{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8488.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.18853015002915,
              21.593006204821243,
              -34.52970784285248
            ],
            [
              -158.188524311577,
              21.594053979518556,
              -34.52970784285248
            ],
            [
              -158.17886472754628,
              21.59400661725876,
              -22.729707842852477
            ],
            [
              -158.1788706357489,
              21.59295884501204,
              -22.729707842852477
            ],
            [
              -158.18853015002915,
              21.593006204821243,
              -34.52970784285248
            ]
          ]
        ]
      },
      "bbox": [
        -158.1885302,
        21.59295885,
        -34.52970784,
        -158.1788647,
        21.59405398,
        -22.72970784
      ],
      "properties": {
        "datetime": "2013-09-10T17:56:29Z",
        "pc:count": 50035,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584523.6299,
            "count": 50035,
            "maximum": 584999.5814,
            "minimum": 583999.6014,
            "name": "X",
            "position": 0,
            "stddev": 280.4830453,
            "variance": 78670.73872
          },
          {
            "average": 2388058.882,
            "count": 50035,
            "maximum": 2388114.449,
            "minimum": 2387998.469,
            "name": "Y",
            "position": 1,
            "stddev": 30.74737974,
            "variance": 945.4013609
          },
          {
            "average": -27.87043373,
            "count": 50035,
            "maximum": -22.72970784,
            "minimum": -34.52970784,
            "name": "Z",
            "position": 2,
            "stddev": 2.551463252,
            "variance": 6.509964729
          },
          {
            "average": 463.8360148,
            "count": 50035,
            "maximum": 1280,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 174.2031928,
            "variance": 30346.7524
          },
          {
            "average": 1.007194964,
            "count": 50035,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0845182749,
            "variance": 0.007143338792
          },
          {
            "average": 1.007354852,
            "count": 50035,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08544532566,
            "variance": 0.007300903678
          },
          {
            "average": 1,
            "count": 50035,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 50035,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 50035,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.4745879485,
            "count": 50035,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.075861684,
            "variance": 9.460925097
          },
          {
            "average": 249.0499051,
            "count": 50035,
            "maximum": 251,
            "minimum": 94,
            "name": "UserData",
            "position": 10,
            "stddev": 1.184573153,
            "variance": 1.403213556
          },
          {
            "average": 10,
            "count": 50035,
            "maximum": 10,
            "minimum": 10,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62870980.67,
            "count": 50035,
            "maximum": 62870989.57,
            "minimum": 62870972.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.071372955,
            "variance": 16.57607774
          },
          {
            "average": 0,
            "count": 50035,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 50035,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 50035,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 50035,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 50035,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583999.6014,
          2387998.469,
          -34.52970784,
          584999.5814,
          2388114.449,
          -22.72970784
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583999.6013838323,
                2387998.4692739584,
                -34.52970784285248
              ],
              [
                583999.6013838323,
                2388114.449273959,
                -34.52970784285248
              ],
              [
                584999.5813838323,
                2388114.449273959,
                -22.729707842852477
              ],
              [
                584999.5813838323,
                2387998.4692739584,
                -22.729707842852477
              ],
              [
                583999.6013838323,
                2387998.4692739584,
                -34.52970784285248
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:56:29+00:00",
        "end_time": "2013-09-10T17:56:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8488.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8488.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8488.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8488.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1885302,
            21.59295885,
            -34.52970784,
            -158.1788647,
            21.59405398,
            -22.72970784
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.18853015002915,
                  21.593006204821243,
                  -34.52970784285248
                ],
                [
                  -158.188524311577,
                  21.594053979518556,
                  -34.52970784285248
                ],
                [
                  -158.17886472754628,
                  21.59400661725876,
                  -22.729707842852477
                ],
                [
                  -158.1788706357489,
                  21.59295884501204,
                  -22.729707842852477
                ],
                [
                  -158.18853015002915,
                  21.593006204821243,
                  -34.52970784285248
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8488.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8488.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:56:29Z",
            "pc:count": 50035,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584523.6299,
                "count": 50035,
                "maximum": 584999.5814,
                "minimum": 583999.6014,
                "name": "X",
                "position": 0,
                "stddev": 280.4830453,
                "variance": 78670.73872
              },
              {
                "average": 2388058.882,
                "count": 50035,
                "maximum": 2388114.449,
                "minimum": 2387998.469,
                "name": "Y",
                "position": 1,
                "stddev": 30.74737974,
                "variance": 945.4013609
              },
              {
                "average": -27.87043373,
                "count": 50035,
                "maximum": -22.72970784,
                "minimum": -34.52970784,
                "name": "Z",
                "position": 2,
                "stddev": 2.551463252,
                "variance": 6.509964729
              },
              {
                "average": 463.8360148,
                "count": 50035,
                "maximum": 1280,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 174.2031928,
                "variance": 30346.7524
              },
              {
                "average": 1.007194964,
                "count": 50035,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0845182749,
                "variance": 0.007143338792
              },
              {
                "average": 1.007354852,
                "count": 50035,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08544532566,
                "variance": 0.007300903678
              },
              {
                "average": 1,
                "count": 50035,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 50035,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 50035,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.4745879485,
                "count": 50035,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.075861684,
                "variance": 9.460925097
              },
              {
                "average": 249.0499051,
                "count": 50035,
                "maximum": 251,
                "minimum": 94,
                "name": "UserData",
                "position": 10,
                "stddev": 1.184573153,
                "variance": 1.403213556
              },
              {
                "average": 10,
                "count": 50035,
                "maximum": 10,
                "minimum": 10,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62870980.67,
                "count": 50035,
                "maximum": 62870989.57,
                "minimum": 62870972.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.071372955,
                "variance": 16.57607774
              },
              {
                "average": 0,
                "count": 50035,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 50035,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 50035,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 50035,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 50035,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583999.6014,
              2387998.469,
              -34.52970784,
              584999.5814,
              2388114.449,
              -22.72970784
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583999.6013838323,
                    2387998.4692739584,
                    -34.52970784285248
                  ],
                  [
                    583999.6013838323,
                    2388114.449273959,
                    -34.52970784285248
                  ],
                  [
                    584999.5813838323,
                    2388114.449273959,
                    -22.729707842852477
                  ],
                  [
                    584999.5813838323,
                    2387998.4692739584,
                    -22.729707842852477
                  ],
                  [
                    583999.6013838323,
                    2387998.4692739584,
                    -34.52970784285248
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:56:29+00:00",
            "end_time": "2013-09-10T17:56:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8072.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.22407377695487,
              21.450981842003408,
              -57.4893754405595
            ],
            [
              -158.22403846220482,
              21.45765838955217,
              -57.4893754405595
            ],
            [
              -158.2182340637973,
              21.457631376075938,
              -10.109375440559493
            ],
            [
              -158.21826964314747,
              21.45095483755363,
              -10.109375440559493
            ],
            [
              -158.22407377695487,
              21.450981842003408,
              -57.4893754405595
            ]
          ]
        ]
      },
      "bbox": [
        -158.2240738,
        21.45095484,
        -57.48937544,
        -158.2182341,
        21.45765839,
        -10.10937544
      ],
      "properties": {
        "datetime": "2013-09-19T00:44:10Z",
        "pc:count": 110079,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580871.5976,
            "count": 110079,
            "maximum": 580999.622,
            "minimum": 580398.182,
            "name": "X",
            "position": 0,
            "stddev": 106.6154418,
            "variance": 11366.85243
          },
          {
            "average": 2372756.324,
            "count": 110079,
            "maximum": 2372998.457,
            "minimum": 2372259.437,
            "name": "Y",
            "position": 1,
            "stddev": 196.2072863,
            "variance": 38497.29921
          },
          {
            "average": -37.81154861,
            "count": 110079,
            "maximum": -10.10937544,
            "minimum": -57.48937544,
            "name": "Z",
            "position": 2,
            "stddev": 10.71669583,
            "variance": 114.8475695
          },
          {
            "average": 1916.118397,
            "count": 110079,
            "maximum": 8973,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1490.905457,
            "variance": 2222799.081
          },
          {
            "average": 1.012282088,
            "count": 110079,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1129923075,
            "variance": 0.01276726155
          },
          {
            "average": 1.017033222,
            "count": 110079,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1385498078,
            "variance": 0.01919604925
          },
          {
            "average": 1,
            "count": 110079,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 110079,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 110079,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.31482284,
            "count": 110079,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.482300913,
            "variance": 71.94942877
          },
          {
            "average": 236.3009021,
            "count": 110079,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 47.16356749,
            "variance": 2224.402099
          },
          {
            "average": 3.49759718,
            "count": 110079,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.227749683,
            "variance": 10.41836802
          },
          {
            "average": 63494869.4,
            "count": 110079,
            "maximum": 63586650.73,
            "minimum": 62723228.71,
            "name": "GpsTime",
            "position": 12,
            "stddev": 260537.2344,
            "variance": 67879650510.0
          },
          {
            "average": 0,
            "count": 110079,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 110079,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 110079,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 110079,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 110079,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          580398.182,
          2372259.437,
          -57.48937544,
          580999.622,
          2372998.457,
          -10.10937544
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                580398.1820042488,
                2372259.436527864,
                -57.4893754405595
              ],
              [
                580398.1820042488,
                2372998.4565278636,
                -57.4893754405595
              ],
              [
                580999.6220042488,
                2372998.4565278636,
                -10.109375440559493
              ],
              [
                580999.6220042488,
                2372259.436527864,
                -10.109375440559493
              ],
              [
                580398.1820042488,
                2372259.436527864,
                -57.4893754405595
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:44:10+00:00",
        "end_time": "2013-09-09T00:53:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8072.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8072.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8072.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8072.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2240738,
            21.45095484,
            -57.48937544,
            -158.2182341,
            21.45765839,
            -10.10937544
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.22407377695487,
                  21.450981842003408,
                  -57.4893754405595
                ],
                [
                  -158.22403846220482,
                  21.45765838955217,
                  -57.4893754405595
                ],
                [
                  -158.2182340637973,
                  21.457631376075938,
                  -10.109375440559493
                ],
                [
                  -158.21826964314747,
                  21.45095483755363,
                  -10.109375440559493
                ],
                [
                  -158.22407377695487,
                  21.450981842003408,
                  -57.4893754405595
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8072.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8072.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:44:10Z",
            "pc:count": 110079,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580871.5976,
                "count": 110079,
                "maximum": 580999.622,
                "minimum": 580398.182,
                "name": "X",
                "position": 0,
                "stddev": 106.6154418,
                "variance": 11366.85243
              },
              {
                "average": 2372756.324,
                "count": 110079,
                "maximum": 2372998.457,
                "minimum": 2372259.437,
                "name": "Y",
                "position": 1,
                "stddev": 196.2072863,
                "variance": 38497.29921
              },
              {
                "average": -37.81154861,
                "count": 110079,
                "maximum": -10.10937544,
                "minimum": -57.48937544,
                "name": "Z",
                "position": 2,
                "stddev": 10.71669583,
                "variance": 114.8475695
              },
              {
                "average": 1916.118397,
                "count": 110079,
                "maximum": 8973,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1490.905457,
                "variance": 2222799.081
              },
              {
                "average": 1.012282088,
                "count": 110079,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1129923075,
                "variance": 0.01276726155
              },
              {
                "average": 1.017033222,
                "count": 110079,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1385498078,
                "variance": 0.01919604925
              },
              {
                "average": 1,
                "count": 110079,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 110079,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 110079,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.31482284,
                "count": 110079,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.482300913,
                "variance": 71.94942877
              },
              {
                "average": 236.3009021,
                "count": 110079,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 47.16356749,
                "variance": 2224.402099
              },
              {
                "average": 3.49759718,
                "count": 110079,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.227749683,
                "variance": 10.41836802
              },
              {
                "average": 63494869.4,
                "count": 110079,
                "maximum": 63586650.73,
                "minimum": 62723228.71,
                "name": "GpsTime",
                "position": 12,
                "stddev": 260537.2344,
                "variance": 67879650510.0
              },
              {
                "average": 0,
                "count": 110079,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 110079,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 110079,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 110079,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 110079,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              580398.182,
              2372259.437,
              -57.48937544,
              580999.622,
              2372998.457,
              -10.10937544
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    580398.1820042488,
                    2372259.436527864,
                    -57.4893754405595
                  ],
                  [
                    580398.1820042488,
                    2372998.4565278636,
                    -57.4893754405595
                  ],
                  [
                    580999.6220042488,
                    2372998.4565278636,
                    -10.109375440559493
                  ],
                  [
                    580999.6220042488,
                    2372259.436527864,
                    -10.109375440559493
                  ],
                  [
                    580398.1820042488,
                    2372259.436527864,
                    -57.4893754405595
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:44:10+00:00",
            "end_time": "2013-09-09T00:53:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7285.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.3015261792398,
              21.57165112571589,
              -32.82056058104939
            ],
            [
              -158.3015079796894,
              21.575449891383194,
              -32.82056058104939
            ],
            [
              -158.29487629259964,
              21.575421949613688,
              -18.04056058104939
            ],
            [
              -158.29489466419287,
              21.57162318964041,
              -18.04056058104939
            ],
            [
              -158.3015261792398,
              21.57165112571589,
              -32.82056058104939
            ]
          ]
        ]
      },
      "bbox": [
        -158.3015262,
        21.57162319,
        -32.82056058,
        -158.2948763,
        21.57544989,
        -18.04056058
      ],
      "properties": {
        "datetime": "2013-09-12T19:08:29Z",
        "pc:count": 184124,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 572807.8669,
            "count": 184124,
            "maximum": 572999.516,
            "minimum": 572312.916,
            "name": "X",
            "position": 0,
            "stddev": 145.3565643,
            "variance": 21128.53077
          },
          {
            "average": 2385850.99,
            "count": 184124,
            "maximum": 2385998.506,
            "minimum": 2385578.026,
            "name": "Y",
            "position": 1,
            "stddev": 96.71930358,
            "variance": 9354.623685
          },
          {
            "average": -24.51572781,
            "count": 184124,
            "maximum": -18.04056058,
            "minimum": -32.82056058,
            "name": "Z",
            "position": 2,
            "stddev": 2.500467326,
            "variance": 6.252336846
          },
          {
            "average": 384.1511156,
            "count": 184124,
            "maximum": 8261,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 303.4038727,
            "variance": 92053.90997
          },
          {
            "average": 1.071180292,
            "count": 184124,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2594185958,
            "variance": 0.06729800785
          },
          {
            "average": 1.126686364,
            "count": 184124,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3386739308,
            "variance": 0.1147000314
          },
          {
            "average": 1,
            "count": 184124,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 184124,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 184124,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.73912337,
            "count": 184124,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.22771991,
            "variance": 104.6062546
          },
          {
            "average": 247.8262475,
            "count": 184124,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 14.56017825,
            "variance": 211.9987905
          },
          {
            "average": 4.057678521,
            "count": 184124,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.364029272,
            "variance": 11.31669294
          },
          {
            "average": 62986867.5,
            "count": 184124,
            "maximum": 63048109.76,
            "minimum": 62867168.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 34866.16685,
            "variance": 1215649591
          },
          {
            "average": 0,
            "count": 184124,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 184124,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 184124,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 184124,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 184124,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          572312.916,
          2385578.026,
          -32.82056058,
          572999.516,
          2385998.506,
          -18.04056058
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                572312.9160005404,
                2385578.025697604,
                -32.82056058104939
              ],
              [
                572312.9160005404,
                2385998.5056976043,
                -32.82056058104939
              ],
              [
                572999.5160005405,
                2385998.5056976043,
                -18.04056058104939
              ],
              [
                572999.5160005405,
                2385578.025697604,
                -18.04056058104939
              ],
              [
                572312.9160005404,
                2385578.025697604,
                -32.82056058104939
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:08:29+00:00",
        "end_time": "2013-09-10T16:52:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7285.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7285.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7285.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7285.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.3015262,
            21.57162319,
            -32.82056058,
            -158.2948763,
            21.57544989,
            -18.04056058
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.3015261792398,
                  21.57165112571589,
                  -32.82056058104939
                ],
                [
                  -158.3015079796894,
                  21.575449891383194,
                  -32.82056058104939
                ],
                [
                  -158.29487629259964,
                  21.575421949613688,
                  -18.04056058104939
                ],
                [
                  -158.29489466419287,
                  21.57162318964041,
                  -18.04056058104939
                ],
                [
                  -158.3015261792398,
                  21.57165112571589,
                  -32.82056058104939
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7285.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7285.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:08:29Z",
            "pc:count": 184124,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 572807.8669,
                "count": 184124,
                "maximum": 572999.516,
                "minimum": 572312.916,
                "name": "X",
                "position": 0,
                "stddev": 145.3565643,
                "variance": 21128.53077
              },
              {
                "average": 2385850.99,
                "count": 184124,
                "maximum": 2385998.506,
                "minimum": 2385578.026,
                "name": "Y",
                "position": 1,
                "stddev": 96.71930358,
                "variance": 9354.623685
              },
              {
                "average": -24.51572781,
                "count": 184124,
                "maximum": -18.04056058,
                "minimum": -32.82056058,
                "name": "Z",
                "position": 2,
                "stddev": 2.500467326,
                "variance": 6.252336846
              },
              {
                "average": 384.1511156,
                "count": 184124,
                "maximum": 8261,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 303.4038727,
                "variance": 92053.90997
              },
              {
                "average": 1.071180292,
                "count": 184124,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2594185958,
                "variance": 0.06729800785
              },
              {
                "average": 1.126686364,
                "count": 184124,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3386739308,
                "variance": 0.1147000314
              },
              {
                "average": 1,
                "count": 184124,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 184124,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 184124,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.73912337,
                "count": 184124,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.22771991,
                "variance": 104.6062546
              },
              {
                "average": 247.8262475,
                "count": 184124,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 14.56017825,
                "variance": 211.9987905
              },
              {
                "average": 4.057678521,
                "count": 184124,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.364029272,
                "variance": 11.31669294
              },
              {
                "average": 62986867.5,
                "count": 184124,
                "maximum": 63048109.76,
                "minimum": 62867168.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 34866.16685,
                "variance": 1215649591
              },
              {
                "average": 0,
                "count": 184124,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 184124,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 184124,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 184124,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 184124,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              572312.916,
              2385578.026,
              -32.82056058,
              572999.516,
              2385998.506,
              -18.04056058
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    572312.9160005404,
                    2385578.025697604,
                    -32.82056058104939
                  ],
                  [
                    572312.9160005404,
                    2385998.5056976043,
                    -32.82056058104939
                  ],
                  [
                    572999.5160005405,
                    2385998.5056976043,
                    -18.04056058104939
                  ],
                  [
                    572999.5160005405,
                    2385578.025697604,
                    -18.04056058104939
                  ],
                  [
                    572312.9160005404,
                    2385578.025697604,
                    -32.82056058104939
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:08:29+00:00",
            "end_time": "2013-09-10T16:52:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7286.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.30443804266213,
              21.575462225275302,
              -48.09473569893774
            ],
            [
              -158.30439492251423,
              21.58449639958062,
              -48.09473569893774
            ],
            [
              -158.29483256622322,
              21.584456177697344,
              -21.034735698937737
            ],
            [
              -158.29487627840393,
              21.57542202216546,
              -21.034735698937737
            ],
            [
              -158.30443804266213,
              21.575462225275302,
              -48.09473569893774
            ]
          ]
        ]
      },
      "bbox": [
        -158.304438,
        21.57542202,
        -48.0947357,
        -158.2948326,
        21.5844964,
        -21.0347357
      ],
      "properties": {
        "datetime": "2013-11-04T20:19:38Z",
        "pc:count": 733095,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 572694.7659,
            "count": 733095,
            "maximum": 572999.5174,
            "minimum": 572009.5574,
            "name": "X",
            "position": 0,
            "stddev": 206.7060928,
            "variance": 42727.4088
          },
          {
            "average": 2386378.665,
            "count": 733095,
            "maximum": 2386998.494,
            "minimum": 2385998.514,
            "name": "Y",
            "position": 1,
            "stddev": 254.2240189,
            "variance": 64629.85181
          },
          {
            "average": -36.06537256,
            "count": 733095,
            "maximum": -21.0347357,
            "minimum": -48.0947357,
            "name": "Z",
            "position": 2,
            "stddev": 5.242294268,
            "variance": 27.48164919
          },
          {
            "average": 1590.18891,
            "count": 733095,
            "maximum": 8990,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1038.719435,
            "variance": 1078938.065
          },
          {
            "average": 1.029545966,
            "count": 733095,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1700305598,
            "variance": 0.02891039127
          },
          {
            "average": 1.038443858,
            "count": 733095,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1936721006,
            "variance": 0.03750888256
          },
          {
            "average": 1,
            "count": 733095,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 733095,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 733095,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.78720106,
            "count": 733095,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.49415703,
            "variance": 90.13901771
          },
          {
            "average": 249.1164174,
            "count": 733095,
            "maximum": 252,
            "minimum": 63,
            "name": "UserData",
            "position": 10,
            "stddev": 1.898927105,
            "variance": 3.60592415
          },
          {
            "average": 3.95142103,
            "count": 733095,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.320118711,
            "variance": 5.382950832
          },
          {
            "average": 63134348.32,
            "count": 733095,
            "maximum": 67631578.37,
            "minimum": 62867154.63,
            "name": "GpsTime",
            "position": 12,
            "stddev": 984103.3649,
            "variance": 968459432900.0
          },
          {
            "average": 0,
            "count": 733095,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 733095,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 733095,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 733095,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 733095,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          572009.5574,
          2385998.514,
          -48.0947357,
          572999.5174,
          2386998.494,
          -21.0347357
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                572009.557433906,
                2385998.513734758,
                -48.09473569893774
              ],
              [
                572009.557433906,
                2386998.4937347583,
                -48.09473569893774
              ],
              [
                572999.517433906,
                2386998.4937347583,
                -21.034735698937737
              ],
              [
                572999.517433906,
                2385998.513734758,
                -21.034735698937737
              ],
              [
                572009.557433906,
                2385998.513734758,
                -48.09473569893774
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:19:38+00:00",
        "end_time": "2013-09-10T16:52:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7286.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7286.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7286.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7286.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.304438,
            21.57542202,
            -48.0947357,
            -158.2948326,
            21.5844964,
            -21.0347357
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.30443804266213,
                  21.575462225275302,
                  -48.09473569893774
                ],
                [
                  -158.30439492251423,
                  21.58449639958062,
                  -48.09473569893774
                ],
                [
                  -158.29483256622322,
                  21.584456177697344,
                  -21.034735698937737
                ],
                [
                  -158.29487627840393,
                  21.57542202216546,
                  -21.034735698937737
                ],
                [
                  -158.30443804266213,
                  21.575462225275302,
                  -48.09473569893774
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7286.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7286.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:19:38Z",
            "pc:count": 733095,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 572694.7659,
                "count": 733095,
                "maximum": 572999.5174,
                "minimum": 572009.5574,
                "name": "X",
                "position": 0,
                "stddev": 206.7060928,
                "variance": 42727.4088
              },
              {
                "average": 2386378.665,
                "count": 733095,
                "maximum": 2386998.494,
                "minimum": 2385998.514,
                "name": "Y",
                "position": 1,
                "stddev": 254.2240189,
                "variance": 64629.85181
              },
              {
                "average": -36.06537256,
                "count": 733095,
                "maximum": -21.0347357,
                "minimum": -48.0947357,
                "name": "Z",
                "position": 2,
                "stddev": 5.242294268,
                "variance": 27.48164919
              },
              {
                "average": 1590.18891,
                "count": 733095,
                "maximum": 8990,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1038.719435,
                "variance": 1078938.065
              },
              {
                "average": 1.029545966,
                "count": 733095,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1700305598,
                "variance": 0.02891039127
              },
              {
                "average": 1.038443858,
                "count": 733095,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1936721006,
                "variance": 0.03750888256
              },
              {
                "average": 1,
                "count": 733095,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 733095,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 733095,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.78720106,
                "count": 733095,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.49415703,
                "variance": 90.13901771
              },
              {
                "average": 249.1164174,
                "count": 733095,
                "maximum": 252,
                "minimum": 63,
                "name": "UserData",
                "position": 10,
                "stddev": 1.898927105,
                "variance": 3.60592415
              },
              {
                "average": 3.95142103,
                "count": 733095,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.320118711,
                "variance": 5.382950832
              },
              {
                "average": 63134348.32,
                "count": 733095,
                "maximum": 67631578.37,
                "minimum": 62867154.63,
                "name": "GpsTime",
                "position": 12,
                "stddev": 984103.3649,
                "variance": 968459432900.0
              },
              {
                "average": 0,
                "count": 733095,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 733095,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 733095,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 733095,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 733095,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              572009.5574,
              2385998.514,
              -48.0947357,
              572999.5174,
              2386998.494,
              -21.0347357
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    572009.557433906,
                    2385998.513734758,
                    -48.09473569893774
                  ],
                  [
                    572009.557433906,
                    2386998.4937347583,
                    -48.09473569893774
                  ],
                  [
                    572999.517433906,
                    2386998.4937347583,
                    -21.034735698937737
                  ],
                  [
                    572999.517433906,
                    2385998.513734758,
                    -21.034735698937737
                  ],
                  [
                    572009.557433906,
                    2385998.513734758,
                    -48.09473569893774
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:19:38+00:00",
            "end_time": "2013-09-10T16:52:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7287.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.29977173542326,
              21.584477355108802,
              -49.99114621965635
            ],
            [
              -158.29976539852248,
              21.585795826754108,
              -49.99114621965635
            ],
            [
              -158.2948263450231,
              21.585774981895618,
              -44.251146219656356
            ],
            [
              -158.2948327265718,
              21.584456511667522,
              -44.251146219656356
            ],
            [
              -158.29977173542326,
              21.584477355108802,
              -49.99114621965635
            ]
          ]
        ]
      },
      "bbox": [
        -158.2997717,
        21.58445651,
        -49.99114622,
        -158.2948263,
        21.58579583,
        -44.25114622
      ],
      "properties": {
        "datetime": "2013-09-10T17:29:34Z",
        "pc:count": 17186,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 572812.0464,
            "count": 17186,
            "maximum": 572999.5007,
            "minimum": 572488.1807,
            "name": "X",
            "position": 0,
            "stddev": 125.2430973,
            "variance": 15685.83342
          },
          {
            "average": 2387072.902,
            "count": 17186,
            "maximum": 2387144.471,
            "minimum": 2386998.531,
            "name": "Y",
            "position": 1,
            "stddev": 38.9760739,
            "variance": 1519.134336
          },
          {
            "average": -47.04139293,
            "count": 17186,
            "maximum": -44.25114622,
            "minimum": -49.99114622,
            "name": "Z",
            "position": 2,
            "stddev": 0.8634806975,
            "variance": 0.745598915
          },
          {
            "average": 3358.672931,
            "count": 17186,
            "maximum": 5987,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1296.843973,
            "variance": 1681804.291
          },
          {
            "average": 1.000116374,
            "count": 17186,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01078735467,
            "variance": 0.0001163670208
          },
          {
            "average": 1.000116374,
            "count": 17186,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01078735467,
            "variance": 0.0001163670208
          },
          {
            "average": 1,
            "count": 17186,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17186,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 17186,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.494730092,
            "count": 17186,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.084387357,
            "variance": 82.52609365
          },
          {
            "average": 249.0179216,
            "count": 17186,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1326702897,
            "variance": 0.01760140578
          },
          {
            "average": 7,
            "count": 17186,
            "maximum": 7,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62869369.95,
            "count": 17186,
            "maximum": 62869374.86,
            "minimum": 62869366,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2.196055501,
            "variance": 4.822659763
          },
          {
            "average": 0,
            "count": 17186,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17186,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17186,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17186,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17186,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          572488.1807,
          2386998.531,
          -49.99114622,
          572999.5007,
          2387144.471,
          -44.25114622
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                572488.1806665183,
                2386998.5306256195,
                -49.99114621965635
              ],
              [
                572488.1806665183,
                2387144.47062562,
                -49.99114621965635
              ],
              [
                572999.5006665183,
                2387144.47062562,
                -44.251146219656356
              ],
              [
                572999.5006665183,
                2386998.5306256195,
                -44.251146219656356
              ],
              [
                572488.1806665183,
                2386998.5306256195,
                -49.99114621965635
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:29:34+00:00",
        "end_time": "2013-09-10T17:29:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7287.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7287.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7287.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7287.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2997717,
            21.58445651,
            -49.99114622,
            -158.2948263,
            21.58579583,
            -44.25114622
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.29977173542326,
                  21.584477355108802,
                  -49.99114621965635
                ],
                [
                  -158.29976539852248,
                  21.585795826754108,
                  -49.99114621965635
                ],
                [
                  -158.2948263450231,
                  21.585774981895618,
                  -44.251146219656356
                ],
                [
                  -158.2948327265718,
                  21.584456511667522,
                  -44.251146219656356
                ],
                [
                  -158.29977173542326,
                  21.584477355108802,
                  -49.99114621965635
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7287.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7287.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:29:34Z",
            "pc:count": 17186,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 572812.0464,
                "count": 17186,
                "maximum": 572999.5007,
                "minimum": 572488.1807,
                "name": "X",
                "position": 0,
                "stddev": 125.2430973,
                "variance": 15685.83342
              },
              {
                "average": 2387072.902,
                "count": 17186,
                "maximum": 2387144.471,
                "minimum": 2386998.531,
                "name": "Y",
                "position": 1,
                "stddev": 38.9760739,
                "variance": 1519.134336
              },
              {
                "average": -47.04139293,
                "count": 17186,
                "maximum": -44.25114622,
                "minimum": -49.99114622,
                "name": "Z",
                "position": 2,
                "stddev": 0.8634806975,
                "variance": 0.745598915
              },
              {
                "average": 3358.672931,
                "count": 17186,
                "maximum": 5987,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1296.843973,
                "variance": 1681804.291
              },
              {
                "average": 1.000116374,
                "count": 17186,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01078735467,
                "variance": 0.0001163670208
              },
              {
                "average": 1.000116374,
                "count": 17186,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01078735467,
                "variance": 0.0001163670208
              },
              {
                "average": 1,
                "count": 17186,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17186,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 17186,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.494730092,
                "count": 17186,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.084387357,
                "variance": 82.52609365
              },
              {
                "average": 249.0179216,
                "count": 17186,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1326702897,
                "variance": 0.01760140578
              },
              {
                "average": 7,
                "count": 17186,
                "maximum": 7,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62869369.95,
                "count": 17186,
                "maximum": 62869374.86,
                "minimum": 62869366,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2.196055501,
                "variance": 4.822659763
              },
              {
                "average": 0,
                "count": 17186,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17186,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17186,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17186,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17186,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              572488.1807,
              2386998.531,
              -49.99114622,
              572999.5007,
              2387144.471,
              -44.25114622
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    572488.1806665183,
                    2386998.5306256195,
                    -49.99114621965635
                  ],
                  [
                    572488.1806665183,
                    2387144.47062562,
                    -49.99114621965635
                  ],
                  [
                    572999.5006665183,
                    2387144.47062562,
                    -44.251146219656356
                  ],
                  [
                    572999.5006665183,
                    2386998.5306256195,
                    -44.251146219656356
                  ],
                  [
                    572488.1806665183,
                    2386998.5306256195,
                    -49.99114621965635
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:29:34+00:00",
            "end_time": "2013-09-10T17:29:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7384.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.28840690006066,
              21.563910576197916,
              -39.89356157670648
            ],
            [
              -158.28839495090142,
              21.566359785512436,
              -39.89356157670648
            ],
            [
              -158.28526166653276,
              21.566346374627123,
              -34.29356157670649
            ],
            [
              -158.28527366821268,
              21.563897167014414,
              -34.29356157670649
            ],
            [
              -158.28840690006066,
              21.563910576197916,
              -39.89356157670648
            ]
          ]
        ]
      },
      "bbox": [
        -158.2884069,
        21.56389717,
        -39.89356158,
        -158.2852617,
        21.56635979,
        -34.29356158
      ],
      "properties": {
        "datetime": "2013-09-12T19:08:10Z",
        "pc:count": 46433,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 573877.7556,
            "count": 46433,
            "maximum": 573999.5362,
            "minimum": 573675.1162,
            "name": "X",
            "position": 0,
            "stddev": 81.58008669,
            "variance": 6655.310545
          },
          {
            "average": 2384895.022,
            "count": 46433,
            "maximum": 2384998.497,
            "minimum": 2384727.397,
            "name": "Y",
            "position": 1,
            "stddev": 68.85298692,
            "variance": 4740.733808
          },
          {
            "average": -37.05893168,
            "count": 46433,
            "maximum": -34.29356158,
            "minimum": -39.89356158,
            "name": "Z",
            "position": 2,
            "stddev": 1.111842588,
            "variance": 1.236193941
          },
          {
            "average": 1811.37833,
            "count": 46433,
            "maximum": 8957,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 578.2424908,
            "variance": 334364.3782
          },
          {
            "average": 1.002498223,
            "count": 46433,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04992029444,
            "variance": 0.002492035797
          },
          {
            "average": 1.004479573,
            "count": 46433,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.06678025299,
            "variance": 0.00445960219
          },
          {
            "average": 1,
            "count": 46433,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 46433,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 46433,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.762870002,
            "count": 46433,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.28602247,
            "variance": 86.23021331
          },
          {
            "average": 249.0483277,
            "count": 46433,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.2204031457,
            "variance": 0.04857754664
          },
          {
            "average": 5.683414813,
            "count": 46433,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.987494984,
            "variance": 15.90011625
          },
          {
            "average": 63005591.03,
            "count": 46433,
            "maximum": 63048090.38,
            "minimum": 62969324.01,
            "name": "GpsTime",
            "position": 12,
            "stddev": 39255.72479,
            "variance": 1541011929
          },
          {
            "average": 0,
            "count": 46433,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 46433,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 46433,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 46433,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 46433,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          573675.1162,
          2384727.397,
          -39.89356158,
          573999.5362,
          2384998.497,
          -34.29356158
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                573675.1161714403,
                2384727.3968369886,
                -39.89356157670648
              ],
              [
                573675.1161714403,
                2384998.4968369883,
                -39.89356157670648
              ],
              [
                573999.5361714403,
                2384998.4968369883,
                -34.29356157670649
              ],
              [
                573999.5361714403,
                2384727.3968369886,
                -34.29356157670649
              ],
              [
                573675.1161714403,
                2384727.3968369886,
                -39.89356157670648
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:08:10+00:00",
        "end_time": "2013-09-11T21:15:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7384.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7384.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7384.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7384.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2884069,
            21.56389717,
            -39.89356158,
            -158.2852617,
            21.56635979,
            -34.29356158
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.28840690006066,
                  21.563910576197916,
                  -39.89356157670648
                ],
                [
                  -158.28839495090142,
                  21.566359785512436,
                  -39.89356157670648
                ],
                [
                  -158.28526166653276,
                  21.566346374627123,
                  -34.29356157670649
                ],
                [
                  -158.28527366821268,
                  21.563897167014414,
                  -34.29356157670649
                ],
                [
                  -158.28840690006066,
                  21.563910576197916,
                  -39.89356157670648
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7384.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7384.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:08:10Z",
            "pc:count": 46433,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 573877.7556,
                "count": 46433,
                "maximum": 573999.5362,
                "minimum": 573675.1162,
                "name": "X",
                "position": 0,
                "stddev": 81.58008669,
                "variance": 6655.310545
              },
              {
                "average": 2384895.022,
                "count": 46433,
                "maximum": 2384998.497,
                "minimum": 2384727.397,
                "name": "Y",
                "position": 1,
                "stddev": 68.85298692,
                "variance": 4740.733808
              },
              {
                "average": -37.05893168,
                "count": 46433,
                "maximum": -34.29356158,
                "minimum": -39.89356158,
                "name": "Z",
                "position": 2,
                "stddev": 1.111842588,
                "variance": 1.236193941
              },
              {
                "average": 1811.37833,
                "count": 46433,
                "maximum": 8957,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 578.2424908,
                "variance": 334364.3782
              },
              {
                "average": 1.002498223,
                "count": 46433,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04992029444,
                "variance": 0.002492035797
              },
              {
                "average": 1.004479573,
                "count": 46433,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.06678025299,
                "variance": 0.00445960219
              },
              {
                "average": 1,
                "count": 46433,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 46433,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 46433,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.762870002,
                "count": 46433,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.28602247,
                "variance": 86.23021331
              },
              {
                "average": 249.0483277,
                "count": 46433,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.2204031457,
                "variance": 0.04857754664
              },
              {
                "average": 5.683414813,
                "count": 46433,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.987494984,
                "variance": 15.90011625
              },
              {
                "average": 63005591.03,
                "count": 46433,
                "maximum": 63048090.38,
                "minimum": 62969324.01,
                "name": "GpsTime",
                "position": 12,
                "stddev": 39255.72479,
                "variance": 1541011929
              },
              {
                "average": 0,
                "count": 46433,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 46433,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 46433,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 46433,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 46433,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              573675.1162,
              2384727.397,
              -39.89356158,
              573999.5362,
              2384998.497,
              -34.29356158
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    573675.1161714403,
                    2384727.3968369886,
                    -39.89356157670648
                  ],
                  [
                    573675.1161714403,
                    2384998.4968369883,
                    -39.89356157670648
                  ],
                  [
                    573999.5361714403,
                    2384998.4968369883,
                    -34.29356157670649
                  ],
                  [
                    573999.5361714403,
                    2384727.3968369886,
                    -34.29356157670649
                  ],
                  [
                    573675.1161714403,
                    2384727.3968369886,
                    -39.89356157670648
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:08:10+00:00",
            "end_time": "2013-09-11T21:15:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8565.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1800287539862,
              21.386208257512656,
              -53.14570418550621
            ],
            [
              -158.17998417399593,
              21.394206689653686,
              -53.14570418550621
            ],
            [
              -158.17033768614817,
              21.394159204966062,
              -9.08570418550621
            ],
            [
              -158.17038278936744,
              21.386160791217574,
              -9.08570418550621
            ],
            [
              -158.1800287539862,
              21.386208257512656,
              -53.14570418550621
            ]
          ]
        ]
      },
      "bbox": [
        -158.1800288,
        21.38616079,
        -53.14570419,
        -158.1703377,
        21.39420669,
        -9.085704186
      ],
      "properties": {
        "datetime": "2013-09-19T00:46:13Z",
        "pc:count": 1753132,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 585551.8064,
            "count": 1753132,
            "maximum": 585999.6448,
            "minimum": 584999.6448,
            "name": "X",
            "position": 0,
            "stddev": 300.8186819,
            "variance": 90491.87937
          },
          {
            "average": 2365737.33,
            "count": 1753132,
            "maximum": 2365998.466,
            "minimum": 2365113.126,
            "name": "Y",
            "position": 1,
            "stddev": 206.4128813,
            "variance": 42606.27758
          },
          {
            "average": -15.74640833,
            "count": 1753132,
            "maximum": -9.085704186,
            "minimum": -53.14570419,
            "name": "Z",
            "position": 2,
            "stddev": 7.321800535,
            "variance": 53.60876308
          },
          {
            "average": 267.4341675,
            "count": 1753132,
            "maximum": 8863,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 589.5890715,
            "variance": 347615.2733
          },
          {
            "average": 1.00181903,
            "count": 1753132,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.043314958,
            "variance": 0.001876185586
          },
          {
            "average": 1.002736246,
            "count": 1753132,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05363829194,
            "variance": 0.002877066362
          },
          {
            "average": 1,
            "count": 1753132,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1753132,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1753132,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.70776853,
            "count": 1753132,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.154976031,
            "variance": 66.50363406
          },
          {
            "average": 137.9889911,
            "count": 1753132,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 91.08027451,
            "variance": 8295.616405
          },
          {
            "average": 6.32920111,
            "count": 1753132,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.096523911,
            "variance": 16.78150816
          },
          {
            "average": 63252821.55,
            "count": 1753132,
            "maximum": 63586773.02,
            "minimum": 62721901.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 394655.0707,
            "variance": 155752624800.0
          },
          {
            "average": 0,
            "count": 1753132,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1753132,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1753132,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1753132,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1753132,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          584999.6448,
          2365113.126,
          -53.14570419,
          585999.6448,
          2365998.466,
          -9.085704186
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                584999.6448063438,
                2365113.126216554,
                -53.14570418550621
              ],
              [
                584999.6448063438,
                2365998.466216554,
                -53.14570418550621
              ],
              [
                585999.6448063438,
                2365998.466216554,
                -9.08570418550621
              ],
              [
                585999.6448063438,
                2365113.126216554,
                -9.08570418550621
              ],
              [
                584999.6448063438,
                2365113.126216554,
                -53.14570418550621
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:46:13+00:00",
        "end_time": "2013-09-09T00:31:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8565.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8565.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8565.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8565.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1800288,
            21.38616079,
            -53.14570419,
            -158.1703377,
            21.39420669,
            -9.085704186
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1800287539862,
                  21.386208257512656,
                  -53.14570418550621
                ],
                [
                  -158.17998417399593,
                  21.394206689653686,
                  -53.14570418550621
                ],
                [
                  -158.17033768614817,
                  21.394159204966062,
                  -9.08570418550621
                ],
                [
                  -158.17038278936744,
                  21.386160791217574,
                  -9.08570418550621
                ],
                [
                  -158.1800287539862,
                  21.386208257512656,
                  -53.14570418550621
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8565.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8565.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:46:13Z",
            "pc:count": 1753132,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 585551.8064,
                "count": 1753132,
                "maximum": 585999.6448,
                "minimum": 584999.6448,
                "name": "X",
                "position": 0,
                "stddev": 300.8186819,
                "variance": 90491.87937
              },
              {
                "average": 2365737.33,
                "count": 1753132,
                "maximum": 2365998.466,
                "minimum": 2365113.126,
                "name": "Y",
                "position": 1,
                "stddev": 206.4128813,
                "variance": 42606.27758
              },
              {
                "average": -15.74640833,
                "count": 1753132,
                "maximum": -9.085704186,
                "minimum": -53.14570419,
                "name": "Z",
                "position": 2,
                "stddev": 7.321800535,
                "variance": 53.60876308
              },
              {
                "average": 267.4341675,
                "count": 1753132,
                "maximum": 8863,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 589.5890715,
                "variance": 347615.2733
              },
              {
                "average": 1.00181903,
                "count": 1753132,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.043314958,
                "variance": 0.001876185586
              },
              {
                "average": 1.002736246,
                "count": 1753132,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05363829194,
                "variance": 0.002877066362
              },
              {
                "average": 1,
                "count": 1753132,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1753132,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1753132,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.70776853,
                "count": 1753132,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.154976031,
                "variance": 66.50363406
              },
              {
                "average": 137.9889911,
                "count": 1753132,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 91.08027451,
                "variance": 8295.616405
              },
              {
                "average": 6.32920111,
                "count": 1753132,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.096523911,
                "variance": 16.78150816
              },
              {
                "average": 63252821.55,
                "count": 1753132,
                "maximum": 63586773.02,
                "minimum": 62721901.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 394655.0707,
                "variance": 155752624800.0
              },
              {
                "average": 0,
                "count": 1753132,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1753132,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1753132,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1753132,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1753132,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              584999.6448,
              2365113.126,
              -53.14570419,
              585999.6448,
              2365998.466,
              -9.085704186
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    584999.6448063438,
                    2365113.126216554,
                    -53.14570418550621
                  ],
                  [
                    584999.6448063438,
                    2365998.466216554,
                    -53.14570418550621
                  ],
                  [
                    585999.6448063438,
                    2365998.466216554,
                    -9.08570418550621
                  ],
                  [
                    585999.6448063438,
                    2365113.126216554,
                    -9.08570418550621
                  ],
                  [
                    584999.6448063438,
                    2365113.126216554,
                    -53.14570418550621
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:46:13+00:00",
            "end_time": "2013-09-09T00:31:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8073.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2278849317579,
              21.45767623214522,
              -54.48009995947908
            ],
            [
              -158.2278373673192,
              21.466710375396442,
              -54.48009995947908
            ],
            [
              -158.2181858637585,
              21.466665582493548,
              -2.060099959479079
            ],
            [
              -158.21823402010514,
              21.457631461590196,
              -2.060099959479079
            ],
            [
              -158.2278849317579,
              21.45767623214522,
              -54.48009995947908
            ]
          ]
        ]
      },
      "bbox": [
        -158.2278849,
        21.45763146,
        -54.48009996,
        -158.2181859,
        21.46671038,
        -2.060099959
      ],
      "properties": {
        "datetime": "2013-09-19T00:43:57Z",
        "pc:count": 2181394,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580737.9178,
            "count": 2181394,
            "maximum": 580999.6265,
            "minimum": 579999.6265,
            "name": "X",
            "position": 0,
            "stddev": 228.6715356,
            "variance": 52290.67119
          },
          {
            "average": 2373657.808,
            "count": 2181394,
            "maximum": 2373998.446,
            "minimum": 2372998.466,
            "name": "Y",
            "position": 1,
            "stddev": 241.4932911,
            "variance": 58319.00964
          },
          {
            "average": -13.32585332,
            "count": 2181394,
            "maximum": -2.060099959,
            "minimum": -54.48009996,
            "name": "Z",
            "position": 2,
            "stddev": 9.147820166,
            "variance": 83.68261379
          },
          {
            "average": 284.1586004,
            "count": 2181394,
            "maximum": 8982,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 638.5292536,
            "variance": 407719.6077
          },
          {
            "average": 1.006143778,
            "count": 2181394,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07885359669,
            "variance": 0.006217889711
          },
          {
            "average": 1.010969591,
            "count": 2181394,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1058839835,
            "variance": 0.01121141796
          },
          {
            "average": 1,
            "count": 2181394,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2181394,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2181394,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.10995365,
            "count": 2181394,
            "maximum": 34.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.885361871,
            "variance": 47.4082081
          },
          {
            "average": 132.4935193,
            "count": 2181394,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 91.49842847,
            "variance": 8371.962412
          },
          {
            "average": 6.984341664,
            "count": 2181394,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.975722304,
            "variance": 15.80636784
          },
          {
            "average": 63189131.39,
            "count": 2181394,
            "maximum": 63586637.39,
            "minimum": 62721234,
            "name": "GpsTime",
            "position": 12,
            "stddev": 423111.2969,
            "variance": 179023169600.0
          },
          {
            "average": 0,
            "count": 2181394,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2181394,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2181394,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2181394,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2181394,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.6265,
          2372998.466,
          -54.48009996,
          580999.6265,
          2373998.446,
          -2.060099959
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.6264842119,
                2372998.4660157207,
                -54.48009995947908
              ],
              [
                579999.6264842119,
                2373998.446015721,
                -54.48009995947908
              ],
              [
                580999.6264842119,
                2373998.446015721,
                -2.060099959479079
              ],
              [
                580999.6264842119,
                2372998.4660157207,
                -2.060099959479079
              ],
              [
                579999.6264842119,
                2372998.4660157207,
                -54.48009995947908
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:43:57+00:00",
        "end_time": "2013-09-09T00:20:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8073.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8073.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8073.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8073.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2278849,
            21.45763146,
            -54.48009996,
            -158.2181859,
            21.46671038,
            -2.060099959
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2278849317579,
                  21.45767623214522,
                  -54.48009995947908
                ],
                [
                  -158.2278373673192,
                  21.466710375396442,
                  -54.48009995947908
                ],
                [
                  -158.2181858637585,
                  21.466665582493548,
                  -2.060099959479079
                ],
                [
                  -158.21823402010514,
                  21.457631461590196,
                  -2.060099959479079
                ],
                [
                  -158.2278849317579,
                  21.45767623214522,
                  -54.48009995947908
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8073.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8073.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:43:57Z",
            "pc:count": 2181394,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580737.9178,
                "count": 2181394,
                "maximum": 580999.6265,
                "minimum": 579999.6265,
                "name": "X",
                "position": 0,
                "stddev": 228.6715356,
                "variance": 52290.67119
              },
              {
                "average": 2373657.808,
                "count": 2181394,
                "maximum": 2373998.446,
                "minimum": 2372998.466,
                "name": "Y",
                "position": 1,
                "stddev": 241.4932911,
                "variance": 58319.00964
              },
              {
                "average": -13.32585332,
                "count": 2181394,
                "maximum": -2.060099959,
                "minimum": -54.48009996,
                "name": "Z",
                "position": 2,
                "stddev": 9.147820166,
                "variance": 83.68261379
              },
              {
                "average": 284.1586004,
                "count": 2181394,
                "maximum": 8982,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 638.5292536,
                "variance": 407719.6077
              },
              {
                "average": 1.006143778,
                "count": 2181394,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07885359669,
                "variance": 0.006217889711
              },
              {
                "average": 1.010969591,
                "count": 2181394,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1058839835,
                "variance": 0.01121141796
              },
              {
                "average": 1,
                "count": 2181394,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2181394,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2181394,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.10995365,
                "count": 2181394,
                "maximum": 34.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.885361871,
                "variance": 47.4082081
              },
              {
                "average": 132.4935193,
                "count": 2181394,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 91.49842847,
                "variance": 8371.962412
              },
              {
                "average": 6.984341664,
                "count": 2181394,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.975722304,
                "variance": 15.80636784
              },
              {
                "average": 63189131.39,
                "count": 2181394,
                "maximum": 63586637.39,
                "minimum": 62721234,
                "name": "GpsTime",
                "position": 12,
                "stddev": 423111.2969,
                "variance": 179023169600.0
              },
              {
                "average": 0,
                "count": 2181394,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2181394,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2181394,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2181394,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2181394,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.6265,
              2372998.466,
              -54.48009996,
              580999.6265,
              2373998.446,
              -2.060099959
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.6264842119,
                    2372998.4660157207,
                    -54.48009995947908
                  ],
                  [
                    579999.6264842119,
                    2373998.446015721,
                    -54.48009995947908
                  ],
                  [
                    580999.6264842119,
                    2373998.446015721,
                    -2.060099959479079
                  ],
                  [
                    580999.6264842119,
                    2372998.4660157207,
                    -2.060099959479079
                  ],
                  [
                    579999.6264842119,
                    2372998.4660157207,
                    -54.48009995947908
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:43:57+00:00",
            "end_time": "2013-09-09T00:20:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7385.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.29491994132096,
              21.56638758515095,
              -37.985700153046864
            ],
            [
              -158.2948762543115,
              21.575421930415036,
              -37.985700153046864
            ],
            [
              -158.2852173463472,
              21.575380761124666,
              -5.025700153046863
            ],
            [
              -158.28526162950658,
              21.566346435483172,
              -5.025700153046863
            ],
            [
              -158.29491994132096,
              21.56638758515095,
              -37.985700153046864
            ]
          ]
        ]
      },
      "bbox": [
        -158.2949199,
        21.56634644,
        -37.98570015,
        -158.2852173,
        21.57542193,
        -5.025700153
      ],
      "properties": {
        "datetime": "2013-09-12T19:08:26Z",
        "pc:count": 1533650,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 573640.7686,
            "count": 1533650,
            "maximum": 573999.54,
            "minimum": 572999.52,
            "name": "X",
            "position": 0,
            "stddev": 271.8115115,
            "variance": 73881.49776
          },
          {
            "average": 2385717.183,
            "count": 1533650,
            "maximum": 2385998.504,
            "minimum": 2384998.504,
            "name": "Y",
            "position": 1,
            "stddev": 247.226235,
            "variance": 61120.81127
          },
          {
            "average": -17.96652022,
            "count": 1533650,
            "maximum": -5.025700153,
            "minimum": -37.98570015,
            "name": "Z",
            "position": 2,
            "stddev": 7.299387616,
            "variance": 53.28105957
          },
          {
            "average": 227.4463261,
            "count": 1533650,
            "maximum": 8995,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 388.8884688,
            "variance": 151234.2412
          },
          {
            "average": 1.041956118,
            "count": 1533650,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2025564979,
            "variance": 0.04102913486
          },
          {
            "average": 1.082912659,
            "count": 1533650,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2807974123,
            "variance": 0.07884718678
          },
          {
            "average": 1,
            "count": 1533650,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1533650,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1533650,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.78095717,
            "count": 1533650,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.846519481,
            "variance": 78.26090692
          },
          {
            "average": 167.5066932,
            "count": 1533650,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 90.24882003,
            "variance": 8144.849516
          },
          {
            "average": 4.287549963,
            "count": 1533650,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.423671966,
            "variance": 5.874185801
          },
          {
            "average": 62979715.39,
            "count": 1533650,
            "maximum": 63048106.94,
            "minimum": 62867168.87,
            "name": "GpsTime",
            "position": 12,
            "stddev": 28031.99296,
            "variance": 785792629.3
          },
          {
            "average": 0,
            "count": 1533650,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1533650,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1533650,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1533650,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1533650,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          572999.52,
          2384998.504,
          -37.98570015,
          573999.54,
          2385998.504,
          -5.025700153
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                572999.5199741726,
                2384998.503590514,
                -37.985700153046864
              ],
              [
                572999.5199741726,
                2385998.503590514,
                -37.985700153046864
              ],
              [
                573999.5399741726,
                2385998.503590514,
                -5.025700153046863
              ],
              [
                573999.5399741726,
                2384998.503590514,
                -5.025700153046863
              ],
              [
                572999.5199741726,
                2384998.503590514,
                -37.985700153046864
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:08:26+00:00",
        "end_time": "2013-09-10T16:52:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7385.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7385.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7385.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7385.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2949199,
            21.56634644,
            -37.98570015,
            -158.2852173,
            21.57542193,
            -5.025700153
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.29491994132096,
                  21.56638758515095,
                  -37.985700153046864
                ],
                [
                  -158.2948762543115,
                  21.575421930415036,
                  -37.985700153046864
                ],
                [
                  -158.2852173463472,
                  21.575380761124666,
                  -5.025700153046863
                ],
                [
                  -158.28526162950658,
                  21.566346435483172,
                  -5.025700153046863
                ],
                [
                  -158.29491994132096,
                  21.56638758515095,
                  -37.985700153046864
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7385.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7385.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:08:26Z",
            "pc:count": 1533650,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 573640.7686,
                "count": 1533650,
                "maximum": 573999.54,
                "minimum": 572999.52,
                "name": "X",
                "position": 0,
                "stddev": 271.8115115,
                "variance": 73881.49776
              },
              {
                "average": 2385717.183,
                "count": 1533650,
                "maximum": 2385998.504,
                "minimum": 2384998.504,
                "name": "Y",
                "position": 1,
                "stddev": 247.226235,
                "variance": 61120.81127
              },
              {
                "average": -17.96652022,
                "count": 1533650,
                "maximum": -5.025700153,
                "minimum": -37.98570015,
                "name": "Z",
                "position": 2,
                "stddev": 7.299387616,
                "variance": 53.28105957
              },
              {
                "average": 227.4463261,
                "count": 1533650,
                "maximum": 8995,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 388.8884688,
                "variance": 151234.2412
              },
              {
                "average": 1.041956118,
                "count": 1533650,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2025564979,
                "variance": 0.04102913486
              },
              {
                "average": 1.082912659,
                "count": 1533650,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2807974123,
                "variance": 0.07884718678
              },
              {
                "average": 1,
                "count": 1533650,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1533650,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1533650,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.78095717,
                "count": 1533650,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.846519481,
                "variance": 78.26090692
              },
              {
                "average": 167.5066932,
                "count": 1533650,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 90.24882003,
                "variance": 8144.849516
              },
              {
                "average": 4.287549963,
                "count": 1533650,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.423671966,
                "variance": 5.874185801
              },
              {
                "average": 62979715.39,
                "count": 1533650,
                "maximum": 63048106.94,
                "minimum": 62867168.87,
                "name": "GpsTime",
                "position": 12,
                "stddev": 28031.99296,
                "variance": 785792629.3
              },
              {
                "average": 0,
                "count": 1533650,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1533650,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1533650,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1533650,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1533650,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              572999.52,
              2384998.504,
              -37.98570015,
              573999.54,
              2385998.504,
              -5.025700153
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    572999.5199741726,
                    2384998.503590514,
                    -37.985700153046864
                  ],
                  [
                    572999.5199741726,
                    2385998.503590514,
                    -37.985700153046864
                  ],
                  [
                    573999.5399741726,
                    2385998.503590514,
                    -5.025700153046863
                  ],
                  [
                    573999.5399741726,
                    2384998.503590514,
                    -5.025700153046863
                  ],
                  [
                    572999.5199741726,
                    2384998.503590514,
                    -37.985700153046864
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:08:26+00:00",
            "end_time": "2013-09-10T16:52:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7386.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.29487629194284,
              21.57542181932776,
              -47.50710319569825
            ],
            [
              -158.294832578889,
              21.584456155546516,
              -47.50710319569825
            ],
            [
              -158.285173073059,
              21.58441496702326,
              -6.027103195698242
            ],
            [
              -158.2852173839858,
              21.575380650039794,
              -6.027103195698242
            ],
            [
              -158.29487629194284,
              21.57542181932776,
              -47.50710319569825
            ]
          ]
        ]
      },
      "bbox": [
        -158.2948763,
        21.57538065,
        -47.5071032,
        -158.2851731,
        21.58445616,
        -6.027103196
      ],
      "properties": {
        "datetime": "2013-11-04T20:19:54Z",
        "pc:count": 1827744,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 573561.2166,
            "count": 1827744,
            "maximum": 573999.5361,
            "minimum": 572999.5161,
            "name": "X",
            "position": 0,
            "stddev": 280.7371196,
            "variance": 78813.33035
          },
          {
            "average": 2386363.294,
            "count": 1827744,
            "maximum": 2386998.491,
            "minimum": 2385998.491,
            "name": "Y",
            "position": 1,
            "stddev": 266.8370325,
            "variance": 71202.00194
          },
          {
            "average": -26.44682584,
            "count": 1827744,
            "maximum": -6.027103196,
            "minimum": -47.5071032,
            "name": "Z",
            "position": 2,
            "stddev": 9.039858063,
            "variance": 81.71903379
          },
          {
            "average": 602.8189626,
            "count": 1827744,
            "maximum": 8674,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 656.2926215,
            "variance": 430720.0051
          },
          {
            "average": 1.039502797,
            "count": 1827744,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1975657244,
            "variance": 0.03903221545
          },
          {
            "average": 1.056600924,
            "count": 1827744,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.236942308,
            "variance": 0.05614165732
          },
          {
            "average": 1,
            "count": 1827744,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1827744,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1827744,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.48111914,
            "count": 1827744,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.991452935,
            "variance": 99.82913175
          },
          {
            "average": 223.0733434,
            "count": 1827744,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 63.19870116,
            "variance": 3994.075829
          },
          {
            "average": 4.979211531,
            "count": 1827744,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.32380954,
            "variance": 5.400090779
          },
          {
            "average": 63384499.27,
            "count": 1827744,
            "maximum": 67631594.67,
            "minimum": 62867166.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1367302.351,
            "variance": 1869515718000.0
          },
          {
            "average": 0,
            "count": 1827744,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1827744,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1827744,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1827744,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1827744,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          572999.5161,
          2385998.491,
          -47.5071032,
          573999.5361,
          2386998.491,
          -6.027103196
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                572999.5161337834,
                2385998.491277021,
                -47.50710319569825
              ],
              [
                572999.5161337834,
                2386998.491277021,
                -47.50710319569825
              ],
              [
                573999.5361337834,
                2386998.491277021,
                -6.027103195698242
              ],
              [
                573999.5361337834,
                2385998.491277021,
                -6.027103195698242
              ],
              [
                572999.5161337834,
                2385998.491277021,
                -47.50710319569825
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:19:54+00:00",
        "end_time": "2013-09-10T16:52:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7386.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7386.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7386.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7386.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2948763,
            21.57538065,
            -47.5071032,
            -158.2851731,
            21.58445616,
            -6.027103196
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.29487629194284,
                  21.57542181932776,
                  -47.50710319569825
                ],
                [
                  -158.294832578889,
                  21.584456155546516,
                  -47.50710319569825
                ],
                [
                  -158.285173073059,
                  21.58441496702326,
                  -6.027103195698242
                ],
                [
                  -158.2852173839858,
                  21.575380650039794,
                  -6.027103195698242
                ],
                [
                  -158.29487629194284,
                  21.57542181932776,
                  -47.50710319569825
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7386.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7386.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:19:54Z",
            "pc:count": 1827744,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 573561.2166,
                "count": 1827744,
                "maximum": 573999.5361,
                "minimum": 572999.5161,
                "name": "X",
                "position": 0,
                "stddev": 280.7371196,
                "variance": 78813.33035
              },
              {
                "average": 2386363.294,
                "count": 1827744,
                "maximum": 2386998.491,
                "minimum": 2385998.491,
                "name": "Y",
                "position": 1,
                "stddev": 266.8370325,
                "variance": 71202.00194
              },
              {
                "average": -26.44682584,
                "count": 1827744,
                "maximum": -6.027103196,
                "minimum": -47.5071032,
                "name": "Z",
                "position": 2,
                "stddev": 9.039858063,
                "variance": 81.71903379
              },
              {
                "average": 602.8189626,
                "count": 1827744,
                "maximum": 8674,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 656.2926215,
                "variance": 430720.0051
              },
              {
                "average": 1.039502797,
                "count": 1827744,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1975657244,
                "variance": 0.03903221545
              },
              {
                "average": 1.056600924,
                "count": 1827744,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.236942308,
                "variance": 0.05614165732
              },
              {
                "average": 1,
                "count": 1827744,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1827744,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1827744,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.48111914,
                "count": 1827744,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.991452935,
                "variance": 99.82913175
              },
              {
                "average": 223.0733434,
                "count": 1827744,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 63.19870116,
                "variance": 3994.075829
              },
              {
                "average": 4.979211531,
                "count": 1827744,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.32380954,
                "variance": 5.400090779
              },
              {
                "average": 63384499.27,
                "count": 1827744,
                "maximum": 67631594.67,
                "minimum": 62867166.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1367302.351,
                "variance": 1869515718000.0
              },
              {
                "average": 0,
                "count": 1827744,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1827744,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1827744,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1827744,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1827744,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              572999.5161,
              2385998.491,
              -47.5071032,
              573999.5361,
              2386998.491,
              -6.027103196
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    572999.5161337834,
                    2385998.491277021,
                    -47.50710319569825
                  ],
                  [
                    572999.5161337834,
                    2386998.491277021,
                    -47.50710319569825
                  ],
                  [
                    573999.5361337834,
                    2386998.491277021,
                    -6.027103195698242
                  ],
                  [
                    573999.5361337834,
                    2385998.491277021,
                    -6.027103195698242
                  ],
                  [
                    572999.5161337834,
                    2385998.491277021,
                    -47.50710319569825
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:19:54+00:00",
            "end_time": "2013-09-10T16:52:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9058.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.13217733508282,
              21.3216900969241,
              -16.532713920272556
            ],
            [
              -158.13212425590737,
              21.330724298405674,
              -16.532713920272556
            ],
            [
              -158.12248199070203,
              21.33067425666842,
              24.327286079727443
            ],
            [
              -158.12253566427017,
              21.32164007617947,
              24.327286079727443
            ],
            [
              -158.13217733508282,
              21.3216900969241,
              -16.532713920272556
            ]
          ]
        ]
      },
      "bbox": [
        -158.1321773,
        21.32164008,
        -16.53271392,
        -158.122482,
        21.3307243,
        24.32728608
      ],
      "properties": {
        "datetime": "2013-10-08T22:05:52Z",
        "pc:count": 7515686,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590605.1313,
            "count": 7515686,
            "maximum": 590999.6632,
            "minimum": 589999.6632,
            "name": "X",
            "position": 0,
            "stddev": 282.1904985,
            "variance": 79631.47744
          },
          {
            "average": 2358550.123,
            "count": 7515686,
            "maximum": 2358998.465,
            "minimum": 2357998.465,
            "name": "Y",
            "position": 1,
            "stddev": 286.1289291,
            "variance": 81869.76405
          },
          {
            "average": -4.729226658,
            "count": 7515686,
            "maximum": 24.32728608,
            "minimum": -16.53271392,
            "name": "Z",
            "position": 2,
            "stddev": 3.792333471,
            "variance": 14.38179316
          },
          {
            "average": 11.50788631,
            "count": 7515686,
            "maximum": 8614,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 34.72672048,
            "variance": 1205.945115
          },
          {
            "average": 1.03832092,
            "count": 7515686,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2174842148,
            "variance": 0.0472993837
          },
          {
            "average": 1.071740624,
            "count": 7515686,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.314005596,
            "variance": 0.0985995143
          },
          {
            "average": 1,
            "count": 7515686,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7515686,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.08505651,
            "count": 7515686,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.520948078,
            "variance": 72.60655615
          },
          {
            "average": 16.43444194,
            "count": 7515686,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.063474843,
            "variance": 65.01962654
          },
          {
            "average": 90.6564947,
            "count": 7515686,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.53343617,
            "variance": 4294.631257
          },
          {
            "average": 5.595180666,
            "count": 7515686,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.060212439,
            "variance": 16.48532505
          },
          {
            "average": 63542710.14,
            "count": 7515686,
            "maximum": 65305152.29,
            "minimum": 62720706.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 831320.399,
            "variance": 691093605800.0
          },
          {
            "average": 0,
            "count": 7515686,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7515686,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7515686,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7515686,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7515686,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          589999.6632,
          2357998.465,
          -16.53271392,
          590999.6632,
          2358998.465,
          24.32728608
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                589999.6631967213,
                2357998.464747235,
                -16.532713920272556
              ],
              [
                589999.6631967213,
                2358998.464747235,
                -16.532713920272556
              ],
              [
                590999.6631967213,
                2358998.464747235,
                24.327286079727443
              ],
              [
                590999.6631967213,
                2357998.464747235,
                24.327286079727443
              ],
              [
                589999.6631967213,
                2357998.464747235,
                -16.532713920272556
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:05:52+00:00",
        "end_time": "2013-09-09T00:11:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9058.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9058.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9058.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9058.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1321773,
            21.32164008,
            -16.53271392,
            -158.122482,
            21.3307243,
            24.32728608
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.13217733508282,
                  21.3216900969241,
                  -16.532713920272556
                ],
                [
                  -158.13212425590737,
                  21.330724298405674,
                  -16.532713920272556
                ],
                [
                  -158.12248199070203,
                  21.33067425666842,
                  24.327286079727443
                ],
                [
                  -158.12253566427017,
                  21.32164007617947,
                  24.327286079727443
                ],
                [
                  -158.13217733508282,
                  21.3216900969241,
                  -16.532713920272556
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9058.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9058.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:05:52Z",
            "pc:count": 7515686,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590605.1313,
                "count": 7515686,
                "maximum": 590999.6632,
                "minimum": 589999.6632,
                "name": "X",
                "position": 0,
                "stddev": 282.1904985,
                "variance": 79631.47744
              },
              {
                "average": 2358550.123,
                "count": 7515686,
                "maximum": 2358998.465,
                "minimum": 2357998.465,
                "name": "Y",
                "position": 1,
                "stddev": 286.1289291,
                "variance": 81869.76405
              },
              {
                "average": -4.729226658,
                "count": 7515686,
                "maximum": 24.32728608,
                "minimum": -16.53271392,
                "name": "Z",
                "position": 2,
                "stddev": 3.792333471,
                "variance": 14.38179316
              },
              {
                "average": 11.50788631,
                "count": 7515686,
                "maximum": 8614,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 34.72672048,
                "variance": 1205.945115
              },
              {
                "average": 1.03832092,
                "count": 7515686,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2174842148,
                "variance": 0.0472993837
              },
              {
                "average": 1.071740624,
                "count": 7515686,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.314005596,
                "variance": 0.0985995143
              },
              {
                "average": 1,
                "count": 7515686,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7515686,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.08505651,
                "count": 7515686,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.520948078,
                "variance": 72.60655615
              },
              {
                "average": 16.43444194,
                "count": 7515686,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.063474843,
                "variance": 65.01962654
              },
              {
                "average": 90.6564947,
                "count": 7515686,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.53343617,
                "variance": 4294.631257
              },
              {
                "average": 5.595180666,
                "count": 7515686,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.060212439,
                "variance": 16.48532505
              },
              {
                "average": 63542710.14,
                "count": 7515686,
                "maximum": 65305152.29,
                "minimum": 62720706.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 831320.399,
                "variance": 691093605800.0
              },
              {
                "average": 0,
                "count": 7515686,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7515686,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7515686,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7515686,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7515686,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              589999.6632,
              2357998.465,
              -16.53271392,
              590999.6632,
              2358998.465,
              24.32728608
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    589999.6631967213,
                    2357998.464747235,
                    -16.532713920272556
                  ],
                  [
                    589999.6631967213,
                    2358998.464747235,
                    -16.532713920272556
                  ],
                  [
                    590999.6631967213,
                    2358998.464747235,
                    24.327286079727443
                  ],
                  [
                    590999.6631967213,
                    2357998.464747235,
                    24.327286079727443
                  ],
                  [
                    589999.6631967213,
                    2357998.464747235,
                    -16.532713920272556
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:05:52+00:00",
            "end_time": "2013-09-09T00:11:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7387.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.29483233599703,
              21.584456262179366,
              -48.75529562894206
            ],
            [
              -158.29481785277954,
              21.58744843222663,
              -48.75529562894206
            ],
            [
              -158.2851587283611,
              21.58740723982369,
              -37.67529562894206
            ],
            [
              -158.2851734097186,
              21.584415076129897,
              -37.67529562894206
            ],
            [
              -158.29483233599703,
              21.584456262179366,
              -48.75529562894206
            ]
          ]
        ]
      },
      "bbox": [
        -158.2948323,
        21.58441508,
        -48.75529563,
        -158.2851587,
        21.58744843,
        -37.67529563
      ],
      "properties": {
        "datetime": "2013-09-10T17:42:24Z",
        "pc:count": 90293,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 573635.8559,
            "count": 90293,
            "maximum": 573999.5012,
            "minimum": 572999.5412,
            "name": "X",
            "position": 0,
            "stddev": 282.2391752,
            "variance": 79658.95204
          },
          {
            "average": 2387098.382,
            "count": 90293,
            "maximum": 2387329.703,
            "minimum": 2386998.503,
            "name": "Y",
            "position": 1,
            "stddev": 82.19568327,
            "variance": 6756.130348
          },
          {
            "average": -42.86891795,
            "count": 90293,
            "maximum": -37.67529563,
            "minimum": -48.75529563,
            "name": "Z",
            "position": 2,
            "stddev": 2.514240618,
            "variance": 6.321405887
          },
          {
            "average": 2535.124317,
            "count": 90293,
            "maximum": 5636,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 948.0498347,
            "variance": 898798.4892
          },
          {
            "average": 1.000454077,
            "count": 90293,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02130436862,
            "variance": 0.0004538761223
          },
          {
            "average": 1.000454077,
            "count": 90293,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02130436862,
            "variance": 0.0004538761223
          },
          {
            "average": 1,
            "count": 90293,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 90293,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 90293,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.876623641,
            "count": 90293,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.211669218,
            "variance": 84.85484979
          },
          {
            "average": 249.0381093,
            "count": 90293,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1937611172,
            "variance": 0.03754337055
          },
          {
            "average": 7.309337379,
            "count": 90293,
            "maximum": 8,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.462223032,
            "variance": 0.2136501313
          },
          {
            "average": 62869617.27,
            "count": 90293,
            "maximum": 62870144.6,
            "minimum": 62869369.54,
            "name": "GpsTime",
            "position": 12,
            "stddev": 351.7051963,
            "variance": 123696.5451
          },
          {
            "average": 0,
            "count": 90293,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 90293,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 90293,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 90293,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 90293,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          572999.5412,
          2386998.503,
          -48.75529563,
          573999.5012,
          2387329.703,
          -37.67529563
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                572999.5412256941,
                2386998.5031937067,
                -48.75529562894206
              ],
              [
                572999.5412256941,
                2387329.703193707,
                -48.75529562894206
              ],
              [
                573999.5012256941,
                2387329.703193707,
                -37.67529562894206
              ],
              [
                573999.5012256941,
                2386998.5031937067,
                -37.67529562894206
              ],
              [
                572999.5412256941,
                2386998.5031937067,
                -48.75529562894206
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:42:24+00:00",
        "end_time": "2013-09-10T17:29:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7387.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7387.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7387.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7387.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2948323,
            21.58441508,
            -48.75529563,
            -158.2851587,
            21.58744843,
            -37.67529563
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.29483233599703,
                  21.584456262179366,
                  -48.75529562894206
                ],
                [
                  -158.29481785277954,
                  21.58744843222663,
                  -48.75529562894206
                ],
                [
                  -158.2851587283611,
                  21.58740723982369,
                  -37.67529562894206
                ],
                [
                  -158.2851734097186,
                  21.584415076129897,
                  -37.67529562894206
                ],
                [
                  -158.29483233599703,
                  21.584456262179366,
                  -48.75529562894206
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7387.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7387.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:42:24Z",
            "pc:count": 90293,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 573635.8559,
                "count": 90293,
                "maximum": 573999.5012,
                "minimum": 572999.5412,
                "name": "X",
                "position": 0,
                "stddev": 282.2391752,
                "variance": 79658.95204
              },
              {
                "average": 2387098.382,
                "count": 90293,
                "maximum": 2387329.703,
                "minimum": 2386998.503,
                "name": "Y",
                "position": 1,
                "stddev": 82.19568327,
                "variance": 6756.130348
              },
              {
                "average": -42.86891795,
                "count": 90293,
                "maximum": -37.67529563,
                "minimum": -48.75529563,
                "name": "Z",
                "position": 2,
                "stddev": 2.514240618,
                "variance": 6.321405887
              },
              {
                "average": 2535.124317,
                "count": 90293,
                "maximum": 5636,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 948.0498347,
                "variance": 898798.4892
              },
              {
                "average": 1.000454077,
                "count": 90293,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02130436862,
                "variance": 0.0004538761223
              },
              {
                "average": 1.000454077,
                "count": 90293,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02130436862,
                "variance": 0.0004538761223
              },
              {
                "average": 1,
                "count": 90293,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 90293,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 90293,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.876623641,
                "count": 90293,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.211669218,
                "variance": 84.85484979
              },
              {
                "average": 249.0381093,
                "count": 90293,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1937611172,
                "variance": 0.03754337055
              },
              {
                "average": 7.309337379,
                "count": 90293,
                "maximum": 8,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.462223032,
                "variance": 0.2136501313
              },
              {
                "average": 62869617.27,
                "count": 90293,
                "maximum": 62870144.6,
                "minimum": 62869369.54,
                "name": "GpsTime",
                "position": 12,
                "stddev": 351.7051963,
                "variance": 123696.5451
              },
              {
                "average": 0,
                "count": 90293,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 90293,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 90293,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 90293,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 90293,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              572999.5412,
              2386998.503,
              -48.75529563,
              573999.5012,
              2387329.703,
              -37.67529563
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    572999.5412256941,
                    2386998.5031937067,
                    -48.75529562894206
                  ],
                  [
                    572999.5412256941,
                    2387329.703193707,
                    -48.75529562894206
                  ],
                  [
                    573999.5012256941,
                    2387329.703193707,
                    -37.67529562894206
                  ],
                  [
                    573999.5012256941,
                    2386998.5031937067,
                    -37.67529562894206
                  ],
                  [
                    572999.5412256941,
                    2386998.5031937067,
                    -48.75529562894206
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:42:24+00:00",
            "end_time": "2013-09-10T17:29:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7483.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2768444617485,
              21.556356346799483,
              -44.63365918472322
            ],
            [
              -158.27683990763927,
              21.557275318295606,
              -44.63365918472322
            ],
            [
              -158.27564836666747,
              21.55727014438457,
              -36.55365918472322
            ],
            [
              -158.2756529282671,
              21.556351173134768,
              -36.55365918472322
            ],
            [
              -158.2768444617485,
              21.556356346799483,
              -44.63365918472322
            ]
          ]
        ]
      },
      "bbox": [
        -158.2768445,
        21.55635117,
        -44.63365918,
        -158.2756484,
        21.55727532,
        -36.55365918
      ],
      "properties": {
        "datetime": "2013-09-12T19:07:48Z",
        "pc:count": 7446,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 574958.0143,
            "count": 7446,
            "maximum": 574999.5427,
            "minimum": 574876.1627,
            "name": "X",
            "position": 0,
            "stddev": 29.6183654,
            "variance": 877.2475692
          },
          {
            "average": 2383962.682,
            "count": 7446,
            "maximum": 2383998.474,
            "minimum": 2383896.754,
            "name": "Y",
            "position": 1,
            "stddev": 23.93252523,
            "variance": 572.7657639
          },
          {
            "average": -39.95460869,
            "count": 7446,
            "maximum": -36.55365918,
            "minimum": -44.63365918,
            "name": "Z",
            "position": 2,
            "stddev": 1.665719511,
            "variance": 2.774621489
          },
          {
            "average": 2424.378727,
            "count": 7446,
            "maximum": 4690,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 692.626286,
            "variance": 479731.1721
          },
          {
            "average": 1.001208703,
            "count": 7446,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03474771722,
            "variance": 0.001207403852
          },
          {
            "average": 1.002283105,
            "count": 7446,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04773047682,
            "variance": 0.002278198417
          },
          {
            "average": 1,
            "count": 7446,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7446,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 7446,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.330505289,
            "count": 7446,
            "maximum": 21,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.99734374,
            "variance": 80.95219438
          },
          {
            "average": 249.0237712,
            "count": 7446,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1540989129,
            "variance": 0.02374647496
          },
          {
            "average": 6.867042707,
            "count": 7446,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.905161336,
            "variance": 15.25028506
          },
          {
            "average": 63017241.28,
            "count": 7446,
            "maximum": 63048068.45,
            "minimum": 62969352.32,
            "name": "GpsTime",
            "position": 12,
            "stddev": 38422.99447,
            "variance": 1476326504
          },
          {
            "average": 0,
            "count": 7446,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7446,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7446,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7446,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7446,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          574876.1627,
          2383896.754,
          -44.63365918,
          574999.5427,
          2383998.474,
          -36.55365918
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                574876.1627317611,
                2383896.7542274776,
                -44.63365918472322
              ],
              [
                574876.1627317611,
                2383998.4742274773,
                -44.63365918472322
              ],
              [
                574999.542731761,
                2383998.4742274773,
                -36.55365918472322
              ],
              [
                574999.542731761,
                2383896.7542274776,
                -36.55365918472322
              ],
              [
                574876.1627317611,
                2383896.7542274776,
                -44.63365918472322
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:07:48+00:00",
        "end_time": "2013-09-11T21:15:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7483.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7483.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7483.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7483.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2768445,
            21.55635117,
            -44.63365918,
            -158.2756484,
            21.55727532,
            -36.55365918
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2768444617485,
                  21.556356346799483,
                  -44.63365918472322
                ],
                [
                  -158.27683990763927,
                  21.557275318295606,
                  -44.63365918472322
                ],
                [
                  -158.27564836666747,
                  21.55727014438457,
                  -36.55365918472322
                ],
                [
                  -158.2756529282671,
                  21.556351173134768,
                  -36.55365918472322
                ],
                [
                  -158.2768444617485,
                  21.556356346799483,
                  -44.63365918472322
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7483.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7483.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:07:48Z",
            "pc:count": 7446,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 574958.0143,
                "count": 7446,
                "maximum": 574999.5427,
                "minimum": 574876.1627,
                "name": "X",
                "position": 0,
                "stddev": 29.6183654,
                "variance": 877.2475692
              },
              {
                "average": 2383962.682,
                "count": 7446,
                "maximum": 2383998.474,
                "minimum": 2383896.754,
                "name": "Y",
                "position": 1,
                "stddev": 23.93252523,
                "variance": 572.7657639
              },
              {
                "average": -39.95460869,
                "count": 7446,
                "maximum": -36.55365918,
                "minimum": -44.63365918,
                "name": "Z",
                "position": 2,
                "stddev": 1.665719511,
                "variance": 2.774621489
              },
              {
                "average": 2424.378727,
                "count": 7446,
                "maximum": 4690,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 692.626286,
                "variance": 479731.1721
              },
              {
                "average": 1.001208703,
                "count": 7446,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03474771722,
                "variance": 0.001207403852
              },
              {
                "average": 1.002283105,
                "count": 7446,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04773047682,
                "variance": 0.002278198417
              },
              {
                "average": 1,
                "count": 7446,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7446,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 7446,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.330505289,
                "count": 7446,
                "maximum": 21,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.99734374,
                "variance": 80.95219438
              },
              {
                "average": 249.0237712,
                "count": 7446,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1540989129,
                "variance": 0.02374647496
              },
              {
                "average": 6.867042707,
                "count": 7446,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.905161336,
                "variance": 15.25028506
              },
              {
                "average": 63017241.28,
                "count": 7446,
                "maximum": 63048068.45,
                "minimum": 62969352.32,
                "name": "GpsTime",
                "position": 12,
                "stddev": 38422.99447,
                "variance": 1476326504
              },
              {
                "average": 0,
                "count": 7446,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7446,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7446,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7446,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7446,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              574876.1627,
              2383896.754,
              -44.63365918,
              574999.5427,
              2383998.474,
              -36.55365918
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    574876.1627317611,
                    2383896.7542274776,
                    -44.63365918472322
                  ],
                  [
                    574876.1627317611,
                    2383998.4742274773,
                    -44.63365918472322
                  ],
                  [
                    574999.542731761,
                    2383998.4742274773,
                    -36.55365918472322
                  ],
                  [
                    574999.542731761,
                    2383896.7542274776,
                    -36.55365918472322
                  ],
                  [
                    574876.1627317611,
                    2383896.7542274776,
                    -44.63365918472322
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:07:48+00:00",
            "end_time": "2013-09-11T21:15:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7484.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2853059236409,
              21.557311929926197,
              -41.27908530616244
            ],
            [
              -158.28526166229787,
              21.566346266236327,
              -41.27908530616244
            ],
            [
              -158.27560337329123,
              21.566304556478567,
              -23.31908530616244
            ],
            [
              -158.2756482316323,
              21.55727023969116,
              -23.31908530616244
            ],
            [
              -158.2853059236409,
              21.557311929926197,
              -41.27908530616244
            ]
          ]
        ]
      },
      "bbox": [
        -158.2853059,
        21.55727024,
        -41.27908531,
        -158.2756034,
        21.56634627,
        -23.31908531
      ],
      "properties": {
        "datetime": "2013-09-12T19:08:08Z",
        "pc:count": 611359,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 574591.7135,
            "count": 611359,
            "maximum": 574999.5567,
            "minimum": 573999.5367,
            "name": "X",
            "position": 0,
            "stddev": 271.4129711,
            "variance": 73665.00087
          },
          {
            "average": 2384612.335,
            "count": 611359,
            "maximum": 2384998.485,
            "minimum": 2383998.485,
            "name": "Y",
            "position": 1,
            "stddev": 249.5854658,
            "variance": 62292.90473
          },
          {
            "average": -33.2616254,
            "count": 611359,
            "maximum": -23.31908531,
            "minimum": -41.27908531,
            "name": "Z",
            "position": 2,
            "stddev": 3.7586908,
            "variance": 14.12775653
          },
          {
            "average": 1443.651274,
            "count": 611359,
            "maximum": 8997,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 641.811906,
            "variance": 411922.5227
          },
          {
            "average": 1.000966699,
            "count": 611359,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03107677355,
            "variance": 0.0009657658541
          },
          {
            "average": 1.001840163,
            "count": 611359,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04285766512,
            "variance": 0.00183677946
          },
          {
            "average": 1,
            "count": 611359,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 611359,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 611359,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.185756331,
            "count": 611359,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.821633445,
            "variance": 77.82121663
          },
          {
            "average": 248.9466844,
            "count": 611359,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 3.339866269,
            "variance": 11.1547067
          },
          {
            "average": 4.905211177,
            "count": 611359,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.258628106,
            "variance": 10.61865713
          },
          {
            "average": 62991744.97,
            "count": 611359,
            "maximum": 63048088.15,
            "minimum": 62969326.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 35140.30598,
            "variance": 1234841104
          },
          {
            "average": 0,
            "count": 611359,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 611359,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 611359,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 611359,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 611359,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          573999.5367,
          2383998.485,
          -41.27908531,
          574999.5567,
          2384998.485,
          -23.31908531
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                573999.5366649088,
                2383998.4848415954,
                -41.27908530616244
              ],
              [
                573999.5366649088,
                2384998.4848415954,
                -41.27908530616244
              ],
              [
                574999.5566649088,
                2384998.4848415954,
                -23.31908530616244
              ],
              [
                574999.5566649088,
                2383998.4848415954,
                -23.31908530616244
              ],
              [
                573999.5366649088,
                2383998.4848415954,
                -41.27908530616244
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:08:08+00:00",
        "end_time": "2013-09-11T21:15:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7484.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7484.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7484.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7484.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2853059,
            21.55727024,
            -41.27908531,
            -158.2756034,
            21.56634627,
            -23.31908531
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2853059236409,
                  21.557311929926197,
                  -41.27908530616244
                ],
                [
                  -158.28526166229787,
                  21.566346266236327,
                  -41.27908530616244
                ],
                [
                  -158.27560337329123,
                  21.566304556478567,
                  -23.31908530616244
                ],
                [
                  -158.2756482316323,
                  21.55727023969116,
                  -23.31908530616244
                ],
                [
                  -158.2853059236409,
                  21.557311929926197,
                  -41.27908530616244
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7484.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7484.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:08:08Z",
            "pc:count": 611359,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 574591.7135,
                "count": 611359,
                "maximum": 574999.5567,
                "minimum": 573999.5367,
                "name": "X",
                "position": 0,
                "stddev": 271.4129711,
                "variance": 73665.00087
              },
              {
                "average": 2384612.335,
                "count": 611359,
                "maximum": 2384998.485,
                "minimum": 2383998.485,
                "name": "Y",
                "position": 1,
                "stddev": 249.5854658,
                "variance": 62292.90473
              },
              {
                "average": -33.2616254,
                "count": 611359,
                "maximum": -23.31908531,
                "minimum": -41.27908531,
                "name": "Z",
                "position": 2,
                "stddev": 3.7586908,
                "variance": 14.12775653
              },
              {
                "average": 1443.651274,
                "count": 611359,
                "maximum": 8997,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 641.811906,
                "variance": 411922.5227
              },
              {
                "average": 1.000966699,
                "count": 611359,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03107677355,
                "variance": 0.0009657658541
              },
              {
                "average": 1.001840163,
                "count": 611359,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04285766512,
                "variance": 0.00183677946
              },
              {
                "average": 1,
                "count": 611359,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 611359,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 611359,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.185756331,
                "count": 611359,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.821633445,
                "variance": 77.82121663
              },
              {
                "average": 248.9466844,
                "count": 611359,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 3.339866269,
                "variance": 11.1547067
              },
              {
                "average": 4.905211177,
                "count": 611359,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.258628106,
                "variance": 10.61865713
              },
              {
                "average": 62991744.97,
                "count": 611359,
                "maximum": 63048088.15,
                "minimum": 62969326.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 35140.30598,
                "variance": 1234841104
              },
              {
                "average": 0,
                "count": 611359,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 611359,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 611359,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 611359,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 611359,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              573999.5367,
              2383998.485,
              -41.27908531,
              574999.5567,
              2384998.485,
              -23.31908531
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    573999.5366649088,
                    2383998.4848415954,
                    -41.27908530616244
                  ],
                  [
                    573999.5366649088,
                    2384998.4848415954,
                    -41.27908530616244
                  ],
                  [
                    574999.5566649088,
                    2384998.4848415954,
                    -23.31908530616244
                  ],
                  [
                    574999.5566649088,
                    2383998.4848415954,
                    -23.31908530616244
                  ],
                  [
                    573999.5366649088,
                    2383998.4848415954,
                    -41.27908530616244
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:08:08+00:00",
            "end_time": "2013-09-11T21:15:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8566.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.17998417843816,
              21.394206576884393,
              -13.195310689047133
            ],
            [
              -158.1799337938814,
              21.40324105667263,
              -13.195310689047133
            ],
            [
              -158.17028671642385,
              21.403193550504923,
              219.76468931095286
            ],
            [
              -158.1703376905978,
              21.39415909219725,
              219.76468931095286
            ],
            [
              -158.17998417843816,
              21.394206576884393,
              -13.195310689047133
            ]
          ]
        ]
      },
      "bbox": [
        -158.1799842,
        21.39415909,
        -13.19531069,
        -158.1702867,
        21.40324106,
        219.7646893
      ],
      "properties": {
        "datetime": "2013-09-19T00:45:58Z",
        "pc:count": 7301052,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 585566.5605,
            "count": 7301052,
            "maximum": 585999.6444,
            "minimum": 584999.6444,
            "name": "X",
            "position": 0,
            "stddev": 274.5797515,
            "variance": 75394.03993
          },
          {
            "average": 2366573.251,
            "count": 7301052,
            "maximum": 2366998.474,
            "minimum": 2365998.454,
            "name": "Y",
            "position": 1,
            "stddev": 280.0546678,
            "variance": 78430.61694
          },
          {
            "average": 19.02683924,
            "count": 7301052,
            "maximum": 219.7646893,
            "minimum": -13.19531069,
            "name": "Z",
            "position": 2,
            "stddev": 45.89499631,
            "variance": 2106.350686
          },
          {
            "average": 20.98032585,
            "count": 7301052,
            "maximum": 6306,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 49.34750326,
            "variance": 2435.176078
          },
          {
            "average": 1.149594606,
            "count": 7301052,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5086825739,
            "variance": 0.258757961
          },
          {
            "average": 1.295138838,
            "count": 7301052,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7990294404,
            "variance": 0.6384480467
          },
          {
            "average": 1,
            "count": 7301052,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7301052,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.6522045,
            "count": 7301052,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.82095472,
            "variance": 191.0187894
          },
          {
            "average": 19.4261371,
            "count": 7301052,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.491963089,
            "variance": 20.17773239
          },
          {
            "average": 91.5014865,
            "count": 7301052,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.98106399,
            "variance": 4621.425061
          },
          {
            "average": 6.853371952,
            "count": 7301052,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.90601673,
            "variance": 15.2569667
          },
          {
            "average": 63135962.01,
            "count": 7301052,
            "maximum": 63586758.79,
            "minimum": 62719799.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 424955.3057,
            "variance": 180587011800.0
          },
          {
            "average": 0,
            "count": 7301052,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7301052,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7301052,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7301052,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7301052,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          584999.6444,
          2365998.454,
          -13.19531069,
          585999.6444,
          2366998.474,
          219.7646893
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                584999.6444110266,
                2365998.453732142,
                -13.195310689047133
              ],
              [
                584999.6444110266,
                2366998.473732142,
                -13.195310689047133
              ],
              [
                585999.6444110266,
                2366998.473732142,
                219.76468931095286
              ],
              [
                585999.6444110266,
                2365998.453732142,
                219.76468931095286
              ],
              [
                584999.6444110266,
                2365998.453732142,
                -13.195310689047133
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:45:58+00:00",
        "end_time": "2013-09-08T23:56:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8566.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8566.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8566.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8566.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1799842,
            21.39415909,
            -13.19531069,
            -158.1702867,
            21.40324106,
            219.7646893
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.17998417843816,
                  21.394206576884393,
                  -13.195310689047133
                ],
                [
                  -158.1799337938814,
                  21.40324105667263,
                  -13.195310689047133
                ],
                [
                  -158.17028671642385,
                  21.403193550504923,
                  219.76468931095286
                ],
                [
                  -158.1703376905978,
                  21.39415909219725,
                  219.76468931095286
                ],
                [
                  -158.17998417843816,
                  21.394206576884393,
                  -13.195310689047133
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8566.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8566.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:45:58Z",
            "pc:count": 7301052,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 585566.5605,
                "count": 7301052,
                "maximum": 585999.6444,
                "minimum": 584999.6444,
                "name": "X",
                "position": 0,
                "stddev": 274.5797515,
                "variance": 75394.03993
              },
              {
                "average": 2366573.251,
                "count": 7301052,
                "maximum": 2366998.474,
                "minimum": 2365998.454,
                "name": "Y",
                "position": 1,
                "stddev": 280.0546678,
                "variance": 78430.61694
              },
              {
                "average": 19.02683924,
                "count": 7301052,
                "maximum": 219.7646893,
                "minimum": -13.19531069,
                "name": "Z",
                "position": 2,
                "stddev": 45.89499631,
                "variance": 2106.350686
              },
              {
                "average": 20.98032585,
                "count": 7301052,
                "maximum": 6306,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 49.34750326,
                "variance": 2435.176078
              },
              {
                "average": 1.149594606,
                "count": 7301052,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5086825739,
                "variance": 0.258757961
              },
              {
                "average": 1.295138838,
                "count": 7301052,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7990294404,
                "variance": 0.6384480467
              },
              {
                "average": 1,
                "count": 7301052,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7301052,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.6522045,
                "count": 7301052,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.82095472,
                "variance": 191.0187894
              },
              {
                "average": 19.4261371,
                "count": 7301052,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.491963089,
                "variance": 20.17773239
              },
              {
                "average": 91.5014865,
                "count": 7301052,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.98106399,
                "variance": 4621.425061
              },
              {
                "average": 6.853371952,
                "count": 7301052,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.90601673,
                "variance": 15.2569667
              },
              {
                "average": 63135962.01,
                "count": 7301052,
                "maximum": 63586758.79,
                "minimum": 62719799.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 424955.3057,
                "variance": 180587011800.0
              },
              {
                "average": 0,
                "count": 7301052,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7301052,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7301052,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7301052,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7301052,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              584999.6444,
              2365998.454,
              -13.19531069,
              585999.6444,
              2366998.474,
              219.7646893
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    584999.6444110266,
                    2365998.453732142,
                    -13.195310689047133
                  ],
                  [
                    584999.6444110266,
                    2366998.473732142,
                    -13.195310689047133
                  ],
                  [
                    585999.6444110266,
                    2366998.473732142,
                    219.76468931095286
                  ],
                  [
                    585999.6444110266,
                    2365998.453732142,
                    219.76468931095286
                  ],
                  [
                    584999.6444110266,
                    2365998.453732142,
                    -13.195310689047133
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:45:58+00:00",
            "end_time": "2013-09-08T23:56:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8074.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.22783746682876,
              21.466710364179583,
              -35.04775866886473
            ],
            [
              -158.22778990449908,
              21.475744668180383,
              -35.04775866886473
            ],
            [
              -158.21813764294052,
              21.4756998394737,
              32.03224133113527
            ],
            [
              -158.2181857702401,
              21.466665570380385,
              32.03224133113527
            ],
            [
              -158.22783746682876,
              21.466710364179583,
              -35.04775866886473
            ]
          ]
        ]
      },
      "bbox": [
        -158.2278375,
        21.46666557,
        -35.04775867,
        -158.2181376,
        21.47574467,
        32.03224133
      ],
      "properties": {
        "datetime": "2013-09-19T00:43:39Z",
        "pc:count": 6977321,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580604.9242,
            "count": 6977321,
            "maximum": 580999.6362,
            "minimum": 579999.6162,
            "name": "X",
            "position": 0,
            "stddev": 270.1102877,
            "variance": 72959.56753
          },
          {
            "average": 2374540.135,
            "count": 6977321,
            "maximum": 2374998.445,
            "minimum": 2373998.445,
            "name": "Y",
            "position": 1,
            "stddev": 282.4579811,
            "variance": 79782.51107
          },
          {
            "average": -4.674661437,
            "count": 6977321,
            "maximum": 32.03224133,
            "minimum": -35.04775867,
            "name": "Z",
            "position": 2,
            "stddev": 6.704583072,
            "variance": 44.95143416
          },
          {
            "average": 33.48491205,
            "count": 6977321,
            "maximum": 8718,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 138.433714,
            "variance": 19163.89318
          },
          {
            "average": 1.091321153,
            "count": 6977321,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4075906724,
            "variance": 0.1661301562
          },
          {
            "average": 1.180035145,
            "count": 6977321,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6443319268,
            "variance": 0.4151636319
          },
          {
            "average": 1,
            "count": 6977321,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6977321,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 25.22249542,
            "count": 6977321,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.538089534,
            "variance": 90.97515195
          },
          {
            "average": 19.23408029,
            "count": 6977321,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.723549916,
            "variance": 22.31192381
          },
          {
            "average": 97.48731497,
            "count": 6977321,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 75.92058368,
            "variance": 5763.935026
          },
          {
            "average": 6.703460684,
            "count": 6977321,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.549158503,
            "variance": 12.59652608
          },
          {
            "average": 63036995.04,
            "count": 6977321,
            "maximum": 63586619.98,
            "minimum": 62719662.01,
            "name": "GpsTime",
            "position": 12,
            "stddev": 396274.2355,
            "variance": 157033269700.0
          },
          {
            "average": 0,
            "count": 6977321,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6977321,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6977321,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6977321,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6977321,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.6162,
          2373998.445,
          -35.04775867,
          580999.6362,
          2374998.445,
          32.03224133
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.6161802607,
                2373998.4447233328,
                -35.04775866886473
              ],
              [
                579999.6161802607,
                2374998.4447233328,
                -35.04775866886473
              ],
              [
                580999.6361802607,
                2374998.4447233328,
                32.03224133113527
              ],
              [
                580999.6361802607,
                2373998.4447233328,
                32.03224133113527
              ],
              [
                579999.6161802607,
                2373998.4447233328,
                -35.04775866886473
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:43:39+00:00",
        "end_time": "2013-09-08T23:54:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8074.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8074.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8074.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8074.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2278375,
            21.46666557,
            -35.04775867,
            -158.2181376,
            21.47574467,
            32.03224133
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.22783746682876,
                  21.466710364179583,
                  -35.04775866886473
                ],
                [
                  -158.22778990449908,
                  21.475744668180383,
                  -35.04775866886473
                ],
                [
                  -158.21813764294052,
                  21.4756998394737,
                  32.03224133113527
                ],
                [
                  -158.2181857702401,
                  21.466665570380385,
                  32.03224133113527
                ],
                [
                  -158.22783746682876,
                  21.466710364179583,
                  -35.04775866886473
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8074.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8074.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:43:39Z",
            "pc:count": 6977321,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580604.9242,
                "count": 6977321,
                "maximum": 580999.6362,
                "minimum": 579999.6162,
                "name": "X",
                "position": 0,
                "stddev": 270.1102877,
                "variance": 72959.56753
              },
              {
                "average": 2374540.135,
                "count": 6977321,
                "maximum": 2374998.445,
                "minimum": 2373998.445,
                "name": "Y",
                "position": 1,
                "stddev": 282.4579811,
                "variance": 79782.51107
              },
              {
                "average": -4.674661437,
                "count": 6977321,
                "maximum": 32.03224133,
                "minimum": -35.04775867,
                "name": "Z",
                "position": 2,
                "stddev": 6.704583072,
                "variance": 44.95143416
              },
              {
                "average": 33.48491205,
                "count": 6977321,
                "maximum": 8718,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 138.433714,
                "variance": 19163.89318
              },
              {
                "average": 1.091321153,
                "count": 6977321,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4075906724,
                "variance": 0.1661301562
              },
              {
                "average": 1.180035145,
                "count": 6977321,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6443319268,
                "variance": 0.4151636319
              },
              {
                "average": 1,
                "count": 6977321,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6977321,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 25.22249542,
                "count": 6977321,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.538089534,
                "variance": 90.97515195
              },
              {
                "average": 19.23408029,
                "count": 6977321,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.723549916,
                "variance": 22.31192381
              },
              {
                "average": 97.48731497,
                "count": 6977321,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 75.92058368,
                "variance": 5763.935026
              },
              {
                "average": 6.703460684,
                "count": 6977321,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.549158503,
                "variance": 12.59652608
              },
              {
                "average": 63036995.04,
                "count": 6977321,
                "maximum": 63586619.98,
                "minimum": 62719662.01,
                "name": "GpsTime",
                "position": 12,
                "stddev": 396274.2355,
                "variance": 157033269700.0
              },
              {
                "average": 0,
                "count": 6977321,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6977321,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6977321,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6977321,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6977321,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.6162,
              2373998.445,
              -35.04775867,
              580999.6362,
              2374998.445,
              32.03224133
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.6161802607,
                    2373998.4447233328,
                    -35.04775866886473
                  ],
                  [
                    579999.6161802607,
                    2374998.4447233328,
                    -35.04775866886473
                  ],
                  [
                    580999.6361802607,
                    2374998.4447233328,
                    32.03224133113527
                  ],
                  [
                    580999.6361802607,
                    2373998.4447233328,
                    32.03224133113527
                  ],
                  [
                    579999.6161802607,
                    2373998.4447233328,
                    -35.04775866886473
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:43:39+00:00",
            "end_time": "2013-09-08T23:54:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7485.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2852617229066,
              21.56634635226597,
              -35.58095868979011
            ],
            [
              -158.28521743975315,
              21.575380677907745,
              -35.58095868979011
            ],
            [
              -158.27555855541195,
              21.575338948175578,
              22.07904131020989
            ],
            [
              -158.27560343389413,
              21.566304642511557,
              22.07904131020989
            ],
            [
              -158.2852617229066,
              21.56634635226597,
              -35.58095868979011
            ]
          ]
        ]
      },
      "bbox": [
        -158.2852617,
        21.56630464,
        -35.58095869,
        -158.2755586,
        21.57538068,
        22.07904131
      ],
      "properties": {
        "datetime": "2013-09-12T19:08:08Z",
        "pc:count": 3778615,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 574550.3231,
            "count": 3778615,
            "maximum": 574999.5503,
            "minimum": 573999.5303,
            "name": "X",
            "position": 0,
            "stddev": 287.439878,
            "variance": 82621.68347
          },
          {
            "average": 2385673.746,
            "count": 3778615,
            "maximum": 2385998.494,
            "minimum": 2384998.494,
            "name": "Y",
            "position": 1,
            "stddev": 231.3938307,
            "variance": 53543.10488
          },
          {
            "average": -5.489643367,
            "count": 3778615,
            "maximum": 22.07904131,
            "minimum": -35.58095869,
            "name": "Z",
            "position": 2,
            "stddev": 10.00455231,
            "variance": 100.0910669
          },
          {
            "average": 74.657312,
            "count": 3778615,
            "maximum": 8571,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 222.4579975,
            "variance": 49487.56067
          },
          {
            "average": 1.05679753,
            "count": 3778615,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2396845177,
            "variance": 0.05744866801
          },
          {
            "average": 1.104599172,
            "count": 3778615,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3228390426,
            "variance": 0.1042250474
          },
          {
            "average": 1,
            "count": 3778615,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3778615,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 21.95919854,
            "count": 3778615,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.07238628,
            "variance": 145.7425105
          },
          {
            "average": 17.56355882,
            "count": 3778615,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.754777707,
            "variance": 45.62702187
          },
          {
            "average": 116.3439954,
            "count": 3778615,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 82.29327824,
            "variance": 6772.183643
          },
          {
            "average": 5.010037805,
            "count": 3778615,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.522740676,
            "variance": 2.318739166
          },
          {
            "average": 63001124.31,
            "count": 3778615,
            "maximum": 63048088.41,
            "minimum": 62965162.33,
            "name": "GpsTime",
            "position": 12,
            "stddev": 37435.90635,
            "variance": 1401447084
          },
          {
            "average": 0,
            "count": 3778615,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3778615,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3778615,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3778615,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3778615,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          573999.5303,
          2384998.494,
          -35.58095869,
          574999.5503,
          2385998.494,
          22.07904131
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                573999.5303459665,
                2384998.494335143,
                -35.58095868979011
              ],
              [
                573999.5303459665,
                2385998.494335143,
                -35.58095868979011
              ],
              [
                574999.5503459665,
                2385998.494335143,
                22.07904131020989
              ],
              [
                574999.5503459665,
                2384998.494335143,
                22.07904131020989
              ],
              [
                573999.5303459665,
                2384998.494335143,
                -35.58095868979011
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:08:08+00:00",
        "end_time": "2013-09-11T20:06:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7485.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7485.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7485.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7485.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2852617,
            21.56630464,
            -35.58095869,
            -158.2755586,
            21.57538068,
            22.07904131
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2852617229066,
                  21.56634635226597,
                  -35.58095868979011
                ],
                [
                  -158.28521743975315,
                  21.575380677907745,
                  -35.58095868979011
                ],
                [
                  -158.27555855541195,
                  21.575338948175578,
                  22.07904131020989
                ],
                [
                  -158.27560343389413,
                  21.566304642511557,
                  22.07904131020989
                ],
                [
                  -158.2852617229066,
                  21.56634635226597,
                  -35.58095868979011
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7485.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7485.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:08:08Z",
            "pc:count": 3778615,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 574550.3231,
                "count": 3778615,
                "maximum": 574999.5503,
                "minimum": 573999.5303,
                "name": "X",
                "position": 0,
                "stddev": 287.439878,
                "variance": 82621.68347
              },
              {
                "average": 2385673.746,
                "count": 3778615,
                "maximum": 2385998.494,
                "minimum": 2384998.494,
                "name": "Y",
                "position": 1,
                "stddev": 231.3938307,
                "variance": 53543.10488
              },
              {
                "average": -5.489643367,
                "count": 3778615,
                "maximum": 22.07904131,
                "minimum": -35.58095869,
                "name": "Z",
                "position": 2,
                "stddev": 10.00455231,
                "variance": 100.0910669
              },
              {
                "average": 74.657312,
                "count": 3778615,
                "maximum": 8571,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 222.4579975,
                "variance": 49487.56067
              },
              {
                "average": 1.05679753,
                "count": 3778615,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2396845177,
                "variance": 0.05744866801
              },
              {
                "average": 1.104599172,
                "count": 3778615,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3228390426,
                "variance": 0.1042250474
              },
              {
                "average": 1,
                "count": 3778615,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3778615,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 21.95919854,
                "count": 3778615,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.07238628,
                "variance": 145.7425105
              },
              {
                "average": 17.56355882,
                "count": 3778615,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.754777707,
                "variance": 45.62702187
              },
              {
                "average": 116.3439954,
                "count": 3778615,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 82.29327824,
                "variance": 6772.183643
              },
              {
                "average": 5.010037805,
                "count": 3778615,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.522740676,
                "variance": 2.318739166
              },
              {
                "average": 63001124.31,
                "count": 3778615,
                "maximum": 63048088.41,
                "minimum": 62965162.33,
                "name": "GpsTime",
                "position": 12,
                "stddev": 37435.90635,
                "variance": 1401447084
              },
              {
                "average": 0,
                "count": 3778615,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3778615,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3778615,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3778615,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3778615,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              573999.5303,
              2384998.494,
              -35.58095869,
              574999.5503,
              2385998.494,
              22.07904131
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    573999.5303459665,
                    2384998.494335143,
                    -35.58095868979011
                  ],
                  [
                    573999.5303459665,
                    2385998.494335143,
                    -35.58095868979011
                  ],
                  [
                    574999.5503459665,
                    2385998.494335143,
                    22.07904131020989
                  ],
                  [
                    574999.5503459665,
                    2384998.494335143,
                    22.07904131020989
                  ],
                  [
                    573999.5303459665,
                    2384998.494335143,
                    -35.58095868979011
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:08:08+00:00",
            "end_time": "2013-09-11T20:06:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7486.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.28521755024428,
              21.575380524277147,
              -39.762504241644606
            ],
            [
              -158.28517323844162,
              21.58441502194733,
              -39.762504241644606
            ],
            [
              -158.2755137564158,
              21.584373272713943,
              8.137495758355392
            ],
            [
              -158.275558665913,
              21.575338794551687,
              8.137495758355392
            ],
            [
              -158.28521755024428,
              21.575380524277147,
              -39.762504241644606
            ]
          ]
        ]
      },
      "bbox": [
        -158.2852176,
        21.57533879,
        -39.76250424,
        -158.2755138,
        21.58441502,
        8.137495758
      ],
      "properties": {
        "datetime": "2013-11-04T20:20:11Z",
        "pc:count": 3359682,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 574473.9977,
            "count": 3359682,
            "maximum": 574999.539,
            "minimum": 573999.519,
            "name": "X",
            "position": 0,
            "stddev": 271.6779867,
            "variance": 73808.92845
          },
          {
            "average": 2386286.794,
            "count": 3359682,
            "maximum": 2386998.497,
            "minimum": 2385998.477,
            "name": "Y",
            "position": 1,
            "stddev": 217.2225494,
            "variance": 47185.63597
          },
          {
            "average": -11.32890753,
            "count": 3359682,
            "maximum": 8.137495758,
            "minimum": -39.76250424,
            "name": "Z",
            "position": 2,
            "stddev": 8.570521648,
            "variance": 73.45384131
          },
          {
            "average": 89.85667334,
            "count": 3359682,
            "maximum": 3244,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 232.0958322,
            "variance": 53868.47534
          },
          {
            "average": 1.049257936,
            "count": 3359682,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.220042407,
            "variance": 0.04841866087
          },
          {
            "average": 1.085313431,
            "count": 3359682,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2876347223,
            "variance": 0.08273373347
          },
          {
            "average": 1,
            "count": 3359682,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3359682,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.21199923,
            "count": 3359682,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.614436651,
            "variance": 21.2930256
          },
          {
            "average": 14.93045933,
            "count": 3359682,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.813303129,
            "variance": 77.67431204
          },
          {
            "average": 133.1323212,
            "count": 3359682,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 89.07686525,
            "variance": 7934.687922
          },
          {
            "average": 4.567577229,
            "count": 3359682,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.790123912,
            "variance": 7.784791443
          },
          {
            "average": 63644147.12,
            "count": 3359682,
            "maximum": 67631611.09,
            "minimum": 62867184.17,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1663371.225,
            "variance": 2766803831000.0
          },
          {
            "average": 0,
            "count": 3359682,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3359682,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3359682,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3359682,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3359682,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          573999.519,
          2385998.477,
          -39.76250424,
          574999.539,
          2386998.497,
          8.137495758
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                573999.5189846565,
                2385998.4772778023,
                -39.762504241644606
              ],
              [
                573999.5189846565,
                2386998.497277802,
                -39.762504241644606
              ],
              [
                574999.5389846566,
                2386998.497277802,
                8.137495758355392
              ],
              [
                574999.5389846566,
                2385998.4772778023,
                8.137495758355392
              ],
              [
                573999.5189846565,
                2385998.4772778023,
                -39.762504241644606
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:20:11+00:00",
        "end_time": "2013-09-10T16:53:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7486.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7486.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7486.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7486.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2852176,
            21.57533879,
            -39.76250424,
            -158.2755138,
            21.58441502,
            8.137495758
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.28521755024428,
                  21.575380524277147,
                  -39.762504241644606
                ],
                [
                  -158.28517323844162,
                  21.58441502194733,
                  -39.762504241644606
                ],
                [
                  -158.2755137564158,
                  21.584373272713943,
                  8.137495758355392
                ],
                [
                  -158.275558665913,
                  21.575338794551687,
                  8.137495758355392
                ],
                [
                  -158.28521755024428,
                  21.575380524277147,
                  -39.762504241644606
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7486.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7486.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:20:11Z",
            "pc:count": 3359682,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 574473.9977,
                "count": 3359682,
                "maximum": 574999.539,
                "minimum": 573999.519,
                "name": "X",
                "position": 0,
                "stddev": 271.6779867,
                "variance": 73808.92845
              },
              {
                "average": 2386286.794,
                "count": 3359682,
                "maximum": 2386998.497,
                "minimum": 2385998.477,
                "name": "Y",
                "position": 1,
                "stddev": 217.2225494,
                "variance": 47185.63597
              },
              {
                "average": -11.32890753,
                "count": 3359682,
                "maximum": 8.137495758,
                "minimum": -39.76250424,
                "name": "Z",
                "position": 2,
                "stddev": 8.570521648,
                "variance": 73.45384131
              },
              {
                "average": 89.85667334,
                "count": 3359682,
                "maximum": 3244,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 232.0958322,
                "variance": 53868.47534
              },
              {
                "average": 1.049257936,
                "count": 3359682,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.220042407,
                "variance": 0.04841866087
              },
              {
                "average": 1.085313431,
                "count": 3359682,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2876347223,
                "variance": 0.08273373347
              },
              {
                "average": 1,
                "count": 3359682,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3359682,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.21199923,
                "count": 3359682,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.614436651,
                "variance": 21.2930256
              },
              {
                "average": 14.93045933,
                "count": 3359682,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.813303129,
                "variance": 77.67431204
              },
              {
                "average": 133.1323212,
                "count": 3359682,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 89.07686525,
                "variance": 7934.687922
              },
              {
                "average": 4.567577229,
                "count": 3359682,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.790123912,
                "variance": 7.784791443
              },
              {
                "average": 63644147.12,
                "count": 3359682,
                "maximum": 67631611.09,
                "minimum": 62867184.17,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1663371.225,
                "variance": 2766803831000.0
              },
              {
                "average": 0,
                "count": 3359682,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3359682,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3359682,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3359682,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3359682,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              573999.519,
              2385998.477,
              -39.76250424,
              574999.539,
              2386998.497,
              8.137495758
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    573999.5189846565,
                    2385998.4772778023,
                    -39.762504241644606
                  ],
                  [
                    573999.5189846565,
                    2386998.497277802,
                    -39.762504241644606
                  ],
                  [
                    574999.5389846566,
                    2386998.497277802,
                    8.137495758355392
                  ],
                  [
                    574999.5389846566,
                    2385998.4772778023,
                    8.137495758355392
                  ],
                  [
                    573999.5189846565,
                    2385998.4772778023,
                    -39.762504241644606
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:20:11+00:00",
            "end_time": "2013-09-10T16:53:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7487.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.28517320820615,
              21.584414956084125,
              -44.618258350545695
            ],
            [
              -158.28515731125225,
              21.58765484052973,
              -44.618258350545695
            ],
            [
              -158.27549780790787,
              21.58761308516184,
              -32.27825835054569
            ],
            [
              -158.27551391937027,
              21.584373207689676,
              -32.27825835054569
            ],
            [
              -158.28517320820615,
              21.584414956084125,
              -44.618258350545695
            ]
          ]
        ]
      },
      "bbox": [
        -158.2851732,
        21.58437321,
        -44.61825835,
        -158.2754978,
        21.58765484,
        -32.27825835
      ],
      "properties": {
        "datetime": "2013-09-10T17:42:23Z",
        "pc:count": 212435,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 574509.46,
            "count": 212435,
            "maximum": 574999.5221,
            "minimum": 573999.5221,
            "name": "X",
            "position": 0,
            "stddev": 288.156035,
            "variance": 83033.90053
          },
          {
            "average": 2387148.36,
            "count": 212435,
            "maximum": 2387357.11,
            "minimum": 2386998.49,
            "name": "Y",
            "position": 1,
            "stddev": 103.7327045,
            "variance": 10760.47399
          },
          {
            "average": -37.09694336,
            "count": 212435,
            "maximum": -32.27825835,
            "minimum": -44.61825835,
            "name": "Z",
            "position": 2,
            "stddev": 2.379003941,
            "variance": 5.659659749
          },
          {
            "average": 1467.89176,
            "count": 212435,
            "maximum": 4282,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 575.4626206,
            "variance": 331157.2277
          },
          {
            "average": 1.001416904,
            "count": 212435,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0376151969,
            "variance": 0.001414903038
          },
          {
            "average": 1.001421611,
            "count": 212435,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03767754,
            "variance": 0.00141959702
          },
          {
            "average": 1,
            "count": 212435,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 212435,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 212435,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.950961258,
            "count": 212435,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.476325086,
            "variance": 89.80073714
          },
          {
            "average": 249.0623438,
            "count": 212435,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.2448363236,
            "variance": 0.05994482538
          },
          {
            "average": 7.610925695,
            "count": 212435,
            "maximum": 8,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4875413922,
            "variance": 0.2376966091
          },
          {
            "average": 62869848.86,
            "count": 212435,
            "maximum": 62870143.58,
            "minimum": 62869387.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 358.5527889,
            "variance": 128560.1024
          },
          {
            "average": 0,
            "count": 212435,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 212435,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 212435,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 212435,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 212435,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          573999.5221,
          2386998.49,
          -44.61825835,
          574999.5221,
          2387357.11,
          -32.27825835
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                573999.5221482362,
                2386998.490001983,
                -44.618258350545695
              ],
              [
                573999.5221482362,
                2387357.110001983,
                -44.618258350545695
              ],
              [
                574999.5221482362,
                2387357.110001983,
                -32.27825835054569
              ],
              [
                574999.5221482362,
                2386998.490001983,
                -32.27825835054569
              ],
              [
                573999.5221482362,
                2386998.490001983,
                -44.618258350545695
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:42:23+00:00",
        "end_time": "2013-09-10T17:29:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7487.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7487.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7487.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7487.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2851732,
            21.58437321,
            -44.61825835,
            -158.2754978,
            21.58765484,
            -32.27825835
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.28517320820615,
                  21.584414956084125,
                  -44.618258350545695
                ],
                [
                  -158.28515731125225,
                  21.58765484052973,
                  -44.618258350545695
                ],
                [
                  -158.27549780790787,
                  21.58761308516184,
                  -32.27825835054569
                ],
                [
                  -158.27551391937027,
                  21.584373207689676,
                  -32.27825835054569
                ],
                [
                  -158.28517320820615,
                  21.584414956084125,
                  -44.618258350545695
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7487.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7487.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:42:23Z",
            "pc:count": 212435,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 574509.46,
                "count": 212435,
                "maximum": 574999.5221,
                "minimum": 573999.5221,
                "name": "X",
                "position": 0,
                "stddev": 288.156035,
                "variance": 83033.90053
              },
              {
                "average": 2387148.36,
                "count": 212435,
                "maximum": 2387357.11,
                "minimum": 2386998.49,
                "name": "Y",
                "position": 1,
                "stddev": 103.7327045,
                "variance": 10760.47399
              },
              {
                "average": -37.09694336,
                "count": 212435,
                "maximum": -32.27825835,
                "minimum": -44.61825835,
                "name": "Z",
                "position": 2,
                "stddev": 2.379003941,
                "variance": 5.659659749
              },
              {
                "average": 1467.89176,
                "count": 212435,
                "maximum": 4282,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 575.4626206,
                "variance": 331157.2277
              },
              {
                "average": 1.001416904,
                "count": 212435,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0376151969,
                "variance": 0.001414903038
              },
              {
                "average": 1.001421611,
                "count": 212435,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03767754,
                "variance": 0.00141959702
              },
              {
                "average": 1,
                "count": 212435,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 212435,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 212435,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.950961258,
                "count": 212435,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.476325086,
                "variance": 89.80073714
              },
              {
                "average": 249.0623438,
                "count": 212435,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.2448363236,
                "variance": 0.05994482538
              },
              {
                "average": 7.610925695,
                "count": 212435,
                "maximum": 8,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4875413922,
                "variance": 0.2376966091
              },
              {
                "average": 62869848.86,
                "count": 212435,
                "maximum": 62870143.58,
                "minimum": 62869387.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 358.5527889,
                "variance": 128560.1024
              },
              {
                "average": 0,
                "count": 212435,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 212435,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 212435,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 212435,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 212435,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              573999.5221,
              2386998.49,
              -44.61825835,
              574999.5221,
              2387357.11,
              -32.27825835
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    573999.5221482362,
                    2386998.490001983,
                    -44.618258350545695
                  ],
                  [
                    573999.5221482362,
                    2387357.110001983,
                    -44.618258350545695
                  ],
                  [
                    574999.5221482362,
                    2387357.110001983,
                    -32.27825835054569
                  ],
                  [
                    574999.5221482362,
                    2386998.490001983,
                    -32.27825835054569
                  ],
                  [
                    573999.5221482362,
                    2386998.490001983,
                    -44.618258350545695
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:42:23+00:00",
            "end_time": "2013-09-10T17:29:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7583.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.27566852546866,
              21.553186301578677,
              -58.19803979042719
            ],
            [
              -158.2756482558457,
              21.557270177337987,
              -58.19803979042719
            ],
            [
              -158.26599079073296,
              21.557227925132302,
              -23.75803979042719
            ],
            [
              -158.26601133008876,
              21.553144058295988,
              -23.75803979042719
            ],
            [
              -158.27566852546866,
              21.553186301578677,
              -58.19803979042719
            ]
          ]
        ]
      },
      "bbox": [
        -158.2756685,
        21.55314406,
        -58.19803979,
        -158.2659908,
        21.55727018,
        -23.75803979
      ],
      "properties": {
        "datetime": "2013-09-12T19:07:48Z",
        "pc:count": 253879,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 575544.2124,
            "count": 253879,
            "maximum": 575999.5542,
            "minimum": 574999.5542,
            "name": "X",
            "position": 0,
            "stddev": 261.0128124,
            "variance": 68127.68825
          },
          {
            "average": 2383827.736,
            "count": 253879,
            "maximum": 2383998.478,
            "minimum": 2383546.438,
            "name": "Y",
            "position": 1,
            "stddev": 107.1726615,
            "variance": 11485.97937
          },
          {
            "average": -37.03643403,
            "count": 253879,
            "maximum": -23.75803979,
            "minimum": -58.19803979,
            "name": "Z",
            "position": 2,
            "stddev": 6.304396441,
            "variance": 39.74541448
          },
          {
            "average": 1742.530197,
            "count": 253879,
            "maximum": 8998,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1146.971986,
            "variance": 1315544.737
          },
          {
            "average": 1.002918713,
            "count": 253879,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05394632352,
            "variance": 0.002910205821
          },
          {
            "average": 1.00631797,
            "count": 253879,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07923432558,
            "variance": 0.006278078351
          },
          {
            "average": 1,
            "count": 253879,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 253879,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 253879,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.675909033,
            "count": 253879,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.360619851,
            "variance": 69.8999643
          },
          {
            "average": 249.0336144,
            "count": 253879,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1837840989,
            "variance": 0.03377659499
          },
          {
            "average": 5.090149244,
            "count": 253879,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.292848719,
            "variance": 10.84285269
          },
          {
            "average": 62993279.95,
            "count": 253879,
            "maximum": 63048068.22,
            "minimum": 62969352.29,
            "name": "GpsTime",
            "position": 12,
            "stddev": 35824.55724,
            "variance": 1283398901
          },
          {
            "average": 0,
            "count": 253879,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 253879,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 253879,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 253879,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 253879,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          574999.5542,
          2383546.438,
          -58.19803979,
          575999.5542,
          2383998.478,
          -23.75803979
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                574999.5541897924,
                2383546.437928287,
                -58.19803979042719
              ],
              [
                574999.5541897924,
                2383998.477928287,
                -58.19803979042719
              ],
              [
                575999.5541897924,
                2383998.477928287,
                -23.75803979042719
              ],
              [
                575999.5541897924,
                2383546.437928287,
                -23.75803979042719
              ],
              [
                574999.5541897924,
                2383546.437928287,
                -58.19803979042719
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:07:48+00:00",
        "end_time": "2013-09-11T21:15:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7583.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7583.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7583.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7583.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2756685,
            21.55314406,
            -58.19803979,
            -158.2659908,
            21.55727018,
            -23.75803979
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.27566852546866,
                  21.553186301578677,
                  -58.19803979042719
                ],
                [
                  -158.2756482558457,
                  21.557270177337987,
                  -58.19803979042719
                ],
                [
                  -158.26599079073296,
                  21.557227925132302,
                  -23.75803979042719
                ],
                [
                  -158.26601133008876,
                  21.553144058295988,
                  -23.75803979042719
                ],
                [
                  -158.27566852546866,
                  21.553186301578677,
                  -58.19803979042719
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7583.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7583.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:07:48Z",
            "pc:count": 253879,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 575544.2124,
                "count": 253879,
                "maximum": 575999.5542,
                "minimum": 574999.5542,
                "name": "X",
                "position": 0,
                "stddev": 261.0128124,
                "variance": 68127.68825
              },
              {
                "average": 2383827.736,
                "count": 253879,
                "maximum": 2383998.478,
                "minimum": 2383546.438,
                "name": "Y",
                "position": 1,
                "stddev": 107.1726615,
                "variance": 11485.97937
              },
              {
                "average": -37.03643403,
                "count": 253879,
                "maximum": -23.75803979,
                "minimum": -58.19803979,
                "name": "Z",
                "position": 2,
                "stddev": 6.304396441,
                "variance": 39.74541448
              },
              {
                "average": 1742.530197,
                "count": 253879,
                "maximum": 8998,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1146.971986,
                "variance": 1315544.737
              },
              {
                "average": 1.002918713,
                "count": 253879,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05394632352,
                "variance": 0.002910205821
              },
              {
                "average": 1.00631797,
                "count": 253879,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07923432558,
                "variance": 0.006278078351
              },
              {
                "average": 1,
                "count": 253879,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 253879,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 253879,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.675909033,
                "count": 253879,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.360619851,
                "variance": 69.8999643
              },
              {
                "average": 249.0336144,
                "count": 253879,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1837840989,
                "variance": 0.03377659499
              },
              {
                "average": 5.090149244,
                "count": 253879,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.292848719,
                "variance": 10.84285269
              },
              {
                "average": 62993279.95,
                "count": 253879,
                "maximum": 63048068.22,
                "minimum": 62969352.29,
                "name": "GpsTime",
                "position": 12,
                "stddev": 35824.55724,
                "variance": 1283398901
              },
              {
                "average": 0,
                "count": 253879,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 253879,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 253879,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 253879,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 253879,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              574999.5542,
              2383546.438,
              -58.19803979,
              575999.5542,
              2383998.478,
              -23.75803979
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    574999.5541897924,
                    2383546.437928287,
                    -58.19803979042719
                  ],
                  [
                    574999.5541897924,
                    2383998.477928287,
                    -58.19803979042719
                  ],
                  [
                    575999.5541897924,
                    2383998.477928287,
                    -23.75803979042719
                  ],
                  [
                    575999.5541897924,
                    2383546.437928287,
                    -23.75803979042719
                  ],
                  [
                    574999.5541897924,
                    2383546.437928287,
                    -58.19803979042719
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:07:48+00:00",
            "end_time": "2013-09-11T21:15:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9059.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1321242471014,
              21.330724200215656,
              -9.540733656532357
            ],
            [
              -158.13207111544833,
              21.33975861262839,
              -9.540733656532357
            ],
            [
              -158.1224282597841,
              21.33970854725375,
              62.15926634346765
            ],
            [
              -158.12248198190252,
              21.33067415847812,
              62.15926634346765
            ],
            [
              -158.1321242471014,
              21.330724200215656,
              -9.540733656532357
            ]
          ]
        ]
      },
      "bbox": [
        -158.1321242,
        21.33067416,
        -9.540733657,
        -158.1224283,
        21.33975861,
        62.15926634
      ],
      "properties": {
        "datetime": "2013-10-08T22:05:58Z",
        "pc:count": 11156352,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590561.1823,
            "count": 11156352,
            "maximum": 590999.6642,
            "minimum": 589999.6642,
            "name": "X",
            "position": 0,
            "stddev": 290.5039197,
            "variance": 84392.52734
          },
          {
            "average": 2359534.354,
            "count": 11156352,
            "maximum": 2359998.474,
            "minimum": 2358998.454,
            "name": "Y",
            "position": 1,
            "stddev": 291.5416452,
            "variance": 84996.53088
          },
          {
            "average": 0.8043444505,
            "count": 11156352,
            "maximum": 62.15926634,
            "minimum": -9.540733657,
            "name": "Z",
            "position": 2,
            "stddev": 9.720175455,
            "variance": 94.48181088
          },
          {
            "average": 14.50605278,
            "count": 11156352,
            "maximum": 8784,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.82930516,
            "variance": 1586.373549
          },
          {
            "average": 1.17462563,
            "count": 11156352,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.520569961,
            "variance": 0.2709930842
          },
          {
            "average": 1.344112215,
            "count": 11156352,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7948263897,
            "variance": 0.6317489898
          },
          {
            "average": 1,
            "count": 11156352,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11156352,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.36647526,
            "count": 11156352,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.24737,
            "variance": 175.4928119
          },
          {
            "average": 17.884869,
            "count": 11156352,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.896480794,
            "variance": 47.56144735
          },
          {
            "average": 90.70980102,
            "count": 11156352,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.80499007,
            "variance": 4330.296718
          },
          {
            "average": 5.690209309,
            "count": 11156352,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.535652914,
            "variance": 12.50084153
          },
          {
            "average": 63279556.57,
            "count": 11156352,
            "maximum": 65305158.26,
            "minimum": 62718366.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 773134.4615,
            "variance": 597736895500.0
          },
          {
            "average": 0,
            "count": 11156352,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11156352,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11156352,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11156352,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11156352,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          589999.6642,
          2358998.454,
          -9.540733657,
          590999.6642,
          2359998.474,
          62.15926634
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                589999.6641698317,
                2358998.4538839385,
                -9.540733656532357
              ],
              [
                589999.6641698317,
                2359998.473883938,
                -9.540733656532357
              ],
              [
                590999.6641698317,
                2359998.473883938,
                62.15926634346765
              ],
              [
                590999.6641698317,
                2358998.4538839385,
                62.15926634346765
              ],
              [
                589999.6641698317,
                2358998.4538839385,
                -9.540733656532357
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:05:58+00:00",
        "end_time": "2013-09-08T23:32:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9059.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9059.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9059.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9059.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1321242,
            21.33067416,
            -9.540733657,
            -158.1224283,
            21.33975861,
            62.15926634
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1321242471014,
                  21.330724200215656,
                  -9.540733656532357
                ],
                [
                  -158.13207111544833,
                  21.33975861262839,
                  -9.540733656532357
                ],
                [
                  -158.1224282597841,
                  21.33970854725375,
                  62.15926634346765
                ],
                [
                  -158.12248198190252,
                  21.33067415847812,
                  62.15926634346765
                ],
                [
                  -158.1321242471014,
                  21.330724200215656,
                  -9.540733656532357
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9059.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9059.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:05:58Z",
            "pc:count": 11156352,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590561.1823,
                "count": 11156352,
                "maximum": 590999.6642,
                "minimum": 589999.6642,
                "name": "X",
                "position": 0,
                "stddev": 290.5039197,
                "variance": 84392.52734
              },
              {
                "average": 2359534.354,
                "count": 11156352,
                "maximum": 2359998.474,
                "minimum": 2358998.454,
                "name": "Y",
                "position": 1,
                "stddev": 291.5416452,
                "variance": 84996.53088
              },
              {
                "average": 0.8043444505,
                "count": 11156352,
                "maximum": 62.15926634,
                "minimum": -9.540733657,
                "name": "Z",
                "position": 2,
                "stddev": 9.720175455,
                "variance": 94.48181088
              },
              {
                "average": 14.50605278,
                "count": 11156352,
                "maximum": 8784,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.82930516,
                "variance": 1586.373549
              },
              {
                "average": 1.17462563,
                "count": 11156352,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.520569961,
                "variance": 0.2709930842
              },
              {
                "average": 1.344112215,
                "count": 11156352,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7948263897,
                "variance": 0.6317489898
              },
              {
                "average": 1,
                "count": 11156352,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11156352,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.36647526,
                "count": 11156352,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.24737,
                "variance": 175.4928119
              },
              {
                "average": 17.884869,
                "count": 11156352,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.896480794,
                "variance": 47.56144735
              },
              {
                "average": 90.70980102,
                "count": 11156352,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.80499007,
                "variance": 4330.296718
              },
              {
                "average": 5.690209309,
                "count": 11156352,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.535652914,
                "variance": 12.50084153
              },
              {
                "average": 63279556.57,
                "count": 11156352,
                "maximum": 65305158.26,
                "minimum": 62718366.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 773134.4615,
                "variance": 597736895500.0
              },
              {
                "average": 0,
                "count": 11156352,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11156352,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11156352,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11156352,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11156352,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              589999.6642,
              2358998.454,
              -9.540733657,
              590999.6642,
              2359998.474,
              62.15926634
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    589999.6641698317,
                    2358998.4538839385,
                    -9.540733656532357
                  ],
                  [
                    589999.6641698317,
                    2359998.473883938,
                    -9.540733656532357
                  ],
                  [
                    590999.6641698317,
                    2359998.473883938,
                    62.15926634346765
                  ],
                  [
                    590999.6641698317,
                    2358998.4538839385,
                    62.15926634346765
                  ],
                  [
                    589999.6641698317,
                    2358998.4538839385,
                    -9.540733656532357
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:05:58+00:00",
            "end_time": "2013-09-08T23:32:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7584.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.27564832625342,
              21.557270103854986,
              -39.067329770615686
            ],
            [
              -158.27560346702114,
              21.56630460132896,
              -39.067329770615686
            ],
            [
              -158.26594521216472,
              21.566262328456524,
              -0.427329770615685
            ],
            [
              -158.26599066799605,
              21.55722785080295,
              -0.427329770615685
            ],
            [
              -158.27564832625342,
              21.557270103854986,
              -39.067329770615686
            ]
          ]
        ]
      },
      "bbox": [
        -158.2756483,
        21.55722785,
        -39.06732977,
        -158.2659452,
        21.5663046,
        -0.4273297706
      ],
      "properties": {
        "datetime": "2013-09-12T19:07:50Z",
        "pc:count": 1268124,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 575576.4126,
            "count": 1268124,
            "maximum": 575999.5669,
            "minimum": 574999.5469,
            "name": "X",
            "position": 0,
            "stddev": 290.6766475,
            "variance": 84492.91342
          },
          {
            "average": 2384597.716,
            "count": 1268124,
            "maximum": 2384998.49,
            "minimum": 2383998.47,
            "name": "Y",
            "position": 1,
            "stddev": 298.6205466,
            "variance": 89174.23086
          },
          {
            "average": -21.18267596,
            "count": 1268124,
            "maximum": -0.4273297706,
            "minimum": -39.06732977,
            "name": "Z",
            "position": 2,
            "stddev": 7.760901248,
            "variance": 60.23158818
          },
          {
            "average": 430.5298488,
            "count": 1268124,
            "maximum": 8978,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 445.7001296,
            "variance": 198648.6055
          },
          {
            "average": 1.019064382,
            "count": 1268124,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1404271143,
            "variance": 0.01971977443
          },
          {
            "average": 1.033107961,
            "count": 1268124,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1860317497,
            "variance": 0.0346078119
          },
          {
            "average": 1,
            "count": 1268124,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1268124,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1268124,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.32845649,
            "count": 1268124,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.525414874,
            "variance": 90.73352851
          },
          {
            "average": 207.7678405,
            "count": 1268124,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 76.62040445,
            "variance": 5870.686378
          },
          {
            "average": 5.020106078,
            "count": 1268124,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.545613646,
            "variance": 2.388921544
          },
          {
            "average": 63001865.67,
            "count": 1268124,
            "maximum": 63048070.25,
            "minimum": 62969348.57,
            "name": "GpsTime",
            "position": 12,
            "stddev": 37197.40235,
            "variance": 1383646742
          },
          {
            "average": 0,
            "count": 1268124,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1268124,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1268124,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1268124,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1268124,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          574999.5469,
          2383998.47,
          -39.06732977,
          575999.5669,
          2384998.49,
          -0.4273297706
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                574999.5469372428,
                2383998.469760835,
                -39.067329770615686
              ],
              [
                574999.5469372428,
                2384998.4897608347,
                -39.067329770615686
              ],
              [
                575999.5669372429,
                2384998.4897608347,
                -0.427329770615685
              ],
              [
                575999.5669372429,
                2383998.469760835,
                -0.427329770615685
              ],
              [
                574999.5469372428,
                2383998.469760835,
                -39.067329770615686
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:07:50+00:00",
        "end_time": "2013-09-11T21:15:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7584.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7584.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7584.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7584.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2756483,
            21.55722785,
            -39.06732977,
            -158.2659452,
            21.5663046,
            -0.4273297706
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.27564832625342,
                  21.557270103854986,
                  -39.067329770615686
                ],
                [
                  -158.27560346702114,
                  21.56630460132896,
                  -39.067329770615686
                ],
                [
                  -158.26594521216472,
                  21.566262328456524,
                  -0.427329770615685
                ],
                [
                  -158.26599066799605,
                  21.55722785080295,
                  -0.427329770615685
                ],
                [
                  -158.27564832625342,
                  21.557270103854986,
                  -39.067329770615686
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7584.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7584.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:07:50Z",
            "pc:count": 1268124,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 575576.4126,
                "count": 1268124,
                "maximum": 575999.5669,
                "minimum": 574999.5469,
                "name": "X",
                "position": 0,
                "stddev": 290.6766475,
                "variance": 84492.91342
              },
              {
                "average": 2384597.716,
                "count": 1268124,
                "maximum": 2384998.49,
                "minimum": 2383998.47,
                "name": "Y",
                "position": 1,
                "stddev": 298.6205466,
                "variance": 89174.23086
              },
              {
                "average": -21.18267596,
                "count": 1268124,
                "maximum": -0.4273297706,
                "minimum": -39.06732977,
                "name": "Z",
                "position": 2,
                "stddev": 7.760901248,
                "variance": 60.23158818
              },
              {
                "average": 430.5298488,
                "count": 1268124,
                "maximum": 8978,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 445.7001296,
                "variance": 198648.6055
              },
              {
                "average": 1.019064382,
                "count": 1268124,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1404271143,
                "variance": 0.01971977443
              },
              {
                "average": 1.033107961,
                "count": 1268124,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1860317497,
                "variance": 0.0346078119
              },
              {
                "average": 1,
                "count": 1268124,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1268124,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1268124,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.32845649,
                "count": 1268124,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.525414874,
                "variance": 90.73352851
              },
              {
                "average": 207.7678405,
                "count": 1268124,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 76.62040445,
                "variance": 5870.686378
              },
              {
                "average": 5.020106078,
                "count": 1268124,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.545613646,
                "variance": 2.388921544
              },
              {
                "average": 63001865.67,
                "count": 1268124,
                "maximum": 63048070.25,
                "minimum": 62969348.57,
                "name": "GpsTime",
                "position": 12,
                "stddev": 37197.40235,
                "variance": 1383646742
              },
              {
                "average": 0,
                "count": 1268124,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1268124,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1268124,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1268124,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1268124,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              574999.5469,
              2383998.47,
              -39.06732977,
              575999.5669,
              2384998.49,
              -0.4273297706
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    574999.5469372428,
                    2383998.469760835,
                    -39.067329770615686
                  ],
                  [
                    574999.5469372428,
                    2384998.4897608347,
                    -39.067329770615686
                  ],
                  [
                    575999.5669372429,
                    2384998.4897608347,
                    -0.427329770615685
                  ],
                  [
                    575999.5669372429,
                    2383998.469760835,
                    -0.427329770615685
                  ],
                  [
                    574999.5469372428,
                    2383998.469760835,
                    -39.067329770615686
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:07:50+00:00",
            "end_time": "2013-09-11T21:15:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8075.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.22778988084892,
              21.475744659863256,
              -12.774650698293144
            ],
            [
              -158.22774227182722,
              21.48477896164064,
              -12.774650698293144
            ],
            [
              -158.21808942450207,
              21.484734107597617,
              235.24534930170688
            ],
            [
              -158.21813761929093,
              21.47569983115522,
              235.24534930170688
            ],
            [
              -158.22778988084892,
              21.475744659863256,
              -12.774650698293144
            ]
          ]
        ]
      },
      "bbox": [
        -158.2277899,
        21.47569983,
        -12.7746507,
        -158.2180894,
        21.48477896,
        235.2453493
      ],
      "properties": {
        "datetime": "2013-09-18T21:07:23Z",
        "pc:count": 11339431,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580361.051,
            "count": 11339431,
            "maximum": 580999.6386,
            "minimum": 579999.6186,
            "name": "X",
            "position": 0,
            "stddev": 276.2970086,
            "variance": 76340.03694
          },
          {
            "average": 2375447.826,
            "count": 11339431,
            "maximum": 2375998.444,
            "minimum": 2374998.444,
            "name": "Y",
            "position": 1,
            "stddev": 251.3974686,
            "variance": 63200.68722
          },
          {
            "average": 26.49154038,
            "count": 11339431,
            "maximum": 235.2453493,
            "minimum": -12.7746507,
            "name": "Z",
            "position": 2,
            "stddev": 42.10820421,
            "variance": 1773.100861
          },
          {
            "average": 21.347785,
            "count": 11339431,
            "maximum": 8091,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.68424853,
            "variance": 2087.050563
          },
          {
            "average": 1.507036993,
            "count": 11339431,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9304298981,
            "variance": 0.8656997953
          },
          {
            "average": 2.012727887,
            "count": 11339431,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.417222887,
            "variance": 2.008520712
          },
          {
            "average": 1,
            "count": 11339431,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11339431,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.692203339,
            "count": 11339431,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.3338893,
            "variance": 106.7892682
          },
          {
            "average": 20.53376028,
            "count": 11339431,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.829079763,
            "variance": 23.32001135
          },
          {
            "average": 90.49696868,
            "count": 11339431,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.08833224,
            "variance": 4500.844322
          },
          {
            "average": 5.286385534,
            "count": 11339431,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.761834411,
            "variance": 7.627729311
          },
          {
            "average": 62952685.67,
            "count": 11339431,
            "maximum": 63573643.6,
            "minimum": 62718875.76,
            "name": "GpsTime",
            "position": 12,
            "stddev": 299044.2046,
            "variance": 89427436330.0
          },
          {
            "average": 0,
            "count": 11339431,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11339431,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11339431,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11339431,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11339431,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.6186,
          2374998.444,
          -12.7746507,
          580999.6386,
          2375998.444,
          235.2453493
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.6186350203,
                2374998.443814827,
                -12.774650698293144
              ],
              [
                579999.6186350203,
                2375998.443814827,
                -12.774650698293144
              ],
              [
                580999.6386350204,
                2375998.443814827,
                235.24534930170688
              ],
              [
                580999.6386350204,
                2374998.443814827,
                235.24534930170688
              ],
              [
                579999.6186350203,
                2374998.443814827,
                -12.774650698293144
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:07:23+00:00",
        "end_time": "2013-09-08T23:41:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8075.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8075.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8075.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8075.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2277899,
            21.47569983,
            -12.7746507,
            -158.2180894,
            21.48477896,
            235.2453493
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.22778988084892,
                  21.475744659863256,
                  -12.774650698293144
                ],
                [
                  -158.22774227182722,
                  21.48477896164064,
                  -12.774650698293144
                ],
                [
                  -158.21808942450207,
                  21.484734107597617,
                  235.24534930170688
                ],
                [
                  -158.21813761929093,
                  21.47569983115522,
                  235.24534930170688
                ],
                [
                  -158.22778988084892,
                  21.475744659863256,
                  -12.774650698293144
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8075.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8075.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:07:23Z",
            "pc:count": 11339431,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580361.051,
                "count": 11339431,
                "maximum": 580999.6386,
                "minimum": 579999.6186,
                "name": "X",
                "position": 0,
                "stddev": 276.2970086,
                "variance": 76340.03694
              },
              {
                "average": 2375447.826,
                "count": 11339431,
                "maximum": 2375998.444,
                "minimum": 2374998.444,
                "name": "Y",
                "position": 1,
                "stddev": 251.3974686,
                "variance": 63200.68722
              },
              {
                "average": 26.49154038,
                "count": 11339431,
                "maximum": 235.2453493,
                "minimum": -12.7746507,
                "name": "Z",
                "position": 2,
                "stddev": 42.10820421,
                "variance": 1773.100861
              },
              {
                "average": 21.347785,
                "count": 11339431,
                "maximum": 8091,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.68424853,
                "variance": 2087.050563
              },
              {
                "average": 1.507036993,
                "count": 11339431,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9304298981,
                "variance": 0.8656997953
              },
              {
                "average": 2.012727887,
                "count": 11339431,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.417222887,
                "variance": 2.008520712
              },
              {
                "average": 1,
                "count": 11339431,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11339431,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.692203339,
                "count": 11339431,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.3338893,
                "variance": 106.7892682
              },
              {
                "average": 20.53376028,
                "count": 11339431,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.829079763,
                "variance": 23.32001135
              },
              {
                "average": 90.49696868,
                "count": 11339431,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.08833224,
                "variance": 4500.844322
              },
              {
                "average": 5.286385534,
                "count": 11339431,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.761834411,
                "variance": 7.627729311
              },
              {
                "average": 62952685.67,
                "count": 11339431,
                "maximum": 63573643.6,
                "minimum": 62718875.76,
                "name": "GpsTime",
                "position": 12,
                "stddev": 299044.2046,
                "variance": 89427436330.0
              },
              {
                "average": 0,
                "count": 11339431,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11339431,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11339431,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11339431,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11339431,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.6186,
              2374998.444,
              -12.7746507,
              580999.6386,
              2375998.444,
              235.2453493
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.6186350203,
                    2374998.443814827,
                    -12.774650698293144
                  ],
                  [
                    579999.6186350203,
                    2375998.443814827,
                    -12.774650698293144
                  ],
                  [
                    580999.6386350204,
                    2375998.443814827,
                    235.24534930170688
                  ],
                  [
                    580999.6386350204,
                    2374998.443814827,
                    235.24534930170688
                  ],
                  [
                    579999.6186350203,
                    2374998.443814827,
                    -12.774650698293144
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:07:23+00:00",
            "end_time": "2013-09-08T23:41:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8567.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.17993379673646,
              21.40324087545252,
              -6.300232042405199
            ],
            [
              -158.17988338032654,
              21.41227534831818,
              -6.300232042405199
            ],
            [
              -158.1702357147377,
              21.412227819920645,
              109.43976795759481
            ],
            [
              -158.17028671929071,
              21.403193369285358,
              109.43976795759481
            ],
            [
              -158.17993379673646,
              21.40324087545252,
              -6.300232042405199
            ]
          ]
        ]
      },
      "bbox": [
        -158.1799338,
        21.40319337,
        -6.300232042,
        -158.1702357,
        21.41227535,
        109.439768
      ],
      "properties": {
        "datetime": "2013-09-18T21:14:03Z",
        "pc:count": 12967411,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 585559.7952,
            "count": 12967411,
            "maximum": 585999.6442,
            "minimum": 584999.6442,
            "name": "X",
            "position": 0,
            "stddev": 261.3096334,
            "variance": 68282.72448
          },
          {
            "average": 2367505.029,
            "count": 12967411,
            "maximum": 2367998.474,
            "minimum": 2366998.454,
            "name": "Y",
            "position": 1,
            "stddev": 282.2685793,
            "variance": 79675.55086
          },
          {
            "average": 9.915578094,
            "count": 12967411,
            "maximum": 109.439768,
            "minimum": -6.300232042,
            "name": "Z",
            "position": 2,
            "stddev": 15.11731246,
            "variance": 228.5331359
          },
          {
            "average": 24.24396551,
            "count": 12967411,
            "maximum": 8482,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 55.62670395,
            "variance": 3094.330192
          },
          {
            "average": 1.515362781,
            "count": 12967411,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9249751584,
            "variance": 0.8555790436
          },
          {
            "average": 2.030051334,
            "count": 12967411,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.399040557,
            "variance": 1.95731448
          },
          {
            "average": 1,
            "count": 12967411,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12967411,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.278195856,
            "count": 12967411,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.833362065,
            "variance": 78.02828537
          },
          {
            "average": 20.10587179,
            "count": 12967411,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.788244792,
            "variance": 7.774309022
          },
          {
            "average": 90.3970498,
            "count": 12967411,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.77034997,
            "variance": 4458.279635
          },
          {
            "average": 5.807695229,
            "count": 12967411,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.846220466,
            "variance": 8.100970938
          },
          {
            "average": 62976276.22,
            "count": 12967411,
            "maximum": 63574043.93,
            "minimum": 62717525.77,
            "name": "GpsTime",
            "position": 12,
            "stddev": 357152.5074,
            "variance": 127557913500.0
          },
          {
            "average": 0,
            "count": 12967411,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12967411,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12967411,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12967411,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12967411,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          584999.6442,
          2366998.454,
          -6.300232042,
          585999.6442,
          2367998.474,
          109.439768
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                584999.6442198774,
                2366998.4536720132,
                -6.300232042405199
              ],
              [
                584999.6442198774,
                2367998.473672013,
                -6.300232042405199
              ],
              [
                585999.6442198774,
                2367998.473672013,
                109.43976795759481
              ],
              [
                585999.6442198774,
                2366998.4536720132,
                109.43976795759481
              ],
              [
                584999.6442198774,
                2366998.4536720132,
                -6.300232042405199
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:14:03+00:00",
        "end_time": "2013-09-08T23:18:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8567.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8567.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8567.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8567.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1799338,
            21.40319337,
            -6.300232042,
            -158.1702357,
            21.41227535,
            109.439768
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.17993379673646,
                  21.40324087545252,
                  -6.300232042405199
                ],
                [
                  -158.17988338032654,
                  21.41227534831818,
                  -6.300232042405199
                ],
                [
                  -158.1702357147377,
                  21.412227819920645,
                  109.43976795759481
                ],
                [
                  -158.17028671929071,
                  21.403193369285358,
                  109.43976795759481
                ],
                [
                  -158.17993379673646,
                  21.40324087545252,
                  -6.300232042405199
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8567.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8567.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:14:03Z",
            "pc:count": 12967411,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 585559.7952,
                "count": 12967411,
                "maximum": 585999.6442,
                "minimum": 584999.6442,
                "name": "X",
                "position": 0,
                "stddev": 261.3096334,
                "variance": 68282.72448
              },
              {
                "average": 2367505.029,
                "count": 12967411,
                "maximum": 2367998.474,
                "minimum": 2366998.454,
                "name": "Y",
                "position": 1,
                "stddev": 282.2685793,
                "variance": 79675.55086
              },
              {
                "average": 9.915578094,
                "count": 12967411,
                "maximum": 109.439768,
                "minimum": -6.300232042,
                "name": "Z",
                "position": 2,
                "stddev": 15.11731246,
                "variance": 228.5331359
              },
              {
                "average": 24.24396551,
                "count": 12967411,
                "maximum": 8482,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 55.62670395,
                "variance": 3094.330192
              },
              {
                "average": 1.515362781,
                "count": 12967411,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9249751584,
                "variance": 0.8555790436
              },
              {
                "average": 2.030051334,
                "count": 12967411,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.399040557,
                "variance": 1.95731448
              },
              {
                "average": 1,
                "count": 12967411,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12967411,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.278195856,
                "count": 12967411,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.833362065,
                "variance": 78.02828537
              },
              {
                "average": 20.10587179,
                "count": 12967411,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.788244792,
                "variance": 7.774309022
              },
              {
                "average": 90.3970498,
                "count": 12967411,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.77034997,
                "variance": 4458.279635
              },
              {
                "average": 5.807695229,
                "count": 12967411,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.846220466,
                "variance": 8.100970938
              },
              {
                "average": 62976276.22,
                "count": 12967411,
                "maximum": 63574043.93,
                "minimum": 62717525.77,
                "name": "GpsTime",
                "position": 12,
                "stddev": 357152.5074,
                "variance": 127557913500.0
              },
              {
                "average": 0,
                "count": 12967411,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12967411,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12967411,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12967411,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12967411,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              584999.6442,
              2366998.454,
              -6.300232042,
              585999.6442,
              2367998.474,
              109.439768
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    584999.6442198774,
                    2366998.4536720132,
                    -6.300232042405199
                  ],
                  [
                    584999.6442198774,
                    2367998.473672013,
                    -6.300232042405199
                  ],
                  [
                    585999.6442198774,
                    2367998.473672013,
                    109.43976795759481
                  ],
                  [
                    585999.6442198774,
                    2366998.4536720132,
                    109.43976795759481
                  ],
                  [
                    584999.6442198774,
                    2366998.4536720132,
                    -6.300232042405199
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:14:03+00:00",
            "end_time": "2013-09-08T23:18:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7585.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2756035361239,
              21.566304413732734,
              -23.806313785998185
            ],
            [
              -158.27555865675063,
              21.57533890008325,
              -23.806313785998185
            ],
            [
              -158.2658998103072,
              21.57529660619081,
              128.7936862140018
            ],
            [
              -158.26594528127973,
              21.56626214086465,
              128.7936862140018
            ],
            [
              -158.2756035361239,
              21.566304413732734,
              -23.806313785998185
            ]
          ]
        ]
      },
      "bbox": [
        -158.2756035,
        21.56626214,
        -23.80631379,
        -158.2658998,
        21.5753389,
        128.7936862
      ],
      "properties": {
        "datetime": "2013-09-12T18:48:09Z",
        "pc:count": 3719306,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 575477.0765,
            "count": 3719306,
            "maximum": 575999.5599,
            "minimum": 574999.5399,
            "name": "X",
            "position": 0,
            "stddev": 286.1357988,
            "variance": 81873.69534
          },
          {
            "average": 2385458.655,
            "count": 3719306,
            "maximum": 2385998.489,
            "minimum": 2384998.469,
            "name": "Y",
            "position": 1,
            "stddev": 280.4797906,
            "variance": 78668.91292
          },
          {
            "average": 21.72918638,
            "count": 3719306,
            "maximum": 128.7936862,
            "minimum": -23.80631379,
            "name": "Z",
            "position": 2,
            "stddev": 34.41473159,
            "variance": 1184.373751
          },
          {
            "average": 17.97841237,
            "count": 3719306,
            "maximum": 7252,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 71.99908441,
            "variance": 5183.868156
          },
          {
            "average": 1.118265074,
            "count": 3719306,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3732854331,
            "variance": 0.1393420145
          },
          {
            "average": 1.22462739,
            "count": 3719306,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5337751697,
            "variance": 0.2849159318
          },
          {
            "average": 1,
            "count": 3719306,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3719306,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.15847177,
            "count": 3719306,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.71448608,
            "variance": 188.0871284
          },
          {
            "average": 18.85207751,
            "count": 3719306,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.812217595,
            "variance": 33.78187337
          },
          {
            "average": 98.66608771,
            "count": 3719306,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 72.01859347,
            "variance": 5186.677805
          },
          {
            "average": 3.205027228,
            "count": 3719306,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.737191919,
            "variance": 3.017835763
          },
          {
            "average": 63027351.37,
            "count": 3719306,
            "maximum": 63046889.28,
            "minimum": 62965180.53,
            "name": "GpsTime",
            "position": 12,
            "stddev": 32935.8529,
            "variance": 1084770406
          },
          {
            "average": 0,
            "count": 3719306,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3719306,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3719306,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3719306,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3719306,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          574999.5399,
          2384998.469,
          -23.80631379,
          575999.5599,
          2385998.489,
          128.7936862
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                574999.5398789551,
                2384998.468963169,
                -23.806313785998185
              ],
              [
                574999.5398789551,
                2385998.4889631686,
                -23.806313785998185
              ],
              [
                575999.5598789551,
                2385998.4889631686,
                128.7936862140018
              ],
              [
                575999.5598789551,
                2384998.468963169,
                128.7936862140018
              ],
              [
                574999.5398789551,
                2384998.468963169,
                -23.806313785998185
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:48:09+00:00",
        "end_time": "2013-09-11T20:06:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7585.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7585.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7585.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7585.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2756035,
            21.56626214,
            -23.80631379,
            -158.2658998,
            21.5753389,
            128.7936862
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2756035361239,
                  21.566304413732734,
                  -23.806313785998185
                ],
                [
                  -158.27555865675063,
                  21.57533890008325,
                  -23.806313785998185
                ],
                [
                  -158.2658998103072,
                  21.57529660619081,
                  128.7936862140018
                ],
                [
                  -158.26594528127973,
                  21.56626214086465,
                  128.7936862140018
                ],
                [
                  -158.2756035361239,
                  21.566304413732734,
                  -23.806313785998185
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7585.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7585.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:48:09Z",
            "pc:count": 3719306,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 575477.0765,
                "count": 3719306,
                "maximum": 575999.5599,
                "minimum": 574999.5399,
                "name": "X",
                "position": 0,
                "stddev": 286.1357988,
                "variance": 81873.69534
              },
              {
                "average": 2385458.655,
                "count": 3719306,
                "maximum": 2385998.489,
                "minimum": 2384998.469,
                "name": "Y",
                "position": 1,
                "stddev": 280.4797906,
                "variance": 78668.91292
              },
              {
                "average": 21.72918638,
                "count": 3719306,
                "maximum": 128.7936862,
                "minimum": -23.80631379,
                "name": "Z",
                "position": 2,
                "stddev": 34.41473159,
                "variance": 1184.373751
              },
              {
                "average": 17.97841237,
                "count": 3719306,
                "maximum": 7252,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 71.99908441,
                "variance": 5183.868156
              },
              {
                "average": 1.118265074,
                "count": 3719306,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3732854331,
                "variance": 0.1393420145
              },
              {
                "average": 1.22462739,
                "count": 3719306,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5337751697,
                "variance": 0.2849159318
              },
              {
                "average": 1,
                "count": 3719306,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3719306,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.15847177,
                "count": 3719306,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.71448608,
                "variance": 188.0871284
              },
              {
                "average": 18.85207751,
                "count": 3719306,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.812217595,
                "variance": 33.78187337
              },
              {
                "average": 98.66608771,
                "count": 3719306,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 72.01859347,
                "variance": 5186.677805
              },
              {
                "average": 3.205027228,
                "count": 3719306,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.737191919,
                "variance": 3.017835763
              },
              {
                "average": 63027351.37,
                "count": 3719306,
                "maximum": 63046889.28,
                "minimum": 62965180.53,
                "name": "GpsTime",
                "position": 12,
                "stddev": 32935.8529,
                "variance": 1084770406
              },
              {
                "average": 0,
                "count": 3719306,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3719306,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3719306,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3719306,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3719306,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              574999.5399,
              2384998.469,
              -23.80631379,
              575999.5599,
              2385998.489,
              128.7936862
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    574999.5398789551,
                    2384998.468963169,
                    -23.806313785998185
                  ],
                  [
                    574999.5398789551,
                    2385998.4889631686,
                    -23.806313785998185
                  ],
                  [
                    575999.5598789551,
                    2385998.4889631686,
                    128.7936862140018
                  ],
                  [
                    575999.5598789551,
                    2384998.468963169,
                    128.7936862140018
                  ],
                  [
                    574999.5398789551,
                    2384998.468963169,
                    -23.806313785998185
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:48:09+00:00",
            "end_time": "2013-09-11T20:06:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7586.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.27555869339872,
              21.57533884954842,
              -34.05441750790101
            ],
            [
              -158.27551378480152,
              21.58437314702482,
              -34.05441750790101
            ],
            [
              -158.26585434145395,
              21.584330833245346,
              35.46558249209899
            ],
            [
              -158.26589984695855,
              21.575296555658205,
              35.46558249209899
            ],
            [
              -158.27555869339872,
              21.57533884954842,
              -34.05441750790101
            ]
          ]
        ]
      },
      "bbox": [
        -158.2755587,
        21.57529656,
        -34.05441751,
        -158.2658543,
        21.58437315,
        35.46558249
      ],
      "properties": {
        "datetime": "2013-11-04T20:20:27Z",
        "pc:count": 3027124,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 575538.0863,
            "count": 3027124,
            "maximum": 575999.5561,
            "minimum": 574999.5361,
            "name": "X",
            "position": 0,
            "stddev": 290.1468872,
            "variance": 84185.21615
          },
          {
            "average": 2386370.715,
            "count": 3027124,
            "maximum": 2386998.483,
            "minimum": 2385998.483,
            "name": "Y",
            "position": 1,
            "stddev": 221.597248,
            "variance": 49105.34031
          },
          {
            "average": -7.569551397,
            "count": 3027124,
            "maximum": 35.46558249,
            "minimum": -34.05441751,
            "name": "Z",
            "position": 2,
            "stddev": 9.560509345,
            "variance": 91.40333894
          },
          {
            "average": 65.14086902,
            "count": 3027124,
            "maximum": 2912,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 157.5171492,
            "variance": 24811.65229
          },
          {
            "average": 1.035782809,
            "count": 3027124,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1989019874,
            "variance": 0.03956200059
          },
          {
            "average": 1.064841744,
            "count": 3027124,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2766912355,
            "variance": 0.07655803979
          },
          {
            "average": 1,
            "count": 3027124,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3027124,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 24.87850382,
            "count": 3027124,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.842301396,
            "variance": 96.87089677
          },
          {
            "average": 16.64952263,
            "count": 3027124,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.933585304,
            "variance": 62.94177578
          },
          {
            "average": 119.3288656,
            "count": 3027124,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 83.90155072,
            "variance": 7039.470214
          },
          {
            "average": 4.771423305,
            "count": 3027124,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.363848748,
            "variance": 11.3154784
          },
          {
            "average": 64115710.97,
            "count": 3027124,
            "maximum": 67631627.54,
            "minimum": 62867201.66,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2061727.143,
            "variance": 4250718814000.0
          },
          {
            "average": 0,
            "count": 3027124,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3027124,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3027124,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3027124,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3027124,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          574999.5361,
          2385998.483,
          -34.05441751,
          575999.5561,
          2386998.483,
          35.46558249
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                574999.5361107183,
                2385998.483351985,
                -34.05441750790101
              ],
              [
                574999.5361107183,
                2386998.483351985,
                -34.05441750790101
              ],
              [
                575999.5561107183,
                2386998.483351985,
                35.46558249209899
              ],
              [
                575999.5561107183,
                2385998.483351985,
                35.46558249209899
              ],
              [
                574999.5361107183,
                2385998.483351985,
                -34.05441750790101
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:20:27+00:00",
        "end_time": "2013-09-10T16:53:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7586.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7586.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7586.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7586.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2755587,
            21.57529656,
            -34.05441751,
            -158.2658543,
            21.58437315,
            35.46558249
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.27555869339872,
                  21.57533884954842,
                  -34.05441750790101
                ],
                [
                  -158.27551378480152,
                  21.58437314702482,
                  -34.05441750790101
                ],
                [
                  -158.26585434145395,
                  21.584330833245346,
                  35.46558249209899
                ],
                [
                  -158.26589984695855,
                  21.575296555658205,
                  35.46558249209899
                ],
                [
                  -158.27555869339872,
                  21.57533884954842,
                  -34.05441750790101
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7586.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7586.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:20:27Z",
            "pc:count": 3027124,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 575538.0863,
                "count": 3027124,
                "maximum": 575999.5561,
                "minimum": 574999.5361,
                "name": "X",
                "position": 0,
                "stddev": 290.1468872,
                "variance": 84185.21615
              },
              {
                "average": 2386370.715,
                "count": 3027124,
                "maximum": 2386998.483,
                "minimum": 2385998.483,
                "name": "Y",
                "position": 1,
                "stddev": 221.597248,
                "variance": 49105.34031
              },
              {
                "average": -7.569551397,
                "count": 3027124,
                "maximum": 35.46558249,
                "minimum": -34.05441751,
                "name": "Z",
                "position": 2,
                "stddev": 9.560509345,
                "variance": 91.40333894
              },
              {
                "average": 65.14086902,
                "count": 3027124,
                "maximum": 2912,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 157.5171492,
                "variance": 24811.65229
              },
              {
                "average": 1.035782809,
                "count": 3027124,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1989019874,
                "variance": 0.03956200059
              },
              {
                "average": 1.064841744,
                "count": 3027124,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2766912355,
                "variance": 0.07655803979
              },
              {
                "average": 1,
                "count": 3027124,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3027124,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 24.87850382,
                "count": 3027124,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.842301396,
                "variance": 96.87089677
              },
              {
                "average": 16.64952263,
                "count": 3027124,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.933585304,
                "variance": 62.94177578
              },
              {
                "average": 119.3288656,
                "count": 3027124,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 83.90155072,
                "variance": 7039.470214
              },
              {
                "average": 4.771423305,
                "count": 3027124,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.363848748,
                "variance": 11.3154784
              },
              {
                "average": 64115710.97,
                "count": 3027124,
                "maximum": 67631627.54,
                "minimum": 62867201.66,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2061727.143,
                "variance": 4250718814000.0
              },
              {
                "average": 0,
                "count": 3027124,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3027124,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3027124,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3027124,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3027124,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              574999.5361,
              2385998.483,
              -34.05441751,
              575999.5561,
              2386998.483,
              35.46558249
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    574999.5361107183,
                    2385998.483351985,
                    -34.05441750790101
                  ],
                  [
                    574999.5361107183,
                    2386998.483351985,
                    -34.05441750790101
                  ],
                  [
                    575999.5561107183,
                    2386998.483351985,
                    35.46558249209899
                  ],
                  [
                    575999.5561107183,
                    2385998.483351985,
                    35.46558249209899
                  ],
                  [
                    574999.5361107183,
                    2385998.483351985,
                    -34.05441750790101
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:20:27+00:00",
            "end_time": "2013-09-10T16:53:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7587.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.27551377996306,
              21.58437310740859,
              -36.77317221670465
            ],
            [
              -158.27548825578887,
              21.589505487619917,
              -36.77317221670465
            ],
            [
              -158.2658286660482,
              21.58946316347136,
              -25.77317221670465
            ],
            [
              -158.26585452980325,
              21.58433079448067,
              -25.77317221670465
            ],
            [
              -158.27551377996306,
              21.58437310740859,
              -36.77317221670465
            ]
          ]
        ]
      },
      "bbox": [
        -158.2755138,
        21.58433079,
        -36.77317222,
        -158.2658287,
        21.58950549,
        -25.77317222
      ],
      "properties": {
        "datetime": "2013-09-10T17:47:01Z",
        "pc:count": 297484,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 575567.8002,
            "count": 297484,
            "maximum": 575999.5366,
            "minimum": 574999.5366,
            "name": "X",
            "position": 0,
            "stddev": 289.3032056,
            "variance": 83696.34477
          },
          {
            "average": 2387228.804,
            "count": 297484,
            "maximum": 2387566.579,
            "minimum": 2386998.479,
            "name": "Y",
            "position": 1,
            "stddev": 143.4521815,
            "variance": 20578.52837
          },
          {
            "average": -32.90139804,
            "count": 297484,
            "maximum": -25.77317222,
            "minimum": -36.77317222,
            "name": "Z",
            "position": 2,
            "stddev": 1.806462359,
            "variance": 3.263306255
          },
          {
            "average": 1022.79527,
            "count": 297484,
            "maximum": 1958,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 329.8993638,
            "variance": 108833.5902
          },
          {
            "average": 1.001166449,
            "count": 297484,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03413345281,
            "variance": 0.001165092601
          },
          {
            "average": 1.001166449,
            "count": 297484,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03413345281,
            "variance": 0.001165092601
          },
          {
            "average": 1,
            "count": 297484,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 297484,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 297484,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.061939226,
            "count": 297484,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.601181946,
            "variance": 92.18269475
          },
          {
            "average": 249.0624471,
            "count": 297484,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.2428121197,
            "variance": 0.05895772545
          },
          {
            "average": 7.861612725,
            "count": 297484,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7425829257,
            "variance": 0.5514294016
          },
          {
            "average": 62869938.18,
            "count": 297484,
            "maximum": 62870421.87,
            "minimum": 62869059.17,
            "name": "GpsTime",
            "position": 12,
            "stddev": 399.4151716,
            "variance": 159532.4793
          },
          {
            "average": 0,
            "count": 297484,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 297484,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 297484,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 297484,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 297484,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          574999.5366,
          2386998.479,
          -36.77317222,
          575999.5366,
          2387566.579,
          -25.77317222
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                574999.5366320142,
                2386998.478969315,
                -36.77317221670465
              ],
              [
                574999.5366320142,
                2387566.5789693147,
                -36.77317221670465
              ],
              [
                575999.5366320142,
                2387566.5789693147,
                -25.77317221670465
              ],
              [
                575999.5366320142,
                2386998.478969315,
                -25.77317221670465
              ],
              [
                574999.5366320142,
                2386998.478969315,
                -36.77317221670465
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:47:01+00:00",
        "end_time": "2013-09-10T17:24:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7587.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7587.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7587.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7587.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2755138,
            21.58433079,
            -36.77317222,
            -158.2658287,
            21.58950549,
            -25.77317222
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.27551377996306,
                  21.58437310740859,
                  -36.77317221670465
                ],
                [
                  -158.27548825578887,
                  21.589505487619917,
                  -36.77317221670465
                ],
                [
                  -158.2658286660482,
                  21.58946316347136,
                  -25.77317221670465
                ],
                [
                  -158.26585452980325,
                  21.58433079448067,
                  -25.77317221670465
                ],
                [
                  -158.27551377996306,
                  21.58437310740859,
                  -36.77317221670465
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7587.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7587.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:47:01Z",
            "pc:count": 297484,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 575567.8002,
                "count": 297484,
                "maximum": 575999.5366,
                "minimum": 574999.5366,
                "name": "X",
                "position": 0,
                "stddev": 289.3032056,
                "variance": 83696.34477
              },
              {
                "average": 2387228.804,
                "count": 297484,
                "maximum": 2387566.579,
                "minimum": 2386998.479,
                "name": "Y",
                "position": 1,
                "stddev": 143.4521815,
                "variance": 20578.52837
              },
              {
                "average": -32.90139804,
                "count": 297484,
                "maximum": -25.77317222,
                "minimum": -36.77317222,
                "name": "Z",
                "position": 2,
                "stddev": 1.806462359,
                "variance": 3.263306255
              },
              {
                "average": 1022.79527,
                "count": 297484,
                "maximum": 1958,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 329.8993638,
                "variance": 108833.5902
              },
              {
                "average": 1.001166449,
                "count": 297484,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03413345281,
                "variance": 0.001165092601
              },
              {
                "average": 1.001166449,
                "count": 297484,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03413345281,
                "variance": 0.001165092601
              },
              {
                "average": 1,
                "count": 297484,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 297484,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 297484,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.061939226,
                "count": 297484,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.601181946,
                "variance": 92.18269475
              },
              {
                "average": 249.0624471,
                "count": 297484,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.2428121197,
                "variance": 0.05895772545
              },
              {
                "average": 7.861612725,
                "count": 297484,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7425829257,
                "variance": 0.5514294016
              },
              {
                "average": 62869938.18,
                "count": 297484,
                "maximum": 62870421.87,
                "minimum": 62869059.17,
                "name": "GpsTime",
                "position": 12,
                "stddev": 399.4151716,
                "variance": 159532.4793
              },
              {
                "average": 0,
                "count": 297484,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 297484,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 297484,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 297484,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 297484,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              574999.5366,
              2386998.479,
              -36.77317222,
              575999.5366,
              2387566.579,
              -25.77317222
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    574999.5366320142,
                    2386998.478969315,
                    -36.77317221670465
                  ],
                  [
                    574999.5366320142,
                    2387566.5789693147,
                    -36.77317221670465
                  ],
                  [
                    575999.5366320142,
                    2387566.5789693147,
                    -25.77317221670465
                  ],
                  [
                    575999.5366320142,
                    2386998.478969315,
                    -25.77317221670465
                  ],
                  [
                    574999.5366320142,
                    2386998.478969315,
                    -36.77317221670465
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:47:01+00:00",
            "end_time": "2013-09-10T17:24:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7682.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2577275109655,
              21.54700666262507,
              -56.09262077581475
            ],
            [
              -158.2577216649882,
              21.54815654770926,
              -56.09262077581475
            ],
            [
              -158.256379169333,
              21.548150565972687,
              -32.59262077581475
            ],
            [
              -158.25638502586585,
              21.547000681245574,
              -32.59262077581475
            ],
            [
              -158.2577275109655,
              21.54700666262507,
              -56.09262077581475
            ]
          ]
        ]
      },
      "bbox": [
        -158.2577275,
        21.54700068,
        -56.09262078,
        -158.2563792,
        21.54815655,
        -32.59262078
      ],
      "properties": {
        "datetime": "2013-09-11T21:41:41Z",
        "pc:count": 2063,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 576961.526,
            "count": 2063,
            "maximum": 576999.5741,
            "minimum": 576860.5541,
            "name": "X",
            "position": 0,
            "stddev": 33.25861264,
            "variance": 1106.135315
          },
          {
            "average": 2382957.051,
            "count": 2063,
            "maximum": 2382998.449,
            "minimum": 2382871.169,
            "name": "Y",
            "position": 1,
            "stddev": 35.48304849,
            "variance": 1259.04673
          },
          {
            "average": -42.74791889,
            "count": 2063,
            "maximum": -32.59262078,
            "minimum": -56.09262078,
            "name": "Z",
            "position": 2,
            "stddev": 7.656235194,
            "variance": 58.61793734
          },
          {
            "average": 718.763936,
            "count": 2063,
            "maximum": 4315,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 738.9982209,
            "variance": 546118.3705
          },
          {
            "average": 1,
            "count": 2063,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 2063,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 2063,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2063,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2063,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.2272079,
            "count": 2063,
            "maximum": 22.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.859065221,
            "variance": 61.76490614
          },
          {
            "average": 249.0063015,
            "count": 2063,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.07915068217,
            "variance": 0.006264830488
          },
          {
            "average": 3.718371304,
            "count": 2063,
            "maximum": 5,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.798693686,
            "variance": 0.6379116041
          },
          {
            "average": 62970243.08,
            "count": 2063,
            "maximum": 62970901.27,
            "minimum": 62969867.69,
            "name": "GpsTime",
            "position": 12,
            "stddev": 412.6527134,
            "variance": 170282.2619
          },
          {
            "average": 0,
            "count": 2063,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2063,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2063,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2063,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2063,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          576860.5541,
          2382871.169,
          -56.09262078,
          576999.5741,
          2382998.449,
          -32.59262078
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                576860.5540575616,
                2382871.1687039724,
                -56.09262077581475
              ],
              [
                576860.5540575616,
                2382998.4487039726,
                -56.09262077581475
              ],
              [
                576999.5740575616,
                2382998.4487039726,
                -32.59262077581475
              ],
              [
                576999.5740575616,
                2382871.1687039724,
                -32.59262077581475
              ],
              [
                576860.5540575616,
                2382871.1687039724,
                -56.09262077581475
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T21:41:41+00:00",
        "end_time": "2013-09-11T21:24:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7682.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7682.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7682.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7682.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2577275,
            21.54700068,
            -56.09262078,
            -158.2563792,
            21.54815655,
            -32.59262078
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2577275109655,
                  21.54700666262507,
                  -56.09262077581475
                ],
                [
                  -158.2577216649882,
                  21.54815654770926,
                  -56.09262077581475
                ],
                [
                  -158.256379169333,
                  21.548150565972687,
                  -32.59262077581475
                ],
                [
                  -158.25638502586585,
                  21.547000681245574,
                  -32.59262077581475
                ],
                [
                  -158.2577275109655,
                  21.54700666262507,
                  -56.09262077581475
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7682.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7682.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T21:41:41Z",
            "pc:count": 2063,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 576961.526,
                "count": 2063,
                "maximum": 576999.5741,
                "minimum": 576860.5541,
                "name": "X",
                "position": 0,
                "stddev": 33.25861264,
                "variance": 1106.135315
              },
              {
                "average": 2382957.051,
                "count": 2063,
                "maximum": 2382998.449,
                "minimum": 2382871.169,
                "name": "Y",
                "position": 1,
                "stddev": 35.48304849,
                "variance": 1259.04673
              },
              {
                "average": -42.74791889,
                "count": 2063,
                "maximum": -32.59262078,
                "minimum": -56.09262078,
                "name": "Z",
                "position": 2,
                "stddev": 7.656235194,
                "variance": 58.61793734
              },
              {
                "average": 718.763936,
                "count": 2063,
                "maximum": 4315,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 738.9982209,
                "variance": 546118.3705
              },
              {
                "average": 1,
                "count": 2063,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 2063,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 2063,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2063,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2063,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.2272079,
                "count": 2063,
                "maximum": 22.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.859065221,
                "variance": 61.76490614
              },
              {
                "average": 249.0063015,
                "count": 2063,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.07915068217,
                "variance": 0.006264830488
              },
              {
                "average": 3.718371304,
                "count": 2063,
                "maximum": 5,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.798693686,
                "variance": 0.6379116041
              },
              {
                "average": 62970243.08,
                "count": 2063,
                "maximum": 62970901.27,
                "minimum": 62969867.69,
                "name": "GpsTime",
                "position": 12,
                "stddev": 412.6527134,
                "variance": 170282.2619
              },
              {
                "average": 0,
                "count": 2063,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2063,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2063,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2063,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2063,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              576860.5541,
              2382871.169,
              -56.09262078,
              576999.5741,
              2382998.449,
              -32.59262078
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    576860.5540575616,
                    2382871.1687039724,
                    -56.09262077581475
                  ],
                  [
                    576860.5540575616,
                    2382998.4487039726,
                    -56.09262077581475
                  ],
                  [
                    576999.5740575616,
                    2382998.4487039726,
                    -32.59262077581475
                  ],
                  [
                    576999.5740575616,
                    2382871.1687039724,
                    -32.59262077581475
                  ],
                  [
                    576860.5540575616,
                    2382871.1687039724,
                    -56.09262077581475
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T21:41:41+00:00",
            "end_time": "2013-09-11T21:24:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7683.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.26603616079672,
              21.548193530395956,
              -58.81047135751386
            ],
            [
              -158.26599073050917,
              21.55722783722013,
              -58.81047135751386
            ],
            [
              -158.25633307950343,
              21.557185028846746,
              -10.050471357513867
            ],
            [
              -158.25637910649695,
              21.548150742072515,
              -10.050471357513867
            ],
            [
              -158.26603616079672,
              21.548193530395956,
              -58.81047135751386
            ]
          ]
        ]
      },
      "bbox": [
        -158.2660362,
        21.54815074,
        -58.81047136,
        -158.2563331,
        21.55722784,
        -10.05047136
      ],
      "properties": {
        "datetime": "2013-09-12T18:47:44Z",
        "pc:count": 796673,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 576641.9621,
            "count": 796673,
            "maximum": 576999.5805,
            "minimum": 575999.5605,
            "name": "X",
            "position": 0,
            "stddev": 265.5119426,
            "variance": 70496.59164
          },
          {
            "average": 2383678.999,
            "count": 796673,
            "maximum": 2383998.468,
            "minimum": 2382998.468,
            "name": "Y",
            "position": 1,
            "stddev": 228.8055362,
            "variance": 52351.97341
          },
          {
            "average": -22.98021628,
            "count": 796673,
            "maximum": -10.05047136,
            "minimum": -58.81047136,
            "name": "Z",
            "position": 2,
            "stddev": 8.390656411,
            "variance": 70.40311502
          },
          {
            "average": 644.9171768,
            "count": 796673,
            "maximum": 8986,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 841.3109525,
            "variance": 707804.1187
          },
          {
            "average": 1.00616062,
            "count": 796673,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07899788455,
            "variance": 0.006240665763
          },
          {
            "average": 1.011158907,
            "count": 796673,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1070686022,
            "variance": 0.01146368558
          },
          {
            "average": 1,
            "count": 796673,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 796673,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 796673,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.07083938,
            "count": 796673,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.678278855,
            "variance": 93.6690816
          },
          {
            "average": 216.9538129,
            "count": 796673,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 68.76020874,
            "variance": 4727.966305
          },
          {
            "average": 5.185942036,
            "count": 796673,
            "maximum": 7,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9214745876,
            "variance": 0.8491154157
          },
          {
            "average": 62999941.61,
            "count": 796673,
            "maximum": 63046864.72,
            "minimum": 62969849.75,
            "name": "GpsTime",
            "position": 12,
            "stddev": 36785.24937,
            "variance": 1353154571
          },
          {
            "average": 0,
            "count": 796673,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 796673,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 796673,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 796673,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 796673,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          575999.5605,
          2382998.468,
          -58.81047136,
          576999.5805,
          2383998.468,
          -10.05047136
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                575999.5604714261,
                2382998.4682269255,
                -58.81047135751386
              ],
              [
                575999.5604714261,
                2383998.4682269255,
                -58.81047135751386
              ],
              [
                576999.5804714261,
                2383998.4682269255,
                -10.050471357513867
              ],
              [
                576999.5804714261,
                2382998.4682269255,
                -10.050471357513867
              ],
              [
                575999.5604714261,
                2382998.4682269255,
                -58.81047135751386
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:47:44+00:00",
        "end_time": "2013-09-11T21:24:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7683.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7683.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7683.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7683.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2660362,
            21.54815074,
            -58.81047136,
            -158.2563331,
            21.55722784,
            -10.05047136
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.26603616079672,
                  21.548193530395956,
                  -58.81047135751386
                ],
                [
                  -158.26599073050917,
                  21.55722783722013,
                  -58.81047135751386
                ],
                [
                  -158.25633307950343,
                  21.557185028846746,
                  -10.050471357513867
                ],
                [
                  -158.25637910649695,
                  21.548150742072515,
                  -10.050471357513867
                ],
                [
                  -158.26603616079672,
                  21.548193530395956,
                  -58.81047135751386
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7683.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7683.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:47:44Z",
            "pc:count": 796673,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 576641.9621,
                "count": 796673,
                "maximum": 576999.5805,
                "minimum": 575999.5605,
                "name": "X",
                "position": 0,
                "stddev": 265.5119426,
                "variance": 70496.59164
              },
              {
                "average": 2383678.999,
                "count": 796673,
                "maximum": 2383998.468,
                "minimum": 2382998.468,
                "name": "Y",
                "position": 1,
                "stddev": 228.8055362,
                "variance": 52351.97341
              },
              {
                "average": -22.98021628,
                "count": 796673,
                "maximum": -10.05047136,
                "minimum": -58.81047136,
                "name": "Z",
                "position": 2,
                "stddev": 8.390656411,
                "variance": 70.40311502
              },
              {
                "average": 644.9171768,
                "count": 796673,
                "maximum": 8986,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 841.3109525,
                "variance": 707804.1187
              },
              {
                "average": 1.00616062,
                "count": 796673,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07899788455,
                "variance": 0.006240665763
              },
              {
                "average": 1.011158907,
                "count": 796673,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1070686022,
                "variance": 0.01146368558
              },
              {
                "average": 1,
                "count": 796673,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 796673,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 796673,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.07083938,
                "count": 796673,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.678278855,
                "variance": 93.6690816
              },
              {
                "average": 216.9538129,
                "count": 796673,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 68.76020874,
                "variance": 4727.966305
              },
              {
                "average": 5.185942036,
                "count": 796673,
                "maximum": 7,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9214745876,
                "variance": 0.8491154157
              },
              {
                "average": 62999941.61,
                "count": 796673,
                "maximum": 63046864.72,
                "minimum": 62969849.75,
                "name": "GpsTime",
                "position": 12,
                "stddev": 36785.24937,
                "variance": 1353154571
              },
              {
                "average": 0,
                "count": 796673,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 796673,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 796673,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 796673,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 796673,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              575999.5605,
              2382998.468,
              -58.81047136,
              576999.5805,
              2383998.468,
              -10.05047136
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    575999.5604714261,
                    2382998.4682269255,
                    -58.81047135751386
                  ],
                  [
                    575999.5604714261,
                    2383998.4682269255,
                    -58.81047135751386
                  ],
                  [
                    576999.5804714261,
                    2383998.4682269255,
                    -10.050471357513867
                  ],
                  [
                    576999.5804714261,
                    2382998.4682269255,
                    -10.050471357513867
                  ],
                  [
                    575999.5604714261,
                    2382998.4682269255,
                    -58.81047135751386
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:47:44+00:00",
            "end_time": "2013-09-11T21:24:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8076.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.22774229557643,
              21.48477896304843,
              4.638254951132893
            ],
            [
              -158.22769466042874,
              21.493813255273082,
              4.638254951132893
            ],
            [
              -158.22519582887315,
              21.493801687872516,
              231.7782549511329
            ],
            [
              -158.22524361745906,
              21.484767401332864,
              231.7782549511329
            ],
            [
              -158.22774229557643,
              21.48477896304843,
              4.638254951132893
            ]
          ]
        ]
      },
      "bbox": [
        -158.2277423,
        21.4847674,
        4.638254951,
        -158.2251958,
        21.49381326,
        231.778255
      ],
      "properties": {
        "datetime": "2013-09-18T20:27:45Z",
        "pc:count": 2625430,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580096.4692,
            "count": 2625430,
            "maximum": 580258.4762,
            "minimum": 579999.6162,
            "name": "X",
            "position": 0,
            "stddev": 70.68663081,
            "variance": 4996.599775
          },
          {
            "average": 2376485.431,
            "count": 2625430,
            "maximum": 2376998.444,
            "minimum": 2375998.444,
            "name": "Y",
            "position": 1,
            "stddev": 309.6628031,
            "variance": 95891.05164
          },
          {
            "average": 75.5477509,
            "count": 2625430,
            "maximum": 231.778255,
            "minimum": 4.638254951,
            "name": "Z",
            "position": 2,
            "stddev": 52.40543067,
            "variance": 2746.329164
          },
          {
            "average": 17.73424011,
            "count": 2625430,
            "maximum": 692,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 34.63450123,
            "variance": 1199.548676
          },
          {
            "average": 1.424216224,
            "count": 2625430,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.824193635,
            "variance": 0.6792951479
          },
          {
            "average": 1.848310562,
            "count": 2625430,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.251316101,
            "variance": 1.565791984
          },
          {
            "average": 1,
            "count": 2625430,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2625430,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.196283656,
            "count": 2625430,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3971856527,
            "variance": 0.1577564427
          },
          {
            "average": 20.98080219,
            "count": 2625430,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.529814199,
            "variance": 20.51921668
          },
          {
            "average": 90.49967205,
            "count": 2625430,
            "maximum": 210,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.63270311,
            "variance": 4307.651718
          },
          {
            "average": 2.665656673,
            "count": 2625430,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.133005416,
            "variance": 4.549712104
          },
          {
            "average": 63001529.33,
            "count": 2625430,
            "maximum": 63571265.47,
            "minimum": 62719644.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 101478.4302,
            "variance": 10297871800.0
          },
          {
            "average": 0,
            "count": 2625430,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2625430,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2625430,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2625430,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2625430,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.6162,
          2375998.444,
          4.638254951,
          580258.4762,
          2376998.444,
          231.778255
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.6161739209,
                2375998.443958507,
                4.638254951132893
              ],
              [
                579999.6161739209,
                2376998.443958507,
                4.638254951132893
              ],
              [
                580258.476173921,
                2376998.443958507,
                231.7782549511329
              ],
              [
                580258.476173921,
                2375998.443958507,
                231.7782549511329
              ],
              [
                579999.6161739209,
                2375998.443958507,
                4.638254951132893
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:27:45+00:00",
        "end_time": "2013-09-08T23:54:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8076.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8076.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8076.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8076.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2277423,
            21.4847674,
            4.638254951,
            -158.2251958,
            21.49381326,
            231.778255
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.22774229557643,
                  21.48477896304843,
                  4.638254951132893
                ],
                [
                  -158.22769466042874,
                  21.493813255273082,
                  4.638254951132893
                ],
                [
                  -158.22519582887315,
                  21.493801687872516,
                  231.7782549511329
                ],
                [
                  -158.22524361745906,
                  21.484767401332864,
                  231.7782549511329
                ],
                [
                  -158.22774229557643,
                  21.48477896304843,
                  4.638254951132893
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8076.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8076.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:27:45Z",
            "pc:count": 2625430,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580096.4692,
                "count": 2625430,
                "maximum": 580258.4762,
                "minimum": 579999.6162,
                "name": "X",
                "position": 0,
                "stddev": 70.68663081,
                "variance": 4996.599775
              },
              {
                "average": 2376485.431,
                "count": 2625430,
                "maximum": 2376998.444,
                "minimum": 2375998.444,
                "name": "Y",
                "position": 1,
                "stddev": 309.6628031,
                "variance": 95891.05164
              },
              {
                "average": 75.5477509,
                "count": 2625430,
                "maximum": 231.778255,
                "minimum": 4.638254951,
                "name": "Z",
                "position": 2,
                "stddev": 52.40543067,
                "variance": 2746.329164
              },
              {
                "average": 17.73424011,
                "count": 2625430,
                "maximum": 692,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 34.63450123,
                "variance": 1199.548676
              },
              {
                "average": 1.424216224,
                "count": 2625430,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.824193635,
                "variance": 0.6792951479
              },
              {
                "average": 1.848310562,
                "count": 2625430,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.251316101,
                "variance": 1.565791984
              },
              {
                "average": 1,
                "count": 2625430,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2625430,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.196283656,
                "count": 2625430,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3971856527,
                "variance": 0.1577564427
              },
              {
                "average": 20.98080219,
                "count": 2625430,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.529814199,
                "variance": 20.51921668
              },
              {
                "average": 90.49967205,
                "count": 2625430,
                "maximum": 210,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.63270311,
                "variance": 4307.651718
              },
              {
                "average": 2.665656673,
                "count": 2625430,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.133005416,
                "variance": 4.549712104
              },
              {
                "average": 63001529.33,
                "count": 2625430,
                "maximum": 63571265.47,
                "minimum": 62719644.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 101478.4302,
                "variance": 10297871800.0
              },
              {
                "average": 0,
                "count": 2625430,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2625430,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2625430,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2625430,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2625430,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.6162,
              2375998.444,
              4.638254951,
              580258.4762,
              2376998.444,
              231.778255
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.6161739209,
                    2375998.443958507,
                    4.638254951132893
                  ],
                  [
                    579999.6161739209,
                    2376998.443958507,
                    4.638254951132893
                  ],
                  [
                    580258.476173921,
                    2376998.443958507,
                    231.7782549511329
                  ],
                  [
                    580258.476173921,
                    2375998.443958507,
                    231.7782549511329
                  ],
                  [
                    579999.6161739209,
                    2375998.443958507,
                    4.638254951132893
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:27:45+00:00",
            "end_time": "2013-09-08T23:54:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9060.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1320711215581,
              21.33975842763257,
              -7.858684404658664
            ],
            [
              -158.13201796080452,
              21.348792834339044,
              -7.858684404658664
            ],
            [
              -158.1223745152318,
              21.348742744641314,
              69.78131559534134
            ],
            [
              -158.12242826590594,
              21.3397083622587,
              69.78131559534134
            ],
            [
              -158.1320711215581,
              21.33975842763257,
              -7.858684404658664
            ]
          ]
        ]
      },
      "bbox": [
        -158.1320711,
        21.33970836,
        -7.858684405,
        -158.1223745,
        21.34879283,
        69.7813156
      ],
      "properties": {
        "datetime": "2013-10-08T22:01:02Z",
        "pc:count": 11612856,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590503.4017,
            "count": 11612856,
            "maximum": 590999.6636,
            "minimum": 589999.6636,
            "name": "X",
            "position": 0,
            "stddev": 260.8006283,
            "variance": 68016.96775
          },
          {
            "average": 2360477.053,
            "count": 11612856,
            "maximum": 2360998.473,
            "minimum": 2359998.453,
            "name": "Y",
            "position": 1,
            "stddev": 294.2371139,
            "variance": 86575.47917
          },
          {
            "average": 8.20828877,
            "count": 11612856,
            "maximum": 69.7813156,
            "minimum": -7.858684405,
            "name": "Z",
            "position": 2,
            "stddev": 10.38196576,
            "variance": 107.785213
          },
          {
            "average": 20.28977075,
            "count": 11612856,
            "maximum": 7695,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.86792027,
            "variance": 2388.073631
          },
          {
            "average": 1.384438936,
            "count": 11612856,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7929855298,
            "variance": 0.6288260505
          },
          {
            "average": 1.765264548,
            "count": 11612856,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.202932636,
            "variance": 1.447046926
          },
          {
            "average": 1,
            "count": 11612856,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11612856,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.256463182,
            "count": 11612856,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.65911779,
            "variance": 160.2532633
          },
          {
            "average": 20.0070468,
            "count": 11612856,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.196400913,
            "variance": 10.2169788
          },
          {
            "average": 90.2751225,
            "count": 11612856,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.64021007,
            "variance": 4440.917598
          },
          {
            "average": 5.122307983,
            "count": 11612856,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.968709271,
            "variance": 3.875816194
          },
          {
            "average": 62878424.1,
            "count": 11612856,
            "maximum": 65304862.69,
            "minimum": 62716336.13,
            "name": "GpsTime",
            "position": 12,
            "stddev": 315095.244,
            "variance": 99285012810.0
          },
          {
            "average": 0,
            "count": 11612856,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11612856,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11612856,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11612856,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11612856,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          589999.6636,
          2359998.453,
          -7.858684405,
          590999.6636,
          2360998.473,
          69.7813156
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                589999.6636491001,
                2359998.4534038547,
                -7.858684404658664
              ],
              [
                589999.6636491001,
                2360998.4734038543,
                -7.858684404658664
              ],
              [
                590999.6636491001,
                2360998.4734038543,
                69.78131559534134
              ],
              [
                590999.6636491001,
                2359998.4534038547,
                69.78131559534134
              ],
              [
                589999.6636491001,
                2359998.4534038547,
                -7.858684404658664
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:01:02+00:00",
        "end_time": "2013-09-08T22:58:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9060.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9060.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9060.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9060.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1320711,
            21.33970836,
            -7.858684405,
            -158.1223745,
            21.34879283,
            69.7813156
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1320711215581,
                  21.33975842763257,
                  -7.858684404658664
                ],
                [
                  -158.13201796080452,
                  21.348792834339044,
                  -7.858684404658664
                ],
                [
                  -158.1223745152318,
                  21.348742744641314,
                  69.78131559534134
                ],
                [
                  -158.12242826590594,
                  21.3397083622587,
                  69.78131559534134
                ],
                [
                  -158.1320711215581,
                  21.33975842763257,
                  -7.858684404658664
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9060.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9060.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:01:02Z",
            "pc:count": 11612856,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590503.4017,
                "count": 11612856,
                "maximum": 590999.6636,
                "minimum": 589999.6636,
                "name": "X",
                "position": 0,
                "stddev": 260.8006283,
                "variance": 68016.96775
              },
              {
                "average": 2360477.053,
                "count": 11612856,
                "maximum": 2360998.473,
                "minimum": 2359998.453,
                "name": "Y",
                "position": 1,
                "stddev": 294.2371139,
                "variance": 86575.47917
              },
              {
                "average": 8.20828877,
                "count": 11612856,
                "maximum": 69.7813156,
                "minimum": -7.858684405,
                "name": "Z",
                "position": 2,
                "stddev": 10.38196576,
                "variance": 107.785213
              },
              {
                "average": 20.28977075,
                "count": 11612856,
                "maximum": 7695,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.86792027,
                "variance": 2388.073631
              },
              {
                "average": 1.384438936,
                "count": 11612856,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7929855298,
                "variance": 0.6288260505
              },
              {
                "average": 1.765264548,
                "count": 11612856,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.202932636,
                "variance": 1.447046926
              },
              {
                "average": 1,
                "count": 11612856,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11612856,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.256463182,
                "count": 11612856,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.65911779,
                "variance": 160.2532633
              },
              {
                "average": 20.0070468,
                "count": 11612856,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.196400913,
                "variance": 10.2169788
              },
              {
                "average": 90.2751225,
                "count": 11612856,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.64021007,
                "variance": 4440.917598
              },
              {
                "average": 5.122307983,
                "count": 11612856,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.968709271,
                "variance": 3.875816194
              },
              {
                "average": 62878424.1,
                "count": 11612856,
                "maximum": 65304862.69,
                "minimum": 62716336.13,
                "name": "GpsTime",
                "position": 12,
                "stddev": 315095.244,
                "variance": 99285012810.0
              },
              {
                "average": 0,
                "count": 11612856,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11612856,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11612856,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11612856,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11612856,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              589999.6636,
              2359998.453,
              -7.858684405,
              590999.6636,
              2360998.473,
              69.7813156
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    589999.6636491001,
                    2359998.4534038547,
                    -7.858684404658664
                  ],
                  [
                    589999.6636491001,
                    2360998.4734038543,
                    -7.858684404658664
                  ],
                  [
                    590999.6636491001,
                    2360998.4734038543,
                    69.78131559534134
                  ],
                  [
                    590999.6636491001,
                    2359998.4534038547,
                    69.78131559534134
                  ],
                  [
                    589999.6636491001,
                    2359998.4534038547,
                    -7.858684404658664
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:01:02+00:00",
            "end_time": "2013-09-08T22:58:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7684.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.26599073767534,
              21.55722773437957,
              -26.263662403506373
            ],
            [
              -158.26594528184862,
              21.566262212033415,
              -26.263662403506373
            ],
            [
              -158.25628703391408,
              21.566219383617184,
              219.59633759649364
            ],
            [
              -158.2563330866764,
              21.557184926006805,
              219.59633759649364
            ],
            [
              -158.26599073767534,
              21.55722773437957,
              -26.263662403506373
            ]
          ]
        ]
      },
      "bbox": [
        -158.2659907,
        21.55718493,
        -26.2636624,
        -158.256287,
        21.56626221,
        219.5963376
      ],
      "properties": {
        "datetime": "2013-09-12T18:47:50Z",
        "pc:count": 4165663,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 576559.0862,
            "count": 4165663,
            "maximum": 576999.5798,
            "minimum": 575999.5598,
            "name": "X",
            "position": 0,
            "stddev": 277.8729829,
            "variance": 77213.39461
          },
          {
            "average": 2384580.092,
            "count": 4165663,
            "maximum": 2384998.477,
            "minimum": 2383998.457,
            "name": "Y",
            "position": 1,
            "stddev": 241.4638792,
            "variance": 58304.80495
          },
          {
            "average": 29.78744885,
            "count": 4165663,
            "maximum": 219.5963376,
            "minimum": -26.2636624,
            "name": "Z",
            "position": 2,
            "stddev": 47.97206171,
            "variance": 2301.318705
          },
          {
            "average": 22.29351438,
            "count": 4165663,
            "maximum": 2974,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 60.7662875,
            "variance": 3692.541696
          },
          {
            "average": 1.279971279,
            "count": 4165663,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5974501073,
            "variance": 0.3569466308
          },
          {
            "average": 1.55538002,
            "count": 4165663,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.873995421,
            "variance": 0.763867996
          },
          {
            "average": 1,
            "count": 4165663,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4165663,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.24573039,
            "count": 4165663,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.80397115,
            "variance": 190.5496195
          },
          {
            "average": 17.46998068,
            "count": 4165663,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.261098025,
            "variance": 68.24574058
          },
          {
            "average": 108.0464193,
            "count": 4165663,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 80.19747603,
            "variance": 6431.635162
          },
          {
            "average": 2.75855344,
            "count": 4165663,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.656059202,
            "variance": 2.742532081
          },
          {
            "average": 63040185.41,
            "count": 4165663,
            "maximum": 63046870.64,
            "minimum": 62970875.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 19036.44278,
            "variance": 362386153.5
          },
          {
            "average": 0,
            "count": 4165663,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4165663,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4165663,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4165663,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4165663,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          575999.5598,
          2383998.457,
          -26.2636624,
          576999.5798,
          2384998.477,
          219.5963376
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                575999.5597829702,
                2383998.456840342,
                -26.263662403506373
              ],
              [
                575999.5597829702,
                2384998.4768403415,
                -26.263662403506373
              ],
              [
                576999.5797829702,
                2384998.4768403415,
                219.59633759649364
              ],
              [
                576999.5797829702,
                2383998.456840342,
                219.59633759649364
              ],
              [
                575999.5597829702,
                2383998.456840342,
                -26.263662403506373
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:47:50+00:00",
        "end_time": "2013-09-11T21:41:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7684.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7684.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7684.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7684.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2659907,
            21.55718493,
            -26.2636624,
            -158.256287,
            21.56626221,
            219.5963376
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.26599073767534,
                  21.55722773437957,
                  -26.263662403506373
                ],
                [
                  -158.26594528184862,
                  21.566262212033415,
                  -26.263662403506373
                ],
                [
                  -158.25628703391408,
                  21.566219383617184,
                  219.59633759649364
                ],
                [
                  -158.2563330866764,
                  21.557184926006805,
                  219.59633759649364
                ],
                [
                  -158.26599073767534,
                  21.55722773437957,
                  -26.263662403506373
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7684.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7684.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:47:50Z",
            "pc:count": 4165663,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 576559.0862,
                "count": 4165663,
                "maximum": 576999.5798,
                "minimum": 575999.5598,
                "name": "X",
                "position": 0,
                "stddev": 277.8729829,
                "variance": 77213.39461
              },
              {
                "average": 2384580.092,
                "count": 4165663,
                "maximum": 2384998.477,
                "minimum": 2383998.457,
                "name": "Y",
                "position": 1,
                "stddev": 241.4638792,
                "variance": 58304.80495
              },
              {
                "average": 29.78744885,
                "count": 4165663,
                "maximum": 219.5963376,
                "minimum": -26.2636624,
                "name": "Z",
                "position": 2,
                "stddev": 47.97206171,
                "variance": 2301.318705
              },
              {
                "average": 22.29351438,
                "count": 4165663,
                "maximum": 2974,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 60.7662875,
                "variance": 3692.541696
              },
              {
                "average": 1.279971279,
                "count": 4165663,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5974501073,
                "variance": 0.3569466308
              },
              {
                "average": 1.55538002,
                "count": 4165663,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.873995421,
                "variance": 0.763867996
              },
              {
                "average": 1,
                "count": 4165663,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4165663,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.24573039,
                "count": 4165663,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.80397115,
                "variance": 190.5496195
              },
              {
                "average": 17.46998068,
                "count": 4165663,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.261098025,
                "variance": 68.24574058
              },
              {
                "average": 108.0464193,
                "count": 4165663,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 80.19747603,
                "variance": 6431.635162
              },
              {
                "average": 2.75855344,
                "count": 4165663,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.656059202,
                "variance": 2.742532081
              },
              {
                "average": 63040185.41,
                "count": 4165663,
                "maximum": 63046870.64,
                "minimum": 62970875.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 19036.44278,
                "variance": 362386153.5
              },
              {
                "average": 0,
                "count": 4165663,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4165663,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4165663,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4165663,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4165663,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              575999.5598,
              2383998.457,
              -26.2636624,
              576999.5798,
              2384998.477,
              219.5963376
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    575999.5597829702,
                    2383998.456840342,
                    -26.263662403506373
                  ],
                  [
                    575999.5597829702,
                    2384998.4768403415,
                    -26.263662403506373
                  ],
                  [
                    576999.5797829702,
                    2384998.4768403415,
                    219.59633759649364
                  ],
                  [
                    576999.5797829702,
                    2383998.456840342,
                    219.59633759649364
                  ],
                  [
                    575999.5597829702,
                    2383998.456840342,
                    -26.263662403506373
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:47:50+00:00",
            "end_time": "2013-09-11T21:41:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej8077.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.22769464805194,
              21.493813265469452,
              4.487773222618941
            ],
            [
              -158.22764698676343,
              21.502847548140206,
              4.487773222618941
            ],
            [
              -158.2251734876403,
              21.502836093311426,
              115.44777322261895
            ],
            [
              -158.22522130098034,
              21.4938018162277,
              115.44777322261895
            ],
            [
              -158.22769464805194,
              21.493813265469452,
              4.487773222618941
            ]
          ]
        ]
      },
      "bbox": [
        -158.2276946,
        21.49380182,
        4.487773223,
        -158.2251735,
        21.50284755,
        115.4477732
      ],
      "properties": {
        "datetime": "2013-09-12T17:29:48Z",
        "pc:count": 2873420,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580114.7418,
            "count": 2873420,
            "maximum": 580255.8375,
            "minimum": 579999.6175,
            "name": "X",
            "position": 0,
            "stddev": 83.34671334,
            "variance": 6946.674625
          },
          {
            "average": 2377533.534,
            "count": 2873420,
            "maximum": 2377998.445,
            "minimum": 2376998.445,
            "name": "Y",
            "position": 1,
            "stddev": 305.3977101,
            "variance": 93267.76131
          },
          {
            "average": 23.5739664,
            "count": 2873420,
            "maximum": 115.4477732,
            "minimum": 4.487773223,
            "name": "Z",
            "position": 2,
            "stddev": 18.58717957,
            "variance": 345.4832445
          },
          {
            "average": 16.39893402,
            "count": 2873420,
            "maximum": 881,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.74541347,
            "variance": 563.8446606
          },
          {
            "average": 1.780679121,
            "count": 2873420,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.058764339,
            "variance": 1.120981925
          },
          {
            "average": 2.565331556,
            "count": 2873420,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.502979074,
            "variance": 2.258946096
          },
          {
            "average": 1,
            "count": 2873420,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2873420,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.205647973,
            "count": 2873420,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4041743947,
            "variance": 0.1633569413
          },
          {
            "average": 20.10668285,
            "count": 2873420,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.213232189,
            "variance": 4.898396721
          },
          {
            "average": 91.11318359,
            "count": 2873420,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.64264966,
            "variance": 4441.242754
          },
          {
            "average": 1.74530107,
            "count": 2873420,
            "maximum": 3,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7211864859,
            "variance": 0.5201099474
          },
          {
            "average": 63041635.88,
            "count": 2873420,
            "maximum": 63042188.62,
            "minimum": 63041302.53,
            "name": "GpsTime",
            "position": 12,
            "stddev": 313.1212372,
            "variance": 98044.90919
          },
          {
            "average": 0,
            "count": 2873420,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2873420,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2873420,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2873420,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2873420,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.6175,
          2376998.445,
          4.487773223,
          580255.8375,
          2377998.445,
          115.4477732
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.6174504616,
                2376998.445093441,
                4.487773222618941
              ],
              [
                579999.6174504616,
                2377998.445093441,
                4.487773222618941
              ],
              [
                580255.8374504616,
                2377998.445093441,
                115.44777322261895
              ],
              [
                580255.8374504616,
                2376998.445093441,
                115.44777322261895
              ],
              [
                579999.6174504616,
                2376998.445093441,
                4.487773222618941
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T17:29:48+00:00",
        "end_time": "2013-09-12T17:15:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej8077.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej8077.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej8077.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8077.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2276946,
            21.49380182,
            4.487773223,
            -158.2251735,
            21.50284755,
            115.4477732
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.22769464805194,
                  21.493813265469452,
                  4.487773222618941
                ],
                [
                  -158.22764698676343,
                  21.502847548140206,
                  4.487773222618941
                ],
                [
                  -158.2251734876403,
                  21.502836093311426,
                  115.44777322261895
                ],
                [
                  -158.22522130098034,
                  21.4938018162277,
                  115.44777322261895
                ],
                [
                  -158.22769464805194,
                  21.493813265469452,
                  4.487773222618941
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej8077.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8077.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T17:29:48Z",
            "pc:count": 2873420,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580114.7418,
                "count": 2873420,
                "maximum": 580255.8375,
                "minimum": 579999.6175,
                "name": "X",
                "position": 0,
                "stddev": 83.34671334,
                "variance": 6946.674625
              },
              {
                "average": 2377533.534,
                "count": 2873420,
                "maximum": 2377998.445,
                "minimum": 2376998.445,
                "name": "Y",
                "position": 1,
                "stddev": 305.3977101,
                "variance": 93267.76131
              },
              {
                "average": 23.5739664,
                "count": 2873420,
                "maximum": 115.4477732,
                "minimum": 4.487773223,
                "name": "Z",
                "position": 2,
                "stddev": 18.58717957,
                "variance": 345.4832445
              },
              {
                "average": 16.39893402,
                "count": 2873420,
                "maximum": 881,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.74541347,
                "variance": 563.8446606
              },
              {
                "average": 1.780679121,
                "count": 2873420,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.058764339,
                "variance": 1.120981925
              },
              {
                "average": 2.565331556,
                "count": 2873420,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.502979074,
                "variance": 2.258946096
              },
              {
                "average": 1,
                "count": 2873420,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2873420,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.205647973,
                "count": 2873420,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4041743947,
                "variance": 0.1633569413
              },
              {
                "average": 20.10668285,
                "count": 2873420,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.213232189,
                "variance": 4.898396721
              },
              {
                "average": 91.11318359,
                "count": 2873420,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.64264966,
                "variance": 4441.242754
              },
              {
                "average": 1.74530107,
                "count": 2873420,
                "maximum": 3,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7211864859,
                "variance": 0.5201099474
              },
              {
                "average": 63041635.88,
                "count": 2873420,
                "maximum": 63042188.62,
                "minimum": 63041302.53,
                "name": "GpsTime",
                "position": 12,
                "stddev": 313.1212372,
                "variance": 98044.90919
              },
              {
                "average": 0,
                "count": 2873420,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2873420,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2873420,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2873420,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2873420,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.6175,
              2376998.445,
              4.487773223,
              580255.8375,
              2377998.445,
              115.4477732
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.6174504616,
                    2376998.445093441,
                    4.487773222618941
                  ],
                  [
                    579999.6174504616,
                    2377998.445093441,
                    4.487773222618941
                  ],
                  [
                    580255.8374504616,
                    2377998.445093441,
                    115.44777322261895
                  ],
                  [
                    580255.8374504616,
                    2376998.445093441,
                    115.44777322261895
                  ],
                  [
                    579999.6174504616,
                    2376998.445093441,
                    4.487773222618941
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T17:29:48+00:00",
            "end_time": "2013-09-12T17:15:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7685.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.26594532519397,
              21.566262183469515,
              -4.199724652021466
            ],
            [
              -158.26589985513382,
              21.575296468110086,
              -4.199724652021466
            ],
            [
              -158.2584132406931,
              21.57526330458537,
              106.84027534797855
            ],
            [
              -158.25845917205282,
              21.56622903569824,
              106.84027534797855
            ],
            [
              -158.26594532519397,
              21.566262183469515,
              -4.199724652021466
            ]
          ]
        ]
      },
      "bbox": [
        -158.2659453,
        21.56622904,
        -4.199724652,
        -158.2584132,
        21.57529647,
        106.8402753
      ],
      "properties": {
        "datetime": "2013-09-12T18:27:24Z",
        "pc:count": 598621,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 576192.2765,
            "count": 598621,
            "maximum": 576774.6753,
            "minimum": 575999.5553,
            "name": "X",
            "position": 0,
            "stddev": 177.8907301,
            "variance": 31645.11185
          },
          {
            "average": 2385421.198,
            "count": 598621,
            "maximum": 2385998.474,
            "minimum": 2384998.474,
            "name": "Y",
            "position": 1,
            "stddev": 426.2859711,
            "variance": 181719.7291
          },
          {
            "average": 52.87661081,
            "count": 598621,
            "maximum": 106.8402753,
            "minimum": -4.199724652,
            "name": "Z",
            "position": 2,
            "stddev": 20.9312453,
            "variance": 438.1170298
          },
          {
            "average": 14.14162216,
            "count": 598621,
            "maximum": 316,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.87642845,
            "variance": 356.3195509
          },
          {
            "average": 1.219679898,
            "count": 598621,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5012429758,
            "variance": 0.2512445208
          },
          {
            "average": 1.436329497,
            "count": 598621,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.708818059,
            "variance": 0.5024230407
          },
          {
            "average": 1,
            "count": 598621,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 598621,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.494631829,
            "count": 598621,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.673802512,
            "variance": 7.149219871
          },
          {
            "average": 19.86596002,
            "count": 598621,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.737635436,
            "variance": 7.494647778
          },
          {
            "average": 90.88722414,
            "count": 598621,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.32229381,
            "variance": 4267.002069
          },
          {
            "average": 1.871160551,
            "count": 598621,
            "maximum": 3,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7859172004,
            "variance": 0.6176658458
          },
          {
            "average": 63016016.95,
            "count": 598621,
            "maximum": 63045644.79,
            "minimum": 62965199.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 38524.09004,
            "variance": 1484105513
          },
          {
            "average": 0,
            "count": 598621,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 598621,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 598621,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 598621,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 598621,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          575999.5553,
          2384998.474,
          -4.199724652,
          576774.6753,
          2385998.474,
          106.8402753
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                575999.5553099599,
                2384998.473657556,
                -4.199724652021466
              ],
              [
                575999.5553099599,
                2385998.473657556,
                -4.199724652021466
              ],
              [
                576774.67530996,
                2385998.473657556,
                106.84027534797855
              ],
              [
                576774.67530996,
                2384998.473657556,
                106.84027534797855
              ],
              [
                575999.5553099599,
                2384998.473657556,
                -4.199724652021466
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:27:24+00:00",
        "end_time": "2013-09-11T20:06:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7685.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7685.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7685.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7685.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2659453,
            21.56622904,
            -4.199724652,
            -158.2584132,
            21.57529647,
            106.8402753
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.26594532519397,
                  21.566262183469515,
                  -4.199724652021466
                ],
                [
                  -158.26589985513382,
                  21.575296468110086,
                  -4.199724652021466
                ],
                [
                  -158.2584132406931,
                  21.57526330458537,
                  106.84027534797855
                ],
                [
                  -158.25845917205282,
                  21.56622903569824,
                  106.84027534797855
                ],
                [
                  -158.26594532519397,
                  21.566262183469515,
                  -4.199724652021466
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7685.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7685.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:27:24Z",
            "pc:count": 598621,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 576192.2765,
                "count": 598621,
                "maximum": 576774.6753,
                "minimum": 575999.5553,
                "name": "X",
                "position": 0,
                "stddev": 177.8907301,
                "variance": 31645.11185
              },
              {
                "average": 2385421.198,
                "count": 598621,
                "maximum": 2385998.474,
                "minimum": 2384998.474,
                "name": "Y",
                "position": 1,
                "stddev": 426.2859711,
                "variance": 181719.7291
              },
              {
                "average": 52.87661081,
                "count": 598621,
                "maximum": 106.8402753,
                "minimum": -4.199724652,
                "name": "Z",
                "position": 2,
                "stddev": 20.9312453,
                "variance": 438.1170298
              },
              {
                "average": 14.14162216,
                "count": 598621,
                "maximum": 316,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.87642845,
                "variance": 356.3195509
              },
              {
                "average": 1.219679898,
                "count": 598621,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5012429758,
                "variance": 0.2512445208
              },
              {
                "average": 1.436329497,
                "count": 598621,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.708818059,
                "variance": 0.5024230407
              },
              {
                "average": 1,
                "count": 598621,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 598621,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.494631829,
                "count": 598621,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.673802512,
                "variance": 7.149219871
              },
              {
                "average": 19.86596002,
                "count": 598621,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.737635436,
                "variance": 7.494647778
              },
              {
                "average": 90.88722414,
                "count": 598621,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.32229381,
                "variance": 4267.002069
              },
              {
                "average": 1.871160551,
                "count": 598621,
                "maximum": 3,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7859172004,
                "variance": 0.6176658458
              },
              {
                "average": 63016016.95,
                "count": 598621,
                "maximum": 63045644.79,
                "minimum": 62965199.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 38524.09004,
                "variance": 1484105513
              },
              {
                "average": 0,
                "count": 598621,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 598621,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 598621,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 598621,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 598621,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              575999.5553,
              2384998.474,
              -4.199724652,
              576774.6753,
              2385998.474,
              106.8402753
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    575999.5553099599,
                    2384998.473657556,
                    -4.199724652021466
                  ],
                  [
                    575999.5553099599,
                    2385998.473657556,
                    -4.199724652021466
                  ],
                  [
                    576774.67530996,
                    2385998.473657556,
                    106.84027534797855
                  ],
                  [
                    576774.67530996,
                    2384998.473657556,
                    106.84027534797855
                  ],
                  [
                    575999.5553099599,
                    2384998.473657556,
                    -4.199724652021466
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:27:24+00:00",
            "end_time": "2013-09-11T20:06:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8568.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1798833767621,
              21.412275175318662,
              -5.814116531673466
            ],
            [
              -158.17983292849578,
              21.42130964125732,
              -5.814116531673466
            ],
            [
              -158.17018467625206,
              21.421262089878454,
              30.345883468326537
            ],
            [
              -158.1702357111845,
              21.4122276469213,
              30.345883468326537
            ],
            [
              -158.1798833767621,
              21.412275175318662,
              -5.814116531673466
            ]
          ]
        ]
      },
      "bbox": [
        -158.1798834,
        21.41222765,
        -5.814116532,
        -158.1701847,
        21.42130964,
        30.34588347
      ],
      "properties": {
        "datetime": "2013-09-18T20:43:23Z",
        "pc:count": 13274056,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 585569.1859,
            "count": 13274056,
            "maximum": 585999.6447,
            "minimum": 584999.6447,
            "name": "X",
            "position": 0,
            "stddev": 281.6083628,
            "variance": 79303.27002
          },
          {
            "average": 2368508.826,
            "count": 13274056,
            "maximum": 2368998.475,
            "minimum": 2367998.455,
            "name": "Y",
            "position": 1,
            "stddev": 289.6386049,
            "variance": 83890.52143
          },
          {
            "average": 4.461264537,
            "count": 13274056,
            "maximum": 30.34588347,
            "minimum": -5.814116532,
            "name": "Z",
            "position": 2,
            "stddev": 3.729215988,
            "variance": 13.90705188
          },
          {
            "average": 27.65370404,
            "count": 13274056,
            "maximum": 7859,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 60.61385882,
            "variance": 3674.039881
          },
          {
            "average": 1.475678195,
            "count": 13274056,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8827102611,
            "variance": 0.7791774051
          },
          {
            "average": 1.951548645,
            "count": 13274056,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.332397761,
            "variance": 1.775283793
          },
          {
            "average": 1,
            "count": 13274056,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13274056,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.935194186,
            "count": 13274056,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.385668788,
            "variance": 70.31944102
          },
          {
            "average": 20.2644659,
            "count": 13274056,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.073743324,
            "variance": 9.447898021
          },
          {
            "average": 90.72558116,
            "count": 13274056,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.36733226,
            "variance": 4404.622791
          },
          {
            "average": 4.165867313,
            "count": 13274056,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.729852185,
            "variance": 2.992388583
          },
          {
            "average": 62810711.11,
            "count": 13274056,
            "maximum": 63572203.94,
            "minimum": 62715546.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 131928.6776,
            "variance": 17405175960.0
          },
          {
            "average": 0,
            "count": 13274056,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13274056,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13274056,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13274056,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13274056,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          584999.6447,
          2367998.455,
          -5.814116532,
          585999.6447,
          2368998.475,
          30.34588347
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                584999.644689424,
                2367998.4545252547,
                -5.814116531673466
              ],
              [
                584999.644689424,
                2368998.474525254,
                -5.814116531673466
              ],
              [
                585999.644689424,
                2368998.474525254,
                30.345883468326537
              ],
              [
                585999.644689424,
                2367998.4545252547,
                30.345883468326537
              ],
              [
                584999.644689424,
                2367998.4545252547,
                -5.814116531673466
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:43:23+00:00",
        "end_time": "2013-09-08T22:45:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8568.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8568.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8568.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8568.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1798834,
            21.41222765,
            -5.814116532,
            -158.1701847,
            21.42130964,
            30.34588347
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1798833767621,
                  21.412275175318662,
                  -5.814116531673466
                ],
                [
                  -158.17983292849578,
                  21.42130964125732,
                  -5.814116531673466
                ],
                [
                  -158.17018467625206,
                  21.421262089878454,
                  30.345883468326537
                ],
                [
                  -158.1702357111845,
                  21.4122276469213,
                  30.345883468326537
                ],
                [
                  -158.1798833767621,
                  21.412275175318662,
                  -5.814116531673466
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8568.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8568.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:43:23Z",
            "pc:count": 13274056,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 585569.1859,
                "count": 13274056,
                "maximum": 585999.6447,
                "minimum": 584999.6447,
                "name": "X",
                "position": 0,
                "stddev": 281.6083628,
                "variance": 79303.27002
              },
              {
                "average": 2368508.826,
                "count": 13274056,
                "maximum": 2368998.475,
                "minimum": 2367998.455,
                "name": "Y",
                "position": 1,
                "stddev": 289.6386049,
                "variance": 83890.52143
              },
              {
                "average": 4.461264537,
                "count": 13274056,
                "maximum": 30.34588347,
                "minimum": -5.814116532,
                "name": "Z",
                "position": 2,
                "stddev": 3.729215988,
                "variance": 13.90705188
              },
              {
                "average": 27.65370404,
                "count": 13274056,
                "maximum": 7859,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 60.61385882,
                "variance": 3674.039881
              },
              {
                "average": 1.475678195,
                "count": 13274056,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8827102611,
                "variance": 0.7791774051
              },
              {
                "average": 1.951548645,
                "count": 13274056,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.332397761,
                "variance": 1.775283793
              },
              {
                "average": 1,
                "count": 13274056,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13274056,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.935194186,
                "count": 13274056,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.385668788,
                "variance": 70.31944102
              },
              {
                "average": 20.2644659,
                "count": 13274056,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.073743324,
                "variance": 9.447898021
              },
              {
                "average": 90.72558116,
                "count": 13274056,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.36733226,
                "variance": 4404.622791
              },
              {
                "average": 4.165867313,
                "count": 13274056,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.729852185,
                "variance": 2.992388583
              },
              {
                "average": 62810711.11,
                "count": 13274056,
                "maximum": 63572203.94,
                "minimum": 62715546.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 131928.6776,
                "variance": 17405175960.0
              },
              {
                "average": 0,
                "count": 13274056,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13274056,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13274056,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13274056,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13274056,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              584999.6447,
              2367998.455,
              -5.814116532,
              585999.6447,
              2368998.475,
              30.34588347
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    584999.644689424,
                    2367998.4545252547,
                    -5.814116531673466
                  ],
                  [
                    584999.644689424,
                    2368998.474525254,
                    -5.814116531673466
                  ],
                  [
                    585999.644689424,
                    2368998.474525254,
                    30.345883468326537
                  ],
                  [
                    585999.644689424,
                    2367998.4545252547,
                    30.345883468326537
                  ],
                  [
                    584999.644689424,
                    2367998.4545252547,
                    -5.814116531673466
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:43:23+00:00",
            "end_time": "2013-09-08T22:45:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej8078.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.22764700299604,
              21.502847541528165,
              3.468084033461238
            ],
            [
              -158.22759931555598,
              21.511881814644084,
              3.468084033461238
            ],
            [
              -158.22486265481584,
              21.511869143735126,
              48.18808403346124
            ],
            [
              -158.2249105051426,
              21.50283487920019,
              48.18808403346124
            ],
            [
              -158.22764700299604,
              21.502847541528165,
              3.468084033461238
            ]
          ]
        ]
      },
      "bbox": [
        -158.227647,
        21.50283488,
        3.468084033,
        -158.2248627,
        21.51188181,
        48.18808403
      ],
      "properties": {
        "datetime": "2013-09-12T17:30:03Z",
        "pc:count": 5319012,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580128.1879,
            "count": 5319012,
            "maximum": 580283.0758,
            "minimum": 579999.6158,
            "name": "X",
            "position": 0,
            "stddev": 84.90033919,
            "variance": 7208.067594
          },
          {
            "average": 2378491.299,
            "count": 5319012,
            "maximum": 2378998.444,
            "minimum": 2377998.444,
            "name": "Y",
            "position": 1,
            "stddev": 281.8906648,
            "variance": 79462.34689
          },
          {
            "average": 21.32999622,
            "count": 5319012,
            "maximum": 48.18808403,
            "minimum": 3.468084033,
            "name": "Z",
            "position": 2,
            "stddev": 8.655707515,
            "variance": 74.92127259
          },
          {
            "average": 5.980189742,
            "count": 5319012,
            "maximum": 260,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 10.72808248,
            "variance": 115.0917536
          },
          {
            "average": 2.434950513,
            "count": 5319012,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.212931495,
            "variance": 1.471202812
          },
          {
            "average": 3.875108197,
            "count": 5319012,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.245052642,
            "variance": 1.550156082
          },
          {
            "average": 1,
            "count": 5319012,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5319012,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.102654027,
            "count": 5319012,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3035064988,
            "variance": 0.09211619484
          },
          {
            "average": 20.26777383,
            "count": 5319012,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.342350984,
            "variance": 5.486608133
          },
          {
            "average": 91.58852828,
            "count": 5319012,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.95819142,
            "variance": 4618.315781
          },
          {
            "average": 1.73739672,
            "count": 5319012,
            "maximum": 3,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7129306564,
            "variance": 0.5082701209
          },
          {
            "average": 63041646.34,
            "count": 5319012,
            "maximum": 63042203.26,
            "minimum": 63041316.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 309.5807592,
            "variance": 95840.24648
          },
          {
            "average": 0,
            "count": 5319012,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5319012,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5319012,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5319012,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5319012,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.6158,
          2377998.444,
          3.468084033,
          580283.0758,
          2378998.444,
          48.18808403
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.6157726434,
                2377998.4443532676,
                3.468084033461238
              ],
              [
                579999.6157726434,
                2378998.4443532676,
                3.468084033461238
              ],
              [
                580283.0757726433,
                2378998.4443532676,
                48.18808403346124
              ],
              [
                580283.0757726433,
                2377998.4443532676,
                48.18808403346124
              ],
              [
                579999.6157726434,
                2377998.4443532676,
                3.468084033461238
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T17:30:03+00:00",
        "end_time": "2013-09-12T17:15:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej8078.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej8078.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej8078.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8078.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.227647,
            21.50283488,
            3.468084033,
            -158.2248627,
            21.51188181,
            48.18808403
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.22764700299604,
                  21.502847541528165,
                  3.468084033461238
                ],
                [
                  -158.22759931555598,
                  21.511881814644084,
                  3.468084033461238
                ],
                [
                  -158.22486265481584,
                  21.511869143735126,
                  48.18808403346124
                ],
                [
                  -158.2249105051426,
                  21.50283487920019,
                  48.18808403346124
                ],
                [
                  -158.22764700299604,
                  21.502847541528165,
                  3.468084033461238
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej8078.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8078.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T17:30:03Z",
            "pc:count": 5319012,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580128.1879,
                "count": 5319012,
                "maximum": 580283.0758,
                "minimum": 579999.6158,
                "name": "X",
                "position": 0,
                "stddev": 84.90033919,
                "variance": 7208.067594
              },
              {
                "average": 2378491.299,
                "count": 5319012,
                "maximum": 2378998.444,
                "minimum": 2377998.444,
                "name": "Y",
                "position": 1,
                "stddev": 281.8906648,
                "variance": 79462.34689
              },
              {
                "average": 21.32999622,
                "count": 5319012,
                "maximum": 48.18808403,
                "minimum": 3.468084033,
                "name": "Z",
                "position": 2,
                "stddev": 8.655707515,
                "variance": 74.92127259
              },
              {
                "average": 5.980189742,
                "count": 5319012,
                "maximum": 260,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 10.72808248,
                "variance": 115.0917536
              },
              {
                "average": 2.434950513,
                "count": 5319012,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.212931495,
                "variance": 1.471202812
              },
              {
                "average": 3.875108197,
                "count": 5319012,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.245052642,
                "variance": 1.550156082
              },
              {
                "average": 1,
                "count": 5319012,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5319012,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.102654027,
                "count": 5319012,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3035064988,
                "variance": 0.09211619484
              },
              {
                "average": 20.26777383,
                "count": 5319012,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.342350984,
                "variance": 5.486608133
              },
              {
                "average": 91.58852828,
                "count": 5319012,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.95819142,
                "variance": 4618.315781
              },
              {
                "average": 1.73739672,
                "count": 5319012,
                "maximum": 3,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7129306564,
                "variance": 0.5082701209
              },
              {
                "average": 63041646.34,
                "count": 5319012,
                "maximum": 63042203.26,
                "minimum": 63041316.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 309.5807592,
                "variance": 95840.24648
              },
              {
                "average": 0,
                "count": 5319012,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5319012,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5319012,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5319012,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5319012,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.6158,
              2377998.444,
              3.468084033,
              580283.0758,
              2378998.444,
              48.18808403
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.6157726434,
                    2377998.4443532676,
                    3.468084033461238
                  ],
                  [
                    579999.6157726434,
                    2378998.4443532676,
                    3.468084033461238
                  ],
                  [
                    580283.0757726433,
                    2378998.4443532676,
                    48.18808403346124
                  ],
                  [
                    580283.0757726433,
                    2377998.4443532676,
                    48.18808403346124
                  ],
                  [
                    579999.6157726434,
                    2377998.4443532676,
                    3.468084033461238
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T17:30:03+00:00",
            "end_time": "2013-09-12T17:15:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7686.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.26589993180207,
              21.57529636563003,
              -26.26297466147905
            ],
            [
              -158.26585442539286,
              21.584330823902995,
              -26.26297466147905
            ],
            [
              -158.25619498466622,
              21.584287955166932,
              80.39702533852095
            ],
            [
              -158.25624108870937,
              21.575253516883716,
              80.39702533852095
            ],
            [
              -158.26589993180207,
              21.57529636563003,
              -26.26297466147905
            ]
          ]
        ]
      },
      "bbox": [
        -158.2658999,
        21.57525352,
        -26.26297466,
        -158.256195,
        21.58433082,
        80.39702534
      ],
      "properties": {
        "datetime": "2013-11-04T20:20:43Z",
        "pc:count": 4496255,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 576526.4209,
            "count": 4496255,
            "maximum": 576999.5674,
            "minimum": 575999.5474,
            "name": "X",
            "position": 0,
            "stddev": 289.3856463,
            "variance": 83744.0523
          },
          {
            "average": 2386416.193,
            "count": 4496255,
            "maximum": 2386998.482,
            "minimum": 2385998.462,
            "name": "Y",
            "position": 1,
            "stddev": 256.3532598,
            "variance": 65716.99383
          },
          {
            "average": 1.166881588,
            "count": 4496255,
            "maximum": 80.39702534,
            "minimum": -26.26297466,
            "name": "Z",
            "position": 2,
            "stddev": 14.78541395,
            "variance": 218.6084657
          },
          {
            "average": 20.71751713,
            "count": 4496255,
            "maximum": 7178,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 47.60678594,
            "variance": 2266.406067
          },
          {
            "average": 1.091854443,
            "count": 4496255,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3363076324,
            "variance": 0.1131028236
          },
          {
            "average": 1.180139694,
            "count": 4496255,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.496234618,
            "variance": 0.2462487961
          },
          {
            "average": 1,
            "count": 4496255,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4496255,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.30670013,
            "count": 4496255,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.500202,
            "variance": 182.255454
          },
          {
            "average": 15.83715313,
            "count": 4496255,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.406336197,
            "variance": 70.66648825
          },
          {
            "average": 98.06973314,
            "count": 4496255,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.70713154,
            "variance": 5141.912714
          },
          {
            "average": 4.731971385,
            "count": 4496255,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.908582229,
            "variance": 8.459850581
          },
          {
            "average": 63784907.21,
            "count": 4496255,
            "maximum": 67631643.44,
            "minimum": 62867219.18,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1845300.801,
            "variance": 3405135048000.0
          },
          {
            "average": 0,
            "count": 4496255,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4496255,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4496255,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4496255,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4496255,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          575999.5474,
          2385998.462,
          -26.26297466,
          576999.5674,
          2386998.482,
          80.39702534
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                575999.5474257902,
                2385998.462276943,
                -26.26297466147905
              ],
              [
                575999.5474257902,
                2386998.4822769426,
                -26.26297466147905
              ],
              [
                576999.5674257902,
                2386998.4822769426,
                80.39702533852095
              ],
              [
                576999.5674257902,
                2385998.462276943,
                80.39702533852095
              ],
              [
                575999.5474257902,
                2385998.462276943,
                -26.26297466147905
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:20:43+00:00",
        "end_time": "2013-09-10T16:53:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7686.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7686.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7686.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7686.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2658999,
            21.57525352,
            -26.26297466,
            -158.256195,
            21.58433082,
            80.39702534
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.26589993180207,
                  21.57529636563003,
                  -26.26297466147905
                ],
                [
                  -158.26585442539286,
                  21.584330823902995,
                  -26.26297466147905
                ],
                [
                  -158.25619498466622,
                  21.584287955166932,
                  80.39702533852095
                ],
                [
                  -158.25624108870937,
                  21.575253516883716,
                  80.39702533852095
                ],
                [
                  -158.26589993180207,
                  21.57529636563003,
                  -26.26297466147905
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7686.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7686.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:20:43Z",
            "pc:count": 4496255,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 576526.4209,
                "count": 4496255,
                "maximum": 576999.5674,
                "minimum": 575999.5474,
                "name": "X",
                "position": 0,
                "stddev": 289.3856463,
                "variance": 83744.0523
              },
              {
                "average": 2386416.193,
                "count": 4496255,
                "maximum": 2386998.482,
                "minimum": 2385998.462,
                "name": "Y",
                "position": 1,
                "stddev": 256.3532598,
                "variance": 65716.99383
              },
              {
                "average": 1.166881588,
                "count": 4496255,
                "maximum": 80.39702534,
                "minimum": -26.26297466,
                "name": "Z",
                "position": 2,
                "stddev": 14.78541395,
                "variance": 218.6084657
              },
              {
                "average": 20.71751713,
                "count": 4496255,
                "maximum": 7178,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 47.60678594,
                "variance": 2266.406067
              },
              {
                "average": 1.091854443,
                "count": 4496255,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3363076324,
                "variance": 0.1131028236
              },
              {
                "average": 1.180139694,
                "count": 4496255,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.496234618,
                "variance": 0.2462487961
              },
              {
                "average": 1,
                "count": 4496255,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4496255,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.30670013,
                "count": 4496255,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.500202,
                "variance": 182.255454
              },
              {
                "average": 15.83715313,
                "count": 4496255,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.406336197,
                "variance": 70.66648825
              },
              {
                "average": 98.06973314,
                "count": 4496255,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.70713154,
                "variance": 5141.912714
              },
              {
                "average": 4.731971385,
                "count": 4496255,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.908582229,
                "variance": 8.459850581
              },
              {
                "average": 63784907.21,
                "count": 4496255,
                "maximum": 67631643.44,
                "minimum": 62867219.18,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1845300.801,
                "variance": 3405135048000.0
              },
              {
                "average": 0,
                "count": 4496255,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4496255,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4496255,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4496255,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4496255,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              575999.5474,
              2385998.462,
              -26.26297466,
              576999.5674,
              2386998.482,
              80.39702534
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    575999.5474257902,
                    2385998.462276943,
                    -26.26297466147905
                  ],
                  [
                    575999.5474257902,
                    2386998.4822769426,
                    -26.26297466147905
                  ],
                  [
                    576999.5674257902,
                    2386998.4822769426,
                    80.39702533852095
                  ],
                  [
                    576999.5674257902,
                    2385998.462276943,
                    80.39702533852095
                  ],
                  [
                    575999.5474257902,
                    2385998.462276943,
                    -26.26297466147905
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:20:43+00:00",
            "end_time": "2013-09-10T16:53:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7687.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.26585443656523,
              21.58433063350106,
              -34.45095768636083
            ],
            [
              -158.26582552011473,
              21.590068659780254,
              -34.45095768636083
            ],
            [
              -158.25616589263808,
              21.590025779257093,
              -12.730957686360831
            ],
            [
              -158.256195189036,
              21.584287765628968,
              -12.730957686360831
            ],
            [
              -158.26585443656523,
              21.58433063350106,
              -34.45095768636083
            ]
          ]
        ]
      },
      "bbox": [
        -158.2658544,
        21.58428777,
        -34.45095769,
        -158.2561659,
        21.59006866,
        -12.73095769
      ],
      "properties": {
        "datetime": "2013-09-10T17:47:19Z",
        "pc:count": 458007,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 576520.7252,
            "count": 458007,
            "maximum": 576999.5464,
            "minimum": 575999.5464,
            "name": "X",
            "position": 0,
            "stddev": 293.6189205,
            "variance": 86212.07046
          },
          {
            "average": 2387268.796,
            "count": 458007,
            "maximum": 2387633.601,
            "minimum": 2386998.461,
            "name": "Y",
            "position": 1,
            "stddev": 177.1208007,
            "variance": 31371.77804
          },
          {
            "average": -26.38575261,
            "count": 458007,
            "maximum": -12.73095769,
            "minimum": -34.45095769,
            "name": "Z",
            "position": 2,
            "stddev": 4.654173403,
            "variance": 21.66133007
          },
          {
            "average": 546.2135426,
            "count": 458007,
            "maximum": 1717,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 314.1048573,
            "variance": 98661.86138
          },
          {
            "average": 1.003342744,
            "count": 458007,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05798400033,
            "variance": 0.003362144294
          },
          {
            "average": 1.003829636,
            "count": 458007,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.06243353551,
            "variance": 0.003897946356
          },
          {
            "average": 1,
            "count": 458007,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 458007,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 458007,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.372156508,
            "count": 458007,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.654824835,
            "variance": 93.2156426
          },
          {
            "average": 239.2482211,
            "count": 458007,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 40.51217678,
            "variance": 1641.236467
          },
          {
            "average": 7.986963081,
            "count": 458007,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9295512043,
            "variance": 0.8640654414
          },
          {
            "average": 62869982.94,
            "count": 458007,
            "maximum": 62870439.14,
            "minimum": 62869044.53,
            "name": "GpsTime",
            "position": 12,
            "stddev": 456.248364,
            "variance": 208162.5697
          },
          {
            "average": 0,
            "count": 458007,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 458007,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 458007,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 458007,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 458007,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          575999.5464,
          2386998.461,
          -34.45095769,
          576999.5464,
          2387633.601,
          -12.73095769
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                575999.5463684816,
                2386998.4611964463,
                -34.45095768636083
              ],
              [
                575999.5463684816,
                2387633.601196446,
                -34.45095768636083
              ],
              [
                576999.5463684816,
                2387633.601196446,
                -12.730957686360831
              ],
              [
                576999.5463684816,
                2386998.4611964463,
                -12.730957686360831
              ],
              [
                575999.5463684816,
                2386998.4611964463,
                -34.45095768636083
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:47:19+00:00",
        "end_time": "2013-09-10T17:24:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7687.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7687.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7687.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7687.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2658544,
            21.58428777,
            -34.45095769,
            -158.2561659,
            21.59006866,
            -12.73095769
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.26585443656523,
                  21.58433063350106,
                  -34.45095768636083
                ],
                [
                  -158.26582552011473,
                  21.590068659780254,
                  -34.45095768636083
                ],
                [
                  -158.25616589263808,
                  21.590025779257093,
                  -12.730957686360831
                ],
                [
                  -158.256195189036,
                  21.584287765628968,
                  -12.730957686360831
                ],
                [
                  -158.26585443656523,
                  21.58433063350106,
                  -34.45095768636083
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7687.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7687.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:47:19Z",
            "pc:count": 458007,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 576520.7252,
                "count": 458007,
                "maximum": 576999.5464,
                "minimum": 575999.5464,
                "name": "X",
                "position": 0,
                "stddev": 293.6189205,
                "variance": 86212.07046
              },
              {
                "average": 2387268.796,
                "count": 458007,
                "maximum": 2387633.601,
                "minimum": 2386998.461,
                "name": "Y",
                "position": 1,
                "stddev": 177.1208007,
                "variance": 31371.77804
              },
              {
                "average": -26.38575261,
                "count": 458007,
                "maximum": -12.73095769,
                "minimum": -34.45095769,
                "name": "Z",
                "position": 2,
                "stddev": 4.654173403,
                "variance": 21.66133007
              },
              {
                "average": 546.2135426,
                "count": 458007,
                "maximum": 1717,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 314.1048573,
                "variance": 98661.86138
              },
              {
                "average": 1.003342744,
                "count": 458007,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05798400033,
                "variance": 0.003362144294
              },
              {
                "average": 1.003829636,
                "count": 458007,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.06243353551,
                "variance": 0.003897946356
              },
              {
                "average": 1,
                "count": 458007,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 458007,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 458007,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.372156508,
                "count": 458007,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.654824835,
                "variance": 93.2156426
              },
              {
                "average": 239.2482211,
                "count": 458007,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 40.51217678,
                "variance": 1641.236467
              },
              {
                "average": 7.986963081,
                "count": 458007,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9295512043,
                "variance": 0.8640654414
              },
              {
                "average": 62869982.94,
                "count": 458007,
                "maximum": 62870439.14,
                "minimum": 62869044.53,
                "name": "GpsTime",
                "position": 12,
                "stddev": 456.248364,
                "variance": 208162.5697
              },
              {
                "average": 0,
                "count": 458007,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 458007,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 458007,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 458007,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 458007,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              575999.5464,
              2386998.461,
              -34.45095769,
              576999.5464,
              2387633.601,
              -12.73095769
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    575999.5463684816,
                    2386998.4611964463,
                    -34.45095768636083
                  ],
                  [
                    575999.5463684816,
                    2387633.601196446,
                    -34.45095768636083
                  ],
                  [
                    576999.5463684816,
                    2387633.601196446,
                    -12.730957686360831
                  ],
                  [
                    576999.5463684816,
                    2386998.4611964463,
                    -12.730957686360831
                  ],
                  [
                    575999.5463684816,
                    2386998.4611964463,
                    -34.45095768636083
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:47:19+00:00",
            "end_time": "2013-09-10T17:24:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7781.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2483895351445,
              21.537479845123173,
              -58.17969244213192
            ],
            [
              -158.2483813018589,
              21.53907999776417,
              -58.17969244213192
            ],
            [
              -158.24676890347965,
              21.539072724440132,
              -37.29969244213193
            ],
            [
              -158.24677715439842,
              21.53747257240575,
              -37.29969244213193
            ],
            [
              -158.2483895351445,
              21.537479845123173,
              -58.17969244213192
            ]
          ]
        ]
      },
      "bbox": [
        -158.2483895,
        21.53747257,
        -58.17969244,
        -158.2467689,
        21.53908,
        -37.29969244
      ],
      "properties": {
        "datetime": "2013-09-12T19:02:29Z",
        "pc:count": 7095,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 577952.4971,
            "count": 7095,
            "maximum": 577999.5766,
            "minimum": 577832.5966,
            "name": "X",
            "position": 0,
            "stddev": 34.29724109,
            "variance": 1176.300747
          },
          {
            "average": 2381957.778,
            "count": 7095,
            "maximum": 2381998.424,
            "minimum": 2381821.304,
            "name": "Y",
            "position": 1,
            "stddev": 30.85057321,
            "variance": 951.7578673
          },
          {
            "average": -43.95170654,
            "count": 7095,
            "maximum": -37.29969244,
            "minimum": -58.17969244,
            "name": "Z",
            "position": 2,
            "stddev": 3.55989248,
            "variance": 12.67283447
          },
          {
            "average": 2589.628894,
            "count": 7095,
            "maximum": 8767,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1336.774766,
            "variance": 1786966.776
          },
          {
            "average": 1.00324172,
            "count": 7095,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05684774631,
            "variance": 0.00323166626
          },
          {
            "average": 1.00324172,
            "count": 7095,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05684774631,
            "variance": 0.00323166626
          },
          {
            "average": 1,
            "count": 7095,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7095,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 7095,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.001165229,
            "count": 7095,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.865593241,
            "variance": 78.59874351
          },
          {
            "average": 249.0335447,
            "count": 7095,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1808479968,
            "variance": 0.03270599796
          },
          {
            "average": 5.520084567,
            "count": 7095,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.730929672,
            "variance": 7.457976875
          },
          {
            "average": 62999317.24,
            "count": 7095,
            "maximum": 63047749.43,
            "minimum": 62969411.41,
            "name": "GpsTime",
            "position": 12,
            "stddev": 37610.5202,
            "variance": 1414551230
          },
          {
            "average": 0,
            "count": 7095,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7095,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7095,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7095,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7095,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          577832.5966,
          2381821.304,
          -58.17969244,
          577999.5766,
          2381998.424,
          -37.29969244
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                577832.596568275,
                2381821.304437902,
                -58.17969244213192
              ],
              [
                577832.596568275,
                2381998.424437902,
                -58.17969244213192
              ],
              [
                577999.576568275,
                2381998.424437902,
                -37.29969244213193
              ],
              [
                577999.576568275,
                2381821.304437902,
                -37.29969244213193
              ],
              [
                577832.596568275,
                2381821.304437902,
                -58.17969244213192
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:02:29+00:00",
        "end_time": "2013-09-11T21:16:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7781.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7781.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7781.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7781.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2483895,
            21.53747257,
            -58.17969244,
            -158.2467689,
            21.53908,
            -37.29969244
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2483895351445,
                  21.537479845123173,
                  -58.17969244213192
                ],
                [
                  -158.2483813018589,
                  21.53907999776417,
                  -58.17969244213192
                ],
                [
                  -158.24676890347965,
                  21.539072724440132,
                  -37.29969244213193
                ],
                [
                  -158.24677715439842,
                  21.53747257240575,
                  -37.29969244213193
                ],
                [
                  -158.2483895351445,
                  21.537479845123173,
                  -58.17969244213192
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7781.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7781.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:02:29Z",
            "pc:count": 7095,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 577952.4971,
                "count": 7095,
                "maximum": 577999.5766,
                "minimum": 577832.5966,
                "name": "X",
                "position": 0,
                "stddev": 34.29724109,
                "variance": 1176.300747
              },
              {
                "average": 2381957.778,
                "count": 7095,
                "maximum": 2381998.424,
                "minimum": 2381821.304,
                "name": "Y",
                "position": 1,
                "stddev": 30.85057321,
                "variance": 951.7578673
              },
              {
                "average": -43.95170654,
                "count": 7095,
                "maximum": -37.29969244,
                "minimum": -58.17969244,
                "name": "Z",
                "position": 2,
                "stddev": 3.55989248,
                "variance": 12.67283447
              },
              {
                "average": 2589.628894,
                "count": 7095,
                "maximum": 8767,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1336.774766,
                "variance": 1786966.776
              },
              {
                "average": 1.00324172,
                "count": 7095,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05684774631,
                "variance": 0.00323166626
              },
              {
                "average": 1.00324172,
                "count": 7095,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05684774631,
                "variance": 0.00323166626
              },
              {
                "average": 1,
                "count": 7095,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7095,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 7095,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.001165229,
                "count": 7095,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.865593241,
                "variance": 78.59874351
              },
              {
                "average": 249.0335447,
                "count": 7095,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1808479968,
                "variance": 0.03270599796
              },
              {
                "average": 5.520084567,
                "count": 7095,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.730929672,
                "variance": 7.457976875
              },
              {
                "average": 62999317.24,
                "count": 7095,
                "maximum": 63047749.43,
                "minimum": 62969411.41,
                "name": "GpsTime",
                "position": 12,
                "stddev": 37610.5202,
                "variance": 1414551230
              },
              {
                "average": 0,
                "count": 7095,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7095,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7095,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7095,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7095,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              577832.5966,
              2381821.304,
              -58.17969244,
              577999.5766,
              2381998.424,
              -37.29969244
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    577832.596568275,
                    2381821.304437902,
                    -58.17969244213192
                  ],
                  [
                    577832.596568275,
                    2381998.424437902,
                    -58.17969244213192
                  ],
                  [
                    577999.576568275,
                    2381998.424437902,
                    -37.29969244213193
                  ],
                  [
                    577999.576568275,
                    2381821.304437902,
                    -37.29969244213193
                  ],
                  [
                    577832.596568275,
                    2381821.304437902,
                    -58.17969244213192
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:02:29+00:00",
            "end_time": "2013-09-11T21:16:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7782.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.25642456420906,
              21.539116318611182,
              -58.57497419576017
            ],
            [
              -158.2563785620249,
              21.54815061523077,
              -58.57497419576017
            ],
            [
              -158.24672210701394,
              21.548107271003776,
              -7.07497419576017
            ],
            [
              -158.24676870557002,
              21.539072994744508,
              -7.07497419576017
            ],
            [
              -158.25642456420906,
              21.539116318611182,
              -58.57497419576017
            ]
          ]
        ]
      },
      "bbox": [
        -158.2564246,
        21.53907299,
        -58.5749742,
        -158.2467221,
        21.54815062,
        -7.074974196
      ],
      "properties": {
        "datetime": "2013-09-12T19:02:32Z",
        "pc:count": 858110,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 577717.9213,
            "count": 858110,
            "maximum": 577999.5969,
            "minimum": 576999.6369,
            "name": "X",
            "position": 0,
            "stddev": 228.59546,
            "variance": 52255.88432
          },
          {
            "average": 2382649.383,
            "count": 858110,
            "maximum": 2382998.454,
            "minimum": 2381998.454,
            "name": "Y",
            "position": 1,
            "stddev": 251.8154335,
            "variance": 63411.01253
          },
          {
            "average": -21.50203786,
            "count": 858110,
            "maximum": -7.074974196,
            "minimum": -58.5749742,
            "name": "Z",
            "position": 2,
            "stddev": 10.85945602,
            "variance": 117.9277851
          },
          {
            "average": 717.5230949,
            "count": 858110,
            "maximum": 8969,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1003.5504,
            "variance": 1007113.406
          },
          {
            "average": 1.007758912,
            "count": 858110,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08807376419,
            "variance": 0.007756987939
          },
          {
            "average": 1.010250434,
            "count": 858110,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1013700847,
            "variance": 0.01027589407
          },
          {
            "average": 1,
            "count": 858110,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 858110,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 858110,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.2113594,
            "count": 858110,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.388321893,
            "variance": 70.36394418
          },
          {
            "average": 184.1455746,
            "count": 858110,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.35891278,
            "variance": 7807.297467
          },
          {
            "average": 5.277143956,
            "count": 858110,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.271600031,
            "variance": 1.616966638
          },
          {
            "average": 62985111.95,
            "count": 858110,
            "maximum": 63047752.91,
            "minimum": 62969405.41,
            "name": "GpsTime",
            "position": 12,
            "stddev": 29632.49185,
            "variance": 878084573.3
          },
          {
            "average": 0,
            "count": 858110,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 858110,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 858110,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 858110,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 858110,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          576999.6369,
          2381998.454,
          -58.5749742,
          577999.5969,
          2382998.454,
          -7.074974196
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                576999.6369189846,
                2381998.454455981,
                -58.57497419576017
              ],
              [
                576999.6369189846,
                2382998.454455981,
                -58.57497419576017
              ],
              [
                577999.5969189845,
                2382998.454455981,
                -7.07497419576017
              ],
              [
                577999.5969189845,
                2381998.454455981,
                -7.07497419576017
              ],
              [
                576999.6369189846,
                2381998.454455981,
                -58.57497419576017
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:02:32+00:00",
        "end_time": "2013-09-11T21:16:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7782.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7782.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7782.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7782.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2564246,
            21.53907299,
            -58.5749742,
            -158.2467221,
            21.54815062,
            -7.074974196
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.25642456420906,
                  21.539116318611182,
                  -58.57497419576017
                ],
                [
                  -158.2563785620249,
                  21.54815061523077,
                  -58.57497419576017
                ],
                [
                  -158.24672210701394,
                  21.548107271003776,
                  -7.07497419576017
                ],
                [
                  -158.24676870557002,
                  21.539072994744508,
                  -7.07497419576017
                ],
                [
                  -158.25642456420906,
                  21.539116318611182,
                  -58.57497419576017
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7782.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7782.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:02:32Z",
            "pc:count": 858110,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 577717.9213,
                "count": 858110,
                "maximum": 577999.5969,
                "minimum": 576999.6369,
                "name": "X",
                "position": 0,
                "stddev": 228.59546,
                "variance": 52255.88432
              },
              {
                "average": 2382649.383,
                "count": 858110,
                "maximum": 2382998.454,
                "minimum": 2381998.454,
                "name": "Y",
                "position": 1,
                "stddev": 251.8154335,
                "variance": 63411.01253
              },
              {
                "average": -21.50203786,
                "count": 858110,
                "maximum": -7.074974196,
                "minimum": -58.5749742,
                "name": "Z",
                "position": 2,
                "stddev": 10.85945602,
                "variance": 117.9277851
              },
              {
                "average": 717.5230949,
                "count": 858110,
                "maximum": 8969,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1003.5504,
                "variance": 1007113.406
              },
              {
                "average": 1.007758912,
                "count": 858110,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08807376419,
                "variance": 0.007756987939
              },
              {
                "average": 1.010250434,
                "count": 858110,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1013700847,
                "variance": 0.01027589407
              },
              {
                "average": 1,
                "count": 858110,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 858110,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 858110,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.2113594,
                "count": 858110,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.388321893,
                "variance": 70.36394418
              },
              {
                "average": 184.1455746,
                "count": 858110,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.35891278,
                "variance": 7807.297467
              },
              {
                "average": 5.277143956,
                "count": 858110,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.271600031,
                "variance": 1.616966638
              },
              {
                "average": 62985111.95,
                "count": 858110,
                "maximum": 63047752.91,
                "minimum": 62969405.41,
                "name": "GpsTime",
                "position": 12,
                "stddev": 29632.49185,
                "variance": 878084573.3
              },
              {
                "average": 0,
                "count": 858110,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 858110,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 858110,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 858110,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 858110,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              576999.6369,
              2381998.454,
              -58.5749742,
              577999.5969,
              2382998.454,
              -7.074974196
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    576999.6369189846,
                    2381998.454455981,
                    -58.57497419576017
                  ],
                  [
                    576999.6369189846,
                    2382998.454455981,
                    -58.57497419576017
                  ],
                  [
                    577999.5969189845,
                    2382998.454455981,
                    -7.07497419576017
                  ],
                  [
                    577999.5969189845,
                    2381998.454455981,
                    -7.07497419576017
                  ],
                  [
                    576999.6369189846,
                    2381998.454455981,
                    -58.57497419576017
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:02:32+00:00",
            "end_time": "2013-09-11T21:16:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej8079.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.22759938902027,
              21.51188182869311,
              3.084602365719874
            ],
            [
              -158.2275516754195,
              21.520916092253234,
              3.084602365719874
            ],
            [
              -158.22470304638148,
              21.52090289383614,
              229.16460236571987
            ],
            [
              -158.22475093032259,
              21.511868638787487,
              229.16460236571987
            ],
            [
              -158.22759938902027,
              21.51188182869311,
              3.084602365719874
            ]
          ]
        ]
      },
      "bbox": [
        -158.2275994,
        21.51186864,
        3.084602366,
        -158.224703,
        21.52091609,
        229.1646024
      ],
      "properties": {
        "datetime": "2013-09-12T17:30:17Z",
        "pc:count": 3612455,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580112.4887,
            "count": 3612455,
            "maximum": 580294.6482,
            "minimum": 579999.6082,
            "name": "X",
            "position": 0,
            "stddev": 80.10745838,
            "variance": 6417.204888
          },
          {
            "average": 2379399.119,
            "count": 3612455,
            "maximum": 2379998.446,
            "minimum": 2378998.446,
            "name": "Y",
            "position": 1,
            "stddev": 267.174471,
            "variance": 71382.19798
          },
          {
            "average": 38.73157349,
            "count": 3612455,
            "maximum": 229.1646024,
            "minimum": 3.084602366,
            "name": "Z",
            "position": 2,
            "stddev": 49.44191775,
            "variance": 2444.503231
          },
          {
            "average": 10.85161781,
            "count": 3612455,
            "maximum": 417,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.62240942,
            "variance": 346.7941326
          },
          {
            "average": 2.07584399,
            "count": 3612455,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.214844393,
            "variance": 1.4758469
          },
          {
            "average": 3.153270283,
            "count": 3612455,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.643370596,
            "variance": 2.700666916
          },
          {
            "average": 1,
            "count": 3612455,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3612455,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.145707282,
            "count": 3612455,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3528125629,
            "variance": 0.1244767045
          },
          {
            "average": 19.4829733,
            "count": 3612455,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.682448156,
            "variance": 13.56042442
          },
          {
            "average": 91.30318412,
            "count": 3612455,
            "maximum": 203,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.65955364,
            "variance": 4443.496092
          },
          {
            "average": 1.708094634,
            "count": 3612455,
            "maximum": 3,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7340737239,
            "variance": 0.5388642321
          },
          {
            "average": 63041646.8,
            "count": 3612455,
            "maximum": 63042217.75,
            "minimum": 63041331.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 318.9743827,
            "variance": 101744.6568
          },
          {
            "average": 0,
            "count": 3612455,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3612455,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3612455,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3612455,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3612455,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.6082,
          2378998.446,
          3.084602366,
          580294.6482,
          2379998.446,
          229.1646024
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.608155742,
                2378998.4458706984,
                3.084602365719874
              ],
              [
                579999.608155742,
                2379998.4458706984,
                3.084602365719874
              ],
              [
                580294.6481557421,
                2379998.4458706984,
                229.16460236571987
              ],
              [
                580294.6481557421,
                2378998.4458706984,
                229.16460236571987
              ],
              [
                579999.608155742,
                2378998.4458706984,
                3.084602365719874
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T17:30:17+00:00",
        "end_time": "2013-09-12T17:15:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej8079.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej8079.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej8079.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8079.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2275994,
            21.51186864,
            3.084602366,
            -158.224703,
            21.52091609,
            229.1646024
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.22759938902027,
                  21.51188182869311,
                  3.084602365719874
                ],
                [
                  -158.2275516754195,
                  21.520916092253234,
                  3.084602365719874
                ],
                [
                  -158.22470304638148,
                  21.52090289383614,
                  229.16460236571987
                ],
                [
                  -158.22475093032259,
                  21.511868638787487,
                  229.16460236571987
                ],
                [
                  -158.22759938902027,
                  21.51188182869311,
                  3.084602365719874
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej8079.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8079.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T17:30:17Z",
            "pc:count": 3612455,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580112.4887,
                "count": 3612455,
                "maximum": 580294.6482,
                "minimum": 579999.6082,
                "name": "X",
                "position": 0,
                "stddev": 80.10745838,
                "variance": 6417.204888
              },
              {
                "average": 2379399.119,
                "count": 3612455,
                "maximum": 2379998.446,
                "minimum": 2378998.446,
                "name": "Y",
                "position": 1,
                "stddev": 267.174471,
                "variance": 71382.19798
              },
              {
                "average": 38.73157349,
                "count": 3612455,
                "maximum": 229.1646024,
                "minimum": 3.084602366,
                "name": "Z",
                "position": 2,
                "stddev": 49.44191775,
                "variance": 2444.503231
              },
              {
                "average": 10.85161781,
                "count": 3612455,
                "maximum": 417,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.62240942,
                "variance": 346.7941326
              },
              {
                "average": 2.07584399,
                "count": 3612455,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.214844393,
                "variance": 1.4758469
              },
              {
                "average": 3.153270283,
                "count": 3612455,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.643370596,
                "variance": 2.700666916
              },
              {
                "average": 1,
                "count": 3612455,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3612455,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.145707282,
                "count": 3612455,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3528125629,
                "variance": 0.1244767045
              },
              {
                "average": 19.4829733,
                "count": 3612455,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.682448156,
                "variance": 13.56042442
              },
              {
                "average": 91.30318412,
                "count": 3612455,
                "maximum": 203,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.65955364,
                "variance": 4443.496092
              },
              {
                "average": 1.708094634,
                "count": 3612455,
                "maximum": 3,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7340737239,
                "variance": 0.5388642321
              },
              {
                "average": 63041646.8,
                "count": 3612455,
                "maximum": 63042217.75,
                "minimum": 63041331.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 318.9743827,
                "variance": 101744.6568
              },
              {
                "average": 0,
                "count": 3612455,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3612455,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3612455,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3612455,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3612455,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.6082,
              2378998.446,
              3.084602366,
              580294.6482,
              2379998.446,
              229.1646024
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.608155742,
                    2378998.4458706984,
                    3.084602365719874
                  ],
                  [
                    579999.608155742,
                    2379998.4458706984,
                    3.084602365719874
                  ],
                  [
                    580294.6481557421,
                    2379998.4458706984,
                    229.16460236571987
                  ],
                  [
                    580294.6481557421,
                    2378998.4458706984,
                    229.16460236571987
                  ],
                  [
                    579999.608155742,
                    2378998.4458706984,
                    3.084602365719874
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T17:30:17+00:00",
            "end_time": "2013-09-12T17:15:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7783.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.25637921061312,
              21.548150634282354,
              -33.122472574837616
            ],
            [
              -158.2563331836263,
              21.557184921056923,
              -33.122472574837616
            ],
            [
              -158.24667555254635,
              21.55714155391737,
              36.49752742516239
            ],
            [
              -158.24672217618982,
              21.54810728747532,
              36.49752742516239
            ],
            [
              -158.25637921061312,
              21.548150634282354,
              -33.122472574837616
            ]
          ]
        ]
      },
      "bbox": [
        -158.2563792,
        21.54810729,
        -33.12247257,
        -158.2466756,
        21.55718492,
        36.49752743
      ],
      "properties": {
        "datetime": "2013-09-12T18:47:32Z",
        "pc:count": 2971304,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 577567.5748,
            "count": 2971304,
            "maximum": 577999.5897,
            "minimum": 576999.5697,
            "name": "X",
            "position": 0,
            "stddev": 276.7234385,
            "variance": 76575.8614
          },
          {
            "average": 2383622.186,
            "count": 2971304,
            "maximum": 2383998.456,
            "minimum": 2382998.456,
            "name": "Y",
            "position": 1,
            "stddev": 269.1148063,
            "variance": 72422.77898
          },
          {
            "average": -5.189214615,
            "count": 2971304,
            "maximum": 36.49752743,
            "minimum": -33.12247257,
            "name": "Z",
            "position": 2,
            "stddev": 9.359885127,
            "variance": 87.6074496
          },
          {
            "average": 63.87367499,
            "count": 2971304,
            "maximum": 7660,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 185.5720499,
            "variance": 34436.98569
          },
          {
            "average": 1.071330635,
            "count": 2971304,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3036737289,
            "variance": 0.09221773365
          },
          {
            "average": 1.130480086,
            "count": 2971304,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4452219621,
            "variance": 0.1982225955
          },
          {
            "average": 1,
            "count": 2971304,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2971304,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 22.80849957,
            "count": 2971304,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.54951426,
            "variance": 133.3912796
          },
          {
            "average": 18.10503018,
            "count": 2971304,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.407213904,
            "variance": 41.05239001
          },
          {
            "average": 115.1800203,
            "count": 2971304,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 83.75894116,
            "variance": 7015.560225
          },
          {
            "average": 3.291514096,
            "count": 2971304,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.624407685,
            "variance": 2.638700326
          },
          {
            "average": 63037029,
            "count": 2971304,
            "maximum": 63046852.56,
            "minimum": 62970392.92,
            "name": "GpsTime",
            "position": 12,
            "stddev": 23802.33663,
            "variance": 566551228.9
          },
          {
            "average": 0,
            "count": 2971304,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2971304,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2971304,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2971304,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2971304,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          576999.5697,
          2382998.456,
          -33.12247257,
          577999.5897,
          2383998.456,
          36.49752743
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                576999.5697469356,
                2382998.4562445777,
                -33.122472574837616
              ],
              [
                576999.5697469356,
                2383998.4562445777,
                -33.122472574837616
              ],
              [
                577999.5897469356,
                2383998.4562445777,
                36.49752742516239
              ],
              [
                577999.5897469356,
                2382998.4562445777,
                36.49752742516239
              ],
              [
                576999.5697469356,
                2382998.4562445777,
                -33.122472574837616
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:47:32+00:00",
        "end_time": "2013-09-11T21:33:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7783.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7783.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7783.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7783.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2563792,
            21.54810729,
            -33.12247257,
            -158.2466756,
            21.55718492,
            36.49752743
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.25637921061312,
                  21.548150634282354,
                  -33.122472574837616
                ],
                [
                  -158.2563331836263,
                  21.557184921056923,
                  -33.122472574837616
                ],
                [
                  -158.24667555254635,
                  21.55714155391737,
                  36.49752742516239
                ],
                [
                  -158.24672217618982,
                  21.54810728747532,
                  36.49752742516239
                ],
                [
                  -158.25637921061312,
                  21.548150634282354,
                  -33.122472574837616
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7783.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7783.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:47:32Z",
            "pc:count": 2971304,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 577567.5748,
                "count": 2971304,
                "maximum": 577999.5897,
                "minimum": 576999.5697,
                "name": "X",
                "position": 0,
                "stddev": 276.7234385,
                "variance": 76575.8614
              },
              {
                "average": 2383622.186,
                "count": 2971304,
                "maximum": 2383998.456,
                "minimum": 2382998.456,
                "name": "Y",
                "position": 1,
                "stddev": 269.1148063,
                "variance": 72422.77898
              },
              {
                "average": -5.189214615,
                "count": 2971304,
                "maximum": 36.49752743,
                "minimum": -33.12247257,
                "name": "Z",
                "position": 2,
                "stddev": 9.359885127,
                "variance": 87.6074496
              },
              {
                "average": 63.87367499,
                "count": 2971304,
                "maximum": 7660,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 185.5720499,
                "variance": 34436.98569
              },
              {
                "average": 1.071330635,
                "count": 2971304,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3036737289,
                "variance": 0.09221773365
              },
              {
                "average": 1.130480086,
                "count": 2971304,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4452219621,
                "variance": 0.1982225955
              },
              {
                "average": 1,
                "count": 2971304,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2971304,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 22.80849957,
                "count": 2971304,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.54951426,
                "variance": 133.3912796
              },
              {
                "average": 18.10503018,
                "count": 2971304,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.407213904,
                "variance": 41.05239001
              },
              {
                "average": 115.1800203,
                "count": 2971304,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 83.75894116,
                "variance": 7015.560225
              },
              {
                "average": 3.291514096,
                "count": 2971304,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.624407685,
                "variance": 2.638700326
              },
              {
                "average": 63037029,
                "count": 2971304,
                "maximum": 63046852.56,
                "minimum": 62970392.92,
                "name": "GpsTime",
                "position": 12,
                "stddev": 23802.33663,
                "variance": 566551228.9
              },
              {
                "average": 0,
                "count": 2971304,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2971304,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2971304,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2971304,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2971304,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              576999.5697,
              2382998.456,
              -33.12247257,
              577999.5897,
              2383998.456,
              36.49752743
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    576999.5697469356,
                    2382998.4562445777,
                    -33.122472574837616
                  ],
                  [
                    576999.5697469356,
                    2383998.4562445777,
                    -33.122472574837616
                  ],
                  [
                    577999.5897469356,
                    2383998.4562445777,
                    36.49752742516239
                  ],
                  [
                    577999.5897469356,
                    2382998.4562445777,
                    36.49752742516239
                  ],
                  [
                    576999.5697469356,
                    2382998.4562445777,
                    -33.122472574837616
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:47:32+00:00",
            "end_time": "2013-09-11T21:33:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9061.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.13201797061038,
              21.348792749504167,
              -8.038297804979607
            ],
            [
              -158.13196478181365,
              21.35782696981728,
              -8.038297804979607
            ],
            [
              -158.12232074688455,
              21.35777685510763,
              145.6217021950204
            ],
            [
              -158.12237452504317,
              21.3487426598072,
              145.6217021950204
            ],
            [
              -158.13201797061038,
              21.348792749504167,
              -8.038297804979607
            ]
          ]
        ]
      },
      "bbox": [
        -158.132018,
        21.34874266,
        -8.038297805,
        -158.1223207,
        21.35782697,
        145.6217022
      ],
      "properties": {
        "datetime": "2013-09-10T23:55:21Z",
        "pc:count": 9533309,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590416.0893,
            "count": 9533309,
            "maximum": 590999.6627,
            "minimum": 589999.6627,
            "name": "X",
            "position": 0,
            "stddev": 223.5468956,
            "variance": 49973.21455
          },
          {
            "average": 2361473.691,
            "count": 9533309,
            "maximum": 2361998.464,
            "minimum": 2360998.464,
            "name": "Y",
            "position": 1,
            "stddev": 289.4802,
            "variance": 83798.7862
          },
          {
            "average": 27.16241422,
            "count": 9533309,
            "maximum": 145.6217022,
            "minimum": -8.038297805,
            "name": "Z",
            "position": 2,
            "stddev": 27.42919118,
            "variance": 752.3605289
          },
          {
            "average": 29.06115537,
            "count": 9533309,
            "maximum": 7048,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 61.4803399,
            "variance": 3779.832195
          },
          {
            "average": 1.395483037,
            "count": 9533309,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.829536274,
            "variance": 0.6881304299
          },
          {
            "average": 1.790806634,
            "count": 9533309,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.279228204,
            "variance": 1.636424799
          },
          {
            "average": 1,
            "count": 9533309,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9533309,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.040133704,
            "count": 9533309,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.591785637,
            "variance": 92.00235171
          },
          {
            "average": 20.25263528,
            "count": 9533309,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.905833533,
            "variance": 8.443868523
          },
          {
            "average": 90.31901305,
            "count": 9533309,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.20728312,
            "variance": 4383.404339
          },
          {
            "average": 3.164406608,
            "count": 9533309,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.299301354,
            "variance": 1.688184008
          },
          {
            "average": 62799021.61,
            "count": 9533309,
            "maximum": 62892521.01,
            "minimum": 62715670.68,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86438.65678,
            "variance": 7471641386
          },
          {
            "average": 0,
            "count": 9533309,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9533309,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9533309,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9533309,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9533309,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          589999.6627,
          2360998.464,
          -8.038297805,
          590999.6627,
          2361998.464,
          145.6217022
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                589999.6626840669,
                2360998.4640081413,
                -8.038297804979607
              ],
              [
                589999.6626840669,
                2361998.4640081413,
                -8.038297804979607
              ],
              [
                590999.6626840669,
                2361998.4640081413,
                145.6217021950204
              ],
              [
                590999.6626840669,
                2360998.4640081413,
                145.6217021950204
              ],
              [
                589999.6626840669,
                2360998.4640081413,
                -8.038297804979607
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:55:21+00:00",
        "end_time": "2013-09-08T22:47:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9061.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9061.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9061.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9061.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.132018,
            21.34874266,
            -8.038297805,
            -158.1223207,
            21.35782697,
            145.6217022
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.13201797061038,
                  21.348792749504167,
                  -8.038297804979607
                ],
                [
                  -158.13196478181365,
                  21.35782696981728,
                  -8.038297804979607
                ],
                [
                  -158.12232074688455,
                  21.35777685510763,
                  145.6217021950204
                ],
                [
                  -158.12237452504317,
                  21.3487426598072,
                  145.6217021950204
                ],
                [
                  -158.13201797061038,
                  21.348792749504167,
                  -8.038297804979607
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9061.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9061.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:55:21Z",
            "pc:count": 9533309,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590416.0893,
                "count": 9533309,
                "maximum": 590999.6627,
                "minimum": 589999.6627,
                "name": "X",
                "position": 0,
                "stddev": 223.5468956,
                "variance": 49973.21455
              },
              {
                "average": 2361473.691,
                "count": 9533309,
                "maximum": 2361998.464,
                "minimum": 2360998.464,
                "name": "Y",
                "position": 1,
                "stddev": 289.4802,
                "variance": 83798.7862
              },
              {
                "average": 27.16241422,
                "count": 9533309,
                "maximum": 145.6217022,
                "minimum": -8.038297805,
                "name": "Z",
                "position": 2,
                "stddev": 27.42919118,
                "variance": 752.3605289
              },
              {
                "average": 29.06115537,
                "count": 9533309,
                "maximum": 7048,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 61.4803399,
                "variance": 3779.832195
              },
              {
                "average": 1.395483037,
                "count": 9533309,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.829536274,
                "variance": 0.6881304299
              },
              {
                "average": 1.790806634,
                "count": 9533309,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.279228204,
                "variance": 1.636424799
              },
              {
                "average": 1,
                "count": 9533309,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9533309,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.040133704,
                "count": 9533309,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.591785637,
                "variance": 92.00235171
              },
              {
                "average": 20.25263528,
                "count": 9533309,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.905833533,
                "variance": 8.443868523
              },
              {
                "average": 90.31901305,
                "count": 9533309,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.20728312,
                "variance": 4383.404339
              },
              {
                "average": 3.164406608,
                "count": 9533309,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.299301354,
                "variance": 1.688184008
              },
              {
                "average": 62799021.61,
                "count": 9533309,
                "maximum": 62892521.01,
                "minimum": 62715670.68,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86438.65678,
                "variance": 7471641386
              },
              {
                "average": 0,
                "count": 9533309,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9533309,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9533309,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9533309,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9533309,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              589999.6627,
              2360998.464,
              -8.038297805,
              590999.6627,
              2361998.464,
              145.6217022
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    589999.6626840669,
                    2360998.4640081413,
                    -8.038297804979607
                  ],
                  [
                    589999.6626840669,
                    2361998.4640081413,
                    -8.038297804979607
                  ],
                  [
                    590999.6626840669,
                    2361998.4640081413,
                    145.6217021950204
                  ],
                  [
                    590999.6626840669,
                    2360998.4640081413,
                    145.6217021950204
                  ],
                  [
                    589999.6626840669,
                    2360998.4640081413,
                    -8.038297804979607
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:55:21+00:00",
            "end_time": "2013-09-08T22:47:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej8080.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2275516839497,
              21.520916074668982,
              2.631246498599701
            ],
            [
              -158.22750394226662,
              21.529950329148573,
              2.631246498599701
            ],
            [
              -158.21991212360186,
              21.52991501726012,
              123.11124649859971
            ],
            [
              -158.2199603313629,
              21.520880780803413,
              123.11124649859971
            ],
            [
              -158.2275516839497,
              21.520916074668982,
              2.631246498599701
            ]
          ]
        ]
      },
      "bbox": [
        -158.2275517,
        21.52088078,
        2.631246499,
        -158.2199121,
        21.52995033,
        123.1112465
      ],
      "properties": {
        "datetime": "2013-09-12T18:57:55Z",
        "pc:count": 2150265,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580207.071,
            "count": 2150265,
            "maximum": 580785.8673,
            "minimum": 579999.6073,
            "name": "X",
            "position": 0,
            "stddev": 178.1123313,
            "variance": 31724.00257
          },
          {
            "average": 2380568.294,
            "count": 2150265,
            "maximum": 2380998.444,
            "minimum": 2379998.444,
            "name": "Y",
            "position": 1,
            "stddev": 311.662666,
            "variance": 97133.6174
          },
          {
            "average": 29.79829184,
            "count": 2150265,
            "maximum": 123.1112465,
            "minimum": 2.631246499,
            "name": "Z",
            "position": 2,
            "stddev": 27.60631012,
            "variance": 762.1083583
          },
          {
            "average": 21.90224972,
            "count": 2150265,
            "maximum": 832,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 26.11915307,
            "variance": 682.210157
          },
          {
            "average": 1.258377456,
            "count": 2150265,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5506708797,
            "variance": 0.3032384178
          },
          {
            "average": 1.517269267,
            "count": 2150265,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7850131958,
            "variance": 0.6162457176
          },
          {
            "average": 1,
            "count": 2150265,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2150265,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.270021602,
            "count": 2150265,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4439707514,
            "variance": 0.1971100281
          },
          {
            "average": 19.15121047,
            "count": 2150265,
            "maximum": 40.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.406221918,
            "variance": 54.8521231
          },
          {
            "average": 90.87884842,
            "count": 2150265,
            "maximum": 206,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.20229725,
            "variance": 4251.339567
          },
          {
            "average": 3.158071214,
            "count": 2150265,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.872719639,
            "variance": 3.507078845
          },
          {
            "average": 63043690.88,
            "count": 2150265,
            "maximum": 63047475.36,
            "minimum": 63041346.18,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2351.05525,
            "variance": 5527460.786
          },
          {
            "average": 0,
            "count": 2150265,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2150265,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2150265,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2150265,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2150265,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.6073,
          2379998.444,
          2.631246499,
          580785.8673,
          2380998.444,
          123.1112465
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.6072818793,
                2379998.44391998,
                2.631246498599701
              ],
              [
                579999.6072818793,
                2380998.44391998,
                2.631246498599701
              ],
              [
                580785.8672818793,
                2380998.44391998,
                123.11124649859971
              ],
              [
                580785.8672818793,
                2379998.44391998,
                123.11124649859971
              ],
              [
                579999.6072818793,
                2379998.44391998,
                2.631246498599701
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:57:55+00:00",
        "end_time": "2013-09-12T17:15:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej8080.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej8080.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej8080.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8080.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2275517,
            21.52088078,
            2.631246499,
            -158.2199121,
            21.52995033,
            123.1112465
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2275516839497,
                  21.520916074668982,
                  2.631246498599701
                ],
                [
                  -158.22750394226662,
                  21.529950329148573,
                  2.631246498599701
                ],
                [
                  -158.21991212360186,
                  21.52991501726012,
                  123.11124649859971
                ],
                [
                  -158.2199603313629,
                  21.520880780803413,
                  123.11124649859971
                ],
                [
                  -158.2275516839497,
                  21.520916074668982,
                  2.631246498599701
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej8080.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8080.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:57:55Z",
            "pc:count": 2150265,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580207.071,
                "count": 2150265,
                "maximum": 580785.8673,
                "minimum": 579999.6073,
                "name": "X",
                "position": 0,
                "stddev": 178.1123313,
                "variance": 31724.00257
              },
              {
                "average": 2380568.294,
                "count": 2150265,
                "maximum": 2380998.444,
                "minimum": 2379998.444,
                "name": "Y",
                "position": 1,
                "stddev": 311.662666,
                "variance": 97133.6174
              },
              {
                "average": 29.79829184,
                "count": 2150265,
                "maximum": 123.1112465,
                "minimum": 2.631246499,
                "name": "Z",
                "position": 2,
                "stddev": 27.60631012,
                "variance": 762.1083583
              },
              {
                "average": 21.90224972,
                "count": 2150265,
                "maximum": 832,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 26.11915307,
                "variance": 682.210157
              },
              {
                "average": 1.258377456,
                "count": 2150265,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5506708797,
                "variance": 0.3032384178
              },
              {
                "average": 1.517269267,
                "count": 2150265,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7850131958,
                "variance": 0.6162457176
              },
              {
                "average": 1,
                "count": 2150265,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2150265,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.270021602,
                "count": 2150265,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4439707514,
                "variance": 0.1971100281
              },
              {
                "average": 19.15121047,
                "count": 2150265,
                "maximum": 40.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.406221918,
                "variance": 54.8521231
              },
              {
                "average": 90.87884842,
                "count": 2150265,
                "maximum": 206,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.20229725,
                "variance": 4251.339567
              },
              {
                "average": 3.158071214,
                "count": 2150265,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.872719639,
                "variance": 3.507078845
              },
              {
                "average": 63043690.88,
                "count": 2150265,
                "maximum": 63047475.36,
                "minimum": 63041346.18,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2351.05525,
                "variance": 5527460.786
              },
              {
                "average": 0,
                "count": 2150265,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2150265,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2150265,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2150265,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2150265,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.6073,
              2379998.444,
              2.631246499,
              580785.8673,
              2380998.444,
              123.1112465
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.6072818793,
                    2379998.44391998,
                    2.631246498599701
                  ],
                  [
                    579999.6072818793,
                    2380998.44391998,
                    2.631246498599701
                  ],
                  [
                    580785.8672818793,
                    2380998.44391998,
                    123.11124649859971
                  ],
                  [
                    580785.8672818793,
                    2379998.44391998,
                    123.11124649859971
                  ],
                  [
                    579999.6072818793,
                    2379998.44391998,
                    2.631246498599701
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:57:55+00:00",
            "end_time": "2013-09-12T17:15:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej7784.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.25633318306916,
              21.557184818828755,
              -11.540528647355856
            ],
            [
              -158.25630387763564,
              21.562934414489256,
              -11.540528647355856
            ],
            [
              -158.248756484486,
              21.562900562241737,
              223.17947135264416
            ],
            [
              -158.24878608676332,
              21.557150976667124,
              223.17947135264416
            ],
            [
              -158.25633318306916,
              21.557184818828755,
              -11.540528647355856
            ]
          ]
        ]
      },
      "bbox": [
        -158.2563332,
        21.55715098,
        -11.54052865,
        -158.2487565,
        21.56293441,
        223.1794714
      ],
      "properties": {
        "datetime": "2013-09-12T18:33:39Z",
        "pc:count": 2787613,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 577286.9982,
            "count": 2787613,
            "maximum": 577781.0499,
            "minimum": 576999.5699,
            "name": "X",
            "position": 0,
            "stddev": 188.7200836,
            "variance": 35615.26996
          },
          {
            "average": 2384215.037,
            "count": 2787613,
            "maximum": 2384634.865,
            "minimum": 2383998.445,
            "name": "Y",
            "position": 1,
            "stddev": 132.7039804,
            "variance": 17610.34642
          },
          {
            "average": 59.28274228,
            "count": 2787613,
            "maximum": 223.1794714,
            "minimum": -11.54052865,
            "name": "Z",
            "position": 2,
            "stddev": 40.34571344,
            "variance": 1627.776593
          },
          {
            "average": 9.2746816,
            "count": 2787613,
            "maximum": 1523,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.39007454,
            "variance": 268.6345433
          },
          {
            "average": 1.766088406,
            "count": 2787613,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9748105203,
            "variance": 0.9502555505
          },
          {
            "average": 2.531575581,
            "count": 2787613,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.31491019,
            "variance": 1.728988809
          },
          {
            "average": 1,
            "count": 2787613,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2787613,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.864988433,
            "count": 2787613,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.770564592,
            "variance": 45.8405449
          },
          {
            "average": 20.41708936,
            "count": 2787613,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.549510678,
            "variance": 12.59902606
          },
          {
            "average": 90.56737252,
            "count": 2787613,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.81464188,
            "variance": 4598.825653
          },
          {
            "average": 1.727142182,
            "count": 2787613,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7256073064,
            "variance": 0.5265059631
          },
          {
            "average": 63045202.54,
            "count": 2787613,
            "maximum": 63046019.69,
            "minimum": 63044963.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 236.3173191,
            "variance": 55845.87532
          },
          {
            "average": 0,
            "count": 2787613,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2787613,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2787613,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2787613,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2787613,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          576999.5699,
          2383998.445,
          -11.54052865,
          577781.0499,
          2384634.865,
          223.1794714
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                576999.5698585672,
                2383998.444929527,
                -11.540528647355856
              ],
              [
                576999.5698585672,
                2384634.864929527,
                -11.540528647355856
              ],
              [
                577781.0498585672,
                2384634.864929527,
                223.17947135264416
              ],
              [
                577781.0498585672,
                2383998.444929527,
                223.17947135264416
              ],
              [
                576999.5698585672,
                2383998.444929527,
                -11.540528647355856
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:33:39+00:00",
        "end_time": "2013-09-12T18:16:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej7784.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej7784.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej7784.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7784.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2563332,
            21.55715098,
            -11.54052865,
            -158.2487565,
            21.56293441,
            223.1794714
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.25633318306916,
                  21.557184818828755,
                  -11.540528647355856
                ],
                [
                  -158.25630387763564,
                  21.562934414489256,
                  -11.540528647355856
                ],
                [
                  -158.248756484486,
                  21.562900562241737,
                  223.17947135264416
                ],
                [
                  -158.24878608676332,
                  21.557150976667124,
                  223.17947135264416
                ],
                [
                  -158.25633318306916,
                  21.557184818828755,
                  -11.540528647355856
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej7784.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7784.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:33:39Z",
            "pc:count": 2787613,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 577286.9982,
                "count": 2787613,
                "maximum": 577781.0499,
                "minimum": 576999.5699,
                "name": "X",
                "position": 0,
                "stddev": 188.7200836,
                "variance": 35615.26996
              },
              {
                "average": 2384215.037,
                "count": 2787613,
                "maximum": 2384634.865,
                "minimum": 2383998.445,
                "name": "Y",
                "position": 1,
                "stddev": 132.7039804,
                "variance": 17610.34642
              },
              {
                "average": 59.28274228,
                "count": 2787613,
                "maximum": 223.1794714,
                "minimum": -11.54052865,
                "name": "Z",
                "position": 2,
                "stddev": 40.34571344,
                "variance": 1627.776593
              },
              {
                "average": 9.2746816,
                "count": 2787613,
                "maximum": 1523,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.39007454,
                "variance": 268.6345433
              },
              {
                "average": 1.766088406,
                "count": 2787613,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9748105203,
                "variance": 0.9502555505
              },
              {
                "average": 2.531575581,
                "count": 2787613,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.31491019,
                "variance": 1.728988809
              },
              {
                "average": 1,
                "count": 2787613,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2787613,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.864988433,
                "count": 2787613,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.770564592,
                "variance": 45.8405449
              },
              {
                "average": 20.41708936,
                "count": 2787613,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.549510678,
                "variance": 12.59902606
              },
              {
                "average": 90.56737252,
                "count": 2787613,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.81464188,
                "variance": 4598.825653
              },
              {
                "average": 1.727142182,
                "count": 2787613,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7256073064,
                "variance": 0.5265059631
              },
              {
                "average": 63045202.54,
                "count": 2787613,
                "maximum": 63046019.69,
                "minimum": 63044963.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 236.3173191,
                "variance": 55845.87532
              },
              {
                "average": 0,
                "count": 2787613,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2787613,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2787613,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2787613,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2787613,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              576999.5699,
              2383998.445,
              -11.54052865,
              577781.0499,
              2384634.865,
              223.1794714
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    576999.5698585672,
                    2383998.444929527,
                    -11.540528647355856
                  ],
                  [
                    576999.5698585672,
                    2384634.864929527,
                    -11.540528647355856
                  ],
                  [
                    577781.0498585672,
                    2384634.864929527,
                    223.17947135264416
                  ],
                  [
                    577781.0498585672,
                    2383998.444929527,
                    223.17947135264416
                  ],
                  [
                    576999.5698585672,
                    2383998.444929527,
                    -11.540528647355856
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:33:39+00:00",
            "end_time": "2013-09-12T18:16:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7785.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.25062656979586,
              21.575044376901126,
              36.26832383508225
            ],
            [
              -158.2506256243559,
              21.57522831424143,
              36.26832383508225
            ],
            [
              -158.24748174181545,
              21.575214140823313,
              143.24832383508226
            ],
            [
              -158.24748269121358,
              21.575030203617654,
              143.24832383508226
            ],
            [
              -158.25062656979586,
              21.575044376901126,
              36.26832383508225
            ]
          ]
        ]
      },
      "bbox": [
        -158.2506266,
        21.5750302,
        36.26832384,
        -158.2474817,
        21.57522831,
        143.2483238
      ],
      "properties": {
        "datetime": "2013-09-11T20:07:13Z",
        "pc:count": 46842,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 577723.0461,
            "count": 46842,
            "maximum": 577906.4606,
            "minimum": 577580.9606,
            "name": "X",
            "position": 0,
            "stddev": 89.32717962,
            "variance": 7979.345019
          },
          {
            "average": 2385992.952,
            "count": 46842,
            "maximum": 2385998.458,
            "minimum": 2385978.098,
            "name": "Y",
            "position": 1,
            "stddev": 4.555309874,
            "variance": 20.75084805
          },
          {
            "average": 95.67175046,
            "count": 46842,
            "maximum": 143.2483238,
            "minimum": 36.26832384,
            "name": "Z",
            "position": 2,
            "stddev": 32.16229348,
            "variance": 1034.413122
          },
          {
            "average": 22.6492464,
            "count": 46842,
            "maximum": 346,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 32.26631152,
            "variance": 1041.114859
          },
          {
            "average": 1.33299176,
            "count": 46842,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6509792066,
            "variance": 0.4237739274
          },
          {
            "average": 1.652747534,
            "count": 46842,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9355023976,
            "variance": 0.8751647359
          },
          {
            "average": 1,
            "count": 46842,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 46842,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.169014987,
            "count": 46842,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3747691547,
            "variance": 0.1404519193
          },
          {
            "average": 22.37361359,
            "count": 46842,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.384512157,
            "variance": 1.916873913
          },
          {
            "average": 89.43113018,
            "count": 46842,
            "maximum": 193,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.27196514,
            "variance": 4391.973364
          },
          {
            "average": 2,
            "count": 46842,
            "maximum": 2,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62965230.55,
            "count": 46842,
            "maximum": 62965233.56,
            "minimum": 62965227.63,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.39773836,
            "variance": 1.953672524
          },
          {
            "average": 0,
            "count": 46842,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 46842,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 46842,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 46842,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 46842,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          577580.9606,
          2385978.098,
          36.26832384,
          577906.4606,
          2385998.458,
          143.2483238
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                577580.9606466155,
                2385978.098498782,
                36.26832383508225
              ],
              [
                577580.9606466155,
                2385998.4584987825,
                36.26832383508225
              ],
              [
                577906.4606466155,
                2385998.4584987825,
                143.24832383508226
              ],
              [
                577906.4606466155,
                2385978.098498782,
                143.24832383508226
              ],
              [
                577580.9606466155,
                2385978.098498782,
                36.26832383508225
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:07:13+00:00",
        "end_time": "2013-09-11T20:07:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7785.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7785.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7785.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7785.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2506266,
            21.5750302,
            36.26832384,
            -158.2474817,
            21.57522831,
            143.2483238
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.25062656979586,
                  21.575044376901126,
                  36.26832383508225
                ],
                [
                  -158.2506256243559,
                  21.57522831424143,
                  36.26832383508225
                ],
                [
                  -158.24748174181545,
                  21.575214140823313,
                  143.24832383508226
                ],
                [
                  -158.24748269121358,
                  21.575030203617654,
                  143.24832383508226
                ],
                [
                  -158.25062656979586,
                  21.575044376901126,
                  36.26832383508225
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7785.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7785.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:07:13Z",
            "pc:count": 46842,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 577723.0461,
                "count": 46842,
                "maximum": 577906.4606,
                "minimum": 577580.9606,
                "name": "X",
                "position": 0,
                "stddev": 89.32717962,
                "variance": 7979.345019
              },
              {
                "average": 2385992.952,
                "count": 46842,
                "maximum": 2385998.458,
                "minimum": 2385978.098,
                "name": "Y",
                "position": 1,
                "stddev": 4.555309874,
                "variance": 20.75084805
              },
              {
                "average": 95.67175046,
                "count": 46842,
                "maximum": 143.2483238,
                "minimum": 36.26832384,
                "name": "Z",
                "position": 2,
                "stddev": 32.16229348,
                "variance": 1034.413122
              },
              {
                "average": 22.6492464,
                "count": 46842,
                "maximum": 346,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 32.26631152,
                "variance": 1041.114859
              },
              {
                "average": 1.33299176,
                "count": 46842,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6509792066,
                "variance": 0.4237739274
              },
              {
                "average": 1.652747534,
                "count": 46842,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9355023976,
                "variance": 0.8751647359
              },
              {
                "average": 1,
                "count": 46842,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 46842,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.169014987,
                "count": 46842,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3747691547,
                "variance": 0.1404519193
              },
              {
                "average": 22.37361359,
                "count": 46842,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.384512157,
                "variance": 1.916873913
              },
              {
                "average": 89.43113018,
                "count": 46842,
                "maximum": 193,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.27196514,
                "variance": 4391.973364
              },
              {
                "average": 2,
                "count": 46842,
                "maximum": 2,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62965230.55,
                "count": 46842,
                "maximum": 62965233.56,
                "minimum": 62965227.63,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.39773836,
                "variance": 1.953672524
              },
              {
                "average": 0,
                "count": 46842,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 46842,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 46842,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 46842,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 46842,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              577580.9606,
              2385978.098,
              36.26832384,
              577906.4606,
              2385998.458,
              143.2483238
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    577580.9606466155,
                    2385978.098498782,
                    36.26832383508225
                  ],
                  [
                    577580.9606466155,
                    2385998.4584987825,
                    36.26832383508225
                  ],
                  [
                    577906.4606466155,
                    2385998.4584987825,
                    143.24832383508226
                  ],
                  [
                    577906.4606466155,
                    2385978.098498782,
                    143.24832383508226
                  ],
                  [
                    577580.9606466155,
                    2385978.098498782,
                    36.26832383508225
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:07:13+00:00",
            "end_time": "2013-09-11T20:07:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej8081.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.22750403326182,
              21.529950294085353,
              2.588671419893391
            ],
            [
              -158.22747296095,
              21.535827793850242,
              2.588671419893391
            ],
            [
              -158.22038681329843,
              21.53579483518815,
              42.1086714198934
            ],
            [
              -158.22041816700252,
              21.529917346734198,
              42.1086714198934
            ],
            [
              -158.22750403326182,
              21.529950294085353,
              2.588671419893391
            ]
          ]
        ]
      },
      "bbox": [
        -158.227504,
        21.52991735,
        2.58867142,
        -158.2203868,
        21.53582779,
        42.10867142
      ],
      "properties": {
        "datetime": "2013-09-12T18:46:38Z",
        "pc:count": 2309649,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580241.7111,
            "count": 2309649,
            "maximum": 580733.4579,
            "minimum": 579999.5979,
            "name": "X",
            "position": 0,
            "stddev": 179.3504867,
            "variance": 32166.59707
          },
          {
            "average": 2381234.643,
            "count": 2309649,
            "maximum": 2381649.02,
            "minimum": 2380998.44,
            "name": "Y",
            "position": 1,
            "stddev": 160.4737557,
            "variance": 25751.82625
          },
          {
            "average": 14.52183713,
            "count": 2309649,
            "maximum": 42.10867142,
            "minimum": 2.58867142,
            "name": "Z",
            "position": 2,
            "stddev": 7.651308101,
            "variance": 58.54251565
          },
          {
            "average": 13.43706511,
            "count": 2309649,
            "maximum": 327,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.11027556,
            "variance": 365.2026318
          },
          {
            "average": 1.576285401,
            "count": 2309649,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7302763094,
            "variance": 0.533303488
          },
          {
            "average": 2.152010111,
            "count": 2309649,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8829454805,
            "variance": 0.7795927216
          },
          {
            "average": 1,
            "count": 2309649,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2309649,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.161016241,
            "count": 2309649,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3675460102,
            "variance": 0.1350900696
          },
          {
            "average": 23.43627095,
            "count": 2309649,
            "maximum": 40.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.064454473,
            "variance": 65.03542595
          },
          {
            "average": 89.96448291,
            "count": 2309649,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.40291165,
            "variance": 4678.958322
          },
          {
            "average": 4.092837916,
            "count": 2309649,
            "maximum": 6,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.026156843,
            "variance": 1.052997866
          },
          {
            "average": 63046003.52,
            "count": 2309649,
            "maximum": 63046798.57,
            "minimum": 63045219.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 412.0165513,
            "variance": 169757.6385
          },
          {
            "average": 0,
            "count": 2309649,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2309649,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2309649,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2309649,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2309649,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.5979,
          2380998.44,
          2.58867142,
          580733.4579,
          2381649.02,
          42.10867142
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.5978772183,
                2380998.439992304,
                2.588671419893391
              ],
              [
                579999.5978772183,
                2381649.019992304,
                2.588671419893391
              ],
              [
                580733.4578772184,
                2381649.019992304,
                42.1086714198934
              ],
              [
                580733.4578772184,
                2380998.439992304,
                42.1086714198934
              ],
              [
                579999.5978772183,
                2380998.439992304,
                2.588671419893391
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:46:38+00:00",
        "end_time": "2013-09-12T18:20:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej8081.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej8081.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej8081.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8081.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.227504,
            21.52991735,
            2.58867142,
            -158.2203868,
            21.53582779,
            42.10867142
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.22750403326182,
                  21.529950294085353,
                  2.588671419893391
                ],
                [
                  -158.22747296095,
                  21.535827793850242,
                  2.588671419893391
                ],
                [
                  -158.22038681329843,
                  21.53579483518815,
                  42.1086714198934
                ],
                [
                  -158.22041816700252,
                  21.529917346734198,
                  42.1086714198934
                ],
                [
                  -158.22750403326182,
                  21.529950294085353,
                  2.588671419893391
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej8081.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8081.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:46:38Z",
            "pc:count": 2309649,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580241.7111,
                "count": 2309649,
                "maximum": 580733.4579,
                "minimum": 579999.5979,
                "name": "X",
                "position": 0,
                "stddev": 179.3504867,
                "variance": 32166.59707
              },
              {
                "average": 2381234.643,
                "count": 2309649,
                "maximum": 2381649.02,
                "minimum": 2380998.44,
                "name": "Y",
                "position": 1,
                "stddev": 160.4737557,
                "variance": 25751.82625
              },
              {
                "average": 14.52183713,
                "count": 2309649,
                "maximum": 42.10867142,
                "minimum": 2.58867142,
                "name": "Z",
                "position": 2,
                "stddev": 7.651308101,
                "variance": 58.54251565
              },
              {
                "average": 13.43706511,
                "count": 2309649,
                "maximum": 327,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.11027556,
                "variance": 365.2026318
              },
              {
                "average": 1.576285401,
                "count": 2309649,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7302763094,
                "variance": 0.533303488
              },
              {
                "average": 2.152010111,
                "count": 2309649,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8829454805,
                "variance": 0.7795927216
              },
              {
                "average": 1,
                "count": 2309649,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2309649,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.161016241,
                "count": 2309649,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3675460102,
                "variance": 0.1350900696
              },
              {
                "average": 23.43627095,
                "count": 2309649,
                "maximum": 40.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.064454473,
                "variance": 65.03542595
              },
              {
                "average": 89.96448291,
                "count": 2309649,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.40291165,
                "variance": 4678.958322
              },
              {
                "average": 4.092837916,
                "count": 2309649,
                "maximum": 6,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.026156843,
                "variance": 1.052997866
              },
              {
                "average": 63046003.52,
                "count": 2309649,
                "maximum": 63046798.57,
                "minimum": 63045219.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 412.0165513,
                "variance": 169757.6385
              },
              {
                "average": 0,
                "count": 2309649,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2309649,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2309649,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2309649,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2309649,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.5979,
              2380998.44,
              2.58867142,
              580733.4579,
              2381649.02,
              42.10867142
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.5978772183,
                    2380998.439992304,
                    2.588671419893391
                  ],
                  [
                    579999.5978772183,
                    2381649.019992304,
                    2.588671419893391
                  ],
                  [
                    580733.4578772184,
                    2381649.019992304,
                    42.1086714198934
                  ],
                  [
                    580733.4578772184,
                    2380998.439992304,
                    42.1086714198934
                  ],
                  [
                    579999.5978772183,
                    2380998.439992304,
                    2.588671419893391
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:46:38+00:00",
            "end_time": "2013-09-12T18:20:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej8082.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.22745079892997,
              21.540014251484795,
              188.5836280208208
            ],
            [
              -158.22744788900783,
              21.54056443658305,
              188.5836280208208
            ],
            [
              -158.22713000367904,
              21.54056296394453,
              224.9636280208208
            ],
            [
              -158.22713291479616,
              21.540012778888705,
              224.9636280208208
            ],
            [
              -158.22745079892997,
              21.540014251484795,
              188.5836280208208
            ]
          ]
        ]
      },
      "bbox": [
        -158.2274508,
        21.54001278,
        188.583628,
        -158.22713,
        21.54056444,
        224.963628
      ],
      "properties": {
        "datetime": "2013-09-12T17:23:32Z",
        "pc:count": 9812,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580011.598,
            "count": 9812,
            "maximum": 580032.5203,
            "minimum": 579999.6003,
            "name": "X",
            "position": 0,
            "stddev": 7.745755821,
            "variance": 59.99673324
          },
          {
            "average": 2382140.287,
            "count": 9812,
            "maximum": 2382173.319,
            "minimum": 2382112.419,
            "name": "Y",
            "position": 1,
            "stddev": 12.22607648,
            "variance": 149.476946
          },
          {
            "average": 206.0852668,
            "count": 9812,
            "maximum": 224.963628,
            "minimum": 188.583628,
            "name": "Z",
            "position": 2,
            "stddev": 7.165339817,
            "variance": 51.34209469
          },
          {
            "average": 7.89319201,
            "count": 9812,
            "maximum": 82,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 8.603545983,
            "variance": 74.02100349
          },
          {
            "average": 1.345495312,
            "count": 9812,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6048061923,
            "variance": 0.3657905303
          },
          {
            "average": 1.68110477,
            "count": 9812,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8118966134,
            "variance": 0.6591761109
          },
          {
            "average": 1,
            "count": 9812,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9812,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.153383612,
            "count": 9812,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3603752424,
            "variance": 0.1298703154
          },
          {
            "average": 33.54947944,
            "count": 9812,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.432072648,
            "variance": 29.50741325
          },
          {
            "average": 90.76049735,
            "count": 9812,
            "maximum": 190,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.02642544,
            "variance": 4359.488856
          },
          {
            "average": 2,
            "count": 9812,
            "maximum": 2,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63041811.36,
            "count": 9812,
            "maximum": 63041812.69,
            "minimum": 63041809.05,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.9367129757,
            "variance": 0.8774311988
          },
          {
            "average": 0,
            "count": 9812,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9812,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9812,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9812,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9812,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.6003,
          2382112.419,
          188.583628,
          580032.5203,
          2382173.319,
          224.963628
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.600261518,
                2382112.4189566933,
                188.5836280208208
              ],
              [
                579999.600261518,
                2382173.3189566936,
                188.5836280208208
              ],
              [
                580032.520261518,
                2382173.3189566936,
                224.9636280208208
              ],
              [
                580032.520261518,
                2382112.4189566933,
                224.9636280208208
              ],
              [
                579999.600261518,
                2382112.4189566933,
                188.5836280208208
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T17:23:32+00:00",
        "end_time": "2013-09-12T17:23:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej8082.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej8082.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej8082.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8082.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2274508,
            21.54001278,
            188.583628,
            -158.22713,
            21.54056444,
            224.963628
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.22745079892997,
                  21.540014251484795,
                  188.5836280208208
                ],
                [
                  -158.22744788900783,
                  21.54056443658305,
                  188.5836280208208
                ],
                [
                  -158.22713000367904,
                  21.54056296394453,
                  224.9636280208208
                ],
                [
                  -158.22713291479616,
                  21.540012778888705,
                  224.9636280208208
                ],
                [
                  -158.22745079892997,
                  21.540014251484795,
                  188.5836280208208
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej8082.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej8082.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T17:23:32Z",
            "pc:count": 9812,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580011.598,
                "count": 9812,
                "maximum": 580032.5203,
                "minimum": 579999.6003,
                "name": "X",
                "position": 0,
                "stddev": 7.745755821,
                "variance": 59.99673324
              },
              {
                "average": 2382140.287,
                "count": 9812,
                "maximum": 2382173.319,
                "minimum": 2382112.419,
                "name": "Y",
                "position": 1,
                "stddev": 12.22607648,
                "variance": 149.476946
              },
              {
                "average": 206.0852668,
                "count": 9812,
                "maximum": 224.963628,
                "minimum": 188.583628,
                "name": "Z",
                "position": 2,
                "stddev": 7.165339817,
                "variance": 51.34209469
              },
              {
                "average": 7.89319201,
                "count": 9812,
                "maximum": 82,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 8.603545983,
                "variance": 74.02100349
              },
              {
                "average": 1.345495312,
                "count": 9812,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6048061923,
                "variance": 0.3657905303
              },
              {
                "average": 1.68110477,
                "count": 9812,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8118966134,
                "variance": 0.6591761109
              },
              {
                "average": 1,
                "count": 9812,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9812,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.153383612,
                "count": 9812,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3603752424,
                "variance": 0.1298703154
              },
              {
                "average": 33.54947944,
                "count": 9812,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.432072648,
                "variance": 29.50741325
              },
              {
                "average": 90.76049735,
                "count": 9812,
                "maximum": 190,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.02642544,
                "variance": 4359.488856
              },
              {
                "average": 2,
                "count": 9812,
                "maximum": 2,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63041811.36,
                "count": 9812,
                "maximum": 63041812.69,
                "minimum": 63041809.05,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.9367129757,
                "variance": 0.8774311988
              },
              {
                "average": 0,
                "count": 9812,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9812,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9812,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9812,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9812,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.6003,
              2382112.419,
              188.583628,
              580032.5203,
              2382173.319,
              224.963628
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.600261518,
                    2382112.4189566933,
                    188.5836280208208
                  ],
                  [
                    579999.600261518,
                    2382173.3189566936,
                    188.5836280208208
                  ],
                  [
                    580032.520261518,
                    2382173.3189566936,
                    224.9636280208208
                  ],
                  [
                    580032.520261518,
                    2382112.4189566933,
                    224.9636280208208
                  ],
                  [
                    579999.600261518,
                    2382112.4189566933,
                    188.5836280208208
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T17:23:32+00:00",
            "end_time": "2013-09-12T17:23:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej8085.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.22727145749948,
              21.573918331042556,
              22.79761740579316
            ],
            [
              -158.22726509630684,
              21.575121683717267,
              22.79761740579316
            ],
            [
              -158.21760654094055,
              21.57507659818283,
              145.41761740579318
            ],
            [
              -158.21761297476442,
              21.573873248647025,
              145.41761740579318
            ],
            [
              -158.22727145749948,
              21.573918331042556,
              22.79761740579316
            ]
          ]
        ]
      },
      "bbox": [
        -158.2272715,
        21.57387325,
        22.79761741,
        -158.2176065,
        21.57512168,
        145.4176174
      ],
      "properties": {
        "datetime": "2013-09-11T20:27:31Z",
        "pc:count": 924286,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580443.1843,
            "count": 924286,
            "maximum": 580999.5842,
            "minimum": 579999.5842,
            "name": "X",
            "position": 0,
            "stddev": 274.4682834,
            "variance": 75332.8386
          },
          {
            "average": 2385943.762,
            "count": 924286,
            "maximum": 2385998.47,
            "minimum": 2385865.27,
            "name": "Y",
            "position": 1,
            "stddev": 31.11662125,
            "variance": 968.2441181
          },
          {
            "average": 66.79644993,
            "count": 924286,
            "maximum": 145.4176174,
            "minimum": 22.79761741,
            "name": "Z",
            "position": 2,
            "stddev": 27.84953824,
            "variance": 775.5967802
          },
          {
            "average": 6.080990083,
            "count": 924286,
            "maximum": 322,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 10.84851455,
            "variance": 117.6902679
          },
          {
            "average": 2.131771984,
            "count": 924286,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.081067269,
            "variance": 1.168706439
          },
          {
            "average": 3.259783227,
            "count": 924286,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.171550956,
            "variance": 1.372531644
          },
          {
            "average": 1,
            "count": 924286,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 924286,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.114490536,
            "count": 924286,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3184062864,
            "variance": 0.1013825632
          },
          {
            "average": 20.45918562,
            "count": 924286,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.251854711,
            "variance": 1.567140217
          },
          {
            "average": 90.08794248,
            "count": 924286,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.96264733,
            "variance": 4755.846727
          },
          {
            "average": 3,
            "count": 924286,
            "maximum": 3,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62966441.81,
            "count": 924286,
            "maximum": 62966451.41,
            "minimum": 62966433.68,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.248366108,
            "variance": 18.04861459
          },
          {
            "average": 0,
            "count": 924286,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 924286,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 924286,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 924286,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 924286,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.5842,
          2385865.27,
          22.79761741,
          580999.5842,
          2385998.47,
          145.4176174
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.5841999082,
                2385865.269583052,
                22.79761740579316
              ],
              [
                579999.5841999082,
                2385998.469583052,
                22.79761740579316
              ],
              [
                580999.5841999082,
                2385998.469583052,
                145.41761740579318
              ],
              [
                580999.5841999082,
                2385865.269583052,
                145.41761740579318
              ],
              [
                579999.5841999082,
                2385865.269583052,
                22.79761740579316
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:27:31+00:00",
        "end_time": "2013-09-11T20:27:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej8085.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej8085.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej8085.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej8085.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2272715,
            21.57387325,
            22.79761741,
            -158.2176065,
            21.57512168,
            145.4176174
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.22727145749948,
                  21.573918331042556,
                  22.79761740579316
                ],
                [
                  -158.22726509630684,
                  21.575121683717267,
                  22.79761740579316
                ],
                [
                  -158.21760654094055,
                  21.57507659818283,
                  145.41761740579318
                ],
                [
                  -158.21761297476442,
                  21.573873248647025,
                  145.41761740579318
                ],
                [
                  -158.22727145749948,
                  21.573918331042556,
                  22.79761740579316
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej8085.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej8085.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:27:31Z",
            "pc:count": 924286,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580443.1843,
                "count": 924286,
                "maximum": 580999.5842,
                "minimum": 579999.5842,
                "name": "X",
                "position": 0,
                "stddev": 274.4682834,
                "variance": 75332.8386
              },
              {
                "average": 2385943.762,
                "count": 924286,
                "maximum": 2385998.47,
                "minimum": 2385865.27,
                "name": "Y",
                "position": 1,
                "stddev": 31.11662125,
                "variance": 968.2441181
              },
              {
                "average": 66.79644993,
                "count": 924286,
                "maximum": 145.4176174,
                "minimum": 22.79761741,
                "name": "Z",
                "position": 2,
                "stddev": 27.84953824,
                "variance": 775.5967802
              },
              {
                "average": 6.080990083,
                "count": 924286,
                "maximum": 322,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 10.84851455,
                "variance": 117.6902679
              },
              {
                "average": 2.131771984,
                "count": 924286,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.081067269,
                "variance": 1.168706439
              },
              {
                "average": 3.259783227,
                "count": 924286,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.171550956,
                "variance": 1.372531644
              },
              {
                "average": 1,
                "count": 924286,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 924286,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.114490536,
                "count": 924286,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3184062864,
                "variance": 0.1013825632
              },
              {
                "average": 20.45918562,
                "count": 924286,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.251854711,
                "variance": 1.567140217
              },
              {
                "average": 90.08794248,
                "count": 924286,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.96264733,
                "variance": 4755.846727
              },
              {
                "average": 3,
                "count": 924286,
                "maximum": 3,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62966441.81,
                "count": 924286,
                "maximum": 62966451.41,
                "minimum": 62966433.68,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.248366108,
                "variance": 18.04861459
              },
              {
                "average": 0,
                "count": 924286,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 924286,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 924286,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 924286,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 924286,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.5842,
              2385865.27,
              22.79761741,
              580999.5842,
              2385998.47,
              145.4176174
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.5841999082,
                    2385865.269583052,
                    22.79761740579316
                  ],
                  [
                    579999.5841999082,
                    2385998.469583052,
                    22.79761740579316
                  ],
                  [
                    580999.5841999082,
                    2385998.469583052,
                    145.41761740579318
                  ],
                  [
                    580999.5841999082,
                    2385865.269583052,
                    145.41761740579318
                  ],
                  [
                    579999.5841999082,
                    2385865.269583052,
                    22.79761740579316
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:27:31+00:00",
            "end_time": "2013-09-11T20:27:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7786.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.25624111430795,
              21.575253406724052,
              -17.459268286397688
            ],
            [
              -158.25619501026674,
              21.584287845007434,
              -17.459268286397688
            ],
            [
              -158.2465357824602,
              21.584244417766122,
              166.22073171360233
            ],
            [
              -158.24658248414028,
              21.57520999970467,
              166.22073171360233
            ],
            [
              -158.25624111430795,
              21.575253406724052,
              -17.459268286397688
            ]
          ]
        ]
      },
      "bbox": [
        -158.2562411,
        21.57521,
        -17.45926829,
        -158.2465358,
        21.58428785,
        166.2207317
      ],
      "properties": {
        "datetime": "2013-11-04T20:20:59Z",
        "pc:count": 5181979,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 577497.903,
            "count": 5181979,
            "maximum": 577999.5648,
            "minimum": 576999.5648,
            "name": "X",
            "position": 0,
            "stddev": 287.3689055,
            "variance": 82580.88783
          },
          {
            "average": 2386465.29,
            "count": 5181979,
            "maximum": 2386998.47,
            "minimum": 2385998.45,
            "name": "Y",
            "position": 1,
            "stddev": 277.8663301,
            "variance": 77209.69741
          },
          {
            "average": 10.90426175,
            "count": 5181979,
            "maximum": 166.2207317,
            "minimum": -17.45926829,
            "name": "Z",
            "position": 2,
            "stddev": 25.42374858,
            "variance": 646.366992
          },
          {
            "average": 17.60329229,
            "count": 5181979,
            "maximum": 1497,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.02457835,
            "variance": 730.3278348
          },
          {
            "average": 1.062428273,
            "count": 5181979,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2808530536,
            "variance": 0.07887843769
          },
          {
            "average": 1.124312931,
            "count": 5181979,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4211322811,
            "variance": 0.1773523982
          },
          {
            "average": 1,
            "count": 5181979,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5181979,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.24185104,
            "count": 5181979,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.83835319,
            "variance": 191.5000189
          },
          {
            "average": 16.20039654,
            "count": 5181979,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.344848825,
            "variance": 69.63650191
          },
          {
            "average": 90.84309141,
            "count": 5181979,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.89322466,
            "variance": 4211.130607
          },
          {
            "average": 4.168195587,
            "count": 5181979,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.542861347,
            "variance": 6.466143832
          },
          {
            "average": 63356848.9,
            "count": 5181979,
            "maximum": 67631659.3,
            "minimum": 62867236.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1394170.756,
            "variance": 1943712098000.0
          },
          {
            "average": 0,
            "count": 5181979,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5181979,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5181979,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5181979,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5181979,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          576999.5648,
          2385998.45,
          -17.45926829,
          577999.5648,
          2386998.47,
          166.2207317
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                576999.5648337032,
                2385998.450071026,
                -17.459268286397688
              ],
              [
                576999.5648337032,
                2386998.4700710257,
                -17.459268286397688
              ],
              [
                577999.5648337032,
                2386998.4700710257,
                166.22073171360233
              ],
              [
                577999.5648337032,
                2385998.450071026,
                166.22073171360233
              ],
              [
                576999.5648337032,
                2385998.450071026,
                -17.459268286397688
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:20:59+00:00",
        "end_time": "2013-09-10T16:53:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7786.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7786.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7786.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7786.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2562411,
            21.57521,
            -17.45926829,
            -158.2465358,
            21.58428785,
            166.2207317
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.25624111430795,
                  21.575253406724052,
                  -17.459268286397688
                ],
                [
                  -158.25619501026674,
                  21.584287845007434,
                  -17.459268286397688
                ],
                [
                  -158.2465357824602,
                  21.584244417766122,
                  166.22073171360233
                ],
                [
                  -158.24658248414028,
                  21.57520999970467,
                  166.22073171360233
                ],
                [
                  -158.25624111430795,
                  21.575253406724052,
                  -17.459268286397688
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7786.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7786.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:20:59Z",
            "pc:count": 5181979,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 577497.903,
                "count": 5181979,
                "maximum": 577999.5648,
                "minimum": 576999.5648,
                "name": "X",
                "position": 0,
                "stddev": 287.3689055,
                "variance": 82580.88783
              },
              {
                "average": 2386465.29,
                "count": 5181979,
                "maximum": 2386998.47,
                "minimum": 2385998.45,
                "name": "Y",
                "position": 1,
                "stddev": 277.8663301,
                "variance": 77209.69741
              },
              {
                "average": 10.90426175,
                "count": 5181979,
                "maximum": 166.2207317,
                "minimum": -17.45926829,
                "name": "Z",
                "position": 2,
                "stddev": 25.42374858,
                "variance": 646.366992
              },
              {
                "average": 17.60329229,
                "count": 5181979,
                "maximum": 1497,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.02457835,
                "variance": 730.3278348
              },
              {
                "average": 1.062428273,
                "count": 5181979,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2808530536,
                "variance": 0.07887843769
              },
              {
                "average": 1.124312931,
                "count": 5181979,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4211322811,
                "variance": 0.1773523982
              },
              {
                "average": 1,
                "count": 5181979,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5181979,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.24185104,
                "count": 5181979,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.83835319,
                "variance": 191.5000189
              },
              {
                "average": 16.20039654,
                "count": 5181979,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.344848825,
                "variance": 69.63650191
              },
              {
                "average": 90.84309141,
                "count": 5181979,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.89322466,
                "variance": 4211.130607
              },
              {
                "average": 4.168195587,
                "count": 5181979,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.542861347,
                "variance": 6.466143832
              },
              {
                "average": 63356848.9,
                "count": 5181979,
                "maximum": 67631659.3,
                "minimum": 62867236.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1394170.756,
                "variance": 1943712098000.0
              },
              {
                "average": 0,
                "count": 5181979,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5181979,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5181979,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5181979,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5181979,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              576999.5648,
              2385998.45,
              -17.45926829,
              577999.5648,
              2386998.47,
              166.2207317
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    576999.5648337032,
                    2385998.450071026,
                    -17.459268286397688
                  ],
                  [
                    576999.5648337032,
                    2386998.4700710257,
                    -17.459268286397688
                  ],
                  [
                    577999.5648337032,
                    2386998.4700710257,
                    166.22073171360233
                  ],
                  [
                    577999.5648337032,
                    2385998.450071026,
                    166.22073171360233
                  ],
                  [
                    576999.5648337032,
                    2385998.450071026,
                    -17.459268286397688
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:20:59+00:00",
            "end_time": "2013-09-10T16:53:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9062.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.13196483054685,
              21.357826945626304,
              -2.15662051085944
            ],
            [
              -158.1319125431388,
              21.366703242205748,
              -2.15662051085944
            ],
            [
              -158.12518986937158,
              21.366668340773206,
              188.10337948914054
            ],
            [
              -158.12524256106622,
              21.357792060616372,
              188.10337948914054
            ],
            [
              -158.13196483054685,
              21.357826945626304,
              -2.15662051085944
            ]
          ]
        ]
      },
      "bbox": [
        -158.1319648,
        21.35779206,
        -2.156620511,
        -158.1251899,
        21.36670324,
        188.1033795
      ],
      "properties": {
        "datetime": "2013-09-10T23:29:13Z",
        "pc:count": 4045251,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590217.3483,
            "count": 4045251,
            "maximum": 590696.6976,
            "minimum": 589999.6576,
            "name": "X",
            "position": 0,
            "stddev": 154.7523283,
            "variance": 23948.28311
          },
          {
            "average": 2362346.085,
            "count": 4045251,
            "maximum": 2362980.981,
            "minimum": 2361998.461,
            "name": "Y",
            "position": 1,
            "stddev": 243.9463415,
            "variance": 59509.81755
          },
          {
            "average": 23.69440391,
            "count": 4045251,
            "maximum": 188.1033795,
            "minimum": -2.156620511,
            "name": "Z",
            "position": 2,
            "stddev": 25.7821702,
            "variance": 664.7203001
          },
          {
            "average": 38.32393787,
            "count": 4045251,
            "maximum": 1868,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 67.65382075,
            "variance": 4577.039463
          },
          {
            "average": 1.322268754,
            "count": 4045251,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7571158034,
            "variance": 0.5732243398
          },
          {
            "average": 1.644279675,
            "count": 4045251,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.17752098,
            "variance": 1.386555659
          },
          {
            "average": 1,
            "count": 4045251,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4045251,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.467692116,
            "count": 4045251,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.685368105,
            "variance": 7.211201859
          },
          {
            "average": 20.05694096,
            "count": 4045251,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.421696503,
            "variance": 5.864613955
          },
          {
            "average": 90.84211758,
            "count": 4045251,
            "maximum": 202,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.06834951,
            "variance": 4233.890108
          },
          {
            "average": 1.626720072,
            "count": 4045251,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.720079067,
            "variance": 0.5185138628
          },
          {
            "average": 62800586.24,
            "count": 4045251,
            "maximum": 62890953.51,
            "minimum": 62715657.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86627.60093,
            "variance": 7504341243
          },
          {
            "average": 0,
            "count": 4045251,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4045251,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4045251,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4045251,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4045251,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          589999.6576,
          2361998.461,
          -2.156620511,
          590696.6976,
          2362980.981,
          188.1033795
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                589999.6576458011,
                2361998.461302632,
                -2.15662051085944
              ],
              [
                589999.6576458011,
                2362980.9813026316,
                -2.15662051085944
              ],
              [
                590696.6976458011,
                2362980.9813026316,
                188.10337948914054
              ],
              [
                590696.6976458011,
                2361998.461302632,
                188.10337948914054
              ],
              [
                589999.6576458011,
                2361998.461302632,
                -2.15662051085944
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:29:13+00:00",
        "end_time": "2013-09-08T22:47:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9062.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9062.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9062.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9062.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1319648,
            21.35779206,
            -2.156620511,
            -158.1251899,
            21.36670324,
            188.1033795
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.13196483054685,
                  21.357826945626304,
                  -2.15662051085944
                ],
                [
                  -158.1319125431388,
                  21.366703242205748,
                  -2.15662051085944
                ],
                [
                  -158.12518986937158,
                  21.366668340773206,
                  188.10337948914054
                ],
                [
                  -158.12524256106622,
                  21.357792060616372,
                  188.10337948914054
                ],
                [
                  -158.13196483054685,
                  21.357826945626304,
                  -2.15662051085944
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9062.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9062.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:29:13Z",
            "pc:count": 4045251,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590217.3483,
                "count": 4045251,
                "maximum": 590696.6976,
                "minimum": 589999.6576,
                "name": "X",
                "position": 0,
                "stddev": 154.7523283,
                "variance": 23948.28311
              },
              {
                "average": 2362346.085,
                "count": 4045251,
                "maximum": 2362980.981,
                "minimum": 2361998.461,
                "name": "Y",
                "position": 1,
                "stddev": 243.9463415,
                "variance": 59509.81755
              },
              {
                "average": 23.69440391,
                "count": 4045251,
                "maximum": 188.1033795,
                "minimum": -2.156620511,
                "name": "Z",
                "position": 2,
                "stddev": 25.7821702,
                "variance": 664.7203001
              },
              {
                "average": 38.32393787,
                "count": 4045251,
                "maximum": 1868,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 67.65382075,
                "variance": 4577.039463
              },
              {
                "average": 1.322268754,
                "count": 4045251,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7571158034,
                "variance": 0.5732243398
              },
              {
                "average": 1.644279675,
                "count": 4045251,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.17752098,
                "variance": 1.386555659
              },
              {
                "average": 1,
                "count": 4045251,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4045251,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.467692116,
                "count": 4045251,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.685368105,
                "variance": 7.211201859
              },
              {
                "average": 20.05694096,
                "count": 4045251,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.421696503,
                "variance": 5.864613955
              },
              {
                "average": 90.84211758,
                "count": 4045251,
                "maximum": 202,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.06834951,
                "variance": 4233.890108
              },
              {
                "average": 1.626720072,
                "count": 4045251,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.720079067,
                "variance": 0.5185138628
              },
              {
                "average": 62800586.24,
                "count": 4045251,
                "maximum": 62890953.51,
                "minimum": 62715657.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86627.60093,
                "variance": 7504341243
              },
              {
                "average": 0,
                "count": 4045251,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4045251,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4045251,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4045251,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4045251,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              589999.6576,
              2361998.461,
              -2.156620511,
              590696.6976,
              2362980.981,
              188.1033795
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    589999.6576458011,
                    2361998.461302632,
                    -2.15662051085944
                  ],
                  [
                    589999.6576458011,
                    2362980.9813026316,
                    -2.15662051085944
                  ],
                  [
                    590696.6976458011,
                    2362980.9813026316,
                    188.10337948914054
                  ],
                  [
                    590696.6976458011,
                    2361998.461302632,
                    188.10337948914054
                  ],
                  [
                    589999.6576458011,
                    2361998.461302632,
                    -2.15662051085944
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:29:13+00:00",
            "end_time": "2013-09-08T22:47:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8569.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.17983294804085,
              21.421309496339326,
              -5.440135674984258
            ],
            [
              -158.17978241037926,
              21.430343802802195,
              -5.440135674984258
            ],
            [
              -158.17013359235168,
              21.430296220159295,
              45.19986432501574
            ],
            [
              -158.17018469580646,
              21.421261944961905,
              45.19986432501574
            ],
            [
              -158.17983294804085,
              21.421309496339326,
              -5.440135674984258
            ]
          ]
        ]
      },
      "bbox": [
        -158.1798329,
        21.42126194,
        -5.440135675,
        -158.1701336,
        21.4303438,
        45.19986433
      ],
      "properties": {
        "datetime": "2013-09-10T23:39:44Z",
        "pc:count": 10792077,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 585433.08,
            "count": 10792077,
            "maximum": 585999.6427,
            "minimum": 584999.6427,
            "name": "X",
            "position": 0,
            "stddev": 244.3965225,
            "variance": 59729.66019
          },
          {
            "average": 2369429.065,
            "count": 10792077,
            "maximum": 2369998.458,
            "minimum": 2368998.458,
            "name": "Y",
            "position": 1,
            "stddev": 285.9076,
            "variance": 81743.15576
          },
          {
            "average": 6.447136075,
            "count": 10792077,
            "maximum": 45.19986433,
            "minimum": -5.440135675,
            "name": "Z",
            "position": 2,
            "stddev": 5.193977016,
            "variance": 26.97739724
          },
          {
            "average": 27.68980345,
            "count": 10792077,
            "maximum": 2793,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 58.49495002,
            "variance": 3421.659178
          },
          {
            "average": 1.594892346,
            "count": 10792077,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9831668809,
            "variance": 0.9666171156
          },
          {
            "average": 2.190347141,
            "count": 10792077,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.467422124,
            "variance": 2.153327691
          },
          {
            "average": 1,
            "count": 10792077,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10792077,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.877380508,
            "count": 10792077,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.448468748,
            "variance": 19.7888742
          },
          {
            "average": 20.11287416,
            "count": 10792077,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.817515319,
            "variance": 7.938392571
          },
          {
            "average": 91.15235992,
            "count": 10792077,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.25236099,
            "variance": 4389.375336
          },
          {
            "average": 2.234216083,
            "count": 10792077,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.146510291,
            "variance": 1.314485847
          },
          {
            "average": 62794011.49,
            "count": 10792077,
            "maximum": 62891584.27,
            "minimum": 62715528.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86113.65013,
            "variance": 7415560739
          },
          {
            "average": 0,
            "count": 10792077,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10792077,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10792077,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10792077,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10792077,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          584999.6427,
          2368998.458,
          -5.440135675,
          585999.6427,
          2369998.458,
          45.19986433
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                584999.6427476204,
                2368998.4584741998,
                -5.440135674984258
              ],
              [
                584999.6427476204,
                2369998.4584741998,
                -5.440135674984258
              ],
              [
                585999.6427476204,
                2369998.4584741998,
                45.19986432501574
              ],
              [
                585999.6427476204,
                2368998.4584741998,
                45.19986432501574
              ],
              [
                584999.6427476204,
                2368998.4584741998,
                -5.440135674984258
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:39:44+00:00",
        "end_time": "2013-09-08T22:45:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8569.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8569.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8569.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8569.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1798329,
            21.42126194,
            -5.440135675,
            -158.1701336,
            21.4303438,
            45.19986433
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.17983294804085,
                  21.421309496339326,
                  -5.440135674984258
                ],
                [
                  -158.17978241037926,
                  21.430343802802195,
                  -5.440135674984258
                ],
                [
                  -158.17013359235168,
                  21.430296220159295,
                  45.19986432501574
                ],
                [
                  -158.17018469580646,
                  21.421261944961905,
                  45.19986432501574
                ],
                [
                  -158.17983294804085,
                  21.421309496339326,
                  -5.440135674984258
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8569.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8569.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:39:44Z",
            "pc:count": 10792077,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 585433.08,
                "count": 10792077,
                "maximum": 585999.6427,
                "minimum": 584999.6427,
                "name": "X",
                "position": 0,
                "stddev": 244.3965225,
                "variance": 59729.66019
              },
              {
                "average": 2369429.065,
                "count": 10792077,
                "maximum": 2369998.458,
                "minimum": 2368998.458,
                "name": "Y",
                "position": 1,
                "stddev": 285.9076,
                "variance": 81743.15576
              },
              {
                "average": 6.447136075,
                "count": 10792077,
                "maximum": 45.19986433,
                "minimum": -5.440135675,
                "name": "Z",
                "position": 2,
                "stddev": 5.193977016,
                "variance": 26.97739724
              },
              {
                "average": 27.68980345,
                "count": 10792077,
                "maximum": 2793,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 58.49495002,
                "variance": 3421.659178
              },
              {
                "average": 1.594892346,
                "count": 10792077,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9831668809,
                "variance": 0.9666171156
              },
              {
                "average": 2.190347141,
                "count": 10792077,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.467422124,
                "variance": 2.153327691
              },
              {
                "average": 1,
                "count": 10792077,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10792077,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.877380508,
                "count": 10792077,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.448468748,
                "variance": 19.7888742
              },
              {
                "average": 20.11287416,
                "count": 10792077,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.817515319,
                "variance": 7.938392571
              },
              {
                "average": 91.15235992,
                "count": 10792077,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.25236099,
                "variance": 4389.375336
              },
              {
                "average": 2.234216083,
                "count": 10792077,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.146510291,
                "variance": 1.314485847
              },
              {
                "average": 62794011.49,
                "count": 10792077,
                "maximum": 62891584.27,
                "minimum": 62715528.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86113.65013,
                "variance": 7415560739
              },
              {
                "average": 0,
                "count": 10792077,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10792077,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10792077,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10792077,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10792077,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              584999.6427,
              2368998.458,
              -5.440135675,
              585999.6427,
              2369998.458,
              45.19986433
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    584999.6427476204,
                    2368998.4584741998,
                    -5.440135674984258
                  ],
                  [
                    584999.6427476204,
                    2369998.4584741998,
                    -5.440135674984258
                  ],
                  [
                    585999.6427476204,
                    2369998.4584741998,
                    45.19986432501574
                  ],
                  [
                    585999.6427476204,
                    2368998.4584741998,
                    45.19986432501574
                  ],
                  [
                    584999.6427476204,
                    2368998.4584741998,
                    -5.440135674984258
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:39:44+00:00",
            "end_time": "2013-09-08T22:45:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9085.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1300018491875,
              21.57010650172756,
              3.187292085080877
            ],
            [
              -158.12997476882586,
              21.574642107782896,
              3.187292085080877
            ],
            [
              -158.12102148055527,
              21.574595109783054,
              52.18729208508088
            ],
            [
              -158.12104883794743,
              21.570059514532574,
              52.18729208508088
            ],
            [
              -158.1300018491875,
              21.57010650172756,
              3.187292085080877
            ]
          ]
        ]
      },
      "bbox": [
        -158.1300018,
        21.57005951,
        3.187292085,
        -158.1210215,
        21.57464211,
        52.18729209
      ],
      "properties": {
        "datetime": "2013-09-10T19:15:36Z",
        "pc:count": 1002904,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590440.281,
            "count": 1002904,
            "maximum": 590999.6337,
            "minimum": 590072.6337,
            "name": "X",
            "position": 0,
            "stddev": 216.4501641,
            "variance": 46850.67352
          },
          {
            "average": 2385830.359,
            "count": 1002904,
            "maximum": 2385998.482,
            "minimum": 2385496.422,
            "name": "Y",
            "position": 1,
            "stddev": 126.1359328,
            "variance": 15910.27354
          },
          {
            "average": 12.18811167,
            "count": 1002904,
            "maximum": 52.18729209,
            "minimum": 3.187292085,
            "name": "Z",
            "position": 2,
            "stddev": 4.378971823,
            "variance": 19.17539423
          },
          {
            "average": 13.49162033,
            "count": 1002904,
            "maximum": 855,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.26283532,
            "variance": 495.6338365
          },
          {
            "average": 1.572659995,
            "count": 1002904,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8784106235,
            "variance": 0.7716052235
          },
          {
            "average": 2.053558466,
            "count": 1002904,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.2155541,
            "variance": 1.47757177
          },
          {
            "average": 1,
            "count": 1002904,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1002904,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.269751641,
            "count": 1002904,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4438309247,
            "variance": 0.1969858897
          },
          {
            "average": 20.69717526,
            "count": 1002904,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.393998774,
            "variance": 5.731230128
          },
          {
            "average": 92.4178735,
            "count": 1002904,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.56722844,
            "variance": 4168.926989
          },
          {
            "average": 7.000145577,
            "count": 1002904,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6683630615,
            "variance": 0.446709182
          },
          {
            "average": 62874511.15,
            "count": 1002904,
            "maximum": 62875736.35,
            "minimum": 62873901.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 407.9292262,
            "variance": 166406.2536
          },
          {
            "average": 0,
            "count": 1002904,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1002904,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1002904,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1002904,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1002904,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590072.6337,
          2385496.422,
          3.187292085,
          590999.6337,
          2385998.482,
          52.18729209
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590072.6337039311,
                2385496.422304396,
                3.187292085080877
              ],
              [
                590072.6337039311,
                2385998.4823043956,
                3.187292085080877
              ],
              [
                590999.6337039311,
                2385998.4823043956,
                52.18729208508088
              ],
              [
                590999.6337039311,
                2385496.422304396,
                52.18729208508088
              ],
              [
                590072.6337039311,
                2385496.422304396,
                3.187292085080877
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T19:15:36+00:00",
        "end_time": "2013-09-10T18:45:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9085.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9085.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9085.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9085.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1300018,
            21.57005951,
            3.187292085,
            -158.1210215,
            21.57464211,
            52.18729209
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1300018491875,
                  21.57010650172756,
                  3.187292085080877
                ],
                [
                  -158.12997476882586,
                  21.574642107782896,
                  3.187292085080877
                ],
                [
                  -158.12102148055527,
                  21.574595109783054,
                  52.18729208508088
                ],
                [
                  -158.12104883794743,
                  21.570059514532574,
                  52.18729208508088
                ],
                [
                  -158.1300018491875,
                  21.57010650172756,
                  3.187292085080877
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9085.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9085.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T19:15:36Z",
            "pc:count": 1002904,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590440.281,
                "count": 1002904,
                "maximum": 590999.6337,
                "minimum": 590072.6337,
                "name": "X",
                "position": 0,
                "stddev": 216.4501641,
                "variance": 46850.67352
              },
              {
                "average": 2385830.359,
                "count": 1002904,
                "maximum": 2385998.482,
                "minimum": 2385496.422,
                "name": "Y",
                "position": 1,
                "stddev": 126.1359328,
                "variance": 15910.27354
              },
              {
                "average": 12.18811167,
                "count": 1002904,
                "maximum": 52.18729209,
                "minimum": 3.187292085,
                "name": "Z",
                "position": 2,
                "stddev": 4.378971823,
                "variance": 19.17539423
              },
              {
                "average": 13.49162033,
                "count": 1002904,
                "maximum": 855,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.26283532,
                "variance": 495.6338365
              },
              {
                "average": 1.572659995,
                "count": 1002904,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8784106235,
                "variance": 0.7716052235
              },
              {
                "average": 2.053558466,
                "count": 1002904,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.2155541,
                "variance": 1.47757177
              },
              {
                "average": 1,
                "count": 1002904,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1002904,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.269751641,
                "count": 1002904,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4438309247,
                "variance": 0.1969858897
              },
              {
                "average": 20.69717526,
                "count": 1002904,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.393998774,
                "variance": 5.731230128
              },
              {
                "average": 92.4178735,
                "count": 1002904,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.56722844,
                "variance": 4168.926989
              },
              {
                "average": 7.000145577,
                "count": 1002904,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6683630615,
                "variance": 0.446709182
              },
              {
                "average": 62874511.15,
                "count": 1002904,
                "maximum": 62875736.35,
                "minimum": 62873901.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 407.9292262,
                "variance": 166406.2536
              },
              {
                "average": 0,
                "count": 1002904,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1002904,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1002904,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1002904,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1002904,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590072.6337,
              2385496.422,
              3.187292085,
              590999.6337,
              2385998.482,
              52.18729209
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590072.6337039311,
                    2385496.422304396,
                    3.187292085080877
                  ],
                  [
                    590072.6337039311,
                    2385998.4823043956,
                    3.187292085080877
                  ],
                  [
                    590999.6337039311,
                    2385998.4823043956,
                    52.18729208508088
                  ],
                  [
                    590999.6337039311,
                    2385496.422304396,
                    52.18729208508088
                  ],
                  [
                    590072.6337039311,
                    2385496.422304396,
                    3.187292085080877
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T19:15:36+00:00",
            "end_time": "2013-09-10T18:45:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7787.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.25619508970544,
              21.584287759795686,
              -29.86700821249068
            ],
            [
              -158.2561641001396,
              21.590357330290857,
              -29.86700821249068
            ],
            [
              -158.24650447042453,
              21.590313889511805,
              -8.927008212490678
            ],
            [
              -158.24653586190442,
              21.58424433255914,
              -8.927008212490678
            ],
            [
              -158.25619508970544,
              21.584287759795686,
              -29.86700821249068
            ]
          ]
        ]
      },
      "bbox": [
        -158.2561951,
        21.58424433,
        -29.86700821,
        -158.2465045,
        21.59035733,
        -8.927008212
      ],
      "properties": {
        "datetime": "2013-09-10T17:47:36Z",
        "pc:count": 936446,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 577559.8073,
            "count": 936446,
            "maximum": 577999.5567,
            "minimum": 576999.5567,
            "name": "X",
            "position": 0,
            "stddev": 281.1867356,
            "variance": 79065.98025
          },
          {
            "average": 2387209.666,
            "count": 936446,
            "maximum": 2387670.301,
            "minimum": 2386998.461,
            "name": "Y",
            "position": 1,
            "stddev": 176.4459294,
            "variance": 31133.16601
          },
          {
            "average": -16.03400143,
            "count": 936446,
            "maximum": -8.927008212,
            "minimum": -29.86700821,
            "name": "Z",
            "position": 2,
            "stddev": 5.439741867,
            "variance": 29.59079158
          },
          {
            "average": 134.5464287,
            "count": 936446,
            "maximum": 1065,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 189.5033617,
            "variance": 35911.52411
          },
          {
            "average": 1.008760783,
            "count": 936446,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09484649869,
            "variance": 0.008995858313
          },
          {
            "average": 1.013352612,
            "count": 936446,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1185776727,
            "variance": 0.01406066447
          },
          {
            "average": 1,
            "count": 936446,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 936446,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 936446,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.90683457,
            "count": 936446,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.914208855,
            "variance": 79.46311951
          },
          {
            "average": 149.2101883,
            "count": 936446,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 92.37795556,
            "variance": 8533.686673
          },
          {
            "average": 7.511482776,
            "count": 936446,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9324132056,
            "variance": 0.8693943859
          },
          {
            "average": 62869754.98,
            "count": 936446,
            "maximum": 62870456.37,
            "minimum": 62869029.26,
            "name": "GpsTime",
            "position": 12,
            "stddev": 470.3885039,
            "variance": 221265.3446
          },
          {
            "average": 0,
            "count": 936446,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 936446,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 936446,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 936446,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 936446,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          576999.5567,
          2386998.461,
          -29.86700821,
          577999.5567,
          2387670.301,
          -8.927008212
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                576999.5566548049,
                2386998.460599889,
                -29.86700821249068
              ],
              [
                576999.5566548049,
                2387670.300599889,
                -29.86700821249068
              ],
              [
                577999.5566548049,
                2387670.300599889,
                -8.927008212490678
              ],
              [
                577999.5566548049,
                2386998.460599889,
                -8.927008212490678
              ],
              [
                576999.5566548049,
                2386998.460599889,
                -29.86700821249068
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:47:36+00:00",
        "end_time": "2013-09-10T17:23:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7787.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7787.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7787.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7787.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2561951,
            21.58424433,
            -29.86700821,
            -158.2465045,
            21.59035733,
            -8.927008212
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.25619508970544,
                  21.584287759795686,
                  -29.86700821249068
                ],
                [
                  -158.2561641001396,
                  21.590357330290857,
                  -29.86700821249068
                ],
                [
                  -158.24650447042453,
                  21.590313889511805,
                  -8.927008212490678
                ],
                [
                  -158.24653586190442,
                  21.58424433255914,
                  -8.927008212490678
                ],
                [
                  -158.25619508970544,
                  21.584287759795686,
                  -29.86700821249068
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7787.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7787.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:47:36Z",
            "pc:count": 936446,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 577559.8073,
                "count": 936446,
                "maximum": 577999.5567,
                "minimum": 576999.5567,
                "name": "X",
                "position": 0,
                "stddev": 281.1867356,
                "variance": 79065.98025
              },
              {
                "average": 2387209.666,
                "count": 936446,
                "maximum": 2387670.301,
                "minimum": 2386998.461,
                "name": "Y",
                "position": 1,
                "stddev": 176.4459294,
                "variance": 31133.16601
              },
              {
                "average": -16.03400143,
                "count": 936446,
                "maximum": -8.927008212,
                "minimum": -29.86700821,
                "name": "Z",
                "position": 2,
                "stddev": 5.439741867,
                "variance": 29.59079158
              },
              {
                "average": 134.5464287,
                "count": 936446,
                "maximum": 1065,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 189.5033617,
                "variance": 35911.52411
              },
              {
                "average": 1.008760783,
                "count": 936446,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09484649869,
                "variance": 0.008995858313
              },
              {
                "average": 1.013352612,
                "count": 936446,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1185776727,
                "variance": 0.01406066447
              },
              {
                "average": 1,
                "count": 936446,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 936446,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 936446,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.90683457,
                "count": 936446,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.914208855,
                "variance": 79.46311951
              },
              {
                "average": 149.2101883,
                "count": 936446,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 92.37795556,
                "variance": 8533.686673
              },
              {
                "average": 7.511482776,
                "count": 936446,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9324132056,
                "variance": 0.8693943859
              },
              {
                "average": 62869754.98,
                "count": 936446,
                "maximum": 62870456.37,
                "minimum": 62869029.26,
                "name": "GpsTime",
                "position": 12,
                "stddev": 470.3885039,
                "variance": 221265.3446
              },
              {
                "average": 0,
                "count": 936446,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 936446,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 936446,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 936446,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 936446,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              576999.5567,
              2386998.461,
              -29.86700821,
              577999.5567,
              2387670.301,
              -8.927008212
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    576999.5566548049,
                    2386998.460599889,
                    -29.86700821249068
                  ],
                  [
                    576999.5566548049,
                    2387670.300599889,
                    -29.86700821249068
                  ],
                  [
                    577999.5566548049,
                    2387670.300599889,
                    -8.927008212490678
                  ],
                  [
                    577999.5566548049,
                    2386998.460599889,
                    -8.927008212490678
                  ],
                  [
                    576999.5566548049,
                    2386998.460599889,
                    -29.86700821249068
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:47:36+00:00",
            "end_time": "2013-09-10T17:23:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7874.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2393137044821,
              21.474506267283044,
              -59.22074762340881
            ],
            [
              -158.23930701745235,
              21.475797449953255,
              -59.22074762340881
            ],
            [
              -158.237442047423,
              21.475788955812945,
              -38.280747623408814
            ],
            [
              -158.23744874949307,
              21.474497774314944,
              -38.280747623408814
            ],
            [
              -158.2393137044821,
              21.474506267283044,
              -59.22074762340881
            ]
          ]
        ]
      },
      "bbox": [
        -158.2393137,
        21.47449777,
        -59.22074762,
        -158.237442,
        21.47579745,
        -38.28074762
      ],
      "properties": {
        "datetime": "2013-09-19T00:43:23Z",
        "pc:count": 10620,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578950.1901,
            "count": 10620,
            "maximum": 578999.6059,
            "minimum": 578806.3859,
            "name": "X",
            "position": 0,
            "stddev": 42.63057143,
            "variance": 1817.36562
          },
          {
            "average": 2374953.239,
            "count": 10620,
            "maximum": 2374998.444,
            "minimum": 2374855.524,
            "name": "Y",
            "position": 1,
            "stddev": 31.26753876,
            "variance": 977.6589801
          },
          {
            "average": -45.04668359,
            "count": 10620,
            "maximum": -38.28074762,
            "minimum": -59.22074762,
            "name": "Z",
            "position": 2,
            "stddev": 3.55796648,
            "variance": 12.65912547
          },
          {
            "average": 972.8279661,
            "count": 10620,
            "maximum": 8832,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1211.929997,
            "variance": 1468774.317
          },
          {
            "average": 1.098775895,
            "count": 10620,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2983749323,
            "variance": 0.08902760021
          },
          {
            "average": 1.098775895,
            "count": 10620,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2983749323,
            "variance": 0.08902760021
          },
          {
            "average": 1,
            "count": 10620,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10620,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 10620,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.306894897,
            "count": 10620,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.198230585,
            "variance": 17.62514004
          },
          {
            "average": 249.4616761,
            "count": 10620,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.5480407248,
            "variance": 0.300348636
          },
          {
            "average": 7.878436911,
            "count": 10620,
            "maximum": 10,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.104147343,
            "variance": 1.219141355
          },
          {
            "average": 63030113.78,
            "count": 10620,
            "maximum": 63586603.11,
            "minimum": 62894656.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 63307.28717,
            "variance": 4007812609
          },
          {
            "average": 0,
            "count": 10620,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10620,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10620,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10620,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10620,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578806.3859,
          2374855.524,
          -59.22074762,
          578999.6059,
          2374998.444,
          -38.28074762
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578806.3858803296,
                2374855.524155663,
                -59.22074762340881
              ],
              [
                578806.3858803296,
                2374998.444155663,
                -59.22074762340881
              ],
              [
                578999.6058803296,
                2374998.444155663,
                -38.280747623408814
              ],
              [
                578999.6058803296,
                2374855.524155663,
                -38.280747623408814
              ],
              [
                578806.3858803296,
                2374855.524155663,
                -59.22074762340881
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:43:23+00:00",
        "end_time": "2013-09-11T00:30:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7874.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7874.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7874.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7874.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2393137,
            21.47449777,
            -59.22074762,
            -158.237442,
            21.47579745,
            -38.28074762
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2393137044821,
                  21.474506267283044,
                  -59.22074762340881
                ],
                [
                  -158.23930701745235,
                  21.475797449953255,
                  -59.22074762340881
                ],
                [
                  -158.237442047423,
                  21.475788955812945,
                  -38.280747623408814
                ],
                [
                  -158.23744874949307,
                  21.474497774314944,
                  -38.280747623408814
                ],
                [
                  -158.2393137044821,
                  21.474506267283044,
                  -59.22074762340881
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7874.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7874.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:43:23Z",
            "pc:count": 10620,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578950.1901,
                "count": 10620,
                "maximum": 578999.6059,
                "minimum": 578806.3859,
                "name": "X",
                "position": 0,
                "stddev": 42.63057143,
                "variance": 1817.36562
              },
              {
                "average": 2374953.239,
                "count": 10620,
                "maximum": 2374998.444,
                "minimum": 2374855.524,
                "name": "Y",
                "position": 1,
                "stddev": 31.26753876,
                "variance": 977.6589801
              },
              {
                "average": -45.04668359,
                "count": 10620,
                "maximum": -38.28074762,
                "minimum": -59.22074762,
                "name": "Z",
                "position": 2,
                "stddev": 3.55796648,
                "variance": 12.65912547
              },
              {
                "average": 972.8279661,
                "count": 10620,
                "maximum": 8832,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1211.929997,
                "variance": 1468774.317
              },
              {
                "average": 1.098775895,
                "count": 10620,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2983749323,
                "variance": 0.08902760021
              },
              {
                "average": 1.098775895,
                "count": 10620,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2983749323,
                "variance": 0.08902760021
              },
              {
                "average": 1,
                "count": 10620,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10620,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 10620,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.306894897,
                "count": 10620,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.198230585,
                "variance": 17.62514004
              },
              {
                "average": 249.4616761,
                "count": 10620,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.5480407248,
                "variance": 0.300348636
              },
              {
                "average": 7.878436911,
                "count": 10620,
                "maximum": 10,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.104147343,
                "variance": 1.219141355
              },
              {
                "average": 63030113.78,
                "count": 10620,
                "maximum": 63586603.11,
                "minimum": 62894656.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 63307.28717,
                "variance": 4007812609
              },
              {
                "average": 0,
                "count": 10620,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10620,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10620,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10620,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10620,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578806.3859,
              2374855.524,
              -59.22074762,
              578999.6059,
              2374998.444,
              -38.28074762
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578806.3858803296,
                    2374855.524155663,
                    -59.22074762340881
                  ],
                  [
                    578806.3858803296,
                    2374998.444155663,
                    -59.22074762340881
                  ],
                  [
                    578999.6058803296,
                    2374998.444155663,
                    -38.280747623408814
                  ],
                  [
                    578999.6058803296,
                    2374855.524155663,
                    -38.280747623408814
                  ],
                  [
                    578806.3858803296,
                    2374855.524155663,
                    -59.22074762340881
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:43:23+00:00",
            "end_time": "2013-09-11T00:30:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej7875.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.24205947567302,
              21.475810069383545,
              -59.2132365883993
            ],
            [
              -158.2420127432879,
              21.48484422255804,
              -59.2132365883993
            ],
            [
              -158.23739491553917,
              21.484823219237942,
              -26.9732365883993
            ],
            [
              -158.23744193136645,
              21.475789076331083,
              -26.9732365883993
            ],
            [
              -158.24205947567302,
              21.475810069383545,
              -59.2132365883993
            ]
          ]
        ]
      },
      "bbox": [
        -158.2420595,
        21.47578908,
        -59.21323659,
        -158.2373949,
        21.48484422,
        -26.97323659
      ],
      "properties": {
        "datetime": "2013-09-19T00:43:22Z",
        "pc:count": 439951,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578849.2358,
            "count": 439951,
            "maximum": 578999.6178,
            "minimum": 578521.2178,
            "name": "X",
            "position": 0,
            "stddev": 100.2507346,
            "variance": 10050.20979
          },
          {
            "average": 2375552.851,
            "count": 439951,
            "maximum": 2375998.438,
            "minimum": 2374998.458,
            "name": "Y",
            "position": 1,
            "stddev": 261.1747157,
            "variance": 68212.23214
          },
          {
            "average": -36.25825135,
            "count": 439951,
            "maximum": -26.97323659,
            "minimum": -59.21323659,
            "name": "Z",
            "position": 2,
            "stddev": 6.23452839,
            "variance": 38.86934425
          },
          {
            "average": 1500.592248,
            "count": 439951,
            "maximum": 8971,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1292.658719,
            "variance": 1670966.565
          },
          {
            "average": 1.023523074,
            "count": 439951,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1524550741,
            "variance": 0.02324254962
          },
          {
            "average": 1.023670818,
            "count": 439951,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1530052185,
            "variance": 0.02341059689
          },
          {
            "average": 1,
            "count": 439951,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 439951,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 439951,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.902505292,
            "count": 439951,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.329923642,
            "variance": 53.7277806
          },
          {
            "average": 249.2155308,
            "count": 439951,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 1.18512173,
            "variance": 1.404513515
          },
          {
            "average": 6.70754925,
            "count": 439951,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.983321489,
            "variance": 8.900207107
          },
          {
            "average": 63190926.97,
            "count": 439951,
            "maximum": 63586602.41,
            "minimum": 62723286.48,
            "name": "GpsTime",
            "position": 12,
            "stddev": 272605.7863,
            "variance": 74313914710.0
          },
          {
            "average": 0,
            "count": 439951,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 439951,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 439951,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 439951,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 439951,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578521.2178,
          2374998.458,
          -59.21323659,
          578999.6178,
          2375998.438,
          -26.97323659
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578521.2178391088,
                2374998.457553947,
                -59.2132365883993
              ],
              [
                578521.2178391088,
                2375998.4375539473,
                -59.2132365883993
              ],
              [
                578999.6178391087,
                2375998.4375539473,
                -26.9732365883993
              ],
              [
                578999.6178391087,
                2374998.457553947,
                -26.9732365883993
              ],
              [
                578521.2178391088,
                2374998.457553947,
                -59.2132365883993
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:43:22+00:00",
        "end_time": "2013-09-09T00:54:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej7875.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej7875.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej7875.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej7875.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2420595,
            21.47578908,
            -59.21323659,
            -158.2373949,
            21.48484422,
            -26.97323659
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.24205947567302,
                  21.475810069383545,
                  -59.2132365883993
                ],
                [
                  -158.2420127432879,
                  21.48484422255804,
                  -59.2132365883993
                ],
                [
                  -158.23739491553917,
                  21.484823219237942,
                  -26.9732365883993
                ],
                [
                  -158.23744193136645,
                  21.475789076331083,
                  -26.9732365883993
                ],
                [
                  -158.24205947567302,
                  21.475810069383545,
                  -59.2132365883993
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej7875.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej7875.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:43:22Z",
            "pc:count": 439951,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578849.2358,
                "count": 439951,
                "maximum": 578999.6178,
                "minimum": 578521.2178,
                "name": "X",
                "position": 0,
                "stddev": 100.2507346,
                "variance": 10050.20979
              },
              {
                "average": 2375552.851,
                "count": 439951,
                "maximum": 2375998.438,
                "minimum": 2374998.458,
                "name": "Y",
                "position": 1,
                "stddev": 261.1747157,
                "variance": 68212.23214
              },
              {
                "average": -36.25825135,
                "count": 439951,
                "maximum": -26.97323659,
                "minimum": -59.21323659,
                "name": "Z",
                "position": 2,
                "stddev": 6.23452839,
                "variance": 38.86934425
              },
              {
                "average": 1500.592248,
                "count": 439951,
                "maximum": 8971,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1292.658719,
                "variance": 1670966.565
              },
              {
                "average": 1.023523074,
                "count": 439951,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1524550741,
                "variance": 0.02324254962
              },
              {
                "average": 1.023670818,
                "count": 439951,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1530052185,
                "variance": 0.02341059689
              },
              {
                "average": 1,
                "count": 439951,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 439951,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 439951,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.902505292,
                "count": 439951,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.329923642,
                "variance": 53.7277806
              },
              {
                "average": 249.2155308,
                "count": 439951,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 1.18512173,
                "variance": 1.404513515
              },
              {
                "average": 6.70754925,
                "count": 439951,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.983321489,
                "variance": 8.900207107
              },
              {
                "average": 63190926.97,
                "count": 439951,
                "maximum": 63586602.41,
                "minimum": 62723286.48,
                "name": "GpsTime",
                "position": 12,
                "stddev": 272605.7863,
                "variance": 74313914710.0
              },
              {
                "average": 0,
                "count": 439951,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 439951,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 439951,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 439951,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 439951,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578521.2178,
              2374998.458,
              -59.21323659,
              578999.6178,
              2375998.438,
              -26.97323659
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578521.2178391088,
                    2374998.457553947,
                    -59.2132365883993
                  ],
                  [
                    578521.2178391088,
                    2375998.4375539473,
                    -59.2132365883993
                  ],
                  [
                    578999.6178391087,
                    2375998.4375539473,
                    -26.9732365883993
                  ],
                  [
                    578999.6178391087,
                    2374998.457553947,
                    -26.9732365883993
                  ],
                  [
                    578521.2178391088,
                    2374998.457553947,
                    -59.2132365883993
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:43:22+00:00",
            "end_time": "2013-09-09T00:54:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej7876.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.24190885712224,
              21.48484384330985,
              -52.522258732093015
            ],
            [
              -158.24186209227346,
              21.493878167192847,
              -52.522258732093015
            ],
            [
              -158.23734784970904,
              21.49385762489101,
              -19.442258732093016
            ],
            [
              -158.23739489193258,
              21.48482331098971,
              -19.442258732093016
            ],
            [
              -158.24190885712224,
              21.48484384330985,
              -52.522258732093015
            ]
          ]
        ]
      },
      "bbox": [
        -158.2419089,
        21.48482331,
        -52.52225873,
        -158.2373478,
        21.49387817,
        -19.44225873
      ],
      "properties": {
        "datetime": "2013-09-19T00:43:08Z",
        "pc:count": 368640,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578836.8857,
            "count": 368640,
            "maximum": 578999.6202,
            "minimum": 578531.9802,
            "name": "X",
            "position": 0,
            "stddev": 113.4109595,
            "variance": 12862.04574
          },
          {
            "average": 2376476.754,
            "count": 368640,
            "maximum": 2376998.448,
            "minimum": 2375998.448,
            "name": "Y",
            "position": 1,
            "stddev": 281.9986994,
            "variance": 79523.26648
          },
          {
            "average": -30.05522461,
            "count": 368640,
            "maximum": -19.44225873,
            "minimum": -52.52225873,
            "name": "Z",
            "position": 2,
            "stddev": 5.53073142,
            "variance": 30.58899004
          },
          {
            "average": 1035.53877,
            "count": 368640,
            "maximum": 8873,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1043.81849,
            "variance": 1089557.041
          },
          {
            "average": 1.039881727,
            "count": 368640,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1959171005,
            "variance": 0.03838351027
          },
          {
            "average": 1.039933268,
            "count": 368640,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1960381021,
            "variance": 0.03843093747
          },
          {
            "average": 1,
            "count": 368640,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 368640,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 368640,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.023043318,
            "count": 368640,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.165707833,
            "variance": 51.34736875
          },
          {
            "average": 248.3691271,
            "count": 368640,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 13.30699864,
            "variance": 177.0762129
          },
          {
            "average": 8.555495877,
            "count": 368640,
            "maximum": 12,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.505083013,
            "variance": 2.265274877
          },
          {
            "average": 62983313.76,
            "count": 368640,
            "maximum": 63586588.26,
            "minimum": 62719626.32,
            "name": "GpsTime",
            "position": 12,
            "stddev": 152341.3153,
            "variance": 23207876350.0
          },
          {
            "average": 0,
            "count": 368640,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 368640,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 368640,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 368640,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 368640,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578531.9802,
          2375998.448,
          -52.52225873,
          578999.6202,
          2376998.448,
          -19.44225873
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578531.9802351772,
                2375998.447721542,
                -52.522258732093015
              ],
              [
                578531.9802351772,
                2376998.447721542,
                -52.522258732093015
              ],
              [
                578999.6202351771,
                2376998.447721542,
                -19.442258732093016
              ],
              [
                578999.6202351771,
                2375998.447721542,
                -19.442258732093016
              ],
              [
                578531.9802351772,
                2375998.447721542,
                -52.522258732093015
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:43:08+00:00",
        "end_time": "2013-09-08T23:53:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej7876.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej7876.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej7876.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej7876.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2419089,
            21.48482331,
            -52.52225873,
            -158.2373478,
            21.49387817,
            -19.44225873
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.24190885712224,
                  21.48484384330985,
                  -52.522258732093015
                ],
                [
                  -158.24186209227346,
                  21.493878167192847,
                  -52.522258732093015
                ],
                [
                  -158.23734784970904,
                  21.49385762489101,
                  -19.442258732093016
                ],
                [
                  -158.23739489193258,
                  21.48482331098971,
                  -19.442258732093016
                ],
                [
                  -158.24190885712224,
                  21.48484384330985,
                  -52.522258732093015
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej7876.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej7876.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:43:08Z",
            "pc:count": 368640,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578836.8857,
                "count": 368640,
                "maximum": 578999.6202,
                "minimum": 578531.9802,
                "name": "X",
                "position": 0,
                "stddev": 113.4109595,
                "variance": 12862.04574
              },
              {
                "average": 2376476.754,
                "count": 368640,
                "maximum": 2376998.448,
                "minimum": 2375998.448,
                "name": "Y",
                "position": 1,
                "stddev": 281.9986994,
                "variance": 79523.26648
              },
              {
                "average": -30.05522461,
                "count": 368640,
                "maximum": -19.44225873,
                "minimum": -52.52225873,
                "name": "Z",
                "position": 2,
                "stddev": 5.53073142,
                "variance": 30.58899004
              },
              {
                "average": 1035.53877,
                "count": 368640,
                "maximum": 8873,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1043.81849,
                "variance": 1089557.041
              },
              {
                "average": 1.039881727,
                "count": 368640,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1959171005,
                "variance": 0.03838351027
              },
              {
                "average": 1.039933268,
                "count": 368640,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1960381021,
                "variance": 0.03843093747
              },
              {
                "average": 1,
                "count": 368640,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 368640,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 368640,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.023043318,
                "count": 368640,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.165707833,
                "variance": 51.34736875
              },
              {
                "average": 248.3691271,
                "count": 368640,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 13.30699864,
                "variance": 177.0762129
              },
              {
                "average": 8.555495877,
                "count": 368640,
                "maximum": 12,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.505083013,
                "variance": 2.265274877
              },
              {
                "average": 62983313.76,
                "count": 368640,
                "maximum": 63586588.26,
                "minimum": 62719626.32,
                "name": "GpsTime",
                "position": 12,
                "stddev": 152341.3153,
                "variance": 23207876350.0
              },
              {
                "average": 0,
                "count": 368640,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 368640,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 368640,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 368640,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 368640,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578531.9802,
              2375998.448,
              -52.52225873,
              578999.6202,
              2376998.448,
              -19.44225873
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578531.9802351772,
                    2375998.447721542,
                    -52.522258732093015
                  ],
                  [
                    578531.9802351772,
                    2376998.447721542,
                    -52.522258732093015
                  ],
                  [
                    578999.6202351771,
                    2376998.447721542,
                    -19.442258732093016
                  ],
                  [
                    578999.6202351771,
                    2375998.447721542,
                    -19.442258732093016
                  ],
                  [
                    578531.9802351772,
                    2375998.447721542,
                    -52.522258732093015
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:43:08+00:00",
            "end_time": "2013-09-08T23:53:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8086.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.22726515095405,
              21.575121496636893,
              -10.666653457441157
            ],
            [
              -158.22721725393723,
              21.584155873556924,
              -10.666653457441157
            ],
            [
              -158.2175579115749,
              21.584110765337233,
              84.11334654255884
            ],
            [
              -158.21760640242871,
              21.575076410198744,
              84.11334654255884
            ],
            [
              -158.22726515095405,
              21.575121496636893,
              -10.666653457441157
            ]
          ]
        ]
      },
      "bbox": [
        -158.2272652,
        21.57507641,
        -10.66665346,
        -158.2175579,
        21.58415587,
        84.11334654
      ],
      "properties": {
        "datetime": "2013-11-04T20:21:46Z",
        "pc:count": 8657517,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580559.384,
            "count": 8657517,
            "maximum": 580999.5986,
            "minimum": 579999.5786,
            "name": "X",
            "position": 0,
            "stddev": 293.1298176,
            "variance": 85925.08997
          },
          {
            "average": 2386372.673,
            "count": 8657517,
            "maximum": 2386998.469,
            "minimum": 2385998.449,
            "name": "Y",
            "position": 1,
            "stddev": 262.4377219,
            "variance": 68873.55789
          },
          {
            "average": 10.90643615,
            "count": 8657517,
            "maximum": 84.11334654,
            "minimum": -10.66665346,
            "name": "Z",
            "position": 2,
            "stddev": 14.88724179,
            "variance": 221.629968
          },
          {
            "average": 11.00445567,
            "count": 8657517,
            "maximum": 8224,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.92241289,
            "variance": 836.5059672
          },
          {
            "average": 1.634979637,
            "count": 8657517,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9493464584,
            "variance": 0.9012586981
          },
          {
            "average": 2.266209584,
            "count": 8657517,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.351243225,
            "variance": 1.825858254
          },
          {
            "average": 1,
            "count": 8657517,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8657517,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.25749357,
            "count": 8657517,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.08318223,
            "variance": 171.1696572
          },
          {
            "average": 17.78390516,
            "count": 8657517,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.785106725,
            "variance": 46.03767328
          },
          {
            "average": 90.33889844,
            "count": 8657517,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.37088364,
            "variance": 4674.57773
          },
          {
            "average": 3.304655249,
            "count": 8657517,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.08154585,
            "variance": 4.332833126
          },
          {
            "average": 63177181.24,
            "count": 8657517,
            "maximum": 67631706.17,
            "minimum": 62866270.26,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1089485.327,
            "variance": 1186978278000.0
          },
          {
            "average": 0,
            "count": 8657517,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8657517,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8657517,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8657517,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8657517,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.5786,
          2385998.449,
          -10.66665346,
          580999.5986,
          2386998.469,
          84.11334654
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.5786448097,
                2385998.4488474857,
                -10.666653457441157
              ],
              [
                579999.5786448097,
                2386998.4688474853,
                -10.666653457441157
              ],
              [
                580999.5986448097,
                2386998.4688474853,
                84.11334654255884
              ],
              [
                580999.5986448097,
                2385998.4488474857,
                84.11334654255884
              ],
              [
                579999.5786448097,
                2385998.4488474857,
                -10.666653457441157
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:21:46+00:00",
        "end_time": "2013-09-10T16:37:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8086.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8086.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8086.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8086.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2272652,
            21.57507641,
            -10.66665346,
            -158.2175579,
            21.58415587,
            84.11334654
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.22726515095405,
                  21.575121496636893,
                  -10.666653457441157
                ],
                [
                  -158.22721725393723,
                  21.584155873556924,
                  -10.666653457441157
                ],
                [
                  -158.2175579115749,
                  21.584110765337233,
                  84.11334654255884
                ],
                [
                  -158.21760640242871,
                  21.575076410198744,
                  84.11334654255884
                ],
                [
                  -158.22726515095405,
                  21.575121496636893,
                  -10.666653457441157
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8086.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8086.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:21:46Z",
            "pc:count": 8657517,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580559.384,
                "count": 8657517,
                "maximum": 580999.5986,
                "minimum": 579999.5786,
                "name": "X",
                "position": 0,
                "stddev": 293.1298176,
                "variance": 85925.08997
              },
              {
                "average": 2386372.673,
                "count": 8657517,
                "maximum": 2386998.469,
                "minimum": 2385998.449,
                "name": "Y",
                "position": 1,
                "stddev": 262.4377219,
                "variance": 68873.55789
              },
              {
                "average": 10.90643615,
                "count": 8657517,
                "maximum": 84.11334654,
                "minimum": -10.66665346,
                "name": "Z",
                "position": 2,
                "stddev": 14.88724179,
                "variance": 221.629968
              },
              {
                "average": 11.00445567,
                "count": 8657517,
                "maximum": 8224,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.92241289,
                "variance": 836.5059672
              },
              {
                "average": 1.634979637,
                "count": 8657517,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9493464584,
                "variance": 0.9012586981
              },
              {
                "average": 2.266209584,
                "count": 8657517,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.351243225,
                "variance": 1.825858254
              },
              {
                "average": 1,
                "count": 8657517,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8657517,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.25749357,
                "count": 8657517,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.08318223,
                "variance": 171.1696572
              },
              {
                "average": 17.78390516,
                "count": 8657517,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.785106725,
                "variance": 46.03767328
              },
              {
                "average": 90.33889844,
                "count": 8657517,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.37088364,
                "variance": 4674.57773
              },
              {
                "average": 3.304655249,
                "count": 8657517,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.08154585,
                "variance": 4.332833126
              },
              {
                "average": 63177181.24,
                "count": 8657517,
                "maximum": 67631706.17,
                "minimum": 62866270.26,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1089485.327,
                "variance": 1186978278000.0
              },
              {
                "average": 0,
                "count": 8657517,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8657517,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8657517,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8657517,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8657517,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.5786,
              2385998.449,
              -10.66665346,
              580999.5986,
              2386998.469,
              84.11334654
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.5786448097,
                    2385998.4488474857,
                    -10.666653457441157
                  ],
                  [
                    579999.5786448097,
                    2386998.4688474853,
                    -10.666653457441157
                  ],
                  [
                    580999.5986448097,
                    2386998.4688474853,
                    84.11334654255884
                  ],
                  [
                    580999.5986448097,
                    2385998.4488474857,
                    84.11334654255884
                  ],
                  [
                    579999.5786448097,
                    2385998.4488474857,
                    -10.666653457441157
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:21:46+00:00",
            "end_time": "2013-09-10T16:37:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej7877.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.24157524232396,
              21.493876900682174,
              -42.084989385103334
            ],
            [
              -158.2415284356021,
              21.502911033501068,
              -42.084989385103334
            ],
            [
              -158.23730082752164,
              21.50289178381163,
              -11.364989385103335
            ],
            [
              -158.23734789426726,
              21.493857660289667,
              -11.364989385103335
            ],
            [
              -158.24157524232396,
              21.493876900682174,
              -42.084989385103334
            ]
          ]
        ]
      },
      "bbox": [
        -158.2415752,
        21.49385766,
        -42.08498939,
        -158.2373008,
        21.50291103,
        -11.36498939
      ],
      "properties": {
        "datetime": "2013-09-12T18:10:49Z",
        "pc:count": 333165,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578836.7282,
            "count": 333165,
            "maximum": 578999.6156,
            "minimum": 578561.6956,
            "name": "X",
            "position": 0,
            "stddev": 111.9762282,
            "variance": 12538.67567
          },
          {
            "average": 2377533.984,
            "count": 333165,
            "maximum": 2377998.432,
            "minimum": 2376998.452,
            "name": "Y",
            "position": 1,
            "stddev": 299.3296845,
            "variance": 89598.26002
          },
          {
            "average": -23.19790908,
            "count": 333165,
            "maximum": -11.36498939,
            "minimum": -42.08498939,
            "name": "Z",
            "position": 2,
            "stddev": 6.248044234,
            "variance": 39.03805675
          },
          {
            "average": 413.9538727,
            "count": 333165,
            "maximum": 3720,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 483.4316339,
            "variance": 233706.1447
          },
          {
            "average": 1.053874206,
            "count": 333165,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2276628328,
            "variance": 0.05183036543
          },
          {
            "average": 1.05659358,
            "count": 333165,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2340589973,
            "variance": 0.05478361424
          },
          {
            "average": 1,
            "count": 333165,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 333165,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 333165,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.768913602,
            "count": 333165,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.454438891,
            "variance": 71.47753696
          },
          {
            "average": 230.7285939,
            "count": 333165,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 54.84958962,
            "variance": 3008.477482
          },
          {
            "average": 8.346699083,
            "count": 333165,
            "maximum": 9,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7406180477,
            "variance": 0.5485150926
          },
          {
            "average": 63044371.94,
            "count": 333165,
            "maximum": 63044649.33,
            "minimum": 63043806.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 304.2080188,
            "variance": 92542.51871
          },
          {
            "average": 0,
            "count": 333165,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 333165,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 333165,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 333165,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 333165,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578561.6956,
          2376998.452,
          -42.08498939,
          578999.6156,
          2377998.432,
          -11.36498939
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578561.6956003003,
                2376998.451617186,
                -42.084989385103334
              ],
              [
                578561.6956003003,
                2377998.4316171864,
                -42.084989385103334
              ],
              [
                578999.6156003003,
                2377998.4316171864,
                -11.364989385103335
              ],
              [
                578999.6156003003,
                2376998.451617186,
                -11.364989385103335
              ],
              [
                578561.6956003003,
                2376998.451617186,
                -42.084989385103334
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:10:49+00:00",
        "end_time": "2013-09-12T17:56:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej7877.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej7877.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej7877.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7877.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2415752,
            21.49385766,
            -42.08498939,
            -158.2373008,
            21.50291103,
            -11.36498939
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.24157524232396,
                  21.493876900682174,
                  -42.084989385103334
                ],
                [
                  -158.2415284356021,
                  21.502911033501068,
                  -42.084989385103334
                ],
                [
                  -158.23730082752164,
                  21.50289178381163,
                  -11.364989385103335
                ],
                [
                  -158.23734789426726,
                  21.493857660289667,
                  -11.364989385103335
                ],
                [
                  -158.24157524232396,
                  21.493876900682174,
                  -42.084989385103334
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej7877.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7877.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:10:49Z",
            "pc:count": 333165,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578836.7282,
                "count": 333165,
                "maximum": 578999.6156,
                "minimum": 578561.6956,
                "name": "X",
                "position": 0,
                "stddev": 111.9762282,
                "variance": 12538.67567
              },
              {
                "average": 2377533.984,
                "count": 333165,
                "maximum": 2377998.432,
                "minimum": 2376998.452,
                "name": "Y",
                "position": 1,
                "stddev": 299.3296845,
                "variance": 89598.26002
              },
              {
                "average": -23.19790908,
                "count": 333165,
                "maximum": -11.36498939,
                "minimum": -42.08498939,
                "name": "Z",
                "position": 2,
                "stddev": 6.248044234,
                "variance": 39.03805675
              },
              {
                "average": 413.9538727,
                "count": 333165,
                "maximum": 3720,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 483.4316339,
                "variance": 233706.1447
              },
              {
                "average": 1.053874206,
                "count": 333165,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2276628328,
                "variance": 0.05183036543
              },
              {
                "average": 1.05659358,
                "count": 333165,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2340589973,
                "variance": 0.05478361424
              },
              {
                "average": 1,
                "count": 333165,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 333165,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 333165,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.768913602,
                "count": 333165,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.454438891,
                "variance": 71.47753696
              },
              {
                "average": 230.7285939,
                "count": 333165,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 54.84958962,
                "variance": 3008.477482
              },
              {
                "average": 8.346699083,
                "count": 333165,
                "maximum": 9,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7406180477,
                "variance": 0.5485150926
              },
              {
                "average": 63044371.94,
                "count": 333165,
                "maximum": 63044649.33,
                "minimum": 63043806.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 304.2080188,
                "variance": 92542.51871
              },
              {
                "average": 0,
                "count": 333165,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 333165,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 333165,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 333165,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 333165,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578561.6956,
              2376998.452,
              -42.08498939,
              578999.6156,
              2377998.432,
              -11.36498939
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578561.6956003003,
                    2376998.451617186,
                    -42.084989385103334
                  ],
                  [
                    578561.6956003003,
                    2377998.4316171864,
                    -42.084989385103334
                  ],
                  [
                    578999.6156003003,
                    2377998.4316171864,
                    -11.364989385103335
                  ],
                  [
                    578999.6156003003,
                    2376998.451617186,
                    -11.364989385103335
                  ],
                  [
                    578561.6956003003,
                    2376998.451617186,
                    -42.084989385103334
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:10:49+00:00",
            "end_time": "2013-09-12T17:56:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej7878.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.24112608721637,
              21.502909311983338,
              -42.1619909443965
            ],
            [
              -158.24107922958825,
              21.511943614863853,
              -42.1619909443965
            ],
            [
              -158.23725375803704,
              21.511926184342073,
              -11.501990944396502
            ],
            [
              -158.2373008512009,
              21.50289188982886,
              -11.501990944396502
            ],
            [
              -158.24112608721637,
              21.502909311983338,
              -42.1619909443965
            ]
          ]
        ]
      },
      "bbox": [
        -158.2411261,
        21.50289189,
        -42.16199094,
        -158.2372538,
        21.51194361,
        -11.50199094
      ],
      "properties": {
        "datetime": "2013-09-12T18:11:04Z",
        "pc:count": 338460,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578849.9581,
            "count": 338460,
            "maximum": 578999.6131,
            "minimum": 578603.3731,
            "name": "X",
            "position": 0,
            "stddev": 107.6812306,
            "variance": 11595.24742
          },
          {
            "average": 2378481.982,
            "count": 338460,
            "maximum": 2378998.443,
            "minimum": 2377998.443,
            "name": "Y",
            "position": 1,
            "stddev": 284.4636284,
            "variance": 80919.55588
          },
          {
            "average": -20.87241652,
            "count": 338460,
            "maximum": -11.50199094,
            "minimum": -42.16199094,
            "name": "Z",
            "position": 2,
            "stddev": 4.252938091,
            "variance": 18.08748241
          },
          {
            "average": 291.7517934,
            "count": 338460,
            "maximum": 1217,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 200.6208506,
            "variance": 40248.72569
          },
          {
            "average": 1.009661408,
            "count": 338460,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09946404105,
            "variance": 0.009893095463
          },
          {
            "average": 1.011791645,
            "count": 338460,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1105169847,
            "variance": 0.0122140039
          },
          {
            "average": 1,
            "count": 338460,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 338460,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 338460,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.083500718,
            "count": 338460,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.989184266,
            "variance": 80.80543377
          },
          {
            "average": 227.0295958,
            "count": 338460,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 57.25010591,
            "variance": 3277.574627
          },
          {
            "average": 8.306257756,
            "count": 338460,
            "maximum": 9,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7470620511,
            "variance": 0.5581017083
          },
          {
            "average": 63044369.93,
            "count": 338460,
            "maximum": 63044664.89,
            "minimum": 63043821.92,
            "name": "GpsTime",
            "position": 12,
            "stddev": 307.0302066,
            "variance": 94267.54775
          },
          {
            "average": 0,
            "count": 338460,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 338460,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 338460,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 338460,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 338460,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578603.3731,
          2377998.443,
          -42.16199094,
          578999.6131,
          2378998.443,
          -11.50199094
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578603.3730902938,
                2377998.4433399094,
                -42.1619909443965
              ],
              [
                578603.3730902938,
                2378998.4433399094,
                -42.1619909443965
              ],
              [
                578999.6130902938,
                2378998.4433399094,
                -11.501990944396502
              ],
              [
                578999.6130902938,
                2377998.4433399094,
                -11.501990944396502
              ],
              [
                578603.3730902938,
                2377998.4433399094,
                -42.1619909443965
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:11:04+00:00",
        "end_time": "2013-09-12T17:57:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej7878.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej7878.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej7878.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7878.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2411261,
            21.50289189,
            -42.16199094,
            -158.2372538,
            21.51194361,
            -11.50199094
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.24112608721637,
                  21.502909311983338,
                  -42.1619909443965
                ],
                [
                  -158.24107922958825,
                  21.511943614863853,
                  -42.1619909443965
                ],
                [
                  -158.23725375803704,
                  21.511926184342073,
                  -11.501990944396502
                ],
                [
                  -158.2373008512009,
                  21.50289188982886,
                  -11.501990944396502
                ],
                [
                  -158.24112608721637,
                  21.502909311983338,
                  -42.1619909443965
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej7878.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7878.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:11:04Z",
            "pc:count": 338460,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578849.9581,
                "count": 338460,
                "maximum": 578999.6131,
                "minimum": 578603.3731,
                "name": "X",
                "position": 0,
                "stddev": 107.6812306,
                "variance": 11595.24742
              },
              {
                "average": 2378481.982,
                "count": 338460,
                "maximum": 2378998.443,
                "minimum": 2377998.443,
                "name": "Y",
                "position": 1,
                "stddev": 284.4636284,
                "variance": 80919.55588
              },
              {
                "average": -20.87241652,
                "count": 338460,
                "maximum": -11.50199094,
                "minimum": -42.16199094,
                "name": "Z",
                "position": 2,
                "stddev": 4.252938091,
                "variance": 18.08748241
              },
              {
                "average": 291.7517934,
                "count": 338460,
                "maximum": 1217,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 200.6208506,
                "variance": 40248.72569
              },
              {
                "average": 1.009661408,
                "count": 338460,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09946404105,
                "variance": 0.009893095463
              },
              {
                "average": 1.011791645,
                "count": 338460,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1105169847,
                "variance": 0.0122140039
              },
              {
                "average": 1,
                "count": 338460,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 338460,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 338460,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.083500718,
                "count": 338460,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.989184266,
                "variance": 80.80543377
              },
              {
                "average": 227.0295958,
                "count": 338460,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 57.25010591,
                "variance": 3277.574627
              },
              {
                "average": 8.306257756,
                "count": 338460,
                "maximum": 9,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7470620511,
                "variance": 0.5581017083
              },
              {
                "average": 63044369.93,
                "count": 338460,
                "maximum": 63044664.89,
                "minimum": 63043821.92,
                "name": "GpsTime",
                "position": 12,
                "stddev": 307.0302066,
                "variance": 94267.54775
              },
              {
                "average": 0,
                "count": 338460,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 338460,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 338460,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 338460,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 338460,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578603.3731,
              2377998.443,
              -42.16199094,
              578999.6131,
              2378998.443,
              -11.50199094
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578603.3730902938,
                    2377998.4433399094,
                    -42.1619909443965
                  ],
                  [
                    578603.3730902938,
                    2378998.4433399094,
                    -42.1619909443965
                  ],
                  [
                    578999.6130902938,
                    2378998.4433399094,
                    -11.501990944396502
                  ],
                  [
                    578999.6130902938,
                    2377998.4433399094,
                    -11.501990944396502
                  ],
                  [
                    578603.3730902938,
                    2377998.4433399094,
                    -42.1619909443965
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:11:04+00:00",
            "end_time": "2013-09-12T17:57:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej7879.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2409587315875,
              21.5119431181756,
              -51.183638736608785
            ],
            [
              -158.24091184129932,
              21.520977411050023,
              -51.183638736608785
            ],
            [
              -158.23720662872083,
              21.52096052012912,
              -13.683638736608785
            ],
            [
              -158.23725374737566,
              21.51192623531227,
              -13.683638736608785
            ],
            [
              -158.2409587315875,
              21.5119431181756,
              -51.183638736608785
            ]
          ]
        ]
      },
      "bbox": [
        -158.2409587,
        21.51192624,
        -51.18363874,
        -158.2372066,
        21.52097741,
        -13.68363874
      ],
      "properties": {
        "datetime": "2013-09-12T18:11:20Z",
        "pc:count": 253953,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578878.7507,
            "count": 253953,
            "maximum": 578999.6142,
            "minimum": 578615.8542,
            "name": "X",
            "position": 0,
            "stddev": 82.95560292,
            "variance": 6881.632055
          },
          {
            "average": 2379475.314,
            "count": 253953,
            "maximum": 2379998.449,
            "minimum": 2378998.449,
            "name": "Y",
            "position": 1,
            "stddev": 282.7790332,
            "variance": 79963.98164
          },
          {
            "average": -22.45604993,
            "count": 253953,
            "maximum": -13.68363874,
            "minimum": -51.18363874,
            "name": "Z",
            "position": 2,
            "stddev": 4.678136712,
            "variance": 21.88496309
          },
          {
            "average": 249.0902332,
            "count": 253953,
            "maximum": 1038,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 109.2903146,
            "variance": 11944.37286
          },
          {
            "average": 1.003933799,
            "count": 253953,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06297295018,
            "variance": 0.003965592455
          },
          {
            "average": 1.006808346,
            "count": 253953,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08360866635,
            "variance": 0.006990409089
          },
          {
            "average": 1,
            "count": 253953,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 253953,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 253953,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.646434403,
            "count": 253953,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.06802895,
            "variance": 65.09309114
          },
          {
            "average": 243.3112623,
            "count": 253953,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 28.84351737,
            "variance": 831.948494
          },
          {
            "average": 8.231468028,
            "count": 253953,
            "maximum": 9,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7513424813,
            "variance": 0.5645155242
          },
          {
            "average": 63044354.57,
            "count": 253953,
            "maximum": 63044680.79,
            "minimum": 63043837.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 309.0110228,
            "variance": 95487.81218
          },
          {
            "average": 0,
            "count": 253953,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 253953,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 253953,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 253953,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 253953,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578615.8542,
          2378998.449,
          -51.18363874,
          578999.6142,
          2379998.449,
          -13.68363874
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578615.854167045,
                2378998.448987026,
                -51.183638736608785
              ],
              [
                578615.854167045,
                2379998.448987026,
                -51.183638736608785
              ],
              [
                578999.614167045,
                2379998.448987026,
                -13.683638736608785
              ],
              [
                578999.614167045,
                2378998.448987026,
                -13.683638736608785
              ],
              [
                578615.854167045,
                2378998.448987026,
                -51.183638736608785
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:11:20+00:00",
        "end_time": "2013-09-12T17:57:17+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej7879.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej7879.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej7879.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7879.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2409587,
            21.51192624,
            -51.18363874,
            -158.2372066,
            21.52097741,
            -13.68363874
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2409587315875,
                  21.5119431181756,
                  -51.183638736608785
                ],
                [
                  -158.24091184129932,
                  21.520977411050023,
                  -51.183638736608785
                ],
                [
                  -158.23720662872083,
                  21.52096052012912,
                  -13.683638736608785
                ],
                [
                  -158.23725374737566,
                  21.51192623531227,
                  -13.683638736608785
                ],
                [
                  -158.2409587315875,
                  21.5119431181756,
                  -51.183638736608785
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej7879.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7879.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:11:20Z",
            "pc:count": 253953,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578878.7507,
                "count": 253953,
                "maximum": 578999.6142,
                "minimum": 578615.8542,
                "name": "X",
                "position": 0,
                "stddev": 82.95560292,
                "variance": 6881.632055
              },
              {
                "average": 2379475.314,
                "count": 253953,
                "maximum": 2379998.449,
                "minimum": 2378998.449,
                "name": "Y",
                "position": 1,
                "stddev": 282.7790332,
                "variance": 79963.98164
              },
              {
                "average": -22.45604993,
                "count": 253953,
                "maximum": -13.68363874,
                "minimum": -51.18363874,
                "name": "Z",
                "position": 2,
                "stddev": 4.678136712,
                "variance": 21.88496309
              },
              {
                "average": 249.0902332,
                "count": 253953,
                "maximum": 1038,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 109.2903146,
                "variance": 11944.37286
              },
              {
                "average": 1.003933799,
                "count": 253953,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06297295018,
                "variance": 0.003965592455
              },
              {
                "average": 1.006808346,
                "count": 253953,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08360866635,
                "variance": 0.006990409089
              },
              {
                "average": 1,
                "count": 253953,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 253953,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 253953,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.646434403,
                "count": 253953,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.06802895,
                "variance": 65.09309114
              },
              {
                "average": 243.3112623,
                "count": 253953,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 28.84351737,
                "variance": 831.948494
              },
              {
                "average": 8.231468028,
                "count": 253953,
                "maximum": 9,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7513424813,
                "variance": 0.5645155242
              },
              {
                "average": 63044354.57,
                "count": 253953,
                "maximum": 63044680.79,
                "minimum": 63043837.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 309.0110228,
                "variance": 95487.81218
              },
              {
                "average": 0,
                "count": 253953,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 253953,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 253953,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 253953,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 253953,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578615.8542,
              2378998.449,
              -51.18363874,
              578999.6142,
              2379998.449,
              -13.68363874
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578615.854167045,
                    2378998.448987026,
                    -51.183638736608785
                  ],
                  [
                    578615.854167045,
                    2379998.448987026,
                    -51.183638736608785
                  ],
                  [
                    578999.614167045,
                    2379998.448987026,
                    -13.683638736608785
                  ],
                  [
                    578999.614167045,
                    2378998.448987026,
                    -13.683638736608785
                  ],
                  [
                    578615.854167045,
                    2378998.448987026,
                    -51.183638736608785
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:11:20+00:00",
            "end_time": "2013-09-12T17:57:17+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7880.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2407705127312,
              21.520976831803033,
              -59.83369509764674
            ],
            [
              -158.24072359121638,
              21.530010572707983,
              -59.83369509764674
            ],
            [
              -158.23715950788937,
              21.529994317034593,
              -19.67369509764674
            ],
            [
              -158.23720664977841,
              21.520960583745325,
              -19.67369509764674
            ],
            [
              -158.2407705127312,
              21.520976831803033,
              -59.83369509764674
            ]
          ]
        ]
      },
      "bbox": [
        -158.2407705,
        21.52096058,
        -59.8336951,
        -158.2371595,
        21.53001057,
        -19.6736951
      ],
      "properties": {
        "datetime": "2013-09-12T19:06:38Z",
        "pc:count": 230799,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578897.4269,
            "count": 230799,
            "maximum": 578999.612,
            "minimum": 578630.492,
            "name": "X",
            "position": 0,
            "stddev": 79.34218657,
            "variance": 6295.18257
          },
          {
            "average": 2380452.939,
            "count": 230799,
            "maximum": 2380998.396,
            "minimum": 2379998.456,
            "name": "Y",
            "position": 1,
            "stddev": 253.058058,
            "variance": 64038.38072
          },
          {
            "average": -33.66262954,
            "count": 230799,
            "maximum": -19.6736951,
            "minimum": -59.8336951,
            "name": "Z",
            "position": 2,
            "stddev": 8.939809828,
            "variance": 79.92019976
          },
          {
            "average": 730.0166682,
            "count": 230799,
            "maximum": 6507,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 674.5553581,
            "variance": 455024.9312
          },
          {
            "average": 1.006616147,
            "count": 230799,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08197387735,
            "variance": 0.006719716567
          },
          {
            "average": 1.011737486,
            "count": 230799,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1105216005,
            "variance": 0.01221502418
          },
          {
            "average": 1,
            "count": 230799,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 230799,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 230799,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.984189228,
            "count": 230799,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.346627704,
            "variance": 53.97293862
          },
          {
            "average": 248.5746299,
            "count": 230799,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 8.146914396,
            "variance": 66.37221418
          },
          {
            "average": 7.959011954,
            "count": 230799,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.919221864,
            "variance": 3.683412565
          },
          {
            "average": 63038923.94,
            "count": 230799,
            "maximum": 63047998.18,
            "minimum": 62969429.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 20297.6879,
            "variance": 411996134.2
          },
          {
            "average": 0,
            "count": 230799,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 230799,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 230799,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 230799,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 230799,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578630.492,
          2379998.456,
          -59.8336951,
          578999.612,
          2380998.396,
          -19.6736951
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578630.4919517231,
                2379998.456017853,
                -59.83369509764674
              ],
              [
                578630.4919517231,
                2380998.3960178536,
                -59.83369509764674
              ],
              [
                578999.6119517232,
                2380998.3960178536,
                -19.67369509764674
              ],
              [
                578999.6119517232,
                2379998.456017853,
                -19.67369509764674
              ],
              [
                578630.4919517231,
                2379998.456017853,
                -59.83369509764674
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:06:38+00:00",
        "end_time": "2013-09-11T21:17:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7880.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7880.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7880.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7880.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2407705,
            21.52096058,
            -59.8336951,
            -158.2371595,
            21.53001057,
            -19.6736951
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2407705127312,
                  21.520976831803033,
                  -59.83369509764674
                ],
                [
                  -158.24072359121638,
                  21.530010572707983,
                  -59.83369509764674
                ],
                [
                  -158.23715950788937,
                  21.529994317034593,
                  -19.67369509764674
                ],
                [
                  -158.23720664977841,
                  21.520960583745325,
                  -19.67369509764674
                ],
                [
                  -158.2407705127312,
                  21.520976831803033,
                  -59.83369509764674
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7880.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7880.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:06:38Z",
            "pc:count": 230799,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578897.4269,
                "count": 230799,
                "maximum": 578999.612,
                "minimum": 578630.492,
                "name": "X",
                "position": 0,
                "stddev": 79.34218657,
                "variance": 6295.18257
              },
              {
                "average": 2380452.939,
                "count": 230799,
                "maximum": 2380998.396,
                "minimum": 2379998.456,
                "name": "Y",
                "position": 1,
                "stddev": 253.058058,
                "variance": 64038.38072
              },
              {
                "average": -33.66262954,
                "count": 230799,
                "maximum": -19.6736951,
                "minimum": -59.8336951,
                "name": "Z",
                "position": 2,
                "stddev": 8.939809828,
                "variance": 79.92019976
              },
              {
                "average": 730.0166682,
                "count": 230799,
                "maximum": 6507,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 674.5553581,
                "variance": 455024.9312
              },
              {
                "average": 1.006616147,
                "count": 230799,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08197387735,
                "variance": 0.006719716567
              },
              {
                "average": 1.011737486,
                "count": 230799,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1105216005,
                "variance": 0.01221502418
              },
              {
                "average": 1,
                "count": 230799,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 230799,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 230799,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.984189228,
                "count": 230799,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.346627704,
                "variance": 53.97293862
              },
              {
                "average": 248.5746299,
                "count": 230799,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 8.146914396,
                "variance": 66.37221418
              },
              {
                "average": 7.959011954,
                "count": 230799,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.919221864,
                "variance": 3.683412565
              },
              {
                "average": 63038923.94,
                "count": 230799,
                "maximum": 63047998.18,
                "minimum": 62969429.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 20297.6879,
                "variance": 411996134.2
              },
              {
                "average": 0,
                "count": 230799,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 230799,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 230799,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 230799,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 230799,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578630.492,
              2379998.456,
              -59.8336951,
              578999.612,
              2380998.396,
              -19.6736951
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578630.4919517231,
                    2379998.456017853,
                    -59.83369509764674
                  ],
                  [
                    578630.4919517231,
                    2380998.3960178536,
                    -59.83369509764674
                  ],
                  [
                    578999.6119517232,
                    2380998.3960178536,
                    -19.67369509764674
                  ],
                  [
                    578999.6119517232,
                    2379998.456017853,
                    -19.67369509764674
                  ],
                  [
                    578630.4919517231,
                    2379998.456017853,
                    -59.83369509764674
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:06:38+00:00",
            "end_time": "2013-09-11T21:17:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7881.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.24681531634704,
              21.530039340643945,
              -59.6374768652753
            ],
            [
              -158.24676874660412,
              21.53907290397474,
              -59.6374768652753
            ],
            [
              -158.2371123286953,
              21.539029019349805,
              -10.9574768652753
            ],
            [
              -158.2371594944364,
              21.52999547673538,
              -10.9574768652753
            ],
            [
              -158.24681531634704,
              21.530039340643945,
              -59.6374768652753
            ]
          ]
        ]
      },
      "bbox": [
        -158.2468153,
        21.52999548,
        -59.63747687,
        -158.2371123,
        21.5390729,
        -10.95747687
      ],
      "properties": {
        "datetime": "2013-09-12T19:06:41Z",
        "pc:count": 941661,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578687.1766,
            "count": 941661,
            "maximum": 578999.6127,
            "minimum": 577999.5927,
            "name": "X",
            "position": 0,
            "stddev": 249.2805631,
            "variance": 62140.79914
          },
          {
            "average": 2381663.428,
            "count": 941661,
            "maximum": 2381998.444,
            "minimum": 2380998.524,
            "name": "Y",
            "position": 1,
            "stddev": 241.3487279,
            "variance": 58249.20844
          },
          {
            "average": -27.25743777,
            "count": 941661,
            "maximum": -10.95747687,
            "minimum": -59.63747687,
            "name": "Z",
            "position": 2,
            "stddev": 9.009573339,
            "variance": 81.17241176
          },
          {
            "average": 867.1269501,
            "count": 941661,
            "maximum": 8970,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 907.0938366,
            "variance": 822819.2285
          },
          {
            "average": 1.010361478,
            "count": 941661,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1013255762,
            "variance": 0.01026687239
          },
          {
            "average": 1.010393337,
            "count": 941661,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1014794058,
            "variance": 0.0102980698
          },
          {
            "average": 1,
            "count": 941661,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 941661,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 941661,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.244936336,
            "count": 941661,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.463245149,
            "variance": 71.62651846
          },
          {
            "average": 233.1238864,
            "count": 941661,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 51.21060553,
            "variance": 2622.526118
          },
          {
            "average": 6.716734579,
            "count": 941661,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.970393339,
            "variance": 3.882449909
          },
          {
            "average": 63023112.02,
            "count": 941661,
            "maximum": 63048001.7,
            "minimum": 62969428.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 34846.55155,
            "variance": 1214282155
          },
          {
            "average": 0,
            "count": 941661,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 941661,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 941661,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 941661,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 941661,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          577999.5927,
          2380998.524,
          -59.63747687,
          578999.6127,
          2381998.444,
          -10.95747687
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                577999.5927180594,
                2380998.5243884455,
                -59.6374768652753
              ],
              [
                577999.5927180594,
                2381998.4443884455,
                -59.6374768652753
              ],
              [
                578999.6127180594,
                2381998.4443884455,
                -10.9574768652753
              ],
              [
                578999.6127180594,
                2380998.5243884455,
                -10.9574768652753
              ],
              [
                577999.5927180594,
                2380998.5243884455,
                -59.6374768652753
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:06:41+00:00",
        "end_time": "2013-09-11T21:17:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7881.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7881.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7881.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7881.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2468153,
            21.52999548,
            -59.63747687,
            -158.2371123,
            21.5390729,
            -10.95747687
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.24681531634704,
                  21.530039340643945,
                  -59.6374768652753
                ],
                [
                  -158.24676874660412,
                  21.53907290397474,
                  -59.6374768652753
                ],
                [
                  -158.2371123286953,
                  21.539029019349805,
                  -10.9574768652753
                ],
                [
                  -158.2371594944364,
                  21.52999547673538,
                  -10.9574768652753
                ],
                [
                  -158.24681531634704,
                  21.530039340643945,
                  -59.6374768652753
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7881.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7881.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:06:41Z",
            "pc:count": 941661,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578687.1766,
                "count": 941661,
                "maximum": 578999.6127,
                "minimum": 577999.5927,
                "name": "X",
                "position": 0,
                "stddev": 249.2805631,
                "variance": 62140.79914
              },
              {
                "average": 2381663.428,
                "count": 941661,
                "maximum": 2381998.444,
                "minimum": 2380998.524,
                "name": "Y",
                "position": 1,
                "stddev": 241.3487279,
                "variance": 58249.20844
              },
              {
                "average": -27.25743777,
                "count": 941661,
                "maximum": -10.95747687,
                "minimum": -59.63747687,
                "name": "Z",
                "position": 2,
                "stddev": 9.009573339,
                "variance": 81.17241176
              },
              {
                "average": 867.1269501,
                "count": 941661,
                "maximum": 8970,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 907.0938366,
                "variance": 822819.2285
              },
              {
                "average": 1.010361478,
                "count": 941661,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1013255762,
                "variance": 0.01026687239
              },
              {
                "average": 1.010393337,
                "count": 941661,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1014794058,
                "variance": 0.0102980698
              },
              {
                "average": 1,
                "count": 941661,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 941661,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 941661,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.244936336,
                "count": 941661,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.463245149,
                "variance": 71.62651846
              },
              {
                "average": 233.1238864,
                "count": 941661,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 51.21060553,
                "variance": 2622.526118
              },
              {
                "average": 6.716734579,
                "count": 941661,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.970393339,
                "variance": 3.882449909
              },
              {
                "average": 63023112.02,
                "count": 941661,
                "maximum": 63048001.7,
                "minimum": 62969428.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 34846.55155,
                "variance": 1214282155
              },
              {
                "average": 0,
                "count": 941661,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 941661,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 941661,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 941661,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 941661,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              577999.5927,
              2380998.524,
              -59.63747687,
              578999.6127,
              2381998.444,
              -10.95747687
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    577999.5927180594,
                    2380998.5243884455,
                    -59.6374768652753
                  ],
                  [
                    577999.5927180594,
                    2381998.4443884455,
                    -59.6374768652753
                  ],
                  [
                    578999.6127180594,
                    2381998.4443884455,
                    -10.9574768652753
                  ],
                  [
                    578999.6127180594,
                    2380998.5243884455,
                    -10.9574768652753
                  ],
                  [
                    577999.5927180594,
                    2380998.5243884455,
                    -59.6374768652753
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:06:41+00:00",
            "end_time": "2013-09-11T21:17:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7882.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2467687253731,
              21.53907298962585,
              -37.527776215616655
            ],
            [
              -158.2467221268183,
              21.548107265885157,
              -37.527776215616655
            ],
            [
              -158.23706530571394,
              21.548063361475585,
              113.05222378438336
            ],
            [
              -158.23711250058295,
              21.539029105882765,
              113.05222378438336
            ],
            [
              -158.2467687253731,
              21.53907298962585,
              -37.527776215616655
            ]
          ]
        ]
      },
      "bbox": [
        -158.2467687,
        21.53902911,
        -37.52777622,
        -158.2370653,
        21.54810727,
        113.0522238
      ],
      "properties": {
        "datetime": "2013-09-12T19:02:26Z",
        "pc:count": 3008252,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578580.9107,
            "count": 3008252,
            "maximum": 578999.5949,
            "minimum": 577999.5949,
            "name": "X",
            "position": 0,
            "stddev": 294.8460617,
            "variance": 86934.20012
          },
          {
            "average": 2382559.606,
            "count": 3008252,
            "maximum": 2382998.454,
            "minimum": 2381998.454,
            "name": "Y",
            "position": 1,
            "stddev": 286.4117858,
            "variance": 82031.71104
          },
          {
            "average": 3.77611673,
            "count": 3008252,
            "maximum": 113.0522238,
            "minimum": -37.52777622,
            "name": "Z",
            "position": 2,
            "stddev": 25.20840554,
            "variance": 635.4637098
          },
          {
            "average": 70.79372805,
            "count": 3008252,
            "maximum": 8442,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 202.8118569,
            "variance": 41132.64928
          },
          {
            "average": 1.129142106,
            "count": 3008252,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4081652922,
            "variance": 0.1665989057
          },
          {
            "average": 1.241219153,
            "count": 3008252,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6018706653,
            "variance": 0.3622482977
          },
          {
            "average": 1,
            "count": 3008252,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3008252,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.68702057,
            "count": 3008252,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.42322535,
            "variance": 180.1829788
          },
          {
            "average": 17.57816444,
            "count": 3008252,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.017488861,
            "variance": 49.24514991
          },
          {
            "average": 122.0767107,
            "count": 3008252,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 86.13172624,
            "variance": 7418.674266
          },
          {
            "average": 4.219020547,
            "count": 3008252,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.714044354,
            "variance": 2.937948047
          },
          {
            "average": 63028655.56,
            "count": 3008252,
            "maximum": 63047746.68,
            "minimum": 62969889.37,
            "name": "GpsTime",
            "position": 12,
            "stddev": 31416.14459,
            "variance": 986974141.1
          },
          {
            "average": 0,
            "count": 3008252,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3008252,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3008252,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3008252,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3008252,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          577999.5949,
          2381998.454,
          -37.52777622,
          578999.5949,
          2382998.454,
          113.0522238
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                577999.5948709552,
                2381998.4538795142,
                -37.527776215616655
              ],
              [
                577999.5948709552,
                2382998.4538795142,
                -37.527776215616655
              ],
              [
                578999.5948709552,
                2382998.4538795142,
                113.05222378438336
              ],
              [
                578999.5948709552,
                2381998.4538795142,
                113.05222378438336
              ],
              [
                577999.5948709552,
                2381998.4538795142,
                -37.527776215616655
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:02:26+00:00",
        "end_time": "2013-09-11T21:24:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7882.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7882.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7882.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7882.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2467687,
            21.53902911,
            -37.52777622,
            -158.2370653,
            21.54810727,
            113.0522238
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2467687253731,
                  21.53907298962585,
                  -37.527776215616655
                ],
                [
                  -158.2467221268183,
                  21.548107265885157,
                  -37.527776215616655
                ],
                [
                  -158.23706530571394,
                  21.548063361475585,
                  113.05222378438336
                ],
                [
                  -158.23711250058295,
                  21.539029105882765,
                  113.05222378438336
                ],
                [
                  -158.2467687253731,
                  21.53907298962585,
                  -37.527776215616655
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7882.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7882.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:02:26Z",
            "pc:count": 3008252,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578580.9107,
                "count": 3008252,
                "maximum": 578999.5949,
                "minimum": 577999.5949,
                "name": "X",
                "position": 0,
                "stddev": 294.8460617,
                "variance": 86934.20012
              },
              {
                "average": 2382559.606,
                "count": 3008252,
                "maximum": 2382998.454,
                "minimum": 2381998.454,
                "name": "Y",
                "position": 1,
                "stddev": 286.4117858,
                "variance": 82031.71104
              },
              {
                "average": 3.77611673,
                "count": 3008252,
                "maximum": 113.0522238,
                "minimum": -37.52777622,
                "name": "Z",
                "position": 2,
                "stddev": 25.20840554,
                "variance": 635.4637098
              },
              {
                "average": 70.79372805,
                "count": 3008252,
                "maximum": 8442,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 202.8118569,
                "variance": 41132.64928
              },
              {
                "average": 1.129142106,
                "count": 3008252,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4081652922,
                "variance": 0.1665989057
              },
              {
                "average": 1.241219153,
                "count": 3008252,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6018706653,
                "variance": 0.3622482977
              },
              {
                "average": 1,
                "count": 3008252,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3008252,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.68702057,
                "count": 3008252,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.42322535,
                "variance": 180.1829788
              },
              {
                "average": 17.57816444,
                "count": 3008252,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.017488861,
                "variance": 49.24514991
              },
              {
                "average": 122.0767107,
                "count": 3008252,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 86.13172624,
                "variance": 7418.674266
              },
              {
                "average": 4.219020547,
                "count": 3008252,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.714044354,
                "variance": 2.937948047
              },
              {
                "average": 63028655.56,
                "count": 3008252,
                "maximum": 63047746.68,
                "minimum": 62969889.37,
                "name": "GpsTime",
                "position": 12,
                "stddev": 31416.14459,
                "variance": 986974141.1
              },
              {
                "average": 0,
                "count": 3008252,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3008252,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3008252,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3008252,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3008252,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              577999.5949,
              2381998.454,
              -37.52777622,
              578999.5949,
              2382998.454,
              113.0522238
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    577999.5948709552,
                    2381998.4538795142,
                    -37.527776215616655
                  ],
                  [
                    577999.5948709552,
                    2382998.4538795142,
                    -37.527776215616655
                  ],
                  [
                    578999.5948709552,
                    2382998.4538795142,
                    113.05222378438336
                  ],
                  [
                    578999.5948709552,
                    2381998.4538795142,
                    113.05222378438336
                  ],
                  [
                    577999.5948709552,
                    2381998.4538795142,
                    -37.527776215616655
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:02:26+00:00",
            "end_time": "2013-09-11T21:24:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8570.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1797824139746,
              21.43034372692372,
              3.341387149043939
            ],
            [
              -158.17974374750003,
              21.437262166821707,
              3.341387149043939
            ],
            [
              -158.17475432321834,
              21.437237610242914,
              216.94138714904392
            ],
            [
              -158.17479322170894,
              21.430319179384778,
              216.94138714904392
            ],
            [
              -158.1797824139746,
              21.43034372692372,
              3.341387149043939
            ]
          ]
        ]
      },
      "bbox": [
        -158.1797824,
        21.43031918,
        3.341387149,
        -158.1747543,
        21.43726217,
        216.9413871
      ],
      "properties": {
        "datetime": "2013-09-10T23:06:08Z",
        "pc:count": 1678117,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 585146.3298,
            "count": 1678117,
            "maximum": 585516.7224,
            "minimum": 584999.6424,
            "name": "X",
            "position": 0,
            "stddev": 123.171702,
            "variance": 15171.26817
          },
          {
            "average": 2370237.063,
            "count": 1678117,
            "maximum": 2370764.25,
            "minimum": 2369998.45,
            "name": "Y",
            "position": 1,
            "stddev": 187.480546,
            "variance": 35148.95514
          },
          {
            "average": 76.26918296,
            "count": 1678117,
            "maximum": 216.9413871,
            "minimum": 3.341387149,
            "name": "Z",
            "position": 2,
            "stddev": 49.60135196,
            "variance": 2460.294117
          },
          {
            "average": 28.91175526,
            "count": 1678117,
            "maximum": 748,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 55.04675455,
            "variance": 3030.145186
          },
          {
            "average": 1.44063197,
            "count": 1678117,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8656784048,
            "variance": 0.7493991005
          },
          {
            "average": 1.881127478,
            "count": 1678117,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.332431065,
            "variance": 1.775372544
          },
          {
            "average": 1,
            "count": 1678117,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1678117,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.164766819,
            "count": 1678117,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3709700748,
            "variance": 0.1376187964
          },
          {
            "average": 20.19266653,
            "count": 1678117,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.081925813,
            "variance": 9.498266714
          },
          {
            "average": 90.58965674,
            "count": 1678117,
            "maximum": 211,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.66361921,
            "variance": 4311.710888
          },
          {
            "average": 1.278298235,
            "count": 1678117,
            "maximum": 3,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4602134711,
            "variance": 0.211796439
          },
          {
            "average": 62793916.12,
            "count": 1678117,
            "maximum": 62889568.8,
            "minimum": 62715517.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86260.08894,
            "variance": 7440802944
          },
          {
            "average": 0,
            "count": 1678117,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1678117,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1678117,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1678117,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1678117,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          584999.6424,
          2369998.45,
          3.341387149,
          585516.7224,
          2370764.25,
          216.9413871
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                584999.6424189557,
                2369998.45007352,
                3.341387149043939
              ],
              [
                584999.6424189557,
                2370764.25007352,
                3.341387149043939
              ],
              [
                585516.7224189558,
                2370764.25007352,
                216.94138714904392
              ],
              [
                585516.7224189558,
                2369998.45007352,
                216.94138714904392
              ],
              [
                584999.6424189557,
                2369998.45007352,
                3.341387149043939
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:06:08+00:00",
        "end_time": "2013-09-08T22:45:17+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8570.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8570.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8570.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8570.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1797824,
            21.43031918,
            3.341387149,
            -158.1747543,
            21.43726217,
            216.9413871
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1797824139746,
                  21.43034372692372,
                  3.341387149043939
                ],
                [
                  -158.17974374750003,
                  21.437262166821707,
                  3.341387149043939
                ],
                [
                  -158.17475432321834,
                  21.437237610242914,
                  216.94138714904392
                ],
                [
                  -158.17479322170894,
                  21.430319179384778,
                  216.94138714904392
                ],
                [
                  -158.1797824139746,
                  21.43034372692372,
                  3.341387149043939
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8570.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8570.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:06:08Z",
            "pc:count": 1678117,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 585146.3298,
                "count": 1678117,
                "maximum": 585516.7224,
                "minimum": 584999.6424,
                "name": "X",
                "position": 0,
                "stddev": 123.171702,
                "variance": 15171.26817
              },
              {
                "average": 2370237.063,
                "count": 1678117,
                "maximum": 2370764.25,
                "minimum": 2369998.45,
                "name": "Y",
                "position": 1,
                "stddev": 187.480546,
                "variance": 35148.95514
              },
              {
                "average": 76.26918296,
                "count": 1678117,
                "maximum": 216.9413871,
                "minimum": 3.341387149,
                "name": "Z",
                "position": 2,
                "stddev": 49.60135196,
                "variance": 2460.294117
              },
              {
                "average": 28.91175526,
                "count": 1678117,
                "maximum": 748,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 55.04675455,
                "variance": 3030.145186
              },
              {
                "average": 1.44063197,
                "count": 1678117,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8656784048,
                "variance": 0.7493991005
              },
              {
                "average": 1.881127478,
                "count": 1678117,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.332431065,
                "variance": 1.775372544
              },
              {
                "average": 1,
                "count": 1678117,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1678117,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.164766819,
                "count": 1678117,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3709700748,
                "variance": 0.1376187964
              },
              {
                "average": 20.19266653,
                "count": 1678117,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.081925813,
                "variance": 9.498266714
              },
              {
                "average": 90.58965674,
                "count": 1678117,
                "maximum": 211,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.66361921,
                "variance": 4311.710888
              },
              {
                "average": 1.278298235,
                "count": 1678117,
                "maximum": 3,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4602134711,
                "variance": 0.211796439
              },
              {
                "average": 62793916.12,
                "count": 1678117,
                "maximum": 62889568.8,
                "minimum": 62715517.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86260.08894,
                "variance": 7440802944
              },
              {
                "average": 0,
                "count": 1678117,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1678117,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1678117,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1678117,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1678117,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              584999.6424,
              2369998.45,
              3.341387149,
              585516.7224,
              2370764.25,
              216.9413871
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    584999.6424189557,
                    2369998.45007352,
                    3.341387149043939
                  ],
                  [
                    584999.6424189557,
                    2370764.25007352,
                    3.341387149043939
                  ],
                  [
                    585516.7224189558,
                    2370764.25007352,
                    216.94138714904392
                  ],
                  [
                    585516.7224189558,
                    2369998.45007352,
                    216.94138714904392
                  ],
                  [
                    584999.6424189557,
                    2369998.45007352,
                    3.341387149043939
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:06:08+00:00",
            "end_time": "2013-09-08T22:45:17+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8585.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1699003325832,
              21.57478523751456,
              3.01932998790771
            ],
            [
              -158.1698999878194,
              21.57484576584411,
              3.01932998790771
            ],
            [
              -158.16931391236295,
              21.574842844541035,
              15.979329987907711
            ],
            [
              -158.16931425737252,
              21.574782316219885,
              15.979329987907711
            ],
            [
              -158.1699003325832,
              21.57478523751456,
              3.01932998790771
            ]
          ]
        ]
      },
      "bbox": [
        -158.1699003,
        21.57478232,
        3.019329988,
        -158.1693139,
        21.57484577,
        15.97932999
      ],
      "properties": {
        "datetime": "2013-09-10T16:39:24Z",
        "pc:count": 4890,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 585975.4785,
            "count": 4890,
            "maximum": 585999.5847,
            "minimum": 585938.9047,
            "name": "X",
            "position": 0,
            "stddev": 12.5763373,
            "variance": 158.1642599
          },
          {
            "average": 2385996.26,
            "count": 4890,
            "maximum": 2385998.475,
            "minimum": 2385991.775,
            "name": "Y",
            "position": 1,
            "stddev": 1.546636724,
            "variance": 2.392085157
          },
          {
            "average": 5.619614241,
            "count": 4890,
            "maximum": 15.97932999,
            "minimum": 3.019329988,
            "name": "Z",
            "position": 2,
            "stddev": 2.858834835,
            "variance": 8.172936614
          },
          {
            "average": 10.1607362,
            "count": 4890,
            "maximum": 71,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.45404947,
            "variance": 208.9195462
          },
          {
            "average": 2.300817996,
            "count": 4890,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.280028694,
            "variance": 1.638473456
          },
          {
            "average": 3.167893661,
            "count": 4890,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.551802659,
            "variance": 2.408091492
          },
          {
            "average": 1,
            "count": 4890,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4890,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.198568507,
            "count": 4890,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3989631632,
            "variance": 0.1591716056
          },
          {
            "average": 24.37628009,
            "count": 4890,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.046247841,
            "variance": 1.094634544
          },
          {
            "average": 86.11206544,
            "count": 4890,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.32393296,
            "variance": 5087.103413
          },
          {
            "average": 1,
            "count": 4890,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62866363.24,
            "count": 4890,
            "maximum": 62866364.2,
            "minimum": 62866362.65,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.2750960171,
            "variance": 0.07567781862
          },
          {
            "average": 0,
            "count": 4890,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4890,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4890,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4890,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4890,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          585938.9047,
          2385991.775,
          3.019329988,
          585999.5847,
          2385998.475,
          15.97932999
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                585938.9046876781,
                2385991.7746293717,
                3.01932998790771
              ],
              [
                585938.9046876781,
                2385998.474629372,
                3.01932998790771
              ],
              [
                585999.584687678,
                2385998.474629372,
                15.979329987907711
              ],
              [
                585999.584687678,
                2385991.7746293717,
                15.979329987907711
              ],
              [
                585938.9046876781,
                2385991.7746293717,
                3.01932998790771
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T16:39:24+00:00",
        "end_time": "2013-09-10T16:39:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8585.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8585.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8585.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8585.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1699003,
            21.57478232,
            3.019329988,
            -158.1693139,
            21.57484577,
            15.97932999
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1699003325832,
                  21.57478523751456,
                  3.01932998790771
                ],
                [
                  -158.1698999878194,
                  21.57484576584411,
                  3.01932998790771
                ],
                [
                  -158.16931391236295,
                  21.574842844541035,
                  15.979329987907711
                ],
                [
                  -158.16931425737252,
                  21.574782316219885,
                  15.979329987907711
                ],
                [
                  -158.1699003325832,
                  21.57478523751456,
                  3.01932998790771
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8585.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8585.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T16:39:24Z",
            "pc:count": 4890,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 585975.4785,
                "count": 4890,
                "maximum": 585999.5847,
                "minimum": 585938.9047,
                "name": "X",
                "position": 0,
                "stddev": 12.5763373,
                "variance": 158.1642599
              },
              {
                "average": 2385996.26,
                "count": 4890,
                "maximum": 2385998.475,
                "minimum": 2385991.775,
                "name": "Y",
                "position": 1,
                "stddev": 1.546636724,
                "variance": 2.392085157
              },
              {
                "average": 5.619614241,
                "count": 4890,
                "maximum": 15.97932999,
                "minimum": 3.019329988,
                "name": "Z",
                "position": 2,
                "stddev": 2.858834835,
                "variance": 8.172936614
              },
              {
                "average": 10.1607362,
                "count": 4890,
                "maximum": 71,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.45404947,
                "variance": 208.9195462
              },
              {
                "average": 2.300817996,
                "count": 4890,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.280028694,
                "variance": 1.638473456
              },
              {
                "average": 3.167893661,
                "count": 4890,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.551802659,
                "variance": 2.408091492
              },
              {
                "average": 1,
                "count": 4890,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4890,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.198568507,
                "count": 4890,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3989631632,
                "variance": 0.1591716056
              },
              {
                "average": 24.37628009,
                "count": 4890,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.046247841,
                "variance": 1.094634544
              },
              {
                "average": 86.11206544,
                "count": 4890,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.32393296,
                "variance": 5087.103413
              },
              {
                "average": 1,
                "count": 4890,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62866363.24,
                "count": 4890,
                "maximum": 62866364.2,
                "minimum": 62866362.65,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.2750960171,
                "variance": 0.07567781862
              },
              {
                "average": 0,
                "count": 4890,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4890,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4890,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4890,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4890,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              585938.9047,
              2385991.775,
              3.019329988,
              585999.5847,
              2385998.475,
              15.97932999
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    585938.9046876781,
                    2385991.7746293717,
                    3.01932998790771
                  ],
                  [
                    585938.9046876781,
                    2385998.474629372,
                    3.01932998790771
                  ],
                  [
                    585999.584687678,
                    2385998.474629372,
                    15.979329987907711
                  ],
                  [
                    585999.584687678,
                    2385991.7746293717,
                    15.979329987907711
                  ],
                  [
                    585938.9046876781,
                    2385991.7746293717,
                    3.01932998790771
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T16:39:24+00:00",
            "end_time": "2013-09-10T16:39:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8087.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2272173103877,
              21.58415588075475,
              -27.759480834201742
            ],
            [
              -158.2271717362985,
              21.592746851038278,
              -27.759480834201742
            ],
            [
              -158.2175120206039,
              21.59270172328762,
              -4.399480834201743
            ],
            [
              -158.217558161208,
              21.584110773446003,
              -4.399480834201743
            ],
            [
              -158.2272173103877,
              21.58415588075475,
              -27.759480834201742
            ]
          ]
        ]
      },
      "bbox": [
        -158.2272173,
        21.58411077,
        -27.75948083,
        -158.217512,
        21.59274685,
        -4.399480834
      ],
      "properties": {
        "datetime": "2013-09-10T17:57:20Z",
        "pc:count": 2125009,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 580526.623,
            "count": 2125009,
            "maximum": 580999.5728,
            "minimum": 579999.5728,
            "name": "X",
            "position": 0,
            "stddev": 290.9223158,
            "variance": 84635.79382
          },
          {
            "average": 2387304.447,
            "count": 2125009,
            "maximum": 2387949.41,
            "minimum": 2386998.47,
            "name": "Y",
            "position": 1,
            "stddev": 208.2726937,
            "variance": 43377.51495
          },
          {
            "average": -10.98909431,
            "count": 2125009,
            "maximum": -4.399480834,
            "minimum": -27.75948083,
            "name": "Z",
            "position": 2,
            "stddev": 3.759251474,
            "variance": 14.13197165
          },
          {
            "average": 45.94001249,
            "count": 2125009,
            "maximum": 1150,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 100.3186265,
            "variance": 10063.82682
          },
          {
            "average": 1.040840298,
            "count": 2125009,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2017981614,
            "variance": 0.04072249795
          },
          {
            "average": 1.080069308,
            "count": 2125009,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.279902286,
            "variance": 0.07834528971
          },
          {
            "average": 1,
            "count": 2125009,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2125009,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2125009,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.40871422,
            "count": 2125009,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.827459517,
            "variance": 46.61420345
          },
          {
            "average": 107.4981885,
            "count": 2125009,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 82.70929688,
            "variance": 6840.82779
          },
          {
            "average": 7.599069463,
            "count": 2125009,
            "maximum": 10,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.094598549,
            "variance": 1.198145983
          },
          {
            "average": 62869815.63,
            "count": 2125009,
            "maximum": 62871040.05,
            "minimum": 62868985.09,
            "name": "GpsTime",
            "position": 12,
            "stddev": 555.7738211,
            "variance": 308884.5402
          },
          {
            "average": 0,
            "count": 2125009,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2125009,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2125009,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2125009,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2125009,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579999.5728,
          2386998.47,
          -27.75948083,
          580999.5728,
          2387949.41,
          -4.399480834
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579999.5727967736,
                2386998.4696152,
                -27.759480834201742
              ],
              [
                579999.5727967736,
                2387949.4096152005,
                -27.759480834201742
              ],
              [
                580999.5727967736,
                2387949.4096152005,
                -4.399480834201743
              ],
              [
                580999.5727967736,
                2386998.4696152,
                -4.399480834201743
              ],
              [
                579999.5727967736,
                2386998.4696152,
                -27.759480834201742
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:57:20+00:00",
        "end_time": "2013-09-10T17:23:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8087.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8087.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8087.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8087.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2272173,
            21.58411077,
            -27.75948083,
            -158.217512,
            21.59274685,
            -4.399480834
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2272173103877,
                  21.58415588075475,
                  -27.759480834201742
                ],
                [
                  -158.2271717362985,
                  21.592746851038278,
                  -27.759480834201742
                ],
                [
                  -158.2175120206039,
                  21.59270172328762,
                  -4.399480834201743
                ],
                [
                  -158.217558161208,
                  21.584110773446003,
                  -4.399480834201743
                ],
                [
                  -158.2272173103877,
                  21.58415588075475,
                  -27.759480834201742
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8087.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8087.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:57:20Z",
            "pc:count": 2125009,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 580526.623,
                "count": 2125009,
                "maximum": 580999.5728,
                "minimum": 579999.5728,
                "name": "X",
                "position": 0,
                "stddev": 290.9223158,
                "variance": 84635.79382
              },
              {
                "average": 2387304.447,
                "count": 2125009,
                "maximum": 2387949.41,
                "minimum": 2386998.47,
                "name": "Y",
                "position": 1,
                "stddev": 208.2726937,
                "variance": 43377.51495
              },
              {
                "average": -10.98909431,
                "count": 2125009,
                "maximum": -4.399480834,
                "minimum": -27.75948083,
                "name": "Z",
                "position": 2,
                "stddev": 3.759251474,
                "variance": 14.13197165
              },
              {
                "average": 45.94001249,
                "count": 2125009,
                "maximum": 1150,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 100.3186265,
                "variance": 10063.82682
              },
              {
                "average": 1.040840298,
                "count": 2125009,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2017981614,
                "variance": 0.04072249795
              },
              {
                "average": 1.080069308,
                "count": 2125009,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.279902286,
                "variance": 0.07834528971
              },
              {
                "average": 1,
                "count": 2125009,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2125009,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2125009,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.40871422,
                "count": 2125009,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.827459517,
                "variance": 46.61420345
              },
              {
                "average": 107.4981885,
                "count": 2125009,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 82.70929688,
                "variance": 6840.82779
              },
              {
                "average": 7.599069463,
                "count": 2125009,
                "maximum": 10,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.094598549,
                "variance": 1.198145983
              },
              {
                "average": 62869815.63,
                "count": 2125009,
                "maximum": 62871040.05,
                "minimum": 62868985.09,
                "name": "GpsTime",
                "position": 12,
                "stddev": 555.7738211,
                "variance": 308884.5402
              },
              {
                "average": 0,
                "count": 2125009,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2125009,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2125009,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2125009,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2125009,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579999.5728,
              2386998.47,
              -27.75948083,
              580999.5728,
              2387949.41,
              -4.399480834
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579999.5727967736,
                    2386998.4696152,
                    -27.759480834201742
                  ],
                  [
                    579999.5727967736,
                    2387949.4096152005,
                    -27.759480834201742
                  ],
                  [
                    580999.5727967736,
                    2387949.4096152005,
                    -4.399480834201743
                  ],
                  [
                    580999.5727967736,
                    2386998.4696152,
                    -4.399480834201743
                  ],
                  [
                    579999.5727967736,
                    2386998.4696152,
                    -27.759480834201742
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:57:20+00:00",
            "end_time": "2013-09-10T17:23:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9086.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1306798187826,
              21.5746457124056,
              -2.873148577608266
            ],
            [
              -158.13062588125254,
              21.5836797037714,
              -2.873148577608266
            ],
            [
              -158.12096694896837,
              21.583629000025127,
              32.74685142239173
            ],
            [
              -158.12102147150443,
              21.57459503359277,
              32.74685142239173
            ],
            [
              -158.1306798187826,
              21.5746457124056,
              -2.873148577608266
            ]
          ]
        ]
      },
      "bbox": [
        -158.1306798,
        21.57459503,
        -2.873148578,
        -158.1209669,
        21.5836797,
        32.74685142
      ],
      "properties": {
        "datetime": "2013-09-22T23:51:14Z",
        "pc:count": 13569966,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590571.0906,
            "count": 13569966,
            "maximum": 590999.6347,
            "minimum": 589999.6347,
            "name": "X",
            "position": 0,
            "stddev": 274.9732434,
            "variance": 75610.28458
          },
          {
            "average": 2386546.792,
            "count": 13569966,
            "maximum": 2386998.474,
            "minimum": 2385998.474,
            "name": "Y",
            "position": 1,
            "stddev": 251.3657532,
            "variance": 63184.74189
          },
          {
            "average": 5.275506502,
            "count": 13569966,
            "maximum": 32.74685142,
            "minimum": -2.873148578,
            "name": "Z",
            "position": 2,
            "stddev": 3.076072552,
            "variance": 9.462222347
          },
          {
            "average": 17.11744849,
            "count": 13569966,
            "maximum": 1110,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 26.62973388,
            "variance": 709.1427263
          },
          {
            "average": 1.364392144,
            "count": 13569966,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7430324877,
            "variance": 0.5520972778
          },
          {
            "average": 1.729811482,
            "count": 13569966,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.114269013,
            "variance": 1.241595434
          },
          {
            "average": 1,
            "count": 13569966,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13569966,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.81287455,
            "count": 13569966,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.337561329,
            "variance": 18.81443828
          },
          {
            "average": 20.14284708,
            "count": 13569966,
            "maximum": 40.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.046424493,
            "variance": 16.37355118
          },
          {
            "average": 91.37771141,
            "count": 13569966,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.57905066,
            "variance": 4300.611885
          },
          {
            "average": 3.681177315,
            "count": 13569966,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.929607783,
            "variance": 3.723386198
          },
          {
            "average": 63065372,
            "count": 13569966,
            "maximum": 63929074.21,
            "minimum": 62866427.71,
            "name": "GpsTime",
            "position": 12,
            "stddev": 374393.1085,
            "variance": 140170199700.0
          },
          {
            "average": 0,
            "count": 13569966,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13569966,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13569966,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13569966,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13569966,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          589999.6347,
          2385998.474,
          -2.873148578,
          590999.6347,
          2386998.474,
          32.74685142
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                589999.6346885937,
                2385998.4738761936,
                -2.873148577608266
              ],
              [
                589999.6346885937,
                2386998.4738761936,
                -2.873148577608266
              ],
              [
                590999.6346885937,
                2386998.4738761936,
                32.74685142239173
              ],
              [
                590999.6346885937,
                2385998.4738761936,
                32.74685142239173
              ],
              [
                589999.6346885937,
                2385998.4738761936,
                -2.873148577608266
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:51:14+00:00",
        "end_time": "2013-09-10T16:40:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9086.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9086.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9086.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9086.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1306798,
            21.57459503,
            -2.873148578,
            -158.1209669,
            21.5836797,
            32.74685142
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1306798187826,
                  21.5746457124056,
                  -2.873148577608266
                ],
                [
                  -158.13062588125254,
                  21.5836797037714,
                  -2.873148577608266
                ],
                [
                  -158.12096694896837,
                  21.583629000025127,
                  32.74685142239173
                ],
                [
                  -158.12102147150443,
                  21.57459503359277,
                  32.74685142239173
                ],
                [
                  -158.1306798187826,
                  21.5746457124056,
                  -2.873148577608266
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9086.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9086.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:51:14Z",
            "pc:count": 13569966,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590571.0906,
                "count": 13569966,
                "maximum": 590999.6347,
                "minimum": 589999.6347,
                "name": "X",
                "position": 0,
                "stddev": 274.9732434,
                "variance": 75610.28458
              },
              {
                "average": 2386546.792,
                "count": 13569966,
                "maximum": 2386998.474,
                "minimum": 2385998.474,
                "name": "Y",
                "position": 1,
                "stddev": 251.3657532,
                "variance": 63184.74189
              },
              {
                "average": 5.275506502,
                "count": 13569966,
                "maximum": 32.74685142,
                "minimum": -2.873148578,
                "name": "Z",
                "position": 2,
                "stddev": 3.076072552,
                "variance": 9.462222347
              },
              {
                "average": 17.11744849,
                "count": 13569966,
                "maximum": 1110,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 26.62973388,
                "variance": 709.1427263
              },
              {
                "average": 1.364392144,
                "count": 13569966,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7430324877,
                "variance": 0.5520972778
              },
              {
                "average": 1.729811482,
                "count": 13569966,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.114269013,
                "variance": 1.241595434
              },
              {
                "average": 1,
                "count": 13569966,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13569966,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.81287455,
                "count": 13569966,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.337561329,
                "variance": 18.81443828
              },
              {
                "average": 20.14284708,
                "count": 13569966,
                "maximum": 40.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.046424493,
                "variance": 16.37355118
              },
              {
                "average": 91.37771141,
                "count": 13569966,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.57905066,
                "variance": 4300.611885
              },
              {
                "average": 3.681177315,
                "count": 13569966,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.929607783,
                "variance": 3.723386198
              },
              {
                "average": 63065372,
                "count": 13569966,
                "maximum": 63929074.21,
                "minimum": 62866427.71,
                "name": "GpsTime",
                "position": 12,
                "stddev": 374393.1085,
                "variance": 140170199700.0
              },
              {
                "average": 0,
                "count": 13569966,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13569966,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13569966,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13569966,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13569966,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              589999.6347,
              2385998.474,
              -2.873148578,
              590999.6347,
              2386998.474,
              32.74685142
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    589999.6346885937,
                    2385998.4738761936,
                    -2.873148577608266
                  ],
                  [
                    589999.6346885937,
                    2386998.4738761936,
                    -2.873148577608266
                  ],
                  [
                    590999.6346885937,
                    2386998.4738761936,
                    32.74685142239173
                  ],
                  [
                    590999.6346885937,
                    2385998.4738761936,
                    32.74685142239173
                  ],
                  [
                    589999.6346885937,
                    2385998.4738761936,
                    -2.873148577608266
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:51:14+00:00",
            "end_time": "2013-09-10T16:40:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8171.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.21364870144927,
              21.44412735058349,
              -58.72145274950713
            ],
            [
              -158.2136248631917,
              21.448575305911177,
              -58.72145274950713
            ],
            [
              -158.20863185011433,
              21.448551773741777,
              -26.241452749507125
            ],
            [
              -158.20865584023244,
              21.444103823492867,
              -26.241452749507125
            ],
            [
              -158.21364870144927,
              21.44412735058349,
              -58.72145274950713
            ]
          ]
        ]
      },
      "bbox": [
        -158.2136487,
        21.44410382,
        -58.72145275,
        -158.2086319,
        21.44857531,
        -26.24145275
      ],
      "properties": {
        "datetime": "2013-09-19T00:32:26Z",
        "pc:count": 86413,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 581901.1499,
            "count": 86413,
            "maximum": 581999.6372,
            "minimum": 581482.2372,
            "name": "X",
            "position": 0,
            "stddev": 73.19752572,
            "variance": 5357.877772
          },
          {
            "average": 2371843.294,
            "count": 86413,
            "maximum": 2371998.463,
            "minimum": 2371506.123,
            "name": "Y",
            "position": 1,
            "stddev": 107.4427515,
            "variance": 11543.94484
          },
          {
            "average": -37.41444304,
            "count": 86413,
            "maximum": -26.24145275,
            "minimum": -58.72145275,
            "name": "Z",
            "position": 2,
            "stddev": 5.429367873,
            "variance": 29.4780355
          },
          {
            "average": 1318.925833,
            "count": 86413,
            "maximum": 7102,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 664.1089065,
            "variance": 441040.6397
          },
          {
            "average": 1.001562265,
            "count": 86413,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0397867723,
            "variance": 0.00158298725
          },
          {
            "average": 1.002152454,
            "count": 86413,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04684160093,
            "variance": 0.002194135578
          },
          {
            "average": 1,
            "count": 86413,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 86413,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 86413,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.14555966,
            "count": 86413,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.93659745,
            "variance": 79.86277399
          },
          {
            "average": 249.0120584,
            "count": 86413,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1117663981,
            "variance": 0.01249172774
          },
          {
            "average": 7.32055362,
            "count": 86413,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.580022479,
            "variance": 12.81656095
          },
          {
            "average": 63227751.23,
            "count": 86413,
            "maximum": 63585946.96,
            "minimum": 62722392.07,
            "name": "GpsTime",
            "position": 12,
            "stddev": 417986.232,
            "variance": 174712490100.0
          },
          {
            "average": 0,
            "count": 86413,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 86413,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 86413,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 86413,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 86413,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          581482.2372,
          2371506.123,
          -58.72145275,
          581999.6372,
          2371998.463,
          -26.24145275
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                581482.2372027955,
                2371506.123114772,
                -58.72145274950713
              ],
              [
                581482.2372027955,
                2371998.463114772,
                -58.72145274950713
              ],
              [
                581999.6372027954,
                2371998.463114772,
                -26.241452749507125
              ],
              [
                581999.6372027954,
                2371506.123114772,
                -26.241452749507125
              ],
              [
                581482.2372027955,
                2371506.123114772,
                -58.72145274950713
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:32:26+00:00",
        "end_time": "2013-09-09T00:39:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8171.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8171.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8171.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8171.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2136487,
            21.44410382,
            -58.72145275,
            -158.2086319,
            21.44857531,
            -26.24145275
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.21364870144927,
                  21.44412735058349,
                  -58.72145274950713
                ],
                [
                  -158.2136248631917,
                  21.448575305911177,
                  -58.72145274950713
                ],
                [
                  -158.20863185011433,
                  21.448551773741777,
                  -26.241452749507125
                ],
                [
                  -158.20865584023244,
                  21.444103823492867,
                  -26.241452749507125
                ],
                [
                  -158.21364870144927,
                  21.44412735058349,
                  -58.72145274950713
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8171.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8171.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:32:26Z",
            "pc:count": 86413,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 581901.1499,
                "count": 86413,
                "maximum": 581999.6372,
                "minimum": 581482.2372,
                "name": "X",
                "position": 0,
                "stddev": 73.19752572,
                "variance": 5357.877772
              },
              {
                "average": 2371843.294,
                "count": 86413,
                "maximum": 2371998.463,
                "minimum": 2371506.123,
                "name": "Y",
                "position": 1,
                "stddev": 107.4427515,
                "variance": 11543.94484
              },
              {
                "average": -37.41444304,
                "count": 86413,
                "maximum": -26.24145275,
                "minimum": -58.72145275,
                "name": "Z",
                "position": 2,
                "stddev": 5.429367873,
                "variance": 29.4780355
              },
              {
                "average": 1318.925833,
                "count": 86413,
                "maximum": 7102,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 664.1089065,
                "variance": 441040.6397
              },
              {
                "average": 1.001562265,
                "count": 86413,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0397867723,
                "variance": 0.00158298725
              },
              {
                "average": 1.002152454,
                "count": 86413,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04684160093,
                "variance": 0.002194135578
              },
              {
                "average": 1,
                "count": 86413,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 86413,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 86413,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.14555966,
                "count": 86413,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.93659745,
                "variance": 79.86277399
              },
              {
                "average": 249.0120584,
                "count": 86413,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1117663981,
                "variance": 0.01249172774
              },
              {
                "average": 7.32055362,
                "count": 86413,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.580022479,
                "variance": 12.81656095
              },
              {
                "average": 63227751.23,
                "count": 86413,
                "maximum": 63585946.96,
                "minimum": 62722392.07,
                "name": "GpsTime",
                "position": 12,
                "stddev": 417986.232,
                "variance": 174712490100.0
              },
              {
                "average": 0,
                "count": 86413,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 86413,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 86413,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 86413,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 86413,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              581482.2372,
              2371506.123,
              -58.72145275,
              581999.6372,
              2371998.463,
              -26.24145275
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    581482.2372027955,
                    2371506.123114772,
                    -58.72145274950713
                  ],
                  [
                    581482.2372027955,
                    2371998.463114772,
                    -58.72145274950713
                  ],
                  [
                    581999.6372027954,
                    2371998.463114772,
                    -26.241452749507125
                  ],
                  [
                    581999.6372027954,
                    2371506.123114772,
                    -26.241452749507125
                  ],
                  [
                    581482.2372027955,
                    2371506.123114772,
                    -58.72145274950713
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:32:26+00:00",
            "end_time": "2013-09-09T00:39:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej7883.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.24672225123092,
              21.548107199209742,
              -9.885621400901336
            ],
            [
              -158.24668241475703,
              21.555826619124566,
              -9.885621400901336
            ],
            [
              -158.2370250839079,
              21.5557826971044,
              102.37437859909866
            ],
            [
              -158.23706543013074,
              21.5480632948075,
              102.37437859909866
            ],
            [
              -158.24672225123092,
              21.548107199209742,
              -9.885621400901336
            ]
          ]
        ]
      },
      "bbox": [
        -158.2467223,
        21.54806329,
        -9.885621401,
        -158.2370251,
        21.55582662,
        102.3743786
      ],
      "properties": {
        "datetime": "2013-09-12T18:40:15Z",
        "pc:count": 3079329,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578400.4774,
            "count": 3079329,
            "maximum": 578999.582,
            "minimum": 577999.582,
            "name": "X",
            "position": 0,
            "stddev": 269.9956237,
            "variance": 72897.63679
          },
          {
            "average": 2383334.293,
            "count": 3079329,
            "maximum": 2383852.906,
            "minimum": 2382998.446,
            "name": "Y",
            "position": 1,
            "stddev": 211.6023231,
            "variance": 44775.54313
          },
          {
            "average": 12.05003064,
            "count": 3079329,
            "maximum": 102.3743786,
            "minimum": -9.885621401,
            "name": "Z",
            "position": 2,
            "stddev": 18.38800922,
            "variance": 338.118883
          },
          {
            "average": 19.50148198,
            "count": 3079329,
            "maximum": 1302,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 26.89710123,
            "variance": 723.4540547
          },
          {
            "average": 1.208689945,
            "count": 3079329,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5048096181,
            "variance": 0.2548327505
          },
          {
            "average": 1.411291876,
            "count": 3079329,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7358837143,
            "variance": 0.541524841
          },
          {
            "average": 1,
            "count": 3079329,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3079329,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.516235842,
            "count": 3079329,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.06618683,
            "variance": 101.3281172
          },
          {
            "average": 21.63976633,
            "count": 3079329,
            "maximum": 40.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.992972485,
            "variance": 48.90166417
          },
          {
            "average": 91.74335773,
            "count": 3079329,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.9555295,
            "variance": 4350.131872
          },
          {
            "average": 1.833276016,
            "count": 3079329,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8723441366,
            "variance": 0.7609842926
          },
          {
            "average": 63045237.27,
            "count": 3079329,
            "maximum": 63046415.04,
            "minimum": 63044981.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 274.5484865,
            "variance": 75376.87146
          },
          {
            "average": 0,
            "count": 3079329,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3079329,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3079329,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3079329,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3079329,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          577999.582,
          2382998.446,
          -9.885621401,
          578999.582,
          2383852.906,
          102.3743786
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                577999.5820234986,
                2382998.4464371996,
                -9.885621400901336
              ],
              [
                577999.5820234986,
                2383852.9064371996,
                -9.885621400901336
              ],
              [
                578999.5820234986,
                2383852.9064371996,
                102.37437859909866
              ],
              [
                578999.5820234986,
                2382998.4464371996,
                102.37437859909866
              ],
              [
                577999.5820234986,
                2382998.4464371996,
                -9.885621400901336
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:40:15+00:00",
        "end_time": "2013-09-12T18:16:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej7883.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej7883.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej7883.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7883.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2467223,
            21.54806329,
            -9.885621401,
            -158.2370251,
            21.55582662,
            102.3743786
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.24672225123092,
                  21.548107199209742,
                  -9.885621400901336
                ],
                [
                  -158.24668241475703,
                  21.555826619124566,
                  -9.885621400901336
                ],
                [
                  -158.2370250839079,
                  21.5557826971044,
                  102.37437859909866
                ],
                [
                  -158.23706543013074,
                  21.5480632948075,
                  102.37437859909866
                ],
                [
                  -158.24672225123092,
                  21.548107199209742,
                  -9.885621400901336
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej7883.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7883.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:40:15Z",
            "pc:count": 3079329,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578400.4774,
                "count": 3079329,
                "maximum": 578999.582,
                "minimum": 577999.582,
                "name": "X",
                "position": 0,
                "stddev": 269.9956237,
                "variance": 72897.63679
              },
              {
                "average": 2383334.293,
                "count": 3079329,
                "maximum": 2383852.906,
                "minimum": 2382998.446,
                "name": "Y",
                "position": 1,
                "stddev": 211.6023231,
                "variance": 44775.54313
              },
              {
                "average": 12.05003064,
                "count": 3079329,
                "maximum": 102.3743786,
                "minimum": -9.885621401,
                "name": "Z",
                "position": 2,
                "stddev": 18.38800922,
                "variance": 338.118883
              },
              {
                "average": 19.50148198,
                "count": 3079329,
                "maximum": 1302,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 26.89710123,
                "variance": 723.4540547
              },
              {
                "average": 1.208689945,
                "count": 3079329,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5048096181,
                "variance": 0.2548327505
              },
              {
                "average": 1.411291876,
                "count": 3079329,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7358837143,
                "variance": 0.541524841
              },
              {
                "average": 1,
                "count": 3079329,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3079329,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.516235842,
                "count": 3079329,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.06618683,
                "variance": 101.3281172
              },
              {
                "average": 21.63976633,
                "count": 3079329,
                "maximum": 40.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.992972485,
                "variance": 48.90166417
              },
              {
                "average": 91.74335773,
                "count": 3079329,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.9555295,
                "variance": 4350.131872
              },
              {
                "average": 1.833276016,
                "count": 3079329,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8723441366,
                "variance": 0.7609842926
              },
              {
                "average": 63045237.27,
                "count": 3079329,
                "maximum": 63046415.04,
                "minimum": 63044981.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 274.5484865,
                "variance": 75376.87146
              },
              {
                "average": 0,
                "count": 3079329,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3079329,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3079329,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3079329,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3079329,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              577999.582,
              2382998.446,
              -9.885621401,
              578999.582,
              2383852.906,
              102.3743786
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    577999.5820234986,
                    2382998.4464371996,
                    -9.885621400901336
                  ],
                  [
                    577999.5820234986,
                    2383852.9064371996,
                    -9.885621400901336
                  ],
                  [
                    578999.5820234986,
                    2383852.9064371996,
                    102.37437859909866
                  ],
                  [
                    578999.5820234986,
                    2382998.4464371996,
                    102.37437859909866
                  ],
                  [
                    577999.5820234986,
                    2382998.4464371996,
                    -9.885621400901336
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:40:15+00:00",
            "end_time": "2013-09-12T18:16:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8172.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.21828209810437,
              21.448597084844835,
              -58.525106342746284
            ],
            [
              -158.2182339561407,
              21.457631400379103,
              -58.525106342746284
            ],
            [
              -158.20858315188264,
              21.457586034468626,
              -2.04510634274628
            ],
            [
              -158.208631889453,
              21.448551739224218,
              -2.04510634274628
            ],
            [
              -158.21828209810437,
              21.448597084844835,
              -58.525106342746284
            ]
          ]
        ]
      },
      "bbox": [
        -158.2182821,
        21.44855174,
        -58.52510634,
        -158.2085832,
        21.4576314,
        -2.045106343
      ],
      "properties": {
        "datetime": "2013-09-19T00:44:13Z",
        "pc:count": 3077791,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 581618.0863,
            "count": 3077791,
            "maximum": 581999.6331,
            "minimum": 580999.6331,
            "name": "X",
            "position": 0,
            "stddev": 264.1335922,
            "variance": 69766.55453
          },
          {
            "average": 2372741.229,
            "count": 3077791,
            "maximum": 2372998.459,
            "minimum": 2371998.459,
            "name": "Y",
            "position": 1,
            "stddev": 227.5965992,
            "variance": 51800.21196
          },
          {
            "average": -12.88446081,
            "count": 3077791,
            "maximum": -2.045106343,
            "minimum": -58.52510634,
            "name": "Z",
            "position": 2,
            "stddev": 8.569040401,
            "variance": 73.4284534
          },
          {
            "average": 157.3073578,
            "count": 3077791,
            "maximum": 8979,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 374.9701054,
            "variance": 140602.58
          },
          {
            "average": 1.003870633,
            "count": 3077791,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06282218566,
            "variance": 0.003946627011
          },
          {
            "average": 1.006458853,
            "count": 3077791,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0814345013,
            "variance": 0.006631578002
          },
          {
            "average": 1,
            "count": 3077791,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3077791,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3077791,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.86267151,
            "count": 3077791,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.950306558,
            "variance": 35.40614813
          },
          {
            "average": 128.1383005,
            "count": 3077791,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.88229171,
            "variance": 7900.06178
          },
          {
            "average": 6.600526806,
            "count": 3077791,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.84444328,
            "variance": 14.77974414
          },
          {
            "average": 63146182.6,
            "count": 3077791,
            "maximum": 63586653.96,
            "minimum": 62719695.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 424872.6825,
            "variance": 180516796400.0
          },
          {
            "average": 0,
            "count": 3077791,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3077791,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3077791,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3077791,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3077791,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          580999.6331,
          2371998.459,
          -58.52510634,
          581999.6331,
          2372998.459,
          -2.045106343
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                580999.633145723,
                2371998.45927356,
                -58.525106342746284
              ],
              [
                580999.633145723,
                2372998.45927356,
                -58.525106342746284
              ],
              [
                581999.633145723,
                2372998.45927356,
                -2.04510634274628
              ],
              [
                581999.633145723,
                2371998.45927356,
                -2.04510634274628
              ],
              [
                580999.633145723,
                2371998.45927356,
                -58.525106342746284
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:44:13+00:00",
        "end_time": "2013-09-08T23:54:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8172.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8172.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8172.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8172.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2182821,
            21.44855174,
            -58.52510634,
            -158.2085832,
            21.4576314,
            -2.045106343
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.21828209810437,
                  21.448597084844835,
                  -58.525106342746284
                ],
                [
                  -158.2182339561407,
                  21.457631400379103,
                  -58.525106342746284
                ],
                [
                  -158.20858315188264,
                  21.457586034468626,
                  -2.04510634274628
                ],
                [
                  -158.208631889453,
                  21.448551739224218,
                  -2.04510634274628
                ],
                [
                  -158.21828209810437,
                  21.448597084844835,
                  -58.525106342746284
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8172.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8172.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:44:13Z",
            "pc:count": 3077791,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 581618.0863,
                "count": 3077791,
                "maximum": 581999.6331,
                "minimum": 580999.6331,
                "name": "X",
                "position": 0,
                "stddev": 264.1335922,
                "variance": 69766.55453
              },
              {
                "average": 2372741.229,
                "count": 3077791,
                "maximum": 2372998.459,
                "minimum": 2371998.459,
                "name": "Y",
                "position": 1,
                "stddev": 227.5965992,
                "variance": 51800.21196
              },
              {
                "average": -12.88446081,
                "count": 3077791,
                "maximum": -2.045106343,
                "minimum": -58.52510634,
                "name": "Z",
                "position": 2,
                "stddev": 8.569040401,
                "variance": 73.4284534
              },
              {
                "average": 157.3073578,
                "count": 3077791,
                "maximum": 8979,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 374.9701054,
                "variance": 140602.58
              },
              {
                "average": 1.003870633,
                "count": 3077791,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06282218566,
                "variance": 0.003946627011
              },
              {
                "average": 1.006458853,
                "count": 3077791,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0814345013,
                "variance": 0.006631578002
              },
              {
                "average": 1,
                "count": 3077791,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3077791,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3077791,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.86267151,
                "count": 3077791,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.950306558,
                "variance": 35.40614813
              },
              {
                "average": 128.1383005,
                "count": 3077791,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.88229171,
                "variance": 7900.06178
              },
              {
                "average": 6.600526806,
                "count": 3077791,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.84444328,
                "variance": 14.77974414
              },
              {
                "average": 63146182.6,
                "count": 3077791,
                "maximum": 63586653.96,
                "minimum": 62719695.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 424872.6825,
                "variance": 180516796400.0
              },
              {
                "average": 0,
                "count": 3077791,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3077791,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3077791,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3077791,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3077791,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              580999.6331,
              2371998.459,
              -58.52510634,
              581999.6331,
              2372998.459,
              -2.045106343
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    580999.633145723,
                    2371998.45927356,
                    -58.525106342746284
                  ],
                  [
                    580999.633145723,
                    2372998.45927356,
                    -58.525106342746284
                  ],
                  [
                    581999.633145723,
                    2372998.45927356,
                    -2.04510634274628
                  ],
                  [
                    581999.633145723,
                    2371998.45927356,
                    -2.04510634274628
                  ],
                  [
                    580999.633145723,
                    2371998.45927356,
                    -58.525106342746284
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:44:13+00:00",
            "end_time": "2013-09-08T23:54:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8586.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.17897230563452,
              21.574890648364565,
              -14.720898406921378
            ],
            [
              -158.17892141826155,
              21.58392474023552,
              -14.720898406921378
            ],
            [
              -158.1692620886178,
              21.583876849161346,
              43.59910159307862
            ],
            [
              -158.1693136090055,
              21.574842772788276,
              43.59910159307862
            ],
            [
              -158.17897230563452,
              21.574890648364565,
              -14.720898406921378
            ]
          ]
        ]
      },
      "bbox": [
        -158.1789723,
        21.57484277,
        -14.72089841,
        -158.1692621,
        21.58392474,
        43.59910159
      ],
      "properties": {
        "datetime": "2013-11-04T20:22:47Z",
        "pc:count": 6524007,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 585481.4791,
            "count": 6524007,
            "maximum": 585999.6161,
            "minimum": 584999.5961,
            "name": "X",
            "position": 0,
            "stddev": 290.2679258,
            "variance": 84255.46873
          },
          {
            "average": 2386429.174,
            "count": 6524007,
            "maximum": 2386998.467,
            "minimum": 2385998.467,
            "name": "Y",
            "position": 1,
            "stddev": 254.6936669,
            "variance": 64868.86395
          },
          {
            "average": 5.256801232,
            "count": 6524007,
            "maximum": 43.59910159,
            "minimum": -14.72089841,
            "name": "Z",
            "position": 2,
            "stddev": 7.004238566,
            "variance": 49.05935789
          },
          {
            "average": 15.65392128,
            "count": 6524007,
            "maximum": 8675,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.89088603,
            "variance": 619.5562071
          },
          {
            "average": 1.49305036,
            "count": 6524007,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9335489851,
            "variance": 0.8715137075
          },
          {
            "average": 1.981943306,
            "count": 6524007,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.437220609,
            "variance": 2.06560308
          },
          {
            "average": 1,
            "count": 6524007,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6524007,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.734227753,
            "count": 6524007,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.10373852,
            "variance": 123.2930092
          },
          {
            "average": 18.87250599,
            "count": 6524007,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.813156939,
            "variance": 33.79279359
          },
          {
            "average": 90.9418241,
            "count": 6524007,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.19314371,
            "variance": 4514.918562
          },
          {
            "average": 3.149877368,
            "count": 6524007,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.819647476,
            "variance": 3.311116936
          },
          {
            "average": 63004220.52,
            "count": 6524007,
            "maximum": 67631767.25,
            "minimum": 62866343.77,
            "name": "GpsTime",
            "position": 12,
            "stddev": 744114.1661,
            "variance": 553705892200.0
          },
          {
            "average": 0,
            "count": 6524007,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6524007,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6524007,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6524007,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6524007,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          584999.5961,
          2385998.467,
          -14.72089841,
          585999.6161,
          2386998.467,
          43.59910159
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                584999.5961375961,
                2385998.4668545728,
                -14.720898406921378
              ],
              [
                584999.5961375961,
                2386998.4668545728,
                -14.720898406921378
              ],
              [
                585999.6161375961,
                2386998.4668545728,
                43.59910159307862
              ],
              [
                585999.6161375961,
                2385998.4668545728,
                43.59910159307862
              ],
              [
                584999.5961375961,
                2385998.4668545728,
                -14.720898406921378
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:22:47+00:00",
        "end_time": "2013-09-10T16:39:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8586.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8586.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8586.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8586.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1789723,
            21.57484277,
            -14.72089841,
            -158.1692621,
            21.58392474,
            43.59910159
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.17897230563452,
                  21.574890648364565,
                  -14.720898406921378
                ],
                [
                  -158.17892141826155,
                  21.58392474023552,
                  -14.720898406921378
                ],
                [
                  -158.1692620886178,
                  21.583876849161346,
                  43.59910159307862
                ],
                [
                  -158.1693136090055,
                  21.574842772788276,
                  43.59910159307862
                ],
                [
                  -158.17897230563452,
                  21.574890648364565,
                  -14.720898406921378
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8586.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8586.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:22:47Z",
            "pc:count": 6524007,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 585481.4791,
                "count": 6524007,
                "maximum": 585999.6161,
                "minimum": 584999.5961,
                "name": "X",
                "position": 0,
                "stddev": 290.2679258,
                "variance": 84255.46873
              },
              {
                "average": 2386429.174,
                "count": 6524007,
                "maximum": 2386998.467,
                "minimum": 2385998.467,
                "name": "Y",
                "position": 1,
                "stddev": 254.6936669,
                "variance": 64868.86395
              },
              {
                "average": 5.256801232,
                "count": 6524007,
                "maximum": 43.59910159,
                "minimum": -14.72089841,
                "name": "Z",
                "position": 2,
                "stddev": 7.004238566,
                "variance": 49.05935789
              },
              {
                "average": 15.65392128,
                "count": 6524007,
                "maximum": 8675,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.89088603,
                "variance": 619.5562071
              },
              {
                "average": 1.49305036,
                "count": 6524007,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9335489851,
                "variance": 0.8715137075
              },
              {
                "average": 1.981943306,
                "count": 6524007,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.437220609,
                "variance": 2.06560308
              },
              {
                "average": 1,
                "count": 6524007,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6524007,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.734227753,
                "count": 6524007,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.10373852,
                "variance": 123.2930092
              },
              {
                "average": 18.87250599,
                "count": 6524007,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.813156939,
                "variance": 33.79279359
              },
              {
                "average": 90.9418241,
                "count": 6524007,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.19314371,
                "variance": 4514.918562
              },
              {
                "average": 3.149877368,
                "count": 6524007,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.819647476,
                "variance": 3.311116936
              },
              {
                "average": 63004220.52,
                "count": 6524007,
                "maximum": 67631767.25,
                "minimum": 62866343.77,
                "name": "GpsTime",
                "position": 12,
                "stddev": 744114.1661,
                "variance": 553705892200.0
              },
              {
                "average": 0,
                "count": 6524007,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6524007,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6524007,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6524007,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6524007,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              584999.5961,
              2385998.467,
              -14.72089841,
              585999.6161,
              2386998.467,
              43.59910159
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    584999.5961375961,
                    2385998.4668545728,
                    -14.720898406921378
                  ],
                  [
                    584999.5961375961,
                    2386998.4668545728,
                    -14.720898406921378
                  ],
                  [
                    585999.6161375961,
                    2386998.4668545728,
                    43.59910159307862
                  ],
                  [
                    585999.6161375961,
                    2385998.4668545728,
                    43.59910159307862
                  ],
                  [
                    584999.5961375961,
                    2385998.4668545728,
                    -14.720898406921378
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:22:47+00:00",
            "end_time": "2013-09-10T16:39:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7886.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.24658235354266,
              21.575217940701524,
              -12.56578819028391
            ],
            [
              -158.2465356929412,
              21.584244408629917,
              -12.56578819028391
            ],
            [
              -158.2368764851762,
              21.584200422030296,
              156.41421180971608
            ],
            [
              -158.23692374290783,
              21.575173974538277,
              156.41421180971608
            ],
            [
              -158.24658235354266,
              21.575217940701524,
              -12.56578819028391
            ]
          ]
        ]
      },
      "bbox": [
        -158.2465824,
        21.57517397,
        -12.56578819,
        -158.2368765,
        21.58424441,
        156.4142118
      ],
      "properties": {
        "datetime": "2013-11-04T20:21:15Z",
        "pc:count": 5349124,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578502.3152,
            "count": 5349124,
            "maximum": 578999.5741,
            "minimum": 577999.5741,
            "name": "X",
            "position": 0,
            "stddev": 283.6964503,
            "variance": 80483.67589
          },
          {
            "average": 2386469.804,
            "count": 5349124,
            "maximum": 2386998.469,
            "minimum": 2385999.329,
            "name": "Y",
            "position": 1,
            "stddev": 271.183475,
            "variance": 73540.47714
          },
          {
            "average": 22.56392459,
            "count": 5349124,
            "maximum": 156.4142118,
            "minimum": -12.56578819,
            "name": "Z",
            "position": 2,
            "stddev": 37.22875832,
            "variance": 1385.980446
          },
          {
            "average": 15.17034789,
            "count": 5349124,
            "maximum": 4977,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.98687465,
            "variance": 575.3701552
          },
          {
            "average": 1.131723063,
            "count": 5349124,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4172121964,
            "variance": 0.1740660169
          },
          {
            "average": 1.262140493,
            "count": 5349124,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6259133759,
            "variance": 0.3917675541
          },
          {
            "average": 1,
            "count": 5349124,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5349124,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.06087539,
            "count": 5349124,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.73459415,
            "variance": 188.6390766
          },
          {
            "average": 16.33907132,
            "count": 5349124,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.199358301,
            "variance": 67.22947654
          },
          {
            "average": 90.79010358,
            "count": 5349124,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.02855564,
            "variance": 4359.77016
          },
          {
            "average": 3.853089964,
            "count": 5349124,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.428119337,
            "variance": 5.895763514
          },
          {
            "average": 63275093.31,
            "count": 5349124,
            "maximum": 67631675.23,
            "minimum": 62867254.79,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1267599.891,
            "variance": 1606809483000.0
          },
          {
            "average": 0,
            "count": 5349124,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5349124,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5349124,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5349124,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5349124,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          577999.5741,
          2385999.329,
          -12.56578819,
          578999.5741,
          2386998.469,
          156.4142118
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                577999.5741061057,
                2385999.329104598,
                -12.56578819028391
              ],
              [
                577999.5741061057,
                2386998.469104598,
                -12.56578819028391
              ],
              [
                578999.5741061057,
                2386998.469104598,
                156.41421180971608
              ],
              [
                578999.5741061057,
                2385999.329104598,
                156.41421180971608
              ],
              [
                577999.5741061057,
                2385999.329104598,
                -12.56578819028391
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:21:15+00:00",
        "end_time": "2013-09-10T16:54:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7886.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7886.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7886.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7886.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2465824,
            21.57517397,
            -12.56578819,
            -158.2368765,
            21.58424441,
            156.4142118
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.24658235354266,
                  21.575217940701524,
                  -12.56578819028391
                ],
                [
                  -158.2465356929412,
                  21.584244408629917,
                  -12.56578819028391
                ],
                [
                  -158.2368764851762,
                  21.584200422030296,
                  156.41421180971608
                ],
                [
                  -158.23692374290783,
                  21.575173974538277,
                  156.41421180971608
                ],
                [
                  -158.24658235354266,
                  21.575217940701524,
                  -12.56578819028391
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7886.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7886.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:21:15Z",
            "pc:count": 5349124,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578502.3152,
                "count": 5349124,
                "maximum": 578999.5741,
                "minimum": 577999.5741,
                "name": "X",
                "position": 0,
                "stddev": 283.6964503,
                "variance": 80483.67589
              },
              {
                "average": 2386469.804,
                "count": 5349124,
                "maximum": 2386998.469,
                "minimum": 2385999.329,
                "name": "Y",
                "position": 1,
                "stddev": 271.183475,
                "variance": 73540.47714
              },
              {
                "average": 22.56392459,
                "count": 5349124,
                "maximum": 156.4142118,
                "minimum": -12.56578819,
                "name": "Z",
                "position": 2,
                "stddev": 37.22875832,
                "variance": 1385.980446
              },
              {
                "average": 15.17034789,
                "count": 5349124,
                "maximum": 4977,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.98687465,
                "variance": 575.3701552
              },
              {
                "average": 1.131723063,
                "count": 5349124,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4172121964,
                "variance": 0.1740660169
              },
              {
                "average": 1.262140493,
                "count": 5349124,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6259133759,
                "variance": 0.3917675541
              },
              {
                "average": 1,
                "count": 5349124,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5349124,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.06087539,
                "count": 5349124,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.73459415,
                "variance": 188.6390766
              },
              {
                "average": 16.33907132,
                "count": 5349124,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.199358301,
                "variance": 67.22947654
              },
              {
                "average": 90.79010358,
                "count": 5349124,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.02855564,
                "variance": 4359.77016
              },
              {
                "average": 3.853089964,
                "count": 5349124,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.428119337,
                "variance": 5.895763514
              },
              {
                "average": 63275093.31,
                "count": 5349124,
                "maximum": 67631675.23,
                "minimum": 62867254.79,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1267599.891,
                "variance": 1606809483000.0
              },
              {
                "average": 0,
                "count": 5349124,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5349124,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5349124,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5349124,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5349124,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              577999.5741,
              2385999.329,
              -12.56578819,
              578999.5741,
              2386998.469,
              156.4142118
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    577999.5741061057,
                    2385999.329104598,
                    -12.56578819028391
                  ],
                  [
                    577999.5741061057,
                    2386998.469104598,
                    -12.56578819028391
                  ],
                  [
                    578999.5741061057,
                    2386998.469104598,
                    156.41421180971608
                  ],
                  [
                    578999.5741061057,
                    2385999.329104598,
                    156.41421180971608
                  ],
                  [
                    577999.5741061057,
                    2385999.329104598,
                    -12.56578819028391
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:21:15+00:00",
            "end_time": "2013-09-10T16:54:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8587.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.178921362472,
              21.58392473692745,
              -33.71043332236101
            ],
            [
              -158.1788704375622,
              21.59295881914406,
              -33.71043332236101
            ],
            [
              -158.1692106930584,
              21.592910909170765,
              0.429566677638991
            ],
            [
              -158.16926222601006,
              21.583876846813638,
              0.429566677638991
            ],
            [
              -158.178921362472,
              21.58392473692745,
              -33.71043332236101
            ]
          ]
        ]
      },
      "bbox": [
        -158.1789214,
        21.58387685,
        -33.71043332,
        -158.1692107,
        21.59295882,
        0.4295666776
      ],
      "properties": {
        "datetime": "2013-09-10T17:56:16Z",
        "pc:count": 1924012,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 585467.6504,
            "count": 1924012,
            "maximum": 585999.6019,
            "minimum": 584999.6019,
            "name": "X",
            "position": 0,
            "stddev": 293.1273257,
            "variance": 85923.62906
          },
          {
            "average": 2387355.982,
            "count": 1924012,
            "maximum": 2387998.467,
            "minimum": 2386998.467,
            "name": "Y",
            "position": 1,
            "stddev": 262.3810549,
            "variance": 68843.81796
          },
          {
            "average": -7.325096854,
            "count": 1924012,
            "maximum": 0.4295666776,
            "minimum": -33.71043332,
            "name": "Z",
            "position": 2,
            "stddev": 6.64085417,
            "variance": 44.1009441
          },
          {
            "average": 41.67043969,
            "count": 1924012,
            "maximum": 1694,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 124.9822434,
            "variance": 15620.56118
          },
          {
            "average": 1.069071815,
            "count": 1924012,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2686078179,
            "variance": 0.07215015985
          },
          {
            "average": 1.092374164,
            "count": 1924012,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3181991283,
            "variance": 0.1012506853
          },
          {
            "average": 1,
            "count": 1924012,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1924012,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1924012,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.28676627,
            "count": 1924012,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.303592145,
            "variance": 86.55682679
          },
          {
            "average": 125.0401666,
            "count": 1924012,
            "maximum": 255,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 93.63554048,
            "variance": 8767.61444
          },
          {
            "average": 6.993440789,
            "count": 1924012,
            "maximum": 10,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.413621226,
            "variance": 1.998324969
          },
          {
            "average": 62869484.93,
            "count": 1924012,
            "maximum": 62870976.16,
            "minimum": 62868351.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 763.6774522,
            "variance": 583203.2509
          },
          {
            "average": 0,
            "count": 1924012,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1924012,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1924012,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1924012,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1924012,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          584999.6019,
          2386998.467,
          -33.71043332,
          585999.6019,
          2387998.467,
          0.4295666776
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                584999.6019152217,
                2386998.466518851,
                -33.71043332236101
              ],
              [
                584999.6019152217,
                2387998.466518851,
                -33.71043332236101
              ],
              [
                585999.6019152217,
                2387998.466518851,
                0.429566677638991
              ],
              [
                585999.6019152217,
                2386998.466518851,
                0.429566677638991
              ],
              [
                584999.6019152217,
                2386998.466518851,
                -33.71043332236101
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:56:16+00:00",
        "end_time": "2013-09-10T17:12:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8587.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8587.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8587.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8587.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1789214,
            21.58387685,
            -33.71043332,
            -158.1692107,
            21.59295882,
            0.4295666776
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.178921362472,
                  21.58392473692745,
                  -33.71043332236101
                ],
                [
                  -158.1788704375622,
                  21.59295881914406,
                  -33.71043332236101
                ],
                [
                  -158.1692106930584,
                  21.592910909170765,
                  0.429566677638991
                ],
                [
                  -158.16926222601006,
                  21.583876846813638,
                  0.429566677638991
                ],
                [
                  -158.178921362472,
                  21.58392473692745,
                  -33.71043332236101
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8587.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8587.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:56:16Z",
            "pc:count": 1924012,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 585467.6504,
                "count": 1924012,
                "maximum": 585999.6019,
                "minimum": 584999.6019,
                "name": "X",
                "position": 0,
                "stddev": 293.1273257,
                "variance": 85923.62906
              },
              {
                "average": 2387355.982,
                "count": 1924012,
                "maximum": 2387998.467,
                "minimum": 2386998.467,
                "name": "Y",
                "position": 1,
                "stddev": 262.3810549,
                "variance": 68843.81796
              },
              {
                "average": -7.325096854,
                "count": 1924012,
                "maximum": 0.4295666776,
                "minimum": -33.71043332,
                "name": "Z",
                "position": 2,
                "stddev": 6.64085417,
                "variance": 44.1009441
              },
              {
                "average": 41.67043969,
                "count": 1924012,
                "maximum": 1694,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 124.9822434,
                "variance": 15620.56118
              },
              {
                "average": 1.069071815,
                "count": 1924012,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2686078179,
                "variance": 0.07215015985
              },
              {
                "average": 1.092374164,
                "count": 1924012,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3181991283,
                "variance": 0.1012506853
              },
              {
                "average": 1,
                "count": 1924012,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1924012,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1924012,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.28676627,
                "count": 1924012,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.303592145,
                "variance": 86.55682679
              },
              {
                "average": 125.0401666,
                "count": 1924012,
                "maximum": 255,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 93.63554048,
                "variance": 8767.61444
              },
              {
                "average": 6.993440789,
                "count": 1924012,
                "maximum": 10,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.413621226,
                "variance": 1.998324969
              },
              {
                "average": 62869484.93,
                "count": 1924012,
                "maximum": 62870976.16,
                "minimum": 62868351.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 763.6774522,
                "variance": 583203.2509
              },
              {
                "average": 0,
                "count": 1924012,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1924012,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1924012,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1924012,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1924012,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              584999.6019,
              2386998.467,
              -33.71043332,
              585999.6019,
              2387998.467,
              0.4295666776
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    584999.6019152217,
                    2386998.466518851,
                    -33.71043332236101
                  ],
                  [
                    584999.6019152217,
                    2387998.466518851,
                    -33.71043332236101
                  ],
                  [
                    585999.6019152217,
                    2387998.466518851,
                    0.429566677638991
                  ],
                  [
                    585999.6019152217,
                    2386998.466518851,
                    0.429566677638991
                  ],
                  [
                    584999.6019152217,
                    2386998.466518851,
                    -33.71043332236101
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:56:16+00:00",
            "end_time": "2013-09-10T17:12:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8588.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.17887029284717,
              21.592958873369973,
              -39.139076033789316
            ],
            [
              -158.17886482784778,
              21.59392804915139,
              -39.139076033789316
            ],
            [
              -158.1692052115442,
              21.593880137950855,
              -24.65907603378932
            ],
            [
              -158.16921074153353,
              21.59291096435219,
              -24.65907603378932
            ],
            [
              -158.17887029284717,
              21.592958873369973,
              -39.139076033789316
            ]
          ]
        ]
      },
      "bbox": [
        -158.1788703,
        21.59291096,
        -39.13907603,
        -158.1692052,
        21.59392805,
        -24.65907603
      ],
      "properties": {
        "datetime": "2013-09-10T17:56:16Z",
        "pc:count": 49500,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 585511.7719,
            "count": 49500,
            "maximum": 585999.5969,
            "minimum": 584999.6169,
            "name": "X",
            "position": 0,
            "stddev": 293.2791263,
            "variance": 86012.64595
          },
          {
            "average": 2388053.185,
            "count": 49500,
            "maximum": 2388105.753,
            "minimum": 2387998.473,
            "name": "Y",
            "position": 1,
            "stddev": 26.89912797,
            "variance": 723.5630858
          },
          {
            "average": -31.67109765,
            "count": 49500,
            "maximum": -24.65907603,
            "minimum": -39.13907603,
            "name": "Z",
            "position": 2,
            "stddev": 2.558713882,
            "variance": 6.547016728
          },
          {
            "average": 787.8610909,
            "count": 49500,
            "maximum": 2080,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 391.8018867,
            "variance": 153508.7184
          },
          {
            "average": 1.005777778,
            "count": 49500,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07579255315,
            "variance": 0.005744511112
          },
          {
            "average": 1.006040404,
            "count": 49500,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07748573322,
            "variance": 0.006004038853
          },
          {
            "average": 1,
            "count": 49500,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 49500,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 49500,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.153192728,
            "count": 49500,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.443734798,
            "variance": 19.74677896
          },
          {
            "average": 249.0619798,
            "count": 49500,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.2469166198,
            "variance": 0.06096781712
          },
          {
            "average": 10,
            "count": 49500,
            "maximum": 10,
            "minimum": 10,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62870966.58,
            "count": 49500,
            "maximum": 62870976.04,
            "minimum": 62870957.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.475123318,
            "variance": 20.02672871
          },
          {
            "average": 0,
            "count": 49500,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 49500,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 49500,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 49500,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 49500,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          584999.6169,
          2387998.473,
          -39.13907603,
          585999.5969,
          2388105.753,
          -24.65907603
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                584999.6168644705,
                2387998.472600058,
                -39.139076033789316
              ],
              [
                584999.6168644705,
                2388105.7526000584,
                -39.139076033789316
              ],
              [
                585999.5968644705,
                2388105.7526000584,
                -24.65907603378932
              ],
              [
                585999.5968644705,
                2387998.472600058,
                -24.65907603378932
              ],
              [
                584999.6168644705,
                2387998.472600058,
                -39.139076033789316
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:56:16+00:00",
        "end_time": "2013-09-10T17:55:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8588.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8588.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8588.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8588.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1788703,
            21.59291096,
            -39.13907603,
            -158.1692052,
            21.59392805,
            -24.65907603
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.17887029284717,
                  21.592958873369973,
                  -39.139076033789316
                ],
                [
                  -158.17886482784778,
                  21.59392804915139,
                  -39.139076033789316
                ],
                [
                  -158.1692052115442,
                  21.593880137950855,
                  -24.65907603378932
                ],
                [
                  -158.16921074153353,
                  21.59291096435219,
                  -24.65907603378932
                ],
                [
                  -158.17887029284717,
                  21.592958873369973,
                  -39.139076033789316
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8588.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8588.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:56:16Z",
            "pc:count": 49500,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 585511.7719,
                "count": 49500,
                "maximum": 585999.5969,
                "minimum": 584999.6169,
                "name": "X",
                "position": 0,
                "stddev": 293.2791263,
                "variance": 86012.64595
              },
              {
                "average": 2388053.185,
                "count": 49500,
                "maximum": 2388105.753,
                "minimum": 2387998.473,
                "name": "Y",
                "position": 1,
                "stddev": 26.89912797,
                "variance": 723.5630858
              },
              {
                "average": -31.67109765,
                "count": 49500,
                "maximum": -24.65907603,
                "minimum": -39.13907603,
                "name": "Z",
                "position": 2,
                "stddev": 2.558713882,
                "variance": 6.547016728
              },
              {
                "average": 787.8610909,
                "count": 49500,
                "maximum": 2080,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 391.8018867,
                "variance": 153508.7184
              },
              {
                "average": 1.005777778,
                "count": 49500,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07579255315,
                "variance": 0.005744511112
              },
              {
                "average": 1.006040404,
                "count": 49500,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07748573322,
                "variance": 0.006004038853
              },
              {
                "average": 1,
                "count": 49500,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 49500,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 49500,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.153192728,
                "count": 49500,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.443734798,
                "variance": 19.74677896
              },
              {
                "average": 249.0619798,
                "count": 49500,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.2469166198,
                "variance": 0.06096781712
              },
              {
                "average": 10,
                "count": 49500,
                "maximum": 10,
                "minimum": 10,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62870966.58,
                "count": 49500,
                "maximum": 62870976.04,
                "minimum": 62870957.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.475123318,
                "variance": 20.02672871
              },
              {
                "average": 0,
                "count": 49500,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 49500,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 49500,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 49500,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 49500,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              584999.6169,
              2387998.473,
              -39.13907603,
              585999.5969,
              2388105.753,
              -24.65907603
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    584999.6168644705,
                    2387998.472600058,
                    -39.139076033789316
                  ],
                  [
                    584999.6168644705,
                    2388105.7526000584,
                    -39.139076033789316
                  ],
                  [
                    585999.5968644705,
                    2388105.7526000584,
                    -24.65907603378932
                  ],
                  [
                    585999.5968644705,
                    2387998.472600058,
                    -24.65907603378932
                  ],
                  [
                    584999.6168644705,
                    2387998.472600058,
                    -39.139076033789316
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:56:16+00:00",
            "end_time": "2013-09-10T17:55:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8664.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.16429485959304,
              21.380308673749404,
              -57.06531482377292
            ],
            [
              -158.1642676866744,
              21.385094491769536,
              -57.06531482377292
            ],
            [
              -158.16074269536534,
              21.385076888110316,
              -22.52531482377292
            ],
            [
              -158.1607699827496,
              21.380291074388595,
              -22.52531482377292
            ],
            [
              -158.16429485959304,
              21.380308673749404,
              -57.06531482377292
            ]
          ]
        ]
      },
      "bbox": [
        -158.1642949,
        21.38029107,
        -57.06531482,
        -158.1607427,
        21.38509449,
        -22.52531482
      ],
      "properties": {
        "datetime": "2013-09-18T20:52:58Z",
        "pc:count": 54457,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 586919.8403,
            "count": 54457,
            "maximum": 586999.6493,
            "minimum": 586634.2093,
            "name": "X",
            "position": 0,
            "stddev": 58.63727647,
            "variance": 3438.330192
          },
          {
            "average": 2364858.095,
            "count": 54457,
            "maximum": 2364998.462,
            "minimum": 2364468.722,
            "name": "Y",
            "position": 1,
            "stddev": 100.322772,
            "variance": 10064.65858
          },
          {
            "average": -36.22870521,
            "count": 54457,
            "maximum": -22.52531482,
            "minimum": -57.06531482,
            "name": "Z",
            "position": 2,
            "stddev": 6.838451865,
            "variance": 46.76442391
          },
          {
            "average": 1882.522247,
            "count": 54457,
            "maximum": 8754,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1250.750059,
            "variance": 1564375.711
          },
          {
            "average": 1.000330536,
            "count": 54457,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01817781156,
            "variance": 0.000330432833
          },
          {
            "average": 1.000348899,
            "count": 54457,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01867575448,
            "variance": 0.0003487838056
          },
          {
            "average": 1,
            "count": 54457,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 54457,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 54457,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.565618524,
            "count": 54457,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.088474691,
            "variance": 82.60037221
          },
          {
            "average": 248.7259856,
            "count": 54457,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 6.772406561,
            "variance": 45.86549063
          },
          {
            "average": 4.036193694,
            "count": 54457,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.01710777,
            "variance": 9.102939295
          },
          {
            "average": 63384878.13,
            "count": 54457,
            "maximum": 63572778.83,
            "minimum": 62721389,
            "name": "GpsTime",
            "position": 12,
            "stddev": 352683.0143,
            "variance": 124385308600.0
          },
          {
            "average": 0,
            "count": 54457,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 54457,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 54457,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 54457,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 54457,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          586634.2093,
          2364468.722,
          -57.06531482,
          586999.6493,
          2364998.462,
          -22.52531482
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                586634.2093225553,
                2364468.7223139815,
                -57.06531482377292
              ],
              [
                586634.2093225553,
                2364998.4623139817,
                -57.06531482377292
              ],
              [
                586999.6493225553,
                2364998.4623139817,
                -22.52531482377292
              ],
              [
                586999.6493225553,
                2364468.7223139815,
                -22.52531482377292
              ],
              [
                586634.2093225553,
                2364468.7223139815,
                -57.06531482377292
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:52:58+00:00",
        "end_time": "2013-09-09T00:23:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8664.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8664.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8664.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8664.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1642949,
            21.38029107,
            -57.06531482,
            -158.1607427,
            21.38509449,
            -22.52531482
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.16429485959304,
                  21.380308673749404,
                  -57.06531482377292
                ],
                [
                  -158.1642676866744,
                  21.385094491769536,
                  -57.06531482377292
                ],
                [
                  -158.16074269536534,
                  21.385076888110316,
                  -22.52531482377292
                ],
                [
                  -158.1607699827496,
                  21.380291074388595,
                  -22.52531482377292
                ],
                [
                  -158.16429485959304,
                  21.380308673749404,
                  -57.06531482377292
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8664.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8664.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:52:58Z",
            "pc:count": 54457,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 586919.8403,
                "count": 54457,
                "maximum": 586999.6493,
                "minimum": 586634.2093,
                "name": "X",
                "position": 0,
                "stddev": 58.63727647,
                "variance": 3438.330192
              },
              {
                "average": 2364858.095,
                "count": 54457,
                "maximum": 2364998.462,
                "minimum": 2364468.722,
                "name": "Y",
                "position": 1,
                "stddev": 100.322772,
                "variance": 10064.65858
              },
              {
                "average": -36.22870521,
                "count": 54457,
                "maximum": -22.52531482,
                "minimum": -57.06531482,
                "name": "Z",
                "position": 2,
                "stddev": 6.838451865,
                "variance": 46.76442391
              },
              {
                "average": 1882.522247,
                "count": 54457,
                "maximum": 8754,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1250.750059,
                "variance": 1564375.711
              },
              {
                "average": 1.000330536,
                "count": 54457,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01817781156,
                "variance": 0.000330432833
              },
              {
                "average": 1.000348899,
                "count": 54457,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01867575448,
                "variance": 0.0003487838056
              },
              {
                "average": 1,
                "count": 54457,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 54457,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 54457,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.565618524,
                "count": 54457,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.088474691,
                "variance": 82.60037221
              },
              {
                "average": 248.7259856,
                "count": 54457,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 6.772406561,
                "variance": 45.86549063
              },
              {
                "average": 4.036193694,
                "count": 54457,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.01710777,
                "variance": 9.102939295
              },
              {
                "average": 63384878.13,
                "count": 54457,
                "maximum": 63572778.83,
                "minimum": 62721389,
                "name": "GpsTime",
                "position": 12,
                "stddev": 352683.0143,
                "variance": 124385308600.0
              },
              {
                "average": 0,
                "count": 54457,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 54457,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 54457,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 54457,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 54457,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              586634.2093,
              2364468.722,
              -57.06531482,
              586999.6493,
              2364998.462,
              -22.52531482
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    586634.2093225553,
                    2364468.7223139815,
                    -57.06531482377292
                  ],
                  [
                    586634.2093225553,
                    2364998.4623139817,
                    -57.06531482377292
                  ],
                  [
                    586999.6493225553,
                    2364998.4623139817,
                    -22.52531482377292
                  ],
                  [
                    586999.6493225553,
                    2364468.7223139815,
                    -22.52531482377292
                  ],
                  [
                    586634.2093225553,
                    2364468.7223139815,
                    -57.06531482377292
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:52:58+00:00",
            "end_time": "2013-09-09T00:23:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7887.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2465357877415,
              21.58424431109273,
              -26.32360698955524
            ],
            [
              -158.24650397284506,
              21.590395718139405,
              -26.32360698955524
            ],
            [
              -158.23684435774675,
              21.590351717656972,
              -6.72360698955524
            ],
            [
              -158.23687657998278,
              21.584200324498788,
              -6.72360698955524
            ],
            [
              -158.2465357877415,
              21.58424431109273,
              -26.32360698955524
            ]
          ]
        ]
      },
      "bbox": [
        -158.2465358,
        21.58420032,
        -26.32360699,
        -158.2368444,
        21.59039572,
        -6.72360699
      ],
      "properties": {
        "datetime": "2013-09-10T17:47:53Z",
        "pc:count": 1494793,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 578529.4106,
            "count": 1494793,
            "maximum": 578999.5643,
            "minimum": 577999.5643,
            "name": "X",
            "position": 0,
            "stddev": 287.6957559,
            "variance": 82768.84794
          },
          {
            "average": 2387220.82,
            "count": 1494793,
            "maximum": 2387679.358,
            "minimum": 2386998.458,
            "name": "Y",
            "position": 1,
            "stddev": 165.752486,
            "variance": 27473.88663
          },
          {
            "average": -12.42877274,
            "count": 1494793,
            "maximum": -6.72360699,
            "minimum": -26.32360699,
            "name": "Z",
            "position": 2,
            "stddev": 3.891008615,
            "variance": 15.13994804
          },
          {
            "average": 53.87013252,
            "count": 1494793,
            "maximum": 861,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 107.6107622,
            "variance": 11580.07614
          },
          {
            "average": 1.008183073,
            "count": 1494793,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0910644211,
            "variance": 0.00829272879
          },
          {
            "average": 1.013728991,
            "count": 1494793,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1184548577,
            "variance": 0.01403155331
          },
          {
            "average": 1,
            "count": 1494793,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1494793,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1494793,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.23553826,
            "count": 1494793,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.939460811,
            "variance": 48.15611635
          },
          {
            "average": 115.3229792,
            "count": 1494793,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 84.84499819,
            "variance": 7198.673717
          },
          {
            "average": 7.459443548,
            "count": 1494793,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9232510805,
            "variance": 0.8523925576
          },
          {
            "average": 62869736.47,
            "count": 1494793,
            "maximum": 62870473.53,
            "minimum": 62869014.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 468.1642927,
            "variance": 219177.8049
          },
          {
            "average": 0,
            "count": 1494793,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1494793,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1494793,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1494793,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1494793,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          577999.5643,
          2386998.458,
          -26.32360699,
          578999.5643,
          2387679.358,
          -6.72360699
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                577999.5643440618,
                2386998.45826097,
                -26.32360698955524
              ],
              [
                577999.5643440618,
                2387679.3582609706,
                -26.32360698955524
              ],
              [
                578999.5643440618,
                2387679.3582609706,
                -6.72360698955524
              ],
              [
                578999.5643440618,
                2386998.45826097,
                -6.72360698955524
              ],
              [
                577999.5643440618,
                2386998.45826097,
                -26.32360698955524
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:47:53+00:00",
        "end_time": "2013-09-10T17:23:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7887.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7887.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7887.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7887.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2465358,
            21.58420032,
            -26.32360699,
            -158.2368444,
            21.59039572,
            -6.72360699
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2465357877415,
                  21.58424431109273,
                  -26.32360698955524
                ],
                [
                  -158.24650397284506,
                  21.590395718139405,
                  -26.32360698955524
                ],
                [
                  -158.23684435774675,
                  21.590351717656972,
                  -6.72360698955524
                ],
                [
                  -158.23687657998278,
                  21.584200324498788,
                  -6.72360698955524
                ],
                [
                  -158.2465357877415,
                  21.58424431109273,
                  -26.32360698955524
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7887.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7887.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:47:53Z",
            "pc:count": 1494793,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 578529.4106,
                "count": 1494793,
                "maximum": 578999.5643,
                "minimum": 577999.5643,
                "name": "X",
                "position": 0,
                "stddev": 287.6957559,
                "variance": 82768.84794
              },
              {
                "average": 2387220.82,
                "count": 1494793,
                "maximum": 2387679.358,
                "minimum": 2386998.458,
                "name": "Y",
                "position": 1,
                "stddev": 165.752486,
                "variance": 27473.88663
              },
              {
                "average": -12.42877274,
                "count": 1494793,
                "maximum": -6.72360699,
                "minimum": -26.32360699,
                "name": "Z",
                "position": 2,
                "stddev": 3.891008615,
                "variance": 15.13994804
              },
              {
                "average": 53.87013252,
                "count": 1494793,
                "maximum": 861,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 107.6107622,
                "variance": 11580.07614
              },
              {
                "average": 1.008183073,
                "count": 1494793,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0910644211,
                "variance": 0.00829272879
              },
              {
                "average": 1.013728991,
                "count": 1494793,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1184548577,
                "variance": 0.01403155331
              },
              {
                "average": 1,
                "count": 1494793,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1494793,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1494793,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.23553826,
                "count": 1494793,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.939460811,
                "variance": 48.15611635
              },
              {
                "average": 115.3229792,
                "count": 1494793,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 84.84499819,
                "variance": 7198.673717
              },
              {
                "average": 7.459443548,
                "count": 1494793,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9232510805,
                "variance": 0.8523925576
              },
              {
                "average": 62869736.47,
                "count": 1494793,
                "maximum": 62870473.53,
                "minimum": 62869014.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 468.1642927,
                "variance": 219177.8049
              },
              {
                "average": 0,
                "count": 1494793,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1494793,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1494793,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1494793,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1494793,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              577999.5643,
              2386998.458,
              -26.32360699,
              578999.5643,
              2387679.358,
              -6.72360699
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    577999.5643440618,
                    2386998.45826097,
                    -26.32360698955524
                  ],
                  [
                    577999.5643440618,
                    2387679.3582609706,
                    -26.32360698955524
                  ],
                  [
                    578999.5643440618,
                    2387679.3582609706,
                    -6.72360698955524
                  ],
                  [
                    578999.5643440618,
                    2386998.45826097,
                    -6.72360698955524
                  ],
                  [
                    577999.5643440618,
                    2386998.45826097,
                    -26.32360698955524
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:47:53+00:00",
            "end_time": "2013-09-10T17:23:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7973.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2304364022483,
              21.46236152766276,
              -57.87332834887068
            ],
            [
              -158.2304135173358,
              21.466722216402985,
              -57.87332834887068
            ],
            [
              -158.22783754471558,
              21.466710347241893,
              -34.07332834887068
            ],
            [
              -158.2278605060814,
              21.462349661222177,
              -34.07332834887068
            ],
            [
              -158.2304364022483,
              21.46236152766276,
              -57.87332834887068
            ]
          ]
        ]
      },
      "bbox": [
        -158.2304364,
        21.46234966,
        -57.87332835,
        -158.2278375,
        21.46672222,
        -34.07332835
      ],
      "properties": {
        "datetime": "2013-09-19T00:43:46Z",
        "pc:count": 40242,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579899.4182,
            "count": 40242,
            "maximum": 579999.6081,
            "minimum": 579732.7081,
            "name": "X",
            "position": 0,
            "stddev": 65.54170463,
            "variance": 4295.715046
          },
          {
            "average": 2373882.276,
            "count": 40242,
            "maximum": 2373998.443,
            "minimum": 2373515.763,
            "name": "Y",
            "position": 1,
            "stddev": 88.51445044,
            "variance": 7834.807937
          },
          {
            "average": -46.89676903,
            "count": 40242,
            "maximum": -34.07332835,
            "minimum": -57.87332835,
            "name": "Z",
            "position": 2,
            "stddev": 5.204576564,
            "variance": 27.08761721
          },
          {
            "average": 3170.398738,
            "count": 40242,
            "maximum": 8997,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 2058.870791,
            "variance": 4238948.934
          },
          {
            "average": 1.001018836,
            "count": 40242,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0319033432,
            "variance": 0.001017823308
          },
          {
            "average": 1.001043686,
            "count": 40242,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0322896629,
            "variance": 0.00104262233
          },
          {
            "average": 1,
            "count": 40242,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 40242,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 40242,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.575582077,
            "count": 40242,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.547233502,
            "variance": 73.05520053
          },
          {
            "average": 249.0125491,
            "count": 40242,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1119866435,
            "variance": 0.01254100831
          },
          {
            "average": 4.54306446,
            "count": 40242,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.640179941,
            "variance": 13.25091
          },
          {
            "average": 63377474.32,
            "count": 40242,
            "maximum": 63586626.38,
            "minimum": 62894676.01,
            "name": "GpsTime",
            "position": 12,
            "stddev": 317570.3759,
            "variance": 100850943600.0
          },
          {
            "average": 0,
            "count": 40242,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 40242,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 40242,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 40242,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 40242,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579732.7081,
          2373515.763,
          -57.87332835,
          579999.6081,
          2373998.443,
          -34.07332835
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579732.7081197381,
                2373515.7628087737,
                -57.87332834887068
              ],
              [
                579732.7081197381,
                2373998.4428087734,
                -57.87332834887068
              ],
              [
                579999.608119738,
                2373998.4428087734,
                -34.07332834887068
              ],
              [
                579999.608119738,
                2373515.7628087737,
                -34.07332834887068
              ],
              [
                579732.7081197381,
                2373515.7628087737,
                -57.87332834887068
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:43:46+00:00",
        "end_time": "2013-09-11T00:31:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7973.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7973.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7973.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7973.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2304364,
            21.46234966,
            -57.87332835,
            -158.2278375,
            21.46672222,
            -34.07332835
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2304364022483,
                  21.46236152766276,
                  -57.87332834887068
                ],
                [
                  -158.2304135173358,
                  21.466722216402985,
                  -57.87332834887068
                ],
                [
                  -158.22783754471558,
                  21.466710347241893,
                  -34.07332834887068
                ],
                [
                  -158.2278605060814,
                  21.462349661222177,
                  -34.07332834887068
                ],
                [
                  -158.2304364022483,
                  21.46236152766276,
                  -57.87332834887068
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7973.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7973.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:43:46Z",
            "pc:count": 40242,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579899.4182,
                "count": 40242,
                "maximum": 579999.6081,
                "minimum": 579732.7081,
                "name": "X",
                "position": 0,
                "stddev": 65.54170463,
                "variance": 4295.715046
              },
              {
                "average": 2373882.276,
                "count": 40242,
                "maximum": 2373998.443,
                "minimum": 2373515.763,
                "name": "Y",
                "position": 1,
                "stddev": 88.51445044,
                "variance": 7834.807937
              },
              {
                "average": -46.89676903,
                "count": 40242,
                "maximum": -34.07332835,
                "minimum": -57.87332835,
                "name": "Z",
                "position": 2,
                "stddev": 5.204576564,
                "variance": 27.08761721
              },
              {
                "average": 3170.398738,
                "count": 40242,
                "maximum": 8997,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 2058.870791,
                "variance": 4238948.934
              },
              {
                "average": 1.001018836,
                "count": 40242,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0319033432,
                "variance": 0.001017823308
              },
              {
                "average": 1.001043686,
                "count": 40242,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0322896629,
                "variance": 0.00104262233
              },
              {
                "average": 1,
                "count": 40242,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 40242,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 40242,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.575582077,
                "count": 40242,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.547233502,
                "variance": 73.05520053
              },
              {
                "average": 249.0125491,
                "count": 40242,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1119866435,
                "variance": 0.01254100831
              },
              {
                "average": 4.54306446,
                "count": 40242,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.640179941,
                "variance": 13.25091
              },
              {
                "average": 63377474.32,
                "count": 40242,
                "maximum": 63586626.38,
                "minimum": 62894676.01,
                "name": "GpsTime",
                "position": 12,
                "stddev": 317570.3759,
                "variance": 100850943600.0
              },
              {
                "average": 0,
                "count": 40242,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 40242,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 40242,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 40242,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 40242,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579732.7081,
              2373515.763,
              -57.87332835,
              579999.6081,
              2373998.443,
              -34.07332835
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579732.7081197381,
                    2373515.7628087737,
                    -57.87332834887068
                  ],
                  [
                    579732.7081197381,
                    2373998.4428087734,
                    -57.87332834887068
                  ],
                  [
                    579999.608119738,
                    2373998.4428087734,
                    -34.07332834887068
                  ],
                  [
                    579999.608119738,
                    2373515.7628087737,
                    -34.07332834887068
                  ],
                  [
                    579732.7081197381,
                    2373515.7628087737,
                    -57.87332834887068
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:43:46+00:00",
            "end_time": "2013-09-11T00:31:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej7974.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.23748885051987,
              21.46675467275324,
              -59.49915624080266
            ],
            [
              -158.23744187297345,
              21.475789001749487,
              -59.49915624080266
            ],
            [
              -158.2277898294891,
              21.47574470943735,
              -8.23915624080266
            ],
            [
              -158.2278373918234,
              21.4667104054368,
              -8.23915624080266
            ],
            [
              -158.23748885051987,
              21.46675467275324,
              -59.49915624080266
            ]
          ]
        ]
      },
      "bbox": [
        -158.2374889,
        21.46671041,
        -59.49915624,
        -158.2277898,
        21.475789,
        -8.239156241
      ],
      "properties": {
        "datetime": "2013-09-19T00:43:40Z",
        "pc:count": 896846,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579693.6509,
            "count": 896846,
            "maximum": 579999.6239,
            "minimum": 578999.6239,
            "name": "X",
            "position": 0,
            "stddev": 240.7381038,
            "variance": 57954.83463
          },
          {
            "average": 2374701.954,
            "count": 896846,
            "maximum": 2374998.449,
            "minimum": 2373998.449,
            "name": "Y",
            "position": 1,
            "stddev": 243.0471196,
            "variance": 59071.90237
          },
          {
            "average": -30.68313055,
            "count": 896846,
            "maximum": -8.239156241,
            "minimum": -59.49915624,
            "name": "Z",
            "position": 2,
            "stddev": 9.928008103,
            "variance": 98.56534489
          },
          {
            "average": 1120.108594,
            "count": 896846,
            "maximum": 9000,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1391.113404,
            "variance": 1935196.502
          },
          {
            "average": 1.046298919,
            "count": 896846,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2106088355,
            "variance": 0.0443560816
          },
          {
            "average": 1.04667691,
            "count": 896846,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2115055788,
            "variance": 0.04473460988
          },
          {
            "average": 1,
            "count": 896846,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 896846,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 896846,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.986211752,
            "count": 896846,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.22456835,
            "variance": 85.09266124
          },
          {
            "average": 238.1360523,
            "count": 896846,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 44.28411012,
            "variance": 1961.082409
          },
          {
            "average": 4.341052979,
            "count": 896846,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.36570004,
            "variance": 11.32793676
          },
          {
            "average": 63274980.29,
            "count": 896846,
            "maximum": 63586620.31,
            "minimum": 62722339.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 327437.374,
            "variance": 107215233900.0
          },
          {
            "average": 0,
            "count": 896846,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 896846,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 896846,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 896846,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 896846,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.6239,
          2373998.449,
          -59.49915624,
          579999.6239,
          2374998.449,
          -8.239156241
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.6239289683,
                2373998.449328261,
                -59.49915624080266
              ],
              [
                578999.6239289683,
                2374998.449328261,
                -59.49915624080266
              ],
              [
                579999.6239289683,
                2374998.449328261,
                -8.23915624080266
              ],
              [
                579999.6239289683,
                2373998.449328261,
                -8.23915624080266
              ],
              [
                578999.6239289683,
                2373998.449328261,
                -59.49915624080266
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:43:40+00:00",
        "end_time": "2013-09-09T00:38:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej7974.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej7974.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej7974.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej7974.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2374889,
            21.46671041,
            -59.49915624,
            -158.2277898,
            21.475789,
            -8.239156241
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.23748885051987,
                  21.46675467275324,
                  -59.49915624080266
                ],
                [
                  -158.23744187297345,
                  21.475789001749487,
                  -59.49915624080266
                ],
                [
                  -158.2277898294891,
                  21.47574470943735,
                  -8.23915624080266
                ],
                [
                  -158.2278373918234,
                  21.4667104054368,
                  -8.23915624080266
                ],
                [
                  -158.23748885051987,
                  21.46675467275324,
                  -59.49915624080266
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej7974.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej7974.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:43:40Z",
            "pc:count": 896846,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579693.6509,
                "count": 896846,
                "maximum": 579999.6239,
                "minimum": 578999.6239,
                "name": "X",
                "position": 0,
                "stddev": 240.7381038,
                "variance": 57954.83463
              },
              {
                "average": 2374701.954,
                "count": 896846,
                "maximum": 2374998.449,
                "minimum": 2373998.449,
                "name": "Y",
                "position": 1,
                "stddev": 243.0471196,
                "variance": 59071.90237
              },
              {
                "average": -30.68313055,
                "count": 896846,
                "maximum": -8.239156241,
                "minimum": -59.49915624,
                "name": "Z",
                "position": 2,
                "stddev": 9.928008103,
                "variance": 98.56534489
              },
              {
                "average": 1120.108594,
                "count": 896846,
                "maximum": 9000,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1391.113404,
                "variance": 1935196.502
              },
              {
                "average": 1.046298919,
                "count": 896846,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2106088355,
                "variance": 0.0443560816
              },
              {
                "average": 1.04667691,
                "count": 896846,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2115055788,
                "variance": 0.04473460988
              },
              {
                "average": 1,
                "count": 896846,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 896846,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 896846,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.986211752,
                "count": 896846,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.22456835,
                "variance": 85.09266124
              },
              {
                "average": 238.1360523,
                "count": 896846,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 44.28411012,
                "variance": 1961.082409
              },
              {
                "average": 4.341052979,
                "count": 896846,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.36570004,
                "variance": 11.32793676
              },
              {
                "average": 63274980.29,
                "count": 896846,
                "maximum": 63586620.31,
                "minimum": 62722339.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 327437.374,
                "variance": 107215233900.0
              },
              {
                "average": 0,
                "count": 896846,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 896846,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 896846,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 896846,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 896846,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.6239,
              2373998.449,
              -59.49915624,
              579999.6239,
              2374998.449,
              -8.239156241
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.6239289683,
                    2373998.449328261,
                    -59.49915624080266
                  ],
                  [
                    578999.6239289683,
                    2374998.449328261,
                    -59.49915624080266
                  ],
                  [
                    579999.6239289683,
                    2374998.449328261,
                    -8.23915624080266
                  ],
                  [
                    579999.6239289683,
                    2373998.449328261,
                    -8.23915624080266
                  ],
                  [
                    578999.6239289683,
                    2373998.449328261,
                    -59.49915624080266
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:43:40+00:00",
            "end_time": "2013-09-09T00:38:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8173.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.21823396235257,
              21.457631352812825,
              -17.557574205587272
            ],
            [
              -158.21818580503927,
              21.46666565440211,
              -17.557574205587272
            ],
            [
              -158.20853440600035,
              21.466620267635005,
              72.12242579441273
            ],
            [
              -158.20858315809764,
              21.45758598690281,
              72.12242579441273
            ],
            [
              -158.21823396235257,
              21.457631352812825,
              -17.557574205587272
            ]
          ]
        ]
      },
      "bbox": [
        -158.218234,
        21.45758599,
        -17.55757421,
        -158.2085344,
        21.46666565,
        72.12242579
      ],
      "properties": {
        "datetime": "2013-09-18T21:12:19Z",
        "pc:count": 11873073,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 581537.6646,
            "count": 11873073,
            "maximum": 581999.6325,
            "minimum": 580999.6325,
            "name": "X",
            "position": 0,
            "stddev": 266.9592732,
            "variance": 71267.25356
          },
          {
            "average": 2373533.343,
            "count": 11873073,
            "maximum": 2373998.454,
            "minimum": 2372998.454,
            "name": "Y",
            "position": 1,
            "stddev": 286.8618495,
            "variance": 82289.72072
          },
          {
            "average": 3.567973655,
            "count": 11873073,
            "maximum": 72.12242579,
            "minimum": -17.55757421,
            "name": "Z",
            "position": 2,
            "stddev": 9.086180093,
            "variance": 82.55866868
          },
          {
            "average": 17.04159412,
            "count": 11873073,
            "maximum": 8856,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 44.20629653,
            "variance": 1954.196653
          },
          {
            "average": 1.344846275,
            "count": 11873073,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7684390228,
            "variance": 0.5904985317
          },
          {
            "average": 1.688597131,
            "count": 11873073,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.179243414,
            "variance": 1.390615029
          },
          {
            "average": 1,
            "count": 11873073,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11873073,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.13272065,
            "count": 11873073,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.80932335,
            "variance": 190.6974115
          },
          {
            "average": 20.44759427,
            "count": 11873073,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.753580406,
            "variance": 14.08936587
          },
          {
            "average": 90.08240731,
            "count": 11873073,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.41770749,
            "variance": 4545.147283
          },
          {
            "average": 5.88621463,
            "count": 11873073,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.039639142,
            "variance": 9.239406113
          },
          {
            "average": 63001874.78,
            "count": 11873073,
            "maximum": 63573939.06,
            "minimum": 62718112.33,
            "name": "GpsTime",
            "position": 12,
            "stddev": 371936.6995,
            "variance": 138336908400.0
          },
          {
            "average": 0,
            "count": 11873073,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11873073,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11873073,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11873073,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11873073,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          580999.6325,
          2372998.454,
          -17.55757421,
          581999.6325,
          2373998.454,
          72.12242579
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                580999.6325283402,
                2372998.454005408,
                -17.557574205587272
              ],
              [
                580999.6325283402,
                2373998.454005408,
                -17.557574205587272
              ],
              [
                581999.6325283402,
                2373998.454005408,
                72.12242579441273
              ],
              [
                581999.6325283402,
                2372998.454005408,
                72.12242579441273
              ],
              [
                580999.6325283402,
                2372998.454005408,
                -17.557574205587272
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:12:19+00:00",
        "end_time": "2013-09-08T23:28:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8173.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8173.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8173.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8173.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.218234,
            21.45758599,
            -17.55757421,
            -158.2085344,
            21.46666565,
            72.12242579
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.21823396235257,
                  21.457631352812825,
                  -17.557574205587272
                ],
                [
                  -158.21818580503927,
                  21.46666565440211,
                  -17.557574205587272
                ],
                [
                  -158.20853440600035,
                  21.466620267635005,
                  72.12242579441273
                ],
                [
                  -158.20858315809764,
                  21.45758598690281,
                  72.12242579441273
                ],
                [
                  -158.21823396235257,
                  21.457631352812825,
                  -17.557574205587272
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8173.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8173.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:12:19Z",
            "pc:count": 11873073,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 581537.6646,
                "count": 11873073,
                "maximum": 581999.6325,
                "minimum": 580999.6325,
                "name": "X",
                "position": 0,
                "stddev": 266.9592732,
                "variance": 71267.25356
              },
              {
                "average": 2373533.343,
                "count": 11873073,
                "maximum": 2373998.454,
                "minimum": 2372998.454,
                "name": "Y",
                "position": 1,
                "stddev": 286.8618495,
                "variance": 82289.72072
              },
              {
                "average": 3.567973655,
                "count": 11873073,
                "maximum": 72.12242579,
                "minimum": -17.55757421,
                "name": "Z",
                "position": 2,
                "stddev": 9.086180093,
                "variance": 82.55866868
              },
              {
                "average": 17.04159412,
                "count": 11873073,
                "maximum": 8856,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 44.20629653,
                "variance": 1954.196653
              },
              {
                "average": 1.344846275,
                "count": 11873073,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7684390228,
                "variance": 0.5904985317
              },
              {
                "average": 1.688597131,
                "count": 11873073,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.179243414,
                "variance": 1.390615029
              },
              {
                "average": 1,
                "count": 11873073,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11873073,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.13272065,
                "count": 11873073,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.80932335,
                "variance": 190.6974115
              },
              {
                "average": 20.44759427,
                "count": 11873073,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.753580406,
                "variance": 14.08936587
              },
              {
                "average": 90.08240731,
                "count": 11873073,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.41770749,
                "variance": 4545.147283
              },
              {
                "average": 5.88621463,
                "count": 11873073,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.039639142,
                "variance": 9.239406113
              },
              {
                "average": 63001874.78,
                "count": 11873073,
                "maximum": 63573939.06,
                "minimum": 62718112.33,
                "name": "GpsTime",
                "position": 12,
                "stddev": 371936.6995,
                "variance": 138336908400.0
              },
              {
                "average": 0,
                "count": 11873073,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11873073,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11873073,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11873073,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11873073,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              580999.6325,
              2372998.454,
              -17.55757421,
              581999.6325,
              2373998.454,
              72.12242579
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    580999.6325283402,
                    2372998.454005408,
                    -17.557574205587272
                  ],
                  [
                    580999.6325283402,
                    2373998.454005408,
                    -17.557574205587272
                  ],
                  [
                    581999.6325283402,
                    2373998.454005408,
                    72.12242579441273
                  ],
                  [
                    581999.6325283402,
                    2372998.454005408,
                    72.12242579441273
                  ],
                  [
                    580999.6325283402,
                    2372998.454005408,
                    -17.557574205587272
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:12:19+00:00",
            "end_time": "2013-09-08T23:28:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8665.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.17038871071958,
              21.385124811820173,
              -58.84213874138746
            ],
            [
              -158.17033776692972,
              21.39415927779471,
              -58.84213874138746
            ],
            [
              -158.1606910925622,
              21.394111258596528,
              0.257861258612543
            ],
            [
              -158.1607426276118,
              21.385076814767405,
              0.257861258612543
            ],
            [
              -158.17038871071958,
              21.385124811820173,
              -58.84213874138746
            ]
          ]
        ]
      },
      "bbox": [
        -158.1703887,
        21.38507681,
        -58.84213874,
        -158.1606911,
        21.39415928,
        0.2578612586
      ],
      "properties": {
        "datetime": "2013-09-18T21:14:36Z",
        "pc:count": 4143237,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 586560.6338,
            "count": 4143237,
            "maximum": 586999.6564,
            "minimum": 585999.6364,
            "name": "X",
            "position": 0,
            "stddev": 283.7370673,
            "variance": 80506.72334
          },
          {
            "average": 2365687.493,
            "count": 4143237,
            "maximum": 2365998.474,
            "minimum": 2364998.454,
            "name": "Y",
            "position": 1,
            "stddev": 216.5000078,
            "variance": 46872.25336
          },
          {
            "average": -11.47863059,
            "count": 4143237,
            "maximum": 0.2578612586,
            "minimum": -58.84213874,
            "name": "Z",
            "position": 2,
            "stddev": 6.190181855,
            "variance": 38.3183514
          },
          {
            "average": 104.957575,
            "count": 4143237,
            "maximum": 8791,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 344.2918491,
            "variance": 118536.8773
          },
          {
            "average": 1.002724923,
            "count": 4143237,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05250790994,
            "variance": 0.002757080607
          },
          {
            "average": 1.004603406,
            "count": 4143237,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.06836968429,
            "variance": 0.00467441373
          },
          {
            "average": 1,
            "count": 4143237,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4143237,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4143237,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.40843352,
            "count": 4143237,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.781855012,
            "variance": 33.42984738
          },
          {
            "average": 113.8744822,
            "count": 4143237,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 85.52332363,
            "variance": 7314.238885
          },
          {
            "average": 6.443812893,
            "count": 4143237,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.179412619,
            "variance": 10.1086646
          },
          {
            "average": 62998262.06,
            "count": 4143237,
            "maximum": 63574076.05,
            "minimum": 62718254.63,
            "name": "GpsTime",
            "position": 12,
            "stddev": 382812.3204,
            "variance": 146545272700.0
          },
          {
            "average": 0,
            "count": 4143237,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4143237,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4143237,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4143237,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4143237,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          585999.6364,
          2364998.454,
          -58.84213874,
          586999.6564,
          2365998.474,
          0.2578612586
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                585999.636389807,
                2364998.4542334415,
                -58.84213874138746
              ],
              [
                585999.636389807,
                2365998.474233441,
                -58.84213874138746
              ],
              [
                586999.656389807,
                2365998.474233441,
                0.257861258612543
              ],
              [
                586999.656389807,
                2364998.4542334415,
                0.257861258612543
              ],
              [
                585999.636389807,
                2364998.4542334415,
                -58.84213874138746
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:14:36+00:00",
        "end_time": "2013-09-08T23:30:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8665.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8665.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8665.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8665.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1703887,
            21.38507681,
            -58.84213874,
            -158.1606911,
            21.39415928,
            0.2578612586
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.17038871071958,
                  21.385124811820173,
                  -58.84213874138746
                ],
                [
                  -158.17033776692972,
                  21.39415927779471,
                  -58.84213874138746
                ],
                [
                  -158.1606910925622,
                  21.394111258596528,
                  0.257861258612543
                ],
                [
                  -158.1607426276118,
                  21.385076814767405,
                  0.257861258612543
                ],
                [
                  -158.17038871071958,
                  21.385124811820173,
                  -58.84213874138746
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8665.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8665.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:14:36Z",
            "pc:count": 4143237,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 586560.6338,
                "count": 4143237,
                "maximum": 586999.6564,
                "minimum": 585999.6364,
                "name": "X",
                "position": 0,
                "stddev": 283.7370673,
                "variance": 80506.72334
              },
              {
                "average": 2365687.493,
                "count": 4143237,
                "maximum": 2365998.474,
                "minimum": 2364998.454,
                "name": "Y",
                "position": 1,
                "stddev": 216.5000078,
                "variance": 46872.25336
              },
              {
                "average": -11.47863059,
                "count": 4143237,
                "maximum": 0.2578612586,
                "minimum": -58.84213874,
                "name": "Z",
                "position": 2,
                "stddev": 6.190181855,
                "variance": 38.3183514
              },
              {
                "average": 104.957575,
                "count": 4143237,
                "maximum": 8791,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 344.2918491,
                "variance": 118536.8773
              },
              {
                "average": 1.002724923,
                "count": 4143237,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05250790994,
                "variance": 0.002757080607
              },
              {
                "average": 1.004603406,
                "count": 4143237,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.06836968429,
                "variance": 0.00467441373
              },
              {
                "average": 1,
                "count": 4143237,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4143237,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4143237,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.40843352,
                "count": 4143237,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.781855012,
                "variance": 33.42984738
              },
              {
                "average": 113.8744822,
                "count": 4143237,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 85.52332363,
                "variance": 7314.238885
              },
              {
                "average": 6.443812893,
                "count": 4143237,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.179412619,
                "variance": 10.1086646
              },
              {
                "average": 62998262.06,
                "count": 4143237,
                "maximum": 63574076.05,
                "minimum": 62718254.63,
                "name": "GpsTime",
                "position": 12,
                "stddev": 382812.3204,
                "variance": 146545272700.0
              },
              {
                "average": 0,
                "count": 4143237,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4143237,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4143237,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4143237,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4143237,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              585999.6364,
              2364998.454,
              -58.84213874,
              586999.6564,
              2365998.474,
              0.2578612586
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    585999.636389807,
                    2364998.4542334415,
                    -58.84213874138746
                  ],
                  [
                    585999.636389807,
                    2365998.474233441,
                    -58.84213874138746
                  ],
                  [
                    586999.656389807,
                    2365998.474233441,
                    0.257861258612543
                  ],
                  [
                    586999.656389807,
                    2364998.4542334415,
                    0.257861258612543
                  ],
                  [
                    585999.636389807,
                    2364998.4542334415,
                    -58.84213874138746
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:14:36+00:00",
            "end_time": "2013-09-08T23:30:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9087.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.13062605628988,
              21.583679611229506,
              -26.106043669537822
            ],
            [
              -158.13057211876344,
              21.592713766277,
              -26.106043669537822
            ],
            [
              -158.12091239717708,
              21.592663038174923,
              28.13395633046218
            ],
            [
              -158.1209669308331,
              21.58362890647389,
              28.13395633046218
            ],
            [
              -158.13062605628988,
              21.583679611229506,
              -26.106043669537822
            ]
          ]
        ]
      },
      "bbox": [
        -158.1306261,
        21.58362891,
        -26.10604367,
        -158.1209124,
        21.59271377,
        28.13395633
      ],
      "properties": {
        "datetime": "2013-09-22T23:51:14Z",
        "pc:count": 5794916,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590539.9143,
            "count": 5794916,
            "maximum": 590999.6366,
            "minimum": 589999.6166,
            "name": "X",
            "position": 0,
            "stddev": 271.8864727,
            "variance": 73922.25402
          },
          {
            "average": 2387537.379,
            "count": 5794916,
            "maximum": 2387998.484,
            "minimum": 2386998.464,
            "name": "Y",
            "position": 1,
            "stddev": 302.6455774,
            "variance": 91594.34552
          },
          {
            "average": -1.930094645,
            "count": 5794916,
            "maximum": 28.13395633,
            "minimum": -26.10604367,
            "name": "Z",
            "position": 2,
            "stddev": 2.885992639,
            "variance": 8.328953511
          },
          {
            "average": 3.526973816,
            "count": 5794916,
            "maximum": 8894,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.41042363,
            "variance": 207.6603092
          },
          {
            "average": 1.087039571,
            "count": 5794916,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3837492462,
            "variance": 0.147263484
          },
          {
            "average": 1.156970006,
            "count": 5794916,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5947550093,
            "variance": 0.3537335211
          },
          {
            "average": 1,
            "count": 5794916,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5794916,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.64313167,
            "count": 5794916,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.768964303,
            "variance": 60.35680635
          },
          {
            "average": 18.30698522,
            "count": 5794916,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.648444675,
            "variance": 44.2018166
          },
          {
            "average": 88.34379463,
            "count": 5794916,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 72.80154774,
            "variance": 5300.065353
          },
          {
            "average": 4.964462815,
            "count": 5794916,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.53414108,
            "variance": 6.421871011
          },
          {
            "average": 62908416.58,
            "count": 5794916,
            "maximum": 63929074.4,
            "minimum": 62799659.93,
            "name": "GpsTime",
            "position": 12,
            "stddev": 230271.1641,
            "variance": 53024809020.0
          },
          {
            "average": 0,
            "count": 5794916,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5794916,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5794916,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5794916,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5794916,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          589999.6166,
          2386998.464,
          -26.10604367,
          590999.6366,
          2387998.484,
          28.13395633
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                589999.6166245525,
                2386998.463531609,
                -26.106043669537822
              ],
              [
                589999.6166245525,
                2387998.4835316087,
                -26.106043669537822
              ],
              [
                590999.6366245525,
                2387998.4835316087,
                28.13395633046218
              ],
              [
                590999.6366245525,
                2386998.463531609,
                28.13395633046218
              ],
              [
                589999.6166245525,
                2386998.463531609,
                -26.106043669537822
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:51:14+00:00",
        "end_time": "2013-09-09T22:07:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9087.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9087.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9087.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9087.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1306261,
            21.58362891,
            -26.10604367,
            -158.1209124,
            21.59271377,
            28.13395633
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.13062605628988,
                  21.583679611229506,
                  -26.106043669537822
                ],
                [
                  -158.13057211876344,
                  21.592713766277,
                  -26.106043669537822
                ],
                [
                  -158.12091239717708,
                  21.592663038174923,
                  28.13395633046218
                ],
                [
                  -158.1209669308331,
                  21.58362890647389,
                  28.13395633046218
                ],
                [
                  -158.13062605628988,
                  21.583679611229506,
                  -26.106043669537822
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9087.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9087.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:51:14Z",
            "pc:count": 5794916,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590539.9143,
                "count": 5794916,
                "maximum": 590999.6366,
                "minimum": 589999.6166,
                "name": "X",
                "position": 0,
                "stddev": 271.8864727,
                "variance": 73922.25402
              },
              {
                "average": 2387537.379,
                "count": 5794916,
                "maximum": 2387998.484,
                "minimum": 2386998.464,
                "name": "Y",
                "position": 1,
                "stddev": 302.6455774,
                "variance": 91594.34552
              },
              {
                "average": -1.930094645,
                "count": 5794916,
                "maximum": 28.13395633,
                "minimum": -26.10604367,
                "name": "Z",
                "position": 2,
                "stddev": 2.885992639,
                "variance": 8.328953511
              },
              {
                "average": 3.526973816,
                "count": 5794916,
                "maximum": 8894,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.41042363,
                "variance": 207.6603092
              },
              {
                "average": 1.087039571,
                "count": 5794916,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3837492462,
                "variance": 0.147263484
              },
              {
                "average": 1.156970006,
                "count": 5794916,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5947550093,
                "variance": 0.3537335211
              },
              {
                "average": 1,
                "count": 5794916,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5794916,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.64313167,
                "count": 5794916,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.768964303,
                "variance": 60.35680635
              },
              {
                "average": 18.30698522,
                "count": 5794916,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.648444675,
                "variance": 44.2018166
              },
              {
                "average": 88.34379463,
                "count": 5794916,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 72.80154774,
                "variance": 5300.065353
              },
              {
                "average": 4.964462815,
                "count": 5794916,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.53414108,
                "variance": 6.421871011
              },
              {
                "average": 62908416.58,
                "count": 5794916,
                "maximum": 63929074.4,
                "minimum": 62799659.93,
                "name": "GpsTime",
                "position": 12,
                "stddev": 230271.1641,
                "variance": 53024809020.0
              },
              {
                "average": 0,
                "count": 5794916,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5794916,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5794916,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5794916,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5794916,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              589999.6166,
              2386998.464,
              -26.10604367,
              590999.6366,
              2387998.484,
              28.13395633
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    589999.6166245525,
                    2386998.463531609,
                    -26.106043669537822
                  ],
                  [
                    589999.6166245525,
                    2387998.4835316087,
                    -26.106043669537822
                  ],
                  [
                    590999.6366245525,
                    2387998.4835316087,
                    28.13395633046218
                  ],
                  [
                    590999.6366245525,
                    2386998.463531609,
                    28.13395633046218
                  ],
                  [
                    589999.6166245525,
                    2386998.463531609,
                    -26.106043669537822
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:51:14+00:00",
            "end_time": "2013-09-09T22:07:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej7975.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.237441866766,
              21.47578897714452,
              -39.28521302812986
            ],
            [
              -158.23739484999436,
              21.484823300737702,
              -39.28521302812986
            ],
            [
              -158.22774221425803,
              21.484778986609307,
              66.07478697187014
            ],
            [
              -158.22778982328327,
              21.475744684832076,
              66.07478697187014
            ],
            [
              -158.237441866766,
              21.47578897714452,
              -39.28521302812986
            ]
          ]
        ]
      },
      "bbox": [
        -158.2374419,
        21.47574468,
        -39.28521303,
        -158.2277422,
        21.4848233,
        66.07478697
      ],
      "properties": {
        "datetime": "2013-09-19T00:43:22Z",
        "pc:count": 7302372,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579737.9768,
            "count": 7302372,
            "maximum": 579999.6246,
            "minimum": 578999.6246,
            "name": "X",
            "position": 0,
            "stddev": 236.4032599,
            "variance": 55886.50129
          },
          {
            "average": 2375623.166,
            "count": 7302372,
            "maximum": 2375998.447,
            "minimum": 2374998.447,
            "name": "Y",
            "position": 1,
            "stddev": 253.2823988,
            "variance": 64151.97352
          },
          {
            "average": -0.6536578773,
            "count": 7302372,
            "maximum": 66.07478697,
            "minimum": -39.28521303,
            "name": "Z",
            "position": 2,
            "stddev": 13.71999701,
            "variance": 188.2383178
          },
          {
            "average": 91.49542984,
            "count": 7302372,
            "maximum": 8782,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 268.209678,
            "variance": 71936.43135
          },
          {
            "average": 1.313088405,
            "count": 7302372,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7358718455,
            "variance": 0.5415073731
          },
          {
            "average": 1.609815003,
            "count": 7302372,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.137060966,
            "variance": 1.292907639
          },
          {
            "average": 1,
            "count": 7302372,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7302372,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.08069419,
            "count": 7302372,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.95420787,
            "variance": 194.7199173
          },
          {
            "average": 17.34274628,
            "count": 7302372,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.471743408,
            "variance": 55.82694955
          },
          {
            "average": 116.1353909,
            "count": 7302372,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 84.7292689,
            "variance": 7179.049008
          },
          {
            "average": 5.508956953,
            "count": 7302372,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.71012056,
            "variance": 13.76499457
          },
          {
            "average": 63095322.45,
            "count": 7302372,
            "maximum": 63586602.97,
            "minimum": 62719642.67,
            "name": "GpsTime",
            "position": 12,
            "stddev": 346850.6206,
            "variance": 120305353000.0
          },
          {
            "average": 0,
            "count": 7302372,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7302372,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7302372,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7302372,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7302372,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.6246,
          2374998.447,
          -39.28521303,
          579999.6246,
          2375998.447,
          66.07478697
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.6245853377,
                2374998.4466079613,
                -39.28521302812986
              ],
              [
                578999.6245853377,
                2375998.4466079613,
                -39.28521302812986
              ],
              [
                579999.6245853377,
                2375998.4466079613,
                66.07478697187014
              ],
              [
                579999.6245853377,
                2374998.4466079613,
                66.07478697187014
              ],
              [
                578999.6245853377,
                2374998.4466079613,
                -39.28521302812986
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:43:22+00:00",
        "end_time": "2013-09-08T23:54:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej7975.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej7975.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej7975.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej7975.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2374419,
            21.47574468,
            -39.28521303,
            -158.2277422,
            21.4848233,
            66.07478697
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.237441866766,
                  21.47578897714452,
                  -39.28521302812986
                ],
                [
                  -158.23739484999436,
                  21.484823300737702,
                  -39.28521302812986
                ],
                [
                  -158.22774221425803,
                  21.484778986609307,
                  66.07478697187014
                ],
                [
                  -158.22778982328327,
                  21.475744684832076,
                  66.07478697187014
                ],
                [
                  -158.237441866766,
                  21.47578897714452,
                  -39.28521302812986
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej7975.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej7975.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:43:22Z",
            "pc:count": 7302372,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579737.9768,
                "count": 7302372,
                "maximum": 579999.6246,
                "minimum": 578999.6246,
                "name": "X",
                "position": 0,
                "stddev": 236.4032599,
                "variance": 55886.50129
              },
              {
                "average": 2375623.166,
                "count": 7302372,
                "maximum": 2375998.447,
                "minimum": 2374998.447,
                "name": "Y",
                "position": 1,
                "stddev": 253.2823988,
                "variance": 64151.97352
              },
              {
                "average": -0.6536578773,
                "count": 7302372,
                "maximum": 66.07478697,
                "minimum": -39.28521303,
                "name": "Z",
                "position": 2,
                "stddev": 13.71999701,
                "variance": 188.2383178
              },
              {
                "average": 91.49542984,
                "count": 7302372,
                "maximum": 8782,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 268.209678,
                "variance": 71936.43135
              },
              {
                "average": 1.313088405,
                "count": 7302372,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7358718455,
                "variance": 0.5415073731
              },
              {
                "average": 1.609815003,
                "count": 7302372,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.137060966,
                "variance": 1.292907639
              },
              {
                "average": 1,
                "count": 7302372,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7302372,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.08069419,
                "count": 7302372,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.95420787,
                "variance": 194.7199173
              },
              {
                "average": 17.34274628,
                "count": 7302372,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.471743408,
                "variance": 55.82694955
              },
              {
                "average": 116.1353909,
                "count": 7302372,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 84.7292689,
                "variance": 7179.049008
              },
              {
                "average": 5.508956953,
                "count": 7302372,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.71012056,
                "variance": 13.76499457
              },
              {
                "average": 63095322.45,
                "count": 7302372,
                "maximum": 63586602.97,
                "minimum": 62719642.67,
                "name": "GpsTime",
                "position": 12,
                "stddev": 346850.6206,
                "variance": 120305353000.0
              },
              {
                "average": 0,
                "count": 7302372,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7302372,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7302372,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7302372,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7302372,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.6246,
              2374998.447,
              -39.28521303,
              579999.6246,
              2375998.447,
              66.07478697
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.6245853377,
                    2374998.4466079613,
                    -39.28521302812986
                  ],
                  [
                    578999.6245853377,
                    2375998.4466079613,
                    -39.28521302812986
                  ],
                  [
                    579999.6245853377,
                    2375998.4466079613,
                    66.07478697187014
                  ],
                  [
                    579999.6245853377,
                    2374998.4466079613,
                    66.07478697187014
                  ],
                  [
                    578999.6245853377,
                    2374998.4466079613,
                    -39.28521302812986
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:43:22+00:00",
            "end_time": "2013-09-08T23:54:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9088.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.13057211562213,
              21.592713664196292,
              -19.174941119682053
            ],
            [
              -158.1305181563674,
              21.601747627264835,
              -19.174941119682053
            ],
            [
              -158.12085783791358,
              21.601696875783276,
              -1.834941119682053
            ],
            [
              -158.1209123940425,
              21.592662936094257,
              -1.834941119682053
            ],
            [
              -158.13057211562213,
              21.592713664196292,
              -19.174941119682053
            ]
          ]
        ]
      },
      "bbox": [
        -158.1305721,
        21.59266294,
        -19.17494112,
        -158.1208578,
        21.60174763,
        -1.83494112
      ],
      "properties": {
        "datetime": "2013-09-22T23:33:01Z",
        "pc:count": 3368833,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590607.6844,
            "count": 3368833,
            "maximum": 590999.637,
            "minimum": 589999.617,
            "name": "X",
            "position": 0,
            "stddev": 257.5953548,
            "variance": 66355.36683
          },
          {
            "average": 2388324.797,
            "count": 3368833,
            "maximum": 2388998.472,
            "minimum": 2387998.472,
            "name": "Y",
            "position": 1,
            "stddev": 250.7663596,
            "variance": 62883.76709
          },
          {
            "average": -6.824652486,
            "count": 3368833,
            "maximum": -1.83494112,
            "minimum": -19.17494112,
            "name": "Z",
            "position": 2,
            "stddev": 2.493126049,
            "variance": 6.215677495
          },
          {
            "average": 7.941801508,
            "count": 3368833,
            "maximum": 8891,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.73858658,
            "variance": 884.3835319
          },
          {
            "average": 1.008504132,
            "count": 3368833,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09270002368,
            "variance": 0.00859329439
          },
          {
            "average": 1.010503637,
            "count": 3368833,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1034993665,
            "variance": 0.01071211886
          },
          {
            "average": 1,
            "count": 3368833,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3368833,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3368833,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.0256187,
            "count": 3368833,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.94563017,
            "variance": 24.45925778
          },
          {
            "average": 96.48571627,
            "count": 3368833,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 69.42193491,
            "variance": 4819.405046
          },
          {
            "average": 3.968804924,
            "count": 3368833,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.448053454,
            "variance": 5.992965716
          },
          {
            "average": 62821859.69,
            "count": 3368833,
            "maximum": 63927981.46,
            "minimum": 62799641,
            "name": "GpsTime",
            "position": 12,
            "stddev": 104587.1567,
            "variance": 10938473340.0
          },
          {
            "average": 0,
            "count": 3368833,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3368833,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3368833,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3368833,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3368833,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          589999.617,
          2387998.472,
          -19.17494112,
          590999.637,
          2388998.472,
          -1.83494112
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                589999.6170128523,
                2387998.472234124,
                -19.174941119682053
              ],
              [
                589999.6170128523,
                2388998.472234124,
                -19.174941119682053
              ],
              [
                590999.6370128524,
                2388998.472234124,
                -1.834941119682053
              ],
              [
                590999.6370128524,
                2387998.472234124,
                -1.834941119682053
              ],
              [
                589999.6170128523,
                2387998.472234124,
                -19.174941119682053
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:33:01+00:00",
        "end_time": "2013-09-09T22:07:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9088.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9088.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9088.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9088.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1305721,
            21.59266294,
            -19.17494112,
            -158.1208578,
            21.60174763,
            -1.83494112
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.13057211562213,
                  21.592713664196292,
                  -19.174941119682053
                ],
                [
                  -158.1305181563674,
                  21.601747627264835,
                  -19.174941119682053
                ],
                [
                  -158.12085783791358,
                  21.601696875783276,
                  -1.834941119682053
                ],
                [
                  -158.1209123940425,
                  21.592662936094257,
                  -1.834941119682053
                ],
                [
                  -158.13057211562213,
                  21.592713664196292,
                  -19.174941119682053
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9088.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9088.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:33:01Z",
            "pc:count": 3368833,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590607.6844,
                "count": 3368833,
                "maximum": 590999.637,
                "minimum": 589999.617,
                "name": "X",
                "position": 0,
                "stddev": 257.5953548,
                "variance": 66355.36683
              },
              {
                "average": 2388324.797,
                "count": 3368833,
                "maximum": 2388998.472,
                "minimum": 2387998.472,
                "name": "Y",
                "position": 1,
                "stddev": 250.7663596,
                "variance": 62883.76709
              },
              {
                "average": -6.824652486,
                "count": 3368833,
                "maximum": -1.83494112,
                "minimum": -19.17494112,
                "name": "Z",
                "position": 2,
                "stddev": 2.493126049,
                "variance": 6.215677495
              },
              {
                "average": 7.941801508,
                "count": 3368833,
                "maximum": 8891,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.73858658,
                "variance": 884.3835319
              },
              {
                "average": 1.008504132,
                "count": 3368833,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09270002368,
                "variance": 0.00859329439
              },
              {
                "average": 1.010503637,
                "count": 3368833,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1034993665,
                "variance": 0.01071211886
              },
              {
                "average": 1,
                "count": 3368833,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3368833,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3368833,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.0256187,
                "count": 3368833,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.94563017,
                "variance": 24.45925778
              },
              {
                "average": 96.48571627,
                "count": 3368833,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 69.42193491,
                "variance": 4819.405046
              },
              {
                "average": 3.968804924,
                "count": 3368833,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.448053454,
                "variance": 5.992965716
              },
              {
                "average": 62821859.69,
                "count": 3368833,
                "maximum": 63927981.46,
                "minimum": 62799641,
                "name": "GpsTime",
                "position": 12,
                "stddev": 104587.1567,
                "variance": 10938473340.0
              },
              {
                "average": 0,
                "count": 3368833,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3368833,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3368833,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3368833,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3368833,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              589999.617,
              2387998.472,
              -19.17494112,
              590999.637,
              2388998.472,
              -1.83494112
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    589999.6170128523,
                    2387998.472234124,
                    -19.174941119682053
                  ],
                  [
                    589999.6170128523,
                    2388998.472234124,
                    -19.174941119682053
                  ],
                  [
                    590999.6370128524,
                    2388998.472234124,
                    -1.834941119682053
                  ],
                  [
                    590999.6370128524,
                    2387998.472234124,
                    -1.834941119682053
                  ],
                  [
                    589999.6170128523,
                    2387998.472234124,
                    -19.174941119682053
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:33:01+00:00",
            "end_time": "2013-09-09T22:07:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9089.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12361370630188,
              21.601711450985185,
              -23.47641059482263
            ],
            [
              -158.12359425243136,
              21.604941987436003,
              -23.47641059482263
            ],
            [
              -158.12083854817905,
              21.604927450470317,
              -12.636410594822634
            ],
            [
              -158.12085806316642,
              21.601696916389205,
              -12.636410594822634
            ],
            [
              -158.12361370630188,
              21.601711450985185,
              -23.47641059482263
            ]
          ]
        ]
      },
      "bbox": [
        -158.1236137,
        21.60169692,
        -23.47641059,
        -158.1208385,
        21.60494199,
        -12.63641059
      ],
      "properties": {
        "datetime": "2013-09-09T22:15:37Z",
        "pc:count": 47836,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590906.3987,
            "count": 47836,
            "maximum": 590999.6137,
            "minimum": 590714.3537,
            "name": "X",
            "position": 0,
            "stddev": 67.70028037,
            "variance": 4583.327962
          },
          {
            "average": 2389095.046,
            "count": 47836,
            "maximum": 2389356.077,
            "minimum": 2388998.477,
            "name": "Y",
            "position": 1,
            "stddev": 82.29648974,
            "variance": 6772.712224
          },
          {
            "average": -16.37370803,
            "count": 47836,
            "maximum": -12.63641059,
            "minimum": -23.47641059,
            "name": "Z",
            "position": 2,
            "stddev": 2.775733931,
            "variance": 7.704698857
          },
          {
            "average": 140.9219207,
            "count": 47836,
            "maximum": 742,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 164.9021663,
            "variance": 27192.72444
          },
          {
            "average": 1.009678903,
            "count": 47836,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09811846171,
            "variance": 0.009627232527
          },
          {
            "average": 1.014779664,
            "count": 47836,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1222203882,
            "variance": 0.0149378233
          },
          {
            "average": 1,
            "count": 47836,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 47836,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 47836,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.1771363,
            "count": 47836,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.728523499,
            "variance": 76.18712247
          },
          {
            "average": 199.124676,
            "count": 47836,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 73.69951996,
            "variance": 5431.619242
          },
          {
            "average": 2.265448616,
            "count": 47836,
            "maximum": 3,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4415764085,
            "variance": 0.1949897245
          },
          {
            "average": 62799773.76,
            "count": 47836,
            "maximum": 62800137.97,
            "minimum": 62799638.37,
            "name": "GpsTime",
            "position": 12,
            "stddev": 217.709158,
            "variance": 47397.27749
          },
          {
            "average": 0,
            "count": 47836,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 47836,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 47836,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 47836,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 47836,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590714.3537,
          2388998.477,
          -23.47641059,
          590999.6137,
          2389356.077,
          -12.63641059
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590714.3536703645,
                2388998.476597085,
                -23.47641059482263
              ],
              [
                590714.3536703645,
                2389356.0765970848,
                -23.47641059482263
              ],
              [
                590999.6136703645,
                2389356.0765970848,
                -12.636410594822634
              ],
              [
                590999.6136703645,
                2388998.476597085,
                -12.636410594822634
              ],
              [
                590714.3536703645,
                2388998.476597085,
                -23.47641059482263
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T22:15:37+00:00",
        "end_time": "2013-09-09T22:07:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9089.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9089.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9089.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9089.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1236137,
            21.60169692,
            -23.47641059,
            -158.1208385,
            21.60494199,
            -12.63641059
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12361370630188,
                  21.601711450985185,
                  -23.47641059482263
                ],
                [
                  -158.12359425243136,
                  21.604941987436003,
                  -23.47641059482263
                ],
                [
                  -158.12083854817905,
                  21.604927450470317,
                  -12.636410594822634
                ],
                [
                  -158.12085806316642,
                  21.601696916389205,
                  -12.636410594822634
                ],
                [
                  -158.12361370630188,
                  21.601711450985185,
                  -23.47641059482263
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9089.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9089.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T22:15:37Z",
            "pc:count": 47836,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590906.3987,
                "count": 47836,
                "maximum": 590999.6137,
                "minimum": 590714.3537,
                "name": "X",
                "position": 0,
                "stddev": 67.70028037,
                "variance": 4583.327962
              },
              {
                "average": 2389095.046,
                "count": 47836,
                "maximum": 2389356.077,
                "minimum": 2388998.477,
                "name": "Y",
                "position": 1,
                "stddev": 82.29648974,
                "variance": 6772.712224
              },
              {
                "average": -16.37370803,
                "count": 47836,
                "maximum": -12.63641059,
                "minimum": -23.47641059,
                "name": "Z",
                "position": 2,
                "stddev": 2.775733931,
                "variance": 7.704698857
              },
              {
                "average": 140.9219207,
                "count": 47836,
                "maximum": 742,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 164.9021663,
                "variance": 27192.72444
              },
              {
                "average": 1.009678903,
                "count": 47836,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09811846171,
                "variance": 0.009627232527
              },
              {
                "average": 1.014779664,
                "count": 47836,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1222203882,
                "variance": 0.0149378233
              },
              {
                "average": 1,
                "count": 47836,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 47836,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 47836,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.1771363,
                "count": 47836,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.728523499,
                "variance": 76.18712247
              },
              {
                "average": 199.124676,
                "count": 47836,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 73.69951996,
                "variance": 5431.619242
              },
              {
                "average": 2.265448616,
                "count": 47836,
                "maximum": 3,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4415764085,
                "variance": 0.1949897245
              },
              {
                "average": 62799773.76,
                "count": 47836,
                "maximum": 62800137.97,
                "minimum": 62799638.37,
                "name": "GpsTime",
                "position": 12,
                "stddev": 217.709158,
                "variance": 47397.27749
              },
              {
                "average": 0,
                "count": 47836,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 47836,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 47836,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 47836,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 47836,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590714.3537,
              2388998.477,
              -23.47641059,
              590999.6137,
              2389356.077,
              -12.63641059
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590714.3536703645,
                    2388998.476597085,
                    -23.47641059482263
                  ],
                  [
                    590714.3536703645,
                    2389356.0765970848,
                    -23.47641059482263
                  ],
                  [
                    590999.6136703645,
                    2389356.0765970848,
                    -12.636410594822634
                  ],
                  [
                    590999.6136703645,
                    2388998.476597085,
                    -12.636410594822634
                  ],
                  [
                    590714.3536703645,
                    2388998.476597085,
                    -23.47641059482263
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T22:15:37+00:00",
            "end_time": "2013-09-09T22:07:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9153.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1177819647786,
              21.28094044324968,
              -56.30298925987304
            ],
            [
              -158.11775490695746,
              21.28547691372678,
              -56.30298925987304
            ],
            [
              -158.11311090260418,
              21.285452516541266,
              -26.28298925987304
            ],
            [
              -158.11313810267677,
              21.28091605188429,
              -26.28298925987304
            ],
            [
              -158.1177819647786,
              21.28094044324968,
              -56.30298925987304
            ]
          ]
        ]
      },
      "bbox": [
        -158.117782,
        21.28091605,
        -56.30298926,
        -158.1131109,
        21.28547691,
        -26.28298926
      ],
      "properties": {
        "datetime": "2013-09-17T12:20:15Z",
        "pc:count": 89774,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591858.3707,
            "count": 89774,
            "maximum": 591999.6656,
            "minimum": 591517.8856,
            "name": "X",
            "position": 0,
            "stddev": 108.8911185,
            "variance": 11857.27568
          },
          {
            "average": 2353890.214,
            "count": 89774,
            "maximum": 2353998.459,
            "minimum": 2353496.319,
            "name": "Y",
            "position": 1,
            "stddev": 88.49206006,
            "variance": 7830.844694
          },
          {
            "average": -35.83804095,
            "count": 89774,
            "maximum": -26.28298926,
            "minimum": -56.30298926,
            "name": "Z",
            "position": 2,
            "stddev": 6.63917566,
            "variance": 44.07865345
          },
          {
            "average": 618.2184931,
            "count": 89774,
            "maximum": 3620,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 535.8772797,
            "variance": 287164.4589
          },
          {
            "average": 1.003252612,
            "count": 89774,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05693916704,
            "variance": 0.003242068743
          },
          {
            "average": 1.003308308,
            "count": 89774,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05742298633,
            "variance": 0.003297399359
          },
          {
            "average": 1,
            "count": 89774,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 89774,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 89774,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.7693591438,
            "count": 89774,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.93602633,
            "variance": 15.49230327
          },
          {
            "average": 249.068717,
            "count": 89774,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.2583329867,
            "variance": 0.06673593201
          },
          {
            "average": 3.24720966,
            "count": 89774,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.361950856,
            "variance": 5.578811848
          },
          {
            "average": 63311094.42,
            "count": 89774,
            "maximum": 63455615.89,
            "minimum": 62893110.07,
            "name": "GpsTime",
            "position": 12,
            "stddev": 128156.5518,
            "variance": 16424101760.0
          },
          {
            "average": 0,
            "count": 89774,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 89774,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 89774,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 89774,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 89774,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591517.8856,
          2353496.319,
          -56.30298926,
          591999.6656,
          2353998.459,
          -26.28298926
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591517.8855515375,
                2353496.318513341,
                -56.30298925987304
              ],
              [
                591517.8855515375,
                2353998.4585133404,
                -56.30298925987304
              ],
              [
                591999.6655515375,
                2353998.4585133404,
                -26.28298925987304
              ],
              [
                591999.6655515375,
                2353496.318513341,
                -26.28298925987304
              ],
              [
                591517.8855515375,
                2353496.318513341,
                -56.30298925987304
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:20:15+00:00",
        "end_time": "2013-09-11T00:05:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9153.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9153.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9153.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9153.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.117782,
            21.28091605,
            -56.30298926,
            -158.1131109,
            21.28547691,
            -26.28298926
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1177819647786,
                  21.28094044324968,
                  -56.30298925987304
                ],
                [
                  -158.11775490695746,
                  21.28547691372678,
                  -56.30298925987304
                ],
                [
                  -158.11311090260418,
                  21.285452516541266,
                  -26.28298925987304
                ],
                [
                  -158.11313810267677,
                  21.28091605188429,
                  -26.28298925987304
                ],
                [
                  -158.1177819647786,
                  21.28094044324968,
                  -56.30298925987304
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9153.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9153.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:20:15Z",
            "pc:count": 89774,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591858.3707,
                "count": 89774,
                "maximum": 591999.6656,
                "minimum": 591517.8856,
                "name": "X",
                "position": 0,
                "stddev": 108.8911185,
                "variance": 11857.27568
              },
              {
                "average": 2353890.214,
                "count": 89774,
                "maximum": 2353998.459,
                "minimum": 2353496.319,
                "name": "Y",
                "position": 1,
                "stddev": 88.49206006,
                "variance": 7830.844694
              },
              {
                "average": -35.83804095,
                "count": 89774,
                "maximum": -26.28298926,
                "minimum": -56.30298926,
                "name": "Z",
                "position": 2,
                "stddev": 6.63917566,
                "variance": 44.07865345
              },
              {
                "average": 618.2184931,
                "count": 89774,
                "maximum": 3620,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 535.8772797,
                "variance": 287164.4589
              },
              {
                "average": 1.003252612,
                "count": 89774,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05693916704,
                "variance": 0.003242068743
              },
              {
                "average": 1.003308308,
                "count": 89774,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05742298633,
                "variance": 0.003297399359
              },
              {
                "average": 1,
                "count": 89774,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 89774,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 89774,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.7693591438,
                "count": 89774,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.93602633,
                "variance": 15.49230327
              },
              {
                "average": 249.068717,
                "count": 89774,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.2583329867,
                "variance": 0.06673593201
              },
              {
                "average": 3.24720966,
                "count": 89774,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.361950856,
                "variance": 5.578811848
              },
              {
                "average": 63311094.42,
                "count": 89774,
                "maximum": 63455615.89,
                "minimum": 62893110.07,
                "name": "GpsTime",
                "position": 12,
                "stddev": 128156.5518,
                "variance": 16424101760.0
              },
              {
                "average": 0,
                "count": 89774,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 89774,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 89774,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 89774,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 89774,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591517.8856,
              2353496.319,
              -56.30298926,
              591999.6656,
              2353998.459,
              -26.28298926
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591517.8855515375,
                    2353496.318513341,
                    -56.30298925987304
                  ],
                  [
                    591517.8855515375,
                    2353998.4585133404,
                    -56.30298925987304
                  ],
                  [
                    591999.6655515375,
                    2353998.4585133404,
                    -26.28298925987304
                  ],
                  [
                    591999.6655515375,
                    2353496.318513341,
                    -26.28298925987304
                  ],
                  [
                    591517.8855515375,
                    2353496.318513341,
                    -56.30298925987304
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:20:15+00:00",
            "end_time": "2013-09-11T00:05:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9154.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12275025621474,
              21.285503118545876,
              -58.41552054697706
            ],
            [
              -158.1226966583698,
              21.29453739354111,
              -58.41552054697706
            ],
            [
              -158.11305660550096,
              21.294486872989168,
              -4.655520546977062
            ],
            [
              -158.11311079178145,
              21.28545262181477,
              -4.655520546977062
            ],
            [
              -158.12275025621474,
              21.285503118545876,
              -58.41552054697706
            ]
          ]
        ]
      },
      "bbox": [
        -158.1227503,
        21.28545262,
        -58.41552055,
        -158.1130566,
        21.29453739,
        -4.655520547
      ],
      "properties": {
        "datetime": "2013-09-17T12:03:54Z",
        "pc:count": 2969334,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591737.4848,
            "count": 2969334,
            "maximum": 591999.677,
            "minimum": 590999.657,
            "name": "X",
            "position": 0,
            "stddev": 210.0096528,
            "variance": 44104.05427
          },
          {
            "average": 2354671.944,
            "count": 2969334,
            "maximum": 2354998.47,
            "minimum": 2353998.47,
            "name": "Y",
            "position": 1,
            "stddev": 220.8665531,
            "variance": 48782.0343
          },
          {
            "average": -12.23793225,
            "count": 2969334,
            "maximum": -4.655520547,
            "minimum": -58.41552055,
            "name": "Z",
            "position": 2,
            "stddev": 8.981556452,
            "variance": 80.6683563
          },
          {
            "average": 137.0922493,
            "count": 2969334,
            "maximum": 8717,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 275.1226943,
            "variance": 75692.49691
          },
          {
            "average": 1.008828242,
            "count": 2969334,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09522368582,
            "variance": 0.009067550341
          },
          {
            "average": 1.014446,
            "count": 2969334,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1224240788,
            "variance": 0.01498765508
          },
          {
            "average": 1,
            "count": 2969334,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2969334,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2969334,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.906188448,
            "count": 2969334,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.856472811,
            "variance": 97.15005627
          },
          {
            "average": 129.048259,
            "count": 2969334,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 87.03802797,
            "variance": 7575.618313
          },
          {
            "average": 8.732085713,
            "count": 2969334,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.304091617,
            "variance": 10.91702142
          },
          {
            "average": 63178014.42,
            "count": 2969334,
            "maximum": 63454634.98,
            "minimum": 62893093.25,
            "name": "GpsTime",
            "position": 12,
            "stddev": 241971.3971,
            "variance": 58550157030.0
          },
          {
            "average": 0,
            "count": 2969334,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2969334,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2969334,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2969334,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2969334,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.657,
          2353998.47,
          -58.41552055,
          591999.677,
          2354998.47,
          -4.655520547
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6569827104,
                2353998.470230283,
                -58.41552054697706
              ],
              [
                590999.6569827104,
                2354998.470230283,
                -58.41552054697706
              ],
              [
                591999.6769827104,
                2354998.470230283,
                -4.655520546977062
              ],
              [
                591999.6769827104,
                2353998.470230283,
                -4.655520546977062
              ],
              [
                590999.6569827104,
                2353998.470230283,
                -58.41552054697706
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:03:54+00:00",
        "end_time": "2013-09-11T00:04:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9154.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9154.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9154.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9154.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1227503,
            21.28545262,
            -58.41552055,
            -158.1130566,
            21.29453739,
            -4.655520547
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12275025621474,
                  21.285503118545876,
                  -58.41552054697706
                ],
                [
                  -158.1226966583698,
                  21.29453739354111,
                  -58.41552054697706
                ],
                [
                  -158.11305660550096,
                  21.294486872989168,
                  -4.655520546977062
                ],
                [
                  -158.11311079178145,
                  21.28545262181477,
                  -4.655520546977062
                ],
                [
                  -158.12275025621474,
                  21.285503118545876,
                  -58.41552054697706
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9154.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9154.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:03:54Z",
            "pc:count": 2969334,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591737.4848,
                "count": 2969334,
                "maximum": 591999.677,
                "minimum": 590999.657,
                "name": "X",
                "position": 0,
                "stddev": 210.0096528,
                "variance": 44104.05427
              },
              {
                "average": 2354671.944,
                "count": 2969334,
                "maximum": 2354998.47,
                "minimum": 2353998.47,
                "name": "Y",
                "position": 1,
                "stddev": 220.8665531,
                "variance": 48782.0343
              },
              {
                "average": -12.23793225,
                "count": 2969334,
                "maximum": -4.655520547,
                "minimum": -58.41552055,
                "name": "Z",
                "position": 2,
                "stddev": 8.981556452,
                "variance": 80.6683563
              },
              {
                "average": 137.0922493,
                "count": 2969334,
                "maximum": 8717,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 275.1226943,
                "variance": 75692.49691
              },
              {
                "average": 1.008828242,
                "count": 2969334,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09522368582,
                "variance": 0.009067550341
              },
              {
                "average": 1.014446,
                "count": 2969334,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1224240788,
                "variance": 0.01498765508
              },
              {
                "average": 1,
                "count": 2969334,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2969334,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2969334,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.906188448,
                "count": 2969334,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.856472811,
                "variance": 97.15005627
              },
              {
                "average": 129.048259,
                "count": 2969334,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 87.03802797,
                "variance": 7575.618313
              },
              {
                "average": 8.732085713,
                "count": 2969334,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.304091617,
                "variance": 10.91702142
              },
              {
                "average": 63178014.42,
                "count": 2969334,
                "maximum": 63454634.98,
                "minimum": 62893093.25,
                "name": "GpsTime",
                "position": 12,
                "stddev": 241971.3971,
                "variance": 58550157030.0
              },
              {
                "average": 0,
                "count": 2969334,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2969334,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2969334,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2969334,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2969334,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.657,
              2353998.47,
              -58.41552055,
              591999.677,
              2354998.47,
              -4.655520547
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6569827104,
                    2353998.470230283,
                    -58.41552054697706
                  ],
                  [
                    590999.6569827104,
                    2354998.470230283,
                    -58.41552054697706
                  ],
                  [
                    591999.6769827104,
                    2354998.470230283,
                    -4.655520546977062
                  ],
                  [
                    591999.6769827104,
                    2353998.470230283,
                    -4.655520546977062
                  ],
                  [
                    590999.6569827104,
                    2353998.470230283,
                    -58.41552054697706
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:03:54+00:00",
            "end_time": "2013-09-11T00:04:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8666.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1703377452853,
              21.39415909642983,
              -12.091940800178378
            ],
            [
              -158.1702867711147,
              21.403193554737626,
              -12.091940800178378
            ],
            [
              -158.16063950565785,
              21.40314551324668,
              222.58805919982163
            ],
            [
              -158.1606910709297,
              21.394111077230804,
              222.58805919982163
            ],
            [
              -158.1703377452853,
              21.39415909642983,
              -12.091940800178378
            ]
          ]
        ]
      },
      "bbox": [
        -158.1703377,
        21.39411108,
        -12.0919408,
        -158.1606395,
        21.40319355,
        222.5880592
      ],
      "properties": {
        "datetime": "2013-09-18T20:52:33Z",
        "pc:count": 12647507,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 586520.0535,
            "count": 12647507,
            "maximum": 586999.6587,
            "minimum": 585999.6387,
            "name": "X",
            "position": 0,
            "stddev": 283.6884254,
            "variance": 80479.12269
          },
          {
            "average": 2366547.168,
            "count": 12647507,
            "maximum": 2366998.474,
            "minimum": 2365998.454,
            "name": "Y",
            "position": 1,
            "stddev": 280.4868845,
            "variance": 78672.89237
          },
          {
            "average": 41.31094525,
            "count": 12647507,
            "maximum": 222.5880592,
            "minimum": -12.0919408,
            "name": "Z",
            "position": 2,
            "stddev": 46.89531878,
            "variance": 2199.170924
          },
          {
            "average": 22.34537668,
            "count": 12647507,
            "maximum": 8263,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 50.5142906,
            "variance": 2551.693555
          },
          {
            "average": 1.521117798,
            "count": 12647507,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.92388727,
            "variance": 0.8535676876
          },
          {
            "average": 2.040998277,
            "count": 12647507,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.392558987,
            "variance": 1.939220533
          },
          {
            "average": 1,
            "count": 12647507,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12647507,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.983333079,
            "count": 12647507,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.57229397,
            "variance": 111.7733999
          },
          {
            "average": 20.17929486,
            "count": 12647507,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.693909543,
            "variance": 7.257148625
          },
          {
            "average": 90.27191635,
            "count": 12647507,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.81179321,
            "variance": 4463.815712
          },
          {
            "average": 5.164032643,
            "count": 12647507,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.07483933,
            "variance": 4.304958244
          },
          {
            "average": 62873655.01,
            "count": 12647507,
            "maximum": 63572753.53,
            "minimum": 62716229.45,
            "name": "GpsTime",
            "position": 12,
            "stddev": 256884.7791,
            "variance": 65989789730.0
          },
          {
            "average": 0,
            "count": 12647507,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12647507,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12647507,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12647507,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12647507,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          585999.6387,
          2365998.454,
          -12.0919408,
          586999.6587,
          2366998.474,
          222.5880592
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                585999.6387395529,
                2365998.4541706736,
                -12.091940800178378
              ],
              [
                585999.6387395529,
                2366998.474170673,
                -12.091940800178378
              ],
              [
                586999.658739553,
                2366998.474170673,
                222.58805919982163
              ],
              [
                586999.658739553,
                2365998.4541706736,
                222.58805919982163
              ],
              [
                585999.6387395529,
                2365998.4541706736,
                -12.091940800178378
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:52:33+00:00",
        "end_time": "2013-09-08T22:57:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8666.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8666.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8666.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8666.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1703377,
            21.39411108,
            -12.0919408,
            -158.1606395,
            21.40319355,
            222.5880592
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1703377452853,
                  21.39415909642983,
                  -12.091940800178378
                ],
                [
                  -158.1702867711147,
                  21.403193554737626,
                  -12.091940800178378
                ],
                [
                  -158.16063950565785,
                  21.40314551324668,
                  222.58805919982163
                ],
                [
                  -158.1606910709297,
                  21.394111077230804,
                  222.58805919982163
                ],
                [
                  -158.1703377452853,
                  21.39415909642983,
                  -12.091940800178378
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8666.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8666.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:52:33Z",
            "pc:count": 12647507,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 586520.0535,
                "count": 12647507,
                "maximum": 586999.6587,
                "minimum": 585999.6387,
                "name": "X",
                "position": 0,
                "stddev": 283.6884254,
                "variance": 80479.12269
              },
              {
                "average": 2366547.168,
                "count": 12647507,
                "maximum": 2366998.474,
                "minimum": 2365998.454,
                "name": "Y",
                "position": 1,
                "stddev": 280.4868845,
                "variance": 78672.89237
              },
              {
                "average": 41.31094525,
                "count": 12647507,
                "maximum": 222.5880592,
                "minimum": -12.0919408,
                "name": "Z",
                "position": 2,
                "stddev": 46.89531878,
                "variance": 2199.170924
              },
              {
                "average": 22.34537668,
                "count": 12647507,
                "maximum": 8263,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 50.5142906,
                "variance": 2551.693555
              },
              {
                "average": 1.521117798,
                "count": 12647507,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.92388727,
                "variance": 0.8535676876
              },
              {
                "average": 2.040998277,
                "count": 12647507,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.392558987,
                "variance": 1.939220533
              },
              {
                "average": 1,
                "count": 12647507,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12647507,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.983333079,
                "count": 12647507,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.57229397,
                "variance": 111.7733999
              },
              {
                "average": 20.17929486,
                "count": 12647507,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.693909543,
                "variance": 7.257148625
              },
              {
                "average": 90.27191635,
                "count": 12647507,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.81179321,
                "variance": 4463.815712
              },
              {
                "average": 5.164032643,
                "count": 12647507,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.07483933,
                "variance": 4.304958244
              },
              {
                "average": 62873655.01,
                "count": 12647507,
                "maximum": 63572753.53,
                "minimum": 62716229.45,
                "name": "GpsTime",
                "position": 12,
                "stddev": 256884.7791,
                "variance": 65989789730.0
              },
              {
                "average": 0,
                "count": 12647507,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12647507,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12647507,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12647507,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12647507,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              585999.6387,
              2365998.454,
              -12.0919408,
              586999.6587,
              2366998.474,
              222.5880592
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    585999.6387395529,
                    2365998.4541706736,
                    -12.091940800178378
                  ],
                  [
                    585999.6387395529,
                    2366998.474170673,
                    -12.091940800178378
                  ],
                  [
                    586999.658739553,
                    2366998.474170673,
                    222.58805919982163
                  ],
                  [
                    586999.658739553,
                    2365998.4541706736,
                    222.58805919982163
                  ],
                  [
                    585999.6387395529,
                    2365998.4541706736,
                    -12.091940800178378
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:52:33+00:00",
            "end_time": "2013-09-08T22:57:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8174.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.21818580871317,
              21.466665566731706,
              -4.951766536148842
            ],
            [
              -158.21813768141593,
              21.475699835825125,
              -4.951766536148842
            ],
            [
              -158.2084856939001,
              21.475654425109916,
              43.48823346385116
            ],
            [
              -158.20853440968003,
              21.466620179965,
              43.48823346385116
            ],
            [
              -158.21818580871317,
              21.466665566731706,
              -4.951766536148842
            ]
          ]
        ]
      },
      "bbox": [
        -158.2181858,
        21.46662018,
        -4.951766536,
        -158.2084857,
        21.47569984,
        43.48823346
      ],
      "properties": {
        "datetime": "2013-09-18T20:50:08Z",
        "pc:count": 8598617,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 581394.2118,
            "count": 8598617,
            "maximum": 581999.6322,
            "minimum": 580999.6322,
            "name": "X",
            "position": 0,
            "stddev": 270.7256097,
            "variance": 73292.35573
          },
          {
            "average": 2374351.166,
            "count": 8598617,
            "maximum": 2374998.444,
            "minimum": 2373998.444,
            "name": "Y",
            "position": 1,
            "stddev": 255.1947211,
            "variance": 65124.34568
          },
          {
            "average": 10.79627052,
            "count": 8598617,
            "maximum": 43.48823346,
            "minimum": -4.951766536,
            "name": "Z",
            "position": 2,
            "stddev": 4.537839597,
            "variance": 20.59198821
          },
          {
            "average": 24.93120208,
            "count": 8598617,
            "maximum": 2659,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 52.01100082,
            "variance": 2705.144207
          },
          {
            "average": 1.490210112,
            "count": 8598617,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.855605682,
            "variance": 0.7320610831
          },
          {
            "average": 1.980580947,
            "count": 8598617,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.253061162,
            "variance": 1.570162276
          },
          {
            "average": 1,
            "count": 8598617,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8598617,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.359588757,
            "count": 8598617,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.440882311,
            "variance": 5.957906457
          },
          {
            "average": 20.36611997,
            "count": 8598617,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.579800577,
            "variance": 20.97457333
          },
          {
            "average": 90.50535406,
            "count": 8598617,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.36576173,
            "variance": 4404.41433
          },
          {
            "average": 5.542978365,
            "count": 8598617,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.773360226,
            "variance": 3.14480649
          },
          {
            "average": 62854707.2,
            "count": 8598617,
            "maximum": 63572608.38,
            "minimum": 62717421.47,
            "name": "GpsTime",
            "position": 12,
            "stddev": 227309.0143,
            "variance": 51669387980.0
          },
          {
            "average": 0,
            "count": 8598617,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8598617,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8598617,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8598617,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8598617,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          580999.6322,
          2373998.444,
          -4.951766536,
          581999.6322,
          2374998.444,
          43.48823346
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                580999.6321961142,
                2373998.4442995717,
                -4.951766536148842
              ],
              [
                580999.6321961142,
                2374998.4442995717,
                -4.951766536148842
              ],
              [
                581999.6321961142,
                2374998.4442995717,
                43.48823346385116
              ],
              [
                581999.6321961142,
                2373998.4442995717,
                43.48823346385116
              ],
              [
                580999.6321961142,
                2373998.4442995717,
                -4.951766536148842
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:50:08+00:00",
        "end_time": "2013-09-08T23:17:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8174.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8174.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8174.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8174.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2181858,
            21.46662018,
            -4.951766536,
            -158.2084857,
            21.47569984,
            43.48823346
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.21818580871317,
                  21.466665566731706,
                  -4.951766536148842
                ],
                [
                  -158.21813768141593,
                  21.475699835825125,
                  -4.951766536148842
                ],
                [
                  -158.2084856939001,
                  21.475654425109916,
                  43.48823346385116
                ],
                [
                  -158.20853440968003,
                  21.466620179965,
                  43.48823346385116
                ],
                [
                  -158.21818580871317,
                  21.466665566731706,
                  -4.951766536148842
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8174.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8174.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:50:08Z",
            "pc:count": 8598617,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 581394.2118,
                "count": 8598617,
                "maximum": 581999.6322,
                "minimum": 580999.6322,
                "name": "X",
                "position": 0,
                "stddev": 270.7256097,
                "variance": 73292.35573
              },
              {
                "average": 2374351.166,
                "count": 8598617,
                "maximum": 2374998.444,
                "minimum": 2373998.444,
                "name": "Y",
                "position": 1,
                "stddev": 255.1947211,
                "variance": 65124.34568
              },
              {
                "average": 10.79627052,
                "count": 8598617,
                "maximum": 43.48823346,
                "minimum": -4.951766536,
                "name": "Z",
                "position": 2,
                "stddev": 4.537839597,
                "variance": 20.59198821
              },
              {
                "average": 24.93120208,
                "count": 8598617,
                "maximum": 2659,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 52.01100082,
                "variance": 2705.144207
              },
              {
                "average": 1.490210112,
                "count": 8598617,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.855605682,
                "variance": 0.7320610831
              },
              {
                "average": 1.980580947,
                "count": 8598617,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.253061162,
                "variance": 1.570162276
              },
              {
                "average": 1,
                "count": 8598617,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8598617,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.359588757,
                "count": 8598617,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.440882311,
                "variance": 5.957906457
              },
              {
                "average": 20.36611997,
                "count": 8598617,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.579800577,
                "variance": 20.97457333
              },
              {
                "average": 90.50535406,
                "count": 8598617,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.36576173,
                "variance": 4404.41433
              },
              {
                "average": 5.542978365,
                "count": 8598617,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.773360226,
                "variance": 3.14480649
              },
              {
                "average": 62854707.2,
                "count": 8598617,
                "maximum": 63572608.38,
                "minimum": 62717421.47,
                "name": "GpsTime",
                "position": 12,
                "stddev": 227309.0143,
                "variance": 51669387980.0
              },
              {
                "average": 0,
                "count": 8598617,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8598617,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8598617,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8598617,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8598617,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              580999.6322,
              2373998.444,
              -4.951766536,
              581999.6322,
              2374998.444,
              43.48823346
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    580999.6321961142,
                    2373998.4442995717,
                    -4.951766536148842
                  ],
                  [
                    580999.6321961142,
                    2374998.4442995717,
                    -4.951766536148842
                  ],
                  [
                    581999.6321961142,
                    2374998.4442995717,
                    43.48823346385116
                  ],
                  [
                    581999.6321961142,
                    2373998.4442995717,
                    43.48823346385116
                  ],
                  [
                    580999.6321961142,
                    2373998.4442995717,
                    -4.951766536148842
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:50:08+00:00",
            "end_time": "2013-09-08T23:17:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej7976.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2373948559214,
              21.484823273636028,
              -27.808681078844067
            ],
            [
              -158.23734781369572,
              21.493857587537295,
              -27.808681078844067
            ],
            [
              -158.22769458503444,
              21.493813251732508,
              72.83131892115594
            ],
            [
              -158.2277422201868,
              21.484778959508027,
              72.83131892115594
            ],
            [
              -158.2373948559214,
              21.484823273636028,
              -27.808681078844067
            ]
          ]
        ]
      },
      "bbox": [
        -158.2373949,
        21.48477896,
        -27.80868108,
        -158.2276946,
        21.49385759,
        72.83131892
      ],
      "properties": {
        "datetime": "2013-09-18T21:11:26Z",
        "pc:count": 7433704,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579694.4392,
            "count": 7433704,
            "maximum": 579999.624,
            "minimum": 578999.624,
            "name": "X",
            "position": 0,
            "stddev": 242.0009416,
            "variance": 58564.45572
          },
          {
            "average": 2376371.874,
            "count": 7433704,
            "maximum": 2376998.444,
            "minimum": 2375998.444,
            "name": "Y",
            "position": 1,
            "stddev": 251.611323,
            "variance": 63308.25785
          },
          {
            "average": 6.708567087,
            "count": 7433704,
            "maximum": 72.83131892,
            "minimum": -27.80868108,
            "name": "Z",
            "position": 2,
            "stddev": 15.75168432,
            "variance": 248.1155588
          },
          {
            "average": 29.39990145,
            "count": 7433704,
            "maximum": 7773,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 87.63338053,
            "variance": 7679.609384
          },
          {
            "average": 1.34483684,
            "count": 7433704,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7826858392,
            "variance": 0.612597123
          },
          {
            "average": 1.673421083,
            "count": 7433704,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.217251033,
            "variance": 1.481700076
          },
          {
            "average": 1,
            "count": 7433704,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7433704,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.55812715,
            "count": 7433704,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.84472941,
            "variance": 191.6765323
          },
          {
            "average": 19.51431236,
            "count": 7433704,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.727303662,
            "variance": 32.80200724
          },
          {
            "average": 100.4127358,
            "count": 7433704,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 75.99066331,
            "variance": 5774.58091
          },
          {
            "average": 5.625620417,
            "count": 7433704,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.913931736,
            "variance": 8.490998163
          },
          {
            "average": 62933003.96,
            "count": 7433704,
            "maximum": 63573886.07,
            "minimum": 62719627.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 224077.6459,
            "variance": 50210791380.0
          },
          {
            "average": 0,
            "count": 7433704,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7433704,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7433704,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7433704,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7433704,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.624,
          2375998.444,
          -27.80868108,
          579999.624,
          2376998.444,
          72.83131892
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.623985938,
                2375998.4436051813,
                -27.808681078844067
              ],
              [
                578999.623985938,
                2376998.4436051813,
                -27.808681078844067
              ],
              [
                579999.623985938,
                2376998.4436051813,
                72.83131892115594
              ],
              [
                579999.623985938,
                2375998.4436051813,
                72.83131892115594
              ],
              [
                578999.623985938,
                2375998.4436051813,
                -27.808681078844067
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:11:26+00:00",
        "end_time": "2013-09-08T23:53:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej7976.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej7976.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej7976.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej7976.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2373949,
            21.48477896,
            -27.80868108,
            -158.2276946,
            21.49385759,
            72.83131892
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2373948559214,
                  21.484823273636028,
                  -27.808681078844067
                ],
                [
                  -158.23734781369572,
                  21.493857587537295,
                  -27.808681078844067
                ],
                [
                  -158.22769458503444,
                  21.493813251732508,
                  72.83131892115594
                ],
                [
                  -158.2277422201868,
                  21.484778959508027,
                  72.83131892115594
                ],
                [
                  -158.2373948559214,
                  21.484823273636028,
                  -27.808681078844067
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej7976.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej7976.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:11:26Z",
            "pc:count": 7433704,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579694.4392,
                "count": 7433704,
                "maximum": 579999.624,
                "minimum": 578999.624,
                "name": "X",
                "position": 0,
                "stddev": 242.0009416,
                "variance": 58564.45572
              },
              {
                "average": 2376371.874,
                "count": 7433704,
                "maximum": 2376998.444,
                "minimum": 2375998.444,
                "name": "Y",
                "position": 1,
                "stddev": 251.611323,
                "variance": 63308.25785
              },
              {
                "average": 6.708567087,
                "count": 7433704,
                "maximum": 72.83131892,
                "minimum": -27.80868108,
                "name": "Z",
                "position": 2,
                "stddev": 15.75168432,
                "variance": 248.1155588
              },
              {
                "average": 29.39990145,
                "count": 7433704,
                "maximum": 7773,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 87.63338053,
                "variance": 7679.609384
              },
              {
                "average": 1.34483684,
                "count": 7433704,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7826858392,
                "variance": 0.612597123
              },
              {
                "average": 1.673421083,
                "count": 7433704,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.217251033,
                "variance": 1.481700076
              },
              {
                "average": 1,
                "count": 7433704,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7433704,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.55812715,
                "count": 7433704,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.84472941,
                "variance": 191.6765323
              },
              {
                "average": 19.51431236,
                "count": 7433704,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.727303662,
                "variance": 32.80200724
              },
              {
                "average": 100.4127358,
                "count": 7433704,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 75.99066331,
                "variance": 5774.58091
              },
              {
                "average": 5.625620417,
                "count": 7433704,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.913931736,
                "variance": 8.490998163
              },
              {
                "average": 62933003.96,
                "count": 7433704,
                "maximum": 63573886.07,
                "minimum": 62719627.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 224077.6459,
                "variance": 50210791380.0
              },
              {
                "average": 0,
                "count": 7433704,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7433704,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7433704,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7433704,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7433704,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.624,
              2375998.444,
              -27.80868108,
              579999.624,
              2376998.444,
              72.83131892
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.623985938,
                    2375998.4436051813,
                    -27.808681078844067
                  ],
                  [
                    578999.623985938,
                    2376998.4436051813,
                    -27.808681078844067
                  ],
                  [
                    579999.623985938,
                    2376998.4436051813,
                    72.83131892115594
                  ],
                  [
                    579999.623985938,
                    2375998.4436051813,
                    72.83131892115594
                  ],
                  [
                    578999.623985938,
                    2375998.4436051813,
                    -27.808681078844067
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:11:26+00:00",
            "end_time": "2013-09-08T23:53:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9155.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12269666799756,
              21.294537241573593,
              -30.037434294478675
            ],
            [
              -158.12264304559588,
              21.303571681839593,
              -30.037434294478675
            ],
            [
              -158.11300240384097,
              21.303521137577274,
              4.502565705521324
            ],
            [
              -158.11305661513856,
              21.29448672102256,
              4.502565705521324
            ],
            [
              -158.12269666799756,
              21.294537241573593,
              -30.037434294478675
            ]
          ]
        ]
      },
      "bbox": [
        -158.1226967,
        21.29448672,
        -30.03743429,
        -158.1130024,
        21.30357168,
        4.502565706
      ],
      "properties": {
        "datetime": "2013-09-19T00:49:01Z",
        "pc:count": 5762608,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591533.0275,
            "count": 5762608,
            "maximum": 591999.6761,
            "minimum": 590999.6561,
            "name": "X",
            "position": 0,
            "stddev": 253.4046313,
            "variance": 64213.90715
          },
          {
            "average": 2355446.703,
            "count": 5762608,
            "maximum": 2355998.473,
            "minimum": 2354998.453,
            "name": "Y",
            "position": 1,
            "stddev": 258.3312415,
            "variance": 66735.03032
          },
          {
            "average": -7.049019516,
            "count": 5762608,
            "maximum": 4.502565706,
            "minimum": -30.03743429,
            "name": "Z",
            "position": 2,
            "stddev": 3.267370473,
            "variance": 10.67570981
          },
          {
            "average": 21.75508017,
            "count": 5762608,
            "maximum": 8755,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 77.40998255,
            "variance": 5992.305399
          },
          {
            "average": 1.01305225,
            "count": 5762608,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1151046736,
            "variance": 0.01324908588
          },
          {
            "average": 1.018190375,
            "count": 5762608,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1361441299,
            "variance": 0.0185352241
          },
          {
            "average": 1,
            "count": 5762608,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5762608,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.91997634,
            "count": 5762608,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.483487537,
            "variance": 2.200735273
          },
          {
            "average": 12.16554066,
            "count": 5762608,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.0039611,
            "variance": 100.0792378
          },
          {
            "average": 97.83983623,
            "count": 5762608,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.634185,
            "variance": 4848.91972
          },
          {
            "average": 7.135281109,
            "count": 5762608,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.170809476,
            "variance": 4.71241378
          },
          {
            "average": 63167546.74,
            "count": 5762608,
            "maximum": 63586941.54,
            "minimum": 62722932.19,
            "name": "GpsTime",
            "position": 12,
            "stddev": 272804.1745,
            "variance": 74422117610.0
          },
          {
            "average": 0,
            "count": 5762608,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5762608,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5762608,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5762608,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5762608,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6561,
          2354998.453,
          -30.03743429,
          591999.6761,
          2355998.473,
          4.502565706
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6560775421,
                2354998.453404017,
                -30.037434294478675
              ],
              [
                590999.6560775421,
                2355998.4734040163,
                -30.037434294478675
              ],
              [
                591999.6760775421,
                2355998.4734040163,
                4.502565705521324
              ],
              [
                591999.6760775421,
                2354998.453404017,
                4.502565705521324
              ],
              [
                590999.6560775421,
                2354998.453404017,
                -30.037434294478675
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:49:01+00:00",
        "end_time": "2013-09-09T00:48:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9155.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9155.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9155.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9155.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1226967,
            21.29448672,
            -30.03743429,
            -158.1130024,
            21.30357168,
            4.502565706
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12269666799756,
                  21.294537241573593,
                  -30.037434294478675
                ],
                [
                  -158.12264304559588,
                  21.303571681839593,
                  -30.037434294478675
                ],
                [
                  -158.11300240384097,
                  21.303521137577274,
                  4.502565705521324
                ],
                [
                  -158.11305661513856,
                  21.29448672102256,
                  4.502565705521324
                ],
                [
                  -158.12269666799756,
                  21.294537241573593,
                  -30.037434294478675
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9155.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9155.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:49:01Z",
            "pc:count": 5762608,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591533.0275,
                "count": 5762608,
                "maximum": 591999.6761,
                "minimum": 590999.6561,
                "name": "X",
                "position": 0,
                "stddev": 253.4046313,
                "variance": 64213.90715
              },
              {
                "average": 2355446.703,
                "count": 5762608,
                "maximum": 2355998.473,
                "minimum": 2354998.453,
                "name": "Y",
                "position": 1,
                "stddev": 258.3312415,
                "variance": 66735.03032
              },
              {
                "average": -7.049019516,
                "count": 5762608,
                "maximum": 4.502565706,
                "minimum": -30.03743429,
                "name": "Z",
                "position": 2,
                "stddev": 3.267370473,
                "variance": 10.67570981
              },
              {
                "average": 21.75508017,
                "count": 5762608,
                "maximum": 8755,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 77.40998255,
                "variance": 5992.305399
              },
              {
                "average": 1.01305225,
                "count": 5762608,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1151046736,
                "variance": 0.01324908588
              },
              {
                "average": 1.018190375,
                "count": 5762608,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1361441299,
                "variance": 0.0185352241
              },
              {
                "average": 1,
                "count": 5762608,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5762608,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.91997634,
                "count": 5762608,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.483487537,
                "variance": 2.200735273
              },
              {
                "average": 12.16554066,
                "count": 5762608,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.0039611,
                "variance": 100.0792378
              },
              {
                "average": 97.83983623,
                "count": 5762608,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.634185,
                "variance": 4848.91972
              },
              {
                "average": 7.135281109,
                "count": 5762608,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.170809476,
                "variance": 4.71241378
              },
              {
                "average": 63167546.74,
                "count": 5762608,
                "maximum": 63586941.54,
                "minimum": 62722932.19,
                "name": "GpsTime",
                "position": 12,
                "stddev": 272804.1745,
                "variance": 74422117610.0
              },
              {
                "average": 0,
                "count": 5762608,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5762608,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5762608,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5762608,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5762608,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6561,
              2354998.453,
              -30.03743429,
              591999.6761,
              2355998.473,
              4.502565706
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6560775421,
                    2354998.453404017,
                    -30.037434294478675
                  ],
                  [
                    590999.6560775421,
                    2355998.4734040163,
                    -30.037434294478675
                  ],
                  [
                    591999.6760775421,
                    2355998.4734040163,
                    4.502565705521324
                  ],
                  [
                    591999.6760775421,
                    2354998.453404017,
                    4.502565705521324
                  ],
                  [
                    590999.6560775421,
                    2354998.453404017,
                    -30.037434294478675
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:49:01+00:00",
            "end_time": "2013-09-09T00:48:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8175.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.21813768481712,
              21.47569983510426,
              2.178265427177459
            ],
            [
              -158.21811339322363,
              21.480254014999783,
              2.178265427177459
            ],
            [
              -158.21475632410642,
              21.480238281039142,
              26.858265427177457
            ],
            [
              -158.21478071970992,
              21.47568410496787,
              26.858265427177457
            ],
            [
              -158.21813768481712,
              21.47569983510426,
              2.178265427177459
            ]
          ]
        ]
      },
      "bbox": [
        -158.2181377,
        21.4756841,
        2.178265427,
        -158.2147563,
        21.48025401,
        26.85826543
      ],
      "properties": {
        "datetime": "2013-09-10T23:38:02Z",
        "pc:count": 692602,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 581138.9859,
            "count": 692602,
            "maximum": 581347.4318,
            "minimum": 580999.6318,
            "name": "X",
            "position": 0,
            "stddev": 99.62361218,
            "variance": 9924.864104
          },
          {
            "average": 2375177.731,
            "count": 692602,
            "maximum": 2375502.544,
            "minimum": 2374998.444,
            "name": "Y",
            "position": 1,
            "stddev": 132.5304505,
            "variance": 17564.3203
          },
          {
            "average": 10.43841131,
            "count": 692602,
            "maximum": 26.85826543,
            "minimum": 2.178265427,
            "name": "Z",
            "position": 2,
            "stddev": 3.534584242,
            "variance": 12.49328576
          },
          {
            "average": 6.760533467,
            "count": 692602,
            "maximum": 754,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.89318647,
            "variance": 221.8070033
          },
          {
            "average": 2.08640027,
            "count": 692602,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.063769219,
            "variance": 1.131604952
          },
          {
            "average": 3.168938294,
            "count": 692602,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.171695909,
            "variance": 1.372871303
          },
          {
            "average": 1,
            "count": 692602,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 692602,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.137773209,
            "count": 692602,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3446620421,
            "variance": 0.1187919233
          },
          {
            "average": 27.98120466,
            "count": 692602,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.059575308,
            "variance": 82.07590476
          },
          {
            "average": 89.46169229,
            "count": 692602,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.74801201,
            "variance": 4864.78518
          },
          {
            "average": 5.914480466,
            "count": 692602,
            "maximum": 6,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.2796534568,
            "variance": 0.07820605588
          },
          {
            "average": 62733646.28,
            "count": 692602,
            "maximum": 62891482.15,
            "minimum": 62718881.83,
            "name": "GpsTime",
            "position": 12,
            "stddev": 48266.5005,
            "variance": 2329655071
          },
          {
            "average": 0,
            "count": 692602,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 692602,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 692602,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 692602,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 692602,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          580999.6318,
          2374998.444,
          2.178265427,
          581347.4318,
          2375502.544,
          26.85826543
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                580999.6318441416,
                2374998.4442180204,
                2.178265427177459
              ],
              [
                580999.6318441416,
                2375502.54421802,
                2.178265427177459
              ],
              [
                581347.4318441417,
                2375502.54421802,
                26.858265427177457
              ],
              [
                581347.4318441417,
                2374998.4442180204,
                26.858265427177457
              ],
              [
                580999.6318441416,
                2374998.4442180204,
                2.178265427177459
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:38:02+00:00",
        "end_time": "2013-09-08T23:41:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8175.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8175.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8175.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8175.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2181377,
            21.4756841,
            2.178265427,
            -158.2147563,
            21.48025401,
            26.85826543
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.21813768481712,
                  21.47569983510426,
                  2.178265427177459
                ],
                [
                  -158.21811339322363,
                  21.480254014999783,
                  2.178265427177459
                ],
                [
                  -158.21475632410642,
                  21.480238281039142,
                  26.858265427177457
                ],
                [
                  -158.21478071970992,
                  21.47568410496787,
                  26.858265427177457
                ],
                [
                  -158.21813768481712,
                  21.47569983510426,
                  2.178265427177459
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8175.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8175.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:38:02Z",
            "pc:count": 692602,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 581138.9859,
                "count": 692602,
                "maximum": 581347.4318,
                "minimum": 580999.6318,
                "name": "X",
                "position": 0,
                "stddev": 99.62361218,
                "variance": 9924.864104
              },
              {
                "average": 2375177.731,
                "count": 692602,
                "maximum": 2375502.544,
                "minimum": 2374998.444,
                "name": "Y",
                "position": 1,
                "stddev": 132.5304505,
                "variance": 17564.3203
              },
              {
                "average": 10.43841131,
                "count": 692602,
                "maximum": 26.85826543,
                "minimum": 2.178265427,
                "name": "Z",
                "position": 2,
                "stddev": 3.534584242,
                "variance": 12.49328576
              },
              {
                "average": 6.760533467,
                "count": 692602,
                "maximum": 754,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.89318647,
                "variance": 221.8070033
              },
              {
                "average": 2.08640027,
                "count": 692602,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.063769219,
                "variance": 1.131604952
              },
              {
                "average": 3.168938294,
                "count": 692602,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.171695909,
                "variance": 1.372871303
              },
              {
                "average": 1,
                "count": 692602,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 692602,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.137773209,
                "count": 692602,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3446620421,
                "variance": 0.1187919233
              },
              {
                "average": 27.98120466,
                "count": 692602,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.059575308,
                "variance": 82.07590476
              },
              {
                "average": 89.46169229,
                "count": 692602,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.74801201,
                "variance": 4864.78518
              },
              {
                "average": 5.914480466,
                "count": 692602,
                "maximum": 6,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.2796534568,
                "variance": 0.07820605588
              },
              {
                "average": 62733646.28,
                "count": 692602,
                "maximum": 62891482.15,
                "minimum": 62718881.83,
                "name": "GpsTime",
                "position": 12,
                "stddev": 48266.5005,
                "variance": 2329655071
              },
              {
                "average": 0,
                "count": 692602,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 692602,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 692602,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 692602,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 692602,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              580999.6318,
              2374998.444,
              2.178265427,
              581347.4318,
              2375502.544,
              26.85826543
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    580999.6318441416,
                    2374998.4442180204,
                    2.178265427177459
                  ],
                  [
                    580999.6318441416,
                    2375502.54421802,
                    2.178265427177459
                  ],
                  [
                    581347.4318441417,
                    2375502.54421802,
                    26.858265427177457
                  ],
                  [
                    581347.4318441417,
                    2374998.4442180204,
                    26.858265427177457
                  ],
                  [
                    580999.6318441416,
                    2374998.4442180204,
                    2.178265427177459
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:38:02+00:00",
            "end_time": "2013-09-08T23:41:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8185.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.21761390154228,
              21.57368550320257,
              3.217753413587211
            ],
            [
              -158.2176064605088,
              21.575076583001334,
              3.217753413587211
            ],
            [
              -158.20794790675544,
              21.575030939999237,
              129.0177534135872
            ],
            [
              -158.20795544106528,
              21.573639862924107,
              129.0177534135872
            ],
            [
              -158.21761390154228,
              21.57368550320257,
              3.217753413587211
            ]
          ]
        ]
      },
      "bbox": [
        -158.2176139,
        21.57363986,
        3.217753414,
        -158.2079479,
        21.57507658,
        129.0177534
      ],
      "properties": {
        "datetime": "2013-09-11T20:42:49Z",
        "pc:count": 540138,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 581703.5068,
            "count": 540138,
            "maximum": 581999.5925,
            "minimum": 580999.5925,
            "name": "X",
            "position": 0,
            "stddev": 311.748765,
            "variance": 97187.29246
          },
          {
            "average": 2385953.433,
            "count": 540138,
            "maximum": 2385998.468,
            "minimum": 2385844.488,
            "name": "Y",
            "position": 1,
            "stddev": 40.34271204,
            "variance": 1627.534415
          },
          {
            "average": 48.86411436,
            "count": 540138,
            "maximum": 129.0177534,
            "minimum": 3.217753414,
            "name": "Z",
            "position": 2,
            "stddev": 26.44308972,
            "variance": 699.2369938
          },
          {
            "average": 8.308180502,
            "count": 540138,
            "maximum": 509,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.42249023,
            "variance": 208.0082243
          },
          {
            "average": 2.051388719,
            "count": 540138,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.054289584,
            "variance": 1.111526526
          },
          {
            "average": 3.075804702,
            "count": 540138,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.186509281,
            "variance": 1.407804273
          },
          {
            "average": 1,
            "count": 540138,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 540138,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.130814718,
            "count": 540138,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3371979209,
            "variance": 0.1137024379
          },
          {
            "average": 23.48974034,
            "count": 540138,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.343557548,
            "variance": 18.86649217
          },
          {
            "average": 89.70509018,
            "count": 540138,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.01661139,
            "variance": 4763.292648
          },
          {
            "average": 3.87012208,
            "count": 540138,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.286799038,
            "variance": 1.655851764
          },
          {
            "average": 62958507.14,
            "count": 540138,
            "maximum": 62967369.38,
            "minimum": 62866291.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 27944.37827,
            "variance": 780888276.7
          },
          {
            "average": 0,
            "count": 540138,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 540138,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 540138,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 540138,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 540138,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          580999.5925,
          2385844.488,
          3.217753414,
          581999.5925,
          2385998.468,
          129.0177534
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                580999.5925356408,
                2385844.4879444577,
                3.217753413587211
              ],
              [
                580999.5925356408,
                2385998.467944458,
                3.217753413587211
              ],
              [
                581999.5925356408,
                2385998.467944458,
                129.0177534135872
              ],
              [
                581999.5925356408,
                2385844.4879444577,
                129.0177534135872
              ],
              [
                580999.5925356408,
                2385844.4879444577,
                3.217753413587211
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:42:49+00:00",
        "end_time": "2013-09-10T16:38:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8185.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8185.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8185.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8185.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2176139,
            21.57363986,
            3.217753414,
            -158.2079479,
            21.57507658,
            129.0177534
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.21761390154228,
                  21.57368550320257,
                  3.217753413587211
                ],
                [
                  -158.2176064605088,
                  21.575076583001334,
                  3.217753413587211
                ],
                [
                  -158.20794790675544,
                  21.575030939999237,
                  129.0177534135872
                ],
                [
                  -158.20795544106528,
                  21.573639862924107,
                  129.0177534135872
                ],
                [
                  -158.21761390154228,
                  21.57368550320257,
                  3.217753413587211
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8185.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8185.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:42:49Z",
            "pc:count": 540138,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 581703.5068,
                "count": 540138,
                "maximum": 581999.5925,
                "minimum": 580999.5925,
                "name": "X",
                "position": 0,
                "stddev": 311.748765,
                "variance": 97187.29246
              },
              {
                "average": 2385953.433,
                "count": 540138,
                "maximum": 2385998.468,
                "minimum": 2385844.488,
                "name": "Y",
                "position": 1,
                "stddev": 40.34271204,
                "variance": 1627.534415
              },
              {
                "average": 48.86411436,
                "count": 540138,
                "maximum": 129.0177534,
                "minimum": 3.217753414,
                "name": "Z",
                "position": 2,
                "stddev": 26.44308972,
                "variance": 699.2369938
              },
              {
                "average": 8.308180502,
                "count": 540138,
                "maximum": 509,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.42249023,
                "variance": 208.0082243
              },
              {
                "average": 2.051388719,
                "count": 540138,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.054289584,
                "variance": 1.111526526
              },
              {
                "average": 3.075804702,
                "count": 540138,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.186509281,
                "variance": 1.407804273
              },
              {
                "average": 1,
                "count": 540138,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 540138,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.130814718,
                "count": 540138,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3371979209,
                "variance": 0.1137024379
              },
              {
                "average": 23.48974034,
                "count": 540138,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.343557548,
                "variance": 18.86649217
              },
              {
                "average": 89.70509018,
                "count": 540138,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.01661139,
                "variance": 4763.292648
              },
              {
                "average": 3.87012208,
                "count": 540138,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.286799038,
                "variance": 1.655851764
              },
              {
                "average": 62958507.14,
                "count": 540138,
                "maximum": 62967369.38,
                "minimum": 62866291.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 27944.37827,
                "variance": 780888276.7
              },
              {
                "average": 0,
                "count": 540138,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 540138,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 540138,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 540138,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 540138,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              580999.5925,
              2385844.488,
              3.217753414,
              581999.5925,
              2385998.468,
              129.0177534
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    580999.5925356408,
                    2385844.4879444577,
                    3.217753413587211
                  ],
                  [
                    580999.5925356408,
                    2385998.467944458,
                    3.217753413587211
                  ],
                  [
                    581999.5925356408,
                    2385998.467944458,
                    129.0177534135872
                  ],
                  [
                    581999.5925356408,
                    2385844.4879444577,
                    129.0177534135872
                  ],
                  [
                    580999.5925356408,
                    2385844.4879444577,
                    3.217753413587211
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:42:49+00:00",
            "end_time": "2013-09-10T16:38:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej7977.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.23734778800366,
              21.49385749493711,
              -21.002482185051797
            ],
            [
              -158.23730071936868,
              21.502891979830984,
              -21.002482185051797
            ],
            [
              -158.22764689710135,
              21.50284762248727,
              33.2575178149482
            ],
            [
              -158.22769455934855,
              21.493813159131037,
              33.2575178149482
            ],
            [
              -158.23734778800366,
              21.49385749493711,
              -21.002482185051797
            ]
          ]
        ]
      },
      "bbox": [
        -158.2373478,
        21.49381316,
        -21.00248219,
        -158.2276469,
        21.50289198,
        33.25751781
      ],
      "properties": {
        "datetime": "2013-09-12T18:04:00Z",
        "pc:count": 4159398,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579765.7663,
            "count": 4159398,
            "maximum": 579999.6267,
            "minimum": 578999.6267,
            "name": "X",
            "position": 0,
            "stddev": 244.9475552,
            "variance": 59999.3048
          },
          {
            "average": 2377518.308,
            "count": 4159398,
            "maximum": 2377998.453,
            "minimum": 2376998.433,
            "name": "Y",
            "position": 1,
            "stddev": 301.1532736,
            "variance": 90693.29419
          },
          {
            "average": 5.607919229,
            "count": 4159398,
            "maximum": 33.25751781,
            "minimum": -21.00248219,
            "name": "Z",
            "position": 2,
            "stddev": 9.338253347,
            "variance": 87.20297558
          },
          {
            "average": 17.48666922,
            "count": 4159398,
            "maximum": 2485,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.56121263,
            "variance": 1336.722269
          },
          {
            "average": 1.754308917,
            "count": 4159398,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.094762372,
            "variance": 1.198504651
          },
          {
            "average": 2.485706585,
            "count": 4159398,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.615849394,
            "variance": 2.610969265
          },
          {
            "average": 1,
            "count": 4159398,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4159398,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.80031317,
            "count": 4159398,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.41400228,
            "variance": 154.1074525
          },
          {
            "average": 18.79649443,
            "count": 4159398,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.686707581,
            "variance": 32.33864311
          },
          {
            "average": 105.2353646,
            "count": 4159398,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 78.13218164,
            "variance": 6104.637808
          },
          {
            "average": 3.455509668,
            "count": 4159398,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.558239467,
            "variance": 2.428110236
          },
          {
            "average": 63042360.5,
            "count": 4159398,
            "maximum": 63044240.38,
            "minimum": 63041302.82,
            "name": "GpsTime",
            "position": 12,
            "stddev": 652.8099089,
            "variance": 426160.7772
          },
          {
            "average": 0,
            "count": 4159398,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4159398,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4159398,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4159398,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4159398,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.6267,
          2376998.433,
          -21.00248219,
          579999.6267,
          2377998.453,
          33.25751781
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.6266973322,
                2376998.4333685683,
                -21.002482185051797
              ],
              [
                578999.6266973322,
                2377998.453368568,
                -21.002482185051797
              ],
              [
                579999.6266973322,
                2377998.453368568,
                33.2575178149482
              ],
              [
                579999.6266973322,
                2376998.4333685683,
                33.2575178149482
              ],
              [
                578999.6266973322,
                2376998.4333685683,
                -21.002482185051797
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:04:00+00:00",
        "end_time": "2013-09-12T17:15:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej7977.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej7977.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej7977.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7977.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2373478,
            21.49381316,
            -21.00248219,
            -158.2276469,
            21.50289198,
            33.25751781
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.23734778800366,
                  21.49385749493711,
                  -21.002482185051797
                ],
                [
                  -158.23730071936868,
                  21.502891979830984,
                  -21.002482185051797
                ],
                [
                  -158.22764689710135,
                  21.50284762248727,
                  33.2575178149482
                ],
                [
                  -158.22769455934855,
                  21.493813159131037,
                  33.2575178149482
                ],
                [
                  -158.23734778800366,
                  21.49385749493711,
                  -21.002482185051797
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej7977.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7977.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:04:00Z",
            "pc:count": 4159398,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579765.7663,
                "count": 4159398,
                "maximum": 579999.6267,
                "minimum": 578999.6267,
                "name": "X",
                "position": 0,
                "stddev": 244.9475552,
                "variance": 59999.3048
              },
              {
                "average": 2377518.308,
                "count": 4159398,
                "maximum": 2377998.453,
                "minimum": 2376998.433,
                "name": "Y",
                "position": 1,
                "stddev": 301.1532736,
                "variance": 90693.29419
              },
              {
                "average": 5.607919229,
                "count": 4159398,
                "maximum": 33.25751781,
                "minimum": -21.00248219,
                "name": "Z",
                "position": 2,
                "stddev": 9.338253347,
                "variance": 87.20297558
              },
              {
                "average": 17.48666922,
                "count": 4159398,
                "maximum": 2485,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.56121263,
                "variance": 1336.722269
              },
              {
                "average": 1.754308917,
                "count": 4159398,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.094762372,
                "variance": 1.198504651
              },
              {
                "average": 2.485706585,
                "count": 4159398,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.615849394,
                "variance": 2.610969265
              },
              {
                "average": 1,
                "count": 4159398,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4159398,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.80031317,
                "count": 4159398,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.41400228,
                "variance": 154.1074525
              },
              {
                "average": 18.79649443,
                "count": 4159398,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.686707581,
                "variance": 32.33864311
              },
              {
                "average": 105.2353646,
                "count": 4159398,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 78.13218164,
                "variance": 6104.637808
              },
              {
                "average": 3.455509668,
                "count": 4159398,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.558239467,
                "variance": 2.428110236
              },
              {
                "average": 63042360.5,
                "count": 4159398,
                "maximum": 63044240.38,
                "minimum": 63041302.82,
                "name": "GpsTime",
                "position": 12,
                "stddev": 652.8099089,
                "variance": 426160.7772
              },
              {
                "average": 0,
                "count": 4159398,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4159398,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4159398,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4159398,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4159398,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.6267,
              2376998.433,
              -21.00248219,
              579999.6267,
              2377998.453,
              33.25751781
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.6266973322,
                    2376998.4333685683,
                    -21.002482185051797
                  ],
                  [
                    578999.6266973322,
                    2377998.453368568,
                    -21.002482185051797
                  ],
                  [
                    579999.6266973322,
                    2377998.453368568,
                    33.2575178149482
                  ],
                  [
                    579999.6266973322,
                    2376998.4333685683,
                    33.2575178149482
                  ],
                  [
                    578999.6266973322,
                    2376998.4333685683,
                    -21.002482185051797
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:04:00+00:00",
            "end_time": "2013-09-12T17:15:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9156.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1226430149443,
              21.30357161858376,
              -9.317224234920303
            ],
            [
              -158.1225893701191,
              21.31260586274681,
              -9.317224234920303
            ],
            [
              -158.1129481390331,
              21.312555294885367,
              64.8227757650797
            ],
            [
              -158.11300237319358,
              21.303521074319814,
              64.8227757650797
            ],
            [
              -158.1226430149443,
              21.30357161858376,
              -9.317224234920303
            ]
          ]
        ]
      },
      "bbox": [
        -158.122643,
        21.30352107,
        -9.317224235,
        -158.1129481,
        21.31260586,
        64.82277577
      ],
      "properties": {
        "datetime": "2013-10-08T22:25:04Z",
        "pc:count": 5608403,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591626.2683,
            "count": 5608403,
            "maximum": 591999.6793,
            "minimum": 590999.6593,
            "name": "X",
            "position": 0,
            "stddev": 269.6996252,
            "variance": 72737.88781
          },
          {
            "average": 2356607.668,
            "count": 5608403,
            "maximum": 2356998.466,
            "minimum": 2355998.466,
            "name": "Y",
            "position": 1,
            "stddev": 282.7591456,
            "variance": 79952.73444
          },
          {
            "average": -0.1476585796,
            "count": 5608403,
            "maximum": 64.82277577,
            "minimum": -9.317224235,
            "name": "Z",
            "position": 2,
            "stddev": 5.26593687,
            "variance": 27.73009112
          },
          {
            "average": 28.40104483,
            "count": 5608403,
            "maximum": 8263,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 61.6285732,
            "variance": 3798.081035
          },
          {
            "average": 1.12756323,
            "count": 5608403,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4543416655,
            "variance": 0.206426349
          },
          {
            "average": 1.249764683,
            "count": 5608403,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7048575161,
            "variance": 0.496824118
          },
          {
            "average": 1,
            "count": 5608403,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5608403,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.5704385,
            "count": 5608403,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.88005093,
            "variance": 192.6558139
          },
          {
            "average": 18.1088189,
            "count": 5608403,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.141236804,
            "variance": 37.71478948
          },
          {
            "average": 96.2065194,
            "count": 5608403,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.34032841,
            "variance": 4670.400487
          },
          {
            "average": 5.48734301,
            "count": 5608403,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.827516166,
            "variance": 14.64988
          },
          {
            "average": 63503357.87,
            "count": 5608403,
            "maximum": 65306304.32,
            "minimum": 62721742.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 672798.788,
            "variance": 452658209100.0
          },
          {
            "average": 0,
            "count": 5608403,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5608403,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5608403,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5608403,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5608403,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6593,
          2355998.466,
          -9.317224235,
          591999.6793,
          2356998.466,
          64.82277577
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6592958682,
                2355998.466420144,
                -9.317224234920303
              ],
              [
                590999.6592958682,
                2356998.466420144,
                -9.317224234920303
              ],
              [
                591999.6792958683,
                2356998.466420144,
                64.8227757650797
              ],
              [
                591999.6792958683,
                2355998.466420144,
                64.8227757650797
              ],
              [
                590999.6592958682,
                2355998.466420144,
                -9.317224234920303
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:25:04+00:00",
        "end_time": "2013-09-09T00:29:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9156.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9156.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9156.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9156.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.122643,
            21.30352107,
            -9.317224235,
            -158.1129481,
            21.31260586,
            64.82277577
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1226430149443,
                  21.30357161858376,
                  -9.317224234920303
                ],
                [
                  -158.1225893701191,
                  21.31260586274681,
                  -9.317224234920303
                ],
                [
                  -158.1129481390331,
                  21.312555294885367,
                  64.8227757650797
                ],
                [
                  -158.11300237319358,
                  21.303521074319814,
                  64.8227757650797
                ],
                [
                  -158.1226430149443,
                  21.30357161858376,
                  -9.317224234920303
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9156.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9156.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:25:04Z",
            "pc:count": 5608403,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591626.2683,
                "count": 5608403,
                "maximum": 591999.6793,
                "minimum": 590999.6593,
                "name": "X",
                "position": 0,
                "stddev": 269.6996252,
                "variance": 72737.88781
              },
              {
                "average": 2356607.668,
                "count": 5608403,
                "maximum": 2356998.466,
                "minimum": 2355998.466,
                "name": "Y",
                "position": 1,
                "stddev": 282.7591456,
                "variance": 79952.73444
              },
              {
                "average": -0.1476585796,
                "count": 5608403,
                "maximum": 64.82277577,
                "minimum": -9.317224235,
                "name": "Z",
                "position": 2,
                "stddev": 5.26593687,
                "variance": 27.73009112
              },
              {
                "average": 28.40104483,
                "count": 5608403,
                "maximum": 8263,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 61.6285732,
                "variance": 3798.081035
              },
              {
                "average": 1.12756323,
                "count": 5608403,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4543416655,
                "variance": 0.206426349
              },
              {
                "average": 1.249764683,
                "count": 5608403,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7048575161,
                "variance": 0.496824118
              },
              {
                "average": 1,
                "count": 5608403,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5608403,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.5704385,
                "count": 5608403,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.88005093,
                "variance": 192.6558139
              },
              {
                "average": 18.1088189,
                "count": 5608403,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.141236804,
                "variance": 37.71478948
              },
              {
                "average": 96.2065194,
                "count": 5608403,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.34032841,
                "variance": 4670.400487
              },
              {
                "average": 5.48734301,
                "count": 5608403,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.827516166,
                "variance": 14.64988
              },
              {
                "average": 63503357.87,
                "count": 5608403,
                "maximum": 65306304.32,
                "minimum": 62721742.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 672798.788,
                "variance": 452658209100.0
              },
              {
                "average": 0,
                "count": 5608403,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5608403,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5608403,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5608403,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5608403,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6593,
              2355998.466,
              -9.317224235,
              591999.6793,
              2356998.466,
              64.82277577
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6592958682,
                    2355998.466420144,
                    -9.317224234920303
                  ],
                  [
                    590999.6592958682,
                    2356998.466420144,
                    -9.317224234920303
                  ],
                  [
                    591999.6792958683,
                    2356998.466420144,
                    64.8227757650797
                  ],
                  [
                    591999.6792958683,
                    2355998.466420144,
                    64.8227757650797
                  ],
                  [
                    590999.6592958682,
                    2355998.466420144,
                    -9.317224234920303
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:25:04+00:00",
            "end_time": "2013-09-09T00:29:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej7978.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2373008538411,
              21.502891800391417,
              -18.935288833903673
            ],
            [
              -158.23725375973558,
              21.511926275590522,
              -18.935288833903673
            ],
            [
              -158.22759915010516,
              21.511881895964127,
              29.44471116609633
            ],
            [
              -158.22764683850914,
              21.50284744216312,
              29.44471116609633
            ],
            [
              -158.2373008538411,
              21.502891800391417,
              -18.935288833903673
            ]
          ]
        ]
      },
      "bbox": [
        -158.2373009,
        21.50284744,
        -18.93528883,
        -158.2275992,
        21.51192628,
        29.44471117
      ],
      "properties": {
        "datetime": "2013-09-12T18:04:15Z",
        "pc:count": 4053078,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579751.798,
            "count": 4053078,
            "maximum": 579999.6329,
            "minimum": 578999.6129,
            "name": "X",
            "position": 0,
            "stddev": 277.9380397,
            "variance": 77249.55391
          },
          {
            "average": 2378473.901,
            "count": 4053078,
            "maximum": 2378998.453,
            "minimum": 2377998.433,
            "name": "Y",
            "position": 1,
            "stddev": 295.9855927,
            "variance": 87607.47111
          },
          {
            "average": 5.602136636,
            "count": 4053078,
            "maximum": 29.44471117,
            "minimum": -18.93528883,
            "name": "Z",
            "position": 2,
            "stddev": 10.54236885,
            "variance": 111.1415409
          },
          {
            "average": 11.78579021,
            "count": 4053078,
            "maximum": 1081,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 26.23257226,
            "variance": 688.1478472
          },
          {
            "average": 1.807855413,
            "count": 4053078,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.139039132,
            "variance": 1.297410144
          },
          {
            "average": 2.582529623,
            "count": 4053078,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.682935891,
            "variance": 2.832273215
          },
          {
            "average": 1,
            "count": 4053078,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4053078,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.76489646,
            "count": 4053078,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.53562956,
            "variance": 183.2132675
          },
          {
            "average": 19.39902131,
            "count": 4053078,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.257898543,
            "variance": 18.1297
          },
          {
            "average": 104.0588274,
            "count": 4053078,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 78.547834,
            "variance": 6169.762226
          },
          {
            "average": 3.546224622,
            "count": 4053078,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.771840031,
            "variance": 3.139417096
          },
          {
            "average": 63042410.61,
            "count": 4053078,
            "maximum": 63044255.05,
            "minimum": 63041317.83,
            "name": "GpsTime",
            "position": 12,
            "stddev": 740.4596159,
            "variance": 548280.4427
          },
          {
            "average": 0,
            "count": 4053078,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4053078,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4053078,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4053078,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4053078,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.6129,
          2377998.433,
          -18.93528883,
          579999.6329,
          2378998.453,
          29.44471117
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.6128650906,
                2377998.433439045,
                -18.935288833903673
              ],
              [
                578999.6128650906,
                2378998.4534390448,
                -18.935288833903673
              ],
              [
                579999.6328650906,
                2378998.4534390448,
                29.44471116609633
              ],
              [
                579999.6328650906,
                2377998.433439045,
                29.44471116609633
              ],
              [
                578999.6128650906,
                2377998.433439045,
                -18.935288833903673
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:04:15+00:00",
        "end_time": "2013-09-12T17:15:17+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej7978.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej7978.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej7978.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7978.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2373009,
            21.50284744,
            -18.93528883,
            -158.2275992,
            21.51192628,
            29.44471117
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2373008538411,
                  21.502891800391417,
                  -18.935288833903673
                ],
                [
                  -158.23725375973558,
                  21.511926275590522,
                  -18.935288833903673
                ],
                [
                  -158.22759915010516,
                  21.511881895964127,
                  29.44471116609633
                ],
                [
                  -158.22764683850914,
                  21.50284744216312,
                  29.44471116609633
                ],
                [
                  -158.2373008538411,
                  21.502891800391417,
                  -18.935288833903673
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej7978.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7978.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:04:15Z",
            "pc:count": 4053078,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579751.798,
                "count": 4053078,
                "maximum": 579999.6329,
                "minimum": 578999.6129,
                "name": "X",
                "position": 0,
                "stddev": 277.9380397,
                "variance": 77249.55391
              },
              {
                "average": 2378473.901,
                "count": 4053078,
                "maximum": 2378998.453,
                "minimum": 2377998.433,
                "name": "Y",
                "position": 1,
                "stddev": 295.9855927,
                "variance": 87607.47111
              },
              {
                "average": 5.602136636,
                "count": 4053078,
                "maximum": 29.44471117,
                "minimum": -18.93528883,
                "name": "Z",
                "position": 2,
                "stddev": 10.54236885,
                "variance": 111.1415409
              },
              {
                "average": 11.78579021,
                "count": 4053078,
                "maximum": 1081,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 26.23257226,
                "variance": 688.1478472
              },
              {
                "average": 1.807855413,
                "count": 4053078,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.139039132,
                "variance": 1.297410144
              },
              {
                "average": 2.582529623,
                "count": 4053078,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.682935891,
                "variance": 2.832273215
              },
              {
                "average": 1,
                "count": 4053078,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4053078,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.76489646,
                "count": 4053078,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.53562956,
                "variance": 183.2132675
              },
              {
                "average": 19.39902131,
                "count": 4053078,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.257898543,
                "variance": 18.1297
              },
              {
                "average": 104.0588274,
                "count": 4053078,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 78.547834,
                "variance": 6169.762226
              },
              {
                "average": 3.546224622,
                "count": 4053078,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.771840031,
                "variance": 3.139417096
              },
              {
                "average": 63042410.61,
                "count": 4053078,
                "maximum": 63044255.05,
                "minimum": 63041317.83,
                "name": "GpsTime",
                "position": 12,
                "stddev": 740.4596159,
                "variance": 548280.4427
              },
              {
                "average": 0,
                "count": 4053078,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4053078,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4053078,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4053078,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4053078,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.6129,
              2377998.433,
              -18.93528883,
              579999.6329,
              2378998.453,
              29.44471117
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.6128650906,
                    2377998.433439045,
                    -18.935288833903673
                  ],
                  [
                    578999.6128650906,
                    2378998.4534390448,
                    -18.935288833903673
                  ],
                  [
                    579999.6328650906,
                    2378998.4534390448,
                    29.44471116609633
                  ],
                  [
                    579999.6328650906,
                    2377998.433439045,
                    29.44471116609633
                  ],
                  [
                    578999.6128650906,
                    2377998.433439045,
                    -18.935288833903673
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:04:15+00:00",
            "end_time": "2013-09-12T17:15:17+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8667.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1702867994263,
              21.403193369430713,
              3.140098367507562
            ],
            [
              -158.17023579487815,
              21.412227820066178,
              3.140098367507562
            ],
            [
              -158.16058793849047,
              21.41217975613897,
              84.94009836750756
            ],
            [
              -158.16063953398154,
              21.403145327941782,
              84.94009836750756
            ],
            [
              -158.1702867994263,
              21.403193369430713,
              3.140098367507562
            ]
          ]
        ]
      },
      "bbox": [
        -158.1702868,
        21.40314533,
        3.140098368,
        -158.1605879,
        21.41222782,
        84.94009837
      ],
      "properties": {
        "datetime": "2013-09-10T23:53:37Z",
        "pc:count": 12741815,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 586480.156,
            "count": 12741815,
            "maximum": 586999.6559,
            "minimum": 585999.6359,
            "name": "X",
            "position": 0,
            "stddev": 277.0532204,
            "variance": 76758.48695
          },
          {
            "average": 2367482.098,
            "count": 12741815,
            "maximum": 2367998.474,
            "minimum": 2366998.454,
            "name": "Y",
            "position": 1,
            "stddev": 285.6483347,
            "variance": 81594.97109
          },
          {
            "average": 19.62377618,
            "count": 12741815,
            "maximum": 84.94009837,
            "minimum": 3.140098368,
            "name": "Z",
            "position": 2,
            "stddev": 11.51373751,
            "variance": 132.5661516
          },
          {
            "average": 29.52161132,
            "count": 12741815,
            "maximum": 901,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 55.59086418,
            "variance": 3090.344181
          },
          {
            "average": 1.42183692,
            "count": 12741815,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8281050263,
            "variance": 0.6857579346
          },
          {
            "average": 1.844151873,
            "count": 12741815,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.25446249,
            "variance": 1.573676139
          },
          {
            "average": 1,
            "count": 12741815,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12741815,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.163300676,
            "count": 12741815,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3696397919,
            "variance": 0.1366335758
          },
          {
            "average": 20.12650171,
            "count": 12741815,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.719297669,
            "variance": 7.394579815
          },
          {
            "average": 90.79946962,
            "count": 12741815,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.73818644,
            "variance": 4321.509157
          },
          {
            "average": 3.216120545,
            "count": 12741815,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.543956007,
            "variance": 2.383800153
          },
          {
            "average": 62799907.4,
            "count": 12741815,
            "maximum": 62892417.22,
            "minimum": 62715566.44,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86468.80192,
            "variance": 7476853706
          },
          {
            "average": 0,
            "count": 12741815,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12741815,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12741815,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12741815,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12741815,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          585999.6359,
          2366998.454,
          3.140098368,
          586999.6559,
          2367998.474,
          84.94009837
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                585999.6359133117,
                2366998.4536441853,
                3.140098367507562
              ],
              [
                585999.6359133117,
                2367998.473644185,
                3.140098367507562
              ],
              [
                586999.6559133118,
                2367998.473644185,
                84.94009836750756
              ],
              [
                586999.6559133118,
                2366998.4536441853,
                84.94009836750756
              ],
              [
                585999.6359133117,
                2366998.4536441853,
                3.140098367507562
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:53:37+00:00",
        "end_time": "2013-09-08T22:46:06+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8667.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8667.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8667.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8667.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1702868,
            21.40314533,
            3.140098368,
            -158.1605879,
            21.41222782,
            84.94009837
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1702867994263,
                  21.403193369430713,
                  3.140098367507562
                ],
                [
                  -158.17023579487815,
                  21.412227820066178,
                  3.140098367507562
                ],
                [
                  -158.16058793849047,
                  21.41217975613897,
                  84.94009836750756
                ],
                [
                  -158.16063953398154,
                  21.403145327941782,
                  84.94009836750756
                ],
                [
                  -158.1702867994263,
                  21.403193369430713,
                  3.140098367507562
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8667.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8667.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:53:37Z",
            "pc:count": 12741815,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 586480.156,
                "count": 12741815,
                "maximum": 586999.6559,
                "minimum": 585999.6359,
                "name": "X",
                "position": 0,
                "stddev": 277.0532204,
                "variance": 76758.48695
              },
              {
                "average": 2367482.098,
                "count": 12741815,
                "maximum": 2367998.474,
                "minimum": 2366998.454,
                "name": "Y",
                "position": 1,
                "stddev": 285.6483347,
                "variance": 81594.97109
              },
              {
                "average": 19.62377618,
                "count": 12741815,
                "maximum": 84.94009837,
                "minimum": 3.140098368,
                "name": "Z",
                "position": 2,
                "stddev": 11.51373751,
                "variance": 132.5661516
              },
              {
                "average": 29.52161132,
                "count": 12741815,
                "maximum": 901,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 55.59086418,
                "variance": 3090.344181
              },
              {
                "average": 1.42183692,
                "count": 12741815,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8281050263,
                "variance": 0.6857579346
              },
              {
                "average": 1.844151873,
                "count": 12741815,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.25446249,
                "variance": 1.573676139
              },
              {
                "average": 1,
                "count": 12741815,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12741815,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.163300676,
                "count": 12741815,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3696397919,
                "variance": 0.1366335758
              },
              {
                "average": 20.12650171,
                "count": 12741815,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.719297669,
                "variance": 7.394579815
              },
              {
                "average": 90.79946962,
                "count": 12741815,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.73818644,
                "variance": 4321.509157
              },
              {
                "average": 3.216120545,
                "count": 12741815,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.543956007,
                "variance": 2.383800153
              },
              {
                "average": 62799907.4,
                "count": 12741815,
                "maximum": 62892417.22,
                "minimum": 62715566.44,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86468.80192,
                "variance": 7476853706
              },
              {
                "average": 0,
                "count": 12741815,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12741815,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12741815,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12741815,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12741815,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              585999.6359,
              2366998.454,
              3.140098368,
              586999.6559,
              2367998.474,
              84.94009837
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    585999.6359133117,
                    2366998.4536441853,
                    3.140098367507562
                  ],
                  [
                    585999.6359133117,
                    2367998.473644185,
                    3.140098367507562
                  ],
                  [
                    586999.6559133118,
                    2367998.473644185,
                    84.94009836750756
                  ],
                  [
                    586999.6559133118,
                    2366998.4536441853,
                    84.94009836750756
                  ],
                  [
                    585999.6359133117,
                    2366998.4536441853,
                    3.140098367507562
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:53:37+00:00",
            "end_time": "2013-09-08T22:46:06+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8186.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2176066070289,
              21.575076450234125,
              -11.309741239313475
            ],
            [
              -158.2175581161876,
              21.584110805373022,
              -11.309741239313475
            ],
            [
              -158.2078987699182,
              21.58406514067045,
              81.85025876068653
            ],
            [
              -158.20794786011322,
              21.57503080632232,
              81.85025876068653
            ],
            [
              -158.2176066070289,
              21.575076450234125,
              -11.309741239313475
            ]
          ]
        ]
      },
      "bbox": [
        -158.2176066,
        21.57503081,
        -11.30974124,
        -158.2078988,
        21.58411081,
        81.85025876
      ],
      "properties": {
        "datetime": "2013-11-04T20:22:00Z",
        "pc:count": 11052601,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 581464.5173,
            "count": 11052601,
            "maximum": 581999.5974,
            "minimum": 580999.5774,
            "name": "X",
            "position": 0,
            "stddev": 290.4038928,
            "variance": 84334.42094
          },
          {
            "average": 2386363.967,
            "count": 11052601,
            "maximum": 2386998.473,
            "minimum": 2385998.453,
            "name": "Y",
            "position": 1,
            "stddev": 258.8675983,
            "variance": 67012.43344
          },
          {
            "average": 11.41597011,
            "count": 11052601,
            "maximum": 81.85025876,
            "minimum": -11.30974124,
            "name": "Z",
            "position": 2,
            "stddev": 12.9694039,
            "variance": 168.2054376
          },
          {
            "average": 12.26838443,
            "count": 11052601,
            "maximum": 8937,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 31.34226189,
            "variance": 982.3373806
          },
          {
            "average": 1.616699816,
            "count": 11052601,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9201082668,
            "variance": 0.8465992226
          },
          {
            "average": 2.23241751,
            "count": 11052601,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.294143901,
            "variance": 1.674808436
          },
          {
            "average": 1,
            "count": 11052601,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11052601,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.66401248,
            "count": 11052601,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.11488897,
            "variance": 123.5407568
          },
          {
            "average": 18.50303885,
            "count": 11052601,
            "maximum": 34.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.31239743,
            "variance": 39.84636131
          },
          {
            "average": 90.4059762,
            "count": 11052601,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.90112888,
            "variance": 4610.563304
          },
          {
            "average": 2.921062382,
            "count": 11052601,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.855557034,
            "variance": 3.443091907
          },
          {
            "average": 63043640.53,
            "count": 11052601,
            "maximum": 67631720.3,
            "minimum": 62866273.22,
            "name": "GpsTime",
            "position": 12,
            "stddev": 817652.2295,
            "variance": 668555168400.0
          },
          {
            "average": 0,
            "count": 11052601,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11052601,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11052601,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11052601,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11052601,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          580999.5774,
          2385998.453,
          -11.30974124,
          581999.5974,
          2386998.473,
          81.85025876
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                580999.5774398083,
                2385998.4531725547,
                -11.309741239313475
              ],
              [
                580999.5774398083,
                2386998.4731725543,
                -11.309741239313475
              ],
              [
                581999.5974398083,
                2386998.4731725543,
                81.85025876068653
              ],
              [
                581999.5974398083,
                2385998.4531725547,
                81.85025876068653
              ],
              [
                580999.5774398083,
                2385998.4531725547,
                -11.309741239313475
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:22:00+00:00",
        "end_time": "2013-09-10T16:37:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8186.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8186.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8186.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8186.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2176066,
            21.57503081,
            -11.30974124,
            -158.2078988,
            21.58411081,
            81.85025876
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2176066070289,
                  21.575076450234125,
                  -11.309741239313475
                ],
                [
                  -158.2175581161876,
                  21.584110805373022,
                  -11.309741239313475
                ],
                [
                  -158.2078987699182,
                  21.58406514067045,
                  81.85025876068653
                ],
                [
                  -158.20794786011322,
                  21.57503080632232,
                  81.85025876068653
                ],
                [
                  -158.2176066070289,
                  21.575076450234125,
                  -11.309741239313475
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8186.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8186.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:22:00Z",
            "pc:count": 11052601,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 581464.5173,
                "count": 11052601,
                "maximum": 581999.5974,
                "minimum": 580999.5774,
                "name": "X",
                "position": 0,
                "stddev": 290.4038928,
                "variance": 84334.42094
              },
              {
                "average": 2386363.967,
                "count": 11052601,
                "maximum": 2386998.473,
                "minimum": 2385998.453,
                "name": "Y",
                "position": 1,
                "stddev": 258.8675983,
                "variance": 67012.43344
              },
              {
                "average": 11.41597011,
                "count": 11052601,
                "maximum": 81.85025876,
                "minimum": -11.30974124,
                "name": "Z",
                "position": 2,
                "stddev": 12.9694039,
                "variance": 168.2054376
              },
              {
                "average": 12.26838443,
                "count": 11052601,
                "maximum": 8937,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 31.34226189,
                "variance": 982.3373806
              },
              {
                "average": 1.616699816,
                "count": 11052601,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9201082668,
                "variance": 0.8465992226
              },
              {
                "average": 2.23241751,
                "count": 11052601,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.294143901,
                "variance": 1.674808436
              },
              {
                "average": 1,
                "count": 11052601,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11052601,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.66401248,
                "count": 11052601,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.11488897,
                "variance": 123.5407568
              },
              {
                "average": 18.50303885,
                "count": 11052601,
                "maximum": 34.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.31239743,
                "variance": 39.84636131
              },
              {
                "average": 90.4059762,
                "count": 11052601,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.90112888,
                "variance": 4610.563304
              },
              {
                "average": 2.921062382,
                "count": 11052601,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.855557034,
                "variance": 3.443091907
              },
              {
                "average": 63043640.53,
                "count": 11052601,
                "maximum": 67631720.3,
                "minimum": 62866273.22,
                "name": "GpsTime",
                "position": 12,
                "stddev": 817652.2295,
                "variance": 668555168400.0
              },
              {
                "average": 0,
                "count": 11052601,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11052601,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11052601,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11052601,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11052601,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              580999.5774,
              2385998.453,
              -11.30974124,
              581999.5974,
              2386998.473,
              81.85025876
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    580999.5774398083,
                    2385998.4531725547,
                    -11.309741239313475
                  ],
                  [
                    580999.5774398083,
                    2386998.4731725543,
                    -11.309741239313475
                  ],
                  [
                    581999.5974398083,
                    2386998.4731725543,
                    81.85025876068653
                  ],
                  [
                    581999.5974398083,
                    2385998.4531725547,
                    81.85025876068653
                  ],
                  [
                    580999.5774398083,
                    2385998.4531725547,
                    -11.309741239313475
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:22:00+00:00",
            "end_time": "2013-09-10T16:37:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej7979.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.23725379329804,
              21.511926215389547,
              -20.38500822268589
            ],
            [
              -158.2372066746461,
              21.520960500206506,
              -20.38500822268589
            ],
            [
              -158.2275514700581,
              21.520916099324875,
              74.27499177731411
            ],
            [
              -158.22759918367157,
              21.511881835765212,
              74.27499177731411
            ],
            [
              -158.23725379329804,
              21.511926215389547,
              -20.38500822268589
            ]
          ]
        ]
      },
      "bbox": [
        -158.2372538,
        21.51188184,
        -20.38500822,
        -158.2275515,
        21.5209605,
        74.27499178
      ],
      "properties": {
        "datetime": "2013-09-12T18:04:30Z",
        "pc:count": 3943256,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579664.2475,
            "count": 3943256,
            "maximum": 579999.6294,
            "minimum": 578999.6094,
            "name": "X",
            "position": 0,
            "stddev": 305.4915522,
            "variance": 93325.08849
          },
          {
            "average": 2379481.018,
            "count": 3943256,
            "maximum": 2379998.447,
            "minimum": 2378998.447,
            "name": "Y",
            "position": 1,
            "stddev": 277.5587125,
            "variance": 77038.83889
          },
          {
            "average": 0.5081073067,
            "count": 3943256,
            "maximum": 74.27499178,
            "minimum": -20.38500822,
            "name": "Z",
            "position": 2,
            "stddev": 10.28138787,
            "variance": 105.7069365
          },
          {
            "average": 14.85838378,
            "count": 3943256,
            "maximum": 4840,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 37.63071692,
            "variance": 1416.070856
          },
          {
            "average": 1.531366718,
            "count": 3943256,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9859757725,
            "variance": 0.9721482239
          },
          {
            "average": 2.044877127,
            "count": 3943256,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.527729099,
            "variance": 2.3339562
          },
          {
            "average": 1,
            "count": 3943256,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3943256,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.84491243,
            "count": 3943256,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.8114659,
            "variance": 190.7565902
          },
          {
            "average": 19.74415872,
            "count": 3943256,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.583711044,
            "variance": 21.01040694
          },
          {
            "average": 97.69966621,
            "count": 3943256,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 75.33707639,
            "variance": 5675.675079
          },
          {
            "average": 4.055529745,
            "count": 3943256,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.819119783,
            "variance": 3.309196784
          },
          {
            "average": 63042638.83,
            "count": 3943256,
            "maximum": 63044270.5,
            "minimum": 63041331.76,
            "name": "GpsTime",
            "position": 12,
            "stddev": 758.7560585,
            "variance": 575710.7563
          },
          {
            "average": 0,
            "count": 3943256,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3943256,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3943256,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3943256,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3943256,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.6094,
          2378998.447,
          -20.38500822,
          579999.6294,
          2379998.447,
          74.27499178
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.6094213016,
                2378998.446758625,
                -20.38500822268589
              ],
              [
                578999.6094213016,
                2379998.446758625,
                -20.38500822268589
              ],
              [
                579999.6294213017,
                2379998.446758625,
                74.27499177731411
              ],
              [
                579999.6294213017,
                2378998.446758625,
                74.27499177731411
              ],
              [
                578999.6094213016,
                2378998.446758625,
                -20.38500822268589
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:04:30+00:00",
        "end_time": "2013-09-12T17:15:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej7979.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej7979.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej7979.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7979.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2372538,
            21.51188184,
            -20.38500822,
            -158.2275515,
            21.5209605,
            74.27499178
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.23725379329804,
                  21.511926215389547,
                  -20.38500822268589
                ],
                [
                  -158.2372066746461,
                  21.520960500206506,
                  -20.38500822268589
                ],
                [
                  -158.2275514700581,
                  21.520916099324875,
                  74.27499177731411
                ],
                [
                  -158.22759918367157,
                  21.511881835765212,
                  74.27499177731411
                ],
                [
                  -158.23725379329804,
                  21.511926215389547,
                  -20.38500822268589
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej7979.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7979.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:04:30Z",
            "pc:count": 3943256,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579664.2475,
                "count": 3943256,
                "maximum": 579999.6294,
                "minimum": 578999.6094,
                "name": "X",
                "position": 0,
                "stddev": 305.4915522,
                "variance": 93325.08849
              },
              {
                "average": 2379481.018,
                "count": 3943256,
                "maximum": 2379998.447,
                "minimum": 2378998.447,
                "name": "Y",
                "position": 1,
                "stddev": 277.5587125,
                "variance": 77038.83889
              },
              {
                "average": 0.5081073067,
                "count": 3943256,
                "maximum": 74.27499178,
                "minimum": -20.38500822,
                "name": "Z",
                "position": 2,
                "stddev": 10.28138787,
                "variance": 105.7069365
              },
              {
                "average": 14.85838378,
                "count": 3943256,
                "maximum": 4840,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 37.63071692,
                "variance": 1416.070856
              },
              {
                "average": 1.531366718,
                "count": 3943256,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9859757725,
                "variance": 0.9721482239
              },
              {
                "average": 2.044877127,
                "count": 3943256,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.527729099,
                "variance": 2.3339562
              },
              {
                "average": 1,
                "count": 3943256,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3943256,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.84491243,
                "count": 3943256,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.8114659,
                "variance": 190.7565902
              },
              {
                "average": 19.74415872,
                "count": 3943256,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.583711044,
                "variance": 21.01040694
              },
              {
                "average": 97.69966621,
                "count": 3943256,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 75.33707639,
                "variance": 5675.675079
              },
              {
                "average": 4.055529745,
                "count": 3943256,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.819119783,
                "variance": 3.309196784
              },
              {
                "average": 63042638.83,
                "count": 3943256,
                "maximum": 63044270.5,
                "minimum": 63041331.76,
                "name": "GpsTime",
                "position": 12,
                "stddev": 758.7560585,
                "variance": 575710.7563
              },
              {
                "average": 0,
                "count": 3943256,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3943256,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3943256,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3943256,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3943256,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.6094,
              2378998.447,
              -20.38500822,
              579999.6294,
              2379998.447,
              74.27499178
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.6094213016,
                    2378998.446758625,
                    -20.38500822268589
                  ],
                  [
                    578999.6094213016,
                    2379998.446758625,
                    -20.38500822268589
                  ],
                  [
                    579999.6294213017,
                    2379998.446758625,
                    74.27499177731411
                  ],
                  [
                    579999.6294213017,
                    2378998.446758625,
                    74.27499177731411
                  ],
                  [
                    578999.6094213016,
                    2378998.446758625,
                    -20.38500822268589
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:04:30+00:00",
            "end_time": "2013-09-12T17:15:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8187.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.217558091636,
              21.58411073579509,
              -25.0134715773423
            ],
            [
              -158.21751064927417,
              21.592943981856113,
              -25.0134715773423
            ],
            [
              -158.20785091006,
              21.592898297687437,
              -1.573471577342298
            ],
            [
              -158.20789893855414,
              21.584065072010098,
              -1.573471577342298
            ],
            [
              -158.217558091636,
              21.58411073579509,
              -25.0134715773423
            ]
          ]
        ]
      },
      "bbox": [
        -158.2175581,
        21.58406507,
        -25.01347158,
        -158.2078509,
        21.59294398,
        -1.573471577
      ],
      "properties": {
        "datetime": "2013-09-10T17:57:14Z",
        "pc:count": 2704066,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 581500.7928,
            "count": 2704066,
            "maximum": 581999.58,
            "minimum": 580999.58,
            "name": "X",
            "position": 0,
            "stddev": 289.5707381,
            "variance": 83851.21237
          },
          {
            "average": 2387392.395,
            "count": 2704066,
            "maximum": 2387976.225,
            "minimum": 2386998.465,
            "name": "Y",
            "position": 1,
            "stddev": 237.6828517,
            "variance": 56493.138
          },
          {
            "average": -9.469325229,
            "count": 2704066,
            "maximum": -1.573471577,
            "minimum": -25.01347158,
            "name": "Z",
            "position": 2,
            "stddev": 3.072817449,
            "variance": 9.442207076
          },
          {
            "average": 24.8552809,
            "count": 2704066,
            "maximum": 1046,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 63.60218517,
            "variance": 4045.237958
          },
          {
            "average": 1.026360303,
            "count": 2704066,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1625600935,
            "variance": 0.02642578399
          },
          {
            "average": 1.048945921,
            "count": 2704066,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2199698367,
            "variance": 0.04838672908
          },
          {
            "average": 1,
            "count": 2704066,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2704066,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2704066,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.24529574,
            "count": 2704066,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.040582486,
            "variance": 36.48863677
          },
          {
            "average": 99.39976539,
            "count": 2704066,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.54500225,
            "variance": 6013.227375
          },
          {
            "average": 7.864208196,
            "count": 2704066,
            "maximum": 10,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.252834742,
            "variance": 1.56959489
          },
          {
            "average": 62869951.42,
            "count": 2704066,
            "maximum": 62871034.26,
            "minimum": 62868970.63,
            "name": "GpsTime",
            "position": 12,
            "stddev": 634.8869223,
            "variance": 403081.4041
          },
          {
            "average": 0,
            "count": 2704066,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2704066,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2704066,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2704066,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2704066,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          580999.58,
          2386998.465,
          -25.01347158,
          581999.58,
          2387976.225,
          -1.573471577
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                580999.5800202149,
                2386998.465483877,
                -25.0134715773423
              ],
              [
                580999.5800202149,
                2387976.2254838767,
                -25.0134715773423
              ],
              [
                581999.5800202149,
                2387976.2254838767,
                -1.573471577342298
              ],
              [
                581999.5800202149,
                2386998.465483877,
                -1.573471577342298
              ],
              [
                580999.5800202149,
                2386998.465483877,
                -25.0134715773423
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:57:14+00:00",
        "end_time": "2013-09-10T17:22:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8187.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8187.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8187.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8187.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2175581,
            21.58406507,
            -25.01347158,
            -158.2078509,
            21.59294398,
            -1.573471577
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.217558091636,
                  21.58411073579509,
                  -25.0134715773423
                ],
                [
                  -158.21751064927417,
                  21.592943981856113,
                  -25.0134715773423
                ],
                [
                  -158.20785091006,
                  21.592898297687437,
                  -1.573471577342298
                ],
                [
                  -158.20789893855414,
                  21.584065072010098,
                  -1.573471577342298
                ],
                [
                  -158.217558091636,
                  21.58411073579509,
                  -25.0134715773423
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8187.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8187.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:57:14Z",
            "pc:count": 2704066,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 581500.7928,
                "count": 2704066,
                "maximum": 581999.58,
                "minimum": 580999.58,
                "name": "X",
                "position": 0,
                "stddev": 289.5707381,
                "variance": 83851.21237
              },
              {
                "average": 2387392.395,
                "count": 2704066,
                "maximum": 2387976.225,
                "minimum": 2386998.465,
                "name": "Y",
                "position": 1,
                "stddev": 237.6828517,
                "variance": 56493.138
              },
              {
                "average": -9.469325229,
                "count": 2704066,
                "maximum": -1.573471577,
                "minimum": -25.01347158,
                "name": "Z",
                "position": 2,
                "stddev": 3.072817449,
                "variance": 9.442207076
              },
              {
                "average": 24.8552809,
                "count": 2704066,
                "maximum": 1046,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 63.60218517,
                "variance": 4045.237958
              },
              {
                "average": 1.026360303,
                "count": 2704066,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1625600935,
                "variance": 0.02642578399
              },
              {
                "average": 1.048945921,
                "count": 2704066,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2199698367,
                "variance": 0.04838672908
              },
              {
                "average": 1,
                "count": 2704066,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2704066,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2704066,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.24529574,
                "count": 2704066,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.040582486,
                "variance": 36.48863677
              },
              {
                "average": 99.39976539,
                "count": 2704066,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.54500225,
                "variance": 6013.227375
              },
              {
                "average": 7.864208196,
                "count": 2704066,
                "maximum": 10,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.252834742,
                "variance": 1.56959489
              },
              {
                "average": 62869951.42,
                "count": 2704066,
                "maximum": 62871034.26,
                "minimum": 62868970.63,
                "name": "GpsTime",
                "position": 12,
                "stddev": 634.8869223,
                "variance": 403081.4041
              },
              {
                "average": 0,
                "count": 2704066,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2704066,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2704066,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2704066,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2704066,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              580999.58,
              2386998.465,
              -25.01347158,
              581999.58,
              2387976.225,
              -1.573471577
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    580999.5800202149,
                    2386998.465483877,
                    -25.0134715773423
                  ],
                  [
                    580999.5800202149,
                    2387976.2254838767,
                    -25.0134715773423
                  ],
                  [
                    581999.5800202149,
                    2387976.2254838767,
                    -1.573471577342298
                  ],
                  [
                    581999.5800202149,
                    2386998.465483877,
                    -1.573471577342298
                  ],
                  [
                    580999.5800202149,
                    2386998.465483877,
                    -25.0134715773423
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:57:14+00:00",
            "end_time": "2013-09-10T17:22:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9157.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12258936119147,
              21.31260574875114,
              -13.31772392282327
            ],
            [
              -158.1225356917895,
              21.32164015817807,
              -13.31772392282327
            ],
            [
              -158.11289387091009,
              21.32158956683506,
              56.26227607717673
            ],
            [
              -158.11294813011293,
              21.31255518088944,
              56.26227607717673
            ],
            [
              -158.12258936119147,
              21.31260574875114,
              -13.31772392282327
            ]
          ]
        ]
      },
      "bbox": [
        -158.1225894,
        21.31255518,
        -13.31772392,
        -158.1128939,
        21.32164016,
        56.26227608
      ],
      "properties": {
        "datetime": "2013-10-08T22:30:44Z",
        "pc:count": 13779106,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591540.6236,
            "count": 13779106,
            "maximum": 591999.6803,
            "minimum": 590999.6603,
            "name": "X",
            "position": 0,
            "stddev": 277.741377,
            "variance": 77140.27247
          },
          {
            "average": 2357503.725,
            "count": 13779106,
            "maximum": 2357998.474,
            "minimum": 2356998.454,
            "name": "Y",
            "position": 1,
            "stddev": 269.2311537,
            "variance": 72485.41411
          },
          {
            "average": 2.931462421,
            "count": 13779106,
            "maximum": 56.26227608,
            "minimum": -13.31772392,
            "name": "Z",
            "position": 2,
            "stddev": 4.474762777,
            "variance": 20.02350191
          },
          {
            "average": 33.98793434,
            "count": 13779106,
            "maximum": 8983,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 66.04145052,
            "variance": 4361.473187
          },
          {
            "average": 1.24649081,
            "count": 13779106,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.65270528,
            "variance": 0.4260241825
          },
          {
            "average": 1.48526363,
            "count": 13779106,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.010946578,
            "variance": 1.022012984
          },
          {
            "average": 1,
            "count": 13779106,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13779106,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.313460104,
            "count": 13779106,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.58582992,
            "variance": 134.2314549
          },
          {
            "average": 13.52002308,
            "count": 13779106,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.627245569,
            "variance": 92.68385724
          },
          {
            "average": 92.15933639,
            "count": 13779106,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.1164716,
            "variance": 4240.154874
          },
          {
            "average": 5.73401286,
            "count": 13779106,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.423565106,
            "variance": 11.72079804
          },
          {
            "average": 63880631.83,
            "count": 13779106,
            "maximum": 65306644.63,
            "minimum": 62720725.74,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1049033.235,
            "variance": 1100470728000.0
          },
          {
            "average": 0,
            "count": 13779106,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13779106,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13779106,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13779106,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13779106,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6603,
          2356998.454,
          -13.31772392,
          591999.6803,
          2357998.474,
          56.26227608
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6602920659,
                2356998.4538075035,
                -13.31772392282327
              ],
              [
                590999.6602920659,
                2357998.473807503,
                -13.31772392282327
              ],
              [
                591999.680292066,
                2357998.473807503,
                56.26227607717673
              ],
              [
                591999.680292066,
                2356998.4538075035,
                56.26227607717673
              ],
              [
                590999.6602920659,
                2356998.4538075035,
                -13.31772392282327
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:30:44+00:00",
        "end_time": "2013-09-09T00:12:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9157.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9157.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9157.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9157.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1225894,
            21.31255518,
            -13.31772392,
            -158.1128939,
            21.32164016,
            56.26227608
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12258936119147,
                  21.31260574875114,
                  -13.31772392282327
                ],
                [
                  -158.1225356917895,
                  21.32164015817807,
                  -13.31772392282327
                ],
                [
                  -158.11289387091009,
                  21.32158956683506,
                  56.26227607717673
                ],
                [
                  -158.11294813011293,
                  21.31255518088944,
                  56.26227607717673
                ],
                [
                  -158.12258936119147,
                  21.31260574875114,
                  -13.31772392282327
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9157.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9157.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:30:44Z",
            "pc:count": 13779106,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591540.6236,
                "count": 13779106,
                "maximum": 591999.6803,
                "minimum": 590999.6603,
                "name": "X",
                "position": 0,
                "stddev": 277.741377,
                "variance": 77140.27247
              },
              {
                "average": 2357503.725,
                "count": 13779106,
                "maximum": 2357998.474,
                "minimum": 2356998.454,
                "name": "Y",
                "position": 1,
                "stddev": 269.2311537,
                "variance": 72485.41411
              },
              {
                "average": 2.931462421,
                "count": 13779106,
                "maximum": 56.26227608,
                "minimum": -13.31772392,
                "name": "Z",
                "position": 2,
                "stddev": 4.474762777,
                "variance": 20.02350191
              },
              {
                "average": 33.98793434,
                "count": 13779106,
                "maximum": 8983,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 66.04145052,
                "variance": 4361.473187
              },
              {
                "average": 1.24649081,
                "count": 13779106,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.65270528,
                "variance": 0.4260241825
              },
              {
                "average": 1.48526363,
                "count": 13779106,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.010946578,
                "variance": 1.022012984
              },
              {
                "average": 1,
                "count": 13779106,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13779106,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.313460104,
                "count": 13779106,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.58582992,
                "variance": 134.2314549
              },
              {
                "average": 13.52002308,
                "count": 13779106,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.627245569,
                "variance": 92.68385724
              },
              {
                "average": 92.15933639,
                "count": 13779106,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.1164716,
                "variance": 4240.154874
              },
              {
                "average": 5.73401286,
                "count": 13779106,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.423565106,
                "variance": 11.72079804
              },
              {
                "average": 63880631.83,
                "count": 13779106,
                "maximum": 65306644.63,
                "minimum": 62720725.74,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1049033.235,
                "variance": 1100470728000.0
              },
              {
                "average": 0,
                "count": 13779106,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13779106,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13779106,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13779106,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13779106,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6603,
              2356998.454,
              -13.31772392,
              591999.6803,
              2357998.474,
              56.26227608
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6602920659,
                    2356998.4538075035,
                    -13.31772392282327
                  ],
                  [
                    590999.6602920659,
                    2357998.473807503,
                    -13.31772392282327
                  ],
                  [
                    591999.680292066,
                    2357998.473807503,
                    56.26227607717673
                  ],
                  [
                    591999.680292066,
                    2356998.4538075035,
                    56.26227607717673
                  ],
                  [
                    590999.6602920659,
                    2356998.4538075035,
                    -13.31772392282327
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:30:44+00:00",
            "end_time": "2013-09-09T00:12:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7980.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2372067580212,
              21.520960476679534,
              -51.99859901807074
            ],
            [
              -158.23715961330973,
              21.529994752025353,
              -51.99859901807074
            ],
            [
              -158.22750381174342,
              21.52995033028206,
              29.321400981929266
            ],
            [
              -158.2275515534346,
              21.52091607580276,
              29.321400981929266
            ],
            [
              -158.2372067580212,
              21.520960476679534,
              -51.99859901807074
            ]
          ]
        ]
      },
      "bbox": [
        -158.2372068,
        21.52091608,
        -51.99859902,
        -158.2275038,
        21.52999475,
        29.32140098
      ],
      "properties": {
        "datetime": "2013-09-12T19:06:34Z",
        "pc:count": 3946057,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579671.5084,
            "count": 3946057,
            "maximum": 579999.6208,
            "minimum": 578999.6008,
            "name": "X",
            "position": 0,
            "stddev": 268.34384,
            "variance": 72008.41648
          },
          {
            "average": 2380528.292,
            "count": 3946057,
            "maximum": 2380998.444,
            "minimum": 2379998.444,
            "name": "Y",
            "position": 1,
            "stddev": 284.0982286,
            "variance": 80711.80349
          },
          {
            "average": -3.429336189,
            "count": 3946057,
            "maximum": 29.32140098,
            "minimum": -51.99859902,
            "name": "Z",
            "position": 2,
            "stddev": 10.48549149,
            "variance": 109.9455318
          },
          {
            "average": 58.61620423,
            "count": 3946057,
            "maximum": 4392,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 168.5534305,
            "variance": 28410.25892
          },
          {
            "average": 1.198356739,
            "count": 3946057,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5738832301,
            "variance": 0.3293419618
          },
          {
            "average": 1.388832701,
            "count": 3946057,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8882133575,
            "variance": 0.7889229684
          },
          {
            "average": 1,
            "count": 3946057,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3946057,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.28840663,
            "count": 3946057,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.72811593,
            "variance": 188.4611669
          },
          {
            "average": 17.17533858,
            "count": 3946057,
            "maximum": 34.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.46380912,
            "variance": 55.70844657
          },
          {
            "average": 116.452588,
            "count": 3946057,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 84.88204909,
            "variance": 7204.962258
          },
          {
            "average": 5.116860451,
            "count": 3946057,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.382301665,
            "variance": 5.675361223
          },
          {
            "average": 63043608.48,
            "count": 3946057,
            "maximum": 63047994.58,
            "minimum": 62969431.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6598.4255,
            "variance": 43539219.08
          },
          {
            "average": 0,
            "count": 3946057,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3946057,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3946057,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3946057,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3946057,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.6008,
          2379998.444,
          -51.99859902,
          579999.6208,
          2380998.444,
          29.32140098
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.6007988064,
                2379998.4441123256,
                -51.99859901807074
              ],
              [
                578999.6007988064,
                2380998.4441123256,
                -51.99859901807074
              ],
              [
                579999.6207988064,
                2380998.4441123256,
                29.321400981929266
              ],
              [
                579999.6207988064,
                2379998.4441123256,
                29.321400981929266
              ],
              [
                578999.6007988064,
                2379998.4441123256,
                -51.99859901807074
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:06:34+00:00",
        "end_time": "2013-09-11T21:17:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7980.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7980.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7980.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7980.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2372068,
            21.52091608,
            -51.99859902,
            -158.2275038,
            21.52999475,
            29.32140098
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2372067580212,
                  21.520960476679534,
                  -51.99859901807074
                ],
                [
                  -158.23715961330973,
                  21.529994752025353,
                  -51.99859901807074
                ],
                [
                  -158.22750381174342,
                  21.52995033028206,
                  29.321400981929266
                ],
                [
                  -158.2275515534346,
                  21.52091607580276,
                  29.321400981929266
                ],
                [
                  -158.2372067580212,
                  21.520960476679534,
                  -51.99859901807074
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7980.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7980.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:06:34Z",
            "pc:count": 3946057,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579671.5084,
                "count": 3946057,
                "maximum": 579999.6208,
                "minimum": 578999.6008,
                "name": "X",
                "position": 0,
                "stddev": 268.34384,
                "variance": 72008.41648
              },
              {
                "average": 2380528.292,
                "count": 3946057,
                "maximum": 2380998.444,
                "minimum": 2379998.444,
                "name": "Y",
                "position": 1,
                "stddev": 284.0982286,
                "variance": 80711.80349
              },
              {
                "average": -3.429336189,
                "count": 3946057,
                "maximum": 29.32140098,
                "minimum": -51.99859902,
                "name": "Z",
                "position": 2,
                "stddev": 10.48549149,
                "variance": 109.9455318
              },
              {
                "average": 58.61620423,
                "count": 3946057,
                "maximum": 4392,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 168.5534305,
                "variance": 28410.25892
              },
              {
                "average": 1.198356739,
                "count": 3946057,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5738832301,
                "variance": 0.3293419618
              },
              {
                "average": 1.388832701,
                "count": 3946057,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8882133575,
                "variance": 0.7889229684
              },
              {
                "average": 1,
                "count": 3946057,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3946057,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.28840663,
                "count": 3946057,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.72811593,
                "variance": 188.4611669
              },
              {
                "average": 17.17533858,
                "count": 3946057,
                "maximum": 34.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.46380912,
                "variance": 55.70844657
              },
              {
                "average": 116.452588,
                "count": 3946057,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 84.88204909,
                "variance": 7204.962258
              },
              {
                "average": 5.116860451,
                "count": 3946057,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.382301665,
                "variance": 5.675361223
              },
              {
                "average": 63043608.48,
                "count": 3946057,
                "maximum": 63047994.58,
                "minimum": 62969431.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6598.4255,
                "variance": 43539219.08
              },
              {
                "average": 0,
                "count": 3946057,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3946057,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3946057,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3946057,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3946057,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.6008,
              2379998.444,
              -51.99859902,
              579999.6208,
              2380998.444,
              29.32140098
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.6007988064,
                    2379998.4441123256,
                    -51.99859901807074
                  ],
                  [
                    578999.6007988064,
                    2380998.4441123256,
                    -51.99859901807074
                  ],
                  [
                    579999.6207988064,
                    2380998.4441123256,
                    29.321400981929266
                  ],
                  [
                    579999.6207988064,
                    2379998.4441123256,
                    29.321400981929266
                  ],
                  [
                    578999.6007988064,
                    2379998.4441123256,
                    -51.99859901807074
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:06:34+00:00",
            "end_time": "2013-09-11T21:17:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8268.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.20063631323617,
              21.420254056664806,
              -54.60462551366611
            ],
            [
              -158.20063002778582,
              21.42140864367557,
              -54.60462551366611
            ],
            [
              -158.1991297073596,
              21.421401476892044,
              -42.144625513666114
            ],
            [
              -158.1991360046372,
              21.420246890278502,
              -42.144625513666114
            ],
            [
              -158.20063631323617,
              21.420254056664806,
              -54.60462551366611
            ]
          ]
        ]
      },
      "bbox": [
        -158.2006363,
        21.42024689,
        -54.60462551,
        -158.1991297,
        21.42140864,
        -42.14462551
      ],
      "properties": {
        "datetime": "2013-09-19T00:45:06Z",
        "pc:count": 1242,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 582965.3847,
            "count": 1242,
            "maximum": 582999.6328,
            "minimum": 582844.1328,
            "name": "X",
            "position": 0,
            "stddev": 28.62071277,
            "variance": 819.1451992
          },
          {
            "average": 2368966.664,
            "count": 1242,
            "maximum": 2368998.303,
            "minimum": 2368870.503,
            "name": "Y",
            "position": 1,
            "stddev": 24.54193134,
            "variance": 602.3063938
          },
          {
            "average": -47.28527769,
            "count": 1242,
            "maximum": -42.14462551,
            "minimum": -54.60462551,
            "name": "Z",
            "position": 2,
            "stddev": 2.609664424,
            "variance": 6.810348406
          },
          {
            "average": 2392.44525,
            "count": 1242,
            "maximum": 6979,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1495.346089,
            "variance": 2236059.925
          },
          {
            "average": 1,
            "count": 1242,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 1242,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 1242,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1242,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1242,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.775241497,
            "count": 1242,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.858131181,
            "variance": 78.46648802
          },
          {
            "average": 249,
            "count": 1242,
            "maximum": 249,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.213365539,
            "count": 1242,
            "maximum": 10,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.053176063,
            "variance": 9.321884071
          },
          {
            "average": 63071374.01,
            "count": 1242,
            "maximum": 63586706.61,
            "minimum": 62894763.32,
            "name": "GpsTime",
            "position": 12,
            "stddev": 301800.1423,
            "variance": 91083325890.0
          },
          {
            "average": 0,
            "count": 1242,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1242,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1242,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1242,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1242,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582844.1328,
          2368870.503,
          -54.60462551,
          582999.6328,
          2368998.303,
          -42.14462551
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582844.1328409114,
                2368870.5030704,
                -54.60462551366611
              ],
              [
                582844.1328409114,
                2368998.3030704,
                -54.60462551366611
              ],
              [
                582999.6328409114,
                2368998.3030704,
                -42.144625513666114
              ],
              [
                582999.6328409114,
                2368870.5030704,
                -42.144625513666114
              ],
              [
                582844.1328409114,
                2368870.5030704,
                -54.60462551366611
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:45:06+00:00",
        "end_time": "2013-09-11T00:32:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8268.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8268.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8268.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8268.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2006363,
            21.42024689,
            -54.60462551,
            -158.1991297,
            21.42140864,
            -42.14462551
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.20063631323617,
                  21.420254056664806,
                  -54.60462551366611
                ],
                [
                  -158.20063002778582,
                  21.42140864367557,
                  -54.60462551366611
                ],
                [
                  -158.1991297073596,
                  21.421401476892044,
                  -42.144625513666114
                ],
                [
                  -158.1991360046372,
                  21.420246890278502,
                  -42.144625513666114
                ],
                [
                  -158.20063631323617,
                  21.420254056664806,
                  -54.60462551366611
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8268.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8268.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:45:06Z",
            "pc:count": 1242,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 582965.3847,
                "count": 1242,
                "maximum": 582999.6328,
                "minimum": 582844.1328,
                "name": "X",
                "position": 0,
                "stddev": 28.62071277,
                "variance": 819.1451992
              },
              {
                "average": 2368966.664,
                "count": 1242,
                "maximum": 2368998.303,
                "minimum": 2368870.503,
                "name": "Y",
                "position": 1,
                "stddev": 24.54193134,
                "variance": 602.3063938
              },
              {
                "average": -47.28527769,
                "count": 1242,
                "maximum": -42.14462551,
                "minimum": -54.60462551,
                "name": "Z",
                "position": 2,
                "stddev": 2.609664424,
                "variance": 6.810348406
              },
              {
                "average": 2392.44525,
                "count": 1242,
                "maximum": 6979,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1495.346089,
                "variance": 2236059.925
              },
              {
                "average": 1,
                "count": 1242,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 1242,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 1242,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1242,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1242,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.775241497,
                "count": 1242,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.858131181,
                "variance": 78.46648802
              },
              {
                "average": 249,
                "count": 1242,
                "maximum": 249,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.213365539,
                "count": 1242,
                "maximum": 10,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.053176063,
                "variance": 9.321884071
              },
              {
                "average": 63071374.01,
                "count": 1242,
                "maximum": 63586706.61,
                "minimum": 62894763.32,
                "name": "GpsTime",
                "position": 12,
                "stddev": 301800.1423,
                "variance": 91083325890.0
              },
              {
                "average": 0,
                "count": 1242,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1242,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1242,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1242,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1242,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582844.1328,
              2368870.503,
              -54.60462551,
              582999.6328,
              2368998.303,
              -42.14462551
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582844.1328409114,
                    2368870.5030704,
                    -54.60462551366611
                  ],
                  [
                    582844.1328409114,
                    2368998.3030704,
                    -54.60462551366611
                  ],
                  [
                    582999.6328409114,
                    2368998.3030704,
                    -42.144625513666114
                  ],
                  [
                    582999.6328409114,
                    2368870.5030704,
                    -42.144625513666114
                  ],
                  [
                    582844.1328409114,
                    2368870.5030704,
                    -54.60462551366611
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:45:06+00:00",
            "end_time": "2013-09-11T00:32:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8269.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.20736544803611,
              21.421442263973972,
              -54.03493940238711
            ],
            [
              -158.2073166084385,
              21.430476445897593,
              -54.03493940238711
            ],
            [
              -158.19908043672794,
              21.43043725774024,
              -12.414939402387109
            ],
            [
              -158.19912978879364,
              21.42140309043787,
              -12.414939402387109
            ],
            [
              -158.20736544803611,
              21.421442263973972,
              -54.03493940238711
            ]
          ]
        ]
      },
      "bbox": [
        -158.2073654,
        21.42140309,
        -54.0349394,
        -158.1990804,
        21.43047645,
        -12.4149394
      ],
      "properties": {
        "datetime": "2013-09-19T00:45:05Z",
        "pc:count": 486178,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 582794.7629,
            "count": 486178,
            "maximum": 582999.6235,
            "minimum": 582146.0435,
            "name": "X",
            "position": 0,
            "stddev": 175.7086274,
            "variance": 30873.52174
          },
          {
            "average": 2369714.123,
            "count": 486178,
            "maximum": 2369998.462,
            "minimum": 2368998.482,
            "name": "Y",
            "position": 1,
            "stddev": 227.5420377,
            "variance": 51775.3789
          },
          {
            "average": -22.70560126,
            "count": 486178,
            "maximum": -12.4149394,
            "minimum": -54.0349394,
            "name": "Z",
            "position": 2,
            "stddev": 8.712544965,
            "variance": 75.90843976
          },
          {
            "average": 541.6014361,
            "count": 486178,
            "maximum": 8314,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 614.3848752,
            "variance": 377468.7749
          },
          {
            "average": 1.001320504,
            "count": 486178,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03631477653,
            "variance": 0.001318762995
          },
          {
            "average": 1.001694853,
            "count": 486178,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04113372652,
            "variance": 0.001691983458
          },
          {
            "average": 1,
            "count": 486178,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 486178,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 486178,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.10577658,
            "count": 486178,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.673285309,
            "variance": 93.57244867
          },
          {
            "average": 190.4559997,
            "count": 486178,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 85.93922992,
            "variance": 7385.55124
          },
          {
            "average": 5.005409541,
            "count": 486178,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.810707642,
            "variance": 14.52149273
          },
          {
            "average": 63372777.92,
            "count": 486178,
            "maximum": 63586705.87,
            "minimum": 62723171.64,
            "name": "GpsTime",
            "position": 12,
            "stddev": 338021.9966,
            "variance": 114258870200.0
          },
          {
            "average": 0,
            "count": 486178,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 486178,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 486178,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 486178,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 486178,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582146.0435,
          2368998.482,
          -54.0349394,
          582999.6235,
          2369998.462,
          -12.4149394
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582146.0434887963,
                2368998.481624375,
                -54.03493940238711
              ],
              [
                582146.0434887963,
                2369998.4616243755,
                -54.03493940238711
              ],
              [
                582999.6234887964,
                2369998.4616243755,
                -12.414939402387109
              ],
              [
                582999.6234887964,
                2368998.481624375,
                -12.414939402387109
              ],
              [
                582146.0434887963,
                2368998.481624375,
                -54.03493940238711
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:45:05+00:00",
        "end_time": "2013-09-09T00:52:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8269.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8269.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8269.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8269.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2073654,
            21.42140309,
            -54.0349394,
            -158.1990804,
            21.43047645,
            -12.4149394
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.20736544803611,
                  21.421442263973972,
                  -54.03493940238711
                ],
                [
                  -158.2073166084385,
                  21.430476445897593,
                  -54.03493940238711
                ],
                [
                  -158.19908043672794,
                  21.43043725774024,
                  -12.414939402387109
                ],
                [
                  -158.19912978879364,
                  21.42140309043787,
                  -12.414939402387109
                ],
                [
                  -158.20736544803611,
                  21.421442263973972,
                  -54.03493940238711
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8269.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8269.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:45:05Z",
            "pc:count": 486178,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 582794.7629,
                "count": 486178,
                "maximum": 582999.6235,
                "minimum": 582146.0435,
                "name": "X",
                "position": 0,
                "stddev": 175.7086274,
                "variance": 30873.52174
              },
              {
                "average": 2369714.123,
                "count": 486178,
                "maximum": 2369998.462,
                "minimum": 2368998.482,
                "name": "Y",
                "position": 1,
                "stddev": 227.5420377,
                "variance": 51775.3789
              },
              {
                "average": -22.70560126,
                "count": 486178,
                "maximum": -12.4149394,
                "minimum": -54.0349394,
                "name": "Z",
                "position": 2,
                "stddev": 8.712544965,
                "variance": 75.90843976
              },
              {
                "average": 541.6014361,
                "count": 486178,
                "maximum": 8314,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 614.3848752,
                "variance": 377468.7749
              },
              {
                "average": 1.001320504,
                "count": 486178,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03631477653,
                "variance": 0.001318762995
              },
              {
                "average": 1.001694853,
                "count": 486178,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04113372652,
                "variance": 0.001691983458
              },
              {
                "average": 1,
                "count": 486178,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 486178,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 486178,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.10577658,
                "count": 486178,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.673285309,
                "variance": 93.57244867
              },
              {
                "average": 190.4559997,
                "count": 486178,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 85.93922992,
                "variance": 7385.55124
              },
              {
                "average": 5.005409541,
                "count": 486178,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.810707642,
                "variance": 14.52149273
              },
              {
                "average": 63372777.92,
                "count": 486178,
                "maximum": 63586705.87,
                "minimum": 62723171.64,
                "name": "GpsTime",
                "position": 12,
                "stddev": 338021.9966,
                "variance": 114258870200.0
              },
              {
                "average": 0,
                "count": 486178,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 486178,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 486178,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 486178,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 486178,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582146.0435,
              2368998.482,
              -54.0349394,
              582999.6235,
              2369998.462,
              -12.4149394
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582146.0434887963,
                    2368998.481624375,
                    -54.03493940238711
                  ],
                  [
                    582146.0434887963,
                    2369998.4616243755,
                    -54.03493940238711
                  ],
                  [
                    582999.6234887964,
                    2369998.4616243755,
                    -12.414939402387109
                  ],
                  [
                    582999.6234887964,
                    2368998.481624375,
                    -12.414939402387109
                  ],
                  [
                    582146.0434887963,
                    2368998.481624375,
                    -54.03493940238711
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:45:05+00:00",
            "end_time": "2013-09-09T00:52:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8270.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2077525051191,
              21.43047848580335,
              -59.263319863172505
            ],
            [
              -158.20770373621696,
              21.439512808069125,
              -59.263319863172505
            ],
            [
              -158.19903108733575,
              21.43947153929206,
              -12.703319863172503
            ],
            [
              -158.19908039197318,
              21.430437234832798,
              -12.703319863172503
            ],
            [
              -158.2077525051191,
              21.43047848580335,
              -59.263319863172505
            ]
          ]
        ]
      },
      "bbox": [
        -158.2077525,
        21.43043723,
        -59.26331986,
        -158.1990311,
        21.43951281,
        -12.70331986
      ],
      "properties": {
        "datetime": "2013-09-19T00:44:50Z",
        "pc:count": 1142727,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 582750.0298,
            "count": 1142727,
            "maximum": 582999.6281,
            "minimum": 582100.8681,
            "name": "X",
            "position": 0,
            "stddev": 203.2951231,
            "variance": 41328.90706
          },
          {
            "average": 2370453.089,
            "count": 1142727,
            "maximum": 2370998.459,
            "minimum": 2369998.459,
            "name": "Y",
            "position": 1,
            "stddev": 280.7776112,
            "variance": 78836.06695
          },
          {
            "average": -21.86320108,
            "count": 1142727,
            "maximum": -12.70331986,
            "minimum": -59.26331986,
            "name": "Z",
            "position": 2,
            "stddev": 8.6379378,
            "variance": 74.61396944
          },
          {
            "average": 497.2141448,
            "count": 1142727,
            "maximum": 8980,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 749.7856447,
            "variance": 562178.5129
          },
          {
            "average": 1.001673191,
            "count": 1142727,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0412752498,
            "variance": 0.001703646246
          },
          {
            "average": 1.002234129,
            "count": 1142727,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04811340633,
            "variance": 0.002314899869
          },
          {
            "average": 1,
            "count": 1142727,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1142727,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1142727,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.21030379,
            "count": 1142727,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.059328248,
            "variance": 82.0714283
          },
          {
            "average": 186.3204116,
            "count": 1142727,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.23927726,
            "variance": 7786.170052
          },
          {
            "average": 6.815235835,
            "count": 1142727,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.04478489,
            "variance": 16.36028481
          },
          {
            "average": 63218646.35,
            "count": 1142727,
            "maximum": 63586690.16,
            "minimum": 62721285.58,
            "name": "GpsTime",
            "position": 12,
            "stddev": 419064.9494,
            "variance": 175615431800.0
          },
          {
            "average": 0,
            "count": 1142727,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1142727,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1142727,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1142727,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1142727,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582100.8681,
          2369998.459,
          -59.26331986,
          582999.6281,
          2370998.459,
          -12.70331986
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582100.8681399281,
                2369998.4591125306,
                -59.263319863172505
              ],
              [
                582100.8681399281,
                2370998.4591125306,
                -59.263319863172505
              ],
              [
                582999.6281399281,
                2370998.4591125306,
                -12.703319863172503
              ],
              [
                582999.6281399281,
                2369998.4591125306,
                -12.703319863172503
              ],
              [
                582100.8681399281,
                2369998.4591125306,
                -59.263319863172505
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:44:50+00:00",
        "end_time": "2013-09-09T00:21:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8270.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8270.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8270.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8270.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2077525,
            21.43043723,
            -59.26331986,
            -158.1990311,
            21.43951281,
            -12.70331986
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2077525051191,
                  21.43047848580335,
                  -59.263319863172505
                ],
                [
                  -158.20770373621696,
                  21.439512808069125,
                  -59.263319863172505
                ],
                [
                  -158.19903108733575,
                  21.43947153929206,
                  -12.703319863172503
                ],
                [
                  -158.19908039197318,
                  21.430437234832798,
                  -12.703319863172503
                ],
                [
                  -158.2077525051191,
                  21.43047848580335,
                  -59.263319863172505
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8270.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8270.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:44:50Z",
            "pc:count": 1142727,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 582750.0298,
                "count": 1142727,
                "maximum": 582999.6281,
                "minimum": 582100.8681,
                "name": "X",
                "position": 0,
                "stddev": 203.2951231,
                "variance": 41328.90706
              },
              {
                "average": 2370453.089,
                "count": 1142727,
                "maximum": 2370998.459,
                "minimum": 2369998.459,
                "name": "Y",
                "position": 1,
                "stddev": 280.7776112,
                "variance": 78836.06695
              },
              {
                "average": -21.86320108,
                "count": 1142727,
                "maximum": -12.70331986,
                "minimum": -59.26331986,
                "name": "Z",
                "position": 2,
                "stddev": 8.6379378,
                "variance": 74.61396944
              },
              {
                "average": 497.2141448,
                "count": 1142727,
                "maximum": 8980,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 749.7856447,
                "variance": 562178.5129
              },
              {
                "average": 1.001673191,
                "count": 1142727,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0412752498,
                "variance": 0.001703646246
              },
              {
                "average": 1.002234129,
                "count": 1142727,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04811340633,
                "variance": 0.002314899869
              },
              {
                "average": 1,
                "count": 1142727,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1142727,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1142727,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.21030379,
                "count": 1142727,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.059328248,
                "variance": 82.0714283
              },
              {
                "average": 186.3204116,
                "count": 1142727,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.23927726,
                "variance": 7786.170052
              },
              {
                "average": 6.815235835,
                "count": 1142727,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.04478489,
                "variance": 16.36028481
              },
              {
                "average": 63218646.35,
                "count": 1142727,
                "maximum": 63586690.16,
                "minimum": 62721285.58,
                "name": "GpsTime",
                "position": 12,
                "stddev": 419064.9494,
                "variance": 175615431800.0
              },
              {
                "average": 0,
                "count": 1142727,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1142727,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1142727,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1142727,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1142727,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582100.8681,
              2369998.459,
              -59.26331986,
              582999.6281,
              2370998.459,
              -12.70331986
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582100.8681399281,
                    2369998.4591125306,
                    -59.263319863172505
                  ],
                  [
                    582100.8681399281,
                    2370998.4591125306,
                    -59.263319863172505
                  ],
                  [
                    582999.6281399281,
                    2370998.4591125306,
                    -12.703319863172503
                  ],
                  [
                    582999.6281399281,
                    2369998.4591125306,
                    -12.703319863172503
                  ],
                  [
                    582100.8681399281,
                    2369998.4591125306,
                    -59.263319863172505
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:44:50+00:00",
            "end_time": "2013-09-09T00:21:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8668.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.17023577020007,
              21.412227640682676,
              1.232485678164442
            ],
            [
              -158.17018473527125,
              21.421262083639977,
              1.232485678164442
            ],
            [
              -158.16272258032075,
              21.421224941837618,
              26.21248567816444
            ],
            [
              -158.16277407218104,
              21.412190516303426,
              26.21248567816444
            ],
            [
              -158.17023577020007,
              21.412227640682676,
              1.232485678164442
            ]
          ]
        ]
      },
      "bbox": [
        -158.1702358,
        21.41219052,
        1.232485678,
        -158.1627226,
        21.42126208,
        26.21248568
      ],
      "properties": {
        "datetime": "2013-09-10T23:27:26Z",
        "pc:count": 6659634,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 586288.2724,
            "count": 6659634,
            "maximum": 586773.0586,
            "minimum": 585999.6386,
            "name": "X",
            "position": 0,
            "stddev": 199.1695419,
            "variance": 39668.50643
          },
          {
            "average": 2368388.808,
            "count": 6659634,
            "maximum": 2368998.474,
            "minimum": 2367998.454,
            "name": "Y",
            "position": 1,
            "stddev": 258.3731902,
            "variance": 66756.70543
          },
          {
            "average": 7.823003615,
            "count": 6659634,
            "maximum": 26.21248568,
            "minimum": 1.232485678,
            "name": "Z",
            "position": 2,
            "stddev": 3.995045756,
            "variance": 15.96039059
          },
          {
            "average": 26.46118075,
            "count": 6659634,
            "maximum": 889,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 55.36123941,
            "variance": 3064.866829
          },
          {
            "average": 1.762207503,
            "count": 6659634,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.087702926,
            "variance": 1.183097655
          },
          {
            "average": 2.524082705,
            "count": 6659634,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.582897219,
            "variance": 2.505563605
          },
          {
            "average": 1,
            "count": 6659634,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6659634,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.157807471,
            "count": 6659634,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3645604108,
            "variance": 0.1329042931
          },
          {
            "average": 20.03750647,
            "count": 6659634,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.695052304,
            "variance": 13.65341153
          },
          {
            "average": 91.64260468,
            "count": 6659634,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.29486841,
            "variance": 4395.009578
          },
          {
            "average": 1.616033404,
            "count": 6659634,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7790524764,
            "variance": 0.606922761
          },
          {
            "average": 62793433.73,
            "count": 6659634,
            "maximum": 62890846.42,
            "minimum": 62715547.87,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86164.26627,
            "variance": 7424280781
          },
          {
            "average": 0,
            "count": 6659634,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6659634,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6659634,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6659634,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6659634,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          585999.6386,
          2367998.454,
          1.232485678,
          586773.0586,
          2368998.474,
          26.21248568
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                585999.6385761697,
                2367998.4538023686,
                1.232485678164442
              ],
              [
                585999.6385761697,
                2368998.473802368,
                1.232485678164442
              ],
              [
                586773.0585761697,
                2368998.473802368,
                26.21248567816444
              ],
              [
                586773.0585761697,
                2367998.4538023686,
                26.21248567816444
              ],
              [
                585999.6385761697,
                2367998.4538023686,
                1.232485678164442
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:27:26+00:00",
        "end_time": "2013-09-08T22:45:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8668.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8668.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8668.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8668.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1702358,
            21.41219052,
            1.232485678,
            -158.1627226,
            21.42126208,
            26.21248568
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.17023577020007,
                  21.412227640682676,
                  1.232485678164442
                ],
                [
                  -158.17018473527125,
                  21.421262083639977,
                  1.232485678164442
                ],
                [
                  -158.16272258032075,
                  21.421224941837618,
                  26.21248567816444
                ],
                [
                  -158.16277407218104,
                  21.412190516303426,
                  26.21248567816444
                ],
                [
                  -158.17023577020007,
                  21.412227640682676,
                  1.232485678164442
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8668.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8668.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:27:26Z",
            "pc:count": 6659634,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 586288.2724,
                "count": 6659634,
                "maximum": 586773.0586,
                "minimum": 585999.6386,
                "name": "X",
                "position": 0,
                "stddev": 199.1695419,
                "variance": 39668.50643
              },
              {
                "average": 2368388.808,
                "count": 6659634,
                "maximum": 2368998.474,
                "minimum": 2367998.454,
                "name": "Y",
                "position": 1,
                "stddev": 258.3731902,
                "variance": 66756.70543
              },
              {
                "average": 7.823003615,
                "count": 6659634,
                "maximum": 26.21248568,
                "minimum": 1.232485678,
                "name": "Z",
                "position": 2,
                "stddev": 3.995045756,
                "variance": 15.96039059
              },
              {
                "average": 26.46118075,
                "count": 6659634,
                "maximum": 889,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 55.36123941,
                "variance": 3064.866829
              },
              {
                "average": 1.762207503,
                "count": 6659634,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.087702926,
                "variance": 1.183097655
              },
              {
                "average": 2.524082705,
                "count": 6659634,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.582897219,
                "variance": 2.505563605
              },
              {
                "average": 1,
                "count": 6659634,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6659634,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.157807471,
                "count": 6659634,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3645604108,
                "variance": 0.1329042931
              },
              {
                "average": 20.03750647,
                "count": 6659634,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.695052304,
                "variance": 13.65341153
              },
              {
                "average": 91.64260468,
                "count": 6659634,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.29486841,
                "variance": 4395.009578
              },
              {
                "average": 1.616033404,
                "count": 6659634,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7790524764,
                "variance": 0.606922761
              },
              {
                "average": 62793433.73,
                "count": 6659634,
                "maximum": 62890846.42,
                "minimum": 62715547.87,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86164.26627,
                "variance": 7424280781
              },
              {
                "average": 0,
                "count": 6659634,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6659634,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6659634,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6659634,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6659634,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              585999.6386,
              2367998.454,
              1.232485678,
              586773.0586,
              2368998.474,
              26.21248568
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    585999.6385761697,
                    2367998.4538023686,
                    1.232485678164442
                  ],
                  [
                    585999.6385761697,
                    2368998.473802368,
                    1.232485678164442
                  ],
                  [
                    586773.0585761697,
                    2368998.473802368,
                    26.21248567816444
                  ],
                  [
                    586773.0585761697,
                    2367998.4538023686,
                    26.21248567816444
                  ],
                  [
                    585999.6385761697,
                    2367998.4538023686,
                    1.232485678164442
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:27:26+00:00",
            "end_time": "2013-09-08T22:45:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8271.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2086805983475,
              21.43951742439848,
              -57.3247859855362
            ],
            [
              -158.20863187530887,
              21.448551734145244,
              -57.3247859855362
            ],
            [
              -158.19898170590082,
              21.448505825091825,
              -2.304785985536199
            ],
            [
              -158.19903102488126,
              21.43947153543596,
              -2.304785985536199
            ],
            [
              -158.2086805983475,
              21.43951742439848,
              -57.3247859855362
            ]
          ]
        ]
      },
      "bbox": [
        -158.2086806,
        21.43947154,
        -57.32478599,
        -158.1989817,
        21.44855173,
        -2.304785986
      ],
      "properties": {
        "datetime": "2013-09-18T21:12:55Z",
        "pc:count": 2876896,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 582686.163,
            "count": 2876896,
            "maximum": 582999.6346,
            "minimum": 581999.6346,
            "name": "X",
            "position": 0,
            "stddev": 236.7581127,
            "variance": 56054.40395
          },
          {
            "average": 2371623.913,
            "count": 2876896,
            "maximum": 2371998.459,
            "minimum": 2370998.459,
            "name": "Y",
            "position": 1,
            "stddev": 260.7060403,
            "variance": 67967.63946
          },
          {
            "average": -15.54754581,
            "count": 2876896,
            "maximum": -2.304785986,
            "minimum": -57.32478599,
            "name": "Z",
            "position": 2,
            "stddev": 8.0423907,
            "variance": 64.68004818
          },
          {
            "average": 202.7508912,
            "count": 2876896,
            "maximum": 8920,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 356.1656093,
            "variance": 126853.9413
          },
          {
            "average": 1.004081482,
            "count": 2876896,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.064168995,
            "variance": 0.00411765992
          },
          {
            "average": 1.007404508,
            "count": 2876896,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08651330321,
            "variance": 0.007484551632
          },
          {
            "average": 1,
            "count": 2876896,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2876896,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2876896,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.56233081,
            "count": 2876896,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.422897164,
            "variance": 55.0994023
          },
          {
            "average": 146.8713951,
            "count": 2876896,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 94.34345269,
            "variance": 8900.687066
          },
          {
            "average": 5.873807048,
            "count": 2876896,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.336781749,
            "variance": 11.13411244
          },
          {
            "average": 63062087.53,
            "count": 2876896,
            "maximum": 63573975.82,
            "minimum": 62718935.57,
            "name": "GpsTime",
            "position": 12,
            "stddev": 400189.7831,
            "variance": 160151862500.0
          },
          {
            "average": 0,
            "count": 2876896,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2876896,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2876896,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2876896,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2876896,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          581999.6346,
          2370998.459,
          -57.32478599,
          582999.6346,
          2371998.459,
          -2.304785986
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                581999.634614208,
                2370998.458718789,
                -57.3247859855362
              ],
              [
                581999.634614208,
                2371998.458718789,
                -57.3247859855362
              ],
              [
                582999.634614208,
                2371998.458718789,
                -2.304785985536199
              ],
              [
                582999.634614208,
                2370998.458718789,
                -2.304785985536199
              ],
              [
                581999.634614208,
                2370998.458718789,
                -57.3247859855362
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:12:55+00:00",
        "end_time": "2013-09-08T23:42:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8271.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8271.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8271.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8271.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2086806,
            21.43947154,
            -57.32478599,
            -158.1989817,
            21.44855173,
            -2.304785986
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2086805983475,
                  21.43951742439848,
                  -57.3247859855362
                ],
                [
                  -158.20863187530887,
                  21.448551734145244,
                  -57.3247859855362
                ],
                [
                  -158.19898170590082,
                  21.448505825091825,
                  -2.304785985536199
                ],
                [
                  -158.19903102488126,
                  21.43947153543596,
                  -2.304785985536199
                ],
                [
                  -158.2086805983475,
                  21.43951742439848,
                  -57.3247859855362
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8271.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8271.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:12:55Z",
            "pc:count": 2876896,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 582686.163,
                "count": 2876896,
                "maximum": 582999.6346,
                "minimum": 581999.6346,
                "name": "X",
                "position": 0,
                "stddev": 236.7581127,
                "variance": 56054.40395
              },
              {
                "average": 2371623.913,
                "count": 2876896,
                "maximum": 2371998.459,
                "minimum": 2370998.459,
                "name": "Y",
                "position": 1,
                "stddev": 260.7060403,
                "variance": 67967.63946
              },
              {
                "average": -15.54754581,
                "count": 2876896,
                "maximum": -2.304785986,
                "minimum": -57.32478599,
                "name": "Z",
                "position": 2,
                "stddev": 8.0423907,
                "variance": 64.68004818
              },
              {
                "average": 202.7508912,
                "count": 2876896,
                "maximum": 8920,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 356.1656093,
                "variance": 126853.9413
              },
              {
                "average": 1.004081482,
                "count": 2876896,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.064168995,
                "variance": 0.00411765992
              },
              {
                "average": 1.007404508,
                "count": 2876896,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08651330321,
                "variance": 0.007484551632
              },
              {
                "average": 1,
                "count": 2876896,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2876896,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2876896,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.56233081,
                "count": 2876896,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.422897164,
                "variance": 55.0994023
              },
              {
                "average": 146.8713951,
                "count": 2876896,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 94.34345269,
                "variance": 8900.687066
              },
              {
                "average": 5.873807048,
                "count": 2876896,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.336781749,
                "variance": 11.13411244
              },
              {
                "average": 63062087.53,
                "count": 2876896,
                "maximum": 63573975.82,
                "minimum": 62718935.57,
                "name": "GpsTime",
                "position": 12,
                "stddev": 400189.7831,
                "variance": 160151862500.0
              },
              {
                "average": 0,
                "count": 2876896,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2876896,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2876896,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2876896,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2876896,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              581999.6346,
              2370998.459,
              -57.32478599,
              582999.6346,
              2371998.459,
              -2.304785986
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    581999.634614208,
                    2370998.458718789,
                    -57.3247859855362
                  ],
                  [
                    581999.634614208,
                    2371998.458718789,
                    -57.3247859855362
                  ],
                  [
                    582999.634614208,
                    2371998.458718789,
                    -2.304785985536199
                  ],
                  [
                    582999.634614208,
                    2370998.458718789,
                    -2.304785985536199
                  ],
                  [
                    581999.634614208,
                    2370998.458718789,
                    -57.3247859855362
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:12:55+00:00",
            "end_time": "2013-09-08T23:42:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7981.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.23715957258463,
              21.529994698137145,
              -50.713052475167395
            ],
            [
              -158.23711240213206,
              21.539029144178603,
              -50.713052475167395
            ],
            [
              -158.22745619774938,
              21.538984702280885,
              167.14694752483263
            ],
            [
              -158.22750396413392,
              21.5299502772856,
              167.14694752483263
            ],
            [
              -158.23715957258463,
              21.529994698137145,
              -50.713052475167395
            ]
          ]
        ]
      },
      "bbox": [
        -158.2371596,
        21.52995028,
        -50.71305248,
        -158.2274562,
        21.53902914,
        167.1469475
      ],
      "properties": {
        "datetime": "2013-09-12T19:02:08Z",
        "pc:count": 5590780,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579636.2236,
            "count": 5590780,
            "maximum": 579999.605,
            "minimum": 578999.605,
            "name": "X",
            "position": 0,
            "stddev": 256.452557,
            "variance": 65767.91397
          },
          {
            "average": 2381518.565,
            "count": 5590780,
            "maximum": 2381998.458,
            "minimum": 2380998.438,
            "name": "Y",
            "position": 1,
            "stddev": 273.6454785,
            "variance": 74881.8479
          },
          {
            "average": 2.9325281,
            "count": 5590780,
            "maximum": 167.1469475,
            "minimum": -50.71305248,
            "name": "Z",
            "position": 2,
            "stddev": 16.44344325,
            "variance": 270.3868259
          },
          {
            "average": 41.07322681,
            "count": 5590780,
            "maximum": 4076,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 122.7564623,
            "variance": 15069.14904
          },
          {
            "average": 1.393972397,
            "count": 5590780,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7746584222,
            "variance": 0.6000956711
          },
          {
            "average": 1.782089619,
            "count": 5590780,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.163045586,
            "variance": 1.352675035
          },
          {
            "average": 1,
            "count": 5590780,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5590780,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.034231,
            "count": 5590780,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.57898895,
            "variance": 184.388941
          },
          {
            "average": 18.58586948,
            "count": 5590780,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.348148903,
            "variance": 40.29899449
          },
          {
            "average": 110.822824,
            "count": 5590780,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 81.81240493,
            "variance": 6693.269601
          },
          {
            "average": 4.319626242,
            "count": 5590780,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.646772751,
            "variance": 2.711860492
          },
          {
            "average": 63045213.58,
            "count": 5590780,
            "maximum": 63047728.45,
            "minimum": 62969908.86,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4408.676372,
            "variance": 19436427.36
          },
          {
            "average": 0,
            "count": 5590780,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5590780,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5590780,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5590780,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5590780,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.605,
          2380998.438,
          -50.71305248,
          579999.605,
          2381998.458,
          167.1469475
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.6050455983,
                2380998.438168209,
                -50.713052475167395
              ],
              [
                578999.6050455983,
                2381998.4581682086,
                -50.713052475167395
              ],
              [
                579999.6050455983,
                2381998.4581682086,
                167.14694752483263
              ],
              [
                579999.6050455983,
                2380998.438168209,
                167.14694752483263
              ],
              [
                578999.6050455983,
                2380998.438168209,
                -50.713052475167395
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T19:02:08+00:00",
        "end_time": "2013-09-11T21:25:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7981.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7981.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7981.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7981.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2371596,
            21.52995028,
            -50.71305248,
            -158.2274562,
            21.53902914,
            167.1469475
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.23715957258463,
                  21.529994698137145,
                  -50.713052475167395
                ],
                [
                  -158.23711240213206,
                  21.539029144178603,
                  -50.713052475167395
                ],
                [
                  -158.22745619774938,
                  21.538984702280885,
                  167.14694752483263
                ],
                [
                  -158.22750396413392,
                  21.5299502772856,
                  167.14694752483263
                ],
                [
                  -158.23715957258463,
                  21.529994698137145,
                  -50.713052475167395
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7981.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7981.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T19:02:08Z",
            "pc:count": 5590780,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579636.2236,
                "count": 5590780,
                "maximum": 579999.605,
                "minimum": 578999.605,
                "name": "X",
                "position": 0,
                "stddev": 256.452557,
                "variance": 65767.91397
              },
              {
                "average": 2381518.565,
                "count": 5590780,
                "maximum": 2381998.458,
                "minimum": 2380998.438,
                "name": "Y",
                "position": 1,
                "stddev": 273.6454785,
                "variance": 74881.8479
              },
              {
                "average": 2.9325281,
                "count": 5590780,
                "maximum": 167.1469475,
                "minimum": -50.71305248,
                "name": "Z",
                "position": 2,
                "stddev": 16.44344325,
                "variance": 270.3868259
              },
              {
                "average": 41.07322681,
                "count": 5590780,
                "maximum": 4076,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 122.7564623,
                "variance": 15069.14904
              },
              {
                "average": 1.393972397,
                "count": 5590780,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7746584222,
                "variance": 0.6000956711
              },
              {
                "average": 1.782089619,
                "count": 5590780,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.163045586,
                "variance": 1.352675035
              },
              {
                "average": 1,
                "count": 5590780,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5590780,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.034231,
                "count": 5590780,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.57898895,
                "variance": 184.388941
              },
              {
                "average": 18.58586948,
                "count": 5590780,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.348148903,
                "variance": 40.29899449
              },
              {
                "average": 110.822824,
                "count": 5590780,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 81.81240493,
                "variance": 6693.269601
              },
              {
                "average": 4.319626242,
                "count": 5590780,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.646772751,
                "variance": 2.711860492
              },
              {
                "average": 63045213.58,
                "count": 5590780,
                "maximum": 63047728.45,
                "minimum": 62969908.86,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4408.676372,
                "variance": 19436427.36
              },
              {
                "average": 0,
                "count": 5590780,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5590780,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5590780,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5590780,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5590780,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.605,
              2380998.438,
              -50.71305248,
              579999.605,
              2381998.458,
              167.1469475
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.6050455983,
                    2380998.438168209,
                    -50.713052475167395
                  ],
                  [
                    578999.6050455983,
                    2381998.4581682086,
                    -50.713052475167395
                  ],
                  [
                    579999.6050455983,
                    2381998.4581682086,
                    167.14694752483263
                  ],
                  [
                    579999.6050455983,
                    2380998.438168209,
                    167.14694752483263
                  ],
                  [
                    578999.6050455983,
                    2380998.438168209,
                    -50.713052475167395
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T19:02:08+00:00",
            "end_time": "2013-09-11T21:25:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8669.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.17018474499136,
              21.42126198012843,
              2.168602725284599
            ],
            [
              -158.1701749736378,
              21.422991137051422,
              2.168602725284599
            ],
            [
              -158.16910516144745,
              21.42298583214591,
              14.828602725284599
            ],
            [
              -158.169114945338,
              21.42125667569939,
              14.828602725284599
            ],
            [
              -158.17018474499136,
              21.42126198012843,
              2.168602725284599
            ]
          ]
        ]
      },
      "bbox": [
        -158.1701847,
        21.42125668,
        2.168602725,
        -158.1691052,
        21.42299114,
        14.82860273
      ],
      "properties": {
        "datetime": "2013-09-10T22:56:44Z",
        "pc:count": 117370,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 586037.5988,
            "count": 117370,
            "maximum": 586110.5176,
            "minimum": 585999.6376,
            "name": "X",
            "position": 0,
            "stddev": 23.74689629,
            "variance": 563.9150832
          },
          {
            "average": 2369070.555,
            "count": 117370,
            "maximum": 2369189.862,
            "minimum": 2368998.462,
            "name": "Y",
            "position": 1,
            "stddev": 48.49358896,
            "variance": 2351.62817
          },
          {
            "average": 4.657852704,
            "count": 117370,
            "maximum": 14.82860273,
            "minimum": 2.168602725,
            "name": "Z",
            "position": 2,
            "stddev": 2.187296344,
            "variance": 4.784265296
          },
          {
            "average": 36.9362188,
            "count": 117370,
            "maximum": 714,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 68.04127409,
            "variance": 4629.61498
          },
          {
            "average": 1.333969498,
            "count": 117370,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7297964425,
            "variance": 0.5326028475
          },
          {
            "average": 1.66321888,
            "count": 117370,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.103144957,
            "variance": 1.216928796
          },
          {
            "average": 1,
            "count": 117370,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 117370,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.138595893,
            "count": 117370,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3455258151,
            "variance": 0.1193880889
          },
          {
            "average": 19.4677556,
            "count": 117370,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.922684731,
            "variance": 8.542086034
          },
          {
            "average": 91.22745165,
            "count": 117370,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.08522984,
            "variance": 4236.087144
          },
          {
            "average": 1,
            "count": 117370,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62798264.88,
            "count": 117370,
            "maximum": 62889004.7,
            "minimum": 62715546.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86634.08003,
            "variance": 7505463822
          },
          {
            "average": 0,
            "count": 117370,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 117370,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 117370,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 117370,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 117370,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          585999.6376,
          2368998.462,
          2.168602725,
          586110.5176,
          2369189.862,
          14.82860273
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                585999.6376293732,
                2368998.4623396895,
                2.168602725284599
              ],
              [
                585999.6376293732,
                2369189.86233969,
                2.168602725284599
              ],
              [
                586110.5176293731,
                2369189.86233969,
                14.828602725284599
              ],
              [
                586110.5176293731,
                2368998.4623396895,
                14.828602725284599
              ],
              [
                585999.6376293732,
                2368998.4623396895,
                2.168602725284599
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T22:56:44+00:00",
        "end_time": "2013-09-08T22:45:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8669.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8669.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8669.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8669.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1701847,
            21.42125668,
            2.168602725,
            -158.1691052,
            21.42299114,
            14.82860273
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.17018474499136,
                  21.42126198012843,
                  2.168602725284599
                ],
                [
                  -158.1701749736378,
                  21.422991137051422,
                  2.168602725284599
                ],
                [
                  -158.16910516144745,
                  21.42298583214591,
                  14.828602725284599
                ],
                [
                  -158.169114945338,
                  21.42125667569939,
                  14.828602725284599
                ],
                [
                  -158.17018474499136,
                  21.42126198012843,
                  2.168602725284599
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8669.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8669.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T22:56:44Z",
            "pc:count": 117370,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 586037.5988,
                "count": 117370,
                "maximum": 586110.5176,
                "minimum": 585999.6376,
                "name": "X",
                "position": 0,
                "stddev": 23.74689629,
                "variance": 563.9150832
              },
              {
                "average": 2369070.555,
                "count": 117370,
                "maximum": 2369189.862,
                "minimum": 2368998.462,
                "name": "Y",
                "position": 1,
                "stddev": 48.49358896,
                "variance": 2351.62817
              },
              {
                "average": 4.657852704,
                "count": 117370,
                "maximum": 14.82860273,
                "minimum": 2.168602725,
                "name": "Z",
                "position": 2,
                "stddev": 2.187296344,
                "variance": 4.784265296
              },
              {
                "average": 36.9362188,
                "count": 117370,
                "maximum": 714,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 68.04127409,
                "variance": 4629.61498
              },
              {
                "average": 1.333969498,
                "count": 117370,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7297964425,
                "variance": 0.5326028475
              },
              {
                "average": 1.66321888,
                "count": 117370,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.103144957,
                "variance": 1.216928796
              },
              {
                "average": 1,
                "count": 117370,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 117370,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.138595893,
                "count": 117370,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3455258151,
                "variance": 0.1193880889
              },
              {
                "average": 19.4677556,
                "count": 117370,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.922684731,
                "variance": 8.542086034
              },
              {
                "average": 91.22745165,
                "count": 117370,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.08522984,
                "variance": 4236.087144
              },
              {
                "average": 1,
                "count": 117370,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62798264.88,
                "count": 117370,
                "maximum": 62889004.7,
                "minimum": 62715546.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86634.08003,
                "variance": 7505463822
              },
              {
                "average": 0,
                "count": 117370,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 117370,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 117370,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 117370,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 117370,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              585999.6376,
              2368998.462,
              2.168602725,
              586110.5176,
              2369189.862,
              14.82860273
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    585999.6376293732,
                    2368998.4623396895,
                    2.168602725284599
                  ],
                  [
                    585999.6376293732,
                    2369189.86233969,
                    2.168602725284599
                  ],
                  [
                    586110.5176293731,
                    2369189.86233969,
                    14.828602725284599
                  ],
                  [
                    586110.5176293731,
                    2368998.4623396895,
                    14.828602725284599
                  ],
                  [
                    585999.6376293732,
                    2368998.4623396895,
                    2.168602725284599
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T22:56:44+00:00",
            "end_time": "2013-09-08T22:45:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8685.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1693140947728,
              21.57475476833878,
              1.857338842581193
            ],
            [
              -158.16931359322186,
              21.574842760256526,
              1.857338842581193
            ],
            [
              -158.167572945877,
              21.57483407179724,
              21.91733884258119
            ],
            [
              -158.1675734484887,
              21.57474607991586,
              21.91733884258119
            ],
            [
              -158.1693140947728,
              21.57475476833878,
              1.857338842581193
            ]
          ]
        ]
      },
      "bbox": [
        -158.1693141,
        21.57474608,
        1.857338843,
        -158.1675729,
        21.57484276,
        21.91733884
      ],
      "properties": {
        "datetime": "2013-09-10T16:39:26Z",
        "pc:count": 15484,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 586074.983,
            "count": 15484,
            "maximum": 586179.8378,
            "minimum": 585999.6178,
            "name": "X",
            "position": 0,
            "stddev": 45.99991132,
            "variance": 2115.991841
          },
          {
            "average": 2385994.552,
            "count": 15484,
            "maximum": 2385998.465,
            "minimum": 2385988.725,
            "name": "Y",
            "position": 1,
            "stddev": 2.688956552,
            "variance": 7.230487341
          },
          {
            "average": 5.993625332,
            "count": 15484,
            "maximum": 21.91733884,
            "minimum": 1.857338843,
            "name": "Z",
            "position": 2,
            "stddev": 4.090045392,
            "variance": 16.72847131
          },
          {
            "average": 12.0014854,
            "count": 15484,
            "maximum": 78,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.5317603,
            "variance": 211.1720575
          },
          {
            "average": 1.776608112,
            "count": 15484,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.143184693,
            "variance": 1.306871243
          },
          {
            "average": 2.189356755,
            "count": 15484,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.404562692,
            "variance": 1.972796357
          },
          {
            "average": 1,
            "count": 15484,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15484,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.142727977,
            "count": 15484,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3498065243,
            "variance": 0.1223646044
          },
          {
            "average": 25.02080833,
            "count": 15484,
            "maximum": 25.99799919,
            "minimum": 24,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.5761416976,
            "variance": 0.3319392557
          },
          {
            "average": 87.57427021,
            "count": 15484,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.80875679,
            "variance": 5156.497551
          },
          {
            "average": 1,
            "count": 15484,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62866364.69,
            "count": 15484,
            "maximum": 62866366.28,
            "minimum": 62866362.94,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.735854814,
            "variance": 0.5414823073
          },
          {
            "average": 0,
            "count": 15484,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15484,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15484,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15484,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15484,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          585999.6178,
          2385988.725,
          1.857338843,
          586179.8378,
          2385998.465,
          21.91733884
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                585999.6177791255,
                2385988.725476159,
                1.857338842581193
              ],
              [
                585999.6177791255,
                2385998.465476159,
                1.857338842581193
              ],
              [
                586179.8377791254,
                2385998.465476159,
                21.91733884258119
              ],
              [
                586179.8377791254,
                2385988.725476159,
                21.91733884258119
              ],
              [
                585999.6177791255,
                2385988.725476159,
                1.857338842581193
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T16:39:26+00:00",
        "end_time": "2013-09-10T16:39:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8685.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8685.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8685.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8685.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1693141,
            21.57474608,
            1.857338843,
            -158.1675729,
            21.57484276,
            21.91733884
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1693140947728,
                  21.57475476833878,
                  1.857338842581193
                ],
                [
                  -158.16931359322186,
                  21.574842760256526,
                  1.857338842581193
                ],
                [
                  -158.167572945877,
                  21.57483407179724,
                  21.91733884258119
                ],
                [
                  -158.1675734484887,
                  21.57474607991586,
                  21.91733884258119
                ],
                [
                  -158.1693140947728,
                  21.57475476833878,
                  1.857338842581193
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8685.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8685.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T16:39:26Z",
            "pc:count": 15484,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 586074.983,
                "count": 15484,
                "maximum": 586179.8378,
                "minimum": 585999.6178,
                "name": "X",
                "position": 0,
                "stddev": 45.99991132,
                "variance": 2115.991841
              },
              {
                "average": 2385994.552,
                "count": 15484,
                "maximum": 2385998.465,
                "minimum": 2385988.725,
                "name": "Y",
                "position": 1,
                "stddev": 2.688956552,
                "variance": 7.230487341
              },
              {
                "average": 5.993625332,
                "count": 15484,
                "maximum": 21.91733884,
                "minimum": 1.857338843,
                "name": "Z",
                "position": 2,
                "stddev": 4.090045392,
                "variance": 16.72847131
              },
              {
                "average": 12.0014854,
                "count": 15484,
                "maximum": 78,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.5317603,
                "variance": 211.1720575
              },
              {
                "average": 1.776608112,
                "count": 15484,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.143184693,
                "variance": 1.306871243
              },
              {
                "average": 2.189356755,
                "count": 15484,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.404562692,
                "variance": 1.972796357
              },
              {
                "average": 1,
                "count": 15484,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15484,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.142727977,
                "count": 15484,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3498065243,
                "variance": 0.1223646044
              },
              {
                "average": 25.02080833,
                "count": 15484,
                "maximum": 25.99799919,
                "minimum": 24,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.5761416976,
                "variance": 0.3319392557
              },
              {
                "average": 87.57427021,
                "count": 15484,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.80875679,
                "variance": 5156.497551
              },
              {
                "average": 1,
                "count": 15484,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62866364.69,
                "count": 15484,
                "maximum": 62866366.28,
                "minimum": 62866362.94,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.735854814,
                "variance": 0.5414823073
              },
              {
                "average": 0,
                "count": 15484,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15484,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15484,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15484,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15484,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              585999.6178,
              2385988.725,
              1.857338843,
              586179.8378,
              2385998.465,
              21.91733884
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    585999.6177791255,
                    2385988.725476159,
                    1.857338842581193
                  ],
                  [
                    585999.6177791255,
                    2385998.465476159,
                    1.857338842581193
                  ],
                  [
                    586179.8377791254,
                    2385998.465476159,
                    21.91733884258119
                  ],
                  [
                    586179.8377791254,
                    2385988.725476159,
                    21.91733884258119
                  ],
                  [
                    585999.6177791255,
                    2385988.725476159,
                    1.857338842581193
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T16:39:26+00:00",
            "end_time": "2013-09-10T16:39:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8686.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.16931363058936,
              21.574842790824768,
              -7.294325156103287
            ],
            [
              -158.16926211020296,
              21.583876867197862,
              -7.294325156103287
            ],
            [
              -158.15960305468275,
              21.583828407154854,
              45.82567484389672
            ],
            [
              -158.1596551841497,
              21.57479435079926,
              45.82567484389672
            ],
            [
              -158.16931363058936,
              21.574842790824768,
              -7.294325156103287
            ]
          ]
        ]
      },
      "bbox": [
        -158.1693136,
        21.57479435,
        -7.294325156,
        -158.1596031,
        21.58387687,
        45.82567484
      ],
      "properties": {
        "datetime": "2013-09-11T20:41:51Z",
        "pc:count": 6309710,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 586491.1517,
            "count": 6309710,
            "maximum": 586999.6139,
            "minimum": 585999.6139,
            "name": "X",
            "position": 0,
            "stddev": 281.8692423,
            "variance": 79450.26977
          },
          {
            "average": 2386414.601,
            "count": 6309710,
            "maximum": 2386998.469,
            "minimum": 2385998.469,
            "name": "Y",
            "position": 1,
            "stddev": 253.16147,
            "variance": 64090.72988
          },
          {
            "average": 4.683212453,
            "count": 6309710,
            "maximum": 45.82567484,
            "minimum": -7.294325156,
            "name": "Z",
            "position": 2,
            "stddev": 6.081535325,
            "variance": 36.98507191
          },
          {
            "average": 13.29353837,
            "count": 6309710,
            "maximum": 1187,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.62890475,
            "variance": 512.0673301
          },
          {
            "average": 1.456230793,
            "count": 6309710,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8559169372,
            "variance": 0.7325938034
          },
          {
            "average": 1.898537968,
            "count": 6309710,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.296377585,
            "variance": 1.680594844
          },
          {
            "average": 1,
            "count": 6309710,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6309710,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.853475516,
            "count": 6309710,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.87908616,
            "variance": 141.1126879
          },
          {
            "average": 19.04971768,
            "count": 6309710,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.438162582,
            "variance": 29.57361227
          },
          {
            "average": 89.96008517,
            "count": 6309710,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.63696803,
            "variance": 4574.759445
          },
          {
            "average": 2.927011067,
            "count": 6309710,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.52988289,
            "variance": 2.340541656
          },
          {
            "average": 62887702.66,
            "count": 6309710,
            "maximum": 62967311.93,
            "minimum": 62866360.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 40551.28885,
            "variance": 1644407028
          },
          {
            "average": 0,
            "count": 6309710,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6309710,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6309710,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6309710,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6309710,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          585999.6139,
          2385998.469,
          -7.294325156,
          586999.6139,
          2386998.469,
          45.82567484
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                585999.6138923094,
                2385998.4688390987,
                -7.294325156103287
              ],
              [
                585999.6138923094,
                2386998.4688390987,
                -7.294325156103287
              ],
              [
                586999.6138923094,
                2386998.4688390987,
                45.82567484389672
              ],
              [
                586999.6138923094,
                2385998.4688390987,
                45.82567484389672
              ],
              [
                585999.6138923094,
                2385998.4688390987,
                -7.294325156103287
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:41:51+00:00",
        "end_time": "2013-09-10T16:39:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8686.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8686.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8686.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8686.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1693136,
            21.57479435,
            -7.294325156,
            -158.1596031,
            21.58387687,
            45.82567484
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.16931363058936,
                  21.574842790824768,
                  -7.294325156103287
                ],
                [
                  -158.16926211020296,
                  21.583876867197862,
                  -7.294325156103287
                ],
                [
                  -158.15960305468275,
                  21.583828407154854,
                  45.82567484389672
                ],
                [
                  -158.1596551841497,
                  21.57479435079926,
                  45.82567484389672
                ],
                [
                  -158.16931363058936,
                  21.574842790824768,
                  -7.294325156103287
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8686.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8686.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:41:51Z",
            "pc:count": 6309710,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 586491.1517,
                "count": 6309710,
                "maximum": 586999.6139,
                "minimum": 585999.6139,
                "name": "X",
                "position": 0,
                "stddev": 281.8692423,
                "variance": 79450.26977
              },
              {
                "average": 2386414.601,
                "count": 6309710,
                "maximum": 2386998.469,
                "minimum": 2385998.469,
                "name": "Y",
                "position": 1,
                "stddev": 253.16147,
                "variance": 64090.72988
              },
              {
                "average": 4.683212453,
                "count": 6309710,
                "maximum": 45.82567484,
                "minimum": -7.294325156,
                "name": "Z",
                "position": 2,
                "stddev": 6.081535325,
                "variance": 36.98507191
              },
              {
                "average": 13.29353837,
                "count": 6309710,
                "maximum": 1187,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.62890475,
                "variance": 512.0673301
              },
              {
                "average": 1.456230793,
                "count": 6309710,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8559169372,
                "variance": 0.7325938034
              },
              {
                "average": 1.898537968,
                "count": 6309710,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.296377585,
                "variance": 1.680594844
              },
              {
                "average": 1,
                "count": 6309710,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6309710,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.853475516,
                "count": 6309710,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.87908616,
                "variance": 141.1126879
              },
              {
                "average": 19.04971768,
                "count": 6309710,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.438162582,
                "variance": 29.57361227
              },
              {
                "average": 89.96008517,
                "count": 6309710,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.63696803,
                "variance": 4574.759445
              },
              {
                "average": 2.927011067,
                "count": 6309710,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.52988289,
                "variance": 2.340541656
              },
              {
                "average": 62887702.66,
                "count": 6309710,
                "maximum": 62967311.93,
                "minimum": 62866360.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 40551.28885,
                "variance": 1644407028
              },
              {
                "average": 0,
                "count": 6309710,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6309710,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6309710,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6309710,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6309710,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              585999.6139,
              2385998.469,
              -7.294325156,
              586999.6139,
              2386998.469,
              45.82567484
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    585999.6138923094,
                    2385998.4688390987,
                    -7.294325156103287
                  ],
                  [
                    585999.6138923094,
                    2386998.4688390987,
                    -7.294325156103287
                  ],
                  [
                    586999.6138923094,
                    2386998.4688390987,
                    45.82567484389672
                  ],
                  [
                    586999.6138923094,
                    2385998.4688390987,
                    45.82567484389672
                  ],
                  [
                    585999.6138923094,
                    2385998.4688390987,
                    -7.294325156103287
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:41:51+00:00",
            "end_time": "2013-09-10T16:39:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8272.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.20863188048787,
              21.448551714902806,
              -28.42647858203987
            ],
            [
              -158.20858314291698,
              21.45758601014723,
              -28.42647858203987
            ],
            [
              -158.1989323777574,
              21.457540080696365,
              30.833521417960128
            ],
            [
              -158.19898171108105,
              21.448505805849724,
              30.833521417960128
            ],
            [
              -158.20863188048787,
              21.448551714902806,
              -28.42647858203987
            ]
          ]
        ]
      },
      "bbox": [
        -158.2086319,
        21.44850581,
        -28.42647858,
        -158.1989324,
        21.45758601,
        30.83352142
      ],
      "properties": {
        "datetime": "2013-09-18T21:06:30Z",
        "pc:count": 8313660,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 582561.7427,
            "count": 8313660,
            "maximum": 582999.6341,
            "minimum": 581999.6341,
            "name": "X",
            "position": 0,
            "stddev": 282.5359708,
            "variance": 79826.57481
          },
          {
            "average": 2372569.562,
            "count": 8313660,
            "maximum": 2372998.457,
            "minimum": 2371998.457,
            "name": "Y",
            "position": 1,
            "stddev": 280.0646345,
            "variance": 78436.19947
          },
          {
            "average": -3.091139076,
            "count": 8313660,
            "maximum": 30.83352142,
            "minimum": -28.42647858,
            "name": "Z",
            "position": 2,
            "stddev": 7.023558844,
            "variance": 49.33037883
          },
          {
            "average": 32.64283841,
            "count": 8313660,
            "maximum": 8958,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 81.65705541,
            "variance": 6667.874699
          },
          {
            "average": 1.107204047,
            "count": 8313660,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4461620224,
            "variance": 0.1990605503
          },
          {
            "average": 1.212787629,
            "count": 8313660,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7098320755,
            "variance": 0.5038615755
          },
          {
            "average": 1,
            "count": 8313660,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8313660,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.13737151,
            "count": 8313660,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.96627859,
            "variance": 168.1243806
          },
          {
            "average": 19.69167803,
            "count": 8313660,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.800570425,
            "variance": 14.44433556
          },
          {
            "average": 95.41164505,
            "count": 8313660,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.31330336,
            "variance": 5085.587236
          },
          {
            "average": 5.20474003,
            "count": 8313660,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.075603447,
            "variance": 4.308129671
          },
          {
            "average": 62880568.88,
            "count": 8313660,
            "maximum": 63573590.91,
            "minimum": 62716765.68,
            "name": "GpsTime",
            "position": 12,
            "stddev": 261469.1044,
            "variance": 68366092560.0
          },
          {
            "average": 0,
            "count": 8313660,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8313660,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8313660,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8313660,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8313660,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          581999.6341,
          2371998.457,
          -28.42647858,
          582999.6341,
          2372998.457,
          30.83352142
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                581999.6340883058,
                2371998.4565862017,
                -28.42647858203987
              ],
              [
                581999.6340883058,
                2372998.4565862017,
                -28.42647858203987
              ],
              [
                582999.6340883058,
                2372998.4565862017,
                30.833521417960128
              ],
              [
                582999.6340883058,
                2371998.4565862017,
                30.833521417960128
              ],
              [
                581999.6340883058,
                2371998.4565862017,
                -28.42647858203987
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:06:30+00:00",
        "end_time": "2013-09-08T23:06:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8272.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8272.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8272.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8272.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2086319,
            21.44850581,
            -28.42647858,
            -158.1989324,
            21.45758601,
            30.83352142
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.20863188048787,
                  21.448551714902806,
                  -28.42647858203987
                ],
                [
                  -158.20858314291698,
                  21.45758601014723,
                  -28.42647858203987
                ],
                [
                  -158.1989323777574,
                  21.457540080696365,
                  30.833521417960128
                ],
                [
                  -158.19898171108105,
                  21.448505805849724,
                  30.833521417960128
                ],
                [
                  -158.20863188048787,
                  21.448551714902806,
                  -28.42647858203987
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8272.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8272.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:06:30Z",
            "pc:count": 8313660,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 582561.7427,
                "count": 8313660,
                "maximum": 582999.6341,
                "minimum": 581999.6341,
                "name": "X",
                "position": 0,
                "stddev": 282.5359708,
                "variance": 79826.57481
              },
              {
                "average": 2372569.562,
                "count": 8313660,
                "maximum": 2372998.457,
                "minimum": 2371998.457,
                "name": "Y",
                "position": 1,
                "stddev": 280.0646345,
                "variance": 78436.19947
              },
              {
                "average": -3.091139076,
                "count": 8313660,
                "maximum": 30.83352142,
                "minimum": -28.42647858,
                "name": "Z",
                "position": 2,
                "stddev": 7.023558844,
                "variance": 49.33037883
              },
              {
                "average": 32.64283841,
                "count": 8313660,
                "maximum": 8958,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 81.65705541,
                "variance": 6667.874699
              },
              {
                "average": 1.107204047,
                "count": 8313660,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4461620224,
                "variance": 0.1990605503
              },
              {
                "average": 1.212787629,
                "count": 8313660,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7098320755,
                "variance": 0.5038615755
              },
              {
                "average": 1,
                "count": 8313660,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8313660,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.13737151,
                "count": 8313660,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.96627859,
                "variance": 168.1243806
              },
              {
                "average": 19.69167803,
                "count": 8313660,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.800570425,
                "variance": 14.44433556
              },
              {
                "average": 95.41164505,
                "count": 8313660,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.31330336,
                "variance": 5085.587236
              },
              {
                "average": 5.20474003,
                "count": 8313660,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.075603447,
                "variance": 4.308129671
              },
              {
                "average": 62880568.88,
                "count": 8313660,
                "maximum": 63573590.91,
                "minimum": 62716765.68,
                "name": "GpsTime",
                "position": 12,
                "stddev": 261469.1044,
                "variance": 68366092560.0
              },
              {
                "average": 0,
                "count": 8313660,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8313660,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8313660,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8313660,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8313660,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              581999.6341,
              2371998.457,
              -28.42647858,
              582999.6341,
              2372998.457,
              30.83352142
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    581999.6340883058,
                    2371998.4565862017,
                    -28.42647858203987
                  ],
                  [
                    581999.6340883058,
                    2372998.4565862017,
                    -28.42647858203987
                  ],
                  [
                    582999.6340883058,
                    2372998.4565862017,
                    30.833521417960128
                  ],
                  [
                    582999.6340883058,
                    2371998.4565862017,
                    30.833521417960128
                  ],
                  [
                    581999.6340883058,
                    2371998.4565862017,
                    -28.42647858203987
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:06:30+00:00",
            "end_time": "2013-09-08T23:06:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej7982.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.23711252667542,
              21.53902896070231,
              -11.199244161235612
            ],
            [
              -158.23706533086423,
              21.548063396980353,
              -11.199244161235612
            ],
            [
              -158.22740853024948,
              21.54801893411761,
              352.8207558387644
            ],
            [
              -158.22745632230462,
              21.53898451881216,
              352.8207558387644
            ],
            [
              -158.23711252667542,
              21.53902896070231,
              -11.199244161235612
            ]
          ]
        ]
      },
      "bbox": [
        -158.2371125,
        21.53898452,
        -11.19924416,
        -158.2274085,
        21.5480634,
        352.8207558
      ],
      "properties": {
        "datetime": "2013-09-12T18:39:54Z",
        "pc:count": 3295133,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579279.6807,
            "count": 3295133,
            "maximum": 579999.5922,
            "minimum": 578999.5922,
            "name": "X",
            "position": 0,
            "stddev": 210.2481714,
            "variance": 44204.29358
          },
          {
            "average": 2382310.428,
            "count": 3295133,
            "maximum": 2382998.458,
            "minimum": 2381998.438,
            "name": "Y",
            "position": 1,
            "stddev": 227.3140731,
            "variance": 51671.68784
          },
          {
            "average": 80.05682204,
            "count": 3295133,
            "maximum": 352.8207558,
            "minimum": -11.19924416,
            "name": "Z",
            "position": 2,
            "stddev": 65.90432496,
            "variance": 4343.380048
          },
          {
            "average": 9.553781592,
            "count": 3295133,
            "maximum": 1191,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.32008029,
            "variance": 266.3450205
          },
          {
            "average": 1.743322348,
            "count": 3295133,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9865748138,
            "variance": 0.9733298633
          },
          {
            "average": 2.483717349,
            "count": 3295133,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.367982532,
            "variance": 1.871376209
          },
          {
            "average": 1,
            "count": 3295133,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3295133,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.852727037,
            "count": 3295133,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.666091377,
            "variance": 44.43677424
          },
          {
            "average": 21.00776038,
            "count": 3295133,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.681632086,
            "variance": 44.64420734
          },
          {
            "average": 91.40522492,
            "count": 3295133,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.3311563,
            "variance": 4806.809234
          },
          {
            "average": 2.851462445,
            "count": 3295133,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.107597601,
            "variance": 1.226772446
          },
          {
            "average": 63045206.69,
            "count": 3295133,
            "maximum": 63046394.84,
            "minimum": 63041808.01,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1037.500529,
            "variance": 1076407.347
          },
          {
            "average": 0,
            "count": 3295133,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3295133,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3295133,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3295133,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3295133,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.5922,
          2381998.438,
          -11.19924416,
          579999.5922,
          2382998.458,
          352.8207558
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.5922473974,
                2381998.4377967017,
                -11.199244161235612
              ],
              [
                578999.5922473974,
                2382998.457796701,
                -11.199244161235612
              ],
              [
                579999.5922473974,
                2382998.457796701,
                352.8207558387644
              ],
              [
                579999.5922473974,
                2381998.4377967017,
                352.8207558387644
              ],
              [
                578999.5922473974,
                2381998.4377967017,
                -11.199244161235612
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:39:54+00:00",
        "end_time": "2013-09-12T17:23:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej7982.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej7982.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej7982.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7982.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2371125,
            21.53898452,
            -11.19924416,
            -158.2274085,
            21.5480634,
            352.8207558
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.23711252667542,
                  21.53902896070231,
                  -11.199244161235612
                ],
                [
                  -158.23706533086423,
                  21.548063396980353,
                  -11.199244161235612
                ],
                [
                  -158.22740853024948,
                  21.54801893411761,
                  352.8207558387644
                ],
                [
                  -158.22745632230462,
                  21.53898451881216,
                  352.8207558387644
                ],
                [
                  -158.23711252667542,
                  21.53902896070231,
                  -11.199244161235612
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej7982.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7982.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:39:54Z",
            "pc:count": 3295133,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579279.6807,
                "count": 3295133,
                "maximum": 579999.5922,
                "minimum": 578999.5922,
                "name": "X",
                "position": 0,
                "stddev": 210.2481714,
                "variance": 44204.29358
              },
              {
                "average": 2382310.428,
                "count": 3295133,
                "maximum": 2382998.458,
                "minimum": 2381998.438,
                "name": "Y",
                "position": 1,
                "stddev": 227.3140731,
                "variance": 51671.68784
              },
              {
                "average": 80.05682204,
                "count": 3295133,
                "maximum": 352.8207558,
                "minimum": -11.19924416,
                "name": "Z",
                "position": 2,
                "stddev": 65.90432496,
                "variance": 4343.380048
              },
              {
                "average": 9.553781592,
                "count": 3295133,
                "maximum": 1191,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.32008029,
                "variance": 266.3450205
              },
              {
                "average": 1.743322348,
                "count": 3295133,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9865748138,
                "variance": 0.9733298633
              },
              {
                "average": 2.483717349,
                "count": 3295133,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.367982532,
                "variance": 1.871376209
              },
              {
                "average": 1,
                "count": 3295133,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3295133,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.852727037,
                "count": 3295133,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.666091377,
                "variance": 44.43677424
              },
              {
                "average": 21.00776038,
                "count": 3295133,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.681632086,
                "variance": 44.64420734
              },
              {
                "average": 91.40522492,
                "count": 3295133,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.3311563,
                "variance": 4806.809234
              },
              {
                "average": 2.851462445,
                "count": 3295133,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.107597601,
                "variance": 1.226772446
              },
              {
                "average": 63045206.69,
                "count": 3295133,
                "maximum": 63046394.84,
                "minimum": 63041808.01,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1037.500529,
                "variance": 1076407.347
              },
              {
                "average": 0,
                "count": 3295133,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3295133,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3295133,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3295133,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3295133,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.5922,
              2381998.438,
              -11.19924416,
              579999.5922,
              2382998.458,
              352.8207558
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.5922473974,
                    2381998.4377967017,
                    -11.199244161235612
                  ],
                  [
                    578999.5922473974,
                    2382998.457796701,
                    -11.199244161235612
                  ],
                  [
                    579999.5922473974,
                    2382998.457796701,
                    352.8207558387644
                  ],
                  [
                    579999.5922473974,
                    2381998.4377967017,
                    352.8207558387644
                  ],
                  [
                    578999.5922473974,
                    2381998.4377967017,
                    -11.199244161235612
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:39:54+00:00",
            "end_time": "2013-09-12T17:23:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9158.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12253574046312,
              21.3216399830588,
              -13.83567166542116
            ],
            [
              -158.12248206582575,
              21.330674344232246,
              -13.83567166542116
            ],
            [
              -158.1128396535114,
              21.330623730371844,
              53.284328334578845
            ],
            [
              -158.11289391959502,
              21.32158939171899,
              53.284328334578845
            ],
            [
              -158.12253574046312,
              21.3216399830588,
              -13.83567166542116
            ]
          ]
        ]
      },
      "bbox": [
        -158.1225357,
        21.32158939,
        -13.83567167,
        -158.1128397,
        21.33067434,
        53.28432833
      ],
      "properties": {
        "datetime": "2013-10-08T22:30:36Z",
        "pc:count": 4920669,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591355.0717,
            "count": 4920669,
            "maximum": 591999.6754,
            "minimum": 590999.6554,
            "name": "X",
            "position": 0,
            "stddev": 300.0165505,
            "variance": 90009.9306
          },
          {
            "average": 2358649.869,
            "count": 4920669,
            "maximum": 2358998.474,
            "minimum": 2357998.454,
            "name": "Y",
            "position": 1,
            "stddev": 287.1411028,
            "variance": 82450.01294
          },
          {
            "average": 4.740559124,
            "count": 4920669,
            "maximum": 53.28432833,
            "minimum": -13.83567167,
            "name": "Z",
            "position": 2,
            "stddev": 3.720632436,
            "variance": 13.84310573
          },
          {
            "average": 39.69755535,
            "count": 4920669,
            "maximum": 6904,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 67.24509965,
            "variance": 4521.903426
          },
          {
            "average": 1.202836037,
            "count": 4920669,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5653610738,
            "variance": 0.3196331438
          },
          {
            "average": 1.39699805,
            "count": 4920669,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8552686148,
            "variance": 0.7314844034
          },
          {
            "average": 1,
            "count": 4920669,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4920669,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.030202397,
            "count": 4920669,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.895386529,
            "variance": 47.54635538
          },
          {
            "average": 10.57066729,
            "count": 4920669,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.21219414,
            "variance": 104.2889092
          },
          {
            "average": 92.41662689,
            "count": 4920669,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.11684714,
            "variance": 4240.203782
          },
          {
            "average": 4.927414951,
            "count": 4920669,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.805728296,
            "variance": 7.872111269
          },
          {
            "average": 64145938.12,
            "count": 4920669,
            "maximum": 65306636.08,
            "minimum": 62719169.35,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1142872.923,
            "variance": 1306158519000.0
          },
          {
            "average": 0,
            "count": 4920669,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4920669,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4920669,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4920669,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4920669,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6554,
          2357998.454,
          -13.83567167,
          591999.6754,
          2358998.474,
          53.28432833
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6553518698,
                2357998.4543959983,
                -13.83567166542116
              ],
              [
                590999.6553518698,
                2358998.474395998,
                -13.83567166542116
              ],
              [
                591999.6753518698,
                2358998.474395998,
                53.284328334578845
              ],
              [
                591999.6753518698,
                2357998.4543959983,
                53.284328334578845
              ],
              [
                590999.6553518698,
                2357998.4543959983,
                -13.83567166542116
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:30:36+00:00",
        "end_time": "2013-09-08T23:46:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9158.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9158.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9158.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9158.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1225357,
            21.32158939,
            -13.83567167,
            -158.1128397,
            21.33067434,
            53.28432833
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12253574046312,
                  21.3216399830588,
                  -13.83567166542116
                ],
                [
                  -158.12248206582575,
                  21.330674344232246,
                  -13.83567166542116
                ],
                [
                  -158.1128396535114,
                  21.330623730371844,
                  53.284328334578845
                ],
                [
                  -158.11289391959502,
                  21.32158939171899,
                  53.284328334578845
                ],
                [
                  -158.12253574046312,
                  21.3216399830588,
                  -13.83567166542116
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9158.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9158.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:30:36Z",
            "pc:count": 4920669,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591355.0717,
                "count": 4920669,
                "maximum": 591999.6754,
                "minimum": 590999.6554,
                "name": "X",
                "position": 0,
                "stddev": 300.0165505,
                "variance": 90009.9306
              },
              {
                "average": 2358649.869,
                "count": 4920669,
                "maximum": 2358998.474,
                "minimum": 2357998.454,
                "name": "Y",
                "position": 1,
                "stddev": 287.1411028,
                "variance": 82450.01294
              },
              {
                "average": 4.740559124,
                "count": 4920669,
                "maximum": 53.28432833,
                "minimum": -13.83567167,
                "name": "Z",
                "position": 2,
                "stddev": 3.720632436,
                "variance": 13.84310573
              },
              {
                "average": 39.69755535,
                "count": 4920669,
                "maximum": 6904,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 67.24509965,
                "variance": 4521.903426
              },
              {
                "average": 1.202836037,
                "count": 4920669,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5653610738,
                "variance": 0.3196331438
              },
              {
                "average": 1.39699805,
                "count": 4920669,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8552686148,
                "variance": 0.7314844034
              },
              {
                "average": 1,
                "count": 4920669,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4920669,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.030202397,
                "count": 4920669,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.895386529,
                "variance": 47.54635538
              },
              {
                "average": 10.57066729,
                "count": 4920669,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.21219414,
                "variance": 104.2889092
              },
              {
                "average": 92.41662689,
                "count": 4920669,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.11684714,
                "variance": 4240.203782
              },
              {
                "average": 4.927414951,
                "count": 4920669,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.805728296,
                "variance": 7.872111269
              },
              {
                "average": 64145938.12,
                "count": 4920669,
                "maximum": 65306636.08,
                "minimum": 62719169.35,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1142872.923,
                "variance": 1306158519000.0
              },
              {
                "average": 0,
                "count": 4920669,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4920669,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4920669,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4920669,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4920669,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6554,
              2357998.454,
              -13.83567167,
              591999.6754,
              2358998.474,
              53.28432833
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6553518698,
                    2357998.4543959983,
                    -13.83567166542116
                  ],
                  [
                    590999.6553518698,
                    2358998.474395998,
                    -13.83567166542116
                  ],
                  [
                    591999.6753518698,
                    2358998.474395998,
                    53.284328334578845
                  ],
                  [
                    591999.6753518698,
                    2357998.4543959983,
                    53.284328334578845
                  ],
                  [
                    590999.6553518698,
                    2357998.4543959983,
                    -13.83567166542116
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:30:36+00:00",
            "end_time": "2013-09-08T23:46:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130912_ncmp_hi_oahu_4qej7983.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2370653763967,
              21.548063374411242,
              98.7224211976502
            ],
            [
              -158.23706230029893,
              21.5486520461668,
              98.7224211976502
            ],
            [
              -158.2365377402494,
              21.548649645214308,
              114.34242119765021
            ],
            [
              -158.23654081845825,
              21.548060973532348,
              114.34242119765021
            ],
            [
              -158.2370653763967,
              21.548063374411242,
              98.7224211976502
            ]
          ]
        ]
      },
      "bbox": [
        -158.2370654,
        21.54806097,
        98.7224212,
        -158.2365377,
        21.54865205,
        114.3424212
      ],
      "properties": {
        "datetime": "2013-09-12T18:20:54Z",
        "pc:count": 12140,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579021.2298,
            "count": 12140,
            "maximum": 579053.9075,
            "minimum": 578999.5875,
            "name": "X",
            "position": 0,
            "stddev": 13.84931609,
            "variance": 191.8035561
          },
          {
            "average": 2383023.281,
            "count": 12140,
            "maximum": 2383063.615,
            "minimum": 2382998.455,
            "name": "Y",
            "position": 1,
            "stddev": 16.53750044,
            "variance": 273.4889209
          },
          {
            "average": 106.6616988,
            "count": 12140,
            "maximum": 114.3424212,
            "minimum": 98.7224212,
            "name": "Z",
            "position": 2,
            "stddev": 3.410589709,
            "variance": 11.63212217
          },
          {
            "average": 19.12693575,
            "count": 12140,
            "maximum": 98,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.10426566,
            "variance": 228.1388411
          },
          {
            "average": 1.037808896,
            "count": 12140,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2120136972,
            "variance": 0.04494980778
          },
          {
            "average": 1.074546952,
            "count": 12140,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3133011202,
            "variance": 0.09815759191
          },
          {
            "average": 1,
            "count": 12140,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12140,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.143327842,
            "count": 12140,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3504212986,
            "variance": 0.1227950865
          },
          {
            "average": 35.73639044,
            "count": 12140,
            "maximum": 37.0019989,
            "minimum": 31.99799919,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.8475038481,
            "variance": 0.7182627726
          },
          {
            "average": 92.58212521,
            "count": 12140,
            "maximum": 188,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 62.76574913,
            "variance": 3939.539264
          },
          {
            "average": 2,
            "count": 12140,
            "maximum": 2,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63045253.27,
            "count": 12140,
            "maximum": 63045254.33,
            "minimum": 63045252.14,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.5744737133,
            "variance": 0.3300200473
          },
          {
            "average": 0,
            "count": 12140,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12140,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12140,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12140,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12140,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.5875,
          2382998.455,
          98.7224212,
          579053.9075,
          2383063.615,
          114.3424212
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.5875446574,
                2382998.4552755295,
                98.7224211976502
              ],
              [
                578999.5875446574,
                2383063.6152755297,
                98.7224211976502
              ],
              [
                579053.9075446575,
                2383063.6152755297,
                114.34242119765021
              ],
              [
                579053.9075446575,
                2382998.4552755295,
                114.34242119765021
              ],
              [
                578999.5875446574,
                2382998.4552755295,
                98.7224211976502
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-12T18:20:54+00:00",
        "end_time": "2013-09-12T18:20:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130912_ncmp_hi_oahu_4qej7983.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130912_ncmp_hi_oahu_4qej7983.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130912_ncmp_hi_oahu_4qej7983.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7983.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2370654,
            21.54806097,
            98.7224212,
            -158.2365377,
            21.54865205,
            114.3424212
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2370653763967,
                  21.548063374411242,
                  98.7224211976502
                ],
                [
                  -158.23706230029893,
                  21.5486520461668,
                  98.7224211976502
                ],
                [
                  -158.2365377402494,
                  21.548649645214308,
                  114.34242119765021
                ],
                [
                  -158.23654081845825,
                  21.548060973532348,
                  114.34242119765021
                ],
                [
                  -158.2370653763967,
                  21.548063374411242,
                  98.7224211976502
                ]
              ]
            ]
          },
          "id": "20130912_ncmp_hi_oahu_4qej7983.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130912_ncmp_hi_oahu_4qej7983.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-12T18:20:54Z",
            "pc:count": 12140,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579021.2298,
                "count": 12140,
                "maximum": 579053.9075,
                "minimum": 578999.5875,
                "name": "X",
                "position": 0,
                "stddev": 13.84931609,
                "variance": 191.8035561
              },
              {
                "average": 2383023.281,
                "count": 12140,
                "maximum": 2383063.615,
                "minimum": 2382998.455,
                "name": "Y",
                "position": 1,
                "stddev": 16.53750044,
                "variance": 273.4889209
              },
              {
                "average": 106.6616988,
                "count": 12140,
                "maximum": 114.3424212,
                "minimum": 98.7224212,
                "name": "Z",
                "position": 2,
                "stddev": 3.410589709,
                "variance": 11.63212217
              },
              {
                "average": 19.12693575,
                "count": 12140,
                "maximum": 98,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.10426566,
                "variance": 228.1388411
              },
              {
                "average": 1.037808896,
                "count": 12140,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2120136972,
                "variance": 0.04494980778
              },
              {
                "average": 1.074546952,
                "count": 12140,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3133011202,
                "variance": 0.09815759191
              },
              {
                "average": 1,
                "count": 12140,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12140,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.143327842,
                "count": 12140,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3504212986,
                "variance": 0.1227950865
              },
              {
                "average": 35.73639044,
                "count": 12140,
                "maximum": 37.0019989,
                "minimum": 31.99799919,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.8475038481,
                "variance": 0.7182627726
              },
              {
                "average": 92.58212521,
                "count": 12140,
                "maximum": 188,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 62.76574913,
                "variance": 3939.539264
              },
              {
                "average": 2,
                "count": 12140,
                "maximum": 2,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63045253.27,
                "count": 12140,
                "maximum": 63045254.33,
                "minimum": 63045252.14,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.5744737133,
                "variance": 0.3300200473
              },
              {
                "average": 0,
                "count": 12140,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12140,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12140,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12140,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12140,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.5875,
              2382998.455,
              98.7224212,
              579053.9075,
              2383063.615,
              114.3424212
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.5875446574,
                    2382998.4552755295,
                    98.7224211976502
                  ],
                  [
                    578999.5875446574,
                    2383063.6152755297,
                    98.7224211976502
                  ],
                  [
                    579053.9075446575,
                    2383063.6152755297,
                    114.34242119765021
                  ],
                  [
                    579053.9075446575,
                    2382998.4552755295,
                    114.34242119765021
                  ],
                  [
                    578999.5875446574,
                    2382998.4552755295,
                    98.7224211976502
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-12T18:20:54+00:00",
            "end_time": "2013-09-12T18:20:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej7985.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.23342784785402,
              21.573904713868334,
              73.43201096614527
            ],
            [
              -158.23342131608683,
              21.57514998700949,
              73.43201096614527
            ],
            [
              -158.22726512652818,
              21.575121542883515,
              227.31201096614527
            ],
            [
              -158.22727170987233,
              21.573876271511484,
              227.31201096614527
            ],
            [
              -158.23342784785402,
              21.573904713868334,
              73.43201096614527
            ]
          ]
        ]
      },
      "bbox": [
        -158.2334278,
        21.57387627,
        73.43201097,
        -158.2272651,
        21.57514999,
        227.312011
      ],
      "properties": {
        "datetime": "2013-09-11T20:27:17Z",
        "pc:count": 475954,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579739.8577,
            "count": 475954,
            "maximum": 579999.5811,
            "minimum": 579362.2011,
            "name": "X",
            "position": 0,
            "stddev": 169.177206,
            "variance": 28620.92704
          },
          {
            "average": 2385928.055,
            "count": 475954,
            "maximum": 2385998.454,
            "minimum": 2385860.614,
            "name": "Y",
            "position": 1,
            "stddev": 38.41680643,
            "variance": 1475.851016
          },
          {
            "average": 153.2479335,
            "count": 475954,
            "maximum": 227.312011,
            "minimum": 73.43201097,
            "name": "Z",
            "position": 2,
            "stddev": 30.50934574,
            "variance": 930.8201777
          },
          {
            "average": 10.16663585,
            "count": 475954,
            "maximum": 350,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.24909586,
            "variance": 495.0222668
          },
          {
            "average": 1.841398539,
            "count": 475954,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.017689475,
            "variance": 1.035691868
          },
          {
            "average": 2.684064006,
            "count": 475954,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.346826837,
            "variance": 1.813942529
          },
          {
            "average": 1,
            "count": 475954,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 475954,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.121581077,
            "count": 475954,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3268016879,
            "variance": 0.1067993432
          },
          {
            "average": 21.37631665,
            "count": 475954,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.46688086,
            "variance": 2.151739456
          },
          {
            "average": 85.61572967,
            "count": 475954,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.23847773,
            "variance": 4656.489842
          },
          {
            "average": 3,
            "count": 475954,
            "maximum": 3,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62966431.63,
            "count": 475954,
            "maximum": 62966437.15,
            "minimum": 62966427.01,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2.568035724,
            "variance": 6.594807481
          },
          {
            "average": 0,
            "count": 475954,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 475954,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 475954,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 475954,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 475954,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          579362.2011,
          2385860.614,
          73.43201097,
          579999.5811,
          2385998.454,
          227.312011
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                579362.2011482988,
                2385860.613978963,
                73.43201096614527
              ],
              [
                579362.2011482988,
                2385998.4539789627,
                73.43201096614527
              ],
              [
                579999.5811482987,
                2385998.4539789627,
                227.31201096614527
              ],
              [
                579999.5811482987,
                2385860.613978963,
                227.31201096614527
              ],
              [
                579362.2011482988,
                2385860.613978963,
                73.43201096614527
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:27:17+00:00",
        "end_time": "2013-09-11T20:27:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej7985.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej7985.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej7985.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7985.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2334278,
            21.57387627,
            73.43201097,
            -158.2272651,
            21.57514999,
            227.312011
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.23342784785402,
                  21.573904713868334,
                  73.43201096614527
                ],
                [
                  -158.23342131608683,
                  21.57514998700949,
                  73.43201096614527
                ],
                [
                  -158.22726512652818,
                  21.575121542883515,
                  227.31201096614527
                ],
                [
                  -158.22727170987233,
                  21.573876271511484,
                  227.31201096614527
                ],
                [
                  -158.23342784785402,
                  21.573904713868334,
                  73.43201096614527
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej7985.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej7985.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:27:17Z",
            "pc:count": 475954,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579739.8577,
                "count": 475954,
                "maximum": 579999.5811,
                "minimum": 579362.2011,
                "name": "X",
                "position": 0,
                "stddev": 169.177206,
                "variance": 28620.92704
              },
              {
                "average": 2385928.055,
                "count": 475954,
                "maximum": 2385998.454,
                "minimum": 2385860.614,
                "name": "Y",
                "position": 1,
                "stddev": 38.41680643,
                "variance": 1475.851016
              },
              {
                "average": 153.2479335,
                "count": 475954,
                "maximum": 227.312011,
                "minimum": 73.43201097,
                "name": "Z",
                "position": 2,
                "stddev": 30.50934574,
                "variance": 930.8201777
              },
              {
                "average": 10.16663585,
                "count": 475954,
                "maximum": 350,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.24909586,
                "variance": 495.0222668
              },
              {
                "average": 1.841398539,
                "count": 475954,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.017689475,
                "variance": 1.035691868
              },
              {
                "average": 2.684064006,
                "count": 475954,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.346826837,
                "variance": 1.813942529
              },
              {
                "average": 1,
                "count": 475954,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 475954,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.121581077,
                "count": 475954,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3268016879,
                "variance": 0.1067993432
              },
              {
                "average": 21.37631665,
                "count": 475954,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.46688086,
                "variance": 2.151739456
              },
              {
                "average": 85.61572967,
                "count": 475954,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.23847773,
                "variance": 4656.489842
              },
              {
                "average": 3,
                "count": 475954,
                "maximum": 3,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62966431.63,
                "count": 475954,
                "maximum": 62966437.15,
                "minimum": 62966427.01,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2.568035724,
                "variance": 6.594807481
              },
              {
                "average": 0,
                "count": 475954,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 475954,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 475954,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 475954,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 475954,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              579362.2011,
              2385860.614,
              73.43201097,
              579999.5811,
              2385998.454,
              227.312011
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    579362.2011482988,
                    2385860.613978963,
                    73.43201096614527
                  ],
                  [
                    579362.2011482988,
                    2385998.4539789627,
                    73.43201096614527
                  ],
                  [
                    579999.5811482987,
                    2385998.4539789627,
                    227.31201096614527
                  ],
                  [
                    579999.5811482987,
                    2385860.613978963,
                    227.31201096614527
                  ],
                  [
                    579362.2011482988,
                    2385860.613978963,
                    73.43201096614527
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:27:17+00:00",
            "end_time": "2013-09-11T20:27:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8687.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.16926218724322,
              21.583876876685462,
              -33.960648746538126
            ],
            [
              -158.1692106542891,
              21.592910939042465,
              -33.960648746538126
            ],
            [
              -158.15955099677828,
              21.59286245758955,
              -2.200648746538123
            ],
            [
              -158.15960313172215,
              21.583828416646913,
              -2.200648746538123
            ],
            [
              -158.16926218724322,
              21.583876876685462,
              -33.960648746538126
            ]
          ]
        ]
      },
      "bbox": [
        -158.1692622,
        21.58382842,
        -33.96064875,
        -158.159551,
        21.59291094,
        -2.200648747
      ],
      "properties": {
        "datetime": "2013-09-10T17:56:01Z",
        "pc:count": 1656109,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 586493.536,
            "count": 1656109,
            "maximum": 586999.6059,
            "minimum": 585999.6059,
            "name": "X",
            "position": 0,
            "stddev": 291.0595071,
            "variance": 84715.63669
          },
          {
            "average": 2387357.39,
            "count": 1656109,
            "maximum": 2387998.47,
            "minimum": 2386998.47,
            "name": "Y",
            "position": 1,
            "stddev": 269.5712314,
            "variance": 72668.64881
          },
          {
            "average": -10.34892935,
            "count": 1656109,
            "maximum": -2.200648747,
            "minimum": -33.96064875,
            "name": "Z",
            "position": 2,
            "stddev": 5.907012236,
            "variance": 34.89279356
          },
          {
            "average": 50.13010315,
            "count": 1656109,
            "maximum": 859,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 95.89018652,
            "variance": 9194.927871
          },
          {
            "average": 1.038995018,
            "count": 1656109,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1993125434,
            "variance": 0.03972548997
          },
          {
            "average": 1.047967253,
            "count": 1656109,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.223888985,
            "variance": 0.05012627761
          },
          {
            "average": 1,
            "count": 1656109,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1656109,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1656109,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.36321402,
            "count": 1656109,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.934306809,
            "variance": 98.69045178
          },
          {
            "average": 142.4738305,
            "count": 1656109,
            "maximum": 254,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 94.97636859,
            "variance": 9020.510591
          },
          {
            "average": 6.827514373,
            "count": 1656109,
            "maximum": 10,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.444761106,
            "variance": 2.087334653
          },
          {
            "average": 62869394.41,
            "count": 1656109,
            "maximum": 62870961.82,
            "minimum": 62868367.62,
            "name": "GpsTime",
            "position": 12,
            "stddev": 783.7525182,
            "variance": 614268.0098
          },
          {
            "average": 0,
            "count": 1656109,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1656109,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1656109,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1656109,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1656109,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          585999.6059,
          2386998.47,
          -33.96064875,
          586999.6059,
          2387998.47,
          -2.200648747
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                585999.6059109842,
                2386998.4698467357,
                -33.960648746538126
              ],
              [
                585999.6059109842,
                2387998.4698467357,
                -33.960648746538126
              ],
              [
                586999.6059109842,
                2387998.4698467357,
                -2.200648746538123
              ],
              [
                586999.6059109842,
                2386998.4698467357,
                -2.200648746538123
              ],
              [
                585999.6059109842,
                2386998.4698467357,
                -33.960648746538126
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:56:01+00:00",
        "end_time": "2013-09-10T17:12:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8687.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8687.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8687.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8687.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1692622,
            21.58382842,
            -33.96064875,
            -158.159551,
            21.59291094,
            -2.200648747
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.16926218724322,
                  21.583876876685462,
                  -33.960648746538126
                ],
                [
                  -158.1692106542891,
                  21.592910939042465,
                  -33.960648746538126
                ],
                [
                  -158.15955099677828,
                  21.59286245758955,
                  -2.200648746538123
                ],
                [
                  -158.15960313172215,
                  21.583828416646913,
                  -2.200648746538123
                ],
                [
                  -158.16926218724322,
                  21.583876876685462,
                  -33.960648746538126
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8687.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8687.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:56:01Z",
            "pc:count": 1656109,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 586493.536,
                "count": 1656109,
                "maximum": 586999.6059,
                "minimum": 585999.6059,
                "name": "X",
                "position": 0,
                "stddev": 291.0595071,
                "variance": 84715.63669
              },
              {
                "average": 2387357.39,
                "count": 1656109,
                "maximum": 2387998.47,
                "minimum": 2386998.47,
                "name": "Y",
                "position": 1,
                "stddev": 269.5712314,
                "variance": 72668.64881
              },
              {
                "average": -10.34892935,
                "count": 1656109,
                "maximum": -2.200648747,
                "minimum": -33.96064875,
                "name": "Z",
                "position": 2,
                "stddev": 5.907012236,
                "variance": 34.89279356
              },
              {
                "average": 50.13010315,
                "count": 1656109,
                "maximum": 859,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 95.89018652,
                "variance": 9194.927871
              },
              {
                "average": 1.038995018,
                "count": 1656109,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1993125434,
                "variance": 0.03972548997
              },
              {
                "average": 1.047967253,
                "count": 1656109,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.223888985,
                "variance": 0.05012627761
              },
              {
                "average": 1,
                "count": 1656109,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1656109,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1656109,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.36321402,
                "count": 1656109,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.934306809,
                "variance": 98.69045178
              },
              {
                "average": 142.4738305,
                "count": 1656109,
                "maximum": 254,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 94.97636859,
                "variance": 9020.510591
              },
              {
                "average": 6.827514373,
                "count": 1656109,
                "maximum": 10,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.444761106,
                "variance": 2.087334653
              },
              {
                "average": 62869394.41,
                "count": 1656109,
                "maximum": 62870961.82,
                "minimum": 62868367.62,
                "name": "GpsTime",
                "position": 12,
                "stddev": 783.7525182,
                "variance": 614268.0098
              },
              {
                "average": 0,
                "count": 1656109,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1656109,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1656109,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1656109,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1656109,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              585999.6059,
              2386998.47,
              -33.96064875,
              586999.6059,
              2387998.47,
              -2.200648747
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    585999.6059109842,
                    2386998.4698467357,
                    -33.960648746538126
                  ],
                  [
                    585999.6059109842,
                    2387998.4698467357,
                    -33.960648746538126
                  ],
                  [
                    586999.6059109842,
                    2387998.4698467357,
                    -2.200648746538123
                  ],
                  [
                    586999.6059109842,
                    2386998.4698467357,
                    -2.200648746538123
                  ],
                  [
                    585999.6059109842,
                    2386998.4698467357,
                    -33.960648746538126
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:56:01+00:00",
            "end_time": "2013-09-10T17:12:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8688.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1692104684497,
              21.592910987792322,
              -39.746367474745696
            ],
            [
              -158.16920234037346,
              21.594335477805735,
              -39.746367474745696
            ],
            [
              -158.1595429744407,
              21.594286994884786,
              -22.186367474745694
            ],
            [
              -158.1595511973219,
              21.592862508278998,
              -22.186367474745694
            ],
            [
              -158.1692104684497,
              21.592910987792322,
              -39.746367474745696
            ]
          ]
        ]
      },
      "bbox": [
        -158.1692105,
        21.59286251,
        -39.74636747,
        -158.159543,
        21.59433548,
        -22.18636747
      ],
      "properties": {
        "datetime": "2013-09-10T17:56:01Z",
        "pc:count": 61826,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 586516.2775,
            "count": 61826,
            "maximum": 586999.5851,
            "minimum": 585999.6251,
            "name": "X",
            "position": 0,
            "stddev": 286.3859732,
            "variance": 82016.92565
          },
          {
            "average": 2388084.451,
            "count": 61826,
            "maximum": 2388156.155,
            "minimum": 2387998.475,
            "name": "Y",
            "position": 1,
            "stddev": 43.36693084,
            "variance": 1880.69069
          },
          {
            "average": -30.891783,
            "count": 61826,
            "maximum": -22.18636747,
            "minimum": -39.74636747,
            "name": "Z",
            "position": 2,
            "stddev": 3.602359579,
            "variance": 12.97699454
          },
          {
            "average": 428.0246822,
            "count": 61826,
            "maximum": 2328,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 308.7020047,
            "variance": 95296.92769
          },
          {
            "average": 1.033157571,
            "count": 61826,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1795004516,
            "variance": 0.03222041211
          },
          {
            "average": 1.033545757,
            "count": 61826,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1809542973,
            "variance": 0.03274445773
          },
          {
            "average": 1,
            "count": 61826,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 61826,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 61826,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.9159002842,
            "count": 61826,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.978980972,
            "variance": 15.83228958
          },
          {
            "average": 249.123055,
            "count": 61826,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.3423899109,
            "variance": 0.1172308511
          },
          {
            "average": 10,
            "count": 61826,
            "maximum": 10,
            "minimum": 10,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62870952.21,
            "count": 61826,
            "maximum": 62870961.67,
            "minimum": 62870943.12,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.308680214,
            "variance": 18.56472519
          },
          {
            "average": 0,
            "count": 61826,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 61826,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 61826,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 61826,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 61826,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          585999.6251,
          2387998.475,
          -39.74636747,
          586999.5851,
          2388156.155,
          -22.18636747
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                585999.625120322,
                2387998.4753454565,
                -39.746367474745696
              ],
              [
                585999.625120322,
                2388156.155345456,
                -39.746367474745696
              ],
              [
                586999.585120322,
                2388156.155345456,
                -22.186367474745694
              ],
              [
                586999.585120322,
                2387998.4753454565,
                -22.186367474745694
              ],
              [
                585999.625120322,
                2387998.4753454565,
                -39.746367474745696
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:56:01+00:00",
        "end_time": "2013-09-10T17:55:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8688.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8688.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8688.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8688.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1692105,
            21.59286251,
            -39.74636747,
            -158.159543,
            21.59433548,
            -22.18636747
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1692104684497,
                  21.592910987792322,
                  -39.746367474745696
                ],
                [
                  -158.16920234037346,
                  21.594335477805735,
                  -39.746367474745696
                ],
                [
                  -158.1595429744407,
                  21.594286994884786,
                  -22.186367474745694
                ],
                [
                  -158.1595511973219,
                  21.592862508278998,
                  -22.186367474745694
                ],
                [
                  -158.1692104684497,
                  21.592910987792322,
                  -39.746367474745696
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8688.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8688.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:56:01Z",
            "pc:count": 61826,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 586516.2775,
                "count": 61826,
                "maximum": 586999.5851,
                "minimum": 585999.6251,
                "name": "X",
                "position": 0,
                "stddev": 286.3859732,
                "variance": 82016.92565
              },
              {
                "average": 2388084.451,
                "count": 61826,
                "maximum": 2388156.155,
                "minimum": 2387998.475,
                "name": "Y",
                "position": 1,
                "stddev": 43.36693084,
                "variance": 1880.69069
              },
              {
                "average": -30.891783,
                "count": 61826,
                "maximum": -22.18636747,
                "minimum": -39.74636747,
                "name": "Z",
                "position": 2,
                "stddev": 3.602359579,
                "variance": 12.97699454
              },
              {
                "average": 428.0246822,
                "count": 61826,
                "maximum": 2328,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 308.7020047,
                "variance": 95296.92769
              },
              {
                "average": 1.033157571,
                "count": 61826,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1795004516,
                "variance": 0.03222041211
              },
              {
                "average": 1.033545757,
                "count": 61826,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1809542973,
                "variance": 0.03274445773
              },
              {
                "average": 1,
                "count": 61826,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 61826,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 61826,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.9159002842,
                "count": 61826,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.978980972,
                "variance": 15.83228958
              },
              {
                "average": 249.123055,
                "count": 61826,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.3423899109,
                "variance": 0.1172308511
              },
              {
                "average": 10,
                "count": 61826,
                "maximum": 10,
                "minimum": 10,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62870952.21,
                "count": 61826,
                "maximum": 62870961.67,
                "minimum": 62870943.12,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.308680214,
                "variance": 18.56472519
              },
              {
                "average": 0,
                "count": 61826,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 61826,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 61826,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 61826,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 61826,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              585999.6251,
              2387998.475,
              -39.74636747,
              586999.5851,
              2388156.155,
              -22.18636747
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    585999.625120322,
                    2387998.4753454565,
                    -39.746367474745696
                  ],
                  [
                    585999.625120322,
                    2388156.155345456,
                    -39.746367474745696
                  ],
                  [
                    586999.585120322,
                    2388156.155345456,
                    -22.186367474745694
                  ],
                  [
                    586999.585120322,
                    2387998.4753454565,
                    -22.186367474745694
                  ],
                  [
                    585999.625120322,
                    2387998.4753454565,
                    -39.746367474745696
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:56:01+00:00",
            "end_time": "2013-09-10T17:55:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8763.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1589911025451,
              21.368811260228075,
              -57.390680801002894
            ],
            [
              -158.15894986952588,
              21.376033443714135,
              -57.390680801002894
            ],
            [
              -158.15114896611166,
              21.375994154857704,
              -17.41068080100289
            ],
            [
              -158.15119058381305,
              21.368771983996638,
              -17.41068080100289
            ],
            [
              -158.1589911025451,
              21.368811260228075,
              -57.390680801002894
            ]
          ]
        ]
      },
      "bbox": [
        -158.1589911,
        21.36877198,
        -57.3906808,
        -158.151149,
        21.37603344,
        -17.4106808
      ],
      "properties": {
        "datetime": "2013-09-18T21:04:13Z",
        "pc:count": 336331,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 587759.9549,
            "count": 336331,
            "maximum": 587999.645,
            "minimum": 587190.865,
            "name": "X",
            "position": 0,
            "stddev": 180.5023033,
            "variance": 32581.08148
          },
          {
            "average": 2363794.121,
            "count": 336331,
            "maximum": 2363998.469,
            "minimum": 2363199.049,
            "name": "Y",
            "position": 1,
            "stddev": 157.3274952,
            "variance": 24751.94074
          },
          {
            "average": -32.93063436,
            "count": 336331,
            "maximum": -17.4106808,
            "minimum": -57.3906808,
            "name": "Z",
            "position": 2,
            "stddev": 8.545177095,
            "variance": 73.02005159
          },
          {
            "average": 1239.350152,
            "count": 336331,
            "maximum": 9000,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1293.109084,
            "variance": 1672131.102
          },
          {
            "average": 1.00372847,
            "count": 336331,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06123935557,
            "variance": 0.003750258671
          },
          {
            "average": 1.005218074,
            "count": 336331,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07290911022,
            "variance": 0.005315738353
          },
          {
            "average": 1,
            "count": 336331,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 336331,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 336331,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.109664542,
            "count": 336331,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.367998442,
            "variance": 87.75939481
          },
          {
            "average": 245.1172327,
            "count": 336331,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 26.3282513,
            "variance": 693.1768163
          },
          {
            "average": 5.112784727,
            "count": 336331,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.378994518,
            "variance": 11.41760395
          },
          {
            "average": 63180649.8,
            "count": 336331,
            "maximum": 63573453.77,
            "minimum": 62719852.59,
            "name": "GpsTime",
            "position": 12,
            "stddev": 417326.399,
            "variance": 174161323300.0
          },
          {
            "average": 0,
            "count": 336331,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 336331,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 336331,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 336331,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 336331,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          587190.865,
          2363199.049,
          -57.3906808,
          587999.645,
          2363998.469,
          -17.4106808
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                587190.8649652934,
                2363199.049256699,
                -57.390680801002894
              ],
              [
                587190.8649652934,
                2363998.469256699,
                -57.390680801002894
              ],
              [
                587999.6449652935,
                2363998.469256699,
                -17.41068080100289
              ],
              [
                587999.6449652935,
                2363199.049256699,
                -17.41068080100289
              ],
              [
                587190.8649652934,
                2363199.049256699,
                -57.390680801002894
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:04:13+00:00",
        "end_time": "2013-09-08T23:57:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8763.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8763.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8763.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8763.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1589911,
            21.36877198,
            -57.3906808,
            -158.151149,
            21.37603344,
            -17.4106808
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1589911025451,
                  21.368811260228075,
                  -57.390680801002894
                ],
                [
                  -158.15894986952588,
                  21.376033443714135,
                  -57.390680801002894
                ],
                [
                  -158.15114896611166,
                  21.375994154857704,
                  -17.41068080100289
                ],
                [
                  -158.15119058381305,
                  21.368771983996638,
                  -17.41068080100289
                ],
                [
                  -158.1589911025451,
                  21.368811260228075,
                  -57.390680801002894
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8763.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8763.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:04:13Z",
            "pc:count": 336331,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 587759.9549,
                "count": 336331,
                "maximum": 587999.645,
                "minimum": 587190.865,
                "name": "X",
                "position": 0,
                "stddev": 180.5023033,
                "variance": 32581.08148
              },
              {
                "average": 2363794.121,
                "count": 336331,
                "maximum": 2363998.469,
                "minimum": 2363199.049,
                "name": "Y",
                "position": 1,
                "stddev": 157.3274952,
                "variance": 24751.94074
              },
              {
                "average": -32.93063436,
                "count": 336331,
                "maximum": -17.4106808,
                "minimum": -57.3906808,
                "name": "Z",
                "position": 2,
                "stddev": 8.545177095,
                "variance": 73.02005159
              },
              {
                "average": 1239.350152,
                "count": 336331,
                "maximum": 9000,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1293.109084,
                "variance": 1672131.102
              },
              {
                "average": 1.00372847,
                "count": 336331,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06123935557,
                "variance": 0.003750258671
              },
              {
                "average": 1.005218074,
                "count": 336331,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07290911022,
                "variance": 0.005315738353
              },
              {
                "average": 1,
                "count": 336331,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 336331,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 336331,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.109664542,
                "count": 336331,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.367998442,
                "variance": 87.75939481
              },
              {
                "average": 245.1172327,
                "count": 336331,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 26.3282513,
                "variance": 693.1768163
              },
              {
                "average": 5.112784727,
                "count": 336331,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.378994518,
                "variance": 11.41760395
              },
              {
                "average": 63180649.8,
                "count": 336331,
                "maximum": 63573453.77,
                "minimum": 62719852.59,
                "name": "GpsTime",
                "position": 12,
                "stddev": 417326.399,
                "variance": 174161323300.0
              },
              {
                "average": 0,
                "count": 336331,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 336331,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 336331,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 336331,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 336331,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              587190.865,
              2363199.049,
              -57.3906808,
              587999.645,
              2363998.469,
              -17.4106808
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    587190.8649652934,
                    2363199.049256699,
                    -57.390680801002894
                  ],
                  [
                    587190.8649652934,
                    2363998.469256699,
                    -57.390680801002894
                  ],
                  [
                    587999.6449652935,
                    2363998.469256699,
                    -17.41068080100289
                  ],
                  [
                    587999.6449652935,
                    2363199.049256699,
                    -17.41068080100289
                  ],
                  [
                    587190.8649652934,
                    2363199.049256699,
                    -57.390680801002894
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:04:13+00:00",
            "end_time": "2013-09-08T23:57:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7986.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.23692384100673,
              21.57516602066378,
              -10.66555669017579
            ],
            [
              -158.2368765416689,
              21.584200418270765,
              -10.66555669017579
            ],
            [
              -158.22721716107435,
              21.58415587143042,
              161.13444330982423
            ],
            [
              -158.2272650580969,
              21.575121494510586,
              161.13444330982423
            ],
            [
              -158.23692384100673,
              21.57516602066378,
              -10.66555669017579
            ]
          ]
        ]
      },
      "bbox": [
        -158.2369238,
        21.57512149,
        -10.66555669,
        -158.2272172,
        21.58420042,
        161.1344433
      ],
      "properties": {
        "datetime": "2013-11-04T20:21:31Z",
        "pc:count": 5978518,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579522.0978,
            "count": 5978518,
            "maximum": 579999.5883,
            "minimum": 578999.5683,
            "name": "X",
            "position": 0,
            "stddev": 287.462422,
            "variance": 82634.64407
          },
          {
            "average": 2386437.791,
            "count": 5978518,
            "maximum": 2386998.469,
            "minimum": 2385998.449,
            "name": "Y",
            "position": 1,
            "stddev": 281.9107028,
            "variance": 79473.64438
          },
          {
            "average": 23.50637106,
            "count": 5978518,
            "maximum": 161.1344433,
            "minimum": -10.66555669,
            "name": "Z",
            "position": 2,
            "stddev": 33.2407497,
            "variance": 1104.94744
          },
          {
            "average": 11.64677183,
            "count": 5978518,
            "maximum": 7881,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.47399056,
            "variance": 648.9241948
          },
          {
            "average": 1.38202578,
            "count": 5978518,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7736527417,
            "variance": 0.5985385648
          },
          {
            "average": 1.762742874,
            "count": 5978518,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.164542395,
            "variance": 1.35615899
          },
          {
            "average": 1,
            "count": 5978518,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5978518,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.45229738,
            "count": 5978518,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.67416073,
            "variance": 186.9826716
          },
          {
            "average": 16.56767232,
            "count": 5978518,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.693466942,
            "variance": 59.18943359
          },
          {
            "average": 90.24536315,
            "count": 5978518,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.67014151,
            "variance": 4579.248052
          },
          {
            "average": 3.693346411,
            "count": 5978518,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.295874463,
            "variance": 5.271039549
          },
          {
            "average": 63252098.65,
            "count": 5978518,
            "maximum": 67631691.02,
            "minimum": 62867272.58,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1217629.815,
            "variance": 1482622366000.0
          },
          {
            "average": 0,
            "count": 5978518,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5978518,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5978518,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5978518,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5978518,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.5683,
          2385998.449,
          -10.66555669,
          579999.5883,
          2386998.469,
          161.1344433
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.5682596953,
                2385998.4486598084,
                -10.66555669017579
              ],
              [
                578999.5682596953,
                2386998.468659808,
                -10.66555669017579
              ],
              [
                579999.5882596953,
                2386998.468659808,
                161.13444330982423
              ],
              [
                579999.5882596953,
                2385998.4486598084,
                161.13444330982423
              ],
              [
                578999.5682596953,
                2385998.4486598084,
                -10.66555669017579
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:21:31+00:00",
        "end_time": "2013-09-10T16:54:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7986.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7986.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7986.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7986.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2369238,
            21.57512149,
            -10.66555669,
            -158.2272172,
            21.58420042,
            161.1344433
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.23692384100673,
                  21.57516602066378,
                  -10.66555669017579
                ],
                [
                  -158.2368765416689,
                  21.584200418270765,
                  -10.66555669017579
                ],
                [
                  -158.22721716107435,
                  21.58415587143042,
                  161.13444330982423
                ],
                [
                  -158.2272650580969,
                  21.575121494510586,
                  161.13444330982423
                ],
                [
                  -158.23692384100673,
                  21.57516602066378,
                  -10.66555669017579
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7986.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7986.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:21:31Z",
            "pc:count": 5978518,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579522.0978,
                "count": 5978518,
                "maximum": 579999.5883,
                "minimum": 578999.5683,
                "name": "X",
                "position": 0,
                "stddev": 287.462422,
                "variance": 82634.64407
              },
              {
                "average": 2386437.791,
                "count": 5978518,
                "maximum": 2386998.469,
                "minimum": 2385998.449,
                "name": "Y",
                "position": 1,
                "stddev": 281.9107028,
                "variance": 79473.64438
              },
              {
                "average": 23.50637106,
                "count": 5978518,
                "maximum": 161.1344433,
                "minimum": -10.66555669,
                "name": "Z",
                "position": 2,
                "stddev": 33.2407497,
                "variance": 1104.94744
              },
              {
                "average": 11.64677183,
                "count": 5978518,
                "maximum": 7881,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.47399056,
                "variance": 648.9241948
              },
              {
                "average": 1.38202578,
                "count": 5978518,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7736527417,
                "variance": 0.5985385648
              },
              {
                "average": 1.762742874,
                "count": 5978518,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.164542395,
                "variance": 1.35615899
              },
              {
                "average": 1,
                "count": 5978518,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5978518,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.45229738,
                "count": 5978518,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.67416073,
                "variance": 186.9826716
              },
              {
                "average": 16.56767232,
                "count": 5978518,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.693466942,
                "variance": 59.18943359
              },
              {
                "average": 90.24536315,
                "count": 5978518,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.67014151,
                "variance": 4579.248052
              },
              {
                "average": 3.693346411,
                "count": 5978518,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.295874463,
                "variance": 5.271039549
              },
              {
                "average": 63252098.65,
                "count": 5978518,
                "maximum": 67631691.02,
                "minimum": 62867272.58,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1217629.815,
                "variance": 1482622366000.0
              },
              {
                "average": 0,
                "count": 5978518,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5978518,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5978518,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5978518,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5978518,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.5683,
              2385998.449,
              -10.66555669,
              579999.5883,
              2386998.469,
              161.1344433
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.5682596953,
                    2385998.4486598084,
                    -10.66555669017579
                  ],
                  [
                    578999.5682596953,
                    2386998.468659808,
                    -10.66555669017579
                  ],
                  [
                    579999.5882596953,
                    2386998.468659808,
                    161.13444330982423
                  ],
                  [
                    579999.5882596953,
                    2385998.4486598084,
                    161.13444330982423
                  ],
                  [
                    578999.5682596953,
                    2385998.4486598084,
                    -10.66555669017579
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:21:31+00:00",
            "end_time": "2013-09-10T16:54:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8764.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.16079415222563,
              21.37604265270312,
              -58.194092168872515
            ],
            [
              -158.16074264842817,
              21.38507692365447,
              -58.194092168872515
            ],
            [
              -158.1510967825519,
              21.38502837587463,
              -2.09409216887251
            ],
            [
              -158.1511488775099,
              21.375994127464338,
              -2.09409216887251
            ],
            [
              -158.16079415222563,
              21.37604265270312,
              -58.194092168872515
            ]
          ]
        ]
      },
      "bbox": [
        -158.1607942,
        21.37599413,
        -58.19409217,
        -158.1510968,
        21.38507692,
        -2.094092169
      ],
      "properties": {
        "datetime": "2013-09-18T21:04:17Z",
        "pc:count": 3081743,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 587688.0828,
            "count": 3081743,
            "maximum": 587999.6542,
            "minimum": 586999.6542,
            "name": "X",
            "position": 0,
            "stddev": 250.1169366,
            "variance": 62558.48198
          },
          {
            "average": 2364610.17,
            "count": 3081743,
            "maximum": 2364998.466,
            "minimum": 2363998.466,
            "name": "Y",
            "position": 1,
            "stddev": 265.5656447,
            "variance": 70525.11165
          },
          {
            "average": -14.18241132,
            "count": 3081743,
            "maximum": -2.094092169,
            "minimum": -58.19409217,
            "name": "Z",
            "position": 2,
            "stddev": 8.964697618,
            "variance": 80.36580338
          },
          {
            "average": 274.3872971,
            "count": 3081743,
            "maximum": 8963,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 481.7683609,
            "variance": 232100.7535
          },
          {
            "average": 1.005027025,
            "count": 3081743,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0713216151,
            "variance": 0.005086772781
          },
          {
            "average": 1.008764845,
            "count": 3081743,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09432045978,
            "variance": 0.008896349133
          },
          {
            "average": 1,
            "count": 3081743,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3081743,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3081743,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.4488125,
            "count": 3081743,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.287516329,
            "variance": 68.68292691
          },
          {
            "average": 145.6897944,
            "count": 3081743,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 93.37735586,
            "variance": 8719.330588
          },
          {
            "average": 5.471128514,
            "count": 3081743,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.050616613,
            "variance": 4.205028495
          },
          {
            "average": 62887761.69,
            "count": 3081743,
            "maximum": 63573457.02,
            "minimum": 62717577.47,
            "name": "GpsTime",
            "position": 12,
            "stddev": 279712.4347,
            "variance": 78239046150.0
          },
          {
            "average": 0,
            "count": 3081743,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3081743,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3081743,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3081743,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3081743,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          586999.6542,
          2363998.466,
          -58.19409217,
          587999.6542,
          2364998.466,
          -2.094092169
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                586999.6541674369,
                2363998.466274239,
                -58.194092168872515
              ],
              [
                586999.6541674369,
                2364998.466274239,
                -58.194092168872515
              ],
              [
                587999.6541674369,
                2364998.466274239,
                -2.09409216887251
              ],
              [
                587999.6541674369,
                2363998.466274239,
                -2.09409216887251
              ],
              [
                586999.6541674369,
                2363998.466274239,
                -58.194092168872515
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:04:17+00:00",
        "end_time": "2013-09-08T23:19:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8764.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8764.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8764.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8764.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1607942,
            21.37599413,
            -58.19409217,
            -158.1510968,
            21.38507692,
            -2.094092169
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.16079415222563,
                  21.37604265270312,
                  -58.194092168872515
                ],
                [
                  -158.16074264842817,
                  21.38507692365447,
                  -58.194092168872515
                ],
                [
                  -158.1510967825519,
                  21.38502837587463,
                  -2.09409216887251
                ],
                [
                  -158.1511488775099,
                  21.375994127464338,
                  -2.09409216887251
                ],
                [
                  -158.16079415222563,
                  21.37604265270312,
                  -58.194092168872515
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8764.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8764.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:04:17Z",
            "pc:count": 3081743,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 587688.0828,
                "count": 3081743,
                "maximum": 587999.6542,
                "minimum": 586999.6542,
                "name": "X",
                "position": 0,
                "stddev": 250.1169366,
                "variance": 62558.48198
              },
              {
                "average": 2364610.17,
                "count": 3081743,
                "maximum": 2364998.466,
                "minimum": 2363998.466,
                "name": "Y",
                "position": 1,
                "stddev": 265.5656447,
                "variance": 70525.11165
              },
              {
                "average": -14.18241132,
                "count": 3081743,
                "maximum": -2.094092169,
                "minimum": -58.19409217,
                "name": "Z",
                "position": 2,
                "stddev": 8.964697618,
                "variance": 80.36580338
              },
              {
                "average": 274.3872971,
                "count": 3081743,
                "maximum": 8963,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 481.7683609,
                "variance": 232100.7535
              },
              {
                "average": 1.005027025,
                "count": 3081743,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0713216151,
                "variance": 0.005086772781
              },
              {
                "average": 1.008764845,
                "count": 3081743,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09432045978,
                "variance": 0.008896349133
              },
              {
                "average": 1,
                "count": 3081743,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3081743,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3081743,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.4488125,
                "count": 3081743,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.287516329,
                "variance": 68.68292691
              },
              {
                "average": 145.6897944,
                "count": 3081743,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 93.37735586,
                "variance": 8719.330588
              },
              {
                "average": 5.471128514,
                "count": 3081743,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.050616613,
                "variance": 4.205028495
              },
              {
                "average": 62887761.69,
                "count": 3081743,
                "maximum": 63573457.02,
                "minimum": 62717577.47,
                "name": "GpsTime",
                "position": 12,
                "stddev": 279712.4347,
                "variance": 78239046150.0
              },
              {
                "average": 0,
                "count": 3081743,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3081743,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3081743,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3081743,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3081743,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              586999.6542,
              2363998.466,
              -58.19409217,
              587999.6542,
              2364998.466,
              -2.094092169
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    586999.6541674369,
                    2363998.466274239,
                    -58.194092168872515
                  ],
                  [
                    586999.6541674369,
                    2364998.466274239,
                    -58.194092168872515
                  ],
                  [
                    587999.6541674369,
                    2364998.466274239,
                    -2.09409216887251
                  ],
                  [
                    587999.6541674369,
                    2363998.466274239,
                    -2.09409216887251
                  ],
                  [
                    586999.6541674369,
                    2363998.466274239,
                    -58.194092168872515
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:04:17+00:00",
            "end_time": "2013-09-08T23:19:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9159.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12248198050273,
              21.330674249125924,
              0.719092938855589
            ],
            [
              -158.12242825945867,
              21.33970845721739,
              0.719092938855589
            ],
            [
              -158.11278544970156,
              21.33965782081596,
              60.35909293885559
            ],
            [
              -158.1128397610389,
              21.33062363627862,
              60.35909293885559
            ],
            [
              -158.12248198050273,
              21.330674249125924,
              0.719092938855589
            ]
          ]
        ]
      },
      "bbox": [
        -158.122482,
        21.33062364,
        0.7190929389,
        -158.1127854,
        21.33970846,
        60.35909294
      ],
      "properties": {
        "datetime": "2013-10-08T22:30:22Z",
        "pc:count": 7761961,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591365.4597,
            "count": 7761961,
            "maximum": 591999.6643,
            "minimum": 590999.6643,
            "name": "X",
            "position": 0,
            "stddev": 286.3198049,
            "variance": 81979.03066
          },
          {
            "average": 2359405.952,
            "count": 7761961,
            "maximum": 2359998.464,
            "minimum": 2358998.464,
            "name": "Y",
            "position": 1,
            "stddev": 275.1856824,
            "variance": 75727.15982
          },
          {
            "average": 10.76492657,
            "count": 7761961,
            "maximum": 60.35909294,
            "minimum": 0.7190929389,
            "name": "Z",
            "position": 2,
            "stddev": 7.54612401,
            "variance": 56.94398758
          },
          {
            "average": 32.19585115,
            "count": 7761961,
            "maximum": 916,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 52.63594151,
            "variance": 2770.542339
          },
          {
            "average": 1.262569214,
            "count": 7761961,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6344217074,
            "variance": 0.4024909028
          },
          {
            "average": 1.510762422,
            "count": 7761961,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9449306629,
            "variance": 0.8928939577
          },
          {
            "average": 1,
            "count": 7761961,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7761961,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.234800974,
            "count": 7761961,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4238743912,
            "variance": 0.1796694996
          },
          {
            "average": 9.784483265,
            "count": 7761961,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.38104141,
            "variance": 107.7660207
          },
          {
            "average": 91.8082366,
            "count": 7761961,
            "maximum": 216,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.34234662,
            "variance": 4139.937568
          },
          {
            "average": 4.933248698,
            "count": 7761961,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.710880079,
            "variance": 2.927110646
          },
          {
            "average": 64111492.89,
            "count": 7761961,
            "maximum": 65306622.26,
            "minimum": 62718366.94,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1251222.816,
            "variance": 1565558535000.0
          },
          {
            "average": 0,
            "count": 7761961,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7761961,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7761961,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7761961,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7761961,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6643,
          2358998.464,
          0.7190929389,
          591999.6643,
          2359998.464,
          60.35909294
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6642591156,
                2358998.4639182724,
                0.719092938855589
              ],
              [
                590999.6642591156,
                2359998.4639182724,
                0.719092938855589
              ],
              [
                591999.6642591156,
                2359998.4639182724,
                60.35909293885559
              ],
              [
                591999.6642591156,
                2358998.4639182724,
                60.35909293885559
              ],
              [
                590999.6642591156,
                2358998.4639182724,
                0.719092938855589
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:30:22+00:00",
        "end_time": "2013-09-08T23:32:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9159.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9159.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9159.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9159.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.122482,
            21.33062364,
            0.7190929389,
            -158.1127854,
            21.33970846,
            60.35909294
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12248198050273,
                  21.330674249125924,
                  0.719092938855589
                ],
                [
                  -158.12242825945867,
                  21.33970845721739,
                  0.719092938855589
                ],
                [
                  -158.11278544970156,
                  21.33965782081596,
                  60.35909293885559
                ],
                [
                  -158.1128397610389,
                  21.33062363627862,
                  60.35909293885559
                ],
                [
                  -158.12248198050273,
                  21.330674249125924,
                  0.719092938855589
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9159.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9159.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:30:22Z",
            "pc:count": 7761961,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591365.4597,
                "count": 7761961,
                "maximum": 591999.6643,
                "minimum": 590999.6643,
                "name": "X",
                "position": 0,
                "stddev": 286.3198049,
                "variance": 81979.03066
              },
              {
                "average": 2359405.952,
                "count": 7761961,
                "maximum": 2359998.464,
                "minimum": 2358998.464,
                "name": "Y",
                "position": 1,
                "stddev": 275.1856824,
                "variance": 75727.15982
              },
              {
                "average": 10.76492657,
                "count": 7761961,
                "maximum": 60.35909294,
                "minimum": 0.7190929389,
                "name": "Z",
                "position": 2,
                "stddev": 7.54612401,
                "variance": 56.94398758
              },
              {
                "average": 32.19585115,
                "count": 7761961,
                "maximum": 916,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 52.63594151,
                "variance": 2770.542339
              },
              {
                "average": 1.262569214,
                "count": 7761961,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6344217074,
                "variance": 0.4024909028
              },
              {
                "average": 1.510762422,
                "count": 7761961,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9449306629,
                "variance": 0.8928939577
              },
              {
                "average": 1,
                "count": 7761961,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7761961,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.234800974,
                "count": 7761961,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4238743912,
                "variance": 0.1796694996
              },
              {
                "average": 9.784483265,
                "count": 7761961,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.38104141,
                "variance": 107.7660207
              },
              {
                "average": 91.8082366,
                "count": 7761961,
                "maximum": 216,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.34234662,
                "variance": 4139.937568
              },
              {
                "average": 4.933248698,
                "count": 7761961,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.710880079,
                "variance": 2.927110646
              },
              {
                "average": 64111492.89,
                "count": 7761961,
                "maximum": 65306622.26,
                "minimum": 62718366.94,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1251222.816,
                "variance": 1565558535000.0
              },
              {
                "average": 0,
                "count": 7761961,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7761961,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7761961,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7761961,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7761961,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6643,
              2358998.464,
              0.7190929389,
              591999.6643,
              2359998.464,
              60.35909294
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6642591156,
                    2358998.4639182724,
                    0.719092938855589
                  ],
                  [
                    590999.6642591156,
                    2359998.4639182724,
                    0.719092938855589
                  ],
                  [
                    591999.6642591156,
                    2359998.4639182724,
                    60.35909293885559
                  ],
                  [
                    591999.6642591156,
                    2358998.4639182724,
                    60.35909293885559
                  ],
                  [
                    590999.6642591156,
                    2358998.4639182724,
                    0.719092938855589
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:30:22+00:00",
            "end_time": "2013-09-08T23:32:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej7987.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.23687648430496,
              21.584200327086773,
              -26.520578080218176
            ],
            [
              -158.23684264515288,
              21.590660328726972,
              -26.520578080218176
            ],
            [
              -158.22718302996068,
              21.590615768023714,
              -5.560578080218175
            ],
            [
              -158.22721729690008,
              21.584155781139792,
              -5.560578080218175
            ],
            [
              -158.23687648430496,
              21.584200327086773,
              -26.520578080218176
            ]
          ]
        ]
      },
      "bbox": [
        -158.2368765,
        21.58415578,
        -26.52057808,
        -158.227183,
        21.59066033,
        -5.56057808
      ],
      "properties": {
        "datetime": "2013-09-10T17:48:10Z",
        "pc:count": 1727659,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 579501.6389,
            "count": 1727659,
            "maximum": 579999.5742,
            "minimum": 578999.5742,
            "name": "X",
            "position": 0,
            "stddev": 289.405229,
            "variance": 83755.38656
          },
          {
            "average": 2387237.624,
            "count": 1727659,
            "maximum": 2387713.519,
            "minimum": 2386998.459,
            "name": "Y",
            "position": 1,
            "stddev": 166.9847659,
            "variance": 27883.91205
          },
          {
            "average": -11.49036733,
            "count": 1727659,
            "maximum": -5.56057808,
            "minimum": -26.52057808,
            "name": "Z",
            "position": 2,
            "stddev": 3.633401436,
            "variance": 13.201606
          },
          {
            "average": 42.90498646,
            "count": 1727659,
            "maximum": 853,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 88.10886739,
            "variance": 7763.172514
          },
          {
            "average": 1.01213376,
            "count": 1727659,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1109587079,
            "variance": 0.01231183486
          },
          {
            "average": 1.022907298,
            "count": 1727659,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1525731876,
            "variance": 0.02327857757
          },
          {
            "average": 1,
            "count": 1727659,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1727659,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1727659,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.54211145,
            "count": 1727659,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.791807118,
            "variance": 46.12864393
          },
          {
            "average": 108.8789344,
            "count": 1727659,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 82.79920108,
            "variance": 6855.707699
          },
          {
            "average": 7.440097265,
            "count": 1727659,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9359675531,
            "variance": 0.8760352605
          },
          {
            "average": 62869731,
            "count": 1727659,
            "maximum": 62870490.87,
            "minimum": 62868999.76,
            "name": "GpsTime",
            "position": 12,
            "stddev": 474.3685766,
            "variance": 225025.5465
          },
          {
            "average": 0,
            "count": 1727659,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1727659,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1727659,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1727659,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1727659,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          578999.5742,
          2386998.459,
          -26.52057808,
          579999.5742,
          2387713.519,
          -5.56057808
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                578999.5742477805,
                2386998.4585959613,
                -26.520578080218176
              ],
              [
                578999.5742477805,
                2387713.518595961,
                -26.520578080218176
              ],
              [
                579999.5742477805,
                2387713.518595961,
                -5.560578080218175
              ],
              [
                579999.5742477805,
                2386998.4585959613,
                -5.560578080218175
              ],
              [
                578999.5742477805,
                2386998.4585959613,
                -26.520578080218176
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:48:10+00:00",
        "end_time": "2013-09-10T17:23:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej7987.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej7987.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej7987.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7987.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2368765,
            21.58415578,
            -26.52057808,
            -158.227183,
            21.59066033,
            -5.56057808
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.23687648430496,
                  21.584200327086773,
                  -26.520578080218176
                ],
                [
                  -158.23684264515288,
                  21.590660328726972,
                  -26.520578080218176
                ],
                [
                  -158.22718302996068,
                  21.590615768023714,
                  -5.560578080218175
                ],
                [
                  -158.22721729690008,
                  21.584155781139792,
                  -5.560578080218175
                ],
                [
                  -158.23687648430496,
                  21.584200327086773,
                  -26.520578080218176
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej7987.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej7987.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:48:10Z",
            "pc:count": 1727659,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 579501.6389,
                "count": 1727659,
                "maximum": 579999.5742,
                "minimum": 578999.5742,
                "name": "X",
                "position": 0,
                "stddev": 289.405229,
                "variance": 83755.38656
              },
              {
                "average": 2387237.624,
                "count": 1727659,
                "maximum": 2387713.519,
                "minimum": 2386998.459,
                "name": "Y",
                "position": 1,
                "stddev": 166.9847659,
                "variance": 27883.91205
              },
              {
                "average": -11.49036733,
                "count": 1727659,
                "maximum": -5.56057808,
                "minimum": -26.52057808,
                "name": "Z",
                "position": 2,
                "stddev": 3.633401436,
                "variance": 13.201606
              },
              {
                "average": 42.90498646,
                "count": 1727659,
                "maximum": 853,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 88.10886739,
                "variance": 7763.172514
              },
              {
                "average": 1.01213376,
                "count": 1727659,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1109587079,
                "variance": 0.01231183486
              },
              {
                "average": 1.022907298,
                "count": 1727659,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1525731876,
                "variance": 0.02327857757
              },
              {
                "average": 1,
                "count": 1727659,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1727659,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1727659,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.54211145,
                "count": 1727659,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.791807118,
                "variance": 46.12864393
              },
              {
                "average": 108.8789344,
                "count": 1727659,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 82.79920108,
                "variance": 6855.707699
              },
              {
                "average": 7.440097265,
                "count": 1727659,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9359675531,
                "variance": 0.8760352605
              },
              {
                "average": 62869731,
                "count": 1727659,
                "maximum": 62870490.87,
                "minimum": 62868999.76,
                "name": "GpsTime",
                "position": 12,
                "stddev": 474.3685766,
                "variance": 225025.5465
              },
              {
                "average": 0,
                "count": 1727659,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1727659,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1727659,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1727659,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1727659,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              578999.5742,
              2386998.459,
              -26.52057808,
              579999.5742,
              2387713.519,
              -5.56057808
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    578999.5742477805,
                    2386998.4585959613,
                    -26.520578080218176
                  ],
                  [
                    578999.5742477805,
                    2387713.518595961,
                    -26.520578080218176
                  ],
                  [
                    579999.5742477805,
                    2387713.518595961,
                    -5.560578080218175
                  ],
                  [
                    579999.5742477805,
                    2386998.4585959613,
                    -5.560578080218175
                  ],
                  [
                    578999.5742477805,
                    2386998.4585959613,
                    -26.520578080218176
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:48:10+00:00",
            "end_time": "2013-09-10T17:23:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8273.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.20858314564933,
              21.45758589092948,
              -5.210988892045604
            ],
            [
              -158.20853439257618,
              21.466620352347263,
              -5.210988892045604
            ],
            [
              -158.198883031839,
              21.46657440219567,
              30.649011107954394
            ],
            [
              -158.1989323804976,
              21.457539961479004,
              30.649011107954394
            ],
            [
              -158.20858314564933,
              21.45758589092948,
              -5.210988892045604
            ]
          ]
        ]
      },
      "bbox": [
        -158.2085831,
        21.45753996,
        -5.210988892,
        -158.198883,
        21.46662035,
        30.64901111
      ],
      "properties": {
        "datetime": "2013-09-18T20:28:41Z",
        "pc:count": 11235139,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 582477.5037,
            "count": 11235139,
            "maximum": 582999.6339,
            "minimum": 581999.6339,
            "name": "X",
            "position": 0,
            "stddev": 275.1607291,
            "variance": 75713.42685
          },
          {
            "average": 2373397.983,
            "count": 11235139,
            "maximum": 2373998.463,
            "minimum": 2372998.443,
            "name": "Y",
            "position": 1,
            "stddev": 259.8786114,
            "variance": 67536.89264
          },
          {
            "average": 8.452089746,
            "count": 11235139,
            "maximum": 30.64901111,
            "minimum": -5.210988892,
            "name": "Z",
            "position": 2,
            "stddev": 5.423520736,
            "variance": 29.41457717
          },
          {
            "average": 19.01310237,
            "count": 11235139,
            "maximum": 4240,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 47.12906908,
            "variance": 2221.149152
          },
          {
            "average": 1.787411086,
            "count": 11235139,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.093169703,
            "variance": 1.195019999
          },
          {
            "average": 2.5753231,
            "count": 11235139,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.574356456,
            "variance": 2.478598252
          },
          {
            "average": 1,
            "count": 11235139,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11235139,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.92409324,
            "count": 11235139,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.88028158,
            "variance": 47.33827461
          },
          {
            "average": 19.97750725,
            "count": 11235139,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.711783711,
            "variance": 13.77733832
          },
          {
            "average": 90.67864305,
            "count": 11235139,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.25022745,
            "variance": 4522.593092
          },
          {
            "average": 3.899760742,
            "count": 11235139,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.208549752,
            "variance": 1.460592504
          },
          {
            "average": 62802286.45,
            "count": 11235139,
            "maximum": 63571321.72,
            "minimum": 62716119.61,
            "name": "GpsTime",
            "position": 12,
            "stddev": 92210.03672,
            "variance": 8502690871
          },
          {
            "average": 0,
            "count": 11235139,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11235139,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11235139,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11235139,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11235139,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          581999.6339,
          2372998.443,
          -5.210988892,
          582999.6339,
          2373998.463,
          30.64901111
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                581999.6338718401,
                2372998.443388965,
                -5.210988892045604
              ],
              [
                581999.6338718401,
                2373998.4633889645,
                -5.210988892045604
              ],
              [
                582999.6338718401,
                2373998.4633889645,
                30.649011107954394
              ],
              [
                582999.6338718401,
                2372998.443388965,
                30.649011107954394
              ],
              [
                581999.6338718401,
                2372998.443388965,
                -5.210988892045604
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:28:41+00:00",
        "end_time": "2013-09-08T22:55:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8273.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8273.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8273.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8273.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2085831,
            21.45753996,
            -5.210988892,
            -158.198883,
            21.46662035,
            30.64901111
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.20858314564933,
                  21.45758589092948,
                  -5.210988892045604
                ],
                [
                  -158.20853439257618,
                  21.466620352347263,
                  -5.210988892045604
                ],
                [
                  -158.198883031839,
                  21.46657440219567,
                  30.649011107954394
                ],
                [
                  -158.1989323804976,
                  21.457539961479004,
                  30.649011107954394
                ],
                [
                  -158.20858314564933,
                  21.45758589092948,
                  -5.210988892045604
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8273.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8273.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:28:41Z",
            "pc:count": 11235139,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 582477.5037,
                "count": 11235139,
                "maximum": 582999.6339,
                "minimum": 581999.6339,
                "name": "X",
                "position": 0,
                "stddev": 275.1607291,
                "variance": 75713.42685
              },
              {
                "average": 2373397.983,
                "count": 11235139,
                "maximum": 2373998.463,
                "minimum": 2372998.443,
                "name": "Y",
                "position": 1,
                "stddev": 259.8786114,
                "variance": 67536.89264
              },
              {
                "average": 8.452089746,
                "count": 11235139,
                "maximum": 30.64901111,
                "minimum": -5.210988892,
                "name": "Z",
                "position": 2,
                "stddev": 5.423520736,
                "variance": 29.41457717
              },
              {
                "average": 19.01310237,
                "count": 11235139,
                "maximum": 4240,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 47.12906908,
                "variance": 2221.149152
              },
              {
                "average": 1.787411086,
                "count": 11235139,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.093169703,
                "variance": 1.195019999
              },
              {
                "average": 2.5753231,
                "count": 11235139,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.574356456,
                "variance": 2.478598252
              },
              {
                "average": 1,
                "count": 11235139,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11235139,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.92409324,
                "count": 11235139,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.88028158,
                "variance": 47.33827461
              },
              {
                "average": 19.97750725,
                "count": 11235139,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.711783711,
                "variance": 13.77733832
              },
              {
                "average": 90.67864305,
                "count": 11235139,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.25022745,
                "variance": 4522.593092
              },
              {
                "average": 3.899760742,
                "count": 11235139,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.208549752,
                "variance": 1.460592504
              },
              {
                "average": 62802286.45,
                "count": 11235139,
                "maximum": 63571321.72,
                "minimum": 62716119.61,
                "name": "GpsTime",
                "position": 12,
                "stddev": 92210.03672,
                "variance": 8502690871
              },
              {
                "average": 0,
                "count": 11235139,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11235139,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11235139,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11235139,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11235139,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              581999.6339,
              2372998.443,
              -5.210988892,
              582999.6339,
              2373998.463,
              30.64901111
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    581999.6338718401,
                    2372998.443388965,
                    -5.210988892045604
                  ],
                  [
                    581999.6338718401,
                    2373998.4633889645,
                    -5.210988892045604
                  ],
                  [
                    582999.6338718401,
                    2373998.4633889645,
                    30.649011107954394
                  ],
                  [
                    582999.6338718401,
                    2372998.443388965,
                    30.649011107954394
                  ],
                  [
                    581999.6338718401,
                    2372998.443388965,
                    -5.210988892045604
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:28:41+00:00",
            "end_time": "2013-09-08T22:55:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9160.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12242829001903,
              21.339708458826905,
              6.451477960805413
            ],
            [
              -158.12237454042133,
              21.34874266052554,
              6.451477960805413
            ],
            [
              -158.11273114024425,
              21.348692000453237,
              73.05147796080541
            ],
            [
              -158.1127854802617,
              21.339657822427235,
              73.05147796080541
            ],
            [
              -158.12242829001903,
              21.339708458826905,
              6.451477960805413
            ]
          ]
        ]
      },
      "bbox": [
        -158.1224283,
        21.33965782,
        6.451477961,
        -158.1127311,
        21.34874266,
        73.05147796
      ],
      "properties": {
        "datetime": "2013-10-08T22:30:07Z",
        "pc:count": 690562,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591248.4239,
            "count": 690562,
            "maximum": 591999.6611,
            "minimum": 590999.6611,
            "name": "X",
            "position": 0,
            "stddev": 298.4734934,
            "variance": 89086.42626
          },
          {
            "average": 2360252.23,
            "count": 690562,
            "maximum": 2360998.464,
            "minimum": 2359998.464,
            "name": "Y",
            "position": 1,
            "stddev": 265.8793136,
            "variance": 70691.80938
          },
          {
            "average": 17.65767795,
            "count": 690562,
            "maximum": 73.05147796,
            "minimum": 6.451477961,
            "name": "Z",
            "position": 2,
            "stddev": 13.41211339,
            "variance": 179.8847855
          },
          {
            "average": 36.1831349,
            "count": 690562,
            "maximum": 824,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 61.91791817,
            "variance": 3833.828591
          },
          {
            "average": 1.260254691,
            "count": 690562,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6381427451,
            "variance": 0.4072261631
          },
          {
            "average": 1.509033222,
            "count": 690562,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9618303504,
            "variance": 0.9251176229
          },
          {
            "average": 1,
            "count": 690562,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 690562,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.419445321,
            "count": 690562,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4934686377,
            "variance": 0.2435112964
          },
          {
            "average": 13.19000594,
            "count": 690562,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.4637144,
            "variance": 109.489319
          },
          {
            "average": 90.76608038,
            "count": 690562,
            "maximum": 200,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.76481221,
            "variance": 4194.480901
          },
          {
            "average": 4.304664896,
            "count": 690562,
            "maximum": 7,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.199721035,
            "variance": 1.439330562
          },
          {
            "average": 63698189.37,
            "count": 690562,
            "maximum": 65306607.21,
            "minimum": 62716336.42,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1248134.155,
            "variance": 1557838869000.0
          },
          {
            "average": 0,
            "count": 690562,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 690562,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 690562,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 690562,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 690562,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6611,
          2359998.464,
          6.451477961,
          591999.6611,
          2360998.464,
          73.05147796
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6610889914,
                2359998.46407876,
                6.451477960805413
              ],
              [
                590999.6610889914,
                2360998.46407876,
                6.451477960805413
              ],
              [
                591999.6610889914,
                2360998.46407876,
                73.05147796080541
              ],
              [
                591999.6610889914,
                2359998.46407876,
                73.05147796080541
              ],
              [
                590999.6610889914,
                2359998.46407876,
                6.451477960805413
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:30:07+00:00",
        "end_time": "2013-09-08T22:58:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9160.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9160.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9160.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9160.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1224283,
            21.33965782,
            6.451477961,
            -158.1127311,
            21.34874266,
            73.05147796
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12242829001903,
                  21.339708458826905,
                  6.451477960805413
                ],
                [
                  -158.12237454042133,
                  21.34874266052554,
                  6.451477960805413
                ],
                [
                  -158.11273114024425,
                  21.348692000453237,
                  73.05147796080541
                ],
                [
                  -158.1127854802617,
                  21.339657822427235,
                  73.05147796080541
                ],
                [
                  -158.12242829001903,
                  21.339708458826905,
                  6.451477960805413
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9160.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9160.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:30:07Z",
            "pc:count": 690562,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591248.4239,
                "count": 690562,
                "maximum": 591999.6611,
                "minimum": 590999.6611,
                "name": "X",
                "position": 0,
                "stddev": 298.4734934,
                "variance": 89086.42626
              },
              {
                "average": 2360252.23,
                "count": 690562,
                "maximum": 2360998.464,
                "minimum": 2359998.464,
                "name": "Y",
                "position": 1,
                "stddev": 265.8793136,
                "variance": 70691.80938
              },
              {
                "average": 17.65767795,
                "count": 690562,
                "maximum": 73.05147796,
                "minimum": 6.451477961,
                "name": "Z",
                "position": 2,
                "stddev": 13.41211339,
                "variance": 179.8847855
              },
              {
                "average": 36.1831349,
                "count": 690562,
                "maximum": 824,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 61.91791817,
                "variance": 3833.828591
              },
              {
                "average": 1.260254691,
                "count": 690562,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6381427451,
                "variance": 0.4072261631
              },
              {
                "average": 1.509033222,
                "count": 690562,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9618303504,
                "variance": 0.9251176229
              },
              {
                "average": 1,
                "count": 690562,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 690562,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.419445321,
                "count": 690562,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4934686377,
                "variance": 0.2435112964
              },
              {
                "average": 13.19000594,
                "count": 690562,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.4637144,
                "variance": 109.489319
              },
              {
                "average": 90.76608038,
                "count": 690562,
                "maximum": 200,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.76481221,
                "variance": 4194.480901
              },
              {
                "average": 4.304664896,
                "count": 690562,
                "maximum": 7,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.199721035,
                "variance": 1.439330562
              },
              {
                "average": 63698189.37,
                "count": 690562,
                "maximum": 65306607.21,
                "minimum": 62716336.42,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1248134.155,
                "variance": 1557838869000.0
              },
              {
                "average": 0,
                "count": 690562,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 690562,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 690562,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 690562,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 690562,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6611,
              2359998.464,
              6.451477961,
              591999.6611,
              2360998.464,
              73.05147796
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6610889914,
                    2359998.46407876,
                    6.451477960805413
                  ],
                  [
                    590999.6610889914,
                    2360998.46407876,
                    6.451477960805413
                  ],
                  [
                    591999.6610889914,
                    2360998.46407876,
                    73.05147796080541
                  ],
                  [
                    591999.6610889914,
                    2359998.46407876,
                    73.05147796080541
                  ],
                  [
                    590999.6610889914,
                    2359998.46407876,
                    6.451477960805413
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:30:07+00:00",
            "end_time": "2013-09-08T22:58:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9161.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1223745154203,
              21.348742754702375,
              51.18389401533264
            ],
            [
              -158.12235915498997,
              21.351323644268835,
              51.18389401533264
            ],
            [
              -158.120810781571,
              21.351315546566788,
              84.70389401533265
            ],
            [
              -158.12082616907853,
              21.348734658094724,
              84.70389401533265
            ],
            [
              -158.1223745154203,
              21.348742754702375,
              51.18389401533264
            ]
          ]
        ]
      },
      "bbox": [
        -158.1223745,
        21.34873466,
        51.18389402,
        -158.1208108,
        21.35132364,
        84.70389402
      ],
      "properties": {
        "datetime": "2013-09-08T22:58:59Z",
        "pc:count": 88611,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591063.7808,
            "count": 88611,
            "maximum": 591160.2236,
            "minimum": 590999.6636,
            "name": "X",
            "position": 0,
            "stddev": 41.12695782,
            "variance": 1691.42666
          },
          {
            "average": 2361117.035,
            "count": 88611,
            "maximum": 2361284.155,
            "minimum": 2360998.475,
            "name": "Y",
            "position": 1,
            "stddev": 70.90016282,
            "variance": 5026.833087
          },
          {
            "average": 68.37104753,
            "count": 88611,
            "maximum": 84.70389402,
            "minimum": 51.18389402,
            "name": "Z",
            "position": 2,
            "stddev": 5.565179815,
            "variance": 30.97122637
          },
          {
            "average": 66.92834975,
            "count": 88611,
            "maximum": 607,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 102.3149573,
            "variance": 10468.35048
          },
          {
            "average": 1.060985656,
            "count": 88611,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2721391913,
            "variance": 0.07405973945
          },
          {
            "average": 1.122039025,
            "count": 88611,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4066964299,
            "variance": 0.1654019861
          },
          {
            "average": 1,
            "count": 88611,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 88611,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.500310345,
            "count": 88611,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.500002725,
            "variance": 0.250002725
          },
          {
            "average": 21.54517205,
            "count": 88611,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.091622792,
            "variance": 1.191640321
          },
          {
            "average": 89.00650032,
            "count": 88611,
            "maximum": 189,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.91895439,
            "variance": 4085.632731
          },
          {
            "average": 2,
            "count": 88611,
            "maximum": 2,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62716336.99,
            "count": 88611,
            "maximum": 62716339.41,
            "minimum": 62716334.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.316360529,
            "variance": 1.732805044
          },
          {
            "average": 0,
            "count": 88611,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 88611,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 88611,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 88611,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 88611,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6636,
          2360998.475,
          51.18389402,
          591160.2236,
          2361284.155,
          84.70389402
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6636233465,
                2360998.474517375,
                51.18389401533264
              ],
              [
                590999.6636233465,
                2361284.154517375,
                51.18389401533264
              ],
              [
                591160.2236233465,
                2361284.154517375,
                84.70389401533265
              ],
              [
                591160.2236233465,
                2360998.474517375,
                84.70389401533265
              ],
              [
                590999.6636233465,
                2360998.474517375,
                51.18389401533264
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-08T22:58:59+00:00",
        "end_time": "2013-09-08T22:58:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9161.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9161.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9161.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9161.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1223745,
            21.34873466,
            51.18389402,
            -158.1208108,
            21.35132364,
            84.70389402
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1223745154203,
                  21.348742754702375,
                  51.18389401533264
                ],
                [
                  -158.12235915498997,
                  21.351323644268835,
                  51.18389401533264
                ],
                [
                  -158.120810781571,
                  21.351315546566788,
                  84.70389401533265
                ],
                [
                  -158.12082616907853,
                  21.348734658094724,
                  84.70389401533265
                ],
                [
                  -158.1223745154203,
                  21.348742754702375,
                  51.18389401533264
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9161.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9161.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-08T22:58:59Z",
            "pc:count": 88611,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591063.7808,
                "count": 88611,
                "maximum": 591160.2236,
                "minimum": 590999.6636,
                "name": "X",
                "position": 0,
                "stddev": 41.12695782,
                "variance": 1691.42666
              },
              {
                "average": 2361117.035,
                "count": 88611,
                "maximum": 2361284.155,
                "minimum": 2360998.475,
                "name": "Y",
                "position": 1,
                "stddev": 70.90016282,
                "variance": 5026.833087
              },
              {
                "average": 68.37104753,
                "count": 88611,
                "maximum": 84.70389402,
                "minimum": 51.18389402,
                "name": "Z",
                "position": 2,
                "stddev": 5.565179815,
                "variance": 30.97122637
              },
              {
                "average": 66.92834975,
                "count": 88611,
                "maximum": 607,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 102.3149573,
                "variance": 10468.35048
              },
              {
                "average": 1.060985656,
                "count": 88611,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2721391913,
                "variance": 0.07405973945
              },
              {
                "average": 1.122039025,
                "count": 88611,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4066964299,
                "variance": 0.1654019861
              },
              {
                "average": 1,
                "count": 88611,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 88611,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.500310345,
                "count": 88611,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.500002725,
                "variance": 0.250002725
              },
              {
                "average": 21.54517205,
                "count": 88611,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.091622792,
                "variance": 1.191640321
              },
              {
                "average": 89.00650032,
                "count": 88611,
                "maximum": 189,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.91895439,
                "variance": 4085.632731
              },
              {
                "average": 2,
                "count": 88611,
                "maximum": 2,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62716336.99,
                "count": 88611,
                "maximum": 62716339.41,
                "minimum": 62716334.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.316360529,
                "variance": 1.732805044
              },
              {
                "average": 0,
                "count": 88611,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 88611,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 88611,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 88611,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 88611,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6636,
              2360998.475,
              51.18389402,
              591160.2236,
              2361284.155,
              84.70389402
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6636233465,
                    2360998.474517375,
                    51.18389401533264
                  ],
                  [
                    590999.6636233465,
                    2361284.154517375,
                    51.18389401533264
                  ],
                  [
                    591160.2236233465,
                    2361284.154517375,
                    84.70389401533265
                  ],
                  [
                    591160.2236233465,
                    2360998.474517375,
                    84.70389401533265
                  ],
                  [
                    590999.6636233465,
                    2360998.474517375,
                    51.18389401533264
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-08T22:58:59+00:00",
            "end_time": "2013-09-08T22:58:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9185.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1210330238074,
              21.5726769358653,
              1.179899991708648
            ],
            [
              -158.12102145359663,
              21.574595028175413,
              1.179899991708648
            ],
            [
              -158.1187979180973,
              21.574583280723612,
              33.739899991708654
            ],
            [
              -158.11880951758042,
              21.57266518953835,
              33.739899991708654
            ],
            [
              -158.1210330238074,
              21.5726769358653,
              1.179899991708648
            ]
          ]
        ]
      },
      "bbox": [
        -158.121033,
        21.57266519,
        1.179899992,
        -158.1187979,
        21.57459503,
        33.73989999
      ],
      "properties": {
        "datetime": "2013-09-10T19:15:36Z",
        "pc:count": 84175,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591104.1014,
            "count": 84175,
            "maximum": 591229.8565,
            "minimum": 590999.6365,
            "name": "X",
            "position": 0,
            "stddev": 58.01484296,
            "variance": 3365.722004
          },
          {
            "average": 2385909.807,
            "count": 84175,
            "maximum": 2385998.473,
            "minimum": 2385786.153,
            "name": "Y",
            "position": 1,
            "stddev": 53.70885171,
            "variance": 2884.640752
          },
          {
            "average": 5.013866846,
            "count": 84175,
            "maximum": 33.73989999,
            "minimum": 1.179899992,
            "name": "Z",
            "position": 2,
            "stddev": 5.156346136,
            "variance": 26.58790548
          },
          {
            "average": 9.134873775,
            "count": 84175,
            "maximum": 293,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 9.942434029,
            "variance": 98.85199442
          },
          {
            "average": 1.511422631,
            "count": 84175,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7968858468,
            "variance": 0.6350270528
          },
          {
            "average": 1.936798337,
            "count": 84175,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.081172054,
            "variance": 1.16893301
          },
          {
            "average": 1,
            "count": 84175,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84175,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.345446985,
            "count": 84175,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4755166159,
            "variance": 0.226116052
          },
          {
            "average": 23.70026993,
            "count": 84175,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.9077178711,
            "variance": 0.8239517335
          },
          {
            "average": 92.20831601,
            "count": 84175,
            "maximum": 193,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.50813957,
            "variance": 4161.300071
          },
          {
            "average": 9,
            "count": 84175,
            "maximum": 9,
            "minimum": 9,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62875734.74,
            "count": 84175,
            "maximum": 62875736.34,
            "minimum": 62875732.82,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.9491997258,
            "variance": 0.9009801194
          },
          {
            "average": 0,
            "count": 84175,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84175,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84175,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84175,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84175,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6365,
          2385786.153,
          1.179899992,
          591229.8565,
          2385998.473,
          33.73989999
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6365460524,
                2385786.153287006,
                1.179899991708648
              ],
              [
                590999.6365460524,
                2385998.4732870064,
                1.179899991708648
              ],
              [
                591229.8565460524,
                2385998.4732870064,
                33.739899991708654
              ],
              [
                591229.8565460524,
                2385786.153287006,
                33.739899991708654
              ],
              [
                590999.6365460524,
                2385786.153287006,
                1.179899991708648
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T19:15:36+00:00",
        "end_time": "2013-09-10T19:15:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9185.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9185.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9185.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9185.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.121033,
            21.57266519,
            1.179899992,
            -158.1187979,
            21.57459503,
            33.73989999
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1210330238074,
                  21.5726769358653,
                  1.179899991708648
                ],
                [
                  -158.12102145359663,
                  21.574595028175413,
                  1.179899991708648
                ],
                [
                  -158.1187979180973,
                  21.574583280723612,
                  33.739899991708654
                ],
                [
                  -158.11880951758042,
                  21.57266518953835,
                  33.739899991708654
                ],
                [
                  -158.1210330238074,
                  21.5726769358653,
                  1.179899991708648
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9185.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9185.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T19:15:36Z",
            "pc:count": 84175,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591104.1014,
                "count": 84175,
                "maximum": 591229.8565,
                "minimum": 590999.6365,
                "name": "X",
                "position": 0,
                "stddev": 58.01484296,
                "variance": 3365.722004
              },
              {
                "average": 2385909.807,
                "count": 84175,
                "maximum": 2385998.473,
                "minimum": 2385786.153,
                "name": "Y",
                "position": 1,
                "stddev": 53.70885171,
                "variance": 2884.640752
              },
              {
                "average": 5.013866846,
                "count": 84175,
                "maximum": 33.73989999,
                "minimum": 1.179899992,
                "name": "Z",
                "position": 2,
                "stddev": 5.156346136,
                "variance": 26.58790548
              },
              {
                "average": 9.134873775,
                "count": 84175,
                "maximum": 293,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 9.942434029,
                "variance": 98.85199442
              },
              {
                "average": 1.511422631,
                "count": 84175,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7968858468,
                "variance": 0.6350270528
              },
              {
                "average": 1.936798337,
                "count": 84175,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.081172054,
                "variance": 1.16893301
              },
              {
                "average": 1,
                "count": 84175,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84175,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.345446985,
                "count": 84175,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4755166159,
                "variance": 0.226116052
              },
              {
                "average": 23.70026993,
                "count": 84175,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.9077178711,
                "variance": 0.8239517335
              },
              {
                "average": 92.20831601,
                "count": 84175,
                "maximum": 193,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.50813957,
                "variance": 4161.300071
              },
              {
                "average": 9,
                "count": 84175,
                "maximum": 9,
                "minimum": 9,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62875734.74,
                "count": 84175,
                "maximum": 62875736.34,
                "minimum": 62875732.82,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.9491997258,
                "variance": 0.9009801194
              },
              {
                "average": 0,
                "count": 84175,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84175,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84175,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84175,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84175,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6365,
              2385786.153,
              1.179899992,
              591229.8565,
              2385998.473,
              33.73989999
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6365460524,
                    2385786.153287006,
                    1.179899991708648
                  ],
                  [
                    590999.6365460524,
                    2385998.4732870064,
                    1.179899991708648
                  ],
                  [
                    591229.8565460524,
                    2385998.4732870064,
                    33.739899991708654
                  ],
                  [
                    591229.8565460524,
                    2385786.153287006,
                    33.739899991708654
                  ],
                  [
                    590999.6365460524,
                    2385786.153287006,
                    1.179899991708648
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T19:15:36+00:00",
            "end_time": "2013-09-10T19:15:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8765.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.16074264546057,
              21.38507681040966,
              -23.235904122136247
            ],
            [
              -158.16069111041207,
              21.394111254238826,
              -23.235904122136247
            ],
            [
              -158.15104465351615,
              21.39406268378156,
              25.264095877863753
            ],
            [
              -158.1510967795917,
              21.3850282626299,
              25.264095877863753
            ],
            [
              -158.16074264546057,
              21.38507681040966,
              -23.235904122136247
            ]
          ]
        ]
      },
      "bbox": [
        -158.1607426,
        21.38502826,
        -23.23590412,
        -158.1510447,
        21.39411125,
        25.26409588
      ],
      "properties": {
        "datetime": "2013-09-18T20:42:35Z",
        "pc:count": 9504565,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 587568.9984,
            "count": 9504565,
            "maximum": 587999.6545,
            "minimum": 586999.6545,
            "name": "X",
            "position": 0,
            "stddev": 277.2222645,
            "variance": 76852.18391
          },
          {
            "average": 2365558.397,
            "count": 9504565,
            "maximum": 2365998.474,
            "minimum": 2364998.454,
            "name": "Y",
            "position": 1,
            "stddev": 274.4161066,
            "variance": 75304.19954
          },
          {
            "average": 0.2747209249,
            "count": 9504565,
            "maximum": 25.26409588,
            "minimum": -23.23590412,
            "name": "Z",
            "position": 2,
            "stddev": 7.121111224,
            "variance": 50.71022507
          },
          {
            "average": 33.41395109,
            "count": 9504565,
            "maximum": 8207,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 79.08928607,
            "variance": 6255.115171
          },
          {
            "average": 1.221710304,
            "count": 9504565,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6165870071,
            "variance": 0.3801795373
          },
          {
            "average": 1.443996438,
            "count": 9504565,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9570960667,
            "variance": 0.9160328808
          },
          {
            "average": 1,
            "count": 9504565,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9504565,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.12713007,
            "count": 9504565,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.78921663,
            "variance": 190.1424952
          },
          {
            "average": 19.90531673,
            "count": 9504565,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.249498266,
            "variance": 10.55923898
          },
          {
            "average": 93.16844737,
            "count": 9504565,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.97622551,
            "variance": 4757.719686
          },
          {
            "average": 3.918678656,
            "count": 9504565,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.582351657,
            "variance": 2.503836765
          },
          {
            "average": 62802452.56,
            "count": 9504565,
            "maximum": 63572155.32,
            "minimum": 62715602.35,
            "name": "GpsTime",
            "position": 12,
            "stddev": 114862.6648,
            "variance": 13193431760.0
          },
          {
            "average": 0,
            "count": 9504565,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9504565,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9504565,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9504565,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9504565,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          586999.6545,
          2364998.454,
          -23.23590412,
          587999.6545,
          2365998.474,
          25.26409588
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                586999.6545420331,
                2364998.453741211,
                -23.235904122136247
              ],
              [
                586999.6545420331,
                2365998.4737412105,
                -23.235904122136247
              ],
              [
                587999.6545420331,
                2365998.4737412105,
                25.264095877863753
              ],
              [
                587999.6545420331,
                2364998.453741211,
                25.264095877863753
              ],
              [
                586999.6545420331,
                2364998.453741211,
                -23.235904122136247
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:42:35+00:00",
        "end_time": "2013-09-08T22:46:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8765.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8765.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8765.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8765.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1607426,
            21.38502826,
            -23.23590412,
            -158.1510447,
            21.39411125,
            25.26409588
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.16074264546057,
                  21.38507681040966,
                  -23.235904122136247
                ],
                [
                  -158.16069111041207,
                  21.394111254238826,
                  -23.235904122136247
                ],
                [
                  -158.15104465351615,
                  21.39406268378156,
                  25.264095877863753
                ],
                [
                  -158.1510967795917,
                  21.3850282626299,
                  25.264095877863753
                ],
                [
                  -158.16074264546057,
                  21.38507681040966,
                  -23.235904122136247
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8765.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8765.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:42:35Z",
            "pc:count": 9504565,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 587568.9984,
                "count": 9504565,
                "maximum": 587999.6545,
                "minimum": 586999.6545,
                "name": "X",
                "position": 0,
                "stddev": 277.2222645,
                "variance": 76852.18391
              },
              {
                "average": 2365558.397,
                "count": 9504565,
                "maximum": 2365998.474,
                "minimum": 2364998.454,
                "name": "Y",
                "position": 1,
                "stddev": 274.4161066,
                "variance": 75304.19954
              },
              {
                "average": 0.2747209249,
                "count": 9504565,
                "maximum": 25.26409588,
                "minimum": -23.23590412,
                "name": "Z",
                "position": 2,
                "stddev": 7.121111224,
                "variance": 50.71022507
              },
              {
                "average": 33.41395109,
                "count": 9504565,
                "maximum": 8207,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 79.08928607,
                "variance": 6255.115171
              },
              {
                "average": 1.221710304,
                "count": 9504565,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6165870071,
                "variance": 0.3801795373
              },
              {
                "average": 1.443996438,
                "count": 9504565,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9570960667,
                "variance": 0.9160328808
              },
              {
                "average": 1,
                "count": 9504565,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9504565,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.12713007,
                "count": 9504565,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.78921663,
                "variance": 190.1424952
              },
              {
                "average": 19.90531673,
                "count": 9504565,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.249498266,
                "variance": 10.55923898
              },
              {
                "average": 93.16844737,
                "count": 9504565,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.97622551,
                "variance": 4757.719686
              },
              {
                "average": 3.918678656,
                "count": 9504565,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.582351657,
                "variance": 2.503836765
              },
              {
                "average": 62802452.56,
                "count": 9504565,
                "maximum": 63572155.32,
                "minimum": 62715602.35,
                "name": "GpsTime",
                "position": 12,
                "stddev": 114862.6648,
                "variance": 13193431760.0
              },
              {
                "average": 0,
                "count": 9504565,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9504565,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9504565,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9504565,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9504565,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              586999.6545,
              2364998.454,
              -23.23590412,
              587999.6545,
              2365998.474,
              25.26409588
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    586999.6545420331,
                    2364998.453741211,
                    -23.235904122136247
                  ],
                  [
                    586999.6545420331,
                    2365998.4737412105,
                    -23.235904122136247
                  ],
                  [
                    587999.6545420331,
                    2365998.4737412105,
                    25.264095877863753
                  ],
                  [
                    587999.6545420331,
                    2364998.453741211,
                    25.264095877863753
                  ],
                  [
                    586999.6545420331,
                    2364998.453741211,
                    -23.235904122136247
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:42:35+00:00",
            "end_time": "2013-09-08T22:46:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8274.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.20853443179269,
              21.466620262018104,
              7.999160473215829
            ],
            [
              -158.20851079545093,
              21.47099935334963,
              7.999160473215829
            ],
            [
              -158.20501978951017,
              21.470982794527913,
              34.39916047321583
            ],
            [
              -158.20504353017688,
              21.466603706884335,
              34.39916047321583
            ],
            [
              -158.20853443179269,
              21.466620262018104,
              7.999160473215829
            ]
          ]
        ]
      },
      "bbox": [
        -158.2085344,
        21.46660371,
        7.999160473,
        -158.2050198,
        21.47099935,
        34.39916047
      ],
      "properties": {
        "datetime": "2013-09-10T23:25:41Z",
        "pc:count": 674867,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 582180.5337,
            "count": 674867,
            "maximum": 582361.3299,
            "minimum": 581999.6299,
            "name": "X",
            "position": 0,
            "stddev": 100.5228504,
            "variance": 10104.84346
          },
          {
            "average": 2374144.402,
            "count": 674867,
            "maximum": 2374483.173,
            "minimum": 2373998.453,
            "name": "Y",
            "position": 1,
            "stddev": 112.9606469,
            "variance": 12760.10776
          },
          {
            "average": 14.32029979,
            "count": 674867,
            "maximum": 34.39916047,
            "minimum": 7.999160473,
            "name": "Z",
            "position": 2,
            "stddev": 4.008031293,
            "variance": 16.06431484
          },
          {
            "average": 20.49491974,
            "count": 674867,
            "maximum": 869,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 46.08801129,
            "variance": 2124.104784
          },
          {
            "average": 1.677128975,
            "count": 674867,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.006216742,
            "variance": 1.012472132
          },
          {
            "average": 2.354447617,
            "count": 674867,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.454828473,
            "variance": 2.116525885
          },
          {
            "average": 1,
            "count": 674867,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 674867,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.226773572,
            "count": 674867,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4187452432,
            "variance": 0.1753475787
          },
          {
            "average": 23.34738882,
            "count": 674867,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.858174537,
            "variance": 78.46725612
          },
          {
            "average": 90.35606571,
            "count": 674867,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.84709862,
            "variance": 4468.534594
          },
          {
            "average": 3.67009796,
            "count": 674867,
            "maximum": 4,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4701776383,
            "variance": 0.2210670116
          },
          {
            "average": 62774584.79,
            "count": 674867,
            "maximum": 62890741.88,
            "minimum": 62717421.48,
            "name": "GpsTime",
            "position": 12,
            "stddev": 81254.61564,
            "variance": 6602312564
          },
          {
            "average": 0,
            "count": 674867,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 674867,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 674867,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 674867,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 674867,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          581999.6299,
          2373998.453,
          7.999160473,
          582361.3299,
          2374483.173,
          34.39916047
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                581999.62985915,
                2373998.4533701832,
                7.999160473215829
              ],
              [
                581999.62985915,
                2374483.173370183,
                7.999160473215829
              ],
              [
                582361.32985915,
                2374483.173370183,
                34.39916047321583
              ],
              [
                582361.32985915,
                2373998.4533701832,
                34.39916047321583
              ],
              [
                581999.62985915,
                2373998.4533701832,
                7.999160473215829
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:25:41+00:00",
        "end_time": "2013-09-08T23:17:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8274.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8274.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8274.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8274.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2085344,
            21.46660371,
            7.999160473,
            -158.2050198,
            21.47099935,
            34.39916047
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.20853443179269,
                  21.466620262018104,
                  7.999160473215829
                ],
                [
                  -158.20851079545093,
                  21.47099935334963,
                  7.999160473215829
                ],
                [
                  -158.20501978951017,
                  21.470982794527913,
                  34.39916047321583
                ],
                [
                  -158.20504353017688,
                  21.466603706884335,
                  34.39916047321583
                ],
                [
                  -158.20853443179269,
                  21.466620262018104,
                  7.999160473215829
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8274.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8274.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:25:41Z",
            "pc:count": 674867,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 582180.5337,
                "count": 674867,
                "maximum": 582361.3299,
                "minimum": 581999.6299,
                "name": "X",
                "position": 0,
                "stddev": 100.5228504,
                "variance": 10104.84346
              },
              {
                "average": 2374144.402,
                "count": 674867,
                "maximum": 2374483.173,
                "minimum": 2373998.453,
                "name": "Y",
                "position": 1,
                "stddev": 112.9606469,
                "variance": 12760.10776
              },
              {
                "average": 14.32029979,
                "count": 674867,
                "maximum": 34.39916047,
                "minimum": 7.999160473,
                "name": "Z",
                "position": 2,
                "stddev": 4.008031293,
                "variance": 16.06431484
              },
              {
                "average": 20.49491974,
                "count": 674867,
                "maximum": 869,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 46.08801129,
                "variance": 2124.104784
              },
              {
                "average": 1.677128975,
                "count": 674867,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.006216742,
                "variance": 1.012472132
              },
              {
                "average": 2.354447617,
                "count": 674867,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.454828473,
                "variance": 2.116525885
              },
              {
                "average": 1,
                "count": 674867,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 674867,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.226773572,
                "count": 674867,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4187452432,
                "variance": 0.1753475787
              },
              {
                "average": 23.34738882,
                "count": 674867,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.858174537,
                "variance": 78.46725612
              },
              {
                "average": 90.35606571,
                "count": 674867,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.84709862,
                "variance": 4468.534594
              },
              {
                "average": 3.67009796,
                "count": 674867,
                "maximum": 4,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4701776383,
                "variance": 0.2210670116
              },
              {
                "average": 62774584.79,
                "count": 674867,
                "maximum": 62890741.88,
                "minimum": 62717421.48,
                "name": "GpsTime",
                "position": 12,
                "stddev": 81254.61564,
                "variance": 6602312564
              },
              {
                "average": 0,
                "count": 674867,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 674867,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 674867,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 674867,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 674867,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              581999.6299,
              2373998.453,
              7.999160473,
              582361.3299,
              2374483.173,
              34.39916047
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    581999.62985915,
                    2373998.4533701832,
                    7.999160473215829
                  ],
                  [
                    581999.62985915,
                    2374483.173370183,
                    7.999160473215829
                  ],
                  [
                    582361.32985915,
                    2374483.173370183,
                    34.39916047321583
                  ],
                  [
                    582361.32985915,
                    2373998.4533701832,
                    34.39916047321583
                  ],
                  [
                    581999.62985915,
                    2373998.4533701832,
                    7.999160473215829
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:25:41+00:00",
            "end_time": "2013-09-08T23:17:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8285.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.20795213697335,
              21.57425039434886,
              1.599796275854802
            ],
            [
              -158.20794791881113,
              21.57503094294955,
              1.599796275854802
            ],
            [
              -158.19828936309906,
              21.574984743181005,
              32.1197962758548
            ],
            [
              -158.19829365482605,
              21.57420419367951,
              32.1197962758548
            ],
            [
              -158.20795213697335,
              21.57425039434886,
              1.599796275854802
            ]
          ]
        ]
      },
      "bbox": [
        -158.2079521,
        21.57420419,
        1.599796276,
        -158.1982894,
        21.57503094,
        32.11979628
      ],
      "properties": {
        "datetime": "2013-09-11T20:42:47Z",
        "pc:count": 1252829,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 582403.4794,
            "count": 1252829,
            "maximum": 582999.5913,
            "minimum": 581999.5913,
            "name": "X",
            "position": 0,
            "stddev": 265.0377865,
            "variance": 70245.02828
          },
          {
            "average": 2385961.737,
            "count": 1252829,
            "maximum": 2385998.468,
            "minimum": 2385912.068,
            "name": "Y",
            "position": 1,
            "stddev": 18.51759961,
            "variance": 342.9014954
          },
          {
            "average": 15.56763958,
            "count": 1252829,
            "maximum": 32.11979628,
            "minimum": 1.599796276,
            "name": "Z",
            "position": 2,
            "stddev": 7.224948957,
            "variance": 52.19988744
          },
          {
            "average": 11.35288695,
            "count": 1252829,
            "maximum": 474,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.06136948,
            "variance": 443.5812843
          },
          {
            "average": 2.017481236,
            "count": 1252829,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.105657081,
            "variance": 1.222477581
          },
          {
            "average": 3.027339725,
            "count": 1252829,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.361285568,
            "variance": 1.853098398
          },
          {
            "average": 1,
            "count": 1252829,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1252829,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.110920165,
            "count": 1252829,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3140333758,
            "variance": 0.09861696109
          },
          {
            "average": 22.12700794,
            "count": 1252829,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.881678273,
            "variance": 8.304069667
          },
          {
            "average": 90.88681696,
            "count": 1252829,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.24853142,
            "variance": 4657.862042
          },
          {
            "average": 2.846295065,
            "count": 1252829,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.943533152,
            "variance": 3.777321113
          },
          {
            "average": 62915417,
            "count": 1252829,
            "maximum": 62967367.03,
            "minimum": 62866292.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 50465.50077,
            "variance": 2546766768
          },
          {
            "average": 0,
            "count": 1252829,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1252829,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1252829,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1252829,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1252829,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          581999.5913,
          2385912.068,
          1.599796276,
          582999.5913,
          2385998.468,
          32.11979628
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                581999.5912858258,
                2385912.068264677,
                1.599796275854802
              ],
              [
                581999.5912858258,
                2385998.4682646776,
                1.599796275854802
              ],
              [
                582999.5912858258,
                2385998.4682646776,
                32.1197962758548
              ],
              [
                582999.5912858258,
                2385912.068264677,
                32.1197962758548
              ],
              [
                581999.5912858258,
                2385912.068264677,
                1.599796275854802
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:42:47+00:00",
        "end_time": "2013-09-10T16:38:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8285.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8285.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8285.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8285.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2079521,
            21.57420419,
            1.599796276,
            -158.1982894,
            21.57503094,
            32.11979628
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.20795213697335,
                  21.57425039434886,
                  1.599796275854802
                ],
                [
                  -158.20794791881113,
                  21.57503094294955,
                  1.599796275854802
                ],
                [
                  -158.19828936309906,
                  21.574984743181005,
                  32.1197962758548
                ],
                [
                  -158.19829365482605,
                  21.57420419367951,
                  32.1197962758548
                ],
                [
                  -158.20795213697335,
                  21.57425039434886,
                  1.599796275854802
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8285.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8285.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:42:47Z",
            "pc:count": 1252829,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 582403.4794,
                "count": 1252829,
                "maximum": 582999.5913,
                "minimum": 581999.5913,
                "name": "X",
                "position": 0,
                "stddev": 265.0377865,
                "variance": 70245.02828
              },
              {
                "average": 2385961.737,
                "count": 1252829,
                "maximum": 2385998.468,
                "minimum": 2385912.068,
                "name": "Y",
                "position": 1,
                "stddev": 18.51759961,
                "variance": 342.9014954
              },
              {
                "average": 15.56763958,
                "count": 1252829,
                "maximum": 32.11979628,
                "minimum": 1.599796276,
                "name": "Z",
                "position": 2,
                "stddev": 7.224948957,
                "variance": 52.19988744
              },
              {
                "average": 11.35288695,
                "count": 1252829,
                "maximum": 474,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.06136948,
                "variance": 443.5812843
              },
              {
                "average": 2.017481236,
                "count": 1252829,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.105657081,
                "variance": 1.222477581
              },
              {
                "average": 3.027339725,
                "count": 1252829,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.361285568,
                "variance": 1.853098398
              },
              {
                "average": 1,
                "count": 1252829,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1252829,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.110920165,
                "count": 1252829,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3140333758,
                "variance": 0.09861696109
              },
              {
                "average": 22.12700794,
                "count": 1252829,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.881678273,
                "variance": 8.304069667
              },
              {
                "average": 90.88681696,
                "count": 1252829,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.24853142,
                "variance": 4657.862042
              },
              {
                "average": 2.846295065,
                "count": 1252829,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.943533152,
                "variance": 3.777321113
              },
              {
                "average": 62915417,
                "count": 1252829,
                "maximum": 62967367.03,
                "minimum": 62866292.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 50465.50077,
                "variance": 2546766768
              },
              {
                "average": 0,
                "count": 1252829,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1252829,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1252829,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1252829,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1252829,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              581999.5913,
              2385912.068,
              1.599796276,
              582999.5913,
              2385998.468,
              32.11979628
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    581999.5912858258,
                    2385912.068264677,
                    1.599796275854802
                  ],
                  [
                    581999.5912858258,
                    2385998.4682646776,
                    1.599796275854802
                  ],
                  [
                    582999.5912858258,
                    2385998.4682646776,
                    32.1197962758548
                  ],
                  [
                    582999.5912858258,
                    2385912.068264677,
                    32.1197962758548
                  ],
                  [
                    581999.5912858258,
                    2385912.068264677,
                    1.599796275854802
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:42:47+00:00",
            "end_time": "2013-09-10T16:38:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9186.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1210215560495,
              21.57459507023293,
              -0.594113422565771
            ],
            [
              -158.12096703351855,
              21.58362903666545,
              -0.594113422565771
            ],
            [
              -158.11130795072884,
              21.58357776882344,
              31.965886577434233
            ],
            [
              -158.1113630694558,
              21.574543826078827,
              31.965886577434233
            ],
            [
              -158.1210215560495,
              21.57459507023293,
              -0.594113422565771
            ]
          ]
        ]
      },
      "bbox": [
        -158.1210216,
        21.57454383,
        -0.5941134226,
        -158.111308,
        21.58362904,
        31.96588658
      ],
      "properties": {
        "datetime": "2013-09-22T23:59:23Z",
        "pc:count": 11885971,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591440.2189,
            "count": 11885971,
            "maximum": 591999.6459,
            "minimum": 590999.6259,
            "name": "X",
            "position": 0,
            "stddev": 257.089421,
            "variance": 66094.97041
          },
          {
            "average": 2386570.375,
            "count": 11885971,
            "maximum": 2386998.478,
            "minimum": 2385998.478,
            "name": "Y",
            "position": 1,
            "stddev": 223.233326,
            "variance": 49833.11786
          },
          {
            "average": 4.401024248,
            "count": 11885971,
            "maximum": 31.96588658,
            "minimum": -0.5941134226,
            "name": "Z",
            "position": 2,
            "stddev": 3.186677061,
            "variance": 10.15491069
          },
          {
            "average": 13.31281121,
            "count": 11885971,
            "maximum": 1065,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.29606651,
            "variance": 372.3381828
          },
          {
            "average": 1.495913123,
            "count": 11885971,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8787171418,
            "variance": 0.7721438153
          },
          {
            "average": 1.995451949,
            "count": 11885971,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.306427095,
            "variance": 1.706751754
          },
          {
            "average": 1,
            "count": 11885971,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11885971,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.101116266,
            "count": 11885971,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3017989186,
            "variance": 0.09108258724
          },
          {
            "average": 20.25006249,
            "count": 11885971,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.08845168,
            "variance": 9.538533781
          },
          {
            "average": 91.46332756,
            "count": 11885971,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.80754083,
            "variance": 4330.63243
          },
          {
            "average": 4.480189292,
            "count": 11885971,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.555056449,
            "variance": 6.52831346
          },
          {
            "average": 63083244.93,
            "count": 11885971,
            "maximum": 63929563.37,
            "minimum": 62866443.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 335209.8955,
            "variance": 112365674000.0
          },
          {
            "average": 0,
            "count": 11885971,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11885971,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11885971,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11885971,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11885971,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6259,
          2385998.478,
          -0.5941134226,
          591999.6459,
          2386998.478,
          31.96588658
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6259123795,
                2385998.4778825063,
                -0.594113422565771
              ],
              [
                590999.6259123795,
                2386998.4778825063,
                -0.594113422565771
              ],
              [
                591999.6459123795,
                2386998.4778825063,
                31.965886577434233
              ],
              [
                591999.6459123795,
                2385998.4778825063,
                31.965886577434233
              ],
              [
                590999.6259123795,
                2385998.4778825063,
                -0.594113422565771
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:59:23+00:00",
        "end_time": "2013-09-10T16:40:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9186.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9186.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9186.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9186.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1210216,
            21.57454383,
            -0.5941134226,
            -158.111308,
            21.58362904,
            31.96588658
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1210215560495,
                  21.57459507023293,
                  -0.594113422565771
                ],
                [
                  -158.12096703351855,
                  21.58362903666545,
                  -0.594113422565771
                ],
                [
                  -158.11130795072884,
                  21.58357776882344,
                  31.965886577434233
                ],
                [
                  -158.1113630694558,
                  21.574543826078827,
                  31.965886577434233
                ],
                [
                  -158.1210215560495,
                  21.57459507023293,
                  -0.594113422565771
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9186.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9186.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:59:23Z",
            "pc:count": 11885971,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591440.2189,
                "count": 11885971,
                "maximum": 591999.6459,
                "minimum": 590999.6259,
                "name": "X",
                "position": 0,
                "stddev": 257.089421,
                "variance": 66094.97041
              },
              {
                "average": 2386570.375,
                "count": 11885971,
                "maximum": 2386998.478,
                "minimum": 2385998.478,
                "name": "Y",
                "position": 1,
                "stddev": 223.233326,
                "variance": 49833.11786
              },
              {
                "average": 4.401024248,
                "count": 11885971,
                "maximum": 31.96588658,
                "minimum": -0.5941134226,
                "name": "Z",
                "position": 2,
                "stddev": 3.186677061,
                "variance": 10.15491069
              },
              {
                "average": 13.31281121,
                "count": 11885971,
                "maximum": 1065,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.29606651,
                "variance": 372.3381828
              },
              {
                "average": 1.495913123,
                "count": 11885971,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8787171418,
                "variance": 0.7721438153
              },
              {
                "average": 1.995451949,
                "count": 11885971,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.306427095,
                "variance": 1.706751754
              },
              {
                "average": 1,
                "count": 11885971,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11885971,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.101116266,
                "count": 11885971,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3017989186,
                "variance": 0.09108258724
              },
              {
                "average": 20.25006249,
                "count": 11885971,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.08845168,
                "variance": 9.538533781
              },
              {
                "average": 91.46332756,
                "count": 11885971,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.80754083,
                "variance": 4330.63243
              },
              {
                "average": 4.480189292,
                "count": 11885971,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.555056449,
                "variance": 6.52831346
              },
              {
                "average": 63083244.93,
                "count": 11885971,
                "maximum": 63929563.37,
                "minimum": 62866443.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 335209.8955,
                "variance": 112365674000.0
              },
              {
                "average": 0,
                "count": 11885971,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11885971,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11885971,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11885971,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11885971,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6259,
              2385998.478,
              -0.5941134226,
              591999.6459,
              2386998.478,
              31.96588658
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6259123795,
                    2385998.4778825063,
                    -0.594113422565771
                  ],
                  [
                    590999.6259123795,
                    2386998.4778825063,
                    -0.594113422565771
                  ],
                  [
                    591999.6459123795,
                    2386998.4778825063,
                    31.965886577434233
                  ],
                  [
                    591999.6459123795,
                    2385998.4778825063,
                    31.965886577434233
                  ],
                  [
                    590999.6259123795,
                    2385998.4778825063,
                    -0.594113422565771
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:59:23+00:00",
            "end_time": "2013-09-10T16:40:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8286.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.20794788231706,
              21.57503090176661,
              -8.071116495052593
            ],
            [
              -158.20789879310522,
              21.58406505543172,
              -8.071116495052593
            ],
            [
              -158.19823965558822,
              21.584018832964475,
              43.56888350494741
            ],
            [
              -158.1982893266078,
              21.57498470199603,
              43.56888350494741
            ],
            [
              -158.20794788231706,
              21.57503090176661,
              -8.071116495052593
            ]
          ]
        ]
      },
      "bbox": [
        -158.2079479,
        21.5749847,
        -8.071116495,
        -158.1982397,
        21.58406506,
        43.5688835
      ],
      "properties": {
        "datetime": "2013-11-04T20:22:15Z",
        "pc:count": 8795116,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 582513.3522,
            "count": 8795116,
            "maximum": 582999.5951,
            "minimum": 581999.5951,
            "name": "X",
            "position": 0,
            "stddev": 298.6960945,
            "variance": 89219.35688
          },
          {
            "average": 2386392.211,
            "count": 8795116,
            "maximum": 2386998.464,
            "minimum": 2385998.464,
            "name": "Y",
            "position": 1,
            "stddev": 276.1953358,
            "variance": 76283.8635
          },
          {
            "average": 6.99018008,
            "count": 8795116,
            "maximum": 43.5688835,
            "minimum": -8.071116495,
            "name": "Z",
            "position": 2,
            "stddev": 5.229059039,
            "variance": 27.34305843
          },
          {
            "average": 13.67682985,
            "count": 8795116,
            "maximum": 8301,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.56409354,
            "variance": 653.5228786
          },
          {
            "average": 1.675527645,
            "count": 8795116,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.012108392,
            "variance": 1.024363397
          },
          {
            "average": 2.350429147,
            "count": 8795116,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.459760606,
            "variance": 2.130901027
          },
          {
            "average": 1,
            "count": 8795116,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8795116,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.969712509,
            "count": 8795116,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.340778853,
            "variance": 69.56859188
          },
          {
            "average": 17.75997276,
            "count": 8795116,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.047296802,
            "variance": 49.66439221
          },
          {
            "average": 90.94976314,
            "count": 8795116,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.26203863,
            "variance": 4524.181841
          },
          {
            "average": 3.239267566,
            "count": 8795116,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.692340277,
            "variance": 2.864015614
          },
          {
            "average": 62933205.26,
            "count": 8795116,
            "maximum": 67631735.34,
            "minimum": 62866290.67,
            "name": "GpsTime",
            "position": 12,
            "stddev": 480642.5267,
            "variance": 231017238400.0
          },
          {
            "average": 0,
            "count": 8795116,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8795116,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8795116,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8795116,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8795116,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          581999.5951,
          2385998.464,
          -8.071116495,
          582999.5951,
          2386998.464,
          43.5688835
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                581999.5950873109,
                2385998.4637254206,
                -8.071116495052593
              ],
              [
                581999.5950873109,
                2386998.4637254206,
                -8.071116495052593
              ],
              [
                582999.5950873109,
                2386998.4637254206,
                43.56888350494741
              ],
              [
                582999.5950873109,
                2385998.4637254206,
                43.56888350494741
              ],
              [
                581999.5950873109,
                2385998.4637254206,
                -8.071116495052593
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:22:15+00:00",
        "end_time": "2013-09-10T16:38:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8286.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8286.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8286.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8286.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2079479,
            21.5749847,
            -8.071116495,
            -158.1982397,
            21.58406506,
            43.5688835
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.20794788231706,
                  21.57503090176661,
                  -8.071116495052593
                ],
                [
                  -158.20789879310522,
                  21.58406505543172,
                  -8.071116495052593
                ],
                [
                  -158.19823965558822,
                  21.584018832964475,
                  43.56888350494741
                ],
                [
                  -158.1982893266078,
                  21.57498470199603,
                  43.56888350494741
                ],
                [
                  -158.20794788231706,
                  21.57503090176661,
                  -8.071116495052593
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8286.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8286.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:22:15Z",
            "pc:count": 8795116,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 582513.3522,
                "count": 8795116,
                "maximum": 582999.5951,
                "minimum": 581999.5951,
                "name": "X",
                "position": 0,
                "stddev": 298.6960945,
                "variance": 89219.35688
              },
              {
                "average": 2386392.211,
                "count": 8795116,
                "maximum": 2386998.464,
                "minimum": 2385998.464,
                "name": "Y",
                "position": 1,
                "stddev": 276.1953358,
                "variance": 76283.8635
              },
              {
                "average": 6.99018008,
                "count": 8795116,
                "maximum": 43.5688835,
                "minimum": -8.071116495,
                "name": "Z",
                "position": 2,
                "stddev": 5.229059039,
                "variance": 27.34305843
              },
              {
                "average": 13.67682985,
                "count": 8795116,
                "maximum": 8301,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.56409354,
                "variance": 653.5228786
              },
              {
                "average": 1.675527645,
                "count": 8795116,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.012108392,
                "variance": 1.024363397
              },
              {
                "average": 2.350429147,
                "count": 8795116,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.459760606,
                "variance": 2.130901027
              },
              {
                "average": 1,
                "count": 8795116,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8795116,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.969712509,
                "count": 8795116,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.340778853,
                "variance": 69.56859188
              },
              {
                "average": 17.75997276,
                "count": 8795116,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.047296802,
                "variance": 49.66439221
              },
              {
                "average": 90.94976314,
                "count": 8795116,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.26203863,
                "variance": 4524.181841
              },
              {
                "average": 3.239267566,
                "count": 8795116,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.692340277,
                "variance": 2.864015614
              },
              {
                "average": 62933205.26,
                "count": 8795116,
                "maximum": 67631735.34,
                "minimum": 62866290.67,
                "name": "GpsTime",
                "position": 12,
                "stddev": 480642.5267,
                "variance": 231017238400.0
              },
              {
                "average": 0,
                "count": 8795116,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8795116,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8795116,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8795116,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8795116,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              581999.5951,
              2385998.464,
              -8.071116495,
              582999.5951,
              2386998.464,
              43.5688835
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    581999.5950873109,
                    2385998.4637254206,
                    -8.071116495052593
                  ],
                  [
                    581999.5950873109,
                    2386998.4637254206,
                    -8.071116495052593
                  ],
                  [
                    582999.5950873109,
                    2386998.4637254206,
                    43.56888350494741
                  ],
                  [
                    582999.5950873109,
                    2385998.4637254206,
                    43.56888350494741
                  ],
                  [
                    581999.5950873109,
                    2385998.4637254206,
                    -8.071116495052593
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:22:15+00:00",
            "end_time": "2013-09-10T16:38:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8766.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.16069112725975,
              21.3941111632359,
              -0.004353350968472
            ],
            [
              -158.16063956302273,
              21.403145418566808,
              -0.004353350968472
            ],
            [
              -158.15099251526252,
              21.403096825297805,
              193.09564664903152
            ],
            [
              -158.15104467036974,
              21.394062592779793,
              193.09564664903152
            ],
            [
              -158.16069112725975,
              21.3941111632359,
              -0.004353350968472
            ]
          ]
        ]
      },
      "bbox": [
        -158.1606911,
        21.39406259,
        -0.004353350968,
        -158.1509925,
        21.40314542,
        193.0956466
      ],
      "properties": {
        "datetime": "2013-09-10T23:40:37Z",
        "pc:count": 10049148,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 587402.086,
            "count": 10049148,
            "maximum": 587999.6528,
            "minimum": 586999.6528,
            "name": "X",
            "position": 0,
            "stddev": 255.0663394,
            "variance": 65058.83749
          },
          {
            "average": 2366431.309,
            "count": 10049148,
            "maximum": 2366998.464,
            "minimum": 2365998.464,
            "name": "Y",
            "position": 1,
            "stddev": 261.9959778,
            "variance": 68641.89239
          },
          {
            "average": 26.35263068,
            "count": 10049148,
            "maximum": 193.0956466,
            "minimum": -0.004353350968,
            "name": "Z",
            "position": 2,
            "stddev": 30.99307778,
            "variance": 960.5708703
          },
          {
            "average": 27.30393542,
            "count": 10049148,
            "maximum": 877,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 55.79976701,
            "variance": 3113.613998
          },
          {
            "average": 1.558788267,
            "count": 10049148,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9585529254,
            "variance": 0.9188237109
          },
          {
            "average": 2.118532138,
            "count": 10049148,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.441441792,
            "variance": 2.07775444
          },
          {
            "average": 1,
            "count": 10049148,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10049148,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.151666291,
            "count": 10049148,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3651409538,
            "variance": 0.1333279161
          },
          {
            "average": 20.11700059,
            "count": 10049148,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.859022187,
            "variance": 8.174007865
          },
          {
            "average": 90.78617381,
            "count": 10049148,
            "maximum": 211,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.99093396,
            "variance": 4354.803364
          },
          {
            "average": 2.211565199,
            "count": 10049148,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.137151229,
            "variance": 1.293112919
          },
          {
            "average": 62797844.51,
            "count": 10049148,
            "maximum": 62891637.86,
            "minimum": 62715584.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86463.16532,
            "variance": 7475878957
          },
          {
            "average": 0,
            "count": 10049148,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10049148,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10049148,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10049148,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10049148,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          586999.6528,
          2365998.464,
          -0.004353350968,
          587999.6528,
          2366998.464,
          193.0956466
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                586999.6528493972,
                2365998.4636590704,
                -0.004353350968472
              ],
              [
                586999.6528493972,
                2366998.4636590704,
                -0.004353350968472
              ],
              [
                587999.6528493972,
                2366998.4636590704,
                193.09564664903152
              ],
              [
                587999.6528493972,
                2365998.4636590704,
                193.09564664903152
              ],
              [
                586999.6528493972,
                2365998.4636590704,
                -0.004353350968472
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:40:37+00:00",
        "end_time": "2013-09-08T22:46:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8766.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8766.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8766.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8766.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1606911,
            21.39406259,
            -0.004353350968,
            -158.1509925,
            21.40314542,
            193.0956466
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.16069112725975,
                  21.3941111632359,
                  -0.004353350968472
                ],
                [
                  -158.16063956302273,
                  21.403145418566808,
                  -0.004353350968472
                ],
                [
                  -158.15099251526252,
                  21.403096825297805,
                  193.09564664903152
                ],
                [
                  -158.15104467036974,
                  21.394062592779793,
                  193.09564664903152
                ],
                [
                  -158.16069112725975,
                  21.3941111632359,
                  -0.004353350968472
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8766.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8766.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:40:37Z",
            "pc:count": 10049148,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 587402.086,
                "count": 10049148,
                "maximum": 587999.6528,
                "minimum": 586999.6528,
                "name": "X",
                "position": 0,
                "stddev": 255.0663394,
                "variance": 65058.83749
              },
              {
                "average": 2366431.309,
                "count": 10049148,
                "maximum": 2366998.464,
                "minimum": 2365998.464,
                "name": "Y",
                "position": 1,
                "stddev": 261.9959778,
                "variance": 68641.89239
              },
              {
                "average": 26.35263068,
                "count": 10049148,
                "maximum": 193.0956466,
                "minimum": -0.004353350968,
                "name": "Z",
                "position": 2,
                "stddev": 30.99307778,
                "variance": 960.5708703
              },
              {
                "average": 27.30393542,
                "count": 10049148,
                "maximum": 877,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 55.79976701,
                "variance": 3113.613998
              },
              {
                "average": 1.558788267,
                "count": 10049148,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9585529254,
                "variance": 0.9188237109
              },
              {
                "average": 2.118532138,
                "count": 10049148,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.441441792,
                "variance": 2.07775444
              },
              {
                "average": 1,
                "count": 10049148,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10049148,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.151666291,
                "count": 10049148,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3651409538,
                "variance": 0.1333279161
              },
              {
                "average": 20.11700059,
                "count": 10049148,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.859022187,
                "variance": 8.174007865
              },
              {
                "average": 90.78617381,
                "count": 10049148,
                "maximum": 211,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.99093396,
                "variance": 4354.803364
              },
              {
                "average": 2.211565199,
                "count": 10049148,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.137151229,
                "variance": 1.293112919
              },
              {
                "average": 62797844.51,
                "count": 10049148,
                "maximum": 62891637.86,
                "minimum": 62715584.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86463.16532,
                "variance": 7475878957
              },
              {
                "average": 0,
                "count": 10049148,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10049148,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10049148,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10049148,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10049148,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              586999.6528,
              2365998.464,
              -0.004353350968,
              587999.6528,
              2366998.464,
              193.0956466
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    586999.6528493972,
                    2365998.4636590704,
                    -0.004353350968472
                  ],
                  [
                    586999.6528493972,
                    2366998.4636590704,
                    -0.004353350968472
                  ],
                  [
                    587999.6528493972,
                    2366998.4636590704,
                    193.09564664903152
                  ],
                  [
                    587999.6528493972,
                    2365998.4636590704,
                    193.09564664903152
                  ],
                  [
                    586999.6528493972,
                    2365998.4636590704,
                    -0.004353350968472
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:40:37+00:00",
            "end_time": "2013-09-08T22:46:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8287.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.20789898065857,
              21.584065043939493,
              -25.2775500464029
            ],
            [
              -158.20784985936038,
              21.593099188906404,
              -25.2775500464029
            ],
            [
              -158.19818992832163,
              21.593052944636383,
              0.342449953597102
            ],
            [
              -158.19823964995953,
              21.584018820553098,
              0.342449953597102
            ],
            [
              -158.20789898065857,
              21.584065043939493,
              -25.2775500464029
            ]
          ]
        ]
      },
      "bbox": [
        -158.207899,
        21.58401882,
        -25.27755005,
        -158.1981899,
        21.59309919,
        0.3424499536
      ],
      "properties": {
        "datetime": "2013-09-10T17:56:59Z",
        "pc:count": 2850520,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 582497.5785,
            "count": 2850520,
            "maximum": 582999.5957,
            "minimum": 581999.5757,
            "name": "X",
            "position": 0,
            "stddev": 288.2957199,
            "variance": 83114.42209
          },
          {
            "average": 2387389.782,
            "count": 2850520,
            "maximum": 2387998.462,
            "minimum": 2386998.462,
            "name": "Y",
            "position": 1,
            "stddev": 241.9803911,
            "variance": 58554.5097
          },
          {
            "average": -7.733528924,
            "count": 2850520,
            "maximum": 0.3424499536,
            "minimum": -25.27755005,
            "name": "Z",
            "position": 2,
            "stddev": 3.90247209,
            "variance": 15.22928842
          },
          {
            "average": 22.23394433,
            "count": 2850520,
            "maximum": 1005,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 76.16003471,
            "variance": 5800.350887
          },
          {
            "average": 1.032323225,
            "count": 2850520,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1800964352,
            "variance": 0.03243472598
          },
          {
            "average": 1.056620897,
            "count": 2850520,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2371092466,
            "variance": 0.05622079481
          },
          {
            "average": 1,
            "count": 2850520,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2850520,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2850520,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.01435674,
            "count": 2850520,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.418488611,
            "variance": 41.19699605
          },
          {
            "average": 99.95365618,
            "count": 2850520,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.59980133,
            "variance": 6021.729167
          },
          {
            "average": 7.685974138,
            "count": 2850520,
            "maximum": 10,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.29990443,
            "variance": 1.689751527
          },
          {
            "average": 62869858.53,
            "count": 2850520,
            "maximum": 62871019.55,
            "minimum": 62868307.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 670.4225671,
            "variance": 449466.4185
          },
          {
            "average": 0,
            "count": 2850520,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2850520,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2850520,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2850520,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2850520,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          581999.5757,
          2386998.462,
          -25.27755005,
          582999.5957,
          2387998.462,
          0.3424499536
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                581999.5756771012,
                2386998.4623546237,
                -25.2775500464029
              ],
              [
                581999.5756771012,
                2387998.4623546237,
                -25.2775500464029
              ],
              [
                582999.5956771012,
                2387998.4623546237,
                0.342449953597102
              ],
              [
                582999.5956771012,
                2386998.4623546237,
                0.342449953597102
              ],
              [
                581999.5756771012,
                2386998.4623546237,
                -25.2775500464029
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:56:59+00:00",
        "end_time": "2013-09-10T17:11:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8287.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8287.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8287.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8287.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.207899,
            21.58401882,
            -25.27755005,
            -158.1981899,
            21.59309919,
            0.3424499536
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.20789898065857,
                  21.584065043939493,
                  -25.2775500464029
                ],
                [
                  -158.20784985936038,
                  21.593099188906404,
                  -25.2775500464029
                ],
                [
                  -158.19818992832163,
                  21.593052944636383,
                  0.342449953597102
                ],
                [
                  -158.19823964995953,
                  21.584018820553098,
                  0.342449953597102
                ],
                [
                  -158.20789898065857,
                  21.584065043939493,
                  -25.2775500464029
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8287.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8287.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:56:59Z",
            "pc:count": 2850520,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 582497.5785,
                "count": 2850520,
                "maximum": 582999.5957,
                "minimum": 581999.5757,
                "name": "X",
                "position": 0,
                "stddev": 288.2957199,
                "variance": 83114.42209
              },
              {
                "average": 2387389.782,
                "count": 2850520,
                "maximum": 2387998.462,
                "minimum": 2386998.462,
                "name": "Y",
                "position": 1,
                "stddev": 241.9803911,
                "variance": 58554.5097
              },
              {
                "average": -7.733528924,
                "count": 2850520,
                "maximum": 0.3424499536,
                "minimum": -25.27755005,
                "name": "Z",
                "position": 2,
                "stddev": 3.90247209,
                "variance": 15.22928842
              },
              {
                "average": 22.23394433,
                "count": 2850520,
                "maximum": 1005,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 76.16003471,
                "variance": 5800.350887
              },
              {
                "average": 1.032323225,
                "count": 2850520,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1800964352,
                "variance": 0.03243472598
              },
              {
                "average": 1.056620897,
                "count": 2850520,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2371092466,
                "variance": 0.05622079481
              },
              {
                "average": 1,
                "count": 2850520,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2850520,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2850520,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.01435674,
                "count": 2850520,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.418488611,
                "variance": 41.19699605
              },
              {
                "average": 99.95365618,
                "count": 2850520,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.59980133,
                "variance": 6021.729167
              },
              {
                "average": 7.685974138,
                "count": 2850520,
                "maximum": 10,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.29990443,
                "variance": 1.689751527
              },
              {
                "average": 62869858.53,
                "count": 2850520,
                "maximum": 62871019.55,
                "minimum": 62868307.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 670.4225671,
                "variance": 449466.4185
              },
              {
                "average": 0,
                "count": 2850520,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2850520,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2850520,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2850520,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2850520,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              581999.5757,
              2386998.462,
              -25.27755005,
              582999.5957,
              2387998.462,
              0.3424499536
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    581999.5756771012,
                    2386998.4623546237,
                    -25.2775500464029
                  ],
                  [
                    581999.5756771012,
                    2387998.4623546237,
                    -25.2775500464029
                  ],
                  [
                    582999.5956771012,
                    2387998.4623546237,
                    0.342449953597102
                  ],
                  [
                    582999.5956771012,
                    2386998.4623546237,
                    0.342449953597102
                  ],
                  [
                    581999.5756771012,
                    2386998.4623546237,
                    -25.2775500464029
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:56:59+00:00",
            "end_time": "2013-09-10T17:11:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9187.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.120967022601,
              21.583629001357444,
              -14.5441100470516
            ],
            [
              -158.12091249004135,
              21.59266295237968,
              -14.5441100470516
            ],
            [
              -158.11125280821375,
              21.592611661276166,
              35.9358899529484
            ],
            [
              -158.11130793981366,
              21.583577733514883,
              35.9358899529484
            ],
            [
              -158.120967022601,
              21.583629001357444,
              -14.5441100470516
            ]
          ]
        ]
      },
      "bbox": [
        -158.120967,
        21.58357773,
        -14.54411005,
        -158.1112528,
        21.59266295,
        35.93588995
      ],
      "properties": {
        "datetime": "2013-09-22T23:59:18Z",
        "pc:count": 11381942,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591594.4726,
            "count": 11381942,
            "maximum": 591999.6471,
            "minimum": 590999.6271,
            "name": "X",
            "position": 0,
            "stddev": 245.6025606,
            "variance": 60320.61778
          },
          {
            "average": 2387443.8,
            "count": 11381942,
            "maximum": 2387998.474,
            "minimum": 2386998.474,
            "name": "Y",
            "position": 1,
            "stddev": 238.9559642,
            "variance": 57099.95284
          },
          {
            "average": 4.757397902,
            "count": 11381942,
            "maximum": 35.93588995,
            "minimum": -14.54411005,
            "name": "Z",
            "position": 2,
            "stddev": 6.017092745,
            "variance": 36.2054051
          },
          {
            "average": 15.68136615,
            "count": 11381942,
            "maximum": 1958,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.62417353,
            "variance": 763.0949631
          },
          {
            "average": 1.38766627,
            "count": 11381942,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8363186497,
            "variance": 0.6994288838
          },
          {
            "average": 1.771839726,
            "count": 11381942,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.299624577,
            "variance": 1.689024042
          },
          {
            "average": 1,
            "count": 11381942,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11381942,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.169074838,
            "count": 11381942,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.50153285,
            "variance": 132.2852579
          },
          {
            "average": 19.31159982,
            "count": 11381942,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.233651165,
            "variance": 27.39110452
          },
          {
            "average": 90.79304015,
            "count": 11381942,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.34619111,
            "variance": 4535.509457
          },
          {
            "average": 5.257010535,
            "count": 11381942,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.422751532,
            "variance": 5.869724986
          },
          {
            "average": 63094986.74,
            "count": 11381942,
            "maximum": 63929558.08,
            "minimum": 62867708.77,
            "name": "GpsTime",
            "position": 12,
            "stddev": 362595.0168,
            "variance": 131475146200.0
          },
          {
            "average": 0,
            "count": 11381942,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11381942,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11381942,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11381942,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11381942,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6271,
          2386998.474,
          -14.54411005,
          591999.6471,
          2387998.474,
          35.93588995
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6270647128,
                2386998.473980645,
                -14.5441100470516
              ],
              [
                590999.6270647128,
                2387998.473980645,
                -14.5441100470516
              ],
              [
                591999.6470647128,
                2387998.473980645,
                35.9358899529484
              ],
              [
                591999.6470647128,
                2386998.473980645,
                35.9358899529484
              ],
              [
                590999.6270647128,
                2386998.473980645,
                -14.5441100470516
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:59:18+00:00",
        "end_time": "2013-09-10T17:01:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9187.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9187.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9187.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9187.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.120967,
            21.58357773,
            -14.54411005,
            -158.1112528,
            21.59266295,
            35.93588995
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.120967022601,
                  21.583629001357444,
                  -14.5441100470516
                ],
                [
                  -158.12091249004135,
                  21.59266295237968,
                  -14.5441100470516
                ],
                [
                  -158.11125280821375,
                  21.592611661276166,
                  35.9358899529484
                ],
                [
                  -158.11130793981366,
                  21.583577733514883,
                  35.9358899529484
                ],
                [
                  -158.120967022601,
                  21.583629001357444,
                  -14.5441100470516
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9187.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9187.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:59:18Z",
            "pc:count": 11381942,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591594.4726,
                "count": 11381942,
                "maximum": 591999.6471,
                "minimum": 590999.6271,
                "name": "X",
                "position": 0,
                "stddev": 245.6025606,
                "variance": 60320.61778
              },
              {
                "average": 2387443.8,
                "count": 11381942,
                "maximum": 2387998.474,
                "minimum": 2386998.474,
                "name": "Y",
                "position": 1,
                "stddev": 238.9559642,
                "variance": 57099.95284
              },
              {
                "average": 4.757397902,
                "count": 11381942,
                "maximum": 35.93588995,
                "minimum": -14.54411005,
                "name": "Z",
                "position": 2,
                "stddev": 6.017092745,
                "variance": 36.2054051
              },
              {
                "average": 15.68136615,
                "count": 11381942,
                "maximum": 1958,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.62417353,
                "variance": 763.0949631
              },
              {
                "average": 1.38766627,
                "count": 11381942,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8363186497,
                "variance": 0.6994288838
              },
              {
                "average": 1.771839726,
                "count": 11381942,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.299624577,
                "variance": 1.689024042
              },
              {
                "average": 1,
                "count": 11381942,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11381942,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.169074838,
                "count": 11381942,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.50153285,
                "variance": 132.2852579
              },
              {
                "average": 19.31159982,
                "count": 11381942,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.233651165,
                "variance": 27.39110452
              },
              {
                "average": 90.79304015,
                "count": 11381942,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.34619111,
                "variance": 4535.509457
              },
              {
                "average": 5.257010535,
                "count": 11381942,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.422751532,
                "variance": 5.869724986
              },
              {
                "average": 63094986.74,
                "count": 11381942,
                "maximum": 63929558.08,
                "minimum": 62867708.77,
                "name": "GpsTime",
                "position": 12,
                "stddev": 362595.0168,
                "variance": 131475146200.0
              },
              {
                "average": 0,
                "count": 11381942,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11381942,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11381942,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11381942,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11381942,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6271,
              2386998.474,
              -14.54411005,
              591999.6471,
              2387998.474,
              35.93588995
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6270647128,
                    2386998.473980645,
                    -14.5441100470516
                  ],
                  [
                    590999.6270647128,
                    2387998.473980645,
                    -14.5441100470516
                  ],
                  [
                    591999.6470647128,
                    2387998.473980645,
                    35.9358899529484
                  ],
                  [
                    591999.6470647128,
                    2386998.473980645,
                    35.9358899529484
                  ],
                  [
                    590999.6270647128,
                    2386998.473980645,
                    -14.5441100470516
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:59:18+00:00",
            "end_time": "2013-09-10T17:01:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8288.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.2019476502549,
              21.59307106251944,
              -24.894618066785085
            ],
            [
              -158.20194734629985,
              21.593126532064094,
              -24.894618066785085
            ],
            [
              -158.19819125416817,
              21.59310848439958,
              -22.714618066785086
            ],
            [
              -158.19819155955662,
              21.593053014905013,
              -22.714618066785086
            ],
            [
              -158.2019476502549,
              21.59307106251944,
              -24.894618066785085
            ]
          ]
        ]
      },
      "bbox": [
        -158.2019477,
        21.59305301,
        -24.89461807,
        -158.1981913,
        21.59312653,
        -22.71461807
      ],
      "properties": {
        "datetime": "2013-09-10T17:56:48Z",
        "pc:count": 3213,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 582836.3348,
            "count": 3213,
            "maximum": 582999.4268,
            "minimum": 582610.5868,
            "name": "X",
            "position": 0,
            "stddev": 100.053513,
            "variance": 10010.70546
          },
          {
            "average": 2388000.82,
            "count": 3213,
            "maximum": 2388004.609,
            "minimum": 2387998.469,
            "name": "Y",
            "position": 1,
            "stddev": 1.576452025,
            "variance": 2.485200987
          },
          {
            "average": -24.10328287,
            "count": 3213,
            "maximum": -22.71461807,
            "minimum": -24.89461807,
            "name": "Z",
            "position": 2,
            "stddev": 0.417686943,
            "variance": 0.1744623823
          },
          {
            "average": 518.5633364,
            "count": 3213,
            "maximum": 901,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 159.7802959,
            "variance": 25529.74295
          },
          {
            "average": 1,
            "count": 3213,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 3213,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 3213,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3213,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3213,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.076560223,
            "count": 3213,
            "maximum": 22.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.62931234,
            "variance": 21.43053274
          },
          {
            "average": 248.7671958,
            "count": 3213,
            "maximum": 250,
            "minimum": 94,
            "name": "UserData",
            "position": 10,
            "stddev": 6.494510145,
            "variance": 42.17866203
          },
          {
            "average": 10,
            "count": 3213,
            "maximum": 10,
            "minimum": 10,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62871005.08,
            "count": 3213,
            "maximum": 62871008.39,
            "minimum": 62871002.16,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.484895772,
            "variance": 2.204915455
          },
          {
            "average": 0,
            "count": 3213,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3213,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3213,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3213,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3213,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582610.5868,
          2387998.469,
          -24.89461807,
          582999.4268,
          2388004.609,
          -22.71461807
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582610.5867719129,
                2387998.469262958,
                -24.894618066785085
              ],
              [
                582610.5867719129,
                2388004.6092629577,
                -24.894618066785085
              ],
              [
                582999.426771913,
                2388004.6092629577,
                -22.714618066785086
              ],
              [
                582999.426771913,
                2387998.469262958,
                -22.714618066785086
              ],
              [
                582610.5867719129,
                2387998.469262958,
                -24.894618066785085
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:56:48+00:00",
        "end_time": "2013-09-10T17:56:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8288.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8288.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8288.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8288.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.2019477,
            21.59305301,
            -24.89461807,
            -158.1981913,
            21.59312653,
            -22.71461807
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.2019476502549,
                  21.59307106251944,
                  -24.894618066785085
                ],
                [
                  -158.20194734629985,
                  21.593126532064094,
                  -24.894618066785085
                ],
                [
                  -158.19819125416817,
                  21.59310848439958,
                  -22.714618066785086
                ],
                [
                  -158.19819155955662,
                  21.593053014905013,
                  -22.714618066785086
                ],
                [
                  -158.2019476502549,
                  21.59307106251944,
                  -24.894618066785085
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8288.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8288.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:56:48Z",
            "pc:count": 3213,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 582836.3348,
                "count": 3213,
                "maximum": 582999.4268,
                "minimum": 582610.5868,
                "name": "X",
                "position": 0,
                "stddev": 100.053513,
                "variance": 10010.70546
              },
              {
                "average": 2388000.82,
                "count": 3213,
                "maximum": 2388004.609,
                "minimum": 2387998.469,
                "name": "Y",
                "position": 1,
                "stddev": 1.576452025,
                "variance": 2.485200987
              },
              {
                "average": -24.10328287,
                "count": 3213,
                "maximum": -22.71461807,
                "minimum": -24.89461807,
                "name": "Z",
                "position": 2,
                "stddev": 0.417686943,
                "variance": 0.1744623823
              },
              {
                "average": 518.5633364,
                "count": 3213,
                "maximum": 901,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 159.7802959,
                "variance": 25529.74295
              },
              {
                "average": 1,
                "count": 3213,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 3213,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 3213,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3213,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3213,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.076560223,
                "count": 3213,
                "maximum": 22.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.62931234,
                "variance": 21.43053274
              },
              {
                "average": 248.7671958,
                "count": 3213,
                "maximum": 250,
                "minimum": 94,
                "name": "UserData",
                "position": 10,
                "stddev": 6.494510145,
                "variance": 42.17866203
              },
              {
                "average": 10,
                "count": 3213,
                "maximum": 10,
                "minimum": 10,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62871005.08,
                "count": 3213,
                "maximum": 62871008.39,
                "minimum": 62871002.16,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.484895772,
                "variance": 2.204915455
              },
              {
                "average": 0,
                "count": 3213,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3213,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3213,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3213,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3213,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582610.5868,
              2387998.469,
              -24.89461807,
              582999.4268,
              2388004.609,
              -22.71461807
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582610.5867719129,
                    2387998.469262958,
                    -24.894618066785085
                  ],
                  [
                    582610.5867719129,
                    2388004.6092629577,
                    -24.894618066785085
                  ],
                  [
                    582999.426771913,
                    2388004.6092629577,
                    -22.714618066785086
                  ],
                  [
                    582999.426771913,
                    2387998.469262958,
                    -22.714618066785086
                  ],
                  [
                    582610.5867719129,
                    2387998.469262958,
                    -24.894618066785085
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:56:48+00:00",
            "end_time": "2013-09-10T17:56:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qej9551.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.08433265473272,
              21.26273674992159,
              -56.00292352902645
            ],
            [
              -158.08430486887,
              21.267229282489385,
              -56.00292352902645
            ],
            [
              -158.07466709616267,
              21.267176613411383,
              -31.10292352902644
            ],
            [
              -158.07469517213903,
              21.26268409559484,
              -31.10292352902644
            ],
            [
              -158.08433265473272,
              21.26273674992159,
              -56.00292352902645
            ]
          ]
        ]
      },
      "bbox": [
        -158.0843327,
        21.2626841,
        -56.00292353,
        -158.0746671,
        21.26722928,
        -31.10292353
      ],
      "properties": {
        "datetime": "2013-09-18T21:18:38Z",
        "pc:count": 119806,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 595539.6104,
            "count": 119806,
            "maximum": 595999.6706,
            "minimum": 594999.6906,
            "name": "X",
            "position": 0,
            "stddev": 258.0379412,
            "variance": 66583.57908
          },
          {
            "average": 2351873.535,
            "count": 119806,
            "maximum": 2351998.458,
            "minimum": 2351501.178,
            "name": "Y",
            "position": 1,
            "stddev": 80.70040849,
            "variance": 6512.555931
          },
          {
            "average": -36.37623396,
            "count": 119806,
            "maximum": -31.10292353,
            "minimum": -56.00292353,
            "name": "Z",
            "position": 2,
            "stddev": 3.318526208,
            "variance": 11.0126162
          },
          {
            "average": 901.7668731,
            "count": 119806,
            "maximum": 4142,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 456.9457242,
            "variance": 208799.3949
          },
          {
            "average": 1.00292139,
            "count": 119806,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0539710976,
            "variance": 0.002912879376
          },
          {
            "average": 1.002963124,
            "count": 119806,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0543541008,
            "variance": 0.002954368274
          },
          {
            "average": 1,
            "count": 119806,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 119806,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 119806,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.11067549,
            "count": 119806,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.08238684,
            "variance": 82.48975072
          },
          {
            "average": 249.0332371,
            "count": 119806,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1811548447,
            "variance": 0.03281707776
          },
          {
            "average": 2.140310168,
            "count": 119806,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9867338657,
            "variance": 0.9736437217
          },
          {
            "average": 63572298.4,
            "count": 119806,
            "maximum": 63574318.96,
            "minimum": 63571692.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 673.2893823,
            "variance": 453318.5923
          },
          {
            "average": 0,
            "count": 119806,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 119806,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 119806,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 119806,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 119806,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594999.6906,
          2351501.178,
          -56.00292353,
          595999.6706,
          2351998.458,
          -31.10292353
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594999.6906021072,
                2351501.177929655,
                -56.00292352902645
              ],
              [
                594999.6906021072,
                2351998.4579296554,
                -56.00292352902645
              ],
              [
                595999.6706021072,
                2351998.4579296554,
                -31.10292352902644
              ],
              [
                595999.6706021072,
                2351501.177929655,
                -31.10292352902644
              ],
              [
                594999.6906021072,
                2351501.177929655,
                -56.00292352902645
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:18:38+00:00",
        "end_time": "2013-09-18T20:34:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qej9551.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qej9551.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qej9551.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qej9551.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0843327,
            21.2626841,
            -56.00292353,
            -158.0746671,
            21.26722928,
            -31.10292353
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.08433265473272,
                  21.26273674992159,
                  -56.00292352902645
                ],
                [
                  -158.08430486887,
                  21.267229282489385,
                  -56.00292352902645
                ],
                [
                  -158.07466709616267,
                  21.267176613411383,
                  -31.10292352902644
                ],
                [
                  -158.07469517213903,
                  21.26268409559484,
                  -31.10292352902644
                ],
                [
                  -158.08433265473272,
                  21.26273674992159,
                  -56.00292352902645
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qej9551.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qej9551.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:18:38Z",
            "pc:count": 119806,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 595539.6104,
                "count": 119806,
                "maximum": 595999.6706,
                "minimum": 594999.6906,
                "name": "X",
                "position": 0,
                "stddev": 258.0379412,
                "variance": 66583.57908
              },
              {
                "average": 2351873.535,
                "count": 119806,
                "maximum": 2351998.458,
                "minimum": 2351501.178,
                "name": "Y",
                "position": 1,
                "stddev": 80.70040849,
                "variance": 6512.555931
              },
              {
                "average": -36.37623396,
                "count": 119806,
                "maximum": -31.10292353,
                "minimum": -56.00292353,
                "name": "Z",
                "position": 2,
                "stddev": 3.318526208,
                "variance": 11.0126162
              },
              {
                "average": 901.7668731,
                "count": 119806,
                "maximum": 4142,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 456.9457242,
                "variance": 208799.3949
              },
              {
                "average": 1.00292139,
                "count": 119806,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0539710976,
                "variance": 0.002912879376
              },
              {
                "average": 1.002963124,
                "count": 119806,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0543541008,
                "variance": 0.002954368274
              },
              {
                "average": 1,
                "count": 119806,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 119806,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 119806,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.11067549,
                "count": 119806,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.08238684,
                "variance": 82.48975072
              },
              {
                "average": 249.0332371,
                "count": 119806,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1811548447,
                "variance": 0.03281707776
              },
              {
                "average": 2.140310168,
                "count": 119806,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9867338657,
                "variance": 0.9736437217
              },
              {
                "average": 63572298.4,
                "count": 119806,
                "maximum": 63574318.96,
                "minimum": 63571692.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 673.2893823,
                "variance": 453318.5923
              },
              {
                "average": 0,
                "count": 119806,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 119806,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 119806,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 119806,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 119806,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594999.6906,
              2351501.178,
              -56.00292353,
              595999.6706,
              2351998.458,
              -31.10292353
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594999.6906021072,
                    2351501.177929655,
                    -56.00292352902645
                  ],
                  [
                    594999.6906021072,
                    2351998.4579296554,
                    -56.00292352902645
                  ],
                  [
                    595999.6706021072,
                    2351998.4579296554,
                    -31.10292352902644
                  ],
                  [
                    595999.6706021072,
                    2351501.177929655,
                    -31.10292352902644
                  ],
                  [
                    594999.6906021072,
                    2351501.177929655,
                    -56.00292352902645
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:18:38+00:00",
            "end_time": "2013-09-18T20:34:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8366.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1914826318866,
              21.400696733130196,
              -13.593387570306446
            ],
            [
              -158.19146833100334,
              21.40329699172537,
              -13.593387570306446
            ],
            [
              -158.18958096353649,
              21.403287875802082,
              -10.813387570306444
            ],
            [
              -158.18959529778718,
              21.400687618393555,
              -10.813387570306444
            ],
            [
              -158.1914826318866,
              21.400696733130196,
              -13.593387570306446
            ]
          ]
        ]
      },
      "bbox": [
        -158.1914826,
        21.40068762,
        -13.59338757,
        -158.189581,
        21.40329699,
        -10.81338757
      ],
      "properties": {
        "datetime": "2013-09-11T00:16:19Z",
        "pc:count": 62405,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583927.4378,
            "count": 62405,
            "maximum": 583999.6401,
            "minimum": 583804.0001,
            "name": "X",
            "position": 0,
            "stddev": 51.43694917,
            "variance": 2645.75974
          },
          {
            "average": 2366884.207,
            "count": 62405,
            "maximum": 2366998.462,
            "minimum": 2366710.642,
            "name": "Y",
            "position": 1,
            "stddev": 75.65715025,
            "variance": 5724.004383
          },
          {
            "average": -11.96623478,
            "count": 62405,
            "maximum": -10.81338757,
            "minimum": -13.59338757,
            "name": "Z",
            "position": 2,
            "stddev": 0.3388425257,
            "variance": 0.1148142572
          },
          {
            "average": 45.53606282,
            "count": 62405,
            "maximum": 6705,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 94.87974621,
            "variance": 9002.166241
          },
          {
            "average": 1.006874449,
            "count": 62405,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08301445037,
            "variance": 0.00689139897
          },
          {
            "average": 1.013732874,
            "count": 62405,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1172040722,
            "variance": 0.01373679455
          },
          {
            "average": 1,
            "count": 62405,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 62405,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 62405,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.48711368,
            "count": 62405,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.674103926,
            "variance": 7.150831805
          },
          {
            "average": 108.1941671,
            "count": 62405,
            "maximum": 250,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 78.15052273,
            "variance": 6107.504203
          },
          {
            "average": 9,
            "count": 62405,
            "maximum": 9,
            "minimum": 9,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62893776.54,
            "count": 62405,
            "maximum": 62893779.86,
            "minimum": 62893772.81,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.747571529,
            "variance": 3.054006248
          },
          {
            "average": 0,
            "count": 62405,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 62405,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 62405,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 62405,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 62405,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583804.0001,
          2366710.642,
          -13.59338757,
          583999.6401,
          2366998.462,
          -10.81338757
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583804.0000725136,
                2366710.6415195675,
                -13.593387570306446
              ],
              [
                583804.0000725136,
                2366998.4615195678,
                -13.593387570306446
              ],
              [
                583999.6400725135,
                2366998.4615195678,
                -10.813387570306444
              ],
              [
                583999.6400725135,
                2366710.6415195675,
                -10.813387570306444
              ],
              [
                583804.0000725136,
                2366710.6415195675,
                -13.593387570306446
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T00:16:19+00:00",
        "end_time": "2013-09-11T00:16:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8366.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8366.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8366.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8366.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1914826,
            21.40068762,
            -13.59338757,
            -158.189581,
            21.40329699,
            -10.81338757
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1914826318866,
                  21.400696733130196,
                  -13.593387570306446
                ],
                [
                  -158.19146833100334,
                  21.40329699172537,
                  -13.593387570306446
                ],
                [
                  -158.18958096353649,
                  21.403287875802082,
                  -10.813387570306444
                ],
                [
                  -158.18959529778718,
                  21.400687618393555,
                  -10.813387570306444
                ],
                [
                  -158.1914826318866,
                  21.400696733130196,
                  -13.593387570306446
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8366.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8366.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T00:16:19Z",
            "pc:count": 62405,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583927.4378,
                "count": 62405,
                "maximum": 583999.6401,
                "minimum": 583804.0001,
                "name": "X",
                "position": 0,
                "stddev": 51.43694917,
                "variance": 2645.75974
              },
              {
                "average": 2366884.207,
                "count": 62405,
                "maximum": 2366998.462,
                "minimum": 2366710.642,
                "name": "Y",
                "position": 1,
                "stddev": 75.65715025,
                "variance": 5724.004383
              },
              {
                "average": -11.96623478,
                "count": 62405,
                "maximum": -10.81338757,
                "minimum": -13.59338757,
                "name": "Z",
                "position": 2,
                "stddev": 0.3388425257,
                "variance": 0.1148142572
              },
              {
                "average": 45.53606282,
                "count": 62405,
                "maximum": 6705,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 94.87974621,
                "variance": 9002.166241
              },
              {
                "average": 1.006874449,
                "count": 62405,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08301445037,
                "variance": 0.00689139897
              },
              {
                "average": 1.013732874,
                "count": 62405,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1172040722,
                "variance": 0.01373679455
              },
              {
                "average": 1,
                "count": 62405,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 62405,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 62405,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.48711368,
                "count": 62405,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.674103926,
                "variance": 7.150831805
              },
              {
                "average": 108.1941671,
                "count": 62405,
                "maximum": 250,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 78.15052273,
                "variance": 6107.504203
              },
              {
                "average": 9,
                "count": 62405,
                "maximum": 9,
                "minimum": 9,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62893776.54,
                "count": 62405,
                "maximum": 62893779.86,
                "minimum": 62893772.81,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.747571529,
                "variance": 3.054006248
              },
              {
                "average": 0,
                "count": 62405,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 62405,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 62405,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 62405,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 62405,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583804.0001,
              2366710.642,
              -13.59338757,
              583999.6401,
              2366998.462,
              -10.81338757
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583804.0000725136,
                    2366710.6415195675,
                    -13.593387570306446
                  ],
                  [
                    583804.0000725136,
                    2366998.4615195678,
                    -13.593387570306446
                  ],
                  [
                    583999.6400725135,
                    2366998.4615195678,
                    -10.813387570306444
                  ],
                  [
                    583999.6400725135,
                    2366710.6415195675,
                    -10.813387570306444
                  ],
                  [
                    583804.0000725136,
                    2366710.6415195675,
                    -13.593387570306446
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T00:16:19+00:00",
            "end_time": "2013-09-11T00:16:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9291.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1078130347913,
              21.619695912484442,
              -40.109311584062375
            ],
            [
              -158.10776630444633,
              21.62731597986125,
              -40.109311584062375
            ],
            [
              -158.1013791128162,
              21.627281578583183,
              -17.769311584062372
            ],
            [
              -158.10142617826128,
              21.619661524331715,
              -17.769311584062372
            ],
            [
              -158.1078130347913,
              21.619695912484442,
              -40.109311584062375
            ]
          ]
        ]
      },
      "bbox": [
        -158.107813,
        21.61966152,
        -40.10931158,
        -158.1013791,
        21.62731598,
        -17.76931158
      ],
      "properties": {
        "datetime": "2013-09-09T22:37:24Z",
        "pc:count": 188502,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592786.7614,
            "count": 188502,
            "maximum": 592999.6305,
            "minimum": 592338.5505,
            "name": "X",
            "position": 0,
            "stddev": 156.7177464,
            "variance": 24560.45202
          },
          {
            "average": 2391249.703,
            "count": 188502,
            "maximum": 2391841.982,
            "minimum": 2390998.482,
            "name": "Y",
            "position": 1,
            "stddev": 184.3682499,
            "variance": 33991.65159
          },
          {
            "average": -30.29252534,
            "count": 188502,
            "maximum": -17.76931158,
            "minimum": -40.10931158,
            "name": "Z",
            "position": 2,
            "stddev": 3.77387374,
            "variance": 14.24212301
          },
          {
            "average": 521.531188,
            "count": 188502,
            "maximum": 8210,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 299.0925822,
            "variance": 89456.37274
          },
          {
            "average": 1.001946929,
            "count": 188502,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04420134324,
            "variance": 0.001953758744
          },
          {
            "average": 1.002657797,
            "count": 188502,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05169107234,
            "variance": 0.00267196696
          },
          {
            "average": 1,
            "count": 188502,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 188502,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 188502,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.68695381,
            "count": 188502,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.306445036,
            "variance": 86.60991921
          },
          {
            "average": 249.028562,
            "count": 188502,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1681888817,
            "variance": 0.02828749993
          },
          {
            "average": 2.641643059,
            "count": 188502,
            "maximum": 5,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.726545193,
            "variance": 0.5278679175
          },
          {
            "average": 62799930.54,
            "count": 188502,
            "maximum": 62801444,
            "minimum": 62799591.35,
            "name": "GpsTime",
            "position": 12,
            "stddev": 386.4286554,
            "variance": 149327.1057
          },
          {
            "average": 0,
            "count": 188502,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 188502,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 188502,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 188502,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 188502,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592338.5505,
          2390998.482,
          -40.10931158,
          592999.6305,
          2391841.982,
          -17.76931158
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592338.5505358856,
                2390998.4817433734,
                -40.109311584062375
              ],
              [
                592338.5505358856,
                2391841.9817433734,
                -40.109311584062375
              ],
              [
                592999.6305358857,
                2391841.9817433734,
                -17.769311584062372
              ],
              [
                592999.6305358857,
                2390998.4817433734,
                -17.769311584062372
              ],
              [
                592338.5505358856,
                2390998.4817433734,
                -40.109311584062375
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T22:37:24+00:00",
        "end_time": "2013-09-09T22:06:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9291.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9291.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9291.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9291.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.107813,
            21.61966152,
            -40.10931158,
            -158.1013791,
            21.62731598,
            -17.76931158
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1078130347913,
                  21.619695912484442,
                  -40.109311584062375
                ],
                [
                  -158.10776630444633,
                  21.62731597986125,
                  -40.109311584062375
                ],
                [
                  -158.1013791128162,
                  21.627281578583183,
                  -17.769311584062372
                ],
                [
                  -158.10142617826128,
                  21.619661524331715,
                  -17.769311584062372
                ],
                [
                  -158.1078130347913,
                  21.619695912484442,
                  -40.109311584062375
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9291.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9291.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T22:37:24Z",
            "pc:count": 188502,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592786.7614,
                "count": 188502,
                "maximum": 592999.6305,
                "minimum": 592338.5505,
                "name": "X",
                "position": 0,
                "stddev": 156.7177464,
                "variance": 24560.45202
              },
              {
                "average": 2391249.703,
                "count": 188502,
                "maximum": 2391841.982,
                "minimum": 2390998.482,
                "name": "Y",
                "position": 1,
                "stddev": 184.3682499,
                "variance": 33991.65159
              },
              {
                "average": -30.29252534,
                "count": 188502,
                "maximum": -17.76931158,
                "minimum": -40.10931158,
                "name": "Z",
                "position": 2,
                "stddev": 3.77387374,
                "variance": 14.24212301
              },
              {
                "average": 521.531188,
                "count": 188502,
                "maximum": 8210,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 299.0925822,
                "variance": 89456.37274
              },
              {
                "average": 1.001946929,
                "count": 188502,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04420134324,
                "variance": 0.001953758744
              },
              {
                "average": 1.002657797,
                "count": 188502,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05169107234,
                "variance": 0.00267196696
              },
              {
                "average": 1,
                "count": 188502,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 188502,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 188502,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.68695381,
                "count": 188502,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.306445036,
                "variance": 86.60991921
              },
              {
                "average": 249.028562,
                "count": 188502,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1681888817,
                "variance": 0.02828749993
              },
              {
                "average": 2.641643059,
                "count": 188502,
                "maximum": 5,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.726545193,
                "variance": 0.5278679175
              },
              {
                "average": 62799930.54,
                "count": 188502,
                "maximum": 62801444,
                "minimum": 62799591.35,
                "name": "GpsTime",
                "position": 12,
                "stddev": 386.4286554,
                "variance": 149327.1057
              },
              {
                "average": 0,
                "count": 188502,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 188502,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 188502,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 188502,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 188502,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592338.5505,
              2390998.482,
              -40.10931158,
              592999.6305,
              2391841.982,
              -17.76931158
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592338.5505358856,
                    2390998.4817433734,
                    -40.109311584062375
                  ],
                  [
                    592338.5505358856,
                    2391841.9817433734,
                    -40.109311584062375
                  ],
                  [
                    592999.6305358857,
                    2391841.9817433734,
                    -17.769311584062372
                  ],
                  [
                    592999.6305358857,
                    2390998.4817433734,
                    -17.769311584062372
                  ],
                  [
                    592338.5505358856,
                    2390998.4817433734,
                    -40.109311584062375
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T22:37:24+00:00",
            "end_time": "2013-09-09T22:06:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qej9552.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0843049304825,
              21.26722927054049,
              -35.636310345821535
            ],
            [
              -158.08424902345834,
              21.276263486599664,
              -35.636310345821535
            ],
            [
              -158.07557181516663,
              21.276216075507165,
              -16.996310345821534
            ],
            [
              -158.07562824612546,
              21.267181888057586,
              -16.996310345821534
            ],
            [
              -158.0843049304825,
              21.26722927054049,
              -35.636310345821535
            ]
          ]
        ]
      },
      "bbox": [
        -158.0843049,
        21.26718189,
        -35.63631035,
        -158.0755718,
        21.27626349,
        -16.99631035
      ],
      "properties": {
        "datetime": "2013-09-18T21:00:55Z",
        "pc:count": 363203,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 595299.7833,
            "count": 363203,
            "maximum": 595899.9442,
            "minimum": 594999.6842,
            "name": "X",
            "position": 0,
            "stddev": 211.1846647,
            "variance": 44598.96259
          },
          {
            "average": 2352419.602,
            "count": 363203,
            "maximum": 2352998.457,
            "minimum": 2351998.457,
            "name": "Y",
            "position": 1,
            "stddev": 272.2673057,
            "variance": 74129.48575
          },
          {
            "average": -27.86456832,
            "count": 363203,
            "maximum": -16.99631035,
            "minimum": -35.63631035,
            "name": "Z",
            "position": 2,
            "stddev": 4.393140669,
            "variance": 19.29968494
          },
          {
            "average": 869.4307646,
            "count": 363203,
            "maximum": 8647,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 396.401169,
            "variance": 157133.8868
          },
          {
            "average": 1.001214197,
            "count": 363203,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03482421692,
            "variance": 0.001212726084
          },
          {
            "average": 1.001387654,
            "count": 363203,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.037225421,
            "variance": 0.001385731969
          },
          {
            "average": 1,
            "count": 363203,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 363203,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 363203,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.5158721,
            "count": 363203,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.283271325,
            "variance": 86.17912649
          },
          {
            "average": 243.0298869,
            "count": 363203,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 32.33953971,
            "variance": 1045.845828
          },
          {
            "average": 1.744757064,
            "count": 363203,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7881442915,
            "variance": 0.6211714243
          },
          {
            "average": 63572049.98,
            "count": 363203,
            "maximum": 63573255.73,
            "minimum": 63571675.44,
            "name": "GpsTime",
            "position": 12,
            "stddev": 510.2616803,
            "variance": 260366.9824
          },
          {
            "average": 0,
            "count": 363203,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 363203,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 363203,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 363203,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 363203,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594999.6842,
          2351998.457,
          -35.63631035,
          595899.9442,
          2352998.457,
          -16.99631035
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594999.6842173208,
                2351998.4565700074,
                -35.636310345821535
              ],
              [
                594999.6842173208,
                2352998.4565700074,
                -35.636310345821535
              ],
              [
                595899.9442173208,
                2352998.4565700074,
                -16.996310345821534
              ],
              [
                595899.9442173208,
                2351998.4565700074,
                -16.996310345821534
              ],
              [
                594999.6842173208,
                2351998.4565700074,
                -35.636310345821535
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:00:55+00:00",
        "end_time": "2013-09-18T20:34:35+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qej9552.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qej9552.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qej9552.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qej9552.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0843049,
            21.26718189,
            -35.63631035,
            -158.0755718,
            21.27626349,
            -16.99631035
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0843049304825,
                  21.26722927054049,
                  -35.636310345821535
                ],
                [
                  -158.08424902345834,
                  21.276263486599664,
                  -35.636310345821535
                ],
                [
                  -158.07557181516663,
                  21.276216075507165,
                  -16.996310345821534
                ],
                [
                  -158.07562824612546,
                  21.267181888057586,
                  -16.996310345821534
                ],
                [
                  -158.0843049304825,
                  21.26722927054049,
                  -35.636310345821535
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qej9552.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qej9552.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:00:55Z",
            "pc:count": 363203,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 595299.7833,
                "count": 363203,
                "maximum": 595899.9442,
                "minimum": 594999.6842,
                "name": "X",
                "position": 0,
                "stddev": 211.1846647,
                "variance": 44598.96259
              },
              {
                "average": 2352419.602,
                "count": 363203,
                "maximum": 2352998.457,
                "minimum": 2351998.457,
                "name": "Y",
                "position": 1,
                "stddev": 272.2673057,
                "variance": 74129.48575
              },
              {
                "average": -27.86456832,
                "count": 363203,
                "maximum": -16.99631035,
                "minimum": -35.63631035,
                "name": "Z",
                "position": 2,
                "stddev": 4.393140669,
                "variance": 19.29968494
              },
              {
                "average": 869.4307646,
                "count": 363203,
                "maximum": 8647,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 396.401169,
                "variance": 157133.8868
              },
              {
                "average": 1.001214197,
                "count": 363203,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03482421692,
                "variance": 0.001212726084
              },
              {
                "average": 1.001387654,
                "count": 363203,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.037225421,
                "variance": 0.001385731969
              },
              {
                "average": 1,
                "count": 363203,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 363203,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 363203,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.5158721,
                "count": 363203,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.283271325,
                "variance": 86.17912649
              },
              {
                "average": 243.0298869,
                "count": 363203,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 32.33953971,
                "variance": 1045.845828
              },
              {
                "average": 1.744757064,
                "count": 363203,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7881442915,
                "variance": 0.6211714243
              },
              {
                "average": 63572049.98,
                "count": 363203,
                "maximum": 63573255.73,
                "minimum": 63571675.44,
                "name": "GpsTime",
                "position": 12,
                "stddev": 510.2616803,
                "variance": 260366.9824
              },
              {
                "average": 0,
                "count": 363203,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 363203,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 363203,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 363203,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 363203,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594999.6842,
              2351998.457,
              -35.63631035,
              595899.9442,
              2352998.457,
              -16.99631035
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594999.6842173208,
                    2351998.4565700074,
                    -35.636310345821535
                  ],
                  [
                    594999.6842173208,
                    2352998.4565700074,
                    -35.636310345821535
                  ],
                  [
                    595899.9442173208,
                    2352998.4565700074,
                    -16.996310345821534
                  ],
                  [
                    595899.9442173208,
                    2351998.4565700074,
                    -16.996310345821534
                  ],
                  [
                    594999.6842173208,
                    2351998.4565700074,
                    -35.636310345821535
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:00:55+00:00",
            "end_time": "2013-09-18T20:34:35+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9352.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.10356898411382,
              21.269324364351803,
              -54.55414379279689
            ],
            [
              -158.10352630432425,
              21.276367307473315,
              -54.55414379279689
            ],
            [
              -158.0938876836535,
              21.2763157258192,
              -13.114143792796895
            ],
            [
              -158.093930818414,
              21.269272805432134,
              -13.114143792796895
            ],
            [
              -158.10356898411382,
              21.269324364351803,
              -54.55414379279689
            ]
          ]
        ]
      },
      "bbox": [
        -158.103569,
        21.26927281,
        -54.55414379,
        -158.0938877,
        21.27636731,
        -13.11414379
      ],
      "properties": {
        "datetime": "2013-09-19T00:49:55Z",
        "pc:count": 553497,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593572.2302,
            "count": 553497,
            "maximum": 593999.6767,
            "minimum": 592999.6767,
            "name": "X",
            "position": 0,
            "stddev": 277.032768,
            "variance": 76747.15454
          },
          {
            "average": 2352740.213,
            "count": 553497,
            "maximum": 2352998.468,
            "minimum": 2352218.888,
            "name": "Y",
            "position": 1,
            "stddev": 192.797821,
            "variance": 37170.9998
          },
          {
            "average": -25.42028101,
            "count": 553497,
            "maximum": -13.11414379,
            "minimum": -54.55414379,
            "name": "Z",
            "position": 2,
            "stddev": 7.555732736,
            "variance": 57.08909718
          },
          {
            "average": 767.7829871,
            "count": 553497,
            "maximum": 6270,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 619.1997966,
            "variance": 383408.3881
          },
          {
            "average": 1.002242108,
            "count": 553497,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0477918303,
            "variance": 0.002284059043
          },
          {
            "average": 1.002802183,
            "count": 553497,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05360812187,
            "variance": 0.00287383073
          },
          {
            "average": 1,
            "count": 553497,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 553497,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 553497,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.5324496,
            "count": 553497,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.281543058,
            "variance": 86.14704153
          },
          {
            "average": 213.4566005,
            "count": 553497,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 71.95769104,
            "variance": 5177.9093
          },
          {
            "average": 6.176056961,
            "count": 553497,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.418332403,
            "variance": 11.68499642
          },
          {
            "average": 63200857.18,
            "count": 553497,
            "maximum": 63586995.68,
            "minimum": 62893134.44,
            "name": "GpsTime",
            "position": 12,
            "stddev": 343297.0539,
            "variance": 117852867200.0
          },
          {
            "average": 0,
            "count": 553497,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 553497,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 553497,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 553497,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 553497,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592999.6767,
          2352218.888,
          -54.55414379,
          593999.6767,
          2352998.468,
          -13.11414379
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592999.676735912,
                2352218.887890273,
                -54.55414379279689
              ],
              [
                592999.676735912,
                2352998.467890273,
                -54.55414379279689
              ],
              [
                593999.676735912,
                2352998.467890273,
                -13.114143792796895
              ],
              [
                593999.676735912,
                2352218.887890273,
                -13.114143792796895
              ],
              [
                592999.676735912,
                2352218.887890273,
                -54.55414379279689
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:49:55+00:00",
        "end_time": "2013-09-11T00:05:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9352.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9352.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9352.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9352.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.103569,
            21.26927281,
            -54.55414379,
            -158.0938877,
            21.27636731,
            -13.11414379
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.10356898411382,
                  21.269324364351803,
                  -54.55414379279689
                ],
                [
                  -158.10352630432425,
                  21.276367307473315,
                  -54.55414379279689
                ],
                [
                  -158.0938876836535,
                  21.2763157258192,
                  -13.114143792796895
                ],
                [
                  -158.093930818414,
                  21.269272805432134,
                  -13.114143792796895
                ],
                [
                  -158.10356898411382,
                  21.269324364351803,
                  -54.55414379279689
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9352.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9352.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:49:55Z",
            "pc:count": 553497,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593572.2302,
                "count": 553497,
                "maximum": 593999.6767,
                "minimum": 592999.6767,
                "name": "X",
                "position": 0,
                "stddev": 277.032768,
                "variance": 76747.15454
              },
              {
                "average": 2352740.213,
                "count": 553497,
                "maximum": 2352998.468,
                "minimum": 2352218.888,
                "name": "Y",
                "position": 1,
                "stddev": 192.797821,
                "variance": 37170.9998
              },
              {
                "average": -25.42028101,
                "count": 553497,
                "maximum": -13.11414379,
                "minimum": -54.55414379,
                "name": "Z",
                "position": 2,
                "stddev": 7.555732736,
                "variance": 57.08909718
              },
              {
                "average": 767.7829871,
                "count": 553497,
                "maximum": 6270,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 619.1997966,
                "variance": 383408.3881
              },
              {
                "average": 1.002242108,
                "count": 553497,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0477918303,
                "variance": 0.002284059043
              },
              {
                "average": 1.002802183,
                "count": 553497,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05360812187,
                "variance": 0.00287383073
              },
              {
                "average": 1,
                "count": 553497,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 553497,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 553497,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.5324496,
                "count": 553497,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.281543058,
                "variance": 86.14704153
              },
              {
                "average": 213.4566005,
                "count": 553497,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 71.95769104,
                "variance": 5177.9093
              },
              {
                "average": 6.176056961,
                "count": 553497,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.418332403,
                "variance": 11.68499642
              },
              {
                "average": 63200857.18,
                "count": 553497,
                "maximum": 63586995.68,
                "minimum": 62893134.44,
                "name": "GpsTime",
                "position": 12,
                "stddev": 343297.0539,
                "variance": 117852867200.0
              },
              {
                "average": 0,
                "count": 553497,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 553497,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 553497,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 553497,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 553497,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592999.6767,
              2352218.888,
              -54.55414379,
              593999.6767,
              2352998.468,
              -13.11414379
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592999.676735912,
                    2352218.887890273,
                    -54.55414379279689
                  ],
                  [
                    592999.676735912,
                    2352998.467890273,
                    -54.55414379279689
                  ],
                  [
                    593999.676735912,
                    2352998.467890273,
                    -13.114143792796895
                  ],
                  [
                    593999.676735912,
                    2352218.887890273,
                    -13.114143792796895
                  ],
                  [
                    592999.676735912,
                    2352218.887890273,
                    -54.55414379279689
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:49:55+00:00",
            "end_time": "2013-09-11T00:05:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8767.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.16063959754786,
              21.40314538205589,
              16.78995851402206
            ],
            [
              -158.1606045651102,
              21.409280179023984,
              16.78995851402206
            ],
            [
              -158.157382121442,
              21.40926400421725,
              183.28995851402206
            ],
            [
              -158.1574172878878,
              21.403129212410658,
              183.28995851402206
            ],
            [
              -158.16063959754786,
              21.40314538205589,
              16.78995851402206
            ]
          ]
        ]
      },
      "bbox": [
        -158.1606396,
        21.40312921,
        16.78995851,
        -158.1573821,
        21.40928018,
        183.2899585
      ],
      "properties": {
        "datetime": "2013-09-10T23:07:02Z",
        "pc:count": 1270119,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 587122.2637,
            "count": 1270119,
            "maximum": 587333.6693,
            "minimum": 586999.6493,
            "name": "X",
            "position": 0,
            "stddev": 86.58224762,
            "variance": 7496.485603
          },
          {
            "average": 2367213.707,
            "count": 1270119,
            "maximum": 2367677.52,
            "minimum": 2366998.46,
            "name": "Y",
            "position": 1,
            "stddev": 162.712687,
            "variance": 26475.41851
          },
          {
            "average": 40.36450156,
            "count": 1270119,
            "maximum": 183.2899585,
            "minimum": 16.78995851,
            "name": "Z",
            "position": 2,
            "stddev": 27.52811444,
            "variance": 757.7970846
          },
          {
            "average": 35.1792832,
            "count": 1270119,
            "maximum": 726,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 56.58584695,
            "variance": 3201.958075
          },
          {
            "average": 1.143960527,
            "count": 1270119,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4744741679,
            "variance": 0.225125736
          },
          {
            "average": 1.287869877,
            "count": 1270119,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7336543799,
            "variance": 0.5382487492
          },
          {
            "average": 1,
            "count": 1270119,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1270119,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.224120732,
            "count": 1270119,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.417002118,
            "variance": 0.1738907664
          },
          {
            "average": 20.1182427,
            "count": 1270119,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.826085912,
            "variance": 7.986761583
          },
          {
            "average": 90.75260192,
            "count": 1270119,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.19662537,
            "variance": 4121.206709
          },
          {
            "average": 1.270734474,
            "count": 1270119,
            "maximum": 3,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4565052967,
            "variance": 0.2083970859
          },
          {
            "average": 62796377.87,
            "count": 1270119,
            "maximum": 62889622.23,
            "minimum": 62715575.92,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86484.4892,
            "variance": 7479566872
          },
          {
            "average": 0,
            "count": 1270119,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1270119,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1270119,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1270119,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1270119,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          586999.6493,
          2366998.46,
          16.78995851,
          587333.6693,
          2367677.52,
          183.2899585
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                586999.6492922865,
                2366998.459598657,
                16.78995851402206
              ],
              [
                586999.6492922865,
                2367677.519598657,
                16.78995851402206
              ],
              [
                587333.6692922865,
                2367677.519598657,
                183.28995851402206
              ],
              [
                587333.6692922865,
                2366998.459598657,
                183.28995851402206
              ],
              [
                586999.6492922865,
                2366998.459598657,
                16.78995851402206
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:07:02+00:00",
        "end_time": "2013-09-08T22:46:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8767.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8767.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8767.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8767.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1606396,
            21.40312921,
            16.78995851,
            -158.1573821,
            21.40928018,
            183.2899585
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.16063959754786,
                  21.40314538205589,
                  16.78995851402206
                ],
                [
                  -158.1606045651102,
                  21.409280179023984,
                  16.78995851402206
                ],
                [
                  -158.157382121442,
                  21.40926400421725,
                  183.28995851402206
                ],
                [
                  -158.1574172878878,
                  21.403129212410658,
                  183.28995851402206
                ],
                [
                  -158.16063959754786,
                  21.40314538205589,
                  16.78995851402206
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8767.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8767.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:07:02Z",
            "pc:count": 1270119,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 587122.2637,
                "count": 1270119,
                "maximum": 587333.6693,
                "minimum": 586999.6493,
                "name": "X",
                "position": 0,
                "stddev": 86.58224762,
                "variance": 7496.485603
              },
              {
                "average": 2367213.707,
                "count": 1270119,
                "maximum": 2367677.52,
                "minimum": 2366998.46,
                "name": "Y",
                "position": 1,
                "stddev": 162.712687,
                "variance": 26475.41851
              },
              {
                "average": 40.36450156,
                "count": 1270119,
                "maximum": 183.2899585,
                "minimum": 16.78995851,
                "name": "Z",
                "position": 2,
                "stddev": 27.52811444,
                "variance": 757.7970846
              },
              {
                "average": 35.1792832,
                "count": 1270119,
                "maximum": 726,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 56.58584695,
                "variance": 3201.958075
              },
              {
                "average": 1.143960527,
                "count": 1270119,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4744741679,
                "variance": 0.225125736
              },
              {
                "average": 1.287869877,
                "count": 1270119,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7336543799,
                "variance": 0.5382487492
              },
              {
                "average": 1,
                "count": 1270119,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1270119,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.224120732,
                "count": 1270119,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.417002118,
                "variance": 0.1738907664
              },
              {
                "average": 20.1182427,
                "count": 1270119,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.826085912,
                "variance": 7.986761583
              },
              {
                "average": 90.75260192,
                "count": 1270119,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.19662537,
                "variance": 4121.206709
              },
              {
                "average": 1.270734474,
                "count": 1270119,
                "maximum": 3,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4565052967,
                "variance": 0.2083970859
              },
              {
                "average": 62796377.87,
                "count": 1270119,
                "maximum": 62889622.23,
                "minimum": 62715575.92,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86484.4892,
                "variance": 7479566872
              },
              {
                "average": 0,
                "count": 1270119,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1270119,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1270119,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1270119,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1270119,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              586999.6493,
              2366998.46,
              16.78995851,
              587333.6693,
              2367677.52,
              183.2899585
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    586999.6492922865,
                    2366998.459598657,
                    16.78995851402206
                  ],
                  [
                    586999.6492922865,
                    2367677.519598657,
                    16.78995851402206
                  ],
                  [
                    587333.6692922865,
                    2367677.519598657,
                    183.28995851402206
                  ],
                  [
                    587333.6692922865,
                    2366998.459598657,
                    183.28995851402206
                  ],
                  [
                    586999.6492922865,
                    2366998.459598657,
                    16.78995851402206
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:07:02+00:00",
            "end_time": "2013-09-08T22:46:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8367.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.19574108349232,
              21.40331757881675,
              -30.248287280921964
            ],
            [
              -158.1956916390159,
              21.412351905674566,
              -30.248287280921964
            ],
            [
              -158.1895311680441,
              21.412322218300453,
              -9.028287280921965
            ],
            [
              -158.18958099124663,
              21.403287904763655,
              -9.028287280921965
            ],
            [
              -158.19574108349232,
              21.40331757881675,
              -30.248287280921964
            ]
          ]
        ]
      },
      "bbox": [
        -158.1957411,
        21.4032879,
        -30.24828728,
        -158.1895312,
        21.41235191,
        -9.028287281
      ],
      "properties": {
        "datetime": "2013-09-19T00:45:32Z",
        "pc:count": 994148,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583829.4422,
            "count": 994148,
            "maximum": 583999.6372,
            "minimum": 583361.0972,
            "name": "X",
            "position": 0,
            "stddev": 121.1248782,
            "variance": 14671.23613
          },
          {
            "average": 2367569.098,
            "count": 994148,
            "maximum": 2367998.465,
            "minimum": 2366998.465,
            "name": "Y",
            "position": 1,
            "stddev": 269.0465814,
            "variance": 72386.06298
          },
          {
            "average": -12.34509321,
            "count": 994148,
            "maximum": -9.028287281,
            "minimum": -30.24828728,
            "name": "Z",
            "position": 2,
            "stddev": 2.169985193,
            "variance": 4.708835738
          },
          {
            "average": 49.06338191,
            "count": 994148,
            "maximum": 8871,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 107.7799764,
            "variance": 11616.52331
          },
          {
            "average": 1.004626072,
            "count": 994148,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06860959397,
            "variance": 0.004707276385
          },
          {
            "average": 1.008454476,
            "count": 994148,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09285691725,
            "variance": 0.008622407081
          },
          {
            "average": 1,
            "count": 994148,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 994148,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 994148,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.59657286,
            "count": 994148,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.35538145,
            "variance": 28.68011048
          },
          {
            "average": 110.2185419,
            "count": 994148,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 80.26875105,
            "variance": 6443.072395
          },
          {
            "average": 7.177544993,
            "count": 994148,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.4173724,
            "variance": 11.67843412
          },
          {
            "average": 63132562.85,
            "count": 994148,
            "maximum": 63586732.06,
            "minimum": 62893766.94,
            "name": "GpsTime",
            "position": 12,
            "stddev": 328818.2883,
            "variance": 108121466700.0
          },
          {
            "average": 0,
            "count": 994148,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 994148,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 994148,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 994148,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 994148,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583361.0972,
          2366998.465,
          -30.24828728,
          583999.6372,
          2367998.465,
          -9.028287281
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583361.0971836677,
                2366998.46471038,
                -30.248287280921964
              ],
              [
                583361.0971836677,
                2367998.46471038,
                -30.248287280921964
              ],
              [
                583999.6371836677,
                2367998.46471038,
                -9.028287280921965
              ],
              [
                583999.6371836677,
                2366998.46471038,
                -9.028287280921965
              ],
              [
                583361.0971836677,
                2366998.46471038,
                -30.248287280921964
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:45:32+00:00",
        "end_time": "2013-09-11T00:16:06+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8367.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8367.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8367.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8367.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1957411,
            21.4032879,
            -30.24828728,
            -158.1895312,
            21.41235191,
            -9.028287281
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.19574108349232,
                  21.40331757881675,
                  -30.248287280921964
                ],
                [
                  -158.1956916390159,
                  21.412351905674566,
                  -30.248287280921964
                ],
                [
                  -158.1895311680441,
                  21.412322218300453,
                  -9.028287280921965
                ],
                [
                  -158.18958099124663,
                  21.403287904763655,
                  -9.028287280921965
                ],
                [
                  -158.19574108349232,
                  21.40331757881675,
                  -30.248287280921964
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8367.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8367.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:45:32Z",
            "pc:count": 994148,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583829.4422,
                "count": 994148,
                "maximum": 583999.6372,
                "minimum": 583361.0972,
                "name": "X",
                "position": 0,
                "stddev": 121.1248782,
                "variance": 14671.23613
              },
              {
                "average": 2367569.098,
                "count": 994148,
                "maximum": 2367998.465,
                "minimum": 2366998.465,
                "name": "Y",
                "position": 1,
                "stddev": 269.0465814,
                "variance": 72386.06298
              },
              {
                "average": -12.34509321,
                "count": 994148,
                "maximum": -9.028287281,
                "minimum": -30.24828728,
                "name": "Z",
                "position": 2,
                "stddev": 2.169985193,
                "variance": 4.708835738
              },
              {
                "average": 49.06338191,
                "count": 994148,
                "maximum": 8871,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 107.7799764,
                "variance": 11616.52331
              },
              {
                "average": 1.004626072,
                "count": 994148,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06860959397,
                "variance": 0.004707276385
              },
              {
                "average": 1.008454476,
                "count": 994148,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09285691725,
                "variance": 0.008622407081
              },
              {
                "average": 1,
                "count": 994148,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 994148,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 994148,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.59657286,
                "count": 994148,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.35538145,
                "variance": 28.68011048
              },
              {
                "average": 110.2185419,
                "count": 994148,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 80.26875105,
                "variance": 6443.072395
              },
              {
                "average": 7.177544993,
                "count": 994148,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.4173724,
                "variance": 11.67843412
              },
              {
                "average": 63132562.85,
                "count": 994148,
                "maximum": 63586732.06,
                "minimum": 62893766.94,
                "name": "GpsTime",
                "position": 12,
                "stddev": 328818.2883,
                "variance": 108121466700.0
              },
              {
                "average": 0,
                "count": 994148,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 994148,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 994148,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 994148,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 994148,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583361.0972,
              2366998.465,
              -30.24828728,
              583999.6372,
              2367998.465,
              -9.028287281
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583361.0971836677,
                    2366998.46471038,
                    -30.248287280921964
                  ],
                  [
                    583361.0971836677,
                    2367998.46471038,
                    -30.248287280921964
                  ],
                  [
                    583999.6371836677,
                    2367998.46471038,
                    -9.028287280921965
                  ],
                  [
                    583999.6371836677,
                    2366998.46471038,
                    -9.028287280921965
                  ],
                  [
                    583361.0971836677,
                    2366998.46471038,
                    -30.248287280921964
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:45:32+00:00",
            "end_time": "2013-09-11T00:16:06+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9553.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0842490541492,
              21.276263513359783,
              -17.882555128941213
            ],
            [
              -158.08419312995915,
              21.285297704105204,
              -17.882555128941213
            ],
            [
              -158.07455400660766,
              21.285244962580407,
              -9.842555128941214
            ],
            [
              -158.07461051494076,
              21.2762108011696,
              -9.842555128941214
            ],
            [
              -158.0842490541492,
              21.276263513359783,
              -17.882555128941213
            ]
          ]
        ]
      },
      "bbox": [
        -158.0842491,
        21.2762108,
        -17.88255513,
        -158.074554,
        21.2852977,
        -9.842555129
      ],
      "properties": {
        "datetime": "2013-09-18T20:34:40Z",
        "pc:count": 793630,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 595435.0626,
            "count": 793630,
            "maximum": 595999.681,
            "minimum": 594999.681,
            "name": "X",
            "position": 0,
            "stddev": 299.5081954,
            "variance": 89705.15909
          },
          {
            "average": 2353777.763,
            "count": 793630,
            "maximum": 2353998.46,
            "minimum": 2352998.46,
            "name": "Y",
            "position": 1,
            "stddev": 219.4686757,
            "variance": 48166.4996
          },
          {
            "average": -12.76556906,
            "count": 793630,
            "maximum": -9.842555129,
            "minimum": -17.88255513,
            "name": "Z",
            "position": 2,
            "stddev": 1.537163295,
            "variance": 2.362870994
          },
          {
            "average": 43.89669997,
            "count": 793630,
            "maximum": 4654,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 75.92470073,
            "variance": 5764.56018
          },
          {
            "average": 1.003276086,
            "count": 793630,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05718738801,
            "variance": 0.003270397348
          },
          {
            "average": 1.003413429,
            "count": 793630,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05836799085,
            "variance": 0.003406822356
          },
          {
            "average": 1,
            "count": 793630,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 793630,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 793630,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.518990514,
            "count": 793630,
            "maximum": 22.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.198943907,
            "variance": 27.02901775
          },
          {
            "average": 130.0570354,
            "count": 793630,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 87.33398554,
            "variance": 7627.22503
          },
          {
            "average": 5.727228053,
            "count": 793630,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.452835303,
            "variance": 6.016401025
          },
          {
            "average": 63315508.66,
            "count": 793630,
            "maximum": 63571680.16,
            "minimum": 63275740.83,
            "name": "GpsTime",
            "position": 12,
            "stddev": 91378.27187,
            "variance": 8349988570
          },
          {
            "average": 0,
            "count": 793630,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 793630,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 793630,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 793630,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 793630,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594999.681,
          2352998.46,
          -17.88255513,
          595999.681,
          2353998.46,
          -9.842555129
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594999.6810160752,
                2352998.4595135264,
                -17.882555128941213
              ],
              [
                594999.6810160752,
                2353998.4595135264,
                -17.882555128941213
              ],
              [
                595999.6810160752,
                2353998.4595135264,
                -9.842555128941214
              ],
              [
                595999.6810160752,
                2352998.4595135264,
                -9.842555128941214
              ],
              [
                594999.6810160752,
                2352998.4595135264,
                -17.882555128941213
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:34:40+00:00",
        "end_time": "2013-09-15T10:22:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9553.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9553.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9553.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9553.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0842491,
            21.2762108,
            -17.88255513,
            -158.074554,
            21.2852977,
            -9.842555129
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0842490541492,
                  21.276263513359783,
                  -17.882555128941213
                ],
                [
                  -158.08419312995915,
                  21.285297704105204,
                  -17.882555128941213
                ],
                [
                  -158.07455400660766,
                  21.285244962580407,
                  -9.842555128941214
                ],
                [
                  -158.07461051494076,
                  21.2762108011696,
                  -9.842555128941214
                ],
                [
                  -158.0842490541492,
                  21.276263513359783,
                  -17.882555128941213
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9553.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9553.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:34:40Z",
            "pc:count": 793630,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 595435.0626,
                "count": 793630,
                "maximum": 595999.681,
                "minimum": 594999.681,
                "name": "X",
                "position": 0,
                "stddev": 299.5081954,
                "variance": 89705.15909
              },
              {
                "average": 2353777.763,
                "count": 793630,
                "maximum": 2353998.46,
                "minimum": 2352998.46,
                "name": "Y",
                "position": 1,
                "stddev": 219.4686757,
                "variance": 48166.4996
              },
              {
                "average": -12.76556906,
                "count": 793630,
                "maximum": -9.842555129,
                "minimum": -17.88255513,
                "name": "Z",
                "position": 2,
                "stddev": 1.537163295,
                "variance": 2.362870994
              },
              {
                "average": 43.89669997,
                "count": 793630,
                "maximum": 4654,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 75.92470073,
                "variance": 5764.56018
              },
              {
                "average": 1.003276086,
                "count": 793630,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05718738801,
                "variance": 0.003270397348
              },
              {
                "average": 1.003413429,
                "count": 793630,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05836799085,
                "variance": 0.003406822356
              },
              {
                "average": 1,
                "count": 793630,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 793630,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 793630,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.518990514,
                "count": 793630,
                "maximum": 22.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.198943907,
                "variance": 27.02901775
              },
              {
                "average": 130.0570354,
                "count": 793630,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 87.33398554,
                "variance": 7627.22503
              },
              {
                "average": 5.727228053,
                "count": 793630,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.452835303,
                "variance": 6.016401025
              },
              {
                "average": 63315508.66,
                "count": 793630,
                "maximum": 63571680.16,
                "minimum": 63275740.83,
                "name": "GpsTime",
                "position": 12,
                "stddev": 91378.27187,
                "variance": 8349988570
              },
              {
                "average": 0,
                "count": 793630,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 793630,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 793630,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 793630,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 793630,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594999.681,
              2352998.46,
              -17.88255513,
              595999.681,
              2353998.46,
              -9.842555129
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594999.6810160752,
                    2352998.4595135264,
                    -17.882555128941213
                  ],
                  [
                    594999.6810160752,
                    2353998.4595135264,
                    -17.882555128941213
                  ],
                  [
                    595999.6810160752,
                    2353998.4595135264,
                    -9.842555128941214
                  ],
                  [
                    595999.6810160752,
                    2352998.4595135264,
                    -9.842555128941214
                  ],
                  [
                    594999.6810160752,
                    2352998.4595135264,
                    -17.882555128941213
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:34:40+00:00",
            "end_time": "2013-09-15T10:22:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8368.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1991785587598,
              21.412368641069225,
              -54.11299125677188
            ],
            [
              -158.1991292978016,
              21.421402968226463,
              -54.11299125677188
            ],
            [
              -158.1894813394344,
              21.421356557968547,
              -6.99299125677188
            ],
            [
              -158.18953119428232,
              21.412322251374036,
              -6.99299125677188
            ],
            [
              -158.1991785587598,
              21.412368641069225,
              -54.11299125677188
            ]
          ]
        ]
      },
      "bbox": [
        -158.1991786,
        21.41232225,
        -54.11299126,
        -158.1894813,
        21.42140297,
        -6.992991257
      ],
      "properties": {
        "datetime": "2013-09-19T00:45:23Z",
        "pc:count": 1472722,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583755.4028,
            "count": 1472722,
            "maximum": 583999.6344,
            "minimum": 582999.6744,
            "name": "X",
            "position": 0,
            "stddev": 221.1953952,
            "variance": 48927.40284
          },
          {
            "average": 2368560.085,
            "count": 1472722,
            "maximum": 2368998.468,
            "minimum": 2367998.468,
            "name": "Y",
            "position": 1,
            "stddev": 291.9286533,
            "variance": 85222.33861
          },
          {
            "average": -17.3691204,
            "count": 1472722,
            "maximum": -6.992991257,
            "minimum": -54.11299126,
            "name": "Z",
            "position": 2,
            "stddev": 7.446421104,
            "variance": 55.44918726
          },
          {
            "average": 298.1868411,
            "count": 1472722,
            "maximum": 6056,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 518.3872281,
            "variance": 268725.3182
          },
          {
            "average": 1.004545325,
            "count": 1472722,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06758790561,
            "variance": 0.004568124984
          },
          {
            "average": 1.006575579,
            "count": 1472722,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08136717565,
            "variance": 0.006620617274
          },
          {
            "average": 1,
            "count": 1472722,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1472722,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1472722,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.13457073,
            "count": 1472722,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.034870907,
            "variance": 64.55915049
          },
          {
            "average": 148.3996532,
            "count": 1472722,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 92.7207086,
            "variance": 8597.129803
          },
          {
            "average": 5.837908988,
            "count": 1472722,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.106046845,
            "variance": 16.85962069
          },
          {
            "average": 63307134.67,
            "count": 1472722,
            "maximum": 63586723.66,
            "minimum": 62722444.91,
            "name": "GpsTime",
            "position": 12,
            "stddev": 385952.2344,
            "variance": 148959127300.0
          },
          {
            "average": 0,
            "count": 1472722,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1472722,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1472722,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1472722,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1472722,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582999.6744,
          2367998.468,
          -54.11299126,
          583999.6344,
          2368998.468,
          -6.992991257
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582999.6744452047,
                2367998.4683571197,
                -54.11299125677188
              ],
              [
                582999.6744452047,
                2368998.4683571197,
                -54.11299125677188
              ],
              [
                583999.6344452046,
                2368998.4683571197,
                -6.99299125677188
              ],
              [
                583999.6344452046,
                2367998.4683571197,
                -6.99299125677188
              ],
              [
                582999.6744452047,
                2367998.4683571197,
                -54.11299125677188
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:45:23+00:00",
        "end_time": "2013-09-09T00:40:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8368.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8368.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8368.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8368.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1991786,
            21.41232225,
            -54.11299126,
            -158.1894813,
            21.42140297,
            -6.992991257
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1991785587598,
                  21.412368641069225,
                  -54.11299125677188
                ],
                [
                  -158.1991292978016,
                  21.421402968226463,
                  -54.11299125677188
                ],
                [
                  -158.1894813394344,
                  21.421356557968547,
                  -6.99299125677188
                ],
                [
                  -158.18953119428232,
                  21.412322251374036,
                  -6.99299125677188
                ],
                [
                  -158.1991785587598,
                  21.412368641069225,
                  -54.11299125677188
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8368.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8368.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:45:23Z",
            "pc:count": 1472722,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583755.4028,
                "count": 1472722,
                "maximum": 583999.6344,
                "minimum": 582999.6744,
                "name": "X",
                "position": 0,
                "stddev": 221.1953952,
                "variance": 48927.40284
              },
              {
                "average": 2368560.085,
                "count": 1472722,
                "maximum": 2368998.468,
                "minimum": 2367998.468,
                "name": "Y",
                "position": 1,
                "stddev": 291.9286533,
                "variance": 85222.33861
              },
              {
                "average": -17.3691204,
                "count": 1472722,
                "maximum": -6.992991257,
                "minimum": -54.11299126,
                "name": "Z",
                "position": 2,
                "stddev": 7.446421104,
                "variance": 55.44918726
              },
              {
                "average": 298.1868411,
                "count": 1472722,
                "maximum": 6056,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 518.3872281,
                "variance": 268725.3182
              },
              {
                "average": 1.004545325,
                "count": 1472722,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06758790561,
                "variance": 0.004568124984
              },
              {
                "average": 1.006575579,
                "count": 1472722,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08136717565,
                "variance": 0.006620617274
              },
              {
                "average": 1,
                "count": 1472722,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1472722,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1472722,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.13457073,
                "count": 1472722,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.034870907,
                "variance": 64.55915049
              },
              {
                "average": 148.3996532,
                "count": 1472722,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 92.7207086,
                "variance": 8597.129803
              },
              {
                "average": 5.837908988,
                "count": 1472722,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.106046845,
                "variance": 16.85962069
              },
              {
                "average": 63307134.67,
                "count": 1472722,
                "maximum": 63586723.66,
                "minimum": 62722444.91,
                "name": "GpsTime",
                "position": 12,
                "stddev": 385952.2344,
                "variance": 148959127300.0
              },
              {
                "average": 0,
                "count": 1472722,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1472722,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1472722,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1472722,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1472722,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582999.6744,
              2367998.468,
              -54.11299126,
              583999.6344,
              2368998.468,
              -6.992991257
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582999.6744452047,
                    2367998.4683571197,
                    -54.11299125677188
                  ],
                  [
                    582999.6744452047,
                    2368998.4683571197,
                    -54.11299125677188
                  ],
                  [
                    583999.6344452046,
                    2368998.4683571197,
                    -6.99299125677188
                  ],
                  [
                    583999.6344452046,
                    2367998.4683571197,
                    -6.99299125677188
                  ],
                  [
                    582999.6744452047,
                    2367998.4683571197,
                    -54.11299125677188
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:45:23+00:00",
            "end_time": "2013-09-09T00:40:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9998.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.04304256025208,
              21.68257402378553,
              -30.184316777045456
            ],
            [
              -158.04298290852404,
              21.691607665661305,
              -30.184316777045456
            ],
            [
              -158.03331688185958,
              21.69155160610401,
              -0.004316777045457
            ],
            [
              -158.03337713664476,
              21.682517989641884,
              -0.004316777045457
            ],
            [
              -158.04304256025208,
              21.68257402378553,
              -30.184316777045456
            ]
          ]
        ]
      },
      "bbox": [
        -158.0430426,
        21.68251799,
        -30.18431678,
        -158.0333169,
        21.69160767,
        -0.004316777045
      ],
      "properties": {
        "datetime": "2013-09-09T21:46:48Z",
        "pc:count": 3732402,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 599599.683,
            "count": 3732402,
            "maximum": 599999.667,
            "minimum": 598999.647,
            "name": "X",
            "position": 0,
            "stddev": 277.320453,
            "variance": 76906.63364
          },
          {
            "average": 2398440.005,
            "count": 3732402,
            "maximum": 2398998.49,
            "minimum": 2397998.49,
            "name": "Y",
            "position": 1,
            "stddev": 283.941851,
            "variance": 80622.97476
          },
          {
            "average": -7.071741122,
            "count": 3732402,
            "maximum": -0.004316777045,
            "minimum": -30.18431678,
            "name": "Z",
            "position": 2,
            "stddev": 3.653232901,
            "variance": 13.34611063
          },
          {
            "average": 14.20331331,
            "count": 3732402,
            "maximum": 6944,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 38.24310811,
            "variance": 1462.535318
          },
          {
            "average": 1.015349097,
            "count": 3732402,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1241514443,
            "variance": 0.01541358112
          },
          {
            "average": 1.029480211,
            "count": 3732402,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1718339332,
            "variance": 0.02952690061
          },
          {
            "average": 1,
            "count": 3732402,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3732402,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3732402,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.98995965,
            "count": 3732402,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.129398418,
            "variance": 26.31072813
          },
          {
            "average": 100.5595324,
            "count": 3732402,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 72.46598251,
            "variance": 5251.318622
          },
          {
            "average": 3.938362749,
            "count": 3732402,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.484398091,
            "variance": 2.203437691
          },
          {
            "average": 62797255.99,
            "count": 3732402,
            "maximum": 62798408.47,
            "minimum": 62796236.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 541.2400528,
            "variance": 292940.7948
          },
          {
            "average": 0,
            "count": 3732402,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3732402,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3732402,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3732402,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3732402,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          598999.647,
          2397998.49,
          -30.18431678,
          599999.667,
          2398998.49,
          -0.004316777045
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                598999.6470110528,
                2397998.4899149844,
                -30.184316777045456
              ],
              [
                598999.6470110528,
                2398998.4899149844,
                -30.184316777045456
              ],
              [
                599999.6670110528,
                2398998.4899149844,
                -0.004316777045457
              ],
              [
                599999.6670110528,
                2397998.4899149844,
                -0.004316777045457
              ],
              [
                598999.6470110528,
                2397998.4899149844,
                -30.184316777045456
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:46:48+00:00",
        "end_time": "2013-09-09T21:10:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9998.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9998.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9998.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9998.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0430426,
            21.68251799,
            -30.18431678,
            -158.0333169,
            21.69160767,
            -0.004316777045
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.04304256025208,
                  21.68257402378553,
                  -30.184316777045456
                ],
                [
                  -158.04298290852404,
                  21.691607665661305,
                  -30.184316777045456
                ],
                [
                  -158.03331688185958,
                  21.69155160610401,
                  -0.004316777045457
                ],
                [
                  -158.03337713664476,
                  21.682517989641884,
                  -0.004316777045457
                ],
                [
                  -158.04304256025208,
                  21.68257402378553,
                  -30.184316777045456
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9998.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9998.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:46:48Z",
            "pc:count": 3732402,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 599599.683,
                "count": 3732402,
                "maximum": 599999.667,
                "minimum": 598999.647,
                "name": "X",
                "position": 0,
                "stddev": 277.320453,
                "variance": 76906.63364
              },
              {
                "average": 2398440.005,
                "count": 3732402,
                "maximum": 2398998.49,
                "minimum": 2397998.49,
                "name": "Y",
                "position": 1,
                "stddev": 283.941851,
                "variance": 80622.97476
              },
              {
                "average": -7.071741122,
                "count": 3732402,
                "maximum": -0.004316777045,
                "minimum": -30.18431678,
                "name": "Z",
                "position": 2,
                "stddev": 3.653232901,
                "variance": 13.34611063
              },
              {
                "average": 14.20331331,
                "count": 3732402,
                "maximum": 6944,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 38.24310811,
                "variance": 1462.535318
              },
              {
                "average": 1.015349097,
                "count": 3732402,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1241514443,
                "variance": 0.01541358112
              },
              {
                "average": 1.029480211,
                "count": 3732402,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1718339332,
                "variance": 0.02952690061
              },
              {
                "average": 1,
                "count": 3732402,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3732402,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3732402,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.98995965,
                "count": 3732402,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.129398418,
                "variance": 26.31072813
              },
              {
                "average": 100.5595324,
                "count": 3732402,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 72.46598251,
                "variance": 5251.318622
              },
              {
                "average": 3.938362749,
                "count": 3732402,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.484398091,
                "variance": 2.203437691
              },
              {
                "average": 62797255.99,
                "count": 3732402,
                "maximum": 62798408.47,
                "minimum": 62796236.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 541.2400528,
                "variance": 292940.7948
              },
              {
                "average": 0,
                "count": 3732402,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3732402,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3732402,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3732402,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3732402,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              598999.647,
              2397998.49,
              -30.18431678,
              599999.667,
              2398998.49,
              -0.004316777045
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    598999.6470110528,
                    2397998.4899149844,
                    -30.184316777045456
                  ],
                  [
                    598999.6470110528,
                    2398998.4899149844,
                    -30.184316777045456
                  ],
                  [
                    599999.6670110528,
                    2398998.4899149844,
                    -0.004316777045457
                  ],
                  [
                    599999.6670110528,
                    2397998.4899149844,
                    -0.004316777045457
                  ],
                  [
                    598999.6470110528,
                    2397998.4899149844,
                    -30.184316777045456
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:46:48+00:00",
            "end_time": "2013-09-09T21:10:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0356.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0069591279916,
              21.302928356345664,
              -4.795855766942589
            ],
            [
              -158.00689840830543,
              21.31196230616354,
              -4.795855766942589
            ],
            [
              -157.99725773852404,
              21.31190511831548,
              22.944144233057415
            ],
            [
              -157.99731904802172,
              21.30287119439695,
              22.944144233057415
            ],
            [
              -158.0069591279916,
              21.302928356345664,
              -4.795855766942589
            ]
          ]
        ]
      },
      "bbox": [
        -158.0069591,
        21.30287119,
        -4.795855767,
        -157.9972577,
        21.31196231,
        22.94414423
      ],
      "properties": {
        "datetime": "2013-09-16T11:04:59Z",
        "pc:count": 4151689,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 603500.3024,
            "count": 4151689,
            "maximum": 603999.7143,
            "minimum": 602999.7143,
            "name": "X",
            "position": 0,
            "stddev": 285.2873383,
            "variance": 81388.8654
          },
          {
            "average": 2356504.401,
            "count": 4151689,
            "maximum": 2356998.446,
            "minimum": 2355998.446,
            "name": "Y",
            "position": 1,
            "stddev": 313.1672971,
            "variance": 98073.75599
          },
          {
            "average": -1.428991423,
            "count": 4151689,
            "maximum": 22.94414423,
            "minimum": -4.795855767,
            "name": "Z",
            "position": 2,
            "stddev": 2.616842428,
            "variance": 6.847864292
          },
          {
            "average": 11.20886776,
            "count": 4151689,
            "maximum": 5046,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.34826471,
            "variance": 921.0171712
          },
          {
            "average": 1.039579073,
            "count": 4151689,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2421477146,
            "variance": 0.05863551568
          },
          {
            "average": 1.072754004,
            "count": 4151689,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3575945932,
            "variance": 0.1278738931
          },
          {
            "average": 1,
            "count": 4151689,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4151689,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 24.85138169,
            "count": 4151689,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.897208994,
            "variance": 97.95474587
          },
          {
            "average": 0,
            "count": 4151689,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 89.12594127,
            "count": 4151689,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.87053562,
            "variance": 4743.150677
          },
          {
            "average": 5.524121388,
            "count": 4151689,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.169099119,
            "variance": 4.704990988
          },
          {
            "average": 63361925.19,
            "count": 4151689,
            "maximum": 63364699.31,
            "minimum": 63359400,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1819.122259,
            "variance": 3309205.792
          },
          {
            "average": 0,
            "count": 4151689,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4151689,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4151689,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4151689,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4151689,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          602999.7143,
          2355998.446,
          -4.795855767,
          603999.7143,
          2356998.446,
          22.94414423
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                602999.7142677598,
                2355998.4457277106,
                -4.795855766942589
              ],
              [
                602999.7142677598,
                2356998.4457277106,
                -4.795855766942589
              ],
              [
                603999.7142677598,
                2356998.4457277106,
                22.944144233057415
              ],
              [
                603999.7142677598,
                2355998.4457277106,
                22.944144233057415
              ],
              [
                602999.7142677598,
                2355998.4457277106,
                -4.795855766942589
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:04:59+00:00",
        "end_time": "2013-09-16T09:36:40+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0356.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0356.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0356.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0356.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0069591,
            21.30287119,
            -4.795855767,
            -157.9972577,
            21.31196231,
            22.94414423
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0069591279916,
                  21.302928356345664,
                  -4.795855766942589
                ],
                [
                  -158.00689840830543,
                  21.31196230616354,
                  -4.795855766942589
                ],
                [
                  -157.99725773852404,
                  21.31190511831548,
                  22.944144233057415
                ],
                [
                  -157.99731904802172,
                  21.30287119439695,
                  22.944144233057415
                ],
                [
                  -158.0069591279916,
                  21.302928356345664,
                  -4.795855766942589
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0356.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0356.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:04:59Z",
            "pc:count": 4151689,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 603500.3024,
                "count": 4151689,
                "maximum": 603999.7143,
                "minimum": 602999.7143,
                "name": "X",
                "position": 0,
                "stddev": 285.2873383,
                "variance": 81388.8654
              },
              {
                "average": 2356504.401,
                "count": 4151689,
                "maximum": 2356998.446,
                "minimum": 2355998.446,
                "name": "Y",
                "position": 1,
                "stddev": 313.1672971,
                "variance": 98073.75599
              },
              {
                "average": -1.428991423,
                "count": 4151689,
                "maximum": 22.94414423,
                "minimum": -4.795855767,
                "name": "Z",
                "position": 2,
                "stddev": 2.616842428,
                "variance": 6.847864292
              },
              {
                "average": 11.20886776,
                "count": 4151689,
                "maximum": 5046,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.34826471,
                "variance": 921.0171712
              },
              {
                "average": 1.039579073,
                "count": 4151689,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2421477146,
                "variance": 0.05863551568
              },
              {
                "average": 1.072754004,
                "count": 4151689,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3575945932,
                "variance": 0.1278738931
              },
              {
                "average": 1,
                "count": 4151689,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4151689,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 24.85138169,
                "count": 4151689,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.897208994,
                "variance": 97.95474587
              },
              {
                "average": 0,
                "count": 4151689,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 89.12594127,
                "count": 4151689,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.87053562,
                "variance": 4743.150677
              },
              {
                "average": 5.524121388,
                "count": 4151689,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.169099119,
                "variance": 4.704990988
              },
              {
                "average": 63361925.19,
                "count": 4151689,
                "maximum": 63364699.31,
                "minimum": 63359400,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1819.122259,
                "variance": 3309205.792
              },
              {
                "average": 0,
                "count": 4151689,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4151689,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4151689,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4151689,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4151689,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              602999.7143,
              2355998.446,
              -4.795855767,
              603999.7143,
              2356998.446,
              22.94414423
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    602999.7142677598,
                    2355998.4457277106,
                    -4.795855766942589
                  ],
                  [
                    602999.7142677598,
                    2356998.4457277106,
                    -4.795855766942589
                  ],
                  [
                    603999.7142677598,
                    2356998.4457277106,
                    22.944144233057415
                  ],
                  [
                    603999.7142677598,
                    2355998.4457277106,
                    22.944144233057415
                  ],
                  [
                    602999.7142677598,
                    2355998.4457277106,
                    -4.795855766942589
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:04:59+00:00",
            "end_time": "2013-09-16T09:36:40+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9755.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.06485765275664,
              21.29422567151582,
              -4.424293372813512
            ],
            [
              -158.06480049836208,
              21.30325996530521,
              -4.424293372813512
            ],
            [
              -158.0551602357625,
              21.30320609595691,
              41.59570662718649
            ],
            [
              -158.05521797894832,
              21.294171827337443,
              41.59570662718649
            ],
            [
              -158.06485765275664,
              21.29422567151582,
              -4.424293372813512
            ]
          ]
        ]
      },
      "bbox": [
        -158.0648577,
        21.29417183,
        -4.424293373,
        -158.0551602,
        21.30325997,
        41.59570663
      ],
      "properties": {
        "datetime": "2013-09-17T11:57:26Z",
        "pc:count": 4427041,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 597551.6868,
            "count": 4427041,
            "maximum": 597999.6932,
            "minimum": 596999.6932,
            "name": "X",
            "position": 0,
            "stddev": 294.6726128,
            "variance": 86831.94871
          },
          {
            "average": 2355593.302,
            "count": 4427041,
            "maximum": 2355998.464,
            "minimum": 2354998.444,
            "name": "Y",
            "position": 1,
            "stddev": 329.9283471,
            "variance": 108852.7142
          },
          {
            "average": 2.981970251,
            "count": 4427041,
            "maximum": 41.59570663,
            "minimum": -4.424293373,
            "name": "Z",
            "position": 2,
            "stddev": 6.421116727,
            "variance": 41.23074002
          },
          {
            "average": 14.04548004,
            "count": 4427041,
            "maximum": 1582,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.50763887,
            "variance": 812.685474
          },
          {
            "average": 1.407122726,
            "count": 4427041,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8517541584,
            "variance": 0.7254851463
          },
          {
            "average": 1.778337495,
            "count": 4427041,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.281455356,
            "variance": 1.64212783
          },
          {
            "average": 1,
            "count": 4427041,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4427041,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.0915083,
            "count": 4427041,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.73195345,
            "variance": 188.5665456
          },
          {
            "average": 0,
            "count": 4427041,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 90.74060145,
            "count": 4427041,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.3892415,
            "variance": 4677.088353
          },
          {
            "average": 7.905962696,
            "count": 4427041,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.726337642,
            "variance": 7.43291694
          },
          {
            "average": 63369084.66,
            "count": 4427041,
            "maximum": 63454246.15,
            "minimum": 63361160.22,
            "name": "GpsTime",
            "position": 12,
            "stddev": 20328.27389,
            "variance": 413238719.5
          },
          {
            "average": 0,
            "count": 4427041,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4427041,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4427041,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4427041,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4427041,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          596999.6932,
          2354998.444,
          -4.424293373,
          597999.6932,
          2355998.464,
          41.59570663
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                596999.693190732,
                2354998.4435131066,
                -4.424293372813512
              ],
              [
                596999.693190732,
                2355998.463513106,
                -4.424293372813512
              ],
              [
                597999.693190732,
                2355998.463513106,
                41.59570662718649
              ],
              [
                597999.693190732,
                2354998.4435131066,
                41.59570662718649
              ],
              [
                596999.693190732,
                2354998.4435131066,
                -4.424293372813512
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T11:57:26+00:00",
        "end_time": "2013-09-16T10:06:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9755.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9755.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9755.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9755.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0648577,
            21.29417183,
            -4.424293373,
            -158.0551602,
            21.30325997,
            41.59570663
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.06485765275664,
                  21.29422567151582,
                  -4.424293372813512
                ],
                [
                  -158.06480049836208,
                  21.30325996530521,
                  -4.424293372813512
                ],
                [
                  -158.0551602357625,
                  21.30320609595691,
                  41.59570662718649
                ],
                [
                  -158.05521797894832,
                  21.294171827337443,
                  41.59570662718649
                ],
                [
                  -158.06485765275664,
                  21.29422567151582,
                  -4.424293372813512
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9755.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9755.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T11:57:26Z",
            "pc:count": 4427041,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 597551.6868,
                "count": 4427041,
                "maximum": 597999.6932,
                "minimum": 596999.6932,
                "name": "X",
                "position": 0,
                "stddev": 294.6726128,
                "variance": 86831.94871
              },
              {
                "average": 2355593.302,
                "count": 4427041,
                "maximum": 2355998.464,
                "minimum": 2354998.444,
                "name": "Y",
                "position": 1,
                "stddev": 329.9283471,
                "variance": 108852.7142
              },
              {
                "average": 2.981970251,
                "count": 4427041,
                "maximum": 41.59570663,
                "minimum": -4.424293373,
                "name": "Z",
                "position": 2,
                "stddev": 6.421116727,
                "variance": 41.23074002
              },
              {
                "average": 14.04548004,
                "count": 4427041,
                "maximum": 1582,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.50763887,
                "variance": 812.685474
              },
              {
                "average": 1.407122726,
                "count": 4427041,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8517541584,
                "variance": 0.7254851463
              },
              {
                "average": 1.778337495,
                "count": 4427041,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.281455356,
                "variance": 1.64212783
              },
              {
                "average": 1,
                "count": 4427041,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4427041,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.0915083,
                "count": 4427041,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.73195345,
                "variance": 188.5665456
              },
              {
                "average": 0,
                "count": 4427041,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 90.74060145,
                "count": 4427041,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.3892415,
                "variance": 4677.088353
              },
              {
                "average": 7.905962696,
                "count": 4427041,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.726337642,
                "variance": 7.43291694
              },
              {
                "average": 63369084.66,
                "count": 4427041,
                "maximum": 63454246.15,
                "minimum": 63361160.22,
                "name": "GpsTime",
                "position": 12,
                "stddev": 20328.27389,
                "variance": 413238719.5
              },
              {
                "average": 0,
                "count": 4427041,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4427041,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4427041,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4427041,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4427041,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              596999.6932,
              2354998.444,
              -4.424293373,
              597999.6932,
              2355998.464,
              41.59570663
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    596999.693190732,
                    2354998.4435131066,
                    -4.424293372813512
                  ],
                  [
                    596999.693190732,
                    2355998.463513106,
                    -4.424293372813512
                  ],
                  [
                    597999.693190732,
                    2355998.463513106,
                    41.59570662718649
                  ],
                  [
                    597999.693190732,
                    2354998.4435131066,
                    41.59570662718649
                  ],
                  [
                    596999.693190732,
                    2354998.4435131066,
                    -4.424293372813512
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T11:57:26+00:00",
            "end_time": "2013-09-16T10:06:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8986.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14033726555786,
              21.574875693721236,
              -3.332946645828059
            ],
            [
              -158.14028498822955,
              21.583729930705534,
              -3.332946645828059
            ],
            [
              -158.1306258369568,
              21.583679785804463,
              40.007053354171944
            ],
            [
              -158.13067870183392,
              21.574825570862803,
              40.007053354171944
            ],
            [
              -158.14033726555786,
              21.574875693721236,
              -3.332946645828059
            ]
          ]
        ]
      },
      "bbox": [
        -158.1403373,
        21.57482557,
        -3.332946646,
        -158.1306258,
        21.58372993,
        40.00705335
      ],
      "properties": {
        "datetime": "2013-09-11T20:41:10Z",
        "pc:count": 6539268,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 589506.1299,
            "count": 6539268,
            "maximum": 589999.6392,
            "minimum": 588999.6192,
            "name": "X",
            "position": 0,
            "stddev": 296.863656,
            "variance": 88128.03028
          },
          {
            "average": 2386555.404,
            "count": 6539268,
            "maximum": 2386998.483,
            "minimum": 2386018.383,
            "name": "Y",
            "position": 1,
            "stddev": 242.177086,
            "variance": 58649.74099
          },
          {
            "average": 4.651380774,
            "count": 6539268,
            "maximum": 40.00705335,
            "minimum": -3.332946646,
            "name": "Z",
            "position": 2,
            "stddev": 3.378272226,
            "variance": 11.41272323
          },
          {
            "average": 12.88859518,
            "count": 6539268,
            "maximum": 779,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.64921507,
            "variance": 386.0916529
          },
          {
            "average": 1.281287753,
            "count": 6539268,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6437600487,
            "variance": 0.4144270003
          },
          {
            "average": 1.562297798,
            "count": 6539268,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9665981877,
            "variance": 0.9343120564
          },
          {
            "average": 1,
            "count": 6539268,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6539268,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.895273294,
            "count": 6539268,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.244018816,
            "variance": 18.01169571
          },
          {
            "average": 18.96332519,
            "count": 6539268,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.817205764,
            "variance": 33.8398829
          },
          {
            "average": 91.37201274,
            "count": 6539268,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.03339388,
            "variance": 4229.342319
          },
          {
            "average": 2.969104646,
            "count": 6539268,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.461123106,
            "variance": 2.134880732
          },
          {
            "average": 62886160.37,
            "count": 6539268,
            "maximum": 62967270.05,
            "minimum": 62866411.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 39079.26711,
            "variance": 1527189118
          },
          {
            "average": 0,
            "count": 6539268,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6539268,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6539268,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6539268,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6539268,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588999.6192,
          2386018.383,
          -3.332946646,
          589999.6392,
          2386998.483,
          40.00705335
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588999.6192237391,
                2386018.382982008,
                -3.332946645828059
              ],
              [
                588999.6192237391,
                2386998.482982008,
                -3.332946645828059
              ],
              [
                589999.6392237392,
                2386998.482982008,
                40.007053354171944
              ],
              [
                589999.6392237392,
                2386018.382982008,
                40.007053354171944
              ],
              [
                588999.6192237391,
                2386018.382982008,
                -3.332946645828059
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:41:10+00:00",
        "end_time": "2013-09-10T16:40:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8986.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8986.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8986.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8986.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1403373,
            21.57482557,
            -3.332946646,
            -158.1306258,
            21.58372993,
            40.00705335
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14033726555786,
                  21.574875693721236,
                  -3.332946645828059
                ],
                [
                  -158.14028498822955,
                  21.583729930705534,
                  -3.332946645828059
                ],
                [
                  -158.1306258369568,
                  21.583679785804463,
                  40.007053354171944
                ],
                [
                  -158.13067870183392,
                  21.574825570862803,
                  40.007053354171944
                ],
                [
                  -158.14033726555786,
                  21.574875693721236,
                  -3.332946645828059
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8986.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8986.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:41:10Z",
            "pc:count": 6539268,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 589506.1299,
                "count": 6539268,
                "maximum": 589999.6392,
                "minimum": 588999.6192,
                "name": "X",
                "position": 0,
                "stddev": 296.863656,
                "variance": 88128.03028
              },
              {
                "average": 2386555.404,
                "count": 6539268,
                "maximum": 2386998.483,
                "minimum": 2386018.383,
                "name": "Y",
                "position": 1,
                "stddev": 242.177086,
                "variance": 58649.74099
              },
              {
                "average": 4.651380774,
                "count": 6539268,
                "maximum": 40.00705335,
                "minimum": -3.332946646,
                "name": "Z",
                "position": 2,
                "stddev": 3.378272226,
                "variance": 11.41272323
              },
              {
                "average": 12.88859518,
                "count": 6539268,
                "maximum": 779,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.64921507,
                "variance": 386.0916529
              },
              {
                "average": 1.281287753,
                "count": 6539268,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6437600487,
                "variance": 0.4144270003
              },
              {
                "average": 1.562297798,
                "count": 6539268,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9665981877,
                "variance": 0.9343120564
              },
              {
                "average": 1,
                "count": 6539268,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6539268,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.895273294,
                "count": 6539268,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.244018816,
                "variance": 18.01169571
              },
              {
                "average": 18.96332519,
                "count": 6539268,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.817205764,
                "variance": 33.8398829
              },
              {
                "average": 91.37201274,
                "count": 6539268,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.03339388,
                "variance": 4229.342319
              },
              {
                "average": 2.969104646,
                "count": 6539268,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.461123106,
                "variance": 2.134880732
              },
              {
                "average": 62886160.37,
                "count": 6539268,
                "maximum": 62967270.05,
                "minimum": 62866411.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 39079.26711,
                "variance": 1527189118
              },
              {
                "average": 0,
                "count": 6539268,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6539268,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6539268,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6539268,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6539268,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588999.6192,
              2386018.383,
              -3.332946646,
              589999.6392,
              2386998.483,
              40.00705335
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588999.6192237391,
                    2386018.382982008,
                    -3.332946645828059
                  ],
                  [
                    588999.6192237391,
                    2386998.482982008,
                    -3.332946645828059
                  ],
                  [
                    589999.6392237392,
                    2386998.482982008,
                    40.007053354171944
                  ],
                  [
                    589999.6392237392,
                    2386018.382982008,
                    40.007053354171944
                  ],
                  [
                    588999.6192237391,
                    2386018.382982008,
                    -3.332946645828059
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:41:10+00:00",
            "end_time": "2013-09-10T16:40:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9554.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0841931135035,
              21.28529765214804,
              -13.316372135402158
            ],
            [
              -158.08413716317793,
              21.294331829087785,
              -13.316372135402158
            ],
            [
              -158.07449745371784,
              21.294279060363735,
              -0.436372135402158
            ],
            [
              -158.07455399015544,
              21.28524491062243,
              -0.436372135402158
            ],
            [
              -158.0841931135035,
              21.28529765214804,
              -13.316372135402158
            ]
          ]
        ]
      },
      "bbox": [
        -158.0841931,
        21.28524491,
        -13.31637214,
        -158.0744975,
        21.29433183,
        -0.4363721354
      ],
      "properties": {
        "datetime": "2013-09-17T12:19:28Z",
        "pc:count": 4587570,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 595484.7485,
            "count": 4587570,
            "maximum": 595999.6828,
            "minimum": 594999.6828,
            "name": "X",
            "position": 0,
            "stddev": 282.2006028,
            "variance": 79637.1802
          },
          {
            "average": 2354506.334,
            "count": 4587570,
            "maximum": 2354998.454,
            "minimum": 2353998.454,
            "name": "Y",
            "position": 1,
            "stddev": 277.608986,
            "variance": 77066.7491
          },
          {
            "average": -7.581753941,
            "count": 4587570,
            "maximum": -0.4363721354,
            "minimum": -13.31637214,
            "name": "Z",
            "position": 2,
            "stddev": 3.211863141,
            "variance": 10.31606484
          },
          {
            "average": 14.22529465,
            "count": 4587570,
            "maximum": 1649,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.30966204,
            "variance": 1246.772234
          },
          {
            "average": 1.008506246,
            "count": 4587570,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09226484019,
            "variance": 0.008512800735
          },
          {
            "average": 1.009767262,
            "count": 4587570,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09888718564,
            "variance": 0.009778675483
          },
          {
            "average": 1,
            "count": 4587570,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4587570,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4587570,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4587570,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 101.2967405,
            "count": 4587570,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 73.01472025,
            "variance": 5331.149373
          },
          {
            "average": 6.453304909,
            "count": 4587570,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.34499931,
            "variance": 28.56901763
          },
          {
            "average": 63376276.82,
            "count": 4587570,
            "maximum": 63455568.53,
            "minimum": 63276699.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 64481.7052,
            "variance": 4157890305
          },
          {
            "average": 0,
            "count": 4587570,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4587570,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4587570,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4587570,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4587570,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594999.6828,
          2353998.454,
          -13.31637214,
          595999.6828,
          2354998.454,
          -0.4363721354
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594999.6827565569,
                2353998.4537724545,
                -13.316372135402158
              ],
              [
                594999.6827565569,
                2354998.4537724545,
                -13.316372135402158
              ],
              [
                595999.6827565569,
                2354998.4537724545,
                -0.436372135402158
              ],
              [
                595999.6827565569,
                2353998.4537724545,
                -0.436372135402158
              ],
              [
                594999.6827565569,
                2353998.4537724545,
                -13.316372135402158
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:19:28+00:00",
        "end_time": "2013-09-15T10:38:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9554.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9554.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9554.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9554.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0841931,
            21.28524491,
            -13.31637214,
            -158.0744975,
            21.29433183,
            -0.4363721354
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0841931135035,
                  21.28529765214804,
                  -13.316372135402158
                ],
                [
                  -158.08413716317793,
                  21.294331829087785,
                  -13.316372135402158
                ],
                [
                  -158.07449745371784,
                  21.294279060363735,
                  -0.436372135402158
                ],
                [
                  -158.07455399015544,
                  21.28524491062243,
                  -0.436372135402158
                ],
                [
                  -158.0841931135035,
                  21.28529765214804,
                  -13.316372135402158
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9554.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9554.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:19:28Z",
            "pc:count": 4587570,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 595484.7485,
                "count": 4587570,
                "maximum": 595999.6828,
                "minimum": 594999.6828,
                "name": "X",
                "position": 0,
                "stddev": 282.2006028,
                "variance": 79637.1802
              },
              {
                "average": 2354506.334,
                "count": 4587570,
                "maximum": 2354998.454,
                "minimum": 2353998.454,
                "name": "Y",
                "position": 1,
                "stddev": 277.608986,
                "variance": 77066.7491
              },
              {
                "average": -7.581753941,
                "count": 4587570,
                "maximum": -0.4363721354,
                "minimum": -13.31637214,
                "name": "Z",
                "position": 2,
                "stddev": 3.211863141,
                "variance": 10.31606484
              },
              {
                "average": 14.22529465,
                "count": 4587570,
                "maximum": 1649,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.30966204,
                "variance": 1246.772234
              },
              {
                "average": 1.008506246,
                "count": 4587570,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09226484019,
                "variance": 0.008512800735
              },
              {
                "average": 1.009767262,
                "count": 4587570,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09888718564,
                "variance": 0.009778675483
              },
              {
                "average": 1,
                "count": 4587570,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4587570,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4587570,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4587570,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 101.2967405,
                "count": 4587570,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 73.01472025,
                "variance": 5331.149373
              },
              {
                "average": 6.453304909,
                "count": 4587570,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.34499931,
                "variance": 28.56901763
              },
              {
                "average": 63376276.82,
                "count": 4587570,
                "maximum": 63455568.53,
                "minimum": 63276699.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 64481.7052,
                "variance": 4157890305
              },
              {
                "average": 0,
                "count": 4587570,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4587570,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4587570,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4587570,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4587570,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594999.6828,
              2353998.454,
              -13.31637214,
              595999.6828,
              2354998.454,
              -0.4363721354
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594999.6827565569,
                    2353998.4537724545,
                    -13.316372135402158
                  ],
                  [
                    594999.6827565569,
                    2354998.4537724545,
                    -13.316372135402158
                  ],
                  [
                    595999.6827565569,
                    2354998.4537724545,
                    -0.436372135402158
                  ],
                  [
                    595999.6827565569,
                    2353998.4537724545,
                    -0.436372135402158
                  ],
                  [
                    594999.6827565569,
                    2353998.4537724545,
                    -13.316372135402158
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:19:28+00:00",
            "end_time": "2013-09-15T10:38:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9353.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.10352631918283,
              21.276367317191667,
              -26.754943877535524
            ],
            [
              -158.10347156919667,
              21.285401559087298,
              -26.754943877535524
            ],
            [
              -158.0938323612478,
              21.28534995219058,
              -4.934943877535526
            ],
            [
              -158.09388769851134,
              21.276315735538372,
              -4.934943877535526
            ],
            [
              -158.10352631918283,
              21.276367317191667,
              -26.754943877535524
            ]
          ]
        ]
      },
      "bbox": [
        -158.1035263,
        21.27631574,
        -26.75494388,
        -158.0938324,
        21.28540156,
        -4.934943878
      ],
      "properties": {
        "datetime": "2013-09-19T00:49:42Z",
        "pc:count": 5684291,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593484.2266,
            "count": 5684291,
            "maximum": 593999.6752,
            "minimum": 592999.6752,
            "name": "X",
            "position": 0,
            "stddev": 279.9554766,
            "variance": 78375.0689
          },
          {
            "average": 2353607.472,
            "count": 5684291,
            "maximum": 2353998.469,
            "minimum": 2352998.469,
            "name": "Y",
            "position": 1,
            "stddev": 257.9482137,
            "variance": 66537.28096
          },
          {
            "average": -9.675137184,
            "count": 5684291,
            "maximum": -4.934943878,
            "minimum": -26.75494388,
            "name": "Z",
            "position": 2,
            "stddev": 2.109767198,
            "variance": 4.451117628
          },
          {
            "average": 29.92443543,
            "count": 5684291,
            "maximum": 8537,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 104.5351461,
            "variance": 10927.59677
          },
          {
            "average": 1.011722482,
            "count": 5684291,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1085615972,
            "variance": 0.01178562039
          },
          {
            "average": 1.020720614,
            "count": 5684291,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1440501094,
            "variance": 0.02075043403
          },
          {
            "average": 1,
            "count": 5684291,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5684291,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5684291,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.80134066,
            "count": 5684291,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.662141539,
            "variance": 93.35697911
          },
          {
            "average": 97.1543466,
            "count": 5684291,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 69.66105058,
            "variance": 4852.661967
          },
          {
            "average": 4.505069146,
            "count": 5684291,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.713885982,
            "variance": 7.365177126
          },
          {
            "average": 63426373.15,
            "count": 5684291,
            "maximum": 63586982.79,
            "minimum": 62893365.87,
            "name": "GpsTime",
            "position": 12,
            "stddev": 214379.8873,
            "variance": 45958736090.0
          },
          {
            "average": 0,
            "count": 5684291,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5684291,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5684291,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5684291,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5684291,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592999.6752,
          2352998.469,
          -26.75494388,
          593999.6752,
          2353998.469,
          -4.934943878
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592999.6751882938,
                2352998.468957207,
                -26.754943877535524
              ],
              [
                592999.6751882938,
                2353998.468957207,
                -26.754943877535524
              ],
              [
                593999.6751882938,
                2353998.468957207,
                -4.934943877535526
              ],
              [
                593999.6751882938,
                2352998.468957207,
                -4.934943877535526
              ],
              [
                592999.6751882938,
                2352998.468957207,
                -26.754943877535524
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:49:42+00:00",
        "end_time": "2013-09-11T00:09:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9353.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9353.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9353.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9353.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1035263,
            21.27631574,
            -26.75494388,
            -158.0938324,
            21.28540156,
            -4.934943878
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.10352631918283,
                  21.276367317191667,
                  -26.754943877535524
                ],
                [
                  -158.10347156919667,
                  21.285401559087298,
                  -26.754943877535524
                ],
                [
                  -158.0938323612478,
                  21.28534995219058,
                  -4.934943877535526
                ],
                [
                  -158.09388769851134,
                  21.276315735538372,
                  -4.934943877535526
                ],
                [
                  -158.10352631918283,
                  21.276367317191667,
                  -26.754943877535524
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9353.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9353.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:49:42Z",
            "pc:count": 5684291,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593484.2266,
                "count": 5684291,
                "maximum": 593999.6752,
                "minimum": 592999.6752,
                "name": "X",
                "position": 0,
                "stddev": 279.9554766,
                "variance": 78375.0689
              },
              {
                "average": 2353607.472,
                "count": 5684291,
                "maximum": 2353998.469,
                "minimum": 2352998.469,
                "name": "Y",
                "position": 1,
                "stddev": 257.9482137,
                "variance": 66537.28096
              },
              {
                "average": -9.675137184,
                "count": 5684291,
                "maximum": -4.934943878,
                "minimum": -26.75494388,
                "name": "Z",
                "position": 2,
                "stddev": 2.109767198,
                "variance": 4.451117628
              },
              {
                "average": 29.92443543,
                "count": 5684291,
                "maximum": 8537,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 104.5351461,
                "variance": 10927.59677
              },
              {
                "average": 1.011722482,
                "count": 5684291,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1085615972,
                "variance": 0.01178562039
              },
              {
                "average": 1.020720614,
                "count": 5684291,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1440501094,
                "variance": 0.02075043403
              },
              {
                "average": 1,
                "count": 5684291,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5684291,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5684291,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.80134066,
                "count": 5684291,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.662141539,
                "variance": 93.35697911
              },
              {
                "average": 97.1543466,
                "count": 5684291,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 69.66105058,
                "variance": 4852.661967
              },
              {
                "average": 4.505069146,
                "count": 5684291,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.713885982,
                "variance": 7.365177126
              },
              {
                "average": 63426373.15,
                "count": 5684291,
                "maximum": 63586982.79,
                "minimum": 62893365.87,
                "name": "GpsTime",
                "position": 12,
                "stddev": 214379.8873,
                "variance": 45958736090.0
              },
              {
                "average": 0,
                "count": 5684291,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5684291,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5684291,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5684291,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5684291,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592999.6752,
              2352998.469,
              -26.75494388,
              593999.6752,
              2353998.469,
              -4.934943878
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592999.6751882938,
                    2352998.468957207,
                    -26.754943877535524
                  ],
                  [
                    592999.6751882938,
                    2353998.468957207,
                    -26.754943877535524
                  ],
                  [
                    593999.6751882938,
                    2353998.468957207,
                    -4.934943877535526
                  ],
                  [
                    593999.6751882938,
                    2352998.468957207,
                    -4.934943877535526
                  ],
                  [
                    592999.6751882938,
                    2352998.468957207,
                    -26.754943877535524
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:49:42+00:00",
            "end_time": "2013-09-11T00:09:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9999.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.04103261447696,
              21.691596461348077,
              -23.288649415839508
            ],
            [
              -158.0409840408257,
              21.698933935158884,
              -23.288649415839508
            ],
            [
              -158.03326799750846,
              21.698889125194203,
              -3.908649415839507
            ],
            [
              -158.0333169623143,
              21.691551667887442,
              -3.908649415839507
            ],
            [
              -158.04103261447696,
              21.691596461348077,
              -23.288649415839508
            ]
          ]
        ]
      },
      "bbox": [
        -158.0410326,
        21.69155167,
        -23.28864942,
        -158.033268,
        21.69893394,
        -3.908649416
      ],
      "properties": {
        "datetime": "2013-09-09T21:27:29Z",
        "pc:count": 860908,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 599799.4733,
            "count": 860908,
            "maximum": 599999.6586,
            "minimum": 599201.4186,
            "name": "X",
            "position": 0,
            "stddev": 149.0851154,
            "variance": 22226.37165
          },
          {
            "average": 2399246.905,
            "count": 860908,
            "maximum": 2399810.737,
            "minimum": 2398998.497,
            "name": "Y",
            "position": 1,
            "stddev": 174.6727606,
            "variance": 30510.57328
          },
          {
            "average": -10.5457173,
            "count": 860908,
            "maximum": -3.908649416,
            "minimum": -23.28864942,
            "name": "Z",
            "position": 2,
            "stddev": 2.421434597,
            "variance": 5.863345509
          },
          {
            "average": 17.29674948,
            "count": 860908,
            "maximum": 4953,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.51945828,
            "variance": 1561.787582
          },
          {
            "average": 1.002913203,
            "count": 860908,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05421777254,
            "variance": 0.002939566859
          },
          {
            "average": 1.005091136,
            "count": 860908,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07206243662,
            "variance": 0.005192994771
          },
          {
            "average": 1,
            "count": 860908,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 860908,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 860908,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.0659695,
            "count": 860908,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.946688624,
            "variance": 48.25648284
          },
          {
            "average": 106.7313987,
            "count": 860908,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 73.52999946,
            "variance": 5406.660821
          },
          {
            "average": 1.687613543,
            "count": 860908,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7176211904,
            "variance": 0.514980173
          },
          {
            "average": 62796453.26,
            "count": 860908,
            "maximum": 62797249.31,
            "minimum": 62796246.48,
            "name": "GpsTime",
            "position": 12,
            "stddev": 232.4390865,
            "variance": 54027.92895
          },
          {
            "average": 0,
            "count": 860908,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 860908,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 860908,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 860908,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 860908,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          599201.4186,
          2398998.497,
          -23.28864942,
          599999.6586,
          2399810.737,
          -3.908649416
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                599201.4186450988,
                2398998.496702092,
                -23.288649415839508
              ],
              [
                599201.4186450988,
                2399810.736702092,
                -23.288649415839508
              ],
              [
                599999.6586450988,
                2399810.736702092,
                -3.908649415839507
              ],
              [
                599999.6586450988,
                2398998.496702092,
                -3.908649415839507
              ],
              [
                599201.4186450988,
                2398998.496702092,
                -23.288649415839508
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:27:29+00:00",
        "end_time": "2013-09-09T21:10:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9999.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9999.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9999.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9999.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0410326,
            21.69155167,
            -23.28864942,
            -158.033268,
            21.69893394,
            -3.908649416
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.04103261447696,
                  21.691596461348077,
                  -23.288649415839508
                ],
                [
                  -158.0409840408257,
                  21.698933935158884,
                  -23.288649415839508
                ],
                [
                  -158.03326799750846,
                  21.698889125194203,
                  -3.908649415839507
                ],
                [
                  -158.0333169623143,
                  21.691551667887442,
                  -3.908649415839507
                ],
                [
                  -158.04103261447696,
                  21.691596461348077,
                  -23.288649415839508
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9999.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9999.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:27:29Z",
            "pc:count": 860908,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 599799.4733,
                "count": 860908,
                "maximum": 599999.6586,
                "minimum": 599201.4186,
                "name": "X",
                "position": 0,
                "stddev": 149.0851154,
                "variance": 22226.37165
              },
              {
                "average": 2399246.905,
                "count": 860908,
                "maximum": 2399810.737,
                "minimum": 2398998.497,
                "name": "Y",
                "position": 1,
                "stddev": 174.6727606,
                "variance": 30510.57328
              },
              {
                "average": -10.5457173,
                "count": 860908,
                "maximum": -3.908649416,
                "minimum": -23.28864942,
                "name": "Z",
                "position": 2,
                "stddev": 2.421434597,
                "variance": 5.863345509
              },
              {
                "average": 17.29674948,
                "count": 860908,
                "maximum": 4953,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.51945828,
                "variance": 1561.787582
              },
              {
                "average": 1.002913203,
                "count": 860908,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05421777254,
                "variance": 0.002939566859
              },
              {
                "average": 1.005091136,
                "count": 860908,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07206243662,
                "variance": 0.005192994771
              },
              {
                "average": 1,
                "count": 860908,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 860908,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 860908,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.0659695,
                "count": 860908,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.946688624,
                "variance": 48.25648284
              },
              {
                "average": 106.7313987,
                "count": 860908,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 73.52999946,
                "variance": 5406.660821
              },
              {
                "average": 1.687613543,
                "count": 860908,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7176211904,
                "variance": 0.514980173
              },
              {
                "average": 62796453.26,
                "count": 860908,
                "maximum": 62797249.31,
                "minimum": 62796246.48,
                "name": "GpsTime",
                "position": 12,
                "stddev": 232.4390865,
                "variance": 54027.92895
              },
              {
                "average": 0,
                "count": 860908,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 860908,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 860908,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 860908,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 860908,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              599201.4186,
              2398998.497,
              -23.28864942,
              599999.6586,
              2399810.737,
              -3.908649416
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    599201.4186450988,
                    2398998.496702092,
                    -23.288649415839508
                  ],
                  [
                    599201.4186450988,
                    2399810.736702092,
                    -23.288649415839508
                  ],
                  [
                    599999.6586450988,
                    2399810.736702092,
                    -3.908649415839507
                  ],
                  [
                    599999.6586450988,
                    2398998.496702092,
                    -3.908649415839507
                  ],
                  [
                    599201.4186450988,
                    2398998.496702092,
                    -23.288649415839508
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:27:29+00:00",
            "end_time": "2013-09-09T21:10:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0053.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.03600046933073,
              21.28457443826743,
              -24.14198085553315
            ],
            [
              -158.03599751042583,
              21.285028489668527,
              -24.14198085553315
            ],
            [
              -158.03295601669632,
              21.285011047813796,
              -17.38198085553315
            ],
            [
              -158.03295898492993,
              21.284556996825962,
              -17.38198085553315
            ],
            [
              -158.03600046933073,
              21.28457443826743,
              -24.14198085553315
            ]
          ]
        ]
      },
      "bbox": [
        -158.0360005,
        21.284557,
        -24.14198086,
        -158.032956,
        21.28502849,
        -17.38198086
      ],
      "properties": {
        "datetime": "2013-09-15T10:21:28Z",
        "pc:count": 7533,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 600124.3436,
            "count": 7533,
            "maximum": 600315.2427,
            "minimum": 599999.7027,
            "name": "X",
            "position": 0,
            "stddev": 82.52317895,
            "variance": 6810.075064
          },
          {
            "average": 2353978.636,
            "count": 7533,
            "maximum": 2353998.448,
            "minimum": 2353948.188,
            "name": "Y",
            "position": 1,
            "stddev": 13.24203659,
            "variance": 175.351533
          },
          {
            "average": -21.59475531,
            "count": 7533,
            "maximum": -17.38198086,
            "minimum": -24.14198086,
            "name": "Z",
            "position": 2,
            "stddev": 1.738405854,
            "variance": 3.022054914
          },
          {
            "average": 186.3795301,
            "count": 7533,
            "maximum": 489,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 105.106617,
            "variance": 11047.40095
          },
          {
            "average": 1.005708217,
            "count": 7533,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07534180095,
            "variance": 0.00567638697
          },
          {
            "average": 1.005840966,
            "count": 7533,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07620774556,
            "variance": 0.005807620483
          },
          {
            "average": 1,
            "count": 7533,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7533,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 7533,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7533,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 248.9138457,
            "count": 7533,
            "maximum": 252,
            "minimum": 94,
            "name": "UserData",
            "position": 10,
            "stddev": 5.660409858,
            "variance": 32.04023976
          },
          {
            "average": 6,
            "count": 7533,
            "maximum": 6,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63275685.55,
            "count": 7533,
            "maximum": 63275688.68,
            "minimum": 63275682.68,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.357983488,
            "variance": 1.844119153
          },
          {
            "average": 0,
            "count": 7533,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7533,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7533,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7533,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7533,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          599999.7027,
          2353948.188,
          -24.14198086,
          600315.2427,
          2353998.448,
          -17.38198086
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                599999.7027134043,
                2353948.188279946,
                -24.14198085553315
              ],
              [
                599999.7027134043,
                2353998.4482799456,
                -24.14198085553315
              ],
              [
                600315.2427134044,
                2353998.4482799456,
                -17.38198085553315
              ],
              [
                600315.2427134044,
                2353948.188279946,
                -17.38198085553315
              ],
              [
                599999.7027134043,
                2353948.188279946,
                -24.14198085553315
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:21:28+00:00",
        "end_time": "2013-09-15T10:21:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0053.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0053.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0053.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0053.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0360005,
            21.284557,
            -24.14198086,
            -158.032956,
            21.28502849,
            -17.38198086
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.03600046933073,
                  21.28457443826743,
                  -24.14198085553315
                ],
                [
                  -158.03599751042583,
                  21.285028489668527,
                  -24.14198085553315
                ],
                [
                  -158.03295601669632,
                  21.285011047813796,
                  -17.38198085553315
                ],
                [
                  -158.03295898492993,
                  21.284556996825962,
                  -17.38198085553315
                ],
                [
                  -158.03600046933073,
                  21.28457443826743,
                  -24.14198085553315
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0053.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0053.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:21:28Z",
            "pc:count": 7533,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 600124.3436,
                "count": 7533,
                "maximum": 600315.2427,
                "minimum": 599999.7027,
                "name": "X",
                "position": 0,
                "stddev": 82.52317895,
                "variance": 6810.075064
              },
              {
                "average": 2353978.636,
                "count": 7533,
                "maximum": 2353998.448,
                "minimum": 2353948.188,
                "name": "Y",
                "position": 1,
                "stddev": 13.24203659,
                "variance": 175.351533
              },
              {
                "average": -21.59475531,
                "count": 7533,
                "maximum": -17.38198086,
                "minimum": -24.14198086,
                "name": "Z",
                "position": 2,
                "stddev": 1.738405854,
                "variance": 3.022054914
              },
              {
                "average": 186.3795301,
                "count": 7533,
                "maximum": 489,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 105.106617,
                "variance": 11047.40095
              },
              {
                "average": 1.005708217,
                "count": 7533,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07534180095,
                "variance": 0.00567638697
              },
              {
                "average": 1.005840966,
                "count": 7533,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07620774556,
                "variance": 0.005807620483
              },
              {
                "average": 1,
                "count": 7533,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7533,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 7533,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7533,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 248.9138457,
                "count": 7533,
                "maximum": 252,
                "minimum": 94,
                "name": "UserData",
                "position": 10,
                "stddev": 5.660409858,
                "variance": 32.04023976
              },
              {
                "average": 6,
                "count": 7533,
                "maximum": 6,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63275685.55,
                "count": 7533,
                "maximum": 63275688.68,
                "minimum": 63275682.68,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.357983488,
                "variance": 1.844119153
              },
              {
                "average": 0,
                "count": 7533,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7533,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7533,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7533,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7533,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              599999.7027,
              2353948.188,
              -24.14198086,
              600315.2427,
              2353998.448,
              -17.38198086
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    599999.7027134043,
                    2353948.188279946,
                    -24.14198085553315
                  ],
                  [
                    599999.7027134043,
                    2353998.4482799456,
                    -24.14198085553315
                  ],
                  [
                    600315.2427134044,
                    2353998.4482799456,
                    -17.38198085553315
                  ],
                  [
                    600315.2427134044,
                    2353948.188279946,
                    -17.38198085553315
                  ],
                  [
                    599999.7027134043,
                    2353948.188279946,
                    -24.14198085553315
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:21:28+00:00",
            "end_time": "2013-09-15T10:21:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8786.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.15965165836496,
              21.57541593323511,
              -7.917871513530088
            ],
            [
              -158.15960313243286,
              21.58382844171267,
              -7.917871513530088
            ],
            [
              -158.14994391590957,
              21.583779419396873,
              40.002128486469914
            ],
            [
              -158.14999300256343,
              21.575366930967768,
              40.002128486469914
            ],
            [
              -158.15965165836496,
              21.57541593323511,
              -7.917871513530088
            ]
          ]
        ]
      },
      "bbox": [
        -158.1596517,
        21.57536693,
        -7.917871514,
        -158.1499439,
        21.58382844,
        40.00212849
      ],
      "properties": {
        "datetime": "2013-09-11T20:41:37Z",
        "pc:count": 6415329,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 587503.1985,
            "count": 6415329,
            "maximum": 587999.6258,
            "minimum": 586999.6058,
            "name": "X",
            "position": 0,
            "stddev": 290.9116555,
            "variance": 84629.59128
          },
          {
            "average": 2386436.087,
            "count": 6415329,
            "maximum": 2386998.473,
            "minimum": 2386067.273,
            "name": "Y",
            "position": 1,
            "stddev": 247.530684,
            "variance": 61271.43952
          },
          {
            "average": 4.86771846,
            "count": 6415329,
            "maximum": 40.00212849,
            "minimum": -7.917871514,
            "name": "Z",
            "position": 2,
            "stddev": 5.011383862,
            "variance": 25.11396822
          },
          {
            "average": 12.42955833,
            "count": 6415329,
            "maximum": 998,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.25787484,
            "variance": 495.4129923
          },
          {
            "average": 1.469455425,
            "count": 6415329,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8465354529,
            "variance": 0.716622273
          },
          {
            "average": 1.929170585,
            "count": 6415329,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.252277935,
            "variance": 1.568200026
          },
          {
            "average": 1,
            "count": 6415329,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6415329,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.844311648,
            "count": 6415329,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.19567062,
            "variance": 125.3430406
          },
          {
            "average": 19.11441565,
            "count": 6415329,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.219671246,
            "variance": 27.24496792
          },
          {
            "average": 90.09551326,
            "count": 6415329,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.60504007,
            "variance": 4570.441443
          },
          {
            "average": 2.904239518,
            "count": 6415329,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.548679638,
            "variance": 2.398408621
          },
          {
            "average": 62888704.3,
            "count": 6415329,
            "maximum": 62967297.99,
            "minimum": 62866378.05,
            "name": "GpsTime",
            "position": 12,
            "stddev": 41281.4966,
            "variance": 1704161961
          },
          {
            "average": 0,
            "count": 6415329,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6415329,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6415329,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6415329,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6415329,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          586999.6058,
          2386067.273,
          -7.917871514,
          587999.6258,
          2386998.473,
          40.00212849
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                586999.6058224328,
                2386067.272620846,
                -7.917871513530088
              ],
              [
                586999.6058224328,
                2386998.4726208462,
                -7.917871513530088
              ],
              [
                587999.6258224328,
                2386998.4726208462,
                40.002128486469914
              ],
              [
                587999.6258224328,
                2386067.272620846,
                40.002128486469914
              ],
              [
                586999.6058224328,
                2386067.272620846,
                -7.917871513530088
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:41:37+00:00",
        "end_time": "2013-09-10T16:39:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8786.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8786.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8786.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8786.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1596517,
            21.57536693,
            -7.917871514,
            -158.1499439,
            21.58382844,
            40.00212849
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.15965165836496,
                  21.57541593323511,
                  -7.917871513530088
                ],
                [
                  -158.15960313243286,
                  21.58382844171267,
                  -7.917871513530088
                ],
                [
                  -158.14994391590957,
                  21.583779419396873,
                  40.002128486469914
                ],
                [
                  -158.14999300256343,
                  21.575366930967768,
                  40.002128486469914
                ],
                [
                  -158.15965165836496,
                  21.57541593323511,
                  -7.917871513530088
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8786.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8786.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:41:37Z",
            "pc:count": 6415329,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 587503.1985,
                "count": 6415329,
                "maximum": 587999.6258,
                "minimum": 586999.6058,
                "name": "X",
                "position": 0,
                "stddev": 290.9116555,
                "variance": 84629.59128
              },
              {
                "average": 2386436.087,
                "count": 6415329,
                "maximum": 2386998.473,
                "minimum": 2386067.273,
                "name": "Y",
                "position": 1,
                "stddev": 247.530684,
                "variance": 61271.43952
              },
              {
                "average": 4.86771846,
                "count": 6415329,
                "maximum": 40.00212849,
                "minimum": -7.917871514,
                "name": "Z",
                "position": 2,
                "stddev": 5.011383862,
                "variance": 25.11396822
              },
              {
                "average": 12.42955833,
                "count": 6415329,
                "maximum": 998,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.25787484,
                "variance": 495.4129923
              },
              {
                "average": 1.469455425,
                "count": 6415329,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8465354529,
                "variance": 0.716622273
              },
              {
                "average": 1.929170585,
                "count": 6415329,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.252277935,
                "variance": 1.568200026
              },
              {
                "average": 1,
                "count": 6415329,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6415329,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.844311648,
                "count": 6415329,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.19567062,
                "variance": 125.3430406
              },
              {
                "average": 19.11441565,
                "count": 6415329,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.219671246,
                "variance": 27.24496792
              },
              {
                "average": 90.09551326,
                "count": 6415329,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.60504007,
                "variance": 4570.441443
              },
              {
                "average": 2.904239518,
                "count": 6415329,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.548679638,
                "variance": 2.398408621
              },
              {
                "average": 62888704.3,
                "count": 6415329,
                "maximum": 62967297.99,
                "minimum": 62866378.05,
                "name": "GpsTime",
                "position": 12,
                "stddev": 41281.4966,
                "variance": 1704161961
              },
              {
                "average": 0,
                "count": 6415329,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6415329,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6415329,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6415329,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6415329,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              586999.6058,
              2386067.273,
              -7.917871514,
              587999.6258,
              2386998.473,
              40.00212849
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    586999.6058224328,
                    2386067.272620846,
                    -7.917871513530088
                  ],
                  [
                    586999.6058224328,
                    2386998.4726208462,
                    -7.917871513530088
                  ],
                  [
                    587999.6258224328,
                    2386998.4726208462,
                    40.002128486469914
                  ],
                  [
                    587999.6258224328,
                    2386067.272620846,
                    40.002128486469914
                  ],
                  [
                    586999.6058224328,
                    2386067.272620846,
                    -7.917871513530088
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:41:37+00:00",
            "end_time": "2013-09-10T16:39:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8369.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.19912976398095,
              21.421402898765788,
              -42.959718738207314
            ],
            [
              -158.19908041092816,
              21.430437246754593,
              -42.959718738207314
            ],
            [
              -158.18943127851773,
              21.430390814232727,
              -6.539718738207313
            ],
            [
              -158.1894812267172,
              21.421356485733533,
              -6.539718738207313
            ],
            [
              -158.19912976398095,
              21.421402898765788,
              -42.959718738207314
            ]
          ]
        ]
      },
      "bbox": [
        -158.1991298,
        21.42135649,
        -42.95971874,
        -158.1894313,
        21.43043725,
        -6.539718738
      ],
      "properties": {
        "datetime": "2013-09-19T00:45:06Z",
        "pc:count": 4568263,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583639.5917,
            "count": 4568263,
            "maximum": 583999.6462,
            "minimum": 582999.6262,
            "name": "X",
            "position": 0,
            "stddev": 269.090123,
            "variance": 72409.49431
          },
          {
            "average": 2369606.86,
            "count": 4568263,
            "maximum": 2369998.46,
            "minimum": 2368998.46,
            "name": "Y",
            "position": 1,
            "stddev": 264.9166084,
            "variance": 70180.80941
          },
          {
            "average": -12.27392711,
            "count": 4568263,
            "maximum": -6.539718738,
            "minimum": -42.95971874,
            "name": "Z",
            "position": 2,
            "stddev": 4.223818412,
            "variance": 17.84064198
          },
          {
            "average": 77.14856303,
            "count": 4568263,
            "maximum": 8790,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 221.0022122,
            "variance": 48841.9778
          },
          {
            "average": 1.008544385,
            "count": 4568263,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09265404387,
            "variance": 0.008584771846
          },
          {
            "average": 1.016607406,
            "count": 4568263,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1292547925,
            "variance": 0.01670680138
          },
          {
            "average": 1,
            "count": 4568263,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4568263,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4568263,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.61421045,
            "count": 4568263,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.127157367,
            "variance": 26.28774266
          },
          {
            "average": 107.9228613,
            "count": 4568263,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 80.7138166,
            "variance": 6514.720191
          },
          {
            "average": 6.546017381,
            "count": 4568263,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.845262855,
            "variance": 14.78604642
          },
          {
            "average": 63156211.61,
            "count": 4568263,
            "maximum": 63586706.54,
            "minimum": 62719746.61,
            "name": "GpsTime",
            "position": 12,
            "stddev": 424589.4239,
            "variance": 180276178900.0
          },
          {
            "average": 0,
            "count": 4568263,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4568263,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4568263,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4568263,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4568263,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582999.6262,
          2368998.46,
          -42.95971874,
          583999.6462,
          2369998.46,
          -6.539718738
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582999.6261687817,
                2368998.460422074,
                -42.959718738207314
              ],
              [
                582999.6261687817,
                2369998.460422074,
                -42.959718738207314
              ],
              [
                583999.6461687817,
                2369998.460422074,
                -6.539718738207313
              ],
              [
                583999.6461687817,
                2368998.460422074,
                -6.539718738207313
              ],
              [
                582999.6261687817,
                2368998.460422074,
                -42.959718738207314
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:45:06+00:00",
        "end_time": "2013-09-08T23:55:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8369.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8369.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8369.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8369.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1991298,
            21.42135649,
            -42.95971874,
            -158.1894313,
            21.43043725,
            -6.539718738
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.19912976398095,
                  21.421402898765788,
                  -42.959718738207314
                ],
                [
                  -158.19908041092816,
                  21.430437246754593,
                  -42.959718738207314
                ],
                [
                  -158.18943127851773,
                  21.430390814232727,
                  -6.539718738207313
                ],
                [
                  -158.1894812267172,
                  21.421356485733533,
                  -6.539718738207313
                ],
                [
                  -158.19912976398095,
                  21.421402898765788,
                  -42.959718738207314
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8369.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8369.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:45:06Z",
            "pc:count": 4568263,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583639.5917,
                "count": 4568263,
                "maximum": 583999.6462,
                "minimum": 582999.6262,
                "name": "X",
                "position": 0,
                "stddev": 269.090123,
                "variance": 72409.49431
              },
              {
                "average": 2369606.86,
                "count": 4568263,
                "maximum": 2369998.46,
                "minimum": 2368998.46,
                "name": "Y",
                "position": 1,
                "stddev": 264.9166084,
                "variance": 70180.80941
              },
              {
                "average": -12.27392711,
                "count": 4568263,
                "maximum": -6.539718738,
                "minimum": -42.95971874,
                "name": "Z",
                "position": 2,
                "stddev": 4.223818412,
                "variance": 17.84064198
              },
              {
                "average": 77.14856303,
                "count": 4568263,
                "maximum": 8790,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 221.0022122,
                "variance": 48841.9778
              },
              {
                "average": 1.008544385,
                "count": 4568263,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09265404387,
                "variance": 0.008584771846
              },
              {
                "average": 1.016607406,
                "count": 4568263,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1292547925,
                "variance": 0.01670680138
              },
              {
                "average": 1,
                "count": 4568263,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4568263,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4568263,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.61421045,
                "count": 4568263,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.127157367,
                "variance": 26.28774266
              },
              {
                "average": 107.9228613,
                "count": 4568263,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 80.7138166,
                "variance": 6514.720191
              },
              {
                "average": 6.546017381,
                "count": 4568263,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.845262855,
                "variance": 14.78604642
              },
              {
                "average": 63156211.61,
                "count": 4568263,
                "maximum": 63586706.54,
                "minimum": 62719746.61,
                "name": "GpsTime",
                "position": 12,
                "stddev": 424589.4239,
                "variance": 180276178900.0
              },
              {
                "average": 0,
                "count": 4568263,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4568263,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4568263,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4568263,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4568263,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582999.6262,
              2368998.46,
              -42.95971874,
              583999.6462,
              2369998.46,
              -6.539718738
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582999.6261687817,
                    2368998.460422074,
                    -42.959718738207314
                  ],
                  [
                    582999.6261687817,
                    2369998.460422074,
                    -42.959718738207314
                  ],
                  [
                    583999.6461687817,
                    2369998.460422074,
                    -6.539718738207313
                  ],
                  [
                    583999.6461687817,
                    2368998.460422074,
                    -6.539718738207313
                  ],
                  [
                    582999.6261687817,
                    2368998.460422074,
                    -42.959718738207314
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:45:06+00:00",
            "end_time": "2013-09-08T23:55:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9756.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.06480051793147,
              21.30325981768483,
              2.028943713789436
            ],
            [
              -158.06477694057978,
              21.30698530211595,
              2.028943713789436
            ],
            [
              -158.05513643492935,
              21.306931422598364,
              23.368943713789434
            ],
            [
              -158.0551602553415,
              21.303205948337993,
              23.368943713789434
            ],
            [
              -158.06480051793147,
              21.30325981768483,
              2.028943713789436
            ]
          ]
        ]
      },
      "bbox": [
        -158.0648005,
        21.30320595,
        2.028943714,
        -158.0551364,
        21.3069853,
        23.36894371
      ],
      "properties": {
        "datetime": "2013-09-16T10:42:20Z",
        "pc:count": 2550889,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 597679.1776,
            "count": 2550889,
            "maximum": 597999.6913,
            "minimum": 596999.6913,
            "name": "X",
            "position": 0,
            "stddev": 243.4216478,
            "variance": 59254.09862
          },
          {
            "average": 2356160.948,
            "count": 2550889,
            "maximum": 2356410.827,
            "minimum": 2355998.447,
            "name": "Y",
            "position": 1,
            "stddev": 107.3607451,
            "variance": 11526.32959
          },
          {
            "average": 9.760599544,
            "count": 2550889,
            "maximum": 23.36894371,
            "minimum": 2.028943714,
            "name": "Z",
            "position": 2,
            "stddev": 4.572604156,
            "variance": 20.90870877
          },
          {
            "average": 6.691671805,
            "count": 2550889,
            "maximum": 808,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.16551374,
            "variance": 229.992807
          },
          {
            "average": 2.166914358,
            "count": 2550889,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.140873314,
            "variance": 1.301591918
          },
          {
            "average": 3.239228363,
            "count": 2550889,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.321121509,
            "variance": 1.745362042
          },
          {
            "average": 1,
            "count": 2550889,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2550889,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.134928646,
            "count": 2550889,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3416474097,
            "variance": 0.1167229526
          },
          {
            "average": 0,
            "count": 2550889,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.45000704,
            "count": 2550889,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.4749254,
            "variance": 4688.815408
          },
          {
            "average": 4.858446996,
            "count": 2550889,
            "maximum": 7,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8924603387,
            "variance": 0.7964854561
          },
          {
            "average": 63361112.49,
            "count": 2550889,
            "maximum": 63363340.14,
            "minimum": 63360349.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 877.0177184,
            "variance": 769160.0785
          },
          {
            "average": 0,
            "count": 2550889,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2550889,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2550889,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2550889,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2550889,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          596999.6913,
          2355998.447,
          2.028943714,
          597999.6913,
          2356410.827,
          23.36894371
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                596999.691257739,
                2355998.4471613,
                2.028943713789436
              ],
              [
                596999.691257739,
                2356410.8271613,
                2.028943713789436
              ],
              [
                597999.691257739,
                2356410.8271613,
                23.368943713789434
              ],
              [
                597999.691257739,
                2355998.4471613,
                23.368943713789434
              ],
              [
                596999.691257739,
                2355998.4471613,
                2.028943713789436
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:42:20+00:00",
        "end_time": "2013-09-16T09:52:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9756.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9756.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9756.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9756.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0648005,
            21.30320595,
            2.028943714,
            -158.0551364,
            21.3069853,
            23.36894371
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.06480051793147,
                  21.30325981768483,
                  2.028943713789436
                ],
                [
                  -158.06477694057978,
                  21.30698530211595,
                  2.028943713789436
                ],
                [
                  -158.05513643492935,
                  21.306931422598364,
                  23.368943713789434
                ],
                [
                  -158.0551602553415,
                  21.303205948337993,
                  23.368943713789434
                ],
                [
                  -158.06480051793147,
                  21.30325981768483,
                  2.028943713789436
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9756.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9756.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:42:20Z",
            "pc:count": 2550889,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 597679.1776,
                "count": 2550889,
                "maximum": 597999.6913,
                "minimum": 596999.6913,
                "name": "X",
                "position": 0,
                "stddev": 243.4216478,
                "variance": 59254.09862
              },
              {
                "average": 2356160.948,
                "count": 2550889,
                "maximum": 2356410.827,
                "minimum": 2355998.447,
                "name": "Y",
                "position": 1,
                "stddev": 107.3607451,
                "variance": 11526.32959
              },
              {
                "average": 9.760599544,
                "count": 2550889,
                "maximum": 23.36894371,
                "minimum": 2.028943714,
                "name": "Z",
                "position": 2,
                "stddev": 4.572604156,
                "variance": 20.90870877
              },
              {
                "average": 6.691671805,
                "count": 2550889,
                "maximum": 808,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.16551374,
                "variance": 229.992807
              },
              {
                "average": 2.166914358,
                "count": 2550889,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.140873314,
                "variance": 1.301591918
              },
              {
                "average": 3.239228363,
                "count": 2550889,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.321121509,
                "variance": 1.745362042
              },
              {
                "average": 1,
                "count": 2550889,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2550889,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.134928646,
                "count": 2550889,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3416474097,
                "variance": 0.1167229526
              },
              {
                "average": 0,
                "count": 2550889,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.45000704,
                "count": 2550889,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.4749254,
                "variance": 4688.815408
              },
              {
                "average": 4.858446996,
                "count": 2550889,
                "maximum": 7,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8924603387,
                "variance": 0.7964854561
              },
              {
                "average": 63361112.49,
                "count": 2550889,
                "maximum": 63363340.14,
                "minimum": 63360349.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 877.0177184,
                "variance": 769160.0785
              },
              {
                "average": 0,
                "count": 2550889,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2550889,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2550889,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2550889,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2550889,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              596999.6913,
              2355998.447,
              2.028943714,
              597999.6913,
              2356410.827,
              23.36894371
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    596999.691257739,
                    2355998.4471613,
                    2.028943713789436
                  ],
                  [
                    596999.691257739,
                    2356410.8271613,
                    2.028943713789436
                  ],
                  [
                    597999.691257739,
                    2356410.8271613,
                    23.368943713789434
                  ],
                  [
                    597999.691257739,
                    2355998.4471613,
                    23.368943713789434
                  ],
                  [
                    596999.691257739,
                    2355998.4471613,
                    2.028943713789436
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:42:20+00:00",
            "end_time": "2013-09-16T09:52:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0054.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.03599750914987,
              21.285028501257802,
              -33.66693249643121
            ],
            [
              -158.03593862068476,
              21.29406254742149,
              -33.66693249643121
            ],
            [
              -158.02629903020448,
              21.29400705756007,
              -7.106932496431206
            ],
            [
              -158.02635850726188,
              21.284973037320885,
              -7.106932496431206
            ],
            [
              -158.03599750914987,
              21.285028501257802,
              -33.66693249643121
            ]
          ]
        ]
      },
      "bbox": [
        -158.0359975,
        21.28497304,
        -33.6669325,
        -158.026299,
        21.29406255,
        -7.106932496
      ],
      "properties": {
        "datetime": "2013-09-17T12:18:20Z",
        "pc:count": 3042792,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 600452.827,
            "count": 3042792,
            "maximum": 600999.7028,
            "minimum": 599999.7028,
            "name": "X",
            "position": 0,
            "stddev": 283.2767792,
            "variance": 80245.73364
          },
          {
            "average": 2354681.07,
            "count": 3042792,
            "maximum": 2354998.45,
            "minimum": 2353998.45,
            "name": "Y",
            "position": 1,
            "stddev": 222.9338562,
            "variance": 49699.50422
          },
          {
            "average": -12.00885645,
            "count": 3042792,
            "maximum": -7.106932496,
            "minimum": -33.6669325,
            "name": "Z",
            "position": 2,
            "stddev": 3.334694132,
            "variance": 11.12018496
          },
          {
            "average": 37.31746041,
            "count": 3042792,
            "maximum": 1236,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 87.42779263,
            "variance": 7643.618924
          },
          {
            "average": 1.000760814,
            "count": 3042792,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02759620271,
            "variance": 0.0007615504038
          },
          {
            "average": 1.000937626,
            "count": 3042792,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03065996297,
            "variance": 0.0009400333292
          },
          {
            "average": 1,
            "count": 3042792,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3042792,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3042792,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3042792,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 113.8205674,
            "count": 3042792,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 81.68030575,
            "variance": 6671.672348
          },
          {
            "average": 5.771040544,
            "count": 3042792,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.978057429,
            "variance": 24.78105576
          },
          {
            "average": 63352753.27,
            "count": 3042792,
            "maximum": 63455500.65,
            "minimum": 63275670.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 69854.89909,
            "variance": 4879706926
          },
          {
            "average": 0,
            "count": 3042792,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3042792,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3042792,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3042792,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3042792,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          599999.7028,
          2353998.45,
          -33.6669325,
          600999.7028,
          2354998.45,
          -7.106932496
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                599999.7028379373,
                2353998.44956355,
                -33.66693249643121
              ],
              [
                599999.7028379373,
                2354998.44956355,
                -33.66693249643121
              ],
              [
                600999.7028379373,
                2354998.44956355,
                -7.106932496431206
              ],
              [
                600999.7028379373,
                2353998.44956355,
                -7.106932496431206
              ],
              [
                599999.7028379373,
                2353998.44956355,
                -33.66693249643121
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:18:20+00:00",
        "end_time": "2013-09-15T10:21:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0054.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0054.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0054.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0054.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0359975,
            21.28497304,
            -33.6669325,
            -158.026299,
            21.29406255,
            -7.106932496
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.03599750914987,
                  21.285028501257802,
                  -33.66693249643121
                ],
                [
                  -158.03593862068476,
                  21.29406254742149,
                  -33.66693249643121
                ],
                [
                  -158.02629903020448,
                  21.29400705756007,
                  -7.106932496431206
                ],
                [
                  -158.02635850726188,
                  21.284973037320885,
                  -7.106932496431206
                ],
                [
                  -158.03599750914987,
                  21.285028501257802,
                  -33.66693249643121
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0054.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0054.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:18:20Z",
            "pc:count": 3042792,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 600452.827,
                "count": 3042792,
                "maximum": 600999.7028,
                "minimum": 599999.7028,
                "name": "X",
                "position": 0,
                "stddev": 283.2767792,
                "variance": 80245.73364
              },
              {
                "average": 2354681.07,
                "count": 3042792,
                "maximum": 2354998.45,
                "minimum": 2353998.45,
                "name": "Y",
                "position": 1,
                "stddev": 222.9338562,
                "variance": 49699.50422
              },
              {
                "average": -12.00885645,
                "count": 3042792,
                "maximum": -7.106932496,
                "minimum": -33.6669325,
                "name": "Z",
                "position": 2,
                "stddev": 3.334694132,
                "variance": 11.12018496
              },
              {
                "average": 37.31746041,
                "count": 3042792,
                "maximum": 1236,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 87.42779263,
                "variance": 7643.618924
              },
              {
                "average": 1.000760814,
                "count": 3042792,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02759620271,
                "variance": 0.0007615504038
              },
              {
                "average": 1.000937626,
                "count": 3042792,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03065996297,
                "variance": 0.0009400333292
              },
              {
                "average": 1,
                "count": 3042792,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3042792,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3042792,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3042792,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 113.8205674,
                "count": 3042792,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 81.68030575,
                "variance": 6671.672348
              },
              {
                "average": 5.771040544,
                "count": 3042792,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.978057429,
                "variance": 24.78105576
              },
              {
                "average": 63352753.27,
                "count": 3042792,
                "maximum": 63455500.65,
                "minimum": 63275670.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 69854.89909,
                "variance": 4879706926
              },
              {
                "average": 0,
                "count": 3042792,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3042792,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3042792,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3042792,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3042792,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              599999.7028,
              2353998.45,
              -33.6669325,
              600999.7028,
              2354998.45,
              -7.106932496
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    599999.7028379373,
                    2353998.44956355,
                    -33.66693249643121
                  ],
                  [
                    599999.7028379373,
                    2354998.44956355,
                    -33.66693249643121
                  ],
                  [
                    600999.7028379373,
                    2354998.44956355,
                    -7.106932496431206
                  ],
                  [
                    600999.7028379373,
                    2353998.44956355,
                    -7.106932496431206
                  ],
                  [
                    599999.7028379373,
                    2353998.44956355,
                    -33.66693249643121
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:18:20+00:00",
            "end_time": "2013-09-15T10:21:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0357.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.00689840559852,
              21.3119622664512,
              -0.425604668890969
            ],
            [
              -158.0068548778346,
              21.318435447165655,
              -0.425604668890969
            ],
            [
              -157.99721378489807,
              21.318378240740216,
              33.51439533110903
            ],
            [
              -157.99725773581972,
              21.31190507860308,
              33.51439533110903
            ],
            [
              -158.00689840559852,
              21.3119622664512,
              -0.425604668890969
            ]
          ]
        ]
      },
      "bbox": [
        -158.0068984,
        21.31190508,
        -0.4256046689,
        -157.9972138,
        21.31843545,
        33.51439533
      ],
      "properties": {
        "datetime": "2013-09-16T09:47:02Z",
        "pc:count": 3930661,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 603599.558,
            "count": 3930661,
            "maximum": 603999.7146,
            "minimum": 602999.7146,
            "name": "X",
            "position": 0,
            "stddev": 265.0829518,
            "variance": 70268.97136
          },
          {
            "average": 2357314.214,
            "count": 3930661,
            "maximum": 2357714.981,
            "minimum": 2356998.441,
            "name": "Y",
            "position": 1,
            "stddev": 182.4666191,
            "variance": 33294.0671
          },
          {
            "average": 5.923723805,
            "count": 3930661,
            "maximum": 33.51439533,
            "minimum": -0.4256046689,
            "name": "Z",
            "position": 2,
            "stddev": 3.688822706,
            "variance": 13.60741296
          },
          {
            "average": 14.70679944,
            "count": 3930661,
            "maximum": 878,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.76277341,
            "variance": 946.3482282
          },
          {
            "average": 1.715622131,
            "count": 3930661,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9680828706,
            "variance": 0.9371844444
          },
          {
            "average": 2.364832276,
            "count": 3930661,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.302464019,
            "variance": 1.696412521
          },
          {
            "average": 1,
            "count": 3930661,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3930661,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.19234373,
            "count": 3930661,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.7374703826,
            "variance": 0.5438625652
          },
          {
            "average": 0,
            "count": 3930661,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.26210274,
            "count": 3930661,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.00425357,
            "variance": 4489.569996
          },
          {
            "average": 3.593589475,
            "count": 3930661,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.875390441,
            "variance": 8.267870187
          },
          {
            "average": 63312646.54,
            "count": 3930661,
            "maximum": 63360022.17,
            "minimum": 63277081.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 35244.80976,
            "variance": 1242196615
          },
          {
            "average": 0,
            "count": 3930661,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3930661,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3930661,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3930661,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3930661,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          602999.7146,
          2356998.441,
          -0.4256046689,
          603999.7146,
          2357714.981,
          33.51439533
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                602999.7145762215,
                2356998.441333752,
                -0.425604668890969
              ],
              [
                602999.7145762215,
                2357714.981333752,
                -0.425604668890969
              ],
              [
                603999.7145762215,
                2357714.981333752,
                33.51439533110903
              ],
              [
                603999.7145762215,
                2356998.441333752,
                33.51439533110903
              ],
              [
                602999.7145762215,
                2356998.441333752,
                -0.425604668890969
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:47:02+00:00",
        "end_time": "2013-09-15T10:44:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0357.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0357.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0357.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0357.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0068984,
            21.31190508,
            -0.4256046689,
            -157.9972138,
            21.31843545,
            33.51439533
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.00689840559852,
                  21.3119622664512,
                  -0.425604668890969
                ],
                [
                  -158.0068548778346,
                  21.318435447165655,
                  -0.425604668890969
                ],
                [
                  -157.99721378489807,
                  21.318378240740216,
                  33.51439533110903
                ],
                [
                  -157.99725773581972,
                  21.31190507860308,
                  33.51439533110903
                ],
                [
                  -158.00689840559852,
                  21.3119622664512,
                  -0.425604668890969
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0357.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0357.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:47:02Z",
            "pc:count": 3930661,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 603599.558,
                "count": 3930661,
                "maximum": 603999.7146,
                "minimum": 602999.7146,
                "name": "X",
                "position": 0,
                "stddev": 265.0829518,
                "variance": 70268.97136
              },
              {
                "average": 2357314.214,
                "count": 3930661,
                "maximum": 2357714.981,
                "minimum": 2356998.441,
                "name": "Y",
                "position": 1,
                "stddev": 182.4666191,
                "variance": 33294.0671
              },
              {
                "average": 5.923723805,
                "count": 3930661,
                "maximum": 33.51439533,
                "minimum": -0.4256046689,
                "name": "Z",
                "position": 2,
                "stddev": 3.688822706,
                "variance": 13.60741296
              },
              {
                "average": 14.70679944,
                "count": 3930661,
                "maximum": 878,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.76277341,
                "variance": 946.3482282
              },
              {
                "average": 1.715622131,
                "count": 3930661,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9680828706,
                "variance": 0.9371844444
              },
              {
                "average": 2.364832276,
                "count": 3930661,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.302464019,
                "variance": 1.696412521
              },
              {
                "average": 1,
                "count": 3930661,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3930661,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.19234373,
                "count": 3930661,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.7374703826,
                "variance": 0.5438625652
              },
              {
                "average": 0,
                "count": 3930661,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.26210274,
                "count": 3930661,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.00425357,
                "variance": 4489.569996
              },
              {
                "average": 3.593589475,
                "count": 3930661,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.875390441,
                "variance": 8.267870187
              },
              {
                "average": 63312646.54,
                "count": 3930661,
                "maximum": 63360022.17,
                "minimum": 63277081.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 35244.80976,
                "variance": 1242196615
              },
              {
                "average": 0,
                "count": 3930661,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3930661,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3930661,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3930661,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3930661,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              602999.7146,
              2356998.441,
              -0.4256046689,
              603999.7146,
              2357714.981,
              33.51439533
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    602999.7145762215,
                    2356998.441333752,
                    -0.425604668890969
                  ],
                  [
                    602999.7145762215,
                    2357714.981333752,
                    -0.425604668890969
                  ],
                  [
                    603999.7145762215,
                    2357714.981333752,
                    33.51439533110903
                  ],
                  [
                    603999.7145762215,
                    2356998.441333752,
                    33.51439533110903
                  ],
                  [
                    602999.7145762215,
                    2356998.441333752,
                    -0.425604668890969
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:47:02+00:00",
            "end_time": "2013-09-15T10:44:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej9792.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.06267615202097,
              21.635761811345652,
              1.793679803567478
            ],
            [
              -158.06266483699497,
              21.637515804000028,
              1.793679803567478
            ],
            [
              -158.05866406700156,
              21.637493189054165,
              98.33367980356749
            ],
            [
              -158.05867543041504,
              21.635739198377888,
              98.33367980356749
            ],
            [
              -158.06267615202097,
              21.635761811345652,
              1.793679803567478
            ]
          ]
        ]
      },
      "bbox": [
        -158.0626762,
        21.6357392,
        1.793679804,
        -158.0586641,
        21.6375158,
        98.3336798
      ],
      "properties": {
        "datetime": "2013-09-11T20:59:07Z",
        "pc:count": 266337,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 597128.6211,
            "count": 266337,
            "maximum": 597413.7124,
            "minimum": 596999.6524,
            "name": "X",
            "position": 0,
            "stddev": 107.4016588,
            "variance": 11535.11631
          },
          {
            "average": 2392953.093,
            "count": 266337,
            "maximum": 2392998.491,
            "minimum": 2392804.331,
            "name": "Y",
            "position": 1,
            "stddev": 41.2156239,
            "variance": 1698.727653
          },
          {
            "average": 77.79877001,
            "count": 266337,
            "maximum": 98.3336798,
            "minimum": 1.793679804,
            "name": "Z",
            "position": 2,
            "stddev": 27.86078274,
            "variance": 776.2232149
          },
          {
            "average": 4.97893646,
            "count": 266337,
            "maximum": 143,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 7.923704809,
            "variance": 62.7850979
          },
          {
            "average": 2.217198512,
            "count": 266337,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.111049649,
            "variance": 1.234431322
          },
          {
            "average": 3.420290835,
            "count": 266337,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.179894702,
            "variance": 1.392151509
          },
          {
            "average": 1,
            "count": 266337,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 266337,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.073283096,
            "count": 266337,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2606011109,
            "variance": 0.06791293902
          },
          {
            "average": 24.27125085,
            "count": 266337,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.781976255,
            "variance": 22.86729691
          },
          {
            "average": 90.91273837,
            "count": 266337,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.99448184,
            "variance": 4623.249561
          },
          {
            "average": 2,
            "count": 266337,
            "maximum": 2,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62968344.23,
            "count": 266337,
            "maximum": 62968347.65,
            "minimum": 62968339.95,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2.065974987,
            "variance": 4.268252646
          },
          {
            "average": 0,
            "count": 266337,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 266337,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 266337,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 266337,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 266337,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          596999.6524,
          2392804.331,
          1.793679804,
          597413.7124,
          2392998.491,
          98.3336798
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                596999.65240483,
                2392804.3314871173,
                1.793679803567478
              ],
              [
                596999.65240483,
                2392998.4914871175,
                1.793679803567478
              ],
              [
                597413.71240483,
                2392998.4914871175,
                98.33367980356749
              ],
              [
                597413.71240483,
                2392804.3314871173,
                98.33367980356749
              ],
              [
                596999.65240483,
                2392804.3314871173,
                1.793679803567478
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:59:07+00:00",
        "end_time": "2013-09-11T20:58:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej9792.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej9792.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej9792.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej9792.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0626762,
            21.6357392,
            1.793679804,
            -158.0586641,
            21.6375158,
            98.3336798
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.06267615202097,
                  21.635761811345652,
                  1.793679803567478
                ],
                [
                  -158.06266483699497,
                  21.637515804000028,
                  1.793679803567478
                ],
                [
                  -158.05866406700156,
                  21.637493189054165,
                  98.33367980356749
                ],
                [
                  -158.05867543041504,
                  21.635739198377888,
                  98.33367980356749
                ],
                [
                  -158.06267615202097,
                  21.635761811345652,
                  1.793679803567478
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej9792.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej9792.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:59:07Z",
            "pc:count": 266337,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 597128.6211,
                "count": 266337,
                "maximum": 597413.7124,
                "minimum": 596999.6524,
                "name": "X",
                "position": 0,
                "stddev": 107.4016588,
                "variance": 11535.11631
              },
              {
                "average": 2392953.093,
                "count": 266337,
                "maximum": 2392998.491,
                "minimum": 2392804.331,
                "name": "Y",
                "position": 1,
                "stddev": 41.2156239,
                "variance": 1698.727653
              },
              {
                "average": 77.79877001,
                "count": 266337,
                "maximum": 98.3336798,
                "minimum": 1.793679804,
                "name": "Z",
                "position": 2,
                "stddev": 27.86078274,
                "variance": 776.2232149
              },
              {
                "average": 4.97893646,
                "count": 266337,
                "maximum": 143,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 7.923704809,
                "variance": 62.7850979
              },
              {
                "average": 2.217198512,
                "count": 266337,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.111049649,
                "variance": 1.234431322
              },
              {
                "average": 3.420290835,
                "count": 266337,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.179894702,
                "variance": 1.392151509
              },
              {
                "average": 1,
                "count": 266337,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 266337,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.073283096,
                "count": 266337,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2606011109,
                "variance": 0.06791293902
              },
              {
                "average": 24.27125085,
                "count": 266337,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.781976255,
                "variance": 22.86729691
              },
              {
                "average": 90.91273837,
                "count": 266337,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.99448184,
                "variance": 4623.249561
              },
              {
                "average": 2,
                "count": 266337,
                "maximum": 2,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62968344.23,
                "count": 266337,
                "maximum": 62968347.65,
                "minimum": 62968339.95,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2.065974987,
                "variance": 4.268252646
              },
              {
                "average": 0,
                "count": 266337,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 266337,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 266337,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 266337,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 266337,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              596999.6524,
              2392804.331,
              1.793679804,
              597413.7124,
              2392998.491,
              98.3336798
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    596999.65240483,
                    2392804.3314871173,
                    1.793679803567478
                  ],
                  [
                    596999.65240483,
                    2392998.4914871175,
                    1.793679803567478
                  ],
                  [
                    597413.71240483,
                    2392998.4914871175,
                    98.33367980356749
                  ],
                  [
                    597413.71240483,
                    2392804.3314871173,
                    98.33367980356749
                  ],
                  [
                    596999.65240483,
                    2392804.3314871173,
                    1.793679803567478
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:59:07+00:00",
            "end_time": "2013-09-11T20:58:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9555.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0841371563486,
              21.294331852055063,
              -4.55189877384752
            ],
            [
              -158.08408711125603,
              21.302408936609073,
              -4.55189877384752
            ],
            [
              -158.07444687610592,
              21.302356145378944,
              16.728101226152482
            ],
            [
              -158.07449744688705,
              21.29427908333055,
              16.728101226152482
            ],
            [
              -158.0841371563486,
              21.294331852055063,
              -4.55189877384752
            ]
          ]
        ]
      },
      "bbox": [
        -158.0841372,
        21.29427908,
        -4.551898774,
        -158.0744469,
        21.30240894,
        16.72810123
      ],
      "properties": {
        "datetime": "2013-09-16T11:46:42Z",
        "pc:count": 3065529,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 595501.1606,
            "count": 3065529,
            "maximum": 595999.6835,
            "minimum": 594999.6835,
            "name": "X",
            "position": 0,
            "stddev": 289.4072223,
            "variance": 83756.5403
          },
          {
            "average": 2355465.676,
            "count": 3065529,
            "maximum": 2355892.516,
            "minimum": 2354998.456,
            "name": "Y",
            "position": 1,
            "stddev": 229.1407494,
            "variance": 52505.48304
          },
          {
            "average": 2.498151384,
            "count": 3065529,
            "maximum": 16.72810123,
            "minimum": -4.551898774,
            "name": "Z",
            "position": 2,
            "stddev": 3.106794913,
            "variance": 9.652174629
          },
          {
            "average": 33.61315845,
            "count": 3065529,
            "maximum": 3658,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 52.40933726,
            "variance": 2746.738633
          },
          {
            "average": 1.1012132,
            "count": 3065529,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4170464565,
            "variance": 0.1739277469
          },
          {
            "average": 1.190391936,
            "count": 3065529,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6334512784,
            "variance": 0.4012605222
          },
          {
            "average": 1,
            "count": 3065529,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3065529,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.32572421,
            "count": 3065529,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.90763621,
            "variance": 166.6070725
          },
          {
            "average": 0,
            "count": 3065529,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.08518399,
            "count": 3065529,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.11516096,
            "variance": 4504.444831
          },
          {
            "average": 8.349978421,
            "count": 3065529,
            "maximum": 12,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.48098463,
            "variance": 2.193315475
          },
          {
            "average": 63364351.48,
            "count": 3065529,
            "maximum": 63367202.25,
            "minimum": 63363290.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1203.1873,
            "variance": 1447659.679
          },
          {
            "average": 0,
            "count": 3065529,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3065529,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3065529,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3065529,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3065529,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594999.6835,
          2354998.456,
          -4.551898774,
          595999.6835,
          2355892.516,
          16.72810123
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594999.6834502305,
                2354998.45631875,
                -4.55189877384752
              ],
              [
                594999.6834502305,
                2355892.5163187496,
                -4.55189877384752
              ],
              [
                595999.6834502305,
                2355892.5163187496,
                16.728101226152482
              ],
              [
                595999.6834502305,
                2354998.45631875,
                16.728101226152482
              ],
              [
                594999.6834502305,
                2354998.45631875,
                -4.55189877384752
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:46:42+00:00",
        "end_time": "2013-09-16T10:41:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9555.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9555.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9555.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9555.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0841372,
            21.29427908,
            -4.551898774,
            -158.0744469,
            21.30240894,
            16.72810123
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0841371563486,
                  21.294331852055063,
                  -4.55189877384752
                ],
                [
                  -158.08408711125603,
                  21.302408936609073,
                  -4.55189877384752
                ],
                [
                  -158.07444687610592,
                  21.302356145378944,
                  16.728101226152482
                ],
                [
                  -158.07449744688705,
                  21.29427908333055,
                  16.728101226152482
                ],
                [
                  -158.0841371563486,
                  21.294331852055063,
                  -4.55189877384752
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9555.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9555.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:46:42Z",
            "pc:count": 3065529,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 595501.1606,
                "count": 3065529,
                "maximum": 595999.6835,
                "minimum": 594999.6835,
                "name": "X",
                "position": 0,
                "stddev": 289.4072223,
                "variance": 83756.5403
              },
              {
                "average": 2355465.676,
                "count": 3065529,
                "maximum": 2355892.516,
                "minimum": 2354998.456,
                "name": "Y",
                "position": 1,
                "stddev": 229.1407494,
                "variance": 52505.48304
              },
              {
                "average": 2.498151384,
                "count": 3065529,
                "maximum": 16.72810123,
                "minimum": -4.551898774,
                "name": "Z",
                "position": 2,
                "stddev": 3.106794913,
                "variance": 9.652174629
              },
              {
                "average": 33.61315845,
                "count": 3065529,
                "maximum": 3658,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 52.40933726,
                "variance": 2746.738633
              },
              {
                "average": 1.1012132,
                "count": 3065529,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4170464565,
                "variance": 0.1739277469
              },
              {
                "average": 1.190391936,
                "count": 3065529,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6334512784,
                "variance": 0.4012605222
              },
              {
                "average": 1,
                "count": 3065529,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3065529,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.32572421,
                "count": 3065529,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.90763621,
                "variance": 166.6070725
              },
              {
                "average": 0,
                "count": 3065529,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.08518399,
                "count": 3065529,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.11516096,
                "variance": 4504.444831
              },
              {
                "average": 8.349978421,
                "count": 3065529,
                "maximum": 12,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.48098463,
                "variance": 2.193315475
              },
              {
                "average": 63364351.48,
                "count": 3065529,
                "maximum": 63367202.25,
                "minimum": 63363290.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1203.1873,
                "variance": 1447659.679
              },
              {
                "average": 0,
                "count": 3065529,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3065529,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3065529,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3065529,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3065529,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594999.6835,
              2354998.456,
              -4.551898774,
              595999.6835,
              2355892.516,
              16.72810123
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594999.6834502305,
                    2354998.45631875,
                    -4.55189877384752
                  ],
                  [
                    594999.6834502305,
                    2355892.5163187496,
                    -4.55189877384752
                  ],
                  [
                    595999.6834502305,
                    2355892.5163187496,
                    16.728101226152482
                  ],
                  [
                    595999.6834502305,
                    2354998.45631875,
                    16.728101226152482
                  ],
                  [
                    594999.6834502305,
                    2354998.45631875,
                    -4.55189877384752
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:46:42+00:00",
            "end_time": "2013-09-16T10:41:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej8987.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1402849414175,
              21.583729870024104,
              -29.9899672440151
            ],
            [
              -158.14023160471388,
              21.59276386697283,
              -29.9899672440151
            ],
            [
              -158.1305720468755,
              21.59271370049676,
              25.7900327559849
            ],
            [
              -158.13062598332772,
              21.58367972612894,
              25.7900327559849
            ],
            [
              -158.1402849414175,
              21.583729870024104,
              -29.9899672440151
            ]
          ]
        ]
      },
      "bbox": [
        -158.1402849,
        21.58367973,
        -29.98996724,
        -158.130572,
        21.59276387,
        25.79003276
      ],
      "properties": {
        "datetime": "2013-09-10T17:55:18Z",
        "pc:count": 2804017,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 589402.0087,
            "count": 2804017,
            "maximum": 589999.6241,
            "minimum": 588999.6241,
            "name": "X",
            "position": 0,
            "stddev": 255.6792054,
            "variance": 65371.85606
          },
          {
            "average": 2387491.175,
            "count": 2804017,
            "maximum": 2387998.476,
            "minimum": 2386998.476,
            "name": "Y",
            "position": 1,
            "stddev": 297.4544132,
            "variance": 88479.12794
          },
          {
            "average": -3.245009392,
            "count": 2804017,
            "maximum": 25.79003276,
            "minimum": -29.98996724,
            "name": "Z",
            "position": 2,
            "stddev": 3.246284598,
            "variance": 10.53836369
          },
          {
            "average": 4.658192871,
            "count": 2804017,
            "maximum": 918,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 13.62360129,
            "variance": 185.6025122
          },
          {
            "average": 1.071364047,
            "count": 2804017,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2767683389,
            "variance": 0.07660071343
          },
          {
            "average": 1.094557915,
            "count": 2804017,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3399236701,
            "variance": 0.1155481015
          },
          {
            "average": 1,
            "count": 2804017,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2804017,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.24184803,
            "count": 2804017,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.525762205,
            "variance": 20.48252354
          },
          {
            "average": 16.5348368,
            "count": 2804017,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.271234583,
            "variance": 68.41332152
          },
          {
            "average": 91.30000068,
            "count": 2804017,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 75.21131905,
            "variance": 5656.742514
          },
          {
            "average": 6.92162708,
            "count": 2804017,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.694134372,
            "variance": 2.870091271
          },
          {
            "average": 62868828.91,
            "count": 2804017,
            "maximum": 62870918.83,
            "minimum": 62799662.75,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6701.686431,
            "variance": 44912601.02
          },
          {
            "average": 0,
            "count": 2804017,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2804017,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2804017,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2804017,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2804017,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588999.6241,
          2386998.476,
          -29.98996724,
          589999.6241,
          2387998.476,
          25.79003276
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588999.6241071568,
                2386998.4762919582,
                -29.9899672440151
              ],
              [
                588999.6241071568,
                2387998.4762919582,
                -29.9899672440151
              ],
              [
                589999.6241071568,
                2387998.4762919582,
                25.7900327559849
              ],
              [
                589999.6241071568,
                2386998.4762919582,
                25.7900327559849
              ],
              [
                588999.6241071568,
                2386998.4762919582,
                -29.9899672440151
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:55:18+00:00",
        "end_time": "2013-09-09T22:07:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej8987.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej8987.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej8987.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej8987.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1402849,
            21.58367973,
            -29.98996724,
            -158.130572,
            21.59276387,
            25.79003276
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1402849414175,
                  21.583729870024104,
                  -29.9899672440151
                ],
                [
                  -158.14023160471388,
                  21.59276386697283,
                  -29.9899672440151
                ],
                [
                  -158.1305720468755,
                  21.59271370049676,
                  25.7900327559849
                ],
                [
                  -158.13062598332772,
                  21.58367972612894,
                  25.7900327559849
                ],
                [
                  -158.1402849414175,
                  21.583729870024104,
                  -29.9899672440151
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej8987.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej8987.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:55:18Z",
            "pc:count": 2804017,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 589402.0087,
                "count": 2804017,
                "maximum": 589999.6241,
                "minimum": 588999.6241,
                "name": "X",
                "position": 0,
                "stddev": 255.6792054,
                "variance": 65371.85606
              },
              {
                "average": 2387491.175,
                "count": 2804017,
                "maximum": 2387998.476,
                "minimum": 2386998.476,
                "name": "Y",
                "position": 1,
                "stddev": 297.4544132,
                "variance": 88479.12794
              },
              {
                "average": -3.245009392,
                "count": 2804017,
                "maximum": 25.79003276,
                "minimum": -29.98996724,
                "name": "Z",
                "position": 2,
                "stddev": 3.246284598,
                "variance": 10.53836369
              },
              {
                "average": 4.658192871,
                "count": 2804017,
                "maximum": 918,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 13.62360129,
                "variance": 185.6025122
              },
              {
                "average": 1.071364047,
                "count": 2804017,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2767683389,
                "variance": 0.07660071343
              },
              {
                "average": 1.094557915,
                "count": 2804017,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3399236701,
                "variance": 0.1155481015
              },
              {
                "average": 1,
                "count": 2804017,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2804017,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.24184803,
                "count": 2804017,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.525762205,
                "variance": 20.48252354
              },
              {
                "average": 16.5348368,
                "count": 2804017,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.271234583,
                "variance": 68.41332152
              },
              {
                "average": 91.30000068,
                "count": 2804017,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 75.21131905,
                "variance": 5656.742514
              },
              {
                "average": 6.92162708,
                "count": 2804017,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.694134372,
                "variance": 2.870091271
              },
              {
                "average": 62868828.91,
                "count": 2804017,
                "maximum": 62870918.83,
                "minimum": 62799662.75,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6701.686431,
                "variance": 44912601.02
              },
              {
                "average": 0,
                "count": 2804017,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2804017,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2804017,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2804017,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2804017,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588999.6241,
              2386998.476,
              -29.98996724,
              589999.6241,
              2387998.476,
              25.79003276
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588999.6241071568,
                    2386998.4762919582,
                    -29.9899672440151
                  ],
                  [
                    588999.6241071568,
                    2387998.4762919582,
                    -29.9899672440151
                  ],
                  [
                    589999.6241071568,
                    2387998.4762919582,
                    25.7900327559849
                  ],
                  [
                    589999.6241071568,
                    2386998.4762919582,
                    25.7900327559849
                  ],
                  [
                    588999.6241071568,
                    2386998.4762919582,
                    -29.9899672440151
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:55:18+00:00",
            "end_time": "2013-09-09T22:07:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8787.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1596030481464,
              21.58382832434412,
              -29.703875134920644
            ],
            [
              -158.15955091215463,
              21.59286254596739,
              -29.703875134920644
            ],
            [
              -158.1498912875597,
              21.592813502830232,
              -1.483875134920645
            ],
            [
              -158.14994402481133,
              21.583779303009702,
              -1.483875134920645
            ],
            [
              -158.1596030481464,
              21.58382832434412,
              -29.703875134920644
            ]
          ]
        ]
      },
      "bbox": [
        -158.159603,
        21.5837793,
        -29.70387513,
        -158.1498913,
        21.59286255,
        -1.483875135
      ],
      "properties": {
        "datetime": "2013-09-10T17:55:47Z",
        "pc:count": 1920419,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 587534.4315,
            "count": 1920419,
            "maximum": 587999.6146,
            "minimum": 586999.6146,
            "name": "X",
            "position": 0,
            "stddev": 294.4218332,
            "variance": 86684.21589
          },
          {
            "average": 2387365.075,
            "count": 1920419,
            "maximum": 2387998.48,
            "minimum": 2386998.46,
            "name": "Y",
            "position": 1,
            "stddev": 262.6319152,
            "variance": 68975.5229
          },
          {
            "average": -10.27189098,
            "count": 1920419,
            "maximum": -1.483875135,
            "minimum": -29.70387513,
            "name": "Z",
            "position": 2,
            "stddev": 6.677144964,
            "variance": 44.58426488
          },
          {
            "average": 38.78137584,
            "count": 1920419,
            "maximum": 747,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 76.97287486,
            "variance": 5924.823465
          },
          {
            "average": 1.024326462,
            "count": 1920419,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1563488399,
            "variance": 0.02444495973
          },
          {
            "average": 1.029842446,
            "count": 1920419,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1742917686,
            "variance": 0.03037762062
          },
          {
            "average": 1,
            "count": 1920419,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1920419,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1920419,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.22737151,
            "count": 1920419,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.26598534,
            "variance": 105.390455
          },
          {
            "average": 128.9413664,
            "count": 1920419,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 92.23740562,
            "variance": 8507.738996
          },
          {
            "average": 6.689409967,
            "count": 1920419,
            "maximum": 10,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.413925144,
            "variance": 1.999184312
          },
          {
            "average": 62869325.54,
            "count": 1920419,
            "maximum": 62870947.55,
            "minimum": 62867766.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 776.0905025,
            "variance": 602316.468
          },
          {
            "average": 0,
            "count": 1920419,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1920419,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1920419,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1920419,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1920419,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          586999.6146,
          2386998.46,
          -29.70387513,
          587999.6146,
          2387998.48,
          -1.483875135
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                586999.6146184576,
                2386998.4596764995,
                -29.703875134920644
              ],
              [
                586999.6146184576,
                2387998.479676499,
                -29.703875134920644
              ],
              [
                587999.6146184576,
                2387998.479676499,
                -1.483875134920645
              ],
              [
                587999.6146184576,
                2386998.4596764995,
                -1.483875134920645
              ],
              [
                586999.6146184576,
                2386998.4596764995,
                -29.703875134920644
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:55:47+00:00",
        "end_time": "2013-09-10T17:02:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8787.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8787.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8787.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8787.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.159603,
            21.5837793,
            -29.70387513,
            -158.1498913,
            21.59286255,
            -1.483875135
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1596030481464,
                  21.58382832434412,
                  -29.703875134920644
                ],
                [
                  -158.15955091215463,
                  21.59286254596739,
                  -29.703875134920644
                ],
                [
                  -158.1498912875597,
                  21.592813502830232,
                  -1.483875134920645
                ],
                [
                  -158.14994402481133,
                  21.583779303009702,
                  -1.483875134920645
                ],
                [
                  -158.1596030481464,
                  21.58382832434412,
                  -29.703875134920644
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8787.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8787.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:55:47Z",
            "pc:count": 1920419,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 587534.4315,
                "count": 1920419,
                "maximum": 587999.6146,
                "minimum": 586999.6146,
                "name": "X",
                "position": 0,
                "stddev": 294.4218332,
                "variance": 86684.21589
              },
              {
                "average": 2387365.075,
                "count": 1920419,
                "maximum": 2387998.48,
                "minimum": 2386998.46,
                "name": "Y",
                "position": 1,
                "stddev": 262.6319152,
                "variance": 68975.5229
              },
              {
                "average": -10.27189098,
                "count": 1920419,
                "maximum": -1.483875135,
                "minimum": -29.70387513,
                "name": "Z",
                "position": 2,
                "stddev": 6.677144964,
                "variance": 44.58426488
              },
              {
                "average": 38.78137584,
                "count": 1920419,
                "maximum": 747,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 76.97287486,
                "variance": 5924.823465
              },
              {
                "average": 1.024326462,
                "count": 1920419,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1563488399,
                "variance": 0.02444495973
              },
              {
                "average": 1.029842446,
                "count": 1920419,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1742917686,
                "variance": 0.03037762062
              },
              {
                "average": 1,
                "count": 1920419,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1920419,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1920419,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.22737151,
                "count": 1920419,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.26598534,
                "variance": 105.390455
              },
              {
                "average": 128.9413664,
                "count": 1920419,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 92.23740562,
                "variance": 8507.738996
              },
              {
                "average": 6.689409967,
                "count": 1920419,
                "maximum": 10,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.413925144,
                "variance": 1.999184312
              },
              {
                "average": 62869325.54,
                "count": 1920419,
                "maximum": 62870947.55,
                "minimum": 62867766.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 776.0905025,
                "variance": 602316.468
              },
              {
                "average": 0,
                "count": 1920419,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1920419,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1920419,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1920419,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1920419,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              586999.6146,
              2386998.46,
              -29.70387513,
              587999.6146,
              2387998.48,
              -1.483875135
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    586999.6146184576,
                    2386998.4596764995,
                    -29.703875134920644
                  ],
                  [
                    586999.6146184576,
                    2387998.479676499,
                    -29.703875134920644
                  ],
                  [
                    587999.6146184576,
                    2387998.479676499,
                    -1.483875134920645
                  ],
                  [
                    587999.6146184576,
                    2386998.4596764995,
                    -1.483875134920645
                  ],
                  [
                    586999.6146184576,
                    2386998.4596764995,
                    -29.703875134920644
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:55:47+00:00",
            "end_time": "2013-09-10T17:02:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8788.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.15955075279822,
              21.5928625851032,
              -32.90774737783101
            ],
            [
              -158.15954204281996,
              21.594371449585463,
              -32.90774737783101
            ],
            [
              -158.14988270428032,
              21.594322404743142,
              -20.807747377831006
            ],
            [
              -158.14989151458548,
              21.59281354392966,
              -20.807747377831006
            ],
            [
              -158.15955075279822,
              21.5928625851032,
              -32.90774737783101
            ]
          ]
        ]
      },
      "bbox": [
        -158.1595508,
        21.59281354,
        -32.90774738,
        -158.1498827,
        21.59437145,
        -20.80774738
      ],
      "properties": {
        "datetime": "2013-09-10T17:55:47Z",
        "pc:count": 71006,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 587505.3258,
            "count": 71006,
            "maximum": 587999.5911,
            "minimum": 586999.6311,
            "name": "X",
            "position": 0,
            "stddev": 286.9534058,
            "variance": 82342.25711
          },
          {
            "average": 2388096.935,
            "count": 71006,
            "maximum": 2388165.504,
            "minimum": 2387998.484,
            "name": "Y",
            "position": 1,
            "stddev": 48.77825138,
            "variance": 2379.317807
          },
          {
            "average": -27.30659128,
            "count": 71006,
            "maximum": -20.80774738,
            "minimum": -32.90774738,
            "name": "Z",
            "position": 2,
            "stddev": 2.347310204,
            "variance": 5.509865195
          },
          {
            "average": 205.634383,
            "count": 71006,
            "maximum": 571,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 98.55180685,
            "variance": 9712.458633
          },
          {
            "average": 1.009224573,
            "count": 71006,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09604222842,
            "variance": 0.00922410964
          },
          {
            "average": 1.009280906,
            "count": 71006,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09632964866,
            "variance": 0.009279401212
          },
          {
            "average": 1,
            "count": 71006,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 71006,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 71006,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.432420705,
            "count": 71006,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.797145737,
            "variance": 23.01260723
          },
          {
            "average": 249.1062586,
            "count": 71006,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.3131572149,
            "variance": 0.09806744126
          },
          {
            "average": 9.996296088,
            "count": 71006,
            "maximum": 10,
            "minimum": 9,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.06074738965,
            "variance": 0.00369024535
          },
          {
            "average": 62870936.92,
            "count": 71006,
            "maximum": 62870947.55,
            "minimum": 62870619.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 19.83216179,
            "variance": 393.3146412
          },
          {
            "average": 0,
            "count": 71006,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 71006,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 71006,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 71006,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 71006,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          586999.6311,
          2387998.484,
          -32.90774738,
          587999.5911,
          2388165.504,
          -20.80774738
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                586999.6310917265,
                2387998.4840974566,
                -32.90774737783101
              ],
              [
                586999.6310917265,
                2388165.504097456,
                -32.90774737783101
              ],
              [
                587999.5910917264,
                2388165.504097456,
                -20.807747377831006
              ],
              [
                587999.5910917264,
                2387998.4840974566,
                -20.807747377831006
              ],
              [
                586999.6310917265,
                2387998.4840974566,
                -32.90774737783101
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:55:47+00:00",
        "end_time": "2013-09-10T17:50:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8788.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8788.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8788.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8788.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1595508,
            21.59281354,
            -32.90774738,
            -158.1498827,
            21.59437145,
            -20.80774738
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.15955075279822,
                  21.5928625851032,
                  -32.90774737783101
                ],
                [
                  -158.15954204281996,
                  21.594371449585463,
                  -32.90774737783101
                ],
                [
                  -158.14988270428032,
                  21.594322404743142,
                  -20.807747377831006
                ],
                [
                  -158.14989151458548,
                  21.59281354392966,
                  -20.807747377831006
                ],
                [
                  -158.15955075279822,
                  21.5928625851032,
                  -32.90774737783101
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8788.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8788.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:55:47Z",
            "pc:count": 71006,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 587505.3258,
                "count": 71006,
                "maximum": 587999.5911,
                "minimum": 586999.6311,
                "name": "X",
                "position": 0,
                "stddev": 286.9534058,
                "variance": 82342.25711
              },
              {
                "average": 2388096.935,
                "count": 71006,
                "maximum": 2388165.504,
                "minimum": 2387998.484,
                "name": "Y",
                "position": 1,
                "stddev": 48.77825138,
                "variance": 2379.317807
              },
              {
                "average": -27.30659128,
                "count": 71006,
                "maximum": -20.80774738,
                "minimum": -32.90774738,
                "name": "Z",
                "position": 2,
                "stddev": 2.347310204,
                "variance": 5.509865195
              },
              {
                "average": 205.634383,
                "count": 71006,
                "maximum": 571,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 98.55180685,
                "variance": 9712.458633
              },
              {
                "average": 1.009224573,
                "count": 71006,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09604222842,
                "variance": 0.00922410964
              },
              {
                "average": 1.009280906,
                "count": 71006,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09632964866,
                "variance": 0.009279401212
              },
              {
                "average": 1,
                "count": 71006,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 71006,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 71006,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.432420705,
                "count": 71006,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.797145737,
                "variance": 23.01260723
              },
              {
                "average": 249.1062586,
                "count": 71006,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.3131572149,
                "variance": 0.09806744126
              },
              {
                "average": 9.996296088,
                "count": 71006,
                "maximum": 10,
                "minimum": 9,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.06074738965,
                "variance": 0.00369024535
              },
              {
                "average": 62870936.92,
                "count": 71006,
                "maximum": 62870947.55,
                "minimum": 62870619.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 19.83216179,
                "variance": 393.3146412
              },
              {
                "average": 0,
                "count": 71006,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 71006,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 71006,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 71006,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 71006,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              586999.6311,
              2387998.484,
              -32.90774738,
              587999.5911,
              2388165.504,
              -20.80774738
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    586999.6310917265,
                    2387998.4840974566,
                    -32.90774737783101
                  ],
                  [
                    586999.6310917265,
                    2388165.504097456,
                    -32.90774737783101
                  ],
                  [
                    587999.5910917264,
                    2388165.504097456,
                    -20.807747377831006
                  ],
                  [
                    587999.5910917264,
                    2387998.4840974566,
                    -20.807747377831006
                  ],
                  [
                    586999.6310917265,
                    2387998.4840974566,
                    -32.90774737783101
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:55:47+00:00",
            "end_time": "2013-09-10T17:50:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8858.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1443175996739,
              21.325860910598614,
              -38.50459537363741
            ],
            [
              -158.14428905023678,
              21.330786392893696,
              -38.50459537363741
            ],
            [
              -158.14176662723403,
              21.330773532108385,
              -29.20459537363741
            ],
            [
              -158.14179526062082,
              21.325848053323163,
              -29.20459537363741
            ],
            [
              -158.1443175996739,
              21.325860910598614,
              -38.50459537363741
            ]
          ]
        ]
      },
      "bbox": [
        -158.1443176,
        21.32584805,
        -38.50459537,
        -158.1417666,
        21.33078639,
        -29.20459537
      ],
      "properties": {
        "datetime": "2013-09-11T00:18:36Z",
        "pc:count": 34488,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588928.4049,
            "count": 34488,
            "maximum": 588999.6533,
            "minimum": 588738.0533,
            "name": "X",
            "position": 0,
            "stddev": 52.31530674,
            "variance": 2736.891319
          },
          {
            "average": 2358819.088,
            "count": 34488,
            "maximum": 2358998.434,
            "minimum": 2358453.234,
            "name": "Y",
            "position": 1,
            "stddev": 142.5088419,
            "variance": 20308.77001
          },
          {
            "average": -32.52853269,
            "count": 34488,
            "maximum": -29.20459537,
            "minimum": -38.50459537,
            "name": "Z",
            "position": 2,
            "stddev": 1.776406019,
            "variance": 3.155618345
          },
          {
            "average": 683.4059963,
            "count": 34488,
            "maximum": 5391,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 220.5743817,
            "variance": 48653.05788
          },
          {
            "average": 1.000173974,
            "count": 34488,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01318894738,
            "variance": 0.000173948333
          },
          {
            "average": 1.00026096,
            "count": 34488,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01615239297,
            "variance": 0.0002608997987
          },
          {
            "average": 1,
            "count": 34488,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 34488,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 34488,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.914675207,
            "count": 34488,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.431235243,
            "variance": 88.94819821
          },
          {
            "average": 249.0163535,
            "count": 34488,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1272891551,
            "variance": 0.01620252901
          },
          {
            "average": 7.254291348,
            "count": 34488,
            "maximum": 9,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4367317497,
            "variance": 0.1907346212
          },
          {
            "average": 62893140.24,
            "count": 34488,
            "maximum": 62893916.23,
            "minimum": 62893021.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 193.8486181,
            "variance": 37577.28673
          },
          {
            "average": 0,
            "count": 34488,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 34488,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 34488,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 34488,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 34488,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588738.0533,
          2358453.234,
          -38.50459537,
          588999.6533,
          2358998.434,
          -29.20459537
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588738.0532711124,
                2358453.2342257854,
                -38.50459537363741
              ],
              [
                588738.0532711124,
                2358998.4342257855,
                -38.50459537363741
              ],
              [
                588999.6532711125,
                2358998.4342257855,
                -29.20459537363741
              ],
              [
                588999.6532711125,
                2358453.2342257854,
                -29.20459537363741
              ],
              [
                588738.0532711124,
                2358453.2342257854,
                -38.50459537363741
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T00:18:36+00:00",
        "end_time": "2013-09-11T00:03:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8858.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8858.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8858.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8858.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1443176,
            21.32584805,
            -38.50459537,
            -158.1417666,
            21.33078639,
            -29.20459537
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1443175996739,
                  21.325860910598614,
                  -38.50459537363741
                ],
                [
                  -158.14428905023678,
                  21.330786392893696,
                  -38.50459537363741
                ],
                [
                  -158.14176662723403,
                  21.330773532108385,
                  -29.20459537363741
                ],
                [
                  -158.14179526062082,
                  21.325848053323163,
                  -29.20459537363741
                ],
                [
                  -158.1443175996739,
                  21.325860910598614,
                  -38.50459537363741
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8858.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8858.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T00:18:36Z",
            "pc:count": 34488,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588928.4049,
                "count": 34488,
                "maximum": 588999.6533,
                "minimum": 588738.0533,
                "name": "X",
                "position": 0,
                "stddev": 52.31530674,
                "variance": 2736.891319
              },
              {
                "average": 2358819.088,
                "count": 34488,
                "maximum": 2358998.434,
                "minimum": 2358453.234,
                "name": "Y",
                "position": 1,
                "stddev": 142.5088419,
                "variance": 20308.77001
              },
              {
                "average": -32.52853269,
                "count": 34488,
                "maximum": -29.20459537,
                "minimum": -38.50459537,
                "name": "Z",
                "position": 2,
                "stddev": 1.776406019,
                "variance": 3.155618345
              },
              {
                "average": 683.4059963,
                "count": 34488,
                "maximum": 5391,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 220.5743817,
                "variance": 48653.05788
              },
              {
                "average": 1.000173974,
                "count": 34488,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01318894738,
                "variance": 0.000173948333
              },
              {
                "average": 1.00026096,
                "count": 34488,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01615239297,
                "variance": 0.0002608997987
              },
              {
                "average": 1,
                "count": 34488,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 34488,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 34488,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.914675207,
                "count": 34488,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.431235243,
                "variance": 88.94819821
              },
              {
                "average": 249.0163535,
                "count": 34488,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1272891551,
                "variance": 0.01620252901
              },
              {
                "average": 7.254291348,
                "count": 34488,
                "maximum": 9,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4367317497,
                "variance": 0.1907346212
              },
              {
                "average": 62893140.24,
                "count": 34488,
                "maximum": 62893916.23,
                "minimum": 62893021.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 193.8486181,
                "variance": 37577.28673
              },
              {
                "average": 0,
                "count": 34488,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 34488,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 34488,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 34488,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 34488,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588738.0533,
              2358453.234,
              -38.50459537,
              588999.6533,
              2358998.434,
              -29.20459537
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588738.0532711124,
                    2358453.2342257854,
                    -38.50459537363741
                  ],
                  [
                    588738.0532711124,
                    2358998.4342257855,
                    -38.50459537363741
                  ],
                  [
                    588999.6532711125,
                    2358998.4342257855,
                    -29.20459537363741
                  ],
                  [
                    588999.6532711125,
                    2358453.2342257854,
                    -29.20459537363741
                  ],
                  [
                    588738.0532711124,
                    2358453.2342257854,
                    -38.50459537363741
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T00:18:36+00:00",
            "end_time": "2013-09-11T00:03:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej8988.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14023165800575,
              21.59276381064151,
              -30.826663674632602
            ],
            [
              -158.14021702371465,
              21.59524183405867,
              -30.826663674632602
            ],
            [
              -158.13055730141713,
              21.595191661363216,
              -4.106663674632603
            ],
            [
              -158.13057210017098,
              21.59271364416866,
              -4.106663674632603
            ],
            [
              -158.14023165800575,
              21.59276381064151,
              -30.826663674632602
            ]
          ]
        ]
      },
      "bbox": [
        -158.1402317,
        21.59271364,
        -30.82666367,
        -158.1305573,
        21.59524183,
        -4.106663675
      ],
      "properties": {
        "datetime": "2013-09-10T17:55:19Z",
        "pc:count": 271197,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 589392.2935,
            "count": 271197,
            "maximum": 589999.6186,
            "minimum": 588999.6186,
            "name": "X",
            "position": 0,
            "stddev": 249.7328309,
            "variance": 62366.48682
          },
          {
            "average": 2388102.939,
            "count": 271197,
            "maximum": 2388272.77,
            "minimum": 2387998.47,
            "name": "Y",
            "position": 1,
            "stddev": 78.6383924,
            "variance": 6183.996758
          },
          {
            "average": -9.792772997,
            "count": 271197,
            "maximum": -4.106663675,
            "minimum": -30.82666367,
            "name": "Z",
            "position": 2,
            "stddev": 4.17627891,
            "variance": 17.44130553
          },
          {
            "average": 15.09947381,
            "count": 271197,
            "maximum": 139,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.85030015,
            "variance": 617.5374176
          },
          {
            "average": 1.015228782,
            "count": 271197,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.128572421,
            "variance": 0.01653086745
          },
          {
            "average": 1.018971449,
            "count": 271197,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1472145328,
            "variance": 0.02167211867
          },
          {
            "average": 1,
            "count": 271197,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 271197,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 271197,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.09301731,
            "count": 271197,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.86349815,
            "variance": 47.10760686
          },
          {
            "average": 117.1831842,
            "count": 271197,
            "maximum": 254,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 91.6833432,
            "variance": 8405.83542
          },
          {
            "average": 9.658403301,
            "count": 271197,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9332871734,
            "variance": 0.871024948
          },
          {
            "average": 62870023.39,
            "count": 271197,
            "maximum": 62870919.05,
            "minimum": 62799662.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 7602.415581,
            "variance": 57796722.67
          },
          {
            "average": 0,
            "count": 271197,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 271197,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 271197,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 271197,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 271197,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588999.6186,
          2387998.47,
          -30.82666367,
          589999.6186,
          2388272.77,
          -4.106663675
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588999.6186247596,
                2387998.4700261992,
                -30.826663674632602
              ],
              [
                588999.6186247596,
                2388272.770026199,
                -30.826663674632602
              ],
              [
                589999.6186247596,
                2388272.770026199,
                -4.106663674632603
              ],
              [
                589999.6186247596,
                2387998.4700261992,
                -4.106663674632603
              ],
              [
                588999.6186247596,
                2387998.4700261992,
                -30.826663674632602
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:55:19+00:00",
        "end_time": "2013-09-09T22:07:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej8988.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej8988.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej8988.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej8988.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1402317,
            21.59271364,
            -30.82666367,
            -158.1305573,
            21.59524183,
            -4.106663675
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14023165800575,
                  21.59276381064151,
                  -30.826663674632602
                ],
                [
                  -158.14021702371465,
                  21.59524183405867,
                  -30.826663674632602
                ],
                [
                  -158.13055730141713,
                  21.595191661363216,
                  -4.106663674632603
                ],
                [
                  -158.13057210017098,
                  21.59271364416866,
                  -4.106663674632603
                ],
                [
                  -158.14023165800575,
                  21.59276381064151,
                  -30.826663674632602
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej8988.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej8988.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:55:19Z",
            "pc:count": 271197,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 589392.2935,
                "count": 271197,
                "maximum": 589999.6186,
                "minimum": 588999.6186,
                "name": "X",
                "position": 0,
                "stddev": 249.7328309,
                "variance": 62366.48682
              },
              {
                "average": 2388102.939,
                "count": 271197,
                "maximum": 2388272.77,
                "minimum": 2387998.47,
                "name": "Y",
                "position": 1,
                "stddev": 78.6383924,
                "variance": 6183.996758
              },
              {
                "average": -9.792772997,
                "count": 271197,
                "maximum": -4.106663675,
                "minimum": -30.82666367,
                "name": "Z",
                "position": 2,
                "stddev": 4.17627891,
                "variance": 17.44130553
              },
              {
                "average": 15.09947381,
                "count": 271197,
                "maximum": 139,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.85030015,
                "variance": 617.5374176
              },
              {
                "average": 1.015228782,
                "count": 271197,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.128572421,
                "variance": 0.01653086745
              },
              {
                "average": 1.018971449,
                "count": 271197,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1472145328,
                "variance": 0.02167211867
              },
              {
                "average": 1,
                "count": 271197,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 271197,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 271197,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.09301731,
                "count": 271197,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.86349815,
                "variance": 47.10760686
              },
              {
                "average": 117.1831842,
                "count": 271197,
                "maximum": 254,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 91.6833432,
                "variance": 8405.83542
              },
              {
                "average": 9.658403301,
                "count": 271197,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9332871734,
                "variance": 0.871024948
              },
              {
                "average": 62870023.39,
                "count": 271197,
                "maximum": 62870919.05,
                "minimum": 62799662.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 7602.415581,
                "variance": 57796722.67
              },
              {
                "average": 0,
                "count": 271197,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 271197,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 271197,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 271197,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 271197,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588999.6186,
              2387998.47,
              -30.82666367,
              589999.6186,
              2388272.77,
              -4.106663675
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588999.6186247596,
                    2387998.4700261992,
                    -30.826663674632602
                  ],
                  [
                    588999.6186247596,
                    2388272.770026199,
                    -30.826663674632602
                  ],
                  [
                    589999.6186247596,
                    2388272.770026199,
                    -4.106663674632603
                  ],
                  [
                    589999.6186247596,
                    2387998.4700261992,
                    -4.106663674632603
                  ],
                  [
                    588999.6186247596,
                    2387998.4700261992,
                    -30.826663674632602
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:55:19+00:00",
            "end_time": "2013-09-09T22:07:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9590.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.08213443465218,
              21.614678479484965,
              16.336312454367167
            ],
            [
              -158.08210365391648,
              21.61955601935745,
              16.336312454367167
            ],
            [
              -158.077301287181,
              21.61952944097056,
              57.19631245436717
            ],
            [
              -158.0773322292935,
              21.614651907554887,
              57.19631245436717
            ],
            [
              -158.08213443465218,
              21.614678479484965,
              16.336312454367167
            ]
          ]
        ]
      },
      "bbox": [
        -158.0821344,
        21.61465191,
        16.33631245,
        -158.0773013,
        21.61955602,
        57.19631245
      ],
      "properties": {
        "datetime": "2013-09-22T23:58:10Z",
        "pc:count": 1601135,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 595139.4472,
            "count": 1601135,
            "maximum": 595496.7236,
            "minimum": 594999.6436,
            "name": "X",
            "position": 0,
            "stddev": 124.799935,
            "variance": 15575.02376
          },
          {
            "average": 2390831.039,
            "count": 1601135,
            "maximum": 2390998.485,
            "minimum": 2390458.565,
            "name": "Y",
            "position": 1,
            "stddev": 148.860783,
            "variance": 22159.53271
          },
          {
            "average": 34.69838353,
            "count": 1601135,
            "maximum": 57.19631245,
            "minimum": 16.33631245,
            "name": "Z",
            "position": 2,
            "stddev": 7.734139788,
            "variance": 59.81691826
          },
          {
            "average": 9.395282721,
            "count": 1601135,
            "maximum": 634,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 12.98651732,
            "variance": 168.6496322
          },
          {
            "average": 1.613481686,
            "count": 1601135,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9464553517,
            "variance": 0.8957777327
          },
          {
            "average": 2.131265009,
            "count": 1601135,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.321821967,
            "variance": 1.747213312
          },
          {
            "average": 1,
            "count": 1601135,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1601135,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.179725632,
            "count": 1601135,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3839588798,
            "variance": 0.1474244214
          },
          {
            "average": 20.17801164,
            "count": 1601135,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.926030599,
            "variance": 8.561655064
          },
          {
            "average": 92.57381982,
            "count": 1601135,
            "maximum": 199,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.24145712,
            "variance": 4126.964813
          },
          {
            "average": 3.520647541,
            "count": 1601135,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.047971396,
            "variance": 4.19418684
          },
          {
            "average": 63387863.41,
            "count": 1601135,
            "maximum": 63929490.69,
            "minimum": 62875643.81,
            "name": "GpsTime",
            "position": 12,
            "stddev": 371506.7187,
            "variance": 138017242100.0
          },
          {
            "average": 0,
            "count": 1601135,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1601135,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1601135,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1601135,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1601135,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594999.6436,
          2390458.565,
          16.33631245,
          595496.7236,
          2390998.485,
          57.19631245
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594999.6435759936,
                2390458.564956249,
                16.336312454367167
              ],
              [
                594999.6435759936,
                2390998.484956249,
                16.336312454367167
              ],
              [
                595496.7235759937,
                2390998.484956249,
                57.19631245436717
              ],
              [
                595496.7235759937,
                2390458.564956249,
                57.19631245436717
              ],
              [
                594999.6435759936,
                2390458.564956249,
                16.336312454367167
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:58:10+00:00",
        "end_time": "2013-09-10T19:14:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9590.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9590.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9590.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9590.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0821344,
            21.61465191,
            16.33631245,
            -158.0773013,
            21.61955602,
            57.19631245
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.08213443465218,
                  21.614678479484965,
                  16.336312454367167
                ],
                [
                  -158.08210365391648,
                  21.61955601935745,
                  16.336312454367167
                ],
                [
                  -158.077301287181,
                  21.61952944097056,
                  57.19631245436717
                ],
                [
                  -158.0773322292935,
                  21.614651907554887,
                  57.19631245436717
                ],
                [
                  -158.08213443465218,
                  21.614678479484965,
                  16.336312454367167
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9590.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9590.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:58:10Z",
            "pc:count": 1601135,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 595139.4472,
                "count": 1601135,
                "maximum": 595496.7236,
                "minimum": 594999.6436,
                "name": "X",
                "position": 0,
                "stddev": 124.799935,
                "variance": 15575.02376
              },
              {
                "average": 2390831.039,
                "count": 1601135,
                "maximum": 2390998.485,
                "minimum": 2390458.565,
                "name": "Y",
                "position": 1,
                "stddev": 148.860783,
                "variance": 22159.53271
              },
              {
                "average": 34.69838353,
                "count": 1601135,
                "maximum": 57.19631245,
                "minimum": 16.33631245,
                "name": "Z",
                "position": 2,
                "stddev": 7.734139788,
                "variance": 59.81691826
              },
              {
                "average": 9.395282721,
                "count": 1601135,
                "maximum": 634,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 12.98651732,
                "variance": 168.6496322
              },
              {
                "average": 1.613481686,
                "count": 1601135,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9464553517,
                "variance": 0.8957777327
              },
              {
                "average": 2.131265009,
                "count": 1601135,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.321821967,
                "variance": 1.747213312
              },
              {
                "average": 1,
                "count": 1601135,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1601135,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.179725632,
                "count": 1601135,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3839588798,
                "variance": 0.1474244214
              },
              {
                "average": 20.17801164,
                "count": 1601135,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.926030599,
                "variance": 8.561655064
              },
              {
                "average": 92.57381982,
                "count": 1601135,
                "maximum": 199,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.24145712,
                "variance": 4126.964813
              },
              {
                "average": 3.520647541,
                "count": 1601135,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.047971396,
                "variance": 4.19418684
              },
              {
                "average": 63387863.41,
                "count": 1601135,
                "maximum": 63929490.69,
                "minimum": 62875643.81,
                "name": "GpsTime",
                "position": 12,
                "stddev": 371506.7187,
                "variance": 138017242100.0
              },
              {
                "average": 0,
                "count": 1601135,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1601135,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1601135,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1601135,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1601135,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594999.6436,
              2390458.565,
              16.33631245,
              595496.7236,
              2390998.485,
              57.19631245
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594999.6435759936,
                    2390458.564956249,
                    16.336312454367167
                  ],
                  [
                    594999.6435759936,
                    2390998.484956249,
                    16.336312454367167
                  ],
                  [
                    595496.7235759937,
                    2390998.484956249,
                    57.19631245436717
                  ],
                  [
                    595496.7235759937,
                    2390458.564956249,
                    57.19631245436717
                  ],
                  [
                    594999.6435759936,
                    2390458.564956249,
                    16.336312454367167
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:58:10+00:00",
            "end_time": "2013-09-10T19:14:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8859.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14729763698872,
              21.330802079760762,
              -54.41060229416976
            ],
            [
              -158.14724543455173,
              21.339836169006773,
              -54.41060229416976
            ],
            [
              -158.14171408427842,
              21.33980800387912,
              -23.73060229416976
            ],
            [
              -158.1417666244968,
              21.33077392865743,
              -23.73060229416976
            ],
            [
              -158.14729763698872,
              21.330802079760762,
              -54.41060229416976
            ]
          ]
        ]
      },
      "bbox": [
        -158.1472976,
        21.33077393,
        -54.41060229,
        -158.1417141,
        21.33983617,
        -23.73060229
      ],
      "properties": {
        "datetime": "2013-09-19T00:47:45Z",
        "pc:count": 246207,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588817.4466,
            "count": 246207,
            "maximum": 588999.6533,
            "minimum": 588426.0333,
            "name": "X",
            "position": 0,
            "stddev": 124.6081662,
            "variance": 15527.19508
          },
          {
            "average": 2359521.237,
            "count": 246207,
            "maximum": 2359998.458,
            "minimum": 2358998.478,
            "name": "Y",
            "position": 1,
            "stddev": 274.4164458,
            "variance": 75304.38571
          },
          {
            "average": -32.09379323,
            "count": 246207,
            "maximum": -23.73060229,
            "minimum": -54.41060229,
            "name": "Z",
            "position": 2,
            "stddev": 5.043032424,
            "variance": 25.43217603
          },
          {
            "average": 657.9532954,
            "count": 246207,
            "maximum": 4608,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 495.659015,
            "variance": 245677.8592
          },
          {
            "average": 1.000280252,
            "count": 246207,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01673841629,
            "variance": 0.0002801745799
          },
          {
            "average": 1.000333053,
            "count": 246207,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01824673969,
            "variance": 0.0003329435093
          },
          {
            "average": 1,
            "count": 246207,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 246207,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 246207,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.854654311,
            "count": 246207,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.572367557,
            "variance": 91.63022065
          },
          {
            "average": 248.9890945,
            "count": 246207,
            "maximum": 251,
            "minimum": 63,
            "name": "UserData",
            "position": 10,
            "stddev": 1.558896715,
            "variance": 2.430158968
          },
          {
            "average": 7.869971203,
            "count": 246207,
            "maximum": 10,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.710765001,
            "variance": 2.926716888
          },
          {
            "average": 62954625.93,
            "count": 246207,
            "maximum": 63586865.72,
            "minimum": 62893009.19,
            "name": "GpsTime",
            "position": 12,
            "stddev": 196341.6944,
            "variance": 38550060950.0
          },
          {
            "average": 0,
            "count": 246207,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 246207,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 246207,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 246207,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 246207,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588426.0333,
          2358998.478,
          -54.41060229,
          588999.6533,
          2359998.458,
          -23.73060229
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588426.0333158746,
                2358998.4781199507,
                -54.41060229416976
              ],
              [
                588426.0333158746,
                2359998.458119951,
                -54.41060229416976
              ],
              [
                588999.6533158747,
                2359998.458119951,
                -23.73060229416976
              ],
              [
                588999.6533158747,
                2358998.4781199507,
                -23.73060229416976
              ],
              [
                588426.0333158746,
                2358998.4781199507,
                -54.41060229416976
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:47:45+00:00",
        "end_time": "2013-09-11T00:03:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8859.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8859.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8859.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8859.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1472976,
            21.33077393,
            -54.41060229,
            -158.1417141,
            21.33983617,
            -23.73060229
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14729763698872,
                  21.330802079760762,
                  -54.41060229416976
                ],
                [
                  -158.14724543455173,
                  21.339836169006773,
                  -54.41060229416976
                ],
                [
                  -158.14171408427842,
                  21.33980800387912,
                  -23.73060229416976
                ],
                [
                  -158.1417666244968,
                  21.33077392865743,
                  -23.73060229416976
                ],
                [
                  -158.14729763698872,
                  21.330802079760762,
                  -54.41060229416976
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8859.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8859.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:47:45Z",
            "pc:count": 246207,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588817.4466,
                "count": 246207,
                "maximum": 588999.6533,
                "minimum": 588426.0333,
                "name": "X",
                "position": 0,
                "stddev": 124.6081662,
                "variance": 15527.19508
              },
              {
                "average": 2359521.237,
                "count": 246207,
                "maximum": 2359998.458,
                "minimum": 2358998.478,
                "name": "Y",
                "position": 1,
                "stddev": 274.4164458,
                "variance": 75304.38571
              },
              {
                "average": -32.09379323,
                "count": 246207,
                "maximum": -23.73060229,
                "minimum": -54.41060229,
                "name": "Z",
                "position": 2,
                "stddev": 5.043032424,
                "variance": 25.43217603
              },
              {
                "average": 657.9532954,
                "count": 246207,
                "maximum": 4608,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 495.659015,
                "variance": 245677.8592
              },
              {
                "average": 1.000280252,
                "count": 246207,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01673841629,
                "variance": 0.0002801745799
              },
              {
                "average": 1.000333053,
                "count": 246207,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01824673969,
                "variance": 0.0003329435093
              },
              {
                "average": 1,
                "count": 246207,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 246207,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 246207,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.854654311,
                "count": 246207,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.572367557,
                "variance": 91.63022065
              },
              {
                "average": 248.9890945,
                "count": 246207,
                "maximum": 251,
                "minimum": 63,
                "name": "UserData",
                "position": 10,
                "stddev": 1.558896715,
                "variance": 2.430158968
              },
              {
                "average": 7.869971203,
                "count": 246207,
                "maximum": 10,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.710765001,
                "variance": 2.926716888
              },
              {
                "average": 62954625.93,
                "count": 246207,
                "maximum": 63586865.72,
                "minimum": 62893009.19,
                "name": "GpsTime",
                "position": 12,
                "stddev": 196341.6944,
                "variance": 38550060950.0
              },
              {
                "average": 0,
                "count": 246207,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 246207,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 246207,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 246207,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 246207,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588426.0333,
              2358998.478,
              -54.41060229,
              588999.6533,
              2359998.458,
              -23.73060229
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588426.0333158746,
                    2358998.4781199507,
                    -54.41060229416976
                  ],
                  [
                    588426.0333158746,
                    2359998.458119951,
                    -54.41060229416976
                  ],
                  [
                    588999.6533158747,
                    2359998.458119951,
                    -23.73060229416976
                  ],
                  [
                    588999.6533158747,
                    2358998.4781199507,
                    -23.73060229416976
                  ],
                  [
                    588426.0333158746,
                    2358998.4781199507,
                    -54.41060229416976
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:47:45+00:00",
            "end_time": "2013-09-11T00:03:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9054.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12575500028117,
              21.29067347814028,
              -57.38370261556853
            ],
            [
              -158.12573206046173,
              21.294553157937422,
              -57.38370261556853
            ],
            [
              -158.12269664616068,
              21.294537376651366,
              -28.903702615568527
            ],
            [
              -158.12271966609617,
              21.29065769948567,
              -28.903702615568527
            ],
            [
              -158.12575500028117,
              21.29067347814028,
              -57.38370261556853
            ]
          ]
        ]
      },
      "bbox": [
        -158.125755,
        21.2906577,
        -57.38370262,
        -158.1226966,
        21.29455316,
        -28.90370262
      ],
      "properties": {
        "datetime": "2013-09-17T11:58:47Z",
        "pc:count": 35407,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590919.0692,
            "count": 35407,
            "maximum": 590999.6583,
            "minimum": 590684.7783,
            "name": "X",
            "position": 0,
            "stddev": 63.36635293,
            "variance": 4015.294684
          },
          {
            "average": 2354869.497,
            "count": 35407,
            "maximum": 2354998.468,
            "minimum": 2354569.028,
            "name": "Y",
            "position": 1,
            "stddev": 99.12157082,
            "variance": 9825.085803
          },
          {
            "average": -38.42876291,
            "count": 35407,
            "maximum": -28.90370262,
            "minimum": -57.38370262,
            "name": "Z",
            "position": 2,
            "stddev": 6.484916339,
            "variance": 42.05413993
          },
          {
            "average": 1002.284238,
            "count": 35407,
            "maximum": 4913,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 702.3680192,
            "variance": 493320.8344
          },
          {
            "average": 1.00141215,
            "count": 35407,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03755257381,
            "variance": 0.0014101958
          },
          {
            "average": 1.00141215,
            "count": 35407,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03755257381,
            "variance": 0.0014101958
          },
          {
            "average": 1,
            "count": 35407,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35407,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 35407,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35407,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 249.0214364,
            "count": 35407,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1450310252,
            "variance": 0.02103399827
          },
          {
            "average": 9.597226537,
            "count": 35407,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.380980625,
            "variance": 1.907107486
          },
          {
            "average": 63365576.92,
            "count": 35407,
            "maximum": 63454327.6,
            "minimum": 63364221.04,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4987.253948,
            "variance": 24872701.94
          },
          {
            "average": 0,
            "count": 35407,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35407,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35407,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35407,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35407,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590684.7783,
          2354569.028,
          -57.38370262,
          590999.6583,
          2354998.468,
          -28.90370262
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590684.7782595888,
                2354569.028367864,
                -57.38370261556853
              ],
              [
                590684.7782595888,
                2354998.4683678644,
                -57.38370261556853
              ],
              [
                590999.6582595886,
                2354998.4683678644,
                -28.903702615568527
              ],
              [
                590999.6582595886,
                2354569.028367864,
                -28.903702615568527
              ],
              [
                590684.7782595888,
                2354569.028367864,
                -57.38370261556853
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T11:58:47+00:00",
        "end_time": "2013-09-16T10:57:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9054.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9054.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9054.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9054.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.125755,
            21.2906577,
            -57.38370262,
            -158.1226966,
            21.29455316,
            -28.90370262
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12575500028117,
                  21.29067347814028,
                  -57.38370261556853
                ],
                [
                  -158.12573206046173,
                  21.294553157937422,
                  -57.38370261556853
                ],
                [
                  -158.12269664616068,
                  21.294537376651366,
                  -28.903702615568527
                ],
                [
                  -158.12271966609617,
                  21.29065769948567,
                  -28.903702615568527
                ],
                [
                  -158.12575500028117,
                  21.29067347814028,
                  -57.38370261556853
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9054.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9054.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T11:58:47Z",
            "pc:count": 35407,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590919.0692,
                "count": 35407,
                "maximum": 590999.6583,
                "minimum": 590684.7783,
                "name": "X",
                "position": 0,
                "stddev": 63.36635293,
                "variance": 4015.294684
              },
              {
                "average": 2354869.497,
                "count": 35407,
                "maximum": 2354998.468,
                "minimum": 2354569.028,
                "name": "Y",
                "position": 1,
                "stddev": 99.12157082,
                "variance": 9825.085803
              },
              {
                "average": -38.42876291,
                "count": 35407,
                "maximum": -28.90370262,
                "minimum": -57.38370262,
                "name": "Z",
                "position": 2,
                "stddev": 6.484916339,
                "variance": 42.05413993
              },
              {
                "average": 1002.284238,
                "count": 35407,
                "maximum": 4913,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 702.3680192,
                "variance": 493320.8344
              },
              {
                "average": 1.00141215,
                "count": 35407,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03755257381,
                "variance": 0.0014101958
              },
              {
                "average": 1.00141215,
                "count": 35407,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03755257381,
                "variance": 0.0014101958
              },
              {
                "average": 1,
                "count": 35407,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35407,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 35407,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35407,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 249.0214364,
                "count": 35407,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1450310252,
                "variance": 0.02103399827
              },
              {
                "average": 9.597226537,
                "count": 35407,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.380980625,
                "variance": 1.907107486
              },
              {
                "average": 63365576.92,
                "count": 35407,
                "maximum": 63454327.6,
                "minimum": 63364221.04,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4987.253948,
                "variance": 24872701.94
              },
              {
                "average": 0,
                "count": 35407,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35407,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35407,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35407,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35407,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590684.7783,
              2354569.028,
              -57.38370262,
              590999.6583,
              2354998.468,
              -28.90370262
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590684.7782595888,
                    2354569.028367864,
                    -57.38370261556853
                  ],
                  [
                    590684.7782595888,
                    2354998.4683678644,
                    -57.38370261556853
                  ],
                  [
                    590999.6582595886,
                    2354998.4683678644,
                    -28.903702615568527
                  ],
                  [
                    590999.6582595886,
                    2354569.028367864,
                    -28.903702615568527
                  ],
                  [
                    590684.7782595888,
                    2354569.028367864,
                    -57.38370261556853
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T11:58:47+00:00",
            "end_time": "2013-09-16T10:57:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0055.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.03593860096444,
              21.294062501812096,
              -11.123968685906755
            ],
            [
              -158.03587968106734,
              21.30309653884916,
              -11.123968685906755
            ],
            [
              -158.02623950150553,
              21.30304102326185,
              -0.763968685906756
            ],
            [
              -158.0262990104872,
              21.29400701194967,
              -0.763968685906756
            ],
            [
              -158.03593860096444,
              21.294062501812096,
              -11.123968685906755
            ]
          ]
        ]
      },
      "bbox": [
        -158.0359386,
        21.29400701,
        -11.12396869,
        -158.0262395,
        21.30309654,
        -0.7639686859
      ],
      "properties": {
        "datetime": "2013-09-17T12:06:06Z",
        "pc:count": 4565763,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 600494.8443,
            "count": 4565763,
            "maximum": 600999.7049,
            "minimum": 599999.7049,
            "name": "X",
            "position": 0,
            "stddev": 289.9691649,
            "variance": 84082.1166
          },
          {
            "average": 2355342.584,
            "count": 4565763,
            "maximum": 2355998.445,
            "minimum": 2354998.445,
            "name": "Y",
            "position": 1,
            "stddev": 229.034727,
            "variance": 52456.90617
          },
          {
            "average": -5.944981281,
            "count": 4565763,
            "maximum": -0.7639686859,
            "minimum": -11.12396869,
            "name": "Z",
            "position": 2,
            "stddev": 2.194489698,
            "variance": 4.815785036
          },
          {
            "average": 9.358086699,
            "count": 4565763,
            "maximum": 1240,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.03877557,
            "variance": 626.9402823
          },
          {
            "average": 1.005454072,
            "count": 4565763,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07377185113,
            "variance": 0.005442286019
          },
          {
            "average": 1.00652662,
            "count": 4565763,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08070818763,
            "variance": 0.00651381155
          },
          {
            "average": 1,
            "count": 4565763,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4565763,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4565763,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4565763,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.96093796,
            "count": 4565763,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 64.10728735,
            "variance": 4109.744291
          },
          {
            "average": 9.097842573,
            "count": 4565763,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.491956686,
            "variance": 20.17767487
          },
          {
            "average": 63386318.56,
            "count": 4565763,
            "maximum": 63454766.16,
            "minimum": 63363366.09,
            "name": "GpsTime",
            "position": 12,
            "stddev": 36503.03512,
            "variance": 1332471573
          },
          {
            "average": 0,
            "count": 4565763,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4565763,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4565763,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4565763,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4565763,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          599999.7049,
          2354998.445,
          -11.12396869,
          600999.7049,
          2355998.445,
          -0.7639686859
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                599999.7049144672,
                2354998.444527627,
                -11.123968685906755
              ],
              [
                599999.7049144672,
                2355998.444527627,
                -11.123968685906755
              ],
              [
                600999.7049144672,
                2355998.444527627,
                -0.763968685906756
              ],
              [
                600999.7049144672,
                2354998.444527627,
                -0.763968685906756
              ],
              [
                599999.7049144672,
                2354998.444527627,
                -11.123968685906755
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:06:06+00:00",
        "end_time": "2013-09-16T10:42:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0055.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0055.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0055.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0055.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0359386,
            21.29400701,
            -11.12396869,
            -158.0262395,
            21.30309654,
            -0.7639686859
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.03593860096444,
                  21.294062501812096,
                  -11.123968685906755
                ],
                [
                  -158.03587968106734,
                  21.30309653884916,
                  -11.123968685906755
                ],
                [
                  -158.02623950150553,
                  21.30304102326185,
                  -0.763968685906756
                ],
                [
                  -158.0262990104872,
                  21.29400701194967,
                  -0.763968685906756
                ],
                [
                  -158.03593860096444,
                  21.294062501812096,
                  -11.123968685906755
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0055.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0055.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:06:06Z",
            "pc:count": 4565763,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 600494.8443,
                "count": 4565763,
                "maximum": 600999.7049,
                "minimum": 599999.7049,
                "name": "X",
                "position": 0,
                "stddev": 289.9691649,
                "variance": 84082.1166
              },
              {
                "average": 2355342.584,
                "count": 4565763,
                "maximum": 2355998.445,
                "minimum": 2354998.445,
                "name": "Y",
                "position": 1,
                "stddev": 229.034727,
                "variance": 52456.90617
              },
              {
                "average": -5.944981281,
                "count": 4565763,
                "maximum": -0.7639686859,
                "minimum": -11.12396869,
                "name": "Z",
                "position": 2,
                "stddev": 2.194489698,
                "variance": 4.815785036
              },
              {
                "average": 9.358086699,
                "count": 4565763,
                "maximum": 1240,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.03877557,
                "variance": 626.9402823
              },
              {
                "average": 1.005454072,
                "count": 4565763,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07377185113,
                "variance": 0.005442286019
              },
              {
                "average": 1.00652662,
                "count": 4565763,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08070818763,
                "variance": 0.00651381155
              },
              {
                "average": 1,
                "count": 4565763,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4565763,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4565763,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4565763,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.96093796,
                "count": 4565763,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 64.10728735,
                "variance": 4109.744291
              },
              {
                "average": 9.097842573,
                "count": 4565763,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.491956686,
                "variance": 20.17767487
              },
              {
                "average": 63386318.56,
                "count": 4565763,
                "maximum": 63454766.16,
                "minimum": 63363366.09,
                "name": "GpsTime",
                "position": 12,
                "stddev": 36503.03512,
                "variance": 1332471573
              },
              {
                "average": 0,
                "count": 4565763,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4565763,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4565763,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4565763,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4565763,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              599999.7049,
              2354998.445,
              -11.12396869,
              600999.7049,
              2355998.445,
              -0.7639686859
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    599999.7049144672,
                    2354998.444527627,
                    -11.123968685906755
                  ],
                  [
                    599999.7049144672,
                    2355998.444527627,
                    -11.123968685906755
                  ],
                  [
                    600999.7049144672,
                    2355998.444527627,
                    -0.763968685906756
                  ],
                  [
                    600999.7049144672,
                    2354998.444527627,
                    -0.763968685906756
                  ],
                  [
                    599999.7049144672,
                    2354998.444527627,
                    -11.123968685906755
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:06:06+00:00",
            "end_time": "2013-09-16T10:42:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8860.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14734995960248,
              21.33983676334768,
              -54.597890714023066
            ],
            [
              -158.14729773506565,
              21.348870846830163,
              -54.597890714023066
            ],
            [
              -158.14166151142174,
              21.348842137080705,
              -24.65789071402307
            ],
            [
              -158.14171408040343,
              21.339808067709622,
              -24.65789071402307
            ],
            [
              -158.14734995960248,
              21.33983676334768,
              -54.597890714023066
            ]
          ]
        ]
      },
      "bbox": [
        -158.14735,
        21.33980807,
        -54.59789071,
        -158.1416615,
        21.34887085,
        -24.65789071
      ],
      "properties": {
        "datetime": "2013-09-19T00:47:42Z",
        "pc:count": 258616,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588809.0722,
            "count": 258616,
            "maximum": 588999.6537,
            "minimum": 588415.1937,
            "name": "X",
            "position": 0,
            "stddev": 135.310811,
            "variance": 18309.01559
          },
          {
            "average": 2360513.513,
            "count": 258616,
            "maximum": 2360998.445,
            "minimum": 2359998.465,
            "name": "Y",
            "position": 1,
            "stddev": 270.9445256,
            "variance": 73410.93596
          },
          {
            "average": -33.66529203,
            "count": 258616,
            "maximum": -24.65789071,
            "minimum": -54.59789071,
            "name": "Z",
            "position": 2,
            "stddev": 6.132319137,
            "variance": 37.605338
          },
          {
            "average": 1506.324914,
            "count": 258616,
            "maximum": 8993,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 984.3431975,
            "variance": 968931.5305
          },
          {
            "average": 1.000394407,
            "count": 258616,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02043168201,
            "variance": 0.0004174536298
          },
          {
            "average": 1.000440808,
            "count": 258616,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02153638539,
            "variance": 0.0004638158958
          },
          {
            "average": 1,
            "count": 258616,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 258616,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 258616,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.46696451,
            "count": 258616,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.780479701,
            "variance": 95.65778319
          },
          {
            "average": 248.7868732,
            "count": 258616,
            "maximum": 251,
            "minimum": 32,
            "name": "UserData",
            "position": 10,
            "stddev": 5.736751179,
            "variance": 32.91031409
          },
          {
            "average": 3.92169858,
            "count": 258616,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.015676995,
            "variance": 9.09430774
          },
          {
            "average": 63466377.34,
            "count": 258616,
            "maximum": 63586862.06,
            "minimum": 62722582.28,
            "name": "GpsTime",
            "position": 12,
            "stddev": 275780.1464,
            "variance": 76054689120.0
          },
          {
            "average": 0,
            "count": 258616,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 258616,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 258616,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 258616,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 258616,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588415.1937,
          2359998.465,
          -54.59789071,
          588999.6537,
          2360998.445,
          -24.65789071
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588415.193679207,
                2359998.4651873196,
                -54.597890714023066
              ],
              [
                588415.193679207,
                2360998.44518732,
                -54.597890714023066
              ],
              [
                588999.653679207,
                2360998.44518732,
                -24.65789071402307
              ],
              [
                588999.653679207,
                2359998.4651873196,
                -24.65789071402307
              ],
              [
                588415.193679207,
                2359998.4651873196,
                -54.597890714023066
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:47:42+00:00",
        "end_time": "2013-09-09T00:43:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8860.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8860.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8860.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8860.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.14735,
            21.33980807,
            -54.59789071,
            -158.1416615,
            21.34887085,
            -24.65789071
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14734995960248,
                  21.33983676334768,
                  -54.597890714023066
                ],
                [
                  -158.14729773506565,
                  21.348870846830163,
                  -54.597890714023066
                ],
                [
                  -158.14166151142174,
                  21.348842137080705,
                  -24.65789071402307
                ],
                [
                  -158.14171408040343,
                  21.339808067709622,
                  -24.65789071402307
                ],
                [
                  -158.14734995960248,
                  21.33983676334768,
                  -54.597890714023066
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8860.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8860.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:47:42Z",
            "pc:count": 258616,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588809.0722,
                "count": 258616,
                "maximum": 588999.6537,
                "minimum": 588415.1937,
                "name": "X",
                "position": 0,
                "stddev": 135.310811,
                "variance": 18309.01559
              },
              {
                "average": 2360513.513,
                "count": 258616,
                "maximum": 2360998.445,
                "minimum": 2359998.465,
                "name": "Y",
                "position": 1,
                "stddev": 270.9445256,
                "variance": 73410.93596
              },
              {
                "average": -33.66529203,
                "count": 258616,
                "maximum": -24.65789071,
                "minimum": -54.59789071,
                "name": "Z",
                "position": 2,
                "stddev": 6.132319137,
                "variance": 37.605338
              },
              {
                "average": 1506.324914,
                "count": 258616,
                "maximum": 8993,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 984.3431975,
                "variance": 968931.5305
              },
              {
                "average": 1.000394407,
                "count": 258616,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02043168201,
                "variance": 0.0004174536298
              },
              {
                "average": 1.000440808,
                "count": 258616,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02153638539,
                "variance": 0.0004638158958
              },
              {
                "average": 1,
                "count": 258616,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 258616,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 258616,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.46696451,
                "count": 258616,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.780479701,
                "variance": 95.65778319
              },
              {
                "average": 248.7868732,
                "count": 258616,
                "maximum": 251,
                "minimum": 32,
                "name": "UserData",
                "position": 10,
                "stddev": 5.736751179,
                "variance": 32.91031409
              },
              {
                "average": 3.92169858,
                "count": 258616,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.015676995,
                "variance": 9.09430774
              },
              {
                "average": 63466377.34,
                "count": 258616,
                "maximum": 63586862.06,
                "minimum": 62722582.28,
                "name": "GpsTime",
                "position": 12,
                "stddev": 275780.1464,
                "variance": 76054689120.0
              },
              {
                "average": 0,
                "count": 258616,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 258616,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 258616,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 258616,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 258616,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588415.1937,
              2359998.465,
              -54.59789071,
              588999.6537,
              2360998.445,
              -24.65789071
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588415.193679207,
                    2359998.4651873196,
                    -54.597890714023066
                  ],
                  [
                    588415.193679207,
                    2360998.44518732,
                    -54.597890714023066
                  ],
                  [
                    588999.653679207,
                    2360998.44518732,
                    -24.65789071402307
                  ],
                  [
                    588999.653679207,
                    2359998.4651873196,
                    -24.65789071402307
                  ],
                  [
                    588415.193679207,
                    2359998.4651873196,
                    -54.597890714023066
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:47:42+00:00",
            "end_time": "2013-09-09T00:43:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9055.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12879173751242,
              21.294569383971446,
              -57.558808259784044
            ],
            [
              -158.12873849188665,
              21.303603295849918,
              -57.558808259784044
            ],
            [
              -158.12264300284392,
              21.30357163757749,
              -6.158808259784045
            ],
            [
              -158.12269662203155,
              21.29453773936756,
              -6.158808259784045
            ],
            [
              -158.12879173751242,
              21.294569383971446,
              -57.558808259784044
            ]
          ]
        ]
      },
      "bbox": [
        -158.1287917,
        21.29453774,
        -57.55880826,
        -158.122643,
        21.3036033,
        -6.15880826
      ],
      "properties": {
        "datetime": "2013-09-16T10:57:09Z",
        "pc:count": 393740,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590852.0265,
            "count": 393740,
            "maximum": 590999.6605,
            "minimum": 590367.3805,
            "name": "X",
            "position": 0,
            "stddev": 125.131603,
            "variance": 15657.91807
          },
          {
            "average": 2355608.919,
            "count": 393740,
            "maximum": 2355998.469,
            "minimum": 2354998.509,
            "name": "Y",
            "position": 1,
            "stddev": 313.4622192,
            "variance": 98258.56289
          },
          {
            "average": -21.32865656,
            "count": 393740,
            "maximum": -6.15880826,
            "minimum": -57.55880826,
            "name": "Z",
            "position": 2,
            "stddev": 11.91962684,
            "variance": 142.077504
          },
          {
            "average": 474.9814471,
            "count": 393740,
            "maximum": 5450,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 591.2302689,
            "variance": 349553.2309
          },
          {
            "average": 1.005866816,
            "count": 393740,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07791757042,
            "variance": 0.00607114778
          },
          {
            "average": 1.009082135,
            "count": 393740,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09895491995,
            "variance": 0.009792076182
          },
          {
            "average": 1,
            "count": 393740,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 393740,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 393740,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.251377684,
            "count": 393740,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.0749808,
            "variance": 101.5052381
          },
          {
            "average": 179.1281785,
            "count": 393740,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 89.38509762,
            "variance": 7989.695676
          },
          {
            "average": 7.131457307,
            "count": 393740,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6698186535,
            "variance": 0.4486570286
          },
          {
            "average": 63094806.54,
            "count": 393740,
            "maximum": 63364229.84,
            "minimum": 62893073.79,
            "name": "GpsTime",
            "position": 12,
            "stddev": 232417.8153,
            "variance": 54018040870.0
          },
          {
            "average": 0,
            "count": 393740,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 393740,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 393740,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 393740,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 393740,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590367.3805,
          2354998.509,
          -57.55880826,
          590999.6605,
          2355998.469,
          -6.15880826
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590367.3805392944,
                2354998.508529476,
                -57.558808259784044
              ],
              [
                590367.3805392944,
                2355998.468529476,
                -57.558808259784044
              ],
              [
                590999.6605392945,
                2355998.468529476,
                -6.158808259784045
              ],
              [
                590999.6605392945,
                2354998.508529476,
                -6.158808259784045
              ],
              [
                590367.3805392944,
                2354998.508529476,
                -57.558808259784044
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:57:09+00:00",
        "end_time": "2013-09-11T00:04:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9055.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9055.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9055.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9055.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1287917,
            21.29453774,
            -57.55880826,
            -158.122643,
            21.3036033,
            -6.15880826
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12879173751242,
                  21.294569383971446,
                  -57.558808259784044
                ],
                [
                  -158.12873849188665,
                  21.303603295849918,
                  -57.558808259784044
                ],
                [
                  -158.12264300284392,
                  21.30357163757749,
                  -6.158808259784045
                ],
                [
                  -158.12269662203155,
                  21.29453773936756,
                  -6.158808259784045
                ],
                [
                  -158.12879173751242,
                  21.294569383971446,
                  -57.558808259784044
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9055.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9055.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:57:09Z",
            "pc:count": 393740,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590852.0265,
                "count": 393740,
                "maximum": 590999.6605,
                "minimum": 590367.3805,
                "name": "X",
                "position": 0,
                "stddev": 125.131603,
                "variance": 15657.91807
              },
              {
                "average": 2355608.919,
                "count": 393740,
                "maximum": 2355998.469,
                "minimum": 2354998.509,
                "name": "Y",
                "position": 1,
                "stddev": 313.4622192,
                "variance": 98258.56289
              },
              {
                "average": -21.32865656,
                "count": 393740,
                "maximum": -6.15880826,
                "minimum": -57.55880826,
                "name": "Z",
                "position": 2,
                "stddev": 11.91962684,
                "variance": 142.077504
              },
              {
                "average": 474.9814471,
                "count": 393740,
                "maximum": 5450,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 591.2302689,
                "variance": 349553.2309
              },
              {
                "average": 1.005866816,
                "count": 393740,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07791757042,
                "variance": 0.00607114778
              },
              {
                "average": 1.009082135,
                "count": 393740,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09895491995,
                "variance": 0.009792076182
              },
              {
                "average": 1,
                "count": 393740,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 393740,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 393740,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.251377684,
                "count": 393740,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.0749808,
                "variance": 101.5052381
              },
              {
                "average": 179.1281785,
                "count": 393740,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 89.38509762,
                "variance": 7989.695676
              },
              {
                "average": 7.131457307,
                "count": 393740,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6698186535,
                "variance": 0.4486570286
              },
              {
                "average": 63094806.54,
                "count": 393740,
                "maximum": 63364229.84,
                "minimum": 62893073.79,
                "name": "GpsTime",
                "position": 12,
                "stddev": 232417.8153,
                "variance": 54018040870.0
              },
              {
                "average": 0,
                "count": 393740,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 393740,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 393740,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 393740,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 393740,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590367.3805,
              2354998.509,
              -57.55880826,
              590999.6605,
              2355998.469,
              -6.15880826
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590367.3805392944,
                    2354998.508529476,
                    -57.558808259784044
                  ],
                  [
                    590367.3805392944,
                    2355998.468529476,
                    -57.558808259784044
                  ],
                  [
                    590999.6605392945,
                    2355998.468529476,
                    -6.158808259784045
                  ],
                  [
                    590999.6605392945,
                    2354998.508529476,
                    -6.158808259784045
                  ],
                  [
                    590367.3805392944,
                    2354998.508529476,
                    -57.558808259784044
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:57:09+00:00",
            "end_time": "2013-09-11T00:04:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8861.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14384001464467,
              21.348853479114574,
              -54.728625595175586
            ],
            [
              -158.14378754909092,
              21.357887728709002,
              -54.728625595175586
            ],
            [
              -158.14160895648016,
              21.357876604443767,
              -28.92862559517559
            ],
            [
              -158.1416615552844,
              21.348842360237846,
              -28.92862559517559
            ],
            [
              -158.14384001464467,
              21.348853479114574,
              -54.728625595175586
            ]
          ]
        ]
      },
      "bbox": [
        -158.14384,
        21.34884236,
        -54.7286256,
        -158.141609,
        21.35788773,
        -28.9286256
      ],
      "properties": {
        "datetime": "2013-09-18T21:15:50Z",
        "pc:count": 95286,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588941.4676,
            "count": 95286,
            "maximum": 588999.649,
            "minimum": 588773.749,
            "name": "X",
            "position": 0,
            "stddev": 42.54616105,
            "variance": 1810.17582
          },
          {
            "average": 2361572.69,
            "count": 95286,
            "maximum": 2361998.47,
            "minimum": 2360998.47,
            "name": "Y",
            "position": 1,
            "stddev": 338.7151275,
            "variance": 114727.9376
          },
          {
            "average": -40.29571604,
            "count": 95286,
            "maximum": -28.9286256,
            "minimum": -54.7286256,
            "name": "Z",
            "position": 2,
            "stddev": 4.309192357,
            "variance": 18.56913877
          },
          {
            "average": 2146.894423,
            "count": 95286,
            "maximum": 8998,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1327.504359,
            "variance": 1762267.823
          },
          {
            "average": 1.000167916,
            "count": 95286,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01295720282,
            "variance": 0.0001678891048
          },
          {
            "average": 1.000272863,
            "count": 95286,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01651639061,
            "variance": 0.0002727911588
          },
          {
            "average": 1,
            "count": 95286,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 95286,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 95286,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.8794949,
            "count": 95286,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.341154107,
            "variance": 69.57485184
          },
          {
            "average": 249.0074827,
            "count": 95286,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.08630070943,
            "variance": 0.007447812448
          },
          {
            "average": 5.158575237,
            "count": 95286,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.112610598,
            "variance": 9.688344736
          },
          {
            "average": 63334868.51,
            "count": 95286,
            "maximum": 63574150.83,
            "minimum": 62720655.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 382092.4296,
            "variance": 145994624700.0
          },
          {
            "average": 0,
            "count": 95286,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 95286,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 95286,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 95286,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 95286,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588773.749,
          2360998.47,
          -54.7286256,
          588999.649,
          2361998.47,
          -28.9286256
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588773.7489962203,
                2360998.4698630185,
                -54.728625595175586
              ],
              [
                588773.7489962203,
                2361998.4698630185,
                -54.728625595175586
              ],
              [
                588999.6489962202,
                2361998.4698630185,
                -28.92862559517559
              ],
              [
                588999.6489962202,
                2360998.4698630185,
                -28.92862559517559
              ],
              [
                588773.7489962203,
                2360998.4698630185,
                -54.728625595175586
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:15:50+00:00",
        "end_time": "2013-09-09T00:10:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8861.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8861.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8861.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8861.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.14384,
            21.34884236,
            -54.7286256,
            -158.141609,
            21.35788773,
            -28.9286256
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14384001464467,
                  21.348853479114574,
                  -54.728625595175586
                ],
                [
                  -158.14378754909092,
                  21.357887728709002,
                  -54.728625595175586
                ],
                [
                  -158.14160895648016,
                  21.357876604443767,
                  -28.92862559517559
                ],
                [
                  -158.1416615552844,
                  21.348842360237846,
                  -28.92862559517559
                ],
                [
                  -158.14384001464467,
                  21.348853479114574,
                  -54.728625595175586
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8861.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8861.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:15:50Z",
            "pc:count": 95286,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588941.4676,
                "count": 95286,
                "maximum": 588999.649,
                "minimum": 588773.749,
                "name": "X",
                "position": 0,
                "stddev": 42.54616105,
                "variance": 1810.17582
              },
              {
                "average": 2361572.69,
                "count": 95286,
                "maximum": 2361998.47,
                "minimum": 2360998.47,
                "name": "Y",
                "position": 1,
                "stddev": 338.7151275,
                "variance": 114727.9376
              },
              {
                "average": -40.29571604,
                "count": 95286,
                "maximum": -28.9286256,
                "minimum": -54.7286256,
                "name": "Z",
                "position": 2,
                "stddev": 4.309192357,
                "variance": 18.56913877
              },
              {
                "average": 2146.894423,
                "count": 95286,
                "maximum": 8998,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1327.504359,
                "variance": 1762267.823
              },
              {
                "average": 1.000167916,
                "count": 95286,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01295720282,
                "variance": 0.0001678891048
              },
              {
                "average": 1.000272863,
                "count": 95286,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01651639061,
                "variance": 0.0002727911588
              },
              {
                "average": 1,
                "count": 95286,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 95286,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 95286,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.8794949,
                "count": 95286,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.341154107,
                "variance": 69.57485184
              },
              {
                "average": 249.0074827,
                "count": 95286,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.08630070943,
                "variance": 0.007447812448
              },
              {
                "average": 5.158575237,
                "count": 95286,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.112610598,
                "variance": 9.688344736
              },
              {
                "average": 63334868.51,
                "count": 95286,
                "maximum": 63574150.83,
                "minimum": 62720655.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 382092.4296,
                "variance": 145994624700.0
              },
              {
                "average": 0,
                "count": 95286,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 95286,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 95286,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 95286,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 95286,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588773.749,
              2360998.47,
              -54.7286256,
              588999.649,
              2361998.47,
              -28.9286256
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588773.7489962203,
                    2360998.4698630185,
                    -54.728625595175586
                  ],
                  [
                    588773.7489962203,
                    2361998.4698630185,
                    -54.728625595175586
                  ],
                  [
                    588999.6489962202,
                    2361998.4698630185,
                    -28.92862559517559
                  ],
                  [
                    588999.6489962202,
                    2360998.4698630185,
                    -28.92862559517559
                  ],
                  [
                    588773.7489962203,
                    2360998.4698630185,
                    -54.728625595175586
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:15:50+00:00",
            "end_time": "2013-09-09T00:10:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130922_ncmp_hi_oahu_4qfj0399.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.00429949146732,
              21.694285896228735,
              -4.668745186411261
            ],
            [
              -158.00425736468347,
              21.700413699085082,
              -4.668745186411261
            ],
            [
              -157.9945908661063,
              21.70035535997233,
              37.71125481358874
            ],
            [
              -157.99463340226248,
              21.69422757506786,
              37.71125481358874
            ],
            [
              -158.00429949146732,
              21.694285896228735,
              -4.668745186411261
            ]
          ]
        ]
      },
      "bbox": [
        -158.0042995,
        21.69422758,
        -4.668745186,
        -157.9945909,
        21.7004137,
        37.71125481
      ],
      "properties": {
        "datetime": "2013-09-23T00:46:44Z",
        "pc:count": 3277018,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 603403.017,
            "count": 3277018,
            "maximum": 603999.6994,
            "minimum": 602999.6794,
            "name": "X",
            "position": 0,
            "stddev": 283.8766495,
            "variance": 80585.95214
          },
          {
            "average": 2399752.937,
            "count": 3277018,
            "maximum": 2399998.503,
            "minimum": 2399320.163,
            "name": "Y",
            "position": 1,
            "stddev": 153.9577174,
            "variance": 23702.97876
          },
          {
            "average": 8.077128523,
            "count": 3277018,
            "maximum": 37.71125481,
            "minimum": -4.668745186,
            "name": "Z",
            "position": 2,
            "stddev": 6.807636055,
            "variance": 46.34390866
          },
          {
            "average": 23.61513699,
            "count": 3277018,
            "maximum": 6762,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.61946432,
            "variance": 1268.746239
          },
          {
            "average": 1.725734799,
            "count": 3277018,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.096709044,
            "variance": 1.202770726
          },
          {
            "average": 2.366903996,
            "count": 3277018,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.593441361,
            "variance": 2.539055371
          },
          {
            "average": 1,
            "count": 3277018,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3277018,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.623597124,
            "count": 3277018,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.135965912,
            "variance": 9.834282201
          },
          {
            "average": 20.1404566,
            "count": 3277018,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.657108086,
            "variance": 7.060223383
          },
          {
            "average": 92.70081153,
            "count": 3277018,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.50617749,
            "variance": 4161.046934
          },
          {
            "average": 14.26289267,
            "count": 3277018,
            "maximum": 15,
            "minimum": 12,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7506805653,
            "variance": 0.5635213111
          },
          {
            "average": 63932175.26,
            "count": 3277018,
            "maximum": 63932404.39,
            "minimum": 63931501.54,
            "name": "GpsTime",
            "position": 12,
            "stddev": 220.726173,
            "variance": 48720.04343
          },
          {
            "average": 0,
            "count": 3277018,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3277018,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3277018,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3277018,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3277018,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          602999.6794,
          2399320.163,
          -4.668745186,
          603999.6994,
          2399998.503,
          37.71125481
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                602999.6794192912,
                2399320.1633338896,
                -4.668745186411261
              ],
              [
                602999.6794192912,
                2399998.5033338894,
                -4.668745186411261
              ],
              [
                603999.6994192912,
                2399998.5033338894,
                37.71125481358874
              ],
              [
                603999.6994192912,
                2399320.1633338896,
                37.71125481358874
              ],
              [
                602999.6794192912,
                2399320.1633338896,
                -4.668745186411261
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:46:44+00:00",
        "end_time": "2013-09-23T00:31:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130922_ncmp_hi_oahu_4qfj0399.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130922_ncmp_hi_oahu_4qfj0399.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130922_ncmp_hi_oahu_4qfj0399.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfj0399.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0042995,
            21.69422758,
            -4.668745186,
            -157.9945909,
            21.7004137,
            37.71125481
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.00429949146732,
                  21.694285896228735,
                  -4.668745186411261
                ],
                [
                  -158.00425736468347,
                  21.700413699085082,
                  -4.668745186411261
                ],
                [
                  -157.9945908661063,
                  21.70035535997233,
                  37.71125481358874
                ],
                [
                  -157.99463340226248,
                  21.69422757506786,
                  37.71125481358874
                ],
                [
                  -158.00429949146732,
                  21.694285896228735,
                  -4.668745186411261
                ]
              ]
            ]
          },
          "id": "20130922_ncmp_hi_oahu_4qfj0399.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfj0399.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:46:44Z",
            "pc:count": 3277018,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 603403.017,
                "count": 3277018,
                "maximum": 603999.6994,
                "minimum": 602999.6794,
                "name": "X",
                "position": 0,
                "stddev": 283.8766495,
                "variance": 80585.95214
              },
              {
                "average": 2399752.937,
                "count": 3277018,
                "maximum": 2399998.503,
                "minimum": 2399320.163,
                "name": "Y",
                "position": 1,
                "stddev": 153.9577174,
                "variance": 23702.97876
              },
              {
                "average": 8.077128523,
                "count": 3277018,
                "maximum": 37.71125481,
                "minimum": -4.668745186,
                "name": "Z",
                "position": 2,
                "stddev": 6.807636055,
                "variance": 46.34390866
              },
              {
                "average": 23.61513699,
                "count": 3277018,
                "maximum": 6762,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.61946432,
                "variance": 1268.746239
              },
              {
                "average": 1.725734799,
                "count": 3277018,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.096709044,
                "variance": 1.202770726
              },
              {
                "average": 2.366903996,
                "count": 3277018,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.593441361,
                "variance": 2.539055371
              },
              {
                "average": 1,
                "count": 3277018,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3277018,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.623597124,
                "count": 3277018,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.135965912,
                "variance": 9.834282201
              },
              {
                "average": 20.1404566,
                "count": 3277018,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.657108086,
                "variance": 7.060223383
              },
              {
                "average": 92.70081153,
                "count": 3277018,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.50617749,
                "variance": 4161.046934
              },
              {
                "average": 14.26289267,
                "count": 3277018,
                "maximum": 15,
                "minimum": 12,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7506805653,
                "variance": 0.5635213111
              },
              {
                "average": 63932175.26,
                "count": 3277018,
                "maximum": 63932404.39,
                "minimum": 63931501.54,
                "name": "GpsTime",
                "position": 12,
                "stddev": 220.726173,
                "variance": 48720.04343
              },
              {
                "average": 0,
                "count": 3277018,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3277018,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3277018,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3277018,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3277018,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              602999.6794,
              2399320.163,
              -4.668745186,
              603999.6994,
              2399998.503,
              37.71125481
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    602999.6794192912,
                    2399320.1633338896,
                    -4.668745186411261
                  ],
                  [
                    602999.6794192912,
                    2399998.5033338894,
                    -4.668745186411261
                  ],
                  [
                    603999.6994192912,
                    2399998.5033338894,
                    37.71125481358874
                  ],
                  [
                    603999.6994192912,
                    2399320.1633338896,
                    37.71125481358874
                  ],
                  [
                    602999.6794192912,
                    2399320.1633338896,
                    -4.668745186411261
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:46:44+00:00",
            "end_time": "2013-09-23T00:31:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8862.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.15016955959888,
              21.357920154995593,
              -57.51339043573479
            ],
            [
              -158.15011745599952,
              21.366954414212735,
              -57.51339043573479
            ],
            [
              -158.1415562808944,
              21.36691084265028,
              -9.473390435734796
            ],
            [
              -158.14160890848467,
              21.357876604294077,
              -9.473390435734796
            ],
            [
              -158.15016955959888,
              21.357920154995593,
              -57.51339043573479
            ]
          ]
        ]
      },
      "bbox": [
        -158.1501696,
        21.3578766,
        -57.51339044,
        -158.1415563,
        21.36695441,
        -9.473390436
      ],
      "properties": {
        "datetime": "2013-09-18T20:53:44Z",
        "pc:count": 881808,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588732.6008,
            "count": 881808,
            "maximum": 588999.654,
            "minimum": 588111.994,
            "name": "X",
            "position": 0,
            "stddev": 186.5165998,
            "variance": 34788.442
          },
          {
            "average": 2362602.831,
            "count": 881808,
            "maximum": 2362998.47,
            "minimum": 2361998.47,
            "name": "Y",
            "position": 1,
            "stddev": 273.9552609,
            "variance": 75051.485
          },
          {
            "average": -27.5548959,
            "count": 881808,
            "maximum": -9.473390436,
            "minimum": -57.51339044,
            "name": "Z",
            "position": 2,
            "stddev": 7.615426348,
            "variance": 57.99471846
          },
          {
            "average": 861.7638466,
            "count": 881808,
            "maximum": 8992,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 788.8542088,
            "variance": 622290.9628
          },
          {
            "average": 1.000466088,
            "count": 881808,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02158404842,
            "variance": 0.0004658711463
          },
          {
            "average": 1.000740524,
            "count": 881808,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02720250866,
            "variance": 0.0007399764776
          },
          {
            "average": 1,
            "count": 881808,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 881808,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 881808,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.2839019,
            "count": 881808,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.680988634,
            "variance": 93.72154093
          },
          {
            "average": 236.8509914,
            "count": 881808,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 46.26168779,
            "variance": 2140.143757
          },
          {
            "average": 5.621403979,
            "count": 881808,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.962402506,
            "variance": 8.775828608
          },
          {
            "average": 63021003.99,
            "count": 881808,
            "maximum": 63572824.45,
            "minimum": 62718310.17,
            "name": "GpsTime",
            "position": 12,
            "stddev": 383986.9364,
            "variance": 147445967300.0
          },
          {
            "average": 0,
            "count": 881808,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 881808,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 881808,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 881808,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 881808,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588111.994,
          2361998.47,
          -57.51339044,
          588999.654,
          2362998.47,
          -9.473390436
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588111.993972855,
                2361998.469873611,
                -57.51339043573479
              ],
              [
                588111.993972855,
                2362998.469873611,
                -57.51339043573479
              ],
              [
                588999.653972855,
                2362998.469873611,
                -9.473390435734796
              ],
              [
                588999.653972855,
                2361998.469873611,
                -9.473390435734796
              ],
              [
                588111.993972855,
                2361998.469873611,
                -57.51339043573479
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:53:44+00:00",
        "end_time": "2013-09-08T23:31:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8862.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8862.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8862.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8862.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1501696,
            21.3578766,
            -57.51339044,
            -158.1415563,
            21.36695441,
            -9.473390436
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.15016955959888,
                  21.357920154995593,
                  -57.51339043573479
                ],
                [
                  -158.15011745599952,
                  21.366954414212735,
                  -57.51339043573479
                ],
                [
                  -158.1415562808944,
                  21.36691084265028,
                  -9.473390435734796
                ],
                [
                  -158.14160890848467,
                  21.357876604294077,
                  -9.473390435734796
                ],
                [
                  -158.15016955959888,
                  21.357920154995593,
                  -57.51339043573479
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8862.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8862.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:53:44Z",
            "pc:count": 881808,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588732.6008,
                "count": 881808,
                "maximum": 588999.654,
                "minimum": 588111.994,
                "name": "X",
                "position": 0,
                "stddev": 186.5165998,
                "variance": 34788.442
              },
              {
                "average": 2362602.831,
                "count": 881808,
                "maximum": 2362998.47,
                "minimum": 2361998.47,
                "name": "Y",
                "position": 1,
                "stddev": 273.9552609,
                "variance": 75051.485
              },
              {
                "average": -27.5548959,
                "count": 881808,
                "maximum": -9.473390436,
                "minimum": -57.51339044,
                "name": "Z",
                "position": 2,
                "stddev": 7.615426348,
                "variance": 57.99471846
              },
              {
                "average": 861.7638466,
                "count": 881808,
                "maximum": 8992,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 788.8542088,
                "variance": 622290.9628
              },
              {
                "average": 1.000466088,
                "count": 881808,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02158404842,
                "variance": 0.0004658711463
              },
              {
                "average": 1.000740524,
                "count": 881808,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02720250866,
                "variance": 0.0007399764776
              },
              {
                "average": 1,
                "count": 881808,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 881808,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 881808,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.2839019,
                "count": 881808,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.680988634,
                "variance": 93.72154093
              },
              {
                "average": 236.8509914,
                "count": 881808,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 46.26168779,
                "variance": 2140.143757
              },
              {
                "average": 5.621403979,
                "count": 881808,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.962402506,
                "variance": 8.775828608
              },
              {
                "average": 63021003.99,
                "count": 881808,
                "maximum": 63572824.45,
                "minimum": 62718310.17,
                "name": "GpsTime",
                "position": 12,
                "stddev": 383986.9364,
                "variance": 147445967300.0
              },
              {
                "average": 0,
                "count": 881808,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 881808,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 881808,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 881808,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 881808,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588111.994,
              2361998.47,
              -57.51339044,
              588999.654,
              2362998.47,
              -9.473390436
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588111.993972855,
                    2361998.469873611,
                    -57.51339043573479
                  ],
                  [
                    588111.993972855,
                    2362998.469873611,
                    -57.51339043573479
                  ],
                  [
                    588999.653972855,
                    2362998.469873611,
                    -9.473390435734796
                  ],
                  [
                    588999.653972855,
                    2361998.469873611,
                    -9.473390435734796
                  ],
                  [
                    588111.993972855,
                    2361998.469873611,
                    -57.51339043573479
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:53:44+00:00",
            "end_time": "2013-09-08T23:31:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9056.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12952178304036,
              21.303607321226092,
              -33.04780321716111
            ],
            [
              -158.12946855991277,
              21.312641581105815,
              -33.04780321716111
            ],
            [
              -158.12258926337313,
              21.31260585286354,
              -4.347803217161109
            ],
            [
              -158.12264290820482,
              21.30357160870074,
              -4.347803217161109
            ],
            [
              -158.12952178304036,
              21.303607321226092,
              -33.04780321716111
            ]
          ]
        ]
      },
      "bbox": [
        -158.1295218,
        21.30357161,
        -33.04780322,
        -158.1225893,
        21.31264158,
        -4.347803217
      ],
      "properties": {
        "datetime": "2013-10-08T22:05:21Z",
        "pc:count": 1240377,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590784.777,
            "count": 1240377,
            "maximum": 590999.6704,
            "minimum": 590286.1304,
            "name": "X",
            "position": 0,
            "stddev": 134.6963703,
            "variance": 18143.11217
          },
          {
            "average": 2356560.474,
            "count": 1240377,
            "maximum": 2356998.465,
            "minimum": 2355998.465,
            "name": "Y",
            "position": 1,
            "stddev": 320.7680777,
            "variance": 102892.1597
          },
          {
            "average": -8.457722282,
            "count": 1240377,
            "maximum": -4.347803217,
            "minimum": -33.04780322,
            "name": "Z",
            "position": 2,
            "stddev": 3.553842641,
            "variance": 12.62979752
          },
          {
            "average": 18.18923924,
            "count": 1240377,
            "maximum": 5035,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 51.0468227,
            "variance": 2605.778108
          },
          {
            "average": 1.009934883,
            "count": 1240377,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09944545444,
            "variance": 0.009889398409
          },
          {
            "average": 1.015769399,
            "count": 1240377,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1250731034,
            "variance": 0.01564328119
          },
          {
            "average": 1,
            "count": 1240377,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1240377,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1240377,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.97883458,
            "count": 1240377,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.473381692,
            "variance": 29.95790715
          },
          {
            "average": 123.6897298,
            "count": 1240377,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 81.84018405,
            "variance": 6697.815725
          },
          {
            "average": 7.691567161,
            "count": 1240377,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.230099619,
            "variance": 4.973344311
          },
          {
            "average": 63050443.69,
            "count": 1240377,
            "maximum": 65305121.57,
            "minimum": 62893063.74,
            "name": "GpsTime",
            "position": 12,
            "stddev": 461385.5022,
            "variance": 212876581700.0
          },
          {
            "average": 0,
            "count": 1240377,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1240377,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1240377,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1240377,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1240377,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590286.1304,
          2355998.465,
          -33.04780322,
          590999.6704,
          2356998.465,
          -4.347803217
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590286.1303736363,
                2355998.4653878286,
                -33.04780321716111
              ],
              [
                590286.1303736363,
                2356998.4653878286,
                -33.04780321716111
              ],
              [
                590999.6703736363,
                2356998.4653878286,
                -4.347803217161109
              ],
              [
                590999.6703736363,
                2355998.4653878286,
                -4.347803217161109
              ],
              [
                590286.1303736363,
                2355998.4653878286,
                -33.04780321716111
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:05:21+00:00",
        "end_time": "2013-09-11T00:04:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9056.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9056.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9056.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9056.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1295218,
            21.30357161,
            -33.04780322,
            -158.1225893,
            21.31264158,
            -4.347803217
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12952178304036,
                  21.303607321226092,
                  -33.04780321716111
                ],
                [
                  -158.12946855991277,
                  21.312641581105815,
                  -33.04780321716111
                ],
                [
                  -158.12258926337313,
                  21.31260585286354,
                  -4.347803217161109
                ],
                [
                  -158.12264290820482,
                  21.30357160870074,
                  -4.347803217161109
                ],
                [
                  -158.12952178304036,
                  21.303607321226092,
                  -33.04780321716111
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9056.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9056.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:05:21Z",
            "pc:count": 1240377,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590784.777,
                "count": 1240377,
                "maximum": 590999.6704,
                "minimum": 590286.1304,
                "name": "X",
                "position": 0,
                "stddev": 134.6963703,
                "variance": 18143.11217
              },
              {
                "average": 2356560.474,
                "count": 1240377,
                "maximum": 2356998.465,
                "minimum": 2355998.465,
                "name": "Y",
                "position": 1,
                "stddev": 320.7680777,
                "variance": 102892.1597
              },
              {
                "average": -8.457722282,
                "count": 1240377,
                "maximum": -4.347803217,
                "minimum": -33.04780322,
                "name": "Z",
                "position": 2,
                "stddev": 3.553842641,
                "variance": 12.62979752
              },
              {
                "average": 18.18923924,
                "count": 1240377,
                "maximum": 5035,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 51.0468227,
                "variance": 2605.778108
              },
              {
                "average": 1.009934883,
                "count": 1240377,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09944545444,
                "variance": 0.009889398409
              },
              {
                "average": 1.015769399,
                "count": 1240377,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1250731034,
                "variance": 0.01564328119
              },
              {
                "average": 1,
                "count": 1240377,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1240377,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1240377,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.97883458,
                "count": 1240377,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.473381692,
                "variance": 29.95790715
              },
              {
                "average": 123.6897298,
                "count": 1240377,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 81.84018405,
                "variance": 6697.815725
              },
              {
                "average": 7.691567161,
                "count": 1240377,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.230099619,
                "variance": 4.973344311
              },
              {
                "average": 63050443.69,
                "count": 1240377,
                "maximum": 65305121.57,
                "minimum": 62893063.74,
                "name": "GpsTime",
                "position": 12,
                "stddev": 461385.5022,
                "variance": 212876581700.0
              },
              {
                "average": 0,
                "count": 1240377,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1240377,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1240377,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1240377,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1240377,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590286.1304,
              2355998.465,
              -33.04780322,
              590999.6704,
              2356998.465,
              -4.347803217
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590286.1303736363,
                    2355998.4653878286,
                    -33.04780321716111
                  ],
                  [
                    590286.1303736363,
                    2356998.4653878286,
                    -33.04780321716111
                  ],
                  [
                    590999.6703736363,
                    2356998.4653878286,
                    -4.347803217161109
                  ],
                  [
                    590999.6703736363,
                    2355998.4653878286,
                    -4.347803217161109
                  ],
                  [
                    590286.1303736363,
                    2355998.4653878286,
                    -33.04780321716111
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:05:21+00:00",
            "end_time": "2013-09-11T00:04:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8370.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.19908033126197,
              21.43043720877184,
              -18.529211590997953
            ],
            [
              -158.19903102662082,
              21.439471513231013,
              -18.529211590997953
            ],
            [
              -158.18938149220108,
              21.43942506121858,
              -1.729211590997954
            ],
            [
              -158.18943139183278,
              21.430390777179657,
              -1.729211590997954
            ],
            [
              -158.19908033126197,
              21.43043720877184,
              -18.529211590997953
            ]
          ]
        ]
      },
      "bbox": [
        -158.1990803,
        21.43039078,
        -18.52921159,
        -158.1893815,
        21.43947151,
        -1.729211591
      ],
      "properties": {
        "datetime": "2013-09-18T21:13:12Z",
        "pc:count": 7021070,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583551.6835,
            "count": 7021070,
            "maximum": 583999.6344,
            "minimum": 582999.6344,
            "name": "X",
            "position": 0,
            "stddev": 274.4256962,
            "variance": 75309.46276
          },
          {
            "average": 2370513.006,
            "count": 7021070,
            "maximum": 2370998.456,
            "minimum": 2369998.456,
            "name": "Y",
            "position": 1,
            "stddev": 288.6864817,
            "variance": 83339.88474
          },
          {
            "average": -7.913597535,
            "count": 7021070,
            "maximum": -1.729211591,
            "minimum": -18.52921159,
            "name": "Z",
            "position": 2,
            "stddev": 3.159445488,
            "variance": 9.982095792
          },
          {
            "average": 22.93573045,
            "count": 7021070,
            "maximum": 7737,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 53.68846142,
            "variance": 2882.450889
          },
          {
            "average": 1.011847624,
            "count": 7021070,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1091215572,
            "variance": 0.01190751424
          },
          {
            "average": 1.020895818,
            "count": 7021070,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1445540426,
            "variance": 0.02089587122
          },
          {
            "average": 1,
            "count": 7021070,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7021070,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 7021070,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.61659879,
            "count": 7021070,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.427889331,
            "variance": 11.75042526
          },
          {
            "average": 97.20720517,
            "count": 7021070,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 74.5768054,
            "variance": 5561.699904
          },
          {
            "average": 5.904833879,
            "count": 7021070,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.965325856,
            "variance": 8.79315743
          },
          {
            "average": 62982778.45,
            "count": 7021070,
            "maximum": 63573992.53,
            "minimum": 62717475.41,
            "name": "GpsTime",
            "position": 12,
            "stddev": 361390.0365,
            "variance": 130602758500.0
          },
          {
            "average": 0,
            "count": 7021070,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7021070,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7021070,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7021070,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7021070,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582999.6344,
          2369998.456,
          -18.52921159,
          583999.6344,
          2370998.456,
          -1.729211591
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582999.6344464978,
                2369998.4562600823,
                -18.529211590997953
              ],
              [
                582999.6344464978,
                2370998.4562600823,
                -18.529211590997953
              ],
              [
                583999.6344464978,
                2370998.4562600823,
                -1.729211590997954
              ],
              [
                583999.6344464978,
                2369998.4562600823,
                -1.729211590997954
              ],
              [
                582999.6344464978,
                2369998.4562600823,
                -18.529211590997953
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:13:12+00:00",
        "end_time": "2013-09-08T23:17:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8370.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8370.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8370.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8370.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1990803,
            21.43039078,
            -18.52921159,
            -158.1893815,
            21.43947151,
            -1.729211591
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.19908033126197,
                  21.43043720877184,
                  -18.529211590997953
                ],
                [
                  -158.19903102662082,
                  21.439471513231013,
                  -18.529211590997953
                ],
                [
                  -158.18938149220108,
                  21.43942506121858,
                  -1.729211590997954
                ],
                [
                  -158.18943139183278,
                  21.430390777179657,
                  -1.729211590997954
                ],
                [
                  -158.19908033126197,
                  21.43043720877184,
                  -18.529211590997953
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8370.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8370.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:13:12Z",
            "pc:count": 7021070,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583551.6835,
                "count": 7021070,
                "maximum": 583999.6344,
                "minimum": 582999.6344,
                "name": "X",
                "position": 0,
                "stddev": 274.4256962,
                "variance": 75309.46276
              },
              {
                "average": 2370513.006,
                "count": 7021070,
                "maximum": 2370998.456,
                "minimum": 2369998.456,
                "name": "Y",
                "position": 1,
                "stddev": 288.6864817,
                "variance": 83339.88474
              },
              {
                "average": -7.913597535,
                "count": 7021070,
                "maximum": -1.729211591,
                "minimum": -18.52921159,
                "name": "Z",
                "position": 2,
                "stddev": 3.159445488,
                "variance": 9.982095792
              },
              {
                "average": 22.93573045,
                "count": 7021070,
                "maximum": 7737,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 53.68846142,
                "variance": 2882.450889
              },
              {
                "average": 1.011847624,
                "count": 7021070,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1091215572,
                "variance": 0.01190751424
              },
              {
                "average": 1.020895818,
                "count": 7021070,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1445540426,
                "variance": 0.02089587122
              },
              {
                "average": 1,
                "count": 7021070,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7021070,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 7021070,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.61659879,
                "count": 7021070,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.427889331,
                "variance": 11.75042526
              },
              {
                "average": 97.20720517,
                "count": 7021070,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 74.5768054,
                "variance": 5561.699904
              },
              {
                "average": 5.904833879,
                "count": 7021070,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.965325856,
                "variance": 8.79315743
              },
              {
                "average": 62982778.45,
                "count": 7021070,
                "maximum": 63573992.53,
                "minimum": 62717475.41,
                "name": "GpsTime",
                "position": 12,
                "stddev": 361390.0365,
                "variance": 130602758500.0
              },
              {
                "average": 0,
                "count": 7021070,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7021070,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7021070,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7021070,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7021070,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582999.6344,
              2369998.456,
              -18.52921159,
              583999.6344,
              2370998.456,
              -1.729211591
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582999.6344464978,
                    2369998.4562600823,
                    -18.529211590997953
                  ],
                  [
                    582999.6344464978,
                    2370998.4562600823,
                    -18.529211590997953
                  ],
                  [
                    583999.6344464978,
                    2370998.4562600823,
                    -1.729211590997954
                  ],
                  [
                    583999.6344464978,
                    2369998.4562600823,
                    -1.729211590997954
                  ],
                  [
                    582999.6344464978,
                    2369998.4562600823,
                    -18.529211590997953
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:13:12+00:00",
            "end_time": "2013-09-08T23:17:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9354.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.10347157222134,
              21.285401525338322,
              -9.019695393395477
            ],
            [
              -158.10341679772154,
              21.294435752232484,
              -9.019695393395477
            ],
            [
              -158.0937770017599,
              21.294384120592262,
              0.460304606604524
            ],
            [
              -158.09383236427462,
              21.285349918441856,
              0.460304606604524
            ],
            [
              -158.10347157222134,
              21.285401525338322,
              -9.019695393395477
            ]
          ]
        ]
      },
      "bbox": [
        -158.1034716,
        21.28534992,
        -9.019695393,
        -158.093777,
        21.29443575,
        0.4603046066
      ],
      "properties": {
        "datetime": "2013-09-19T00:49:24Z",
        "pc:count": 9078853,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593482.523,
            "count": 9078853,
            "maximum": 593999.6749,
            "minimum": 592999.6749,
            "name": "X",
            "position": 0,
            "stddev": 293.6611798,
            "variance": 86236.8885
          },
          {
            "average": 2354477.496,
            "count": 9078853,
            "maximum": 2354998.465,
            "minimum": 2353998.465,
            "name": "Y",
            "position": 1,
            "stddev": 269.5056422,
            "variance": 72633.29119
          },
          {
            "average": -3.68317047,
            "count": 9078853,
            "maximum": 0.4603046066,
            "minimum": -9.019695393,
            "name": "Z",
            "position": 2,
            "stddev": 1.692927624,
            "variance": 2.86600394
          },
          {
            "average": 9.893518818,
            "count": 9078853,
            "maximum": 8909,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.88924306,
            "variance": 893.3668504
          },
          {
            "average": 1.018311344,
            "count": 9078853,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1364573761,
            "variance": 0.0186206155
          },
          {
            "average": 1.026529563,
            "count": 9078853,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1636340071,
            "variance": 0.02677608827
          },
          {
            "average": 1,
            "count": 9078853,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9078853,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 9078853,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.0211207,
            "count": 9078853,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.04831168,
            "variance": 100.9685676
          },
          {
            "average": 92.98170165,
            "count": 9078853,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 69.68030401,
            "variance": 4855.344768
          },
          {
            "average": 6.392899852,
            "count": 9078853,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.855568885,
            "variance": 23.57654919
          },
          {
            "average": 63406800.19,
            "count": 9078853,
            "maximum": 63586964.45,
            "minimum": 62722687.74,
            "name": "GpsTime",
            "position": 12,
            "stddev": 210925.5333,
            "variance": 44489580610.0
          },
          {
            "average": 0,
            "count": 9078853,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9078853,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9078853,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9078853,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9078853,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592999.6749,
          2353998.465,
          -9.019695393,
          593999.6749,
          2354998.465,
          0.4603046066
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592999.6748957399,
                2353998.465219869,
                -9.019695393395477
              ],
              [
                592999.6748957399,
                2354998.465219869,
                -9.019695393395477
              ],
              [
                593999.6748957399,
                2354998.465219869,
                0.460304606604524
              ],
              [
                593999.6748957399,
                2353998.465219869,
                0.460304606604524
              ],
              [
                592999.6748957399,
                2353998.465219869,
                -9.019695393395477
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:49:24+00:00",
        "end_time": "2013-09-09T00:44:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9354.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9354.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9354.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9354.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1034716,
            21.28534992,
            -9.019695393,
            -158.093777,
            21.29443575,
            0.4603046066
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.10347157222134,
                  21.285401525338322,
                  -9.019695393395477
                ],
                [
                  -158.10341679772154,
                  21.294435752232484,
                  -9.019695393395477
                ],
                [
                  -158.0937770017599,
                  21.294384120592262,
                  0.460304606604524
                ],
                [
                  -158.09383236427462,
                  21.285349918441856,
                  0.460304606604524
                ],
                [
                  -158.10347157222134,
                  21.285401525338322,
                  -9.019695393395477
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9354.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9354.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:49:24Z",
            "pc:count": 9078853,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593482.523,
                "count": 9078853,
                "maximum": 593999.6749,
                "minimum": 592999.6749,
                "name": "X",
                "position": 0,
                "stddev": 293.6611798,
                "variance": 86236.8885
              },
              {
                "average": 2354477.496,
                "count": 9078853,
                "maximum": 2354998.465,
                "minimum": 2353998.465,
                "name": "Y",
                "position": 1,
                "stddev": 269.5056422,
                "variance": 72633.29119
              },
              {
                "average": -3.68317047,
                "count": 9078853,
                "maximum": 0.4603046066,
                "minimum": -9.019695393,
                "name": "Z",
                "position": 2,
                "stddev": 1.692927624,
                "variance": 2.86600394
              },
              {
                "average": 9.893518818,
                "count": 9078853,
                "maximum": 8909,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.88924306,
                "variance": 893.3668504
              },
              {
                "average": 1.018311344,
                "count": 9078853,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1364573761,
                "variance": 0.0186206155
              },
              {
                "average": 1.026529563,
                "count": 9078853,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1636340071,
                "variance": 0.02677608827
              },
              {
                "average": 1,
                "count": 9078853,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9078853,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 9078853,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.0211207,
                "count": 9078853,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.04831168,
                "variance": 100.9685676
              },
              {
                "average": 92.98170165,
                "count": 9078853,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 69.68030401,
                "variance": 4855.344768
              },
              {
                "average": 6.392899852,
                "count": 9078853,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.855568885,
                "variance": 23.57654919
              },
              {
                "average": 63406800.19,
                "count": 9078853,
                "maximum": 63586964.45,
                "minimum": 62722687.74,
                "name": "GpsTime",
                "position": 12,
                "stddev": 210925.5333,
                "variance": 44489580610.0
              },
              {
                "average": 0,
                "count": 9078853,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9078853,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9078853,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9078853,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9078853,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592999.6749,
              2353998.465,
              -9.019695393,
              593999.6749,
              2354998.465,
              0.4603046066
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592999.6748957399,
                    2353998.465219869,
                    -9.019695393395477
                  ],
                  [
                    592999.6748957399,
                    2354998.465219869,
                    -9.019695393395477
                  ],
                  [
                    593999.6748957399,
                    2354998.465219869,
                    0.460304606604524
                  ],
                  [
                    593999.6748957399,
                    2353998.465219869,
                    0.460304606604524
                  ],
                  [
                    592999.6748957399,
                    2353998.465219869,
                    -9.019695393395477
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:49:24+00:00",
            "end_time": "2013-09-09T00:44:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9793.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0626648707467,
              21.637515780537786,
              -0.837800710654918
            ],
            [
              -158.0626065760364,
              21.64654952318171,
              -0.837800710654918
            ],
            [
              -158.05540231045347,
              21.646508714655123,
              134.86219928934509
            ],
            [
              -158.05546105393773,
              21.637474990418628,
              134.86219928934509
            ],
            [
              -158.0626648707467,
              21.637515780537786,
              -0.837800710654918
            ]
          ]
        ]
      },
      "bbox": [
        -158.0626649,
        21.63747499,
        -0.8378007107,
        -158.0554023,
        21.64654952,
        134.8621993
      ],
      "properties": {
        "datetime": "2013-09-22T23:57:25Z",
        "pc:count": 9099710,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 597264.6297,
            "count": 9099710,
            "maximum": 597745.2089,
            "minimum": 596999.6489,
            "name": "X",
            "position": 0,
            "stddev": 169.631776,
            "variance": 28774.93942
          },
          {
            "average": 2393634.971,
            "count": 9099710,
            "maximum": 2393998.489,
            "minimum": 2392998.489,
            "name": "Y",
            "position": 1,
            "stddev": 256.9273188,
            "variance": 66011.64716
          },
          {
            "average": 69.27793003,
            "count": 9099710,
            "maximum": 134.8621993,
            "minimum": -0.8378007107,
            "name": "Z",
            "position": 2,
            "stddev": 35.81485373,
            "variance": 1282.703747
          },
          {
            "average": 5.90047485,
            "count": 9099710,
            "maximum": 948,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 13.68017246,
            "variance": 187.1471186
          },
          {
            "average": 2.193195058,
            "count": 9099710,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.184773493,
            "variance": 1.40368823
          },
          {
            "average": 3.387079808,
            "count": 9099710,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.449306944,
            "variance": 2.100490617
          },
          {
            "average": 1,
            "count": 9099710,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9099710,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.088913163,
            "count": 9099710,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.7889469203,
            "variance": 0.622437243
          },
          {
            "average": 20.15907744,
            "count": 9099710,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.517114648,
            "variance": 20.40432474
          },
          {
            "average": 91.23802868,
            "count": 9099710,
            "maximum": 216,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.73719394,
            "variance": 4588.327443
          },
          {
            "average": 4.186086809,
            "count": 9099710,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.447382174,
            "variance": 5.989679506
          },
          {
            "average": 63343201.9,
            "count": 9099710,
            "maximum": 63929445.18,
            "minimum": 62874360.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 390629.3529,
            "variance": 152591291400.0
          },
          {
            "average": 0,
            "count": 9099710,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9099710,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9099710,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9099710,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9099710,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          596999.6489,
          2392998.489,
          -0.8378007107,
          597745.2089,
          2393998.489,
          134.8621993
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                596999.648927487,
                2392998.488868961,
                -0.837800710654918
              ],
              [
                596999.648927487,
                2393998.488868961,
                -0.837800710654918
              ],
              [
                597745.208927487,
                2393998.488868961,
                134.86219928934509
              ],
              [
                597745.208927487,
                2392998.488868961,
                134.86219928934509
              ],
              [
                596999.648927487,
                2392998.488868961,
                -0.837800710654918
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:57:25+00:00",
        "end_time": "2013-09-10T18:52:40+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9793.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9793.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9793.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9793.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0626649,
            21.63747499,
            -0.8378007107,
            -158.0554023,
            21.64654952,
            134.8621993
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0626648707467,
                  21.637515780537786,
                  -0.837800710654918
                ],
                [
                  -158.0626065760364,
                  21.64654952318171,
                  -0.837800710654918
                ],
                [
                  -158.05540231045347,
                  21.646508714655123,
                  134.86219928934509
                ],
                [
                  -158.05546105393773,
                  21.637474990418628,
                  134.86219928934509
                ],
                [
                  -158.0626648707467,
                  21.637515780537786,
                  -0.837800710654918
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9793.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9793.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:57:25Z",
            "pc:count": 9099710,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 597264.6297,
                "count": 9099710,
                "maximum": 597745.2089,
                "minimum": 596999.6489,
                "name": "X",
                "position": 0,
                "stddev": 169.631776,
                "variance": 28774.93942
              },
              {
                "average": 2393634.971,
                "count": 9099710,
                "maximum": 2393998.489,
                "minimum": 2392998.489,
                "name": "Y",
                "position": 1,
                "stddev": 256.9273188,
                "variance": 66011.64716
              },
              {
                "average": 69.27793003,
                "count": 9099710,
                "maximum": 134.8621993,
                "minimum": -0.8378007107,
                "name": "Z",
                "position": 2,
                "stddev": 35.81485373,
                "variance": 1282.703747
              },
              {
                "average": 5.90047485,
                "count": 9099710,
                "maximum": 948,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 13.68017246,
                "variance": 187.1471186
              },
              {
                "average": 2.193195058,
                "count": 9099710,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.184773493,
                "variance": 1.40368823
              },
              {
                "average": 3.387079808,
                "count": 9099710,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.449306944,
                "variance": 2.100490617
              },
              {
                "average": 1,
                "count": 9099710,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9099710,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.088913163,
                "count": 9099710,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.7889469203,
                "variance": 0.622437243
              },
              {
                "average": 20.15907744,
                "count": 9099710,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.517114648,
                "variance": 20.40432474
              },
              {
                "average": 91.23802868,
                "count": 9099710,
                "maximum": 216,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.73719394,
                "variance": 4588.327443
              },
              {
                "average": 4.186086809,
                "count": 9099710,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.447382174,
                "variance": 5.989679506
              },
              {
                "average": 63343201.9,
                "count": 9099710,
                "maximum": 63929445.18,
                "minimum": 62874360.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 390629.3529,
                "variance": 152591291400.0
              },
              {
                "average": 0,
                "count": 9099710,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9099710,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9099710,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9099710,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9099710,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              596999.6489,
              2392998.489,
              -0.8378007107,
              597745.2089,
              2393998.489,
              134.8621993
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    596999.648927487,
                    2392998.488868961,
                    -0.837800710654918
                  ],
                  [
                    596999.648927487,
                    2393998.488868961,
                    -0.837800710654918
                  ],
                  [
                    597745.208927487,
                    2393998.488868961,
                    134.86219928934509
                  ],
                  [
                    597745.208927487,
                    2392998.488868961,
                    134.86219928934509
                  ],
                  [
                    596999.648927487,
                    2392998.488868961,
                    -0.837800710654918
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:57:25+00:00",
            "end_time": "2013-09-10T18:52:40+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0454.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.99742517292054,
              21.287221073575317,
              -27.604350938307768
            ],
            [
              -157.99738031718093,
              21.293837170772314,
              -27.604350938307768
            ],
            [
              -157.98774086111789,
              21.29377948590779,
              -8.90435093830777
            ],
            [
              -157.9877861474498,
              21.287163407613367,
              -8.90435093830777
            ],
            [
              -157.99742517292054,
              21.287221073575317,
              -27.604350938307768
            ]
          ]
        ]
      },
      "bbox": [
        -157.9974252,
        21.28716341,
        -27.60435094,
        -157.9877409,
        21.29383717,
        -8.904350938
      ],
      "properties": {
        "datetime": "2013-09-17T12:17:25Z",
        "pc:count": 1859197,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 604482.7452,
            "count": 1859197,
            "maximum": 604999.7151,
            "minimum": 603999.7151,
            "name": "X",
            "position": 0,
            "stddev": 291.9050509,
            "variance": 85208.55871
          },
          {
            "average": 2354799.333,
            "count": 1859197,
            "maximum": 2354998.436,
            "minimum": 2354266.076,
            "name": "Y",
            "position": 1,
            "stddev": 157.0261548,
            "variance": 24657.21329
          },
          {
            "average": -12.67156913,
            "count": 1859197,
            "maximum": -8.904350938,
            "minimum": -27.60435094,
            "name": "Z",
            "position": 2,
            "stddev": 2.405896918,
            "variance": 5.788339981
          },
          {
            "average": 54.1180074,
            "count": 1859197,
            "maximum": 1037,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 108.1934695,
            "variance": 11705.82685
          },
          {
            "average": 1.001084877,
            "count": 1859197,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03322859511,
            "variance": 0.001104139533
          },
          {
            "average": 1.001204283,
            "count": 1859197,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03515937217,
            "variance": 0.001236181451
          },
          {
            "average": 1,
            "count": 1859197,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1859197,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1859197,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1859197,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 115.334616,
            "count": 1859197,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 82.60366176,
            "variance": 6823.364936
          },
          {
            "average": 3.545319834,
            "count": 1859197,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.488599159,
            "variance": 6.193125775
          },
          {
            "average": 63329665.65,
            "count": 1859197,
            "maximum": 63455445.95,
            "minimum": 63275615.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 74482.98069,
            "variance": 5547714412
          },
          {
            "average": 0,
            "count": 1859197,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1859197,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1859197,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1859197,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1859197,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          603999.7151,
          2354266.076,
          -27.60435094,
          604999.7151,
          2354998.436,
          -8.904350938
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                603999.7151082007,
                2354266.075723078,
                -27.604350938307768
              ],
              [
                603999.7151082007,
                2354998.4357230784,
                -27.604350938307768
              ],
              [
                604999.7151082007,
                2354998.4357230784,
                -8.90435093830777
              ],
              [
                604999.7151082007,
                2354266.075723078,
                -8.90435093830777
              ],
              [
                603999.7151082007,
                2354266.075723078,
                -27.604350938307768
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:17:25+00:00",
        "end_time": "2013-09-15T10:20:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0454.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0454.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0454.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0454.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9974252,
            21.28716341,
            -27.60435094,
            -157.9877409,
            21.29383717,
            -8.904350938
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.99742517292054,
                  21.287221073575317,
                  -27.604350938307768
                ],
                [
                  -157.99738031718093,
                  21.293837170772314,
                  -27.604350938307768
                ],
                [
                  -157.98774086111789,
                  21.29377948590779,
                  -8.90435093830777
                ],
                [
                  -157.9877861474498,
                  21.287163407613367,
                  -8.90435093830777
                ],
                [
                  -157.99742517292054,
                  21.287221073575317,
                  -27.604350938307768
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0454.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0454.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:17:25Z",
            "pc:count": 1859197,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 604482.7452,
                "count": 1859197,
                "maximum": 604999.7151,
                "minimum": 603999.7151,
                "name": "X",
                "position": 0,
                "stddev": 291.9050509,
                "variance": 85208.55871
              },
              {
                "average": 2354799.333,
                "count": 1859197,
                "maximum": 2354998.436,
                "minimum": 2354266.076,
                "name": "Y",
                "position": 1,
                "stddev": 157.0261548,
                "variance": 24657.21329
              },
              {
                "average": -12.67156913,
                "count": 1859197,
                "maximum": -8.904350938,
                "minimum": -27.60435094,
                "name": "Z",
                "position": 2,
                "stddev": 2.405896918,
                "variance": 5.788339981
              },
              {
                "average": 54.1180074,
                "count": 1859197,
                "maximum": 1037,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 108.1934695,
                "variance": 11705.82685
              },
              {
                "average": 1.001084877,
                "count": 1859197,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03322859511,
                "variance": 0.001104139533
              },
              {
                "average": 1.001204283,
                "count": 1859197,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03515937217,
                "variance": 0.001236181451
              },
              {
                "average": 1,
                "count": 1859197,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1859197,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1859197,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1859197,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 115.334616,
                "count": 1859197,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 82.60366176,
                "variance": 6823.364936
              },
              {
                "average": 3.545319834,
                "count": 1859197,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.488599159,
                "variance": 6.193125775
              },
              {
                "average": 63329665.65,
                "count": 1859197,
                "maximum": 63455445.95,
                "minimum": 63275615.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 74482.98069,
                "variance": 5547714412
              },
              {
                "average": 0,
                "count": 1859197,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1859197,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1859197,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1859197,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1859197,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              603999.7151,
              2354266.076,
              -27.60435094,
              604999.7151,
              2354998.436,
              -8.904350938
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    603999.7151082007,
                    2354266.075723078,
                    -27.604350938307768
                  ],
                  [
                    603999.7151082007,
                    2354998.4357230784,
                    -27.604350938307768
                  ],
                  [
                    604999.7151082007,
                    2354998.4357230784,
                    -8.90435093830777
                  ],
                  [
                    604999.7151082007,
                    2354266.075723078,
                    -8.90435093830777
                  ],
                  [
                    603999.7151082007,
                    2354266.075723078,
                    -27.604350938307768
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:17:25+00:00",
            "end_time": "2013-09-15T10:20:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9057.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.13223039827488,
              21.312655755261744,
              -34.517489912914655
            ],
            [
              -158.1321773196622,
              21.321690187362286,
              -34.517489912914655
            ],
            [
              -158.1225356488437,
              21.321640166616568,
              7.82251008708535
            ],
            [
              -158.12258931824834,
              21.312605757189754,
              7.82251008708535
            ],
            [
              -158.13223039827488,
              21.312655755261744,
              -34.517489912914655
            ]
          ]
        ]
      },
      "bbox": [
        -158.1322304,
        21.31260576,
        -34.51748991,
        -158.1225356,
        21.32169019,
        7.822510087
      ],
      "properties": {
        "datetime": "2013-10-08T22:05:37Z",
        "pc:count": 3471203,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 590681.3106,
            "count": 3471203,
            "maximum": 590999.6647,
            "minimum": 589999.6647,
            "name": "X",
            "position": 0,
            "stddev": 241.4585874,
            "variance": 58302.24943
          },
          {
            "average": 2357540.184,
            "count": 3471203,
            "maximum": 2357998.475,
            "minimum": 2356998.455,
            "name": "Y",
            "position": 1,
            "stddev": 276.4418631,
            "variance": 76420.10369
          },
          {
            "average": -8.147124106,
            "count": 3471203,
            "maximum": 7.822510087,
            "minimum": -34.51748991,
            "name": "Z",
            "position": 2,
            "stddev": 3.77607139,
            "variance": 14.25871515
          },
          {
            "average": 19.66333574,
            "count": 3471203,
            "maximum": 6435,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 43.82132956,
            "variance": 1920.308924
          },
          {
            "average": 1.008502528,
            "count": 3471203,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09251648053,
            "variance": 0.008559299169
          },
          {
            "average": 1.014583129,
            "count": 3471203,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1210487015,
            "variance": 0.01465278812
          },
          {
            "average": 1,
            "count": 3471203,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3471203,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.99875778,
            "count": 3471203,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.1864956963,
            "variance": 0.03478064473
          },
          {
            "average": 15.23283537,
            "count": 3471203,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.618286977,
            "variance": 74.27487042
          },
          {
            "average": 104.9136129,
            "count": 3471203,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 75.22844781,
            "variance": 5659.319359
          },
          {
            "average": 4.476892593,
            "count": 3471203,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.658378015,
            "variance": 13.3837297
          },
          {
            "average": 63685186.01,
            "count": 3471203,
            "maximum": 65305137.06,
            "minimum": 62722957.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 816793.0596,
            "variance": 667150902300.0
          },
          {
            "average": 0,
            "count": 3471203,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3471203,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3471203,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3471203,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3471203,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          589999.6647,
          2356998.455,
          -34.51748991,
          590999.6647,
          2357998.475,
          7.822510087
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                589999.6647409243,
                2356998.4547663387,
                -34.517489912914655
              ],
              [
                589999.6647409243,
                2357998.4747663382,
                -34.517489912914655
              ],
              [
                590999.6647409243,
                2357998.4747663382,
                7.82251008708535
              ],
              [
                590999.6647409243,
                2356998.4547663387,
                7.82251008708535
              ],
              [
                589999.6647409243,
                2356998.4547663387,
                -34.517489912914655
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:05:37+00:00",
        "end_time": "2013-09-09T00:49:17+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9057.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9057.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9057.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9057.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1322304,
            21.31260576,
            -34.51748991,
            -158.1225356,
            21.32169019,
            7.822510087
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.13223039827488,
                  21.312655755261744,
                  -34.517489912914655
                ],
                [
                  -158.1321773196622,
                  21.321690187362286,
                  -34.517489912914655
                ],
                [
                  -158.1225356488437,
                  21.321640166616568,
                  7.82251008708535
                ],
                [
                  -158.12258931824834,
                  21.312605757189754,
                  7.82251008708535
                ],
                [
                  -158.13223039827488,
                  21.312655755261744,
                  -34.517489912914655
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9057.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9057.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:05:37Z",
            "pc:count": 3471203,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 590681.3106,
                "count": 3471203,
                "maximum": 590999.6647,
                "minimum": 589999.6647,
                "name": "X",
                "position": 0,
                "stddev": 241.4585874,
                "variance": 58302.24943
              },
              {
                "average": 2357540.184,
                "count": 3471203,
                "maximum": 2357998.475,
                "minimum": 2356998.455,
                "name": "Y",
                "position": 1,
                "stddev": 276.4418631,
                "variance": 76420.10369
              },
              {
                "average": -8.147124106,
                "count": 3471203,
                "maximum": 7.822510087,
                "minimum": -34.51748991,
                "name": "Z",
                "position": 2,
                "stddev": 3.77607139,
                "variance": 14.25871515
              },
              {
                "average": 19.66333574,
                "count": 3471203,
                "maximum": 6435,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 43.82132956,
                "variance": 1920.308924
              },
              {
                "average": 1.008502528,
                "count": 3471203,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09251648053,
                "variance": 0.008559299169
              },
              {
                "average": 1.014583129,
                "count": 3471203,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1210487015,
                "variance": 0.01465278812
              },
              {
                "average": 1,
                "count": 3471203,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3471203,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.99875778,
                "count": 3471203,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.1864956963,
                "variance": 0.03478064473
              },
              {
                "average": 15.23283537,
                "count": 3471203,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.618286977,
                "variance": 74.27487042
              },
              {
                "average": 104.9136129,
                "count": 3471203,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 75.22844781,
                "variance": 5659.319359
              },
              {
                "average": 4.476892593,
                "count": 3471203,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.658378015,
                "variance": 13.3837297
              },
              {
                "average": 63685186.01,
                "count": 3471203,
                "maximum": 65305137.06,
                "minimum": 62722957.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 816793.0596,
                "variance": 667150902300.0
              },
              {
                "average": 0,
                "count": 3471203,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3471203,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3471203,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3471203,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3471203,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              589999.6647,
              2356998.455,
              -34.51748991,
              590999.6647,
              2357998.475,
              7.822510087
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    589999.6647409243,
                    2356998.4547663387,
                    -34.517489912914655
                  ],
                  [
                    589999.6647409243,
                    2357998.4747663382,
                    -34.517489912914655
                  ],
                  [
                    590999.6647409243,
                    2357998.4747663382,
                    7.82251008708535
                  ],
                  [
                    590999.6647409243,
                    2356998.4547663387,
                    7.82251008708535
                  ],
                  [
                    589999.6647409243,
                    2356998.4547663387,
                    -34.517489912914655
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:05:37+00:00",
            "end_time": "2013-09-09T00:49:17+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8863.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.15120102394872,
              21.36695985565419,
              -54.245967168489365
            ],
            [
              -158.15114896520512,
              21.375994118010414,
              -54.245967168489365
            ],
            [
              -158.14150352197854,
              21.375945040661563,
              2.394032831510636
            ],
            [
              -158.14155617400453,
              21.366910799687414,
              2.394032831510636
            ],
            [
              -158.15120102394872,
              21.36695985565419,
              -54.245967168489365
            ]
          ]
        ]
      },
      "bbox": [
        -158.151201,
        21.3669108,
        -54.24596717,
        -158.1415035,
        21.37599412,
        2.394032832
      ],
      "properties": {
        "datetime": "2013-09-18T20:53:26Z",
        "pc:count": 5355556,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588644.9338,
            "count": 5355556,
            "maximum": 588999.6651,
            "minimum": 587999.6451,
            "name": "X",
            "position": 0,
            "stddev": 250.3615149,
            "variance": 62680.88813
          },
          {
            "average": 2363608.969,
            "count": 5355556,
            "maximum": 2363998.465,
            "minimum": 2362998.465,
            "name": "Y",
            "position": 1,
            "stddev": 267.7706134,
            "variance": 71701.10137
          },
          {
            "average": -9.64705195,
            "count": 5355556,
            "maximum": 2.394032832,
            "minimum": -54.24596717,
            "name": "Z",
            "position": 2,
            "stddev": 6.762662115,
            "variance": 45.73359888
          },
          {
            "average": 86.30627483,
            "count": 5355556,
            "maximum": 8866,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 223.897405,
            "variance": 50130.04797
          },
          {
            "average": 1.01030724,
            "count": 5355556,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1020501791,
            "variance": 0.01041423906
          },
          {
            "average": 1.018485849,
            "count": 5355556,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1366065366,
            "variance": 0.01866134583
          },
          {
            "average": 1,
            "count": 5355556,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5355556,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.99297963,
            "count": 5355556,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4378258097,
            "variance": 0.1916914396
          },
          {
            "average": 17.72828919,
            "count": 5355556,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.731740298,
            "variance": 45.31632744
          },
          {
            "average": 114.0435451,
            "count": 5355556,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 83.36759196,
            "variance": 6950.155389
          },
          {
            "average": 4.630495695,
            "count": 5355556,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.525431295,
            "variance": 2.326940636
          },
          {
            "average": 62823468.07,
            "count": 5355556,
            "maximum": 63572806.7,
            "minimum": 62716282.62,
            "name": "GpsTime",
            "position": 12,
            "stddev": 166325.9845,
            "variance": 27664333110.0
          },
          {
            "average": 0,
            "count": 5355556,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5355556,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5355556,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5355556,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5355556,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          587999.6451,
          2362998.465,
          -54.24596717,
          588999.6651,
          2363998.465,
          2.394032832
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                587999.6450813033,
                2362998.4651787044,
                -54.245967168489365
              ],
              [
                587999.6450813033,
                2363998.4651787044,
                -54.245967168489365
              ],
              [
                588999.6650813033,
                2363998.4651787044,
                2.394032831510636
              ],
              [
                588999.6650813033,
                2362998.4651787044,
                2.394032831510636
              ],
              [
                587999.6450813033,
                2362998.4651787044,
                -54.245967168489365
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:53:26+00:00",
        "end_time": "2013-09-08T22:58:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8863.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8863.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8863.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8863.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.151201,
            21.3669108,
            -54.24596717,
            -158.1415035,
            21.37599412,
            2.394032832
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.15120102394872,
                  21.36695985565419,
                  -54.245967168489365
                ],
                [
                  -158.15114896520512,
                  21.375994118010414,
                  -54.245967168489365
                ],
                [
                  -158.14150352197854,
                  21.375945040661563,
                  2.394032831510636
                ],
                [
                  -158.14155617400453,
                  21.366910799687414,
                  2.394032831510636
                ],
                [
                  -158.15120102394872,
                  21.36695985565419,
                  -54.245967168489365
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8863.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8863.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:53:26Z",
            "pc:count": 5355556,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588644.9338,
                "count": 5355556,
                "maximum": 588999.6651,
                "minimum": 587999.6451,
                "name": "X",
                "position": 0,
                "stddev": 250.3615149,
                "variance": 62680.88813
              },
              {
                "average": 2363608.969,
                "count": 5355556,
                "maximum": 2363998.465,
                "minimum": 2362998.465,
                "name": "Y",
                "position": 1,
                "stddev": 267.7706134,
                "variance": 71701.10137
              },
              {
                "average": -9.64705195,
                "count": 5355556,
                "maximum": 2.394032832,
                "minimum": -54.24596717,
                "name": "Z",
                "position": 2,
                "stddev": 6.762662115,
                "variance": 45.73359888
              },
              {
                "average": 86.30627483,
                "count": 5355556,
                "maximum": 8866,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 223.897405,
                "variance": 50130.04797
              },
              {
                "average": 1.01030724,
                "count": 5355556,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1020501791,
                "variance": 0.01041423906
              },
              {
                "average": 1.018485849,
                "count": 5355556,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1366065366,
                "variance": 0.01866134583
              },
              {
                "average": 1,
                "count": 5355556,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5355556,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.99297963,
                "count": 5355556,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4378258097,
                "variance": 0.1916914396
              },
              {
                "average": 17.72828919,
                "count": 5355556,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.731740298,
                "variance": 45.31632744
              },
              {
                "average": 114.0435451,
                "count": 5355556,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 83.36759196,
                "variance": 6950.155389
              },
              {
                "average": 4.630495695,
                "count": 5355556,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.525431295,
                "variance": 2.326940636
              },
              {
                "average": 62823468.07,
                "count": 5355556,
                "maximum": 63572806.7,
                "minimum": 62716282.62,
                "name": "GpsTime",
                "position": 12,
                "stddev": 166325.9845,
                "variance": 27664333110.0
              },
              {
                "average": 0,
                "count": 5355556,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5355556,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5355556,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5355556,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5355556,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              587999.6451,
              2362998.465,
              -54.24596717,
              588999.6651,
              2363998.465,
              2.394032832
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    587999.6450813033,
                    2362998.4651787044,
                    -54.245967168489365
                  ],
                  [
                    587999.6450813033,
                    2363998.4651787044,
                    -54.245967168489365
                  ],
                  [
                    588999.6650813033,
                    2363998.4651787044,
                    2.394032831510636
                  ],
                  [
                    588999.6650813033,
                    2362998.4651787044,
                    2.394032831510636
                  ],
                  [
                    587999.6450813033,
                    2362998.4651787044,
                    -54.245967168489365
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:53:26+00:00",
            "end_time": "2013-09-08T22:58:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0056.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0358796927699,
              21.30309657550313,
              -3.552191610731164
            ],
            [
              -158.03582074142938,
              21.31213060341544,
              -3.552191610731164
            ],
            [
              -158.02617997229063,
              21.312075062300302,
              24.187808389268838
            ],
            [
              -158.0262395132057,
              21.303041059916396,
              24.187808389268838
            ],
            [
              -158.0358796927699,
              21.30309657550313,
              -3.552191610731164
            ]
          ]
        ]
      },
      "bbox": [
        -158.0358797,
        21.30304106,
        -3.552191611,
        -158.02618,
        21.3121306,
        24.18780839
      ],
      "properties": {
        "datetime": "2013-09-16T10:55:06Z",
        "pc:count": 4001963,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 600485.8253,
            "count": 4001963,
            "maximum": 600999.7037,
            "minimum": 599999.7037,
            "name": "X",
            "position": 0,
            "stddev": 271.6652907,
            "variance": 73802.03018
          },
          {
            "average": 2356545.924,
            "count": 4001963,
            "maximum": 2356998.449,
            "minimum": 2355998.449,
            "name": "Y",
            "position": 1,
            "stddev": 232.1188323,
            "variance": 53879.15232
          },
          {
            "average": 4.879937989,
            "count": 4001963,
            "maximum": 24.18780839,
            "minimum": -3.552191611,
            "name": "Z",
            "position": 2,
            "stddev": 2.912391429,
            "variance": 8.482023837
          },
          {
            "average": 63.20062929,
            "count": 4001963,
            "maximum": 3459,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 87.45392005,
            "variance": 7648.188132
          },
          {
            "average": 1.129856523,
            "count": 4001963,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4943368236,
            "variance": 0.2443688951
          },
          {
            "average": 1.244007503,
            "count": 4001963,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7578635412,
            "variance": 0.5743571471
          },
          {
            "average": 1,
            "count": 4001963,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4001963,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.073831267,
            "count": 4001963,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.602564084,
            "variance": 43.59385248
          },
          {
            "average": 0,
            "count": 4001963,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.0892527,
            "count": 4001963,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.56901196,
            "variance": 4041.019282
          },
          {
            "average": 3.756529733,
            "count": 4001963,
            "maximum": 8,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.453606369,
            "variance": 2.112971476
          },
          {
            "average": 63360475.09,
            "count": 4001963,
            "maximum": 63364106.22,
            "minimum": 63359353.04,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1081.443629,
            "variance": 1169520.323
          },
          {
            "average": 0,
            "count": 4001963,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4001963,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4001963,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4001963,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4001963,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          599999.7037,
          2355998.449,
          -3.552191611,
          600999.7037,
          2356998.449,
          24.18780839
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                599999.7036757743,
                2355998.4485773733,
                -3.552191610731164
              ],
              [
                599999.7036757743,
                2356998.4485773733,
                -3.552191610731164
              ],
              [
                600999.7036757743,
                2356998.4485773733,
                24.187808389268838
              ],
              [
                600999.7036757743,
                2355998.4485773733,
                24.187808389268838
              ],
              [
                599999.7036757743,
                2355998.4485773733,
                -3.552191610731164
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:55:06+00:00",
        "end_time": "2013-09-16T09:35:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0056.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0056.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0056.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0056.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0358797,
            21.30304106,
            -3.552191611,
            -158.02618,
            21.3121306,
            24.18780839
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0358796927699,
                  21.30309657550313,
                  -3.552191610731164
                ],
                [
                  -158.03582074142938,
                  21.31213060341544,
                  -3.552191610731164
                ],
                [
                  -158.02617997229063,
                  21.312075062300302,
                  24.187808389268838
                ],
                [
                  -158.0262395132057,
                  21.303041059916396,
                  24.187808389268838
                ],
                [
                  -158.0358796927699,
                  21.30309657550313,
                  -3.552191610731164
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0056.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0056.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:55:06Z",
            "pc:count": 4001963,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 600485.8253,
                "count": 4001963,
                "maximum": 600999.7037,
                "minimum": 599999.7037,
                "name": "X",
                "position": 0,
                "stddev": 271.6652907,
                "variance": 73802.03018
              },
              {
                "average": 2356545.924,
                "count": 4001963,
                "maximum": 2356998.449,
                "minimum": 2355998.449,
                "name": "Y",
                "position": 1,
                "stddev": 232.1188323,
                "variance": 53879.15232
              },
              {
                "average": 4.879937989,
                "count": 4001963,
                "maximum": 24.18780839,
                "minimum": -3.552191611,
                "name": "Z",
                "position": 2,
                "stddev": 2.912391429,
                "variance": 8.482023837
              },
              {
                "average": 63.20062929,
                "count": 4001963,
                "maximum": 3459,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 87.45392005,
                "variance": 7648.188132
              },
              {
                "average": 1.129856523,
                "count": 4001963,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4943368236,
                "variance": 0.2443688951
              },
              {
                "average": 1.244007503,
                "count": 4001963,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7578635412,
                "variance": 0.5743571471
              },
              {
                "average": 1,
                "count": 4001963,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4001963,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.073831267,
                "count": 4001963,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.602564084,
                "variance": 43.59385248
              },
              {
                "average": 0,
                "count": 4001963,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.0892527,
                "count": 4001963,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.56901196,
                "variance": 4041.019282
              },
              {
                "average": 3.756529733,
                "count": 4001963,
                "maximum": 8,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.453606369,
                "variance": 2.112971476
              },
              {
                "average": 63360475.09,
                "count": 4001963,
                "maximum": 63364106.22,
                "minimum": 63359353.04,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1081.443629,
                "variance": 1169520.323
              },
              {
                "average": 0,
                "count": 4001963,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4001963,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4001963,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4001963,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4001963,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              599999.7037,
              2355998.449,
              -3.552191611,
              600999.7037,
              2356998.449,
              24.18780839
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    599999.7036757743,
                    2355998.4485773733,
                    -3.552191610731164
                  ],
                  [
                    599999.7036757743,
                    2356998.4485773733,
                    -3.552191610731164
                  ],
                  [
                    600999.7036757743,
                    2356998.4485773733,
                    24.187808389268838
                  ],
                  [
                    600999.7036757743,
                    2355998.4485773733,
                    24.187808389268838
                  ],
                  [
                    599999.7036757743,
                    2355998.4485773733,
                    -3.552191610731164
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:55:06+00:00",
            "end_time": "2013-09-16T09:35:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0057.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.03065930549377,
              21.312100874302754,
              0.479063552350178
            ],
            [
              -158.03065263241479,
              21.313117742387725,
              0.479063552350178
            ],
            [
              -158.0261733109174,
              21.313091867248115,
              16.13906355235018
            ],
            [
              -158.02618001484248,
              21.31207500049887,
              16.13906355235018
            ],
            [
              -158.03065930549377,
              21.312100874302754,
              0.479063552350178
            ]
          ]
        ]
      },
      "bbox": [
        -158.0306593,
        21.312075,
        0.4790635524,
        -158.0261733,
        21.31311774,
        16.13906355
      ],
      "properties": {
        "datetime": "2013-09-16T09:36:12Z",
        "pc:count": 134705,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 600813.9105,
            "count": 134705,
            "maximum": 600999.6993,
            "minimum": 600535.0793,
            "name": "X",
            "position": 0,
            "stddev": 127.0543508,
            "variance": 16142.80806
          },
          {
            "average": 2357047.588,
            "count": 134705,
            "maximum": 2357111.002,
            "minimum": 2356998.442,
            "name": "Y",
            "position": 1,
            "stddev": 31.03272062,
            "variance": 963.0297492
          },
          {
            "average": 5.900597348,
            "count": 134705,
            "maximum": 16.13906355,
            "minimum": 0.4790635524,
            "name": "Z",
            "position": 2,
            "stddev": 2.559258921,
            "variance": 6.549806227
          },
          {
            "average": 46.06004974,
            "count": 134705,
            "maximum": 720,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 55.96586114,
            "variance": 3132.177614
          },
          {
            "average": 1.09903864,
            "count": 134705,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4073294874,
            "variance": 0.1659173113
          },
          {
            "average": 1.179911659,
            "count": 134705,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.603253892,
            "variance": 0.3639152583
          },
          {
            "average": 1,
            "count": 134705,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 134705,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.548524554,
            "count": 134705,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.346655279,
            "variance": 1.81348044
          },
          {
            "average": 0,
            "count": 134705,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.39086894,
            "count": 134705,
            "maximum": 192,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 62.71145095,
            "variance": 3932.726081
          },
          {
            "average": 2,
            "count": 134705,
            "maximum": 2,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63359368.27,
            "count": 134705,
            "maximum": 63359372.96,
            "minimum": 63359363.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2.180389957,
            "variance": 4.754100367
          },
          {
            "average": 0,
            "count": 134705,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 134705,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 134705,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 134705,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 134705,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          600535.0793,
          2356998.442,
          0.4790635524,
          600999.6993,
          2357111.002,
          16.13906355
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                600535.0793044537,
                2356998.441709383,
                0.479063552350178
              ],
              [
                600535.0793044537,
                2357111.0017093825,
                0.479063552350178
              ],
              [
                600999.6993044538,
                2357111.0017093825,
                16.13906355235018
              ],
              [
                600999.6993044538,
                2356998.441709383,
                16.13906355235018
              ],
              [
                600535.0793044537,
                2356998.441709383,
                0.479063552350178
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:36:12+00:00",
        "end_time": "2013-09-16T09:36:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0057.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0057.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0057.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0057.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0306593,
            21.312075,
            0.4790635524,
            -158.0261733,
            21.31311774,
            16.13906355
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.03065930549377,
                  21.312100874302754,
                  0.479063552350178
                ],
                [
                  -158.03065263241479,
                  21.313117742387725,
                  0.479063552350178
                ],
                [
                  -158.0261733109174,
                  21.313091867248115,
                  16.13906355235018
                ],
                [
                  -158.02618001484248,
                  21.31207500049887,
                  16.13906355235018
                ],
                [
                  -158.03065930549377,
                  21.312100874302754,
                  0.479063552350178
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0057.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0057.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:36:12Z",
            "pc:count": 134705,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 600813.9105,
                "count": 134705,
                "maximum": 600999.6993,
                "minimum": 600535.0793,
                "name": "X",
                "position": 0,
                "stddev": 127.0543508,
                "variance": 16142.80806
              },
              {
                "average": 2357047.588,
                "count": 134705,
                "maximum": 2357111.002,
                "minimum": 2356998.442,
                "name": "Y",
                "position": 1,
                "stddev": 31.03272062,
                "variance": 963.0297492
              },
              {
                "average": 5.900597348,
                "count": 134705,
                "maximum": 16.13906355,
                "minimum": 0.4790635524,
                "name": "Z",
                "position": 2,
                "stddev": 2.559258921,
                "variance": 6.549806227
              },
              {
                "average": 46.06004974,
                "count": 134705,
                "maximum": 720,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 55.96586114,
                "variance": 3132.177614
              },
              {
                "average": 1.09903864,
                "count": 134705,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4073294874,
                "variance": 0.1659173113
              },
              {
                "average": 1.179911659,
                "count": 134705,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.603253892,
                "variance": 0.3639152583
              },
              {
                "average": 1,
                "count": 134705,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 134705,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.548524554,
                "count": 134705,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.346655279,
                "variance": 1.81348044
              },
              {
                "average": 0,
                "count": 134705,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.39086894,
                "count": 134705,
                "maximum": 192,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 62.71145095,
                "variance": 3932.726081
              },
              {
                "average": 2,
                "count": 134705,
                "maximum": 2,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63359368.27,
                "count": 134705,
                "maximum": 63359372.96,
                "minimum": 63359363.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2.180389957,
                "variance": 4.754100367
              },
              {
                "average": 0,
                "count": 134705,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 134705,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 134705,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 134705,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 134705,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              600535.0793,
              2356998.442,
              0.4790635524,
              600999.6993,
              2357111.002,
              16.13906355
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    600535.0793044537,
                    2356998.441709383,
                    0.479063552350178
                  ],
                  [
                    600535.0793044537,
                    2357111.0017093825,
                    0.479063552350178
                  ],
                  [
                    600999.6993044538,
                    2357111.0017093825,
                    16.13906355235018
                  ],
                  [
                    600999.6993044538,
                    2356998.441709383,
                    16.13906355235018
                  ],
                  [
                    600535.0793044537,
                    2356998.441709383,
                    0.479063552350178
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:36:12+00:00",
            "end_time": "2013-09-16T09:36:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9591.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.08210373268224,
              21.61955600952139,
              -9.015510286962012
            ],
            [
              -158.08204672375632,
              21.6285898149868,
              -9.015510286962012
            ],
            [
              -158.07238478950367,
              21.628536177537743,
              78.54448971303799
            ],
            [
              -158.07244240740908,
              21.61950239397321,
              78.54448971303799
            ],
            [
              -158.08210373268224,
              21.61955600952139,
              -9.015510286962012
            ]
          ]
        ]
      },
      "bbox": [
        -158.0821037,
        21.61950239,
        -9.015510287,
        -158.0723848,
        21.62858981,
        78.54448971
      ],
      "properties": {
        "datetime": "2013-09-22T23:58:07Z",
        "pc:count": 10944762,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 595458.4781,
            "count": 10944762,
            "maximum": 595999.6554,
            "minimum": 594999.6354,
            "name": "X",
            "position": 0,
            "stddev": 266.5810312,
            "variance": 71065.44622
          },
          {
            "average": 2391472.58,
            "count": 10944762,
            "maximum": 2391998.484,
            "minimum": 2390998.484,
            "name": "Y",
            "position": 1,
            "stddev": 270.5432698,
            "variance": 73193.66083
          },
          {
            "average": 13.37932947,
            "count": 10944762,
            "maximum": 78.54448971,
            "minimum": -9.015510287,
            "name": "Z",
            "position": 2,
            "stddev": 11.95881138,
            "variance": 143.0131697
          },
          {
            "average": 7.794345734,
            "count": 10944762,
            "maximum": 2577,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 17.31511243,
            "variance": 299.8131185
          },
          {
            "average": 1.891425049,
            "count": 10944762,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.06991715,
            "variance": 1.144722708
          },
          {
            "average": 2.66169543,
            "count": 10944762,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.411768378,
            "variance": 1.993089953
          },
          {
            "average": 1,
            "count": 10944762,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10944762,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.20915786,
            "count": 10944762,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.907665167,
            "variance": 98.16182906
          },
          {
            "average": 19.92308038,
            "count": 10944762,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.324586402,
            "variance": 11.05287475
          },
          {
            "average": 91.70838123,
            "count": 10944762,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.24849533,
            "variance": 4388.863134
          },
          {
            "average": 4.681933422,
            "count": 10944762,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.671541768,
            "variance": 7.13713542
          },
          {
            "average": 63324833.95,
            "count": 10944762,
            "maximum": 63929487.75,
            "minimum": 62873800.13,
            "name": "GpsTime",
            "position": 12,
            "stddev": 410870.8974,
            "variance": 168814894300.0
          },
          {
            "average": 0,
            "count": 10944762,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10944762,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10944762,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10944762,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10944762,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594999.6354,
          2390998.484,
          -9.015510287,
          595999.6554,
          2391998.484,
          78.54448971
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594999.6354298801,
                2390998.4838193557,
                -9.015510286962012
              ],
              [
                594999.6354298801,
                2391998.4838193557,
                -9.015510286962012
              ],
              [
                595999.6554298801,
                2391998.4838193557,
                78.54448971303799
              ],
              [
                595999.6554298801,
                2390998.4838193557,
                78.54448971303799
              ],
              [
                594999.6354298801,
                2390998.4838193557,
                -9.015510286962012
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:58:07+00:00",
        "end_time": "2013-09-10T18:43:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9591.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9591.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9591.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9591.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0821037,
            21.61950239,
            -9.015510287,
            -158.0723848,
            21.62858981,
            78.54448971
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.08210373268224,
                  21.61955600952139,
                  -9.015510286962012
                ],
                [
                  -158.08204672375632,
                  21.6285898149868,
                  -9.015510286962012
                ],
                [
                  -158.07238478950367,
                  21.628536177537743,
                  78.54448971303799
                ],
                [
                  -158.07244240740908,
                  21.61950239397321,
                  78.54448971303799
                ],
                [
                  -158.08210373268224,
                  21.61955600952139,
                  -9.015510286962012
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9591.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9591.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:58:07Z",
            "pc:count": 10944762,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 595458.4781,
                "count": 10944762,
                "maximum": 595999.6554,
                "minimum": 594999.6354,
                "name": "X",
                "position": 0,
                "stddev": 266.5810312,
                "variance": 71065.44622
              },
              {
                "average": 2391472.58,
                "count": 10944762,
                "maximum": 2391998.484,
                "minimum": 2390998.484,
                "name": "Y",
                "position": 1,
                "stddev": 270.5432698,
                "variance": 73193.66083
              },
              {
                "average": 13.37932947,
                "count": 10944762,
                "maximum": 78.54448971,
                "minimum": -9.015510287,
                "name": "Z",
                "position": 2,
                "stddev": 11.95881138,
                "variance": 143.0131697
              },
              {
                "average": 7.794345734,
                "count": 10944762,
                "maximum": 2577,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 17.31511243,
                "variance": 299.8131185
              },
              {
                "average": 1.891425049,
                "count": 10944762,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.06991715,
                "variance": 1.144722708
              },
              {
                "average": 2.66169543,
                "count": 10944762,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.411768378,
                "variance": 1.993089953
              },
              {
                "average": 1,
                "count": 10944762,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10944762,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.20915786,
                "count": 10944762,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.907665167,
                "variance": 98.16182906
              },
              {
                "average": 19.92308038,
                "count": 10944762,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.324586402,
                "variance": 11.05287475
              },
              {
                "average": 91.70838123,
                "count": 10944762,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.24849533,
                "variance": 4388.863134
              },
              {
                "average": 4.681933422,
                "count": 10944762,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.671541768,
                "variance": 7.13713542
              },
              {
                "average": 63324833.95,
                "count": 10944762,
                "maximum": 63929487.75,
                "minimum": 62873800.13,
                "name": "GpsTime",
                "position": 12,
                "stddev": 410870.8974,
                "variance": 168814894300.0
              },
              {
                "average": 0,
                "count": 10944762,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10944762,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10944762,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10944762,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10944762,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594999.6354,
              2390998.484,
              -9.015510287,
              595999.6554,
              2391998.484,
              78.54448971
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594999.6354298801,
                    2390998.4838193557,
                    -9.015510286962012
                  ],
                  [
                    594999.6354298801,
                    2391998.4838193557,
                    -9.015510286962012
                  ],
                  [
                    595999.6554298801,
                    2391998.4838193557,
                    78.54448971303799
                  ],
                  [
                    595999.6554298801,
                    2390998.4838193557,
                    78.54448971303799
                  ],
                  [
                    594999.6354298801,
                    2390998.4838193557,
                    -9.015510286962012
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:58:07+00:00",
            "end_time": "2013-09-10T18:43:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0455.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.99738039583553,
              21.293837106051086,
              -12.290566093012032
            ],
            [
              -157.99731911796678,
              21.302871219925162,
              -12.290566093012032
            ],
            [
              -157.98767888022977,
              21.302813508024553,
              -0.670566093012031
            ],
            [
              -157.9877407469877,
              21.293779420032013,
              -0.670566093012031
            ],
            [
              -157.99738039583553,
              21.293837106051086,
              -12.290566093012032
            ]
          ]
        ]
      },
      "bbox": [
        -157.9973804,
        21.29377942,
        -12.29056609,
        -157.9876789,
        21.30287122,
        -0.670566093
      ],
      "properties": {
        "datetime": "2013-09-17T12:17:19Z",
        "pc:count": 6310891,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 604500.2364,
            "count": 6310891,
            "maximum": 604999.727,
            "minimum": 603999.707,
            "name": "X",
            "position": 0,
            "stddev": 286.7949792,
            "variance": 82251.36011
          },
          {
            "average": 2355463.555,
            "count": 6310891,
            "maximum": 2355998.449,
            "minimum": 2354998.429,
            "name": "Y",
            "position": 1,
            "stddev": 266.5644684,
            "variance": 71056.61581
          },
          {
            "average": -5.961424829,
            "count": 6310891,
            "maximum": -0.670566093,
            "minimum": -12.29056609,
            "name": "Z",
            "position": 2,
            "stddev": 2.724775105,
            "variance": 7.424399375
          },
          {
            "average": 11.96731333,
            "count": 6310891,
            "maximum": 1480,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.37825129,
            "variance": 1114.107659
          },
          {
            "average": 1.009411825,
            "count": 6310891,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09677823595,
            "variance": 0.009366026954
          },
          {
            "average": 1.017447932,
            "count": 6310891,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1313199027,
            "variance": 0.01724491684
          },
          {
            "average": 1,
            "count": 6310891,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6310891,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 6310891,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6310891,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 90.65584923,
            "count": 6310891,
            "maximum": 250,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 65.00616857,
            "variance": 4225.801952
          },
          {
            "average": 8.320867846,
            "count": 6310891,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.187409444,
            "variance": 26.90921674
          },
          {
            "average": 63384604.61,
            "count": 6310891,
            "maximum": 63455439.42,
            "minimum": 63291286.73,
            "name": "GpsTime",
            "position": 12,
            "stddev": 48591.74465,
            "variance": 2361157648
          },
          {
            "average": 0,
            "count": 6310891,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6310891,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6310891,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6310891,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6310891,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          603999.707,
          2354998.429,
          -12.29056609,
          604999.727,
          2355998.449,
          -0.670566093
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                603999.7069944227,
                2354998.4285072833,
                -12.290566093012032
              ],
              [
                603999.7069944227,
                2355998.448507283,
                -12.290566093012032
              ],
              [
                604999.7269944227,
                2355998.448507283,
                -0.670566093012031
              ],
              [
                604999.7269944227,
                2354998.4285072833,
                -0.670566093012031
              ],
              [
                603999.7069944227,
                2354998.4285072833,
                -12.290566093012032
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:17:19+00:00",
        "end_time": "2013-09-15T14:41:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0455.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0455.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0455.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0455.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9973804,
            21.29377942,
            -12.29056609,
            -157.9876789,
            21.30287122,
            -0.670566093
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.99738039583553,
                  21.293837106051086,
                  -12.290566093012032
                ],
                [
                  -157.99731911796678,
                  21.302871219925162,
                  -12.290566093012032
                ],
                [
                  -157.98767888022977,
                  21.302813508024553,
                  -0.670566093012031
                ],
                [
                  -157.9877407469877,
                  21.293779420032013,
                  -0.670566093012031
                ],
                [
                  -157.99738039583553,
                  21.293837106051086,
                  -12.290566093012032
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0455.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0455.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:17:19Z",
            "pc:count": 6310891,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 604500.2364,
                "count": 6310891,
                "maximum": 604999.727,
                "minimum": 603999.707,
                "name": "X",
                "position": 0,
                "stddev": 286.7949792,
                "variance": 82251.36011
              },
              {
                "average": 2355463.555,
                "count": 6310891,
                "maximum": 2355998.449,
                "minimum": 2354998.429,
                "name": "Y",
                "position": 1,
                "stddev": 266.5644684,
                "variance": 71056.61581
              },
              {
                "average": -5.961424829,
                "count": 6310891,
                "maximum": -0.670566093,
                "minimum": -12.29056609,
                "name": "Z",
                "position": 2,
                "stddev": 2.724775105,
                "variance": 7.424399375
              },
              {
                "average": 11.96731333,
                "count": 6310891,
                "maximum": 1480,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.37825129,
                "variance": 1114.107659
              },
              {
                "average": 1.009411825,
                "count": 6310891,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09677823595,
                "variance": 0.009366026954
              },
              {
                "average": 1.017447932,
                "count": 6310891,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1313199027,
                "variance": 0.01724491684
              },
              {
                "average": 1,
                "count": 6310891,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6310891,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 6310891,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6310891,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 90.65584923,
                "count": 6310891,
                "maximum": 250,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 65.00616857,
                "variance": 4225.801952
              },
              {
                "average": 8.320867846,
                "count": 6310891,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.187409444,
                "variance": 26.90921674
              },
              {
                "average": 63384604.61,
                "count": 6310891,
                "maximum": 63455439.42,
                "minimum": 63291286.73,
                "name": "GpsTime",
                "position": 12,
                "stddev": 48591.74465,
                "variance": 2361157648
              },
              {
                "average": 0,
                "count": 6310891,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6310891,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6310891,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6310891,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6310891,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              603999.707,
              2354998.429,
              -12.29056609,
              604999.727,
              2355998.449,
              -0.670566093
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    603999.7069944227,
                    2354998.4285072833,
                    -12.290566093012032
                  ],
                  [
                    603999.7069944227,
                    2355998.448507283,
                    -12.290566093012032
                  ],
                  [
                    604999.7269944227,
                    2355998.448507283,
                    -0.670566093012031
                  ],
                  [
                    604999.7269944227,
                    2354998.4285072833,
                    -0.670566093012031
                  ],
                  [
                    603999.7069944227,
                    2354998.4285072833,
                    -12.290566093012032
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:17:19+00:00",
            "end_time": "2013-09-15T14:41:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfj0097.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.03341325722513,
              21.67711324222422,
              -3.014913090004601
            ],
            [
              -158.03337722202994,
              21.68251805971314,
              -3.014913090004601
            ],
            [
              -158.02764575614947,
              21.682484566103437,
              63.0850869099954
            ],
            [
              -158.0276820052689,
              21.677079757690056,
              63.0850869099954
            ],
            [
              -158.03341325722513,
              21.67711324222422,
              -3.014913090004601
            ]
          ]
        ]
      },
      "bbox": [
        -158.0334133,
        21.67707976,
        -3.01491309,
        -158.0276458,
        21.68251806,
        63.08508691
      ],
      "properties": {
        "datetime": "2013-09-09T21:59:07Z",
        "pc:count": 1492380,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 600209.8657,
            "count": 1492380,
            "maximum": 600592.6581,
            "minimum": 599999.6581,
            "name": "X",
            "position": 0,
            "stddev": 148.3577595,
            "variance": 22010.02479
          },
          {
            "average": 2397792.997,
            "count": 1492380,
            "maximum": 2397998.498,
            "minimum": 2397400.198,
            "name": "Y",
            "position": 1,
            "stddev": 146.6502162,
            "variance": 21506.28591
          },
          {
            "average": 19.05456493,
            "count": 1492380,
            "maximum": 63.08508691,
            "minimum": -3.01491309,
            "name": "Z",
            "position": 2,
            "stddev": 12.11660582,
            "variance": 146.8121366
          },
          {
            "average": 12.60697074,
            "count": 1492380,
            "maximum": 775,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.4427236,
            "variance": 597.4467371
          },
          {
            "average": 1.623668905,
            "count": 1492380,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8882459745,
            "variance": 0.7889809112
          },
          {
            "average": 2.14810705,
            "count": 1492380,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.195061982,
            "variance": 1.42817314
          },
          {
            "average": 1,
            "count": 1492380,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1492380,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.757287688,
            "count": 1492380,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.068192143,
            "variance": 16.55018731
          },
          {
            "average": 20.86463379,
            "count": 1492380,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.628696444,
            "variance": 6.910044997
          },
          {
            "average": 91.99872687,
            "count": 1492380,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.00558809,
            "variance": 4225.726483
          },
          {
            "average": 8.649581876,
            "count": 1492380,
            "maximum": 9,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.509964269,
            "variance": 0.2600635556
          },
          {
            "average": 62799016.99,
            "count": 1492380,
            "maximum": 62799147.68,
            "minimum": 62798401.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 179.918281,
            "variance": 32370.58783
          },
          {
            "average": 0,
            "count": 1492380,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1492380,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1492380,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1492380,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1492380,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          599999.6581,
          2397400.198,
          -3.01491309,
          600592.6581,
          2397998.498,
          63.08508691
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                599999.6581287762,
                2397400.1976163317,
                -3.014913090004601
              ],
              [
                599999.6581287762,
                2397998.4976163316,
                -3.014913090004601
              ],
              [
                600592.6581287762,
                2397998.4976163316,
                63.0850869099954
              ],
              [
                600592.6581287762,
                2397400.1976163317,
                63.0850869099954
              ],
              [
                599999.6581287762,
                2397400.1976163317,
                -3.014913090004601
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:59:07+00:00",
        "end_time": "2013-09-09T21:46:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfj0097.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfj0097.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfj0097.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0097.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0334133,
            21.67707976,
            -3.01491309,
            -158.0276458,
            21.68251806,
            63.08508691
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.03341325722513,
                  21.67711324222422,
                  -3.014913090004601
                ],
                [
                  -158.03337722202994,
                  21.68251805971314,
                  -3.014913090004601
                ],
                [
                  -158.02764575614947,
                  21.682484566103437,
                  63.0850869099954
                ],
                [
                  -158.0276820052689,
                  21.677079757690056,
                  63.0850869099954
                ],
                [
                  -158.03341325722513,
                  21.67711324222422,
                  -3.014913090004601
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfj0097.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0097.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:59:07Z",
            "pc:count": 1492380,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 600209.8657,
                "count": 1492380,
                "maximum": 600592.6581,
                "minimum": 599999.6581,
                "name": "X",
                "position": 0,
                "stddev": 148.3577595,
                "variance": 22010.02479
              },
              {
                "average": 2397792.997,
                "count": 1492380,
                "maximum": 2397998.498,
                "minimum": 2397400.198,
                "name": "Y",
                "position": 1,
                "stddev": 146.6502162,
                "variance": 21506.28591
              },
              {
                "average": 19.05456493,
                "count": 1492380,
                "maximum": 63.08508691,
                "minimum": -3.01491309,
                "name": "Z",
                "position": 2,
                "stddev": 12.11660582,
                "variance": 146.8121366
              },
              {
                "average": 12.60697074,
                "count": 1492380,
                "maximum": 775,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.4427236,
                "variance": 597.4467371
              },
              {
                "average": 1.623668905,
                "count": 1492380,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8882459745,
                "variance": 0.7889809112
              },
              {
                "average": 2.14810705,
                "count": 1492380,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.195061982,
                "variance": 1.42817314
              },
              {
                "average": 1,
                "count": 1492380,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1492380,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.757287688,
                "count": 1492380,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.068192143,
                "variance": 16.55018731
              },
              {
                "average": 20.86463379,
                "count": 1492380,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.628696444,
                "variance": 6.910044997
              },
              {
                "average": 91.99872687,
                "count": 1492380,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.00558809,
                "variance": 4225.726483
              },
              {
                "average": 8.649581876,
                "count": 1492380,
                "maximum": 9,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.509964269,
                "variance": 0.2600635556
              },
              {
                "average": 62799016.99,
                "count": 1492380,
                "maximum": 62799147.68,
                "minimum": 62798401.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 179.918281,
                "variance": 32370.58783
              },
              {
                "average": 0,
                "count": 1492380,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1492380,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1492380,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1492380,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1492380,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              599999.6581,
              2397400.198,
              -3.01491309,
              600592.6581,
              2397998.498,
              63.08508691
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    599999.6581287762,
                    2397400.1976163317,
                    -3.014913090004601
                  ],
                  [
                    599999.6581287762,
                    2397998.4976163316,
                    -3.014913090004601
                  ],
                  [
                    600592.6581287762,
                    2397998.4976163316,
                    63.0850869099954
                  ],
                  [
                    600592.6581287762,
                    2397400.1976163317,
                    63.0850869099954
                  ],
                  [
                    599999.6581287762,
                    2397400.1976163317,
                    -3.014913090004601
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:59:07+00:00",
            "end_time": "2013-09-09T21:46:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9188.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12091254544984,
              21.592662967280283,
              -24.559575528662005
            ],
            [
              -158.12085798933026,
              21.601696906969625,
              -24.559575528662005
            ],
            [
              -158.11119770828694,
              21.601645592543925,
              -0.779575528662004
            ],
            [
              -158.11125286362105,
              21.592611676179956,
              -0.779575528662004
            ],
            [
              -158.12091254544984,
              21.592662967280283,
              -24.559575528662005
            ]
          ]
        ]
      },
      "bbox": [
        -158.1209125,
        21.59261168,
        -24.55957553,
        -158.1111977,
        21.60169691,
        -0.7795755287
      ],
      "properties": {
        "datetime": "2013-09-22T23:51:39Z",
        "pc:count": 5863497,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591488.666,
            "count": 5863497,
            "maximum": 591999.6413,
            "minimum": 590999.6213,
            "name": "X",
            "position": 0,
            "stddev": 271.3027783,
            "variance": 73605.1975
          },
          {
            "average": 2388423.383,
            "count": 5863497,
            "maximum": 2388998.476,
            "minimum": 2387998.476,
            "name": "Y",
            "position": 1,
            "stddev": 278.4333785,
            "variance": 77525.14624
          },
          {
            "average": -6.263689998,
            "count": 5863497,
            "maximum": -0.7795755287,
            "minimum": -24.55957553,
            "name": "Z",
            "position": 2,
            "stddev": 3.118009494,
            "variance": 9.721983208
          },
          {
            "average": 10.40022806,
            "count": 5863497,
            "maximum": 8716,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.81791763,
            "variance": 949.7440473
          },
          {
            "average": 1.017524866,
            "count": 5863497,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1334319593,
            "variance": 0.01780408775
          },
          {
            "average": 1.024879351,
            "count": 5863497,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.159771252,
            "variance": 0.02552685297
          },
          {
            "average": 1,
            "count": 5863497,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5863497,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5863497,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.76500367,
            "count": 5863497,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.448404732,
            "variance": 29.68511413
          },
          {
            "average": 104.722504,
            "count": 5863497,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.3322465,
            "variance": 5980.276349
          },
          {
            "average": 3.073034744,
            "count": 5863497,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.224118532,
            "variance": 4.946703242
          },
          {
            "average": 63333269.63,
            "count": 5863497,
            "maximum": 63929099.56,
            "minimum": 62799640.88,
            "name": "GpsTime",
            "position": 12,
            "stddev": 504154.8094,
            "variance": 254172071800.0
          },
          {
            "average": 0,
            "count": 5863497,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5863497,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5863497,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5863497,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5863497,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6213,
          2387998.476,
          -24.55957553,
          591999.6413,
          2388998.476,
          -0.7795755287
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.6213194225,
                2387998.475597606,
                -24.559575528662005
              ],
              [
                590999.6213194225,
                2388998.475597606,
                -24.559575528662005
              ],
              [
                591999.6413194225,
                2388998.475597606,
                -0.779575528662004
              ],
              [
                591999.6413194225,
                2387998.475597606,
                -0.779575528662004
              ],
              [
                590999.6213194225,
                2387998.475597606,
                -24.559575528662005
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:51:39+00:00",
        "end_time": "2013-09-09T22:07:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9188.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9188.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9188.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9188.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1209125,
            21.59261168,
            -24.55957553,
            -158.1111977,
            21.60169691,
            -0.7795755287
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12091254544984,
                  21.592662967280283,
                  -24.559575528662005
                ],
                [
                  -158.12085798933026,
                  21.601696906969625,
                  -24.559575528662005
                ],
                [
                  -158.11119770828694,
                  21.601645592543925,
                  -0.779575528662004
                ],
                [
                  -158.11125286362105,
                  21.592611676179956,
                  -0.779575528662004
                ],
                [
                  -158.12091254544984,
                  21.592662967280283,
                  -24.559575528662005
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9188.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9188.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:51:39Z",
            "pc:count": 5863497,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591488.666,
                "count": 5863497,
                "maximum": 591999.6413,
                "minimum": 590999.6213,
                "name": "X",
                "position": 0,
                "stddev": 271.3027783,
                "variance": 73605.1975
              },
              {
                "average": 2388423.383,
                "count": 5863497,
                "maximum": 2388998.476,
                "minimum": 2387998.476,
                "name": "Y",
                "position": 1,
                "stddev": 278.4333785,
                "variance": 77525.14624
              },
              {
                "average": -6.263689998,
                "count": 5863497,
                "maximum": -0.7795755287,
                "minimum": -24.55957553,
                "name": "Z",
                "position": 2,
                "stddev": 3.118009494,
                "variance": 9.721983208
              },
              {
                "average": 10.40022806,
                "count": 5863497,
                "maximum": 8716,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.81791763,
                "variance": 949.7440473
              },
              {
                "average": 1.017524866,
                "count": 5863497,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1334319593,
                "variance": 0.01780408775
              },
              {
                "average": 1.024879351,
                "count": 5863497,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.159771252,
                "variance": 0.02552685297
              },
              {
                "average": 1,
                "count": 5863497,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5863497,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5863497,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.76500367,
                "count": 5863497,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.448404732,
                "variance": 29.68511413
              },
              {
                "average": 104.722504,
                "count": 5863497,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.3322465,
                "variance": 5980.276349
              },
              {
                "average": 3.073034744,
                "count": 5863497,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.224118532,
                "variance": 4.946703242
              },
              {
                "average": 63333269.63,
                "count": 5863497,
                "maximum": 63929099.56,
                "minimum": 62799640.88,
                "name": "GpsTime",
                "position": 12,
                "stddev": 504154.8094,
                "variance": 254172071800.0
              },
              {
                "average": 0,
                "count": 5863497,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5863497,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5863497,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5863497,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5863497,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6213,
              2387998.476,
              -24.55957553,
              591999.6413,
              2388998.476,
              -0.7795755287
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.6213194225,
                    2387998.475597606,
                    -24.559575528662005
                  ],
                  [
                    590999.6213194225,
                    2388998.475597606,
                    -24.559575528662005
                  ],
                  [
                    591999.6413194225,
                    2388998.475597606,
                    -0.779575528662004
                  ],
                  [
                    591999.6413194225,
                    2387998.475597606,
                    -0.779575528662004
                  ],
                  [
                    590999.6213194225,
                    2387998.475597606,
                    -24.559575528662005
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:51:39+00:00",
            "end_time": "2013-09-09T22:07:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8371.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1990311130816,
              21.43947140733801,
              -18.10991420367251
            ],
            [
              -158.19898179312025,
              21.448505877679906,
              -18.10991420367251
            ],
            [
              -158.1893314702583,
              21.448459404270224,
              27.690085796327494
            ],
            [
              -158.18938138567822,
              21.439424954396152,
              27.690085796327494
            ],
            [
              -158.1990311130816,
              21.43947140733801,
              -18.10991420367251
            ]
          ]
        ]
      },
      "bbox": [
        -158.1990311,
        21.43942495,
        -18.1099142,
        -158.1893315,
        21.44850588,
        27.6900858
      ],
      "properties": {
        "datetime": "2013-09-18T20:44:16Z",
        "pc:count": 8851736,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583543.1376,
            "count": 8851736,
            "maximum": 583999.6455,
            "minimum": 582999.6255,
            "name": "X",
            "position": 0,
            "stddev": 288.5708549,
            "variance": 83273.13832
          },
          {
            "average": 2371517.938,
            "count": 8851736,
            "maximum": 2371998.464,
            "minimum": 2370998.444,
            "name": "Y",
            "position": 1,
            "stddev": 287.2534709,
            "variance": 82514.55653
          },
          {
            "average": -2.973051816,
            "count": 8851736,
            "maximum": 27.6900858,
            "minimum": -18.1099142,
            "name": "Z",
            "position": 2,
            "stddev": 5.266226927,
            "variance": 27.73314604
          },
          {
            "average": 16.66554594,
            "count": 8851736,
            "maximum": 8482,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 49.86818658,
            "variance": 2486.836032
          },
          {
            "average": 1.099863801,
            "count": 8851736,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.431213631,
            "variance": 0.1859451956
          },
          {
            "average": 1.197979131,
            "count": 8851736,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6846200223,
            "variance": 0.4687045749
          },
          {
            "average": 1,
            "count": 8851736,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8851736,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 23.60875098,
            "count": 8851736,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.99004535,
            "variance": 120.7810969
          },
          {
            "average": 20.0719173,
            "count": 8851736,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.834888164,
            "variance": 8.036590904
          },
          {
            "average": 90.50207281,
            "count": 8851736,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.43459541,
            "variance": 4683.293849
          },
          {
            "average": 4.350607384,
            "count": 8851736,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.761841936,
            "variance": 3.104087006
          },
          {
            "average": 62821135.89,
            "count": 8851736,
            "maximum": 63572256.97,
            "minimum": 62715491.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 168098.2549,
            "variance": 28257023310.0
          },
          {
            "average": 0,
            "count": 8851736,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8851736,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8851736,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8851736,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8851736,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582999.6255,
          2370998.444,
          -18.1099142,
          583999.6455,
          2371998.464,
          27.6900858
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582999.6255465477,
                2370998.4444933757,
                -18.10991420367251
              ],
              [
                582999.6255465477,
                2371998.4644933753,
                -18.10991420367251
              ],
              [
                583999.6455465477,
                2371998.4644933753,
                27.690085796327494
              ],
              [
                583999.6455465477,
                2370998.4444933757,
                27.690085796327494
              ],
              [
                582999.6255465477,
                2370998.4444933757,
                -18.10991420367251
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:44:16+00:00",
        "end_time": "2013-09-08T22:44:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8371.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8371.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8371.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8371.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1990311,
            21.43942495,
            -18.1099142,
            -158.1893315,
            21.44850588,
            27.6900858
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1990311130816,
                  21.43947140733801,
                  -18.10991420367251
                ],
                [
                  -158.19898179312025,
                  21.448505877679906,
                  -18.10991420367251
                ],
                [
                  -158.1893314702583,
                  21.448459404270224,
                  27.690085796327494
                ],
                [
                  -158.18938138567822,
                  21.439424954396152,
                  27.690085796327494
                ],
                [
                  -158.1990311130816,
                  21.43947140733801,
                  -18.10991420367251
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8371.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8371.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:44:16Z",
            "pc:count": 8851736,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583543.1376,
                "count": 8851736,
                "maximum": 583999.6455,
                "minimum": 582999.6255,
                "name": "X",
                "position": 0,
                "stddev": 288.5708549,
                "variance": 83273.13832
              },
              {
                "average": 2371517.938,
                "count": 8851736,
                "maximum": 2371998.464,
                "minimum": 2370998.444,
                "name": "Y",
                "position": 1,
                "stddev": 287.2534709,
                "variance": 82514.55653
              },
              {
                "average": -2.973051816,
                "count": 8851736,
                "maximum": 27.6900858,
                "minimum": -18.1099142,
                "name": "Z",
                "position": 2,
                "stddev": 5.266226927,
                "variance": 27.73314604
              },
              {
                "average": 16.66554594,
                "count": 8851736,
                "maximum": 8482,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 49.86818658,
                "variance": 2486.836032
              },
              {
                "average": 1.099863801,
                "count": 8851736,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.431213631,
                "variance": 0.1859451956
              },
              {
                "average": 1.197979131,
                "count": 8851736,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6846200223,
                "variance": 0.4687045749
              },
              {
                "average": 1,
                "count": 8851736,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8851736,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 23.60875098,
                "count": 8851736,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.99004535,
                "variance": 120.7810969
              },
              {
                "average": 20.0719173,
                "count": 8851736,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.834888164,
                "variance": 8.036590904
              },
              {
                "average": 90.50207281,
                "count": 8851736,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.43459541,
                "variance": 4683.293849
              },
              {
                "average": 4.350607384,
                "count": 8851736,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.761841936,
                "variance": 3.104087006
              },
              {
                "average": 62821135.89,
                "count": 8851736,
                "maximum": 63572256.97,
                "minimum": 62715491.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 168098.2549,
                "variance": 28257023310.0
              },
              {
                "average": 0,
                "count": 8851736,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8851736,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8851736,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8851736,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8851736,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582999.6255,
              2370998.444,
              -18.1099142,
              583999.6455,
              2371998.464,
              27.6900858
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582999.6255465477,
                    2370998.4444933757,
                    -18.10991420367251
                  ],
                  [
                    582999.6255465477,
                    2371998.4644933753,
                    -18.10991420367251
                  ],
                  [
                    583999.6455465477,
                    2371998.4644933753,
                    27.690085796327494
                  ],
                  [
                    583999.6455465477,
                    2370998.4444933757,
                    27.690085796327494
                  ],
                  [
                    582999.6255465477,
                    2370998.4444933757,
                    -18.10991420367251
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:44:16+00:00",
            "end_time": "2013-09-08T22:44:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9355.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1034168185294,
              21.294435743244115,
              -2.760026862348816
            ],
            [
              -158.1033620195029,
              21.30346995514038,
              -2.760026862348816
            ],
            [
              -158.0937216347868,
              21.303418299260745,
              41.31997313765118
            ],
            [
              -158.09377702256833,
              21.294384111605112,
              41.31997313765118
            ],
            [
              -158.1034168185294,
              21.294435743244115,
              -2.760026862348816
            ]
          ]
        ]
      },
      "bbox": [
        -158.1034168,
        21.29438411,
        -2.760026862,
        -158.0937216,
        21.30346996,
        41.31997314
      ],
      "properties": {
        "datetime": "2013-09-18T21:01:47Z",
        "pc:count": 6855569,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593412.7561,
            "count": 6855569,
            "maximum": 593999.6727,
            "minimum": 592999.6727,
            "name": "X",
            "position": 0,
            "stddev": 279.4693994,
            "variance": 78103.14522
          },
          {
            "average": 2355395.334,
            "count": 6855569,
            "maximum": 2355998.464,
            "minimum": 2354998.464,
            "name": "Y",
            "position": 1,
            "stddev": 225.3776441,
            "variance": 50795.08247
          },
          {
            "average": 4.457443893,
            "count": 6855569,
            "maximum": 41.31997314,
            "minimum": -2.760026862,
            "name": "Z",
            "position": 2,
            "stddev": 3.664657449,
            "variance": 13.42971422
          },
          {
            "average": 30.19180319,
            "count": 6855569,
            "maximum": 8162,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 49.91944152,
            "variance": 2491.950642
          },
          {
            "average": 1.239894165,
            "count": 6855569,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6167896856,
            "variance": 0.3804295162
          },
          {
            "average": 1.464365394,
            "count": 6855569,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9296832827,
            "variance": 0.8643110062
          },
          {
            "average": 1,
            "count": 6855569,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6855569,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.895960933,
            "count": 6855569,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.186529012,
            "variance": 67.01925726
          },
          {
            "average": 8.880086559,
            "count": 6855569,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.12095362,
            "variance": 102.4337021
          },
          {
            "average": 91.54108609,
            "count": 6855569,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.89626426,
            "variance": 4211.525115
          },
          {
            "average": 5.340257096,
            "count": 6855569,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.258154503,
            "variance": 10.61557077
          },
          {
            "average": 63439735.08,
            "count": 6855569,
            "maximum": 63573307.17,
            "minimum": 62722685.32,
            "name": "GpsTime",
            "position": 12,
            "stddev": 141821.1886,
            "variance": 20113249530.0
          },
          {
            "average": 0,
            "count": 6855569,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6855569,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6855569,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6855569,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6855569,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592999.6727,
          2354998.464,
          -2.760026862,
          593999.6727,
          2355998.464,
          41.31997314
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592999.6727429286,
                2354998.4642127063,
                -2.760026862348816
              ],
              [
                592999.6727429286,
                2355998.4642127063,
                -2.760026862348816
              ],
              [
                593999.6727429286,
                2355998.4642127063,
                41.31997313765118
              ],
              [
                593999.6727429286,
                2354998.4642127063,
                41.31997313765118
              ],
              [
                592999.6727429286,
                2354998.4642127063,
                -2.760026862348816
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:01:47+00:00",
        "end_time": "2013-09-09T00:44:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9355.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9355.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9355.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9355.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1034168,
            21.29438411,
            -2.760026862,
            -158.0937216,
            21.30346996,
            41.31997314
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1034168185294,
                  21.294435743244115,
                  -2.760026862348816
                ],
                [
                  -158.1033620195029,
                  21.30346995514038,
                  -2.760026862348816
                ],
                [
                  -158.0937216347868,
                  21.303418299260745,
                  41.31997313765118
                ],
                [
                  -158.09377702256833,
                  21.294384111605112,
                  41.31997313765118
                ],
                [
                  -158.1034168185294,
                  21.294435743244115,
                  -2.760026862348816
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9355.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9355.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:01:47Z",
            "pc:count": 6855569,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593412.7561,
                "count": 6855569,
                "maximum": 593999.6727,
                "minimum": 592999.6727,
                "name": "X",
                "position": 0,
                "stddev": 279.4693994,
                "variance": 78103.14522
              },
              {
                "average": 2355395.334,
                "count": 6855569,
                "maximum": 2355998.464,
                "minimum": 2354998.464,
                "name": "Y",
                "position": 1,
                "stddev": 225.3776441,
                "variance": 50795.08247
              },
              {
                "average": 4.457443893,
                "count": 6855569,
                "maximum": 41.31997314,
                "minimum": -2.760026862,
                "name": "Z",
                "position": 2,
                "stddev": 3.664657449,
                "variance": 13.42971422
              },
              {
                "average": 30.19180319,
                "count": 6855569,
                "maximum": 8162,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 49.91944152,
                "variance": 2491.950642
              },
              {
                "average": 1.239894165,
                "count": 6855569,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6167896856,
                "variance": 0.3804295162
              },
              {
                "average": 1.464365394,
                "count": 6855569,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9296832827,
                "variance": 0.8643110062
              },
              {
                "average": 1,
                "count": 6855569,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6855569,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.895960933,
                "count": 6855569,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.186529012,
                "variance": 67.01925726
              },
              {
                "average": 8.880086559,
                "count": 6855569,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.12095362,
                "variance": 102.4337021
              },
              {
                "average": 91.54108609,
                "count": 6855569,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.89626426,
                "variance": 4211.525115
              },
              {
                "average": 5.340257096,
                "count": 6855569,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.258154503,
                "variance": 10.61557077
              },
              {
                "average": 63439735.08,
                "count": 6855569,
                "maximum": 63573307.17,
                "minimum": 62722685.32,
                "name": "GpsTime",
                "position": 12,
                "stddev": 141821.1886,
                "variance": 20113249530.0
              },
              {
                "average": 0,
                "count": 6855569,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6855569,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6855569,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6855569,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6855569,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592999.6727,
              2354998.464,
              -2.760026862,
              593999.6727,
              2355998.464,
              41.31997314
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592999.6727429286,
                    2354998.4642127063,
                    -2.760026862348816
                  ],
                  [
                    592999.6727429286,
                    2355998.4642127063,
                    -2.760026862348816
                  ],
                  [
                    593999.6727429286,
                    2355998.4642127063,
                    41.31997313765118
                  ],
                  [
                    593999.6727429286,
                    2354998.4642127063,
                    41.31997313765118
                  ],
                  [
                    592999.6727429286,
                    2354998.4642127063,
                    -2.760026862348816
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:01:47+00:00",
            "end_time": "2013-09-09T00:44:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfj0098.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.03337715337855,
              21.6825179921011,
              -8.296005873285242
            ],
            [
              -158.0333168985944,
              21.691551608563262,
              -8.296005873285242
            ],
            [
              -158.02365110197496,
              21.691494985699677,
              42.943994126714756
            ],
            [
              -158.02371196052988,
              21.682461394741065,
              42.943994126714756
            ],
            [
              -158.03337715337855,
              21.6825179921011,
              -8.296005873285242
            ]
          ]
        ]
      },
      "bbox": [
        -158.0333772,
        21.68246139,
        -8.296005873,
        -158.0236511,
        21.69155161,
        42.94399413
      ],
      "properties": {
        "datetime": "2013-09-23T00:47:20Z",
        "pc:count": 6079555,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 600519.5121,
            "count": 6079555,
            "maximum": 600999.6653,
            "minimum": 599999.6653,
            "name": "X",
            "position": 0,
            "stddev": 277.8495097,
            "variance": 77200.35003
          },
          {
            "average": 2398508.521,
            "count": 6079555,
            "maximum": 2398998.49,
            "minimum": 2397998.49,
            "name": "Y",
            "position": 1,
            "stddev": 271.1954761,
            "variance": 73546.98626
          },
          {
            "average": 5.019049141,
            "count": 6079555,
            "maximum": 42.94399413,
            "minimum": -8.296005873,
            "name": "Z",
            "position": 2,
            "stddev": 7.427474336,
            "variance": 55.16737501
          },
          {
            "average": 9.673886,
            "count": 6079555,
            "maximum": 8973,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.82550403,
            "variance": 521.0036344
          },
          {
            "average": 1.397509522,
            "count": 6079555,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8201447329,
            "variance": 0.6726373829
          },
          {
            "average": 1.744033733,
            "count": 6079555,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.214621873,
            "variance": 1.475306293
          },
          {
            "average": 1,
            "count": 6079555,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6079555,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.24010951,
            "count": 6079555,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.63498501,
            "variance": 185.9128161
          },
          {
            "average": 20.30092713,
            "count": 6079555,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.106698509,
            "variance": 9.651575624
          },
          {
            "average": 91.01056607,
            "count": 6079555,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.78919555,
            "variance": 4460.796642
          },
          {
            "average": 7.906567504,
            "count": 6079555,
            "maximum": 15,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.475218167,
            "variance": 6.126704973
          },
          {
            "average": 62891419.23,
            "count": 6079555,
            "maximum": 63932440.85,
            "minimum": 62796941.88,
            "name": "GpsTime",
            "position": 12,
            "stddev": 310979.9122,
            "variance": 96708505770.0
          },
          {
            "average": 0,
            "count": 6079555,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6079555,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6079555,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6079555,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6079555,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          599999.6653,
          2397998.49,
          -8.296005873,
          600999.6653,
          2398998.49,
          42.94399413
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                599999.6652780811,
                2397998.4901764095,
                -8.296005873285242
              ],
              [
                599999.6652780811,
                2398998.4901764095,
                -8.296005873285242
              ],
              [
                600999.6652780811,
                2398998.4901764095,
                42.943994126714756
              ],
              [
                600999.6652780811,
                2397998.4901764095,
                42.943994126714756
              ],
              [
                599999.6652780811,
                2397998.4901764095,
                -8.296005873285242
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:47:20+00:00",
        "end_time": "2013-09-09T21:22:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfj0098.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfj0098.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfj0098.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0098.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0333772,
            21.68246139,
            -8.296005873,
            -158.0236511,
            21.69155161,
            42.94399413
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.03337715337855,
                  21.6825179921011,
                  -8.296005873285242
                ],
                [
                  -158.0333168985944,
                  21.691551608563262,
                  -8.296005873285242
                ],
                [
                  -158.02365110197496,
                  21.691494985699677,
                  42.943994126714756
                ],
                [
                  -158.02371196052988,
                  21.682461394741065,
                  42.943994126714756
                ],
                [
                  -158.03337715337855,
                  21.6825179921011,
                  -8.296005873285242
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfj0098.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0098.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:47:20Z",
            "pc:count": 6079555,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 600519.5121,
                "count": 6079555,
                "maximum": 600999.6653,
                "minimum": 599999.6653,
                "name": "X",
                "position": 0,
                "stddev": 277.8495097,
                "variance": 77200.35003
              },
              {
                "average": 2398508.521,
                "count": 6079555,
                "maximum": 2398998.49,
                "minimum": 2397998.49,
                "name": "Y",
                "position": 1,
                "stddev": 271.1954761,
                "variance": 73546.98626
              },
              {
                "average": 5.019049141,
                "count": 6079555,
                "maximum": 42.94399413,
                "minimum": -8.296005873,
                "name": "Z",
                "position": 2,
                "stddev": 7.427474336,
                "variance": 55.16737501
              },
              {
                "average": 9.673886,
                "count": 6079555,
                "maximum": 8973,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.82550403,
                "variance": 521.0036344
              },
              {
                "average": 1.397509522,
                "count": 6079555,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8201447329,
                "variance": 0.6726373829
              },
              {
                "average": 1.744033733,
                "count": 6079555,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.214621873,
                "variance": 1.475306293
              },
              {
                "average": 1,
                "count": 6079555,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6079555,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.24010951,
                "count": 6079555,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.63498501,
                "variance": 185.9128161
              },
              {
                "average": 20.30092713,
                "count": 6079555,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.106698509,
                "variance": 9.651575624
              },
              {
                "average": 91.01056607,
                "count": 6079555,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.78919555,
                "variance": 4460.796642
              },
              {
                "average": 7.906567504,
                "count": 6079555,
                "maximum": 15,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.475218167,
                "variance": 6.126704973
              },
              {
                "average": 62891419.23,
                "count": 6079555,
                "maximum": 63932440.85,
                "minimum": 62796941.88,
                "name": "GpsTime",
                "position": 12,
                "stddev": 310979.9122,
                "variance": 96708505770.0
              },
              {
                "average": 0,
                "count": 6079555,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6079555,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6079555,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6079555,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6079555,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              599999.6653,
              2397998.49,
              -8.296005873,
              600999.6653,
              2398998.49,
              42.94399413
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    599999.6652780811,
                    2397998.4901764095,
                    -8.296005873285242
                  ],
                  [
                    599999.6652780811,
                    2398998.4901764095,
                    -8.296005873285242
                  ],
                  [
                    600999.6652780811,
                    2398998.4901764095,
                    42.943994126714756
                  ],
                  [
                    600999.6652780811,
                    2397998.4901764095,
                    42.943994126714756
                  ],
                  [
                    599999.6652780811,
                    2397998.4901764095,
                    -8.296005873285242
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:47:20+00:00",
            "end_time": "2013-09-09T21:22:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9189.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.12085797240442,
              21.601696908795336,
              -28.176327074159115
            ],
            [
              -158.12080339271574,
              21.610730837146924,
              -28.176327074159115
            ],
            [
              -158.11114270549507,
              21.610679500363407,
              -8.036327074159114
            ],
            [
              -158.11119788456247,
              21.60164559540053,
              -8.036327074159114
            ],
            [
              -158.12085797240442,
              21.601696908795336,
              -28.176327074159115
            ]
          ]
        ]
      },
      "bbox": [
        -158.120858,
        21.6016456,
        -28.17632707,
        -158.1111427,
        21.61073084,
        -8.036327074
      ],
      "properties": {
        "datetime": "2013-09-22T23:32:43Z",
        "pc:count": 949615,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591559.8014,
            "count": 949615,
            "maximum": 591999.6231,
            "minimum": 590999.6231,
            "name": "X",
            "position": 0,
            "stddev": 287.6705568,
            "variance": 82754.34923
          },
          {
            "average": 2389376.279,
            "count": 949615,
            "maximum": 2389998.476,
            "minimum": 2388998.476,
            "name": "Y",
            "position": 1,
            "stddev": 305.2081077,
            "variance": 93151.989
          },
          {
            "average": -17.59968832,
            "count": 949615,
            "maximum": -8.036327074,
            "minimum": -28.17632707,
            "name": "Z",
            "position": 2,
            "stddev": 5.061692933,
            "variance": 25.62073535
          },
          {
            "average": 142.3398325,
            "count": 949615,
            "maximum": 8774,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 135.2529947,
            "variance": 18293.37258
          },
          {
            "average": 1.003182342,
            "count": 949615,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05779885698,
            "variance": 0.003340707868
          },
          {
            "average": 1.005377969,
            "count": 949615,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07670727639,
            "variance": 0.005884006251
          },
          {
            "average": 1,
            "count": 949615,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 949615,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 949615,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.98901992,
            "count": 949615,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.491348085,
            "variance": 72.1029923
          },
          {
            "average": 191.4076778,
            "count": 949615,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 83.28659314,
            "variance": 6936.656597
          },
          {
            "average": 3.208268614,
            "count": 949615,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.185606334,
            "variance": 1.405662379
          },
          {
            "average": 62844154.03,
            "count": 949615,
            "maximum": 63927963.23,
            "minimum": 62799622.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 189195.3877,
            "variance": 35794894710.0
          },
          {
            "average": 0,
            "count": 949615,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 949615,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 949615,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 949615,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 949615,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          590999.6231,
          2388998.476,
          -28.17632707,
          591999.6231,
          2389998.476,
          -8.036327074
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                590999.623070361,
                2388998.475809591,
                -28.176327074159115
              ],
              [
                590999.623070361,
                2389998.475809591,
                -28.176327074159115
              ],
              [
                591999.623070361,
                2389998.475809591,
                -8.036327074159114
              ],
              [
                591999.623070361,
                2388998.475809591,
                -8.036327074159114
              ],
              [
                590999.623070361,
                2388998.475809591,
                -28.176327074159115
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:32:43+00:00",
        "end_time": "2013-09-09T22:07:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9189.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9189.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9189.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9189.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.120858,
            21.6016456,
            -28.17632707,
            -158.1111427,
            21.61073084,
            -8.036327074
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.12085797240442,
                  21.601696908795336,
                  -28.176327074159115
                ],
                [
                  -158.12080339271574,
                  21.610730837146924,
                  -28.176327074159115
                ],
                [
                  -158.11114270549507,
                  21.610679500363407,
                  -8.036327074159114
                ],
                [
                  -158.11119788456247,
                  21.60164559540053,
                  -8.036327074159114
                ],
                [
                  -158.12085797240442,
                  21.601696908795336,
                  -28.176327074159115
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9189.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9189.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:32:43Z",
            "pc:count": 949615,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591559.8014,
                "count": 949615,
                "maximum": 591999.6231,
                "minimum": 590999.6231,
                "name": "X",
                "position": 0,
                "stddev": 287.6705568,
                "variance": 82754.34923
              },
              {
                "average": 2389376.279,
                "count": 949615,
                "maximum": 2389998.476,
                "minimum": 2388998.476,
                "name": "Y",
                "position": 1,
                "stddev": 305.2081077,
                "variance": 93151.989
              },
              {
                "average": -17.59968832,
                "count": 949615,
                "maximum": -8.036327074,
                "minimum": -28.17632707,
                "name": "Z",
                "position": 2,
                "stddev": 5.061692933,
                "variance": 25.62073535
              },
              {
                "average": 142.3398325,
                "count": 949615,
                "maximum": 8774,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 135.2529947,
                "variance": 18293.37258
              },
              {
                "average": 1.003182342,
                "count": 949615,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05779885698,
                "variance": 0.003340707868
              },
              {
                "average": 1.005377969,
                "count": 949615,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07670727639,
                "variance": 0.005884006251
              },
              {
                "average": 1,
                "count": 949615,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 949615,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 949615,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.98901992,
                "count": 949615,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.491348085,
                "variance": 72.1029923
              },
              {
                "average": 191.4076778,
                "count": 949615,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 83.28659314,
                "variance": 6936.656597
              },
              {
                "average": 3.208268614,
                "count": 949615,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.185606334,
                "variance": 1.405662379
              },
              {
                "average": 62844154.03,
                "count": 949615,
                "maximum": 63927963.23,
                "minimum": 62799622.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 189195.3877,
                "variance": 35794894710.0
              },
              {
                "average": 0,
                "count": 949615,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 949615,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 949615,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 949615,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 949615,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              590999.6231,
              2388998.476,
              -28.17632707,
              591999.6231,
              2389998.476,
              -8.036327074
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    590999.623070361,
                    2388998.475809591,
                    -28.176327074159115
                  ],
                  [
                    590999.623070361,
                    2389998.475809591,
                    -28.176327074159115
                  ],
                  [
                    591999.623070361,
                    2389998.475809591,
                    -8.036327074159114
                  ],
                  [
                    591999.623070361,
                    2388998.475809591,
                    -8.036327074159114
                  ],
                  [
                    590999.623070361,
                    2388998.475809591,
                    -28.176327074159115
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:32:43+00:00",
            "end_time": "2013-09-09T22:07:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8864.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1511488704382,
              21.375994104930125,
              -17.983444348230712
            ],
            [
              -158.1510967754798,
              21.38502835334043,
              -17.983444348230712
            ],
            [
              -158.14145093423292,
              21.38497925388886,
              33.69655565176929
            ],
            [
              -158.14150362011745,
              21.37594502856293,
              33.69655565176929
            ],
            [
              -158.1511488704382,
              21.375994104930125,
              -17.983444348230712
            ]
          ]
        ]
      },
      "bbox": [
        -158.1511489,
        21.37594503,
        -17.98344435,
        -158.1414509,
        21.38502835,
        33.69655565
      ],
      "properties": {
        "datetime": "2013-09-10T23:54:30Z",
        "pc:count": 10934207,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588502.85,
            "count": 10934207,
            "maximum": 588999.6549,
            "minimum": 587999.6549,
            "name": "X",
            "position": 0,
            "stddev": 271.3903549,
            "variance": 73652.72475
          },
          {
            "average": 2364494.625,
            "count": 10934207,
            "maximum": 2364998.464,
            "minimum": 2363998.464,
            "name": "Y",
            "position": 1,
            "stddev": 277.2179028,
            "variance": 76849.76565
          },
          {
            "average": 2.155458496,
            "count": 10934207,
            "maximum": 33.69655565,
            "minimum": -17.98344435,
            "name": "Z",
            "position": 2,
            "stddev": 6.812949734,
            "variance": 46.41628408
          },
          {
            "average": 21.19419021,
            "count": 10934207,
            "maximum": 8959,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 51.29872241,
            "variance": 2631.558921
          },
          {
            "average": 1.29821678,
            "count": 10934207,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7479574171,
            "variance": 0.5594402978
          },
          {
            "average": 1.595171831,
            "count": 10934207,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.174537377,
            "variance": 1.379538051
          },
          {
            "average": 1,
            "count": 10934207,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10934207,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.62956911,
            "count": 10934207,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.84344178,
            "variance": 191.6408802
          },
          {
            "average": 20.17521875,
            "count": 10934207,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.003967273,
            "variance": 9.023819377
          },
          {
            "average": 91.40809187,
            "count": 10934207,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.66484976,
            "variance": 4311.872494
          },
          {
            "average": 2.907230767,
            "count": 10934207,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.484092994,
            "variance": 2.202532016
          },
          {
            "average": 62796359.41,
            "count": 10934207,
            "maximum": 62892470.06,
            "minimum": 62715620.06,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86238.83831,
            "variance": 7437137233
          },
          {
            "average": 0,
            "count": 10934207,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10934207,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10934207,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10934207,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10934207,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          587999.6549,
          2363998.464,
          -17.98344435,
          588999.6549,
          2364998.464,
          33.69655565
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                587999.6549140651,
                2363998.4637839645,
                -17.983444348230712
              ],
              [
                587999.6549140651,
                2364998.4637839645,
                -17.983444348230712
              ],
              [
                588999.6549140651,
                2364998.4637839645,
                33.69655565176929
              ],
              [
                588999.6549140651,
                2363998.4637839645,
                33.69655565176929
              ],
              [
                587999.6549140651,
                2363998.4637839645,
                -17.983444348230712
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:54:30+00:00",
        "end_time": "2013-09-08T22:47:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8864.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8864.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8864.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8864.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1511489,
            21.37594503,
            -17.98344435,
            -158.1414509,
            21.38502835,
            33.69655565
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1511488704382,
                  21.375994104930125,
                  -17.983444348230712
                ],
                [
                  -158.1510967754798,
                  21.38502835334043,
                  -17.983444348230712
                ],
                [
                  -158.14145093423292,
                  21.38497925388886,
                  33.69655565176929
                ],
                [
                  -158.14150362011745,
                  21.37594502856293,
                  33.69655565176929
                ],
                [
                  -158.1511488704382,
                  21.375994104930125,
                  -17.983444348230712
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8864.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8864.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:54:30Z",
            "pc:count": 10934207,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588502.85,
                "count": 10934207,
                "maximum": 588999.6549,
                "minimum": 587999.6549,
                "name": "X",
                "position": 0,
                "stddev": 271.3903549,
                "variance": 73652.72475
              },
              {
                "average": 2364494.625,
                "count": 10934207,
                "maximum": 2364998.464,
                "minimum": 2363998.464,
                "name": "Y",
                "position": 1,
                "stddev": 277.2179028,
                "variance": 76849.76565
              },
              {
                "average": 2.155458496,
                "count": 10934207,
                "maximum": 33.69655565,
                "minimum": -17.98344435,
                "name": "Z",
                "position": 2,
                "stddev": 6.812949734,
                "variance": 46.41628408
              },
              {
                "average": 21.19419021,
                "count": 10934207,
                "maximum": 8959,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 51.29872241,
                "variance": 2631.558921
              },
              {
                "average": 1.29821678,
                "count": 10934207,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7479574171,
                "variance": 0.5594402978
              },
              {
                "average": 1.595171831,
                "count": 10934207,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.174537377,
                "variance": 1.379538051
              },
              {
                "average": 1,
                "count": 10934207,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10934207,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.62956911,
                "count": 10934207,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.84344178,
                "variance": 191.6408802
              },
              {
                "average": 20.17521875,
                "count": 10934207,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.003967273,
                "variance": 9.023819377
              },
              {
                "average": 91.40809187,
                "count": 10934207,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.66484976,
                "variance": 4311.872494
              },
              {
                "average": 2.907230767,
                "count": 10934207,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.484092994,
                "variance": 2.202532016
              },
              {
                "average": 62796359.41,
                "count": 10934207,
                "maximum": 62892470.06,
                "minimum": 62715620.06,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86238.83831,
                "variance": 7437137233
              },
              {
                "average": 0,
                "count": 10934207,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10934207,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10934207,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10934207,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10934207,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              587999.6549,
              2363998.464,
              -17.98344435,
              588999.6549,
              2364998.464,
              33.69655565
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    587999.6549140651,
                    2363998.4637839645,
                    -17.983444348230712
                  ],
                  [
                    587999.6549140651,
                    2364998.4637839645,
                    -17.983444348230712
                  ],
                  [
                    588999.6549140651,
                    2364998.4637839645,
                    33.69655565176929
                  ],
                  [
                    588999.6549140651,
                    2363998.4637839645,
                    33.69655565176929
                  ],
                  [
                    587999.6549140651,
                    2363998.4637839645,
                    -17.983444348230712
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:54:30+00:00",
            "end_time": "2013-09-08T22:47:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9190.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11574292712905,
              21.61070391853,
              -29.61974796820338
            ],
            [
              -158.11571164585817,
              21.61585017410243,
              -29.61974796820338
            ],
            [
              -158.11111126154233,
              21.615825652041526,
              -12.379747968203379
            ],
            [
              -158.11114270546796,
              21.610679402839324,
              -12.379747968203379
            ],
            [
              -158.11574292712905,
              21.61070391853,
              -29.61974796820338
            ]
          ]
        ]
      },
      "bbox": [
        -158.1157429,
        21.6106794,
        -29.61974797,
        -158.1111113,
        21.61585017,
        -12.37974797
      ],
      "properties": {
        "datetime": "2013-09-09T22:24:46Z",
        "pc:count": 116033,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 591863.8993,
            "count": 116033,
            "maximum": 591999.6231,
            "minimum": 591523.4431,
            "name": "X",
            "position": 0,
            "stddev": 116.2180986,
            "variance": 13506.64645
          },
          {
            "average": 2390171.673,
            "count": 116033,
            "maximum": 2390568.125,
            "minimum": 2389998.465,
            "name": "Y",
            "position": 1,
            "stddev": 134.8344909,
            "variance": 18180.33993
          },
          {
            "average": -22.7492575,
            "count": 116033,
            "maximum": -12.37974797,
            "minimum": -29.61974797,
            "name": "Z",
            "position": 2,
            "stddev": 5.590888594,
            "variance": 31.25803527
          },
          {
            "average": 341.2396215,
            "count": 116033,
            "maximum": 6827,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 217.41748,
            "variance": 47270.36062
          },
          {
            "average": 1.006394733,
            "count": 116033,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08014263026,
            "variance": 0.006422841186
          },
          {
            "average": 1.011927641,
            "count": 116033,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1102936079,
            "variance": 0.01216467995
          },
          {
            "average": 1,
            "count": 116033,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 116033,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 116033,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.24613768,
            "count": 116033,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.184962216,
            "variance": 84.36353091
          },
          {
            "average": 218.7713323,
            "count": 116033,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 65.98415057,
            "variance": 4353.908127
          },
          {
            "average": 2.379116286,
            "count": 116033,
            "maximum": 4,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.5588371626,
            "variance": 0.3122989743
          },
          {
            "average": 62799812.07,
            "count": 116033,
            "maximum": 62800686.66,
            "minimum": 62799614.92,
            "name": "GpsTime",
            "position": 12,
            "stddev": 284.8063208,
            "variance": 81114.6404
          },
          {
            "average": 0,
            "count": 116033,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 116033,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 116033,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 116033,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 116033,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591523.4431,
          2389998.465,
          -29.61974797,
          591999.6231,
          2390568.125,
          -12.37974797
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591523.4431348379,
                2389998.4650146123,
                -29.61974796820338
              ],
              [
                591523.4431348379,
                2390568.1250146125,
                -29.61974796820338
              ],
              [
                591999.6231348378,
                2390568.1250146125,
                -12.379747968203379
              ],
              [
                591999.6231348378,
                2389998.4650146123,
                -12.379747968203379
              ],
              [
                591523.4431348379,
                2389998.4650146123,
                -29.61974796820338
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T22:24:46+00:00",
        "end_time": "2013-09-09T22:06:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9190.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9190.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9190.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9190.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1157429,
            21.6106794,
            -29.61974797,
            -158.1111113,
            21.61585017,
            -12.37974797
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11574292712905,
                  21.61070391853,
                  -29.61974796820338
                ],
                [
                  -158.11571164585817,
                  21.61585017410243,
                  -29.61974796820338
                ],
                [
                  -158.11111126154233,
                  21.615825652041526,
                  -12.379747968203379
                ],
                [
                  -158.11114270546796,
                  21.610679402839324,
                  -12.379747968203379
                ],
                [
                  -158.11574292712905,
                  21.61070391853,
                  -29.61974796820338
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9190.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9190.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T22:24:46Z",
            "pc:count": 116033,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 591863.8993,
                "count": 116033,
                "maximum": 591999.6231,
                "minimum": 591523.4431,
                "name": "X",
                "position": 0,
                "stddev": 116.2180986,
                "variance": 13506.64645
              },
              {
                "average": 2390171.673,
                "count": 116033,
                "maximum": 2390568.125,
                "minimum": 2389998.465,
                "name": "Y",
                "position": 1,
                "stddev": 134.8344909,
                "variance": 18180.33993
              },
              {
                "average": -22.7492575,
                "count": 116033,
                "maximum": -12.37974797,
                "minimum": -29.61974797,
                "name": "Z",
                "position": 2,
                "stddev": 5.590888594,
                "variance": 31.25803527
              },
              {
                "average": 341.2396215,
                "count": 116033,
                "maximum": 6827,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 217.41748,
                "variance": 47270.36062
              },
              {
                "average": 1.006394733,
                "count": 116033,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08014263026,
                "variance": 0.006422841186
              },
              {
                "average": 1.011927641,
                "count": 116033,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1102936079,
                "variance": 0.01216467995
              },
              {
                "average": 1,
                "count": 116033,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 116033,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 116033,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.24613768,
                "count": 116033,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.184962216,
                "variance": 84.36353091
              },
              {
                "average": 218.7713323,
                "count": 116033,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 65.98415057,
                "variance": 4353.908127
              },
              {
                "average": 2.379116286,
                "count": 116033,
                "maximum": 4,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.5588371626,
                "variance": 0.3122989743
              },
              {
                "average": 62799812.07,
                "count": 116033,
                "maximum": 62800686.66,
                "minimum": 62799614.92,
                "name": "GpsTime",
                "position": 12,
                "stddev": 284.8063208,
                "variance": 81114.6404
              },
              {
                "average": 0,
                "count": 116033,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 116033,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 116033,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 116033,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 116033,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591523.4431,
              2389998.465,
              -29.61974797,
              591999.6231,
              2390568.125,
              -12.37974797
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591523.4431348379,
                    2389998.4650146123,
                    -29.61974796820338
                  ],
                  [
                    591523.4431348379,
                    2390568.1250146125,
                    -29.61974796820338
                  ],
                  [
                    591999.6231348378,
                    2390568.1250146125,
                    -12.379747968203379
                  ],
                  [
                    591999.6231348378,
                    2389998.4650146123,
                    -12.379747968203379
                  ],
                  [
                    591523.4431348379,
                    2389998.4650146123,
                    -29.61974796820338
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T22:24:46+00:00",
            "end_time": "2013-09-09T22:06:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9252.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.10784246879516,
              21.2723812572348,
              -48.45024146255611
            ],
            [
              -158.1078182816262,
              21.276390141613874,
              -48.45024146255611
            ],
            [
              -158.1035263864102,
              21.276367351896486,
              -25.85024146255611
            ],
            [
              -158.10355068873437,
              21.27235847339551,
              -25.85024146255611
            ],
            [
              -158.10784246879516,
              21.2723812572348,
              -48.45024146255611
            ]
          ]
        ]
      },
      "bbox": [
        -158.1078425,
        21.27235847,
        -48.45024146,
        -158.1035264,
        21.27639014,
        -25.85024146
      ],
      "properties": {
        "datetime": "2013-09-11T00:20:24Z",
        "pc:count": 69910,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592858.9785,
            "count": 69910,
            "maximum": 592999.6682,
            "minimum": 592554.3882,
            "name": "X",
            "position": 0,
            "stddev": 109.9216443,
            "variance": 12082.76789
          },
          {
            "average": 2352859.434,
            "count": 69910,
            "maximum": 2352998.473,
            "minimum": 2352554.733,
            "name": "Y",
            "position": 1,
            "stddev": 100.1593133,
            "variance": 10031.88803
          },
          {
            "average": -32.11417295,
            "count": 69910,
            "maximum": -25.85024146,
            "minimum": -48.45024146,
            "name": "Z",
            "position": 2,
            "stddev": 3.883559939,
            "variance": 15.0820378
          },
          {
            "average": 1431.402732,
            "count": 69910,
            "maximum": 4426,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 585.859857,
            "variance": 343231.772
          },
          {
            "average": 1.001544843,
            "count": 69910,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03927440506,
            "variance": 0.001542478893
          },
          {
            "average": 1.001659276,
            "count": 69910,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04070069668,
            "variance": 0.00165654671
          },
          {
            "average": 1,
            "count": 69910,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 69910,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 69910,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.778413892,
            "count": 69910,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.822858465,
            "variance": 96.48854843
          },
          {
            "average": 248.9935775,
            "count": 69910,
            "maximum": 251,
            "minimum": 94,
            "name": "UserData",
            "position": 10,
            "stddev": 2.386744652,
            "variance": 5.696550033
          },
          {
            "average": 7.467286511,
            "count": 69910,
            "maximum": 9,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.5583272417,
            "variance": 0.3117293088
          },
          {
            "average": 62893255.96,
            "count": 69910,
            "maximum": 62894024.81,
            "minimum": 62893128.41,
            "name": "GpsTime",
            "position": 12,
            "stddev": 178.5759182,
            "variance": 31889.35855
          },
          {
            "average": 0,
            "count": 69910,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 69910,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 69910,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 69910,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 69910,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592554.3882,
          2352554.733,
          -48.45024146,
          592999.6682,
          2352998.473,
          -25.85024146
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592554.3881919197,
                2352554.7327589476,
                -48.45024146255611
              ],
              [
                592554.3881919197,
                2352998.472758948,
                -48.45024146255611
              ],
              [
                592999.6681919197,
                2352998.472758948,
                -25.85024146255611
              ],
              [
                592999.6681919197,
                2352554.7327589476,
                -25.85024146255611
              ],
              [
                592554.3881919197,
                2352554.7327589476,
                -48.45024146255611
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T00:20:24+00:00",
        "end_time": "2013-09-11T00:05:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9252.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9252.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9252.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9252.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1078425,
            21.27235847,
            -48.45024146,
            -158.1035264,
            21.27639014,
            -25.85024146
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.10784246879516,
                  21.2723812572348,
                  -48.45024146255611
                ],
                [
                  -158.1078182816262,
                  21.276390141613874,
                  -48.45024146255611
                ],
                [
                  -158.1035263864102,
                  21.276367351896486,
                  -25.85024146255611
                ],
                [
                  -158.10355068873437,
                  21.27235847339551,
                  -25.85024146255611
                ],
                [
                  -158.10784246879516,
                  21.2723812572348,
                  -48.45024146255611
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9252.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9252.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T00:20:24Z",
            "pc:count": 69910,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592858.9785,
                "count": 69910,
                "maximum": 592999.6682,
                "minimum": 592554.3882,
                "name": "X",
                "position": 0,
                "stddev": 109.9216443,
                "variance": 12082.76789
              },
              {
                "average": 2352859.434,
                "count": 69910,
                "maximum": 2352998.473,
                "minimum": 2352554.733,
                "name": "Y",
                "position": 1,
                "stddev": 100.1593133,
                "variance": 10031.88803
              },
              {
                "average": -32.11417295,
                "count": 69910,
                "maximum": -25.85024146,
                "minimum": -48.45024146,
                "name": "Z",
                "position": 2,
                "stddev": 3.883559939,
                "variance": 15.0820378
              },
              {
                "average": 1431.402732,
                "count": 69910,
                "maximum": 4426,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 585.859857,
                "variance": 343231.772
              },
              {
                "average": 1.001544843,
                "count": 69910,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03927440506,
                "variance": 0.001542478893
              },
              {
                "average": 1.001659276,
                "count": 69910,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04070069668,
                "variance": 0.00165654671
              },
              {
                "average": 1,
                "count": 69910,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 69910,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 69910,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.778413892,
                "count": 69910,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.822858465,
                "variance": 96.48854843
              },
              {
                "average": 248.9935775,
                "count": 69910,
                "maximum": 251,
                "minimum": 94,
                "name": "UserData",
                "position": 10,
                "stddev": 2.386744652,
                "variance": 5.696550033
              },
              {
                "average": 7.467286511,
                "count": 69910,
                "maximum": 9,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.5583272417,
                "variance": 0.3117293088
              },
              {
                "average": 62893255.96,
                "count": 69910,
                "maximum": 62894024.81,
                "minimum": 62893128.41,
                "name": "GpsTime",
                "position": 12,
                "stddev": 178.5759182,
                "variance": 31889.35855
              },
              {
                "average": 0,
                "count": 69910,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 69910,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 69910,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 69910,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 69910,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592554.3882,
              2352554.733,
              -48.45024146,
              592999.6682,
              2352998.473,
              -25.85024146
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592554.3881919197,
                    2352554.7327589476,
                    -48.45024146255611
                  ],
                  [
                    592554.3881919197,
                    2352998.472758948,
                    -48.45024146255611
                  ],
                  [
                    592999.6681919197,
                    2352998.472758948,
                    -25.85024146255611
                  ],
                  [
                    592999.6681919197,
                    2352554.7327589476,
                    -25.85024146255611
                  ],
                  [
                    592554.3881919197,
                    2352554.7327589476,
                    -48.45024146255611
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T00:20:24+00:00",
            "end_time": "2013-09-11T00:05:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0456.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.99731913062644,
              21.302871180641645,
              -4.826539227206246
            ],
            [
              -157.99725782113381,
              21.311905104560406,
              -4.826539227206246
            ],
            [
              -157.98761699346315,
              21.311847366697844,
              0.073460772793754
            ],
            [
              -157.9876788928919,
              21.302813468741853,
              0.073460772793754
            ],
            [
              -157.99731913062644,
              21.302871180641645,
              -4.826539227206246
            ]
          ]
        ]
      },
      "bbox": [
        -157.9973191,
        21.30281347,
        -4.826539227,
        -157.987617,
        21.3119051,
        0.07346077279
      ],
      "properties": {
        "datetime": "2013-09-16T11:37:20Z",
        "pc:count": 4255861,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 604499.395,
            "count": 4255861,
            "maximum": 604999.7257,
            "minimum": 603999.7057,
            "name": "X",
            "position": 0,
            "stddev": 285.8512545,
            "variance": 81710.9397
          },
          {
            "average": 2356459.254,
            "count": 4255861,
            "maximum": 2356998.444,
            "minimum": 2355998.444,
            "name": "Y",
            "position": 1,
            "stddev": 285.6438221,
            "variance": 81592.39311
          },
          {
            "average": -3.002638848,
            "count": 4255861,
            "maximum": 0.07346077279,
            "minimum": -4.826539227,
            "name": "Z",
            "position": 2,
            "stddev": 0.8737408224,
            "variance": 0.7634230248
          },
          {
            "average": 6.111156591,
            "count": 4255861,
            "maximum": 3581,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 13.98197626,
            "variance": 195.4956602
          },
          {
            "average": 1.002421602,
            "count": 4255861,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04946467544,
            "variance": 0.002446754116
          },
          {
            "average": 1.003153298,
            "count": 4255861,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05643740432,
            "variance": 0.003185180606
          },
          {
            "average": 1,
            "count": 4255861,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4255861,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4255861,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4255861,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 90.37345581,
            "count": 4255861,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 67.63384175,
            "variance": 4574.33655
          },
          {
            "average": 6.352054496,
            "count": 4255861,
            "maximum": 11,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.009113436,
            "variance": 4.036536801
          },
          {
            "average": 63362579.31,
            "count": 4255861,
            "maximum": 63366640.51,
            "minimum": 63359995.04,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1759.766817,
            "variance": 3096779.249
          },
          {
            "average": 0,
            "count": 4255861,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4255861,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4255861,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4255861,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4255861,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          603999.7057,
          2355998.444,
          -4.826539227,
          604999.7257,
          2356998.444,
          0.07346077279
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                603999.7057088927,
                2355998.444150667,
                -4.826539227206246
              ],
              [
                603999.7057088927,
                2356998.444150667,
                -4.826539227206246
              ],
              [
                604999.7257088927,
                2356998.444150667,
                0.073460772793754
              ],
              [
                604999.7257088927,
                2355998.444150667,
                0.073460772793754
              ],
              [
                603999.7057088927,
                2355998.444150667,
                -4.826539227206246
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:37:20+00:00",
        "end_time": "2013-09-16T09:46:35+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0456.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0456.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0456.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0456.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9973191,
            21.30281347,
            -4.826539227,
            -157.987617,
            21.3119051,
            0.07346077279
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.99731913062644,
                  21.302871180641645,
                  -4.826539227206246
                ],
                [
                  -157.99725782113381,
                  21.311905104560406,
                  -4.826539227206246
                ],
                [
                  -157.98761699346315,
                  21.311847366697844,
                  0.073460772793754
                ],
                [
                  -157.9876788928919,
                  21.302813468741853,
                  0.073460772793754
                ],
                [
                  -157.99731913062644,
                  21.302871180641645,
                  -4.826539227206246
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0456.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0456.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:37:20Z",
            "pc:count": 4255861,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 604499.395,
                "count": 4255861,
                "maximum": 604999.7257,
                "minimum": 603999.7057,
                "name": "X",
                "position": 0,
                "stddev": 285.8512545,
                "variance": 81710.9397
              },
              {
                "average": 2356459.254,
                "count": 4255861,
                "maximum": 2356998.444,
                "minimum": 2355998.444,
                "name": "Y",
                "position": 1,
                "stddev": 285.6438221,
                "variance": 81592.39311
              },
              {
                "average": -3.002638848,
                "count": 4255861,
                "maximum": 0.07346077279,
                "minimum": -4.826539227,
                "name": "Z",
                "position": 2,
                "stddev": 0.8737408224,
                "variance": 0.7634230248
              },
              {
                "average": 6.111156591,
                "count": 4255861,
                "maximum": 3581,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 13.98197626,
                "variance": 195.4956602
              },
              {
                "average": 1.002421602,
                "count": 4255861,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04946467544,
                "variance": 0.002446754116
              },
              {
                "average": 1.003153298,
                "count": 4255861,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05643740432,
                "variance": 0.003185180606
              },
              {
                "average": 1,
                "count": 4255861,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4255861,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4255861,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4255861,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 90.37345581,
                "count": 4255861,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 67.63384175,
                "variance": 4574.33655
              },
              {
                "average": 6.352054496,
                "count": 4255861,
                "maximum": 11,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.009113436,
                "variance": 4.036536801
              },
              {
                "average": 63362579.31,
                "count": 4255861,
                "maximum": 63366640.51,
                "minimum": 63359995.04,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1759.766817,
                "variance": 3096779.249
              },
              {
                "average": 0,
                "count": 4255861,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4255861,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4255861,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4255861,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4255861,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              603999.7057,
              2355998.444,
              -4.826539227,
              604999.7257,
              2356998.444,
              0.07346077279
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    603999.7057088927,
                    2355998.444150667,
                    -4.826539227206246
                  ],
                  [
                    603999.7057088927,
                    2356998.444150667,
                    -4.826539227206246
                  ],
                  [
                    604999.7257088927,
                    2356998.444150667,
                    0.073460772793754
                  ],
                  [
                    604999.7257088927,
                    2355998.444150667,
                    0.073460772793754
                  ],
                  [
                    603999.7057088927,
                    2355998.444150667,
                    -4.826539227206246
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:37:20+00:00",
            "end_time": "2013-09-16T09:46:35+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qej9356.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.10336205656387,
              21.303469903564032,
              3.232733082350148
            ],
            [
              -158.1033397781312,
              21.307141583677417,
              3.232733082350148
            ],
            [
              -158.10082530740414,
              21.30712816189078,
              46.15273308235015
            ],
            [
              -158.1008476483,
              21.303456484304164,
              46.15273308235015
            ],
            [
              -158.10336205656387,
              21.303469903564032,
              3.232733082350148
            ]
          ]
        ]
      },
      "bbox": [
        -158.1033621,
        21.30345648,
        3.232733082,
        -158.1008253,
        21.30714158,
        46.15273308
      ],
      "properties": {
        "datetime": "2013-09-18T20:33:47Z",
        "pc:count": 240450,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593100.6774,
            "count": 240450,
            "maximum": 593260.4889,
            "minimum": 592999.6689,
            "name": "X",
            "position": 0,
            "stddev": 65.53855998,
            "variance": 4295.302845
          },
          {
            "average": 2356155.692,
            "count": 240450,
            "maximum": 2356404.878,
            "minimum": 2355998.458,
            "name": "Y",
            "position": 1,
            "stddev": 103.3583577,
            "variance": 10682.95011
          },
          {
            "average": 7.55423302,
            "count": 240450,
            "maximum": 46.15273308,
            "minimum": 3.232733082,
            "name": "Z",
            "position": 2,
            "stddev": 5.837497685,
            "variance": 34.07637922
          },
          {
            "average": 35.80240383,
            "count": 240450,
            "maximum": 745,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 57.34347285,
            "variance": 3288.273878
          },
          {
            "average": 1.245618632,
            "count": 240450,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6159500153,
            "variance": 0.3793944214
          },
          {
            "average": 1.490563527,
            "count": 240450,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9380254466,
            "variance": 0.8798917385
          },
          {
            "average": 1,
            "count": 240450,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 240450,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.402807236,
            "count": 240450,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4904636247,
            "variance": 0.2405545671
          },
          {
            "average": 20.06313901,
            "count": 240450,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.34213181,
            "variance": 5.485581417
          },
          {
            "average": 91.65410272,
            "count": 240450,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.54811855,
            "variance": 4166.459608
          },
          {
            "average": 1,
            "count": 240450,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63571623.03,
            "count": 240450,
            "maximum": 63571627.55,
            "minimum": 63571618.44,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2.253537805,
            "variance": 5.078432637
          },
          {
            "average": 0,
            "count": 240450,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 240450,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 240450,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 240450,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 240450,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592999.6689,
          2355998.458,
          3.232733082,
          593260.4889,
          2356404.878,
          46.15273308
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592999.6689311756,
                2355998.4584820205,
                3.232733082350148
              ],
              [
                592999.6689311756,
                2356404.8784820205,
                3.232733082350148
              ],
              [
                593260.4889311757,
                2356404.8784820205,
                46.15273308235015
              ],
              [
                593260.4889311757,
                2355998.4584820205,
                46.15273308235015
              ],
              [
                592999.6689311756,
                2355998.4584820205,
                3.232733082350148
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:33:47+00:00",
        "end_time": "2013-09-18T20:33:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qej9356.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qej9356.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qej9356.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qej9356.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1033621,
            21.30345648,
            3.232733082,
            -158.1008253,
            21.30714158,
            46.15273308
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.10336205656387,
                  21.303469903564032,
                  3.232733082350148
                ],
                [
                  -158.1033397781312,
                  21.307141583677417,
                  3.232733082350148
                ],
                [
                  -158.10082530740414,
                  21.30712816189078,
                  46.15273308235015
                ],
                [
                  -158.1008476483,
                  21.303456484304164,
                  46.15273308235015
                ],
                [
                  -158.10336205656387,
                  21.303469903564032,
                  3.232733082350148
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qej9356.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qej9356.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:33:47Z",
            "pc:count": 240450,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593100.6774,
                "count": 240450,
                "maximum": 593260.4889,
                "minimum": 592999.6689,
                "name": "X",
                "position": 0,
                "stddev": 65.53855998,
                "variance": 4295.302845
              },
              {
                "average": 2356155.692,
                "count": 240450,
                "maximum": 2356404.878,
                "minimum": 2355998.458,
                "name": "Y",
                "position": 1,
                "stddev": 103.3583577,
                "variance": 10682.95011
              },
              {
                "average": 7.55423302,
                "count": 240450,
                "maximum": 46.15273308,
                "minimum": 3.232733082,
                "name": "Z",
                "position": 2,
                "stddev": 5.837497685,
                "variance": 34.07637922
              },
              {
                "average": 35.80240383,
                "count": 240450,
                "maximum": 745,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 57.34347285,
                "variance": 3288.273878
              },
              {
                "average": 1.245618632,
                "count": 240450,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6159500153,
                "variance": 0.3793944214
              },
              {
                "average": 1.490563527,
                "count": 240450,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9380254466,
                "variance": 0.8798917385
              },
              {
                "average": 1,
                "count": 240450,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 240450,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.402807236,
                "count": 240450,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4904636247,
                "variance": 0.2405545671
              },
              {
                "average": 20.06313901,
                "count": 240450,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.34213181,
                "variance": 5.485581417
              },
              {
                "average": 91.65410272,
                "count": 240450,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.54811855,
                "variance": 4166.459608
              },
              {
                "average": 1,
                "count": 240450,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63571623.03,
                "count": 240450,
                "maximum": 63571627.55,
                "minimum": 63571618.44,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2.253537805,
                "variance": 5.078432637
              },
              {
                "average": 0,
                "count": 240450,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 240450,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 240450,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 240450,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 240450,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592999.6689,
              2355998.458,
              3.232733082,
              593260.4889,
              2356404.878,
              46.15273308
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592999.6689311756,
                    2355998.4584820205,
                    3.232733082350148
                  ],
                  [
                    592999.6689311756,
                    2356404.8784820205,
                    3.232733082350148
                  ],
                  [
                    593260.4889311757,
                    2356404.8784820205,
                    46.15273308235015
                  ],
                  [
                    593260.4889311757,
                    2355998.4584820205,
                    46.15273308235015
                  ],
                  [
                    592999.6689311756,
                    2355998.4584820205,
                    3.232733082350148
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:33:47+00:00",
            "end_time": "2013-09-18T20:33:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej9387.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.10159949341977,
              21.591566988952234,
              2.953772754387588
            ],
            [
              -158.10159336743624,
              21.59255981446762,
              2.953772754387588
            ],
            [
              -158.10091063867247,
              21.592556128302114,
              19.813772754387585
            ],
            [
              -158.1009167693117,
              21.591563302970748,
              19.813772754387585
            ],
            [
              -158.10159949341977,
              21.591566988952234,
              2.953772754387588
            ]
          ]
        ]
      },
      "bbox": [
        -158.1015995,
        21.5915633,
        2.953772754,
        -158.1009106,
        21.59255981,
        19.81377275
      ],
      "properties": {
        "datetime": "2013-09-18T19:17:04Z",
        "pc:count": 42215,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593025.6509,
            "count": 42215,
            "maximum": 593070.3258,
            "minimum": 592999.6458,
            "name": "X",
            "position": 0,
            "stddev": 17.0360255,
            "variance": 290.2261649
          },
          {
            "average": 2387967.002,
            "count": 42215,
            "maximum": 2387998.475,
            "minimum": 2387888.575,
            "name": "Y",
            "position": 1,
            "stddev": 25.86320278,
            "variance": 668.9052581
          },
          {
            "average": 8.114169059,
            "count": 42215,
            "maximum": 19.81377275,
            "minimum": 2.953772754,
            "name": "Z",
            "position": 2,
            "stddev": 3.415671883,
            "variance": 11.66681441
          },
          {
            "average": 20.59964468,
            "count": 42215,
            "maximum": 677,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 38.04301096,
            "variance": 1447.270683
          },
          {
            "average": 1.346156579,
            "count": 42215,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7115420444,
            "variance": 0.5062920809
          },
          {
            "average": 1.683903826,
            "count": 42215,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.051207184,
            "variance": 1.105036544
          },
          {
            "average": 1,
            "count": 42215,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 42215,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.206230013,
            "count": 42215,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4046023636,
            "variance": 0.1637030726
          },
          {
            "average": 20.04384292,
            "count": 42215,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.778405795,
            "variance": 3.16272717
          },
          {
            "average": 91.64889257,
            "count": 42215,
            "maximum": 192,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.11756843,
            "variance": 4240.297718
          },
          {
            "average": 2.929077342,
            "count": 42215,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.998765772,
            "variance": 3.995064613
          },
          {
            "average": 63256827.11,
            "count": 42215,
            "maximum": 63567024.65,
            "minimum": 62967875.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 299387.8347,
            "variance": 89633075550.0
          },
          {
            "average": 0,
            "count": 42215,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 42215,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 42215,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 42215,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 42215,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592999.6458,
          2387888.575,
          2.953772754,
          593070.3258,
          2387998.475,
          19.81377275
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592999.6458128886,
                2387888.5745528517,
                2.953772754387588
              ],
              [
                592999.6458128886,
                2387998.474552852,
                2.953772754387588
              ],
              [
                593070.3258128886,
                2387998.474552852,
                19.813772754387585
              ],
              [
                593070.3258128886,
                2387888.5745528517,
                19.813772754387585
              ],
              [
                592999.6458128886,
                2387888.5745528517,
                2.953772754387588
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T19:17:04+00:00",
        "end_time": "2013-09-11T20:51:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej9387.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej9387.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej9387.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej9387.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1015995,
            21.5915633,
            2.953772754,
            -158.1009106,
            21.59255981,
            19.81377275
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.10159949341977,
                  21.591566988952234,
                  2.953772754387588
                ],
                [
                  -158.10159336743624,
                  21.59255981446762,
                  2.953772754387588
                ],
                [
                  -158.10091063867247,
                  21.592556128302114,
                  19.813772754387585
                ],
                [
                  -158.1009167693117,
                  21.591563302970748,
                  19.813772754387585
                ],
                [
                  -158.10159949341977,
                  21.591566988952234,
                  2.953772754387588
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej9387.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej9387.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T19:17:04Z",
            "pc:count": 42215,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593025.6509,
                "count": 42215,
                "maximum": 593070.3258,
                "minimum": 592999.6458,
                "name": "X",
                "position": 0,
                "stddev": 17.0360255,
                "variance": 290.2261649
              },
              {
                "average": 2387967.002,
                "count": 42215,
                "maximum": 2387998.475,
                "minimum": 2387888.575,
                "name": "Y",
                "position": 1,
                "stddev": 25.86320278,
                "variance": 668.9052581
              },
              {
                "average": 8.114169059,
                "count": 42215,
                "maximum": 19.81377275,
                "minimum": 2.953772754,
                "name": "Z",
                "position": 2,
                "stddev": 3.415671883,
                "variance": 11.66681441
              },
              {
                "average": 20.59964468,
                "count": 42215,
                "maximum": 677,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 38.04301096,
                "variance": 1447.270683
              },
              {
                "average": 1.346156579,
                "count": 42215,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7115420444,
                "variance": 0.5062920809
              },
              {
                "average": 1.683903826,
                "count": 42215,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.051207184,
                "variance": 1.105036544
              },
              {
                "average": 1,
                "count": 42215,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 42215,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.206230013,
                "count": 42215,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4046023636,
                "variance": 0.1637030726
              },
              {
                "average": 20.04384292,
                "count": 42215,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.778405795,
                "variance": 3.16272717
              },
              {
                "average": 91.64889257,
                "count": 42215,
                "maximum": 192,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.11756843,
                "variance": 4240.297718
              },
              {
                "average": 2.929077342,
                "count": 42215,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.998765772,
                "variance": 3.995064613
              },
              {
                "average": 63256827.11,
                "count": 42215,
                "maximum": 63567024.65,
                "minimum": 62967875.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 299387.8347,
                "variance": 89633075550.0
              },
              {
                "average": 0,
                "count": 42215,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 42215,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 42215,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 42215,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 42215,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592999.6458,
              2387888.575,
              2.953772754,
              593070.3258,
              2387998.475,
              19.81377275
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592999.6458128886,
                    2387888.5745528517,
                    2.953772754387588
                  ],
                  [
                    592999.6458128886,
                    2387998.474552852,
                    2.953772754387588
                  ],
                  [
                    593070.3258128886,
                    2387998.474552852,
                    19.813772754387585
                  ],
                  [
                    593070.3258128886,
                    2387888.5745528517,
                    19.813772754387585
                  ],
                  [
                    592999.6458128886,
                    2387888.5745528517,
                    2.953772754387588
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T19:17:04+00:00",
            "end_time": "2013-09-11T20:51:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9253.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11316496683042,
              21.276418333389284,
              -54.94278418281278
            ],
            [
              -158.11311080447294,
              21.28545259986847,
              -54.94278418281278
            ],
            [
              -158.1034715645231,
              21.285401548550944,
              -5.822784182812775
            ],
            [
              -158.10352631450948,
              21.27636730665531,
              -5.822784182812775
            ],
            [
              -158.11316496683042,
              21.276418333389284,
              -54.94278418281278
            ]
          ]
        ]
      },
      "bbox": [
        -158.113165,
        21.27636731,
        -54.94278418,
        -158.1034716,
        21.2854526,
        -5.822784183
      ],
      "properties": {
        "datetime": "2013-09-19T00:49:29Z",
        "pc:count": 2952712,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592684.645,
            "count": 2952712,
            "maximum": 592999.6757,
            "minimum": 591999.6757,
            "name": "X",
            "position": 0,
            "stddev": 229.0319746,
            "variance": 52455.64537
          },
          {
            "average": 2353701.791,
            "count": 2952712,
            "maximum": 2353998.468,
            "minimum": 2352998.468,
            "name": "Y",
            "position": 1,
            "stddev": 216.502617,
            "variance": 46873.38319
          },
          {
            "average": -12.65908289,
            "count": 2952712,
            "maximum": -5.822784183,
            "minimum": -54.94278418,
            "name": "Z",
            "position": 2,
            "stddev": 7.531398174,
            "variance": 56.72195845
          },
          {
            "average": 164.1383565,
            "count": 2952712,
            "maximum": 8792,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 360.6548986,
            "variance": 130071.9559
          },
          {
            "average": 1.008792256,
            "count": 2952712,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09493318234,
            "variance": 0.009012309109
          },
          {
            "average": 1.012885781,
            "count": 2952712,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1155114628,
            "variance": 0.01334289804
          },
          {
            "average": 1,
            "count": 2952712,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2952712,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2952712,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.305695903,
            "count": 2952712,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.15754827,
            "variance": 103.175787
          },
          {
            "average": 127.4572342,
            "count": 2952712,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.46681784,
            "variance": 7826.377858
          },
          {
            "average": 6.390947034,
            "count": 2952712,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.889405282,
            "variance": 8.348662882
          },
          {
            "average": 63144369.55,
            "count": 2952712,
            "maximum": 63586969.56,
            "minimum": 62893110.07,
            "name": "GpsTime",
            "position": 12,
            "stddev": 246412.4535,
            "variance": 60719097220.0
          },
          {
            "average": 0,
            "count": 2952712,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2952712,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2952712,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2952712,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2952712,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.6757,
          2352998.468,
          -54.94278418,
          592999.6757,
          2353998.468,
          -5.822784183
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.6756797568,
                2352998.46779373,
                -54.94278418281278
              ],
              [
                591999.6756797568,
                2353998.46779373,
                -54.94278418281278
              ],
              [
                592999.6756797568,
                2353998.46779373,
                -5.822784182812775
              ],
              [
                592999.6756797568,
                2352998.46779373,
                -5.822784182812775
              ],
              [
                591999.6756797568,
                2352998.46779373,
                -54.94278418281278
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:49:29+00:00",
        "end_time": "2013-09-11T00:05:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9253.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9253.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9253.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9253.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.113165,
            21.27636731,
            -54.94278418,
            -158.1034716,
            21.2854526,
            -5.822784183
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11316496683042,
                  21.276418333389284,
                  -54.94278418281278
                ],
                [
                  -158.11311080447294,
                  21.28545259986847,
                  -54.94278418281278
                ],
                [
                  -158.1034715645231,
                  21.285401548550944,
                  -5.822784182812775
                ],
                [
                  -158.10352631450948,
                  21.27636730665531,
                  -5.822784182812775
                ],
                [
                  -158.11316496683042,
                  21.276418333389284,
                  -54.94278418281278
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9253.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9253.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:49:29Z",
            "pc:count": 2952712,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592684.645,
                "count": 2952712,
                "maximum": 592999.6757,
                "minimum": 591999.6757,
                "name": "X",
                "position": 0,
                "stddev": 229.0319746,
                "variance": 52455.64537
              },
              {
                "average": 2353701.791,
                "count": 2952712,
                "maximum": 2353998.468,
                "minimum": 2352998.468,
                "name": "Y",
                "position": 1,
                "stddev": 216.502617,
                "variance": 46873.38319
              },
              {
                "average": -12.65908289,
                "count": 2952712,
                "maximum": -5.822784183,
                "minimum": -54.94278418,
                "name": "Z",
                "position": 2,
                "stddev": 7.531398174,
                "variance": 56.72195845
              },
              {
                "average": 164.1383565,
                "count": 2952712,
                "maximum": 8792,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 360.6548986,
                "variance": 130071.9559
              },
              {
                "average": 1.008792256,
                "count": 2952712,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09493318234,
                "variance": 0.009012309109
              },
              {
                "average": 1.012885781,
                "count": 2952712,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1155114628,
                "variance": 0.01334289804
              },
              {
                "average": 1,
                "count": 2952712,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2952712,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2952712,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.305695903,
                "count": 2952712,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.15754827,
                "variance": 103.175787
              },
              {
                "average": 127.4572342,
                "count": 2952712,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.46681784,
                "variance": 7826.377858
              },
              {
                "average": 6.390947034,
                "count": 2952712,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.889405282,
                "variance": 8.348662882
              },
              {
                "average": 63144369.55,
                "count": 2952712,
                "maximum": 63586969.56,
                "minimum": 62893110.07,
                "name": "GpsTime",
                "position": 12,
                "stddev": 246412.4535,
                "variance": 60719097220.0
              },
              {
                "average": 0,
                "count": 2952712,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2952712,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2952712,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2952712,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2952712,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.6757,
              2352998.468,
              -54.94278418,
              592999.6757,
              2353998.468,
              -5.822784183
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.6756797568,
                    2352998.46779373,
                    -54.94278418281278
                  ],
                  [
                    591999.6756797568,
                    2353998.46779373,
                    -54.94278418281278
                  ],
                  [
                    592999.6756797568,
                    2353998.46779373,
                    -5.822784182812775
                  ],
                  [
                    592999.6756797568,
                    2352998.46779373,
                    -5.822784182812775
                  ],
                  [
                    591999.6756797568,
                    2352998.46779373,
                    -54.94278418281278
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:49:29+00:00",
            "end_time": "2013-09-11T00:05:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9592.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.08204668778828,
              21.628589816002993,
              -26.523692605401095
            ],
            [
              -158.08198962905232,
              21.637623616747398,
              -26.523692605401095
            ],
            [
              -158.0723270907366,
              21.63756995575991,
              29.496307394598908
            ],
            [
              -158.07238475353566,
              21.628536178551844,
              29.496307394598908
            ],
            [
              -158.08204668778828,
              21.628589816002993,
              -26.523692605401095
            ]
          ]
        ]
      },
      "bbox": [
        -158.0820467,
        21.62853618,
        -26.52369261,
        -158.0723271,
        21.63762362,
        29.49630739
      ],
      "properties": {
        "datetime": "2013-09-22T23:57:49Z",
        "pc:count": 6945291,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 595462.6652,
            "count": 6945291,
            "maximum": 595999.6592,
            "minimum": 594999.6392,
            "name": "X",
            "position": 0,
            "stddev": 290.4621829,
            "variance": 84368.27969
          },
          {
            "average": 2392460.672,
            "count": 6945291,
            "maximum": 2392998.484,
            "minimum": 2391998.484,
            "name": "Y",
            "position": 1,
            "stddev": 269.9518785,
            "variance": 72874.01671
          },
          {
            "average": -7.058454895,
            "count": 6945291,
            "maximum": 29.49630739,
            "minimum": -26.52369261,
            "name": "Z",
            "position": 2,
            "stddev": 5.136791205,
            "variance": 26.38662388
          },
          {
            "average": 17.14659026,
            "count": 6945291,
            "maximum": 7933,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 46.37204765,
            "variance": 2150.366803
          },
          {
            "average": 1.053925026,
            "count": 6945291,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2949928904,
            "variance": 0.0870208054
          },
          {
            "average": 1.105789376,
            "count": 6945291,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4619149189,
            "variance": 0.2133653923
          },
          {
            "average": 1,
            "count": 6945291,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6945291,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 27.63791784,
            "count": 6945291,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.012743938,
            "variance": 36.15308966
          },
          {
            "average": 18.61907153,
            "count": 6945291,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.59845401,
            "variance": 31.3426873
          },
          {
            "average": 100.8786286,
            "count": 6945291,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 74.6916791,
            "variance": 5578.846926
          },
          {
            "average": 4.317733987,
            "count": 6945291,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.428627958,
            "variance": 5.898233758
          },
          {
            "average": 63288021.89,
            "count": 6945291,
            "maximum": 63929469.19,
            "minimum": 62871660.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 453784.8614,
            "variance": 205920700500.0
          },
          {
            "average": 0,
            "count": 6945291,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6945291,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6945291,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6945291,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6945291,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594999.6392,
          2391998.484,
          -26.52369261,
          595999.6592,
          2392998.484,
          29.49630739
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594999.6391518057,
                2391998.483953825,
                -26.523692605401095
              ],
              [
                594999.6391518057,
                2392998.483953825,
                -26.523692605401095
              ],
              [
                595999.6591518057,
                2392998.483953825,
                29.496307394598908
              ],
              [
                595999.6591518057,
                2391998.483953825,
                29.496307394598908
              ],
              [
                594999.6391518057,
                2391998.483953825,
                -26.523692605401095
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:57:49+00:00",
        "end_time": "2013-09-10T18:07:40+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9592.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9592.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9592.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9592.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0820467,
            21.62853618,
            -26.52369261,
            -158.0723271,
            21.63762362,
            29.49630739
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.08204668778828,
                  21.628589816002993,
                  -26.523692605401095
                ],
                [
                  -158.08198962905232,
                  21.637623616747398,
                  -26.523692605401095
                ],
                [
                  -158.0723270907366,
                  21.63756995575991,
                  29.496307394598908
                ],
                [
                  -158.07238475353566,
                  21.628536178551844,
                  29.496307394598908
                ],
                [
                  -158.08204668778828,
                  21.628589816002993,
                  -26.523692605401095
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9592.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9592.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:57:49Z",
            "pc:count": 6945291,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 595462.6652,
                "count": 6945291,
                "maximum": 595999.6592,
                "minimum": 594999.6392,
                "name": "X",
                "position": 0,
                "stddev": 290.4621829,
                "variance": 84368.27969
              },
              {
                "average": 2392460.672,
                "count": 6945291,
                "maximum": 2392998.484,
                "minimum": 2391998.484,
                "name": "Y",
                "position": 1,
                "stddev": 269.9518785,
                "variance": 72874.01671
              },
              {
                "average": -7.058454895,
                "count": 6945291,
                "maximum": 29.49630739,
                "minimum": -26.52369261,
                "name": "Z",
                "position": 2,
                "stddev": 5.136791205,
                "variance": 26.38662388
              },
              {
                "average": 17.14659026,
                "count": 6945291,
                "maximum": 7933,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 46.37204765,
                "variance": 2150.366803
              },
              {
                "average": 1.053925026,
                "count": 6945291,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2949928904,
                "variance": 0.0870208054
              },
              {
                "average": 1.105789376,
                "count": 6945291,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4619149189,
                "variance": 0.2133653923
              },
              {
                "average": 1,
                "count": 6945291,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6945291,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 27.63791784,
                "count": 6945291,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.012743938,
                "variance": 36.15308966
              },
              {
                "average": 18.61907153,
                "count": 6945291,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.59845401,
                "variance": 31.3426873
              },
              {
                "average": 100.8786286,
                "count": 6945291,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 74.6916791,
                "variance": 5578.846926
              },
              {
                "average": 4.317733987,
                "count": 6945291,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.428627958,
                "variance": 5.898233758
              },
              {
                "average": 63288021.89,
                "count": 6945291,
                "maximum": 63929469.19,
                "minimum": 62871660.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 453784.8614,
                "variance": 205920700500.0
              },
              {
                "average": 0,
                "count": 6945291,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6945291,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6945291,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6945291,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6945291,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594999.6392,
              2391998.484,
              -26.52369261,
              595999.6592,
              2392998.484,
              29.49630739
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594999.6391518057,
                    2391998.483953825,
                    -26.523692605401095
                  ],
                  [
                    594999.6391518057,
                    2392998.483953825,
                    -26.523692605401095
                  ],
                  [
                    595999.6591518057,
                    2392998.483953825,
                    29.496307394598908
                  ],
                  [
                    595999.6591518057,
                    2391998.483953825,
                    29.496307394598908
                  ],
                  [
                    594999.6391518057,
                    2391998.483953825,
                    -26.523692605401095
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:57:49+00:00",
            "end_time": "2013-09-10T18:07:40+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9794.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0626065285962,
              21.646549389801187,
              -9.391775554570089
            ],
            [
              -158.0625482027347,
              21.655583302914895,
              -9.391775554570089
            ],
            [
              -158.05288471314134,
              21.65552847118876,
              168.52822444542994
            ],
            [
              -158.0529436410565,
              21.646494582857542,
              168.52822444542994
            ],
            [
              -158.0626065285962,
              21.646549389801187,
              -9.391775554570089
            ]
          ]
        ]
      },
      "bbox": [
        -158.0626065,
        21.64649458,
        -9.391775555,
        -158.0528847,
        21.6555833,
        168.5282244
      ],
      "properties": {
        "datetime": "2013-09-22T23:57:14Z",
        "pc:count": 16847889,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 597430.7906,
            "count": 16847889,
            "maximum": 597999.6539,
            "minimum": 596999.6539,
            "name": "X",
            "position": 0,
            "stddev": 238.2022427,
            "variance": 56740.30842
          },
          {
            "average": 2394506.122,
            "count": 16847889,
            "maximum": 2394998.494,
            "minimum": 2393998.474,
            "name": "Y",
            "position": 1,
            "stddev": 295.6117546,
            "variance": 87386.30948
          },
          {
            "average": 63.10381186,
            "count": 16847889,
            "maximum": 168.5282244,
            "minimum": -9.391775555,
            "name": "Z",
            "position": 2,
            "stddev": 46.01738171,
            "variance": 2117.599419
          },
          {
            "average": 11.12873429,
            "count": 16847889,
            "maximum": 909,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.4802383,
            "variance": 599.2820675
          },
          {
            "average": 1.893080967,
            "count": 16847889,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.102784789,
            "variance": 1.216134291
          },
          {
            "average": 2.788245637,
            "count": 16847889,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.511066056,
            "variance": 2.283320626
          },
          {
            "average": 1,
            "count": 16847889,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16847889,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.189506828,
            "count": 16847889,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.690890885,
            "variance": 2.859111985
          },
          {
            "average": 20.31816369,
            "count": 16847889,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.652576807,
            "variance": 13.34131733
          },
          {
            "average": 91.17489402,
            "count": 16847889,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.1922735,
            "variance": 4514.801618
          },
          {
            "average": 5.28500532,
            "count": 16847889,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.793953749,
            "variance": 7.806177553
          },
          {
            "average": 63188985.56,
            "count": 16847889,
            "maximum": 63929434.46,
            "minimum": 62798335.26,
            "name": "GpsTime",
            "position": 12,
            "stddev": 392863.4747,
            "variance": 154341709700.0
          },
          {
            "average": 0,
            "count": 16847889,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16847889,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16847889,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16847889,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16847889,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          596999.6539,
          2393998.474,
          -9.391775555,
          597999.6539,
          2394998.494,
          168.5282244
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                596999.6539259143,
                2393998.4741344205,
                -9.391775554570089
              ],
              [
                596999.6539259143,
                2394998.49413442,
                -9.391775554570089
              ],
              [
                597999.6539259143,
                2394998.49413442,
                168.52822444542994
              ],
              [
                597999.6539259143,
                2393998.4741344205,
                168.52822444542994
              ],
              [
                596999.6539259143,
                2393998.4741344205,
                -9.391775554570089
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:57:14+00:00",
        "end_time": "2013-09-09T21:45:35+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9794.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9794.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9794.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9794.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0626065,
            21.64649458,
            -9.391775555,
            -158.0528847,
            21.6555833,
            168.5282244
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0626065285962,
                  21.646549389801187,
                  -9.391775554570089
                ],
                [
                  -158.0625482027347,
                  21.655583302914895,
                  -9.391775554570089
                ],
                [
                  -158.05288471314134,
                  21.65552847118876,
                  168.52822444542994
                ],
                [
                  -158.0529436410565,
                  21.646494582857542,
                  168.52822444542994
                ],
                [
                  -158.0626065285962,
                  21.646549389801187,
                  -9.391775554570089
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9794.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9794.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:57:14Z",
            "pc:count": 16847889,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 597430.7906,
                "count": 16847889,
                "maximum": 597999.6539,
                "minimum": 596999.6539,
                "name": "X",
                "position": 0,
                "stddev": 238.2022427,
                "variance": 56740.30842
              },
              {
                "average": 2394506.122,
                "count": 16847889,
                "maximum": 2394998.494,
                "minimum": 2393998.474,
                "name": "Y",
                "position": 1,
                "stddev": 295.6117546,
                "variance": 87386.30948
              },
              {
                "average": 63.10381186,
                "count": 16847889,
                "maximum": 168.5282244,
                "minimum": -9.391775555,
                "name": "Z",
                "position": 2,
                "stddev": 46.01738171,
                "variance": 2117.599419
              },
              {
                "average": 11.12873429,
                "count": 16847889,
                "maximum": 909,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.4802383,
                "variance": 599.2820675
              },
              {
                "average": 1.893080967,
                "count": 16847889,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.102784789,
                "variance": 1.216134291
              },
              {
                "average": 2.788245637,
                "count": 16847889,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.511066056,
                "variance": 2.283320626
              },
              {
                "average": 1,
                "count": 16847889,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16847889,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.189506828,
                "count": 16847889,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.690890885,
                "variance": 2.859111985
              },
              {
                "average": 20.31816369,
                "count": 16847889,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.652576807,
                "variance": 13.34131733
              },
              {
                "average": 91.17489402,
                "count": 16847889,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.1922735,
                "variance": 4514.801618
              },
              {
                "average": 5.28500532,
                "count": 16847889,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.793953749,
                "variance": 7.806177553
              },
              {
                "average": 63188985.56,
                "count": 16847889,
                "maximum": 63929434.46,
                "minimum": 62798335.26,
                "name": "GpsTime",
                "position": 12,
                "stddev": 392863.4747,
                "variance": 154341709700.0
              },
              {
                "average": 0,
                "count": 16847889,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16847889,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16847889,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16847889,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16847889,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              596999.6539,
              2393998.474,
              -9.391775555,
              597999.6539,
              2394998.494,
              168.5282244
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    596999.6539259143,
                    2393998.4741344205,
                    -9.391775554570089
                  ],
                  [
                    596999.6539259143,
                    2394998.49413442,
                    -9.391775554570089
                  ],
                  [
                    597999.6539259143,
                    2394998.49413442,
                    168.52822444542994
                  ],
                  [
                    597999.6539259143,
                    2393998.4741344205,
                    168.52822444542994
                  ],
                  [
                    596999.6539259143,
                    2393998.4741344205,
                    -9.391775554570089
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:57:14+00:00",
            "end_time": "2013-09-09T21:45:35+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfj0099.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.03331699270223,
              21.69155155108186,
              -22.999120044352516
            ],
            [
              -158.03325670483792,
              21.700585338258684,
              -22.999120044352516
            ],
            [
              -158.02359011096175,
              21.70052868871107,
              0.280879955647483
            ],
            [
              -158.02365100277066,
              21.691494927085834,
              0.280879955647483
            ],
            [
              -158.03331699270223,
              21.69155155108186,
              -22.999120044352516
            ]
          ]
        ]
      },
      "bbox": [
        -158.033317,
        21.69149493,
        -22.99912004,
        -158.0235901,
        21.70058534,
        0.2808799556
      ],
      "properties": {
        "datetime": "2013-09-23T00:40:54Z",
        "pc:count": 4625276,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 600541.8827,
            "count": 4625276,
            "maximum": 600999.6756,
            "minimum": 599999.6556,
            "name": "X",
            "position": 0,
            "stddev": 279.086941,
            "variance": 77889.52065
          },
          {
            "average": 2399453.631,
            "count": 4625276,
            "maximum": 2399998.504,
            "minimum": 2398998.484,
            "name": "Y",
            "position": 1,
            "stddev": 269.6131054,
            "variance": 72691.22663
          },
          {
            "average": -6.744978475,
            "count": 4625276,
            "maximum": 0.2808799556,
            "minimum": -22.99912004,
            "name": "Z",
            "position": 2,
            "stddev": 2.666793476,
            "variance": 7.111787446
          },
          {
            "average": 10.24458346,
            "count": 4625276,
            "maximum": 7357,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.63613226,
            "variance": 938.5726001
          },
          {
            "average": 1.015682524,
            "count": 4625276,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.125435566,
            "variance": 0.01573408121
          },
          {
            "average": 1.030716653,
            "count": 4625276,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.174915936,
            "variance": 0.03059558467
          },
          {
            "average": 1,
            "count": 4625276,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4625276,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4625276,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.17408091,
            "count": 4625276,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.508711649,
            "variance": 20.32848073
          },
          {
            "average": 93.41443581,
            "count": 4625276,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 65.34391994,
            "variance": 4269.827873
          },
          {
            "average": 3.734041169,
            "count": 4625276,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.699891864,
            "variance": 2.889632349
          },
          {
            "average": 62803893.62,
            "count": 4625276,
            "maximum": 63932054.62,
            "minimum": 62796259.76,
            "name": "GpsTime",
            "position": 12,
            "stddev": 87146.05091,
            "variance": 7594434189
          },
          {
            "average": 0,
            "count": 4625276,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4625276,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4625276,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4625276,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4625276,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          599999.6556,
          2398998.484,
          -22.99912004,
          600999.6756,
          2399998.504,
          0.2808799556
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                599999.6555819856,
                2398998.4837528793,
                -22.999120044352516
              ],
              [
                599999.6555819856,
                2399998.503752879,
                -22.999120044352516
              ],
              [
                600999.6755819856,
                2399998.503752879,
                0.280879955647483
              ],
              [
                600999.6755819856,
                2398998.4837528793,
                0.280879955647483
              ],
              [
                599999.6555819856,
                2398998.4837528793,
                -22.999120044352516
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:40:54+00:00",
        "end_time": "2013-09-09T21:10:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfj0099.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfj0099.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfj0099.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0099.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.033317,
            21.69149493,
            -22.99912004,
            -158.0235901,
            21.70058534,
            0.2808799556
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.03331699270223,
                  21.69155155108186,
                  -22.999120044352516
                ],
                [
                  -158.03325670483792,
                  21.700585338258684,
                  -22.999120044352516
                ],
                [
                  -158.02359011096175,
                  21.70052868871107,
                  0.280879955647483
                ],
                [
                  -158.02365100277066,
                  21.691494927085834,
                  0.280879955647483
                ],
                [
                  -158.03331699270223,
                  21.69155155108186,
                  -22.999120044352516
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfj0099.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0099.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:40:54Z",
            "pc:count": 4625276,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 600541.8827,
                "count": 4625276,
                "maximum": 600999.6756,
                "minimum": 599999.6556,
                "name": "X",
                "position": 0,
                "stddev": 279.086941,
                "variance": 77889.52065
              },
              {
                "average": 2399453.631,
                "count": 4625276,
                "maximum": 2399998.504,
                "minimum": 2398998.484,
                "name": "Y",
                "position": 1,
                "stddev": 269.6131054,
                "variance": 72691.22663
              },
              {
                "average": -6.744978475,
                "count": 4625276,
                "maximum": 0.2808799556,
                "minimum": -22.99912004,
                "name": "Z",
                "position": 2,
                "stddev": 2.666793476,
                "variance": 7.111787446
              },
              {
                "average": 10.24458346,
                "count": 4625276,
                "maximum": 7357,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.63613226,
                "variance": 938.5726001
              },
              {
                "average": 1.015682524,
                "count": 4625276,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.125435566,
                "variance": 0.01573408121
              },
              {
                "average": 1.030716653,
                "count": 4625276,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.174915936,
                "variance": 0.03059558467
              },
              {
                "average": 1,
                "count": 4625276,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4625276,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4625276,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.17408091,
                "count": 4625276,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.508711649,
                "variance": 20.32848073
              },
              {
                "average": 93.41443581,
                "count": 4625276,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 65.34391994,
                "variance": 4269.827873
              },
              {
                "average": 3.734041169,
                "count": 4625276,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.699891864,
                "variance": 2.889632349
              },
              {
                "average": 62803893.62,
                "count": 4625276,
                "maximum": 63932054.62,
                "minimum": 62796259.76,
                "name": "GpsTime",
                "position": 12,
                "stddev": 87146.05091,
                "variance": 7594434189
              },
              {
                "average": 0,
                "count": 4625276,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4625276,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4625276,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4625276,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4625276,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              599999.6556,
              2398998.484,
              -22.99912004,
              600999.6756,
              2399998.504,
              0.2808799556
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    599999.6555819856,
                    2398998.4837528793,
                    -22.999120044352516
                  ],
                  [
                    599999.6555819856,
                    2399998.503752879,
                    -22.999120044352516
                  ],
                  [
                    600999.6755819856,
                    2399998.503752879,
                    0.280879955647483
                  ],
                  [
                    600999.6755819856,
                    2398998.4837528793,
                    0.280879955647483
                  ],
                  [
                    599999.6555819856,
                    2398998.4837528793,
                    -22.999120044352516
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:40:54+00:00",
            "end_time": "2013-09-09T21:10:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0457.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.99725781488561,
              21.311905163843416,
              -2.174986395171896
            ],
            [
              -157.99719779663647,
              21.320744126701147,
              -2.174986395171896
            ],
            [
              -157.9875563907282,
              21.320686363355527,
              23.585013604828106
            ],
            [
              -157.9876169872111,
              21.311847425980357,
              23.585013604828106
            ],
            [
              -157.99725781488561,
              21.311905163843416,
              -2.174986395171896
            ]
          ]
        ]
      },
      "bbox": [
        -157.9972578,
        21.31184743,
        -2.174986395,
        -157.9875564,
        21.32074413,
        23.5850136
      ],
      "properties": {
        "datetime": "2013-09-16T09:54:28Z",
        "pc:count": 4858710,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 604445.8771,
            "count": 4858710,
            "maximum": 604999.7263,
            "minimum": 603999.7063,
            "name": "X",
            "position": 0,
            "stddev": 299.1619204,
            "variance": 89497.85461
          },
          {
            "average": 2357417.081,
            "count": 4858710,
            "maximum": 2357976.871,
            "minimum": 2356998.451,
            "name": "Y",
            "position": 1,
            "stddev": 213.038873,
            "variance": 45385.56143
          },
          {
            "average": 4.21131691,
            "count": 4858710,
            "maximum": 23.5850136,
            "minimum": -2.174986395,
            "name": "Z",
            "position": 2,
            "stddev": 3.617270465,
            "variance": 13.08464562
          },
          {
            "average": 20.77445845,
            "count": 4858710,
            "maximum": 1788,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.57794341,
            "variance": 1265.790057
          },
          {
            "average": 1.551148144,
            "count": 4858710,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9174994243,
            "variance": 0.8418051935
          },
          {
            "average": 2.051040503,
            "count": 4858710,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.312147281,
            "variance": 1.721730487
          },
          {
            "average": 1,
            "count": 4858710,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4858710,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.71077817,
            "count": 4858710,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.876009416,
            "variance": 62.03152431
          },
          {
            "average": 0,
            "count": 4858710,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.32477118,
            "count": 4858710,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.9593486,
            "variance": 4483.554365
          },
          {
            "average": 4.396032692,
            "count": 4858710,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.166900462,
            "variance": 10.02925854
          },
          {
            "average": 63309975.36,
            "count": 4858710,
            "maximum": 63360468.31,
            "minimum": 63276132.87,
            "name": "GpsTime",
            "position": 12,
            "stddev": 36361.89158,
            "variance": 1322187159
          },
          {
            "average": 0,
            "count": 4858710,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4858710,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4858710,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4858710,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4858710,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          603999.7063,
          2356998.451,
          -2.174986395,
          604999.7263,
          2357976.871,
          23.5850136
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                603999.7063152357,
                2356998.4507167935,
                -2.174986395171896
              ],
              [
                603999.7063152357,
                2357976.8707167935,
                -2.174986395171896
              ],
              [
                604999.7263152357,
                2357976.8707167935,
                23.585013604828106
              ],
              [
                604999.7263152357,
                2356998.4507167935,
                23.585013604828106
              ],
              [
                603999.7063152357,
                2356998.4507167935,
                -2.174986395171896
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:54:28+00:00",
        "end_time": "2013-09-15T10:28:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0457.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0457.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0457.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0457.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9972578,
            21.31184743,
            -2.174986395,
            -157.9875564,
            21.32074413,
            23.5850136
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.99725781488561,
                  21.311905163843416,
                  -2.174986395171896
                ],
                [
                  -157.99719779663647,
                  21.320744126701147,
                  -2.174986395171896
                ],
                [
                  -157.9875563907282,
                  21.320686363355527,
                  23.585013604828106
                ],
                [
                  -157.9876169872111,
                  21.311847425980357,
                  23.585013604828106
                ],
                [
                  -157.99725781488561,
                  21.311905163843416,
                  -2.174986395171896
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0457.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0457.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:54:28Z",
            "pc:count": 4858710,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 604445.8771,
                "count": 4858710,
                "maximum": 604999.7263,
                "minimum": 603999.7063,
                "name": "X",
                "position": 0,
                "stddev": 299.1619204,
                "variance": 89497.85461
              },
              {
                "average": 2357417.081,
                "count": 4858710,
                "maximum": 2357976.871,
                "minimum": 2356998.451,
                "name": "Y",
                "position": 1,
                "stddev": 213.038873,
                "variance": 45385.56143
              },
              {
                "average": 4.21131691,
                "count": 4858710,
                "maximum": 23.5850136,
                "minimum": -2.174986395,
                "name": "Z",
                "position": 2,
                "stddev": 3.617270465,
                "variance": 13.08464562
              },
              {
                "average": 20.77445845,
                "count": 4858710,
                "maximum": 1788,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.57794341,
                "variance": 1265.790057
              },
              {
                "average": 1.551148144,
                "count": 4858710,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9174994243,
                "variance": 0.8418051935
              },
              {
                "average": 2.051040503,
                "count": 4858710,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.312147281,
                "variance": 1.721730487
              },
              {
                "average": 1,
                "count": 4858710,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4858710,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.71077817,
                "count": 4858710,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.876009416,
                "variance": 62.03152431
              },
              {
                "average": 0,
                "count": 4858710,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.32477118,
                "count": 4858710,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.9593486,
                "variance": 4483.554365
              },
              {
                "average": 4.396032692,
                "count": 4858710,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.166900462,
                "variance": 10.02925854
              },
              {
                "average": 63309975.36,
                "count": 4858710,
                "maximum": 63360468.31,
                "minimum": 63276132.87,
                "name": "GpsTime",
                "position": 12,
                "stddev": 36361.89158,
                "variance": 1322187159
              },
              {
                "average": 0,
                "count": 4858710,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4858710,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4858710,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4858710,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4858710,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              603999.7063,
              2356998.451,
              -2.174986395,
              604999.7263,
              2357976.871,
              23.5850136
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    603999.7063152357,
                    2356998.4507167935,
                    -2.174986395171896
                  ],
                  [
                    603999.7063152357,
                    2357976.8707167935,
                    -2.174986395171896
                  ],
                  [
                    604999.7263152357,
                    2357976.8707167935,
                    23.585013604828106
                  ],
                  [
                    604999.7263152357,
                    2356998.4507167935,
                    23.585013604828106
                  ],
                  [
                    603999.7063152357,
                    2356998.4507167935,
                    -2.174986395171896
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:54:28+00:00",
            "end_time": "2013-09-15T10:28:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8865.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1510967744259,
              21.38502833963464,
              -3.174858584266852
            ],
            [
              -158.1510446493926,
              21.394062580101483,
              -3.174858584266852
            ],
            [
              -158.14357869466124,
              21.394024609428886,
              27.205141415733145
            ],
            [
              -158.14363127696498,
              21.38499038687883,
              27.205141415733145
            ],
            [
              -158.1510967744259,
              21.38502833963464,
              -3.174858584266852
            ]
          ]
        ]
      },
      "bbox": [
        -158.1510968,
        21.38499039,
        -3.174858584,
        -158.1435787,
        21.39406258,
        27.20514142
      ],
      "properties": {
        "datetime": "2013-09-10T23:28:20Z",
        "pc:count": 4973307,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588255.524,
            "count": 4973307,
            "maximum": 588773.615,
            "minimum": 587999.655,
            "name": "X",
            "position": 0,
            "stddev": 178.1038006,
            "variance": 31720.9638
          },
          {
            "average": 2365337.022,
            "count": 4973307,
            "maximum": 2365998.462,
            "minimum": 2364998.462,
            "name": "Y",
            "position": 1,
            "stddev": 244.4876925,
            "variance": 59774.23177
          },
          {
            "average": 7.963652523,
            "count": 4973307,
            "maximum": 27.20514142,
            "minimum": -3.174858584,
            "name": "Z",
            "position": 2,
            "stddev": 4.166239368,
            "variance": 17.35755047
          },
          {
            "average": 32.36042617,
            "count": 4973307,
            "maximum": 1453,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 60.94238741,
            "variance": 3713.974583
          },
          {
            "average": 1.429892826,
            "count": 4973307,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8324681248,
            "variance": 0.6930031788
          },
          {
            "average": 1.860275064,
            "count": 4973307,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.253985535,
            "variance": 1.572479723
          },
          {
            "average": 1,
            "count": 4973307,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4973307,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.325406415,
            "count": 4973307,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.111014757,
            "variance": 4.456383305
          },
          {
            "average": 20.12425957,
            "count": 4973307,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.95080536,
            "variance": 8.707252272
          },
          {
            "average": 91.22237899,
            "count": 4973307,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.64237994,
            "variance": 4308.922045
          },
          {
            "average": 1.678775712,
            "count": 4973307,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7907095252,
            "variance": 0.6252215533
          },
          {
            "average": 62797180.39,
            "count": 4973307,
            "maximum": 62890900.52,
            "minimum": 62715603.45,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86460.8464,
            "variance": 7475477960
          },
          {
            "average": 0,
            "count": 4973307,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4973307,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4973307,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4973307,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4973307,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          587999.655,
          2364998.462,
          -3.174858584,
          588773.615,
          2365998.462,
          27.20514142
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                587999.6550315183,
                2364998.462267506,
                -3.174858584266852
              ],
              [
                587999.6550315183,
                2365998.462267506,
                -3.174858584266852
              ],
              [
                588773.6150315183,
                2365998.462267506,
                27.205141415733145
              ],
              [
                588773.6150315183,
                2364998.462267506,
                27.205141415733145
              ],
              [
                587999.6550315183,
                2364998.462267506,
                -3.174858584266852
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:28:20+00:00",
        "end_time": "2013-09-08T22:46:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8865.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8865.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8865.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8865.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1510968,
            21.38499039,
            -3.174858584,
            -158.1435787,
            21.39406258,
            27.20514142
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1510967744259,
                  21.38502833963464,
                  -3.174858584266852
                ],
                [
                  -158.1510446493926,
                  21.394062580101483,
                  -3.174858584266852
                ],
                [
                  -158.14357869466124,
                  21.394024609428886,
                  27.205141415733145
                ],
                [
                  -158.14363127696498,
                  21.38499038687883,
                  27.205141415733145
                ],
                [
                  -158.1510967744259,
                  21.38502833963464,
                  -3.174858584266852
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8865.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8865.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:28:20Z",
            "pc:count": 4973307,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588255.524,
                "count": 4973307,
                "maximum": 588773.615,
                "minimum": 587999.655,
                "name": "X",
                "position": 0,
                "stddev": 178.1038006,
                "variance": 31720.9638
              },
              {
                "average": 2365337.022,
                "count": 4973307,
                "maximum": 2365998.462,
                "minimum": 2364998.462,
                "name": "Y",
                "position": 1,
                "stddev": 244.4876925,
                "variance": 59774.23177
              },
              {
                "average": 7.963652523,
                "count": 4973307,
                "maximum": 27.20514142,
                "minimum": -3.174858584,
                "name": "Z",
                "position": 2,
                "stddev": 4.166239368,
                "variance": 17.35755047
              },
              {
                "average": 32.36042617,
                "count": 4973307,
                "maximum": 1453,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 60.94238741,
                "variance": 3713.974583
              },
              {
                "average": 1.429892826,
                "count": 4973307,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8324681248,
                "variance": 0.6930031788
              },
              {
                "average": 1.860275064,
                "count": 4973307,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.253985535,
                "variance": 1.572479723
              },
              {
                "average": 1,
                "count": 4973307,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4973307,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.325406415,
                "count": 4973307,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.111014757,
                "variance": 4.456383305
              },
              {
                "average": 20.12425957,
                "count": 4973307,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.95080536,
                "variance": 8.707252272
              },
              {
                "average": 91.22237899,
                "count": 4973307,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.64237994,
                "variance": 4308.922045
              },
              {
                "average": 1.678775712,
                "count": 4973307,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7907095252,
                "variance": 0.6252215533
              },
              {
                "average": 62797180.39,
                "count": 4973307,
                "maximum": 62890900.52,
                "minimum": 62715603.45,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86460.8464,
                "variance": 7475477960
              },
              {
                "average": 0,
                "count": 4973307,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4973307,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4973307,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4973307,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4973307,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              587999.655,
              2364998.462,
              -3.174858584,
              588773.615,
              2365998.462,
              27.20514142
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    587999.6550315183,
                    2364998.462267506,
                    -3.174858584266852
                  ],
                  [
                    587999.6550315183,
                    2365998.462267506,
                    -3.174858584266852
                  ],
                  [
                    588773.6150315183,
                    2365998.462267506,
                    27.205141415733145
                  ],
                  [
                    588773.6150315183,
                    2364998.462267506,
                    27.205141415733145
                  ],
                  [
                    587999.6550315183,
                    2364998.462267506,
                    -3.174858584266852
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:28:20+00:00",
            "end_time": "2013-09-08T22:46:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0154.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.02635726638667,
              21.285159525152757,
              -48.98581998883458
            ],
            [
              -158.0262990166123,
              21.294007083123933,
              -48.98581998883458
            ],
            [
              -158.01665943771775,
              21.29395104543476,
              -9.485819988834582
            ],
            [
              -158.0167182656157,
              21.285103512984524,
              -9.485819988834582
            ],
            [
              -158.02635726638667,
              21.285159525152757,
              -48.98581998883458
            ]
          ]
        ]
      },
      "bbox": [
        -158.0263573,
        21.28510351,
        -48.98581999,
        -158.0166594,
        21.29400708,
        -9.485819989
      ],
      "properties": {
        "datetime": "2013-09-17T12:18:07Z",
        "pc:count": 1485426,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 601408.3505,
            "count": 1485426,
            "maximum": 601999.7042,
            "minimum": 600999.7042,
            "name": "X",
            "position": 0,
            "stddev": 273.2410581,
            "variance": 74660.67585
          },
          {
            "average": 2354747.185,
            "count": 1485426,
            "maximum": 2354998.452,
            "minimum": 2354019.092,
            "name": "Y",
            "position": 1,
            "stddev": 204.8578741,
            "variance": 41966.74858
          },
          {
            "average": -16.69224319,
            "count": 1485426,
            "maximum": -9.485819989,
            "minimum": -48.98581999,
            "name": "Z",
            "position": 2,
            "stddev": 6.711578467,
            "variance": 45.04528552
          },
          {
            "average": 176.2428825,
            "count": 1485426,
            "maximum": 1601,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 245.5692589,
            "variance": 60304.26093
          },
          {
            "average": 1.000950569,
            "count": 1485426,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03088212053,
            "variance": 0.0009537053681
          },
          {
            "average": 1.001052897,
            "count": 1485426,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03255560202,
            "variance": 0.001059867223
          },
          {
            "average": 1,
            "count": 1485426,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1485426,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1485426,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1485426,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 157.2769737,
            "count": 1485426,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 92.54020548,
            "variance": 8563.689631
          },
          {
            "average": 5.345760745,
            "count": 1485426,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.666412839,
            "variance": 21.77540878
          },
          {
            "average": 63349743.43,
            "count": 1485426,
            "maximum": 63455487.42,
            "minimum": 63275657.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 71714.86738,
            "variance": 5143022203
          },
          {
            "average": 0,
            "count": 1485426,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1485426,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1485426,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1485426,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1485426,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          600999.7042,
          2354019.092,
          -48.98581999,
          601999.7042,
          2354998.452,
          -9.485819989
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                600999.7042304623,
                2354019.0924018794,
                -48.98581998883458
              ],
              [
                600999.7042304623,
                2354998.4524018797,
                -48.98581998883458
              ],
              [
                601999.7042304623,
                2354998.4524018797,
                -9.485819988834582
              ],
              [
                601999.7042304623,
                2354019.0924018794,
                -9.485819988834582
              ],
              [
                600999.7042304623,
                2354019.0924018794,
                -48.98581998883458
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:18:07+00:00",
        "end_time": "2013-09-15T10:20:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0154.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0154.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0154.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0154.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0263573,
            21.28510351,
            -48.98581999,
            -158.0166594,
            21.29400708,
            -9.485819989
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.02635726638667,
                  21.285159525152757,
                  -48.98581998883458
                ],
                [
                  -158.0262990166123,
                  21.294007083123933,
                  -48.98581998883458
                ],
                [
                  -158.01665943771775,
                  21.29395104543476,
                  -9.485819988834582
                ],
                [
                  -158.0167182656157,
                  21.285103512984524,
                  -9.485819988834582
                ],
                [
                  -158.02635726638667,
                  21.285159525152757,
                  -48.98581998883458
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0154.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0154.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:18:07Z",
            "pc:count": 1485426,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 601408.3505,
                "count": 1485426,
                "maximum": 601999.7042,
                "minimum": 600999.7042,
                "name": "X",
                "position": 0,
                "stddev": 273.2410581,
                "variance": 74660.67585
              },
              {
                "average": 2354747.185,
                "count": 1485426,
                "maximum": 2354998.452,
                "minimum": 2354019.092,
                "name": "Y",
                "position": 1,
                "stddev": 204.8578741,
                "variance": 41966.74858
              },
              {
                "average": -16.69224319,
                "count": 1485426,
                "maximum": -9.485819989,
                "minimum": -48.98581999,
                "name": "Z",
                "position": 2,
                "stddev": 6.711578467,
                "variance": 45.04528552
              },
              {
                "average": 176.2428825,
                "count": 1485426,
                "maximum": 1601,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 245.5692589,
                "variance": 60304.26093
              },
              {
                "average": 1.000950569,
                "count": 1485426,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03088212053,
                "variance": 0.0009537053681
              },
              {
                "average": 1.001052897,
                "count": 1485426,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03255560202,
                "variance": 0.001059867223
              },
              {
                "average": 1,
                "count": 1485426,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1485426,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1485426,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1485426,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 157.2769737,
                "count": 1485426,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 92.54020548,
                "variance": 8563.689631
              },
              {
                "average": 5.345760745,
                "count": 1485426,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.666412839,
                "variance": 21.77540878
              },
              {
                "average": 63349743.43,
                "count": 1485426,
                "maximum": 63455487.42,
                "minimum": 63275657.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 71714.86738,
                "variance": 5143022203
              },
              {
                "average": 0,
                "count": 1485426,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1485426,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1485426,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1485426,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1485426,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              600999.7042,
              2354019.092,
              -48.98581999,
              601999.7042,
              2354998.452,
              -9.485819989
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    600999.7042304623,
                    2354019.0924018794,
                    -48.98581998883458
                  ],
                  [
                    600999.7042304623,
                    2354998.4524018797,
                    -48.98581998883458
                  ],
                  [
                    601999.7042304623,
                    2354998.4524018797,
                    -9.485819988834582
                  ],
                  [
                    601999.7042304623,
                    2354019.0924018794,
                    -9.485819988834582
                  ],
                  [
                    600999.7042304623,
                    2354019.0924018794,
                    -48.98581998883458
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:18:07+00:00",
            "end_time": "2013-09-15T10:20:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0458.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9896072126078,
              21.321019991454843,
              2.032266633610549
            ],
            [
              -157.98956083595726,
              21.327794138160588,
              2.032266633610549
            ],
            [
              -157.98750773897794,
              21.327781788146602,
              20.072266633610546
            ],
            [
              -157.9875542111304,
              21.321007645372706,
              20.072266633610546
            ],
            [
              -157.9896072126078,
              21.321019991454843,
              2.032266633610549
            ]
          ]
        ]
      },
      "bbox": [
        -157.9896072,
        21.32100765,
        2.032266634,
        -157.9875077,
        21.32779414,
        20.07226663
      ],
      "properties": {
        "datetime": "2013-09-15T10:13:29Z",
        "pc:count": 457522,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 604935.3075,
            "count": 457522,
            "maximum": 604999.7239,
            "minimum": 604786.7839,
            "name": "X",
            "position": 0,
            "stddev": 47.18966652,
            "variance": 2226.864626
          },
          {
            "average": 2358279.518,
            "count": 457522,
            "maximum": 2358762.295,
            "minimum": 2358012.435,
            "name": "Y",
            "position": 1,
            "stddev": 201.7440426,
            "variance": 40700.65872
          },
          {
            "average": 7.015537515,
            "count": 457522,
            "maximum": 20.07226663,
            "minimum": 2.032266634,
            "name": "Z",
            "position": 2,
            "stddev": 3.602462178,
            "variance": 12.97773374
          },
          {
            "average": 7.096891516,
            "count": 457522,
            "maximum": 404,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 13.24741125,
            "variance": 175.4939048
          },
          {
            "average": 1.944472616,
            "count": 457522,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.052093497,
            "variance": 1.106900725
          },
          {
            "average": 2.815580453,
            "count": 457522,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.302193027,
            "variance": 1.695706681
          },
          {
            "average": 1,
            "count": 457522,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 457522,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.23660283,
            "count": 457522,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4249968537,
            "variance": 0.1806223256
          },
          {
            "average": 0,
            "count": 457522,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.18594079,
            "count": 457522,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.10003445,
            "variance": 4637.614692
          },
          {
            "average": 3.705587928,
            "count": 457522,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.181814261,
            "variance": 1.396684948
          },
          {
            "average": 63274600.3,
            "count": 457522,
            "maximum": 63275209.02,
            "minimum": 63273412.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 540.2844358,
            "variance": 291907.2716
          },
          {
            "average": 0,
            "count": 457522,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 457522,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 457522,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 457522,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 457522,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          604786.7839,
          2358012.435,
          2.032266634,
          604999.7239,
          2358762.295,
          20.07226663
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                604786.7838668786,
                2358012.4348082817,
                2.032266633610549
              ],
              [
                604786.7838668786,
                2358762.294808282,
                2.032266633610549
              ],
              [
                604999.7238668785,
                2358762.294808282,
                20.072266633610546
              ],
              [
                604999.7238668785,
                2358012.4348082817,
                20.072266633610546
              ],
              [
                604786.7838668786,
                2358012.4348082817,
                2.032266633610549
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:13:29+00:00",
        "end_time": "2013-09-15T09:43:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0458.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0458.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0458.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0458.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9896072,
            21.32100765,
            2.032266634,
            -157.9875077,
            21.32779414,
            20.07226663
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9896072126078,
                  21.321019991454843,
                  2.032266633610549
                ],
                [
                  -157.98956083595726,
                  21.327794138160588,
                  2.032266633610549
                ],
                [
                  -157.98750773897794,
                  21.327781788146602,
                  20.072266633610546
                ],
                [
                  -157.9875542111304,
                  21.321007645372706,
                  20.072266633610546
                ],
                [
                  -157.9896072126078,
                  21.321019991454843,
                  2.032266633610549
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0458.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0458.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:13:29Z",
            "pc:count": 457522,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 604935.3075,
                "count": 457522,
                "maximum": 604999.7239,
                "minimum": 604786.7839,
                "name": "X",
                "position": 0,
                "stddev": 47.18966652,
                "variance": 2226.864626
              },
              {
                "average": 2358279.518,
                "count": 457522,
                "maximum": 2358762.295,
                "minimum": 2358012.435,
                "name": "Y",
                "position": 1,
                "stddev": 201.7440426,
                "variance": 40700.65872
              },
              {
                "average": 7.015537515,
                "count": 457522,
                "maximum": 20.07226663,
                "minimum": 2.032266634,
                "name": "Z",
                "position": 2,
                "stddev": 3.602462178,
                "variance": 12.97773374
              },
              {
                "average": 7.096891516,
                "count": 457522,
                "maximum": 404,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 13.24741125,
                "variance": 175.4939048
              },
              {
                "average": 1.944472616,
                "count": 457522,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.052093497,
                "variance": 1.106900725
              },
              {
                "average": 2.815580453,
                "count": 457522,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.302193027,
                "variance": 1.695706681
              },
              {
                "average": 1,
                "count": 457522,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 457522,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.23660283,
                "count": 457522,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4249968537,
                "variance": 0.1806223256
              },
              {
                "average": 0,
                "count": 457522,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.18594079,
                "count": 457522,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.10003445,
                "variance": 4637.614692
              },
              {
                "average": 3.705587928,
                "count": 457522,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.181814261,
                "variance": 1.396684948
              },
              {
                "average": 63274600.3,
                "count": 457522,
                "maximum": 63275209.02,
                "minimum": 63273412.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 540.2844358,
                "variance": 291907.2716
              },
              {
                "average": 0,
                "count": 457522,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 457522,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 457522,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 457522,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 457522,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              604786.7839,
              2358012.435,
              2.032266634,
              604999.7239,
              2358762.295,
              20.07226663
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    604786.7838668786,
                    2358012.4348082817,
                    2.032266633610549
                  ],
                  [
                    604786.7838668786,
                    2358762.294808282,
                    2.032266633610549
                  ],
                  [
                    604999.7238668785,
                    2358762.294808282,
                    20.072266633610546
                  ],
                  [
                    604999.7238668785,
                    2358012.4348082817,
                    20.072266633610546
                  ],
                  [
                    604786.7838668786,
                    2358012.4348082817,
                    2.032266633610549
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:13:29+00:00",
            "end_time": "2013-09-15T09:43:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9388.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.10159345503274,
              21.592559864894053,
              -1.805917865380763
            ],
            [
              -158.10153770027554,
              21.6015937576927,
              -1.805917865380763
            ],
            [
              -158.09314410999355,
              21.601548226511515,
              33.414082134619235
            ],
            [
              -158.09320038577158,
              21.592514354384566,
              33.414082134619235
            ],
            [
              -158.10159345503274,
              21.592559864894053,
              -1.805917865380763
            ]
          ]
        ]
      },
      "bbox": [
        -158.1015935,
        21.59251435,
        -1.805917865,
        -158.0931441,
        21.60159376,
        33.41408213
      ],
      "properties": {
        "datetime": "2013-09-22T23:58:54Z",
        "pc:count": 11120647,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593298.4763,
            "count": 11120647,
            "maximum": 593868.5367,
            "minimum": 592999.6367,
            "name": "X",
            "position": 0,
            "stddev": 216.9923761,
            "variance": 47085.6913
          },
          {
            "average": 2388663.761,
            "count": 11120647,
            "maximum": 2388998.48,
            "minimum": 2387998.48,
            "name": "Y",
            "position": 1,
            "stddev": 211.352878,
            "variance": 44670.03905
          },
          {
            "average": 8.521722749,
            "count": 11120647,
            "maximum": 33.41408213,
            "minimum": -1.805917865,
            "name": "Z",
            "position": 2,
            "stddev": 5.059128047,
            "variance": 25.59477659
          },
          {
            "average": 7.561973687,
            "count": 11120647,
            "maximum": 944,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 13.08473375,
            "variance": 171.2102574
          },
          {
            "average": 2.091737198,
            "count": 11120647,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.195349493,
            "variance": 1.428860412
          },
          {
            "average": 3.18393723,
            "count": 11120647,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.576981587,
            "variance": 2.486870926
          },
          {
            "average": 1,
            "count": 11120647,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11120647,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.077672369,
            "count": 11120647,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.5912836845,
            "variance": 0.3496163955
          },
          {
            "average": 20.16384093,
            "count": 11120647,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.970801505,
            "variance": 15.76726459
          },
          {
            "average": 91.35206684,
            "count": 11120647,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.26427774,
            "variance": 4524.48306
          },
          {
            "average": 4.147380274,
            "count": 11120647,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.522855407,
            "variance": 6.364799404
          },
          {
            "average": 63298863.6,
            "count": 11120647,
            "maximum": 63929534.67,
            "minimum": 62874449.28,
            "name": "GpsTime",
            "position": 12,
            "stddev": 374563.5878,
            "variance": 140297881300.0
          },
          {
            "average": 0,
            "count": 11120647,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11120647,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11120647,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11120647,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11120647,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592999.6367,
          2387998.48,
          -1.805917865,
          593868.5367,
          2388998.48,
          33.41408213
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592999.6367124848,
                2387998.480082248,
                -1.805917865380763
              ],
              [
                592999.6367124848,
                2388998.480082248,
                -1.805917865380763
              ],
              [
                593868.5367124847,
                2388998.480082248,
                33.414082134619235
              ],
              [
                593868.5367124847,
                2387998.480082248,
                33.414082134619235
              ],
              [
                592999.6367124848,
                2387998.480082248,
                -1.805917865380763
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:58:54+00:00",
        "end_time": "2013-09-10T18:54:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9388.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9388.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9388.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9388.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1015935,
            21.59251435,
            -1.805917865,
            -158.0931441,
            21.60159376,
            33.41408213
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.10159345503274,
                  21.592559864894053,
                  -1.805917865380763
                ],
                [
                  -158.10153770027554,
                  21.6015937576927,
                  -1.805917865380763
                ],
                [
                  -158.09314410999355,
                  21.601548226511515,
                  33.414082134619235
                ],
                [
                  -158.09320038577158,
                  21.592514354384566,
                  33.414082134619235
                ],
                [
                  -158.10159345503274,
                  21.592559864894053,
                  -1.805917865380763
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9388.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9388.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:58:54Z",
            "pc:count": 11120647,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593298.4763,
                "count": 11120647,
                "maximum": 593868.5367,
                "minimum": 592999.6367,
                "name": "X",
                "position": 0,
                "stddev": 216.9923761,
                "variance": 47085.6913
              },
              {
                "average": 2388663.761,
                "count": 11120647,
                "maximum": 2388998.48,
                "minimum": 2387998.48,
                "name": "Y",
                "position": 1,
                "stddev": 211.352878,
                "variance": 44670.03905
              },
              {
                "average": 8.521722749,
                "count": 11120647,
                "maximum": 33.41408213,
                "minimum": -1.805917865,
                "name": "Z",
                "position": 2,
                "stddev": 5.059128047,
                "variance": 25.59477659
              },
              {
                "average": 7.561973687,
                "count": 11120647,
                "maximum": 944,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 13.08473375,
                "variance": 171.2102574
              },
              {
                "average": 2.091737198,
                "count": 11120647,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.195349493,
                "variance": 1.428860412
              },
              {
                "average": 3.18393723,
                "count": 11120647,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.576981587,
                "variance": 2.486870926
              },
              {
                "average": 1,
                "count": 11120647,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11120647,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.077672369,
                "count": 11120647,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.5912836845,
                "variance": 0.3496163955
              },
              {
                "average": 20.16384093,
                "count": 11120647,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.970801505,
                "variance": 15.76726459
              },
              {
                "average": 91.35206684,
                "count": 11120647,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.26427774,
                "variance": 4524.48306
              },
              {
                "average": 4.147380274,
                "count": 11120647,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.522855407,
                "variance": 6.364799404
              },
              {
                "average": 63298863.6,
                "count": 11120647,
                "maximum": 63929534.67,
                "minimum": 62874449.28,
                "name": "GpsTime",
                "position": 12,
                "stddev": 374563.5878,
                "variance": 140297881300.0
              },
              {
                "average": 0,
                "count": 11120647,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11120647,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11120647,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11120647,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11120647,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592999.6367,
              2387998.48,
              -1.805917865,
              593868.5367,
              2388998.48,
              33.41408213
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592999.6367124848,
                    2387998.480082248,
                    -1.805917865380763
                  ],
                  [
                    592999.6367124848,
                    2388998.480082248,
                    -1.805917865380763
                  ],
                  [
                    593868.5367124847,
                    2388998.480082248,
                    33.414082134619235
                  ],
                  [
                    593868.5367124847,
                    2387998.480082248,
                    33.414082134619235
                  ],
                  [
                    592999.6367124848,
                    2387998.480082248,
                    -1.805917865380763
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:58:54+00:00",
            "end_time": "2013-09-10T18:54:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9593.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.08198959228602,
              21.637623614256647,
              -40.365846871650945
            ],
            [
              -158.08193250326391,
              21.6466574050521,
              -40.365846871650945
            ],
            [
              -158.0722695545064,
              21.64660372142693,
              -7.505846871650942
            ],
            [
              -158.07232724721726,
              21.637569954345814,
              -7.505846871650942
            ],
            [
              -158.08198959228602,
              21.637623614256647,
              -40.365846871650945
            ]
          ]
        ]
      },
      "bbox": [
        -158.0819896,
        21.63756995,
        -40.36584687,
        -158.0722696,
        21.64665741,
        -7.505846872
      ],
      "properties": {
        "datetime": "2013-09-22T23:53:13Z",
        "pc:count": 1419177,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 595612.9993,
            "count": 1419177,
            "maximum": 595999.643,
            "minimum": 594999.643,
            "name": "X",
            "position": 0,
            "stddev": 273.045832,
            "variance": 74554.02638
          },
          {
            "average": 2393412.436,
            "count": 1419177,
            "maximum": 2393998.484,
            "minimum": 2392998.484,
            "name": "Y",
            "position": 1,
            "stddev": 285.7346527,
            "variance": 81644.29173
          },
          {
            "average": -23.66471472,
            "count": 1419177,
            "maximum": -7.505846872,
            "minimum": -40.36584687,
            "name": "Z",
            "position": 2,
            "stddev": 5.461764269,
            "variance": 29.83086893
          },
          {
            "average": 468.826689,
            "count": 1419177,
            "maximum": 7236,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 329.4321613,
            "variance": 108525.5489
          },
          {
            "average": 1.014392849,
            "count": 1419177,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.119210199,
            "variance": 0.01421107154
          },
          {
            "average": 1.014876932,
            "count": 1419177,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1212000076,
            "variance": 0.01468944185
          },
          {
            "average": 1,
            "count": 1419177,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1419177,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1419177,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.494556692,
            "count": 1419177,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.755385581,
            "variance": 95.16754783
          },
          {
            "average": 233.0586988,
            "count": 1419177,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 50.90270864,
            "variance": 2591.085747
          },
          {
            "average": 2.781927836,
            "count": 1419177,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.61120077,
            "variance": 2.595967922
          },
          {
            "average": 63288028.76,
            "count": 1419177,
            "maximum": 63929193.16,
            "minimum": 62799548.17,
            "name": "GpsTime",
            "position": 12,
            "stddev": 507671.3922,
            "variance": 257730242400.0
          },
          {
            "average": 0,
            "count": 1419177,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1419177,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1419177,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1419177,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1419177,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594999.643,
          2392998.484,
          -40.36584687,
          595999.643,
          2393998.484,
          -7.505846872
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594999.6429584039,
                2392998.4837006023,
                -40.365846871650945
              ],
              [
                594999.6429584039,
                2393998.4837006023,
                -40.365846871650945
              ],
              [
                595999.6429584039,
                2393998.4837006023,
                -7.505846871650942
              ],
              [
                595999.6429584039,
                2392998.4837006023,
                -7.505846871650942
              ],
              [
                594999.6429584039,
                2392998.4837006023,
                -40.365846871650945
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:53:13+00:00",
        "end_time": "2013-09-09T22:05:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9593.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9593.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9593.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9593.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0819896,
            21.63756995,
            -40.36584687,
            -158.0722696,
            21.64665741,
            -7.505846872
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.08198959228602,
                  21.637623614256647,
                  -40.365846871650945
                ],
                [
                  -158.08193250326391,
                  21.6466574050521,
                  -40.365846871650945
                ],
                [
                  -158.0722695545064,
                  21.64660372142693,
                  -7.505846871650942
                ],
                [
                  -158.07232724721726,
                  21.637569954345814,
                  -7.505846871650942
                ],
                [
                  -158.08198959228602,
                  21.637623614256647,
                  -40.365846871650945
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9593.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9593.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:53:13Z",
            "pc:count": 1419177,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 595612.9993,
                "count": 1419177,
                "maximum": 595999.643,
                "minimum": 594999.643,
                "name": "X",
                "position": 0,
                "stddev": 273.045832,
                "variance": 74554.02638
              },
              {
                "average": 2393412.436,
                "count": 1419177,
                "maximum": 2393998.484,
                "minimum": 2392998.484,
                "name": "Y",
                "position": 1,
                "stddev": 285.7346527,
                "variance": 81644.29173
              },
              {
                "average": -23.66471472,
                "count": 1419177,
                "maximum": -7.505846872,
                "minimum": -40.36584687,
                "name": "Z",
                "position": 2,
                "stddev": 5.461764269,
                "variance": 29.83086893
              },
              {
                "average": 468.826689,
                "count": 1419177,
                "maximum": 7236,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 329.4321613,
                "variance": 108525.5489
              },
              {
                "average": 1.014392849,
                "count": 1419177,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.119210199,
                "variance": 0.01421107154
              },
              {
                "average": 1.014876932,
                "count": 1419177,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1212000076,
                "variance": 0.01468944185
              },
              {
                "average": 1,
                "count": 1419177,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1419177,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1419177,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.494556692,
                "count": 1419177,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.755385581,
                "variance": 95.16754783
              },
              {
                "average": 233.0586988,
                "count": 1419177,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 50.90270864,
                "variance": 2591.085747
              },
              {
                "average": 2.781927836,
                "count": 1419177,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.61120077,
                "variance": 2.595967922
              },
              {
                "average": 63288028.76,
                "count": 1419177,
                "maximum": 63929193.16,
                "minimum": 62799548.17,
                "name": "GpsTime",
                "position": 12,
                "stddev": 507671.3922,
                "variance": 257730242400.0
              },
              {
                "average": 0,
                "count": 1419177,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1419177,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1419177,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1419177,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1419177,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594999.643,
              2392998.484,
              -40.36584687,
              595999.643,
              2393998.484,
              -7.505846872
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594999.6429584039,
                    2392998.4837006023,
                    -40.365846871650945
                  ],
                  [
                    594999.6429584039,
                    2393998.4837006023,
                    -40.365846871650945
                  ],
                  [
                    595999.6429584039,
                    2393998.4837006023,
                    -7.505846871650942
                  ],
                  [
                    595999.6429584039,
                    2392998.4837006023,
                    -7.505846871650942
                  ],
                  [
                    594999.6429584039,
                    2392998.4837006023,
                    -40.365846871650945
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:53:13+00:00",
            "end_time": "2013-09-09T22:05:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8372.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.19898175492355,
              21.448505786598826,
              -4.916277447766817
            ],
            [
              -158.19893242160262,
              21.457540061445595,
              -4.916277447766817
            ],
            [
              -158.1892815028459,
              21.45749356752376,
              26.283722552233183
            ],
            [
              -158.18933143206775,
              21.448459313187094,
              26.283722552233183
            ],
            [
              -158.19898175492355,
              21.448505786598826,
              -4.916277447766817
            ]
          ]
        ]
      },
      "bbox": [
        -158.1989818,
        21.44845931,
        -4.916277448,
        -158.1892815,
        21.45754006,
        26.28372255
      ],
      "properties": {
        "datetime": "2013-09-10T23:38:53Z",
        "pc:count": 11992730,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583385.02,
            "count": 11992730,
            "maximum": 583999.6496,
            "minimum": 582999.6296,
            "name": "X",
            "position": 0,
            "stddev": 237.3269347,
            "variance": 56324.07395
          },
          {
            "average": 2372446.678,
            "count": 11992730,
            "maximum": 2372998.454,
            "minimum": 2371998.454,
            "name": "Y",
            "position": 1,
            "stddev": 261.7969323,
            "variance": 68537.63375
          },
          {
            "average": 6.620583449,
            "count": 11992730,
            "maximum": 26.28372255,
            "minimum": -4.916277448,
            "name": "Z",
            "position": 2,
            "stddev": 3.988420802,
            "variance": 15.90750049
          },
          {
            "average": 21.67685356,
            "count": 11992730,
            "maximum": 4804,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.72286566,
            "variance": 2373.917638
          },
          {
            "average": 1.752102732,
            "count": 11992730,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.09981855,
            "variance": 1.209600842
          },
          {
            "average": 2.504789568,
            "count": 11992730,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.615512763,
            "variance": 2.609881486
          },
          {
            "average": 1,
            "count": 11992730,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11992730,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.661516852,
            "count": 11992730,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.849220469,
            "variance": 14.81649822
          },
          {
            "average": 20.09521157,
            "count": 11992730,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.084869574,
            "variance": 9.51642029
          },
          {
            "average": 91.46559541,
            "count": 11992730,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.68214926,
            "variance": 4446.50903
          },
          {
            "average": 2.547793872,
            "count": 11992730,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.172178045,
            "variance": 1.374001368
          },
          {
            "average": 62796340.33,
            "count": 11992730,
            "maximum": 62891533.51,
            "minimum": 62715478.63,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86243.75356,
            "variance": 7437985029
          },
          {
            "average": 0,
            "count": 11992730,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11992730,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11992730,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11992730,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11992730,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582999.6296,
          2371998.454,
          -4.916277448,
          583999.6496,
          2372998.454,
          26.28372255
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582999.6295561215,
                2371998.4544321583,
                -4.916277447766817
              ],
              [
                582999.6295561215,
                2372998.4544321583,
                -4.916277447766817
              ],
              [
                583999.6495561216,
                2372998.4544321583,
                26.283722552233183
              ],
              [
                583999.6495561216,
                2371998.4544321583,
                26.283722552233183
              ],
              [
                582999.6295561215,
                2371998.4544321583,
                -4.916277447766817
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:38:53+00:00",
        "end_time": "2013-09-08T22:44:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8372.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8372.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8372.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8372.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1989818,
            21.44845931,
            -4.916277448,
            -158.1892815,
            21.45754006,
            26.28372255
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.19898175492355,
                  21.448505786598826,
                  -4.916277447766817
                ],
                [
                  -158.19893242160262,
                  21.457540061445595,
                  -4.916277447766817
                ],
                [
                  -158.1892815028459,
                  21.45749356752376,
                  26.283722552233183
                ],
                [
                  -158.18933143206775,
                  21.448459313187094,
                  26.283722552233183
                ],
                [
                  -158.19898175492355,
                  21.448505786598826,
                  -4.916277447766817
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8372.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8372.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:38:53Z",
            "pc:count": 11992730,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583385.02,
                "count": 11992730,
                "maximum": 583999.6496,
                "minimum": 582999.6296,
                "name": "X",
                "position": 0,
                "stddev": 237.3269347,
                "variance": 56324.07395
              },
              {
                "average": 2372446.678,
                "count": 11992730,
                "maximum": 2372998.454,
                "minimum": 2371998.454,
                "name": "Y",
                "position": 1,
                "stddev": 261.7969323,
                "variance": 68537.63375
              },
              {
                "average": 6.620583449,
                "count": 11992730,
                "maximum": 26.28372255,
                "minimum": -4.916277448,
                "name": "Z",
                "position": 2,
                "stddev": 3.988420802,
                "variance": 15.90750049
              },
              {
                "average": 21.67685356,
                "count": 11992730,
                "maximum": 4804,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.72286566,
                "variance": 2373.917638
              },
              {
                "average": 1.752102732,
                "count": 11992730,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.09981855,
                "variance": 1.209600842
              },
              {
                "average": 2.504789568,
                "count": 11992730,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.615512763,
                "variance": 2.609881486
              },
              {
                "average": 1,
                "count": 11992730,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11992730,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.661516852,
                "count": 11992730,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.849220469,
                "variance": 14.81649822
              },
              {
                "average": 20.09521157,
                "count": 11992730,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.084869574,
                "variance": 9.51642029
              },
              {
                "average": 91.46559541,
                "count": 11992730,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.68214926,
                "variance": 4446.50903
              },
              {
                "average": 2.547793872,
                "count": 11992730,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.172178045,
                "variance": 1.374001368
              },
              {
                "average": 62796340.33,
                "count": 11992730,
                "maximum": 62891533.51,
                "minimum": 62715478.63,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86243.75356,
                "variance": 7437985029
              },
              {
                "average": 0,
                "count": 11992730,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11992730,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11992730,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11992730,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11992730,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582999.6296,
              2371998.454,
              -4.916277448,
              583999.6496,
              2372998.454,
              26.28372255
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582999.6295561215,
                    2371998.4544321583,
                    -4.916277447766817
                  ],
                  [
                    582999.6295561215,
                    2372998.4544321583,
                    -4.916277447766817
                  ],
                  [
                    583999.6495561216,
                    2372998.4544321583,
                    26.283722552233183
                  ],
                  [
                    583999.6495561216,
                    2371998.4544321583,
                    26.283722552233183
                  ],
                  [
                    582999.6295561215,
                    2371998.4544321583,
                    -4.916277447766817
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:38:53+00:00",
            "end_time": "2013-09-08T22:44:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130922_ncmp_hi_oahu_4qfj0499.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.99461172809902,
              21.697356600378843,
              1.3174174209922
            ],
            [
              -157.9945909102466,
              21.700355360712376,
              1.3174174209922
            ],
            [
              -157.9868882420847,
              21.70030847017665,
              32.2374174209922
            ],
            [
              -157.98690921958197,
              21.69730971690781,
              32.2374174209922
            ],
            [
              -157.99461172809902,
              21.697356600378843,
              1.3174174209922
            ]
          ]
        ]
      },
      "bbox": [
        -157.9946117,
        21.69730972,
        1.317417421,
        -157.9868882,
        21.70035536,
        32.23741742
      ],
      "properties": {
        "datetime": "2013-09-23T00:46:29Z",
        "pc:count": 661524,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 604245.0648,
            "count": 661524,
            "maximum": 604796.5549,
            "minimum": 603999.6949,
            "name": "X",
            "position": 0,
            "stddev": 193.7902911,
            "variance": 37554.67693
          },
          {
            "average": 2399892.356,
            "count": 661524,
            "maximum": 2399998.503,
            "minimum": 2399666.543,
            "name": "Y",
            "position": 1,
            "stddev": 81.69111827,
            "variance": 6673.438804
          },
          {
            "average": 6.354171567,
            "count": 661524,
            "maximum": 32.23741742,
            "minimum": 1.317417421,
            "name": "Z",
            "position": 2,
            "stddev": 4.666784561,
            "variance": 21.77887814
          },
          {
            "average": 28.62760384,
            "count": 661524,
            "maximum": 906,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 34.10125625,
            "variance": 1162.895678
          },
          {
            "average": 1.440241019,
            "count": 661524,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8716836575,
            "variance": 0.7598323988
          },
          {
            "average": 1.879520622,
            "count": 661524,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.336152763,
            "variance": 1.785304205
          },
          {
            "average": 1,
            "count": 661524,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 661524,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.36453855,
            "count": 661524,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4813008891,
            "variance": 0.2316505458
          },
          {
            "average": 20.45186769,
            "count": 661524,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.804515717,
            "variance": 7.865308406
          },
          {
            "average": 91.77189792,
            "count": 661524,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.84438542,
            "variance": 4204.794321
          },
          {
            "average": 14.8177723,
            "count": 661524,
            "maximum": 15,
            "minimum": 14,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3860323736,
            "variance": 0.1490209935
          },
          {
            "average": 63932331.99,
            "count": 661524,
            "maximum": 63932389.61,
            "minimum": 63932098.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 108.7247232,
            "variance": 11821.06543
          },
          {
            "average": 0,
            "count": 661524,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 661524,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 661524,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 661524,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 661524,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          603999.6949,
          2399666.543,
          1.317417421,
          604796.5549,
          2399998.503,
          32.23741742
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                603999.6948525368,
                2399666.5433861776,
                1.3174174209922
              ],
              [
                603999.6948525368,
                2399998.5033861776,
                1.3174174209922
              ],
              [
                604796.5548525369,
                2399998.5033861776,
                32.2374174209922
              ],
              [
                604796.5548525369,
                2399666.5433861776,
                32.2374174209922
              ],
              [
                603999.6948525368,
                2399666.5433861776,
                1.3174174209922
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:46:29+00:00",
        "end_time": "2013-09-23T00:41:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130922_ncmp_hi_oahu_4qfj0499.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130922_ncmp_hi_oahu_4qfj0499.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130922_ncmp_hi_oahu_4qfj0499.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfj0499.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9946117,
            21.69730972,
            1.317417421,
            -157.9868882,
            21.70035536,
            32.23741742
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.99461172809902,
                  21.697356600378843,
                  1.3174174209922
                ],
                [
                  -157.9945909102466,
                  21.700355360712376,
                  1.3174174209922
                ],
                [
                  -157.9868882420847,
                  21.70030847017665,
                  32.2374174209922
                ],
                [
                  -157.98690921958197,
                  21.69730971690781,
                  32.2374174209922
                ],
                [
                  -157.99461172809902,
                  21.697356600378843,
                  1.3174174209922
                ]
              ]
            ]
          },
          "id": "20130922_ncmp_hi_oahu_4qfj0499.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfj0499.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:46:29Z",
            "pc:count": 661524,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 604245.0648,
                "count": 661524,
                "maximum": 604796.5549,
                "minimum": 603999.6949,
                "name": "X",
                "position": 0,
                "stddev": 193.7902911,
                "variance": 37554.67693
              },
              {
                "average": 2399892.356,
                "count": 661524,
                "maximum": 2399998.503,
                "minimum": 2399666.543,
                "name": "Y",
                "position": 1,
                "stddev": 81.69111827,
                "variance": 6673.438804
              },
              {
                "average": 6.354171567,
                "count": 661524,
                "maximum": 32.23741742,
                "minimum": 1.317417421,
                "name": "Z",
                "position": 2,
                "stddev": 4.666784561,
                "variance": 21.77887814
              },
              {
                "average": 28.62760384,
                "count": 661524,
                "maximum": 906,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 34.10125625,
                "variance": 1162.895678
              },
              {
                "average": 1.440241019,
                "count": 661524,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8716836575,
                "variance": 0.7598323988
              },
              {
                "average": 1.879520622,
                "count": 661524,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.336152763,
                "variance": 1.785304205
              },
              {
                "average": 1,
                "count": 661524,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 661524,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.36453855,
                "count": 661524,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4813008891,
                "variance": 0.2316505458
              },
              {
                "average": 20.45186769,
                "count": 661524,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.804515717,
                "variance": 7.865308406
              },
              {
                "average": 91.77189792,
                "count": 661524,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.84438542,
                "variance": 4204.794321
              },
              {
                "average": 14.8177723,
                "count": 661524,
                "maximum": 15,
                "minimum": 14,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3860323736,
                "variance": 0.1490209935
              },
              {
                "average": 63932331.99,
                "count": 661524,
                "maximum": 63932389.61,
                "minimum": 63932098.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 108.7247232,
                "variance": 11821.06543
              },
              {
                "average": 0,
                "count": 661524,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 661524,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 661524,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 661524,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 661524,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              603999.6949,
              2399666.543,
              1.317417421,
              604796.5549,
              2399998.503,
              32.23741742
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    603999.6948525368,
                    2399666.5433861776,
                    1.3174174209922
                  ],
                  [
                    603999.6948525368,
                    2399998.5033861776,
                    1.3174174209922
                  ],
                  [
                    604796.5548525369,
                    2399998.5033861776,
                    32.2374174209922
                  ],
                  [
                    604796.5548525369,
                    2399666.5433861776,
                    32.2374174209922
                  ],
                  [
                    603999.6948525368,
                    2399666.5433861776,
                    1.3174174209922
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:46:29+00:00",
            "end_time": "2013-09-23T00:41:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9254.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11311081787574,
              21.285452564756394,
              -28.060135532035122
            ],
            [
              -158.11305663159698,
              21.294486815930956,
              -28.060135532035122
            ],
            [
              -158.1034168034287,
              21.29443574033392,
              -0.16013553203512
            ],
            [
              -158.10347157792813,
              21.285401513439723,
              -0.16013553203512
            ],
            [
              -158.11311081787574,
              21.285452564756394,
              -28.060135532035122
            ]
          ]
        ]
      },
      "bbox": [
        -158.1131108,
        21.28540151,
        -28.06013553,
        -158.1034168,
        21.29448682,
        -0.160135532
      ],
      "properties": {
        "datetime": "2013-09-19T00:49:24Z",
        "pc:count": 10154309,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592520.5254,
            "count": 10154309,
            "maximum": 592999.6743,
            "minimum": 591999.6743,
            "name": "X",
            "position": 0,
            "stddev": 285.3316626,
            "variance": 81414.15767
          },
          {
            "average": 2354477.265,
            "count": 10154309,
            "maximum": 2354998.464,
            "minimum": 2353998.464,
            "name": "Y",
            "position": 1,
            "stddev": 259.4844159,
            "variance": 67332.16211
          },
          {
            "average": -5.116147544,
            "count": 10154309,
            "maximum": -0.160135532,
            "minimum": -28.06013553,
            "name": "Z",
            "position": 2,
            "stddev": 2.569679618,
            "variance": 6.603253339
          },
          {
            "average": 16.44945353,
            "count": 10154309,
            "maximum": 8563,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 51.69595956,
            "variance": 2672.472235
          },
          {
            "average": 1.015426062,
            "count": 10154309,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.12869152,
            "variance": 0.01656150732
          },
          {
            "average": 1.018339209,
            "count": 10154309,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1397678155,
            "variance": 0.01953504224
          },
          {
            "average": 1,
            "count": 10154309,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10154309,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 10154309,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.736387133,
            "count": 10154309,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.12870329,
            "variance": 102.5906303
          },
          {
            "average": 94.13611591,
            "count": 10154309,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 67.24808953,
            "variance": 4522.305545
          },
          {
            "average": 7.349580951,
            "count": 10154309,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.735449254,
            "variance": 22.42447964
          },
          {
            "average": 63305300.24,
            "count": 10154309,
            "maximum": 63586964.71,
            "minimum": 62722687.67,
            "name": "GpsTime",
            "position": 12,
            "stddev": 256758.1541,
            "variance": 65924749690.0
          },
          {
            "average": 0,
            "count": 10154309,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10154309,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10154309,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10154309,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10154309,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.6743,
          2353998.464,
          -28.06013553,
          592999.6743,
          2354998.464,
          -0.160135532
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.6743112035,
                2353998.463899491,
                -28.060135532035122
              ],
              [
                591999.6743112035,
                2354998.463899491,
                -28.060135532035122
              ],
              [
                592999.6743112035,
                2354998.463899491,
                -0.16013553203512
              ],
              [
                592999.6743112035,
                2353998.463899491,
                -0.16013553203512
              ],
              [
                591999.6743112035,
                2353998.463899491,
                -28.060135532035122
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:49:24+00:00",
        "end_time": "2013-09-09T00:44:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9254.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9254.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9254.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9254.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1131108,
            21.28540151,
            -28.06013553,
            -158.1034168,
            21.29448682,
            -0.160135532
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11311081787574,
                  21.285452564756394,
                  -28.060135532035122
                ],
                [
                  -158.11305663159698,
                  21.294486815930956,
                  -28.060135532035122
                ],
                [
                  -158.1034168034287,
                  21.29443574033392,
                  -0.16013553203512
                ],
                [
                  -158.10347157792813,
                  21.285401513439723,
                  -0.16013553203512
                ],
                [
                  -158.11311081787574,
                  21.285452564756394,
                  -28.060135532035122
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9254.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9254.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:49:24Z",
            "pc:count": 10154309,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592520.5254,
                "count": 10154309,
                "maximum": 592999.6743,
                "minimum": 591999.6743,
                "name": "X",
                "position": 0,
                "stddev": 285.3316626,
                "variance": 81414.15767
              },
              {
                "average": 2354477.265,
                "count": 10154309,
                "maximum": 2354998.464,
                "minimum": 2353998.464,
                "name": "Y",
                "position": 1,
                "stddev": 259.4844159,
                "variance": 67332.16211
              },
              {
                "average": -5.116147544,
                "count": 10154309,
                "maximum": -0.160135532,
                "minimum": -28.06013553,
                "name": "Z",
                "position": 2,
                "stddev": 2.569679618,
                "variance": 6.603253339
              },
              {
                "average": 16.44945353,
                "count": 10154309,
                "maximum": 8563,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 51.69595956,
                "variance": 2672.472235
              },
              {
                "average": 1.015426062,
                "count": 10154309,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.12869152,
                "variance": 0.01656150732
              },
              {
                "average": 1.018339209,
                "count": 10154309,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1397678155,
                "variance": 0.01953504224
              },
              {
                "average": 1,
                "count": 10154309,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10154309,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 10154309,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.736387133,
                "count": 10154309,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.12870329,
                "variance": 102.5906303
              },
              {
                "average": 94.13611591,
                "count": 10154309,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 67.24808953,
                "variance": 4522.305545
              },
              {
                "average": 7.349580951,
                "count": 10154309,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.735449254,
                "variance": 22.42447964
              },
              {
                "average": 63305300.24,
                "count": 10154309,
                "maximum": 63586964.71,
                "minimum": 62722687.67,
                "name": "GpsTime",
                "position": 12,
                "stddev": 256758.1541,
                "variance": 65924749690.0
              },
              {
                "average": 0,
                "count": 10154309,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10154309,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10154309,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10154309,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10154309,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.6743,
              2353998.464,
              -28.06013553,
              592999.6743,
              2354998.464,
              -0.160135532
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.6743112035,
                    2353998.463899491,
                    -28.060135532035122
                  ],
                  [
                    591999.6743112035,
                    2354998.463899491,
                    -28.060135532035122
                  ],
                  [
                    592999.6743112035,
                    2354998.463899491,
                    -0.16013553203512
                  ],
                  [
                    592999.6743112035,
                    2353998.463899491,
                    -0.16013553203512
                  ],
                  [
                    591999.6743112035,
                    2353998.463899491,
                    -28.060135532035122
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:49:24+00:00",
            "end_time": "2013-09-09T00:44:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9594.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.08193182855413,
              21.646657412238547,
              -45.41644791805209
            ],
            [
              -158.08187470920248,
              21.655691193078788,
              -45.41644791805209
            ],
            [
              -158.0722119302035,
              21.65563748984039,
              -25.116447918052096
            ],
            [
              -158.0722696528331,
              21.646603732891148,
              -25.116447918052096
            ],
            [
              -158.08193182855413,
              21.646657412238547,
              -45.41644791805209
            ]
          ]
        ]
      },
      "bbox": [
        -158.0819318,
        21.64660373,
        -45.41644792,
        -158.0722119,
        21.65569119,
        -25.11644792
      ],
      "properties": {
        "datetime": "2013-09-22T23:39:48Z",
        "pc:count": 530474,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 595685.4653,
            "count": 530474,
            "maximum": 595999.6328,
            "minimum": 594999.7128,
            "name": "X",
            "position": 0,
            "stddev": 215.5386746,
            "variance": 46456.92026
          },
          {
            "average": 2394464.614,
            "count": 530474,
            "maximum": 2394998.485,
            "minimum": 2393998.485,
            "name": "Y",
            "position": 1,
            "stddev": 294.4918112,
            "variance": 86725.42688
          },
          {
            "average": -33.72885458,
            "count": 530474,
            "maximum": -25.11644792,
            "minimum": -45.41644792,
            "name": "Z",
            "position": 2,
            "stddev": 3.823099527,
            "variance": 14.61608999
          },
          {
            "average": 1024.855669,
            "count": 530474,
            "maximum": 8980,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 465.8899332,
            "variance": 217053.4299
          },
          {
            "average": 1.001061315,
            "count": 530474,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03256056793,
            "variance": 0.001060190584
          },
          {
            "average": 1.001247941,
            "count": 530474,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03530418552,
            "variance": 0.001246385515
          },
          {
            "average": 1,
            "count": 530474,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 530474,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 530474,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.71863848,
            "count": 530474,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.3618627,
            "variance": 87.64447321
          },
          {
            "average": 249.0033159,
            "count": 530474,
            "maximum": 253,
            "minimum": 94,
            "name": "UserData",
            "position": 10,
            "stddev": 1.938233112,
            "variance": 3.756747596
          },
          {
            "average": 3.122852392,
            "count": 530474,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.299068958,
            "variance": 1.687580159
          },
          {
            "average": 62874480.68,
            "count": 530474,
            "maximum": 63928388.49,
            "minimum": 62796161.01,
            "name": "GpsTime",
            "position": 12,
            "stddev": 266878.9916,
            "variance": 71224396150.0
          },
          {
            "average": 0,
            "count": 530474,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 530474,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 530474,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 530474,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 530474,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594999.7128,
          2393998.485,
          -45.41644792,
          595999.6328,
          2394998.485,
          -25.11644792
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594999.7127755289,
                2393998.4849088164,
                -45.41644791805209
              ],
              [
                594999.7127755289,
                2394998.4849088164,
                -45.41644791805209
              ],
              [
                595999.6327755288,
                2394998.4849088164,
                -25.116447918052096
              ],
              [
                595999.6327755288,
                2393998.4849088164,
                -25.116447918052096
              ],
              [
                594999.7127755289,
                2393998.4849088164,
                -45.41644791805209
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:39:48+00:00",
        "end_time": "2013-09-09T21:09:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9594.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9594.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9594.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9594.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0819318,
            21.64660373,
            -45.41644792,
            -158.0722119,
            21.65569119,
            -25.11644792
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.08193182855413,
                  21.646657412238547,
                  -45.41644791805209
                ],
                [
                  -158.08187470920248,
                  21.655691193078788,
                  -45.41644791805209
                ],
                [
                  -158.0722119302035,
                  21.65563748984039,
                  -25.116447918052096
                ],
                [
                  -158.0722696528331,
                  21.646603732891148,
                  -25.116447918052096
                ],
                [
                  -158.08193182855413,
                  21.646657412238547,
                  -45.41644791805209
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9594.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9594.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:39:48Z",
            "pc:count": 530474,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 595685.4653,
                "count": 530474,
                "maximum": 595999.6328,
                "minimum": 594999.7128,
                "name": "X",
                "position": 0,
                "stddev": 215.5386746,
                "variance": 46456.92026
              },
              {
                "average": 2394464.614,
                "count": 530474,
                "maximum": 2394998.485,
                "minimum": 2393998.485,
                "name": "Y",
                "position": 1,
                "stddev": 294.4918112,
                "variance": 86725.42688
              },
              {
                "average": -33.72885458,
                "count": 530474,
                "maximum": -25.11644792,
                "minimum": -45.41644792,
                "name": "Z",
                "position": 2,
                "stddev": 3.823099527,
                "variance": 14.61608999
              },
              {
                "average": 1024.855669,
                "count": 530474,
                "maximum": 8980,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 465.8899332,
                "variance": 217053.4299
              },
              {
                "average": 1.001061315,
                "count": 530474,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03256056793,
                "variance": 0.001060190584
              },
              {
                "average": 1.001247941,
                "count": 530474,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03530418552,
                "variance": 0.001246385515
              },
              {
                "average": 1,
                "count": 530474,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 530474,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 530474,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.71863848,
                "count": 530474,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.3618627,
                "variance": 87.64447321
              },
              {
                "average": 249.0033159,
                "count": 530474,
                "maximum": 253,
                "minimum": 94,
                "name": "UserData",
                "position": 10,
                "stddev": 1.938233112,
                "variance": 3.756747596
              },
              {
                "average": 3.122852392,
                "count": 530474,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.299068958,
                "variance": 1.687580159
              },
              {
                "average": 62874480.68,
                "count": 530474,
                "maximum": 63928388.49,
                "minimum": 62796161.01,
                "name": "GpsTime",
                "position": 12,
                "stddev": 266878.9916,
                "variance": 71224396150.0
              },
              {
                "average": 0,
                "count": 530474,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 530474,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 530474,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 530474,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 530474,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594999.7128,
              2393998.485,
              -45.41644792,
              595999.6328,
              2394998.485,
              -25.11644792
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594999.7127755289,
                    2393998.4849088164,
                    -45.41644791805209
                  ],
                  [
                    594999.7127755289,
                    2394998.4849088164,
                    -45.41644791805209
                  ],
                  [
                    595999.6327755288,
                    2394998.4849088164,
                    -25.116447918052096
                  ],
                  [
                    595999.6327755288,
                    2393998.4849088164,
                    -25.116447918052096
                  ],
                  [
                    594999.7127755289,
                    2393998.4849088164,
                    -45.41644791805209
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:39:48+00:00",
            "end_time": "2013-09-09T21:09:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9595.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.07854549521502,
              21.65567278473565,
              -46.28125586161718
            ],
            [
              -158.07850031305517,
              21.66278940300365,
              -46.28125586161718
            ],
            [
              -158.0721663210158,
              21.662754125724998,
              -32.68125586161719
            ],
            [
              -158.0722118148296,
              21.655637519813805,
              -32.68125586161719
            ],
            [
              -158.07854549521502,
              21.65567278473565,
              -46.28125586161718
            ]
          ]
        ]
      },
      "bbox": [
        -158.0785455,
        21.65563752,
        -46.28125586,
        -158.0721663,
        21.6627894,
        -32.68125586
      ],
      "properties": {
        "datetime": "2013-09-09T22:23:15Z",
        "pc:count": 221769,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 595819.133,
            "count": 221769,
            "maximum": 595999.6447,
            "minimum": 595344.2247,
            "name": "X",
            "position": 0,
            "stddev": 140.6428998,
            "variance": 19780.42528
          },
          {
            "average": 2395259.005,
            "count": 221769,
            "maximum": 2395786.268,
            "minimum": 2394998.488,
            "name": "Y",
            "position": 1,
            "stddev": 180.8377616,
            "variance": 32702.29604
          },
          {
            "average": -38.45736082,
            "count": 221769,
            "maximum": -32.68125586,
            "minimum": -46.28125586,
            "name": "Z",
            "position": 2,
            "stddev": 2.790163988,
            "variance": 7.785015077
          },
          {
            "average": 2051.230005,
            "count": 221769,
            "maximum": 6405,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 672.5101685,
            "variance": 452269.9267
          },
          {
            "average": 1.002642389,
            "count": 221769,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05133633037,
            "variance": 0.002635418816
          },
          {
            "average": 1.002710027,
            "count": 221769,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0519874508,
            "variance": 0.00270269504
          },
          {
            "average": 1,
            "count": 221769,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 221769,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 221769,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.2931983,
            "count": 221769,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.516813031,
            "variance": 90.56973026
          },
          {
            "average": 249.0344999,
            "count": 221769,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.188609117,
            "variance": 0.03557339901
          },
          {
            "average": 1.792897114,
            "count": 221769,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8408677659,
            "variance": 0.7070585997
          },
          {
            "average": 62797686.78,
            "count": 221769,
            "maximum": 62800595.65,
            "minimum": 62796161.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1706.210159,
            "variance": 2911153.107
          },
          {
            "average": 0,
            "count": 221769,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 221769,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 221769,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 221769,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 221769,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          595344.2247,
          2394998.488,
          -46.28125586,
          595999.6447,
          2395786.268,
          -32.68125586
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                595344.2246943763,
                2394998.4882979817,
                -46.28125586161718
              ],
              [
                595344.2246943763,
                2395786.268297982,
                -46.28125586161718
              ],
              [
                595999.6446943763,
                2395786.268297982,
                -32.68125586161719
              ],
              [
                595999.6446943763,
                2394998.4882979817,
                -32.68125586161719
              ],
              [
                595344.2246943763,
                2394998.4882979817,
                -46.28125586161718
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T22:23:15+00:00",
        "end_time": "2013-09-09T21:09:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9595.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9595.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9595.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9595.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0785455,
            21.65563752,
            -46.28125586,
            -158.0721663,
            21.6627894,
            -32.68125586
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.07854549521502,
                  21.65567278473565,
                  -46.28125586161718
                ],
                [
                  -158.07850031305517,
                  21.66278940300365,
                  -46.28125586161718
                ],
                [
                  -158.0721663210158,
                  21.662754125724998,
                  -32.68125586161719
                ],
                [
                  -158.0722118148296,
                  21.655637519813805,
                  -32.68125586161719
                ],
                [
                  -158.07854549521502,
                  21.65567278473565,
                  -46.28125586161718
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9595.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9595.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T22:23:15Z",
            "pc:count": 221769,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 595819.133,
                "count": 221769,
                "maximum": 595999.6447,
                "minimum": 595344.2247,
                "name": "X",
                "position": 0,
                "stddev": 140.6428998,
                "variance": 19780.42528
              },
              {
                "average": 2395259.005,
                "count": 221769,
                "maximum": 2395786.268,
                "minimum": 2394998.488,
                "name": "Y",
                "position": 1,
                "stddev": 180.8377616,
                "variance": 32702.29604
              },
              {
                "average": -38.45736082,
                "count": 221769,
                "maximum": -32.68125586,
                "minimum": -46.28125586,
                "name": "Z",
                "position": 2,
                "stddev": 2.790163988,
                "variance": 7.785015077
              },
              {
                "average": 2051.230005,
                "count": 221769,
                "maximum": 6405,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 672.5101685,
                "variance": 452269.9267
              },
              {
                "average": 1.002642389,
                "count": 221769,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05133633037,
                "variance": 0.002635418816
              },
              {
                "average": 1.002710027,
                "count": 221769,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0519874508,
                "variance": 0.00270269504
              },
              {
                "average": 1,
                "count": 221769,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 221769,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 221769,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.2931983,
                "count": 221769,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.516813031,
                "variance": 90.56973026
              },
              {
                "average": 249.0344999,
                "count": 221769,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.188609117,
                "variance": 0.03557339901
              },
              {
                "average": 1.792897114,
                "count": 221769,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8408677659,
                "variance": 0.7070585997
              },
              {
                "average": 62797686.78,
                "count": 221769,
                "maximum": 62800595.65,
                "minimum": 62796161.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1706.210159,
                "variance": 2911153.107
              },
              {
                "average": 0,
                "count": 221769,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 221769,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 221769,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 221769,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 221769,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              595344.2247,
              2394998.488,
              -46.28125586,
              595999.6447,
              2395786.268,
              -32.68125586
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    595344.2246943763,
                    2394998.4882979817,
                    -46.28125586161718
                  ],
                  [
                    595344.2246943763,
                    2395786.268297982,
                    -46.28125586161718
                  ],
                  [
                    595999.6446943763,
                    2395786.268297982,
                    -32.68125586161719
                  ],
                  [
                    595999.6446943763,
                    2394998.4882979817,
                    -32.68125586161719
                  ],
                  [
                    595344.2246943763,
                    2394998.4882979817,
                    -46.28125586161718
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T22:23:15+00:00",
            "end_time": "2013-09-09T21:09:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0554.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9877792250341,
              21.288168765459726,
              -20.690550260586136
            ],
            [
              -157.9877408186581,
              21.29377954932336,
              -20.690550260586136
            ],
            [
              -157.97810139785236,
              21.29372131567434,
              -11.230550260586135
            ],
            [
              -157.97814016927973,
              21.2881105478249,
              -11.230550260586135
            ],
            [
              -157.9877792250341,
              21.288168765459726,
              -20.690550260586136
            ]
          ]
        ]
      },
      "bbox": [
        -157.9877792,
        21.28811055,
        -20.69055026,
        -157.9781014,
        21.29377955,
        -11.23055026
      ],
      "properties": {
        "datetime": "2013-09-17T12:17:12Z",
        "pc:count": 1283293,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 605439.5331,
            "count": 1283293,
            "maximum": 605999.7195,
            "minimum": 604999.7195,
            "name": "X",
            "position": 0,
            "stddev": 279.6104828,
            "variance": 78182.02207
          },
          {
            "average": 2354800.491,
            "count": 1283293,
            "maximum": 2354998.443,
            "minimum": 2354377.363,
            "name": "Y",
            "position": 1,
            "stddev": 146.1313945,
            "variance": 21354.38447
          },
          {
            "average": -13.73113387,
            "count": 1283293,
            "maximum": -11.23055026,
            "minimum": -20.69055026,
            "name": "Z",
            "position": 2,
            "stddev": 1.755790168,
            "variance": 3.082799113
          },
          {
            "average": 71.19029247,
            "count": 1283293,
            "maximum": 480,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 106.0669233,
            "variance": 11250.19222
          },
          {
            "average": 1.000539238,
            "count": 1283293,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02324878193,
            "variance": 0.0005405058611
          },
          {
            "average": 1.000672489,
            "count": 1283293,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02598372441,
            "variance": 0.000675153934
          },
          {
            "average": 1,
            "count": 1283293,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1283293,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1283293,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1283293,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 126.78488,
            "count": 1283293,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 87.74696186,
            "variance": 7699.529315
          },
          {
            "average": 4.167183176,
            "count": 1283293,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.720451918,
            "variance": 7.40085864
          },
          {
            "average": 63326847.38,
            "count": 1283293,
            "maximum": 63455432.21,
            "minimum": 63275601.54,
            "name": "GpsTime",
            "position": 12,
            "stddev": 75385.98231,
            "variance": 5683046328
          },
          {
            "average": 0,
            "count": 1283293,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1283293,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1283293,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1283293,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1283293,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          604999.7195,
          2354377.363,
          -20.69055026,
          605999.7195,
          2354998.443,
          -11.23055026
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                604999.7194677816,
                2354377.3627707735,
                -20.690550260586136
              ],
              [
                604999.7194677816,
                2354998.4427707735,
                -20.690550260586136
              ],
              [
                605999.7194677816,
                2354998.4427707735,
                -11.230550260586135
              ],
              [
                605999.7194677816,
                2354377.3627707735,
                -11.230550260586135
              ],
              [
                604999.7194677816,
                2354377.3627707735,
                -20.690550260586136
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:17:12+00:00",
        "end_time": "2013-09-15T10:20:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0554.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0554.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0554.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0554.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9877792,
            21.28811055,
            -20.69055026,
            -157.9781014,
            21.29377955,
            -11.23055026
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9877792250341,
                  21.288168765459726,
                  -20.690550260586136
                ],
                [
                  -157.9877408186581,
                  21.29377954932336,
                  -20.690550260586136
                ],
                [
                  -157.97810139785236,
                  21.29372131567434,
                  -11.230550260586135
                ],
                [
                  -157.97814016927973,
                  21.2881105478249,
                  -11.230550260586135
                ],
                [
                  -157.9877792250341,
                  21.288168765459726,
                  -20.690550260586136
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0554.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0554.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:17:12Z",
            "pc:count": 1283293,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 605439.5331,
                "count": 1283293,
                "maximum": 605999.7195,
                "minimum": 604999.7195,
                "name": "X",
                "position": 0,
                "stddev": 279.6104828,
                "variance": 78182.02207
              },
              {
                "average": 2354800.491,
                "count": 1283293,
                "maximum": 2354998.443,
                "minimum": 2354377.363,
                "name": "Y",
                "position": 1,
                "stddev": 146.1313945,
                "variance": 21354.38447
              },
              {
                "average": -13.73113387,
                "count": 1283293,
                "maximum": -11.23055026,
                "minimum": -20.69055026,
                "name": "Z",
                "position": 2,
                "stddev": 1.755790168,
                "variance": 3.082799113
              },
              {
                "average": 71.19029247,
                "count": 1283293,
                "maximum": 480,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 106.0669233,
                "variance": 11250.19222
              },
              {
                "average": 1.000539238,
                "count": 1283293,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02324878193,
                "variance": 0.0005405058611
              },
              {
                "average": 1.000672489,
                "count": 1283293,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02598372441,
                "variance": 0.000675153934
              },
              {
                "average": 1,
                "count": 1283293,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1283293,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1283293,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1283293,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 126.78488,
                "count": 1283293,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 87.74696186,
                "variance": 7699.529315
              },
              {
                "average": 4.167183176,
                "count": 1283293,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.720451918,
                "variance": 7.40085864
              },
              {
                "average": 63326847.38,
                "count": 1283293,
                "maximum": 63455432.21,
                "minimum": 63275601.54,
                "name": "GpsTime",
                "position": 12,
                "stddev": 75385.98231,
                "variance": 5683046328
              },
              {
                "average": 0,
                "count": 1283293,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1283293,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1283293,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1283293,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1283293,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              604999.7195,
              2354377.363,
              -20.69055026,
              605999.7195,
              2354998.443,
              -11.23055026
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    604999.7194677816,
                    2354377.3627707735,
                    -20.690550260586136
                  ],
                  [
                    604999.7194677816,
                    2354998.4427707735,
                    -20.690550260586136
                  ],
                  [
                    605999.7194677816,
                    2354998.4427707735,
                    -11.230550260586135
                  ],
                  [
                    605999.7194677816,
                    2354377.3627707735,
                    -11.230550260586135
                  ],
                  [
                    604999.7194677816,
                    2354377.3627707735,
                    -20.690550260586136
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:17:12+00:00",
            "end_time": "2013-09-15T10:20:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qej9651.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0746985932332,
              21.26210798459485,
              -55.749487643932284
            ],
            [
              -158.07467639028275,
              21.26566094804664,
              -55.749487643932284
            ],
            [
              -158.0719413593227,
              21.265645905008444,
              -35.12948764393228
            ],
            [
              -158.0719636276551,
              21.262092944565296,
              -35.12948764393228
            ],
            [
              -158.0746985932332,
              21.26210798459485,
              -55.749487643932284
            ]
          ]
        ]
      },
      "bbox": [
        -158.0746986,
        21.26209294,
        -55.74948764,
        -158.0719414,
        21.26566095,
        -35.12948764
      ],
      "properties": {
        "datetime": "2013-09-18T20:35:07Z",
        "pc:count": 9212,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 596072.5467,
            "count": 9212,
            "maximum": 596283.4692,
            "minimum": 595999.6892,
            "name": "X",
            "position": 0,
            "stddev": 57.18377531,
            "variance": 3269.984159
          },
          {
            "average": 2351694.437,
            "count": 9212,
            "maximum": 2351830.688,
            "minimum": 2351437.408,
            "name": "Y",
            "position": 1,
            "stddev": 81.9257731,
            "variance": 6711.832298
          },
          {
            "average": -39.52898504,
            "count": 9212,
            "maximum": -35.12948764,
            "minimum": -55.74948764,
            "name": "Z",
            "position": 2,
            "stddev": 4.095991823,
            "variance": 16.77714901
          },
          {
            "average": 811.1641337,
            "count": 9212,
            "maximum": 6853,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 502.1767694,
            "variance": 252181.5077
          },
          {
            "average": 1.000868432,
            "count": 9212,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02945797862,
            "variance": 0.0008677725046
          },
          {
            "average": 1.000868432,
            "count": 9212,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02945797862,
            "variance": 0.0008677725046
          },
          {
            "average": 1,
            "count": 9212,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9212,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 9212,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.57103536,
            "count": 9212,
            "maximum": 21,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.769014265,
            "variance": 60.35758265
          },
          {
            "average": 249.0259444,
            "count": 9212,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1589781462,
            "variance": 0.02527405098
          },
          {
            "average": 1,
            "count": 9212,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63571701.84,
            "count": 9212,
            "maximum": 63571707.33,
            "minimum": 63571698.52,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.970171655,
            "variance": 3.881576349
          },
          {
            "average": 0,
            "count": 9212,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9212,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9212,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9212,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9212,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          595999.6892,
          2351437.408,
          -55.74948764,
          596283.4692,
          2351830.688,
          -35.12948764
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                595999.6891541311,
                2351437.407923617,
                -55.749487643932284
              ],
              [
                595999.6891541311,
                2351830.687923617,
                -55.749487643932284
              ],
              [
                596283.4691541311,
                2351830.687923617,
                -35.12948764393228
              ],
              [
                596283.4691541311,
                2351437.407923617,
                -35.12948764393228
              ],
              [
                595999.6891541311,
                2351437.407923617,
                -55.749487643932284
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:35:07+00:00",
        "end_time": "2013-09-18T20:34:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qej9651.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qej9651.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qej9651.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qej9651.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0746986,
            21.26209294,
            -55.74948764,
            -158.0719414,
            21.26566095,
            -35.12948764
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0746985932332,
                  21.26210798459485,
                  -55.749487643932284
                ],
                [
                  -158.07467639028275,
                  21.26566094804664,
                  -55.749487643932284
                ],
                [
                  -158.0719413593227,
                  21.265645905008444,
                  -35.12948764393228
                ],
                [
                  -158.0719636276551,
                  21.262092944565296,
                  -35.12948764393228
                ],
                [
                  -158.0746985932332,
                  21.26210798459485,
                  -55.749487643932284
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qej9651.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qej9651.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:35:07Z",
            "pc:count": 9212,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 596072.5467,
                "count": 9212,
                "maximum": 596283.4692,
                "minimum": 595999.6892,
                "name": "X",
                "position": 0,
                "stddev": 57.18377531,
                "variance": 3269.984159
              },
              {
                "average": 2351694.437,
                "count": 9212,
                "maximum": 2351830.688,
                "minimum": 2351437.408,
                "name": "Y",
                "position": 1,
                "stddev": 81.9257731,
                "variance": 6711.832298
              },
              {
                "average": -39.52898504,
                "count": 9212,
                "maximum": -35.12948764,
                "minimum": -55.74948764,
                "name": "Z",
                "position": 2,
                "stddev": 4.095991823,
                "variance": 16.77714901
              },
              {
                "average": 811.1641337,
                "count": 9212,
                "maximum": 6853,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 502.1767694,
                "variance": 252181.5077
              },
              {
                "average": 1.000868432,
                "count": 9212,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02945797862,
                "variance": 0.0008677725046
              },
              {
                "average": 1.000868432,
                "count": 9212,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02945797862,
                "variance": 0.0008677725046
              },
              {
                "average": 1,
                "count": 9212,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9212,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 9212,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.57103536,
                "count": 9212,
                "maximum": 21,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.769014265,
                "variance": 60.35758265
              },
              {
                "average": 249.0259444,
                "count": 9212,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1589781462,
                "variance": 0.02527405098
              },
              {
                "average": 1,
                "count": 9212,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63571701.84,
                "count": 9212,
                "maximum": 63571707.33,
                "minimum": 63571698.52,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.970171655,
                "variance": 3.881576349
              },
              {
                "average": 0,
                "count": 9212,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9212,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9212,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9212,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9212,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              595999.6892,
              2351437.408,
              -55.74948764,
              596283.4692,
              2351830.688,
              -35.12948764
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    595999.6891541311,
                    2351437.407923617,
                    -55.749487643932284
                  ],
                  [
                    595999.6891541311,
                    2351830.687923617,
                    -55.749487643932284
                  ],
                  [
                    596283.4691541311,
                    2351830.687923617,
                    -35.12948764393228
                  ],
                  [
                    596283.4691541311,
                    2351437.407923617,
                    -35.12948764393228
                  ],
                  [
                    595999.6891541311,
                    2351437.407923617,
                    -55.749487643932284
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:35:07+00:00",
            "end_time": "2013-09-18T20:34:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9653.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0745751370491,
              21.281868717778327,
              -21.9418316179347
            ],
            [
              -158.07455401546736,
              21.285244963214385,
              -21.9418316179347
            ],
            [
              -158.06491490215413,
              21.285191693481003,
              -10.981831617934699
            ],
            [
              -158.06493624309053,
              21.281815457942642,
              -10.981831617934699
            ],
            [
              -158.0745751370491,
              21.281868717778327,
              -21.9418316179347
            ]
          ]
        ]
      },
      "bbox": [
        -158.0745751,
        21.28181546,
        -21.94183162,
        -158.0649149,
        21.28524496,
        -10.98183162
      ],
      "properties": {
        "datetime": "2013-09-15T10:38:23Z",
        "pc:count": 315130,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 596392.5847,
            "count": 315130,
            "maximum": 596999.6801,
            "minimum": 595999.6801,
            "name": "X",
            "position": 0,
            "stddev": 298.4540724,
            "variance": 89074.83331
          },
          {
            "average": 2353841.938,
            "count": 315130,
            "maximum": 2353998.46,
            "minimum": 2353624.74,
            "name": "Y",
            "position": 1,
            "stddev": 103.2340303,
            "variance": 10657.26502
          },
          {
            "average": -15.76650439,
            "count": 315130,
            "maximum": -10.98183162,
            "minimum": -21.94183162,
            "name": "Z",
            "position": 2,
            "stddev": 2.877368789,
            "variance": 8.279251145
          },
          {
            "average": 113.0057246,
            "count": 315130,
            "maximum": 518,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 114.4594083,
            "variance": 13100.95615
          },
          {
            "average": 1.000631485,
            "count": 315130,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02512147781,
            "variance": 0.0006310886475
          },
          {
            "average": 1.000637832,
            "count": 315130,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02524732063,
            "variance": 0.0006374271989
          },
          {
            "average": 1,
            "count": 315130,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 315130,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 315130,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 315130,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 188.1915368,
            "count": 315130,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 85.94768376,
            "variance": 7387.004344
          },
          {
            "average": 6.745673214,
            "count": 315130,
            "maximum": 8,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9671198758,
            "variance": 0.9353208541
          },
          {
            "average": 63276094.93,
            "count": 315130,
            "maximum": 63276703.67,
            "minimum": 63275726.82,
            "name": "GpsTime",
            "position": 12,
            "stddev": 463.9805593,
            "variance": 215277.9594
          },
          {
            "average": 0,
            "count": 315130,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 315130,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 315130,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 315130,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 315130,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          595999.6801,
          2353624.74,
          -21.94183162,
          596999.6801,
          2353998.46,
          -10.98183162
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                595999.6800965541,
                2353624.7395783085,
                -21.9418316179347
              ],
              [
                595999.6800965541,
                2353998.4595783083,
                -21.9418316179347
              ],
              [
                596999.6800965541,
                2353998.4595783083,
                -10.981831617934699
              ],
              [
                596999.6800965541,
                2353624.7395783085,
                -10.981831617934699
              ],
              [
                595999.6800965541,
                2353624.7395783085,
                -21.9418316179347
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:38:23+00:00",
        "end_time": "2013-09-15T10:22:06+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9653.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9653.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9653.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9653.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0745751,
            21.28181546,
            -21.94183162,
            -158.0649149,
            21.28524496,
            -10.98183162
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0745751370491,
                  21.281868717778327,
                  -21.9418316179347
                ],
                [
                  -158.07455401546736,
                  21.285244963214385,
                  -21.9418316179347
                ],
                [
                  -158.06491490215413,
                  21.285191693481003,
                  -10.981831617934699
                ],
                [
                  -158.06493624309053,
                  21.281815457942642,
                  -10.981831617934699
                ],
                [
                  -158.0745751370491,
                  21.281868717778327,
                  -21.9418316179347
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9653.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9653.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:38:23Z",
            "pc:count": 315130,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 596392.5847,
                "count": 315130,
                "maximum": 596999.6801,
                "minimum": 595999.6801,
                "name": "X",
                "position": 0,
                "stddev": 298.4540724,
                "variance": 89074.83331
              },
              {
                "average": 2353841.938,
                "count": 315130,
                "maximum": 2353998.46,
                "minimum": 2353624.74,
                "name": "Y",
                "position": 1,
                "stddev": 103.2340303,
                "variance": 10657.26502
              },
              {
                "average": -15.76650439,
                "count": 315130,
                "maximum": -10.98183162,
                "minimum": -21.94183162,
                "name": "Z",
                "position": 2,
                "stddev": 2.877368789,
                "variance": 8.279251145
              },
              {
                "average": 113.0057246,
                "count": 315130,
                "maximum": 518,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 114.4594083,
                "variance": 13100.95615
              },
              {
                "average": 1.000631485,
                "count": 315130,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02512147781,
                "variance": 0.0006310886475
              },
              {
                "average": 1.000637832,
                "count": 315130,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02524732063,
                "variance": 0.0006374271989
              },
              {
                "average": 1,
                "count": 315130,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 315130,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 315130,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 315130,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 188.1915368,
                "count": 315130,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 85.94768376,
                "variance": 7387.004344
              },
              {
                "average": 6.745673214,
                "count": 315130,
                "maximum": 8,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9671198758,
                "variance": 0.9353208541
              },
              {
                "average": 63276094.93,
                "count": 315130,
                "maximum": 63276703.67,
                "minimum": 63275726.82,
                "name": "GpsTime",
                "position": 12,
                "stddev": 463.9805593,
                "variance": 215277.9594
              },
              {
                "average": 0,
                "count": 315130,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 315130,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 315130,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 315130,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 315130,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              595999.6801,
              2353624.74,
              -21.94183162,
              596999.6801,
              2353998.46,
              -10.98183162
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    595999.6800965541,
                    2353624.7395783085,
                    -21.9418316179347
                  ],
                  [
                    595999.6800965541,
                    2353998.4595783083,
                    -21.9418316179347
                  ],
                  [
                    596999.6800965541,
                    2353998.4595783083,
                    -10.981831617934699
                  ],
                  [
                    596999.6800965541,
                    2353624.7395783085,
                    -10.981831617934699
                  ],
                  [
                    595999.6800965541,
                    2353624.7395783085,
                    -21.9418316179347
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:38:23+00:00",
            "end_time": "2013-09-15T10:22:06+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8866.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1510446513751,
              21.394062664703686,
              9.996767182890128
            ],
            [
              -158.15103627103446,
              21.395514647090213,
              9.996767182890128
            ],
            [
              -158.1503029411752,
              21.395510931897533,
              17.716767182890127
            ],
            [
              -158.1503113287344,
              21.394058949792502,
              17.716767182890127
            ],
            [
              -158.1510446513751,
              21.394062664703686,
              9.996767182890128
            ]
          ]
        ]
      },
      "bbox": [
        -158.1510447,
        21.39405895,
        9.996767183,
        -158.1503029,
        21.39551465,
        17.71676718
      ],
      "properties": {
        "datetime": "2013-09-10T22:57:36Z",
        "pc:count": 61025,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588028.7802,
            "count": 61025,
            "maximum": 588075.6748,
            "minimum": 587999.6548,
            "name": "X",
            "position": 0,
            "stddev": 20.17924448,
            "variance": 407.2019076
          },
          {
            "average": 2366052.713,
            "count": 61025,
            "maximum": 2366159.192,
            "minimum": 2365998.472,
            "name": "Y",
            "position": 1,
            "stddev": 40.41890615,
            "variance": 1633.687974
          },
          {
            "average": 13.47778103,
            "count": 61025,
            "maximum": 17.71676718,
            "minimum": 9.996767183,
            "name": "Z",
            "position": 2,
            "stddev": 1.027307676,
            "variance": 1.055361061
          },
          {
            "average": 58.52586645,
            "count": 61025,
            "maximum": 735,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 88.87505899,
            "variance": 7898.776111
          },
          {
            "average": 1.08270381,
            "count": 61025,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3460010582,
            "variance": 0.1197167323
          },
          {
            "average": 1.163457599,
            "count": 61025,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5290541032,
            "variance": 0.2798982441
          },
          {
            "average": 1,
            "count": 61025,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 61025,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.290323638,
            "count": 61025,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.45391541,
            "variance": 0.2060391995
          },
          {
            "average": 20.1214879,
            "count": 61025,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.243018644,
            "variance": 5.031132638
          },
          {
            "average": 92.274068,
            "count": 61025,
            "maximum": 191,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.10164291,
            "variance": 3981.817338
          },
          {
            "average": 1,
            "count": 61025,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62783253.78,
            "count": 61025,
            "maximum": 62889056.91,
            "minimum": 62715602.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 84601.9739,
            "variance": 7157493987
          },
          {
            "average": 0,
            "count": 61025,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 61025,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 61025,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 61025,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 61025,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          587999.6548,
          2365998.472,
          9.996767183,
          588075.6748,
          2366159.192,
          17.71676718
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                587999.6547753924,
                2365998.4716307423,
                9.996767182890128
              ],
              [
                587999.6547753924,
                2366159.191630742,
                9.996767182890128
              ],
              [
                588075.6747753924,
                2366159.191630742,
                17.716767182890127
              ],
              [
                588075.6747753924,
                2365998.4716307423,
                17.716767182890127
              ],
              [
                587999.6547753924,
                2365998.4716307423,
                9.996767182890128
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T22:57:36+00:00",
        "end_time": "2013-09-08T22:46:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8866.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8866.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8866.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8866.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1510447,
            21.39405895,
            9.996767183,
            -158.1503029,
            21.39551465,
            17.71676718
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1510446513751,
                  21.394062664703686,
                  9.996767182890128
                ],
                [
                  -158.15103627103446,
                  21.395514647090213,
                  9.996767182890128
                ],
                [
                  -158.1503029411752,
                  21.395510931897533,
                  17.716767182890127
                ],
                [
                  -158.1503113287344,
                  21.394058949792502,
                  17.716767182890127
                ],
                [
                  -158.1510446513751,
                  21.394062664703686,
                  9.996767182890128
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8866.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8866.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T22:57:36Z",
            "pc:count": 61025,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588028.7802,
                "count": 61025,
                "maximum": 588075.6748,
                "minimum": 587999.6548,
                "name": "X",
                "position": 0,
                "stddev": 20.17924448,
                "variance": 407.2019076
              },
              {
                "average": 2366052.713,
                "count": 61025,
                "maximum": 2366159.192,
                "minimum": 2365998.472,
                "name": "Y",
                "position": 1,
                "stddev": 40.41890615,
                "variance": 1633.687974
              },
              {
                "average": 13.47778103,
                "count": 61025,
                "maximum": 17.71676718,
                "minimum": 9.996767183,
                "name": "Z",
                "position": 2,
                "stddev": 1.027307676,
                "variance": 1.055361061
              },
              {
                "average": 58.52586645,
                "count": 61025,
                "maximum": 735,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 88.87505899,
                "variance": 7898.776111
              },
              {
                "average": 1.08270381,
                "count": 61025,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3460010582,
                "variance": 0.1197167323
              },
              {
                "average": 1.163457599,
                "count": 61025,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5290541032,
                "variance": 0.2798982441
              },
              {
                "average": 1,
                "count": 61025,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 61025,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.290323638,
                "count": 61025,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.45391541,
                "variance": 0.2060391995
              },
              {
                "average": 20.1214879,
                "count": 61025,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.243018644,
                "variance": 5.031132638
              },
              {
                "average": 92.274068,
                "count": 61025,
                "maximum": 191,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.10164291,
                "variance": 3981.817338
              },
              {
                "average": 1,
                "count": 61025,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62783253.78,
                "count": 61025,
                "maximum": 62889056.91,
                "minimum": 62715602.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 84601.9739,
                "variance": 7157493987
              },
              {
                "average": 0,
                "count": 61025,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 61025,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 61025,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 61025,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 61025,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              587999.6548,
              2365998.472,
              9.996767183,
              588075.6748,
              2366159.192,
              17.71676718
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    587999.6547753924,
                    2365998.4716307423,
                    9.996767182890128
                  ],
                  [
                    587999.6547753924,
                    2366159.191630742,
                    9.996767182890128
                  ],
                  [
                    588075.6747753924,
                    2366159.191630742,
                    17.716767182890127
                  ],
                  [
                    588075.6747753924,
                    2365998.4716307423,
                    17.716767182890127
                  ],
                  [
                    587999.6547753924,
                    2365998.4716307423,
                    9.996767182890128
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T22:57:36+00:00",
            "end_time": "2013-09-08T22:46:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0155.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.02629910229336,
              21.294007045374943,
              -12.914956858705693
            ],
            [
              -158.02623960046017,
              21.30303997260652,
              -12.914956858705693
            ],
            [
              -158.01659923914536,
              21.302983907406528,
              -2.554956858705693
            ],
            [
              -158.01665933061017,
              21.29395100656449,
              -2.554956858705693
            ],
            [
              -158.02629910229336,
              21.294007045374943,
              -12.914956858705693
            ]
          ]
        ]
      },
      "bbox": [
        -158.0262991,
        21.29395101,
        -12.91495686,
        -158.0165992,
        21.30303997,
        -2.554956859
      ],
      "properties": {
        "datetime": "2013-09-17T12:06:21Z",
        "pc:count": 4496457,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 601502.6275,
            "count": 4496457,
            "maximum": 601999.7154,
            "minimum": 600999.6954,
            "name": "X",
            "position": 0,
            "stddev": 280.5004315,
            "variance": 78680.49206
          },
          {
            "average": 2355326.489,
            "count": 4496457,
            "maximum": 2355998.328,
            "minimum": 2354998.448,
            "name": "Y",
            "position": 1,
            "stddev": 211.809733,
            "variance": 44863.36299
          },
          {
            "average": -6.696355934,
            "count": 4496457,
            "maximum": -2.554956859,
            "minimum": -12.91495686,
            "name": "Z",
            "position": 2,
            "stddev": 1.796207082,
            "variance": 3.226359882
          },
          {
            "average": 10.38836177,
            "count": 4496457,
            "maximum": 886,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.6650629,
            "variance": 821.6858309
          },
          {
            "average": 1.003005922,
            "count": 4496457,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05488178512,
            "variance": 0.003012010338
          },
          {
            "average": 1.003885504,
            "count": 4496457,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.06239464629,
            "variance": 0.003893091885
          },
          {
            "average": 1,
            "count": 4496457,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4496457,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4496457,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4496457,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.88469255,
            "count": 4496457,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 63.03254366,
            "variance": 3973.10156
          },
          {
            "average": 9.168847161,
            "count": 4496457,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.88166731,
            "variance": 23.83067573
          },
          {
            "average": 63390178.5,
            "count": 4496457,
            "maximum": 63454781.06,
            "minimum": 63292638.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 38417.04276,
            "variance": 1475869174
          },
          {
            "average": 0,
            "count": 4496457,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4496457,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4496457,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4496457,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4496457,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          600999.6954,
          2354998.448,
          -12.91495686,
          601999.7154,
          2355998.328,
          -2.554956859
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                600999.695368119,
                2354998.4481686363,
                -12.914956858705693
              ],
              [
                600999.695368119,
                2355998.328168636,
                -12.914956858705693
              ],
              [
                601999.7153681191,
                2355998.328168636,
                -2.554956858705693
              ],
              [
                601999.7153681191,
                2354998.4481686363,
                -2.554956858705693
              ],
              [
                600999.695368119,
                2354998.4481686363,
                -12.914956858705693
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:06:21+00:00",
        "end_time": "2013-09-15T15:03:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0155.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0155.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0155.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0155.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0262991,
            21.29395101,
            -12.91495686,
            -158.0165992,
            21.30303997,
            -2.554956859
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.02629910229336,
                  21.294007045374943,
                  -12.914956858705693
                ],
                [
                  -158.02623960046017,
                  21.30303997260652,
                  -12.914956858705693
                ],
                [
                  -158.01659923914536,
                  21.302983907406528,
                  -2.554956858705693
                ],
                [
                  -158.01665933061017,
                  21.29395100656449,
                  -2.554956858705693
                ],
                [
                  -158.02629910229336,
                  21.294007045374943,
                  -12.914956858705693
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0155.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0155.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:06:21Z",
            "pc:count": 4496457,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 601502.6275,
                "count": 4496457,
                "maximum": 601999.7154,
                "minimum": 600999.6954,
                "name": "X",
                "position": 0,
                "stddev": 280.5004315,
                "variance": 78680.49206
              },
              {
                "average": 2355326.489,
                "count": 4496457,
                "maximum": 2355998.328,
                "minimum": 2354998.448,
                "name": "Y",
                "position": 1,
                "stddev": 211.809733,
                "variance": 44863.36299
              },
              {
                "average": -6.696355934,
                "count": 4496457,
                "maximum": -2.554956859,
                "minimum": -12.91495686,
                "name": "Z",
                "position": 2,
                "stddev": 1.796207082,
                "variance": 3.226359882
              },
              {
                "average": 10.38836177,
                "count": 4496457,
                "maximum": 886,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.6650629,
                "variance": 821.6858309
              },
              {
                "average": 1.003005922,
                "count": 4496457,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05488178512,
                "variance": 0.003012010338
              },
              {
                "average": 1.003885504,
                "count": 4496457,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.06239464629,
                "variance": 0.003893091885
              },
              {
                "average": 1,
                "count": 4496457,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4496457,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4496457,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4496457,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.88469255,
                "count": 4496457,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 63.03254366,
                "variance": 3973.10156
              },
              {
                "average": 9.168847161,
                "count": 4496457,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.88166731,
                "variance": 23.83067573
              },
              {
                "average": 63390178.5,
                "count": 4496457,
                "maximum": 63454781.06,
                "minimum": 63292638.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 38417.04276,
                "variance": 1475869174
              },
              {
                "average": 0,
                "count": 4496457,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4496457,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4496457,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4496457,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4496457,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              600999.6954,
              2354998.448,
              -12.91495686,
              601999.7154,
              2355998.328,
              -2.554956859
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    600999.695368119,
                    2354998.4481686363,
                    -12.914956858705693
                  ],
                  [
                    600999.695368119,
                    2355998.328168636,
                    -12.914956858705693
                  ],
                  [
                    601999.7153681191,
                    2355998.328168636,
                    -2.554956858705693
                  ],
                  [
                    601999.7153681191,
                    2354998.4481686363,
                    -2.554956858705693
                  ],
                  [
                    600999.695368119,
                    2354998.4481686363,
                    -12.914956858705693
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:06:21+00:00",
            "end_time": "2013-09-15T15:03:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9654.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.07455397862196,
              21.28524497248606,
              -21.848804555434988
            ],
            [
              -158.07449744218357,
              21.29427912222725,
              -21.848804555434988
            ],
            [
              -158.0648577412143,
              21.29422582662165,
              -0.828804555434987
            ],
            [
              -158.06491486530825,
              21.285191702750556,
              -0.828804555434987
            ],
            [
              -158.07455397862196,
              21.28524497248606,
              -21.848804555434988
            ]
          ]
        ]
      },
      "bbox": [
        -158.074554,
        21.2851917,
        -21.84880456,
        -158.0648577,
        21.29427912,
        -0.8288045554
      ],
      "properties": {
        "datetime": "2013-09-17T12:19:15Z",
        "pc:count": 3182278,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 596497.9639,
            "count": 3182278,
            "maximum": 596999.6839,
            "minimum": 595999.6839,
            "name": "X",
            "position": 0,
            "stddev": 294.7345346,
            "variance": 86868.44588
          },
          {
            "average": 2354568.582,
            "count": 3182278,
            "maximum": 2354998.461,
            "minimum": 2353998.461,
            "name": "Y",
            "position": 1,
            "stddev": 282.2155149,
            "variance": 79645.59687
          },
          {
            "average": -8.859064542,
            "count": 3182278,
            "maximum": -0.8288045554,
            "minimum": -21.84880456,
            "name": "Z",
            "position": 2,
            "stddev": 4.41432002,
            "variance": 19.48622124
          },
          {
            "average": 32.27259341,
            "count": 3182278,
            "maximum": 3150,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 70.69427961,
            "variance": 4997.68117
          },
          {
            "average": 1.014739756,
            "count": 3182278,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.120933627,
            "variance": 0.01462494215
          },
          {
            "average": 1.015898674,
            "count": 3182278,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1255900635,
            "variance": 0.01577286405
          },
          {
            "average": 1,
            "count": 3182278,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3182278,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3182278,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3182278,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 121.2254533,
            "count": 3182278,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 84.14978019,
            "variance": 7081.185505
          },
          {
            "average": 5.5107731,
            "count": 3182278,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.105591812,
            "variance": 26.06706775
          },
          {
            "average": 63378556.6,
            "count": 3182278,
            "maximum": 63455555.45,
            "minimum": 63275727.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 68797.59303,
            "variance": 4733108807
          },
          {
            "average": 0,
            "count": 3182278,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3182278,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3182278,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3182278,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3182278,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          595999.6839,
          2353998.461,
          -21.84880456,
          596999.6839,
          2354998.461,
          -0.8288045554
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                595999.6839128856,
                2353998.4606269863,
                -21.848804555434988
              ],
              [
                595999.6839128856,
                2354998.4606269863,
                -21.848804555434988
              ],
              [
                596999.6839128856,
                2354998.4606269863,
                -0.828804555434987
              ],
              [
                596999.6839128856,
                2353998.4606269863,
                -0.828804555434987
              ],
              [
                595999.6839128856,
                2353998.4606269863,
                -21.848804555434988
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:19:15+00:00",
        "end_time": "2013-09-15T10:22:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9654.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9654.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9654.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9654.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.074554,
            21.2851917,
            -21.84880456,
            -158.0648577,
            21.29427912,
            -0.8288045554
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.07455397862196,
                  21.28524497248606,
                  -21.848804555434988
                ],
                [
                  -158.07449744218357,
                  21.29427912222725,
                  -21.848804555434988
                ],
                [
                  -158.0648577412143,
                  21.29422582662165,
                  -0.828804555434987
                ],
                [
                  -158.06491486530825,
                  21.285191702750556,
                  -0.828804555434987
                ],
                [
                  -158.07455397862196,
                  21.28524497248606,
                  -21.848804555434988
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9654.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9654.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:19:15Z",
            "pc:count": 3182278,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 596497.9639,
                "count": 3182278,
                "maximum": 596999.6839,
                "minimum": 595999.6839,
                "name": "X",
                "position": 0,
                "stddev": 294.7345346,
                "variance": 86868.44588
              },
              {
                "average": 2354568.582,
                "count": 3182278,
                "maximum": 2354998.461,
                "minimum": 2353998.461,
                "name": "Y",
                "position": 1,
                "stddev": 282.2155149,
                "variance": 79645.59687
              },
              {
                "average": -8.859064542,
                "count": 3182278,
                "maximum": -0.8288045554,
                "minimum": -21.84880456,
                "name": "Z",
                "position": 2,
                "stddev": 4.41432002,
                "variance": 19.48622124
              },
              {
                "average": 32.27259341,
                "count": 3182278,
                "maximum": 3150,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 70.69427961,
                "variance": 4997.68117
              },
              {
                "average": 1.014739756,
                "count": 3182278,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.120933627,
                "variance": 0.01462494215
              },
              {
                "average": 1.015898674,
                "count": 3182278,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1255900635,
                "variance": 0.01577286405
              },
              {
                "average": 1,
                "count": 3182278,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3182278,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3182278,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3182278,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 121.2254533,
                "count": 3182278,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 84.14978019,
                "variance": 7081.185505
              },
              {
                "average": 5.5107731,
                "count": 3182278,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.105591812,
                "variance": 26.06706775
              },
              {
                "average": 63378556.6,
                "count": 3182278,
                "maximum": 63455555.45,
                "minimum": 63275727.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 68797.59303,
                "variance": 4733108807
              },
              {
                "average": 0,
                "count": 3182278,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3182278,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3182278,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3182278,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3182278,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              595999.6839,
              2353998.461,
              -21.84880456,
              596999.6839,
              2354998.461,
              -0.8288045554
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    595999.6839128856,
                    2353998.4606269863,
                    -21.848804555434988
                  ],
                  [
                    595999.6839128856,
                    2354998.4606269863,
                    -21.848804555434988
                  ],
                  [
                    596999.6839128856,
                    2354998.4606269863,
                    -0.828804555434987
                  ],
                  [
                    596999.6839128856,
                    2353998.4606269863,
                    -0.828804555434987
                  ],
                  [
                    595999.6839128856,
                    2353998.4606269863,
                    -21.848804555434988
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:19:15+00:00",
            "end_time": "2013-09-15T10:22:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0555.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.98774079901267,
              21.293779420492577,
              -13.410197318876751
            ],
            [
              -157.98767893225792,
              21.30281350848525,
              -13.410197318876751
            ],
            [
              -157.978038922668,
              21.302755248943555,
              -1.670197318876752
            ],
            [
              -157.9781013782154,
              21.29372118684275,
              -1.670197318876752
            ],
            [
              -157.98774079901267,
              21.293779420492577,
              -13.410197318876751
            ]
          ]
        ]
      },
      "bbox": [
        -157.9877408,
        21.29372119,
        -13.41019732,
        -157.9780389,
        21.30281351,
        -1.670197319
      ],
      "properties": {
        "datetime": "2013-09-17T12:17:11Z",
        "pc:count": 6233309,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 605496.4971,
            "count": 6233309,
            "maximum": 605999.7216,
            "minimum": 604999.7216,
            "name": "X",
            "position": 0,
            "stddev": 287.4029727,
            "variance": 82600.46869
          },
          {
            "average": 2355507.384,
            "count": 6233309,
            "maximum": 2355998.449,
            "minimum": 2354998.429,
            "name": "Y",
            "position": 1,
            "stddev": 274.9849886,
            "variance": 75616.74398
          },
          {
            "average": -7.589795633,
            "count": 6233309,
            "maximum": -1.670197319,
            "minimum": -13.41019732,
            "name": "Z",
            "position": 2,
            "stddev": 2.649116298,
            "variance": 7.017817162
          },
          {
            "average": 14.77618405,
            "count": 6233309,
            "maximum": 6176,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.65960869,
            "variance": 1735.522996
          },
          {
            "average": 1.011959138,
            "count": 6233309,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1089731902,
            "variance": 0.01187515619
          },
          {
            "average": 1.023643943,
            "count": 6233309,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1525473251,
            "variance": 0.02327068641
          },
          {
            "average": 1,
            "count": 6233309,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6233309,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 6233309,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6233309,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 90.84380351,
            "count": 6233309,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 65.20645184,
            "variance": 4251.881361
          },
          {
            "average": 8.052162503,
            "count": 6233309,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.23026429,
            "variance": 27.35566454
          },
          {
            "average": 63381205.4,
            "count": 6233309,
            "maximum": 63455431.79,
            "minimum": 63291271.87,
            "name": "GpsTime",
            "position": 12,
            "stddev": 51475.32983,
            "variance": 2649709581
          },
          {
            "average": 0,
            "count": 6233309,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6233309,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6233309,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6233309,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6233309,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          604999.7216,
          2354998.429,
          -13.41019732,
          605999.7216,
          2355998.449,
          -1.670197319
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                604999.7215972196,
                2354998.428523638,
                -13.410197318876751
              ],
              [
                604999.7215972196,
                2355998.4485236374,
                -13.410197318876751
              ],
              [
                605999.7215972196,
                2355998.4485236374,
                -1.670197318876752
              ],
              [
                605999.7215972196,
                2354998.428523638,
                -1.670197318876752
              ],
              [
                604999.7215972196,
                2354998.428523638,
                -13.410197318876751
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:17:11+00:00",
        "end_time": "2013-09-15T14:41:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0555.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0555.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0555.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0555.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9877408,
            21.29372119,
            -13.41019732,
            -157.9780389,
            21.30281351,
            -1.670197319
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.98774079901267,
                  21.293779420492577,
                  -13.410197318876751
                ],
                [
                  -157.98767893225792,
                  21.30281350848525,
                  -13.410197318876751
                ],
                [
                  -157.978038922668,
                  21.302755248943555,
                  -1.670197318876752
                ],
                [
                  -157.9781013782154,
                  21.29372118684275,
                  -1.670197318876752
                ],
                [
                  -157.98774079901267,
                  21.293779420492577,
                  -13.410197318876751
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0555.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0555.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:17:11Z",
            "pc:count": 6233309,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 605496.4971,
                "count": 6233309,
                "maximum": 605999.7216,
                "minimum": 604999.7216,
                "name": "X",
                "position": 0,
                "stddev": 287.4029727,
                "variance": 82600.46869
              },
              {
                "average": 2355507.384,
                "count": 6233309,
                "maximum": 2355998.449,
                "minimum": 2354998.429,
                "name": "Y",
                "position": 1,
                "stddev": 274.9849886,
                "variance": 75616.74398
              },
              {
                "average": -7.589795633,
                "count": 6233309,
                "maximum": -1.670197319,
                "minimum": -13.41019732,
                "name": "Z",
                "position": 2,
                "stddev": 2.649116298,
                "variance": 7.017817162
              },
              {
                "average": 14.77618405,
                "count": 6233309,
                "maximum": 6176,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.65960869,
                "variance": 1735.522996
              },
              {
                "average": 1.011959138,
                "count": 6233309,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1089731902,
                "variance": 0.01187515619
              },
              {
                "average": 1.023643943,
                "count": 6233309,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1525473251,
                "variance": 0.02327068641
              },
              {
                "average": 1,
                "count": 6233309,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6233309,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 6233309,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6233309,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 90.84380351,
                "count": 6233309,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 65.20645184,
                "variance": 4251.881361
              },
              {
                "average": 8.052162503,
                "count": 6233309,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.23026429,
                "variance": 27.35566454
              },
              {
                "average": 63381205.4,
                "count": 6233309,
                "maximum": 63455431.79,
                "minimum": 63291271.87,
                "name": "GpsTime",
                "position": 12,
                "stddev": 51475.32983,
                "variance": 2649709581
              },
              {
                "average": 0,
                "count": 6233309,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6233309,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6233309,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6233309,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6233309,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              604999.7216,
              2354998.429,
              -13.41019732,
              605999.7216,
              2355998.449,
              -1.670197319
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    604999.7215972196,
                    2354998.428523638,
                    -13.410197318876751
                  ],
                  [
                    604999.7215972196,
                    2355998.4485236374,
                    -13.410197318876751
                  ],
                  [
                    605999.7215972196,
                    2355998.4485236374,
                    -1.670197318876752
                  ],
                  [
                    605999.7215972196,
                    2354998.428523638,
                    -1.670197318876752
                  ],
                  [
                    604999.7215972196,
                    2354998.428523638,
                    -13.410197318876751
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:17:11+00:00",
            "end_time": "2013-09-15T14:41:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8886.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14999278021094,
              21.575408346228173,
              -3.051327482377122
            ],
            [
              -158.14994393493487,
              21.58377945877824,
              -3.051327482377122
            ],
            [
              -158.14028494406804,
              21.583729876156138,
              36.82867251762288
            ],
            [
              -158.14033434631662,
              21.575358783969143,
              36.82867251762288
            ],
            [
              -158.14999278021094,
              21.575408346228173,
              -3.051327482377122
            ]
          ]
        ]
      },
      "bbox": [
        -158.1499928,
        21.57535878,
        -3.051327482,
        -158.1402849,
        21.58377946,
        36.82867252
      ],
      "properties": {
        "datetime": "2013-09-11T20:41:24Z",
        "pc:count": 6138271,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588514.9166,
            "count": 6138271,
            "maximum": 588999.6238,
            "minimum": 587999.6238,
            "name": "X",
            "position": 0,
            "stddev": 286.8101318,
            "variance": 82260.05169
          },
          {
            "average": 2386500.029,
            "count": 6138271,
            "maximum": 2386998.477,
            "minimum": 2386071.857,
            "name": "Y",
            "position": 1,
            "stddev": 240.8896144,
            "variance": 58027.80633
          },
          {
            "average": 4.000313141,
            "count": 6138271,
            "maximum": 36.82867252,
            "minimum": -3.051327482,
            "name": "Z",
            "position": 2,
            "stddev": 3.064859724,
            "variance": 9.393365128
          },
          {
            "average": 11.98365468,
            "count": 6138271,
            "maximum": 804,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.69185148,
            "variance": 387.7690147
          },
          {
            "average": 1.327016517,
            "count": 6138271,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7075942988,
            "variance": 0.5006896917
          },
          {
            "average": 1.653293248,
            "count": 6138271,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.063667747,
            "variance": 1.131389076
          },
          {
            "average": 1,
            "count": 6138271,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6138271,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.515982269,
            "count": 6138271,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.657983009,
            "variance": 58.64470377
          },
          {
            "average": 19.451285,
            "count": 6138271,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.899007928,
            "variance": 24.00027868
          },
          {
            "average": 91.2012658,
            "count": 6138271,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.76697192,
            "variance": 4325.294596
          },
          {
            "average": 2.953667409,
            "count": 6138271,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.459006487,
            "variance": 2.12869993
          },
          {
            "average": 62886120.85,
            "count": 6138271,
            "maximum": 62967284.06,
            "minimum": 62866394.87,
            "name": "GpsTime",
            "position": 12,
            "stddev": 39291.1496,
            "variance": 1543794437
          },
          {
            "average": 0,
            "count": 6138271,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6138271,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6138271,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6138271,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6138271,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          587999.6238,
          2386071.857,
          -3.051327482,
          588999.6238,
          2386998.477,
          36.82867252
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                587999.6238290026,
                2386071.8569691954,
                -3.051327482377122
              ],
              [
                587999.6238290026,
                2386998.4769691955,
                -3.051327482377122
              ],
              [
                588999.6238290026,
                2386998.4769691955,
                36.82867251762288
              ],
              [
                588999.6238290026,
                2386071.8569691954,
                36.82867251762288
              ],
              [
                587999.6238290026,
                2386071.8569691954,
                -3.051327482377122
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:41:24+00:00",
        "end_time": "2013-09-10T16:39:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8886.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8886.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8886.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8886.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1499928,
            21.57535878,
            -3.051327482,
            -158.1402849,
            21.58377946,
            36.82867252
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14999278021094,
                  21.575408346228173,
                  -3.051327482377122
                ],
                [
                  -158.14994393493487,
                  21.58377945877824,
                  -3.051327482377122
                ],
                [
                  -158.14028494406804,
                  21.583729876156138,
                  36.82867251762288
                ],
                [
                  -158.14033434631662,
                  21.575358783969143,
                  36.82867251762288
                ],
                [
                  -158.14999278021094,
                  21.575408346228173,
                  -3.051327482377122
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8886.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8886.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:41:24Z",
            "pc:count": 6138271,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588514.9166,
                "count": 6138271,
                "maximum": 588999.6238,
                "minimum": 587999.6238,
                "name": "X",
                "position": 0,
                "stddev": 286.8101318,
                "variance": 82260.05169
              },
              {
                "average": 2386500.029,
                "count": 6138271,
                "maximum": 2386998.477,
                "minimum": 2386071.857,
                "name": "Y",
                "position": 1,
                "stddev": 240.8896144,
                "variance": 58027.80633
              },
              {
                "average": 4.000313141,
                "count": 6138271,
                "maximum": 36.82867252,
                "minimum": -3.051327482,
                "name": "Z",
                "position": 2,
                "stddev": 3.064859724,
                "variance": 9.393365128
              },
              {
                "average": 11.98365468,
                "count": 6138271,
                "maximum": 804,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.69185148,
                "variance": 387.7690147
              },
              {
                "average": 1.327016517,
                "count": 6138271,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7075942988,
                "variance": 0.5006896917
              },
              {
                "average": 1.653293248,
                "count": 6138271,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.063667747,
                "variance": 1.131389076
              },
              {
                "average": 1,
                "count": 6138271,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6138271,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.515982269,
                "count": 6138271,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.657983009,
                "variance": 58.64470377
              },
              {
                "average": 19.451285,
                "count": 6138271,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.899007928,
                "variance": 24.00027868
              },
              {
                "average": 91.2012658,
                "count": 6138271,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.76697192,
                "variance": 4325.294596
              },
              {
                "average": 2.953667409,
                "count": 6138271,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.459006487,
                "variance": 2.12869993
              },
              {
                "average": 62886120.85,
                "count": 6138271,
                "maximum": 62967284.06,
                "minimum": 62866394.87,
                "name": "GpsTime",
                "position": 12,
                "stddev": 39291.1496,
                "variance": 1543794437
              },
              {
                "average": 0,
                "count": 6138271,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6138271,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6138271,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6138271,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6138271,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              587999.6238,
              2386071.857,
              -3.051327482,
              588999.6238,
              2386998.477,
              36.82867252
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    587999.6238290026,
                    2386071.8569691954,
                    -3.051327482377122
                  ],
                  [
                    587999.6238290026,
                    2386998.4769691955,
                    -3.051327482377122
                  ],
                  [
                    588999.6238290026,
                    2386998.4769691955,
                    36.82867251762288
                  ],
                  [
                    588999.6238290026,
                    2386071.8569691954,
                    36.82867251762288
                  ],
                  [
                    587999.6238290026,
                    2386071.8569691954,
                    -3.051327482377122
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:41:24+00:00",
            "end_time": "2013-09-10T16:39:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0156.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.02623958805094,
              21.303041208203716,
              -4.133679522792331
            ],
            [
              -158.02618004833113,
              21.312075029907717,
              -4.133679522792331
            ],
            [
              -158.01653909786563,
              21.31201893797356,
              26.14632047720767
            ],
            [
              -158.01659922665553,
              21.30298514299985,
              26.14632047720767
            ],
            [
              -158.02623958805094,
              21.303041208203716,
              -4.133679522792331
            ]
          ]
        ]
      },
      "bbox": [
        -158.0262396,
        21.30298514,
        -4.133679523,
        -158.0165391,
        21.31207503,
        26.14632048
      ],
      "properties": {
        "datetime": "2013-09-16T11:04:25Z",
        "pc:count": 3990891,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 601520.8041,
            "count": 3990891,
            "maximum": 601999.7158,
            "minimum": 600999.6958,
            "name": "X",
            "position": 0,
            "stddev": 284.58554,
            "variance": 80988.92959
          },
          {
            "average": 2356604.393,
            "count": 3990891,
            "maximum": 2356998.445,
            "minimum": 2355998.465,
            "name": "Y",
            "position": 1,
            "stddev": 213.8647628,
            "variance": 45738.13676
          },
          {
            "average": 4.822569859,
            "count": 3990891,
            "maximum": 26.14632048,
            "minimum": -4.133679523,
            "name": "Z",
            "position": 2,
            "stddev": 3.594332726,
            "variance": 12.91922775
          },
          {
            "average": 33.08574802,
            "count": 3990891,
            "maximum": 1055,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 56.65706609,
            "variance": 3210.023138
          },
          {
            "average": 1.203078962,
            "count": 3990891,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5280747693,
            "variance": 0.278862962
          },
          {
            "average": 1.377751234,
            "count": 3990891,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7604192234,
            "variance": 0.5782373953
          },
          {
            "average": 1,
            "count": 3990891,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3990891,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.030252142,
            "count": 3990891,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.501635981,
            "variance": 90.28108632
          },
          {
            "average": 0,
            "count": 3990891,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.62289724,
            "count": 3990891,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.05660233,
            "variance": 4232.361506
          },
          {
            "average": 3.844490366,
            "count": 3990891,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.370328799,
            "variance": 1.877801017
          },
          {
            "average": 63360518.91,
            "count": 3990891,
            "maximum": 63364665.04,
            "minimum": 63359368.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1025.700617,
            "variance": 1052061.756
          },
          {
            "average": 0,
            "count": 3990891,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3990891,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3990891,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3990891,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3990891,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          600999.6958,
          2355998.465,
          -4.133679523,
          601999.7158,
          2356998.445,
          26.14632048
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                600999.695810823,
                2355998.46494315,
                -4.133679522792331
              ],
              [
                600999.695810823,
                2356998.4449431505,
                -4.133679522792331
              ],
              [
                601999.715810823,
                2356998.4449431505,
                26.14632047720767
              ],
              [
                601999.715810823,
                2355998.46494315,
                26.14632047720767
              ],
              [
                600999.695810823,
                2355998.46494315,
                -4.133679522792331
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:04:25+00:00",
        "end_time": "2013-09-16T09:36:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0156.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0156.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0156.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0156.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0262396,
            21.30298514,
            -4.133679523,
            -158.0165391,
            21.31207503,
            26.14632048
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.02623958805094,
                  21.303041208203716,
                  -4.133679522792331
                ],
                [
                  -158.02618004833113,
                  21.312075029907717,
                  -4.133679522792331
                ],
                [
                  -158.01653909786563,
                  21.31201893797356,
                  26.14632047720767
                ],
                [
                  -158.01659922665553,
                  21.30298514299985,
                  26.14632047720767
                ],
                [
                  -158.02623958805094,
                  21.303041208203716,
                  -4.133679522792331
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0156.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0156.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:04:25Z",
            "pc:count": 3990891,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 601520.8041,
                "count": 3990891,
                "maximum": 601999.7158,
                "minimum": 600999.6958,
                "name": "X",
                "position": 0,
                "stddev": 284.58554,
                "variance": 80988.92959
              },
              {
                "average": 2356604.393,
                "count": 3990891,
                "maximum": 2356998.445,
                "minimum": 2355998.465,
                "name": "Y",
                "position": 1,
                "stddev": 213.8647628,
                "variance": 45738.13676
              },
              {
                "average": 4.822569859,
                "count": 3990891,
                "maximum": 26.14632048,
                "minimum": -4.133679523,
                "name": "Z",
                "position": 2,
                "stddev": 3.594332726,
                "variance": 12.91922775
              },
              {
                "average": 33.08574802,
                "count": 3990891,
                "maximum": 1055,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 56.65706609,
                "variance": 3210.023138
              },
              {
                "average": 1.203078962,
                "count": 3990891,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5280747693,
                "variance": 0.278862962
              },
              {
                "average": 1.377751234,
                "count": 3990891,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7604192234,
                "variance": 0.5782373953
              },
              {
                "average": 1,
                "count": 3990891,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3990891,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.030252142,
                "count": 3990891,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.501635981,
                "variance": 90.28108632
              },
              {
                "average": 0,
                "count": 3990891,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.62289724,
                "count": 3990891,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.05660233,
                "variance": 4232.361506
              },
              {
                "average": 3.844490366,
                "count": 3990891,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.370328799,
                "variance": 1.877801017
              },
              {
                "average": 63360518.91,
                "count": 3990891,
                "maximum": 63364665.04,
                "minimum": 63359368.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1025.700617,
                "variance": 1052061.756
              },
              {
                "average": 0,
                "count": 3990891,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3990891,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3990891,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3990891,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3990891,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              600999.6958,
              2355998.465,
              -4.133679523,
              601999.7158,
              2356998.445,
              26.14632048
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    600999.695810823,
                    2355998.46494315,
                    -4.133679522792331
                  ],
                  [
                    600999.695810823,
                    2356998.4449431505,
                    -4.133679522792331
                  ],
                  [
                    601999.715810823,
                    2356998.4449431505,
                    26.14632047720767
                  ],
                  [
                    601999.715810823,
                    2355998.46494315,
                    26.14632047720767
                  ],
                  [
                    600999.695810823,
                    2355998.46494315,
                    -4.133679522792331
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:04:25+00:00",
            "end_time": "2013-09-16T09:36:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9655.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.07449751517518,
              21.294279059955464,
              -5.286126788762976
            ],
            [
              -158.0744409506158,
              21.303313198041273,
              -5.286126788762976
            ],
            [
              -158.0648004681627,
              21.303259876389827,
              26.293873211237027
            ],
            [
              -158.0648576214161,
              21.294225763282768,
              26.293873211237027
            ],
            [
              -158.07449751517518,
              21.294279059955464,
              -5.286126788762976
            ]
          ]
        ]
      },
      "bbox": [
        -158.0744975,
        21.29422576,
        -5.286126789,
        -158.0648005,
        21.3033132,
        26.29387321
      ],
      "properties": {
        "datetime": "2013-09-17T11:57:35Z",
        "pc:count": 3479554,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 596539.8775,
            "count": 3479554,
            "maximum": 596999.6964,
            "minimum": 595999.6764,
            "name": "X",
            "position": 0,
            "stddev": 281.8698279,
            "variance": 79450.59988
          },
          {
            "average": 2355562.625,
            "count": 3479554,
            "maximum": 2355998.454,
            "minimum": 2354998.454,
            "name": "Y",
            "position": 1,
            "stddev": 298.9118671,
            "variance": 89348.3043
          },
          {
            "average": 2.539527755,
            "count": 3479554,
            "maximum": 26.29387321,
            "minimum": -5.286126789,
            "name": "Z",
            "position": 2,
            "stddev": 4.219699627,
            "variance": 17.80586494
          },
          {
            "average": 27.7365579,
            "count": 3479554,
            "maximum": 2895,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 47.1248126,
            "variance": 2220.747962
          },
          {
            "average": 1.177951255,
            "count": 3479554,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5322916826,
            "variance": 0.2833344354
          },
          {
            "average": 1.332514454,
            "count": 3479554,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7939679004,
            "variance": 0.6303850268
          },
          {
            "average": 1,
            "count": 3479554,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3479554,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.05419631,
            "count": 3479554,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.82410268,
            "variance": 164.4576096
          },
          {
            "average": 0,
            "count": 3479554,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 93.47125465,
            "count": 3479554,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.11830175,
            "variance": 4504.866429
          },
          {
            "average": 7.729893544,
            "count": 3479554,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.441387203,
            "variance": 5.960371475
          },
          {
            "average": 63367588.33,
            "count": 3479554,
            "maximum": 63454255.56,
            "minimum": 63361172.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 17620.04516,
            "variance": 310465991.4
          },
          {
            "average": 0,
            "count": 3479554,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3479554,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3479554,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3479554,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3479554,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          595999.6764,
          2354998.454,
          -5.286126789,
          596999.6964,
          2355998.454,
          26.29387321
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                595999.6763816109,
                2354998.453689848,
                -5.286126788762976
              ],
              [
                595999.6763816109,
                2355998.453689848,
                -5.286126788762976
              ],
              [
                596999.6963816109,
                2355998.453689848,
                26.293873211237027
              ],
              [
                596999.6963816109,
                2354998.453689848,
                26.293873211237027
              ],
              [
                595999.6763816109,
                2354998.453689848,
                -5.286126788762976
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T11:57:35+00:00",
        "end_time": "2013-09-16T10:06:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9655.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9655.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9655.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9655.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0744975,
            21.29422576,
            -5.286126789,
            -158.0648005,
            21.3033132,
            26.29387321
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.07449751517518,
                  21.294279059955464,
                  -5.286126788762976
                ],
                [
                  -158.0744409506158,
                  21.303313198041273,
                  -5.286126788762976
                ],
                [
                  -158.0648004681627,
                  21.303259876389827,
                  26.293873211237027
                ],
                [
                  -158.0648576214161,
                  21.294225763282768,
                  26.293873211237027
                ],
                [
                  -158.07449751517518,
                  21.294279059955464,
                  -5.286126788762976
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9655.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9655.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T11:57:35Z",
            "pc:count": 3479554,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 596539.8775,
                "count": 3479554,
                "maximum": 596999.6964,
                "minimum": 595999.6764,
                "name": "X",
                "position": 0,
                "stddev": 281.8698279,
                "variance": 79450.59988
              },
              {
                "average": 2355562.625,
                "count": 3479554,
                "maximum": 2355998.454,
                "minimum": 2354998.454,
                "name": "Y",
                "position": 1,
                "stddev": 298.9118671,
                "variance": 89348.3043
              },
              {
                "average": 2.539527755,
                "count": 3479554,
                "maximum": 26.29387321,
                "minimum": -5.286126789,
                "name": "Z",
                "position": 2,
                "stddev": 4.219699627,
                "variance": 17.80586494
              },
              {
                "average": 27.7365579,
                "count": 3479554,
                "maximum": 2895,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 47.1248126,
                "variance": 2220.747962
              },
              {
                "average": 1.177951255,
                "count": 3479554,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5322916826,
                "variance": 0.2833344354
              },
              {
                "average": 1.332514454,
                "count": 3479554,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7939679004,
                "variance": 0.6303850268
              },
              {
                "average": 1,
                "count": 3479554,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3479554,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.05419631,
                "count": 3479554,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.82410268,
                "variance": 164.4576096
              },
              {
                "average": 0,
                "count": 3479554,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 93.47125465,
                "count": 3479554,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.11830175,
                "variance": 4504.866429
              },
              {
                "average": 7.729893544,
                "count": 3479554,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.441387203,
                "variance": 5.960371475
              },
              {
                "average": 63367588.33,
                "count": 3479554,
                "maximum": 63454255.56,
                "minimum": 63361172.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 17620.04516,
                "variance": 310465991.4
              },
              {
                "average": 0,
                "count": 3479554,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3479554,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3479554,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3479554,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3479554,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              595999.6764,
              2354998.454,
              -5.286126789,
              596999.6964,
              2355998.454,
              26.29387321
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    595999.6763816109,
                    2354998.453689848,
                    -5.286126788762976
                  ],
                  [
                    595999.6763816109,
                    2355998.453689848,
                    -5.286126788762976
                  ],
                  [
                    596999.6963816109,
                    2355998.453689848,
                    26.293873211237027
                  ],
                  [
                    596999.6963816109,
                    2354998.453689848,
                    26.293873211237027
                  ],
                  [
                    595999.6763816109,
                    2354998.453689848,
                    -5.286126788762976
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T11:57:35+00:00",
            "end_time": "2013-09-16T10:06:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8373.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1989323708185,
              21.45754001103118,
              2.668170727057078
            ],
            [
              -158.19891114814348,
              21.461425648086788,
              2.668170727057078
            ],
            [
              -158.19406403394174,
              21.461402363448133,
              34.02817072705707
            ],
            [
              -158.19408538537644,
              21.457516730833014,
              34.02817072705707
            ],
            [
              -158.1989323708185,
              21.45754001103118,
              2.668170727057078
            ]
          ]
        ]
      },
      "bbox": [
        -158.1989324,
        21.45751673,
        2.668170727,
        -158.194064,
        21.46142565,
        34.02817073
      ],
      "properties": {
        "datetime": "2013-09-10T23:15:07Z",
        "pc:count": 2039281,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583174.1924,
            "count": 2039281,
            "maximum": 583501.8748,
            "minimum": 582999.6348,
            "name": "X",
            "position": 0,
            "stddev": 122.4504753,
            "variance": 14994.11889
          },
          {
            "average": 2373136.667,
            "count": 2039281,
            "maximum": 2373428.549,
            "minimum": 2372998.449,
            "name": "Y",
            "position": 1,
            "stddev": 85.0300155,
            "variance": 7230.103536
          },
          {
            "average": 11.47392038,
            "count": 2039281,
            "maximum": 34.02817073,
            "minimum": 2.668170727,
            "name": "Z",
            "position": 2,
            "stddev": 5.6860009,
            "variance": 32.33060624
          },
          {
            "average": 7.550310624,
            "count": 2039281,
            "maximum": 828,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.87631404,
            "variance": 618.8310004
          },
          {
            "average": 2.472834298,
            "count": 2039281,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.242853193,
            "variance": 1.54468406
          },
          {
            "average": 3.944115598,
            "count": 2039281,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.35200782,
            "variance": 1.827925145
          },
          {
            "average": 1,
            "count": 2039281,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2039281,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.067321767,
            "count": 2039281,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2505784854,
            "variance": 0.06278957734
          },
          {
            "average": 20.39538897,
            "count": 2039281,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.961364387,
            "variance": 8.769679032
          },
          {
            "average": 91.09868037,
            "count": 2039281,
            "maximum": 200,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.49939095,
            "variance": 4692.16656
          },
          {
            "average": 1.862360312,
            "count": 2039281,
            "maximum": 3,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.5827053788,
            "variance": 0.3395455585
          },
          {
            "average": 62794994.2,
            "count": 2039281,
            "maximum": 62890107.71,
            "minimum": 62715478.63,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86140.00082,
            "variance": 7420099741
          },
          {
            "average": 0,
            "count": 2039281,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2039281,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2039281,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2039281,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2039281,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582999.6348,
          2372998.449,
          2.668170727,
          583501.8748,
          2373428.549,
          34.02817073
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582999.6348467082,
                2372998.4488788657,
                2.668170727057078
              ],
              [
                582999.6348467082,
                2373428.5488788653,
                2.668170727057078
              ],
              [
                583501.8748467081,
                2373428.5488788653,
                34.02817072705707
              ],
              [
                583501.8748467081,
                2372998.4488788657,
                34.02817072705707
              ],
              [
                582999.6348467082,
                2372998.4488788657,
                2.668170727057078
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:15:07+00:00",
        "end_time": "2013-09-08T22:44:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8373.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8373.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8373.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8373.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1989324,
            21.45751673,
            2.668170727,
            -158.194064,
            21.46142565,
            34.02817073
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1989323708185,
                  21.45754001103118,
                  2.668170727057078
                ],
                [
                  -158.19891114814348,
                  21.461425648086788,
                  2.668170727057078
                ],
                [
                  -158.19406403394174,
                  21.461402363448133,
                  34.02817072705707
                ],
                [
                  -158.19408538537644,
                  21.457516730833014,
                  34.02817072705707
                ],
                [
                  -158.1989323708185,
                  21.45754001103118,
                  2.668170727057078
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8373.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8373.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:15:07Z",
            "pc:count": 2039281,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583174.1924,
                "count": 2039281,
                "maximum": 583501.8748,
                "minimum": 582999.6348,
                "name": "X",
                "position": 0,
                "stddev": 122.4504753,
                "variance": 14994.11889
              },
              {
                "average": 2373136.667,
                "count": 2039281,
                "maximum": 2373428.549,
                "minimum": 2372998.449,
                "name": "Y",
                "position": 1,
                "stddev": 85.0300155,
                "variance": 7230.103536
              },
              {
                "average": 11.47392038,
                "count": 2039281,
                "maximum": 34.02817073,
                "minimum": 2.668170727,
                "name": "Z",
                "position": 2,
                "stddev": 5.6860009,
                "variance": 32.33060624
              },
              {
                "average": 7.550310624,
                "count": 2039281,
                "maximum": 828,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.87631404,
                "variance": 618.8310004
              },
              {
                "average": 2.472834298,
                "count": 2039281,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.242853193,
                "variance": 1.54468406
              },
              {
                "average": 3.944115598,
                "count": 2039281,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.35200782,
                "variance": 1.827925145
              },
              {
                "average": 1,
                "count": 2039281,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2039281,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.067321767,
                "count": 2039281,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2505784854,
                "variance": 0.06278957734
              },
              {
                "average": 20.39538897,
                "count": 2039281,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.961364387,
                "variance": 8.769679032
              },
              {
                "average": 91.09868037,
                "count": 2039281,
                "maximum": 200,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.49939095,
                "variance": 4692.16656
              },
              {
                "average": 1.862360312,
                "count": 2039281,
                "maximum": 3,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.5827053788,
                "variance": 0.3395455585
              },
              {
                "average": 62794994.2,
                "count": 2039281,
                "maximum": 62890107.71,
                "minimum": 62715478.63,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86140.00082,
                "variance": 7420099741
              },
              {
                "average": 0,
                "count": 2039281,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2039281,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2039281,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2039281,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2039281,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582999.6348,
              2372998.449,
              2.668170727,
              583501.8748,
              2373428.549,
              34.02817073
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582999.6348467082,
                    2372998.4488788657,
                    2.668170727057078
                  ],
                  [
                    582999.6348467082,
                    2373428.5488788653,
                    2.668170727057078
                  ],
                  [
                    583501.8748467081,
                    2373428.5488788653,
                    34.02817072705707
                  ],
                  [
                    583501.8748467081,
                    2372998.4488788657,
                    34.02817072705707
                  ],
                  [
                    582999.6348467082,
                    2372998.4488788657,
                    2.668170727057078
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:15:07+00:00",
            "end_time": "2013-09-08T22:44:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9656.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.07353381039263,
              21.303308250410414,
              3.830493995692967
            ],
            [
              -158.07352577260076,
              21.304590374018854,
              3.830493995692967
            ],
            [
              -158.06479255959144,
              21.30454204436883,
              19.29049399569297
            ],
            [
              -158.06480067314277,
              21.303259923908186,
              19.29049399569297
            ],
            [
              -158.07353381039263,
              21.303308250410414,
              3.830493995692967
            ]
          ]
        ]
      },
      "bbox": [
        -158.0735338,
        21.30325992,
        3.830493996,
        -158.0647926,
        21.30459037,
        19.290494
      ],
      "properties": {
        "datetime": "2013-09-16T10:06:24Z",
        "pc:count": 277220,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 596626.0386,
            "count": 277220,
            "maximum": 596999.6751,
            "minimum": 596093.7751,
            "name": "X",
            "position": 0,
            "stddev": 233.6486446,
            "variance": 54591.68914
          },
          {
            "average": 2356060.844,
            "count": 277220,
            "maximum": 2356140.379,
            "minimum": 2355998.459,
            "name": "Y",
            "position": 1,
            "stddev": 33.90867913,
            "variance": 1149.79852
          },
          {
            "average": 5.214444252,
            "count": 277220,
            "maximum": 19.290494,
            "minimum": 3.830493996,
            "name": "Z",
            "position": 2,
            "stddev": 1.605019011,
            "variance": 2.576086024
          },
          {
            "average": 39.83396941,
            "count": 277220,
            "maximum": 947,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 46.74107338,
            "variance": 2184.727941
          },
          {
            "average": 1.057892648,
            "count": 277220,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.348153125,
            "variance": 0.1212105984
          },
          {
            "average": 1.109952384,
            "count": 277220,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5438688876,
            "variance": 0.2957933669
          },
          {
            "average": 1,
            "count": 277220,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 277220,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.578908448,
            "count": 277220,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.493735087,
            "variance": 0.2437743362
          },
          {
            "average": 0,
            "count": 277220,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.92750162,
            "count": 277220,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 62.3580609,
            "variance": 3888.527759
          },
          {
            "average": 5,
            "count": 277220,
            "maximum": 5,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63361179.37,
            "count": 277220,
            "maximum": 63361184.69,
            "minimum": 63361172.94,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3.096951917,
            "variance": 9.591111173
          },
          {
            "average": 0,
            "count": 277220,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 277220,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 277220,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 277220,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 277220,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          596093.7751,
          2355998.459,
          3.830493996,
          596999.6751,
          2356140.379,
          19.290494
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                596093.7750882837,
                2355998.458823409,
                3.830493995692967
              ],
              [
                596093.7750882837,
                2356140.378823409,
                3.830493995692967
              ],
              [
                596999.6750882836,
                2356140.378823409,
                19.29049399569297
              ],
              [
                596999.6750882836,
                2355998.458823409,
                19.29049399569297
              ],
              [
                596093.7750882837,
                2355998.458823409,
                3.830493995692967
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:06:24+00:00",
        "end_time": "2013-09-16T10:06:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9656.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9656.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9656.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9656.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0735338,
            21.30325992,
            3.830493996,
            -158.0647926,
            21.30459037,
            19.290494
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.07353381039263,
                  21.303308250410414,
                  3.830493995692967
                ],
                [
                  -158.07352577260076,
                  21.304590374018854,
                  3.830493995692967
                ],
                [
                  -158.06479255959144,
                  21.30454204436883,
                  19.29049399569297
                ],
                [
                  -158.06480067314277,
                  21.303259923908186,
                  19.29049399569297
                ],
                [
                  -158.07353381039263,
                  21.303308250410414,
                  3.830493995692967
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9656.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9656.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:06:24Z",
            "pc:count": 277220,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 596626.0386,
                "count": 277220,
                "maximum": 596999.6751,
                "minimum": 596093.7751,
                "name": "X",
                "position": 0,
                "stddev": 233.6486446,
                "variance": 54591.68914
              },
              {
                "average": 2356060.844,
                "count": 277220,
                "maximum": 2356140.379,
                "minimum": 2355998.459,
                "name": "Y",
                "position": 1,
                "stddev": 33.90867913,
                "variance": 1149.79852
              },
              {
                "average": 5.214444252,
                "count": 277220,
                "maximum": 19.290494,
                "minimum": 3.830493996,
                "name": "Z",
                "position": 2,
                "stddev": 1.605019011,
                "variance": 2.576086024
              },
              {
                "average": 39.83396941,
                "count": 277220,
                "maximum": 947,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 46.74107338,
                "variance": 2184.727941
              },
              {
                "average": 1.057892648,
                "count": 277220,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.348153125,
                "variance": 0.1212105984
              },
              {
                "average": 1.109952384,
                "count": 277220,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5438688876,
                "variance": 0.2957933669
              },
              {
                "average": 1,
                "count": 277220,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 277220,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.578908448,
                "count": 277220,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.493735087,
                "variance": 0.2437743362
              },
              {
                "average": 0,
                "count": 277220,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.92750162,
                "count": 277220,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 62.3580609,
                "variance": 3888.527759
              },
              {
                "average": 5,
                "count": 277220,
                "maximum": 5,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63361179.37,
                "count": 277220,
                "maximum": 63361184.69,
                "minimum": 63361172.94,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3.096951917,
                "variance": 9.591111173
              },
              {
                "average": 0,
                "count": 277220,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 277220,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 277220,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 277220,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 277220,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              596093.7751,
              2355998.459,
              3.830493996,
              596999.6751,
              2356140.379,
              19.290494
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    596093.7750882837,
                    2355998.458823409,
                    3.830493995692967
                  ],
                  [
                    596093.7750882837,
                    2356140.378823409,
                    3.830493995692967
                  ],
                  [
                    596999.6750882836,
                    2356140.378823409,
                    19.29049399569297
                  ],
                  [
                    596999.6750882836,
                    2355998.458823409,
                    19.29049399569297
                  ],
                  [
                    596093.7750882837,
                    2355998.458823409,
                    3.830493995692967
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:06:24+00:00",
            "end_time": "2013-09-16T10:06:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0157.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.02617999834172,
              21.312074976321718,
              1.120407985823845
            ],
            [
              -158.02617052124592,
              21.313512465957615,
              1.120407985823845
            ],
            [
              -158.0165296699227,
              21.31345637086346,
              17.040407985823844
            ],
            [
              -158.0165392406943,
              21.312018885512142,
              17.040407985823844
            ],
            [
              -158.02617999834172,
              21.312074976321718,
              1.120407985823845
            ]
          ]
        ]
      },
      "bbox": [
        -158.02618,
        21.31201889,
        1.120407986,
        -158.0165297,
        21.31351247,
        17.04040799
      ],
      "properties": {
        "datetime": "2013-09-16T09:36:28Z",
        "pc:count": 516778,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 601536.4743,
            "count": 516778,
            "maximum": 601999.701,
            "minimum": 600999.701,
            "name": "X",
            "position": 0,
            "stddev": 270.3007848,
            "variance": 73062.51427
          },
          {
            "average": 2357081.528,
            "count": 516778,
            "maximum": 2357157.559,
            "minimum": 2356998.439,
            "name": "Y",
            "position": 1,
            "stddev": 41.24078849,
            "variance": 1700.802635
          },
          {
            "average": 8.14167352,
            "count": 516778,
            "maximum": 17.04040799,
            "minimum": 1.120407986,
            "name": "Z",
            "position": 2,
            "stddev": 3.065025978,
            "variance": 9.394384244
          },
          {
            "average": 30.00747903,
            "count": 516778,
            "maximum": 739,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 44.97568389,
            "variance": 2022.812142
          },
          {
            "average": 1.233415509,
            "count": 516778,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5571822562,
            "variance": 0.3104520666
          },
          {
            "average": 1.43086393,
            "count": 516778,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7914045934,
            "variance": 0.6263212304
          },
          {
            "average": 1,
            "count": 516778,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 516778,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.350233563,
            "count": 516778,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4770434515,
            "variance": 0.2275704546
          },
          {
            "average": 0,
            "count": 516778,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.22873458,
            "count": 516778,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.8051216,
            "variance": 4071.093542
          },
          {
            "average": 2,
            "count": 516778,
            "maximum": 2,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63359378.9,
            "count": 516778,
            "maximum": 63359388.27,
            "minimum": 63359368.68,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.366627964,
            "variance": 19.06743977
          },
          {
            "average": 0,
            "count": 516778,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 516778,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 516778,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 516778,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 516778,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          600999.701,
          2356998.439,
          1.120407986,
          601999.701,
          2357157.559,
          17.04040799
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                600999.7010324858,
                2356998.4390438185,
                1.120407985823845
              ],
              [
                600999.7010324858,
                2357157.5590438186,
                1.120407985823845
              ],
              [
                601999.7010324858,
                2357157.5590438186,
                17.040407985823844
              ],
              [
                601999.7010324858,
                2356998.4390438185,
                17.040407985823844
              ],
              [
                600999.7010324858,
                2356998.4390438185,
                1.120407985823845
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:36:28+00:00",
        "end_time": "2013-09-16T09:36:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0157.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0157.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0157.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0157.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.02618,
            21.31201889,
            1.120407986,
            -158.0165297,
            21.31351247,
            17.04040799
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.02617999834172,
                  21.312074976321718,
                  1.120407985823845
                ],
                [
                  -158.02617052124592,
                  21.313512465957615,
                  1.120407985823845
                ],
                [
                  -158.0165296699227,
                  21.31345637086346,
                  17.040407985823844
                ],
                [
                  -158.0165392406943,
                  21.312018885512142,
                  17.040407985823844
                ],
                [
                  -158.02617999834172,
                  21.312074976321718,
                  1.120407985823845
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0157.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0157.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:36:28Z",
            "pc:count": 516778,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 601536.4743,
                "count": 516778,
                "maximum": 601999.701,
                "minimum": 600999.701,
                "name": "X",
                "position": 0,
                "stddev": 270.3007848,
                "variance": 73062.51427
              },
              {
                "average": 2357081.528,
                "count": 516778,
                "maximum": 2357157.559,
                "minimum": 2356998.439,
                "name": "Y",
                "position": 1,
                "stddev": 41.24078849,
                "variance": 1700.802635
              },
              {
                "average": 8.14167352,
                "count": 516778,
                "maximum": 17.04040799,
                "minimum": 1.120407986,
                "name": "Z",
                "position": 2,
                "stddev": 3.065025978,
                "variance": 9.394384244
              },
              {
                "average": 30.00747903,
                "count": 516778,
                "maximum": 739,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 44.97568389,
                "variance": 2022.812142
              },
              {
                "average": 1.233415509,
                "count": 516778,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5571822562,
                "variance": 0.3104520666
              },
              {
                "average": 1.43086393,
                "count": 516778,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7914045934,
                "variance": 0.6263212304
              },
              {
                "average": 1,
                "count": 516778,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 516778,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.350233563,
                "count": 516778,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4770434515,
                "variance": 0.2275704546
              },
              {
                "average": 0,
                "count": 516778,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.22873458,
                "count": 516778,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.8051216,
                "variance": 4071.093542
              },
              {
                "average": 2,
                "count": 516778,
                "maximum": 2,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63359378.9,
                "count": 516778,
                "maximum": 63359388.27,
                "minimum": 63359368.68,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.366627964,
                "variance": 19.06743977
              },
              {
                "average": 0,
                "count": 516778,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 516778,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 516778,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 516778,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 516778,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              600999.701,
              2356998.439,
              1.120407986,
              601999.701,
              2357157.559,
              17.04040799
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    600999.7010324858,
                    2356998.4390438185,
                    1.120407985823845
                  ],
                  [
                    600999.7010324858,
                    2357157.5590438186,
                    1.120407985823845
                  ],
                  [
                    601999.7010324858,
                    2357157.5590438186,
                    17.040407985823844
                  ],
                  [
                    601999.7010324858,
                    2356998.4390438185,
                    17.040407985823844
                  ],
                  [
                    600999.7010324858,
                    2356998.4390438185,
                    1.120407985823845
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:36:28+00:00",
            "end_time": "2013-09-16T09:36:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130911_ncmp_hi_oahu_4qej9691.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.07240090537712,
              21.62602226785304,
              7.847806216328904
            ],
            [
              -158.07238486429674,
              21.628536189175186,
              7.847806216328904
            ],
            [
              -158.07034256793918,
              21.628524780085087,
              39.1878062163289
            ],
            [
              -158.0703586444296,
              21.626010860185996,
              39.1878062163289
            ],
            [
              -158.07240090537712,
              21.62602226785304,
              7.847806216328904
            ]
          ]
        ]
      },
      "bbox": [
        -158.0724009,
        21.62601086,
        7.847806216,
        -158.0703426,
        21.62853619,
        39.18780622
      ],
      "properties": {
        "datetime": "2013-09-22T23:57:47Z",
        "pc:count": 418115,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 596064.2076,
            "count": 418115,
            "maximum": 596211.0277,
            "minimum": 595999.6477,
            "name": "X",
            "position": 0,
            "stddev": 50.04958445,
            "variance": 2504.960903
          },
          {
            "average": 2391890.465,
            "count": 418115,
            "maximum": 2391998.485,
            "minimum": 2391720.205,
            "name": "Y",
            "position": 1,
            "stddev": 67.20326503,
            "variance": 4516.27883
          },
          {
            "average": 19.96177914,
            "count": 418115,
            "maximum": 39.18780622,
            "minimum": 7.847806216,
            "name": "Z",
            "position": 2,
            "stddev": 6.013247616,
            "variance": 36.15914689
          },
          {
            "average": 11.11486792,
            "count": 418115,
            "maximum": 953,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.52871652,
            "variance": 651.7153674
          },
          {
            "average": 1.993102376,
            "count": 418115,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.133217157,
            "variance": 1.284181126
          },
          {
            "average": 2.978859883,
            "count": 418115,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.503287082,
            "variance": 2.25987205
          },
          {
            "average": 1,
            "count": 418115,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 418115,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.082749961,
            "count": 418115,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2755042406,
            "variance": 0.0759025866
          },
          {
            "average": 18.26045381,
            "count": 418115,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.833387902,
            "variance": 8.028087006
          },
          {
            "average": 91.01375698,
            "count": 418115,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.58857871,
            "variance": 4568.215972
          },
          {
            "average": 2.559982302,
            "count": 418115,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.950998085,
            "variance": 3.806393529
          },
          {
            "average": 63225275.14,
            "count": 418115,
            "maximum": 63929467.79,
            "minimum": 62967802.49,
            "name": "GpsTime",
            "position": 12,
            "stddev": 332961.1292,
            "variance": 110863113600.0
          },
          {
            "average": 0,
            "count": 418115,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 418115,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 418115,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 418115,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 418115,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          595999.6477,
          2391720.205,
          7.847806216,
          596211.0277,
          2391998.485,
          39.18780622
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                595999.6476813068,
                2391720.2050613244,
                7.847806216328904
              ],
              [
                595999.6476813068,
                2391998.4850613247,
                7.847806216328904
              ],
              [
                596211.0276813067,
                2391998.4850613247,
                39.1878062163289
              ],
              [
                596211.0276813067,
                2391720.2050613244,
                39.1878062163289
              ],
              [
                595999.6476813068,
                2391720.2050613244,
                7.847806216328904
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:57:47+00:00",
        "end_time": "2013-09-11T20:50:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130911_ncmp_hi_oahu_4qej9691.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130911_ncmp_hi_oahu_4qej9691.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130911_ncmp_hi_oahu_4qej9691.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej9691.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0724009,
            21.62601086,
            7.847806216,
            -158.0703426,
            21.62853619,
            39.18780622
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.07240090537712,
                  21.62602226785304,
                  7.847806216328904
                ],
                [
                  -158.07238486429674,
                  21.628536189175186,
                  7.847806216328904
                ],
                [
                  -158.07034256793918,
                  21.628524780085087,
                  39.1878062163289
                ],
                [
                  -158.0703586444296,
                  21.626010860185996,
                  39.1878062163289
                ],
                [
                  -158.07240090537712,
                  21.62602226785304,
                  7.847806216328904
                ]
              ]
            ]
          },
          "id": "20130911_ncmp_hi_oahu_4qej9691.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130911_ncmp_hi_oahu_4qej9691.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:57:47Z",
            "pc:count": 418115,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 596064.2076,
                "count": 418115,
                "maximum": 596211.0277,
                "minimum": 595999.6477,
                "name": "X",
                "position": 0,
                "stddev": 50.04958445,
                "variance": 2504.960903
              },
              {
                "average": 2391890.465,
                "count": 418115,
                "maximum": 2391998.485,
                "minimum": 2391720.205,
                "name": "Y",
                "position": 1,
                "stddev": 67.20326503,
                "variance": 4516.27883
              },
              {
                "average": 19.96177914,
                "count": 418115,
                "maximum": 39.18780622,
                "minimum": 7.847806216,
                "name": "Z",
                "position": 2,
                "stddev": 6.013247616,
                "variance": 36.15914689
              },
              {
                "average": 11.11486792,
                "count": 418115,
                "maximum": 953,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.52871652,
                "variance": 651.7153674
              },
              {
                "average": 1.993102376,
                "count": 418115,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.133217157,
                "variance": 1.284181126
              },
              {
                "average": 2.978859883,
                "count": 418115,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.503287082,
                "variance": 2.25987205
              },
              {
                "average": 1,
                "count": 418115,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 418115,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.082749961,
                "count": 418115,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2755042406,
                "variance": 0.0759025866
              },
              {
                "average": 18.26045381,
                "count": 418115,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.833387902,
                "variance": 8.028087006
              },
              {
                "average": 91.01375698,
                "count": 418115,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.58857871,
                "variance": 4568.215972
              },
              {
                "average": 2.559982302,
                "count": 418115,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.950998085,
                "variance": 3.806393529
              },
              {
                "average": 63225275.14,
                "count": 418115,
                "maximum": 63929467.79,
                "minimum": 62967802.49,
                "name": "GpsTime",
                "position": 12,
                "stddev": 332961.1292,
                "variance": 110863113600.0
              },
              {
                "average": 0,
                "count": 418115,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 418115,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 418115,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 418115,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 418115,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              595999.6477,
              2391720.205,
              7.847806216,
              596211.0277,
              2391998.485,
              39.18780622
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    595999.6476813068,
                    2391720.2050613244,
                    7.847806216328904
                  ],
                  [
                    595999.6476813068,
                    2391998.4850613247,
                    7.847806216328904
                  ],
                  [
                    596211.0276813067,
                    2391998.4850613247,
                    39.1878062163289
                  ],
                  [
                    596211.0276813067,
                    2391720.2050613244,
                    39.1878062163289
                  ],
                  [
                    595999.6476813068,
                    2391720.2050613244,
                    7.847806216328904
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:57:47+00:00",
            "end_time": "2013-09-11T20:50:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8385.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1982912109154,
              21.574614868172123,
              1.683517014501529
            ],
            [
              -158.19828917728688,
              21.57498472576284,
              1.683517014501529
            ],
            [
              -158.1886308554361,
              21.57493796525899,
              23.42351701450153
            ],
            [
              -158.18863291372224,
              21.57456810851028,
              23.42351701450153
            ],
            [
              -158.1982912109154,
              21.574614868172123,
              1.683517014501529
            ]
          ]
        ]
      },
      "bbox": [
        -158.1982912,
        21.57456811,
        1.683517015,
        -158.1886309,
        21.57498473,
        23.42351701
      ],
      "properties": {
        "datetime": "2013-09-11T20:42:32Z",
        "pc:count": 429740,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583407.6321,
            "count": 429740,
            "maximum": 583999.5905,
            "minimum": 582999.6105,
            "name": "X",
            "position": 0,
            "stddev": 273.0620525,
            "variance": 74562.88452
          },
          {
            "average": 2385985.309,
            "count": 429740,
            "maximum": 2385998.466,
            "minimum": 2385957.526,
            "name": "Y",
            "position": 1,
            "stddev": 9.378863576,
            "variance": 87.96308198
          },
          {
            "average": 6.525288458,
            "count": 429740,
            "maximum": 23.42351701,
            "minimum": 1.683517015,
            "name": "Z",
            "position": 2,
            "stddev": 3.921609818,
            "variance": 15.37902357
          },
          {
            "average": 11.87677433,
            "count": 429740,
            "maximum": 210,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.68758224,
            "variance": 427.9760589
          },
          {
            "average": 1.834879229,
            "count": 429740,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.121025479,
            "variance": 1.256698124
          },
          {
            "average": 2.621422255,
            "count": 429740,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.56545023,
            "variance": 2.450634424
          },
          {
            "average": 1,
            "count": 429740,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 429740,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.13181924,
            "count": 429740,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3382945373,
            "variance": 0.1144431939
          },
          {
            "average": 19.68024685,
            "count": 429740,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.380945321,
            "variance": 1.90700998
          },
          {
            "average": 91.40620142,
            "count": 429740,
            "maximum": 203,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.65052746,
            "variance": 4442.29281
          },
          {
            "average": 2.351105319,
            "count": 429740,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.891809721,
            "variance": 3.578944022
          },
          {
            "average": 62900445,
            "count": 429740,
            "maximum": 62967352.77,
            "minimum": 62866309.32,
            "name": "GpsTime",
            "position": 12,
            "stddev": 47781.78064,
            "variance": 2283098561
          },
          {
            "average": 0,
            "count": 429740,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 429740,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 429740,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 429740,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 429740,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582999.6105,
          2385957.526,
          1.683517015,
          583999.5905,
          2385998.466,
          23.42351701
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582999.6105333868,
                2385957.5264356704,
                1.683517014501529
              ],
              [
                582999.6105333868,
                2385998.466435671,
                1.683517014501529
              ],
              [
                583999.5905333868,
                2385998.466435671,
                23.42351701450153
              ],
              [
                583999.5905333868,
                2385957.5264356704,
                23.42351701450153
              ],
              [
                582999.6105333868,
                2385957.5264356704,
                1.683517014501529
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:42:32+00:00",
        "end_time": "2013-09-10T16:38:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8385.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8385.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8385.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8385.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1982912,
            21.57456811,
            1.683517015,
            -158.1886309,
            21.57498473,
            23.42351701
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1982912109154,
                  21.574614868172123,
                  1.683517014501529
                ],
                [
                  -158.19828917728688,
                  21.57498472576284,
                  1.683517014501529
                ],
                [
                  -158.1886308554361,
                  21.57493796525899,
                  23.42351701450153
                ],
                [
                  -158.18863291372224,
                  21.57456810851028,
                  23.42351701450153
                ],
                [
                  -158.1982912109154,
                  21.574614868172123,
                  1.683517014501529
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8385.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8385.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:42:32Z",
            "pc:count": 429740,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583407.6321,
                "count": 429740,
                "maximum": 583999.5905,
                "minimum": 582999.6105,
                "name": "X",
                "position": 0,
                "stddev": 273.0620525,
                "variance": 74562.88452
              },
              {
                "average": 2385985.309,
                "count": 429740,
                "maximum": 2385998.466,
                "minimum": 2385957.526,
                "name": "Y",
                "position": 1,
                "stddev": 9.378863576,
                "variance": 87.96308198
              },
              {
                "average": 6.525288458,
                "count": 429740,
                "maximum": 23.42351701,
                "minimum": 1.683517015,
                "name": "Z",
                "position": 2,
                "stddev": 3.921609818,
                "variance": 15.37902357
              },
              {
                "average": 11.87677433,
                "count": 429740,
                "maximum": 210,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.68758224,
                "variance": 427.9760589
              },
              {
                "average": 1.834879229,
                "count": 429740,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.121025479,
                "variance": 1.256698124
              },
              {
                "average": 2.621422255,
                "count": 429740,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.56545023,
                "variance": 2.450634424
              },
              {
                "average": 1,
                "count": 429740,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 429740,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.13181924,
                "count": 429740,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3382945373,
                "variance": 0.1144431939
              },
              {
                "average": 19.68024685,
                "count": 429740,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.380945321,
                "variance": 1.90700998
              },
              {
                "average": 91.40620142,
                "count": 429740,
                "maximum": 203,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.65052746,
                "variance": 4442.29281
              },
              {
                "average": 2.351105319,
                "count": 429740,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.891809721,
                "variance": 3.578944022
              },
              {
                "average": 62900445,
                "count": 429740,
                "maximum": 62967352.77,
                "minimum": 62866309.32,
                "name": "GpsTime",
                "position": 12,
                "stddev": 47781.78064,
                "variance": 2283098561
              },
              {
                "average": 0,
                "count": 429740,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 429740,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 429740,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 429740,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 429740,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582999.6105,
              2385957.526,
              1.683517015,
              583999.5905,
              2385998.466,
              23.42351701
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582999.6105333868,
                    2385957.5264356704,
                    1.683517014501529
                  ],
                  [
                    582999.6105333868,
                    2385998.466435671,
                    1.683517014501529
                  ],
                  [
                    583999.5905333868,
                    2385998.466435671,
                    23.42351701450153
                  ],
                  [
                    583999.5905333868,
                    2385957.5264356704,
                    23.42351701450153
                  ],
                  [
                    582999.6105333868,
                    2385957.5264356704,
                    1.683517014501529
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:42:32+00:00",
            "end_time": "2013-09-10T16:38:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8887.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14994403219228,
              21.58377930394361,
              -25.485938309027148
            ],
            [
              -158.14989129494109,
              21.59281350376416,
              -25.485938309027148
            ],
            [
              -158.14023170357143,
              21.59276389895645,
              0.614061690972854
            ],
            [
              -158.14028504133546,
              21.583729721327483,
              0.614061690972854
            ],
            [
              -158.14994403219228,
              21.58377930394361,
              -25.485938309027148
            ]
          ]
        ]
      },
      "bbox": [
        -158.149944,
        21.58372972,
        -25.48593831,
        -158.1402317,
        21.5928135,
        0.614061691
      ],
      "properties": {
        "datetime": "2013-09-10T17:55:33Z",
        "pc:count": 3071702,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588527.6865,
            "count": 3071702,
            "maximum": 588999.6139,
            "minimum": 587999.6139,
            "name": "X",
            "position": 0,
            "stddev": 282.714721,
            "variance": 79927.61349
          },
          {
            "average": 2387449.914,
            "count": 3071702,
            "maximum": 2387998.48,
            "minimum": 2386998.46,
            "name": "Y",
            "position": 1,
            "stddev": 272.8739634,
            "variance": 74460.19991
          },
          {
            "average": -5.373747878,
            "count": 3071702,
            "maximum": 0.614061691,
            "minimum": -25.48593831,
            "name": "Z",
            "position": 2,
            "stddev": 3.721665701,
            "variance": 13.85079559
          },
          {
            "average": 8.714767578,
            "count": 3071702,
            "maximum": 1040,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.47345082,
            "variance": 598.9497952
          },
          {
            "average": 1.041325949,
            "count": 3071702,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2038779882,
            "variance": 0.04156623406
          },
          {
            "average": 1.05437995,
            "count": 3071702,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2354240408,
            "variance": 0.05542447901
          },
          {
            "average": 1,
            "count": 3071702,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3071702,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3071702,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.86167091,
            "count": 3071702,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.211840304,
            "variance": 84.85800178
          },
          {
            "average": 96.31060402,
            "count": 3071702,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.34067729,
            "variance": 5981.580363
          },
          {
            "average": 6.932187107,
            "count": 3071702,
            "maximum": 10,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.521684606,
            "variance": 2.315524039
          },
          {
            "average": 62869457.73,
            "count": 3071702,
            "maximum": 62870933.21,
            "minimum": 62867750.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 832.4964299,
            "variance": 693050.3059
          },
          {
            "average": 0,
            "count": 3071702,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3071702,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3071702,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3071702,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3071702,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          587999.6139,
          2386998.46,
          -25.48593831,
          588999.6139,
          2387998.48,
          0.614061691
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                587999.6138537664,
                2386998.459775704,
                -25.485938309027148
              ],
              [
                587999.6138537664,
                2387998.4797757035,
                -25.485938309027148
              ],
              [
                588999.6138537664,
                2387998.4797757035,
                0.614061690972854
              ],
              [
                588999.6138537664,
                2386998.459775704,
                0.614061690972854
              ],
              [
                587999.6138537664,
                2386998.459775704,
                -25.485938309027148
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:55:33+00:00",
        "end_time": "2013-09-10T17:02:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8887.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8887.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8887.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8887.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.149944,
            21.58372972,
            -25.48593831,
            -158.1402317,
            21.5928135,
            0.614061691
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14994403219228,
                  21.58377930394361,
                  -25.485938309027148
                ],
                [
                  -158.14989129494109,
                  21.59281350376416,
                  -25.485938309027148
                ],
                [
                  -158.14023170357143,
                  21.59276389895645,
                  0.614061690972854
                ],
                [
                  -158.14028504133546,
                  21.583729721327483,
                  0.614061690972854
                ],
                [
                  -158.14994403219228,
                  21.58377930394361,
                  -25.485938309027148
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8887.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8887.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:55:33Z",
            "pc:count": 3071702,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588527.6865,
                "count": 3071702,
                "maximum": 588999.6139,
                "minimum": 587999.6139,
                "name": "X",
                "position": 0,
                "stddev": 282.714721,
                "variance": 79927.61349
              },
              {
                "average": 2387449.914,
                "count": 3071702,
                "maximum": 2387998.48,
                "minimum": 2386998.46,
                "name": "Y",
                "position": 1,
                "stddev": 272.8739634,
                "variance": 74460.19991
              },
              {
                "average": -5.373747878,
                "count": 3071702,
                "maximum": 0.614061691,
                "minimum": -25.48593831,
                "name": "Z",
                "position": 2,
                "stddev": 3.721665701,
                "variance": 13.85079559
              },
              {
                "average": 8.714767578,
                "count": 3071702,
                "maximum": 1040,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.47345082,
                "variance": 598.9497952
              },
              {
                "average": 1.041325949,
                "count": 3071702,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2038779882,
                "variance": 0.04156623406
              },
              {
                "average": 1.05437995,
                "count": 3071702,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2354240408,
                "variance": 0.05542447901
              },
              {
                "average": 1,
                "count": 3071702,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3071702,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3071702,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.86167091,
                "count": 3071702,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.211840304,
                "variance": 84.85800178
              },
              {
                "average": 96.31060402,
                "count": 3071702,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.34067729,
                "variance": 5981.580363
              },
              {
                "average": 6.932187107,
                "count": 3071702,
                "maximum": 10,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.521684606,
                "variance": 2.315524039
              },
              {
                "average": 62869457.73,
                "count": 3071702,
                "maximum": 62870933.21,
                "minimum": 62867750.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 832.4964299,
                "variance": 693050.3059
              },
              {
                "average": 0,
                "count": 3071702,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3071702,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3071702,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3071702,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3071702,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              587999.6139,
              2386998.46,
              -25.48593831,
              588999.6139,
              2387998.48,
              0.614061691
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    587999.6138537664,
                    2386998.459775704,
                    -25.485938309027148
                  ],
                  [
                    587999.6138537664,
                    2387998.4797757035,
                    -25.485938309027148
                  ],
                  [
                    588999.6138537664,
                    2387998.4797757035,
                    0.614061690972854
                  ],
                  [
                    588999.6138537664,
                    2386998.459775704,
                    0.614061690972854
                  ],
                  [
                    587999.6138537664,
                    2386998.459775704,
                    -25.485938309027148
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:55:33+00:00",
            "end_time": "2013-09-10T17:02:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9255.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11305664013372,
              21.294486823198238,
              -7.256878480699491
            ],
            [
              -158.1130024299218,
              21.303521059068274,
              -7.256878480699491
            ],
            [
              -158.10336201293805,
              21.30346995949792,
              91.9631215193005
            ],
            [
              -158.10341681196496,
              21.294435747601682,
              91.9631215193005
            ],
            [
              -158.11305664013372,
              21.294486823198238,
              -7.256878480699491
            ]
          ]
        ]
      },
      "bbox": [
        -158.1130566,
        21.29443575,
        -7.256878481,
        -158.103362,
        21.30352106,
        91.96312152
      ],
      "properties": {
        "datetime": "2013-09-19T00:49:07Z",
        "pc:count": 9331674,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592573.728,
            "count": 9331674,
            "maximum": 592999.6734,
            "minimum": 591999.6734,
            "name": "X",
            "position": 0,
            "stddev": 260.6310913,
            "variance": 67928.56577
          },
          {
            "average": 2355512.162,
            "count": 9331674,
            "maximum": 2355998.465,
            "minimum": 2354998.465,
            "name": "Y",
            "position": 1,
            "stddev": 251.4051587,
            "variance": 63204.55383
          },
          {
            "average": 3.529929643,
            "count": 9331674,
            "maximum": 91.96312152,
            "minimum": -7.256878481,
            "name": "Z",
            "position": 2,
            "stddev": 4.594097942,
            "variance": 21.10573591
          },
          {
            "average": 32.07338705,
            "count": 9331674,
            "maximum": 8210,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 64.73479774,
            "variance": 4190.594038
          },
          {
            "average": 1.249266209,
            "count": 9331674,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.652639747,
            "variance": 0.4259386393
          },
          {
            "average": 1.490268841,
            "count": 9331674,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.005344342,
            "variance": 1.010717246
          },
          {
            "average": 1,
            "count": 9331674,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9331674,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.175231261,
            "count": 9331674,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.44610214,
            "variance": 131.0132542
          },
          {
            "average": 14.00979577,
            "count": 9331674,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.426946555,
            "variance": 88.86732136
          },
          {
            "average": 91.83582828,
            "count": 9331674,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.36966071,
            "variance": 4404.931862
          },
          {
            "average": 6.645239964,
            "count": 9331674,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.428507195,
            "variance": 11.75466158
          },
          {
            "average": 63290513.63,
            "count": 9331674,
            "maximum": 63586947.52,
            "minimum": 62722669.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 346797.0669,
            "variance": 120268205600.0
          },
          {
            "average": 0,
            "count": 9331674,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9331674,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9331674,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9331674,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9331674,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.6734,
          2354998.465,
          -7.256878481,
          592999.6734,
          2355998.465,
          91.96312152
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.6734211417,
                2354998.4646989014,
                -7.256878480699491
              ],
              [
                591999.6734211417,
                2355998.4646989014,
                -7.256878480699491
              ],
              [
                592999.6734211417,
                2355998.4646989014,
                91.9631215193005
              ],
              [
                592999.6734211417,
                2354998.4646989014,
                91.9631215193005
              ],
              [
                591999.6734211417,
                2354998.4646989014,
                -7.256878480699491
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:49:07+00:00",
        "end_time": "2013-09-09T00:44:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9255.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9255.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9255.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9255.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1130566,
            21.29443575,
            -7.256878481,
            -158.103362,
            21.30352106,
            91.96312152
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11305664013372,
                  21.294486823198238,
                  -7.256878480699491
                ],
                [
                  -158.1130024299218,
                  21.303521059068274,
                  -7.256878480699491
                ],
                [
                  -158.10336201293805,
                  21.30346995949792,
                  91.9631215193005
                ],
                [
                  -158.10341681196496,
                  21.294435747601682,
                  91.9631215193005
                ],
                [
                  -158.11305664013372,
                  21.294486823198238,
                  -7.256878480699491
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9255.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9255.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:49:07Z",
            "pc:count": 9331674,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592573.728,
                "count": 9331674,
                "maximum": 592999.6734,
                "minimum": 591999.6734,
                "name": "X",
                "position": 0,
                "stddev": 260.6310913,
                "variance": 67928.56577
              },
              {
                "average": 2355512.162,
                "count": 9331674,
                "maximum": 2355998.465,
                "minimum": 2354998.465,
                "name": "Y",
                "position": 1,
                "stddev": 251.4051587,
                "variance": 63204.55383
              },
              {
                "average": 3.529929643,
                "count": 9331674,
                "maximum": 91.96312152,
                "minimum": -7.256878481,
                "name": "Z",
                "position": 2,
                "stddev": 4.594097942,
                "variance": 21.10573591
              },
              {
                "average": 32.07338705,
                "count": 9331674,
                "maximum": 8210,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 64.73479774,
                "variance": 4190.594038
              },
              {
                "average": 1.249266209,
                "count": 9331674,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.652639747,
                "variance": 0.4259386393
              },
              {
                "average": 1.490268841,
                "count": 9331674,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.005344342,
                "variance": 1.010717246
              },
              {
                "average": 1,
                "count": 9331674,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9331674,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.175231261,
                "count": 9331674,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.44610214,
                "variance": 131.0132542
              },
              {
                "average": 14.00979577,
                "count": 9331674,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.426946555,
                "variance": 88.86732136
              },
              {
                "average": 91.83582828,
                "count": 9331674,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.36966071,
                "variance": 4404.931862
              },
              {
                "average": 6.645239964,
                "count": 9331674,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.428507195,
                "variance": 11.75466158
              },
              {
                "average": 63290513.63,
                "count": 9331674,
                "maximum": 63586947.52,
                "minimum": 62722669.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 346797.0669,
                "variance": 120268205600.0
              },
              {
                "average": 0,
                "count": 9331674,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9331674,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9331674,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9331674,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9331674,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.6734,
              2354998.465,
              -7.256878481,
              592999.6734,
              2355998.465,
              91.96312152
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.6734211417,
                    2354998.4646989014,
                    -7.256878480699491
                  ],
                  [
                    591999.6734211417,
                    2355998.4646989014,
                    -7.256878480699491
                  ],
                  [
                    592999.6734211417,
                    2355998.4646989014,
                    91.9631215193005
                  ],
                  [
                    592999.6734211417,
                    2354998.4646989014,
                    91.9631215193005
                  ],
                  [
                    591999.6734211417,
                    2354998.4646989014,
                    -7.256878480699491
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:49:07+00:00",
            "end_time": "2013-09-09T00:44:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0556.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.98767891885458,
              21.30281346916748,
              -6.311461304324748
            ],
            [
              -157.98761701942746,
              21.31184736712354,
              -6.311461304324748
            ],
            [
              -157.9779764198069,
              21.311789081557034,
              -0.391461304324748
            ],
            [
              -157.9780389092673,
              21.302755209625122,
              -0.391461304324748
            ],
            [
              -157.98767891885458,
              21.30281346916748,
              -6.311461304324748
            ]
          ]
        ]
      },
      "bbox": [
        -157.9876789,
        21.30275521,
        -6.311461304,
        -157.9779764,
        21.31184737,
        -0.3914613043
      ],
      "properties": {
        "datetime": "2013-09-16T11:37:18Z",
        "pc:count": 4069419,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 605498.5818,
            "count": 4069419,
            "maximum": 605999.723,
            "minimum": 604999.723,
            "name": "X",
            "position": 0,
            "stddev": 293.5034493,
            "variance": 86144.27473
          },
          {
            "average": 2356479.742,
            "count": 4069419,
            "maximum": 2356998.444,
            "minimum": 2355998.444,
            "name": "Y",
            "position": 1,
            "stddev": 290.0837816,
            "variance": 84148.60035
          },
          {
            "average": -3.021659861,
            "count": 4069419,
            "maximum": -0.3914613043,
            "minimum": -6.311461304,
            "name": "Z",
            "position": 2,
            "stddev": 0.7541646389,
            "variance": 0.5687643026
          },
          {
            "average": 4.935416825,
            "count": 4069419,
            "maximum": 100,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 10.9388666,
            "variance": 119.6588024
          },
          {
            "average": 1.004743429,
            "count": 4069419,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06895892235,
            "variance": 0.004755332972
          },
          {
            "average": 1.008484258,
            "count": 4069419,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09214081422,
            "variance": 0.008489929645
          },
          {
            "average": 1,
            "count": 4069419,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4069419,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4069419,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4069419,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 89.71902525,
            "count": 4069419,
            "maximum": 250,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 68.62116386,
            "variance": 4708.86413
          },
          {
            "average": 6.777337011,
            "count": 4069419,
            "maximum": 11,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.157828897,
            "variance": 4.656225549
          },
          {
            "average": 63362938.35,
            "count": 4069419,
            "maximum": 63366638.03,
            "minimum": 63359981.25,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1901.22158,
            "variance": 3614643.495
          },
          {
            "average": 0,
            "count": 4069419,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4069419,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4069419,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4069419,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4069419,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          604999.723,
          2355998.444,
          -6.311461304,
          605999.723,
          2356998.444,
          -0.3914613043
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                604999.7230154837,
                2355998.444180494,
                -6.311461304324748
              ],
              [
                604999.7230154837,
                2356998.444180494,
                -6.311461304324748
              ],
              [
                605999.7230154837,
                2356998.444180494,
                -0.391461304324748
              ],
              [
                605999.7230154837,
                2355998.444180494,
                -0.391461304324748
              ],
              [
                604999.7230154837,
                2355998.444180494,
                -6.311461304324748
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:37:18+00:00",
        "end_time": "2013-09-16T09:46:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0556.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0556.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0556.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0556.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9876789,
            21.30275521,
            -6.311461304,
            -157.9779764,
            21.31184737,
            -0.3914613043
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.98767891885458,
                  21.30281346916748,
                  -6.311461304324748
                ],
                [
                  -157.98761701942746,
                  21.31184736712354,
                  -6.311461304324748
                ],
                [
                  -157.9779764198069,
                  21.311789081557034,
                  -0.391461304324748
                ],
                [
                  -157.9780389092673,
                  21.302755209625122,
                  -0.391461304324748
                ],
                [
                  -157.98767891885458,
                  21.30281346916748,
                  -6.311461304324748
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0556.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0556.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:37:18Z",
            "pc:count": 4069419,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 605498.5818,
                "count": 4069419,
                "maximum": 605999.723,
                "minimum": 604999.723,
                "name": "X",
                "position": 0,
                "stddev": 293.5034493,
                "variance": 86144.27473
              },
              {
                "average": 2356479.742,
                "count": 4069419,
                "maximum": 2356998.444,
                "minimum": 2355998.444,
                "name": "Y",
                "position": 1,
                "stddev": 290.0837816,
                "variance": 84148.60035
              },
              {
                "average": -3.021659861,
                "count": 4069419,
                "maximum": -0.3914613043,
                "minimum": -6.311461304,
                "name": "Z",
                "position": 2,
                "stddev": 0.7541646389,
                "variance": 0.5687643026
              },
              {
                "average": 4.935416825,
                "count": 4069419,
                "maximum": 100,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 10.9388666,
                "variance": 119.6588024
              },
              {
                "average": 1.004743429,
                "count": 4069419,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06895892235,
                "variance": 0.004755332972
              },
              {
                "average": 1.008484258,
                "count": 4069419,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09214081422,
                "variance": 0.008489929645
              },
              {
                "average": 1,
                "count": 4069419,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4069419,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4069419,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4069419,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 89.71902525,
                "count": 4069419,
                "maximum": 250,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 68.62116386,
                "variance": 4708.86413
              },
              {
                "average": 6.777337011,
                "count": 4069419,
                "maximum": 11,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.157828897,
                "variance": 4.656225549
              },
              {
                "average": 63362938.35,
                "count": 4069419,
                "maximum": 63366638.03,
                "minimum": 63359981.25,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1901.22158,
                "variance": 3614643.495
              },
              {
                "average": 0,
                "count": 4069419,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4069419,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4069419,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4069419,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4069419,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              604999.723,
              2355998.444,
              -6.311461304,
              605999.723,
              2356998.444,
              -0.3914613043
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    604999.7230154837,
                    2355998.444180494,
                    -6.311461304324748
                  ],
                  [
                    604999.7230154837,
                    2356998.444180494,
                    -6.311461304324748
                  ],
                  [
                    605999.7230154837,
                    2356998.444180494,
                    -0.391461304324748
                  ],
                  [
                    605999.7230154837,
                    2355998.444180494,
                    -0.391461304324748
                  ],
                  [
                    604999.7230154837,
                    2355998.444180494,
                    -6.311461304324748
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:37:18+00:00",
            "end_time": "2013-09-16T09:46:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfj0198.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.02368771194125,
              21.686059346468852,
              -1.261534296744376
            ],
            [
              -158.02365108829343,
              21.691495037621824,
              -1.261534296744376
            ],
            [
              -158.01398532081922,
              21.691437852453024,
              32.15846570325563
            ],
            [
              -158.01402230746902,
              21.68600217688794,
              32.15846570325563
            ],
            [
              -158.02368771194125,
              21.686059346468852,
              -1.261534296744376
            ]
          ]
        ]
      },
      "bbox": [
        -158.0236877,
        21.68600218,
        -1.261534297,
        -158.0139853,
        21.69149504,
        32.1584657
      ],
      "properties": {
        "datetime": "2013-09-23T00:47:14Z",
        "pc:count": 3423129,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 601260.6228,
            "count": 3423129,
            "maximum": 601999.6667,
            "minimum": 600999.6667,
            "name": "X",
            "position": 0,
            "stddev": 197.0461776,
            "variance": 38827.19612
          },
          {
            "average": 2398819.487,
            "count": 3423129,
            "maximum": 2398998.496,
            "minimum": 2398396.776,
            "name": "Y",
            "position": 1,
            "stddev": 124.7973921,
            "variance": 15574.38908
          },
          {
            "average": 9.772581704,
            "count": 3423129,
            "maximum": 32.1584657,
            "minimum": -1.261534297,
            "name": "Z",
            "position": 2,
            "stddev": 4.219176337,
            "variance": 17.80144896
          },
          {
            "average": 8.989287287,
            "count": 3423129,
            "maximum": 952,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.39972433,
            "variance": 416.1487529
          },
          {
            "average": 1.914673972,
            "count": 3423129,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.064523494,
            "variance": 1.133210269
          },
          {
            "average": 2.710663548,
            "count": 3423129,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.373822198,
            "variance": 1.887387431
          },
          {
            "average": 1,
            "count": 3423129,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3423129,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.605571102,
            "count": 3423129,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.766637785,
            "variance": 14.18756021
          },
          {
            "average": 20.37086648,
            "count": 3423129,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.097269104,
            "variance": 4.398537693
          },
          {
            "average": 92.69281672,
            "count": 3423129,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.69842156,
            "variance": 4316.282596
          },
          {
            "average": 11.85981451,
            "count": 3423129,
            "maximum": 15,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.055470364,
            "variance": 9.335899146
          },
          {
            "average": 63392282.72,
            "count": 3423129,
            "maximum": 63932434.74,
            "minimum": 62798424.08,
            "name": "GpsTime",
            "position": 12,
            "stddev": 566019.9751,
            "variance": 320378612200.0
          },
          {
            "average": 0,
            "count": 3423129,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3423129,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3423129,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3423129,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3423129,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          600999.6667,
          2398396.776,
          -1.261534297,
          601999.6667,
          2398998.496,
          32.1584657
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                600999.6666572877,
                2398396.7759327753,
                -1.261534296744376
              ],
              [
                600999.6666572877,
                2398998.495932775,
                -1.261534296744376
              ],
              [
                601999.6666572877,
                2398998.495932775,
                32.15846570325563
              ],
              [
                601999.6666572877,
                2398396.7759327753,
                32.15846570325563
              ],
              [
                600999.6666572877,
                2398396.7759327753,
                -1.261534296744376
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:47:14+00:00",
        "end_time": "2013-09-09T21:47:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfj0198.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfj0198.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfj0198.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0198.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0236877,
            21.68600218,
            -1.261534297,
            -158.0139853,
            21.69149504,
            32.1584657
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.02368771194125,
                  21.686059346468852,
                  -1.261534296744376
                ],
                [
                  -158.02365108829343,
                  21.691495037621824,
                  -1.261534296744376
                ],
                [
                  -158.01398532081922,
                  21.691437852453024,
                  32.15846570325563
                ],
                [
                  -158.01402230746902,
                  21.68600217688794,
                  32.15846570325563
                ],
                [
                  -158.02368771194125,
                  21.686059346468852,
                  -1.261534296744376
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfj0198.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0198.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:47:14Z",
            "pc:count": 3423129,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 601260.6228,
                "count": 3423129,
                "maximum": 601999.6667,
                "minimum": 600999.6667,
                "name": "X",
                "position": 0,
                "stddev": 197.0461776,
                "variance": 38827.19612
              },
              {
                "average": 2398819.487,
                "count": 3423129,
                "maximum": 2398998.496,
                "minimum": 2398396.776,
                "name": "Y",
                "position": 1,
                "stddev": 124.7973921,
                "variance": 15574.38908
              },
              {
                "average": 9.772581704,
                "count": 3423129,
                "maximum": 32.1584657,
                "minimum": -1.261534297,
                "name": "Z",
                "position": 2,
                "stddev": 4.219176337,
                "variance": 17.80144896
              },
              {
                "average": 8.989287287,
                "count": 3423129,
                "maximum": 952,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.39972433,
                "variance": 416.1487529
              },
              {
                "average": 1.914673972,
                "count": 3423129,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.064523494,
                "variance": 1.133210269
              },
              {
                "average": 2.710663548,
                "count": 3423129,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.373822198,
                "variance": 1.887387431
              },
              {
                "average": 1,
                "count": 3423129,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3423129,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.605571102,
                "count": 3423129,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.766637785,
                "variance": 14.18756021
              },
              {
                "average": 20.37086648,
                "count": 3423129,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.097269104,
                "variance": 4.398537693
              },
              {
                "average": 92.69281672,
                "count": 3423129,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.69842156,
                "variance": 4316.282596
              },
              {
                "average": 11.85981451,
                "count": 3423129,
                "maximum": 15,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.055470364,
                "variance": 9.335899146
              },
              {
                "average": 63392282.72,
                "count": 3423129,
                "maximum": 63932434.74,
                "minimum": 62798424.08,
                "name": "GpsTime",
                "position": 12,
                "stddev": 566019.9751,
                "variance": 320378612200.0
              },
              {
                "average": 0,
                "count": 3423129,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3423129,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3423129,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3423129,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3423129,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              600999.6667,
              2398396.776,
              -1.261534297,
              601999.6667,
              2398998.496,
              32.1584657
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    600999.6666572877,
                    2398396.7759327753,
                    -1.261534296744376
                  ],
                  [
                    600999.6666572877,
                    2398998.495932775,
                    -1.261534296744376
                  ],
                  [
                    601999.6666572877,
                    2398998.495932775,
                    32.15846570325563
                  ],
                  [
                    601999.6666572877,
                    2398396.7759327753,
                    32.15846570325563
                  ],
                  [
                    600999.6666572877,
                    2398396.7759327753,
                    -1.261534296744376
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:47:14+00:00",
            "end_time": "2013-09-09T21:47:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8888.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1498913194103,
              21.59281343217795,
              -28.817662917867203
            ],
            [
              -158.14987992211707,
              21.594765320919993,
              -28.817662917867203
            ],
            [
              -158.14022020108632,
              21.59471571128994,
              -8.157662917867205
            ],
            [
              -158.1402317280453,
              21.59276382737181,
              -8.157662917867205
            ],
            [
              -158.1498913194103,
              21.59281343217795,
              -28.817662917867203
            ]
          ]
        ]
      },
      "bbox": [
        -158.1498913,
        21.59276383,
        -28.81766292,
        -158.1402202,
        21.59476532,
        -8.157662918
      ],
      "properties": {
        "datetime": "2013-09-10T17:55:33Z",
        "pc:count": 168951,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 588645.4039,
            "count": 168951,
            "maximum": 588999.6114,
            "minimum": 587999.6114,
            "name": "X",
            "position": 0,
            "stddev": 267.5468633,
            "variance": 71581.32404
          },
          {
            "average": 2388092.853,
            "count": 168951,
            "maximum": 2388214.532,
            "minimum": 2387998.472,
            "name": "Y",
            "position": 1,
            "stddev": 70.04038077,
            "variance": 4905.654939
          },
          {
            "average": -15.14151119,
            "count": 168951,
            "maximum": -8.157662918,
            "minimum": -28.81766292,
            "name": "Z",
            "position": 2,
            "stddev": 6.355815795,
            "variance": 40.39639442
          },
          {
            "average": 91.36515321,
            "count": 168951,
            "maximum": 556,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 138.7504862,
            "variance": 19251.69742
          },
          {
            "average": 1.024717226,
            "count": 168951,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1641930029,
            "variance": 0.0269593422
          },
          {
            "average": 1.028647359,
            "count": 168951,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1846642856,
            "variance": 0.03410089838
          },
          {
            "average": 1,
            "count": 168951,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 168951,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 168951,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.88385317,
            "count": 168951,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.17388083,
            "variance": 103.5078511
          },
          {
            "average": 169.3428805,
            "count": 168951,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 92.49516689,
            "variance": 8555.355898
          },
          {
            "average": 9.795567946,
            "count": 168951,
            "maximum": 10,
            "minimum": 9,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4032871832,
            "variance": 0.1626405521
          },
          {
            "average": 62870863.24,
            "count": 168951,
            "maximum": 62870933.21,
            "minimum": 62870625.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 116.1868291,
            "variance": 13499.37925
          },
          {
            "average": 0,
            "count": 168951,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 168951,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 168951,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 168951,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 168951,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          587999.6114,
          2387998.472,
          -28.81766292,
          588999.6114,
          2388214.532,
          -8.157662918
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                587999.6113639637,
                2387998.4718380338,
                -28.817662917867203
              ],
              [
                587999.6113639637,
                2388214.5318380333,
                -28.817662917867203
              ],
              [
                588999.6113639637,
                2388214.5318380333,
                -8.157662917867205
              ],
              [
                588999.6113639637,
                2387998.4718380338,
                -8.157662917867205
              ],
              [
                587999.6113639637,
                2387998.4718380338,
                -28.817662917867203
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:55:33+00:00",
        "end_time": "2013-09-10T17:50:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8888.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8888.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8888.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8888.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1498913,
            21.59276383,
            -28.81766292,
            -158.1402202,
            21.59476532,
            -8.157662918
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1498913194103,
                  21.59281343217795,
                  -28.817662917867203
                ],
                [
                  -158.14987992211707,
                  21.594765320919993,
                  -28.817662917867203
                ],
                [
                  -158.14022020108632,
                  21.59471571128994,
                  -8.157662917867205
                ],
                [
                  -158.1402317280453,
                  21.59276382737181,
                  -8.157662917867205
                ],
                [
                  -158.1498913194103,
                  21.59281343217795,
                  -28.817662917867203
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8888.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8888.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:55:33Z",
            "pc:count": 168951,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 588645.4039,
                "count": 168951,
                "maximum": 588999.6114,
                "minimum": 587999.6114,
                "name": "X",
                "position": 0,
                "stddev": 267.5468633,
                "variance": 71581.32404
              },
              {
                "average": 2388092.853,
                "count": 168951,
                "maximum": 2388214.532,
                "minimum": 2387998.472,
                "name": "Y",
                "position": 1,
                "stddev": 70.04038077,
                "variance": 4905.654939
              },
              {
                "average": -15.14151119,
                "count": 168951,
                "maximum": -8.157662918,
                "minimum": -28.81766292,
                "name": "Z",
                "position": 2,
                "stddev": 6.355815795,
                "variance": 40.39639442
              },
              {
                "average": 91.36515321,
                "count": 168951,
                "maximum": 556,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 138.7504862,
                "variance": 19251.69742
              },
              {
                "average": 1.024717226,
                "count": 168951,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1641930029,
                "variance": 0.0269593422
              },
              {
                "average": 1.028647359,
                "count": 168951,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1846642856,
                "variance": 0.03410089838
              },
              {
                "average": 1,
                "count": 168951,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 168951,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 168951,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.88385317,
                "count": 168951,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.17388083,
                "variance": 103.5078511
              },
              {
                "average": 169.3428805,
                "count": 168951,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 92.49516689,
                "variance": 8555.355898
              },
              {
                "average": 9.795567946,
                "count": 168951,
                "maximum": 10,
                "minimum": 9,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4032871832,
                "variance": 0.1626405521
              },
              {
                "average": 62870863.24,
                "count": 168951,
                "maximum": 62870933.21,
                "minimum": 62870625.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 116.1868291,
                "variance": 13499.37925
              },
              {
                "average": 0,
                "count": 168951,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 168951,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 168951,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 168951,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 168951,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              587999.6114,
              2387998.472,
              -28.81766292,
              588999.6114,
              2388214.532,
              -8.157662918
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    587999.6113639637,
                    2387998.4718380338,
                    -28.817662917867203
                  ],
                  [
                    587999.6113639637,
                    2388214.5318380333,
                    -28.817662917867203
                  ],
                  [
                    588999.6113639637,
                    2388214.5318380333,
                    -8.157662917867205
                  ],
                  [
                    588999.6113639637,
                    2387998.4718380338,
                    -8.157662917867205
                  ],
                  [
                    587999.6113639637,
                    2387998.4718380338,
                    -28.817662917867203
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:55:33+00:00",
            "end_time": "2013-09-10T17:50:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8957.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.13887674068494,
              21.314924428162975,
              -43.8058650086862
            ],
            [
              -158.13883709430945,
              21.321724339607105,
              -43.8058650086862
            ],
            [
              -158.13217739202574,
              21.321690101619062,
              -14.185865008686195
            ],
            [
              -158.13221734458833,
              21.31489020268325,
              -14.185865008686195
            ],
            [
              -158.13887674068494,
              21.314924428162975,
              -43.8058650086862
            ]
          ]
        ]
      },
      "bbox": [
        -158.1388767,
        21.3148902,
        -43.80586501,
        -158.1321774,
        21.32172434,
        -14.18586501
      ],
      "properties": {
        "datetime": "2013-09-11T00:36:04Z",
        "pc:count": 157020,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 589785.3854,
            "count": 157020,
            "maximum": 589999.6573,
            "minimum": 589308.9373,
            "name": "X",
            "position": 0,
            "stddev": 158.2671951,
            "variance": 25048.50503
          },
          {
            "average": 2357801.03,
            "count": 157020,
            "maximum": 2357998.465,
            "minimum": 2357245.785,
            "name": "Y",
            "position": 1,
            "stddev": 142.3117881,
            "variance": 20252.64503
          },
          {
            "average": -29.14955982,
            "count": 157020,
            "maximum": -14.18586501,
            "minimum": -43.80586501,
            "name": "Z",
            "position": 2,
            "stddev": 4.212610543,
            "variance": 17.74608759
          },
          {
            "average": 524.4055343,
            "count": 157020,
            "maximum": 3986,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 313.9694121,
            "variance": 98576.79174
          },
          {
            "average": 1.000420329,
            "count": 157020,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02080605518,
            "variance": 0.0004328919323
          },
          {
            "average": 1.00055407,
            "count": 157020,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02380133171,
            "variance": 0.000566503391
          },
          {
            "average": 1,
            "count": 157020,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 157020,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 157020,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.90596271,
            "count": 157020,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.617720429,
            "variance": 92.50054624
          },
          {
            "average": 248.9820087,
            "count": 157020,
            "maximum": 251,
            "minimum": 32,
            "name": "UserData",
            "position": 10,
            "stddev": 1.895156303,
            "variance": 3.591617412
          },
          {
            "average": 7.938332696,
            "count": 157020,
            "maximum": 10,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8371872787,
            "variance": 0.7008825397
          },
          {
            "average": 62893467.89,
            "count": 157020,
            "maximum": 62894964.36,
            "minimum": 62893038.77,
            "name": "GpsTime",
            "position": 12,
            "stddev": 432.2854691,
            "variance": 186870.7268
          },
          {
            "average": 0,
            "count": 157020,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 157020,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 157020,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 157020,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 157020,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          589308.9373,
          2357245.785,
          -43.80586501,
          589999.6573,
          2357998.465,
          -14.18586501
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                589308.9372881217,
                2357245.785234377,
                -43.8058650086862
              ],
              [
                589308.9372881217,
                2357998.4652343765,
                -43.8058650086862
              ],
              [
                589999.6572881216,
                2357998.4652343765,
                -14.185865008686195
              ],
              [
                589999.6572881216,
                2357245.785234377,
                -14.185865008686195
              ],
              [
                589308.9372881217,
                2357245.785234377,
                -43.8058650086862
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T00:36:04+00:00",
        "end_time": "2013-09-11T00:03:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8957.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8957.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8957.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8957.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1388767,
            21.3148902,
            -43.80586501,
            -158.1321774,
            21.32172434,
            -14.18586501
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.13887674068494,
                  21.314924428162975,
                  -43.8058650086862
                ],
                [
                  -158.13883709430945,
                  21.321724339607105,
                  -43.8058650086862
                ],
                [
                  -158.13217739202574,
                  21.321690101619062,
                  -14.185865008686195
                ],
                [
                  -158.13221734458833,
                  21.31489020268325,
                  -14.185865008686195
                ],
                [
                  -158.13887674068494,
                  21.314924428162975,
                  -43.8058650086862
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8957.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8957.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T00:36:04Z",
            "pc:count": 157020,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 589785.3854,
                "count": 157020,
                "maximum": 589999.6573,
                "minimum": 589308.9373,
                "name": "X",
                "position": 0,
                "stddev": 158.2671951,
                "variance": 25048.50503
              },
              {
                "average": 2357801.03,
                "count": 157020,
                "maximum": 2357998.465,
                "minimum": 2357245.785,
                "name": "Y",
                "position": 1,
                "stddev": 142.3117881,
                "variance": 20252.64503
              },
              {
                "average": -29.14955982,
                "count": 157020,
                "maximum": -14.18586501,
                "minimum": -43.80586501,
                "name": "Z",
                "position": 2,
                "stddev": 4.212610543,
                "variance": 17.74608759
              },
              {
                "average": 524.4055343,
                "count": 157020,
                "maximum": 3986,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 313.9694121,
                "variance": 98576.79174
              },
              {
                "average": 1.000420329,
                "count": 157020,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02080605518,
                "variance": 0.0004328919323
              },
              {
                "average": 1.00055407,
                "count": 157020,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02380133171,
                "variance": 0.000566503391
              },
              {
                "average": 1,
                "count": 157020,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 157020,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 157020,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.90596271,
                "count": 157020,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.617720429,
                "variance": 92.50054624
              },
              {
                "average": 248.9820087,
                "count": 157020,
                "maximum": 251,
                "minimum": 32,
                "name": "UserData",
                "position": 10,
                "stddev": 1.895156303,
                "variance": 3.591617412
              },
              {
                "average": 7.938332696,
                "count": 157020,
                "maximum": 10,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8371872787,
                "variance": 0.7008825397
              },
              {
                "average": 62893467.89,
                "count": 157020,
                "maximum": 62894964.36,
                "minimum": 62893038.77,
                "name": "GpsTime",
                "position": 12,
                "stddev": 432.2854691,
                "variance": 186870.7268
              },
              {
                "average": 0,
                "count": 157020,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 157020,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 157020,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 157020,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 157020,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              589308.9373,
              2357245.785,
              -43.80586501,
              589999.6573,
              2357998.465,
              -14.18586501
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    589308.9372881217,
                    2357245.785234377,
                    -43.8058650086862
                  ],
                  [
                    589308.9372881217,
                    2357998.4652343765,
                    -43.8058650086862
                  ],
                  [
                    589999.6572881216,
                    2357998.4652343765,
                    -14.185865008686195
                  ],
                  [
                    589999.6572881216,
                    2357245.785234377,
                    -14.185865008686195
                  ],
                  [
                    589308.9372881217,
                    2357245.785234377,
                    -43.8058650086862
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T00:36:04+00:00",
            "end_time": "2013-09-11T00:03:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9795.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.06254834823136,
              21.655583125698264,
              -20.734392467143564
            ],
            [
              -158.0624899923919,
              21.664617028602866,
              -20.734392467143564
            ],
            [
              -158.0528257073507,
              21.664562170944908,
              134.96560753285644
            ],
            [
              -158.05288466537993,
              21.655528292878767,
              134.96560753285644
            ],
            [
              -158.06254834823136,
              21.655583125698264,
              -20.734392467143564
            ]
          ]
        ]
      },
      "bbox": [
        -158.0625483,
        21.65552829,
        -20.73439247,
        -158.0528257,
        21.66461703,
        134.9656075
      ],
      "properties": {
        "datetime": "2013-09-22T23:53:47Z",
        "pc:count": 12950658,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 597534.3028,
            "count": 12950658,
            "maximum": 597999.659,
            "minimum": 596999.639,
            "name": "X",
            "position": 0,
            "stddev": 258.1633002,
            "variance": 66648.28957
          },
          {
            "average": 2395418.31,
            "count": 12950658,
            "maximum": 2395998.494,
            "minimum": 2394998.474,
            "name": "Y",
            "position": 1,
            "stddev": 278.7846843,
            "variance": 77720.9002
          },
          {
            "average": 10.96999253,
            "count": 12950658,
            "maximum": 134.9656075,
            "minimum": -20.73439247,
            "name": "Z",
            "position": 2,
            "stddev": 25.66061704,
            "variance": 658.4672667
          },
          {
            "average": 19.51368232,
            "count": 12950658,
            "maximum": 8443,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 50.05066202,
            "variance": 2505.068769
          },
          {
            "average": 1.464738626,
            "count": 12950658,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8937452028,
            "variance": 0.7987804875
          },
          {
            "average": 1.933070273,
            "count": 12950658,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.36796653,
            "variance": 1.871332426
          },
          {
            "average": 1,
            "count": 12950658,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12950658,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.34542577,
            "count": 12950658,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.68483332,
            "variance": 187.274663
          },
          {
            "average": 19.16191205,
            "count": 12950658,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.15363032,
            "variance": 26.55990547
          },
          {
            "average": 94.75844888,
            "count": 12950658,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.22591241,
            "variance": 4931.678774
          },
          {
            "average": 5.466144269,
            "count": 12950658,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.484831073,
            "variance": 6.174385463
          },
          {
            "average": 63020226.74,
            "count": 12950658,
            "maximum": 63929227.76,
            "minimum": 62796877.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 381005.2614,
            "variance": 145165009200.0
          },
          {
            "average": 0,
            "count": 12950658,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12950658,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12950658,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12950658,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12950658,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          596999.639,
          2394998.474,
          -20.73439247,
          597999.659,
          2395998.494,
          134.9656075
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                596999.6389885875,
                2394998.4744269997,
                -20.734392467143564
              ],
              [
                596999.6389885875,
                2395998.4944269992,
                -20.734392467143564
              ],
              [
                597999.6589885876,
                2395998.4944269992,
                134.96560753285644
              ],
              [
                597999.6589885876,
                2394998.4744269997,
                134.96560753285644
              ],
              [
                596999.6389885875,
                2394998.4744269997,
                -20.734392467143564
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:53:47+00:00",
        "end_time": "2013-09-09T21:21:17+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9795.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9795.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9795.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9795.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0625483,
            21.65552829,
            -20.73439247,
            -158.0528257,
            21.66461703,
            134.9656075
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.06254834823136,
                  21.655583125698264,
                  -20.734392467143564
                ],
                [
                  -158.0624899923919,
                  21.664617028602866,
                  -20.734392467143564
                ],
                [
                  -158.0528257073507,
                  21.664562170944908,
                  134.96560753285644
                ],
                [
                  -158.05288466537993,
                  21.655528292878767,
                  134.96560753285644
                ],
                [
                  -158.06254834823136,
                  21.655583125698264,
                  -20.734392467143564
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9795.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9795.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:53:47Z",
            "pc:count": 12950658,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 597534.3028,
                "count": 12950658,
                "maximum": 597999.659,
                "minimum": 596999.639,
                "name": "X",
                "position": 0,
                "stddev": 258.1633002,
                "variance": 66648.28957
              },
              {
                "average": 2395418.31,
                "count": 12950658,
                "maximum": 2395998.494,
                "minimum": 2394998.474,
                "name": "Y",
                "position": 1,
                "stddev": 278.7846843,
                "variance": 77720.9002
              },
              {
                "average": 10.96999253,
                "count": 12950658,
                "maximum": 134.9656075,
                "minimum": -20.73439247,
                "name": "Z",
                "position": 2,
                "stddev": 25.66061704,
                "variance": 658.4672667
              },
              {
                "average": 19.51368232,
                "count": 12950658,
                "maximum": 8443,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 50.05066202,
                "variance": 2505.068769
              },
              {
                "average": 1.464738626,
                "count": 12950658,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8937452028,
                "variance": 0.7987804875
              },
              {
                "average": 1.933070273,
                "count": 12950658,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.36796653,
                "variance": 1.871332426
              },
              {
                "average": 1,
                "count": 12950658,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12950658,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.34542577,
                "count": 12950658,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.68483332,
                "variance": 187.274663
              },
              {
                "average": 19.16191205,
                "count": 12950658,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.15363032,
                "variance": 26.55990547
              },
              {
                "average": 94.75844888,
                "count": 12950658,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.22591241,
                "variance": 4931.678774
              },
              {
                "average": 5.466144269,
                "count": 12950658,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.484831073,
                "variance": 6.174385463
              },
              {
                "average": 63020226.74,
                "count": 12950658,
                "maximum": 63929227.76,
                "minimum": 62796877.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 381005.2614,
                "variance": 145165009200.0
              },
              {
                "average": 0,
                "count": 12950658,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12950658,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12950658,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12950658,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12950658,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              596999.639,
              2394998.474,
              -20.73439247,
              597999.659,
              2395998.494,
              134.9656075
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    596999.6389885875,
                    2394998.4744269997,
                    -20.734392467143564
                  ],
                  [
                    596999.6389885875,
                    2395998.4944269992,
                    -20.734392467143564
                  ],
                  [
                    597999.6589885876,
                    2395998.4944269992,
                    134.96560753285644
                  ],
                  [
                    597999.6589885876,
                    2394998.4744269997,
                    134.96560753285644
                  ],
                  [
                    596999.6389885875,
                    2394998.4744269997,
                    -20.734392467143564
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:53:47+00:00",
            "end_time": "2013-09-09T21:21:17+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8958.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14181916531913,
              21.321739749638102,
              -36.700292522270495
            ],
            [
              -158.14176667547443,
              21.330773796184477,
              -36.700292522270495
            ],
            [
              -158.1321242086117,
              21.330724286244422,
              -6.100292522270493
            ],
            [
              -158.13217728672822,
              21.32169026544783,
              -6.100292522270493
            ],
            [
              -158.14181916531913,
              21.321739749638102,
              -36.700292522270495
            ]
          ]
        ]
      },
      "bbox": [
        -158.1418192,
        21.32169027,
        -36.70029252,
        -158.1321242,
        21.3307738,
        -6.100292522
      ],
      "properties": {
        "datetime": "2013-09-19T00:48:10Z",
        "pc:count": 1731629,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 589693.1084,
            "count": 1731629,
            "maximum": 589999.6681,
            "minimum": 588999.6481,
            "name": "X",
            "position": 0,
            "stddev": 241.923088,
            "variance": 58526.78049
          },
          {
            "average": 2358583.518,
            "count": 1731629,
            "maximum": 2358998.463,
            "minimum": 2357998.483,
            "name": "Y",
            "position": 1,
            "stddev": 262.5533877,
            "variance": 68934.28137
          },
          {
            "average": -14.21400773,
            "count": 1731629,
            "maximum": -6.100292522,
            "minimum": -36.70029252,
            "name": "Z",
            "position": 2,
            "stddev": 8.050626219,
            "variance": 64.81258252
          },
          {
            "average": 214.2278069,
            "count": 1731629,
            "maximum": 7335,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 366.3949563,
            "variance": 134245.264
          },
          {
            "average": 1.0079405,
            "count": 1731629,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08914455629,
            "variance": 0.007946751915
          },
          {
            "average": 1.01459897,
            "count": 1731629,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1206371458,
            "variance": 0.01455332094
          },
          {
            "average": 1,
            "count": 1731629,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1731629,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1731629,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.54502001,
            "count": 1731629,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.149543268,
            "variance": 66.41505548
          },
          {
            "average": 134.3770554,
            "count": 1731629,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 90.79166301,
            "variance": 8243.126072
          },
          {
            "average": 6.354104719,
            "count": 1731629,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.296839422,
            "variance": 10.86915017
          },
          {
            "average": 63180772.57,
            "count": 1731629,
            "maximum": 63586890.18,
            "minimum": 62893024.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 340903.7741,
            "variance": 116215383200.0
          },
          {
            "average": 0,
            "count": 1731629,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1731629,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1731629,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1731629,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1731629,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588999.6481,
          2357998.483,
          -36.70029252,
          589999.6681,
          2358998.463,
          -6.100292522
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588999.6481090261,
                2357998.4834281746,
                -36.700292522270495
              ],
              [
                588999.6481090261,
                2358998.463428175,
                -36.700292522270495
              ],
              [
                589999.6681090262,
                2358998.463428175,
                -6.100292522270493
              ],
              [
                589999.6681090262,
                2357998.4834281746,
                -6.100292522270493
              ],
              [
                588999.6481090261,
                2357998.4834281746,
                -36.700292522270495
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:48:10+00:00",
        "end_time": "2013-09-11T00:03:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8958.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8958.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8958.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8958.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1418192,
            21.32169027,
            -36.70029252,
            -158.1321242,
            21.3307738,
            -6.100292522
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14181916531913,
                  21.321739749638102,
                  -36.700292522270495
                ],
                [
                  -158.14176667547443,
                  21.330773796184477,
                  -36.700292522270495
                ],
                [
                  -158.1321242086117,
                  21.330724286244422,
                  -6.100292522270493
                ],
                [
                  -158.13217728672822,
                  21.32169026544783,
                  -6.100292522270493
                ],
                [
                  -158.14181916531913,
                  21.321739749638102,
                  -36.700292522270495
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8958.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8958.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:48:10Z",
            "pc:count": 1731629,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 589693.1084,
                "count": 1731629,
                "maximum": 589999.6681,
                "minimum": 588999.6481,
                "name": "X",
                "position": 0,
                "stddev": 241.923088,
                "variance": 58526.78049
              },
              {
                "average": 2358583.518,
                "count": 1731629,
                "maximum": 2358998.463,
                "minimum": 2357998.483,
                "name": "Y",
                "position": 1,
                "stddev": 262.5533877,
                "variance": 68934.28137
              },
              {
                "average": -14.21400773,
                "count": 1731629,
                "maximum": -6.100292522,
                "minimum": -36.70029252,
                "name": "Z",
                "position": 2,
                "stddev": 8.050626219,
                "variance": 64.81258252
              },
              {
                "average": 214.2278069,
                "count": 1731629,
                "maximum": 7335,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 366.3949563,
                "variance": 134245.264
              },
              {
                "average": 1.0079405,
                "count": 1731629,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08914455629,
                "variance": 0.007946751915
              },
              {
                "average": 1.01459897,
                "count": 1731629,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1206371458,
                "variance": 0.01455332094
              },
              {
                "average": 1,
                "count": 1731629,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1731629,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1731629,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.54502001,
                "count": 1731629,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.149543268,
                "variance": 66.41505548
              },
              {
                "average": 134.3770554,
                "count": 1731629,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 90.79166301,
                "variance": 8243.126072
              },
              {
                "average": 6.354104719,
                "count": 1731629,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.296839422,
                "variance": 10.86915017
              },
              {
                "average": 63180772.57,
                "count": 1731629,
                "maximum": 63586890.18,
                "minimum": 62893024.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 340903.7741,
                "variance": 116215383200.0
              },
              {
                "average": 0,
                "count": 1731629,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1731629,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1731629,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1731629,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1731629,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588999.6481,
              2357998.483,
              -36.70029252,
              589999.6681,
              2358998.463,
              -6.100292522
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588999.6481090261,
                    2357998.4834281746,
                    -36.700292522270495
                  ],
                  [
                    588999.6481090261,
                    2358998.463428175,
                    -36.700292522270495
                  ],
                  [
                    589999.6681090262,
                    2358998.463428175,
                    -6.100292522270493
                  ],
                  [
                    589999.6681090262,
                    2357998.4834281746,
                    -6.100292522270493
                  ],
                  [
                    588999.6481090261,
                    2357998.4834281746,
                    -36.700292522270495
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:48:10+00:00",
            "end_time": "2013-09-11T00:03:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9692.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0723849653183,
              21.62853619785415,
              -10.886632624510916
            ],
            [
              -158.07232730253236,
              21.63756997506273,
              -10.886632624510916
            ],
            [
              -158.0626647907905,
              21.63751575380352,
              100.69336737548909
            ],
            [
              -158.0627230555284,
              21.628482000959433,
              100.69336737548909
            ],
            [
              -158.0723849653183,
              21.62853619785415,
              -10.886632624510916
            ]
          ]
        ]
      },
      "bbox": [
        -158.072385,
        21.628482,
        -10.88663262,
        -158.0626648,
        21.63756998,
        100.6933674
      ],
      "properties": {
        "datetime": "2013-09-22T23:57:47Z",
        "pc:count": 9307165,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 596414.541,
            "count": 9307165,
            "maximum": 596999.6572,
            "minimum": 595999.6372,
            "name": "X",
            "position": 0,
            "stddev": 219.3378821,
            "variance": 48109.10654
          },
          {
            "average": 2392591.552,
            "count": 9307165,
            "maximum": 2392998.486,
            "minimum": 2391998.486,
            "name": "Y",
            "position": 1,
            "stddev": 275.840853,
            "variance": 76088.17617
          },
          {
            "average": 30.0393748,
            "count": 9307165,
            "maximum": 100.6933674,
            "minimum": -10.88663262,
            "name": "Z",
            "position": 2,
            "stddev": 27.02482782,
            "variance": 730.341319
          },
          {
            "average": 7.550376296,
            "count": 9307165,
            "maximum": 1005,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.74127427,
            "variance": 280.2702643
          },
          {
            "average": 1.921750071,
            "count": 9307165,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.086635118,
            "variance": 1.180775879
          },
          {
            "average": 2.842825608,
            "count": 9307165,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.438486275,
            "variance": 2.069242763
          },
          {
            "average": 1,
            "count": 9307165,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9307165,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.362499537,
            "count": 9307165,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.685834899,
            "variance": 59.07205809
          },
          {
            "average": 20.24683352,
            "count": 9307165,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.508504667,
            "variance": 12.309605
          },
          {
            "average": 90.53951359,
            "count": 9307165,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.01275734,
            "variance": 4625.735161
          },
          {
            "average": 4.364628112,
            "count": 9307165,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.590525334,
            "variance": 6.710821508
          },
          {
            "average": 63335757.58,
            "count": 9307165,
            "maximum": 63929467.67,
            "minimum": 62874376.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 394912.7136,
            "variance": 155956051400.0
          },
          {
            "average": 0,
            "count": 9307165,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9307165,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9307165,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9307165,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9307165,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          595999.6372,
          2391998.486,
          -10.88663262,
          596999.6572,
          2392998.486,
          100.6933674
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                595999.637220101,
                2391998.4859596137,
                -10.886632624510916
              ],
              [
                595999.637220101,
                2392998.4859596137,
                -10.886632624510916
              ],
              [
                596999.657220101,
                2392998.4859596137,
                100.69336737548909
              ],
              [
                596999.657220101,
                2391998.4859596137,
                100.69336737548909
              ],
              [
                595999.637220101,
                2391998.4859596137,
                -10.886632624510916
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:57:47+00:00",
        "end_time": "2013-09-10T18:52:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9692.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9692.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9692.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9692.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.072385,
            21.628482,
            -10.88663262,
            -158.0626648,
            21.63756998,
            100.6933674
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0723849653183,
                  21.62853619785415,
                  -10.886632624510916
                ],
                [
                  -158.07232730253236,
                  21.63756997506273,
                  -10.886632624510916
                ],
                [
                  -158.0626647907905,
                  21.63751575380352,
                  100.69336737548909
                ],
                [
                  -158.0627230555284,
                  21.628482000959433,
                  100.69336737548909
                ],
                [
                  -158.0723849653183,
                  21.62853619785415,
                  -10.886632624510916
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9692.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9692.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:57:47Z",
            "pc:count": 9307165,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 596414.541,
                "count": 9307165,
                "maximum": 596999.6572,
                "minimum": 595999.6372,
                "name": "X",
                "position": 0,
                "stddev": 219.3378821,
                "variance": 48109.10654
              },
              {
                "average": 2392591.552,
                "count": 9307165,
                "maximum": 2392998.486,
                "minimum": 2391998.486,
                "name": "Y",
                "position": 1,
                "stddev": 275.840853,
                "variance": 76088.17617
              },
              {
                "average": 30.0393748,
                "count": 9307165,
                "maximum": 100.6933674,
                "minimum": -10.88663262,
                "name": "Z",
                "position": 2,
                "stddev": 27.02482782,
                "variance": 730.341319
              },
              {
                "average": 7.550376296,
                "count": 9307165,
                "maximum": 1005,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.74127427,
                "variance": 280.2702643
              },
              {
                "average": 1.921750071,
                "count": 9307165,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.086635118,
                "variance": 1.180775879
              },
              {
                "average": 2.842825608,
                "count": 9307165,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.438486275,
                "variance": 2.069242763
              },
              {
                "average": 1,
                "count": 9307165,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9307165,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.362499537,
                "count": 9307165,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.685834899,
                "variance": 59.07205809
              },
              {
                "average": 20.24683352,
                "count": 9307165,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.508504667,
                "variance": 12.309605
              },
              {
                "average": 90.53951359,
                "count": 9307165,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.01275734,
                "variance": 4625.735161
              },
              {
                "average": 4.364628112,
                "count": 9307165,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.590525334,
                "variance": 6.710821508
              },
              {
                "average": 63335757.58,
                "count": 9307165,
                "maximum": 63929467.67,
                "minimum": 62874376.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 394912.7136,
                "variance": 155956051400.0
              },
              {
                "average": 0,
                "count": 9307165,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9307165,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9307165,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9307165,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9307165,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              595999.6372,
              2391998.486,
              -10.88663262,
              596999.6572,
              2392998.486,
              100.6933674
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    595999.637220101,
                    2391998.4859596137,
                    -10.886632624510916
                  ],
                  [
                    595999.637220101,
                    2392998.4859596137,
                    -10.886632624510916
                  ],
                  [
                    596999.657220101,
                    2392998.4859596137,
                    100.69336737548909
                  ],
                  [
                    596999.657220101,
                    2391998.4859596137,
                    100.69336737548909
                  ],
                  [
                    595999.637220101,
                    2391998.4859596137,
                    -10.886632624510916
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:57:47+00:00",
            "end_time": "2013-09-10T18:52:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8386.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1982894059698,
              21.574984613586498,
              -9.814079022933843
            ],
            [
              -158.19823973396137,
              21.584018925237757,
              -9.814079022933843
            ],
            [
              -158.1885804191495,
              21.583972143161827,
              46.385920977066164
            ],
            [
              -158.18863069778587,
              21.57493785121446,
              46.385920977066164
            ],
            [
              -158.1982894059698,
              21.574984613586498,
              -9.814079022933843
            ]
          ]
        ]
      },
      "bbox": [
        -158.1982894,
        21.57493785,
        -9.814079023,
        -158.1885804,
        21.58401893,
        46.38592098
      ],
      "properties": {
        "datetime": "2013-11-04T20:22:29Z",
        "pc:count": 9044498,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583472.7623,
            "count": 9044498,
            "maximum": 583999.6069,
            "minimum": 582999.5869,
            "name": "X",
            "position": 0,
            "stddev": 290.4379251,
            "variance": 84354.18834
          },
          {
            "average": 2386388.21,
            "count": 9044498,
            "maximum": 2386998.474,
            "minimum": 2385998.454,
            "name": "Y",
            "position": 1,
            "stddev": 267.6721648,
            "variance": 71648.38783
          },
          {
            "average": 6.315496823,
            "count": 9044498,
            "maximum": 46.38592098,
            "minimum": -9.814079023,
            "name": "Z",
            "position": 2,
            "stddev": 5.272825502,
            "variance": 27.80268877
          },
          {
            "average": 11.15940697,
            "count": 9044498,
            "maximum": 8342,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.1568706,
            "variance": 447.6131734
          },
          {
            "average": 1.706166224,
            "count": 9044498,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.03706636,
            "variance": 1.075506634
          },
          {
            "average": 2.411712071,
            "count": 9044498,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.499370704,
            "variance": 2.248112507
          },
          {
            "average": 1,
            "count": 9044498,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9044498,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.830508891,
            "count": 9044498,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.19122069,
            "variance": 67.0960964
          },
          {
            "average": 18.57650304,
            "count": 9044498,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.232662819,
            "variance": 38.84608581
          },
          {
            "average": 91.1514387,
            "count": 9044498,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.2476006,
            "variance": 4522.239787
          },
          {
            "average": 3.216427269,
            "count": 9044498,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.821651975,
            "variance": 3.318415918
          },
          {
            "average": 62974942.44,
            "count": 9044498,
            "maximum": 67631749.57,
            "minimum": 62866308.35,
            "name": "GpsTime",
            "position": 12,
            "stddev": 643022.8044,
            "variance": 413478327000.0
          },
          {
            "average": 0,
            "count": 9044498,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9044498,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9044498,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9044498,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9044498,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582999.5869,
          2385998.454,
          -9.814079023,
          583999.6069,
          2386998.474,
          46.38592098
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582999.5869210765,
                2385998.4538972415,
                -9.814079022933843
              ],
              [
                582999.5869210765,
                2386998.473897241,
                -9.814079022933843
              ],
              [
                583999.6069210765,
                2386998.473897241,
                46.385920977066164
              ],
              [
                583999.6069210765,
                2385998.4538972415,
                46.385920977066164
              ],
              [
                582999.5869210765,
                2385998.4538972415,
                -9.814079022933843
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:22:29+00:00",
        "end_time": "2013-09-10T16:38:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8386.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8386.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8386.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8386.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1982894,
            21.57493785,
            -9.814079023,
            -158.1885804,
            21.58401893,
            46.38592098
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1982894059698,
                  21.574984613586498,
                  -9.814079022933843
                ],
                [
                  -158.19823973396137,
                  21.584018925237757,
                  -9.814079022933843
                ],
                [
                  -158.1885804191495,
                  21.583972143161827,
                  46.385920977066164
                ],
                [
                  -158.18863069778587,
                  21.57493785121446,
                  46.385920977066164
                ],
                [
                  -158.1982894059698,
                  21.574984613586498,
                  -9.814079022933843
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8386.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8386.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:22:29Z",
            "pc:count": 9044498,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583472.7623,
                "count": 9044498,
                "maximum": 583999.6069,
                "minimum": 582999.5869,
                "name": "X",
                "position": 0,
                "stddev": 290.4379251,
                "variance": 84354.18834
              },
              {
                "average": 2386388.21,
                "count": 9044498,
                "maximum": 2386998.474,
                "minimum": 2385998.454,
                "name": "Y",
                "position": 1,
                "stddev": 267.6721648,
                "variance": 71648.38783
              },
              {
                "average": 6.315496823,
                "count": 9044498,
                "maximum": 46.38592098,
                "minimum": -9.814079023,
                "name": "Z",
                "position": 2,
                "stddev": 5.272825502,
                "variance": 27.80268877
              },
              {
                "average": 11.15940697,
                "count": 9044498,
                "maximum": 8342,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.1568706,
                "variance": 447.6131734
              },
              {
                "average": 1.706166224,
                "count": 9044498,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.03706636,
                "variance": 1.075506634
              },
              {
                "average": 2.411712071,
                "count": 9044498,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.499370704,
                "variance": 2.248112507
              },
              {
                "average": 1,
                "count": 9044498,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9044498,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.830508891,
                "count": 9044498,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.19122069,
                "variance": 67.0960964
              },
              {
                "average": 18.57650304,
                "count": 9044498,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.232662819,
                "variance": 38.84608581
              },
              {
                "average": 91.1514387,
                "count": 9044498,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.2476006,
                "variance": 4522.239787
              },
              {
                "average": 3.216427269,
                "count": 9044498,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.821651975,
                "variance": 3.318415918
              },
              {
                "average": 62974942.44,
                "count": 9044498,
                "maximum": 67631749.57,
                "minimum": 62866308.35,
                "name": "GpsTime",
                "position": 12,
                "stddev": 643022.8044,
                "variance": 413478327000.0
              },
              {
                "average": 0,
                "count": 9044498,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9044498,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9044498,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9044498,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9044498,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582999.5869,
              2385998.454,
              -9.814079023,
              583999.6069,
              2386998.474,
              46.38592098
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582999.5869210765,
                    2385998.4538972415,
                    -9.814079022933843
                  ],
                  [
                    582999.5869210765,
                    2386998.473897241,
                    -9.814079022933843
                  ],
                  [
                    583999.6069210765,
                    2386998.473897241,
                    46.385920977066164
                  ],
                  [
                    583999.6069210765,
                    2385998.4538972415,
                    46.385920977066164
                  ],
                  [
                    582999.5869210765,
                    2385998.4538972415,
                    -9.814079022933843
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:22:29+00:00",
            "end_time": "2013-09-10T16:38:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8959.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14176668586867,
              21.3307738159676,
              -29.854177783371394
            ],
            [
              -158.14171414460327,
              21.339808071874586,
              -29.854177783371394
            ],
            [
              -158.13207108841252,
              21.33975853775612,
              -3.114177783371392
            ],
            [
              -158.13212421900462,
              21.330724306028095,
              -3.114177783371392
            ],
            [
              -158.14176668586867,
              21.3307738159676,
              -29.854177783371394
            ]
          ]
        ]
      },
      "bbox": [
        -158.1417667,
        21.33072431,
        -29.85417778,
        -158.1320711,
        21.33980807,
        -3.114177783
      ],
      "properties": {
        "datetime": "2013-09-19T00:47:58Z",
        "pc:count": 3941213,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 589672.7383,
            "count": 3941213,
            "maximum": 589999.667,
            "minimum": 588999.647,
            "name": "X",
            "position": 0,
            "stddev": 233.5150275,
            "variance": 54529.26809
          },
          {
            "average": 2359542.753,
            "count": 3941213,
            "maximum": 2359998.466,
            "minimum": 2358998.466,
            "name": "Y",
            "position": 1,
            "stddev": 278.8770451,
            "variance": 77772.4063
          },
          {
            "average": -9.56421276,
            "count": 3941213,
            "maximum": -3.114177783,
            "minimum": -29.85417778,
            "name": "Z",
            "position": 2,
            "stddev": 4.130880041,
            "variance": 17.06416991
          },
          {
            "average": 56.77577715,
            "count": 3941213,
            "maximum": 8371,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 180.1576747,
            "variance": 32456.78777
          },
          {
            "average": 1.032807159,
            "count": 3941213,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1791669444,
            "variance": 0.03210079397
          },
          {
            "average": 1.064884339,
            "count": 3941213,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2485673151,
            "variance": 0.06178571013
          },
          {
            "average": 1,
            "count": 3941213,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3941213,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3941213,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.50084819,
            "count": 3941213,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.434643465,
            "variance": 29.53534959
          },
          {
            "average": 101.0422512,
            "count": 3941213,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 74.4412327,
            "variance": 5541.497126
          },
          {
            "average": 6.044903942,
            "count": 3941213,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.06008146,
            "variance": 16.48426146
          },
          {
            "average": 63287966.5,
            "count": 3941213,
            "maximum": 63586878.74,
            "minimum": 62721476.31,
            "name": "GpsTime",
            "position": 12,
            "stddev": 394944.6461,
            "variance": 155981273400.0
          },
          {
            "average": 0,
            "count": 3941213,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3941213,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3941213,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3941213,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3941213,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588999.647,
          2358998.466,
          -29.85417778,
          589999.667,
          2359998.466,
          -3.114177783
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588999.6470191428,
                2358998.465612025,
                -29.854177783371394
              ],
              [
                588999.6470191428,
                2359998.465612025,
                -29.854177783371394
              ],
              [
                589999.6670191428,
                2359998.465612025,
                -3.114177783371392
              ],
              [
                589999.6670191428,
                2358998.465612025,
                -3.114177783371392
              ],
              [
                588999.6470191428,
                2358998.465612025,
                -29.854177783371394
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:47:58+00:00",
        "end_time": "2013-09-09T00:24:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8959.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8959.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8959.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8959.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1417667,
            21.33072431,
            -29.85417778,
            -158.1320711,
            21.33980807,
            -3.114177783
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14176668586867,
                  21.3307738159676,
                  -29.854177783371394
                ],
                [
                  -158.14171414460327,
                  21.339808071874586,
                  -29.854177783371394
                ],
                [
                  -158.13207108841252,
                  21.33975853775612,
                  -3.114177783371392
                ],
                [
                  -158.13212421900462,
                  21.330724306028095,
                  -3.114177783371392
                ],
                [
                  -158.14176668586867,
                  21.3307738159676,
                  -29.854177783371394
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8959.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8959.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:47:58Z",
            "pc:count": 3941213,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 589672.7383,
                "count": 3941213,
                "maximum": 589999.667,
                "minimum": 588999.647,
                "name": "X",
                "position": 0,
                "stddev": 233.5150275,
                "variance": 54529.26809
              },
              {
                "average": 2359542.753,
                "count": 3941213,
                "maximum": 2359998.466,
                "minimum": 2358998.466,
                "name": "Y",
                "position": 1,
                "stddev": 278.8770451,
                "variance": 77772.4063
              },
              {
                "average": -9.56421276,
                "count": 3941213,
                "maximum": -3.114177783,
                "minimum": -29.85417778,
                "name": "Z",
                "position": 2,
                "stddev": 4.130880041,
                "variance": 17.06416991
              },
              {
                "average": 56.77577715,
                "count": 3941213,
                "maximum": 8371,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 180.1576747,
                "variance": 32456.78777
              },
              {
                "average": 1.032807159,
                "count": 3941213,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1791669444,
                "variance": 0.03210079397
              },
              {
                "average": 1.064884339,
                "count": 3941213,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2485673151,
                "variance": 0.06178571013
              },
              {
                "average": 1,
                "count": 3941213,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3941213,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3941213,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.50084819,
                "count": 3941213,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.434643465,
                "variance": 29.53534959
              },
              {
                "average": 101.0422512,
                "count": 3941213,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 74.4412327,
                "variance": 5541.497126
              },
              {
                "average": 6.044903942,
                "count": 3941213,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.06008146,
                "variance": 16.48426146
              },
              {
                "average": 63287966.5,
                "count": 3941213,
                "maximum": 63586878.74,
                "minimum": 62721476.31,
                "name": "GpsTime",
                "position": 12,
                "stddev": 394944.6461,
                "variance": 155981273400.0
              },
              {
                "average": 0,
                "count": 3941213,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3941213,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3941213,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3941213,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3941213,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588999.647,
              2358998.466,
              -29.85417778,
              589999.667,
              2359998.466,
              -3.114177783
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588999.6470191428,
                    2358998.465612025,
                    -29.854177783371394
                  ],
                  [
                    588999.6470191428,
                    2359998.465612025,
                    -29.854177783371394
                  ],
                  [
                    589999.6670191428,
                    2359998.465612025,
                    -3.114177783371392
                  ],
                  [
                    589999.6670191428,
                    2358998.465612025,
                    -3.114177783371392
                  ],
                  [
                    588999.6470191428,
                    2358998.465612025,
                    -29.854177783371394
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:47:58+00:00",
            "end_time": "2013-09-09T00:24:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0557.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.98761701019117,
              21.311847372115928,
              -3.66589126914872
            ],
            [
              -157.98755507682944,
              21.320881260708134,
              -3.66589126914872
            ],
            [
              -157.97791388591907,
              21.320822948983125,
              32.93410873085128
            ],
            [
              -157.97797641057036,
              21.311789086548877,
              32.93410873085128
            ],
            [
              -157.98761701019117,
              21.311847372115928,
              -3.66589126914872
            ]
          ]
        ]
      },
      "bbox": [
        -157.987617,
        21.31178909,
        -3.665891269,
        -157.9779139,
        21.32088126,
        32.93410873
      ],
      "properties": {
        "datetime": "2013-09-16T09:54:45Z",
        "pc:count": 5979853,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 605502.9924,
            "count": 5979853,
            "maximum": 605999.724,
            "minimum": 604999.724,
            "name": "X",
            "position": 0,
            "stddev": 279.1114765,
            "variance": 77903.21634
          },
          {
            "average": 2357592.854,
            "count": 5979853,
            "maximum": 2357998.445,
            "minimum": 2356998.445,
            "name": "Y",
            "position": 1,
            "stddev": 269.5196191,
            "variance": 72640.82509
          },
          {
            "average": 3.838064484,
            "count": 5979853,
            "maximum": 32.93410873,
            "minimum": -3.665891269,
            "name": "Z",
            "position": 2,
            "stddev": 4.849006423,
            "variance": 23.51286329
          },
          {
            "average": 19.4119113,
            "count": 5979853,
            "maximum": 1412,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 31.53409473,
            "variance": 994.3991306
          },
          {
            "average": 1.342412765,
            "count": 5979853,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7435898855,
            "variance": 0.5529259178
          },
          {
            "average": 1.650056615,
            "count": 5979853,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.100185004,
            "variance": 1.210407042
          },
          {
            "average": 1,
            "count": 5979853,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5979853,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.39004805,
            "count": 5979853,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.52339651,
            "variance": 132.788667
          },
          {
            "average": 0,
            "count": 5979853,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 90.87726889,
            "count": 5979853,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.00430325,
            "variance": 4489.576653
          },
          {
            "average": 5.084866969,
            "count": 5979853,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.750014106,
            "variance": 7.562577584
          },
          {
            "average": 63300118.57,
            "count": 5979853,
            "maximum": 63360485.01,
            "minimum": 63275207.71,
            "name": "GpsTime",
            "position": 12,
            "stddev": 34967.37188,
            "variance": 1222717097
          },
          {
            "average": 0,
            "count": 5979853,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5979853,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5979853,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5979853,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5979853,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          604999.724,
          2356998.445,
          -3.665891269,
          605999.724,
          2357998.445,
          32.93410873
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                604999.7239699545,
                2356998.4447392505,
                -3.66589126914872
              ],
              [
                604999.7239699545,
                2357998.4447392505,
                -3.66589126914872
              ],
              [
                605999.7239699545,
                2357998.4447392505,
                32.93410873085128
              ],
              [
                605999.7239699545,
                2356998.4447392505,
                32.93410873085128
              ],
              [
                604999.7239699545,
                2356998.4447392505,
                -3.66589126914872
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:54:45+00:00",
        "end_time": "2013-09-15T10:13:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0557.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0557.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0557.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0557.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.987617,
            21.31178909,
            -3.665891269,
            -157.9779139,
            21.32088126,
            32.93410873
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.98761701019117,
                  21.311847372115928,
                  -3.66589126914872
                ],
                [
                  -157.98755507682944,
                  21.320881260708134,
                  -3.66589126914872
                ],
                [
                  -157.97791388591907,
                  21.320822948983125,
                  32.93410873085128
                ],
                [
                  -157.97797641057036,
                  21.311789086548877,
                  32.93410873085128
                ],
                [
                  -157.98761701019117,
                  21.311847372115928,
                  -3.66589126914872
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0557.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0557.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:54:45Z",
            "pc:count": 5979853,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 605502.9924,
                "count": 5979853,
                "maximum": 605999.724,
                "minimum": 604999.724,
                "name": "X",
                "position": 0,
                "stddev": 279.1114765,
                "variance": 77903.21634
              },
              {
                "average": 2357592.854,
                "count": 5979853,
                "maximum": 2357998.445,
                "minimum": 2356998.445,
                "name": "Y",
                "position": 1,
                "stddev": 269.5196191,
                "variance": 72640.82509
              },
              {
                "average": 3.838064484,
                "count": 5979853,
                "maximum": 32.93410873,
                "minimum": -3.665891269,
                "name": "Z",
                "position": 2,
                "stddev": 4.849006423,
                "variance": 23.51286329
              },
              {
                "average": 19.4119113,
                "count": 5979853,
                "maximum": 1412,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 31.53409473,
                "variance": 994.3991306
              },
              {
                "average": 1.342412765,
                "count": 5979853,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7435898855,
                "variance": 0.5529259178
              },
              {
                "average": 1.650056615,
                "count": 5979853,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.100185004,
                "variance": 1.210407042
              },
              {
                "average": 1,
                "count": 5979853,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5979853,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.39004805,
                "count": 5979853,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.52339651,
                "variance": 132.788667
              },
              {
                "average": 0,
                "count": 5979853,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 90.87726889,
                "count": 5979853,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.00430325,
                "variance": 4489.576653
              },
              {
                "average": 5.084866969,
                "count": 5979853,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.750014106,
                "variance": 7.562577584
              },
              {
                "average": 63300118.57,
                "count": 5979853,
                "maximum": 63360485.01,
                "minimum": 63275207.71,
                "name": "GpsTime",
                "position": 12,
                "stddev": 34967.37188,
                "variance": 1222717097
              },
              {
                "average": 0,
                "count": 5979853,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5979853,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5979853,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5979853,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5979853,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              604999.724,
              2356998.445,
              -3.665891269,
              605999.724,
              2357998.445,
              32.93410873
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    604999.7239699545,
                    2356998.4447392505,
                    -3.66589126914872
                  ],
                  [
                    604999.7239699545,
                    2357998.4447392505,
                    -3.66589126914872
                  ],
                  [
                    605999.7239699545,
                    2357998.4447392505,
                    32.93410873085128
                  ],
                  [
                    605999.7239699545,
                    2356998.4447392505,
                    32.93410873085128
                  ],
                  [
                    604999.7239699545,
                    2356998.4447392505,
                    -3.66589126914872
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:54:45+00:00",
            "end_time": "2013-09-15T10:13:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9389.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.10153777251537,
              21.601593617912513,
              -6.760593862219562
            ],
            [
              -158.10148199262306,
              21.610627679961134,
              -6.760593862219562
            ],
            [
              -158.09182118300475,
              21.610575217318267,
              50.019406137780436
            ],
            [
              -158.0918775629517,
              21.601541179066032,
              50.019406137780436
            ],
            [
              -158.10153777251537,
              21.601593617912513,
              -6.760593862219562
            ]
          ]
        ]
      },
      "bbox": [
        -158.1015378,
        21.60154118,
        -6.760593862,
        -158.0918212,
        21.61062768,
        50.01940614
      ],
      "properties": {
        "datetime": "2013-09-22T23:58:43Z",
        "pc:count": 18666795,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593512.6165,
            "count": 18666795,
            "maximum": 593999.6493,
            "minimum": 592999.6293,
            "name": "X",
            "position": 0,
            "stddev": 281.088994,
            "variance": 79011.02255
          },
          {
            "average": 2389488.686,
            "count": 18666795,
            "maximum": 2389998.485,
            "minimum": 2388998.465,
            "name": "Y",
            "position": 1,
            "stddev": 266.9024496,
            "variance": 71236.91761
          },
          {
            "average": 7.371517663,
            "count": 18666795,
            "maximum": 50.01940614,
            "minimum": -6.760593862,
            "name": "Z",
            "position": 2,
            "stddev": 6.431030022,
            "variance": 41.35814714
          },
          {
            "average": 8.742285325,
            "count": 18666795,
            "maximum": 1004,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 17.11908188,
            "variance": 293.0629643
          },
          {
            "average": 1.944847093,
            "count": 18666795,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.156356306,
            "variance": 1.337159908
          },
          {
            "average": 2.890434271,
            "count": 18666795,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.601241865,
            "variance": 2.563975511
          },
          {
            "average": 1,
            "count": 18666795,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 18666795,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.664319236,
            "count": 18666795,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.021280507,
            "variance": 16.17069691
          },
          {
            "average": 20.2697777,
            "count": 18666795,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.058641994,
            "variance": 9.355290845
          },
          {
            "average": 91.37940578,
            "count": 18666795,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.2175099,
            "variance": 4518.193637
          },
          {
            "average": 4.699183765,
            "count": 18666795,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.642034973,
            "variance": 6.980348801
          },
          {
            "average": 63220357.1,
            "count": 18666795,
            "maximum": 63929523.21,
            "minimum": 62872036.79,
            "name": "GpsTime",
            "position": 12,
            "stddev": 381072.7798,
            "variance": 145216463500.0
          },
          {
            "average": 0,
            "count": 18666795,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 18666795,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 18666795,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 18666795,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 18666795,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592999.6293,
          2388998.465,
          -6.760593862,
          593999.6493,
          2389998.485,
          50.01940614
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592999.6293238355,
                2388998.464566717,
                -6.760593862219562
              ],
              [
                592999.6293238355,
                2389998.4845667165,
                -6.760593862219562
              ],
              [
                593999.6493238355,
                2389998.4845667165,
                50.019406137780436
              ],
              [
                593999.6493238355,
                2388998.464566717,
                50.019406137780436
              ],
              [
                592999.6293238355,
                2388998.464566717,
                -6.760593862219562
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:58:43+00:00",
        "end_time": "2013-09-10T18:13:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9389.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9389.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9389.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9389.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1015378,
            21.60154118,
            -6.760593862,
            -158.0918212,
            21.61062768,
            50.01940614
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.10153777251537,
                  21.601593617912513,
                  -6.760593862219562
                ],
                [
                  -158.10148199262306,
                  21.610627679961134,
                  -6.760593862219562
                ],
                [
                  -158.09182118300475,
                  21.610575217318267,
                  50.019406137780436
                ],
                [
                  -158.0918775629517,
                  21.601541179066032,
                  50.019406137780436
                ],
                [
                  -158.10153777251537,
                  21.601593617912513,
                  -6.760593862219562
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9389.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9389.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:58:43Z",
            "pc:count": 18666795,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593512.6165,
                "count": 18666795,
                "maximum": 593999.6493,
                "minimum": 592999.6293,
                "name": "X",
                "position": 0,
                "stddev": 281.088994,
                "variance": 79011.02255
              },
              {
                "average": 2389488.686,
                "count": 18666795,
                "maximum": 2389998.485,
                "minimum": 2388998.465,
                "name": "Y",
                "position": 1,
                "stddev": 266.9024496,
                "variance": 71236.91761
              },
              {
                "average": 7.371517663,
                "count": 18666795,
                "maximum": 50.01940614,
                "minimum": -6.760593862,
                "name": "Z",
                "position": 2,
                "stddev": 6.431030022,
                "variance": 41.35814714
              },
              {
                "average": 8.742285325,
                "count": 18666795,
                "maximum": 1004,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 17.11908188,
                "variance": 293.0629643
              },
              {
                "average": 1.944847093,
                "count": 18666795,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.156356306,
                "variance": 1.337159908
              },
              {
                "average": 2.890434271,
                "count": 18666795,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.601241865,
                "variance": 2.563975511
              },
              {
                "average": 1,
                "count": 18666795,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 18666795,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.664319236,
                "count": 18666795,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.021280507,
                "variance": 16.17069691
              },
              {
                "average": 20.2697777,
                "count": 18666795,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.058641994,
                "variance": 9.355290845
              },
              {
                "average": 91.37940578,
                "count": 18666795,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.2175099,
                "variance": 4518.193637
              },
              {
                "average": 4.699183765,
                "count": 18666795,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.642034973,
                "variance": 6.980348801
              },
              {
                "average": 63220357.1,
                "count": 18666795,
                "maximum": 63929523.21,
                "minimum": 62872036.79,
                "name": "GpsTime",
                "position": 12,
                "stddev": 381072.7798,
                "variance": 145216463500.0
              },
              {
                "average": 0,
                "count": 18666795,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 18666795,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 18666795,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 18666795,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 18666795,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592999.6293,
              2388998.465,
              -6.760593862,
              593999.6493,
              2389998.485,
              50.01940614
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592999.6293238355,
                    2388998.464566717,
                    -6.760593862219562
                  ],
                  [
                    592999.6293238355,
                    2389998.4845667165,
                    -6.760593862219562
                  ],
                  [
                    593999.6493238355,
                    2389998.4845667165,
                    50.019406137780436
                  ],
                  [
                    593999.6493238355,
                    2388998.464566717,
                    50.019406137780436
                  ],
                  [
                    592999.6293238355,
                    2388998.464566717,
                    -6.760593862219562
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:58:43+00:00",
            "end_time": "2013-09-10T18:13:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfj0199.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.02365100994933,
              21.69149501775435,
              -15.560714143030122
            ],
            [
              -158.02359011935872,
              21.700528598707987,
              -15.560714143030122
            ],
            [
              -158.0139237484122,
              21.7004713876119,
              37.41928585696988
            ],
            [
              -158.01398524247668,
              21.691437832581034,
              37.41928585696988
            ],
            [
              -158.02365100994933,
              21.69149501775435,
              -15.560714143030122
            ]
          ]
        ]
      },
      "bbox": [
        -158.023651,
        21.69143783,
        -15.56071414,
        -158.0139237,
        21.7005286,
        37.41928586
      ],
      "properties": {
        "datetime": "2013-09-23T00:47:07Z",
        "pc:count": 7535282,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 601536.9332,
            "count": 7535282,
            "maximum": 601999.6748,
            "minimum": 600999.6748,
            "name": "X",
            "position": 0,
            "stddev": 281.0504009,
            "variance": 78989.32784
          },
          {
            "average": 2399441.414,
            "count": 7535282,
            "maximum": 2399998.494,
            "minimum": 2398998.494,
            "name": "Y",
            "position": 1,
            "stddev": 274.6646439,
            "variance": 75440.66659
          },
          {
            "average": 2.343881037,
            "count": 7535282,
            "maximum": 37.41928586,
            "minimum": -15.56071414,
            "name": "Z",
            "position": 2,
            "stddev": 6.691511822,
            "variance": 44.77633047
          },
          {
            "average": 12.886189,
            "count": 7535282,
            "maximum": 8986,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.13718994,
            "variance": 791.7014574
          },
          {
            "average": 1.243227526,
            "count": 7535282,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6791229276,
            "variance": 0.4612079508
          },
          {
            "average": 1.483933846,
            "count": 7535282,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.072962521,
            "variance": 1.151248571
          },
          {
            "average": 1,
            "count": 7535282,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7535282,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.20656825,
            "count": 7535282,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.87311379,
            "variance": 192.4632863
          },
          {
            "average": 20.09434437,
            "count": 7535282,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.869357146,
            "variance": 8.233210431
          },
          {
            "average": 91.24367223,
            "count": 7535282,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.54833228,
            "variance": 4562.777194
          },
          {
            "average": 9.475247111,
            "count": 7535282,
            "maximum": 15,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.310772538,
            "variance": 10.9612148
          },
          {
            "average": 63224763.68,
            "count": 7535282,
            "maximum": 63932427.02,
            "minimum": 62796962.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 549054.251,
            "variance": 301460570600.0
          },
          {
            "average": 0,
            "count": 7535282,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7535282,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7535282,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7535282,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7535282,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          600999.6748,
          2398998.494,
          -15.56071414,
          601999.6748,
          2399998.494,
          37.41928586
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                600999.6747761182,
                2398998.493784627,
                -15.560714143030122
              ],
              [
                600999.6747761182,
                2399998.493784627,
                -15.560714143030122
              ],
              [
                601999.6747761182,
                2399998.493784627,
                37.41928585696988
              ],
              [
                601999.6747761182,
                2398998.493784627,
                37.41928585696988
              ],
              [
                600999.6747761182,
                2398998.493784627,
                -15.560714143030122
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:47:07+00:00",
        "end_time": "2013-09-09T21:22:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfj0199.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfj0199.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfj0199.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0199.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.023651,
            21.69143783,
            -15.56071414,
            -158.0139237,
            21.7005286,
            37.41928586
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.02365100994933,
                  21.69149501775435,
                  -15.560714143030122
                ],
                [
                  -158.02359011935872,
                  21.700528598707987,
                  -15.560714143030122
                ],
                [
                  -158.0139237484122,
                  21.7004713876119,
                  37.41928585696988
                ],
                [
                  -158.01398524247668,
                  21.691437832581034,
                  37.41928585696988
                ],
                [
                  -158.02365100994933,
                  21.69149501775435,
                  -15.560714143030122
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfj0199.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0199.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:47:07Z",
            "pc:count": 7535282,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 601536.9332,
                "count": 7535282,
                "maximum": 601999.6748,
                "minimum": 600999.6748,
                "name": "X",
                "position": 0,
                "stddev": 281.0504009,
                "variance": 78989.32784
              },
              {
                "average": 2399441.414,
                "count": 7535282,
                "maximum": 2399998.494,
                "minimum": 2398998.494,
                "name": "Y",
                "position": 1,
                "stddev": 274.6646439,
                "variance": 75440.66659
              },
              {
                "average": 2.343881037,
                "count": 7535282,
                "maximum": 37.41928586,
                "minimum": -15.56071414,
                "name": "Z",
                "position": 2,
                "stddev": 6.691511822,
                "variance": 44.77633047
              },
              {
                "average": 12.886189,
                "count": 7535282,
                "maximum": 8986,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.13718994,
                "variance": 791.7014574
              },
              {
                "average": 1.243227526,
                "count": 7535282,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6791229276,
                "variance": 0.4612079508
              },
              {
                "average": 1.483933846,
                "count": 7535282,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.072962521,
                "variance": 1.151248571
              },
              {
                "average": 1,
                "count": 7535282,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7535282,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.20656825,
                "count": 7535282,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.87311379,
                "variance": 192.4632863
              },
              {
                "average": 20.09434437,
                "count": 7535282,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.869357146,
                "variance": 8.233210431
              },
              {
                "average": 91.24367223,
                "count": 7535282,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.54833228,
                "variance": 4562.777194
              },
              {
                "average": 9.475247111,
                "count": 7535282,
                "maximum": 15,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.310772538,
                "variance": 10.9612148
              },
              {
                "average": 63224763.68,
                "count": 7535282,
                "maximum": 63932427.02,
                "minimum": 62796962.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 549054.251,
                "variance": 301460570600.0
              },
              {
                "average": 0,
                "count": 7535282,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7535282,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7535282,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7535282,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7535282,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              600999.6748,
              2398998.494,
              -15.56071414,
              601999.6748,
              2399998.494,
              37.41928586
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    600999.6747761182,
                    2398998.493784627,
                    -15.560714143030122
                  ],
                  [
                    600999.6747761182,
                    2399998.493784627,
                    -15.560714143030122
                  ],
                  [
                    601999.6747761182,
                    2399998.493784627,
                    37.41928585696988
                  ],
                  [
                    601999.6747761182,
                    2398998.493784627,
                    37.41928585696988
                  ],
                  [
                    600999.6747761182,
                    2398998.493784627,
                    -15.560714143030122
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:47:07+00:00",
            "end_time": "2013-09-09T21:22:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9256.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11300243570847,
              21.303521068583127,
              0.733368569947089
            ],
            [
              -158.1129482015518,
              21.312555289148843,
              0.733368569947089
            ],
            [
              -158.10330719515537,
              21.312504165914973,
              93.2733685699471
            ],
            [
              -158.10336201872403,
              21.303469969013083,
              93.2733685699471
            ],
            [
              -158.11300243570847,
              21.303521068583127,
              0.733368569947089
            ]
          ]
        ]
      },
      "bbox": [
        -158.1130024,
        21.30346997,
        0.7333685699,
        -158.1033072,
        21.31255529,
        93.27336857
      ],
      "properties": {
        "datetime": "2013-10-08T22:40:09Z",
        "pc:count": 7407836,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592391.0346,
            "count": 7407836,
            "maximum": 592999.6728,
            "minimum": 591999.6728,
            "name": "X",
            "position": 0,
            "stddev": 248.4535182,
            "variance": 61729.15069
          },
          {
            "average": 2356475.897,
            "count": 7407836,
            "maximum": 2356998.466,
            "minimum": 2355998.466,
            "name": "Y",
            "position": 1,
            "stddev": 293.8634094,
            "variance": 86355.70339
          },
          {
            "average": 6.216977185,
            "count": 7407836,
            "maximum": 93.27336857,
            "minimum": 0.7333685699,
            "name": "Z",
            "position": 2,
            "stddev": 6.018424044,
            "variance": 36.22142797
          },
          {
            "average": 48.43437598,
            "count": 7407836,
            "maximum": 938,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 72.34857542,
            "variance": 5234.316365
          },
          {
            "average": 1.241476053,
            "count": 7407836,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6394420489,
            "variance": 0.4088861339
          },
          {
            "average": 1.481281308,
            "count": 7407836,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9950223533,
            "variance": 0.9900694835
          },
          {
            "average": 1,
            "count": 7407836,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7407836,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.225407123,
            "count": 7407836,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.8915052414,
            "variance": 0.7947815954
          },
          {
            "average": 18.25304089,
            "count": 7407836,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.43656568,
            "variance": 41.42937775
          },
          {
            "average": 92.90515408,
            "count": 7407836,
            "maximum": 211,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.6501325,
            "variance": 4051.339367
          },
          {
            "average": 5.211881041,
            "count": 7407836,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.844592824,
            "variance": 14.78089398
          },
          {
            "average": 63509549.58,
            "count": 7407836,
            "maximum": 65307209.74,
            "minimum": 62721530,
            "name": "GpsTime",
            "position": 12,
            "stddev": 684742.7627,
            "variance": 468872651100.0
          },
          {
            "average": 0,
            "count": 7407836,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7407836,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7407836,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7407836,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7407836,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.6728,
          2355998.466,
          0.7333685699,
          592999.6728,
          2356998.466,
          93.27336857
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.6728149932,
                2355998.4657486915,
                0.733368569947089
              ],
              [
                591999.6728149932,
                2356998.4657486915,
                0.733368569947089
              ],
              [
                592999.6728149932,
                2356998.4657486915,
                93.2733685699471
              ],
              [
                592999.6728149932,
                2355998.4657486915,
                93.2733685699471
              ],
              [
                591999.6728149932,
                2355998.4657486915,
                0.733368569947089
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:40:09+00:00",
        "end_time": "2013-09-09T00:25:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9256.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9256.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9256.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9256.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1130024,
            21.30346997,
            0.7333685699,
            -158.1033072,
            21.31255529,
            93.27336857
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11300243570847,
                  21.303521068583127,
                  0.733368569947089
                ],
                [
                  -158.1129482015518,
                  21.312555289148843,
                  0.733368569947089
                ],
                [
                  -158.10330719515537,
                  21.312504165914973,
                  93.2733685699471
                ],
                [
                  -158.10336201872403,
                  21.303469969013083,
                  93.2733685699471
                ],
                [
                  -158.11300243570847,
                  21.303521068583127,
                  0.733368569947089
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9256.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9256.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:40:09Z",
            "pc:count": 7407836,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592391.0346,
                "count": 7407836,
                "maximum": 592999.6728,
                "minimum": 591999.6728,
                "name": "X",
                "position": 0,
                "stddev": 248.4535182,
                "variance": 61729.15069
              },
              {
                "average": 2356475.897,
                "count": 7407836,
                "maximum": 2356998.466,
                "minimum": 2355998.466,
                "name": "Y",
                "position": 1,
                "stddev": 293.8634094,
                "variance": 86355.70339
              },
              {
                "average": 6.216977185,
                "count": 7407836,
                "maximum": 93.27336857,
                "minimum": 0.7333685699,
                "name": "Z",
                "position": 2,
                "stddev": 6.018424044,
                "variance": 36.22142797
              },
              {
                "average": 48.43437598,
                "count": 7407836,
                "maximum": 938,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 72.34857542,
                "variance": 5234.316365
              },
              {
                "average": 1.241476053,
                "count": 7407836,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6394420489,
                "variance": 0.4088861339
              },
              {
                "average": 1.481281308,
                "count": 7407836,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9950223533,
                "variance": 0.9900694835
              },
              {
                "average": 1,
                "count": 7407836,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7407836,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.225407123,
                "count": 7407836,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.8915052414,
                "variance": 0.7947815954
              },
              {
                "average": 18.25304089,
                "count": 7407836,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.43656568,
                "variance": 41.42937775
              },
              {
                "average": 92.90515408,
                "count": 7407836,
                "maximum": 211,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.6501325,
                "variance": 4051.339367
              },
              {
                "average": 5.211881041,
                "count": 7407836,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.844592824,
                "variance": 14.78089398
              },
              {
                "average": 63509549.58,
                "count": 7407836,
                "maximum": 65307209.74,
                "minimum": 62721530,
                "name": "GpsTime",
                "position": 12,
                "stddev": 684742.7627,
                "variance": 468872651100.0
              },
              {
                "average": 0,
                "count": 7407836,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7407836,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7407836,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7407836,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7407836,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.6728,
              2355998.466,
              0.7333685699,
              592999.6728,
              2356998.466,
              93.27336857
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.6728149932,
                    2355998.4657486915,
                    0.733368569947089
                  ],
                  [
                    591999.6728149932,
                    2356998.4657486915,
                    0.733368569947089
                  ],
                  [
                    592999.6728149932,
                    2356998.4657486915,
                    93.2733685699471
                  ],
                  [
                    592999.6728149932,
                    2355998.4657486915,
                    93.2733685699471
                  ],
                  [
                    591999.6728149932,
                    2355998.4657486915,
                    0.733368569947089
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:40:09+00:00",
            "end_time": "2013-09-09T00:25:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8960.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14171414690617,
              21.3398079629297,
              -31.823324071217023
            ],
            [
              -158.14166157582548,
              21.348842393670893,
              -31.823324071217023
            ],
            [
              -158.13201792996705,
              21.348792835518022,
              -1.603324071217024
            ],
            [
              -158.1320710907225,
              21.33975842881162,
              -1.603324071217024
            ],
            [
              -158.14171414690617,
              21.3398079629297,
              -31.823324071217023
            ]
          ]
        ]
      },
      "bbox": [
        -158.1417141,
        21.33975843,
        -31.82332407,
        -158.1320179,
        21.34884239,
        -1.603324071
      ],
      "properties": {
        "datetime": "2013-09-19T00:47:42Z",
        "pc:count": 5516473,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 589694.3119,
            "count": 5516473,
            "maximum": 589999.6668,
            "minimum": 588999.6468,
            "name": "X",
            "position": 0,
            "stddev": 216.887891,
            "variance": 47040.35726
          },
          {
            "average": 2360503.299,
            "count": 5516473,
            "maximum": 2360998.474,
            "minimum": 2359998.454,
            "name": "Y",
            "position": 1,
            "stddev": 282.2504223,
            "variance": 79665.30089
          },
          {
            "average": -8.679828218,
            "count": 5516473,
            "maximum": -1.603324071,
            "minimum": -31.82332407,
            "name": "Z",
            "position": 2,
            "stddev": 5.404079684,
            "variance": 29.20407723
          },
          {
            "average": 45.21370847,
            "count": 5516473,
            "maximum": 8901,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 133.6717664,
            "variance": 17868.14112
          },
          {
            "average": 1.034648225,
            "count": 5516473,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1844279626,
            "variance": 0.03401367337
          },
          {
            "average": 1.067430585,
            "count": 5516473,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2539698562,
            "variance": 0.06450068785
          },
          {
            "average": 1,
            "count": 5516473,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5516473,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5516473,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.37478317,
            "count": 5516473,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.791914534,
            "variance": 22.9624449
          },
          {
            "average": 106.9179764,
            "count": 5516473,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.9484636,
            "variance": 6075.962977
          },
          {
            "average": 6.403604803,
            "count": 5516473,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.642248553,
            "variance": 13.26597452
          },
          {
            "average": 63125353.46,
            "count": 5516473,
            "maximum": 63586862.14,
            "minimum": 62719907.54,
            "name": "GpsTime",
            "position": 12,
            "stddev": 423139.727,
            "variance": 179047228500.0
          },
          {
            "average": 0,
            "count": 5516473,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5516473,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5516473,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5516473,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5516473,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588999.6468,
          2359998.454,
          -31.82332407,
          589999.6668,
          2360998.474,
          -1.603324071
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588999.6468460523,
                2359998.45355199,
                -31.823324071217023
              ],
              [
                588999.6468460523,
                2360998.4735519895,
                -31.823324071217023
              ],
              [
                589999.6668460523,
                2360998.4735519895,
                -1.603324071217024
              ],
              [
                589999.6668460523,
                2359998.45355199,
                -1.603324071217024
              ],
              [
                588999.6468460523,
                2359998.45355199,
                -31.823324071217023
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:47:42+00:00",
        "end_time": "2013-09-08T23:58:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8960.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8960.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8960.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8960.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1417141,
            21.33975843,
            -31.82332407,
            -158.1320179,
            21.34884239,
            -1.603324071
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14171414690617,
                  21.3398079629297,
                  -31.823324071217023
                ],
                [
                  -158.14166157582548,
                  21.348842393670893,
                  -31.823324071217023
                ],
                [
                  -158.13201792996705,
                  21.348792835518022,
                  -1.603324071217024
                ],
                [
                  -158.1320710907225,
                  21.33975842881162,
                  -1.603324071217024
                ],
                [
                  -158.14171414690617,
                  21.3398079629297,
                  -31.823324071217023
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8960.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8960.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:47:42Z",
            "pc:count": 5516473,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 589694.3119,
                "count": 5516473,
                "maximum": 589999.6668,
                "minimum": 588999.6468,
                "name": "X",
                "position": 0,
                "stddev": 216.887891,
                "variance": 47040.35726
              },
              {
                "average": 2360503.299,
                "count": 5516473,
                "maximum": 2360998.474,
                "minimum": 2359998.454,
                "name": "Y",
                "position": 1,
                "stddev": 282.2504223,
                "variance": 79665.30089
              },
              {
                "average": -8.679828218,
                "count": 5516473,
                "maximum": -1.603324071,
                "minimum": -31.82332407,
                "name": "Z",
                "position": 2,
                "stddev": 5.404079684,
                "variance": 29.20407723
              },
              {
                "average": 45.21370847,
                "count": 5516473,
                "maximum": 8901,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 133.6717664,
                "variance": 17868.14112
              },
              {
                "average": 1.034648225,
                "count": 5516473,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1844279626,
                "variance": 0.03401367337
              },
              {
                "average": 1.067430585,
                "count": 5516473,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2539698562,
                "variance": 0.06450068785
              },
              {
                "average": 1,
                "count": 5516473,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5516473,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5516473,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.37478317,
                "count": 5516473,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.791914534,
                "variance": 22.9624449
              },
              {
                "average": 106.9179764,
                "count": 5516473,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.9484636,
                "variance": 6075.962977
              },
              {
                "average": 6.403604803,
                "count": 5516473,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.642248553,
                "variance": 13.26597452
              },
              {
                "average": 63125353.46,
                "count": 5516473,
                "maximum": 63586862.14,
                "minimum": 62719907.54,
                "name": "GpsTime",
                "position": 12,
                "stddev": 423139.727,
                "variance": 179047228500.0
              },
              {
                "average": 0,
                "count": 5516473,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5516473,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5516473,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5516473,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5516473,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588999.6468,
              2359998.454,
              -31.82332407,
              589999.6668,
              2360998.474,
              -1.603324071
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588999.6468460523,
                    2359998.45355199,
                    -31.823324071217023
                  ],
                  [
                    588999.6468460523,
                    2360998.4735519895,
                    -31.823324071217023
                  ],
                  [
                    589999.6668460523,
                    2360998.4735519895,
                    -1.603324071217024
                  ],
                  [
                    589999.6668460523,
                    2359998.45355199,
                    -1.603324071217024
                  ],
                  [
                    588999.6468460523,
                    2359998.45355199,
                    -31.823324071217023
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:47:42+00:00",
            "end_time": "2013-09-08T23:58:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0254.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.01670557645502,
              21.28700621487824,
              -50.74623682829973
            ],
            [
              -158.01665939747994,
              21.293951006743715,
              -50.74623682829973
            ],
            [
              -158.0070198718074,
              21.293894419453512,
              -9.786236828299732
            ],
            [
              -158.00706650313427,
              21.286949647478952,
              -9.786236828299732
            ],
            [
              -158.01670557645502,
              21.28700621487824,
              -50.74623682829973
            ]
          ]
        ]
      },
      "bbox": [
        -158.0167056,
        21.28694965,
        -50.74623683,
        -158.0070199,
        21.29395101,
        -9.786236828
      ],
      "properties": {
        "datetime": "2013-09-17T12:17:53Z",
        "pc:count": 731296,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 602534.6693,
            "count": 731296,
            "maximum": 602999.7084,
            "minimum": 601999.7084,
            "name": "X",
            "position": 0,
            "stddev": 297.6513968,
            "variance": 88596.35403
          },
          {
            "average": 2354789.036,
            "count": 731296,
            "maximum": 2354998.448,
            "minimum": 2354229.708,
            "name": "Y",
            "position": 1,
            "stddev": 160.1904823,
            "variance": 25660.99062
          },
          {
            "average": -21.76364658,
            "count": 731296,
            "maximum": -9.786236828,
            "minimum": -50.74623683,
            "name": "Z",
            "position": 2,
            "stddev": 8.487969801,
            "variance": 72.04563134
          },
          {
            "average": 379.1076513,
            "count": 731296,
            "maximum": 2811,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 406.6679808,
            "variance": 165378.8466
          },
          {
            "average": 1.00068782,
            "count": 731296,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02621731915,
            "variance": 0.0006873478235
          },
          {
            "average": 1.000731578,
            "count": 731296,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02703781989,
            "variance": 0.0007310437044
          },
          {
            "average": 1,
            "count": 731296,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 731296,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 731296,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 731296,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 210.6916447,
            "count": 731296,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 73.22707866,
            "variance": 5362.205049
          },
          {
            "average": 4.480303461,
            "count": 731296,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.156018645,
            "variance": 17.27249098
          },
          {
            "average": 63344242.64,
            "count": 731296,
            "maximum": 63455473.49,
            "minimum": 63275643.15,
            "name": "GpsTime",
            "position": 12,
            "stddev": 72809.63285,
            "variance": 5301242636
          },
          {
            "average": 0,
            "count": 731296,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 731296,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 731296,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 731296,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 731296,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          601999.7084,
          2354229.708,
          -50.74623683,
          602999.7084,
          2354998.448,
          -9.786236828
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                601999.7084312375,
                2354229.7081452343,
                -50.74623682829973
              ],
              [
                601999.7084312375,
                2354998.4481452345,
                -50.74623682829973
              ],
              [
                602999.7084312375,
                2354998.4481452345,
                -9.786236828299732
              ],
              [
                602999.7084312375,
                2354229.7081452343,
                -9.786236828299732
              ],
              [
                601999.7084312375,
                2354229.7081452343,
                -50.74623682829973
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:17:53+00:00",
        "end_time": "2013-09-15T10:20:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0254.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0254.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0254.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0254.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0167056,
            21.28694965,
            -50.74623683,
            -158.0070199,
            21.29395101,
            -9.786236828
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.01670557645502,
                  21.28700621487824,
                  -50.74623682829973
                ],
                [
                  -158.01665939747994,
                  21.293951006743715,
                  -50.74623682829973
                ],
                [
                  -158.0070198718074,
                  21.293894419453512,
                  -9.786236828299732
                ],
                [
                  -158.00706650313427,
                  21.286949647478952,
                  -9.786236828299732
                ],
                [
                  -158.01670557645502,
                  21.28700621487824,
                  -50.74623682829973
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0254.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0254.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:17:53Z",
            "pc:count": 731296,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 602534.6693,
                "count": 731296,
                "maximum": 602999.7084,
                "minimum": 601999.7084,
                "name": "X",
                "position": 0,
                "stddev": 297.6513968,
                "variance": 88596.35403
              },
              {
                "average": 2354789.036,
                "count": 731296,
                "maximum": 2354998.448,
                "minimum": 2354229.708,
                "name": "Y",
                "position": 1,
                "stddev": 160.1904823,
                "variance": 25660.99062
              },
              {
                "average": -21.76364658,
                "count": 731296,
                "maximum": -9.786236828,
                "minimum": -50.74623683,
                "name": "Z",
                "position": 2,
                "stddev": 8.487969801,
                "variance": 72.04563134
              },
              {
                "average": 379.1076513,
                "count": 731296,
                "maximum": 2811,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 406.6679808,
                "variance": 165378.8466
              },
              {
                "average": 1.00068782,
                "count": 731296,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02621731915,
                "variance": 0.0006873478235
              },
              {
                "average": 1.000731578,
                "count": 731296,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02703781989,
                "variance": 0.0007310437044
              },
              {
                "average": 1,
                "count": 731296,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 731296,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 731296,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 731296,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 210.6916447,
                "count": 731296,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 73.22707866,
                "variance": 5362.205049
              },
              {
                "average": 4.480303461,
                "count": 731296,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.156018645,
                "variance": 17.27249098
              },
              {
                "average": 63344242.64,
                "count": 731296,
                "maximum": 63455473.49,
                "minimum": 63275643.15,
                "name": "GpsTime",
                "position": 12,
                "stddev": 72809.63285,
                "variance": 5301242636
              },
              {
                "average": 0,
                "count": 731296,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 731296,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 731296,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 731296,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 731296,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              601999.7084,
              2354229.708,
              -50.74623683,
              602999.7084,
              2354998.448,
              -9.786236828
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    601999.7084312375,
                    2354229.7081452343,
                    -50.74623682829973
                  ],
                  [
                    601999.7084312375,
                    2354998.4481452345,
                    -50.74623682829973
                  ],
                  [
                    602999.7084312375,
                    2354998.4481452345,
                    -9.786236828299732
                  ],
                  [
                    602999.7084312375,
                    2354229.7081452343,
                    -9.786236828299732
                  ],
                  [
                    601999.7084312375,
                    2354229.7081452343,
                    -50.74623682829973
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:17:53+00:00",
            "end_time": "2013-09-15T10:20:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8387.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.19823971925138,
              21.58401882780136,
              -25.641640335697225
            ],
            [
              -158.1981899976178,
              21.593052951884783,
              -25.641640335697225
            ],
            [
              -158.1885300816041,
              21.59300614889074,
              0.518359664302777
            ],
            [
              -158.18858040444601,
              21.583972045724764,
              0.518359664302777
            ],
            [
              -158.19823971925138,
              21.58401882780136,
              -25.641640335697225
            ]
          ]
        ]
      },
      "bbox": [
        -158.1982397,
        21.58397205,
        -25.64164034,
        -158.1885301,
        21.59305295,
        0.5183596643
      ],
      "properties": {
        "datetime": "2013-09-10T17:56:44Z",
        "pc:count": 2754258,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583506.7052,
            "count": 2754258,
            "maximum": 583999.6085,
            "minimum": 582999.5885,
            "name": "X",
            "position": 0,
            "stddev": 283.9940764,
            "variance": 80652.63541
          },
          {
            "average": 2387396.896,
            "count": 2754258,
            "maximum": 2387998.463,
            "minimum": 2386998.463,
            "name": "Y",
            "position": 1,
            "stddev": 251.0606878,
            "variance": 63031.46894
          },
          {
            "average": -6.665582337,
            "count": 2754258,
            "maximum": 0.5183596643,
            "minimum": -25.64164034,
            "name": "Z",
            "position": 2,
            "stddev": 4.538224946,
            "variance": 20.59548566
          },
          {
            "average": 19.42623385,
            "count": 2754258,
            "maximum": 1315,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 76.07740617,
            "variance": 5787.771729
          },
          {
            "average": 1.053119933,
            "count": 2754258,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2300442275,
            "variance": 0.05292034661
          },
          {
            "average": 1.088118833,
            "count": 2754258,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2939693872,
            "variance": 0.08641800059
          },
          {
            "average": 1,
            "count": 2754258,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2754258,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2754258,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.79451278,
            "count": 2754258,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.823253815,
            "variance": 61.20330025
          },
          {
            "average": 103.6565071,
            "count": 2754258,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 80.38980489,
            "variance": 6462.52073
          },
          {
            "average": 7.533356352,
            "count": 2754258,
            "maximum": 10,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.406558909,
            "variance": 1.978407965
          },
          {
            "average": 62869774.35,
            "count": 2754258,
            "maximum": 62871004.99,
            "minimum": 62868318.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 738.1712759,
            "variance": 544896.8326
          },
          {
            "average": 0,
            "count": 2754258,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2754258,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2754258,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2754258,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2754258,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582999.5885,
          2386998.463,
          -25.64164034,
          583999.6085,
          2387998.463,
          0.5183596643
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582999.5884994456,
                2386998.4631199976,
                -25.641640335697225
              ],
              [
                582999.5884994456,
                2387998.4631199976,
                -25.641640335697225
              ],
              [
                583999.6084994456,
                2387998.4631199976,
                0.518359664302777
              ],
              [
                583999.6084994456,
                2386998.4631199976,
                0.518359664302777
              ],
              [
                582999.5884994456,
                2386998.4631199976,
                -25.641640335697225
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:56:44+00:00",
        "end_time": "2013-09-10T17:11:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8387.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8387.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8387.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8387.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1982397,
            21.58397205,
            -25.64164034,
            -158.1885301,
            21.59305295,
            0.5183596643
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.19823971925138,
                  21.58401882780136,
                  -25.641640335697225
                ],
                [
                  -158.1981899976178,
                  21.593052951884783,
                  -25.641640335697225
                ],
                [
                  -158.1885300816041,
                  21.59300614889074,
                  0.518359664302777
                ],
                [
                  -158.18858040444601,
                  21.583972045724764,
                  0.518359664302777
                ],
                [
                  -158.19823971925138,
                  21.58401882780136,
                  -25.641640335697225
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8387.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8387.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:56:44Z",
            "pc:count": 2754258,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583506.7052,
                "count": 2754258,
                "maximum": 583999.6085,
                "minimum": 582999.5885,
                "name": "X",
                "position": 0,
                "stddev": 283.9940764,
                "variance": 80652.63541
              },
              {
                "average": 2387396.896,
                "count": 2754258,
                "maximum": 2387998.463,
                "minimum": 2386998.463,
                "name": "Y",
                "position": 1,
                "stddev": 251.0606878,
                "variance": 63031.46894
              },
              {
                "average": -6.665582337,
                "count": 2754258,
                "maximum": 0.5183596643,
                "minimum": -25.64164034,
                "name": "Z",
                "position": 2,
                "stddev": 4.538224946,
                "variance": 20.59548566
              },
              {
                "average": 19.42623385,
                "count": 2754258,
                "maximum": 1315,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 76.07740617,
                "variance": 5787.771729
              },
              {
                "average": 1.053119933,
                "count": 2754258,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2300442275,
                "variance": 0.05292034661
              },
              {
                "average": 1.088118833,
                "count": 2754258,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2939693872,
                "variance": 0.08641800059
              },
              {
                "average": 1,
                "count": 2754258,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2754258,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2754258,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.79451278,
                "count": 2754258,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.823253815,
                "variance": 61.20330025
              },
              {
                "average": 103.6565071,
                "count": 2754258,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 80.38980489,
                "variance": 6462.52073
              },
              {
                "average": 7.533356352,
                "count": 2754258,
                "maximum": 10,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.406558909,
                "variance": 1.978407965
              },
              {
                "average": 62869774.35,
                "count": 2754258,
                "maximum": 62871004.99,
                "minimum": 62868318.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 738.1712759,
                "variance": 544896.8326
              },
              {
                "average": 0,
                "count": 2754258,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2754258,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2754258,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2754258,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2754258,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582999.5885,
              2386998.463,
              -25.64164034,
              583999.6085,
              2387998.463,
              0.5183596643
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582999.5884994456,
                    2386998.4631199976,
                    -25.641640335697225
                  ],
                  [
                    582999.5884994456,
                    2387998.4631199976,
                    -25.641640335697225
                  ],
                  [
                    583999.6084994456,
                    2387998.4631199976,
                    0.518359664302777
                  ],
                  [
                    583999.6084994456,
                    2386998.4631199976,
                    0.518359664302777
                  ],
                  [
                    582999.5884994456,
                    2386998.4631199976,
                    -25.641640335697225
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:56:44+00:00",
            "end_time": "2013-09-10T17:11:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0558.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9875550824,
              21.32088120861401,
              -4.289241268112466
            ],
            [
              -157.98750170760007,
              21.328661544660523,
              -4.289241268112466
            ],
            [
              -157.97786000132646,
              21.328603211533473,
              34.09075873188753
            ],
            [
              -157.97791389149302,
              21.320822896889453,
              34.09075873188753
            ],
            [
              -157.9875550824,
              21.32088120861401,
              -4.289241268112466
            ]
          ]
        ]
      },
      "bbox": [
        -157.9875551,
        21.3208229,
        -4.289241268,
        -157.97786,
        21.32866154,
        34.09075873
      ],
      "properties": {
        "datetime": "2013-09-15T10:29:12Z",
        "pc:count": 5162150,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 605504.0515,
            "count": 5162150,
            "maximum": 605999.7234,
            "minimum": 604999.7234,
            "name": "X",
            "position": 0,
            "stddev": 292.5833851,
            "variance": 85605.03726
          },
          {
            "average": 2358444.882,
            "count": 5162150,
            "maximum": 2358859.679,
            "minimum": 2357998.439,
            "name": "Y",
            "position": 1,
            "stddev": 223.9416833,
            "variance": 50149.87753
          },
          {
            "average": 6.074634107,
            "count": 5162150,
            "maximum": 34.09075873,
            "minimum": -4.289241268,
            "name": "Z",
            "position": 2,
            "stddev": 4.152968726,
            "variance": 17.24714924
          },
          {
            "average": 18.34195074,
            "count": 5162150,
            "maximum": 851,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 26.64658201,
            "variance": 710.0403331
          },
          {
            "average": 1.52110884,
            "count": 5162150,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8678792957,
            "variance": 0.7532144719
          },
          {
            "average": 1.984631791,
            "count": 5162150,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.233584585,
            "variance": 1.521730929
          },
          {
            "average": 1,
            "count": 5162150,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5162150,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.292434354,
            "count": 5162150,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.290510914,
            "variance": 1.665418419
          },
          {
            "average": 0,
            "count": 5162150,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.75581763,
            "count": 5162150,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.37013807,
            "variance": 4273.254951
          },
          {
            "average": 2.826108114,
            "count": 5162150,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.512694312,
            "variance": 2.288244083
          },
          {
            "average": 63274213.54,
            "count": 5162150,
            "maximum": 63276152.77,
            "minimum": 63273412.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 674.2433822,
            "variance": 454604.1384
          },
          {
            "average": 0,
            "count": 5162150,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5162150,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5162150,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5162150,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5162150,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          604999.7234,
          2357998.439,
          -4.289241268,
          605999.7234,
          2358859.679,
          34.09075873
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                604999.7234292425,
                2357998.4389692512,
                -4.289241268112466
              ],
              [
                604999.7234292425,
                2358859.6789692515,
                -4.289241268112466
              ],
              [
                605999.7234292425,
                2358859.6789692515,
                34.09075873188753
              ],
              [
                605999.7234292425,
                2357998.4389692512,
                34.09075873188753
              ],
              [
                604999.7234292425,
                2357998.4389692512,
                -4.289241268112466
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:29:12+00:00",
        "end_time": "2013-09-15T09:43:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0558.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0558.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0558.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0558.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9875551,
            21.3208229,
            -4.289241268,
            -157.97786,
            21.32866154,
            34.09075873
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9875550824,
                  21.32088120861401,
                  -4.289241268112466
                ],
                [
                  -157.98750170760007,
                  21.328661544660523,
                  -4.289241268112466
                ],
                [
                  -157.97786000132646,
                  21.328603211533473,
                  34.09075873188753
                ],
                [
                  -157.97791389149302,
                  21.320822896889453,
                  34.09075873188753
                ],
                [
                  -157.9875550824,
                  21.32088120861401,
                  -4.289241268112466
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0558.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0558.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:29:12Z",
            "pc:count": 5162150,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 605504.0515,
                "count": 5162150,
                "maximum": 605999.7234,
                "minimum": 604999.7234,
                "name": "X",
                "position": 0,
                "stddev": 292.5833851,
                "variance": 85605.03726
              },
              {
                "average": 2358444.882,
                "count": 5162150,
                "maximum": 2358859.679,
                "minimum": 2357998.439,
                "name": "Y",
                "position": 1,
                "stddev": 223.9416833,
                "variance": 50149.87753
              },
              {
                "average": 6.074634107,
                "count": 5162150,
                "maximum": 34.09075873,
                "minimum": -4.289241268,
                "name": "Z",
                "position": 2,
                "stddev": 4.152968726,
                "variance": 17.24714924
              },
              {
                "average": 18.34195074,
                "count": 5162150,
                "maximum": 851,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 26.64658201,
                "variance": 710.0403331
              },
              {
                "average": 1.52110884,
                "count": 5162150,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8678792957,
                "variance": 0.7532144719
              },
              {
                "average": 1.984631791,
                "count": 5162150,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.233584585,
                "variance": 1.521730929
              },
              {
                "average": 1,
                "count": 5162150,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5162150,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.292434354,
                "count": 5162150,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.290510914,
                "variance": 1.665418419
              },
              {
                "average": 0,
                "count": 5162150,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.75581763,
                "count": 5162150,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.37013807,
                "variance": 4273.254951
              },
              {
                "average": 2.826108114,
                "count": 5162150,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.512694312,
                "variance": 2.288244083
              },
              {
                "average": 63274213.54,
                "count": 5162150,
                "maximum": 63276152.77,
                "minimum": 63273412.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 674.2433822,
                "variance": 454604.1384
              },
              {
                "average": 0,
                "count": 5162150,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5162150,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5162150,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5162150,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5162150,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              604999.7234,
              2357998.439,
              -4.289241268,
              605999.7234,
              2358859.679,
              34.09075873
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    604999.7234292425,
                    2357998.4389692512,
                    -4.289241268112466
                  ],
                  [
                    604999.7234292425,
                    2358859.6789692515,
                    -4.289241268112466
                  ],
                  [
                    605999.7234292425,
                    2358859.6789692515,
                    34.09075873188753
                  ],
                  [
                    605999.7234292425,
                    2357998.4389692512,
                    34.09075873188753
                  ],
                  [
                    604999.7234292425,
                    2357998.4389692512,
                    -4.289241268112466
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:29:12+00:00",
            "end_time": "2013-09-15T09:43:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8388.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1981898087357,
              21.593052985046977,
              -26.251378649797154
            ],
            [
              -158.19818757449323,
              21.593458797693113,
              -26.251378649797154
            ],
            [
              -158.1885280178784,
              21.593411995626237,
              -21.471378649797153
            ],
            [
              -158.18853027910865,
              21.593006183925198,
              -21.471378649797153
            ],
            [
              -158.1981898087357,
              21.593052985046977,
              -26.251378649797154
            ]
          ]
        ]
      },
      "bbox": [
        -158.1981898,
        21.59300618,
        -26.25137865,
        -158.188528,
        21.5934588,
        -21.47137865
      ],
      "properties": {
        "datetime": "2013-09-10T17:56:43Z",
        "pc:count": 21660,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 583582.7464,
            "count": 21660,
            "maximum": 583999.588,
            "minimum": 582999.608,
            "name": "X",
            "position": 0,
            "stddev": 284.4750822,
            "variance": 80926.07241
          },
          {
            "average": 2388012.023,
            "count": 21660,
            "maximum": 2388043.387,
            "minimum": 2387998.467,
            "name": "Y",
            "position": 1,
            "stddev": 9.76967369,
            "variance": 95.44652401
          },
          {
            "average": -24.90822814,
            "count": 21660,
            "maximum": -21.47137865,
            "minimum": -26.25137865,
            "name": "Z",
            "position": 2,
            "stddev": 0.7720824068,
            "variance": 0.5961112429
          },
          {
            "average": 689.9834257,
            "count": 21660,
            "maximum": 1106,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 194.7991913,
            "variance": 37946.72492
          },
          {
            "average": 1.001200369,
            "count": 21660,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03462634564,
            "variance": 0.001198983813
          },
          {
            "average": 1.001246537,
            "count": 21660,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03528513882,
            "variance": 0.001245041022
          },
          {
            "average": 1,
            "count": 21660,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21660,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 21660,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.034521879,
            "count": 21660,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.985353642,
            "variance": 35.82445822
          },
          {
            "average": 248.4408126,
            "count": 21660,
            "maximum": 251,
            "minimum": 32,
            "name": "UserData",
            "position": 10,
            "stddev": 9.088148696,
            "variance": 82.59444673
          },
          {
            "average": 10,
            "count": 21660,
            "maximum": 10,
            "minimum": 10,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62870994.16,
            "count": 21660,
            "maximum": 62871003.2,
            "minimum": 62870986.44,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.22376193,
            "variance": 17.84016484
          },
          {
            "average": 0,
            "count": 21660,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21660,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21660,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21660,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21660,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          582999.608,
          2387998.467,
          -26.25137865,
          583999.588,
          2388043.387,
          -21.47137865
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                582999.6080335862,
                2387998.466891364,
                -26.251378649797154
              ],
              [
                582999.6080335862,
                2388043.386891364,
                -26.251378649797154
              ],
              [
                583999.5880335862,
                2388043.386891364,
                -21.471378649797153
              ],
              [
                583999.5880335862,
                2387998.466891364,
                -21.471378649797153
              ],
              [
                582999.6080335862,
                2387998.466891364,
                -26.251378649797154
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:56:43+00:00",
        "end_time": "2013-09-10T17:56:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8388.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8388.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8388.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8388.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1981898,
            21.59300618,
            -26.25137865,
            -158.188528,
            21.5934588,
            -21.47137865
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1981898087357,
                  21.593052985046977,
                  -26.251378649797154
                ],
                [
                  -158.19818757449323,
                  21.593458797693113,
                  -26.251378649797154
                ],
                [
                  -158.1885280178784,
                  21.593411995626237,
                  -21.471378649797153
                ],
                [
                  -158.18853027910865,
                  21.593006183925198,
                  -21.471378649797153
                ],
                [
                  -158.1981898087357,
                  21.593052985046977,
                  -26.251378649797154
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8388.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8388.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:56:43Z",
            "pc:count": 21660,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 583582.7464,
                "count": 21660,
                "maximum": 583999.588,
                "minimum": 582999.608,
                "name": "X",
                "position": 0,
                "stddev": 284.4750822,
                "variance": 80926.07241
              },
              {
                "average": 2388012.023,
                "count": 21660,
                "maximum": 2388043.387,
                "minimum": 2387998.467,
                "name": "Y",
                "position": 1,
                "stddev": 9.76967369,
                "variance": 95.44652401
              },
              {
                "average": -24.90822814,
                "count": 21660,
                "maximum": -21.47137865,
                "minimum": -26.25137865,
                "name": "Z",
                "position": 2,
                "stddev": 0.7720824068,
                "variance": 0.5961112429
              },
              {
                "average": 689.9834257,
                "count": 21660,
                "maximum": 1106,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 194.7991913,
                "variance": 37946.72492
              },
              {
                "average": 1.001200369,
                "count": 21660,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03462634564,
                "variance": 0.001198983813
              },
              {
                "average": 1.001246537,
                "count": 21660,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03528513882,
                "variance": 0.001245041022
              },
              {
                "average": 1,
                "count": 21660,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21660,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 21660,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.034521879,
                "count": 21660,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.985353642,
                "variance": 35.82445822
              },
              {
                "average": 248.4408126,
                "count": 21660,
                "maximum": 251,
                "minimum": 32,
                "name": "UserData",
                "position": 10,
                "stddev": 9.088148696,
                "variance": 82.59444673
              },
              {
                "average": 10,
                "count": 21660,
                "maximum": 10,
                "minimum": 10,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62870994.16,
                "count": 21660,
                "maximum": 62871003.2,
                "minimum": 62870986.44,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.22376193,
                "variance": 17.84016484
              },
              {
                "average": 0,
                "count": 21660,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21660,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21660,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21660,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21660,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              582999.608,
              2387998.467,
              -26.25137865,
              583999.588,
              2388043.387,
              -21.47137865
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    582999.6080335862,
                    2387998.466891364,
                    -26.251378649797154
                  ],
                  [
                    582999.6080335862,
                    2388043.386891364,
                    -26.251378649797154
                  ],
                  [
                    583999.5880335862,
                    2388043.386891364,
                    -21.471378649797153
                  ],
                  [
                    583999.5880335862,
                    2387998.466891364,
                    -21.471378649797153
                  ],
                  [
                    582999.6080335862,
                    2387998.466891364,
                    -26.251378649797154
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:56:43+00:00",
            "end_time": "2013-09-10T17:56:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8465.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1852127643569,
              21.38664137368953,
              -37.47131179588043
            ],
            [
              -158.18517072401278,
              21.394232006836454,
              -37.47131179588043
            ],
            [
              -158.17998417153368,
              21.394206716985096,
              -11.591311795880435
            ],
            [
              -158.1800264791699,
              21.38661609353108,
              -11.591311795880435
            ],
            [
              -158.1852127643569,
              21.38664137368953,
              -37.47131179588043
            ]
          ]
        ]
      },
      "bbox": [
        -158.1852128,
        21.38661609,
        -37.4713118,
        -158.1799842,
        21.39423201,
        -11.5913118
      ],
      "properties": {
        "datetime": "2013-09-19T00:45:58Z",
        "pc:count": 374163,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584817.0036,
            "count": 374163,
            "maximum": 584999.645,
            "minimum": 584461.985,
            "name": "X",
            "position": 0,
            "stddev": 130.6727779,
            "variance": 17075.37489
          },
          {
            "average": 2365782.877,
            "count": 374163,
            "maximum": 2365998.469,
            "minimum": 2365158.269,
            "name": "Y",
            "position": 1,
            "stddev": 159.5794239,
            "variance": 25465.59253
          },
          {
            "average": -14.63891541,
            "count": 374163,
            "maximum": -11.5913118,
            "minimum": -37.4713118,
            "name": "Z",
            "position": 2,
            "stddev": 4.076665358,
            "variance": 16.61920044
          },
          {
            "average": 123.2646333,
            "count": 374163,
            "maximum": 7305,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 273.5242459,
            "variance": 74815.51309
          },
          {
            "average": 1.003546583,
            "count": 374163,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0605610914,
            "variance": 0.003667645792
          },
          {
            "average": 1.006294048,
            "count": 374163,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08085635247,
            "variance": 0.006537749735
          },
          {
            "average": 1,
            "count": 374163,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 374163,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 374163,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.81197746,
            "count": 374163,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.879513378,
            "variance": 34.56867756
          },
          {
            "average": 134.3269297,
            "count": 374163,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.64112035,
            "variance": 7857.248217
          },
          {
            "average": 9.043585282,
            "count": 374163,
            "maximum": 10,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.389798875,
            "variance": 1.931540913
          },
          {
            "average": 62925300.09,
            "count": 374163,
            "maximum": 63586758.6,
            "minimum": 62893790.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 143579.0127,
            "variance": 20614932890.0
          },
          {
            "average": 0,
            "count": 374163,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 374163,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 374163,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 374163,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 374163,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          584461.985,
          2365158.269,
          -37.4713118,
          584999.645,
          2365998.469,
          -11.5913118
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                584461.9850457917,
                2365158.2692430965,
                -37.47131179588043
              ],
              [
                584461.9850457917,
                2365998.4692430967,
                -37.47131179588043
              ],
              [
                584999.6450457916,
                2365998.4692430967,
                -11.591311795880435
              ],
              [
                584999.6450457916,
                2365158.2692430965,
                -11.591311795880435
              ],
              [
                584461.9850457917,
                2365158.2692430965,
                -37.47131179588043
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:45:58+00:00",
        "end_time": "2013-09-11T00:16:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8465.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8465.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8465.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8465.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1852128,
            21.38661609,
            -37.4713118,
            -158.1799842,
            21.39423201,
            -11.5913118
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1852127643569,
                  21.38664137368953,
                  -37.47131179588043
                ],
                [
                  -158.18517072401278,
                  21.394232006836454,
                  -37.47131179588043
                ],
                [
                  -158.17998417153368,
                  21.394206716985096,
                  -11.591311795880435
                ],
                [
                  -158.1800264791699,
                  21.38661609353108,
                  -11.591311795880435
                ],
                [
                  -158.1852127643569,
                  21.38664137368953,
                  -37.47131179588043
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8465.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8465.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:45:58Z",
            "pc:count": 374163,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584817.0036,
                "count": 374163,
                "maximum": 584999.645,
                "minimum": 584461.985,
                "name": "X",
                "position": 0,
                "stddev": 130.6727779,
                "variance": 17075.37489
              },
              {
                "average": 2365782.877,
                "count": 374163,
                "maximum": 2365998.469,
                "minimum": 2365158.269,
                "name": "Y",
                "position": 1,
                "stddev": 159.5794239,
                "variance": 25465.59253
              },
              {
                "average": -14.63891541,
                "count": 374163,
                "maximum": -11.5913118,
                "minimum": -37.4713118,
                "name": "Z",
                "position": 2,
                "stddev": 4.076665358,
                "variance": 16.61920044
              },
              {
                "average": 123.2646333,
                "count": 374163,
                "maximum": 7305,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 273.5242459,
                "variance": 74815.51309
              },
              {
                "average": 1.003546583,
                "count": 374163,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0605610914,
                "variance": 0.003667645792
              },
              {
                "average": 1.006294048,
                "count": 374163,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08085635247,
                "variance": 0.006537749735
              },
              {
                "average": 1,
                "count": 374163,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 374163,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 374163,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.81197746,
                "count": 374163,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.879513378,
                "variance": 34.56867756
              },
              {
                "average": 134.3269297,
                "count": 374163,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.64112035,
                "variance": 7857.248217
              },
              {
                "average": 9.043585282,
                "count": 374163,
                "maximum": 10,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.389798875,
                "variance": 1.931540913
              },
              {
                "average": 62925300.09,
                "count": 374163,
                "maximum": 63586758.6,
                "minimum": 62893790.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 143579.0127,
                "variance": 20614932890.0
              },
              {
                "average": 0,
                "count": 374163,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 374163,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 374163,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 374163,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 374163,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              584461.985,
              2365158.269,
              -37.4713118,
              584999.645,
              2365998.469,
              -11.5913118
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    584461.9850457917,
                    2365158.2692430965,
                    -37.47131179588043
                  ],
                  [
                    584461.9850457917,
                    2365998.4692430967,
                    -37.47131179588043
                  ],
                  [
                    584999.6450457916,
                    2365998.4692430967,
                    -11.591311795880435
                  ],
                  [
                    584999.6450457916,
                    2365158.2692430965,
                    -11.591311795880435
                  ],
                  [
                    584461.9850457917,
                    2365158.2692430965,
                    -37.47131179588043
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:45:58+00:00",
            "end_time": "2013-09-11T00:16:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9796.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.062490010989,
              21.664616889987325,
              -24.03956149384981
            ],
            [
              -158.06243162515904,
              21.673650782678013,
              -24.03956149384981
            ],
            [
              -158.05276673781196,
              21.673595900127815,
              0.080438506150193
            ],
            [
              -158.05282572595698,
              21.664562032330775,
              0.080438506150193
            ],
            [
              -158.062490010989,
              21.664616889987325,
              -24.03956149384981
            ]
          ]
        ]
      },
      "bbox": [
        -158.06249,
        21.66456203,
        -24.03956149,
        -158.0527667,
        21.67365078,
        0.08043850615
      ],
      "properties": {
        "datetime": "2013-09-18T18:38:18Z",
        "pc:count": 5068560,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 597481.6969,
            "count": 5068560,
            "maximum": 597999.6572,
            "minimum": 596999.6372,
            "name": "X",
            "position": 0,
            "stddev": 286.413922,
            "variance": 82032.93474
          },
          {
            "average": 2396411.919,
            "count": 5068560,
            "maximum": 2396998.499,
            "minimum": 2395998.479,
            "name": "Y",
            "position": 1,
            "stddev": 273.0651841,
            "variance": 74564.59478
          },
          {
            "average": -10.41864839,
            "count": 5068560,
            "maximum": 0.08043850615,
            "minimum": -24.03956149,
            "name": "Z",
            "position": 2,
            "stddev": 1.894368749,
            "variance": 3.588632958
          },
          {
            "average": 18.32008006,
            "count": 5068560,
            "maximum": 7663,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.67840405,
            "variance": 2369.587021
          },
          {
            "average": 1.008680177,
            "count": 5068560,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09341925048,
            "variance": 0.00872715636
          },
          {
            "average": 1.018083834,
            "count": 5068560,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1350123969,
            "variance": 0.01822834731
          },
          {
            "average": 1,
            "count": 5068560,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5068560,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5068560,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.67922503,
            "count": 5068560,
            "maximum": 34.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.864314869,
            "variance": 23.66155915
          },
          {
            "average": 95.92206761,
            "count": 5068560,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 68.82650666,
            "variance": 4737.088019
          },
          {
            "average": 3.462038133,
            "count": 5068560,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.55510894,
            "variance": 2.418363815
          },
          {
            "average": 62805546.52,
            "count": 5068560,
            "maximum": 63564698.3,
            "minimum": 62796191.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 52129.12688,
            "variance": 2717445869
          },
          {
            "average": 0,
            "count": 5068560,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5068560,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5068560,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5068560,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5068560,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          596999.6372,
          2395998.479,
          -24.03956149,
          597999.6572,
          2396998.499,
          0.08043850615
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                596999.6371569841,
                2395998.4790716916,
                -24.03956149384981
              ],
              [
                596999.6371569841,
                2396998.499071691,
                -24.03956149384981
              ],
              [
                597999.6571569841,
                2396998.499071691,
                0.080438506150193
              ],
              [
                597999.6571569841,
                2395998.4790716916,
                0.080438506150193
              ],
              [
                596999.6371569841,
                2395998.4790716916,
                -24.03956149384981
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T18:38:18+00:00",
        "end_time": "2013-09-09T21:09:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9796.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9796.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9796.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9796.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.06249,
            21.66456203,
            -24.03956149,
            -158.0527667,
            21.67365078,
            0.08043850615
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.062490010989,
                  21.664616889987325,
                  -24.03956149384981
                ],
                [
                  -158.06243162515904,
                  21.673650782678013,
                  -24.03956149384981
                ],
                [
                  -158.05276673781196,
                  21.673595900127815,
                  0.080438506150193
                ],
                [
                  -158.05282572595698,
                  21.664562032330775,
                  0.080438506150193
                ],
                [
                  -158.062490010989,
                  21.664616889987325,
                  -24.03956149384981
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9796.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9796.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T18:38:18Z",
            "pc:count": 5068560,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 597481.6969,
                "count": 5068560,
                "maximum": 597999.6572,
                "minimum": 596999.6372,
                "name": "X",
                "position": 0,
                "stddev": 286.413922,
                "variance": 82032.93474
              },
              {
                "average": 2396411.919,
                "count": 5068560,
                "maximum": 2396998.499,
                "minimum": 2395998.479,
                "name": "Y",
                "position": 1,
                "stddev": 273.0651841,
                "variance": 74564.59478
              },
              {
                "average": -10.41864839,
                "count": 5068560,
                "maximum": 0.08043850615,
                "minimum": -24.03956149,
                "name": "Z",
                "position": 2,
                "stddev": 1.894368749,
                "variance": 3.588632958
              },
              {
                "average": 18.32008006,
                "count": 5068560,
                "maximum": 7663,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.67840405,
                "variance": 2369.587021
              },
              {
                "average": 1.008680177,
                "count": 5068560,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09341925048,
                "variance": 0.00872715636
              },
              {
                "average": 1.018083834,
                "count": 5068560,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1350123969,
                "variance": 0.01822834731
              },
              {
                "average": 1,
                "count": 5068560,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5068560,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5068560,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.67922503,
                "count": 5068560,
                "maximum": 34.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.864314869,
                "variance": 23.66155915
              },
              {
                "average": 95.92206761,
                "count": 5068560,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 68.82650666,
                "variance": 4737.088019
              },
              {
                "average": 3.462038133,
                "count": 5068560,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.55510894,
                "variance": 2.418363815
              },
              {
                "average": 62805546.52,
                "count": 5068560,
                "maximum": 63564698.3,
                "minimum": 62796191.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 52129.12688,
                "variance": 2717445869
              },
              {
                "average": 0,
                "count": 5068560,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5068560,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5068560,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5068560,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5068560,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              596999.6372,
              2395998.479,
              -24.03956149,
              597999.6572,
              2396998.499,
              0.08043850615
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    596999.6371569841,
                    2395998.4790716916,
                    -24.03956149384981
                  ],
                  [
                    596999.6371569841,
                    2396998.499071691,
                    -24.03956149384981
                  ],
                  [
                    597999.6571569841,
                    2396998.499071691,
                    0.080438506150193
                  ],
                  [
                    597999.6571569841,
                    2395998.4790716916,
                    0.080438506150193
                  ],
                  [
                    596999.6371569841,
                    2395998.4790716916,
                    -24.03956149384981
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T18:38:18+00:00",
            "end_time": "2013-09-09T21:09:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9693.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.07232730450377,
              21.63756986256922,
              -25.753149185270473
            ],
            [
              -158.07226961064256,
              21.64660381032582,
              -25.753149185270473
            ],
            [
              -158.0626064968884,
              21.646549564629016,
              90.44685081472953
            ],
            [
              -158.0626647927694,
              21.637515641310387,
              90.44685081472953
            ],
            [
              -158.07232730450377,
              21.63756986256922,
              -25.753149185270473
            ]
          ]
        ]
      },
      "bbox": [
        -158.0723273,
        21.63751564,
        -25.75314919,
        -158.0626065,
        21.64660381,
        90.44685081
      ],
      "properties": {
        "datetime": "2013-09-22T23:57:31Z",
        "pc:count": 6424557,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 596649.4918,
            "count": 6424557,
            "maximum": 596999.6571,
            "minimum": 595999.6371,
            "name": "X",
            "position": 0,
            "stddev": 280.2913526,
            "variance": 78563.24235
          },
          {
            "average": 2393426.645,
            "count": 6424557,
            "maximum": 2393998.494,
            "minimum": 2392998.474,
            "name": "Y",
            "position": 1,
            "stddev": 317.6931799,
            "variance": 100928.9565
          },
          {
            "average": 5.373952881,
            "count": 6424557,
            "maximum": 90.44685081,
            "minimum": -25.75314919,
            "name": "Z",
            "position": 2,
            "stddev": 20.74249831,
            "variance": 430.251236
          },
          {
            "average": 38.44643265,
            "count": 6424557,
            "maximum": 7571,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 99.27935857,
            "variance": 9856.391037
          },
          {
            "average": 1.38659864,
            "count": 6424557,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8174591926,
            "variance": 0.6682395316
          },
          {
            "average": 1.770397554,
            "count": 6424557,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.254743643,
            "variance": 1.574381609
          },
          {
            "average": 1,
            "count": 6424557,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6424557,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.67214393,
            "count": 6424557,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.93509179,
            "variance": 194.1867832
          },
          {
            "average": 18.25808542,
            "count": 6424557,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.790779273,
            "variance": 46.11468313
          },
          {
            "average": 107.8194562,
            "count": 6424557,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 80.29575876,
            "variance": 6447.408874
          },
          {
            "average": 4.927114196,
            "count": 6424557,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.635934334,
            "variance": 6.948149812
          },
          {
            "average": 63228875.36,
            "count": 6424557,
            "maximum": 63929451.73,
            "minimum": 62799058.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 395409.4904,
            "variance": 156348665100.0
          },
          {
            "average": 0,
            "count": 6424557,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6424557,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6424557,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6424557,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6424557,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          595999.6371,
          2392998.474,
          -25.75314919,
          596999.6571,
          2393998.494,
          90.44685081
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                595999.6370904114,
                2392998.4735062886,
                -25.753149185270473
              ],
              [
                595999.6370904114,
                2393998.493506288,
                -25.753149185270473
              ],
              [
                596999.6570904114,
                2393998.493506288,
                90.44685081472953
              ],
              [
                596999.6570904114,
                2392998.4735062886,
                90.44685081472953
              ],
              [
                595999.6370904114,
                2392998.4735062886,
                -25.753149185270473
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:57:31+00:00",
        "end_time": "2013-09-09T21:57:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9693.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9693.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9693.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9693.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0723273,
            21.63751564,
            -25.75314919,
            -158.0626065,
            21.64660381,
            90.44685081
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.07232730450377,
                  21.63756986256922,
                  -25.753149185270473
                ],
                [
                  -158.07226961064256,
                  21.64660381032582,
                  -25.753149185270473
                ],
                [
                  -158.0626064968884,
                  21.646549564629016,
                  90.44685081472953
                ],
                [
                  -158.0626647927694,
                  21.637515641310387,
                  90.44685081472953
                ],
                [
                  -158.07232730450377,
                  21.63756986256922,
                  -25.753149185270473
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9693.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9693.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:57:31Z",
            "pc:count": 6424557,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 596649.4918,
                "count": 6424557,
                "maximum": 596999.6571,
                "minimum": 595999.6371,
                "name": "X",
                "position": 0,
                "stddev": 280.2913526,
                "variance": 78563.24235
              },
              {
                "average": 2393426.645,
                "count": 6424557,
                "maximum": 2393998.494,
                "minimum": 2392998.474,
                "name": "Y",
                "position": 1,
                "stddev": 317.6931799,
                "variance": 100928.9565
              },
              {
                "average": 5.373952881,
                "count": 6424557,
                "maximum": 90.44685081,
                "minimum": -25.75314919,
                "name": "Z",
                "position": 2,
                "stddev": 20.74249831,
                "variance": 430.251236
              },
              {
                "average": 38.44643265,
                "count": 6424557,
                "maximum": 7571,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 99.27935857,
                "variance": 9856.391037
              },
              {
                "average": 1.38659864,
                "count": 6424557,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8174591926,
                "variance": 0.6682395316
              },
              {
                "average": 1.770397554,
                "count": 6424557,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.254743643,
                "variance": 1.574381609
              },
              {
                "average": 1,
                "count": 6424557,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6424557,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.67214393,
                "count": 6424557,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.93509179,
                "variance": 194.1867832
              },
              {
                "average": 18.25808542,
                "count": 6424557,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.790779273,
                "variance": 46.11468313
              },
              {
                "average": 107.8194562,
                "count": 6424557,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 80.29575876,
                "variance": 6447.408874
              },
              {
                "average": 4.927114196,
                "count": 6424557,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.635934334,
                "variance": 6.948149812
              },
              {
                "average": 63228875.36,
                "count": 6424557,
                "maximum": 63929451.73,
                "minimum": 62799058.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 395409.4904,
                "variance": 156348665100.0
              },
              {
                "average": 0,
                "count": 6424557,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6424557,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6424557,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6424557,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6424557,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              595999.6371,
              2392998.474,
              -25.75314919,
              596999.6571,
              2393998.494,
              90.44685081
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    595999.6370904114,
                    2392998.4735062886,
                    -25.753149185270473
                  ],
                  [
                    595999.6370904114,
                    2393998.493506288,
                    -25.753149185270473
                  ],
                  [
                    596999.6570904114,
                    2393998.493506288,
                    90.44685081472953
                  ],
                  [
                    596999.6570904114,
                    2392998.4735062886,
                    90.44685081472953
                  ],
                  [
                    595999.6370904114,
                    2392998.4735062886,
                    -25.753149185270473
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:57:31+00:00",
            "end_time": "2013-09-09T21:57:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8466.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.189630706739,
              21.39425359420025,
              -17.08259758051625
            ],
            [
              -158.18958091516987,
              21.403287914677485,
              -17.08259758051625
            ],
            [
              -158.17993378798204,
              21.403240985417966,
              -4.282597580516248
            ],
            [
              -158.17998417153157,
              21.394206686315737,
              -4.282597580516248
            ],
            [
              -158.189630706739,
              21.39425359420025,
              -17.08259758051625
            ]
          ]
        ]
      },
      "bbox": [
        -158.1896307,
        21.39420669,
        -17.08259758,
        -158.1799338,
        21.40328791,
        -4.282597581
      ],
      "properties": {
        "datetime": "2013-09-19T00:45:57Z",
        "pc:count": 2721247,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584605.2518,
            "count": 2721247,
            "maximum": 584999.6451,
            "minimum": 583999.6451,
            "name": "X",
            "position": 0,
            "stddev": 259.7055802,
            "variance": 67446.98837
          },
          {
            "average": 2366596.591,
            "count": 2721247,
            "maximum": 2366998.466,
            "minimum": 2365998.466,
            "name": "Y",
            "position": 1,
            "stddev": 274.0711679,
            "variance": 75115.00507
          },
          {
            "average": -9.923918236,
            "count": 2721247,
            "maximum": -4.282597581,
            "minimum": -17.08259758,
            "name": "Z",
            "position": 2,
            "stddev": 1.96981504,
            "variance": 3.880171291
          },
          {
            "average": 21.46148255,
            "count": 2721247,
            "maximum": 6994,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.59181639,
            "variance": 2361.16462
          },
          {
            "average": 1.007241166,
            "count": 2721247,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08535659368,
            "variance": 0.007285748085
          },
          {
            "average": 1.014382377,
            "count": 2721247,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1203320478,
            "variance": 0.01447980173
          },
          {
            "average": 1,
            "count": 2721247,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2721247,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2721247,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.41196204,
            "count": 2721247,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.907362728,
            "variance": 15.26748349
          },
          {
            "average": 96.68448031,
            "count": 2721247,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 73.14943903,
            "variance": 5350.84043
          },
          {
            "average": 6.300881177,
            "count": 2721247,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.762532476,
            "variance": 14.15665064
          },
          {
            "average": 63214887.89,
            "count": 2721247,
            "maximum": 63586757.9,
            "minimum": 62723117.06,
            "name": "GpsTime",
            "position": 12,
            "stddev": 351679.8324,
            "variance": 123678704500.0
          },
          {
            "average": 0,
            "count": 2721247,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2721247,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2721247,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2721247,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2721247,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583999.6451,
          2365998.466,
          -17.08259758,
          584999.6451,
          2366998.466,
          -4.282597581
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583999.6450637295,
                2365998.4658484226,
                -17.08259758051625
              ],
              [
                583999.6450637295,
                2366998.4658484226,
                -17.08259758051625
              ],
              [
                584999.6450637295,
                2366998.4658484226,
                -4.282597580516248
              ],
              [
                584999.6450637295,
                2365998.4658484226,
                -4.282597580516248
              ],
              [
                583999.6450637295,
                2365998.4658484226,
                -17.08259758051625
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:45:57+00:00",
        "end_time": "2013-09-09T00:51:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8466.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8466.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8466.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8466.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1896307,
            21.39420669,
            -17.08259758,
            -158.1799338,
            21.40328791,
            -4.282597581
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.189630706739,
                  21.39425359420025,
                  -17.08259758051625
                ],
                [
                  -158.18958091516987,
                  21.403287914677485,
                  -17.08259758051625
                ],
                [
                  -158.17993378798204,
                  21.403240985417966,
                  -4.282597580516248
                ],
                [
                  -158.17998417153157,
                  21.394206686315737,
                  -4.282597580516248
                ],
                [
                  -158.189630706739,
                  21.39425359420025,
                  -17.08259758051625
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8466.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8466.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:45:57Z",
            "pc:count": 2721247,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584605.2518,
                "count": 2721247,
                "maximum": 584999.6451,
                "minimum": 583999.6451,
                "name": "X",
                "position": 0,
                "stddev": 259.7055802,
                "variance": 67446.98837
              },
              {
                "average": 2366596.591,
                "count": 2721247,
                "maximum": 2366998.466,
                "minimum": 2365998.466,
                "name": "Y",
                "position": 1,
                "stddev": 274.0711679,
                "variance": 75115.00507
              },
              {
                "average": -9.923918236,
                "count": 2721247,
                "maximum": -4.282597581,
                "minimum": -17.08259758,
                "name": "Z",
                "position": 2,
                "stddev": 1.96981504,
                "variance": 3.880171291
              },
              {
                "average": 21.46148255,
                "count": 2721247,
                "maximum": 6994,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.59181639,
                "variance": 2361.16462
              },
              {
                "average": 1.007241166,
                "count": 2721247,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08535659368,
                "variance": 0.007285748085
              },
              {
                "average": 1.014382377,
                "count": 2721247,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1203320478,
                "variance": 0.01447980173
              },
              {
                "average": 1,
                "count": 2721247,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2721247,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2721247,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.41196204,
                "count": 2721247,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.907362728,
                "variance": 15.26748349
              },
              {
                "average": 96.68448031,
                "count": 2721247,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 73.14943903,
                "variance": 5350.84043
              },
              {
                "average": 6.300881177,
                "count": 2721247,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.762532476,
                "variance": 14.15665064
              },
              {
                "average": 63214887.89,
                "count": 2721247,
                "maximum": 63586757.9,
                "minimum": 62723117.06,
                "name": "GpsTime",
                "position": 12,
                "stddev": 351679.8324,
                "variance": 123678704500.0
              },
              {
                "average": 0,
                "count": 2721247,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2721247,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2721247,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2721247,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2721247,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583999.6451,
              2365998.466,
              -17.08259758,
              584999.6451,
              2366998.466,
              -4.282597581
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583999.6450637295,
                    2365998.4658484226,
                    -17.08259758051625
                  ],
                  [
                    583999.6450637295,
                    2366998.4658484226,
                    -17.08259758051625
                  ],
                  [
                    584999.6450637295,
                    2366998.4658484226,
                    -4.282597580516248
                  ],
                  [
                    584999.6450637295,
                    2365998.4658484226,
                    -4.282597580516248
                  ],
                  [
                    583999.6450637295,
                    2365998.4658484226,
                    -17.08259758051625
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:45:57+00:00",
            "end_time": "2013-09-09T00:51:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0255.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0166593565242,
              21.293950981261517,
              -14.757981776563614
            ],
            [
              -158.01659925784733,
              21.302984966181292,
              -14.757981776563614
            ],
            [
              -158.0069591431531,
              21.30292835303294,
              -2.037981776563615
            ],
            [
              -158.0070198308534,
              21.293894393969047,
              -2.037981776563615
            ],
            [
              -158.0166593565242,
              21.293950981261517,
              -14.757981776563614
            ]
          ]
        ]
      },
      "bbox": [
        -158.0166594,
        21.29389439,
        -14.75798178,
        -158.0069591,
        21.30298497,
        -2.037981777
      ],
      "properties": {
        "datetime": "2013-09-17T12:06:35Z",
        "pc:count": 5597997,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 602530.5969,
            "count": 5597997,
            "maximum": 602999.7127,
            "minimum": 601999.7127,
            "name": "X",
            "position": 0,
            "stddev": 283.925225,
            "variance": 80613.53336
          },
          {
            "average": 2355437.828,
            "count": 5597997,
            "maximum": 2355998.445,
            "minimum": 2354998.445,
            "name": "Y",
            "position": 1,
            "stddev": 260.9425834,
            "variance": 68091.03185
          },
          {
            "average": -5.126115925,
            "count": 5597997,
            "maximum": -2.037981777,
            "minimum": -14.75798178,
            "name": "Z",
            "position": 2,
            "stddev": 2.078937575,
            "variance": 4.321981441
          },
          {
            "average": 8.767092766,
            "count": 5597997,
            "maximum": 385,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.088885,
            "variance": 580.2743807
          },
          {
            "average": 1.004653093,
            "count": 5597997,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06837418711,
            "variance": 0.004675029464
          },
          {
            "average": 1.005429621,
            "count": 5597997,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07389049346,
            "variance": 0.005459805023
          },
          {
            "average": 1,
            "count": 5597997,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5597997,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5597997,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5597997,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 93.37070259,
            "count": 5597997,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 63.40780542,
            "variance": 4020.549788
          },
          {
            "average": 8.950363496,
            "count": 5597997,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.753955634,
            "variance": 22.60009417
          },
          {
            "average": 63386436.91,
            "count": 5597997,
            "maximum": 63454795.7,
            "minimum": 63292621.82,
            "name": "GpsTime",
            "position": 12,
            "stddev": 40203.19674,
            "variance": 1616297028
          },
          {
            "average": 0,
            "count": 5597997,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5597997,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5597997,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5597997,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5597997,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          601999.7127,
          2354998.445,
          -14.75798178,
          602999.7127,
          2355998.445,
          -2.037981777
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                601999.7126973774,
                2354998.4453511247,
                -14.757981776563614
              ],
              [
                601999.7126973774,
                2355998.4453511247,
                -14.757981776563614
              ],
              [
                602999.7126973774,
                2355998.4453511247,
                -2.037981776563615
              ],
              [
                602999.7126973774,
                2354998.4453511247,
                -2.037981776563615
              ],
              [
                601999.7126973774,
                2354998.4453511247,
                -14.757981776563614
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:06:35+00:00",
        "end_time": "2013-09-15T15:03:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0255.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0255.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0255.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0255.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0166594,
            21.29389439,
            -14.75798178,
            -158.0069591,
            21.30298497,
            -2.037981777
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0166593565242,
                  21.293950981261517,
                  -14.757981776563614
                ],
                [
                  -158.01659925784733,
                  21.302984966181292,
                  -14.757981776563614
                ],
                [
                  -158.0069591431531,
                  21.30292835303294,
                  -2.037981776563615
                ],
                [
                  -158.0070198308534,
                  21.293894393969047,
                  -2.037981776563615
                ],
                [
                  -158.0166593565242,
                  21.293950981261517,
                  -14.757981776563614
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0255.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0255.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:06:35Z",
            "pc:count": 5597997,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 602530.5969,
                "count": 5597997,
                "maximum": 602999.7127,
                "minimum": 601999.7127,
                "name": "X",
                "position": 0,
                "stddev": 283.925225,
                "variance": 80613.53336
              },
              {
                "average": 2355437.828,
                "count": 5597997,
                "maximum": 2355998.445,
                "minimum": 2354998.445,
                "name": "Y",
                "position": 1,
                "stddev": 260.9425834,
                "variance": 68091.03185
              },
              {
                "average": -5.126115925,
                "count": 5597997,
                "maximum": -2.037981777,
                "minimum": -14.75798178,
                "name": "Z",
                "position": 2,
                "stddev": 2.078937575,
                "variance": 4.321981441
              },
              {
                "average": 8.767092766,
                "count": 5597997,
                "maximum": 385,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.088885,
                "variance": 580.2743807
              },
              {
                "average": 1.004653093,
                "count": 5597997,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06837418711,
                "variance": 0.004675029464
              },
              {
                "average": 1.005429621,
                "count": 5597997,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07389049346,
                "variance": 0.005459805023
              },
              {
                "average": 1,
                "count": 5597997,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5597997,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5597997,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5597997,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 93.37070259,
                "count": 5597997,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 63.40780542,
                "variance": 4020.549788
              },
              {
                "average": 8.950363496,
                "count": 5597997,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.753955634,
                "variance": 22.60009417
              },
              {
                "average": 63386436.91,
                "count": 5597997,
                "maximum": 63454795.7,
                "minimum": 63292621.82,
                "name": "GpsTime",
                "position": 12,
                "stddev": 40203.19674,
                "variance": 1616297028
              },
              {
                "average": 0,
                "count": 5597997,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5597997,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5597997,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5597997,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5597997,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              601999.7127,
              2354998.445,
              -14.75798178,
              602999.7127,
              2355998.445,
              -2.037981777
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    601999.7126973774,
                    2354998.4453511247,
                    -14.757981776563614
                  ],
                  [
                    601999.7126973774,
                    2355998.4453511247,
                    -14.757981776563614
                  ],
                  [
                    602999.7126973774,
                    2355998.4453511247,
                    -2.037981776563615
                  ],
                  [
                    602999.7126973774,
                    2354998.4453511247,
                    -2.037981776563615
                  ],
                  [
                    601999.7126973774,
                    2354998.4453511247,
                    -14.757981776563614
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:06:35+00:00",
            "end_time": "2013-09-15T15:03:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0654.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.97813745054248,
              21.288494960635365,
              -51.00570600701639
            ],
            [
              -157.97810133552355,
              21.29372124604743,
              -51.00570600701639
            ],
            [
              -157.96846197989763,
              21.29366247675375,
              -12.585706007016391
            ],
            [
              -157.96849843369498,
              21.288436205268628,
              -12.585706007016391
            ],
            [
              -157.97813745054248,
              21.288494960635365,
              -51.00570600701639
            ]
          ]
        ]
      },
      "bbox": [
        -157.9781375,
        21.28843621,
        -51.00570601,
        -157.968462,
        21.29372125,
        -12.58570601
      ],
      "properties": {
        "datetime": "2013-09-17T12:16:59Z",
        "pc:count": 459200,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 606386.2116,
            "count": 459200,
            "maximum": 606999.726,
            "minimum": 605999.726,
            "name": "X",
            "position": 0,
            "stddev": 275.5993106,
            "variance": 75954.98002
          },
          {
            "average": 2354821.313,
            "count": 459200,
            "maximum": 2354998.435,
            "minimum": 2354419.915,
            "name": "Y",
            "position": 1,
            "stddev": 140.4832242,
            "variance": 19735.53629
          },
          {
            "average": -21.88215875,
            "count": 459200,
            "maximum": -12.58570601,
            "minimum": -51.00570601,
            "name": "Z",
            "position": 2,
            "stddev": 7.251097548,
            "variance": 52.57841566
          },
          {
            "average": 417.7004116,
            "count": 459200,
            "maximum": 2561,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 447.0204919,
            "variance": 199827.3202
          },
          {
            "average": 1.00744338,
            "count": 459200,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08600408593,
            "variance": 0.007396702797
          },
          {
            "average": 1.007532666,
            "count": 459200,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08651388071,
            "variance": 0.007484651556
          },
          {
            "average": 1,
            "count": 459200,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 459200,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 459200,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 459200,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 211.5628092,
            "count": 459200,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 72.83507474,
            "variance": 5304.948113
          },
          {
            "average": 4.985289634,
            "count": 459200,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.689225041,
            "variance": 7.231931323
          },
          {
            "average": 63316668.2,
            "count": 459200,
            "maximum": 63455419.16,
            "minimum": 63275587.42,
            "name": "GpsTime",
            "position": 12,
            "stddev": 71541.61447,
            "variance": 5118202600
          },
          {
            "average": 0,
            "count": 459200,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 459200,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 459200,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 459200,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 459200,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          605999.726,
          2354419.915,
          -51.00570601,
          606999.726,
          2354998.435,
          -12.58570601
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                605999.7259834751,
                2354419.915105668,
                -51.00570600701639
              ],
              [
                605999.7259834751,
                2354998.4351056674,
                -51.00570600701639
              ],
              [
                606999.7259834751,
                2354998.4351056674,
                -12.585706007016391
              ],
              [
                606999.7259834751,
                2354419.915105668,
                -12.585706007016391
              ],
              [
                605999.7259834751,
                2354419.915105668,
                -51.00570600701639
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:16:59+00:00",
        "end_time": "2013-09-15T10:19:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0654.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0654.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0654.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0654.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9781375,
            21.28843621,
            -51.00570601,
            -157.968462,
            21.29372125,
            -12.58570601
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.97813745054248,
                  21.288494960635365,
                  -51.00570600701639
                ],
                [
                  -157.97810133552355,
                  21.29372124604743,
                  -51.00570600701639
                ],
                [
                  -157.96846197989763,
                  21.29366247675375,
                  -12.585706007016391
                ],
                [
                  -157.96849843369498,
                  21.288436205268628,
                  -12.585706007016391
                ],
                [
                  -157.97813745054248,
                  21.288494960635365,
                  -51.00570600701639
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0654.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0654.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:16:59Z",
            "pc:count": 459200,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 606386.2116,
                "count": 459200,
                "maximum": 606999.726,
                "minimum": 605999.726,
                "name": "X",
                "position": 0,
                "stddev": 275.5993106,
                "variance": 75954.98002
              },
              {
                "average": 2354821.313,
                "count": 459200,
                "maximum": 2354998.435,
                "minimum": 2354419.915,
                "name": "Y",
                "position": 1,
                "stddev": 140.4832242,
                "variance": 19735.53629
              },
              {
                "average": -21.88215875,
                "count": 459200,
                "maximum": -12.58570601,
                "minimum": -51.00570601,
                "name": "Z",
                "position": 2,
                "stddev": 7.251097548,
                "variance": 52.57841566
              },
              {
                "average": 417.7004116,
                "count": 459200,
                "maximum": 2561,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 447.0204919,
                "variance": 199827.3202
              },
              {
                "average": 1.00744338,
                "count": 459200,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08600408593,
                "variance": 0.007396702797
              },
              {
                "average": 1.007532666,
                "count": 459200,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08651388071,
                "variance": 0.007484651556
              },
              {
                "average": 1,
                "count": 459200,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 459200,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 459200,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 459200,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 211.5628092,
                "count": 459200,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 72.83507474,
                "variance": 5304.948113
              },
              {
                "average": 4.985289634,
                "count": 459200,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.689225041,
                "variance": 7.231931323
              },
              {
                "average": 63316668.2,
                "count": 459200,
                "maximum": 63455419.16,
                "minimum": 63275587.42,
                "name": "GpsTime",
                "position": 12,
                "stddev": 71541.61447,
                "variance": 5118202600
              },
              {
                "average": 0,
                "count": 459200,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 459200,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 459200,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 459200,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 459200,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              605999.726,
              2354419.915,
              -51.00570601,
              606999.726,
              2354998.435,
              -12.58570601
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    605999.7259834751,
                    2354419.915105668,
                    -51.00570600701639
                  ],
                  [
                    605999.7259834751,
                    2354998.4351056674,
                    -51.00570600701639
                  ],
                  [
                    606999.7259834751,
                    2354998.4351056674,
                    -12.585706007016391
                  ],
                  [
                    606999.7259834751,
                    2354419.915105668,
                    -12.585706007016391
                  ],
                  [
                    605999.7259834751,
                    2354419.915105668,
                    -51.00570600701639
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:16:59+00:00",
            "end_time": "2013-09-15T10:19:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8961.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14166157277924,
              21.348842322090224,
              -40.70721601337965
            ],
            [
              -158.14160897397613,
              21.357876566296213,
              -40.70721601337965
            ],
            [
              -158.13196473812602,
              21.357826984250337,
              -0.467216013379648
            ],
            [
              -158.13201792692544,
              21.348792763937343,
              -0.467216013379648
            ],
            [
              -158.14166157277924,
              21.348842322090224,
              -40.70721601337965
            ]
          ]
        ]
      },
      "bbox": [
        -158.1416616,
        21.34879276,
        -40.70721601,
        -158.1319647,
        21.35787657,
        -0.4672160134
      ],
      "properties": {
        "datetime": "2013-09-18T21:15:49Z",
        "pc:count": 4255033,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 589682.6416,
            "count": 4255033,
            "maximum": 589999.6672,
            "minimum": 588999.6472,
            "name": "X",
            "position": 0,
            "stddev": 241.8111751,
            "variance": 58472.64441
          },
          {
            "average": 2361503.489,
            "count": 4255033,
            "maximum": 2361998.466,
            "minimum": 2360998.466,
            "name": "Y",
            "position": 1,
            "stddev": 292.5678988,
            "variance": 85595.97544
          },
          {
            "average": -12.76089374,
            "count": 4255033,
            "maximum": -0.4672160134,
            "minimum": -40.70721601,
            "name": "Z",
            "position": 2,
            "stddev": 6.391213469,
            "variance": 40.84760961
          },
          {
            "average": 130.345182,
            "count": 4255033,
            "maximum": 8966,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 280.2958146,
            "variance": 78565.74369
          },
          {
            "average": 1.004991501,
            "count": 4255033,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07171038003,
            "variance": 0.005142378604
          },
          {
            "average": 1.009186298,
            "count": 4255033,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0977473905,
            "variance": 0.00955455235
          },
          {
            "average": 1,
            "count": 4255033,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4255033,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4255033,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.00717003,
            "count": 4255033,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.982740054,
            "variance": 35.79317855
          },
          {
            "average": 123.4274521,
            "count": 4255033,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 89.11409213,
            "variance": 7941.321417
          },
          {
            "average": 5.324463054,
            "count": 4255033,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.284140695,
            "variance": 5.217298715
          },
          {
            "average": 62924160.81,
            "count": 4255033,
            "maximum": 63574149.76,
            "minimum": 62716961.34,
            "name": "GpsTime",
            "position": 12,
            "stddev": 312750.6714,
            "variance": 97812982440.0
          },
          {
            "average": 0,
            "count": 4255033,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4255033,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4255033,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4255033,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4255033,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588999.6472,
          2360998.466,
          -40.70721601,
          589999.6672,
          2361998.466,
          -0.4672160134
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588999.6472051358,
                2360998.4656306906,
                -40.70721601337965
              ],
              [
                588999.6472051358,
                2361998.4656306906,
                -40.70721601337965
              ],
              [
                589999.6672051358,
                2361998.4656306906,
                -0.467216013379648
              ],
              [
                589999.6672051358,
                2360998.4656306906,
                -0.467216013379648
              ],
              [
                588999.6472051358,
                2360998.4656306906,
                -40.70721601337965
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T21:15:49+00:00",
        "end_time": "2013-09-08T23:09:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8961.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8961.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8961.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8961.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1416616,
            21.34879276,
            -40.70721601,
            -158.1319647,
            21.35787657,
            -0.4672160134
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14166157277924,
                  21.348842322090224,
                  -40.70721601337965
                ],
                [
                  -158.14160897397613,
                  21.357876566296213,
                  -40.70721601337965
                ],
                [
                  -158.13196473812602,
                  21.357826984250337,
                  -0.467216013379648
                ],
                [
                  -158.13201792692544,
                  21.348792763937343,
                  -0.467216013379648
                ],
                [
                  -158.14166157277924,
                  21.348842322090224,
                  -40.70721601337965
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8961.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8961.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T21:15:49Z",
            "pc:count": 4255033,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 589682.6416,
                "count": 4255033,
                "maximum": 589999.6672,
                "minimum": 588999.6472,
                "name": "X",
                "position": 0,
                "stddev": 241.8111751,
                "variance": 58472.64441
              },
              {
                "average": 2361503.489,
                "count": 4255033,
                "maximum": 2361998.466,
                "minimum": 2360998.466,
                "name": "Y",
                "position": 1,
                "stddev": 292.5678988,
                "variance": 85595.97544
              },
              {
                "average": -12.76089374,
                "count": 4255033,
                "maximum": -0.4672160134,
                "minimum": -40.70721601,
                "name": "Z",
                "position": 2,
                "stddev": 6.391213469,
                "variance": 40.84760961
              },
              {
                "average": 130.345182,
                "count": 4255033,
                "maximum": 8966,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 280.2958146,
                "variance": 78565.74369
              },
              {
                "average": 1.004991501,
                "count": 4255033,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07171038003,
                "variance": 0.005142378604
              },
              {
                "average": 1.009186298,
                "count": 4255033,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0977473905,
                "variance": 0.00955455235
              },
              {
                "average": 1,
                "count": 4255033,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4255033,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4255033,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.00717003,
                "count": 4255033,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.982740054,
                "variance": 35.79317855
              },
              {
                "average": 123.4274521,
                "count": 4255033,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 89.11409213,
                "variance": 7941.321417
              },
              {
                "average": 5.324463054,
                "count": 4255033,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.284140695,
                "variance": 5.217298715
              },
              {
                "average": 62924160.81,
                "count": 4255033,
                "maximum": 63574149.76,
                "minimum": 62716961.34,
                "name": "GpsTime",
                "position": 12,
                "stddev": 312750.6714,
                "variance": 97812982440.0
              },
              {
                "average": 0,
                "count": 4255033,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4255033,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4255033,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4255033,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4255033,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588999.6472,
              2360998.466,
              -40.70721601,
              589999.6672,
              2361998.466,
              -0.4672160134
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588999.6472051358,
                    2360998.4656306906,
                    -40.70721601337965
                  ],
                  [
                    588999.6472051358,
                    2361998.4656306906,
                    -40.70721601337965
                  ],
                  [
                    589999.6672051358,
                    2361998.4656306906,
                    -0.467216013379648
                  ],
                  [
                    589999.6672051358,
                    2360998.4656306906,
                    -0.467216013379648
                  ],
                  [
                    588999.6472051358,
                    2360998.4656306906,
                    -40.70721601337965
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T21:15:49+00:00",
            "end_time": "2013-09-08T23:09:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9797.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.06054780168404,
              21.673640162789635,
              -22.52643037209195
            ],
            [
              -158.06049768051744,
              21.68137662031059,
              -22.52643037209195
            ],
            [
              -158.05271622301012,
              21.68133237374574,
              -6.966430372091952
            ],
            [
              -158.05276675908192,
              21.673595933550075,
              -6.966430372091952
            ],
            [
              -158.06054780168404,
              21.673640162789635,
              -22.52643037209195
            ]
          ]
        ]
      },
      "bbox": [
        -158.0605478,
        21.67359593,
        -22.52643037,
        -158.0527162,
        21.68137662,
        -6.966430372
      ],
      "properties": {
        "datetime": "2013-09-09T21:28:10Z",
        "pc:count": 878689,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 597765.0927,
            "count": 878689,
            "maximum": 597999.6549,
            "minimum": 597194.5549,
            "name": "X",
            "position": 0,
            "stddev": 172.9568952,
            "variance": 29914.08761
          },
          {
            "average": 2397222.435,
            "count": 878689,
            "maximum": 2397854.903,
            "minimum": 2396998.503,
            "name": "Y",
            "position": 1,
            "stddev": 166.4684828,
            "variance": 27711.75576
          },
          {
            "average": -11.34617842,
            "count": 878689,
            "maximum": -6.966430372,
            "minimum": -22.52643037,
            "name": "Z",
            "position": 2,
            "stddev": 2.328547525,
            "variance": 5.422133577
          },
          {
            "average": 27.01729508,
            "count": 878689,
            "maximum": 7713,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 62.19669868,
            "variance": 3868.429327
          },
          {
            "average": 1.003755595,
            "count": 878689,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06137207896,
            "variance": 0.003766532076
          },
          {
            "average": 1.007172048,
            "count": 878689,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0848678887,
            "variance": 0.007202558532
          },
          {
            "average": 1,
            "count": 878689,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 878689,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 878689,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.45552628,
            "count": 878689,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.63457996,
            "variance": 44.01765124
          },
          {
            "average": 103.5747802,
            "count": 878689,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 74.45595046,
            "variance": 5543.688559
          },
          {
            "average": 1.62148041,
            "count": 878689,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7047361003,
            "variance": 0.4966529711
          },
          {
            "average": 62796421.22,
            "count": 878689,
            "maximum": 62797290.63,
            "minimum": 62796201.09,
            "name": "GpsTime",
            "position": 12,
            "stddev": 241.8021952,
            "variance": 58468.3016
          },
          {
            "average": 0,
            "count": 878689,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 878689,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 878689,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 878689,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 878689,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          597194.5549,
          2396998.503,
          -22.52643037,
          597999.6549,
          2397854.903,
          -6.966430372
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                597194.5549336849,
                2396998.502757854,
                -22.52643037209195
              ],
              [
                597194.5549336849,
                2397854.902757854,
                -22.52643037209195
              ],
              [
                597999.654933685,
                2397854.902757854,
                -6.966430372091952
              ],
              [
                597999.654933685,
                2396998.502757854,
                -6.966430372091952
              ],
              [
                597194.5549336849,
                2396998.502757854,
                -22.52643037209195
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:28:10+00:00",
        "end_time": "2013-09-09T21:10:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9797.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9797.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9797.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9797.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0605478,
            21.67359593,
            -22.52643037,
            -158.0527162,
            21.68137662,
            -6.966430372
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.06054780168404,
                  21.673640162789635,
                  -22.52643037209195
                ],
                [
                  -158.06049768051744,
                  21.68137662031059,
                  -22.52643037209195
                ],
                [
                  -158.05271622301012,
                  21.68133237374574,
                  -6.966430372091952
                ],
                [
                  -158.05276675908192,
                  21.673595933550075,
                  -6.966430372091952
                ],
                [
                  -158.06054780168404,
                  21.673640162789635,
                  -22.52643037209195
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9797.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9797.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:28:10Z",
            "pc:count": 878689,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 597765.0927,
                "count": 878689,
                "maximum": 597999.6549,
                "minimum": 597194.5549,
                "name": "X",
                "position": 0,
                "stddev": 172.9568952,
                "variance": 29914.08761
              },
              {
                "average": 2397222.435,
                "count": 878689,
                "maximum": 2397854.903,
                "minimum": 2396998.503,
                "name": "Y",
                "position": 1,
                "stddev": 166.4684828,
                "variance": 27711.75576
              },
              {
                "average": -11.34617842,
                "count": 878689,
                "maximum": -6.966430372,
                "minimum": -22.52643037,
                "name": "Z",
                "position": 2,
                "stddev": 2.328547525,
                "variance": 5.422133577
              },
              {
                "average": 27.01729508,
                "count": 878689,
                "maximum": 7713,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 62.19669868,
                "variance": 3868.429327
              },
              {
                "average": 1.003755595,
                "count": 878689,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06137207896,
                "variance": 0.003766532076
              },
              {
                "average": 1.007172048,
                "count": 878689,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0848678887,
                "variance": 0.007202558532
              },
              {
                "average": 1,
                "count": 878689,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 878689,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 878689,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.45552628,
                "count": 878689,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.63457996,
                "variance": 44.01765124
              },
              {
                "average": 103.5747802,
                "count": 878689,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 74.45595046,
                "variance": 5543.688559
              },
              {
                "average": 1.62148041,
                "count": 878689,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7047361003,
                "variance": 0.4966529711
              },
              {
                "average": 62796421.22,
                "count": 878689,
                "maximum": 62797290.63,
                "minimum": 62796201.09,
                "name": "GpsTime",
                "position": 12,
                "stddev": 241.8021952,
                "variance": 58468.3016
              },
              {
                "average": 0,
                "count": 878689,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 878689,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 878689,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 878689,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 878689,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              597194.5549,
              2396998.503,
              -22.52643037,
              597999.6549,
              2397854.903,
              -6.966430372
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    597194.5549336849,
                    2396998.502757854,
                    -22.52643037209195
                  ],
                  [
                    597194.5549336849,
                    2397854.902757854,
                    -22.52643037209195
                  ],
                  [
                    597999.654933685,
                    2397854.902757854,
                    -6.966430372091952
                  ],
                  [
                    597999.654933685,
                    2396998.502757854,
                    -6.966430372091952
                  ],
                  [
                    597194.5549336849,
                    2396998.502757854,
                    -22.52643037209195
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:28:10+00:00",
            "end_time": "2013-09-09T21:10:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej9257.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1129482267311,
              21.31255517893257,
              1.961344234547107
            ],
            [
              -158.1128939675342,
              21.32158956487843,
              1.961344234547107
            ],
            [
              -158.10667494137465,
              21.32155663799175,
              31.30134423454711
            ],
            [
              -158.10672958112178,
              21.31252226712238,
              31.30134423454711
            ],
            [
              -158.1129482267311,
              21.31255517893257,
              1.961344234547107
            ]
          ]
        ]
      },
      "bbox": [
        -158.1129482,
        21.31252227,
        1.961344235,
        -158.1066749,
        21.32158956,
        31.30134423
      ],
      "properties": {
        "datetime": "2013-10-08T22:40:26Z",
        "pc:count": 5216364,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592239.5307,
            "count": 5216364,
            "maximum": 592644.6903,
            "minimum": 591999.6703,
            "name": "X",
            "position": 0,
            "stddev": 166.1163996,
            "variance": 27594.6582
          },
          {
            "average": 2357413.349,
            "count": 5216364,
            "maximum": 2357998.474,
            "minimum": 2356998.454,
            "name": "Y",
            "position": 1,
            "stddev": 275.6786296,
            "variance": 75998.70684
          },
          {
            "average": 6.900994234,
            "count": 5216364,
            "maximum": 31.30134423,
            "minimum": 1.961344235,
            "name": "Z",
            "position": 2,
            "stddev": 3.187301386,
            "variance": 10.15889013
          },
          {
            "average": 35.64285257,
            "count": 5216364,
            "maximum": 940,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 60.41284624,
            "variance": 3649.711991
          },
          {
            "average": 1.337192727,
            "count": 5216364,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7747967595,
            "variance": 0.6003100186
          },
          {
            "average": 1.661986203,
            "count": 5216364,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.193222106,
            "variance": 1.423778993
          },
          {
            "average": 1,
            "count": 5216364,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5216364,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.240352284,
            "count": 5216364,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4272974355,
            "variance": 0.1825830984
          },
          {
            "average": 8.725527865,
            "count": 5216364,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.80195076,
            "variance": 116.6821402
          },
          {
            "average": 91.97691074,
            "count": 5216364,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.15025149,
            "variance": 4115.254766
          },
          {
            "average": 6.206582209,
            "count": 5216364,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.273583948,
            "variance": 10.71635186
          },
          {
            "average": 64501645.23,
            "count": 5216364,
            "maximum": 65307226.16,
            "minimum": 62721523.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 989706.942,
            "variance": 979519831000.0
          },
          {
            "average": 0,
            "count": 5216364,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5216364,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5216364,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5216364,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5216364,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.6703,
          2356998.454,
          1.961344235,
          592644.6903,
          2357998.474,
          31.30134423
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.670272032,
                2356998.4535345035,
                1.961344234547107
              ],
              [
                591999.670272032,
                2357998.473534503,
                1.961344234547107
              ],
              [
                592644.690272032,
                2357998.473534503,
                31.30134423454711
              ],
              [
                592644.690272032,
                2356998.4535345035,
                31.30134423454711
              ],
              [
                591999.670272032,
                2356998.4535345035,
                1.961344234547107
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:40:26+00:00",
        "end_time": "2013-09-09T00:25:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej9257.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej9257.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej9257.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9257.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1129482,
            21.31252227,
            1.961344235,
            -158.1066749,
            21.32158956,
            31.30134423
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1129482267311,
                  21.31255517893257,
                  1.961344234547107
                ],
                [
                  -158.1128939675342,
                  21.32158956487843,
                  1.961344234547107
                ],
                [
                  -158.10667494137465,
                  21.32155663799175,
                  31.30134423454711
                ],
                [
                  -158.10672958112178,
                  21.31252226712238,
                  31.30134423454711
                ],
                [
                  -158.1129482267311,
                  21.31255517893257,
                  1.961344234547107
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej9257.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej9257.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:40:26Z",
            "pc:count": 5216364,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592239.5307,
                "count": 5216364,
                "maximum": 592644.6903,
                "minimum": 591999.6703,
                "name": "X",
                "position": 0,
                "stddev": 166.1163996,
                "variance": 27594.6582
              },
              {
                "average": 2357413.349,
                "count": 5216364,
                "maximum": 2357998.474,
                "minimum": 2356998.454,
                "name": "Y",
                "position": 1,
                "stddev": 275.6786296,
                "variance": 75998.70684
              },
              {
                "average": 6.900994234,
                "count": 5216364,
                "maximum": 31.30134423,
                "minimum": 1.961344235,
                "name": "Z",
                "position": 2,
                "stddev": 3.187301386,
                "variance": 10.15889013
              },
              {
                "average": 35.64285257,
                "count": 5216364,
                "maximum": 940,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 60.41284624,
                "variance": 3649.711991
              },
              {
                "average": 1.337192727,
                "count": 5216364,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7747967595,
                "variance": 0.6003100186
              },
              {
                "average": 1.661986203,
                "count": 5216364,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.193222106,
                "variance": 1.423778993
              },
              {
                "average": 1,
                "count": 5216364,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5216364,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.240352284,
                "count": 5216364,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4272974355,
                "variance": 0.1825830984
              },
              {
                "average": 8.725527865,
                "count": 5216364,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.80195076,
                "variance": 116.6821402
              },
              {
                "average": 91.97691074,
                "count": 5216364,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.15025149,
                "variance": 4115.254766
              },
              {
                "average": 6.206582209,
                "count": 5216364,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.273583948,
                "variance": 10.71635186
              },
              {
                "average": 64501645.23,
                "count": 5216364,
                "maximum": 65307226.16,
                "minimum": 62721523.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 989706.942,
                "variance": 979519831000.0
              },
              {
                "average": 0,
                "count": 5216364,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5216364,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5216364,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5216364,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5216364,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.6703,
              2356998.454,
              1.961344235,
              592644.6903,
              2357998.474,
              31.30134423
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.670272032,
                    2356998.4535345035,
                    1.961344234547107
                  ],
                  [
                    591999.670272032,
                    2357998.473534503,
                    1.961344234547107
                  ],
                  [
                    592644.690272032,
                    2357998.473534503,
                    31.30134423454711
                  ],
                  [
                    592644.690272032,
                    2356998.4535345035,
                    31.30134423454711
                  ],
                  [
                    591999.670272032,
                    2356998.4535345035,
                    1.961344234547107
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:40:26+00:00",
            "end_time": "2013-09-09T00:25:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9853.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.05528665233095,
              21.28338016252627,
              -22.877619418415463
            ],
            [
              -158.0552754273739,
              21.285137837797617,
              -22.877619418415463
            ],
            [
              -158.04563675470413,
              21.285083473129323,
              -12.797619418415465
            ],
            [
              -158.0456480939927,
              21.283325802961198,
              -12.797619418415465
            ],
            [
              -158.05528665233095,
              21.28338016252627,
              -22.877619418415463
            ]
          ]
        ]
      },
      "bbox": [
        -158.0552867,
        21.2833258,
        -22.87761942,
        -158.0456368,
        21.28513784,
        -12.79761942
      ],
      "properties": {
        "datetime": "2013-09-15T10:21:57Z",
        "pc:count": 107637,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 598426.4684,
            "count": 107637,
            "maximum": 598999.6805,
            "minimum": 597999.7205,
            "name": "X",
            "position": 0,
            "stddev": 270.6237082,
            "variance": 73237.19145
          },
          {
            "average": 2353900.518,
            "count": 107637,
            "maximum": 2353998.456,
            "minimum": 2353803.896,
            "name": "Y",
            "position": 1,
            "stddev": 55.74127912,
            "variance": 3107.090198
          },
          {
            "average": -15.60137974,
            "count": 107637,
            "maximum": -12.79761942,
            "minimum": -22.87761942,
            "name": "Z",
            "position": 2,
            "stddev": 2.068509077,
            "variance": 4.2787298
          },
          {
            "average": 109.5602349,
            "count": 107637,
            "maximum": 491,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 99.02230672,
            "variance": 9805.417228
          },
          {
            "average": 1.000929049,
            "count": 107637,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03046627732,
            "variance": 0.0009281940535
          },
          {
            "average": 1.000929049,
            "count": 107637,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03046627732,
            "variance": 0.0009281940535
          },
          {
            "average": 1,
            "count": 107637,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 107637,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 107637,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 107637,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 199.2493381,
            "count": 107637,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 79.01030553,
            "variance": 6242.62838
          },
          {
            "average": 6,
            "count": 107637,
            "maximum": 6,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63275709.14,
            "count": 107637,
            "maximum": 63275717.02,
            "minimum": 63275698.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.125454671,
            "variance": 17.01937624
          },
          {
            "average": 0,
            "count": 107637,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 107637,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 107637,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 107637,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 107637,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          597999.7205,
          2353803.896,
          -22.87761942,
          598999.6805,
          2353998.456,
          -12.79761942
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                597999.720460747,
                2353803.8956801263,
                -22.877619418415463
              ],
              [
                597999.720460747,
                2353998.455680126,
                -22.877619418415463
              ],
              [
                598999.680460747,
                2353998.455680126,
                -12.797619418415465
              ],
              [
                598999.680460747,
                2353803.8956801263,
                -12.797619418415465
              ],
              [
                597999.720460747,
                2353803.8956801263,
                -22.877619418415463
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:21:57+00:00",
        "end_time": "2013-09-15T10:21:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9853.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9853.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9853.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9853.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0552867,
            21.2833258,
            -22.87761942,
            -158.0456368,
            21.28513784,
            -12.79761942
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.05528665233095,
                  21.28338016252627,
                  -22.877619418415463
                ],
                [
                  -158.0552754273739,
                  21.285137837797617,
                  -22.877619418415463
                ],
                [
                  -158.04563675470413,
                  21.285083473129323,
                  -12.797619418415465
                ],
                [
                  -158.0456480939927,
                  21.283325802961198,
                  -12.797619418415465
                ],
                [
                  -158.05528665233095,
                  21.28338016252627,
                  -22.877619418415463
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9853.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9853.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:21:57Z",
            "pc:count": 107637,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 598426.4684,
                "count": 107637,
                "maximum": 598999.6805,
                "minimum": 597999.7205,
                "name": "X",
                "position": 0,
                "stddev": 270.6237082,
                "variance": 73237.19145
              },
              {
                "average": 2353900.518,
                "count": 107637,
                "maximum": 2353998.456,
                "minimum": 2353803.896,
                "name": "Y",
                "position": 1,
                "stddev": 55.74127912,
                "variance": 3107.090198
              },
              {
                "average": -15.60137974,
                "count": 107637,
                "maximum": -12.79761942,
                "minimum": -22.87761942,
                "name": "Z",
                "position": 2,
                "stddev": 2.068509077,
                "variance": 4.2787298
              },
              {
                "average": 109.5602349,
                "count": 107637,
                "maximum": 491,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 99.02230672,
                "variance": 9805.417228
              },
              {
                "average": 1.000929049,
                "count": 107637,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03046627732,
                "variance": 0.0009281940535
              },
              {
                "average": 1.000929049,
                "count": 107637,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03046627732,
                "variance": 0.0009281940535
              },
              {
                "average": 1,
                "count": 107637,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 107637,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 107637,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 107637,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 199.2493381,
                "count": 107637,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 79.01030553,
                "variance": 6242.62838
              },
              {
                "average": 6,
                "count": 107637,
                "maximum": 6,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63275709.14,
                "count": 107637,
                "maximum": 63275717.02,
                "minimum": 63275698.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.125454671,
                "variance": 17.01937624
              },
              {
                "average": 0,
                "count": 107637,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 107637,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 107637,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 107637,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 107637,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              597999.7205,
              2353803.896,
              -22.87761942,
              598999.6805,
              2353998.456,
              -12.79761942
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    597999.720460747,
                    2353803.8956801263,
                    -22.877619418415463
                  ],
                  [
                    597999.720460747,
                    2353998.455680126,
                    -22.877619418415463
                  ],
                  [
                    598999.680460747,
                    2353998.455680126,
                    -12.797619418415465
                  ],
                  [
                    598999.680460747,
                    2353803.8956801263,
                    -12.797619418415465
                  ],
                  [
                    597999.720460747,
                    2353803.8956801263,
                    -22.877619418415463
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:21:57+00:00",
            "end_time": "2013-09-15T10:21:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0655.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.97810134944552,
              21.293721212856994,
              -22.155801698470746
            ],
            [
              -157.9780388938963,
              21.3027552749577,
              -22.155801698470746
            ],
            [
              -157.96839895006036,
              21.302696481259638,
              -2.235801698470743
            ],
            [
              -157.96846199382173,
              21.293662443564195,
              -2.235801698470743
            ],
            [
              -157.97810134944552,
              21.293721212856994,
              -22.155801698470746
            ]
          ]
        ]
      },
      "bbox": [
        -157.9781013,
        21.29366244,
        -22.1558017,
        -157.968399,
        21.30275527,
        -2.235801698
      ],
      "properties": {
        "datetime": "2013-09-17T12:16:59Z",
        "pc:count": 4949592,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 606474.0852,
            "count": 4949592,
            "maximum": 606999.7246,
            "minimum": 605999.7246,
            "name": "X",
            "position": 0,
            "stddev": 289.1309577,
            "variance": 83596.71071
          },
          {
            "average": 2355551.626,
            "count": 4949592,
            "maximum": 2355998.451,
            "minimum": 2354998.431,
            "name": "Y",
            "position": 1,
            "stddev": 244.6519142,
            "variance": 59854.55912
          },
          {
            "average": -8.558854382,
            "count": 4949592,
            "maximum": -2.235801698,
            "minimum": -22.1558017,
            "name": "Z",
            "position": 2,
            "stddev": 3.509948906,
            "variance": 12.31974133
          },
          {
            "average": 21.31930349,
            "count": 4949592,
            "maximum": 776,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 55.38168519,
            "variance": 3067.131054
          },
          {
            "average": 1.003180666,
            "count": 4949592,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05632557657,
            "variance": 0.003172570576
          },
          {
            "average": 1.00575603,
            "count": 4949592,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07570857871,
            "variance": 0.00573178889
          },
          {
            "average": 1,
            "count": 4949592,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4949592,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4949592,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4949592,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 97.1583181,
            "count": 4949592,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 72.45286016,
            "variance": 5249.416945
          },
          {
            "average": 8.056803066,
            "count": 4949592,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.418630461,
            "variance": 29.36155608
          },
          {
            "average": 63384287.46,
            "count": 4949592,
            "maximum": 63455419.12,
            "minimum": 63276546.73,
            "name": "GpsTime",
            "position": 12,
            "stddev": 52067.88363,
            "variance": 2711064505
          },
          {
            "average": 0,
            "count": 4949592,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4949592,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4949592,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4949592,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4949592,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          605999.7246,
          2354998.431,
          -22.1558017,
          606999.7246,
          2355998.451,
          -2.235801698
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                605999.7245630537,
                2354998.4314224757,
                -22.155801698470746
              ],
              [
                605999.7245630537,
                2355998.4514224753,
                -22.155801698470746
              ],
              [
                606999.7245630537,
                2355998.4514224753,
                -2.235801698470743
              ],
              [
                606999.7245630537,
                2354998.4314224757,
                -2.235801698470743
              ],
              [
                605999.7245630537,
                2354998.4314224757,
                -22.155801698470746
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:16:59+00:00",
        "end_time": "2013-09-15T10:35:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0655.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0655.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0655.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0655.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9781013,
            21.29366244,
            -22.1558017,
            -157.968399,
            21.30275527,
            -2.235801698
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.97810134944552,
                  21.293721212856994,
                  -22.155801698470746
                ],
                [
                  -157.9780388938963,
                  21.3027552749577,
                  -22.155801698470746
                ],
                [
                  -157.96839895006036,
                  21.302696481259638,
                  -2.235801698470743
                ],
                [
                  -157.96846199382173,
                  21.293662443564195,
                  -2.235801698470743
                ],
                [
                  -157.97810134944552,
                  21.293721212856994,
                  -22.155801698470746
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0655.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0655.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:16:59Z",
            "pc:count": 4949592,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 606474.0852,
                "count": 4949592,
                "maximum": 606999.7246,
                "minimum": 605999.7246,
                "name": "X",
                "position": 0,
                "stddev": 289.1309577,
                "variance": 83596.71071
              },
              {
                "average": 2355551.626,
                "count": 4949592,
                "maximum": 2355998.451,
                "minimum": 2354998.431,
                "name": "Y",
                "position": 1,
                "stddev": 244.6519142,
                "variance": 59854.55912
              },
              {
                "average": -8.558854382,
                "count": 4949592,
                "maximum": -2.235801698,
                "minimum": -22.1558017,
                "name": "Z",
                "position": 2,
                "stddev": 3.509948906,
                "variance": 12.31974133
              },
              {
                "average": 21.31930349,
                "count": 4949592,
                "maximum": 776,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 55.38168519,
                "variance": 3067.131054
              },
              {
                "average": 1.003180666,
                "count": 4949592,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05632557657,
                "variance": 0.003172570576
              },
              {
                "average": 1.00575603,
                "count": 4949592,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07570857871,
                "variance": 0.00573178889
              },
              {
                "average": 1,
                "count": 4949592,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4949592,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4949592,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4949592,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 97.1583181,
                "count": 4949592,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 72.45286016,
                "variance": 5249.416945
              },
              {
                "average": 8.056803066,
                "count": 4949592,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.418630461,
                "variance": 29.36155608
              },
              {
                "average": 63384287.46,
                "count": 4949592,
                "maximum": 63455419.12,
                "minimum": 63276546.73,
                "name": "GpsTime",
                "position": 12,
                "stddev": 52067.88363,
                "variance": 2711064505
              },
              {
                "average": 0,
                "count": 4949592,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4949592,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4949592,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4949592,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4949592,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              605999.7246,
              2354998.431,
              -22.1558017,
              606999.7246,
              2355998.451,
              -2.235801698
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    605999.7245630537,
                    2354998.4314224757,
                    -22.155801698470746
                  ],
                  [
                    605999.7245630537,
                    2355998.4514224753,
                    -22.155801698470746
                  ],
                  [
                    606999.7245630537,
                    2355998.4514224753,
                    -2.235801698470743
                  ],
                  [
                    606999.7245630537,
                    2354998.4314224757,
                    -2.235801698470743
                  ],
                  [
                    605999.7245630537,
                    2354998.4314224757,
                    -22.155801698470746
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:16:59+00:00",
            "end_time": "2013-09-15T10:35:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9694.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.07226961857077,
              21.64660372344565,
              -33.22942449131709
            ],
            [
              -158.072211895939,
              21.655637480394823,
              -33.22942449131709
            ],
            [
              -158.06254818012593,
              21.655583210188514,
              42.790575508682906
            ],
            [
              -158.06260650482236,
              21.646549477749513,
              42.790575508682906
            ],
            [
              -158.07226961857077,
              21.64660372344565,
              -33.22942449131709
            ]
          ]
        ]
      },
      "bbox": [
        -158.0722696,
        21.64654948,
        -33.22942449,
        -158.0625482,
        21.65563748,
        42.79057551
      ],
      "properties": {
        "datetime": "2013-09-22T23:53:36Z",
        "pc:count": 4145250,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 596703.3035,
            "count": 4145250,
            "maximum": 596999.6563,
            "minimum": 595999.6363,
            "name": "X",
            "position": 0,
            "stddev": 244.6531759,
            "variance": 59855.17646
          },
          {
            "average": 2394442.851,
            "count": 4145250,
            "maximum": 2394998.484,
            "minimum": 2393998.484,
            "name": "Y",
            "position": 1,
            "stddev": 286.1656728,
            "variance": 81890.79229
          },
          {
            "average": -9.945493464,
            "count": 4145250,
            "maximum": 42.79057551,
            "minimum": -33.22942449,
            "name": "Z",
            "position": 2,
            "stddev": 10.24692814,
            "variance": 104.9995364
          },
          {
            "average": 154.6939557,
            "count": 4145250,
            "maximum": 8455,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 287.8344279,
            "variance": 82848.65791
          },
          {
            "average": 1.086584886,
            "count": 4145250,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3805168365,
            "variance": 0.1447930628
          },
          {
            "average": 1.167487606,
            "count": 4145250,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5910474142,
            "variance": 0.3493370458
          },
          {
            "average": 1,
            "count": 4145250,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4145250,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 24.69734708,
            "count": 4145250,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.06736034,
            "variance": 101.3517442
          },
          {
            "average": 14.56571921,
            "count": 4145250,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.255666157,
            "variance": 85.66735602
          },
          {
            "average": 144.8192531,
            "count": 4145250,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 91.1032564,
            "variance": 8299.803327
          },
          {
            "average": 4.424958688,
            "count": 4145250,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.474396333,
            "variance": 6.12263721
          },
          {
            "average": 63166545.41,
            "count": 4145250,
            "maximum": 63929216.62,
            "minimum": 62796856.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 463391.8237,
            "variance": 214731982300.0
          },
          {
            "average": 0,
            "count": 4145250,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4145250,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4145250,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4145250,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4145250,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          595999.6363,
          2393998.484,
          -33.22942449,
          596999.6563,
          2394998.484,
          42.79057551
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                595999.6363273975,
                2393998.4838844566,
                -33.22942449131709
              ],
              [
                595999.6363273975,
                2394998.4838844566,
                -33.22942449131709
              ],
              [
                596999.6563273976,
                2394998.4838844566,
                42.790575508682906
              ],
              [
                596999.6563273976,
                2393998.4838844566,
                42.790575508682906
              ],
              [
                595999.6363273975,
                2393998.4838844566,
                -33.22942449131709
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:53:36+00:00",
        "end_time": "2013-09-09T21:20:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9694.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9694.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9694.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9694.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0722696,
            21.64654948,
            -33.22942449,
            -158.0625482,
            21.65563748,
            42.79057551
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.07226961857077,
                  21.64660372344565,
                  -33.22942449131709
                ],
                [
                  -158.072211895939,
                  21.655637480394823,
                  -33.22942449131709
                ],
                [
                  -158.06254818012593,
                  21.655583210188514,
                  42.790575508682906
                ],
                [
                  -158.06260650482236,
                  21.646549477749513,
                  42.790575508682906
                ],
                [
                  -158.07226961857077,
                  21.64660372344565,
                  -33.22942449131709
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9694.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9694.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:53:36Z",
            "pc:count": 4145250,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 596703.3035,
                "count": 4145250,
                "maximum": 596999.6563,
                "minimum": 595999.6363,
                "name": "X",
                "position": 0,
                "stddev": 244.6531759,
                "variance": 59855.17646
              },
              {
                "average": 2394442.851,
                "count": 4145250,
                "maximum": 2394998.484,
                "minimum": 2393998.484,
                "name": "Y",
                "position": 1,
                "stddev": 286.1656728,
                "variance": 81890.79229
              },
              {
                "average": -9.945493464,
                "count": 4145250,
                "maximum": 42.79057551,
                "minimum": -33.22942449,
                "name": "Z",
                "position": 2,
                "stddev": 10.24692814,
                "variance": 104.9995364
              },
              {
                "average": 154.6939557,
                "count": 4145250,
                "maximum": 8455,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 287.8344279,
                "variance": 82848.65791
              },
              {
                "average": 1.086584886,
                "count": 4145250,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3805168365,
                "variance": 0.1447930628
              },
              {
                "average": 1.167487606,
                "count": 4145250,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5910474142,
                "variance": 0.3493370458
              },
              {
                "average": 1,
                "count": 4145250,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4145250,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 24.69734708,
                "count": 4145250,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.06736034,
                "variance": 101.3517442
              },
              {
                "average": 14.56571921,
                "count": 4145250,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.255666157,
                "variance": 85.66735602
              },
              {
                "average": 144.8192531,
                "count": 4145250,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 91.1032564,
                "variance": 8299.803327
              },
              {
                "average": 4.424958688,
                "count": 4145250,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.474396333,
                "variance": 6.12263721
              },
              {
                "average": 63166545.41,
                "count": 4145250,
                "maximum": 63929216.62,
                "minimum": 62796856.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 463391.8237,
                "variance": 214731982300.0
              },
              {
                "average": 0,
                "count": 4145250,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4145250,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4145250,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4145250,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4145250,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              595999.6363,
              2393998.484,
              -33.22942449,
              596999.6563,
              2394998.484,
              42.79057551
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    595999.6363273975,
                    2393998.4838844566,
                    -33.22942449131709
                  ],
                  [
                    595999.6363273975,
                    2394998.4838844566,
                    -33.22942449131709
                  ],
                  [
                    596999.6563273976,
                    2394998.4838844566,
                    42.790575508682906
                  ],
                  [
                    596999.6563273976,
                    2393998.4838844566,
                    42.790575508682906
                  ],
                  [
                    595999.6363273975,
                    2393998.4838844566,
                    -33.22942449131709
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:53:36+00:00",
            "end_time": "2013-09-09T21:20:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9854.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.05527568120127,
              21.285137852584782,
              -19.008199594383512
            ],
            [
              -158.05521796921508,
              21.294171950567442,
              -19.008199594383512
            ],
            [
              -158.04557832286255,
              21.294117557824563,
              -0.168199594383511
            ],
            [
              -158.04563662296815,
              21.285083485745247,
              -0.168199594383511
            ],
            [
              -158.05527568120127,
              21.285137852584782,
              -19.008199594383512
            ]
          ]
        ]
      },
      "bbox": [
        -158.0552757,
        21.28508349,
        -19.00819959,
        -158.0455783,
        21.29417195,
        -0.1681995944
      ],
      "properties": {
        "datetime": "2013-09-17T12:18:47Z",
        "pc:count": 4370900,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 598510.2108,
            "count": 4370900,
            "maximum": 598999.6941,
            "minimum": 597999.6941,
            "name": "X",
            "position": 0,
            "stddev": 291.0400759,
            "variance": 84704.3258
          },
          {
            "average": 2354562.404,
            "count": 4370900,
            "maximum": 2354998.457,
            "minimum": 2353998.457,
            "name": "Y",
            "position": 1,
            "stddev": 266.2150033,
            "variance": 70870.42797
          },
          {
            "average": -9.303575732,
            "count": 4370900,
            "maximum": -0.1681995944,
            "minimum": -19.00819959,
            "name": "Z",
            "position": 2,
            "stddev": 3.361467568,
            "variance": 11.29946421
          },
          {
            "average": 20.68307694,
            "count": 4370900,
            "maximum": 1998,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 51.1911142,
            "variance": 2620.530173
          },
          {
            "average": 1.008277471,
            "count": 4370900,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09150282781,
            "variance": 0.008372767498
          },
          {
            "average": 1.010146652,
            "count": 4370900,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1013013386,
            "variance": 0.01026196121
          },
          {
            "average": 1,
            "count": 4370900,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4370900,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4370900,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4370900,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 101.218922,
            "count": 4370900,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 73.09566069,
            "variance": 5342.975612
          },
          {
            "average": 5.103599259,
            "count": 4370900,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.565728204,
            "variance": 20.84587404
          },
          {
            "average": 63362666.01,
            "count": 4370900,
            "maximum": 63455527.88,
            "minimum": 63275698.92,
            "name": "GpsTime",
            "position": 12,
            "stddev": 74944.62441,
            "variance": 5616696729
          },
          {
            "average": 0,
            "count": 4370900,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4370900,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4370900,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4370900,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4370900,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          597999.6941,
          2353998.457,
          -19.00819959,
          598999.6941,
          2354998.457,
          -0.1681995944
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                597999.6941187221,
                2353998.457159216,
                -19.008199594383512
              ],
              [
                597999.6941187221,
                2354998.457159216,
                -19.008199594383512
              ],
              [
                598999.6941187221,
                2354998.457159216,
                -0.168199594383511
              ],
              [
                598999.6941187221,
                2353998.457159216,
                -0.168199594383511
              ],
              [
                597999.6941187221,
                2353998.457159216,
                -19.008199594383512
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:18:47+00:00",
        "end_time": "2013-09-15T10:21:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9854.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9854.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9854.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9854.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0552757,
            21.28508349,
            -19.00819959,
            -158.0455783,
            21.29417195,
            -0.1681995944
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.05527568120127,
                  21.285137852584782,
                  -19.008199594383512
                ],
                [
                  -158.05521796921508,
                  21.294171950567442,
                  -19.008199594383512
                ],
                [
                  -158.04557832286255,
                  21.294117557824563,
                  -0.168199594383511
                ],
                [
                  -158.04563662296815,
                  21.285083485745247,
                  -0.168199594383511
                ],
                [
                  -158.05527568120127,
                  21.285137852584782,
                  -19.008199594383512
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9854.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9854.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:18:47Z",
            "pc:count": 4370900,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 598510.2108,
                "count": 4370900,
                "maximum": 598999.6941,
                "minimum": 597999.6941,
                "name": "X",
                "position": 0,
                "stddev": 291.0400759,
                "variance": 84704.3258
              },
              {
                "average": 2354562.404,
                "count": 4370900,
                "maximum": 2354998.457,
                "minimum": 2353998.457,
                "name": "Y",
                "position": 1,
                "stddev": 266.2150033,
                "variance": 70870.42797
              },
              {
                "average": -9.303575732,
                "count": 4370900,
                "maximum": -0.1681995944,
                "minimum": -19.00819959,
                "name": "Z",
                "position": 2,
                "stddev": 3.361467568,
                "variance": 11.29946421
              },
              {
                "average": 20.68307694,
                "count": 4370900,
                "maximum": 1998,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 51.1911142,
                "variance": 2620.530173
              },
              {
                "average": 1.008277471,
                "count": 4370900,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09150282781,
                "variance": 0.008372767498
              },
              {
                "average": 1.010146652,
                "count": 4370900,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1013013386,
                "variance": 0.01026196121
              },
              {
                "average": 1,
                "count": 4370900,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4370900,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4370900,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4370900,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 101.218922,
                "count": 4370900,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 73.09566069,
                "variance": 5342.975612
              },
              {
                "average": 5.103599259,
                "count": 4370900,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.565728204,
                "variance": 20.84587404
              },
              {
                "average": 63362666.01,
                "count": 4370900,
                "maximum": 63455527.88,
                "minimum": 63275698.92,
                "name": "GpsTime",
                "position": 12,
                "stddev": 74944.62441,
                "variance": 5616696729
              },
              {
                "average": 0,
                "count": 4370900,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4370900,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4370900,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4370900,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4370900,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              597999.6941,
              2353998.457,
              -19.00819959,
              598999.6941,
              2354998.457,
              -0.1681995944
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    597999.6941187221,
                    2353998.457159216,
                    -19.008199594383512
                  ],
                  [
                    597999.6941187221,
                    2354998.457159216,
                    -19.008199594383512
                  ],
                  [
                    598999.6941187221,
                    2354998.457159216,
                    -0.168199594383511
                  ],
                  [
                    598999.6941187221,
                    2353998.457159216,
                    -0.168199594383511
                  ],
                  [
                    597999.6941187221,
                    2353998.457159216,
                    -19.008199594383512
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:18:47+00:00",
            "end_time": "2013-09-15T10:21:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8467.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.18958093189727,
              21.403287910807748,
              -12.553817941661915
            ],
            [
              -158.18953110869106,
              21.41232222434441,
              -12.553817941661915
            ],
            [
              -158.17988338930846,
              21.412275273729023,
              0.526182058338085
            ],
            [
              -158.1799338047096,
              21.4032409815492,
              0.526182058338085
            ],
            [
              -158.18958093189727,
              21.403287910807748,
              -12.553817941661915
            ]
          ]
        ]
      },
      "bbox": [
        -158.1895809,
        21.40324098,
        -12.55381794,
        -158.1798834,
        21.41232222,
        0.5261820583
      ],
      "properties": {
        "datetime": "2013-09-19T00:45:41Z",
        "pc:count": 5772494,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584587.2706,
            "count": 5772494,
            "maximum": 584999.6433,
            "minimum": 583999.6433,
            "name": "X",
            "position": 0,
            "stddev": 279.7732988,
            "variance": 78273.09873
          },
          {
            "average": 2367534.121,
            "count": 5772494,
            "maximum": 2367998.465,
            "minimum": 2366998.465,
            "name": "Y",
            "position": 1,
            "stddev": 288.7877206,
            "variance": 83398.34758
          },
          {
            "average": -6.3927142,
            "count": 5772494,
            "maximum": 0.5261820583,
            "minimum": -12.55381794,
            "name": "Z",
            "position": 2,
            "stddev": 2.279636365,
            "variance": 5.196741955
          },
          {
            "average": 10.84950768,
            "count": 5772494,
            "maximum": 8382,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.48861507,
            "variance": 869.5784187
          },
          {
            "average": 1.024460658,
            "count": 5772494,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1582271612,
            "variance": 0.02503583453
          },
          {
            "average": 1.04529498,
            "count": 5772494,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.21531661,
            "variance": 0.04636124255
          },
          {
            "average": 1,
            "count": 5772494,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5772494,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5772494,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.81623437,
            "count": 5772494,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.468676937,
            "variance": 12.03171969
          },
          {
            "average": 89.19960852,
            "count": 5772494,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 66.99090865,
            "variance": 4487.781842
          },
          {
            "average": 6.34250551,
            "count": 5772494,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.004037153,
            "variance": 16.03231352
          },
          {
            "average": 63249435.92,
            "count": 5772494,
            "maximum": 63586741.49,
            "minimum": 62721336.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 408363.296,
            "variance": 166760581500.0
          },
          {
            "average": 0,
            "count": 5772494,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5772494,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5772494,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5772494,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5772494,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583999.6433,
          2366998.465,
          -12.55381794,
          584999.6433,
          2367998.465,
          0.5261820583
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583999.6433320685,
                2366998.465411143,
                -12.553817941661915
              ],
              [
                583999.6433320685,
                2367998.465411143,
                -12.553817941661915
              ],
              [
                584999.6433320685,
                2367998.465411143,
                0.526182058338085
              ],
              [
                584999.6433320685,
                2366998.465411143,
                0.526182058338085
              ],
              [
                583999.6433320685,
                2366998.465411143,
                -12.553817941661915
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:45:41+00:00",
        "end_time": "2013-09-09T00:22:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8467.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8467.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8467.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8467.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1895809,
            21.40324098,
            -12.55381794,
            -158.1798834,
            21.41232222,
            0.5261820583
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.18958093189727,
                  21.403287910807748,
                  -12.553817941661915
                ],
                [
                  -158.18953110869106,
                  21.41232222434441,
                  -12.553817941661915
                ],
                [
                  -158.17988338930846,
                  21.412275273729023,
                  0.526182058338085
                ],
                [
                  -158.1799338047096,
                  21.4032409815492,
                  0.526182058338085
                ],
                [
                  -158.18958093189727,
                  21.403287910807748,
                  -12.553817941661915
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8467.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8467.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:45:41Z",
            "pc:count": 5772494,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584587.2706,
                "count": 5772494,
                "maximum": 584999.6433,
                "minimum": 583999.6433,
                "name": "X",
                "position": 0,
                "stddev": 279.7732988,
                "variance": 78273.09873
              },
              {
                "average": 2367534.121,
                "count": 5772494,
                "maximum": 2367998.465,
                "minimum": 2366998.465,
                "name": "Y",
                "position": 1,
                "stddev": 288.7877206,
                "variance": 83398.34758
              },
              {
                "average": -6.3927142,
                "count": 5772494,
                "maximum": 0.5261820583,
                "minimum": -12.55381794,
                "name": "Z",
                "position": 2,
                "stddev": 2.279636365,
                "variance": 5.196741955
              },
              {
                "average": 10.84950768,
                "count": 5772494,
                "maximum": 8382,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.48861507,
                "variance": 869.5784187
              },
              {
                "average": 1.024460658,
                "count": 5772494,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1582271612,
                "variance": 0.02503583453
              },
              {
                "average": 1.04529498,
                "count": 5772494,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.21531661,
                "variance": 0.04636124255
              },
              {
                "average": 1,
                "count": 5772494,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5772494,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5772494,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.81623437,
                "count": 5772494,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.468676937,
                "variance": 12.03171969
              },
              {
                "average": 89.19960852,
                "count": 5772494,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 66.99090865,
                "variance": 4487.781842
              },
              {
                "average": 6.34250551,
                "count": 5772494,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.004037153,
                "variance": 16.03231352
              },
              {
                "average": 63249435.92,
                "count": 5772494,
                "maximum": 63586741.49,
                "minimum": 62721336.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 408363.296,
                "variance": 166760581500.0
              },
              {
                "average": 0,
                "count": 5772494,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5772494,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5772494,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5772494,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5772494,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583999.6433,
              2366998.465,
              -12.55381794,
              584999.6433,
              2367998.465,
              0.5261820583
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583999.6433320685,
                    2366998.465411143,
                    -12.553817941661915
                  ],
                  [
                    583999.6433320685,
                    2367998.465411143,
                    -12.553817941661915
                  ],
                  [
                    584999.6433320685,
                    2367998.465411143,
                    0.526182058338085
                  ],
                  [
                    584999.6433320685,
                    2366998.465411143,
                    0.526182058338085
                  ],
                  [
                    583999.6433320685,
                    2366998.465411143,
                    -12.553817941661915
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:45:41+00:00",
            "end_time": "2013-09-09T00:22:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0256.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.01659925932293,
              21.302984859009786,
              -3.957257024846285
            ],
            [
              -158.01653912813006,
              21.31201901534271,
              -3.957257024846285
            ],
            [
              -158.00689842373617,
              21.31196237635872,
              26.222742975153714
            ],
            [
              -158.0069591446357,
              21.302928245861796,
              26.222742975153714
            ],
            [
              -158.01659925932293,
              21.302984859009786,
              -3.957257024846285
            ]
          ]
        ]
      },
      "bbox": [
        -158.0165993,
        21.30292825,
        -3.957257025,
        -158.0068984,
        21.31201902,
        26.22274298
      ],
      "properties": {
        "datetime": "2013-09-16T11:04:42Z",
        "pc:count": 3956422,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 602495.7499,
            "count": 3956422,
            "maximum": 602999.7126,
            "minimum": 601999.7126,
            "name": "X",
            "position": 0,
            "stddev": 291.5858137,
            "variance": 85022.28673
          },
          {
            "average": 2356593.585,
            "count": 3956422,
            "maximum": 2356998.453,
            "minimum": 2355998.433,
            "name": "Y",
            "position": 1,
            "stddev": 276.2304552,
            "variance": 76303.26438
          },
          {
            "average": 1.51192466,
            "count": 3956422,
            "maximum": 26.22274298,
            "minimum": -3.957257025,
            "name": "Z",
            "position": 2,
            "stddev": 3.42565588,
            "variance": 11.73511821
          },
          {
            "average": 20.47329936,
            "count": 3956422,
            "maximum": 5768,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.96395414,
            "variance": 1760.973447
          },
          {
            "average": 1.127711351,
            "count": 3956422,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4200587744,
            "variance": 0.1764493739
          },
          {
            "average": 1.236176272,
            "count": 3956422,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6085938492,
            "variance": 0.3703864732
          },
          {
            "average": 1,
            "count": 3956422,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3956422,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.79483811,
            "count": 3956422,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.8858238,
            "variance": 192.8161026
          },
          {
            "average": 0,
            "count": 3956422,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 89.83954265,
            "count": 3956422,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.86620333,
            "variance": 4605.821554
          },
          {
            "average": 4.486623267,
            "count": 3956422,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.865959615,
            "variance": 3.481805286
          },
          {
            "average": 63361077.27,
            "count": 3956422,
            "maximum": 63364682.34,
            "minimum": 63359383.62,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1526.922888,
            "variance": 2331493.506
          },
          {
            "average": 0,
            "count": 3956422,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3956422,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3956422,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3956422,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3956422,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          601999.7126,
          2355998.433,
          -3.957257025,
          602999.7126,
          2356998.453,
          26.22274298
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                601999.7126182884,
                2355998.4334874777,
                -3.957257024846285
              ],
              [
                601999.7126182884,
                2356998.4534874773,
                -3.957257024846285
              ],
              [
                602999.7126182884,
                2356998.4534874773,
                26.222742975153714
              ],
              [
                602999.7126182884,
                2355998.4334874777,
                26.222742975153714
              ],
              [
                601999.7126182884,
                2355998.4334874777,
                -3.957257024846285
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:04:42+00:00",
        "end_time": "2013-09-16T09:36:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0256.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0256.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0256.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0256.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0165993,
            21.30292825,
            -3.957257025,
            -158.0068984,
            21.31201902,
            26.22274298
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.01659925932293,
                  21.302984859009786,
                  -3.957257024846285
                ],
                [
                  -158.01653912813006,
                  21.31201901534271,
                  -3.957257024846285
                ],
                [
                  -158.00689842373617,
                  21.31196237635872,
                  26.222742975153714
                ],
                [
                  -158.0069591446357,
                  21.302928245861796,
                  26.222742975153714
                ],
                [
                  -158.01659925932293,
                  21.302984859009786,
                  -3.957257024846285
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0256.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0256.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:04:42Z",
            "pc:count": 3956422,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 602495.7499,
                "count": 3956422,
                "maximum": 602999.7126,
                "minimum": 601999.7126,
                "name": "X",
                "position": 0,
                "stddev": 291.5858137,
                "variance": 85022.28673
              },
              {
                "average": 2356593.585,
                "count": 3956422,
                "maximum": 2356998.453,
                "minimum": 2355998.433,
                "name": "Y",
                "position": 1,
                "stddev": 276.2304552,
                "variance": 76303.26438
              },
              {
                "average": 1.51192466,
                "count": 3956422,
                "maximum": 26.22274298,
                "minimum": -3.957257025,
                "name": "Z",
                "position": 2,
                "stddev": 3.42565588,
                "variance": 11.73511821
              },
              {
                "average": 20.47329936,
                "count": 3956422,
                "maximum": 5768,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.96395414,
                "variance": 1760.973447
              },
              {
                "average": 1.127711351,
                "count": 3956422,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4200587744,
                "variance": 0.1764493739
              },
              {
                "average": 1.236176272,
                "count": 3956422,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6085938492,
                "variance": 0.3703864732
              },
              {
                "average": 1,
                "count": 3956422,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3956422,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.79483811,
                "count": 3956422,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.8858238,
                "variance": 192.8161026
              },
              {
                "average": 0,
                "count": 3956422,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 89.83954265,
                "count": 3956422,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.86620333,
                "variance": 4605.821554
              },
              {
                "average": 4.486623267,
                "count": 3956422,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.865959615,
                "variance": 3.481805286
              },
              {
                "average": 63361077.27,
                "count": 3956422,
                "maximum": 63364682.34,
                "minimum": 63359383.62,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1526.922888,
                "variance": 2331493.506
              },
              {
                "average": 0,
                "count": 3956422,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3956422,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3956422,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3956422,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3956422,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              601999.7126,
              2355998.433,
              -3.957257025,
              602999.7126,
              2356998.453,
              26.22274298
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    601999.7126182884,
                    2355998.4334874777,
                    -3.957257024846285
                  ],
                  [
                    601999.7126182884,
                    2356998.4534874773,
                    -3.957257024846285
                  ],
                  [
                    602999.7126182884,
                    2356998.4534874773,
                    26.222742975153714
                  ],
                  [
                    602999.7126182884,
                    2355998.4334874777,
                    26.222742975153714
                  ],
                  [
                    601999.7126182884,
                    2355998.4334874777,
                    -3.957257024846285
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:04:42+00:00",
            "end_time": "2013-09-16T09:36:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20131008_ncmp_hi_oahu_4qej9258.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11289393155536,
              21.32158947669128,
              -3.220454367842599
            ],
            [
              -158.11283966655822,
              21.33062363466032,
              -3.220454367842599
            ],
            [
              -158.10697431950925,
              21.33059257530191,
              45.4595456321574
            ],
            [
              -158.10702894467218,
              21.321558430493095,
              45.4595456321574
            ],
            [
              -158.11289393155536,
              21.32158947669128,
              -3.220454367842599
            ]
          ]
        ]
      },
      "bbox": [
        -158.1128939,
        21.32155843,
        -3.220454368,
        -158.1069743,
        21.33062363,
        45.45954563
      ],
      "properties": {
        "datetime": "2013-10-08T22:40:41Z",
        "pc:count": 2649089,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592313.1558,
            "count": 2649089,
            "maximum": 592607.9741,
            "minimum": 591999.6741,
            "name": "X",
            "position": 0,
            "stddev": 156.1161386,
            "variance": 24372.24874
          },
          {
            "average": 2358514.343,
            "count": 2649089,
            "maximum": 2358998.464,
            "minimum": 2357998.464,
            "name": "Y",
            "position": 1,
            "stddev": 313.1721234,
            "variance": 98076.77888
          },
          {
            "average": 9.518039412,
            "count": 2649089,
            "maximum": 45.45954563,
            "minimum": -3.220454368,
            "name": "Z",
            "position": 2,
            "stddev": 5.855219881,
            "variance": 34.28359986
          },
          {
            "average": 49.12948527,
            "count": 2649089,
            "maximum": 8522,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 66.3525055,
            "variance": 4402.654986
          },
          {
            "average": 1.223387738,
            "count": 2649089,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5840069769,
            "variance": 0.3410641491
          },
          {
            "average": 1.421763104,
            "count": 2649089,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8606015018,
            "variance": 0.7406349449
          },
          {
            "average": 1,
            "count": 2649089,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2649089,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.378870623,
            "count": 2649089,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.9782928505,
            "variance": 0.9570569014
          },
          {
            "average": 0,
            "count": 2649089,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.43122522,
            "count": 2649089,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.80786179,
            "variance": 4071.443227
          },
          {
            "average": 8.298902377,
            "count": 2649089,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7404436275,
            "variance": 0.5482567655
          },
          {
            "average": 65307012.8,
            "count": 2649089,
            "maximum": 65307241.8,
            "minimum": 65306316.94,
            "name": "GpsTime",
            "position": 12,
            "stddev": 227.0403848,
            "variance": 51547.33635
          },
          {
            "average": 0,
            "count": 2649089,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2649089,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2649089,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2649089,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2649089,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.6741,
          2357998.464,
          -3.220454368,
          592607.9741,
          2358998.464,
          45.45954563
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.6740584759,
                2357998.4637943422,
                -3.220454367842599
              ],
              [
                591999.6740584759,
                2358998.4637943422,
                -3.220454367842599
              ],
              [
                592607.9740584759,
                2358998.4637943422,
                45.4595456321574
              ],
              [
                592607.9740584759,
                2357998.4637943422,
                45.4595456321574
              ],
              [
                591999.6740584759,
                2357998.4637943422,
                -3.220454367842599
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:40:41+00:00",
        "end_time": "2013-10-08T22:25:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20131008_ncmp_hi_oahu_4qej9258.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20131008_ncmp_hi_oahu_4qej9258.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20131008_ncmp_hi_oahu_4qej9258.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20131008_ncmp_hi_oahu_4qej9258.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1128939,
            21.32155843,
            -3.220454368,
            -158.1069743,
            21.33062363,
            45.45954563
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11289393155536,
                  21.32158947669128,
                  -3.220454367842599
                ],
                [
                  -158.11283966655822,
                  21.33062363466032,
                  -3.220454367842599
                ],
                [
                  -158.10697431950925,
                  21.33059257530191,
                  45.4595456321574
                ],
                [
                  -158.10702894467218,
                  21.321558430493095,
                  45.4595456321574
                ],
                [
                  -158.11289393155536,
                  21.32158947669128,
                  -3.220454367842599
                ]
              ]
            ]
          },
          "id": "20131008_ncmp_hi_oahu_4qej9258.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20131008_ncmp_hi_oahu_4qej9258.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:40:41Z",
            "pc:count": 2649089,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592313.1558,
                "count": 2649089,
                "maximum": 592607.9741,
                "minimum": 591999.6741,
                "name": "X",
                "position": 0,
                "stddev": 156.1161386,
                "variance": 24372.24874
              },
              {
                "average": 2358514.343,
                "count": 2649089,
                "maximum": 2358998.464,
                "minimum": 2357998.464,
                "name": "Y",
                "position": 1,
                "stddev": 313.1721234,
                "variance": 98076.77888
              },
              {
                "average": 9.518039412,
                "count": 2649089,
                "maximum": 45.45954563,
                "minimum": -3.220454368,
                "name": "Z",
                "position": 2,
                "stddev": 5.855219881,
                "variance": 34.28359986
              },
              {
                "average": 49.12948527,
                "count": 2649089,
                "maximum": 8522,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 66.3525055,
                "variance": 4402.654986
              },
              {
                "average": 1.223387738,
                "count": 2649089,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5840069769,
                "variance": 0.3410641491
              },
              {
                "average": 1.421763104,
                "count": 2649089,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8606015018,
                "variance": 0.7406349449
              },
              {
                "average": 1,
                "count": 2649089,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2649089,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.378870623,
                "count": 2649089,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.9782928505,
                "variance": 0.9570569014
              },
              {
                "average": 0,
                "count": 2649089,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.43122522,
                "count": 2649089,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.80786179,
                "variance": 4071.443227
              },
              {
                "average": 8.298902377,
                "count": 2649089,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7404436275,
                "variance": 0.5482567655
              },
              {
                "average": 65307012.8,
                "count": 2649089,
                "maximum": 65307241.8,
                "minimum": 65306316.94,
                "name": "GpsTime",
                "position": 12,
                "stddev": 227.0403848,
                "variance": 51547.33635
              },
              {
                "average": 0,
                "count": 2649089,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2649089,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2649089,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2649089,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2649089,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.6741,
              2357998.464,
              -3.220454368,
              592607.9741,
              2358998.464,
              45.45954563
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.6740584759,
                    2357998.4637943422,
                    -3.220454367842599
                  ],
                  [
                    591999.6740584759,
                    2358998.4637943422,
                    -3.220454367842599
                  ],
                  [
                    592607.9740584759,
                    2358998.4637943422,
                    45.4595456321574
                  ],
                  [
                    592607.9740584759,
                    2357998.4637943422,
                    45.4595456321574
                  ],
                  [
                    591999.6740584759,
                    2357998.4637943422,
                    -3.220454367842599
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:40:41+00:00",
            "end_time": "2013-10-08T22:25:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8962.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14160895547988,
              21.357876556556054,
              -29.336808185521036
            ],
            [
              -158.1415563278927,
              21.3669107949124,
              -29.336808185521036
            ],
            [
              -158.13191150171653,
              21.36686118911048,
              187.94319181447895
            ],
            [
              -158.13196471963047,
              21.357826974509152,
              187.94319181447895
            ],
            [
              -158.14160895547988,
              21.357876556556054,
              -29.336808185521036
            ]
          ]
        ]
      },
      "bbox": [
        -158.141609,
        21.35782697,
        -29.33680819,
        -158.1319115,
        21.36691079,
        187.9431918
      ],
      "properties": {
        "datetime": "2013-09-18T20:41:43Z",
        "pc:count": 6734857,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 589599.2091,
            "count": 6734857,
            "maximum": 589999.6691,
            "minimum": 588999.6491,
            "name": "X",
            "position": 0,
            "stddev": 266.0418236,
            "variance": 70778.2519
          },
          {
            "average": 2362560.765,
            "count": 6734857,
            "maximum": 2362998.465,
            "minimum": 2361998.465,
            "name": "Y",
            "position": 1,
            "stddev": 289.3311629,
            "variance": 83712.52181
          },
          {
            "average": 2.129380921,
            "count": 6734857,
            "maximum": 187.9431918,
            "minimum": -29.33680819,
            "name": "Z",
            "position": 2,
            "stddev": 27.30577335,
            "variance": 745.6052584
          },
          {
            "average": 46.20394568,
            "count": 6734857,
            "maximum": 8945,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 108.5123033,
            "variance": 11774.91996
          },
          {
            "average": 1.076610684,
            "count": 6734857,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3815069478,
            "variance": 0.1455475512
          },
          {
            "average": 1.15206455,
            "count": 6734857,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6095337803,
            "variance": 0.3715314293
          },
          {
            "average": 1,
            "count": 6734857,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6734857,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 22.19317114,
            "count": 6734857,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.95265722,
            "variance": 142.8660147
          },
          {
            "average": 19.18354288,
            "count": 6734857,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.702202983,
            "variance": 22.11071289
          },
          {
            "average": 100.0091698,
            "count": 6734857,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 77.63173496,
            "variance": 6026.686273
          },
          {
            "average": 3.584861564,
            "count": 6734857,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.484871133,
            "variance": 2.204842283
          },
          {
            "average": 62807264.37,
            "count": 6734857,
            "maximum": 63572103.96,
            "minimum": 62715654.49,
            "name": "GpsTime",
            "position": 12,
            "stddev": 109997.262,
            "variance": 12099397640.0
          },
          {
            "average": 0,
            "count": 6734857,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6734857,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6734857,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6734857,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6734857,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588999.6491,
          2361998.465,
          -29.33680819,
          589999.6691,
          2362998.465,
          187.9431918
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588999.6491288515,
                2361998.464563052,
                -29.336808185521036
              ],
              [
                588999.6491288515,
                2362998.464563052,
                -29.336808185521036
              ],
              [
                589999.6691288515,
                2362998.464563052,
                187.94319181447895
              ],
              [
                589999.6691288515,
                2361998.464563052,
                187.94319181447895
              ],
              [
                588999.6491288515,
                2361998.464563052,
                -29.336808185521036
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:41:43+00:00",
        "end_time": "2013-09-08T22:47:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8962.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8962.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8962.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8962.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.141609,
            21.35782697,
            -29.33680819,
            -158.1319115,
            21.36691079,
            187.9431918
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14160895547988,
                  21.357876556556054,
                  -29.336808185521036
                ],
                [
                  -158.1415563278927,
                  21.3669107949124,
                  -29.336808185521036
                ],
                [
                  -158.13191150171653,
                  21.36686118911048,
                  187.94319181447895
                ],
                [
                  -158.13196471963047,
                  21.357826974509152,
                  187.94319181447895
                ],
                [
                  -158.14160895547988,
                  21.357876556556054,
                  -29.336808185521036
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8962.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8962.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:41:43Z",
            "pc:count": 6734857,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 589599.2091,
                "count": 6734857,
                "maximum": 589999.6691,
                "minimum": 588999.6491,
                "name": "X",
                "position": 0,
                "stddev": 266.0418236,
                "variance": 70778.2519
              },
              {
                "average": 2362560.765,
                "count": 6734857,
                "maximum": 2362998.465,
                "minimum": 2361998.465,
                "name": "Y",
                "position": 1,
                "stddev": 289.3311629,
                "variance": 83712.52181
              },
              {
                "average": 2.129380921,
                "count": 6734857,
                "maximum": 187.9431918,
                "minimum": -29.33680819,
                "name": "Z",
                "position": 2,
                "stddev": 27.30577335,
                "variance": 745.6052584
              },
              {
                "average": 46.20394568,
                "count": 6734857,
                "maximum": 8945,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 108.5123033,
                "variance": 11774.91996
              },
              {
                "average": 1.076610684,
                "count": 6734857,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3815069478,
                "variance": 0.1455475512
              },
              {
                "average": 1.15206455,
                "count": 6734857,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6095337803,
                "variance": 0.3715314293
              },
              {
                "average": 1,
                "count": 6734857,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6734857,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 22.19317114,
                "count": 6734857,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.95265722,
                "variance": 142.8660147
              },
              {
                "average": 19.18354288,
                "count": 6734857,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.702202983,
                "variance": 22.11071289
              },
              {
                "average": 100.0091698,
                "count": 6734857,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 77.63173496,
                "variance": 6026.686273
              },
              {
                "average": 3.584861564,
                "count": 6734857,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.484871133,
                "variance": 2.204842283
              },
              {
                "average": 62807264.37,
                "count": 6734857,
                "maximum": 63572103.96,
                "minimum": 62715654.49,
                "name": "GpsTime",
                "position": 12,
                "stddev": 109997.262,
                "variance": 12099397640.0
              },
              {
                "average": 0,
                "count": 6734857,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6734857,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6734857,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6734857,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6734857,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588999.6491,
              2361998.465,
              -29.33680819,
              589999.6691,
              2362998.465,
              187.9431918
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588999.6491288515,
                    2361998.464563052,
                    -29.336808185521036
                  ],
                  [
                    588999.6491288515,
                    2362998.464563052,
                    -29.336808185521036
                  ],
                  [
                    589999.6691288515,
                    2362998.464563052,
                    187.94319181447895
                  ],
                  [
                    589999.6691288515,
                    2361998.464563052,
                    187.94319181447895
                  ],
                  [
                    588999.6491288515,
                    2361998.464563052,
                    -29.336808185521036
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:41:43+00:00",
            "end_time": "2013-09-08T22:47:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9695.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.07221181271018,
              21.65563750490628,
              -39.072384848029884
            ],
            [
              -158.07215406014507,
              21.664671251718353,
              -39.072384848029884
            ],
            [
              -158.06248993548977,
              21.664616958016072,
              0.627615151970119
            ],
            [
              -158.06254829016578,
              21.655583235786075,
              0.627615151970119
            ],
            [
              -158.07221181271018,
              21.65563750490628,
              -39.072384848029884
            ]
          ]
        ]
      },
      "bbox": [
        -158.0722118,
        21.65558324,
        -39.07238485,
        -158.0624899,
        21.66467125,
        0.627615152
      ],
      "properties": {
        "datetime": "2013-09-22T23:43:36Z",
        "pc:count": 2029092,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 596630.4064,
            "count": 2029092,
            "maximum": 596999.6449,
            "minimum": 595999.6449,
            "name": "X",
            "position": 0,
            "stddev": 289.8131655,
            "variance": 83991.6709
          },
          {
            "average": 2395414.41,
            "count": 2029092,
            "maximum": 2395998.487,
            "minimum": 2394998.487,
            "name": "Y",
            "position": 1,
            "stddev": 300.7047286,
            "variance": 90423.33382
          },
          {
            "average": -22.3006639,
            "count": 2029092,
            "maximum": 0.627615152,
            "minimum": -39.07238485,
            "name": "Z",
            "position": 2,
            "stddev": 7.893829177,
            "variance": 62.31253908
          },
          {
            "average": 695.6930287,
            "count": 2029092,
            "maximum": 8514,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 606.6235666,
            "variance": 367992.1516
          },
          {
            "average": 1.005816395,
            "count": 2029092,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07755126007,
            "variance": 0.006014197939
          },
          {
            "average": 1.008992199,
            "count": 2029092,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09782518651,
            "variance": 0.009569767117
          },
          {
            "average": 1,
            "count": 2029092,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2029092,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2029092,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.76806045,
            "count": 2029092,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.594899231,
            "variance": 92.06209125
          },
          {
            "average": 210.3467364,
            "count": 2029092,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 73.6655759,
            "variance": 5426.617072
          },
          {
            "average": 3.293119287,
            "count": 2029092,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.665047627,
            "variance": 2.772383601
          },
          {
            "average": 62899933.43,
            "count": 2029092,
            "maximum": 63928616.67,
            "minimum": 62796169.05,
            "name": "GpsTime",
            "position": 12,
            "stddev": 292153.3985,
            "variance": 85353608260.0
          },
          {
            "average": 0,
            "count": 2029092,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2029092,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2029092,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2029092,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2029092,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          595999.6449,
          2394998.487,
          -39.07238485,
          596999.6449,
          2395998.487,
          0.627615152
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                595999.6449235481,
                2394998.486649149,
                -39.072384848029884
              ],
              [
                595999.6449235481,
                2395998.486649149,
                -39.072384848029884
              ],
              [
                596999.6449235481,
                2395998.486649149,
                0.627615151970119
              ],
              [
                596999.6449235481,
                2394998.486649149,
                0.627615151970119
              ],
              [
                595999.6449235481,
                2394998.486649149,
                -39.072384848029884
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:43:36+00:00",
        "end_time": "2013-09-09T21:09:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9695.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9695.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9695.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9695.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0722118,
            21.65558324,
            -39.07238485,
            -158.0624899,
            21.66467125,
            0.627615152
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.07221181271018,
                  21.65563750490628,
                  -39.072384848029884
                ],
                [
                  -158.07215406014507,
                  21.664671251718353,
                  -39.072384848029884
                ],
                [
                  -158.06248993548977,
                  21.664616958016072,
                  0.627615151970119
                ],
                [
                  -158.06254829016578,
                  21.655583235786075,
                  0.627615151970119
                ],
                [
                  -158.07221181271018,
                  21.65563750490628,
                  -39.072384848029884
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9695.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9695.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:43:36Z",
            "pc:count": 2029092,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 596630.4064,
                "count": 2029092,
                "maximum": 596999.6449,
                "minimum": 595999.6449,
                "name": "X",
                "position": 0,
                "stddev": 289.8131655,
                "variance": 83991.6709
              },
              {
                "average": 2395414.41,
                "count": 2029092,
                "maximum": 2395998.487,
                "minimum": 2394998.487,
                "name": "Y",
                "position": 1,
                "stddev": 300.7047286,
                "variance": 90423.33382
              },
              {
                "average": -22.3006639,
                "count": 2029092,
                "maximum": 0.627615152,
                "minimum": -39.07238485,
                "name": "Z",
                "position": 2,
                "stddev": 7.893829177,
                "variance": 62.31253908
              },
              {
                "average": 695.6930287,
                "count": 2029092,
                "maximum": 8514,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 606.6235666,
                "variance": 367992.1516
              },
              {
                "average": 1.005816395,
                "count": 2029092,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07755126007,
                "variance": 0.006014197939
              },
              {
                "average": 1.008992199,
                "count": 2029092,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09782518651,
                "variance": 0.009569767117
              },
              {
                "average": 1,
                "count": 2029092,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2029092,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2029092,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.76806045,
                "count": 2029092,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.594899231,
                "variance": 92.06209125
              },
              {
                "average": 210.3467364,
                "count": 2029092,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 73.6655759,
                "variance": 5426.617072
              },
              {
                "average": 3.293119287,
                "count": 2029092,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.665047627,
                "variance": 2.772383601
              },
              {
                "average": 62899933.43,
                "count": 2029092,
                "maximum": 63928616.67,
                "minimum": 62796169.05,
                "name": "GpsTime",
                "position": 12,
                "stddev": 292153.3985,
                "variance": 85353608260.0
              },
              {
                "average": 0,
                "count": 2029092,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2029092,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2029092,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2029092,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2029092,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              595999.6449,
              2394998.487,
              -39.07238485,
              596999.6449,
              2395998.487,
              0.627615152
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    595999.6449235481,
                    2394998.486649149,
                    -39.072384848029884
                  ],
                  [
                    595999.6449235481,
                    2395998.486649149,
                    -39.072384848029884
                  ],
                  [
                    596999.6449235481,
                    2395998.486649149,
                    0.627615151970119
                  ],
                  [
                    596999.6449235481,
                    2394998.486649149,
                    0.627615151970119
                  ],
                  [
                    595999.6449235481,
                    2394998.486649149,
                    -39.072384848029884
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:43:36+00:00",
            "end_time": "2013-09-09T21:09:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20131008_ncmp_hi_oahu_4qej9259.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11283968549156,
              21.330623658712536,
              6.132391878198915
            ],
            [
              -158.11278537414952,
              21.339657843249675,
              6.132391878198915
            ],
            [
              -158.10724848651216,
              21.33962851705391,
              35.032391878198915
            ],
            [
              -158.1073031369788,
              21.330594345911077,
              35.032391878198915
            ],
            [
              -158.11283968549156,
              21.330623658712536,
              6.132391878198915
            ]
          ]
        ]
      },
      "bbox": [
        -158.1128397,
        21.33059435,
        6.132391878,
        -158.1072485,
        21.33965784,
        35.03239188
      ],
      "properties": {
        "datetime": "2013-10-08T22:40:42Z",
        "pc:count": 1435200,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592206.1594,
            "count": 1435200,
            "maximum": 592573.8721,
            "minimum": 591999.6721,
            "name": "X",
            "position": 0,
            "stddev": 144.6572869,
            "variance": 20925.73066
          },
          {
            "average": 2359313.128,
            "count": 1435200,
            "maximum": 2359998.466,
            "minimum": 2358998.466,
            "name": "Y",
            "position": 1,
            "stddev": 268.8922261,
            "variance": 72303.02924
          },
          {
            "average": 16.71416826,
            "count": 1435200,
            "maximum": 35.03239188,
            "minimum": 6.132391878,
            "name": "Z",
            "position": 2,
            "stddev": 4.400286761,
            "variance": 19.36252358
          },
          {
            "average": 25.90943562,
            "count": 1435200,
            "maximum": 729,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 34.78166225,
            "variance": 1209.764029
          },
          {
            "average": 1.446390747,
            "count": 1435200,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8036271374,
            "variance": 0.645816576
          },
          {
            "average": 1.845274526,
            "count": 1435200,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.14484773,
            "variance": 1.310676326
          },
          {
            "average": 1,
            "count": 1435200,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1435200,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.331897993,
            "count": 1435200,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4708947545,
            "variance": 0.2217418698
          },
          {
            "average": 0,
            "count": 1435200,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.86137054,
            "count": 1435200,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.75370426,
            "variance": 4193.042216
          },
          {
            "average": 7.67944398,
            "count": 1435200,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8172050009,
            "variance": 0.6678240135
          },
          {
            "average": 65306824.83,
            "count": 1435200,
            "maximum": 65307242.84,
            "minimum": 65306333.17,
            "name": "GpsTime",
            "position": 12,
            "stddev": 255.6363444,
            "variance": 65349.94059
          },
          {
            "average": 0,
            "count": 1435200,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1435200,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1435200,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1435200,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1435200,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.6721,
          2358998.466,
          6.132391878,
          592573.8721,
          2359998.466,
          35.03239188
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.6720799557,
                2358998.466445552,
                6.132391878198915
              ],
              [
                591999.6720799557,
                2359998.466445552,
                6.132391878198915
              ],
              [
                592573.8720799556,
                2359998.466445552,
                35.032391878198915
              ],
              [
                592573.8720799556,
                2358998.466445552,
                35.032391878198915
              ],
              [
                591999.6720799557,
                2358998.466445552,
                6.132391878198915
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:40:42+00:00",
        "end_time": "2013-10-08T22:25:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20131008_ncmp_hi_oahu_4qej9259.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20131008_ncmp_hi_oahu_4qej9259.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20131008_ncmp_hi_oahu_4qej9259.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20131008_ncmp_hi_oahu_4qej9259.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1128397,
            21.33059435,
            6.132391878,
            -158.1072485,
            21.33965784,
            35.03239188
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11283968549156,
                  21.330623658712536,
                  6.132391878198915
                ],
                [
                  -158.11278537414952,
                  21.339657843249675,
                  6.132391878198915
                ],
                [
                  -158.10724848651216,
                  21.33962851705391,
                  35.032391878198915
                ],
                [
                  -158.1073031369788,
                  21.330594345911077,
                  35.032391878198915
                ],
                [
                  -158.11283968549156,
                  21.330623658712536,
                  6.132391878198915
                ]
              ]
            ]
          },
          "id": "20131008_ncmp_hi_oahu_4qej9259.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20131008_ncmp_hi_oahu_4qej9259.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:40:42Z",
            "pc:count": 1435200,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592206.1594,
                "count": 1435200,
                "maximum": 592573.8721,
                "minimum": 591999.6721,
                "name": "X",
                "position": 0,
                "stddev": 144.6572869,
                "variance": 20925.73066
              },
              {
                "average": 2359313.128,
                "count": 1435200,
                "maximum": 2359998.466,
                "minimum": 2358998.466,
                "name": "Y",
                "position": 1,
                "stddev": 268.8922261,
                "variance": 72303.02924
              },
              {
                "average": 16.71416826,
                "count": 1435200,
                "maximum": 35.03239188,
                "minimum": 6.132391878,
                "name": "Z",
                "position": 2,
                "stddev": 4.400286761,
                "variance": 19.36252358
              },
              {
                "average": 25.90943562,
                "count": 1435200,
                "maximum": 729,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 34.78166225,
                "variance": 1209.764029
              },
              {
                "average": 1.446390747,
                "count": 1435200,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8036271374,
                "variance": 0.645816576
              },
              {
                "average": 1.845274526,
                "count": 1435200,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.14484773,
                "variance": 1.310676326
              },
              {
                "average": 1,
                "count": 1435200,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1435200,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.331897993,
                "count": 1435200,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4708947545,
                "variance": 0.2217418698
              },
              {
                "average": 0,
                "count": 1435200,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.86137054,
                "count": 1435200,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.75370426,
                "variance": 4193.042216
              },
              {
                "average": 7.67944398,
                "count": 1435200,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8172050009,
                "variance": 0.6678240135
              },
              {
                "average": 65306824.83,
                "count": 1435200,
                "maximum": 65307242.84,
                "minimum": 65306333.17,
                "name": "GpsTime",
                "position": 12,
                "stddev": 255.6363444,
                "variance": 65349.94059
              },
              {
                "average": 0,
                "count": 1435200,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1435200,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1435200,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1435200,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1435200,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.6721,
              2358998.466,
              6.132391878,
              592573.8721,
              2359998.466,
              35.03239188
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.6720799557,
                    2358998.466445552,
                    6.132391878198915
                  ],
                  [
                    591999.6720799557,
                    2359998.466445552,
                    6.132391878198915
                  ],
                  [
                    592573.8720799556,
                    2359998.466445552,
                    35.032391878198915
                  ],
                  [
                    592573.8720799556,
                    2358998.466445552,
                    35.032391878198915
                  ],
                  [
                    591999.6720799557,
                    2358998.466445552,
                    6.132391878198915
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:40:42+00:00",
            "end_time": "2013-10-08T22:25:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0257.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.01653905318847,
              21.312018969935203,
              1.948114142805016
            ],
            [
              -158.01651399258617,
              21.31578270213675,
              1.948114142805016
            ],
            [
              -158.00687323513645,
              21.31572605352931,
              25.068114142805015
            ],
            [
              -158.00689854161152,
              21.311962332085326,
              25.068114142805015
            ],
            [
              -158.01653905318847,
              21.312018969935203,
              1.948114142805016
            ]
          ]
        ]
      },
      "bbox": [
        -158.0165391,
        21.31196233,
        1.948114143,
        -158.0068732,
        21.3157827,
        25.06811414
      ],
      "properties": {
        "datetime": "2013-09-16T09:47:13Z",
        "pc:count": 1355777,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 602636.5136,
            "count": 1355777,
            "maximum": 602999.7004,
            "minimum": 601999.7204,
            "name": "X",
            "position": 0,
            "stddev": 257.4924528,
            "variance": 66302.36324
          },
          {
            "average": 2357168.465,
            "count": 1355777,
            "maximum": 2357415.069,
            "minimum": 2356998.449,
            "name": "Y",
            "position": 1,
            "stddev": 110.6726082,
            "variance": 12248.4262
          },
          {
            "average": 5.060554714,
            "count": 1355777,
            "maximum": 25.06811414,
            "minimum": 1.948114143,
            "name": "Z",
            "position": 2,
            "stddev": 3.076021222,
            "variance": 9.461906559
          },
          {
            "average": 29.16512376,
            "count": 1355777,
            "maximum": 898,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 46.4075985,
            "variance": 2153.665199
          },
          {
            "average": 1.219243283,
            "count": 1355777,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5344351701,
            "variance": 0.285620951
          },
          {
            "average": 1.403131931,
            "count": 1355777,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7580410329,
            "variance": 0.5746262076
          },
          {
            "average": 1,
            "count": 1355777,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1355777,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.295450506,
            "count": 1355777,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4562451729,
            "variance": 0.2081596578
          },
          {
            "average": 0,
            "count": 1355777,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.42480437,
            "count": 1355777,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.69008864,
            "variance": 4056.427391
          },
          {
            "average": 2.056531421,
            "count": 1355777,
            "maximum": 3,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.2309451418,
            "variance": 0.05333565854
          },
          {
            "average": 63334799.46,
            "count": 1355777,
            "maximum": 63360033.29,
            "minimum": 63291813.91,
            "name": "GpsTime",
            "position": 12,
            "stddev": 32551.63437,
            "variance": 1059608900
          },
          {
            "average": 0,
            "count": 1355777,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1355777,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1355777,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1355777,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1355777,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          601999.7204,
          2356998.449,
          1.948114143,
          602999.7004,
          2357415.069,
          25.06811414
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                601999.7204227874,
                2356998.4485098645,
                1.948114142805016
              ],
              [
                601999.7204227874,
                2357415.0685098646,
                1.948114142805016
              ],
              [
                602999.7004227873,
                2357415.0685098646,
                25.068114142805015
              ],
              [
                602999.7004227873,
                2356998.4485098645,
                25.068114142805015
              ],
              [
                601999.7204227874,
                2356998.4485098645,
                1.948114142805016
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:47:13+00:00",
        "end_time": "2013-09-15T14:50:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0257.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0257.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0257.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0257.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0165391,
            21.31196233,
            1.948114143,
            -158.0068732,
            21.3157827,
            25.06811414
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.01653905318847,
                  21.312018969935203,
                  1.948114142805016
                ],
                [
                  -158.01651399258617,
                  21.31578270213675,
                  1.948114142805016
                ],
                [
                  -158.00687323513645,
                  21.31572605352931,
                  25.068114142805015
                ],
                [
                  -158.00689854161152,
                  21.311962332085326,
                  25.068114142805015
                ],
                [
                  -158.01653905318847,
                  21.312018969935203,
                  1.948114142805016
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0257.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0257.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:47:13Z",
            "pc:count": 1355777,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 602636.5136,
                "count": 1355777,
                "maximum": 602999.7004,
                "minimum": 601999.7204,
                "name": "X",
                "position": 0,
                "stddev": 257.4924528,
                "variance": 66302.36324
              },
              {
                "average": 2357168.465,
                "count": 1355777,
                "maximum": 2357415.069,
                "minimum": 2356998.449,
                "name": "Y",
                "position": 1,
                "stddev": 110.6726082,
                "variance": 12248.4262
              },
              {
                "average": 5.060554714,
                "count": 1355777,
                "maximum": 25.06811414,
                "minimum": 1.948114143,
                "name": "Z",
                "position": 2,
                "stddev": 3.076021222,
                "variance": 9.461906559
              },
              {
                "average": 29.16512376,
                "count": 1355777,
                "maximum": 898,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 46.4075985,
                "variance": 2153.665199
              },
              {
                "average": 1.219243283,
                "count": 1355777,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5344351701,
                "variance": 0.285620951
              },
              {
                "average": 1.403131931,
                "count": 1355777,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7580410329,
                "variance": 0.5746262076
              },
              {
                "average": 1,
                "count": 1355777,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1355777,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.295450506,
                "count": 1355777,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4562451729,
                "variance": 0.2081596578
              },
              {
                "average": 0,
                "count": 1355777,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.42480437,
                "count": 1355777,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.69008864,
                "variance": 4056.427391
              },
              {
                "average": 2.056531421,
                "count": 1355777,
                "maximum": 3,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.2309451418,
                "variance": 0.05333565854
              },
              {
                "average": 63334799.46,
                "count": 1355777,
                "maximum": 63360033.29,
                "minimum": 63291813.91,
                "name": "GpsTime",
                "position": 12,
                "stddev": 32551.63437,
                "variance": 1059608900
              },
              {
                "average": 0,
                "count": 1355777,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1355777,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1355777,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1355777,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1355777,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              601999.7204,
              2356998.449,
              1.948114143,
              602999.7004,
              2357415.069,
              25.06811414
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    601999.7204227874,
                    2356998.4485098645,
                    1.948114142805016
                  ],
                  [
                    601999.7204227874,
                    2357415.0685098646,
                    1.948114142805016
                  ],
                  [
                    602999.7004227873,
                    2357415.0685098646,
                    25.068114142805015
                  ],
                  [
                    602999.7004227873,
                    2356998.4485098645,
                    25.068114142805015
                  ],
                  [
                    601999.7204227874,
                    2356998.4485098645,
                    1.948114142805016
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:47:13+00:00",
            "end_time": "2013-09-15T14:50:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20131008_ncmp_hi_oahu_4qej9260.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1127853204358,
              21.339657870174463,
              16.84564495424585
            ],
            [
              -158.11277527729948,
              21.341327928815026,
              16.84564495424585
            ],
            [
              -158.11124224884037,
              21.341319826831256,
              41.90564495424585
            ],
            [
              -158.11125230933402,
              21.33964976888022,
              41.90564495424585
            ],
            [
              -158.1127853204358,
              21.339657870174463,
              16.84564495424585
            ]
          ]
        ]
      },
      "bbox": [
        -158.1127853,
        21.33964977,
        16.84564495,
        -158.1112422,
        21.34132793,
        41.90564495
      ],
      "properties": {
        "datetime": "2013-10-08T22:30:07Z",
        "pc:count": 53278,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592087.3353,
            "count": 53278,
            "maximum": 592158.6576,
            "minimum": 591999.6776,
            "name": "X",
            "position": 0,
            "stddev": 44.0979553,
            "variance": 1944.629661
          },
          {
            "average": 2360069.725,
            "count": 53278,
            "maximum": 2360183.329,
            "minimum": 2359998.469,
            "name": "Y",
            "position": 1,
            "stddev": 45.71491968,
            "variance": 2089.853881
          },
          {
            "average": 27.57110556,
            "count": 53278,
            "maximum": 41.90564495,
            "minimum": 16.84564495,
            "name": "Z",
            "position": 2,
            "stddev": 3.492559697,
            "variance": 12.19797324
          },
          {
            "average": 29.02218552,
            "count": 53278,
            "maximum": 614,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 40.14604927,
            "variance": 1611.705272
          },
          {
            "average": 1.447802095,
            "count": 53278,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8358793731,
            "variance": 0.6986943264
          },
          {
            "average": 1.848680506,
            "count": 53278,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.212318463,
            "variance": 1.469716055
          },
          {
            "average": 1,
            "count": 53278,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 53278,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.448890724,
            "count": 53278,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4973856505,
            "variance": 0.2473924853
          },
          {
            "average": 0,
            "count": 53278,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 90.5245317,
            "count": 53278,
            "maximum": 193,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.64472587,
            "variance": 4178.940583
          },
          {
            "average": 7,
            "count": 53278,
            "maximum": 7,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 65306605.8,
            "count": 53278,
            "maximum": 65306607.36,
            "minimum": 65306604.66,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.7219816762,
            "variance": 0.5212575408
          },
          {
            "average": 0,
            "count": 53278,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 53278,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 53278,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 53278,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 53278,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.6776,
          2359998.469,
          16.84564495,
          592158.6576,
          2360183.329,
          41.90564495
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.6776333372,
                2359998.4694571733,
                16.84564495424585
              ],
              [
                591999.6776333372,
                2360183.3294571736,
                16.84564495424585
              ],
              [
                592158.6576333372,
                2360183.3294571736,
                41.90564495424585
              ],
              [
                592158.6576333372,
                2359998.4694571733,
                41.90564495424585
              ],
              [
                591999.6776333372,
                2359998.4694571733,
                16.84564495424585
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-10-08T22:30:07+00:00",
        "end_time": "2013-10-08T22:30:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20131008_ncmp_hi_oahu_4qej9260.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20131008_ncmp_hi_oahu_4qej9260.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20131008_ncmp_hi_oahu_4qej9260.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20131008_ncmp_hi_oahu_4qej9260.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1127853,
            21.33964977,
            16.84564495,
            -158.1112422,
            21.34132793,
            41.90564495
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1127853204358,
                  21.339657870174463,
                  16.84564495424585
                ],
                [
                  -158.11277527729948,
                  21.341327928815026,
                  16.84564495424585
                ],
                [
                  -158.11124224884037,
                  21.341319826831256,
                  41.90564495424585
                ],
                [
                  -158.11125230933402,
                  21.33964976888022,
                  41.90564495424585
                ],
                [
                  -158.1127853204358,
                  21.339657870174463,
                  16.84564495424585
                ]
              ]
            ]
          },
          "id": "20131008_ncmp_hi_oahu_4qej9260.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20131008_ncmp_hi_oahu_4qej9260.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-10-08T22:30:07Z",
            "pc:count": 53278,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592087.3353,
                "count": 53278,
                "maximum": 592158.6576,
                "minimum": 591999.6776,
                "name": "X",
                "position": 0,
                "stddev": 44.0979553,
                "variance": 1944.629661
              },
              {
                "average": 2360069.725,
                "count": 53278,
                "maximum": 2360183.329,
                "minimum": 2359998.469,
                "name": "Y",
                "position": 1,
                "stddev": 45.71491968,
                "variance": 2089.853881
              },
              {
                "average": 27.57110556,
                "count": 53278,
                "maximum": 41.90564495,
                "minimum": 16.84564495,
                "name": "Z",
                "position": 2,
                "stddev": 3.492559697,
                "variance": 12.19797324
              },
              {
                "average": 29.02218552,
                "count": 53278,
                "maximum": 614,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 40.14604927,
                "variance": 1611.705272
              },
              {
                "average": 1.447802095,
                "count": 53278,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8358793731,
                "variance": 0.6986943264
              },
              {
                "average": 1.848680506,
                "count": 53278,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.212318463,
                "variance": 1.469716055
              },
              {
                "average": 1,
                "count": 53278,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 53278,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.448890724,
                "count": 53278,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4973856505,
                "variance": 0.2473924853
              },
              {
                "average": 0,
                "count": 53278,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 90.5245317,
                "count": 53278,
                "maximum": 193,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.64472587,
                "variance": 4178.940583
              },
              {
                "average": 7,
                "count": 53278,
                "maximum": 7,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 65306605.8,
                "count": 53278,
                "maximum": 65306607.36,
                "minimum": 65306604.66,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.7219816762,
                "variance": 0.5212575408
              },
              {
                "average": 0,
                "count": 53278,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 53278,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 53278,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 53278,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 53278,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.6776,
              2359998.469,
              16.84564495,
              592158.6576,
              2360183.329,
              41.90564495
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.6776333372,
                    2359998.4694571733,
                    16.84564495424585
                  ],
                  [
                    591999.6776333372,
                    2360183.3294571736,
                    16.84564495424585
                  ],
                  [
                    592158.6576333372,
                    2360183.3294571736,
                    41.90564495424585
                  ],
                  [
                    592158.6576333372,
                    2359998.4694571733,
                    41.90564495424585
                  ],
                  [
                    591999.6776333372,
                    2359998.4694571733,
                    16.84564495424585
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-10-08T22:30:07+00:00",
            "end_time": "2013-10-08T22:30:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130922_ncmp_hi_oahu_4qfj0298.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.01398739755356,
              21.69110994293556,
              11.373104759691387
            ],
            [
              -158.01398516592602,
              21.691437861171778,
              11.373104759691387
            ],
            [
              -158.01302381047435,
              21.691432142742705,
              18.413104759691386
            ],
            [
              -158.01302604428014,
              21.691104224600583,
              18.413104759691386
            ],
            [
              -158.01398739755356,
              21.69110994293556,
              11.373104759691387
            ]
          ]
        ]
      },
      "bbox": [
        -158.0139874,
        21.69110422,
        11.37310476,
        -158.0130238,
        21.69143786,
        18.41310476
      ],
      "properties": {
        "datetime": "2013-09-23T00:46:59Z",
        "pc:count": 17520,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 602036.9272,
            "count": 17520,
            "maximum": 602099.1427,
            "minimum": 601999.6827,
            "name": "X",
            "position": 0,
            "stddev": 23.80763871,
            "variance": 566.8036608
          },
          {
            "average": 2398986.223,
            "count": 17520,
            "maximum": 2398998.497,
            "minimum": 2398962.197,
            "name": "Y",
            "position": 1,
            "stddev": 9.440677267,
            "variance": 89.12638727
          },
          {
            "average": 12.82293923,
            "count": 17520,
            "maximum": 18.41310476,
            "minimum": 11.37310476,
            "name": "Z",
            "position": 2,
            "stddev": 1.136918282,
            "variance": 1.292583179
          },
          {
            "average": 19.2446347,
            "count": 17520,
            "maximum": 120,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.69598948,
            "variance": 278.7560646
          },
          {
            "average": 1.17836758,
            "count": 17520,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5027239752,
            "variance": 0.2527313952
          },
          {
            "average": 1.311700913,
            "count": 17520,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7006720622,
            "variance": 0.4909413387
          },
          {
            "average": 1,
            "count": 17520,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17520,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.271860731,
            "count": 17520,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4449312004,
            "variance": 0.1979637731
          },
          {
            "average": 19.89894693,
            "count": 17520,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.660469034,
            "variance": 2.757157413
          },
          {
            "average": 93.38481735,
            "count": 17520,
            "maximum": 190,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 62.69218938,
            "variance": 3930.310609
          },
          {
            "average": 15,
            "count": 17520,
            "maximum": 15,
            "minimum": 15,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63932417.56,
            "count": 17520,
            "maximum": 63932419.4,
            "minimum": 63932416,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.7951457411,
            "variance": 0.6322567496
          },
          {
            "average": 0,
            "count": 17520,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17520,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17520,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17520,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17520,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          601999.6827,
          2398962.197,
          11.37310476,
          602099.1427,
          2398998.497,
          18.41310476
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                601999.682675451,
                2398962.196999826,
                11.373104759691387
              ],
              [
                601999.682675451,
                2398998.496999826,
                11.373104759691387
              ],
              [
                602099.142675451,
                2398998.496999826,
                18.413104759691386
              ],
              [
                602099.142675451,
                2398962.196999826,
                18.413104759691386
              ],
              [
                601999.682675451,
                2398962.196999826,
                11.373104759691387
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:46:59+00:00",
        "end_time": "2013-09-23T00:46:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130922_ncmp_hi_oahu_4qfj0298.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130922_ncmp_hi_oahu_4qfj0298.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130922_ncmp_hi_oahu_4qfj0298.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfj0298.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0139874,
            21.69110422,
            11.37310476,
            -158.0130238,
            21.69143786,
            18.41310476
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.01398739755356,
                  21.69110994293556,
                  11.373104759691387
                ],
                [
                  -158.01398516592602,
                  21.691437861171778,
                  11.373104759691387
                ],
                [
                  -158.01302381047435,
                  21.691432142742705,
                  18.413104759691386
                ],
                [
                  -158.01302604428014,
                  21.691104224600583,
                  18.413104759691386
                ],
                [
                  -158.01398739755356,
                  21.69110994293556,
                  11.373104759691387
                ]
              ]
            ]
          },
          "id": "20130922_ncmp_hi_oahu_4qfj0298.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfj0298.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:46:59Z",
            "pc:count": 17520,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 602036.9272,
                "count": 17520,
                "maximum": 602099.1427,
                "minimum": 601999.6827,
                "name": "X",
                "position": 0,
                "stddev": 23.80763871,
                "variance": 566.8036608
              },
              {
                "average": 2398986.223,
                "count": 17520,
                "maximum": 2398998.497,
                "minimum": 2398962.197,
                "name": "Y",
                "position": 1,
                "stddev": 9.440677267,
                "variance": 89.12638727
              },
              {
                "average": 12.82293923,
                "count": 17520,
                "maximum": 18.41310476,
                "minimum": 11.37310476,
                "name": "Z",
                "position": 2,
                "stddev": 1.136918282,
                "variance": 1.292583179
              },
              {
                "average": 19.2446347,
                "count": 17520,
                "maximum": 120,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.69598948,
                "variance": 278.7560646
              },
              {
                "average": 1.17836758,
                "count": 17520,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5027239752,
                "variance": 0.2527313952
              },
              {
                "average": 1.311700913,
                "count": 17520,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7006720622,
                "variance": 0.4909413387
              },
              {
                "average": 1,
                "count": 17520,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17520,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.271860731,
                "count": 17520,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4449312004,
                "variance": 0.1979637731
              },
              {
                "average": 19.89894693,
                "count": 17520,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.660469034,
                "variance": 2.757157413
              },
              {
                "average": 93.38481735,
                "count": 17520,
                "maximum": 190,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 62.69218938,
                "variance": 3930.310609
              },
              {
                "average": 15,
                "count": 17520,
                "maximum": 15,
                "minimum": 15,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63932417.56,
                "count": 17520,
                "maximum": 63932419.4,
                "minimum": 63932416,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.7951457411,
                "variance": 0.6322567496
              },
              {
                "average": 0,
                "count": 17520,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17520,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17520,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17520,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17520,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              601999.6827,
              2398962.197,
              11.37310476,
              602099.1427,
              2398998.497,
              18.41310476
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    601999.682675451,
                    2398962.196999826,
                    11.373104759691387
                  ],
                  [
                    601999.682675451,
                    2398998.496999826,
                    11.373104759691387
                  ],
                  [
                    602099.142675451,
                    2398998.496999826,
                    18.413104759691386
                  ],
                  [
                    602099.142675451,
                    2398962.196999826,
                    18.413104759691386
                  ],
                  [
                    601999.682675451,
                    2398962.196999826,
                    11.373104759691387
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:46:59+00:00",
            "end_time": "2013-09-23T00:46:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9286.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11135348783628,
              21.5761228275831,
              0.756581452335762
            ],
            [
              -158.1113080100131,
              21.583577814030875,
              0.756581452335762
            ],
            [
              -158.10667465339355,
              21.583553021993076,
              33.57658145233576
            ],
            [
              -158.10672036829195,
              21.57609804482101,
              33.57658145233576
            ],
            [
              -158.11135348783628,
              21.5761228275831,
              0.756581452335762
            ]
          ]
        ]
      },
      "bbox": [
        -158.1113535,
        21.57609804,
        0.7565814523,
        -158.1066747,
        21.58357781,
        33.57658145
      ],
      "properties": {
        "datetime": "2013-09-22T23:59:17Z",
        "pc:count": 883261,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592148.3126,
            "count": 883261,
            "maximum": 592479.3397,
            "minimum": 591999.6397,
            "name": "X",
            "position": 0,
            "stddev": 109.2254815,
            "variance": 11930.2058
          },
          {
            "average": 2386536.269,
            "count": 883261,
            "maximum": 2386998.483,
            "minimum": 2386173.263,
            "name": "Y",
            "position": 1,
            "stddev": 237.5966152,
            "variance": 56452.15156
          },
          {
            "average": 6.807143993,
            "count": 883261,
            "maximum": 33.57658145,
            "minimum": 0.7565814523,
            "name": "Z",
            "position": 2,
            "stddev": 4.579374516,
            "variance": 20.97067096
          },
          {
            "average": 13.3311807,
            "count": 883261,
            "maximum": 850,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.26071946,
            "variance": 452.0181921
          },
          {
            "average": 1.463517579,
            "count": 883261,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8131282326,
            "variance": 0.6611775227
          },
          {
            "average": 1.928582831,
            "count": 883261,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.176448365,
            "variance": 1.384030755
          },
          {
            "average": 1,
            "count": 883261,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 883261,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.232889259,
            "count": 883261,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4226725144,
            "variance": 0.1786520544
          },
          {
            "average": 19.74561564,
            "count": 883261,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.915097894,
            "variance": 15.32799152
          },
          {
            "average": 90.5701848,
            "count": 883261,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.42009463,
            "variance": 4411.62897
          },
          {
            "average": 4.140658311,
            "count": 883261,
            "maximum": 5,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.288541365,
            "variance": 1.66033885
          },
          {
            "average": 63057950.06,
            "count": 883261,
            "maximum": 63929557.39,
            "minimum": 62866724.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 305701.8302,
            "variance": 93453609000.0
          },
          {
            "average": 0,
            "count": 883261,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 883261,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 883261,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 883261,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 883261,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.6397,
          2386173.263,
          0.7565814523,
          592479.3397,
          2386998.483,
          33.57658145
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.6397462221,
                2386173.262851503,
                0.756581452335762
              ],
              [
                591999.6397462221,
                2386998.482851503,
                0.756581452335762
              ],
              [
                592479.339746222,
                2386998.482851503,
                33.57658145233576
              ],
              [
                592479.339746222,
                2386173.262851503,
                33.57658145233576
              ],
              [
                591999.6397462221,
                2386173.262851503,
                0.756581452335762
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:59:17+00:00",
        "end_time": "2013-09-10T16:45:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9286.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9286.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9286.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9286.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1113535,
            21.57609804,
            0.7565814523,
            -158.1066747,
            21.58357781,
            33.57658145
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11135348783628,
                  21.5761228275831,
                  0.756581452335762
                ],
                [
                  -158.1113080100131,
                  21.583577814030875,
                  0.756581452335762
                ],
                [
                  -158.10667465339355,
                  21.583553021993076,
                  33.57658145233576
                ],
                [
                  -158.10672036829195,
                  21.57609804482101,
                  33.57658145233576
                ],
                [
                  -158.11135348783628,
                  21.5761228275831,
                  0.756581452335762
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9286.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9286.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:59:17Z",
            "pc:count": 883261,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592148.3126,
                "count": 883261,
                "maximum": 592479.3397,
                "minimum": 591999.6397,
                "name": "X",
                "position": 0,
                "stddev": 109.2254815,
                "variance": 11930.2058
              },
              {
                "average": 2386536.269,
                "count": 883261,
                "maximum": 2386998.483,
                "minimum": 2386173.263,
                "name": "Y",
                "position": 1,
                "stddev": 237.5966152,
                "variance": 56452.15156
              },
              {
                "average": 6.807143993,
                "count": 883261,
                "maximum": 33.57658145,
                "minimum": 0.7565814523,
                "name": "Z",
                "position": 2,
                "stddev": 4.579374516,
                "variance": 20.97067096
              },
              {
                "average": 13.3311807,
                "count": 883261,
                "maximum": 850,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.26071946,
                "variance": 452.0181921
              },
              {
                "average": 1.463517579,
                "count": 883261,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8131282326,
                "variance": 0.6611775227
              },
              {
                "average": 1.928582831,
                "count": 883261,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.176448365,
                "variance": 1.384030755
              },
              {
                "average": 1,
                "count": 883261,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 883261,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.232889259,
                "count": 883261,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4226725144,
                "variance": 0.1786520544
              },
              {
                "average": 19.74561564,
                "count": 883261,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.915097894,
                "variance": 15.32799152
              },
              {
                "average": 90.5701848,
                "count": 883261,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.42009463,
                "variance": 4411.62897
              },
              {
                "average": 4.140658311,
                "count": 883261,
                "maximum": 5,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.288541365,
                "variance": 1.66033885
              },
              {
                "average": 63057950.06,
                "count": 883261,
                "maximum": 63929557.39,
                "minimum": 62866724.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 305701.8302,
                "variance": 93453609000.0
              },
              {
                "average": 0,
                "count": 883261,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 883261,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 883261,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 883261,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 883261,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.6397,
              2386173.263,
              0.7565814523,
              592479.3397,
              2386998.483,
              33.57658145
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.6397462221,
                    2386173.262851503,
                    0.756581452335762
                  ],
                  [
                    591999.6397462221,
                    2386998.482851503,
                    0.756581452335762
                  ],
                  [
                    592479.339746222,
                    2386998.482851503,
                    33.57658145233576
                  ],
                  [
                    592479.339746222,
                    2386173.262851503,
                    33.57658145233576
                  ],
                  [
                    591999.6397462221,
                    2386173.262851503,
                    0.756581452335762
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:59:17+00:00",
            "end_time": "2013-09-10T16:45:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0656.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.97803893027057,
              21.30275522591368,
              -6.229052395130642
            ],
            [
              -157.97797644081146,
              21.31178909784563,
              -6.229052395130642
            ],
            [
              -157.96833590548047,
              21.311730279325065,
              -1.109052395130642
            ],
            [
              -157.96839898643773,
              21.30269643221781,
              -1.109052395130642
            ],
            [
              -157.97803893027057,
              21.30275522591368,
              -6.229052395130642
            ]
          ]
        ]
      },
      "bbox": [
        -157.9780389,
        21.30269643,
        -6.229052395,
        -157.9683359,
        21.3117891,
        -1.109052395
      ],
      "properties": {
        "datetime": "2013-09-16T11:37:04Z",
        "pc:count": 4718733,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 606496.6389,
            "count": 4718733,
            "maximum": 606999.7208,
            "minimum": 605999.7208,
            "name": "X",
            "position": 0,
            "stddev": 284.1172841,
            "variance": 80722.6311
          },
          {
            "average": 2356488.446,
            "count": 4718733,
            "maximum": 2356998.446,
            "minimum": 2355998.446,
            "name": "Y",
            "position": 1,
            "stddev": 290.1914844,
            "variance": 84211.09763
          },
          {
            "average": -3.977004191,
            "count": 4718733,
            "maximum": -1.109052395,
            "minimum": -6.229052395,
            "name": "Z",
            "position": 2,
            "stddev": 0.9079663524,
            "variance": 0.824402897
          },
          {
            "average": 6.541964337,
            "count": 4718733,
            "maximum": 4542,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.45993138,
            "variance": 270.9293411
          },
          {
            "average": 1.002612354,
            "count": 4718733,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05119777457,
            "variance": 0.002621212121
          },
          {
            "average": 1.004296704,
            "count": 4718733,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.06565083138,
            "variance": 0.004310031661
          },
          {
            "average": 1,
            "count": 4718733,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4718733,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4718733,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4718733,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.7211031,
            "count": 4718733,
            "maximum": 250,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 64.42996699,
            "variance": 4151.220647
          },
          {
            "average": 7.234588395,
            "count": 4718733,
            "maximum": 11,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.075356792,
            "variance": 4.307105814
          },
          {
            "average": 63363321.07,
            "count": 4718733,
            "maximum": 63366624.88,
            "minimum": 63359975.13,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1842.2806,
            "variance": 3393997.807
          },
          {
            "average": 0,
            "count": 4718733,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4718733,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4718733,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4718733,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4718733,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          605999.7208,
          2355998.446,
          -6.229052395,
          606999.7208,
          2356998.446,
          -1.109052395
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                605999.720825125,
                2355998.4459693544,
                -6.229052395130642
              ],
              [
                605999.720825125,
                2356998.4459693544,
                -6.229052395130642
              ],
              [
                606999.720825125,
                2356998.4459693544,
                -1.109052395130642
              ],
              [
                606999.720825125,
                2355998.4459693544,
                -1.109052395130642
              ],
              [
                605999.720825125,
                2355998.4459693544,
                -6.229052395130642
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:37:04+00:00",
        "end_time": "2013-09-16T09:46:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0656.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0656.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0656.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0656.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9780389,
            21.30269643,
            -6.229052395,
            -157.9683359,
            21.3117891,
            -1.109052395
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.97803893027057,
                  21.30275522591368,
                  -6.229052395130642
                ],
                [
                  -157.97797644081146,
                  21.31178909784563,
                  -6.229052395130642
                ],
                [
                  -157.96833590548047,
                  21.311730279325065,
                  -1.109052395130642
                ],
                [
                  -157.96839898643773,
                  21.30269643221781,
                  -1.109052395130642
                ],
                [
                  -157.97803893027057,
                  21.30275522591368,
                  -6.229052395130642
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0656.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0656.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:37:04Z",
            "pc:count": 4718733,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 606496.6389,
                "count": 4718733,
                "maximum": 606999.7208,
                "minimum": 605999.7208,
                "name": "X",
                "position": 0,
                "stddev": 284.1172841,
                "variance": 80722.6311
              },
              {
                "average": 2356488.446,
                "count": 4718733,
                "maximum": 2356998.446,
                "minimum": 2355998.446,
                "name": "Y",
                "position": 1,
                "stddev": 290.1914844,
                "variance": 84211.09763
              },
              {
                "average": -3.977004191,
                "count": 4718733,
                "maximum": -1.109052395,
                "minimum": -6.229052395,
                "name": "Z",
                "position": 2,
                "stddev": 0.9079663524,
                "variance": 0.824402897
              },
              {
                "average": 6.541964337,
                "count": 4718733,
                "maximum": 4542,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.45993138,
                "variance": 270.9293411
              },
              {
                "average": 1.002612354,
                "count": 4718733,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05119777457,
                "variance": 0.002621212121
              },
              {
                "average": 1.004296704,
                "count": 4718733,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.06565083138,
                "variance": 0.004310031661
              },
              {
                "average": 1,
                "count": 4718733,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4718733,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4718733,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4718733,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.7211031,
                "count": 4718733,
                "maximum": 250,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 64.42996699,
                "variance": 4151.220647
              },
              {
                "average": 7.234588395,
                "count": 4718733,
                "maximum": 11,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.075356792,
                "variance": 4.307105814
              },
              {
                "average": 63363321.07,
                "count": 4718733,
                "maximum": 63366624.88,
                "minimum": 63359975.13,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1842.2806,
                "variance": 3393997.807
              },
              {
                "average": 0,
                "count": 4718733,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4718733,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4718733,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4718733,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4718733,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              605999.7208,
              2355998.446,
              -6.229052395,
              606999.7208,
              2356998.446,
              -1.109052395
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    605999.720825125,
                    2355998.4459693544,
                    -6.229052395130642
                  ],
                  [
                    605999.720825125,
                    2356998.4459693544,
                    -6.229052395130642
                  ],
                  [
                    606999.720825125,
                    2356998.4459693544,
                    -1.109052395130642
                  ],
                  [
                    606999.720825125,
                    2355998.4459693544,
                    -1.109052395130642
                  ],
                  [
                    605999.720825125,
                    2355998.4459693544,
                    -6.229052395130642
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:37:04+00:00",
            "end_time": "2013-09-16T09:46:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9696.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.07006501312478,
              21.664659553772328,
              -34.370146997413755
            ],
            [
              -158.07001811660473,
              21.671975250885833,
              -34.370146997413755
            ],
            [
              -158.06244260966332,
              21.671932629962182,
              -9.510146997413756
            ],
            [
              -158.0624898884269,
              21.664616948510524,
              -9.510146997413756
            ],
            [
              -158.07006501312478,
              21.664659553772328,
              -34.370146997413755
            ]
          ]
        ]
      },
      "bbox": [
        -158.070065,
        21.66461695,
        -34.370147,
        -158.0624426,
        21.67197525,
        -9.510146997
      ],
      "properties": {
        "datetime": "2013-09-09T22:35:49Z",
        "pc:count": 1151819,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 596838.4473,
            "count": 1151819,
            "maximum": 596999.6498,
            "minimum": 596215.8098,
            "name": "X",
            "position": 0,
            "stddev": 133.772769,
            "variance": 17895.15371
          },
          {
            "average": 2396258.13,
            "count": 1151819,
            "maximum": 2396808.306,
            "minimum": 2395998.486,
            "name": "Y",
            "position": 1,
            "stddev": 163.5840041,
            "variance": 26759.7264
          },
          {
            "average": -14.21334246,
            "count": 1151819,
            "maximum": -9.510146997,
            "minimum": -34.370147,
            "name": "Z",
            "position": 2,
            "stddev": 4.738526397,
            "variance": 22.45363242
          },
          {
            "average": 94.65641216,
            "count": 1151819,
            "maximum": 7527,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 217.7755575,
            "variance": 47426.19347
          },
          {
            "average": 1.012271893,
            "count": 1151819,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1158902032,
            "variance": 0.01343053919
          },
          {
            "average": 1.019157524,
            "count": 1151819,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1498302159,
            "variance": 0.02244909359
          },
          {
            "average": 1,
            "count": 1151819,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1151819,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1151819,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.57360454,
            "count": 1151819,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.108761813,
            "variance": 65.75201814
          },
          {
            "average": 127.0873592,
            "count": 1151819,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 86.17417421,
            "variance": 7425.9883
          },
          {
            "average": 2.273160974,
            "count": 1151819,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9439440492,
            "variance": 0.891030368
          },
          {
            "average": 62798252.51,
            "count": 1151819,
            "maximum": 62801349.81,
            "minimum": 62796178.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1767.421635,
            "variance": 3123779.234
          },
          {
            "average": 0,
            "count": 1151819,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1151819,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1151819,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1151819,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1151819,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          596215.8098,
          2395998.486,
          -34.370147,
          596999.6498,
          2396808.306,
          -9.510146997
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                596215.8097995837,
                2395998.4856263767,
                -34.370146997413755
              ],
              [
                596215.8097995837,
                2396808.305626377,
                -34.370146997413755
              ],
              [
                596999.6497995838,
                2396808.305626377,
                -9.510146997413756
              ],
              [
                596999.6497995838,
                2395998.4856263767,
                -9.510146997413756
              ],
              [
                596215.8097995837,
                2395998.4856263767,
                -34.370146997413755
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T22:35:49+00:00",
        "end_time": "2013-09-09T21:09:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9696.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9696.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9696.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9696.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.070065,
            21.66461695,
            -34.370147,
            -158.0624426,
            21.67197525,
            -9.510146997
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.07006501312478,
                  21.664659553772328,
                  -34.370146997413755
                ],
                [
                  -158.07001811660473,
                  21.671975250885833,
                  -34.370146997413755
                ],
                [
                  -158.06244260966332,
                  21.671932629962182,
                  -9.510146997413756
                ],
                [
                  -158.0624898884269,
                  21.664616948510524,
                  -9.510146997413756
                ],
                [
                  -158.07006501312478,
                  21.664659553772328,
                  -34.370146997413755
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9696.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9696.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T22:35:49Z",
            "pc:count": 1151819,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 596838.4473,
                "count": 1151819,
                "maximum": 596999.6498,
                "minimum": 596215.8098,
                "name": "X",
                "position": 0,
                "stddev": 133.772769,
                "variance": 17895.15371
              },
              {
                "average": 2396258.13,
                "count": 1151819,
                "maximum": 2396808.306,
                "minimum": 2395998.486,
                "name": "Y",
                "position": 1,
                "stddev": 163.5840041,
                "variance": 26759.7264
              },
              {
                "average": -14.21334246,
                "count": 1151819,
                "maximum": -9.510146997,
                "minimum": -34.370147,
                "name": "Z",
                "position": 2,
                "stddev": 4.738526397,
                "variance": 22.45363242
              },
              {
                "average": 94.65641216,
                "count": 1151819,
                "maximum": 7527,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 217.7755575,
                "variance": 47426.19347
              },
              {
                "average": 1.012271893,
                "count": 1151819,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1158902032,
                "variance": 0.01343053919
              },
              {
                "average": 1.019157524,
                "count": 1151819,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1498302159,
                "variance": 0.02244909359
              },
              {
                "average": 1,
                "count": 1151819,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1151819,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1151819,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.57360454,
                "count": 1151819,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.108761813,
                "variance": 65.75201814
              },
              {
                "average": 127.0873592,
                "count": 1151819,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 86.17417421,
                "variance": 7425.9883
              },
              {
                "average": 2.273160974,
                "count": 1151819,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9439440492,
                "variance": 0.891030368
              },
              {
                "average": 62798252.51,
                "count": 1151819,
                "maximum": 62801349.81,
                "minimum": 62796178.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1767.421635,
                "variance": 3123779.234
              },
              {
                "average": 0,
                "count": 1151819,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1151819,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1151819,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1151819,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1151819,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              596215.8098,
              2395998.486,
              -34.370147,
              596999.6498,
              2396808.306,
              -9.510146997
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    596215.8097995837,
                    2395998.4856263767,
                    -34.370146997413755
                  ],
                  [
                    596215.8097995837,
                    2396808.305626377,
                    -34.370146997413755
                  ],
                  [
                    596999.6497995838,
                    2396808.305626377,
                    -9.510146997413756
                  ],
                  [
                    596999.6497995838,
                    2395998.4856263767,
                    -9.510146997413756
                  ],
                  [
                    596215.8097995837,
                    2395998.4856263767,
                    -34.370146997413755
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T22:35:49+00:00",
            "end_time": "2013-09-09T21:09:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9855.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0552179602386,
              21.294171924851845,
              -6.199179998234396
            ],
            [
              -158.0551602182065,
              21.3032060127895,
              -6.199179998234396
            ],
            [
              -158.04551998297674,
              21.303151594688543,
              28.200820001765603
            ],
            [
              -158.04557831388777,
              21.294117532108515,
              28.200820001765603
            ],
            [
              -158.0552179602386,
              21.294171924851845,
              -6.199179998234396
            ]
          ]
        ]
      },
      "bbox": [
        -158.055218,
        21.29411753,
        -6.199179998,
        -158.04552,
        21.30320601,
        28.20082
      ],
      "properties": {
        "datetime": "2013-09-17T11:57:13Z",
        "pc:count": 5227445,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 598463.0211,
            "count": 5227445,
            "maximum": 598999.6951,
            "minimum": 597999.6951,
            "name": "X",
            "position": 0,
            "stddev": 281.851567,
            "variance": 79440.30584
          },
          {
            "average": 2355567.952,
            "count": 5227445,
            "maximum": 2355998.454,
            "minimum": 2354998.454,
            "name": "Y",
            "position": 1,
            "stddev": 325.7474488,
            "variance": 106111.4004
          },
          {
            "average": 1.292240681,
            "count": 5227445,
            "maximum": 28.20082,
            "minimum": -6.199179998,
            "name": "Z",
            "position": 2,
            "stddev": 5.212165731,
            "variance": 27.1666716
          },
          {
            "average": 9.295533669,
            "count": 5227445,
            "maximum": 2452,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.96871114,
            "variance": 527.5616914
          },
          {
            "average": 1.383179546,
            "count": 5227445,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8386538824,
            "variance": 0.7033403344
          },
          {
            "average": 1.731269291,
            "count": 5227445,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.266382205,
            "variance": 1.603723888
          },
          {
            "average": 1,
            "count": 5227445,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5227445,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.31721118,
            "count": 5227445,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.54794552,
            "variance": 183.5468277
          },
          {
            "average": 0,
            "count": 5227445,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 89.85166252,
            "count": 5227445,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.74181608,
            "variance": 4863.92091
          },
          {
            "average": 8.22438897,
            "count": 5227445,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.026623456,
            "variance": 9.160449543
          },
          {
            "average": 63371351.06,
            "count": 5227445,
            "maximum": 63454233,
            "minimum": 63361148.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 23598.38468,
            "variance": 556883759.3
          },
          {
            "average": 0,
            "count": 5227445,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5227445,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5227445,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5227445,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5227445,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          597999.6951,
          2354998.454,
          -6.199179998,
          598999.6951,
          2355998.454,
          28.20082
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                597999.6950669354,
                2354998.45431839,
                -6.199179998234396
              ],
              [
                597999.6950669354,
                2355998.45431839,
                -6.199179998234396
              ],
              [
                598999.6950669354,
                2355998.45431839,
                28.200820001765603
              ],
              [
                598999.6950669354,
                2354998.45431839,
                28.200820001765603
              ],
              [
                597999.6950669354,
                2354998.45431839,
                -6.199179998234396
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T11:57:13+00:00",
        "end_time": "2013-09-16T10:05:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9855.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9855.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9855.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9855.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.055218,
            21.29411753,
            -6.199179998,
            -158.04552,
            21.30320601,
            28.20082
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0552179602386,
                  21.294171924851845,
                  -6.199179998234396
                ],
                [
                  -158.0551602182065,
                  21.3032060127895,
                  -6.199179998234396
                ],
                [
                  -158.04551998297674,
                  21.303151594688543,
                  28.200820001765603
                ],
                [
                  -158.04557831388777,
                  21.294117532108515,
                  28.200820001765603
                ],
                [
                  -158.0552179602386,
                  21.294171924851845,
                  -6.199179998234396
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9855.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9855.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T11:57:13Z",
            "pc:count": 5227445,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 598463.0211,
                "count": 5227445,
                "maximum": 598999.6951,
                "minimum": 597999.6951,
                "name": "X",
                "position": 0,
                "stddev": 281.851567,
                "variance": 79440.30584
              },
              {
                "average": 2355567.952,
                "count": 5227445,
                "maximum": 2355998.454,
                "minimum": 2354998.454,
                "name": "Y",
                "position": 1,
                "stddev": 325.7474488,
                "variance": 106111.4004
              },
              {
                "average": 1.292240681,
                "count": 5227445,
                "maximum": 28.20082,
                "minimum": -6.199179998,
                "name": "Z",
                "position": 2,
                "stddev": 5.212165731,
                "variance": 27.1666716
              },
              {
                "average": 9.295533669,
                "count": 5227445,
                "maximum": 2452,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.96871114,
                "variance": 527.5616914
              },
              {
                "average": 1.383179546,
                "count": 5227445,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8386538824,
                "variance": 0.7033403344
              },
              {
                "average": 1.731269291,
                "count": 5227445,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.266382205,
                "variance": 1.603723888
              },
              {
                "average": 1,
                "count": 5227445,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5227445,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.31721118,
                "count": 5227445,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.54794552,
                "variance": 183.5468277
              },
              {
                "average": 0,
                "count": 5227445,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 89.85166252,
                "count": 5227445,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.74181608,
                "variance": 4863.92091
              },
              {
                "average": 8.22438897,
                "count": 5227445,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.026623456,
                "variance": 9.160449543
              },
              {
                "average": 63371351.06,
                "count": 5227445,
                "maximum": 63454233,
                "minimum": 63361148.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 23598.38468,
                "variance": 556883759.3
              },
              {
                "average": 0,
                "count": 5227445,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5227445,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5227445,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5227445,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5227445,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              597999.6951,
              2354998.454,
              -6.199179998,
              598999.6951,
              2355998.454,
              28.20082
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    597999.6950669354,
                    2354998.45431839,
                    -6.199179998234396
                  ],
                  [
                    597999.6950669354,
                    2355998.45431839,
                    -6.199179998234396
                  ],
                  [
                    598999.6950669354,
                    2355998.45431839,
                    28.200820001765603
                  ],
                  [
                    598999.6950669354,
                    2354998.45431839,
                    28.200820001765603
                  ],
                  [
                    597999.6950669354,
                    2354998.45431839,
                    -6.199179998234396
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T11:57:13+00:00",
            "end_time": "2013-09-16T10:05:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9753.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.06493162324134,
              21.28252802291512,
              -19.538682057889787
            ],
            [
              -158.064914786334,
              21.28519164605348,
              -19.538682057889787
            ],
            [
              -158.05527589318697,
              21.285137828845464,
              -13.238682057889788
            ],
            [
              -158.0552929032525,
              21.282474213477457,
              -13.238682057889788
            ],
            [
              -158.06493162324134,
              21.28252802291512,
              -19.538682057889787
            ]
          ]
        ]
      },
      "bbox": [
        -158.0649316,
        21.28247421,
        -19.53868206,
        -158.0552759,
        21.28519165,
        -13.23868206
      ],
      "properties": {
        "datetime": "2013-09-15T10:38:08Z",
        "pc:count": 197633,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 597473.099,
            "count": 197633,
            "maximum": 597999.6721,
            "minimum": 596999.6921,
            "name": "X",
            "position": 0,
            "stddev": 290.3573628,
            "variance": 84307.39816
          },
          {
            "average": 2353886.833,
            "count": 197633,
            "maximum": 2353998.454,
            "minimum": 2353703.614,
            "name": "Y",
            "position": 1,
            "stddev": 75.59063468,
            "variance": 5713.944051
          },
          {
            "average": -16.06083372,
            "count": 197633,
            "maximum": -13.23868206,
            "minimum": -19.53868206,
            "name": "Z",
            "position": 2,
            "stddev": 0.9545252276,
            "variance": 0.9111184101
          },
          {
            "average": 100.1103308,
            "count": 197633,
            "maximum": 438,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 81.71059412,
            "variance": 6676.621191
          },
          {
            "average": 1.00088042,
            "count": 197633,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0296588786,
            "variance": 0.0008796490799
          },
          {
            "average": 1.00088548,
            "count": 197633,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02974390785,
            "variance": 0.0008847000539
          },
          {
            "average": 1,
            "count": 197633,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 197633,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 197633,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 197633,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 201.2593798,
            "count": 197633,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 74.84293333,
            "variance": 5601.46467
          },
          {
            "average": 6.552680979,
            "count": 197633,
            "maximum": 8,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8943767334,
            "variance": 0.7999097413
          },
          {
            "average": 63275987.12,
            "count": 197633,
            "maximum": 63276688.96,
            "minimum": 63275712.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 428.9853869,
            "variance": 184028.4622
          },
          {
            "average": 0,
            "count": 197633,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 197633,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 197633,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 197633,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 197633,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          596999.6921,
          2353703.614,
          -19.53868206,
          597999.6721,
          2353998.454,
          -13.23868206
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                596999.6921428996,
                2353703.6143998886,
                -19.538682057889787
              ],
              [
                596999.6921428996,
                2353998.4543998884,
                -19.538682057889787
              ],
              [
                597999.6721428996,
                2353998.4543998884,
                -13.238682057889788
              ],
              [
                597999.6721428996,
                2353703.6143998886,
                -13.238682057889788
              ],
              [
                596999.6921428996,
                2353703.6143998886,
                -19.538682057889787
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:38:08+00:00",
        "end_time": "2013-09-15T10:21:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9753.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9753.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9753.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9753.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0649316,
            21.28247421,
            -19.53868206,
            -158.0552759,
            21.28519165,
            -13.23868206
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.06493162324134,
                  21.28252802291512,
                  -19.538682057889787
                ],
                [
                  -158.064914786334,
                  21.28519164605348,
                  -19.538682057889787
                ],
                [
                  -158.05527589318697,
                  21.285137828845464,
                  -13.238682057889788
                ],
                [
                  -158.0552929032525,
                  21.282474213477457,
                  -13.238682057889788
                ],
                [
                  -158.06493162324134,
                  21.28252802291512,
                  -19.538682057889787
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9753.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9753.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:38:08Z",
            "pc:count": 197633,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 597473.099,
                "count": 197633,
                "maximum": 597999.6721,
                "minimum": 596999.6921,
                "name": "X",
                "position": 0,
                "stddev": 290.3573628,
                "variance": 84307.39816
              },
              {
                "average": 2353886.833,
                "count": 197633,
                "maximum": 2353998.454,
                "minimum": 2353703.614,
                "name": "Y",
                "position": 1,
                "stddev": 75.59063468,
                "variance": 5713.944051
              },
              {
                "average": -16.06083372,
                "count": 197633,
                "maximum": -13.23868206,
                "minimum": -19.53868206,
                "name": "Z",
                "position": 2,
                "stddev": 0.9545252276,
                "variance": 0.9111184101
              },
              {
                "average": 100.1103308,
                "count": 197633,
                "maximum": 438,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 81.71059412,
                "variance": 6676.621191
              },
              {
                "average": 1.00088042,
                "count": 197633,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0296588786,
                "variance": 0.0008796490799
              },
              {
                "average": 1.00088548,
                "count": 197633,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02974390785,
                "variance": 0.0008847000539
              },
              {
                "average": 1,
                "count": 197633,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 197633,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 197633,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 197633,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 201.2593798,
                "count": 197633,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 74.84293333,
                "variance": 5601.46467
              },
              {
                "average": 6.552680979,
                "count": 197633,
                "maximum": 8,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8943767334,
                "variance": 0.7999097413
              },
              {
                "average": 63275987.12,
                "count": 197633,
                "maximum": 63276688.96,
                "minimum": 63275712.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 428.9853869,
                "variance": 184028.4622
              },
              {
                "average": 0,
                "count": 197633,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 197633,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 197633,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 197633,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 197633,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              596999.6921,
              2353703.614,
              -19.53868206,
              597999.6721,
              2353998.454,
              -13.23868206
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    596999.6921428996,
                    2353703.6143998886,
                    -19.538682057889787
                  ],
                  [
                    596999.6921428996,
                    2353998.4543998884,
                    -19.538682057889787
                  ],
                  [
                    597999.6721428996,
                    2353998.4543998884,
                    -13.238682057889788
                  ],
                  [
                    597999.6721428996,
                    2353703.6143998886,
                    -13.238682057889788
                  ],
                  [
                    596999.6921428996,
                    2353703.6143998886,
                    -19.538682057889787
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:38:08+00:00",
            "end_time": "2013-09-15T10:21:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9390.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.10148201783093,
              21.610627539454804,
              -21.00763509487529
            ],
            [
              -158.10142621390705,
              21.619661590071882,
              -21.00763509487529
            ],
            [
              -158.09176480385779,
              21.619609103646123,
              44.092364905124704
            ],
            [
              -158.09182120822183,
              21.610575076813728,
              44.092364905124704
            ],
            [
              -158.10148201783093,
              21.610627539454804,
              -21.00763509487529
            ]
          ]
        ]
      },
      "bbox": [
        -158.101482,
        21.61057508,
        -21.00763509,
        -158.0917648,
        21.61966159,
        44.09236491
      ],
      "properties": {
        "datetime": "2013-09-22T23:52:26Z",
        "pc:count": 9457738,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593553.5412,
            "count": 9457738,
            "maximum": 593999.6468,
            "minimum": 592999.6268,
            "name": "X",
            "position": 0,
            "stddev": 288.1813261,
            "variance": 83048.47673
          },
          {
            "average": 2390446.003,
            "count": 9457738,
            "maximum": 2390998.489,
            "minimum": 2389998.469,
            "name": "Y",
            "position": 1,
            "stddev": 294.3069356,
            "variance": 86616.57236
          },
          {
            "average": -0.5375463252,
            "count": 9457738,
            "maximum": 44.09236491,
            "minimum": -21.00763509,
            "name": "Z",
            "position": 2,
            "stddev": 8.170811435,
            "variance": 66.76215951
          },
          {
            "average": 7.206663898,
            "count": 9457738,
            "maximum": 8916,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.28532751,
            "variance": 542.206477
          },
          {
            "average": 1.300001967,
            "count": 9457738,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7566346416,
            "variance": 0.5724959808
          },
          {
            "average": 1.594666082,
            "count": 9457738,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.18841294,
            "variance": 1.412325316
          },
          {
            "average": 1,
            "count": 9457738,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9457738,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 21.32952837,
            "count": 9457738,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.46782923,
            "variance": 155.4467657
          },
          {
            "average": 19.86918391,
            "count": 9457738,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.570787923,
            "variance": 12.75052639
          },
          {
            "average": 92.16234548,
            "count": 9457738,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.56572371,
            "variance": 4565.127021
          },
          {
            "average": 3.339620531,
            "count": 9457738,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.226180988,
            "variance": 4.955881792
          },
          {
            "average": 63289132.33,
            "count": 9457738,
            "maximum": 63929146.81,
            "minimum": 62800663.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 468938.0872,
            "variance": 219902929600.0
          },
          {
            "average": 0,
            "count": 9457738,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9457738,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9457738,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9457738,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9457738,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592999.6268,
          2389998.469,
          -21.00763509,
          593999.6468,
          2390998.489,
          44.09236491
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592999.6268044044,
                2389998.468998892,
                -21.00763509487529
              ],
              [
                592999.6268044044,
                2390998.488998892,
                -21.00763509487529
              ],
              [
                593999.6468044044,
                2390998.488998892,
                44.092364905124704
              ],
              [
                593999.6468044044,
                2389998.468998892,
                44.092364905124704
              ],
              [
                592999.6268044044,
                2389998.468998892,
                -21.00763509487529
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:52:26+00:00",
        "end_time": "2013-09-09T22:24:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9390.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9390.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9390.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9390.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.101482,
            21.61057508,
            -21.00763509,
            -158.0917648,
            21.61966159,
            44.09236491
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.10148201783093,
                  21.610627539454804,
                  -21.00763509487529
                ],
                [
                  -158.10142621390705,
                  21.619661590071882,
                  -21.00763509487529
                ],
                [
                  -158.09176480385779,
                  21.619609103646123,
                  44.092364905124704
                ],
                [
                  -158.09182120822183,
                  21.610575076813728,
                  44.092364905124704
                ],
                [
                  -158.10148201783093,
                  21.610627539454804,
                  -21.00763509487529
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9390.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9390.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:52:26Z",
            "pc:count": 9457738,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593553.5412,
                "count": 9457738,
                "maximum": 593999.6468,
                "minimum": 592999.6268,
                "name": "X",
                "position": 0,
                "stddev": 288.1813261,
                "variance": 83048.47673
              },
              {
                "average": 2390446.003,
                "count": 9457738,
                "maximum": 2390998.489,
                "minimum": 2389998.469,
                "name": "Y",
                "position": 1,
                "stddev": 294.3069356,
                "variance": 86616.57236
              },
              {
                "average": -0.5375463252,
                "count": 9457738,
                "maximum": 44.09236491,
                "minimum": -21.00763509,
                "name": "Z",
                "position": 2,
                "stddev": 8.170811435,
                "variance": 66.76215951
              },
              {
                "average": 7.206663898,
                "count": 9457738,
                "maximum": 8916,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.28532751,
                "variance": 542.206477
              },
              {
                "average": 1.300001967,
                "count": 9457738,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7566346416,
                "variance": 0.5724959808
              },
              {
                "average": 1.594666082,
                "count": 9457738,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.18841294,
                "variance": 1.412325316
              },
              {
                "average": 1,
                "count": 9457738,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9457738,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 21.32952837,
                "count": 9457738,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.46782923,
                "variance": 155.4467657
              },
              {
                "average": 19.86918391,
                "count": 9457738,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.570787923,
                "variance": 12.75052639
              },
              {
                "average": 92.16234548,
                "count": 9457738,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.56572371,
                "variance": 4565.127021
              },
              {
                "average": 3.339620531,
                "count": 9457738,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.226180988,
                "variance": 4.955881792
              },
              {
                "average": 63289132.33,
                "count": 9457738,
                "maximum": 63929146.81,
                "minimum": 62800663.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 468938.0872,
                "variance": 219902929600.0
              },
              {
                "average": 0,
                "count": 9457738,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9457738,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9457738,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9457738,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9457738,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592999.6268,
              2389998.469,
              -21.00763509,
              593999.6468,
              2390998.489,
              44.09236491
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592999.6268044044,
                    2389998.468998892,
                    -21.00763509487529
                  ],
                  [
                    592999.6268044044,
                    2390998.488998892,
                    -21.00763509487529
                  ],
                  [
                    593999.6468044044,
                    2390998.488998892,
                    44.092364905124704
                  ],
                  [
                    593999.6468044044,
                    2389998.468998892,
                    44.092364905124704
                  ],
                  [
                    592999.6268044044,
                    2389998.468998892,
                    -21.00763509487529
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:52:26+00:00",
            "end_time": "2013-09-09T22:24:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8468.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.18953112176453,
              21.412322213292562,
              -12.614530100174164
            ],
            [
              -158.18948126691225,
              21.421356519886942,
              -12.614530100174164
            ],
            [
              -158.1798329551269,
              21.421309547930978,
              -1.214530100174163
            ],
            [
              -158.17988340238264,
              21.412275262677962,
              -1.214530100174163
            ],
            [
              -158.18953112176453,
              21.412322213292562,
              -12.614530100174164
            ]
          ]
        ]
      },
      "bbox": [
        -158.1895311,
        21.41227526,
        -12.6145301,
        -158.179833,
        21.42135652,
        -1.2145301
      ],
      "properties": {
        "datetime": "2013-09-19T00:31:20Z",
        "pc:count": 8061073,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584538.2217,
            "count": 8061073,
            "maximum": 584999.642,
            "minimum": 583999.642,
            "name": "X",
            "position": 0,
            "stddev": 284.7665105,
            "variance": 81091.96552
          },
          {
            "average": 2368512.994,
            "count": 8061073,
            "maximum": 2368998.464,
            "minimum": 2367998.464,
            "name": "Y",
            "position": 1,
            "stddev": 287.1908916,
            "variance": 82478.60821
          },
          {
            "average": -6.288549089,
            "count": 8061073,
            "maximum": -1.2145301,
            "minimum": -12.6145301,
            "name": "Z",
            "position": 2,
            "stddev": 1.593353801,
            "variance": 2.538776336
          },
          {
            "average": 11.98658082,
            "count": 8061073,
            "maximum": 8991,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.32513933,
            "variance": 919.6140756
          },
          {
            "average": 1.014418552,
            "count": 8061073,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1203322652,
            "variance": 0.01447985406
          },
          {
            "average": 1.026431965,
            "count": 8061073,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1624684908,
            "variance": 0.02639601051
          },
          {
            "average": 1,
            "count": 8061073,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8061073,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 8061073,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.94665704,
            "count": 8061073,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.204906399,
            "variance": 10.27142503
          },
          {
            "average": 89.12929371,
            "count": 8061073,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 68.30279782,
            "variance": 4665.27219
          },
          {
            "average": 6.37663708,
            "count": 8061073,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.591380653,
            "variance": 12.898015
          },
          {
            "average": 63092382.9,
            "count": 8061073,
            "maximum": 63585880.85,
            "minimum": 62718988.74,
            "name": "GpsTime",
            "position": 12,
            "stddev": 412054.464,
            "variance": 169788881300.0
          },
          {
            "average": 0,
            "count": 8061073,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8061073,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8061073,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8061073,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8061073,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583999.642,
          2367998.464,
          -12.6145301,
          584999.642,
          2368998.464,
          -1.2145301
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583999.6419833401,
                2367998.464180856,
                -12.614530100174164
              ],
              [
                583999.6419833401,
                2368998.464180856,
                -12.614530100174164
              ],
              [
                584999.6419833401,
                2368998.464180856,
                -1.214530100174163
              ],
              [
                584999.6419833401,
                2367998.464180856,
                -1.214530100174163
              ],
              [
                583999.6419833401,
                2367998.464180856,
                -12.614530100174164
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:31:20+00:00",
        "end_time": "2013-09-08T23:43:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8468.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8468.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8468.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8468.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1895311,
            21.41227526,
            -12.6145301,
            -158.179833,
            21.42135652,
            -1.2145301
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.18953112176453,
                  21.412322213292562,
                  -12.614530100174164
                ],
                [
                  -158.18948126691225,
                  21.421356519886942,
                  -12.614530100174164
                ],
                [
                  -158.1798329551269,
                  21.421309547930978,
                  -1.214530100174163
                ],
                [
                  -158.17988340238264,
                  21.412275262677962,
                  -1.214530100174163
                ],
                [
                  -158.18953112176453,
                  21.412322213292562,
                  -12.614530100174164
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8468.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8468.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:31:20Z",
            "pc:count": 8061073,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584538.2217,
                "count": 8061073,
                "maximum": 584999.642,
                "minimum": 583999.642,
                "name": "X",
                "position": 0,
                "stddev": 284.7665105,
                "variance": 81091.96552
              },
              {
                "average": 2368512.994,
                "count": 8061073,
                "maximum": 2368998.464,
                "minimum": 2367998.464,
                "name": "Y",
                "position": 1,
                "stddev": 287.1908916,
                "variance": 82478.60821
              },
              {
                "average": -6.288549089,
                "count": 8061073,
                "maximum": -1.2145301,
                "minimum": -12.6145301,
                "name": "Z",
                "position": 2,
                "stddev": 1.593353801,
                "variance": 2.538776336
              },
              {
                "average": 11.98658082,
                "count": 8061073,
                "maximum": 8991,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.32513933,
                "variance": 919.6140756
              },
              {
                "average": 1.014418552,
                "count": 8061073,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1203322652,
                "variance": 0.01447985406
              },
              {
                "average": 1.026431965,
                "count": 8061073,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1624684908,
                "variance": 0.02639601051
              },
              {
                "average": 1,
                "count": 8061073,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8061073,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 8061073,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.94665704,
                "count": 8061073,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.204906399,
                "variance": 10.27142503
              },
              {
                "average": 89.12929371,
                "count": 8061073,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 68.30279782,
                "variance": 4665.27219
              },
              {
                "average": 6.37663708,
                "count": 8061073,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.591380653,
                "variance": 12.898015
              },
              {
                "average": 63092382.9,
                "count": 8061073,
                "maximum": 63585880.85,
                "minimum": 62718988.74,
                "name": "GpsTime",
                "position": 12,
                "stddev": 412054.464,
                "variance": 169788881300.0
              },
              {
                "average": 0,
                "count": 8061073,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8061073,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8061073,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8061073,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8061073,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583999.642,
              2367998.464,
              -12.6145301,
              584999.642,
              2368998.464,
              -1.2145301
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583999.6419833401,
                    2367998.464180856,
                    -12.614530100174164
                  ],
                  [
                    583999.6419833401,
                    2368998.464180856,
                    -12.614530100174164
                  ],
                  [
                    584999.6419833401,
                    2368998.464180856,
                    -1.214530100174163
                  ],
                  [
                    584999.6419833401,
                    2367998.464180856,
                    -1.214530100174163
                  ],
                  [
                    583999.6419833401,
                    2367998.464180856,
                    -12.614530100174164
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:31:20+00:00",
            "end_time": "2013-09-08T23:43:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9754.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0649147727714,
              21.285191653427717,
              -20.15168593142388
            ],
            [
              -158.06485764867196,
              21.294225777298614,
              -20.15168593142388
            ],
            [
              -158.0552179748568,
              21.294171933119742,
              -0.731685931423879
            ],
            [
              -158.05527568684255,
              21.285137835137053,
              -0.731685931423879
            ],
            [
              -158.0649147727714,
              21.285191653427717,
              -20.15168593142388
            ]
          ]
        ]
      },
      "bbox": [
        -158.0649148,
        21.28513784,
        -20.15168593,
        -158.055218,
        21.29422578,
        -0.7316859314
      ],
      "properties": {
        "datetime": "2013-09-17T12:19:02Z",
        "pc:count": 3518293,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 597502.2435,
            "count": 3518293,
            "maximum": 597999.6935,
            "minimum": 596999.6935,
            "name": "X",
            "position": 0,
            "stddev": 297.9387168,
            "variance": 88767.47898
          },
          {
            "average": 2354610.466,
            "count": 3518293,
            "maximum": 2354998.455,
            "minimum": 2353998.455,
            "name": "Y",
            "position": 1,
            "stddev": 264.1955616,
            "variance": 69799.29475
          },
          {
            "average": -9.110364435,
            "count": 3518293,
            "maximum": -0.7316859314,
            "minimum": -20.15168593,
            "name": "Z",
            "position": 2,
            "stddev": 4.992705413,
            "variance": 24.92710734
          },
          {
            "average": 34.54169366,
            "count": 3518293,
            "maximum": 1724,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 72.73376898,
            "variance": 5290.20115
          },
          {
            "average": 1.011678106,
            "count": 3518293,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1082521216,
            "variance": 0.01171852184
          },
          {
            "average": 1.013347666,
            "count": 3518293,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1157596795,
            "variance": 0.0134003034
          },
          {
            "average": 1,
            "count": 3518293,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3518293,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3518293,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3518293,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 118.1673186,
            "count": 3518293,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 82.04095024,
            "variance": 6730.717516
          },
          {
            "average": 5.969086429,
            "count": 3518293,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.202001872,
            "variance": 27.06082348
          },
          {
            "average": 63372700.23,
            "count": 3518293,
            "maximum": 63455542,
            "minimum": 63275712.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 68793.42198,
            "variance": 4732534908
          },
          {
            "average": 0,
            "count": 3518293,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3518293,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3518293,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3518293,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3518293,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          596999.6935,
          2353998.455,
          -20.15168593,
          597999.6935,
          2354998.455,
          -0.7316859314
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                596999.6935450495,
                2353998.455224463,
                -20.15168593142388
              ],
              [
                596999.6935450495,
                2354998.455224463,
                -20.15168593142388
              ],
              [
                597999.6935450495,
                2354998.455224463,
                -0.731685931423879
              ],
              [
                597999.6935450495,
                2353998.455224463,
                -0.731685931423879
              ],
              [
                596999.6935450495,
                2353998.455224463,
                -20.15168593142388
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:19:02+00:00",
        "end_time": "2013-09-15T10:21:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9754.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9754.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9754.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9754.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0649148,
            21.28513784,
            -20.15168593,
            -158.055218,
            21.29422578,
            -0.7316859314
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0649147727714,
                  21.285191653427717,
                  -20.15168593142388
                ],
                [
                  -158.06485764867196,
                  21.294225777298614,
                  -20.15168593142388
                ],
                [
                  -158.0552179748568,
                  21.294171933119742,
                  -0.731685931423879
                ],
                [
                  -158.05527568684255,
                  21.285137835137053,
                  -0.731685931423879
                ],
                [
                  -158.0649147727714,
                  21.285191653427717,
                  -20.15168593142388
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9754.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9754.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:19:02Z",
            "pc:count": 3518293,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 597502.2435,
                "count": 3518293,
                "maximum": 597999.6935,
                "minimum": 596999.6935,
                "name": "X",
                "position": 0,
                "stddev": 297.9387168,
                "variance": 88767.47898
              },
              {
                "average": 2354610.466,
                "count": 3518293,
                "maximum": 2354998.455,
                "minimum": 2353998.455,
                "name": "Y",
                "position": 1,
                "stddev": 264.1955616,
                "variance": 69799.29475
              },
              {
                "average": -9.110364435,
                "count": 3518293,
                "maximum": -0.7316859314,
                "minimum": -20.15168593,
                "name": "Z",
                "position": 2,
                "stddev": 4.992705413,
                "variance": 24.92710734
              },
              {
                "average": 34.54169366,
                "count": 3518293,
                "maximum": 1724,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 72.73376898,
                "variance": 5290.20115
              },
              {
                "average": 1.011678106,
                "count": 3518293,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1082521216,
                "variance": 0.01171852184
              },
              {
                "average": 1.013347666,
                "count": 3518293,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1157596795,
                "variance": 0.0134003034
              },
              {
                "average": 1,
                "count": 3518293,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3518293,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3518293,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3518293,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 118.1673186,
                "count": 3518293,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 82.04095024,
                "variance": 6730.717516
              },
              {
                "average": 5.969086429,
                "count": 3518293,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.202001872,
                "variance": 27.06082348
              },
              {
                "average": 63372700.23,
                "count": 3518293,
                "maximum": 63455542,
                "minimum": 63275712.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 68793.42198,
                "variance": 4732534908
              },
              {
                "average": 0,
                "count": 3518293,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3518293,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3518293,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3518293,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3518293,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              596999.6935,
              2353998.455,
              -20.15168593,
              597999.6935,
              2354998.455,
              -0.7316859314
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    596999.6935450495,
                    2353998.455224463,
                    -20.15168593142388
                  ],
                  [
                    596999.6935450495,
                    2354998.455224463,
                    -20.15168593142388
                  ],
                  [
                    597999.6935450495,
                    2354998.455224463,
                    -0.731685931423879
                  ],
                  [
                    597999.6935450495,
                    2353998.455224463,
                    -0.731685931423879
                  ],
                  [
                    596999.6935450495,
                    2353998.455224463,
                    -20.15168593142388
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:19:02+00:00",
            "end_time": "2013-09-15T10:21:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfj0299.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0139853077158,
              21.691437752579507,
              -3.80975092504643
            ],
            [
              -158.0139238124255,
              21.700471488281636,
              -3.80975092504643
            ],
            [
              -158.00425728083894,
              21.700413712603247,
              45.07024907495357
            ],
            [
              -158.00431937960784,
              21.691380003094444,
              45.07024907495357
            ],
            [
              -158.0139853077158,
              21.691437752579507,
              -3.80975092504643
            ]
          ]
        ]
      },
      "bbox": [
        -158.0139853,
        21.69138,
        -3.809750925,
        -158.0042573,
        21.70047149,
        45.07024907
      ],
      "properties": {
        "datetime": "2013-09-23T00:46:59Z",
        "pc:count": 7781832,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 602502.0305,
            "count": 7781832,
            "maximum": 602999.6881,
            "minimum": 601999.6681,
            "name": "X",
            "position": 0,
            "stddev": 289.2192097,
            "variance": 83647.75124
          },
          {
            "average": 2399610.309,
            "count": 7781832,
            "maximum": 2399998.505,
            "minimum": 2398998.485,
            "name": "Y",
            "position": 1,
            "stddev": 246.3857862,
            "variance": 60705.95565
          },
          {
            "average": 9.384748211,
            "count": 7781832,
            "maximum": 45.07024907,
            "minimum": -3.809750925,
            "name": "Z",
            "position": 2,
            "stddev": 8.381778612,
            "variance": 70.2542127
          },
          {
            "average": 9.153756725,
            "count": 7781832,
            "maximum": 7598,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.4383855,
            "variance": 597.2346857
          },
          {
            "average": 1.931735869,
            "count": 7781832,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.154129158,
            "variance": 1.332014114
          },
          {
            "average": 2.755606392,
            "count": 7781832,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.594289091,
            "variance": 2.541757705
          },
          {
            "average": 1,
            "count": 7781832,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7781832,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.411524947,
            "count": 7781832,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.09183569,
            "variance": 101.8451476
          },
          {
            "average": 20.35344376,
            "count": 7781832,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.982246185,
            "variance": 8.893792308
          },
          {
            "average": 92.02749044,
            "count": 7781832,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.62617691,
            "variance": 4439.04745
          },
          {
            "average": 13.03386169,
            "count": 7781832,
            "maximum": 15,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.800899549,
            "variance": 3.243239186
          },
          {
            "average": 63820098.81,
            "count": 7781832,
            "maximum": 63932419.66,
            "minimum": 62798446.61,
            "name": "GpsTime",
            "position": 12,
            "stddev": 337954.509,
            "variance": 114213250100.0
          },
          {
            "average": 0,
            "count": 7781832,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7781832,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7781832,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7781832,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7781832,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          601999.6681,
          2398998.485,
          -3.809750925,
          602999.6881,
          2399998.505,
          45.07024907
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                601999.6680831993,
                2398998.484886015,
                -3.80975092504643
              ],
              [
                601999.6680831993,
                2399998.5048860144,
                -3.80975092504643
              ],
              [
                602999.6880831993,
                2399998.5048860144,
                45.07024907495357
              ],
              [
                602999.6880831993,
                2398998.484886015,
                45.07024907495357
              ],
              [
                601999.6680831993,
                2398998.484886015,
                -3.80975092504643
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:46:59+00:00",
        "end_time": "2013-09-09T21:47:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfj0299.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfj0299.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfj0299.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0299.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0139853,
            21.69138,
            -3.809750925,
            -158.0042573,
            21.70047149,
            45.07024907
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0139853077158,
                  21.691437752579507,
                  -3.80975092504643
                ],
                [
                  -158.0139238124255,
                  21.700471488281636,
                  -3.80975092504643
                ],
                [
                  -158.00425728083894,
                  21.700413712603247,
                  45.07024907495357
                ],
                [
                  -158.00431937960784,
                  21.691380003094444,
                  45.07024907495357
                ],
                [
                  -158.0139853077158,
                  21.691437752579507,
                  -3.80975092504643
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfj0299.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfj0299.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:46:59Z",
            "pc:count": 7781832,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 602502.0305,
                "count": 7781832,
                "maximum": 602999.6881,
                "minimum": 601999.6681,
                "name": "X",
                "position": 0,
                "stddev": 289.2192097,
                "variance": 83647.75124
              },
              {
                "average": 2399610.309,
                "count": 7781832,
                "maximum": 2399998.505,
                "minimum": 2398998.485,
                "name": "Y",
                "position": 1,
                "stddev": 246.3857862,
                "variance": 60705.95565
              },
              {
                "average": 9.384748211,
                "count": 7781832,
                "maximum": 45.07024907,
                "minimum": -3.809750925,
                "name": "Z",
                "position": 2,
                "stddev": 8.381778612,
                "variance": 70.2542127
              },
              {
                "average": 9.153756725,
                "count": 7781832,
                "maximum": 7598,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.4383855,
                "variance": 597.2346857
              },
              {
                "average": 1.931735869,
                "count": 7781832,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.154129158,
                "variance": 1.332014114
              },
              {
                "average": 2.755606392,
                "count": 7781832,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.594289091,
                "variance": 2.541757705
              },
              {
                "average": 1,
                "count": 7781832,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7781832,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.411524947,
                "count": 7781832,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.09183569,
                "variance": 101.8451476
              },
              {
                "average": 20.35344376,
                "count": 7781832,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.982246185,
                "variance": 8.893792308
              },
              {
                "average": 92.02749044,
                "count": 7781832,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.62617691,
                "variance": 4439.04745
              },
              {
                "average": 13.03386169,
                "count": 7781832,
                "maximum": 15,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.800899549,
                "variance": 3.243239186
              },
              {
                "average": 63820098.81,
                "count": 7781832,
                "maximum": 63932419.66,
                "minimum": 62798446.61,
                "name": "GpsTime",
                "position": 12,
                "stddev": 337954.509,
                "variance": 114213250100.0
              },
              {
                "average": 0,
                "count": 7781832,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7781832,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7781832,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7781832,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7781832,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              601999.6681,
              2398998.485,
              -3.809750925,
              602999.6881,
              2399998.505,
              45.07024907
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    601999.6680831993,
                    2398998.484886015,
                    -3.80975092504643
                  ],
                  [
                    601999.6680831993,
                    2399998.5048860144,
                    -3.80975092504643
                  ],
                  [
                    602999.6880831993,
                    2399998.5048860144,
                    45.07024907495357
                  ],
                  [
                    602999.6880831993,
                    2398998.484886015,
                    45.07024907495357
                  ],
                  [
                    601999.6680831993,
                    2398998.484886015,
                    -3.80975092504643
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:46:59+00:00",
            "end_time": "2013-09-09T21:47:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0657.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.97797640039087,
              21.31178908296246,
              -21.67570181161672
            ],
            [
              -157.977913875739,
              21.32082294539669,
              -21.67570181161672
            ],
            [
              -157.96827274561718,
              21.320764101629102,
              31.22429818838328
            ],
            [
              -157.968335865061,
              21.311730264439607,
              31.22429818838328
            ],
            [
              -157.97797640039087,
              21.31178908296246,
              -21.67570181161672
            ]
          ]
        ]
      },
      "bbox": [
        -157.9779764,
        21.31173026,
        -21.67570181,
        -157.9682727,
        21.32082295,
        31.22429819
      ],
      "properties": {
        "datetime": "2013-09-16T09:55:01Z",
        "pc:count": 4044550,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 606454.3588,
            "count": 4044550,
            "maximum": 606999.725,
            "minimum": 605999.725,
            "name": "X",
            "position": 0,
            "stddev": 290.3909606,
            "variance": 84326.90998
          },
          {
            "average": 2357510.083,
            "count": 4044550,
            "maximum": 2357998.444,
            "minimum": 2356998.444,
            "name": "Y",
            "position": 1,
            "stddev": 300.1611692,
            "variance": 90096.72748
          },
          {
            "average": -0.5584087926,
            "count": 4044550,
            "maximum": 31.22429819,
            "minimum": -21.67570181,
            "name": "Z",
            "position": 2,
            "stddev": 4.142851096,
            "variance": 17.1632152
          },
          {
            "average": 10.75094757,
            "count": 4044550,
            "maximum": 3491,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.07764467,
            "variance": 532.5776835
          },
          {
            "average": 1.085695318,
            "count": 4044550,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3608812947,
            "variance": 0.1302353089
          },
          {
            "average": 1.15833356,
            "count": 4044550,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5339818668,
            "variance": 0.2851366341
          },
          {
            "average": 1,
            "count": 4044550,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4044550,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 21.66266086,
            "count": 4044550,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.23686398,
            "variance": 149.74084
          },
          {
            "average": 0,
            "count": 4044550,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 90.74327676,
            "count": 4044550,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.33772572,
            "variance": 4807.720208
          },
          {
            "average": 4.42995018,
            "count": 4044550,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.660279954,
            "variance": 7.077089432
          },
          {
            "average": 63317552.63,
            "count": 4044550,
            "maximum": 63360501.58,
            "minimum": 63275219.16,
            "name": "GpsTime",
            "position": 12,
            "stddev": 39439.38074,
            "variance": 1555464753
          },
          {
            "average": 0,
            "count": 4044550,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4044550,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4044550,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4044550,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4044550,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          605999.725,
          2356998.444,
          -21.67570181,
          606999.725,
          2357998.444,
          31.22429819
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                605999.7250283802,
                2356998.444349115,
                -21.67570181161672
              ],
              [
                605999.7250283802,
                2357998.444349115,
                -21.67570181161672
              ],
              [
                606999.7250283802,
                2357998.444349115,
                31.22429818838328
              ],
              [
                606999.7250283802,
                2356998.444349115,
                31.22429818838328
              ],
              [
                605999.7250283802,
                2356998.444349115,
                -21.67570181161672
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:55:01+00:00",
        "end_time": "2013-09-15T10:13:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0657.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0657.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0657.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0657.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9779764,
            21.31173026,
            -21.67570181,
            -157.9682727,
            21.32082295,
            31.22429819
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.97797640039087,
                  21.31178908296246,
                  -21.67570181161672
                ],
                [
                  -157.977913875739,
                  21.32082294539669,
                  -21.67570181161672
                ],
                [
                  -157.96827274561718,
                  21.320764101629102,
                  31.22429818838328
                ],
                [
                  -157.968335865061,
                  21.311730264439607,
                  31.22429818838328
                ],
                [
                  -157.97797640039087,
                  21.31178908296246,
                  -21.67570181161672
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0657.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0657.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:55:01Z",
            "pc:count": 4044550,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 606454.3588,
                "count": 4044550,
                "maximum": 606999.725,
                "minimum": 605999.725,
                "name": "X",
                "position": 0,
                "stddev": 290.3909606,
                "variance": 84326.90998
              },
              {
                "average": 2357510.083,
                "count": 4044550,
                "maximum": 2357998.444,
                "minimum": 2356998.444,
                "name": "Y",
                "position": 1,
                "stddev": 300.1611692,
                "variance": 90096.72748
              },
              {
                "average": -0.5584087926,
                "count": 4044550,
                "maximum": 31.22429819,
                "minimum": -21.67570181,
                "name": "Z",
                "position": 2,
                "stddev": 4.142851096,
                "variance": 17.1632152
              },
              {
                "average": 10.75094757,
                "count": 4044550,
                "maximum": 3491,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.07764467,
                "variance": 532.5776835
              },
              {
                "average": 1.085695318,
                "count": 4044550,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3608812947,
                "variance": 0.1302353089
              },
              {
                "average": 1.15833356,
                "count": 4044550,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5339818668,
                "variance": 0.2851366341
              },
              {
                "average": 1,
                "count": 4044550,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4044550,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 21.66266086,
                "count": 4044550,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.23686398,
                "variance": 149.74084
              },
              {
                "average": 0,
                "count": 4044550,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 90.74327676,
                "count": 4044550,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.33772572,
                "variance": 4807.720208
              },
              {
                "average": 4.42995018,
                "count": 4044550,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.660279954,
                "variance": 7.077089432
              },
              {
                "average": 63317552.63,
                "count": 4044550,
                "maximum": 63360501.58,
                "minimum": 63275219.16,
                "name": "GpsTime",
                "position": 12,
                "stddev": 39439.38074,
                "variance": 1555464753
              },
              {
                "average": 0,
                "count": 4044550,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4044550,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4044550,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4044550,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4044550,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              605999.725,
              2356998.444,
              -21.67570181,
              606999.725,
              2357998.444,
              31.22429819
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    605999.7250283802,
                    2356998.444349115,
                    -21.67570181161672
                  ],
                  [
                    605999.7250283802,
                    2357998.444349115,
                    -21.67570181161672
                  ],
                  [
                    606999.7250283802,
                    2357998.444349115,
                    31.22429818838328
                  ],
                  [
                    606999.7250283802,
                    2356998.444349115,
                    31.22429818838328
                  ],
                  [
                    605999.7250283802,
                    2356998.444349115,
                    -21.67570181161672
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:55:01+00:00",
            "end_time": "2013-09-15T10:13:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8963.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14155630729465,
              21.366910695799024,
              -9.94369841241189
            ],
            [
              -158.14150365422373,
              21.375945117458127,
              -9.94369841241189
            ],
            [
              -158.1319689627422,
              21.37589606182861,
              175.5363015875881
            ],
            [
              -158.13202220137902,
              21.366861662579165,
              175.5363015875881
            ],
            [
              -158.14155630729465,
              21.366910695799024,
              -9.94369841241189
            ]
          ]
        ]
      },
      "bbox": [
        -158.1415563,
        21.36686166,
        -9.943698412,
        -158.131969,
        21.37594512,
        175.5363016
      ],
      "properties": {
        "datetime": "2013-09-10T23:41:29Z",
        "pc:count": 8659017,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 589404.0154,
            "count": 8659017,
            "maximum": 589988.1913,
            "minimum": 588999.6513,
            "name": "X",
            "position": 0,
            "stddev": 238.410729,
            "variance": 56839.67569
          },
          {
            "average": 2363435.887,
            "count": 8659017,
            "maximum": 2363998.474,
            "minimum": 2362998.454,
            "name": "Y",
            "position": 1,
            "stddev": 277.5979591,
            "variance": 77060.62692
          },
          {
            "average": 12.92647452,
            "count": 8659017,
            "maximum": 175.5363016,
            "minimum": -9.943698412,
            "name": "Z",
            "position": 2,
            "stddev": 22.08409512,
            "variance": 487.7072575
          },
          {
            "average": 20.49275512,
            "count": 8659017,
            "maximum": 8674,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 49.85827396,
            "variance": 2485.847482
          },
          {
            "average": 1.49394452,
            "count": 8659017,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9350265845,
            "variance": 0.8742747137
          },
          {
            "average": 1.986832455,
            "count": 8659017,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.438424233,
            "variance": 2.069064275
          },
          {
            "average": 1,
            "count": 8659017,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8659017,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.676480252,
            "count": 8659017,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.37103627,
            "variance": 153.0425384
          },
          {
            "average": 20.18006254,
            "count": 8659017,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.031261418,
            "variance": 9.188545785
          },
          {
            "average": 90.22872042,
            "count": 8659017,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.80592019,
            "variance": 4463.030973
          },
          {
            "average": 2.028267181,
            "count": 8659017,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.053558327,
            "variance": 1.109985148
          },
          {
            "average": 62798849.04,
            "count": 8659017,
            "maximum": 62891689.88,
            "minimum": 62715636.77,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86525.15746,
            "variance": 7486602874
          },
          {
            "average": 0,
            "count": 8659017,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8659017,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8659017,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8659017,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8659017,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588999.6513,
          2362998.454,
          -9.943698412,
          589988.1913,
          2363998.474,
          175.5363016
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588999.6513243627,
                2362998.4536041757,
                -9.94369841241189
              ],
              [
                588999.6513243627,
                2363998.4736041753,
                -9.94369841241189
              ],
              [
                589988.1913243628,
                2363998.4736041753,
                175.5363015875881
              ],
              [
                589988.1913243628,
                2362998.4536041757,
                175.5363015875881
              ],
              [
                588999.6513243627,
                2362998.4536041757,
                -9.94369841241189
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:41:29+00:00",
        "end_time": "2013-09-08T22:47:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8963.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8963.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8963.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8963.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1415563,
            21.36686166,
            -9.943698412,
            -158.131969,
            21.37594512,
            175.5363016
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14155630729465,
                  21.366910695799024,
                  -9.94369841241189
                ],
                [
                  -158.14150365422373,
                  21.375945117458127,
                  -9.94369841241189
                ],
                [
                  -158.1319689627422,
                  21.37589606182861,
                  175.5363015875881
                ],
                [
                  -158.13202220137902,
                  21.366861662579165,
                  175.5363015875881
                ],
                [
                  -158.14155630729465,
                  21.366910695799024,
                  -9.94369841241189
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8963.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8963.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:41:29Z",
            "pc:count": 8659017,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 589404.0154,
                "count": 8659017,
                "maximum": 589988.1913,
                "minimum": 588999.6513,
                "name": "X",
                "position": 0,
                "stddev": 238.410729,
                "variance": 56839.67569
              },
              {
                "average": 2363435.887,
                "count": 8659017,
                "maximum": 2363998.474,
                "minimum": 2362998.454,
                "name": "Y",
                "position": 1,
                "stddev": 277.5979591,
                "variance": 77060.62692
              },
              {
                "average": 12.92647452,
                "count": 8659017,
                "maximum": 175.5363016,
                "minimum": -9.943698412,
                "name": "Z",
                "position": 2,
                "stddev": 22.08409512,
                "variance": 487.7072575
              },
              {
                "average": 20.49275512,
                "count": 8659017,
                "maximum": 8674,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 49.85827396,
                "variance": 2485.847482
              },
              {
                "average": 1.49394452,
                "count": 8659017,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9350265845,
                "variance": 0.8742747137
              },
              {
                "average": 1.986832455,
                "count": 8659017,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.438424233,
                "variance": 2.069064275
              },
              {
                "average": 1,
                "count": 8659017,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8659017,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.676480252,
                "count": 8659017,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.37103627,
                "variance": 153.0425384
              },
              {
                "average": 20.18006254,
                "count": 8659017,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.031261418,
                "variance": 9.188545785
              },
              {
                "average": 90.22872042,
                "count": 8659017,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.80592019,
                "variance": 4463.030973
              },
              {
                "average": 2.028267181,
                "count": 8659017,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.053558327,
                "variance": 1.109985148
              },
              {
                "average": 62798849.04,
                "count": 8659017,
                "maximum": 62891689.88,
                "minimum": 62715636.77,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86525.15746,
                "variance": 7486602874
              },
              {
                "average": 0,
                "count": 8659017,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8659017,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8659017,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8659017,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8659017,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588999.6513,
              2362998.454,
              -9.943698412,
              589988.1913,
              2363998.474,
              175.5363016
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588999.6513243627,
                    2362998.4536041757,
                    -9.94369841241189
                  ],
                  [
                    588999.6513243627,
                    2363998.4736041753,
                    -9.94369841241189
                  ],
                  [
                    589988.1913243628,
                    2363998.4736041753,
                    175.5363015875881
                  ],
                  [
                    589988.1913243628,
                    2362998.4536041757,
                    175.5363015875881
                  ],
                  [
                    588999.6513243627,
                    2362998.4536041757,
                    -9.94369841241189
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:41:29+00:00",
            "end_time": "2013-09-08T22:47:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9287.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11130805624845,
              21.583577779171467,
              -2.536791157729095
            ],
            [
              -158.11125292465567,
              21.592611706932978,
              -2.536791157729095
            ],
            [
              -158.10159347181465,
              21.59255985489658,
              39.14320884227091
            ],
            [
              -158.10164920255525,
              21.583525950673444,
              39.14320884227091
            ],
            [
              -158.11130805624845,
              21.583577779171467,
              -2.536791157729095
            ]
          ]
        ]
      },
      "bbox": [
        -158.1113081,
        21.58352595,
        -2.536791158,
        -158.1015935,
        21.59261171,
        39.14320884
      ],
      "properties": {
        "datetime": "2013-09-22T23:59:16Z",
        "pc:count": 9294834,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592392.6245,
            "count": 9294834,
            "maximum": 592999.635,
            "minimum": 591999.635,
            "name": "X",
            "position": 0,
            "stddev": 242.5465351,
            "variance": 58828.8217
          },
          {
            "average": 2387638.956,
            "count": 9294834,
            "maximum": 2387998.479,
            "minimum": 2386998.479,
            "name": "Y",
            "position": 1,
            "stddev": 240.8632924,
            "variance": 58015.12564
          },
          {
            "average": 6.591722167,
            "count": 9294834,
            "maximum": 39.14320884,
            "minimum": -2.536791158,
            "name": "Z",
            "position": 2,
            "stddev": 5.067274582,
            "variance": 25.67727169
          },
          {
            "average": 15.34033421,
            "count": 9294834,
            "maximum": 1191,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 26.67845318,
            "variance": 711.739864
          },
          {
            "average": 1.510445372,
            "count": 9294834,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8907196427,
            "variance": 0.7933814819
          },
          {
            "average": 2.021804047,
            "count": 9294834,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.318494357,
            "variance": 1.73842737
          },
          {
            "average": 1,
            "count": 9294834,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9294834,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.244451488,
            "count": 9294834,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.99932416,
            "variance": 3.997297098
          },
          {
            "average": 20.38195867,
            "count": 9294834,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.182434242,
            "variance": 17.49275618
          },
          {
            "average": 91.36803896,
            "count": 9294834,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.94053731,
            "variance": 4348.15446
          },
          {
            "average": 4.734383314,
            "count": 9294834,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.528815871,
            "variance": 6.394909709
          },
          {
            "average": 63333701.21,
            "count": 9294834,
            "maximum": 63929556.9,
            "minimum": 62867708.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 392598.2057,
            "variance": 154133351100.0
          },
          {
            "average": 0,
            "count": 9294834,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9294834,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9294834,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9294834,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9294834,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.635,
          2386998.479,
          -2.536791158,
          592999.635,
          2387998.479,
          39.14320884
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.6349815683,
                2386998.478965597,
                -2.536791157729095
              ],
              [
                591999.6349815683,
                2387998.478965597,
                -2.536791157729095
              ],
              [
                592999.6349815683,
                2387998.478965597,
                39.14320884227091
              ],
              [
                592999.6349815683,
                2386998.478965597,
                39.14320884227091
              ],
              [
                591999.6349815683,
                2386998.478965597,
                -2.536791157729095
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:59:16+00:00",
        "end_time": "2013-09-10T17:01:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9287.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9287.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9287.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9287.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1113081,
            21.58352595,
            -2.536791158,
            -158.1015935,
            21.59261171,
            39.14320884
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11130805624845,
                  21.583577779171467,
                  -2.536791157729095
                ],
                [
                  -158.11125292465567,
                  21.592611706932978,
                  -2.536791157729095
                ],
                [
                  -158.10159347181465,
                  21.59255985489658,
                  39.14320884227091
                ],
                [
                  -158.10164920255525,
                  21.583525950673444,
                  39.14320884227091
                ],
                [
                  -158.11130805624845,
                  21.583577779171467,
                  -2.536791157729095
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9287.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9287.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:59:16Z",
            "pc:count": 9294834,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592392.6245,
                "count": 9294834,
                "maximum": 592999.635,
                "minimum": 591999.635,
                "name": "X",
                "position": 0,
                "stddev": 242.5465351,
                "variance": 58828.8217
              },
              {
                "average": 2387638.956,
                "count": 9294834,
                "maximum": 2387998.479,
                "minimum": 2386998.479,
                "name": "Y",
                "position": 1,
                "stddev": 240.8632924,
                "variance": 58015.12564
              },
              {
                "average": 6.591722167,
                "count": 9294834,
                "maximum": 39.14320884,
                "minimum": -2.536791158,
                "name": "Z",
                "position": 2,
                "stddev": 5.067274582,
                "variance": 25.67727169
              },
              {
                "average": 15.34033421,
                "count": 9294834,
                "maximum": 1191,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 26.67845318,
                "variance": 711.739864
              },
              {
                "average": 1.510445372,
                "count": 9294834,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8907196427,
                "variance": 0.7933814819
              },
              {
                "average": 2.021804047,
                "count": 9294834,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.318494357,
                "variance": 1.73842737
              },
              {
                "average": 1,
                "count": 9294834,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9294834,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.244451488,
                "count": 9294834,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.99932416,
                "variance": 3.997297098
              },
              {
                "average": 20.38195867,
                "count": 9294834,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.182434242,
                "variance": 17.49275618
              },
              {
                "average": 91.36803896,
                "count": 9294834,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.94053731,
                "variance": 4348.15446
              },
              {
                "average": 4.734383314,
                "count": 9294834,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.528815871,
                "variance": 6.394909709
              },
              {
                "average": 63333701.21,
                "count": 9294834,
                "maximum": 63929556.9,
                "minimum": 62867708.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 392598.2057,
                "variance": 154133351100.0
              },
              {
                "average": 0,
                "count": 9294834,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9294834,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9294834,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9294834,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9294834,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.635,
              2386998.479,
              -2.536791158,
              592999.635,
              2387998.479,
              39.14320884
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.6349815683,
                    2386998.478965597,
                    -2.536791157729095
                  ],
                  [
                    591999.6349815683,
                    2387998.478965597,
                    -2.536791157729095
                  ],
                  [
                    592999.6349815683,
                    2387998.478965597,
                    39.14320884227091
                  ],
                  [
                    592999.6349815683,
                    2386998.478965597,
                    39.14320884227091
                  ],
                  [
                    591999.6349815683,
                    2386998.478965597,
                    -2.536791157729095
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:59:16+00:00",
            "end_time": "2013-09-10T17:01:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9856.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0551602171051,
              21.303205980131143,
              0.337961568419054
            ],
            [
              -158.05510809066922,
              21.31135742906309,
              0.337961568419054
            ],
            [
              -158.04546732344622,
              21.3113029885478,
              37.85796156841906
            ],
            [
              -158.0455199818775,
              21.3031515620302,
              37.85796156841906
            ],
            [
              -158.0551602171051,
              21.303205980131143,
              0.337961568419054
            ]
          ]
        ]
      },
      "bbox": [
        -158.0551602,
        21.30315156,
        0.3379615684,
        -158.0454673,
        21.31135743,
        37.85796157
      ],
      "properties": {
        "datetime": "2013-09-16T10:42:35Z",
        "pc:count": 5216114,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 598500.0654,
            "count": 5216114,
            "maximum": 598999.6952,
            "minimum": 597999.6952,
            "name": "X",
            "position": 0,
            "stddev": 289.363231,
            "variance": 83731.07946
          },
          {
            "average": 2356218.304,
            "count": 5216114,
            "maximum": 2356900.751,
            "minimum": 2355998.451,
            "name": "Y",
            "position": 1,
            "stddev": 137.0577256,
            "variance": 18784.82016
          },
          {
            "average": 8.655325054,
            "count": 5216114,
            "maximum": 37.85796157,
            "minimum": 0.3379615684,
            "name": "Z",
            "position": 2,
            "stddev": 4.696689435,
            "variance": 22.05889165
          },
          {
            "average": 6.155237405,
            "count": 5216114,
            "maximum": 811,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 13.35801117,
            "variance": 178.4364623
          },
          {
            "average": 2.210535851,
            "count": 5216114,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.140763445,
            "variance": 1.301341238
          },
          {
            "average": 3.320851692,
            "count": 5216114,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.279392692,
            "variance": 1.636845661
          },
          {
            "average": 1,
            "count": 5216114,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5216114,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.122036252,
            "count": 5216114,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3277701884,
            "variance": 0.1074332964
          },
          {
            "average": 0,
            "count": 5216114,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.40853843,
            "count": 5216114,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.41465528,
            "variance": 4680.565057
          },
          {
            "average": 4.787886154,
            "count": 5216114,
            "maximum": 7,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.025811273,
            "variance": 1.052288768
          },
          {
            "average": 63361076.25,
            "count": 5216114,
            "maximum": 63363355.37,
            "minimum": 63359342.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1009.732583,
            "variance": 1019559.888
          },
          {
            "average": 0,
            "count": 5216114,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5216114,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5216114,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5216114,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5216114,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          597999.6952,
          2355998.451,
          0.3379615684,
          598999.6952,
          2356900.751,
          37.85796157
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                597999.695202837,
                2355998.450704189,
                0.337961568419054
              ],
              [
                597999.695202837,
                2356900.750704189,
                0.337961568419054
              ],
              [
                598999.695202837,
                2356900.750704189,
                37.85796156841906
              ],
              [
                598999.695202837,
                2355998.450704189,
                37.85796156841906
              ],
              [
                597999.695202837,
                2355998.450704189,
                0.337961568419054
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:42:35+00:00",
        "end_time": "2013-09-16T09:35:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9856.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9856.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9856.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9856.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0551602,
            21.30315156,
            0.3379615684,
            -158.0454673,
            21.31135743,
            37.85796157
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0551602171051,
                  21.303205980131143,
                  0.337961568419054
                ],
                [
                  -158.05510809066922,
                  21.31135742906309,
                  0.337961568419054
                ],
                [
                  -158.04546732344622,
                  21.3113029885478,
                  37.85796156841906
                ],
                [
                  -158.0455199818775,
                  21.3031515620302,
                  37.85796156841906
                ],
                [
                  -158.0551602171051,
                  21.303205980131143,
                  0.337961568419054
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9856.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9856.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:42:35Z",
            "pc:count": 5216114,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 598500.0654,
                "count": 5216114,
                "maximum": 598999.6952,
                "minimum": 597999.6952,
                "name": "X",
                "position": 0,
                "stddev": 289.363231,
                "variance": 83731.07946
              },
              {
                "average": 2356218.304,
                "count": 5216114,
                "maximum": 2356900.751,
                "minimum": 2355998.451,
                "name": "Y",
                "position": 1,
                "stddev": 137.0577256,
                "variance": 18784.82016
              },
              {
                "average": 8.655325054,
                "count": 5216114,
                "maximum": 37.85796157,
                "minimum": 0.3379615684,
                "name": "Z",
                "position": 2,
                "stddev": 4.696689435,
                "variance": 22.05889165
              },
              {
                "average": 6.155237405,
                "count": 5216114,
                "maximum": 811,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 13.35801117,
                "variance": 178.4364623
              },
              {
                "average": 2.210535851,
                "count": 5216114,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.140763445,
                "variance": 1.301341238
              },
              {
                "average": 3.320851692,
                "count": 5216114,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.279392692,
                "variance": 1.636845661
              },
              {
                "average": 1,
                "count": 5216114,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5216114,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.122036252,
                "count": 5216114,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3277701884,
                "variance": 0.1074332964
              },
              {
                "average": 0,
                "count": 5216114,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.40853843,
                "count": 5216114,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.41465528,
                "variance": 4680.565057
              },
              {
                "average": 4.787886154,
                "count": 5216114,
                "maximum": 7,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.025811273,
                "variance": 1.052288768
              },
              {
                "average": 63361076.25,
                "count": 5216114,
                "maximum": 63363355.37,
                "minimum": 63359342.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1009.732583,
                "variance": 1019559.888
              },
              {
                "average": 0,
                "count": 5216114,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5216114,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5216114,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5216114,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5216114,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              597999.6952,
              2355998.451,
              0.3379615684,
              598999.6952,
              2356900.751,
              37.85796157
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    597999.695202837,
                    2355998.450704189,
                    0.337961568419054
                  ],
                  [
                    597999.695202837,
                    2356900.750704189,
                    0.337961568419054
                  ],
                  [
                    598999.695202837,
                    2356900.750704189,
                    37.85796156841906
                  ],
                  [
                    598999.695202837,
                    2355998.450704189,
                    37.85796156841906
                  ],
                  [
                    597999.695202837,
                    2355998.450704189,
                    0.337961568419054
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:42:35+00:00",
            "end_time": "2013-09-16T09:35:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0758.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.96827266095318,
              21.320764128518324,
              -21.72438078259314
            ],
            [
              -157.96820947421224,
              21.329797957306983,
              -21.72438078259314
            ],
            [
              -157.95856774921592,
              21.329738515037707,
              33.45561921740686
            ],
            [
              -157.95863153107587,
              21.32070471236598,
              33.45561921740686
            ],
            [
              -157.96827266095318,
              21.320764128518324,
              -21.72438078259314
            ]
          ]
        ]
      },
      "bbox": [
        -157.9682727,
        21.32070471,
        -21.72438078,
        -157.9585677,
        21.32979796,
        33.45561922
      ],
      "properties": {
        "datetime": "2013-09-15T10:45:50Z",
        "pc:count": 4844982,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 607674.2741,
            "count": 4844982,
            "maximum": 607999.7338,
            "minimum": 606999.7338,
            "name": "X",
            "position": 0,
            "stddev": 220.3790755,
            "variance": 48566.93693
          },
          {
            "average": 2358507.962,
            "count": 4844982,
            "maximum": 2358998.447,
            "minimum": 2357998.447,
            "name": "Y",
            "position": 1,
            "stddev": 242.159043,
            "variance": 58641.0021
          },
          {
            "average": 3.817099363,
            "count": 4844982,
            "maximum": 33.45561922,
            "minimum": -21.72438078,
            "name": "Z",
            "position": 2,
            "stddev": 4.771951973,
            "variance": 22.77152563
          },
          {
            "average": 18.58939146,
            "count": 4844982,
            "maximum": 876,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 31.81737137,
            "variance": 1012.345121
          },
          {
            "average": 1.463046715,
            "count": 4844982,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8380109135,
            "variance": 0.7022622912
          },
          {
            "average": 1.879153731,
            "count": 4844982,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.210137143,
            "variance": 1.464431904
          },
          {
            "average": 1,
            "count": 4844982,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4844982,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.180340814,
            "count": 4844982,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.534722179,
            "variance": 72.84148268
          },
          {
            "average": 0,
            "count": 4844982,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 95.54312751,
            "count": 4844982,
            "maximum": 255,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.16286982,
            "variance": 4783.502561
          },
          {
            "average": 3.456885289,
            "count": 4844982,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.790469908,
            "variance": 3.205782493
          },
          {
            "average": 63274545.04,
            "count": 4844982,
            "maximum": 63277150.65,
            "minimum": 63273440.29,
            "name": "GpsTime",
            "position": 12,
            "stddev": 809.8557153,
            "variance": 655866.2796
          },
          {
            "average": 0,
            "count": 4844982,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4844982,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4844982,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4844982,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4844982,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          606999.7338,
          2357998.447,
          -21.72438078,
          607999.7338,
          2358998.447,
          33.45561922
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                606999.7337900442,
                2357998.447382974,
                -21.72438078259314
              ],
              [
                606999.7337900442,
                2358998.447382974,
                -21.72438078259314
              ],
              [
                607999.7337900442,
                2358998.447382974,
                33.45561921740686
              ],
              [
                607999.7337900442,
                2357998.447382974,
                33.45561921740686
              ],
              [
                606999.7337900442,
                2357998.447382974,
                -21.72438078259314
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:45:50+00:00",
        "end_time": "2013-09-15T09:44:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0758.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0758.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0758.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0758.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9682727,
            21.32070471,
            -21.72438078,
            -157.9585677,
            21.32979796,
            33.45561922
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.96827266095318,
                  21.320764128518324,
                  -21.72438078259314
                ],
                [
                  -157.96820947421224,
                  21.329797957306983,
                  -21.72438078259314
                ],
                [
                  -157.95856774921592,
                  21.329738515037707,
                  33.45561921740686
                ],
                [
                  -157.95863153107587,
                  21.32070471236598,
                  33.45561921740686
                ],
                [
                  -157.96827266095318,
                  21.320764128518324,
                  -21.72438078259314
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0758.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0758.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:45:50Z",
            "pc:count": 4844982,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 607674.2741,
                "count": 4844982,
                "maximum": 607999.7338,
                "minimum": 606999.7338,
                "name": "X",
                "position": 0,
                "stddev": 220.3790755,
                "variance": 48566.93693
              },
              {
                "average": 2358507.962,
                "count": 4844982,
                "maximum": 2358998.447,
                "minimum": 2357998.447,
                "name": "Y",
                "position": 1,
                "stddev": 242.159043,
                "variance": 58641.0021
              },
              {
                "average": 3.817099363,
                "count": 4844982,
                "maximum": 33.45561922,
                "minimum": -21.72438078,
                "name": "Z",
                "position": 2,
                "stddev": 4.771951973,
                "variance": 22.77152563
              },
              {
                "average": 18.58939146,
                "count": 4844982,
                "maximum": 876,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 31.81737137,
                "variance": 1012.345121
              },
              {
                "average": 1.463046715,
                "count": 4844982,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8380109135,
                "variance": 0.7022622912
              },
              {
                "average": 1.879153731,
                "count": 4844982,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.210137143,
                "variance": 1.464431904
              },
              {
                "average": 1,
                "count": 4844982,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4844982,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.180340814,
                "count": 4844982,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.534722179,
                "variance": 72.84148268
              },
              {
                "average": 0,
                "count": 4844982,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 95.54312751,
                "count": 4844982,
                "maximum": 255,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.16286982,
                "variance": 4783.502561
              },
              {
                "average": 3.456885289,
                "count": 4844982,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.790469908,
                "variance": 3.205782493
              },
              {
                "average": 63274545.04,
                "count": 4844982,
                "maximum": 63277150.65,
                "minimum": 63273440.29,
                "name": "GpsTime",
                "position": 12,
                "stddev": 809.8557153,
                "variance": 655866.2796
              },
              {
                "average": 0,
                "count": 4844982,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4844982,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4844982,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4844982,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4844982,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              606999.7338,
              2357998.447,
              -21.72438078,
              607999.7338,
              2358998.447,
              33.45561922
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    606999.7337900442,
                    2357998.447382974,
                    -21.72438078259314
                  ],
                  [
                    606999.7337900442,
                    2358998.447382974,
                    -21.72438078259314
                  ],
                  [
                    607999.7337900442,
                    2358998.447382974,
                    33.45561921740686
                  ],
                  [
                    607999.7337900442,
                    2357998.447382974,
                    33.45561921740686
                  ],
                  [
                    606999.7337900442,
                    2357998.447382974,
                    -21.72438078259314
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:45:50+00:00",
            "end_time": "2013-09-15T09:44:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9391.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.10142612016702,
              21.619661548471424,
              -37.2876089742911
            ],
            [
              -158.10137031591586,
              21.62869540090788,
              -37.2876089742911
            ],
            [
              -158.0917084973101,
              21.628642892017957,
              -4.167608974291102
            ],
            [
              -158.09176490334482,
              21.61960906309563,
              -4.167608974291102
            ],
            [
              -158.10142612016702,
              21.619661548471424,
              -37.2876089742911
            ]
          ]
        ]
      },
      "bbox": [
        -158.1014261,
        21.61960906,
        -37.28760897,
        -158.0917085,
        21.6286954,
        -4.167608974
      ],
      "properties": {
        "datetime": "2013-09-22T23:52:26Z",
        "pc:count": 2513519,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593651.1246,
            "count": 2513519,
            "maximum": 593999.6365,
            "minimum": 592999.6365,
            "name": "X",
            "position": 0,
            "stddev": 242.4795425,
            "variance": 58796.32851
          },
          {
            "average": 2391317.221,
            "count": 2513519,
            "maximum": 2391998.484,
            "minimum": 2390998.484,
            "name": "Y",
            "position": 1,
            "stddev": 261.3216363,
            "variance": 68288.99762
          },
          {
            "average": -12.93259452,
            "count": 2513519,
            "maximum": -4.167608974,
            "minimum": -37.28760897,
            "name": "Z",
            "position": 2,
            "stddev": 6.22428092,
            "variance": 38.74167297
          },
          {
            "average": 90.76205312,
            "count": 2513519,
            "maximum": 8354,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 169.1835363,
            "variance": 28623.06894
          },
          {
            "average": 1.008741529,
            "count": 2513519,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09419551724,
            "variance": 0.008872795468
          },
          {
            "average": 1.01501401,
            "count": 2513519,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1241147271,
            "variance": 0.01540446549
          },
          {
            "average": 1,
            "count": 2513519,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2513519,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2513519,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.50433579,
            "count": 2513519,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.149712966,
            "variance": 66.41782142
          },
          {
            "average": 137.586216,
            "count": 2513519,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 89.28669392,
            "variance": 7972.113712
          },
          {
            "average": 2.261942719,
            "count": 2513519,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.5331773,
            "variance": 2.350632634
          },
          {
            "average": 63244716.18,
            "count": 2513519,
            "maximum": 63929146.73,
            "minimum": 62799584.59,
            "name": "GpsTime",
            "position": 12,
            "stddev": 481992.8366,
            "variance": 232317094500.0
          },
          {
            "average": 0,
            "count": 2513519,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2513519,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2513519,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2513519,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2513519,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          592999.6365,
          2390998.484,
          -37.28760897,
          593999.6365,
          2391998.484,
          -4.167608974
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                592999.6365333784,
                2390998.4844501666,
                -37.2876089742911
              ],
              [
                592999.6365333784,
                2391998.4844501666,
                -37.2876089742911
              ],
              [
                593999.6365333784,
                2391998.4844501666,
                -4.167608974291102
              ],
              [
                593999.6365333784,
                2390998.4844501666,
                -4.167608974291102
              ],
              [
                592999.6365333784,
                2390998.4844501666,
                -37.2876089742911
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:52:26+00:00",
        "end_time": "2013-09-09T22:06:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9391.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9391.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9391.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9391.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1014261,
            21.61960906,
            -37.28760897,
            -158.0917085,
            21.6286954,
            -4.167608974
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.10142612016702,
                  21.619661548471424,
                  -37.2876089742911
                ],
                [
                  -158.10137031591586,
                  21.62869540090788,
                  -37.2876089742911
                ],
                [
                  -158.0917084973101,
                  21.628642892017957,
                  -4.167608974291102
                ],
                [
                  -158.09176490334482,
                  21.61960906309563,
                  -4.167608974291102
                ],
                [
                  -158.10142612016702,
                  21.619661548471424,
                  -37.2876089742911
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9391.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9391.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:52:26Z",
            "pc:count": 2513519,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593651.1246,
                "count": 2513519,
                "maximum": 593999.6365,
                "minimum": 592999.6365,
                "name": "X",
                "position": 0,
                "stddev": 242.4795425,
                "variance": 58796.32851
              },
              {
                "average": 2391317.221,
                "count": 2513519,
                "maximum": 2391998.484,
                "minimum": 2390998.484,
                "name": "Y",
                "position": 1,
                "stddev": 261.3216363,
                "variance": 68288.99762
              },
              {
                "average": -12.93259452,
                "count": 2513519,
                "maximum": -4.167608974,
                "minimum": -37.28760897,
                "name": "Z",
                "position": 2,
                "stddev": 6.22428092,
                "variance": 38.74167297
              },
              {
                "average": 90.76205312,
                "count": 2513519,
                "maximum": 8354,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 169.1835363,
                "variance": 28623.06894
              },
              {
                "average": 1.008741529,
                "count": 2513519,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09419551724,
                "variance": 0.008872795468
              },
              {
                "average": 1.01501401,
                "count": 2513519,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1241147271,
                "variance": 0.01540446549
              },
              {
                "average": 1,
                "count": 2513519,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2513519,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2513519,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.50433579,
                "count": 2513519,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.149712966,
                "variance": 66.41782142
              },
              {
                "average": 137.586216,
                "count": 2513519,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 89.28669392,
                "variance": 7972.113712
              },
              {
                "average": 2.261942719,
                "count": 2513519,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.5331773,
                "variance": 2.350632634
              },
              {
                "average": 63244716.18,
                "count": 2513519,
                "maximum": 63929146.73,
                "minimum": 62799584.59,
                "name": "GpsTime",
                "position": 12,
                "stddev": 481992.8366,
                "variance": 232317094500.0
              },
              {
                "average": 0,
                "count": 2513519,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2513519,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2513519,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2513519,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2513519,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              592999.6365,
              2390998.484,
              -37.28760897,
              593999.6365,
              2391998.484,
              -4.167608974
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    592999.6365333784,
                    2390998.4844501666,
                    -37.2876089742911
                  ],
                  [
                    592999.6365333784,
                    2391998.4844501666,
                    -37.2876089742911
                  ],
                  [
                    593999.6365333784,
                    2391998.4844501666,
                    -4.167608974291102
                  ],
                  [
                    593999.6365333784,
                    2390998.4844501666,
                    -4.167608974291102
                  ],
                  [
                    592999.6365333784,
                    2390998.4844501666,
                    -37.2876089742911
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:52:26+00:00",
            "end_time": "2013-09-09T22:06:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9894.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.05290436498302,
              21.652517455312584,
              86.51568437097261
            ],
            [
              -158.05288472135672,
              21.655528388934425,
              86.51568437097261
            ],
            [
              -158.05183584819272,
              21.655522403652938,
              154.19568437097263
            ],
            [
              -158.05185551360043,
              21.65251147093365,
              154.19568437097263
            ],
            [
              -158.05290436498302,
              21.652517455312584,
              86.51568437097261
            ]
          ]
        ]
      },
      "bbox": [
        -158.0529044,
        21.65251147,
        86.51568437,
        -158.0518358,
        21.65552839,
        154.1956844
      ],
      "properties": {
        "datetime": "2013-09-10T19:12:58Z",
        "pc:count": 81593,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 598044.6946,
            "count": 81593,
            "maximum": 598108.1931,
            "minimum": 597999.6531,
            "name": "X",
            "position": 0,
            "stddev": 30.29528574,
            "variance": 917.8043379
          },
          {
            "average": 2394785.438,
            "count": 81593,
            "maximum": 2394998.485,
            "minimum": 2394665.185,
            "name": "Y",
            "position": 1,
            "stddev": 71.95731589,
            "variance": 5177.85531
          },
          {
            "average": 127.5207355,
            "count": 81593,
            "maximum": 154.1956844,
            "minimum": 86.51568437,
            "name": "Z",
            "position": 2,
            "stddev": 12.22394223,
            "variance": 149.4247637
          },
          {
            "average": 11.9619085,
            "count": 81593,
            "maximum": 354,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.53275431,
            "variance": 421.5939996
          },
          {
            "average": 1.786967019,
            "count": 81593,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.08505037,
            "variance": 1.177334306
          },
          {
            "average": 2.563320383,
            "count": 81593,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.584990887,
            "variance": 2.512196113
          },
          {
            "average": 1,
            "count": 81593,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 81593,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.298947214,
            "count": 81593,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4577994601,
            "variance": 0.2095803457
          },
          {
            "average": 19.68382428,
            "count": 81593,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.508116313,
            "variance": 6.290647438
          },
          {
            "average": 89.81288836,
            "count": 81593,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.92198524,
            "variance": 4345.708138
          },
          {
            "average": 8.966994718,
            "count": 81593,
            "maximum": 9,
            "minimum": 8,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.1786514059,
            "variance": 0.03191632482
          },
          {
            "average": 62875556.84,
            "count": 81593,
            "maximum": 62875578.96,
            "minimum": 62874955.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 111.0217994,
            "variance": 12325.83995
          },
          {
            "average": 0,
            "count": 81593,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 81593,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 81593,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 81593,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 81593,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          597999.6531,
          2394665.185,
          86.51568437,
          598108.1931,
          2394998.485,
          154.1956844
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                597999.6531313333,
                2394665.185024299,
                86.51568437097261
              ],
              [
                597999.6531313333,
                2394998.485024299,
                86.51568437097261
              ],
              [
                598108.1931313333,
                2394998.485024299,
                154.19568437097263
              ],
              [
                598108.1931313333,
                2394665.185024299,
                154.19568437097263
              ],
              [
                597999.6531313333,
                2394665.185024299,
                86.51568437097261
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T19:12:58+00:00",
        "end_time": "2013-09-10T19:02:35+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9894.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9894.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9894.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9894.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0529044,
            21.65251147,
            86.51568437,
            -158.0518358,
            21.65552839,
            154.1956844
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.05290436498302,
                  21.652517455312584,
                  86.51568437097261
                ],
                [
                  -158.05288472135672,
                  21.655528388934425,
                  86.51568437097261
                ],
                [
                  -158.05183584819272,
                  21.655522403652938,
                  154.19568437097263
                ],
                [
                  -158.05185551360043,
                  21.65251147093365,
                  154.19568437097263
                ],
                [
                  -158.05290436498302,
                  21.652517455312584,
                  86.51568437097261
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9894.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9894.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T19:12:58Z",
            "pc:count": 81593,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 598044.6946,
                "count": 81593,
                "maximum": 598108.1931,
                "minimum": 597999.6531,
                "name": "X",
                "position": 0,
                "stddev": 30.29528574,
                "variance": 917.8043379
              },
              {
                "average": 2394785.438,
                "count": 81593,
                "maximum": 2394998.485,
                "minimum": 2394665.185,
                "name": "Y",
                "position": 1,
                "stddev": 71.95731589,
                "variance": 5177.85531
              },
              {
                "average": 127.5207355,
                "count": 81593,
                "maximum": 154.1956844,
                "minimum": 86.51568437,
                "name": "Z",
                "position": 2,
                "stddev": 12.22394223,
                "variance": 149.4247637
              },
              {
                "average": 11.9619085,
                "count": 81593,
                "maximum": 354,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.53275431,
                "variance": 421.5939996
              },
              {
                "average": 1.786967019,
                "count": 81593,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.08505037,
                "variance": 1.177334306
              },
              {
                "average": 2.563320383,
                "count": 81593,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.584990887,
                "variance": 2.512196113
              },
              {
                "average": 1,
                "count": 81593,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 81593,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.298947214,
                "count": 81593,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4577994601,
                "variance": 0.2095803457
              },
              {
                "average": 19.68382428,
                "count": 81593,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.508116313,
                "variance": 6.290647438
              },
              {
                "average": 89.81288836,
                "count": 81593,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.92198524,
                "variance": 4345.708138
              },
              {
                "average": 8.966994718,
                "count": 81593,
                "maximum": 9,
                "minimum": 8,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.1786514059,
                "variance": 0.03191632482
              },
              {
                "average": 62875556.84,
                "count": 81593,
                "maximum": 62875578.96,
                "minimum": 62874955.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 111.0217994,
                "variance": 12325.83995
              },
              {
                "average": 0,
                "count": 81593,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 81593,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 81593,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 81593,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 81593,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              597999.6531,
              2394665.185,
              86.51568437,
              598108.1931,
              2394998.485,
              154.1956844
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    597999.6531313333,
                    2394665.185024299,
                    86.51568437097261
                  ],
                  [
                    597999.6531313333,
                    2394998.485024299,
                    86.51568437097261
                  ],
                  [
                    598108.1931313333,
                    2394998.485024299,
                    154.19568437097263
                  ],
                  [
                    598108.1931313333,
                    2394665.185024299,
                    154.19568437097263
                  ],
                  [
                    597999.6531313333,
                    2394665.185024299,
                    86.51568437097261
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T19:12:58+00:00",
            "end_time": "2013-09-10T19:02:35+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9392.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.100305775451,
              21.628689665989178,
              -39.130068180787475
            ],
            [
              -158.100249859585,
              21.637722427849305,
              -39.130068180787475
            ],
            [
              -158.0916520471544,
              21.637675655606376,
              -17.67006818078747
            ],
            [
              -158.09170849769197,
              21.628642914954646,
              -17.67006818078747
            ],
            [
              -158.100305775451,
              21.628689665989178,
              -39.130068180787475
            ]
          ]
        ]
      },
      "bbox": [
        -158.1003058,
        21.62864291,
        -39.13006818,
        -158.091652,
        21.63772243,
        -17.67006818
      ],
      "properties": {
        "datetime": "2013-09-09T22:37:04Z",
        "pc:count": 321663,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593719.2508,
            "count": 321663,
            "maximum": 593999.6365,
            "minimum": 593109.8165,
            "name": "X",
            "position": 0,
            "stddev": 199.1527922,
            "variance": 39661.83463
          },
          {
            "average": 2392318.307,
            "count": 321663,
            "maximum": 2392998.367,
            "minimum": 2391998.487,
            "name": "Y",
            "position": 1,
            "stddev": 226.2803913,
            "variance": 51202.81549
          },
          {
            "average": -28.38973479,
            "count": 321663,
            "maximum": -17.67006818,
            "minimum": -39.13006818,
            "name": "Z",
            "position": 2,
            "stddev": 3.99916104,
            "variance": 15.99328902
          },
          {
            "average": 392.8692638,
            "count": 321663,
            "maximum": 5203,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 161.0956165,
            "variance": 25951.79765
          },
          {
            "average": 1.002546143,
            "count": 321663,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05045677131,
            "variance": 0.002545885771
          },
          {
            "average": 1.003286048,
            "count": 321663,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05739262159,
            "variance": 0.003293913013
          },
          {
            "average": 1,
            "count": 321663,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 321663,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 321663,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.07493709,
            "count": 321663,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.428997054,
            "variance": 88.90598544
          },
          {
            "average": 248.7318653,
            "count": 321663,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 6.711987009,
            "variance": 45.05076961
          },
          {
            "average": 2.904645545,
            "count": 321663,
            "maximum": 5,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8978472528,
            "variance": 0.8061296894
          },
          {
            "average": 62800062.81,
            "count": 321663,
            "maximum": 62801424.77,
            "minimum": 62799568.63,
            "name": "GpsTime",
            "position": 12,
            "stddev": 511.1056836,
            "variance": 261229.0198
          },
          {
            "average": 0,
            "count": 321663,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 321663,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 321663,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 321663,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 321663,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          593109.8165,
          2391998.487,
          -39.13006818,
          593999.6365,
          2392998.367,
          -17.67006818
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                593109.8164790248,
                2391998.486988826,
                -39.130068180787475
              ],
              [
                593109.8164790248,
                2392998.366988826,
                -39.130068180787475
              ],
              [
                593999.6364790249,
                2392998.366988826,
                -17.67006818078747
              ],
              [
                593999.6364790249,
                2391998.486988826,
                -17.67006818078747
              ],
              [
                593109.8164790248,
                2391998.486988826,
                -39.130068180787475
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T22:37:04+00:00",
        "end_time": "2013-09-09T22:06:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9392.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9392.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9392.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9392.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1003058,
            21.62864291,
            -39.13006818,
            -158.091652,
            21.63772243,
            -17.67006818
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.100305775451,
                  21.628689665989178,
                  -39.130068180787475
                ],
                [
                  -158.100249859585,
                  21.637722427849305,
                  -39.130068180787475
                ],
                [
                  -158.0916520471544,
                  21.637675655606376,
                  -17.67006818078747
                ],
                [
                  -158.09170849769197,
                  21.628642914954646,
                  -17.67006818078747
                ],
                [
                  -158.100305775451,
                  21.628689665989178,
                  -39.130068180787475
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9392.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9392.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T22:37:04Z",
            "pc:count": 321663,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593719.2508,
                "count": 321663,
                "maximum": 593999.6365,
                "minimum": 593109.8165,
                "name": "X",
                "position": 0,
                "stddev": 199.1527922,
                "variance": 39661.83463
              },
              {
                "average": 2392318.307,
                "count": 321663,
                "maximum": 2392998.367,
                "minimum": 2391998.487,
                "name": "Y",
                "position": 1,
                "stddev": 226.2803913,
                "variance": 51202.81549
              },
              {
                "average": -28.38973479,
                "count": 321663,
                "maximum": -17.67006818,
                "minimum": -39.13006818,
                "name": "Z",
                "position": 2,
                "stddev": 3.99916104,
                "variance": 15.99328902
              },
              {
                "average": 392.8692638,
                "count": 321663,
                "maximum": 5203,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 161.0956165,
                "variance": 25951.79765
              },
              {
                "average": 1.002546143,
                "count": 321663,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05045677131,
                "variance": 0.002545885771
              },
              {
                "average": 1.003286048,
                "count": 321663,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05739262159,
                "variance": 0.003293913013
              },
              {
                "average": 1,
                "count": 321663,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 321663,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 321663,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.07493709,
                "count": 321663,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.428997054,
                "variance": 88.90598544
              },
              {
                "average": 248.7318653,
                "count": 321663,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 6.711987009,
                "variance": 45.05076961
              },
              {
                "average": 2.904645545,
                "count": 321663,
                "maximum": 5,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8978472528,
                "variance": 0.8061296894
              },
              {
                "average": 62800062.81,
                "count": 321663,
                "maximum": 62801424.77,
                "minimum": 62799568.63,
                "name": "GpsTime",
                "position": 12,
                "stddev": 511.1056836,
                "variance": 261229.0198
              },
              {
                "average": 0,
                "count": 321663,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 321663,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 321663,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 321663,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 321663,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              593109.8165,
              2391998.487,
              -39.13006818,
              593999.6365,
              2392998.367,
              -17.67006818
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    593109.8164790248,
                    2391998.486988826,
                    -39.130068180787475
                  ],
                  [
                    593109.8164790248,
                    2392998.366988826,
                    -39.130068180787475
                  ],
                  [
                    593999.6364790249,
                    2392998.366988826,
                    -17.67006818078747
                  ],
                  [
                    593999.6364790249,
                    2391998.486988826,
                    -17.67006818078747
                  ],
                  [
                    593109.8164790248,
                    2391998.486988826,
                    -39.130068180787475
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T22:37:04+00:00",
            "end_time": "2013-09-09T22:06:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0658.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.97791391984242,
              21.320822977562607,
              -22.372733274538774
            ],
            [
              -157.97785499384187,
              21.329330336397295,
              -22.372733274538774
            ],
            [
              -157.96821328466135,
              21.329271471417577,
              33.067266725461224
            ],
            [
              -157.96827278971838,
              21.32076413379748,
              33.067266725461224
            ],
            [
              -157.97791391984242,
              21.320822977562607,
              -22.372733274538774
            ]
          ]
        ]
      },
      "bbox": [
        -157.9779139,
        21.32076413,
        -22.37273327,
        -157.9682133,
        21.32933034,
        33.06726673
      ],
      "properties": {
        "datetime": "2013-09-15T10:29:27Z",
        "pc:count": 4696662,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 606417.4928,
            "count": 4696662,
            "maximum": 606999.7204,
            "minimum": 605999.7204,
            "name": "X",
            "position": 0,
            "stddev": 239.2196971,
            "variance": 57226.06347
          },
          {
            "average": 2358408.243,
            "count": 4696662,
            "maximum": 2358940.168,
            "minimum": 2357998.448,
            "name": "Y",
            "position": 1,
            "stddev": 233.626255,
            "variance": 54581.22704
          },
          {
            "average": 4.052963921,
            "count": 4696662,
            "maximum": 33.06726673,
            "minimum": -22.37273327,
            "name": "Z",
            "position": 2,
            "stddev": 5.574418548,
            "variance": 31.07414215
          },
          {
            "average": 22.3751558,
            "count": 4696662,
            "maximum": 3124,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.91501607,
            "variance": 955.7382185
          },
          {
            "average": 1.356096521,
            "count": 4696662,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7174284198,
            "variance": 0.5147035376
          },
          {
            "average": 1.667939486,
            "count": 4696662,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.035451627,
            "variance": 1.072160071
          },
          {
            "average": 1,
            "count": 4696662,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4696662,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.870025137,
            "count": 4696662,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.141587542,
            "variance": 66.28544771
          },
          {
            "average": 0,
            "count": 4696662,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 97.27632902,
            "count": 4696662,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.93262127,
            "variance": 4890.571517
          },
          {
            "average": 3.366427688,
            "count": 4696662,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.72739226,
            "variance": 2.983884021
          },
          {
            "average": 63274486.17,
            "count": 4696662,
            "maximum": 63276167.92,
            "minimum": 63273425.13,
            "name": "GpsTime",
            "position": 12,
            "stddev": 778.111775,
            "variance": 605457.9344
          },
          {
            "average": 0,
            "count": 4696662,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4696662,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4696662,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4696662,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4696662,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          605999.7204,
          2357998.448,
          -22.37273327,
          606999.7204,
          2358940.168,
          33.06726673
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                605999.7204309903,
                2357998.447879896,
                -22.372733274538774
              ],
              [
                605999.7204309903,
                2358940.167879896,
                -22.372733274538774
              ],
              [
                606999.7204309903,
                2358940.167879896,
                33.067266725461224
              ],
              [
                606999.7204309903,
                2357998.447879896,
                33.067266725461224
              ],
              [
                605999.7204309903,
                2357998.447879896,
                -22.372733274538774
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:29:27+00:00",
        "end_time": "2013-09-15T09:43:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0658.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0658.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0658.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0658.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9779139,
            21.32076413,
            -22.37273327,
            -157.9682133,
            21.32933034,
            33.06726673
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.97791391984242,
                  21.320822977562607,
                  -22.372733274538774
                ],
                [
                  -157.97785499384187,
                  21.329330336397295,
                  -22.372733274538774
                ],
                [
                  -157.96821328466135,
                  21.329271471417577,
                  33.067266725461224
                ],
                [
                  -157.96827278971838,
                  21.32076413379748,
                  33.067266725461224
                ],
                [
                  -157.97791391984242,
                  21.320822977562607,
                  -22.372733274538774
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0658.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0658.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:29:27Z",
            "pc:count": 4696662,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 606417.4928,
                "count": 4696662,
                "maximum": 606999.7204,
                "minimum": 605999.7204,
                "name": "X",
                "position": 0,
                "stddev": 239.2196971,
                "variance": 57226.06347
              },
              {
                "average": 2358408.243,
                "count": 4696662,
                "maximum": 2358940.168,
                "minimum": 2357998.448,
                "name": "Y",
                "position": 1,
                "stddev": 233.626255,
                "variance": 54581.22704
              },
              {
                "average": 4.052963921,
                "count": 4696662,
                "maximum": 33.06726673,
                "minimum": -22.37273327,
                "name": "Z",
                "position": 2,
                "stddev": 5.574418548,
                "variance": 31.07414215
              },
              {
                "average": 22.3751558,
                "count": 4696662,
                "maximum": 3124,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.91501607,
                "variance": 955.7382185
              },
              {
                "average": 1.356096521,
                "count": 4696662,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7174284198,
                "variance": 0.5147035376
              },
              {
                "average": 1.667939486,
                "count": 4696662,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.035451627,
                "variance": 1.072160071
              },
              {
                "average": 1,
                "count": 4696662,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4696662,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.870025137,
                "count": 4696662,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.141587542,
                "variance": 66.28544771
              },
              {
                "average": 0,
                "count": 4696662,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 97.27632902,
                "count": 4696662,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.93262127,
                "variance": 4890.571517
              },
              {
                "average": 3.366427688,
                "count": 4696662,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.72739226,
                "variance": 2.983884021
              },
              {
                "average": 63274486.17,
                "count": 4696662,
                "maximum": 63276167.92,
                "minimum": 63273425.13,
                "name": "GpsTime",
                "position": 12,
                "stddev": 778.111775,
                "variance": 605457.9344
              },
              {
                "average": 0,
                "count": 4696662,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4696662,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4696662,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4696662,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4696662,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              605999.7204,
              2357998.448,
              -22.37273327,
              606999.7204,
              2358940.168,
              33.06726673
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    605999.7204309903,
                    2357998.447879896,
                    -22.372733274538774
                  ],
                  [
                    605999.7204309903,
                    2358940.167879896,
                    -22.372733274538774
                  ],
                  [
                    606999.7204309903,
                    2358940.167879896,
                    33.067266725461224
                  ],
                  [
                    606999.7204309903,
                    2357998.447879896,
                    33.067266725461224
                  ],
                  [
                    605999.7204309903,
                    2357998.447879896,
                    -22.372733274538774
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:29:27+00:00",
            "end_time": "2013-09-15T09:43:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9393.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.09219080084728,
              21.637679800540457,
              -39.546893278474734
            ],
            [
              -158.09218529000935,
              21.638561862786062,
              -39.546893278474734
            ],
            [
              -158.09164689760954,
              21.63855892073222,
              -37.94689327847474
            ],
            [
              -158.09165241171834,
              21.63767685861679,
              -37.94689327847474
            ],
            [
              -158.09219080084728,
              21.637679800540457,
              -39.546893278474734
            ]
          ]
        ]
      },
      "bbox": [
        -158.0921908,
        21.63767686,
        -39.54689328,
        -158.0916469,
        21.63856186,
        -37.94689328
      ],
      "properties": {
        "datetime": "2013-09-09T22:06:11Z",
        "pc:count": 520,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 593973.1908,
            "count": 520,
            "maximum": 593999.598,
            "minimum": 593943.878,
            "name": "X",
            "position": 0,
            "stddev": 15.44964526,
            "variance": 238.6915386
          },
          {
            "average": 2393022.678,
            "count": 520,
            "maximum": 2393096.14,
            "minimum": 2392998.5,
            "name": "Y",
            "position": 1,
            "stddev": 19.99615273,
            "variance": 399.8461242
          },
          {
            "average": -38.70370097,
            "count": 520,
            "maximum": -37.94689328,
            "minimum": -39.54689328,
            "name": "Z",
            "position": 2,
            "stddev": 0.2404175108,
            "variance": 0.05780057952
          },
          {
            "average": 544.95,
            "count": 520,
            "maximum": 976,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 132.8887194,
            "variance": 17659.41175
          },
          {
            "average": 1,
            "count": 520,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 520,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 520,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 520,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 520,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.73316942,
            "count": 520,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.076397053,
            "variance": 36.92260114
          },
          {
            "average": 249,
            "count": 520,
            "maximum": 249,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2,
            "count": 520,
            "maximum": 2,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62799570.68,
            "count": 520,
            "maximum": 62799571.9,
            "minimum": 62799568.49,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.7483897831,
            "variance": 0.5600872674
          },
          {
            "average": 0,
            "count": 520,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 520,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 520,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 520,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 520,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          593943.878,
          2392998.5,
          -39.54689328,
          593999.598,
          2393096.14,
          -37.94689328
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                593943.8779718858,
                2392998.499931117,
                -39.546893278474734
              ],
              [
                593943.8779718858,
                2393096.1399311167,
                -39.546893278474734
              ],
              [
                593999.5979718858,
                2393096.1399311167,
                -37.94689327847474
              ],
              [
                593999.5979718858,
                2392998.499931117,
                -37.94689327847474
              ],
              [
                593943.8779718858,
                2392998.499931117,
                -39.546893278474734
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T22:06:11+00:00",
        "end_time": "2013-09-09T22:06:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9393.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9393.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9393.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9393.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0921908,
            21.63767686,
            -39.54689328,
            -158.0916469,
            21.63856186,
            -37.94689328
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.09219080084728,
                  21.637679800540457,
                  -39.546893278474734
                ],
                [
                  -158.09218529000935,
                  21.638561862786062,
                  -39.546893278474734
                ],
                [
                  -158.09164689760954,
                  21.63855892073222,
                  -37.94689327847474
                ],
                [
                  -158.09165241171834,
                  21.63767685861679,
                  -37.94689327847474
                ],
                [
                  -158.09219080084728,
                  21.637679800540457,
                  -39.546893278474734
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9393.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9393.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T22:06:11Z",
            "pc:count": 520,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 593973.1908,
                "count": 520,
                "maximum": 593999.598,
                "minimum": 593943.878,
                "name": "X",
                "position": 0,
                "stddev": 15.44964526,
                "variance": 238.6915386
              },
              {
                "average": 2393022.678,
                "count": 520,
                "maximum": 2393096.14,
                "minimum": 2392998.5,
                "name": "Y",
                "position": 1,
                "stddev": 19.99615273,
                "variance": 399.8461242
              },
              {
                "average": -38.70370097,
                "count": 520,
                "maximum": -37.94689328,
                "minimum": -39.54689328,
                "name": "Z",
                "position": 2,
                "stddev": 0.2404175108,
                "variance": 0.05780057952
              },
              {
                "average": 544.95,
                "count": 520,
                "maximum": 976,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 132.8887194,
                "variance": 17659.41175
              },
              {
                "average": 1,
                "count": 520,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 520,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 520,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 520,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 520,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.73316942,
                "count": 520,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.076397053,
                "variance": 36.92260114
              },
              {
                "average": 249,
                "count": 520,
                "maximum": 249,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2,
                "count": 520,
                "maximum": 2,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62799570.68,
                "count": 520,
                "maximum": 62799571.9,
                "minimum": 62799568.49,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.7483897831,
                "variance": 0.5600872674
              },
              {
                "average": 0,
                "count": 520,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 520,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 520,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 520,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 520,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              593943.878,
              2392998.5,
              -39.54689328,
              593999.598,
              2393096.14,
              -37.94689328
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    593943.8779718858,
                    2392998.499931117,
                    -39.546893278474734
                  ],
                  [
                    593943.8779718858,
                    2393096.1399311167,
                    -39.546893278474734
                  ],
                  [
                    593999.5979718858,
                    2393096.1399311167,
                    -37.94689327847474
                  ],
                  [
                    593999.5979718858,
                    2392998.499931117,
                    -37.94689327847474
                  ],
                  [
                    593943.8779718858,
                    2392998.499931117,
                    -39.546893278474734
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T22:06:11+00:00",
            "end_time": "2013-09-09T22:06:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qej9451.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.08873798208364,
              21.26524805820391,
              -53.13831131601677
            ],
            [
              -158.08872563871984,
              21.267253294084483,
              -53.13831131601677
            ],
            [
              -158.0843050749071,
              21.267229326270456,
              -32.67831131601676
            ],
            [
              -158.08431747794899,
              21.265224093062955,
              -32.67831131601676
            ],
            [
              -158.08873798208364,
              21.26524805820391,
              -53.13831131601677
            ]
          ]
        ]
      },
      "bbox": [
        -158.088738,
        21.26522409,
        -53.13831132,
        -158.0843051,
        21.26725329,
        -32.67831132
      ],
      "properties": {
        "datetime": "2013-09-19T00:26:48Z",
        "pc:count": 27738,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 594851.7878,
            "count": 27738,
            "maximum": 594999.6692,
            "minimum": 594541.0092,
            "name": "X",
            "position": 0,
            "stddev": 111.0668677,
            "variance": 12335.84911
          },
          {
            "average": 2351939.825,
            "count": 27738,
            "maximum": 2351998.463,
            "minimum": 2351776.503,
            "name": "Y",
            "position": 1,
            "stddev": 44.39123469,
            "variance": 1970.581718
          },
          {
            "average": -39.75467911,
            "count": 27738,
            "maximum": -32.67831132,
            "minimum": -53.13831132,
            "name": "Z",
            "position": 2,
            "stddev": 3.678062346,
            "variance": 13.52814262
          },
          {
            "average": 1953.003353,
            "count": 27738,
            "maximum": 8708,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 936.3573028,
            "variance": 876764.9985
          },
          {
            "average": 1.001982839,
            "count": 27738,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04448571815,
            "variance": 0.001978979119
          },
          {
            "average": 1.002163098,
            "count": 27738,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04645962098,
            "variance": 0.002158496382
          },
          {
            "average": 1,
            "count": 27738,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 27738,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 27738,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.1911125,
            "count": 27738,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.297311851,
            "variance": 86.44000765
          },
          {
            "average": 249.0308602,
            "count": 27738,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1752200987,
            "variance": 0.03070208299
          },
          {
            "average": 3.936260725,
            "count": 27738,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.395806287,
            "variance": 1.948275191
          },
          {
            "average": 63575796.26,
            "count": 27738,
            "maximum": 63585608.38,
            "minimum": 63573251.06,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4433.87165,
            "variance": 19659217.81
          },
          {
            "average": 0,
            "count": 27738,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 27738,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 27738,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 27738,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 27738,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594541.0092,
          2351776.503,
          -53.13831132,
          594999.6692,
          2351998.463,
          -32.67831132
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594541.0091971254,
                2351776.5026516872,
                -53.13831131601677
              ],
              [
                594541.0091971254,
                2351998.462651687,
                -53.13831131601677
              ],
              [
                594999.6691971254,
                2351998.462651687,
                -32.67831131601676
              ],
              [
                594999.6691971254,
                2351776.5026516872,
                -32.67831131601676
              ],
              [
                594541.0091971254,
                2351776.5026516872,
                -53.13831131601677
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:26:48+00:00",
        "end_time": "2013-09-18T21:00:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qej9451.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qej9451.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qej9451.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qej9451.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.088738,
            21.26522409,
            -53.13831132,
            -158.0843051,
            21.26725329,
            -32.67831132
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.08873798208364,
                  21.26524805820391,
                  -53.13831131601677
                ],
                [
                  -158.08872563871984,
                  21.267253294084483,
                  -53.13831131601677
                ],
                [
                  -158.0843050749071,
                  21.267229326270456,
                  -32.67831131601676
                ],
                [
                  -158.08431747794899,
                  21.265224093062955,
                  -32.67831131601676
                ],
                [
                  -158.08873798208364,
                  21.26524805820391,
                  -53.13831131601677
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qej9451.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qej9451.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:26:48Z",
            "pc:count": 27738,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 594851.7878,
                "count": 27738,
                "maximum": 594999.6692,
                "minimum": 594541.0092,
                "name": "X",
                "position": 0,
                "stddev": 111.0668677,
                "variance": 12335.84911
              },
              {
                "average": 2351939.825,
                "count": 27738,
                "maximum": 2351998.463,
                "minimum": 2351776.503,
                "name": "Y",
                "position": 1,
                "stddev": 44.39123469,
                "variance": 1970.581718
              },
              {
                "average": -39.75467911,
                "count": 27738,
                "maximum": -32.67831132,
                "minimum": -53.13831132,
                "name": "Z",
                "position": 2,
                "stddev": 3.678062346,
                "variance": 13.52814262
              },
              {
                "average": 1953.003353,
                "count": 27738,
                "maximum": 8708,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 936.3573028,
                "variance": 876764.9985
              },
              {
                "average": 1.001982839,
                "count": 27738,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04448571815,
                "variance": 0.001978979119
              },
              {
                "average": 1.002163098,
                "count": 27738,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04645962098,
                "variance": 0.002158496382
              },
              {
                "average": 1,
                "count": 27738,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 27738,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 27738,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.1911125,
                "count": 27738,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.297311851,
                "variance": 86.44000765
              },
              {
                "average": 249.0308602,
                "count": 27738,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1752200987,
                "variance": 0.03070208299
              },
              {
                "average": 3.936260725,
                "count": 27738,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.395806287,
                "variance": 1.948275191
              },
              {
                "average": 63575796.26,
                "count": 27738,
                "maximum": 63585608.38,
                "minimum": 63573251.06,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4433.87165,
                "variance": 19659217.81
              },
              {
                "average": 0,
                "count": 27738,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 27738,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 27738,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 27738,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 27738,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594541.0092,
              2351776.503,
              -53.13831132,
              594999.6692,
              2351998.463,
              -32.67831132
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594541.0091971254,
                    2351776.5026516872,
                    -53.13831131601677
                  ],
                  [
                    594541.0091971254,
                    2351998.462651687,
                    -53.13831131601677
                  ],
                  [
                    594999.6691971254,
                    2351998.462651687,
                    -32.67831131601676
                  ],
                  [
                    594999.6691971254,
                    2351776.5026516872,
                    -32.67831131601676
                  ],
                  [
                    594541.0091971254,
                    2351776.5026516872,
                    -53.13831131601677
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:26:48+00:00",
            "end_time": "2013-09-18T21:00:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0759.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9593686878068,
              21.32974347285905,
              2.493426010267159
            ],
            [
              -157.9593677664753,
              21.329874101565345,
              2.493426010267159
            ],
            [
              -157.9585669252557,
              21.329869143116472,
              3.43342601026716
            ],
            [
              -157.9585678472972,
              21.329738514443005,
              3.43342601026716
            ],
            [
              -157.9593686878068,
              21.32974347285905,
              2.493426010267159
            ]
          ]
        ]
      },
      "bbox": [
        -157.9593687,
        21.32973851,
        2.49342601,
        -157.9585669,
        21.3298741,
        3.43342601
      ],
      "properties": {
        "datetime": "2013-09-15T09:44:18Z",
        "pc:count": 7868,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 607967.8074,
            "count": 7868,
            "maximum": 607999.7236,
            "minimum": 607916.6636,
            "name": "X",
            "position": 0,
            "stddev": 21.02023959,
            "variance": 441.8504725
          },
          {
            "average": 2359004.151,
            "count": 7868,
            "maximum": 2359012.907,
            "minimum": 2358998.447,
            "name": "Y",
            "position": 1,
            "stddev": 3.651608018,
            "variance": 13.33424112
          },
          {
            "average": 2.690435415,
            "count": 7868,
            "maximum": 3.43342601,
            "minimum": 2.49342601,
            "name": "Z",
            "position": 2,
            "stddev": 0.08409798599,
            "variance": 0.007072471247
          },
          {
            "average": 14.0744789,
            "count": 7868,
            "maximum": 461,
            "minimum": 1,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.8726926,
            "variance": 435.6692965
          },
          {
            "average": 1,
            "count": 7868,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 7868,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 7868,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7868,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.344433147,
            "count": 7868,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4752132745,
            "variance": 0.2258276563
          },
          {
            "average": 0,
            "count": 7868,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 93.71962379,
            "count": 7868,
            "maximum": 186,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 61.61125135,
            "variance": 3795.946293
          },
          {
            "average": 1,
            "count": 7868,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63273457.38,
            "count": 7868,
            "maximum": 63273458.73,
            "minimum": 63273456.47,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.5148453699,
            "variance": 0.2650657549
          },
          {
            "average": 0,
            "count": 7868,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7868,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7868,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7868,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7868,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          607916.6636,
          2358998.447,
          2.49342601,
          607999.7236,
          2359012.907,
          3.43342601
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                607916.6636183218,
                2358998.447249901,
                2.493426010267159
              ],
              [
                607916.6636183218,
                2359012.907249901,
                2.493426010267159
              ],
              [
                607999.7236183218,
                2359012.907249901,
                3.43342601026716
              ],
              [
                607999.7236183218,
                2358998.447249901,
                3.43342601026716
              ],
              [
                607916.6636183218,
                2358998.447249901,
                2.493426010267159
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T09:44:18+00:00",
        "end_time": "2013-09-15T09:44:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0759.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0759.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0759.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0759.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9593687,
            21.32973851,
            2.49342601,
            -157.9585669,
            21.3298741,
            3.43342601
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9593686878068,
                  21.32974347285905,
                  2.493426010267159
                ],
                [
                  -157.9593677664753,
                  21.329874101565345,
                  2.493426010267159
                ],
                [
                  -157.9585669252557,
                  21.329869143116472,
                  3.43342601026716
                ],
                [
                  -157.9585678472972,
                  21.329738514443005,
                  3.43342601026716
                ],
                [
                  -157.9593686878068,
                  21.32974347285905,
                  2.493426010267159
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0759.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0759.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T09:44:18Z",
            "pc:count": 7868,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 607967.8074,
                "count": 7868,
                "maximum": 607999.7236,
                "minimum": 607916.6636,
                "name": "X",
                "position": 0,
                "stddev": 21.02023959,
                "variance": 441.8504725
              },
              {
                "average": 2359004.151,
                "count": 7868,
                "maximum": 2359012.907,
                "minimum": 2358998.447,
                "name": "Y",
                "position": 1,
                "stddev": 3.651608018,
                "variance": 13.33424112
              },
              {
                "average": 2.690435415,
                "count": 7868,
                "maximum": 3.43342601,
                "minimum": 2.49342601,
                "name": "Z",
                "position": 2,
                "stddev": 0.08409798599,
                "variance": 0.007072471247
              },
              {
                "average": 14.0744789,
                "count": 7868,
                "maximum": 461,
                "minimum": 1,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.8726926,
                "variance": 435.6692965
              },
              {
                "average": 1,
                "count": 7868,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 7868,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 7868,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7868,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.344433147,
                "count": 7868,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4752132745,
                "variance": 0.2258276563
              },
              {
                "average": 0,
                "count": 7868,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 93.71962379,
                "count": 7868,
                "maximum": 186,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 61.61125135,
                "variance": 3795.946293
              },
              {
                "average": 1,
                "count": 7868,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63273457.38,
                "count": 7868,
                "maximum": 63273458.73,
                "minimum": 63273456.47,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.5148453699,
                "variance": 0.2650657549
              },
              {
                "average": 0,
                "count": 7868,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7868,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7868,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7868,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7868,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              607916.6636,
              2358998.447,
              2.49342601,
              607999.7236,
              2359012.907,
              3.43342601
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    607916.6636183218,
                    2358998.447249901,
                    2.493426010267159
                  ],
                  [
                    607916.6636183218,
                    2359012.907249901,
                    2.493426010267159
                  ],
                  [
                    607999.7236183218,
                    2359012.907249901,
                    3.43342601026716
                  ],
                  [
                    607999.7236183218,
                    2358998.447249901,
                    3.43342601026716
                  ],
                  [
                    607916.6636183218,
                    2358998.447249901,
                    2.493426010267159
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T09:44:18+00:00",
            "end_time": "2013-09-15T09:44:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0354.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.00706884835304,
              21.286590678652498,
              -48.5361040575839
            ],
            [
              -158.0070198069307,
              21.293894460633368,
              -48.5361040575839
            ],
            [
              -157.9973803159032,
              21.293837324552683,
              -5.536104057583902
            ],
            [
              -157.99742983284722,
              21.286533563464367,
              -5.536104057583902
            ],
            [
              -158.00706884835304,
              21.286590678652498,
              -48.5361040575839
            ]
          ]
        ]
      },
      "bbox": [
        -158.0070688,
        21.28653356,
        -48.53610406,
        -157.9973803,
        21.29389446,
        -5.536104058
      ],
      "properties": {
        "datetime": "2013-09-17T12:17:39Z",
        "pc:count": 1633487,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 603548.5812,
            "count": 1633487,
            "maximum": 603999.7151,
            "minimum": 602999.7151,
            "name": "X",
            "position": 0,
            "stddev": 281.7032092,
            "variance": 79356.69809
          },
          {
            "average": 2354793.573,
            "count": 1633487,
            "maximum": 2354998.453,
            "minimum": 2354189.973,
            "name": "Y",
            "position": 1,
            "stddev": 172.766205,
            "variance": 29848.16161
          },
          {
            "average": -13.28739033,
            "count": 1633487,
            "maximum": -5.536104058,
            "minimum": -48.53610406,
            "name": "Z",
            "position": 2,
            "stddev": 5.737109388,
            "variance": 32.91442413
          },
          {
            "average": 138.3113597,
            "count": 1633487,
            "maximum": 2247,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 231.880768,
            "variance": 53768.69057
          },
          {
            "average": 1.00224183,
            "count": 1633487,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04757879493,
            "variance": 0.002263741727
          },
          {
            "average": 1.003116033,
            "count": 1633487,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05620474844,
            "variance": 0.003158973747
          },
          {
            "average": 1,
            "count": 1633487,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1633487,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1633487,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1633487,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 133.1682597,
            "count": 1633487,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 89.97806319,
            "variance": 8096.051855
          },
          {
            "average": 3.531335113,
            "count": 1633487,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.733814206,
            "variance": 7.473740116
          },
          {
            "average": 63332894.84,
            "count": 1633487,
            "maximum": 63455459.7,
            "minimum": 63275629.33,
            "name": "GpsTime",
            "position": 12,
            "stddev": 73880.85878,
            "variance": 5458381294
          },
          {
            "average": 0,
            "count": 1633487,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1633487,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1633487,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1633487,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1633487,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          602999.7151,
          2354189.973,
          -48.53610406,
          603999.7151,
          2354998.453,
          -5.536104058
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                602999.7151325711,
                2354189.972745751,
                -48.5361040575839
              ],
              [
                602999.7151325711,
                2354998.4527457515,
                -48.5361040575839
              ],
              [
                603999.7151325711,
                2354998.4527457515,
                -5.536104057583902
              ],
              [
                603999.7151325711,
                2354189.972745751,
                -5.536104057583902
              ],
              [
                602999.7151325711,
                2354189.972745751,
                -48.5361040575839
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:17:39+00:00",
        "end_time": "2013-09-15T10:20:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0354.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0354.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0354.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0354.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0070688,
            21.28653356,
            -48.53610406,
            -157.9973803,
            21.29389446,
            -5.536104058
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.00706884835304,
                  21.286590678652498,
                  -48.5361040575839
                ],
                [
                  -158.0070198069307,
                  21.293894460633368,
                  -48.5361040575839
                ],
                [
                  -157.9973803159032,
                  21.293837324552683,
                  -5.536104057583902
                ],
                [
                  -157.99742983284722,
                  21.286533563464367,
                  -5.536104057583902
                ],
                [
                  -158.00706884835304,
                  21.286590678652498,
                  -48.5361040575839
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0354.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0354.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:17:39Z",
            "pc:count": 1633487,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 603548.5812,
                "count": 1633487,
                "maximum": 603999.7151,
                "minimum": 602999.7151,
                "name": "X",
                "position": 0,
                "stddev": 281.7032092,
                "variance": 79356.69809
              },
              {
                "average": 2354793.573,
                "count": 1633487,
                "maximum": 2354998.453,
                "minimum": 2354189.973,
                "name": "Y",
                "position": 1,
                "stddev": 172.766205,
                "variance": 29848.16161
              },
              {
                "average": -13.28739033,
                "count": 1633487,
                "maximum": -5.536104058,
                "minimum": -48.53610406,
                "name": "Z",
                "position": 2,
                "stddev": 5.737109388,
                "variance": 32.91442413
              },
              {
                "average": 138.3113597,
                "count": 1633487,
                "maximum": 2247,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 231.880768,
                "variance": 53768.69057
              },
              {
                "average": 1.00224183,
                "count": 1633487,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04757879493,
                "variance": 0.002263741727
              },
              {
                "average": 1.003116033,
                "count": 1633487,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05620474844,
                "variance": 0.003158973747
              },
              {
                "average": 1,
                "count": 1633487,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1633487,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1633487,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1633487,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 133.1682597,
                "count": 1633487,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 89.97806319,
                "variance": 8096.051855
              },
              {
                "average": 3.531335113,
                "count": 1633487,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.733814206,
                "variance": 7.473740116
              },
              {
                "average": 63332894.84,
                "count": 1633487,
                "maximum": 63455459.7,
                "minimum": 63275629.33,
                "name": "GpsTime",
                "position": 12,
                "stddev": 73880.85878,
                "variance": 5458381294
              },
              {
                "average": 0,
                "count": 1633487,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1633487,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1633487,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1633487,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1633487,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              602999.7151,
              2354189.973,
              -48.53610406,
              603999.7151,
              2354998.453,
              -5.536104058
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    602999.7151325711,
                    2354189.972745751,
                    -48.5361040575839
                  ],
                  [
                    602999.7151325711,
                    2354998.4527457515,
                    -48.5361040575839
                  ],
                  [
                    603999.7151325711,
                    2354998.4527457515,
                    -5.536104057583902
                  ],
                  [
                    603999.7151325711,
                    2354189.972745751,
                    -5.536104057583902
                  ],
                  [
                    602999.7151325711,
                    2354189.972745751,
                    -48.5361040575839
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:17:39+00:00",
            "end_time": "2013-09-15T10:20:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9895.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0528847685138,
              21.65552844015109,
              0.127317192455806
            ],
            [
              -158.05282581166998,
              21.66456213754349,
              0.127317192455806
            ],
            [
              -158.04685631876714,
              21.66452797143142,
              140.58731719245583
            ],
            [
              -158.04691564759545,
              21.655494289508848,
              140.58731719245583
            ],
            [
              -158.0528847685138,
              21.65552844015109,
              0.127317192455806
            ]
          ]
        ]
      },
      "bbox": [
        -158.0528848,
        21.65549429,
        0.1273171925,
        -158.0468563,
        21.66456214,
        140.5873172
      ],
      "properties": {
        "datetime": "2013-09-10T19:02:36Z",
        "pc:count": 1969107,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 598190.3784,
            "count": 1969107,
            "maximum": 598617.3482,
            "minimum": 597999.6482,
            "name": "X",
            "position": 0,
            "stddev": 152.2515407,
            "variance": 23180.53165
          },
          {
            "average": 2395716.198,
            "count": 1969107,
            "maximum": 2395998.491,
            "minimum": 2394998.491,
            "name": "Y",
            "position": 1,
            "stddev": 225.0708869,
            "variance": 50656.90415
          },
          {
            "average": 21.63610766,
            "count": 1969107,
            "maximum": 140.5873172,
            "minimum": 0.1273171925,
            "name": "Z",
            "position": 2,
            "stddev": 22.86705529,
            "variance": 522.9022177
          },
          {
            "average": 11.54047241,
            "count": 1969107,
            "maximum": 765,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.59058006,
            "variance": 604.6966275
          },
          {
            "average": 1.807748385,
            "count": 1969107,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.053586777,
            "variance": 1.110045096
          },
          {
            "average": 2.613066227,
            "count": 1969107,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.443876187,
            "variance": 2.084778443
          },
          {
            "average": 1,
            "count": 1969107,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1969107,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.14994462,
            "count": 1969107,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3849591491,
            "variance": 0.1481935464
          },
          {
            "average": 19.79609532,
            "count": 1969107,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.265842897,
            "variance": 10.66572983
          },
          {
            "average": 90.88347307,
            "count": 1969107,
            "maximum": 200,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.25275921,
            "variance": 4522.933622
          },
          {
            "average": 8.375249288,
            "count": 1969107,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7702469912,
            "variance": 0.5932804275
          },
          {
            "average": 62814568.54,
            "count": 1969107,
            "maximum": 62874956.49,
            "minimum": 62798357.57,
            "name": "GpsTime",
            "position": 12,
            "stddev": 30537.97394,
            "variance": 932567852.6
          },
          {
            "average": 0,
            "count": 1969107,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1969107,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1969107,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1969107,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1969107,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          597999.6482,
          2394998.491,
          0.1273171925,
          598617.3482,
          2395998.491,
          140.5873172
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                597999.6482170055,
                2394998.4906638274,
                0.127317192455806
              ],
              [
                597999.6482170055,
                2395998.4906638274,
                0.127317192455806
              ],
              [
                598617.3482170055,
                2395998.4906638274,
                140.58731719245583
              ],
              [
                598617.3482170055,
                2394998.4906638274,
                140.58731719245583
              ],
              [
                597999.6482170055,
                2394998.4906638274,
                0.127317192455806
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T19:02:36+00:00",
        "end_time": "2013-09-09T21:45:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9895.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9895.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9895.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9895.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0528848,
            21.65549429,
            0.1273171925,
            -158.0468563,
            21.66456214,
            140.5873172
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0528847685138,
                  21.65552844015109,
                  0.127317192455806
                ],
                [
                  -158.05282581166998,
                  21.66456213754349,
                  0.127317192455806
                ],
                [
                  -158.04685631876714,
                  21.66452797143142,
                  140.58731719245583
                ],
                [
                  -158.04691564759545,
                  21.655494289508848,
                  140.58731719245583
                ],
                [
                  -158.0528847685138,
                  21.65552844015109,
                  0.127317192455806
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9895.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9895.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T19:02:36Z",
            "pc:count": 1969107,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 598190.3784,
                "count": 1969107,
                "maximum": 598617.3482,
                "minimum": 597999.6482,
                "name": "X",
                "position": 0,
                "stddev": 152.2515407,
                "variance": 23180.53165
              },
              {
                "average": 2395716.198,
                "count": 1969107,
                "maximum": 2395998.491,
                "minimum": 2394998.491,
                "name": "Y",
                "position": 1,
                "stddev": 225.0708869,
                "variance": 50656.90415
              },
              {
                "average": 21.63610766,
                "count": 1969107,
                "maximum": 140.5873172,
                "minimum": 0.1273171925,
                "name": "Z",
                "position": 2,
                "stddev": 22.86705529,
                "variance": 522.9022177
              },
              {
                "average": 11.54047241,
                "count": 1969107,
                "maximum": 765,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.59058006,
                "variance": 604.6966275
              },
              {
                "average": 1.807748385,
                "count": 1969107,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.053586777,
                "variance": 1.110045096
              },
              {
                "average": 2.613066227,
                "count": 1969107,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.443876187,
                "variance": 2.084778443
              },
              {
                "average": 1,
                "count": 1969107,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1969107,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.14994462,
                "count": 1969107,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3849591491,
                "variance": 0.1481935464
              },
              {
                "average": 19.79609532,
                "count": 1969107,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.265842897,
                "variance": 10.66572983
              },
              {
                "average": 90.88347307,
                "count": 1969107,
                "maximum": 200,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.25275921,
                "variance": 4522.933622
              },
              {
                "average": 8.375249288,
                "count": 1969107,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7702469912,
                "variance": 0.5932804275
              },
              {
                "average": 62814568.54,
                "count": 1969107,
                "maximum": 62874956.49,
                "minimum": 62798357.57,
                "name": "GpsTime",
                "position": 12,
                "stddev": 30537.97394,
                "variance": 932567852.6
              },
              {
                "average": 0,
                "count": 1969107,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1969107,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1969107,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1969107,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1969107,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              597999.6482,
              2394998.491,
              0.1273171925,
              598617.3482,
              2395998.491,
              140.5873172
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    597999.6482170055,
                    2394998.4906638274,
                    0.127317192455806
                  ],
                  [
                    597999.6482170055,
                    2395998.4906638274,
                    0.127317192455806
                  ],
                  [
                    598617.3482170055,
                    2395998.4906638274,
                    140.58731719245583
                  ],
                  [
                    598617.3482170055,
                    2394998.4906638274,
                    140.58731719245583
                  ],
                  [
                    597999.6482170055,
                    2394998.4906638274,
                    0.127317192455806
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T19:02:36+00:00",
            "end_time": "2013-09-09T21:45:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9452.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.09394289967867,
              21.267281460095614,
              -53.990704793387934
            ],
            [
              -158.0938875757606,
              21.276315706255527,
              -53.990704793387934
            ],
            [
              -158.08424917981566,
              21.276263570739758,
              10.409295206612075
            ],
            [
              -158.08430508683057,
              21.267229354680186,
              10.409295206612075
            ],
            [
              -158.09394289967867,
              21.267281460095614,
              -53.990704793387934
            ]
          ]
        ]
      },
      "bbox": [
        -158.0939429,
        21.26722935,
        -53.99070479,
        -158.0842492,
        21.27631571,
        10.40929521
      ],
      "properties": {
        "datetime": "2013-09-19T00:49:58Z",
        "pc:count": 794839,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 594499.2804,
            "count": 794839,
            "maximum": 594999.6679,
            "minimum": 593999.6879,
            "name": "X",
            "position": 0,
            "stddev": 286.9681074,
            "variance": 82350.69466
          },
          {
            "average": 2352609.165,
            "count": 794839,
            "maximum": 2352998.466,
            "minimum": 2351998.466,
            "name": "Y",
            "position": 1,
            "stddev": 285.526061,
            "variance": 81525.13154
          },
          {
            "average": -23.97189354,
            "count": 794839,
            "maximum": 10.40929521,
            "minimum": -53.99070479,
            "name": "Z",
            "position": 2,
            "stddev": 6.72442298,
            "variance": 45.21786441
          },
          {
            "average": 728.3357045,
            "count": 794839,
            "maximum": 8473,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 657.9288204,
            "variance": 432870.3327
          },
          {
            "average": 1.004421021,
            "count": 794839,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07528046185,
            "variance": 0.005667147937
          },
          {
            "average": 1.007276945,
            "count": 794839,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.108586228,
            "variance": 0.01179096891
          },
          {
            "average": 1,
            "count": 794839,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 794839,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.94420002,
            "count": 794839,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.24871444,
            "variance": 1.559287753
          },
          {
            "average": 13.68657118,
            "count": 794839,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.325562801,
            "variance": 86.96612155
          },
          {
            "average": 215.25674,
            "count": 794839,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.74323944,
            "variance": 5004.605926
          },
          {
            "average": 3.365631279,
            "count": 794839,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.426494415,
            "variance": 2.034886315
          },
          {
            "average": 63574310.58,
            "count": 794839,
            "maximum": 63586998.88,
            "minimum": 62895059.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 32420.01279,
            "variance": 1051057229
          },
          {
            "average": 0,
            "count": 794839,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 794839,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 794839,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 794839,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 794839,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          593999.6879,
          2351998.466,
          -53.99070479,
          594999.6679,
          2352998.466,
          10.40929521
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                593999.6879418034,
                2351998.465789092,
                -53.990704793387934
              ],
              [
                593999.6879418034,
                2352998.465789092,
                -53.990704793387934
              ],
              [
                594999.6679418033,
                2352998.465789092,
                10.409295206612075
              ],
              [
                594999.6679418033,
                2351998.465789092,
                10.409295206612075
              ],
              [
                593999.6879418034,
                2351998.465789092,
                -53.990704793387934
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:49:58+00:00",
        "end_time": "2013-09-11T00:37:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9452.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9452.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9452.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9452.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0939429,
            21.26722935,
            -53.99070479,
            -158.0842492,
            21.27631571,
            10.40929521
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.09394289967867,
                  21.267281460095614,
                  -53.990704793387934
                ],
                [
                  -158.0938875757606,
                  21.276315706255527,
                  -53.990704793387934
                ],
                [
                  -158.08424917981566,
                  21.276263570739758,
                  10.409295206612075
                ],
                [
                  -158.08430508683057,
                  21.267229354680186,
                  10.409295206612075
                ],
                [
                  -158.09394289967867,
                  21.267281460095614,
                  -53.990704793387934
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9452.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9452.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:49:58Z",
            "pc:count": 794839,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 594499.2804,
                "count": 794839,
                "maximum": 594999.6679,
                "minimum": 593999.6879,
                "name": "X",
                "position": 0,
                "stddev": 286.9681074,
                "variance": 82350.69466
              },
              {
                "average": 2352609.165,
                "count": 794839,
                "maximum": 2352998.466,
                "minimum": 2351998.466,
                "name": "Y",
                "position": 1,
                "stddev": 285.526061,
                "variance": 81525.13154
              },
              {
                "average": -23.97189354,
                "count": 794839,
                "maximum": 10.40929521,
                "minimum": -53.99070479,
                "name": "Z",
                "position": 2,
                "stddev": 6.72442298,
                "variance": 45.21786441
              },
              {
                "average": 728.3357045,
                "count": 794839,
                "maximum": 8473,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 657.9288204,
                "variance": 432870.3327
              },
              {
                "average": 1.004421021,
                "count": 794839,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07528046185,
                "variance": 0.005667147937
              },
              {
                "average": 1.007276945,
                "count": 794839,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.108586228,
                "variance": 0.01179096891
              },
              {
                "average": 1,
                "count": 794839,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 794839,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.94420002,
                "count": 794839,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.24871444,
                "variance": 1.559287753
              },
              {
                "average": 13.68657118,
                "count": 794839,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.325562801,
                "variance": 86.96612155
              },
              {
                "average": 215.25674,
                "count": 794839,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.74323944,
                "variance": 5004.605926
              },
              {
                "average": 3.365631279,
                "count": 794839,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.426494415,
                "variance": 2.034886315
              },
              {
                "average": 63574310.58,
                "count": 794839,
                "maximum": 63586998.88,
                "minimum": 62895059.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 32420.01279,
                "variance": 1051057229
              },
              {
                "average": 0,
                "count": 794839,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 794839,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 794839,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 794839,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 794839,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              593999.6879,
              2351998.466,
              -53.99070479,
              594999.6679,
              2352998.466,
              10.40929521
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    593999.6879418034,
                    2351998.465789092,
                    -53.990704793387934
                  ],
                  [
                    593999.6879418034,
                    2352998.465789092,
                    -53.990704793387934
                  ],
                  [
                    594999.6679418033,
                    2352998.465789092,
                    10.409295206612075
                  ],
                  [
                    594999.6679418033,
                    2351998.465789092,
                    10.409295206612075
                  ],
                  [
                    593999.6879418034,
                    2351998.465789092,
                    -53.990704793387934
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:49:58+00:00",
            "end_time": "2013-09-11T00:37:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8964.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.14150361725285,
              21.3759449363413,
              0.886444887256893
            ],
            [
              -158.14147258783743,
              21.381266276719153,
              0.886444887256893
            ],
            [
              -158.13736029095134,
              21.381245180043237,
              23.766444887256892
            ],
            [
              -158.13739146872607,
              21.375923845553636,
              23.766444887256892
            ],
            [
              -158.14150361725285,
              21.3759449363413,
              0.886444887256893
            ]
          ]
        ]
      },
      "bbox": [
        -158.1415036,
        21.37592385,
        0.8864448873,
        -158.1373603,
        21.38126628,
        23.76644489
      ],
      "properties": {
        "datetime": "2013-09-10T23:07:56Z",
        "pc:count": 2018767,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 589150.0323,
            "count": 2018767,
            "maximum": 589425.9953,
            "minimum": 588999.6553,
            "name": "X",
            "position": 0,
            "stddev": 94.9828279,
            "variance": 9021.737597
          },
          {
            "average": 2364164.426,
            "count": 2018767,
            "maximum": 2364587.474,
            "minimum": 2363998.454,
            "name": "Y",
            "position": 1,
            "stddev": 129.9453658,
            "variance": 16885.79809
          },
          {
            "average": 8.337879149,
            "count": 2018767,
            "maximum": 23.76644489,
            "minimum": 0.8864448873,
            "name": "Z",
            "position": 2,
            "stddev": 4.074422502,
            "variance": 16.60091872
          },
          {
            "average": 16.93050907,
            "count": 2018767,
            "maximum": 809,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.19751306,
            "variance": 1780.630108
          },
          {
            "average": 2.039402764,
            "count": 2018767,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.197869677,
            "variance": 1.434891764
          },
          {
            "average": 3.079455925,
            "count": 2018767,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.617024013,
            "variance": 2.61476666
          },
          {
            "average": 1,
            "count": 2018767,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2018767,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.116521124,
            "count": 2018767,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3208488783,
            "variance": 0.1029440027
          },
          {
            "average": 20.01159259,
            "count": 2018767,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.592420423,
            "variance": 6.720643651
          },
          {
            "average": 90.99263214,
            "count": 2018767,
            "maximum": 199,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.27102236,
            "variance": 4525.39045
          },
          {
            "average": 1.270978275,
            "count": 2018767,
            "maximum": 2,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4444650127,
            "variance": 0.1975491475
          },
          {
            "average": 62794108.63,
            "count": 2018767,
            "maximum": 62889676.08,
            "minimum": 62715630.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86264.42332,
            "variance": 7441550731
          },
          {
            "average": 0,
            "count": 2018767,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2018767,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2018767,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2018767,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2018767,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          588999.6553,
          2363998.454,
          0.8864448873,
          589425.9953,
          2364587.474,
          23.76644489
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                588999.6552667938,
                2363998.4535778677,
                0.886444887256893
              ],
              [
                588999.6552667938,
                2364587.4735778673,
                0.886444887256893
              ],
              [
                589425.9952667939,
                2364587.4735778673,
                23.766444887256892
              ],
              [
                589425.9952667939,
                2363998.4535778677,
                23.766444887256892
              ],
              [
                588999.6552667938,
                2363998.4535778677,
                0.886444887256893
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:07:56+00:00",
        "end_time": "2013-09-08T22:47:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8964.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8964.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8964.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8964.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1415036,
            21.37592385,
            0.8864448873,
            -158.1373603,
            21.38126628,
            23.76644489
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.14150361725285,
                  21.3759449363413,
                  0.886444887256893
                ],
                [
                  -158.14147258783743,
                  21.381266276719153,
                  0.886444887256893
                ],
                [
                  -158.13736029095134,
                  21.381245180043237,
                  23.766444887256892
                ],
                [
                  -158.13739146872607,
                  21.375923845553636,
                  23.766444887256892
                ],
                [
                  -158.14150361725285,
                  21.3759449363413,
                  0.886444887256893
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8964.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8964.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:07:56Z",
            "pc:count": 2018767,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 589150.0323,
                "count": 2018767,
                "maximum": 589425.9953,
                "minimum": 588999.6553,
                "name": "X",
                "position": 0,
                "stddev": 94.9828279,
                "variance": 9021.737597
              },
              {
                "average": 2364164.426,
                "count": 2018767,
                "maximum": 2364587.474,
                "minimum": 2363998.454,
                "name": "Y",
                "position": 1,
                "stddev": 129.9453658,
                "variance": 16885.79809
              },
              {
                "average": 8.337879149,
                "count": 2018767,
                "maximum": 23.76644489,
                "minimum": 0.8864448873,
                "name": "Z",
                "position": 2,
                "stddev": 4.074422502,
                "variance": 16.60091872
              },
              {
                "average": 16.93050907,
                "count": 2018767,
                "maximum": 809,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.19751306,
                "variance": 1780.630108
              },
              {
                "average": 2.039402764,
                "count": 2018767,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.197869677,
                "variance": 1.434891764
              },
              {
                "average": 3.079455925,
                "count": 2018767,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.617024013,
                "variance": 2.61476666
              },
              {
                "average": 1,
                "count": 2018767,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2018767,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.116521124,
                "count": 2018767,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3208488783,
                "variance": 0.1029440027
              },
              {
                "average": 20.01159259,
                "count": 2018767,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.592420423,
                "variance": 6.720643651
              },
              {
                "average": 90.99263214,
                "count": 2018767,
                "maximum": 199,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.27102236,
                "variance": 4525.39045
              },
              {
                "average": 1.270978275,
                "count": 2018767,
                "maximum": 2,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4444650127,
                "variance": 0.1975491475
              },
              {
                "average": 62794108.63,
                "count": 2018767,
                "maximum": 62889676.08,
                "minimum": 62715630.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86264.42332,
                "variance": 7441550731
              },
              {
                "average": 0,
                "count": 2018767,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2018767,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2018767,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2018767,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2018767,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              588999.6553,
              2363998.454,
              0.8864448873,
              589425.9953,
              2364587.474,
              23.76644489
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    588999.6552667938,
                    2363998.4535778677,
                    0.886444887256893
                  ],
                  [
                    588999.6552667938,
                    2364587.4735778673,
                    0.886444887256893
                  ],
                  [
                    589425.9952667939,
                    2364587.4735778673,
                    23.766444887256892
                  ],
                  [
                    589425.9952667939,
                    2363998.4535778677,
                    23.766444887256892
                  ],
                  [
                    588999.6552667938,
                    2363998.4535778677,
                    0.886444887256893
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:07:56+00:00",
            "end_time": "2013-09-08T22:47:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0798.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.96167718761944,
              21.68293397976724,
              0.737543440046966
            ],
            [
              -157.96161854164095,
              21.691118257761566,
              0.737543440046966
            ],
            [
              -157.95599067284977,
              21.69108292527843,
              14.697543440046967
            ],
            [
              -157.9560496370418,
              21.68289866181914,
              14.697543440046967
            ],
            [
              -157.96167718761944,
              21.68293397976724,
              0.737543440046966
            ]
          ]
        ]
      },
      "bbox": [
        -157.9616772,
        21.68289866,
        0.73754344,
        -157.9559907,
        21.69111826,
        14.69754344
      ],
      "properties": {
        "datetime": "2013-09-22T01:53:16Z",
        "pc:count": 1188241,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 607814.2632,
            "count": 1188241,
            "maximum": 607999.7432,
            "minimum": 607417.4832,
            "name": "X",
            "position": 0,
            "stddev": 141.5383912,
            "variance": 20033.11618
          },
          {
            "average": 2398721.779,
            "count": 1188241,
            "maximum": 2398998.498,
            "minimum": 2398092.498,
            "name": "Y",
            "position": 1,
            "stddev": 213.9925495,
            "variance": 45792.81126
          },
          {
            "average": 2.573840218,
            "count": 1188241,
            "maximum": 14.69754344,
            "minimum": 0.73754344,
            "name": "Z",
            "position": 2,
            "stddev": 1.395397184,
            "variance": 1.947133301
          },
          {
            "average": 25.18935805,
            "count": 1188241,
            "maximum": 498,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.41468562,
            "variance": 596.0768741
          },
          {
            "average": 1.068693977,
            "count": 1188241,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3075415092,
            "variance": 0.09458177988
          },
          {
            "average": 1.138423098,
            "count": 1188241,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4631856816,
            "variance": 0.2145409756
          },
          {
            "average": 1,
            "count": 1188241,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1188241,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.365882847,
            "count": 1188241,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4816770542,
            "variance": 0.2320127845
          },
          {
            "average": 20.25553571,
            "count": 1188241,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.794925247,
            "variance": 7.811607134
          },
          {
            "average": 92.54032473,
            "count": 1188241,
            "maximum": 192,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.00104067,
            "variance": 3969.131125
          },
          {
            "average": 9.513809909,
            "count": 1188241,
            "maximum": 10,
            "minimum": 8,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6493926363,
            "variance": 0.4217107961
          },
          {
            "average": 63849636.76,
            "count": 1188241,
            "maximum": 63849996.49,
            "minimum": 63848531.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 469.3614599,
            "variance": 220300.18
          },
          {
            "average": 0,
            "count": 1188241,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1188241,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1188241,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1188241,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1188241,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          607417.4832,
          2398092.498,
          0.73754344,
          607999.7432,
          2398998.498,
          14.69754344
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                607417.4832471047,
                2398092.4975362173,
                0.737543440046966
              ],
              [
                607417.4832471047,
                2398998.4975362173,
                0.737543440046966
              ],
              [
                607999.7432471047,
                2398998.4975362173,
                14.697543440046967
              ],
              [
                607999.7432471047,
                2398092.4975362173,
                14.697543440046967
              ],
              [
                607417.4832471047,
                2398092.4975362173,
                0.737543440046966
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:53:16+00:00",
        "end_time": "2013-09-22T01:28:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0798.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0798.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0798.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0798.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9616772,
            21.68289866,
            0.73754344,
            -157.9559907,
            21.69111826,
            14.69754344
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.96167718761944,
                  21.68293397976724,
                  0.737543440046966
                ],
                [
                  -157.96161854164095,
                  21.691118257761566,
                  0.737543440046966
                ],
                [
                  -157.95599067284977,
                  21.69108292527843,
                  14.697543440046967
                ],
                [
                  -157.9560496370418,
                  21.68289866181914,
                  14.697543440046967
                ],
                [
                  -157.96167718761944,
                  21.68293397976724,
                  0.737543440046966
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0798.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0798.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:53:16Z",
            "pc:count": 1188241,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 607814.2632,
                "count": 1188241,
                "maximum": 607999.7432,
                "minimum": 607417.4832,
                "name": "X",
                "position": 0,
                "stddev": 141.5383912,
                "variance": 20033.11618
              },
              {
                "average": 2398721.779,
                "count": 1188241,
                "maximum": 2398998.498,
                "minimum": 2398092.498,
                "name": "Y",
                "position": 1,
                "stddev": 213.9925495,
                "variance": 45792.81126
              },
              {
                "average": 2.573840218,
                "count": 1188241,
                "maximum": 14.69754344,
                "minimum": 0.73754344,
                "name": "Z",
                "position": 2,
                "stddev": 1.395397184,
                "variance": 1.947133301
              },
              {
                "average": 25.18935805,
                "count": 1188241,
                "maximum": 498,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.41468562,
                "variance": 596.0768741
              },
              {
                "average": 1.068693977,
                "count": 1188241,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3075415092,
                "variance": 0.09458177988
              },
              {
                "average": 1.138423098,
                "count": 1188241,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4631856816,
                "variance": 0.2145409756
              },
              {
                "average": 1,
                "count": 1188241,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1188241,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.365882847,
                "count": 1188241,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4816770542,
                "variance": 0.2320127845
              },
              {
                "average": 20.25553571,
                "count": 1188241,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.794925247,
                "variance": 7.811607134
              },
              {
                "average": 92.54032473,
                "count": 1188241,
                "maximum": 192,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.00104067,
                "variance": 3969.131125
              },
              {
                "average": 9.513809909,
                "count": 1188241,
                "maximum": 10,
                "minimum": 8,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6493926363,
                "variance": 0.4217107961
              },
              {
                "average": 63849636.76,
                "count": 1188241,
                "maximum": 63849996.49,
                "minimum": 63848531.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 469.3614599,
                "variance": 220300.18
              },
              {
                "average": 0,
                "count": 1188241,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1188241,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1188241,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1188241,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1188241,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              607417.4832,
              2398092.498,
              0.73754344,
              607999.7432,
              2398998.498,
              14.69754344
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    607417.4832471047,
                    2398092.4975362173,
                    0.737543440046966
                  ],
                  [
                    607417.4832471047,
                    2398998.4975362173,
                    0.737543440046966
                  ],
                  [
                    607999.7432471047,
                    2398998.4975362173,
                    14.697543440046967
                  ],
                  [
                    607999.7432471047,
                    2398092.4975362173,
                    14.697543440046967
                  ],
                  [
                    607417.4832471047,
                    2398092.4975362173,
                    0.737543440046966
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:53:16+00:00",
            "end_time": "2013-09-22T01:28:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0699.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.96777812706034,
              21.697117248767118,
              0.863873995141978
            ],
            [
              -157.96775622262166,
              21.700190419651953,
              0.863873995141978
            ],
            [
              -157.96559196240025,
              21.700176930402233,
              9.66387399514198
            ],
            [
              -157.96561391281097,
              21.697103761601255,
              9.66387399514198
            ],
            [
              -157.96777812706034,
              21.697117248767118,
              0.863873995141978
            ]
          ]
        ]
      },
      "bbox": [
        -157.9677781,
        21.69710376,
        0.8638739951,
        -157.965592,
        21.70019042,
        9.663873995
      ],
      "properties": {
        "datetime": "2013-09-22T01:52:49Z",
        "pc:count": 175534,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 606913.356,
            "count": 175534,
            "maximum": 606999.7191,
            "minimum": 606775.8191,
            "name": "X",
            "position": 0,
            "stddev": 58.19807753,
            "variance": 3387.016228
          },
          {
            "average": 2399867.124,
            "count": 175534,
            "maximum": 2399998.5,
            "minimum": 2399658.3,
            "name": "Y",
            "position": 1,
            "stddev": 87.65919234,
            "variance": 7684.134002
          },
          {
            "average": 3.92437988,
            "count": 175534,
            "maximum": 9.663873995,
            "minimum": 0.8638739951,
            "name": "Z",
            "position": 2,
            "stddev": 1.949475808,
            "variance": 3.800455927
          },
          {
            "average": 15.9496166,
            "count": 175534,
            "maximum": 299,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.11094277,
            "variance": 445.6719045
          },
          {
            "average": 1.202433717,
            "count": 175534,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4964063936,
            "variance": 0.2464193076
          },
          {
            "average": 1.403448904,
            "count": 175534,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7067064604,
            "variance": 0.4994340211
          },
          {
            "average": 1,
            "count": 175534,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 175534,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.155929905,
            "count": 175534,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3627899113,
            "variance": 0.1316165198
          },
          {
            "average": 20.25592701,
            "count": 175534,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.093065298,
            "variance": 4.38092234
          },
          {
            "average": 92.69490241,
            "count": 175534,
            "maximum": 191,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.84228617,
            "variance": 4204.522076
          },
          {
            "average": 9.991722401,
            "count": 175534,
            "maximum": 10,
            "minimum": 9,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.09060423152,
            "variance": 0.008209126769
          },
          {
            "average": 63849959.46,
            "count": 175534,
            "maximum": 63849969.18,
            "minimum": 63849246.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 65.12987422,
            "variance": 4241.900516
          },
          {
            "average": 0,
            "count": 175534,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 175534,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 175534,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 175534,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 175534,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          606775.8191,
          2399658.3,
          0.8638739951,
          606999.7191,
          2399998.5,
          9.663873995
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                606775.8190651734,
                2399658.299567505,
                0.863873995141978
              ],
              [
                606775.8190651734,
                2399998.499567505,
                0.863873995141978
              ],
              [
                606999.7190651733,
                2399998.499567505,
                9.66387399514198
              ],
              [
                606999.7190651733,
                2399658.299567505,
                9.66387399514198
              ],
              [
                606775.8190651734,
                2399658.299567505,
                0.863873995141978
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:52:49+00:00",
        "end_time": "2013-09-22T01:40:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0699.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0699.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0699.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0699.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9677781,
            21.69710376,
            0.8638739951,
            -157.965592,
            21.70019042,
            9.663873995
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.96777812706034,
                  21.697117248767118,
                  0.863873995141978
                ],
                [
                  -157.96775622262166,
                  21.700190419651953,
                  0.863873995141978
                ],
                [
                  -157.96559196240025,
                  21.700176930402233,
                  9.66387399514198
                ],
                [
                  -157.96561391281097,
                  21.697103761601255,
                  9.66387399514198
                ],
                [
                  -157.96777812706034,
                  21.697117248767118,
                  0.863873995141978
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0699.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0699.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:52:49Z",
            "pc:count": 175534,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 606913.356,
                "count": 175534,
                "maximum": 606999.7191,
                "minimum": 606775.8191,
                "name": "X",
                "position": 0,
                "stddev": 58.19807753,
                "variance": 3387.016228
              },
              {
                "average": 2399867.124,
                "count": 175534,
                "maximum": 2399998.5,
                "minimum": 2399658.3,
                "name": "Y",
                "position": 1,
                "stddev": 87.65919234,
                "variance": 7684.134002
              },
              {
                "average": 3.92437988,
                "count": 175534,
                "maximum": 9.663873995,
                "minimum": 0.8638739951,
                "name": "Z",
                "position": 2,
                "stddev": 1.949475808,
                "variance": 3.800455927
              },
              {
                "average": 15.9496166,
                "count": 175534,
                "maximum": 299,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.11094277,
                "variance": 445.6719045
              },
              {
                "average": 1.202433717,
                "count": 175534,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4964063936,
                "variance": 0.2464193076
              },
              {
                "average": 1.403448904,
                "count": 175534,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7067064604,
                "variance": 0.4994340211
              },
              {
                "average": 1,
                "count": 175534,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 175534,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.155929905,
                "count": 175534,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3627899113,
                "variance": 0.1316165198
              },
              {
                "average": 20.25592701,
                "count": 175534,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.093065298,
                "variance": 4.38092234
              },
              {
                "average": 92.69490241,
                "count": 175534,
                "maximum": 191,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.84228617,
                "variance": 4204.522076
              },
              {
                "average": 9.991722401,
                "count": 175534,
                "maximum": 10,
                "minimum": 9,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.09060423152,
                "variance": 0.008209126769
              },
              {
                "average": 63849959.46,
                "count": 175534,
                "maximum": 63849969.18,
                "minimum": 63849246.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 65.12987422,
                "variance": 4241.900516
              },
              {
                "average": 0,
                "count": 175534,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 175534,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 175534,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 175534,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 175534,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              606775.8191,
              2399658.3,
              0.8638739951,
              606999.7191,
              2399998.5,
              9.663873995
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    606775.8190651734,
                    2399658.299567505,
                    0.863873995141978
                  ],
                  [
                    606775.8190651734,
                    2399998.499567505,
                    0.863873995141978
                  ],
                  [
                    606999.7190651733,
                    2399998.499567505,
                    9.66387399514198
                  ],
                  [
                    606999.7190651733,
                    2399658.299567505,
                    9.66387399514198
                  ],
                  [
                    606775.8190651734,
                    2399658.299567505,
                    0.863873995141978
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:52:49+00:00",
            "end_time": "2013-09-22T01:40:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8469.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.18948126582066,
              21.421356477410328,
              -12.957803829043762
            ],
            [
              -158.1894313176236,
              21.43039080590961,
              -12.957803829043762
            ],
            [
              -158.17978241637675,
              21.430343811917265,
              38.44219617095624
            ],
            [
              -158.17983295403806,
              21.42130950545439,
              38.44219617095624
            ],
            [
              -158.18948126582066,
              21.421356477410328,
              -12.957803829043762
            ]
          ]
        ]
      },
      "bbox": [
        -158.1894813,
        21.42130951,
        -12.95780383,
        -158.1797824,
        21.43039081,
        38.44219617
      ],
      "properties": {
        "datetime": "2013-09-18T20:51:39Z",
        "pc:count": 9056709,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584512.6042,
            "count": 9056709,
            "maximum": 584999.6421,
            "minimum": 583999.6421,
            "name": "X",
            "position": 0,
            "stddev": 294.881937,
            "variance": 86955.35679
          },
          {
            "average": 2369507.687,
            "count": 9056709,
            "maximum": 2369998.459,
            "minimum": 2368998.459,
            "name": "Y",
            "position": 1,
            "stddev": 292.1989006,
            "variance": 85380.1975
          },
          {
            "average": -4.815356449,
            "count": 9056709,
            "maximum": 38.44219617,
            "minimum": -12.95780383,
            "name": "Z",
            "position": 2,
            "stddev": 5.091595935,
            "variance": 25.92434917
          },
          {
            "average": 13.79981702,
            "count": 9056709,
            "maximum": 8910,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 37.10339272,
            "variance": 1376.661751
          },
          {
            "average": 1.048965027,
            "count": 9056709,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2878232587,
            "variance": 0.08284222824
          },
          {
            "average": 1.096838929,
            "count": 9056709,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4535761093,
            "variance": 0.2057312869
          },
          {
            "average": 1,
            "count": 9056709,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9056709,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.88984155,
            "count": 9056709,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.357910041,
            "variance": 54.13884017
          },
          {
            "average": 19.99316848,
            "count": 9056709,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.92513767,
            "variance": 8.556430388
          },
          {
            "average": 89.23134099,
            "count": 9056709,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.6435467,
            "variance": 4441.362317
          },
          {
            "average": 5.258305638,
            "count": 9056709,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.29844381,
            "variance": 5.282843948
          },
          {
            "average": 62895236.89,
            "count": 9056709,
            "maximum": 63572699.91,
            "minimum": 62716176.94,
            "name": "GpsTime",
            "position": 12,
            "stddev": 285820.4869,
            "variance": 81693350750.0
          },
          {
            "average": 0,
            "count": 9056709,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9056709,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9056709,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9056709,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9056709,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583999.6421,
          2368998.459,
          -12.95780383,
          584999.6421,
          2369998.459,
          38.44219617
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583999.6421207804,
                2368998.459479863,
                -12.957803829043762
              ],
              [
                583999.6421207804,
                2369998.459479863,
                -12.957803829043762
              ],
              [
                584999.6421207804,
                2369998.459479863,
                38.44219617095624
              ],
              [
                584999.6421207804,
                2368998.459479863,
                38.44219617095624
              ],
              [
                583999.6421207804,
                2368998.459479863,
                -12.957803829043762
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:51:39+00:00",
        "end_time": "2013-09-08T22:56:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8469.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8469.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8469.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8469.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1894813,
            21.42130951,
            -12.95780383,
            -158.1797824,
            21.43039081,
            38.44219617
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.18948126582066,
                  21.421356477410328,
                  -12.957803829043762
                ],
                [
                  -158.1894313176236,
                  21.43039080590961,
                  -12.957803829043762
                ],
                [
                  -158.17978241637675,
                  21.430343811917265,
                  38.44219617095624
                ],
                [
                  -158.17983295403806,
                  21.42130950545439,
                  38.44219617095624
                ],
                [
                  -158.18948126582066,
                  21.421356477410328,
                  -12.957803829043762
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8469.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8469.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:51:39Z",
            "pc:count": 9056709,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584512.6042,
                "count": 9056709,
                "maximum": 584999.6421,
                "minimum": 583999.6421,
                "name": "X",
                "position": 0,
                "stddev": 294.881937,
                "variance": 86955.35679
              },
              {
                "average": 2369507.687,
                "count": 9056709,
                "maximum": 2369998.459,
                "minimum": 2368998.459,
                "name": "Y",
                "position": 1,
                "stddev": 292.1989006,
                "variance": 85380.1975
              },
              {
                "average": -4.815356449,
                "count": 9056709,
                "maximum": 38.44219617,
                "minimum": -12.95780383,
                "name": "Z",
                "position": 2,
                "stddev": 5.091595935,
                "variance": 25.92434917
              },
              {
                "average": 13.79981702,
                "count": 9056709,
                "maximum": 8910,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 37.10339272,
                "variance": 1376.661751
              },
              {
                "average": 1.048965027,
                "count": 9056709,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2878232587,
                "variance": 0.08284222824
              },
              {
                "average": 1.096838929,
                "count": 9056709,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4535761093,
                "variance": 0.2057312869
              },
              {
                "average": 1,
                "count": 9056709,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9056709,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.88984155,
                "count": 9056709,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.357910041,
                "variance": 54.13884017
              },
              {
                "average": 19.99316848,
                "count": 9056709,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.92513767,
                "variance": 8.556430388
              },
              {
                "average": 89.23134099,
                "count": 9056709,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.6435467,
                "variance": 4441.362317
              },
              {
                "average": 5.258305638,
                "count": 9056709,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.29844381,
                "variance": 5.282843948
              },
              {
                "average": 62895236.89,
                "count": 9056709,
                "maximum": 63572699.91,
                "minimum": 62716176.94,
                "name": "GpsTime",
                "position": 12,
                "stddev": 285820.4869,
                "variance": 81693350750.0
              },
              {
                "average": 0,
                "count": 9056709,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9056709,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9056709,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9056709,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9056709,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583999.6421,
              2368998.459,
              -12.95780383,
              584999.6421,
              2369998.459,
              38.44219617
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583999.6421207804,
                    2368998.459479863,
                    -12.957803829043762
                  ],
                  [
                    583999.6421207804,
                    2369998.459479863,
                    -12.957803829043762
                  ],
                  [
                    584999.6421207804,
                    2369998.459479863,
                    38.44219617095624
                  ],
                  [
                    584999.6421207804,
                    2368998.459479863,
                    38.44219617095624
                  ],
                  [
                    583999.6421207804,
                    2368998.459479863,
                    -12.957803829043762
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:51:39+00:00",
            "end_time": "2013-09-08T22:56:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0754.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.96848329464353,
              21.290598016560068,
              -53.31530180444959
            ],
            [
              -157.96846191809624,
              21.29366248378787,
              -53.31530180444959
            ],
            [
              -157.96024127700449,
              21.29361191542663,
              -15.735301804449591
            ],
            [
              -157.96026282371415,
              21.29054745582762,
              -15.735301804449591
            ],
            [
              -157.96848329464353,
              21.290598016560068,
              -53.31530180444959
            ]
          ]
        ]
      },
      "bbox": [
        -157.9684833,
        21.29054746,
        -53.3153018,
        -157.9602413,
        21.29366248,
        -15.7353018
      ],
      "properties": {
        "datetime": "2013-09-17T12:16:45Z",
        "pc:count": 113540,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 607252.9546,
            "count": 113540,
            "maximum": 607852.5524,
            "minimum": 606999.7324,
            "name": "X",
            "position": 0,
            "stddev": 155.1586698,
            "variance": 24074.21281
          },
          {
            "average": 2354883.684,
            "count": 113540,
            "maximum": 2354998.436,
            "minimum": 2354659.216,
            "name": "Y",
            "position": 1,
            "stddev": 83.82220341,
            "variance": 7026.161785
          },
          {
            "average": -28.91023073,
            "count": 113540,
            "maximum": -15.7353018,
            "minimum": -53.3153018,
            "name": "Z",
            "position": 2,
            "stddev": 7.604689496,
            "variance": 57.83130233
          },
          {
            "average": 453.7577418,
            "count": 113540,
            "maximum": 2276,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 370.1756915,
            "variance": 137030.0426
          },
          {
            "average": 1.022820151,
            "count": 113540,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1495073037,
            "variance": 0.02235243386
          },
          {
            "average": 1.022872996,
            "count": 113540,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1496758647,
            "variance": 0.02240286447
          },
          {
            "average": 1,
            "count": 113540,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 113540,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 113540,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 113540,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 244.8038224,
            "count": 113540,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 26.75400008,
            "variance": 715.7765203
          },
          {
            "average": 5.11336093,
            "count": 113540,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.711702737,
            "variance": 7.353331732
          },
          {
            "average": 63315133.33,
            "count": 113540,
            "maximum": 63455405.49,
            "minimum": 63275580.83,
            "name": "GpsTime",
            "position": 12,
            "stddev": 70572.27157,
            "variance": 4980445515
          },
          {
            "average": 0,
            "count": 113540,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 113540,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 113540,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 113540,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 113540,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          606999.7324,
          2354659.216,
          -53.3153018,
          607852.5524,
          2354998.436,
          -15.7353018
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                606999.73238946,
                2354659.215926187,
                -53.31530180444959
              ],
              [
                606999.73238946,
                2354998.435926187,
                -53.31530180444959
              ],
              [
                607852.55238946,
                2354998.435926187,
                -15.735301804449591
              ],
              [
                607852.55238946,
                2354659.215926187,
                -15.735301804449591
              ],
              [
                606999.73238946,
                2354659.215926187,
                -53.31530180444959
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:16:45+00:00",
        "end_time": "2013-09-15T10:19:40+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0754.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0754.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0754.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0754.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9684833,
            21.29054746,
            -53.3153018,
            -157.9602413,
            21.29366248,
            -15.7353018
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.96848329464353,
                  21.290598016560068,
                  -53.31530180444959
                ],
                [
                  -157.96846191809624,
                  21.29366248378787,
                  -53.31530180444959
                ],
                [
                  -157.96024127700449,
                  21.29361191542663,
                  -15.735301804449591
                ],
                [
                  -157.96026282371415,
                  21.29054745582762,
                  -15.735301804449591
                ],
                [
                  -157.96848329464353,
                  21.290598016560068,
                  -53.31530180444959
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0754.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0754.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:16:45Z",
            "pc:count": 113540,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 607252.9546,
                "count": 113540,
                "maximum": 607852.5524,
                "minimum": 606999.7324,
                "name": "X",
                "position": 0,
                "stddev": 155.1586698,
                "variance": 24074.21281
              },
              {
                "average": 2354883.684,
                "count": 113540,
                "maximum": 2354998.436,
                "minimum": 2354659.216,
                "name": "Y",
                "position": 1,
                "stddev": 83.82220341,
                "variance": 7026.161785
              },
              {
                "average": -28.91023073,
                "count": 113540,
                "maximum": -15.7353018,
                "minimum": -53.3153018,
                "name": "Z",
                "position": 2,
                "stddev": 7.604689496,
                "variance": 57.83130233
              },
              {
                "average": 453.7577418,
                "count": 113540,
                "maximum": 2276,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 370.1756915,
                "variance": 137030.0426
              },
              {
                "average": 1.022820151,
                "count": 113540,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1495073037,
                "variance": 0.02235243386
              },
              {
                "average": 1.022872996,
                "count": 113540,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1496758647,
                "variance": 0.02240286447
              },
              {
                "average": 1,
                "count": 113540,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 113540,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 113540,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 113540,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 244.8038224,
                "count": 113540,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 26.75400008,
                "variance": 715.7765203
              },
              {
                "average": 5.11336093,
                "count": 113540,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.711702737,
                "variance": 7.353331732
              },
              {
                "average": 63315133.33,
                "count": 113540,
                "maximum": 63455405.49,
                "minimum": 63275580.83,
                "name": "GpsTime",
                "position": 12,
                "stddev": 70572.27157,
                "variance": 4980445515
              },
              {
                "average": 0,
                "count": 113540,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 113540,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 113540,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 113540,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 113540,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              606999.7324,
              2354659.216,
              -53.3153018,
              607852.5524,
              2354998.436,
              -15.7353018
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    606999.73238946,
                    2354659.215926187,
                    -53.31530180444959
                  ],
                  [
                    606999.73238946,
                    2354998.435926187,
                    -53.31530180444959
                  ],
                  [
                    607852.55238946,
                    2354998.435926187,
                    -15.735301804449591
                  ],
                  [
                    607852.55238946,
                    2354659.215926187,
                    -15.735301804449591
                  ],
                  [
                    606999.73238946,
                    2354659.215926187,
                    -53.31530180444959
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:16:45+00:00",
            "end_time": "2013-09-15T10:19:40+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0999.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.94632521408386,
              21.69102179139486,
              -17.998893684999253
            ],
            [
              -157.9462594961359,
              21.700055157438417,
              -17.998893684999253
            ],
            [
              -157.93659320158505,
              21.69999343800037,
              -2.598893684999253
            ],
            [
              -157.93665952315482,
              21.690960099959405,
              -2.598893684999253
            ],
            [
              -157.94632521408386,
              21.69102179139486,
              -17.998893684999253
            ]
          ]
        ]
      },
      "bbox": [
        -157.9463252,
        21.6909601,
        -17.99889368,
        -157.9365932,
        21.70005516,
        -2.598893685
      ],
      "properties": {
        "datetime": "2013-09-22T00:55:09Z",
        "pc:count": 1784981,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609412.2083,
            "count": 1784981,
            "maximum": 609999.7556,
            "minimum": 608999.7356,
            "name": "X",
            "position": 0,
            "stddev": 266.3360017,
            "variance": 70934.8658
          },
          {
            "average": 2399451.01,
            "count": 1784981,
            "maximum": 2399998.497,
            "minimum": 2398998.497,
            "name": "Y",
            "position": 1,
            "stddev": 272.9654751,
            "variance": 74510.15058
          },
          {
            "average": -8.660823369,
            "count": 1784981,
            "maximum": -2.598893685,
            "minimum": -17.99889368,
            "name": "Z",
            "position": 2,
            "stddev": 3.364882755,
            "variance": 11.32243596
          },
          {
            "average": 19.36662855,
            "count": 1784981,
            "maximum": 8785,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 40.9458473,
            "variance": 1676.562411
          },
          {
            "average": 1.020511143,
            "count": 1784981,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1454471886,
            "variance": 0.02115488467
          },
          {
            "average": 1.021206388,
            "count": 1784981,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1480228478,
            "variance": 0.02191076348
          },
          {
            "average": 1,
            "count": 1784981,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1784981,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1784981,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.97475544,
            "count": 1784981,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.919577654,
            "variance": 24.20224429
          },
          {
            "average": 128.7193931,
            "count": 1784981,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 79.33644747,
            "variance": 6294.271898
          },
          {
            "average": 3.025953778,
            "count": 1784981,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.002210098,
            "variance": 4.008845275
          },
          {
            "average": 63840809.94,
            "count": 1784981,
            "maximum": 63846509.63,
            "minimum": 63832038.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5865.298014,
            "variance": 34401720.79
          },
          {
            "average": 0,
            "count": 1784981,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1784981,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1784981,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1784981,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1784981,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608999.7356,
          2398998.497,
          -17.99889368,
          609999.7556,
          2399998.497,
          -2.598893685
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608999.7356343502,
                2398998.496734526,
                -17.998893684999253
              ],
              [
                608999.7356343502,
                2399998.496734526,
                -17.998893684999253
              ],
              [
                609999.7556343502,
                2399998.496734526,
                -2.598893684999253
              ],
              [
                609999.7556343502,
                2398998.496734526,
                -2.598893684999253
              ],
              [
                608999.7356343502,
                2398998.496734526,
                -17.998893684999253
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:55:09+00:00",
        "end_time": "2013-09-21T20:53:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0999.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0999.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0999.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0999.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9463252,
            21.6909601,
            -17.99889368,
            -157.9365932,
            21.70005516,
            -2.598893685
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.94632521408386,
                  21.69102179139486,
                  -17.998893684999253
                ],
                [
                  -157.9462594961359,
                  21.700055157438417,
                  -17.998893684999253
                ],
                [
                  -157.93659320158505,
                  21.69999343800037,
                  -2.598893684999253
                ],
                [
                  -157.93665952315482,
                  21.690960099959405,
                  -2.598893684999253
                ],
                [
                  -157.94632521408386,
                  21.69102179139486,
                  -17.998893684999253
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0999.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0999.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:55:09Z",
            "pc:count": 1784981,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609412.2083,
                "count": 1784981,
                "maximum": 609999.7556,
                "minimum": 608999.7356,
                "name": "X",
                "position": 0,
                "stddev": 266.3360017,
                "variance": 70934.8658
              },
              {
                "average": 2399451.01,
                "count": 1784981,
                "maximum": 2399998.497,
                "minimum": 2398998.497,
                "name": "Y",
                "position": 1,
                "stddev": 272.9654751,
                "variance": 74510.15058
              },
              {
                "average": -8.660823369,
                "count": 1784981,
                "maximum": -2.598893685,
                "minimum": -17.99889368,
                "name": "Z",
                "position": 2,
                "stddev": 3.364882755,
                "variance": 11.32243596
              },
              {
                "average": 19.36662855,
                "count": 1784981,
                "maximum": 8785,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 40.9458473,
                "variance": 1676.562411
              },
              {
                "average": 1.020511143,
                "count": 1784981,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1454471886,
                "variance": 0.02115488467
              },
              {
                "average": 1.021206388,
                "count": 1784981,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1480228478,
                "variance": 0.02191076348
              },
              {
                "average": 1,
                "count": 1784981,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1784981,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1784981,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.97475544,
                "count": 1784981,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.919577654,
                "variance": 24.20224429
              },
              {
                "average": 128.7193931,
                "count": 1784981,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 79.33644747,
                "variance": 6294.271898
              },
              {
                "average": 3.025953778,
                "count": 1784981,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.002210098,
                "variance": 4.008845275
              },
              {
                "average": 63840809.94,
                "count": 1784981,
                "maximum": 63846509.63,
                "minimum": 63832038.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5865.298014,
                "variance": 34401720.79
              },
              {
                "average": 0,
                "count": 1784981,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1784981,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1784981,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1784981,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1784981,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608999.7356,
              2398998.497,
              -17.99889368,
              609999.7556,
              2399998.497,
              -2.598893685
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608999.7356343502,
                    2398998.496734526,
                    -17.998893684999253
                  ],
                  [
                    608999.7356343502,
                    2399998.496734526,
                    -17.998893684999253
                  ],
                  [
                    609999.7556343502,
                    2399998.496734526,
                    -2.598893684999253
                  ],
                  [
                    609999.7556343502,
                    2398998.496734526,
                    -2.598893684999253
                  ],
                  [
                    608999.7356343502,
                    2398998.496734526,
                    -17.998893684999253
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:55:09+00:00",
            "end_time": "2013-09-21T20:53:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9453.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0938876486671,
              21.276315597444977,
              -17.70238739039587
            ],
            [
              -158.09383231029383,
              21.28534999478145,
              -17.70238739039587
            ],
            [
              -158.0841931346492,
              21.28529783231459,
              -8.202387390395872
            ],
            [
              -158.08424905995756,
              21.27626346088541,
              -8.202387390395872
            ],
            [
              -158.0938876486671,
              21.276315597444977,
              -17.70238739039587
            ]
          ]
        ]
      },
      "bbox": [
        -158.0938876,
        21.27626346,
        -17.70238739,
        -158.0841931,
        21.28534999,
        -8.20238739
      ],
      "properties": {
        "datetime": "2013-09-19T00:27:03Z",
        "pc:count": 3729638,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 594413.7108,
            "count": 3729638,
            "maximum": 594999.6804,
            "minimum": 593999.6804,
            "name": "X",
            "position": 0,
            "stddev": 262.3397609,
            "variance": 68822.15015
          },
          {
            "average": 2353613.647,
            "count": 3729638,
            "maximum": 2353998.474,
            "minimum": 2352998.454,
            "name": "Y",
            "position": 1,
            "stddev": 268.234484,
            "variance": 71949.73839
          },
          {
            "average": -12.02329283,
            "count": 3729638,
            "maximum": -8.20238739,
            "minimum": -17.70238739,
            "name": "Z",
            "position": 2,
            "stddev": 2.089489748,
            "variance": 4.365967409
          },
          {
            "average": 40.53045363,
            "count": 3729638,
            "maximum": 8646,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 88.77097704,
            "variance": 7880.286365
          },
          {
            "average": 1.002948544,
            "count": 3729638,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05444245995,
            "variance": 0.002963981446
          },
          {
            "average": 1.004666405,
            "count": 3729638,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.06853208242,
            "variance": 0.004696646321
          },
          {
            "average": 1,
            "count": 3729638,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3729638,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3729638,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.64278511,
            "count": 3729638,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.710905047,
            "variance": 94.30167683
          },
          {
            "average": 106.0448893,
            "count": 3729638,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 76.80508637,
            "variance": 5899.021292
          },
          {
            "average": 3.498898284,
            "count": 3729638,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.350291302,
            "variance": 5.523869206
          },
          {
            "average": 63480523.43,
            "count": 3729638,
            "maximum": 63585623.87,
            "minimum": 63275754.69,
            "name": "GpsTime",
            "position": 12,
            "stddev": 134695.5691,
            "variance": 18142896330.0
          },
          {
            "average": 0,
            "count": 3729638,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3729638,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3729638,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3729638,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3729638,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          593999.6804,
          2352998.454,
          -17.70238739,
          594999.6804,
          2353998.474,
          -8.20238739
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                593999.6804471721,
                2352998.4537018095,
                -17.70238739039587
              ],
              [
                593999.6804471721,
                2353998.473701809,
                -17.70238739039587
              ],
              [
                594999.6804471721,
                2353998.473701809,
                -8.202387390395872
              ],
              [
                594999.6804471721,
                2352998.4537018095,
                -8.202387390395872
              ],
              [
                593999.6804471721,
                2352998.4537018095,
                -17.70238739039587
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T00:27:03+00:00",
        "end_time": "2013-09-15T10:22:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9453.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9453.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9453.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9453.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0938876,
            21.27626346,
            -17.70238739,
            -158.0841931,
            21.28534999,
            -8.20238739
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0938876486671,
                  21.276315597444977,
                  -17.70238739039587
                ],
                [
                  -158.09383231029383,
                  21.28534999478145,
                  -17.70238739039587
                ],
                [
                  -158.0841931346492,
                  21.28529783231459,
                  -8.202387390395872
                ],
                [
                  -158.08424905995756,
                  21.27626346088541,
                  -8.202387390395872
                ],
                [
                  -158.0938876486671,
                  21.276315597444977,
                  -17.70238739039587
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9453.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9453.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T00:27:03Z",
            "pc:count": 3729638,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 594413.7108,
                "count": 3729638,
                "maximum": 594999.6804,
                "minimum": 593999.6804,
                "name": "X",
                "position": 0,
                "stddev": 262.3397609,
                "variance": 68822.15015
              },
              {
                "average": 2353613.647,
                "count": 3729638,
                "maximum": 2353998.474,
                "minimum": 2352998.454,
                "name": "Y",
                "position": 1,
                "stddev": 268.234484,
                "variance": 71949.73839
              },
              {
                "average": -12.02329283,
                "count": 3729638,
                "maximum": -8.20238739,
                "minimum": -17.70238739,
                "name": "Z",
                "position": 2,
                "stddev": 2.089489748,
                "variance": 4.365967409
              },
              {
                "average": 40.53045363,
                "count": 3729638,
                "maximum": 8646,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 88.77097704,
                "variance": 7880.286365
              },
              {
                "average": 1.002948544,
                "count": 3729638,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05444245995,
                "variance": 0.002963981446
              },
              {
                "average": 1.004666405,
                "count": 3729638,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.06853208242,
                "variance": 0.004696646321
              },
              {
                "average": 1,
                "count": 3729638,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3729638,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3729638,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.64278511,
                "count": 3729638,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.710905047,
                "variance": 94.30167683
              },
              {
                "average": 106.0448893,
                "count": 3729638,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 76.80508637,
                "variance": 5899.021292
              },
              {
                "average": 3.498898284,
                "count": 3729638,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.350291302,
                "variance": 5.523869206
              },
              {
                "average": 63480523.43,
                "count": 3729638,
                "maximum": 63585623.87,
                "minimum": 63275754.69,
                "name": "GpsTime",
                "position": 12,
                "stddev": 134695.5691,
                "variance": 18142896330.0
              },
              {
                "average": 0,
                "count": 3729638,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3729638,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3729638,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3729638,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3729638,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              593999.6804,
              2352998.454,
              -17.70238739,
              594999.6804,
              2353998.474,
              -8.20238739
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    593999.6804471721,
                    2352998.4537018095,
                    -17.70238739039587
                  ],
                  [
                    593999.6804471721,
                    2353998.473701809,
                    -17.70238739039587
                  ],
                  [
                    594999.6804471721,
                    2353998.473701809,
                    -8.202387390395872
                  ],
                  [
                    594999.6804471721,
                    2352998.4537018095,
                    -8.202387390395872
                  ],
                  [
                    593999.6804471721,
                    2352998.4537018095,
                    -17.70238739039587
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T00:27:03+00:00",
            "end_time": "2013-09-15T10:22:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1054.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9395581994693,
              21.29147939899779,
              -45.95995332809483
            ],
            [
              -157.93954383147766,
              21.293482911234566,
              -45.95995332809483
            ],
            [
              -157.92990455215602,
              21.293421916247482,
              -21.05995332809482
            ],
            [
              -157.9299190508448,
              21.291418410208166,
              -21.05995332809482
            ],
            [
              -157.9395581994693,
              21.29147939899779,
              -45.95995332809483
            ]
          ]
        ]
      },
      "bbox": [
        -157.9395582,
        21.29141841,
        -45.95995333,
        -157.9299046,
        21.29348291,
        -21.05995333
      ],
      "properties": {
        "datetime": "2013-09-15T10:34:59Z",
        "pc:count": 84644,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610449.3359,
            "count": 84644,
            "maximum": 610999.7412,
            "minimum": 609999.7412,
            "name": "X",
            "position": 0,
            "stddev": 292.8793886,
            "variance": 85778.33629
          },
          {
            "average": 2354896.531,
            "count": 84644,
            "maximum": 2354998.446,
            "minimum": 2354776.666,
            "name": "Y",
            "position": 1,
            "stddev": 69.05342415,
            "variance": 4768.375387
          },
          {
            "average": -31.20617728,
            "count": 84644,
            "maximum": -21.05995333,
            "minimum": -45.95995333,
            "name": "Z",
            "position": 2,
            "stddev": 4.967037422,
            "variance": 24.67146075
          },
          {
            "average": 509.7567341,
            "count": 84644,
            "maximum": 2375,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 480.419733,
            "variance": 230803.1199
          },
          {
            "average": 1.019812391,
            "count": 84644,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.139610083,
            "variance": 0.01949097528
          },
          {
            "average": 1.020922924,
            "count": 84644,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.143786045,
            "variance": 0.02067442672
          },
          {
            "average": 1,
            "count": 84644,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84644,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 84644,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84644,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 249.1653277,
            "count": 84644,
            "maximum": 252,
            "minimum": 63,
            "name": "UserData",
            "position": 10,
            "stddev": 1.705280911,
            "variance": 2.907982985
          },
          {
            "average": 6.244600917,
            "count": 84644,
            "maximum": 8,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6552688744,
            "variance": 0.4293772978
          },
          {
            "average": 63275656.23,
            "count": 84644,
            "maximum": 63276499.21,
            "minimum": 63275529.28,
            "name": "GpsTime",
            "position": 12,
            "stddev": 312.6980845,
            "variance": 97780.09202
          },
          {
            "average": 0,
            "count": 84644,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84644,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84644,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84644,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84644,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.7412,
          2354776.666,
          -45.95995333,
          610999.7412,
          2354998.446,
          -21.05995333
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.7412063498,
                2354776.666476671,
                -45.95995332809483
              ],
              [
                609999.7412063498,
                2354998.4464766714,
                -45.95995332809483
              ],
              [
                610999.7412063498,
                2354998.4464766714,
                -21.05995332809482
              ],
              [
                610999.7412063498,
                2354776.666476671,
                -21.05995332809482
              ],
              [
                609999.7412063498,
                2354776.666476671,
                -45.95995332809483
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:34:59+00:00",
        "end_time": "2013-09-15T10:18:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1054.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1054.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1054.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1054.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9395582,
            21.29141841,
            -45.95995333,
            -157.9299046,
            21.29348291,
            -21.05995333
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9395581994693,
                  21.29147939899779,
                  -45.95995332809483
                ],
                [
                  -157.93954383147766,
                  21.293482911234566,
                  -45.95995332809483
                ],
                [
                  -157.92990455215602,
                  21.293421916247482,
                  -21.05995332809482
                ],
                [
                  -157.9299190508448,
                  21.291418410208166,
                  -21.05995332809482
                ],
                [
                  -157.9395581994693,
                  21.29147939899779,
                  -45.95995332809483
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1054.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1054.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:34:59Z",
            "pc:count": 84644,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610449.3359,
                "count": 84644,
                "maximum": 610999.7412,
                "minimum": 609999.7412,
                "name": "X",
                "position": 0,
                "stddev": 292.8793886,
                "variance": 85778.33629
              },
              {
                "average": 2354896.531,
                "count": 84644,
                "maximum": 2354998.446,
                "minimum": 2354776.666,
                "name": "Y",
                "position": 1,
                "stddev": 69.05342415,
                "variance": 4768.375387
              },
              {
                "average": -31.20617728,
                "count": 84644,
                "maximum": -21.05995333,
                "minimum": -45.95995333,
                "name": "Z",
                "position": 2,
                "stddev": 4.967037422,
                "variance": 24.67146075
              },
              {
                "average": 509.7567341,
                "count": 84644,
                "maximum": 2375,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 480.419733,
                "variance": 230803.1199
              },
              {
                "average": 1.019812391,
                "count": 84644,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.139610083,
                "variance": 0.01949097528
              },
              {
                "average": 1.020922924,
                "count": 84644,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.143786045,
                "variance": 0.02067442672
              },
              {
                "average": 1,
                "count": 84644,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84644,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 84644,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84644,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 249.1653277,
                "count": 84644,
                "maximum": 252,
                "minimum": 63,
                "name": "UserData",
                "position": 10,
                "stddev": 1.705280911,
                "variance": 2.907982985
              },
              {
                "average": 6.244600917,
                "count": 84644,
                "maximum": 8,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6552688744,
                "variance": 0.4293772978
              },
              {
                "average": 63275656.23,
                "count": 84644,
                "maximum": 63276499.21,
                "minimum": 63275529.28,
                "name": "GpsTime",
                "position": 12,
                "stddev": 312.6980845,
                "variance": 97780.09202
              },
              {
                "average": 0,
                "count": 84644,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84644,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84644,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84644,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84644,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.7412,
              2354776.666,
              -45.95995333,
              610999.7412,
              2354998.446,
              -21.05995333
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.7412063498,
                    2354776.666476671,
                    -45.95995332809483
                  ],
                  [
                    609999.7412063498,
                    2354998.4464766714,
                    -45.95995332809483
                  ],
                  [
                    610999.7412063498,
                    2354998.4464766714,
                    -21.05995332809482
                  ],
                  [
                    610999.7412063498,
                    2354776.666476671,
                    -21.05995332809482
                  ],
                  [
                    609999.7412063498,
                    2354776.666476671,
                    -45.95995332809483
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:34:59+00:00",
            "end_time": "2013-09-15T10:18:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0799.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.96565648016724,
              21.691143457373744,
              -3.362814504228965
            ],
            [
              -157.96559196925267,
              21.700176878680512,
              -3.362814504228965
            ],
            [
              -157.95592560558802,
              21.700116285959485,
              23.637185495771035
            ],
            [
              -157.95599071999345,
              21.69108289216104,
              23.637185495771035
            ],
            [
              -157.96565648016724,
              21.691143457373744,
              -3.362814504228965
            ]
          ]
        ]
      },
      "bbox": [
        -157.9656565,
        21.69108289,
        -3.362814504,
        -157.9559256,
        21.70017688,
        23.6371855
      ],
      "properties": {
        "datetime": "2013-09-22T01:53:03Z",
        "pc:count": 4704956,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 607543.6252,
            "count": 4704956,
            "maximum": 607999.7384,
            "minimum": 606999.7184,
            "name": "X",
            "position": 0,
            "stddev": 263.0485913,
            "variance": 69194.56138
          },
          {
            "average": 2399538.768,
            "count": 4704956,
            "maximum": 2399998.494,
            "minimum": 2398998.494,
            "name": "Y",
            "position": 1,
            "stddev": 282.1446961,
            "variance": 79605.62952
          },
          {
            "average": 4.34146619,
            "count": 4704956,
            "maximum": 23.6371855,
            "minimum": -3.362814504,
            "name": "Z",
            "position": 2,
            "stddev": 2.545852007,
            "variance": 6.48136244
          },
          {
            "average": 22.73437711,
            "count": 4704956,
            "maximum": 1018,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 37.174198,
            "variance": 1381.920997
          },
          {
            "average": 1.214800308,
            "count": 4704956,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5469301215,
            "variance": 0.2991325578
          },
          {
            "average": 1.429777239,
            "count": 4704956,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.807496899,
            "variance": 0.6520512419
          },
          {
            "average": 1,
            "count": 4704956,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4704956,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.461361594,
            "count": 4704956,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.733075521,
            "variance": 7.469701803
          },
          {
            "average": 20.07531491,
            "count": 4704956,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.938573558,
            "variance": 8.635214555
          },
          {
            "average": 92.53815466,
            "count": 4704956,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.81138695,
            "variance": 4200.515878
          },
          {
            "average": 8.63938345,
            "count": 4704956,
            "maximum": 10,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.096458448,
            "variance": 1.202221128
          },
          {
            "average": 63849002.92,
            "count": 4704956,
            "maximum": 63849983.86,
            "minimum": 63846779.62,
            "name": "GpsTime",
            "position": 12,
            "stddev": 765.1980988,
            "variance": 585528.1305
          },
          {
            "average": 0,
            "count": 4704956,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4704956,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4704956,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4704956,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4704956,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          606999.7184,
          2398998.494,
          -3.362814504,
          607999.7384,
          2399998.494,
          23.6371855
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                606999.7183945216,
                2398998.493837428,
                -3.362814504228965
              ],
              [
                606999.7183945216,
                2399998.493837428,
                -3.362814504228965
              ],
              [
                607999.7383945216,
                2399998.493837428,
                23.637185495771035
              ],
              [
                607999.7383945216,
                2398998.493837428,
                23.637185495771035
              ],
              [
                606999.7183945216,
                2398998.493837428,
                -3.362814504228965
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:53:03+00:00",
        "end_time": "2013-09-22T00:59:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0799.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0799.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0799.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0799.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9656565,
            21.69108289,
            -3.362814504,
            -157.9559256,
            21.70017688,
            23.6371855
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.96565648016724,
                  21.691143457373744,
                  -3.362814504228965
                ],
                [
                  -157.96559196925267,
                  21.700176878680512,
                  -3.362814504228965
                ],
                [
                  -157.95592560558802,
                  21.700116285959485,
                  23.637185495771035
                ],
                [
                  -157.95599071999345,
                  21.69108289216104,
                  23.637185495771035
                ],
                [
                  -157.96565648016724,
                  21.691143457373744,
                  -3.362814504228965
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0799.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0799.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:53:03Z",
            "pc:count": 4704956,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 607543.6252,
                "count": 4704956,
                "maximum": 607999.7384,
                "minimum": 606999.7184,
                "name": "X",
                "position": 0,
                "stddev": 263.0485913,
                "variance": 69194.56138
              },
              {
                "average": 2399538.768,
                "count": 4704956,
                "maximum": 2399998.494,
                "minimum": 2398998.494,
                "name": "Y",
                "position": 1,
                "stddev": 282.1446961,
                "variance": 79605.62952
              },
              {
                "average": 4.34146619,
                "count": 4704956,
                "maximum": 23.6371855,
                "minimum": -3.362814504,
                "name": "Z",
                "position": 2,
                "stddev": 2.545852007,
                "variance": 6.48136244
              },
              {
                "average": 22.73437711,
                "count": 4704956,
                "maximum": 1018,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 37.174198,
                "variance": 1381.920997
              },
              {
                "average": 1.214800308,
                "count": 4704956,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5469301215,
                "variance": 0.2991325578
              },
              {
                "average": 1.429777239,
                "count": 4704956,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.807496899,
                "variance": 0.6520512419
              },
              {
                "average": 1,
                "count": 4704956,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4704956,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.461361594,
                "count": 4704956,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.733075521,
                "variance": 7.469701803
              },
              {
                "average": 20.07531491,
                "count": 4704956,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.938573558,
                "variance": 8.635214555
              },
              {
                "average": 92.53815466,
                "count": 4704956,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.81138695,
                "variance": 4200.515878
              },
              {
                "average": 8.63938345,
                "count": 4704956,
                "maximum": 10,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.096458448,
                "variance": 1.202221128
              },
              {
                "average": 63849002.92,
                "count": 4704956,
                "maximum": 63849983.86,
                "minimum": 63846779.62,
                "name": "GpsTime",
                "position": 12,
                "stddev": 765.1980988,
                "variance": 585528.1305
              },
              {
                "average": 0,
                "count": 4704956,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4704956,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4704956,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4704956,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4704956,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              606999.7184,
              2398998.494,
              -3.362814504,
              607999.7384,
              2399998.494,
              23.6371855
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    606999.7183945216,
                    2398998.493837428,
                    -3.362814504228965
                  ],
                  [
                    606999.7183945216,
                    2399998.493837428,
                    -3.362814504228965
                  ],
                  [
                    607999.7383945216,
                    2399998.493837428,
                    23.637185495771035
                  ],
                  [
                    607999.7383945216,
                    2398998.493837428,
                    23.637185495771035
                  ],
                  [
                    606999.7183945216,
                    2398998.493837428,
                    -3.362814504228965
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:53:03+00:00",
            "end_time": "2013-09-22T00:59:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0755.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9684619173378,
              21.29366256599789,
              -50.51299892319081
            ],
            [
              -157.96839887483253,
              21.30269642301596,
              -50.51299892319081
            ],
            [
              -157.95875892547147,
              21.3026370603446,
              -3.752998923190805
            ],
            [
              -157.95882255683335,
              21.29360322983718,
              -3.752998923190805
            ],
            [
              -157.9684619173378,
              21.29366256599789,
              -50.51299892319081
            ]
          ]
        ]
      },
      "bbox": [
        -157.9684619,
        21.29360323,
        -50.51299892,
        -157.9587589,
        21.30269642,
        -3.752998923
      ],
      "properties": {
        "datetime": "2013-09-17T12:16:45Z",
        "pc:count": 3452761,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 607460.0093,
            "count": 3452761,
            "maximum": 607999.7324,
            "minimum": 606999.7324,
            "name": "X",
            "position": 0,
            "stddev": 283.4743554,
            "variance": 80357.71015
          },
          {
            "average": 2355659.226,
            "count": 3452761,
            "maximum": 2355998.445,
            "minimum": 2354998.445,
            "name": "Y",
            "position": 1,
            "stddev": 220.8596746,
            "variance": 48778.99586
          },
          {
            "average": -10.999405,
            "count": 3452761,
            "maximum": -3.752998923,
            "minimum": -50.51299892,
            "name": "Z",
            "position": 2,
            "stddev": 5.476099786,
            "variance": 29.98766887
          },
          {
            "average": 51.21955733,
            "count": 3452761,
            "maximum": 1536,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 106.9304129,
            "variance": 11434.11321
          },
          {
            "average": 1.004022578,
            "count": 3452761,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06345605989,
            "variance": 0.004026671537
          },
          {
            "average": 1.007410012,
            "count": 3452761,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08612586356,
            "variance": 0.007417664375
          },
          {
            "average": 1,
            "count": 3452761,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3452761,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3452761,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3452761,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 114.0759806,
            "count": 3452761,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 82.99182408,
            "variance": 6887.642864
          },
          {
            "average": 8.300096937,
            "count": 3452761,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.48177254,
            "variance": 30.04983018
          },
          {
            "average": 63389601.82,
            "count": 3452761,
            "maximum": 63455405.71,
            "minimum": 63276525.79,
            "name": "GpsTime",
            "position": 12,
            "stddev": 49192.67735,
            "variance": 2419919505
          },
          {
            "average": 0,
            "count": 3452761,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3452761,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3452761,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3452761,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3452761,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          606999.7324,
          2354998.445,
          -50.51299892,
          607999.7324,
          2355998.445,
          -3.752998923
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                606999.7324086411,
                2354998.4450265197,
                -50.51299892319081
              ],
              [
                606999.7324086411,
                2355998.4450265197,
                -50.51299892319081
              ],
              [
                607999.7324086411,
                2355998.4450265197,
                -3.752998923190805
              ],
              [
                607999.7324086411,
                2354998.4450265197,
                -3.752998923190805
              ],
              [
                606999.7324086411,
                2354998.4450265197,
                -50.51299892319081
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:16:45+00:00",
        "end_time": "2013-09-15T10:35:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0755.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0755.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0755.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0755.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9684619,
            21.29360323,
            -50.51299892,
            -157.9587589,
            21.30269642,
            -3.752998923
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9684619173378,
                  21.29366256599789,
                  -50.51299892319081
                ],
                [
                  -157.96839887483253,
                  21.30269642301596,
                  -50.51299892319081
                ],
                [
                  -157.95875892547147,
                  21.3026370603446,
                  -3.752998923190805
                ],
                [
                  -157.95882255683335,
                  21.29360322983718,
                  -3.752998923190805
                ],
                [
                  -157.9684619173378,
                  21.29366256599789,
                  -50.51299892319081
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0755.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0755.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:16:45Z",
            "pc:count": 3452761,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 607460.0093,
                "count": 3452761,
                "maximum": 607999.7324,
                "minimum": 606999.7324,
                "name": "X",
                "position": 0,
                "stddev": 283.4743554,
                "variance": 80357.71015
              },
              {
                "average": 2355659.226,
                "count": 3452761,
                "maximum": 2355998.445,
                "minimum": 2354998.445,
                "name": "Y",
                "position": 1,
                "stddev": 220.8596746,
                "variance": 48778.99586
              },
              {
                "average": -10.999405,
                "count": 3452761,
                "maximum": -3.752998923,
                "minimum": -50.51299892,
                "name": "Z",
                "position": 2,
                "stddev": 5.476099786,
                "variance": 29.98766887
              },
              {
                "average": 51.21955733,
                "count": 3452761,
                "maximum": 1536,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 106.9304129,
                "variance": 11434.11321
              },
              {
                "average": 1.004022578,
                "count": 3452761,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06345605989,
                "variance": 0.004026671537
              },
              {
                "average": 1.007410012,
                "count": 3452761,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08612586356,
                "variance": 0.007417664375
              },
              {
                "average": 1,
                "count": 3452761,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3452761,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3452761,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3452761,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 114.0759806,
                "count": 3452761,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 82.99182408,
                "variance": 6887.642864
              },
              {
                "average": 8.300096937,
                "count": 3452761,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.48177254,
                "variance": 30.04983018
              },
              {
                "average": 63389601.82,
                "count": 3452761,
                "maximum": 63455405.71,
                "minimum": 63276525.79,
                "name": "GpsTime",
                "position": 12,
                "stddev": 49192.67735,
                "variance": 2419919505
              },
              {
                "average": 0,
                "count": 3452761,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3452761,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3452761,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3452761,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3452761,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              606999.7324,
              2354998.445,
              -50.51299892,
              607999.7324,
              2355998.445,
              -3.752998923
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    606999.7324086411,
                    2354998.4450265197,
                    -50.51299892319081
                  ],
                  [
                    606999.7324086411,
                    2355998.4450265197,
                    -50.51299892319081
                  ],
                  [
                    607999.7324086411,
                    2355998.4450265197,
                    -3.752998923190805
                  ],
                  [
                    607999.7324086411,
                    2354998.4450265197,
                    -3.752998923190805
                  ],
                  [
                    606999.7324086411,
                    2354998.4450265197,
                    -50.51299892319081
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:16:45+00:00",
            "end_time": "2013-09-15T10:35:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0355.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0070198202958,
              21.293894285440658,
              -10.396499985786548
            ],
            [
              -158.0069591313811,
              21.302928425183715,
              -10.396499985786548
            ],
            [
              -157.99731905140672,
              21.302871263235026,
              -1.396499985786549
            ],
            [
              -157.99738032927965,
              21.293837149361167,
              -1.396499985786549
            ],
            [
              -158.0070198202958,
              21.293894285440658,
              -10.396499985786548
            ]
          ]
        ]
      },
      "bbox": [
        -158.0070198,
        21.29383715,
        -10.39649999,
        -157.9973191,
        21.30292843,
        -1.396499986
      ],
      "properties": {
        "datetime": "2013-09-17T12:06:50Z",
        "pc:count": 6346441,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 603491.7752,
            "count": 6346441,
            "maximum": 603999.7139,
            "minimum": 602999.7139,
            "name": "X",
            "position": 0,
            "stddev": 285.914491,
            "variance": 81747.09615
          },
          {
            "average": 2355434.795,
            "count": 6346441,
            "maximum": 2355998.453,
            "minimum": 2354998.433,
            "name": "Y",
            "position": 1,
            "stddev": 273.7704118,
            "variance": 74950.23839
          },
          {
            "average": -4.453227503,
            "count": 6346441,
            "maximum": -1.396499986,
            "minimum": -10.39649999,
            "name": "Z",
            "position": 2,
            "stddev": 1.405269064,
            "variance": 1.974781143
          },
          {
            "average": 8.168123362,
            "count": 6346441,
            "maximum": 2134,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.94447202,
            "variance": 438.6709084
          },
          {
            "average": 1.008924845,
            "count": 6346441,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09446513844,
            "variance": 0.00892366238
          },
          {
            "average": 1.014638756,
            "count": 6346441,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1206738576,
            "variance": 0.0145621799
          },
          {
            "average": 1,
            "count": 6346441,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6346441,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 6346441,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6346441,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.57774964,
            "count": 6346441,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 64.40350111,
            "variance": 4147.810956
          },
          {
            "average": 8.656409159,
            "count": 6346441,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.991861542,
            "variance": 24.91868166
          },
          {
            "average": 63385917.7,
            "count": 6346441,
            "maximum": 63454810.41,
            "minimum": 63292607.51,
            "name": "GpsTime",
            "position": 12,
            "stddev": 44772.3485,
            "variance": 2004563190
          },
          {
            "average": 0,
            "count": 6346441,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6346441,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6346441,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6346441,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6346441,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          602999.7139,
          2354998.433,
          -10.39649999,
          603999.7139,
          2355998.453,
          -1.396499986
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                602999.7138681879,
                2354998.4333451195,
                -10.396499985786548
              ],
              [
                602999.7138681879,
                2355998.453345119,
                -10.396499985786548
              ],
              [
                603999.7138681879,
                2355998.453345119,
                -1.396499985786549
              ],
              [
                603999.7138681879,
                2354998.4333451195,
                -1.396499985786549
              ],
              [
                602999.7138681879,
                2354998.4333451195,
                -10.396499985786548
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:06:50+00:00",
        "end_time": "2013-09-15T15:03:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0355.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0355.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0355.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0355.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0070198,
            21.29383715,
            -10.39649999,
            -157.9973191,
            21.30292843,
            -1.396499986
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0070198202958,
                  21.293894285440658,
                  -10.396499985786548
                ],
                [
                  -158.0069591313811,
                  21.302928425183715,
                  -10.396499985786548
                ],
                [
                  -157.99731905140672,
                  21.302871263235026,
                  -1.396499985786549
                ],
                [
                  -157.99738032927965,
                  21.293837149361167,
                  -1.396499985786549
                ],
                [
                  -158.0070198202958,
                  21.293894285440658,
                  -10.396499985786548
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0355.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0355.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:06:50Z",
            "pc:count": 6346441,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 603491.7752,
                "count": 6346441,
                "maximum": 603999.7139,
                "minimum": 602999.7139,
                "name": "X",
                "position": 0,
                "stddev": 285.914491,
                "variance": 81747.09615
              },
              {
                "average": 2355434.795,
                "count": 6346441,
                "maximum": 2355998.453,
                "minimum": 2354998.433,
                "name": "Y",
                "position": 1,
                "stddev": 273.7704118,
                "variance": 74950.23839
              },
              {
                "average": -4.453227503,
                "count": 6346441,
                "maximum": -1.396499986,
                "minimum": -10.39649999,
                "name": "Z",
                "position": 2,
                "stddev": 1.405269064,
                "variance": 1.974781143
              },
              {
                "average": 8.168123362,
                "count": 6346441,
                "maximum": 2134,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.94447202,
                "variance": 438.6709084
              },
              {
                "average": 1.008924845,
                "count": 6346441,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09446513844,
                "variance": 0.00892366238
              },
              {
                "average": 1.014638756,
                "count": 6346441,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1206738576,
                "variance": 0.0145621799
              },
              {
                "average": 1,
                "count": 6346441,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6346441,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 6346441,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6346441,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.57774964,
                "count": 6346441,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 64.40350111,
                "variance": 4147.810956
              },
              {
                "average": 8.656409159,
                "count": 6346441,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.991861542,
                "variance": 24.91868166
              },
              {
                "average": 63385917.7,
                "count": 6346441,
                "maximum": 63454810.41,
                "minimum": 63292607.51,
                "name": "GpsTime",
                "position": 12,
                "stddev": 44772.3485,
                "variance": 2004563190
              },
              {
                "average": 0,
                "count": 6346441,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6346441,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6346441,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6346441,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6346441,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              602999.7139,
              2354998.433,
              -10.39649999,
              603999.7139,
              2355998.453,
              -1.396499986
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    602999.7138681879,
                    2354998.4333451195,
                    -10.396499985786548
                  ],
                  [
                    602999.7138681879,
                    2355998.453345119,
                    -10.396499985786548
                  ],
                  [
                    603999.7138681879,
                    2355998.453345119,
                    -1.396499985786549
                  ],
                  [
                    603999.7138681879,
                    2354998.4333451195,
                    -1.396499985786549
                  ],
                  [
                    602999.7138681879,
                    2354998.4333451195,
                    -10.396499985786548
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:06:50+00:00",
            "end_time": "2013-09-15T15:03:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1055.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.93954382442666,
              21.2934829248553,
              -31.906410735889622
            ],
            [
              -157.93947901506272,
              21.302516700856746,
              -31.906410735889622
            ],
            [
              -157.92983914658475,
              21.30245567787334,
              -0.08641073588962
            ],
            [
              -157.92990454510414,
              21.293421929867776,
              -0.08641073588962
            ],
            [
              -157.93954382442666,
              21.2934829248553,
              -31.906410735889622
            ]
          ]
        ]
      },
      "bbox": [
        -157.9395438,
        21.29342193,
        -31.90641074,
        -157.9298391,
        21.3025167,
        -0.08641073589
      ],
      "properties": {
        "datetime": "2013-09-17T12:16:04Z",
        "pc:count": 2423619,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610515.8012,
            "count": 2423619,
            "maximum": 610999.7419,
            "minimum": 609999.7419,
            "name": "X",
            "position": 0,
            "stddev": 282.271129,
            "variance": 79676.99025
          },
          {
            "average": 2355660.28,
            "count": 2423619,
            "maximum": 2355998.448,
            "minimum": 2354998.448,
            "name": "Y",
            "position": 1,
            "stddev": 233.7743214,
            "variance": 54650.43336
          },
          {
            "average": -8.909383711,
            "count": 2423619,
            "maximum": -0.08641073589,
            "minimum": -31.90641074,
            "name": "Z",
            "position": 2,
            "stddev": 5.722854447,
            "variance": 32.75106302
          },
          {
            "average": 20.62945537,
            "count": 2423619,
            "maximum": 739,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 38.0853469,
            "variance": 1450.493649
          },
          {
            "average": 1.00935048,
            "count": 2423619,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09678341143,
            "variance": 0.009367028728
          },
          {
            "average": 1.014890954,
            "count": 2423619,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1220531794,
            "variance": 0.01489697859
          },
          {
            "average": 1,
            "count": 2423619,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2423619,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2423619,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2423619,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 141.4336226,
            "count": 2423619,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 89.06143839,
            "variance": 7931.939808
          },
          {
            "average": 6.97672489,
            "count": 2423619,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.506620018,
            "variance": 30.32286402
          },
          {
            "average": 63376895.07,
            "count": 2423619,
            "maximum": 63455364.5,
            "minimum": 63275529.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 65230.68734,
            "variance": 4255042571
          },
          {
            "average": 0,
            "count": 2423619,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2423619,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2423619,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2423619,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2423619,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.7419,
          2354998.448,
          -31.90641074,
          610999.7419,
          2355998.448,
          -0.08641073589
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.7419276678,
                2354998.4479892747,
                -31.906410735889622
              ],
              [
                609999.7419276678,
                2355998.4479892747,
                -31.906410735889622
              ],
              [
                610999.7419276678,
                2355998.4479892747,
                -0.08641073588962
              ],
              [
                610999.7419276678,
                2354998.4479892747,
                -0.08641073588962
              ],
              [
                609999.7419276678,
                2354998.4479892747,
                -31.906410735889622
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:16:04+00:00",
        "end_time": "2013-09-15T10:18:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1055.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1055.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1055.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1055.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9395438,
            21.29342193,
            -31.90641074,
            -157.9298391,
            21.3025167,
            -0.08641073589
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.93954382442666,
                  21.2934829248553,
                  -31.906410735889622
                ],
                [
                  -157.93947901506272,
                  21.302516700856746,
                  -31.906410735889622
                ],
                [
                  -157.92983914658475,
                  21.30245567787334,
                  -0.08641073588962
                ],
                [
                  -157.92990454510414,
                  21.293421929867776,
                  -0.08641073588962
                ],
                [
                  -157.93954382442666,
                  21.2934829248553,
                  -31.906410735889622
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1055.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1055.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:16:04Z",
            "pc:count": 2423619,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610515.8012,
                "count": 2423619,
                "maximum": 610999.7419,
                "minimum": 609999.7419,
                "name": "X",
                "position": 0,
                "stddev": 282.271129,
                "variance": 79676.99025
              },
              {
                "average": 2355660.28,
                "count": 2423619,
                "maximum": 2355998.448,
                "minimum": 2354998.448,
                "name": "Y",
                "position": 1,
                "stddev": 233.7743214,
                "variance": 54650.43336
              },
              {
                "average": -8.909383711,
                "count": 2423619,
                "maximum": -0.08641073589,
                "minimum": -31.90641074,
                "name": "Z",
                "position": 2,
                "stddev": 5.722854447,
                "variance": 32.75106302
              },
              {
                "average": 20.62945537,
                "count": 2423619,
                "maximum": 739,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 38.0853469,
                "variance": 1450.493649
              },
              {
                "average": 1.00935048,
                "count": 2423619,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09678341143,
                "variance": 0.009367028728
              },
              {
                "average": 1.014890954,
                "count": 2423619,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1220531794,
                "variance": 0.01489697859
              },
              {
                "average": 1,
                "count": 2423619,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2423619,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2423619,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2423619,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 141.4336226,
                "count": 2423619,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 89.06143839,
                "variance": 7931.939808
              },
              {
                "average": 6.97672489,
                "count": 2423619,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.506620018,
                "variance": 30.32286402
              },
              {
                "average": 63376895.07,
                "count": 2423619,
                "maximum": 63455364.5,
                "minimum": 63275529.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 65230.68734,
                "variance": 4255042571
              },
              {
                "average": 0,
                "count": 2423619,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2423619,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2423619,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2423619,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2423619,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.7419,
              2354998.448,
              -31.90641074,
              610999.7419,
              2355998.448,
              -0.08641073589
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.7419276678,
                    2354998.4479892747,
                    -31.906410735889622
                  ],
                  [
                    609999.7419276678,
                    2355998.4479892747,
                    -31.906410735889622
                  ],
                  [
                    610999.7419276678,
                    2355998.4479892747,
                    -0.08641073588962
                  ],
                  [
                    610999.7419276678,
                    2354998.4479892747,
                    -0.08641073588962
                  ],
                  [
                    609999.7419276678,
                    2354998.4479892747,
                    -31.906410735889622
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:16:04+00:00",
            "end_time": "2013-09-15T10:18:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9896.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.05282583587402,
              21.664562047298755,
              -14.245172878443974
            ],
            [
              -158.05276684773577,
              21.67359591509607,
              -14.245172878443974
            ],
            [
              -158.04310199348538,
              21.67354046944203,
              70.05482712155603
            ],
            [
              -158.043161584058,
              21.664506626777147,
              70.05482712155603
            ],
            [
              -158.05282583587402,
              21.664562047298755,
              -14.245172878443974
            ]
          ]
        ]
      },
      "bbox": [
        -158.0528258,
        21.66450663,
        -14.24517288,
        -158.043102,
        21.67359592,
        70.05482712
      ],
      "properties": {
        "datetime": "2013-09-09T21:58:36Z",
        "pc:count": 6058397,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 598509.8068,
            "count": 6058397,
            "maximum": 598999.6658,
            "minimum": 597999.6458,
            "name": "X",
            "position": 0,
            "stddev": 266.2098462,
            "variance": 70867.68224
          },
          {
            "average": 2396468.524,
            "count": 6058397,
            "maximum": 2396998.501,
            "minimum": 2395998.481,
            "name": "Y",
            "position": 1,
            "stddev": 284.2804492,
            "variance": 80815.37378
          },
          {
            "average": 5.52814941,
            "count": 6058397,
            "maximum": 70.05482712,
            "minimum": -14.24517288,
            "name": "Z",
            "position": 2,
            "stddev": 12.49689321,
            "variance": 156.1723399
          },
          {
            "average": 12.22387886,
            "count": 6058397,
            "maximum": 7148,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.21075556,
            "variance": 912.6897515
          },
          {
            "average": 1.484838316,
            "count": 6058397,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.885511013,
            "variance": 0.7841297541
          },
          {
            "average": 1.905974138,
            "count": 6058397,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.286354681,
            "variance": 1.654708366
          },
          {
            "average": 1,
            "count": 6058397,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6058397,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.22890758,
            "count": 6058397,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.80347881,
            "variance": 190.5360272
          },
          {
            "average": 20.01160125,
            "count": 6058397,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.095203287,
            "variance": 9.580283387
          },
          {
            "average": 90.89750622,
            "count": 6058397,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.08464153,
            "variance": 4367.179846
          },
          {
            "average": 7.378594206,
            "count": 6058397,
            "maximum": 9,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.494849495,
            "variance": 2.234575012
          },
          {
            "average": 62798533.47,
            "count": 6058397,
            "maximum": 62799116.27,
            "minimum": 62796899.42,
            "name": "GpsTime",
            "position": 12,
            "stddev": 557.792852,
            "variance": 311132.8657
          },
          {
            "average": 0,
            "count": 6058397,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6058397,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6058397,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6058397,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6058397,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          597999.6458,
          2395998.481,
          -14.24517288,
          598999.6658,
          2396998.501,
          70.05482712
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                597999.6457735228,
                2395998.480659118,
                -14.245172878443974
              ],
              [
                597999.6457735228,
                2396998.5006591175,
                -14.245172878443974
              ],
              [
                598999.6657735228,
                2396998.5006591175,
                70.05482712155603
              ],
              [
                598999.6657735228,
                2395998.480659118,
                70.05482712155603
              ],
              [
                597999.6457735228,
                2395998.480659118,
                -14.245172878443974
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:58:36+00:00",
        "end_time": "2013-09-09T21:21:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9896.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9896.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9896.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9896.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0528258,
            21.66450663,
            -14.24517288,
            -158.043102,
            21.67359592,
            70.05482712
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.05282583587402,
                  21.664562047298755,
                  -14.245172878443974
                ],
                [
                  -158.05276684773577,
                  21.67359591509607,
                  -14.245172878443974
                ],
                [
                  -158.04310199348538,
                  21.67354046944203,
                  70.05482712155603
                ],
                [
                  -158.043161584058,
                  21.664506626777147,
                  70.05482712155603
                ],
                [
                  -158.05282583587402,
                  21.664562047298755,
                  -14.245172878443974
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9896.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9896.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:58:36Z",
            "pc:count": 6058397,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 598509.8068,
                "count": 6058397,
                "maximum": 598999.6658,
                "minimum": 597999.6458,
                "name": "X",
                "position": 0,
                "stddev": 266.2098462,
                "variance": 70867.68224
              },
              {
                "average": 2396468.524,
                "count": 6058397,
                "maximum": 2396998.501,
                "minimum": 2395998.481,
                "name": "Y",
                "position": 1,
                "stddev": 284.2804492,
                "variance": 80815.37378
              },
              {
                "average": 5.52814941,
                "count": 6058397,
                "maximum": 70.05482712,
                "minimum": -14.24517288,
                "name": "Z",
                "position": 2,
                "stddev": 12.49689321,
                "variance": 156.1723399
              },
              {
                "average": 12.22387886,
                "count": 6058397,
                "maximum": 7148,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.21075556,
                "variance": 912.6897515
              },
              {
                "average": 1.484838316,
                "count": 6058397,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.885511013,
                "variance": 0.7841297541
              },
              {
                "average": 1.905974138,
                "count": 6058397,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.286354681,
                "variance": 1.654708366
              },
              {
                "average": 1,
                "count": 6058397,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6058397,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.22890758,
                "count": 6058397,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.80347881,
                "variance": 190.5360272
              },
              {
                "average": 20.01160125,
                "count": 6058397,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.095203287,
                "variance": 9.580283387
              },
              {
                "average": 90.89750622,
                "count": 6058397,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.08464153,
                "variance": 4367.179846
              },
              {
                "average": 7.378594206,
                "count": 6058397,
                "maximum": 9,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.494849495,
                "variance": 2.234575012
              },
              {
                "average": 62798533.47,
                "count": 6058397,
                "maximum": 62799116.27,
                "minimum": 62796899.42,
                "name": "GpsTime",
                "position": 12,
                "stddev": 557.792852,
                "variance": 311132.8657
              },
              {
                "average": 0,
                "count": 6058397,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6058397,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6058397,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6058397,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6058397,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              597999.6458,
              2395998.481,
              -14.24517288,
              598999.6658,
              2396998.501,
              70.05482712
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    597999.6457735228,
                    2395998.480659118,
                    -14.245172878443974
                  ],
                  [
                    597999.6457735228,
                    2396998.5006591175,
                    -14.245172878443974
                  ],
                  [
                    598999.6657735228,
                    2396998.5006591175,
                    70.05482712155603
                  ],
                  [
                    598999.6657735228,
                    2395998.480659118,
                    70.05482712155603
                  ],
                  [
                    597999.6457735228,
                    2395998.480659118,
                    -14.245172878443974
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:58:36+00:00",
            "end_time": "2013-09-09T21:21:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9288.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11125292515854,
              21.59261156783028,
              -28.726491984313533
            ],
            [
              -158.1111977687251,
              21.601645664872734,
              -28.726491984313533
            ],
            [
              -158.10153771645562,
              21.601593789270844,
              33.41350801568647
            ],
            [
              -158.10159347232678,
              21.592559715794227,
              33.41350801568647
            ],
            [
              -158.11125292515854,
              21.59261156783028,
              -28.726491984313533
            ]
          ]
        ]
      },
      "bbox": [
        -158.1112529,
        21.59255972,
        -28.72649198,
        -158.1015377,
        21.60164566,
        33.41350802
      ],
      "properties": {
        "datetime": "2013-09-22T23:59:00Z",
        "pc:count": 7675974,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592660.9965,
            "count": 7675974,
            "maximum": 592999.635,
            "minimum": 591999.635,
            "name": "X",
            "position": 0,
            "stddev": 275.5872528,
            "variance": 75948.33393
          },
          {
            "average": 2388485.631,
            "count": 7675974,
            "maximum": 2388998.484,
            "minimum": 2387998.464,
            "name": "Y",
            "position": 1,
            "stddev": 311.5244552,
            "variance": 97047.4862
          },
          {
            "average": 3.495501113,
            "count": 7675974,
            "maximum": 33.41350802,
            "minimum": -28.72649198,
            "name": "Z",
            "position": 2,
            "stddev": 7.113033773,
            "variance": 50.59524946
          },
          {
            "average": 12.17354501,
            "count": 7675974,
            "maximum": 8346,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.1492442,
            "variance": 447.2905302
          },
          {
            "average": 1.530553777,
            "count": 7675974,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9679825577,
            "variance": 0.9369902321
          },
          {
            "average": 2.062229627,
            "count": 7675974,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.484382353,
            "variance": 2.203390969
          },
          {
            "average": 1,
            "count": 7675974,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7675974,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.161086788,
            "count": 7675974,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.63802837,
            "variance": 159.7197612
          },
          {
            "average": 19.83716133,
            "count": 7675974,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.748790886,
            "variance": 22.55101488
          },
          {
            "average": 94.78783396,
            "count": 7675974,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.10041004,
            "variance": 5055.268307
          },
          {
            "average": 4.996609551,
            "count": 7675974,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.562946783,
            "variance": 6.568696211
          },
          {
            "average": 63189705.48,
            "count": 7675974,
            "maximum": 63929540.63,
            "minimum": 62870686.95,
            "name": "GpsTime",
            "position": 12,
            "stddev": 383252.218,
            "variance": 146882262600.0
          },
          {
            "average": 0,
            "count": 7675974,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7675974,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7675974,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7675974,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7675974,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.635,
          2387998.464,
          -28.72649198,
          592999.635,
          2388998.484,
          33.41350802
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.6350174088,
                2387998.463567983,
                -28.726491984313533
              ],
              [
                591999.6350174088,
                2388998.4835679824,
                -28.726491984313533
              ],
              [
                592999.6350174088,
                2388998.4835679824,
                33.41350801568647
              ],
              [
                592999.6350174088,
                2387998.463567983,
                33.41350801568647
              ],
              [
                591999.6350174088,
                2387998.463567983,
                -28.726491984313533
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:59:00+00:00",
        "end_time": "2013-09-10T17:51:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9288.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9288.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9288.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9288.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1112529,
            21.59255972,
            -28.72649198,
            -158.1015377,
            21.60164566,
            33.41350802
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11125292515854,
                  21.59261156783028,
                  -28.726491984313533
                ],
                [
                  -158.1111977687251,
                  21.601645664872734,
                  -28.726491984313533
                ],
                [
                  -158.10153771645562,
                  21.601593789270844,
                  33.41350801568647
                ],
                [
                  -158.10159347232678,
                  21.592559715794227,
                  33.41350801568647
                ],
                [
                  -158.11125292515854,
                  21.59261156783028,
                  -28.726491984313533
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9288.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9288.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:59:00Z",
            "pc:count": 7675974,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592660.9965,
                "count": 7675974,
                "maximum": 592999.635,
                "minimum": 591999.635,
                "name": "X",
                "position": 0,
                "stddev": 275.5872528,
                "variance": 75948.33393
              },
              {
                "average": 2388485.631,
                "count": 7675974,
                "maximum": 2388998.484,
                "minimum": 2387998.464,
                "name": "Y",
                "position": 1,
                "stddev": 311.5244552,
                "variance": 97047.4862
              },
              {
                "average": 3.495501113,
                "count": 7675974,
                "maximum": 33.41350802,
                "minimum": -28.72649198,
                "name": "Z",
                "position": 2,
                "stddev": 7.113033773,
                "variance": 50.59524946
              },
              {
                "average": 12.17354501,
                "count": 7675974,
                "maximum": 8346,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.1492442,
                "variance": 447.2905302
              },
              {
                "average": 1.530553777,
                "count": 7675974,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9679825577,
                "variance": 0.9369902321
              },
              {
                "average": 2.062229627,
                "count": 7675974,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.484382353,
                "variance": 2.203390969
              },
              {
                "average": 1,
                "count": 7675974,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7675974,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.161086788,
                "count": 7675974,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.63802837,
                "variance": 159.7197612
              },
              {
                "average": 19.83716133,
                "count": 7675974,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.748790886,
                "variance": 22.55101488
              },
              {
                "average": 94.78783396,
                "count": 7675974,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.10041004,
                "variance": 5055.268307
              },
              {
                "average": 4.996609551,
                "count": 7675974,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.562946783,
                "variance": 6.568696211
              },
              {
                "average": 63189705.48,
                "count": 7675974,
                "maximum": 63929540.63,
                "minimum": 62870686.95,
                "name": "GpsTime",
                "position": 12,
                "stddev": 383252.218,
                "variance": 146882262600.0
              },
              {
                "average": 0,
                "count": 7675974,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7675974,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7675974,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7675974,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7675974,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.635,
              2387998.464,
              -28.72649198,
              592999.635,
              2388998.484,
              33.41350802
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.6350174088,
                    2387998.463567983,
                    -28.726491984313533
                  ],
                  [
                    591999.6350174088,
                    2388998.4835679824,
                    -28.726491984313533
                  ],
                  [
                    592999.6350174088,
                    2388998.4835679824,
                    33.41350801568647
                  ],
                  [
                    592999.6350174088,
                    2387998.463567983,
                    33.41350801568647
                  ],
                  [
                    591999.6350174088,
                    2387998.463567983,
                    -28.726491984313533
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:59:00+00:00",
            "end_time": "2013-09-10T17:51:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0854.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.95083209100017,
              21.291674163008814,
              -54.942752274847706
            ],
            [
              -157.9508187564064,
              21.29355355772783,
              -54.942752274847706
            ],
            [
              -157.94918354172435,
              21.293543359197013,
              -40.382752274847704
            ],
            [
              -157.94919689709656,
              21.291663965435745,
              -40.382752274847704
            ],
            [
              -157.95083209100017,
              21.291674163008814,
              -54.942752274847706
            ]
          ]
        ]
      },
      "bbox": [
        -157.9508321,
        21.29166397,
        -54.94275227,
        -157.9491835,
        21.29355356,
        -40.38275227
      ],
      "properties": {
        "datetime": "2013-09-15T10:35:17Z",
        "pc:count": 6015,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608952.8609,
            "count": 6015,
            "maximum": 608999.6993,
            "minimum": 608830.0593,
            "name": "X",
            "position": 0,
            "stddev": 33.85638435,
            "variance": 1146.254761
          },
          {
            "average": 2354941.592,
            "count": 6015,
            "maximum": 2354998.447,
            "minimum": 2354790.407,
            "name": "Y",
            "position": 1,
            "stddev": 39.63381445,
            "variance": 1570.839248
          },
          {
            "average": -47.75798253,
            "count": 6015,
            "maximum": -40.38275227,
            "minimum": -54.94275227,
            "name": "Z",
            "position": 2,
            "stddev": 2.858897763,
            "variance": 8.173296418
          },
          {
            "average": 1250.3867,
            "count": 6015,
            "maximum": 3820,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1294.892506,
            "variance": 1676746.602
          },
          {
            "average": 1.009143807,
            "count": 6015,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09519298534,
            "variance": 0.009061704457
          },
          {
            "average": 1.009143807,
            "count": 6015,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09519298534,
            "variance": 0.009061704457
          },
          {
            "average": 1,
            "count": 6015,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6015,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 6015,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6015,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 249.0646717,
            "count": 6015,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.248655422,
            "variance": 0.06182951888
          },
          {
            "average": 6.602826268,
            "count": 6015,
            "maximum": 8,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.91781974,
            "variance": 0.8423930751
          },
          {
            "average": 63275849.38,
            "count": 6015,
            "maximum": 63276517.43,
            "minimum": 63275558.74,
            "name": "GpsTime",
            "position": 12,
            "stddev": 437.0496609,
            "variance": 191012.4061
          },
          {
            "average": 0,
            "count": 6015,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6015,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6015,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6015,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6015,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608830.0593,
          2354790.407,
          -54.94275227,
          608999.6993,
          2354998.447,
          -40.38275227
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608830.0593391218,
                2354790.406851254,
                -54.942752274847706
              ],
              [
                608830.0593391218,
                2354998.446851254,
                -54.942752274847706
              ],
              [
                608999.6993391217,
                2354998.446851254,
                -40.382752274847704
              ],
              [
                608999.6993391217,
                2354790.406851254,
                -40.382752274847704
              ],
              [
                608830.0593391218,
                2354790.406851254,
                -54.942752274847706
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:35:17+00:00",
        "end_time": "2013-09-15T10:19:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0854.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0854.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0854.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0854.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9508321,
            21.29166397,
            -54.94275227,
            -157.9491835,
            21.29355356,
            -40.38275227
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.95083209100017,
                  21.291674163008814,
                  -54.942752274847706
                ],
                [
                  -157.9508187564064,
                  21.29355355772783,
                  -54.942752274847706
                ],
                [
                  -157.94918354172435,
                  21.293543359197013,
                  -40.382752274847704
                ],
                [
                  -157.94919689709656,
                  21.291663965435745,
                  -40.382752274847704
                ],
                [
                  -157.95083209100017,
                  21.291674163008814,
                  -54.942752274847706
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0854.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0854.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:35:17Z",
            "pc:count": 6015,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608952.8609,
                "count": 6015,
                "maximum": 608999.6993,
                "minimum": 608830.0593,
                "name": "X",
                "position": 0,
                "stddev": 33.85638435,
                "variance": 1146.254761
              },
              {
                "average": 2354941.592,
                "count": 6015,
                "maximum": 2354998.447,
                "minimum": 2354790.407,
                "name": "Y",
                "position": 1,
                "stddev": 39.63381445,
                "variance": 1570.839248
              },
              {
                "average": -47.75798253,
                "count": 6015,
                "maximum": -40.38275227,
                "minimum": -54.94275227,
                "name": "Z",
                "position": 2,
                "stddev": 2.858897763,
                "variance": 8.173296418
              },
              {
                "average": 1250.3867,
                "count": 6015,
                "maximum": 3820,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1294.892506,
                "variance": 1676746.602
              },
              {
                "average": 1.009143807,
                "count": 6015,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09519298534,
                "variance": 0.009061704457
              },
              {
                "average": 1.009143807,
                "count": 6015,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09519298534,
                "variance": 0.009061704457
              },
              {
                "average": 1,
                "count": 6015,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6015,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 6015,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6015,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 249.0646717,
                "count": 6015,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.248655422,
                "variance": 0.06182951888
              },
              {
                "average": 6.602826268,
                "count": 6015,
                "maximum": 8,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.91781974,
                "variance": 0.8423930751
              },
              {
                "average": 63275849.38,
                "count": 6015,
                "maximum": 63276517.43,
                "minimum": 63275558.74,
                "name": "GpsTime",
                "position": 12,
                "stddev": 437.0496609,
                "variance": 191012.4061
              },
              {
                "average": 0,
                "count": 6015,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6015,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6015,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6015,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6015,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608830.0593,
              2354790.407,
              -54.94275227,
              608999.6993,
              2354998.447,
              -40.38275227
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608830.0593391218,
                    2354790.406851254,
                    -54.942752274847706
                  ],
                  [
                    608830.0593391218,
                    2354998.446851254,
                    -54.942752274847706
                  ],
                  [
                    608999.6993391217,
                    2354998.446851254,
                    -40.382752274847704
                  ],
                  [
                    608999.6993391217,
                    2354790.406851254,
                    -40.382752274847704
                  ],
                  [
                    608830.0593391218,
                    2354790.406851254,
                    -54.942752274847706
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:35:17+00:00",
            "end_time": "2013-09-15T10:19:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0756.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.96839888064238,
              21.30269642320393,
              -18.632694933249674
            ],
            [
              -157.96833579967867,
              21.3117302703109,
              -18.632694933249674
            ],
            [
              -157.95869526052456,
              21.311670880976127,
              0.047305066750326
            ],
            [
              -157.95875893128132,
              21.302637060532902,
              0.047305066750326
            ],
            [
              -157.96839888064238,
              21.30269642320393,
              -18.632694933249674
            ]
          ]
        ]
      },
      "bbox": [
        -157.9683989,
        21.30263706,
        -18.63269493,
        -157.9586953,
        21.31173027,
        0.04730506675
      ],
      "properties": {
        "datetime": "2013-09-16T11:49:42Z",
        "pc:count": 3336587,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 607407.0401,
            "count": 3336587,
            "maximum": 607999.7318,
            "minimum": 606999.7318,
            "name": "X",
            "position": 0,
            "stddev": 265.3945826,
            "variance": 70434.28445
          },
          {
            "average": 2356456.581,
            "count": 3336587,
            "maximum": 2356998.445,
            "minimum": 2355998.445,
            "name": "Y",
            "position": 1,
            "stddev": 281.8641846,
            "variance": 79447.41856
          },
          {
            "average": -5.06329775,
            "count": 3336587,
            "maximum": 0.04730506675,
            "minimum": -18.63269493,
            "name": "Z",
            "position": 2,
            "stddev": 3.384271954,
            "variance": 11.45329666
          },
          {
            "average": 9.212064004,
            "count": 3336587,
            "maximum": 255,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.63809437,
            "variance": 512.4833167
          },
          {
            "average": 1.009103914,
            "count": 3336587,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09525955633,
            "variance": 0.009074383073
          },
          {
            "average": 1.016800101,
            "count": 3336587,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1290779732,
            "variance": 0.01666112317
          },
          {
            "average": 1,
            "count": 3336587,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3336587,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3336587,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3336587,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 100.2644124,
            "count": 3336587,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 73.91397826,
            "variance": 5463.276183
          },
          {
            "average": 8.007426451,
            "count": 3336587,
            "maximum": 12,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.12965805,
            "variance": 4.535443408
          },
          {
            "average": 63363994.19,
            "count": 3336587,
            "maximum": 63367382.57,
            "minimum": 63360496.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1876.997036,
            "variance": 3523117.875
          },
          {
            "average": 0,
            "count": 3336587,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3336587,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3336587,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3336587,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3336587,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          606999.7318,
          2355998.445,
          -18.63269493,
          607999.7318,
          2356998.445,
          0.04730506675
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                606999.7318058437,
                2355998.445043384,
                -18.632694933249674
              ],
              [
                606999.7318058437,
                2356998.445043384,
                -18.632694933249674
              ],
              [
                607999.7318058437,
                2356998.445043384,
                0.047305066750326
              ],
              [
                607999.7318058437,
                2355998.445043384,
                0.047305066750326
              ],
              [
                606999.7318058437,
                2355998.445043384,
                -18.632694933249674
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:49:42+00:00",
        "end_time": "2013-09-16T09:54:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0756.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0756.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0756.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0756.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9683989,
            21.30263706,
            -18.63269493,
            -157.9586953,
            21.31173027,
            0.04730506675
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.96839888064238,
                  21.30269642320393,
                  -18.632694933249674
                ],
                [
                  -157.96833579967867,
                  21.3117302703109,
                  -18.632694933249674
                ],
                [
                  -157.95869526052456,
                  21.311670880976127,
                  0.047305066750326
                ],
                [
                  -157.95875893128132,
                  21.302637060532902,
                  0.047305066750326
                ],
                [
                  -157.96839888064238,
                  21.30269642320393,
                  -18.632694933249674
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0756.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0756.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:49:42Z",
            "pc:count": 3336587,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 607407.0401,
                "count": 3336587,
                "maximum": 607999.7318,
                "minimum": 606999.7318,
                "name": "X",
                "position": 0,
                "stddev": 265.3945826,
                "variance": 70434.28445
              },
              {
                "average": 2356456.581,
                "count": 3336587,
                "maximum": 2356998.445,
                "minimum": 2355998.445,
                "name": "Y",
                "position": 1,
                "stddev": 281.8641846,
                "variance": 79447.41856
              },
              {
                "average": -5.06329775,
                "count": 3336587,
                "maximum": 0.04730506675,
                "minimum": -18.63269493,
                "name": "Z",
                "position": 2,
                "stddev": 3.384271954,
                "variance": 11.45329666
              },
              {
                "average": 9.212064004,
                "count": 3336587,
                "maximum": 255,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.63809437,
                "variance": 512.4833167
              },
              {
                "average": 1.009103914,
                "count": 3336587,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09525955633,
                "variance": 0.009074383073
              },
              {
                "average": 1.016800101,
                "count": 3336587,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1290779732,
                "variance": 0.01666112317
              },
              {
                "average": 1,
                "count": 3336587,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3336587,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3336587,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3336587,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 100.2644124,
                "count": 3336587,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 73.91397826,
                "variance": 5463.276183
              },
              {
                "average": 8.007426451,
                "count": 3336587,
                "maximum": 12,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.12965805,
                "variance": 4.535443408
              },
              {
                "average": 63363994.19,
                "count": 3336587,
                "maximum": 63367382.57,
                "minimum": 63360496.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1876.997036,
                "variance": 3523117.875
              },
              {
                "average": 0,
                "count": 3336587,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3336587,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3336587,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3336587,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3336587,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              606999.7318,
              2355998.445,
              -18.63269493,
              607999.7318,
              2356998.445,
              0.04730506675
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    606999.7318058437,
                    2355998.445043384,
                    -18.632694933249674
                  ],
                  [
                    606999.7318058437,
                    2356998.445043384,
                    -18.632694933249674
                  ],
                  [
                    607999.7318058437,
                    2356998.445043384,
                    0.047305066750326
                  ],
                  [
                    607999.7318058437,
                    2355998.445043384,
                    0.047305066750326
                  ],
                  [
                    606999.7318058437,
                    2355998.445043384,
                    -18.632694933249674
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:49:42+00:00",
            "end_time": "2013-09-16T09:54:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9454.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.09383230525592,
              21.285349768602245,
              -12.328160696220344
            ],
            [
              -158.0937769416305,
              21.294384151436628,
              -12.328160696220344
            ],
            [
              -158.08413717818235,
              21.294331963758918,
              -0.168160696220345
            ],
            [
              -158.08419312962604,
              21.285297606135657,
              -0.168160696220345
            ],
            [
              -158.09383230525592,
              21.285349768602245,
              -12.328160696220344
            ]
          ]
        ]
      },
      "bbox": [
        -158.0938323,
        21.28529761,
        -12.3281607,
        -158.0841372,
        21.29438415,
        -0.1681606962
      ],
      "properties": {
        "datetime": "2013-09-18T20:56:10Z",
        "pc:count": 6047920,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 594458.3314,
            "count": 6047920,
            "maximum": 594999.6811,
            "minimum": 593999.6811,
            "name": "X",
            "position": 0,
            "stddev": 297.0004149,
            "variance": 88209.24643
          },
          {
            "average": 2354457.517,
            "count": 6047920,
            "maximum": 2354998.469,
            "minimum": 2353998.449,
            "name": "Y",
            "position": 1,
            "stddev": 248.5066688,
            "variance": 61755.56441
          },
          {
            "average": -5.472327808,
            "count": 6047920,
            "maximum": -0.1681606962,
            "minimum": -12.3281607,
            "name": "Z",
            "position": 2,
            "stddev": 2.398535853,
            "variance": 5.752974238
          },
          {
            "average": 11.41059472,
            "count": 6047920,
            "maximum": 8348,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.04552679,
            "variance": 902.7336803
          },
          {
            "average": 1.0076461,
            "count": 6047920,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08771048432,
            "variance": 0.007693129059
          },
          {
            "average": 1.00923954,
            "count": 6047920,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09638166709,
            "variance": 0.00928942575
          },
          {
            "average": 1,
            "count": 6047920,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6047920,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 6047920,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.105699877,
            "count": 6047920,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.303487831,
            "variance": 53.3409345
          },
          {
            "average": 94.80877326,
            "count": 6047920,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 69.06758016,
            "variance": 4770.33063
          },
          {
            "average": 6.342722126,
            "count": 6047920,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.551831847,
            "variance": 30.82283686
          },
          {
            "average": 63406525.15,
            "count": 6047920,
            "maximum": 63572970.12,
            "minimum": 63276714.44,
            "name": "GpsTime",
            "position": 12,
            "stddev": 89168.78808,
            "variance": 7951072768
          },
          {
            "average": 0,
            "count": 6047920,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6047920,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6047920,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6047920,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6047920,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          593999.6811,
          2353998.449,
          -12.3281607,
          594999.6811,
          2354998.469,
          -0.1681606962
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                593999.6811135577,
                2353998.448669776,
                -12.328160696220344
              ],
              [
                593999.6811135577,
                2354998.4686697754,
                -12.328160696220344
              ],
              [
                594999.6811135577,
                2354998.4686697754,
                -0.168160696220345
              ],
              [
                594999.6811135577,
                2353998.448669776,
                -0.168160696220345
              ],
              [
                593999.6811135577,
                2353998.448669776,
                -12.328160696220344
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:56:10+00:00",
        "end_time": "2013-09-15T10:38:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9454.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9454.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9454.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9454.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0938323,
            21.28529761,
            -12.3281607,
            -158.0841372,
            21.29438415,
            -0.1681606962
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.09383230525592,
                  21.285349768602245,
                  -12.328160696220344
                ],
                [
                  -158.0937769416305,
                  21.294384151436628,
                  -12.328160696220344
                ],
                [
                  -158.08413717818235,
                  21.294331963758918,
                  -0.168160696220345
                ],
                [
                  -158.08419312962604,
                  21.285297606135657,
                  -0.168160696220345
                ],
                [
                  -158.09383230525592,
                  21.285349768602245,
                  -12.328160696220344
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9454.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9454.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:56:10Z",
            "pc:count": 6047920,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 594458.3314,
                "count": 6047920,
                "maximum": 594999.6811,
                "minimum": 593999.6811,
                "name": "X",
                "position": 0,
                "stddev": 297.0004149,
                "variance": 88209.24643
              },
              {
                "average": 2354457.517,
                "count": 6047920,
                "maximum": 2354998.469,
                "minimum": 2353998.449,
                "name": "Y",
                "position": 1,
                "stddev": 248.5066688,
                "variance": 61755.56441
              },
              {
                "average": -5.472327808,
                "count": 6047920,
                "maximum": -0.1681606962,
                "minimum": -12.3281607,
                "name": "Z",
                "position": 2,
                "stddev": 2.398535853,
                "variance": 5.752974238
              },
              {
                "average": 11.41059472,
                "count": 6047920,
                "maximum": 8348,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.04552679,
                "variance": 902.7336803
              },
              {
                "average": 1.0076461,
                "count": 6047920,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08771048432,
                "variance": 0.007693129059
              },
              {
                "average": 1.00923954,
                "count": 6047920,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09638166709,
                "variance": 0.00928942575
              },
              {
                "average": 1,
                "count": 6047920,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6047920,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 6047920,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.105699877,
                "count": 6047920,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.303487831,
                "variance": 53.3409345
              },
              {
                "average": 94.80877326,
                "count": 6047920,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 69.06758016,
                "variance": 4770.33063
              },
              {
                "average": 6.342722126,
                "count": 6047920,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.551831847,
                "variance": 30.82283686
              },
              {
                "average": 63406525.15,
                "count": 6047920,
                "maximum": 63572970.12,
                "minimum": 63276714.44,
                "name": "GpsTime",
                "position": 12,
                "stddev": 89168.78808,
                "variance": 7951072768
              },
              {
                "average": 0,
                "count": 6047920,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6047920,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6047920,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6047920,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6047920,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              593999.6811,
              2353998.449,
              -12.3281607,
              594999.6811,
              2354998.469,
              -0.1681606962
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    593999.6811135577,
                    2353998.448669776,
                    -12.328160696220344
                  ],
                  [
                    593999.6811135577,
                    2354998.4686697754,
                    -12.328160696220344
                  ],
                  [
                    594999.6811135577,
                    2354998.4686697754,
                    -0.168160696220345
                  ],
                  [
                    594999.6811135577,
                    2353998.448669776,
                    -0.168160696220345
                  ],
                  [
                    593999.6811135577,
                    2353998.448669776,
                    -12.328160696220344
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:56:10+00:00",
            "end_time": "2013-09-15T10:38:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj1056.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.93947908095805,
              21.302516588467782,
              -6.682964206336032
            ],
            [
              -157.93942318053638,
              21.310304056464712,
              -6.682964206336032
            ],
            [
              -157.9297826115902,
              21.310243008057668,
              15.057035793663971
            ],
            [
              -157.92983901969012,
              21.302455564262463,
              15.057035793663971
            ],
            [
              -157.93947908095805,
              21.302516588467782,
              -6.682964206336032
            ]
          ]
        ]
      },
      "bbox": [
        -157.9394791,
        21.30245556,
        -6.682964206,
        -157.9297826,
        21.31030406,
        15.05703579
      ],
      "properties": {
        "datetime": "2013-09-17T11:54:27Z",
        "pc:count": 4389152,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610511.2422,
            "count": 4389152,
            "maximum": 610999.7552,
            "minimum": 609999.7352,
            "name": "X",
            "position": 0,
            "stddev": 284.5121111,
            "variance": 80947.14135
          },
          {
            "average": 2356429.092,
            "count": 4389152,
            "maximum": 2356860.476,
            "minimum": 2355998.436,
            "name": "Y",
            "position": 1,
            "stddev": 237.6372654,
            "variance": 56471.46992
          },
          {
            "average": 1.997446465,
            "count": 4389152,
            "maximum": 15.05703579,
            "minimum": -6.682964206,
            "name": "Z",
            "position": 2,
            "stddev": 1.64253412,
            "variance": 2.697918334
          },
          {
            "average": 43.14127877,
            "count": 4389152,
            "maximum": 980,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 50.09496447,
            "variance": 2509.505466
          },
          {
            "average": 1.013282748,
            "count": 4389152,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1307871196,
            "variance": 0.01710527065
          },
          {
            "average": 1.024746238,
            "count": 4389152,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1896956789,
            "variance": 0.03598445061
          },
          {
            "average": 1,
            "count": 4389152,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389152,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.66048043,
            "count": 4389152,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.857971913,
            "variance": 78.46366642
          },
          {
            "average": 0,
            "count": 4389152,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.30394664,
            "count": 4389152,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.86559328,
            "variance": 4207.545191
          },
          {
            "average": 9.185743852,
            "count": 4389152,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.797672965,
            "variance": 7.826974018
          },
          {
            "average": 63371670.09,
            "count": 4389152,
            "maximum": 63454067.51,
            "minimum": 63363513.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 22543.04776,
            "variance": 508189002.4
          },
          {
            "average": 0,
            "count": 4389152,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389152,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389152,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389152,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389152,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.7352,
          2355998.436,
          -6.682964206,
          610999.7552,
          2356860.476,
          15.05703579
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.7351759457,
                2355998.435502893,
                -6.682964206336032
              ],
              [
                609999.7351759457,
                2356860.475502893,
                -6.682964206336032
              ],
              [
                610999.7551759457,
                2356860.475502893,
                15.057035793663971
              ],
              [
                610999.7551759457,
                2355998.435502893,
                15.057035793663971
              ],
              [
                609999.7351759457,
                2355998.435502893,
                -6.682964206336032
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T11:54:27+00:00",
        "end_time": "2013-09-16T10:45:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj1056.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj1056.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj1056.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1056.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9394791,
            21.30245556,
            -6.682964206,
            -157.9297826,
            21.31030406,
            15.05703579
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.93947908095805,
                  21.302516588467782,
                  -6.682964206336032
                ],
                [
                  -157.93942318053638,
                  21.310304056464712,
                  -6.682964206336032
                ],
                [
                  -157.9297826115902,
                  21.310243008057668,
                  15.057035793663971
                ],
                [
                  -157.92983901969012,
                  21.302455564262463,
                  15.057035793663971
                ],
                [
                  -157.93947908095805,
                  21.302516588467782,
                  -6.682964206336032
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj1056.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1056.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T11:54:27Z",
            "pc:count": 4389152,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610511.2422,
                "count": 4389152,
                "maximum": 610999.7552,
                "minimum": 609999.7352,
                "name": "X",
                "position": 0,
                "stddev": 284.5121111,
                "variance": 80947.14135
              },
              {
                "average": 2356429.092,
                "count": 4389152,
                "maximum": 2356860.476,
                "minimum": 2355998.436,
                "name": "Y",
                "position": 1,
                "stddev": 237.6372654,
                "variance": 56471.46992
              },
              {
                "average": 1.997446465,
                "count": 4389152,
                "maximum": 15.05703579,
                "minimum": -6.682964206,
                "name": "Z",
                "position": 2,
                "stddev": 1.64253412,
                "variance": 2.697918334
              },
              {
                "average": 43.14127877,
                "count": 4389152,
                "maximum": 980,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 50.09496447,
                "variance": 2509.505466
              },
              {
                "average": 1.013282748,
                "count": 4389152,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1307871196,
                "variance": 0.01710527065
              },
              {
                "average": 1.024746238,
                "count": 4389152,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1896956789,
                "variance": 0.03598445061
              },
              {
                "average": 1,
                "count": 4389152,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389152,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.66048043,
                "count": 4389152,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.857971913,
                "variance": 78.46366642
              },
              {
                "average": 0,
                "count": 4389152,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.30394664,
                "count": 4389152,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.86559328,
                "variance": 4207.545191
              },
              {
                "average": 9.185743852,
                "count": 4389152,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.797672965,
                "variance": 7.826974018
              },
              {
                "average": 63371670.09,
                "count": 4389152,
                "maximum": 63454067.51,
                "minimum": 63363513.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 22543.04776,
                "variance": 508189002.4
              },
              {
                "average": 0,
                "count": 4389152,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389152,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389152,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389152,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389152,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.7352,
              2355998.436,
              -6.682964206,
              610999.7552,
              2356860.476,
              15.05703579
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.7351759457,
                    2355998.435502893,
                    -6.682964206336032
                  ],
                  [
                    609999.7351759457,
                    2356860.475502893,
                    -6.682964206336032
                  ],
                  [
                    610999.7551759457,
                    2356860.475502893,
                    15.057035793663971
                  ],
                  [
                    610999.7551759457,
                    2355998.435502893,
                    15.057035793663971
                  ],
                  [
                    609999.7351759457,
                    2355998.435502893,
                    -6.682964206336032
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T11:54:27+00:00",
            "end_time": "2013-09-16T10:45:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0855.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9588225777998,
              21.29360328160552,
              -53.94644761214518
            ],
            [
              -157.95875894643896,
              21.302637112112937,
              -53.94644761214518
            ],
            [
              -157.9491190237276,
              21.30257719599459,
              -3.426447612145171
            ],
            [
              -157.94918324403682,
              21.29354339249247,
              -3.426447612145171
            ],
            [
              -157.9588225777998,
              21.29360328160552,
              -53.94644761214518
            ]
          ]
        ]
      },
      "bbox": [
        -157.9588226,
        21.29354339,
        -53.94644761,
        -157.949119,
        21.30263711,
        -3.426447612
      ],
      "properties": {
        "datetime": "2013-09-17T12:16:27Z",
        "pc:count": 2589103,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608582.9875,
            "count": 2589103,
            "maximum": 608999.7302,
            "minimum": 607999.7302,
            "name": "X",
            "position": 0,
            "stddev": 256.1137847,
            "variance": 65594.27069
          },
          {
            "average": 2355743.462,
            "count": 2589103,
            "maximum": 2355998.451,
            "minimum": 2354998.451,
            "name": "Y",
            "position": 1,
            "stddev": 173.7629815,
            "variance": 30193.57373
          },
          {
            "average": -10.80180556,
            "count": 2589103,
            "maximum": -3.426447612,
            "minimum": -53.94644761,
            "name": "Z",
            "position": 2,
            "stddev": 6.686211444,
            "variance": 44.70542348
          },
          {
            "average": 45.84748888,
            "count": 2589103,
            "maximum": 2786,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 135.1210157,
            "variance": 18257.68888
          },
          {
            "average": 1.00676605,
            "count": 2589103,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08223599456,
            "variance": 0.006762758802
          },
          {
            "average": 1.012323187,
            "count": 2589103,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1108859687,
            "variance": 0.01229569805
          },
          {
            "average": 1,
            "count": 2589103,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2589103,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2589103,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2589103,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 120.6638492,
            "count": 2589103,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 83.39184061,
            "variance": 6954.19908
          },
          {
            "average": 8.373334317,
            "count": 2589103,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.589982846,
            "variance": 31.24790822
          },
          {
            "average": 63393057.17,
            "count": 2589103,
            "maximum": 63455387.21,
            "minimum": 63276510.37,
            "name": "GpsTime",
            "position": 12,
            "stddev": 47964.03381,
            "variance": 2300548540
          },
          {
            "average": 0,
            "count": 2589103,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2589103,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2589103,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2589103,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2589103,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          607999.7302,
          2354998.451,
          -53.94644761,
          608999.7302,
          2355998.451,
          -3.426447612
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                607999.7301958349,
                2354998.4507424114,
                -53.94644761214518
              ],
              [
                607999.7301958349,
                2355998.4507424114,
                -53.94644761214518
              ],
              [
                608999.7301958349,
                2355998.4507424114,
                -3.426447612145171
              ],
              [
                608999.7301958349,
                2354998.4507424114,
                -3.426447612145171
              ],
              [
                607999.7301958349,
                2354998.4507424114,
                -53.94644761214518
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:16:27+00:00",
        "end_time": "2013-09-15T10:35:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0855.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0855.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0855.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0855.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9588226,
            21.29354339,
            -53.94644761,
            -157.949119,
            21.30263711,
            -3.426447612
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9588225777998,
                  21.29360328160552,
                  -53.94644761214518
                ],
                [
                  -157.95875894643896,
                  21.302637112112937,
                  -53.94644761214518
                ],
                [
                  -157.9491190237276,
                  21.30257719599459,
                  -3.426447612145171
                ],
                [
                  -157.94918324403682,
                  21.29354339249247,
                  -3.426447612145171
                ],
                [
                  -157.9588225777998,
                  21.29360328160552,
                  -53.94644761214518
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0855.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0855.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:16:27Z",
            "pc:count": 2589103,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608582.9875,
                "count": 2589103,
                "maximum": 608999.7302,
                "minimum": 607999.7302,
                "name": "X",
                "position": 0,
                "stddev": 256.1137847,
                "variance": 65594.27069
              },
              {
                "average": 2355743.462,
                "count": 2589103,
                "maximum": 2355998.451,
                "minimum": 2354998.451,
                "name": "Y",
                "position": 1,
                "stddev": 173.7629815,
                "variance": 30193.57373
              },
              {
                "average": -10.80180556,
                "count": 2589103,
                "maximum": -3.426447612,
                "minimum": -53.94644761,
                "name": "Z",
                "position": 2,
                "stddev": 6.686211444,
                "variance": 44.70542348
              },
              {
                "average": 45.84748888,
                "count": 2589103,
                "maximum": 2786,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 135.1210157,
                "variance": 18257.68888
              },
              {
                "average": 1.00676605,
                "count": 2589103,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08223599456,
                "variance": 0.006762758802
              },
              {
                "average": 1.012323187,
                "count": 2589103,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1108859687,
                "variance": 0.01229569805
              },
              {
                "average": 1,
                "count": 2589103,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2589103,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2589103,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2589103,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 120.6638492,
                "count": 2589103,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 83.39184061,
                "variance": 6954.19908
              },
              {
                "average": 8.373334317,
                "count": 2589103,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.589982846,
                "variance": 31.24790822
              },
              {
                "average": 63393057.17,
                "count": 2589103,
                "maximum": 63455387.21,
                "minimum": 63276510.37,
                "name": "GpsTime",
                "position": 12,
                "stddev": 47964.03381,
                "variance": 2300548540
              },
              {
                "average": 0,
                "count": 2589103,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2589103,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2589103,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2589103,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2589103,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              607999.7302,
              2354998.451,
              -53.94644761,
              608999.7302,
              2355998.451,
              -3.426447612
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    607999.7301958349,
                    2354998.4507424114,
                    -53.94644761214518
                  ],
                  [
                    607999.7301958349,
                    2355998.4507424114,
                    -53.94644761214518
                  ],
                  [
                    608999.7301958349,
                    2355998.4507424114,
                    -3.426447612145171
                  ],
                  [
                    608999.7301958349,
                    2354998.4507424114,
                    -3.426447612145171
                  ],
                  [
                    607999.7301958349,
                    2354998.4507424114,
                    -53.94644761214518
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:16:27+00:00",
            "end_time": "2013-09-15T10:35:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0757.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.96833581297557,
              21.311730277210245,
              -22.704930054364798
            ],
            [
              -157.96827269352852,
              21.320764114399584,
              -22.704930054364798
            ],
            [
              -157.9586315636521,
              21.32070469824915,
              26.8350699456352
            ],
            [
              -157.95869527382098,
              21.311670887876218,
              26.8350699456352
            ],
            [
              -157.96833581297557,
              21.311730277210245,
              -22.704930054364798
            ]
          ]
        ]
      },
      "bbox": [
        -157.9683358,
        21.31167089,
        -22.70493005,
        -157.9586316,
        21.32076411,
        26.83506995
      ],
      "properties": {
        "datetime": "2013-09-16T10:03:52Z",
        "pc:count": 2083334,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 607571.4696,
            "count": 2083334,
            "maximum": 607999.7304,
            "minimum": 606999.7304,
            "name": "X",
            "position": 0,
            "stddev": 332.3341696,
            "variance": 110446.0003
          },
          {
            "average": 2357511.752,
            "count": 2083334,
            "maximum": 2357998.446,
            "minimum": 2356998.446,
            "name": "Y",
            "position": 1,
            "stddev": 317.2536223,
            "variance": 100649.8608
          },
          {
            "average": -1.120804931,
            "count": 2083334,
            "maximum": 26.83506995,
            "minimum": -22.70493005,
            "name": "Z",
            "position": 2,
            "stddev": 6.297302877,
            "variance": 39.65602352
          },
          {
            "average": 9.190211459,
            "count": 2083334,
            "maximum": 4929,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.13093699,
            "variance": 328.730876
          },
          {
            "average": 1.183170821,
            "count": 2083334,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5698509379,
            "variance": 0.3247300914
          },
          {
            "average": 1.351453968,
            "count": 2083334,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8686566352,
            "variance": 0.7545643499
          },
          {
            "average": 1,
            "count": 2083334,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2083334,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.90128755,
            "count": 2083334,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.04445827,
            "variance": 170.1578916
          },
          {
            "average": 0,
            "count": 2083334,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 106.1226644,
            "count": 2083334,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 81.78525849,
            "variance": 6688.828507
          },
          {
            "average": 4.322387097,
            "count": 2083334,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.643796022,
            "variance": 6.989657405
          },
          {
            "average": 63327154.82,
            "count": 2083334,
            "maximum": 63361032.87,
            "minimum": 63276163.53,
            "name": "GpsTime",
            "position": 12,
            "stddev": 38814.59827,
            "variance": 1506573039
          },
          {
            "average": 0,
            "count": 2083334,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2083334,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2083334,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2083334,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2083334,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          606999.7304,
          2356998.446,
          -22.70493005,
          607999.7304,
          2357998.446,
          26.83506995
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                606999.7304216372,
                2356998.445798049,
                -22.704930054364798
              ],
              [
                606999.7304216372,
                2357998.445798049,
                -22.704930054364798
              ],
              [
                607999.7304216372,
                2357998.445798049,
                26.8350699456352
              ],
              [
                607999.7304216372,
                2356998.445798049,
                26.8350699456352
              ],
              [
                606999.7304216372,
                2356998.445798049,
                -22.704930054364798
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:03:52+00:00",
        "end_time": "2013-09-15T10:29:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0757.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0757.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0757.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0757.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9683358,
            21.31167089,
            -22.70493005,
            -157.9586316,
            21.32076411,
            26.83506995
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.96833581297557,
                  21.311730277210245,
                  -22.704930054364798
                ],
                [
                  -157.96827269352852,
                  21.320764114399584,
                  -22.704930054364798
                ],
                [
                  -157.9586315636521,
                  21.32070469824915,
                  26.8350699456352
                ],
                [
                  -157.95869527382098,
                  21.311670887876218,
                  26.8350699456352
                ],
                [
                  -157.96833581297557,
                  21.311730277210245,
                  -22.704930054364798
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0757.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0757.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:03:52Z",
            "pc:count": 2083334,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 607571.4696,
                "count": 2083334,
                "maximum": 607999.7304,
                "minimum": 606999.7304,
                "name": "X",
                "position": 0,
                "stddev": 332.3341696,
                "variance": 110446.0003
              },
              {
                "average": 2357511.752,
                "count": 2083334,
                "maximum": 2357998.446,
                "minimum": 2356998.446,
                "name": "Y",
                "position": 1,
                "stddev": 317.2536223,
                "variance": 100649.8608
              },
              {
                "average": -1.120804931,
                "count": 2083334,
                "maximum": 26.83506995,
                "minimum": -22.70493005,
                "name": "Z",
                "position": 2,
                "stddev": 6.297302877,
                "variance": 39.65602352
              },
              {
                "average": 9.190211459,
                "count": 2083334,
                "maximum": 4929,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.13093699,
                "variance": 328.730876
              },
              {
                "average": 1.183170821,
                "count": 2083334,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5698509379,
                "variance": 0.3247300914
              },
              {
                "average": 1.351453968,
                "count": 2083334,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8686566352,
                "variance": 0.7545643499
              },
              {
                "average": 1,
                "count": 2083334,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2083334,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.90128755,
                "count": 2083334,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.04445827,
                "variance": 170.1578916
              },
              {
                "average": 0,
                "count": 2083334,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 106.1226644,
                "count": 2083334,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 81.78525849,
                "variance": 6688.828507
              },
              {
                "average": 4.322387097,
                "count": 2083334,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.643796022,
                "variance": 6.989657405
              },
              {
                "average": 63327154.82,
                "count": 2083334,
                "maximum": 63361032.87,
                "minimum": 63276163.53,
                "name": "GpsTime",
                "position": 12,
                "stddev": 38814.59827,
                "variance": 1506573039
              },
              {
                "average": 0,
                "count": 2083334,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2083334,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2083334,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2083334,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2083334,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              606999.7304,
              2356998.446,
              -22.70493005,
              607999.7304,
              2357998.446,
              26.83506995
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    606999.7304216372,
                    2356998.445798049,
                    -22.704930054364798
                  ],
                  [
                    606999.7304216372,
                    2357998.445798049,
                    -22.704930054364798
                  ],
                  [
                    607999.7304216372,
                    2357998.445798049,
                    26.8350699456352
                  ],
                  [
                    607999.7304216372,
                    2356998.445798049,
                    26.8350699456352
                  ],
                  [
                    606999.7304216372,
                    2356998.445798049,
                    -22.704930054364798
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:03:52+00:00",
            "end_time": "2013-09-15T10:29:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1192.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.927461540507,
              21.62766429222393,
              -11.837826156454724
            ],
            [
              -157.92739486040455,
              21.63669767237122,
              -11.837826156454724
            ],
            [
              -157.91773305989392,
              21.636635024699924,
              85.96217384354527
            ],
            [
              -157.9178003372959,
              21.627601674199827,
              85.96217384354527
            ],
            [
              -157.927461540507,
              21.62766429222393,
              -11.837826156454724
            ]
          ]
        ]
      },
      "bbox": [
        -157.9274615,
        21.62760167,
        -11.83782616,
        -157.9177331,
        21.63669767,
        85.96217384
      ],
      "properties": {
        "datetime": "2013-09-22T02:25:24Z",
        "pc:count": 5435816,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611484.6753,
            "count": 5435816,
            "maximum": 611999.7576,
            "minimum": 610999.7576,
            "name": "X",
            "position": 0,
            "stddev": 257.2939999,
            "variance": 66200.2024
          },
          {
            "average": 2392511.497,
            "count": 5435816,
            "maximum": 2392998.485,
            "minimum": 2391998.485,
            "name": "Y",
            "position": 1,
            "stddev": 288.6369914,
            "variance": 83311.31282
          },
          {
            "average": 8.694263589,
            "count": 5435816,
            "maximum": 85.96217384,
            "minimum": -11.83782616,
            "name": "Z",
            "position": 2,
            "stddev": 8.882464571,
            "variance": 78.89817685
          },
          {
            "average": 17.13046229,
            "count": 5435816,
            "maximum": 2219,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.10615454,
            "variance": 847.168232
          },
          {
            "average": 1.260953829,
            "count": 5435816,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6242936964,
            "variance": 0.3897426193
          },
          {
            "average": 1.52054043,
            "count": 5435816,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9291611154,
            "variance": 0.8633403784
          },
          {
            "average": 1,
            "count": 5435816,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5435816,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.255970033,
            "count": 5435816,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.829133733,
            "variance": 96.61186993
          },
          {
            "average": 20.05510016,
            "count": 5435816,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.644625612,
            "variance": 6.99404463
          },
          {
            "average": 92.54895769,
            "count": 5435816,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.07664325,
            "variance": 4366.122783
          },
          {
            "average": 11.14034471,
            "count": 5435816,
            "maximum": 14,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.466189994,
            "variance": 2.149713099
          },
          {
            "average": 63850579.73,
            "count": 5435816,
            "maximum": 63851924.59,
            "minimum": 63847896.93,
            "name": "GpsTime",
            "position": 12,
            "stddev": 771.1275185,
            "variance": 594637.6497
          },
          {
            "average": 0,
            "count": 5435816,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5435816,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5435816,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5435816,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5435816,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7576,
          2391998.485,
          -11.83782616,
          611999.7576,
          2392998.485,
          85.96217384
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7575639525,
                2391998.4852309935,
                -11.837826156454724
              ],
              [
                610999.7575639525,
                2392998.4852309935,
                -11.837826156454724
              ],
              [
                611999.7575639525,
                2392998.4852309935,
                85.96217384354527
              ],
              [
                611999.7575639525,
                2391998.4852309935,
                85.96217384354527
              ],
              [
                610999.7575639525,
                2391998.4852309935,
                -11.837826156454724
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:25:24+00:00",
        "end_time": "2013-09-22T01:18:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1192.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1192.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1192.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1192.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9274615,
            21.62760167,
            -11.83782616,
            -157.9177331,
            21.63669767,
            85.96217384
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.927461540507,
                  21.62766429222393,
                  -11.837826156454724
                ],
                [
                  -157.92739486040455,
                  21.63669767237122,
                  -11.837826156454724
                ],
                [
                  -157.91773305989392,
                  21.636635024699924,
                  85.96217384354527
                ],
                [
                  -157.9178003372959,
                  21.627601674199827,
                  85.96217384354527
                ],
                [
                  -157.927461540507,
                  21.62766429222393,
                  -11.837826156454724
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1192.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1192.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:25:24Z",
            "pc:count": 5435816,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611484.6753,
                "count": 5435816,
                "maximum": 611999.7576,
                "minimum": 610999.7576,
                "name": "X",
                "position": 0,
                "stddev": 257.2939999,
                "variance": 66200.2024
              },
              {
                "average": 2392511.497,
                "count": 5435816,
                "maximum": 2392998.485,
                "minimum": 2391998.485,
                "name": "Y",
                "position": 1,
                "stddev": 288.6369914,
                "variance": 83311.31282
              },
              {
                "average": 8.694263589,
                "count": 5435816,
                "maximum": 85.96217384,
                "minimum": -11.83782616,
                "name": "Z",
                "position": 2,
                "stddev": 8.882464571,
                "variance": 78.89817685
              },
              {
                "average": 17.13046229,
                "count": 5435816,
                "maximum": 2219,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.10615454,
                "variance": 847.168232
              },
              {
                "average": 1.260953829,
                "count": 5435816,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6242936964,
                "variance": 0.3897426193
              },
              {
                "average": 1.52054043,
                "count": 5435816,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9291611154,
                "variance": 0.8633403784
              },
              {
                "average": 1,
                "count": 5435816,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5435816,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.255970033,
                "count": 5435816,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.829133733,
                "variance": 96.61186993
              },
              {
                "average": 20.05510016,
                "count": 5435816,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.644625612,
                "variance": 6.99404463
              },
              {
                "average": 92.54895769,
                "count": 5435816,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.07664325,
                "variance": 4366.122783
              },
              {
                "average": 11.14034471,
                "count": 5435816,
                "maximum": 14,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.466189994,
                "variance": 2.149713099
              },
              {
                "average": 63850579.73,
                "count": 5435816,
                "maximum": 63851924.59,
                "minimum": 63847896.93,
                "name": "GpsTime",
                "position": 12,
                "stddev": 771.1275185,
                "variance": 594637.6497
              },
              {
                "average": 0,
                "count": 5435816,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5435816,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5435816,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5435816,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5435816,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7576,
              2391998.485,
              -11.83782616,
              611999.7576,
              2392998.485,
              85.96217384
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7575639525,
                    2391998.4852309935,
                    -11.837826156454724
                  ],
                  [
                    610999.7575639525,
                    2392998.4852309935,
                    -11.837826156454724
                  ],
                  [
                    611999.7575639525,
                    2392998.4852309935,
                    85.96217384354527
                  ],
                  [
                    611999.7575639525,
                    2391998.4852309935,
                    85.96217384354527
                  ],
                  [
                    610999.7575639525,
                    2391998.4852309935,
                    -11.837826156454724
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:25:24+00:00",
            "end_time": "2013-09-22T01:18:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9897.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.05276675403894,
              21.673595879817977,
              -20.03201435453085
            ],
            [
              -158.05270774112793,
              21.682629555417385,
              -20.03201435453085
            ],
            [
              -158.04304247787243,
              21.682574085629554,
              -0.612014354530849
            ],
            [
              -158.04310209308403,
              21.67354043527309,
              -0.612014354530849
            ],
            [
              -158.05276675403894,
              21.673595879817977,
              -20.03201435453085
            ]
          ]
        ]
      },
      "bbox": [
        -158.0527668,
        21.67354044,
        -20.03201435,
        -158.0430425,
        21.68262956,
        -0.6120143545
      ],
      "properties": {
        "datetime": "2013-09-09T21:53:31Z",
        "pc:count": 4274377,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 598546.9499,
            "count": 4274377,
            "maximum": 598999.6555,
            "minimum": 597999.6555,
            "name": "X",
            "position": 0,
            "stddev": 280.1580595,
            "variance": 78488.53831
          },
          {
            "average": 2397448.881,
            "count": 4274377,
            "maximum": 2397998.497,
            "minimum": 2396998.497,
            "name": "Y",
            "position": 1,
            "stddev": 283.961659,
            "variance": 80634.22377
          },
          {
            "average": -8.807510793,
            "count": 4274377,
            "maximum": -0.6120143545,
            "minimum": -20.03201435,
            "name": "Z",
            "position": 2,
            "stddev": 2.578366323,
            "variance": 6.647972894
          },
          {
            "average": 15.07619707,
            "count": 4274377,
            "maximum": 8711,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.97677311,
            "variance": 1847.003027
          },
          {
            "average": 1.010091763,
            "count": 4274377,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1013419783,
            "variance": 0.01027019656
          },
          {
            "average": 1.020927962,
            "count": 4274377,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1463611468,
            "variance": 0.0214215853
          },
          {
            "average": 1,
            "count": 4274377,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4274377,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4274377,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.57035426,
            "count": 4274377,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.40622084,
            "variance": 29.22722377
          },
          {
            "average": 93.03934913,
            "count": 4274377,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 67.12737753,
            "variance": 4506.084813
          },
          {
            "average": 3.668034663,
            "count": 4274377,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.543319026,
            "variance": 2.381833616
          },
          {
            "average": 62797156.54,
            "count": 4274377,
            "maximum": 62798811.81,
            "minimum": 62796214.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 560.5720343,
            "variance": 314241.0056
          },
          {
            "average": 0,
            "count": 4274377,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4274377,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4274377,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4274377,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4274377,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          597999.6555,
          2396998.497,
          -20.03201435,
          598999.6555,
          2397998.497,
          -0.6120143545
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                597999.6554917734,
                2396998.496813288,
                -20.03201435453085
              ],
              [
                597999.6554917734,
                2397998.496813288,
                -20.03201435453085
              ],
              [
                598999.6554917734,
                2397998.496813288,
                -0.612014354530849
              ],
              [
                598999.6554917734,
                2396998.496813288,
                -0.612014354530849
              ],
              [
                597999.6554917734,
                2396998.496813288,
                -20.03201435453085
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:53:31+00:00",
        "end_time": "2013-09-09T21:10:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9897.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9897.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9897.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9897.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0527668,
            21.67354044,
            -20.03201435,
            -158.0430425,
            21.68262956,
            -0.6120143545
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.05276675403894,
                  21.673595879817977,
                  -20.03201435453085
                ],
                [
                  -158.05270774112793,
                  21.682629555417385,
                  -20.03201435453085
                ],
                [
                  -158.04304247787243,
                  21.682574085629554,
                  -0.612014354530849
                ],
                [
                  -158.04310209308403,
                  21.67354043527309,
                  -0.612014354530849
                ],
                [
                  -158.05276675403894,
                  21.673595879817977,
                  -20.03201435453085
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9897.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9897.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:53:31Z",
            "pc:count": 4274377,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 598546.9499,
                "count": 4274377,
                "maximum": 598999.6555,
                "minimum": 597999.6555,
                "name": "X",
                "position": 0,
                "stddev": 280.1580595,
                "variance": 78488.53831
              },
              {
                "average": 2397448.881,
                "count": 4274377,
                "maximum": 2397998.497,
                "minimum": 2396998.497,
                "name": "Y",
                "position": 1,
                "stddev": 283.961659,
                "variance": 80634.22377
              },
              {
                "average": -8.807510793,
                "count": 4274377,
                "maximum": -0.6120143545,
                "minimum": -20.03201435,
                "name": "Z",
                "position": 2,
                "stddev": 2.578366323,
                "variance": 6.647972894
              },
              {
                "average": 15.07619707,
                "count": 4274377,
                "maximum": 8711,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.97677311,
                "variance": 1847.003027
              },
              {
                "average": 1.010091763,
                "count": 4274377,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1013419783,
                "variance": 0.01027019656
              },
              {
                "average": 1.020927962,
                "count": 4274377,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1463611468,
                "variance": 0.0214215853
              },
              {
                "average": 1,
                "count": 4274377,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4274377,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4274377,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.57035426,
                "count": 4274377,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.40622084,
                "variance": 29.22722377
              },
              {
                "average": 93.03934913,
                "count": 4274377,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 67.12737753,
                "variance": 4506.084813
              },
              {
                "average": 3.668034663,
                "count": 4274377,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.543319026,
                "variance": 2.381833616
              },
              {
                "average": 62797156.54,
                "count": 4274377,
                "maximum": 62798811.81,
                "minimum": 62796214.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 560.5720343,
                "variance": 314241.0056
              },
              {
                "average": 0,
                "count": 4274377,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4274377,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4274377,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4274377,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4274377,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              597999.6555,
              2396998.497,
              -20.03201435,
              598999.6555,
              2397998.497,
              -0.6120143545
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    597999.6554917734,
                    2396998.496813288,
                    -20.03201435453085
                  ],
                  [
                    597999.6554917734,
                    2397998.496813288,
                    -20.03201435453085
                  ],
                  [
                    598999.6554917734,
                    2397998.496813288,
                    -0.612014354530849
                  ],
                  [
                    598999.6554917734,
                    2396998.496813288,
                    -0.612014354530849
                  ],
                  [
                    597999.6554917734,
                    2396998.496813288,
                    -20.03201435453085
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:53:31+00:00",
            "end_time": "2013-09-09T21:10:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0856.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9587589209237,
              21.30263704280603,
              -17.857550347643897
            ],
            [
              -157.95869525016636,
              21.311670863249244,
              -17.857550347643897
            ],
            [
              -157.94905473797323,
              21.311610919994155,
              6.962449652356104
            ],
            [
              -157.94911899821693,
              21.3025771266864,
              6.962449652356104
            ],
            [
              -157.9587589209237,
              21.30263704280603,
              -17.857550347643897
            ]
          ]
        ]
      },
      "bbox": [
        -157.9587589,
        21.30257713,
        -17.85755035,
        -157.9490547,
        21.31167086,
        6.962449652
      ],
      "properties": {
        "datetime": "2013-09-17T11:54:48Z",
        "pc:count": 3226469,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608489.9916,
            "count": 3226469,
            "maximum": 608999.7329,
            "minimum": 607999.7329,
            "name": "X",
            "position": 0,
            "stddev": 283.2682522,
            "variance": 80240.90271
          },
          {
            "average": 2356419.251,
            "count": 3226469,
            "maximum": 2356998.443,
            "minimum": 2355998.443,
            "name": "Y",
            "position": 1,
            "stddev": 284.7935895,
            "variance": 81107.38863
          },
          {
            "average": -2.486311368,
            "count": 3226469,
            "maximum": 6.962449652,
            "minimum": -17.85755035,
            "name": "Z",
            "position": 2,
            "stddev": 2.425819259,
            "variance": 5.884599075
          },
          {
            "average": 7.524019292,
            "count": 3226469,
            "maximum": 568,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 17.67016729,
            "variance": 312.2348121
          },
          {
            "average": 1.011040552,
            "count": 3226469,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1071575769,
            "variance": 0.01148274629
          },
          {
            "average": 1.019989344,
            "count": 3226469,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1457752243,
            "variance": 0.02125041601
          },
          {
            "average": 1,
            "count": 3226469,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3226469,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.46390652,
            "count": 3226469,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.804324989,
            "variance": 14.47288862
          },
          {
            "average": 0,
            "count": 3226469,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.63732179,
            "count": 3226469,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.15037297,
            "variance": 5062.375574
          },
          {
            "average": 8.516110336,
            "count": 3226469,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.501710192,
            "variance": 6.258553887
          },
          {
            "average": 63367549.71,
            "count": 3226469,
            "maximum": 63454088.25,
            "minimum": 63360513.05,
            "name": "GpsTime",
            "position": 12,
            "stddev": 15919.87349,
            "variance": 253442371.8
          },
          {
            "average": 0,
            "count": 3226469,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3226469,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3226469,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3226469,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3226469,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          607999.7329,
          2355998.443,
          -17.85755035,
          608999.7329,
          2356998.443,
          6.962449652
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                607999.7328932019,
                2355998.4430882856,
                -17.857550347643897
              ],
              [
                607999.7328932019,
                2356998.4430882856,
                -17.857550347643897
              ],
              [
                608999.7328932019,
                2356998.4430882856,
                6.962449652356104
              ],
              [
                608999.7328932019,
                2355998.4430882856,
                6.962449652356104
              ],
              [
                607999.7328932019,
                2355998.4430882856,
                -17.857550347643897
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T11:54:48+00:00",
        "end_time": "2013-09-16T09:55:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0856.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0856.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0856.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0856.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9587589,
            21.30257713,
            -17.85755035,
            -157.9490547,
            21.31167086,
            6.962449652
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9587589209237,
                  21.30263704280603,
                  -17.857550347643897
                ],
                [
                  -157.95869525016636,
                  21.311670863249244,
                  -17.857550347643897
                ],
                [
                  -157.94905473797323,
                  21.311610919994155,
                  6.962449652356104
                ],
                [
                  -157.94911899821693,
                  21.3025771266864,
                  6.962449652356104
                ],
                [
                  -157.9587589209237,
                  21.30263704280603,
                  -17.857550347643897
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0856.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0856.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T11:54:48Z",
            "pc:count": 3226469,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608489.9916,
                "count": 3226469,
                "maximum": 608999.7329,
                "minimum": 607999.7329,
                "name": "X",
                "position": 0,
                "stddev": 283.2682522,
                "variance": 80240.90271
              },
              {
                "average": 2356419.251,
                "count": 3226469,
                "maximum": 2356998.443,
                "minimum": 2355998.443,
                "name": "Y",
                "position": 1,
                "stddev": 284.7935895,
                "variance": 81107.38863
              },
              {
                "average": -2.486311368,
                "count": 3226469,
                "maximum": 6.962449652,
                "minimum": -17.85755035,
                "name": "Z",
                "position": 2,
                "stddev": 2.425819259,
                "variance": 5.884599075
              },
              {
                "average": 7.524019292,
                "count": 3226469,
                "maximum": 568,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 17.67016729,
                "variance": 312.2348121
              },
              {
                "average": 1.011040552,
                "count": 3226469,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1071575769,
                "variance": 0.01148274629
              },
              {
                "average": 1.019989344,
                "count": 3226469,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1457752243,
                "variance": 0.02125041601
              },
              {
                "average": 1,
                "count": 3226469,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3226469,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.46390652,
                "count": 3226469,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.804324989,
                "variance": 14.47288862
              },
              {
                "average": 0,
                "count": 3226469,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.63732179,
                "count": 3226469,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.15037297,
                "variance": 5062.375574
              },
              {
                "average": 8.516110336,
                "count": 3226469,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.501710192,
                "variance": 6.258553887
              },
              {
                "average": 63367549.71,
                "count": 3226469,
                "maximum": 63454088.25,
                "minimum": 63360513.05,
                "name": "GpsTime",
                "position": 12,
                "stddev": 15919.87349,
                "variance": 253442371.8
              },
              {
                "average": 0,
                "count": 3226469,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3226469,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3226469,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3226469,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3226469,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              607999.7329,
              2355998.443,
              -17.85755035,
              608999.7329,
              2356998.443,
              6.962449652
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    607999.7328932019,
                    2355998.4430882856,
                    -17.857550347643897
                  ],
                  [
                    607999.7328932019,
                    2356998.4430882856,
                    -17.857550347643897
                  ],
                  [
                    608999.7328932019,
                    2356998.4430882856,
                    6.962449652356104
                  ],
                  [
                    608999.7328932019,
                    2355998.4430882856,
                    6.962449652356104
                  ],
                  [
                    607999.7328932019,
                    2355998.4430882856,
                    -17.857550347643897
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T11:54:48+00:00",
            "end_time": "2013-09-16T09:55:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8470.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.18943132361326,
              21.430390665852862,
              -8.222855907147036
            ],
            [
              -158.18938142297938,
              21.439425130577337,
              -8.222855907147036
            ],
            [
              -158.1797319278994,
              21.439378115520665,
              180.27714409285295
            ],
            [
              -158.1797824223756,
              21.430343671861145,
              180.27714409285295
            ],
            [
              -158.18943132361326,
              21.430390665852862,
              -8.222855907147036
            ]
          ]
        ]
      },
      "bbox": [
        -158.1894313,
        21.43034367,
        -8.222855907,
        -158.1797319,
        21.43942513,
        180.2771441
      ],
      "properties": {
        "datetime": "2013-09-18T20:29:35Z",
        "pc:count": 11202485,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584536.7648,
            "count": 11202485,
            "maximum": 584999.6416,
            "minimum": 583999.6416,
            "name": "X",
            "position": 0,
            "stddev": 275.4565016,
            "variance": 75876.28426
          },
          {
            "average": 2370497.585,
            "count": 11202485,
            "maximum": 2370998.464,
            "minimum": 2369998.444,
            "name": "Y",
            "position": 1,
            "stddev": 284.7963888,
            "variance": 81108.98308
          },
          {
            "average": 11.16823421,
            "count": 11202485,
            "maximum": 180.2771441,
            "minimum": -8.222855907,
            "name": "Z",
            "position": 2,
            "stddev": 22.16072722,
            "variance": 491.0978308
          },
          {
            "average": 24.88980882,
            "count": 11202485,
            "maximum": 8680,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 56.34076049,
            "variance": 3174.281293
          },
          {
            "average": 1.344095975,
            "count": 11202485,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7770782593,
            "variance": 0.6038506211
          },
          {
            "average": 1.687088088,
            "count": 11202485,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.203834222,
            "variance": 1.449216834
          },
          {
            "average": 1,
            "count": 11202485,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11202485,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.015721244,
            "count": 11202485,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.53322607,
            "variance": 157.0817558
          },
          {
            "average": 20.11949375,
            "count": 11202485,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.749844152,
            "variance": 7.561642859
          },
          {
            "average": 90.87706397,
            "count": 11202485,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.08521953,
            "variance": 4367.25624
          },
          {
            "average": 3.09399843,
            "count": 11202485,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.495803009,
            "variance": 2.237426641
          },
          {
            "average": 62796640.98,
            "count": 11202485,
            "maximum": 63571375.49,
            "minimum": 62715509.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 90981.39562,
            "variance": 8277614349
          },
          {
            "average": 0,
            "count": 11202485,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11202485,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11202485,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11202485,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11202485,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583999.6416,
          2369998.444,
          -8.222855907,
          584999.6416,
          2370998.464,
          180.2771441
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583999.6415801942,
                2369998.4439742747,
                -8.222855907147036
              ],
              [
                583999.6415801942,
                2370998.463974274,
                -8.222855907147036
              ],
              [
                584999.6415801942,
                2370998.463974274,
                180.27714409285295
              ],
              [
                584999.6415801942,
                2369998.4439742747,
                180.27714409285295
              ],
              [
                583999.6415801942,
                2369998.4439742747,
                -8.222855907147036
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-18T20:29:35+00:00",
        "end_time": "2013-09-08T22:45:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8470.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8470.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8470.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8470.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1894313,
            21.43034367,
            -8.222855907,
            -158.1797319,
            21.43942513,
            180.2771441
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.18943132361326,
                  21.430390665852862,
                  -8.222855907147036
                ],
                [
                  -158.18938142297938,
                  21.439425130577337,
                  -8.222855907147036
                ],
                [
                  -158.1797319278994,
                  21.439378115520665,
                  180.27714409285295
                ],
                [
                  -158.1797824223756,
                  21.430343671861145,
                  180.27714409285295
                ],
                [
                  -158.18943132361326,
                  21.430390665852862,
                  -8.222855907147036
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8470.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8470.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-18T20:29:35Z",
            "pc:count": 11202485,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584536.7648,
                "count": 11202485,
                "maximum": 584999.6416,
                "minimum": 583999.6416,
                "name": "X",
                "position": 0,
                "stddev": 275.4565016,
                "variance": 75876.28426
              },
              {
                "average": 2370497.585,
                "count": 11202485,
                "maximum": 2370998.464,
                "minimum": 2369998.444,
                "name": "Y",
                "position": 1,
                "stddev": 284.7963888,
                "variance": 81108.98308
              },
              {
                "average": 11.16823421,
                "count": 11202485,
                "maximum": 180.2771441,
                "minimum": -8.222855907,
                "name": "Z",
                "position": 2,
                "stddev": 22.16072722,
                "variance": 491.0978308
              },
              {
                "average": 24.88980882,
                "count": 11202485,
                "maximum": 8680,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 56.34076049,
                "variance": 3174.281293
              },
              {
                "average": 1.344095975,
                "count": 11202485,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7770782593,
                "variance": 0.6038506211
              },
              {
                "average": 1.687088088,
                "count": 11202485,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.203834222,
                "variance": 1.449216834
              },
              {
                "average": 1,
                "count": 11202485,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11202485,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.015721244,
                "count": 11202485,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.53322607,
                "variance": 157.0817558
              },
              {
                "average": 20.11949375,
                "count": 11202485,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.749844152,
                "variance": 7.561642859
              },
              {
                "average": 90.87706397,
                "count": 11202485,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.08521953,
                "variance": 4367.25624
              },
              {
                "average": 3.09399843,
                "count": 11202485,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.495803009,
                "variance": 2.237426641
              },
              {
                "average": 62796640.98,
                "count": 11202485,
                "maximum": 63571375.49,
                "minimum": 62715509.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 90981.39562,
                "variance": 8277614349
              },
              {
                "average": 0,
                "count": 11202485,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11202485,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11202485,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11202485,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11202485,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583999.6416,
              2369998.444,
              -8.222855907,
              584999.6416,
              2370998.464,
              180.2771441
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583999.6415801942,
                    2369998.4439742747,
                    -8.222855907147036
                  ],
                  [
                    583999.6415801942,
                    2370998.463974274,
                    -8.222855907147036
                  ],
                  [
                    584999.6415801942,
                    2370998.463974274,
                    180.27714409285295
                  ],
                  [
                    584999.6415801942,
                    2369998.4439742747,
                    180.27714409285295
                  ],
                  [
                    583999.6415801942,
                    2369998.4439742747,
                    -8.222855907147036
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-18T20:29:35+00:00",
            "end_time": "2013-09-08T22:45:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1057.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.93941364172125,
              21.311622214438643,
              -1.494608429165986
            ],
            [
              -157.93934926727408,
              21.320584241773176,
              -1.494608429165986
            ],
            [
              -157.9297082212686,
              21.32052316254499,
              36.26539157083401
            ],
            [
              -157.92977317967063,
              21.311561163151197,
              36.26539157083401
            ],
            [
              -157.93941364172125,
              21.311622214438643,
              -1.494608429165986
            ]
          ]
        ]
      },
      "bbox": [
        -157.9394136,
        21.31156116,
        -1.494608429,
        -157.9297082,
        21.32058424,
        36.26539157
      ],
      "properties": {
        "datetime": "2013-09-16T10:45:32Z",
        "pc:count": 5168561,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610553.626,
            "count": 5168561,
            "maximum": 610999.7428,
            "minimum": 609999.7428,
            "name": "X",
            "position": 0,
            "stddev": 277.6049523,
            "variance": 77064.50955
          },
          {
            "average": 2357633,
            "count": 5168561,
            "maximum": 2357998.45,
            "minimum": 2357006.39,
            "name": "Y",
            "position": 1,
            "stddev": 236.1929808,
            "variance": 55787.12419
          },
          {
            "average": 5.424054187,
            "count": 5168561,
            "maximum": 36.26539157,
            "minimum": -1.494608429,
            "name": "Z",
            "position": 2,
            "stddev": 4.678318118,
            "variance": 21.88666041
          },
          {
            "average": 22.29000258,
            "count": 5168561,
            "maximum": 846,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 31.21493455,
            "variance": 974.3721389
          },
          {
            "average": 1.495088672,
            "count": 5168561,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.883414269,
            "variance": 0.7804207707
          },
          {
            "average": 1.942261879,
            "count": 5168561,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.282244631,
            "variance": 1.644151295
          },
          {
            "average": 1,
            "count": 5168561,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5168561,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.386314489,
            "count": 5168561,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.383721027,
            "variance": 28.9844521
          },
          {
            "average": 0,
            "count": 5168561,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.43322136,
            "count": 5168561,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.56630936,
            "variance": 4298.940924
          },
          {
            "average": 3.166680049,
            "count": 5168561,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.788945654,
            "variance": 3.200326552
          },
          {
            "average": 63339696.39,
            "count": 5168561,
            "maximum": 63363532.72,
            "minimum": 63277178.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 32357.7198,
            "variance": 1047022031
          },
          {
            "average": 0,
            "count": 5168561,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5168561,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5168561,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5168561,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5168561,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.7428,
          2357006.39,
          -1.494608429,
          610999.7428,
          2357998.45,
          36.26539157
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.7428298139,
                2357006.3901897366,
                -1.494608429165986
              ],
              [
                609999.7428298139,
                2357998.450189736,
                -1.494608429165986
              ],
              [
                610999.7428298139,
                2357998.450189736,
                36.26539157083401
              ],
              [
                610999.7428298139,
                2357006.3901897366,
                36.26539157083401
              ],
              [
                609999.7428298139,
                2357006.3901897366,
                -1.494608429165986
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:45:32+00:00",
        "end_time": "2013-09-15T10:46:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1057.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1057.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1057.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1057.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9394136,
            21.31156116,
            -1.494608429,
            -157.9297082,
            21.32058424,
            36.26539157
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.93941364172125,
                  21.311622214438643,
                  -1.494608429165986
                ],
                [
                  -157.93934926727408,
                  21.320584241773176,
                  -1.494608429165986
                ],
                [
                  -157.9297082212686,
                  21.32052316254499,
                  36.26539157083401
                ],
                [
                  -157.92977317967063,
                  21.311561163151197,
                  36.26539157083401
                ],
                [
                  -157.93941364172125,
                  21.311622214438643,
                  -1.494608429165986
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1057.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1057.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:45:32Z",
            "pc:count": 5168561,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610553.626,
                "count": 5168561,
                "maximum": 610999.7428,
                "minimum": 609999.7428,
                "name": "X",
                "position": 0,
                "stddev": 277.6049523,
                "variance": 77064.50955
              },
              {
                "average": 2357633,
                "count": 5168561,
                "maximum": 2357998.45,
                "minimum": 2357006.39,
                "name": "Y",
                "position": 1,
                "stddev": 236.1929808,
                "variance": 55787.12419
              },
              {
                "average": 5.424054187,
                "count": 5168561,
                "maximum": 36.26539157,
                "minimum": -1.494608429,
                "name": "Z",
                "position": 2,
                "stddev": 4.678318118,
                "variance": 21.88666041
              },
              {
                "average": 22.29000258,
                "count": 5168561,
                "maximum": 846,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 31.21493455,
                "variance": 974.3721389
              },
              {
                "average": 1.495088672,
                "count": 5168561,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.883414269,
                "variance": 0.7804207707
              },
              {
                "average": 1.942261879,
                "count": 5168561,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.282244631,
                "variance": 1.644151295
              },
              {
                "average": 1,
                "count": 5168561,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5168561,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.386314489,
                "count": 5168561,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.383721027,
                "variance": 28.9844521
              },
              {
                "average": 0,
                "count": 5168561,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.43322136,
                "count": 5168561,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.56630936,
                "variance": 4298.940924
              },
              {
                "average": 3.166680049,
                "count": 5168561,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.788945654,
                "variance": 3.200326552
              },
              {
                "average": 63339696.39,
                "count": 5168561,
                "maximum": 63363532.72,
                "minimum": 63277178.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 32357.7198,
                "variance": 1047022031
              },
              {
                "average": 0,
                "count": 5168561,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5168561,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5168561,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5168561,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5168561,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.7428,
              2357006.39,
              -1.494608429,
              610999.7428,
              2357998.45,
              36.26539157
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.7428298139,
                    2357006.3901897366,
                    -1.494608429165986
                  ],
                  [
                    609999.7428298139,
                    2357998.450189736,
                    -1.494608429165986
                  ],
                  [
                    610999.7428298139,
                    2357998.450189736,
                    36.26539157083401
                  ],
                  [
                    610999.7428298139,
                    2357006.3901897366,
                    36.26539157083401
                  ],
                  [
                    609999.7428298139,
                    2357006.3901897366,
                    -1.494608429165986
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:45:32+00:00",
            "end_time": "2013-09-15T10:46:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9455.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.09377707030623,
              21.294384046458795,
              -3.750342258214305
            ],
            [
              -158.09373386114467,
              21.301432159543037,
              -3.750342258214305
            ],
            [
              -158.0840934457007,
              21.301379951640673,
              27.789657741785696
            ],
            [
              -158.08413711406956,
              21.294331857739444,
              27.789657741785696
            ],
            [
              -158.09377707030623,
              21.294384046458795,
              -3.750342258214305
            ]
          ]
        ]
      },
      "bbox": [
        -158.0937771,
        21.29433186,
        -3.750342258,
        -158.0840934,
        21.30143216,
        27.78965774
      ],
      "properties": {
        "datetime": "2013-09-16T11:46:25Z",
        "pc:count": 4342213,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 594501.008,
            "count": 4342213,
            "maximum": 594999.6878,
            "minimum": 593999.6678,
            "name": "X",
            "position": 0,
            "stddev": 281.5802623,
            "variance": 79287.44414
          },
          {
            "average": 2355428.454,
            "count": 4342213,
            "maximum": 2355778.617,
            "minimum": 2354998.457,
            "name": "Y",
            "position": 1,
            "stddev": 188.3553478,
            "variance": 35477.73703
          },
          {
            "average": 5.139701367,
            "count": 4342213,
            "maximum": 27.78965774,
            "minimum": -3.750342258,
            "name": "Z",
            "position": 2,
            "stddev": 3.378908455,
            "variance": 11.41702234
          },
          {
            "average": 19.4539144,
            "count": 4342213,
            "maximum": 3043,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.92312126,
            "variance": 1290.470641
          },
          {
            "average": 1.597212988,
            "count": 4342213,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9262560243,
            "variance": 0.8579502226
          },
          {
            "average": 2.13035565,
            "count": 4342213,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.299545726,
            "variance": 1.688819093
          },
          {
            "average": 1,
            "count": 4342213,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4342213,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.219731045,
            "count": 4342213,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.154206062,
            "variance": 51.18266437
          },
          {
            "average": 0,
            "count": 4342213,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.58104819,
            "count": 4342213,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.30278607,
            "variance": 4396.059441
          },
          {
            "average": 8.011204425,
            "count": 4342213,
            "maximum": 12,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.113217371,
            "variance": 1.239252916
          },
          {
            "average": 63364071.1,
            "count": 4342213,
            "maximum": 63367185.81,
            "minimum": 63363274.67,
            "name": "GpsTime",
            "position": 12,
            "stddev": 894.2571226,
            "variance": 799695.8013
          },
          {
            "average": 0,
            "count": 4342213,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4342213,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4342213,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4342213,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4342213,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          593999.6678,
          2354998.457,
          -3.750342258,
          594999.6878,
          2355778.617,
          27.78965774
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                593999.6678323371,
                2354998.4569734083,
                -3.750342258214305
              ],
              [
                593999.6678323371,
                2355778.6169734085,
                -3.750342258214305
              ],
              [
                594999.6878323371,
                2355778.6169734085,
                27.789657741785696
              ],
              [
                594999.6878323371,
                2354998.4569734083,
                27.789657741785696
              ],
              [
                593999.6678323371,
                2354998.4569734083,
                -3.750342258214305
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:46:25+00:00",
        "end_time": "2013-09-16T10:41:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9455.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9455.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9455.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9455.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0937771,
            21.29433186,
            -3.750342258,
            -158.0840934,
            21.30143216,
            27.78965774
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.09377707030623,
                  21.294384046458795,
                  -3.750342258214305
                ],
                [
                  -158.09373386114467,
                  21.301432159543037,
                  -3.750342258214305
                ],
                [
                  -158.0840934457007,
                  21.301379951640673,
                  27.789657741785696
                ],
                [
                  -158.08413711406956,
                  21.294331857739444,
                  27.789657741785696
                ],
                [
                  -158.09377707030623,
                  21.294384046458795,
                  -3.750342258214305
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9455.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9455.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:46:25Z",
            "pc:count": 4342213,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 594501.008,
                "count": 4342213,
                "maximum": 594999.6878,
                "minimum": 593999.6678,
                "name": "X",
                "position": 0,
                "stddev": 281.5802623,
                "variance": 79287.44414
              },
              {
                "average": 2355428.454,
                "count": 4342213,
                "maximum": 2355778.617,
                "minimum": 2354998.457,
                "name": "Y",
                "position": 1,
                "stddev": 188.3553478,
                "variance": 35477.73703
              },
              {
                "average": 5.139701367,
                "count": 4342213,
                "maximum": 27.78965774,
                "minimum": -3.750342258,
                "name": "Z",
                "position": 2,
                "stddev": 3.378908455,
                "variance": 11.41702234
              },
              {
                "average": 19.4539144,
                "count": 4342213,
                "maximum": 3043,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.92312126,
                "variance": 1290.470641
              },
              {
                "average": 1.597212988,
                "count": 4342213,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9262560243,
                "variance": 0.8579502226
              },
              {
                "average": 2.13035565,
                "count": 4342213,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.299545726,
                "variance": 1.688819093
              },
              {
                "average": 1,
                "count": 4342213,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4342213,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.219731045,
                "count": 4342213,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.154206062,
                "variance": 51.18266437
              },
              {
                "average": 0,
                "count": 4342213,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.58104819,
                "count": 4342213,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.30278607,
                "variance": 4396.059441
              },
              {
                "average": 8.011204425,
                "count": 4342213,
                "maximum": 12,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.113217371,
                "variance": 1.239252916
              },
              {
                "average": 63364071.1,
                "count": 4342213,
                "maximum": 63367185.81,
                "minimum": 63363274.67,
                "name": "GpsTime",
                "position": 12,
                "stddev": 894.2571226,
                "variance": 799695.8013
              },
              {
                "average": 0,
                "count": 4342213,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4342213,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4342213,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4342213,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4342213,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              593999.6678,
              2354998.457,
              -3.750342258,
              594999.6878,
              2355778.617,
              27.78965774
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    593999.6678323371,
                    2354998.4569734083,
                    -3.750342258214305
                  ],
                  [
                    593999.6678323371,
                    2355778.6169734085,
                    -3.750342258214305
                  ],
                  [
                    594999.6878323371,
                    2355778.6169734085,
                    27.789657741785696
                  ],
                  [
                    594999.6878323371,
                    2354998.4569734083,
                    27.789657741785696
                  ],
                  [
                    593999.6678323371,
                    2354998.4569734083,
                    -3.750342258214305
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:46:25+00:00",
            "end_time": "2013-09-16T10:41:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9898.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.05079438418204,
              21.68261861072671,
              -23.145852857320563
            ],
            [
              -158.0507475527986,
              21.68976911643629,
              -23.145852857320563
            ],
            [
              -158.04299524491597,
              21.689724566733837,
              -7.165852857320564
            ],
            [
              -158.04304245904166,
              21.682574077023986,
              -7.165852857320564
            ],
            [
              -158.05079438418204,
              21.68261861072671,
              -23.145852857320563
            ]
          ]
        ]
      },
      "bbox": [
        -158.0507944,
        21.68257408,
        -23.14585286,
        -158.0429952,
        21.68976912,
        -7.165852857
      ],
      "properties": {
        "datetime": "2013-09-09T21:27:49Z",
        "pc:count": 972302,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 598737.3949,
            "count": 972302,
            "maximum": 598999.6574,
            "minimum": 598197.6174,
            "name": "X",
            "position": 0,
            "stddev": 184.2681528,
            "variance": 33954.75213
          },
          {
            "average": 2398204.629,
            "count": 972302,
            "maximum": 2398790.036,
            "minimum": 2397998.496,
            "name": "Y",
            "position": 1,
            "stddev": 150.7973215,
            "variance": 22739.83217
          },
          {
            "average": -11.2572316,
            "count": 972302,
            "maximum": -7.165852857,
            "minimum": -23.14585286,
            "name": "Z",
            "position": 2,
            "stddev": 1.931290367,
            "variance": 3.729882482
          },
          {
            "average": 20.80721319,
            "count": 972302,
            "maximum": 5082,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.2088533,
            "variance": 2324.093537
          },
          {
            "average": 1.00118276,
            "count": 972302,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0343709526,
            "variance": 0.001181362383
          },
          {
            "average": 1.002165994,
            "count": 972302,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04671053574,
            "variance": 0.002181874149
          },
          {
            "average": 1,
            "count": 972302,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 972302,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 972302,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.05052337,
            "count": 972302,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.855375421,
            "variance": 46.99617216
          },
          {
            "average": 98.14359736,
            "count": 972302,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 70.89099532,
            "variance": 5025.533218
          },
          {
            "average": 1.600089273,
            "count": 972302,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7172953343,
            "variance": 0.5145125967
          },
          {
            "average": 62796421.84,
            "count": 972302,
            "maximum": 62797269.61,
            "minimum": 62796223.77,
            "name": "GpsTime",
            "position": 12,
            "stddev": 238.5551398,
            "variance": 56908.55472
          },
          {
            "average": 0,
            "count": 972302,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 972302,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 972302,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 972302,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 972302,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          598197.6174,
          2397998.496,
          -23.14585286,
          598999.6574,
          2398790.036,
          -7.165852857
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                598197.6174458731,
                2397998.495872735,
                -23.145852857320563
              ],
              [
                598197.6174458731,
                2398790.035872735,
                -23.145852857320563
              ],
              [
                598999.6574458731,
                2398790.035872735,
                -7.165852857320564
              ],
              [
                598999.6574458731,
                2397998.495872735,
                -7.165852857320564
              ],
              [
                598197.6174458731,
                2397998.495872735,
                -23.145852857320563
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:27:49+00:00",
        "end_time": "2013-09-09T21:10:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9898.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9898.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9898.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9898.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0507944,
            21.68257408,
            -23.14585286,
            -158.0429952,
            21.68976912,
            -7.165852857
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.05079438418204,
                  21.68261861072671,
                  -23.145852857320563
                ],
                [
                  -158.0507475527986,
                  21.68976911643629,
                  -23.145852857320563
                ],
                [
                  -158.04299524491597,
                  21.689724566733837,
                  -7.165852857320564
                ],
                [
                  -158.04304245904166,
                  21.682574077023986,
                  -7.165852857320564
                ],
                [
                  -158.05079438418204,
                  21.68261861072671,
                  -23.145852857320563
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9898.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9898.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:27:49Z",
            "pc:count": 972302,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 598737.3949,
                "count": 972302,
                "maximum": 598999.6574,
                "minimum": 598197.6174,
                "name": "X",
                "position": 0,
                "stddev": 184.2681528,
                "variance": 33954.75213
              },
              {
                "average": 2398204.629,
                "count": 972302,
                "maximum": 2398790.036,
                "minimum": 2397998.496,
                "name": "Y",
                "position": 1,
                "stddev": 150.7973215,
                "variance": 22739.83217
              },
              {
                "average": -11.2572316,
                "count": 972302,
                "maximum": -7.165852857,
                "minimum": -23.14585286,
                "name": "Z",
                "position": 2,
                "stddev": 1.931290367,
                "variance": 3.729882482
              },
              {
                "average": 20.80721319,
                "count": 972302,
                "maximum": 5082,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.2088533,
                "variance": 2324.093537
              },
              {
                "average": 1.00118276,
                "count": 972302,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0343709526,
                "variance": 0.001181362383
              },
              {
                "average": 1.002165994,
                "count": 972302,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04671053574,
                "variance": 0.002181874149
              },
              {
                "average": 1,
                "count": 972302,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 972302,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 972302,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.05052337,
                "count": 972302,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.855375421,
                "variance": 46.99617216
              },
              {
                "average": 98.14359736,
                "count": 972302,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 70.89099532,
                "variance": 5025.533218
              },
              {
                "average": 1.600089273,
                "count": 972302,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7172953343,
                "variance": 0.5145125967
              },
              {
                "average": 62796421.84,
                "count": 972302,
                "maximum": 62797269.61,
                "minimum": 62796223.77,
                "name": "GpsTime",
                "position": 12,
                "stddev": 238.5551398,
                "variance": 56908.55472
              },
              {
                "average": 0,
                "count": 972302,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 972302,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 972302,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 972302,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 972302,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              598197.6174,
              2397998.496,
              -23.14585286,
              598999.6574,
              2398790.036,
              -7.165852857
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    598197.6174458731,
                    2397998.495872735,
                    -23.145852857320563
                  ],
                  [
                    598197.6174458731,
                    2398790.035872735,
                    -23.145852857320563
                  ],
                  [
                    598999.6574458731,
                    2398790.035872735,
                    -7.165852857320564
                  ],
                  [
                    598999.6574458731,
                    2397998.495872735,
                    -7.165852857320564
                  ],
                  [
                    598197.6174458731,
                    2397998.495872735,
                    -23.145852857320563
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:27:49+00:00",
            "end_time": "2013-09-09T21:10:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1356.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.91055935437757,
              21.302331927195084,
              -8.784467480586361
            ],
            [
              -157.91049274010274,
              21.311365606733506,
              -8.784467480586361
            ],
            [
              -157.90085238327237,
              21.311302899602676,
              10.83553251941364
            ],
            [
              -157.90091958639857,
              21.302269249073074,
              10.83553251941364
            ],
            [
              -157.91055935437757,
              21.302331927195084,
              -8.784467480586361
            ]
          ]
        ]
      },
      "bbox": [
        -157.9105594,
        21.30226925,
        -8.784467481,
        -157.9008524,
        21.31136561,
        10.83553252
      ],
      "properties": {
        "datetime": "2013-09-17T12:48:31Z",
        "pc:count": 4004549,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613460.7218,
            "count": 4004549,
            "maximum": 613999.7543,
            "minimum": 612999.7543,
            "name": "X",
            "position": 0,
            "stddev": 315.3161923,
            "variance": 99424.30115
          },
          {
            "average": 2356461.085,
            "count": 4004549,
            "maximum": 2356998.444,
            "minimum": 2355998.444,
            "name": "Y",
            "position": 1,
            "stddev": 257.9139423,
            "variance": 66519.60162
          },
          {
            "average": 1.496062362,
            "count": 4004549,
            "maximum": 10.83553252,
            "minimum": -8.784467481,
            "name": "Z",
            "position": 2,
            "stddev": 1.859845076,
            "variance": 3.459023708
          },
          {
            "average": 27.11534183,
            "count": 4004549,
            "maximum": 895,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.45529538,
            "variance": 1802.452106
          },
          {
            "average": 1.055974093,
            "count": 4004549,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2694189244,
            "variance": 0.07258655683
          },
          {
            "average": 1.111651275,
            "count": 4004549,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4030259088,
            "variance": 0.1624298831
          },
          {
            "average": 1,
            "count": 4004549,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4004549,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.57383815,
            "count": 4004549,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.07888911,
            "variance": 171.0573403
          },
          {
            "average": 0.6716240824,
            "count": 4004549,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.427453159,
            "variance": 11.74743516
          },
          {
            "average": 91.27740477,
            "count": 4004549,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.7836737,
            "variance": 4460.059073
          },
          {
            "average": 9.312643197,
            "count": 4004549,
            "maximum": 16,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.053962958,
            "variance": 16.43461566
          },
          {
            "average": 63382224.47,
            "count": 4004549,
            "maximum": 63457311.02,
            "minimum": 63282258.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 34680.22735,
            "variance": 1202718169
          },
          {
            "average": 0,
            "count": 4004549,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4004549,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4004549,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4004549,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4004549,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7543,
          2355998.444,
          -8.784467481,
          613999.7543,
          2356998.444,
          10.83553252
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.7543443432,
                2355998.443777898,
                -8.784467480586361
              ],
              [
                612999.7543443432,
                2356998.443777898,
                -8.784467480586361
              ],
              [
                613999.7543443432,
                2356998.443777898,
                10.83553251941364
              ],
              [
                613999.7543443432,
                2355998.443777898,
                10.83553251941364
              ],
              [
                612999.7543443432,
                2355998.443777898,
                -8.784467480586361
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:48:31+00:00",
        "end_time": "2013-09-15T12:10:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1356.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1356.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1356.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1356.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9105594,
            21.30226925,
            -8.784467481,
            -157.9008524,
            21.31136561,
            10.83553252
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.91055935437757,
                  21.302331927195084,
                  -8.784467480586361
                ],
                [
                  -157.91049274010274,
                  21.311365606733506,
                  -8.784467480586361
                ],
                [
                  -157.90085238327237,
                  21.311302899602676,
                  10.83553251941364
                ],
                [
                  -157.90091958639857,
                  21.302269249073074,
                  10.83553251941364
                ],
                [
                  -157.91055935437757,
                  21.302331927195084,
                  -8.784467480586361
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1356.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1356.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:48:31Z",
            "pc:count": 4004549,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613460.7218,
                "count": 4004549,
                "maximum": 613999.7543,
                "minimum": 612999.7543,
                "name": "X",
                "position": 0,
                "stddev": 315.3161923,
                "variance": 99424.30115
              },
              {
                "average": 2356461.085,
                "count": 4004549,
                "maximum": 2356998.444,
                "minimum": 2355998.444,
                "name": "Y",
                "position": 1,
                "stddev": 257.9139423,
                "variance": 66519.60162
              },
              {
                "average": 1.496062362,
                "count": 4004549,
                "maximum": 10.83553252,
                "minimum": -8.784467481,
                "name": "Z",
                "position": 2,
                "stddev": 1.859845076,
                "variance": 3.459023708
              },
              {
                "average": 27.11534183,
                "count": 4004549,
                "maximum": 895,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.45529538,
                "variance": 1802.452106
              },
              {
                "average": 1.055974093,
                "count": 4004549,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2694189244,
                "variance": 0.07258655683
              },
              {
                "average": 1.111651275,
                "count": 4004549,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4030259088,
                "variance": 0.1624298831
              },
              {
                "average": 1,
                "count": 4004549,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4004549,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.57383815,
                "count": 4004549,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.07888911,
                "variance": 171.0573403
              },
              {
                "average": 0.6716240824,
                "count": 4004549,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.427453159,
                "variance": 11.74743516
              },
              {
                "average": 91.27740477,
                "count": 4004549,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.7836737,
                "variance": 4460.059073
              },
              {
                "average": 9.312643197,
                "count": 4004549,
                "maximum": 16,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.053962958,
                "variance": 16.43461566
              },
              {
                "average": 63382224.47,
                "count": 4004549,
                "maximum": 63457311.02,
                "minimum": 63282258.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 34680.22735,
                "variance": 1202718169
              },
              {
                "average": 0,
                "count": 4004549,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4004549,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4004549,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4004549,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4004549,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7543,
              2355998.444,
              -8.784467481,
              613999.7543,
              2356998.444,
              10.83553252
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.7543443432,
                    2355998.443777898,
                    -8.784467480586361
                  ],
                  [
                    612999.7543443432,
                    2356998.443777898,
                    -8.784467480586361
                  ],
                  [
                    613999.7543443432,
                    2356998.443777898,
                    10.83553251941364
                  ],
                  [
                    613999.7543443432,
                    2355998.443777898,
                    10.83553251941364
                  ],
                  [
                    612999.7543443432,
                    2355998.443777898,
                    -8.784467480586361
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:48:31+00:00",
            "end_time": "2013-09-15T12:10:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9953.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.04564386916016,
              21.28395048107827,
              -26.24672119571214
            ],
            [
              -158.04563656049945,
              21.285083354387563,
              -26.24672119571214
            ],
            [
              -158.0359977230677,
              21.285028440101534,
              -17.366721195712138
            ],
            [
              -158.03600510546238,
              21.283895570068424,
              -17.366721195712138
            ],
            [
              -158.04564386916016,
              21.28395048107827,
              -26.24672119571214
            ]
          ]
        ]
      },
      "bbox": [
        -158.0456439,
        21.28389557,
        -26.2467212,
        -158.0359977,
        21.28508335,
        -17.3667212
      ],
      "properties": {
        "datetime": "2013-09-15T10:21:43Z",
        "pc:count": 52849,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 599463.5463,
            "count": 52849,
            "maximum": 599999.6807,
            "minimum": 598999.7007,
            "name": "X",
            "position": 0,
            "stddev": 282.8327012,
            "variance": 79994.33686
          },
          {
            "average": 2353934.796,
            "count": 52849,
            "maximum": 2353998.443,
            "minimum": 2353873.043,
            "name": "Y",
            "position": 1,
            "stddev": 32.83348041,
            "variance": 1078.037436
          },
          {
            "average": -21.46473857,
            "count": 52849,
            "maximum": -17.3667212,
            "minimum": -26.2467212,
            "name": "Z",
            "position": 2,
            "stddev": 1.968296058,
            "variance": 3.874189371
          },
          {
            "average": 239.8172908,
            "count": 52849,
            "maximum": 601,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 94.47355627,
            "variance": 8925.252834
          },
          {
            "average": 1.000264906,
            "count": 52849,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01627392119,
            "variance": 0.0002648405109
          },
          {
            "average": 1.000264906,
            "count": 52849,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01627392119,
            "variance": 0.0002648405109
          },
          {
            "average": 1,
            "count": 52849,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 52849,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 52849,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 52849,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 248.684573,
            "count": 52849,
            "maximum": 251,
            "minimum": 32,
            "name": "UserData",
            "position": 10,
            "stddev": 6.793792235,
            "variance": 46.15561294
          },
          {
            "average": 6,
            "count": 52849,
            "maximum": 6,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63275694.63,
            "count": 52849,
            "maximum": 63275703.05,
            "minimum": 63275685.69,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.112765738,
            "variance": 16.91484202
          },
          {
            "average": 0,
            "count": 52849,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 52849,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 52849,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 52849,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 52849,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          598999.7007,
          2353873.043,
          -26.2467212,
          599999.6807,
          2353998.443,
          -17.3667212
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                598999.7006872005,
                2353873.0426586997,
                -26.24672119571214
              ],
              [
                598999.7006872005,
                2353998.4426587,
                -26.24672119571214
              ],
              [
                599999.6806872005,
                2353998.4426587,
                -17.366721195712138
              ],
              [
                599999.6806872005,
                2353873.0426586997,
                -17.366721195712138
              ],
              [
                598999.7006872005,
                2353873.0426586997,
                -26.24672119571214
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:21:43+00:00",
        "end_time": "2013-09-15T10:21:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9953.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9953.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9953.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9953.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0456439,
            21.28389557,
            -26.2467212,
            -158.0359977,
            21.28508335,
            -17.3667212
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.04564386916016,
                  21.28395048107827,
                  -26.24672119571214
                ],
                [
                  -158.04563656049945,
                  21.285083354387563,
                  -26.24672119571214
                ],
                [
                  -158.0359977230677,
                  21.285028440101534,
                  -17.366721195712138
                ],
                [
                  -158.03600510546238,
                  21.283895570068424,
                  -17.366721195712138
                ],
                [
                  -158.04564386916016,
                  21.28395048107827,
                  -26.24672119571214
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9953.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9953.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:21:43Z",
            "pc:count": 52849,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 599463.5463,
                "count": 52849,
                "maximum": 599999.6807,
                "minimum": 598999.7007,
                "name": "X",
                "position": 0,
                "stddev": 282.8327012,
                "variance": 79994.33686
              },
              {
                "average": 2353934.796,
                "count": 52849,
                "maximum": 2353998.443,
                "minimum": 2353873.043,
                "name": "Y",
                "position": 1,
                "stddev": 32.83348041,
                "variance": 1078.037436
              },
              {
                "average": -21.46473857,
                "count": 52849,
                "maximum": -17.3667212,
                "minimum": -26.2467212,
                "name": "Z",
                "position": 2,
                "stddev": 1.968296058,
                "variance": 3.874189371
              },
              {
                "average": 239.8172908,
                "count": 52849,
                "maximum": 601,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 94.47355627,
                "variance": 8925.252834
              },
              {
                "average": 1.000264906,
                "count": 52849,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01627392119,
                "variance": 0.0002648405109
              },
              {
                "average": 1.000264906,
                "count": 52849,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01627392119,
                "variance": 0.0002648405109
              },
              {
                "average": 1,
                "count": 52849,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 52849,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 52849,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 52849,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 248.684573,
                "count": 52849,
                "maximum": 251,
                "minimum": 32,
                "name": "UserData",
                "position": 10,
                "stddev": 6.793792235,
                "variance": 46.15561294
              },
              {
                "average": 6,
                "count": 52849,
                "maximum": 6,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63275694.63,
                "count": 52849,
                "maximum": 63275703.05,
                "minimum": 63275685.69,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.112765738,
                "variance": 16.91484202
              },
              {
                "average": 0,
                "count": 52849,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 52849,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 52849,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 52849,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 52849,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              598999.7007,
              2353873.043,
              -26.2467212,
              599999.6807,
              2353998.443,
              -17.3667212
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    598999.7006872005,
                    2353873.0426586997,
                    -26.24672119571214
                  ],
                  [
                    598999.7006872005,
                    2353998.4426587,
                    -26.24672119571214
                  ],
                  [
                    599999.6806872005,
                    2353998.4426587,
                    -17.366721195712138
                  ],
                  [
                    599999.6806872005,
                    2353873.0426586997,
                    -17.366721195712138
                  ],
                  [
                    598999.7006872005,
                    2353873.0426586997,
                    -26.24672119571214
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:21:43+00:00",
            "end_time": "2013-09-15T10:21:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9289.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11119777050197,
              21.601645486581816,
              -28.026814321217017
            ],
            [
              -158.11114259032394,
              21.610679572222534,
              -28.026814321217017
            ],
            [
              -158.10148193834868,
              21.610627673028915,
              38.13318567878298
            ],
            [
              -158.10153771824432,
              21.601593610980423,
              38.13318567878298
            ],
            [
              -158.11119777050197,
              21.601645486581816,
              -28.026814321217017
            ]
          ]
        ]
      },
      "bbox": [
        -158.1111978,
        21.60159361,
        -28.02681432,
        -158.1014819,
        21.61067957,
        38.13318568
      ],
      "properties": {
        "datetime": "2013-09-22T23:52:01Z",
        "pc:count": 8031662,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592642.865,
            "count": 8031662,
            "maximum": 592999.6349,
            "minimum": 591999.6349,
            "name": "X",
            "position": 0,
            "stddev": 266.3497826,
            "variance": 70942.20667
          },
          {
            "average": 2389371.085,
            "count": 8031662,
            "maximum": 2389998.484,
            "minimum": 2388998.464,
            "name": "Y",
            "position": 1,
            "stddev": 288.7891777,
            "variance": 83399.18918
          },
          {
            "average": 1.657508656,
            "count": 8031662,
            "maximum": 38.13318568,
            "minimum": -28.02681432,
            "name": "Z",
            "position": 2,
            "stddev": 7.713253171,
            "variance": 59.49427447
          },
          {
            "average": 9.043982055,
            "count": 8031662,
            "maximum": 6791,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.27559461,
            "variance": 743.9580613
          },
          {
            "average": 1.654723144,
            "count": 8031662,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.044496662,
            "variance": 1.090973277
          },
          {
            "average": 2.31974478,
            "count": 8031662,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.577987322,
            "variance": 2.490043988
          },
          {
            "average": 1,
            "count": 8031662,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8031662,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.30815826,
            "count": 8031662,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.85946714,
            "variance": 192.0848293
          },
          {
            "average": 19.92996444,
            "count": 8031662,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.742350131,
            "variance": 14.00518451
          },
          {
            "average": 93.95529281,
            "count": 8031662,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.76727144,
            "variance": 5008.006708
          },
          {
            "average": 3.424242828,
            "count": 8031662,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.959636027,
            "variance": 3.840173358
          },
          {
            "average": 63248896.23,
            "count": 8031662,
            "maximum": 63929121.72,
            "minimum": 62800114.64,
            "name": "GpsTime",
            "position": 12,
            "stddev": 457730.6064,
            "variance": 209517308000.0
          },
          {
            "average": 0,
            "count": 8031662,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8031662,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8031662,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8031662,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8031662,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.6349,
          2388998.464,
          -28.02681432,
          592999.6349,
          2389998.484,
          38.13318568
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.6349461799,
                2388998.4638318345,
                -28.026814321217017
              ],
              [
                591999.6349461799,
                2389998.483831834,
                -28.026814321217017
              ],
              [
                592999.6349461799,
                2389998.483831834,
                38.13318567878298
              ],
              [
                592999.6349461799,
                2388998.4638318345,
                38.13318567878298
              ],
              [
                591999.6349461799,
                2388998.4638318345,
                -28.026814321217017
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:52:01+00:00",
        "end_time": "2013-09-09T22:15:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9289.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9289.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9289.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9289.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1111978,
            21.60159361,
            -28.02681432,
            -158.1014819,
            21.61067957,
            38.13318568
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11119777050197,
                  21.601645486581816,
                  -28.026814321217017
                ],
                [
                  -158.11114259032394,
                  21.610679572222534,
                  -28.026814321217017
                ],
                [
                  -158.10148193834868,
                  21.610627673028915,
                  38.13318567878298
                ],
                [
                  -158.10153771824432,
                  21.601593610980423,
                  38.13318567878298
                ],
                [
                  -158.11119777050197,
                  21.601645486581816,
                  -28.026814321217017
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9289.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9289.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:52:01Z",
            "pc:count": 8031662,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592642.865,
                "count": 8031662,
                "maximum": 592999.6349,
                "minimum": 591999.6349,
                "name": "X",
                "position": 0,
                "stddev": 266.3497826,
                "variance": 70942.20667
              },
              {
                "average": 2389371.085,
                "count": 8031662,
                "maximum": 2389998.484,
                "minimum": 2388998.464,
                "name": "Y",
                "position": 1,
                "stddev": 288.7891777,
                "variance": 83399.18918
              },
              {
                "average": 1.657508656,
                "count": 8031662,
                "maximum": 38.13318568,
                "minimum": -28.02681432,
                "name": "Z",
                "position": 2,
                "stddev": 7.713253171,
                "variance": 59.49427447
              },
              {
                "average": 9.043982055,
                "count": 8031662,
                "maximum": 6791,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.27559461,
                "variance": 743.9580613
              },
              {
                "average": 1.654723144,
                "count": 8031662,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.044496662,
                "variance": 1.090973277
              },
              {
                "average": 2.31974478,
                "count": 8031662,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.577987322,
                "variance": 2.490043988
              },
              {
                "average": 1,
                "count": 8031662,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8031662,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.30815826,
                "count": 8031662,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.85946714,
                "variance": 192.0848293
              },
              {
                "average": 19.92996444,
                "count": 8031662,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.742350131,
                "variance": 14.00518451
              },
              {
                "average": 93.95529281,
                "count": 8031662,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.76727144,
                "variance": 5008.006708
              },
              {
                "average": 3.424242828,
                "count": 8031662,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.959636027,
                "variance": 3.840173358
              },
              {
                "average": 63248896.23,
                "count": 8031662,
                "maximum": 63929121.72,
                "minimum": 62800114.64,
                "name": "GpsTime",
                "position": 12,
                "stddev": 457730.6064,
                "variance": 209517308000.0
              },
              {
                "average": 0,
                "count": 8031662,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8031662,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8031662,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8031662,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8031662,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.6349,
              2388998.464,
              -28.02681432,
              592999.6349,
              2389998.484,
              38.13318568
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.6349461799,
                    2388998.4638318345,
                    -28.026814321217017
                  ],
                  [
                    591999.6349461799,
                    2389998.483831834,
                    -28.026814321217017
                  ],
                  [
                    592999.6349461799,
                    2389998.483831834,
                    38.13318567878298
                  ],
                  [
                    592999.6349461799,
                    2388998.4638318345,
                    38.13318567878298
                  ],
                  [
                    591999.6349461799,
                    2388998.4638318345,
                    -28.026814321217017
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:52:01+00:00",
            "end_time": "2013-09-09T22:15:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0857.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.95869523478964,
              21.31167088095282,
              -4.432764165250283
            ],
            [
              -157.9586315246184,
              21.320704691325655,
              -4.432764165250283
            ],
            [
              -157.94899042240755,
              21.320644720804445,
              32.827235834749715
            ],
            [
              -157.94905472259535,
              21.311610937696802,
              32.827235834749715
            ],
            [
              -157.95869523478964,
              21.31167088095282,
              -4.432764165250283
            ]
          ]
        ]
      },
      "bbox": [
        -157.9586952,
        21.31161094,
        -4.432764165,
        -157.9489904,
        21.32070469,
        32.82723583
      ],
      "properties": {
        "datetime": "2013-09-16T10:03:46Z",
        "pc:count": 2776753,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608444.8884,
            "count": 2776753,
            "maximum": 608999.7345,
            "minimum": 607999.7345,
            "name": "X",
            "position": 0,
            "stddev": 301.1319023,
            "variance": 90680.42259
          },
          {
            "average": 2357713.894,
            "count": 2776753,
            "maximum": 2357998.445,
            "minimum": 2356998.445,
            "name": "Y",
            "position": 1,
            "stddev": 207.378642,
            "variance": 43005.90114
          },
          {
            "average": 3.808095184,
            "count": 2776753,
            "maximum": 32.82723583,
            "minimum": -4.432764165,
            "name": "Z",
            "position": 2,
            "stddev": 4.081038413,
            "variance": 16.65487453
          },
          {
            "average": 32.73431414,
            "count": 2776753,
            "maximum": 913,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 51.97574502,
            "variance": 2701.47807
          },
          {
            "average": 1.227065569,
            "count": 2776753,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.597204951,
            "variance": 0.3566537535
          },
          {
            "average": 1.427487429,
            "count": 2776753,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8852262841,
            "variance": 0.7836255741
          },
          {
            "average": 1,
            "count": 2776753,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2776753,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.132187126,
            "count": 2776753,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.399756788,
            "variance": 70.5559141
          },
          {
            "average": 0,
            "count": 2776753,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.05037466,
            "count": 2776753,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.32651281,
            "variance": 4267.553277
          },
          {
            "average": 4.173536141,
            "count": 2776753,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.058642411,
            "variance": 9.3552934
          },
          {
            "average": 63305867.74,
            "count": 2776753,
            "maximum": 63361026.43,
            "minimum": 63276178.76,
            "name": "GpsTime",
            "position": 12,
            "stddev": 33589.94271,
            "variance": 1128284251
          },
          {
            "average": 0,
            "count": 2776753,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2776753,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2776753,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2776753,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2776753,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          607999.7345,
          2356998.445,
          -4.432764165,
          608999.7345,
          2357998.445,
          32.82723583
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                607999.7344751958,
                2356998.4450584357,
                -4.432764165250283
              ],
              [
                607999.7344751958,
                2357998.4450584357,
                -4.432764165250283
              ],
              [
                608999.7344751958,
                2357998.4450584357,
                32.827235834749715
              ],
              [
                608999.7344751958,
                2356998.4450584357,
                32.827235834749715
              ],
              [
                607999.7344751958,
                2356998.4450584357,
                -4.432764165250283
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:03:46+00:00",
        "end_time": "2013-09-15T10:29:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0857.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0857.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0857.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0857.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9586952,
            21.31161094,
            -4.432764165,
            -157.9489904,
            21.32070469,
            32.82723583
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.95869523478964,
                  21.31167088095282,
                  -4.432764165250283
                ],
                [
                  -157.9586315246184,
                  21.320704691325655,
                  -4.432764165250283
                ],
                [
                  -157.94899042240755,
                  21.320644720804445,
                  32.827235834749715
                ],
                [
                  -157.94905472259535,
                  21.311610937696802,
                  32.827235834749715
                ],
                [
                  -157.95869523478964,
                  21.31167088095282,
                  -4.432764165250283
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0857.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0857.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:03:46Z",
            "pc:count": 2776753,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608444.8884,
                "count": 2776753,
                "maximum": 608999.7345,
                "minimum": 607999.7345,
                "name": "X",
                "position": 0,
                "stddev": 301.1319023,
                "variance": 90680.42259
              },
              {
                "average": 2357713.894,
                "count": 2776753,
                "maximum": 2357998.445,
                "minimum": 2356998.445,
                "name": "Y",
                "position": 1,
                "stddev": 207.378642,
                "variance": 43005.90114
              },
              {
                "average": 3.808095184,
                "count": 2776753,
                "maximum": 32.82723583,
                "minimum": -4.432764165,
                "name": "Z",
                "position": 2,
                "stddev": 4.081038413,
                "variance": 16.65487453
              },
              {
                "average": 32.73431414,
                "count": 2776753,
                "maximum": 913,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 51.97574502,
                "variance": 2701.47807
              },
              {
                "average": 1.227065569,
                "count": 2776753,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.597204951,
                "variance": 0.3566537535
              },
              {
                "average": 1.427487429,
                "count": 2776753,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8852262841,
                "variance": 0.7836255741
              },
              {
                "average": 1,
                "count": 2776753,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2776753,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.132187126,
                "count": 2776753,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.399756788,
                "variance": 70.5559141
              },
              {
                "average": 0,
                "count": 2776753,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.05037466,
                "count": 2776753,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.32651281,
                "variance": 4267.553277
              },
              {
                "average": 4.173536141,
                "count": 2776753,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.058642411,
                "variance": 9.3552934
              },
              {
                "average": 63305867.74,
                "count": 2776753,
                "maximum": 63361026.43,
                "minimum": 63276178.76,
                "name": "GpsTime",
                "position": 12,
                "stddev": 33589.94271,
                "variance": 1128284251
              },
              {
                "average": 0,
                "count": 2776753,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2776753,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2776753,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2776753,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2776753,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              607999.7345,
              2356998.445,
              -4.432764165,
              608999.7345,
              2357998.445,
              32.82723583
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    607999.7344751958,
                    2356998.4450584357,
                    -4.432764165250283
                  ],
                  [
                    607999.7344751958,
                    2357998.4450584357,
                    -4.432764165250283
                  ],
                  [
                    608999.7344751958,
                    2357998.4450584357,
                    32.827235834749715
                  ],
                  [
                    608999.7344751958,
                    2356998.4450584357,
                    32.827235834749715
                  ],
                  [
                    607999.7344751958,
                    2356998.4450584357,
                    -4.432764165250283
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:03:46+00:00",
            "end_time": "2013-09-15T10:29:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1193.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92739478668895,
              21.636697660114812,
              -2.081815866232645
            ],
            [
              -157.92732807154326,
              21.64573103022836,
              -2.081815866232645
            ],
            [
              -157.9176656721828,
              21.64566835322791,
              38.698184133767356
            ],
            [
              -157.91773298617937,
              21.63663501243928,
              38.698184133767356
            ],
            [
              -157.92739478668895,
              21.636697660114812,
              -2.081815866232645
            ]
          ]
        ]
      },
      "bbox": [
        -157.9273948,
        21.63663501,
        -2.081815866,
        -157.9176657,
        21.64573103,
        38.69818413
      ],
      "properties": {
        "datetime": "2013-09-22T02:10:25Z",
        "pc:count": 5589553,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611480.9947,
            "count": 5589553,
            "maximum": 611999.7652,
            "minimum": 610999.7652,
            "name": "X",
            "position": 0,
            "stddev": 280.5985669,
            "variance": 78735.55576
          },
          {
            "average": 2393498.303,
            "count": 5589553,
            "maximum": 2393998.484,
            "minimum": 2392998.484,
            "name": "Y",
            "position": 1,
            "stddev": 287.862099,
            "variance": 82864.58804
          },
          {
            "average": 6.574611768,
            "count": 5589553,
            "maximum": 38.69818413,
            "minimum": -2.081815866,
            "name": "Z",
            "position": 2,
            "stddev": 4.955849058,
            "variance": 24.56043988
          },
          {
            "average": 29.59399455,
            "count": 5589553,
            "maximum": 8835,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.53404336,
            "variance": 2073.349105
          },
          {
            "average": 1.238158221,
            "count": 5589553,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.600302502,
            "variance": 0.3603630939
          },
          {
            "average": 1.477104162,
            "count": 5589553,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.900322069,
            "variance": 0.8105798278
          },
          {
            "average": 1,
            "count": 5589553,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5589553,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.958229039,
            "count": 5589553,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.668710904,
            "variance": 44.47170512
          },
          {
            "average": 20.09193203,
            "count": 5589553,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.571762103,
            "variance": 6.613960315
          },
          {
            "average": 91.67932284,
            "count": 5589553,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.19012161,
            "variance": 4249.751956
          },
          {
            "average": 8.450363383,
            "count": 5589553,
            "maximum": 12,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.549589622,
            "variance": 2.401227995
          },
          {
            "average": 63848957.24,
            "count": 5589553,
            "maximum": 63851025.73,
            "minimum": 63846882.11,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1025.338528,
            "variance": 1051319.097
          },
          {
            "average": 0,
            "count": 5589553,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5589553,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5589553,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5589553,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5589553,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7652,
          2392998.484,
          -2.081815866,
          611999.7652,
          2393998.484,
          38.69818413
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7652025181,
                2392998.483926937,
                -2.081815866232645
              ],
              [
                610999.7652025181,
                2393998.483926937,
                -2.081815866232645
              ],
              [
                611999.7652025181,
                2393998.483926937,
                38.698184133767356
              ],
              [
                611999.7652025181,
                2392998.483926937,
                38.698184133767356
              ],
              [
                610999.7652025181,
                2392998.483926937,
                -2.081815866232645
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:10:25+00:00",
        "end_time": "2013-09-22T01:01:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1193.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1193.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1193.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1193.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9273948,
            21.63663501,
            -2.081815866,
            -157.9176657,
            21.64573103,
            38.69818413
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92739478668895,
                  21.636697660114812,
                  -2.081815866232645
                ],
                [
                  -157.92732807154326,
                  21.64573103022836,
                  -2.081815866232645
                ],
                [
                  -157.9176656721828,
                  21.64566835322791,
                  38.698184133767356
                ],
                [
                  -157.91773298617937,
                  21.63663501243928,
                  38.698184133767356
                ],
                [
                  -157.92739478668895,
                  21.636697660114812,
                  -2.081815866232645
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1193.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1193.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:10:25Z",
            "pc:count": 5589553,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611480.9947,
                "count": 5589553,
                "maximum": 611999.7652,
                "minimum": 610999.7652,
                "name": "X",
                "position": 0,
                "stddev": 280.5985669,
                "variance": 78735.55576
              },
              {
                "average": 2393498.303,
                "count": 5589553,
                "maximum": 2393998.484,
                "minimum": 2392998.484,
                "name": "Y",
                "position": 1,
                "stddev": 287.862099,
                "variance": 82864.58804
              },
              {
                "average": 6.574611768,
                "count": 5589553,
                "maximum": 38.69818413,
                "minimum": -2.081815866,
                "name": "Z",
                "position": 2,
                "stddev": 4.955849058,
                "variance": 24.56043988
              },
              {
                "average": 29.59399455,
                "count": 5589553,
                "maximum": 8835,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.53404336,
                "variance": 2073.349105
              },
              {
                "average": 1.238158221,
                "count": 5589553,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.600302502,
                "variance": 0.3603630939
              },
              {
                "average": 1.477104162,
                "count": 5589553,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.900322069,
                "variance": 0.8105798278
              },
              {
                "average": 1,
                "count": 5589553,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5589553,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.958229039,
                "count": 5589553,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.668710904,
                "variance": 44.47170512
              },
              {
                "average": 20.09193203,
                "count": 5589553,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.571762103,
                "variance": 6.613960315
              },
              {
                "average": 91.67932284,
                "count": 5589553,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.19012161,
                "variance": 4249.751956
              },
              {
                "average": 8.450363383,
                "count": 5589553,
                "maximum": 12,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.549589622,
                "variance": 2.401227995
              },
              {
                "average": 63848957.24,
                "count": 5589553,
                "maximum": 63851025.73,
                "minimum": 63846882.11,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1025.338528,
                "variance": 1051319.097
              },
              {
                "average": 0,
                "count": 5589553,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5589553,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5589553,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5589553,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5589553,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7652,
              2392998.484,
              -2.081815866,
              611999.7652,
              2393998.484,
              38.69818413
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7652025181,
                    2392998.483926937,
                    -2.081815866232645
                  ],
                  [
                    610999.7652025181,
                    2393998.483926937,
                    -2.081815866232645
                  ],
                  [
                    611999.7652025181,
                    2393998.483926937,
                    38.698184133767356
                  ],
                  [
                    611999.7652025181,
                    2392998.483926937,
                    38.698184133767356
                  ],
                  [
                    610999.7652025181,
                    2392998.483926937,
                    -2.081815866232645
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:10:25+00:00",
            "end_time": "2013-09-22T01:01:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qej9954.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.04563668716648,
              21.285083451574412,
              -21.76667551974853
            ],
            [
              -158.04557838706495,
              21.294117523653934,
              -21.76667551974853
            ],
            [
              -158.03593857569948,
              21.294062581251286,
              -3.686675519748528
            ],
            [
              -158.03599746416745,
              21.28502853508776,
              -3.686675519748528
            ],
            [
              -158.04563668716648,
              21.285083451574412,
              -21.76667551974853
            ]
          ]
        ]
      },
      "bbox": [
        -158.0456367,
        21.28502854,
        -21.76667552,
        -158.0359386,
        21.29411752,
        -3.68667552
      ],
      "properties": {
        "datetime": "2013-09-17T12:18:34Z",
        "pc:count": 4495198,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 599480.3772,
            "count": 4495198,
            "maximum": 599999.7075,
            "minimum": 598999.6875,
            "name": "X",
            "position": 0,
            "stddev": 289.0819078,
            "variance": 83568.34941
          },
          {
            "average": 2354647.722,
            "count": 4495198,
            "maximum": 2354998.453,
            "minimum": 2353998.453,
            "name": "Y",
            "position": 1,
            "stddev": 247.1232078,
            "variance": 61069.87984
          },
          {
            "average": -9.572982332,
            "count": 4495198,
            "maximum": -3.68667552,
            "minimum": -21.76667552,
            "name": "Z",
            "position": 2,
            "stddev": 2.250937688,
            "variance": 5.066720476
          },
          {
            "average": 18.19134196,
            "count": 4495198,
            "maximum": 2169,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 40.3537657,
            "variance": 1628.426406
          },
          {
            "average": 1.00243838,
            "count": 4495198,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04943235406,
            "variance": 0.002443557628
          },
          {
            "average": 1.003877916,
            "count": 4495198,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0623022085,
            "variance": 0.003881565184
          },
          {
            "average": 1,
            "count": 4495198,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4495198,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4495198,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4495198,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 99.16754101,
            "count": 4495198,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 72.33465667,
            "variance": 5232.302555
          },
          {
            "average": 5.903257432,
            "count": 4495198,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.085867795,
            "variance": 25.86605123
          },
          {
            "average": 63365370.17,
            "count": 4495198,
            "maximum": 63455514.06,
            "minimum": 63275684.91,
            "name": "GpsTime",
            "position": 12,
            "stddev": 71555.00548,
            "variance": 5120118810
          },
          {
            "average": 0,
            "count": 4495198,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4495198,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4495198,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4495198,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4495198,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          598999.6875,
          2353998.453,
          -21.76667552,
          599999.7075,
          2354998.453,
          -3.68667552
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                598999.6874815945,
                2353998.4533366347,
                -21.76667551974853
              ],
              [
                598999.6874815945,
                2354998.4533366347,
                -21.76667551974853
              ],
              [
                599999.7074815945,
                2354998.4533366347,
                -3.686675519748528
              ],
              [
                599999.7074815945,
                2353998.4533366347,
                -3.686675519748528
              ],
              [
                598999.6874815945,
                2353998.4533366347,
                -21.76667551974853
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:18:34+00:00",
        "end_time": "2013-09-15T10:21:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qej9954.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qej9954.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qej9954.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9954.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0456367,
            21.28502854,
            -21.76667552,
            -158.0359386,
            21.29411752,
            -3.68667552
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.04563668716648,
                  21.285083451574412,
                  -21.76667551974853
                ],
                [
                  -158.04557838706495,
                  21.294117523653934,
                  -21.76667551974853
                ],
                [
                  -158.03593857569948,
                  21.294062581251286,
                  -3.686675519748528
                ],
                [
                  -158.03599746416745,
                  21.28502853508776,
                  -3.686675519748528
                ],
                [
                  -158.04563668716648,
                  21.285083451574412,
                  -21.76667551974853
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qej9954.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qej9954.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:18:34Z",
            "pc:count": 4495198,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 599480.3772,
                "count": 4495198,
                "maximum": 599999.7075,
                "minimum": 598999.6875,
                "name": "X",
                "position": 0,
                "stddev": 289.0819078,
                "variance": 83568.34941
              },
              {
                "average": 2354647.722,
                "count": 4495198,
                "maximum": 2354998.453,
                "minimum": 2353998.453,
                "name": "Y",
                "position": 1,
                "stddev": 247.1232078,
                "variance": 61069.87984
              },
              {
                "average": -9.572982332,
                "count": 4495198,
                "maximum": -3.68667552,
                "minimum": -21.76667552,
                "name": "Z",
                "position": 2,
                "stddev": 2.250937688,
                "variance": 5.066720476
              },
              {
                "average": 18.19134196,
                "count": 4495198,
                "maximum": 2169,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 40.3537657,
                "variance": 1628.426406
              },
              {
                "average": 1.00243838,
                "count": 4495198,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04943235406,
                "variance": 0.002443557628
              },
              {
                "average": 1.003877916,
                "count": 4495198,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0623022085,
                "variance": 0.003881565184
              },
              {
                "average": 1,
                "count": 4495198,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4495198,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4495198,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4495198,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 99.16754101,
                "count": 4495198,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 72.33465667,
                "variance": 5232.302555
              },
              {
                "average": 5.903257432,
                "count": 4495198,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.085867795,
                "variance": 25.86605123
              },
              {
                "average": 63365370.17,
                "count": 4495198,
                "maximum": 63455514.06,
                "minimum": 63275684.91,
                "name": "GpsTime",
                "position": 12,
                "stddev": 71555.00548,
                "variance": 5120118810
              },
              {
                "average": 0,
                "count": 4495198,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4495198,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4495198,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4495198,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4495198,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              598999.6875,
              2353998.453,
              -21.76667552,
              599999.7075,
              2354998.453,
              -3.68667552
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    598999.6874815945,
                    2353998.4533366347,
                    -21.76667551974853
                  ],
                  [
                    598999.6874815945,
                    2354998.4533366347,
                    -21.76667551974853
                  ],
                  [
                    599999.7074815945,
                    2354998.4533366347,
                    -3.686675519748528
                  ],
                  [
                    599999.7074815945,
                    2353998.4533366347,
                    -3.686675519748528
                  ],
                  [
                    598999.6874815945,
                    2353998.4533366347,
                    -21.76667551974853
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:18:34+00:00",
            "end_time": "2013-09-15T10:21:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1357.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.91049273572074,
              21.311365659215443,
              -5.439886808174446
            ],
            [
              -157.91042608446523,
              21.320399328421658,
              -5.439886808174446
            ],
            [
              -157.90078513923433,
              21.3203365921318,
              16.700113191825555
            ],
            [
              -157.90085237888698,
              21.31130295208421,
              16.700113191825555
            ],
            [
              -157.91049273572074,
              21.311365659215443,
              -5.439886808174446
            ]
          ]
        ]
      },
      "bbox": [
        -157.9104927,
        21.31130295,
        -5.439886808,
        -157.9007851,
        21.32039933,
        16.70011319
      ],
      "properties": {
        "datetime": "2013-09-16T11:07:43Z",
        "pc:count": 1914602,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613501.1044,
            "count": 1914602,
            "maximum": 613999.7548,
            "minimum": 612999.7548,
            "name": "X",
            "position": 0,
            "stddev": 287.592654,
            "variance": 82709.53464
          },
          {
            "average": 2357458.351,
            "count": 1914602,
            "maximum": 2357998.45,
            "minimum": 2356998.45,
            "name": "Y",
            "position": 1,
            "stddev": 271.5504235,
            "variance": 73739.6325
          },
          {
            "average": -0.4184804062,
            "count": 1914602,
            "maximum": 16.70011319,
            "minimum": -5.439886808,
            "name": "Z",
            "position": 2,
            "stddev": 1.848246954,
            "variance": 3.416016805
          },
          {
            "average": 2.024277631,
            "count": 1914602,
            "maximum": 911,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 9.911007002,
            "variance": 98.2280598
          },
          {
            "average": 1.013926654,
            "count": 1914602,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1367395804,
            "variance": 0.01869771284
          },
          {
            "average": 1.03189958,
            "count": 1914602,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2251972944,
            "variance": 0.05071382139
          },
          {
            "average": 1,
            "count": 1914602,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1914602,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.9394903,
            "count": 1914602,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.290839892,
            "variance": 53.15634632
          },
          {
            "average": 0,
            "count": 1914602,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 110.2707853,
            "count": 1914602,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 85.88395876,
            "variance": 7376.054373
          },
          {
            "average": 4.7771798,
            "count": 1914602,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.815412291,
            "variance": 3.295721787
          },
          {
            "average": 63360158.84,
            "count": 1914602,
            "maximum": 63364863.29,
            "minimum": 63291967.82,
            "name": "GpsTime",
            "position": 12,
            "stddev": 9148.374684,
            "variance": 83692759.37
          },
          {
            "average": 0,
            "count": 1914602,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1914602,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1914602,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1914602,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1914602,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7548,
          2356998.45,
          -5.439886808,
          613999.7548,
          2357998.45,
          16.70011319
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.754758714,
                2356998.4495903505,
                -5.439886808174446
              ],
              [
                612999.754758714,
                2357998.4495903505,
                -5.439886808174446
              ],
              [
                613999.754758714,
                2357998.4495903505,
                16.700113191825555
              ],
              [
                613999.754758714,
                2356998.4495903505,
                16.700113191825555
              ],
              [
                612999.754758714,
                2356998.4495903505,
                -5.439886808174446
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:07:43+00:00",
        "end_time": "2013-09-15T14:52:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1357.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1357.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1357.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1357.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9104927,
            21.31130295,
            -5.439886808,
            -157.9007851,
            21.32039933,
            16.70011319
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.91049273572074,
                  21.311365659215443,
                  -5.439886808174446
                ],
                [
                  -157.91042608446523,
                  21.320399328421658,
                  -5.439886808174446
                ],
                [
                  -157.90078513923433,
                  21.3203365921318,
                  16.700113191825555
                ],
                [
                  -157.90085237888698,
                  21.31130295208421,
                  16.700113191825555
                ],
                [
                  -157.91049273572074,
                  21.311365659215443,
                  -5.439886808174446
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1357.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1357.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:07:43Z",
            "pc:count": 1914602,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613501.1044,
                "count": 1914602,
                "maximum": 613999.7548,
                "minimum": 612999.7548,
                "name": "X",
                "position": 0,
                "stddev": 287.592654,
                "variance": 82709.53464
              },
              {
                "average": 2357458.351,
                "count": 1914602,
                "maximum": 2357998.45,
                "minimum": 2356998.45,
                "name": "Y",
                "position": 1,
                "stddev": 271.5504235,
                "variance": 73739.6325
              },
              {
                "average": -0.4184804062,
                "count": 1914602,
                "maximum": 16.70011319,
                "minimum": -5.439886808,
                "name": "Z",
                "position": 2,
                "stddev": 1.848246954,
                "variance": 3.416016805
              },
              {
                "average": 2.024277631,
                "count": 1914602,
                "maximum": 911,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 9.911007002,
                "variance": 98.2280598
              },
              {
                "average": 1.013926654,
                "count": 1914602,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1367395804,
                "variance": 0.01869771284
              },
              {
                "average": 1.03189958,
                "count": 1914602,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2251972944,
                "variance": 0.05071382139
              },
              {
                "average": 1,
                "count": 1914602,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1914602,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.9394903,
                "count": 1914602,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.290839892,
                "variance": 53.15634632
              },
              {
                "average": 0,
                "count": 1914602,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 110.2707853,
                "count": 1914602,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 85.88395876,
                "variance": 7376.054373
              },
              {
                "average": 4.7771798,
                "count": 1914602,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.815412291,
                "variance": 3.295721787
              },
              {
                "average": 63360158.84,
                "count": 1914602,
                "maximum": 63364863.29,
                "minimum": 63291967.82,
                "name": "GpsTime",
                "position": 12,
                "stddev": 9148.374684,
                "variance": 83692759.37
              },
              {
                "average": 0,
                "count": 1914602,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1914602,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1914602,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1914602,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1914602,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7548,
              2356998.45,
              -5.439886808,
              613999.7548,
              2357998.45,
              16.70011319
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.754758714,
                    2356998.4495903505,
                    -5.439886808174446
                  ],
                  [
                    612999.754758714,
                    2357998.4495903505,
                    -5.439886808174446
                  ],
                  [
                    613999.754758714,
                    2357998.4495903505,
                    16.700113191825555
                  ],
                  [
                    613999.754758714,
                    2356998.4495903505,
                    16.700113191825555
                  ],
                  [
                    612999.754758714,
                    2356998.4495903505,
                    -5.439886808174446
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:07:43+00:00",
            "end_time": "2013-09-15T14:52:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1058.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.93934926200387,
              21.32058409793465,
              0.907684037810206
            ],
            [
              -157.93928429798433,
              21.329618026615137,
              0.907684037810206
            ],
            [
              -157.9296426662356,
              21.329556918834477,
              26.687684037810207
            ],
            [
              -157.9297082160078,
              21.320523018706545,
              26.687684037810207
            ],
            [
              -157.93934926200387,
              21.32058409793465,
              0.907684037810206
            ]
          ]
        ]
      },
      "bbox": [
        -157.9393493,
        21.32052302,
        0.9076840378,
        -157.9296427,
        21.32961803,
        26.68768404
      ],
      "properties": {
        "datetime": "2013-09-15T14:52:21Z",
        "pc:count": 5524413,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610509.9952,
            "count": 5524413,
            "maximum": 610999.7435,
            "minimum": 609999.7435,
            "name": "X",
            "position": 0,
            "stddev": 288.58466,
            "variance": 83281.106
          },
          {
            "average": 2358487.428,
            "count": 5524413,
            "maximum": 2358998.454,
            "minimum": 2357998.434,
            "name": "Y",
            "position": 1,
            "stddev": 303.9930217,
            "variance": 92411.75724
          },
          {
            "average": 3.997821623,
            "count": 5524413,
            "maximum": 26.68768404,
            "minimum": 0.9076840378,
            "name": "Z",
            "position": 2,
            "stddev": 2.352909922,
            "variance": 5.536185102
          },
          {
            "average": 36.88937395,
            "count": 5524413,
            "maximum": 901,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.7997484,
            "variance": 1831.818463
          },
          {
            "average": 1.115002264,
            "count": 5524413,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4479283108,
            "variance": 0.2006397716
          },
          {
            "average": 1.218391348,
            "count": 5524413,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6822027125,
            "variance": 0.465400541
          },
          {
            "average": 1,
            "count": 5524413,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5524413,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.420723795,
            "count": 5524413,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4936753259,
            "variance": 0.2437153274
          },
          {
            "average": 0,
            "count": 5524413,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.65016265,
            "count": 5524413,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.68944369,
            "variance": 4056.345238
          },
          {
            "average": 4.977268716,
            "count": 5524413,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.404439179,
            "variance": 5.781327764
          },
          {
            "average": 63276570.99,
            "count": 5524413,
            "maximum": 63291941.52,
            "minimum": 63273485.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4394.672064,
            "variance": 19313142.55
          },
          {
            "average": 0,
            "count": 5524413,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5524413,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5524413,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5524413,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5524413,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.7435,
          2357998.434,
          0.9076840378,
          610999.7435,
          2358998.454,
          26.68768404
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.7434836237,
                2357998.4342717873,
                0.907684037810206
              ],
              [
                609999.7434836237,
                2358998.454271787,
                0.907684037810206
              ],
              [
                610999.7434836237,
                2358998.454271787,
                26.687684037810207
              ],
              [
                610999.7434836237,
                2357998.4342717873,
                26.687684037810207
              ],
              [
                609999.7434836237,
                2357998.4342717873,
                0.907684037810206
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T14:52:21+00:00",
        "end_time": "2013-09-15T09:44:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1058.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1058.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1058.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1058.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9393493,
            21.32052302,
            0.9076840378,
            -157.9296427,
            21.32961803,
            26.68768404
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.93934926200387,
                  21.32058409793465,
                  0.907684037810206
                ],
                [
                  -157.93928429798433,
                  21.329618026615137,
                  0.907684037810206
                ],
                [
                  -157.9296426662356,
                  21.329556918834477,
                  26.687684037810207
                ],
                [
                  -157.9297082160078,
                  21.320523018706545,
                  26.687684037810207
                ],
                [
                  -157.93934926200387,
                  21.32058409793465,
                  0.907684037810206
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1058.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1058.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T14:52:21Z",
            "pc:count": 5524413,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610509.9952,
                "count": 5524413,
                "maximum": 610999.7435,
                "minimum": 609999.7435,
                "name": "X",
                "position": 0,
                "stddev": 288.58466,
                "variance": 83281.106
              },
              {
                "average": 2358487.428,
                "count": 5524413,
                "maximum": 2358998.454,
                "minimum": 2357998.434,
                "name": "Y",
                "position": 1,
                "stddev": 303.9930217,
                "variance": 92411.75724
              },
              {
                "average": 3.997821623,
                "count": 5524413,
                "maximum": 26.68768404,
                "minimum": 0.9076840378,
                "name": "Z",
                "position": 2,
                "stddev": 2.352909922,
                "variance": 5.536185102
              },
              {
                "average": 36.88937395,
                "count": 5524413,
                "maximum": 901,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.7997484,
                "variance": 1831.818463
              },
              {
                "average": 1.115002264,
                "count": 5524413,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4479283108,
                "variance": 0.2006397716
              },
              {
                "average": 1.218391348,
                "count": 5524413,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6822027125,
                "variance": 0.465400541
              },
              {
                "average": 1,
                "count": 5524413,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5524413,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.420723795,
                "count": 5524413,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4936753259,
                "variance": 0.2437153274
              },
              {
                "average": 0,
                "count": 5524413,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.65016265,
                "count": 5524413,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.68944369,
                "variance": 4056.345238
              },
              {
                "average": 4.977268716,
                "count": 5524413,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.404439179,
                "variance": 5.781327764
              },
              {
                "average": 63276570.99,
                "count": 5524413,
                "maximum": 63291941.52,
                "minimum": 63273485.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4394.672064,
                "variance": 19313142.55
              },
              {
                "average": 0,
                "count": 5524413,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5524413,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5524413,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5524413,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5524413,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.7435,
              2357998.434,
              0.9076840378,
              610999.7435,
              2358998.454,
              26.68768404
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.7434836237,
                    2357998.4342717873,
                    0.907684037810206
                  ],
                  [
                    609999.7434836237,
                    2358998.454271787,
                    0.907684037810206
                  ],
                  [
                    610999.7434836237,
                    2358998.454271787,
                    26.687684037810207
                  ],
                  [
                    610999.7434836237,
                    2357998.4342717873,
                    26.687684037810207
                  ],
                  [
                    609999.7434836237,
                    2357998.4342717873,
                    0.907684037810206
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T14:52:21+00:00",
            "end_time": "2013-09-15T09:44:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9489.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.09186856421016,
              21.603002780393478,
              1.209236082560988
            ],
            [
              -158.0918213047073,
              21.610575139716126,
              1.209236082560988
            ],
            [
              -158.08521462300826,
              21.61053893846496,
              33.749236082560984
            ],
            [
              -158.0852622266518,
              21.602966592879447,
              33.749236082560984
            ],
            [
              -158.09186856421016,
              21.603002780393478,
              1.209236082560988
            ]
          ]
        ]
      },
      "bbox": [
        -158.0918686,
        21.60296659,
        1.209236083,
        -158.0852146,
        21.61057514,
        33.74923608
      ],
      "properties": {
        "datetime": "2013-09-22T23:58:32Z",
        "pc:count": 6296968,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 594221.5041,
            "count": 6296968,
            "maximum": 594683.5168,
            "minimum": 593999.6368,
            "name": "X",
            "position": 0,
            "stddev": 145.5064265,
            "variance": 21172.12014
          },
          {
            "average": 2389712.65,
            "count": 6296968,
            "maximum": 2389998.476,
            "minimum": 2389160.256,
            "name": "Y",
            "position": 1,
            "stddev": 192.5706836,
            "variance": 37083.4682
          },
          {
            "average": 10.22844457,
            "count": 6296968,
            "maximum": 33.74923608,
            "minimum": 1.209236083,
            "name": "Z",
            "position": 2,
            "stddev": 5.33934825,
            "variance": 28.50863974
          },
          {
            "average": 8.681822585,
            "count": 6296968,
            "maximum": 916,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 13.24991642,
            "variance": 175.5602851
          },
          {
            "average": 1.962164489,
            "count": 6296968,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.156234548,
            "variance": 1.33687833
          },
          {
            "average": 2.80674477,
            "count": 6296968,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.568882469,
            "variance": 2.4613922
          },
          {
            "average": 1,
            "count": 6296968,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6296968,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.087791617,
            "count": 6296968,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2829916277,
            "variance": 0.08008426132
          },
          {
            "average": 20.22466123,
            "count": 6296968,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.522669293,
            "variance": 6.363860363
          },
          {
            "average": 92.64989182,
            "count": 6296968,
            "maximum": 199,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.03368532,
            "variance": 4229.380226
          },
          {
            "average": 3.50953713,
            "count": 6296968,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.191927014,
            "variance": 4.804544036
          },
          {
            "average": 63321441.84,
            "count": 6296968,
            "maximum": 63929512.66,
            "minimum": 62875047.06,
            "name": "GpsTime",
            "position": 12,
            "stddev": 372263.329,
            "variance": 138579986100.0
          },
          {
            "average": 0,
            "count": 6296968,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6296968,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6296968,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6296968,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6296968,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          593999.6368,
          2389160.256,
          1.209236083,
          594683.5168,
          2389998.476,
          33.74923608
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                593999.6367765798,
                2389160.2559033125,
                1.209236082560988
              ],
              [
                593999.6367765798,
                2389998.475903312,
                1.209236082560988
              ],
              [
                594683.5167765797,
                2389998.475903312,
                33.749236082560984
              ],
              [
                594683.5167765797,
                2389160.2559033125,
                33.749236082560984
              ],
              [
                593999.6367765798,
                2389160.2559033125,
                1.209236082560988
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:58:32+00:00",
        "end_time": "2013-09-10T19:04:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9489.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9489.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9489.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9489.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0918686,
            21.60296659,
            1.209236083,
            -158.0852146,
            21.61057514,
            33.74923608
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.09186856421016,
                  21.603002780393478,
                  1.209236082560988
                ],
                [
                  -158.0918213047073,
                  21.610575139716126,
                  1.209236082560988
                ],
                [
                  -158.08521462300826,
                  21.61053893846496,
                  33.749236082560984
                ],
                [
                  -158.0852622266518,
                  21.602966592879447,
                  33.749236082560984
                ],
                [
                  -158.09186856421016,
                  21.603002780393478,
                  1.209236082560988
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9489.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9489.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:58:32Z",
            "pc:count": 6296968,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 594221.5041,
                "count": 6296968,
                "maximum": 594683.5168,
                "minimum": 593999.6368,
                "name": "X",
                "position": 0,
                "stddev": 145.5064265,
                "variance": 21172.12014
              },
              {
                "average": 2389712.65,
                "count": 6296968,
                "maximum": 2389998.476,
                "minimum": 2389160.256,
                "name": "Y",
                "position": 1,
                "stddev": 192.5706836,
                "variance": 37083.4682
              },
              {
                "average": 10.22844457,
                "count": 6296968,
                "maximum": 33.74923608,
                "minimum": 1.209236083,
                "name": "Z",
                "position": 2,
                "stddev": 5.33934825,
                "variance": 28.50863974
              },
              {
                "average": 8.681822585,
                "count": 6296968,
                "maximum": 916,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 13.24991642,
                "variance": 175.5602851
              },
              {
                "average": 1.962164489,
                "count": 6296968,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.156234548,
                "variance": 1.33687833
              },
              {
                "average": 2.80674477,
                "count": 6296968,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.568882469,
                "variance": 2.4613922
              },
              {
                "average": 1,
                "count": 6296968,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6296968,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.087791617,
                "count": 6296968,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2829916277,
                "variance": 0.08008426132
              },
              {
                "average": 20.22466123,
                "count": 6296968,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.522669293,
                "variance": 6.363860363
              },
              {
                "average": 92.64989182,
                "count": 6296968,
                "maximum": 199,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.03368532,
                "variance": 4229.380226
              },
              {
                "average": 3.50953713,
                "count": 6296968,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.191927014,
                "variance": 4.804544036
              },
              {
                "average": 63321441.84,
                "count": 6296968,
                "maximum": 63929512.66,
                "minimum": 62875047.06,
                "name": "GpsTime",
                "position": 12,
                "stddev": 372263.329,
                "variance": 138579986100.0
              },
              {
                "average": 0,
                "count": 6296968,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6296968,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6296968,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6296968,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6296968,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              593999.6368,
              2389160.256,
              1.209236083,
              594683.5168,
              2389998.476,
              33.74923608
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    593999.6367765798,
                    2389160.2559033125,
                    1.209236082560988
                  ],
                  [
                    593999.6367765798,
                    2389998.475903312,
                    1.209236082560988
                  ],
                  [
                    594683.5167765797,
                    2389998.475903312,
                    33.749236082560984
                  ],
                  [
                    594683.5167765797,
                    2389160.2559033125,
                    33.749236082560984
                  ],
                  [
                    593999.6367765798,
                    2389160.2559033125,
                    1.209236082560988
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:58:32+00:00",
            "end_time": "2013-09-10T19:04:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0858.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9586315377648,
              21.32070458621224,
              -0.555442431898822
            ],
            [
              -157.9585677546304,
              21.32973856956002,
              -0.555442431898822
            ],
            [
              -157.9489260604238,
              21.329678572112186,
              29.484557568101177
            ],
            [
              -157.9489904355608,
              21.320644615692057,
              29.484557568101177
            ],
            [
              -157.9586315377648,
              21.32070458621224,
              -0.555442431898822
            ]
          ]
        ]
      },
      "bbox": [
        -157.9586315,
        21.32064462,
        -0.5554424319,
        -157.9489261,
        21.32973857,
        29.48455757
      ],
      "properties": {
        "datetime": "2013-09-15T10:46:06Z",
        "pc:count": 6001214,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608457.4836,
            "count": 6001214,
            "maximum": 608999.7332,
            "minimum": 607999.7332,
            "name": "X",
            "position": 0,
            "stddev": 291.6797753,
            "variance": 85077.09131
          },
          {
            "average": 2358473.341,
            "count": 6001214,
            "maximum": 2358998.453,
            "minimum": 2357998.433,
            "name": "Y",
            "position": 1,
            "stddev": 270.8524081,
            "variance": 73361.02696
          },
          {
            "average": 3.396560676,
            "count": 6001214,
            "maximum": 29.48455757,
            "minimum": -0.5554424319,
            "name": "Z",
            "position": 2,
            "stddev": 2.074594761,
            "variance": 4.303943422
          },
          {
            "average": 32.15152601,
            "count": 6001214,
            "maximum": 979,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 40.17780777,
            "variance": 1614.256237
          },
          {
            "average": 1.146403211,
            "count": 6001214,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4990015928,
            "variance": 0.2490025896
          },
          {
            "average": 1.275891178,
            "count": 6001214,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7529365043,
            "variance": 0.5669133794
          },
          {
            "average": 1,
            "count": 6001214,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6001214,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.397207132,
            "count": 6001214,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.7833926226,
            "variance": 0.6137040011
          },
          {
            "average": 0,
            "count": 6001214,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.63094017,
            "count": 6001214,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.20531371,
            "variance": 3994.911681
          },
          {
            "average": 4.307910533,
            "count": 6001214,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.128489725,
            "variance": 4.530468511
          },
          {
            "average": 63274942.63,
            "count": 6001214,
            "maximum": 63277166.91,
            "minimum": 63273455.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 982.4959885,
            "variance": 965298.3674
          },
          {
            "average": 0,
            "count": 6001214,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6001214,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6001214,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6001214,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6001214,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          607999.7332,
          2357998.433,
          -0.5554424319,
          608999.7332,
          2358998.453,
          29.48455757
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                607999.7331885872,
                2357998.4334143708,
                -0.555442431898822
              ],
              [
                607999.7331885872,
                2358998.4534143703,
                -0.555442431898822
              ],
              [
                608999.7331885872,
                2358998.4534143703,
                29.484557568101177
              ],
              [
                608999.7331885872,
                2357998.4334143708,
                29.484557568101177
              ],
              [
                607999.7331885872,
                2357998.4334143708,
                -0.555442431898822
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:46:06+00:00",
        "end_time": "2013-09-15T09:44:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0858.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0858.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0858.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0858.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9586315,
            21.32064462,
            -0.5554424319,
            -157.9489261,
            21.32973857,
            29.48455757
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9586315377648,
                  21.32070458621224,
                  -0.555442431898822
                ],
                [
                  -157.9585677546304,
                  21.32973856956002,
                  -0.555442431898822
                ],
                [
                  -157.9489260604238,
                  21.329678572112186,
                  29.484557568101177
                ],
                [
                  -157.9489904355608,
                  21.320644615692057,
                  29.484557568101177
                ],
                [
                  -157.9586315377648,
                  21.32070458621224,
                  -0.555442431898822
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0858.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0858.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:46:06Z",
            "pc:count": 6001214,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608457.4836,
                "count": 6001214,
                "maximum": 608999.7332,
                "minimum": 607999.7332,
                "name": "X",
                "position": 0,
                "stddev": 291.6797753,
                "variance": 85077.09131
              },
              {
                "average": 2358473.341,
                "count": 6001214,
                "maximum": 2358998.453,
                "minimum": 2357998.433,
                "name": "Y",
                "position": 1,
                "stddev": 270.8524081,
                "variance": 73361.02696
              },
              {
                "average": 3.396560676,
                "count": 6001214,
                "maximum": 29.48455757,
                "minimum": -0.5554424319,
                "name": "Z",
                "position": 2,
                "stddev": 2.074594761,
                "variance": 4.303943422
              },
              {
                "average": 32.15152601,
                "count": 6001214,
                "maximum": 979,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 40.17780777,
                "variance": 1614.256237
              },
              {
                "average": 1.146403211,
                "count": 6001214,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4990015928,
                "variance": 0.2490025896
              },
              {
                "average": 1.275891178,
                "count": 6001214,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7529365043,
                "variance": 0.5669133794
              },
              {
                "average": 1,
                "count": 6001214,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6001214,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.397207132,
                "count": 6001214,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.7833926226,
                "variance": 0.6137040011
              },
              {
                "average": 0,
                "count": 6001214,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.63094017,
                "count": 6001214,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.20531371,
                "variance": 3994.911681
              },
              {
                "average": 4.307910533,
                "count": 6001214,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.128489725,
                "variance": 4.530468511
              },
              {
                "average": 63274942.63,
                "count": 6001214,
                "maximum": 63277166.91,
                "minimum": 63273455.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 982.4959885,
                "variance": 965298.3674
              },
              {
                "average": 0,
                "count": 6001214,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6001214,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6001214,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6001214,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6001214,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              607999.7332,
              2357998.433,
              -0.5554424319,
              608999.7332,
              2358998.453,
              29.48455757
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    607999.7331885872,
                    2357998.4334143708,
                    -0.555442431898822
                  ],
                  [
                    607999.7331885872,
                    2358998.4534143703,
                    -0.555442431898822
                  ],
                  [
                    608999.7331885872,
                    2358998.4534143703,
                    29.484557568101177
                  ],
                  [
                    608999.7331885872,
                    2357998.4334143708,
                    29.484557568101177
                  ],
                  [
                    607999.7331885872,
                    2357998.4334143708,
                    -0.555442431898822
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:46:06+00:00",
            "end_time": "2013-09-15T09:44:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1358.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.91042613717522,
              21.320399303498316,
              -4.202877898414465
            ],
            [
              -157.91035943541036,
              21.329432962632268,
              -4.202877898414465
            ],
            [
              -157.9007177130221,
              21.32937019483621,
              17.897122101585538
            ],
            [
              -157.90078499912724,
              21.320336565951308,
              17.897122101585538
            ],
            [
              -157.91042613717522,
              21.320399303498316,
              -4.202877898414465
            ]
          ]
        ]
      },
      "bbox": [
        -157.9104261,
        21.32033657,
        -4.202877898,
        -157.9007177,
        21.32943296,
        17.8971221
      ],
      "properties": {
        "datetime": "2013-09-16T09:39:26Z",
        "pc:count": 3662263,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613458.4953,
            "count": 3662263,
            "maximum": 613999.7693,
            "minimum": 612999.7493,
            "name": "X",
            "position": 0,
            "stddev": 287.2549997,
            "variance": 82515.43484
          },
          {
            "average": 2358572.552,
            "count": 3662263,
            "maximum": 2358998.447,
            "minimum": 2357998.447,
            "name": "Y",
            "position": 1,
            "stddev": 272.2612417,
            "variance": 74126.18372
          },
          {
            "average": 2.80157975,
            "count": 3662263,
            "maximum": 17.8971221,
            "minimum": -4.202877898,
            "name": "Z",
            "position": 2,
            "stddev": 2.043264482,
            "variance": 4.174929744
          },
          {
            "average": 34.00787191,
            "count": 3662263,
            "maximum": 941,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 44.07106187,
            "variance": 1942.258494
          },
          {
            "average": 1.03595946,
            "count": 3662263,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2120339279,
            "variance": 0.0449583866
          },
          {
            "average": 1.065379248,
            "count": 3662263,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3015724431,
            "variance": 0.09094593845
          },
          {
            "average": 1,
            "count": 3662263,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3662263,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.064768969,
            "count": 3662263,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.534537832,
            "variance": 42.70018468
          },
          {
            "average": 0,
            "count": 3662263,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 94.2800072,
            "count": 3662263,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.50768045,
            "variance": 4971.333003
          },
          {
            "average": 5.403610008,
            "count": 3662263,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.279821715,
            "variance": 5.197587052
          },
          {
            "average": 63281124.94,
            "count": 3662263,
            "maximum": 63359566.47,
            "minimum": 63274336.34,
            "name": "GpsTime",
            "position": 12,
            "stddev": 17228.85618,
            "variance": 296833485.2
          },
          {
            "average": 0,
            "count": 3662263,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3662263,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3662263,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3662263,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3662263,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7493,
          2357998.447,
          -4.202877898,
          613999.7693,
          2358998.447,
          17.8971221
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.749310758,
                2357998.4467937425,
                -4.202877898414465
              ],
              [
                612999.749310758,
                2358998.4467937425,
                -4.202877898414465
              ],
              [
                613999.769310758,
                2358998.4467937425,
                17.897122101585538
              ],
              [
                613999.769310758,
                2357998.4467937425,
                17.897122101585538
              ],
              [
                612999.749310758,
                2357998.4467937425,
                -4.202877898414465
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:39:26+00:00",
        "end_time": "2013-09-15T09:58:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1358.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1358.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1358.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1358.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9104261,
            21.32033657,
            -4.202877898,
            -157.9007177,
            21.32943296,
            17.8971221
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.91042613717522,
                  21.320399303498316,
                  -4.202877898414465
                ],
                [
                  -157.91035943541036,
                  21.329432962632268,
                  -4.202877898414465
                ],
                [
                  -157.9007177130221,
                  21.32937019483621,
                  17.897122101585538
                ],
                [
                  -157.90078499912724,
                  21.320336565951308,
                  17.897122101585538
                ],
                [
                  -157.91042613717522,
                  21.320399303498316,
                  -4.202877898414465
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1358.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1358.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:39:26Z",
            "pc:count": 3662263,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613458.4953,
                "count": 3662263,
                "maximum": 613999.7693,
                "minimum": 612999.7493,
                "name": "X",
                "position": 0,
                "stddev": 287.2549997,
                "variance": 82515.43484
              },
              {
                "average": 2358572.552,
                "count": 3662263,
                "maximum": 2358998.447,
                "minimum": 2357998.447,
                "name": "Y",
                "position": 1,
                "stddev": 272.2612417,
                "variance": 74126.18372
              },
              {
                "average": 2.80157975,
                "count": 3662263,
                "maximum": 17.8971221,
                "minimum": -4.202877898,
                "name": "Z",
                "position": 2,
                "stddev": 2.043264482,
                "variance": 4.174929744
              },
              {
                "average": 34.00787191,
                "count": 3662263,
                "maximum": 941,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 44.07106187,
                "variance": 1942.258494
              },
              {
                "average": 1.03595946,
                "count": 3662263,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2120339279,
                "variance": 0.0449583866
              },
              {
                "average": 1.065379248,
                "count": 3662263,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3015724431,
                "variance": 0.09094593845
              },
              {
                "average": 1,
                "count": 3662263,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3662263,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.064768969,
                "count": 3662263,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.534537832,
                "variance": 42.70018468
              },
              {
                "average": 0,
                "count": 3662263,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 94.2800072,
                "count": 3662263,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.50768045,
                "variance": 4971.333003
              },
              {
                "average": 5.403610008,
                "count": 3662263,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.279821715,
                "variance": 5.197587052
              },
              {
                "average": 63281124.94,
                "count": 3662263,
                "maximum": 63359566.47,
                "minimum": 63274336.34,
                "name": "GpsTime",
                "position": 12,
                "stddev": 17228.85618,
                "variance": 296833485.2
              },
              {
                "average": 0,
                "count": 3662263,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3662263,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3662263,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3662263,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3662263,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7493,
              2357998.447,
              -4.202877898,
              613999.7693,
              2358998.447,
              17.8971221
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.749310758,
                    2357998.4467937425,
                    -4.202877898414465
                  ],
                  [
                    612999.749310758,
                    2358998.4467937425,
                    -4.202877898414465
                  ],
                  [
                    613999.769310758,
                    2358998.4467937425,
                    17.897122101585538
                  ],
                  [
                    613999.769310758,
                    2357998.4467937425,
                    17.897122101585538
                  ],
                  [
                    612999.749310758,
                    2357998.4467937425,
                    -4.202877898414465
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:39:26+00:00",
            "end_time": "2013-09-15T09:58:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9290.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.11114260502092,
              21.61067947023704,
              -32.174469826372174
            ],
            [
              -158.11108740219657,
              21.61971336379413,
              -32.174469826372174
            ],
            [
              -158.10142615024068,
              21.619661440984103,
              -2.994469826372178
            ],
            [
              -158.10148195305237,
              21.61062757104451,
              -2.994469826372178
            ],
            [
              -158.11114260502092,
              21.61067947023704,
              -32.174469826372174
            ]
          ]
        ]
      },
      "bbox": [
        -158.1111426,
        21.61062757,
        -32.17446983,
        -158.1014262,
        21.61971336,
        -2.994469826
      ],
      "properties": {
        "datetime": "2013-09-22T23:45:06Z",
        "pc:count": 3256129,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 592637.6564,
            "count": 3256129,
            "maximum": 592999.6335,
            "minimum": 591999.6335,
            "name": "X",
            "position": 0,
            "stddev": 262.5889264,
            "variance": 68952.94426
          },
          {
            "average": 2390327.845,
            "count": 3256129,
            "maximum": 2390998.473,
            "minimum": 2389998.473,
            "name": "Y",
            "position": 1,
            "stddev": 243.7293418,
            "variance": 59403.99204
          },
          {
            "average": -9.343451829,
            "count": 3256129,
            "maximum": -2.994469826,
            "minimum": -32.17446983,
            "name": "Z",
            "position": 2,
            "stddev": 5.111803383,
            "variance": 26.13053382
          },
          {
            "average": 41.72034001,
            "count": 3256129,
            "maximum": 8941,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 122.5404816,
            "variance": 15016.16962
          },
          {
            "average": 1.007918298,
            "count": 3256129,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08996963455,
            "variance": 0.008094535141
          },
          {
            "average": 1.013345601,
            "count": 3256129,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1175838051,
            "variance": 0.01382595122
          },
          {
            "average": 1,
            "count": 3256129,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3256129,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3256129,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.6794071,
            "count": 3256129,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.118650092,
            "variance": 26.20057876
          },
          {
            "average": 107.6184451,
            "count": 3256129,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.08198766,
            "variance": 5941.632821
          },
          {
            "average": 2.945826164,
            "count": 3256129,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.628567093,
            "variance": 2.652230778
          },
          {
            "average": 63039330.14,
            "count": 3256129,
            "maximum": 63928706.46,
            "minimum": 62799602.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 413960.842,
            "variance": 171363578700.0
          },
          {
            "average": 0,
            "count": 3256129,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3256129,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3256129,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3256129,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3256129,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          591999.6335,
          2389998.473,
          -32.17446983,
          592999.6335,
          2390998.473,
          -2.994469826
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                591999.633489403,
                2389998.4725343105,
                -32.174469826372174
              ],
              [
                591999.633489403,
                2390998.4725343105,
                -32.174469826372174
              ],
              [
                592999.633489403,
                2390998.4725343105,
                -2.994469826372178
              ],
              [
                592999.633489403,
                2389998.4725343105,
                -2.994469826372178
              ],
              [
                591999.633489403,
                2389998.4725343105,
                -32.174469826372174
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:45:06+00:00",
        "end_time": "2013-09-09T22:06:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9290.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9290.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9290.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9290.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1111426,
            21.61062757,
            -32.17446983,
            -158.1014262,
            21.61971336,
            -2.994469826
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.11114260502092,
                  21.61067947023704,
                  -32.174469826372174
                ],
                [
                  -158.11108740219657,
                  21.61971336379413,
                  -32.174469826372174
                ],
                [
                  -158.10142615024068,
                  21.619661440984103,
                  -2.994469826372178
                ],
                [
                  -158.10148195305237,
                  21.61062757104451,
                  -2.994469826372178
                ],
                [
                  -158.11114260502092,
                  21.61067947023704,
                  -32.174469826372174
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9290.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9290.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:45:06Z",
            "pc:count": 3256129,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 592637.6564,
                "count": 3256129,
                "maximum": 592999.6335,
                "minimum": 591999.6335,
                "name": "X",
                "position": 0,
                "stddev": 262.5889264,
                "variance": 68952.94426
              },
              {
                "average": 2390327.845,
                "count": 3256129,
                "maximum": 2390998.473,
                "minimum": 2389998.473,
                "name": "Y",
                "position": 1,
                "stddev": 243.7293418,
                "variance": 59403.99204
              },
              {
                "average": -9.343451829,
                "count": 3256129,
                "maximum": -2.994469826,
                "minimum": -32.17446983,
                "name": "Z",
                "position": 2,
                "stddev": 5.111803383,
                "variance": 26.13053382
              },
              {
                "average": 41.72034001,
                "count": 3256129,
                "maximum": 8941,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 122.5404816,
                "variance": 15016.16962
              },
              {
                "average": 1.007918298,
                "count": 3256129,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08996963455,
                "variance": 0.008094535141
              },
              {
                "average": 1.013345601,
                "count": 3256129,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1175838051,
                "variance": 0.01382595122
              },
              {
                "average": 1,
                "count": 3256129,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3256129,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3256129,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.6794071,
                "count": 3256129,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.118650092,
                "variance": 26.20057876
              },
              {
                "average": 107.6184451,
                "count": 3256129,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.08198766,
                "variance": 5941.632821
              },
              {
                "average": 2.945826164,
                "count": 3256129,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.628567093,
                "variance": 2.652230778
              },
              {
                "average": 63039330.14,
                "count": 3256129,
                "maximum": 63928706.46,
                "minimum": 62799602.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 413960.842,
                "variance": 171363578700.0
              },
              {
                "average": 0,
                "count": 3256129,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3256129,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3256129,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3256129,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3256129,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              591999.6335,
              2389998.473,
              -32.17446983,
              592999.6335,
              2390998.473,
              -2.994469826
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    591999.633489403,
                    2389998.4725343105,
                    -32.174469826372174
                  ],
                  [
                    591999.633489403,
                    2390998.4725343105,
                    -32.174469826372174
                  ],
                  [
                    592999.633489403,
                    2390998.4725343105,
                    -2.994469826372178
                  ],
                  [
                    592999.633489403,
                    2389998.4725343105,
                    -2.994469826372178
                  ],
                  [
                    591999.633489403,
                    2389998.4725343105,
                    -32.174469826372174
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:45:06+00:00",
            "end_time": "2013-09-09T22:06:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9955.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.045578393826,
              21.29411740329062,
              -8.960960937723833
            ],
            [
              -158.0455200617533,
              21.303151646552145,
              -8.960960937723833
            ],
            [
              -158.0358796613915,
              21.30309667860636,
              0.379039062276167
            ],
            [
              -158.03593858246836,
              21.29406246088866,
              0.379039062276167
            ],
            [
              -158.045578393826,
              21.29411740329062,
              -8.960960937723833
            ]
          ]
        ]
      },
      "bbox": [
        -158.0455784,
        21.29406246,
        -8.960960938,
        -158.0358797,
        21.30315165,
        0.3790390623
      ],
      "properties": {
        "datetime": "2013-09-17T12:05:50Z",
        "pc:count": 4426405,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 599507.2939,
            "count": 4426405,
            "maximum": 599999.7069,
            "minimum": 598999.6869,
            "name": "X",
            "position": 0,
            "stddev": 287.0494894,
            "variance": 82397.40934
          },
          {
            "average": 2355392.516,
            "count": 4426405,
            "maximum": 2355998.46,
            "minimum": 2354998.44,
            "name": "Y",
            "position": 1,
            "stddev": 264.5983233,
            "variance": 70012.27269
          },
          {
            "average": -4.158732156,
            "count": 4426405,
            "maximum": 0.3790390623,
            "minimum": -8.960960938,
            "name": "Z",
            "position": 2,
            "stddev": 1.409857746,
            "variance": 1.987698865
          },
          {
            "average": 7.512163934,
            "count": 4426405,
            "maximum": 3454,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.14829058,
            "variance": 405.9536134
          },
          {
            "average": 1.004777918,
            "count": 4426405,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06926770373,
            "variance": 0.00479801478
          },
          {
            "average": 1.006731196,
            "count": 4426405,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08223014479,
            "variance": 0.006761796712
          },
          {
            "average": 1,
            "count": 4426405,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4426405,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4426405,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4426405,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.17525057,
            "count": 4426405,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 64.68029927,
            "variance": 4183.541113
          },
          {
            "average": 9.033491061,
            "count": 4426405,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.893286203,
            "variance": 15.15767746
          },
          {
            "average": 63380183.11,
            "count": 4426405,
            "maximum": 63454750.23,
            "minimum": 63363351.05,
            "name": "GpsTime",
            "position": 12,
            "stddev": 32303.11646,
            "variance": 1043491333
          },
          {
            "average": 0,
            "count": 4426405,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4426405,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4426405,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4426405,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4426405,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          598999.6869,
          2354998.44,
          -8.960960938,
          599999.7069,
          2355998.46,
          0.3790390623
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                598999.6868608381,
                2354998.4400096084,
                -8.960960937723833
              ],
              [
                598999.6868608381,
                2355998.460009608,
                -8.960960937723833
              ],
              [
                599999.7068608381,
                2355998.460009608,
                0.379039062276167
              ],
              [
                599999.7068608381,
                2354998.4400096084,
                0.379039062276167
              ],
              [
                598999.6868608381,
                2354998.4400096084,
                -8.960960937723833
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:05:50+00:00",
        "end_time": "2013-09-16T10:42:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9955.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9955.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9955.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9955.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0455784,
            21.29406246,
            -8.960960938,
            -158.0358797,
            21.30315165,
            0.3790390623
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.045578393826,
                  21.29411740329062,
                  -8.960960937723833
                ],
                [
                  -158.0455200617533,
                  21.303151646552145,
                  -8.960960937723833
                ],
                [
                  -158.0358796613915,
                  21.30309667860636,
                  0.379039062276167
                ],
                [
                  -158.03593858246836,
                  21.29406246088866,
                  0.379039062276167
                ],
                [
                  -158.045578393826,
                  21.29411740329062,
                  -8.960960937723833
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9955.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9955.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:05:50Z",
            "pc:count": 4426405,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 599507.2939,
                "count": 4426405,
                "maximum": 599999.7069,
                "minimum": 598999.6869,
                "name": "X",
                "position": 0,
                "stddev": 287.0494894,
                "variance": 82397.40934
              },
              {
                "average": 2355392.516,
                "count": 4426405,
                "maximum": 2355998.46,
                "minimum": 2354998.44,
                "name": "Y",
                "position": 1,
                "stddev": 264.5983233,
                "variance": 70012.27269
              },
              {
                "average": -4.158732156,
                "count": 4426405,
                "maximum": 0.3790390623,
                "minimum": -8.960960938,
                "name": "Z",
                "position": 2,
                "stddev": 1.409857746,
                "variance": 1.987698865
              },
              {
                "average": 7.512163934,
                "count": 4426405,
                "maximum": 3454,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.14829058,
                "variance": 405.9536134
              },
              {
                "average": 1.004777918,
                "count": 4426405,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06926770373,
                "variance": 0.00479801478
              },
              {
                "average": 1.006731196,
                "count": 4426405,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08223014479,
                "variance": 0.006761796712
              },
              {
                "average": 1,
                "count": 4426405,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4426405,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4426405,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4426405,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.17525057,
                "count": 4426405,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 64.68029927,
                "variance": 4183.541113
              },
              {
                "average": 9.033491061,
                "count": 4426405,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.893286203,
                "variance": 15.15767746
              },
              {
                "average": 63380183.11,
                "count": 4426405,
                "maximum": 63454750.23,
                "minimum": 63363351.05,
                "name": "GpsTime",
                "position": 12,
                "stddev": 32303.11646,
                "variance": 1043491333
              },
              {
                "average": 0,
                "count": 4426405,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4426405,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4426405,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4426405,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4426405,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              598999.6869,
              2354998.44,
              -8.960960938,
              599999.7069,
              2355998.46,
              0.3790390623
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    598999.6868608381,
                    2354998.4400096084,
                    -8.960960937723833
                  ],
                  [
                    598999.6868608381,
                    2355998.460009608,
                    -8.960960937723833
                  ],
                  [
                    599999.7068608381,
                    2355998.460009608,
                    0.379039062276167
                  ],
                  [
                    599999.7068608381,
                    2354998.4400096084,
                    0.379039062276167
                  ],
                  [
                    598999.6868608381,
                    2354998.4400096084,
                    -8.960960937723833
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:05:50+00:00",
            "end_time": "2013-09-16T10:42:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8471.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.1893814050127,
              21.439425033099944,
              -3.873750691995697
            ],
            [
              -158.1893314905923,
              21.4484593022887,
              -3.873750691995697
            ],
            [
              -158.1813597413754,
              21.44842048734208,
              32.546249308004306
            ],
            [
              -158.181410147283,
              21.439386235347268,
              32.546249308004306
            ],
            [
              -158.1893814050127,
              21.439425033099944,
              -3.873750691995697
            ]
          ]
        ]
      },
      "bbox": [
        -158.1893814,
        21.43938624,
        -3.873750692,
        -158.1813597,
        21.4484593,
        32.54624931
      ],
      "properties": {
        "datetime": "2013-09-10T23:26:33Z",
        "pc:count": 5694970,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584270.7531,
            "count": 5694970,
            "maximum": 584825.7235,
            "minimum": 583999.6435,
            "name": "X",
            "position": 0,
            "stddev": 184.2806419,
            "variance": 33959.35497
          },
          {
            "average": 2371374.53,
            "count": 5694970,
            "maximum": 2371998.453,
            "minimum": 2370998.453,
            "name": "Y",
            "position": 1,
            "stddev": 259.4421547,
            "variance": 67310.23166
          },
          {
            "average": 6.790388231,
            "count": 5694970,
            "maximum": 32.54624931,
            "minimum": -3.873750692,
            "name": "Z",
            "position": 2,
            "stddev": 4.015055951,
            "variance": 16.12067429
          },
          {
            "average": 34.27601989,
            "count": 5694970,
            "maximum": 905,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 66.50587485,
            "variance": 4423.031389
          },
          {
            "average": 1.355800645,
            "count": 5694970,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7434444594,
            "variance": 0.5527096642
          },
          {
            "average": 1.712008316,
            "count": 5694970,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.117659068,
            "variance": 1.249161793
          },
          {
            "average": 1,
            "count": 5694970,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5694970,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.398024397,
            "count": 5694970,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.576423468,
            "variance": 6.637957884
          },
          {
            "average": 19.96692501,
            "count": 5694970,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.896214262,
            "variance": 8.388057051
          },
          {
            "average": 91.36374011,
            "count": 5694970,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.36725922,
            "variance": 4272.878577
          },
          {
            "average": 1.798077075,
            "count": 5694970,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8900311522,
            "variance": 0.792155452
          },
          {
            "average": 62791962.92,
            "count": 5694970,
            "maximum": 62890793.98,
            "minimum": 62715492.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 85948.50865,
            "variance": 7387146139
          },
          {
            "average": 0,
            "count": 5694970,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5694970,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5694970,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5694970,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5694970,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583999.6435,
          2370998.453,
          -3.873750692,
          584825.7235,
          2371998.453,
          32.54624931
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583999.6434978731,
                2370998.4531944655,
                -3.873750691995697
              ],
              [
                583999.6434978731,
                2371998.4531944655,
                -3.873750691995697
              ],
              [
                584825.7234978732,
                2371998.4531944655,
                32.546249308004306
              ],
              [
                584825.7234978732,
                2370998.4531944655,
                32.546249308004306
              ],
              [
                583999.6434978731,
                2370998.4531944655,
                -3.873750691995697
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T23:26:33+00:00",
        "end_time": "2013-09-08T22:44:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8471.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8471.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8471.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8471.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1893814,
            21.43938624,
            -3.873750692,
            -158.1813597,
            21.4484593,
            32.54624931
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.1893814050127,
                  21.439425033099944,
                  -3.873750691995697
                ],
                [
                  -158.1893314905923,
                  21.4484593022887,
                  -3.873750691995697
                ],
                [
                  -158.1813597413754,
                  21.44842048734208,
                  32.546249308004306
                ],
                [
                  -158.181410147283,
                  21.439386235347268,
                  32.546249308004306
                ],
                [
                  -158.1893814050127,
                  21.439425033099944,
                  -3.873750691995697
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8471.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8471.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T23:26:33Z",
            "pc:count": 5694970,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584270.7531,
                "count": 5694970,
                "maximum": 584825.7235,
                "minimum": 583999.6435,
                "name": "X",
                "position": 0,
                "stddev": 184.2806419,
                "variance": 33959.35497
              },
              {
                "average": 2371374.53,
                "count": 5694970,
                "maximum": 2371998.453,
                "minimum": 2370998.453,
                "name": "Y",
                "position": 1,
                "stddev": 259.4421547,
                "variance": 67310.23166
              },
              {
                "average": 6.790388231,
                "count": 5694970,
                "maximum": 32.54624931,
                "minimum": -3.873750692,
                "name": "Z",
                "position": 2,
                "stddev": 4.015055951,
                "variance": 16.12067429
              },
              {
                "average": 34.27601989,
                "count": 5694970,
                "maximum": 905,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 66.50587485,
                "variance": 4423.031389
              },
              {
                "average": 1.355800645,
                "count": 5694970,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7434444594,
                "variance": 0.5527096642
              },
              {
                "average": 1.712008316,
                "count": 5694970,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.117659068,
                "variance": 1.249161793
              },
              {
                "average": 1,
                "count": 5694970,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5694970,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.398024397,
                "count": 5694970,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.576423468,
                "variance": 6.637957884
              },
              {
                "average": 19.96692501,
                "count": 5694970,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.896214262,
                "variance": 8.388057051
              },
              {
                "average": 91.36374011,
                "count": 5694970,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.36725922,
                "variance": 4272.878577
              },
              {
                "average": 1.798077075,
                "count": 5694970,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8900311522,
                "variance": 0.792155452
              },
              {
                "average": 62791962.92,
                "count": 5694970,
                "maximum": 62890793.98,
                "minimum": 62715492.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 85948.50865,
                "variance": 7387146139
              },
              {
                "average": 0,
                "count": 5694970,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5694970,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5694970,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5694970,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5694970,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583999.6435,
              2370998.453,
              -3.873750692,
              584825.7235,
              2371998.453,
              32.54624931
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583999.6434978731,
                    2370998.4531944655,
                    -3.873750691995697
                  ],
                  [
                    583999.6434978731,
                    2371998.4531944655,
                    -3.873750691995697
                  ],
                  [
                    584825.7234978732,
                    2371998.4531944655,
                    32.546249308004306
                  ],
                  [
                    584825.7234978732,
                    2370998.4531944655,
                    32.546249308004306
                  ],
                  [
                    583999.6434978731,
                    2370998.4531944655,
                    -3.873750691995697
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T23:26:33+00:00",
            "end_time": "2013-09-08T22:44:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1059.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9392843390483,
              21.3296179132302,
              1.047101307009802
            ],
            [
              -157.93926782122045,
              21.331915373505268,
              1.047101307009802
            ],
            [
              -157.9296260397668,
              21.331854258544187,
              32.9871013070098
            ],
            [
              -157.9296427073068,
              21.329556805452217,
              32.9871013070098
            ],
            [
              -157.9392843390483,
              21.3296179132302,
              1.047101307009802
            ]
          ]
        ]
      },
      "bbox": [
        -157.9392843,
        21.32955681,
        1.047101307,
        -157.929626,
        21.33191537,
        32.98710131
      ],
      "properties": {
        "datetime": "2013-09-15T09:58:30Z",
        "pc:count": 1107893,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610552.0871,
            "count": 1107893,
            "maximum": 610999.7393,
            "minimum": 609999.7393,
            "name": "X",
            "position": 0,
            "stddev": 268.7803335,
            "variance": 72242.8677
          },
          {
            "average": 2359102.071,
            "count": 1107893,
            "maximum": 2359252.762,
            "minimum": 2358998.442,
            "name": "Y",
            "position": 1,
            "stddev": 73.14137421,
            "variance": 5349.660621
          },
          {
            "average": 5.047121652,
            "count": 1107893,
            "maximum": 32.98710131,
            "minimum": 1.047101307,
            "name": "Z",
            "position": 2,
            "stddev": 3.726601402,
            "variance": 13.88755801
          },
          {
            "average": 25.68391713,
            "count": 1107893,
            "maximum": 815,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.57778618,
            "variance": 935.0010075
          },
          {
            "average": 1.332646745,
            "count": 1107893,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7625278376,
            "variance": 0.5814487031
          },
          {
            "average": 1.626148012,
            "count": 1107893,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.138764391,
            "variance": 1.296784337
          },
          {
            "average": 1,
            "count": 1107893,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1107893,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.422377432,
            "count": 1107893,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4939382118,
            "variance": 0.2439749571
          },
          {
            "average": 0,
            "count": 1107893,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.87561434,
            "count": 1107893,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.82319548,
            "variance": 4073.400282
          },
          {
            "average": 1.510300182,
            "count": 1107893,
            "maximum": 3,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8718914926,
            "variance": 0.7601947748
          },
          {
            "average": 63273701.53,
            "count": 1107893,
            "maximum": 63274310.09,
            "minimum": 63273485.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 351.9363299,
            "variance": 123859.1803
          },
          {
            "average": 0,
            "count": 1107893,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1107893,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1107893,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1107893,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1107893,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.7393,
          2358998.442,
          1.047101307,
          610999.7393,
          2359252.762,
          32.98710131
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.739309341,
                2358998.4416924054,
                1.047101307009802
              ],
              [
                609999.739309341,
                2359252.7616924057,
                1.047101307009802
              ],
              [
                610999.739309341,
                2359252.7616924057,
                32.9871013070098
              ],
              [
                610999.739309341,
                2358998.4416924054,
                32.9871013070098
              ],
              [
                609999.739309341,
                2358998.4416924054,
                1.047101307009802
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T09:58:30+00:00",
        "end_time": "2013-09-15T09:44:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1059.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1059.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1059.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1059.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9392843,
            21.32955681,
            1.047101307,
            -157.929626,
            21.33191537,
            32.98710131
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9392843390483,
                  21.3296179132302,
                  1.047101307009802
                ],
                [
                  -157.93926782122045,
                  21.331915373505268,
                  1.047101307009802
                ],
                [
                  -157.9296260397668,
                  21.331854258544187,
                  32.9871013070098
                ],
                [
                  -157.9296427073068,
                  21.329556805452217,
                  32.9871013070098
                ],
                [
                  -157.9392843390483,
                  21.3296179132302,
                  1.047101307009802
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1059.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1059.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T09:58:30Z",
            "pc:count": 1107893,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610552.0871,
                "count": 1107893,
                "maximum": 610999.7393,
                "minimum": 609999.7393,
                "name": "X",
                "position": 0,
                "stddev": 268.7803335,
                "variance": 72242.8677
              },
              {
                "average": 2359102.071,
                "count": 1107893,
                "maximum": 2359252.762,
                "minimum": 2358998.442,
                "name": "Y",
                "position": 1,
                "stddev": 73.14137421,
                "variance": 5349.660621
              },
              {
                "average": 5.047121652,
                "count": 1107893,
                "maximum": 32.98710131,
                "minimum": 1.047101307,
                "name": "Z",
                "position": 2,
                "stddev": 3.726601402,
                "variance": 13.88755801
              },
              {
                "average": 25.68391713,
                "count": 1107893,
                "maximum": 815,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.57778618,
                "variance": 935.0010075
              },
              {
                "average": 1.332646745,
                "count": 1107893,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7625278376,
                "variance": 0.5814487031
              },
              {
                "average": 1.626148012,
                "count": 1107893,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.138764391,
                "variance": 1.296784337
              },
              {
                "average": 1,
                "count": 1107893,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1107893,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.422377432,
                "count": 1107893,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4939382118,
                "variance": 0.2439749571
              },
              {
                "average": 0,
                "count": 1107893,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.87561434,
                "count": 1107893,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.82319548,
                "variance": 4073.400282
              },
              {
                "average": 1.510300182,
                "count": 1107893,
                "maximum": 3,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8718914926,
                "variance": 0.7601947748
              },
              {
                "average": 63273701.53,
                "count": 1107893,
                "maximum": 63274310.09,
                "minimum": 63273485.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 351.9363299,
                "variance": 123859.1803
              },
              {
                "average": 0,
                "count": 1107893,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1107893,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1107893,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1107893,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1107893,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.7393,
              2358998.442,
              1.047101307,
              610999.7393,
              2359252.762,
              32.98710131
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.739309341,
                    2358998.4416924054,
                    1.047101307009802
                  ],
                  [
                    609999.739309341,
                    2359252.7616924057,
                    1.047101307009802
                  ],
                  [
                    610999.739309341,
                    2359252.7616924057,
                    32.9871013070098
                  ],
                  [
                    610999.739309341,
                    2358998.4416924054,
                    32.9871013070098
                  ],
                  [
                    609999.739309341,
                    2358998.4416924054,
                    1.047101307009802
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T09:58:30+00:00",
            "end_time": "2013-09-15T09:44:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1194.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92732809452048,
              21.645731030331834,
              -8.576053098702962
            ],
            [
              -157.927261344318,
              21.65476439041121,
              -8.576053098702962
            ],
            [
              -157.9175983445567,
              21.654701684409073,
              33.20394690129704
            ],
            [
              -157.91766569515994,
              21.645668353332717,
              33.20394690129704
            ],
            [
              -157.92732809452048,
              21.645731030331834,
              -8.576053098702962
            ]
          ]
        ]
      },
      "bbox": [
        -157.9273281,
        21.64566835,
        -8.576053099,
        -157.9175983,
        21.65476439,
        33.2039469
      ],
      "properties": {
        "datetime": "2013-09-22T01:42:36Z",
        "pc:count": 4689955,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611497.0063,
            "count": 4689955,
            "maximum": 611999.7628,
            "minimum": 610999.7628,
            "name": "X",
            "position": 0,
            "stddev": 291.478567,
            "variance": 84959.75503
          },
          {
            "average": 2394454.296,
            "count": 4689955,
            "maximum": 2394998.484,
            "minimum": 2393998.484,
            "name": "Y",
            "position": 1,
            "stddev": 292.7328676,
            "variance": 85692.53179
          },
          {
            "average": 3.11436859,
            "count": 4689955,
            "maximum": 33.2039469,
            "minimum": -8.576053099,
            "name": "Z",
            "position": 2,
            "stddev": 6.238103531,
            "variance": 38.91393566
          },
          {
            "average": 22.88230505,
            "count": 4689955,
            "maximum": 8749,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.81997543,
            "variance": 2099.470148
          },
          {
            "average": 1.164277269,
            "count": 4689955,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5073975004,
            "variance": 0.2574522234
          },
          {
            "average": 1.32730442,
            "count": 4689955,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7738139953,
            "variance": 0.5987880993
          },
          {
            "average": 1,
            "count": 4689955,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4689955,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.28937975,
            "count": 4689955,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.76514075,
            "variance": 189.4790998
          },
          {
            "average": 20.00429704,
            "count": 4689955,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.484254771,
            "variance": 6.171521769
          },
          {
            "average": 90.74712742,
            "count": 4689955,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.06265134,
            "variance": 4497.399205
          },
          {
            "average": 5.753020445,
            "count": 4689955,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.582372115,
            "variance": 2.50390151
          },
          {
            "average": 63847300.92,
            "count": 4689955,
            "maximum": 63849356.54,
            "minimum": 63845292.11,
            "name": "GpsTime",
            "position": 12,
            "stddev": 871.5806613,
            "variance": 759652.8491
          },
          {
            "average": 0,
            "count": 4689955,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4689955,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4689955,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4689955,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4689955,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7628,
          2393998.484,
          -8.576053099,
          611999.7628,
          2394998.484,
          33.2039469
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7628245584,
                2393998.4839219665,
                -8.576053098702962
              ],
              [
                610999.7628245584,
                2394998.4839219665,
                -8.576053098702962
              ],
              [
                611999.7628245584,
                2394998.4839219665,
                33.20394690129704
              ],
              [
                611999.7628245584,
                2393998.4839219665,
                33.20394690129704
              ],
              [
                610999.7628245584,
                2393998.4839219665,
                -8.576053098702962
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:42:36+00:00",
        "end_time": "2013-09-22T00:34:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1194.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1194.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1194.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1194.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9273281,
            21.64566835,
            -8.576053099,
            -157.9175983,
            21.65476439,
            33.2039469
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92732809452048,
                  21.645731030331834,
                  -8.576053098702962
                ],
                [
                  -157.927261344318,
                  21.65476439041121,
                  -8.576053098702962
                ],
                [
                  -157.9175983445567,
                  21.654701684409073,
                  33.20394690129704
                ],
                [
                  -157.91766569515994,
                  21.645668353332717,
                  33.20394690129704
                ],
                [
                  -157.92732809452048,
                  21.645731030331834,
                  -8.576053098702962
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1194.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1194.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:42:36Z",
            "pc:count": 4689955,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611497.0063,
                "count": 4689955,
                "maximum": 611999.7628,
                "minimum": 610999.7628,
                "name": "X",
                "position": 0,
                "stddev": 291.478567,
                "variance": 84959.75503
              },
              {
                "average": 2394454.296,
                "count": 4689955,
                "maximum": 2394998.484,
                "minimum": 2393998.484,
                "name": "Y",
                "position": 1,
                "stddev": 292.7328676,
                "variance": 85692.53179
              },
              {
                "average": 3.11436859,
                "count": 4689955,
                "maximum": 33.2039469,
                "minimum": -8.576053099,
                "name": "Z",
                "position": 2,
                "stddev": 6.238103531,
                "variance": 38.91393566
              },
              {
                "average": 22.88230505,
                "count": 4689955,
                "maximum": 8749,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.81997543,
                "variance": 2099.470148
              },
              {
                "average": 1.164277269,
                "count": 4689955,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5073975004,
                "variance": 0.2574522234
              },
              {
                "average": 1.32730442,
                "count": 4689955,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7738139953,
                "variance": 0.5987880993
              },
              {
                "average": 1,
                "count": 4689955,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4689955,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.28937975,
                "count": 4689955,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.76514075,
                "variance": 189.4790998
              },
              {
                "average": 20.00429704,
                "count": 4689955,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.484254771,
                "variance": 6.171521769
              },
              {
                "average": 90.74712742,
                "count": 4689955,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.06265134,
                "variance": 4497.399205
              },
              {
                "average": 5.753020445,
                "count": 4689955,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.582372115,
                "variance": 2.50390151
              },
              {
                "average": 63847300.92,
                "count": 4689955,
                "maximum": 63849356.54,
                "minimum": 63845292.11,
                "name": "GpsTime",
                "position": 12,
                "stddev": 871.5806613,
                "variance": 759652.8491
              },
              {
                "average": 0,
                "count": 4689955,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4689955,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4689955,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4689955,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4689955,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7628,
              2393998.484,
              -8.576053099,
              611999.7628,
              2394998.484,
              33.2039469
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7628245584,
                    2393998.4839219665,
                    -8.576053098702962
                  ],
                  [
                    610999.7628245584,
                    2394998.4839219665,
                    -8.576053098702962
                  ],
                  [
                    611999.7628245584,
                    2394998.4839219665,
                    33.20394690129704
                  ],
                  [
                    611999.7628245584,
                    2393998.4839219665,
                    33.20394690129704
                  ],
                  [
                    610999.7628245584,
                    2393998.4839219665,
                    -8.576053098702962
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:42:36+00:00",
            "end_time": "2013-09-22T00:34:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0859.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.95856774661323,
              21.329738429795164,
              1.982487176915864
            ],
            [
              -157.95856089937678,
              21.330708478632157,
              1.982487176915864
            ],
            [
              -157.94891914175537,
              21.33064847822741,
              19.062487176915866
            ],
            [
              -157.9489260524158,
              21.32967843234724,
              19.062487176915866
            ],
            [
              -157.95856774661323,
              21.329738429795164,
              1.982487176915864
            ]
          ]
        ]
      },
      "bbox": [
        -157.9585677,
        21.32967843,
        1.982487177,
        -157.9489191,
        21.33070848,
        19.06248718
      ],
      "properties": {
        "datetime": "2013-09-15T09:44:34Z",
        "pc:count": 345860,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608557.9669,
            "count": 345860,
            "maximum": 608999.7341,
            "minimum": 607999.7341,
            "name": "X",
            "position": 0,
            "stddev": 272.3836008,
            "variance": 74192.82601
          },
          {
            "average": 2359052.047,
            "count": 345860,
            "maximum": 2359105.818,
            "minimum": 2358998.438,
            "name": "Y",
            "position": 1,
            "stddev": 30.37178923,
            "variance": 922.445581
          },
          {
            "average": 2.488587622,
            "count": 345860,
            "maximum": 19.06248718,
            "minimum": 1.982487177,
            "name": "Z",
            "position": 2,
            "stddev": 0.7600104512,
            "variance": 0.5776158859
          },
          {
            "average": 32.67774244,
            "count": 345860,
            "maximum": 908,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 57.25125026,
            "variance": 3277.705656
          },
          {
            "average": 1.003261435,
            "count": 345860,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06074778315,
            "variance": 0.003690293157
          },
          {
            "average": 1.005800035,
            "count": 345860,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08330846144,
            "variance": 0.006940299748
          },
          {
            "average": 1,
            "count": 345860,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 345860,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.515812757,
            "count": 345860,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4997506167,
            "variance": 0.2497506788
          },
          {
            "average": 0,
            "count": 345860,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 93.06601226,
            "count": 345860,
            "maximum": 188,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 62.02682505,
            "variance": 3847.327026
          },
          {
            "average": 1,
            "count": 345860,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63273466,
            "count": 345860,
            "maximum": 63273474.51,
            "minimum": 63273456.92,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.136698768,
            "variance": 17.11227669
          },
          {
            "average": 0,
            "count": 345860,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 345860,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 345860,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 345860,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 345860,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          607999.7341,
          2358998.438,
          1.982487177,
          608999.7341,
          2359105.818,
          19.06248718
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                607999.7341223755,
                2358998.4379492095,
                1.982487176915864
              ],
              [
                607999.7341223755,
                2359105.8179492094,
                1.982487176915864
              ],
              [
                608999.7341223755,
                2359105.8179492094,
                19.062487176915866
              ],
              [
                608999.7341223755,
                2358998.4379492095,
                19.062487176915866
              ],
              [
                607999.7341223755,
                2358998.4379492095,
                1.982487176915864
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T09:44:34+00:00",
        "end_time": "2013-09-15T09:44:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0859.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0859.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0859.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0859.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9585677,
            21.32967843,
            1.982487177,
            -157.9489191,
            21.33070848,
            19.06248718
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.95856774661323,
                  21.329738429795164,
                  1.982487176915864
                ],
                [
                  -157.95856089937678,
                  21.330708478632157,
                  1.982487176915864
                ],
                [
                  -157.94891914175537,
                  21.33064847822741,
                  19.062487176915866
                ],
                [
                  -157.9489260524158,
                  21.32967843234724,
                  19.062487176915866
                ],
                [
                  -157.95856774661323,
                  21.329738429795164,
                  1.982487176915864
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0859.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0859.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T09:44:34Z",
            "pc:count": 345860,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608557.9669,
                "count": 345860,
                "maximum": 608999.7341,
                "minimum": 607999.7341,
                "name": "X",
                "position": 0,
                "stddev": 272.3836008,
                "variance": 74192.82601
              },
              {
                "average": 2359052.047,
                "count": 345860,
                "maximum": 2359105.818,
                "minimum": 2358998.438,
                "name": "Y",
                "position": 1,
                "stddev": 30.37178923,
                "variance": 922.445581
              },
              {
                "average": 2.488587622,
                "count": 345860,
                "maximum": 19.06248718,
                "minimum": 1.982487177,
                "name": "Z",
                "position": 2,
                "stddev": 0.7600104512,
                "variance": 0.5776158859
              },
              {
                "average": 32.67774244,
                "count": 345860,
                "maximum": 908,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 57.25125026,
                "variance": 3277.705656
              },
              {
                "average": 1.003261435,
                "count": 345860,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06074778315,
                "variance": 0.003690293157
              },
              {
                "average": 1.005800035,
                "count": 345860,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08330846144,
                "variance": 0.006940299748
              },
              {
                "average": 1,
                "count": 345860,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 345860,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.515812757,
                "count": 345860,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4997506167,
                "variance": 0.2497506788
              },
              {
                "average": 0,
                "count": 345860,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 93.06601226,
                "count": 345860,
                "maximum": 188,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 62.02682505,
                "variance": 3847.327026
              },
              {
                "average": 1,
                "count": 345860,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63273466,
                "count": 345860,
                "maximum": 63273474.51,
                "minimum": 63273456.92,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.136698768,
                "variance": 17.11227669
              },
              {
                "average": 0,
                "count": 345860,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 345860,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 345860,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 345860,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 345860,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              607999.7341,
              2358998.438,
              1.982487177,
              608999.7341,
              2359105.818,
              19.06248718
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    607999.7341223755,
                    2358998.4379492095,
                    1.982487176915864
                  ],
                  [
                    607999.7341223755,
                    2359105.8179492094,
                    1.982487176915864
                  ],
                  [
                    608999.7341223755,
                    2359105.8179492094,
                    19.062487176915866
                  ],
                  [
                    608999.7341223755,
                    2358998.4379492095,
                    19.062487176915866
                  ],
                  [
                    607999.7341223755,
                    2358998.4379492095,
                    1.982487176915864
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T09:44:34+00:00",
            "end_time": "2013-09-15T09:44:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1091.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9277272883825,
              21.627428645869475,
              20.0296867550095
            ],
            [
              -157.9277255369319,
              21.627666043255868,
              20.0296867550095
            ],
            [
              -157.9274615920882,
              21.627664340465394,
              42.1296867550095
            ],
            [
              -157.92746334396887,
              21.627426943099824,
              42.1296867550095
            ],
            [
              -157.9277272883825,
              21.627428645869475,
              20.0296867550095
            ]
          ]
        ]
      },
      "bbox": [
        -157.9277273,
        21.62742694,
        20.02968676,
        -157.9274616,
        21.62766604,
        42.12968676
      ],
      "properties": {
        "datetime": "2013-09-22T02:25:20Z",
        "pc:count": 2648,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610991.0689,
            "count": 2648,
            "maximum": 610999.7522,
            "minimum": 610972.4322,
            "name": "X",
            "position": 0,
            "stddev": 5.813968689,
            "variance": 33.80223191
          },
          {
            "average": 2391989.392,
            "count": 2648,
            "maximum": 2391998.491,
            "minimum": 2391972.211,
            "name": "Y",
            "position": 1,
            "stddev": 5.60639929,
            "variance": 31.431713
          },
          {
            "average": 35.41497376,
            "count": 2648,
            "maximum": 42.12968676,
            "minimum": 20.02968676,
            "name": "Z",
            "position": 2,
            "stddev": 2.561749923,
            "variance": 6.562562668
          },
          {
            "average": 5.365558912,
            "count": 2648,
            "maximum": 51,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 5.906273965,
            "variance": 34.88407215
          },
          {
            "average": 1.704305136,
            "count": 2648,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.909478884,
            "variance": 0.8271518404
          },
          {
            "average": 2.327416918,
            "count": 2648,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.11471416,
            "variance": 1.242587658
          },
          {
            "average": 1,
            "count": 2648,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2648,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.009063444,
            "count": 2648,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.09478761048,
            "variance": 0.0089846911
          },
          {
            "average": 25.71301315,
            "count": 2648,
            "maximum": 25.99799919,
            "minimum": 24,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.5361098171,
            "variance": 0.287413736
          },
          {
            "average": 92.83308157,
            "count": 2648,
            "maximum": 192,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.03174651,
            "variance": 4765.382026
          },
          {
            "average": 14,
            "count": 2648,
            "maximum": 14,
            "minimum": 14,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63851919.94,
            "count": 2648,
            "maximum": 63851920.47,
            "minimum": 63851919.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.2426598483,
            "variance": 0.058883802
          },
          {
            "average": 0,
            "count": 2648,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2648,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2648,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2648,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2648,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610972.4322,
          2391972.211,
          20.02968676,
          610999.7522,
          2391998.491,
          42.12968676
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610972.432188374,
                2391972.210534252,
                20.0296867550095
              ],
              [
                610972.432188374,
                2391998.4905342525,
                20.0296867550095
              ],
              [
                610999.752188374,
                2391998.4905342525,
                42.1296867550095
              ],
              [
                610999.752188374,
                2391972.210534252,
                42.1296867550095
              ],
              [
                610972.432188374,
                2391972.210534252,
                20.0296867550095
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:25:20+00:00",
        "end_time": "2013-09-22T02:25:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1091.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1091.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1091.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1091.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9277273,
            21.62742694,
            20.02968676,
            -157.9274616,
            21.62766604,
            42.12968676
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9277272883825,
                  21.627428645869475,
                  20.0296867550095
                ],
                [
                  -157.9277255369319,
                  21.627666043255868,
                  20.0296867550095
                ],
                [
                  -157.9274615920882,
                  21.627664340465394,
                  42.1296867550095
                ],
                [
                  -157.92746334396887,
                  21.627426943099824,
                  42.1296867550095
                ],
                [
                  -157.9277272883825,
                  21.627428645869475,
                  20.0296867550095
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1091.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1091.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:25:20Z",
            "pc:count": 2648,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610991.0689,
                "count": 2648,
                "maximum": 610999.7522,
                "minimum": 610972.4322,
                "name": "X",
                "position": 0,
                "stddev": 5.813968689,
                "variance": 33.80223191
              },
              {
                "average": 2391989.392,
                "count": 2648,
                "maximum": 2391998.491,
                "minimum": 2391972.211,
                "name": "Y",
                "position": 1,
                "stddev": 5.60639929,
                "variance": 31.431713
              },
              {
                "average": 35.41497376,
                "count": 2648,
                "maximum": 42.12968676,
                "minimum": 20.02968676,
                "name": "Z",
                "position": 2,
                "stddev": 2.561749923,
                "variance": 6.562562668
              },
              {
                "average": 5.365558912,
                "count": 2648,
                "maximum": 51,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 5.906273965,
                "variance": 34.88407215
              },
              {
                "average": 1.704305136,
                "count": 2648,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.909478884,
                "variance": 0.8271518404
              },
              {
                "average": 2.327416918,
                "count": 2648,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.11471416,
                "variance": 1.242587658
              },
              {
                "average": 1,
                "count": 2648,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2648,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.009063444,
                "count": 2648,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.09478761048,
                "variance": 0.0089846911
              },
              {
                "average": 25.71301315,
                "count": 2648,
                "maximum": 25.99799919,
                "minimum": 24,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.5361098171,
                "variance": 0.287413736
              },
              {
                "average": 92.83308157,
                "count": 2648,
                "maximum": 192,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.03174651,
                "variance": 4765.382026
              },
              {
                "average": 14,
                "count": 2648,
                "maximum": 14,
                "minimum": 14,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63851919.94,
                "count": 2648,
                "maximum": 63851920.47,
                "minimum": 63851919.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.2426598483,
                "variance": 0.058883802
              },
              {
                "average": 0,
                "count": 2648,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2648,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2648,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2648,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2648,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610972.4322,
              2391972.211,
              20.02968676,
              610999.7522,
              2391998.491,
              42.12968676
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610972.432188374,
                    2391972.210534252,
                    20.0296867550095
                  ],
                  [
                    610972.432188374,
                    2391998.4905342525,
                    20.0296867550095
                  ],
                  [
                    610999.752188374,
                    2391998.4905342525,
                    42.1296867550095
                  ],
                  [
                    610999.752188374,
                    2391972.210534252,
                    42.1296867550095
                  ],
                  [
                    610972.432188374,
                    2391972.210534252,
                    20.0296867550095
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:25:20+00:00",
            "end_time": "2013-09-22T02:25:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1092.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.929372909933,
              21.627676626372523,
              9.877272597563458
            ],
            [
              -157.92930634843245,
              21.636710012236488,
              9.877272597563458
            ],
            [
              -157.92739485120427,
              21.636697685088915,
              52.31727259756346
            ],
            [
              -157.92746153130736,
              21.62766430494166,
              52.31727259756346
            ],
            [
              -157.929372909933,
              21.627676626372523,
              9.877272597563458
            ]
          ]
        ]
      },
      "bbox": [
        -157.9293729,
        21.6276643,
        9.877272598,
        -157.9273949,
        21.63671001,
        52.3172726
      ],
      "properties": {
        "datetime": "2013-09-22T02:25:20Z",
        "pc:count": 308888,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610942.3403,
            "count": 308888,
            "maximum": 610999.7585,
            "minimum": 610801.9185,
            "name": "X",
            "position": 0,
            "stddev": 41.81464365,
            "variance": 1748.464423
          },
          {
            "average": 2392667.346,
            "count": 308888,
            "maximum": 2392998.487,
            "minimum": 2391998.487,
            "name": "Y",
            "position": 1,
            "stddev": 253.9585675,
            "variance": 64494.954
          },
          {
            "average": 26.70494988,
            "count": 308888,
            "maximum": 52.3172726,
            "minimum": 9.877272598,
            "name": "Z",
            "position": 2,
            "stddev": 6.210404032,
            "variance": 38.56911825
          },
          {
            "average": 9.248141721,
            "count": 308888,
            "maximum": 749,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.98774515,
            "variance": 224.6325046
          },
          {
            "average": 1.588999896,
            "count": 308888,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9027993217,
            "variance": 0.8150466153
          },
          {
            "average": 2.176206262,
            "count": 308888,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.24988281,
            "variance": 1.562207039
          },
          {
            "average": 1,
            "count": 308888,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 308888,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.155625987,
            "count": 308888,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.362500986,
            "variance": 0.1314069649
          },
          {
            "average": 19.70598696,
            "count": 308888,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.143765814,
            "variance": 4.595731863
          },
          {
            "average": 91.71256572,
            "count": 308888,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.83050439,
            "variance": 4600.977326
          },
          {
            "average": 12.58555204,
            "count": 308888,
            "maximum": 14,
            "minimum": 12,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6854008965,
            "variance": 0.4697743889
          },
          {
            "average": 63851290.44,
            "count": 308888,
            "maximum": 63851920.69,
            "minimum": 63851022.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 308.713262,
            "variance": 95303.87814
          },
          {
            "average": 0,
            "count": 308888,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 308888,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 308888,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 308888,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 308888,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610801.9185,
          2391998.487,
          9.877272598,
          610999.7585,
          2392998.487,
          52.3172726
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610801.918506414,
                2391998.486645356,
                9.877272597563458
              ],
              [
                610801.918506414,
                2392998.486645356,
                9.877272597563458
              ],
              [
                610999.7585064141,
                2392998.486645356,
                52.31727259756346
              ],
              [
                610999.7585064141,
                2391998.486645356,
                52.31727259756346
              ],
              [
                610801.918506414,
                2391998.486645356,
                9.877272597563458
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:25:20+00:00",
        "end_time": "2013-09-22T02:10:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1092.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1092.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1092.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1092.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9293729,
            21.6276643,
            9.877272598,
            -157.9273949,
            21.63671001,
            52.3172726
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.929372909933,
                  21.627676626372523,
                  9.877272597563458
                ],
                [
                  -157.92930634843245,
                  21.636710012236488,
                  9.877272597563458
                ],
                [
                  -157.92739485120427,
                  21.636697685088915,
                  52.31727259756346
                ],
                [
                  -157.92746153130736,
                  21.62766430494166,
                  52.31727259756346
                ],
                [
                  -157.929372909933,
                  21.627676626372523,
                  9.877272597563458
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1092.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1092.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:25:20Z",
            "pc:count": 308888,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610942.3403,
                "count": 308888,
                "maximum": 610999.7585,
                "minimum": 610801.9185,
                "name": "X",
                "position": 0,
                "stddev": 41.81464365,
                "variance": 1748.464423
              },
              {
                "average": 2392667.346,
                "count": 308888,
                "maximum": 2392998.487,
                "minimum": 2391998.487,
                "name": "Y",
                "position": 1,
                "stddev": 253.9585675,
                "variance": 64494.954
              },
              {
                "average": 26.70494988,
                "count": 308888,
                "maximum": 52.3172726,
                "minimum": 9.877272598,
                "name": "Z",
                "position": 2,
                "stddev": 6.210404032,
                "variance": 38.56911825
              },
              {
                "average": 9.248141721,
                "count": 308888,
                "maximum": 749,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.98774515,
                "variance": 224.6325046
              },
              {
                "average": 1.588999896,
                "count": 308888,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9027993217,
                "variance": 0.8150466153
              },
              {
                "average": 2.176206262,
                "count": 308888,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.24988281,
                "variance": 1.562207039
              },
              {
                "average": 1,
                "count": 308888,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 308888,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.155625987,
                "count": 308888,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.362500986,
                "variance": 0.1314069649
              },
              {
                "average": 19.70598696,
                "count": 308888,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.143765814,
                "variance": 4.595731863
              },
              {
                "average": 91.71256572,
                "count": 308888,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.83050439,
                "variance": 4600.977326
              },
              {
                "average": 12.58555204,
                "count": 308888,
                "maximum": 14,
                "minimum": 12,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6854008965,
                "variance": 0.4697743889
              },
              {
                "average": 63851290.44,
                "count": 308888,
                "maximum": 63851920.69,
                "minimum": 63851022.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 308.713262,
                "variance": 95303.87814
              },
              {
                "average": 0,
                "count": 308888,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 308888,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 308888,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 308888,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 308888,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610801.9185,
              2391998.487,
              9.877272598,
              610999.7585,
              2392998.487,
              52.3172726
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610801.918506414,
                    2391998.486645356,
                    9.877272597563458
                  ],
                  [
                    610801.918506414,
                    2392998.486645356,
                    9.877272597563458
                  ],
                  [
                    610999.7585064141,
                    2392998.486645356,
                    52.31727259756346
                  ],
                  [
                    610999.7585064141,
                    2391998.486645356,
                    52.31727259756346
                  ],
                  [
                    610801.918506414,
                    2391998.486645356,
                    9.877272597563458
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:25:20+00:00",
            "end_time": "2013-09-22T02:10:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0896.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.94949468798004,
              21.668605166431593,
              2.86425755026093
            ],
            [
              -157.94946304029196,
              21.67297408115236,
              2.86425755026093
            ],
            [
              -157.946456472523,
              21.67295502138267,
              38.64425755026093
            ],
            [
              -157.94648821089075,
              21.66858611085224,
              38.64425755026093
            ],
            [
              -157.94949468798004,
              21.668605166431593,
              2.86425755026093
            ]
          ]
        ]
      },
      "bbox": [
        -157.9494947,
        21.66858611,
        2.86425755,
        -157.9464565,
        21.67297408,
        38.64425755
      ],
      "properties": {
        "datetime": "2013-09-22T01:53:43Z",
        "pc:count": 384875,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608886.0197,
            "count": 384875,
            "maximum": 608999.7431,
            "minimum": 608688.6431,
            "name": "X",
            "position": 0,
            "stddev": 79.92122004,
            "variance": 6387.401412
          },
          {
            "average": 2396831.276,
            "count": 384875,
            "maximum": 2396998.496,
            "minimum": 2396514.856,
            "name": "Y",
            "position": 1,
            "stddev": 121.790842,
            "variance": 14833.00919
          },
          {
            "average": 11.48826784,
            "count": 384875,
            "maximum": 38.64425755,
            "minimum": 2.86425755,
            "name": "Z",
            "position": 2,
            "stddev": 6.641709278,
            "variance": 44.11230213
          },
          {
            "average": 15.29781098,
            "count": 384875,
            "maximum": 770,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.74604322,
            "variance": 430.3983093
          },
          {
            "average": 1.373931796,
            "count": 384875,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7290962863,
            "variance": 0.5315813947
          },
          {
            "average": 1.746060409,
            "count": 384875,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.051464677,
            "variance": 1.105577966
          },
          {
            "average": 1,
            "count": 384875,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 384875,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.227642741,
            "count": 384875,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4193113168,
            "variance": 0.1758219804
          },
          {
            "average": 20.46144732,
            "count": 384875,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.408412736,
            "variance": 5.800451907
          },
          {
            "average": 91.68364534,
            "count": 384875,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.10822457,
            "variance": 4370.297356
          },
          {
            "average": 9.897049691,
            "count": 384875,
            "maximum": 10,
            "minimum": 9,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3038943607,
            "variance": 0.09235178247
          },
          {
            "average": 63849944.66,
            "count": 384875,
            "maximum": 63850023.65,
            "minimum": 63849299.68,
            "name": "GpsTime",
            "position": 12,
            "stddev": 217.7290924,
            "variance": 47405.95769
          },
          {
            "average": 0,
            "count": 384875,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 384875,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 384875,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 384875,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 384875,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608688.6431,
          2396514.856,
          2.86425755,
          608999.7431,
          2396998.496,
          38.64425755
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608688.6430713674,
                2396514.855848512,
                2.86425755026093
              ],
              [
                608688.6430713674,
                2396998.495848512,
                2.86425755026093
              ],
              [
                608999.7430713675,
                2396998.495848512,
                38.64425755026093
              ],
              [
                608999.7430713675,
                2396514.855848512,
                38.64425755026093
              ],
              [
                608688.6430713674,
                2396514.855848512,
                2.86425755026093
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:53:43+00:00",
        "end_time": "2013-09-22T01:41:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0896.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0896.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0896.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0896.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9494947,
            21.66858611,
            2.86425755,
            -157.9464565,
            21.67297408,
            38.64425755
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.94949468798004,
                  21.668605166431593,
                  2.86425755026093
                ],
                [
                  -157.94946304029196,
                  21.67297408115236,
                  2.86425755026093
                ],
                [
                  -157.946456472523,
                  21.67295502138267,
                  38.64425755026093
                ],
                [
                  -157.94648821089075,
                  21.66858611085224,
                  38.64425755026093
                ],
                [
                  -157.94949468798004,
                  21.668605166431593,
                  2.86425755026093
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0896.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0896.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:53:43Z",
            "pc:count": 384875,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608886.0197,
                "count": 384875,
                "maximum": 608999.7431,
                "minimum": 608688.6431,
                "name": "X",
                "position": 0,
                "stddev": 79.92122004,
                "variance": 6387.401412
              },
              {
                "average": 2396831.276,
                "count": 384875,
                "maximum": 2396998.496,
                "minimum": 2396514.856,
                "name": "Y",
                "position": 1,
                "stddev": 121.790842,
                "variance": 14833.00919
              },
              {
                "average": 11.48826784,
                "count": 384875,
                "maximum": 38.64425755,
                "minimum": 2.86425755,
                "name": "Z",
                "position": 2,
                "stddev": 6.641709278,
                "variance": 44.11230213
              },
              {
                "average": 15.29781098,
                "count": 384875,
                "maximum": 770,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.74604322,
                "variance": 430.3983093
              },
              {
                "average": 1.373931796,
                "count": 384875,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7290962863,
                "variance": 0.5315813947
              },
              {
                "average": 1.746060409,
                "count": 384875,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.051464677,
                "variance": 1.105577966
              },
              {
                "average": 1,
                "count": 384875,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 384875,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.227642741,
                "count": 384875,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4193113168,
                "variance": 0.1758219804
              },
              {
                "average": 20.46144732,
                "count": 384875,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.408412736,
                "variance": 5.800451907
              },
              {
                "average": 91.68364534,
                "count": 384875,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.10822457,
                "variance": 4370.297356
              },
              {
                "average": 9.897049691,
                "count": 384875,
                "maximum": 10,
                "minimum": 9,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3038943607,
                "variance": 0.09235178247
              },
              {
                "average": 63849944.66,
                "count": 384875,
                "maximum": 63850023.65,
                "minimum": 63849299.68,
                "name": "GpsTime",
                "position": 12,
                "stddev": 217.7290924,
                "variance": 47405.95769
              },
              {
                "average": 0,
                "count": 384875,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 384875,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 384875,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 384875,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 384875,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608688.6431,
              2396514.856,
              2.86425755,
              608999.7431,
              2396998.496,
              38.64425755
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608688.6430713674,
                    2396514.855848512,
                    2.86425755026093
                  ],
                  [
                    608688.6430713674,
                    2396998.495848512,
                    2.86425755026093
                  ],
                  [
                    608999.7430713675,
                    2396998.495848512,
                    38.64425755026093
                  ],
                  [
                    608999.7430713675,
                    2396514.855848512,
                    38.64425755026093
                  ],
                  [
                    608688.6430713674,
                    2396514.855848512,
                    2.86425755026093
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:53:43+00:00",
            "end_time": "2013-09-22T01:41:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1359.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.91035944899082,
              21.329432908490695,
              -1.291131548741603
            ],
            [
              -157.9103269570887,
              21.33383265793219,
              -1.291131548741603
            ],
            [
              -157.9006849481486,
              21.33376987589648,
              51.928868451258396
            ],
            [
              -157.900717726606,
              21.329370140695573,
              51.928868451258396
            ],
            [
              -157.91035944899082,
              21.329432908490695,
              -1.291131548741603
            ]
          ]
        ]
      },
      "bbox": [
        -157.9103594,
        21.32937014,
        -1.291131549,
        -157.9006849,
        21.33383266,
        51.92886845
      ],
      "properties": {
        "datetime": "2013-09-15T10:07:57Z",
        "pc:count": 2163015,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613527.1751,
            "count": 2163015,
            "maximum": 613999.7679,
            "minimum": 612999.7479,
            "name": "X",
            "position": 0,
            "stddev": 296.7068043,
            "variance": 88034.92771
          },
          {
            "average": 2359225.372,
            "count": 2163015,
            "maximum": 2359485.481,
            "minimum": 2358998.441,
            "name": "Y",
            "position": 1,
            "stddev": 142.3307979,
            "variance": 20258.05603
          },
          {
            "average": 4.33678675,
            "count": 2163015,
            "maximum": 51.92886845,
            "minimum": -1.291131549,
            "name": "Z",
            "position": 2,
            "stddev": 3.313770613,
            "variance": 10.98107568
          },
          {
            "average": 36.14176138,
            "count": 2163015,
            "maximum": 916,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 53.7437756,
            "variance": 2888.393416
          },
          {
            "average": 1.079945816,
            "count": 2163015,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3238293626,
            "variance": 0.1048654561
          },
          {
            "average": 1.144493681,
            "count": 2163015,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4617904563,
            "variance": 0.2132504255
          },
          {
            "average": 1,
            "count": 2163015,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2163015,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.532630148,
            "count": 2163015,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.929439853,
            "variance": 3.722738147
          },
          {
            "average": 0,
            "count": 2163015,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.44482262,
            "count": 2163015,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 62.82527368,
            "variance": 3947.015013
          },
          {
            "average": 2.161958193,
            "count": 2163015,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.191477529,
            "variance": 1.419618703
          },
          {
            "average": 63274026.21,
            "count": 2163015,
            "maximum": 63274877.89,
            "minimum": 63273530.63,
            "name": "GpsTime",
            "position": 12,
            "stddev": 508.7491177,
            "variance": 258825.6648
          },
          {
            "average": 0,
            "count": 2163015,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2163015,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2163015,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2163015,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2163015,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7479,
          2358998.441,
          -1.291131549,
          613999.7679,
          2359485.481,
          51.92886845
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.7479437523,
                2358998.440790967,
                -1.291131548741603
              ],
              [
                612999.7479437523,
                2359485.480790967,
                -1.291131548741603
              ],
              [
                613999.7679437523,
                2359485.480790967,
                51.928868451258396
              ],
              [
                613999.7679437523,
                2358998.440790967,
                51.928868451258396
              ],
              [
                612999.7479437523,
                2358998.440790967,
                -1.291131548741603
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:07:57+00:00",
        "end_time": "2013-09-15T09:45:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1359.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1359.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1359.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1359.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9103594,
            21.32937014,
            -1.291131549,
            -157.9006849,
            21.33383266,
            51.92886845
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.91035944899082,
                  21.329432908490695,
                  -1.291131548741603
                ],
                [
                  -157.9103269570887,
                  21.33383265793219,
                  -1.291131548741603
                ],
                [
                  -157.9006849481486,
                  21.33376987589648,
                  51.928868451258396
                ],
                [
                  -157.900717726606,
                  21.329370140695573,
                  51.928868451258396
                ],
                [
                  -157.91035944899082,
                  21.329432908490695,
                  -1.291131548741603
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1359.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1359.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:07:57Z",
            "pc:count": 2163015,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613527.1751,
                "count": 2163015,
                "maximum": 613999.7679,
                "minimum": 612999.7479,
                "name": "X",
                "position": 0,
                "stddev": 296.7068043,
                "variance": 88034.92771
              },
              {
                "average": 2359225.372,
                "count": 2163015,
                "maximum": 2359485.481,
                "minimum": 2358998.441,
                "name": "Y",
                "position": 1,
                "stddev": 142.3307979,
                "variance": 20258.05603
              },
              {
                "average": 4.33678675,
                "count": 2163015,
                "maximum": 51.92886845,
                "minimum": -1.291131549,
                "name": "Z",
                "position": 2,
                "stddev": 3.313770613,
                "variance": 10.98107568
              },
              {
                "average": 36.14176138,
                "count": 2163015,
                "maximum": 916,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 53.7437756,
                "variance": 2888.393416
              },
              {
                "average": 1.079945816,
                "count": 2163015,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3238293626,
                "variance": 0.1048654561
              },
              {
                "average": 1.144493681,
                "count": 2163015,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4617904563,
                "variance": 0.2132504255
              },
              {
                "average": 1,
                "count": 2163015,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2163015,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.532630148,
                "count": 2163015,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.929439853,
                "variance": 3.722738147
              },
              {
                "average": 0,
                "count": 2163015,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.44482262,
                "count": 2163015,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 62.82527368,
                "variance": 3947.015013
              },
              {
                "average": 2.161958193,
                "count": 2163015,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.191477529,
                "variance": 1.419618703
              },
              {
                "average": 63274026.21,
                "count": 2163015,
                "maximum": 63274877.89,
                "minimum": 63273530.63,
                "name": "GpsTime",
                "position": 12,
                "stddev": 508.7491177,
                "variance": 258825.6648
              },
              {
                "average": 0,
                "count": 2163015,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2163015,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2163015,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2163015,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2163015,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7479,
              2358998.441,
              -1.291131549,
              613999.7679,
              2359485.481,
              51.92886845
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.7479437523,
                    2358998.440790967,
                    -1.291131548741603
                  ],
                  [
                    612999.7479437523,
                    2359485.480790967,
                    -1.291131548741603
                  ],
                  [
                    613999.7679437523,
                    2359485.480790967,
                    51.928868451258396
                  ],
                  [
                    613999.7679437523,
                    2358998.440790967,
                    51.928868451258396
                  ],
                  [
                    612999.7479437523,
                    2358998.440790967,
                    -1.291131548741603
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:07:57+00:00",
            "end_time": "2013-09-15T09:45:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1490.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8986146161084,
              21.609408149678625,
              -39.47582660916264
            ],
            [
              -157.8985462099978,
              21.618441461728708,
              -39.47582660916264
            ],
            [
              -157.8888856929092,
              21.61837719446161,
              -2.335826609162638
            ],
            [
              -157.8889546986583,
              21.609343912046526,
              -2.335826609162638
            ],
            [
              -157.8986146161084,
              21.609408149678625,
              -39.47582660916264
            ]
          ]
        ]
      },
      "bbox": [
        -157.8986146,
        21.60934391,
        -39.47582661,
        -157.8888857,
        21.61844146,
        -2.335826609
      ],
      "properties": {
        "datetime": "2013-09-22T01:19:12Z",
        "pc:count": 2072103,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614353.2016,
            "count": 2072103,
            "maximum": 614999.7806,
            "minimum": 613999.7806,
            "name": "X",
            "position": 0,
            "stddev": 245.1497574,
            "variance": 60098.40358
          },
          {
            "average": 2390323.338,
            "count": 2072103,
            "maximum": 2390998.485,
            "minimum": 2389998.485,
            "name": "Y",
            "position": 1,
            "stddev": 231.6634042,
            "variance": 53667.93285
          },
          {
            "average": -7.076723476,
            "count": 2072103,
            "maximum": -2.335826609,
            "minimum": -39.47582661,
            "name": "Z",
            "position": 2,
            "stddev": 2.83141293,
            "variance": 8.016899178
          },
          {
            "average": 11.3003147,
            "count": 2072103,
            "maximum": 1315,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.3375916,
            "variance": 413.6176319
          },
          {
            "average": 1.010397167,
            "count": 2072103,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1026552139,
            "variance": 0.01053809293
          },
          {
            "average": 1.016371773,
            "count": 2072103,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1286492714,
            "variance": 0.01655063504
          },
          {
            "average": 1,
            "count": 2072103,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2072103,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2072103,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.61155695,
            "count": 2072103,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.789939479,
            "variance": 14.36364125
          },
          {
            "average": 123.1877619,
            "count": 2072103,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 80.89063551,
            "variance": 6543.294914
          },
          {
            "average": 4.801503111,
            "count": 2072103,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.273031779,
            "variance": 1.620609911
          },
          {
            "average": 63846782.84,
            "count": 2072103,
            "maximum": 63847952.94,
            "minimum": 63832870.48,
            "name": "GpsTime",
            "position": 12,
            "stddev": 675.7763462,
            "variance": 456673.6702
          },
          {
            "average": 0,
            "count": 2072103,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2072103,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2072103,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2072103,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2072103,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.7806,
          2389998.485,
          -39.47582661,
          614999.7806,
          2390998.485,
          -2.335826609
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.7805720959,
                2389998.485208419,
                -39.47582660916264
              ],
              [
                613999.7805720959,
                2390998.485208419,
                -39.47582660916264
              ],
              [
                614999.7805720959,
                2390998.485208419,
                -2.335826609162638
              ],
              [
                614999.7805720959,
                2389998.485208419,
                -2.335826609162638
              ],
              [
                613999.7805720959,
                2389998.485208419,
                -39.47582660916264
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:19:12+00:00",
        "end_time": "2013-09-21T21:07:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1490.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1490.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1490.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1490.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8986146,
            21.60934391,
            -39.47582661,
            -157.8888857,
            21.61844146,
            -2.335826609
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8986146161084,
                  21.609408149678625,
                  -39.47582660916264
                ],
                [
                  -157.8985462099978,
                  21.618441461728708,
                  -39.47582660916264
                ],
                [
                  -157.8888856929092,
                  21.61837719446161,
                  -2.335826609162638
                ],
                [
                  -157.8889546986583,
                  21.609343912046526,
                  -2.335826609162638
                ],
                [
                  -157.8986146161084,
                  21.609408149678625,
                  -39.47582660916264
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1490.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1490.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:19:12Z",
            "pc:count": 2072103,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614353.2016,
                "count": 2072103,
                "maximum": 614999.7806,
                "minimum": 613999.7806,
                "name": "X",
                "position": 0,
                "stddev": 245.1497574,
                "variance": 60098.40358
              },
              {
                "average": 2390323.338,
                "count": 2072103,
                "maximum": 2390998.485,
                "minimum": 2389998.485,
                "name": "Y",
                "position": 1,
                "stddev": 231.6634042,
                "variance": 53667.93285
              },
              {
                "average": -7.076723476,
                "count": 2072103,
                "maximum": -2.335826609,
                "minimum": -39.47582661,
                "name": "Z",
                "position": 2,
                "stddev": 2.83141293,
                "variance": 8.016899178
              },
              {
                "average": 11.3003147,
                "count": 2072103,
                "maximum": 1315,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.3375916,
                "variance": 413.6176319
              },
              {
                "average": 1.010397167,
                "count": 2072103,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1026552139,
                "variance": 0.01053809293
              },
              {
                "average": 1.016371773,
                "count": 2072103,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1286492714,
                "variance": 0.01655063504
              },
              {
                "average": 1,
                "count": 2072103,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2072103,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2072103,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.61155695,
                "count": 2072103,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.789939479,
                "variance": 14.36364125
              },
              {
                "average": 123.1877619,
                "count": 2072103,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 80.89063551,
                "variance": 6543.294914
              },
              {
                "average": 4.801503111,
                "count": 2072103,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.273031779,
                "variance": 1.620609911
              },
              {
                "average": 63846782.84,
                "count": 2072103,
                "maximum": 63847952.94,
                "minimum": 63832870.48,
                "name": "GpsTime",
                "position": 12,
                "stddev": 675.7763462,
                "variance": 456673.6702
              },
              {
                "average": 0,
                "count": 2072103,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2072103,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2072103,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2072103,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2072103,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.7806,
              2389998.485,
              -39.47582661,
              614999.7806,
              2390998.485,
              -2.335826609
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.7805720959,
                    2389998.485208419,
                    -39.47582660916264
                  ],
                  [
                    613999.7805720959,
                    2390998.485208419,
                    -39.47582660916264
                  ],
                  [
                    614999.7805720959,
                    2390998.485208419,
                    -2.335826609162638
                  ],
                  [
                    614999.7805720959,
                    2389998.485208419,
                    -2.335826609162638
                  ],
                  [
                    613999.7805720959,
                    2389998.485208419,
                    -39.47582660916264
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:19:12+00:00",
            "end_time": "2013-09-21T21:07:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1093.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.93115670040063,
              21.636721925244345,
              1.271296765562788
            ],
            [
              -157.93109021898013,
              21.64575530654843,
              1.271296765562788
            ],
            [
              -157.92732805226586,
              21.645731055787483,
              43.31129676556279
            ],
            [
              -157.9273947674129,
              21.636697685674022,
              43.31129676556279
            ],
            [
              -157.93115670040063,
              21.636721925244345,
              1.271296765562788
            ]
          ]
        ]
      },
      "bbox": [
        -157.9311567,
        21.63669769,
        1.271296766,
        -157.9273281,
        21.64575531,
        43.31129677
      ],
      "properties": {
        "datetime": "2013-09-22T02:10:25Z",
        "pc:count": 943674,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610878.4941,
            "count": 943674,
            "maximum": 610999.7672,
            "minimum": 610610.4072,
            "name": "X",
            "position": 0,
            "stddev": 91.18820753,
            "variance": 8315.289192
          },
          {
            "average": 2393620.811,
            "count": 943674,
            "maximum": 2393998.487,
            "minimum": 2392998.487,
            "name": "Y",
            "position": 1,
            "stddev": 277.3162071,
            "variance": 76904.27872
          },
          {
            "average": 10.00783081,
            "count": 943674,
            "maximum": 43.31129677,
            "minimum": 1.271296766,
            "name": "Z",
            "position": 2,
            "stddev": 6.728872537,
            "variance": 45.27772562
          },
          {
            "average": 20.04446345,
            "count": 943674,
            "maximum": 889,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.77219623,
            "variance": 886.3836682
          },
          {
            "average": 1.326215409,
            "count": 943674,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6922507079,
            "variance": 0.4792110426
          },
          {
            "average": 1.652130927,
            "count": 943674,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.013395502,
            "variance": 1.026970444
          },
          {
            "average": 1,
            "count": 943674,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 943674,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.231609645,
            "count": 943674,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4218611215,
            "variance": 0.1779668059
          },
          {
            "average": 19.57784296,
            "count": 943674,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.661339472,
            "variance": 7.082727785
          },
          {
            "average": 91.94141833,
            "count": 943674,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.62166653,
            "variance": 4306.203119
          },
          {
            "average": 10.36448286,
            "count": 943674,
            "maximum": 12,
            "minimum": 9,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7350333613,
            "variance": 0.5402740423
          },
          {
            "average": 63850225.01,
            "count": 943674,
            "maximum": 63851025.54,
            "minimum": 63849351.37,
            "name": "GpsTime",
            "position": 12,
            "stddev": 400.4950363,
            "variance": 160396.2741
          },
          {
            "average": 0,
            "count": 943674,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 943674,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 943674,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 943674,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 943674,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610610.4072,
          2392998.487,
          1.271296766,
          610999.7672,
          2393998.487,
          43.31129677
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610610.4071779682,
                2392998.4867699943,
                1.271296765562788
              ],
              [
                610610.4071779682,
                2393998.4867699943,
                1.271296765562788
              ],
              [
                610999.7671779683,
                2393998.4867699943,
                43.31129676556279
              ],
              [
                610999.7671779683,
                2392998.4867699943,
                43.31129676556279
              ],
              [
                610610.4071779682,
                2392998.4867699943,
                1.271296765562788
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:10:25+00:00",
        "end_time": "2013-09-22T01:42:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1093.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1093.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1093.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1093.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9311567,
            21.63669769,
            1.271296766,
            -157.9273281,
            21.64575531,
            43.31129677
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.93115670040063,
                  21.636721925244345,
                  1.271296765562788
                ],
                [
                  -157.93109021898013,
                  21.64575530654843,
                  1.271296765562788
                ],
                [
                  -157.92732805226586,
                  21.645731055787483,
                  43.31129676556279
                ],
                [
                  -157.9273947674129,
                  21.636697685674022,
                  43.31129676556279
                ],
                [
                  -157.93115670040063,
                  21.636721925244345,
                  1.271296765562788
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1093.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1093.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:10:25Z",
            "pc:count": 943674,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610878.4941,
                "count": 943674,
                "maximum": 610999.7672,
                "minimum": 610610.4072,
                "name": "X",
                "position": 0,
                "stddev": 91.18820753,
                "variance": 8315.289192
              },
              {
                "average": 2393620.811,
                "count": 943674,
                "maximum": 2393998.487,
                "minimum": 2392998.487,
                "name": "Y",
                "position": 1,
                "stddev": 277.3162071,
                "variance": 76904.27872
              },
              {
                "average": 10.00783081,
                "count": 943674,
                "maximum": 43.31129677,
                "minimum": 1.271296766,
                "name": "Z",
                "position": 2,
                "stddev": 6.728872537,
                "variance": 45.27772562
              },
              {
                "average": 20.04446345,
                "count": 943674,
                "maximum": 889,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.77219623,
                "variance": 886.3836682
              },
              {
                "average": 1.326215409,
                "count": 943674,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6922507079,
                "variance": 0.4792110426
              },
              {
                "average": 1.652130927,
                "count": 943674,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.013395502,
                "variance": 1.026970444
              },
              {
                "average": 1,
                "count": 943674,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 943674,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.231609645,
                "count": 943674,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4218611215,
                "variance": 0.1779668059
              },
              {
                "average": 19.57784296,
                "count": 943674,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.661339472,
                "variance": 7.082727785
              },
              {
                "average": 91.94141833,
                "count": 943674,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.62166653,
                "variance": 4306.203119
              },
              {
                "average": 10.36448286,
                "count": 943674,
                "maximum": 12,
                "minimum": 9,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7350333613,
                "variance": 0.5402740423
              },
              {
                "average": 63850225.01,
                "count": 943674,
                "maximum": 63851025.54,
                "minimum": 63849351.37,
                "name": "GpsTime",
                "position": 12,
                "stddev": 400.4950363,
                "variance": 160396.2741
              },
              {
                "average": 0,
                "count": 943674,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 943674,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 943674,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 943674,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 943674,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610610.4072,
              2392998.487,
              1.271296766,
              610999.7672,
              2393998.487,
              43.31129677
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610610.4071779682,
                    2392998.4867699943,
                    1.271296765562788
                  ],
                  [
                    610610.4071779682,
                    2393998.4867699943,
                    1.271296765562788
                  ],
                  [
                    610999.7671779683,
                    2393998.4867699943,
                    43.31129676556279
                  ],
                  [
                    610999.7671779683,
                    2392998.4867699943,
                    43.31129676556279
                  ],
                  [
                    610610.4071779682,
                    2392998.4867699943,
                    1.271296765562788
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:10:25+00:00",
            "end_time": "2013-09-22T01:42:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1491.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89854624305252,
              21.618441502896754,
              -45.13125470045951
            ],
            [
              -157.89847781784766,
              21.62747462038637,
              -45.13125470045951
            ],
            [
              -157.88884703695078,
              21.627410526196915,
              -6.411254700459509
            ],
            [
              -157.8889160599313,
              21.618377438307814,
              -6.411254700459509
            ],
            [
              -157.89854624305252,
              21.618441502896754,
              -45.13125470045951
            ]
          ]
        ]
      },
      "bbox": [
        -157.8985462,
        21.61837744,
        -45.1312547,
        -157.888847,
        21.62747462,
        -6.4112547
      ],
      "properties": {
        "datetime": "2013-09-22T01:02:17Z",
        "pc:count": 80855,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614149.4209,
            "count": 80855,
            "maximum": 614996.6371,
            "minimum": 613999.7771,
            "name": "X",
            "position": 0,
            "stddev": 105.1464805,
            "variance": 11055.78237
          },
          {
            "average": 2391203.298,
            "count": 80855,
            "maximum": 2391998.47,
            "minimum": 2390998.49,
            "name": "Y",
            "position": 1,
            "stddev": 139.253605,
            "variance": 19391.5665
          },
          {
            "average": -20.30326101,
            "count": 80855,
            "maximum": -6.4112547,
            "minimum": -45.1312547,
            "name": "Z",
            "position": 2,
            "stddev": 7.014847667,
            "variance": 49.20808779
          },
          {
            "average": 61.56028693,
            "count": 80855,
            "maximum": 1049,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 56.46776867,
            "variance": 3188.608899
          },
          {
            "average": 1.002189104,
            "count": 80855,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04700079504,
            "variance": 0.002209074735
          },
          {
            "average": 1.002275679,
            "count": 80855,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04816637769,
            "variance": 0.00231999994
          },
          {
            "average": 1,
            "count": 80855,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 80855,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 80855,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.81653145,
            "count": 80855,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.019868908,
            "variance": 36.23882167
          },
          {
            "average": 238.1707996,
            "count": 80855,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 38.47110782,
            "variance": 1480.026137
          },
          {
            "average": 3.165048544,
            "count": 80855,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7300282135,
            "variance": 0.5329411926
          },
          {
            "average": 63845893.08,
            "count": 80855,
            "maximum": 63846937.87,
            "minimum": 63832873.11,
            "name": "GpsTime",
            "position": 12,
            "stddev": 493.7270942,
            "variance": 243766.4435
          },
          {
            "average": 0,
            "count": 80855,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 80855,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 80855,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 80855,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 80855,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.7771,
          2390998.49,
          -45.1312547,
          614996.6371,
          2391998.47,
          -6.4112547
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.777118364,
                2390998.489741317,
                -45.13125470045951
              ],
              [
                613999.777118364,
                2391998.4697413174,
                -45.13125470045951
              ],
              [
                614996.6371183641,
                2391998.4697413174,
                -6.411254700459509
              ],
              [
                614996.6371183641,
                2390998.489741317,
                -6.411254700459509
              ],
              [
                613999.777118364,
                2390998.489741317,
                -45.13125470045951
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:02:17+00:00",
        "end_time": "2013-09-21T21:07:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1491.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1491.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1491.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1491.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8985462,
            21.61837744,
            -45.1312547,
            -157.888847,
            21.62747462,
            -6.4112547
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89854624305252,
                  21.618441502896754,
                  -45.13125470045951
                ],
                [
                  -157.89847781784766,
                  21.62747462038637,
                  -45.13125470045951
                ],
                [
                  -157.88884703695078,
                  21.627410526196915,
                  -6.411254700459509
                ],
                [
                  -157.8889160599313,
                  21.618377438307814,
                  -6.411254700459509
                ],
                [
                  -157.89854624305252,
                  21.618441502896754,
                  -45.13125470045951
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1491.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1491.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:02:17Z",
            "pc:count": 80855,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614149.4209,
                "count": 80855,
                "maximum": 614996.6371,
                "minimum": 613999.7771,
                "name": "X",
                "position": 0,
                "stddev": 105.1464805,
                "variance": 11055.78237
              },
              {
                "average": 2391203.298,
                "count": 80855,
                "maximum": 2391998.47,
                "minimum": 2390998.49,
                "name": "Y",
                "position": 1,
                "stddev": 139.253605,
                "variance": 19391.5665
              },
              {
                "average": -20.30326101,
                "count": 80855,
                "maximum": -6.4112547,
                "minimum": -45.1312547,
                "name": "Z",
                "position": 2,
                "stddev": 7.014847667,
                "variance": 49.20808779
              },
              {
                "average": 61.56028693,
                "count": 80855,
                "maximum": 1049,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 56.46776867,
                "variance": 3188.608899
              },
              {
                "average": 1.002189104,
                "count": 80855,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04700079504,
                "variance": 0.002209074735
              },
              {
                "average": 1.002275679,
                "count": 80855,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04816637769,
                "variance": 0.00231999994
              },
              {
                "average": 1,
                "count": 80855,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 80855,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 80855,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.81653145,
                "count": 80855,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.019868908,
                "variance": 36.23882167
              },
              {
                "average": 238.1707996,
                "count": 80855,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 38.47110782,
                "variance": 1480.026137
              },
              {
                "average": 3.165048544,
                "count": 80855,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7300282135,
                "variance": 0.5329411926
              },
              {
                "average": 63845893.08,
                "count": 80855,
                "maximum": 63846937.87,
                "minimum": 63832873.11,
                "name": "GpsTime",
                "position": 12,
                "stddev": 493.7270942,
                "variance": 243766.4435
              },
              {
                "average": 0,
                "count": 80855,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 80855,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 80855,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 80855,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 80855,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.7771,
              2390998.49,
              -45.1312547,
              614996.6371,
              2391998.47,
              -6.4112547
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.777118364,
                    2390998.489741317,
                    -45.13125470045951
                  ],
                  [
                    613999.777118364,
                    2391998.4697413174,
                    -45.13125470045951
                  ],
                  [
                    614996.6371183641,
                    2391998.4697413174,
                    -6.411254700459509
                  ],
                  [
                    614996.6371183641,
                    2390998.489741317,
                    -6.411254700459509
                  ],
                  [
                    613999.777118364,
                    2390998.489741317,
                    -45.13125470045951
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:02:17+00:00",
            "end_time": "2013-09-21T21:07:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1492.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89847705908238,
              21.627483420406772,
              -53.93150516196061
            ],
            [
              -157.89840864899577,
              21.63650785959083,
              -53.93150516196061
            ],
            [
              -157.89277219254515,
              21.636470400855316,
              -35.85150516196061
            ],
            [
              -157.89284095244582,
              21.62744597891024,
              -35.85150516196061
            ],
            [
              -157.89847705908238,
              21.627483420406772,
              -53.93150516196061
            ]
          ]
        ]
      },
      "bbox": [
        -157.8984771,
        21.62744598,
        -53.93150516,
        -157.8927722,
        21.63650786,
        -35.85150516
      ],
      "properties": {
        "datetime": "2013-09-22T00:34:06Z",
        "pc:count": 3523,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614177.549,
            "count": 3523,
            "maximum": 614583.2287,
            "minimum": 613999.8487,
            "name": "X",
            "position": 0,
            "stddev": 130.0132684,
            "variance": 16903.44997
          },
          {
            "average": 2392698.142,
            "count": 3523,
            "maximum": 2392998.464,
            "minimum": 2391999.444,
            "name": "Y",
            "position": 1,
            "stddev": 265.2762406,
            "variance": 70371.48385
          },
          {
            "average": -40.37336721,
            "count": 3523,
            "maximum": -35.85150516,
            "minimum": -53.93150516,
            "name": "Z",
            "position": 2,
            "stddev": 3.399526205,
            "variance": 11.55677842
          },
          {
            "average": 89.36275901,
            "count": 3523,
            "maximum": 898,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 161.6848527,
            "variance": 26141.99159
          },
          {
            "average": 1,
            "count": 3523,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 3523,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 3523,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3523,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3523,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.8838609,
            "count": 3523,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.780173089,
            "variance": 60.53109329
          },
          {
            "average": 249.0014192,
            "count": 3523,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.03765146875,
            "variance": 0.001417633099
          },
          {
            "average": 4.408742549,
            "count": 3523,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.430324887,
            "variance": 2.045829282
          },
          {
            "average": 63833107.42,
            "count": 3523,
            "maximum": 63845246.99,
            "minimum": 63830419.81,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3507.012548,
            "variance": 12299137.01
          },
          {
            "average": 0,
            "count": 3523,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3523,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3523,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3523,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3523,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.8487,
          2391999.444,
          -53.93150516,
          614583.2287,
          2392998.464,
          -35.85150516
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.8487497185,
                2391999.4444249147,
                -53.93150516196061
              ],
              [
                613999.8487497185,
                2392998.464424914,
                -53.93150516196061
              ],
              [
                614583.2287497184,
                2392998.464424914,
                -35.85150516196061
              ],
              [
                614583.2287497184,
                2391999.4444249147,
                -35.85150516196061
              ],
              [
                613999.8487497185,
                2391999.4444249147,
                -53.93150516196061
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:34:06+00:00",
        "end_time": "2013-09-21T20:26:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1492.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1492.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1492.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1492.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8984771,
            21.62744598,
            -53.93150516,
            -157.8927722,
            21.63650786,
            -35.85150516
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89847705908238,
                  21.627483420406772,
                  -53.93150516196061
                ],
                [
                  -157.89840864899577,
                  21.63650785959083,
                  -53.93150516196061
                ],
                [
                  -157.89277219254515,
                  21.636470400855316,
                  -35.85150516196061
                ],
                [
                  -157.89284095244582,
                  21.62744597891024,
                  -35.85150516196061
                ],
                [
                  -157.89847705908238,
                  21.627483420406772,
                  -53.93150516196061
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1492.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1492.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:34:06Z",
            "pc:count": 3523,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614177.549,
                "count": 3523,
                "maximum": 614583.2287,
                "minimum": 613999.8487,
                "name": "X",
                "position": 0,
                "stddev": 130.0132684,
                "variance": 16903.44997
              },
              {
                "average": 2392698.142,
                "count": 3523,
                "maximum": 2392998.464,
                "minimum": 2391999.444,
                "name": "Y",
                "position": 1,
                "stddev": 265.2762406,
                "variance": 70371.48385
              },
              {
                "average": -40.37336721,
                "count": 3523,
                "maximum": -35.85150516,
                "minimum": -53.93150516,
                "name": "Z",
                "position": 2,
                "stddev": 3.399526205,
                "variance": 11.55677842
              },
              {
                "average": 89.36275901,
                "count": 3523,
                "maximum": 898,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 161.6848527,
                "variance": 26141.99159
              },
              {
                "average": 1,
                "count": 3523,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 3523,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 3523,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3523,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3523,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.8838609,
                "count": 3523,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.780173089,
                "variance": 60.53109329
              },
              {
                "average": 249.0014192,
                "count": 3523,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.03765146875,
                "variance": 0.001417633099
              },
              {
                "average": 4.408742549,
                "count": 3523,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.430324887,
                "variance": 2.045829282
              },
              {
                "average": 63833107.42,
                "count": 3523,
                "maximum": 63845246.99,
                "minimum": 63830419.81,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3507.012548,
                "variance": 12299137.01
              },
              {
                "average": 0,
                "count": 3523,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3523,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3523,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3523,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3523,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.8487,
              2391999.444,
              -53.93150516,
              614583.2287,
              2392998.464,
              -35.85150516
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.8487497185,
                    2391999.4444249147,
                    -53.93150516196061
                  ],
                  [
                    613999.8487497185,
                    2392998.464424914,
                    -53.93150516196061
                  ],
                  [
                    614583.2287497184,
                    2392998.464424914,
                    -35.85150516196061
                  ],
                  [
                    614583.2287497184,
                    2391999.4444249147,
                    -35.85150516196061
                  ],
                  [
                    613999.8487497185,
                    2391999.4444249147,
                    -53.93150516196061
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:34:06+00:00",
            "end_time": "2013-09-21T20:26:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1493.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89840929159502,
              21.636508896768806,
              -53.08496876519419
            ],
            [
              -157.89834078905236,
              21.64554055302859,
              -53.08496876519419
            ],
            [
              -157.8930268968167,
              21.645505229109595,
              -33.72496876519419
            ],
            [
              -157.89309572961608,
              21.63647358909678,
              -33.72496876519419
            ],
            [
              -157.89840929159502,
              21.636508896768806,
              -53.08496876519419
            ]
          ]
        ]
      },
      "bbox": [
        -157.8984093,
        21.63647359,
        -53.08496877,
        -157.8930269,
        21.64554055,
        -33.72496877
      ],
      "properties": {
        "datetime": "2013-09-21T20:56:19Z",
        "pc:count": 11042,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614104.7392,
            "count": 11042,
            "maximum": 614549.7414,
            "minimum": 613999.7814,
            "name": "X",
            "position": 0,
            "stddev": 97.68267233,
            "variance": 9541.904473
          },
          {
            "average": 2393369.2,
            "count": 11042,
            "maximum": 2393998.399,
            "minimum": 2392998.579,
            "name": "Y",
            "position": 1,
            "stddev": 247.0484809,
            "variance": 61032.95189
          },
          {
            "average": -41.18610986,
            "count": 11042,
            "maximum": -33.72496877,
            "minimum": -53.08496877,
            "name": "Z",
            "position": 2,
            "stddev": 4.526293506,
            "variance": 20.48733291
          },
          {
            "average": 227.4677595,
            "count": 11042,
            "maximum": 1871,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 221.2994196,
            "variance": 48973.43311
          },
          {
            "average": 1.000090563,
            "count": 11042,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.009516475385,
            "variance": 9.056330375e-05
          },
          {
            "average": 1.000090563,
            "count": 11042,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.009516475385,
            "variance": 9.056330375e-05
          },
          {
            "average": 1,
            "count": 11042,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11042,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 11042,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.01146635,
            "count": 11042,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.012267117,
            "variance": 49.17189012
          },
          {
            "average": 249.0030792,
            "count": 11042,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.05540712204,
            "variance": 0.003069949173
          },
          {
            "average": 2.5296142,
            "count": 11042,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.444778479,
            "variance": 2.087384853
          },
          {
            "average": 63831051.19,
            "count": 11042,
            "maximum": 63832179.45,
            "minimum": 63830419.01,
            "name": "GpsTime",
            "position": 12,
            "stddev": 642.5327104,
            "variance": 412848.2839
          },
          {
            "average": 0,
            "count": 11042,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11042,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11042,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11042,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11042,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.7814,
          2392998.579,
          -53.08496877,
          614549.7414,
          2393998.399,
          -33.72496877
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.7814293869,
                2392998.578764949,
                -53.08496876519419
              ],
              [
                613999.7814293869,
                2393998.3987649493,
                -53.08496876519419
              ],
              [
                614549.7414293869,
                2393998.3987649493,
                -33.72496876519419
              ],
              [
                614549.7414293869,
                2392998.578764949,
                -33.72496876519419
              ],
              [
                613999.7814293869,
                2392998.578764949,
                -53.08496876519419
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T20:56:19+00:00",
        "end_time": "2013-09-21T20:26:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1493.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1493.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1493.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1493.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8984093,
            21.63647359,
            -53.08496877,
            -157.8930269,
            21.64554055,
            -33.72496877
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89840929159502,
                  21.636508896768806,
                  -53.08496876519419
                ],
                [
                  -157.89834078905236,
                  21.64554055302859,
                  -53.08496876519419
                ],
                [
                  -157.8930268968167,
                  21.645505229109595,
                  -33.72496876519419
                ],
                [
                  -157.89309572961608,
                  21.63647358909678,
                  -33.72496876519419
                ],
                [
                  -157.89840929159502,
                  21.636508896768806,
                  -53.08496876519419
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1493.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1493.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T20:56:19Z",
            "pc:count": 11042,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614104.7392,
                "count": 11042,
                "maximum": 614549.7414,
                "minimum": 613999.7814,
                "name": "X",
                "position": 0,
                "stddev": 97.68267233,
                "variance": 9541.904473
              },
              {
                "average": 2393369.2,
                "count": 11042,
                "maximum": 2393998.399,
                "minimum": 2392998.579,
                "name": "Y",
                "position": 1,
                "stddev": 247.0484809,
                "variance": 61032.95189
              },
              {
                "average": -41.18610986,
                "count": 11042,
                "maximum": -33.72496877,
                "minimum": -53.08496877,
                "name": "Z",
                "position": 2,
                "stddev": 4.526293506,
                "variance": 20.48733291
              },
              {
                "average": 227.4677595,
                "count": 11042,
                "maximum": 1871,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 221.2994196,
                "variance": 48973.43311
              },
              {
                "average": 1.000090563,
                "count": 11042,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.009516475385,
                "variance": 9.056330375e-05
              },
              {
                "average": 1.000090563,
                "count": 11042,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.009516475385,
                "variance": 9.056330375e-05
              },
              {
                "average": 1,
                "count": 11042,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11042,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 11042,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.01146635,
                "count": 11042,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.012267117,
                "variance": 49.17189012
              },
              {
                "average": 249.0030792,
                "count": 11042,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.05540712204,
                "variance": 0.003069949173
              },
              {
                "average": 2.5296142,
                "count": 11042,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.444778479,
                "variance": 2.087384853
              },
              {
                "average": 63831051.19,
                "count": 11042,
                "maximum": 63832179.45,
                "minimum": 63830419.01,
                "name": "GpsTime",
                "position": 12,
                "stddev": 642.5327104,
                "variance": 412848.2839
              },
              {
                "average": 0,
                "count": 11042,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11042,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11042,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11042,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11042,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.7814,
              2392998.579,
              -53.08496877,
              614549.7414,
              2393998.399,
              -33.72496877
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.7814293869,
                    2392998.578764949,
                    -53.08496876519419
                  ],
                  [
                    613999.7814293869,
                    2393998.3987649493,
                    -53.08496876519419
                  ],
                  [
                    614549.7414293869,
                    2393998.3987649493,
                    -33.72496876519419
                  ],
                  [
                    614549.7414293869,
                    2392998.578764949,
                    -33.72496876519419
                  ],
                  [
                    613999.7814293869,
                    2392998.578764949,
                    -53.08496876519419
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T20:56:19+00:00",
            "end_time": "2013-09-21T20:26:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1494.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89832591821155,
              21.645579096400727,
              -51.00615632440834
            ],
            [
              -157.89830011354934,
              21.6489799439915,
              -51.00615632440834
            ],
            [
              -157.8968723736501,
              21.64897046825072,
              -45.166156324408334
            ],
            [
              -157.89689821173877,
              21.645569622299863,
              -45.166156324408334
            ],
            [
              -157.89832591821155,
              21.645579096400727,
              -51.00615632440834
            ]
          ]
        ]
      },
      "bbox": [
        -157.8983259,
        21.64556962,
        -51.00615632,
        -157.8968724,
        21.64897994,
        -45.16615632
      ],
      "properties": {
        "datetime": "2013-09-21T20:27:20Z",
        "pc:count": 96,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614036.3746,
            "count": 96,
            "maximum": 614149.0501,
            "minimum": 614001.2901,
            "name": "X",
            "position": 0,
            "stddev": 33.97357831,
            "variance": 1154.204023
          },
          {
            "average": 2394158.865,
            "count": 96,
            "maximum": 2394379.156,
            "minimum": 2394002.676,
            "name": "Y",
            "position": 1,
            "stddev": 103.5934392,
            "variance": 10731.60064
          },
          {
            "average": -47.56521882,
            "count": 96,
            "maximum": -45.16615632,
            "minimum": -51.00615632,
            "name": "Z",
            "position": 2,
            "stddev": 1.35592507,
            "variance": 1.838532796
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 96,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 96,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 96,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 96,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.97881236,
            "count": 96,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.645928384,
            "variance": 58.46022085
          },
          {
            "average": 249,
            "count": 96,
            "maximum": 249,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 96,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63830437.51,
            "count": 96,
            "maximum": 63830440.07,
            "minimum": 63830432.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.788747648,
            "variance": 3.199618149
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614001.2901,
          2394002.676,
          -51.00615632,
          614149.0501,
          2394379.156,
          -45.16615632
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614001.2901416902,
                2394002.6762871547,
                -51.00615632440834
              ],
              [
                614001.2901416902,
                2394379.156287155,
                -51.00615632440834
              ],
              [
                614149.0501416902,
                2394379.156287155,
                -45.166156324408334
              ],
              [
                614149.0501416902,
                2394002.6762871547,
                -45.166156324408334
              ],
              [
                614001.2901416902,
                2394002.6762871547,
                -51.00615632440834
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T20:27:20+00:00",
        "end_time": "2013-09-21T20:27:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1494.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1494.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1494.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1494.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8983259,
            21.64556962,
            -51.00615632,
            -157.8968724,
            21.64897994,
            -45.16615632
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89832591821155,
                  21.645579096400727,
                  -51.00615632440834
                ],
                [
                  -157.89830011354934,
                  21.6489799439915,
                  -51.00615632440834
                ],
                [
                  -157.8968723736501,
                  21.64897046825072,
                  -45.166156324408334
                ],
                [
                  -157.89689821173877,
                  21.645569622299863,
                  -45.166156324408334
                ],
                [
                  -157.89832591821155,
                  21.645579096400727,
                  -51.00615632440834
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1494.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1494.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T20:27:20Z",
            "pc:count": 96,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614036.3746,
                "count": 96,
                "maximum": 614149.0501,
                "minimum": 614001.2901,
                "name": "X",
                "position": 0,
                "stddev": 33.97357831,
                "variance": 1154.204023
              },
              {
                "average": 2394158.865,
                "count": 96,
                "maximum": 2394379.156,
                "minimum": 2394002.676,
                "name": "Y",
                "position": 1,
                "stddev": 103.5934392,
                "variance": 10731.60064
              },
              {
                "average": -47.56521882,
                "count": 96,
                "maximum": -45.16615632,
                "minimum": -51.00615632,
                "name": "Z",
                "position": 2,
                "stddev": 1.35592507,
                "variance": 1.838532796
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 96,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 96,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 96,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 96,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.97881236,
                "count": 96,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.645928384,
                "variance": 58.46022085
              },
              {
                "average": 249,
                "count": 96,
                "maximum": 249,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 96,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63830437.51,
                "count": 96,
                "maximum": 63830440.07,
                "minimum": 63830432.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.788747648,
                "variance": 3.199618149
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614001.2901,
              2394002.676,
              -51.00615632,
              614149.0501,
              2394379.156,
              -45.16615632
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614001.2901416902,
                    2394002.6762871547,
                    -51.00615632440834
                  ],
                  [
                    614001.2901416902,
                    2394379.156287155,
                    -51.00615632440834
                  ],
                  [
                    614149.0501416902,
                    2394379.156287155,
                    -45.166156324408334
                  ],
                  [
                    614149.0501416902,
                    2394002.6762871547,
                    -45.166156324408334
                  ],
                  [
                    614001.2901416902,
                    2394002.6762871547,
                    -51.00615632440834
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T20:27:20+00:00",
            "end_time": "2013-09-21T20:27:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1553.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88517581100012,
              21.283008217233235,
              -51.495396217295905
            ],
            [
              -157.88516760305748,
              21.284097311652832,
              -51.495396217295905
            ],
            [
              -157.881776777829,
              21.28407483163259,
              -38.05539621729591
            ],
            [
              -157.88178501078457,
              21.282985738438835,
              -38.05539621729591
            ],
            [
              -157.88517581100012,
              21.283008217233235,
              -51.495396217295905
            ]
          ]
        ]
      },
      "bbox": [
        -157.8851758,
        21.28298574,
        -51.49539622,
        -157.8817768,
        21.28409731,
        -38.05539622
      ],
      "properties": {
        "datetime": "2013-09-15T12:38:52Z",
        "pc:count": 7410,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615830.5589,
            "count": 7410,
            "maximum": 615999.7585,
            "minimum": 615647.9585,
            "name": "X",
            "position": 0,
            "stddev": 97.54793396,
            "variance": 9515.599421
          },
          {
            "average": 2353960.133,
            "count": 7410,
            "maximum": 2353998.423,
            "minimum": 2353877.863,
            "name": "Y",
            "position": 1,
            "stddev": 28.22982531,
            "variance": 796.923037
          },
          {
            "average": -44.33142456,
            "count": 7410,
            "maximum": -38.05539622,
            "minimum": -51.49539622,
            "name": "Z",
            "position": 2,
            "stddev": 2.786097158,
            "variance": 7.762337375
          },
          {
            "average": 1435.641565,
            "count": 7410,
            "maximum": 4475,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1206.022832,
            "variance": 1454491.071
          },
          {
            "average": 1.01120108,
            "count": 7410,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1052478519,
            "variance": 0.01107711032
          },
          {
            "average": 1.01120108,
            "count": 7410,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1052478519,
            "variance": 0.01107711032
          },
          {
            "average": 1,
            "count": 7410,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7410,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 7410,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.568567616,
            "count": 7410,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.264158532,
            "variance": 10.65473092
          },
          {
            "average": 249.1013495,
            "count": 7410,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.3136535139,
            "variance": 0.09837852675
          },
          {
            "average": 19,
            "count": 7410,
            "maximum": 19,
            "minimum": 19,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63283927.85,
            "count": 7410,
            "maximum": 63283932.1,
            "minimum": 63283924.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2.258301018,
            "variance": 5.099923486
          },
          {
            "average": 0,
            "count": 7410,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7410,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7410,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7410,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7410,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615647.9585,
          2353877.863,
          -51.49539622,
          615999.7585,
          2353998.423,
          -38.05539622
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615647.9584853271,
                2353877.8625182076,
                -51.495396217295905
              ],
              [
                615647.9584853271,
                2353998.422518207,
                -51.495396217295905
              ],
              [
                615999.7584853271,
                2353998.422518207,
                -38.05539621729591
              ],
              [
                615999.7584853271,
                2353877.8625182076,
                -38.05539621729591
              ],
              [
                615647.9584853271,
                2353877.8625182076,
                -51.495396217295905
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T12:38:52+00:00",
        "end_time": "2013-09-15T12:38:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1553.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1553.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1553.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1553.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8851758,
            21.28298574,
            -51.49539622,
            -157.8817768,
            21.28409731,
            -38.05539622
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88517581100012,
                  21.283008217233235,
                  -51.495396217295905
                ],
                [
                  -157.88516760305748,
                  21.284097311652832,
                  -51.495396217295905
                ],
                [
                  -157.881776777829,
                  21.28407483163259,
                  -38.05539621729591
                ],
                [
                  -157.88178501078457,
                  21.282985738438835,
                  -38.05539621729591
                ],
                [
                  -157.88517581100012,
                  21.283008217233235,
                  -51.495396217295905
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1553.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1553.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T12:38:52Z",
            "pc:count": 7410,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615830.5589,
                "count": 7410,
                "maximum": 615999.7585,
                "minimum": 615647.9585,
                "name": "X",
                "position": 0,
                "stddev": 97.54793396,
                "variance": 9515.599421
              },
              {
                "average": 2353960.133,
                "count": 7410,
                "maximum": 2353998.423,
                "minimum": 2353877.863,
                "name": "Y",
                "position": 1,
                "stddev": 28.22982531,
                "variance": 796.923037
              },
              {
                "average": -44.33142456,
                "count": 7410,
                "maximum": -38.05539622,
                "minimum": -51.49539622,
                "name": "Z",
                "position": 2,
                "stddev": 2.786097158,
                "variance": 7.762337375
              },
              {
                "average": 1435.641565,
                "count": 7410,
                "maximum": 4475,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1206.022832,
                "variance": 1454491.071
              },
              {
                "average": 1.01120108,
                "count": 7410,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1052478519,
                "variance": 0.01107711032
              },
              {
                "average": 1.01120108,
                "count": 7410,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1052478519,
                "variance": 0.01107711032
              },
              {
                "average": 1,
                "count": 7410,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7410,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 7410,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.568567616,
                "count": 7410,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.264158532,
                "variance": 10.65473092
              },
              {
                "average": 249.1013495,
                "count": 7410,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.3136535139,
                "variance": 0.09837852675
              },
              {
                "average": 19,
                "count": 7410,
                "maximum": 19,
                "minimum": 19,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63283927.85,
                "count": 7410,
                "maximum": 63283932.1,
                "minimum": 63283924.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2.258301018,
                "variance": 5.099923486
              },
              {
                "average": 0,
                "count": 7410,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7410,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7410,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7410,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7410,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615647.9585,
              2353877.863,
              -51.49539622,
              615999.7585,
              2353998.423,
              -38.05539622
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615647.9584853271,
                    2353877.8625182076,
                    -51.495396217295905
                  ],
                  [
                    615647.9584853271,
                    2353998.422518207,
                    -51.495396217295905
                  ],
                  [
                    615999.7584853271,
                    2353998.422518207,
                    -38.05539621729591
                  ],
                  [
                    615999.7584853271,
                    2353877.8625182076,
                    -38.05539621729591
                  ],
                  [
                    615647.9584853271,
                    2353877.8625182076,
                    -51.495396217295905
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T12:38:52+00:00",
            "end_time": "2013-09-15T12:38:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1387.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90304452668374,
              21.58570893163164,
              4.825542154738784
            ],
            [
              -157.9030018859044,
              21.591369592862176,
              4.825542154738784
            ],
            [
              -157.89875126581876,
              21.59134152666059,
              184.04554215473877
            ],
            [
              -157.89879407171043,
              21.5856808735606,
              184.04554215473877
            ],
            [
              -157.90304452668374,
              21.58570893163164,
              4.825542154738784
            ]
          ]
        ]
      },
      "bbox": [
        -157.9030445,
        21.58568087,
        4.825542155,
        -157.8987513,
        21.59136959,
        184.0455422
      ],
      "properties": {
        "datetime": "2013-09-22T02:26:39Z",
        "pc:count": 882693,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613862.2031,
            "count": 882693,
            "maximum": 613999.7868,
            "minimum": 613559.7068,
            "name": "X",
            "position": 0,
            "stddev": 103.3375396,
            "variance": 10678.6471
          },
          {
            "average": 2387781.195,
            "count": 882693,
            "maximum": 2387998.489,
            "minimum": 2387371.849,
            "name": "Y",
            "position": 1,
            "stddev": 154.1484894,
            "variance": 23761.75679
          },
          {
            "average": 70.12408767,
            "count": 882693,
            "maximum": 184.0455422,
            "minimum": 4.825542155,
            "name": "Z",
            "position": 2,
            "stddev": 45.8140065,
            "variance": 2098.923192
          },
          {
            "average": 12.42209919,
            "count": 882693,
            "maximum": 762,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.01144731,
            "variance": 361.4351287
          },
          {
            "average": 1.493546454,
            "count": 882693,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.820670061,
            "variance": 0.673499349
          },
          {
            "average": 1.986968289,
            "count": 882693,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.157626661,
            "variance": 1.340099487
          },
          {
            "average": 1,
            "count": 882693,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 882693,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.108985797,
            "count": 882693,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3116215701,
            "variance": 0.09710800297
          },
          {
            "average": 20.71353561,
            "count": 882693,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.746445449,
            "variance": 7.542962605
          },
          {
            "average": 91.45970909,
            "count": 882693,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.13076602,
            "variance": 4506.539747
          },
          {
            "average": 13.76720785,
            "count": 882693,
            "maximum": 14,
            "minimum": 12,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4379738418,
            "variance": 0.1918210861
          },
          {
            "average": 63851892.74,
            "count": 882693,
            "maximum": 63851999.62,
            "minimum": 63851107.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 189.8088942,
            "variance": 36027.41631
          },
          {
            "average": 0,
            "count": 882693,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 882693,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 882693,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 882693,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 882693,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613559.7068,
          2387371.849,
          4.825542155,
          613999.7868,
          2387998.489,
          184.0455422
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613559.7067786879,
                2387371.8488459387,
                4.825542154738784
              ],
              [
                613559.7067786879,
                2387998.4888459384,
                4.825542154738784
              ],
              [
                613999.786778688,
                2387998.4888459384,
                184.04554215473877
              ],
              [
                613999.786778688,
                2387371.8488459387,
                184.04554215473877
              ],
              [
                613559.7067786879,
                2387371.8488459387,
                4.825542154738784
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:26:39+00:00",
        "end_time": "2013-09-22T02:11:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1387.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1387.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1387.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1387.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9030445,
            21.58568087,
            4.825542155,
            -157.8987513,
            21.59136959,
            184.0455422
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90304452668374,
                  21.58570893163164,
                  4.825542154738784
                ],
                [
                  -157.9030018859044,
                  21.591369592862176,
                  4.825542154738784
                ],
                [
                  -157.89875126581876,
                  21.59134152666059,
                  184.04554215473877
                ],
                [
                  -157.89879407171043,
                  21.5856808735606,
                  184.04554215473877
                ],
                [
                  -157.90304452668374,
                  21.58570893163164,
                  4.825542154738784
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1387.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1387.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:26:39Z",
            "pc:count": 882693,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613862.2031,
                "count": 882693,
                "maximum": 613999.7868,
                "minimum": 613559.7068,
                "name": "X",
                "position": 0,
                "stddev": 103.3375396,
                "variance": 10678.6471
              },
              {
                "average": 2387781.195,
                "count": 882693,
                "maximum": 2387998.489,
                "minimum": 2387371.849,
                "name": "Y",
                "position": 1,
                "stddev": 154.1484894,
                "variance": 23761.75679
              },
              {
                "average": 70.12408767,
                "count": 882693,
                "maximum": 184.0455422,
                "minimum": 4.825542155,
                "name": "Z",
                "position": 2,
                "stddev": 45.8140065,
                "variance": 2098.923192
              },
              {
                "average": 12.42209919,
                "count": 882693,
                "maximum": 762,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.01144731,
                "variance": 361.4351287
              },
              {
                "average": 1.493546454,
                "count": 882693,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.820670061,
                "variance": 0.673499349
              },
              {
                "average": 1.986968289,
                "count": 882693,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.157626661,
                "variance": 1.340099487
              },
              {
                "average": 1,
                "count": 882693,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 882693,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.108985797,
                "count": 882693,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3116215701,
                "variance": 0.09710800297
              },
              {
                "average": 20.71353561,
                "count": 882693,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.746445449,
                "variance": 7.542962605
              },
              {
                "average": 91.45970909,
                "count": 882693,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.13076602,
                "variance": 4506.539747
              },
              {
                "average": 13.76720785,
                "count": 882693,
                "maximum": 14,
                "minimum": 12,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4379738418,
                "variance": 0.1918210861
              },
              {
                "average": 63851892.74,
                "count": 882693,
                "maximum": 63851999.62,
                "minimum": 63851107.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 189.8088942,
                "variance": 36027.41631
              },
              {
                "average": 0,
                "count": 882693,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 882693,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 882693,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 882693,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 882693,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613559.7068,
              2387371.849,
              4.825542155,
              613999.7868,
              2387998.489,
              184.0455422
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613559.7067786879,
                    2387371.8488459387,
                    4.825542154738784
                  ],
                  [
                    613559.7067786879,
                    2387998.4888459384,
                    4.825542154738784
                  ],
                  [
                    613999.786778688,
                    2387998.4888459384,
                    184.04554215473877
                  ],
                  [
                    613999.786778688,
                    2387371.8488459387,
                    184.04554215473877
                  ],
                  [
                    613559.7067786879,
                    2387371.8488459387,
                    4.825542154738784
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:26:39+00:00",
            "end_time": "2013-09-22T02:11:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130908_ncmp_hi_oahu_4qej8472.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.18933147855176,
              21.448459263265566,
              -0.145016589577983
            ],
            [
              -158.1893196077236,
              21.450607429607746,
              -0.145016589577983
            ],
            [
              -158.18765744897897,
              21.450599367463095,
              21.83498341042202
            ],
            [
              -158.18766934420196,
              21.448451201965426,
              21.83498341042202
            ],
            [
              -158.18933147855176,
              21.448459263265566,
              -0.145016589577983
            ]
          ]
        ]
      },
      "bbox": [
        -158.1893315,
        21.4484512,
        -0.1450165896,
        -158.1876574,
        21.45060743,
        21.83498341
      ],
      "properties": {
        "datetime": "2013-09-10T22:55:51Z",
        "pc:count": 166382,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584064.3166,
            "count": 166382,
            "maximum": 584171.8848,
            "minimum": 583999.6448,
            "name": "X",
            "position": 0,
            "stddev": 43.40925152,
            "variance": 1884.363118
          },
          {
            "average": 2372092.799,
            "count": 166382,
            "maximum": 2372236.229,
            "minimum": 2371998.449,
            "name": "Y",
            "position": 1,
            "stddev": 60.81594872,
            "variance": 3698.579619
          },
          {
            "average": 5.375320045,
            "count": 166382,
            "maximum": 21.83498341,
            "minimum": -0.1450165896,
            "name": "Z",
            "position": 2,
            "stddev": 3.101922261,
            "variance": 9.621921714
          },
          {
            "average": 33.24729238,
            "count": 166382,
            "maximum": 766,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 59.82761051,
            "variance": 3579.342979
          },
          {
            "average": 1.291822433,
            "count": 166382,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6980058763,
            "variance": 0.4872122033
          },
          {
            "average": 1.586331454,
            "count": 166382,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.0812921,
            "variance": 1.169192606
          },
          {
            "average": 1,
            "count": 166382,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 166382,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.829260377,
            "count": 166382,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.098118064,
            "variance": 16.79457167
          },
          {
            "average": 20.60764638,
            "count": 166382,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.237953321,
            "variance": 5.008435069
          },
          {
            "average": 91.36720919,
            "count": 166382,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.9697523,
            "variance": 4221.068713
          },
          {
            "average": 1.000168287,
            "count": 166382,
            "maximum": 2,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.01297151208,
            "variance": 0.0001682601256
          },
          {
            "average": 62803176.3,
            "count": 166382,
            "maximum": 62888951.82,
            "minimum": 62715491.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86722.44219,
            "variance": 7520781979
          },
          {
            "average": 0,
            "count": 166382,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 166382,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 166382,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 166382,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 166382,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583999.6448,
          2371998.449,
          -0.1450165896,
          584171.8848,
          2372236.229,
          21.83498341
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583999.6447678949,
                2371998.4488815777,
                -0.145016589577983
              ],
              [
                583999.6447678949,
                2372236.228881578,
                -0.145016589577983
              ],
              [
                584171.8847678949,
                2372236.228881578,
                21.83498341042202
              ],
              [
                584171.8847678949,
                2371998.4488815777,
                21.83498341042202
              ],
              [
                583999.6447678949,
                2371998.4488815777,
                -0.145016589577983
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T22:55:51+00:00",
        "end_time": "2013-09-08T22:44:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130908_ncmp_hi_oahu_4qej8472.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130908_ncmp_hi_oahu_4qej8472.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130908_ncmp_hi_oahu_4qej8472.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8472.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1893315,
            21.4484512,
            -0.1450165896,
            -158.1876574,
            21.45060743,
            21.83498341
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.18933147855176,
                  21.448459263265566,
                  -0.145016589577983
                ],
                [
                  -158.1893196077236,
                  21.450607429607746,
                  -0.145016589577983
                ],
                [
                  -158.18765744897897,
                  21.450599367463095,
                  21.83498341042202
                ],
                [
                  -158.18766934420196,
                  21.448451201965426,
                  21.83498341042202
                ],
                [
                  -158.18933147855176,
                  21.448459263265566,
                  -0.145016589577983
                ]
              ]
            ]
          },
          "id": "20130908_ncmp_hi_oahu_4qej8472.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130908_ncmp_hi_oahu_4qej8472.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T22:55:51Z",
            "pc:count": 166382,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584064.3166,
                "count": 166382,
                "maximum": 584171.8848,
                "minimum": 583999.6448,
                "name": "X",
                "position": 0,
                "stddev": 43.40925152,
                "variance": 1884.363118
              },
              {
                "average": 2372092.799,
                "count": 166382,
                "maximum": 2372236.229,
                "minimum": 2371998.449,
                "name": "Y",
                "position": 1,
                "stddev": 60.81594872,
                "variance": 3698.579619
              },
              {
                "average": 5.375320045,
                "count": 166382,
                "maximum": 21.83498341,
                "minimum": -0.1450165896,
                "name": "Z",
                "position": 2,
                "stddev": 3.101922261,
                "variance": 9.621921714
              },
              {
                "average": 33.24729238,
                "count": 166382,
                "maximum": 766,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 59.82761051,
                "variance": 3579.342979
              },
              {
                "average": 1.291822433,
                "count": 166382,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6980058763,
                "variance": 0.4872122033
              },
              {
                "average": 1.586331454,
                "count": 166382,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.0812921,
                "variance": 1.169192606
              },
              {
                "average": 1,
                "count": 166382,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 166382,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.829260377,
                "count": 166382,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.098118064,
                "variance": 16.79457167
              },
              {
                "average": 20.60764638,
                "count": 166382,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.237953321,
                "variance": 5.008435069
              },
              {
                "average": 91.36720919,
                "count": 166382,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.9697523,
                "variance": 4221.068713
              },
              {
                "average": 1.000168287,
                "count": 166382,
                "maximum": 2,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.01297151208,
                "variance": 0.0001682601256
              },
              {
                "average": 62803176.3,
                "count": 166382,
                "maximum": 62888951.82,
                "minimum": 62715491.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86722.44219,
                "variance": 7520781979
              },
              {
                "average": 0,
                "count": 166382,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 166382,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 166382,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 166382,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 166382,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583999.6448,
              2371998.449,
              -0.1450165896,
              584171.8848,
              2372236.229,
              21.83498341
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583999.6447678949,
                    2371998.4488815777,
                    -0.145016589577983
                  ],
                  [
                    583999.6447678949,
                    2372236.228881578,
                    -0.145016589577983
                  ],
                  [
                    584171.8847678949,
                    2372236.228881578,
                    21.83498341042202
                  ],
                  [
                    584171.8847678949,
                    2371998.4488815777,
                    21.83498341042202
                  ],
                  [
                    583999.6447678949,
                    2371998.4488815777,
                    -0.145016589577983
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T22:55:51+00:00",
            "end_time": "2013-09-08T22:44:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0897.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.95556953277557,
              21.673012525858034,
              0.459765920663344
            ],
            [
              -157.9555044543301,
              21.68204611787028,
              0.459765920663344
            ],
            [
              -157.94639081368337,
              21.681988488477,
              35.07976592066334
            ],
            [
              -157.94645646170704,
              21.672954922360738,
              35.07976592066334
            ],
            [
              -157.95556953277557,
              21.673012525858034,
              0.459765920663344
            ]
          ]
        ]
      },
      "bbox": [
        -157.9555695,
        21.67295492,
        0.4597659207,
        -157.9463908,
        21.68204612,
        35.07976592
      ],
      "properties": {
        "datetime": "2013-09-22T01:53:38Z",
        "pc:count": 3464298,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608669.772,
            "count": 3464298,
            "maximum": 608999.7443,
            "minimum": 608056.7843,
            "name": "X",
            "position": 0,
            "stddev": 216.7046912,
            "variance": 46960.9232
          },
          {
            "average": 2397591.952,
            "count": 3464298,
            "maximum": 2397998.505,
            "minimum": 2396998.485,
            "name": "Y",
            "position": 1,
            "stddev": 274.5948147,
            "variance": 75402.31224
          },
          {
            "average": 6.781249439,
            "count": 3464298,
            "maximum": 35.07976592,
            "minimum": 0.4597659207,
            "name": "Z",
            "position": 2,
            "stddev": 4.308375121,
            "variance": 18.56209619
          },
          {
            "average": 24.63658785,
            "count": 3464298,
            "maximum": 955,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.50596425,
            "variance": 1260.673498
          },
          {
            "average": 1.254334067,
            "count": 3464298,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6130279309,
            "variance": 0.3758032441
          },
          {
            "average": 1.508774649,
            "count": 3464298,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9108952621,
            "variance": 0.8297301785
          },
          {
            "average": 1,
            "count": 3464298,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3464298,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.232637031,
            "count": 3464298,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4225128331,
            "variance": 0.1785170941
          },
          {
            "average": 20.14333873,
            "count": 3464298,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.650988875,
            "variance": 7.027742015
          },
          {
            "average": 92.41944429,
            "count": 3464298,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.88135786,
            "variance": 4209.590598
          },
          {
            "average": 9.081098681,
            "count": 3464298,
            "maximum": 10,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8884645139,
            "variance": 0.7893691925
          },
          {
            "average": 63849343.34,
            "count": 3464298,
            "maximum": 63850018.47,
            "minimum": 63847808.59,
            "name": "GpsTime",
            "position": 12,
            "stddev": 646.2565428,
            "variance": 417647.5191
          },
          {
            "average": 0,
            "count": 3464298,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3464298,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3464298,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3464298,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3464298,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608056.7843,
          2396998.485,
          0.4597659207,
          608999.7443,
          2397998.505,
          35.07976592
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608056.7842649166,
                2396998.4848948508,
                0.459765920663344
              ],
              [
                608056.7842649166,
                2397998.5048948503,
                0.459765920663344
              ],
              [
                608999.7442649165,
                2397998.5048948503,
                35.07976592066334
              ],
              [
                608999.7442649165,
                2396998.4848948508,
                35.07976592066334
              ],
              [
                608056.7842649166,
                2396998.4848948508,
                0.459765920663344
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:53:38+00:00",
        "end_time": "2013-09-22T01:16:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0897.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0897.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0897.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0897.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9555695,
            21.67295492,
            0.4597659207,
            -157.9463908,
            21.68204612,
            35.07976592
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.95556953277557,
                  21.673012525858034,
                  0.459765920663344
                ],
                [
                  -157.9555044543301,
                  21.68204611787028,
                  0.459765920663344
                ],
                [
                  -157.94639081368337,
                  21.681988488477,
                  35.07976592066334
                ],
                [
                  -157.94645646170704,
                  21.672954922360738,
                  35.07976592066334
                ],
                [
                  -157.95556953277557,
                  21.673012525858034,
                  0.459765920663344
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0897.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0897.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:53:38Z",
            "pc:count": 3464298,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608669.772,
                "count": 3464298,
                "maximum": 608999.7443,
                "minimum": 608056.7843,
                "name": "X",
                "position": 0,
                "stddev": 216.7046912,
                "variance": 46960.9232
              },
              {
                "average": 2397591.952,
                "count": 3464298,
                "maximum": 2397998.505,
                "minimum": 2396998.485,
                "name": "Y",
                "position": 1,
                "stddev": 274.5948147,
                "variance": 75402.31224
              },
              {
                "average": 6.781249439,
                "count": 3464298,
                "maximum": 35.07976592,
                "minimum": 0.4597659207,
                "name": "Z",
                "position": 2,
                "stddev": 4.308375121,
                "variance": 18.56209619
              },
              {
                "average": 24.63658785,
                "count": 3464298,
                "maximum": 955,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.50596425,
                "variance": 1260.673498
              },
              {
                "average": 1.254334067,
                "count": 3464298,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6130279309,
                "variance": 0.3758032441
              },
              {
                "average": 1.508774649,
                "count": 3464298,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9108952621,
                "variance": 0.8297301785
              },
              {
                "average": 1,
                "count": 3464298,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3464298,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.232637031,
                "count": 3464298,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4225128331,
                "variance": 0.1785170941
              },
              {
                "average": 20.14333873,
                "count": 3464298,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.650988875,
                "variance": 7.027742015
              },
              {
                "average": 92.41944429,
                "count": 3464298,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.88135786,
                "variance": 4209.590598
              },
              {
                "average": 9.081098681,
                "count": 3464298,
                "maximum": 10,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8884645139,
                "variance": 0.7893691925
              },
              {
                "average": 63849343.34,
                "count": 3464298,
                "maximum": 63850018.47,
                "minimum": 63847808.59,
                "name": "GpsTime",
                "position": 12,
                "stddev": 646.2565428,
                "variance": 417647.5191
              },
              {
                "average": 0,
                "count": 3464298,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3464298,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3464298,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3464298,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3464298,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608056.7843,
              2396998.485,
              0.4597659207,
              608999.7443,
              2397998.505,
              35.07976592
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608056.7842649166,
                    2396998.4848948508,
                    0.459765920663344
                  ],
                  [
                    608056.7842649166,
                    2397998.5048948503,
                    0.459765920663344
                  ],
                  [
                    608999.7442649165,
                    2397998.5048948503,
                    35.07976592066334
                  ],
                  [
                    608999.7442649165,
                    2396998.4848948508,
                    35.07976592066334
                  ],
                  [
                    608056.7842649166,
                    2396998.4848948508,
                    0.459765920663344
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:53:38+00:00",
            "end_time": "2013-09-22T01:16:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1554.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89141523869674,
              21.28413863022698,
              -42.574945560707555
            ],
            [
              -157.89134751757396,
              21.293172453516497,
              -42.574945560707555
            ],
            [
              -157.88170841315917,
              21.293108702933598,
              -5.414945560707551
            ],
            [
              -157.8817767239343,
              21.28407490864292,
              -5.414945560707551
            ],
            [
              -157.89141523869674,
              21.28413863022698,
              -42.574945560707555
            ]
          ]
        ]
      },
      "bbox": [
        -157.8914152,
        21.28407491,
        -42.57494556,
        -157.8817084,
        21.29317245,
        -5.414945561
      ],
      "properties": {
        "datetime": "2013-09-17T12:49:11Z",
        "pc:count": 1430199,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615541.5641,
            "count": 1430199,
            "maximum": 615999.764,
            "minimum": 614999.764,
            "name": "X",
            "position": 0,
            "stddev": 282.4461033,
            "variance": 79775.80126
          },
          {
            "average": 2354704.683,
            "count": 1430199,
            "maximum": 2354998.451,
            "minimum": 2353998.431,
            "name": "Y",
            "position": 1,
            "stddev": 233.3279466,
            "variance": 54441.93068
          },
          {
            "average": -12.39918939,
            "count": 1430199,
            "maximum": -5.414945561,
            "minimum": -42.57494556,
            "name": "Z",
            "position": 2,
            "stddev": 5.78191893,
            "variance": 33.43058651
          },
          {
            "average": 102.5328007,
            "count": 1430199,
            "maximum": 2861,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 220.2257734,
            "variance": 48499.39129
          },
          {
            "average": 1.017636007,
            "count": 1430199,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.13183144,
            "variance": 0.01737952856
          },
          {
            "average": 1.02088101,
            "count": 1430199,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.143323055,
            "variance": 0.02054149811
          },
          {
            "average": 1,
            "count": 1430199,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1430199,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1430199,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.7683431,
            "count": 1430199,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.244209007,
            "variance": 67.96698215
          },
          {
            "average": 158.9397566,
            "count": 1430199,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 91.06479441,
            "variance": 8292.796782
          },
          {
            "average": 14.3430138,
            "count": 1430199,
            "maximum": 19,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.162730448,
            "variance": 26.65378568
          },
          {
            "average": 63329266.74,
            "count": 1430199,
            "maximum": 63457351.25,
            "minimum": 63282028.59,
            "name": "GpsTime",
            "position": 12,
            "stddev": 76702.69949,
            "variance": 5883304109
          },
          {
            "average": 0,
            "count": 1430199,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1430199,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1430199,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1430199,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1430199,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.764,
          2353998.431,
          -42.57494556,
          615999.764,
          2354998.451,
          -5.414945561
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.7640162583,
                2353998.4310822496,
                -42.574945560707555
              ],
              [
                614999.7640162583,
                2354998.451082249,
                -42.574945560707555
              ],
              [
                615999.7640162583,
                2354998.451082249,
                -5.414945560707551
              ],
              [
                615999.7640162583,
                2353998.4310822496,
                -5.414945560707551
              ],
              [
                614999.7640162583,
                2353998.4310822496,
                -42.574945560707555
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:49:11+00:00",
        "end_time": "2013-09-15T12:07:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1554.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1554.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1554.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1554.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8914152,
            21.28407491,
            -42.57494556,
            -157.8817084,
            21.29317245,
            -5.414945561
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89141523869674,
                  21.28413863022698,
                  -42.574945560707555
                ],
                [
                  -157.89134751757396,
                  21.293172453516497,
                  -42.574945560707555
                ],
                [
                  -157.88170841315917,
                  21.293108702933598,
                  -5.414945560707551
                ],
                [
                  -157.8817767239343,
                  21.28407490864292,
                  -5.414945560707551
                ],
                [
                  -157.89141523869674,
                  21.28413863022698,
                  -42.574945560707555
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1554.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1554.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:49:11Z",
            "pc:count": 1430199,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615541.5641,
                "count": 1430199,
                "maximum": 615999.764,
                "minimum": 614999.764,
                "name": "X",
                "position": 0,
                "stddev": 282.4461033,
                "variance": 79775.80126
              },
              {
                "average": 2354704.683,
                "count": 1430199,
                "maximum": 2354998.451,
                "minimum": 2353998.431,
                "name": "Y",
                "position": 1,
                "stddev": 233.3279466,
                "variance": 54441.93068
              },
              {
                "average": -12.39918939,
                "count": 1430199,
                "maximum": -5.414945561,
                "minimum": -42.57494556,
                "name": "Z",
                "position": 2,
                "stddev": 5.78191893,
                "variance": 33.43058651
              },
              {
                "average": 102.5328007,
                "count": 1430199,
                "maximum": 2861,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 220.2257734,
                "variance": 48499.39129
              },
              {
                "average": 1.017636007,
                "count": 1430199,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.13183144,
                "variance": 0.01737952856
              },
              {
                "average": 1.02088101,
                "count": 1430199,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.143323055,
                "variance": 0.02054149811
              },
              {
                "average": 1,
                "count": 1430199,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1430199,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1430199,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.7683431,
                "count": 1430199,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.244209007,
                "variance": 67.96698215
              },
              {
                "average": 158.9397566,
                "count": 1430199,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 91.06479441,
                "variance": 8292.796782
              },
              {
                "average": 14.3430138,
                "count": 1430199,
                "maximum": 19,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.162730448,
                "variance": 26.65378568
              },
              {
                "average": 63329266.74,
                "count": 1430199,
                "maximum": 63457351.25,
                "minimum": 63282028.59,
                "name": "GpsTime",
                "position": 12,
                "stddev": 76702.69949,
                "variance": 5883304109
              },
              {
                "average": 0,
                "count": 1430199,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1430199,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1430199,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1430199,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1430199,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.764,
              2353998.431,
              -42.57494556,
              615999.764,
              2354998.451,
              -5.414945561
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.7640162583,
                    2353998.4310822496,
                    -42.574945560707555
                  ],
                  [
                    614999.7640162583,
                    2354998.451082249,
                    -42.574945560707555
                  ],
                  [
                    615999.7640162583,
                    2354998.451082249,
                    -5.414945560707551
                  ],
                  [
                    615999.7640162583,
                    2353998.4310822496,
                    -5.414945560707551
                  ],
                  [
                    614999.7640162583,
                    2353998.4310822496,
                    -42.574945560707555
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:49:11+00:00",
            "end_time": "2013-09-15T12:07:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8485.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.18863590774487,
              21.57400696244008,
              3.091236230776978
            ],
            [
              -158.18863072642057,
              21.57493801856471,
              3.091236230776978
            ],
            [
              -158.17912618703227,
              21.574891456816605,
              11.391236230776979
            ],
            [
              -158.17913142959046,
              21.573960402768137,
              11.391236230776979
            ],
            [
              -158.18863590774487,
              21.57400696244008,
              3.091236230776978
            ]
          ]
        ]
      },
      "bbox": [
        -158.1886359,
        21.5739604,
        3.091236231,
        -158.1791262,
        21.57493802,
        11.39123623
      ],
      "properties": {
        "datetime": "2013-09-11T20:42:17Z",
        "pc:count": 432382,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584433.7885,
            "count": 432382,
            "maximum": 584983.6639,
            "minimum": 583999.6039,
            "name": "X",
            "position": 0,
            "stddev": 237.0155056,
            "variance": 56176.34991
          },
          {
            "average": 2385964.846,
            "count": 432382,
            "maximum": 2385998.472,
            "minimum": 2385895.412,
            "name": "Y",
            "position": 1,
            "stddev": 28.64871411,
            "variance": 820.7488202
          },
          {
            "average": 5.540035834,
            "count": 432382,
            "maximum": 11.39123623,
            "minimum": 3.091236231,
            "name": "Z",
            "position": 2,
            "stddev": 0.8436939886,
            "variance": 0.7118195463
          },
          {
            "average": 14.15156505,
            "count": 432382,
            "maximum": 214,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 12.22074344,
            "variance": 149.3465701
          },
          {
            "average": 1.048279068,
            "count": 432382,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2703791982,
            "variance": 0.07310491084
          },
          {
            "average": 1.09595219,
            "count": 432382,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4174014526,
            "variance": 0.1742239727
          },
          {
            "average": 1,
            "count": 432382,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 432382,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.3578803,
            "count": 432382,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4793772235,
            "variance": 0.2298025224
          },
          {
            "average": 23.06727879,
            "count": 432382,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.753478602,
            "variance": 7.581644412
          },
          {
            "average": 92.72997257,
            "count": 432382,
            "maximum": 191,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 62.54305768,
            "variance": 3911.634063
          },
          {
            "average": 2.034011592,
            "count": 432382,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.751249122,
            "variance": 3.066873488
          },
          {
            "average": 62892444.12,
            "count": 432382,
            "maximum": 62967337.73,
            "minimum": 62866327.11,
            "name": "GpsTime",
            "position": 12,
            "stddev": 44217.10593,
            "variance": 1955152457
          },
          {
            "average": 0,
            "count": 432382,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 432382,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 432382,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 432382,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 432382,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583999.6039,
          2385895.412,
          3.091236231,
          584983.6639,
          2385998.472,
          11.39123623
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583999.6038600209,
                2385895.4124055537,
                3.091236230776978
              ],
              [
                583999.6038600209,
                2385998.4724055533,
                3.091236230776978
              ],
              [
                584983.6638600209,
                2385998.4724055533,
                11.391236230776979
              ],
              [
                584983.6638600209,
                2385895.4124055537,
                11.391236230776979
              ],
              [
                583999.6038600209,
                2385895.4124055537,
                3.091236230776978
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T20:42:17+00:00",
        "end_time": "2013-09-10T16:38:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8485.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8485.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8485.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8485.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1886359,
            21.5739604,
            3.091236231,
            -158.1791262,
            21.57493802,
            11.39123623
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.18863590774487,
                  21.57400696244008,
                  3.091236230776978
                ],
                [
                  -158.18863072642057,
                  21.57493801856471,
                  3.091236230776978
                ],
                [
                  -158.17912618703227,
                  21.574891456816605,
                  11.391236230776979
                ],
                [
                  -158.17913142959046,
                  21.573960402768137,
                  11.391236230776979
                ],
                [
                  -158.18863590774487,
                  21.57400696244008,
                  3.091236230776978
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8485.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8485.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T20:42:17Z",
            "pc:count": 432382,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584433.7885,
                "count": 432382,
                "maximum": 584983.6639,
                "minimum": 583999.6039,
                "name": "X",
                "position": 0,
                "stddev": 237.0155056,
                "variance": 56176.34991
              },
              {
                "average": 2385964.846,
                "count": 432382,
                "maximum": 2385998.472,
                "minimum": 2385895.412,
                "name": "Y",
                "position": 1,
                "stddev": 28.64871411,
                "variance": 820.7488202
              },
              {
                "average": 5.540035834,
                "count": 432382,
                "maximum": 11.39123623,
                "minimum": 3.091236231,
                "name": "Z",
                "position": 2,
                "stddev": 0.8436939886,
                "variance": 0.7118195463
              },
              {
                "average": 14.15156505,
                "count": 432382,
                "maximum": 214,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 12.22074344,
                "variance": 149.3465701
              },
              {
                "average": 1.048279068,
                "count": 432382,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2703791982,
                "variance": 0.07310491084
              },
              {
                "average": 1.09595219,
                "count": 432382,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4174014526,
                "variance": 0.1742239727
              },
              {
                "average": 1,
                "count": 432382,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 432382,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.3578803,
                "count": 432382,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4793772235,
                "variance": 0.2298025224
              },
              {
                "average": 23.06727879,
                "count": 432382,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.753478602,
                "variance": 7.581644412
              },
              {
                "average": 92.72997257,
                "count": 432382,
                "maximum": 191,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 62.54305768,
                "variance": 3911.634063
              },
              {
                "average": 2.034011592,
                "count": 432382,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.751249122,
                "variance": 3.066873488
              },
              {
                "average": 62892444.12,
                "count": 432382,
                "maximum": 62967337.73,
                "minimum": 62866327.11,
                "name": "GpsTime",
                "position": 12,
                "stddev": 44217.10593,
                "variance": 1955152457
              },
              {
                "average": 0,
                "count": 432382,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 432382,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 432382,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 432382,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 432382,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583999.6039,
              2385895.412,
              3.091236231,
              584983.6639,
              2385998.472,
              11.39123623
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583999.6038600209,
                    2385895.4124055537,
                    3.091236230776978
                  ],
                  [
                    583999.6038600209,
                    2385998.4724055533,
                    3.091236230776978
                  ],
                  [
                    584983.6638600209,
                    2385998.4724055533,
                    11.391236230776979
                  ],
                  [
                    584983.6638600209,
                    2385895.4124055537,
                    11.391236230776979
                  ],
                  [
                    583999.6038600209,
                    2385895.4124055537,
                    3.091236230776978
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T20:42:17+00:00",
            "end_time": "2013-09-10T16:38:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9956.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.04551998426277,
              21.303151447955162,
              -4.759771907318358
            ],
            [
              -158.04546162136435,
              21.31218568172197,
              -4.759771907318358
            ],
            [
              -158.03582082420357,
              21.312130689703363,
              26.940228092681643
            ],
            [
              -158.03587977671802,
              21.303096481110277,
              26.940228092681643
            ],
            [
              -158.04551998426277,
              21.303151447955162,
              -4.759771907318358
            ]
          ]
        ]
      },
      "bbox": [
        -158.04552,
        21.30309648,
        -4.759771907,
        -158.0358208,
        21.31218568,
        26.94022809
      ],
      "properties": {
        "datetime": "2013-09-16T10:55:07Z",
        "pc:count": 3547236,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 599444.7669,
            "count": 3547236,
            "maximum": 599999.695,
            "minimum": 598999.695,
            "name": "X",
            "position": 0,
            "stddev": 298.656972,
            "variance": 89195.98694
          },
          {
            "average": 2356425.434,
            "count": 3547236,
            "maximum": 2356998.458,
            "minimum": 2355998.438,
            "name": "Y",
            "position": 1,
            "stddev": 262.2110968,
            "variance": 68754.65931
          },
          {
            "average": 4.745140419,
            "count": 3547236,
            "maximum": 26.94022809,
            "minimum": -4.759771907,
            "name": "Z",
            "position": 2,
            "stddev": 3.508148407,
            "variance": 12.30710524
          },
          {
            "average": 45.06640269,
            "count": 3547236,
            "maximum": 8203,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 70.4263611,
            "variance": 4959.872338
          },
          {
            "average": 1.325329355,
            "count": 3547236,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7717103882,
            "variance": 0.5955369232
          },
          {
            "average": 1.619117251,
            "count": 3547236,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.16754862,
            "variance": 1.36316978
          },
          {
            "average": 1,
            "count": 3547236,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3547236,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.037808874,
            "count": 3547236,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.196271391,
            "variance": 67.17886472
          },
          {
            "average": 0,
            "count": 3547236,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.77175779,
            "count": 3547236,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.97618209,
            "variance": 4221.904239
          },
          {
            "average": 4.017252306,
            "count": 3547236,
            "maximum": 8,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.644530335,
            "variance": 2.704480023
          },
          {
            "average": 63360676.82,
            "count": 3547236,
            "maximum": 63364107.55,
            "minimum": 63359342.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1277.998045,
            "variance": 1633279.003
          },
          {
            "average": 0,
            "count": 3547236,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3547236,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3547236,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3547236,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3547236,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          598999.695,
          2355998.438,
          -4.759771907,
          599999.695,
          2356998.458,
          26.94022809
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                598999.6950318397,
                2355998.4380759327,
                -4.759771907318358
              ],
              [
                598999.6950318397,
                2356998.458075932,
                -4.759771907318358
              ],
              [
                599999.6950318397,
                2356998.458075932,
                26.940228092681643
              ],
              [
                599999.6950318397,
                2355998.4380759327,
                26.940228092681643
              ],
              [
                598999.6950318397,
                2355998.4380759327,
                -4.759771907318358
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:55:07+00:00",
        "end_time": "2013-09-16T09:35:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9956.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9956.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9956.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9956.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.04552,
            21.30309648,
            -4.759771907,
            -158.0358208,
            21.31218568,
            26.94022809
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.04551998426277,
                  21.303151447955162,
                  -4.759771907318358
                ],
                [
                  -158.04546162136435,
                  21.31218568172197,
                  -4.759771907318358
                ],
                [
                  -158.03582082420357,
                  21.312130689703363,
                  26.940228092681643
                ],
                [
                  -158.03587977671802,
                  21.303096481110277,
                  26.940228092681643
                ],
                [
                  -158.04551998426277,
                  21.303151447955162,
                  -4.759771907318358
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9956.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9956.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:55:07Z",
            "pc:count": 3547236,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 599444.7669,
                "count": 3547236,
                "maximum": 599999.695,
                "minimum": 598999.695,
                "name": "X",
                "position": 0,
                "stddev": 298.656972,
                "variance": 89195.98694
              },
              {
                "average": 2356425.434,
                "count": 3547236,
                "maximum": 2356998.458,
                "minimum": 2355998.438,
                "name": "Y",
                "position": 1,
                "stddev": 262.2110968,
                "variance": 68754.65931
              },
              {
                "average": 4.745140419,
                "count": 3547236,
                "maximum": 26.94022809,
                "minimum": -4.759771907,
                "name": "Z",
                "position": 2,
                "stddev": 3.508148407,
                "variance": 12.30710524
              },
              {
                "average": 45.06640269,
                "count": 3547236,
                "maximum": 8203,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 70.4263611,
                "variance": 4959.872338
              },
              {
                "average": 1.325329355,
                "count": 3547236,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7717103882,
                "variance": 0.5955369232
              },
              {
                "average": 1.619117251,
                "count": 3547236,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.16754862,
                "variance": 1.36316978
              },
              {
                "average": 1,
                "count": 3547236,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3547236,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.037808874,
                "count": 3547236,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.196271391,
                "variance": 67.17886472
              },
              {
                "average": 0,
                "count": 3547236,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.77175779,
                "count": 3547236,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.97618209,
                "variance": 4221.904239
              },
              {
                "average": 4.017252306,
                "count": 3547236,
                "maximum": 8,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.644530335,
                "variance": 2.704480023
              },
              {
                "average": 63360676.82,
                "count": 3547236,
                "maximum": 63364107.55,
                "minimum": 63359342.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1277.998045,
                "variance": 1633279.003
              },
              {
                "average": 0,
                "count": 3547236,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3547236,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3547236,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3547236,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3547236,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              598999.695,
              2355998.438,
              -4.759771907,
              599999.695,
              2356998.458,
              26.94022809
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    598999.6950318397,
                    2355998.4380759327,
                    -4.759771907318358
                  ],
                  [
                    598999.6950318397,
                    2356998.458075932,
                    -4.759771907318358
                  ],
                  [
                    599999.6950318397,
                    2356998.458075932,
                    26.940228092681643
                  ],
                  [
                    599999.6950318397,
                    2355998.4380759327,
                    26.940228092681643
                  ],
                  [
                    598999.6950318397,
                    2355998.4380759327,
                    -4.759771907318358
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:55:07+00:00",
            "end_time": "2013-09-16T09:35:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1094.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.93699061455098,
              21.6457931590613,
              -3.624952626371968
            ],
            [
              -157.93692446545302,
              21.6548265476666,
              -3.624952626371968
            ],
            [
              -157.92726141584205,
              21.654764407043317,
              39.93504737362804
            ],
            [
              -157.9273281660401,
              21.645731046963753,
              39.93504737362804
            ],
            [
              -157.93699061455098,
              21.6457931590613,
              -3.624952626371968
            ]
          ]
        ]
      },
      "bbox": [
        -157.9369906,
        21.64573105,
        -3.624952626,
        -157.9272614,
        21.65482655,
        39.93504737
      ],
      "properties": {
        "datetime": "2013-09-22T01:54:30Z",
        "pc:count": 3699449,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610627.2878,
            "count": 3699449,
            "maximum": 610999.7554,
            "minimum": 609999.7554,
            "name": "X",
            "position": 0,
            "stddev": 236.5942313,
            "variance": 55976.83028
          },
          {
            "average": 2394572.148,
            "count": 3699449,
            "maximum": 2394998.486,
            "minimum": 2393998.486,
            "name": "Y",
            "position": 1,
            "stddev": 277.8705419,
            "variance": 77212.03806
          },
          {
            "average": 7.560017792,
            "count": 3699449,
            "maximum": 39.93504737,
            "minimum": -3.624952626,
            "name": "Z",
            "position": 2,
            "stddev": 6.013203641,
            "variance": 36.15861803
          },
          {
            "average": 27.55347188,
            "count": 3699449,
            "maximum": 3886,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.59452162,
            "variance": 1567.726143
          },
          {
            "average": 1.281902251,
            "count": 3699449,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6534179603,
            "variance": 0.4269550308
          },
          {
            "average": 1.564417836,
            "count": 3699449,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9732927828,
            "variance": 0.9472988411
          },
          {
            "average": 1,
            "count": 3699449,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3699449,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.577334895,
            "count": 3699449,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.954909099,
            "variance": 8.731487781
          },
          {
            "average": 20.15506237,
            "count": 3699449,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.425664239,
            "variance": 5.883846999
          },
          {
            "average": 91.83930174,
            "count": 3699449,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.2058783,
            "variance": 4251.806564
          },
          {
            "average": 8.994950329,
            "count": 3699449,
            "maximum": 10,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9665847362,
            "variance": 0.9342860522
          },
          {
            "average": 63849333.83,
            "count": 3699449,
            "maximum": 63850070.35,
            "minimum": 63847438.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 700.2788296,
            "variance": 490390.4391
          },
          {
            "average": 0,
            "count": 3699449,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3699449,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3699449,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3699449,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3699449,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.7554,
          2393998.486,
          -3.624952626,
          610999.7554,
          2394998.486,
          39.93504737
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.7554103679,
                2393998.485711923,
                -3.624952626371968
              ],
              [
                609999.7554103679,
                2394998.485711923,
                -3.624952626371968
              ],
              [
                610999.7554103679,
                2394998.485711923,
                39.93504737362804
              ],
              [
                610999.7554103679,
                2393998.485711923,
                39.93504737362804
              ],
              [
                609999.7554103679,
                2393998.485711923,
                -3.624952626371968
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:54:30+00:00",
        "end_time": "2013-09-22T01:10:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1094.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1094.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1094.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1094.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9369906,
            21.64573105,
            -3.624952626,
            -157.9272614,
            21.65482655,
            39.93504737
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.93699061455098,
                  21.6457931590613,
                  -3.624952626371968
                ],
                [
                  -157.93692446545302,
                  21.6548265476666,
                  -3.624952626371968
                ],
                [
                  -157.92726141584205,
                  21.654764407043317,
                  39.93504737362804
                ],
                [
                  -157.9273281660401,
                  21.645731046963753,
                  39.93504737362804
                ],
                [
                  -157.93699061455098,
                  21.6457931590613,
                  -3.624952626371968
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1094.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1094.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:54:30Z",
            "pc:count": 3699449,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610627.2878,
                "count": 3699449,
                "maximum": 610999.7554,
                "minimum": 609999.7554,
                "name": "X",
                "position": 0,
                "stddev": 236.5942313,
                "variance": 55976.83028
              },
              {
                "average": 2394572.148,
                "count": 3699449,
                "maximum": 2394998.486,
                "minimum": 2393998.486,
                "name": "Y",
                "position": 1,
                "stddev": 277.8705419,
                "variance": 77212.03806
              },
              {
                "average": 7.560017792,
                "count": 3699449,
                "maximum": 39.93504737,
                "minimum": -3.624952626,
                "name": "Z",
                "position": 2,
                "stddev": 6.013203641,
                "variance": 36.15861803
              },
              {
                "average": 27.55347188,
                "count": 3699449,
                "maximum": 3886,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.59452162,
                "variance": 1567.726143
              },
              {
                "average": 1.281902251,
                "count": 3699449,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6534179603,
                "variance": 0.4269550308
              },
              {
                "average": 1.564417836,
                "count": 3699449,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9732927828,
                "variance": 0.9472988411
              },
              {
                "average": 1,
                "count": 3699449,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3699449,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.577334895,
                "count": 3699449,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.954909099,
                "variance": 8.731487781
              },
              {
                "average": 20.15506237,
                "count": 3699449,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.425664239,
                "variance": 5.883846999
              },
              {
                "average": 91.83930174,
                "count": 3699449,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.2058783,
                "variance": 4251.806564
              },
              {
                "average": 8.994950329,
                "count": 3699449,
                "maximum": 10,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9665847362,
                "variance": 0.9342860522
              },
              {
                "average": 63849333.83,
                "count": 3699449,
                "maximum": 63850070.35,
                "minimum": 63847438.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 700.2788296,
                "variance": 490390.4391
              },
              {
                "average": 0,
                "count": 3699449,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3699449,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3699449,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3699449,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3699449,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.7554,
              2393998.486,
              -3.624952626,
              610999.7554,
              2394998.486,
              39.93504737
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.7554103679,
                    2393998.485711923,
                    -3.624952626371968
                  ],
                  [
                    609999.7554103679,
                    2394998.485711923,
                    -3.624952626371968
                  ],
                  [
                    610999.7554103679,
                    2394998.485711923,
                    39.93504737362804
                  ],
                  [
                    610999.7554103679,
                    2393998.485711923,
                    39.93504737362804
                  ],
                  [
                    609999.7554103679,
                    2393998.485711923,
                    -3.624952626371968
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:54:30+00:00",
            "end_time": "2013-09-22T01:10:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1195.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9272613370765,
              21.654764394247067,
              -17.046774827723993
            ],
            [
              -157.92719455179588,
              21.66379774429146,
              -17.046774827723993
            ],
            [
              -157.917530950085,
              21.663735009607397,
              10.993225172276006
            ],
            [
              -157.9175983373149,
              21.654701688244515,
              10.993225172276006
            ],
            [
              -157.9272613370765,
              21.654764394247067,
              -17.046774827723993
            ]
          ]
        ]
      },
      "bbox": [
        -157.9272613,
        21.65470169,
        -17.04677483,
        -157.917531,
        21.66379774,
        10.99322517
      ],
      "properties": {
        "datetime": "2013-09-22T01:17:46Z",
        "pc:count": 3614011,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611512.2152,
            "count": 3614011,
            "maximum": 611999.7636,
            "minimum": 610999.7636,
            "name": "X",
            "position": 0,
            "stddev": 299.6968322,
            "variance": 89818.19121
          },
          {
            "average": 2395469.103,
            "count": 3614011,
            "maximum": 2395998.484,
            "minimum": 2394998.484,
            "name": "Y",
            "position": 1,
            "stddev": 293.485147,
            "variance": 86133.53153
          },
          {
            "average": -3.711026909,
            "count": 3614011,
            "maximum": 10.99322517,
            "minimum": -17.04677483,
            "name": "Z",
            "position": 2,
            "stddev": 3.279199889,
            "variance": 10.75315191
          },
          {
            "average": 9.558921652,
            "count": 3614011,
            "maximum": 4831,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.83691316,
            "variance": 774.893734
          },
          {
            "average": 1.014742899,
            "count": 3614011,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1310796677,
            "variance": 0.01718187929
          },
          {
            "average": 1.022517364,
            "count": 3614011,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.173086249,
            "variance": 0.02995884958
          },
          {
            "average": 1,
            "count": 3614011,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3614011,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 27.2481874,
            "count": 3614011,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.736018788,
            "variance": 45.37394911
          },
          {
            "average": 20.0011029,
            "count": 3614011,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.71248487,
            "variance": 7.357574173
          },
          {
            "average": 94.72197871,
            "count": 3614011,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.35030612,
            "variance": 4809.464959
          },
          {
            "average": 3.214804548,
            "count": 3614011,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.561563039,
            "variance": 2.438479124
          },
          {
            "average": 63845051.94,
            "count": 3614011,
            "maximum": 63847866.41,
            "minimum": 63832115.33,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3150.845765,
            "variance": 9927829.036
          },
          {
            "average": 0,
            "count": 3614011,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3614011,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3614011,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3614011,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3614011,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7636,
          2394998.484,
          -17.04677483,
          611999.7636,
          2395998.484,
          10.99322517
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7635709957,
                2394998.484351758,
                -17.046774827723993
              ],
              [
                610999.7635709957,
                2395998.484351758,
                -17.046774827723993
              ],
              [
                611999.7635709957,
                2395998.484351758,
                10.993225172276006
              ],
              [
                611999.7635709957,
                2394998.484351758,
                10.993225172276006
              ],
              [
                610999.7635709957,
                2394998.484351758,
                -17.046774827723993
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:17:46+00:00",
        "end_time": "2013-09-21T20:55:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1195.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1195.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1195.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1195.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9272613,
            21.65470169,
            -17.04677483,
            -157.917531,
            21.66379774,
            10.99322517
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9272613370765,
                  21.654764394247067,
                  -17.046774827723993
                ],
                [
                  -157.92719455179588,
                  21.66379774429146,
                  -17.046774827723993
                ],
                [
                  -157.917530950085,
                  21.663735009607397,
                  10.993225172276006
                ],
                [
                  -157.9175983373149,
                  21.654701688244515,
                  10.993225172276006
                ],
                [
                  -157.9272613370765,
                  21.654764394247067,
                  -17.046774827723993
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1195.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1195.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:17:46Z",
            "pc:count": 3614011,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611512.2152,
                "count": 3614011,
                "maximum": 611999.7636,
                "minimum": 610999.7636,
                "name": "X",
                "position": 0,
                "stddev": 299.6968322,
                "variance": 89818.19121
              },
              {
                "average": 2395469.103,
                "count": 3614011,
                "maximum": 2395998.484,
                "minimum": 2394998.484,
                "name": "Y",
                "position": 1,
                "stddev": 293.485147,
                "variance": 86133.53153
              },
              {
                "average": -3.711026909,
                "count": 3614011,
                "maximum": 10.99322517,
                "minimum": -17.04677483,
                "name": "Z",
                "position": 2,
                "stddev": 3.279199889,
                "variance": 10.75315191
              },
              {
                "average": 9.558921652,
                "count": 3614011,
                "maximum": 4831,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.83691316,
                "variance": 774.893734
              },
              {
                "average": 1.014742899,
                "count": 3614011,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1310796677,
                "variance": 0.01718187929
              },
              {
                "average": 1.022517364,
                "count": 3614011,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.173086249,
                "variance": 0.02995884958
              },
              {
                "average": 1,
                "count": 3614011,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3614011,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 27.2481874,
                "count": 3614011,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.736018788,
                "variance": 45.37394911
              },
              {
                "average": 20.0011029,
                "count": 3614011,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.71248487,
                "variance": 7.357574173
              },
              {
                "average": 94.72197871,
                "count": 3614011,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.35030612,
                "variance": 4809.464959
              },
              {
                "average": 3.214804548,
                "count": 3614011,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.561563039,
                "variance": 2.438479124
              },
              {
                "average": 63845051.94,
                "count": 3614011,
                "maximum": 63847866.41,
                "minimum": 63832115.33,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3150.845765,
                "variance": 9927829.036
              },
              {
                "average": 0,
                "count": 3614011,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3614011,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3614011,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3614011,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3614011,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7636,
              2394998.484,
              -17.04677483,
              611999.7636,
              2395998.484,
              10.99322517
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7635709957,
                    2394998.484351758,
                    -17.046774827723993
                  ],
                  [
                    610999.7635709957,
                    2395998.484351758,
                    -17.046774827723993
                  ],
                  [
                    611999.7635709957,
                    2395998.484351758,
                    10.993225172276006
                  ],
                  [
                    611999.7635709957,
                    2394998.484351758,
                    10.993225172276006
                  ],
                  [
                    610999.7635709957,
                    2394998.484351758,
                    -17.046774827723993
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:17:46+00:00",
            "end_time": "2013-09-21T20:55:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qej9957.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.04464192668863,
              21.312181099848758,
              5.181944586999013
            ],
            [
              -158.04464111454607,
              21.31230667309049,
              5.181944586999013
            ],
            [
              -158.04347592561646,
              21.31230005024251,
              10.861944586999012
            ],
            [
              -158.04347673875012,
              21.31217447704249,
              10.861944586999012
            ],
            [
              -158.04464192668863,
              21.312181099848758,
              5.181944586999013
            ]
          ]
        ]
      },
      "bbox": [
        -158.0446419,
        21.31217448,
        5.181944587,
        -158.0434759,
        21.31230667,
        10.86194459
      ],
      "properties": {
        "datetime": "2013-09-16T09:35:42Z",
        "pc:count": 1890,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 599149.6553,
            "count": 1890,
            "maximum": 599205.5784,
            "minimum": 599084.7184,
            "name": "X",
            "position": 0,
            "stddev": 29.1046441,
            "variance": 847.0803082
          },
          {
            "average": 2357004.003,
            "count": 1890,
            "maximum": 2357012.366,
            "minimum": 2356998.466,
            "name": "Y",
            "position": 1,
            "stddev": 3.636098897,
            "variance": 13.22121519
          },
          {
            "average": 7.426902259,
            "count": 1890,
            "maximum": 10.86194459,
            "minimum": 5.181944587,
            "name": "Z",
            "position": 2,
            "stddev": 1.070917203,
            "variance": 1.146863656
          },
          {
            "average": 37.46719577,
            "count": 1890,
            "maximum": 392,
            "minimum": 1,
            "name": "Intensity",
            "position": 3,
            "stddev": 37.55731435,
            "variance": 1410.551861
          },
          {
            "average": 1,
            "count": 1890,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 1890,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 1890,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1890,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.814814815,
            "count": 1890,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3885505263,
            "variance": 0.1509715115
          },
          {
            "average": 0,
            "count": 1890,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 93.79365079,
            "count": 1890,
            "maximum": 187,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 61.64322768,
            "variance": 3799.887519
          },
          {
            "average": 2,
            "count": 1890,
            "maximum": 2,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63359342.5,
            "count": 1890,
            "maximum": 63359342.7,
            "minimum": 63359342.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.0780814427,
            "variance": 0.006096711695
          },
          {
            "average": 0,
            "count": 1890,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1890,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1890,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1890,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1890,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          599084.7184,
          2356998.466,
          5.181944587,
          599205.5784,
          2357012.366,
          10.86194459
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                599084.7184082147,
                2356998.4660873455,
                5.181944586999013
              ],
              [
                599084.7184082147,
                2357012.366087346,
                5.181944586999013
              ],
              [
                599205.5784082148,
                2357012.366087346,
                10.861944586999012
              ],
              [
                599205.5784082148,
                2356998.4660873455,
                10.861944586999012
              ],
              [
                599084.7184082147,
                2356998.4660873455,
                5.181944586999013
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:35:42+00:00",
        "end_time": "2013-09-16T09:35:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qej9957.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qej9957.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qej9957.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9957.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0446419,
            21.31217448,
            5.181944587,
            -158.0434759,
            21.31230667,
            10.86194459
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.04464192668863,
                  21.312181099848758,
                  5.181944586999013
                ],
                [
                  -158.04464111454607,
                  21.31230667309049,
                  5.181944586999013
                ],
                [
                  -158.04347592561646,
                  21.31230005024251,
                  10.861944586999012
                ],
                [
                  -158.04347673875012,
                  21.31217447704249,
                  10.861944586999012
                ],
                [
                  -158.04464192668863,
                  21.312181099848758,
                  5.181944586999013
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qej9957.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qej9957.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:35:42Z",
            "pc:count": 1890,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 599149.6553,
                "count": 1890,
                "maximum": 599205.5784,
                "minimum": 599084.7184,
                "name": "X",
                "position": 0,
                "stddev": 29.1046441,
                "variance": 847.0803082
              },
              {
                "average": 2357004.003,
                "count": 1890,
                "maximum": 2357012.366,
                "minimum": 2356998.466,
                "name": "Y",
                "position": 1,
                "stddev": 3.636098897,
                "variance": 13.22121519
              },
              {
                "average": 7.426902259,
                "count": 1890,
                "maximum": 10.86194459,
                "minimum": 5.181944587,
                "name": "Z",
                "position": 2,
                "stddev": 1.070917203,
                "variance": 1.146863656
              },
              {
                "average": 37.46719577,
                "count": 1890,
                "maximum": 392,
                "minimum": 1,
                "name": "Intensity",
                "position": 3,
                "stddev": 37.55731435,
                "variance": 1410.551861
              },
              {
                "average": 1,
                "count": 1890,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 1890,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 1890,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1890,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.814814815,
                "count": 1890,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3885505263,
                "variance": 0.1509715115
              },
              {
                "average": 0,
                "count": 1890,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 93.79365079,
                "count": 1890,
                "maximum": 187,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 61.64322768,
                "variance": 3799.887519
              },
              {
                "average": 2,
                "count": 1890,
                "maximum": 2,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63359342.5,
                "count": 1890,
                "maximum": 63359342.7,
                "minimum": 63359342.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.0780814427,
                "variance": 0.006096711695
              },
              {
                "average": 0,
                "count": 1890,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1890,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1890,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1890,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1890,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              599084.7184,
              2356998.466,
              5.181944587,
              599205.5784,
              2357012.366,
              10.86194459
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    599084.7184082147,
                    2356998.4660873455,
                    5.181944586999013
                  ],
                  [
                    599084.7184082147,
                    2357012.366087346,
                    5.181944586999013
                  ],
                  [
                    599205.5784082148,
                    2357012.366087346,
                    10.861944586999012
                  ],
                  [
                    599205.5784082148,
                    2356998.4660873455,
                    10.861944586999012
                  ],
                  [
                    599084.7184082147,
                    2356998.4660873455,
                    5.181944586999013
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:35:42+00:00",
            "end_time": "2013-09-16T09:35:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1388.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90841018470783,
              21.5914051439546,
              0.128015585349953
            ],
            [
              -157.90834244569652,
              21.600438506354358,
              0.128015585349953
            ],
            [
              -157.89868289991065,
              21.60037485717025,
              42.12801558534996
            ],
            [
              -157.8987512378201,
              21.591341524201464,
              42.12801558534996
            ],
            [
              -157.90841018470783,
              21.5914051439546,
              0.128015585349953
            ]
          ]
        ]
      },
      "bbox": [
        -157.9084102,
        21.59134152,
        0.1280155853,
        -157.8986829,
        21.60043851,
        42.12801559
      ],
      "properties": {
        "datetime": "2013-09-22T02:26:31Z",
        "pc:count": 4655201,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613598.6654,
            "count": 4655201,
            "maximum": 613999.7897,
            "minimum": 612999.7697,
            "name": "X",
            "position": 0,
            "stddev": 246.8741342,
            "variance": 60946.83813
          },
          {
            "average": 2388583.182,
            "count": 4655201,
            "maximum": 2388998.489,
            "minimum": 2387998.489,
            "name": "Y",
            "position": 1,
            "stddev": 274.3384844,
            "variance": 75261.60404
          },
          {
            "average": 11.90426428,
            "count": 4655201,
            "maximum": 42.12801559,
            "minimum": 0.1280155853,
            "name": "Z",
            "position": 2,
            "stddev": 7.137845359,
            "variance": 50.94883637
          },
          {
            "average": 13.83380804,
            "count": 4655201,
            "maximum": 896,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.55231141,
            "variance": 344.1882586
          },
          {
            "average": 1.384724956,
            "count": 4655201,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7271781782,
            "variance": 0.5287881028
          },
          {
            "average": 1.76965334,
            "count": 4655201,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.041780669,
            "variance": 1.085306963
          },
          {
            "average": 1,
            "count": 4655201,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4655201,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.118025623,
            "count": 4655201,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3226384942,
            "variance": 0.104095598
          },
          {
            "average": 20.14156776,
            "count": 4655201,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.107566748,
            "variance": 4.441837598
          },
          {
            "average": 91.81972766,
            "count": 4655201,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.23803832,
            "variance": 4387.477721
          },
          {
            "average": 12.76393114,
            "count": 4655201,
            "maximum": 14,
            "minimum": 10,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.112909974,
            "variance": 1.238568611
          },
          {
            "average": 63851435.26,
            "count": 4655201,
            "maximum": 63851991.96,
            "minimum": 63850150.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 499.760912,
            "variance": 249760.9692
          },
          {
            "average": 0,
            "count": 4655201,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4655201,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4655201,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4655201,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4655201,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7697,
          2387998.489,
          0.1280155853,
          613999.7897,
          2388998.489,
          42.12801559
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.769679256,
                2387998.4885942284,
                0.128015585349953
              ],
              [
                612999.769679256,
                2388998.4885942284,
                0.128015585349953
              ],
              [
                613999.789679256,
                2388998.4885942284,
                42.12801558534996
              ],
              [
                613999.789679256,
                2387998.4885942284,
                42.12801558534996
              ],
              [
                612999.769679256,
                2387998.4885942284,
                0.128015585349953
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:26:31+00:00",
        "end_time": "2013-09-22T01:55:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1388.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1388.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1388.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1388.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9084102,
            21.59134152,
            0.1280155853,
            -157.8986829,
            21.60043851,
            42.12801559
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90841018470783,
                  21.5914051439546,
                  0.128015585349953
                ],
                [
                  -157.90834244569652,
                  21.600438506354358,
                  0.128015585349953
                ],
                [
                  -157.89868289991065,
                  21.60037485717025,
                  42.12801558534996
                ],
                [
                  -157.8987512378201,
                  21.591341524201464,
                  42.12801558534996
                ],
                [
                  -157.90841018470783,
                  21.5914051439546,
                  0.128015585349953
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1388.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1388.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:26:31Z",
            "pc:count": 4655201,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613598.6654,
                "count": 4655201,
                "maximum": 613999.7897,
                "minimum": 612999.7697,
                "name": "X",
                "position": 0,
                "stddev": 246.8741342,
                "variance": 60946.83813
              },
              {
                "average": 2388583.182,
                "count": 4655201,
                "maximum": 2388998.489,
                "minimum": 2387998.489,
                "name": "Y",
                "position": 1,
                "stddev": 274.3384844,
                "variance": 75261.60404
              },
              {
                "average": 11.90426428,
                "count": 4655201,
                "maximum": 42.12801559,
                "minimum": 0.1280155853,
                "name": "Z",
                "position": 2,
                "stddev": 7.137845359,
                "variance": 50.94883637
              },
              {
                "average": 13.83380804,
                "count": 4655201,
                "maximum": 896,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.55231141,
                "variance": 344.1882586
              },
              {
                "average": 1.384724956,
                "count": 4655201,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7271781782,
                "variance": 0.5287881028
              },
              {
                "average": 1.76965334,
                "count": 4655201,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.041780669,
                "variance": 1.085306963
              },
              {
                "average": 1,
                "count": 4655201,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4655201,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.118025623,
                "count": 4655201,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3226384942,
                "variance": 0.104095598
              },
              {
                "average": 20.14156776,
                "count": 4655201,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.107566748,
                "variance": 4.441837598
              },
              {
                "average": 91.81972766,
                "count": 4655201,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.23803832,
                "variance": 4387.477721
              },
              {
                "average": 12.76393114,
                "count": 4655201,
                "maximum": 14,
                "minimum": 10,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.112909974,
                "variance": 1.238568611
              },
              {
                "average": 63851435.26,
                "count": 4655201,
                "maximum": 63851991.96,
                "minimum": 63850150.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 499.760912,
                "variance": 249760.9692
              },
              {
                "average": 0,
                "count": 4655201,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4655201,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4655201,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4655201,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4655201,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7697,
              2387998.489,
              0.1280155853,
              613999.7897,
              2388998.489,
              42.12801559
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.769679256,
                    2387998.4885942284,
                    0.128015585349953
                  ],
                  [
                    612999.769679256,
                    2388998.4885942284,
                    0.128015585349953
                  ],
                  [
                    613999.789679256,
                    2388998.4885942284,
                    42.12801558534996
                  ],
                  [
                    613999.789679256,
                    2387998.4885942284,
                    42.12801558534996
                  ],
                  [
                    612999.769679256,
                    2387998.4885942284,
                    0.128015585349953
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:26:31+00:00",
            "end_time": "2013-09-22T01:55:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9996.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0431370055596,
              21.66824615397305,
              -3.105958652944842
            ],
            [
              -158.04310207893352,
              21.67354042066953,
              -3.105958652944842
            ],
            [
              -158.0370813986167,
              21.673505596286553,
              84.49404134705517
            ],
            [
              -158.03711654523153,
              21.668211338838017,
              84.49404134705517
            ],
            [
              -158.0431370055596,
              21.66824615397305,
              -3.105958652944842
            ]
          ]
        ]
      },
      "bbox": [
        -158.043137,
        21.66821134,
        -3.105958653,
        -158.0370814,
        21.67354042,
        84.49404135
      ],
      "properties": {
        "datetime": "2013-09-09T21:58:45Z",
        "pc:count": 1418622,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 599209.6878,
            "count": 1418622,
            "maximum": 599622.617,
            "minimum": 598999.657,
            "name": "X",
            "position": 0,
            "stddev": 148.4941897,
            "variance": 22050.52437
          },
          {
            "average": 2396787.73,
            "count": 1418622,
            "maximum": 2396998.495,
            "minimum": 2396412.435,
            "name": "Y",
            "position": 1,
            "stddev": 147.0171359,
            "variance": 21614.03824
          },
          {
            "average": 15.02741324,
            "count": 1418622,
            "maximum": 84.49404135,
            "minimum": -3.105958653,
            "name": "Z",
            "position": 2,
            "stddev": 12.96510667,
            "variance": 168.0939911
          },
          {
            "average": 13.36597346,
            "count": 1418622,
            "maximum": 729,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.89481826,
            "variance": 524.1727034
          },
          {
            "average": 1.650451635,
            "count": 1418622,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9395666392,
            "variance": 0.8827854696
          },
          {
            "average": 2.206787291,
            "count": 1418622,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.288713614,
            "variance": 1.66078278
          },
          {
            "average": 1,
            "count": 1418622,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1418622,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.025228708,
            "count": 1418622,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.694097936,
            "variance": 22.03455543
          },
          {
            "average": 20.45031935,
            "count": 1418622,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.272335977,
            "variance": 5.163510791
          },
          {
            "average": 92.03506854,
            "count": 1418622,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.08331331,
            "variance": 4235.837671
          },
          {
            "average": 8.703748426,
            "count": 1418622,
            "maximum": 9,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4955479862,
            "variance": 0.2455678066
          },
          {
            "average": 62799024.17,
            "count": 1418622,
            "maximum": 62799125.04,
            "minimum": 62798379.88,
            "name": "GpsTime",
            "position": 12,
            "stddev": 160.3070595,
            "variance": 25698.35331
          },
          {
            "average": 0,
            "count": 1418622,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1418622,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1418622,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1418622,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1418622,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          598999.657,
          2396412.435,
          -3.105958653,
          599622.617,
          2396998.495,
          84.49404135
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                598999.6569658406,
                2396412.4352058093,
                -3.105958652944842
              ],
              [
                598999.6569658406,
                2396998.495205809,
                -3.105958652944842
              ],
              [
                599622.6169658406,
                2396998.495205809,
                84.49404134705517
              ],
              [
                599622.6169658406,
                2396412.4352058093,
                84.49404134705517
              ],
              [
                598999.6569658406,
                2396412.4352058093,
                -3.105958652944842
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:58:45+00:00",
        "end_time": "2013-09-09T21:46:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9996.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9996.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9996.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9996.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.043137,
            21.66821134,
            -3.105958653,
            -158.0370814,
            21.67354042,
            84.49404135
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0431370055596,
                  21.66824615397305,
                  -3.105958652944842
                ],
                [
                  -158.04310207893352,
                  21.67354042066953,
                  -3.105958652944842
                ],
                [
                  -158.0370813986167,
                  21.673505596286553,
                  84.49404134705517
                ],
                [
                  -158.03711654523153,
                  21.668211338838017,
                  84.49404134705517
                ],
                [
                  -158.0431370055596,
                  21.66824615397305,
                  -3.105958652944842
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9996.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9996.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:58:45Z",
            "pc:count": 1418622,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 599209.6878,
                "count": 1418622,
                "maximum": 599622.617,
                "minimum": 598999.657,
                "name": "X",
                "position": 0,
                "stddev": 148.4941897,
                "variance": 22050.52437
              },
              {
                "average": 2396787.73,
                "count": 1418622,
                "maximum": 2396998.495,
                "minimum": 2396412.435,
                "name": "Y",
                "position": 1,
                "stddev": 147.0171359,
                "variance": 21614.03824
              },
              {
                "average": 15.02741324,
                "count": 1418622,
                "maximum": 84.49404135,
                "minimum": -3.105958653,
                "name": "Z",
                "position": 2,
                "stddev": 12.96510667,
                "variance": 168.0939911
              },
              {
                "average": 13.36597346,
                "count": 1418622,
                "maximum": 729,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.89481826,
                "variance": 524.1727034
              },
              {
                "average": 1.650451635,
                "count": 1418622,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9395666392,
                "variance": 0.8827854696
              },
              {
                "average": 2.206787291,
                "count": 1418622,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.288713614,
                "variance": 1.66078278
              },
              {
                "average": 1,
                "count": 1418622,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1418622,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.025228708,
                "count": 1418622,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.694097936,
                "variance": 22.03455543
              },
              {
                "average": 20.45031935,
                "count": 1418622,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.272335977,
                "variance": 5.163510791
              },
              {
                "average": 92.03506854,
                "count": 1418622,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.08331331,
                "variance": 4235.837671
              },
              {
                "average": 8.703748426,
                "count": 1418622,
                "maximum": 9,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4955479862,
                "variance": 0.2455678066
              },
              {
                "average": 62799024.17,
                "count": 1418622,
                "maximum": 62799125.04,
                "minimum": 62798379.88,
                "name": "GpsTime",
                "position": 12,
                "stddev": 160.3070595,
                "variance": 25698.35331
              },
              {
                "average": 0,
                "count": 1418622,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1418622,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1418622,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1418622,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1418622,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              598999.657,
              2396412.435,
              -3.105958653,
              599622.617,
              2396998.495,
              84.49404135
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    598999.6569658406,
                    2396412.4352058093,
                    -3.105958652944842
                  ],
                  [
                    598999.6569658406,
                    2396998.495205809,
                    -3.105958652944842
                  ],
                  [
                    599622.6169658406,
                    2396998.495205809,
                    84.49404134705517
                  ],
                  [
                    599622.6169658406,
                    2396412.4352058093,
                    84.49404134705517
                  ],
                  [
                    598999.6569658406,
                    2396412.4352058093,
                    -3.105958652944842
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:58:45+00:00",
            "end_time": "2013-09-09T21:46:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0898.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.95605588168965,
              21.682049398048818,
              -5.827483217949059
            ],
            [
              -157.95599080010996,
              21.691082982566275,
              -5.827483217949059
            ],
            [
              -157.94632507439565,
              21.69102185423629,
              43.67251678205094
            ],
            [
              -157.94639075926693,
              21.681988297465708,
              43.67251678205094
            ],
            [
              -157.95605588168965,
              21.682049398048818,
              -5.827483217949059
            ]
          ]
        ]
      },
      "bbox": [
        -157.9560559,
        21.6819883,
        -5.827483218,
        -157.9463251,
        21.69108298,
        43.67251678
      ],
      "properties": {
        "datetime": "2013-09-22T01:53:21Z",
        "pc:count": 4596546,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608507.2322,
            "count": 4596546,
            "maximum": 608999.75,
            "minimum": 607999.73,
            "name": "X",
            "position": 0,
            "stddev": 288.8547797,
            "variance": 83437.08378
          },
          {
            "average": 2398477.044,
            "count": 4596546,
            "maximum": 2398998.504,
            "minimum": 2397998.484,
            "name": "Y",
            "position": 1,
            "stddev": 289.7853537,
            "variance": 83975.5512
          },
          {
            "average": 2.958636958,
            "count": 4596546,
            "maximum": 43.67251678,
            "minimum": -5.827483218,
            "name": "Z",
            "position": 2,
            "stddev": 2.208802123,
            "variance": 4.87880682
          },
          {
            "average": 30.04566973,
            "count": 4596546,
            "maximum": 3389,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 34.61498405,
            "variance": 1198.197121
          },
          {
            "average": 1.08429982,
            "count": 4596546,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3521101568,
            "variance": 0.1239815625
          },
          {
            "average": 1.168290712,
            "count": 4596546,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5355538916,
            "variance": 0.2868179709
          },
          {
            "average": 1,
            "count": 4596546,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4596546,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.961028781,
            "count": 4596546,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.214171489,
            "variance": 17.75924134
          },
          {
            "average": 20.07768557,
            "count": 4596546,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.839374371,
            "variance": 8.062046819
          },
          {
            "average": 92.50908008,
            "count": 4596546,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.36851395,
            "variance": 4015.56856
          },
          {
            "average": 7.511400734,
            "count": 4596546,
            "maximum": 10,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.469512194,
            "variance": 2.159466089
          },
          {
            "average": 63848301.07,
            "count": 4596546,
            "maximum": 63850001.2,
            "minimum": 63846501.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 920.9167618,
            "variance": 848087.6822
          },
          {
            "average": 0,
            "count": 4596546,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4596546,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4596546,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4596546,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4596546,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          607999.73,
          2397998.484,
          -5.827483218,
          608999.75,
          2398998.504,
          43.67251678
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                607999.7300386247,
                2397998.4837890323,
                -5.827483217949059
              ],
              [
                607999.7300386247,
                2398998.503789032,
                -5.827483217949059
              ],
              [
                608999.7500386247,
                2398998.503789032,
                43.67251678205094
              ],
              [
                608999.7500386247,
                2397998.4837890323,
                43.67251678205094
              ],
              [
                607999.7300386247,
                2397998.4837890323,
                -5.827483217949059
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:53:21+00:00",
        "end_time": "2013-09-22T00:55:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0898.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0898.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0898.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0898.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9560559,
            21.6819883,
            -5.827483218,
            -157.9463251,
            21.69108298,
            43.67251678
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.95605588168965,
                  21.682049398048818,
                  -5.827483217949059
                ],
                [
                  -157.95599080010996,
                  21.691082982566275,
                  -5.827483217949059
                ],
                [
                  -157.94632507439565,
                  21.69102185423629,
                  43.67251678205094
                ],
                [
                  -157.94639075926693,
                  21.681988297465708,
                  43.67251678205094
                ],
                [
                  -157.95605588168965,
                  21.682049398048818,
                  -5.827483217949059
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0898.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0898.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:53:21Z",
            "pc:count": 4596546,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608507.2322,
                "count": 4596546,
                "maximum": 608999.75,
                "minimum": 607999.73,
                "name": "X",
                "position": 0,
                "stddev": 288.8547797,
                "variance": 83437.08378
              },
              {
                "average": 2398477.044,
                "count": 4596546,
                "maximum": 2398998.504,
                "minimum": 2397998.484,
                "name": "Y",
                "position": 1,
                "stddev": 289.7853537,
                "variance": 83975.5512
              },
              {
                "average": 2.958636958,
                "count": 4596546,
                "maximum": 43.67251678,
                "minimum": -5.827483218,
                "name": "Z",
                "position": 2,
                "stddev": 2.208802123,
                "variance": 4.87880682
              },
              {
                "average": 30.04566973,
                "count": 4596546,
                "maximum": 3389,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 34.61498405,
                "variance": 1198.197121
              },
              {
                "average": 1.08429982,
                "count": 4596546,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3521101568,
                "variance": 0.1239815625
              },
              {
                "average": 1.168290712,
                "count": 4596546,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5355538916,
                "variance": 0.2868179709
              },
              {
                "average": 1,
                "count": 4596546,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4596546,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.961028781,
                "count": 4596546,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.214171489,
                "variance": 17.75924134
              },
              {
                "average": 20.07768557,
                "count": 4596546,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.839374371,
                "variance": 8.062046819
              },
              {
                "average": 92.50908008,
                "count": 4596546,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.36851395,
                "variance": 4015.56856
              },
              {
                "average": 7.511400734,
                "count": 4596546,
                "maximum": 10,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.469512194,
                "variance": 2.159466089
              },
              {
                "average": 63848301.07,
                "count": 4596546,
                "maximum": 63850001.2,
                "minimum": 63846501.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 920.9167618,
                "variance": 848087.6822
              },
              {
                "average": 0,
                "count": 4596546,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4596546,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4596546,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4596546,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4596546,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              607999.73,
              2397998.484,
              -5.827483218,
              608999.75,
              2398998.504,
              43.67251678
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    607999.7300386247,
                    2397998.4837890323,
                    -5.827483217949059
                  ],
                  [
                    607999.7300386247,
                    2398998.503789032,
                    -5.827483217949059
                  ],
                  [
                    608999.7500386247,
                    2398998.503789032,
                    43.67251678205094
                  ],
                  [
                    608999.7500386247,
                    2397998.4837890323,
                    43.67251678205094
                  ],
                  [
                    607999.7300386247,
                    2397998.4837890323,
                    -5.827483217949059
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:53:21+00:00",
            "end_time": "2013-09-22T00:55:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8486.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.18863072176558,
              21.57493794248955,
              -4.019167518190109
            ],
            [
              -158.1885804441366,
              21.58397205375472,
              -4.019167518190109
            ],
            [
              -158.17892133873733,
              21.583924713940615,
              47.02083248180989
            ],
            [
              -158.17897222611526,
              21.574890622069795,
              47.02083248180989
            ],
            [
              -158.18863072176558,
              21.57493794248955,
              -4.019167518190109
            ]
          ]
        ]
      },
      "bbox": [
        -158.1886307,
        21.57489062,
        -4.019167518,
        -158.1789213,
        21.58397205,
        47.02083248
      ],
      "properties": {
        "datetime": "2013-11-04T20:22:45Z",
        "pc:count": 6892162,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584482.8568,
            "count": 6892162,
            "maximum": 584999.6044,
            "minimum": 583999.6044,
            "name": "X",
            "position": 0,
            "stddev": 296.6571479,
            "variance": 88005.46338
          },
          {
            "average": 2386472.308,
            "count": 6892162,
            "maximum": 2386998.464,
            "minimum": 2385998.464,
            "name": "Y",
            "position": 1,
            "stddev": 268.1970032,
            "variance": 71929.63254
          },
          {
            "average": 5.361717223,
            "count": 6892162,
            "maximum": 47.02083248,
            "minimum": -4.019167518,
            "name": "Z",
            "position": 2,
            "stddev": 7.260065758,
            "variance": 52.7085548
          },
          {
            "average": 13.04420398,
            "count": 6892162,
            "maximum": 6228,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.99593377,
            "variance": 575.8048377
          },
          {
            "average": 1.383201091,
            "count": 6892162,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8485382096,
            "variance": 0.7200170932
          },
          {
            "average": 1.760116637,
            "count": 6892162,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.331852763,
            "variance": 1.773831783
          },
          {
            "average": 1,
            "count": 6892162,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6892162,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.846264786,
            "count": 6892162,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.15837193,
            "variance": 124.5092642
          },
          {
            "average": 18.30393009,
            "count": 6892162,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.254735505,
            "variance": 39.12171623
          },
          {
            "average": 90.95803886,
            "count": 6892162,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.41494969,
            "variance": 4410.945542
          },
          {
            "average": 3.540262693,
            "count": 6892162,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.044142964,
            "variance": 4.178520456
          },
          {
            "average": 63129061.47,
            "count": 6892162,
            "maximum": 67631765.5,
            "minimum": 62866325.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1056572.628,
            "variance": 1116345718000.0
          },
          {
            "average": 0,
            "count": 6892162,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6892162,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6892162,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6892162,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6892162,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583999.6044,
          2385998.464,
          -4.019167518,
          584999.6044,
          2386998.464,
          47.02083248
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583999.6043857983,
                2385998.4639874175,
                -4.019167518190109
              ],
              [
                583999.6043857983,
                2386998.4639874175,
                -4.019167518190109
              ],
              [
                584999.6043857983,
                2386998.4639874175,
                47.02083248180989
              ],
              [
                584999.6043857983,
                2385998.4639874175,
                47.02083248180989
              ],
              [
                583999.6043857983,
                2385998.4639874175,
                -4.019167518190109
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-11-04T20:22:45+00:00",
        "end_time": "2013-09-10T16:38:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8486.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8486.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8486.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8486.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1886307,
            21.57489062,
            -4.019167518,
            -158.1789213,
            21.58397205,
            47.02083248
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.18863072176558,
                  21.57493794248955,
                  -4.019167518190109
                ],
                [
                  -158.1885804441366,
                  21.58397205375472,
                  -4.019167518190109
                ],
                [
                  -158.17892133873733,
                  21.583924713940615,
                  47.02083248180989
                ],
                [
                  -158.17897222611526,
                  21.574890622069795,
                  47.02083248180989
                ],
                [
                  -158.18863072176558,
                  21.57493794248955,
                  -4.019167518190109
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8486.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8486.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-11-04T20:22:45Z",
            "pc:count": 6892162,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584482.8568,
                "count": 6892162,
                "maximum": 584999.6044,
                "minimum": 583999.6044,
                "name": "X",
                "position": 0,
                "stddev": 296.6571479,
                "variance": 88005.46338
              },
              {
                "average": 2386472.308,
                "count": 6892162,
                "maximum": 2386998.464,
                "minimum": 2385998.464,
                "name": "Y",
                "position": 1,
                "stddev": 268.1970032,
                "variance": 71929.63254
              },
              {
                "average": 5.361717223,
                "count": 6892162,
                "maximum": 47.02083248,
                "minimum": -4.019167518,
                "name": "Z",
                "position": 2,
                "stddev": 7.260065758,
                "variance": 52.7085548
              },
              {
                "average": 13.04420398,
                "count": 6892162,
                "maximum": 6228,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.99593377,
                "variance": 575.8048377
              },
              {
                "average": 1.383201091,
                "count": 6892162,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8485382096,
                "variance": 0.7200170932
              },
              {
                "average": 1.760116637,
                "count": 6892162,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.331852763,
                "variance": 1.773831783
              },
              {
                "average": 1,
                "count": 6892162,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6892162,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.846264786,
                "count": 6892162,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.15837193,
                "variance": 124.5092642
              },
              {
                "average": 18.30393009,
                "count": 6892162,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.254735505,
                "variance": 39.12171623
              },
              {
                "average": 90.95803886,
                "count": 6892162,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.41494969,
                "variance": 4410.945542
              },
              {
                "average": 3.540262693,
                "count": 6892162,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.044142964,
                "variance": 4.178520456
              },
              {
                "average": 63129061.47,
                "count": 6892162,
                "maximum": 67631765.5,
                "minimum": 62866325.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1056572.628,
                "variance": 1116345718000.0
              },
              {
                "average": 0,
                "count": 6892162,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6892162,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6892162,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6892162,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6892162,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583999.6044,
              2385998.464,
              -4.019167518,
              584999.6044,
              2386998.464,
              47.02083248
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583999.6043857983,
                    2385998.4639874175,
                    -4.019167518190109
                  ],
                  [
                    583999.6043857983,
                    2386998.4639874175,
                    -4.019167518190109
                  ],
                  [
                    584999.6043857983,
                    2386998.4639874175,
                    47.02083248180989
                  ],
                  [
                    584999.6043857983,
                    2385998.4639874175,
                    47.02083248180989
                  ],
                  [
                    583999.6043857983,
                    2385998.4639874175,
                    -4.019167518190109
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-11-04T20:22:45+00:00",
            "end_time": "2013-09-10T16:38:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej9490.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.09182123227575,
              21.610575076177877,
              -10.21180517450663
            ],
            [
              -158.0917648279132,
              21.619609103010344,
              -10.21180517450663
            ],
            [
              -158.08210364655116,
              21.61955605507139,
              46.98819482549337
            ],
            [
              -158.0821606517688,
              21.61052205219002,
              46.98819482549337
            ],
            [
              -158.09182123227575,
              21.610575076177877,
              -10.21180517450663
            ]
          ]
        ]
      },
      "bbox": [
        -158.0918212,
        21.61052205,
        -10.21180517,
        -158.0821036,
        21.6196091,
        46.98819483
      ],
      "properties": {
        "datetime": "2013-09-22T23:58:25Z",
        "pc:count": 13405384,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 594535.7194,
            "count": 13405384,
            "maximum": 594999.6443,
            "minimum": 593999.6443,
            "name": "X",
            "position": 0,
            "stddev": 277.7145269,
            "variance": 77125.35845
          },
          {
            "average": 2390476.173,
            "count": 13405384,
            "maximum": 2390998.489,
            "minimum": 2389998.469,
            "name": "Y",
            "position": 1,
            "stddev": 272.266474,
            "variance": 74129.03284
          },
          {
            "average": 10.04611462,
            "count": 13405384,
            "maximum": 46.98819483,
            "minimum": -10.21180517,
            "name": "Z",
            "position": 2,
            "stddev": 8.502875128,
            "variance": 72.29888544
          },
          {
            "average": 13.51074031,
            "count": 13405384,
            "maximum": 7100,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.98003979,
            "variance": 483.1221492
          },
          {
            "average": 1.555348657,
            "count": 13405384,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9154559944,
            "variance": 0.8380596777
          },
          {
            "average": 2.036866531,
            "count": 13405384,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.308520849,
            "variance": 1.712226812
          },
          {
            "average": 1,
            "count": 13405384,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13405384,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.761085695,
            "count": 13405384,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.159561072,
            "variance": 66.57843689
          },
          {
            "average": 20.20065033,
            "count": 13405384,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.097863007,
            "variance": 9.596755211
          },
          {
            "average": 91.96478982,
            "count": 13405384,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.10631194,
            "variance": 4238.831854
          },
          {
            "average": 4.715290662,
            "count": 13405384,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.626338343,
            "variance": 6.897653094
          },
          {
            "average": 63258016.84,
            "count": 13405384,
            "maximum": 63929505.06,
            "minimum": 62873212.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 382812.1705,
            "variance": 146545157900.0
          },
          {
            "average": 0,
            "count": 13405384,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13405384,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13405384,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13405384,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13405384,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          593999.6443,
          2389998.469,
          -10.21180517,
          594999.6443,
          2390998.489,
          46.98819483
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                593999.6443150013,
                2389998.4689139733,
                -10.21180517450663
              ],
              [
                593999.6443150013,
                2390998.488913973,
                -10.21180517450663
              ],
              [
                594999.6443150013,
                2390998.488913973,
                46.98819482549337
              ],
              [
                594999.6443150013,
                2389998.4689139733,
                46.98819482549337
              ],
              [
                593999.6443150013,
                2389998.4689139733,
                -10.21180517450663
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:58:25+00:00",
        "end_time": "2013-09-10T18:33:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej9490.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej9490.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej9490.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9490.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0918212,
            21.61052205,
            -10.21180517,
            -158.0821036,
            21.6196091,
            46.98819483
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.09182123227575,
                  21.610575076177877,
                  -10.21180517450663
                ],
                [
                  -158.0917648279132,
                  21.619609103010344,
                  -10.21180517450663
                ],
                [
                  -158.08210364655116,
                  21.61955605507139,
                  46.98819482549337
                ],
                [
                  -158.0821606517688,
                  21.61052205219002,
                  46.98819482549337
                ],
                [
                  -158.09182123227575,
                  21.610575076177877,
                  -10.21180517450663
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej9490.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej9490.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:58:25Z",
            "pc:count": 13405384,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 594535.7194,
                "count": 13405384,
                "maximum": 594999.6443,
                "minimum": 593999.6443,
                "name": "X",
                "position": 0,
                "stddev": 277.7145269,
                "variance": 77125.35845
              },
              {
                "average": 2390476.173,
                "count": 13405384,
                "maximum": 2390998.489,
                "minimum": 2389998.469,
                "name": "Y",
                "position": 1,
                "stddev": 272.266474,
                "variance": 74129.03284
              },
              {
                "average": 10.04611462,
                "count": 13405384,
                "maximum": 46.98819483,
                "minimum": -10.21180517,
                "name": "Z",
                "position": 2,
                "stddev": 8.502875128,
                "variance": 72.29888544
              },
              {
                "average": 13.51074031,
                "count": 13405384,
                "maximum": 7100,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.98003979,
                "variance": 483.1221492
              },
              {
                "average": 1.555348657,
                "count": 13405384,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9154559944,
                "variance": 0.8380596777
              },
              {
                "average": 2.036866531,
                "count": 13405384,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.308520849,
                "variance": 1.712226812
              },
              {
                "average": 1,
                "count": 13405384,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13405384,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.761085695,
                "count": 13405384,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.159561072,
                "variance": 66.57843689
              },
              {
                "average": 20.20065033,
                "count": 13405384,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.097863007,
                "variance": 9.596755211
              },
              {
                "average": 91.96478982,
                "count": 13405384,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.10631194,
                "variance": 4238.831854
              },
              {
                "average": 4.715290662,
                "count": 13405384,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.626338343,
                "variance": 6.897653094
              },
              {
                "average": 63258016.84,
                "count": 13405384,
                "maximum": 63929505.06,
                "minimum": 62873212.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 382812.1705,
                "variance": 146545157900.0
              },
              {
                "average": 0,
                "count": 13405384,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13405384,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13405384,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13405384,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13405384,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              593999.6443,
              2389998.469,
              -10.21180517,
              594999.6443,
              2390998.489,
              46.98819483
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    593999.6443150013,
                    2389998.4689139733,
                    -10.21180517450663
                  ],
                  [
                    593999.6443150013,
                    2390998.488913973,
                    -10.21180517450663
                  ],
                  [
                    594999.6443150013,
                    2390998.488913973,
                    46.98819482549337
                  ],
                  [
                    594999.6443150013,
                    2389998.4689139733,
                    46.98819482549337
                  ],
                  [
                    593999.6443150013,
                    2389998.4689139733,
                    -10.21180517450663
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:58:25+00:00",
            "end_time": "2013-09-10T18:33:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1196.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92719453608453,
              21.66379774128992,
              -21.695617202134173
            ],
            [
              -157.92712771570572,
              21.672831081298636,
              -21.695617202134173
            ],
            [
              -157.91746351049883,
              21.672768318253247,
              7.904382797865829
            ],
            [
              -157.91753093437387,
              21.66373500660495,
              7.904382797865829
            ],
            [
              -157.92719453608453,
              21.66379774128992,
              -21.695617202134173
            ]
          ]
        ]
      },
      "bbox": [
        -157.9271945,
        21.66373501,
        -21.6956172,
        -157.9174635,
        21.67283108,
        7.904382798
      ],
      "properties": {
        "datetime": "2013-09-22T00:54:16Z",
        "pc:count": 3795540,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611481.5892,
            "count": 3795540,
            "maximum": 611999.7652,
            "minimum": 610999.7652,
            "name": "X",
            "position": 0,
            "stddev": 264.7914215,
            "variance": 70114.4969
          },
          {
            "average": 2396487.589,
            "count": 3795540,
            "maximum": 2396998.484,
            "minimum": 2395998.484,
            "name": "Y",
            "position": 1,
            "stddev": 275.5987,
            "variance": 75954.64342
          },
          {
            "average": -6.185777443,
            "count": 3795540,
            "maximum": 7.904382798,
            "minimum": -21.6956172,
            "name": "Z",
            "position": 2,
            "stddev": 3.05550081,
            "variance": 9.3360852
          },
          {
            "average": 9.10936046,
            "count": 3795540,
            "maximum": 8931,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.75764021,
            "variance": 1139.578272
          },
          {
            "average": 1.010477297,
            "count": 3795540,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1041389868,
            "variance": 0.01084492857
          },
          {
            "average": 1.014150029,
            "count": 3795540,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1215914189,
            "variance": 0.01478447314
          },
          {
            "average": 1,
            "count": 3795540,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3795540,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.80173282,
            "count": 3795540,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.331887669,
            "variance": 5.437700101
          },
          {
            "average": 19.64926966,
            "count": 3795540,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.523657865,
            "variance": 12.41616475
          },
          {
            "average": 94.49715297,
            "count": 3795540,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.76665184,
            "variance": 4325.252494
          },
          {
            "average": 3.758492072,
            "count": 3795540,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.982942455,
            "variance": 3.932060778
          },
          {
            "average": 63837603.61,
            "count": 3795540,
            "maximum": 63846456.72,
            "minimum": 63831762.91,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6172.597617,
            "variance": 38100961.35
          },
          {
            "average": 0,
            "count": 3795540,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3795540,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3795540,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3795540,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3795540,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7652,
          2395998.484,
          -21.6956172,
          611999.7652,
          2396998.484,
          7.904382798
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7651990367,
                2395998.4840307394,
                -21.695617202134173
              ],
              [
                610999.7651990367,
                2396998.4840307394,
                -21.695617202134173
              ],
              [
                611999.7651990367,
                2396998.4840307394,
                7.904382797865829
              ],
              [
                611999.7651990367,
                2395998.4840307394,
                7.904382797865829
              ],
              [
                610999.7651990367,
                2395998.4840307394,
                -21.695617202134173
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:54:16+00:00",
        "end_time": "2013-09-21T20:49:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1196.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1196.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1196.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1196.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9271945,
            21.66373501,
            -21.6956172,
            -157.9174635,
            21.67283108,
            7.904382798
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92719453608453,
                  21.66379774128992,
                  -21.695617202134173
                ],
                [
                  -157.92712771570572,
                  21.672831081298636,
                  -21.695617202134173
                ],
                [
                  -157.91746351049883,
                  21.672768318253247,
                  7.904382797865829
                ],
                [
                  -157.91753093437387,
                  21.66373500660495,
                  7.904382797865829
                ],
                [
                  -157.92719453608453,
                  21.66379774128992,
                  -21.695617202134173
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1196.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1196.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:54:16Z",
            "pc:count": 3795540,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611481.5892,
                "count": 3795540,
                "maximum": 611999.7652,
                "minimum": 610999.7652,
                "name": "X",
                "position": 0,
                "stddev": 264.7914215,
                "variance": 70114.4969
              },
              {
                "average": 2396487.589,
                "count": 3795540,
                "maximum": 2396998.484,
                "minimum": 2395998.484,
                "name": "Y",
                "position": 1,
                "stddev": 275.5987,
                "variance": 75954.64342
              },
              {
                "average": -6.185777443,
                "count": 3795540,
                "maximum": 7.904382798,
                "minimum": -21.6956172,
                "name": "Z",
                "position": 2,
                "stddev": 3.05550081,
                "variance": 9.3360852
              },
              {
                "average": 9.10936046,
                "count": 3795540,
                "maximum": 8931,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.75764021,
                "variance": 1139.578272
              },
              {
                "average": 1.010477297,
                "count": 3795540,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1041389868,
                "variance": 0.01084492857
              },
              {
                "average": 1.014150029,
                "count": 3795540,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1215914189,
                "variance": 0.01478447314
              },
              {
                "average": 1,
                "count": 3795540,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3795540,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.80173282,
                "count": 3795540,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.331887669,
                "variance": 5.437700101
              },
              {
                "average": 19.64926966,
                "count": 3795540,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.523657865,
                "variance": 12.41616475
              },
              {
                "average": 94.49715297,
                "count": 3795540,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.76665184,
                "variance": 4325.252494
              },
              {
                "average": 3.758492072,
                "count": 3795540,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.982942455,
                "variance": 3.932060778
              },
              {
                "average": 63837603.61,
                "count": 3795540,
                "maximum": 63846456.72,
                "minimum": 63831762.91,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6172.597617,
                "variance": 38100961.35
              },
              {
                "average": 0,
                "count": 3795540,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3795540,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3795540,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3795540,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3795540,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7652,
              2395998.484,
              -21.6956172,
              611999.7652,
              2396998.484,
              7.904382798
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7651990367,
                    2395998.4840307394,
                    -21.695617202134173
                  ],
                  [
                    610999.7651990367,
                    2396998.4840307394,
                    -21.695617202134173
                  ],
                  [
                    611999.7651990367,
                    2396998.4840307394,
                    7.904382797865829
                  ],
                  [
                    611999.7651990367,
                    2395998.4840307394,
                    7.904382797865829
                  ],
                  [
                    610999.7651990367,
                    2395998.4840307394,
                    -21.695617202134173
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:54:16+00:00",
            "end_time": "2013-09-21T20:49:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1555.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.891347511694,
              21.293172296726944,
              -9.214912905918357
            ],
            [
              -157.891279754392,
              21.30220610935468,
              -9.214912905918357
            ],
            [
              -157.88164006059387,
              21.302142329533975,
              10.805087094081642
            ],
            [
              -157.8817084072895,
              21.293108546144147,
              10.805087094081642
            ],
            [
              -157.891347511694,
              21.293172296726944,
              -9.214912905918357
            ]
          ]
        ]
      },
      "bbox": [
        -157.8913475,
        21.29310855,
        -9.214912906,
        -157.8816401,
        21.30220611,
        10.80508709
      ],
      "properties": {
        "datetime": "2013-09-17T12:49:02Z",
        "pc:count": 8367483,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615522.3867,
            "count": 8367483,
            "maximum": 615999.7647,
            "minimum": 614999.7647,
            "name": "X",
            "position": 0,
            "stddev": 292.530913,
            "variance": 85574.33504
          },
          {
            "average": 2355574.945,
            "count": 8367483,
            "maximum": 2355998.454,
            "minimum": 2354998.434,
            "name": "Y",
            "position": 1,
            "stddev": 259.2384616,
            "variance": 67204.57996
          },
          {
            "average": -2.500265233,
            "count": 8367483,
            "maximum": 10.80508709,
            "minimum": -9.214912906,
            "name": "Z",
            "position": 2,
            "stddev": 3.006645548,
            "variance": 9.03991745
          },
          {
            "average": 10.90930355,
            "count": 8367483,
            "maximum": 6978,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.91284842,
            "variance": 835.9528039
          },
          {
            "average": 1.062489998,
            "count": 8367483,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2840621367,
            "variance": 0.08069129753
          },
          {
            "average": 1.108997652,
            "count": 8367483,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.407425726,
            "variance": 0.1659957222
          },
          {
            "average": 1,
            "count": 8367483,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8367483,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 25.50357808,
            "count": 8367483,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.227814233,
            "variance": 85.15255553
          },
          {
            "average": 12.28528817,
            "count": 8367483,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.06017884,
            "variance": 101.2071984
          },
          {
            "average": 91.38324022,
            "count": 8367483,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.76186579,
            "variance": 5007.241651
          },
          {
            "average": 7.896100177,
            "count": 8367483,
            "maximum": 18,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.042829048,
            "variance": 25.43012481
          },
          {
            "average": 63340315.96,
            "count": 8367483,
            "maximum": 63457342.3,
            "minimum": 63275455.09,
            "name": "GpsTime",
            "position": 12,
            "stddev": 81250.77366,
            "variance": 6601688220
          },
          {
            "average": 0,
            "count": 8367483,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8367483,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8367483,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8367483,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8367483,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.7647,
          2354998.434,
          -9.214912906,
          615999.7647,
          2355998.454,
          10.80508709
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.7647481975,
                2354998.4337311992,
                -9.214912905918357
              ],
              [
                614999.7647481975,
                2355998.453731199,
                -9.214912905918357
              ],
              [
                615999.7647481975,
                2355998.453731199,
                10.805087094081642
              ],
              [
                615999.7647481975,
                2354998.4337311992,
                10.805087094081642
              ],
              [
                614999.7647481975,
                2354998.4337311992,
                -9.214912905918357
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:49:02+00:00",
        "end_time": "2013-09-15T10:17:35+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1555.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1555.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1555.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1555.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8913475,
            21.29310855,
            -9.214912906,
            -157.8816401,
            21.30220611,
            10.80508709
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.891347511694,
                  21.293172296726944,
                  -9.214912905918357
                ],
                [
                  -157.891279754392,
                  21.30220610935468,
                  -9.214912905918357
                ],
                [
                  -157.88164006059387,
                  21.302142329533975,
                  10.805087094081642
                ],
                [
                  -157.8817084072895,
                  21.293108546144147,
                  10.805087094081642
                ],
                [
                  -157.891347511694,
                  21.293172296726944,
                  -9.214912905918357
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1555.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1555.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:49:02Z",
            "pc:count": 8367483,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615522.3867,
                "count": 8367483,
                "maximum": 615999.7647,
                "minimum": 614999.7647,
                "name": "X",
                "position": 0,
                "stddev": 292.530913,
                "variance": 85574.33504
              },
              {
                "average": 2355574.945,
                "count": 8367483,
                "maximum": 2355998.454,
                "minimum": 2354998.434,
                "name": "Y",
                "position": 1,
                "stddev": 259.2384616,
                "variance": 67204.57996
              },
              {
                "average": -2.500265233,
                "count": 8367483,
                "maximum": 10.80508709,
                "minimum": -9.214912906,
                "name": "Z",
                "position": 2,
                "stddev": 3.006645548,
                "variance": 9.03991745
              },
              {
                "average": 10.90930355,
                "count": 8367483,
                "maximum": 6978,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.91284842,
                "variance": 835.9528039
              },
              {
                "average": 1.062489998,
                "count": 8367483,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2840621367,
                "variance": 0.08069129753
              },
              {
                "average": 1.108997652,
                "count": 8367483,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.407425726,
                "variance": 0.1659957222
              },
              {
                "average": 1,
                "count": 8367483,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8367483,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 25.50357808,
                "count": 8367483,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.227814233,
                "variance": 85.15255553
              },
              {
                "average": 12.28528817,
                "count": 8367483,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.06017884,
                "variance": 101.2071984
              },
              {
                "average": 91.38324022,
                "count": 8367483,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.76186579,
                "variance": 5007.241651
              },
              {
                "average": 7.896100177,
                "count": 8367483,
                "maximum": 18,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.042829048,
                "variance": 25.43012481
              },
              {
                "average": 63340315.96,
                "count": 8367483,
                "maximum": 63457342.3,
                "minimum": 63275455.09,
                "name": "GpsTime",
                "position": 12,
                "stddev": 81250.77366,
                "variance": 6601688220
              },
              {
                "average": 0,
                "count": 8367483,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8367483,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8367483,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8367483,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8367483,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.7647,
              2354998.434,
              -9.214912906,
              615999.7647,
              2355998.454,
              10.80508709
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.7647481975,
                    2354998.4337311992,
                    -9.214912905918357
                  ],
                  [
                    614999.7647481975,
                    2355998.453731199,
                    -9.214912905918357
                  ],
                  [
                    615999.7647481975,
                    2355998.453731199,
                    10.805087094081642
                  ],
                  [
                    615999.7647481975,
                    2354998.4337311992,
                    10.805087094081642
                  ],
                  [
                    614999.7647481975,
                    2354998.4337311992,
                    -9.214912905918357
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:49:02+00:00",
            "end_time": "2013-09-15T10:17:35+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1095.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.93692453987097,
              21.65482653548895,
              -3.955765532662603
            ],
            [
              -157.9368583564354,
              21.66385991394615,
              -3.955765532662603
            ],
            [
              -157.92719451171683,
              21.663797743665867,
              52.944234467337395
            ],
            [
              -157.92726129699992,
              21.65476439362159,
              52.944234467337395
            ],
            [
              -157.93692453987097,
              21.65482653548895,
              -3.955765532662603
            ]
          ]
        ]
      },
      "bbox": [
        -157.9369245,
        21.65476439,
        -3.955765533,
        -157.9271945,
        21.66385991,
        52.94423447
      ],
      "properties": {
        "datetime": "2013-09-22T01:54:12Z",
        "pc:count": 6069693,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610525.0959,
            "count": 6069693,
            "maximum": 610999.7677,
            "minimum": 609999.7477,
            "name": "X",
            "position": 0,
            "stddev": 281.632969,
            "variance": 79317.12922
          },
          {
            "average": 2395486.051,
            "count": 6069693,
            "maximum": 2395998.484,
            "minimum": 2394998.484,
            "name": "Y",
            "position": 1,
            "stddev": 271.1358842,
            "variance": 73514.66768
          },
          {
            "average": 11.28754304,
            "count": 6069693,
            "maximum": 52.94423447,
            "minimum": -3.955765533,
            "name": "Z",
            "position": 2,
            "stddev": 9.612884604,
            "variance": 92.40755041
          },
          {
            "average": 20.38460051,
            "count": 6069693,
            "maximum": 5772,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 32.49671799,
            "variance": 1056.03668
          },
          {
            "average": 1.471430763,
            "count": 6069693,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8769187488,
            "variance": 0.768986492
          },
          {
            "average": 1.942927756,
            "count": 6069693,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.302539852,
            "variance": 1.696610066
          },
          {
            "average": 1,
            "count": 6069693,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6069693,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.832664354,
            "count": 6069693,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.111853859,
            "variance": 65.80217303
          },
          {
            "average": 20.03071322,
            "count": 6069693,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.464684759,
            "variance": 6.07467096
          },
          {
            "average": 91.45196553,
            "count": 6069693,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.9914284,
            "variance": 4487.85148
          },
          {
            "average": 7.078969727,
            "count": 6069693,
            "maximum": 10,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.469166507,
            "variance": 2.158450227
          },
          {
            "average": 63848062.7,
            "count": 6069693,
            "maximum": 63850052.93,
            "minimum": 63845721.26,
            "name": "GpsTime",
            "position": 12,
            "stddev": 904.7255161,
            "variance": 818528.2595
          },
          {
            "average": 0,
            "count": 6069693,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6069693,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6069693,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6069693,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6069693,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.7477,
          2394998.484,
          -3.955765533,
          610999.7677,
          2395998.484,
          52.94423447
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.7477186865,
                2394998.4843111783,
                -3.955765532662603
              ],
              [
                609999.7477186865,
                2395998.4843111783,
                -3.955765532662603
              ],
              [
                610999.7677186865,
                2395998.4843111783,
                52.944234467337395
              ],
              [
                610999.7677186865,
                2394998.4843111783,
                52.944234467337395
              ],
              [
                609999.7477186865,
                2394998.4843111783,
                -3.955765532662603
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:54:12+00:00",
        "end_time": "2013-09-22T00:42:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1095.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1095.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1095.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1095.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9369245,
            21.65476439,
            -3.955765533,
            -157.9271945,
            21.66385991,
            52.94423447
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.93692453987097,
                  21.65482653548895,
                  -3.955765532662603
                ],
                [
                  -157.9368583564354,
                  21.66385991394615,
                  -3.955765532662603
                ],
                [
                  -157.92719451171683,
                  21.663797743665867,
                  52.944234467337395
                ],
                [
                  -157.92726129699992,
                  21.65476439362159,
                  52.944234467337395
                ],
                [
                  -157.93692453987097,
                  21.65482653548895,
                  -3.955765532662603
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1095.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1095.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:54:12Z",
            "pc:count": 6069693,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610525.0959,
                "count": 6069693,
                "maximum": 610999.7677,
                "minimum": 609999.7477,
                "name": "X",
                "position": 0,
                "stddev": 281.632969,
                "variance": 79317.12922
              },
              {
                "average": 2395486.051,
                "count": 6069693,
                "maximum": 2395998.484,
                "minimum": 2394998.484,
                "name": "Y",
                "position": 1,
                "stddev": 271.1358842,
                "variance": 73514.66768
              },
              {
                "average": 11.28754304,
                "count": 6069693,
                "maximum": 52.94423447,
                "minimum": -3.955765533,
                "name": "Z",
                "position": 2,
                "stddev": 9.612884604,
                "variance": 92.40755041
              },
              {
                "average": 20.38460051,
                "count": 6069693,
                "maximum": 5772,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 32.49671799,
                "variance": 1056.03668
              },
              {
                "average": 1.471430763,
                "count": 6069693,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8769187488,
                "variance": 0.768986492
              },
              {
                "average": 1.942927756,
                "count": 6069693,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.302539852,
                "variance": 1.696610066
              },
              {
                "average": 1,
                "count": 6069693,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6069693,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.832664354,
                "count": 6069693,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.111853859,
                "variance": 65.80217303
              },
              {
                "average": 20.03071322,
                "count": 6069693,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.464684759,
                "variance": 6.07467096
              },
              {
                "average": 91.45196553,
                "count": 6069693,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.9914284,
                "variance": 4487.85148
              },
              {
                "average": 7.078969727,
                "count": 6069693,
                "maximum": 10,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.469166507,
                "variance": 2.158450227
              },
              {
                "average": 63848062.7,
                "count": 6069693,
                "maximum": 63850052.93,
                "minimum": 63845721.26,
                "name": "GpsTime",
                "position": 12,
                "stddev": 904.7255161,
                "variance": 818528.2595
              },
              {
                "average": 0,
                "count": 6069693,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6069693,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6069693,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6069693,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6069693,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.7477,
              2394998.484,
              -3.955765533,
              610999.7677,
              2395998.484,
              52.94423447
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.7477186865,
                    2394998.4843111783,
                    -3.955765532662603
                  ],
                  [
                    609999.7477186865,
                    2395998.4843111783,
                    -3.955765532662603
                  ],
                  [
                    610999.7677186865,
                    2395998.4843111783,
                    52.944234467337395
                  ],
                  [
                    610999.7677186865,
                    2394998.4843111783,
                    52.944234467337395
                  ],
                  [
                    609999.7477186865,
                    2394998.4843111783,
                    -3.955765532662603
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:54:12+00:00",
            "end_time": "2013-09-22T00:42:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9997.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.04310217846364,
              21.673540414279316,
              -11.805324504608357
            ],
            [
              -158.04304256325742,
              21.682574064636032,
              -11.805324504608357
            ],
            [
              -158.03337713964734,
              21.682518030492467,
              64.85467549539163
            ],
            [
              -158.03343735763107,
              21.6734844055329,
              64.85467549539163
            ],
            [
              -158.04310217846364,
              21.673540414279316,
              -11.805324504608357
            ]
          ]
        ]
      },
      "bbox": [
        -158.0431022,
        21.67348441,
        -11.8053245,
        -158.0333771,
        21.68257406,
        64.8546755
      ],
      "properties": {
        "datetime": "2013-09-09T21:58:58Z",
        "pc:count": 5816047,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 599518.3344,
            "count": 5816047,
            "maximum": 599999.6667,
            "minimum": 598999.6467,
            "name": "X",
            "position": 0,
            "stddev": 274.3356,
            "variance": 75260.02145
          },
          {
            "average": 2397509.117,
            "count": 5816047,
            "maximum": 2397998.494,
            "minimum": 2396998.494,
            "name": "Y",
            "position": 1,
            "stddev": 266.2833473,
            "variance": 70906.82104
          },
          {
            "average": 6.057718832,
            "count": 5816047,
            "maximum": 64.8546755,
            "minimum": -11.8053245,
            "name": "Z",
            "position": 2,
            "stddev": 10.10664874,
            "variance": 102.1443488
          },
          {
            "average": 12.67174062,
            "count": 5816047,
            "maximum": 8587,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.71489151,
            "variance": 824.5449944
          },
          {
            "average": 1.405078226,
            "count": 5816047,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7906037319,
            "variance": 0.6250542608
          },
          {
            "average": 1.750650915,
            "count": 5816047,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.144293091,
            "variance": 1.309406678
          },
          {
            "average": 1,
            "count": 5816047,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5816047,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.49674547,
            "count": 5816047,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.44385512,
            "variance": 180.7372404
          },
          {
            "average": 19.98897522,
            "count": 5816047,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.526450606,
            "variance": 6.382952664
          },
          {
            "average": 91.01696754,
            "count": 5816047,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.04332699,
            "variance": 4361.72104
          },
          {
            "average": 7.268353746,
            "count": 5816047,
            "maximum": 9,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.467320173,
            "variance": 2.153028491
          },
          {
            "average": 62798497.39,
            "count": 5816047,
            "maximum": 62799138.54,
            "minimum": 62796920.61,
            "name": "GpsTime",
            "position": 12,
            "stddev": 551.3576736,
            "variance": 303995.2842
          },
          {
            "average": 0,
            "count": 5816047,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5816047,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5816047,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5816047,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5816047,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          598999.6467,
          2396998.494,
          -11.8053245,
          599999.6667,
          2397998.494,
          64.8546755
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                598999.6466722222,
                2396998.4944349322,
                -11.805324504608357
              ],
              [
                598999.6466722222,
                2397998.4944349322,
                -11.805324504608357
              ],
              [
                599999.6666722222,
                2397998.4944349322,
                64.85467549539163
              ],
              [
                599999.6666722222,
                2396998.4944349322,
                64.85467549539163
              ],
              [
                598999.6466722222,
                2396998.4944349322,
                -11.805324504608357
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:58:58+00:00",
        "end_time": "2013-09-09T21:22:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9997.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9997.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9997.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9997.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0431022,
            21.67348441,
            -11.8053245,
            -158.0333771,
            21.68257406,
            64.8546755
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.04310217846364,
                  21.673540414279316,
                  -11.805324504608357
                ],
                [
                  -158.04304256325742,
                  21.682574064636032,
                  -11.805324504608357
                ],
                [
                  -158.03337713964734,
                  21.682518030492467,
                  64.85467549539163
                ],
                [
                  -158.03343735763107,
                  21.6734844055329,
                  64.85467549539163
                ],
                [
                  -158.04310217846364,
                  21.673540414279316,
                  -11.805324504608357
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9997.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9997.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:58:58Z",
            "pc:count": 5816047,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 599518.3344,
                "count": 5816047,
                "maximum": 599999.6667,
                "minimum": 598999.6467,
                "name": "X",
                "position": 0,
                "stddev": 274.3356,
                "variance": 75260.02145
              },
              {
                "average": 2397509.117,
                "count": 5816047,
                "maximum": 2397998.494,
                "minimum": 2396998.494,
                "name": "Y",
                "position": 1,
                "stddev": 266.2833473,
                "variance": 70906.82104
              },
              {
                "average": 6.057718832,
                "count": 5816047,
                "maximum": 64.8546755,
                "minimum": -11.8053245,
                "name": "Z",
                "position": 2,
                "stddev": 10.10664874,
                "variance": 102.1443488
              },
              {
                "average": 12.67174062,
                "count": 5816047,
                "maximum": 8587,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.71489151,
                "variance": 824.5449944
              },
              {
                "average": 1.405078226,
                "count": 5816047,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7906037319,
                "variance": 0.6250542608
              },
              {
                "average": 1.750650915,
                "count": 5816047,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.144293091,
                "variance": 1.309406678
              },
              {
                "average": 1,
                "count": 5816047,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5816047,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.49674547,
                "count": 5816047,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.44385512,
                "variance": 180.7372404
              },
              {
                "average": 19.98897522,
                "count": 5816047,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.526450606,
                "variance": 6.382952664
              },
              {
                "average": 91.01696754,
                "count": 5816047,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.04332699,
                "variance": 4361.72104
              },
              {
                "average": 7.268353746,
                "count": 5816047,
                "maximum": 9,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.467320173,
                "variance": 2.153028491
              },
              {
                "average": 62798497.39,
                "count": 5816047,
                "maximum": 62799138.54,
                "minimum": 62796920.61,
                "name": "GpsTime",
                "position": 12,
                "stddev": 551.3576736,
                "variance": 303995.2842
              },
              {
                "average": 0,
                "count": 5816047,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5816047,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5816047,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5816047,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5816047,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              598999.6467,
              2396998.494,
              -11.8053245,
              599999.6667,
              2397998.494,
              64.8546755
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    598999.6466722222,
                    2396998.4944349322,
                    -11.805324504608357
                  ],
                  [
                    598999.6466722222,
                    2397998.4944349322,
                    -11.805324504608357
                  ],
                  [
                    599999.6666722222,
                    2397998.4944349322,
                    64.85467549539163
                  ],
                  [
                    599999.6666722222,
                    2396998.4944349322,
                    64.85467549539163
                  ],
                  [
                    598999.6466722222,
                    2396998.4944349322,
                    -11.805324504608357
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:58:58+00:00",
            "end_time": "2013-09-09T21:22:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1197.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9271277452446,
              21.672831069268973,
              -21.404474642514195
            ],
            [
              -157.92706088892172,
              21.681864399404006,
              -21.404474642514195
            ],
            [
              -157.91850037462697,
              21.681808812223345,
              -0.824474642514192
            ],
            [
              -157.9185677720997,
              21.67277550557938,
              -0.824474642514192
            ],
            [
              -157.9271277452446,
              21.672831069268973,
              -21.404474642514195
            ]
          ]
        ]
      },
      "bbox": [
        -157.9271277,
        21.67277551,
        -21.40447464,
        -157.9185004,
        21.6818644,
        -0.8244746425
      ],
      "properties": {
        "datetime": "2013-09-22T00:22:57Z",
        "pc:count": 1921954,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611270.9016,
            "count": 1921954,
            "maximum": 611885.5022,
            "minimum": 610999.7622,
            "name": "X",
            "position": 0,
            "stddev": 189.9874084,
            "variance": 36095.21534
          },
          {
            "average": 2397386.022,
            "count": 1921954,
            "maximum": 2397998.483,
            "minimum": 2396998.483,
            "name": "Y",
            "position": 1,
            "stddev": 256.3599628,
            "variance": 65720.43052
          },
          {
            "average": -9.45777006,
            "count": 1921954,
            "maximum": -0.8244746425,
            "minimum": -21.40447464,
            "name": "Z",
            "position": 2,
            "stddev": 1.977862887,
            "variance": 3.911941602
          },
          {
            "average": 14.55139925,
            "count": 1921954,
            "maximum": 8868,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 44.88149845,
            "variance": 2014.348903
          },
          {
            "average": 1.00496682,
            "count": 1921954,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07109528238,
            "variance": 0.005054539177
          },
          {
            "average": 1.00787844,
            "count": 1921954,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08958536078,
            "variance": 0.008025536866
          },
          {
            "average": 1,
            "count": 1921954,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1921954,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1921954,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.79684903,
            "count": 1921954,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.730642191,
            "variance": 22.37897554
          },
          {
            "average": 96.99588596,
            "count": 1921954,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 66.64587009,
            "variance": 4441.672
          },
          {
            "average": 4.642413918,
            "count": 1921954,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9571808188,
            "variance": 0.9161951198
          },
          {
            "average": 63832509.88,
            "count": 1921954,
            "maximum": 63844577.36,
            "minimum": 63831772.52,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2237.579945,
            "variance": 5006764.01
          },
          {
            "average": 0,
            "count": 1921954,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1921954,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1921954,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1921954,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1921954,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7622,
          2396998.483,
          -21.40447464,
          611885.5022,
          2397998.483,
          -0.8244746425
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7621518761,
                2396998.4826779678,
                -21.404474642514195
              ],
              [
                610999.7621518761,
                2397998.4826779678,
                -21.404474642514195
              ],
              [
                611885.5021518761,
                2397998.4826779678,
                -0.824474642514192
              ],
              [
                611885.5021518761,
                2396998.4826779678,
                -0.824474642514192
              ],
              [
                610999.7621518761,
                2396998.4826779678,
                -21.404474642514195
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:22:57+00:00",
        "end_time": "2013-09-21T20:49:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1197.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1197.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1197.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1197.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9271277,
            21.67277551,
            -21.40447464,
            -157.9185004,
            21.6818644,
            -0.8244746425
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9271277452446,
                  21.672831069268973,
                  -21.404474642514195
                ],
                [
                  -157.92706088892172,
                  21.681864399404006,
                  -21.404474642514195
                ],
                [
                  -157.91850037462697,
                  21.681808812223345,
                  -0.824474642514192
                ],
                [
                  -157.9185677720997,
                  21.67277550557938,
                  -0.824474642514192
                ],
                [
                  -157.9271277452446,
                  21.672831069268973,
                  -21.404474642514195
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1197.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1197.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:22:57Z",
            "pc:count": 1921954,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611270.9016,
                "count": 1921954,
                "maximum": 611885.5022,
                "minimum": 610999.7622,
                "name": "X",
                "position": 0,
                "stddev": 189.9874084,
                "variance": 36095.21534
              },
              {
                "average": 2397386.022,
                "count": 1921954,
                "maximum": 2397998.483,
                "minimum": 2396998.483,
                "name": "Y",
                "position": 1,
                "stddev": 256.3599628,
                "variance": 65720.43052
              },
              {
                "average": -9.45777006,
                "count": 1921954,
                "maximum": -0.8244746425,
                "minimum": -21.40447464,
                "name": "Z",
                "position": 2,
                "stddev": 1.977862887,
                "variance": 3.911941602
              },
              {
                "average": 14.55139925,
                "count": 1921954,
                "maximum": 8868,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 44.88149845,
                "variance": 2014.348903
              },
              {
                "average": 1.00496682,
                "count": 1921954,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07109528238,
                "variance": 0.005054539177
              },
              {
                "average": 1.00787844,
                "count": 1921954,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08958536078,
                "variance": 0.008025536866
              },
              {
                "average": 1,
                "count": 1921954,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1921954,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1921954,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.79684903,
                "count": 1921954,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.730642191,
                "variance": 22.37897554
              },
              {
                "average": 96.99588596,
                "count": 1921954,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 66.64587009,
                "variance": 4441.672
              },
              {
                "average": 4.642413918,
                "count": 1921954,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9571808188,
                "variance": 0.9161951198
              },
              {
                "average": 63832509.88,
                "count": 1921954,
                "maximum": 63844577.36,
                "minimum": 63831772.52,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2237.579945,
                "variance": 5006764.01
              },
              {
                "average": 0,
                "count": 1921954,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1921954,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1921954,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1921954,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1921954,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7622,
              2396998.483,
              -21.40447464,
              611885.5022,
              2397998.483,
              -0.8244746425
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7621518761,
                    2396998.4826779678,
                    -21.404474642514195
                  ],
                  [
                    610999.7621518761,
                    2397998.4826779678,
                    -21.404474642514195
                  ],
                  [
                    611885.5021518761,
                    2397998.4826779678,
                    -0.824474642514192
                  ],
                  [
                    611885.5021518761,
                    2396998.4826779678,
                    -0.824474642514192
                  ],
                  [
                    610999.7621518761,
                    2396998.4826779678,
                    -21.404474642514195
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:22:57+00:00",
            "end_time": "2013-09-21T20:49:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1389.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90834247451693,
              21.600438476057565,
              -7.137292901949209
            ],
            [
              -157.90827470163518,
              21.609471828013124,
              -7.137292901949209
            ],
            [
              -157.8986145567265,
              21.60940814938633,
              40.92270709805079
            ],
            [
              -157.898682928733,
              21.60037482687521,
              40.92270709805079
            ],
            [
              -157.90834247451693,
              21.600438476057565,
              -7.137292901949209
            ]
          ]
        ]
      },
      "bbox": [
        -157.9083425,
        21.60037483,
        -7.137292902,
        -157.8986146,
        21.60947183,
        40.9227071
      ],
      "properties": {
        "datetime": "2013-09-22T02:26:15Z",
        "pc:count": 5159394,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613475.3422,
            "count": 5159394,
            "maximum": 613999.7867,
            "minimum": 612999.7667,
            "name": "X",
            "position": 0,
            "stddev": 286.4372394,
            "variance": 82046.29212
          },
          {
            "average": 2389443.688,
            "count": 5159394,
            "maximum": 2389998.485,
            "minimum": 2388998.485,
            "name": "Y",
            "position": 1,
            "stddev": 278.500246,
            "variance": 77562.38703
          },
          {
            "average": 4.171428423,
            "count": 5159394,
            "maximum": 40.9227071,
            "minimum": -7.137292902,
            "name": "Z",
            "position": 2,
            "stddev": 5.263107125,
            "variance": 27.70029661
          },
          {
            "average": 19.06366096,
            "count": 5159394,
            "maximum": 4504,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.56918933,
            "variance": 1337.305608
          },
          {
            "average": 1.237922903,
            "count": 5159394,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5877440577,
            "variance": 0.3454430773
          },
          {
            "average": 1.476269112,
            "count": 5159394,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8724458832,
            "variance": 0.7611618191
          },
          {
            "average": 1,
            "count": 5159394,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5159394,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.415824998,
            "count": 5159394,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.19734245,
            "variance": 148.7751629
          },
          {
            "average": 20.09015776,
            "count": 5159394,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.32689527,
            "variance": 5.414441599
          },
          {
            "average": 90.74438723,
            "count": 5159394,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.19540688,
            "variance": 4515.222706
          },
          {
            "average": 11.00044579,
            "count": 5159394,
            "maximum": 14,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.521664892,
            "variance": 2.315464043
          },
          {
            "average": 63850557.52,
            "count": 5159394,
            "maximum": 63851975.47,
            "minimum": 63847947.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 813.9544261,
            "variance": 662521.8077
          },
          {
            "average": 0,
            "count": 5159394,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5159394,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5159394,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5159394,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5159394,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7667,
          2388998.485,
          -7.137292902,
          613999.7867,
          2389998.485,
          40.9227071
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.7667192529,
                2388998.485219585,
                -7.137292901949209
              ],
              [
                612999.7667192529,
                2389998.485219585,
                -7.137292901949209
              ],
              [
                613999.7867192529,
                2389998.485219585,
                40.92270709805079
              ],
              [
                613999.7867192529,
                2388998.485219585,
                40.92270709805079
              ],
              [
                612999.7667192529,
                2388998.485219585,
                -7.137292901949209
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:26:15+00:00",
        "end_time": "2013-09-22T01:19:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1389.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1389.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1389.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1389.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9083425,
            21.60037483,
            -7.137292902,
            -157.8986146,
            21.60947183,
            40.9227071
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90834247451693,
                  21.600438476057565,
                  -7.137292901949209
                ],
                [
                  -157.90827470163518,
                  21.609471828013124,
                  -7.137292901949209
                ],
                [
                  -157.8986145567265,
                  21.60940814938633,
                  40.92270709805079
                ],
                [
                  -157.898682928733,
                  21.60037482687521,
                  40.92270709805079
                ],
                [
                  -157.90834247451693,
                  21.600438476057565,
                  -7.137292901949209
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1389.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1389.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:26:15Z",
            "pc:count": 5159394,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613475.3422,
                "count": 5159394,
                "maximum": 613999.7867,
                "minimum": 612999.7667,
                "name": "X",
                "position": 0,
                "stddev": 286.4372394,
                "variance": 82046.29212
              },
              {
                "average": 2389443.688,
                "count": 5159394,
                "maximum": 2389998.485,
                "minimum": 2388998.485,
                "name": "Y",
                "position": 1,
                "stddev": 278.500246,
                "variance": 77562.38703
              },
              {
                "average": 4.171428423,
                "count": 5159394,
                "maximum": 40.9227071,
                "minimum": -7.137292902,
                "name": "Z",
                "position": 2,
                "stddev": 5.263107125,
                "variance": 27.70029661
              },
              {
                "average": 19.06366096,
                "count": 5159394,
                "maximum": 4504,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.56918933,
                "variance": 1337.305608
              },
              {
                "average": 1.237922903,
                "count": 5159394,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5877440577,
                "variance": 0.3454430773
              },
              {
                "average": 1.476269112,
                "count": 5159394,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8724458832,
                "variance": 0.7611618191
              },
              {
                "average": 1,
                "count": 5159394,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5159394,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.415824998,
                "count": 5159394,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.19734245,
                "variance": 148.7751629
              },
              {
                "average": 20.09015776,
                "count": 5159394,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.32689527,
                "variance": 5.414441599
              },
              {
                "average": 90.74438723,
                "count": 5159394,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.19540688,
                "variance": 4515.222706
              },
              {
                "average": 11.00044579,
                "count": 5159394,
                "maximum": 14,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.521664892,
                "variance": 2.315464043
              },
              {
                "average": 63850557.52,
                "count": 5159394,
                "maximum": 63851975.47,
                "minimum": 63847947.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 813.9544261,
                "variance": 662521.8077
              },
              {
                "average": 0,
                "count": 5159394,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5159394,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5159394,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5159394,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5159394,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7667,
              2388998.485,
              -7.137292902,
              613999.7867,
              2389998.485,
              40.9227071
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.7667192529,
                    2388998.485219585,
                    -7.137292901949209
                  ],
                  [
                    612999.7667192529,
                    2389998.485219585,
                    -7.137292901949209
                  ],
                  [
                    613999.7867192529,
                    2389998.485219585,
                    40.92270709805079
                  ],
                  [
                    613999.7867192529,
                    2388998.485219585,
                    40.92270709805079
                  ],
                  [
                    612999.7667192529,
                    2388998.485219585,
                    -7.137292901949209
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:26:15+00:00",
            "end_time": "2013-09-22T01:19:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0899.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9559907728502,
              21.69108289634879,
              -10.039550227897108
            ],
            [
              -157.95592565844808,
              21.700116290147374,
              -10.039550227897108
            ],
            [
              -157.9462595225058,
              21.700055135289265,
              16.18044977210289
            ],
            [
              -157.94632524045207,
              21.69102176924562,
              16.18044977210289
            ],
            [
              -157.9559907728502,
              21.69108289634879,
              -10.039550227897108
            ]
          ]
        ]
      },
      "bbox": [
        -157.9559908,
        21.69102177,
        -10.03955023,
        -157.9462595,
        21.70011629,
        16.18044977
      ],
      "properties": {
        "datetime": "2013-09-22T01:28:56Z",
        "pc:count": 3374277,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608456.3541,
            "count": 3374277,
            "maximum": 608999.7329,
            "minimum": 607999.7329,
            "name": "X",
            "position": 0,
            "stddev": 289.2584758,
            "variance": 83670.46582
          },
          {
            "average": 2399459.072,
            "count": 3374277,
            "maximum": 2399998.494,
            "minimum": 2398998.494,
            "name": "Y",
            "position": 1,
            "stddev": 288.8400145,
            "variance": 83428.55399
          },
          {
            "average": -0.3350694339,
            "count": 3374277,
            "maximum": 16.18044977,
            "minimum": -10.03955023,
            "name": "Z",
            "position": 2,
            "stddev": 3.983825203,
            "variance": 15.87086325
          },
          {
            "average": 22.48393656,
            "count": 3374277,
            "maximum": 6907,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 43.10479394,
            "variance": 1858.023261
          },
          {
            "average": 1.056111872,
            "count": 3374277,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2496290951,
            "variance": 0.06231468512
          },
          {
            "average": 1.093776237,
            "count": 3374277,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3339800054,
            "variance": 0.111542644
          },
          {
            "average": 1,
            "count": 3374277,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3374277,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.33569147,
            "count": 3374277,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.81447377,
            "variance": 190.8396856
          },
          {
            "average": 19.97899937,
            "count": 3374277,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.818275289,
            "variance": 7.942675606
          },
          {
            "average": 95.86269562,
            "count": 3374277,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.35963723,
            "variance": 4537.320728
          },
          {
            "average": 5.076717768,
            "count": 3374277,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.731891785,
            "variance": 2.999449156
          },
          {
            "average": 63846904.39,
            "count": 3374277,
            "maximum": 63848536.6,
            "minimum": 63844518.65,
            "name": "GpsTime",
            "position": 12,
            "stddev": 919.7494908,
            "variance": 845939.1259
          },
          {
            "average": 0,
            "count": 3374277,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3374277,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3374277,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3374277,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3374277,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          607999.7329,
          2398998.494,
          -10.03955023,
          608999.7329,
          2399998.494,
          16.18044977
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                607999.7329230737,
                2398998.494264159,
                -10.039550227897108
              ],
              [
                607999.7329230737,
                2399998.494264159,
                -10.039550227897108
              ],
              [
                608999.7329230737,
                2399998.494264159,
                16.18044977210289
              ],
              [
                608999.7329230737,
                2398998.494264159,
                16.18044977210289
              ],
              [
                607999.7329230737,
                2398998.494264159,
                -10.039550227897108
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:28:56+00:00",
        "end_time": "2013-09-22T00:21:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0899.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0899.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0899.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0899.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9559908,
            21.69102177,
            -10.03955023,
            -157.9462595,
            21.70011629,
            16.18044977
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9559907728502,
                  21.69108289634879,
                  -10.039550227897108
                ],
                [
                  -157.95592565844808,
                  21.700116290147374,
                  -10.039550227897108
                ],
                [
                  -157.9462595225058,
                  21.700055135289265,
                  16.18044977210289
                ],
                [
                  -157.94632524045207,
                  21.69102176924562,
                  16.18044977210289
                ],
                [
                  -157.9559907728502,
                  21.69108289634879,
                  -10.039550227897108
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0899.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0899.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:28:56Z",
            "pc:count": 3374277,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608456.3541,
                "count": 3374277,
                "maximum": 608999.7329,
                "minimum": 607999.7329,
                "name": "X",
                "position": 0,
                "stddev": 289.2584758,
                "variance": 83670.46582
              },
              {
                "average": 2399459.072,
                "count": 3374277,
                "maximum": 2399998.494,
                "minimum": 2398998.494,
                "name": "Y",
                "position": 1,
                "stddev": 288.8400145,
                "variance": 83428.55399
              },
              {
                "average": -0.3350694339,
                "count": 3374277,
                "maximum": 16.18044977,
                "minimum": -10.03955023,
                "name": "Z",
                "position": 2,
                "stddev": 3.983825203,
                "variance": 15.87086325
              },
              {
                "average": 22.48393656,
                "count": 3374277,
                "maximum": 6907,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 43.10479394,
                "variance": 1858.023261
              },
              {
                "average": 1.056111872,
                "count": 3374277,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2496290951,
                "variance": 0.06231468512
              },
              {
                "average": 1.093776237,
                "count": 3374277,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3339800054,
                "variance": 0.111542644
              },
              {
                "average": 1,
                "count": 3374277,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3374277,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.33569147,
                "count": 3374277,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.81447377,
                "variance": 190.8396856
              },
              {
                "average": 19.97899937,
                "count": 3374277,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.818275289,
                "variance": 7.942675606
              },
              {
                "average": 95.86269562,
                "count": 3374277,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.35963723,
                "variance": 4537.320728
              },
              {
                "average": 5.076717768,
                "count": 3374277,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.731891785,
                "variance": 2.999449156
              },
              {
                "average": 63846904.39,
                "count": 3374277,
                "maximum": 63848536.6,
                "minimum": 63844518.65,
                "name": "GpsTime",
                "position": 12,
                "stddev": 919.7494908,
                "variance": 845939.1259
              },
              {
                "average": 0,
                "count": 3374277,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3374277,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3374277,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3374277,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3374277,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              607999.7329,
              2398998.494,
              -10.03955023,
              608999.7329,
              2399998.494,
              16.18044977
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    607999.7329230737,
                    2398998.494264159,
                    -10.039550227897108
                  ],
                  [
                    607999.7329230737,
                    2399998.494264159,
                    -10.039550227897108
                  ],
                  [
                    608999.7329230737,
                    2399998.494264159,
                    16.18044977210289
                  ],
                  [
                    608999.7329230737,
                    2398998.494264159,
                    16.18044977210289
                  ],
                  [
                    607999.7329230737,
                    2398998.494264159,
                    -10.039550227897108
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:28:56+00:00",
            "end_time": "2013-09-22T00:21:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1198.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92706082750402,
              21.681864504114905,
              -17.584617727044378
            ],
            [
              -157.9270308462146,
              21.685913961997844,
              -17.584617727044378
            ],
            [
              -157.92447965284708,
              21.685897437916417,
              -12.024617727044376
            ],
            [
              -157.9245097061608,
              21.681847983246485,
              -12.024617727044376
            ],
            [
              -157.92706082750402,
              21.681864504114905,
              -17.584617727044378
            ]
          ]
        ]
      },
      "bbox": [
        -157.9270608,
        21.68184798,
        -17.58461773,
        -157.9244797,
        21.68591396,
        -12.02461773
      ],
      "properties": {
        "datetime": "2013-09-21T20:54:41Z",
        "pc:count": 50352,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611098.4326,
            "count": 50352,
            "maximum": 611263.7284,
            "minimum": 610999.7684,
            "name": "X",
            "position": 0,
            "stddev": 72.38688051,
            "variance": 5239.86047
          },
          {
            "average": 2398153.001,
            "count": 50352,
            "maximum": 2398446.774,
            "minimum": 2397998.494,
            "name": "Y",
            "position": 1,
            "stddev": 115.2178163,
            "variance": 13275.1452
          },
          {
            "average": -14.80926064,
            "count": 50352,
            "maximum": -12.02461773,
            "minimum": -17.58461773,
            "name": "Z",
            "position": 2,
            "stddev": 0.8872030032,
            "variance": 0.7871291688
          },
          {
            "average": 68.85176358,
            "count": 50352,
            "maximum": 276,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 71.57845122,
            "variance": 5123.474679
          },
          {
            "average": 1.00103273,
            "count": 50352,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03211983099,
            "variance": 0.001031683543
          },
          {
            "average": 1.001151891,
            "count": 50352,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03392029906,
            "variance": 0.001150586688
          },
          {
            "average": 1,
            "count": 50352,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 50352,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 50352,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.83269053,
            "count": 50352,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.948302534,
            "variance": 63.17551317
          },
          {
            "average": 181.9243128,
            "count": 50352,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 76.96693194,
            "variance": 5923.908613
          },
          {
            "average": 4.007924214,
            "count": 50352,
            "maximum": 5,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.08866553168,
            "variance": 0.007861576509
          },
          {
            "average": 63831795.31,
            "count": 50352,
            "maximum": 63832081.26,
            "minimum": 63831788.53,
            "name": "GpsTime",
            "position": 12,
            "stddev": 25.59824252,
            "variance": 655.2700203
          },
          {
            "average": 0,
            "count": 50352,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 50352,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 50352,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 50352,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 50352,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7684,
          2397998.494,
          -17.58461773,
          611263.7284,
          2398446.774,
          -12.02461773
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7684261263,
                2397998.494313006,
                -17.584617727044378
              ],
              [
                610999.7684261263,
                2398446.774313006,
                -17.584617727044378
              ],
              [
                611263.7284261263,
                2398446.774313006,
                -12.024617727044376
              ],
              [
                611263.7284261263,
                2397998.494313006,
                -12.024617727044376
              ],
              [
                610999.7684261263,
                2397998.494313006,
                -17.584617727044378
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T20:54:41+00:00",
        "end_time": "2013-09-21T20:49:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1198.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1198.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1198.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1198.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9270608,
            21.68184798,
            -17.58461773,
            -157.9244797,
            21.68591396,
            -12.02461773
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92706082750402,
                  21.681864504114905,
                  -17.584617727044378
                ],
                [
                  -157.9270308462146,
                  21.685913961997844,
                  -17.584617727044378
                ],
                [
                  -157.92447965284708,
                  21.685897437916417,
                  -12.024617727044376
                ],
                [
                  -157.9245097061608,
                  21.681847983246485,
                  -12.024617727044376
                ],
                [
                  -157.92706082750402,
                  21.681864504114905,
                  -17.584617727044378
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1198.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1198.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T20:54:41Z",
            "pc:count": 50352,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611098.4326,
                "count": 50352,
                "maximum": 611263.7284,
                "minimum": 610999.7684,
                "name": "X",
                "position": 0,
                "stddev": 72.38688051,
                "variance": 5239.86047
              },
              {
                "average": 2398153.001,
                "count": 50352,
                "maximum": 2398446.774,
                "minimum": 2397998.494,
                "name": "Y",
                "position": 1,
                "stddev": 115.2178163,
                "variance": 13275.1452
              },
              {
                "average": -14.80926064,
                "count": 50352,
                "maximum": -12.02461773,
                "minimum": -17.58461773,
                "name": "Z",
                "position": 2,
                "stddev": 0.8872030032,
                "variance": 0.7871291688
              },
              {
                "average": 68.85176358,
                "count": 50352,
                "maximum": 276,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 71.57845122,
                "variance": 5123.474679
              },
              {
                "average": 1.00103273,
                "count": 50352,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03211983099,
                "variance": 0.001031683543
              },
              {
                "average": 1.001151891,
                "count": 50352,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03392029906,
                "variance": 0.001150586688
              },
              {
                "average": 1,
                "count": 50352,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 50352,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 50352,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.83269053,
                "count": 50352,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.948302534,
                "variance": 63.17551317
              },
              {
                "average": 181.9243128,
                "count": 50352,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 76.96693194,
                "variance": 5923.908613
              },
              {
                "average": 4.007924214,
                "count": 50352,
                "maximum": 5,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.08866553168,
                "variance": 0.007861576509
              },
              {
                "average": 63831795.31,
                "count": 50352,
                "maximum": 63832081.26,
                "minimum": 63831788.53,
                "name": "GpsTime",
                "position": 12,
                "stddev": 25.59824252,
                "variance": 655.2700203
              },
              {
                "average": 0,
                "count": 50352,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 50352,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 50352,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 50352,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 50352,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7684,
              2397998.494,
              -17.58461773,
              611263.7284,
              2398446.774,
              -12.02461773
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7684261263,
                    2397998.494313006,
                    -17.584617727044378
                  ],
                  [
                    610999.7684261263,
                    2398446.774313006,
                    -17.584617727044378
                  ],
                  [
                    611263.7284261263,
                    2398446.774313006,
                    -12.024617727044376
                  ],
                  [
                    611263.7284261263,
                    2397998.494313006,
                    -12.024617727044376
                  ],
                  [
                    610999.7684261263,
                    2397998.494313006,
                    -17.584617727044378
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T20:54:41+00:00",
            "end_time": "2013-09-21T20:49:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1254.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9202706851644,
              21.292597738832217,
              -20.376478122312992
            ],
            [
              -157.9202651161744,
              21.293360365818664,
              -20.376478122312992
            ],
            [
              -157.91452765802114,
              21.293323469829474,
              -7.656478122312993
            ],
            [
              -157.9145332566363,
              21.29256084427917,
              -7.656478122312993
            ],
            [
              -157.9202706851644,
              21.292597738832217,
              -20.376478122312992
            ]
          ]
        ]
      },
      "bbox": [
        -157.9202707,
        21.29256084,
        -20.37647812,
        -157.9145277,
        21.29336037,
        -7.656478122
      ],
      "properties": {
        "datetime": "2013-09-15T10:18:38Z",
        "pc:count": 22762,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612246.5268,
            "count": 22762,
            "maximum": 612594.9775,
            "minimum": 611999.7575,
            "name": "X",
            "position": 0,
            "stddev": 156.2164815,
            "variance": 24403.58911
          },
          {
            "average": 2354958.595,
            "count": 22762,
            "maximum": 2354998.447,
            "minimum": 2354914.027,
            "name": "Y",
            "position": 1,
            "stddev": 23.35885181,
            "variance": 545.6359578
          },
          {
            "average": -16.7508121,
            "count": 22762,
            "maximum": -7.656478122,
            "minimum": -20.37647812,
            "name": "Z",
            "position": 2,
            "stddev": 2.395030979,
            "variance": 5.736173391
          },
          {
            "average": 35.29760127,
            "count": 22762,
            "maximum": 131,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.81621682,
            "variance": 433.3148829
          },
          {
            "average": 1,
            "count": 22762,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 22762,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 22762,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22762,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 22762,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22762,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 249.0034707,
            "count": 22762,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.05881158895,
            "variance": 0.003458802994
          },
          {
            "average": 6,
            "count": 22762,
            "maximum": 6,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63275513.08,
            "count": 22762,
            "maximum": 63275518.52,
            "minimum": 63275507.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2.447969648,
            "variance": 5.992555397
          },
          {
            "average": 0,
            "count": 22762,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22762,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22762,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22762,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22762,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7575,
          2354914.027,
          -20.37647812,
          612594.9775,
          2354998.447,
          -7.656478122
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7575196514,
                2354914.0271087363,
                -20.376478122312992
              ],
              [
                611999.7575196514,
                2354998.4471087363,
                -20.376478122312992
              ],
              [
                612594.9775196514,
                2354998.4471087363,
                -7.656478122312993
              ],
              [
                612594.9775196514,
                2354914.0271087363,
                -7.656478122312993
              ],
              [
                611999.7575196514,
                2354914.0271087363,
                -20.376478122312992
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:18:38+00:00",
        "end_time": "2013-09-15T10:18:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1254.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1254.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1254.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1254.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9202707,
            21.29256084,
            -20.37647812,
            -157.9145277,
            21.29336037,
            -7.656478122
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9202706851644,
                  21.292597738832217,
                  -20.376478122312992
                ],
                [
                  -157.9202651161744,
                  21.293360365818664,
                  -20.376478122312992
                ],
                [
                  -157.91452765802114,
                  21.293323469829474,
                  -7.656478122312993
                ],
                [
                  -157.9145332566363,
                  21.29256084427917,
                  -7.656478122312993
                ],
                [
                  -157.9202706851644,
                  21.292597738832217,
                  -20.376478122312992
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1254.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1254.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:18:38Z",
            "pc:count": 22762,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612246.5268,
                "count": 22762,
                "maximum": 612594.9775,
                "minimum": 611999.7575,
                "name": "X",
                "position": 0,
                "stddev": 156.2164815,
                "variance": 24403.58911
              },
              {
                "average": 2354958.595,
                "count": 22762,
                "maximum": 2354998.447,
                "minimum": 2354914.027,
                "name": "Y",
                "position": 1,
                "stddev": 23.35885181,
                "variance": 545.6359578
              },
              {
                "average": -16.7508121,
                "count": 22762,
                "maximum": -7.656478122,
                "minimum": -20.37647812,
                "name": "Z",
                "position": 2,
                "stddev": 2.395030979,
                "variance": 5.736173391
              },
              {
                "average": 35.29760127,
                "count": 22762,
                "maximum": 131,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.81621682,
                "variance": 433.3148829
              },
              {
                "average": 1,
                "count": 22762,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 22762,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 22762,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22762,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 22762,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22762,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 249.0034707,
                "count": 22762,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.05881158895,
                "variance": 0.003458802994
              },
              {
                "average": 6,
                "count": 22762,
                "maximum": 6,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63275513.08,
                "count": 22762,
                "maximum": 63275518.52,
                "minimum": 63275507.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2.447969648,
                "variance": 5.992555397
              },
              {
                "average": 0,
                "count": 22762,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22762,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22762,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22762,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22762,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7575,
              2354914.027,
              -20.37647812,
              612594.9775,
              2354998.447,
              -7.656478122
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7575196514,
                    2354914.0271087363,
                    -20.376478122312992
                  ],
                  [
                    611999.7575196514,
                    2354998.4471087363,
                    -20.376478122312992
                  ],
                  [
                    612594.9775196514,
                    2354998.4471087363,
                    -7.656478122312993
                  ],
                  [
                    612594.9775196514,
                    2354914.0271087363,
                    -7.656478122312993
                  ],
                  [
                    611999.7575196514,
                    2354914.0271087363,
                    -20.376478122312992
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:18:38+00:00",
            "end_time": "2013-09-15T10:18:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qej8487.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.18858055642792,
              21.583971958732167,
              -30.331435005609897
            ],
            [
              -158.18853023258896,
              21.593006242580532,
              -30.331435005609897
            ],
            [
              -158.17887052511213,
              21.592958881823222,
              0.648564994390101
            ],
            [
              -158.17892145103485,
              21.583924618924755,
              0.648564994390101
            ],
            [
              -158.18858055642792,
              21.583971958732167,
              -30.331435005609897
            ]
          ]
        ]
      },
      "bbox": [
        -158.1885806,
        21.58392462,
        -30.33143501,
        -158.1788705,
        21.59300624,
        0.6485649944
      ],
      "properties": {
        "datetime": "2013-09-10T17:56:30Z",
        "pc:count": 2704447,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 584496.7151,
            "count": 2704447,
            "maximum": 584999.5928,
            "minimum": 583999.5928,
            "name": "X",
            "position": 0,
            "stddev": 290.0395355,
            "variance": 84122.93214
          },
          {
            "average": 2387364.209,
            "count": 2704447,
            "maximum": 2387998.473,
            "minimum": 2386998.453,
            "name": "Y",
            "position": 1,
            "stddev": 246.5581697,
            "variance": 60790.93107
          },
          {
            "average": -5.95220479,
            "count": 2704447,
            "maximum": 0.6485649944,
            "minimum": -30.33143501,
            "name": "Z",
            "position": 2,
            "stddev": 4.637715416,
            "variance": 21.50840428
          },
          {
            "average": 18.98900034,
            "count": 2704447,
            "maximum": 1172,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 71.53551394,
            "variance": 5117.329754
          },
          {
            "average": 1.051048514,
            "count": 2704447,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2294004871,
            "variance": 0.05262458348
          },
          {
            "average": 1.076959541,
            "count": 2704447,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2834522399,
            "variance": 0.0803451723
          },
          {
            "average": 1,
            "count": 2704447,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2704447,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2704447,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.89148667,
            "count": 2704447,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.691305969,
            "variance": 59.15618751
          },
          {
            "average": 102.4804949,
            "count": 2704447,
            "maximum": 254,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 81.57400403,
            "variance": 6654.318134
          },
          {
            "average": 7.174102136,
            "count": 2704447,
            "maximum": 10,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.361611951,
            "variance": 1.853987105
          },
          {
            "average": 62869587.8,
            "count": 2704447,
            "maximum": 62870990.42,
            "minimum": 62868334.82,
            "name": "GpsTime",
            "position": 12,
            "stddev": 729.4721951,
            "variance": 532129.6835
          },
          {
            "average": 0,
            "count": 2704447,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2704447,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2704447,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2704447,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2704447,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          583999.5928,
          2386998.453,
          -30.33143501,
          584999.5928,
          2387998.473,
          0.6485649944
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                583999.5928154644,
                2386998.453408946,
                -30.331435005609897
              ],
              [
                583999.5928154644,
                2387998.4734089454,
                -30.331435005609897
              ],
              [
                584999.5928154644,
                2387998.4734089454,
                0.648564994390101
              ],
              [
                584999.5928154644,
                2386998.453408946,
                0.648564994390101
              ],
              [
                583999.5928154644,
                2386998.453408946,
                -30.331435005609897
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-10T17:56:30+00:00",
        "end_time": "2013-09-10T17:12:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qej8487.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qej8487.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qej8487.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8487.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.1885806,
            21.58392462,
            -30.33143501,
            -158.1788705,
            21.59300624,
            0.6485649944
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.18858055642792,
                  21.583971958732167,
                  -30.331435005609897
                ],
                [
                  -158.18853023258896,
                  21.593006242580532,
                  -30.331435005609897
                ],
                [
                  -158.17887052511213,
                  21.592958881823222,
                  0.648564994390101
                ],
                [
                  -158.17892145103485,
                  21.583924618924755,
                  0.648564994390101
                ],
                [
                  -158.18858055642792,
                  21.583971958732167,
                  -30.331435005609897
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qej8487.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qej8487.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-10T17:56:30Z",
            "pc:count": 2704447,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 584496.7151,
                "count": 2704447,
                "maximum": 584999.5928,
                "minimum": 583999.5928,
                "name": "X",
                "position": 0,
                "stddev": 290.0395355,
                "variance": 84122.93214
              },
              {
                "average": 2387364.209,
                "count": 2704447,
                "maximum": 2387998.473,
                "minimum": 2386998.453,
                "name": "Y",
                "position": 1,
                "stddev": 246.5581697,
                "variance": 60790.93107
              },
              {
                "average": -5.95220479,
                "count": 2704447,
                "maximum": 0.6485649944,
                "minimum": -30.33143501,
                "name": "Z",
                "position": 2,
                "stddev": 4.637715416,
                "variance": 21.50840428
              },
              {
                "average": 18.98900034,
                "count": 2704447,
                "maximum": 1172,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 71.53551394,
                "variance": 5117.329754
              },
              {
                "average": 1.051048514,
                "count": 2704447,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2294004871,
                "variance": 0.05262458348
              },
              {
                "average": 1.076959541,
                "count": 2704447,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2834522399,
                "variance": 0.0803451723
              },
              {
                "average": 1,
                "count": 2704447,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2704447,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2704447,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.89148667,
                "count": 2704447,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.691305969,
                "variance": 59.15618751
              },
              {
                "average": 102.4804949,
                "count": 2704447,
                "maximum": 254,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 81.57400403,
                "variance": 6654.318134
              },
              {
                "average": 7.174102136,
                "count": 2704447,
                "maximum": 10,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.361611951,
                "variance": 1.853987105
              },
              {
                "average": 62869587.8,
                "count": 2704447,
                "maximum": 62870990.42,
                "minimum": 62868334.82,
                "name": "GpsTime",
                "position": 12,
                "stddev": 729.4721951,
                "variance": 532129.6835
              },
              {
                "average": 0,
                "count": 2704447,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2704447,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2704447,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2704447,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2704447,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              583999.5928,
              2386998.453,
              -30.33143501,
              584999.5928,
              2387998.473,
              0.6485649944
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    583999.5928154644,
                    2386998.453408946,
                    -30.331435005609897
                  ],
                  [
                    583999.5928154644,
                    2387998.4734089454,
                    -30.331435005609897
                  ],
                  [
                    584999.5928154644,
                    2387998.4734089454,
                    0.648564994390101
                  ],
                  [
                    584999.5928154644,
                    2386998.453408946,
                    0.648564994390101
                  ],
                  [
                    583999.5928154644,
                    2386998.453408946,
                    -30.331435005609897
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-10T17:56:30+00:00",
            "end_time": "2013-09-10T17:12:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0954.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.94920523538735,
              21.290433345579856,
              -53.730018562956516
            ],
            [
              -157.9491831361398,
              21.293543325131235,
              -53.730018562956516
            ],
            [
              -157.93954382944253,
              21.293482883071626,
              -20.49001856295651
            ],
            [
              -157.939566131442,
              21.29037291296264,
              -20.49001856295651
            ],
            [
              -157.94920523538735,
              21.290433345579856,
              -53.730018562956516
            ]
          ]
        ]
      },
      "bbox": [
        -157.9492052,
        21.29037291,
        -53.73001856,
        -157.9395438,
        21.29354333,
        -20.49001856
      ],
      "properties": {
        "datetime": "2013-09-15T10:35:14Z",
        "pc:count": 142178,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609475.9234,
            "count": 142178,
            "maximum": 609999.7414,
            "minimum": 608999.7414,
            "name": "X",
            "position": 0,
            "stddev": 273.4131155,
            "variance": 74754.73171
          },
          {
            "average": 2354884.183,
            "count": 142178,
            "maximum": 2354998.443,
            "minimum": 2354654.183,
            "name": "Y",
            "position": 1,
            "stddev": 85.81452569,
            "variance": 7364.132819
          },
          {
            "average": -34.22405751,
            "count": 142178,
            "maximum": -20.49001856,
            "minimum": -53.73001856,
            "name": "Z",
            "position": 2,
            "stddev": 5.642441294,
            "variance": 31.83714376
          },
          {
            "average": 844.8643461,
            "count": 142178,
            "maximum": 4573,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 813.4393669,
            "variance": 661683.6037
          },
          {
            "average": 1.073914389,
            "count": 142178,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2647059414,
            "variance": 0.07006923543
          },
          {
            "average": 1.075729016,
            "count": 142178,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2699599112,
            "variance": 0.07287835365
          },
          {
            "average": 1,
            "count": 142178,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 142178,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 142178,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 142178,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 249.2307671,
            "count": 142178,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 3.237088975,
            "variance": 10.47874503
          },
          {
            "average": 6.577107569,
            "count": 142178,
            "maximum": 8,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9061830763,
            "variance": 0.8211677678
          },
          {
            "average": 63275828.75,
            "count": 142178,
            "maximum": 63276514.84,
            "minimum": 63275544.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 431.7733559,
            "variance": 186428.2309
          },
          {
            "average": 0,
            "count": 142178,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 142178,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 142178,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 142178,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 142178,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608999.7414,
          2354654.183,
          -53.73001856,
          609999.7414,
          2354998.443,
          -20.49001856
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608999.7414384234,
                2354654.183360717,
                -53.730018562956516
              ],
              [
                608999.7414384234,
                2354998.4433607166,
                -53.730018562956516
              ],
              [
                609999.7414384234,
                2354998.4433607166,
                -20.49001856295651
              ],
              [
                609999.7414384234,
                2354654.183360717,
                -20.49001856295651
              ],
              [
                608999.7414384234,
                2354654.183360717,
                -53.730018562956516
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:35:14+00:00",
        "end_time": "2013-09-15T10:19:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0954.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0954.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0954.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0954.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9492052,
            21.29037291,
            -53.73001856,
            -157.9395438,
            21.29354333,
            -20.49001856
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.94920523538735,
                  21.290433345579856,
                  -53.730018562956516
                ],
                [
                  -157.9491831361398,
                  21.293543325131235,
                  -53.730018562956516
                ],
                [
                  -157.93954382944253,
                  21.293482883071626,
                  -20.49001856295651
                ],
                [
                  -157.939566131442,
                  21.29037291296264,
                  -20.49001856295651
                ],
                [
                  -157.94920523538735,
                  21.290433345579856,
                  -53.730018562956516
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0954.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0954.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:35:14Z",
            "pc:count": 142178,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609475.9234,
                "count": 142178,
                "maximum": 609999.7414,
                "minimum": 608999.7414,
                "name": "X",
                "position": 0,
                "stddev": 273.4131155,
                "variance": 74754.73171
              },
              {
                "average": 2354884.183,
                "count": 142178,
                "maximum": 2354998.443,
                "minimum": 2354654.183,
                "name": "Y",
                "position": 1,
                "stddev": 85.81452569,
                "variance": 7364.132819
              },
              {
                "average": -34.22405751,
                "count": 142178,
                "maximum": -20.49001856,
                "minimum": -53.73001856,
                "name": "Z",
                "position": 2,
                "stddev": 5.642441294,
                "variance": 31.83714376
              },
              {
                "average": 844.8643461,
                "count": 142178,
                "maximum": 4573,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 813.4393669,
                "variance": 661683.6037
              },
              {
                "average": 1.073914389,
                "count": 142178,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2647059414,
                "variance": 0.07006923543
              },
              {
                "average": 1.075729016,
                "count": 142178,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2699599112,
                "variance": 0.07287835365
              },
              {
                "average": 1,
                "count": 142178,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 142178,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 142178,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 142178,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 249.2307671,
                "count": 142178,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 3.237088975,
                "variance": 10.47874503
              },
              {
                "average": 6.577107569,
                "count": 142178,
                "maximum": 8,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9061830763,
                "variance": 0.8211677678
              },
              {
                "average": 63275828.75,
                "count": 142178,
                "maximum": 63276514.84,
                "minimum": 63275544.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 431.7733559,
                "variance": 186428.2309
              },
              {
                "average": 0,
                "count": 142178,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 142178,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 142178,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 142178,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 142178,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608999.7414,
              2354654.183,
              -53.73001856,
              609999.7414,
              2354998.443,
              -20.49001856
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608999.7414384234,
                    2354654.183360717,
                    -53.730018562956516
                  ],
                  [
                    608999.7414384234,
                    2354998.4433607166,
                    -53.730018562956516
                  ],
                  [
                    609999.7414384234,
                    2354998.4433607166,
                    -20.49001856295651
                  ],
                  [
                    609999.7414384234,
                    2354654.183360717,
                    -20.49001856295651
                  ],
                  [
                    608999.7414384234,
                    2354654.183360717,
                    -53.730018562956516
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:35:14+00:00",
            "end_time": "2013-09-15T10:19:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1658.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8815032673666,
              21.320209421080836,
              -1.644750468711486
            ],
            [
              -157.8814348100896,
              21.32924298811339,
              -1.644750468711486
            ],
            [
              -157.87179338526423,
              21.3291785742221,
              65.7352495312885
            ],
            [
              -157.87186242954056,
              21.32014504189645,
              65.7352495312885
            ],
            [
              -157.8815032673666,
              21.320209421080836,
              -1.644750468711486
            ]
          ]
        ]
      },
      "bbox": [
        -157.8815033,
        21.32014504,
        -1.644750469,
        -157.8717934,
        21.32924299,
        65.73524953
      ],
      "properties": {
        "datetime": "2013-09-16T09:57:39Z",
        "pc:count": 1079982,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616334.6164,
            "count": 1079982,
            "maximum": 616999.7643,
            "minimum": 615999.7643,
            "name": "X",
            "position": 0,
            "stddev": 243.6846309,
            "variance": 59382.19932
          },
          {
            "average": 2358177.16,
            "count": 1079982,
            "maximum": 2358998.445,
            "minimum": 2357998.445,
            "name": "Y",
            "position": 1,
            "stddev": 204.1381449,
            "variance": 41672.38221
          },
          {
            "average": 6.864165189,
            "count": 1079982,
            "maximum": 65.73524953,
            "minimum": -1.644750469,
            "name": "Z",
            "position": 2,
            "stddev": 5.224877223,
            "variance": 27.29934199
          },
          {
            "average": 44.67072136,
            "count": 1079982,
            "maximum": 948,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 72.44223137,
            "variance": 5247.876885
          },
          {
            "average": 1.1870846,
            "count": 1079982,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5151204214,
            "variance": 0.2653490486
          },
          {
            "average": 1.347419679,
            "count": 1079982,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7516878785,
            "variance": 0.5650346667
          },
          {
            "average": 1,
            "count": 1079982,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1079982,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.529511603,
            "count": 1079982,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.583649037,
            "variance": 6.675242348
          },
          {
            "average": 0,
            "count": 1079982,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 93.64260423,
            "count": 1079982,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.1499086,
            "variance": 3987.910957
          },
          {
            "average": 2.451670491,
            "count": 1079982,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6615674828,
            "variance": 0.4376715343
          },
          {
            "average": 63353616.39,
            "count": 1079982,
            "maximum": 63360659.03,
            "minimum": 63274903.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 21049.04153,
            "variance": 443062149.4
          },
          {
            "average": 0,
            "count": 1079982,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1079982,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1079982,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1079982,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1079982,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7643,
          2357998.445,
          -1.644750469,
          616999.7643,
          2358998.445,
          65.73524953
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.7642742374,
                2357998.444744583,
                -1.644750468711486
              ],
              [
                615999.7642742374,
                2358998.444744583,
                -1.644750468711486
              ],
              [
                616999.7642742374,
                2358998.444744583,
                65.7352495312885
              ],
              [
                616999.7642742374,
                2357998.444744583,
                65.7352495312885
              ],
              [
                615999.7642742374,
                2357998.444744583,
                -1.644750468711486
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:57:39+00:00",
        "end_time": "2013-09-15T10:08:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1658.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1658.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1658.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1658.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8815033,
            21.32014504,
            -1.644750469,
            -157.8717934,
            21.32924299,
            65.73524953
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8815032673666,
                  21.320209421080836,
                  -1.644750468711486
                ],
                [
                  -157.8814348100896,
                  21.32924298811339,
                  -1.644750468711486
                ],
                [
                  -157.87179338526423,
                  21.3291785742221,
                  65.7352495312885
                ],
                [
                  -157.87186242954056,
                  21.32014504189645,
                  65.7352495312885
                ],
                [
                  -157.8815032673666,
                  21.320209421080836,
                  -1.644750468711486
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1658.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1658.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:57:39Z",
            "pc:count": 1079982,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616334.6164,
                "count": 1079982,
                "maximum": 616999.7643,
                "minimum": 615999.7643,
                "name": "X",
                "position": 0,
                "stddev": 243.6846309,
                "variance": 59382.19932
              },
              {
                "average": 2358177.16,
                "count": 1079982,
                "maximum": 2358998.445,
                "minimum": 2357998.445,
                "name": "Y",
                "position": 1,
                "stddev": 204.1381449,
                "variance": 41672.38221
              },
              {
                "average": 6.864165189,
                "count": 1079982,
                "maximum": 65.73524953,
                "minimum": -1.644750469,
                "name": "Z",
                "position": 2,
                "stddev": 5.224877223,
                "variance": 27.29934199
              },
              {
                "average": 44.67072136,
                "count": 1079982,
                "maximum": 948,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 72.44223137,
                "variance": 5247.876885
              },
              {
                "average": 1.1870846,
                "count": 1079982,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5151204214,
                "variance": 0.2653490486
              },
              {
                "average": 1.347419679,
                "count": 1079982,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7516878785,
                "variance": 0.5650346667
              },
              {
                "average": 1,
                "count": 1079982,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1079982,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.529511603,
                "count": 1079982,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.583649037,
                "variance": 6.675242348
              },
              {
                "average": 0,
                "count": 1079982,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 93.64260423,
                "count": 1079982,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.1499086,
                "variance": 3987.910957
              },
              {
                "average": 2.451670491,
                "count": 1079982,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6615674828,
                "variance": 0.4376715343
              },
              {
                "average": 63353616.39,
                "count": 1079982,
                "maximum": 63360659.03,
                "minimum": 63274903.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 21049.04153,
                "variance": 443062149.4
              },
              {
                "average": 0,
                "count": 1079982,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1079982,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1079982,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1079982,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1079982,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7643,
              2357998.445,
              -1.644750469,
              616999.7643,
              2358998.445,
              65.73524953
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.7642742374,
                    2357998.444744583,
                    -1.644750468711486
                  ],
                  [
                    615999.7642742374,
                    2358998.444744583,
                    -1.644750468711486
                  ],
                  [
                    616999.7642742374,
                    2358998.444744583,
                    65.7352495312885
                  ],
                  [
                    616999.7642742374,
                    2357998.444744583,
                    65.7352495312885
                  ],
                  [
                    615999.7642742374,
                    2357998.444744583,
                    -1.644750468711486
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:57:39+00:00",
            "end_time": "2013-09-15T10:08:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1255.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92026514984823,
              21.29336038932839,
              -18.511644682726704
            ],
            [
              -157.92020399078476,
              21.30173320136133,
              -18.511644682726704
            ],
            [
              -157.91056422926908,
              21.30167107619788,
              0.968355317273298
            ],
            [
              -157.91062593450806,
              21.29329829073382,
              0.968355317273298
            ],
            [
              -157.92026514984823,
              21.29336038932839,
              -18.511644682726704
            ]
          ]
        ]
      },
      "bbox": [
        -157.9202651,
        21.29329829,
        -18.51164468,
        -157.9105642,
        21.3017332,
        0.9683553173
      ],
      "properties": {
        "datetime": "2013-09-17T12:15:36Z",
        "pc:count": 3126925,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612477.7379,
            "count": 3126925,
            "maximum": 612999.754,
            "minimum": 611999.754,
            "name": "X",
            "position": 0,
            "stddev": 283.8221794,
            "variance": 80555.02949
          },
          {
            "average": 2355554.241,
            "count": 3126925,
            "maximum": 2355925.29,
            "minimum": 2354998.45,
            "name": "Y",
            "position": 1,
            "stddev": 210.5481379,
            "variance": 44330.51839
          },
          {
            "average": -2.071315749,
            "count": 3126925,
            "maximum": 0.9683553173,
            "minimum": -18.51164468,
            "name": "Z",
            "position": 2,
            "stddev": 1.993101133,
            "variance": 3.972452128
          },
          {
            "average": 2.297806311,
            "count": 3126925,
            "maximum": 500,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 6.380973374,
            "variance": 40.7168212
          },
          {
            "average": 1.006845383,
            "count": 3126925,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0826391387,
            "variance": 0.006829227244
          },
          {
            "average": 1.010247448,
            "count": 3126925,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1010457267,
            "variance": 0.01021023889
          },
          {
            "average": 1,
            "count": 3126925,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3126925,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3126925,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3126925,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 93.86299927,
            "count": 3126925,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.09810126,
            "variance": 5944.117218
          },
          {
            "average": 5.446454264,
            "count": 3126925,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.506763688,
            "variance": 20.31091894
          },
          {
            "average": 63345577.99,
            "count": 3126925,
            "maximum": 63455336.82,
            "minimum": 63275499.52,
            "name": "GpsTime",
            "position": 12,
            "stddev": 74339.07913,
            "variance": 5526298686
          },
          {
            "average": 0,
            "count": 3126925,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3126925,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3126925,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3126925,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3126925,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.754,
          2354998.45,
          -18.51164468,
          612999.754,
          2355925.29,
          0.9683553173
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7540085915,
                2354998.4496871484,
                -18.511644682726704
              ],
              [
                611999.7540085915,
                2355925.2896871483,
                -18.511644682726704
              ],
              [
                612999.7540085915,
                2355925.2896871483,
                0.968355317273298
              ],
              [
                612999.7540085915,
                2354998.4496871484,
                0.968355317273298
              ],
              [
                611999.7540085915,
                2354998.4496871484,
                -18.511644682726704
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:15:36+00:00",
        "end_time": "2013-09-15T10:18:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1255.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1255.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1255.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1255.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9202651,
            21.29329829,
            -18.51164468,
            -157.9105642,
            21.3017332,
            0.9683553173
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92026514984823,
                  21.29336038932839,
                  -18.511644682726704
                ],
                [
                  -157.92020399078476,
                  21.30173320136133,
                  -18.511644682726704
                ],
                [
                  -157.91056422926908,
                  21.30167107619788,
                  0.968355317273298
                ],
                [
                  -157.91062593450806,
                  21.29329829073382,
                  0.968355317273298
                ],
                [
                  -157.92026514984823,
                  21.29336038932839,
                  -18.511644682726704
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1255.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1255.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:15:36Z",
            "pc:count": 3126925,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612477.7379,
                "count": 3126925,
                "maximum": 612999.754,
                "minimum": 611999.754,
                "name": "X",
                "position": 0,
                "stddev": 283.8221794,
                "variance": 80555.02949
              },
              {
                "average": 2355554.241,
                "count": 3126925,
                "maximum": 2355925.29,
                "minimum": 2354998.45,
                "name": "Y",
                "position": 1,
                "stddev": 210.5481379,
                "variance": 44330.51839
              },
              {
                "average": -2.071315749,
                "count": 3126925,
                "maximum": 0.9683553173,
                "minimum": -18.51164468,
                "name": "Z",
                "position": 2,
                "stddev": 1.993101133,
                "variance": 3.972452128
              },
              {
                "average": 2.297806311,
                "count": 3126925,
                "maximum": 500,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 6.380973374,
                "variance": 40.7168212
              },
              {
                "average": 1.006845383,
                "count": 3126925,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0826391387,
                "variance": 0.006829227244
              },
              {
                "average": 1.010247448,
                "count": 3126925,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1010457267,
                "variance": 0.01021023889
              },
              {
                "average": 1,
                "count": 3126925,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3126925,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3126925,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3126925,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 93.86299927,
                "count": 3126925,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.09810126,
                "variance": 5944.117218
              },
              {
                "average": 5.446454264,
                "count": 3126925,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.506763688,
                "variance": 20.31091894
              },
              {
                "average": 63345577.99,
                "count": 3126925,
                "maximum": 63455336.82,
                "minimum": 63275499.52,
                "name": "GpsTime",
                "position": 12,
                "stddev": 74339.07913,
                "variance": 5526298686
              },
              {
                "average": 0,
                "count": 3126925,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3126925,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3126925,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3126925,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3126925,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.754,
              2354998.45,
              -18.51164468,
              612999.754,
              2355925.29,
              0.9683553173
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7540085915,
                    2354998.4496871484,
                    -18.511644682726704
                  ],
                  [
                    611999.7540085915,
                    2355925.2896871483,
                    -18.511644682726704
                  ],
                  [
                    612999.7540085915,
                    2355925.2896871483,
                    0.968355317273298
                  ],
                  [
                    612999.7540085915,
                    2354998.4496871484,
                    0.968355317273298
                  ],
                  [
                    611999.7540085915,
                    2354998.4496871484,
                    -18.511644682726704
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:15:36+00:00",
            "end_time": "2013-09-15T10:18:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1096.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.93685836651252,
              21.6638599278512,
              -10.435701554429599
            ],
            [
              -157.9367921487179,
              21.672893296158847,
              -10.435701554429599
            ],
            [
              -157.92712770141324,
              21.672831097580126,
              36.1642984455704
            ],
            [
              -157.92719452179298,
              21.663797757571476,
              36.1642984455704
            ],
            [
              -157.93685836651252,
              21.6638599278512,
              -10.435701554429599
            ]
          ]
        ]
      },
      "bbox": [
        -157.9368584,
        21.66379776,
        -10.43570155,
        -157.9271277,
        21.6728933,
        36.16429845
      ],
      "properties": {
        "datetime": "2013-09-22T01:29:49Z",
        "pc:count": 3079542,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610452.1614,
            "count": 3079542,
            "maximum": 610999.7667,
            "minimum": 609999.7467,
            "name": "X",
            "position": 0,
            "stddev": 289.0907831,
            "variance": 83573.48087
          },
          {
            "average": 2396438.443,
            "count": 3079542,
            "maximum": 2396998.486,
            "minimum": 2395998.486,
            "name": "Y",
            "position": 1,
            "stddev": 297.1835016,
            "variance": 88318.0336
          },
          {
            "average": -1.830058871,
            "count": 3079542,
            "maximum": 36.16429845,
            "minimum": -10.43570155,
            "name": "Z",
            "position": 2,
            "stddev": 4.496404493,
            "variance": 20.21765337
          },
          {
            "average": 11.97816266,
            "count": 3079542,
            "maximum": 8973,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 40.14811758,
            "variance": 1611.871345
          },
          {
            "average": 1.071625911,
            "count": 3079542,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3280706672,
            "variance": 0.1076303627
          },
          {
            "average": 1.11676574,
            "count": 3079542,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4785791063,
            "variance": 0.229037961
          },
          {
            "average": 1,
            "count": 3079542,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3079542,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.02331223,
            "count": 3079542,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.584015365,
            "variance": 73.68531979
          },
          {
            "average": 20.05165593,
            "count": 3079542,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.332546986,
            "variance": 5.440775441
          },
          {
            "average": 95.84264283,
            "count": 3079542,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.88860173,
            "variance": 5025.193855
          },
          {
            "average": 4.769308553,
            "count": 3079542,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.510118468,
            "variance": 2.280457789
          },
          {
            "average": 63846760.19,
            "count": 3079542,
            "maximum": 63848589.82,
            "minimum": 63844572.04,
            "name": "GpsTime",
            "position": 12,
            "stddev": 808.6349629,
            "variance": 653890.5033
          },
          {
            "average": 0,
            "count": 3079542,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3079542,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3079542,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3079542,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3079542,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.7467,
          2395998.486,
          -10.43570155,
          610999.7667,
          2396998.486,
          36.16429845
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.7466654066,
                2395998.485843261,
                -10.435701554429599
              ],
              [
                609999.7466654066,
                2396998.485843261,
                -10.435701554429599
              ],
              [
                610999.7666654066,
                2396998.485843261,
                36.1642984455704
              ],
              [
                610999.7666654066,
                2395998.485843261,
                36.1642984455704
              ],
              [
                609999.7466654066,
                2395998.485843261,
                -10.435701554429599
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:29:49+00:00",
        "end_time": "2013-09-22T00:22:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1096.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1096.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1096.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1096.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9368584,
            21.66379776,
            -10.43570155,
            -157.9271277,
            21.6728933,
            36.16429845
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.93685836651252,
                  21.6638599278512,
                  -10.435701554429599
                ],
                [
                  -157.9367921487179,
                  21.672893296158847,
                  -10.435701554429599
                ],
                [
                  -157.92712770141324,
                  21.672831097580126,
                  36.1642984455704
                ],
                [
                  -157.92719452179298,
                  21.663797757571476,
                  36.1642984455704
                ],
                [
                  -157.93685836651252,
                  21.6638599278512,
                  -10.435701554429599
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1096.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1096.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:29:49Z",
            "pc:count": 3079542,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610452.1614,
                "count": 3079542,
                "maximum": 610999.7667,
                "minimum": 609999.7467,
                "name": "X",
                "position": 0,
                "stddev": 289.0907831,
                "variance": 83573.48087
              },
              {
                "average": 2396438.443,
                "count": 3079542,
                "maximum": 2396998.486,
                "minimum": 2395998.486,
                "name": "Y",
                "position": 1,
                "stddev": 297.1835016,
                "variance": 88318.0336
              },
              {
                "average": -1.830058871,
                "count": 3079542,
                "maximum": 36.16429845,
                "minimum": -10.43570155,
                "name": "Z",
                "position": 2,
                "stddev": 4.496404493,
                "variance": 20.21765337
              },
              {
                "average": 11.97816266,
                "count": 3079542,
                "maximum": 8973,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 40.14811758,
                "variance": 1611.871345
              },
              {
                "average": 1.071625911,
                "count": 3079542,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3280706672,
                "variance": 0.1076303627
              },
              {
                "average": 1.11676574,
                "count": 3079542,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4785791063,
                "variance": 0.229037961
              },
              {
                "average": 1,
                "count": 3079542,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3079542,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.02331223,
                "count": 3079542,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.584015365,
                "variance": 73.68531979
              },
              {
                "average": 20.05165593,
                "count": 3079542,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.332546986,
                "variance": 5.440775441
              },
              {
                "average": 95.84264283,
                "count": 3079542,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.88860173,
                "variance": 5025.193855
              },
              {
                "average": 4.769308553,
                "count": 3079542,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.510118468,
                "variance": 2.280457789
              },
              {
                "average": 63846760.19,
                "count": 3079542,
                "maximum": 63848589.82,
                "minimum": 63844572.04,
                "name": "GpsTime",
                "position": 12,
                "stddev": 808.6349629,
                "variance": 653890.5033
              },
              {
                "average": 0,
                "count": 3079542,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3079542,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3079542,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3079542,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3079542,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.7467,
              2395998.486,
              -10.43570155,
              610999.7667,
              2396998.486,
              36.16429845
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.7466654066,
                    2395998.485843261,
                    -10.435701554429599
                  ],
                  [
                    609999.7466654066,
                    2396998.485843261,
                    -10.435701554429599
                  ],
                  [
                    610999.7666654066,
                    2396998.485843261,
                    36.1642984455704
                  ],
                  [
                    610999.7666654066,
                    2395998.485843261,
                    36.1642984455704
                  ],
                  [
                    609999.7466654066,
                    2395998.485843261,
                    -10.435701554429599
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:29:49+00:00",
            "end_time": "2013-09-22T00:22:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1659.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88143483551048,
              21.32924306190195,
              7.336560545097511
            ],
            [
              -157.8814130026111,
              21.332123323205074,
              7.336560545097511
            ],
            [
              -157.87778910306565,
              21.33209917067409,
              31.09656054509751
            ],
            [
              -157.8778110065648,
              21.329218912984874,
              31.09656054509751
            ],
            [
              -157.88143483551048,
              21.32924306190195,
              7.336560545097511
            ]
          ]
        ]
      },
      "bbox": [
        -157.8814348,
        21.32921891,
        7.336560545,
        -157.8777891,
        21.33212332,
        31.09656055
      ],
      "properties": {
        "datetime": "2013-09-15T10:08:29Z",
        "pc:count": 265907,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616147.3153,
            "count": 265907,
            "maximum": 616375.6216,
            "minimum": 615999.7616,
            "name": "X",
            "position": 0,
            "stddev": 97.78361651,
            "variance": 9561.635658
          },
          {
            "average": 2359143.956,
            "count": 265907,
            "maximum": 2359317.293,
            "minimum": 2358998.453,
            "name": "Y",
            "position": 1,
            "stddev": 88.33881765,
            "variance": 7803.746704
          },
          {
            "average": 13.21735533,
            "count": 265907,
            "maximum": 31.09656055,
            "minimum": 7.336560545,
            "name": "Z",
            "position": 2,
            "stddev": 3.197189843,
            "variance": 10.22202289
          },
          {
            "average": 23.70583324,
            "count": 265907,
            "maximum": 837,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 47.41167342,
            "variance": 2247.866776
          },
          {
            "average": 1.324327678,
            "count": 265907,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6173630668,
            "variance": 0.3811371563
          },
          {
            "average": 1.594414589,
            "count": 265907,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8421130893,
            "variance": 0.7091544551
          },
          {
            "average": 1,
            "count": 265907,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 265907,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.245454238,
            "count": 265907,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4303570046,
            "variance": 0.1852071514
          },
          {
            "average": 0,
            "count": 265907,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.37859853,
            "count": 265907,
            "maximum": 192,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.29030085,
            "variance": 4133.242784
          },
          {
            "average": 4,
            "count": 265907,
            "maximum": 4,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63274907.11,
            "count": 265907,
            "maximum": 63274909.15,
            "minimum": 63274903.37,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.519698655,
            "variance": 2.309484001
          },
          {
            "average": 0,
            "count": 265907,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 265907,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 265907,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 265907,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 265907,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7616,
          2358998.453,
          7.336560545,
          616375.6216,
          2359317.293,
          31.09656055
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.7615797409,
                2358998.4528937154,
                7.336560545097511
              ],
              [
                615999.7615797409,
                2359317.292893715,
                7.336560545097511
              ],
              [
                616375.621579741,
                2359317.292893715,
                31.09656054509751
              ],
              [
                616375.621579741,
                2358998.4528937154,
                31.09656054509751
              ],
              [
                615999.7615797409,
                2358998.4528937154,
                7.336560545097511
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:08:29+00:00",
        "end_time": "2013-09-15T10:08:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1659.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1659.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1659.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1659.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8814348,
            21.32921891,
            7.336560545,
            -157.8777891,
            21.33212332,
            31.09656055
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88143483551048,
                  21.32924306190195,
                  7.336560545097511
                ],
                [
                  -157.8814130026111,
                  21.332123323205074,
                  7.336560545097511
                ],
                [
                  -157.87778910306565,
                  21.33209917067409,
                  31.09656054509751
                ],
                [
                  -157.8778110065648,
                  21.329218912984874,
                  31.09656054509751
                ],
                [
                  -157.88143483551048,
                  21.32924306190195,
                  7.336560545097511
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1659.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1659.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:08:29Z",
            "pc:count": 265907,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616147.3153,
                "count": 265907,
                "maximum": 616375.6216,
                "minimum": 615999.7616,
                "name": "X",
                "position": 0,
                "stddev": 97.78361651,
                "variance": 9561.635658
              },
              {
                "average": 2359143.956,
                "count": 265907,
                "maximum": 2359317.293,
                "minimum": 2358998.453,
                "name": "Y",
                "position": 1,
                "stddev": 88.33881765,
                "variance": 7803.746704
              },
              {
                "average": 13.21735533,
                "count": 265907,
                "maximum": 31.09656055,
                "minimum": 7.336560545,
                "name": "Z",
                "position": 2,
                "stddev": 3.197189843,
                "variance": 10.22202289
              },
              {
                "average": 23.70583324,
                "count": 265907,
                "maximum": 837,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 47.41167342,
                "variance": 2247.866776
              },
              {
                "average": 1.324327678,
                "count": 265907,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6173630668,
                "variance": 0.3811371563
              },
              {
                "average": 1.594414589,
                "count": 265907,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8421130893,
                "variance": 0.7091544551
              },
              {
                "average": 1,
                "count": 265907,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 265907,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.245454238,
                "count": 265907,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4303570046,
                "variance": 0.1852071514
              },
              {
                "average": 0,
                "count": 265907,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.37859853,
                "count": 265907,
                "maximum": 192,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.29030085,
                "variance": 4133.242784
              },
              {
                "average": 4,
                "count": 265907,
                "maximum": 4,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63274907.11,
                "count": 265907,
                "maximum": 63274909.15,
                "minimum": 63274903.37,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.519698655,
                "variance": 2.309484001
              },
              {
                "average": 0,
                "count": 265907,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 265907,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 265907,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 265907,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 265907,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7616,
              2358998.453,
              7.336560545,
              616375.6216,
              2359317.293,
              31.09656055
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.7615797409,
                    2358998.4528937154,
                    7.336560545097511
                  ],
                  [
                    615999.7615797409,
                    2359317.292893715,
                    7.336560545097511
                  ],
                  [
                    616375.621579741,
                    2359317.292893715,
                    31.09656054509751
                  ],
                  [
                    616375.621579741,
                    2358998.4528937154,
                    31.09656054509751
                  ],
                  [
                    615999.7615797409,
                    2358998.4528937154,
                    7.336560545097511
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:08:29+00:00",
            "end_time": "2013-09-15T10:08:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130923_ncmp_hi_oahu_4qfj1682.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8785027395688,
              21.544934137774018,
              3.842003709959663
            ],
            [
              -157.87849426110458,
              21.546037468163014,
              3.842003709959663
            ],
            [
              -157.87442690862179,
              21.5460100629216,
              92.10200370995966
            ],
            [
              -157.87443541781633,
              21.544906734089697,
              92.10200370995966
            ],
            [
              -157.8785027395688,
              21.544934137774018,
              3.842003709959663
            ]
          ]
        ]
      },
      "bbox": [
        -157.8785027,
        21.54490673,
        3.84200371,
        -157.8744269,
        21.54603747,
        92.10200371
      ],
      "properties": {
        "datetime": "2013-09-23T22:42:00Z",
        "pc:count": 70032,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616318.4377,
            "count": 70032,
            "maximum": 616554.2912,
            "minimum": 616133.0512,
            "name": "X",
            "position": 0,
            "stddev": 98.24612895,
            "variance": 9652.301854
          },
          {
            "average": 2382961.257,
            "count": 70032,
            "maximum": 2382998.492,
            "minimum": 2382876.352,
            "name": "Y",
            "position": 1,
            "stddev": 29.63271841,
            "variance": 878.0980002
          },
          {
            "average": 37.28258273,
            "count": 70032,
            "maximum": 92.10200371,
            "minimum": 3.84200371,
            "name": "Z",
            "position": 2,
            "stddev": 21.90156525,
            "variance": 479.6785606
          },
          {
            "average": 6.161768906,
            "count": 70032,
            "maximum": 162,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 9.516581615,
            "variance": 90.56532564
          },
          {
            "average": 1.927761595,
            "count": 70032,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.03261451,
            "variance": 1.066292726
          },
          {
            "average": 2.831505597,
            "count": 70032,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.262301585,
            "variance": 1.593405293
          },
          {
            "average": 1,
            "count": 70032,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 70032,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.102610235,
            "count": 70032,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3034512972,
            "variance": 0.09208268979
          },
          {
            "average": 23.584844,
            "count": 70032,
            "maximum": 25.00200081,
            "minimum": 19.99799919,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.8788538652,
            "variance": 0.7723841164
          },
          {
            "average": 93.13582362,
            "count": 70032,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.22924823,
            "variance": 4792.68881
          },
          {
            "average": 1.597112748,
            "count": 70032,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.197837676,
            "variance": 1.434815099
          },
          {
            "average": 64010460.95,
            "count": 70032,
            "maximum": 64011320.88,
            "minimum": 64010246.29,
            "name": "GpsTime",
            "position": 12,
            "stddev": 428.5602866,
            "variance": 183663.9192
          },
          {
            "average": 0,
            "count": 70032,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 70032,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 70032,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 70032,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 70032,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616133.0512,
          2382876.352,
          3.84200371,
          616554.2912,
          2382998.492,
          92.10200371
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616133.0512265967,
                2382876.352233187,
                3.842003709959663
              ],
              [
                616133.0512265967,
                2382998.4922331865,
                3.842003709959663
              ],
              [
                616554.2912265967,
                2382998.4922331865,
                92.10200370995966
              ],
              [
                616554.2912265967,
                2382876.352233187,
                92.10200370995966
              ],
              [
                616133.0512265967,
                2382876.352233187,
                3.842003709959663
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T22:42:00+00:00",
        "end_time": "2013-09-23T22:24:06+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130923_ncmp_hi_oahu_4qfj1682.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130923_ncmp_hi_oahu_4qfj1682.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130923_ncmp_hi_oahu_4qfj1682.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1682.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8785027,
            21.54490673,
            3.84200371,
            -157.8744269,
            21.54603747,
            92.10200371
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8785027395688,
                  21.544934137774018,
                  3.842003709959663
                ],
                [
                  -157.87849426110458,
                  21.546037468163014,
                  3.842003709959663
                ],
                [
                  -157.87442690862179,
                  21.5460100629216,
                  92.10200370995966
                ],
                [
                  -157.87443541781633,
                  21.544906734089697,
                  92.10200370995966
                ],
                [
                  -157.8785027395688,
                  21.544934137774018,
                  3.842003709959663
                ]
              ]
            ]
          },
          "id": "20130923_ncmp_hi_oahu_4qfj1682.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1682.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T22:42:00Z",
            "pc:count": 70032,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616318.4377,
                "count": 70032,
                "maximum": 616554.2912,
                "minimum": 616133.0512,
                "name": "X",
                "position": 0,
                "stddev": 98.24612895,
                "variance": 9652.301854
              },
              {
                "average": 2382961.257,
                "count": 70032,
                "maximum": 2382998.492,
                "minimum": 2382876.352,
                "name": "Y",
                "position": 1,
                "stddev": 29.63271841,
                "variance": 878.0980002
              },
              {
                "average": 37.28258273,
                "count": 70032,
                "maximum": 92.10200371,
                "minimum": 3.84200371,
                "name": "Z",
                "position": 2,
                "stddev": 21.90156525,
                "variance": 479.6785606
              },
              {
                "average": 6.161768906,
                "count": 70032,
                "maximum": 162,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 9.516581615,
                "variance": 90.56532564
              },
              {
                "average": 1.927761595,
                "count": 70032,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.03261451,
                "variance": 1.066292726
              },
              {
                "average": 2.831505597,
                "count": 70032,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.262301585,
                "variance": 1.593405293
              },
              {
                "average": 1,
                "count": 70032,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 70032,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.102610235,
                "count": 70032,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3034512972,
                "variance": 0.09208268979
              },
              {
                "average": 23.584844,
                "count": 70032,
                "maximum": 25.00200081,
                "minimum": 19.99799919,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.8788538652,
                "variance": 0.7723841164
              },
              {
                "average": 93.13582362,
                "count": 70032,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.22924823,
                "variance": 4792.68881
              },
              {
                "average": 1.597112748,
                "count": 70032,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.197837676,
                "variance": 1.434815099
              },
              {
                "average": 64010460.95,
                "count": 70032,
                "maximum": 64011320.88,
                "minimum": 64010246.29,
                "name": "GpsTime",
                "position": 12,
                "stddev": 428.5602866,
                "variance": 183663.9192
              },
              {
                "average": 0,
                "count": 70032,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 70032,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 70032,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 70032,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 70032,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616133.0512,
              2382876.352,
              3.84200371,
              616554.2912,
              2382998.492,
              92.10200371
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616133.0512265967,
                    2382876.352233187,
                    3.842003709959663
                  ],
                  [
                    616133.0512265967,
                    2382998.4922331865,
                    3.842003709959663
                  ],
                  [
                    616554.2912265967,
                    2382998.4922331865,
                    92.10200370995966
                  ],
                  [
                    616554.2912265967,
                    2382876.352233187,
                    92.10200370995966
                  ],
                  [
                    616133.0512265967,
                    2382876.352233187,
                    3.842003709959663
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T22:42:00+00:00",
            "end_time": "2013-09-23T22:24:06+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0955.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9491832504146,
              21.293543374134142,
              -40.01373322818921
            ],
            [
              -157.94911903010583,
              21.302577177636298,
              -40.01373322818921
            ],
            [
              -157.93947894155949,
              21.30251670686782,
              -2.99373322818921
            ],
            [
              -157.93954375092795,
              21.29348293086659,
              -2.99373322818921
            ],
            [
              -157.9491832504146,
              21.293543374134142,
              -40.01373322818921
            ]
          ]
        ]
      },
      "bbox": [
        -157.9491833,
        21.29348293,
        -40.01373323,
        -157.9394789,
        21.30257718,
        -2.993733228
      ],
      "properties": {
        "datetime": "2013-09-17T12:16:17Z",
        "pc:count": 2041938,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609462.3692,
            "count": 2041938,
            "maximum": 609999.7495,
            "minimum": 608999.7295,
            "name": "X",
            "position": 0,
            "stddev": 287.7528325,
            "variance": 82801.6926
          },
          {
            "average": 2355665.529,
            "count": 2041938,
            "maximum": 2355998.449,
            "minimum": 2354998.449,
            "name": "Y",
            "position": 1,
            "stddev": 243.5596555,
            "variance": 59321.30577
          },
          {
            "average": -12.99628328,
            "count": 2041938,
            "maximum": -2.993733228,
            "minimum": -40.01373323,
            "name": "Z",
            "position": 2,
            "stddev": 5.202221048,
            "variance": 27.06310383
          },
          {
            "average": 68.34667311,
            "count": 2041938,
            "maximum": 2152,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 154.7545698,
            "variance": 23948.97688
          },
          {
            "average": 1.00396633,
            "count": 2041938,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06301721107,
            "variance": 0.003971168892
          },
          {
            "average": 1.005575096,
            "count": 2041938,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07470111737,
            "variance": 0.005580256937
          },
          {
            "average": 1,
            "count": 2041938,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2041938,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2041938,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2041938,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 157.0556359,
            "count": 2041938,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.89373391,
            "variance": 7902.095929
          },
          {
            "average": 7.753624743,
            "count": 2041938,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.613778489,
            "variance": 31.51450892
          },
          {
            "average": 63381755.47,
            "count": 2041938,
            "maximum": 63455377.96,
            "minimum": 63275544.25,
            "name": "GpsTime",
            "position": 12,
            "stddev": 58009.06373,
            "variance": 3365051474
          },
          {
            "average": 0,
            "count": 2041938,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2041938,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2041938,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2041938,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2041938,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608999.7295,
          2354998.449,
          -40.01373323,
          609999.7495,
          2355998.449,
          -2.993733228
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608999.7295477582,
                2354998.4487059144,
                -40.01373322818921
              ],
              [
                608999.7295477582,
                2355998.4487059144,
                -40.01373322818921
              ],
              [
                609999.7495477583,
                2355998.4487059144,
                -2.99373322818921
              ],
              [
                609999.7495477583,
                2354998.4487059144,
                -2.99373322818921
              ],
              [
                608999.7295477582,
                2354998.4487059144,
                -40.01373322818921
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:16:17+00:00",
        "end_time": "2013-09-15T10:19:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0955.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0955.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0955.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0955.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9491833,
            21.29348293,
            -40.01373323,
            -157.9394789,
            21.30257718,
            -2.993733228
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9491832504146,
                  21.293543374134142,
                  -40.01373322818921
                ],
                [
                  -157.94911903010583,
                  21.302577177636298,
                  -40.01373322818921
                ],
                [
                  -157.93947894155949,
                  21.30251670686782,
                  -2.99373322818921
                ],
                [
                  -157.93954375092795,
                  21.29348293086659,
                  -2.99373322818921
                ],
                [
                  -157.9491832504146,
                  21.293543374134142,
                  -40.01373322818921
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0955.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0955.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:16:17Z",
            "pc:count": 2041938,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609462.3692,
                "count": 2041938,
                "maximum": 609999.7495,
                "minimum": 608999.7295,
                "name": "X",
                "position": 0,
                "stddev": 287.7528325,
                "variance": 82801.6926
              },
              {
                "average": 2355665.529,
                "count": 2041938,
                "maximum": 2355998.449,
                "minimum": 2354998.449,
                "name": "Y",
                "position": 1,
                "stddev": 243.5596555,
                "variance": 59321.30577
              },
              {
                "average": -12.99628328,
                "count": 2041938,
                "maximum": -2.993733228,
                "minimum": -40.01373323,
                "name": "Z",
                "position": 2,
                "stddev": 5.202221048,
                "variance": 27.06310383
              },
              {
                "average": 68.34667311,
                "count": 2041938,
                "maximum": 2152,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 154.7545698,
                "variance": 23948.97688
              },
              {
                "average": 1.00396633,
                "count": 2041938,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06301721107,
                "variance": 0.003971168892
              },
              {
                "average": 1.005575096,
                "count": 2041938,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07470111737,
                "variance": 0.005580256937
              },
              {
                "average": 1,
                "count": 2041938,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2041938,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2041938,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2041938,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 157.0556359,
                "count": 2041938,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.89373391,
                "variance": 7902.095929
              },
              {
                "average": 7.753624743,
                "count": 2041938,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.613778489,
                "variance": 31.51450892
              },
              {
                "average": 63381755.47,
                "count": 2041938,
                "maximum": 63455377.96,
                "minimum": 63275544.25,
                "name": "GpsTime",
                "position": 12,
                "stddev": 58009.06373,
                "variance": 3365051474
              },
              {
                "average": 0,
                "count": 2041938,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2041938,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2041938,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2041938,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2041938,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608999.7295,
              2354998.449,
              -40.01373323,
              609999.7495,
              2355998.449,
              -2.993733228
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608999.7295477582,
                    2354998.4487059144,
                    -40.01373322818921
                  ],
                  [
                    608999.7295477582,
                    2355998.4487059144,
                    -40.01373322818921
                  ],
                  [
                    609999.7495477583,
                    2355998.4487059144,
                    -2.99373322818921
                  ],
                  [
                    609999.7495477583,
                    2354998.4487059144,
                    -2.99373322818921
                  ],
                  [
                    608999.7295477582,
                    2354998.4487059144,
                    -40.01373322818921
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:16:17+00:00",
            "end_time": "2013-09-15T10:19:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1390.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90827470069405,
              21.609471816318738,
              -26.548309351140123
            ],
            [
              -157.90820689393266,
              21.61850515782618,
              -26.548309351140123
            ],
            [
              -157.89854614967183,
              21.61844144974183,
              0.391690648859878
            ],
            [
              -157.89861455578617,
              21.609408137691922,
              0.391690648859878
            ],
            [
              -157.90827470069405,
              21.609471816318738,
              -26.548309351140123
            ]
          ]
        ]
      },
      "bbox": [
        -157.9082747,
        21.60940814,
        -26.54830935,
        -157.8985461,
        21.61850516,
        0.3916906489
      ],
      "properties": {
        "datetime": "2013-09-22T02:11:18Z",
        "pc:count": 2506640,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613468.689,
            "count": 2506640,
            "maximum": 613999.7868,
            "minimum": 612999.7668,
            "name": "X",
            "position": 0,
            "stddev": 271.0567297,
            "variance": 73471.75073
          },
          {
            "average": 2390486.927,
            "count": 2506640,
            "maximum": 2390998.484,
            "minimum": 2389998.484,
            "name": "Y",
            "position": 1,
            "stddev": 331.7211903,
            "variance": 110038.9481
          },
          {
            "average": -4.480483134,
            "count": 2506640,
            "maximum": 0.3916906489,
            "minimum": -26.54830935,
            "name": "Z",
            "position": 2,
            "stddev": 2.706417458,
            "variance": 7.324695456
          },
          {
            "average": 7.517635959,
            "count": 2506640,
            "maximum": 8176,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.7330068,
            "variance": 769.119666
          },
          {
            "average": 1.015202422,
            "count": 2506640,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1243046224,
            "variance": 0.01545163914
          },
          {
            "average": 1.022815402,
            "count": 2506640,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1518211585,
            "variance": 0.02304966417
          },
          {
            "average": 1,
            "count": 2506640,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2506640,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2506640,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.98333165,
            "count": 2506640,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.689976062,
            "variance": 7.235971216
          },
          {
            "average": 101.973344,
            "count": 2506640,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 75.11449457,
            "variance": 5642.187294
          },
          {
            "average": 8.189795104,
            "count": 2506640,
            "maximum": 12,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.541044444,
            "variance": 2.374817977
          },
          {
            "average": 63848825.22,
            "count": 2506640,
            "maximum": 63851078.09,
            "minimum": 63846369.69,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1037.084071,
            "variance": 1075543.37
          },
          {
            "average": 0,
            "count": 2506640,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2506640,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2506640,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2506640,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2506640,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7668,
          2389998.484,
          -26.54830935,
          613999.7868,
          2390998.484,
          0.3916906489
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.7668257562,
                2389998.4839257523,
                -26.548309351140123
              ],
              [
                612999.7668257562,
                2390998.4839257523,
                -26.548309351140123
              ],
              [
                613999.7868257562,
                2390998.4839257523,
                0.391690648859878
              ],
              [
                613999.7868257562,
                2389998.4839257523,
                0.391690648859878
              ],
              [
                612999.7668257562,
                2389998.4839257523,
                -26.548309351140123
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:11:18+00:00",
        "end_time": "2013-09-22T00:52:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1390.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1390.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1390.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1390.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9082747,
            21.60940814,
            -26.54830935,
            -157.8985461,
            21.61850516,
            0.3916906489
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90827470069405,
                  21.609471816318738,
                  -26.548309351140123
                ],
                [
                  -157.90820689393266,
                  21.61850515782618,
                  -26.548309351140123
                ],
                [
                  -157.89854614967183,
                  21.61844144974183,
                  0.391690648859878
                ],
                [
                  -157.89861455578617,
                  21.609408137691922,
                  0.391690648859878
                ],
                [
                  -157.90827470069405,
                  21.609471816318738,
                  -26.548309351140123
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1390.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1390.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:11:18Z",
            "pc:count": 2506640,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613468.689,
                "count": 2506640,
                "maximum": 613999.7868,
                "minimum": 612999.7668,
                "name": "X",
                "position": 0,
                "stddev": 271.0567297,
                "variance": 73471.75073
              },
              {
                "average": 2390486.927,
                "count": 2506640,
                "maximum": 2390998.484,
                "minimum": 2389998.484,
                "name": "Y",
                "position": 1,
                "stddev": 331.7211903,
                "variance": 110038.9481
              },
              {
                "average": -4.480483134,
                "count": 2506640,
                "maximum": 0.3916906489,
                "minimum": -26.54830935,
                "name": "Z",
                "position": 2,
                "stddev": 2.706417458,
                "variance": 7.324695456
              },
              {
                "average": 7.517635959,
                "count": 2506640,
                "maximum": 8176,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.7330068,
                "variance": 769.119666
              },
              {
                "average": 1.015202422,
                "count": 2506640,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1243046224,
                "variance": 0.01545163914
              },
              {
                "average": 1.022815402,
                "count": 2506640,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1518211585,
                "variance": 0.02304966417
              },
              {
                "average": 1,
                "count": 2506640,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2506640,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2506640,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.98333165,
                "count": 2506640,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.689976062,
                "variance": 7.235971216
              },
              {
                "average": 101.973344,
                "count": 2506640,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 75.11449457,
                "variance": 5642.187294
              },
              {
                "average": 8.189795104,
                "count": 2506640,
                "maximum": 12,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.541044444,
                "variance": 2.374817977
              },
              {
                "average": 63848825.22,
                "count": 2506640,
                "maximum": 63851078.09,
                "minimum": 63846369.69,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1037.084071,
                "variance": 1075543.37
              },
              {
                "average": 0,
                "count": 2506640,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2506640,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2506640,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2506640,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2506640,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7668,
              2389998.484,
              -26.54830935,
              613999.7868,
              2390998.484,
              0.3916906489
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.7668257562,
                    2389998.4839257523,
                    -26.548309351140123
                  ],
                  [
                    612999.7668257562,
                    2390998.4839257523,
                    -26.548309351140123
                  ],
                  [
                    613999.7868257562,
                    2390998.4839257523,
                    0.391690648859878
                  ],
                  [
                    613999.7868257562,
                    2389998.4839257523,
                    0.391690648859878
                  ],
                  [
                    612999.7668257562,
                    2389998.4839257523,
                    -26.548309351140123
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:11:18+00:00",
            "end_time": "2013-09-22T00:52:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1097.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9367921464327,
              21.672893238235304,
              -14.130563846591365
            ],
            [
              -157.9367258938598,
              21.681926776760598,
              -14.130563846591365
            ],
            [
              -157.9270608414688,
              21.68186455045804,
              10.609436153408637
            ],
            [
              -157.92712769913192,
              21.672831039656607,
              10.609436153408637
            ],
            [
              -157.9367921464327,
              21.672893238235304,
              -14.130563846591365
            ]
          ]
        ]
      },
      "bbox": [
        -157.9367921,
        21.67283104,
        -14.13056385,
        -157.9270608,
        21.68192678,
        10.60943615
      ],
      "properties": {
        "datetime": "2013-09-22T01:11:12Z",
        "pc:count": 2881702,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610522.7769,
            "count": 2881702,
            "maximum": 610999.7669,
            "minimum": 609999.7469,
            "name": "X",
            "position": 0,
            "stddev": 307.601415,
            "variance": 94618.63052
          },
          {
            "average": 2397486.454,
            "count": 2881702,
            "maximum": 2397998.499,
            "minimum": 2396998.479,
            "name": "Y",
            "position": 1,
            "stddev": 308.1541171,
            "variance": 94958.95989
          },
          {
            "average": -4.71439714,
            "count": 2881702,
            "maximum": 10.60943615,
            "minimum": -14.13056385,
            "name": "Z",
            "position": 2,
            "stddev": 4.032810882,
            "variance": 16.26356361
          },
          {
            "average": 13.04066798,
            "count": 2881702,
            "maximum": 7198,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 32.06513725,
            "variance": 1028.173027
          },
          {
            "average": 1.024301264,
            "count": 2881702,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1621111849,
            "variance": 0.02628003627
          },
          {
            "average": 1.032579705,
            "count": 2881702,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1953463306,
            "variance": 0.03816018887
          },
          {
            "average": 1,
            "count": 2881702,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2881702,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 25.1236259,
            "count": 2881702,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.610184953,
            "variance": 92.35565484
          },
          {
            "average": 19.70234508,
            "count": 2881702,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.991432117,
            "variance": 8.948666109
          },
          {
            "average": 101.3351974,
            "count": 2881702,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.39304675,
            "variance": 4955.181031
          },
          {
            "average": 3.665454998,
            "count": 2881702,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.763465269,
            "variance": 3.109809755
          },
          {
            "average": 63840980.21,
            "count": 2881702,
            "maximum": 63847472.53,
            "minimum": 63831789.33,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6194.318392,
            "variance": 38369580.35
          },
          {
            "average": 0,
            "count": 2881702,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2881702,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2881702,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2881702,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2881702,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.7469,
          2396998.479,
          -14.13056385,
          610999.7669,
          2397998.499,
          10.60943615
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.7469457977,
                2396998.479433004,
                -14.130563846591365
              ],
              [
                609999.7469457977,
                2397998.4994330034,
                -14.130563846591365
              ],
              [
                610999.7669457977,
                2397998.4994330034,
                10.609436153408637
              ],
              [
                610999.7669457977,
                2396998.479433004,
                10.609436153408637
              ],
              [
                609999.7469457977,
                2396998.479433004,
                -14.130563846591365
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:11:12+00:00",
        "end_time": "2013-09-21T20:49:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1097.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1097.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1097.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1097.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9367921,
            21.67283104,
            -14.13056385,
            -157.9270608,
            21.68192678,
            10.60943615
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9367921464327,
                  21.672893238235304,
                  -14.130563846591365
                ],
                [
                  -157.9367258938598,
                  21.681926776760598,
                  -14.130563846591365
                ],
                [
                  -157.9270608414688,
                  21.68186455045804,
                  10.609436153408637
                ],
                [
                  -157.92712769913192,
                  21.672831039656607,
                  10.609436153408637
                ],
                [
                  -157.9367921464327,
                  21.672893238235304,
                  -14.130563846591365
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1097.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1097.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:11:12Z",
            "pc:count": 2881702,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610522.7769,
                "count": 2881702,
                "maximum": 610999.7669,
                "minimum": 609999.7469,
                "name": "X",
                "position": 0,
                "stddev": 307.601415,
                "variance": 94618.63052
              },
              {
                "average": 2397486.454,
                "count": 2881702,
                "maximum": 2397998.499,
                "minimum": 2396998.479,
                "name": "Y",
                "position": 1,
                "stddev": 308.1541171,
                "variance": 94958.95989
              },
              {
                "average": -4.71439714,
                "count": 2881702,
                "maximum": 10.60943615,
                "minimum": -14.13056385,
                "name": "Z",
                "position": 2,
                "stddev": 4.032810882,
                "variance": 16.26356361
              },
              {
                "average": 13.04066798,
                "count": 2881702,
                "maximum": 7198,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 32.06513725,
                "variance": 1028.173027
              },
              {
                "average": 1.024301264,
                "count": 2881702,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1621111849,
                "variance": 0.02628003627
              },
              {
                "average": 1.032579705,
                "count": 2881702,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1953463306,
                "variance": 0.03816018887
              },
              {
                "average": 1,
                "count": 2881702,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2881702,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 25.1236259,
                "count": 2881702,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.610184953,
                "variance": 92.35565484
              },
              {
                "average": 19.70234508,
                "count": 2881702,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.991432117,
                "variance": 8.948666109
              },
              {
                "average": 101.3351974,
                "count": 2881702,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.39304675,
                "variance": 4955.181031
              },
              {
                "average": 3.665454998,
                "count": 2881702,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.763465269,
                "variance": 3.109809755
              },
              {
                "average": 63840980.21,
                "count": 2881702,
                "maximum": 63847472.53,
                "minimum": 63831789.33,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6194.318392,
                "variance": 38369580.35
              },
              {
                "average": 0,
                "count": 2881702,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2881702,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2881702,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2881702,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2881702,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.7469,
              2396998.479,
              -14.13056385,
              610999.7669,
              2397998.499,
              10.60943615
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.7469457977,
                    2396998.479433004,
                    -14.130563846591365
                  ],
                  [
                    609999.7469457977,
                    2397998.4994330034,
                    -14.130563846591365
                  ],
                  [
                    610999.7669457977,
                    2397998.4994330034,
                    10.609436153408637
                  ],
                  [
                    610999.7669457977,
                    2396998.479433004,
                    10.609436153408637
                  ],
                  [
                    609999.7469457977,
                    2396998.479433004,
                    -14.130563846591365
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:11:12+00:00",
            "end_time": "2013-09-21T20:49:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1786.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86991521563908,
              21.573080757992628,
              -15.23465118808909
            ],
            [
              -157.86984514362217,
              21.58211402411168,
              -15.23465118808909
            ],
            [
              -157.86018712936422,
              21.582048196400645,
              0.92534881191091
            ],
            [
              -157.86025779964723,
              21.57301496069926,
              0.92534881191091
            ],
            [
              -157.86991521563908,
              21.573080757992628,
              -15.23465118808909
            ]
          ]
        ]
      },
      "bbox": [
        -157.8699152,
        21.57301496,
        -15.23465119,
        -157.8601871,
        21.58211402,
        0.9253488119
      ],
      "properties": {
        "datetime": "2013-09-23T23:11:41Z",
        "pc:count": 5679592,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617532.5012,
            "count": 5679592,
            "maximum": 617999.8044,
            "minimum": 616999.8044,
            "name": "X",
            "position": 0,
            "stddev": 269.7778429,
            "variance": 72780.08449
          },
          {
            "average": 2386481.464,
            "count": 5679592,
            "maximum": 2386998.485,
            "minimum": 2385998.485,
            "name": "Y",
            "position": 1,
            "stddev": 277.0304562,
            "variance": 76745.87366
          },
          {
            "average": -5.12258083,
            "count": 5679592,
            "maximum": 0.9253488119,
            "minimum": -15.23465119,
            "name": "Z",
            "position": 2,
            "stddev": 1.793499244,
            "variance": 3.216639538
          },
          {
            "average": 5.333451769,
            "count": 5679592,
            "maximum": 8848,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.94512033,
            "variance": 254.2468624
          },
          {
            "average": 1.016840294,
            "count": 5679592,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1304314693,
            "variance": 0.01701236818
          },
          {
            "average": 1.02852388,
            "count": 5679592,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1688813039,
            "variance": 0.02852089479
          },
          {
            "average": 1,
            "count": 5679592,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5679592,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5679592,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.77945083,
            "count": 5679592,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.592074879,
            "variance": 12.90300194
          },
          {
            "average": 91.20574277,
            "count": 5679592,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 65.77323907,
            "variance": 4326.118977
          },
          {
            "average": 3.974307662,
            "count": 5679592,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.29988496,
            "variance": 5.28947083
          },
          {
            "average": 63887186.75,
            "count": 5679592,
            "maximum": 64013101.43,
            "minimum": 63831609.54,
            "name": "GpsTime",
            "position": 12,
            "stddev": 74908.29716,
            "variance": 5611252983
          },
          {
            "average": 0,
            "count": 5679592,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5679592,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5679592,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5679592,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5679592,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.8044,
          2385998.485,
          -15.23465119,
          617999.8044,
          2386998.485,
          0.9253488119
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.8044196559,
                2385998.4851477724,
                -15.23465118808909
              ],
              [
                616999.8044196559,
                2386998.4851477724,
                -15.23465118808909
              ],
              [
                617999.8044196559,
                2386998.4851477724,
                0.92534881191091
              ],
              [
                617999.8044196559,
                2385998.4851477724,
                0.92534881191091
              ],
              [
                616999.8044196559,
                2385998.4851477724,
                -15.23465118808909
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:11:41+00:00",
        "end_time": "2013-09-21T20:46:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1786.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1786.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1786.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1786.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8699152,
            21.57301496,
            -15.23465119,
            -157.8601871,
            21.58211402,
            0.9253488119
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86991521563908,
                  21.573080757992628,
                  -15.23465118808909
                ],
                [
                  -157.86984514362217,
                  21.58211402411168,
                  -15.23465118808909
                ],
                [
                  -157.86018712936422,
                  21.582048196400645,
                  0.92534881191091
                ],
                [
                  -157.86025779964723,
                  21.57301496069926,
                  0.92534881191091
                ],
                [
                  -157.86991521563908,
                  21.573080757992628,
                  -15.23465118808909
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1786.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1786.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:11:41Z",
            "pc:count": 5679592,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617532.5012,
                "count": 5679592,
                "maximum": 617999.8044,
                "minimum": 616999.8044,
                "name": "X",
                "position": 0,
                "stddev": 269.7778429,
                "variance": 72780.08449
              },
              {
                "average": 2386481.464,
                "count": 5679592,
                "maximum": 2386998.485,
                "minimum": 2385998.485,
                "name": "Y",
                "position": 1,
                "stddev": 277.0304562,
                "variance": 76745.87366
              },
              {
                "average": -5.12258083,
                "count": 5679592,
                "maximum": 0.9253488119,
                "minimum": -15.23465119,
                "name": "Z",
                "position": 2,
                "stddev": 1.793499244,
                "variance": 3.216639538
              },
              {
                "average": 5.333451769,
                "count": 5679592,
                "maximum": 8848,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.94512033,
                "variance": 254.2468624
              },
              {
                "average": 1.016840294,
                "count": 5679592,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1304314693,
                "variance": 0.01701236818
              },
              {
                "average": 1.02852388,
                "count": 5679592,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1688813039,
                "variance": 0.02852089479
              },
              {
                "average": 1,
                "count": 5679592,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5679592,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5679592,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.77945083,
                "count": 5679592,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.592074879,
                "variance": 12.90300194
              },
              {
                "average": 91.20574277,
                "count": 5679592,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 65.77323907,
                "variance": 4326.118977
              },
              {
                "average": 3.974307662,
                "count": 5679592,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.29988496,
                "variance": 5.28947083
              },
              {
                "average": 63887186.75,
                "count": 5679592,
                "maximum": 64013101.43,
                "minimum": 63831609.54,
                "name": "GpsTime",
                "position": 12,
                "stddev": 74908.29716,
                "variance": 5611252983
              },
              {
                "average": 0,
                "count": 5679592,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5679592,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5679592,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5679592,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5679592,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.8044,
              2385998.485,
              -15.23465119,
              617999.8044,
              2386998.485,
              0.9253488119
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.8044196559,
                    2385998.4851477724,
                    -15.23465118808909
                  ],
                  [
                    616999.8044196559,
                    2386998.4851477724,
                    -15.23465118808909
                  ],
                  [
                    617999.8044196559,
                    2386998.4851477724,
                    0.92534881191091
                  ],
                  [
                    617999.8044196559,
                    2385998.4851477724,
                    0.92534881191091
                  ],
                  [
                    616999.8044196559,
                    2385998.4851477724,
                    -15.23465118808909
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:11:41+00:00",
            "end_time": "2013-09-21T20:46:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1391.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90820686048514,
              21.618505150745534,
              -34.65360765082535
            ],
            [
              -157.90813903242199,
              21.627538478633202,
              -34.65360765082535
            ],
            [
              -157.89847788286582,
              21.627474742094808,
              -1.373607650825353
            ],
            [
              -157.89854630943555,
              21.618441443939002,
              -1.373607650825353
            ],
            [
              -157.90820686048514,
              21.618505150745534,
              -34.65360765082535
            ]
          ]
        ]
      },
      "bbox": [
        -157.9082069,
        21.61844144,
        -34.65360765,
        -157.8984779,
        21.62753848,
        -1.373607651
      ],
      "properties": {
        "datetime": "2013-09-22T01:43:27Z",
        "pc:count": 2224088,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613364.9355,
            "count": 2224088,
            "maximum": 613999.7703,
            "minimum": 612999.7703,
            "name": "X",
            "position": 0,
            "stddev": 254.4876913,
            "variance": 64763.98505
          },
          {
            "average": 2391364.397,
            "count": 2224088,
            "maximum": 2391998.483,
            "minimum": 2390998.483,
            "name": "Y",
            "position": 1,
            "stddev": 261.4634537,
            "variance": 68363.13763
          },
          {
            "average": -7.158585547,
            "count": 2224088,
            "maximum": -1.373607651,
            "minimum": -34.65360765,
            "name": "Z",
            "position": 2,
            "stddev": 2.813059035,
            "variance": 7.913301132
          },
          {
            "average": 10.52113406,
            "count": 2224088,
            "maximum": 2940,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.14282737,
            "variance": 329.162185
          },
          {
            "average": 1.0075631,
            "count": 2224088,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08767354926,
            "variance": 0.007686651239
          },
          {
            "average": 1.011361061,
            "count": 2224088,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1073133456,
            "variance": 0.01151615414
          },
          {
            "average": 1,
            "count": 2224088,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2224088,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2224088,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.51449654,
            "count": 2224088,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.571302295,
            "variance": 12.75420008
          },
          {
            "average": 121.2436459,
            "count": 2224088,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 80.79336546,
            "variance": 6527.567903
          },
          {
            "average": 6.212449777,
            "count": 2224088,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.270306746,
            "variance": 1.613679228
          },
          {
            "average": 63847551.99,
            "count": 2224088,
            "maximum": 63849407.83,
            "minimum": 63845239.19,
            "name": "GpsTime",
            "position": 12,
            "stddev": 719.6301443,
            "variance": 517867.5446
          },
          {
            "average": 0,
            "count": 2224088,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2224088,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2224088,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2224088,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2224088,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7703,
          2390998.483,
          -34.65360765,
          613999.7703,
          2391998.483,
          -1.373607651
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.7702933616,
                2390998.4831662644,
                -34.65360765082535
              ],
              [
                612999.7702933616,
                2391998.4831662644,
                -34.65360765082535
              ],
              [
                613999.7702933616,
                2391998.4831662644,
                -1.373607650825353
              ],
              [
                613999.7702933616,
                2390998.4831662644,
                -1.373607650825353
              ],
              [
                612999.7702933616,
                2390998.4831662644,
                -34.65360765082535
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:43:27+00:00",
        "end_time": "2013-09-22T00:33:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1391.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1391.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1391.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1391.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9082069,
            21.61844144,
            -34.65360765,
            -157.8984779,
            21.62753848,
            -1.373607651
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90820686048514,
                  21.618505150745534,
                  -34.65360765082535
                ],
                [
                  -157.90813903242199,
                  21.627538478633202,
                  -34.65360765082535
                ],
                [
                  -157.89847788286582,
                  21.627474742094808,
                  -1.373607650825353
                ],
                [
                  -157.89854630943555,
                  21.618441443939002,
                  -1.373607650825353
                ],
                [
                  -157.90820686048514,
                  21.618505150745534,
                  -34.65360765082535
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1391.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1391.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:43:27Z",
            "pc:count": 2224088,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613364.9355,
                "count": 2224088,
                "maximum": 613999.7703,
                "minimum": 612999.7703,
                "name": "X",
                "position": 0,
                "stddev": 254.4876913,
                "variance": 64763.98505
              },
              {
                "average": 2391364.397,
                "count": 2224088,
                "maximum": 2391998.483,
                "minimum": 2390998.483,
                "name": "Y",
                "position": 1,
                "stddev": 261.4634537,
                "variance": 68363.13763
              },
              {
                "average": -7.158585547,
                "count": 2224088,
                "maximum": -1.373607651,
                "minimum": -34.65360765,
                "name": "Z",
                "position": 2,
                "stddev": 2.813059035,
                "variance": 7.913301132
              },
              {
                "average": 10.52113406,
                "count": 2224088,
                "maximum": 2940,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.14282737,
                "variance": 329.162185
              },
              {
                "average": 1.0075631,
                "count": 2224088,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08767354926,
                "variance": 0.007686651239
              },
              {
                "average": 1.011361061,
                "count": 2224088,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1073133456,
                "variance": 0.01151615414
              },
              {
                "average": 1,
                "count": 2224088,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2224088,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2224088,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.51449654,
                "count": 2224088,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.571302295,
                "variance": 12.75420008
              },
              {
                "average": 121.2436459,
                "count": 2224088,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 80.79336546,
                "variance": 6527.567903
              },
              {
                "average": 6.212449777,
                "count": 2224088,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.270306746,
                "variance": 1.613679228
              },
              {
                "average": 63847551.99,
                "count": 2224088,
                "maximum": 63849407.83,
                "minimum": 63845239.19,
                "name": "GpsTime",
                "position": 12,
                "stddev": 719.6301443,
                "variance": 517867.5446
              },
              {
                "average": 0,
                "count": 2224088,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2224088,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2224088,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2224088,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2224088,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7703,
              2390998.483,
              -34.65360765,
              613999.7703,
              2391998.483,
              -1.373607651
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.7702933616,
                    2390998.4831662644,
                    -34.65360765082535
                  ],
                  [
                    612999.7702933616,
                    2391998.4831662644,
                    -34.65360765082535
                  ],
                  [
                    613999.7702933616,
                    2391998.4831662644,
                    -1.373607650825353
                  ],
                  [
                    613999.7702933616,
                    2390998.4831662644,
                    -1.373607650825353
                  ],
                  [
                    612999.7702933616,
                    2390998.4831662644,
                    -34.65360765082535
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:43:27+00:00",
            "end_time": "2013-09-22T00:33:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj1256.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92019494894717,
              21.302969943508707,
              -9.213717661723408
            ],
            [
              -157.92013313205342,
              21.311427662273147,
              -9.213717661723408
            ],
            [
              -157.9104927387445,
              21.31136550623587,
              10.306282338276592
            ],
            [
              -157.91055510679683,
              21.302907814412983,
              10.306282338276592
            ],
            [
              -157.92019494894717,
              21.302969943508707,
              -9.213717661723408
            ]
          ]
        ]
      },
      "bbox": [
        -157.9201949,
        21.30290781,
        -9.213717662,
        -157.9104927,
        21.31142766,
        10.30628234
      ],
      "properties": {
        "datetime": "2013-09-17T12:09:05Z",
        "pc:count": 4776577,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612502.6633,
            "count": 4776577,
            "maximum": 612999.7546,
            "minimum": 611999.7546,
            "name": "X",
            "position": 0,
            "stddev": 293.4593883,
            "variance": 86118.41258
          },
          {
            "average": 2356468.877,
            "count": 4776577,
            "maximum": 2356998.433,
            "minimum": 2356062.193,
            "name": "Y",
            "position": 1,
            "stddev": 248.64571,
            "variance": 61824.68912
          },
          {
            "average": 2.150826297,
            "count": 4776577,
            "maximum": 10.30628234,
            "minimum": -9.213717662,
            "name": "Z",
            "position": 2,
            "stddev": 1.108180105,
            "variance": 1.228063146
          },
          {
            "average": 37.22379918,
            "count": 4776577,
            "maximum": 2621,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.66112756,
            "variance": 2084.93857
          },
          {
            "average": 1.018712982,
            "count": 4776577,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1487472917,
            "variance": 0.02212575678
          },
          {
            "average": 1.033978935,
            "count": 4776577,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2093265493,
            "variance": 0.04381760426
          },
          {
            "average": 1,
            "count": 4776577,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4776577,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.914727639,
            "count": 4776577,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.22363682,
            "variance": 85.07547618
          },
          {
            "average": 0,
            "count": 4776577,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.47831449,
            "count": 4776577,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.82722179,
            "variance": 4202.568685
          },
          {
            "average": 9.249156247,
            "count": 4776577,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.699379302,
            "variance": 13.68540722
          },
          {
            "average": 63378129.66,
            "count": 4776577,
            "maximum": 63454945,
            "minimum": 63363543.37,
            "name": "GpsTime",
            "position": 12,
            "stddev": 30248.07296,
            "variance": 914945917.6
          },
          {
            "average": 0,
            "count": 4776577,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4776577,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4776577,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4776577,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4776577,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7546,
          2356062.193,
          -9.213717662,
          612999.7546,
          2356998.433,
          10.30628234
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7545621162,
                2356062.1926546227,
                -9.213717661723408
              ],
              [
                611999.7545621162,
                2356998.432654623,
                -9.213717661723408
              ],
              [
                612999.7545621162,
                2356998.432654623,
                10.306282338276592
              ],
              [
                612999.7545621162,
                2356062.1926546227,
                10.306282338276592
              ],
              [
                611999.7545621162,
                2356062.1926546227,
                -9.213717661723408
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:09:05+00:00",
        "end_time": "2013-09-16T10:45:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj1256.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj1256.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj1256.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1256.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9201949,
            21.30290781,
            -9.213717662,
            -157.9104927,
            21.31142766,
            10.30628234
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92019494894717,
                  21.302969943508707,
                  -9.213717661723408
                ],
                [
                  -157.92013313205342,
                  21.311427662273147,
                  -9.213717661723408
                ],
                [
                  -157.9104927387445,
                  21.31136550623587,
                  10.306282338276592
                ],
                [
                  -157.91055510679683,
                  21.302907814412983,
                  10.306282338276592
                ],
                [
                  -157.92019494894717,
                  21.302969943508707,
                  -9.213717661723408
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj1256.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1256.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:09:05Z",
            "pc:count": 4776577,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612502.6633,
                "count": 4776577,
                "maximum": 612999.7546,
                "minimum": 611999.7546,
                "name": "X",
                "position": 0,
                "stddev": 293.4593883,
                "variance": 86118.41258
              },
              {
                "average": 2356468.877,
                "count": 4776577,
                "maximum": 2356998.433,
                "minimum": 2356062.193,
                "name": "Y",
                "position": 1,
                "stddev": 248.64571,
                "variance": 61824.68912
              },
              {
                "average": 2.150826297,
                "count": 4776577,
                "maximum": 10.30628234,
                "minimum": -9.213717662,
                "name": "Z",
                "position": 2,
                "stddev": 1.108180105,
                "variance": 1.228063146
              },
              {
                "average": 37.22379918,
                "count": 4776577,
                "maximum": 2621,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.66112756,
                "variance": 2084.93857
              },
              {
                "average": 1.018712982,
                "count": 4776577,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1487472917,
                "variance": 0.02212575678
              },
              {
                "average": 1.033978935,
                "count": 4776577,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2093265493,
                "variance": 0.04381760426
              },
              {
                "average": 1,
                "count": 4776577,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4776577,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.914727639,
                "count": 4776577,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.22363682,
                "variance": 85.07547618
              },
              {
                "average": 0,
                "count": 4776577,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.47831449,
                "count": 4776577,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.82722179,
                "variance": 4202.568685
              },
              {
                "average": 9.249156247,
                "count": 4776577,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.699379302,
                "variance": 13.68540722
              },
              {
                "average": 63378129.66,
                "count": 4776577,
                "maximum": 63454945,
                "minimum": 63363543.37,
                "name": "GpsTime",
                "position": 12,
                "stddev": 30248.07296,
                "variance": 914945917.6
              },
              {
                "average": 0,
                "count": 4776577,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4776577,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4776577,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4776577,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4776577,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7546,
              2356062.193,
              -9.213717662,
              612999.7546,
              2356998.433,
              10.30628234
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7545621162,
                    2356062.1926546227,
                    -9.213717661723408
                  ],
                  [
                    611999.7545621162,
                    2356998.432654623,
                    -9.213717661723408
                  ],
                  [
                    612999.7545621162,
                    2356998.432654623,
                    10.306282338276592
                  ],
                  [
                    612999.7545621162,
                    2356062.1926546227,
                    10.306282338276592
                  ],
                  [
                    611999.7545621162,
                    2356062.1926546227,
                    -9.213717661723408
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:09:05+00:00",
            "end_time": "2013-09-16T10:45:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj0956.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.94911902273734,
              21.30257713449353,
              -9.780615746103035
            ],
            [
              -157.94905476249505,
              21.311610927801347,
              -9.780615746103035
            ],
            [
              -157.9394140847523,
              21.311550429424404,
              15.879384253896966
            ],
            [
              -157.93947893419383,
              21.302516663724745,
              15.879384253896966
            ],
            [
              -157.94911902273734,
              21.30257713449353,
              -9.780615746103035
            ]
          ]
        ]
      },
      "bbox": [
        -157.949119,
        21.30251666,
        -9.780615746,
        -157.9394141,
        21.31161093,
        15.87938425
      ],
      "properties": {
        "datetime": "2013-09-17T11:54:40Z",
        "pc:count": 4068955,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609484.8868,
            "count": 4068955,
            "maximum": 609999.7503,
            "minimum": 608999.7303,
            "name": "X",
            "position": 0,
            "stddev": 282.643112,
            "variance": 79887.12878
          },
          {
            "average": 2356452.884,
            "count": 4068955,
            "maximum": 2356998.444,
            "minimum": 2355998.444,
            "name": "Y",
            "position": 1,
            "stddev": 236.8197802,
            "variance": 56083.60831
          },
          {
            "average": 1.818623663,
            "count": 4068955,
            "maximum": 15.87938425,
            "minimum": -9.780615746,
            "name": "Z",
            "position": 2,
            "stddev": 2.180928326,
            "variance": 4.756448363
          },
          {
            "average": 46.23577725,
            "count": 4068955,
            "maximum": 1790,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 57.76362113,
            "variance": 3336.635927
          },
          {
            "average": 1.012389176,
            "count": 4068955,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1243011034,
            "variance": 0.01545076431
          },
          {
            "average": 1.023466467,
            "count": 4068955,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1816440346,
            "variance": 0.03299455531
          },
          {
            "average": 1,
            "count": 4068955,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4068955,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.678444465,
            "count": 4068955,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.83068744,
            "variance": 77.98104067
          },
          {
            "average": 0,
            "count": 4068955,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 93.44647409,
            "count": 4068955,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.72697659,
            "variance": 4189.581499
          },
          {
            "average": 9.027255892,
            "count": 4068955,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.106924909,
            "variance": 4.439132573
          },
          {
            "average": 63366806.01,
            "count": 4068955,
            "maximum": 63454080.4,
            "minimum": 63361002.95,
            "name": "GpsTime",
            "position": 12,
            "stddev": 12538.14036,
            "variance": 157204963.7
          },
          {
            "average": 0,
            "count": 4068955,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4068955,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4068955,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4068955,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4068955,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608999.7303,
          2355998.444,
          -9.780615746,
          609999.7503,
          2356998.444,
          15.87938425
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608999.7303439241,
                2355998.4439355135,
                -9.780615746103035
              ],
              [
                608999.7303439241,
                2356998.4439355135,
                -9.780615746103035
              ],
              [
                609999.7503439242,
                2356998.4439355135,
                15.879384253896966
              ],
              [
                609999.7503439242,
                2355998.4439355135,
                15.879384253896966
              ],
              [
                608999.7303439241,
                2355998.4439355135,
                -9.780615746103035
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T11:54:40+00:00",
        "end_time": "2013-09-16T10:03:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj0956.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj0956.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj0956.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0956.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.949119,
            21.30251666,
            -9.780615746,
            -157.9394141,
            21.31161093,
            15.87938425
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.94911902273734,
                  21.30257713449353,
                  -9.780615746103035
                ],
                [
                  -157.94905476249505,
                  21.311610927801347,
                  -9.780615746103035
                ],
                [
                  -157.9394140847523,
                  21.311550429424404,
                  15.879384253896966
                ],
                [
                  -157.93947893419383,
                  21.302516663724745,
                  15.879384253896966
                ],
                [
                  -157.94911902273734,
                  21.30257713449353,
                  -9.780615746103035
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj0956.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj0956.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T11:54:40Z",
            "pc:count": 4068955,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609484.8868,
                "count": 4068955,
                "maximum": 609999.7503,
                "minimum": 608999.7303,
                "name": "X",
                "position": 0,
                "stddev": 282.643112,
                "variance": 79887.12878
              },
              {
                "average": 2356452.884,
                "count": 4068955,
                "maximum": 2356998.444,
                "minimum": 2355998.444,
                "name": "Y",
                "position": 1,
                "stddev": 236.8197802,
                "variance": 56083.60831
              },
              {
                "average": 1.818623663,
                "count": 4068955,
                "maximum": 15.87938425,
                "minimum": -9.780615746,
                "name": "Z",
                "position": 2,
                "stddev": 2.180928326,
                "variance": 4.756448363
              },
              {
                "average": 46.23577725,
                "count": 4068955,
                "maximum": 1790,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 57.76362113,
                "variance": 3336.635927
              },
              {
                "average": 1.012389176,
                "count": 4068955,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1243011034,
                "variance": 0.01545076431
              },
              {
                "average": 1.023466467,
                "count": 4068955,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1816440346,
                "variance": 0.03299455531
              },
              {
                "average": 1,
                "count": 4068955,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4068955,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.678444465,
                "count": 4068955,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.83068744,
                "variance": 77.98104067
              },
              {
                "average": 0,
                "count": 4068955,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 93.44647409,
                "count": 4068955,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.72697659,
                "variance": 4189.581499
              },
              {
                "average": 9.027255892,
                "count": 4068955,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.106924909,
                "variance": 4.439132573
              },
              {
                "average": 63366806.01,
                "count": 4068955,
                "maximum": 63454080.4,
                "minimum": 63361002.95,
                "name": "GpsTime",
                "position": 12,
                "stddev": 12538.14036,
                "variance": 157204963.7
              },
              {
                "average": 0,
                "count": 4068955,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4068955,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4068955,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4068955,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4068955,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608999.7303,
              2355998.444,
              -9.780615746,
              609999.7503,
              2356998.444,
              15.87938425
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608999.7303439241,
                    2355998.4439355135,
                    -9.780615746103035
                  ],
                  [
                    608999.7303439241,
                    2356998.4439355135,
                    -9.780615746103035
                  ],
                  [
                    609999.7503439242,
                    2356998.4439355135,
                    15.879384253896966
                  ],
                  [
                    609999.7503439242,
                    2355998.4439355135,
                    15.879384253896966
                  ],
                  [
                    608999.7303439241,
                    2355998.4439355135,
                    -9.780615746103035
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T11:54:40+00:00",
            "end_time": "2013-09-16T10:03:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1098.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.93672585244553,
              21.68192662464387,
              -21.01660917142039
            ],
            [
              -157.93665956421253,
              21.6909601534243,
              -21.01660917142039
            ],
            [
              -157.92699410168598,
              21.690897900136004,
              -2.276609171420388
            ],
            [
              -157.92706099336164,
              21.681864399589443,
              -2.276609171420388
            ],
            [
              -157.93672585244553,
              21.68192662464387,
              -21.01660917142039
            ]
          ]
        ]
      },
      "bbox": [
        -157.9367259,
        21.6818644,
        -21.01660917,
        -157.9269941,
        21.69096015,
        -2.276609171
      ],
      "properties": {
        "datetime": "2013-09-22T00:41:30Z",
        "pc:count": 1540003,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610385.8972,
            "count": 1540003,
            "maximum": 610999.7513,
            "minimum": 609999.7513,
            "name": "X",
            "position": 0,
            "stddev": 277.5305061,
            "variance": 77023.18183
          },
          {
            "average": 2398340.677,
            "count": 1540003,
            "maximum": 2398998.503,
            "minimum": 2397998.483,
            "name": "Y",
            "position": 1,
            "stddev": 266.4253326,
            "variance": 70982.45783
          },
          {
            "average": -10.28745503,
            "count": 1540003,
            "maximum": -2.276609171,
            "minimum": -21.01660917,
            "name": "Z",
            "position": 2,
            "stddev": 3.401113712,
            "variance": 11.56757448
          },
          {
            "average": 26.27671959,
            "count": 1540003,
            "maximum": 4078,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 49.05154098,
            "variance": 2406.053672
          },
          {
            "average": 1.009495436,
            "count": 1540003,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09871949224,
            "variance": 0.009745538148
          },
          {
            "average": 1.010776602,
            "count": 1540003,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1054093113,
            "variance": 0.01111112291
          },
          {
            "average": 1,
            "count": 1540003,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1540003,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1540003,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.65319137,
            "count": 1540003,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.216631994,
            "variance": 27.21324936
          },
          {
            "average": 137.0633979,
            "count": 1540003,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 81.48047686,
            "variance": 6639.06811
          },
          {
            "average": 4.029870072,
            "count": 1540003,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.938026253,
            "variance": 3.755945756
          },
          {
            "average": 63836276.07,
            "count": 1540003,
            "maximum": 63845690.82,
            "minimum": 63831789.86,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5751.522313,
            "variance": 33080008.91
          },
          {
            "average": 0,
            "count": 1540003,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1540003,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1540003,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1540003,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1540003,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.7513,
          2397998.483,
          -21.01660917,
          610999.7513,
          2398998.503,
          -2.276609171
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.7513460835,
                2397998.4826237243,
                -21.01660917142039
              ],
              [
                609999.7513460835,
                2398998.502623724,
                -21.01660917142039
              ],
              [
                610999.7513460835,
                2398998.502623724,
                -2.276609171420388
              ],
              [
                610999.7513460835,
                2397998.4826237243,
                -2.276609171420388
              ],
              [
                609999.7513460835,
                2397998.4826237243,
                -21.01660917142039
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:41:30+00:00",
        "end_time": "2013-09-21T20:49:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1098.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1098.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1098.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1098.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9367259,
            21.6818644,
            -21.01660917,
            -157.9269941,
            21.69096015,
            -2.276609171
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.93672585244553,
                  21.68192662464387,
                  -21.01660917142039
                ],
                [
                  -157.93665956421253,
                  21.6909601534243,
                  -21.01660917142039
                ],
                [
                  -157.92699410168598,
                  21.690897900136004,
                  -2.276609171420388
                ],
                [
                  -157.92706099336164,
                  21.681864399589443,
                  -2.276609171420388
                ],
                [
                  -157.93672585244553,
                  21.68192662464387,
                  -21.01660917142039
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1098.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1098.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:41:30Z",
            "pc:count": 1540003,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610385.8972,
                "count": 1540003,
                "maximum": 610999.7513,
                "minimum": 609999.7513,
                "name": "X",
                "position": 0,
                "stddev": 277.5305061,
                "variance": 77023.18183
              },
              {
                "average": 2398340.677,
                "count": 1540003,
                "maximum": 2398998.503,
                "minimum": 2397998.483,
                "name": "Y",
                "position": 1,
                "stddev": 266.4253326,
                "variance": 70982.45783
              },
              {
                "average": -10.28745503,
                "count": 1540003,
                "maximum": -2.276609171,
                "minimum": -21.01660917,
                "name": "Z",
                "position": 2,
                "stddev": 3.401113712,
                "variance": 11.56757448
              },
              {
                "average": 26.27671959,
                "count": 1540003,
                "maximum": 4078,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 49.05154098,
                "variance": 2406.053672
              },
              {
                "average": 1.009495436,
                "count": 1540003,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09871949224,
                "variance": 0.009745538148
              },
              {
                "average": 1.010776602,
                "count": 1540003,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1054093113,
                "variance": 0.01111112291
              },
              {
                "average": 1,
                "count": 1540003,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1540003,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1540003,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.65319137,
                "count": 1540003,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.216631994,
                "variance": 27.21324936
              },
              {
                "average": 137.0633979,
                "count": 1540003,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 81.48047686,
                "variance": 6639.06811
              },
              {
                "average": 4.029870072,
                "count": 1540003,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.938026253,
                "variance": 3.755945756
              },
              {
                "average": 63836276.07,
                "count": 1540003,
                "maximum": 63845690.82,
                "minimum": 63831789.86,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5751.522313,
                "variance": 33080008.91
              },
              {
                "average": 0,
                "count": 1540003,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1540003,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1540003,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1540003,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1540003,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.7513,
              2397998.483,
              -21.01660917,
              610999.7513,
              2398998.503,
              -2.276609171
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.7513460835,
                    2397998.4826237243,
                    -21.01660917142039
                  ],
                  [
                    609999.7513460835,
                    2398998.502623724,
                    -21.01660917142039
                  ],
                  [
                    610999.7513460835,
                    2398998.502623724,
                    -2.276609171420388
                  ],
                  [
                    610999.7513460835,
                    2397998.4826237243,
                    -2.276609171420388
                  ],
                  [
                    609999.7513460835,
                    2397998.4826237243,
                    -21.01660917142039
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:41:30+00:00",
            "end_time": "2013-09-21T20:49:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1556.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89127975520626,
              21.30220592499496,
              -7.069126618766113
            ],
            [
              -157.89121196172874,
              21.311239726953048,
              -7.069126618766113
            ],
            [
              -157.8815716788056,
              21.311175917654875,
              39.67087338123389
            ],
            [
              -157.88164006142017,
              21.302142145174805,
              39.67087338123389
            ],
            [
              -157.89127975520626,
              21.30220592499496,
              -7.069126618766113
            ]
          ]
        ]
      },
      "bbox": [
        -157.8912798,
        21.30214215,
        -7.069126619,
        -157.8815717,
        21.31123973,
        39.67087338
      ],
      "properties": {
        "datetime": "2013-09-17T12:44:59Z",
        "pc:count": 10187557,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615567.9253,
            "count": 10187557,
            "maximum": 615999.7648,
            "minimum": 614999.7648,
            "name": "X",
            "position": 0,
            "stddev": 277.605084,
            "variance": 77064.58266
          },
          {
            "average": 2356428.771,
            "count": 10187557,
            "maximum": 2356998.453,
            "minimum": 2355998.433,
            "name": "Y",
            "position": 1,
            "stddev": 273.7388863,
            "variance": 74932.97788
          },
          {
            "average": 1.401852079,
            "count": 10187557,
            "maximum": 39.67087338,
            "minimum": -7.069126619,
            "name": "Z",
            "position": 2,
            "stddev": 4.615418093,
            "variance": 21.30208417
          },
          {
            "average": 18.58484119,
            "count": 10187557,
            "maximum": 1006,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 34.12122387,
            "variance": 1164.257918
          },
          {
            "average": 1.126108939,
            "count": 10187557,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4380106513,
            "variance": 0.1918533307
          },
          {
            "average": 1.239355912,
            "count": 10187557,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6621819698,
            "variance": 0.4384849612
          },
          {
            "average": 1,
            "count": 10187557,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10187557,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.52274309,
            "count": 10187557,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.43258053,
            "variance": 180.4342197
          },
          {
            "average": 7.377501674,
            "count": 10187557,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.758390442,
            "variance": 95.22618402
          },
          {
            "average": 92.24091841,
            "count": 10187557,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.14504485,
            "variance": 4243.876868
          },
          {
            "average": 8.893975661,
            "count": 10187557,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.105863065,
            "variance": 16.85811151
          },
          {
            "average": 63360691.88,
            "count": 10187557,
            "maximum": 63457099.12,
            "minimum": 63279133.16,
            "name": "GpsTime",
            "position": 12,
            "stddev": 63823.50426,
            "variance": 4073439697
          },
          {
            "average": 0,
            "count": 10187557,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10187557,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10187557,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10187557,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10187557,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.7648,
          2355998.433,
          -7.069126619,
          615999.7648,
          2356998.453,
          39.67087338
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.764807208,
                2355998.4333234504,
                -7.069126618766113
              ],
              [
                614999.764807208,
                2356998.45332345,
                -7.069126618766113
              ],
              [
                615999.764807208,
                2356998.45332345,
                39.67087338123389
              ],
              [
                615999.764807208,
                2355998.4333234504,
                39.67087338123389
              ],
              [
                614999.764807208,
                2355998.4333234504,
                -7.069126618766113
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:44:59+00:00",
        "end_time": "2013-09-15T11:18:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1556.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1556.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1556.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1556.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8912798,
            21.30214215,
            -7.069126619,
            -157.8815717,
            21.31123973,
            39.67087338
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89127975520626,
                  21.30220592499496,
                  -7.069126618766113
                ],
                [
                  -157.89121196172874,
                  21.311239726953048,
                  -7.069126618766113
                ],
                [
                  -157.8815716788056,
                  21.311175917654875,
                  39.67087338123389
                ],
                [
                  -157.88164006142017,
                  21.302142145174805,
                  39.67087338123389
                ],
                [
                  -157.89127975520626,
                  21.30220592499496,
                  -7.069126618766113
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1556.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1556.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:44:59Z",
            "pc:count": 10187557,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615567.9253,
                "count": 10187557,
                "maximum": 615999.7648,
                "minimum": 614999.7648,
                "name": "X",
                "position": 0,
                "stddev": 277.605084,
                "variance": 77064.58266
              },
              {
                "average": 2356428.771,
                "count": 10187557,
                "maximum": 2356998.453,
                "minimum": 2355998.433,
                "name": "Y",
                "position": 1,
                "stddev": 273.7388863,
                "variance": 74932.97788
              },
              {
                "average": 1.401852079,
                "count": 10187557,
                "maximum": 39.67087338,
                "minimum": -7.069126619,
                "name": "Z",
                "position": 2,
                "stddev": 4.615418093,
                "variance": 21.30208417
              },
              {
                "average": 18.58484119,
                "count": 10187557,
                "maximum": 1006,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 34.12122387,
                "variance": 1164.257918
              },
              {
                "average": 1.126108939,
                "count": 10187557,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4380106513,
                "variance": 0.1918533307
              },
              {
                "average": 1.239355912,
                "count": 10187557,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6621819698,
                "variance": 0.4384849612
              },
              {
                "average": 1,
                "count": 10187557,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10187557,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.52274309,
                "count": 10187557,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.43258053,
                "variance": 180.4342197
              },
              {
                "average": 7.377501674,
                "count": 10187557,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.758390442,
                "variance": 95.22618402
              },
              {
                "average": 92.24091841,
                "count": 10187557,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.14504485,
                "variance": 4243.876868
              },
              {
                "average": 8.893975661,
                "count": 10187557,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.105863065,
                "variance": 16.85811151
              },
              {
                "average": 63360691.88,
                "count": 10187557,
                "maximum": 63457099.12,
                "minimum": 63279133.16,
                "name": "GpsTime",
                "position": 12,
                "stddev": 63823.50426,
                "variance": 4073439697
              },
              {
                "average": 0,
                "count": 10187557,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10187557,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10187557,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10187557,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10187557,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.7648,
              2355998.433,
              -7.069126619,
              615999.7648,
              2356998.453,
              39.67087338
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.764807208,
                    2355998.4333234504,
                    -7.069126618766113
                  ],
                  [
                    614999.764807208,
                    2356998.45332345,
                    -7.069126618766113
                  ],
                  [
                    615999.764807208,
                    2356998.45332345,
                    39.67087338123389
                  ],
                  [
                    615999.764807208,
                    2355998.4333234504,
                    39.67087338123389
                  ],
                  [
                    614999.764807208,
                    2355998.4333234504,
                    -7.069126618766113
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:44:59+00:00",
            "end_time": "2013-09-15T11:18:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1392.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9081390717517,
              21.62753851219064,
              -38.51174260721125
            ],
            [
              -157.9080711946237,
              21.636571833441227,
              -38.51174260721125
            ],
            [
              -157.89840963830082,
              21.636508068752292,
              -6.311742607211247
            ],
            [
              -157.89847811541586,
              21.627474776934765,
              -6.311742607211247
            ],
            [
              -157.9081390717517,
              21.62753851219064,
              -38.51174260721125
            ]
          ]
        ]
      },
      "bbox": [
        -157.9081391,
        21.62747478,
        -38.51174261,
        -157.8984096,
        21.63657183,
        -6.311742607
      ],
      "properties": {
        "datetime": "2013-09-22T01:09:53Z",
        "pc:count": 644389,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613310.5404,
            "count": 644389,
            "maximum": 613999.7462,
            "minimum": 612999.7662,
            "name": "X",
            "position": 0,
            "stddev": 228.5560953,
            "variance": 52237.8887
          },
          {
            "average": 2392470.495,
            "count": 644389,
            "maximum": 2392998.487,
            "minimum": 2391998.487,
            "name": "Y",
            "position": 1,
            "stddev": 288.7590407,
            "variance": 83381.78361
          },
          {
            "average": -12.51737448,
            "count": 644389,
            "maximum": -6.311742607,
            "minimum": -38.51174261,
            "name": "Z",
            "position": 2,
            "stddev": 4.889861873,
            "variance": 23.91074914
          },
          {
            "average": 38.7889815,
            "count": 644389,
            "maximum": 4092,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 50.97023132,
            "variance": 2597.964481
          },
          {
            "average": 1.002026726,
            "count": 644389,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04524877207,
            "variance": 0.002047451374
          },
          {
            "average": 1.002119838,
            "count": 644389,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04626204583,
            "variance": 0.002140176884
          },
          {
            "average": 1,
            "count": 644389,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 644389,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 644389,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.67541857,
            "count": 644389,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.569886149,
            "variance": 31.02363171
          },
          {
            "average": 220.6151346,
            "count": 644389,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 61.06414283,
            "variance": 3728.829539
          },
          {
            "average": 3.527426756,
            "count": 644389,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.355705338,
            "variance": 1.837936962
          },
          {
            "average": 63845645.53,
            "count": 644389,
            "maximum": 63847393.79,
            "minimum": 63832173.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2387.831187,
            "variance": 5701737.776
          },
          {
            "average": 0,
            "count": 644389,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 644389,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 644389,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 644389,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 644389,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7662,
          2391998.487,
          -38.51174261,
          613999.7462,
          2392998.487,
          -6.311742607
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.766196566,
                2391998.486852334,
                -38.51174260721125
              ],
              [
                612999.766196566,
                2392998.486852334,
                -38.51174260721125
              ],
              [
                613999.746196566,
                2392998.486852334,
                -6.311742607211247
              ],
              [
                613999.746196566,
                2391998.486852334,
                -6.311742607211247
              ],
              [
                612999.766196566,
                2391998.486852334,
                -38.51174260721125
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:09:53+00:00",
        "end_time": "2013-09-21T20:56:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1392.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1392.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1392.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1392.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9081391,
            21.62747478,
            -38.51174261,
            -157.8984096,
            21.63657183,
            -6.311742607
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9081390717517,
                  21.62753851219064,
                  -38.51174260721125
                ],
                [
                  -157.9080711946237,
                  21.636571833441227,
                  -38.51174260721125
                ],
                [
                  -157.89840963830082,
                  21.636508068752292,
                  -6.311742607211247
                ],
                [
                  -157.89847811541586,
                  21.627474776934765,
                  -6.311742607211247
                ],
                [
                  -157.9081390717517,
                  21.62753851219064,
                  -38.51174260721125
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1392.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1392.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:09:53Z",
            "pc:count": 644389,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613310.5404,
                "count": 644389,
                "maximum": 613999.7462,
                "minimum": 612999.7662,
                "name": "X",
                "position": 0,
                "stddev": 228.5560953,
                "variance": 52237.8887
              },
              {
                "average": 2392470.495,
                "count": 644389,
                "maximum": 2392998.487,
                "minimum": 2391998.487,
                "name": "Y",
                "position": 1,
                "stddev": 288.7590407,
                "variance": 83381.78361
              },
              {
                "average": -12.51737448,
                "count": 644389,
                "maximum": -6.311742607,
                "minimum": -38.51174261,
                "name": "Z",
                "position": 2,
                "stddev": 4.889861873,
                "variance": 23.91074914
              },
              {
                "average": 38.7889815,
                "count": 644389,
                "maximum": 4092,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 50.97023132,
                "variance": 2597.964481
              },
              {
                "average": 1.002026726,
                "count": 644389,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04524877207,
                "variance": 0.002047451374
              },
              {
                "average": 1.002119838,
                "count": 644389,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04626204583,
                "variance": 0.002140176884
              },
              {
                "average": 1,
                "count": 644389,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 644389,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 644389,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.67541857,
                "count": 644389,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.569886149,
                "variance": 31.02363171
              },
              {
                "average": 220.6151346,
                "count": 644389,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 61.06414283,
                "variance": 3728.829539
              },
              {
                "average": 3.527426756,
                "count": 644389,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.355705338,
                "variance": 1.837936962
              },
              {
                "average": 63845645.53,
                "count": 644389,
                "maximum": 63847393.79,
                "minimum": 63832173.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2387.831187,
                "variance": 5701737.776
              },
              {
                "average": 0,
                "count": 644389,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 644389,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 644389,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 644389,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 644389,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7662,
              2391998.487,
              -38.51174261,
              613999.7462,
              2392998.487,
              -6.311742607
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.766196566,
                    2391998.486852334,
                    -38.51174260721125
                  ],
                  [
                    612999.766196566,
                    2392998.486852334,
                    -38.51174260721125
                  ],
                  [
                    613999.746196566,
                    2392998.486852334,
                    -6.311742607211247
                  ],
                  [
                    613999.746196566,
                    2391998.486852334,
                    -6.311742607211247
                  ],
                  [
                    612999.766196566,
                    2391998.486852334,
                    -38.51174260721125
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:09:53+00:00",
            "end_time": "2013-09-21T20:56:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130923_ncmp_hi_oahu_4qfj1683.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8785406043739,
              21.546037738048085,
              -2.128831275121826
            ],
            [
              -157.87847117065894,
              21.555071058263312,
              -2.128831275121826
            ],
            [
              -157.87005535867402,
              21.555014222858407,
              132.17116872487819
            ],
            [
              -157.87012531296998,
              21.545980929043893,
              132.17116872487819
            ],
            [
              -157.8785406043739,
              21.546037738048085,
              -2.128831275121826
            ]
          ]
        ]
      },
      "bbox": [
        -157.8785406,
        21.54598093,
        -2.128831275,
        -157.8700554,
        21.55507106,
        132.1711687
      ],
      "properties": {
        "datetime": "2013-09-23T23:52:38Z",
        "pc:count": 7651929,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616603.1914,
            "count": 7651929,
            "maximum": 616999.7917,
            "minimum": 616128.2517,
            "name": "X",
            "position": 0,
            "stddev": 221.8124319,
            "variance": 49200.75496
          },
          {
            "average": 2383616.521,
            "count": 7651929,
            "maximum": 2383998.488,
            "minimum": 2382998.488,
            "name": "Y",
            "position": 1,
            "stddev": 245.3089759,
            "variance": 60176.49367
          },
          {
            "average": 15.69714568,
            "count": 7651929,
            "maximum": 132.1711687,
            "minimum": -2.128831275,
            "name": "Z",
            "position": 2,
            "stddev": 16.38105744,
            "variance": 268.3390428
          },
          {
            "average": 8.405746054,
            "count": 7651929,
            "maximum": 849,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 13.78124534,
            "variance": 189.922723
          },
          {
            "average": 1.698687351,
            "count": 7651929,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9435403492,
            "variance": 0.8902683906
          },
          {
            "average": 2.398257877,
            "count": 7651929,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.258420859,
            "variance": 1.583623058
          },
          {
            "average": 1,
            "count": 7651929,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7651929,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.181789847,
            "count": 7651929,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.887859461,
            "variance": 3.564013345
          },
          {
            "average": 20.68358522,
            "count": 7651929,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.911039016,
            "variance": 15.29622619
          },
          {
            "average": 92.29597125,
            "count": 7651929,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.52482761,
            "variance": 4695.651999
          },
          {
            "average": 6.402252033,
            "count": 7651929,
            "maximum": 20,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.047353041,
            "variance": 25.47577272
          },
          {
            "average": 64011977.81,
            "count": 7651929,
            "maximum": 64015558.98,
            "minimum": 64010232.51,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1468.526952,
            "variance": 2156571.408
          },
          {
            "average": 0,
            "count": 7651929,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7651929,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7651929,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7651929,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7651929,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616128.2517,
          2382998.488,
          -2.128831275,
          616999.7917,
          2383998.488,
          132.1711687
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616128.2516695503,
                2382998.4876055876,
                -2.128831275121826
              ],
              [
                616128.2516695503,
                2383998.4876055876,
                -2.128831275121826
              ],
              [
                616999.7916695504,
                2383998.4876055876,
                132.17116872487819
              ],
              [
                616999.7916695504,
                2382998.4876055876,
                132.17116872487819
              ],
              [
                616128.2516695503,
                2382998.4876055876,
                -2.128831275121826
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:52:38+00:00",
        "end_time": "2013-09-23T22:23:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130923_ncmp_hi_oahu_4qfj1683.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130923_ncmp_hi_oahu_4qfj1683.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130923_ncmp_hi_oahu_4qfj1683.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1683.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8785406,
            21.54598093,
            -2.128831275,
            -157.8700554,
            21.55507106,
            132.1711687
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8785406043739,
                  21.546037738048085,
                  -2.128831275121826
                ],
                [
                  -157.87847117065894,
                  21.555071058263312,
                  -2.128831275121826
                ],
                [
                  -157.87005535867402,
                  21.555014222858407,
                  132.17116872487819
                ],
                [
                  -157.87012531296998,
                  21.545980929043893,
                  132.17116872487819
                ],
                [
                  -157.8785406043739,
                  21.546037738048085,
                  -2.128831275121826
                ]
              ]
            ]
          },
          "id": "20130923_ncmp_hi_oahu_4qfj1683.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1683.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:52:38Z",
            "pc:count": 7651929,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616603.1914,
                "count": 7651929,
                "maximum": 616999.7917,
                "minimum": 616128.2517,
                "name": "X",
                "position": 0,
                "stddev": 221.8124319,
                "variance": 49200.75496
              },
              {
                "average": 2383616.521,
                "count": 7651929,
                "maximum": 2383998.488,
                "minimum": 2382998.488,
                "name": "Y",
                "position": 1,
                "stddev": 245.3089759,
                "variance": 60176.49367
              },
              {
                "average": 15.69714568,
                "count": 7651929,
                "maximum": 132.1711687,
                "minimum": -2.128831275,
                "name": "Z",
                "position": 2,
                "stddev": 16.38105744,
                "variance": 268.3390428
              },
              {
                "average": 8.405746054,
                "count": 7651929,
                "maximum": 849,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 13.78124534,
                "variance": 189.922723
              },
              {
                "average": 1.698687351,
                "count": 7651929,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9435403492,
                "variance": 0.8902683906
              },
              {
                "average": 2.398257877,
                "count": 7651929,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.258420859,
                "variance": 1.583623058
              },
              {
                "average": 1,
                "count": 7651929,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7651929,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.181789847,
                "count": 7651929,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.887859461,
                "variance": 3.564013345
              },
              {
                "average": 20.68358522,
                "count": 7651929,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.911039016,
                "variance": 15.29622619
              },
              {
                "average": 92.29597125,
                "count": 7651929,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.52482761,
                "variance": 4695.651999
              },
              {
                "average": 6.402252033,
                "count": 7651929,
                "maximum": 20,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.047353041,
                "variance": 25.47577272
              },
              {
                "average": 64011977.81,
                "count": 7651929,
                "maximum": 64015558.98,
                "minimum": 64010232.51,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1468.526952,
                "variance": 2156571.408
              },
              {
                "average": 0,
                "count": 7651929,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7651929,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7651929,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7651929,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7651929,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616128.2517,
              2382998.488,
              -2.128831275,
              616999.7917,
              2383998.488,
              132.1711687
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616128.2516695503,
                    2382998.4876055876,
                    -2.128831275121826
                  ],
                  [
                    616128.2516695503,
                    2383998.4876055876,
                    -2.128831275121826
                  ],
                  [
                    616999.7916695504,
                    2383998.4876055876,
                    132.17116872487819
                  ],
                  [
                    616999.7916695504,
                    2382998.4876055876,
                    132.17116872487819
                  ],
                  [
                    616128.2516695503,
                    2382998.4876055876,
                    -2.128831275121826
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:52:38+00:00",
            "end_time": "2013-09-23T22:23:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1099.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.93665957736195,
              21.690960069161196,
              -18.089311381458284
            ],
            [
              -157.93662009898264,
              21.696337797177375,
              -18.089311381458284
            ],
            [
              -157.93065782925672,
              21.69629945304601,
              -12.649311381458283
            ],
            [
              -157.93069752929298,
              21.690921735384855,
              -12.649311381458283
            ],
            [
              -157.93665957736195,
              21.690960069161196,
              -18.089311381458284
            ]
          ]
        ]
      },
      "bbox": [
        -157.9366596,
        21.69092174,
        -18.08931138,
        -157.9306578,
        21.6963378,
        -12.64931138
      ],
      "properties": {
        "datetime": "2013-09-21T21:10:07Z",
        "pc:count": 104736,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 610150.4968,
            "count": 104736,
            "maximum": 610616.59,
            "minimum": 609999.75,
            "name": "X",
            "position": 0,
            "stddev": 135.9029663,
            "variance": 18469.61625
          },
          {
            "average": 2399194.992,
            "count": 104736,
            "maximum": 2399593.813,
            "minimum": 2398998.493,
            "name": "Y",
            "position": 1,
            "stddev": 152.4722634,
            "variance": 23247.79112
          },
          {
            "average": -14.75283424,
            "count": 104736,
            "maximum": -12.64931138,
            "minimum": -18.08931138,
            "name": "Z",
            "position": 2,
            "stddev": 0.56845033,
            "variance": 0.3231357776
          },
          {
            "average": 66.38606592,
            "count": 104736,
            "maximum": 532,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 58.26616834,
            "variance": 3394.946373
          },
          {
            "average": 1.001613581,
            "count": 104736,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04013717169,
            "variance": 0.001610992551
          },
          {
            "average": 1.00188092,
            "count": 104736,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04332897082,
            "variance": 0.001877399712
          },
          {
            "average": 1,
            "count": 104736,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104736,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 104736,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.19039873,
            "count": 104736,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.912447453,
            "variance": 47.78192979
          },
          {
            "average": 201.3468148,
            "count": 104736,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 68.8514774,
            "variance": 4740.52594
          },
          {
            "average": 5.0159544,
            "count": 104736,
            "maximum": 6,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4176186185,
            "variance": 0.1744053105
          },
          {
            "average": 63832127.16,
            "count": 104736,
            "maximum": 63833007.86,
            "minimum": 63831805.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 293.0468414,
            "variance": 85876.45124
          },
          {
            "average": 0,
            "count": 104736,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104736,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104736,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104736,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104736,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609999.75,
          2398998.493,
          -18.08931138,
          610616.59,
          2399593.813,
          -12.64931138
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609999.7500496813,
                2398998.4932868206,
                -18.089311381458284
              ],
              [
                609999.7500496813,
                2399593.813286821,
                -18.089311381458284
              ],
              [
                610616.5900496814,
                2399593.813286821,
                -12.649311381458283
              ],
              [
                610616.5900496814,
                2398998.4932868206,
                -12.649311381458283
              ],
              [
                609999.7500496813,
                2398998.4932868206,
                -18.089311381458284
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T21:10:07+00:00",
        "end_time": "2013-09-21T20:50:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1099.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1099.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1099.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1099.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9366596,
            21.69092174,
            -18.08931138,
            -157.9306578,
            21.6963378,
            -12.64931138
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.93665957736195,
                  21.690960069161196,
                  -18.089311381458284
                ],
                [
                  -157.93662009898264,
                  21.696337797177375,
                  -18.089311381458284
                ],
                [
                  -157.93065782925672,
                  21.69629945304601,
                  -12.649311381458283
                ],
                [
                  -157.93069752929298,
                  21.690921735384855,
                  -12.649311381458283
                ],
                [
                  -157.93665957736195,
                  21.690960069161196,
                  -18.089311381458284
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1099.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1099.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T21:10:07Z",
            "pc:count": 104736,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 610150.4968,
                "count": 104736,
                "maximum": 610616.59,
                "minimum": 609999.75,
                "name": "X",
                "position": 0,
                "stddev": 135.9029663,
                "variance": 18469.61625
              },
              {
                "average": 2399194.992,
                "count": 104736,
                "maximum": 2399593.813,
                "minimum": 2398998.493,
                "name": "Y",
                "position": 1,
                "stddev": 152.4722634,
                "variance": 23247.79112
              },
              {
                "average": -14.75283424,
                "count": 104736,
                "maximum": -12.64931138,
                "minimum": -18.08931138,
                "name": "Z",
                "position": 2,
                "stddev": 0.56845033,
                "variance": 0.3231357776
              },
              {
                "average": 66.38606592,
                "count": 104736,
                "maximum": 532,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 58.26616834,
                "variance": 3394.946373
              },
              {
                "average": 1.001613581,
                "count": 104736,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04013717169,
                "variance": 0.001610992551
              },
              {
                "average": 1.00188092,
                "count": 104736,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04332897082,
                "variance": 0.001877399712
              },
              {
                "average": 1,
                "count": 104736,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104736,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 104736,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.19039873,
                "count": 104736,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.912447453,
                "variance": 47.78192979
              },
              {
                "average": 201.3468148,
                "count": 104736,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 68.8514774,
                "variance": 4740.52594
              },
              {
                "average": 5.0159544,
                "count": 104736,
                "maximum": 6,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4176186185,
                "variance": 0.1744053105
              },
              {
                "average": 63832127.16,
                "count": 104736,
                "maximum": 63833007.86,
                "minimum": 63831805.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 293.0468414,
                "variance": 85876.45124
              },
              {
                "average": 0,
                "count": 104736,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104736,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104736,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104736,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104736,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609999.75,
              2398998.493,
              -18.08931138,
              610616.59,
              2399593.813,
              -12.64931138
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609999.7500496813,
                    2398998.4932868206,
                    -18.089311381458284
                  ],
                  [
                    609999.7500496813,
                    2399593.813286821,
                    -18.089311381458284
                  ],
                  [
                    610616.5900496814,
                    2399593.813286821,
                    -12.649311381458283
                  ],
                  [
                    610616.5900496814,
                    2398998.4932868206,
                    -12.649311381458283
                  ],
                  [
                    609999.7500496813,
                    2398998.4932868206,
                    -18.089311381458284
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T21:10:07+00:00",
            "end_time": "2013-09-21T20:50:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1154.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92991476796956,
              21.291986409517516,
              -34.706700728448155
            ],
            [
              -157.92990437980953,
              21.293421873031495,
              -34.706700728448155
            ],
            [
              -157.92026548668994,
              21.293360320364503,
              -18.346700728448155
            ],
            [
              -157.9202759687256,
              21.291924861548267,
              -18.346700728448155
            ],
            [
              -157.92991476796956,
              21.291986409517516,
              -34.706700728448155
            ]
          ]
        ]
      },
      "bbox": [
        -157.9299148,
        21.29192486,
        -34.70670073,
        -157.9202655,
        21.29342187,
        -18.34670073
      ],
      "properties": {
        "datetime": "2013-09-15T10:18:53Z",
        "pc:count": 57761,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611464.7819,
            "count": 57761,
            "maximum": 611999.7191,
            "minimum": 610999.7591,
            "name": "X",
            "position": 0,
            "stddev": 292.3274507,
            "variance": 85455.33844
          },
          {
            "average": 2354932.055,
            "count": 57761,
            "maximum": 2354998.442,
            "minimum": 2354839.542,
            "name": "Y",
            "position": 1,
            "stddev": 35.85752691,
            "variance": 1285.762236
          },
          {
            "average": -25.04006667,
            "count": 57761,
            "maximum": -18.34670073,
            "minimum": -34.70670073,
            "name": "Z",
            "position": 2,
            "stddev": 4.070050062,
            "variance": 16.5653075
          },
          {
            "average": 237.0428317,
            "count": 57761,
            "maximum": 975,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 158.92613,
            "variance": 25257.51479
          },
          {
            "average": 1.002908537,
            "count": 57761,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05385283209,
            "variance": 0.002900127524
          },
          {
            "average": 1.003012413,
            "count": 57761,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05480319866,
            "variance": 0.003003390583
          },
          {
            "average": 1,
            "count": 57761,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 57761,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 57761,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 57761,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 249.0121016,
            "count": 57761,
            "maximum": 252,
            "minimum": 63,
            "name": "UserData",
            "position": 10,
            "stddev": 1.811859501,
            "variance": 3.282834851
          },
          {
            "average": 6,
            "count": 57761,
            "maximum": 6,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63275524.67,
            "count": 57761,
            "maximum": 63275533.82,
            "minimum": 63275514.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.693998044,
            "variance": 22.03361764
          },
          {
            "average": 0,
            "count": 57761,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 57761,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 57761,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 57761,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 57761,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7591,
          2354839.542,
          -34.70670073,
          611999.7191,
          2354998.442,
          -18.34670073
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7591176017,
                2354839.541814319,
                -34.706700728448155
              ],
              [
                610999.7591176017,
                2354998.441814319,
                -34.706700728448155
              ],
              [
                611999.7191176016,
                2354998.441814319,
                -18.346700728448155
              ],
              [
                611999.7191176016,
                2354839.541814319,
                -18.346700728448155
              ],
              [
                610999.7591176017,
                2354839.541814319,
                -34.706700728448155
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:18:53+00:00",
        "end_time": "2013-09-15T10:18:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1154.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1154.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1154.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1154.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9299148,
            21.29192486,
            -34.70670073,
            -157.9202655,
            21.29342187,
            -18.34670073
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92991476796956,
                  21.291986409517516,
                  -34.706700728448155
                ],
                [
                  -157.92990437980953,
                  21.293421873031495,
                  -34.706700728448155
                ],
                [
                  -157.92026548668994,
                  21.293360320364503,
                  -18.346700728448155
                ],
                [
                  -157.9202759687256,
                  21.291924861548267,
                  -18.346700728448155
                ],
                [
                  -157.92991476796956,
                  21.291986409517516,
                  -34.706700728448155
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1154.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1154.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:18:53Z",
            "pc:count": 57761,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611464.7819,
                "count": 57761,
                "maximum": 611999.7191,
                "minimum": 610999.7591,
                "name": "X",
                "position": 0,
                "stddev": 292.3274507,
                "variance": 85455.33844
              },
              {
                "average": 2354932.055,
                "count": 57761,
                "maximum": 2354998.442,
                "minimum": 2354839.542,
                "name": "Y",
                "position": 1,
                "stddev": 35.85752691,
                "variance": 1285.762236
              },
              {
                "average": -25.04006667,
                "count": 57761,
                "maximum": -18.34670073,
                "minimum": -34.70670073,
                "name": "Z",
                "position": 2,
                "stddev": 4.070050062,
                "variance": 16.5653075
              },
              {
                "average": 237.0428317,
                "count": 57761,
                "maximum": 975,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 158.92613,
                "variance": 25257.51479
              },
              {
                "average": 1.002908537,
                "count": 57761,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05385283209,
                "variance": 0.002900127524
              },
              {
                "average": 1.003012413,
                "count": 57761,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05480319866,
                "variance": 0.003003390583
              },
              {
                "average": 1,
                "count": 57761,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 57761,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 57761,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 57761,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 249.0121016,
                "count": 57761,
                "maximum": 252,
                "minimum": 63,
                "name": "UserData",
                "position": 10,
                "stddev": 1.811859501,
                "variance": 3.282834851
              },
              {
                "average": 6,
                "count": 57761,
                "maximum": 6,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63275524.67,
                "count": 57761,
                "maximum": 63275533.82,
                "minimum": 63275514.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.693998044,
                "variance": 22.03361764
              },
              {
                "average": 0,
                "count": 57761,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 57761,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 57761,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 57761,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 57761,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7591,
              2354839.542,
              -34.70670073,
              611999.7191,
              2354998.442,
              -18.34670073
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7591176017,
                    2354839.541814319,
                    -34.706700728448155
                  ],
                  [
                    610999.7591176017,
                    2354998.441814319,
                    -34.706700728448155
                  ],
                  [
                    611999.7191176016,
                    2354998.441814319,
                    -18.346700728448155
                  ],
                  [
                    611999.7191176016,
                    2354839.541814319,
                    -18.346700728448155
                  ],
                  [
                    610999.7591176017,
                    2354839.541814319,
                    -34.706700728448155
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:18:53+00:00",
            "end_time": "2013-09-15T10:18:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1393.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90807116414936,
              21.63657185829302,
              -45.5833699150774
            ],
            [
              -157.90800324978713,
              21.64560516992218,
              -45.5833699150774
            ],
            [
              -157.8983407064754,
              21.64554137329074,
              -2.983369915077397
            ],
            [
              -157.89840922135556,
              21.636508091040394,
              -2.983369915077397
            ],
            [
              -157.90807116414936,
              21.63657185829302,
              -45.5833699150774
            ]
          ]
        ]
      },
      "bbox": [
        -157.9080712,
        21.63650809,
        -45.58336992,
        -157.8983407,
        21.64560517,
        -2.983369915
      ],
      "properties": {
        "datetime": "2013-09-22T00:42:57Z",
        "pc:count": 920702,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613321.5132,
            "count": 920702,
            "maximum": 613999.7893,
            "minimum": 612999.7693,
            "name": "X",
            "position": 0,
            "stddev": 237.6855544,
            "variance": 56494.42275
          },
          {
            "average": 2393525.356,
            "count": 920702,
            "maximum": 2393998.49,
            "minimum": 2392998.49,
            "name": "Y",
            "position": 1,
            "stddev": 302.6957643,
            "variance": 91624.72575
          },
          {
            "average": -17.26954889,
            "count": 920702,
            "maximum": -2.983369915,
            "minimum": -45.58336992,
            "name": "Z",
            "position": 2,
            "stddev": 10.09747605,
            "variance": 101.9590227
          },
          {
            "average": 128.3180432,
            "count": 920702,
            "maximum": 8816,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 176.5872291,
            "variance": 31183.04946
          },
          {
            "average": 1.008062326,
            "count": 920702,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09456355594,
            "variance": 0.008942266112
          },
          {
            "average": 1.00902898,
            "count": 920702,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1041546588,
            "variance": 0.01084819294
          },
          {
            "average": 1,
            "count": 920702,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 920702,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 920702,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.94652813,
            "count": 920702,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.956279642,
            "variance": 48.38982646
          },
          {
            "average": 175.7730797,
            "count": 920702,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 84.64340598,
            "variance": 7164.506176
          },
          {
            "average": 3.854767341,
            "count": 920702,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.000387729,
            "variance": 4.001551068
          },
          {
            "average": 63837692.01,
            "count": 920702,
            "maximum": 63845777.68,
            "minimum": 63830432.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6213.474893,
            "variance": 38607270.25
          },
          {
            "average": 0,
            "count": 920702,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 920702,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 920702,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 920702,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 920702,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7693,
          2392998.49,
          -45.58336992,
          613999.7893,
          2393998.49,
          -2.983369915
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.7693311968,
                2392998.4896254893,
                -45.5833699150774
              ],
              [
                612999.7693311968,
                2393998.4896254893,
                -45.5833699150774
              ],
              [
                613999.7893311968,
                2393998.4896254893,
                -2.983369915077397
              ],
              [
                613999.7893311968,
                2392998.4896254893,
                -2.983369915077397
              ],
              [
                612999.7693311968,
                2392998.4896254893,
                -45.5833699150774
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:42:57+00:00",
        "end_time": "2013-09-21T20:27:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1393.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1393.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1393.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1393.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9080712,
            21.63650809,
            -45.58336992,
            -157.8983407,
            21.64560517,
            -2.983369915
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90807116414936,
                  21.63657185829302,
                  -45.5833699150774
                ],
                [
                  -157.90800324978713,
                  21.64560516992218,
                  -45.5833699150774
                ],
                [
                  -157.8983407064754,
                  21.64554137329074,
                  -2.983369915077397
                ],
                [
                  -157.89840922135556,
                  21.636508091040394,
                  -2.983369915077397
                ],
                [
                  -157.90807116414936,
                  21.63657185829302,
                  -45.5833699150774
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1393.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1393.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:42:57Z",
            "pc:count": 920702,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613321.5132,
                "count": 920702,
                "maximum": 613999.7893,
                "minimum": 612999.7693,
                "name": "X",
                "position": 0,
                "stddev": 237.6855544,
                "variance": 56494.42275
              },
              {
                "average": 2393525.356,
                "count": 920702,
                "maximum": 2393998.49,
                "minimum": 2392998.49,
                "name": "Y",
                "position": 1,
                "stddev": 302.6957643,
                "variance": 91624.72575
              },
              {
                "average": -17.26954889,
                "count": 920702,
                "maximum": -2.983369915,
                "minimum": -45.58336992,
                "name": "Z",
                "position": 2,
                "stddev": 10.09747605,
                "variance": 101.9590227
              },
              {
                "average": 128.3180432,
                "count": 920702,
                "maximum": 8816,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 176.5872291,
                "variance": 31183.04946
              },
              {
                "average": 1.008062326,
                "count": 920702,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09456355594,
                "variance": 0.008942266112
              },
              {
                "average": 1.00902898,
                "count": 920702,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1041546588,
                "variance": 0.01084819294
              },
              {
                "average": 1,
                "count": 920702,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 920702,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 920702,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.94652813,
                "count": 920702,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.956279642,
                "variance": 48.38982646
              },
              {
                "average": 175.7730797,
                "count": 920702,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 84.64340598,
                "variance": 7164.506176
              },
              {
                "average": 3.854767341,
                "count": 920702,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.000387729,
                "variance": 4.001551068
              },
              {
                "average": 63837692.01,
                "count": 920702,
                "maximum": 63845777.68,
                "minimum": 63830432.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6213.474893,
                "variance": 38607270.25
              },
              {
                "average": 0,
                "count": 920702,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 920702,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 920702,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 920702,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 920702,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7693,
              2392998.49,
              -45.58336992,
              613999.7893,
              2393998.49,
              -2.983369915
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.7693311968,
                    2392998.4896254893,
                    -45.5833699150774
                  ],
                  [
                    612999.7693311968,
                    2393998.4896254893,
                    -45.5833699150774
                  ],
                  [
                    613999.7893311968,
                    2393998.4896254893,
                    -2.983369915077397
                  ],
                  [
                    613999.7893311968,
                    2392998.4896254893,
                    -2.983369915077397
                  ],
                  [
                    612999.7693311968,
                    2392998.4896254893,
                    -45.5833699150774
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:42:57+00:00",
            "end_time": "2013-09-21T20:27:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1394.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90800325383137,
              21.645605125741795,
              -47.769501440929034
            ],
            [
              -157.90793530222192,
              21.65463842774791,
              -47.769501440929034
            ],
            [
              -157.8982746702542,
              21.654574618460043,
              -0.989501440929033
            ],
            [
              -157.89834322272938,
              21.645541345770393,
              -0.989501440929033
            ],
            [
              -157.90800325383137,
              21.645605125741795,
              -47.769501440929034
            ]
          ]
        ]
      },
      "bbox": [
        -157.9080033,
        21.64554135,
        -47.76950144,
        -157.8982747,
        21.65463843,
        -0.9895014409
      ],
      "properties": {
        "datetime": "2013-09-22T00:23:49Z",
        "pc:count": 748923,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613243.1438,
            "count": 748923,
            "maximum": 613999.5289,
            "minimum": 612999.7689,
            "name": "X",
            "position": 0,
            "stddev": 194.5857825,
            "variance": 37863.62676
          },
          {
            "average": 2394384.767,
            "count": 748923,
            "maximum": 2394998.485,
            "minimum": 2393998.485,
            "name": "Y",
            "position": 1,
            "stddev": 269.7308554,
            "variance": 72754.73437
          },
          {
            "average": -22.50318311,
            "count": 748923,
            "maximum": -0.9895014409,
            "minimum": -47.76950144,
            "name": "Z",
            "position": 2,
            "stddev": 11.03013833,
            "variance": 121.6639515
          },
          {
            "average": 303.7903883,
            "count": 748923,
            "maximum": 8077,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 297.238966,
            "variance": 88351.00289
          },
          {
            "average": 1.007664339,
            "count": 748923,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09035343349,
            "variance": 0.008163742943
          },
          {
            "average": 1.009173173,
            "count": 748923,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1012589647,
            "variance": 0.01025337793
          },
          {
            "average": 1,
            "count": 748923,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 748923,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 748923,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.50951981,
            "count": 748923,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.640509547,
            "variance": 58.37738614
          },
          {
            "average": 183.3018001,
            "count": 748923,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 87.42098838,
            "variance": 7642.42921
          },
          {
            "average": 4.071029999,
            "count": 748923,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.682496195,
            "variance": 2.830793445
          },
          {
            "average": 63831957.05,
            "count": 748923,
            "maximum": 63844629.91,
            "minimum": 63830433.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1572.781263,
            "variance": 2473640.901
          },
          {
            "average": 0,
            "count": 748923,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 748923,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 748923,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 748923,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 748923,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7689,
          2393998.485,
          -47.76950144,
          613999.5289,
          2394998.485,
          -0.9895014409
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.7689470492,
                2393998.484731956,
                -47.769501440929034
              ],
              [
                612999.7689470492,
                2394998.484731956,
                -47.769501440929034
              ],
              [
                613999.5289470492,
                2394998.484731956,
                -0.989501440929033
              ],
              [
                613999.5289470492,
                2393998.484731956,
                -0.989501440929033
              ],
              [
                612999.7689470492,
                2393998.484731956,
                -47.769501440929034
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:23:49+00:00",
        "end_time": "2013-09-21T20:27:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1394.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1394.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1394.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1394.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9080033,
            21.64554135,
            -47.76950144,
            -157.8982747,
            21.65463843,
            -0.9895014409
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90800325383137,
                  21.645605125741795,
                  -47.769501440929034
                ],
                [
                  -157.90793530222192,
                  21.65463842774791,
                  -47.769501440929034
                ],
                [
                  -157.8982746702542,
                  21.654574618460043,
                  -0.989501440929033
                ],
                [
                  -157.89834322272938,
                  21.645541345770393,
                  -0.989501440929033
                ],
                [
                  -157.90800325383137,
                  21.645605125741795,
                  -47.769501440929034
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1394.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1394.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:23:49Z",
            "pc:count": 748923,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613243.1438,
                "count": 748923,
                "maximum": 613999.5289,
                "minimum": 612999.7689,
                "name": "X",
                "position": 0,
                "stddev": 194.5857825,
                "variance": 37863.62676
              },
              {
                "average": 2394384.767,
                "count": 748923,
                "maximum": 2394998.485,
                "minimum": 2393998.485,
                "name": "Y",
                "position": 1,
                "stddev": 269.7308554,
                "variance": 72754.73437
              },
              {
                "average": -22.50318311,
                "count": 748923,
                "maximum": -0.9895014409,
                "minimum": -47.76950144,
                "name": "Z",
                "position": 2,
                "stddev": 11.03013833,
                "variance": 121.6639515
              },
              {
                "average": 303.7903883,
                "count": 748923,
                "maximum": 8077,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 297.238966,
                "variance": 88351.00289
              },
              {
                "average": 1.007664339,
                "count": 748923,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09035343349,
                "variance": 0.008163742943
              },
              {
                "average": 1.009173173,
                "count": 748923,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1012589647,
                "variance": 0.01025337793
              },
              {
                "average": 1,
                "count": 748923,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 748923,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 748923,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.50951981,
                "count": 748923,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.640509547,
                "variance": 58.37738614
              },
              {
                "average": 183.3018001,
                "count": 748923,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 87.42098838,
                "variance": 7642.42921
              },
              {
                "average": 4.071029999,
                "count": 748923,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.682496195,
                "variance": 2.830793445
              },
              {
                "average": 63831957.05,
                "count": 748923,
                "maximum": 63844629.91,
                "minimum": 63830433.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1572.781263,
                "variance": 2473640.901
              },
              {
                "average": 0,
                "count": 748923,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 748923,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 748923,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 748923,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 748923,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7689,
              2393998.485,
              -47.76950144,
              613999.5289,
              2394998.485,
              -0.9895014409
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.7689470492,
                    2393998.484731956,
                    -47.769501440929034
                  ],
                  [
                    612999.7689470492,
                    2394998.484731956,
                    -47.769501440929034
                  ],
                  [
                    613999.5289470492,
                    2394998.484731956,
                    -0.989501440929033
                  ],
                  [
                    613999.5289470492,
                    2393998.484731956,
                    -0.989501440929033
                  ],
                  [
                    612999.7689470492,
                    2393998.484731956,
                    -47.769501440929034
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:23:49+00:00",
            "end_time": "2013-09-21T20:27:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1787.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8698451716181,
              21.582113916549247,
              -48.595374737309186
            ],
            [
              -157.86977506948313,
              21.591147351094136,
              -48.595374737309186
            ],
            [
              -157.86011645642574,
              21.5910814930087,
              -5.775374737309185
            ],
            [
              -157.8601871573672,
              21.582048088840143,
              -5.775374737309185
            ],
            [
              -157.8698451716181,
              21.582113916549247,
              -48.595374737309186
            ]
          ]
        ]
      },
      "bbox": [
        -157.8698452,
        21.58204809,
        -48.59537474,
        -157.8601165,
        21.59114735,
        -5.775374737
      ],
      "properties": {
        "datetime": "2013-09-23T22:52:23Z",
        "pc:count": 1372200,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617501.8132,
            "count": 1372200,
            "maximum": 617999.8016,
            "minimum": 616999.8016,
            "name": "X",
            "position": 0,
            "stddev": 233.0914041,
            "variance": 54331.60264
          },
          {
            "average": 2387310.948,
            "count": 1372200,
            "maximum": 2387998.493,
            "minimum": 2386998.473,
            "name": "Y",
            "position": 1,
            "stddev": 271.5427665,
            "variance": 73735.47403
          },
          {
            "average": -15.90943774,
            "count": 1372200,
            "maximum": -5.775374737,
            "minimum": -48.59537474,
            "name": "Z",
            "position": 2,
            "stddev": 10.38569879,
            "variance": 107.8627393
          },
          {
            "average": 203.9735388,
            "count": 1372200,
            "maximum": 3762,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 357.4931803,
            "variance": 127801.3739
          },
          {
            "average": 1.004277073,
            "count": 1372200,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0656934253,
            "variance": 0.004315626128
          },
          {
            "average": 1.005863577,
            "count": 1372200,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07695765319,
            "variance": 0.005922480385
          },
          {
            "average": 1,
            "count": 1372200,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1372200,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1372200,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.36244438,
            "count": 1372200,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.947480616,
            "variance": 48.26748691
          },
          {
            "average": 149.4074166,
            "count": 1372200,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 89.12076259,
            "variance": 7942.510324
          },
          {
            "average": 3.928999417,
            "count": 1372200,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.954271991,
            "variance": 3.819179016
          },
          {
            "average": 63835574.91,
            "count": 1372200,
            "maximum": 64011943.29,
            "minimum": 63830328.59,
            "name": "GpsTime",
            "position": 12,
            "stddev": 7160.046609,
            "variance": 51266267.45
          },
          {
            "average": 0,
            "count": 1372200,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1372200,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1372200,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1372200,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1372200,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.8016,
          2386998.473,
          -48.59537474,
          617999.8016,
          2387998.493,
          -5.775374737
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.8016074899,
                2386998.473219988,
                -48.595374737309186
              ],
              [
                616999.8016074899,
                2387998.4932199875,
                -48.595374737309186
              ],
              [
                617999.8016074899,
                2387998.4932199875,
                -5.775374737309185
              ],
              [
                617999.8016074899,
                2386998.473219988,
                -5.775374737309185
              ],
              [
                616999.8016074899,
                2386998.473219988,
                -48.595374737309186
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T22:52:23+00:00",
        "end_time": "2013-09-21T20:25:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1787.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1787.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1787.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1787.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8698452,
            21.58204809,
            -48.59537474,
            -157.8601165,
            21.59114735,
            -5.775374737
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8698451716181,
                  21.582113916549247,
                  -48.595374737309186
                ],
                [
                  -157.86977506948313,
                  21.591147351094136,
                  -48.595374737309186
                ],
                [
                  -157.86011645642574,
                  21.5910814930087,
                  -5.775374737309185
                ],
                [
                  -157.8601871573672,
                  21.582048088840143,
                  -5.775374737309185
                ],
                [
                  -157.8698451716181,
                  21.582113916549247,
                  -48.595374737309186
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1787.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1787.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T22:52:23Z",
            "pc:count": 1372200,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617501.8132,
                "count": 1372200,
                "maximum": 617999.8016,
                "minimum": 616999.8016,
                "name": "X",
                "position": 0,
                "stddev": 233.0914041,
                "variance": 54331.60264
              },
              {
                "average": 2387310.948,
                "count": 1372200,
                "maximum": 2387998.493,
                "minimum": 2386998.473,
                "name": "Y",
                "position": 1,
                "stddev": 271.5427665,
                "variance": 73735.47403
              },
              {
                "average": -15.90943774,
                "count": 1372200,
                "maximum": -5.775374737,
                "minimum": -48.59537474,
                "name": "Z",
                "position": 2,
                "stddev": 10.38569879,
                "variance": 107.8627393
              },
              {
                "average": 203.9735388,
                "count": 1372200,
                "maximum": 3762,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 357.4931803,
                "variance": 127801.3739
              },
              {
                "average": 1.004277073,
                "count": 1372200,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0656934253,
                "variance": 0.004315626128
              },
              {
                "average": 1.005863577,
                "count": 1372200,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07695765319,
                "variance": 0.005922480385
              },
              {
                "average": 1,
                "count": 1372200,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1372200,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1372200,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.36244438,
                "count": 1372200,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.947480616,
                "variance": 48.26748691
              },
              {
                "average": 149.4074166,
                "count": 1372200,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 89.12076259,
                "variance": 7942.510324
              },
              {
                "average": 3.928999417,
                "count": 1372200,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.954271991,
                "variance": 3.819179016
              },
              {
                "average": 63835574.91,
                "count": 1372200,
                "maximum": 64011943.29,
                "minimum": 63830328.59,
                "name": "GpsTime",
                "position": 12,
                "stddev": 7160.046609,
                "variance": 51266267.45
              },
              {
                "average": 0,
                "count": 1372200,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1372200,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1372200,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1372200,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1372200,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.8016,
              2386998.473,
              -48.59537474,
              617999.8016,
              2387998.493,
              -5.775374737
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.8016074899,
                    2386998.473219988,
                    -48.595374737309186
                  ],
                  [
                    616999.8016074899,
                    2387998.4932199875,
                    -48.595374737309186
                  ],
                  [
                    617999.8016074899,
                    2387998.4932199875,
                    -5.775374737309185
                  ],
                  [
                    617999.8016074899,
                    2386998.473219988,
                    -5.775374737309185
                  ],
                  [
                    616999.8016074899,
                    2386998.473219988,
                    -48.595374737309186
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T22:52:23+00:00",
            "end_time": "2013-09-21T20:25:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1395.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90793520350158,
              21.65463845242153,
              -46.532766138509515
            ],
            [
              -157.90789438609005,
              21.660062222987555,
              -46.532766138509515
            ],
            [
              -157.9018820627288,
              21.660022567577073,
              -20.592766138509518
            ],
            [
              -157.90192310481623,
              21.654598807929442,
              -20.592766138509518
            ],
            [
              -157.90793520350158,
              21.65463845242153,
              -46.532766138509515
            ]
          ]
        ]
      },
      "bbox": [
        -157.9079352,
        21.65459881,
        -46.53276614,
        -157.9018821,
        21.66006222,
        -20.59276614
      ],
      "properties": {
        "datetime": "2013-09-21T20:49:05Z",
        "pc:count": 84502,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613159.7679,
            "count": 84502,
            "maximum": 613621.9591,
            "minimum": 612999.7791,
            "name": "X",
            "position": 0,
            "stddev": 123.7835977,
            "variance": 15322.37905
          },
          {
            "average": 2395167.378,
            "count": 84502,
            "maximum": 2395598.908,
            "minimum": 2394998.488,
            "name": "Y",
            "position": 1,
            "stddev": 121.179083,
            "variance": 14684.37015
          },
          {
            "average": -31.52305418,
            "count": 84502,
            "maximum": -20.59276614,
            "minimum": -46.53276614,
            "name": "Z",
            "position": 2,
            "stddev": 4.613167175,
            "variance": 21.28131138
          },
          {
            "average": 409.815815,
            "count": 84502,
            "maximum": 3934,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 216.6111156,
            "variance": 46920.37542
          },
          {
            "average": 1.002295804,
            "count": 84502,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04785979567,
            "variance": 0.002290560042
          },
          {
            "average": 1.002449646,
            "count": 84502,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04943353431,
            "variance": 0.002443674314
          },
          {
            "average": 1,
            "count": 84502,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84502,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 84502,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.57377396,
            "count": 84502,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.418486904,
            "variance": 70.87092175
          },
          {
            "average": 249.0307093,
            "count": 84502,
            "maximum": 252,
            "minimum": 94,
            "name": "UserData",
            "position": 10,
            "stddev": 0.563011685,
            "variance": 0.3169821574
          },
          {
            "average": 1.870109583,
            "count": 84502,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.957866251,
            "variance": 0.9175077548
          },
          {
            "average": 63830748.21,
            "count": 84502,
            "maximum": 63831745.81,
            "minimum": 63830447.66,
            "name": "GpsTime",
            "position": 12,
            "stddev": 409.570239,
            "variance": 167747.7807
          },
          {
            "average": 0,
            "count": 84502,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84502,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84502,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84502,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 84502,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7791,
          2394998.488,
          -46.53276614,
          613621.9591,
          2395598.908,
          -20.59276614
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.7791436886,
                2394998.487535092,
                -46.532766138509515
              ],
              [
                612999.7791436886,
                2395598.907535092,
                -46.532766138509515
              ],
              [
                613621.9591436886,
                2395598.907535092,
                -20.592766138509518
              ],
              [
                613621.9591436886,
                2394998.487535092,
                -20.592766138509518
              ],
              [
                612999.7791436886,
                2394998.487535092,
                -46.532766138509515
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T20:49:05+00:00",
        "end_time": "2013-09-21T20:27:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1395.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1395.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1395.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1395.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9079352,
            21.65459881,
            -46.53276614,
            -157.9018821,
            21.66006222,
            -20.59276614
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90793520350158,
                  21.65463845242153,
                  -46.532766138509515
                ],
                [
                  -157.90789438609005,
                  21.660062222987555,
                  -46.532766138509515
                ],
                [
                  -157.9018820627288,
                  21.660022567577073,
                  -20.592766138509518
                ],
                [
                  -157.90192310481623,
                  21.654598807929442,
                  -20.592766138509518
                ],
                [
                  -157.90793520350158,
                  21.65463845242153,
                  -46.532766138509515
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1395.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1395.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T20:49:05Z",
            "pc:count": 84502,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613159.7679,
                "count": 84502,
                "maximum": 613621.9591,
                "minimum": 612999.7791,
                "name": "X",
                "position": 0,
                "stddev": 123.7835977,
                "variance": 15322.37905
              },
              {
                "average": 2395167.378,
                "count": 84502,
                "maximum": 2395598.908,
                "minimum": 2394998.488,
                "name": "Y",
                "position": 1,
                "stddev": 121.179083,
                "variance": 14684.37015
              },
              {
                "average": -31.52305418,
                "count": 84502,
                "maximum": -20.59276614,
                "minimum": -46.53276614,
                "name": "Z",
                "position": 2,
                "stddev": 4.613167175,
                "variance": 21.28131138
              },
              {
                "average": 409.815815,
                "count": 84502,
                "maximum": 3934,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 216.6111156,
                "variance": 46920.37542
              },
              {
                "average": 1.002295804,
                "count": 84502,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04785979567,
                "variance": 0.002290560042
              },
              {
                "average": 1.002449646,
                "count": 84502,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04943353431,
                "variance": 0.002443674314
              },
              {
                "average": 1,
                "count": 84502,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84502,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 84502,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.57377396,
                "count": 84502,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.418486904,
                "variance": 70.87092175
              },
              {
                "average": 249.0307093,
                "count": 84502,
                "maximum": 252,
                "minimum": 94,
                "name": "UserData",
                "position": 10,
                "stddev": 0.563011685,
                "variance": 0.3169821574
              },
              {
                "average": 1.870109583,
                "count": 84502,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.957866251,
                "variance": 0.9175077548
              },
              {
                "average": 63830748.21,
                "count": 84502,
                "maximum": 63831745.81,
                "minimum": 63830447.66,
                "name": "GpsTime",
                "position": 12,
                "stddev": 409.570239,
                "variance": 167747.7807
              },
              {
                "average": 0,
                "count": 84502,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84502,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84502,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84502,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 84502,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7791,
              2394998.488,
              -46.53276614,
              613621.9591,
              2395598.908,
              -20.59276614
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.7791436886,
                    2394998.487535092,
                    -46.532766138509515
                  ],
                  [
                    612999.7791436886,
                    2395598.907535092,
                    -46.532766138509515
                  ],
                  [
                    613621.9591436886,
                    2395598.907535092,
                    -20.592766138509518
                  ],
                  [
                    613621.9591436886,
                    2394998.487535092,
                    -20.592766138509518
                  ],
                  [
                    612999.7791436886,
                    2394998.487535092,
                    -46.532766138509515
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T20:49:05+00:00",
            "end_time": "2013-09-21T20:27:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1155.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92990450311422,
              21.29342195302887,
              -23.917254942179913
            ],
            [
              -157.92983910459216,
              21.30245570103429,
              -23.917254942179913
            ],
            [
              -157.9201992364043,
              21.30239411643037,
              1.302745057820086
            ],
            [
              -157.92026522441975,
              21.29336039789578,
              1.302745057820086
            ],
            [
              -157.92990450311422,
              21.29342195302887,
              -23.917254942179913
            ]
          ]
        ]
      },
      "bbox": [
        -157.9299045,
        21.2933604,
        -23.91725494,
        -157.9201992,
        21.3024557,
        1.302745058
      ],
      "properties": {
        "datetime": "2013-09-17T12:15:50Z",
        "pc:count": 3460126,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611544.1307,
            "count": 3460126,
            "maximum": 611999.7463,
            "minimum": 610999.7463,
            "name": "X",
            "position": 0,
            "stddev": 278.9827738,
            "variance": 77831.38809
          },
          {
            "average": 2355659.776,
            "count": 3460126,
            "maximum": 2355998.451,
            "minimum": 2354998.451,
            "name": "Y",
            "position": 1,
            "stddev": 227.6917928,
            "variance": 51843.55251
          },
          {
            "average": -3.762148871,
            "count": 3460126,
            "maximum": 1.302745058,
            "minimum": -23.91725494,
            "name": "Z",
            "position": 2,
            "stddev": 4.649890028,
            "variance": 21.62147727
          },
          {
            "average": 8.170397552,
            "count": 3460126,
            "maximum": 428,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.82760384,
            "variance": 521.099497
          },
          {
            "average": 1.010624469,
            "count": 3460126,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1031807613,
            "variance": 0.01064626951
          },
          {
            "average": 1.014823449,
            "count": 3460126,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1219220261,
            "variance": 0.01486498045
          },
          {
            "average": 1,
            "count": 3460126,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3460126,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.99690503,
            "count": 3460126,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2892962332,
            "variance": 0.08369231052
          },
          {
            "average": 0,
            "count": 3460126,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 107.3619045,
            "count": 3460126,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 83.68840663,
            "variance": 7003.749405
          },
          {
            "average": 5.648908161,
            "count": 3460126,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.102213558,
            "variance": 26.03258319
          },
          {
            "average": 63364569.46,
            "count": 3460126,
            "maximum": 63455350.94,
            "minimum": 63275514.31,
            "name": "GpsTime",
            "position": 12,
            "stddev": 71517.20391,
            "variance": 5114710455
          },
          {
            "average": 0,
            "count": 3460126,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3460126,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3460126,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3460126,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3460126,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7463,
          2354998.451,
          -23.91725494,
          611999.7463,
          2355998.451,
          1.302745058
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7462662125,
                2354998.4505825406,
                -23.917254942179913
              ],
              [
                610999.7462662125,
                2355998.4505825406,
                -23.917254942179913
              ],
              [
                611999.7462662125,
                2355998.4505825406,
                1.302745057820086
              ],
              [
                611999.7462662125,
                2354998.4505825406,
                1.302745057820086
              ],
              [
                610999.7462662125,
                2354998.4505825406,
                -23.917254942179913
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:15:50+00:00",
        "end_time": "2013-09-15T10:18:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1155.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1155.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1155.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1155.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9299045,
            21.2933604,
            -23.91725494,
            -157.9201992,
            21.3024557,
            1.302745058
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92990450311422,
                  21.29342195302887,
                  -23.917254942179913
                ],
                [
                  -157.92983910459216,
                  21.30245570103429,
                  -23.917254942179913
                ],
                [
                  -157.9201992364043,
                  21.30239411643037,
                  1.302745057820086
                ],
                [
                  -157.92026522441975,
                  21.29336039789578,
                  1.302745057820086
                ],
                [
                  -157.92990450311422,
                  21.29342195302887,
                  -23.917254942179913
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1155.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1155.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:15:50Z",
            "pc:count": 3460126,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611544.1307,
                "count": 3460126,
                "maximum": 611999.7463,
                "minimum": 610999.7463,
                "name": "X",
                "position": 0,
                "stddev": 278.9827738,
                "variance": 77831.38809
              },
              {
                "average": 2355659.776,
                "count": 3460126,
                "maximum": 2355998.451,
                "minimum": 2354998.451,
                "name": "Y",
                "position": 1,
                "stddev": 227.6917928,
                "variance": 51843.55251
              },
              {
                "average": -3.762148871,
                "count": 3460126,
                "maximum": 1.302745058,
                "minimum": -23.91725494,
                "name": "Z",
                "position": 2,
                "stddev": 4.649890028,
                "variance": 21.62147727
              },
              {
                "average": 8.170397552,
                "count": 3460126,
                "maximum": 428,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.82760384,
                "variance": 521.099497
              },
              {
                "average": 1.010624469,
                "count": 3460126,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1031807613,
                "variance": 0.01064626951
              },
              {
                "average": 1.014823449,
                "count": 3460126,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1219220261,
                "variance": 0.01486498045
              },
              {
                "average": 1,
                "count": 3460126,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3460126,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.99690503,
                "count": 3460126,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2892962332,
                "variance": 0.08369231052
              },
              {
                "average": 0,
                "count": 3460126,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 107.3619045,
                "count": 3460126,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 83.68840663,
                "variance": 7003.749405
              },
              {
                "average": 5.648908161,
                "count": 3460126,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.102213558,
                "variance": 26.03258319
              },
              {
                "average": 63364569.46,
                "count": 3460126,
                "maximum": 63455350.94,
                "minimum": 63275514.31,
                "name": "GpsTime",
                "position": 12,
                "stddev": 71517.20391,
                "variance": 5114710455
              },
              {
                "average": 0,
                "count": 3460126,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3460126,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3460126,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3460126,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3460126,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7463,
              2354998.451,
              -23.91725494,
              611999.7463,
              2355998.451,
              1.302745058
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7462662125,
                    2354998.4505825406,
                    -23.917254942179913
                  ],
                  [
                    610999.7462662125,
                    2355998.4505825406,
                    -23.917254942179913
                  ],
                  [
                    611999.7462662125,
                    2355998.4505825406,
                    1.302745057820086
                  ],
                  [
                    611999.7462662125,
                    2354998.4505825406,
                    1.302745057820086
                  ],
                  [
                    610999.7462662125,
                    2354998.4505825406,
                    -23.917254942179913
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:15:50+00:00",
            "end_time": "2013-09-15T10:18:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1454.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8995503550837,
              21.287962064598815,
              -19.944187745730623
            ],
            [
              -157.8995111813594,
              21.293225981121857,
              -19.944187745730623
            ],
            [
              -157.891347601877,
              21.29317242014712,
              -5.564187745730623
            ],
            [
              -157.8913870665819,
              21.287908517890003,
              -5.564187745730623
            ],
            [
              -157.8995503550837,
              21.287962064598815,
              -19.944187745730623
            ]
          ]
        ]
      },
      "bbox": [
        -157.8995504,
        21.28790852,
        -19.94418775,
        -157.8913476,
        21.29322598,
        -5.564187746
      ],
      "properties": {
        "datetime": "2013-09-15T12:38:34Z",
        "pc:count": 538013,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614685.8144,
            "count": 538013,
            "maximum": 614999.7553,
            "minimum": 614152.8353,
            "name": "X",
            "position": 0,
            "stddev": 213.5209945,
            "variance": 45591.21509
          },
          {
            "average": 2354844.447,
            "count": 538013,
            "maximum": 2354998.447,
            "minimum": 2354415.747,
            "name": "Y",
            "position": 1,
            "stddev": 121.2463439,
            "variance": 14700.67591
          },
          {
            "average": -9.738958839,
            "count": 538013,
            "maximum": -5.564187746,
            "minimum": -19.94418775,
            "name": "Z",
            "position": 2,
            "stddev": 2.522179244,
            "variance": 6.361388137
          },
          {
            "average": 35.30145554,
            "count": 538013,
            "maximum": 420,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 69.94288281,
            "variance": 4892.006856
          },
          {
            "average": 1.009704226,
            "count": 538013,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09818254143,
            "variance": 0.009639811442
          },
          {
            "average": 1.018088782,
            "count": 538013,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1336348133,
            "variance": 0.01785826333
          },
          {
            "average": 1,
            "count": 538013,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 538013,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 538013,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.52208817,
            "count": 538013,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.259994991,
            "variance": 27.66754731
          },
          {
            "average": 113.6089834,
            "count": 538013,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 84.74074161,
            "variance": 7180.993288
          },
          {
            "average": 18.33142322,
            "count": 538013,
            "maximum": 19,
            "minimum": 17,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8795134717,
            "variance": 0.7735439468
          },
          {
            "average": 63283638.14,
            "count": 538013,
            "maximum": 63283914.24,
            "minimum": 63283058.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 366.4873648,
            "variance": 134312.9886
          },
          {
            "average": 0,
            "count": 538013,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 538013,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 538013,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 538013,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 538013,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614152.8353,
          2354415.747,
          -19.94418775,
          614999.7553,
          2354998.447,
          -5.564187746
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614152.8352967238,
                2354415.747327078,
                -19.944187745730623
              ],
              [
                614152.8352967238,
                2354998.4473270783,
                -19.944187745730623
              ],
              [
                614999.7552967237,
                2354998.4473270783,
                -5.564187745730623
              ],
              [
                614999.7552967237,
                2354415.747327078,
                -5.564187745730623
              ],
              [
                614152.8352967238,
                2354415.747327078,
                -19.944187745730623
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T12:38:34+00:00",
        "end_time": "2013-09-15T12:24:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1454.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1454.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1454.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1454.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8995504,
            21.28790852,
            -19.94418775,
            -157.8913476,
            21.29322598,
            -5.564187746
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8995503550837,
                  21.287962064598815,
                  -19.944187745730623
                ],
                [
                  -157.8995111813594,
                  21.293225981121857,
                  -19.944187745730623
                ],
                [
                  -157.891347601877,
                  21.29317242014712,
                  -5.564187745730623
                ],
                [
                  -157.8913870665819,
                  21.287908517890003,
                  -5.564187745730623
                ],
                [
                  -157.8995503550837,
                  21.287962064598815,
                  -19.944187745730623
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1454.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1454.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T12:38:34Z",
            "pc:count": 538013,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614685.8144,
                "count": 538013,
                "maximum": 614999.7553,
                "minimum": 614152.8353,
                "name": "X",
                "position": 0,
                "stddev": 213.5209945,
                "variance": 45591.21509
              },
              {
                "average": 2354844.447,
                "count": 538013,
                "maximum": 2354998.447,
                "minimum": 2354415.747,
                "name": "Y",
                "position": 1,
                "stddev": 121.2463439,
                "variance": 14700.67591
              },
              {
                "average": -9.738958839,
                "count": 538013,
                "maximum": -5.564187746,
                "minimum": -19.94418775,
                "name": "Z",
                "position": 2,
                "stddev": 2.522179244,
                "variance": 6.361388137
              },
              {
                "average": 35.30145554,
                "count": 538013,
                "maximum": 420,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 69.94288281,
                "variance": 4892.006856
              },
              {
                "average": 1.009704226,
                "count": 538013,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09818254143,
                "variance": 0.009639811442
              },
              {
                "average": 1.018088782,
                "count": 538013,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1336348133,
                "variance": 0.01785826333
              },
              {
                "average": 1,
                "count": 538013,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 538013,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 538013,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.52208817,
                "count": 538013,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.259994991,
                "variance": 27.66754731
              },
              {
                "average": 113.6089834,
                "count": 538013,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 84.74074161,
                "variance": 7180.993288
              },
              {
                "average": 18.33142322,
                "count": 538013,
                "maximum": 19,
                "minimum": 17,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8795134717,
                "variance": 0.7735439468
              },
              {
                "average": 63283638.14,
                "count": 538013,
                "maximum": 63283914.24,
                "minimum": 63283058.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 366.4873648,
                "variance": 134312.9886
              },
              {
                "average": 0,
                "count": 538013,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 538013,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 538013,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 538013,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 538013,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614152.8353,
              2354415.747,
              -19.94418775,
              614999.7553,
              2354998.447,
              -5.564187746
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614152.8352967238,
                    2354415.747327078,
                    -19.944187745730623
                  ],
                  [
                    614152.8352967238,
                    2354998.4473270783,
                    -19.944187745730623
                  ],
                  [
                    614999.7552967237,
                    2354998.4473270783,
                    -5.564187745730623
                  ],
                  [
                    614999.7552967237,
                    2354415.747327078,
                    -5.564187745730623
                  ],
                  [
                    614152.8352967238,
                    2354415.747327078,
                    -19.944187745730623
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T12:38:34+00:00",
            "end_time": "2013-09-15T12:24:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1788.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.869775098291,
              21.591147323670576,
              -56.796924336894236
            ],
            [
              -157.86970945890744,
              21.599601536618472,
              -56.796924336894236
            ],
            [
              -157.86019845649457,
              21.599536665069365,
              -28.27692433689424
            ],
            [
              -157.86026464808768,
              21.591082480079212,
              -28.27692433689424
            ],
            [
              -157.869775098291,
              21.591147323670576,
              -56.796924336894236
            ]
          ]
        ]
      },
      "bbox": [
        -157.8697751,
        21.59108248,
        -56.79692434,
        -157.8601985,
        21.59960154,
        -28.27692434
      ],
      "properties": {
        "datetime": "2013-09-21T21:07:08Z",
        "pc:count": 90500,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617273.6133,
            "count": 90500,
            "maximum": 617984.4586,
            "minimum": 616999.7986,
            "name": "X",
            "position": 0,
            "stddev": 213.6707875,
            "variance": 45655.20542
          },
          {
            "average": 2388121.626,
            "count": 90500,
            "maximum": 2388934.39,
            "minimum": 2387998.49,
            "name": "Y",
            "position": 1,
            "stddev": 114.9676135,
            "variance": 13217.55215
          },
          {
            "average": -37.48677174,
            "count": 90500,
            "maximum": -28.27692434,
            "minimum": -56.79692434,
            "name": "Z",
            "position": 2,
            "stddev": 3.781389238,
            "variance": 14.29890457
          },
          {
            "average": 817.4558122,
            "count": 90500,
            "maximum": 5826,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 386.5825715,
            "variance": 149446.0846
          },
          {
            "average": 1.001171271,
            "count": 90500,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03420397302,
            "variance": 0.00116991177
          },
          {
            "average": 1.00118232,
            "count": 90500,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0343647437,
            "variance": 0.001180935609
          },
          {
            "average": 1,
            "count": 90500,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 90500,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 90500,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.6679055,
            "count": 90500,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.485926284,
            "variance": 72.0109449
          },
          {
            "average": 249.0051713,
            "count": 90500,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.07172576611,
            "variance": 0.005144585524
          },
          {
            "average": 3.934154696,
            "count": 90500,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.386766783,
            "variance": 1.92312211
          },
          {
            "average": 63831715.06,
            "count": 90500,
            "maximum": 63832828.29,
            "minimum": 63830334.41,
            "name": "GpsTime",
            "position": 12,
            "stddev": 671.9883874,
            "variance": 451568.3928
          },
          {
            "average": 0,
            "count": 90500,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 90500,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 90500,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 90500,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 90500,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.7986,
          2387998.49,
          -56.79692434,
          617984.4586,
          2388934.39,
          -28.27692434
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.7986470795,
                2387998.490162649,
                -56.796924336894236
              ],
              [
                616999.7986470795,
                2388934.3901626496,
                -56.796924336894236
              ],
              [
                617984.4586470794,
                2388934.3901626496,
                -28.27692433689424
              ],
              [
                617984.4586470794,
                2387998.490162649,
                -28.27692433689424
              ],
              [
                616999.7986470795,
                2387998.490162649,
                -56.796924336894236
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T21:07:08+00:00",
        "end_time": "2013-09-21T20:25:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1788.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1788.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1788.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1788.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8697751,
            21.59108248,
            -56.79692434,
            -157.8601985,
            21.59960154,
            -28.27692434
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.869775098291,
                  21.591147323670576,
                  -56.796924336894236
                ],
                [
                  -157.86970945890744,
                  21.599601536618472,
                  -56.796924336894236
                ],
                [
                  -157.86019845649457,
                  21.599536665069365,
                  -28.27692433689424
                ],
                [
                  -157.86026464808768,
                  21.591082480079212,
                  -28.27692433689424
                ],
                [
                  -157.869775098291,
                  21.591147323670576,
                  -56.796924336894236
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1788.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1788.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T21:07:08Z",
            "pc:count": 90500,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617273.6133,
                "count": 90500,
                "maximum": 617984.4586,
                "minimum": 616999.7986,
                "name": "X",
                "position": 0,
                "stddev": 213.6707875,
                "variance": 45655.20542
              },
              {
                "average": 2388121.626,
                "count": 90500,
                "maximum": 2388934.39,
                "minimum": 2387998.49,
                "name": "Y",
                "position": 1,
                "stddev": 114.9676135,
                "variance": 13217.55215
              },
              {
                "average": -37.48677174,
                "count": 90500,
                "maximum": -28.27692434,
                "minimum": -56.79692434,
                "name": "Z",
                "position": 2,
                "stddev": 3.781389238,
                "variance": 14.29890457
              },
              {
                "average": 817.4558122,
                "count": 90500,
                "maximum": 5826,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 386.5825715,
                "variance": 149446.0846
              },
              {
                "average": 1.001171271,
                "count": 90500,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03420397302,
                "variance": 0.00116991177
              },
              {
                "average": 1.00118232,
                "count": 90500,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0343647437,
                "variance": 0.001180935609
              },
              {
                "average": 1,
                "count": 90500,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 90500,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 90500,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.6679055,
                "count": 90500,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.485926284,
                "variance": 72.0109449
              },
              {
                "average": 249.0051713,
                "count": 90500,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.07172576611,
                "variance": 0.005144585524
              },
              {
                "average": 3.934154696,
                "count": 90500,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.386766783,
                "variance": 1.92312211
              },
              {
                "average": 63831715.06,
                "count": 90500,
                "maximum": 63832828.29,
                "minimum": 63830334.41,
                "name": "GpsTime",
                "position": 12,
                "stddev": 671.9883874,
                "variance": 451568.3928
              },
              {
                "average": 0,
                "count": 90500,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 90500,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 90500,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 90500,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 90500,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.7986,
              2387998.49,
              -56.79692434,
              617984.4586,
              2388934.39,
              -28.27692434
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.7986470795,
                    2387998.490162649,
                    -56.796924336894236
                  ],
                  [
                    616999.7986470795,
                    2388934.3901626496,
                    -56.796924336894236
                  ],
                  [
                    617984.4586470794,
                    2388934.3901626496,
                    -28.27692433689424
                  ],
                  [
                    617984.4586470794,
                    2387998.490162649,
                    -28.27692433689424
                  ],
                  [
                    616999.7986470795,
                    2387998.490162649,
                    -56.796924336894236
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T21:07:08+00:00",
            "end_time": "2013-09-21T20:25:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9491.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.09176498533515,
              21.61960896838126,
              -19.416660861072906
            ],
            [
              -158.09170857817696,
              21.62864297798049,
              -19.416660861072906
            ],
            [
              -158.08204660068412,
              21.628589905526535,
              30.423339138927098
            ],
            [
              -158.08210361075828,
              21.6195559193852,
              30.423339138927098
            ],
            [
              -158.09176498533515,
              21.61960896838126,
              -19.416660861072906
            ]
          ]
        ]
      },
      "bbox": [
        -158.091765,
        21.61955592,
        -19.41666086,
        -158.0820466,
        21.62864298,
        30.42333914
      ],
      "properties": {
        "datetime": "2013-09-22T23:58:07Z",
        "pc:count": 8649700,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 594528.1123,
            "count": 8649700,
            "maximum": 594999.6481,
            "minimum": 593999.6281,
            "name": "X",
            "position": 0,
            "stddev": 283.200113,
            "variance": 80202.30401
          },
          {
            "average": 2391464.798,
            "count": 8649700,
            "maximum": 2391998.494,
            "minimum": 2390998.474,
            "name": "Y",
            "position": 1,
            "stddev": 281.2117266,
            "variance": 79080.03519
          },
          {
            "average": -5.616034289,
            "count": 8649700,
            "maximum": 30.42333914,
            "minimum": -19.41666086,
            "name": "Z",
            "position": 2,
            "stddev": 6.303858955,
            "variance": 39.73863772
          },
          {
            "average": 15.26459819,
            "count": 8649700,
            "maximum": 8612,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.12867634,
            "variance": 1774.825371
          },
          {
            "average": 1.092617201,
            "count": 8649700,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3945787547,
            "variance": 0.1556923937
          },
          {
            "average": 1.173074789,
            "count": 8649700,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5933948807,
            "variance": 0.3521174844
          },
          {
            "average": 1,
            "count": 8649700,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8649700,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 25.9082204,
            "count": 8649700,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.752019415,
            "variance": 76.59784384
          },
          {
            "average": 19.31794173,
            "count": 8649700,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.148849144,
            "variance": 26.51064751
          },
          {
            "average": 95.08840307,
            "count": 8649700,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.06007206,
            "variance": 4769.293552
          },
          {
            "average": 3.942990971,
            "count": 8649700,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.236022898,
            "variance": 4.9997984
          },
          {
            "average": 63322178.8,
            "count": 8649700,
            "maximum": 63929487.75,
            "minimum": 62801419.01,
            "name": "GpsTime",
            "position": 12,
            "stddev": 461263.6119,
            "variance": 212764119700.0
          },
          {
            "average": 0,
            "count": 8649700,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8649700,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8649700,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8649700,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8649700,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          593999.6281,
          2390998.474,
          -19.41666086,
          594999.6481,
          2391998.494,
          30.42333914
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                593999.6281083298,
                2390998.4739165585,
                -19.416660861072906
              ],
              [
                593999.6281083298,
                2391998.493916558,
                -19.416660861072906
              ],
              [
                594999.6481083299,
                2391998.493916558,
                30.423339138927098
              ],
              [
                594999.6481083299,
                2390998.4739165585,
                30.423339138927098
              ],
              [
                593999.6281083298,
                2390998.4739165585,
                -19.416660861072906
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:58:07+00:00",
        "end_time": "2013-09-09T22:36:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9491.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9491.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9491.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9491.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.091765,
            21.61955592,
            -19.41666086,
            -158.0820466,
            21.62864298,
            30.42333914
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.09176498533515,
                  21.61960896838126,
                  -19.416660861072906
                ],
                [
                  -158.09170857817696,
                  21.62864297798049,
                  -19.416660861072906
                ],
                [
                  -158.08204660068412,
                  21.628589905526535,
                  30.423339138927098
                ],
                [
                  -158.08210361075828,
                  21.6195559193852,
                  30.423339138927098
                ],
                [
                  -158.09176498533515,
                  21.61960896838126,
                  -19.416660861072906
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9491.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9491.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:58:07Z",
            "pc:count": 8649700,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 594528.1123,
                "count": 8649700,
                "maximum": 594999.6481,
                "minimum": 593999.6281,
                "name": "X",
                "position": 0,
                "stddev": 283.200113,
                "variance": 80202.30401
              },
              {
                "average": 2391464.798,
                "count": 8649700,
                "maximum": 2391998.494,
                "minimum": 2390998.474,
                "name": "Y",
                "position": 1,
                "stddev": 281.2117266,
                "variance": 79080.03519
              },
              {
                "average": -5.616034289,
                "count": 8649700,
                "maximum": 30.42333914,
                "minimum": -19.41666086,
                "name": "Z",
                "position": 2,
                "stddev": 6.303858955,
                "variance": 39.73863772
              },
              {
                "average": 15.26459819,
                "count": 8649700,
                "maximum": 8612,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.12867634,
                "variance": 1774.825371
              },
              {
                "average": 1.092617201,
                "count": 8649700,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3945787547,
                "variance": 0.1556923937
              },
              {
                "average": 1.173074789,
                "count": 8649700,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5933948807,
                "variance": 0.3521174844
              },
              {
                "average": 1,
                "count": 8649700,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8649700,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 25.9082204,
                "count": 8649700,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.752019415,
                "variance": 76.59784384
              },
              {
                "average": 19.31794173,
                "count": 8649700,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.148849144,
                "variance": 26.51064751
              },
              {
                "average": 95.08840307,
                "count": 8649700,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.06007206,
                "variance": 4769.293552
              },
              {
                "average": 3.942990971,
                "count": 8649700,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.236022898,
                "variance": 4.9997984
              },
              {
                "average": 63322178.8,
                "count": 8649700,
                "maximum": 63929487.75,
                "minimum": 62801419.01,
                "name": "GpsTime",
                "position": 12,
                "stddev": 461263.6119,
                "variance": 212764119700.0
              },
              {
                "average": 0,
                "count": 8649700,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8649700,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8649700,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8649700,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8649700,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              593999.6281,
              2390998.474,
              -19.41666086,
              594999.6481,
              2391998.494,
              30.42333914
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    593999.6281083298,
                    2390998.4739165585,
                    -19.416660861072906
                  ],
                  [
                    593999.6281083298,
                    2391998.493916558,
                    -19.416660861072906
                  ],
                  [
                    594999.6481083299,
                    2391998.493916558,
                    30.423339138927098
                  ],
                  [
                    594999.6481083299,
                    2390998.4739165585,
                    30.423339138927098
                  ],
                  [
                    593999.6281083298,
                    2390998.4739165585,
                    -19.416660861072906
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:58:07+00:00",
            "end_time": "2013-09-09T22:36:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1852.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8565492081578,
              21.271740868216792,
              -52.70018285813853
            ],
            [
              -157.85652502019707,
              21.274871356962564,
              -52.70018285813853
            ],
            [
              -157.85293147085235,
              21.27484692657189,
              -33.06018285813853
            ],
            [
              -157.85295573489395,
              21.271716441730796,
              -33.06018285813853
            ],
            [
              -157.8565492081578,
              21.271740868216792,
              -52.70018285813853
            ]
          ]
        ]
      },
      "bbox": [
        -157.8565492,
        21.27171644,
        -52.70018286,
        -157.8529315,
        21.27487136,
        -33.06018286
      ],
      "properties": {
        "datetime": "2013-09-17T12:50:03Z",
        "pc:count": 30805,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618890.4355,
            "count": 30805,
            "maximum": 618999.7622,
            "minimum": 618626.9022,
            "name": "X",
            "position": 0,
            "stddev": 83.56105067,
            "variance": 6982.449188
          },
          {
            "average": 2352912.773,
            "count": 30805,
            "maximum": 2352998.435,
            "minimum": 2352651.895,
            "name": "Y",
            "position": 1,
            "stddev": 66.82916191,
            "variance": 4466.136881
          },
          {
            "average": -44.2622955,
            "count": 30805,
            "maximum": -33.06018286,
            "minimum": -52.70018286,
            "name": "Z",
            "position": 2,
            "stddev": 4.960163947,
            "variance": 24.60322638
          },
          {
            "average": 907.4937186,
            "count": 30805,
            "maximum": 3586,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 962.3050592,
            "variance": 926031.0269
          },
          {
            "average": 1.006297679,
            "count": 30805,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07910892076,
            "variance": 0.006258221344
          },
          {
            "average": 1.006297679,
            "count": 30805,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07910892076,
            "variance": 0.006258221344
          },
          {
            "average": 1,
            "count": 30805,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 30805,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 30805,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.071550958,
            "count": 30805,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.889133516,
            "variance": 34.68189357
          },
          {
            "average": 249.05379,
            "count": 30805,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.2307284539,
            "variance": 0.05323561944
          },
          {
            "average": 13.66076936,
            "count": 30805,
            "maximum": 18,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.409874,
            "variance": 19.4469887
          },
          {
            "average": 63334019.06,
            "count": 30805,
            "maximum": 63457403.02,
            "minimum": 63282342.87,
            "name": "GpsTime",
            "position": 12,
            "stddev": 79405.33422,
            "variance": 6305207103
          },
          {
            "average": 0,
            "count": 30805,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 30805,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 30805,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 30805,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 30805,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618626.9022,
          2352651.895,
          -52.70018286,
          618999.7622,
          2352998.435,
          -33.06018286
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618626.9021543032,
                2352651.8949040067,
                -52.70018285813853
              ],
              [
                618626.9021543032,
                2352998.434904007,
                -52.70018285813853
              ],
              [
                618999.7621543033,
                2352998.434904007,
                -33.06018285813853
              ],
              [
                618999.7621543033,
                2352651.8949040067,
                -33.06018285813853
              ],
              [
                618626.9021543032,
                2352651.8949040067,
                -52.70018285813853
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:50:03+00:00",
        "end_time": "2013-09-15T12:12:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1852.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1852.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1852.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1852.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8565492,
            21.27171644,
            -52.70018286,
            -157.8529315,
            21.27487136,
            -33.06018286
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8565492081578,
                  21.271740868216792,
                  -52.70018285813853
                ],
                [
                  -157.85652502019707,
                  21.274871356962564,
                  -52.70018285813853
                ],
                [
                  -157.85293147085235,
                  21.27484692657189,
                  -33.06018285813853
                ],
                [
                  -157.85295573489395,
                  21.271716441730796,
                  -33.06018285813853
                ],
                [
                  -157.8565492081578,
                  21.271740868216792,
                  -52.70018285813853
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1852.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1852.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:50:03Z",
            "pc:count": 30805,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618890.4355,
                "count": 30805,
                "maximum": 618999.7622,
                "minimum": 618626.9022,
                "name": "X",
                "position": 0,
                "stddev": 83.56105067,
                "variance": 6982.449188
              },
              {
                "average": 2352912.773,
                "count": 30805,
                "maximum": 2352998.435,
                "minimum": 2352651.895,
                "name": "Y",
                "position": 1,
                "stddev": 66.82916191,
                "variance": 4466.136881
              },
              {
                "average": -44.2622955,
                "count": 30805,
                "maximum": -33.06018286,
                "minimum": -52.70018286,
                "name": "Z",
                "position": 2,
                "stddev": 4.960163947,
                "variance": 24.60322638
              },
              {
                "average": 907.4937186,
                "count": 30805,
                "maximum": 3586,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 962.3050592,
                "variance": 926031.0269
              },
              {
                "average": 1.006297679,
                "count": 30805,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07910892076,
                "variance": 0.006258221344
              },
              {
                "average": 1.006297679,
                "count": 30805,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07910892076,
                "variance": 0.006258221344
              },
              {
                "average": 1,
                "count": 30805,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 30805,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 30805,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.071550958,
                "count": 30805,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.889133516,
                "variance": 34.68189357
              },
              {
                "average": 249.05379,
                "count": 30805,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.2307284539,
                "variance": 0.05323561944
              },
              {
                "average": 13.66076936,
                "count": 30805,
                "maximum": 18,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.409874,
                "variance": 19.4469887
              },
              {
                "average": 63334019.06,
                "count": 30805,
                "maximum": 63457403.02,
                "minimum": 63282342.87,
                "name": "GpsTime",
                "position": 12,
                "stddev": 79405.33422,
                "variance": 6305207103
              },
              {
                "average": 0,
                "count": 30805,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 30805,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 30805,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 30805,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 30805,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618626.9022,
              2352651.895,
              -52.70018286,
              618999.7622,
              2352998.435,
              -33.06018286
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618626.9021543032,
                    2352651.8949040067,
                    -52.70018285813853
                  ],
                  [
                    618626.9021543032,
                    2352998.434904007,
                    -52.70018285813853
                  ],
                  [
                    618999.7621543033,
                    2352998.434904007,
                    -33.06018285813853
                  ],
                  [
                    618999.7621543033,
                    2352651.8949040067,
                    -33.06018285813853
                  ],
                  [
                    618626.9021543032,
                    2352651.8949040067,
                    -52.70018285813853
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:50:03+00:00",
            "end_time": "2013-09-15T12:12:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1257.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92013315277399,
              21.311427791097955,
              -4.651064950039975
            ],
            [
              -157.9200670896773,
              21.320461489181454,
              -4.651064950039975
            ],
            [
              -157.91042610820264,
              21.320399304267813,
              33.80893504996003
            ],
            [
              -157.91049275945662,
              21.31136563506149,
              33.80893504996003
            ],
            [
              -157.92013315277399,
              21.311427791097955,
              -4.651064950039975
            ]
          ]
        ]
      },
      "bbox": [
        -157.9201332,
        21.31136564,
        -4.65106495,
        -157.9104261,
        21.32046149,
        33.80893505
      ],
      "properties": {
        "datetime": "2013-09-16T10:46:02Z",
        "pc:count": 3072744,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612438.6986,
            "count": 3072744,
            "maximum": 612999.7523,
            "minimum": 611999.7523,
            "name": "X",
            "position": 0,
            "stddev": 286.469936,
            "variance": 82065.02421
          },
          {
            "average": 2357644.348,
            "count": 3072744,
            "maximum": 2357998.447,
            "minimum": 2356998.447,
            "name": "Y",
            "position": 1,
            "stddev": 248.7824023,
            "variance": 61892.68372
          },
          {
            "average": 3.584961435,
            "count": 3072744,
            "maximum": 33.80893505,
            "minimum": -4.65106495,
            "name": "Z",
            "position": 2,
            "stddev": 4.190319126,
            "variance": 17.55877438
          },
          {
            "average": 39.0051345,
            "count": 3072744,
            "maximum": 975,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 62.05992206,
            "variance": 3851.433927
          },
          {
            "average": 1.063204745,
            "count": 3072744,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2901319389,
            "variance": 0.08417654198
          },
          {
            "average": 1.116048066,
            "count": 3072744,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4190011846,
            "variance": 0.1755619927
          },
          {
            "average": 1,
            "count": 3072744,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3072744,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.134444002,
            "count": 3072744,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.519143563,
            "variance": 90.61409417
          },
          {
            "average": 0,
            "count": 3072744,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 97.93073585,
            "count": 3072744,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.07613199,
            "variance": 4910.664274
          },
          {
            "average": 3.232400096,
            "count": 3072744,
            "maximum": 7,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.348357034,
            "variance": 1.818066691
          },
          {
            "average": 63352252.1,
            "count": 3072744,
            "maximum": 63363562.73,
            "minimum": 63291952.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 22036.54755,
            "variance": 485609428
          },
          {
            "average": 0,
            "count": 3072744,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3072744,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3072744,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3072744,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3072744,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7523,
          2356998.447,
          -4.65106495,
          612999.7523,
          2357998.447,
          33.80893505
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7523151785,
                2356998.446899696,
                -4.651064950039975
              ],
              [
                611999.7523151785,
                2357998.446899696,
                -4.651064950039975
              ],
              [
                612999.7523151785,
                2357998.446899696,
                33.80893504996003
              ],
              [
                612999.7523151785,
                2356998.446899696,
                33.80893504996003
              ],
              [
                611999.7523151785,
                2356998.446899696,
                -4.651064950039975
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:46:02+00:00",
        "end_time": "2013-09-15T14:52:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1257.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1257.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1257.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1257.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9201332,
            21.31136564,
            -4.65106495,
            -157.9104261,
            21.32046149,
            33.80893505
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92013315277399,
                  21.311427791097955,
                  -4.651064950039975
                ],
                [
                  -157.9200670896773,
                  21.320461489181454,
                  -4.651064950039975
                ],
                [
                  -157.91042610820264,
                  21.320399304267813,
                  33.80893504996003
                ],
                [
                  -157.91049275945662,
                  21.31136563506149,
                  33.80893504996003
                ],
                [
                  -157.92013315277399,
                  21.311427791097955,
                  -4.651064950039975
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1257.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1257.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:46:02Z",
            "pc:count": 3072744,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612438.6986,
                "count": 3072744,
                "maximum": 612999.7523,
                "minimum": 611999.7523,
                "name": "X",
                "position": 0,
                "stddev": 286.469936,
                "variance": 82065.02421
              },
              {
                "average": 2357644.348,
                "count": 3072744,
                "maximum": 2357998.447,
                "minimum": 2356998.447,
                "name": "Y",
                "position": 1,
                "stddev": 248.7824023,
                "variance": 61892.68372
              },
              {
                "average": 3.584961435,
                "count": 3072744,
                "maximum": 33.80893505,
                "minimum": -4.65106495,
                "name": "Z",
                "position": 2,
                "stddev": 4.190319126,
                "variance": 17.55877438
              },
              {
                "average": 39.0051345,
                "count": 3072744,
                "maximum": 975,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 62.05992206,
                "variance": 3851.433927
              },
              {
                "average": 1.063204745,
                "count": 3072744,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2901319389,
                "variance": 0.08417654198
              },
              {
                "average": 1.116048066,
                "count": 3072744,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4190011846,
                "variance": 0.1755619927
              },
              {
                "average": 1,
                "count": 3072744,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3072744,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.134444002,
                "count": 3072744,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.519143563,
                "variance": 90.61409417
              },
              {
                "average": 0,
                "count": 3072744,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 97.93073585,
                "count": 3072744,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.07613199,
                "variance": 4910.664274
              },
              {
                "average": 3.232400096,
                "count": 3072744,
                "maximum": 7,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.348357034,
                "variance": 1.818066691
              },
              {
                "average": 63352252.1,
                "count": 3072744,
                "maximum": 63363562.73,
                "minimum": 63291952.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 22036.54755,
                "variance": 485609428
              },
              {
                "average": 0,
                "count": 3072744,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3072744,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3072744,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3072744,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3072744,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7523,
              2356998.447,
              -4.65106495,
              612999.7523,
              2357998.447,
              33.80893505
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7523151785,
                    2356998.446899696,
                    -4.651064950039975
                  ],
                  [
                    611999.7523151785,
                    2357998.446899696,
                    -4.651064950039975
                  ],
                  [
                    612999.7523151785,
                    2357998.446899696,
                    33.80893504996003
                  ],
                  [
                    612999.7523151785,
                    2356998.446899696,
                    33.80893504996003
                  ],
                  [
                    611999.7523151785,
                    2356998.446899696,
                    -4.651064950039975
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:46:02+00:00",
            "end_time": "2013-09-15T14:52:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0957.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.94905477783834,
              21.311610926044708,
              -2.751014385833813
            ],
            [
              -157.94899047765392,
              21.320644709152518,
              -2.751014385833813
            ],
            [
              -157.93934921058033,
              21.320584183061502,
              38.648985614166186
            ],
            [
              -157.93941410009563,
              21.311550427668642,
              38.648985614166186
            ],
            [
              -157.94905477783834,
              21.311610926044708,
              -2.751014385833813
            ]
          ]
        ]
      },
      "bbox": [
        -157.9490548,
        21.31155043,
        -2.751014386,
        -157.9393492,
        21.32064471,
        38.64898561
      ],
      "properties": {
        "datetime": "2013-09-16T10:03:30Z",
        "pc:count": 3593313,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609503.1219,
            "count": 3593313,
            "maximum": 609999.7488,
            "minimum": 608999.7288,
            "name": "X",
            "position": 0,
            "stddev": 280.6881878,
            "variance": 78785.85876
          },
          {
            "average": 2357700.246,
            "count": 3593313,
            "maximum": 2357998.444,
            "minimum": 2356998.444,
            "name": "Y",
            "position": 1,
            "stddev": 204.1382402,
            "variance": 41672.42112
          },
          {
            "average": 4.431290573,
            "count": 3593313,
            "maximum": 38.64898561,
            "minimum": -2.751014386,
            "name": "Z",
            "position": 2,
            "stddev": 3.399819869,
            "variance": 11.55877514
          },
          {
            "average": 31.27859889,
            "count": 3593313,
            "maximum": 924,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.95926913,
            "variance": 1760.580266
          },
          {
            "average": 1.27616826,
            "count": 3593313,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.675739686,
            "variance": 0.4566241232
          },
          {
            "average": 1.524355936,
            "count": 3593313,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.008567431,
            "variance": 1.017208262
          },
          {
            "average": 1,
            "count": 3593313,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3593313,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.906413942,
            "count": 3593313,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.978092493,
            "variance": 15.82521988
          },
          {
            "average": 0,
            "count": 3593313,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.13777981,
            "count": 3593313,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.45687198,
            "variance": 4154.688345
          },
          {
            "average": 3.317492798,
            "count": 3593313,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.467980345,
            "variance": 6.090926984
          },
          {
            "average": 63323847.42,
            "count": 3593313,
            "maximum": 63361010.24,
            "minimum": 63277162.52,
            "name": "GpsTime",
            "position": 12,
            "stddev": 36469.40983,
            "variance": 1330017853
          },
          {
            "average": 0,
            "count": 3593313,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3593313,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3593313,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3593313,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3593313,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608999.7288,
          2356998.444,
          -2.751014386,
          609999.7488,
          2357998.444,
          38.64898561
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608999.7287537493,
                2356998.4437304605,
                -2.751014385833813
              ],
              [
                608999.7287537493,
                2357998.4437304605,
                -2.751014385833813
              ],
              [
                609999.7487537493,
                2357998.4437304605,
                38.648985614166186
              ],
              [
                609999.7487537493,
                2356998.4437304605,
                38.648985614166186
              ],
              [
                608999.7287537493,
                2356998.4437304605,
                -2.751014385833813
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:03:30+00:00",
        "end_time": "2013-09-15T10:46:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0957.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0957.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0957.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0957.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9490548,
            21.31155043,
            -2.751014386,
            -157.9393492,
            21.32064471,
            38.64898561
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.94905477783834,
                  21.311610926044708,
                  -2.751014385833813
                ],
                [
                  -157.94899047765392,
                  21.320644709152518,
                  -2.751014385833813
                ],
                [
                  -157.93934921058033,
                  21.320584183061502,
                  38.648985614166186
                ],
                [
                  -157.93941410009563,
                  21.311550427668642,
                  38.648985614166186
                ],
                [
                  -157.94905477783834,
                  21.311610926044708,
                  -2.751014385833813
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0957.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0957.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:03:30Z",
            "pc:count": 3593313,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609503.1219,
                "count": 3593313,
                "maximum": 609999.7488,
                "minimum": 608999.7288,
                "name": "X",
                "position": 0,
                "stddev": 280.6881878,
                "variance": 78785.85876
              },
              {
                "average": 2357700.246,
                "count": 3593313,
                "maximum": 2357998.444,
                "minimum": 2356998.444,
                "name": "Y",
                "position": 1,
                "stddev": 204.1382402,
                "variance": 41672.42112
              },
              {
                "average": 4.431290573,
                "count": 3593313,
                "maximum": 38.64898561,
                "minimum": -2.751014386,
                "name": "Z",
                "position": 2,
                "stddev": 3.399819869,
                "variance": 11.55877514
              },
              {
                "average": 31.27859889,
                "count": 3593313,
                "maximum": 924,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.95926913,
                "variance": 1760.580266
              },
              {
                "average": 1.27616826,
                "count": 3593313,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.675739686,
                "variance": 0.4566241232
              },
              {
                "average": 1.524355936,
                "count": 3593313,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.008567431,
                "variance": 1.017208262
              },
              {
                "average": 1,
                "count": 3593313,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3593313,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.906413942,
                "count": 3593313,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.978092493,
                "variance": 15.82521988
              },
              {
                "average": 0,
                "count": 3593313,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.13777981,
                "count": 3593313,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.45687198,
                "variance": 4154.688345
              },
              {
                "average": 3.317492798,
                "count": 3593313,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.467980345,
                "variance": 6.090926984
              },
              {
                "average": 63323847.42,
                "count": 3593313,
                "maximum": 63361010.24,
                "minimum": 63277162.52,
                "name": "GpsTime",
                "position": 12,
                "stddev": 36469.40983,
                "variance": 1330017853
              },
              {
                "average": 0,
                "count": 3593313,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3593313,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3593313,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3593313,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3593313,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608999.7288,
              2356998.444,
              -2.751014386,
              609999.7488,
              2357998.444,
              38.64898561
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608999.7287537493,
                    2356998.4437304605,
                    -2.751014385833813
                  ],
                  [
                    608999.7287537493,
                    2357998.4437304605,
                    -2.751014385833813
                  ],
                  [
                    609999.7487537493,
                    2357998.4437304605,
                    38.648985614166186
                  ],
                  [
                    609999.7487537493,
                    2356998.4437304605,
                    38.648985614166186
                  ],
                  [
                    608999.7287537493,
                    2356998.4437304605,
                    -2.751014385833813
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:03:30+00:00",
            "end_time": "2013-09-15T10:46:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1853.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86256916043277,
              21.274912312102565,
              -53.9724553602602
            ],
            [
              -157.86249970372427,
              21.28394589275134,
              -53.9724553602602
            ],
            [
              -157.85286130324457,
              21.28388051454327,
              -3.932455360260196
            ],
            [
              -157.85293135068338,
              21.274846963531033,
              -3.932455360260196
            ],
            [
              -157.86256916043277,
              21.274912312102565,
              -53.9724553602602
            ]
          ]
        ]
      },
      "bbox": [
        -157.8625692,
        21.27484696,
        -53.97245536,
        -157.8528613,
        21.28394589,
        -3.93245536
      ],
      "properties": {
        "datetime": "2013-09-17T12:50:00Z",
        "pc:count": 673670,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618602.9082,
            "count": 673670,
            "maximum": 618999.7746,
            "minimum": 617999.7746,
            "name": "X",
            "position": 0,
            "stddev": 272.1175115,
            "variance": 74047.94004
          },
          {
            "average": 2353609.769,
            "count": 673670,
            "maximum": 2353998.439,
            "minimum": 2352998.439,
            "name": "Y",
            "position": 1,
            "stddev": 279.7240903,
            "variance": 78245.5667
          },
          {
            "average": -24.79472932,
            "count": 673670,
            "maximum": -3.93245536,
            "minimum": -53.97245536,
            "name": "Z",
            "position": 2,
            "stddev": 11.02935051,
            "variance": 121.6465726
          },
          {
            "average": 471.9575252,
            "count": 673670,
            "maximum": 3945,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 605.3643179,
            "variance": 366465.9574
          },
          {
            "average": 1.022404144,
            "count": 673670,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.149172892,
            "variance": 0.02225255169
          },
          {
            "average": 1.023924177,
            "count": 673670,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1546669255,
            "variance": 0.02392185784
          },
          {
            "average": 1,
            "count": 673670,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 673670,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 673670,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.424708523,
            "count": 673670,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.879893932,
            "variance": 78.85251624
          },
          {
            "average": 224.6731308,
            "count": 673670,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 62.40472233,
            "variance": 3894.349369
          },
          {
            "average": 12.95727582,
            "count": 673670,
            "maximum": 18,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.405033322,
            "variance": 5.784185279
          },
          {
            "average": 63300172.78,
            "count": 673670,
            "maximum": 63457400.73,
            "minimum": 63280731.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 53711.90953,
            "variance": 2884969226
          },
          {
            "average": 0,
            "count": 673670,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 673670,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 673670,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 673670,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 673670,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.7746,
          2352998.439,
          -53.97245536,
          618999.7746,
          2353998.439,
          -3.93245536
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.7745924438,
                2352998.4390856875,
                -53.9724553602602
              ],
              [
                617999.7745924438,
                2353998.4390856875,
                -53.9724553602602
              ],
              [
                618999.7745924438,
                2353998.4390856875,
                -3.932455360260196
              ],
              [
                618999.7745924438,
                2352998.4390856875,
                -3.932455360260196
              ],
              [
                617999.7745924438,
                2352998.4390856875,
                -53.9724553602602
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:50:00+00:00",
        "end_time": "2013-09-15T11:45:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1853.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1853.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1853.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1853.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8625692,
            21.27484696,
            -53.97245536,
            -157.8528613,
            21.28394589,
            -3.93245536
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86256916043277,
                  21.274912312102565,
                  -53.9724553602602
                ],
                [
                  -157.86249970372427,
                  21.28394589275134,
                  -53.9724553602602
                ],
                [
                  -157.85286130324457,
                  21.28388051454327,
                  -3.932455360260196
                ],
                [
                  -157.85293135068338,
                  21.274846963531033,
                  -3.932455360260196
                ],
                [
                  -157.86256916043277,
                  21.274912312102565,
                  -53.9724553602602
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1853.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1853.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:50:00Z",
            "pc:count": 673670,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618602.9082,
                "count": 673670,
                "maximum": 618999.7746,
                "minimum": 617999.7746,
                "name": "X",
                "position": 0,
                "stddev": 272.1175115,
                "variance": 74047.94004
              },
              {
                "average": 2353609.769,
                "count": 673670,
                "maximum": 2353998.439,
                "minimum": 2352998.439,
                "name": "Y",
                "position": 1,
                "stddev": 279.7240903,
                "variance": 78245.5667
              },
              {
                "average": -24.79472932,
                "count": 673670,
                "maximum": -3.93245536,
                "minimum": -53.97245536,
                "name": "Z",
                "position": 2,
                "stddev": 11.02935051,
                "variance": 121.6465726
              },
              {
                "average": 471.9575252,
                "count": 673670,
                "maximum": 3945,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 605.3643179,
                "variance": 366465.9574
              },
              {
                "average": 1.022404144,
                "count": 673670,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.149172892,
                "variance": 0.02225255169
              },
              {
                "average": 1.023924177,
                "count": 673670,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1546669255,
                "variance": 0.02392185784
              },
              {
                "average": 1,
                "count": 673670,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 673670,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 673670,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.424708523,
                "count": 673670,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.879893932,
                "variance": 78.85251624
              },
              {
                "average": 224.6731308,
                "count": 673670,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 62.40472233,
                "variance": 3894.349369
              },
              {
                "average": 12.95727582,
                "count": 673670,
                "maximum": 18,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.405033322,
                "variance": 5.784185279
              },
              {
                "average": 63300172.78,
                "count": 673670,
                "maximum": 63457400.73,
                "minimum": 63280731.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 53711.90953,
                "variance": 2884969226
              },
              {
                "average": 0,
                "count": 673670,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 673670,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 673670,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 673670,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 673670,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.7746,
              2352998.439,
              -53.97245536,
              618999.7746,
              2353998.439,
              -3.93245536
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.7745924438,
                    2352998.4390856875,
                    -53.9724553602602
                  ],
                  [
                    617999.7745924438,
                    2353998.4390856875,
                    -53.9724553602602
                  ],
                  [
                    618999.7745924438,
                    2353998.4390856875,
                    -3.932455360260196
                  ],
                  [
                    618999.7745924438,
                    2352998.4390856875,
                    -3.932455360260196
                  ],
                  [
                    617999.7745924438,
                    2352998.4390856875,
                    -53.9724553602602
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:50:00+00:00",
            "end_time": "2013-09-15T11:45:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1854.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86249971941453,
              21.283945937936156,
              -24.431823519899723
            ],
            [
              -157.8624302305099,
              21.29297949405483,
              -24.431823519899723
            ],
            [
              -157.85279124088993,
              21.292914085727684,
              87.04817648010028
            ],
            [
              -157.8528613189318,
              21.28388055972885,
              87.04817648010028
            ],
            [
              -157.86249971941453,
              21.283945937936156,
              -24.431823519899723
            ]
          ]
        ]
      },
      "bbox": [
        -157.8624997,
        21.28388056,
        -24.43182352,
        -157.8527912,
        21.29297949,
        87.04817648
      ],
      "properties": {
        "datetime": "2013-09-17T12:44:17Z",
        "pc:count": 3193108,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618552.344,
            "count": 3193108,
            "maximum": 618999.7729,
            "minimum": 617999.7729,
            "name": "X",
            "position": 0,
            "stddev": 307.7660316,
            "variance": 94719.93019
          },
          {
            "average": 2354596.176,
            "count": 3193108,
            "maximum": 2354998.444,
            "minimum": 2353998.444,
            "name": "Y",
            "position": 1,
            "stddev": 294.7754772,
            "variance": 86892.58195
          },
          {
            "average": -0.3715312842,
            "count": 3193108,
            "maximum": 87.04817648,
            "minimum": -24.43182352,
            "name": "Z",
            "position": 2,
            "stddev": 6.501989513,
            "variance": 42.27586762
          },
          {
            "average": 19.61560649,
            "count": 3193108,
            "maximum": 4139,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 52.24321769,
            "variance": 2729.353794
          },
          {
            "average": 1.203372701,
            "count": 3193108,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5780852333,
            "variance": 0.334182537
          },
          {
            "average": 1.381383279,
            "count": 3193108,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8884761303,
            "variance": 0.7893898342
          },
          {
            "average": 1,
            "count": 3193108,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3193108,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.96064555,
            "count": 3193108,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.58309076,
            "variance": 184.5003545
          },
          {
            "average": 18.77689398,
            "count": 3193108,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.987557376,
            "variance": 24.87572858
          },
          {
            "average": 98.57358473,
            "count": 3193108,
            "maximum": 255,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 75.91387414,
            "variance": 5762.916287
          },
          {
            "average": 9.411651281,
            "count": 3193108,
            "maximum": 14,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.901035579,
            "variance": 3.613936272
          },
          {
            "average": 63298906.6,
            "count": 3193108,
            "maximum": 63457057.26,
            "minimum": 63278904.66,
            "name": "GpsTime",
            "position": 12,
            "stddev": 54231.9312,
            "variance": 2941102361
          },
          {
            "average": 0,
            "count": 3193108,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3193108,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3193108,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3193108,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3193108,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.7729,
          2353998.444,
          -24.43182352,
          618999.7729,
          2354998.444,
          87.04817648
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.7729285915,
                2353998.444075579,
                -24.431823519899723
              ],
              [
                617999.7729285915,
                2354998.444075579,
                -24.431823519899723
              ],
              [
                618999.7729285915,
                2354998.444075579,
                87.04817648010028
              ],
              [
                618999.7729285915,
                2353998.444075579,
                87.04817648010028
              ],
              [
                617999.7729285915,
                2353998.444075579,
                -24.431823519899723
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:44:17+00:00",
        "end_time": "2013-09-15T11:15:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1854.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1854.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1854.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1854.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8624997,
            21.28388056,
            -24.43182352,
            -157.8527912,
            21.29297949,
            87.04817648
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86249971941453,
                  21.283945937936156,
                  -24.431823519899723
                ],
                [
                  -157.8624302305099,
                  21.29297949405483,
                  -24.431823519899723
                ],
                [
                  -157.85279124088993,
                  21.292914085727684,
                  87.04817648010028
                ],
                [
                  -157.8528613189318,
                  21.28388055972885,
                  87.04817648010028
                ],
                [
                  -157.86249971941453,
                  21.283945937936156,
                  -24.431823519899723
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1854.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1854.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:44:17Z",
            "pc:count": 3193108,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618552.344,
                "count": 3193108,
                "maximum": 618999.7729,
                "minimum": 617999.7729,
                "name": "X",
                "position": 0,
                "stddev": 307.7660316,
                "variance": 94719.93019
              },
              {
                "average": 2354596.176,
                "count": 3193108,
                "maximum": 2354998.444,
                "minimum": 2353998.444,
                "name": "Y",
                "position": 1,
                "stddev": 294.7754772,
                "variance": 86892.58195
              },
              {
                "average": -0.3715312842,
                "count": 3193108,
                "maximum": 87.04817648,
                "minimum": -24.43182352,
                "name": "Z",
                "position": 2,
                "stddev": 6.501989513,
                "variance": 42.27586762
              },
              {
                "average": 19.61560649,
                "count": 3193108,
                "maximum": 4139,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 52.24321769,
                "variance": 2729.353794
              },
              {
                "average": 1.203372701,
                "count": 3193108,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5780852333,
                "variance": 0.334182537
              },
              {
                "average": 1.381383279,
                "count": 3193108,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8884761303,
                "variance": 0.7893898342
              },
              {
                "average": 1,
                "count": 3193108,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3193108,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.96064555,
                "count": 3193108,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.58309076,
                "variance": 184.5003545
              },
              {
                "average": 18.77689398,
                "count": 3193108,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.987557376,
                "variance": 24.87572858
              },
              {
                "average": 98.57358473,
                "count": 3193108,
                "maximum": 255,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 75.91387414,
                "variance": 5762.916287
              },
              {
                "average": 9.411651281,
                "count": 3193108,
                "maximum": 14,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.901035579,
                "variance": 3.613936272
              },
              {
                "average": 63298906.6,
                "count": 3193108,
                "maximum": 63457057.26,
                "minimum": 63278904.66,
                "name": "GpsTime",
                "position": 12,
                "stddev": 54231.9312,
                "variance": 2941102361
              },
              {
                "average": 0,
                "count": 3193108,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3193108,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3193108,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3193108,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3193108,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.7729,
              2353998.444,
              -24.43182352,
              618999.7729,
              2354998.444,
              87.04817648
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.7729285915,
                    2353998.444075579,
                    -24.431823519899723
                  ],
                  [
                    617999.7729285915,
                    2354998.444075579,
                    -24.431823519899723
                  ],
                  [
                    618999.7729285915,
                    2354998.444075579,
                    87.04817648010028
                  ],
                  [
                    618999.7729285915,
                    2353998.444075579,
                    87.04817648010028
                  ],
                  [
                    617999.7729285915,
                    2353998.444075579,
                    -24.431823519899723
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:44:17+00:00",
            "end_time": "2013-09-15T11:15:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1258.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9200670865491,
              21.32046147570178,
              1.666067285224772
            ],
            [
              -157.92000096827084,
              21.329495164631314,
              1.666067285224772
            ],
            [
              -157.91035940330855,
              21.329432949921852,
              26.246067285224775
            ],
            [
              -157.91042610507532,
              21.320399290787996,
              26.246067285224775
            ],
            [
              -157.9200670865491,
              21.32046147570178,
              1.666067285224772
            ]
          ]
        ]
      },
      "bbox": [
        -157.9200671,
        21.32039929,
        1.666067285,
        -157.9103594,
        21.32949516,
        26.24606729
      ],
      "properties": {
        "datetime": "2013-09-16T09:39:11Z",
        "pc:count": 4176785,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612507.9317,
            "count": 4176785,
            "maximum": 612999.7526,
            "minimum": 611999.7526,
            "name": "X",
            "position": 0,
            "stddev": 293.3448847,
            "variance": 86051.22137
          },
          {
            "average": 2358516.029,
            "count": 4176785,
            "maximum": 2358998.445,
            "minimum": 2357998.445,
            "name": "Y",
            "position": 1,
            "stddev": 300.8084117,
            "variance": 90485.70057
          },
          {
            "average": 3.437651391,
            "count": 4176785,
            "maximum": 26.24606729,
            "minimum": 1.666067285,
            "name": "Z",
            "position": 2,
            "stddev": 2.473955127,
            "variance": 6.120453969
          },
          {
            "average": 35.74842612,
            "count": 4176785,
            "maximum": 920,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.55885617,
            "variance": 2075.609376
          },
          {
            "average": 1.018121115,
            "count": 4176785,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1590821737,
            "variance": 0.025307138
          },
          {
            "average": 1.032234123,
            "count": 4176785,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2282640579,
            "variance": 0.05210448012
          },
          {
            "average": 1,
            "count": 4176785,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4176785,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.485391515,
            "count": 4176785,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4997866064,
            "variance": 0.249786652
          },
          {
            "average": 0,
            "count": 4176785,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 85.57371112,
            "count": 4176785,
            "maximum": 192,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.00165322,
            "variance": 4356.218227
          },
          {
            "average": 5.322633078,
            "count": 4176785,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.421001535,
            "variance": 5.861248431
          },
          {
            "average": 63279201.06,
            "count": 4176785,
            "maximum": 63359551.54,
            "minimum": 63274320.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 10674.37417,
            "variance": 113942263.9
          },
          {
            "average": 0,
            "count": 4176785,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4176785,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4176785,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4176785,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4176785,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7526,
          2357998.445,
          1.666067285,
          612999.7526,
          2358998.445,
          26.24606729
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7526498584,
                2357998.4454098344,
                1.666067285224772
              ],
              [
                611999.7526498584,
                2358998.4454098344,
                1.666067285224772
              ],
              [
                612999.7526498584,
                2358998.4454098344,
                26.246067285224775
              ],
              [
                612999.7526498584,
                2357998.4454098344,
                26.246067285224775
              ],
              [
                611999.7526498584,
                2357998.4454098344,
                1.666067285224772
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:39:11+00:00",
        "end_time": "2013-09-15T09:58:40+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1258.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1258.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1258.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1258.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9200671,
            21.32039929,
            1.666067285,
            -157.9103594,
            21.32949516,
            26.24606729
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9200670865491,
                  21.32046147570178,
                  1.666067285224772
                ],
                [
                  -157.92000096827084,
                  21.329495164631314,
                  1.666067285224772
                ],
                [
                  -157.91035940330855,
                  21.329432949921852,
                  26.246067285224775
                ],
                [
                  -157.91042610507532,
                  21.320399290787996,
                  26.246067285224775
                ],
                [
                  -157.9200670865491,
                  21.32046147570178,
                  1.666067285224772
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1258.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1258.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:39:11Z",
            "pc:count": 4176785,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612507.9317,
                "count": 4176785,
                "maximum": 612999.7526,
                "minimum": 611999.7526,
                "name": "X",
                "position": 0,
                "stddev": 293.3448847,
                "variance": 86051.22137
              },
              {
                "average": 2358516.029,
                "count": 4176785,
                "maximum": 2358998.445,
                "minimum": 2357998.445,
                "name": "Y",
                "position": 1,
                "stddev": 300.8084117,
                "variance": 90485.70057
              },
              {
                "average": 3.437651391,
                "count": 4176785,
                "maximum": 26.24606729,
                "minimum": 1.666067285,
                "name": "Z",
                "position": 2,
                "stddev": 2.473955127,
                "variance": 6.120453969
              },
              {
                "average": 35.74842612,
                "count": 4176785,
                "maximum": 920,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.55885617,
                "variance": 2075.609376
              },
              {
                "average": 1.018121115,
                "count": 4176785,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1590821737,
                "variance": 0.025307138
              },
              {
                "average": 1.032234123,
                "count": 4176785,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2282640579,
                "variance": 0.05210448012
              },
              {
                "average": 1,
                "count": 4176785,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4176785,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.485391515,
                "count": 4176785,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4997866064,
                "variance": 0.249786652
              },
              {
                "average": 0,
                "count": 4176785,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 85.57371112,
                "count": 4176785,
                "maximum": 192,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.00165322,
                "variance": 4356.218227
              },
              {
                "average": 5.322633078,
                "count": 4176785,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.421001535,
                "variance": 5.861248431
              },
              {
                "average": 63279201.06,
                "count": 4176785,
                "maximum": 63359551.54,
                "minimum": 63274320.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 10674.37417,
                "variance": 113942263.9
              },
              {
                "average": 0,
                "count": 4176785,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4176785,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4176785,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4176785,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4176785,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7526,
              2357998.445,
              1.666067285,
              612999.7526,
              2358998.445,
              26.24606729
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7526498584,
                    2357998.4454098344,
                    1.666067285224772
                  ],
                  [
                    611999.7526498584,
                    2358998.4454098344,
                    1.666067285224772
                  ],
                  [
                    612999.7526498584,
                    2358998.4454098344,
                    26.246067285224775
                  ],
                  [
                    612999.7526498584,
                    2357998.4454098344,
                    26.246067285224775
                  ],
                  [
                    611999.7526498584,
                    2357998.4454098344,
                    1.666067285224772
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:39:11+00:00",
            "end_time": "2013-09-15T09:58:40+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1557.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89121198222955,
              21.311239555588834,
              -13.97394911540026
            ],
            [
              -157.8911441525808,
              21.32027334686937,
              -13.97394911540026
            ],
            [
              -157.8815032807863,
              21.320209507853722,
              61.32605088459974
            ],
            [
              -157.88157169931753,
              21.311175746292324,
              61.32605088459974
            ],
            [
              -157.89121198222955,
              21.311239555588834,
              -13.97394911540026
            ]
          ]
        ]
      },
      "bbox": [
        -157.891212,
        21.31117575,
        -13.97394912,
        -157.8815033,
        21.32027335,
        61.32605088
      ],
      "properties": {
        "datetime": "2013-09-16T11:08:14Z",
        "pc:count": 4036557,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615481.164,
            "count": 4036557,
            "maximum": 615999.7628,
            "minimum": 614999.7628,
            "name": "X",
            "position": 0,
            "stddev": 271.5902685,
            "variance": 73761.27397
          },
          {
            "average": 2357531.619,
            "count": 4036557,
            "maximum": 2357998.454,
            "minimum": 2356998.434,
            "name": "Y",
            "position": 1,
            "stddev": 314.5345915,
            "variance": 98932.00923
          },
          {
            "average": 4.807728631,
            "count": 4036557,
            "maximum": 61.32605088,
            "minimum": -13.97394912,
            "name": "Z",
            "position": 2,
            "stddev": 4.83878427,
            "variance": 23.41383321
          },
          {
            "average": 38.00938225,
            "count": 4036557,
            "maximum": 995,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 57.30118317,
            "variance": 3283.425592
          },
          {
            "average": 1.136442022,
            "count": 4036557,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4356329543,
            "variance": 0.1897760709
          },
          {
            "average": 1.252394305,
            "count": 4036557,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6335852326,
            "variance": 0.401430247
          },
          {
            "average": 1,
            "count": 4036557,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4036557,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.015338319,
            "count": 4036557,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.481792265,
            "variance": 20.08646191
          },
          {
            "average": 0.1684409016,
            "count": 4036557,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.840444921,
            "variance": 3.387237506
          },
          {
            "average": 93.48704403,
            "count": 4036557,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.20025661,
            "variance": 4121.672949
          },
          {
            "average": 5.318665387,
            "count": 4036557,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.133324237,
            "variance": 4.551072302
          },
          {
            "average": 63361035.88,
            "count": 4036557,
            "maximum": 63364894.97,
            "minimum": 63279682.29,
            "name": "GpsTime",
            "position": 12,
            "stddev": 7688.707865,
            "variance": 59116228.63
          },
          {
            "average": 0,
            "count": 4036557,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4036557,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4036557,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4036557,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4036557,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.7628,
          2356998.434,
          -13.97394912,
          615999.7628,
          2357998.454,
          61.32605088
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.7628141679,
                2356998.4343398185,
                -13.97394911540026
              ],
              [
                614999.7628141679,
                2357998.454339818,
                -13.97394911540026
              ],
              [
                615999.7628141679,
                2357998.454339818,
                61.32605088459974
              ],
              [
                615999.7628141679,
                2356998.4343398185,
                61.32605088459974
              ],
              [
                614999.7628141679,
                2356998.4343398185,
                -13.97394911540026
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:08:14+00:00",
        "end_time": "2013-09-15T11:28:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1557.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1557.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1557.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1557.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.891212,
            21.31117575,
            -13.97394912,
            -157.8815033,
            21.32027335,
            61.32605088
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89121198222955,
                  21.311239555588834,
                  -13.97394911540026
                ],
                [
                  -157.8911441525808,
                  21.32027334686937,
                  -13.97394911540026
                ],
                [
                  -157.8815032807863,
                  21.320209507853722,
                  61.32605088459974
                ],
                [
                  -157.88157169931753,
                  21.311175746292324,
                  61.32605088459974
                ],
                [
                  -157.89121198222955,
                  21.311239555588834,
                  -13.97394911540026
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1557.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1557.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:08:14Z",
            "pc:count": 4036557,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615481.164,
                "count": 4036557,
                "maximum": 615999.7628,
                "minimum": 614999.7628,
                "name": "X",
                "position": 0,
                "stddev": 271.5902685,
                "variance": 73761.27397
              },
              {
                "average": 2357531.619,
                "count": 4036557,
                "maximum": 2357998.454,
                "minimum": 2356998.434,
                "name": "Y",
                "position": 1,
                "stddev": 314.5345915,
                "variance": 98932.00923
              },
              {
                "average": 4.807728631,
                "count": 4036557,
                "maximum": 61.32605088,
                "minimum": -13.97394912,
                "name": "Z",
                "position": 2,
                "stddev": 4.83878427,
                "variance": 23.41383321
              },
              {
                "average": 38.00938225,
                "count": 4036557,
                "maximum": 995,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 57.30118317,
                "variance": 3283.425592
              },
              {
                "average": 1.136442022,
                "count": 4036557,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4356329543,
                "variance": 0.1897760709
              },
              {
                "average": 1.252394305,
                "count": 4036557,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6335852326,
                "variance": 0.401430247
              },
              {
                "average": 1,
                "count": 4036557,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4036557,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.015338319,
                "count": 4036557,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.481792265,
                "variance": 20.08646191
              },
              {
                "average": 0.1684409016,
                "count": 4036557,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.840444921,
                "variance": 3.387237506
              },
              {
                "average": 93.48704403,
                "count": 4036557,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.20025661,
                "variance": 4121.672949
              },
              {
                "average": 5.318665387,
                "count": 4036557,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.133324237,
                "variance": 4.551072302
              },
              {
                "average": 63361035.88,
                "count": 4036557,
                "maximum": 63364894.97,
                "minimum": 63279682.29,
                "name": "GpsTime",
                "position": 12,
                "stddev": 7688.707865,
                "variance": 59116228.63
              },
              {
                "average": 0,
                "count": 4036557,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4036557,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4036557,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4036557,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4036557,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.7628,
              2356998.434,
              -13.97394912,
              615999.7628,
              2357998.454,
              61.32605088
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.7628141679,
                    2356998.4343398185,
                    -13.97394911540026
                  ],
                  [
                    614999.7628141679,
                    2357998.454339818,
                    -13.97394911540026
                  ],
                  [
                    615999.7628141679,
                    2357998.454339818,
                    61.32605088459974
                  ],
                  [
                    615999.7628141679,
                    2356998.4343398185,
                    61.32605088459974
                  ],
                  [
                    614999.7628141679,
                    2356998.4343398185,
                    -13.97394911540026
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:08:14+00:00",
            "end_time": "2013-09-15T11:28:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj1156.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92983919793522,
              21.302455660146137,
              -8.965257224257519
            ],
            [
              -157.9297737596051,
              21.31148939776598,
              -8.965257224257519
            ],
            [
              -157.92013311138837,
              21.311427782622022,
              17.25474277574248
            ],
            [
              -157.92019913695327,
              21.302394074310648,
              17.25474277574248
            ],
            [
              -157.92983919793522,
              21.302455660146137,
              -8.965257224257519
            ]
          ]
        ]
      },
      "bbox": [
        -157.9298392,
        21.30239407,
        -8.965257224,
        -157.9201331,
        21.3114894,
        17.25474278
      ],
      "properties": {
        "datetime": "2013-09-17T12:08:48Z",
        "pc:count": 5375229,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611513.108,
            "count": 5375229,
            "maximum": 611999.7566,
            "minimum": 610999.7366,
            "name": "X",
            "position": 0,
            "stddev": 288.10439,
            "variance": 83004.13952
          },
          {
            "average": 2356479.326,
            "count": 5375229,
            "maximum": 2356998.446,
            "minimum": 2355998.446,
            "name": "Y",
            "position": 1,
            "stddev": 281.9842399,
            "variance": 79515.11155
          },
          {
            "average": 2.199774033,
            "count": 5375229,
            "maximum": 17.25474278,
            "minimum": -8.965257224,
            "name": "Z",
            "position": 2,
            "stddev": 1.30704253,
            "variance": 1.708360175
          },
          {
            "average": 39.93239376,
            "count": 5375229,
            "maximum": 997,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 50.5148018,
            "variance": 2551.745201
          },
          {
            "average": 1.019395267,
            "count": 5375229,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1600930673,
            "variance": 0.02562979019
          },
          {
            "average": 1.035477186,
            "count": 5375229,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2313295728,
            "variance": 0.05351337126
          },
          {
            "average": 1,
            "count": 5375229,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5375229,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.693805231,
            "count": 5375229,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.990552804,
            "variance": 99.81114534
          },
          {
            "average": 0,
            "count": 5375229,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 91.15059228,
            "count": 5375229,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.31778423,
            "variance": 4136.777368
          },
          {
            "average": 8.965755505,
            "count": 5375229,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.323908697,
            "variance": 11.04836903
          },
          {
            "average": 63375117.83,
            "count": 5375229,
            "maximum": 63454928.14,
            "minimum": 63360984.09,
            "name": "GpsTime",
            "position": 12,
            "stddev": 27405.51454,
            "variance": 751062227.4
          },
          {
            "average": 0,
            "count": 5375229,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5375229,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5375229,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5375229,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5375229,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7366,
          2355998.446,
          -8.965257224,
          611999.7566,
          2356998.446,
          17.25474278
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7366143363,
                2355998.4459908884,
                -8.965257224257519
              ],
              [
                610999.7366143363,
                2356998.4459908884,
                -8.965257224257519
              ],
              [
                611999.7566143363,
                2356998.4459908884,
                17.25474277574248
              ],
              [
                611999.7566143363,
                2355998.4459908884,
                17.25474277574248
              ],
              [
                610999.7366143363,
                2355998.4459908884,
                -8.965257224257519
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:08:48+00:00",
        "end_time": "2013-09-16T10:03:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj1156.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj1156.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj1156.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1156.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9298392,
            21.30239407,
            -8.965257224,
            -157.9201331,
            21.3114894,
            17.25474278
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92983919793522,
                  21.302455660146137,
                  -8.965257224257519
                ],
                [
                  -157.9297737596051,
                  21.31148939776598,
                  -8.965257224257519
                ],
                [
                  -157.92013311138837,
                  21.311427782622022,
                  17.25474277574248
                ],
                [
                  -157.92019913695327,
                  21.302394074310648,
                  17.25474277574248
                ],
                [
                  -157.92983919793522,
                  21.302455660146137,
                  -8.965257224257519
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj1156.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1156.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:08:48Z",
            "pc:count": 5375229,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611513.108,
                "count": 5375229,
                "maximum": 611999.7566,
                "minimum": 610999.7366,
                "name": "X",
                "position": 0,
                "stddev": 288.10439,
                "variance": 83004.13952
              },
              {
                "average": 2356479.326,
                "count": 5375229,
                "maximum": 2356998.446,
                "minimum": 2355998.446,
                "name": "Y",
                "position": 1,
                "stddev": 281.9842399,
                "variance": 79515.11155
              },
              {
                "average": 2.199774033,
                "count": 5375229,
                "maximum": 17.25474278,
                "minimum": -8.965257224,
                "name": "Z",
                "position": 2,
                "stddev": 1.30704253,
                "variance": 1.708360175
              },
              {
                "average": 39.93239376,
                "count": 5375229,
                "maximum": 997,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 50.5148018,
                "variance": 2551.745201
              },
              {
                "average": 1.019395267,
                "count": 5375229,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1600930673,
                "variance": 0.02562979019
              },
              {
                "average": 1.035477186,
                "count": 5375229,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2313295728,
                "variance": 0.05351337126
              },
              {
                "average": 1,
                "count": 5375229,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5375229,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.693805231,
                "count": 5375229,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.990552804,
                "variance": 99.81114534
              },
              {
                "average": 0,
                "count": 5375229,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 91.15059228,
                "count": 5375229,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.31778423,
                "variance": 4136.777368
              },
              {
                "average": 8.965755505,
                "count": 5375229,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.323908697,
                "variance": 11.04836903
              },
              {
                "average": 63375117.83,
                "count": 5375229,
                "maximum": 63454928.14,
                "minimum": 63360984.09,
                "name": "GpsTime",
                "position": 12,
                "stddev": 27405.51454,
                "variance": 751062227.4
              },
              {
                "average": 0,
                "count": 5375229,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5375229,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5375229,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5375229,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5375229,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7366,
              2355998.446,
              -8.965257224,
              611999.7566,
              2356998.446,
              17.25474278
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7366143363,
                    2355998.4459908884,
                    -8.965257224257519
                  ],
                  [
                    610999.7366143363,
                    2356998.4459908884,
                    -8.965257224257519
                  ],
                  [
                    611999.7566143363,
                    2356998.4459908884,
                    17.25474277574248
                  ],
                  [
                    611999.7566143363,
                    2355998.4459908884,
                    17.25474277574248
                  ],
                  [
                    610999.7366143363,
                    2355998.4459908884,
                    -8.965257224257519
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:08:48+00:00",
            "end_time": "2013-09-16T10:03:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0958.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.94899049444052,
              21.32064470963855,
              -0.196665372609047
            ],
            [
              -157.94892612059394,
              21.3296784853834,
              -0.196665372609047
            ],
            [
              -157.93928426464382,
              21.329617931554004,
              17.86333462739095
            ],
            [
              -157.93934922736685,
              21.320584183548508,
              17.86333462739095
            ],
            [
              -157.94899049444052,
              21.32064470963855,
              -0.196665372609047
            ]
          ]
        ]
      },
      "bbox": [
        -157.9489905,
        21.32058418,
        -0.1966653726,
        -157.9392843,
        21.32967849,
        17.86333463
      ],
      "properties": {
        "datetime": "2013-09-15T14:52:04Z",
        "pc:count": 5291011,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609507.2234,
            "count": 5291011,
            "maximum": 609999.747,
            "minimum": 608999.727,
            "name": "X",
            "position": 0,
            "stddev": 284.4851802,
            "variance": 80931.81777
          },
          {
            "average": 2358488.612,
            "count": 5291011,
            "maximum": 2358998.444,
            "minimum": 2357998.444,
            "name": "Y",
            "position": 1,
            "stddev": 290.9551094,
            "variance": 84654.87569
          },
          {
            "average": 3.40117711,
            "count": 5291011,
            "maximum": 17.86333463,
            "minimum": -0.1966653726,
            "name": "Z",
            "position": 2,
            "stddev": 1.187780542,
            "variance": 1.410822616
          },
          {
            "average": 37.18598468,
            "count": 5291011,
            "maximum": 965,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.26911665,
            "variance": 1703.139989
          },
          {
            "average": 1.0435877,
            "count": 5291011,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2712563914,
            "variance": 0.07358002988
          },
          {
            "average": 1.082948797,
            "count": 5291011,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4131761254,
            "variance": 0.1707145106
          },
          {
            "average": 1,
            "count": 5291011,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5291011,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.463165735,
            "count": 5291011,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.67715559,
            "variance": 0.4585396931
          },
          {
            "average": 0,
            "count": 5291011,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.15529924,
            "count": 5291011,
            "maximum": 193,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 62.88199499,
            "variance": 3954.145294
          },
          {
            "average": 4.831065556,
            "count": 5291011,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.305134725,
            "variance": 5.3136461
          },
          {
            "average": 63275201.26,
            "count": 5291011,
            "maximum": 63291924.82,
            "minimum": 63273470.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1116.511174,
            "variance": 1246597.201
          },
          {
            "average": 0,
            "count": 5291011,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5291011,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5291011,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5291011,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5291011,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608999.727,
          2357998.444,
          -0.1966653726,
          609999.747,
          2358998.444,
          17.86333463
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608999.7270123158,
                2357998.443772649,
                -0.196665372609047
              ],
              [
                608999.7270123158,
                2358998.443772649,
                -0.196665372609047
              ],
              [
                609999.7470123158,
                2358998.443772649,
                17.86333462739095
              ],
              [
                609999.7470123158,
                2357998.443772649,
                17.86333462739095
              ],
              [
                608999.7270123158,
                2357998.443772649,
                -0.196665372609047
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T14:52:04+00:00",
        "end_time": "2013-09-15T09:44:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0958.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0958.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0958.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0958.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9489905,
            21.32058418,
            -0.1966653726,
            -157.9392843,
            21.32967849,
            17.86333463
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.94899049444052,
                  21.32064470963855,
                  -0.196665372609047
                ],
                [
                  -157.94892612059394,
                  21.3296784853834,
                  -0.196665372609047
                ],
                [
                  -157.93928426464382,
                  21.329617931554004,
                  17.86333462739095
                ],
                [
                  -157.93934922736685,
                  21.320584183548508,
                  17.86333462739095
                ],
                [
                  -157.94899049444052,
                  21.32064470963855,
                  -0.196665372609047
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0958.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0958.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T14:52:04Z",
            "pc:count": 5291011,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609507.2234,
                "count": 5291011,
                "maximum": 609999.747,
                "minimum": 608999.727,
                "name": "X",
                "position": 0,
                "stddev": 284.4851802,
                "variance": 80931.81777
              },
              {
                "average": 2358488.612,
                "count": 5291011,
                "maximum": 2358998.444,
                "minimum": 2357998.444,
                "name": "Y",
                "position": 1,
                "stddev": 290.9551094,
                "variance": 84654.87569
              },
              {
                "average": 3.40117711,
                "count": 5291011,
                "maximum": 17.86333463,
                "minimum": -0.1966653726,
                "name": "Z",
                "position": 2,
                "stddev": 1.187780542,
                "variance": 1.410822616
              },
              {
                "average": 37.18598468,
                "count": 5291011,
                "maximum": 965,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.26911665,
                "variance": 1703.139989
              },
              {
                "average": 1.0435877,
                "count": 5291011,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2712563914,
                "variance": 0.07358002988
              },
              {
                "average": 1.082948797,
                "count": 5291011,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4131761254,
                "variance": 0.1707145106
              },
              {
                "average": 1,
                "count": 5291011,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5291011,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.463165735,
                "count": 5291011,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.67715559,
                "variance": 0.4585396931
              },
              {
                "average": 0,
                "count": 5291011,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.15529924,
                "count": 5291011,
                "maximum": 193,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 62.88199499,
                "variance": 3954.145294
              },
              {
                "average": 4.831065556,
                "count": 5291011,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.305134725,
                "variance": 5.3136461
              },
              {
                "average": 63275201.26,
                "count": 5291011,
                "maximum": 63291924.82,
                "minimum": 63273470.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1116.511174,
                "variance": 1246597.201
              },
              {
                "average": 0,
                "count": 5291011,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5291011,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5291011,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5291011,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5291011,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608999.727,
              2357998.444,
              -0.1966653726,
              609999.747,
              2358998.444,
              17.86333463
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608999.7270123158,
                    2357998.443772649,
                    -0.196665372609047
                  ],
                  [
                    608999.7270123158,
                    2358998.443772649,
                    -0.196665372609047
                  ],
                  [
                    609999.7470123158,
                    2358998.443772649,
                    17.86333462739095
                  ],
                  [
                    609999.7470123158,
                    2357998.443772649,
                    17.86333462739095
                  ],
                  [
                    608999.7270123158,
                    2357998.443772649,
                    -0.196665372609047
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T14:52:04+00:00",
            "end_time": "2013-09-15T09:44:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1455.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90098679491308,
              21.29323564086004,
              -14.566313065952784
            ],
            [
              -157.90091962832045,
              21.30226930186468,
              -14.566313065952784
            ],
            [
              -157.89127970448075,
              21.302206071624735,
              0.713686934047217
            ],
            [
              -157.89134746043092,
              21.293172439669842,
              0.713686934047217
            ],
            [
              -157.90098679491308,
              21.29323564086004,
              -14.566313065952784
            ]
          ]
        ]
      },
      "bbox": [
        -157.9009868,
        21.29317244,
        -14.56631307,
        -157.8912797,
        21.3022693,
        0.713686934
      ],
      "properties": {
        "datetime": "2013-09-17T12:48:53Z",
        "pc:count": 8080804,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614499.8149,
            "count": 8080804,
            "maximum": 614999.77,
            "minimum": 613999.75,
            "name": "X",
            "position": 0,
            "stddev": 292.2710083,
            "variance": 85422.34228
          },
          {
            "average": 2355561.449,
            "count": 8080804,
            "maximum": 2355998.45,
            "minimum": 2354998.45,
            "name": "Y",
            "position": 1,
            "stddev": 265.1215544,
            "variance": 70289.43858
          },
          {
            "average": -4.08843188,
            "count": 8080804,
            "maximum": 0.713686934,
            "minimum": -14.56631307,
            "name": "Z",
            "position": 2,
            "stddev": 2.603809762,
            "variance": 6.779825279
          },
          {
            "average": 7.06461857,
            "count": 8080804,
            "maximum": 1278,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.19894815,
            "variance": 407.9975062
          },
          {
            "average": 1.030752509,
            "count": 8080804,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1750234246,
            "variance": 0.03063319916
          },
          {
            "average": 1.047857243,
            "count": 8080804,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2175343972,
            "variance": 0.04732121396
          },
          {
            "average": 1,
            "count": 8080804,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8080804,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 8080804,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.0503914,
            "count": 8080804,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.20290385,
            "variance": 104.0992471
          },
          {
            "average": 93.64196632,
            "count": 8080804,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 72.81311203,
            "variance": 5301.749283
          },
          {
            "average": 9.080836635,
            "count": 8080804,
            "maximum": 19,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.225273454,
            "variance": 38.75402958
          },
          {
            "average": 63344779.45,
            "count": 8080804,
            "maximum": 63457333.06,
            "minimum": 63275470.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 81232.78347,
            "variance": 6598765111
          },
          {
            "average": 0,
            "count": 8080804,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8080804,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8080804,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8080804,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8080804,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.75,
          2354998.45,
          -14.56631307,
          614999.77,
          2355998.45,
          0.713686934
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.7499549747,
                2354998.4495911896,
                -14.566313065952784
              ],
              [
                613999.7499549747,
                2355998.4495911896,
                -14.566313065952784
              ],
              [
                614999.7699549748,
                2355998.4495911896,
                0.713686934047217
              ],
              [
                614999.7699549748,
                2354998.4495911896,
                0.713686934047217
              ],
              [
                613999.7499549747,
                2354998.4495911896,
                -14.566313065952784
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:48:53+00:00",
        "end_time": "2013-09-15T10:17:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1455.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1455.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1455.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1455.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9009868,
            21.29317244,
            -14.56631307,
            -157.8912797,
            21.3022693,
            0.713686934
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90098679491308,
                  21.29323564086004,
                  -14.566313065952784
                ],
                [
                  -157.90091962832045,
                  21.30226930186468,
                  -14.566313065952784
                ],
                [
                  -157.89127970448075,
                  21.302206071624735,
                  0.713686934047217
                ],
                [
                  -157.89134746043092,
                  21.293172439669842,
                  0.713686934047217
                ],
                [
                  -157.90098679491308,
                  21.29323564086004,
                  -14.566313065952784
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1455.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1455.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:48:53Z",
            "pc:count": 8080804,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614499.8149,
                "count": 8080804,
                "maximum": 614999.77,
                "minimum": 613999.75,
                "name": "X",
                "position": 0,
                "stddev": 292.2710083,
                "variance": 85422.34228
              },
              {
                "average": 2355561.449,
                "count": 8080804,
                "maximum": 2355998.45,
                "minimum": 2354998.45,
                "name": "Y",
                "position": 1,
                "stddev": 265.1215544,
                "variance": 70289.43858
              },
              {
                "average": -4.08843188,
                "count": 8080804,
                "maximum": 0.713686934,
                "minimum": -14.56631307,
                "name": "Z",
                "position": 2,
                "stddev": 2.603809762,
                "variance": 6.779825279
              },
              {
                "average": 7.06461857,
                "count": 8080804,
                "maximum": 1278,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.19894815,
                "variance": 407.9975062
              },
              {
                "average": 1.030752509,
                "count": 8080804,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1750234246,
                "variance": 0.03063319916
              },
              {
                "average": 1.047857243,
                "count": 8080804,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2175343972,
                "variance": 0.04732121396
              },
              {
                "average": 1,
                "count": 8080804,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8080804,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 8080804,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.0503914,
                "count": 8080804,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.20290385,
                "variance": 104.0992471
              },
              {
                "average": 93.64196632,
                "count": 8080804,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 72.81311203,
                "variance": 5301.749283
              },
              {
                "average": 9.080836635,
                "count": 8080804,
                "maximum": 19,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.225273454,
                "variance": 38.75402958
              },
              {
                "average": 63344779.45,
                "count": 8080804,
                "maximum": 63457333.06,
                "minimum": 63275470.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 81232.78347,
                "variance": 6598765111
              },
              {
                "average": 0,
                "count": 8080804,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8080804,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8080804,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8080804,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8080804,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.75,
              2354998.45,
              -14.56631307,
              614999.77,
              2355998.45,
              0.713686934
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.7499549747,
                    2354998.4495911896,
                    -14.566313065952784
                  ],
                  [
                    613999.7499549747,
                    2355998.4495911896,
                    -14.566313065952784
                  ],
                  [
                    614999.7699549748,
                    2355998.4495911896,
                    0.713686934047217
                  ],
                  [
                    614999.7699549748,
                    2354998.4495911896,
                    0.713686934047217
                  ],
                  [
                    613999.7499549747,
                    2354998.4495911896,
                    -14.566313065952784
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:48:53+00:00",
            "end_time": "2013-09-15T10:17:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1684.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.87971158914837,
              21.55507927267019,
              -6.383126926076429
            ],
            [
              -157.87964219402943,
              21.564112767561525,
              -6.383126926076429
            ],
            [
              -157.86998533970072,
              21.5640475605188,
              186.1368730739236
            ],
            [
              -157.87005533255444,
              21.55501409585695,
              186.1368730739236
            ],
            [
              -157.87971158914837,
              21.55507927267019,
              -6.383126926076429
            ]
          ]
        ]
      },
      "bbox": [
        -157.8797116,
        21.5550141,
        -6.383126926,
        -157.8699853,
        21.56411277,
        186.1368731
      ],
      "properties": {
        "datetime": "2013-09-23T23:52:34Z",
        "pc:count": 5321191,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616618.9858,
            "count": 5321191,
            "maximum": 616999.7945,
            "minimum": 615999.7945,
            "name": "X",
            "position": 0,
            "stddev": 230.4873392,
            "variance": 53124.41355
          },
          {
            "average": 2384422.035,
            "count": 5321191,
            "maximum": 2384998.494,
            "minimum": 2383998.474,
            "name": "Y",
            "position": 1,
            "stddev": 321.4377192,
            "variance": 103322.2073
          },
          {
            "average": 11.82132615,
            "count": 5321191,
            "maximum": 186.1368731,
            "minimum": -6.383126926,
            "name": "Z",
            "position": 2,
            "stddev": 21.38860788,
            "variance": 457.472547
          },
          {
            "average": 9.435439359,
            "count": 5321191,
            "maximum": 8756,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 26.72554479,
            "variance": 714.2547443
          },
          {
            "average": 1.440003375,
            "count": 5321191,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8470596845,
            "variance": 0.7175101091
          },
          {
            "average": 1.878554068,
            "count": 5321191,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.261080637,
            "variance": 1.590324372
          },
          {
            "average": 1,
            "count": 5321191,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5321191,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.93443366,
            "count": 5321191,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.90897916,
            "variance": 193.4597012
          },
          {
            "average": 20.69278405,
            "count": 5321191,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.345532159,
            "variance": 11.19258542
          },
          {
            "average": 90.24798753,
            "count": 5321191,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.10103782,
            "variance": 4914.155503
          },
          {
            "average": 5.056000621,
            "count": 5321191,
            "maximum": 20,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.385966485,
            "variance": 19.23670201
          },
          {
            "average": 64003608.41,
            "count": 5321191,
            "maximum": 64015554.5,
            "minimum": 63848773.71,
            "name": "GpsTime",
            "position": 12,
            "stddev": 34775.89169,
            "variance": 1209362643
          },
          {
            "average": 0,
            "count": 5321191,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5321191,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5321191,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5321191,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5321191,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7945,
          2383998.474,
          -6.383126926,
          616999.7945,
          2384998.494,
          186.1368731
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.7944762267,
                2383998.473566654,
                -6.383126926076429
              ],
              [
                615999.7944762267,
                2384998.4935666537,
                -6.383126926076429
              ],
              [
                616999.7944762267,
                2384998.4935666537,
                186.1368730739236
              ],
              [
                616999.7944762267,
                2383998.473566654,
                186.1368730739236
              ],
              [
                615999.7944762267,
                2383998.473566654,
                -6.383126926076429
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:52:34+00:00",
        "end_time": "2013-09-22T01:32:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1684.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1684.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1684.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1684.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8797116,
            21.5550141,
            -6.383126926,
            -157.8699853,
            21.56411277,
            186.1368731
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.87971158914837,
                  21.55507927267019,
                  -6.383126926076429
                ],
                [
                  -157.87964219402943,
                  21.564112767561525,
                  -6.383126926076429
                ],
                [
                  -157.86998533970072,
                  21.5640475605188,
                  186.1368730739236
                ],
                [
                  -157.87005533255444,
                  21.55501409585695,
                  186.1368730739236
                ],
                [
                  -157.87971158914837,
                  21.55507927267019,
                  -6.383126926076429
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1684.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1684.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:52:34Z",
            "pc:count": 5321191,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616618.9858,
                "count": 5321191,
                "maximum": 616999.7945,
                "minimum": 615999.7945,
                "name": "X",
                "position": 0,
                "stddev": 230.4873392,
                "variance": 53124.41355
              },
              {
                "average": 2384422.035,
                "count": 5321191,
                "maximum": 2384998.494,
                "minimum": 2383998.474,
                "name": "Y",
                "position": 1,
                "stddev": 321.4377192,
                "variance": 103322.2073
              },
              {
                "average": 11.82132615,
                "count": 5321191,
                "maximum": 186.1368731,
                "minimum": -6.383126926,
                "name": "Z",
                "position": 2,
                "stddev": 21.38860788,
                "variance": 457.472547
              },
              {
                "average": 9.435439359,
                "count": 5321191,
                "maximum": 8756,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 26.72554479,
                "variance": 714.2547443
              },
              {
                "average": 1.440003375,
                "count": 5321191,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8470596845,
                "variance": 0.7175101091
              },
              {
                "average": 1.878554068,
                "count": 5321191,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.261080637,
                "variance": 1.590324372
              },
              {
                "average": 1,
                "count": 5321191,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5321191,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.93443366,
                "count": 5321191,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.90897916,
                "variance": 193.4597012
              },
              {
                "average": 20.69278405,
                "count": 5321191,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.345532159,
                "variance": 11.19258542
              },
              {
                "average": 90.24798753,
                "count": 5321191,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.10103782,
                "variance": 4914.155503
              },
              {
                "average": 5.056000621,
                "count": 5321191,
                "maximum": 20,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.385966485,
                "variance": 19.23670201
              },
              {
                "average": 64003608.41,
                "count": 5321191,
                "maximum": 64015554.5,
                "minimum": 63848773.71,
                "name": "GpsTime",
                "position": 12,
                "stddev": 34775.89169,
                "variance": 1209362643
              },
              {
                "average": 0,
                "count": 5321191,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5321191,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5321191,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5321191,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5321191,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7945,
              2383998.474,
              -6.383126926,
              616999.7945,
              2384998.494,
              186.1368731
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.7944762267,
                    2383998.473566654,
                    -6.383126926076429
                  ],
                  [
                    615999.7944762267,
                    2384998.4935666537,
                    -6.383126926076429
                  ],
                  [
                    616999.7944762267,
                    2384998.4935666537,
                    186.1368730739236
                  ],
                  [
                    616999.7944762267,
                    2383998.473566654,
                    186.1368730739236
                  ],
                  [
                    615999.7944762267,
                    2383998.473566654,
                    -6.383126926076429
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:52:34+00:00",
            "end_time": "2013-09-22T01:32:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9492.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0917085885078,
              21.628642846158847,
              -38.53112676655827
            ],
            [
              -158.09165213119942,
              21.637676670869244,
              -38.53112676655827
            ],
            [
              -158.08198955228315,
              21.637623574450053,
              -7.571126766558269
            ],
            [
              -158.0820466110237,
              21.628589773705798,
              -7.571126766558269
            ],
            [
              -158.0917085885078,
              21.628642846158847,
              -38.53112676655827
            ]
          ]
        ]
      },
      "bbox": [
        -158.0917086,
        21.62858977,
        -38.53112677,
        -158.0819896,
        21.63767667,
        -7.571126767
      ],
      "properties": {
        "datetime": "2013-09-22T23:52:49Z",
        "pc:count": 1980459,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 594680.8452,
            "count": 1980459,
            "maximum": 594999.6471,
            "minimum": 593999.6271,
            "name": "X",
            "position": 0,
            "stddev": 280.806572,
            "variance": 78852.33087
          },
          {
            "average": 2392342.537,
            "count": 1980459,
            "maximum": 2392998.479,
            "minimum": 2391998.479,
            "name": "Y",
            "position": 1,
            "stddev": 265.4820632,
            "variance": 70480.72588
          },
          {
            "average": -17.65269077,
            "count": 1980459,
            "maximum": -7.571126767,
            "minimum": -38.53112677,
            "name": "Z",
            "position": 2,
            "stddev": 6.668632859,
            "variance": 44.47066421
          },
          {
            "average": 184.3130724,
            "count": 1980459,
            "maximum": 8948,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 222.7115535,
            "variance": 49600.43607
          },
          {
            "average": 1.010486963,
            "count": 1980459,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1030159737,
            "variance": 0.01061229083
          },
          {
            "average": 1.016911231,
            "count": 1980459,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1322791567,
            "variance": 0.01749777528
          },
          {
            "average": 1,
            "count": 1980459,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1980459,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1980459,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.89253254,
            "count": 1980459,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.28316582,
            "variance": 86.17716764
          },
          {
            "average": 177.9013461,
            "count": 1980459,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.42438482,
            "variance": 7818.871831
          },
          {
            "average": 2.788606581,
            "count": 1980459,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.546507222,
            "variance": 2.391684588
          },
          {
            "average": 63262445.1,
            "count": 1980459,
            "maximum": 63929169.93,
            "minimum": 62799566.33,
            "name": "GpsTime",
            "position": 12,
            "stddev": 499088.5624,
            "variance": 249089393100.0
          },
          {
            "average": 0,
            "count": 1980459,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1980459,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1980459,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1980459,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1980459,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          593999.6271,
          2391998.479,
          -38.53112677,
          594999.6471,
          2392998.479,
          -7.571126767
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                593999.6271243584,
                2391998.4793188083,
                -38.53112676655827
              ],
              [
                593999.6271243584,
                2392998.4793188083,
                -38.53112676655827
              ],
              [
                594999.6471243585,
                2392998.4793188083,
                -7.571126766558269
              ],
              [
                594999.6471243585,
                2391998.4793188083,
                -7.571126766558269
              ],
              [
                593999.6271243584,
                2391998.4793188083,
                -38.53112676655827
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:52:49+00:00",
        "end_time": "2013-09-09T22:06:06+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9492.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9492.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9492.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9492.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0917086,
            21.62858977,
            -38.53112677,
            -158.0819896,
            21.63767667,
            -7.571126767
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0917085885078,
                  21.628642846158847,
                  -38.53112676655827
                ],
                [
                  -158.09165213119942,
                  21.637676670869244,
                  -38.53112676655827
                ],
                [
                  -158.08198955228315,
                  21.637623574450053,
                  -7.571126766558269
                ],
                [
                  -158.0820466110237,
                  21.628589773705798,
                  -7.571126766558269
                ],
                [
                  -158.0917085885078,
                  21.628642846158847,
                  -38.53112676655827
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9492.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9492.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:52:49Z",
            "pc:count": 1980459,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 594680.8452,
                "count": 1980459,
                "maximum": 594999.6471,
                "minimum": 593999.6271,
                "name": "X",
                "position": 0,
                "stddev": 280.806572,
                "variance": 78852.33087
              },
              {
                "average": 2392342.537,
                "count": 1980459,
                "maximum": 2392998.479,
                "minimum": 2391998.479,
                "name": "Y",
                "position": 1,
                "stddev": 265.4820632,
                "variance": 70480.72588
              },
              {
                "average": -17.65269077,
                "count": 1980459,
                "maximum": -7.571126767,
                "minimum": -38.53112677,
                "name": "Z",
                "position": 2,
                "stddev": 6.668632859,
                "variance": 44.47066421
              },
              {
                "average": 184.3130724,
                "count": 1980459,
                "maximum": 8948,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 222.7115535,
                "variance": 49600.43607
              },
              {
                "average": 1.010486963,
                "count": 1980459,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1030159737,
                "variance": 0.01061229083
              },
              {
                "average": 1.016911231,
                "count": 1980459,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1322791567,
                "variance": 0.01749777528
              },
              {
                "average": 1,
                "count": 1980459,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1980459,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1980459,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.89253254,
                "count": 1980459,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.28316582,
                "variance": 86.17716764
              },
              {
                "average": 177.9013461,
                "count": 1980459,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.42438482,
                "variance": 7818.871831
              },
              {
                "average": 2.788606581,
                "count": 1980459,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.546507222,
                "variance": 2.391684588
              },
              {
                "average": 63262445.1,
                "count": 1980459,
                "maximum": 63929169.93,
                "minimum": 62799566.33,
                "name": "GpsTime",
                "position": 12,
                "stddev": 499088.5624,
                "variance": 249089393100.0
              },
              {
                "average": 0,
                "count": 1980459,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1980459,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1980459,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1980459,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1980459,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              593999.6271,
              2391998.479,
              -38.53112677,
              594999.6471,
              2392998.479,
              -7.571126767
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    593999.6271243584,
                    2391998.4793188083,
                    -38.53112676655827
                  ],
                  [
                    593999.6271243584,
                    2392998.4793188083,
                    -38.53112676655827
                  ],
                  [
                    594999.6471243585,
                    2392998.4793188083,
                    -7.571126766558269
                  ],
                  [
                    594999.6471243585,
                    2391998.4793188083,
                    -7.571126766558269
                  ],
                  [
                    593999.6271243584,
                    2391998.4793188083,
                    -38.53112676655827
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:52:49+00:00",
            "end_time": "2013-09-09T22:06:06+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9493.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.091651876319,
              21.637676728796396,
              -43.22296847256234
            ],
            [
              -158.09159539895379,
              21.646708917540785,
              -43.22296847256234
            ],
            [
              -158.0819326051567,
              21.6466557992115,
              -22.002968472562344
            ],
            [
              -158.0819896838944,
              21.637623634497288,
              -22.002968472562344
            ],
            [
              -158.091651876319,
              21.637676728796396,
              -43.22296847256234
            ]
          ]
        ]
      },
      "bbox": [
        -158.0916519,
        21.63762363,
        -43.22296847,
        -158.0819326,
        21.64670892,
        -22.00296847
      ],
      "properties": {
        "datetime": "2013-09-22T23:31:31Z",
        "pc:count": 236455,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 594677.0264,
            "count": 236455,
            "maximum": 594999.6335,
            "minimum": 593999.6535,
            "name": "X",
            "position": 0,
            "stddev": 242.7450599,
            "variance": 58925.16413
          },
          {
            "average": 2393215.709,
            "count": 236455,
            "maximum": 2393998.306,
            "minimum": 2392998.486,
            "name": "Y",
            "position": 1,
            "stddev": 165.0991344,
            "variance": 27257.72418
          },
          {
            "average": -31.79601861,
            "count": 236455,
            "maximum": -22.00296847,
            "minimum": -43.22296847,
            "name": "Z",
            "position": 2,
            "stddev": 4.579907727,
            "variance": 20.97555479
          },
          {
            "average": 460.3794295,
            "count": 236455,
            "maximum": 6711,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 262.3160566,
            "variance": 68809.71354
          },
          {
            "average": 1.001979235,
            "count": 236455,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04444463896,
            "variance": 0.001975325933
          },
          {
            "average": 1.00239369,
            "count": 236455,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04886686483,
            "variance": 0.002387970478
          },
          {
            "average": 1,
            "count": 236455,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 236455,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 236455,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.19310763,
            "count": 236455,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.193613944,
            "variance": 84.52253735
          },
          {
            "average": 249.0210019,
            "count": 236455,
            "maximum": 251,
            "minimum": 94,
            "name": "UserData",
            "position": 10,
            "stddev": 1.112140576,
            "variance": 1.23685666
          },
          {
            "average": 3.376003891,
            "count": 236455,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.249720627,
            "variance": 1.561801645
          },
          {
            "average": 62857242.52,
            "count": 236455,
            "maximum": 63927891.56,
            "minimum": 62799548.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 237224.1689,
            "variance": 56275306330.0
          },
          {
            "average": 0,
            "count": 236455,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 236455,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 236455,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 236455,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 236455,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          593999.6535,
          2392998.486,
          -43.22296847,
          594999.6335,
          2393998.306,
          -22.00296847
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                593999.6534645569,
                2392998.485885054,
                -43.22296847256234
              ],
              [
                593999.6534645569,
                2393998.305885054,
                -43.22296847256234
              ],
              [
                594999.6334645569,
                2393998.305885054,
                -22.002968472562344
              ],
              [
                594999.6334645569,
                2392998.485885054,
                -22.002968472562344
              ],
              [
                593999.6534645569,
                2392998.485885054,
                -43.22296847256234
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T23:31:31+00:00",
        "end_time": "2013-09-09T22:05:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9493.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9493.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9493.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9493.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0916519,
            21.63762363,
            -43.22296847,
            -158.0819326,
            21.64670892,
            -22.00296847
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.091651876319,
                  21.637676728796396,
                  -43.22296847256234
                ],
                [
                  -158.09159539895379,
                  21.646708917540785,
                  -43.22296847256234
                ],
                [
                  -158.0819326051567,
                  21.6466557992115,
                  -22.002968472562344
                ],
                [
                  -158.0819896838944,
                  21.637623634497288,
                  -22.002968472562344
                ],
                [
                  -158.091651876319,
                  21.637676728796396,
                  -43.22296847256234
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9493.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9493.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T23:31:31Z",
            "pc:count": 236455,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 594677.0264,
                "count": 236455,
                "maximum": 594999.6335,
                "minimum": 593999.6535,
                "name": "X",
                "position": 0,
                "stddev": 242.7450599,
                "variance": 58925.16413
              },
              {
                "average": 2393215.709,
                "count": 236455,
                "maximum": 2393998.306,
                "minimum": 2392998.486,
                "name": "Y",
                "position": 1,
                "stddev": 165.0991344,
                "variance": 27257.72418
              },
              {
                "average": -31.79601861,
                "count": 236455,
                "maximum": -22.00296847,
                "minimum": -43.22296847,
                "name": "Z",
                "position": 2,
                "stddev": 4.579907727,
                "variance": 20.97555479
              },
              {
                "average": 460.3794295,
                "count": 236455,
                "maximum": 6711,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 262.3160566,
                "variance": 68809.71354
              },
              {
                "average": 1.001979235,
                "count": 236455,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04444463896,
                "variance": 0.001975325933
              },
              {
                "average": 1.00239369,
                "count": 236455,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04886686483,
                "variance": 0.002387970478
              },
              {
                "average": 1,
                "count": 236455,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 236455,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 236455,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.19310763,
                "count": 236455,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.193613944,
                "variance": 84.52253735
              },
              {
                "average": 249.0210019,
                "count": 236455,
                "maximum": 251,
                "minimum": 94,
                "name": "UserData",
                "position": 10,
                "stddev": 1.112140576,
                "variance": 1.23685666
              },
              {
                "average": 3.376003891,
                "count": 236455,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.249720627,
                "variance": 1.561801645
              },
              {
                "average": 62857242.52,
                "count": 236455,
                "maximum": 63927891.56,
                "minimum": 62799548.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 237224.1689,
                "variance": 56275306330.0
              },
              {
                "average": 0,
                "count": 236455,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 236455,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 236455,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 236455,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 236455,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              593999.6535,
              2392998.486,
              -43.22296847,
              594999.6335,
              2393998.306,
              -22.00296847
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    593999.6534645569,
                    2392998.485885054,
                    -43.22296847256234
                  ],
                  [
                    593999.6534645569,
                    2393998.305885054,
                    -43.22296847256234
                  ],
                  [
                    594999.6334645569,
                    2393998.305885054,
                    -22.002968472562344
                  ],
                  [
                    594999.6334645569,
                    2392998.485885054,
                    -22.002968472562344
                  ],
                  [
                    593999.6534645569,
                    2392998.485885054,
                    -43.22296847256234
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T23:31:31+00:00",
            "end_time": "2013-09-09T22:05:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qej9494.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.08306619612264,
              21.646664667553377,
              -45.51648718860003
            ],
            [
              -158.08304520571738,
              21.64998910110327,
              -45.51648718860003
            ],
            [
              -158.08191171308064,
              21.649982840021472,
              -39.976487188600025
            ],
            [
              -158.08193272946022,
              21.646658407514114,
              -39.976487188600025
            ],
            [
              -158.08306619612264,
              21.646664667553377,
              -45.51648718860003
            ]
          ]
        ]
      },
      "bbox": [
        -158.0830662,
        21.64665841,
        -45.51648719,
        -158.0819117,
        21.6499891,
        -39.97648719
      ],
      "properties": {
        "datetime": "2013-09-09T22:14:08Z",
        "pc:count": 492,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 594961.994,
            "count": 492,
            "maximum": 594999.6189,
            "minimum": 594882.3189,
            "name": "X",
            "position": 0,
            "stddev": 27.83941973,
            "variance": 775.033291
          },
          {
            "average": 2394155.827,
            "count": 492,
            "maximum": 2394366.595,
            "minimum": 2393998.595,
            "name": "Y",
            "position": 1,
            "stddev": 113.4429879,
            "variance": 12869.31151
          },
          {
            "average": -42.45860101,
            "count": 492,
            "maximum": -39.97648719,
            "minimum": -45.51648719,
            "name": "Z",
            "position": 2,
            "stddev": 1.395889224,
            "variance": 1.948506724
          },
          {
            "average": 575.148374,
            "count": 492,
            "maximum": 1672,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 515.8706957,
            "variance": 266122.5747
          },
          {
            "average": 1,
            "count": 492,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 492,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 492,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 492,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 492,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.52826822,
            "count": 492,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.161339922,
            "variance": 66.60746932
          },
          {
            "average": 249.0142276,
            "count": 492,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1185486443,
            "variance": 0.01405378107
          },
          {
            "average": 2.12398374,
            "count": 492,
            "maximum": 3,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3298984349,
            "variance": 0.1088329773
          },
          {
            "average": 62799611.76,
            "count": 492,
            "maximum": 62800048.52,
            "minimum": 62799545.73,
            "name": "GpsTime",
            "position": 12,
            "stddev": 163.9546566,
            "variance": 26881.12943
          },
          {
            "average": 0,
            "count": 492,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 492,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 492,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 492,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 492,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          594882.3189,
          2393998.595,
          -45.51648719,
          594999.6189,
          2394366.595,
          -39.97648719
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                594882.3188949005,
                2393998.594526454,
                -45.51648718860003
              ],
              [
                594882.3188949005,
                2394366.594526454,
                -45.51648718860003
              ],
              [
                594999.6188949005,
                2394366.594526454,
                -39.976487188600025
              ],
              [
                594999.6188949005,
                2393998.594526454,
                -39.976487188600025
              ],
              [
                594882.3188949005,
                2393998.594526454,
                -45.51648718860003
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T22:14:08+00:00",
        "end_time": "2013-09-09T22:05:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qej9494.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qej9494.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qej9494.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9494.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0830662,
            21.64665841,
            -45.51648719,
            -158.0819117,
            21.6499891,
            -39.97648719
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.08306619612264,
                  21.646664667553377,
                  -45.51648718860003
                ],
                [
                  -158.08304520571738,
                  21.64998910110327,
                  -45.51648718860003
                ],
                [
                  -158.08191171308064,
                  21.649982840021472,
                  -39.976487188600025
                ],
                [
                  -158.08193272946022,
                  21.646658407514114,
                  -39.976487188600025
                ],
                [
                  -158.08306619612264,
                  21.646664667553377,
                  -45.51648718860003
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qej9494.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qej9494.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T22:14:08Z",
            "pc:count": 492,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 594961.994,
                "count": 492,
                "maximum": 594999.6189,
                "minimum": 594882.3189,
                "name": "X",
                "position": 0,
                "stddev": 27.83941973,
                "variance": 775.033291
              },
              {
                "average": 2394155.827,
                "count": 492,
                "maximum": 2394366.595,
                "minimum": 2393998.595,
                "name": "Y",
                "position": 1,
                "stddev": 113.4429879,
                "variance": 12869.31151
              },
              {
                "average": -42.45860101,
                "count": 492,
                "maximum": -39.97648719,
                "minimum": -45.51648719,
                "name": "Z",
                "position": 2,
                "stddev": 1.395889224,
                "variance": 1.948506724
              },
              {
                "average": 575.148374,
                "count": 492,
                "maximum": 1672,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 515.8706957,
                "variance": 266122.5747
              },
              {
                "average": 1,
                "count": 492,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 492,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 492,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 492,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 492,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.52826822,
                "count": 492,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.161339922,
                "variance": 66.60746932
              },
              {
                "average": 249.0142276,
                "count": 492,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1185486443,
                "variance": 0.01405378107
              },
              {
                "average": 2.12398374,
                "count": 492,
                "maximum": 3,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3298984349,
                "variance": 0.1088329773
              },
              {
                "average": 62799611.76,
                "count": 492,
                "maximum": 62800048.52,
                "minimum": 62799545.73,
                "name": "GpsTime",
                "position": 12,
                "stddev": 163.9546566,
                "variance": 26881.12943
              },
              {
                "average": 0,
                "count": 492,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 492,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 492,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 492,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 492,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              594882.3189,
              2393998.595,
              -45.51648719,
              594999.6189,
              2394366.595,
              -39.97648719
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    594882.3188949005,
                    2393998.594526454,
                    -45.51648718860003
                  ],
                  [
                    594882.3188949005,
                    2394366.594526454,
                    -45.51648718860003
                  ],
                  [
                    594999.6188949005,
                    2394366.594526454,
                    -39.976487188600025
                  ],
                  [
                    594999.6188949005,
                    2393998.594526454,
                    -39.976487188600025
                  ],
                  [
                    594882.3188949005,
                    2393998.594526454,
                    -45.51648718860003
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T22:14:08+00:00",
            "end_time": "2013-09-09T22:05:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1259.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9200009620323,
              21.329495188693887,
              0.888524524751727
            ],
            [
              -157.91997211339802,
              21.333436402728907,
              0.888524524751727
            ],
            [
              -157.91033029188605,
              21.33337417540986,
              47.30852452475173
            ],
            [
              -157.91035939706848,
              21.329432973984,
              47.30852452475173
            ],
            [
              -157.9200009620323,
              21.329495188693887,
              0.888524524751727
            ]
          ]
        ]
      },
      "bbox": [
        -157.920001,
        21.32943297,
        0.8885245248,
        -157.9103303,
        21.3334364,
        47.30852452
      ],
      "properties": {
        "datetime": "2013-09-15T10:07:42Z",
        "pc:count": 1944625,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612521.855,
            "count": 1944625,
            "maximum": 612999.7533,
            "minimum": 611999.7533,
            "name": "X",
            "position": 0,
            "stddev": 286.1088639,
            "variance": 81858.28198
          },
          {
            "average": 2359181.06,
            "count": 1944625,
            "maximum": 2359434.728,
            "minimum": 2358998.448,
            "name": "Y",
            "position": 1,
            "stddev": 110.0643302,
            "variance": 12114.15678
          },
          {
            "average": 6.300443111,
            "count": 1944625,
            "maximum": 47.30852452,
            "minimum": 0.8885245248,
            "name": "Z",
            "position": 2,
            "stddev": 4.345269025,
            "variance": 18.8813629
          },
          {
            "average": 33.4135296,
            "count": 1944625,
            "maximum": 873,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.99029767,
            "variance": 2115.10748
          },
          {
            "average": 1.118109147,
            "count": 1944625,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3959381633,
            "variance": 0.1567670292
          },
          {
            "average": 1.213035932,
            "count": 1944625,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5637147368,
            "variance": 0.3177743045
          },
          {
            "average": 1,
            "count": 1944625,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1944625,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.345142123,
            "count": 1944625,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4754147179,
            "variance": 0.226019154
          },
          {
            "average": 0,
            "count": 1944625,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.70259767,
            "count": 1944625,
            "maximum": 193,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 62.77448652,
            "variance": 3940.636158
          },
          {
            "average": 1.885316192,
            "count": 1944625,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.072624813,
            "variance": 1.150523989
          },
          {
            "average": 63273888.72,
            "count": 1944625,
            "maximum": 63274862.78,
            "minimum": 63273515.77,
            "name": "GpsTime",
            "position": 12,
            "stddev": 446.2420976,
            "variance": 199132.0096
          },
          {
            "average": 0,
            "count": 1944625,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1944625,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1944625,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1944625,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1944625,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7533,
          2358998.448,
          0.8885245248,
          612999.7533,
          2359434.728,
          47.30852452
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7532786075,
                2358998.448077795,
                0.888524524751727
              ],
              [
                611999.7532786075,
                2359434.7280777954,
                0.888524524751727
              ],
              [
                612999.7532786075,
                2359434.7280777954,
                47.30852452475173
              ],
              [
                612999.7532786075,
                2358998.448077795,
                47.30852452475173
              ],
              [
                611999.7532786075,
                2358998.448077795,
                0.888524524751727
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:07:42+00:00",
        "end_time": "2013-09-15T09:45:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1259.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1259.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1259.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1259.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.920001,
            21.32943297,
            0.8885245248,
            -157.9103303,
            21.3334364,
            47.30852452
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9200009620323,
                  21.329495188693887,
                  0.888524524751727
                ],
                [
                  -157.91997211339802,
                  21.333436402728907,
                  0.888524524751727
                ],
                [
                  -157.91033029188605,
                  21.33337417540986,
                  47.30852452475173
                ],
                [
                  -157.91035939706848,
                  21.329432973984,
                  47.30852452475173
                ],
                [
                  -157.9200009620323,
                  21.329495188693887,
                  0.888524524751727
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1259.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1259.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:07:42Z",
            "pc:count": 1944625,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612521.855,
                "count": 1944625,
                "maximum": 612999.7533,
                "minimum": 611999.7533,
                "name": "X",
                "position": 0,
                "stddev": 286.1088639,
                "variance": 81858.28198
              },
              {
                "average": 2359181.06,
                "count": 1944625,
                "maximum": 2359434.728,
                "minimum": 2358998.448,
                "name": "Y",
                "position": 1,
                "stddev": 110.0643302,
                "variance": 12114.15678
              },
              {
                "average": 6.300443111,
                "count": 1944625,
                "maximum": 47.30852452,
                "minimum": 0.8885245248,
                "name": "Z",
                "position": 2,
                "stddev": 4.345269025,
                "variance": 18.8813629
              },
              {
                "average": 33.4135296,
                "count": 1944625,
                "maximum": 873,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.99029767,
                "variance": 2115.10748
              },
              {
                "average": 1.118109147,
                "count": 1944625,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3959381633,
                "variance": 0.1567670292
              },
              {
                "average": 1.213035932,
                "count": 1944625,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5637147368,
                "variance": 0.3177743045
              },
              {
                "average": 1,
                "count": 1944625,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1944625,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.345142123,
                "count": 1944625,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4754147179,
                "variance": 0.226019154
              },
              {
                "average": 0,
                "count": 1944625,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.70259767,
                "count": 1944625,
                "maximum": 193,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 62.77448652,
                "variance": 3940.636158
              },
              {
                "average": 1.885316192,
                "count": 1944625,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.072624813,
                "variance": 1.150523989
              },
              {
                "average": 63273888.72,
                "count": 1944625,
                "maximum": 63274862.78,
                "minimum": 63273515.77,
                "name": "GpsTime",
                "position": 12,
                "stddev": 446.2420976,
                "variance": 199132.0096
              },
              {
                "average": 0,
                "count": 1944625,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1944625,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1944625,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1944625,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1944625,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7533,
              2358998.448,
              0.8885245248,
              612999.7533,
              2359434.728,
              47.30852452
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7532786075,
                    2358998.448077795,
                    0.888524524751727
                  ],
                  [
                    611999.7532786075,
                    2359434.7280777954,
                    0.888524524751727
                  ],
                  [
                    612999.7532786075,
                    2359434.7280777954,
                    47.30852452475173
                  ],
                  [
                    612999.7532786075,
                    2358998.448077795,
                    47.30852452475173
                  ],
                  [
                    611999.7532786075,
                    2358998.448077795,
                    0.888524524751727
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:07:42+00:00",
            "end_time": "2013-09-15T09:45:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1953.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85293142616717,
              21.274846936368576,
              -33.48535310711877
            ],
            [
              -157.85286137873308,
              21.283880487381083,
              -33.48535310711877
            ],
            [
              -157.84322282436455,
              21.283814554536747,
              24.63464689288124
            ],
            [
              -157.84329346141598,
              21.274781034603233,
              24.63464689288124
            ],
            [
              -157.85293142616717,
              21.274846936368576,
              -33.48535310711877
            ]
          ]
        ]
      },
      "bbox": [
        -157.8529314,
        21.27478103,
        -33.48535311,
        -157.8432228,
        21.28388049,
        24.63464689
      ],
      "properties": {
        "datetime": "2013-09-17T12:50:00Z",
        "pc:count": 2208581,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619557.4792,
            "count": 2208581,
            "maximum": 619999.7868,
            "minimum": 618999.7668,
            "name": "X",
            "position": 0,
            "stddev": 272.0015393,
            "variance": 73984.83737
          },
          {
            "average": 2353599.53,
            "count": 2208581,
            "maximum": 2353998.436,
            "minimum": 2352998.436,
            "name": "Y",
            "position": 1,
            "stddev": 267.6666785,
            "variance": 71645.4508
          },
          {
            "average": -7.621310566,
            "count": 2208581,
            "maximum": 24.63464689,
            "minimum": -33.48535311,
            "name": "Z",
            "position": 2,
            "stddev": 6.315379271,
            "variance": 39.88401534
          },
          {
            "average": 56.66738553,
            "count": 2208581,
            "maximum": 3683,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 132.8031742,
            "variance": 17636.68307
          },
          {
            "average": 1.02987031,
            "count": 2208581,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1813912395,
            "variance": 0.03290278177
          },
          {
            "average": 1.047712083,
            "count": 2208581,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2410523707,
            "variance": 0.05810624543
          },
          {
            "average": 1,
            "count": 2208581,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2208581,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 27.21056416,
            "count": 2208581,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.766070755,
            "variance": 45.77971346
          },
          {
            "average": 16.44310381,
            "count": 2208581,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.932391076,
            "variance": 62.92282819
          },
          {
            "average": 114.9129849,
            "count": 2208581,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 86.8232235,
            "variance": 7538.272138
          },
          {
            "average": 11.36157605,
            "count": 2208581,
            "maximum": 16,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.343665199,
            "variance": 1.805436168
          },
          {
            "average": 63281161.25,
            "count": 2208581,
            "maximum": 63457400.81,
            "minimum": 63279597.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6710.379102,
            "variance": 45029187.69
          },
          {
            "average": 0,
            "count": 2208581,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2208581,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2208581,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2208581,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2208581,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.7668,
          2352998.436,
          -33.48535311,
          619999.7868,
          2353998.436,
          24.63464689
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.7667826363,
                2352998.4360221084,
                -33.48535310711877
              ],
              [
                618999.7667826363,
                2353998.4360221084,
                -33.48535310711877
              ],
              [
                619999.7867826363,
                2353998.4360221084,
                24.63464689288124
              ],
              [
                619999.7867826363,
                2352998.4360221084,
                24.63464689288124
              ],
              [
                618999.7667826363,
                2352998.4360221084,
                -33.48535310711877
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:50:00+00:00",
        "end_time": "2013-09-15T11:26:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1953.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1953.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1953.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1953.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8529314,
            21.27478103,
            -33.48535311,
            -157.8432228,
            21.28388049,
            24.63464689
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85293142616717,
                  21.274846936368576,
                  -33.48535310711877
                ],
                [
                  -157.85286137873308,
                  21.283880487381083,
                  -33.48535310711877
                ],
                [
                  -157.84322282436455,
                  21.283814554536747,
                  24.63464689288124
                ],
                [
                  -157.84329346141598,
                  21.274781034603233,
                  24.63464689288124
                ],
                [
                  -157.85293142616717,
                  21.274846936368576,
                  -33.48535310711877
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1953.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1953.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:50:00Z",
            "pc:count": 2208581,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619557.4792,
                "count": 2208581,
                "maximum": 619999.7868,
                "minimum": 618999.7668,
                "name": "X",
                "position": 0,
                "stddev": 272.0015393,
                "variance": 73984.83737
              },
              {
                "average": 2353599.53,
                "count": 2208581,
                "maximum": 2353998.436,
                "minimum": 2352998.436,
                "name": "Y",
                "position": 1,
                "stddev": 267.6666785,
                "variance": 71645.4508
              },
              {
                "average": -7.621310566,
                "count": 2208581,
                "maximum": 24.63464689,
                "minimum": -33.48535311,
                "name": "Z",
                "position": 2,
                "stddev": 6.315379271,
                "variance": 39.88401534
              },
              {
                "average": 56.66738553,
                "count": 2208581,
                "maximum": 3683,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 132.8031742,
                "variance": 17636.68307
              },
              {
                "average": 1.02987031,
                "count": 2208581,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1813912395,
                "variance": 0.03290278177
              },
              {
                "average": 1.047712083,
                "count": 2208581,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2410523707,
                "variance": 0.05810624543
              },
              {
                "average": 1,
                "count": 2208581,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2208581,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 27.21056416,
                "count": 2208581,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.766070755,
                "variance": 45.77971346
              },
              {
                "average": 16.44310381,
                "count": 2208581,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.932391076,
                "variance": 62.92282819
              },
              {
                "average": 114.9129849,
                "count": 2208581,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 86.8232235,
                "variance": 7538.272138
              },
              {
                "average": 11.36157605,
                "count": 2208581,
                "maximum": 16,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.343665199,
                "variance": 1.805436168
              },
              {
                "average": 63281161.25,
                "count": 2208581,
                "maximum": 63457400.81,
                "minimum": 63279597.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6710.379102,
                "variance": 45029187.69
              },
              {
                "average": 0,
                "count": 2208581,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2208581,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2208581,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2208581,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2208581,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.7668,
              2352998.436,
              -33.48535311,
              619999.7868,
              2353998.436,
              24.63464689
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.7667826363,
                    2352998.4360221084,
                    -33.48535310711877
                  ],
                  [
                    618999.7667826363,
                    2353998.4360221084,
                    -33.48535310711877
                  ],
                  [
                    619999.7867826363,
                    2353998.4360221084,
                    24.63464689288124
                  ],
                  [
                    619999.7867826363,
                    2352998.4360221084,
                    24.63464689288124
                  ],
                  [
                    618999.7667826363,
                    2352998.4360221084,
                    -33.48535310711877
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:50:00+00:00",
            "end_time": "2013-09-15T11:26:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj0959.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.94892599131597,
              21.32967848181641,
              1.973940049848714
            ],
            [
              -157.948915336213,
              21.33117411219671,
              1.973940049848714
            ],
            [
              -157.93927357547275,
              21.331113554958584,
              32.113940049848715
            ],
            [
              -157.93928432819942,
              21.329617929196182,
              32.113940049848715
            ],
            [
              -157.94892599131597,
              21.32967848181641,
              1.973940049848714
            ]
          ]
        ]
      },
      "bbox": [
        -157.948926,
        21.32961793,
        1.97394005,
        -157.9392736,
        21.33117411,
        32.11394005
      ],
      "properties": {
        "datetime": "2013-09-15T09:44:49Z",
        "pc:count": 460110,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609530.8322,
            "count": 460110,
            "maximum": 609999.7404,
            "minimum": 608999.7404,
            "name": "X",
            "position": 0,
            "stddev": 292.8082558,
            "variance": 85736.67466
          },
          {
            "average": 2359073.82,
            "count": 460110,
            "maximum": 2359164.003,
            "minimum": 2358998.443,
            "name": "Y",
            "position": 1,
            "stddev": 38.82587849,
            "variance": 1507.448841
          },
          {
            "average": 3.393759245,
            "count": 460110,
            "maximum": 32.11394005,
            "minimum": 1.97394005,
            "name": "Z",
            "position": 2,
            "stddev": 1.128973182,
            "variance": 1.274580447
          },
          {
            "average": 42.29041751,
            "count": 460110,
            "maximum": 841,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 49.83278951,
            "variance": 2483.30691
          },
          {
            "average": 1.005300906,
            "count": 460110,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07705762752,
            "variance": 0.005937877958
          },
          {
            "average": 1.009308644,
            "count": 460110,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1048179946,
            "variance": 0.01098681199
          },
          {
            "average": 1,
            "count": 460110,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 460110,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.534267892,
            "count": 460110,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4988248714,
            "variance": 0.2488262523
          },
          {
            "average": 0,
            "count": 460110,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.94616939,
            "count": 460110,
            "maximum": 189,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 62.04083225,
            "variance": 3849.064867
          },
          {
            "average": 1,
            "count": 460110,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63273480.53,
            "count": 460110,
            "maximum": 63273489.67,
            "minimum": 63273470.41,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4.696207363,
            "variance": 22.0543636
          },
          {
            "average": 0,
            "count": 460110,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 460110,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 460110,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 460110,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 460110,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608999.7404,
          2358998.443,
          1.97394005,
          609999.7404,
          2359164.003,
          32.11394005
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608999.7404225955,
                2358998.443467274,
                1.973940049848714
              ],
              [
                608999.7404225955,
                2359164.0034672734,
                1.973940049848714
              ],
              [
                609999.7404225955,
                2359164.0034672734,
                32.113940049848715
              ],
              [
                609999.7404225955,
                2358998.443467274,
                32.113940049848715
              ],
              [
                608999.7404225955,
                2358998.443467274,
                1.973940049848714
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T09:44:49+00:00",
        "end_time": "2013-09-15T09:44:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj0959.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj0959.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj0959.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0959.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.948926,
            21.32961793,
            1.97394005,
            -157.9392736,
            21.33117411,
            32.11394005
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.94892599131597,
                  21.32967848181641,
                  1.973940049848714
                ],
                [
                  -157.948915336213,
                  21.33117411219671,
                  1.973940049848714
                ],
                [
                  -157.93927357547275,
                  21.331113554958584,
                  32.113940049848715
                ],
                [
                  -157.93928432819942,
                  21.329617929196182,
                  32.113940049848715
                ],
                [
                  -157.94892599131597,
                  21.32967848181641,
                  1.973940049848714
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj0959.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj0959.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T09:44:49Z",
            "pc:count": 460110,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609530.8322,
                "count": 460110,
                "maximum": 609999.7404,
                "minimum": 608999.7404,
                "name": "X",
                "position": 0,
                "stddev": 292.8082558,
                "variance": 85736.67466
              },
              {
                "average": 2359073.82,
                "count": 460110,
                "maximum": 2359164.003,
                "minimum": 2358998.443,
                "name": "Y",
                "position": 1,
                "stddev": 38.82587849,
                "variance": 1507.448841
              },
              {
                "average": 3.393759245,
                "count": 460110,
                "maximum": 32.11394005,
                "minimum": 1.97394005,
                "name": "Z",
                "position": 2,
                "stddev": 1.128973182,
                "variance": 1.274580447
              },
              {
                "average": 42.29041751,
                "count": 460110,
                "maximum": 841,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 49.83278951,
                "variance": 2483.30691
              },
              {
                "average": 1.005300906,
                "count": 460110,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07705762752,
                "variance": 0.005937877958
              },
              {
                "average": 1.009308644,
                "count": 460110,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1048179946,
                "variance": 0.01098681199
              },
              {
                "average": 1,
                "count": 460110,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 460110,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.534267892,
                "count": 460110,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4988248714,
                "variance": 0.2488262523
              },
              {
                "average": 0,
                "count": 460110,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.94616939,
                "count": 460110,
                "maximum": 189,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 62.04083225,
                "variance": 3849.064867
              },
              {
                "average": 1,
                "count": 460110,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63273480.53,
                "count": 460110,
                "maximum": 63273489.67,
                "minimum": 63273470.41,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4.696207363,
                "variance": 22.0543636
              },
              {
                "average": 0,
                "count": 460110,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 460110,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 460110,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 460110,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 460110,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608999.7404,
              2358998.443,
              1.97394005,
              609999.7404,
              2359164.003,
              32.11394005
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608999.7404225955,
                    2358998.443467274,
                    1.973940049848714
                  ],
                  [
                    608999.7404225955,
                    2359164.0034672734,
                    1.973940049848714
                  ],
                  [
                    609999.7404225955,
                    2359164.0034672734,
                    32.113940049848715
                  ],
                  [
                    609999.7404225955,
                    2358998.443467274,
                    32.113940049848715
                  ],
                  [
                    608999.7404225955,
                    2358998.443467274,
                    1.973940049848714
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T09:44:49+00:00",
            "end_time": "2013-09-15T09:44:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1288.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90896597410267,
              21.59911807443463,
              22.01908833219521
            ],
            [
              -157.90895604566785,
              21.60044254564951,
              22.01908833219521
            ],
            [
              -157.90834248243328,
              21.600438521652936,
              47.919088332195216
            ],
            [
              -157.90835241644572,
              21.599114050711183,
              47.919088332195216
            ],
            [
              -157.90896597410267,
              21.59911807443463,
              22.01908833219521
            ]
          ]
        ]
      },
      "bbox": [
        -157.908966,
        21.59911405,
        22.01908833,
        -157.9083425,
        21.60044255,
        47.91908833
      ],
      "properties": {
        "datetime": "2013-09-22T02:26:14Z",
        "pc:count": 43431,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612975.2318,
            "count": 43431,
            "maximum": 612999.7659,
            "minimum": 612936.2459,
            "name": "X",
            "position": 0,
            "stddev": 15.4182072,
            "variance": 237.7211132
          },
          {
            "average": 2388946.599,
            "count": 43431,
            "maximum": 2388998.49,
            "minimum": 2388851.87,
            "name": "Y",
            "position": 1,
            "stddev": 35.80190108,
            "variance": 1281.776121
          },
          {
            "average": 38.35694148,
            "count": 43431,
            "maximum": 47.91908833,
            "minimum": 22.01908833,
            "name": "Z",
            "position": 2,
            "stddev": 3.707725644,
            "variance": 13.74722945
          },
          {
            "average": 6.143584076,
            "count": 43431,
            "maximum": 75,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 7.382127089,
            "variance": 54.49580036
          },
          {
            "average": 1.63288895,
            "count": 43431,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8942827774,
            "variance": 0.799741686
          },
          {
            "average": 2.251364233,
            "count": 43431,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.184605147,
            "variance": 1.403289355
          },
          {
            "average": 1,
            "count": 43431,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 43431,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.011834864,
            "count": 43431,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.1081437458,
            "variance": 0.01169506976
          },
          {
            "average": 20.809033,
            "count": 43431,
            "maximum": 22.99799919,
            "minimum": 19.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.9191229016,
            "variance": 0.8447869082
          },
          {
            "average": 91.23810182,
            "count": 43431,
            "maximum": 193,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.17292737,
            "variance": 4647.548026
          },
          {
            "average": 14,
            "count": 43431,
            "maximum": 14,
            "minimum": 14,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63851973.03,
            "count": 43431,
            "maximum": 63851974.68,
            "minimum": 63851970.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.9467168695,
            "variance": 0.8962728311
          },
          {
            "average": 0,
            "count": 43431,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 43431,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 43431,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 43431,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 43431,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612936.2459,
          2388851.87,
          22.01908833,
          612999.7659,
          2388998.49,
          47.91908833
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612936.2458643363,
                2388851.8702610317,
                22.01908833219521
              ],
              [
                612936.2458643363,
                2388998.490261032,
                22.01908833219521
              ],
              [
                612999.7658643363,
                2388998.490261032,
                47.919088332195216
              ],
              [
                612999.7658643363,
                2388851.8702610317,
                47.919088332195216
              ],
              [
                612936.2458643363,
                2388851.8702610317,
                22.01908833219521
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:26:14+00:00",
        "end_time": "2013-09-22T02:26:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1288.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1288.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1288.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1288.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.908966,
            21.59911405,
            22.01908833,
            -157.9083425,
            21.60044255,
            47.91908833
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90896597410267,
                  21.59911807443463,
                  22.01908833219521
                ],
                [
                  -157.90895604566785,
                  21.60044254564951,
                  22.01908833219521
                ],
                [
                  -157.90834248243328,
                  21.600438521652936,
                  47.919088332195216
                ],
                [
                  -157.90835241644572,
                  21.599114050711183,
                  47.919088332195216
                ],
                [
                  -157.90896597410267,
                  21.59911807443463,
                  22.01908833219521
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1288.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1288.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:26:14Z",
            "pc:count": 43431,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612975.2318,
                "count": 43431,
                "maximum": 612999.7659,
                "minimum": 612936.2459,
                "name": "X",
                "position": 0,
                "stddev": 15.4182072,
                "variance": 237.7211132
              },
              {
                "average": 2388946.599,
                "count": 43431,
                "maximum": 2388998.49,
                "minimum": 2388851.87,
                "name": "Y",
                "position": 1,
                "stddev": 35.80190108,
                "variance": 1281.776121
              },
              {
                "average": 38.35694148,
                "count": 43431,
                "maximum": 47.91908833,
                "minimum": 22.01908833,
                "name": "Z",
                "position": 2,
                "stddev": 3.707725644,
                "variance": 13.74722945
              },
              {
                "average": 6.143584076,
                "count": 43431,
                "maximum": 75,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 7.382127089,
                "variance": 54.49580036
              },
              {
                "average": 1.63288895,
                "count": 43431,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8942827774,
                "variance": 0.799741686
              },
              {
                "average": 2.251364233,
                "count": 43431,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.184605147,
                "variance": 1.403289355
              },
              {
                "average": 1,
                "count": 43431,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 43431,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.011834864,
                "count": 43431,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.1081437458,
                "variance": 0.01169506976
              },
              {
                "average": 20.809033,
                "count": 43431,
                "maximum": 22.99799919,
                "minimum": 19.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.9191229016,
                "variance": 0.8447869082
              },
              {
                "average": 91.23810182,
                "count": 43431,
                "maximum": 193,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.17292737,
                "variance": 4647.548026
              },
              {
                "average": 14,
                "count": 43431,
                "maximum": 14,
                "minimum": 14,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63851973.03,
                "count": 43431,
                "maximum": 63851974.68,
                "minimum": 63851970.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.9467168695,
                "variance": 0.8962728311
              },
              {
                "average": 0,
                "count": 43431,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 43431,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 43431,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 43431,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 43431,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612936.2459,
              2388851.87,
              22.01908833,
              612999.7659,
              2388998.49,
              47.91908833
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612936.2458643363,
                    2388851.8702610317,
                    22.01908833219521
                  ],
                  [
                    612936.2458643363,
                    2388998.490261032,
                    22.01908833219521
                  ],
                  [
                    612999.7658643363,
                    2388998.490261032,
                    47.919088332195216
                  ],
                  [
                    612999.7658643363,
                    2388851.8702610317,
                    47.919088332195216
                  ],
                  [
                    612936.2458643363,
                    2388851.8702610317,
                    22.01908833219521
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:26:14+00:00",
            "end_time": "2013-09-22T02:26:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1855.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86243021291784,
              21.292979399048015,
              -7.59763318841236
            ],
            [
              -157.86236068697062,
              21.302013123907475,
              -7.59763318841236
            ],
            [
              -157.85272110813565,
              21.301947685372184,
              131.10236681158767
            ],
            [
              -157.8527912233042,
              21.292913990720127,
              131.10236681158767
            ],
            [
              -157.86243021291784,
              21.292979399048015,
              -7.59763318841236
            ]
          ]
        ]
      },
      "bbox": [
        -157.8624302,
        21.29291399,
        -7.597633188,
        -157.8527211,
        21.30201312,
        131.1023668
      ],
      "properties": {
        "datetime": "2013-09-17T12:44:29Z",
        "pc:count": 7883092,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618470.2564,
            "count": 7883092,
            "maximum": 618999.7748,
            "minimum": 617999.7748,
            "name": "X",
            "position": 0,
            "stddev": 294.0768557,
            "variance": 86481.19704
          },
          {
            "average": 2355504.134,
            "count": 7883092,
            "maximum": 2355998.454,
            "minimum": 2354998.434,
            "name": "Y",
            "position": 1,
            "stddev": 296.4736399,
            "variance": 87896.61917
          },
          {
            "average": 7.707803523,
            "count": 7883092,
            "maximum": 131.1023668,
            "minimum": -7.597633188,
            "name": "Z",
            "position": 2,
            "stddev": 11.59723008,
            "variance": 134.4957456
          },
          {
            "average": 33.31415858,
            "count": 7883092,
            "maximum": 1945,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 65.5756158,
            "variance": 4300.161388
          },
          {
            "average": 1.281394788,
            "count": 7883092,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.637356959,
            "variance": 0.4062238932
          },
          {
            "average": 1.558411471,
            "count": 7883092,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9555171451,
            "variance": 0.9130130147
          },
          {
            "average": 1,
            "count": 7883092,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7883092,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.256564937,
            "count": 7883092,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.508489778,
            "variance": 2.275541409
          },
          {
            "average": 18.36953676,
            "count": 7883092,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.727747425,
            "variance": 45.26258541
          },
          {
            "average": 92.11580659,
            "count": 7883092,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.99910668,
            "variance": 4224.883869
          },
          {
            "average": 5.417542507,
            "count": 7883092,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.793335843,
            "variance": 3.216053447
          },
          {
            "average": 63311665.59,
            "count": 7883092,
            "maximum": 63457069,
            "minimum": 63277702.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 68378.23971,
            "variance": 4675583666
          },
          {
            "average": 0,
            "count": 7883092,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7883092,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7883092,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7883092,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7883092,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.7748,
          2354998.434,
          -7.597633188,
          618999.7748,
          2355998.454,
          131.1023668
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.7748294191,
                2354998.4335721764,
                -7.59763318841236
              ],
              [
                617999.7748294191,
                2355998.453572176,
                -7.59763318841236
              ],
              [
                618999.7748294191,
                2355998.453572176,
                131.10236681158767
              ],
              [
                618999.7748294191,
                2354998.4335721764,
                131.10236681158767
              ],
              [
                617999.7748294191,
                2354998.4335721764,
                -7.59763318841236
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:44:29+00:00",
        "end_time": "2013-09-15T10:55:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1855.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1855.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1855.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1855.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8624302,
            21.29291399,
            -7.597633188,
            -157.8527211,
            21.30201312,
            131.1023668
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86243021291784,
                  21.292979399048015,
                  -7.59763318841236
                ],
                [
                  -157.86236068697062,
                  21.302013123907475,
                  -7.59763318841236
                ],
                [
                  -157.85272110813565,
                  21.301947685372184,
                  131.10236681158767
                ],
                [
                  -157.8527912233042,
                  21.292913990720127,
                  131.10236681158767
                ],
                [
                  -157.86243021291784,
                  21.292979399048015,
                  -7.59763318841236
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1855.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1855.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:44:29Z",
            "pc:count": 7883092,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618470.2564,
                "count": 7883092,
                "maximum": 618999.7748,
                "minimum": 617999.7748,
                "name": "X",
                "position": 0,
                "stddev": 294.0768557,
                "variance": 86481.19704
              },
              {
                "average": 2355504.134,
                "count": 7883092,
                "maximum": 2355998.454,
                "minimum": 2354998.434,
                "name": "Y",
                "position": 1,
                "stddev": 296.4736399,
                "variance": 87896.61917
              },
              {
                "average": 7.707803523,
                "count": 7883092,
                "maximum": 131.1023668,
                "minimum": -7.597633188,
                "name": "Z",
                "position": 2,
                "stddev": 11.59723008,
                "variance": 134.4957456
              },
              {
                "average": 33.31415858,
                "count": 7883092,
                "maximum": 1945,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 65.5756158,
                "variance": 4300.161388
              },
              {
                "average": 1.281394788,
                "count": 7883092,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.637356959,
                "variance": 0.4062238932
              },
              {
                "average": 1.558411471,
                "count": 7883092,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9555171451,
                "variance": 0.9130130147
              },
              {
                "average": 1,
                "count": 7883092,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7883092,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.256564937,
                "count": 7883092,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.508489778,
                "variance": 2.275541409
              },
              {
                "average": 18.36953676,
                "count": 7883092,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.727747425,
                "variance": 45.26258541
              },
              {
                "average": 92.11580659,
                "count": 7883092,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.99910668,
                "variance": 4224.883869
              },
              {
                "average": 5.417542507,
                "count": 7883092,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.793335843,
                "variance": 3.216053447
              },
              {
                "average": 63311665.59,
                "count": 7883092,
                "maximum": 63457069,
                "minimum": 63277702.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 68378.23971,
                "variance": 4675583666
              },
              {
                "average": 0,
                "count": 7883092,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7883092,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7883092,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7883092,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7883092,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.7748,
              2354998.434,
              -7.597633188,
              618999.7748,
              2355998.454,
              131.1023668
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.7748294191,
                    2354998.4335721764,
                    -7.59763318841236
                  ],
                  [
                    617999.7748294191,
                    2355998.453572176,
                    -7.59763318841236
                  ],
                  [
                    618999.7748294191,
                    2355998.453572176,
                    131.10236681158767
                  ],
                  [
                    618999.7748294191,
                    2354998.4335721764,
                    131.10236681158767
                  ],
                  [
                    617999.7748294191,
                    2354998.4335721764,
                    -7.59763318841236
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:44:29+00:00",
            "end_time": "2013-09-15T10:55:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1558.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89114418039802,
              21.320273265096368,
              0.565589667024735
            ],
            [
              -157.89107630913037,
              21.32930686328102,
              0.565589667024735
            ],
            [
              -157.88143485133426,
              21.32924299311524,
              39.505589667024736
            ],
            [
              -157.88150330860879,
              21.32020942608255,
              39.505589667024736
            ],
            [
              -157.89114418039802,
              21.320273265096368,
              0.565589667024735
            ]
          ]
        ]
      },
      "bbox": [
        -157.8911442,
        21.32020943,
        0.565589667,
        -157.8814349,
        21.32930686,
        39.50558967
      ],
      "properties": {
        "datetime": "2013-09-16T09:44:16Z",
        "pc:count": 4898671,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615444.3518,
            "count": 4898671,
            "maximum": 615999.76,
            "minimum": 614999.76,
            "name": "X",
            "position": 0,
            "stddev": 270.3693746,
            "variance": 73099.59871
          },
          {
            "average": 2358477.341,
            "count": 4898671,
            "maximum": 2358998.445,
            "minimum": 2357998.445,
            "name": "Y",
            "position": 1,
            "stddev": 292.3570792,
            "variance": 85472.66176
          },
          {
            "average": 6.831188992,
            "count": 4898671,
            "maximum": 39.50558967,
            "minimum": 0.565589667,
            "name": "Z",
            "position": 2,
            "stddev": 4.053157444,
            "variance": 16.42808527
          },
          {
            "average": 46.9491558,
            "count": 4898671,
            "maximum": 988,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 82.32040179,
            "variance": 6776.648551
          },
          {
            "average": 1.169852803,
            "count": 4898671,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.468193229,
            "variance": 0.2192048996
          },
          {
            "average": 1.309495984,
            "count": 4898671,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6623498273,
            "variance": 0.4387072938
          },
          {
            "average": 1,
            "count": 4898671,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4898671,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.207605287,
            "count": 4898671,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4055926103,
            "variance": 0.1645053655
          },
          {
            "average": 0,
            "count": 4898671,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.19816599,
            "count": 4898671,
            "maximum": 193,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.75121398,
            "variance": 4064.217284
          },
          {
            "average": 4.63440574,
            "count": 4898671,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.731802245,
            "variance": 7.462743507
          },
          {
            "average": 63298982.53,
            "count": 4898671,
            "maximum": 63359856.24,
            "minimum": 63274888.73,
            "name": "GpsTime",
            "position": 12,
            "stddev": 33813.98395,
            "variance": 1143385511
          },
          {
            "average": 0,
            "count": 4898671,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4898671,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4898671,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4898671,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4898671,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.76,
          2357998.445,
          0.565589667,
          615999.76,
          2358998.445,
          39.50558967
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.7599926689,
                2357998.4452678757,
                0.565589667024735
              ],
              [
                614999.7599926689,
                2358998.4452678757,
                0.565589667024735
              ],
              [
                615999.7599926689,
                2358998.4452678757,
                39.505589667024736
              ],
              [
                615999.7599926689,
                2357998.4452678757,
                39.505589667024736
              ],
              [
                614999.7599926689,
                2357998.4452678757,
                0.565589667024735
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:44:16+00:00",
        "end_time": "2013-09-15T10:08:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1558.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1558.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1558.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1558.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8911442,
            21.32020943,
            0.565589667,
            -157.8814349,
            21.32930686,
            39.50558967
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89114418039802,
                  21.320273265096368,
                  0.565589667024735
                ],
                [
                  -157.89107630913037,
                  21.32930686328102,
                  0.565589667024735
                ],
                [
                  -157.88143485133426,
                  21.32924299311524,
                  39.505589667024736
                ],
                [
                  -157.88150330860879,
                  21.32020942608255,
                  39.505589667024736
                ],
                [
                  -157.89114418039802,
                  21.320273265096368,
                  0.565589667024735
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1558.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1558.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:44:16Z",
            "pc:count": 4898671,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615444.3518,
                "count": 4898671,
                "maximum": 615999.76,
                "minimum": 614999.76,
                "name": "X",
                "position": 0,
                "stddev": 270.3693746,
                "variance": 73099.59871
              },
              {
                "average": 2358477.341,
                "count": 4898671,
                "maximum": 2358998.445,
                "minimum": 2357998.445,
                "name": "Y",
                "position": 1,
                "stddev": 292.3570792,
                "variance": 85472.66176
              },
              {
                "average": 6.831188992,
                "count": 4898671,
                "maximum": 39.50558967,
                "minimum": 0.565589667,
                "name": "Z",
                "position": 2,
                "stddev": 4.053157444,
                "variance": 16.42808527
              },
              {
                "average": 46.9491558,
                "count": 4898671,
                "maximum": 988,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 82.32040179,
                "variance": 6776.648551
              },
              {
                "average": 1.169852803,
                "count": 4898671,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.468193229,
                "variance": 0.2192048996
              },
              {
                "average": 1.309495984,
                "count": 4898671,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6623498273,
                "variance": 0.4387072938
              },
              {
                "average": 1,
                "count": 4898671,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4898671,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.207605287,
                "count": 4898671,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4055926103,
                "variance": 0.1645053655
              },
              {
                "average": 0,
                "count": 4898671,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.19816599,
                "count": 4898671,
                "maximum": 193,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.75121398,
                "variance": 4064.217284
              },
              {
                "average": 4.63440574,
                "count": 4898671,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.731802245,
                "variance": 7.462743507
              },
              {
                "average": 63298982.53,
                "count": 4898671,
                "maximum": 63359856.24,
                "minimum": 63274888.73,
                "name": "GpsTime",
                "position": 12,
                "stddev": 33813.98395,
                "variance": 1143385511
              },
              {
                "average": 0,
                "count": 4898671,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4898671,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4898671,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4898671,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4898671,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.76,
              2357998.445,
              0.565589667,
              615999.76,
              2358998.445,
              39.50558967
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.7599926689,
                    2357998.4452678757,
                    0.565589667024735
                  ],
                  [
                    614999.7599926689,
                    2358998.4452678757,
                    0.565589667024735
                  ],
                  [
                    615999.7599926689,
                    2358998.4452678757,
                    39.505589667024736
                  ],
                  [
                    615999.7599926689,
                    2357998.4452678757,
                    39.505589667024736
                  ],
                  [
                    614999.7599926689,
                    2357998.4452678757,
                    0.565589667024735
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:44:16+00:00",
            "end_time": "2013-09-15T10:08:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0995.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.94351101614916,
              21.65486862480745,
              1.135636260290816
            ],
            [
              -157.94344524297503,
              21.663902022467486,
              1.135636260290816
            ],
            [
              -157.93685828437685,
              21.663859969154828,
              41.41563626029082
            ],
            [
              -157.93692446781708,
              21.654826590697898,
              41.41563626029082
            ],
            [
              -157.94351101614916,
              21.65486862480745,
              1.135636260290816
            ]
          ]
        ]
      },
      "bbox": [
        -157.943511,
        21.65482659,
        1.13563626,
        -157.9368583,
        21.66390202,
        41.41563626
      ],
      "properties": {
        "datetime": "2013-09-22T01:54:10Z",
        "pc:count": 1780163,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609784.0692,
            "count": 1780163,
            "maximum": 609999.7551,
            "minimum": 609318.1351,
            "name": "X",
            "position": 0,
            "stddev": 156.871419,
            "variance": 24608.64209
          },
          {
            "average": 2395673.801,
            "count": 1780163,
            "maximum": 2395998.49,
            "minimum": 2394998.49,
            "name": "Y",
            "position": 1,
            "stddev": 241.6018799,
            "variance": 58371.46836
          },
          {
            "average": 13.57766741,
            "count": 1780163,
            "maximum": 41.41563626,
            "minimum": 1.13563626,
            "name": "Z",
            "position": 2,
            "stddev": 8.877607498,
            "variance": 78.8119149
          },
          {
            "average": 27.09992063,
            "count": 1780163,
            "maximum": 861,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.70253175,
            "variance": 882.2403925
          },
          {
            "average": 1.202666834,
            "count": 1780163,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5689480831,
            "variance": 0.3237019212
          },
          {
            "average": 1.405266259,
            "count": 1780163,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8644858319,
            "variance": 0.7473357536
          },
          {
            "average": 1,
            "count": 1780163,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1780163,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.322522713,
            "count": 1780163,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4674419058,
            "variance": 0.2185019353
          },
          {
            "average": 20.22372887,
            "count": 1780163,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.269889068,
            "variance": 5.152396383
          },
          {
            "average": 92.17936616,
            "count": 1780163,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.24833744,
            "variance": 4127.848864
          },
          {
            "average": 9.471774776,
            "count": 1780163,
            "maximum": 10,
            "minimum": 8,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6792311499,
            "variance": 0.461354955
          },
          {
            "average": 63849659.65,
            "count": 1780163,
            "maximum": 63850050.52,
            "minimum": 63848584.57,
            "name": "GpsTime",
            "position": 12,
            "stddev": 491.0271288,
            "variance": 241107.6412
          },
          {
            "average": 0,
            "count": 1780163,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1780163,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1780163,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1780163,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1780163,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          609318.1351,
          2394998.49,
          1.13563626,
          609999.7551,
          2395998.49,
          41.41563626
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                609318.1351331167,
                2394998.49047361,
                1.135636260290816
              ],
              [
                609318.1351331167,
                2395998.49047361,
                1.135636260290816
              ],
              [
                609999.7551331169,
                2395998.49047361,
                41.41563626029082
              ],
              [
                609999.7551331169,
                2394998.49047361,
                41.41563626029082
              ],
              [
                609318.1351331167,
                2394998.49047361,
                1.135636260290816
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:54:10+00:00",
        "end_time": "2013-09-22T01:29:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0995.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0995.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0995.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0995.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.943511,
            21.65482659,
            1.13563626,
            -157.9368583,
            21.66390202,
            41.41563626
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.94351101614916,
                  21.65486862480745,
                  1.135636260290816
                ],
                [
                  -157.94344524297503,
                  21.663902022467486,
                  1.135636260290816
                ],
                [
                  -157.93685828437685,
                  21.663859969154828,
                  41.41563626029082
                ],
                [
                  -157.93692446781708,
                  21.654826590697898,
                  41.41563626029082
                ],
                [
                  -157.94351101614916,
                  21.65486862480745,
                  1.135636260290816
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0995.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0995.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:54:10Z",
            "pc:count": 1780163,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609784.0692,
                "count": 1780163,
                "maximum": 609999.7551,
                "minimum": 609318.1351,
                "name": "X",
                "position": 0,
                "stddev": 156.871419,
                "variance": 24608.64209
              },
              {
                "average": 2395673.801,
                "count": 1780163,
                "maximum": 2395998.49,
                "minimum": 2394998.49,
                "name": "Y",
                "position": 1,
                "stddev": 241.6018799,
                "variance": 58371.46836
              },
              {
                "average": 13.57766741,
                "count": 1780163,
                "maximum": 41.41563626,
                "minimum": 1.13563626,
                "name": "Z",
                "position": 2,
                "stddev": 8.877607498,
                "variance": 78.8119149
              },
              {
                "average": 27.09992063,
                "count": 1780163,
                "maximum": 861,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.70253175,
                "variance": 882.2403925
              },
              {
                "average": 1.202666834,
                "count": 1780163,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5689480831,
                "variance": 0.3237019212
              },
              {
                "average": 1.405266259,
                "count": 1780163,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8644858319,
                "variance": 0.7473357536
              },
              {
                "average": 1,
                "count": 1780163,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1780163,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.322522713,
                "count": 1780163,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4674419058,
                "variance": 0.2185019353
              },
              {
                "average": 20.22372887,
                "count": 1780163,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.269889068,
                "variance": 5.152396383
              },
              {
                "average": 92.17936616,
                "count": 1780163,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.24833744,
                "variance": 4127.848864
              },
              {
                "average": 9.471774776,
                "count": 1780163,
                "maximum": 10,
                "minimum": 8,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6792311499,
                "variance": 0.461354955
              },
              {
                "average": 63849659.65,
                "count": 1780163,
                "maximum": 63850050.52,
                "minimum": 63848584.57,
                "name": "GpsTime",
                "position": 12,
                "stddev": 491.0271288,
                "variance": 241107.6412
              },
              {
                "average": 0,
                "count": 1780163,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1780163,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1780163,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1780163,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1780163,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              609318.1351,
              2394998.49,
              1.13563626,
              609999.7551,
              2395998.49,
              41.41563626
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    609318.1351331167,
                    2394998.49047361,
                    1.135636260290816
                  ],
                  [
                    609318.1351331167,
                    2395998.49047361,
                    1.135636260290816
                  ],
                  [
                    609999.7551331169,
                    2395998.49047361,
                    41.41563626029082
                  ],
                  [
                    609999.7551331169,
                    2394998.49047361,
                    41.41563626029082
                  ],
                  [
                    609318.1351331167,
                    2394998.49047361,
                    1.135636260290816
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:54:10+00:00",
            "end_time": "2013-09-22T01:29:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1289.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.91509698603033,
              21.600482664086037,
              -3.70025769442212
            ],
            [
              -157.91502963195623,
              21.609516036514655,
              -3.70025769442212
            ],
            [
              -157.90827460073973,
              21.60947184109937,
              107.91974230557788
            ],
            [
              -157.90834237362782,
              21.600438489144132,
              107.91974230557788
            ],
            [
              -157.91509698603033,
              21.600482664086037,
              -3.70025769442212
            ]
          ]
        ]
      },
      "bbox": [
        -157.915097,
        21.60043849,
        -3.700257694,
        -157.9082746,
        21.60951604,
        107.9197423
      ],
      "properties": {
        "datetime": "2013-09-22T02:26:14Z",
        "pc:count": 2243226,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612768.4845,
            "count": 2243226,
            "maximum": 612999.7772,
            "minimum": 612300.4972,
            "name": "X",
            "position": 0,
            "stddev": 163.2016057,
            "variance": 26634.76409
          },
          {
            "average": 2389632.74,
            "count": 2243226,
            "maximum": 2389998.487,
            "minimum": 2388998.487,
            "name": "Y",
            "position": 1,
            "stddev": 252.3200056,
            "variance": 63665.38522
          },
          {
            "average": 16.90387729,
            "count": 2243226,
            "maximum": 107.9197423,
            "minimum": -3.700257694,
            "name": "Z",
            "position": 2,
            "stddev": 16.82176326,
            "variance": 282.971719
          },
          {
            "average": 19.75677573,
            "count": 2243226,
            "maximum": 921,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 31.28100997,
            "variance": 978.5015851
          },
          {
            "average": 1.357737027,
            "count": 2243226,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7167547147,
            "variance": 0.513737321
          },
          {
            "average": 1.71557391,
            "count": 2243226,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.042436733,
            "variance": 1.086674343
          },
          {
            "average": 1,
            "count": 2243226,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2243226,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.402419997,
            "count": 2243226,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.492329489,
            "variance": 6.211706281
          },
          {
            "average": 20.18103903,
            "count": 2243226,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.118336996,
            "variance": 4.487351628
          },
          {
            "average": 91.88394794,
            "count": 2243226,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.94967948,
            "variance": 4349.360223
          },
          {
            "average": 13.41441166,
            "count": 2243226,
            "maximum": 14,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7223755334,
            "variance": 0.5218264112
          },
          {
            "average": 63851707.59,
            "count": 2243226,
            "maximum": 63851974.13,
            "minimum": 63850616.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 318.386723,
            "variance": 101370.1054
          },
          {
            "average": 0,
            "count": 2243226,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2243226,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2243226,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2243226,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2243226,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612300.4972,
          2388998.487,
          -3.700257694,
          612999.7772,
          2389998.487,
          107.9197423
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612300.4971532683,
                2388998.4867414716,
                -3.70025769442212
              ],
              [
                612300.4971532683,
                2389998.4867414716,
                -3.70025769442212
              ],
              [
                612999.7771532683,
                2389998.4867414716,
                107.91974230557788
              ],
              [
                612999.7771532683,
                2388998.4867414716,
                107.91974230557788
              ],
              [
                612300.4971532683,
                2388998.4867414716,
                -3.70025769442212
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:26:14+00:00",
        "end_time": "2013-09-22T02:03:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1289.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1289.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1289.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1289.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.915097,
            21.60043849,
            -3.700257694,
            -157.9082746,
            21.60951604,
            107.9197423
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.91509698603033,
                  21.600482664086037,
                  -3.70025769442212
                ],
                [
                  -157.91502963195623,
                  21.609516036514655,
                  -3.70025769442212
                ],
                [
                  -157.90827460073973,
                  21.60947184109937,
                  107.91974230557788
                ],
                [
                  -157.90834237362782,
                  21.600438489144132,
                  107.91974230557788
                ],
                [
                  -157.91509698603033,
                  21.600482664086037,
                  -3.70025769442212
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1289.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1289.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:26:14Z",
            "pc:count": 2243226,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612768.4845,
                "count": 2243226,
                "maximum": 612999.7772,
                "minimum": 612300.4972,
                "name": "X",
                "position": 0,
                "stddev": 163.2016057,
                "variance": 26634.76409
              },
              {
                "average": 2389632.74,
                "count": 2243226,
                "maximum": 2389998.487,
                "minimum": 2388998.487,
                "name": "Y",
                "position": 1,
                "stddev": 252.3200056,
                "variance": 63665.38522
              },
              {
                "average": 16.90387729,
                "count": 2243226,
                "maximum": 107.9197423,
                "minimum": -3.700257694,
                "name": "Z",
                "position": 2,
                "stddev": 16.82176326,
                "variance": 282.971719
              },
              {
                "average": 19.75677573,
                "count": 2243226,
                "maximum": 921,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 31.28100997,
                "variance": 978.5015851
              },
              {
                "average": 1.357737027,
                "count": 2243226,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7167547147,
                "variance": 0.513737321
              },
              {
                "average": 1.71557391,
                "count": 2243226,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.042436733,
                "variance": 1.086674343
              },
              {
                "average": 1,
                "count": 2243226,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2243226,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.402419997,
                "count": 2243226,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.492329489,
                "variance": 6.211706281
              },
              {
                "average": 20.18103903,
                "count": 2243226,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.118336996,
                "variance": 4.487351628
              },
              {
                "average": 91.88394794,
                "count": 2243226,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.94967948,
                "variance": 4349.360223
              },
              {
                "average": 13.41441166,
                "count": 2243226,
                "maximum": 14,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7223755334,
                "variance": 0.5218264112
              },
              {
                "average": 63851707.59,
                "count": 2243226,
                "maximum": 63851974.13,
                "minimum": 63850616.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 318.386723,
                "variance": 101370.1054
              },
              {
                "average": 0,
                "count": 2243226,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2243226,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2243226,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2243226,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2243226,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612300.4972,
              2388998.487,
              -3.700257694,
              612999.7772,
              2389998.487,
              107.9197423
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612300.4971532683,
                    2388998.4867414716,
                    -3.70025769442212
                  ],
                  [
                    612300.4971532683,
                    2389998.4867414716,
                    -3.70025769442212
                  ],
                  [
                    612999.7771532683,
                    2389998.4867414716,
                    107.91974230557788
                  ],
                  [
                    612999.7771532683,
                    2388998.4867414716,
                    107.91974230557788
                  ],
                  [
                    612300.4971532683,
                    2388998.4867414716,
                    -3.70025769442212
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:26:14+00:00",
            "end_time": "2013-09-22T02:03:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1157.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92977372613663,
              21.31148929108632,
              -0.865304532432832
            ],
            [
              -157.9297082466872,
              21.32052319898992,
              -0.865304532432832
            ],
            [
              -157.92006701350445,
              21.320461554698007,
              27.654695467567166
            ],
            [
              -157.92013307792692,
              21.311427675940745,
              27.654695467567166
            ],
            [
              -157.92977372613663,
              21.31148929108632,
              -0.865304532432832
            ]
          ]
        ]
      },
      "bbox": [
        -157.9297737,
        21.31142768,
        -0.8653045324,
        -157.920067,
        21.3205232,
        27.65469547
      ],
      "properties": {
        "datetime": "2013-09-16T10:45:47Z",
        "pc:count": 5557216,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611452.8791,
            "count": 5557216,
            "maximum": 611999.7602,
            "minimum": 610999.7402,
            "name": "X",
            "position": 0,
            "stddev": 288.3578992,
            "variance": 83150.27806
          },
          {
            "average": 2357496.644,
            "count": 5557216,
            "maximum": 2357998.454,
            "minimum": 2356998.434,
            "name": "Y",
            "position": 1,
            "stddev": 274.6065817,
            "variance": 75408.77474
          },
          {
            "average": 3.790177104,
            "count": 5557216,
            "maximum": 27.65469547,
            "minimum": -0.8653045324,
            "name": "Z",
            "position": 2,
            "stddev": 2.750543844,
            "variance": 7.565491439
          },
          {
            "average": 36.72321878,
            "count": 5557216,
            "maximum": 1028,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 51.23421281,
            "variance": 2624.944562
          },
          {
            "average": 1.2591661,
            "count": 5557216,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6889805994,
            "variance": 0.4746942663
          },
          {
            "average": 1.492801252,
            "count": 5557216,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.047909383,
            "variance": 1.098114076
          },
          {
            "average": 1,
            "count": 5557216,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5557216,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.448566332,
            "count": 5557216,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.515021856,
            "variance": 2.295291224
          },
          {
            "average": 0,
            "count": 5557216,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.0910832,
            "count": 5557216,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.11161439,
            "variance": 4110.2991
          },
          {
            "average": 3.581054614,
            "count": 5557216,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.529878933,
            "variance": 2.34052955
          },
          {
            "average": 63352988.59,
            "count": 5557216,
            "maximum": 63363547.76,
            "minimum": 63277195.25,
            "name": "GpsTime",
            "position": 12,
            "stddev": 21509.48386,
            "variance": 462657895.8
          },
          {
            "average": 0,
            "count": 5557216,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5557216,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5557216,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5557216,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5557216,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7402,
          2356998.434,
          -0.8653045324,
          611999.7602,
          2357998.454,
          27.65469547
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7401660286,
                2356998.434205966,
                -0.865304532432832
              ],
              [
                610999.7401660286,
                2357998.4542059656,
                -0.865304532432832
              ],
              [
                611999.7601660286,
                2357998.4542059656,
                27.654695467567166
              ],
              [
                611999.7601660286,
                2356998.434205966,
                27.654695467567166
              ],
              [
                610999.7401660286,
                2356998.434205966,
                -0.865304532432832
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:45:47+00:00",
        "end_time": "2013-09-15T10:46:35+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1157.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1157.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1157.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1157.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9297737,
            21.31142768,
            -0.8653045324,
            -157.920067,
            21.3205232,
            27.65469547
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92977372613663,
                  21.31148929108632,
                  -0.865304532432832
                ],
                [
                  -157.9297082466872,
                  21.32052319898992,
                  -0.865304532432832
                ],
                [
                  -157.92006701350445,
                  21.320461554698007,
                  27.654695467567166
                ],
                [
                  -157.92013307792692,
                  21.311427675940745,
                  27.654695467567166
                ],
                [
                  -157.92977372613663,
                  21.31148929108632,
                  -0.865304532432832
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1157.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1157.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:45:47Z",
            "pc:count": 5557216,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611452.8791,
                "count": 5557216,
                "maximum": 611999.7602,
                "minimum": 610999.7402,
                "name": "X",
                "position": 0,
                "stddev": 288.3578992,
                "variance": 83150.27806
              },
              {
                "average": 2357496.644,
                "count": 5557216,
                "maximum": 2357998.454,
                "minimum": 2356998.434,
                "name": "Y",
                "position": 1,
                "stddev": 274.6065817,
                "variance": 75408.77474
              },
              {
                "average": 3.790177104,
                "count": 5557216,
                "maximum": 27.65469547,
                "minimum": -0.8653045324,
                "name": "Z",
                "position": 2,
                "stddev": 2.750543844,
                "variance": 7.565491439
              },
              {
                "average": 36.72321878,
                "count": 5557216,
                "maximum": 1028,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 51.23421281,
                "variance": 2624.944562
              },
              {
                "average": 1.2591661,
                "count": 5557216,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6889805994,
                "variance": 0.4746942663
              },
              {
                "average": 1.492801252,
                "count": 5557216,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.047909383,
                "variance": 1.098114076
              },
              {
                "average": 1,
                "count": 5557216,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5557216,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.448566332,
                "count": 5557216,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.515021856,
                "variance": 2.295291224
              },
              {
                "average": 0,
                "count": 5557216,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.0910832,
                "count": 5557216,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.11161439,
                "variance": 4110.2991
              },
              {
                "average": 3.581054614,
                "count": 5557216,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.529878933,
                "variance": 2.34052955
              },
              {
                "average": 63352988.59,
                "count": 5557216,
                "maximum": 63363547.76,
                "minimum": 63277195.25,
                "name": "GpsTime",
                "position": 12,
                "stddev": 21509.48386,
                "variance": 462657895.8
              },
              {
                "average": 0,
                "count": 5557216,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5557216,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5557216,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5557216,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5557216,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7402,
              2356998.434,
              -0.8653045324,
              611999.7602,
              2357998.454,
              27.65469547
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7401660286,
                    2356998.434205966,
                    -0.865304532432832
                  ],
                  [
                    610999.7401660286,
                    2357998.4542059656,
                    -0.865304532432832
                  ],
                  [
                    611999.7601660286,
                    2357998.4542059656,
                    27.654695467567166
                  ],
                  [
                    611999.7601660286,
                    2356998.434205966,
                    27.654695467567166
                  ],
                  [
                    610999.7401660286,
                    2356998.434205966,
                    -0.865304532432832
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:45:47+00:00",
            "end_time": "2013-09-15T10:46:35+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1456.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90091962967642,
              21.30226915694057,
              -14.013258325235071
            ],
            [
              -157.90085242520874,
              21.311302988143314,
              -14.013258325235071
            ],
            [
              -157.89121191236563,
              21.311239728659054,
              11.92674167476493
            ],
            [
              -157.8912797058462,
              21.302205926701113,
              11.92674167476493
            ],
            [
              -157.90091962967642,
              21.30226915694057,
              -14.013258325235071
            ]
          ]
        ]
      },
      "bbox": [
        -157.9009196,
        21.30220593,
        -14.01325833,
        -157.8912119,
        21.31130299,
        11.92674167
      ],
      "properties": {
        "datetime": "2013-09-17T12:48:30Z",
        "pc:count": 4723515,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614505.3189,
            "count": 4723515,
            "maximum": 614999.7699,
            "minimum": 613999.7499,
            "name": "X",
            "position": 0,
            "stddev": 299.8610676,
            "variance": 89916.65989
          },
          {
            "average": 2356365.914,
            "count": 4723515,
            "maximum": 2356998.454,
            "minimum": 2355998.434,
            "name": "Y",
            "position": 1,
            "stddev": 287.6685639,
            "variance": 82753.20266
          },
          {
            "average": -0.6825431671,
            "count": 4723515,
            "maximum": 11.92674167,
            "minimum": -14.01325833,
            "name": "Z",
            "position": 2,
            "stddev": 2.018128149,
            "variance": 4.072841224
          },
          {
            "average": 3.987888045,
            "count": 4723515,
            "maximum": 1838,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 12.95288314,
            "variance": 167.7771816
          },
          {
            "average": 1.019070967,
            "count": 4723515,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1637651578,
            "variance": 0.02681902692
          },
          {
            "average": 1.0394922,
            "count": 4723515,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.260954795,
            "variance": 0.06809740502
          },
          {
            "average": 1,
            "count": 4723515,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4723515,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.93437853,
            "count": 4723515,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.288934961,
            "variance": 53.12857286
          },
          {
            "average": 5.745414536,
            "count": 4723515,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.343089621,
            "variance": 87.29332366
          },
          {
            "average": 90.77648361,
            "count": 4723515,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 72.39752046,
            "variance": 5241.400968
          },
          {
            "average": 9.707503628,
            "count": 4723515,
            "maximum": 16,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.544550619,
            "variance": 20.65294033
          },
          {
            "average": 63367706.63,
            "count": 4723515,
            "maximum": 63457310.99,
            "minimum": 63280446.86,
            "name": "GpsTime",
            "position": 12,
            "stddev": 56456.92866,
            "variance": 3187384793
          },
          {
            "average": 0,
            "count": 4723515,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4723515,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4723515,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4723515,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4723515,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.7499,
          2355998.434,
          -14.01325833,
          614999.7699,
          2356998.454,
          11.92674167
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.749926121,
                2355998.4335483024,
                -14.013258325235071
              ],
              [
                613999.749926121,
                2356998.453548302,
                -14.013258325235071
              ],
              [
                614999.769926121,
                2356998.453548302,
                11.92674167476493
              ],
              [
                614999.769926121,
                2355998.4335483024,
                11.92674167476493
              ],
              [
                613999.749926121,
                2355998.4335483024,
                -14.013258325235071
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:48:30+00:00",
        "end_time": "2013-09-15T11:40:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1456.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1456.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1456.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1456.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9009196,
            21.30220593,
            -14.01325833,
            -157.8912119,
            21.31130299,
            11.92674167
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90091962967642,
                  21.30226915694057,
                  -14.013258325235071
                ],
                [
                  -157.90085242520874,
                  21.311302988143314,
                  -14.013258325235071
                ],
                [
                  -157.89121191236563,
                  21.311239728659054,
                  11.92674167476493
                ],
                [
                  -157.8912797058462,
                  21.302205926701113,
                  11.92674167476493
                ],
                [
                  -157.90091962967642,
                  21.30226915694057,
                  -14.013258325235071
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1456.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1456.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:48:30Z",
            "pc:count": 4723515,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614505.3189,
                "count": 4723515,
                "maximum": 614999.7699,
                "minimum": 613999.7499,
                "name": "X",
                "position": 0,
                "stddev": 299.8610676,
                "variance": 89916.65989
              },
              {
                "average": 2356365.914,
                "count": 4723515,
                "maximum": 2356998.454,
                "minimum": 2355998.434,
                "name": "Y",
                "position": 1,
                "stddev": 287.6685639,
                "variance": 82753.20266
              },
              {
                "average": -0.6825431671,
                "count": 4723515,
                "maximum": 11.92674167,
                "minimum": -14.01325833,
                "name": "Z",
                "position": 2,
                "stddev": 2.018128149,
                "variance": 4.072841224
              },
              {
                "average": 3.987888045,
                "count": 4723515,
                "maximum": 1838,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 12.95288314,
                "variance": 167.7771816
              },
              {
                "average": 1.019070967,
                "count": 4723515,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1637651578,
                "variance": 0.02681902692
              },
              {
                "average": 1.0394922,
                "count": 4723515,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.260954795,
                "variance": 0.06809740502
              },
              {
                "average": 1,
                "count": 4723515,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4723515,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.93437853,
                "count": 4723515,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.288934961,
                "variance": 53.12857286
              },
              {
                "average": 5.745414536,
                "count": 4723515,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.343089621,
                "variance": 87.29332366
              },
              {
                "average": 90.77648361,
                "count": 4723515,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 72.39752046,
                "variance": 5241.400968
              },
              {
                "average": 9.707503628,
                "count": 4723515,
                "maximum": 16,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.544550619,
                "variance": 20.65294033
              },
              {
                "average": 63367706.63,
                "count": 4723515,
                "maximum": 63457310.99,
                "minimum": 63280446.86,
                "name": "GpsTime",
                "position": 12,
                "stddev": 56456.92866,
                "variance": 3187384793
              },
              {
                "average": 0,
                "count": 4723515,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4723515,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4723515,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4723515,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4723515,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.7499,
              2355998.434,
              -14.01325833,
              614999.7699,
              2356998.454,
              11.92674167
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.749926121,
                    2355998.4335483024,
                    -14.013258325235071
                  ],
                  [
                    613999.749926121,
                    2356998.453548302,
                    -14.013258325235071
                  ],
                  [
                    614999.769926121,
                    2356998.453548302,
                    11.92674167476493
                  ],
                  [
                    614999.769926121,
                    2355998.4335483024,
                    11.92674167476493
                  ],
                  [
                    613999.749926121,
                    2355998.4335483024,
                    -14.013258325235071
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:48:30+00:00",
            "end_time": "2013-09-15T11:40:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1685.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8796421917477,
              21.56411270453237,
              -8.437645934566689
            ],
            [
              -157.8795727612835,
              21.57314600888845,
              -8.437645934566689
            ],
            [
              -157.86991530879993,
              21.57308077166507,
              224.48235406543333
            ],
            [
              -157.86998533742317,
              21.564047497489693,
              224.48235406543333
            ],
            [
              -157.8796421917477,
              21.56411270453237,
              -8.437645934566689
            ]
          ]
        ]
      },
      "bbox": [
        -157.8796422,
        21.5640475,
        -8.437645935,
        -157.8699153,
        21.57314601,
        224.4823541
      ],
      "properties": {
        "datetime": "2013-09-23T22:52:51Z",
        "pc:count": 7105202,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616493.6629,
            "count": 7105202,
            "maximum": 616999.7948,
            "minimum": 615999.7948,
            "name": "X",
            "position": 0,
            "stddev": 258.7284818,
            "variance": 66940.4273
          },
          {
            "average": 2385505.192,
            "count": 7105202,
            "maximum": 2385998.487,
            "minimum": 2384998.487,
            "name": "Y",
            "position": 1,
            "stddev": 280.8467962,
            "variance": 78874.92294
          },
          {
            "average": 18.85511689,
            "count": 7105202,
            "maximum": 224.4823541,
            "minimum": -8.437645935,
            "name": "Z",
            "position": 2,
            "stddev": 33.92952196,
            "variance": 1151.212461
          },
          {
            "average": 10.77748683,
            "count": 7105202,
            "maximum": 8302,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.331449,
            "variance": 802.6710025
          },
          {
            "average": 1.346256729,
            "count": 7105202,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7535500547,
            "variance": 0.5678376849
          },
          {
            "average": 1.690087488,
            "count": 7105202,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.134554553,
            "variance": 1.287214033
          },
          {
            "average": 1,
            "count": 7105202,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7105202,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.58976859,
            "count": 7105202,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.85862617,
            "variance": 192.0615194
          },
          {
            "average": 20.12744375,
            "count": 7105202,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.841964647,
            "variance": 8.076763054
          },
          {
            "average": 90.32169669,
            "count": 7105202,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.60616437,
            "variance": 4845.018119
          },
          {
            "average": 6.462148015,
            "count": 7105202,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.656614279,
            "variance": 13.37082798
          },
          {
            "average": 63907227.21,
            "count": 7105202,
            "maximum": 64011971.93,
            "minimum": 63847023.96,
            "name": "GpsTime",
            "position": 12,
            "stddev": 77265.38755,
            "variance": 5969940113
          },
          {
            "average": 0,
            "count": 7105202,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7105202,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7105202,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7105202,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7105202,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7948,
          2384998.487,
          -8.437645935,
          616999.7948,
          2385998.487,
          224.4823541
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.7947626449,
                2384998.4865912963,
                -8.437645934566689
              ],
              [
                615999.7947626449,
                2385998.4865912963,
                -8.437645934566689
              ],
              [
                616999.7947626449,
                2385998.4865912963,
                224.48235406543333
              ],
              [
                616999.7947626449,
                2384998.4865912963,
                224.48235406543333
              ],
              [
                615999.7947626449,
                2384998.4865912963,
                -8.437645934566689
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T22:52:51+00:00",
        "end_time": "2013-09-22T01:03:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1685.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1685.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1685.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1685.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8796422,
            21.5640475,
            -8.437645935,
            -157.8699153,
            21.57314601,
            224.4823541
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8796421917477,
                  21.56411270453237,
                  -8.437645934566689
                ],
                [
                  -157.8795727612835,
                  21.57314600888845,
                  -8.437645934566689
                ],
                [
                  -157.86991530879993,
                  21.57308077166507,
                  224.48235406543333
                ],
                [
                  -157.86998533742317,
                  21.564047497489693,
                  224.48235406543333
                ],
                [
                  -157.8796421917477,
                  21.56411270453237,
                  -8.437645934566689
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1685.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1685.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T22:52:51Z",
            "pc:count": 7105202,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616493.6629,
                "count": 7105202,
                "maximum": 616999.7948,
                "minimum": 615999.7948,
                "name": "X",
                "position": 0,
                "stddev": 258.7284818,
                "variance": 66940.4273
              },
              {
                "average": 2385505.192,
                "count": 7105202,
                "maximum": 2385998.487,
                "minimum": 2384998.487,
                "name": "Y",
                "position": 1,
                "stddev": 280.8467962,
                "variance": 78874.92294
              },
              {
                "average": 18.85511689,
                "count": 7105202,
                "maximum": 224.4823541,
                "minimum": -8.437645935,
                "name": "Z",
                "position": 2,
                "stddev": 33.92952196,
                "variance": 1151.212461
              },
              {
                "average": 10.77748683,
                "count": 7105202,
                "maximum": 8302,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.331449,
                "variance": 802.6710025
              },
              {
                "average": 1.346256729,
                "count": 7105202,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7535500547,
                "variance": 0.5678376849
              },
              {
                "average": 1.690087488,
                "count": 7105202,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.134554553,
                "variance": 1.287214033
              },
              {
                "average": 1,
                "count": 7105202,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7105202,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.58976859,
                "count": 7105202,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.85862617,
                "variance": 192.0615194
              },
              {
                "average": 20.12744375,
                "count": 7105202,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.841964647,
                "variance": 8.076763054
              },
              {
                "average": 90.32169669,
                "count": 7105202,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.60616437,
                "variance": 4845.018119
              },
              {
                "average": 6.462148015,
                "count": 7105202,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.656614279,
                "variance": 13.37082798
              },
              {
                "average": 63907227.21,
                "count": 7105202,
                "maximum": 64011971.93,
                "minimum": 63847023.96,
                "name": "GpsTime",
                "position": 12,
                "stddev": 77265.38755,
                "variance": 5969940113
              },
              {
                "average": 0,
                "count": 7105202,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7105202,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7105202,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7105202,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7105202,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7948,
              2384998.487,
              -8.437645935,
              616999.7948,
              2385998.487,
              224.4823541
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.7947626449,
                    2384998.4865912963,
                    -8.437645934566689
                  ],
                  [
                    615999.7947626449,
                    2385998.4865912963,
                    -8.437645934566689
                  ],
                  [
                    616999.7947626449,
                    2385998.4865912963,
                    224.48235406543333
                  ],
                  [
                    616999.7947626449,
                    2384998.4865912963,
                    224.48235406543333
                  ],
                  [
                    615999.7947626449,
                    2384998.4865912963,
                    -8.437645934566689
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T22:52:51+00:00",
            "end_time": "2013-09-22T01:03:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1954.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85286134769248,
              21.2838804560698,
              -10.090097447539208
            ],
            [
              -157.8527912682508,
              21.29291416273925,
              -10.090097447539208
            ],
            [
              -157.8431521249611,
              21.292848199249875,
              132.40990255246078
            ],
            [
              -157.84322279332608,
              21.283814523223775,
              132.40990255246078
            ],
            [
              -157.85286134769248,
              21.2838804560698,
              -10.090097447539208
            ]
          ]
        ]
      },
      "bbox": [
        -157.8528613,
        21.28381452,
        -10.09009745,
        -157.8431521,
        21.29291416,
        132.4099026
      ],
      "properties": {
        "datetime": "2013-09-17T12:44:12Z",
        "pc:count": 5767493,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619489.7118,
            "count": 5767493,
            "maximum": 619999.79,
            "minimum": 618999.77,
            "name": "X",
            "position": 0,
            "stddev": 279.2747652,
            "variance": 77994.39448
          },
          {
            "average": 2354593.968,
            "count": 5767493,
            "maximum": 2354998.453,
            "minimum": 2353998.433,
            "name": "Y",
            "position": 1,
            "stddev": 278.3955785,
            "variance": 77504.09812
          },
          {
            "average": 5.899203892,
            "count": 5767493,
            "maximum": 132.4099026,
            "minimum": -10.09009745,
            "name": "Z",
            "position": 2,
            "stddev": 10.52871841,
            "variance": 110.8539114
          },
          {
            "average": 21.28236202,
            "count": 5767493,
            "maximum": 1488,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.15479858,
            "variance": 1533.098252
          },
          {
            "average": 1.341000847,
            "count": 5767493,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7261867596,
            "variance": 0.5273472098
          },
          {
            "average": 1.679860556,
            "count": 5767493,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.099118736,
            "variance": 1.208061995
          },
          {
            "average": 1,
            "count": 5767493,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5767493,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.236337001,
            "count": 5767493,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.6917173,
            "variance": 114.3128188
          },
          {
            "average": 19.99620542,
            "count": 5767493,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.184363401,
            "variance": 10.14017027
          },
          {
            "average": 91.83958541,
            "count": 5767493,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.99334601,
            "variance": 4488.10841
          },
          {
            "average": 6.969537024,
            "count": 5767493,
            "maximum": 11,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.523237112,
            "variance": 2.320251299
          },
          {
            "average": 63304681.63,
            "count": 5767493,
            "maximum": 63457052.77,
            "minimum": 63278269.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 62197.03517,
            "variance": 3868471184
          },
          {
            "average": 0,
            "count": 5767493,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5767493,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5767493,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5767493,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5767493,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.77,
          2353998.433,
          -10.09009745,
          619999.79,
          2354998.453,
          132.4099026
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.7700281825,
                2353998.4325795793,
                -10.090097447539208
              ],
              [
                618999.7700281825,
                2354998.452579579,
                -10.090097447539208
              ],
              [
                619999.7900281826,
                2354998.452579579,
                132.40990255246078
              ],
              [
                619999.7900281826,
                2353998.4325795793,
                132.40990255246078
              ],
              [
                618999.7700281825,
                2353998.4325795793,
                -10.090097447539208
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:44:12+00:00",
        "end_time": "2013-09-15T11:04:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1954.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1954.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1954.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1954.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8528613,
            21.28381452,
            -10.09009745,
            -157.8431521,
            21.29291416,
            132.4099026
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85286134769248,
                  21.2838804560698,
                  -10.090097447539208
                ],
                [
                  -157.8527912682508,
                  21.29291416273925,
                  -10.090097447539208
                ],
                [
                  -157.8431521249611,
                  21.292848199249875,
                  132.40990255246078
                ],
                [
                  -157.84322279332608,
                  21.283814523223775,
                  132.40990255246078
                ],
                [
                  -157.85286134769248,
                  21.2838804560698,
                  -10.090097447539208
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1954.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1954.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:44:12Z",
            "pc:count": 5767493,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619489.7118,
                "count": 5767493,
                "maximum": 619999.79,
                "minimum": 618999.77,
                "name": "X",
                "position": 0,
                "stddev": 279.2747652,
                "variance": 77994.39448
              },
              {
                "average": 2354593.968,
                "count": 5767493,
                "maximum": 2354998.453,
                "minimum": 2353998.433,
                "name": "Y",
                "position": 1,
                "stddev": 278.3955785,
                "variance": 77504.09812
              },
              {
                "average": 5.899203892,
                "count": 5767493,
                "maximum": 132.4099026,
                "minimum": -10.09009745,
                "name": "Z",
                "position": 2,
                "stddev": 10.52871841,
                "variance": 110.8539114
              },
              {
                "average": 21.28236202,
                "count": 5767493,
                "maximum": 1488,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.15479858,
                "variance": 1533.098252
              },
              {
                "average": 1.341000847,
                "count": 5767493,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7261867596,
                "variance": 0.5273472098
              },
              {
                "average": 1.679860556,
                "count": 5767493,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.099118736,
                "variance": 1.208061995
              },
              {
                "average": 1,
                "count": 5767493,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5767493,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.236337001,
                "count": 5767493,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.6917173,
                "variance": 114.3128188
              },
              {
                "average": 19.99620542,
                "count": 5767493,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.184363401,
                "variance": 10.14017027
              },
              {
                "average": 91.83958541,
                "count": 5767493,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.99334601,
                "variance": 4488.10841
              },
              {
                "average": 6.969537024,
                "count": 5767493,
                "maximum": 11,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.523237112,
                "variance": 2.320251299
              },
              {
                "average": 63304681.63,
                "count": 5767493,
                "maximum": 63457052.77,
                "minimum": 63278269.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 62197.03517,
                "variance": 3868471184
              },
              {
                "average": 0,
                "count": 5767493,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5767493,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5767493,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5767493,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5767493,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.77,
              2353998.433,
              -10.09009745,
              619999.79,
              2354998.453,
              132.4099026
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.7700281825,
                    2353998.4325795793,
                    -10.090097447539208
                  ],
                  [
                    618999.7700281825,
                    2354998.452579579,
                    -10.090097447539208
                  ],
                  [
                    619999.7900281826,
                    2354998.452579579,
                    132.40990255246078
                  ],
                  [
                    619999.7900281826,
                    2353998.4325795793,
                    132.40990255246078
                  ],
                  [
                    618999.7700281825,
                    2353998.4325795793,
                    -10.090097447539208
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:44:12+00:00",
            "end_time": "2013-09-15T11:04:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1559.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89107629702855,
              21.32930684453398,
              -0.44567466134389
            ],
            [
              -157.89103143469524,
              21.33527606106916,
              -0.44567466134389
            ],
            [
              -157.88138958770804,
              21.33521217113837,
              48.27432533865611
            ],
            [
              -157.8814348392337,
              21.32924297436756,
              48.27432533865611
            ],
            [
              -157.89107629702855,
              21.32930684453398,
              -0.44567466134389
            ]
          ]
        ]
      },
      "bbox": [
        -157.8910763,
        21.32924297,
        -0.4456746613,
        -157.8813896,
        21.33527606,
        48.27432534
      ],
      "properties": {
        "datetime": "2013-09-15T10:16:06Z",
        "pc:count": 2282640,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615408.1379,
            "count": 2282640,
            "maximum": 615999.7613,
            "minimum": 614999.7613,
            "name": "X",
            "position": 0,
            "stddev": 254.7963678,
            "variance": 64921.18902
          },
          {
            "average": 2359278.133,
            "count": 2282640,
            "maximum": 2359659.223,
            "minimum": 2358998.443,
            "name": "Y",
            "position": 1,
            "stddev": 174.5552792,
            "variance": 30469.54551
          },
          {
            "average": 6.724397006,
            "count": 2282640,
            "maximum": 48.27432534,
            "minimum": -0.4456746613,
            "name": "Z",
            "position": 2,
            "stddev": 4.951063925,
            "variance": 24.51303399
          },
          {
            "average": 34.21487094,
            "count": 2282640,
            "maximum": 935,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 64.19225637,
            "variance": 4120.645777
          },
          {
            "average": 1.199627624,
            "count": 2282640,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5273461335,
            "variance": 0.2780939445
          },
          {
            "average": 1.368479918,
            "count": 2282640,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7609636686,
            "variance": 0.5790657049
          },
          {
            "average": 1,
            "count": 2282640,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2282640,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.310474275,
            "count": 2282640,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.6734497119,
            "variance": 0.4535345145
          },
          {
            "average": 0,
            "count": 2282640,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.94361879,
            "count": 2282640,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.36682624,
            "variance": 4015.354668
          },
          {
            "average": 2.702073914,
            "count": 2282640,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.254074171,
            "variance": 1.572702027
          },
          {
            "average": 63274295.31,
            "count": 2282640,
            "maximum": 63275366.41,
            "minimum": 63273560.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 551.6288359,
            "variance": 304294.3726
          },
          {
            "average": 0,
            "count": 2282640,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2282640,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2282640,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2282640,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2282640,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.7613,
          2358998.443,
          -0.4456746613,
          615999.7613,
          2359659.223,
          48.27432534
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.7612624008,
                2358998.4432015563,
                -0.44567466134389
              ],
              [
                614999.7612624008,
                2359659.2232015566,
                -0.44567466134389
              ],
              [
                615999.7612624008,
                2359659.2232015566,
                48.27432533865611
              ],
              [
                615999.7612624008,
                2358998.4432015563,
                48.27432533865611
              ],
              [
                614999.7612624008,
                2358998.4432015563,
                -0.44567466134389
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:16:06+00:00",
        "end_time": "2013-09-15T09:46:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1559.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1559.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1559.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1559.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8910763,
            21.32924297,
            -0.4456746613,
            -157.8813896,
            21.33527606,
            48.27432534
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89107629702855,
                  21.32930684453398,
                  -0.44567466134389
                ],
                [
                  -157.89103143469524,
                  21.33527606106916,
                  -0.44567466134389
                ],
                [
                  -157.88138958770804,
                  21.33521217113837,
                  48.27432533865611
                ],
                [
                  -157.8814348392337,
                  21.32924297436756,
                  48.27432533865611
                ],
                [
                  -157.89107629702855,
                  21.32930684453398,
                  -0.44567466134389
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1559.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1559.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:16:06Z",
            "pc:count": 2282640,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615408.1379,
                "count": 2282640,
                "maximum": 615999.7613,
                "minimum": 614999.7613,
                "name": "X",
                "position": 0,
                "stddev": 254.7963678,
                "variance": 64921.18902
              },
              {
                "average": 2359278.133,
                "count": 2282640,
                "maximum": 2359659.223,
                "minimum": 2358998.443,
                "name": "Y",
                "position": 1,
                "stddev": 174.5552792,
                "variance": 30469.54551
              },
              {
                "average": 6.724397006,
                "count": 2282640,
                "maximum": 48.27432534,
                "minimum": -0.4456746613,
                "name": "Z",
                "position": 2,
                "stddev": 4.951063925,
                "variance": 24.51303399
              },
              {
                "average": 34.21487094,
                "count": 2282640,
                "maximum": 935,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 64.19225637,
                "variance": 4120.645777
              },
              {
                "average": 1.199627624,
                "count": 2282640,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5273461335,
                "variance": 0.2780939445
              },
              {
                "average": 1.368479918,
                "count": 2282640,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7609636686,
                "variance": 0.5790657049
              },
              {
                "average": 1,
                "count": 2282640,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2282640,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.310474275,
                "count": 2282640,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.6734497119,
                "variance": 0.4535345145
              },
              {
                "average": 0,
                "count": 2282640,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.94361879,
                "count": 2282640,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.36682624,
                "variance": 4015.354668
              },
              {
                "average": 2.702073914,
                "count": 2282640,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.254074171,
                "variance": 1.572702027
              },
              {
                "average": 63274295.31,
                "count": 2282640,
                "maximum": 63275366.41,
                "minimum": 63273560.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 551.6288359,
                "variance": 304294.3726
              },
              {
                "average": 0,
                "count": 2282640,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2282640,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2282640,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2282640,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2282640,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.7613,
              2358998.443,
              -0.4456746613,
              615999.7613,
              2359659.223,
              48.27432534
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.7612624008,
                    2358998.4432015563,
                    -0.44567466134389
                  ],
                  [
                    614999.7612624008,
                    2359659.2232015566,
                    -0.44567466134389
                  ],
                  [
                    615999.7612624008,
                    2359659.2232015566,
                    48.27432533865611
                  ],
                  [
                    615999.7612624008,
                    2358998.4432015563,
                    48.27432533865611
                  ],
                  [
                    614999.7612624008,
                    2358998.4432015563,
                    -0.44567466134389
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:16:06+00:00",
            "end_time": "2013-09-15T09:46:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1290.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.91793471641589,
              21.609534957647018,
              -12.523851425467328
            ],
            [
              -157.9178675086981,
              21.618568328433785,
              -12.523851425467328
            ],
            [
              -157.9082069240047,
              21.61850518209232,
              53.73614857453268
            ],
            [
              -157.9082747307643,
              21.609471840584813,
              53.73614857453268
            ],
            [
              -157.91793471641589,
              21.609534957647018,
              -12.523851425467328
            ]
          ]
        ]
      },
      "bbox": [
        -157.9179347,
        21.60947184,
        -12.52385143,
        -157.9082069,
        21.61856833,
        53.73614857
      ],
      "properties": {
        "datetime": "2013-09-22T02:25:58Z",
        "pc:count": 4508370,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612452.8165,
            "count": 4508370,
            "maximum": 612999.7637,
            "minimum": 611999.7637,
            "name": "X",
            "position": 0,
            "stddev": 255.083915,
            "variance": 65067.80369
          },
          {
            "average": 2390506.682,
            "count": 4508370,
            "maximum": 2390998.487,
            "minimum": 2389998.487,
            "name": "Y",
            "position": 1,
            "stddev": 289.9559275,
            "variance": 84074.43989
          },
          {
            "average": 9.241444167,
            "count": 4508370,
            "maximum": 53.73614857,
            "minimum": -12.52385143,
            "name": "Z",
            "position": 2,
            "stddev": 10.11742611,
            "variance": 102.362311
          },
          {
            "average": 19.41099799,
            "count": 4508370,
            "maximum": 1847,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.18880438,
            "variance": 1238.251954
          },
          {
            "average": 1.24350863,
            "count": 4508370,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5986554008,
            "variance": 0.3583882889
          },
          {
            "average": 1.486444103,
            "count": 4508370,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.890338002,
            "variance": 0.7927017579
          },
          {
            "average": 1,
            "count": 4508370,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4508370,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.166983633,
            "count": 4508370,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.43289633,
            "variance": 130.7111185
          },
          {
            "average": 20.06699642,
            "count": 4508370,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.220519451,
            "variance": 4.930706631
          },
          {
            "average": 93.84496636,
            "count": 4508370,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.52575858,
            "variance": 4695.77959
          },
          {
            "average": 12.47338107,
            "count": 4508370,
            "maximum": 14,
            "minimum": 8,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.22952442,
            "variance": 1.511730299
          },
          {
            "average": 63851267.63,
            "count": 4508370,
            "maximum": 63851958.91,
            "minimum": 63848669.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 570.7524595,
            "variance": 325758.37
          },
          {
            "average": 0,
            "count": 4508370,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4508370,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4508370,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4508370,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4508370,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7637,
          2389998.487,
          -12.52385143,
          612999.7637,
          2390998.487,
          53.73614857
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7636941847,
                2389998.486590052,
                -12.523851425467328
              ],
              [
                611999.7636941847,
                2390998.486590052,
                -12.523851425467328
              ],
              [
                612999.7636941847,
                2390998.486590052,
                53.73614857453268
              ],
              [
                612999.7636941847,
                2389998.486590052,
                53.73614857453268
              ],
              [
                611999.7636941847,
                2389998.486590052,
                -12.523851425467328
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:25:58+00:00",
        "end_time": "2013-09-22T01:31:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1290.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1290.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1290.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1290.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9179347,
            21.60947184,
            -12.52385143,
            -157.9082069,
            21.61856833,
            53.73614857
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.91793471641589,
                  21.609534957647018,
                  -12.523851425467328
                ],
                [
                  -157.9178675086981,
                  21.618568328433785,
                  -12.523851425467328
                ],
                [
                  -157.9082069240047,
                  21.61850518209232,
                  53.73614857453268
                ],
                [
                  -157.9082747307643,
                  21.609471840584813,
                  53.73614857453268
                ],
                [
                  -157.91793471641589,
                  21.609534957647018,
                  -12.523851425467328
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1290.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1290.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:25:58Z",
            "pc:count": 4508370,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612452.8165,
                "count": 4508370,
                "maximum": 612999.7637,
                "minimum": 611999.7637,
                "name": "X",
                "position": 0,
                "stddev": 255.083915,
                "variance": 65067.80369
              },
              {
                "average": 2390506.682,
                "count": 4508370,
                "maximum": 2390998.487,
                "minimum": 2389998.487,
                "name": "Y",
                "position": 1,
                "stddev": 289.9559275,
                "variance": 84074.43989
              },
              {
                "average": 9.241444167,
                "count": 4508370,
                "maximum": 53.73614857,
                "minimum": -12.52385143,
                "name": "Z",
                "position": 2,
                "stddev": 10.11742611,
                "variance": 102.362311
              },
              {
                "average": 19.41099799,
                "count": 4508370,
                "maximum": 1847,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.18880438,
                "variance": 1238.251954
              },
              {
                "average": 1.24350863,
                "count": 4508370,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5986554008,
                "variance": 0.3583882889
              },
              {
                "average": 1.486444103,
                "count": 4508370,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.890338002,
                "variance": 0.7927017579
              },
              {
                "average": 1,
                "count": 4508370,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4508370,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.166983633,
                "count": 4508370,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.43289633,
                "variance": 130.7111185
              },
              {
                "average": 20.06699642,
                "count": 4508370,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.220519451,
                "variance": 4.930706631
              },
              {
                "average": 93.84496636,
                "count": 4508370,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.52575858,
                "variance": 4695.77959
              },
              {
                "average": 12.47338107,
                "count": 4508370,
                "maximum": 14,
                "minimum": 8,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.22952442,
                "variance": 1.511730299
              },
              {
                "average": 63851267.63,
                "count": 4508370,
                "maximum": 63851958.91,
                "minimum": 63848669.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 570.7524595,
                "variance": 325758.37
              },
              {
                "average": 0,
                "count": 4508370,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4508370,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4508370,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4508370,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4508370,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7637,
              2389998.487,
              -12.52385143,
              612999.7637,
              2390998.487,
              53.73614857
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7636941847,
                    2389998.486590052,
                    -12.523851425467328
                  ],
                  [
                    611999.7636941847,
                    2390998.486590052,
                    -12.523851425467328
                  ],
                  [
                    612999.7636941847,
                    2390998.486590052,
                    53.73614857453268
                  ],
                  [
                    612999.7636941847,
                    2389998.486590052,
                    53.73614857453268
                  ],
                  [
                    611999.7636941847,
                    2389998.486590052,
                    -12.523851425467328
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:25:58+00:00",
            "end_time": "2013-09-22T01:31:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0996.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.94652214544615,
              21.663921487678408,
              0.087130524639107
            ],
            [
              -157.94645652889423,
              21.672955064692925,
              0.087130524639107
            ],
            [
              -157.9367920458717,
              21.67289342883754,
              44.04713052463911
            ],
            [
              -157.93685826499723,
              21.663859879862883,
              44.04713052463911
            ],
            [
              -157.94652214544615,
              21.663921487678408,
              0.087130524639107
            ]
          ]
        ]
      },
      "bbox": [
        -157.9465221,
        21.66385988,
        0.08713052464,
        -157.936792,
        21.67295506,
        44.04713052
      ],
      "properties": {
        "datetime": "2013-09-22T01:53:55Z",
        "pc:count": 5415698,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609551.9321,
            "count": 5415698,
            "maximum": 609999.7572,
            "minimum": 608999.7372,
            "name": "X",
            "position": 0,
            "stddev": 272.9166625,
            "variance": 74483.50465
          },
          {
            "average": 2396554.841,
            "count": 5415698,
            "maximum": 2396998.501,
            "minimum": 2395998.481,
            "name": "Y",
            "position": 1,
            "stddev": 284.4610438,
            "variance": 80918.08541
          },
          {
            "average": 8.237523576,
            "count": 5415698,
            "maximum": 44.04713052,
            "minimum": 0.08713052464,
            "name": "Z",
            "position": 2,
            "stddev": 7.829984366,
            "variance": 61.30865516
          },
          {
            "average": 20.38647428,
            "count": 5415698,
            "maximum": 906,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.18737438,
            "variance": 851.9028233
          },
          {
            "average": 1.387860808,
            "count": 5415698,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7998359857,
            "variance": 0.639737604
          },
          {
            "average": 1.775690225,
            "count": 5415698,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.200409861,
            "variance": 1.440983835
          },
          {
            "average": 1,
            "count": 5415698,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5415698,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.228384965,
            "count": 5415698,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4275350674,
            "variance": 0.1827862338
          },
          {
            "average": 20.05834119,
            "count": 5415698,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.625770621,
            "variance": 6.894671355
          },
          {
            "average": 91.97616928,
            "count": 5415698,
            "maximum": 199,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.60127212,
            "variance": 4303.526904
          },
          {
            "average": 8.246649278,
            "count": 5415698,
            "maximum": 10,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.289819343,
            "variance": 1.663633937
          },
          {
            "average": 63848790.23,
            "count": 5415698,
            "maximum": 63850035.93,
            "minimum": 63846831.53,
            "name": "GpsTime",
            "position": 12,
            "stddev": 876.101399,
            "variance": 767553.6613
          },
          {
            "average": 0,
            "count": 5415698,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5415698,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5415698,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5415698,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5415698,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608999.7372,
          2395998.481,
          0.08713052464,
          609999.7572,
          2396998.501,
          44.04713052
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608999.7372061444,
                2395998.480603139,
                0.087130524639107
              ],
              [
                608999.7372061444,
                2396998.5006031385,
                0.087130524639107
              ],
              [
                609999.7572061444,
                2396998.5006031385,
                44.04713052463911
              ],
              [
                609999.7572061444,
                2395998.480603139,
                44.04713052463911
              ],
              [
                608999.7372061444,
                2395998.480603139,
                0.087130524639107
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:53:55+00:00",
        "end_time": "2013-09-22T01:00:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0996.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0996.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0996.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0996.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9465221,
            21.66385988,
            0.08713052464,
            -157.936792,
            21.67295506,
            44.04713052
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.94652214544615,
                  21.663921487678408,
                  0.087130524639107
                ],
                [
                  -157.94645652889423,
                  21.672955064692925,
                  0.087130524639107
                ],
                [
                  -157.9367920458717,
                  21.67289342883754,
                  44.04713052463911
                ],
                [
                  -157.93685826499723,
                  21.663859879862883,
                  44.04713052463911
                ],
                [
                  -157.94652214544615,
                  21.663921487678408,
                  0.087130524639107
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0996.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0996.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:53:55Z",
            "pc:count": 5415698,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609551.9321,
                "count": 5415698,
                "maximum": 609999.7572,
                "minimum": 608999.7372,
                "name": "X",
                "position": 0,
                "stddev": 272.9166625,
                "variance": 74483.50465
              },
              {
                "average": 2396554.841,
                "count": 5415698,
                "maximum": 2396998.501,
                "minimum": 2395998.481,
                "name": "Y",
                "position": 1,
                "stddev": 284.4610438,
                "variance": 80918.08541
              },
              {
                "average": 8.237523576,
                "count": 5415698,
                "maximum": 44.04713052,
                "minimum": 0.08713052464,
                "name": "Z",
                "position": 2,
                "stddev": 7.829984366,
                "variance": 61.30865516
              },
              {
                "average": 20.38647428,
                "count": 5415698,
                "maximum": 906,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.18737438,
                "variance": 851.9028233
              },
              {
                "average": 1.387860808,
                "count": 5415698,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7998359857,
                "variance": 0.639737604
              },
              {
                "average": 1.775690225,
                "count": 5415698,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.200409861,
                "variance": 1.440983835
              },
              {
                "average": 1,
                "count": 5415698,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5415698,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.228384965,
                "count": 5415698,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4275350674,
                "variance": 0.1827862338
              },
              {
                "average": 20.05834119,
                "count": 5415698,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.625770621,
                "variance": 6.894671355
              },
              {
                "average": 91.97616928,
                "count": 5415698,
                "maximum": 199,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.60127212,
                "variance": 4303.526904
              },
              {
                "average": 8.246649278,
                "count": 5415698,
                "maximum": 10,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.289819343,
                "variance": 1.663633937
              },
              {
                "average": 63848790.23,
                "count": 5415698,
                "maximum": 63850035.93,
                "minimum": 63846831.53,
                "name": "GpsTime",
                "position": 12,
                "stddev": 876.101399,
                "variance": 767553.6613
              },
              {
                "average": 0,
                "count": 5415698,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5415698,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5415698,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5415698,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5415698,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608999.7372,
              2395998.481,
              0.08713052464,
              609999.7572,
              2396998.501,
              44.04713052
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608999.7372061444,
                    2395998.480603139,
                    0.087130524639107
                  ],
                  [
                    608999.7372061444,
                    2396998.5006031385,
                    0.087130524639107
                  ],
                  [
                    609999.7572061444,
                    2396998.5006031385,
                    44.04713052463911
                  ],
                  [
                    609999.7572061444,
                    2395998.480603139,
                    44.04713052463911
                  ],
                  [
                    608999.7372061444,
                    2395998.480603139,
                    0.087130524639107
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:53:55+00:00",
            "end_time": "2013-09-22T01:00:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1584.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88244745857713,
              21.561931075240018,
              116.46261892751363
            ],
            [
              -157.88243059430837,
              21.56413141112423,
              116.46261892751363
            ],
            [
              -157.87964226787497,
              21.564112687085427,
              273.76261892751364
            ],
            [
              -157.8796591741824,
              21.561912353315517,
              273.76261892751364
            ],
            [
              -157.88244745857713,
              21.561931075240018,
              116.46261892751363
            ]
          ]
        ]
      },
      "bbox": [
        -157.8824475,
        21.56191235,
        116.4626189,
        -157.8796423,
        21.56413141,
        273.7626189
      ],
      "properties": {
        "datetime": "2013-09-22T02:27:19Z",
        "pc:count": 160834,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615878.8768,
            "count": 160834,
            "maximum": 615999.7869,
            "minimum": 615711.0469,
            "name": "X",
            "position": 0,
            "stddev": 68.70152335,
            "variance": 4719.899311
          },
          {
            "average": 2384910.254,
            "count": 160834,
            "maximum": 2384998.485,
            "minimum": 2384754.905,
            "name": "Y",
            "position": 1,
            "stddev": 60.00263476,
            "variance": 3600.316178
          },
          {
            "average": 197.9395701,
            "count": 160834,
            "maximum": 273.7626189,
            "minimum": 116.4626189,
            "name": "Z",
            "position": 2,
            "stddev": 29.41830794,
            "variance": 865.4368419
          },
          {
            "average": 7.468464379,
            "count": 160834,
            "maximum": 273,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.79403496,
            "variance": 218.8634705
          },
          {
            "average": 1.971013592,
            "count": 160834,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.114133263,
            "variance": 1.241292927
          },
          {
            "average": 2.948095552,
            "count": 160834,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.446224455,
            "variance": 2.091565174
          },
          {
            "average": 1,
            "count": 160834,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 160834,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.104343609,
            "count": 160834,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3057067243,
            "variance": 0.09345660129
          },
          {
            "average": 20.89175141,
            "count": 160834,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.924652926,
            "variance": 3.704288886
          },
          {
            "average": 81.73924668,
            "count": 160834,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.6837517,
            "variance": 4855.825251
          },
          {
            "average": 13.09902757,
            "count": 160834,
            "maximum": 14,
            "minimum": 13,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.2986999567,
            "variance": 0.08922166416
          },
          {
            "average": 63851651.86,
            "count": 160834,
            "maximum": 63852039,
            "minimum": 63851607.75,
            "name": "GpsTime",
            "position": 12,
            "stddev": 128.2512225,
            "variance": 16448.37606
          },
          {
            "average": 0,
            "count": 160834,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 160834,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 160834,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 160834,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 160834,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615711.0469,
          2384754.905,
          116.4626189,
          615999.7869,
          2384998.485,
          273.7626189
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615711.0468937136,
                2384754.904603336,
                116.46261892751363
              ],
              [
                615711.0468937136,
                2384998.484603336,
                116.46261892751363
              ],
              [
                615999.7868937136,
                2384998.484603336,
                273.76261892751364
              ],
              [
                615999.7868937136,
                2384754.904603336,
                273.76261892751364
              ],
              [
                615711.0468937136,
                2384754.904603336,
                116.46261892751363
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:27:19+00:00",
        "end_time": "2013-09-22T02:20:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1584.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1584.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1584.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1584.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8824475,
            21.56191235,
            116.4626189,
            -157.8796423,
            21.56413141,
            273.7626189
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88244745857713,
                  21.561931075240018,
                  116.46261892751363
                ],
                [
                  -157.88243059430837,
                  21.56413141112423,
                  116.46261892751363
                ],
                [
                  -157.87964226787497,
                  21.564112687085427,
                  273.76261892751364
                ],
                [
                  -157.8796591741824,
                  21.561912353315517,
                  273.76261892751364
                ],
                [
                  -157.88244745857713,
                  21.561931075240018,
                  116.46261892751363
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1584.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1584.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:27:19Z",
            "pc:count": 160834,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615878.8768,
                "count": 160834,
                "maximum": 615999.7869,
                "minimum": 615711.0469,
                "name": "X",
                "position": 0,
                "stddev": 68.70152335,
                "variance": 4719.899311
              },
              {
                "average": 2384910.254,
                "count": 160834,
                "maximum": 2384998.485,
                "minimum": 2384754.905,
                "name": "Y",
                "position": 1,
                "stddev": 60.00263476,
                "variance": 3600.316178
              },
              {
                "average": 197.9395701,
                "count": 160834,
                "maximum": 273.7626189,
                "minimum": 116.4626189,
                "name": "Z",
                "position": 2,
                "stddev": 29.41830794,
                "variance": 865.4368419
              },
              {
                "average": 7.468464379,
                "count": 160834,
                "maximum": 273,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.79403496,
                "variance": 218.8634705
              },
              {
                "average": 1.971013592,
                "count": 160834,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.114133263,
                "variance": 1.241292927
              },
              {
                "average": 2.948095552,
                "count": 160834,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.446224455,
                "variance": 2.091565174
              },
              {
                "average": 1,
                "count": 160834,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 160834,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.104343609,
                "count": 160834,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3057067243,
                "variance": 0.09345660129
              },
              {
                "average": 20.89175141,
                "count": 160834,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.924652926,
                "variance": 3.704288886
              },
              {
                "average": 81.73924668,
                "count": 160834,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.6837517,
                "variance": 4855.825251
              },
              {
                "average": 13.09902757,
                "count": 160834,
                "maximum": 14,
                "minimum": 13,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.2986999567,
                "variance": 0.08922166416
              },
              {
                "average": 63851651.86,
                "count": 160834,
                "maximum": 63852039,
                "minimum": 63851607.75,
                "name": "GpsTime",
                "position": 12,
                "stddev": 128.2512225,
                "variance": 16448.37606
              },
              {
                "average": 0,
                "count": 160834,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 160834,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 160834,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 160834,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 160834,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615711.0469,
              2384754.905,
              116.4626189,
              615999.7869,
              2384998.485,
              273.7626189
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615711.0468937136,
                    2384754.904603336,
                    116.46261892751363
                  ],
                  [
                    615711.0468937136,
                    2384998.484603336,
                    116.46261892751363
                  ],
                  [
                    615999.7868937136,
                    2384998.484603336,
                    273.76261892751364
                  ],
                  [
                    615999.7868937136,
                    2384754.904603336,
                    273.76261892751364
                  ],
                  [
                    615711.0468937136,
                    2384754.904603336,
                    116.46261892751363
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:27:19+00:00",
            "end_time": "2013-09-22T02:20:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1158.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9297082607112,
              21.320523009896796,
              -0.131133697323857
            ],
            [
              -157.92964271094178,
              21.32955691002487,
              -0.131133697323857
            ],
            [
              -157.92000090793687,
              21.329495235209336,
              58.268866302676145
            ],
            [
              -157.92006702754063,
              21.320461365606214,
              58.268866302676145
            ],
            [
              -157.9297082607112,
              21.320523009896796,
              -0.131133697323857
            ]
          ]
        ]
      },
      "bbox": [
        -157.9297083,
        21.32046137,
        -0.1311336973,
        -157.9200009,
        21.32955691,
        58.2688663
      ],
      "properties": {
        "datetime": "2013-09-15T14:52:36Z",
        "pc:count": 4903979,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611474.0533,
            "count": 4903979,
            "maximum": 611999.7589,
            "minimum": 610999.7389,
            "name": "X",
            "position": 0,
            "stddev": 286.0944261,
            "variance": 81850.02064
          },
          {
            "average": 2358482.258,
            "count": 4903979,
            "maximum": 2358998.453,
            "minimum": 2357998.433,
            "name": "Y",
            "position": 1,
            "stddev": 297.5602254,
            "variance": 88542.08774
          },
          {
            "average": 3.508115661,
            "count": 4903979,
            "maximum": 58.2688663,
            "minimum": -0.1311336973,
            "name": "Z",
            "position": 2,
            "stddev": 2.415245864,
            "variance": 5.833412585
          },
          {
            "average": 35.18279605,
            "count": 4903979,
            "maximum": 965,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.09401953,
            "variance": 1528.342363
          },
          {
            "average": 1.031676726,
            "count": 4903979,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.223911349,
            "variance": 0.05013629221
          },
          {
            "average": 1.059318973,
            "count": 4903979,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3364111218,
            "variance": 0.1131724429
          },
          {
            "average": 1,
            "count": 4903979,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4903979,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.446758642,
            "count": 4903979,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.5166216798,
            "variance": 0.2668979601
          },
          {
            "average": 0,
            "count": 4903979,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 89.17806907,
            "count": 4903979,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.427007,
            "variance": 4150.839231
          },
          {
            "average": 5.309385501,
            "count": 4903979,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.355827275,
            "variance": 5.549922151
          },
          {
            "average": 63277295.32,
            "count": 4903979,
            "maximum": 63291956.68,
            "minimum": 63273501.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5046.693659,
            "variance": 25469116.89
          },
          {
            "average": 0,
            "count": 4903979,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4903979,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4903979,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4903979,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4903979,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7389,
          2357998.433,
          -0.1311336973,
          611999.7589,
          2358998.453,
          58.2688663
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7388536759,
                2357998.4332651338,
                -0.131133697323857
              ],
              [
                610999.7388536759,
                2358998.4532651333,
                -0.131133697323857
              ],
              [
                611999.7588536759,
                2358998.4532651333,
                58.268866302676145
              ],
              [
                611999.7588536759,
                2357998.4332651338,
                58.268866302676145
              ],
              [
                610999.7388536759,
                2357998.4332651338,
                -0.131133697323857
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T14:52:36+00:00",
        "end_time": "2013-09-15T09:45:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1158.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1158.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1158.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1158.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9297083,
            21.32046137,
            -0.1311336973,
            -157.9200009,
            21.32955691,
            58.2688663
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9297082607112,
                  21.320523009896796,
                  -0.131133697323857
                ],
                [
                  -157.92964271094178,
                  21.32955691002487,
                  -0.131133697323857
                ],
                [
                  -157.92000090793687,
                  21.329495235209336,
                  58.268866302676145
                ],
                [
                  -157.92006702754063,
                  21.320461365606214,
                  58.268866302676145
                ],
                [
                  -157.9297082607112,
                  21.320523009896796,
                  -0.131133697323857
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1158.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1158.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T14:52:36Z",
            "pc:count": 4903979,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611474.0533,
                "count": 4903979,
                "maximum": 611999.7589,
                "minimum": 610999.7389,
                "name": "X",
                "position": 0,
                "stddev": 286.0944261,
                "variance": 81850.02064
              },
              {
                "average": 2358482.258,
                "count": 4903979,
                "maximum": 2358998.453,
                "minimum": 2357998.433,
                "name": "Y",
                "position": 1,
                "stddev": 297.5602254,
                "variance": 88542.08774
              },
              {
                "average": 3.508115661,
                "count": 4903979,
                "maximum": 58.2688663,
                "minimum": -0.1311336973,
                "name": "Z",
                "position": 2,
                "stddev": 2.415245864,
                "variance": 5.833412585
              },
              {
                "average": 35.18279605,
                "count": 4903979,
                "maximum": 965,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.09401953,
                "variance": 1528.342363
              },
              {
                "average": 1.031676726,
                "count": 4903979,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.223911349,
                "variance": 0.05013629221
              },
              {
                "average": 1.059318973,
                "count": 4903979,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3364111218,
                "variance": 0.1131724429
              },
              {
                "average": 1,
                "count": 4903979,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4903979,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.446758642,
                "count": 4903979,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.5166216798,
                "variance": 0.2668979601
              },
              {
                "average": 0,
                "count": 4903979,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 89.17806907,
                "count": 4903979,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.427007,
                "variance": 4150.839231
              },
              {
                "average": 5.309385501,
                "count": 4903979,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.355827275,
                "variance": 5.549922151
              },
              {
                "average": 63277295.32,
                "count": 4903979,
                "maximum": 63291956.68,
                "minimum": 63273501.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5046.693659,
                "variance": 25469116.89
              },
              {
                "average": 0,
                "count": 4903979,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4903979,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4903979,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4903979,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4903979,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7389,
              2357998.433,
              -0.1311336973,
              611999.7589,
              2358998.453,
              58.2688663
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7388536759,
                    2357998.4332651338,
                    -0.131133697323857
                  ],
                  [
                    610999.7388536759,
                    2358998.4532651333,
                    -0.131133697323857
                  ],
                  [
                    611999.7588536759,
                    2358998.4532651333,
                    58.268866302676145
                  ],
                  [
                    611999.7588536759,
                    2357998.4332651338,
                    58.268866302676145
                  ],
                  [
                    610999.7388536759,
                    2357998.4332651338,
                    -0.131133697323857
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T14:52:36+00:00",
            "end_time": "2013-09-15T09:45:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj1457.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90085244369357,
              21.31130290070552,
              -9.980109747372374
            ],
            [
              -157.90078520404506,
              21.320336540753363,
              -9.980109747372374
            ],
            [
              -157.89114410256082,
              21.32027325183074,
              21.839890252627626
            ],
            [
              -157.8912119308561,
              21.311239641222564,
              21.839890252627626
            ],
            [
              -157.90085244369357,
              21.31130290070552,
              -9.980109747372374
            ]
          ]
        ]
      },
      "bbox": [
        -157.9008524,
        21.31123964,
        -9.980109747,
        -157.8911441,
        21.32033654,
        21.83989025
      ],
      "properties": {
        "datetime": "2013-09-16T11:07:53Z",
        "pc:count": 2677042,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614487.4351,
            "count": 2677042,
            "maximum": 614999.7681,
            "minimum": 613999.7481,
            "name": "X",
            "position": 0,
            "stddev": 270.9779528,
            "variance": 73429.0509
          },
          {
            "average": 2357501.112,
            "count": 2677042,
            "maximum": 2357998.444,
            "minimum": 2356998.444,
            "name": "Y",
            "position": 1,
            "stddev": 299.3157374,
            "variance": 89589.91064
          },
          {
            "average": -2.304645377,
            "count": 2677042,
            "maximum": 21.83989025,
            "minimum": -9.980109747,
            "name": "Z",
            "position": 2,
            "stddev": 1.996014986,
            "variance": 3.984075826
          },
          {
            "average": 7.169637607,
            "count": 2677042,
            "maximum": 868,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.40898758,
            "variance": 502.1627244
          },
          {
            "average": 1.028902796,
            "count": 2677042,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1898883897,
            "variance": 0.03605760055
          },
          {
            "average": 1.04885691,
            "count": 2677042,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2649511545,
            "variance": 0.07019911426
          },
          {
            "average": 1,
            "count": 2677042,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2677042,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.07409521,
            "count": 2677042,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.522132934,
            "variance": 72.62674975
          },
          {
            "average": 0,
            "count": 2677042,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 99.19719452,
            "count": 2677042,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 77.60086452,
            "variance": 6021.894175
          },
          {
            "average": 5.02864617,
            "count": 2677042,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.053183555,
            "variance": 4.215562709
          },
          {
            "average": 63361553.77,
            "count": 2677042,
            "maximum": 63364873.74,
            "minimum": 63359562.34,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1727.333619,
            "variance": 2983681.432
          },
          {
            "average": 0,
            "count": 2677042,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2677042,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2677042,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2677042,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2677042,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.7481,
          2356998.444,
          -9.980109747,
          614999.7681,
          2357998.444,
          21.83989025
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.7480762585,
                2356998.443856279,
                -9.980109747372374
              ],
              [
                613999.7480762585,
                2357998.443856279,
                -9.980109747372374
              ],
              [
                614999.7680762585,
                2357998.443856279,
                21.839890252627626
              ],
              [
                614999.7680762585,
                2356998.443856279,
                21.839890252627626
              ],
              [
                613999.7480762585,
                2356998.443856279,
                -9.980109747372374
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:07:53+00:00",
        "end_time": "2013-09-16T09:39:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj1457.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj1457.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj1457.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1457.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9008524,
            21.31123964,
            -9.980109747,
            -157.8911441,
            21.32033654,
            21.83989025
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90085244369357,
                  21.31130290070552,
                  -9.980109747372374
                ],
                [
                  -157.90078520404506,
                  21.320336540753363,
                  -9.980109747372374
                ],
                [
                  -157.89114410256082,
                  21.32027325183074,
                  21.839890252627626
                ],
                [
                  -157.8912119308561,
                  21.311239641222564,
                  21.839890252627626
                ],
                [
                  -157.90085244369357,
                  21.31130290070552,
                  -9.980109747372374
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj1457.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1457.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:07:53Z",
            "pc:count": 2677042,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614487.4351,
                "count": 2677042,
                "maximum": 614999.7681,
                "minimum": 613999.7481,
                "name": "X",
                "position": 0,
                "stddev": 270.9779528,
                "variance": 73429.0509
              },
              {
                "average": 2357501.112,
                "count": 2677042,
                "maximum": 2357998.444,
                "minimum": 2356998.444,
                "name": "Y",
                "position": 1,
                "stddev": 299.3157374,
                "variance": 89589.91064
              },
              {
                "average": -2.304645377,
                "count": 2677042,
                "maximum": 21.83989025,
                "minimum": -9.980109747,
                "name": "Z",
                "position": 2,
                "stddev": 1.996014986,
                "variance": 3.984075826
              },
              {
                "average": 7.169637607,
                "count": 2677042,
                "maximum": 868,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.40898758,
                "variance": 502.1627244
              },
              {
                "average": 1.028902796,
                "count": 2677042,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1898883897,
                "variance": 0.03605760055
              },
              {
                "average": 1.04885691,
                "count": 2677042,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2649511545,
                "variance": 0.07019911426
              },
              {
                "average": 1,
                "count": 2677042,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2677042,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.07409521,
                "count": 2677042,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.522132934,
                "variance": 72.62674975
              },
              {
                "average": 0,
                "count": 2677042,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 99.19719452,
                "count": 2677042,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 77.60086452,
                "variance": 6021.894175
              },
              {
                "average": 5.02864617,
                "count": 2677042,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.053183555,
                "variance": 4.215562709
              },
              {
                "average": 63361553.77,
                "count": 2677042,
                "maximum": 63364873.74,
                "minimum": 63359562.34,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1727.333619,
                "variance": 2983681.432
              },
              {
                "average": 0,
                "count": 2677042,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2677042,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2677042,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2677042,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2677042,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.7481,
              2356998.444,
              -9.980109747,
              614999.7681,
              2357998.444,
              21.83989025
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.7480762585,
                    2356998.443856279,
                    -9.980109747372374
                  ],
                  [
                    613999.7480762585,
                    2357998.443856279,
                    -9.980109747372374
                  ],
                  [
                    614999.7680762585,
                    2357998.443856279,
                    21.839890252627626
                  ],
                  [
                    614999.7680762585,
                    2356998.443856279,
                    21.839890252627626
                  ],
                  [
                    613999.7480762585,
                    2356998.443856279,
                    -9.980109747372374
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:07:53+00:00",
            "end_time": "2013-09-16T09:39:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1585.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88929922072063,
              21.564177352298408,
              1.48517564276932
            ],
            [
              -157.88923038826846,
              21.573210686598724,
              1.48517564276932
            ],
            [
              -157.87957270852178,
              21.573146006767097,
              265.6651756427693
            ],
            [
              -157.87964213898928,
              21.564112702411176,
              265.6651756427693
            ],
            [
              -157.88929922072063,
              21.564177352298408,
              1.48517564276932
            ]
          ]
        ]
      },
      "bbox": [
        -157.8892992,
        21.5641127,
        1.485175643,
        -157.8795727,
        21.57321069,
        265.6651756
      ],
      "properties": {
        "datetime": "2013-09-22T02:27:18Z",
        "pc:count": 4204104,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615540.8902,
            "count": 4204104,
            "maximum": 615999.8002,
            "minimum": 614999.7802,
            "name": "X",
            "position": 0,
            "stddev": 242.683893,
            "variance": 58895.47193
          },
          {
            "average": 2385644.993,
            "count": 4204104,
            "maximum": 2385998.486,
            "minimum": 2384998.486,
            "name": "Y",
            "position": 1,
            "stddev": 213.0102582,
            "variance": 45373.3701
          },
          {
            "average": 92.63491691,
            "count": 4204104,
            "maximum": 265.6651756,
            "minimum": 1.485175643,
            "name": "Z",
            "position": 2,
            "stddev": 67.60726949,
            "variance": 4570.742887
          },
          {
            "average": 11.3560968,
            "count": 4204104,
            "maximum": 880,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.63490021,
            "variance": 347.259506
          },
          {
            "average": 1.680259099,
            "count": 4204104,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9768490872,
            "variance": 0.9542341392
          },
          {
            "average": 2.360344559,
            "count": 4204104,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.35952277,
            "variance": 1.848302161
          },
          {
            "average": 1,
            "count": 4204104,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4204104,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.12687198,
            "count": 4204104,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3328295469,
            "variance": 0.1107755073
          },
          {
            "average": 20.38792703,
            "count": 4204104,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.549544921,
            "variance": 6.500179305
          },
          {
            "average": 89.13353261,
            "count": 4204104,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.07510027,
            "variance": 4634.219276
          },
          {
            "average": 12.54497486,
            "count": 4204104,
            "maximum": 14,
            "minimum": 10,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.176886458,
            "variance": 1.385061736
          },
          {
            "average": 63851385.77,
            "count": 4204104,
            "maximum": 63852038.36,
            "minimum": 63850201.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 529.7596226,
            "variance": 280645.2577
          },
          {
            "average": 0,
            "count": 4204104,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4204104,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4204104,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4204104,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4204104,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.7802,
          2384998.486,
          1.485175643,
          615999.8002,
          2385998.486,
          265.6651756
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.7802273572,
                2384998.4863957553,
                1.48517564276932
              ],
              [
                614999.7802273572,
                2385998.4863957553,
                1.48517564276932
              ],
              [
                615999.8002273572,
                2385998.4863957553,
                265.6651756427693
              ],
              [
                615999.8002273572,
                2384998.4863957553,
                265.6651756427693
              ],
              [
                614999.7802273572,
                2384998.4863957553,
                1.48517564276932
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:27:18+00:00",
        "end_time": "2013-09-22T01:56:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1585.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1585.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1585.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1585.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8892992,
            21.5641127,
            1.485175643,
            -157.8795727,
            21.57321069,
            265.6651756
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88929922072063,
                  21.564177352298408,
                  1.48517564276932
                ],
                [
                  -157.88923038826846,
                  21.573210686598724,
                  1.48517564276932
                ],
                [
                  -157.87957270852178,
                  21.573146006767097,
                  265.6651756427693
                ],
                [
                  -157.87964213898928,
                  21.564112702411176,
                  265.6651756427693
                ],
                [
                  -157.88929922072063,
                  21.564177352298408,
                  1.48517564276932
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1585.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1585.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:27:18Z",
            "pc:count": 4204104,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615540.8902,
                "count": 4204104,
                "maximum": 615999.8002,
                "minimum": 614999.7802,
                "name": "X",
                "position": 0,
                "stddev": 242.683893,
                "variance": 58895.47193
              },
              {
                "average": 2385644.993,
                "count": 4204104,
                "maximum": 2385998.486,
                "minimum": 2384998.486,
                "name": "Y",
                "position": 1,
                "stddev": 213.0102582,
                "variance": 45373.3701
              },
              {
                "average": 92.63491691,
                "count": 4204104,
                "maximum": 265.6651756,
                "minimum": 1.485175643,
                "name": "Z",
                "position": 2,
                "stddev": 67.60726949,
                "variance": 4570.742887
              },
              {
                "average": 11.3560968,
                "count": 4204104,
                "maximum": 880,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.63490021,
                "variance": 347.259506
              },
              {
                "average": 1.680259099,
                "count": 4204104,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9768490872,
                "variance": 0.9542341392
              },
              {
                "average": 2.360344559,
                "count": 4204104,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.35952277,
                "variance": 1.848302161
              },
              {
                "average": 1,
                "count": 4204104,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4204104,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.12687198,
                "count": 4204104,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3328295469,
                "variance": 0.1107755073
              },
              {
                "average": 20.38792703,
                "count": 4204104,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.549544921,
                "variance": 6.500179305
              },
              {
                "average": 89.13353261,
                "count": 4204104,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.07510027,
                "variance": 4634.219276
              },
              {
                "average": 12.54497486,
                "count": 4204104,
                "maximum": 14,
                "minimum": 10,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.176886458,
                "variance": 1.385061736
              },
              {
                "average": 63851385.77,
                "count": 4204104,
                "maximum": 63852038.36,
                "minimum": 63850201.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 529.7596226,
                "variance": 280645.2577
              },
              {
                "average": 0,
                "count": 4204104,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4204104,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4204104,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4204104,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4204104,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.7802,
              2384998.486,
              1.485175643,
              615999.8002,
              2385998.486,
              265.6651756
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.7802273572,
                    2384998.4863957553,
                    1.48517564276932
                  ],
                  [
                    614999.7802273572,
                    2385998.4863957553,
                    1.48517564276932
                  ],
                  [
                    615999.8002273572,
                    2385998.4863957553,
                    265.6651756427693
                  ],
                  [
                    615999.8002273572,
                    2384998.4863957553,
                    265.6651756427693
                  ],
                  [
                    614999.7802273572,
                    2384998.4863957553,
                    1.48517564276932
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:27:18+00:00",
            "end_time": "2013-09-22T01:56:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1686.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.87957277101404,
              21.573145928431593,
              -20.209693196707626
            ],
            [
              -157.8795032981374,
              21.582179044192056,
              -20.209693196707626
            ],
            [
              -157.86984524792715,
              21.582113776663288,
              38.110306803292374
            ],
            [
              -157.8699153185358,
              21.57308069120901,
              38.110306803292374
            ],
            [
              -157.87957277101404,
              21.573145928431593,
              -20.209693196707626
            ]
          ]
        ]
      },
      "bbox": [
        -157.8795728,
        21.57308069,
        -20.2096932,
        -157.8698452,
        21.58217904,
        38.1103068
      ],
      "properties": {
        "datetime": "2013-09-23T22:41:19Z",
        "pc:count": 4133241,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616491.0757,
            "count": 4133241,
            "maximum": 616999.7938,
            "minimum": 615999.7938,
            "name": "X",
            "position": 0,
            "stddev": 286.6350436,
            "variance": 82159.64823
          },
          {
            "average": 2386376.332,
            "count": 4133241,
            "maximum": 2386998.458,
            "minimum": 2385998.478,
            "name": "Y",
            "position": 1,
            "stddev": 251.687837,
            "variance": 63346.76729
          },
          {
            "average": 0.3547362643,
            "count": 4133241,
            "maximum": 38.1103068,
            "minimum": -20.2096932,
            "name": "Z",
            "position": 2,
            "stddev": 4.608829091,
            "variance": 21.24130559
          },
          {
            "average": 9.335832099,
            "count": 4133241,
            "maximum": 8290,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.63973111,
            "variance": 1342.469895
          },
          {
            "average": 1.08172981,
            "count": 4133241,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3750487269,
            "variance": 0.1406615475
          },
          {
            "average": 1.162671618,
            "count": 4133241,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5857486878,
            "variance": 0.3431015253
          },
          {
            "average": 1,
            "count": 4133241,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4133241,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 24.46557846,
            "count": 4133241,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.27628767,
            "variance": 105.6020882
          },
          {
            "average": 20.13678041,
            "count": 4133241,
            "maximum": 34.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.435204887,
            "variance": 11.80063262
          },
          {
            "average": 89.58755151,
            "count": 4133241,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.66519425,
            "variance": 5135.900067
          },
          {
            "average": 5.646618961,
            "count": 4133241,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.440211581,
            "variance": 5.954632558
          },
          {
            "average": 63878914.83,
            "count": 4133241,
            "maximum": 64011279.65,
            "minimum": 63845158.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 63947.31491,
            "variance": 4089259084
          },
          {
            "average": 0,
            "count": 4133241,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4133241,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4133241,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4133241,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4133241,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7938,
          2385998.478,
          -20.2096932,
          616999.7938,
          2386998.458,
          38.1103068
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.7938191739,
                2385998.477677815,
                -20.209693196707626
              ],
              [
                615999.7938191739,
                2386998.4576778156,
                -20.209693196707626
              ],
              [
                616999.7938191739,
                2386998.4576778156,
                38.110306803292374
              ],
              [
                616999.7938191739,
                2385998.477677815,
                38.110306803292374
              ],
              [
                615999.7938191739,
                2385998.477677815,
                -20.209693196707626
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T22:41:19+00:00",
        "end_time": "2013-09-22T00:32:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1686.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1686.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1686.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1686.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8795728,
            21.57308069,
            -20.2096932,
            -157.8698452,
            21.58217904,
            38.1103068
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.87957277101404,
                  21.573145928431593,
                  -20.209693196707626
                ],
                [
                  -157.8795032981374,
                  21.582179044192056,
                  -20.209693196707626
                ],
                [
                  -157.86984524792715,
                  21.582113776663288,
                  38.110306803292374
                ],
                [
                  -157.8699153185358,
                  21.57308069120901,
                  38.110306803292374
                ],
                [
                  -157.87957277101404,
                  21.573145928431593,
                  -20.209693196707626
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1686.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1686.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T22:41:19Z",
            "pc:count": 4133241,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616491.0757,
                "count": 4133241,
                "maximum": 616999.7938,
                "minimum": 615999.7938,
                "name": "X",
                "position": 0,
                "stddev": 286.6350436,
                "variance": 82159.64823
              },
              {
                "average": 2386376.332,
                "count": 4133241,
                "maximum": 2386998.458,
                "minimum": 2385998.478,
                "name": "Y",
                "position": 1,
                "stddev": 251.687837,
                "variance": 63346.76729
              },
              {
                "average": 0.3547362643,
                "count": 4133241,
                "maximum": 38.1103068,
                "minimum": -20.2096932,
                "name": "Z",
                "position": 2,
                "stddev": 4.608829091,
                "variance": 21.24130559
              },
              {
                "average": 9.335832099,
                "count": 4133241,
                "maximum": 8290,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.63973111,
                "variance": 1342.469895
              },
              {
                "average": 1.08172981,
                "count": 4133241,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3750487269,
                "variance": 0.1406615475
              },
              {
                "average": 1.162671618,
                "count": 4133241,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5857486878,
                "variance": 0.3431015253
              },
              {
                "average": 1,
                "count": 4133241,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4133241,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 24.46557846,
                "count": 4133241,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.27628767,
                "variance": 105.6020882
              },
              {
                "average": 20.13678041,
                "count": 4133241,
                "maximum": 34.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.435204887,
                "variance": 11.80063262
              },
              {
                "average": 89.58755151,
                "count": 4133241,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.66519425,
                "variance": 5135.900067
              },
              {
                "average": 5.646618961,
                "count": 4133241,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.440211581,
                "variance": 5.954632558
              },
              {
                "average": 63878914.83,
                "count": 4133241,
                "maximum": 64011279.65,
                "minimum": 63845158.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 63947.31491,
                "variance": 4089259084
              },
              {
                "average": 0,
                "count": 4133241,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4133241,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4133241,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4133241,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4133241,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7938,
              2385998.478,
              -20.2096932,
              616999.7938,
              2386998.458,
              38.1103068
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.7938191739,
                    2385998.477677815,
                    -20.209693196707626
                  ],
                  [
                    615999.7938191739,
                    2386998.4576778156,
                    -20.209693196707626
                  ],
                  [
                    616999.7938191739,
                    2386998.4576778156,
                    38.110306803292374
                  ],
                  [
                    616999.7938191739,
                    2385998.477677815,
                    38.110306803292374
                  ],
                  [
                    615999.7938191739,
                    2385998.477677815,
                    -20.209693196707626
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T22:41:19+00:00",
            "end_time": "2013-09-22T00:32:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1159.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92964265209676,
              21.32955677482138,
              2.27456750720752
            ],
            [
              -157.9296206913064,
              21.332583790171434,
              2.27456750720752
            ],
            [
              -157.91997888561704,
              21.33252210701036,
              31.03456750720752
            ],
            [
              -157.9200010419324,
              21.329495101241623,
              31.03456750720752
            ],
            [
              -157.92964265209676,
              21.32955677482138,
              2.27456750720752
            ]
          ]
        ]
      },
      "bbox": [
        -157.9296427,
        21.3294951,
        2.274567507,
        -157.9199789,
        21.33258379,
        31.03456751
      ],
      "properties": {
        "datetime": "2013-09-15T09:58:45Z",
        "pc:count": 1458972,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611524.3497,
            "count": 1458972,
            "maximum": 611999.7451,
            "minimum": 610999.7451,
            "name": "X",
            "position": 0,
            "stddev": 283.9318969,
            "variance": 80617.32211
          },
          {
            "average": 2359135.938,
            "count": 1458972,
            "maximum": 2359333.518,
            "minimum": 2358998.438,
            "name": "Y",
            "position": 1,
            "stddev": 101.8331185,
            "variance": 10369.98403
          },
          {
            "average": 7.421643359,
            "count": 1458972,
            "maximum": 31.03456751,
            "minimum": 2.274567507,
            "name": "Z",
            "position": 2,
            "stddev": 5.349636243,
            "variance": 28.61860793
          },
          {
            "average": 37.42398689,
            "count": 1458972,
            "maximum": 938,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 53.91792092,
            "variance": 2907.142196
          },
          {
            "average": 1.117196903,
            "count": 1458972,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4018638349,
            "variance": 0.1614945418
          },
          {
            "average": 1.212010237,
            "count": 1458972,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5777329835,
            "variance": 0.3337754002
          },
          {
            "average": 1,
            "count": 1458972,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1458972,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.357921879,
            "count": 1458972,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4793891583,
            "variance": 0.2298139651
          },
          {
            "average": 0,
            "count": 1458972,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.84833156,
            "count": 1458972,
            "maximum": 193,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 62.72833693,
            "variance": 3934.844254
          },
          {
            "average": 1.499854692,
            "count": 1458972,
            "maximum": 3,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8659417908,
            "variance": 0.7498551851
          },
          {
            "average": 63273711.99,
            "count": 1458972,
            "maximum": 63274325.09,
            "minimum": 63273500.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 348.7333448,
            "variance": 121614.9458
          },
          {
            "average": 0,
            "count": 1458972,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1458972,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1458972,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1458972,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1458972,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7451,
          2358998.438,
          2.274567507,
          611999.7451,
          2359333.518,
          31.03456751
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7450583477,
                2358998.438340746,
                2.27456750720752
              ],
              [
                610999.7450583477,
                2359333.518340746,
                2.27456750720752
              ],
              [
                611999.7450583477,
                2359333.518340746,
                31.03456750720752
              ],
              [
                611999.7450583477,
                2358998.438340746,
                31.03456750720752
              ],
              [
                610999.7450583477,
                2358998.438340746,
                2.27456750720752
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T09:58:45+00:00",
        "end_time": "2013-09-15T09:45:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1159.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1159.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1159.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1159.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9296427,
            21.3294951,
            2.274567507,
            -157.9199789,
            21.33258379,
            31.03456751
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92964265209676,
                  21.32955677482138,
                  2.27456750720752
                ],
                [
                  -157.9296206913064,
                  21.332583790171434,
                  2.27456750720752
                ],
                [
                  -157.91997888561704,
                  21.33252210701036,
                  31.03456750720752
                ],
                [
                  -157.9200010419324,
                  21.329495101241623,
                  31.03456750720752
                ],
                [
                  -157.92964265209676,
                  21.32955677482138,
                  2.27456750720752
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1159.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1159.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T09:58:45Z",
            "pc:count": 1458972,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611524.3497,
                "count": 1458972,
                "maximum": 611999.7451,
                "minimum": 610999.7451,
                "name": "X",
                "position": 0,
                "stddev": 283.9318969,
                "variance": 80617.32211
              },
              {
                "average": 2359135.938,
                "count": 1458972,
                "maximum": 2359333.518,
                "minimum": 2358998.438,
                "name": "Y",
                "position": 1,
                "stddev": 101.8331185,
                "variance": 10369.98403
              },
              {
                "average": 7.421643359,
                "count": 1458972,
                "maximum": 31.03456751,
                "minimum": 2.274567507,
                "name": "Z",
                "position": 2,
                "stddev": 5.349636243,
                "variance": 28.61860793
              },
              {
                "average": 37.42398689,
                "count": 1458972,
                "maximum": 938,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 53.91792092,
                "variance": 2907.142196
              },
              {
                "average": 1.117196903,
                "count": 1458972,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4018638349,
                "variance": 0.1614945418
              },
              {
                "average": 1.212010237,
                "count": 1458972,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5777329835,
                "variance": 0.3337754002
              },
              {
                "average": 1,
                "count": 1458972,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1458972,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.357921879,
                "count": 1458972,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4793891583,
                "variance": 0.2298139651
              },
              {
                "average": 0,
                "count": 1458972,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.84833156,
                "count": 1458972,
                "maximum": 193,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 62.72833693,
                "variance": 3934.844254
              },
              {
                "average": 1.499854692,
                "count": 1458972,
                "maximum": 3,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8659417908,
                "variance": 0.7498551851
              },
              {
                "average": 63273711.99,
                "count": 1458972,
                "maximum": 63274325.09,
                "minimum": 63273500.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 348.7333448,
                "variance": 121614.9458
              },
              {
                "average": 0,
                "count": 1458972,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1458972,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1458972,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1458972,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1458972,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7451,
              2358998.438,
              2.274567507,
              611999.7451,
              2359333.518,
              31.03456751
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7450583477,
                    2358998.438340746,
                    2.27456750720752
                  ],
                  [
                    610999.7450583477,
                    2359333.518340746,
                    2.27456750720752
                  ],
                  [
                    611999.7450583477,
                    2359333.518340746,
                    31.03456750720752
                  ],
                  [
                    611999.7450583477,
                    2358998.438340746,
                    31.03456750720752
                  ],
                  [
                    610999.7450583477,
                    2358998.438340746,
                    2.27456750720752
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T09:58:45+00:00",
            "end_time": "2013-09-15T09:45:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1291.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.917867559737,
              21.61856831059754,
              -12.979197910553808
            ],
            [
              -157.91780032902125,
              21.627601668255057,
              -12.979197910553808
            ],
            [
              -157.90813895376527,
              21.627538490877974,
              35.440802089446194
            ],
            [
              -157.90820678183331,
              21.618505162990555,
              35.440802089446194
            ],
            [
              -157.917867559737,
              21.61856831059754,
              -12.979197910553808
            ]
          ]
        ]
      },
      "bbox": [
        -157.9178676,
        21.61850516,
        -12.97919791,
        -157.908139,
        21.62760167,
        35.44080209
      ],
      "properties": {
        "datetime": "2013-09-22T02:18:31Z",
        "pc:count": 4151718,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612471.2406,
            "count": 4151718,
            "maximum": 612999.7784,
            "minimum": 611999.7584,
            "name": "X",
            "position": 0,
            "stddev": 299.3464116,
            "variance": 89608.27413
          },
          {
            "average": 2391474.284,
            "count": 4151718,
            "maximum": 2391998.485,
            "minimum": 2390998.485,
            "name": "Y",
            "position": 1,
            "stddev": 292.8037894,
            "variance": 85734.05911
          },
          {
            "average": 0.7127453789,
            "count": 4151718,
            "maximum": 35.44080209,
            "minimum": -12.97919791,
            "name": "Z",
            "position": 2,
            "stddev": 5.802653423,
            "variance": 33.67078674
          },
          {
            "average": 13.68731571,
            "count": 4151718,
            "maximum": 3376,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.68348914,
            "variance": 1134.57744
          },
          {
            "average": 1.090949578,
            "count": 4151718,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3696778357,
            "variance": 0.1366617022
          },
          {
            "average": 1.180173846,
            "count": 4151718,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5621920743,
            "variance": 0.3160599284
          },
          {
            "average": 1,
            "count": 4151718,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4151718,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.31475645,
            "count": 4151718,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.87760447,
            "variance": 165.8326968
          },
          {
            "average": 20.10305811,
            "count": 4151718,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.48723444,
            "variance": 6.186335158
          },
          {
            "average": 90.43794786,
            "count": 4151718,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.97947955,
            "variance": 4621.20964
          },
          {
            "average": 9.732413425,
            "count": 4151718,
            "maximum": 13,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.683034603,
            "variance": 2.832605474
          },
          {
            "average": 63849779.27,
            "count": 4151718,
            "maximum": 63851511.68,
            "minimum": 63847385.73,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1044.095178,
            "variance": 1090134.741
          },
          {
            "average": 0,
            "count": 4151718,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4151718,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4151718,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4151718,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4151718,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7584,
          2390998.485,
          -12.97919791,
          612999.7784,
          2391998.485,
          35.44080209
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7584249749,
                2390998.484578897,
                -12.979197910553808
              ],
              [
                611999.7584249749,
                2391998.484578897,
                -12.979197910553808
              ],
              [
                612999.7784249749,
                2391998.484578897,
                35.440802089446194
              ],
              [
                612999.7784249749,
                2390998.484578897,
                35.440802089446194
              ],
              [
                611999.7584249749,
                2390998.484578897,
                -12.979197910553808
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:18:31+00:00",
        "end_time": "2013-09-22T01:09:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1291.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1291.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1291.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1291.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9178676,
            21.61850516,
            -12.97919791,
            -157.908139,
            21.62760167,
            35.44080209
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.917867559737,
                  21.61856831059754,
                  -12.979197910553808
                ],
                [
                  -157.91780032902125,
                  21.627601668255057,
                  -12.979197910553808
                ],
                [
                  -157.90813895376527,
                  21.627538490877974,
                  35.440802089446194
                ],
                [
                  -157.90820678183331,
                  21.618505162990555,
                  35.440802089446194
                ],
                [
                  -157.917867559737,
                  21.61856831059754,
                  -12.979197910553808
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1291.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1291.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:18:31Z",
            "pc:count": 4151718,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612471.2406,
                "count": 4151718,
                "maximum": 612999.7784,
                "minimum": 611999.7584,
                "name": "X",
                "position": 0,
                "stddev": 299.3464116,
                "variance": 89608.27413
              },
              {
                "average": 2391474.284,
                "count": 4151718,
                "maximum": 2391998.485,
                "minimum": 2390998.485,
                "name": "Y",
                "position": 1,
                "stddev": 292.8037894,
                "variance": 85734.05911
              },
              {
                "average": 0.7127453789,
                "count": 4151718,
                "maximum": 35.44080209,
                "minimum": -12.97919791,
                "name": "Z",
                "position": 2,
                "stddev": 5.802653423,
                "variance": 33.67078674
              },
              {
                "average": 13.68731571,
                "count": 4151718,
                "maximum": 3376,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.68348914,
                "variance": 1134.57744
              },
              {
                "average": 1.090949578,
                "count": 4151718,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3696778357,
                "variance": 0.1366617022
              },
              {
                "average": 1.180173846,
                "count": 4151718,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5621920743,
                "variance": 0.3160599284
              },
              {
                "average": 1,
                "count": 4151718,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4151718,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.31475645,
                "count": 4151718,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.87760447,
                "variance": 165.8326968
              },
              {
                "average": 20.10305811,
                "count": 4151718,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.48723444,
                "variance": 6.186335158
              },
              {
                "average": 90.43794786,
                "count": 4151718,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.97947955,
                "variance": 4621.20964
              },
              {
                "average": 9.732413425,
                "count": 4151718,
                "maximum": 13,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.683034603,
                "variance": 2.832605474
              },
              {
                "average": 63849779.27,
                "count": 4151718,
                "maximum": 63851511.68,
                "minimum": 63847385.73,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1044.095178,
                "variance": 1090134.741
              },
              {
                "average": 0,
                "count": 4151718,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4151718,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4151718,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4151718,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4151718,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7584,
              2390998.485,
              -12.97919791,
              612999.7784,
              2391998.485,
              35.44080209
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7584249749,
                    2390998.484578897,
                    -12.979197910553808
                  ],
                  [
                    611999.7584249749,
                    2391998.484578897,
                    -12.979197910553808
                  ],
                  [
                    612999.7784249749,
                    2391998.484578897,
                    35.440802089446194
                  ],
                  [
                    612999.7784249749,
                    2390998.484578897,
                    35.440802089446194
                  ],
                  [
                    611999.7584249749,
                    2390998.484578897,
                    -12.979197910553808
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:18:31+00:00",
            "end_time": "2013-09-22T01:09:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1458.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90078513414923,
              21.320336533974682,
              -9.305232080955621
            ],
            [
              -157.90071784805238,
              21.32937016286004,
              -9.305232080955621
            ],
            [
              -157.89107616138907,
              21.329306843232274,
              30.23476791904438
            ],
            [
              -157.89114403266566,
              21.32027324504807,
              30.23476791904438
            ],
            [
              -157.90078513414923,
              21.320336533974682,
              -9.305232080955621
            ]
          ]
        ]
      },
      "bbox": [
        -157.9007851,
        21.32027325,
        -9.305232081,
        -157.8910762,
        21.32937016,
        30.23476792
      ],
      "properties": {
        "datetime": "2013-09-16T09:44:30Z",
        "pc:count": 2925143,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614607.8383,
            "count": 2925143,
            "maximum": 614999.7753,
            "minimum": 613999.7553,
            "name": "X",
            "position": 0,
            "stddev": 313.4583856,
            "variance": 98256.1595
          },
          {
            "average": 2358487.789,
            "count": 2925143,
            "maximum": 2358998.443,
            "minimum": 2357998.443,
            "name": "Y",
            "position": 1,
            "stddev": 295.5131452,
            "variance": 87328.01896
          },
          {
            "average": 1.87866605,
            "count": 2925143,
            "maximum": 30.23476792,
            "minimum": -9.305232081,
            "name": "Z",
            "position": 2,
            "stddev": 4.202037815,
            "variance": 17.6571218
          },
          {
            "average": 18.8236076,
            "count": 2925143,
            "maximum": 913,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.41071624,
            "variance": 1798.668852
          },
          {
            "average": 1.133345618,
            "count": 2925143,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4296898731,
            "variance": 0.1846333871
          },
          {
            "average": 1.248203934,
            "count": 2925143,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6250723089,
            "variance": 0.3907153914
          },
          {
            "average": 1,
            "count": 2925143,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2925143,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.81142119,
            "count": 2925143,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.19456532,
            "variance": 174.096554
          },
          {
            "average": 0,
            "count": 2925143,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 106.3646704,
            "count": 2925143,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 78.59434995,
            "variance": 6177.071845
          },
          {
            "average": 4.98686013,
            "count": 2925143,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.648201268,
            "variance": 7.012969954
          },
          {
            "average": 63292347.62,
            "count": 2925143,
            "maximum": 63359870.47,
            "minimum": 63274873.61,
            "name": "GpsTime",
            "position": 12,
            "stddev": 29604.18627,
            "variance": 876407844.4
          },
          {
            "average": 0,
            "count": 2925143,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2925143,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2925143,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2925143,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2925143,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.7553,
          2357998.443,
          -9.305232081,
          614999.7753,
          2358998.443,
          30.23476792
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.7553310485,
                2357998.4431565,
                -9.305232080955621
              ],
              [
                613999.7553310485,
                2358998.4431565,
                -9.305232080955621
              ],
              [
                614999.7753310485,
                2358998.4431565,
                30.23476791904438
              ],
              [
                614999.7753310485,
                2357998.4431565,
                30.23476791904438
              ],
              [
                613999.7553310485,
                2357998.4431565,
                -9.305232080955621
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T09:44:30+00:00",
        "end_time": "2013-09-15T10:07:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1458.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1458.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1458.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1458.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9007851,
            21.32027325,
            -9.305232081,
            -157.8910762,
            21.32937016,
            30.23476792
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90078513414923,
                  21.320336533974682,
                  -9.305232080955621
                ],
                [
                  -157.90071784805238,
                  21.32937016286004,
                  -9.305232080955621
                ],
                [
                  -157.89107616138907,
                  21.329306843232274,
                  30.23476791904438
                ],
                [
                  -157.89114403266566,
                  21.32027324504807,
                  30.23476791904438
                ],
                [
                  -157.90078513414923,
                  21.320336533974682,
                  -9.305232080955621
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1458.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1458.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T09:44:30Z",
            "pc:count": 2925143,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614607.8383,
                "count": 2925143,
                "maximum": 614999.7753,
                "minimum": 613999.7553,
                "name": "X",
                "position": 0,
                "stddev": 313.4583856,
                "variance": 98256.1595
              },
              {
                "average": 2358487.789,
                "count": 2925143,
                "maximum": 2358998.443,
                "minimum": 2357998.443,
                "name": "Y",
                "position": 1,
                "stddev": 295.5131452,
                "variance": 87328.01896
              },
              {
                "average": 1.87866605,
                "count": 2925143,
                "maximum": 30.23476792,
                "minimum": -9.305232081,
                "name": "Z",
                "position": 2,
                "stddev": 4.202037815,
                "variance": 17.6571218
              },
              {
                "average": 18.8236076,
                "count": 2925143,
                "maximum": 913,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.41071624,
                "variance": 1798.668852
              },
              {
                "average": 1.133345618,
                "count": 2925143,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4296898731,
                "variance": 0.1846333871
              },
              {
                "average": 1.248203934,
                "count": 2925143,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6250723089,
                "variance": 0.3907153914
              },
              {
                "average": 1,
                "count": 2925143,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2925143,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.81142119,
                "count": 2925143,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.19456532,
                "variance": 174.096554
              },
              {
                "average": 0,
                "count": 2925143,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 106.3646704,
                "count": 2925143,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 78.59434995,
                "variance": 6177.071845
              },
              {
                "average": 4.98686013,
                "count": 2925143,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.648201268,
                "variance": 7.012969954
              },
              {
                "average": 63292347.62,
                "count": 2925143,
                "maximum": 63359870.47,
                "minimum": 63274873.61,
                "name": "GpsTime",
                "position": 12,
                "stddev": 29604.18627,
                "variance": 876407844.4
              },
              {
                "average": 0,
                "count": 2925143,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2925143,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2925143,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2925143,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2925143,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.7553,
              2357998.443,
              -9.305232081,
              614999.7753,
              2358998.443,
              30.23476792
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.7553310485,
                    2357998.4431565,
                    -9.305232080955621
                  ],
                  [
                    613999.7553310485,
                    2358998.4431565,
                    -9.305232080955621
                  ],
                  [
                    614999.7753310485,
                    2358998.4431565,
                    30.23476791904438
                  ],
                  [
                    614999.7753310485,
                    2357998.4431565,
                    30.23476791904438
                  ],
                  [
                    613999.7553310485,
                    2357998.4431565,
                    -9.305232080955621
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T09:44:30+00:00",
            "end_time": "2013-09-15T10:07:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1856.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86236069653756,
              21.302013039615012,
              0.725622856497196
            ],
            [
              -157.8622911363267,
              21.31104657186709,
              0.725622856497196
            ],
            [
              -157.85265096821266,
              21.310981103041396,
              146.80562285649722
            ],
            [
              -157.85272111770803,
              21.30194760108052,
              146.80562285649722
            ],
            [
              -157.86236069653756,
              21.302013039615012,
              0.725622856497196
            ]
          ]
        ]
      },
      "bbox": [
        -157.8623607,
        21.3019476,
        0.7256228565,
        -157.852651,
        21.31104657,
        146.8056229
      ],
      "properties": {
        "datetime": "2013-09-17T12:14:10Z",
        "pc:count": 10096673,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618426.4313,
            "count": 10096673,
            "maximum": 618999.7739,
            "minimum": 617999.7739,
            "name": "X",
            "position": 0,
            "stddev": 270.1420128,
            "variance": 72976.70709
          },
          {
            "average": 2356405.455,
            "count": 10096673,
            "maximum": 2356998.444,
            "minimum": 2355998.444,
            "name": "Y",
            "position": 1,
            "stddev": 250.6897308,
            "variance": 62845.34111
          },
          {
            "average": 14.54631626,
            "count": 10096673,
            "maximum": 146.8056229,
            "minimum": 0.7256228565,
            "name": "Z",
            "position": 2,
            "stddev": 17.85600921,
            "variance": 318.837065
          },
          {
            "average": 23.61411308,
            "count": 10096673,
            "maximum": 1020,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.04497925,
            "variance": 2308.320031
          },
          {
            "average": 1.428200458,
            "count": 10096673,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7487208737,
            "variance": 0.5605829466
          },
          {
            "average": 1.815824579,
            "count": 10096673,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.058047404,
            "variance": 1.119464308
          },
          {
            "average": 1,
            "count": 10096673,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10096673,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.141595751,
            "count": 10096673,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3486350622,
            "variance": 0.1215464066
          },
          {
            "average": 6.067476367,
            "count": 10096673,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.721958182,
            "variance": 94.51647089
          },
          {
            "average": 91.96254727,
            "count": 10096673,
            "maximum": 209,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.04115167,
            "variance": 4230.351411
          },
          {
            "average": 6.524097294,
            "count": 10096673,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.552798576,
            "variance": 30.83357202
          },
          {
            "average": 63347980.76,
            "count": 10096673,
            "maximum": 63455250.3,
            "minimum": 63277327.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 64636.34263,
            "variance": 4177856789
          },
          {
            "average": 0,
            "count": 10096673,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10096673,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10096673,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10096673,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10096673,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.7739,
          2355998.444,
          0.7256228565,
          618999.7739,
          2356998.444,
          146.8056229
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.7739043235,
                2355998.4442344466,
                0.725622856497196
              ],
              [
                617999.7739043235,
                2356998.4442344466,
                0.725622856497196
              ],
              [
                618999.7739043235,
                2356998.4442344466,
                146.80562285649722
              ],
              [
                618999.7739043235,
                2355998.4442344466,
                146.80562285649722
              ],
              [
                617999.7739043235,
                2355998.4442344466,
                0.725622856497196
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:14:10+00:00",
        "end_time": "2013-09-15T10:48:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1856.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1856.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1856.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1856.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8623607,
            21.3019476,
            0.7256228565,
            -157.852651,
            21.31104657,
            146.8056229
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86236069653756,
                  21.302013039615012,
                  0.725622856497196
                ],
                [
                  -157.8622911363267,
                  21.31104657186709,
                  0.725622856497196
                ],
                [
                  -157.85265096821266,
                  21.310981103041396,
                  146.80562285649722
                ],
                [
                  -157.85272111770803,
                  21.30194760108052,
                  146.80562285649722
                ],
                [
                  -157.86236069653756,
                  21.302013039615012,
                  0.725622856497196
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1856.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1856.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:14:10Z",
            "pc:count": 10096673,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618426.4313,
                "count": 10096673,
                "maximum": 618999.7739,
                "minimum": 617999.7739,
                "name": "X",
                "position": 0,
                "stddev": 270.1420128,
                "variance": 72976.70709
              },
              {
                "average": 2356405.455,
                "count": 10096673,
                "maximum": 2356998.444,
                "minimum": 2355998.444,
                "name": "Y",
                "position": 1,
                "stddev": 250.6897308,
                "variance": 62845.34111
              },
              {
                "average": 14.54631626,
                "count": 10096673,
                "maximum": 146.8056229,
                "minimum": 0.7256228565,
                "name": "Z",
                "position": 2,
                "stddev": 17.85600921,
                "variance": 318.837065
              },
              {
                "average": 23.61411308,
                "count": 10096673,
                "maximum": 1020,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.04497925,
                "variance": 2308.320031
              },
              {
                "average": 1.428200458,
                "count": 10096673,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7487208737,
                "variance": 0.5605829466
              },
              {
                "average": 1.815824579,
                "count": 10096673,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.058047404,
                "variance": 1.119464308
              },
              {
                "average": 1,
                "count": 10096673,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10096673,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.141595751,
                "count": 10096673,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3486350622,
                "variance": 0.1215464066
              },
              {
                "average": 6.067476367,
                "count": 10096673,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.721958182,
                "variance": 94.51647089
              },
              {
                "average": 91.96254727,
                "count": 10096673,
                "maximum": 209,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.04115167,
                "variance": 4230.351411
              },
              {
                "average": 6.524097294,
                "count": 10096673,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.552798576,
                "variance": 30.83357202
              },
              {
                "average": 63347980.76,
                "count": 10096673,
                "maximum": 63455250.3,
                "minimum": 63277327.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 64636.34263,
                "variance": 4177856789
              },
              {
                "average": 0,
                "count": 10096673,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10096673,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10096673,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10096673,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10096673,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.7739,
              2355998.444,
              0.7256228565,
              618999.7739,
              2356998.444,
              146.8056229
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.7739043235,
                    2355998.4442344466,
                    0.725622856497196
                  ],
                  [
                    617999.7739043235,
                    2356998.4442344466,
                    0.725622856497196
                  ],
                  [
                    618999.7739043235,
                    2356998.4442344466,
                    146.80562285649722
                  ],
                  [
                    618999.7739043235,
                    2355998.4442344466,
                    146.80562285649722
                  ],
                  [
                    617999.7739043235,
                    2355998.4442344466,
                    0.725622856497196
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:14:10+00:00",
            "end_time": "2013-09-15T10:48:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1190.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.92099917200107,
              21.613866328433232,
              11.256174880878177
            ],
            [
              -157.92096413597775,
              21.618588436266688,
              11.256174880878177
            ],
            [
              -157.91786752509287,
              21.61856831395753,
              63.75617488087818
            ],
            [
              -157.91790266146208,
              21.613846211012138,
              63.75617488087818
            ],
            [
              -157.92099917200107,
              21.613866328433232,
              11.256174880878177
            ]
          ]
        ]
      },
      "bbox": [
        -157.9209992,
        21.61384621,
        11.25617488,
        -157.9178675,
        21.61858844,
        63.75617488
      ],
      "properties": {
        "datetime": "2013-09-22T02:25:47Z",
        "pc:count": 491222,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611884.0183,
            "count": 491222,
            "maximum": 611999.762,
            "minimum": 611679.222,
            "name": "X",
            "position": 0,
            "stddev": 85.43399332,
            "variance": 7298.967215
          },
          {
            "average": 2390820.721,
            "count": 491222,
            "maximum": 2390998.485,
            "minimum": 2390475.745,
            "name": "Y",
            "position": 1,
            "stddev": 135.1411642,
            "variance": 18263.13427
          },
          {
            "average": 30.31254862,
            "count": 491222,
            "maximum": 63.75617488,
            "minimum": 11.25617488,
            "name": "Z",
            "position": 2,
            "stddev": 13.6304637,
            "variance": 185.7895408
          },
          {
            "average": 13.14155311,
            "count": 491222,
            "maximum": 766,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.04426034,
            "variance": 531.0379345
          },
          {
            "average": 1.417721519,
            "count": 491222,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.751822136,
            "variance": 0.5652365242
          },
          {
            "average": 1.834482169,
            "count": 491222,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.063671894,
            "variance": 1.131397899
          },
          {
            "average": 1,
            "count": 491222,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 491222,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.115583178,
            "count": 491222,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3197247492,
            "variance": 0.1022239153
          },
          {
            "average": 20.21763856,
            "count": 491222,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.641429092,
            "variance": 2.694289464
          },
          {
            "average": 91.9975734,
            "count": 491222,
            "maximum": 193,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.62253576,
            "variance": 4438.562271
          },
          {
            "average": 13.85294633,
            "count": 491222,
            "maximum": 14,
            "minimum": 13,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3541597754,
            "variance": 0.1254291465
          },
          {
            "average": 63851878.72,
            "count": 491222,
            "maximum": 63851947.89,
            "minimum": 63851506.92,
            "name": "GpsTime",
            "position": 12,
            "stddev": 153.2970904,
            "variance": 23499.99792
          },
          {
            "average": 0,
            "count": 491222,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 491222,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 491222,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 491222,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 491222,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611679.222,
          2390475.745,
          11.25617488,
          611999.762,
          2390998.485,
          63.75617488
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611679.2220083384,
                2390475.7449757876,
                11.256174880878177
              ],
              [
                611679.2220083384,
                2390998.484975788,
                11.256174880878177
              ],
              [
                611999.7620083385,
                2390998.484975788,
                63.75617488087818
              ],
              [
                611999.7620083385,
                2390475.7449757876,
                63.75617488087818
              ],
              [
                611679.2220083384,
                2390475.7449757876,
                11.256174880878177
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:25:47+00:00",
        "end_time": "2013-09-22T02:18:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1190.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1190.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1190.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1190.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9209992,
            21.61384621,
            11.25617488,
            -157.9178675,
            21.61858844,
            63.75617488
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.92099917200107,
                  21.613866328433232,
                  11.256174880878177
                ],
                [
                  -157.92096413597775,
                  21.618588436266688,
                  11.256174880878177
                ],
                [
                  -157.91786752509287,
                  21.61856831395753,
                  63.75617488087818
                ],
                [
                  -157.91790266146208,
                  21.613846211012138,
                  63.75617488087818
                ],
                [
                  -157.92099917200107,
                  21.613866328433232,
                  11.256174880878177
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1190.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1190.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:25:47Z",
            "pc:count": 491222,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611884.0183,
                "count": 491222,
                "maximum": 611999.762,
                "minimum": 611679.222,
                "name": "X",
                "position": 0,
                "stddev": 85.43399332,
                "variance": 7298.967215
              },
              {
                "average": 2390820.721,
                "count": 491222,
                "maximum": 2390998.485,
                "minimum": 2390475.745,
                "name": "Y",
                "position": 1,
                "stddev": 135.1411642,
                "variance": 18263.13427
              },
              {
                "average": 30.31254862,
                "count": 491222,
                "maximum": 63.75617488,
                "minimum": 11.25617488,
                "name": "Z",
                "position": 2,
                "stddev": 13.6304637,
                "variance": 185.7895408
              },
              {
                "average": 13.14155311,
                "count": 491222,
                "maximum": 766,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.04426034,
                "variance": 531.0379345
              },
              {
                "average": 1.417721519,
                "count": 491222,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.751822136,
                "variance": 0.5652365242
              },
              {
                "average": 1.834482169,
                "count": 491222,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.063671894,
                "variance": 1.131397899
              },
              {
                "average": 1,
                "count": 491222,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 491222,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.115583178,
                "count": 491222,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3197247492,
                "variance": 0.1022239153
              },
              {
                "average": 20.21763856,
                "count": 491222,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.641429092,
                "variance": 2.694289464
              },
              {
                "average": 91.9975734,
                "count": 491222,
                "maximum": 193,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.62253576,
                "variance": 4438.562271
              },
              {
                "average": 13.85294633,
                "count": 491222,
                "maximum": 14,
                "minimum": 13,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3541597754,
                "variance": 0.1254291465
              },
              {
                "average": 63851878.72,
                "count": 491222,
                "maximum": 63851947.89,
                "minimum": 63851506.92,
                "name": "GpsTime",
                "position": 12,
                "stddev": 153.2970904,
                "variance": 23499.99792
              },
              {
                "average": 0,
                "count": 491222,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 491222,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 491222,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 491222,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 491222,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611679.222,
              2390475.745,
              11.25617488,
              611999.762,
              2390998.485,
              63.75617488
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611679.2220083384,
                    2390475.7449757876,
                    11.256174880878177
                  ],
                  [
                    611679.2220083384,
                    2390998.484975788,
                    11.256174880878177
                  ],
                  [
                    611999.7620083385,
                    2390998.484975788,
                    63.75617488087818
                  ],
                  [
                    611999.7620083385,
                    2390475.7449757876,
                    63.75617488087818
                  ],
                  [
                    611679.2220083384,
                    2390475.7449757876,
                    11.256174880878177
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:25:47+00:00",
            "end_time": "2013-09-22T02:18:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1955.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85279128490552,
              21.292913991893432,
              0.437653321285893
            ],
            [
              -157.85272116974076,
              21.301947686545674,
              0.437653321285893
            ],
            [
              -157.84308143734785,
              21.301881692444372,
              131.5376533212859
            ],
            [
              -157.8431521416269,
              21.292848028405512,
              131.5376533212859
            ],
            [
              -157.85279128490552,
              21.292913991893432,
              0.437653321285893
            ]
          ]
        ]
      },
      "bbox": [
        -157.8527913,
        21.29284803,
        0.4376533213,
        -157.8430814,
        21.30194769,
        131.5376533
      ],
      "properties": {
        "datetime": "2013-09-17T12:44:12Z",
        "pc:count": 6246711,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619481.02,
            "count": 6246711,
            "maximum": 619999.7884,
            "minimum": 618999.7684,
            "name": "X",
            "position": 0,
            "stddev": 287.8769449,
            "variance": 82873.13543
          },
          {
            "average": 2355481.424,
            "count": 6246711,
            "maximum": 2355998.454,
            "minimum": 2354998.434,
            "name": "Y",
            "position": 1,
            "stddev": 269.2828595,
            "variance": 72513.25843
          },
          {
            "average": 9.655614909,
            "count": 6246711,
            "maximum": 131.5376533,
            "minimum": 0.4376533213,
            "name": "Z",
            "position": 2,
            "stddev": 15.57917954,
            "variance": 242.7108352
          },
          {
            "average": 26.47608157,
            "count": 6246711,
            "maximum": 977,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 54.97894132,
            "variance": 3022.683989
          },
          {
            "average": 1.405813235,
            "count": 6246711,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7664337022,
            "variance": 0.5874206199
          },
          {
            "average": 1.811809767,
            "count": 6246711,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.1350345,
            "variance": 1.288303316
          },
          {
            "average": 1,
            "count": 6246711,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6246711,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.199469929,
            "count": 6246711,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3996019295,
            "variance": 0.159681702
          },
          {
            "average": 20.26920896,
            "count": 6246711,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.537157961,
            "variance": 12.51148644
          },
          {
            "average": 91.48915485,
            "count": 6246711,
            "maximum": 216,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.45568008,
            "variance": 4284.446055
          },
          {
            "average": 3.228174795,
            "count": 6246711,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.511662234,
            "variance": 2.28512271
          },
          {
            "average": 63279121.36,
            "count": 6246711,
            "maximum": 63457052.77,
            "minimum": 63277341.95,
            "name": "GpsTime",
            "position": 12,
            "stddev": 13940.03397,
            "variance": 194324547.1
          },
          {
            "average": 0,
            "count": 6246711,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6246711,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6246711,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6246711,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6246711,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.7684,
          2354998.434,
          0.4376533213,
          619999.7884,
          2355998.454,
          131.5376533
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.7684379488,
                2354998.433655585,
                0.437653321285893
              ],
              [
                618999.7684379488,
                2355998.4536555847,
                0.437653321285893
              ],
              [
                619999.7884379488,
                2355998.4536555847,
                131.5376533212859
              ],
              [
                619999.7884379488,
                2354998.433655585,
                131.5376533212859
              ],
              [
                618999.7684379488,
                2354998.433655585,
                0.437653321285893
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:44:12+00:00",
        "end_time": "2013-09-15T10:49:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1955.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1955.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1955.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1955.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8527913,
            21.29284803,
            0.4376533213,
            -157.8430814,
            21.30194769,
            131.5376533
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85279128490552,
                  21.292913991893432,
                  0.437653321285893
                ],
                [
                  -157.85272116974076,
                  21.301947686545674,
                  0.437653321285893
                ],
                [
                  -157.84308143734785,
                  21.301881692444372,
                  131.5376533212859
                ],
                [
                  -157.8431521416269,
                  21.292848028405512,
                  131.5376533212859
                ],
                [
                  -157.85279128490552,
                  21.292913991893432,
                  0.437653321285893
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1955.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1955.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:44:12Z",
            "pc:count": 6246711,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619481.02,
                "count": 6246711,
                "maximum": 619999.7884,
                "minimum": 618999.7684,
                "name": "X",
                "position": 0,
                "stddev": 287.8769449,
                "variance": 82873.13543
              },
              {
                "average": 2355481.424,
                "count": 6246711,
                "maximum": 2355998.454,
                "minimum": 2354998.434,
                "name": "Y",
                "position": 1,
                "stddev": 269.2828595,
                "variance": 72513.25843
              },
              {
                "average": 9.655614909,
                "count": 6246711,
                "maximum": 131.5376533,
                "minimum": 0.4376533213,
                "name": "Z",
                "position": 2,
                "stddev": 15.57917954,
                "variance": 242.7108352
              },
              {
                "average": 26.47608157,
                "count": 6246711,
                "maximum": 977,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 54.97894132,
                "variance": 3022.683989
              },
              {
                "average": 1.405813235,
                "count": 6246711,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7664337022,
                "variance": 0.5874206199
              },
              {
                "average": 1.811809767,
                "count": 6246711,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.1350345,
                "variance": 1.288303316
              },
              {
                "average": 1,
                "count": 6246711,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6246711,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.199469929,
                "count": 6246711,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3996019295,
                "variance": 0.159681702
              },
              {
                "average": 20.26920896,
                "count": 6246711,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.537157961,
                "variance": 12.51148644
              },
              {
                "average": 91.48915485,
                "count": 6246711,
                "maximum": 216,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.45568008,
                "variance": 4284.446055
              },
              {
                "average": 3.228174795,
                "count": 6246711,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.511662234,
                "variance": 2.28512271
              },
              {
                "average": 63279121.36,
                "count": 6246711,
                "maximum": 63457052.77,
                "minimum": 63277341.95,
                "name": "GpsTime",
                "position": 12,
                "stddev": 13940.03397,
                "variance": 194324547.1
              },
              {
                "average": 0,
                "count": 6246711,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6246711,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6246711,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6246711,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6246711,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.7684,
              2354998.434,
              0.4376533213,
              619999.7884,
              2355998.454,
              131.5376533
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.7684379488,
                    2354998.433655585,
                    0.437653321285893
                  ],
                  [
                    618999.7684379488,
                    2355998.4536555847,
                    0.437653321285893
                  ],
                  [
                    619999.7884379488,
                    2355998.4536555847,
                    131.5376533212859
                  ],
                  [
                    619999.7884379488,
                    2354998.433655585,
                    131.5376533212859
                  ],
                  [
                    618999.7684379488,
                    2354998.433655585,
                    0.437653321285893
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:44:12+00:00",
            "end_time": "2013-09-15T10:49:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0997.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.94645654554145,
              21.672954887577806,
              -13.996303137353443
            ],
            [
              -157.9463908975231,
              21.681988453694345,
              -13.996303137353443
            ],
            [
              -157.93672580995246,
              21.6819267902489,
              54.723696862646555
            ],
            [
              -157.93679206253069,
              21.67289325172387,
              54.723696862646555
            ],
            [
              -157.94645654554145,
              21.672954887577806,
              -13.996303137353443
            ]
          ]
        ]
      },
      "bbox": [
        -157.9464565,
        21.67289325,
        -13.99630314,
        -157.9367258,
        21.68198845,
        54.72369686
      ],
      "properties": {
        "datetime": "2013-09-22T01:53:38Z",
        "pc:count": 5145817,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609468.235,
            "count": 5145817,
            "maximum": 609999.7556,
            "minimum": 608999.7356,
            "name": "X",
            "position": 0,
            "stddev": 277.9855095,
            "variance": 77275.94348
          },
          {
            "average": 2397450.178,
            "count": 5145817,
            "maximum": 2397998.501,
            "minimum": 2396998.481,
            "name": "Y",
            "position": 1,
            "stddev": 281.2608332,
            "variance": 79107.65627
          },
          {
            "average": 6.459310576,
            "count": 5145817,
            "maximum": 54.72369686,
            "minimum": -13.99630314,
            "name": "Z",
            "position": 2,
            "stddev": 6.331035026,
            "variance": 40.0820045
          },
          {
            "average": 36.35395235,
            "count": 5145817,
            "maximum": 7866,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 63.29501035,
            "variance": 4006.258335
          },
          {
            "average": 1.27213735,
            "count": 5145817,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6883847675,
            "variance": 0.4738735881
          },
          {
            "average": 1.542773674,
            "count": 5145817,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.058341987,
            "variance": 1.120087762
          },
          {
            "average": 1,
            "count": 5145817,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5145817,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.873437979,
            "count": 5145817,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.30900714,
            "variance": 106.2756281
          },
          {
            "average": 20.04319379,
            "count": 5145817,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.69306819,
            "variance": 7.252616276
          },
          {
            "average": 91.50062857,
            "count": 5145817,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.13791692,
            "variance": 4374.224054
          },
          {
            "average": 6.245326252,
            "count": 5145817,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.417902791,
            "variance": 2.010448325
          },
          {
            "average": 63847552.43,
            "count": 5145817,
            "maximum": 63850018.25,
            "minimum": 63845344.76,
            "name": "GpsTime",
            "position": 12,
            "stddev": 780.2134669,
            "variance": 608733.0539
          },
          {
            "average": 0,
            "count": 5145817,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5145817,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5145817,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5145817,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5145817,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608999.7356,
          2396998.481,
          -13.99630314,
          609999.7556,
          2397998.501,
          54.72369686
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608999.7356168278,
                2396998.4809856303,
                -13.996303137353443
              ],
              [
                608999.7356168278,
                2397998.50098563,
                -13.996303137353443
              ],
              [
                609999.7556168279,
                2397998.50098563,
                54.723696862646555
              ],
              [
                609999.7556168279,
                2396998.4809856303,
                54.723696862646555
              ],
              [
                608999.7356168278,
                2396998.4809856303,
                -13.996303137353443
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:53:38+00:00",
        "end_time": "2013-09-22T00:35:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0997.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0997.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0997.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0997.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9464565,
            21.67289325,
            -13.99630314,
            -157.9367258,
            21.68198845,
            54.72369686
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.94645654554145,
                  21.672954887577806,
                  -13.996303137353443
                ],
                [
                  -157.9463908975231,
                  21.681988453694345,
                  -13.996303137353443
                ],
                [
                  -157.93672580995246,
                  21.6819267902489,
                  54.723696862646555
                ],
                [
                  -157.93679206253069,
                  21.67289325172387,
                  54.723696862646555
                ],
                [
                  -157.94645654554145,
                  21.672954887577806,
                  -13.996303137353443
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0997.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0997.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:53:38Z",
            "pc:count": 5145817,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609468.235,
                "count": 5145817,
                "maximum": 609999.7556,
                "minimum": 608999.7356,
                "name": "X",
                "position": 0,
                "stddev": 277.9855095,
                "variance": 77275.94348
              },
              {
                "average": 2397450.178,
                "count": 5145817,
                "maximum": 2397998.501,
                "minimum": 2396998.481,
                "name": "Y",
                "position": 1,
                "stddev": 281.2608332,
                "variance": 79107.65627
              },
              {
                "average": 6.459310576,
                "count": 5145817,
                "maximum": 54.72369686,
                "minimum": -13.99630314,
                "name": "Z",
                "position": 2,
                "stddev": 6.331035026,
                "variance": 40.0820045
              },
              {
                "average": 36.35395235,
                "count": 5145817,
                "maximum": 7866,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 63.29501035,
                "variance": 4006.258335
              },
              {
                "average": 1.27213735,
                "count": 5145817,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6883847675,
                "variance": 0.4738735881
              },
              {
                "average": 1.542773674,
                "count": 5145817,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.058341987,
                "variance": 1.120087762
              },
              {
                "average": 1,
                "count": 5145817,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5145817,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.873437979,
                "count": 5145817,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.30900714,
                "variance": 106.2756281
              },
              {
                "average": 20.04319379,
                "count": 5145817,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.69306819,
                "variance": 7.252616276
              },
              {
                "average": 91.50062857,
                "count": 5145817,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.13791692,
                "variance": 4374.224054
              },
              {
                "average": 6.245326252,
                "count": 5145817,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.417902791,
                "variance": 2.010448325
              },
              {
                "average": 63847552.43,
                "count": 5145817,
                "maximum": 63850018.25,
                "minimum": 63845344.76,
                "name": "GpsTime",
                "position": 12,
                "stddev": 780.2134669,
                "variance": 608733.0539
              },
              {
                "average": 0,
                "count": 5145817,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5145817,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5145817,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5145817,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5145817,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608999.7356,
              2396998.481,
              -13.99630314,
              609999.7556,
              2397998.501,
              54.72369686
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608999.7356168278,
                    2396998.4809856303,
                    -13.996303137353443
                  ],
                  [
                    608999.7356168278,
                    2397998.50098563,
                    -13.996303137353443
                  ],
                  [
                    609999.7556168279,
                    2397998.50098563,
                    54.723696862646555
                  ],
                  [
                    609999.7556168279,
                    2396998.4809856303,
                    54.723696862646555
                  ],
                  [
                    608999.7356168278,
                    2396998.4809856303,
                    -13.996303137353443
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:53:38+00:00",
            "end_time": "2013-09-22T00:35:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1687.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.87950332216087,
              21.582179828207966,
              -28.926322073919373
            ],
            [
              -157.87943382496363,
              21.59121257010687,
              -28.926322073919373
            ],
            [
              -157.86977517537707,
              21.591147272562928,
              -0.386322073919374
            ],
            [
              -157.86984527189855,
              21.582114560678328,
              -0.386322073919374
            ],
            [
              -157.87950332216087,
              21.582179828207966,
              -28.926322073919373
            ]
          ]
        ]
      },
      "bbox": [
        -157.8795033,
        21.58211456,
        -28.92632207,
        -157.8697752,
        21.59121257,
        -0.3863220739
      ],
      "properties": {
        "datetime": "2013-09-22T01:20:04Z",
        "pc:count": 2215212,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616369.0641,
            "count": 2215212,
            "maximum": 616999.7907,
            "minimum": 615999.7907,
            "name": "X",
            "position": 0,
            "stddev": 247.8598479,
            "variance": 61434.50418
          },
          {
            "average": 2387533.926,
            "count": 2215212,
            "maximum": 2387998.484,
            "minimum": 2386998.544,
            "name": "Y",
            "position": 1,
            "stddev": 241.9837597,
            "variance": 58556.13998
          },
          {
            "average": -5.793158232,
            "count": 2215212,
            "maximum": -0.3863220739,
            "minimum": -28.92632207,
            "name": "Z",
            "position": 2,
            "stddev": 3.82631945,
            "variance": 14.64072054
          },
          {
            "average": 9.221233002,
            "count": 2215212,
            "maximum": 7566,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.76449795,
            "variance": 473.6933712
          },
          {
            "average": 1.013083172,
            "count": 2215212,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1146277734,
            "variance": 0.01313952644
          },
          {
            "average": 1.015942492,
            "count": 2215212,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1263118226,
            "variance": 0.01595467653
          },
          {
            "average": 1,
            "count": 2215212,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2215212,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2215212,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.8360806,
            "count": 2215212,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.312428335,
            "variance": 10.97218147
          },
          {
            "average": 111.5663359,
            "count": 2215212,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 79.12567773,
            "variance": 6260.872876
          },
          {
            "average": 3.877714187,
            "count": 2215212,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.321385602,
            "variance": 1.74605991
          },
          {
            "average": 63846111.37,
            "count": 2215212,
            "maximum": 63848004.45,
            "minimum": 63832821.08,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1645.282848,
            "variance": 2706955.649
          },
          {
            "average": 0,
            "count": 2215212,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2215212,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2215212,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2215212,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2215212,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7907,
          2386998.544,
          -28.92632207,
          616999.7907,
          2387998.484,
          -0.3863220739
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.790707516,
                2386998.5444472837,
                -28.926322073919373
              ],
              [
                615999.790707516,
                2387998.484447284,
                -28.926322073919373
              ],
              [
                616999.790707516,
                2387998.484447284,
                -0.386322073919374
              ],
              [
                616999.790707516,
                2386998.5444472837,
                -0.386322073919374
              ],
              [
                615999.790707516,
                2386998.5444472837,
                -28.926322073919373
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:20:04+00:00",
        "end_time": "2013-09-21T21:07:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1687.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1687.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1687.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1687.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8795033,
            21.58211456,
            -28.92632207,
            -157.8697752,
            21.59121257,
            -0.3863220739
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.87950332216087,
                  21.582179828207966,
                  -28.926322073919373
                ],
                [
                  -157.87943382496363,
                  21.59121257010687,
                  -28.926322073919373
                ],
                [
                  -157.86977517537707,
                  21.591147272562928,
                  -0.386322073919374
                ],
                [
                  -157.86984527189855,
                  21.582114560678328,
                  -0.386322073919374
                ],
                [
                  -157.87950332216087,
                  21.582179828207966,
                  -28.926322073919373
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1687.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1687.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:20:04Z",
            "pc:count": 2215212,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616369.0641,
                "count": 2215212,
                "maximum": 616999.7907,
                "minimum": 615999.7907,
                "name": "X",
                "position": 0,
                "stddev": 247.8598479,
                "variance": 61434.50418
              },
              {
                "average": 2387533.926,
                "count": 2215212,
                "maximum": 2387998.484,
                "minimum": 2386998.544,
                "name": "Y",
                "position": 1,
                "stddev": 241.9837597,
                "variance": 58556.13998
              },
              {
                "average": -5.793158232,
                "count": 2215212,
                "maximum": -0.3863220739,
                "minimum": -28.92632207,
                "name": "Z",
                "position": 2,
                "stddev": 3.82631945,
                "variance": 14.64072054
              },
              {
                "average": 9.221233002,
                "count": 2215212,
                "maximum": 7566,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.76449795,
                "variance": 473.6933712
              },
              {
                "average": 1.013083172,
                "count": 2215212,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1146277734,
                "variance": 0.01313952644
              },
              {
                "average": 1.015942492,
                "count": 2215212,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1263118226,
                "variance": 0.01595467653
              },
              {
                "average": 1,
                "count": 2215212,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2215212,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2215212,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.8360806,
                "count": 2215212,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.312428335,
                "variance": 10.97218147
              },
              {
                "average": 111.5663359,
                "count": 2215212,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 79.12567773,
                "variance": 6260.872876
              },
              {
                "average": 3.877714187,
                "count": 2215212,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.321385602,
                "variance": 1.74605991
              },
              {
                "average": 63846111.37,
                "count": 2215212,
                "maximum": 63848004.45,
                "minimum": 63832821.08,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1645.282848,
                "variance": 2706955.649
              },
              {
                "average": 0,
                "count": 2215212,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2215212,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2215212,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2215212,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2215212,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7907,
              2386998.544,
              -28.92632207,
              616999.7907,
              2387998.484,
              -0.3863220739
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.790707516,
                    2386998.5444472837,
                    -28.926322073919373
                  ],
                  [
                    615999.790707516,
                    2387998.484447284,
                    -28.926322073919373
                  ],
                  [
                    616999.790707516,
                    2387998.484447284,
                    -0.386322073919374
                  ],
                  [
                    616999.790707516,
                    2386998.5444472837,
                    -0.386322073919374
                  ],
                  [
                    615999.790707516,
                    2386998.5444472837,
                    -28.926322073919373
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:20:04+00:00",
            "end_time": "2013-09-21T21:07:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1459.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90071778871447,
              21.329370188709053,
              -3.01071953166452
            ],
            [
              -157.90067795871866,
              21.334716285818597,
              -3.01071953166452
            ],
            [
              -157.8910361165056,
              21.33465294995773,
              30.109280468335477
            ],
            [
              -157.8910762948792,
              21.329306870349697,
              30.109280468335477
            ],
            [
              -157.90071778871447,
              21.329370188709053,
              -3.01071953166452
            ]
          ]
        ]
      },
      "bbox": [
        -157.9007178,
        21.32930687,
        -3.010719532,
        -157.8910361,
        21.33471629,
        30.10928047
      ],
      "properties": {
        "datetime": "2013-09-15T10:08:12Z",
        "pc:count": 2600314,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614484.2873,
            "count": 2600314,
            "maximum": 614999.7615,
            "minimum": 613999.7615,
            "name": "X",
            "position": 0,
            "stddev": 289.1606443,
            "variance": 83613.8782
          },
          {
            "average": 2359283.699,
            "count": 2600314,
            "maximum": 2359590.246,
            "minimum": 2358998.446,
            "name": "Y",
            "position": 1,
            "stddev": 145.0305378,
            "variance": 21033.8569
          },
          {
            "average": 4.336516152,
            "count": 2600314,
            "maximum": 30.10928047,
            "minimum": -3.010719532,
            "name": "Z",
            "position": 2,
            "stddev": 4.049139236,
            "variance": 16.39552856
          },
          {
            "average": 25.95130627,
            "count": 2600314,
            "maximum": 847,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.86591004,
            "variance": 1589.290784
          },
          {
            "average": 1.16819661,
            "count": 2600314,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4844740971,
            "variance": 0.2347151508
          },
          {
            "average": 1.31116819,
            "count": 2600314,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7009290948,
            "variance": 0.4913015959
          },
          {
            "average": 1,
            "count": 2600314,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2600314,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.922737792,
            "count": 2600314,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.074201609,
            "variance": 65.19273163
          },
          {
            "average": 0,
            "count": 2600314,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.44213276,
            "count": 2600314,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.01663518,
            "variance": 4227.16285
          },
          {
            "average": 2.299897628,
            "count": 2600314,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.209916913,
            "variance": 1.463898936
          },
          {
            "average": 63274100.21,
            "count": 2600314,
            "maximum": 63274892.75,
            "minimum": 63273545.41,
            "name": "GpsTime",
            "position": 12,
            "stddev": 519.3151937,
            "variance": 269688.2704
          },
          {
            "average": 0,
            "count": 2600314,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2600314,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2600314,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2600314,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2600314,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.7615,
          2358998.446,
          -3.010719532,
          614999.7615,
          2359590.246,
          30.10928047
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.7614651956,
                2358998.4460607297,
                -3.01071953166452
              ],
              [
                613999.7614651956,
                2359590.2460607295,
                -3.01071953166452
              ],
              [
                614999.7614651956,
                2359590.2460607295,
                30.109280468335477
              ],
              [
                614999.7614651956,
                2358998.4460607297,
                30.109280468335477
              ],
              [
                613999.7614651956,
                2358998.4460607297,
                -3.01071953166452
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:08:12+00:00",
        "end_time": "2013-09-15T09:45:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1459.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1459.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1459.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1459.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9007178,
            21.32930687,
            -3.010719532,
            -157.8910361,
            21.33471629,
            30.10928047
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90071778871447,
                  21.329370188709053,
                  -3.01071953166452
                ],
                [
                  -157.90067795871866,
                  21.334716285818597,
                  -3.01071953166452
                ],
                [
                  -157.8910361165056,
                  21.33465294995773,
                  30.109280468335477
                ],
                [
                  -157.8910762948792,
                  21.329306870349697,
                  30.109280468335477
                ],
                [
                  -157.90071778871447,
                  21.329370188709053,
                  -3.01071953166452
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1459.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1459.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:08:12Z",
            "pc:count": 2600314,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614484.2873,
                "count": 2600314,
                "maximum": 614999.7615,
                "minimum": 613999.7615,
                "name": "X",
                "position": 0,
                "stddev": 289.1606443,
                "variance": 83613.8782
              },
              {
                "average": 2359283.699,
                "count": 2600314,
                "maximum": 2359590.246,
                "minimum": 2358998.446,
                "name": "Y",
                "position": 1,
                "stddev": 145.0305378,
                "variance": 21033.8569
              },
              {
                "average": 4.336516152,
                "count": 2600314,
                "maximum": 30.10928047,
                "minimum": -3.010719532,
                "name": "Z",
                "position": 2,
                "stddev": 4.049139236,
                "variance": 16.39552856
              },
              {
                "average": 25.95130627,
                "count": 2600314,
                "maximum": 847,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.86591004,
                "variance": 1589.290784
              },
              {
                "average": 1.16819661,
                "count": 2600314,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4844740971,
                "variance": 0.2347151508
              },
              {
                "average": 1.31116819,
                "count": 2600314,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7009290948,
                "variance": 0.4913015959
              },
              {
                "average": 1,
                "count": 2600314,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2600314,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.922737792,
                "count": 2600314,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.074201609,
                "variance": 65.19273163
              },
              {
                "average": 0,
                "count": 2600314,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.44213276,
                "count": 2600314,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.01663518,
                "variance": 4227.16285
              },
              {
                "average": 2.299897628,
                "count": 2600314,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.209916913,
                "variance": 1.463898936
              },
              {
                "average": 63274100.21,
                "count": 2600314,
                "maximum": 63274892.75,
                "minimum": 63273545.41,
                "name": "GpsTime",
                "position": 12,
                "stddev": 519.3151937,
                "variance": 269688.2704
              },
              {
                "average": 0,
                "count": 2600314,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2600314,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2600314,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2600314,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2600314,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.7615,
              2358998.446,
              -3.010719532,
              614999.7615,
              2359590.246,
              30.10928047
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.7614651956,
                    2358998.4460607297,
                    -3.01071953166452
                  ],
                  [
                    613999.7614651956,
                    2359590.2460607295,
                    -3.01071953166452
                  ],
                  [
                    614999.7614651956,
                    2359590.2460607295,
                    30.109280468335477
                  ],
                  [
                    614999.7614651956,
                    2358998.4460607297,
                    30.109280468335477
                  ],
                  [
                    613999.7614651956,
                    2358998.4460607297,
                    -3.01071953166452
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:08:12+00:00",
            "end_time": "2013-09-15T09:45:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1292.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9178002680926,
              21.627601653905415,
              -17.854134613896036
            ],
            [
              -157.91773299068637,
              21.636635004405328,
              -17.854134613896036
            ],
            [
              -157.90807120893408,
              21.63657179904463,
              0.425865386103965
            ],
            [
              -157.90813908606106,
              21.627538477793966,
              0.425865386103965
            ],
            [
              -157.9178002680926,
              21.627601653905415,
              -17.854134613896036
            ]
          ]
        ]
      },
      "bbox": [
        -157.9178003,
        21.62753848,
        -17.85413461,
        -157.9080712,
        21.636635,
        0.4258653861
      ],
      "properties": {
        "datetime": "2013-09-22T02:03:06Z",
        "pc:count": 2688291,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612555.7782,
            "count": 2688291,
            "maximum": 612999.7647,
            "minimum": 611999.7647,
            "name": "X",
            "position": 0,
            "stddev": 282.0146413,
            "variance": 79532.25791
          },
          {
            "average": 2392470.904,
            "count": 2688291,
            "maximum": 2392998.483,
            "minimum": 2391998.483,
            "name": "Y",
            "position": 1,
            "stddev": 300.2362307,
            "variance": 90141.79423
          },
          {
            "average": -5.222313762,
            "count": 2688291,
            "maximum": 0.4258653861,
            "minimum": -17.85413461,
            "name": "Z",
            "position": 2,
            "stddev": 2.863906144,
            "variance": 8.201958403
          },
          {
            "average": 6.873896464,
            "count": 2688291,
            "maximum": 7647,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.93335665,
            "variance": 286.7385675
          },
          {
            "average": 1.01469521,
            "count": 2688291,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1215294745,
            "variance": 0.01476941317
          },
          {
            "average": 1.021566862,
            "count": 2688291,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1468383866,
            "variance": 0.02156151178
          },
          {
            "average": 1,
            "count": 2688291,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2688291,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2688291,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.87326916,
            "count": 2688291,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.788432063,
            "variance": 7.775353373
          },
          {
            "average": 110.2461821,
            "count": 2688291,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 78.15591746,
            "variance": 6108.347434
          },
          {
            "average": 6.64323282,
            "count": 2688291,
            "maximum": 11,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.402419833,
            "variance": 1.966781388
          },
          {
            "average": 63847816.68,
            "count": 2688291,
            "maximum": 63850586.28,
            "minimum": 63845772.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 839.807394,
            "variance": 705276.4591
          },
          {
            "average": 0,
            "count": 2688291,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2688291,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2688291,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2688291,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2688291,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7647,
          2391998.483,
          -17.85413461,
          612999.7647,
          2392998.483,
          0.4258653861
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7647422599,
                2391998.4830343644,
                -17.854134613896036
              ],
              [
                611999.7647422599,
                2392998.4830343644,
                -17.854134613896036
              ],
              [
                612999.7647422599,
                2392998.4830343644,
                0.425865386103965
              ],
              [
                612999.7647422599,
                2391998.4830343644,
                0.425865386103965
              ],
              [
                611999.7647422599,
                2391998.4830343644,
                -17.854134613896036
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:03:06+00:00",
        "end_time": "2013-09-22T00:42:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1292.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1292.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1292.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1292.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9178003,
            21.62753848,
            -17.85413461,
            -157.9080712,
            21.636635,
            0.4258653861
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9178002680926,
                  21.627601653905415,
                  -17.854134613896036
                ],
                [
                  -157.91773299068637,
                  21.636635004405328,
                  -17.854134613896036
                ],
                [
                  -157.90807120893408,
                  21.63657179904463,
                  0.425865386103965
                ],
                [
                  -157.90813908606106,
                  21.627538477793966,
                  0.425865386103965
                ],
                [
                  -157.9178002680926,
                  21.627601653905415,
                  -17.854134613896036
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1292.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1292.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:03:06Z",
            "pc:count": 2688291,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612555.7782,
                "count": 2688291,
                "maximum": 612999.7647,
                "minimum": 611999.7647,
                "name": "X",
                "position": 0,
                "stddev": 282.0146413,
                "variance": 79532.25791
              },
              {
                "average": 2392470.904,
                "count": 2688291,
                "maximum": 2392998.483,
                "minimum": 2391998.483,
                "name": "Y",
                "position": 1,
                "stddev": 300.2362307,
                "variance": 90141.79423
              },
              {
                "average": -5.222313762,
                "count": 2688291,
                "maximum": 0.4258653861,
                "minimum": -17.85413461,
                "name": "Z",
                "position": 2,
                "stddev": 2.863906144,
                "variance": 8.201958403
              },
              {
                "average": 6.873896464,
                "count": 2688291,
                "maximum": 7647,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.93335665,
                "variance": 286.7385675
              },
              {
                "average": 1.01469521,
                "count": 2688291,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1215294745,
                "variance": 0.01476941317
              },
              {
                "average": 1.021566862,
                "count": 2688291,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1468383866,
                "variance": 0.02156151178
              },
              {
                "average": 1,
                "count": 2688291,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2688291,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2688291,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.87326916,
                "count": 2688291,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.788432063,
                "variance": 7.775353373
              },
              {
                "average": 110.2461821,
                "count": 2688291,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 78.15591746,
                "variance": 6108.347434
              },
              {
                "average": 6.64323282,
                "count": 2688291,
                "maximum": 11,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.402419833,
                "variance": 1.966781388
              },
              {
                "average": 63847816.68,
                "count": 2688291,
                "maximum": 63850586.28,
                "minimum": 63845772.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 839.807394,
                "variance": 705276.4591
              },
              {
                "average": 0,
                "count": 2688291,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2688291,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2688291,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2688291,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2688291,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7647,
              2391998.483,
              -17.85413461,
              612999.7647,
              2392998.483,
              0.4258653861
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7647422599,
                    2391998.4830343644,
                    -17.854134613896036
                  ],
                  [
                    611999.7647422599,
                    2392998.4830343644,
                    -17.854134613896036
                  ],
                  [
                    612999.7647422599,
                    2392998.4830343644,
                    0.425865386103965
                  ],
                  [
                    612999.7647422599,
                    2391998.4830343644,
                    0.425865386103965
                  ],
                  [
                    611999.7647422599,
                    2391998.4830343644,
                    -17.854134613896036
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:03:06+00:00",
            "end_time": "2013-09-22T00:42:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1191.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9275281501061,
              21.618630908008846,
              -10.48950927761274
            ],
            [
              -157.92746150784214,
              21.627664297450348,
              -10.48950927761274
            ],
            [
              -157.91780030463076,
              21.627601679424334,
              135.79049072238726
            ],
            [
              -157.91786753534805,
              21.618568321766908,
              135.79049072238726
            ],
            [
              -157.9275281501061,
              21.618630908008846,
              -10.48950927761274
            ]
          ]
        ]
      },
      "bbox": [
        -157.9275282,
        21.61856832,
        -10.48950928,
        -157.9178003,
        21.6276643,
        135.7904907
      ],
      "properties": {
        "datetime": "2013-09-22T02:25:42Z",
        "pc:count": 4363678,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 611653.7257,
            "count": 4363678,
            "maximum": 611999.7609,
            "minimum": 610999.7609,
            "name": "X",
            "position": 0,
            "stddev": 219.1201524,
            "variance": 48013.64118
          },
          {
            "average": 2391565.366,
            "count": 4363678,
            "maximum": 2391998.486,
            "minimum": 2390998.486,
            "name": "Y",
            "position": 1,
            "stddev": 272.897926,
            "variance": 74473.27801
          },
          {
            "average": 22.04855287,
            "count": 4363678,
            "maximum": 135.7904907,
            "minimum": -10.48950928,
            "name": "Z",
            "position": 2,
            "stddev": 21.04138665,
            "variance": 442.739952
          },
          {
            "average": 12.96097375,
            "count": 4363678,
            "maximum": 3861,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.53783032,
            "variance": 932.5590808
          },
          {
            "average": 1.447416148,
            "count": 4363678,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7922086182,
            "variance": 0.6275944947
          },
          {
            "average": 1.894452111,
            "count": 4363678,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.130059917,
            "variance": 1.277035415
          },
          {
            "average": 1,
            "count": 4363678,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4363678,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.388629958,
            "count": 4363678,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.624515681,
            "variance": 58.13323937
          },
          {
            "average": 20.17785663,
            "count": 4363678,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.543661985,
            "variance": 6.470216296
          },
          {
            "average": 91.755157,
            "count": 4363678,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.91930326,
            "variance": 4478.193149
          },
          {
            "average": 13.01237351,
            "count": 4363678,
            "maximum": 14,
            "minimum": 10,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9764065794,
            "variance": 0.9533698083
          },
          {
            "average": 63851496.05,
            "count": 4363678,
            "maximum": 63851942.01,
            "minimum": 63850099.61,
            "name": "GpsTime",
            "position": 12,
            "stddev": 435.8733217,
            "variance": 189985.5525
          },
          {
            "average": 0,
            "count": 4363678,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4363678,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4363678,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4363678,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4363678,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          610999.7609,
          2390998.486,
          -10.48950928,
          611999.7609,
          2391998.486,
          135.7904907
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                610999.7609408288,
                2390998.4858328626,
                -10.48950927761274
              ],
              [
                610999.7609408288,
                2391998.4858328626,
                -10.48950927761274
              ],
              [
                611999.7609408288,
                2391998.4858328626,
                135.79049072238726
              ],
              [
                611999.7609408288,
                2390998.4858328626,
                135.79049072238726
              ],
              [
                610999.7609408288,
                2390998.4858328626,
                -10.48950927761274
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:25:42+00:00",
        "end_time": "2013-09-22T01:54:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1191.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1191.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1191.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1191.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9275282,
            21.61856832,
            -10.48950928,
            -157.9178003,
            21.6276643,
            135.7904907
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9275281501061,
                  21.618630908008846,
                  -10.48950927761274
                ],
                [
                  -157.92746150784214,
                  21.627664297450348,
                  -10.48950927761274
                ],
                [
                  -157.91780030463076,
                  21.627601679424334,
                  135.79049072238726
                ],
                [
                  -157.91786753534805,
                  21.618568321766908,
                  135.79049072238726
                ],
                [
                  -157.9275281501061,
                  21.618630908008846,
                  -10.48950927761274
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1191.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1191.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:25:42Z",
            "pc:count": 4363678,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 611653.7257,
                "count": 4363678,
                "maximum": 611999.7609,
                "minimum": 610999.7609,
                "name": "X",
                "position": 0,
                "stddev": 219.1201524,
                "variance": 48013.64118
              },
              {
                "average": 2391565.366,
                "count": 4363678,
                "maximum": 2391998.486,
                "minimum": 2390998.486,
                "name": "Y",
                "position": 1,
                "stddev": 272.897926,
                "variance": 74473.27801
              },
              {
                "average": 22.04855287,
                "count": 4363678,
                "maximum": 135.7904907,
                "minimum": -10.48950928,
                "name": "Z",
                "position": 2,
                "stddev": 21.04138665,
                "variance": 442.739952
              },
              {
                "average": 12.96097375,
                "count": 4363678,
                "maximum": 3861,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.53783032,
                "variance": 932.5590808
              },
              {
                "average": 1.447416148,
                "count": 4363678,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7922086182,
                "variance": 0.6275944947
              },
              {
                "average": 1.894452111,
                "count": 4363678,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.130059917,
                "variance": 1.277035415
              },
              {
                "average": 1,
                "count": 4363678,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4363678,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.388629958,
                "count": 4363678,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.624515681,
                "variance": 58.13323937
              },
              {
                "average": 20.17785663,
                "count": 4363678,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.543661985,
                "variance": 6.470216296
              },
              {
                "average": 91.755157,
                "count": 4363678,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.91930326,
                "variance": 4478.193149
              },
              {
                "average": 13.01237351,
                "count": 4363678,
                "maximum": 14,
                "minimum": 10,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9764065794,
                "variance": 0.9533698083
              },
              {
                "average": 63851496.05,
                "count": 4363678,
                "maximum": 63851942.01,
                "minimum": 63850099.61,
                "name": "GpsTime",
                "position": 12,
                "stddev": 435.8733217,
                "variance": 189985.5525
              },
              {
                "average": 0,
                "count": 4363678,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4363678,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4363678,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4363678,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4363678,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              610999.7609,
              2390998.486,
              -10.48950928,
              611999.7609,
              2391998.486,
              135.7904907
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    610999.7609408288,
                    2390998.4858328626,
                    -10.48950927761274
                  ],
                  [
                    610999.7609408288,
                    2391998.4858328626,
                    -10.48950927761274
                  ],
                  [
                    611999.7609408288,
                    2391998.4858328626,
                    135.79049072238726
                  ],
                  [
                    611999.7609408288,
                    2390998.4858328626,
                    135.79049072238726
                  ],
                  [
                    610999.7609408288,
                    2390998.4858328626,
                    -10.48950927761274
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:25:42+00:00",
            "end_time": "2013-09-22T01:54:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1586.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88923034203503,
              21.5732106692092,
              -10.929778847367862
            ],
            [
              -157.8891614664984,
              21.582243995432002,
              -10.929778847367862
            ],
            [
              -157.8795033811777,
              21.58217928710054,
              38.71022115263214
            ],
            [
              -157.87957285543905,
              21.573145990674107,
              38.71022115263214
            ],
            [
              -157.88923034203503,
              21.5732106692092,
              -10.929778847367862
            ]
          ]
        ]
      },
      "bbox": [
        -157.8892303,
        21.57314599,
        -10.92977885,
        -157.8795034,
        21.582244,
        38.71022115
      ],
      "properties": {
        "datetime": "2013-09-22T02:27:05Z",
        "pc:count": 5130348,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615452.0975,
            "count": 5130348,
            "maximum": 615999.785,
            "minimum": 614999.785,
            "name": "X",
            "position": 0,
            "stddev": 290.780189,
            "variance": 84553.11832
          },
          {
            "average": 2386450.85,
            "count": 5130348,
            "maximum": 2386998.485,
            "minimum": 2385998.485,
            "name": "Y",
            "position": 1,
            "stddev": 278.770567,
            "variance": 77713.029
          },
          {
            "average": 5.496825549,
            "count": 5130348,
            "maximum": 38.71022115,
            "minimum": -10.92977885,
            "name": "Z",
            "position": 2,
            "stddev": 5.839635867,
            "variance": 34.10134705
          },
          {
            "average": 14.7645189,
            "count": 5130348,
            "maximum": 1809,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.09741672,
            "variance": 629.8803261
          },
          {
            "average": 1.308929531,
            "count": 5130348,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.67084371,
            "variance": 0.4500312832
          },
          {
            "average": 1.616948207,
            "count": 5130348,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9864777904,
            "variance": 0.973138431
          },
          {
            "average": 1,
            "count": 5130348,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5130348,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.482752242,
            "count": 5130348,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.95388501,
            "variance": 119.9875967
          },
          {
            "average": 20.17632325,
            "count": 5130348,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.41556594,
            "variance": 5.834958809
          },
          {
            "average": 91.71511523,
            "count": 5130348,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.78727832,
            "variance": 4595.115102
          },
          {
            "average": 10.79080795,
            "count": 5130348,
            "maximum": 14,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.470959986,
            "variance": 2.16372328
          },
          {
            "average": 63850503.04,
            "count": 5130348,
            "maximum": 63852025.13,
            "minimum": 63847999.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 799.1877985,
            "variance": 638701.1373
          },
          {
            "average": 0,
            "count": 5130348,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5130348,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5130348,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5130348,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5130348,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.785,
          2385998.485,
          -10.92977885,
          615999.785,
          2386998.485,
          38.71022115
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.7850281423,
                2385998.48450494,
                -10.929778847367862
              ],
              [
                614999.7850281423,
                2386998.48450494,
                -10.929778847367862
              ],
              [
                615999.7850281423,
                2386998.48450494,
                38.71022115263214
              ],
              [
                615999.7850281423,
                2385998.48450494,
                38.71022115263214
              ],
              [
                614999.7850281423,
                2385998.48450494,
                -10.929778847367862
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:27:05+00:00",
        "end_time": "2013-09-22T01:19:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1586.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1586.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1586.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1586.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8892303,
            21.57314599,
            -10.92977885,
            -157.8795034,
            21.582244,
            38.71022115
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88923034203503,
                  21.5732106692092,
                  -10.929778847367862
                ],
                [
                  -157.8891614664984,
                  21.582243995432002,
                  -10.929778847367862
                ],
                [
                  -157.8795033811777,
                  21.58217928710054,
                  38.71022115263214
                ],
                [
                  -157.87957285543905,
                  21.573145990674107,
                  38.71022115263214
                ],
                [
                  -157.88923034203503,
                  21.5732106692092,
                  -10.929778847367862
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1586.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1586.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:27:05Z",
            "pc:count": 5130348,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615452.0975,
                "count": 5130348,
                "maximum": 615999.785,
                "minimum": 614999.785,
                "name": "X",
                "position": 0,
                "stddev": 290.780189,
                "variance": 84553.11832
              },
              {
                "average": 2386450.85,
                "count": 5130348,
                "maximum": 2386998.485,
                "minimum": 2385998.485,
                "name": "Y",
                "position": 1,
                "stddev": 278.770567,
                "variance": 77713.029
              },
              {
                "average": 5.496825549,
                "count": 5130348,
                "maximum": 38.71022115,
                "minimum": -10.92977885,
                "name": "Z",
                "position": 2,
                "stddev": 5.839635867,
                "variance": 34.10134705
              },
              {
                "average": 14.7645189,
                "count": 5130348,
                "maximum": 1809,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.09741672,
                "variance": 629.8803261
              },
              {
                "average": 1.308929531,
                "count": 5130348,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.67084371,
                "variance": 0.4500312832
              },
              {
                "average": 1.616948207,
                "count": 5130348,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9864777904,
                "variance": 0.973138431
              },
              {
                "average": 1,
                "count": 5130348,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5130348,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.482752242,
                "count": 5130348,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.95388501,
                "variance": 119.9875967
              },
              {
                "average": 20.17632325,
                "count": 5130348,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.41556594,
                "variance": 5.834958809
              },
              {
                "average": 91.71511523,
                "count": 5130348,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.78727832,
                "variance": 4595.115102
              },
              {
                "average": 10.79080795,
                "count": 5130348,
                "maximum": 14,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.470959986,
                "variance": 2.16372328
              },
              {
                "average": 63850503.04,
                "count": 5130348,
                "maximum": 63852025.13,
                "minimum": 63847999.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 799.1877985,
                "variance": 638701.1373
              },
              {
                "average": 0,
                "count": 5130348,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5130348,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5130348,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5130348,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5130348,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.785,
              2385998.485,
              -10.92977885,
              615999.785,
              2386998.485,
              38.71022115
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.7850281423,
                    2385998.48450494,
                    -10.929778847367862
                  ],
                  [
                    614999.7850281423,
                    2386998.48450494,
                    -10.929778847367862
                  ],
                  [
                    615999.7850281423,
                    2386998.48450494,
                    38.71022115263214
                  ],
                  [
                    615999.7850281423,
                    2385998.48450494,
                    38.71022115263214
                  ],
                  [
                    614999.7850281423,
                    2385998.48450494,
                    -10.929778847367862
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:27:05+00:00",
            "end_time": "2013-09-22T01:19:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1485.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89076520246655,
              21.57095816174932,
              3.639876337015997
            ],
            [
              -157.89074798145185,
              21.57322083156592,
              3.639876337015997
            ],
            [
              -157.8892304008457,
              21.57321071882997,
              31.299876337015995
            ],
            [
              -157.8892476454051,
              21.570948050185493,
              31.299876337015995
            ],
            [
              -157.89076520246655,
              21.57095816174932,
              3.639876337015997
            ]
          ]
        ]
      },
      "bbox": [
        -157.8907652,
        21.57094805,
        3.639876337,
        -157.8892304,
        21.57322083,
        31.29987634
      ],
      "properties": {
        "datetime": "2013-09-22T02:27:05Z",
        "pc:count": 109354,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614939.312,
            "count": 109354,
            "maximum": 614999.7789,
            "minimum": 614842.6389,
            "name": "X",
            "position": 0,
            "stddev": 41.00391119,
            "variance": 1681.320733
          },
          {
            "average": 2385897.764,
            "count": 109354,
            "maximum": 2385998.49,
            "minimum": 2385748.01,
            "name": "Y",
            "position": 1,
            "stddev": 63.91032726,
            "variance": 4084.529931
          },
          {
            "average": 14.3743454,
            "count": 109354,
            "maximum": 31.29987634,
            "minimum": 3.639876337,
            "name": "Z",
            "position": 2,
            "stddev": 6.018138947,
            "variance": 36.21799639
          },
          {
            "average": 9.794977779,
            "count": 109354,
            "maximum": 301,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.57985087,
            "variance": 242.7317531
          },
          {
            "average": 1.516378002,
            "count": 109354,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8084329556,
            "variance": 0.6535638437
          },
          {
            "average": 2.030049198,
            "count": 109354,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.09672018,
            "variance": 1.202795153
          },
          {
            "average": 1,
            "count": 109354,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 109354,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.131856174,
            "count": 109354,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3383358831,
            "variance": 0.1144711698
          },
          {
            "average": 20.00231108,
            "count": 109354,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.733067258,
            "variance": 3.003522122
          },
          {
            "average": 91.44693381,
            "count": 109354,
            "maximum": 192,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.80207574,
            "variance": 4597.121474
          },
          {
            "average": 14,
            "count": 109354,
            "maximum": 14,
            "minimum": 14,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63852023.25,
            "count": 109354,
            "maximum": 63852025.89,
            "minimum": 63852020.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.415606975,
            "variance": 2.003943107
          },
          {
            "average": 0,
            "count": 109354,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 109354,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 109354,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 109354,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 109354,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614842.6389,
          2385748.01,
          3.639876337,
          614999.7789,
          2385998.49,
          31.29987634
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614842.6388996585,
                2385748.009954326,
                3.639876337015997
              ],
              [
                614842.6388996585,
                2385998.4899543263,
                3.639876337015997
              ],
              [
                614999.7788996584,
                2385998.4899543263,
                31.299876337015995
              ],
              [
                614999.7788996584,
                2385748.009954326,
                31.299876337015995
              ],
              [
                614842.6388996585,
                2385748.009954326,
                3.639876337015997
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:27:05+00:00",
        "end_time": "2013-09-22T02:27:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1485.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1485.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1485.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1485.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8907652,
            21.57094805,
            3.639876337,
            -157.8892304,
            21.57322083,
            31.29987634
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89076520246655,
                  21.57095816174932,
                  3.639876337015997
                ],
                [
                  -157.89074798145185,
                  21.57322083156592,
                  3.639876337015997
                ],
                [
                  -157.8892304008457,
                  21.57321071882997,
                  31.299876337015995
                ],
                [
                  -157.8892476454051,
                  21.570948050185493,
                  31.299876337015995
                ],
                [
                  -157.89076520246655,
                  21.57095816174932,
                  3.639876337015997
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1485.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1485.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:27:05Z",
            "pc:count": 109354,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614939.312,
                "count": 109354,
                "maximum": 614999.7789,
                "minimum": 614842.6389,
                "name": "X",
                "position": 0,
                "stddev": 41.00391119,
                "variance": 1681.320733
              },
              {
                "average": 2385897.764,
                "count": 109354,
                "maximum": 2385998.49,
                "minimum": 2385748.01,
                "name": "Y",
                "position": 1,
                "stddev": 63.91032726,
                "variance": 4084.529931
              },
              {
                "average": 14.3743454,
                "count": 109354,
                "maximum": 31.29987634,
                "minimum": 3.639876337,
                "name": "Z",
                "position": 2,
                "stddev": 6.018138947,
                "variance": 36.21799639
              },
              {
                "average": 9.794977779,
                "count": 109354,
                "maximum": 301,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.57985087,
                "variance": 242.7317531
              },
              {
                "average": 1.516378002,
                "count": 109354,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8084329556,
                "variance": 0.6535638437
              },
              {
                "average": 2.030049198,
                "count": 109354,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.09672018,
                "variance": 1.202795153
              },
              {
                "average": 1,
                "count": 109354,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 109354,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.131856174,
                "count": 109354,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3383358831,
                "variance": 0.1144711698
              },
              {
                "average": 20.00231108,
                "count": 109354,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.733067258,
                "variance": 3.003522122
              },
              {
                "average": 91.44693381,
                "count": 109354,
                "maximum": 192,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.80207574,
                "variance": 4597.121474
              },
              {
                "average": 14,
                "count": 109354,
                "maximum": 14,
                "minimum": 14,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63852023.25,
                "count": 109354,
                "maximum": 63852025.89,
                "minimum": 63852020.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.415606975,
                "variance": 2.003943107
              },
              {
                "average": 0,
                "count": 109354,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 109354,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 109354,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 109354,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 109354,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614842.6389,
              2385748.01,
              3.639876337,
              614999.7789,
              2385998.49,
              31.29987634
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614842.6388996585,
                    2385748.009954326,
                    3.639876337015997
                  ],
                  [
                    614842.6388996585,
                    2385998.4899543263,
                    3.639876337015997
                  ],
                  [
                    614999.7788996584,
                    2385998.4899543263,
                    31.299876337015995
                  ],
                  [
                    614999.7788996584,
                    2385748.009954326,
                    31.299876337015995
                  ],
                  [
                    614842.6388996585,
                    2385748.009954326,
                    3.639876337015997
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:27:05+00:00",
            "end_time": "2013-09-22T02:27:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1688.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.879433807424,
              21.591212568539984,
              -55.48522347146604
            ],
            [
              -157.8793642712945,
              21.60024584200721,
              -55.48522347146604
            ],
            [
              -157.8697050216656,
              21.60018051454477,
              -4.885223471466038
            ],
            [
              -157.86977515783758,
              21.59114727099503,
              -4.885223471466038
            ],
            [
              -157.879433807424,
              21.591212568539984,
              -55.48522347146604
            ]
          ]
        ]
      },
      "bbox": [
        -157.8794338,
        21.59114727,
        -55.48522347,
        -157.869705,
        21.60024584,
        -4.885223471
      ],
      "properties": {
        "datetime": "2013-09-22T00:52:03Z",
        "pc:count": 1509858,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616332.714,
            "count": 1509858,
            "maximum": 616999.7925,
            "minimum": 615999.7925,
            "name": "X",
            "position": 0,
            "stddev": 258.6144895,
            "variance": 66881.45418
          },
          {
            "average": 2388416.793,
            "count": 1509858,
            "maximum": 2388998.484,
            "minimum": 2387998.484,
            "name": "Y",
            "position": 1,
            "stddev": 274.7316252,
            "variance": 75477.46587
          },
          {
            "average": -13.99310673,
            "count": 1509858,
            "maximum": -4.885223471,
            "minimum": -55.48522347,
            "name": "Z",
            "position": 2,
            "stddev": 8.463026307,
            "variance": 71.62281428
          },
          {
            "average": 93.42683484,
            "count": 1509858,
            "maximum": 5754,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 217.6056077,
            "variance": 47352.20049
          },
          {
            "average": 1.002934051,
            "count": 1509858,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05494991062,
            "variance": 0.003019492677
          },
          {
            "average": 1.00321156,
            "count": 1509858,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05788722953,
            "variance": 0.003350931343
          },
          {
            "average": 1,
            "count": 1509858,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1509858,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1509858,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.43087362,
            "count": 1509858,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.835210111,
            "variance": 46.72009727
          },
          {
            "average": 147.5465587,
            "count": 1509858,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 83.84032,
            "variance": 7029.199258
          },
          {
            "average": 2.772026906,
            "count": 1509858,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.640551905,
            "variance": 2.691410554
          },
          {
            "average": 63842642.45,
            "count": 1509858,
            "maximum": 63846323.13,
            "minimum": 63830831.82,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5203.847864,
            "variance": 27080032.59
          },
          {
            "average": 0,
            "count": 1509858,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1509858,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1509858,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1509858,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1509858,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7925,
          2387998.484,
          -55.48522347,
          616999.7925,
          2388998.484,
          -4.885223471
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.7925246195,
                2387998.484286906,
                -55.48522347146604
              ],
              [
                615999.7925246195,
                2388998.484286906,
                -55.48522347146604
              ],
              [
                616999.7925246195,
                2388998.484286906,
                -4.885223471466038
              ],
              [
                616999.7925246195,
                2387998.484286906,
                -4.885223471466038
              ],
              [
                615999.7925246195,
                2387998.484286906,
                -55.48522347146604
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:52:03+00:00",
        "end_time": "2013-09-21T20:33:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1688.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1688.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1688.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1688.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8794338,
            21.59114727,
            -55.48522347,
            -157.869705,
            21.60024584,
            -4.885223471
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.879433807424,
                  21.591212568539984,
                  -55.48522347146604
                ],
                [
                  -157.8793642712945,
                  21.60024584200721,
                  -55.48522347146604
                ],
                [
                  -157.8697050216656,
                  21.60018051454477,
                  -4.885223471466038
                ],
                [
                  -157.86977515783758,
                  21.59114727099503,
                  -4.885223471466038
                ],
                [
                  -157.879433807424,
                  21.591212568539984,
                  -55.48522347146604
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1688.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1688.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:52:03Z",
            "pc:count": 1509858,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616332.714,
                "count": 1509858,
                "maximum": 616999.7925,
                "minimum": 615999.7925,
                "name": "X",
                "position": 0,
                "stddev": 258.6144895,
                "variance": 66881.45418
              },
              {
                "average": 2388416.793,
                "count": 1509858,
                "maximum": 2388998.484,
                "minimum": 2387998.484,
                "name": "Y",
                "position": 1,
                "stddev": 274.7316252,
                "variance": 75477.46587
              },
              {
                "average": -13.99310673,
                "count": 1509858,
                "maximum": -4.885223471,
                "minimum": -55.48522347,
                "name": "Z",
                "position": 2,
                "stddev": 8.463026307,
                "variance": 71.62281428
              },
              {
                "average": 93.42683484,
                "count": 1509858,
                "maximum": 5754,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 217.6056077,
                "variance": 47352.20049
              },
              {
                "average": 1.002934051,
                "count": 1509858,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05494991062,
                "variance": 0.003019492677
              },
              {
                "average": 1.00321156,
                "count": 1509858,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05788722953,
                "variance": 0.003350931343
              },
              {
                "average": 1,
                "count": 1509858,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1509858,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1509858,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.43087362,
                "count": 1509858,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.835210111,
                "variance": 46.72009727
              },
              {
                "average": 147.5465587,
                "count": 1509858,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 83.84032,
                "variance": 7029.199258
              },
              {
                "average": 2.772026906,
                "count": 1509858,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.640551905,
                "variance": 2.691410554
              },
              {
                "average": 63842642.45,
                "count": 1509858,
                "maximum": 63846323.13,
                "minimum": 63830831.82,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5203.847864,
                "variance": 27080032.59
              },
              {
                "average": 0,
                "count": 1509858,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1509858,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1509858,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1509858,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1509858,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7925,
              2387998.484,
              -55.48522347,
              616999.7925,
              2388998.484,
              -4.885223471
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.7925246195,
                    2387998.484286906,
                    -55.48522347146604
                  ],
                  [
                    615999.7925246195,
                    2388998.484286906,
                    -55.48522347146604
                  ],
                  [
                    616999.7925246195,
                    2388998.484286906,
                    -4.885223471466038
                  ],
                  [
                    616999.7925246195,
                    2387998.484286906,
                    -4.885223471466038
                  ],
                  [
                    615999.7925246195,
                    2387998.484286906,
                    -55.48522347146604
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:52:03+00:00",
            "end_time": "2013-09-21T20:33:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1956.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8527211272222,
              21.301947602360666,
              1.745517006017423
            ],
            [
              -157.8526509777274,
              21.310981104321574,
              1.745517006017423
            ],
            [
              -157.84595783206294,
              21.310935323152876,
              125.70551700601743
            ],
            [
              -157.84602839069805,
              21.301901842392656,
              125.70551700601743
            ],
            [
              -157.8527211272222,
              21.301947602360666,
              1.745517006017423
            ]
          ]
        ]
      },
      "bbox": [
        -157.8527211,
        21.30190184,
        1.745517006,
        -157.8459578,
        21.3109811,
        125.705517
      ],
      "properties": {
        "datetime": "2013-09-16T12:15:59Z",
        "pc:count": 1114241,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619277.5134,
            "count": 1114241,
            "maximum": 619694.0729,
            "minimum": 618999.7729,
            "name": "X",
            "position": 0,
            "stddev": 184.3343308,
            "variance": 33979.14551
          },
          {
            "average": 2356224.182,
            "count": 1114241,
            "maximum": 2356998.444,
            "minimum": 2355998.444,
            "name": "Y",
            "position": 1,
            "stddev": 179.9265335,
            "variance": 32373.55747
          },
          {
            "average": 16.82425567,
            "count": 1114241,
            "maximum": 125.705517,
            "minimum": 1.745517006,
            "name": "Z",
            "position": 2,
            "stddev": 12.7661925,
            "variance": 162.9756708
          },
          {
            "average": 21.36663971,
            "count": 1114241,
            "maximum": 901,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.20949502,
            "variance": 2043.89844
          },
          {
            "average": 1.473711702,
            "count": 1114241,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8170732022,
            "variance": 0.6676086178
          },
          {
            "average": 1.946103222,
            "count": 1114241,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.190255646,
            "variance": 1.416708503
          },
          {
            "average": 1,
            "count": 1114241,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1114241,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.245025089,
            "count": 1114241,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4301022677,
            "variance": 0.1849879607
          },
          {
            "average": 20.90797735,
            "count": 1114241,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.872196584,
            "variance": 78.71587223
          },
          {
            "average": 91.45464042,
            "count": 1114241,
            "maximum": 211,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.80857736,
            "variance": 4330.768854
          },
          {
            "average": 1.485612179,
            "count": 1114241,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.807573195,
            "variance": 3.267320857
          },
          {
            "average": 63280270.58,
            "count": 1114241,
            "maximum": 63368959.74,
            "minimum": 63277332.49,
            "name": "GpsTime",
            "position": 12,
            "stddev": 15729.78962,
            "variance": 247426281.6
          },
          {
            "average": 0,
            "count": 1114241,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1114241,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1114241,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1114241,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1114241,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.7729,
          2355998.444,
          1.745517006,
          619694.0729,
          2356998.444,
          125.705517
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.7729163521,
                2355998.4443689706,
                1.745517006017423
              ],
              [
                618999.7729163521,
                2356998.4443689706,
                1.745517006017423
              ],
              [
                619694.0729163522,
                2356998.4443689706,
                125.70551700601743
              ],
              [
                619694.0729163522,
                2355998.4443689706,
                125.70551700601743
              ],
              [
                618999.7729163521,
                2355998.4443689706,
                1.745517006017423
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T12:15:59+00:00",
        "end_time": "2013-09-15T10:48:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1956.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1956.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1956.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1956.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8527211,
            21.30190184,
            1.745517006,
            -157.8459578,
            21.3109811,
            125.705517
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8527211272222,
                  21.301947602360666,
                  1.745517006017423
                ],
                [
                  -157.8526509777274,
                  21.310981104321574,
                  1.745517006017423
                ],
                [
                  -157.84595783206294,
                  21.310935323152876,
                  125.70551700601743
                ],
                [
                  -157.84602839069805,
                  21.301901842392656,
                  125.70551700601743
                ],
                [
                  -157.8527211272222,
                  21.301947602360666,
                  1.745517006017423
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1956.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1956.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T12:15:59Z",
            "pc:count": 1114241,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619277.5134,
                "count": 1114241,
                "maximum": 619694.0729,
                "minimum": 618999.7729,
                "name": "X",
                "position": 0,
                "stddev": 184.3343308,
                "variance": 33979.14551
              },
              {
                "average": 2356224.182,
                "count": 1114241,
                "maximum": 2356998.444,
                "minimum": 2355998.444,
                "name": "Y",
                "position": 1,
                "stddev": 179.9265335,
                "variance": 32373.55747
              },
              {
                "average": 16.82425567,
                "count": 1114241,
                "maximum": 125.705517,
                "minimum": 1.745517006,
                "name": "Z",
                "position": 2,
                "stddev": 12.7661925,
                "variance": 162.9756708
              },
              {
                "average": 21.36663971,
                "count": 1114241,
                "maximum": 901,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.20949502,
                "variance": 2043.89844
              },
              {
                "average": 1.473711702,
                "count": 1114241,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8170732022,
                "variance": 0.6676086178
              },
              {
                "average": 1.946103222,
                "count": 1114241,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.190255646,
                "variance": 1.416708503
              },
              {
                "average": 1,
                "count": 1114241,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1114241,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.245025089,
                "count": 1114241,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4301022677,
                "variance": 0.1849879607
              },
              {
                "average": 20.90797735,
                "count": 1114241,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.872196584,
                "variance": 78.71587223
              },
              {
                "average": 91.45464042,
                "count": 1114241,
                "maximum": 211,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.80857736,
                "variance": 4330.768854
              },
              {
                "average": 1.485612179,
                "count": 1114241,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.807573195,
                "variance": 3.267320857
              },
              {
                "average": 63280270.58,
                "count": 1114241,
                "maximum": 63368959.74,
                "minimum": 63277332.49,
                "name": "GpsTime",
                "position": 12,
                "stddev": 15729.78962,
                "variance": 247426281.6
              },
              {
                "average": 0,
                "count": 1114241,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1114241,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1114241,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1114241,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1114241,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.7729,
              2355998.444,
              1.745517006,
              619694.0729,
              2356998.444,
              125.705517
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.7729163521,
                    2355998.4443689706,
                    1.745517006017423
                  ],
                  [
                    618999.7729163521,
                    2356998.4443689706,
                    1.745517006017423
                  ],
                  [
                    619694.0729163522,
                    2356998.4443689706,
                    125.70551700601743
                  ],
                  [
                    619694.0729163522,
                    2355998.4443689706,
                    125.70551700601743
                  ],
                  [
                    618999.7729163521,
                    2355998.4443689706,
                    1.745517006017423
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T12:15:59+00:00",
            "end_time": "2013-09-15T10:48:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj1972.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84269013061845,
              21.45469141177632,
              2.774871300149472
            ],
            [
              -157.84268410344296,
              21.455455087531696,
              2.774871300149472
            ],
            [
              -157.84187392438784,
              21.455449481721967,
              25.474871300149474
            ],
            [
              -157.84187995578137,
              21.45468580618622,
              25.474871300149474
            ],
            [
              -157.84269013061845,
              21.45469141177632,
              2.774871300149472
            ]
          ]
        ]
      },
      "bbox": [
        -157.8426901,
        21.45468581,
        2.7748713,
        -157.8418739,
        21.45545509,
        25.4748713
      ],
      "properties": {
        "datetime": "2013-09-21T00:49:55Z",
        "pc:count": 42138,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619964.6656,
            "count": 42138,
            "maximum": 619999.7897,
            "minimum": 619915.8297,
            "name": "X",
            "position": 0,
            "stddev": 21.28846184,
            "variance": 453.1986076
          },
          {
            "average": 2372969.14,
            "count": 42138,
            "maximum": 2372998.476,
            "minimum": 2372913.936,
            "name": "Y",
            "position": 1,
            "stddev": 19.69351004,
            "variance": 387.8343377
          },
          {
            "average": 11.79651779,
            "count": 42138,
            "maximum": 25.4748713,
            "minimum": 2.7748713,
            "name": "Z",
            "position": 2,
            "stddev": 4.114240777,
            "variance": 16.92697717
          },
          {
            "average": 8.041174237,
            "count": 42138,
            "maximum": 101,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 11.33190095,
            "variance": 128.4119791
          },
          {
            "average": 1.862499407,
            "count": 42138,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.06576275,
            "variance": 1.13585024
          },
          {
            "average": 2.709834354,
            "count": 42138,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.410879791,
            "variance": 1.990581784
          },
          {
            "average": 1,
            "count": 42138,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 42138,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.092932745,
            "count": 42138,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2903416096,
            "variance": 0.08429825026
          },
          {
            "average": 20.27020521,
            "count": 42138,
            "maximum": 22.00200081,
            "minimum": 18,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.9669490193,
            "variance": 0.9349904059
          },
          {
            "average": 90.75962314,
            "count": 42138,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.70363009,
            "variance": 4583.781527
          },
          {
            "average": 5,
            "count": 42138,
            "maximum": 5,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63759793.71,
            "count": 42138,
            "maximum": 63759795.59,
            "minimum": 63759791.95,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.9656081909,
            "variance": 0.9323991784
          },
          {
            "average": 0,
            "count": 42138,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 42138,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 42138,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 42138,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 42138,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619915.8297,
          2372913.936,
          2.7748713,
          619999.7897,
          2372998.476,
          25.4748713
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619915.8297336004,
                2372913.9363589273,
                2.774871300149472
              ],
              [
                619915.8297336004,
                2372998.4763589273,
                2.774871300149472
              ],
              [
                619999.7897336003,
                2372998.4763589273,
                25.474871300149474
              ],
              [
                619999.7897336003,
                2372913.9363589273,
                25.474871300149474
              ],
              [
                619915.8297336004,
                2372913.9363589273,
                2.774871300149472
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:49:55+00:00",
        "end_time": "2013-09-21T00:49:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj1972.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj1972.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj1972.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1972.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8426901,
            21.45468581,
            2.7748713,
            -157.8418739,
            21.45545509,
            25.4748713
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84269013061845,
                  21.45469141177632,
                  2.774871300149472
                ],
                [
                  -157.84268410344296,
                  21.455455087531696,
                  2.774871300149472
                ],
                [
                  -157.84187392438784,
                  21.455449481721967,
                  25.474871300149474
                ],
                [
                  -157.84187995578137,
                  21.45468580618622,
                  25.474871300149474
                ],
                [
                  -157.84269013061845,
                  21.45469141177632,
                  2.774871300149472
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj1972.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1972.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:49:55Z",
            "pc:count": 42138,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619964.6656,
                "count": 42138,
                "maximum": 619999.7897,
                "minimum": 619915.8297,
                "name": "X",
                "position": 0,
                "stddev": 21.28846184,
                "variance": 453.1986076
              },
              {
                "average": 2372969.14,
                "count": 42138,
                "maximum": 2372998.476,
                "minimum": 2372913.936,
                "name": "Y",
                "position": 1,
                "stddev": 19.69351004,
                "variance": 387.8343377
              },
              {
                "average": 11.79651779,
                "count": 42138,
                "maximum": 25.4748713,
                "minimum": 2.7748713,
                "name": "Z",
                "position": 2,
                "stddev": 4.114240777,
                "variance": 16.92697717
              },
              {
                "average": 8.041174237,
                "count": 42138,
                "maximum": 101,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 11.33190095,
                "variance": 128.4119791
              },
              {
                "average": 1.862499407,
                "count": 42138,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.06576275,
                "variance": 1.13585024
              },
              {
                "average": 2.709834354,
                "count": 42138,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.410879791,
                "variance": 1.990581784
              },
              {
                "average": 1,
                "count": 42138,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 42138,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.092932745,
                "count": 42138,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2903416096,
                "variance": 0.08429825026
              },
              {
                "average": 20.27020521,
                "count": 42138,
                "maximum": 22.00200081,
                "minimum": 18,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.9669490193,
                "variance": 0.9349904059
              },
              {
                "average": 90.75962314,
                "count": 42138,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.70363009,
                "variance": 4583.781527
              },
              {
                "average": 5,
                "count": 42138,
                "maximum": 5,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63759793.71,
                "count": 42138,
                "maximum": 63759795.59,
                "minimum": 63759791.95,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.9656081909,
                "variance": 0.9323991784
              },
              {
                "average": 0,
                "count": 42138,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 42138,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 42138,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 42138,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 42138,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619915.8297,
              2372913.936,
              2.7748713,
              619999.7897,
              2372998.476,
              25.4748713
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619915.8297336004,
                    2372913.9363589273,
                    2.774871300149472
                  ],
                  [
                    619915.8297336004,
                    2372998.4763589273,
                    2.774871300149472
                  ],
                  [
                    619999.7897336003,
                    2372998.4763589273,
                    25.474871300149474
                  ],
                  [
                    619999.7897336003,
                    2372913.9363589273,
                    25.474871300149474
                  ],
                  [
                    619915.8297336004,
                    2372913.9363589273,
                    2.774871300149472
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:49:55+00:00",
            "end_time": "2013-09-21T00:49:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1689.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.87936427747113,
              21.600245978859068,
              -57.68007992630342
            ],
            [
              -157.879294707959,
              21.609279061229365,
              -57.68007992630342
            ],
            [
              -157.86997642921847,
              21.609216024574156,
              -11.760079926303419
            ],
            [
              -157.8700465782386,
              21.600182970955334,
              -11.760079926303419
            ],
            [
              -157.87936427747113,
              21.600245978859068,
              -57.68007992630342
            ]
          ]
        ]
      },
      "bbox": [
        -157.8793643,
        21.60018297,
        -57.68007993,
        -157.8699764,
        21.60927906,
        -11.76007993
      ],
      "properties": {
        "datetime": "2013-09-22T00:33:14Z",
        "pc:count": 295997,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616277.3317,
            "count": 295997,
            "maximum": 616964.4318,
            "minimum": 615999.7918,
            "name": "X",
            "position": 0,
            "stddev": 180.5217907,
            "variance": 32588.11694
          },
          {
            "average": 2389375.337,
            "count": 295997,
            "maximum": 2389998.479,
            "minimum": 2388998.499,
            "name": "Y",
            "position": 1,
            "stddev": 261.0985416,
            "variance": 68172.44841
          },
          {
            "average": -34.95253086,
            "count": 295997,
            "maximum": -11.76007993,
            "minimum": -57.68007993,
            "name": "Z",
            "position": 2,
            "stddev": 6.812576298,
            "variance": 46.41119581
          },
          {
            "average": 767.9843681,
            "count": 295997,
            "maximum": 3791,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 408.628898,
            "variance": 166977.5763
          },
          {
            "average": 1.000483113,
            "count": 295997,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02197455887,
            "variance": 0.0004828812377
          },
          {
            "average": 1.00051014,
            "count": 295997,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0225805621,
            "variance": 0.0005098817849
          },
          {
            "average": 1,
            "count": 295997,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 295997,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 295997,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.74834605,
            "count": 295997,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.925466616,
            "variance": 79.66395431
          },
          {
            "average": 246.6309929,
            "count": 295997,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 18.82346755,
            "variance": 354.3229307
          },
          {
            "average": 4.345466339,
            "count": 295997,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.532042927,
            "variance": 2.347155531
          },
          {
            "average": 63833576.21,
            "count": 295997,
            "maximum": 63845194.19,
            "minimum": 63830355.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4047.974038,
            "variance": 16386093.81
          },
          {
            "average": 0,
            "count": 295997,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 295997,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 295997,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 295997,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 295997,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7918,
          2388998.499,
          -57.68007993,
          616964.4318,
          2389998.479,
          -11.76007993
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.791776118,
                2388998.4994312776,
                -57.68007992630342
              ],
              [
                615999.791776118,
                2389998.479431278,
                -57.68007992630342
              ],
              [
                616964.4317761179,
                2389998.479431278,
                -11.760079926303419
              ],
              [
                616964.4317761179,
                2388998.4994312776,
                -11.760079926303419
              ],
              [
                615999.791776118,
                2388998.4994312776,
                -57.68007992630342
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:33:14+00:00",
        "end_time": "2013-09-21T20:25:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1689.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1689.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1689.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1689.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8793643,
            21.60018297,
            -57.68007993,
            -157.8699764,
            21.60927906,
            -11.76007993
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.87936427747113,
                  21.600245978859068,
                  -57.68007992630342
                ],
                [
                  -157.879294707959,
                  21.609279061229365,
                  -57.68007992630342
                ],
                [
                  -157.86997642921847,
                  21.609216024574156,
                  -11.760079926303419
                ],
                [
                  -157.8700465782386,
                  21.600182970955334,
                  -11.760079926303419
                ],
                [
                  -157.87936427747113,
                  21.600245978859068,
                  -57.68007992630342
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1689.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1689.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:33:14Z",
            "pc:count": 295997,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616277.3317,
                "count": 295997,
                "maximum": 616964.4318,
                "minimum": 615999.7918,
                "name": "X",
                "position": 0,
                "stddev": 180.5217907,
                "variance": 32588.11694
              },
              {
                "average": 2389375.337,
                "count": 295997,
                "maximum": 2389998.479,
                "minimum": 2388998.499,
                "name": "Y",
                "position": 1,
                "stddev": 261.0985416,
                "variance": 68172.44841
              },
              {
                "average": -34.95253086,
                "count": 295997,
                "maximum": -11.76007993,
                "minimum": -57.68007993,
                "name": "Z",
                "position": 2,
                "stddev": 6.812576298,
                "variance": 46.41119581
              },
              {
                "average": 767.9843681,
                "count": 295997,
                "maximum": 3791,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 408.628898,
                "variance": 166977.5763
              },
              {
                "average": 1.000483113,
                "count": 295997,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02197455887,
                "variance": 0.0004828812377
              },
              {
                "average": 1.00051014,
                "count": 295997,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0225805621,
                "variance": 0.0005098817849
              },
              {
                "average": 1,
                "count": 295997,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 295997,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 295997,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.74834605,
                "count": 295997,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.925466616,
                "variance": 79.66395431
              },
              {
                "average": 246.6309929,
                "count": 295997,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 18.82346755,
                "variance": 354.3229307
              },
              {
                "average": 4.345466339,
                "count": 295997,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.532042927,
                "variance": 2.347155531
              },
              {
                "average": 63833576.21,
                "count": 295997,
                "maximum": 63845194.19,
                "minimum": 63830355.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4047.974038,
                "variance": 16386093.81
              },
              {
                "average": 0,
                "count": 295997,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 295997,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 295997,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 295997,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 295997,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7918,
              2388998.499,
              -57.68007993,
              616964.4318,
              2389998.479,
              -11.76007993
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.791776118,
                    2388998.4994312776,
                    -57.68007992630342
                  ],
                  [
                    615999.791776118,
                    2389998.479431278,
                    -57.68007992630342
                  ],
                  [
                    616964.4317761179,
                    2389998.479431278,
                    -11.760079926303419
                  ],
                  [
                    616964.4317761179,
                    2388998.4994312776,
                    -11.760079926303419
                  ],
                  [
                    615999.791776118,
                    2388998.4994312776,
                    -57.68007992630342
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:33:14+00:00",
            "end_time": "2013-09-21T20:25:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj0998.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9463908996422,
              21.68198830790439,
              -13.394731462206636
            ],
            [
              -157.94632521477965,
              21.691021864675363,
              -13.394731462206636
            ],
            [
              -157.9366595238457,
              21.690960173239755,
              19.245268537793365
            ],
            [
              -157.93672581208128,
              21.681926644459462,
              19.245268537793365
            ],
            [
              -157.9463908996422,
              21.68198830790439,
              -13.394731462206636
            ]
          ]
        ]
      },
      "bbox": [
        -157.9463909,
        21.68192664,
        -13.39473146,
        -157.9366595,
        21.69102186,
        19.24526854
      ],
      "properties": {
        "datetime": "2013-09-22T01:16:53Z",
        "pc:count": 3088225,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609480.0917,
            "count": 3088225,
            "maximum": 609999.7555,
            "minimum": 608999.7355,
            "name": "X",
            "position": 0,
            "stddev": 311.6307328,
            "variance": 97113.7136
          },
          {
            "average": 2398439.882,
            "count": 3088225,
            "maximum": 2398998.505,
            "minimum": 2397998.485,
            "name": "Y",
            "position": 1,
            "stddev": 278.1695081,
            "variance": 77378.27522
          },
          {
            "average": -1.603871327,
            "count": 3088225,
            "maximum": 19.24526854,
            "minimum": -13.39473146,
            "name": "Z",
            "position": 2,
            "stddev": 4.372258778,
            "variance": 19.11664682
          },
          {
            "average": 18.14968113,
            "count": 3088225,
            "maximum": 3338,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.70840595,
            "variance": 1739.591127
          },
          {
            "average": 1.039184645,
            "count": 3088225,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2139522709,
            "variance": 0.04577557423
          },
          {
            "average": 1.052670061,
            "count": 3088225,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2696725825,
            "variance": 0.07272330176
          },
          {
            "average": 1,
            "count": 3088225,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3088225,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 22.61188579,
            "count": 3088225,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.65272654,
            "variance": 135.7860358
          },
          {
            "average": 20.09127486,
            "count": 3088225,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.764550383,
            "variance": 7.642738821
          },
          {
            "average": 98.55832493,
            "count": 3088225,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.57046863,
            "variance": 4840.050105
          },
          {
            "average": 3.685239903,
            "count": 3088225,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.654849798,
            "variance": 2.738527855
          },
          {
            "average": 63845491.89,
            "count": 3088225,
            "maximum": 63847813.72,
            "minimum": 63832999.95,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2905.685202,
            "variance": 8443006.491
          },
          {
            "average": 0,
            "count": 3088225,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3088225,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3088225,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3088225,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3088225,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608999.7355,
          2397998.485,
          -13.39473146,
          609999.7555,
          2398998.505,
          19.24526854
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608999.7355072303,
                2397998.484845861,
                -13.394731462206636
              ],
              [
                608999.7355072303,
                2398998.5048458604,
                -13.394731462206636
              ],
              [
                609999.7555072303,
                2398998.5048458604,
                19.245268537793365
              ],
              [
                609999.7555072303,
                2397998.484845861,
                19.245268537793365
              ],
              [
                608999.7355072303,
                2397998.484845861,
                -13.394731462206636
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:16:53+00:00",
        "end_time": "2013-09-21T21:09:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj0998.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj0998.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj0998.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0998.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9463909,
            21.68192664,
            -13.39473146,
            -157.9366595,
            21.69102186,
            19.24526854
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9463908996422,
                  21.68198830790439,
                  -13.394731462206636
                ],
                [
                  -157.94632521477965,
                  21.691021864675363,
                  -13.394731462206636
                ],
                [
                  -157.9366595238457,
                  21.690960173239755,
                  19.245268537793365
                ],
                [
                  -157.93672581208128,
                  21.681926644459462,
                  19.245268537793365
                ],
                [
                  -157.9463908996422,
                  21.68198830790439,
                  -13.394731462206636
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj0998.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj0998.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:16:53Z",
            "pc:count": 3088225,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609480.0917,
                "count": 3088225,
                "maximum": 609999.7555,
                "minimum": 608999.7355,
                "name": "X",
                "position": 0,
                "stddev": 311.6307328,
                "variance": 97113.7136
              },
              {
                "average": 2398439.882,
                "count": 3088225,
                "maximum": 2398998.505,
                "minimum": 2397998.485,
                "name": "Y",
                "position": 1,
                "stddev": 278.1695081,
                "variance": 77378.27522
              },
              {
                "average": -1.603871327,
                "count": 3088225,
                "maximum": 19.24526854,
                "minimum": -13.39473146,
                "name": "Z",
                "position": 2,
                "stddev": 4.372258778,
                "variance": 19.11664682
              },
              {
                "average": 18.14968113,
                "count": 3088225,
                "maximum": 3338,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.70840595,
                "variance": 1739.591127
              },
              {
                "average": 1.039184645,
                "count": 3088225,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2139522709,
                "variance": 0.04577557423
              },
              {
                "average": 1.052670061,
                "count": 3088225,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2696725825,
                "variance": 0.07272330176
              },
              {
                "average": 1,
                "count": 3088225,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3088225,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 22.61188579,
                "count": 3088225,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.65272654,
                "variance": 135.7860358
              },
              {
                "average": 20.09127486,
                "count": 3088225,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.764550383,
                "variance": 7.642738821
              },
              {
                "average": 98.55832493,
                "count": 3088225,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.57046863,
                "variance": 4840.050105
              },
              {
                "average": 3.685239903,
                "count": 3088225,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.654849798,
                "variance": 2.738527855
              },
              {
                "average": 63845491.89,
                "count": 3088225,
                "maximum": 63847813.72,
                "minimum": 63832999.95,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2905.685202,
                "variance": 8443006.491
              },
              {
                "average": 0,
                "count": 3088225,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3088225,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3088225,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3088225,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3088225,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608999.7355,
              2397998.485,
              -13.39473146,
              609999.7555,
              2398998.505,
              19.24526854
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608999.7355072303,
                    2397998.484845861,
                    -13.394731462206636
                  ],
                  [
                    608999.7355072303,
                    2398998.5048458604,
                    -13.394731462206636
                  ],
                  [
                    609999.7555072303,
                    2398998.5048458604,
                    19.245268537793365
                  ],
                  [
                    609999.7555072303,
                    2397998.484845861,
                    19.245268537793365
                  ],
                  [
                    608999.7355072303,
                    2397998.484845861,
                    -13.394731462206636
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:16:53+00:00",
            "end_time": "2013-09-21T21:09:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1690.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8792935432895,
              21.60927919657974,
              -56.764718014431786
            ],
            [
              -157.87926406532006,
              21.613105322323932,
              -56.764718014431786
            ],
            [
              -157.873661005625,
              21.613067475159983,
              -39.46471801443179
            ],
            [
              -157.8736906315033,
              21.60924135666378,
              -39.46471801443179
            ],
            [
              -157.8792935432895,
              21.60927919657974,
              -56.764718014431786
            ]
          ]
        ]
      },
      "bbox": [
        -157.8792935,
        21.60924136,
        -56.76471801,
        -157.873661,
        21.61310532,
        -39.46471801
      ],
      "properties": {
        "datetime": "2013-09-21T20:57:17Z",
        "pc:count": 3551,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616128.3826,
            "count": 3551,
            "maximum": 616579.9322,
            "minimum": 615999.9122,
            "name": "X",
            "position": 0,
            "stddev": 117.1805385,
            "variance": 13731.27861
          },
          {
            "average": 2390085.975,
            "count": 3551,
            "maximum": 2390422.055,
            "minimum": 2389998.495,
            "name": "Y",
            "position": 1,
            "stddev": 84.64590993,
            "variance": 7164.930067
          },
          {
            "average": -45.91103454,
            "count": 3551,
            "maximum": -39.46471801,
            "minimum": -56.76471801,
            "name": "Z",
            "position": 2,
            "stddev": 3.835479022,
            "variance": 14.71089933
          },
          {
            "average": 521.620107,
            "count": 3551,
            "maximum": 2622,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 627.0447652,
            "variance": 393185.1376
          },
          {
            "average": 1.000281611,
            "count": 3551,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01678126377,
            "variance": 0.0002816108139
          },
          {
            "average": 1.000281611,
            "count": 3551,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01678126377,
            "variance": 0.0002816108139
          },
          {
            "average": 1,
            "count": 3551,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3551,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3551,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.34593404,
            "count": 3551,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.518197961,
            "variance": 56.52330059
          },
          {
            "average": 249.0028161,
            "count": 3551,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.05299970481,
            "variance": 0.002808968709
          },
          {
            "average": 3.36693889,
            "count": 3551,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.341103038,
            "variance": 1.798557359
          },
          {
            "average": 63831425.6,
            "count": 3551,
            "maximum": 63832237.63,
            "minimum": 63830369.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 614.100431,
            "variance": 377119.3394
          },
          {
            "average": 0,
            "count": 3551,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3551,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3551,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3551,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3551,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.9122,
          2389998.495,
          -56.76471801,
          616579.9322,
          2390422.055,
          -39.46471801
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.9122298069,
                2389998.4952826216,
                -56.764718014431786
              ],
              [
                615999.9122298069,
                2390422.055282621,
                -56.764718014431786
              ],
              [
                616579.9322298069,
                2390422.055282621,
                -39.46471801443179
              ],
              [
                616579.9322298069,
                2389998.4952826216,
                -39.46471801443179
              ],
              [
                615999.9122298069,
                2389998.4952826216,
                -56.764718014431786
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T20:57:17+00:00",
        "end_time": "2013-09-21T20:26:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1690.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1690.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1690.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1690.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8792935,
            21.60924136,
            -56.76471801,
            -157.873661,
            21.61310532,
            -39.46471801
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8792935432895,
                  21.60927919657974,
                  -56.764718014431786
                ],
                [
                  -157.87926406532006,
                  21.613105322323932,
                  -56.764718014431786
                ],
                [
                  -157.873661005625,
                  21.613067475159983,
                  -39.46471801443179
                ],
                [
                  -157.8736906315033,
                  21.60924135666378,
                  -39.46471801443179
                ],
                [
                  -157.8792935432895,
                  21.60927919657974,
                  -56.764718014431786
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1690.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1690.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T20:57:17Z",
            "pc:count": 3551,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616128.3826,
                "count": 3551,
                "maximum": 616579.9322,
                "minimum": 615999.9122,
                "name": "X",
                "position": 0,
                "stddev": 117.1805385,
                "variance": 13731.27861
              },
              {
                "average": 2390085.975,
                "count": 3551,
                "maximum": 2390422.055,
                "minimum": 2389998.495,
                "name": "Y",
                "position": 1,
                "stddev": 84.64590993,
                "variance": 7164.930067
              },
              {
                "average": -45.91103454,
                "count": 3551,
                "maximum": -39.46471801,
                "minimum": -56.76471801,
                "name": "Z",
                "position": 2,
                "stddev": 3.835479022,
                "variance": 14.71089933
              },
              {
                "average": 521.620107,
                "count": 3551,
                "maximum": 2622,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 627.0447652,
                "variance": 393185.1376
              },
              {
                "average": 1.000281611,
                "count": 3551,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01678126377,
                "variance": 0.0002816108139
              },
              {
                "average": 1.000281611,
                "count": 3551,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01678126377,
                "variance": 0.0002816108139
              },
              {
                "average": 1,
                "count": 3551,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3551,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3551,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.34593404,
                "count": 3551,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.518197961,
                "variance": 56.52330059
              },
              {
                "average": 249.0028161,
                "count": 3551,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.05299970481,
                "variance": 0.002808968709
              },
              {
                "average": 3.36693889,
                "count": 3551,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.341103038,
                "variance": 1.798557359
              },
              {
                "average": 63831425.6,
                "count": 3551,
                "maximum": 63832237.63,
                "minimum": 63830369.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 614.100431,
                "variance": 377119.3394
              },
              {
                "average": 0,
                "count": 3551,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3551,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3551,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3551,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3551,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.9122,
              2389998.495,
              -56.76471801,
              616579.9322,
              2390422.055,
              -39.46471801
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.9122298069,
                    2389998.4952826216,
                    -56.764718014431786
                  ],
                  [
                    615999.9122298069,
                    2390422.055282621,
                    -56.764718014431786
                  ],
                  [
                    616579.9322298069,
                    2390422.055282621,
                    -39.46471801443179
                  ],
                  [
                    616579.9322298069,
                    2389998.4952826216,
                    -39.46471801443179
                  ],
                  [
                    615999.9122298069,
                    2389998.4952826216,
                    -56.764718014431786
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T20:57:17+00:00",
            "end_time": "2013-09-21T20:26:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1486.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89621912795144,
              21.57325717057436,
              1.390535094539061
            ],
            [
              -157.89615068589552,
              21.582290518149325,
              1.390535094539061
            ],
            [
              -157.88916149401055,
              21.582244040343046,
              186.49053509453904
            ],
            [
              -157.88923036954566,
              21.57321071412022,
              186.49053509453904
            ],
            [
              -157.89621912795144,
              21.57325717057436,
              1.390535094539061
            ]
          ]
        ]
      },
      "bbox": [
        -157.8962191,
        21.57321071,
        1.390535095,
        -157.8891615,
        21.58229052,
        186.4905351
      ],
      "properties": {
        "datetime": "2013-09-22T02:27:04Z",
        "pc:count": 2732383,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614732.0715,
            "count": 2732383,
            "maximum": 614999.7821,
            "minimum": 614276.1221,
            "name": "X",
            "position": 0,
            "stddev": 181.1843115,
            "variance": 32827.75473
          },
          {
            "average": 2386636.499,
            "count": 2732383,
            "maximum": 2386998.489,
            "minimum": 2385998.489,
            "name": "Y",
            "position": 1,
            "stddev": 252.8565652,
            "variance": 63936.44258
          },
          {
            "average": 28.6235823,
            "count": 2732383,
            "maximum": 186.4905351,
            "minimum": 1.390535095,
            "name": "Z",
            "position": 2,
            "stddev": 36.45774089,
            "variance": 1329.166871
          },
          {
            "average": 14.12648703,
            "count": 2732383,
            "maximum": 926,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.06349237,
            "variance": 443.6707106
          },
          {
            "average": 1.423060018,
            "count": 2732383,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7652593577,
            "variance": 0.5856218845
          },
          {
            "average": 1.846323887,
            "count": 2732383,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.092945364,
            "variance": 1.194529569
          },
          {
            "average": 1,
            "count": 2732383,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2732383,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.148923851,
            "count": 2732383,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3560134609,
            "variance": 0.1267455843
          },
          {
            "average": 20.03439375,
            "count": 2732383,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.607871348,
            "variance": 6.800992965
          },
          {
            "average": 91.4550171,
            "count": 2732383,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.48164753,
            "variance": 4419.809459
          },
          {
            "average": 13.26525857,
            "count": 2732383,
            "maximum": 14,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8123708759,
            "variance": 0.65994644
          },
          {
            "average": 63851692.32,
            "count": 2732383,
            "maximum": 63852024.49,
            "minimum": 63850668.53,
            "name": "GpsTime",
            "position": 12,
            "stddev": 359.1641564,
            "variance": 128998.8912
          },
          {
            "average": 0,
            "count": 2732383,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2732383,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2732383,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2732383,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2732383,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614276.1221,
          2385998.489,
          1.390535095,
          614999.7821,
          2386998.489,
          186.4905351
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614276.1221442187,
                2385998.4894560818,
                1.390535094539061
              ],
              [
                614276.1221442187,
                2386998.4894560818,
                1.390535094539061
              ],
              [
                614999.7821442186,
                2386998.4894560818,
                186.49053509453904
              ],
              [
                614999.7821442186,
                2385998.4894560818,
                186.49053509453904
              ],
              [
                614276.1221442187,
                2385998.4894560818,
                1.390535094539061
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:27:04+00:00",
        "end_time": "2013-09-22T02:04:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1486.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1486.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1486.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1486.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8962191,
            21.57321071,
            1.390535095,
            -157.8891615,
            21.58229052,
            186.4905351
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89621912795144,
                  21.57325717057436,
                  1.390535094539061
                ],
                [
                  -157.89615068589552,
                  21.582290518149325,
                  1.390535094539061
                ],
                [
                  -157.88916149401055,
                  21.582244040343046,
                  186.49053509453904
                ],
                [
                  -157.88923036954566,
                  21.57321071412022,
                  186.49053509453904
                ],
                [
                  -157.89621912795144,
                  21.57325717057436,
                  1.390535094539061
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1486.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1486.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:27:04Z",
            "pc:count": 2732383,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614732.0715,
                "count": 2732383,
                "maximum": 614999.7821,
                "minimum": 614276.1221,
                "name": "X",
                "position": 0,
                "stddev": 181.1843115,
                "variance": 32827.75473
              },
              {
                "average": 2386636.499,
                "count": 2732383,
                "maximum": 2386998.489,
                "minimum": 2385998.489,
                "name": "Y",
                "position": 1,
                "stddev": 252.8565652,
                "variance": 63936.44258
              },
              {
                "average": 28.6235823,
                "count": 2732383,
                "maximum": 186.4905351,
                "minimum": 1.390535095,
                "name": "Z",
                "position": 2,
                "stddev": 36.45774089,
                "variance": 1329.166871
              },
              {
                "average": 14.12648703,
                "count": 2732383,
                "maximum": 926,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.06349237,
                "variance": 443.6707106
              },
              {
                "average": 1.423060018,
                "count": 2732383,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7652593577,
                "variance": 0.5856218845
              },
              {
                "average": 1.846323887,
                "count": 2732383,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.092945364,
                "variance": 1.194529569
              },
              {
                "average": 1,
                "count": 2732383,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2732383,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.148923851,
                "count": 2732383,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3560134609,
                "variance": 0.1267455843
              },
              {
                "average": 20.03439375,
                "count": 2732383,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.607871348,
                "variance": 6.800992965
              },
              {
                "average": 91.4550171,
                "count": 2732383,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.48164753,
                "variance": 4419.809459
              },
              {
                "average": 13.26525857,
                "count": 2732383,
                "maximum": 14,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8123708759,
                "variance": 0.65994644
              },
              {
                "average": 63851692.32,
                "count": 2732383,
                "maximum": 63852024.49,
                "minimum": 63850668.53,
                "name": "GpsTime",
                "position": 12,
                "stddev": 359.1641564,
                "variance": 128998.8912
              },
              {
                "average": 0,
                "count": 2732383,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2732383,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2732383,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2732383,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2732383,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614276.1221,
              2385998.489,
              1.390535095,
              614999.7821,
              2386998.489,
              186.4905351
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614276.1221442187,
                    2385998.4894560818,
                    1.390535094539061
                  ],
                  [
                    614276.1221442187,
                    2386998.4894560818,
                    1.390535094539061
                  ],
                  [
                    614999.7821442186,
                    2386998.4894560818,
                    186.49053509453904
                  ],
                  [
                    614999.7821442186,
                    2385998.4894560818,
                    186.49053509453904
                  ],
                  [
                    614276.1221442187,
                    2385998.4894560818,
                    1.390535094539061
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:27:04+00:00",
            "end_time": "2013-09-22T02:04:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1753.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.87217460296347,
              21.2791502911176,
              -57.965379769227255
            ],
            [
              -157.8721375470086,
              21.284010726425503,
              -57.965379769227255
            ],
            [
              -157.86249968626288,
              21.28394590542155,
              -23.92537976922726
            ],
            [
              -157.8625370593244,
              21.27908548595353,
              -23.92537976922726
            ],
            [
              -157.87217460296347,
              21.2791502911176,
              -57.965379769227255
            ]
          ]
        ]
      },
      "bbox": [
        -157.8721746,
        21.27908549,
        -57.96537977,
        -157.8624997,
        21.28401073,
        -23.92537977
      ],
      "properties": {
        "datetime": "2013-09-17T12:49:44Z",
        "pc:count": 121689,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617709.8472,
            "count": 121689,
            "maximum": 617999.7764,
            "minimum": 616999.8364,
            "name": "X",
            "position": 0,
            "stddev": 183.5841362,
            "variance": 33703.13505
          },
          {
            "average": 2353851.231,
            "count": 121689,
            "maximum": 2353998.441,
            "minimum": 2353460.401,
            "name": "Y",
            "position": 1,
            "stddev": 108.7315701,
            "variance": 11822.55434
          },
          {
            "average": -41.01187395,
            "count": 121689,
            "maximum": -23.92537977,
            "minimum": -57.96537977,
            "name": "Z",
            "position": 2,
            "stddev": 6.691983244,
            "variance": 44.78263974
          },
          {
            "average": 677.4802488,
            "count": 121689,
            "maximum": 3198,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 747.7635338,
            "variance": 559150.3025
          },
          {
            "average": 1.027167616,
            "count": 121689,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1626228432,
            "variance": 0.02644618912
          },
          {
            "average": 1.027167616,
            "count": 121689,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1626228432,
            "variance": 0.02644618912
          },
          {
            "average": 1,
            "count": 121689,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 121689,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 121689,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.774232667,
            "count": 121689,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.521505303,
            "variance": 56.57304203
          },
          {
            "average": 249.1641973,
            "count": 121689,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.3816446101,
            "variance": 0.1456526084
          },
          {
            "average": 12.80907066,
            "count": 121689,
            "maximum": 18,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.683687622,
            "variance": 13.5695545
          },
          {
            "average": 63331140.4,
            "count": 121689,
            "maximum": 63457384.65,
            "minimum": 63281526.75,
            "name": "GpsTime",
            "position": 12,
            "stddev": 78456.40347,
            "variance": 6155407245
          },
          {
            "average": 0,
            "count": 121689,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 121689,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 121689,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 121689,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 121689,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.8364,
          2353460.401,
          -57.96537977,
          617999.7764,
          2353998.441,
          -23.92537977
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.8363938896,
                2353460.4005012405,
                -57.965379769227255
              ],
              [
                616999.8363938896,
                2353998.4405012405,
                -57.965379769227255
              ],
              [
                617999.7763938896,
                2353998.4405012405,
                -23.92537976922726
              ],
              [
                617999.7763938896,
                2353460.4005012405,
                -23.92537976922726
              ],
              [
                616999.8363938896,
                2353460.4005012405,
                -57.965379769227255
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:49:44+00:00",
        "end_time": "2013-09-15T11:58:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1753.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1753.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1753.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1753.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8721746,
            21.27908549,
            -57.96537977,
            -157.8624997,
            21.28401073,
            -23.92537977
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.87217460296347,
                  21.2791502911176,
                  -57.965379769227255
                ],
                [
                  -157.8721375470086,
                  21.284010726425503,
                  -57.965379769227255
                ],
                [
                  -157.86249968626288,
                  21.28394590542155,
                  -23.92537976922726
                ],
                [
                  -157.8625370593244,
                  21.27908548595353,
                  -23.92537976922726
                ],
                [
                  -157.87217460296347,
                  21.2791502911176,
                  -57.965379769227255
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1753.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1753.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:49:44Z",
            "pc:count": 121689,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617709.8472,
                "count": 121689,
                "maximum": 617999.7764,
                "minimum": 616999.8364,
                "name": "X",
                "position": 0,
                "stddev": 183.5841362,
                "variance": 33703.13505
              },
              {
                "average": 2353851.231,
                "count": 121689,
                "maximum": 2353998.441,
                "minimum": 2353460.401,
                "name": "Y",
                "position": 1,
                "stddev": 108.7315701,
                "variance": 11822.55434
              },
              {
                "average": -41.01187395,
                "count": 121689,
                "maximum": -23.92537977,
                "minimum": -57.96537977,
                "name": "Z",
                "position": 2,
                "stddev": 6.691983244,
                "variance": 44.78263974
              },
              {
                "average": 677.4802488,
                "count": 121689,
                "maximum": 3198,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 747.7635338,
                "variance": 559150.3025
              },
              {
                "average": 1.027167616,
                "count": 121689,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1626228432,
                "variance": 0.02644618912
              },
              {
                "average": 1.027167616,
                "count": 121689,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1626228432,
                "variance": 0.02644618912
              },
              {
                "average": 1,
                "count": 121689,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 121689,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 121689,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.774232667,
                "count": 121689,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.521505303,
                "variance": 56.57304203
              },
              {
                "average": 249.1641973,
                "count": 121689,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.3816446101,
                "variance": 0.1456526084
              },
              {
                "average": 12.80907066,
                "count": 121689,
                "maximum": 18,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.683687622,
                "variance": 13.5695545
              },
              {
                "average": 63331140.4,
                "count": 121689,
                "maximum": 63457384.65,
                "minimum": 63281526.75,
                "name": "GpsTime",
                "position": 12,
                "stddev": 78456.40347,
                "variance": 6155407245
              },
              {
                "average": 0,
                "count": 121689,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 121689,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 121689,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 121689,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 121689,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.8364,
              2353460.401,
              -57.96537977,
              617999.7764,
              2353998.441,
              -23.92537977
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.8363938896,
                    2353460.4005012405,
                    -57.965379769227255
                  ],
                  [
                    616999.8363938896,
                    2353998.4405012405,
                    -57.965379769227255
                  ],
                  [
                    617999.7763938896,
                    2353998.4405012405,
                    -23.92537976922726
                  ],
                  [
                    617999.7763938896,
                    2353460.4005012405,
                    -23.92537976922726
                  ],
                  [
                    616999.8363938896,
                    2353460.4005012405,
                    -57.965379769227255
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:49:44+00:00",
            "end_time": "2013-09-15T11:58:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj1857.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8622911726124,
              21.311046552143214,
              -0.853674562870467
            ],
            [
              -157.86222157674538,
              21.320080072452516,
              -0.853674562870467
            ],
            [
              -157.85258081927032,
              21.32001457325586,
              119.94632543712953
            ],
            [
              -157.8526510044995,
              21.310981083319657,
              119.94632543712953
            ],
            [
              -157.8622911726124,
              21.311046552143214,
              -0.853674562870467
            ]
          ]
        ]
      },
      "bbox": [
        -157.8622912,
        21.31098108,
        -0.8536745629,
        -157.8525808,
        21.32008007,
        119.9463254
      ],
      "properties": {
        "datetime": "2013-09-16T11:52:13Z",
        "pc:count": 1622772,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618317.0588,
            "count": 1622772,
            "maximum": 618999.7702,
            "minimum": 617999.7702,
            "name": "X",
            "position": 0,
            "stddev": 250.6022825,
            "variance": 62801.50398
          },
          {
            "average": 2357336.546,
            "count": 1622772,
            "maximum": 2357998.442,
            "minimum": 2356998.442,
            "name": "Y",
            "position": 1,
            "stddev": 268.0049395,
            "variance": 71826.64757
          },
          {
            "average": 14.72789566,
            "count": 1622772,
            "maximum": 119.9463254,
            "minimum": -0.8536745629,
            "name": "Z",
            "position": 2,
            "stddev": 15.40755319,
            "variance": 237.3926952
          },
          {
            "average": 24.35620777,
            "count": 1622772,
            "maximum": 947,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.22360637,
            "variance": 2325.516212
          },
          {
            "average": 1.356571348,
            "count": 1622772,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.685443799,
            "variance": 0.4698332016
          },
          {
            "average": 1.665583335,
            "count": 1622772,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9649678058,
            "variance": 0.9311628662
          },
          {
            "average": 1,
            "count": 1622772,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1622772,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.399108439,
            "count": 1622772,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.895438204,
            "variance": 3.592685986
          },
          {
            "average": 0,
            "count": 1622772,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.27837059,
            "count": 1622772,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.4758873,
            "variance": 4157.140043
          },
          {
            "average": 8.986677734,
            "count": 1622772,
            "maximum": 12,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.855837187,
            "variance": 3.444131665
          },
          {
            "average": 63364711.12,
            "count": 1622772,
            "maximum": 63367533.91,
            "minimum": 63360884.92,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1693.706447,
            "variance": 2868641.528
          },
          {
            "average": 0,
            "count": 1622772,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1622772,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1622772,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1622772,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1622772,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.7702,
          2356998.442,
          -0.8536745629,
          618999.7702,
          2357998.442,
          119.9463254
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.7701562739,
                2356998.4420239897,
                -0.853674562870467
              ],
              [
                617999.7701562739,
                2357998.4420239897,
                -0.853674562870467
              ],
              [
                618999.7701562739,
                2357998.4420239897,
                119.94632543712953
              ],
              [
                618999.7701562739,
                2356998.4420239897,
                119.94632543712953
              ],
              [
                617999.7701562739,
                2356998.4420239897,
                -0.853674562870467
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:52:13+00:00",
        "end_time": "2013-09-16T10:01:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj1857.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj1857.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj1857.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1857.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8622912,
            21.31098108,
            -0.8536745629,
            -157.8525808,
            21.32008007,
            119.9463254
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8622911726124,
                  21.311046552143214,
                  -0.853674562870467
                ],
                [
                  -157.86222157674538,
                  21.320080072452516,
                  -0.853674562870467
                ],
                [
                  -157.85258081927032,
                  21.32001457325586,
                  119.94632543712953
                ],
                [
                  -157.8526510044995,
                  21.310981083319657,
                  119.94632543712953
                ],
                [
                  -157.8622911726124,
                  21.311046552143214,
                  -0.853674562870467
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj1857.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1857.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:52:13Z",
            "pc:count": 1622772,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618317.0588,
                "count": 1622772,
                "maximum": 618999.7702,
                "minimum": 617999.7702,
                "name": "X",
                "position": 0,
                "stddev": 250.6022825,
                "variance": 62801.50398
              },
              {
                "average": 2357336.546,
                "count": 1622772,
                "maximum": 2357998.442,
                "minimum": 2356998.442,
                "name": "Y",
                "position": 1,
                "stddev": 268.0049395,
                "variance": 71826.64757
              },
              {
                "average": 14.72789566,
                "count": 1622772,
                "maximum": 119.9463254,
                "minimum": -0.8536745629,
                "name": "Z",
                "position": 2,
                "stddev": 15.40755319,
                "variance": 237.3926952
              },
              {
                "average": 24.35620777,
                "count": 1622772,
                "maximum": 947,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.22360637,
                "variance": 2325.516212
              },
              {
                "average": 1.356571348,
                "count": 1622772,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.685443799,
                "variance": 0.4698332016
              },
              {
                "average": 1.665583335,
                "count": 1622772,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9649678058,
                "variance": 0.9311628662
              },
              {
                "average": 1,
                "count": 1622772,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1622772,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.399108439,
                "count": 1622772,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.895438204,
                "variance": 3.592685986
              },
              {
                "average": 0,
                "count": 1622772,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.27837059,
                "count": 1622772,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.4758873,
                "variance": 4157.140043
              },
              {
                "average": 8.986677734,
                "count": 1622772,
                "maximum": 12,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.855837187,
                "variance": 3.444131665
              },
              {
                "average": 63364711.12,
                "count": 1622772,
                "maximum": 63367533.91,
                "minimum": 63360884.92,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1693.706447,
                "variance": 2868641.528
              },
              {
                "average": 0,
                "count": 1622772,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1622772,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1622772,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1622772,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1622772,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.7702,
              2356998.442,
              -0.8536745629,
              618999.7702,
              2357998.442,
              119.9463254
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.7701562739,
                    2356998.4420239897,
                    -0.853674562870467
                  ],
                  [
                    617999.7701562739,
                    2357998.4420239897,
                    -0.853674562870467
                  ],
                  [
                    618999.7701562739,
                    2357998.4420239897,
                    119.94632543712953
                  ],
                  [
                    618999.7701562739,
                    2356998.4420239897,
                    119.94632543712953
                  ],
                  [
                    617999.7701562739,
                    2356998.4420239897,
                    -0.853674562870467
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:52:13+00:00",
            "end_time": "2013-09-16T10:01:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1293.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.91773299362004,
              21.636635038195973,
              -18.496303550778276
            ],
            [
              -157.91766567962384,
              21.645668378984602,
              -18.496303550778276
            ],
            [
              -157.90800329750635,
              21.64560514446469,
              0.423696449221726
            ],
            [
              -157.90807121186552,
              21.63657183283536,
              0.423696449221726
            ],
            [
              -157.91773299362004,
              21.636635038195973,
              -18.496303550778276
            ]
          ]
        ]
      },
      "bbox": [
        -157.917733,
        21.63657183,
        -18.49630355,
        -157.9080033,
        21.64566838,
        0.4236964492
      ],
      "properties": {
        "datetime": "2013-09-22T01:30:40Z",
        "pc:count": 2946597,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612417.2204,
            "count": 2946597,
            "maximum": 612999.7644,
            "minimum": 611999.7644,
            "name": "X",
            "position": 0,
            "stddev": 262.2515679,
            "variance": 68775.88487
          },
          {
            "average": 2393508.716,
            "count": 2946597,
            "maximum": 2393998.487,
            "minimum": 2392998.487,
            "name": "Y",
            "position": 1,
            "stddev": 291.2811077,
            "variance": 84844.68373
          },
          {
            "average": -3.502774008,
            "count": 2946597,
            "maximum": 0.4236964492,
            "minimum": -18.49630355,
            "name": "Z",
            "position": 2,
            "stddev": 2.622063212,
            "variance": 6.875215485
          },
          {
            "average": 7.431400697,
            "count": 2946597,
            "maximum": 4395,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.20367349,
            "variance": 493.0031165
          },
          {
            "average": 1.017022688,
            "count": 2946597,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1316417182,
            "variance": 0.01732954196
          },
          {
            "average": 1.02504618,
            "count": 2946597,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1586748854,
            "variance": 0.02517771925
          },
          {
            "average": 1,
            "count": 2946597,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2946597,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2946597,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.00888076,
            "count": 2946597,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.859646855,
            "variance": 8.177580136
          },
          {
            "average": 100.0671561,
            "count": 2946597,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 75.45401399,
            "variance": 5693.308227
          },
          {
            "average": 4.368377148,
            "count": 2946597,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.510919085,
            "variance": 2.282876482
          },
          {
            "average": 63846498.13,
            "count": 2946597,
            "maximum": 63848640.4,
            "minimum": 63832923.06,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1127.559818,
            "variance": 1271391.144
          },
          {
            "average": 0,
            "count": 2946597,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2946597,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2946597,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2946597,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2946597,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7644,
          2392998.487,
          -18.49630355,
          612999.7644,
          2393998.487,
          0.4236964492
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.764412587,
                2392998.486772725,
                -18.496303550778276
              ],
              [
                611999.764412587,
                2393998.486772725,
                -18.496303550778276
              ],
              [
                612999.764412587,
                2393998.486772725,
                0.423696449221726
              ],
              [
                612999.764412587,
                2392998.486772725,
                0.423696449221726
              ],
              [
                611999.764412587,
                2392998.486772725,
                -18.496303550778276
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:30:40+00:00",
        "end_time": "2013-09-21T21:08:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1293.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1293.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1293.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1293.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.917733,
            21.63657183,
            -18.49630355,
            -157.9080033,
            21.64566838,
            0.4236964492
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.91773299362004,
                  21.636635038195973,
                  -18.496303550778276
                ],
                [
                  -157.91766567962384,
                  21.645668378984602,
                  -18.496303550778276
                ],
                [
                  -157.90800329750635,
                  21.64560514446469,
                  0.423696449221726
                ],
                [
                  -157.90807121186552,
                  21.63657183283536,
                  0.423696449221726
                ],
                [
                  -157.91773299362004,
                  21.636635038195973,
                  -18.496303550778276
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1293.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1293.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:30:40Z",
            "pc:count": 2946597,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612417.2204,
                "count": 2946597,
                "maximum": 612999.7644,
                "minimum": 611999.7644,
                "name": "X",
                "position": 0,
                "stddev": 262.2515679,
                "variance": 68775.88487
              },
              {
                "average": 2393508.716,
                "count": 2946597,
                "maximum": 2393998.487,
                "minimum": 2392998.487,
                "name": "Y",
                "position": 1,
                "stddev": 291.2811077,
                "variance": 84844.68373
              },
              {
                "average": -3.502774008,
                "count": 2946597,
                "maximum": 0.4236964492,
                "minimum": -18.49630355,
                "name": "Z",
                "position": 2,
                "stddev": 2.622063212,
                "variance": 6.875215485
              },
              {
                "average": 7.431400697,
                "count": 2946597,
                "maximum": 4395,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.20367349,
                "variance": 493.0031165
              },
              {
                "average": 1.017022688,
                "count": 2946597,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1316417182,
                "variance": 0.01732954196
              },
              {
                "average": 1.02504618,
                "count": 2946597,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1586748854,
                "variance": 0.02517771925
              },
              {
                "average": 1,
                "count": 2946597,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2946597,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2946597,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.00888076,
                "count": 2946597,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.859646855,
                "variance": 8.177580136
              },
              {
                "average": 100.0671561,
                "count": 2946597,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 75.45401399,
                "variance": 5693.308227
              },
              {
                "average": 4.368377148,
                "count": 2946597,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.510919085,
                "variance": 2.282876482
              },
              {
                "average": 63846498.13,
                "count": 2946597,
                "maximum": 63848640.4,
                "minimum": 63832923.06,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1127.559818,
                "variance": 1271391.144
              },
              {
                "average": 0,
                "count": 2946597,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2946597,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2946597,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2946597,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2946597,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7644,
              2392998.487,
              -18.49630355,
              612999.7644,
              2393998.487,
              0.4236964492
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.764412587,
                    2392998.486772725,
                    -18.496303550778276
                  ],
                  [
                    611999.764412587,
                    2393998.486772725,
                    -18.496303550778276
                  ],
                  [
                    612999.764412587,
                    2393998.486772725,
                    0.423696449221726
                  ],
                  [
                    612999.764412587,
                    2392998.486772725,
                    0.423696449221726
                  ],
                  [
                    611999.764412587,
                    2392998.486772725,
                    -18.496303550778276
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:30:40+00:00",
            "end_time": "2013-09-21T21:08:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj1858.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8622214619843,
              21.32008007085514,
              6.378883055155466
            ],
            [
              -157.8622159192281,
              21.320799319228648,
              6.378883055155466
            ],
            [
              -157.85978797538095,
              21.320782875558248,
              63.55888305515546
            ],
            [
              -157.85979352995426,
              21.320063627793836,
              63.55888305515546
            ],
            [
              -157.8622214619843,
              21.32008007085514,
              6.378883055155466
            ]
          ]
        ]
      },
      "bbox": [
        -157.8622215,
        21.32006363,
        6.378883055,
        -157.859788,
        21.32079932,
        63.55888306
      ],
      "properties": {
        "datetime": "2013-09-16T10:01:26Z",
        "pc:count": 21353,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618104.6646,
            "count": 21353,
            "maximum": 618251.6221,
            "minimum": 617999.7821,
            "name": "X",
            "position": 0,
            "stddev": 67.32824343,
            "variance": 4533.092364
          },
          {
            "average": 2358031.128,
            "count": 21353,
            "maximum": 2358078.062,
            "minimum": 2357998.442,
            "name": "Y",
            "position": 1,
            "stddev": 20.63021944,
            "variance": 425.605954
          },
          {
            "average": 13.71397227,
            "count": 21353,
            "maximum": 63.55888306,
            "minimum": 6.378883055,
            "name": "Z",
            "position": 2,
            "stddev": 5.85915845,
            "variance": 34.32973774
          },
          {
            "average": 31.29274575,
            "count": 21353,
            "maximum": 918,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 61.72057461,
            "variance": 3809.42933
          },
          {
            "average": 1.281787103,
            "count": 21353,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6032992455,
            "variance": 0.3639699796
          },
          {
            "average": 1.519926942,
            "count": 21353,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8472668654,
            "variance": 0.7178611412
          },
          {
            "average": 1,
            "count": 21353,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21353,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.500210743,
            "count": 21353,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.500011664,
            "variance": 0.2500116641
          },
          {
            "average": 0,
            "count": 21353,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 92.1690629,
            "count": 21353,
            "maximum": 191,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.17140387,
            "variance": 4117.969075
          },
          {
            "average": 5,
            "count": 21353,
            "maximum": 5,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63360885.44,
            "count": 21353,
            "maximum": 63360886.28,
            "minimum": 63360884.94,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.341469153,
            "variance": 0.1166011825
          },
          {
            "average": 0,
            "count": 21353,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21353,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21353,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21353,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 21353,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.7821,
          2357998.442,
          6.378883055,
          618251.6221,
          2358078.062,
          63.55888306
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.782060647,
                2357998.4419331118,
                6.378883055155466
              ],
              [
                617999.782060647,
                2358078.061933112,
                6.378883055155466
              ],
              [
                618251.6220606471,
                2358078.061933112,
                63.55888305515546
              ],
              [
                618251.6220606471,
                2357998.4419331118,
                63.55888305515546
              ],
              [
                617999.782060647,
                2357998.4419331118,
                6.378883055155466
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:01:26+00:00",
        "end_time": "2013-09-16T10:01:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj1858.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj1858.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj1858.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1858.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8622215,
            21.32006363,
            6.378883055,
            -157.859788,
            21.32079932,
            63.55888306
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8622214619843,
                  21.32008007085514,
                  6.378883055155466
                ],
                [
                  -157.8622159192281,
                  21.320799319228648,
                  6.378883055155466
                ],
                [
                  -157.85978797538095,
                  21.320782875558248,
                  63.55888305515546
                ],
                [
                  -157.85979352995426,
                  21.320063627793836,
                  63.55888305515546
                ],
                [
                  -157.8622214619843,
                  21.32008007085514,
                  6.378883055155466
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj1858.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1858.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:01:26Z",
            "pc:count": 21353,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618104.6646,
                "count": 21353,
                "maximum": 618251.6221,
                "minimum": 617999.7821,
                "name": "X",
                "position": 0,
                "stddev": 67.32824343,
                "variance": 4533.092364
              },
              {
                "average": 2358031.128,
                "count": 21353,
                "maximum": 2358078.062,
                "minimum": 2357998.442,
                "name": "Y",
                "position": 1,
                "stddev": 20.63021944,
                "variance": 425.605954
              },
              {
                "average": 13.71397227,
                "count": 21353,
                "maximum": 63.55888306,
                "minimum": 6.378883055,
                "name": "Z",
                "position": 2,
                "stddev": 5.85915845,
                "variance": 34.32973774
              },
              {
                "average": 31.29274575,
                "count": 21353,
                "maximum": 918,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 61.72057461,
                "variance": 3809.42933
              },
              {
                "average": 1.281787103,
                "count": 21353,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6032992455,
                "variance": 0.3639699796
              },
              {
                "average": 1.519926942,
                "count": 21353,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8472668654,
                "variance": 0.7178611412
              },
              {
                "average": 1,
                "count": 21353,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21353,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.500210743,
                "count": 21353,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.500011664,
                "variance": 0.2500116641
              },
              {
                "average": 0,
                "count": 21353,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 92.1690629,
                "count": 21353,
                "maximum": 191,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.17140387,
                "variance": 4117.969075
              },
              {
                "average": 5,
                "count": 21353,
                "maximum": 5,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63360885.44,
                "count": 21353,
                "maximum": 63360886.28,
                "minimum": 63360884.94,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.341469153,
                "variance": 0.1166011825
              },
              {
                "average": 0,
                "count": 21353,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21353,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21353,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21353,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 21353,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.7821,
              2357998.442,
              6.378883055,
              618251.6221,
              2358078.062,
              63.55888306
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.782060647,
                    2357998.4419331118,
                    6.378883055155466
                  ],
                  [
                    617999.782060647,
                    2358078.061933112,
                    6.378883055155466
                  ],
                  [
                    618251.6220606471,
                    2358078.061933112,
                    63.55888305515546
                  ],
                  [
                    618251.6220606471,
                    2357998.4419331118,
                    63.55888305515546
                  ],
                  [
                    617999.782060647,
                    2357998.4419331118,
                    6.378883055155466
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:01:26+00:00",
            "end_time": "2013-09-16T10:01:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj1873.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85233451446072,
              21.463647354715118,
              28.885934292222625
            ],
            [
              -157.85232740434898,
              21.46455538488368,
              28.885934292222625
            ],
            [
              -157.85145270896797,
              21.46454938088166,
              62.265934292222624
            ],
            [
              -157.85145982449475,
              21.463641350993772,
              62.265934292222624
            ],
            [
              -157.85233451446072,
              21.463647354715118,
              28.885934292222625
            ]
          ]
        ]
      },
      "bbox": [
        -157.8523345,
        21.46364135,
        28.88593429,
        -157.8514527,
        21.46455538,
        62.26593429
      ],
      "properties": {
        "datetime": "2013-09-21T00:49:34Z",
        "pc:count": 55027,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618968.3662,
            "count": 55027,
            "maximum": 618999.7944,
            "minimum": 618909.1544,
            "name": "X",
            "position": 0,
            "stddev": 21.63686957,
            "variance": 468.1541247
          },
          {
            "average": 2373956.748,
            "count": 55027,
            "maximum": 2373998.483,
            "minimum": 2373897.963,
            "name": "Y",
            "position": 1,
            "stddev": 25.52258694,
            "variance": 651.4024439
          },
          {
            "average": 45.6745497,
            "count": 55027,
            "maximum": 62.26593429,
            "minimum": 28.88593429,
            "name": "Z",
            "position": 2,
            "stddev": 5.877319323,
            "variance": 34.54288242
          },
          {
            "average": 9.806131535,
            "count": 55027,
            "maximum": 620,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.63758006,
            "variance": 347.3593903
          },
          {
            "average": 1.931742599,
            "count": 55027,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.103613554,
            "variance": 1.217962876
          },
          {
            "average": 2.838988133,
            "count": 55027,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.452237152,
            "variance": 2.108992746
          },
          {
            "average": 1,
            "count": 55027,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 55027,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.10940084,
            "count": 55027,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.312144304,
            "variance": 0.09743406654
          },
          {
            "average": 19.25405451,
            "count": 55027,
            "maximum": 21,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.8039242935,
            "variance": 0.6462942696
          },
          {
            "average": 91.30615879,
            "count": 55027,
            "maximum": 199,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.90222979,
            "variance": 4610.712811
          },
          {
            "average": 5,
            "count": 55027,
            "maximum": 5,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63759772.75,
            "count": 55027,
            "maximum": 63759774.54,
            "minimum": 63759770.79,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.9894358914,
            "variance": 0.9789833831
          },
          {
            "average": 0,
            "count": 55027,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 55027,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 55027,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 55027,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 55027,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618909.1544,
          2373897.963,
          28.88593429,
          618999.7944,
          2373998.483,
          62.26593429
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618909.1544023155,
                2373897.962651211,
                28.885934292222625
              ],
              [
                618909.1544023155,
                2373998.4826512104,
                28.885934292222625
              ],
              [
                618999.7944023154,
                2373998.4826512104,
                62.265934292222624
              ],
              [
                618999.7944023154,
                2373897.962651211,
                62.265934292222624
              ],
              [
                618909.1544023155,
                2373897.962651211,
                28.885934292222625
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:49:34+00:00",
        "end_time": "2013-09-21T00:49:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj1873.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj1873.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj1873.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1873.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8523345,
            21.46364135,
            28.88593429,
            -157.8514527,
            21.46455538,
            62.26593429
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85233451446072,
                  21.463647354715118,
                  28.885934292222625
                ],
                [
                  -157.85232740434898,
                  21.46455538488368,
                  28.885934292222625
                ],
                [
                  -157.85145270896797,
                  21.46454938088166,
                  62.265934292222624
                ],
                [
                  -157.85145982449475,
                  21.463641350993772,
                  62.265934292222624
                ],
                [
                  -157.85233451446072,
                  21.463647354715118,
                  28.885934292222625
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj1873.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1873.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:49:34Z",
            "pc:count": 55027,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618968.3662,
                "count": 55027,
                "maximum": 618999.7944,
                "minimum": 618909.1544,
                "name": "X",
                "position": 0,
                "stddev": 21.63686957,
                "variance": 468.1541247
              },
              {
                "average": 2373956.748,
                "count": 55027,
                "maximum": 2373998.483,
                "minimum": 2373897.963,
                "name": "Y",
                "position": 1,
                "stddev": 25.52258694,
                "variance": 651.4024439
              },
              {
                "average": 45.6745497,
                "count": 55027,
                "maximum": 62.26593429,
                "minimum": 28.88593429,
                "name": "Z",
                "position": 2,
                "stddev": 5.877319323,
                "variance": 34.54288242
              },
              {
                "average": 9.806131535,
                "count": 55027,
                "maximum": 620,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.63758006,
                "variance": 347.3593903
              },
              {
                "average": 1.931742599,
                "count": 55027,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.103613554,
                "variance": 1.217962876
              },
              {
                "average": 2.838988133,
                "count": 55027,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.452237152,
                "variance": 2.108992746
              },
              {
                "average": 1,
                "count": 55027,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 55027,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.10940084,
                "count": 55027,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.312144304,
                "variance": 0.09743406654
              },
              {
                "average": 19.25405451,
                "count": 55027,
                "maximum": 21,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.8039242935,
                "variance": 0.6462942696
              },
              {
                "average": 91.30615879,
                "count": 55027,
                "maximum": 199,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.90222979,
                "variance": 4610.712811
              },
              {
                "average": 5,
                "count": 55027,
                "maximum": 5,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63759772.75,
                "count": 55027,
                "maximum": 63759774.54,
                "minimum": 63759770.79,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.9894358914,
                "variance": 0.9789833831
              },
              {
                "average": 0,
                "count": 55027,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 55027,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 55027,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 55027,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 55027,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618909.1544,
              2373897.963,
              28.88593429,
              618999.7944,
              2373998.483,
              62.26593429
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618909.1544023155,
                    2373897.962651211,
                    28.885934292222625
                  ],
                  [
                    618909.1544023155,
                    2373998.4826512104,
                    28.885934292222625
                  ],
                  [
                    618999.7944023154,
                    2373998.4826512104,
                    62.265934292222624
                  ],
                  [
                    618999.7944023154,
                    2373897.962651211,
                    62.265934292222624
                  ],
                  [
                    618909.1544023155,
                    2373897.962651211,
                    28.885934292222625
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:49:34+00:00",
            "end_time": "2013-09-21T00:49:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj1973.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85152346186104,
              21.455515964609816,
              0.133909138336421
            ],
            [
              -157.85145269179134,
              21.464549294481596,
              0.133909138336421
            ],
            [
              -157.84180249736352,
              21.464482750831994,
              55.91390913833642
            ],
            [
              -157.84187386171757,
              21.455449451849415,
              55.91390913833642
            ],
            [
              -157.85152346186104,
              21.455515964609816,
              0.133909138336421
            ]
          ]
        ]
      },
      "bbox": [
        -157.8515235,
        21.45544945,
        0.1339091383,
        -157.8418025,
        21.46454929,
        55.91390914
      ],
      "properties": {
        "datetime": "2013-09-21T00:49:55Z",
        "pc:count": 3078399,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619651.4591,
            "count": 3078399,
            "maximum": 619999.7963,
            "minimum": 618999.7963,
            "name": "X",
            "position": 0,
            "stddev": 257.5757627,
            "variance": 66345.27352
          },
          {
            "average": 2373609.916,
            "count": 3078399,
            "maximum": 2373998.473,
            "minimum": 2372998.473,
            "name": "Y",
            "position": 1,
            "stddev": 251.1316014,
            "variance": 63067.08124
          },
          {
            "average": 11.15616385,
            "count": 3078399,
            "maximum": 55.91390914,
            "minimum": 0.1339091383,
            "name": "Z",
            "position": 2,
            "stddev": 9.993898754,
            "variance": 99.87801231
          },
          {
            "average": 19.2686757,
            "count": 3078399,
            "maximum": 961,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.46605221,
            "variance": 928.1803372
          },
          {
            "average": 1.435288278,
            "count": 3078399,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8192861826,
            "variance": 0.6712298491
          },
          {
            "average": 1.871405234,
            "count": 3078399,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.219958212,
            "variance": 1.488298038
          },
          {
            "average": 1,
            "count": 3078399,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3078399,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.349032403,
            "count": 3078399,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.930035563,
            "variance": 3.725037274
          },
          {
            "average": 20.13846496,
            "count": 3078399,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.19249891,
            "variance": 4.807051469
          },
          {
            "average": 91.65276366,
            "count": 3078399,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.5436882,
            "variance": 4295.975062
          },
          {
            "average": 4.284532317,
            "count": 3078399,
            "maximum": 5,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9174724416,
            "variance": 0.8417556812
          },
          {
            "average": 63759441.29,
            "count": 3078399,
            "maximum": 63759795.52,
            "minimum": 63758313.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 490.0282174,
            "variance": 240127.6539
          },
          {
            "average": 0,
            "count": 3078399,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3078399,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3078399,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3078399,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3078399,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.7963,
          2372998.473,
          0.1339091383,
          619999.7963,
          2373998.473,
          55.91390914
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.796252301,
                2372998.47310019,
                0.133909138336421
              ],
              [
                618999.796252301,
                2373998.47310019,
                0.133909138336421
              ],
              [
                619999.796252301,
                2373998.47310019,
                55.91390913833642
              ],
              [
                619999.796252301,
                2372998.47310019,
                55.91390913833642
              ],
              [
                618999.796252301,
                2372998.47310019,
                0.133909138336421
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:49:55+00:00",
        "end_time": "2013-09-21T00:25:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj1973.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj1973.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj1973.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1973.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8515235,
            21.45544945,
            0.1339091383,
            -157.8418025,
            21.46454929,
            55.91390914
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85152346186104,
                  21.455515964609816,
                  0.133909138336421
                ],
                [
                  -157.85145269179134,
                  21.464549294481596,
                  0.133909138336421
                ],
                [
                  -157.84180249736352,
                  21.464482750831994,
                  55.91390913833642
                ],
                [
                  -157.84187386171757,
                  21.455449451849415,
                  55.91390913833642
                ],
                [
                  -157.85152346186104,
                  21.455515964609816,
                  0.133909138336421
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj1973.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1973.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:49:55Z",
            "pc:count": 3078399,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619651.4591,
                "count": 3078399,
                "maximum": 619999.7963,
                "minimum": 618999.7963,
                "name": "X",
                "position": 0,
                "stddev": 257.5757627,
                "variance": 66345.27352
              },
              {
                "average": 2373609.916,
                "count": 3078399,
                "maximum": 2373998.473,
                "minimum": 2372998.473,
                "name": "Y",
                "position": 1,
                "stddev": 251.1316014,
                "variance": 63067.08124
              },
              {
                "average": 11.15616385,
                "count": 3078399,
                "maximum": 55.91390914,
                "minimum": 0.1339091383,
                "name": "Z",
                "position": 2,
                "stddev": 9.993898754,
                "variance": 99.87801231
              },
              {
                "average": 19.2686757,
                "count": 3078399,
                "maximum": 961,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.46605221,
                "variance": 928.1803372
              },
              {
                "average": 1.435288278,
                "count": 3078399,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8192861826,
                "variance": 0.6712298491
              },
              {
                "average": 1.871405234,
                "count": 3078399,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.219958212,
                "variance": 1.488298038
              },
              {
                "average": 1,
                "count": 3078399,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3078399,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.349032403,
                "count": 3078399,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.930035563,
                "variance": 3.725037274
              },
              {
                "average": 20.13846496,
                "count": 3078399,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.19249891,
                "variance": 4.807051469
              },
              {
                "average": 91.65276366,
                "count": 3078399,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.5436882,
                "variance": 4295.975062
              },
              {
                "average": 4.284532317,
                "count": 3078399,
                "maximum": 5,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9174724416,
                "variance": 0.8417556812
              },
              {
                "average": 63759441.29,
                "count": 3078399,
                "maximum": 63759795.52,
                "minimum": 63758313.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 490.0282174,
                "variance": 240127.6539
              },
              {
                "average": 0,
                "count": 3078399,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3078399,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3078399,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3078399,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3078399,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.7963,
              2372998.473,
              0.1339091383,
              619999.7963,
              2373998.473,
              55.91390914
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.796252301,
                    2372998.47310019,
                    0.133909138336421
                  ],
                  [
                    618999.796252301,
                    2373998.47310019,
                    0.133909138336421
                  ],
                  [
                    619999.796252301,
                    2373998.47310019,
                    55.91390913833642
                  ],
                  [
                    619999.796252301,
                    2372998.47310019,
                    55.91390913833642
                  ],
                  [
                    618999.796252301,
                    2372998.47310019,
                    0.133909138336421
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:49:55+00:00",
            "end_time": "2013-09-21T00:25:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2174.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8321522932167,
              21.464415678258195,
              -13.114164659299803
            ],
            [
              -157.83208029635017,
              21.473448936477855,
              -13.114164659299803
            ],
            [
              -157.8224295459309,
              21.473381255069228,
              0.525835340700197
            ],
            [
              -157.82250213316132,
              21.464348028681158,
              0.525835340700197
            ],
            [
              -157.8321522932167,
              21.464415678258195,
              -13.114164659299803
            ]
          ]
        ]
      },
      "bbox": [
        -157.8321523,
        21.46434803,
        -13.11416466,
        -157.8224295,
        21.47344894,
        0.5258353407
      ],
      "properties": {
        "datetime": "2013-09-23T23:15:02Z",
        "pc:count": 488580,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621358.1948,
            "count": 488580,
            "maximum": 621999.8009,
            "minimum": 620999.8009,
            "name": "X",
            "position": 0,
            "stddev": 277.7827894,
            "variance": 77163.27807
          },
          {
            "average": 2374437.36,
            "count": 488580,
            "maximum": 2374998.476,
            "minimum": 2373998.476,
            "name": "Y",
            "position": 1,
            "stddev": 312.4942578,
            "variance": 97652.66113
          },
          {
            "average": -1.285514367,
            "count": 488580,
            "maximum": 0.5258353407,
            "minimum": -13.11416466,
            "name": "Z",
            "position": 2,
            "stddev": 2.657542185,
            "variance": 7.062530465
          },
          {
            "average": 2.354551967,
            "count": 488580,
            "maximum": 5410,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.77191624,
            "variance": 248.7533419
          },
          {
            "average": 1.034555242,
            "count": 488580,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1887999481,
            "variance": 0.0356454204
          },
          {
            "average": 1.064118466,
            "count": 488580,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2580499275,
            "variance": 0.06658976506
          },
          {
            "average": 1,
            "count": 488580,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 488580,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.99977076,
            "count": 488580,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.08011592496,
            "variance": 0.006418561431
          },
          {
            "average": 19.43191158,
            "count": 488580,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.1209523,
            "variance": 16.98224786
          },
          {
            "average": 97.25172746,
            "count": 488580,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.83368628,
            "variance": 6058.08272
          },
          {
            "average": 5.852296451,
            "count": 488580,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.294458669,
            "variance": 5.264540583
          },
          {
            "average": 63878254.57,
            "count": 488580,
            "maximum": 64013302.51,
            "minimum": 63739916.28,
            "name": "GpsTime",
            "position": 12,
            "stddev": 134565.6539,
            "variance": 18107915210.0
          },
          {
            "average": 0,
            "count": 488580,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 488580,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 488580,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 488580,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 488580,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.8009,
          2373998.476,
          -13.11416466,
          621999.8009,
          2374998.476,
          0.5258353407
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.8009434964,
                2373998.4762045993,
                -13.114164659299803
              ],
              [
                620999.8009434964,
                2374998.4762045993,
                -13.114164659299803
              ],
              [
                621999.8009434964,
                2374998.4762045993,
                0.525835340700197
              ],
              [
                621999.8009434964,
                2373998.4762045993,
                0.525835340700197
              ],
              [
                620999.8009434964,
                2373998.4762045993,
                -13.114164659299803
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:15:02+00:00",
        "end_time": "2013-09-20T19:18:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2174.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2174.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2174.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2174.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8321523,
            21.46434803,
            -13.11416466,
            -157.8224295,
            21.47344894,
            0.5258353407
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8321522932167,
                  21.464415678258195,
                  -13.114164659299803
                ],
                [
                  -157.83208029635017,
                  21.473448936477855,
                  -13.114164659299803
                ],
                [
                  -157.8224295459309,
                  21.473381255069228,
                  0.525835340700197
                ],
                [
                  -157.82250213316132,
                  21.464348028681158,
                  0.525835340700197
                ],
                [
                  -157.8321522932167,
                  21.464415678258195,
                  -13.114164659299803
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2174.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2174.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:15:02Z",
            "pc:count": 488580,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621358.1948,
                "count": 488580,
                "maximum": 621999.8009,
                "minimum": 620999.8009,
                "name": "X",
                "position": 0,
                "stddev": 277.7827894,
                "variance": 77163.27807
              },
              {
                "average": 2374437.36,
                "count": 488580,
                "maximum": 2374998.476,
                "minimum": 2373998.476,
                "name": "Y",
                "position": 1,
                "stddev": 312.4942578,
                "variance": 97652.66113
              },
              {
                "average": -1.285514367,
                "count": 488580,
                "maximum": 0.5258353407,
                "minimum": -13.11416466,
                "name": "Z",
                "position": 2,
                "stddev": 2.657542185,
                "variance": 7.062530465
              },
              {
                "average": 2.354551967,
                "count": 488580,
                "maximum": 5410,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.77191624,
                "variance": 248.7533419
              },
              {
                "average": 1.034555242,
                "count": 488580,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1887999481,
                "variance": 0.0356454204
              },
              {
                "average": 1.064118466,
                "count": 488580,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2580499275,
                "variance": 0.06658976506
              },
              {
                "average": 1,
                "count": 488580,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 488580,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.99977076,
                "count": 488580,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.08011592496,
                "variance": 0.006418561431
              },
              {
                "average": 19.43191158,
                "count": 488580,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.1209523,
                "variance": 16.98224786
              },
              {
                "average": 97.25172746,
                "count": 488580,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.83368628,
                "variance": 6058.08272
              },
              {
                "average": 5.852296451,
                "count": 488580,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.294458669,
                "variance": 5.264540583
              },
              {
                "average": 63878254.57,
                "count": 488580,
                "maximum": 64013302.51,
                "minimum": 63739916.28,
                "name": "GpsTime",
                "position": 12,
                "stddev": 134565.6539,
                "variance": 18107915210.0
              },
              {
                "average": 0,
                "count": 488580,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 488580,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 488580,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 488580,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 488580,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.8009,
              2373998.476,
              -13.11416466,
              621999.8009,
              2374998.476,
              0.5258353407
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.8009434964,
                    2373998.4762045993,
                    -13.114164659299803
                  ],
                  [
                    620999.8009434964,
                    2374998.4762045993,
                    -13.114164659299803
                  ],
                  [
                    621999.8009434964,
                    2374998.4762045993,
                    0.525835340700197
                  ],
                  [
                    621999.8009434964,
                    2373998.4762045993,
                    0.525835340700197
                  ],
                  [
                    620999.8009434964,
                    2373998.4762045993,
                    -13.114164659299803
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:15:02+00:00",
            "end_time": "2013-09-20T19:18:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1754.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.87213814120727,
              21.28401063958837,
              -53.20923845262858
            ],
            [
              -157.87206924029562,
              21.293044405978847,
              -53.20923845262858
            ],
            [
              -157.86243021186448,
              21.29297955150248,
              25.290761547371414
            ],
            [
              -157.8624997021599,
              21.2839458147127,
              25.290761547371414
            ],
            [
              -157.87213814120727,
              21.28401063958837,
              -53.20923845262858
            ]
          ]
        ]
      },
      "bbox": [
        -157.8721381,
        21.28394581,
        -53.20923845,
        -157.8624302,
        21.29304441,
        25.29076155
      ],
      "properties": {
        "datetime": "2013-09-17T12:49:31Z",
        "pc:count": 2306368,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617525.6128,
            "count": 2306368,
            "maximum": 617999.7748,
            "minimum": 616999.7748,
            "name": "X",
            "position": 0,
            "stddev": 299.5009328,
            "variance": 89700.80875
          },
          {
            "average": 2354708.574,
            "count": 2306368,
            "maximum": 2354998.45,
            "minimum": 2353998.43,
            "name": "Y",
            "position": 1,
            "stddev": 239.6335473,
            "variance": 57424.23699
          },
          {
            "average": -7.266403476,
            "count": 2306368,
            "maximum": 25.29076155,
            "minimum": -53.20923845,
            "name": "Z",
            "position": 2,
            "stddev": 9.2322311,
            "variance": 85.23409108
          },
          {
            "average": 54.37780094,
            "count": 2306368,
            "maximum": 3386,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 199.0574426,
            "variance": 39623.86545
          },
          {
            "average": 1.072252563,
            "count": 2306368,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2939112221,
            "variance": 0.08638380648
          },
          {
            "average": 1.101298232,
            "count": 2306368,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3879110826,
            "variance": 0.150475008
          },
          {
            "average": 1,
            "count": 2306368,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2306368,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.79894059,
            "count": 2306368,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.478907157,
            "variance": 55.93405227
          },
          {
            "average": 16.74115808,
            "count": 2306368,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.793866552,
            "variance": 60.74435582
          },
          {
            "average": 120.765746,
            "count": 2306368,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 88.19125452,
            "variance": 7777.697373
          },
          {
            "average": 10.46973293,
            "count": 2306368,
            "maximum": 16,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.083120721,
            "variance": 9.505633382
          },
          {
            "average": 63312690.02,
            "count": 2306368,
            "maximum": 63457371.9,
            "minimum": 63279923.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 67480.55785,
            "variance": 4553625688
          },
          {
            "average": 0,
            "count": 2306368,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2306368,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2306368,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2306368,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2306368,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.7748,
          2353998.43,
          -53.20923845,
          617999.7748,
          2354998.45,
          25.29076155
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.7748170058,
                2353998.43044856,
                -53.20923845262858
              ],
              [
                616999.7748170058,
                2354998.4504485596,
                -53.20923845262858
              ],
              [
                617999.7748170058,
                2354998.4504485596,
                25.290761547371414
              ],
              [
                617999.7748170058,
                2353998.43044856,
                25.290761547371414
              ],
              [
                616999.7748170058,
                2353998.43044856,
                -53.20923845262858
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:49:31+00:00",
        "end_time": "2013-09-15T11:32:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1754.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1754.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1754.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1754.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8721381,
            21.28394581,
            -53.20923845,
            -157.8624302,
            21.29304441,
            25.29076155
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.87213814120727,
                  21.28401063958837,
                  -53.20923845262858
                ],
                [
                  -157.87206924029562,
                  21.293044405978847,
                  -53.20923845262858
                ],
                [
                  -157.86243021186448,
                  21.29297955150248,
                  25.290761547371414
                ],
                [
                  -157.8624997021599,
                  21.2839458147127,
                  25.290761547371414
                ],
                [
                  -157.87213814120727,
                  21.28401063958837,
                  -53.20923845262858
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1754.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1754.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:49:31Z",
            "pc:count": 2306368,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617525.6128,
                "count": 2306368,
                "maximum": 617999.7748,
                "minimum": 616999.7748,
                "name": "X",
                "position": 0,
                "stddev": 299.5009328,
                "variance": 89700.80875
              },
              {
                "average": 2354708.574,
                "count": 2306368,
                "maximum": 2354998.45,
                "minimum": 2353998.43,
                "name": "Y",
                "position": 1,
                "stddev": 239.6335473,
                "variance": 57424.23699
              },
              {
                "average": -7.266403476,
                "count": 2306368,
                "maximum": 25.29076155,
                "minimum": -53.20923845,
                "name": "Z",
                "position": 2,
                "stddev": 9.2322311,
                "variance": 85.23409108
              },
              {
                "average": 54.37780094,
                "count": 2306368,
                "maximum": 3386,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 199.0574426,
                "variance": 39623.86545
              },
              {
                "average": 1.072252563,
                "count": 2306368,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2939112221,
                "variance": 0.08638380648
              },
              {
                "average": 1.101298232,
                "count": 2306368,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3879110826,
                "variance": 0.150475008
              },
              {
                "average": 1,
                "count": 2306368,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2306368,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.79894059,
                "count": 2306368,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.478907157,
                "variance": 55.93405227
              },
              {
                "average": 16.74115808,
                "count": 2306368,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.793866552,
                "variance": 60.74435582
              },
              {
                "average": 120.765746,
                "count": 2306368,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 88.19125452,
                "variance": 7777.697373
              },
              {
                "average": 10.46973293,
                "count": 2306368,
                "maximum": 16,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.083120721,
                "variance": 9.505633382
              },
              {
                "average": 63312690.02,
                "count": 2306368,
                "maximum": 63457371.9,
                "minimum": 63279923.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 67480.55785,
                "variance": 4553625688
              },
              {
                "average": 0,
                "count": 2306368,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2306368,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2306368,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2306368,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2306368,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.7748,
              2353998.43,
              -53.20923845,
              617999.7748,
              2354998.45,
              25.29076155
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.7748170058,
                    2353998.43044856,
                    -53.20923845262858
                  ],
                  [
                    616999.7748170058,
                    2354998.4504485596,
                    -53.20923845262858
                  ],
                  [
                    617999.7748170058,
                    2354998.4504485596,
                    25.290761547371414
                  ],
                  [
                    617999.7748170058,
                    2353998.43044856,
                    25.290761547371414
                  ],
                  [
                    616999.7748170058,
                    2353998.43044856,
                    -53.20923845262858
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:49:31+00:00",
            "end_time": "2013-09-15T11:32:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2055.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84315222289766,
              21.292848140921592,
              0.380511107592149
            ],
            [
              -157.84310096973329,
              21.299397056220236,
              0.380511107592149
            ],
            [
              -157.83346163169858,
              21.29933051772188,
              112.92051110759215
            ],
            [
              -157.83351331181106,
              21.292781624926356,
              112.92051110759215
            ],
            [
              -157.84315222289766,
              21.292848140921592,
              0.380511107592149
            ]
          ]
        ]
      },
      "bbox": [
        -157.8431522,
        21.29278162,
        0.3805111076,
        -157.8334616,
        21.29939706,
        112.9205111
      ],
      "properties": {
        "datetime": "2013-09-15T11:04:33Z",
        "pc:count": 3157387,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620406.0567,
            "count": 3157387,
            "maximum": 620999.7799,
            "minimum": 619999.7799,
            "name": "X",
            "position": 0,
            "stddev": 275.9491247,
            "variance": 76147.9194
          },
          {
            "average": 2355297.9,
            "count": 3157387,
            "maximum": 2355723.406,
            "minimum": 2354998.446,
            "name": "Y",
            "position": 1,
            "stddev": 188.3957936,
            "variance": 35492.97506
          },
          {
            "average": 10.49324157,
            "count": 3157387,
            "maximum": 112.9205111,
            "minimum": 0.3805111076,
            "name": "Z",
            "position": 2,
            "stddev": 10.89679487,
            "variance": 118.7401384
          },
          {
            "average": 27.74735438,
            "count": 3157387,
            "maximum": 909,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 58.25123026,
            "variance": 3393.205827
          },
          {
            "average": 1.410640191,
            "count": 3157387,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.777168932,
            "variance": 0.6039915489
          },
          {
            "average": 1.821943905,
            "count": 3157387,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.157218243,
            "variance": 1.339154062
          },
          {
            "average": 1,
            "count": 3157387,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3157387,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.19151786,
            "count": 3157387,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3934956392,
            "variance": 0.1548388181
          },
          {
            "average": 20.00462929,
            "count": 3157387,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.416974494,
            "variance": 19.50966368
          },
          {
            "average": 91.66800015,
            "count": 3157387,
            "maximum": 207,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.45614858,
            "variance": 4284.507387
          },
          {
            "average": 1.735167086,
            "count": 3157387,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8401663456,
            "variance": 0.7058794883
          },
          {
            "average": 63277588.02,
            "count": 3157387,
            "maximum": 63278273.88,
            "minimum": 63277351.91,
            "name": "GpsTime",
            "position": 12,
            "stddev": 251.8232686,
            "variance": 63414.95863
          },
          {
            "average": 0,
            "count": 3157387,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3157387,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3157387,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3157387,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3157387,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.7799,
          2354998.446,
          0.3805111076,
          620999.7799,
          2355723.406,
          112.9205111
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.7799155561,
                2354998.446048533,
                0.380511107592149
              ],
              [
                619999.7799155561,
                2355723.406048533,
                0.380511107592149
              ],
              [
                620999.7799155561,
                2355723.406048533,
                112.92051110759215
              ],
              [
                620999.7799155561,
                2354998.446048533,
                112.92051110759215
              ],
              [
                619999.7799155561,
                2354998.446048533,
                0.380511107592149
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T11:04:33+00:00",
        "end_time": "2013-09-15T10:49:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2055.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2055.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2055.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2055.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8431522,
            21.29278162,
            0.3805111076,
            -157.8334616,
            21.29939706,
            112.9205111
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84315222289766,
                  21.292848140921592,
                  0.380511107592149
                ],
                [
                  -157.84310096973329,
                  21.299397056220236,
                  0.380511107592149
                ],
                [
                  -157.83346163169858,
                  21.29933051772188,
                  112.92051110759215
                ],
                [
                  -157.83351331181106,
                  21.292781624926356,
                  112.92051110759215
                ],
                [
                  -157.84315222289766,
                  21.292848140921592,
                  0.380511107592149
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2055.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2055.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T11:04:33Z",
            "pc:count": 3157387,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620406.0567,
                "count": 3157387,
                "maximum": 620999.7799,
                "minimum": 619999.7799,
                "name": "X",
                "position": 0,
                "stddev": 275.9491247,
                "variance": 76147.9194
              },
              {
                "average": 2355297.9,
                "count": 3157387,
                "maximum": 2355723.406,
                "minimum": 2354998.446,
                "name": "Y",
                "position": 1,
                "stddev": 188.3957936,
                "variance": 35492.97506
              },
              {
                "average": 10.49324157,
                "count": 3157387,
                "maximum": 112.9205111,
                "minimum": 0.3805111076,
                "name": "Z",
                "position": 2,
                "stddev": 10.89679487,
                "variance": 118.7401384
              },
              {
                "average": 27.74735438,
                "count": 3157387,
                "maximum": 909,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 58.25123026,
                "variance": 3393.205827
              },
              {
                "average": 1.410640191,
                "count": 3157387,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.777168932,
                "variance": 0.6039915489
              },
              {
                "average": 1.821943905,
                "count": 3157387,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.157218243,
                "variance": 1.339154062
              },
              {
                "average": 1,
                "count": 3157387,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3157387,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.19151786,
                "count": 3157387,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3934956392,
                "variance": 0.1548388181
              },
              {
                "average": 20.00462929,
                "count": 3157387,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.416974494,
                "variance": 19.50966368
              },
              {
                "average": 91.66800015,
                "count": 3157387,
                "maximum": 207,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.45614858,
                "variance": 4284.507387
              },
              {
                "average": 1.735167086,
                "count": 3157387,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8401663456,
                "variance": 0.7058794883
              },
              {
                "average": 63277588.02,
                "count": 3157387,
                "maximum": 63278273.88,
                "minimum": 63277351.91,
                "name": "GpsTime",
                "position": 12,
                "stddev": 251.8232686,
                "variance": 63414.95863
              },
              {
                "average": 0,
                "count": 3157387,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3157387,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3157387,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3157387,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3157387,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.7799,
              2354998.446,
              0.3805111076,
              620999.7799,
              2355723.406,
              112.9205111
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.7799155561,
                    2354998.446048533,
                    0.380511107592149
                  ],
                  [
                    619999.7799155561,
                    2355723.406048533,
                    0.380511107592149
                  ],
                  [
                    620999.7799155561,
                    2355723.406048533,
                    112.92051110759215
                  ],
                  [
                    620999.7799155561,
                    2354998.446048533,
                    112.92051110759215
                  ],
                  [
                    619999.7799155561,
                    2354998.446048533,
                    0.380511107592149
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T11:04:33+00:00",
            "end_time": "2013-09-15T10:49:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj1874.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85508139859965,
              21.46457418633379,
              15.01188680800631
            ],
            [
              -157.85501081400844,
              21.473607518258294,
              15.01188680800631
            ],
            [
              -157.85138191519488,
              21.473582628942175,
              193.0118868080063
            ],
            [
              -157.85145272329922,
              21.464549308601654,
              193.0118868080063
            ],
            [
              -157.85508139859965,
              21.46457418633379,
              15.01188680800631
            ]
          ]
        ]
      },
      "bbox": [
        -157.8550814,
        21.46454931,
        15.01188681,
        -157.8513819,
        21.47360752,
        193.0118868
      ],
      "properties": {
        "datetime": "2013-09-21T00:49:34Z",
        "pc:count": 1908598,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618855.3163,
            "count": 1908598,
            "maximum": 618999.793,
            "minimum": 618623.773,
            "name": "X",
            "position": 0,
            "stddev": 94.58610379,
            "variance": 8946.531031
          },
          {
            "average": 2374694.104,
            "count": 1908598,
            "maximum": 2374998.475,
            "minimum": 2373998.475,
            "name": "Y",
            "position": 1,
            "stddev": 251.0066115,
            "variance": 63004.31901
          },
          {
            "average": 85.86306819,
            "count": 1908598,
            "maximum": 193.0118868,
            "minimum": 15.01188681,
            "name": "Z",
            "position": 2,
            "stddev": 40.46497084,
            "variance": 1637.413865
          },
          {
            "average": 6.19771843,
            "count": 1908598,
            "maximum": 721,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.96585653,
            "variance": 254.9085747
          },
          {
            "average": 2.273652178,
            "count": 1908598,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.215262386,
            "variance": 1.476862667
          },
          {
            "average": 3.545541806,
            "count": 1908598,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.501724484,
            "variance": 2.255176426
          },
          {
            "average": 1,
            "count": 1908598,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1908598,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.083712233,
            "count": 1908598,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2769558359,
            "variance": 0.07670453503
          },
          {
            "average": 23.82054402,
            "count": 1908598,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.213389292,
            "variance": 67.45976366
          },
          {
            "average": 91.25090459,
            "count": 1908598,
            "maximum": 212,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.71518675,
            "variance": 4585.346517
          },
          {
            "average": 2.42792039,
            "count": 1908598,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.423386191,
            "variance": 2.026028248
          },
          {
            "average": 63758290.62,
            "count": 1908598,
            "maximum": 63759774.36,
            "minimum": 63757462.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 820.3107109,
            "variance": 672909.6624
          },
          {
            "average": 0,
            "count": 1908598,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1908598,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1908598,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1908598,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1908598,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618623.773,
          2373998.475,
          15.01188681,
          618999.793,
          2374998.475,
          193.0118868
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618623.772976018,
                2373998.4746392625,
                15.01188680800631
              ],
              [
                618623.772976018,
                2374998.4746392625,
                15.01188680800631
              ],
              [
                618999.792976018,
                2374998.4746392625,
                193.0118868080063
              ],
              [
                618999.792976018,
                2373998.4746392625,
                193.0118868080063
              ],
              [
                618623.772976018,
                2373998.4746392625,
                15.01188680800631
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:49:34+00:00",
        "end_time": "2013-09-21T00:11:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj1874.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj1874.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj1874.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1874.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8550814,
            21.46454931,
            15.01188681,
            -157.8513819,
            21.47360752,
            193.0118868
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85508139859965,
                  21.46457418633379,
                  15.01188680800631
                ],
                [
                  -157.85501081400844,
                  21.473607518258294,
                  15.01188680800631
                ],
                [
                  -157.85138191519488,
                  21.473582628942175,
                  193.0118868080063
                ],
                [
                  -157.85145272329922,
                  21.464549308601654,
                  193.0118868080063
                ],
                [
                  -157.85508139859965,
                  21.46457418633379,
                  15.01188680800631
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj1874.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1874.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:49:34Z",
            "pc:count": 1908598,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618855.3163,
                "count": 1908598,
                "maximum": 618999.793,
                "minimum": 618623.773,
                "name": "X",
                "position": 0,
                "stddev": 94.58610379,
                "variance": 8946.531031
              },
              {
                "average": 2374694.104,
                "count": 1908598,
                "maximum": 2374998.475,
                "minimum": 2373998.475,
                "name": "Y",
                "position": 1,
                "stddev": 251.0066115,
                "variance": 63004.31901
              },
              {
                "average": 85.86306819,
                "count": 1908598,
                "maximum": 193.0118868,
                "minimum": 15.01188681,
                "name": "Z",
                "position": 2,
                "stddev": 40.46497084,
                "variance": 1637.413865
              },
              {
                "average": 6.19771843,
                "count": 1908598,
                "maximum": 721,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.96585653,
                "variance": 254.9085747
              },
              {
                "average": 2.273652178,
                "count": 1908598,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.215262386,
                "variance": 1.476862667
              },
              {
                "average": 3.545541806,
                "count": 1908598,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.501724484,
                "variance": 2.255176426
              },
              {
                "average": 1,
                "count": 1908598,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1908598,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.083712233,
                "count": 1908598,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2769558359,
                "variance": 0.07670453503
              },
              {
                "average": 23.82054402,
                "count": 1908598,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.213389292,
                "variance": 67.45976366
              },
              {
                "average": 91.25090459,
                "count": 1908598,
                "maximum": 212,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.71518675,
                "variance": 4585.346517
              },
              {
                "average": 2.42792039,
                "count": 1908598,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.423386191,
                "variance": 2.026028248
              },
              {
                "average": 63758290.62,
                "count": 1908598,
                "maximum": 63759774.36,
                "minimum": 63757462.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 820.3107109,
                "variance": 672909.6624
              },
              {
                "average": 0,
                "count": 1908598,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1908598,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1908598,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1908598,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1908598,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618623.773,
              2373998.475,
              15.01188681,
              618999.793,
              2374998.475,
              193.0118868
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618623.772976018,
                    2373998.4746392625,
                    15.01188680800631
                  ],
                  [
                    618623.772976018,
                    2374998.4746392625,
                    15.01188680800631
                  ],
                  [
                    618999.792976018,
                    2374998.4746392625,
                    193.0118868080063
                  ],
                  [
                    618999.792976018,
                    2373998.4746392625,
                    193.0118868080063
                  ],
                  [
                    618623.772976018,
                    2373998.4746392625,
                    15.01188680800631
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:49:34+00:00",
            "end_time": "2013-09-21T00:11:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1587.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88916153099817,
              21.58224399934461,
              -9.29014786845209
            ],
            [
              -157.88909262844916,
              21.59127731312043,
              -9.29014786845209
            ],
            [
              -157.8794337511448,
              21.59121257361312,
              34.52985213154791
            ],
            [
              -157.87950325251566,
              21.582179289717114,
              34.52985213154791
            ],
            [
              -157.88916153099817,
              21.58224399934461,
              -9.29014786845209
            ]
          ]
        ]
      },
      "bbox": [
        -157.8891615,
        21.58217929,
        -9.290147868,
        -157.8794338,
        21.59127731,
        34.52985213
      ],
      "properties": {
        "datetime": "2013-09-22T02:04:33Z",
        "pc:count": 3900724,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615467.4267,
            "count": 3900724,
            "maximum": 615999.7983,
            "minimum": 614999.7783,
            "name": "X",
            "position": 0,
            "stddev": 298.5678377,
            "variance": 89142.75369
          },
          {
            "average": 2387498.147,
            "count": 3900724,
            "maximum": 2387998.485,
            "minimum": 2386998.485,
            "name": "Y",
            "position": 1,
            "stddev": 287.5444187,
            "variance": 82681.79272
          },
          {
            "average": -0.2443150487,
            "count": 3900724,
            "maximum": 34.52985213,
            "minimum": -9.290147868,
            "name": "Z",
            "position": 2,
            "stddev": 3.654600281,
            "variance": 13.35610321
          },
          {
            "average": 11.82039386,
            "count": 3900724,
            "maximum": 7981,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 37.66418423,
            "variance": 1418.590774
          },
          {
            "average": 1.076636542,
            "count": 3900724,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3445623714,
            "variance": 0.1187232278
          },
          {
            "average": 1.150420025,
            "count": 3900724,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5264180232,
            "variance": 0.2771159351
          },
          {
            "average": 1,
            "count": 3900724,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3900724,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 23.32425263,
            "count": 3900724,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.19900355,
            "variance": 125.4176805
          },
          {
            "average": 20.05188635,
            "count": 3900724,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.508001298,
            "variance": 6.290070509
          },
          {
            "average": 89.9112634,
            "count": 3900724,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.72303969,
            "variance": 5001.748344
          },
          {
            "average": 7.839991499,
            "count": 3900724,
            "maximum": 11,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.712756581,
            "variance": 2.933535105
          },
          {
            "average": 63848656.58,
            "count": 3900724,
            "maximum": 63850673.4,
            "minimum": 63846314.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1137.96784,
            "variance": 1294970.804
          },
          {
            "average": 0,
            "count": 3900724,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3900724,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3900724,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3900724,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3900724,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.7783,
          2386998.485,
          -9.290147868,
          615999.7983,
          2387998.485,
          34.52985213
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.7783470841,
                2386998.484890419,
                -9.29014786845209
              ],
              [
                614999.7783470841,
                2387998.484890419,
                -9.29014786845209
              ],
              [
                615999.7983470841,
                2387998.484890419,
                34.52985213154791
              ],
              [
                615999.7983470841,
                2386998.484890419,
                34.52985213154791
              ],
              [
                614999.7783470841,
                2386998.484890419,
                -9.29014786845209
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:04:33+00:00",
        "end_time": "2013-09-22T00:51:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1587.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1587.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1587.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1587.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8891615,
            21.58217929,
            -9.290147868,
            -157.8794338,
            21.59127731,
            34.52985213
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88916153099817,
                  21.58224399934461,
                  -9.29014786845209
                ],
                [
                  -157.88909262844916,
                  21.59127731312043,
                  -9.29014786845209
                ],
                [
                  -157.8794337511448,
                  21.59121257361312,
                  34.52985213154791
                ],
                [
                  -157.87950325251566,
                  21.582179289717114,
                  34.52985213154791
                ],
                [
                  -157.88916153099817,
                  21.58224399934461,
                  -9.29014786845209
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1587.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1587.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:04:33Z",
            "pc:count": 3900724,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615467.4267,
                "count": 3900724,
                "maximum": 615999.7983,
                "minimum": 614999.7783,
                "name": "X",
                "position": 0,
                "stddev": 298.5678377,
                "variance": 89142.75369
              },
              {
                "average": 2387498.147,
                "count": 3900724,
                "maximum": 2387998.485,
                "minimum": 2386998.485,
                "name": "Y",
                "position": 1,
                "stddev": 287.5444187,
                "variance": 82681.79272
              },
              {
                "average": -0.2443150487,
                "count": 3900724,
                "maximum": 34.52985213,
                "minimum": -9.290147868,
                "name": "Z",
                "position": 2,
                "stddev": 3.654600281,
                "variance": 13.35610321
              },
              {
                "average": 11.82039386,
                "count": 3900724,
                "maximum": 7981,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 37.66418423,
                "variance": 1418.590774
              },
              {
                "average": 1.076636542,
                "count": 3900724,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3445623714,
                "variance": 0.1187232278
              },
              {
                "average": 1.150420025,
                "count": 3900724,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5264180232,
                "variance": 0.2771159351
              },
              {
                "average": 1,
                "count": 3900724,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3900724,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 23.32425263,
                "count": 3900724,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.19900355,
                "variance": 125.4176805
              },
              {
                "average": 20.05188635,
                "count": 3900724,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.508001298,
                "variance": 6.290070509
              },
              {
                "average": 89.9112634,
                "count": 3900724,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.72303969,
                "variance": 5001.748344
              },
              {
                "average": 7.839991499,
                "count": 3900724,
                "maximum": 11,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.712756581,
                "variance": 2.933535105
              },
              {
                "average": 63848656.58,
                "count": 3900724,
                "maximum": 63850673.4,
                "minimum": 63846314.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1137.96784,
                "variance": 1294970.804
              },
              {
                "average": 0,
                "count": 3900724,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3900724,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3900724,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3900724,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3900724,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.7783,
              2386998.485,
              -9.290147868,
              615999.7983,
              2387998.485,
              34.52985213
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.7783470841,
                    2386998.484890419,
                    -9.29014786845209
                  ],
                  [
                    614999.7783470841,
                    2387998.484890419,
                    -9.29014786845209
                  ],
                  [
                    615999.7983470841,
                    2387998.484890419,
                    34.52985213154791
                  ],
                  [
                    615999.7983470841,
                    2386998.484890419,
                    34.52985213154791
                  ],
                  [
                    614999.7783470841,
                    2386998.484890419,
                    -9.29014786845209
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:04:33+00:00",
            "end_time": "2013-09-22T00:51:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2175.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.83208034723492,
              21.473449006228506,
              -17.352240982057534
            ],
            [
              -157.83200831228737,
              21.482482255202413,
              -17.352240982057534
            ],
            [
              -157.82235678351785,
              21.48241453868012,
              0.427759017942467
            ],
            [
              -157.82242940379697,
              21.473381323463247,
              0.427759017942467
            ],
            [
              -157.83208034723492,
              21.473449006228506,
              -17.352240982057534
            ]
          ]
        ]
      },
      "bbox": [
        -157.8320803,
        21.47338132,
        -17.35224098,
        -157.8223568,
        21.48248226,
        0.4277590179
      ],
      "properties": {
        "datetime": "2013-09-24T20:30:02Z",
        "pc:count": 1774263,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621668.3896,
            "count": 1774263,
            "maximum": 621999.8156,
            "minimum": 620999.7956,
            "name": "X",
            "position": 0,
            "stddev": 258.0617033,
            "variance": 66595.84271
          },
          {
            "average": 2375652.434,
            "count": 1774263,
            "maximum": 2375998.484,
            "minimum": 2374998.484,
            "name": "Y",
            "position": 1,
            "stddev": 250.1910541,
            "variance": 62595.56355
          },
          {
            "average": -3.204313251,
            "count": 1774263,
            "maximum": 0.4277590179,
            "minimum": -17.35224098,
            "name": "Z",
            "position": 2,
            "stddev": 2.763478901,
            "variance": 7.636815635
          },
          {
            "average": 6.994250007,
            "count": 1774263,
            "maximum": 5054,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.89181,
            "variance": 395.6841049
          },
          {
            "average": 1.03932957,
            "count": 1774263,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1971590201,
            "variance": 0.03887167922
          },
          {
            "average": 1.069542114,
            "count": 1774263,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.259947281,
            "variance": 0.06757258889
          },
          {
            "average": 1,
            "count": 1774263,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1774263,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1774263,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.10799402,
            "count": 1774263,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.909883036,
            "variance": 8.467419286
          },
          {
            "average": 98.91231796,
            "count": 1774263,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.40962163,
            "variance": 5992.24952
          },
          {
            "average": 2.641152975,
            "count": 1774263,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.95587008,
            "variance": 8.73716793
          },
          {
            "average": 63711257.94,
            "count": 1774263,
            "maximum": 64089802.7,
            "minimum": 63658381.25,
            "name": "GpsTime",
            "position": 12,
            "stddev": 80283.65561,
            "variance": 6445465357
          },
          {
            "average": 0,
            "count": 1774263,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1774263,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1774263,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1774263,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1774263,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.7956,
          2374998.484,
          -17.35224098,
          621999.8156,
          2375998.484,
          0.4277590179
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.7956135434,
                2374998.4838863667,
                -17.352240982057534
              ],
              [
                620999.7956135434,
                2375998.4838863667,
                -17.352240982057534
              ],
              [
                621999.8156135434,
                2375998.4838863667,
                0.427759017942467
              ],
              [
                621999.8156135434,
                2374998.4838863667,
                0.427759017942467
              ],
              [
                620999.7956135434,
                2374998.4838863667,
                -17.352240982057534
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:30:02+00:00",
        "end_time": "2013-09-19T20:39:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2175.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2175.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2175.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2175.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8320803,
            21.47338132,
            -17.35224098,
            -157.8223568,
            21.48248226,
            0.4277590179
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.83208034723492,
                  21.473449006228506,
                  -17.352240982057534
                ],
                [
                  -157.83200831228737,
                  21.482482255202413,
                  -17.352240982057534
                ],
                [
                  -157.82235678351785,
                  21.48241453868012,
                  0.427759017942467
                ],
                [
                  -157.82242940379697,
                  21.473381323463247,
                  0.427759017942467
                ],
                [
                  -157.83208034723492,
                  21.473449006228506,
                  -17.352240982057534
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2175.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2175.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:30:02Z",
            "pc:count": 1774263,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621668.3896,
                "count": 1774263,
                "maximum": 621999.8156,
                "minimum": 620999.7956,
                "name": "X",
                "position": 0,
                "stddev": 258.0617033,
                "variance": 66595.84271
              },
              {
                "average": 2375652.434,
                "count": 1774263,
                "maximum": 2375998.484,
                "minimum": 2374998.484,
                "name": "Y",
                "position": 1,
                "stddev": 250.1910541,
                "variance": 62595.56355
              },
              {
                "average": -3.204313251,
                "count": 1774263,
                "maximum": 0.4277590179,
                "minimum": -17.35224098,
                "name": "Z",
                "position": 2,
                "stddev": 2.763478901,
                "variance": 7.636815635
              },
              {
                "average": 6.994250007,
                "count": 1774263,
                "maximum": 5054,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.89181,
                "variance": 395.6841049
              },
              {
                "average": 1.03932957,
                "count": 1774263,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1971590201,
                "variance": 0.03887167922
              },
              {
                "average": 1.069542114,
                "count": 1774263,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.259947281,
                "variance": 0.06757258889
              },
              {
                "average": 1,
                "count": 1774263,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1774263,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1774263,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.10799402,
                "count": 1774263,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.909883036,
                "variance": 8.467419286
              },
              {
                "average": 98.91231796,
                "count": 1774263,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.40962163,
                "variance": 5992.24952
              },
              {
                "average": 2.641152975,
                "count": 1774263,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.95587008,
                "variance": 8.73716793
              },
              {
                "average": 63711257.94,
                "count": 1774263,
                "maximum": 64089802.7,
                "minimum": 63658381.25,
                "name": "GpsTime",
                "position": 12,
                "stddev": 80283.65561,
                "variance": 6445465357
              },
              {
                "average": 0,
                "count": 1774263,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1774263,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1774263,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1774263,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1774263,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.7956,
              2374998.484,
              -17.35224098,
              621999.8156,
              2375998.484,
              0.4277590179
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.7956135434,
                    2374998.4838863667,
                    -17.352240982057534
                  ],
                  [
                    620999.7956135434,
                    2375998.4838863667,
                    -17.352240982057534
                  ],
                  [
                    621999.8156135434,
                    2375998.4838863667,
                    0.427759017942467
                  ],
                  [
                    621999.8156135434,
                    2374998.4838863667,
                    0.427759017942467
                  ],
                  [
                    620999.7956135434,
                    2374998.4838863667,
                    -17.352240982057534
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:30:02+00:00",
            "end_time": "2013-09-19T20:39:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2071.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8330189367924,
              21.44586472333529,
              8.499099368908995
            ],
            [
              -157.83301504362856,
              21.44635414671502,
              8.499099368908995
            ],
            [
              -157.8322961966072,
              21.44634913319182,
              30.339099368908997
            ],
            [
              -157.83230009217004,
              21.44585970993743,
              30.339099368908997
            ],
            [
              -157.8330189367924,
              21.44586472333529,
              8.499099368908995
            ]
          ]
        ]
      },
      "bbox": [
        -157.8330189,
        21.44585971,
        8.499099369,
        -157.8322962,
        21.44635415,
        30.33909937
      ],
      "properties": {
        "datetime": "2013-09-21T00:50:16Z",
        "pc:count": 16169,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620974.4847,
            "count": 16169,
            "maximum": 620999.7984,
            "minimum": 620925.2984,
            "name": "X",
            "position": 0,
            "stddev": 19.17250228,
            "variance": 367.5848436
          },
          {
            "average": 2371975.235,
            "count": 16169,
            "maximum": 2371998.476,
            "minimum": 2371944.296,
            "name": "Y",
            "position": 1,
            "stddev": 14.21084636,
            "variance": 201.9481544
          },
          {
            "average": 14.25659519,
            "count": 16169,
            "maximum": 30.33909937,
            "minimum": 8.499099369,
            "name": "Z",
            "position": 2,
            "stddev": 3.569946539,
            "variance": 12.74451829
          },
          {
            "average": 15.25320057,
            "count": 16169,
            "maximum": 726,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 17.79174256,
            "variance": 316.5461032
          },
          {
            "average": 1.349681489,
            "count": 16169,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7060958186,
            "variance": 0.498571305
          },
          {
            "average": 1.690889975,
            "count": 16169,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.026464152,
            "variance": 1.053628655
          },
          {
            "average": 1,
            "count": 16169,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16169,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.314552539,
            "count": 16169,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.464351779,
            "variance": 0.2156225747
          },
          {
            "average": 21.89425315,
            "count": 16169,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.556141558,
            "variance": 2.421576548
          },
          {
            "average": 91.64833941,
            "count": 16169,
            "maximum": 191,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.61154693,
            "variance": 4304.87509
          },
          {
            "average": 5,
            "count": 16169,
            "maximum": 5,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63759814.9,
            "count": 16169,
            "maximum": 63759816.34,
            "minimum": 63759813.59,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.691401632,
            "variance": 0.4780362167
          },
          {
            "average": 0,
            "count": 16169,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16169,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16169,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16169,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 16169,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620925.2984,
          2371944.296,
          8.499099369,
          620999.7984,
          2371998.476,
          30.33909937
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620925.2984356611,
                2371944.2962291483,
                8.499099368908995
              ],
              [
                620925.2984356611,
                2371998.476229148,
                8.499099368908995
              ],
              [
                620999.7984356611,
                2371998.476229148,
                30.339099368908997
              ],
              [
                620999.7984356611,
                2371944.2962291483,
                30.339099368908997
              ],
              [
                620925.2984356611,
                2371944.2962291483,
                8.499099368908995
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:50:16+00:00",
        "end_time": "2013-09-21T00:50:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2071.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2071.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2071.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2071.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8330189,
            21.44585971,
            8.499099369,
            -157.8322962,
            21.44635415,
            30.33909937
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8330189367924,
                  21.44586472333529,
                  8.499099368908995
                ],
                [
                  -157.83301504362856,
                  21.44635414671502,
                  8.499099368908995
                ],
                [
                  -157.8322961966072,
                  21.44634913319182,
                  30.339099368908997
                ],
                [
                  -157.83230009217004,
                  21.44585970993743,
                  30.339099368908997
                ],
                [
                  -157.8330189367924,
                  21.44586472333529,
                  8.499099368908995
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2071.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2071.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:50:16Z",
            "pc:count": 16169,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620974.4847,
                "count": 16169,
                "maximum": 620999.7984,
                "minimum": 620925.2984,
                "name": "X",
                "position": 0,
                "stddev": 19.17250228,
                "variance": 367.5848436
              },
              {
                "average": 2371975.235,
                "count": 16169,
                "maximum": 2371998.476,
                "minimum": 2371944.296,
                "name": "Y",
                "position": 1,
                "stddev": 14.21084636,
                "variance": 201.9481544
              },
              {
                "average": 14.25659519,
                "count": 16169,
                "maximum": 30.33909937,
                "minimum": 8.499099369,
                "name": "Z",
                "position": 2,
                "stddev": 3.569946539,
                "variance": 12.74451829
              },
              {
                "average": 15.25320057,
                "count": 16169,
                "maximum": 726,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 17.79174256,
                "variance": 316.5461032
              },
              {
                "average": 1.349681489,
                "count": 16169,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7060958186,
                "variance": 0.498571305
              },
              {
                "average": 1.690889975,
                "count": 16169,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.026464152,
                "variance": 1.053628655
              },
              {
                "average": 1,
                "count": 16169,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16169,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.314552539,
                "count": 16169,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.464351779,
                "variance": 0.2156225747
              },
              {
                "average": 21.89425315,
                "count": 16169,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.556141558,
                "variance": 2.421576548
              },
              {
                "average": 91.64833941,
                "count": 16169,
                "maximum": 191,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.61154693,
                "variance": 4304.87509
              },
              {
                "average": 5,
                "count": 16169,
                "maximum": 5,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63759814.9,
                "count": 16169,
                "maximum": 63759816.34,
                "minimum": 63759813.59,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.691401632,
                "variance": 0.4780362167
              },
              {
                "average": 0,
                "count": 16169,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16169,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16169,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16169,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 16169,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620925.2984,
              2371944.296,
              8.499099369,
              620999.7984,
              2371998.476,
              30.33909937
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620925.2984356611,
                    2371944.2962291483,
                    8.499099368908995
                  ],
                  [
                    620925.2984356611,
                    2371998.476229148,
                    8.499099368908995
                  ],
                  [
                    620999.7984356611,
                    2371998.476229148,
                    30.339099368908997
                  ],
                  [
                    620999.7984356611,
                    2371944.2962291483,
                    30.339099368908997
                  ],
                  [
                    620925.2984356611,
                    2371944.2962291483,
                    8.499099368908995
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:50:16+00:00",
            "end_time": "2013-09-21T00:50:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1294.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.91766562478836,
              21.645668379080554,
              -27.165329048815742
            ],
            [
              -157.91759827418062,
              21.654701710156672,
              -27.165329048815742
            ],
            [
              -157.90793529106085,
              21.654638446563514,
              31.054670951184256
            ],
            [
              -157.90800324267101,
              21.645605144557457,
              31.054670951184256
            ],
            [
              -157.91766562478836,
              21.645668379080554,
              -27.165329048815742
            ]
          ]
        ]
      },
      "bbox": [
        -157.9176656,
        21.64560514,
        -27.16532905,
        -157.9079353,
        21.65470171,
        31.05467095
      ],
      "properties": {
        "datetime": "2013-09-22T01:01:26Z",
        "pc:count": 3309917,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612460.4724,
            "count": 3309917,
            "maximum": 612999.7701,
            "minimum": 611999.7701,
            "name": "X",
            "position": 0,
            "stddev": 294.0032453,
            "variance": 86437.90823
          },
          {
            "average": 2394473.365,
            "count": 3309917,
            "maximum": 2394998.487,
            "minimum": 2393998.487,
            "name": "Y",
            "position": 1,
            "stddev": 284.4323575,
            "variance": 80901.76601
          },
          {
            "average": -4.919902508,
            "count": 3309917,
            "maximum": 31.05467095,
            "minimum": -27.16532905,
            "name": "Z",
            "position": 2,
            "stddev": 6.705969654,
            "variance": 44.970029
          },
          {
            "average": 16.704992,
            "count": 3309917,
            "maximum": 8130,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 53.80326491,
            "variance": 2894.791315
          },
          {
            "average": 1.032502326,
            "count": 3309917,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.206134741,
            "variance": 0.04249153145
          },
          {
            "average": 1.055960013,
            "count": 3309917,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2940493318,
            "variance": 0.08646500951
          },
          {
            "average": 1,
            "count": 3309917,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3309917,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 25.97875324,
            "count": 3309917,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.638166604,
            "variance": 74.61792227
          },
          {
            "average": 19.30974767,
            "count": 3309917,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.314819221,
            "variance": 18.61766491
          },
          {
            "average": 100.6076745,
            "count": 3309917,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.6615674,
            "variance": 4993.057107
          },
          {
            "average": 3.256088597,
            "count": 3309917,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.785887191,
            "variance": 3.189393057
          },
          {
            "average": 63841722.41,
            "count": 3309917,
            "maximum": 63846886.87,
            "minimum": 63830713.61,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5783.44383,
            "variance": 33448222.53
          },
          {
            "average": 0,
            "count": 3309917,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3309917,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3309917,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3309917,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3309917,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7701,
          2393998.487,
          -27.16532905,
          612999.7701,
          2394998.487,
          31.05467095
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7700873765,
                2393998.486822895,
                -27.165329048815742
              ],
              [
                611999.7700873765,
                2394998.486822895,
                -27.165329048815742
              ],
              [
                612999.7700873765,
                2394998.486822895,
                31.054670951184256
              ],
              [
                612999.7700873765,
                2393998.486822895,
                31.054670951184256
              ],
              [
                611999.7700873765,
                2393998.486822895,
                -27.165329048815742
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:01:26+00:00",
        "end_time": "2013-09-21T20:31:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1294.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1294.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1294.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1294.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9176656,
            21.64560514,
            -27.16532905,
            -157.9079353,
            21.65470171,
            31.05467095
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.91766562478836,
                  21.645668379080554,
                  -27.165329048815742
                ],
                [
                  -157.91759827418062,
                  21.654701710156672,
                  -27.165329048815742
                ],
                [
                  -157.90793529106085,
                  21.654638446563514,
                  31.054670951184256
                ],
                [
                  -157.90800324267101,
                  21.645605144557457,
                  31.054670951184256
                ],
                [
                  -157.91766562478836,
                  21.645668379080554,
                  -27.165329048815742
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1294.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1294.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:01:26Z",
            "pc:count": 3309917,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612460.4724,
                "count": 3309917,
                "maximum": 612999.7701,
                "minimum": 611999.7701,
                "name": "X",
                "position": 0,
                "stddev": 294.0032453,
                "variance": 86437.90823
              },
              {
                "average": 2394473.365,
                "count": 3309917,
                "maximum": 2394998.487,
                "minimum": 2393998.487,
                "name": "Y",
                "position": 1,
                "stddev": 284.4323575,
                "variance": 80901.76601
              },
              {
                "average": -4.919902508,
                "count": 3309917,
                "maximum": 31.05467095,
                "minimum": -27.16532905,
                "name": "Z",
                "position": 2,
                "stddev": 6.705969654,
                "variance": 44.970029
              },
              {
                "average": 16.704992,
                "count": 3309917,
                "maximum": 8130,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 53.80326491,
                "variance": 2894.791315
              },
              {
                "average": 1.032502326,
                "count": 3309917,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.206134741,
                "variance": 0.04249153145
              },
              {
                "average": 1.055960013,
                "count": 3309917,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2940493318,
                "variance": 0.08646500951
              },
              {
                "average": 1,
                "count": 3309917,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3309917,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 25.97875324,
                "count": 3309917,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.638166604,
                "variance": 74.61792227
              },
              {
                "average": 19.30974767,
                "count": 3309917,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.314819221,
                "variance": 18.61766491
              },
              {
                "average": 100.6076745,
                "count": 3309917,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.6615674,
                "variance": 4993.057107
              },
              {
                "average": 3.256088597,
                "count": 3309917,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.785887191,
                "variance": 3.189393057
              },
              {
                "average": 63841722.41,
                "count": 3309917,
                "maximum": 63846886.87,
                "minimum": 63830713.61,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5783.44383,
                "variance": 33448222.53
              },
              {
                "average": 0,
                "count": 3309917,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3309917,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3309917,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3309917,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3309917,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7701,
              2393998.487,
              -27.16532905,
              612999.7701,
              2394998.487,
              31.05467095
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7700873765,
                    2393998.486822895,
                    -27.165329048815742
                  ],
                  [
                    611999.7700873765,
                    2394998.486822895,
                    -27.165329048815742
                  ],
                  [
                    612999.7700873765,
                    2394998.486822895,
                    31.054670951184256
                  ],
                  [
                    612999.7700873765,
                    2393998.486822895,
                    31.054670951184256
                  ],
                  [
                    611999.7700873765,
                    2393998.486822895,
                    -27.165329048815742
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:01:26+00:00",
            "end_time": "2013-09-21T20:31:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj1875.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85692310363743,
              21.473620638627793,
              8.032287514073104
            ],
            [
              -157.8568525974903,
              21.4826539680566,
              8.032287514073104
            ],
            [
              -157.8513111432748,
              21.48261597745578,
              226.4322875140731
            ],
            [
              -157.85138199066338,
              21.47358266581265,
              226.4322875140731
            ],
            [
              -157.85692310363743,
              21.473620638627793,
              8.032287514073104
            ]
          ]
        ]
      },
      "bbox": [
        -157.8569231,
        21.47358267,
        8.032287514,
        -157.8513111,
        21.48265397,
        226.4322875
      ],
      "properties": {
        "datetime": "2013-09-23T23:14:20Z",
        "pc:count": 1132821,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618772.8976,
            "count": 1132821,
            "maximum": 618999.7851,
            "minimum": 618425.6251,
            "name": "X",
            "position": 0,
            "stddev": 159.8860507,
            "variance": 25563.5492
          },
          {
            "average": 2375481.077,
            "count": 1132821,
            "maximum": 2375998.479,
            "minimum": 2374998.479,
            "name": "Y",
            "position": 1,
            "stddev": 398.4853961,
            "variance": 158790.6109
          },
          {
            "average": 86.40558781,
            "count": 1132821,
            "maximum": 226.4322875,
            "minimum": 8.032287514,
            "name": "Z",
            "position": 2,
            "stddev": 66.95090951,
            "variance": 4482.424284
          },
          {
            "average": 6.699975548,
            "count": 1132821,
            "maximum": 673,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 12.3925363,
            "variance": 153.5749559
          },
          {
            "average": 2.081591002,
            "count": 1132821,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.165575383,
            "variance": 1.358565974
          },
          {
            "average": 3.161890537,
            "count": 1132821,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.537898158,
            "variance": 2.365130743
          },
          {
            "average": 1,
            "count": 1132821,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1132821,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.068632202,
            "count": 1132821,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2528277665,
            "variance": 0.0639218795
          },
          {
            "average": 24.9316416,
            "count": 1132821,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.833424622,
            "variance": 96.69623979
          },
          {
            "average": 88.43024714,
            "count": 1132821,
            "maximum": 200,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.55266366,
            "variance": 4699.467694
          },
          {
            "average": 5.063837093,
            "count": 1132821,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.244620975,
            "variance": 18.01680722
          },
          {
            "average": 63836066.57,
            "count": 1132821,
            "maximum": 64013260.92,
            "minimum": 63744672.77,
            "name": "GpsTime",
            "position": 12,
            "stddev": 120290.6835,
            "variance": 14469848530.0
          },
          {
            "average": 0,
            "count": 1132821,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1132821,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1132821,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1132821,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1132821,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618425.6251,
          2374998.479,
          8.032287514,
          618999.7851,
          2375998.479,
          226.4322875
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618425.625126568,
                2374998.478663265,
                8.032287514073104
              ],
              [
                618425.625126568,
                2375998.478663265,
                8.032287514073104
              ],
              [
                618999.7851265679,
                2375998.478663265,
                226.4322875140731
              ],
              [
                618999.7851265679,
                2374998.478663265,
                226.4322875140731
              ],
              [
                618425.625126568,
                2374998.478663265,
                8.032287514073104
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:14:20+00:00",
        "end_time": "2013-09-20T20:37:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj1875.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj1875.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj1875.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1875.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8569231,
            21.47358267,
            8.032287514,
            -157.8513111,
            21.48265397,
            226.4322875
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85692310363743,
                  21.473620638627793,
                  8.032287514073104
                ],
                [
                  -157.8568525974903,
                  21.4826539680566,
                  8.032287514073104
                ],
                [
                  -157.8513111432748,
                  21.48261597745578,
                  226.4322875140731
                ],
                [
                  -157.85138199066338,
                  21.47358266581265,
                  226.4322875140731
                ],
                [
                  -157.85692310363743,
                  21.473620638627793,
                  8.032287514073104
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj1875.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1875.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:14:20Z",
            "pc:count": 1132821,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618772.8976,
                "count": 1132821,
                "maximum": 618999.7851,
                "minimum": 618425.6251,
                "name": "X",
                "position": 0,
                "stddev": 159.8860507,
                "variance": 25563.5492
              },
              {
                "average": 2375481.077,
                "count": 1132821,
                "maximum": 2375998.479,
                "minimum": 2374998.479,
                "name": "Y",
                "position": 1,
                "stddev": 398.4853961,
                "variance": 158790.6109
              },
              {
                "average": 86.40558781,
                "count": 1132821,
                "maximum": 226.4322875,
                "minimum": 8.032287514,
                "name": "Z",
                "position": 2,
                "stddev": 66.95090951,
                "variance": 4482.424284
              },
              {
                "average": 6.699975548,
                "count": 1132821,
                "maximum": 673,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 12.3925363,
                "variance": 153.5749559
              },
              {
                "average": 2.081591002,
                "count": 1132821,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.165575383,
                "variance": 1.358565974
              },
              {
                "average": 3.161890537,
                "count": 1132821,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.537898158,
                "variance": 2.365130743
              },
              {
                "average": 1,
                "count": 1132821,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1132821,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.068632202,
                "count": 1132821,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2528277665,
                "variance": 0.0639218795
              },
              {
                "average": 24.9316416,
                "count": 1132821,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.833424622,
                "variance": 96.69623979
              },
              {
                "average": 88.43024714,
                "count": 1132821,
                "maximum": 200,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.55266366,
                "variance": 4699.467694
              },
              {
                "average": 5.063837093,
                "count": 1132821,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.244620975,
                "variance": 18.01680722
              },
              {
                "average": 63836066.57,
                "count": 1132821,
                "maximum": 64013260.92,
                "minimum": 63744672.77,
                "name": "GpsTime",
                "position": 12,
                "stddev": 120290.6835,
                "variance": 14469848530.0
              },
              {
                "average": 0,
                "count": 1132821,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1132821,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1132821,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1132821,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1132821,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618425.6251,
              2374998.479,
              8.032287514,
              618999.7851,
              2375998.479,
              226.4322875
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618425.625126568,
                    2374998.478663265,
                    8.032287514073104
                  ],
                  [
                    618425.625126568,
                    2375998.478663265,
                    8.032287514073104
                  ],
                  [
                    618999.7851265679,
                    2375998.478663265,
                    226.4322875140731
                  ],
                  [
                    618999.7851265679,
                    2374998.478663265,
                    226.4322875140731
                  ],
                  [
                    618425.625126568,
                    2374998.478663265,
                    8.032287514073104
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:14:20+00:00",
            "end_time": "2013-09-20T20:37:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1487.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8988197520793,
              21.58230805799849,
              -1.011554014280406
            ],
            [
              -157.89875144690686,
              21.591341582089182,
              -1.011554014280406
            ],
            [
              -157.88909253464806,
              21.591277402458143,
              191.7084459857196
            ],
            [
              -157.88916143858089,
              21.582243908016327,
              191.7084459857196
            ],
            [
              -157.8988197520793,
              21.58230805799849,
              -1.011554014280406
            ]
          ]
        ]
      },
      "bbox": [
        -157.8988198,
        21.58224391,
        -1.011554014,
        -157.8890925,
        21.59134158,
        191.708446
      ],
      "properties": {
        "datetime": "2013-09-22T02:26:48Z",
        "pc:count": 6206046,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614501.2799,
            "count": 6206046,
            "maximum": 614999.788,
            "minimum": 613999.768,
            "name": "X",
            "position": 0,
            "stddev": 274.7299556,
            "variance": 75476.5485
          },
          {
            "average": 2387508.015,
            "count": 6206046,
            "maximum": 2387998.495,
            "minimum": 2386998.475,
            "name": "Y",
            "position": 1,
            "stddev": 277.6187325,
            "variance": 77072.16064
          },
          {
            "average": 26.86491676,
            "count": 6206046,
            "maximum": 191.708446,
            "minimum": -1.011554014,
            "name": "Z",
            "position": 2,
            "stddev": 35.23547575,
            "variance": 1241.538751
          },
          {
            "average": 15.00714175,
            "count": 6206046,
            "maximum": 2109,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.00529721,
            "variance": 576.2542939
          },
          {
            "average": 1.432718191,
            "count": 6206046,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7783882352,
            "variance": 0.6058882447
          },
          {
            "average": 1.865510987,
            "count": 6206046,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.114192316,
            "variance": 1.241424517
          },
          {
            "average": 1,
            "count": 6206046,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6206046,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.315893566,
            "count": 6206046,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.172648066,
            "variance": 4.72039962
          },
          {
            "average": 20.0569212,
            "count": 6206046,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.317878147,
            "variance": 5.372559105
          },
          {
            "average": 91.69620448,
            "count": 6206046,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.59879767,
            "variance": 4435.399852
          },
          {
            "average": 11.91751705,
            "count": 6206046,
            "maximum": 14,
            "minimum": 8,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.440718075,
            "variance": 2.075668571
          },
          {
            "average": 63851055.01,
            "count": 6206046,
            "maximum": 63852008.93,
            "minimum": 63848721.09,
            "name": "GpsTime",
            "position": 12,
            "stddev": 691.3015205,
            "variance": 477897.7922
          },
          {
            "average": 0,
            "count": 6206046,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6206046,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6206046,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6206046,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6206046,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.768,
          2386998.475,
          -1.011554014,
          614999.788,
          2387998.495,
          191.708446
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.7679875907,
                2386998.474849021,
                -1.011554014280406
              ],
              [
                613999.7679875907,
                2387998.4948490206,
                -1.011554014280406
              ],
              [
                614999.7879875908,
                2387998.4948490206,
                191.7084459857196
              ],
              [
                614999.7879875908,
                2386998.474849021,
                191.7084459857196
              ],
              [
                613999.7679875907,
                2386998.474849021,
                -1.011554014280406
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:26:48+00:00",
        "end_time": "2013-09-22T01:32:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1487.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1487.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1487.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1487.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8988198,
            21.58224391,
            -1.011554014,
            -157.8890925,
            21.59134158,
            191.708446
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8988197520793,
                  21.58230805799849,
                  -1.011554014280406
                ],
                [
                  -157.89875144690686,
                  21.591341582089182,
                  -1.011554014280406
                ],
                [
                  -157.88909253464806,
                  21.591277402458143,
                  191.7084459857196
                ],
                [
                  -157.88916143858089,
                  21.582243908016327,
                  191.7084459857196
                ],
                [
                  -157.8988197520793,
                  21.58230805799849,
                  -1.011554014280406
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1487.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1487.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:26:48Z",
            "pc:count": 6206046,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614501.2799,
                "count": 6206046,
                "maximum": 614999.788,
                "minimum": 613999.768,
                "name": "X",
                "position": 0,
                "stddev": 274.7299556,
                "variance": 75476.5485
              },
              {
                "average": 2387508.015,
                "count": 6206046,
                "maximum": 2387998.495,
                "minimum": 2386998.475,
                "name": "Y",
                "position": 1,
                "stddev": 277.6187325,
                "variance": 77072.16064
              },
              {
                "average": 26.86491676,
                "count": 6206046,
                "maximum": 191.708446,
                "minimum": -1.011554014,
                "name": "Z",
                "position": 2,
                "stddev": 35.23547575,
                "variance": 1241.538751
              },
              {
                "average": 15.00714175,
                "count": 6206046,
                "maximum": 2109,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.00529721,
                "variance": 576.2542939
              },
              {
                "average": 1.432718191,
                "count": 6206046,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7783882352,
                "variance": 0.6058882447
              },
              {
                "average": 1.865510987,
                "count": 6206046,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.114192316,
                "variance": 1.241424517
              },
              {
                "average": 1,
                "count": 6206046,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6206046,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.315893566,
                "count": 6206046,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.172648066,
                "variance": 4.72039962
              },
              {
                "average": 20.0569212,
                "count": 6206046,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.317878147,
                "variance": 5.372559105
              },
              {
                "average": 91.69620448,
                "count": 6206046,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.59879767,
                "variance": 4435.399852
              },
              {
                "average": 11.91751705,
                "count": 6206046,
                "maximum": 14,
                "minimum": 8,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.440718075,
                "variance": 2.075668571
              },
              {
                "average": 63851055.01,
                "count": 6206046,
                "maximum": 63852008.93,
                "minimum": 63848721.09,
                "name": "GpsTime",
                "position": 12,
                "stddev": 691.3015205,
                "variance": 477897.7922
              },
              {
                "average": 0,
                "count": 6206046,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6206046,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6206046,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6206046,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6206046,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.768,
              2386998.475,
              -1.011554014,
              614999.788,
              2387998.495,
              191.708446
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.7679875907,
                    2386998.474849021,
                    -1.011554014280406
                  ],
                  [
                    613999.7679875907,
                    2387998.4948490206,
                    -1.011554014280406
                  ],
                  [
                    614999.7879875908,
                    2387998.4948490206,
                    191.7084459857196
                  ],
                  [
                    614999.7879875908,
                    2386998.474849021,
                    191.7084459857196
                  ],
                  [
                    613999.7679875907,
                    2386998.474849021,
                    -1.011554014280406
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:26:48+00:00",
            "end_time": "2013-09-22T01:32:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2072.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84194514476405,
              21.446416198780014,
              -0.048289616196364
            ],
            [
              -157.84187381854906,
              21.45544950735329,
              -0.048289616196364
            ],
            [
              -157.83222425422164,
              21.45538243813843,
              124.81171038380364
            ],
            [
              -157.83229617473012,
              21.44634916057545,
              124.81171038380364
            ],
            [
              -157.84194514476405,
              21.446416198780014,
              -0.048289616196364
            ]
          ]
        ]
      },
      "bbox": [
        -157.8419451,
        21.44634916,
        -0.0482896162,
        -157.8322243,
        21.45544951,
        124.8117104
      ],
      "properties": {
        "datetime": "2013-09-21T00:50:16Z",
        "pc:count": 4174870,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620687.7321,
            "count": 4174870,
            "maximum": 620999.8007,
            "minimum": 619999.8007,
            "name": "X",
            "position": 0,
            "stddev": 245.1874813,
            "variance": 60116.901
          },
          {
            "average": 2372692.983,
            "count": 4174870,
            "maximum": 2372998.479,
            "minimum": 2371998.479,
            "name": "Y",
            "position": 1,
            "stddev": 231.5743213,
            "variance": 53626.66631
          },
          {
            "average": 30.78771439,
            "count": 4174870,
            "maximum": 124.8117104,
            "minimum": -0.0482896162,
            "name": "Z",
            "position": 2,
            "stddev": 29.84697056,
            "variance": 890.8416517
          },
          {
            "average": 12.3532898,
            "count": 4174870,
            "maximum": 913,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.99392181,
            "variance": 440.744753
          },
          {
            "average": 1.778166985,
            "count": 4174870,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.066338531,
            "variance": 1.137077863
          },
          {
            "average": 2.556584756,
            "count": 4174870,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.516777204,
            "variance": 2.300613087
          },
          {
            "average": 1,
            "count": 4174870,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4174870,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.175260787,
            "count": 4174870,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.5830382515,
            "variance": 0.3399336027
          },
          {
            "average": 20.07413317,
            "count": 4174870,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.125559132,
            "variance": 4.518001622
          },
          {
            "average": 91.52958535,
            "count": 4174870,
            "maximum": 202,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.85130861,
            "variance": 4469.097463
          },
          {
            "average": 4.046753073,
            "count": 4174870,
            "maximum": 5,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9354245875,
            "variance": 0.875019159
          },
          {
            "average": 63759337.83,
            "count": 4174870,
            "maximum": 63759816.38,
            "minimum": 63758295.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 514.1063624,
            "variance": 264305.3519
          },
          {
            "average": 0,
            "count": 4174870,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4174870,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4174870,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4174870,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4174870,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.8007,
          2371998.479,
          -0.0482896162,
          620999.8007,
          2372998.479,
          124.8117104
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.8006802485,
                2371998.4792772904,
                -0.048289616196364
              ],
              [
                619999.8006802485,
                2372998.4792772904,
                -0.048289616196364
              ],
              [
                620999.8006802485,
                2372998.4792772904,
                124.81171038380364
              ],
              [
                620999.8006802485,
                2371998.4792772904,
                124.81171038380364
              ],
              [
                619999.8006802485,
                2371998.4792772904,
                -0.048289616196364
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:50:16+00:00",
        "end_time": "2013-09-21T00:24:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2072.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2072.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2072.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2072.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8419451,
            21.44634916,
            -0.0482896162,
            -157.8322243,
            21.45544951,
            124.8117104
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84194514476405,
                  21.446416198780014,
                  -0.048289616196364
                ],
                [
                  -157.84187381854906,
                  21.45544950735329,
                  -0.048289616196364
                ],
                [
                  -157.83222425422164,
                  21.45538243813843,
                  124.81171038380364
                ],
                [
                  -157.83229617473012,
                  21.44634916057545,
                  124.81171038380364
                ],
                [
                  -157.84194514476405,
                  21.446416198780014,
                  -0.048289616196364
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2072.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2072.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:50:16Z",
            "pc:count": 4174870,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620687.7321,
                "count": 4174870,
                "maximum": 620999.8007,
                "minimum": 619999.8007,
                "name": "X",
                "position": 0,
                "stddev": 245.1874813,
                "variance": 60116.901
              },
              {
                "average": 2372692.983,
                "count": 4174870,
                "maximum": 2372998.479,
                "minimum": 2371998.479,
                "name": "Y",
                "position": 1,
                "stddev": 231.5743213,
                "variance": 53626.66631
              },
              {
                "average": 30.78771439,
                "count": 4174870,
                "maximum": 124.8117104,
                "minimum": -0.0482896162,
                "name": "Z",
                "position": 2,
                "stddev": 29.84697056,
                "variance": 890.8416517
              },
              {
                "average": 12.3532898,
                "count": 4174870,
                "maximum": 913,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.99392181,
                "variance": 440.744753
              },
              {
                "average": 1.778166985,
                "count": 4174870,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.066338531,
                "variance": 1.137077863
              },
              {
                "average": 2.556584756,
                "count": 4174870,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.516777204,
                "variance": 2.300613087
              },
              {
                "average": 1,
                "count": 4174870,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4174870,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.175260787,
                "count": 4174870,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.5830382515,
                "variance": 0.3399336027
              },
              {
                "average": 20.07413317,
                "count": 4174870,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.125559132,
                "variance": 4.518001622
              },
              {
                "average": 91.52958535,
                "count": 4174870,
                "maximum": 202,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.85130861,
                "variance": 4469.097463
              },
              {
                "average": 4.046753073,
                "count": 4174870,
                "maximum": 5,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9354245875,
                "variance": 0.875019159
              },
              {
                "average": 63759337.83,
                "count": 4174870,
                "maximum": 63759816.38,
                "minimum": 63758295.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 514.1063624,
                "variance": 264305.3519
              },
              {
                "average": 0,
                "count": 4174870,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4174870,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4174870,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4174870,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4174870,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.8007,
              2371998.479,
              -0.0482896162,
              620999.8007,
              2372998.479,
              124.8117104
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.8006802485,
                    2371998.4792772904,
                    -0.048289616196364
                  ],
                  [
                    619999.8006802485,
                    2372998.4792772904,
                    -0.048289616196364
                  ],
                  [
                    620999.8006802485,
                    2372998.4792772904,
                    124.81171038380364
                  ],
                  [
                    620999.8006802485,
                    2371998.4792772904,
                    124.81171038380364
                  ],
                  [
                    619999.8006802485,
                    2371998.4792772904,
                    -0.048289616196364
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:50:16+00:00",
            "end_time": "2013-09-21T00:24:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1295.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.91759828149452,
              21.654701701639016,
              -33.6243683664474
            ],
            [
              -157.9175308942611,
              21.66373502300172,
              -33.6243683664474
            ],
            [
              -157.90786730950262,
              21.663671730427485,
              8.455631633552597
            ],
            [
              -157.9079352983753,
              21.654638438046305,
              8.455631633552597
            ],
            [
              -157.91759828149452,
              21.654701701639016,
              -33.6243683664474
            ]
          ]
        ]
      },
      "bbox": [
        -157.9175983,
        21.65463844,
        -33.62436837,
        -157.9078673,
        21.66373502,
        8.455631634
      ],
      "properties": {
        "datetime": "2013-09-22T00:34:59Z",
        "pc:count": 1875476,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612313.3611,
            "count": 1875476,
            "maximum": 612999.7693,
            "minimum": 611999.7693,
            "name": "X",
            "position": 0,
            "stddev": 239.3953152,
            "variance": 57310.11692
          },
          {
            "average": 2395395.203,
            "count": 1875476,
            "maximum": 2395998.486,
            "minimum": 2394998.486,
            "name": "Y",
            "position": 1,
            "stddev": 266.2280767,
            "variance": 70877.38882
          },
          {
            "average": -11.99973954,
            "count": 1875476,
            "maximum": 8.455631634,
            "minimum": -33.62436837,
            "name": "Z",
            "position": 2,
            "stddev": 5.999039876,
            "variance": 35.98847943
          },
          {
            "average": 39.8442918,
            "count": 1875476,
            "maximum": 5978,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 80.67141986,
            "variance": 6507.877983
          },
          {
            "average": 1.005333579,
            "count": 1875476,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07475112141,
            "variance": 0.005587730152
          },
          {
            "average": 1.007826813,
            "count": 1875476,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09240506287,
            "variance": 0.008538695643
          },
          {
            "average": 1,
            "count": 1875476,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1875476,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.8549179,
            "count": 1875476,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.99759242,
            "variance": 3.990375478
          },
          {
            "average": 17.93452236,
            "count": 1875476,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.31645848,
            "variance": 39.89764773
          },
          {
            "average": 130.5188677,
            "count": 1875476,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 83.47151269,
            "variance": 6967.493431
          },
          {
            "average": 3.903105665,
            "count": 1875476,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.00423166,
            "variance": 4.016944545
          },
          {
            "average": 63835816.18,
            "count": 1875476,
            "maximum": 63845299.94,
            "minimum": 63830456.88,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5652.254853,
            "variance": 31947984.92
          },
          {
            "average": 0,
            "count": 1875476,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1875476,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1875476,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1875476,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1875476,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7693,
          2394998.486,
          -33.62436837,
          612999.7693,
          2395998.486,
          8.455631634
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7693370895,
                2394998.485874749,
                -33.6243683664474
              ],
              [
                611999.7693370895,
                2395998.485874749,
                -33.6243683664474
              ],
              [
                612999.7693370895,
                2395998.485874749,
                8.455631633552597
              ],
              [
                612999.7693370895,
                2394998.485874749,
                8.455631633552597
              ],
              [
                611999.7693370895,
                2394998.485874749,
                -33.6243683664474
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:34:59+00:00",
        "end_time": "2013-09-21T20:27:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1295.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1295.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1295.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1295.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9175983,
            21.65463844,
            -33.62436837,
            -157.9078673,
            21.66373502,
            8.455631634
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.91759828149452,
                  21.654701701639016,
                  -33.6243683664474
                ],
                [
                  -157.9175308942611,
                  21.66373502300172,
                  -33.6243683664474
                ],
                [
                  -157.90786730950262,
                  21.663671730427485,
                  8.455631633552597
                ],
                [
                  -157.9079352983753,
                  21.654638438046305,
                  8.455631633552597
                ],
                [
                  -157.91759828149452,
                  21.654701701639016,
                  -33.6243683664474
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1295.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1295.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:34:59Z",
            "pc:count": 1875476,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612313.3611,
                "count": 1875476,
                "maximum": 612999.7693,
                "minimum": 611999.7693,
                "name": "X",
                "position": 0,
                "stddev": 239.3953152,
                "variance": 57310.11692
              },
              {
                "average": 2395395.203,
                "count": 1875476,
                "maximum": 2395998.486,
                "minimum": 2394998.486,
                "name": "Y",
                "position": 1,
                "stddev": 266.2280767,
                "variance": 70877.38882
              },
              {
                "average": -11.99973954,
                "count": 1875476,
                "maximum": 8.455631634,
                "minimum": -33.62436837,
                "name": "Z",
                "position": 2,
                "stddev": 5.999039876,
                "variance": 35.98847943
              },
              {
                "average": 39.8442918,
                "count": 1875476,
                "maximum": 5978,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 80.67141986,
                "variance": 6507.877983
              },
              {
                "average": 1.005333579,
                "count": 1875476,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07475112141,
                "variance": 0.005587730152
              },
              {
                "average": 1.007826813,
                "count": 1875476,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09240506287,
                "variance": 0.008538695643
              },
              {
                "average": 1,
                "count": 1875476,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1875476,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.8549179,
                "count": 1875476,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.99759242,
                "variance": 3.990375478
              },
              {
                "average": 17.93452236,
                "count": 1875476,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.31645848,
                "variance": 39.89764773
              },
              {
                "average": 130.5188677,
                "count": 1875476,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 83.47151269,
                "variance": 6967.493431
              },
              {
                "average": 3.903105665,
                "count": 1875476,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.00423166,
                "variance": 4.016944545
              },
              {
                "average": 63835816.18,
                "count": 1875476,
                "maximum": 63845299.94,
                "minimum": 63830456.88,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5652.254853,
                "variance": 31947984.92
              },
              {
                "average": 0,
                "count": 1875476,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1875476,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1875476,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1875476,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1875476,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7693,
              2394998.486,
              -33.62436837,
              612999.7693,
              2395998.486,
              8.455631634
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7693370895,
                    2394998.485874749,
                    -33.6243683664474
                  ],
                  [
                    611999.7693370895,
                    2395998.485874749,
                    -33.6243683664474
                  ],
                  [
                    612999.7693370895,
                    2395998.485874749,
                    8.455631633552597
                  ],
                  [
                    612999.7693370895,
                    2394998.485874749,
                    8.455631633552597
                  ],
                  [
                    611999.7693370895,
                    2394998.485874749,
                    -33.6243683664474
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:34:59+00:00",
            "end_time": "2013-09-21T20:27:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2176.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.83200829200493,
              21.482482254963593,
              -18.20886065472999
            ],
            [
              -157.83193621873485,
              21.49151549365248,
              -18.20886065472999
            ],
            [
              -157.82228409902086,
              21.49144774508891,
              0.01113934527001
            ],
            [
              -157.82235676323546,
              21.482414538440125,
              0.01113934527001
            ],
            [
              -157.83200829200493,
              21.482482254963593,
              -18.20886065472999
            ]
          ]
        ]
      },
      "bbox": [
        -157.8320083,
        21.48241454,
        -18.20886065,
        -157.8222841,
        21.49151549,
        0.01113934527
      ],
      "properties": {
        "datetime": "2013-09-24T20:40:31Z",
        "pc:count": 4342918,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621588.0034,
            "count": 4342918,
            "maximum": 621999.8177,
            "minimum": 620999.7977,
            "name": "X",
            "position": 0,
            "stddev": 235.8856742,
            "variance": 55642.05129
          },
          {
            "average": 2376514.53,
            "count": 4342918,
            "maximum": 2376998.484,
            "minimum": 2375998.484,
            "name": "Y",
            "position": 1,
            "stddev": 289.0878553,
            "variance": 83571.78811
          },
          {
            "average": -4.332041364,
            "count": 4342918,
            "maximum": 0.01113934527,
            "minimum": -18.20886065,
            "name": "Z",
            "position": 2,
            "stddev": 2.274858299,
            "variance": 5.174980278
          },
          {
            "average": 9.846672905,
            "count": 4342918,
            "maximum": 8664,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.57714568,
            "variance": 816.6532551
          },
          {
            "average": 1.01596277,
            "count": 4342918,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1266763831,
            "variance": 0.01604690603
          },
          {
            "average": 1.022325773,
            "count": 4342918,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1495038772,
            "variance": 0.0223514093
          },
          {
            "average": 1,
            "count": 4342918,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4342918,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4342918,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.77946949,
            "count": 4342918,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.87511403,
            "variance": 8.266280686
          },
          {
            "average": 98.63174483,
            "count": 4342918,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 71.92892049,
            "variance": 5173.769603
          },
          {
            "average": 8.042093127,
            "count": 4342918,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.805531335,
            "variance": 7.871006073
          },
          {
            "average": 63751018.86,
            "count": 4342918,
            "maximum": 64090431.31,
            "minimum": 63655605.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 174445.0608,
            "variance": 30431079220.0
          },
          {
            "average": 0,
            "count": 4342918,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4342918,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4342918,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4342918,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4342918,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.7977,
          2375998.484,
          -18.20886065,
          621999.8177,
          2376998.484,
          0.01113934527
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.7977151414,
                2375998.4838756183,
                -18.20886065472999
              ],
              [
                620999.7977151414,
                2376998.4838756183,
                -18.20886065472999
              ],
              [
                621999.8177151415,
                2376998.4838756183,
                0.01113934527001
              ],
              [
                621999.8177151415,
                2375998.4838756183,
                0.01113934527001
              ],
              [
                620999.7977151414,
                2375998.4838756183,
                -18.20886065472999
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:40:31+00:00",
        "end_time": "2013-09-19T19:53:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2176.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2176.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2176.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2176.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8320083,
            21.48241454,
            -18.20886065,
            -157.8222841,
            21.49151549,
            0.01113934527
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.83200829200493,
                  21.482482254963593,
                  -18.20886065472999
                ],
                [
                  -157.83193621873485,
                  21.49151549365248,
                  -18.20886065472999
                ],
                [
                  -157.82228409902086,
                  21.49144774508891,
                  0.01113934527001
                ],
                [
                  -157.82235676323546,
                  21.482414538440125,
                  0.01113934527001
                ],
                [
                  -157.83200829200493,
                  21.482482254963593,
                  -18.20886065472999
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2176.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2176.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:40:31Z",
            "pc:count": 4342918,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621588.0034,
                "count": 4342918,
                "maximum": 621999.8177,
                "minimum": 620999.7977,
                "name": "X",
                "position": 0,
                "stddev": 235.8856742,
                "variance": 55642.05129
              },
              {
                "average": 2376514.53,
                "count": 4342918,
                "maximum": 2376998.484,
                "minimum": 2375998.484,
                "name": "Y",
                "position": 1,
                "stddev": 289.0878553,
                "variance": 83571.78811
              },
              {
                "average": -4.332041364,
                "count": 4342918,
                "maximum": 0.01113934527,
                "minimum": -18.20886065,
                "name": "Z",
                "position": 2,
                "stddev": 2.274858299,
                "variance": 5.174980278
              },
              {
                "average": 9.846672905,
                "count": 4342918,
                "maximum": 8664,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.57714568,
                "variance": 816.6532551
              },
              {
                "average": 1.01596277,
                "count": 4342918,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1266763831,
                "variance": 0.01604690603
              },
              {
                "average": 1.022325773,
                "count": 4342918,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1495038772,
                "variance": 0.0223514093
              },
              {
                "average": 1,
                "count": 4342918,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4342918,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4342918,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.77946949,
                "count": 4342918,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.87511403,
                "variance": 8.266280686
              },
              {
                "average": 98.63174483,
                "count": 4342918,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 71.92892049,
                "variance": 5173.769603
              },
              {
                "average": 8.042093127,
                "count": 4342918,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.805531335,
                "variance": 7.871006073
              },
              {
                "average": 63751018.86,
                "count": 4342918,
                "maximum": 64090431.31,
                "minimum": 63655605.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 174445.0608,
                "variance": 30431079220.0
              },
              {
                "average": 0,
                "count": 4342918,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4342918,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4342918,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4342918,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4342918,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.7977,
              2375998.484,
              -18.20886065,
              621999.8177,
              2376998.484,
              0.01113934527
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.7977151414,
                    2375998.4838756183,
                    -18.20886065472999
                  ],
                  [
                    620999.7977151414,
                    2376998.4838756183,
                    -18.20886065472999
                  ],
                  [
                    621999.8177151415,
                    2376998.4838756183,
                    0.01113934527001
                  ],
                  [
                    621999.8177151415,
                    2375998.4838756183,
                    0.01113934527001
                  ],
                  [
                    620999.7977151414,
                    2375998.4838756183,
                    -18.20886065472999
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:40:31+00:00",
            "end_time": "2013-09-19T19:53:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1588.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88909262447694,
              21.59127730390071,
              -19.51370126181547
            ],
            [
              -157.8890236875387,
              21.60031060722602,
              -19.51370126181547
            ],
            [
              -157.87936421103996,
              21.60024583786023,
              0.92629873818453
            ],
            [
              -157.8794337471732,
              21.591212564393192,
              0.92629873818453
            ],
            [
              -157.88909262447694,
              21.59127730390071,
              -19.51370126181547
            ]
          ]
        ]
      },
      "bbox": [
        -157.8890926,
        21.59121256,
        -19.51370126,
        -157.8793642,
        21.60031061,
        0.9262987382
      ],
      "properties": {
        "datetime": "2013-09-22T01:44:18Z",
        "pc:count": 3712287,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615552.9966,
            "count": 3712287,
            "maximum": 615999.7988,
            "minimum": 614999.7788,
            "name": "X",
            "position": 0,
            "stddev": 275.259193,
            "variance": 75767.62331
          },
          {
            "average": 2388462.343,
            "count": 3712287,
            "maximum": 2388998.484,
            "minimum": 2387998.484,
            "name": "Y",
            "position": 1,
            "stddev": 270.892821,
            "variance": 73382.92048
          },
          {
            "average": -4.300331595,
            "count": 3712287,
            "maximum": 0.9262987382,
            "minimum": -19.51370126,
            "name": "Z",
            "position": 2,
            "stddev": 2.435159999,
            "variance": 5.930004223
          },
          {
            "average": 5.113464018,
            "count": 3712287,
            "maximum": 2221,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.22833575,
            "variance": 231.9022098
          },
          {
            "average": 1.025420987,
            "count": 3712287,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.159531695,
            "variance": 0.0254503617
          },
          {
            "average": 1.045671307,
            "count": 3712287,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2122645578,
            "variance": 0.04505624249
          },
          {
            "average": 1,
            "count": 3712287,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3712287,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3712287,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.93060805,
            "count": 3712287,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.234173247,
            "variance": 10.45987659
          },
          {
            "average": 91.95376381,
            "count": 3712287,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 66.8141262,
            "variance": 4464.127459
          },
          {
            "average": 4.767180716,
            "count": 3712287,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.547106553,
            "variance": 2.393538686
          },
          {
            "average": 63846778.49,
            "count": 3712287,
            "maximum": 63849458.59,
            "minimum": 63844711.34,
            "name": "GpsTime",
            "position": 12,
            "stddev": 855.4010588,
            "variance": 731710.9714
          },
          {
            "average": 0,
            "count": 3712287,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3712287,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3712287,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3712287,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3712287,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.7788,
          2387998.484,
          -19.51370126,
          615999.7988,
          2388998.484,
          0.9262987382
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.7787656047,
                2387998.4838727694,
                -19.51370126181547
              ],
              [
                614999.7787656047,
                2388998.4838727694,
                -19.51370126181547
              ],
              [
                615999.7987656047,
                2388998.4838727694,
                0.92629873818453
              ],
              [
                615999.7987656047,
                2387998.4838727694,
                0.92629873818453
              ],
              [
                614999.7787656047,
                2387998.4838727694,
                -19.51370126181547
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:44:18+00:00",
        "end_time": "2013-09-22T00:25:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1588.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1588.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1588.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1588.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8890926,
            21.59121256,
            -19.51370126,
            -157.8793642,
            21.60031061,
            0.9262987382
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88909262447694,
                  21.59127730390071,
                  -19.51370126181547
                ],
                [
                  -157.8890236875387,
                  21.60031060722602,
                  -19.51370126181547
                ],
                [
                  -157.87936421103996,
                  21.60024583786023,
                  0.92629873818453
                ],
                [
                  -157.8794337471732,
                  21.591212564393192,
                  0.92629873818453
                ],
                [
                  -157.88909262447694,
                  21.59127730390071,
                  -19.51370126181547
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1588.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1588.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:44:18Z",
            "pc:count": 3712287,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615552.9966,
                "count": 3712287,
                "maximum": 615999.7988,
                "minimum": 614999.7788,
                "name": "X",
                "position": 0,
                "stddev": 275.259193,
                "variance": 75767.62331
              },
              {
                "average": 2388462.343,
                "count": 3712287,
                "maximum": 2388998.484,
                "minimum": 2387998.484,
                "name": "Y",
                "position": 1,
                "stddev": 270.892821,
                "variance": 73382.92048
              },
              {
                "average": -4.300331595,
                "count": 3712287,
                "maximum": 0.9262987382,
                "minimum": -19.51370126,
                "name": "Z",
                "position": 2,
                "stddev": 2.435159999,
                "variance": 5.930004223
              },
              {
                "average": 5.113464018,
                "count": 3712287,
                "maximum": 2221,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.22833575,
                "variance": 231.9022098
              },
              {
                "average": 1.025420987,
                "count": 3712287,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.159531695,
                "variance": 0.0254503617
              },
              {
                "average": 1.045671307,
                "count": 3712287,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2122645578,
                "variance": 0.04505624249
              },
              {
                "average": 1,
                "count": 3712287,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3712287,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3712287,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.93060805,
                "count": 3712287,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.234173247,
                "variance": 10.45987659
              },
              {
                "average": 91.95376381,
                "count": 3712287,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 66.8141262,
                "variance": 4464.127459
              },
              {
                "average": 4.767180716,
                "count": 3712287,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.547106553,
                "variance": 2.393538686
              },
              {
                "average": 63846778.49,
                "count": 3712287,
                "maximum": 63849458.59,
                "minimum": 63844711.34,
                "name": "GpsTime",
                "position": 12,
                "stddev": 855.4010588,
                "variance": 731710.9714
              },
              {
                "average": 0,
                "count": 3712287,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3712287,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3712287,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3712287,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3712287,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.7788,
              2387998.484,
              -19.51370126,
              615999.7988,
              2388998.484,
              0.9262987382
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.7787656047,
                    2387998.4838727694,
                    -19.51370126181547
                  ],
                  [
                    614999.7787656047,
                    2388998.4838727694,
                    -19.51370126181547
                  ],
                  [
                    615999.7987656047,
                    2388998.4838727694,
                    0.92629873818453
                  ],
                  [
                    615999.7987656047,
                    2387998.4838727694,
                    0.92629873818453
                  ],
                  [
                    614999.7787656047,
                    2387998.4838727694,
                    -19.51370126181547
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:44:18+00:00",
            "end_time": "2013-09-22T00:25:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj1974.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85145270649028,
              21.464549329693224,
              -0.834061628703218
            ],
            [
              -157.8513818983848,
              21.47358265003368,
              -0.834061628703218
            ],
            [
              -157.84173110955973,
              21.473516075431125,
              121.24593837129677
            ],
            [
              -157.8418025120601,
              21.464482786044368,
              121.24593837129677
            ],
            [
              -157.85145270649028,
              21.464549329693224,
              -0.834061628703218
            ]
          ]
        ]
      },
      "bbox": [
        -157.8514527,
        21.46448279,
        -0.8340616287,
        -157.8417311,
        21.47358265,
        121.2459384
      ],
      "properties": {
        "datetime": "2013-09-24T19:59:44Z",
        "pc:count": 6627236,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619476.1884,
            "count": 6627236,
            "maximum": 619999.7947,
            "minimum": 618999.7947,
            "name": "X",
            "position": 0,
            "stddev": 267.6339579,
            "variance": 71627.93542
          },
          {
            "average": 2374563.613,
            "count": 6627236,
            "maximum": 2374998.477,
            "minimum": 2373998.477,
            "name": "Y",
            "position": 1,
            "stddev": 276.6968596,
            "variance": 76561.15209
          },
          {
            "average": 27.16164118,
            "count": 6627236,
            "maximum": 121.2459384,
            "minimum": -0.8340616287,
            "name": "Z",
            "position": 2,
            "stddev": 24.81964685,
            "variance": 616.01487
          },
          {
            "average": 12.05018321,
            "count": 6627236,
            "maximum": 7232,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.92956516,
            "variance": 621.4832192
          },
          {
            "average": 1.698038519,
            "count": 6627236,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.024439039,
            "variance": 1.049475346
          },
          {
            "average": 2.396681362,
            "count": 6627236,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.477305412,
            "variance": 2.182431281
          },
          {
            "average": 1,
            "count": 6627236,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6627236,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.410283714,
            "count": 6627236,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.615514424,
            "variance": 57.99605994
          },
          {
            "average": 20.6724625,
            "count": 6627236,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.816821037,
            "variance": 23.2017649
          },
          {
            "average": 91.23636868,
            "count": 6627236,
            "maximum": 204,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.21254419,
            "variance": 4517.526096
          },
          {
            "average": 4.064477408,
            "count": 6627236,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.32033318,
            "variance": 11.02461243
          },
          {
            "average": 63780571.51,
            "count": 6627236,
            "maximum": 64087984.14,
            "minimum": 63743533.23,
            "name": "GpsTime",
            "position": 12,
            "stddev": 84629.05875,
            "variance": 7162077585
          },
          {
            "average": 0,
            "count": 6627236,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6627236,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6627236,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6627236,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6627236,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.7947,
          2373998.477,
          -0.8340616287,
          619999.7947,
          2374998.477,
          121.2459384
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.7947006195,
                2373998.476986777,
                -0.834061628703218
              ],
              [
                618999.7947006195,
                2374998.476986777,
                -0.834061628703218
              ],
              [
                619999.7947006195,
                2374998.476986777,
                121.24593837129677
              ],
              [
                619999.7947006195,
                2373998.476986777,
                121.24593837129677
              ],
              [
                618999.7947006195,
                2373998.476986777,
                -0.834061628703218
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T19:59:44+00:00",
        "end_time": "2013-09-20T20:18:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj1974.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj1974.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj1974.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1974.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8514527,
            21.46448279,
            -0.8340616287,
            -157.8417311,
            21.47358265,
            121.2459384
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85145270649028,
                  21.464549329693224,
                  -0.834061628703218
                ],
                [
                  -157.8513818983848,
                  21.47358265003368,
                  -0.834061628703218
                ],
                [
                  -157.84173110955973,
                  21.473516075431125,
                  121.24593837129677
                ],
                [
                  -157.8418025120601,
                  21.464482786044368,
                  121.24593837129677
                ],
                [
                  -157.85145270649028,
                  21.464549329693224,
                  -0.834061628703218
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj1974.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1974.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T19:59:44Z",
            "pc:count": 6627236,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619476.1884,
                "count": 6627236,
                "maximum": 619999.7947,
                "minimum": 618999.7947,
                "name": "X",
                "position": 0,
                "stddev": 267.6339579,
                "variance": 71627.93542
              },
              {
                "average": 2374563.613,
                "count": 6627236,
                "maximum": 2374998.477,
                "minimum": 2373998.477,
                "name": "Y",
                "position": 1,
                "stddev": 276.6968596,
                "variance": 76561.15209
              },
              {
                "average": 27.16164118,
                "count": 6627236,
                "maximum": 121.2459384,
                "minimum": -0.8340616287,
                "name": "Z",
                "position": 2,
                "stddev": 24.81964685,
                "variance": 616.01487
              },
              {
                "average": 12.05018321,
                "count": 6627236,
                "maximum": 7232,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.92956516,
                "variance": 621.4832192
              },
              {
                "average": 1.698038519,
                "count": 6627236,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.024439039,
                "variance": 1.049475346
              },
              {
                "average": 2.396681362,
                "count": 6627236,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.477305412,
                "variance": 2.182431281
              },
              {
                "average": 1,
                "count": 6627236,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6627236,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.410283714,
                "count": 6627236,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.615514424,
                "variance": 57.99605994
              },
              {
                "average": 20.6724625,
                "count": 6627236,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.816821037,
                "variance": 23.2017649
              },
              {
                "average": 91.23636868,
                "count": 6627236,
                "maximum": 204,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.21254419,
                "variance": 4517.526096
              },
              {
                "average": 4.064477408,
                "count": 6627236,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.32033318,
                "variance": 11.02461243
              },
              {
                "average": 63780571.51,
                "count": 6627236,
                "maximum": 64087984.14,
                "minimum": 63743533.23,
                "name": "GpsTime",
                "position": 12,
                "stddev": 84629.05875,
                "variance": 7162077585
              },
              {
                "average": 0,
                "count": 6627236,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6627236,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6627236,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6627236,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6627236,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.7947,
              2373998.477,
              -0.8340616287,
              619999.7947,
              2374998.477,
              121.2459384
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.7947006195,
                    2373998.476986777,
                    -0.834061628703218
                  ],
                  [
                    618999.7947006195,
                    2374998.476986777,
                    -0.834061628703218
                  ],
                  [
                    619999.7947006195,
                    2374998.476986777,
                    121.24593837129677
                  ],
                  [
                    619999.7947006195,
                    2373998.476986777,
                    121.24593837129677
                  ],
                  [
                    618999.7947006195,
                    2373998.476986777,
                    -0.834061628703218
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T19:59:44+00:00",
            "end_time": "2013-09-20T20:18:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1296.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.91753088333027,
              21.663735047373805,
              -31.716497343155787
            ],
            [
              -157.91747640363369,
              21.671034505937584,
              -31.716497343155787
            ],
            [
              -157.91102853162687,
              21.67099232390283,
              -4.776497343155787
            ],
            [
              -157.91108333602153,
              21.663692880892597,
              -4.776497343155787
            ],
            [
              -157.91753088333027,
              21.663735047373805,
              -31.716497343155787
            ]
          ]
        ]
      },
      "bbox": [
        -157.9175309,
        21.66369288,
        -31.71649734,
        -157.9110285,
        21.67103451,
        -4.776497343
      ],
      "properties": {
        "datetime": "2013-09-21T21:09:15Z",
        "pc:count": 215596,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 612131.642,
            "count": 215596,
            "maximum": 612666.9704,
            "minimum": 611999.7704,
            "name": "X",
            "position": 0,
            "stddev": 127.786093,
            "variance": 16329.28556
          },
          {
            "average": 2396228.632,
            "count": 215596,
            "maximum": 2396806.549,
            "minimum": 2395998.489,
            "name": "Y",
            "position": 1,
            "stddev": 173.2011092,
            "variance": 29998.62422
          },
          {
            "average": -15.8423109,
            "count": 215596,
            "maximum": -4.776497343,
            "minimum": -31.71649734,
            "name": "Z",
            "position": 2,
            "stddev": 5.946662001,
            "variance": 35.36278895
          },
          {
            "average": 116.1925082,
            "count": 215596,
            "maximum": 3825,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 143.0778764,
            "variance": 20471.2787
          },
          {
            "average": 1.012518785,
            "count": 215596,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1156027725,
            "variance": 0.01336400102
          },
          {
            "average": 1.015580066,
            "count": 215596,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1344396211,
            "variance": 0.01807401172
          },
          {
            "average": 1,
            "count": 215596,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 215596,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 215596,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.21448438,
            "count": 215596,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.028991164,
            "variance": 49.40671679
          },
          {
            "average": 171.2307974,
            "count": 215596,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 86.17584791,
            "variance": 7426.276763
          },
          {
            "average": 4.354714373,
            "count": 215596,
            "maximum": 6,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6374602104,
            "variance": 0.4063555199
          },
          {
            "average": 63831879.45,
            "count": 215596,
            "maximum": 63832955.91,
            "minimum": 63830697.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 271.2875243,
            "variance": 73596.92084
          },
          {
            "average": 0,
            "count": 215596,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 215596,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 215596,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 215596,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 215596,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          611999.7704,
          2395998.489,
          -31.71649734,
          612666.9704,
          2396806.549,
          -4.776497343
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                611999.7704493512,
                2395998.488580529,
                -31.716497343155787
              ],
              [
                611999.7704493512,
                2396806.5485805287,
                -31.716497343155787
              ],
              [
                612666.9704493511,
                2396806.5485805287,
                -4.776497343155787
              ],
              [
                612666.9704493511,
                2395998.488580529,
                -4.776497343155787
              ],
              [
                611999.7704493512,
                2395998.488580529,
                -31.716497343155787
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T21:09:15+00:00",
        "end_time": "2013-09-21T20:31:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1296.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1296.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1296.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1296.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9175309,
            21.66369288,
            -31.71649734,
            -157.9110285,
            21.67103451,
            -4.776497343
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.91753088333027,
                  21.663735047373805,
                  -31.716497343155787
                ],
                [
                  -157.91747640363369,
                  21.671034505937584,
                  -31.716497343155787
                ],
                [
                  -157.91102853162687,
                  21.67099232390283,
                  -4.776497343155787
                ],
                [
                  -157.91108333602153,
                  21.663692880892597,
                  -4.776497343155787
                ],
                [
                  -157.91753088333027,
                  21.663735047373805,
                  -31.716497343155787
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1296.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1296.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T21:09:15Z",
            "pc:count": 215596,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 612131.642,
                "count": 215596,
                "maximum": 612666.9704,
                "minimum": 611999.7704,
                "name": "X",
                "position": 0,
                "stddev": 127.786093,
                "variance": 16329.28556
              },
              {
                "average": 2396228.632,
                "count": 215596,
                "maximum": 2396806.549,
                "minimum": 2395998.489,
                "name": "Y",
                "position": 1,
                "stddev": 173.2011092,
                "variance": 29998.62422
              },
              {
                "average": -15.8423109,
                "count": 215596,
                "maximum": -4.776497343,
                "minimum": -31.71649734,
                "name": "Z",
                "position": 2,
                "stddev": 5.946662001,
                "variance": 35.36278895
              },
              {
                "average": 116.1925082,
                "count": 215596,
                "maximum": 3825,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 143.0778764,
                "variance": 20471.2787
              },
              {
                "average": 1.012518785,
                "count": 215596,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1156027725,
                "variance": 0.01336400102
              },
              {
                "average": 1.015580066,
                "count": 215596,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1344396211,
                "variance": 0.01807401172
              },
              {
                "average": 1,
                "count": 215596,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 215596,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 215596,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.21448438,
                "count": 215596,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.028991164,
                "variance": 49.40671679
              },
              {
                "average": 171.2307974,
                "count": 215596,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 86.17584791,
                "variance": 7426.276763
              },
              {
                "average": 4.354714373,
                "count": 215596,
                "maximum": 6,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6374602104,
                "variance": 0.4063555199
              },
              {
                "average": 63831879.45,
                "count": 215596,
                "maximum": 63832955.91,
                "minimum": 63830697.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 271.2875243,
                "variance": 73596.92084
              },
              {
                "average": 0,
                "count": 215596,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 215596,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 215596,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 215596,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 215596,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              611999.7704,
              2395998.489,
              -31.71649734,
              612666.9704,
              2396806.549,
              -4.776497343
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    611999.7704493512,
                    2395998.488580529,
                    -31.716497343155787
                  ],
                  [
                    611999.7704493512,
                    2396806.5485805287,
                    -31.716497343155787
                  ],
                  [
                    612666.9704493511,
                    2396806.5485805287,
                    -4.776497343155787
                  ],
                  [
                    612666.9704493511,
                    2395998.488580529,
                    -4.776497343155787
                  ],
                  [
                    611999.7704493512,
                    2395998.488580529,
                    -31.716497343155787
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T21:09:15+00:00",
            "end_time": "2013-09-21T20:31:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1354.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.90872597042335,
              21.293143232991277,
              -7.512295430937808
            ],
            [
              -157.90872491696203,
              21.293285965284475,
              -7.512295430937808
            ],
            [
              -157.90606585145642,
              21.293268707901145,
              -4.492295430937808
            ],
            [
              -157.90606690748731,
              21.293125975733286,
              -4.492295430937808
            ],
            [
              -157.90872597042335,
              21.293143232991277,
              -7.512295430937808
            ]
          ]
        ]
      },
      "bbox": [
        -157.908726,
        21.29312598,
        -7.512295431,
        -157.9060659,
        21.29328597,
        -4.492295431
      ],
      "properties": {
        "datetime": "2013-09-15T10:18:18Z",
        "pc:count": 14845,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613331.8471,
            "count": 14845,
            "maximum": 613472.8315,
            "minimum": 613196.9715,
            "name": "X",
            "position": 0,
            "stddev": 60.97950401,
            "variance": 3718.49991
          },
          {
            "average": 2354992.184,
            "count": 14845,
            "maximum": 2354998.448,
            "minimum": 2354982.648,
            "name": "Y",
            "position": 1,
            "stddev": 4.297370297,
            "variance": 18.46739147
          },
          {
            "average": -5.937338206,
            "count": 14845,
            "maximum": -4.492295431,
            "minimum": -7.512295431,
            "name": "Z",
            "position": 2,
            "stddev": 0.3365033412,
            "variance": 0.1132344986
          },
          {
            "average": 9.666823846,
            "count": 14845,
            "maximum": 100,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.0987015,
            "variance": 488.3526078
          },
          {
            "average": 1.01003705,
            "count": 14845,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.100357915,
            "variance": 0.0100717111
          },
          {
            "average": 1.013742001,
            "count": 14845,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1175735526,
            "variance": 0.01382354028
          },
          {
            "average": 1,
            "count": 14845,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14845,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 14845,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14845,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 88.05746042,
            "count": 14845,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 67.27496195,
            "variance": 4525.920506
          },
          {
            "average": 6,
            "count": 14845,
            "maximum": 6,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63275496.81,
            "count": 14845,
            "maximum": 63275498.63,
            "minimum": 63275494.88,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.7977271636,
            "variance": 0.6363686275
          },
          {
            "average": 0,
            "count": 14845,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14845,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14845,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14845,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14845,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613196.9715,
          2354982.648,
          -7.512295431,
          613472.8315,
          2354998.448,
          -4.492295431
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613196.9715099592,
                2354982.6481916555,
                -7.512295430937808
              ],
              [
                613196.9715099592,
                2354998.4481916553,
                -7.512295430937808
              ],
              [
                613472.8315099593,
                2354998.4481916553,
                -4.492295430937808
              ],
              [
                613472.8315099593,
                2354982.6481916555,
                -4.492295430937808
              ],
              [
                613196.9715099592,
                2354982.6481916555,
                -7.512295430937808
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:18:18+00:00",
        "end_time": "2013-09-15T10:18:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1354.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1354.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1354.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1354.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.908726,
            21.29312598,
            -7.512295431,
            -157.9060659,
            21.29328597,
            -4.492295431
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.90872597042335,
                  21.293143232991277,
                  -7.512295430937808
                ],
                [
                  -157.90872491696203,
                  21.293285965284475,
                  -7.512295430937808
                ],
                [
                  -157.90606585145642,
                  21.293268707901145,
                  -4.492295430937808
                ],
                [
                  -157.90606690748731,
                  21.293125975733286,
                  -4.492295430937808
                ],
                [
                  -157.90872597042335,
                  21.293143232991277,
                  -7.512295430937808
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1354.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1354.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:18:18Z",
            "pc:count": 14845,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613331.8471,
                "count": 14845,
                "maximum": 613472.8315,
                "minimum": 613196.9715,
                "name": "X",
                "position": 0,
                "stddev": 60.97950401,
                "variance": 3718.49991
              },
              {
                "average": 2354992.184,
                "count": 14845,
                "maximum": 2354998.448,
                "minimum": 2354982.648,
                "name": "Y",
                "position": 1,
                "stddev": 4.297370297,
                "variance": 18.46739147
              },
              {
                "average": -5.937338206,
                "count": 14845,
                "maximum": -4.492295431,
                "minimum": -7.512295431,
                "name": "Z",
                "position": 2,
                "stddev": 0.3365033412,
                "variance": 0.1132344986
              },
              {
                "average": 9.666823846,
                "count": 14845,
                "maximum": 100,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.0987015,
                "variance": 488.3526078
              },
              {
                "average": 1.01003705,
                "count": 14845,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.100357915,
                "variance": 0.0100717111
              },
              {
                "average": 1.013742001,
                "count": 14845,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1175735526,
                "variance": 0.01382354028
              },
              {
                "average": 1,
                "count": 14845,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14845,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 14845,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14845,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 88.05746042,
                "count": 14845,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 67.27496195,
                "variance": 4525.920506
              },
              {
                "average": 6,
                "count": 14845,
                "maximum": 6,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63275496.81,
                "count": 14845,
                "maximum": 63275498.63,
                "minimum": 63275494.88,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.7977271636,
                "variance": 0.6363686275
              },
              {
                "average": 0,
                "count": 14845,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14845,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14845,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14845,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14845,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613196.9715,
              2354982.648,
              -7.512295431,
              613472.8315,
              2354998.448,
              -4.492295431
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613196.9715099592,
                    2354982.6481916555,
                    -7.512295430937808
                  ],
                  [
                    613196.9715099592,
                    2354998.4481916553,
                    -7.512295430937808
                  ],
                  [
                    613472.8315099593,
                    2354998.4481916553,
                    -4.492295430937808
                  ],
                  [
                    613472.8315099593,
                    2354982.6481916555,
                    -4.492295430937808
                  ],
                  [
                    613196.9715099592,
                    2354982.6481916555,
                    -7.512295430937808
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:18:18+00:00",
            "end_time": "2013-09-15T10:18:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1755.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.87206924182414,
              21.293044257578917,
              -20.082084409191864
            ],
            [
              -157.8720003052145,
              21.3020780122429,
              -20.082084409191864
            ],
            [
              -157.86236068745544,
              21.30201312796251,
              64.45791559080814
            ],
            [
              -157.86243021340266,
              21.292979403103068,
              64.45791559080814
            ],
            [
              -157.87206924182414,
              21.293044257578917,
              -20.082084409191864
            ]
          ]
        ]
      },
      "bbox": [
        -157.8720692,
        21.2929794,
        -20.08208441,
        -157.8623607,
        21.30207801,
        64.45791559
      ],
      "properties": {
        "datetime": "2013-09-17T12:44:45Z",
        "pc:count": 7837337,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617547.9831,
            "count": 7837337,
            "maximum": 617999.7748,
            "minimum": 616999.7748,
            "name": "X",
            "position": 0,
            "stddev": 302.6554341,
            "variance": 91600.31181
          },
          {
            "average": 2355561.421,
            "count": 7837337,
            "maximum": 2355998.454,
            "minimum": 2354998.434,
            "name": "Y",
            "position": 1,
            "stddev": 294.0230056,
            "variance": 86449.52783
          },
          {
            "average": 3.762738966,
            "count": 7837337,
            "maximum": 64.45791559,
            "minimum": -20.08208441,
            "name": "Z",
            "position": 2,
            "stddev": 7.367845411,
            "variance": 54.28514599
          },
          {
            "average": 24.17372342,
            "count": 7837337,
            "maximum": 5613,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.90823269,
            "variance": 1756.299967
          },
          {
            "average": 1.22939131,
            "count": 7837337,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6083113962,
            "variance": 0.3700427548
          },
          {
            "average": 1.444685867,
            "count": 7837337,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9302015779,
            "variance": 0.8652749756
          },
          {
            "average": 1,
            "count": 7837337,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7837337,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.118843811,
            "count": 7837337,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.59298795,
            "variance": 112.2113937
          },
          {
            "average": 15.03528569,
            "count": 7837337,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.128503511,
            "variance": 83.32957635
          },
          {
            "average": 98.32831139,
            "count": 7837337,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.03606065,
            "variance": 5046.121912
          },
          {
            "average": 6.558250207,
            "count": 7837337,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.527878762,
            "variance": 6.390171034
          },
          {
            "average": 63331012.31,
            "count": 7837337,
            "maximum": 63457085.01,
            "minimum": 63276385.11,
            "name": "GpsTime",
            "position": 12,
            "stddev": 79467.34475,
            "variance": 6315058882
          },
          {
            "average": 0,
            "count": 7837337,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7837337,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7837337,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7837337,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7837337,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.7748,
          2354998.434,
          -20.08208441,
          617999.7748,
          2355998.454,
          64.45791559
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.7747758878,
                2354998.4340206776,
                -20.082084409191864
              ],
              [
                616999.7747758878,
                2355998.454020677,
                -20.082084409191864
              ],
              [
                617999.7747758878,
                2355998.454020677,
                64.45791559080814
              ],
              [
                617999.7747758878,
                2354998.4340206776,
                64.45791559080814
              ],
              [
                616999.7747758878,
                2354998.4340206776,
                -20.082084409191864
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:44:45+00:00",
        "end_time": "2013-09-15T10:33:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1755.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1755.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1755.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1755.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8720692,
            21.2929794,
            -20.08208441,
            -157.8623607,
            21.30207801,
            64.45791559
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.87206924182414,
                  21.293044257578917,
                  -20.082084409191864
                ],
                [
                  -157.8720003052145,
                  21.3020780122429,
                  -20.082084409191864
                ],
                [
                  -157.86236068745544,
                  21.30201312796251,
                  64.45791559080814
                ],
                [
                  -157.86243021340266,
                  21.292979403103068,
                  64.45791559080814
                ],
                [
                  -157.87206924182414,
                  21.293044257578917,
                  -20.082084409191864
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1755.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1755.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:44:45Z",
            "pc:count": 7837337,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617547.9831,
                "count": 7837337,
                "maximum": 617999.7748,
                "minimum": 616999.7748,
                "name": "X",
                "position": 0,
                "stddev": 302.6554341,
                "variance": 91600.31181
              },
              {
                "average": 2355561.421,
                "count": 7837337,
                "maximum": 2355998.454,
                "minimum": 2354998.434,
                "name": "Y",
                "position": 1,
                "stddev": 294.0230056,
                "variance": 86449.52783
              },
              {
                "average": 3.762738966,
                "count": 7837337,
                "maximum": 64.45791559,
                "minimum": -20.08208441,
                "name": "Z",
                "position": 2,
                "stddev": 7.367845411,
                "variance": 54.28514599
              },
              {
                "average": 24.17372342,
                "count": 7837337,
                "maximum": 5613,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.90823269,
                "variance": 1756.299967
              },
              {
                "average": 1.22939131,
                "count": 7837337,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6083113962,
                "variance": 0.3700427548
              },
              {
                "average": 1.444685867,
                "count": 7837337,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9302015779,
                "variance": 0.8652749756
              },
              {
                "average": 1,
                "count": 7837337,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7837337,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.118843811,
                "count": 7837337,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.59298795,
                "variance": 112.2113937
              },
              {
                "average": 15.03528569,
                "count": 7837337,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.128503511,
                "variance": 83.32957635
              },
              {
                "average": 98.32831139,
                "count": 7837337,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.03606065,
                "variance": 5046.121912
              },
              {
                "average": 6.558250207,
                "count": 7837337,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.527878762,
                "variance": 6.390171034
              },
              {
                "average": 63331012.31,
                "count": 7837337,
                "maximum": 63457085.01,
                "minimum": 63276385.11,
                "name": "GpsTime",
                "position": 12,
                "stddev": 79467.34475,
                "variance": 6315058882
              },
              {
                "average": 0,
                "count": 7837337,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7837337,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7837337,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7837337,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7837337,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.7748,
              2354998.434,
              -20.08208441,
              617999.7748,
              2355998.454,
              64.45791559
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.7747758878,
                    2354998.4340206776,
                    -20.082084409191864
                  ],
                  [
                    616999.7747758878,
                    2355998.454020677,
                    -20.082084409191864
                  ],
                  [
                    617999.7747758878,
                    2355998.454020677,
                    64.45791559080814
                  ],
                  [
                    617999.7747758878,
                    2354998.4340206776,
                    64.45791559080814
                  ],
                  [
                    616999.7747758878,
                    2354998.4340206776,
                    -20.082084409191864
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:44:45+00:00",
            "end_time": "2013-09-15T10:33:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1589.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88902362728263,
              21.60031058810908,
              -40.80623562485411
            ],
            [
              -157.88895465594118,
              21.60934388098066,
              -40.80623562485411
            ],
            [
              -157.87929477307142,
              21.60927908307665,
              -1.286235624854111
            ],
            [
              -157.87936434397068,
              21.60024582004081,
              -1.286235624854111
            ],
            [
              -157.88902362728263,
              21.60031058810908,
              -40.80623562485411
            ]
          ]
        ]
      },
      "bbox": [
        -157.8890236,
        21.60024582,
        -40.80623562,
        -157.8792948,
        21.60934388,
        -1.286235625
      ],
      "properties": {
        "datetime": "2013-09-22T01:08:59Z",
        "pc:count": 1437884,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615346.7184,
            "count": 1437884,
            "maximum": 615999.785,
            "minimum": 614999.785,
            "name": "X",
            "position": 0,
            "stddev": 259.8053654,
            "variance": 67498.82788
          },
          {
            "average": 2389375.589,
            "count": 1437884,
            "maximum": 2389998.482,
            "minimum": 2388998.482,
            "name": "Y",
            "position": 1,
            "stddev": 265.0235872,
            "variance": 70237.50175
          },
          {
            "average": -8.549016885,
            "count": 1437884,
            "maximum": -1.286235625,
            "minimum": -40.80623562,
            "name": "Z",
            "position": 2,
            "stddev": 6.774264362,
            "variance": 45.89065764
          },
          {
            "average": 38.79904707,
            "count": 1437884,
            "maximum": 5670,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 132.474135,
            "variance": 17549.39645
          },
          {
            "average": 1.00867803,
            "count": 1437884,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0943713463,
            "variance": 0.008905951003
          },
          {
            "average": 1.011752687,
            "count": 1437884,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1096707634,
            "variance": 0.01202767635
          },
          {
            "average": 1,
            "count": 1437884,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1437884,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1437884,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.35707711,
            "count": 1437884,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.320135644,
            "variance": 18.66357198
          },
          {
            "average": 141.6688432,
            "count": 1437884,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 86.1297184,
            "variance": 7418.328392
          },
          {
            "average": 3.381496699,
            "count": 1437884,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.345962568,
            "variance": 1.811615235
          },
          {
            "average": 63845472.03,
            "count": 1437884,
            "maximum": 63847339.87,
            "minimum": 63831660.53,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2617.96313,
            "variance": 6853730.949
          },
          {
            "average": 0,
            "count": 1437884,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1437884,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1437884,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1437884,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1437884,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.785,
          2388998.482,
          -40.80623562,
          615999.785,
          2389998.482,
          -1.286235625
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.7850185337,
                2388998.4818011336,
                -40.80623562485411
              ],
              [
                614999.7850185337,
                2389998.4818011336,
                -40.80623562485411
              ],
              [
                615999.7850185337,
                2389998.4818011336,
                -1.286235624854111
              ],
              [
                615999.7850185337,
                2388998.4818011336,
                -1.286235624854111
              ],
              [
                614999.7850185337,
                2388998.4818011336,
                -40.80623562485411
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:08:59+00:00",
        "end_time": "2013-09-21T20:47:40+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1589.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1589.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1589.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1589.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8890236,
            21.60024582,
            -40.80623562,
            -157.8792948,
            21.60934388,
            -1.286235625
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88902362728263,
                  21.60031058810908,
                  -40.80623562485411
                ],
                [
                  -157.88895465594118,
                  21.60934388098066,
                  -40.80623562485411
                ],
                [
                  -157.87929477307142,
                  21.60927908307665,
                  -1.286235624854111
                ],
                [
                  -157.87936434397068,
                  21.60024582004081,
                  -1.286235624854111
                ],
                [
                  -157.88902362728263,
                  21.60031058810908,
                  -40.80623562485411
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1589.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1589.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:08:59Z",
            "pc:count": 1437884,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615346.7184,
                "count": 1437884,
                "maximum": 615999.785,
                "minimum": 614999.785,
                "name": "X",
                "position": 0,
                "stddev": 259.8053654,
                "variance": 67498.82788
              },
              {
                "average": 2389375.589,
                "count": 1437884,
                "maximum": 2389998.482,
                "minimum": 2388998.482,
                "name": "Y",
                "position": 1,
                "stddev": 265.0235872,
                "variance": 70237.50175
              },
              {
                "average": -8.549016885,
                "count": 1437884,
                "maximum": -1.286235625,
                "minimum": -40.80623562,
                "name": "Z",
                "position": 2,
                "stddev": 6.774264362,
                "variance": 45.89065764
              },
              {
                "average": 38.79904707,
                "count": 1437884,
                "maximum": 5670,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 132.474135,
                "variance": 17549.39645
              },
              {
                "average": 1.00867803,
                "count": 1437884,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0943713463,
                "variance": 0.008905951003
              },
              {
                "average": 1.011752687,
                "count": 1437884,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1096707634,
                "variance": 0.01202767635
              },
              {
                "average": 1,
                "count": 1437884,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1437884,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1437884,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.35707711,
                "count": 1437884,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.320135644,
                "variance": 18.66357198
              },
              {
                "average": 141.6688432,
                "count": 1437884,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 86.1297184,
                "variance": 7418.328392
              },
              {
                "average": 3.381496699,
                "count": 1437884,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.345962568,
                "variance": 1.811615235
              },
              {
                "average": 63845472.03,
                "count": 1437884,
                "maximum": 63847339.87,
                "minimum": 63831660.53,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2617.96313,
                "variance": 6853730.949
              },
              {
                "average": 0,
                "count": 1437884,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1437884,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1437884,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1437884,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1437884,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.785,
              2388998.482,
              -40.80623562,
              615999.785,
              2389998.482,
              -1.286235625
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.7850185337,
                    2388998.4818011336,
                    -40.80623562485411
                  ],
                  [
                    614999.7850185337,
                    2389998.4818011336,
                    -40.80623562485411
                  ],
                  [
                    615999.7850185337,
                    2389998.4818011336,
                    -1.286235624854111
                  ],
                  [
                    615999.7850185337,
                    2388998.4818011336,
                    -1.286235624854111
                  ],
                  [
                    614999.7850185337,
                    2388998.4818011336,
                    -40.80623562485411
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:08:59+00:00",
            "end_time": "2013-09-21T20:47:40+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1355.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.91062592305929,
              21.293298225947265,
              -13.764216142202143
            ],
            [
              -157.9105593457714,
              21.302331915811827,
              -13.764216142202143
            ],
            [
              -157.90091957779316,
              21.302269237689355,
              1.115783857797858
            ],
            [
              -157.9009867443887,
              21.293235576684797,
              1.115783857797858
            ],
            [
              -157.91062592305929,
              21.293298225947265,
              -13.764216142202143
            ]
          ]
        ]
      },
      "bbox": [
        -157.9106259,
        21.29323558,
        -13.76421614,
        -157.9009196,
        21.30233192,
        1.115783858
      ],
      "properties": {
        "datetime": "2013-09-17T12:48:34Z",
        "pc:count": 2717266,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 613656.931,
            "count": 2717266,
            "maximum": 613999.7552,
            "minimum": 612999.7552,
            "name": "X",
            "position": 0,
            "stddev": 288.3141453,
            "variance": 83125.04639
          },
          {
            "average": 2355531.936,
            "count": 2717266,
            "maximum": 2355998.443,
            "minimum": 2354998.443,
            "name": "Y",
            "position": 1,
            "stddev": 268.1985107,
            "variance": 71930.44115
          },
          {
            "average": -2.501397452,
            "count": 2717266,
            "maximum": 1.115783858,
            "minimum": -13.76421614,
            "name": "Z",
            "position": 2,
            "stddev": 2.08916202,
            "variance": 4.364597946
          },
          {
            "average": 3.105022475,
            "count": 2717266,
            "maximum": 1197,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 10.9024992,
            "variance": 118.8644889
          },
          {
            "average": 1.020613735,
            "count": 2717266,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.143399642,
            "variance": 0.02056345733
          },
          {
            "average": 1.031734839,
            "count": 2717266,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1778155,
            "variance": 0.03161835203
          },
          {
            "average": 1,
            "count": 2717266,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2717266,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2717266,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.974338163,
            "count": 2717266,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.076972236,
            "variance": 65.2374805
          },
          {
            "average": 90.39811009,
            "count": 2717266,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 72.24371476,
            "variance": 5219.154323
          },
          {
            "average": 7.110044802,
            "count": 2717266,
            "maximum": 19,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.106003107,
            "variance": 26.07126772
          },
          {
            "average": 63336165.5,
            "count": 2717266,
            "maximum": 63457314.27,
            "minimum": 63275484.59,
            "name": "GpsTime",
            "position": 12,
            "stddev": 77138.26091,
            "variance": 5950311295
          },
          {
            "average": 0,
            "count": 2717266,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2717266,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2717266,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2717266,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2717266,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          612999.7552,
          2354998.443,
          -13.76421614,
          613999.7552,
          2355998.443,
          1.115783858
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                612999.7552457844,
                2354998.4425240345,
                -13.764216142202143
              ],
              [
                612999.7552457844,
                2355998.4425240345,
                -13.764216142202143
              ],
              [
                613999.7552457844,
                2355998.4425240345,
                1.115783857797858
              ],
              [
                613999.7552457844,
                2354998.4425240345,
                1.115783857797858
              ],
              [
                612999.7552457844,
                2354998.4425240345,
                -13.764216142202143
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:48:34+00:00",
        "end_time": "2013-09-15T10:18:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1355.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1355.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1355.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1355.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9106259,
            21.29323558,
            -13.76421614,
            -157.9009196,
            21.30233192,
            1.115783858
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.91062592305929,
                  21.293298225947265,
                  -13.764216142202143
                ],
                [
                  -157.9105593457714,
                  21.302331915811827,
                  -13.764216142202143
                ],
                [
                  -157.90091957779316,
                  21.302269237689355,
                  1.115783857797858
                ],
                [
                  -157.9009867443887,
                  21.293235576684797,
                  1.115783857797858
                ],
                [
                  -157.91062592305929,
                  21.293298225947265,
                  -13.764216142202143
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1355.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1355.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:48:34Z",
            "pc:count": 2717266,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 613656.931,
                "count": 2717266,
                "maximum": 613999.7552,
                "minimum": 612999.7552,
                "name": "X",
                "position": 0,
                "stddev": 288.3141453,
                "variance": 83125.04639
              },
              {
                "average": 2355531.936,
                "count": 2717266,
                "maximum": 2355998.443,
                "minimum": 2354998.443,
                "name": "Y",
                "position": 1,
                "stddev": 268.1985107,
                "variance": 71930.44115
              },
              {
                "average": -2.501397452,
                "count": 2717266,
                "maximum": 1.115783858,
                "minimum": -13.76421614,
                "name": "Z",
                "position": 2,
                "stddev": 2.08916202,
                "variance": 4.364597946
              },
              {
                "average": 3.105022475,
                "count": 2717266,
                "maximum": 1197,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 10.9024992,
                "variance": 118.8644889
              },
              {
                "average": 1.020613735,
                "count": 2717266,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.143399642,
                "variance": 0.02056345733
              },
              {
                "average": 1.031734839,
                "count": 2717266,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1778155,
                "variance": 0.03161835203
              },
              {
                "average": 1,
                "count": 2717266,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2717266,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2717266,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.974338163,
                "count": 2717266,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.076972236,
                "variance": 65.2374805
              },
              {
                "average": 90.39811009,
                "count": 2717266,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 72.24371476,
                "variance": 5219.154323
              },
              {
                "average": 7.110044802,
                "count": 2717266,
                "maximum": 19,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.106003107,
                "variance": 26.07126772
              },
              {
                "average": 63336165.5,
                "count": 2717266,
                "maximum": 63457314.27,
                "minimum": 63275484.59,
                "name": "GpsTime",
                "position": 12,
                "stddev": 77138.26091,
                "variance": 5950311295
              },
              {
                "average": 0,
                "count": 2717266,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2717266,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2717266,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2717266,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2717266,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              612999.7552,
              2354998.443,
              -13.76421614,
              613999.7552,
              2355998.443,
              1.115783858
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    612999.7552457844,
                    2354998.4425240345,
                    -13.764216142202143
                  ],
                  [
                    612999.7552457844,
                    2355998.4425240345,
                    -13.764216142202143
                  ],
                  [
                    613999.7552457844,
                    2355998.4425240345,
                    1.115783857797858
                  ],
                  [
                    613999.7552457844,
                    2354998.4425240345,
                    1.115783857797858
                  ],
                  [
                    612999.7552457844,
                    2354998.4425240345,
                    -13.764216142202143
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:48:34+00:00",
            "end_time": "2013-09-15T10:18:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj1876.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86096247687428,
              21.48268194813714,
              1.168487632980415
            ],
            [
              -157.86089218662858,
              21.49171546053356,
              1.168487632980415
            ],
            [
              -157.85124017299967,
              21.49164938109507,
              71.44848763298042
            ],
            [
              -157.85131105813255,
              21.482615899489936,
              71.44848763298042
            ],
            [
              -157.86096247687428,
              21.48268194813714,
              1.168487632980415
            ]
          ]
        ]
      },
      "bbox": [
        -157.8609625,
        21.4826159,
        1.168487633,
        -157.8512402,
        21.49171546,
        71.44848763
      ],
      "properties": {
        "datetime": "2013-09-23T23:14:20Z",
        "pc:count": 7870999,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618569.3854,
            "count": 7870999,
            "maximum": 618999.794,
            "minimum": 617999.794,
            "name": "X",
            "position": 0,
            "stddev": 267.5864949,
            "variance": 71602.53227
          },
          {
            "average": 2376541.978,
            "count": 7870999,
            "maximum": 2376998.49,
            "minimum": 2375998.47,
            "name": "Y",
            "position": 1,
            "stddev": 287.3363162,
            "variance": 82562.15858
          },
          {
            "average": 27.0225021,
            "count": 7870999,
            "maximum": 71.44848763,
            "minimum": 1.168487633,
            "name": "Z",
            "position": 2,
            "stddev": 12.30228341,
            "variance": 151.3461772
          },
          {
            "average": 9.614954468,
            "count": 7870999,
            "maximum": 795,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.88870016,
            "variance": 252.4507927
          },
          {
            "average": 1.654097021,
            "count": 7870999,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9189576898,
            "variance": 0.8444832356
          },
          {
            "average": 2.30808351,
            "count": 7870999,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.243526788,
            "variance": 1.546358873
          },
          {
            "average": 1,
            "count": 7870999,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7870999,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.07068785,
            "count": 7870999,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2563027245,
            "variance": 0.06569108657
          },
          {
            "average": 21.87742121,
            "count": 7870999,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.471478847,
            "variance": 55.82299615
          },
          {
            "average": 91.69357575,
            "count": 7870999,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.98248369,
            "variance": 4621.618089
          },
          {
            "average": 8.348913651,
            "count": 7870999,
            "maximum": 11,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.162324902,
            "variance": 4.675648982
          },
          {
            "average": 63970049.16,
            "count": 7870999,
            "maximum": 64013260.81,
            "minimum": 63744670.26,
            "name": "GpsTime",
            "position": 12,
            "stddev": 79916.86197,
            "variance": 6386704827
          },
          {
            "average": 0,
            "count": 7870999,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7870999,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7870999,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7870999,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7870999,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.794,
          2375998.47,
          1.168487633,
          618999.794,
          2376998.49,
          71.44848763
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.7940112131,
                2375998.4700975697,
                1.168487632980415
              ],
              [
                617999.7940112131,
                2376998.4900975693,
                1.168487632980415
              ],
              [
                618999.7940112131,
                2376998.4900975693,
                71.44848763298042
              ],
              [
                618999.7940112131,
                2375998.4700975697,
                71.44848763298042
              ],
              [
                617999.7940112131,
                2375998.4700975697,
                1.168487632980415
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:14:20+00:00",
        "end_time": "2013-09-20T20:37:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj1876.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj1876.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj1876.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1876.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8609625,
            21.4826159,
            1.168487633,
            -157.8512402,
            21.49171546,
            71.44848763
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86096247687428,
                  21.48268194813714,
                  1.168487632980415
                ],
                [
                  -157.86089218662858,
                  21.49171546053356,
                  1.168487632980415
                ],
                [
                  -157.85124017299967,
                  21.49164938109507,
                  71.44848763298042
                ],
                [
                  -157.85131105813255,
                  21.482615899489936,
                  71.44848763298042
                ],
                [
                  -157.86096247687428,
                  21.48268194813714,
                  1.168487632980415
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj1876.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1876.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:14:20Z",
            "pc:count": 7870999,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618569.3854,
                "count": 7870999,
                "maximum": 618999.794,
                "minimum": 617999.794,
                "name": "X",
                "position": 0,
                "stddev": 267.5864949,
                "variance": 71602.53227
              },
              {
                "average": 2376541.978,
                "count": 7870999,
                "maximum": 2376998.49,
                "minimum": 2375998.47,
                "name": "Y",
                "position": 1,
                "stddev": 287.3363162,
                "variance": 82562.15858
              },
              {
                "average": 27.0225021,
                "count": 7870999,
                "maximum": 71.44848763,
                "minimum": 1.168487633,
                "name": "Z",
                "position": 2,
                "stddev": 12.30228341,
                "variance": 151.3461772
              },
              {
                "average": 9.614954468,
                "count": 7870999,
                "maximum": 795,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.88870016,
                "variance": 252.4507927
              },
              {
                "average": 1.654097021,
                "count": 7870999,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9189576898,
                "variance": 0.8444832356
              },
              {
                "average": 2.30808351,
                "count": 7870999,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.243526788,
                "variance": 1.546358873
              },
              {
                "average": 1,
                "count": 7870999,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7870999,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.07068785,
                "count": 7870999,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2563027245,
                "variance": 0.06569108657
              },
              {
                "average": 21.87742121,
                "count": 7870999,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.471478847,
                "variance": 55.82299615
              },
              {
                "average": 91.69357575,
                "count": 7870999,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.98248369,
                "variance": 4621.618089
              },
              {
                "average": 8.348913651,
                "count": 7870999,
                "maximum": 11,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.162324902,
                "variance": 4.675648982
              },
              {
                "average": 63970049.16,
                "count": 7870999,
                "maximum": 64013260.81,
                "minimum": 63744670.26,
                "name": "GpsTime",
                "position": 12,
                "stddev": 79916.86197,
                "variance": 6386704827
              },
              {
                "average": 0,
                "count": 7870999,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7870999,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7870999,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7870999,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7870999,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.794,
              2375998.47,
              1.168487633,
              618999.794,
              2376998.49,
              71.44848763
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.7940112131,
                    2375998.4700975697,
                    1.168487632980415
                  ],
                  [
                    617999.7940112131,
                    2376998.4900975693,
                    1.168487632980415
                  ],
                  [
                    618999.7940112131,
                    2376998.4900975693,
                    71.44848763298042
                  ],
                  [
                    618999.7940112131,
                    2375998.4700975697,
                    71.44848763298042
                  ],
                  [
                    617999.7940112131,
                    2375998.4700975697,
                    1.168487632980415
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:14:20+00:00",
            "end_time": "2013-09-20T20:37:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1590.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88895454864945,
              21.60934397883033,
              -53.425856561750095
            ],
            [
              -157.88888578723194,
              21.618345283443567,
              -53.425856561750095
            ],
            [
              -157.87922549975542,
              21.618280457127266,
              -10.645856561750094
            ],
            [
              -157.87929485897087,
              21.60927918222138,
              -10.645856561750094
            ],
            [
              -157.88895454864945,
              21.60934397883033,
              -53.425856561750095
            ]
          ]
        ]
      },
      "bbox": [
        -157.8889545,
        21.60927918,
        -53.42585656,
        -157.8792255,
        21.61834528,
        -10.64585656
      ],
      "properties": {
        "datetime": "2013-09-22T00:43:53Z",
        "pc:count": 145911,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 615208.74,
            "count": 145911,
            "maximum": 615999.776,
            "minimum": 614999.796,
            "name": "X",
            "position": 0,
            "stddev": 185.8828721,
            "variance": 34552.44213
          },
          {
            "average": 2390225.462,
            "count": 145911,
            "maximum": 2390994.953,
            "minimum": 2389998.493,
            "name": "Y",
            "position": 1,
            "stddev": 182.0125143,
            "variance": 33128.55538
          },
          {
            "average": -19.66665726,
            "count": 145911,
            "maximum": -10.64585656,
            "minimum": -53.42585656,
            "name": "Z",
            "position": 2,
            "stddev": 9.581556041,
            "variance": 91.80621616
          },
          {
            "average": 140.634373,
            "count": 145911,
            "maximum": 3120,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 186.7695322,
            "variance": 34882.85817
          },
          {
            "average": 1.001302164,
            "count": 145911,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03681447065,
            "variance": 0.001355305249
          },
          {
            "average": 1.001466647,
            "count": 145911,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03967572427,
            "variance": 0.001574163097
          },
          {
            "average": 1,
            "count": 145911,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 145911,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 145911,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.14820496,
            "count": 145911,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.106478457,
            "variance": 50.50203605
          },
          {
            "average": 241.9001652,
            "count": 145911,
            "maximum": 251,
            "minimum": 32,
            "name": "UserData",
            "position": 10,
            "stddev": 30.81269204,
            "variance": 949.421991
          },
          {
            "average": 1.766014899,
            "count": 145911,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9466855443,
            "variance": 0.8962135199
          },
          {
            "average": 63844592.69,
            "count": 145911,
            "maximum": 63845833,
            "minimum": 63830802.73,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2396.14456,
            "variance": 5741508.75
          },
          {
            "average": 0,
            "count": 145911,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 145911,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 145911,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 145911,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 145911,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          614999.796,
          2389998.493,
          -53.42585656,
          615999.776,
          2390994.953,
          -10.64585656
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                614999.7960475299,
                2389998.492712027,
                -53.425856561750095
              ],
              [
                614999.7960475299,
                2390994.952712027,
                -53.425856561750095
              ],
              [
                615999.7760475299,
                2390994.952712027,
                -10.645856561750094
              ],
              [
                615999.7760475299,
                2389998.492712027,
                -10.645856561750094
              ],
              [
                614999.7960475299,
                2389998.492712027,
                -53.425856561750095
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:43:53+00:00",
        "end_time": "2013-09-21T20:33:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1590.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1590.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1590.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1590.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8889545,
            21.60927918,
            -53.42585656,
            -157.8792255,
            21.61834528,
            -10.64585656
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88895454864945,
                  21.60934397883033,
                  -53.425856561750095
                ],
                [
                  -157.88888578723194,
                  21.618345283443567,
                  -53.425856561750095
                ],
                [
                  -157.87922549975542,
                  21.618280457127266,
                  -10.645856561750094
                ],
                [
                  -157.87929485897087,
                  21.60927918222138,
                  -10.645856561750094
                ],
                [
                  -157.88895454864945,
                  21.60934397883033,
                  -53.425856561750095
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1590.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1590.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:43:53Z",
            "pc:count": 145911,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 615208.74,
                "count": 145911,
                "maximum": 615999.776,
                "minimum": 614999.796,
                "name": "X",
                "position": 0,
                "stddev": 185.8828721,
                "variance": 34552.44213
              },
              {
                "average": 2390225.462,
                "count": 145911,
                "maximum": 2390994.953,
                "minimum": 2389998.493,
                "name": "Y",
                "position": 1,
                "stddev": 182.0125143,
                "variance": 33128.55538
              },
              {
                "average": -19.66665726,
                "count": 145911,
                "maximum": -10.64585656,
                "minimum": -53.42585656,
                "name": "Z",
                "position": 2,
                "stddev": 9.581556041,
                "variance": 91.80621616
              },
              {
                "average": 140.634373,
                "count": 145911,
                "maximum": 3120,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 186.7695322,
                "variance": 34882.85817
              },
              {
                "average": 1.001302164,
                "count": 145911,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03681447065,
                "variance": 0.001355305249
              },
              {
                "average": 1.001466647,
                "count": 145911,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03967572427,
                "variance": 0.001574163097
              },
              {
                "average": 1,
                "count": 145911,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 145911,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 145911,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.14820496,
                "count": 145911,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.106478457,
                "variance": 50.50203605
              },
              {
                "average": 241.9001652,
                "count": 145911,
                "maximum": 251,
                "minimum": 32,
                "name": "UserData",
                "position": 10,
                "stddev": 30.81269204,
                "variance": 949.421991
              },
              {
                "average": 1.766014899,
                "count": 145911,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9466855443,
                "variance": 0.8962135199
              },
              {
                "average": 63844592.69,
                "count": 145911,
                "maximum": 63845833,
                "minimum": 63830802.73,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2396.14456,
                "variance": 5741508.75
              },
              {
                "average": 0,
                "count": 145911,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 145911,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 145911,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 145911,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 145911,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              614999.796,
              2389998.493,
              -53.42585656,
              615999.776,
              2390994.953,
              -10.64585656
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    614999.7960475299,
                    2389998.492712027,
                    -53.425856561750095
                  ],
                  [
                    614999.7960475299,
                    2390994.952712027,
                    -53.425856561750095
                  ],
                  [
                    615999.7760475299,
                    2390994.952712027,
                    -10.645856561750094
                  ],
                  [
                    615999.7760475299,
                    2389998.492712027,
                    -10.645856561750094
                  ],
                  [
                    614999.7960475299,
                    2389998.492712027,
                    -53.425856561750095
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:43:53+00:00",
            "end_time": "2013-09-21T20:33:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1653.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88178651020309,
              21.282775228359938,
              -58.3587569813219
            ],
            [
              -157.8817766848009,
              21.284074985583835,
              -58.3587569813219
            ],
            [
              -157.87214109766538,
              21.284010742312947,
              -36.0787569813219
            ],
            [
              -157.87215100796678,
              21.282710989034,
              -36.0787569813219
            ],
            [
              -157.88178651020309,
              21.282775228359938,
              -58.3587569813219
            ]
          ]
        ]
      },
      "bbox": [
        -157.8817865,
        21.28271099,
        -58.35875698,
        -157.8721411,
        21.28407499,
        -36.07875698
      ],
      "properties": {
        "datetime": "2013-09-17T12:49:28Z",
        "pc:count": 49577,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616539.973,
            "count": 49577,
            "maximum": 616999.468,
            "minimum": 615999.768,
            "name": "X",
            "position": 0,
            "stddev": 271.0726669,
            "variance": 73480.39072
          },
          {
            "average": 2353956.242,
            "count": 49577,
            "maximum": 2353998.44,
            "minimum": 2353854.56,
            "name": "Y",
            "position": 1,
            "stddev": 30.22838141,
            "variance": 913.7550425
          },
          {
            "average": -45.04012294,
            "count": 49577,
            "maximum": -36.07875698,
            "minimum": -58.35875698,
            "name": "Z",
            "position": 2,
            "stddev": 4.372261805,
            "variance": 19.1166733
          },
          {
            "average": 1488.159973,
            "count": 49577,
            "maximum": 6641,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1284.944651,
            "variance": 1651082.757
          },
          {
            "average": 1.046614357,
            "count": 49577,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2111004071,
            "variance": 0.04456338188
          },
          {
            "average": 1.046614357,
            "count": 49577,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2111004071,
            "variance": 0.04456338188
          },
          {
            "average": 1,
            "count": 49577,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 49577,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 49577,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.226367312,
            "count": 49577,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.920898567,
            "variance": 35.05703985
          },
          {
            "average": 249.1765133,
            "count": 49577,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.4058117235,
            "variance": 0.1646831549
          },
          {
            "average": 17.19936664,
            "count": 49577,
            "maximum": 19,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.787059255,
            "variance": 7.767699292
          },
          {
            "average": 63294355.4,
            "count": 49577,
            "maximum": 63457368.34,
            "minimum": 63282791.83,
            "name": "GpsTime",
            "position": 12,
            "stddev": 42094.2671,
            "variance": 1771927322
          },
          {
            "average": 0,
            "count": 49577,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 49577,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 49577,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 49577,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 49577,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.768,
          2353854.56,
          -58.35875698,
          616999.468,
          2353998.44,
          -36.07875698
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.7680158239,
                2353854.559627759,
                -58.3587569813219
              ],
              [
                615999.7680158239,
                2353998.4396277587,
                -58.3587569813219
              ],
              [
                616999.4680158239,
                2353998.4396277587,
                -36.0787569813219
              ],
              [
                616999.4680158239,
                2353854.559627759,
                -36.0787569813219
              ],
              [
                615999.7680158239,
                2353854.559627759,
                -58.3587569813219
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:49:28+00:00",
        "end_time": "2013-09-15T12:19:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1653.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1653.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1653.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1653.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8817865,
            21.28271099,
            -58.35875698,
            -157.8721411,
            21.28407499,
            -36.07875698
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88178651020309,
                  21.282775228359938,
                  -58.3587569813219
                ],
                [
                  -157.8817766848009,
                  21.284074985583835,
                  -58.3587569813219
                ],
                [
                  -157.87214109766538,
                  21.284010742312947,
                  -36.0787569813219
                ],
                [
                  -157.87215100796678,
                  21.282710989034,
                  -36.0787569813219
                ],
                [
                  -157.88178651020309,
                  21.282775228359938,
                  -58.3587569813219
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1653.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1653.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:49:28Z",
            "pc:count": 49577,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616539.973,
                "count": 49577,
                "maximum": 616999.468,
                "minimum": 615999.768,
                "name": "X",
                "position": 0,
                "stddev": 271.0726669,
                "variance": 73480.39072
              },
              {
                "average": 2353956.242,
                "count": 49577,
                "maximum": 2353998.44,
                "minimum": 2353854.56,
                "name": "Y",
                "position": 1,
                "stddev": 30.22838141,
                "variance": 913.7550425
              },
              {
                "average": -45.04012294,
                "count": 49577,
                "maximum": -36.07875698,
                "minimum": -58.35875698,
                "name": "Z",
                "position": 2,
                "stddev": 4.372261805,
                "variance": 19.1166733
              },
              {
                "average": 1488.159973,
                "count": 49577,
                "maximum": 6641,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1284.944651,
                "variance": 1651082.757
              },
              {
                "average": 1.046614357,
                "count": 49577,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2111004071,
                "variance": 0.04456338188
              },
              {
                "average": 1.046614357,
                "count": 49577,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2111004071,
                "variance": 0.04456338188
              },
              {
                "average": 1,
                "count": 49577,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 49577,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 49577,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.226367312,
                "count": 49577,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.920898567,
                "variance": 35.05703985
              },
              {
                "average": 249.1765133,
                "count": 49577,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.4058117235,
                "variance": 0.1646831549
              },
              {
                "average": 17.19936664,
                "count": 49577,
                "maximum": 19,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.787059255,
                "variance": 7.767699292
              },
              {
                "average": 63294355.4,
                "count": 49577,
                "maximum": 63457368.34,
                "minimum": 63282791.83,
                "name": "GpsTime",
                "position": 12,
                "stddev": 42094.2671,
                "variance": 1771927322
              },
              {
                "average": 0,
                "count": 49577,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 49577,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 49577,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 49577,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 49577,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.768,
              2353854.56,
              -58.35875698,
              616999.468,
              2353998.44,
              -36.07875698
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.7680158239,
                    2353854.559627759,
                    -58.3587569813219
                  ],
                  [
                    615999.7680158239,
                    2353998.4396277587,
                    -58.3587569813219
                  ],
                  [
                    616999.4680158239,
                    2353998.4396277587,
                    -36.0787569813219
                  ],
                  [
                    616999.4680158239,
                    2353854.559627759,
                    -36.0787569813219
                  ],
                  [
                    615999.7680158239,
                    2353854.559627759,
                    -58.3587569813219
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:49:28+00:00",
            "end_time": "2013-09-15T12:19:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2073.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84187387275642,
              21.45544937332107,
              -3.950847415378732
            ],
            [
              -157.84180250697565,
              21.464482852969645,
              -3.950847415378732
            ],
            [
              -157.8321523483162,
              21.464415752669243,
              103.00915258462128
            ],
            [
              -157.83222430843767,
              21.45538230410973,
              103.00915258462128
            ],
            [
              -157.84187387275642,
              21.45544937332107,
              -3.950847415378732
            ]
          ]
        ]
      },
      "bbox": [
        -157.8418739,
        21.4553823,
        -3.950847415,
        -157.8321523,
        21.46448285,
        103.0091526
      ],
      "properties": {
        "datetime": "2013-09-23T23:15:02Z",
        "pc:count": 4215070,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620546.0585,
            "count": 4215070,
            "maximum": 620999.7952,
            "minimum": 619999.7952,
            "name": "X",
            "position": 0,
            "stddev": 303.0309059,
            "variance": 91827.72994
          },
          {
            "average": 2373365.025,
            "count": 4215070,
            "maximum": 2373998.484,
            "minimum": 2372998.464,
            "name": "Y",
            "position": 1,
            "stddev": 265.9133067,
            "variance": 70709.88668
          },
          {
            "average": 15.05573077,
            "count": 4215070,
            "maximum": 103.0091526,
            "minimum": -3.950847415,
            "name": "Z",
            "position": 2,
            "stddev": 21.06913701,
            "variance": 443.9085342
          },
          {
            "average": 12.07871827,
            "count": 4215070,
            "maximum": 6515,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.7437993,
            "variance": 662.7432026
          },
          {
            "average": 1.501808748,
            "count": 4215070,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9036288209,
            "variance": 0.8165450459
          },
          {
            "average": 2.007871993,
            "count": 4215070,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.358665735,
            "variance": 1.845972581
          },
          {
            "average": 1,
            "count": 4215070,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4215070,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.059352751,
            "count": 4215070,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.02315612,
            "variance": 144.556283
          },
          {
            "average": 20.05609723,
            "count": 4215070,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.151556125,
            "variance": 4.629193758
          },
          {
            "average": 91.02745174,
            "count": 4215070,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.09805239,
            "variance": 4637.344739
          },
          {
            "average": 3.578100245,
            "count": 4215070,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.673513505,
            "variance": 7.147674464
          },
          {
            "average": 63760028.96,
            "count": 4215070,
            "maximum": 64013302.5,
            "minimum": 63744402.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 28780.93759,
            "variance": 828342368.7
          },
          {
            "average": 0,
            "count": 4215070,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4215070,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4215070,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4215070,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4215070,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.7952,
          2372998.464,
          -3.950847415,
          620999.7952,
          2373998.484,
          103.0091526
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.7951726648,
                2372998.4643990044,
                -3.950847415378732
              ],
              [
                619999.7951726648,
                2373998.484399004,
                -3.950847415378732
              ],
              [
                620999.7951726648,
                2373998.484399004,
                103.00915258462128
              ],
              [
                620999.7951726648,
                2372998.4643990044,
                103.00915258462128
              ],
              [
                619999.7951726648,
                2372998.4643990044,
                -3.950847415378732
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:15:02+00:00",
        "end_time": "2013-09-20T20:33:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2073.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2073.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2073.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2073.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8418739,
            21.4553823,
            -3.950847415,
            -157.8321523,
            21.46448285,
            103.0091526
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84187387275642,
                  21.45544937332107,
                  -3.950847415378732
                ],
                [
                  -157.84180250697565,
                  21.464482852969645,
                  -3.950847415378732
                ],
                [
                  -157.8321523483162,
                  21.464415752669243,
                  103.00915258462128
                ],
                [
                  -157.83222430843767,
                  21.45538230410973,
                  103.00915258462128
                ],
                [
                  -157.84187387275642,
                  21.45544937332107,
                  -3.950847415378732
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2073.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2073.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:15:02Z",
            "pc:count": 4215070,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620546.0585,
                "count": 4215070,
                "maximum": 620999.7952,
                "minimum": 619999.7952,
                "name": "X",
                "position": 0,
                "stddev": 303.0309059,
                "variance": 91827.72994
              },
              {
                "average": 2373365.025,
                "count": 4215070,
                "maximum": 2373998.484,
                "minimum": 2372998.464,
                "name": "Y",
                "position": 1,
                "stddev": 265.9133067,
                "variance": 70709.88668
              },
              {
                "average": 15.05573077,
                "count": 4215070,
                "maximum": 103.0091526,
                "minimum": -3.950847415,
                "name": "Z",
                "position": 2,
                "stddev": 21.06913701,
                "variance": 443.9085342
              },
              {
                "average": 12.07871827,
                "count": 4215070,
                "maximum": 6515,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.7437993,
                "variance": 662.7432026
              },
              {
                "average": 1.501808748,
                "count": 4215070,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9036288209,
                "variance": 0.8165450459
              },
              {
                "average": 2.007871993,
                "count": 4215070,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.358665735,
                "variance": 1.845972581
              },
              {
                "average": 1,
                "count": 4215070,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4215070,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.059352751,
                "count": 4215070,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.02315612,
                "variance": 144.556283
              },
              {
                "average": 20.05609723,
                "count": 4215070,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.151556125,
                "variance": 4.629193758
              },
              {
                "average": 91.02745174,
                "count": 4215070,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.09805239,
                "variance": 4637.344739
              },
              {
                "average": 3.578100245,
                "count": 4215070,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.673513505,
                "variance": 7.147674464
              },
              {
                "average": 63760028.96,
                "count": 4215070,
                "maximum": 64013302.5,
                "minimum": 63744402.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 28780.93759,
                "variance": 828342368.7
              },
              {
                "average": 0,
                "count": 4215070,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4215070,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4215070,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4215070,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4215070,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.7952,
              2372998.464,
              -3.950847415,
              620999.7952,
              2373998.484,
              103.0091526
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.7951726648,
                    2372998.4643990044,
                    -3.950847415378732
                  ],
                  [
                    619999.7951726648,
                    2373998.484399004,
                    -3.950847415378732
                  ],
                  [
                    620999.7951726648,
                    2373998.484399004,
                    103.00915258462128
                  ],
                  [
                    620999.7951726648,
                    2372998.4643990044,
                    103.00915258462128
                  ],
                  [
                    619999.7951726648,
                    2372998.4643990044,
                    -3.950847415378732
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:15:02+00:00",
            "end_time": "2013-09-20T20:33:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1654.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88177671133926,
              21.284074903518107,
              -49.93175404111246
            ],
            [
              -157.88170840056335,
              21.29310869780876,
              -49.93175404111246
            ],
            [
              -157.87206933176546,
              21.29304440727526,
              -5.471754041112462
            ],
            [
              -157.87213823267152,
              21.284010640884507,
              -5.471754041112462
            ],
            [
              -157.88177671133926,
              21.284074903518107,
              -49.93175404111246
            ]
          ]
        ]
      },
      "bbox": [
        -157.8817767,
        21.28401064,
        -49.93175404,
        -157.8720693,
        21.2931087,
        -5.471754041
      ],
      "properties": {
        "datetime": "2013-09-17T12:49:28Z",
        "pc:count": 1386257,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616467.018,
            "count": 1386257,
            "maximum": 616999.7653,
            "minimum": 615999.7653,
            "name": "X",
            "position": 0,
            "stddev": 286.2534033,
            "variance": 81941.0109
          },
          {
            "average": 2354608.497,
            "count": 1386257,
            "maximum": 2354998.451,
            "minimum": 2353998.431,
            "name": "Y",
            "position": 1,
            "stddev": 289.4340303,
            "variance": 83772.05788
          },
          {
            "average": -16.50297306,
            "count": 1386257,
            "maximum": -5.471754041,
            "minimum": -49.93175404,
            "name": "Z",
            "position": 2,
            "stddev": 7.669094948,
            "variance": 58.81501732
          },
          {
            "average": 210.3106004,
            "count": 1386257,
            "maximum": 3128,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 356.6222539,
            "variance": 127179.432
          },
          {
            "average": 1.057293128,
            "count": 1386257,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2328949537,
            "variance": 0.05424005947
          },
          {
            "average": 1.059872015,
            "count": 1386257,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2380085739,
            "variance": 0.05664808123
          },
          {
            "average": 1,
            "count": 1386257,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1386257,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1386257,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.88381981,
            "count": 1386257,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.884557677,
            "variance": 97.70448047
          },
          {
            "average": 196.2928288,
            "count": 1386257,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 82.2247977,
            "variance": 6760.917356
          },
          {
            "average": 10.4817541,
            "count": 1386257,
            "maximum": 19,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.977317171,
            "variance": 35.72832056
          },
          {
            "average": 63354763.37,
            "count": 1386257,
            "maximum": 63457368.27,
            "minimum": 63280699.07,
            "name": "GpsTime",
            "position": 12,
            "stddev": 85874.78597,
            "variance": 7374478865
          },
          {
            "average": 0,
            "count": 1386257,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1386257,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1386257,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1386257,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1386257,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7653,
          2353998.431,
          -49.93175404,
          616999.7653,
          2354998.451,
          -5.471754041
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.7653269544,
                2353998.4305242305,
                -49.93175404111246
              ],
              [
                615999.7653269544,
                2354998.45052423,
                -49.93175404111246
              ],
              [
                616999.7653269544,
                2354998.45052423,
                -5.471754041112462
              ],
              [
                616999.7653269544,
                2353998.4305242305,
                -5.471754041112462
              ],
              [
                615999.7653269544,
                2353998.4305242305,
                -49.93175404111246
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:49:28+00:00",
        "end_time": "2013-09-15T11:44:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1654.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1654.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1654.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1654.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8817767,
            21.28401064,
            -49.93175404,
            -157.8720693,
            21.2931087,
            -5.471754041
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88177671133926,
                  21.284074903518107,
                  -49.93175404111246
                ],
                [
                  -157.88170840056335,
                  21.29310869780876,
                  -49.93175404111246
                ],
                [
                  -157.87206933176546,
                  21.29304440727526,
                  -5.471754041112462
                ],
                [
                  -157.87213823267152,
                  21.284010640884507,
                  -5.471754041112462
                ],
                [
                  -157.88177671133926,
                  21.284074903518107,
                  -49.93175404111246
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1654.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1654.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:49:28Z",
            "pc:count": 1386257,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616467.018,
                "count": 1386257,
                "maximum": 616999.7653,
                "minimum": 615999.7653,
                "name": "X",
                "position": 0,
                "stddev": 286.2534033,
                "variance": 81941.0109
              },
              {
                "average": 2354608.497,
                "count": 1386257,
                "maximum": 2354998.451,
                "minimum": 2353998.431,
                "name": "Y",
                "position": 1,
                "stddev": 289.4340303,
                "variance": 83772.05788
              },
              {
                "average": -16.50297306,
                "count": 1386257,
                "maximum": -5.471754041,
                "minimum": -49.93175404,
                "name": "Z",
                "position": 2,
                "stddev": 7.669094948,
                "variance": 58.81501732
              },
              {
                "average": 210.3106004,
                "count": 1386257,
                "maximum": 3128,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 356.6222539,
                "variance": 127179.432
              },
              {
                "average": 1.057293128,
                "count": 1386257,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2328949537,
                "variance": 0.05424005947
              },
              {
                "average": 1.059872015,
                "count": 1386257,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2380085739,
                "variance": 0.05664808123
              },
              {
                "average": 1,
                "count": 1386257,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1386257,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1386257,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.88381981,
                "count": 1386257,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.884557677,
                "variance": 97.70448047
              },
              {
                "average": 196.2928288,
                "count": 1386257,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 82.2247977,
                "variance": 6760.917356
              },
              {
                "average": 10.4817541,
                "count": 1386257,
                "maximum": 19,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.977317171,
                "variance": 35.72832056
              },
              {
                "average": 63354763.37,
                "count": 1386257,
                "maximum": 63457368.27,
                "minimum": 63280699.07,
                "name": "GpsTime",
                "position": 12,
                "stddev": 85874.78597,
                "variance": 7374478865
              },
              {
                "average": 0,
                "count": 1386257,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1386257,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1386257,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1386257,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1386257,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7653,
              2353998.431,
              -49.93175404,
              616999.7653,
              2354998.451,
              -5.471754041
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.7653269544,
                    2353998.4305242305,
                    -49.93175404111246
                  ],
                  [
                    615999.7653269544,
                    2354998.45052423,
                    -49.93175404111246
                  ],
                  [
                    616999.7653269544,
                    2354998.45052423,
                    -5.471754041112462
                  ],
                  [
                    616999.7653269544,
                    2353998.4305242305,
                    -5.471754041112462
                  ],
                  [
                    615999.7653269544,
                    2353998.4305242305,
                    -49.93175404111246
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:49:28+00:00",
            "end_time": "2013-09-15T11:44:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1488.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.89875129311423,
              21.5913414864283,
              -18.696453413914114
            ],
            [
              -157.89868295520827,
              21.600374819397302,
              -18.696453413914114
            ],
            [
              -157.8890236370949,
              21.600310611402932,
              44.203546586085885
            ],
            [
              -157.88909257403625,
              21.59127730807778,
              44.203546586085885
            ],
            [
              -157.89875129311423,
              21.5913414864283,
              -18.696453413914114
            ]
          ]
        ]
      },
      "bbox": [
        -157.8987513,
        21.59127731,
        -18.69645341,
        -157.8890236,
        21.60037482,
        44.20354659
      ],
      "properties": {
        "datetime": "2013-09-22T02:19:22Z",
        "pc:count": 4339665,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614439.5168,
            "count": 4339665,
            "maximum": 614999.784,
            "minimum": 613999.784,
            "name": "X",
            "position": 0,
            "stddev": 288.808704,
            "variance": 83410.4675
          },
          {
            "average": 2388458.404,
            "count": 4339665,
            "maximum": 2388998.484,
            "minimum": 2387998.484,
            "name": "Y",
            "position": 1,
            "stddev": 290.2753457,
            "variance": 84259.77632
          },
          {
            "average": 2.559006095,
            "count": 4339665,
            "maximum": 44.20354659,
            "minimum": -18.69645341,
            "name": "Z",
            "position": 2,
            "stddev": 5.961109817,
            "variance": 35.53483025
          },
          {
            "average": 14.4877789,
            "count": 4339665,
            "maximum": 8964,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 34.94630195,
            "variance": 1221.24402
          },
          {
            "average": 1.180962355,
            "count": 4339665,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5436314714,
            "variance": 0.2955351767
          },
          {
            "average": 1.361419833,
            "count": 4339665,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8317290512,
            "variance": 0.6917732146
          },
          {
            "average": 1,
            "count": 4339665,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4339665,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.45911724,
            "count": 4339665,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.91320461,
            "variance": 193.5772624
          },
          {
            "average": 20.0522771,
            "count": 4339665,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.469596939,
            "variance": 6.09890904
          },
          {
            "average": 90.4212309,
            "count": 4339665,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.38874142,
            "variance": 4677.019952
          },
          {
            "average": 9.57514716,
            "count": 4339665,
            "maximum": 13,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.507844593,
            "variance": 2.273595317
          },
          {
            "average": 63849758.59,
            "count": 4339665,
            "maximum": 63851562.41,
            "minimum": 63846969.64,
            "name": "GpsTime",
            "position": 12,
            "stddev": 961.615551,
            "variance": 924704.4679
          },
          {
            "average": 0,
            "count": 4339665,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4339665,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4339665,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4339665,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4339665,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.784,
          2387998.484,
          -18.69645341,
          614999.784,
          2388998.484,
          44.20354659
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.783984343,
                2387998.4843724165,
                -18.696453413914114
              ],
              [
                613999.783984343,
                2388998.4843724165,
                -18.696453413914114
              ],
              [
                614999.783984343,
                2388998.4843724165,
                44.203546586085885
              ],
              [
                614999.783984343,
                2387998.4843724165,
                44.203546586085885
              ],
              [
                613999.783984343,
                2387998.4843724165,
                -18.696453413914114
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T02:19:22+00:00",
        "end_time": "2013-09-22T01:02:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1488.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1488.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1488.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1488.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8987513,
            21.59127731,
            -18.69645341,
            -157.8890236,
            21.60037482,
            44.20354659
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.89875129311423,
                  21.5913414864283,
                  -18.696453413914114
                ],
                [
                  -157.89868295520827,
                  21.600374819397302,
                  -18.696453413914114
                ],
                [
                  -157.8890236370949,
                  21.600310611402932,
                  44.203546586085885
                ],
                [
                  -157.88909257403625,
                  21.59127730807778,
                  44.203546586085885
                ],
                [
                  -157.89875129311423,
                  21.5913414864283,
                  -18.696453413914114
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1488.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1488.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T02:19:22Z",
            "pc:count": 4339665,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614439.5168,
                "count": 4339665,
                "maximum": 614999.784,
                "minimum": 613999.784,
                "name": "X",
                "position": 0,
                "stddev": 288.808704,
                "variance": 83410.4675
              },
              {
                "average": 2388458.404,
                "count": 4339665,
                "maximum": 2388998.484,
                "minimum": 2387998.484,
                "name": "Y",
                "position": 1,
                "stddev": 290.2753457,
                "variance": 84259.77632
              },
              {
                "average": 2.559006095,
                "count": 4339665,
                "maximum": 44.20354659,
                "minimum": -18.69645341,
                "name": "Z",
                "position": 2,
                "stddev": 5.961109817,
                "variance": 35.53483025
              },
              {
                "average": 14.4877789,
                "count": 4339665,
                "maximum": 8964,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 34.94630195,
                "variance": 1221.24402
              },
              {
                "average": 1.180962355,
                "count": 4339665,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5436314714,
                "variance": 0.2955351767
              },
              {
                "average": 1.361419833,
                "count": 4339665,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8317290512,
                "variance": 0.6917732146
              },
              {
                "average": 1,
                "count": 4339665,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4339665,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.45911724,
                "count": 4339665,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.91320461,
                "variance": 193.5772624
              },
              {
                "average": 20.0522771,
                "count": 4339665,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.469596939,
                "variance": 6.09890904
              },
              {
                "average": 90.4212309,
                "count": 4339665,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.38874142,
                "variance": 4677.019952
              },
              {
                "average": 9.57514716,
                "count": 4339665,
                "maximum": 13,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.507844593,
                "variance": 2.273595317
              },
              {
                "average": 63849758.59,
                "count": 4339665,
                "maximum": 63851562.41,
                "minimum": 63846969.64,
                "name": "GpsTime",
                "position": 12,
                "stddev": 961.615551,
                "variance": 924704.4679
              },
              {
                "average": 0,
                "count": 4339665,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4339665,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4339665,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4339665,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4339665,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.784,
              2387998.484,
              -18.69645341,
              614999.784,
              2388998.484,
              44.20354659
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.783984343,
                    2387998.4843724165,
                    -18.696453413914114
                  ],
                  [
                    613999.783984343,
                    2388998.4843724165,
                    -18.696453413914114
                  ],
                  [
                    614999.783984343,
                    2388998.4843724165,
                    44.203546586085885
                  ],
                  [
                    614999.783984343,
                    2387998.4843724165,
                    44.203546586085885
                  ],
                  [
                    613999.783984343,
                    2387998.4843724165,
                    -18.696453413914114
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T02:19:22+00:00",
            "end_time": "2013-09-22T01:02:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2177.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.83193609430435,
              21.491515539468462,
              -13.727767698039404
            ],
            [
              -157.83186398279693,
              21.500548768344917,
              -13.727767698039404
            ],
            [
              -157.8222114644653,
              21.500480989139433,
              -0.947767698039403
            ],
            [
              -157.82228416762553,
              21.49144779225818,
              -0.947767698039403
            ],
            [
              -157.83193609430435,
              21.491515539468462,
              -13.727767698039404
            ]
          ]
        ]
      },
      "bbox": [
        -157.8319361,
        21.49144779,
        -13.7277677,
        -157.8222115,
        21.50054877,
        -0.947767698
      ],
      "properties": {
        "datetime": "2013-09-24T20:40:41Z",
        "pc:count": 5712589,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621685.4177,
            "count": 5712589,
            "maximum": 621999.8106,
            "minimum": 620999.8106,
            "name": "X",
            "position": 0,
            "stddev": 205.7589749,
            "variance": 42336.75576
          },
          {
            "average": 2377464.895,
            "count": 5712589,
            "maximum": 2377998.489,
            "minimum": 2376998.489,
            "name": "Y",
            "position": 1,
            "stddev": 274.2839307,
            "variance": 75231.67465
          },
          {
            "average": -4.675887106,
            "count": 5712589,
            "maximum": -0.947767698,
            "minimum": -13.7277677,
            "name": "Z",
            "position": 2,
            "stddev": 1.795377424,
            "variance": 3.223380095
          },
          {
            "average": 7.428567327,
            "count": 5712589,
            "maximum": 6489,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.0721633,
            "variance": 444.0360663
          },
          {
            "average": 1.019599169,
            "count": 5712589,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.14051104,
            "variance": 0.01974335236
          },
          {
            "average": 1.023446812,
            "count": 5712589,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1535559041,
            "variance": 0.02357941569
          },
          {
            "average": 1,
            "count": 5712589,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5712589,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5712589,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.24454805,
            "count": 5712589,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.274553819,
            "variance": 10.72270272
          },
          {
            "average": 98.87865747,
            "count": 5712589,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 69.74431726,
            "variance": 4864.26979
          },
          {
            "average": 7.989133649,
            "count": 5712589,
            "maximum": 17,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.561297851,
            "variance": 6.560246682
          },
          {
            "average": 63885708.93,
            "count": 5712589,
            "maximum": 64090441.17,
            "minimum": 63594070.29,
            "name": "GpsTime",
            "position": 12,
            "stddev": 221553.9925,
            "variance": 49086171590.0
          },
          {
            "average": 0,
            "count": 5712589,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5712589,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5712589,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5712589,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5712589,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.8106,
          2376998.489,
          -13.7277677,
          621999.8106,
          2377998.489,
          -0.947767698
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.8105683227,
                2376998.489043561,
                -13.727767698039404
              ],
              [
                620999.8105683227,
                2377998.489043561,
                -13.727767698039404
              ],
              [
                621999.8105683227,
                2377998.489043561,
                -0.947767698039403
              ],
              [
                621999.8105683227,
                2376998.489043561,
                -0.947767698039403
              ],
              [
                620999.8105683227,
                2376998.489043561,
                -13.727767698039404
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:40:41+00:00",
        "end_time": "2013-09-19T02:47:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2177.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2177.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2177.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2177.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8319361,
            21.49144779,
            -13.7277677,
            -157.8222115,
            21.50054877,
            -0.947767698
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.83193609430435,
                  21.491515539468462,
                  -13.727767698039404
                ],
                [
                  -157.83186398279693,
                  21.500548768344917,
                  -13.727767698039404
                ],
                [
                  -157.8222114644653,
                  21.500480989139433,
                  -0.947767698039403
                ],
                [
                  -157.82228416762553,
                  21.49144779225818,
                  -0.947767698039403
                ],
                [
                  -157.83193609430435,
                  21.491515539468462,
                  -13.727767698039404
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2177.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2177.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:40:41Z",
            "pc:count": 5712589,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621685.4177,
                "count": 5712589,
                "maximum": 621999.8106,
                "minimum": 620999.8106,
                "name": "X",
                "position": 0,
                "stddev": 205.7589749,
                "variance": 42336.75576
              },
              {
                "average": 2377464.895,
                "count": 5712589,
                "maximum": 2377998.489,
                "minimum": 2376998.489,
                "name": "Y",
                "position": 1,
                "stddev": 274.2839307,
                "variance": 75231.67465
              },
              {
                "average": -4.675887106,
                "count": 5712589,
                "maximum": -0.947767698,
                "minimum": -13.7277677,
                "name": "Z",
                "position": 2,
                "stddev": 1.795377424,
                "variance": 3.223380095
              },
              {
                "average": 7.428567327,
                "count": 5712589,
                "maximum": 6489,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.0721633,
                "variance": 444.0360663
              },
              {
                "average": 1.019599169,
                "count": 5712589,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.14051104,
                "variance": 0.01974335236
              },
              {
                "average": 1.023446812,
                "count": 5712589,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1535559041,
                "variance": 0.02357941569
              },
              {
                "average": 1,
                "count": 5712589,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5712589,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5712589,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.24454805,
                "count": 5712589,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.274553819,
                "variance": 10.72270272
              },
              {
                "average": 98.87865747,
                "count": 5712589,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 69.74431726,
                "variance": 4864.26979
              },
              {
                "average": 7.989133649,
                "count": 5712589,
                "maximum": 17,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.561297851,
                "variance": 6.560246682
              },
              {
                "average": 63885708.93,
                "count": 5712589,
                "maximum": 64090441.17,
                "minimum": 63594070.29,
                "name": "GpsTime",
                "position": 12,
                "stddev": 221553.9925,
                "variance": 49086171590.0
              },
              {
                "average": 0,
                "count": 5712589,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5712589,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5712589,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5712589,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5712589,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.8106,
              2376998.489,
              -13.7277677,
              621999.8106,
              2377998.489,
              -0.947767698
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.8105683227,
                    2376998.489043561,
                    -13.727767698039404
                  ],
                  [
                    620999.8105683227,
                    2377998.489043561,
                    -13.727767698039404
                  ],
                  [
                    621999.8105683227,
                    2377998.489043561,
                    -0.947767698039403
                  ],
                  [
                    621999.8105683227,
                    2376998.489043561,
                    -0.947767698039403
                  ],
                  [
                    620999.8105683227,
                    2376998.489043561,
                    -13.727767698039404
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:40:41+00:00",
            "end_time": "2013-09-19T02:47:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2278.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82221141566123,
              21.500480942801335,
              -18.396127876214713
            ],
            [
              -157.8221386735391,
              21.509514129911036,
              -18.396127876214713
            ],
            [
              -157.81248561941595,
              21.509445756812823,
              -2.256127876214711
            ],
            [
              -157.8125589573945,
              21.500412601308422,
              -2.256127876214711
            ],
            [
              -157.82221141566123,
              21.500480942801335,
              -18.396127876214713
            ]
          ]
        ]
      },
      "bbox": [
        -157.8222114,
        21.5004126,
        -18.39612788,
        -157.8124856,
        21.50951413,
        -2.256127876
      ],
      "properties": {
        "datetime": "2013-09-24T20:41:08Z",
        "pc:count": 6071990,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622583.1241,
            "count": 6071990,
            "maximum": 622999.8157,
            "minimum": 621999.8157,
            "name": "X",
            "position": 0,
            "stddev": 261.5342302,
            "variance": 68400.15354
          },
          {
            "average": 2378464.381,
            "count": 6071990,
            "maximum": 2378998.484,
            "minimum": 2377998.484,
            "name": "Y",
            "position": 1,
            "stddev": 277.0842031,
            "variance": 76775.6556
          },
          {
            "average": -4.791608938,
            "count": 6071990,
            "maximum": -2.256127876,
            "minimum": -18.39612788,
            "name": "Z",
            "position": 2,
            "stddev": 1.06133044,
            "variance": 1.126422302
          },
          {
            "average": 5.322523258,
            "count": 6071990,
            "maximum": 7481,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.37830675,
            "variance": 236.4923184
          },
          {
            "average": 1.040545851,
            "count": 6071990,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2010284408,
            "variance": 0.04041243402
          },
          {
            "average": 1.049410984,
            "count": 6071990,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2215524591,
            "variance": 0.04908549215
          },
          {
            "average": 1,
            "count": 6071990,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6071990,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 6071990,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.65001926,
            "count": 6071990,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.193241539,
            "variance": 17.58327461
          },
          {
            "average": 104.4772597,
            "count": 6071990,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 71.40757725,
            "variance": 5099.042089
          },
          {
            "average": 9.219049768,
            "count": 6071990,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.307612204,
            "variance": 18.5555229
          },
          {
            "average": 63953390.5,
            "count": 6071990,
            "maximum": 64090468.59,
            "minimum": 63591988.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 217853.7222,
            "variance": 47460244290.0
          },
          {
            "average": 0,
            "count": 6071990,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6071990,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6071990,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6071990,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6071990,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.8157,
          2377998.484,
          -18.39612788,
          622999.8157,
          2378998.484,
          -2.256127876
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.8156628006,
                2377998.4839521875,
                -18.396127876214713
              ],
              [
                621999.8156628006,
                2378998.4839521875,
                -18.396127876214713
              ],
              [
                622999.8156628006,
                2378998.4839521875,
                -2.256127876214711
              ],
              [
                622999.8156628006,
                2377998.4839521875,
                -2.256127876214711
              ],
              [
                621999.8156628006,
                2377998.4839521875,
                -18.396127876214713
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:41:08+00:00",
        "end_time": "2013-09-19T02:13:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2278.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2278.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2278.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2278.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8222114,
            21.5004126,
            -18.39612788,
            -157.8124856,
            21.50951413,
            -2.256127876
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82221141566123,
                  21.500480942801335,
                  -18.396127876214713
                ],
                [
                  -157.8221386735391,
                  21.509514129911036,
                  -18.396127876214713
                ],
                [
                  -157.81248561941595,
                  21.509445756812823,
                  -2.256127876214711
                ],
                [
                  -157.8125589573945,
                  21.500412601308422,
                  -2.256127876214711
                ],
                [
                  -157.82221141566123,
                  21.500480942801335,
                  -18.396127876214713
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2278.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2278.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:41:08Z",
            "pc:count": 6071990,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622583.1241,
                "count": 6071990,
                "maximum": 622999.8157,
                "minimum": 621999.8157,
                "name": "X",
                "position": 0,
                "stddev": 261.5342302,
                "variance": 68400.15354
              },
              {
                "average": 2378464.381,
                "count": 6071990,
                "maximum": 2378998.484,
                "minimum": 2377998.484,
                "name": "Y",
                "position": 1,
                "stddev": 277.0842031,
                "variance": 76775.6556
              },
              {
                "average": -4.791608938,
                "count": 6071990,
                "maximum": -2.256127876,
                "minimum": -18.39612788,
                "name": "Z",
                "position": 2,
                "stddev": 1.06133044,
                "variance": 1.126422302
              },
              {
                "average": 5.322523258,
                "count": 6071990,
                "maximum": 7481,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.37830675,
                "variance": 236.4923184
              },
              {
                "average": 1.040545851,
                "count": 6071990,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2010284408,
                "variance": 0.04041243402
              },
              {
                "average": 1.049410984,
                "count": 6071990,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2215524591,
                "variance": 0.04908549215
              },
              {
                "average": 1,
                "count": 6071990,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6071990,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 6071990,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.65001926,
                "count": 6071990,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.193241539,
                "variance": 17.58327461
              },
              {
                "average": 104.4772597,
                "count": 6071990,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 71.40757725,
                "variance": 5099.042089
              },
              {
                "average": 9.219049768,
                "count": 6071990,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.307612204,
                "variance": 18.5555229
              },
              {
                "average": 63953390.5,
                "count": 6071990,
                "maximum": 64090468.59,
                "minimum": 63591988.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 217853.7222,
                "variance": 47460244290.0
              },
              {
                "average": 0,
                "count": 6071990,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6071990,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6071990,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6071990,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6071990,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.8157,
              2377998.484,
              -18.39612788,
              622999.8157,
              2378998.484,
              -2.256127876
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.8156628006,
                    2377998.4839521875,
                    -18.396127876214713
                  ],
                  [
                    621999.8156628006,
                    2378998.4839521875,
                    -18.396127876214713
                  ],
                  [
                    622999.8156628006,
                    2378998.4839521875,
                    -2.256127876214711
                  ],
                  [
                    622999.8156628006,
                    2377998.4839521875,
                    -2.256127876214711
                  ],
                  [
                    621999.8156628006,
                    2377998.4839521875,
                    -18.396127876214713
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:41:08+00:00",
            "end_time": "2013-09-19T02:13:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2074.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84180253062078,
              21.46448275812055,
              -5.609089406521331
            ],
            [
              -157.84173112812167,
              21.473516047507403,
              -5.609089406521331
            ],
            [
              -157.8320803751059,
              21.473448916041733,
              0.590910593478668
            ],
            [
              -157.83215237196748,
              21.464415657821792,
              0.590910593478668
            ],
            [
              -157.84180253062078,
              21.46448275812055,
              -5.609089406521331
            ]
          ]
        ]
      },
      "bbox": [
        -157.8418025,
        21.46441566,
        -5.609089407,
        -157.8320804,
        21.47351605,
        0.5909105935
      ],
      "properties": {
        "datetime": "2013-09-23T23:15:02Z",
        "pc:count": 3424075,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620344.1921,
            "count": 3424075,
            "maximum": 620999.7928,
            "minimum": 619999.7928,
            "name": "X",
            "position": 0,
            "stddev": 232.0025617,
            "variance": 53825.18863
          },
          {
            "average": 2374584.778,
            "count": 3424075,
            "maximum": 2374998.474,
            "minimum": 2373998.474,
            "name": "Y",
            "position": 1,
            "stddev": 259.1718039,
            "variance": 67170.02394
          },
          {
            "average": -0.3483585931,
            "count": 3424075,
            "maximum": 0.5909105935,
            "minimum": -5.609089407,
            "name": "Z",
            "position": 2,
            "stddev": 0.4730493955,
            "variance": 0.2237757306
          },
          {
            "average": 1.296996123,
            "count": 3424075,
            "maximum": 8209,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.02072227,
            "variance": 196.5806529
          },
          {
            "average": 1.003025051,
            "count": 3424075,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05520364015,
            "variance": 0.003047441885
          },
          {
            "average": 1.005046034,
            "count": 3424075,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07152060862,
            "variance": 0.005115197457
          },
          {
            "average": 1,
            "count": 3424075,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3424075,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3424075,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.34077139,
            "count": 3424075,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.617793196,
            "variance": 13.08842761
          },
          {
            "average": 90.56721187,
            "count": 3424075,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 74.28057648,
            "variance": 5517.604043
          },
          {
            "average": 8.297229471,
            "count": 3424075,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.080575393,
            "variance": 4.328793965
          },
          {
            "average": 63854303.32,
            "count": 3424075,
            "maximum": 64013302.5,
            "minimum": 63742329.69,
            "name": "GpsTime",
            "position": 12,
            "stddev": 131381.6632,
            "variance": 17261141420.0
          },
          {
            "average": 0,
            "count": 3424075,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3424075,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3424075,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3424075,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3424075,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.7928,
          2373998.474,
          -5.609089407,
          620999.7928,
          2374998.474,
          0.5909105935
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.7928002378,
                2373998.4738815087,
                -5.609089406521331
              ],
              [
                619999.7928002378,
                2374998.4738815087,
                -5.609089406521331
              ],
              [
                620999.7928002378,
                2374998.4738815087,
                0.590910593478668
              ],
              [
                620999.7928002378,
                2373998.4738815087,
                0.590910593478668
              ],
              [
                619999.7928002378,
                2373998.4738815087,
                -5.609089406521331
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:15:02+00:00",
        "end_time": "2013-09-20T19:58:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2074.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2074.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2074.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2074.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8418025,
            21.46441566,
            -5.609089407,
            -157.8320804,
            21.47351605,
            0.5909105935
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84180253062078,
                  21.46448275812055,
                  -5.609089406521331
                ],
                [
                  -157.84173112812167,
                  21.473516047507403,
                  -5.609089406521331
                ],
                [
                  -157.8320803751059,
                  21.473448916041733,
                  0.590910593478668
                ],
                [
                  -157.83215237196748,
                  21.464415657821792,
                  0.590910593478668
                ],
                [
                  -157.84180253062078,
                  21.46448275812055,
                  -5.609089406521331
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2074.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2074.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:15:02Z",
            "pc:count": 3424075,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620344.1921,
                "count": 3424075,
                "maximum": 620999.7928,
                "minimum": 619999.7928,
                "name": "X",
                "position": 0,
                "stddev": 232.0025617,
                "variance": 53825.18863
              },
              {
                "average": 2374584.778,
                "count": 3424075,
                "maximum": 2374998.474,
                "minimum": 2373998.474,
                "name": "Y",
                "position": 1,
                "stddev": 259.1718039,
                "variance": 67170.02394
              },
              {
                "average": -0.3483585931,
                "count": 3424075,
                "maximum": 0.5909105935,
                "minimum": -5.609089407,
                "name": "Z",
                "position": 2,
                "stddev": 0.4730493955,
                "variance": 0.2237757306
              },
              {
                "average": 1.296996123,
                "count": 3424075,
                "maximum": 8209,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.02072227,
                "variance": 196.5806529
              },
              {
                "average": 1.003025051,
                "count": 3424075,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05520364015,
                "variance": 0.003047441885
              },
              {
                "average": 1.005046034,
                "count": 3424075,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07152060862,
                "variance": 0.005115197457
              },
              {
                "average": 1,
                "count": 3424075,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3424075,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3424075,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.34077139,
                "count": 3424075,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.617793196,
                "variance": 13.08842761
              },
              {
                "average": 90.56721187,
                "count": 3424075,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 74.28057648,
                "variance": 5517.604043
              },
              {
                "average": 8.297229471,
                "count": 3424075,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.080575393,
                "variance": 4.328793965
              },
              {
                "average": 63854303.32,
                "count": 3424075,
                "maximum": 64013302.5,
                "minimum": 63742329.69,
                "name": "GpsTime",
                "position": 12,
                "stddev": 131381.6632,
                "variance": 17261141420.0
              },
              {
                "average": 0,
                "count": 3424075,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3424075,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3424075,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3424075,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3424075,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.7928,
              2373998.474,
              -5.609089407,
              620999.7928,
              2374998.474,
              0.5909105935
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.7928002378,
                    2373998.4738815087,
                    -5.609089406521331
                  ],
                  [
                    619999.7928002378,
                    2374998.4738815087,
                    -5.609089406521331
                  ],
                  [
                    620999.7928002378,
                    2374998.4738815087,
                    0.590910593478668
                  ],
                  [
                    620999.7928002378,
                    2373998.4738815087,
                    0.590910593478668
                  ],
                  [
                    619999.7928002378,
                    2373998.4738815087,
                    -5.609089406521331
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:15:02+00:00",
            "end_time": "2013-09-20T19:58:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1756.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8720003064861,
              21.302077917460085,
              -16.515450577289158
            ],
            [
              -157.87193133555692,
              21.311111479717457,
              -16.515450577289158
            ],
            [
              -157.86229112852192,
              21.311046565432108,
              118.40454942271086
            ],
            [
              -157.86236068873325,
              21.30201303318005,
              118.40454942271086
            ],
            [
              -157.8720003064861,
              21.302077917460085,
              -16.515450577289158
            ]
          ]
        ]
      },
      "bbox": [
        -157.8720003,
        21.30201303,
        -16.51545058,
        -157.8622911,
        21.31111148,
        118.4045494
      ],
      "properties": {
        "datetime": "2013-09-17T12:44:45Z",
        "pc:count": 6585022,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617604.7638,
            "count": 6585022,
            "maximum": 617999.7747,
            "minimum": 616999.7747,
            "name": "X",
            "position": 0,
            "stddev": 336.9721045,
            "variance": 113550.1992
          },
          {
            "average": 2356391.432,
            "count": 6585022,
            "maximum": 2356998.444,
            "minimum": 2355998.444,
            "name": "Y",
            "position": 1,
            "stddev": 266.9730121,
            "variance": 71274.58918
          },
          {
            "average": 7.595664423,
            "count": 6585022,
            "maximum": 118.4045494,
            "minimum": -16.51545058,
            "name": "Z",
            "position": 2,
            "stddev": 16.79106197,
            "variance": 281.939762
          },
          {
            "average": 27.09647136,
            "count": 6585022,
            "maximum": 1173,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 49.67057781,
            "variance": 2467.1663
          },
          {
            "average": 1.272920728,
            "count": 6585022,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6215617966,
            "variance": 0.386339067
          },
          {
            "average": 1.514966541,
            "count": 6585022,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9098972454,
            "variance": 0.8279129972
          },
          {
            "average": 1,
            "count": 6585022,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6585022,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.831535567,
            "count": 6585022,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.468616191,
            "variance": 89.65469257
          },
          {
            "average": 4.992829446,
            "count": 6585022,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.885385209,
            "variance": 78.95007032
          },
          {
            "average": 109.9925375,
            "count": 6585022,
            "maximum": 255,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 78.36563712,
            "variance": 6141.173081
          },
          {
            "average": 7.30232716,
            "count": 6585022,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.045888228,
            "variance": 25.46098801
          },
          {
            "average": 63356537.74,
            "count": 6585022,
            "maximum": 63457085.34,
            "minimum": 63277904.08,
            "name": "GpsTime",
            "position": 12,
            "stddev": 64461.07831,
            "variance": 4155230616
          },
          {
            "average": 0,
            "count": 6585022,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6585022,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6585022,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6585022,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6585022,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.7747,
          2355998.444,
          -16.51545058,
          617999.7747,
          2356998.444,
          118.4045494
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.7747190301,
                2355998.4435279816,
                -16.515450577289158
              ],
              [
                616999.7747190301,
                2356998.4435279816,
                -16.515450577289158
              ],
              [
                617999.7747190301,
                2356998.4435279816,
                118.40454942271086
              ],
              [
                617999.7747190301,
                2355998.4435279816,
                118.40454942271086
              ],
              [
                616999.7747190301,
                2355998.4435279816,
                -16.515450577289158
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:44:45+00:00",
        "end_time": "2013-09-15T10:58:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1756.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1756.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1756.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1756.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8720003,
            21.30201303,
            -16.51545058,
            -157.8622911,
            21.31111148,
            118.4045494
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8720003064861,
                  21.302077917460085,
                  -16.515450577289158
                ],
                [
                  -157.87193133555692,
                  21.311111479717457,
                  -16.515450577289158
                ],
                [
                  -157.86229112852192,
                  21.311046565432108,
                  118.40454942271086
                ],
                [
                  -157.86236068873325,
                  21.30201303318005,
                  118.40454942271086
                ],
                [
                  -157.8720003064861,
                  21.302077917460085,
                  -16.515450577289158
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1756.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1756.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:44:45Z",
            "pc:count": 6585022,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617604.7638,
                "count": 6585022,
                "maximum": 617999.7747,
                "minimum": 616999.7747,
                "name": "X",
                "position": 0,
                "stddev": 336.9721045,
                "variance": 113550.1992
              },
              {
                "average": 2356391.432,
                "count": 6585022,
                "maximum": 2356998.444,
                "minimum": 2355998.444,
                "name": "Y",
                "position": 1,
                "stddev": 266.9730121,
                "variance": 71274.58918
              },
              {
                "average": 7.595664423,
                "count": 6585022,
                "maximum": 118.4045494,
                "minimum": -16.51545058,
                "name": "Z",
                "position": 2,
                "stddev": 16.79106197,
                "variance": 281.939762
              },
              {
                "average": 27.09647136,
                "count": 6585022,
                "maximum": 1173,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 49.67057781,
                "variance": 2467.1663
              },
              {
                "average": 1.272920728,
                "count": 6585022,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6215617966,
                "variance": 0.386339067
              },
              {
                "average": 1.514966541,
                "count": 6585022,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9098972454,
                "variance": 0.8279129972
              },
              {
                "average": 1,
                "count": 6585022,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6585022,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.831535567,
                "count": 6585022,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.468616191,
                "variance": 89.65469257
              },
              {
                "average": 4.992829446,
                "count": 6585022,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.885385209,
                "variance": 78.95007032
              },
              {
                "average": 109.9925375,
                "count": 6585022,
                "maximum": 255,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 78.36563712,
                "variance": 6141.173081
              },
              {
                "average": 7.30232716,
                "count": 6585022,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.045888228,
                "variance": 25.46098801
              },
              {
                "average": 63356537.74,
                "count": 6585022,
                "maximum": 63457085.34,
                "minimum": 63277904.08,
                "name": "GpsTime",
                "position": 12,
                "stddev": 64461.07831,
                "variance": 4155230616
              },
              {
                "average": 0,
                "count": 6585022,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6585022,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6585022,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6585022,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6585022,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.7747,
              2355998.444,
              -16.51545058,
              617999.7747,
              2356998.444,
              118.4045494
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.7747190301,
                    2355998.4435279816,
                    -16.515450577289158
                  ],
                  [
                    616999.7747190301,
                    2356998.4435279816,
                    -16.515450577289158
                  ],
                  [
                    617999.7747190301,
                    2356998.4435279816,
                    118.40454942271086
                  ],
                  [
                    617999.7747190301,
                    2355998.4435279816,
                    118.40454942271086
                  ],
                  [
                    616999.7747190301,
                    2355998.4435279816,
                    -16.515450577289158
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:44:45+00:00",
            "end_time": "2013-09-15T10:58:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1489.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8986829410936,
              21.600374825040653,
              -11.081835484104245
            ],
            [
              -157.89861456908787,
              21.6094081475518,
              -11.081835484104245
            ],
            [
              -157.88895465163804,
              21.609343909916987,
              34.25816451589576
            ],
            [
              -157.88902362297986,
              21.600310617045448,
              34.25816451589576
            ],
            [
              -157.8986829410936,
              21.600374825040653,
              -11.081835484104245
            ]
          ]
        ]
      },
      "bbox": [
        -157.8986829,
        21.60031062,
        -11.08183548,
        -157.8889547,
        21.60940815,
        34.25816452
      ],
      "properties": {
        "datetime": "2013-09-22T01:55:55Z",
        "pc:count": 3779805,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 614499.9162,
            "count": 3779805,
            "maximum": 614999.7854,
            "minimum": 613999.7854,
            "name": "X",
            "position": 0,
            "stddev": 289.895223,
            "variance": 84039.2403
          },
          {
            "average": 2389496.155,
            "count": 3779805,
            "maximum": 2389998.485,
            "minimum": 2388998.485,
            "name": "Y",
            "position": 1,
            "stddev": 289.4496267,
            "variance": 83781.08639
          },
          {
            "average": -2.233012357,
            "count": 3779805,
            "maximum": 34.25816452,
            "minimum": -11.08183548,
            "name": "Z",
            "position": 2,
            "stddev": 2.930850468,
            "variance": 8.589884465
          },
          {
            "average": 7.35216367,
            "count": 3779805,
            "maximum": 8795,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.0145095,
            "variance": 625.7256856
          },
          {
            "average": 1.034796504,
            "count": 3779805,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2230803937,
            "variance": 0.04976486204
          },
          {
            "average": 1.06534808,
            "count": 3779805,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3333855565,
            "variance": 0.1111459293
          },
          {
            "average": 1,
            "count": 3779805,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3779805,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 27.52782987,
            "count": 3779805,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.225529412,
            "variance": 38.75721645
          },
          {
            "average": 20.0456642,
            "count": 3779805,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.694279867,
            "variance": 7.259144003
          },
          {
            "average": 90.91034776,
            "count": 3779805,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.15469468,
            "variance": 4921.681186
          },
          {
            "average": 6.463686883,
            "count": 3779805,
            "maximum": 10,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.59699262,
            "variance": 2.550385427
          },
          {
            "average": 63847756.62,
            "count": 3779805,
            "maximum": 63850155.99,
            "minimum": 63845827.31,
            "name": "GpsTime",
            "position": 12,
            "stddev": 980.0946685,
            "variance": 960585.5593
          },
          {
            "average": 0,
            "count": 3779805,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3779805,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3779805,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3779805,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3779805,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          613999.7854,
          2388998.485,
          -11.08183548,
          614999.7854,
          2389998.485,
          34.25816452
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                613999.7854411008,
                2388998.485007451,
                -11.081835484104245
              ],
              [
                613999.7854411008,
                2389998.485007451,
                -11.081835484104245
              ],
              [
                614999.7854411008,
                2389998.485007451,
                34.25816451589576
              ],
              [
                614999.7854411008,
                2388998.485007451,
                34.25816451589576
              ],
              [
                613999.7854411008,
                2388998.485007451,
                -11.081835484104245
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:55:55+00:00",
        "end_time": "2013-09-22T00:43:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1489.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1489.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1489.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1489.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8986829,
            21.60031062,
            -11.08183548,
            -157.8889547,
            21.60940815,
            34.25816452
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8986829410936,
                  21.600374825040653,
                  -11.081835484104245
                ],
                [
                  -157.89861456908787,
                  21.6094081475518,
                  -11.081835484104245
                ],
                [
                  -157.88895465163804,
                  21.609343909916987,
                  34.25816451589576
                ],
                [
                  -157.88902362297986,
                  21.600310617045448,
                  34.25816451589576
                ],
                [
                  -157.8986829410936,
                  21.600374825040653,
                  -11.081835484104245
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1489.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1489.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:55:55Z",
            "pc:count": 3779805,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 614499.9162,
                "count": 3779805,
                "maximum": 614999.7854,
                "minimum": 613999.7854,
                "name": "X",
                "position": 0,
                "stddev": 289.895223,
                "variance": 84039.2403
              },
              {
                "average": 2389496.155,
                "count": 3779805,
                "maximum": 2389998.485,
                "minimum": 2388998.485,
                "name": "Y",
                "position": 1,
                "stddev": 289.4496267,
                "variance": 83781.08639
              },
              {
                "average": -2.233012357,
                "count": 3779805,
                "maximum": 34.25816452,
                "minimum": -11.08183548,
                "name": "Z",
                "position": 2,
                "stddev": 2.930850468,
                "variance": 8.589884465
              },
              {
                "average": 7.35216367,
                "count": 3779805,
                "maximum": 8795,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.0145095,
                "variance": 625.7256856
              },
              {
                "average": 1.034796504,
                "count": 3779805,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2230803937,
                "variance": 0.04976486204
              },
              {
                "average": 1.06534808,
                "count": 3779805,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3333855565,
                "variance": 0.1111459293
              },
              {
                "average": 1,
                "count": 3779805,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3779805,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 27.52782987,
                "count": 3779805,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.225529412,
                "variance": 38.75721645
              },
              {
                "average": 20.0456642,
                "count": 3779805,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.694279867,
                "variance": 7.259144003
              },
              {
                "average": 90.91034776,
                "count": 3779805,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.15469468,
                "variance": 4921.681186
              },
              {
                "average": 6.463686883,
                "count": 3779805,
                "maximum": 10,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.59699262,
                "variance": 2.550385427
              },
              {
                "average": 63847756.62,
                "count": 3779805,
                "maximum": 63850155.99,
                "minimum": 63845827.31,
                "name": "GpsTime",
                "position": 12,
                "stddev": 980.0946685,
                "variance": 960585.5593
              },
              {
                "average": 0,
                "count": 3779805,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3779805,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3779805,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3779805,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3779805,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              613999.7854,
              2388998.485,
              -11.08183548,
              614999.7854,
              2389998.485,
              34.25816452
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    613999.7854411008,
                    2388998.485007451,
                    -11.081835484104245
                  ],
                  [
                    613999.7854411008,
                    2389998.485007451,
                    -11.081835484104245
                  ],
                  [
                    614999.7854411008,
                    2389998.485007451,
                    34.25816451589576
                  ],
                  [
                    614999.7854411008,
                    2388998.485007451,
                    34.25816451589576
                  ],
                  [
                    613999.7854411008,
                    2388998.485007451,
                    -11.081835484104245
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:55:55+00:00",
            "end_time": "2013-09-22T00:43:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1655.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88170845898802,
              21.293108649036693,
              -15.87874841898649
            ],
            [
              -157.88164011366243,
              21.302142251754606,
              -15.87874841898649
            ],
            [
              -157.87200026217846,
              21.30207793120748,
              32.06125158101351
            ],
            [
              -157.87206919741212,
              21.293044357215123,
              32.06125158101351
            ],
            [
              -157.88170845898802,
              21.293108649036693,
              -15.87874841898649
            ]
          ]
        ]
      },
      "bbox": [
        -157.8817085,
        21.29304436,
        -15.87874842,
        -157.8720003,
        21.30214225,
        32.06125158
      ],
      "properties": {
        "datetime": "2013-09-17T12:44:47Z",
        "pc:count": 8332658,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616503.7764,
            "count": 8332658,
            "maximum": 616999.7793,
            "minimum": 615999.7593,
            "name": "X",
            "position": 0,
            "stddev": 295.0440799,
            "variance": 87051.0091
          },
          {
            "average": 2355670.945,
            "count": 8332658,
            "maximum": 2355998.445,
            "minimum": 2354998.445,
            "name": "Y",
            "position": 1,
            "stddev": 252.8241007,
            "variance": 63920.02589
          },
          {
            "average": -0.2221376496,
            "count": 8332658,
            "maximum": 32.06125158,
            "minimum": -15.87874842,
            "name": "Z",
            "position": 2,
            "stddev": 4.714339589,
            "variance": 22.22499776
          },
          {
            "average": 13.67824637,
            "count": 8332658,
            "maximum": 4460,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 26.53524664,
            "variance": 704.1193143
          },
          {
            "average": 1.147393185,
            "count": 8332658,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5132527151,
            "variance": 0.2634283495
          },
          {
            "average": 1.270805546,
            "count": 8332658,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7990173178,
            "variance": 0.6384286742
          },
          {
            "average": 1,
            "count": 8332658,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8332658,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.39793173,
            "count": 8332658,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.51456637,
            "variance": 182.6435042
          },
          {
            "average": 12.27267283,
            "count": 8332658,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.0693645,
            "variance": 101.3921014
          },
          {
            "average": 93.25433997,
            "count": 8332658,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.09493134,
            "variance": 5054.489262
          },
          {
            "average": 6.912521191,
            "count": 8332658,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.674262205,
            "variance": 13.50020275
          },
          {
            "average": 63331592.02,
            "count": 8332658,
            "maximum": 63457087.35,
            "minimum": 63275451.28,
            "name": "GpsTime",
            "position": 12,
            "stddev": 78614.25218,
            "variance": 6180200646
          },
          {
            "average": 0,
            "count": 8332658,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8332658,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8332658,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8332658,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8332658,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7593,
          2354998.445,
          -15.87874842,
          616999.7793,
          2355998.445,
          32.06125158
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.7593043089,
                2354998.445082587,
                -15.87874841898649
              ],
              [
                615999.7593043089,
                2355998.445082587,
                -15.87874841898649
              ],
              [
                616999.7793043089,
                2355998.445082587,
                32.06125158101351
              ],
              [
                616999.7793043089,
                2354998.445082587,
                32.06125158101351
              ],
              [
                615999.7593043089,
                2354998.445082587,
                -15.87874841898649
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:44:47+00:00",
        "end_time": "2013-09-15T10:17:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1655.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1655.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1655.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1655.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8817085,
            21.29304436,
            -15.87874842,
            -157.8720003,
            21.30214225,
            32.06125158
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88170845898802,
                  21.293108649036693,
                  -15.87874841898649
                ],
                [
                  -157.88164011366243,
                  21.302142251754606,
                  -15.87874841898649
                ],
                [
                  -157.87200026217846,
                  21.30207793120748,
                  32.06125158101351
                ],
                [
                  -157.87206919741212,
                  21.293044357215123,
                  32.06125158101351
                ],
                [
                  -157.88170845898802,
                  21.293108649036693,
                  -15.87874841898649
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1655.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1655.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:44:47Z",
            "pc:count": 8332658,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616503.7764,
                "count": 8332658,
                "maximum": 616999.7793,
                "minimum": 615999.7593,
                "name": "X",
                "position": 0,
                "stddev": 295.0440799,
                "variance": 87051.0091
              },
              {
                "average": 2355670.945,
                "count": 8332658,
                "maximum": 2355998.445,
                "minimum": 2354998.445,
                "name": "Y",
                "position": 1,
                "stddev": 252.8241007,
                "variance": 63920.02589
              },
              {
                "average": -0.2221376496,
                "count": 8332658,
                "maximum": 32.06125158,
                "minimum": -15.87874842,
                "name": "Z",
                "position": 2,
                "stddev": 4.714339589,
                "variance": 22.22499776
              },
              {
                "average": 13.67824637,
                "count": 8332658,
                "maximum": 4460,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 26.53524664,
                "variance": 704.1193143
              },
              {
                "average": 1.147393185,
                "count": 8332658,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5132527151,
                "variance": 0.2634283495
              },
              {
                "average": 1.270805546,
                "count": 8332658,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7990173178,
                "variance": 0.6384286742
              },
              {
                "average": 1,
                "count": 8332658,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8332658,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.39793173,
                "count": 8332658,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.51456637,
                "variance": 182.6435042
              },
              {
                "average": 12.27267283,
                "count": 8332658,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.0693645,
                "variance": 101.3921014
              },
              {
                "average": 93.25433997,
                "count": 8332658,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.09493134,
                "variance": 5054.489262
              },
              {
                "average": 6.912521191,
                "count": 8332658,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.674262205,
                "variance": 13.50020275
              },
              {
                "average": 63331592.02,
                "count": 8332658,
                "maximum": 63457087.35,
                "minimum": 63275451.28,
                "name": "GpsTime",
                "position": 12,
                "stddev": 78614.25218,
                "variance": 6180200646
              },
              {
                "average": 0,
                "count": 8332658,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8332658,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8332658,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8332658,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8332658,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7593,
              2354998.445,
              -15.87874842,
              616999.7793,
              2355998.445,
              32.06125158
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.7593043089,
                    2354998.445082587,
                    -15.87874841898649
                  ],
                  [
                    615999.7593043089,
                    2355998.445082587,
                    -15.87874841898649
                  ],
                  [
                    616999.7793043089,
                    2355998.445082587,
                    32.06125158101351
                  ],
                  [
                    616999.7793043089,
                    2354998.445082587,
                    32.06125158101351
                  ],
                  [
                    615999.7593043089,
                    2354998.445082587,
                    -15.87874841898649
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:44:47+00:00",
            "end_time": "2013-09-15T10:17:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2449.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8050342678109,
              21.23837957346119,
              -43.99418414693769
            ],
            [
              -157.80496144888468,
              21.24741172693763,
              -43.99418414693769
            ],
            [
              -157.79532543836663,
              21.247343162918426,
              -11.694184146937694
            ],
            [
              -157.79539884402044,
              21.238311041423366,
              -11.694184146937694
            ],
            [
              -157.8050342678109,
              21.23837957346119,
              -43.99418414693769
            ]
          ]
        ]
      },
      "bbox": [
        -157.8050343,
        21.23831104,
        -43.99418415,
        -157.7953254,
        21.24741173,
        -11.69418415
      ],
      "properties": {
        "datetime": "2013-09-17T12:51:44Z",
        "pc:count": 1432740,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624544.5803,
            "count": 1432740,
            "maximum": 624999.8094,
            "minimum": 623999.7894,
            "name": "X",
            "position": 0,
            "stddev": 293.4296579,
            "variance": 86100.96412
          },
          {
            "average": 2349712.615,
            "count": 1432740,
            "maximum": 2349998.437,
            "minimum": 2348998.577,
            "name": "Y",
            "position": 1,
            "stddev": 221.2038079,
            "variance": 48931.12463
          },
          {
            "average": -18.66915162,
            "count": 1432740,
            "maximum": -11.69418415,
            "minimum": -43.99418415,
            "name": "Z",
            "position": 2,
            "stddev": 4.070478236,
            "variance": 16.56879307
          },
          {
            "average": 156.3352869,
            "count": 1432740,
            "maximum": 2153,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 144.5746753,
            "variance": 20901.83672
          },
          {
            "average": 1.005263342,
            "count": 1432740,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07238667172,
            "variance": 0.005239830242
          },
          {
            "average": 1.005391767,
            "count": 1432740,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07326856849,
            "variance": 0.005368283129
          },
          {
            "average": 1,
            "count": 1432740,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1432740,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1432740,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.368164622,
            "count": 1432740,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.723512628,
            "variance": 94.54669783
          },
          {
            "average": 204.4987765,
            "count": 1432740,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.09263718,
            "variance": 5943.274707
          },
          {
            "average": 9.483934978,
            "count": 1432740,
            "maximum": 19,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.440562088,
            "variance": 41.48084001
          },
          {
            "average": 63355978.28,
            "count": 1432740,
            "maximum": 63457504.12,
            "minimum": 63281075.14,
            "name": "GpsTime",
            "position": 12,
            "stddev": 74535.87995,
            "variance": 5555597400
          },
          {
            "average": 0,
            "count": 1432740,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1432740,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1432740,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1432740,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1432740,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.7894,
          2348998.577,
          -43.99418415,
          624999.8094,
          2349998.437,
          -11.69418415
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.7893840419,
                2348998.5767615973,
                -43.99418414693769
              ],
              [
                623999.7893840419,
                2349998.4367615976,
                -43.99418414693769
              ],
              [
                624999.8093840419,
                2349998.4367615976,
                -11.694184146937694
              ],
              [
                624999.8093840419,
                2348998.5767615973,
                -11.694184146937694
              ],
              [
                623999.7893840419,
                2348998.5767615973,
                -43.99418414693769
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:51:44+00:00",
        "end_time": "2013-09-15T11:51:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2449.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2449.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2449.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2449.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8050343,
            21.23831104,
            -43.99418415,
            -157.7953254,
            21.24741173,
            -11.69418415
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8050342678109,
                  21.23837957346119,
                  -43.99418414693769
                ],
                [
                  -157.80496144888468,
                  21.24741172693763,
                  -43.99418414693769
                ],
                [
                  -157.79532543836663,
                  21.247343162918426,
                  -11.694184146937694
                ],
                [
                  -157.79539884402044,
                  21.238311041423366,
                  -11.694184146937694
                ],
                [
                  -157.8050342678109,
                  21.23837957346119,
                  -43.99418414693769
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2449.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2449.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:51:44Z",
            "pc:count": 1432740,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624544.5803,
                "count": 1432740,
                "maximum": 624999.8094,
                "minimum": 623999.7894,
                "name": "X",
                "position": 0,
                "stddev": 293.4296579,
                "variance": 86100.96412
              },
              {
                "average": 2349712.615,
                "count": 1432740,
                "maximum": 2349998.437,
                "minimum": 2348998.577,
                "name": "Y",
                "position": 1,
                "stddev": 221.2038079,
                "variance": 48931.12463
              },
              {
                "average": -18.66915162,
                "count": 1432740,
                "maximum": -11.69418415,
                "minimum": -43.99418415,
                "name": "Z",
                "position": 2,
                "stddev": 4.070478236,
                "variance": 16.56879307
              },
              {
                "average": 156.3352869,
                "count": 1432740,
                "maximum": 2153,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 144.5746753,
                "variance": 20901.83672
              },
              {
                "average": 1.005263342,
                "count": 1432740,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07238667172,
                "variance": 0.005239830242
              },
              {
                "average": 1.005391767,
                "count": 1432740,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07326856849,
                "variance": 0.005368283129
              },
              {
                "average": 1,
                "count": 1432740,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1432740,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1432740,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.368164622,
                "count": 1432740,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.723512628,
                "variance": 94.54669783
              },
              {
                "average": 204.4987765,
                "count": 1432740,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.09263718,
                "variance": 5943.274707
              },
              {
                "average": 9.483934978,
                "count": 1432740,
                "maximum": 19,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.440562088,
                "variance": 41.48084001
              },
              {
                "average": 63355978.28,
                "count": 1432740,
                "maximum": 63457504.12,
                "minimum": 63281075.14,
                "name": "GpsTime",
                "position": 12,
                "stddev": 74535.87995,
                "variance": 5555597400
              },
              {
                "average": 0,
                "count": 1432740,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1432740,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1432740,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1432740,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1432740,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.7894,
              2348998.577,
              -43.99418415,
              624999.8094,
              2349998.437,
              -11.69418415
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.7893840419,
                    2348998.5767615973,
                    -43.99418414693769
                  ],
                  [
                    623999.7893840419,
                    2349998.4367615976,
                    -43.99418414693769
                  ],
                  [
                    624999.8093840419,
                    2349998.4367615976,
                    -11.694184146937694
                  ],
                  [
                    624999.8093840419,
                    2348998.5767615973,
                    -11.694184146937694
                  ],
                  [
                    623999.7893840419,
                    2348998.5767615973,
                    -43.99418414693769
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:51:44+00:00",
            "end_time": "2013-09-15T11:51:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj1975.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8513818894668,
              21.47358252758356,
              -0.442175463416092
            ],
            [
              -157.85131104065525,
              21.48261601989262,
              -0.442175463416092
            ],
            [
              -157.84165965783436,
              21.482549414093768,
              163.57782453658393
            ],
            [
              -157.84173110064984,
              21.47351595298085,
              163.57782453658393
            ],
            [
              -157.8513818894668,
              21.47358252758356,
              -0.442175463416092
            ]
          ]
        ]
      },
      "bbox": [
        -157.8513819,
        21.47351595,
        -0.4421754634,
        -157.8416597,
        21.48261602,
        163.5778245
      ],
      "properties": {
        "datetime": "2013-09-24T20:06:29Z",
        "pc:count": 13836516,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619586.7858,
            "count": 13836516,
            "maximum": 619999.7957,
            "minimum": 618999.7957,
            "name": "X",
            "position": 0,
            "stddev": 264.5797387,
            "variance": 70002.43811
          },
          {
            "average": 2375534.316,
            "count": 13836516,
            "maximum": 2375998.483,
            "minimum": 2374998.463,
            "name": "Y",
            "position": 1,
            "stddev": 283.967647,
            "variance": 80637.62455
          },
          {
            "average": 34.59505517,
            "count": 13836516,
            "maximum": 163.5778245,
            "minimum": -0.4421754634,
            "name": "Z",
            "position": 2,
            "stddev": 32.94754016,
            "variance": 1085.540403
          },
          {
            "average": 8.432950824,
            "count": 13836516,
            "maximum": 812,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.43525711,
            "variance": 270.1176764
          },
          {
            "average": 1.81814172,
            "count": 13836516,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.041268482,
            "variance": 1.084240052
          },
          {
            "average": 2.637138135,
            "count": 13836516,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.408824287,
            "variance": 1.98478587
          },
          {
            "average": 1,
            "count": 13836516,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13836516,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.598081482,
            "count": 13836516,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.824999091,
            "variance": 14.63061804
          },
          {
            "average": 21.31476831,
            "count": 13836516,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.611728447,
            "variance": 31.49149616
          },
          {
            "average": 91.36594161,
            "count": 13836516,
            "maximum": 200,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.98869476,
            "variance": 4622.462615
          },
          {
            "average": 7.752904488,
            "count": 13836516,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.155267819,
            "variance": 4.64517937
          },
          {
            "average": 63929185.56,
            "count": 13836516,
            "maximum": 64088389,
            "minimum": 63742308.57,
            "name": "GpsTime",
            "position": 12,
            "stddev": 143468.4264,
            "variance": 20583189370.0
          },
          {
            "average": 0,
            "count": 13836516,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13836516,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13836516,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13836516,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13836516,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.7957,
          2374998.463,
          -0.4421754634,
          619999.7957,
          2375998.483,
          163.5778245
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.795724114,
                2374998.463438898,
                -0.442175463416092
              ],
              [
                618999.795724114,
                2375998.4834388974,
                -0.442175463416092
              ],
              [
                619999.795724114,
                2375998.4834388974,
                163.57782453658393
              ],
              [
                619999.795724114,
                2374998.463438898,
                163.57782453658393
              ],
              [
                618999.795724114,
                2374998.463438898,
                -0.442175463416092
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:06:29+00:00",
        "end_time": "2013-09-20T19:58:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj1975.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj1975.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj1975.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1975.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8513819,
            21.47351595,
            -0.4421754634,
            -157.8416597,
            21.48261602,
            163.5778245
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8513818894668,
                  21.47358252758356,
                  -0.442175463416092
                ],
                [
                  -157.85131104065525,
                  21.48261601989262,
                  -0.442175463416092
                ],
                [
                  -157.84165965783436,
                  21.482549414093768,
                  163.57782453658393
                ],
                [
                  -157.84173110064984,
                  21.47351595298085,
                  163.57782453658393
                ],
                [
                  -157.8513818894668,
                  21.47358252758356,
                  -0.442175463416092
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj1975.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1975.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:06:29Z",
            "pc:count": 13836516,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619586.7858,
                "count": 13836516,
                "maximum": 619999.7957,
                "minimum": 618999.7957,
                "name": "X",
                "position": 0,
                "stddev": 264.5797387,
                "variance": 70002.43811
              },
              {
                "average": 2375534.316,
                "count": 13836516,
                "maximum": 2375998.483,
                "minimum": 2374998.463,
                "name": "Y",
                "position": 1,
                "stddev": 283.967647,
                "variance": 80637.62455
              },
              {
                "average": 34.59505517,
                "count": 13836516,
                "maximum": 163.5778245,
                "minimum": -0.4421754634,
                "name": "Z",
                "position": 2,
                "stddev": 32.94754016,
                "variance": 1085.540403
              },
              {
                "average": 8.432950824,
                "count": 13836516,
                "maximum": 812,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.43525711,
                "variance": 270.1176764
              },
              {
                "average": 1.81814172,
                "count": 13836516,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.041268482,
                "variance": 1.084240052
              },
              {
                "average": 2.637138135,
                "count": 13836516,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.408824287,
                "variance": 1.98478587
              },
              {
                "average": 1,
                "count": 13836516,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13836516,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.598081482,
                "count": 13836516,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.824999091,
                "variance": 14.63061804
              },
              {
                "average": 21.31476831,
                "count": 13836516,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.611728447,
                "variance": 31.49149616
              },
              {
                "average": 91.36594161,
                "count": 13836516,
                "maximum": 200,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.98869476,
                "variance": 4622.462615
              },
              {
                "average": 7.752904488,
                "count": 13836516,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.155267819,
                "variance": 4.64517937
              },
              {
                "average": 63929185.56,
                "count": 13836516,
                "maximum": 64088389,
                "minimum": 63742308.57,
                "name": "GpsTime",
                "position": 12,
                "stddev": 143468.4264,
                "variance": 20583189370.0
              },
              {
                "average": 0,
                "count": 13836516,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13836516,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13836516,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13836516,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13836516,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.7957,
              2374998.463,
              -0.4421754634,
              619999.7957,
              2375998.483,
              163.5778245
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.795724114,
                    2374998.463438898,
                    -0.442175463416092
                  ],
                  [
                    618999.795724114,
                    2375998.4834388974,
                    -0.442175463416092
                  ],
                  [
                    619999.795724114,
                    2375998.4834388974,
                    163.57782453658393
                  ],
                  [
                    619999.795724114,
                    2374998.463438898,
                    163.57782453658393
                  ],
                  [
                    618999.795724114,
                    2374998.463438898,
                    -0.442175463416092
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:06:29+00:00",
            "end_time": "2013-09-20T19:58:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2075.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8417310713117,
              21.47351604687559,
              -7.315525683834468
            ],
            [
              -157.84165962992324,
              21.48254932732282,
              -7.315525683834468
            ],
            [
              -157.83200828334714,
              21.482482164380567,
              17.56447431616553
            ],
            [
              -157.83208031829616,
              21.47344891540665,
              17.56447431616553
            ],
            [
              -157.8417310713117,
              21.47351604687559,
              -7.315525683834468
            ]
          ]
        ]
      },
      "bbox": [
        -157.8417311,
        21.47344892,
        -7.315525684,
        -157.8320083,
        21.48254933,
        17.56447432
      ],
      "properties": {
        "datetime": "2013-09-24T20:30:07Z",
        "pc:count": 4661310,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620387.1789,
            "count": 4661310,
            "maximum": 620999.7987,
            "minimum": 619999.7987,
            "name": "X",
            "position": 0,
            "stddev": 241.7484677,
            "variance": 58442.32165
          },
          {
            "average": 2375565.752,
            "count": 4661310,
            "maximum": 2375998.474,
            "minimum": 2374998.474,
            "name": "Y",
            "position": 1,
            "stddev": 279.0119504,
            "variance": 77847.66846
          },
          {
            "average": -0.2996283138,
            "count": 4661310,
            "maximum": 17.56447432,
            "minimum": -7.315525684,
            "name": "Z",
            "position": 2,
            "stddev": 0.9865507011,
            "variance": 0.9732822858
          },
          {
            "average": 1.276003098,
            "count": 4661310,
            "maximum": 8168,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 12.52841257,
            "variance": 156.9611215
          },
          {
            "average": 1.012993129,
            "count": 4661310,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1358899289,
            "variance": 0.01846607276
          },
          {
            "average": 1.025553546,
            "count": 4661310,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2092126798,
            "variance": 0.04376994541
          },
          {
            "average": 1,
            "count": 4661310,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4661310,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.77104097,
            "count": 4661310,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.520500612,
            "variance": 6.352923333
          },
          {
            "average": 20.28479623,
            "count": 4661310,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.639634491,
            "variance": 13.24693923
          },
          {
            "average": 88.65162905,
            "count": 4661310,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 72.34004829,
            "variance": 5233.082587
          },
          {
            "average": 6.310643789,
            "count": 4661310,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.34817073,
            "variance": 5.513905776
          },
          {
            "average": 63933550.15,
            "count": 4661310,
            "maximum": 64089807.25,
            "minimum": 63739893.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 158069.8648,
            "variance": 24986082150.0
          },
          {
            "average": 0,
            "count": 4661310,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4661310,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4661310,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4661310,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4661310,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.7987,
          2374998.474,
          -7.315525684,
          620999.7987,
          2375998.474,
          17.56447432
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.7986870069,
                2374998.473855133,
                -7.315525683834468
              ],
              [
                619999.7986870069,
                2375998.473855133,
                -7.315525683834468
              ],
              [
                620999.7986870069,
                2375998.473855133,
                17.56447431616553
              ],
              [
                620999.7986870069,
                2374998.473855133,
                17.56447431616553
              ],
              [
                619999.7986870069,
                2374998.473855133,
                -7.315525683834468
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:30:07+00:00",
        "end_time": "2013-09-20T19:18:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2075.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2075.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2075.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2075.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8417311,
            21.47344892,
            -7.315525684,
            -157.8320083,
            21.48254933,
            17.56447432
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8417310713117,
                  21.47351604687559,
                  -7.315525683834468
                ],
                [
                  -157.84165962992324,
                  21.48254932732282,
                  -7.315525683834468
                ],
                [
                  -157.83200828334714,
                  21.482482164380567,
                  17.56447431616553
                ],
                [
                  -157.83208031829616,
                  21.47344891540665,
                  17.56447431616553
                ],
                [
                  -157.8417310713117,
                  21.47351604687559,
                  -7.315525683834468
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2075.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2075.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:30:07Z",
            "pc:count": 4661310,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620387.1789,
                "count": 4661310,
                "maximum": 620999.7987,
                "minimum": 619999.7987,
                "name": "X",
                "position": 0,
                "stddev": 241.7484677,
                "variance": 58442.32165
              },
              {
                "average": 2375565.752,
                "count": 4661310,
                "maximum": 2375998.474,
                "minimum": 2374998.474,
                "name": "Y",
                "position": 1,
                "stddev": 279.0119504,
                "variance": 77847.66846
              },
              {
                "average": -0.2996283138,
                "count": 4661310,
                "maximum": 17.56447432,
                "minimum": -7.315525684,
                "name": "Z",
                "position": 2,
                "stddev": 0.9865507011,
                "variance": 0.9732822858
              },
              {
                "average": 1.276003098,
                "count": 4661310,
                "maximum": 8168,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 12.52841257,
                "variance": 156.9611215
              },
              {
                "average": 1.012993129,
                "count": 4661310,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1358899289,
                "variance": 0.01846607276
              },
              {
                "average": 1.025553546,
                "count": 4661310,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2092126798,
                "variance": 0.04376994541
              },
              {
                "average": 1,
                "count": 4661310,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4661310,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.77104097,
                "count": 4661310,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.520500612,
                "variance": 6.352923333
              },
              {
                "average": 20.28479623,
                "count": 4661310,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.639634491,
                "variance": 13.24693923
              },
              {
                "average": 88.65162905,
                "count": 4661310,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 72.34004829,
                "variance": 5233.082587
              },
              {
                "average": 6.310643789,
                "count": 4661310,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.34817073,
                "variance": 5.513905776
              },
              {
                "average": 63933550.15,
                "count": 4661310,
                "maximum": 64089807.25,
                "minimum": 63739893.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 158069.8648,
                "variance": 24986082150.0
              },
              {
                "average": 0,
                "count": 4661310,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4661310,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4661310,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4661310,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4661310,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.7987,
              2374998.474,
              -7.315525684,
              620999.7987,
              2375998.474,
              17.56447432
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.7986870069,
                    2374998.473855133,
                    -7.315525683834468
                  ],
                  [
                    619999.7986870069,
                    2375998.473855133,
                    -7.315525683834468
                  ],
                  [
                    620999.7986870069,
                    2375998.473855133,
                    17.56447431616553
                  ],
                  [
                    620999.7986870069,
                    2374998.473855133,
                    17.56447431616553
                  ],
                  [
                    619999.7986870069,
                    2374998.473855133,
                    -7.315525683834468
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:30:07+00:00",
            "end_time": "2013-09-20T19:18:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2178.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.83186409811114,
              21.500548774379258,
              -10.705302777367692
            ],
            [
              -157.8317919483715,
              21.509581993440456,
              -10.705302777367692
            ],
            [
              -157.82213864460502,
              21.509514180928726,
              63.974697222632315
            ],
            [
              -157.82221138672915,
              21.50048099381918,
              63.974697222632315
            ],
            [
              -157.83186409811114,
              21.500548774379258,
              -10.705302777367692
            ]
          ]
        ]
      },
      "bbox": [
        -157.8318641,
        21.50048099,
        -10.70530278,
        -157.8221386,
        21.50958199,
        63.97469722
      ],
      "properties": {
        "datetime": "2013-09-24T20:36:16Z",
        "pc:count": 7565196,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621478.9382,
            "count": 7565196,
            "maximum": 621999.8186,
            "minimum": 620999.7986,
            "name": "X",
            "position": 0,
            "stddev": 274.506792,
            "variance": 75353.97883
          },
          {
            "average": 2378589.058,
            "count": 7565196,
            "maximum": 2378998.49,
            "minimum": 2377998.49,
            "name": "Y",
            "position": 1,
            "stddev": 256.0131285,
            "variance": 65542.72197
          },
          {
            "average": -2.731185675,
            "count": 7565196,
            "maximum": 63.97469722,
            "minimum": -10.70530278,
            "name": "Z",
            "position": 2,
            "stddev": 4.650682866,
            "variance": 21.62885112
          },
          {
            "average": 9.017980631,
            "count": 7565196,
            "maximum": 7543,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.13390643,
            "variance": 489.909814
          },
          {
            "average": 1.033914653,
            "count": 7565196,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2136030212,
            "variance": 0.04562625067
          },
          {
            "average": 1.047219927,
            "count": 7565196,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2887261409,
            "variance": 0.08336278444
          },
          {
            "average": 1,
            "count": 7565196,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7565196,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.21043936,
            "count": 7565196,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.627842948,
            "variance": 21.41693035
          },
          {
            "average": 20.3595536,
            "count": 7565196,
            "maximum": 40.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.019550494,
            "variance": 16.15678617
          },
          {
            "average": 93.98813501,
            "count": 7565196,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.72943687,
            "variance": 4862.194367
          },
          {
            "average": 4.993390654,
            "count": 7565196,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.311897338,
            "variance": 5.344869303
          },
          {
            "average": 63896504.72,
            "count": 7565196,
            "maximum": 64090176.73,
            "minimum": 63592000.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 237474.6701,
            "variance": 56394218940.0
          },
          {
            "average": 0,
            "count": 7565196,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7565196,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7565196,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7565196,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7565196,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.7986,
          2377998.49,
          -10.70530278,
          621999.8186,
          2378998.49,
          63.97469722
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.7986174542,
                2377998.4896222698,
                -10.705302777367692
              ],
              [
                620999.7986174542,
                2378998.4896222698,
                -10.705302777367692
              ],
              [
                621999.8186174543,
                2378998.4896222698,
                63.974697222632315
              ],
              [
                621999.8186174543,
                2377998.4896222698,
                63.974697222632315
              ],
              [
                620999.7986174542,
                2377998.4896222698,
                -10.705302777367692
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:36:16+00:00",
        "end_time": "2013-09-19T02:13:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2178.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2178.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2178.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2178.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8318641,
            21.50048099,
            -10.70530278,
            -157.8221386,
            21.50958199,
            63.97469722
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.83186409811114,
                  21.500548774379258,
                  -10.705302777367692
                ],
                [
                  -157.8317919483715,
                  21.509581993440456,
                  -10.705302777367692
                ],
                [
                  -157.82213864460502,
                  21.509514180928726,
                  63.974697222632315
                ],
                [
                  -157.82221138672915,
                  21.50048099381918,
                  63.974697222632315
                ],
                [
                  -157.83186409811114,
                  21.500548774379258,
                  -10.705302777367692
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2178.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2178.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:36:16Z",
            "pc:count": 7565196,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621478.9382,
                "count": 7565196,
                "maximum": 621999.8186,
                "minimum": 620999.7986,
                "name": "X",
                "position": 0,
                "stddev": 274.506792,
                "variance": 75353.97883
              },
              {
                "average": 2378589.058,
                "count": 7565196,
                "maximum": 2378998.49,
                "minimum": 2377998.49,
                "name": "Y",
                "position": 1,
                "stddev": 256.0131285,
                "variance": 65542.72197
              },
              {
                "average": -2.731185675,
                "count": 7565196,
                "maximum": 63.97469722,
                "minimum": -10.70530278,
                "name": "Z",
                "position": 2,
                "stddev": 4.650682866,
                "variance": 21.62885112
              },
              {
                "average": 9.017980631,
                "count": 7565196,
                "maximum": 7543,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.13390643,
                "variance": 489.909814
              },
              {
                "average": 1.033914653,
                "count": 7565196,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2136030212,
                "variance": 0.04562625067
              },
              {
                "average": 1.047219927,
                "count": 7565196,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2887261409,
                "variance": 0.08336278444
              },
              {
                "average": 1,
                "count": 7565196,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7565196,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.21043936,
                "count": 7565196,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.627842948,
                "variance": 21.41693035
              },
              {
                "average": 20.3595536,
                "count": 7565196,
                "maximum": 40.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.019550494,
                "variance": 16.15678617
              },
              {
                "average": 93.98813501,
                "count": 7565196,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.72943687,
                "variance": 4862.194367
              },
              {
                "average": 4.993390654,
                "count": 7565196,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.311897338,
                "variance": 5.344869303
              },
              {
                "average": 63896504.72,
                "count": 7565196,
                "maximum": 64090176.73,
                "minimum": 63592000.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 237474.6701,
                "variance": 56394218940.0
              },
              {
                "average": 0,
                "count": 7565196,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7565196,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7565196,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7565196,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7565196,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.7986,
              2377998.49,
              -10.70530278,
              621999.8186,
              2378998.49,
              63.97469722
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.7986174542,
                    2377998.4896222698,
                    -10.705302777367692
                  ],
                  [
                    620999.7986174542,
                    2378998.4896222698,
                    -10.705302777367692
                  ],
                  [
                    621999.8186174543,
                    2378998.4896222698,
                    63.974697222632315
                  ],
                  [
                    621999.8186174543,
                    2377998.4896222698,
                    63.974697222632315
                  ],
                  [
                    620999.7986174542,
                    2377998.4896222698,
                    -10.705302777367692
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:36:16+00:00",
            "end_time": "2013-09-19T02:13:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj1877.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8608922082317,
              21.49171532143668,
              -0.106870770236512
            ],
            [
              -157.8608218805262,
              21.500748824061922,
              -0.106870770236512
            ],
            [
              -157.85116927177768,
              21.500682713819813,
              230.09312922976352
            ],
            [
              -157.85124019461188,
              21.491649241999852,
              230.09312922976352
            ],
            [
              -157.8608922082317,
              21.49171532143668,
              -0.106870770236512
            ]
          ]
        ]
      },
      "bbox": [
        -157.8608922,
        21.49164924,
        -0.1068707702,
        -157.8511693,
        21.50074882,
        230.0931292
      ],
      "properties": {
        "datetime": "2013-09-23T23:23:02Z",
        "pc:count": 9186595,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618478.3762,
            "count": 9186595,
            "maximum": 618999.7919,
            "minimum": 617999.7919,
            "name": "X",
            "position": 0,
            "stddev": 314.9642349,
            "variance": 99202.46924
          },
          {
            "average": 2377445.207,
            "count": 9186595,
            "maximum": 2377998.495,
            "minimum": 2376998.475,
            "name": "Y",
            "position": 1,
            "stddev": 296.4412814,
            "variance": 87877.4333
          },
          {
            "average": 53.36587045,
            "count": 9186595,
            "maximum": 230.0931292,
            "minimum": -0.1068707702,
            "name": "Z",
            "position": 2,
            "stddev": 42.58770972,
            "variance": 1813.713019
          },
          {
            "average": 8.985899019,
            "count": 9186595,
            "maximum": 4115,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.17803863,
            "variance": 261.7289341
          },
          {
            "average": 1.866533139,
            "count": 9186595,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.041692218,
            "variance": 1.085122678
          },
          {
            "average": 2.73349168,
            "count": 9186595,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.358039865,
            "variance": 1.844272275
          },
          {
            "average": 1,
            "count": 9186595,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9186595,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.102045099,
            "count": 9186595,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.022134551,
            "variance": 1.04475904
          },
          {
            "average": 20.04012907,
            "count": 9186595,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.964939988,
            "variance": 24.65062909
          },
          {
            "average": 90.76887062,
            "count": 9186595,
            "maximum": 200,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.56783385,
            "variance": 4701.547839
          },
          {
            "average": 6.9283223,
            "count": 9186595,
            "maximum": 13,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.351316877,
            "variance": 5.528691058
          },
          {
            "average": 63950719.05,
            "count": 9186595,
            "maximum": 64013782.59,
            "minimum": 63743501.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86412.09002,
            "variance": 7467049302
          },
          {
            "average": 0,
            "count": 9186595,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9186595,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9186595,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9186595,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9186595,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.7919,
          2376998.475,
          -0.1068707702,
          618999.7919,
          2377998.495,
          230.0931292
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.7918852956,
                2376998.474683894,
                -0.106870770236512
              ],
              [
                617999.7918852956,
                2377998.4946838934,
                -0.106870770236512
              ],
              [
                618999.7918852956,
                2377998.4946838934,
                230.09312922976352
              ],
              [
                618999.7918852956,
                2376998.474683894,
                230.09312922976352
              ],
              [
                617999.7918852956,
                2376998.474683894,
                -0.106870770236512
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:23:02+00:00",
        "end_time": "2013-09-20T20:18:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj1877.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj1877.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj1877.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1877.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8608922,
            21.49164924,
            -0.1068707702,
            -157.8511693,
            21.50074882,
            230.0931292
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8608922082317,
                  21.49171532143668,
                  -0.106870770236512
                ],
                [
                  -157.8608218805262,
                  21.500748824061922,
                  -0.106870770236512
                ],
                [
                  -157.85116927177768,
                  21.500682713819813,
                  230.09312922976352
                ],
                [
                  -157.85124019461188,
                  21.491649241999852,
                  230.09312922976352
                ],
                [
                  -157.8608922082317,
                  21.49171532143668,
                  -0.106870770236512
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj1877.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1877.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:23:02Z",
            "pc:count": 9186595,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618478.3762,
                "count": 9186595,
                "maximum": 618999.7919,
                "minimum": 617999.7919,
                "name": "X",
                "position": 0,
                "stddev": 314.9642349,
                "variance": 99202.46924
              },
              {
                "average": 2377445.207,
                "count": 9186595,
                "maximum": 2377998.495,
                "minimum": 2376998.475,
                "name": "Y",
                "position": 1,
                "stddev": 296.4412814,
                "variance": 87877.4333
              },
              {
                "average": 53.36587045,
                "count": 9186595,
                "maximum": 230.0931292,
                "minimum": -0.1068707702,
                "name": "Z",
                "position": 2,
                "stddev": 42.58770972,
                "variance": 1813.713019
              },
              {
                "average": 8.985899019,
                "count": 9186595,
                "maximum": 4115,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.17803863,
                "variance": 261.7289341
              },
              {
                "average": 1.866533139,
                "count": 9186595,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.041692218,
                "variance": 1.085122678
              },
              {
                "average": 2.73349168,
                "count": 9186595,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.358039865,
                "variance": 1.844272275
              },
              {
                "average": 1,
                "count": 9186595,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9186595,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.102045099,
                "count": 9186595,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.022134551,
                "variance": 1.04475904
              },
              {
                "average": 20.04012907,
                "count": 9186595,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.964939988,
                "variance": 24.65062909
              },
              {
                "average": 90.76887062,
                "count": 9186595,
                "maximum": 200,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.56783385,
                "variance": 4701.547839
              },
              {
                "average": 6.9283223,
                "count": 9186595,
                "maximum": 13,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.351316877,
                "variance": 5.528691058
              },
              {
                "average": 63950719.05,
                "count": 9186595,
                "maximum": 64013782.59,
                "minimum": 63743501.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86412.09002,
                "variance": 7467049302
              },
              {
                "average": 0,
                "count": 9186595,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9186595,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9186595,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9186595,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9186595,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.7919,
              2376998.475,
              -0.1068707702,
              618999.7919,
              2377998.495,
              230.0931292
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.7918852956,
                    2376998.474683894,
                    -0.106870770236512
                  ],
                  [
                    617999.7918852956,
                    2377998.4946838934,
                    -0.106870770236512
                  ],
                  [
                    618999.7918852956,
                    2377998.4946838934,
                    230.09312922976352
                  ],
                  [
                    618999.7918852956,
                    2376998.474683894,
                    230.09312922976352
                  ],
                  [
                    617999.7918852956,
                    2376998.474683894,
                    -0.106870770236512
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:23:02+00:00",
            "end_time": "2013-09-20T20:18:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2279.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82213868683408,
              21.509514130509636,
              -21.86621451320366
            ],
            [
              -157.82206590574407,
              21.5185473078442,
              -21.86621451320366
            ],
            [
              -157.81241225555326,
              21.518478903117227,
              -1.726214513203656
            ],
            [
              -157.81248563271083,
              21.50944575741219,
              -1.726214513203656
            ],
            [
              -157.82213868683408,
              21.509514130509636,
              -21.86621451320366
            ]
          ]
        ]
      },
      "bbox": [
        -157.8221387,
        21.50944576,
        -21.86621451,
        -157.8124123,
        21.51854731,
        -1.726214513
      ],
      "properties": {
        "datetime": "2013-09-24T20:41:10Z",
        "pc:count": 5441055,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622370.8547,
            "count": 5441055,
            "maximum": 622999.8143,
            "minimum": 621999.8143,
            "name": "X",
            "position": 0,
            "stddev": 265.0751711,
            "variance": 70264.84631
          },
          {
            "average": 2379600.15,
            "count": 5441055,
            "maximum": 2379998.484,
            "minimum": 2378998.484,
            "name": "Y",
            "position": 1,
            "stddev": 254.0243549,
            "variance": 64528.3729
          },
          {
            "average": -4.510453165,
            "count": 5441055,
            "maximum": -1.726214513,
            "minimum": -21.86621451,
            "name": "Z",
            "position": 2,
            "stddev": 1.665122977,
            "variance": 2.772634527
          },
          {
            "average": 6.001197929,
            "count": 5441055,
            "maximum": 4279,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 13.67407954,
            "variance": 186.9804512
          },
          {
            "average": 1.023912826,
            "count": 5441055,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1564354105,
            "variance": 0.02447203765
          },
          {
            "average": 1.033480456,
            "count": 5441055,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1840976487,
            "variance": 0.03389194426
          },
          {
            "average": 1,
            "count": 5441055,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5441055,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5441055,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.89759395,
            "count": 5441055,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.435287916,
            "variance": 11.80120307
          },
          {
            "average": 102.285865,
            "count": 5441055,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 73.06882366,
            "variance": 5339.052991
          },
          {
            "average": 5.724406388,
            "count": 5441055,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.523975965,
            "variance": 6.370454671
          },
          {
            "average": 63972272.64,
            "count": 5441055,
            "maximum": 64090470.56,
            "minimum": 63592218.16,
            "name": "GpsTime",
            "position": 12,
            "stddev": 190106.2311,
            "variance": 36140379110.0
          },
          {
            "average": 0,
            "count": 5441055,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5441055,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5441055,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5441055,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5441055,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.8143,
          2378998.484,
          -21.86621451,
          622999.8143,
          2379998.484,
          -1.726214513
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.8142850994,
                2378998.484008068,
                -21.86621451320366
              ],
              [
                621999.8142850994,
                2379998.484008068,
                -21.86621451320366
              ],
              [
                622999.8142850994,
                2379998.484008068,
                -1.726214513203656
              ],
              [
                622999.8142850994,
                2378998.484008068,
                -1.726214513203656
              ],
              [
                621999.8142850994,
                2378998.484008068,
                -21.86621451320366
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:41:10+00:00",
        "end_time": "2013-09-19T02:16:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2279.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2279.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2279.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2279.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8221387,
            21.50944576,
            -21.86621451,
            -157.8124123,
            21.51854731,
            -1.726214513
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82213868683408,
                  21.509514130509636,
                  -21.86621451320366
                ],
                [
                  -157.82206590574407,
                  21.5185473078442,
                  -21.86621451320366
                ],
                [
                  -157.81241225555326,
                  21.518478903117227,
                  -1.726214513203656
                ],
                [
                  -157.81248563271083,
                  21.50944575741219,
                  -1.726214513203656
                ],
                [
                  -157.82213868683408,
                  21.509514130509636,
                  -21.86621451320366
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2279.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2279.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:41:10Z",
            "pc:count": 5441055,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622370.8547,
                "count": 5441055,
                "maximum": 622999.8143,
                "minimum": 621999.8143,
                "name": "X",
                "position": 0,
                "stddev": 265.0751711,
                "variance": 70264.84631
              },
              {
                "average": 2379600.15,
                "count": 5441055,
                "maximum": 2379998.484,
                "minimum": 2378998.484,
                "name": "Y",
                "position": 1,
                "stddev": 254.0243549,
                "variance": 64528.3729
              },
              {
                "average": -4.510453165,
                "count": 5441055,
                "maximum": -1.726214513,
                "minimum": -21.86621451,
                "name": "Z",
                "position": 2,
                "stddev": 1.665122977,
                "variance": 2.772634527
              },
              {
                "average": 6.001197929,
                "count": 5441055,
                "maximum": 4279,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 13.67407954,
                "variance": 186.9804512
              },
              {
                "average": 1.023912826,
                "count": 5441055,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1564354105,
                "variance": 0.02447203765
              },
              {
                "average": 1.033480456,
                "count": 5441055,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1840976487,
                "variance": 0.03389194426
              },
              {
                "average": 1,
                "count": 5441055,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5441055,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5441055,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.89759395,
                "count": 5441055,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.435287916,
                "variance": 11.80120307
              },
              {
                "average": 102.285865,
                "count": 5441055,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 73.06882366,
                "variance": 5339.052991
              },
              {
                "average": 5.724406388,
                "count": 5441055,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.523975965,
                "variance": 6.370454671
              },
              {
                "average": 63972272.64,
                "count": 5441055,
                "maximum": 64090470.56,
                "minimum": 63592218.16,
                "name": "GpsTime",
                "position": 12,
                "stddev": 190106.2311,
                "variance": 36140379110.0
              },
              {
                "average": 0,
                "count": 5441055,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5441055,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5441055,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5441055,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5441055,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.8143,
              2378998.484,
              -21.86621451,
              622999.8143,
              2379998.484,
              -1.726214513
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.8142850994,
                    2378998.484008068,
                    -21.86621451320366
                  ],
                  [
                    621999.8142850994,
                    2379998.484008068,
                    -21.86621451320366
                  ],
                  [
                    622999.8142850994,
                    2379998.484008068,
                    -1.726214513203656
                  ],
                  [
                    622999.8142850994,
                    2378998.484008068,
                    -1.726214513203656
                  ],
                  [
                    621999.8142850994,
                    2378998.484008068,
                    -21.86621451320366
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:41:10+00:00",
            "end_time": "2013-09-19T02:16:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj1757.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.87193136130955,
              21.311111472947196,
              -12.161373639268241
            ],
            [
              -157.87186235468246,
              21.32014502346062,
              -12.161373639268241
            ],
            [
              -157.86222155840676,
              21.320080078972588,
              90.63862636073176
            ],
            [
              -157.86229115427489,
              21.311046558663353,
              90.63862636073176
            ],
            [
              -157.87193136130955,
              21.311111472947196,
              -12.161373639268241
            ]
          ]
        ]
      },
      "bbox": [
        -157.8719314,
        21.31104656,
        -12.16137364,
        -157.8622216,
        21.32014502,
        90.63862636
      ],
      "properties": {
        "datetime": "2013-09-16T11:34:34Z",
        "pc:count": 4348593,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617481.5715,
            "count": 4348593,
            "maximum": 617999.7721,
            "minimum": 616999.7721,
            "name": "X",
            "position": 0,
            "stddev": 294.4291764,
            "variance": 86688.53994
          },
          {
            "average": 2357390.05,
            "count": 4348593,
            "maximum": 2357998.443,
            "minimum": 2356998.443,
            "name": "Y",
            "position": 1,
            "stddev": 234.3092492,
            "variance": 54900.82426
          },
          {
            "average": 7.296349312,
            "count": 4348593,
            "maximum": 90.63862636,
            "minimum": -12.16137364,
            "name": "Z",
            "position": 2,
            "stddev": 7.629981012,
            "variance": 58.21661025
          },
          {
            "average": 38.78328025,
            "count": 4348593,
            "maximum": 1017,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 67.91014758,
            "variance": 4611.788144
          },
          {
            "average": 1.20069319,
            "count": 4348593,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5266414822,
            "variance": 0.2773512508
          },
          {
            "average": 1.369710157,
            "count": 4348593,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7578092344,
            "variance": 0.5742748357
          },
          {
            "average": 1,
            "count": 4348593,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4348593,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.589807784,
            "count": 4348593,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.212175357,
            "variance": 10.31807053
          },
          {
            "average": 0,
            "count": 4348593,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 93.30973283,
            "count": 4348593,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.96621822,
            "variance": 4091.677073
          },
          {
            "average": 7.418287938,
            "count": 4348593,
            "maximum": 11,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.875101213,
            "variance": 3.516004559
          },
          {
            "average": 63363379.02,
            "count": 4348593,
            "maximum": 63366474.1,
            "minimum": 63359834.31,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1740.974363,
            "variance": 3030991.734
          },
          {
            "average": 0,
            "count": 4348593,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4348593,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4348593,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4348593,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4348593,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.7721,
          2356998.443,
          -12.16137364,
          617999.7721,
          2357998.443,
          90.63862636
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.7720531576,
                2356998.4427594496,
                -12.161373639268241
              ],
              [
                616999.7720531576,
                2357998.4427594496,
                -12.161373639268241
              ],
              [
                617999.7720531576,
                2357998.4427594496,
                90.63862636073176
              ],
              [
                617999.7720531576,
                2356998.4427594496,
                90.63862636073176
              ],
              [
                616999.7720531576,
                2356998.4427594496,
                -12.161373639268241
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:34:34+00:00",
        "end_time": "2013-09-16T09:43:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj1757.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj1757.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj1757.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1757.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8719314,
            21.31104656,
            -12.16137364,
            -157.8622216,
            21.32014502,
            90.63862636
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.87193136130955,
                  21.311111472947196,
                  -12.161373639268241
                ],
                [
                  -157.87186235468246,
                  21.32014502346062,
                  -12.161373639268241
                ],
                [
                  -157.86222155840676,
                  21.320080078972588,
                  90.63862636073176
                ],
                [
                  -157.86229115427489,
                  21.311046558663353,
                  90.63862636073176
                ],
                [
                  -157.87193136130955,
                  21.311111472947196,
                  -12.161373639268241
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj1757.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1757.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:34:34Z",
            "pc:count": 4348593,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617481.5715,
                "count": 4348593,
                "maximum": 617999.7721,
                "minimum": 616999.7721,
                "name": "X",
                "position": 0,
                "stddev": 294.4291764,
                "variance": 86688.53994
              },
              {
                "average": 2357390.05,
                "count": 4348593,
                "maximum": 2357998.443,
                "minimum": 2356998.443,
                "name": "Y",
                "position": 1,
                "stddev": 234.3092492,
                "variance": 54900.82426
              },
              {
                "average": 7.296349312,
                "count": 4348593,
                "maximum": 90.63862636,
                "minimum": -12.16137364,
                "name": "Z",
                "position": 2,
                "stddev": 7.629981012,
                "variance": 58.21661025
              },
              {
                "average": 38.78328025,
                "count": 4348593,
                "maximum": 1017,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 67.91014758,
                "variance": 4611.788144
              },
              {
                "average": 1.20069319,
                "count": 4348593,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5266414822,
                "variance": 0.2773512508
              },
              {
                "average": 1.369710157,
                "count": 4348593,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7578092344,
                "variance": 0.5742748357
              },
              {
                "average": 1,
                "count": 4348593,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4348593,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.589807784,
                "count": 4348593,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.212175357,
                "variance": 10.31807053
              },
              {
                "average": 0,
                "count": 4348593,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 93.30973283,
                "count": 4348593,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.96621822,
                "variance": 4091.677073
              },
              {
                "average": 7.418287938,
                "count": 4348593,
                "maximum": 11,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.875101213,
                "variance": 3.516004559
              },
              {
                "average": 63363379.02,
                "count": 4348593,
                "maximum": 63366474.1,
                "minimum": 63359834.31,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1740.974363,
                "variance": 3030991.734
              },
              {
                "average": 0,
                "count": 4348593,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4348593,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4348593,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4348593,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4348593,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.7721,
              2356998.443,
              -12.16137364,
              617999.7721,
              2357998.443,
              90.63862636
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.7720531576,
                    2356998.4427594496,
                    -12.161373639268241
                  ],
                  [
                    616999.7720531576,
                    2357998.4427594496,
                    -12.161373639268241
                  ],
                  [
                    617999.7720531576,
                    2357998.4427594496,
                    90.63862636073176
                  ],
                  [
                    617999.7720531576,
                    2356998.4427594496,
                    90.63862636073176
                  ],
                  [
                    616999.7720531576,
                    2356998.4427594496,
                    -12.161373639268241
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:34:34+00:00",
            "end_time": "2013-09-16T09:43:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2450.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8049614886387,
              21.247411706169064,
              -16.21444287638217
            ],
            [
              -157.80488862133197,
              21.256445114246283,
              -16.21444287638217
            ],
            [
              -157.79525202372972,
              21.256376518089215,
              55.34555712361784
            ],
            [
              -157.7953254781219,
              21.247343142152204,
              55.34555712361784
            ],
            [
              -157.8049614886387,
              21.247411706169064,
              -16.21444287638217
            ]
          ]
        ]
      },
      "bbox": [
        -157.8049615,
        21.24734314,
        -16.21444288,
        -157.795252,
        21.25644511,
        55.34555712
      ],
      "properties": {
        "datetime": "2013-09-17T12:51:31Z",
        "pc:count": 6878313,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624504.8498,
            "count": 6878313,
            "maximum": 624999.8053,
            "minimum": 623999.7853,
            "name": "X",
            "position": 0,
            "stddev": 290.4106319,
            "variance": 84338.33511
          },
          {
            "average": 2350563.017,
            "count": 6878313,
            "maximum": 2350998.434,
            "minimum": 2349998.434,
            "name": "Y",
            "position": 1,
            "stddev": 280.3863931,
            "variance": 78616.52946
          },
          {
            "average": -4.445076181,
            "count": 6878313,
            "maximum": 55.34555712,
            "minimum": -16.21444288,
            "name": "Z",
            "position": 2,
            "stddev": 7.189551599,
            "variance": 51.68965219
          },
          {
            "average": 11.67931802,
            "count": 6878313,
            "maximum": 5251,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.92670261,
            "variance": 1290.72796
          },
          {
            "average": 1.097607509,
            "count": 6878313,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.391674757,
            "variance": 0.1534091153
          },
          {
            "average": 1.163117323,
            "count": 6878313,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5891920113,
            "variance": 0.3471472262
          },
          {
            "average": 1,
            "count": 6878313,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6878313,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 27.24437969,
            "count": 6878313,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.770726338,
            "variance": 45.84273515
          },
          {
            "average": 18.16990411,
            "count": 6878313,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.200909926,
            "variance": 38.45128391
          },
          {
            "average": 97.16618566,
            "count": 6878313,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 73.30598293,
            "variance": 5373.767134
          },
          {
            "average": 8.115227091,
            "count": 6878313,
            "maximum": 16,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.46985268,
            "variance": 12.03987762
          },
          {
            "average": 63344082.98,
            "count": 6878313,
            "maximum": 63457491.15,
            "minimum": 63279509.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 57768.09807,
            "variance": 3337153155
          },
          {
            "average": 0,
            "count": 6878313,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6878313,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6878313,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6878313,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6878313,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.7853,
          2349998.434,
          -16.21444288,
          624999.8053,
          2350998.434,
          55.34555712
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.7852760127,
                2349998.4344314607,
                -16.21444287638217
              ],
              [
                623999.7852760127,
                2350998.4344314607,
                -16.21444287638217
              ],
              [
                624999.8052760127,
                2350998.4344314607,
                55.34555712361784
              ],
              [
                624999.8052760127,
                2349998.4344314607,
                55.34555712361784
              ],
              [
                623999.7852760127,
                2349998.4344314607,
                -16.21444287638217
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:51:31+00:00",
        "end_time": "2013-09-15T11:25:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2450.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2450.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2450.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2450.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8049615,
            21.24734314,
            -16.21444288,
            -157.795252,
            21.25644511,
            55.34555712
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8049614886387,
                  21.247411706169064,
                  -16.21444287638217
                ],
                [
                  -157.80488862133197,
                  21.256445114246283,
                  -16.21444287638217
                ],
                [
                  -157.79525202372972,
                  21.256376518089215,
                  55.34555712361784
                ],
                [
                  -157.7953254781219,
                  21.247343142152204,
                  55.34555712361784
                ],
                [
                  -157.8049614886387,
                  21.247411706169064,
                  -16.21444287638217
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2450.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2450.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:51:31Z",
            "pc:count": 6878313,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624504.8498,
                "count": 6878313,
                "maximum": 624999.8053,
                "minimum": 623999.7853,
                "name": "X",
                "position": 0,
                "stddev": 290.4106319,
                "variance": 84338.33511
              },
              {
                "average": 2350563.017,
                "count": 6878313,
                "maximum": 2350998.434,
                "minimum": 2349998.434,
                "name": "Y",
                "position": 1,
                "stddev": 280.3863931,
                "variance": 78616.52946
              },
              {
                "average": -4.445076181,
                "count": 6878313,
                "maximum": 55.34555712,
                "minimum": -16.21444288,
                "name": "Z",
                "position": 2,
                "stddev": 7.189551599,
                "variance": 51.68965219
              },
              {
                "average": 11.67931802,
                "count": 6878313,
                "maximum": 5251,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.92670261,
                "variance": 1290.72796
              },
              {
                "average": 1.097607509,
                "count": 6878313,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.391674757,
                "variance": 0.1534091153
              },
              {
                "average": 1.163117323,
                "count": 6878313,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5891920113,
                "variance": 0.3471472262
              },
              {
                "average": 1,
                "count": 6878313,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6878313,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 27.24437969,
                "count": 6878313,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.770726338,
                "variance": 45.84273515
              },
              {
                "average": 18.16990411,
                "count": 6878313,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.200909926,
                "variance": 38.45128391
              },
              {
                "average": 97.16618566,
                "count": 6878313,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 73.30598293,
                "variance": 5373.767134
              },
              {
                "average": 8.115227091,
                "count": 6878313,
                "maximum": 16,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.46985268,
                "variance": 12.03987762
              },
              {
                "average": 63344082.98,
                "count": 6878313,
                "maximum": 63457491.15,
                "minimum": 63279509.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 57768.09807,
                "variance": 3337153155
              },
              {
                "average": 0,
                "count": 6878313,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6878313,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6878313,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6878313,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6878313,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.7853,
              2349998.434,
              -16.21444288,
              624999.8053,
              2350998.434,
              55.34555712
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.7852760127,
                    2349998.4344314607,
                    -16.21444287638217
                  ],
                  [
                    623999.7852760127,
                    2350998.4344314607,
                    -16.21444287638217
                  ],
                  [
                    624999.8052760127,
                    2350998.4344314607,
                    55.34555712361784
                  ],
                  [
                    624999.8052760127,
                    2349998.4344314607,
                    55.34555712361784
                  ],
                  [
                    623999.7852760127,
                    2349998.4344314607,
                    -16.21444287638217
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:51:31+00:00",
            "end_time": "2013-09-15T11:25:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj1758.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8718623421759,
              21.320145063669035,
              1.964993139524738
            ],
            [
              -157.8718559558784,
              21.320980847168666,
              1.964993139524738
            ],
            [
              -157.8622152979021,
              21.320915901179834,
              16.98499313952474
            ],
            [
              -157.86222173871312,
              21.3200801204846,
              16.98499313952474
            ],
            [
              -157.8718623421759,
              21.320145063669035,
              1.964993139524738
            ]
          ]
        ]
      },
      "bbox": [
        -157.8718623,
        21.32008012,
        1.96499314,
        -157.8622153,
        21.32098085,
        16.98499314
      ],
      "properties": {
        "datetime": "2013-09-16T10:01:26Z",
        "pc:count": 15190,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617128.272,
            "count": 15190,
            "maximum": 617999.7533,
            "minimum": 616999.7733,
            "name": "X",
            "position": 0,
            "stddev": 284.6013941,
            "variance": 80997.95353
          },
          {
            "average": 2358024.461,
            "count": 15190,
            "maximum": 2358090.967,
            "minimum": 2357998.447,
            "name": "Y",
            "position": 1,
            "stddev": 23.24097666,
            "variance": 540.142996
          },
          {
            "average": 7.96730782,
            "count": 15190,
            "maximum": 16.98499314,
            "minimum": 1.96499314,
            "name": "Z",
            "position": 2,
            "stddev": 4.557908294,
            "variance": 20.77452801
          },
          {
            "average": 61.61362739,
            "count": 15190,
            "maximum": 753,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 76.57550422,
            "variance": 5863.807846
          },
          {
            "average": 1.12363397,
            "count": 15190,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4077896631,
            "variance": 0.1662924093
          },
          {
            "average": 1.216129032,
            "count": 15190,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5713003757,
            "variance": 0.3263841192
          },
          {
            "average": 1,
            "count": 15190,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15190,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.292824226,
            "count": 15190,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4550734362,
            "variance": 0.2070918323
          },
          {
            "average": 0,
            "count": 15190,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 98.69776169,
            "count": 15190,
            "maximum": 190,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 60.3289496,
            "variance": 3639.58216
          },
          {
            "average": 3.607965767,
            "count": 15190,
            "maximum": 5,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6580073014,
            "variance": 0.4329736087
          },
          {
            "average": 63360277.51,
            "count": 15190,
            "maximum": 63360886.02,
            "minimum": 63359834.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 438.0920733,
            "variance": 191924.6647
          },
          {
            "average": 0,
            "count": 15190,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15190,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15190,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15190,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15190,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.7733,
          2357998.447,
          1.96499314,
          617999.7533,
          2358090.967,
          16.98499314
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.7733184773,
                2357998.44721952,
                1.964993139524738
              ],
              [
                616999.7733184773,
                2358090.9672195194,
                1.964993139524738
              ],
              [
                617999.7533184773,
                2358090.9672195194,
                16.98499313952474
              ],
              [
                617999.7533184773,
                2357998.44721952,
                16.98499313952474
              ],
              [
                616999.7733184773,
                2357998.44721952,
                1.964993139524738
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T10:01:26+00:00",
        "end_time": "2013-09-16T09:43:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj1758.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj1758.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj1758.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1758.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8718623,
            21.32008012,
            1.96499314,
            -157.8622153,
            21.32098085,
            16.98499314
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8718623421759,
                  21.320145063669035,
                  1.964993139524738
                ],
                [
                  -157.8718559558784,
                  21.320980847168666,
                  1.964993139524738
                ],
                [
                  -157.8622152979021,
                  21.320915901179834,
                  16.98499313952474
                ],
                [
                  -157.86222173871312,
                  21.3200801204846,
                  16.98499313952474
                ],
                [
                  -157.8718623421759,
                  21.320145063669035,
                  1.964993139524738
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj1758.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1758.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T10:01:26Z",
            "pc:count": 15190,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617128.272,
                "count": 15190,
                "maximum": 617999.7533,
                "minimum": 616999.7733,
                "name": "X",
                "position": 0,
                "stddev": 284.6013941,
                "variance": 80997.95353
              },
              {
                "average": 2358024.461,
                "count": 15190,
                "maximum": 2358090.967,
                "minimum": 2357998.447,
                "name": "Y",
                "position": 1,
                "stddev": 23.24097666,
                "variance": 540.142996
              },
              {
                "average": 7.96730782,
                "count": 15190,
                "maximum": 16.98499314,
                "minimum": 1.96499314,
                "name": "Z",
                "position": 2,
                "stddev": 4.557908294,
                "variance": 20.77452801
              },
              {
                "average": 61.61362739,
                "count": 15190,
                "maximum": 753,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 76.57550422,
                "variance": 5863.807846
              },
              {
                "average": 1.12363397,
                "count": 15190,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4077896631,
                "variance": 0.1662924093
              },
              {
                "average": 1.216129032,
                "count": 15190,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5713003757,
                "variance": 0.3263841192
              },
              {
                "average": 1,
                "count": 15190,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15190,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.292824226,
                "count": 15190,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4550734362,
                "variance": 0.2070918323
              },
              {
                "average": 0,
                "count": 15190,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 98.69776169,
                "count": 15190,
                "maximum": 190,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 60.3289496,
                "variance": 3639.58216
              },
              {
                "average": 3.607965767,
                "count": 15190,
                "maximum": 5,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6580073014,
                "variance": 0.4329736087
              },
              {
                "average": 63360277.51,
                "count": 15190,
                "maximum": 63360886.02,
                "minimum": 63359834.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 438.0920733,
                "variance": 191924.6647
              },
              {
                "average": 0,
                "count": 15190,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15190,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15190,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15190,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15190,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.7733,
              2357998.447,
              1.96499314,
              617999.7533,
              2358090.967,
              16.98499314
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.7733184773,
                    2357998.44721952,
                    1.964993139524738
                  ],
                  [
                    616999.7733184773,
                    2358090.9672195194,
                    1.964993139524738
                  ],
                  [
                    617999.7533184773,
                    2358090.9672195194,
                    16.98499313952474
                  ],
                  [
                    617999.7533184773,
                    2357998.44721952,
                    16.98499313952474
                  ],
                  [
                    616999.7733184773,
                    2357998.44721952,
                    1.964993139524738
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T10:01:26+00:00",
            "end_time": "2013-09-16T09:43:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2076.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84165960472282,
              21.482549278462034,
              -13.003773141169674
            ],
            [
              -157.84158812476434,
              21.491582729052748,
              -13.003773141169674
            ],
            [
              -157.83193618343657,
              21.491515534872065,
              0.696226858830328
            ],
            [
              -157.83200825815007,
              21.48248211551847,
              0.696226858830328
            ],
            [
              -157.84165960472282,
              21.482549278462034,
              -13.003773141169674
            ]
          ]
        ]
      },
      "bbox": [
        -157.8416596,
        21.48248212,
        -13.00377314,
        -157.8319362,
        21.49158273,
        0.6962268588
      ],
      "properties": {
        "datetime": "2013-09-24T20:30:01Z",
        "pc:count": 4514283,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620467.6183,
            "count": 4514283,
            "maximum": 620999.8013,
            "minimum": 619999.8013,
            "name": "X",
            "position": 0,
            "stddev": 260.561448,
            "variance": 67892.2682
          },
          {
            "average": 2376487.811,
            "count": 4514283,
            "maximum": 2376998.488,
            "minimum": 2375998.468,
            "name": "Y",
            "position": 1,
            "stddev": 252.0282861,
            "variance": 63518.25699
          },
          {
            "average": -0.656824618,
            "count": 4514283,
            "maximum": 0.6962268588,
            "minimum": -13.00377314,
            "name": "Z",
            "position": 2,
            "stddev": 0.9433806971,
            "variance": 0.8899671396
          },
          {
            "average": 2.400903754,
            "count": 4514283,
            "maximum": 5684,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 7.688976514,
            "variance": 59.12035983
          },
          {
            "average": 1.013662192,
            "count": 4514283,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1179075281,
            "variance": 0.01390218518
          },
          {
            "average": 1.024679445,
            "count": 4514283,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1574634663,
            "variance": 0.02479474322
          },
          {
            "average": 1,
            "count": 4514283,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4514283,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4514283,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.10726619,
            "count": 4514283,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.65036121,
            "variance": 13.32513697
          },
          {
            "average": 90.48933795,
            "count": 4514283,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 74.16356922,
            "variance": 5500.234999
          },
          {
            "average": 4.45232255,
            "count": 4514283,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.643789174,
            "variance": 6.989621197
          },
          {
            "average": 63943277.9,
            "count": 4514283,
            "maximum": 64089801.4,
            "minimum": 63658358.01,
            "name": "GpsTime",
            "position": 12,
            "stddev": 179738.8882,
            "variance": 32306067930.0
          },
          {
            "average": 0,
            "count": 4514283,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4514283,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4514283,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4514283,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4514283,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.8013,
          2375998.468,
          -13.00377314,
          620999.8013,
          2376998.488,
          0.6962268588
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.8013379814,
                2375998.4684657836,
                -13.003773141169674
              ],
              [
                619999.8013379814,
                2376998.488465783,
                -13.003773141169674
              ],
              [
                620999.8013379814,
                2376998.488465783,
                0.696226858830328
              ],
              [
                620999.8013379814,
                2375998.4684657836,
                0.696226858830328
              ],
              [
                619999.8013379814,
                2375998.4684657836,
                -13.003773141169674
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:30:01+00:00",
        "end_time": "2013-09-19T20:39:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2076.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2076.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2076.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2076.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8416596,
            21.48248212,
            -13.00377314,
            -157.8319362,
            21.49158273,
            0.6962268588
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84165960472282,
                  21.482549278462034,
                  -13.003773141169674
                ],
                [
                  -157.84158812476434,
                  21.491582729052748,
                  -13.003773141169674
                ],
                [
                  -157.83193618343657,
                  21.491515534872065,
                  0.696226858830328
                ],
                [
                  -157.83200825815007,
                  21.48248211551847,
                  0.696226858830328
                ],
                [
                  -157.84165960472282,
                  21.482549278462034,
                  -13.003773141169674
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2076.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2076.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:30:01Z",
            "pc:count": 4514283,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620467.6183,
                "count": 4514283,
                "maximum": 620999.8013,
                "minimum": 619999.8013,
                "name": "X",
                "position": 0,
                "stddev": 260.561448,
                "variance": 67892.2682
              },
              {
                "average": 2376487.811,
                "count": 4514283,
                "maximum": 2376998.488,
                "minimum": 2375998.468,
                "name": "Y",
                "position": 1,
                "stddev": 252.0282861,
                "variance": 63518.25699
              },
              {
                "average": -0.656824618,
                "count": 4514283,
                "maximum": 0.6962268588,
                "minimum": -13.00377314,
                "name": "Z",
                "position": 2,
                "stddev": 0.9433806971,
                "variance": 0.8899671396
              },
              {
                "average": 2.400903754,
                "count": 4514283,
                "maximum": 5684,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 7.688976514,
                "variance": 59.12035983
              },
              {
                "average": 1.013662192,
                "count": 4514283,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1179075281,
                "variance": 0.01390218518
              },
              {
                "average": 1.024679445,
                "count": 4514283,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1574634663,
                "variance": 0.02479474322
              },
              {
                "average": 1,
                "count": 4514283,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4514283,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4514283,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.10726619,
                "count": 4514283,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.65036121,
                "variance": 13.32513697
              },
              {
                "average": 90.48933795,
                "count": 4514283,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 74.16356922,
                "variance": 5500.234999
              },
              {
                "average": 4.45232255,
                "count": 4514283,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.643789174,
                "variance": 6.989621197
              },
              {
                "average": 63943277.9,
                "count": 4514283,
                "maximum": 64089801.4,
                "minimum": 63658358.01,
                "name": "GpsTime",
                "position": 12,
                "stddev": 179738.8882,
                "variance": 32306067930.0
              },
              {
                "average": 0,
                "count": 4514283,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4514283,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4514283,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4514283,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4514283,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.8013,
              2375998.468,
              -13.00377314,
              620999.8013,
              2376998.488,
              0.6962268588
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.8013379814,
                    2375998.4684657836,
                    -13.003773141169674
                  ],
                  [
                    619999.8013379814,
                    2376998.488465783,
                    -13.003773141169674
                  ],
                  [
                    620999.8013379814,
                    2376998.488465783,
                    0.696226858830328
                  ],
                  [
                    620999.8013379814,
                    2375998.4684657836,
                    0.696226858830328
                  ],
                  [
                    619999.8013379814,
                    2375998.4684657836,
                    -13.003773141169674
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:30:01+00:00",
            "end_time": "2013-09-19T20:39:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130923_ncmp_hi_oahu_4qfj1776.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8609455353433,
              21.49161488802971,
              33.54707382028723
            ],
            [
              -157.86094475074935,
              21.491715699959776,
              33.54707382028723
            ],
            [
              -157.860892436738,
              21.491715343327982,
              41.96707382028723
            ],
            [
              -157.86089322136795,
              21.491614531399776,
              41.96707382028723
            ],
            [
              -157.8609455353433,
              21.49161488802971,
              33.54707382028723
            ]
          ]
        ]
      },
      "bbox": [
        -157.8609455,
        21.49161453,
        33.54707382,
        -157.8608924,
        21.4917157,
        41.96707382
      ],
      "properties": {
        "datetime": "2013-09-23T23:13:59Z",
        "pc:count": 637,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617997.7733,
            "count": 637,
            "maximum": 617999.7682,
            "minimum": 617994.3482,
            "name": "X",
            "position": 0,
            "stddev": 1.434955196,
            "variance": 2.059096416
          },
          {
            "average": 2376994.53,
            "count": 637,
            "maximum": 2376998.477,
            "minimum": 2376987.317,
            "name": "Y",
            "position": 1,
            "stddev": 2.603975223,
            "variance": 6.780686963
          },
          {
            "average": 36.03142233,
            "count": 637,
            "maximum": 41.96707382,
            "minimum": 33.54707382,
            "name": "Z",
            "position": 2,
            "stddev": 1.220952597,
            "variance": 1.490725243
          },
          {
            "average": 5.916797488,
            "count": 637,
            "maximum": 54,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 7.255727543,
            "variance": 52.64558218
          },
          {
            "average": 1.712715856,
            "count": 637,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8188300842,
            "variance": 0.6704827069
          },
          {
            "average": 2.139717425,
            "count": 637,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8889301296,
            "variance": 0.7901967754
          },
          {
            "average": 1,
            "count": 637,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 637,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 637,
            "maximum": 1,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.92920181,
            "count": 637,
            "maximum": 28.99799919,
            "minimum": 28.00200081,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0.2527633159,
            "variance": 0.06388929387
          },
          {
            "average": 85.18053375,
            "count": 637,
            "maximum": 190,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.61363249,
            "variance": 4707.830564
          },
          {
            "average": 11,
            "count": 637,
            "maximum": 11,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 64013238.84,
            "count": 637,
            "maximum": 64013239.16,
            "minimum": 64013238.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.1785830326,
            "variance": 0.03189189952
          },
          {
            "average": 0,
            "count": 637,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 637,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 637,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 637,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 637,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617994.3482,
          2376987.317,
          33.54707382,
          617999.7682,
          2376998.477,
          41.96707382
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617994.3481944742,
                2376987.316934718,
                33.54707382028723
              ],
              [
                617994.3481944742,
                2376998.476934718,
                33.54707382028723
              ],
              [
                617999.7681944742,
                2376998.476934718,
                41.96707382028723
              ],
              [
                617999.7681944742,
                2376987.316934718,
                41.96707382028723
              ],
              [
                617994.3481944742,
                2376987.316934718,
                33.54707382028723
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:13:59+00:00",
        "end_time": "2013-09-23T23:13:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130923_ncmp_hi_oahu_4qfj1776.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130923_ncmp_hi_oahu_4qfj1776.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130923_ncmp_hi_oahu_4qfj1776.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1776.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8609455,
            21.49161453,
            33.54707382,
            -157.8608924,
            21.4917157,
            41.96707382
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8609455353433,
                  21.49161488802971,
                  33.54707382028723
                ],
                [
                  -157.86094475074935,
                  21.491715699959776,
                  33.54707382028723
                ],
                [
                  -157.860892436738,
                  21.491715343327982,
                  41.96707382028723
                ],
                [
                  -157.86089322136795,
                  21.491614531399776,
                  41.96707382028723
                ],
                [
                  -157.8609455353433,
                  21.49161488802971,
                  33.54707382028723
                ]
              ]
            ]
          },
          "id": "20130923_ncmp_hi_oahu_4qfj1776.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1776.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:13:59Z",
            "pc:count": 637,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617997.7733,
                "count": 637,
                "maximum": 617999.7682,
                "minimum": 617994.3482,
                "name": "X",
                "position": 0,
                "stddev": 1.434955196,
                "variance": 2.059096416
              },
              {
                "average": 2376994.53,
                "count": 637,
                "maximum": 2376998.477,
                "minimum": 2376987.317,
                "name": "Y",
                "position": 1,
                "stddev": 2.603975223,
                "variance": 6.780686963
              },
              {
                "average": 36.03142233,
                "count": 637,
                "maximum": 41.96707382,
                "minimum": 33.54707382,
                "name": "Z",
                "position": 2,
                "stddev": 1.220952597,
                "variance": 1.490725243
              },
              {
                "average": 5.916797488,
                "count": 637,
                "maximum": 54,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 7.255727543,
                "variance": 52.64558218
              },
              {
                "average": 1.712715856,
                "count": 637,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8188300842,
                "variance": 0.6704827069
              },
              {
                "average": 2.139717425,
                "count": 637,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8889301296,
                "variance": 0.7901967754
              },
              {
                "average": 1,
                "count": 637,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 637,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 637,
                "maximum": 1,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.92920181,
                "count": 637,
                "maximum": 28.99799919,
                "minimum": 28.00200081,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0.2527633159,
                "variance": 0.06388929387
              },
              {
                "average": 85.18053375,
                "count": 637,
                "maximum": 190,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.61363249,
                "variance": 4707.830564
              },
              {
                "average": 11,
                "count": 637,
                "maximum": 11,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 64013238.84,
                "count": 637,
                "maximum": 64013239.16,
                "minimum": 64013238.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.1785830326,
                "variance": 0.03189189952
              },
              {
                "average": 0,
                "count": 637,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 637,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 637,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 637,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 637,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617994.3482,
              2376987.317,
              33.54707382,
              617999.7682,
              2376998.477,
              41.96707382
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617994.3481944742,
                    2376987.316934718,
                    33.54707382028723
                  ],
                  [
                    617994.3481944742,
                    2376998.476934718,
                    33.54707382028723
                  ],
                  [
                    617999.7681944742,
                    2376998.476934718,
                    41.96707382028723
                  ],
                  [
                    617999.7681944742,
                    2376987.316934718,
                    41.96707382028723
                  ],
                  [
                    617994.3481944742,
                    2376987.316934718,
                    33.54707382028723
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:13:59+00:00",
            "end_time": "2013-09-23T23:13:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130923_ncmp_hi_oahu_4qfj1777.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86385281138962,
              21.49173564480984,
              20.15922710422882
            ],
            [
              -157.8637826676428,
              21.500768976172782,
              20.15922710422882
            ],
            [
              -157.86082181925954,
              21.50074880926771,
              212.65922710422882
            ],
            [
              -157.86089214556264,
              21.49171548730918,
              212.65922710422882
            ],
            [
              -157.86385281138962,
              21.49173564480984,
              20.15922710422882
            ]
          ]
        ]
      },
      "bbox": [
        -157.8638528,
        21.49171549,
        20.1592271,
        -157.8608218,
        21.50076898,
        212.6592271
      ],
      "properties": {
        "datetime": "2013-09-23T23:13:59Z",
        "pc:count": 1832706,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617890.2894,
            "count": 1832706,
            "maximum": 617999.7982,
            "minimum": 617693.0582,
            "name": "X",
            "position": 0,
            "stddev": 70.52551265,
            "variance": 4973.847935
          },
          {
            "average": 2377579.771,
            "count": 1832706,
            "maximum": 2377998.493,
            "minimum": 2376998.493,
            "name": "Y",
            "position": 1,
            "stddev": 224.1196271,
            "variance": 50229.60724
          },
          {
            "average": 95.80042376,
            "count": 1832706,
            "maximum": 212.6592271,
            "minimum": 20.1592271,
            "name": "Z",
            "position": 2,
            "stddev": 47.69341037,
            "variance": 2274.661393
          },
          {
            "average": 5.965475095,
            "count": 1832706,
            "maximum": 393,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 9.143857148,
            "variance": 83.61012354
          },
          {
            "average": 2.034641672,
            "count": 1832706,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.089138111,
            "variance": 1.186221825
          },
          {
            "average": 3.068269542,
            "count": 1832706,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.297546663,
            "variance": 1.683627344
          },
          {
            "average": 1,
            "count": 1832706,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1832706,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.032166098,
            "count": 1832706,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.1764410857,
            "variance": 0.03113145672
          },
          {
            "average": 21.8488256,
            "count": 1832706,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.27395276,
            "variance": 18.2666722
          },
          {
            "average": 88.92393324,
            "count": 1832706,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.88273839,
            "variance": 4883.597125
          },
          {
            "average": 9.972621904,
            "count": 1832706,
            "maximum": 11,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9996297892,
            "variance": 0.9992597154
          },
          {
            "average": 64012946.67,
            "count": 1832706,
            "maximum": 64013239.31,
            "minimum": 64012073.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 276.5225167,
            "variance": 76464.70225
          },
          {
            "average": 0,
            "count": 1832706,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1832706,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1832706,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1832706,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1832706,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617693.0582,
          2376998.493,
          20.1592271,
          617999.7982,
          2377998.493,
          212.6592271
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617693.0582440417,
                2376998.4930924946,
                20.15922710422882
              ],
              [
                617693.0582440417,
                2377998.4930924946,
                20.15922710422882
              ],
              [
                617999.7982440417,
                2377998.4930924946,
                212.65922710422882
              ],
              [
                617999.7982440417,
                2376998.4930924946,
                212.65922710422882
              ],
              [
                617693.0582440417,
                2376998.4930924946,
                20.15922710422882
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:13:59+00:00",
        "end_time": "2013-09-23T22:54:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130923_ncmp_hi_oahu_4qfj1777.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130923_ncmp_hi_oahu_4qfj1777.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130923_ncmp_hi_oahu_4qfj1777.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1777.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8638528,
            21.49171549,
            20.1592271,
            -157.8608218,
            21.50076898,
            212.6592271
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86385281138962,
                  21.49173564480984,
                  20.15922710422882
                ],
                [
                  -157.8637826676428,
                  21.500768976172782,
                  20.15922710422882
                ],
                [
                  -157.86082181925954,
                  21.50074880926771,
                  212.65922710422882
                ],
                [
                  -157.86089214556264,
                  21.49171548730918,
                  212.65922710422882
                ],
                [
                  -157.86385281138962,
                  21.49173564480984,
                  20.15922710422882
                ]
              ]
            ]
          },
          "id": "20130923_ncmp_hi_oahu_4qfj1777.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1777.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:13:59Z",
            "pc:count": 1832706,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617890.2894,
                "count": 1832706,
                "maximum": 617999.7982,
                "minimum": 617693.0582,
                "name": "X",
                "position": 0,
                "stddev": 70.52551265,
                "variance": 4973.847935
              },
              {
                "average": 2377579.771,
                "count": 1832706,
                "maximum": 2377998.493,
                "minimum": 2376998.493,
                "name": "Y",
                "position": 1,
                "stddev": 224.1196271,
                "variance": 50229.60724
              },
              {
                "average": 95.80042376,
                "count": 1832706,
                "maximum": 212.6592271,
                "minimum": 20.1592271,
                "name": "Z",
                "position": 2,
                "stddev": 47.69341037,
                "variance": 2274.661393
              },
              {
                "average": 5.965475095,
                "count": 1832706,
                "maximum": 393,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 9.143857148,
                "variance": 83.61012354
              },
              {
                "average": 2.034641672,
                "count": 1832706,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.089138111,
                "variance": 1.186221825
              },
              {
                "average": 3.068269542,
                "count": 1832706,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.297546663,
                "variance": 1.683627344
              },
              {
                "average": 1,
                "count": 1832706,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1832706,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.032166098,
                "count": 1832706,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.1764410857,
                "variance": 0.03113145672
              },
              {
                "average": 21.8488256,
                "count": 1832706,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.27395276,
                "variance": 18.2666722
              },
              {
                "average": 88.92393324,
                "count": 1832706,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.88273839,
                "variance": 4883.597125
              },
              {
                "average": 9.972621904,
                "count": 1832706,
                "maximum": 11,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9996297892,
                "variance": 0.9992597154
              },
              {
                "average": 64012946.67,
                "count": 1832706,
                "maximum": 64013239.31,
                "minimum": 64012073.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 276.5225167,
                "variance": 76464.70225
              },
              {
                "average": 0,
                "count": 1832706,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1832706,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1832706,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1832706,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1832706,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617693.0582,
              2376998.493,
              20.1592271,
              617999.7982,
              2377998.493,
              212.6592271
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617693.0582440417,
                    2376998.4930924946,
                    20.15922710422882
                  ],
                  [
                    617693.0582440417,
                    2377998.4930924946,
                    20.15922710422882
                  ],
                  [
                    617999.7982440417,
                    2377998.4930924946,
                    212.65922710422882
                  ],
                  [
                    617999.7982440417,
                    2376998.4930924946,
                    212.65922710422882
                  ],
                  [
                    617693.0582440417,
                    2376998.4930924946,
                    20.15922710422882
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:13:59+00:00",
            "end_time": "2013-09-23T22:54:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130923_ncmp_hi_oahu_4qfj1778.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86425967442096,
              21.5007721973265,
              27.032773744349967
            ],
            [
              -157.86418952269915,
              21.509805520433027,
              27.032773744349967
            ],
            [
              -157.86075142887057,
              21.509782098348428,
              214.71277374435
            ],
            [
              -157.86082179264395,
              21.500748786164614,
              214.71277374435
            ],
            [
              -157.86425967442096,
              21.5007721973265,
              27.032773744349967
            ]
          ]
        ]
      },
      "bbox": [
        -157.8642597,
        21.50074879,
        27.03277374,
        -157.8607514,
        21.50980552,
        214.7127737
      ],
      "properties": {
        "datetime": "2013-09-23T23:31:03Z",
        "pc:count": 2522829,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617883.0719,
            "count": 2522829,
            "maximum": 617999.801,
            "minimum": 617643.641,
            "name": "X",
            "position": 0,
            "stddev": 78.19175861,
            "variance": 6113.951114
          },
          {
            "average": 2378612.516,
            "count": 2522829,
            "maximum": 2378998.491,
            "minimum": 2377998.491,
            "name": "Y",
            "position": 1,
            "stddev": 226.5064057,
            "variance": 51305.15182
          },
          {
            "average": 110.7789291,
            "count": 2522829,
            "maximum": 214.7127737,
            "minimum": 27.03277374,
            "name": "Z",
            "position": 2,
            "stddev": 40.82404545,
            "variance": 1666.602687
          },
          {
            "average": 6.557857072,
            "count": 2522829,
            "maximum": 286,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 12.24979167,
            "variance": 150.057396
          },
          {
            "average": 2.057803759,
            "count": 2522829,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.103237567,
            "variance": 1.217133128
          },
          {
            "average": 3.114471096,
            "count": 2522829,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.321885855,
            "variance": 1.747382215
          },
          {
            "average": 1,
            "count": 2522829,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2522829,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.063049854,
            "count": 2522829,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2430526554,
            "variance": 0.05907459329
          },
          {
            "average": 21.62603832,
            "count": 2522829,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.964404199,
            "variance": 48.50292584
          },
          {
            "average": 89.52505342,
            "count": 2522829,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.40707151,
            "variance": 4817.341576
          },
          {
            "average": 6.416912522,
            "count": 2522829,
            "maximum": 15,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.828604713,
            "variance": 14.65821405
          },
          {
            "average": 64011814.71,
            "count": 2522829,
            "maximum": 64014263.51,
            "minimum": 64010744.12,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1139.097761,
            "variance": 1297543.709
          },
          {
            "average": 0,
            "count": 2522829,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2522829,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2522829,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2522829,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2522829,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617643.641,
          2377998.491,
          27.03277374,
          617999.801,
          2378998.491,
          214.7127737
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617643.6410198753,
                2377998.490555181,
                27.032773744349967
              ],
              [
                617643.6410198753,
                2378998.490555181,
                27.032773744349967
              ],
              [
                617999.8010198752,
                2378998.490555181,
                214.71277374435
              ],
              [
                617999.8010198752,
                2377998.490555181,
                214.71277374435
              ],
              [
                617643.6410198753,
                2377998.490555181,
                27.032773744349967
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:31:03+00:00",
        "end_time": "2013-09-23T22:32:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130923_ncmp_hi_oahu_4qfj1778.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130923_ncmp_hi_oahu_4qfj1778.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130923_ncmp_hi_oahu_4qfj1778.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1778.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8642597,
            21.50074879,
            27.03277374,
            -157.8607514,
            21.50980552,
            214.7127737
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86425967442096,
                  21.5007721973265,
                  27.032773744349967
                ],
                [
                  -157.86418952269915,
                  21.509805520433027,
                  27.032773744349967
                ],
                [
                  -157.86075142887057,
                  21.509782098348428,
                  214.71277374435
                ],
                [
                  -157.86082179264395,
                  21.500748786164614,
                  214.71277374435
                ],
                [
                  -157.86425967442096,
                  21.5007721973265,
                  27.032773744349967
                ]
              ]
            ]
          },
          "id": "20130923_ncmp_hi_oahu_4qfj1778.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1778.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:31:03Z",
            "pc:count": 2522829,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617883.0719,
                "count": 2522829,
                "maximum": 617999.801,
                "minimum": 617643.641,
                "name": "X",
                "position": 0,
                "stddev": 78.19175861,
                "variance": 6113.951114
              },
              {
                "average": 2378612.516,
                "count": 2522829,
                "maximum": 2378998.491,
                "minimum": 2377998.491,
                "name": "Y",
                "position": 1,
                "stddev": 226.5064057,
                "variance": 51305.15182
              },
              {
                "average": 110.7789291,
                "count": 2522829,
                "maximum": 214.7127737,
                "minimum": 27.03277374,
                "name": "Z",
                "position": 2,
                "stddev": 40.82404545,
                "variance": 1666.602687
              },
              {
                "average": 6.557857072,
                "count": 2522829,
                "maximum": 286,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 12.24979167,
                "variance": 150.057396
              },
              {
                "average": 2.057803759,
                "count": 2522829,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.103237567,
                "variance": 1.217133128
              },
              {
                "average": 3.114471096,
                "count": 2522829,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.321885855,
                "variance": 1.747382215
              },
              {
                "average": 1,
                "count": 2522829,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2522829,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.063049854,
                "count": 2522829,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2430526554,
                "variance": 0.05907459329
              },
              {
                "average": 21.62603832,
                "count": 2522829,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.964404199,
                "variance": 48.50292584
              },
              {
                "average": 89.52505342,
                "count": 2522829,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.40707151,
                "variance": 4817.341576
              },
              {
                "average": 6.416912522,
                "count": 2522829,
                "maximum": 15,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.828604713,
                "variance": 14.65821405
              },
              {
                "average": 64011814.71,
                "count": 2522829,
                "maximum": 64014263.51,
                "minimum": 64010744.12,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1139.097761,
                "variance": 1297543.709
              },
              {
                "average": 0,
                "count": 2522829,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2522829,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2522829,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2522829,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2522829,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617643.641,
              2377998.491,
              27.03277374,
              617999.801,
              2378998.491,
              214.7127737
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617643.6410198753,
                    2377998.490555181,
                    27.032773744349967
                  ],
                  [
                    617643.6410198753,
                    2378998.490555181,
                    27.032773744349967
                  ],
                  [
                    617999.8010198752,
                    2378998.490555181,
                    214.71277374435
                  ],
                  [
                    617999.8010198752,
                    2377998.490555181,
                    214.71277374435
                  ],
                  [
                    617643.6410198753,
                    2377998.490555181,
                    27.032773744349967
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:31:03+00:00",
            "end_time": "2013-09-23T22:32:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2280.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.822065825857,
              21.51854730524902,
              -34.60688132667238
            ],
            [
              -157.82199300689808,
              21.527580472374076,
              -34.60688132667238
            ],
            [
              -157.8123387608447,
              21.527512035906472,
              -0.866881326672377
            ],
            [
              -157.81241217566668,
              21.51847890051742,
              -0.866881326672377
            ],
            [
              -157.822065825857,
              21.51854730524902,
              -34.60688132667238
            ]
          ]
        ]
      },
      "bbox": [
        -157.8220658,
        21.5184789,
        -34.60688133,
        -157.8123388,
        21.52758047,
        -0.8668813267
      ],
      "properties": {
        "datetime": "2013-09-24T20:11:41Z",
        "pc:count": 6772595,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622351.2035,
            "count": 6772595,
            "maximum": 622999.8226,
            "minimum": 621999.8226,
            "name": "X",
            "position": 0,
            "stddev": 268.0200021,
            "variance": 71834.72152
          },
          {
            "average": 2380462.891,
            "count": 6772595,
            "maximum": 2380998.484,
            "minimum": 2379998.484,
            "name": "Y",
            "position": 1,
            "stddev": 263.4294242,
            "variance": 69395.06154
          },
          {
            "average": -6.318141889,
            "count": 6772595,
            "maximum": -0.8668813267,
            "minimum": -34.60688133,
            "name": "Z",
            "position": 2,
            "stddev": 3.086126597,
            "variance": 9.524177374
          },
          {
            "average": 11.83078096,
            "count": 6772595,
            "maximum": 8481,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 61.16101103,
            "variance": 3740.66927
          },
          {
            "average": 1.017321426,
            "count": 6772595,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1324529947,
            "variance": 0.01754379581
          },
          {
            "average": 1.028229504,
            "count": 6772595,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1681257192,
            "variance": 0.02826625747
          },
          {
            "average": 1,
            "count": 6772595,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6772595,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 6772595,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.51966151,
            "count": 6772595,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.705078947,
            "variance": 22.1377679
          },
          {
            "average": 108.7028245,
            "count": 6772595,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 75.18633837,
            "variance": 5652.985478
          },
          {
            "average": 5.91368124,
            "count": 6772595,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.949175268,
            "variance": 24.49433583
          },
          {
            "average": 63954169.92,
            "count": 6772595,
            "maximum": 64088701.17,
            "minimum": 63653257.44,
            "name": "GpsTime",
            "position": 12,
            "stddev": 159197.3017,
            "variance": 25343780870.0
          },
          {
            "average": 0,
            "count": 6772595,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6772595,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6772595,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6772595,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6772595,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.8226,
          2379998.484,
          -34.60688133,
          622999.8226,
          2380998.484,
          -0.8668813267
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.8225620987,
                2379998.4837831957,
                -34.60688132667238
              ],
              [
                621999.8225620987,
                2380998.4837831957,
                -34.60688132667238
              ],
              [
                622999.8225620987,
                2380998.4837831957,
                -0.866881326672377
              ],
              [
                622999.8225620987,
                2379998.4837831957,
                -0.866881326672377
              ],
              [
                621999.8225620987,
                2379998.4837831957,
                -34.60688132667238
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:11:41+00:00",
        "end_time": "2013-09-19T19:14:17+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2280.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2280.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2280.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2280.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8220658,
            21.5184789,
            -34.60688133,
            -157.8123388,
            21.52758047,
            -0.8668813267
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.822065825857,
                  21.51854730524902,
                  -34.60688132667238
                ],
                [
                  -157.82199300689808,
                  21.527580472374076,
                  -34.60688132667238
                ],
                [
                  -157.8123387608447,
                  21.527512035906472,
                  -0.866881326672377
                ],
                [
                  -157.81241217566668,
                  21.51847890051742,
                  -0.866881326672377
                ],
                [
                  -157.822065825857,
                  21.51854730524902,
                  -34.60688132667238
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2280.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2280.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:11:41Z",
            "pc:count": 6772595,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622351.2035,
                "count": 6772595,
                "maximum": 622999.8226,
                "minimum": 621999.8226,
                "name": "X",
                "position": 0,
                "stddev": 268.0200021,
                "variance": 71834.72152
              },
              {
                "average": 2380462.891,
                "count": 6772595,
                "maximum": 2380998.484,
                "minimum": 2379998.484,
                "name": "Y",
                "position": 1,
                "stddev": 263.4294242,
                "variance": 69395.06154
              },
              {
                "average": -6.318141889,
                "count": 6772595,
                "maximum": -0.8668813267,
                "minimum": -34.60688133,
                "name": "Z",
                "position": 2,
                "stddev": 3.086126597,
                "variance": 9.524177374
              },
              {
                "average": 11.83078096,
                "count": 6772595,
                "maximum": 8481,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 61.16101103,
                "variance": 3740.66927
              },
              {
                "average": 1.017321426,
                "count": 6772595,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1324529947,
                "variance": 0.01754379581
              },
              {
                "average": 1.028229504,
                "count": 6772595,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1681257192,
                "variance": 0.02826625747
              },
              {
                "average": 1,
                "count": 6772595,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6772595,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 6772595,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.51966151,
                "count": 6772595,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.705078947,
                "variance": 22.1377679
              },
              {
                "average": 108.7028245,
                "count": 6772595,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 75.18633837,
                "variance": 5652.985478
              },
              {
                "average": 5.91368124,
                "count": 6772595,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.949175268,
                "variance": 24.49433583
              },
              {
                "average": 63954169.92,
                "count": 6772595,
                "maximum": 64088701.17,
                "minimum": 63653257.44,
                "name": "GpsTime",
                "position": 12,
                "stddev": 159197.3017,
                "variance": 25343780870.0
              },
              {
                "average": 0,
                "count": 6772595,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6772595,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6772595,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6772595,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6772595,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.8226,
              2379998.484,
              -34.60688133,
              622999.8226,
              2380998.484,
              -0.8668813267
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.8225620987,
                    2379998.4837831957,
                    -34.60688132667238
                  ],
                  [
                    621999.8225620987,
                    2380998.4837831957,
                    -34.60688132667238
                  ],
                  [
                    622999.8225620987,
                    2380998.4837831957,
                    -0.866881326672377
                  ],
                  [
                    622999.8225620987,
                    2379998.4837831957,
                    -0.866881326672377
                  ],
                  [
                    621999.8225620987,
                    2379998.4837831957,
                    -34.60688132667238
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:11:41+00:00",
            "end_time": "2013-09-19T19:14:17+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2179.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8317918001687,
              21.509581940675112,
              -5.780910612085069
            ],
            [
              -157.831719612171,
              21.51861514991662,
              -5.780910612085069
            ],
            [
              -157.8220659083779,
              21.518547306851435,
              64.17908938791494
            ],
            [
              -157.82213868946772,
              21.50951412951685,
              64.17908938791494
            ],
            [
              -157.8317918001687,
              21.509581940675112,
              -5.780910612085069
            ]
          ]
        ]
      },
      "bbox": [
        -157.8317918,
        21.50951413,
        -5.780910612,
        -157.8220659,
        21.51861515,
        64.17908939
      ],
      "properties": {
        "datetime": "2013-09-24T20:36:14Z",
        "pc:count": 7567785,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621484.2755,
            "count": 7567785,
            "maximum": 621999.814,
            "minimum": 620999.814,
            "name": "X",
            "position": 0,
            "stddev": 294.9122599,
            "variance": 86973.24102
          },
          {
            "average": 2379475.599,
            "count": 7567785,
            "maximum": 2379998.484,
            "minimum": 2378998.484,
            "name": "Y",
            "position": 1,
            "stddev": 287.2679306,
            "variance": 82522.86394
          },
          {
            "average": -1.446576282,
            "count": 7567785,
            "maximum": 64.17908939,
            "minimum": -5.780910612,
            "name": "Z",
            "position": 2,
            "stddev": 3.706358877,
            "variance": 13.73709613
          },
          {
            "average": 7.47217779,
            "count": 7567785,
            "maximum": 6462,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.53837874,
            "variance": 273.5179712
          },
          {
            "average": 1.017040918,
            "count": 7567785,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1576056873,
            "variance": 0.02483955266
          },
          {
            "average": 1.032217221,
            "count": 7567785,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2392411104,
            "variance": 0.05723630891
          },
          {
            "average": 1,
            "count": 7567785,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7567785,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.26488649,
            "count": 7567785,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.468542244,
            "variance": 19.96786979
          },
          {
            "average": 20.00445774,
            "count": 7567785,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.104547002,
            "variance": 26.0564001
          },
          {
            "average": 88.16815383,
            "count": 7567785,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.49529426,
            "variance": 5111.577102
          },
          {
            "average": 2.562232807,
            "count": 7567785,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.431754586,
            "variance": 2.049921193
          },
          {
            "average": 63858464.63,
            "count": 7567785,
            "maximum": 64090174.82,
            "minimum": 63592010.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 214603.9355,
            "variance": 46054849140.0
          },
          {
            "average": 0,
            "count": 7567785,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7567785,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7567785,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7567785,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7567785,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.814,
          2378998.484,
          -5.780910612,
          621999.814,
          2379998.484,
          64.17908939
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.8140131128,
                2378998.483896115,
                -5.780910612085069
              ],
              [
                620999.8140131128,
                2379998.483896115,
                -5.780910612085069
              ],
              [
                621999.8140131128,
                2379998.483896115,
                64.17908938791494
              ],
              [
                621999.8140131128,
                2378998.483896115,
                64.17908938791494
              ],
              [
                620999.8140131128,
                2378998.483896115,
                -5.780910612085069
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:36:14+00:00",
        "end_time": "2013-09-19T02:13:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2179.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2179.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2179.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2179.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8317918,
            21.50951413,
            -5.780910612,
            -157.8220659,
            21.51861515,
            64.17908939
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8317918001687,
                  21.509581940675112,
                  -5.780910612085069
                ],
                [
                  -157.831719612171,
                  21.51861514991662,
                  -5.780910612085069
                ],
                [
                  -157.8220659083779,
                  21.518547306851435,
                  64.17908938791494
                ],
                [
                  -157.82213868946772,
                  21.50951412951685,
                  64.17908938791494
                ],
                [
                  -157.8317918001687,
                  21.509581940675112,
                  -5.780910612085069
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2179.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2179.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:36:14Z",
            "pc:count": 7567785,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621484.2755,
                "count": 7567785,
                "maximum": 621999.814,
                "minimum": 620999.814,
                "name": "X",
                "position": 0,
                "stddev": 294.9122599,
                "variance": 86973.24102
              },
              {
                "average": 2379475.599,
                "count": 7567785,
                "maximum": 2379998.484,
                "minimum": 2378998.484,
                "name": "Y",
                "position": 1,
                "stddev": 287.2679306,
                "variance": 82522.86394
              },
              {
                "average": -1.446576282,
                "count": 7567785,
                "maximum": 64.17908939,
                "minimum": -5.780910612,
                "name": "Z",
                "position": 2,
                "stddev": 3.706358877,
                "variance": 13.73709613
              },
              {
                "average": 7.47217779,
                "count": 7567785,
                "maximum": 6462,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.53837874,
                "variance": 273.5179712
              },
              {
                "average": 1.017040918,
                "count": 7567785,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1576056873,
                "variance": 0.02483955266
              },
              {
                "average": 1.032217221,
                "count": 7567785,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2392411104,
                "variance": 0.05723630891
              },
              {
                "average": 1,
                "count": 7567785,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7567785,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.26488649,
                "count": 7567785,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.468542244,
                "variance": 19.96786979
              },
              {
                "average": 20.00445774,
                "count": 7567785,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.104547002,
                "variance": 26.0564001
              },
              {
                "average": 88.16815383,
                "count": 7567785,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.49529426,
                "variance": 5111.577102
              },
              {
                "average": 2.562232807,
                "count": 7567785,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.431754586,
                "variance": 2.049921193
              },
              {
                "average": 63858464.63,
                "count": 7567785,
                "maximum": 64090174.82,
                "minimum": 63592010.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 214603.9355,
                "variance": 46054849140.0
              },
              {
                "average": 0,
                "count": 7567785,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7567785,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7567785,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7567785,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7567785,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.814,
              2378998.484,
              -5.780910612,
              621999.814,
              2379998.484,
              64.17908939
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.8140131128,
                    2378998.483896115,
                    -5.780910612085069
                  ],
                  [
                    620999.8140131128,
                    2379998.483896115,
                    -5.780910612085069
                  ],
                  [
                    621999.8140131128,
                    2379998.483896115,
                    64.17908938791494
                  ],
                  [
                    621999.8140131128,
                    2378998.483896115,
                    64.17908938791494
                  ],
                  [
                    620999.8140131128,
                    2378998.483896115,
                    -5.780910612085069
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:36:14+00:00",
            "end_time": "2013-09-19T02:13:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1656.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8816401078741,
              21.302142241278926,
              -13.956301545247943
            ],
            [
              -157.88157172663,
              21.311175833087297,
              -13.956301545247943
            ],
            [
              -157.87193128545854,
              21.31111148298871,
              71.14369845475207
            ],
            [
              -157.87200025639083,
              21.3020779207315,
              71.14369845475207
            ],
            [
              -157.8816401078741,
              21.302142241278926,
              -13.956301545247943
            ]
          ]
        ]
      },
      "bbox": [
        -157.8816401,
        21.30207792,
        -13.95630155,
        -157.8719313,
        21.31117583,
        71.14369845
      ],
      "properties": {
        "datetime": "2013-09-17T12:44:59Z",
        "pc:count": 13239982,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616465.14,
            "count": 13239982,
            "maximum": 616999.7799,
            "minimum": 615999.7599,
            "name": "X",
            "position": 0,
            "stddev": 280.0330652,
            "variance": 78418.51761
          },
          {
            "average": 2356352.302,
            "count": 13239982,
            "maximum": 2356998.444,
            "minimum": 2355998.444,
            "name": "Y",
            "position": 1,
            "stddev": 228.9892088,
            "variance": 52436.05775
          },
          {
            "average": 4.916038453,
            "count": 13239982,
            "maximum": 71.14369845,
            "minimum": -13.95630155,
            "name": "Z",
            "position": 2,
            "stddev": 3.84576158,
            "variance": 14.78988213
          },
          {
            "average": 30.63004315,
            "count": 13239982,
            "maximum": 1032,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 57.90675821,
            "variance": 3353.192647
          },
          {
            "average": 1.249085913,
            "count": 13239982,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6100439155,
            "variance": 0.3721535788
          },
          {
            "average": 1.477541057,
            "count": 13239982,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9112104336,
            "variance": 0.8303044543
          },
          {
            "average": 1,
            "count": 13239982,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13239982,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.285550766,
            "count": 13239982,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.002027241,
            "variance": 4.008113073
          },
          {
            "average": 7.137419336,
            "count": 13239982,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.79159151,
            "variance": 95.87526429
          },
          {
            "average": 92.88049009,
            "count": 13239982,
            "maximum": 255,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.62618787,
            "variance": 4176.544158
          },
          {
            "average": 8.301131905,
            "count": 13239982,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.510896864,
            "variance": 20.34819052
          },
          {
            "average": 63365360.44,
            "count": 13239982,
            "maximum": 63457099.12,
            "minimum": 63278513.06,
            "name": "GpsTime",
            "position": 12,
            "stddev": 66573.2446,
            "variance": 4431996897
          },
          {
            "average": 0,
            "count": 13239982,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13239982,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13239982,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13239982,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13239982,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7599,
          2355998.444,
          -13.95630155,
          616999.7799,
          2356998.444,
          71.14369845
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.7599129758,
                2355998.4439272676,
                -13.956301545247943
              ],
              [
                615999.7599129758,
                2356998.4439272676,
                -13.956301545247943
              ],
              [
                616999.7799129758,
                2356998.4439272676,
                71.14369845475207
              ],
              [
                616999.7799129758,
                2355998.4439272676,
                71.14369845475207
              ],
              [
                615999.7599129758,
                2355998.4439272676,
                -13.956301545247943
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:44:59+00:00",
        "end_time": "2013-09-15T11:08:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1656.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1656.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1656.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1656.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8816401,
            21.30207792,
            -13.95630155,
            -157.8719313,
            21.31117583,
            71.14369845
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8816401078741,
                  21.302142241278926,
                  -13.956301545247943
                ],
                [
                  -157.88157172663,
                  21.311175833087297,
                  -13.956301545247943
                ],
                [
                  -157.87193128545854,
                  21.31111148298871,
                  71.14369845475207
                ],
                [
                  -157.87200025639083,
                  21.3020779207315,
                  71.14369845475207
                ],
                [
                  -157.8816401078741,
                  21.302142241278926,
                  -13.956301545247943
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1656.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1656.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:44:59Z",
            "pc:count": 13239982,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616465.14,
                "count": 13239982,
                "maximum": 616999.7799,
                "minimum": 615999.7599,
                "name": "X",
                "position": 0,
                "stddev": 280.0330652,
                "variance": 78418.51761
              },
              {
                "average": 2356352.302,
                "count": 13239982,
                "maximum": 2356998.444,
                "minimum": 2355998.444,
                "name": "Y",
                "position": 1,
                "stddev": 228.9892088,
                "variance": 52436.05775
              },
              {
                "average": 4.916038453,
                "count": 13239982,
                "maximum": 71.14369845,
                "minimum": -13.95630155,
                "name": "Z",
                "position": 2,
                "stddev": 3.84576158,
                "variance": 14.78988213
              },
              {
                "average": 30.63004315,
                "count": 13239982,
                "maximum": 1032,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 57.90675821,
                "variance": 3353.192647
              },
              {
                "average": 1.249085913,
                "count": 13239982,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6100439155,
                "variance": 0.3721535788
              },
              {
                "average": 1.477541057,
                "count": 13239982,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9112104336,
                "variance": 0.8303044543
              },
              {
                "average": 1,
                "count": 13239982,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13239982,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.285550766,
                "count": 13239982,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.002027241,
                "variance": 4.008113073
              },
              {
                "average": 7.137419336,
                "count": 13239982,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.79159151,
                "variance": 95.87526429
              },
              {
                "average": 92.88049009,
                "count": 13239982,
                "maximum": 255,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.62618787,
                "variance": 4176.544158
              },
              {
                "average": 8.301131905,
                "count": 13239982,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.510896864,
                "variance": 20.34819052
              },
              {
                "average": 63365360.44,
                "count": 13239982,
                "maximum": 63457099.12,
                "minimum": 63278513.06,
                "name": "GpsTime",
                "position": 12,
                "stddev": 66573.2446,
                "variance": 4431996897
              },
              {
                "average": 0,
                "count": 13239982,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13239982,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13239982,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13239982,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13239982,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7599,
              2355998.444,
              -13.95630155,
              616999.7799,
              2356998.444,
              71.14369845
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.7599129758,
                    2355998.4439272676,
                    -13.956301545247943
                  ],
                  [
                    615999.7599129758,
                    2356998.4439272676,
                    -13.956301545247943
                  ],
                  [
                    616999.7799129758,
                    2356998.4439272676,
                    71.14369845475207
                  ],
                  [
                    616999.7799129758,
                    2355998.4439272676,
                    71.14369845475207
                  ],
                  [
                    615999.7599129758,
                    2355998.4439272676,
                    -13.956301545247943
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:44:59+00:00",
            "end_time": "2013-09-15T11:08:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2077.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84158814540834,
              21.491582594870252,
              -13.286888694279412
            ],
            [
              -157.841516627492,
              21.50061603566213,
              -13.286888694279412
            ],
            [
              -157.83186428419694,
              21.500548811582675,
              0.613111305720589
            ],
            [
              -157.8319363971278,
              21.49151540204062,
              0.613111305720589
            ],
            [
              -157.84158814540834,
              21.491582594870252,
              -13.286888694279412
            ]
          ]
        ]
      },
      "bbox": [
        -157.8415881,
        21.4915154,
        -13.28688869,
        -157.8318643,
        21.50061604,
        0.6131113057
      ],
      "properties": {
        "datetime": "2013-09-24T20:06:04Z",
        "pc:count": 4554125,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620338.1142,
            "count": 4554125,
            "maximum": 620999.7793,
            "minimum": 619999.7993,
            "name": "X",
            "position": 0,
            "stddev": 232.0983254,
            "variance": 53869.63264
          },
          {
            "average": 2377594.335,
            "count": 4554125,
            "maximum": 2377998.494,
            "minimum": 2376998.474,
            "name": "Y",
            "position": 1,
            "stddev": 238.6813221,
            "variance": 56968.77353
          },
          {
            "average": -0.6423490846,
            "count": 4554125,
            "maximum": 0.6131113057,
            "minimum": -13.28688869,
            "name": "Z",
            "position": 2,
            "stddev": 1.054760156,
            "variance": 1.112518988
          },
          {
            "average": 2.553944171,
            "count": 4554125,
            "maximum": 6831,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 10.46351986,
            "variance": 109.4852478
          },
          {
            "average": 1.017961738,
            "count": 4554125,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1333436467,
            "variance": 0.01778052812
          },
          {
            "average": 1.032897867,
            "count": 4554125,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1794175279,
            "variance": 0.03219064931
          },
          {
            "average": 1,
            "count": 4554125,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4554125,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4554125,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.19185273,
            "count": 4554125,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.630300771,
            "variance": 13.17908369
          },
          {
            "average": 90.50898647,
            "count": 4554125,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 73.81578142,
            "variance": 5448.769587
          },
          {
            "average": 5.430557132,
            "count": 4554125,
            "maximum": 19,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.859613722,
            "variance": 34.33507297
          },
          {
            "average": 63906189.29,
            "count": 4554125,
            "maximum": 64088364.48,
            "minimum": 63656961.19,
            "name": "GpsTime",
            "position": 12,
            "stddev": 171064.4895,
            "variance": 29263059560.0
          },
          {
            "average": 0,
            "count": 4554125,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4554125,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4554125,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4554125,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4554125,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.7993,
          2376998.474,
          -13.28688869,
          620999.7793,
          2377998.494,
          0.6131113057
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.799309286,
                2376998.473596492,
                -13.286888694279412
              ],
              [
                619999.799309286,
                2377998.4935964914,
                -13.286888694279412
              ],
              [
                620999.779309286,
                2377998.4935964914,
                0.613111305720589
              ],
              [
                620999.779309286,
                2376998.473596492,
                0.613111305720589
              ],
              [
                619999.799309286,
                2376998.473596492,
                -13.286888694279412
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:06:04+00:00",
        "end_time": "2013-09-19T20:16:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2077.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2077.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2077.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2077.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8415881,
            21.4915154,
            -13.28688869,
            -157.8318643,
            21.50061604,
            0.6131113057
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84158814540834,
                  21.491582594870252,
                  -13.286888694279412
                ],
                [
                  -157.841516627492,
                  21.50061603566213,
                  -13.286888694279412
                ],
                [
                  -157.83186428419694,
                  21.500548811582675,
                  0.613111305720589
                ],
                [
                  -157.8319363971278,
                  21.49151540204062,
                  0.613111305720589
                ],
                [
                  -157.84158814540834,
                  21.491582594870252,
                  -13.286888694279412
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2077.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2077.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:06:04Z",
            "pc:count": 4554125,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620338.1142,
                "count": 4554125,
                "maximum": 620999.7793,
                "minimum": 619999.7993,
                "name": "X",
                "position": 0,
                "stddev": 232.0983254,
                "variance": 53869.63264
              },
              {
                "average": 2377594.335,
                "count": 4554125,
                "maximum": 2377998.494,
                "minimum": 2376998.474,
                "name": "Y",
                "position": 1,
                "stddev": 238.6813221,
                "variance": 56968.77353
              },
              {
                "average": -0.6423490846,
                "count": 4554125,
                "maximum": 0.6131113057,
                "minimum": -13.28688869,
                "name": "Z",
                "position": 2,
                "stddev": 1.054760156,
                "variance": 1.112518988
              },
              {
                "average": 2.553944171,
                "count": 4554125,
                "maximum": 6831,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 10.46351986,
                "variance": 109.4852478
              },
              {
                "average": 1.017961738,
                "count": 4554125,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1333436467,
                "variance": 0.01778052812
              },
              {
                "average": 1.032897867,
                "count": 4554125,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1794175279,
                "variance": 0.03219064931
              },
              {
                "average": 1,
                "count": 4554125,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4554125,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4554125,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.19185273,
                "count": 4554125,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.630300771,
                "variance": 13.17908369
              },
              {
                "average": 90.50898647,
                "count": 4554125,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 73.81578142,
                "variance": 5448.769587
              },
              {
                "average": 5.430557132,
                "count": 4554125,
                "maximum": 19,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.859613722,
                "variance": 34.33507297
              },
              {
                "average": 63906189.29,
                "count": 4554125,
                "maximum": 64088364.48,
                "minimum": 63656961.19,
                "name": "GpsTime",
                "position": 12,
                "stddev": 171064.4895,
                "variance": 29263059560.0
              },
              {
                "average": 0,
                "count": 4554125,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4554125,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4554125,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4554125,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4554125,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.7993,
              2376998.474,
              -13.28688869,
              620999.7793,
              2377998.494,
              0.6131113057
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.799309286,
                    2376998.473596492,
                    -13.286888694279412
                  ],
                  [
                    619999.799309286,
                    2377998.4935964914,
                    -13.286888694279412
                  ],
                  [
                    620999.779309286,
                    2377998.4935964914,
                    0.613111305720589
                  ],
                  [
                    620999.779309286,
                    2376998.473596492,
                    0.613111305720589
                  ],
                  [
                    619999.799309286,
                    2376998.473596492,
                    -13.286888694279412
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:06:04+00:00",
            "end_time": "2013-09-19T20:16:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1878.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86082194580766,
              21.500748640987936,
              -0.264611444345093
            ],
            [
              -157.86075158063662,
              21.509782133838527,
              -0.264611444345093
            ],
            [
              -157.8510981834657,
              21.509715991453064,
              213.4153885556549
            ],
            [
              -157.85116914401917,
              21.500682529422356,
              213.4153885556549
            ],
            [
              -157.86082194580766,
              21.500748640987936,
              -0.264611444345093
            ]
          ]
        ]
      },
      "bbox": [
        -157.8608219,
        21.50068253,
        -0.2646114443,
        -157.8510982,
        21.50978213,
        213.4153886
      ],
      "properties": {
        "datetime": "2013-09-23T23:46:47Z",
        "pc:count": 8036409,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618486.1159,
            "count": 8036409,
            "maximum": 618999.8053,
            "minimum": 617999.7853,
            "name": "X",
            "position": 0,
            "stddev": 316.8376579,
            "variance": 100386.1015
          },
          {
            "average": 2378514.034,
            "count": 8036409,
            "maximum": 2378998.494,
            "minimum": 2377998.474,
            "name": "Y",
            "position": 1,
            "stddev": 310.3393035,
            "variance": 96310.48328
          },
          {
            "average": 44.41372302,
            "count": 8036409,
            "maximum": 213.4153886,
            "minimum": -0.2646114443,
            "name": "Z",
            "position": 2,
            "stddev": 44.52393758,
            "variance": 1982.381018
          },
          {
            "average": 10.69826212,
            "count": 8036409,
            "maximum": 8382,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.68916679,
            "variance": 349.2849552
          },
          {
            "average": 1.673961965,
            "count": 8036409,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9695768334,
            "variance": 0.9400792358
          },
          {
            "average": 2.34857086,
            "count": 8036409,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.355389458,
            "variance": 1.837080582
          },
          {
            "average": 1,
            "count": 8036409,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8036409,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.641562668,
            "count": 8036409,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.821302889,
            "variance": 14.60235577
          },
          {
            "average": 20.46173049,
            "count": 8036409,
            "maximum": 34.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.704919177,
            "variance": 13.72642611
          },
          {
            "average": 91.41503836,
            "count": 8036409,
            "maximum": 199,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.62655272,
            "variance": 4573.350633
          },
          {
            "average": 10.95108972,
            "count": 8036409,
            "maximum": 19,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.055288413,
            "variance": 25.55594094
          },
          {
            "average": 63983056.59,
            "count": 8036409,
            "maximum": 64015207.1,
            "minimum": 63828698.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 68043.68564,
            "variance": 4629943155
          },
          {
            "average": 0,
            "count": 8036409,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8036409,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8036409,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8036409,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8036409,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.7853,
          2377998.474,
          -0.2646114443,
          618999.8053,
          2378998.494,
          213.4153886
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.7852702646,
                2377998.4743691557,
                -0.264611444345093
              ],
              [
                617999.7852702646,
                2378998.4943691553,
                -0.264611444345093
              ],
              [
                618999.8052702646,
                2378998.4943691553,
                213.4153885556549
              ],
              [
                618999.8052702646,
                2377998.4743691557,
                213.4153885556549
              ],
              [
                617999.7852702646,
                2377998.4743691557,
                -0.264611444345093
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:46:47+00:00",
        "end_time": "2013-09-21T19:58:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1878.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1878.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1878.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1878.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8608219,
            21.50068253,
            -0.2646114443,
            -157.8510982,
            21.50978213,
            213.4153886
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86082194580766,
                  21.500748640987936,
                  -0.264611444345093
                ],
                [
                  -157.86075158063662,
                  21.509782133838527,
                  -0.264611444345093
                ],
                [
                  -157.8510981834657,
                  21.509715991453064,
                  213.4153885556549
                ],
                [
                  -157.85116914401917,
                  21.500682529422356,
                  213.4153885556549
                ],
                [
                  -157.86082194580766,
                  21.500748640987936,
                  -0.264611444345093
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1878.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1878.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:46:47Z",
            "pc:count": 8036409,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618486.1159,
                "count": 8036409,
                "maximum": 618999.8053,
                "minimum": 617999.7853,
                "name": "X",
                "position": 0,
                "stddev": 316.8376579,
                "variance": 100386.1015
              },
              {
                "average": 2378514.034,
                "count": 8036409,
                "maximum": 2378998.494,
                "minimum": 2377998.474,
                "name": "Y",
                "position": 1,
                "stddev": 310.3393035,
                "variance": 96310.48328
              },
              {
                "average": 44.41372302,
                "count": 8036409,
                "maximum": 213.4153886,
                "minimum": -0.2646114443,
                "name": "Z",
                "position": 2,
                "stddev": 44.52393758,
                "variance": 1982.381018
              },
              {
                "average": 10.69826212,
                "count": 8036409,
                "maximum": 8382,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.68916679,
                "variance": 349.2849552
              },
              {
                "average": 1.673961965,
                "count": 8036409,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9695768334,
                "variance": 0.9400792358
              },
              {
                "average": 2.34857086,
                "count": 8036409,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.355389458,
                "variance": 1.837080582
              },
              {
                "average": 1,
                "count": 8036409,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8036409,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.641562668,
                "count": 8036409,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.821302889,
                "variance": 14.60235577
              },
              {
                "average": 20.46173049,
                "count": 8036409,
                "maximum": 34.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.704919177,
                "variance": 13.72642611
              },
              {
                "average": 91.41503836,
                "count": 8036409,
                "maximum": 199,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.62655272,
                "variance": 4573.350633
              },
              {
                "average": 10.95108972,
                "count": 8036409,
                "maximum": 19,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.055288413,
                "variance": 25.55594094
              },
              {
                "average": 63983056.59,
                "count": 8036409,
                "maximum": 64015207.1,
                "minimum": 63828698.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 68043.68564,
                "variance": 4629943155
              },
              {
                "average": 0,
                "count": 8036409,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8036409,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8036409,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8036409,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8036409,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.7853,
              2377998.474,
              -0.2646114443,
              618999.8053,
              2378998.494,
              213.4153886
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.7852702646,
                    2377998.4743691557,
                    -0.264611444345093
                  ],
                  [
                    617999.7852702646,
                    2378998.4943691553,
                    -0.264611444345093
                  ],
                  [
                    618999.8052702646,
                    2378998.4943691553,
                    213.4153885556549
                  ],
                  [
                    618999.8052702646,
                    2377998.4743691557,
                    213.4153885556549
                  ],
                  [
                    617999.7852702646,
                    2377998.4743691557,
                    -0.264611444345093
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:46:47+00:00",
            "end_time": "2013-09-21T19:58:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj1976.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85131104793308,
              21.482615890621634,
              -4.680166590609758
            ],
            [
              -157.8512401627996,
              21.491649372226746,
              -4.680166590609758
            ],
            [
              -157.84158818516585,
              21.49158273541449,
              46.77983340939024
            ],
            [
              -157.8416596651207,
              21.482549284823587,
              46.77983340939024
            ],
            [
              -157.85131104793308,
              21.482615890621634,
              -4.680166590609758
            ]
          ]
        ]
      },
      "bbox": [
        -157.851311,
        21.48254928,
        -4.680166591,
        -157.8415882,
        21.49164937,
        46.77983341
      ],
      "properties": {
        "datetime": "2013-09-24T19:52:24Z",
        "pc:count": 7372970,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619382.2304,
            "count": 7372970,
            "maximum": 619999.7951,
            "minimum": 618999.7951,
            "name": "X",
            "position": 0,
            "stddev": 288.1616148,
            "variance": 83037.11624
          },
          {
            "average": 2376376.907,
            "count": 7372970,
            "maximum": 2376998.489,
            "minimum": 2375998.469,
            "name": "Y",
            "position": 1,
            "stddev": 306.5038158,
            "variance": 93944.58912
          },
          {
            "average": 8.562637528,
            "count": 7372970,
            "maximum": 46.77983341,
            "minimum": -4.680166591,
            "name": "Z",
            "position": 2,
            "stddev": 6.920748955,
            "variance": 47.8967661
          },
          {
            "average": 9.986960207,
            "count": 7372970,
            "maximum": 2286,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 17.77693738,
            "variance": 316.0195026
          },
          {
            "average": 1.584531878,
            "count": 7372970,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9285679975,
            "variance": 0.862238526
          },
          {
            "average": 2.170390765,
            "count": 7372970,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.339991059,
            "variance": 1.795576038
          },
          {
            "average": 1,
            "count": 7372970,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7372970,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.14647625,
            "count": 7372970,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.715195517,
            "variance": 75.9546329
          },
          {
            "average": 20.77846349,
            "count": 7372970,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.841017131,
            "variance": 14.7534126
          },
          {
            "average": 91.48829441,
            "count": 7372970,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.75677911,
            "variance": 4590.981116
          },
          {
            "average": 4.878612282,
            "count": 7372970,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.326332995,
            "variance": 5.411825202
          },
          {
            "average": 63885376.92,
            "count": 7372970,
            "maximum": 64087544.2,
            "minimum": 63741117.74,
            "name": "GpsTime",
            "position": 12,
            "stddev": 131488.293,
            "variance": 17289171180.0
          },
          {
            "average": 0,
            "count": 7372970,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7372970,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7372970,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7372970,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7372970,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.7951,
          2375998.469,
          -4.680166591,
          619999.7951,
          2376998.489,
          46.77983341
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.7950751521,
                2375998.4691236475,
                -4.680166590609758
              ],
              [
                618999.7950751521,
                2376998.489123647,
                -4.680166590609758
              ],
              [
                619999.7950751521,
                2376998.489123647,
                46.77983340939024
              ],
              [
                619999.7950751521,
                2375998.4691236475,
                46.77983340939024
              ],
              [
                618999.7950751521,
                2375998.4691236475,
                -4.680166590609758
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T19:52:24+00:00",
        "end_time": "2013-09-20T19:38:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj1976.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj1976.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj1976.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1976.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.851311,
            21.48254928,
            -4.680166591,
            -157.8415882,
            21.49164937,
            46.77983341
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85131104793308,
                  21.482615890621634,
                  -4.680166590609758
                ],
                [
                  -157.8512401627996,
                  21.491649372226746,
                  -4.680166590609758
                ],
                [
                  -157.84158818516585,
                  21.49158273541449,
                  46.77983340939024
                ],
                [
                  -157.8416596651207,
                  21.482549284823587,
                  46.77983340939024
                ],
                [
                  -157.85131104793308,
                  21.482615890621634,
                  -4.680166590609758
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj1976.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj1976.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T19:52:24Z",
            "pc:count": 7372970,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619382.2304,
                "count": 7372970,
                "maximum": 619999.7951,
                "minimum": 618999.7951,
                "name": "X",
                "position": 0,
                "stddev": 288.1616148,
                "variance": 83037.11624
              },
              {
                "average": 2376376.907,
                "count": 7372970,
                "maximum": 2376998.489,
                "minimum": 2375998.469,
                "name": "Y",
                "position": 1,
                "stddev": 306.5038158,
                "variance": 93944.58912
              },
              {
                "average": 8.562637528,
                "count": 7372970,
                "maximum": 46.77983341,
                "minimum": -4.680166591,
                "name": "Z",
                "position": 2,
                "stddev": 6.920748955,
                "variance": 47.8967661
              },
              {
                "average": 9.986960207,
                "count": 7372970,
                "maximum": 2286,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 17.77693738,
                "variance": 316.0195026
              },
              {
                "average": 1.584531878,
                "count": 7372970,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9285679975,
                "variance": 0.862238526
              },
              {
                "average": 2.170390765,
                "count": 7372970,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.339991059,
                "variance": 1.795576038
              },
              {
                "average": 1,
                "count": 7372970,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7372970,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.14647625,
                "count": 7372970,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.715195517,
                "variance": 75.9546329
              },
              {
                "average": 20.77846349,
                "count": 7372970,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.841017131,
                "variance": 14.7534126
              },
              {
                "average": 91.48829441,
                "count": 7372970,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.75677911,
                "variance": 4590.981116
              },
              {
                "average": 4.878612282,
                "count": 7372970,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.326332995,
                "variance": 5.411825202
              },
              {
                "average": 63885376.92,
                "count": 7372970,
                "maximum": 64087544.2,
                "minimum": 63741117.74,
                "name": "GpsTime",
                "position": 12,
                "stddev": 131488.293,
                "variance": 17289171180.0
              },
              {
                "average": 0,
                "count": 7372970,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7372970,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7372970,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7372970,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7372970,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.7951,
              2375998.469,
              -4.680166591,
              619999.7951,
              2376998.489,
              46.77983341
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.7950751521,
                    2375998.4691236475,
                    -4.680166590609758
                  ],
                  [
                    618999.7950751521,
                    2376998.489123647,
                    -4.680166590609758
                  ],
                  [
                    619999.7950751521,
                    2376998.489123647,
                    46.77983340939024
                  ],
                  [
                    619999.7950751521,
                    2375998.4691236475,
                    46.77983340939024
                  ],
                  [
                    618999.7950751521,
                    2375998.4691236475,
                    -4.680166590609758
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T19:52:24+00:00",
            "end_time": "2013-09-20T19:38:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2281.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82199305684432,
              21.52758043329657,
              -43.42908419772499
            ],
            [
              -157.82193187517336,
              21.53516611859324,
              -43.42908419772499
            ],
            [
              -157.812277128173,
              21.535097655539285,
              -5.329084197724992
            ],
            [
              -157.81233881079334,
              21.527511996831972,
              -5.329084197724992
            ],
            [
              -157.82199305684432,
              21.52758043329657,
              -43.42908419772499
            ]
          ]
        ]
      },
      "bbox": [
        -157.8219931,
        21.527512,
        -43.4290842,
        -157.8122771,
        21.53516612,
        -5.329084198
      ],
      "properties": {
        "datetime": "2013-09-24T19:44:09Z",
        "pc:count": 669696,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622238.1447,
            "count": 669696,
            "maximum": 622999.8174,
            "minimum": 621999.8174,
            "name": "X",
            "position": 0,
            "stddev": 263.5742165,
            "variance": 69471.36762
          },
          {
            "average": 2381257.247,
            "count": 669696,
            "maximum": 2381838.239,
            "minimum": 2380998.479,
            "name": "Y",
            "position": 1,
            "stddev": 202.5851768,
            "variance": 41040.75385
          },
          {
            "average": -14.17309978,
            "count": 669696,
            "maximum": -5.329084198,
            "minimum": -43.4290842,
            "name": "Z",
            "position": 2,
            "stddev": 9.972798805,
            "variance": 99.456716
          },
          {
            "average": 152.4112523,
            "count": 669696,
            "maximum": 4165,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 375.4313442,
            "variance": 140948.6942
          },
          {
            "average": 1.001733622,
            "count": 669696,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04248859153,
            "variance": 0.00180528041
          },
          {
            "average": 1.002339868,
            "count": 669696,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05013563796,
            "variance": 0.002513582194
          },
          {
            "average": 1,
            "count": 669696,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 669696,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 669696,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.43298552,
            "count": 669696,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.302339957,
            "variance": 53.32416884
          },
          {
            "average": 157.410531,
            "count": 669696,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 85.38931999,
            "variance": 7291.335968
          },
          {
            "average": 3.905155474,
            "count": 669696,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.525722417,
            "variance": 30.53360822
          },
          {
            "average": 63883435.52,
            "count": 669696,
            "maximum": 64087049.69,
            "minimum": 63762858.93,
            "name": "GpsTime",
            "position": 12,
            "stddev": 115532.8485,
            "variance": 13347839070.0
          },
          {
            "average": 0,
            "count": 669696,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 669696,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 669696,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 669696,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 669696,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.8174,
          2380998.479,
          -43.4290842,
          622999.8174,
          2381838.239,
          -5.329084198
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.8174215404,
                2380998.4794184044,
                -43.42908419772499
              ],
              [
                621999.8174215404,
                2381838.239418404,
                -43.42908419772499
              ],
              [
                622999.8174215404,
                2381838.239418404,
                -5.329084197724992
              ],
              [
                622999.8174215404,
                2380998.4794184044,
                -5.329084197724992
              ],
              [
                621999.8174215404,
                2380998.4794184044,
                -43.42908419772499
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T19:44:09+00:00",
        "end_time": "2013-09-21T01:40:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2281.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2281.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2281.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2281.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8219931,
            21.527512,
            -43.4290842,
            -157.8122771,
            21.53516612,
            -5.329084198
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82199305684432,
                  21.52758043329657,
                  -43.42908419772499
                ],
                [
                  -157.82193187517336,
                  21.53516611859324,
                  -43.42908419772499
                ],
                [
                  -157.812277128173,
                  21.535097655539285,
                  -5.329084197724992
                ],
                [
                  -157.81233881079334,
                  21.527511996831972,
                  -5.329084197724992
                ],
                [
                  -157.82199305684432,
                  21.52758043329657,
                  -43.42908419772499
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2281.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2281.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T19:44:09Z",
            "pc:count": 669696,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622238.1447,
                "count": 669696,
                "maximum": 622999.8174,
                "minimum": 621999.8174,
                "name": "X",
                "position": 0,
                "stddev": 263.5742165,
                "variance": 69471.36762
              },
              {
                "average": 2381257.247,
                "count": 669696,
                "maximum": 2381838.239,
                "minimum": 2380998.479,
                "name": "Y",
                "position": 1,
                "stddev": 202.5851768,
                "variance": 41040.75385
              },
              {
                "average": -14.17309978,
                "count": 669696,
                "maximum": -5.329084198,
                "minimum": -43.4290842,
                "name": "Z",
                "position": 2,
                "stddev": 9.972798805,
                "variance": 99.456716
              },
              {
                "average": 152.4112523,
                "count": 669696,
                "maximum": 4165,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 375.4313442,
                "variance": 140948.6942
              },
              {
                "average": 1.001733622,
                "count": 669696,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04248859153,
                "variance": 0.00180528041
              },
              {
                "average": 1.002339868,
                "count": 669696,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05013563796,
                "variance": 0.002513582194
              },
              {
                "average": 1,
                "count": 669696,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 669696,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 669696,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.43298552,
                "count": 669696,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.302339957,
                "variance": 53.32416884
              },
              {
                "average": 157.410531,
                "count": 669696,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 85.38931999,
                "variance": 7291.335968
              },
              {
                "average": 3.905155474,
                "count": 669696,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.525722417,
                "variance": 30.53360822
              },
              {
                "average": 63883435.52,
                "count": 669696,
                "maximum": 64087049.69,
                "minimum": 63762858.93,
                "name": "GpsTime",
                "position": 12,
                "stddev": 115532.8485,
                "variance": 13347839070.0
              },
              {
                "average": 0,
                "count": 669696,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 669696,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 669696,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 669696,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 669696,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.8174,
              2380998.479,
              -43.4290842,
              622999.8174,
              2381838.239,
              -5.329084198
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.8174215404,
                    2380998.4794184044,
                    -43.42908419772499
                  ],
                  [
                    621999.8174215404,
                    2381838.239418404,
                    -43.42908419772499
                  ],
                  [
                    622999.8174215404,
                    2381838.239418404,
                    -5.329084197724992
                  ],
                  [
                    622999.8174215404,
                    2380998.4794184044,
                    -5.329084197724992
                  ],
                  [
                    621999.8174215404,
                    2380998.4794184044,
                    -43.42908419772499
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T19:44:09+00:00",
            "end_time": "2013-09-21T01:40:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130923_ncmp_hi_oahu_4qfj1779.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86868142970033,
              21.50983598662638,
              37.71781628671141
            ],
            [
              -157.8686261380187,
              21.516980626874258,
              37.71781628671141
            ],
            [
              -157.8606958101637,
              21.516926690753944,
              213.7778162867114
            ],
            [
              -157.86075148881872,
              21.509782070406537,
              213.7778162867114
            ],
            [
              -157.86868142970033,
              21.50983598662638,
              37.71781628671141
            ]
          ]
        ]
      },
      "bbox": [
        -157.8686814,
        21.50978207,
        37.71781629,
        -157.8606958,
        21.51698063,
        213.7778163
      ],
      "properties": {
        "datetime": "2013-09-23T23:46:30Z",
        "pc:count": 4996448,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617684.7703,
            "count": 4996448,
            "maximum": 617999.7948,
            "minimum": 617178.3148,
            "name": "X",
            "position": 0,
            "stddev": 177.430161,
            "variance": 31481.46204
          },
          {
            "average": 2379356.91,
            "count": 4996448,
            "maximum": 2379789.407,
            "minimum": 2378998.487,
            "name": "Y",
            "position": 1,
            "stddev": 176.0198851,
            "variance": 30982.99995
          },
          {
            "average": 109.2198684,
            "count": 4996448,
            "maximum": 213.7778163,
            "minimum": 37.71781629,
            "name": "Z",
            "position": 2,
            "stddev": 33.69156786,
            "variance": 1135.121745
          },
          {
            "average": 8.758073535,
            "count": 4996448,
            "maximum": 300,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.90589549,
            "variance": 285.8093023
          },
          {
            "average": 1.90661666,
            "count": 4996448,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.053657464,
            "variance": 1.110194051
          },
          {
            "average": 2.813842354,
            "count": 4996448,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.346441978,
            "variance": 1.812906
          },
          {
            "average": 1,
            "count": 4996448,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4996448,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.067871616,
            "count": 4996448,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2515254906,
            "variance": 0.0632650724
          },
          {
            "average": 20.69027736,
            "count": 4996448,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.328542012,
            "variance": 28.39335997
          },
          {
            "average": 89.41161601,
            "count": 4996448,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.01875343,
            "variance": 4763.588325
          },
          {
            "average": 14.29175086,
            "count": 4996448,
            "maximum": 19,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.682073544,
            "variance": 13.55766558
          },
          {
            "average": 64014027,
            "count": 4996448,
            "maximum": 64015190.2,
            "minimum": 64012053.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 965.6451948,
            "variance": 932470.6423
          },
          {
            "average": 0,
            "count": 4996448,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4996448,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4996448,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4996448,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4996448,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617178.3148,
          2378998.487,
          37.71781629,
          617999.7948,
          2379789.407,
          213.7778163
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617178.3148325853,
                2378998.487416862,
                37.71781628671141
              ],
              [
                617178.3148325853,
                2379789.407416862,
                37.71781628671141
              ],
              [
                617999.7948325853,
                2379789.407416862,
                213.7778162867114
              ],
              [
                617999.7948325853,
                2378998.487416862,
                213.7778162867114
              ],
              [
                617178.3148325853,
                2378998.487416862,
                37.71781628671141
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:46:30+00:00",
        "end_time": "2013-09-23T22:54:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130923_ncmp_hi_oahu_4qfj1779.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130923_ncmp_hi_oahu_4qfj1779.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130923_ncmp_hi_oahu_4qfj1779.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1779.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8686814,
            21.50978207,
            37.71781629,
            -157.8606958,
            21.51698063,
            213.7778163
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86868142970033,
                  21.50983598662638,
                  37.71781628671141
                ],
                [
                  -157.8686261380187,
                  21.516980626874258,
                  37.71781628671141
                ],
                [
                  -157.8606958101637,
                  21.516926690753944,
                  213.7778162867114
                ],
                [
                  -157.86075148881872,
                  21.509782070406537,
                  213.7778162867114
                ],
                [
                  -157.86868142970033,
                  21.50983598662638,
                  37.71781628671141
                ]
              ]
            ]
          },
          "id": "20130923_ncmp_hi_oahu_4qfj1779.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1779.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:46:30Z",
            "pc:count": 4996448,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617684.7703,
                "count": 4996448,
                "maximum": 617999.7948,
                "minimum": 617178.3148,
                "name": "X",
                "position": 0,
                "stddev": 177.430161,
                "variance": 31481.46204
              },
              {
                "average": 2379356.91,
                "count": 4996448,
                "maximum": 2379789.407,
                "minimum": 2378998.487,
                "name": "Y",
                "position": 1,
                "stddev": 176.0198851,
                "variance": 30982.99995
              },
              {
                "average": 109.2198684,
                "count": 4996448,
                "maximum": 213.7778163,
                "minimum": 37.71781629,
                "name": "Z",
                "position": 2,
                "stddev": 33.69156786,
                "variance": 1135.121745
              },
              {
                "average": 8.758073535,
                "count": 4996448,
                "maximum": 300,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.90589549,
                "variance": 285.8093023
              },
              {
                "average": 1.90661666,
                "count": 4996448,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.053657464,
                "variance": 1.110194051
              },
              {
                "average": 2.813842354,
                "count": 4996448,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.346441978,
                "variance": 1.812906
              },
              {
                "average": 1,
                "count": 4996448,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4996448,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.067871616,
                "count": 4996448,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2515254906,
                "variance": 0.0632650724
              },
              {
                "average": 20.69027736,
                "count": 4996448,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.328542012,
                "variance": 28.39335997
              },
              {
                "average": 89.41161601,
                "count": 4996448,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.01875343,
                "variance": 4763.588325
              },
              {
                "average": 14.29175086,
                "count": 4996448,
                "maximum": 19,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.682073544,
                "variance": 13.55766558
              },
              {
                "average": 64014027,
                "count": 4996448,
                "maximum": 64015190.2,
                "minimum": 64012053.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 965.6451948,
                "variance": 932470.6423
              },
              {
                "average": 0,
                "count": 4996448,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4996448,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4996448,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4996448,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4996448,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617178.3148,
              2378998.487,
              37.71781629,
              617999.7948,
              2379789.407,
              213.7778163
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617178.3148325853,
                    2378998.487416862,
                    37.71781628671141
                  ],
                  [
                    617178.3148325853,
                    2379789.407416862,
                    37.71781628671141
                  ],
                  [
                    617999.7948325853,
                    2379789.407416862,
                    213.7778162867114
                  ],
                  [
                    617999.7948325853,
                    2378998.487416862,
                    213.7778162867114
                  ],
                  [
                    617178.3148325853,
                    2378998.487416862,
                    37.71781628671141
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:46:30+00:00",
            "end_time": "2013-09-23T22:54:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2349.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.814647440344,
              21.241189907846756,
              -52.6912630283647
            ],
            [
              -157.81459713544984,
              21.247479717286637,
              -52.6912630283647
            ],
            [
              -157.80496147145112,
              21.24741170734001,
              -11.391263028364701
            ],
            [
              -157.80501218494703,
              21.241121920011732,
              -11.391263028364701
            ],
            [
              -157.814647440344,
              21.241189907846756,
              -52.6912630283647
            ]
          ]
        ]
      },
      "bbox": [
        -157.8146474,
        21.24112192,
        -52.69126303,
        -157.8049615,
        21.24747972,
        -11.39126303
      ],
      "properties": {
        "datetime": "2013-09-17T12:51:31Z",
        "pc:count": 400233,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623706.9573,
            "count": 400233,
            "maximum": 623999.7871,
            "minimum": 622999.8071,
            "name": "X",
            "position": 0,
            "stddev": 247.1743637,
            "variance": 61095.16608
          },
          {
            "average": 2349807.055,
            "count": 400233,
            "maximum": 2349998.435,
            "minimum": 2349302.155,
            "name": "Y",
            "position": 1,
            "stddev": 148.6724355,
            "variance": 22103.49307
          },
          {
            "average": -20.64757872,
            "count": 400233,
            "maximum": -11.39126303,
            "minimum": -52.69126303,
            "name": "Z",
            "position": 2,
            "stddev": 8.182130464,
            "variance": 66.94725893
          },
          {
            "average": 189.3693149,
            "count": 400233,
            "maximum": 2105,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 274.8043186,
            "variance": 75517.41351
          },
          {
            "average": 1.010688774,
            "count": 400233,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1031237875,
            "variance": 0.01063451555
          },
          {
            "average": 1.01102108,
            "count": 400233,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1048789077,
            "variance": 0.01099958528
          },
          {
            "average": 1,
            "count": 400233,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 400233,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 400233,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.858966564,
            "count": 400233,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.944102977,
            "variance": 79.99697806
          },
          {
            "average": 202.5147302,
            "count": 400233,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.97694313,
            "variance": 6080.403659
          },
          {
            "average": 15.32249964,
            "count": 400233,
            "maximum": 19,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.344486006,
            "variance": 18.87455865
          },
          {
            "average": 63318139.99,
            "count": 400233,
            "maximum": 63457491.92,
            "minimum": 63282430.18,
            "name": "GpsTime",
            "position": 12,
            "stddev": 69655.06722,
            "variance": 4851828390
          },
          {
            "average": 0,
            "count": 400233,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 400233,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 400233,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 400233,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 400233,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8071,
          2349302.155,
          -52.69126303,
          623999.7871,
          2349998.435,
          -11.39126303
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8070586455,
                2349302.1545745595,
                -52.6912630283647
              ],
              [
                622999.8070586455,
                2349998.43457456,
                -52.6912630283647
              ],
              [
                623999.7870586455,
                2349998.43457456,
                -11.391263028364701
              ],
              [
                623999.7870586455,
                2349302.1545745595,
                -11.391263028364701
              ],
              [
                622999.8070586455,
                2349302.1545745595,
                -52.6912630283647
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:51:31+00:00",
        "end_time": "2013-09-15T12:13:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2349.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2349.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2349.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2349.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8146474,
            21.24112192,
            -52.69126303,
            -157.8049615,
            21.24747972,
            -11.39126303
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.814647440344,
                  21.241189907846756,
                  -52.6912630283647
                ],
                [
                  -157.81459713544984,
                  21.247479717286637,
                  -52.6912630283647
                ],
                [
                  -157.80496147145112,
                  21.24741170734001,
                  -11.391263028364701
                ],
                [
                  -157.80501218494703,
                  21.241121920011732,
                  -11.391263028364701
                ],
                [
                  -157.814647440344,
                  21.241189907846756,
                  -52.6912630283647
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2349.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2349.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:51:31Z",
            "pc:count": 400233,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623706.9573,
                "count": 400233,
                "maximum": 623999.7871,
                "minimum": 622999.8071,
                "name": "X",
                "position": 0,
                "stddev": 247.1743637,
                "variance": 61095.16608
              },
              {
                "average": 2349807.055,
                "count": 400233,
                "maximum": 2349998.435,
                "minimum": 2349302.155,
                "name": "Y",
                "position": 1,
                "stddev": 148.6724355,
                "variance": 22103.49307
              },
              {
                "average": -20.64757872,
                "count": 400233,
                "maximum": -11.39126303,
                "minimum": -52.69126303,
                "name": "Z",
                "position": 2,
                "stddev": 8.182130464,
                "variance": 66.94725893
              },
              {
                "average": 189.3693149,
                "count": 400233,
                "maximum": 2105,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 274.8043186,
                "variance": 75517.41351
              },
              {
                "average": 1.010688774,
                "count": 400233,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1031237875,
                "variance": 0.01063451555
              },
              {
                "average": 1.01102108,
                "count": 400233,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1048789077,
                "variance": 0.01099958528
              },
              {
                "average": 1,
                "count": 400233,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 400233,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 400233,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.858966564,
                "count": 400233,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.944102977,
                "variance": 79.99697806
              },
              {
                "average": 202.5147302,
                "count": 400233,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.97694313,
                "variance": 6080.403659
              },
              {
                "average": 15.32249964,
                "count": 400233,
                "maximum": 19,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.344486006,
                "variance": 18.87455865
              },
              {
                "average": 63318139.99,
                "count": 400233,
                "maximum": 63457491.92,
                "minimum": 63282430.18,
                "name": "GpsTime",
                "position": 12,
                "stddev": 69655.06722,
                "variance": 4851828390
              },
              {
                "average": 0,
                "count": 400233,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 400233,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 400233,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 400233,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 400233,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8071,
              2349302.155,
              -52.69126303,
              623999.7871,
              2349998.435,
              -11.39126303
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8070586455,
                    2349302.1545745595,
                    -52.6912630283647
                  ],
                  [
                    622999.8070586455,
                    2349998.43457456,
                    -52.6912630283647
                  ],
                  [
                    623999.7870586455,
                    2349998.43457456,
                    -11.391263028364701
                  ],
                  [
                    623999.7870586455,
                    2349302.1545745595,
                    -11.391263028364701
                  ],
                  [
                    622999.8070586455,
                    2349302.1545745595,
                    -52.6912630283647
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:51:31+00:00",
            "end_time": "2013-09-15T12:13:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2451.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.80488854029787,
              21.256445107191695,
              -2.210970500571392
            ],
            [
              -157.804815634787,
              21.26547850518253,
              -2.210970500571392
            ],
            [
              -157.79517864256331,
              21.265409878105572,
              138.6890294994286
            ],
            [
              -157.79525213542408,
              21.25637651240742,
              138.6890294994286
            ],
            [
              -157.80488854029787,
              21.256445107191695,
              -2.210970500571392
            ]
          ]
        ]
      },
      "bbox": [
        -157.8048885,
        21.25637651,
        -2.210970501,
        -157.7951786,
        21.26547851,
        138.6890295
      ],
      "properties": {
        "datetime": "2013-09-16T15:49:04Z",
        "pc:count": 9604138,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624474.098,
            "count": 9604138,
            "maximum": 624999.7937,
            "minimum": 623999.7937,
            "name": "X",
            "position": 0,
            "stddev": 279.94027,
            "variance": 78366.55476
          },
          {
            "average": 2351364.523,
            "count": 9604138,
            "maximum": 2351998.434,
            "minimum": 2350998.434,
            "name": "Y",
            "position": 1,
            "stddev": 241.6049695,
            "variance": 58372.96128
          },
          {
            "average": 47.61339802,
            "count": 9604138,
            "maximum": 138.6890295,
            "minimum": -2.210970501,
            "name": "Z",
            "position": 2,
            "stddev": 30.14711493,
            "variance": 908.8485386
          },
          {
            "average": 17.08706455,
            "count": 9604138,
            "maximum": 8500,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 32.4415095,
            "variance": 1052.451539
          },
          {
            "average": 1.680837052,
            "count": 9604138,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.004677488,
            "variance": 1.009376855
          },
          {
            "average": 2.362049046,
            "count": 9604138,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.460270579,
            "variance": 2.132390165
          },
          {
            "average": 1,
            "count": 9604138,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9604138,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.735457675,
            "count": 9604138,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.917586437,
            "variance": 15.34748349
          },
          {
            "average": 20.11476452,
            "count": 9604138,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.775557178,
            "variance": 7.703717649
          },
          {
            "average": 91.02659781,
            "count": 9604138,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.34029116,
            "variance": 4401.034231
          },
          {
            "average": 8.549454308,
            "count": 9604138,
            "maximum": 11,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.079178957,
            "variance": 1.164627221
          },
          {
            "average": 63316275.56,
            "count": 9604138,
            "maximum": 63381744.08,
            "minimum": 63279271.08,
            "name": "GpsTime",
            "position": 12,
            "stddev": 48631.29713,
            "variance": 2365003061
          },
          {
            "average": 0,
            "count": 9604138,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9604138,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9604138,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9604138,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9604138,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.7937,
          2350998.434,
          -2.210970501,
          624999.7937,
          2351998.434,
          138.6890295
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.7936905822,
                2350998.433714155,
                -2.210970500571392
              ],
              [
                623999.7936905822,
                2351998.433714155,
                -2.210970500571392
              ],
              [
                624999.7936905822,
                2351998.433714155,
                138.6890294994286
              ],
              [
                624999.7936905822,
                2350998.433714155,
                138.6890294994286
              ],
              [
                623999.7936905822,
                2350998.433714155,
                -2.210970500571392
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T15:49:04+00:00",
        "end_time": "2013-09-15T11:21:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2451.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2451.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2451.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2451.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8048885,
            21.25637651,
            -2.210970501,
            -157.7951786,
            21.26547851,
            138.6890295
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.80488854029787,
                  21.256445107191695,
                  -2.210970500571392
                ],
                [
                  -157.804815634787,
                  21.26547850518253,
                  -2.210970500571392
                ],
                [
                  -157.79517864256331,
                  21.265409878105572,
                  138.6890294994286
                ],
                [
                  -157.79525213542408,
                  21.25637651240742,
                  138.6890294994286
                ],
                [
                  -157.80488854029787,
                  21.256445107191695,
                  -2.210970500571392
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2451.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2451.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T15:49:04Z",
            "pc:count": 9604138,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624474.098,
                "count": 9604138,
                "maximum": 624999.7937,
                "minimum": 623999.7937,
                "name": "X",
                "position": 0,
                "stddev": 279.94027,
                "variance": 78366.55476
              },
              {
                "average": 2351364.523,
                "count": 9604138,
                "maximum": 2351998.434,
                "minimum": 2350998.434,
                "name": "Y",
                "position": 1,
                "stddev": 241.6049695,
                "variance": 58372.96128
              },
              {
                "average": 47.61339802,
                "count": 9604138,
                "maximum": 138.6890295,
                "minimum": -2.210970501,
                "name": "Z",
                "position": 2,
                "stddev": 30.14711493,
                "variance": 908.8485386
              },
              {
                "average": 17.08706455,
                "count": 9604138,
                "maximum": 8500,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 32.4415095,
                "variance": 1052.451539
              },
              {
                "average": 1.680837052,
                "count": 9604138,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.004677488,
                "variance": 1.009376855
              },
              {
                "average": 2.362049046,
                "count": 9604138,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.460270579,
                "variance": 2.132390165
              },
              {
                "average": 1,
                "count": 9604138,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9604138,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.735457675,
                "count": 9604138,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.917586437,
                "variance": 15.34748349
              },
              {
                "average": 20.11476452,
                "count": 9604138,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.775557178,
                "variance": 7.703717649
              },
              {
                "average": 91.02659781,
                "count": 9604138,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.34029116,
                "variance": 4401.034231
              },
              {
                "average": 8.549454308,
                "count": 9604138,
                "maximum": 11,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.079178957,
                "variance": 1.164627221
              },
              {
                "average": 63316275.56,
                "count": 9604138,
                "maximum": 63381744.08,
                "minimum": 63279271.08,
                "name": "GpsTime",
                "position": 12,
                "stddev": 48631.29713,
                "variance": 2365003061
              },
              {
                "average": 0,
                "count": 9604138,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9604138,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9604138,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9604138,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9604138,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.7937,
              2350998.434,
              -2.210970501,
              624999.7937,
              2351998.434,
              138.6890295
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.7936905822,
                    2350998.433714155,
                    -2.210970500571392
                  ],
                  [
                    623999.7936905822,
                    2351998.433714155,
                    -2.210970500571392
                  ],
                  [
                    624999.7936905822,
                    2351998.433714155,
                    138.6890294994286
                  ],
                  [
                    624999.7936905822,
                    2350998.433714155,
                    138.6890294994286
                  ],
                  [
                    623999.7936905822,
                    2350998.433714155,
                    -2.210970500571392
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T15:49:04+00:00",
            "end_time": "2013-09-15T11:21:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2078.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8415166623453,
              21.500615983973518,
              -8.302275411910024
            ],
            [
              -157.84144510789378,
              21.509649234297964,
              -8.302275411910024
            ],
            [
              -157.83179178320302,
              21.509581976256747,
              32.557724588089975
            ],
            [
              -157.83186393295276,
              21.500548757196068,
              32.557724588089975
            ],
            [
              -157.8415166623453,
              21.500615983973518,
              -8.302275411910024
            ]
          ]
        ]
      },
      "bbox": [
        -157.8415167,
        21.50054876,
        -8.302275412,
        -157.8317918,
        21.50964923,
        32.55772459
      ],
      "properties": {
        "datetime": "2013-09-24T19:37:14Z",
        "pc:count": 7110825,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620484.9736,
            "count": 7110825,
            "maximum": 620999.8157,
            "minimum": 619999.7957,
            "name": "X",
            "position": 0,
            "stddev": 289.9207099,
            "variance": 84054.01802
          },
          {
            "average": 2378554.71,
            "count": 7110825,
            "maximum": 2378998.488,
            "minimum": 2377998.488,
            "name": "Y",
            "position": 1,
            "stddev": 291.1492599,
            "variance": 84767.89155
          },
          {
            "average": 0.3135229195,
            "count": 7110825,
            "maximum": 32.55772459,
            "minimum": -8.302275412,
            "name": "Z",
            "position": 2,
            "stddev": 4.026537128,
            "variance": 16.21300125
          },
          {
            "average": 8.501671044,
            "count": 7110825,
            "maximum": 8966,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.02023927,
            "variance": 785.1338087
          },
          {
            "average": 1.180369929,
            "count": 7110825,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6230159487,
            "variance": 0.3881488723
          },
          {
            "average": 1.359479245,
            "count": 7110825,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.01310357,
            "variance": 1.026378843
          },
          {
            "average": 1,
            "count": 7110825,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7110825,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 24.51987878,
            "count": 7110825,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.24451244,
            "variance": 104.9500351
          },
          {
            "average": 20.57450046,
            "count": 7110825,
            "maximum": 40.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.352558892,
            "variance": 18.94476891
          },
          {
            "average": 88.84777702,
            "count": 7110825,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.38356719,
            "variance": 5095.613665
          },
          {
            "average": 4.41222868,
            "count": 7110825,
            "maximum": 19,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.563683463,
            "variance": 12.69983983
          },
          {
            "average": 63821233.76,
            "count": 7110825,
            "maximum": 64086634.26,
            "minimum": 63594088.26,
            "name": "GpsTime",
            "position": 12,
            "stddev": 157015.8618,
            "variance": 24653980840.0
          },
          {
            "average": 0,
            "count": 7110825,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7110825,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7110825,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7110825,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7110825,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.7957,
          2377998.488,
          -8.302275412,
          620999.8157,
          2378998.488,
          32.55772459
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.795741106,
                2377998.487848012,
                -8.302275411910024
              ],
              [
                619999.795741106,
                2378998.487848012,
                -8.302275411910024
              ],
              [
                620999.815741106,
                2378998.487848012,
                32.557724588089975
              ],
              [
                620999.815741106,
                2377998.487848012,
                32.557724588089975
              ],
              [
                619999.795741106,
                2377998.487848012,
                -8.302275411910024
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T19:37:14+00:00",
        "end_time": "2013-09-19T02:48:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2078.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2078.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2078.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2078.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8415167,
            21.50054876,
            -8.302275412,
            -157.8317918,
            21.50964923,
            32.55772459
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8415166623453,
                  21.500615983973518,
                  -8.302275411910024
                ],
                [
                  -157.84144510789378,
                  21.509649234297964,
                  -8.302275411910024
                ],
                [
                  -157.83179178320302,
                  21.509581976256747,
                  32.557724588089975
                ],
                [
                  -157.83186393295276,
                  21.500548757196068,
                  32.557724588089975
                ],
                [
                  -157.8415166623453,
                  21.500615983973518,
                  -8.302275411910024
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2078.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2078.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T19:37:14Z",
            "pc:count": 7110825,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620484.9736,
                "count": 7110825,
                "maximum": 620999.8157,
                "minimum": 619999.7957,
                "name": "X",
                "position": 0,
                "stddev": 289.9207099,
                "variance": 84054.01802
              },
              {
                "average": 2378554.71,
                "count": 7110825,
                "maximum": 2378998.488,
                "minimum": 2377998.488,
                "name": "Y",
                "position": 1,
                "stddev": 291.1492599,
                "variance": 84767.89155
              },
              {
                "average": 0.3135229195,
                "count": 7110825,
                "maximum": 32.55772459,
                "minimum": -8.302275412,
                "name": "Z",
                "position": 2,
                "stddev": 4.026537128,
                "variance": 16.21300125
              },
              {
                "average": 8.501671044,
                "count": 7110825,
                "maximum": 8966,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.02023927,
                "variance": 785.1338087
              },
              {
                "average": 1.180369929,
                "count": 7110825,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6230159487,
                "variance": 0.3881488723
              },
              {
                "average": 1.359479245,
                "count": 7110825,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.01310357,
                "variance": 1.026378843
              },
              {
                "average": 1,
                "count": 7110825,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7110825,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 24.51987878,
                "count": 7110825,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.24451244,
                "variance": 104.9500351
              },
              {
                "average": 20.57450046,
                "count": 7110825,
                "maximum": 40.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.352558892,
                "variance": 18.94476891
              },
              {
                "average": 88.84777702,
                "count": 7110825,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.38356719,
                "variance": 5095.613665
              },
              {
                "average": 4.41222868,
                "count": 7110825,
                "maximum": 19,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.563683463,
                "variance": 12.69983983
              },
              {
                "average": 63821233.76,
                "count": 7110825,
                "maximum": 64086634.26,
                "minimum": 63594088.26,
                "name": "GpsTime",
                "position": 12,
                "stddev": 157015.8618,
                "variance": 24653980840.0
              },
              {
                "average": 0,
                "count": 7110825,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7110825,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7110825,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7110825,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7110825,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.7957,
              2377998.488,
              -8.302275412,
              620999.8157,
              2378998.488,
              32.55772459
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.795741106,
                    2377998.487848012,
                    -8.302275411910024
                  ],
                  [
                    619999.795741106,
                    2378998.487848012,
                    -8.302275411910024
                  ],
                  [
                    620999.815741106,
                    2378998.487848012,
                    32.557724588089975
                  ],
                  [
                    620999.815741106,
                    2377998.487848012,
                    32.557724588089975
                  ],
                  [
                    619999.795741106,
                    2377998.487848012,
                    -8.302275411910024
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T19:37:14+00:00",
            "end_time": "2013-09-19T02:48:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2350.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8145973937437,
              21.24747976170329,
              -27.23831802494665
            ],
            [
              -157.81452511350506,
              21.256513201715766,
              -27.23831802494665
            ],
            [
              -157.80488847699195,
              21.256445157116524,
              73.58168197505336
            ],
            [
              -157.80496134430766,
              21.247411749039827,
              73.58168197505336
            ],
            [
              -157.8145973937437,
              21.24747976170329,
              -27.23831802494665
            ]
          ]
        ]
      },
      "bbox": [
        -157.8145974,
        21.24741175,
        -27.23831802,
        -157.8048885,
        21.2565132,
        73.58168198
      ],
      "properties": {
        "datetime": "2013-09-17T12:51:30Z",
        "pc:count": 6183869,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623544.1738,
            "count": 6183869,
            "maximum": 623999.8002,
            "minimum": 622999.7802,
            "name": "X",
            "position": 0,
            "stddev": 282.3648446,
            "variance": 79729.90547
          },
          {
            "average": 2350610.095,
            "count": 6183869,
            "maximum": 2350998.439,
            "minimum": 2349998.439,
            "name": "Y",
            "position": 1,
            "stddev": 295.6692368,
            "variance": 87420.29757
          },
          {
            "average": 6.308272723,
            "count": 6183869,
            "maximum": 73.58168198,
            "minimum": -27.23831802,
            "name": "Z",
            "position": 2,
            "stddev": 17.73022614,
            "variance": 314.3609188
          },
          {
            "average": 10.98116422,
            "count": 6183869,
            "maximum": 6771,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.39739496,
            "variance": 1552.154729
          },
          {
            "average": 1.366604952,
            "count": 6183869,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.810738764,
            "variance": 0.6572973435
          },
          {
            "average": 1.695563085,
            "count": 6183869,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.275050431,
            "variance": 1.625753602
          },
          {
            "average": 1,
            "count": 6183869,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6183869,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.30551068,
            "count": 6183869,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.91134442,
            "variance": 166.7028147
          },
          {
            "average": 19.28499552,
            "count": 6183869,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.853502134,
            "variance": 23.55648297
          },
          {
            "average": 94.05471801,
            "count": 6183869,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 72.54923772,
            "variance": 5263.391894
          },
          {
            "average": 10.7499829,
            "count": 6183869,
            "maximum": 18,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.608497406,
            "variance": 21.23824834
          },
          {
            "average": 63341294.02,
            "count": 6183869,
            "maximum": 63457490.44,
            "minimum": 63280820.13,
            "name": "GpsTime",
            "position": 12,
            "stddev": 77614.87774,
            "variance": 6024069247
          },
          {
            "average": 0,
            "count": 6183869,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6183869,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6183869,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6183869,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6183869,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.7802,
          2349998.439,
          -27.23831802,
          623999.8002,
          2350998.439,
          73.58168198
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.7802178471,
                2349998.4392902106,
                -27.23831802494665
              ],
              [
                622999.7802178471,
                2350998.4392902106,
                -27.23831802494665
              ],
              [
                623999.8002178471,
                2350998.4392902106,
                73.58168197505336
              ],
              [
                623999.8002178471,
                2349998.4392902106,
                73.58168197505336
              ],
              [
                622999.7802178471,
                2349998.4392902106,
                -27.23831802494665
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:51:30+00:00",
        "end_time": "2013-09-15T11:47:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2350.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2350.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2350.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2350.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8145974,
            21.24741175,
            -27.23831802,
            -157.8048885,
            21.2565132,
            73.58168198
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8145973937437,
                  21.24747976170329,
                  -27.23831802494665
                ],
                [
                  -157.81452511350506,
                  21.256513201715766,
                  -27.23831802494665
                ],
                [
                  -157.80488847699195,
                  21.256445157116524,
                  73.58168197505336
                ],
                [
                  -157.80496134430766,
                  21.247411749039827,
                  73.58168197505336
                ],
                [
                  -157.8145973937437,
                  21.24747976170329,
                  -27.23831802494665
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2350.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2350.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:51:30Z",
            "pc:count": 6183869,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623544.1738,
                "count": 6183869,
                "maximum": 623999.8002,
                "minimum": 622999.7802,
                "name": "X",
                "position": 0,
                "stddev": 282.3648446,
                "variance": 79729.90547
              },
              {
                "average": 2350610.095,
                "count": 6183869,
                "maximum": 2350998.439,
                "minimum": 2349998.439,
                "name": "Y",
                "position": 1,
                "stddev": 295.6692368,
                "variance": 87420.29757
              },
              {
                "average": 6.308272723,
                "count": 6183869,
                "maximum": 73.58168198,
                "minimum": -27.23831802,
                "name": "Z",
                "position": 2,
                "stddev": 17.73022614,
                "variance": 314.3609188
              },
              {
                "average": 10.98116422,
                "count": 6183869,
                "maximum": 6771,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.39739496,
                "variance": 1552.154729
              },
              {
                "average": 1.366604952,
                "count": 6183869,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.810738764,
                "variance": 0.6572973435
              },
              {
                "average": 1.695563085,
                "count": 6183869,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.275050431,
                "variance": 1.625753602
              },
              {
                "average": 1,
                "count": 6183869,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6183869,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.30551068,
                "count": 6183869,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.91134442,
                "variance": 166.7028147
              },
              {
                "average": 19.28499552,
                "count": 6183869,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.853502134,
                "variance": 23.55648297
              },
              {
                "average": 94.05471801,
                "count": 6183869,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 72.54923772,
                "variance": 5263.391894
              },
              {
                "average": 10.7499829,
                "count": 6183869,
                "maximum": 18,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.608497406,
                "variance": 21.23824834
              },
              {
                "average": 63341294.02,
                "count": 6183869,
                "maximum": 63457490.44,
                "minimum": 63280820.13,
                "name": "GpsTime",
                "position": 12,
                "stddev": 77614.87774,
                "variance": 6024069247
              },
              {
                "average": 0,
                "count": 6183869,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6183869,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6183869,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6183869,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6183869,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.7802,
              2349998.439,
              -27.23831802,
              623999.8002,
              2350998.439,
              73.58168198
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.7802178471,
                    2349998.4392902106,
                    -27.23831802494665
                  ],
                  [
                    622999.7802178471,
                    2350998.4392902106,
                    -27.23831802494665
                  ],
                  [
                    623999.8002178471,
                    2350998.4392902106,
                    73.58168197505336
                  ],
                  [
                    623999.8002178471,
                    2349998.4392902106,
                    73.58168197505336
                  ],
                  [
                    622999.7802178471,
                    2349998.4392902106,
                    -27.23831802494665
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:51:30+00:00",
            "end_time": "2013-09-15T11:47:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1879.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8607514906193,
              21.509781957422362,
              5.200389674998888
            ],
            [
              -157.8607127351464,
              21.514755333604942,
              5.200389674998888
            ],
            [
              -157.85105920316707,
              21.5146891755697,
              175.3203896749989
            ],
            [
              -157.85109828652398,
              21.509715816360607,
              175.3203896749989
            ],
            [
              -157.8607514906193,
              21.509781957422362,
              5.200389674998888
            ]
          ]
        ]
      },
      "bbox": [
        -157.8607515,
        21.50971582,
        5.200389675,
        -157.8510592,
        21.51475533,
        175.3203897
      ],
      "properties": {
        "datetime": "2013-09-23T23:46:42Z",
        "pc:count": 2329956,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618289.6572,
            "count": 2329956,
            "maximum": 618999.7947,
            "minimum": 617999.7947,
            "name": "X",
            "position": 0,
            "stddev": 224.2172906,
            "variance": 50273.39342
          },
          {
            "average": 2379184.335,
            "count": 2329956,
            "maximum": 2379549.035,
            "minimum": 2378998.475,
            "name": "Y",
            "position": 1,
            "stddev": 137.1834287,
            "variance": 18819.2931
          },
          {
            "average": 56.78664896,
            "count": 2329956,
            "maximum": 175.3203897,
            "minimum": 5.200389675,
            "name": "Z",
            "position": 2,
            "stddev": 23.44771528,
            "variance": 549.7953517
          },
          {
            "average": 11.02324121,
            "count": 2329956,
            "maximum": 623,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.02008771,
            "variance": 324.723561
          },
          {
            "average": 1.654519656,
            "count": 2329956,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9090747558,
            "variance": 0.8264169116
          },
          {
            "average": 2.308558617,
            "count": 2329956,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.222570259,
            "variance": 1.494678039
          },
          {
            "average": 1,
            "count": 2329956,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2329956,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.125859887,
            "count": 2329956,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3316914582,
            "variance": 0.1100192234
          },
          {
            "average": 19.94605056,
            "count": 2329956,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.93539351,
            "variance": 15.48732208
          },
          {
            "average": 90.95387209,
            "count": 2329956,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.07995549,
            "variance": 4634.880339
          },
          {
            "average": 17.57055498,
            "count": 2329956,
            "maximum": 19,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.732004403,
            "variance": 2.999839253
          },
          {
            "average": 64014801.2,
            "count": 2329956,
            "maximum": 64015202.88,
            "minimum": 63829831.13,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3180.857143,
            "variance": 10117852.16
          },
          {
            "average": 0,
            "count": 2329956,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2329956,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2329956,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2329956,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2329956,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.7947,
          2378998.475,
          5.200389675,
          618999.7947,
          2379549.035,
          175.3203897
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.7947372622,
                2378998.4749086574,
                5.200389674998888
              ],
              [
                617999.7947372622,
                2379549.034908657,
                5.200389674998888
              ],
              [
                618999.7947372622,
                2379549.034908657,
                175.3203896749989
              ],
              [
                618999.7947372622,
                2378998.4749086574,
                175.3203896749989
              ],
              [
                617999.7947372622,
                2378998.4749086574,
                5.200389674998888
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:46:42+00:00",
        "end_time": "2013-09-21T20:17:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1879.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1879.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1879.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1879.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8607515,
            21.50971582,
            5.200389675,
            -157.8510592,
            21.51475533,
            175.3203897
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8607514906193,
                  21.509781957422362,
                  5.200389674998888
                ],
                [
                  -157.8607127351464,
                  21.514755333604942,
                  5.200389674998888
                ],
                [
                  -157.85105920316707,
                  21.5146891755697,
                  175.3203896749989
                ],
                [
                  -157.85109828652398,
                  21.509715816360607,
                  175.3203896749989
                ],
                [
                  -157.8607514906193,
                  21.509781957422362,
                  5.200389674998888
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1879.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1879.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:46:42Z",
            "pc:count": 2329956,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618289.6572,
                "count": 2329956,
                "maximum": 618999.7947,
                "minimum": 617999.7947,
                "name": "X",
                "position": 0,
                "stddev": 224.2172906,
                "variance": 50273.39342
              },
              {
                "average": 2379184.335,
                "count": 2329956,
                "maximum": 2379549.035,
                "minimum": 2378998.475,
                "name": "Y",
                "position": 1,
                "stddev": 137.1834287,
                "variance": 18819.2931
              },
              {
                "average": 56.78664896,
                "count": 2329956,
                "maximum": 175.3203897,
                "minimum": 5.200389675,
                "name": "Z",
                "position": 2,
                "stddev": 23.44771528,
                "variance": 549.7953517
              },
              {
                "average": 11.02324121,
                "count": 2329956,
                "maximum": 623,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.02008771,
                "variance": 324.723561
              },
              {
                "average": 1.654519656,
                "count": 2329956,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9090747558,
                "variance": 0.8264169116
              },
              {
                "average": 2.308558617,
                "count": 2329956,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.222570259,
                "variance": 1.494678039
              },
              {
                "average": 1,
                "count": 2329956,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2329956,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.125859887,
                "count": 2329956,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3316914582,
                "variance": 0.1100192234
              },
              {
                "average": 19.94605056,
                "count": 2329956,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.93539351,
                "variance": 15.48732208
              },
              {
                "average": 90.95387209,
                "count": 2329956,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.07995549,
                "variance": 4634.880339
              },
              {
                "average": 17.57055498,
                "count": 2329956,
                "maximum": 19,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.732004403,
                "variance": 2.999839253
              },
              {
                "average": 64014801.2,
                "count": 2329956,
                "maximum": 64015202.88,
                "minimum": 63829831.13,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3180.857143,
                "variance": 10117852.16
              },
              {
                "average": 0,
                "count": 2329956,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2329956,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2329956,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2329956,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2329956,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.7947,
              2378998.475,
              5.200389675,
              618999.7947,
              2379549.035,
              175.3203897
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.7947372622,
                    2378998.4749086574,
                    5.200389674998888
                  ],
                  [
                    617999.7947372622,
                    2379549.034908657,
                    5.200389674998888
                  ],
                  [
                    618999.7947372622,
                    2379549.034908657,
                    175.3203896749989
                  ],
                  [
                    618999.7947372622,
                    2378998.4749086574,
                    175.3203896749989
                  ],
                  [
                    617999.7947372622,
                    2378998.4749086574,
                    5.200389674998888
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:46:42+00:00",
            "end_time": "2013-09-21T20:17:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130923_ncmp_hi_oahu_4qfj1783.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.87010308753415,
              21.54884806767447,
              -0.71828122187317
            ],
            [
              -157.87005533270636,
              21.55501419296877,
              -0.71828122187317
            ],
            [
              -157.86305514860413,
              21.55496659378934,
              205.62171877812682
            ],
            [
              -157.86310319892726,
              21.548800483580575,
              205.62171877812682
            ],
            [
              -157.87010308753415,
              21.54884806767447,
              -0.71828122187317
            ]
          ]
        ]
      },
      "bbox": [
        -157.8701031,
        21.54880048,
        -0.7182812219,
        -157.8630551,
        21.55501419,
        205.6217188
      ],
      "properties": {
        "datetime": "2013-09-23T23:52:33Z",
        "pc:count": 3083305,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617256.3527,
            "count": 3083305,
            "maximum": 617724.7344,
            "minimum": 616999.7944,
            "name": "X",
            "position": 0,
            "stddev": 173.5944432,
            "variance": 30135.0307
          },
          {
            "average": 2383775.741,
            "count": 3083305,
            "maximum": 2383998.484,
            "minimum": 2383315.884,
            "name": "Y",
            "position": 1,
            "stddev": 165.7629337,
            "variance": 27477.35018
          },
          {
            "average": 88.65037558,
            "count": 3083305,
            "maximum": 205.6217188,
            "minimum": -0.7182812219,
            "name": "Z",
            "position": 2,
            "stddev": 43.15867369,
            "variance": 1862.671114
          },
          {
            "average": 6.043055098,
            "count": 3083305,
            "maximum": 560,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 11.24369351,
            "variance": 126.4206437
          },
          {
            "average": 2.161678459,
            "count": 3083305,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.135311333,
            "variance": 1.288931822
          },
          {
            "average": 3.32257237,
            "count": 3083305,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.307922171,
            "variance": 1.710660405
          },
          {
            "average": 1,
            "count": 3083305,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3083305,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.085361649,
            "count": 3083305,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.9607315169,
            "variance": 0.9230050476
          },
          {
            "average": 20.0273773,
            "count": 3083305,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.984001282,
            "variance": 8.904263654
          },
          {
            "average": 90.70539113,
            "count": 3083305,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.24427778,
            "variance": 4794.770005
          },
          {
            "average": 16.73243289,
            "count": 3083305,
            "maximum": 20,
            "minimum": 8,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.097406397,
            "variance": 4.399113595
          },
          {
            "average": 64014805.17,
            "count": 3083305,
            "maximum": 64015553.5,
            "minimum": 64012580.37,
            "name": "GpsTime",
            "position": 12,
            "stddev": 510.1741165,
            "variance": 260277.6291
          },
          {
            "average": 0,
            "count": 3083305,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3083305,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3083305,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3083305,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3083305,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.7944,
          2383315.884,
          -0.7182812219,
          617724.7344,
          2383998.484,
          205.6217188
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.7943825963,
                2383315.884316415,
                -0.71828122187317
              ],
              [
                616999.7943825963,
                2383998.4843164147,
                -0.71828122187317
              ],
              [
                617724.7343825962,
                2383998.4843164147,
                205.62171877812682
              ],
              [
                617724.7343825962,
                2383315.884316415,
                205.62171877812682
              ],
              [
                616999.7943825963,
                2383315.884316415,
                -0.71828122187317
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:52:33+00:00",
        "end_time": "2013-09-23T23:03:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130923_ncmp_hi_oahu_4qfj1783.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130923_ncmp_hi_oahu_4qfj1783.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130923_ncmp_hi_oahu_4qfj1783.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1783.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8701031,
            21.54880048,
            -0.7182812219,
            -157.8630551,
            21.55501419,
            205.6217188
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.87010308753415,
                  21.54884806767447,
                  -0.71828122187317
                ],
                [
                  -157.87005533270636,
                  21.55501419296877,
                  -0.71828122187317
                ],
                [
                  -157.86305514860413,
                  21.55496659378934,
                  205.62171877812682
                ],
                [
                  -157.86310319892726,
                  21.548800483580575,
                  205.62171877812682
                ],
                [
                  -157.87010308753415,
                  21.54884806767447,
                  -0.71828122187317
                ]
              ]
            ]
          },
          "id": "20130923_ncmp_hi_oahu_4qfj1783.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130923_ncmp_hi_oahu_4qfj1783.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:52:33Z",
            "pc:count": 3083305,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617256.3527,
                "count": 3083305,
                "maximum": 617724.7344,
                "minimum": 616999.7944,
                "name": "X",
                "position": 0,
                "stddev": 173.5944432,
                "variance": 30135.0307
              },
              {
                "average": 2383775.741,
                "count": 3083305,
                "maximum": 2383998.484,
                "minimum": 2383315.884,
                "name": "Y",
                "position": 1,
                "stddev": 165.7629337,
                "variance": 27477.35018
              },
              {
                "average": 88.65037558,
                "count": 3083305,
                "maximum": 205.6217188,
                "minimum": -0.7182812219,
                "name": "Z",
                "position": 2,
                "stddev": 43.15867369,
                "variance": 1862.671114
              },
              {
                "average": 6.043055098,
                "count": 3083305,
                "maximum": 560,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 11.24369351,
                "variance": 126.4206437
              },
              {
                "average": 2.161678459,
                "count": 3083305,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.135311333,
                "variance": 1.288931822
              },
              {
                "average": 3.32257237,
                "count": 3083305,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.307922171,
                "variance": 1.710660405
              },
              {
                "average": 1,
                "count": 3083305,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3083305,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.085361649,
                "count": 3083305,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.9607315169,
                "variance": 0.9230050476
              },
              {
                "average": 20.0273773,
                "count": 3083305,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.984001282,
                "variance": 8.904263654
              },
              {
                "average": 90.70539113,
                "count": 3083305,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.24427778,
                "variance": 4794.770005
              },
              {
                "average": 16.73243289,
                "count": 3083305,
                "maximum": 20,
                "minimum": 8,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.097406397,
                "variance": 4.399113595
              },
              {
                "average": 64014805.17,
                "count": 3083305,
                "maximum": 64015553.5,
                "minimum": 64012580.37,
                "name": "GpsTime",
                "position": 12,
                "stddev": 510.1741165,
                "variance": 260277.6291
              },
              {
                "average": 0,
                "count": 3083305,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3083305,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3083305,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3083305,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3083305,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.7944,
              2383315.884,
              -0.7182812219,
              617724.7344,
              2383998.484,
              205.6217188
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.7943825963,
                    2383315.884316415,
                    -0.71828122187317
                  ],
                  [
                    616999.7943825963,
                    2383998.4843164147,
                    -0.71828122187317
                  ],
                  [
                    617724.7343825962,
                    2383998.4843164147,
                    205.62171877812682
                  ],
                  [
                    617724.7343825962,
                    2383315.884316415,
                    205.62171877812682
                  ],
                  [
                    616999.7943825963,
                    2383315.884316415,
                    -0.71828122187317
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:52:33+00:00",
            "end_time": "2013-09-23T23:03:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1882.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85200790517155,
              21.543943255511724,
              65.62592909937561
            ],
            [
              -157.85199285198013,
              21.545857038204815,
              65.62592909937561
            ],
            [
              -157.85081390663925,
              21.54584891736088,
              118.12592909937561
            ],
            [
              -157.85082897526797,
              21.54393513546682,
              118.12592909937561
            ],
            [
              -157.85200790517155,
              21.543943255511724,
              65.62592909937561
            ]
          ]
        ]
      },
      "bbox": [
        -157.8520079,
        21.54393514,
        65.6259291,
        -157.8508139,
        21.54585704,
        118.1259291
      ],
      "properties": {
        "datetime": "2013-09-22T01:04:45Z",
        "pc:count": 115795,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618951.7879,
            "count": 115795,
            "maximum": 618999.8119,
            "minimum": 618877.7119,
            "name": "X",
            "position": 0,
            "stddev": 30.34791832,
            "variance": 920.9961464
          },
          {
            "average": 2382913.454,
            "count": 115795,
            "maximum": 2382998.483,
            "minimum": 2382786.623,
            "name": "Y",
            "position": 1,
            "stddev": 55.31418473,
            "variance": 3059.659033
          },
          {
            "average": 95.45904288,
            "count": 115795,
            "maximum": 118.1259291,
            "minimum": 65.6259291,
            "name": "Z",
            "position": 2,
            "stddev": 9.606484909,
            "variance": 92.2845523
          },
          {
            "average": 10.42712552,
            "count": 115795,
            "maximum": 316,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.42172143,
            "variance": 269.6729347
          },
          {
            "average": 1.629845848,
            "count": 115795,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.931624671,
            "variance": 0.8679245276
          },
          {
            "average": 2.251219828,
            "count": 115795,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.289863489,
            "variance": 1.663747821
          },
          {
            "average": 1,
            "count": 115795,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 115795,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.055701887,
            "count": 115795,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2293461161,
            "variance": 0.05259964099
          },
          {
            "average": 20.19822581,
            "count": 115795,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.395467625,
            "variance": 1.947329893
          },
          {
            "average": 91.67728313,
            "count": 115795,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.37002043,
            "variance": 4538.719652
          },
          {
            "average": 5,
            "count": 115795,
            "maximum": 5,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63847082.9,
            "count": 115795,
            "maximum": 63847085.34,
            "minimum": 63847080.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.301736944,
            "variance": 1.694519072
          },
          {
            "average": 0,
            "count": 115795,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 115795,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 115795,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 115795,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 115795,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618877.7119,
          2382786.623,
          65.6259291,
          618999.8119,
          2382998.483,
          118.1259291
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618877.7119029756,
                2382786.623178629,
                65.62592909937561
              ],
              [
                618877.7119029756,
                2382998.4831786295,
                65.62592909937561
              ],
              [
                618999.8119029757,
                2382998.4831786295,
                118.12592909937561
              ],
              [
                618999.8119029757,
                2382786.623178629,
                118.12592909937561
              ],
              [
                618877.7119029756,
                2382786.623178629,
                65.62592909937561
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:04:45+00:00",
        "end_time": "2013-09-22T01:04:40+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1882.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1882.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1882.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1882.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8520079,
            21.54393514,
            65.6259291,
            -157.8508139,
            21.54585704,
            118.1259291
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85200790517155,
                  21.543943255511724,
                  65.62592909937561
                ],
                [
                  -157.85199285198013,
                  21.545857038204815,
                  65.62592909937561
                ],
                [
                  -157.85081390663925,
                  21.54584891736088,
                  118.12592909937561
                ],
                [
                  -157.85082897526797,
                  21.54393513546682,
                  118.12592909937561
                ],
                [
                  -157.85200790517155,
                  21.543943255511724,
                  65.62592909937561
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1882.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1882.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:04:45Z",
            "pc:count": 115795,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618951.7879,
                "count": 115795,
                "maximum": 618999.8119,
                "minimum": 618877.7119,
                "name": "X",
                "position": 0,
                "stddev": 30.34791832,
                "variance": 920.9961464
              },
              {
                "average": 2382913.454,
                "count": 115795,
                "maximum": 2382998.483,
                "minimum": 2382786.623,
                "name": "Y",
                "position": 1,
                "stddev": 55.31418473,
                "variance": 3059.659033
              },
              {
                "average": 95.45904288,
                "count": 115795,
                "maximum": 118.1259291,
                "minimum": 65.6259291,
                "name": "Z",
                "position": 2,
                "stddev": 9.606484909,
                "variance": 92.2845523
              },
              {
                "average": 10.42712552,
                "count": 115795,
                "maximum": 316,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.42172143,
                "variance": 269.6729347
              },
              {
                "average": 1.629845848,
                "count": 115795,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.931624671,
                "variance": 0.8679245276
              },
              {
                "average": 2.251219828,
                "count": 115795,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.289863489,
                "variance": 1.663747821
              },
              {
                "average": 1,
                "count": 115795,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 115795,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.055701887,
                "count": 115795,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2293461161,
                "variance": 0.05259964099
              },
              {
                "average": 20.19822581,
                "count": 115795,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.395467625,
                "variance": 1.947329893
              },
              {
                "average": 91.67728313,
                "count": 115795,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.37002043,
                "variance": 4538.719652
              },
              {
                "average": 5,
                "count": 115795,
                "maximum": 5,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63847082.9,
                "count": 115795,
                "maximum": 63847085.34,
                "minimum": 63847080.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.301736944,
                "variance": 1.694519072
              },
              {
                "average": 0,
                "count": 115795,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 115795,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 115795,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 115795,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 115795,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618877.7119,
              2382786.623,
              65.6259291,
              618999.8119,
              2382998.483,
              118.1259291
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618877.7119029756,
                    2382786.623178629,
                    65.62592909937561
                  ],
                  [
                    618877.7119029756,
                    2382998.4831786295,
                    65.62592909937561
                  ],
                  [
                    618999.8119029757,
                    2382998.4831786295,
                    118.12592909937561
                  ],
                  [
                    618999.8119029757,
                    2382786.623178629,
                    118.12592909937561
                  ],
                  [
                    618877.7119029756,
                    2382786.623178629,
                    65.62592909937561
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:04:45+00:00",
            "end_time": "2013-09-22T01:04:40+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2452.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.80481564880805,
              21.26547845115217,
              69.0856605372128
            ],
            [
              -157.80480846117263,
              21.26636878231184,
              69.0856605372128
            ],
            [
              -157.8030791860272,
              21.266356507913425,
              93.4256605372128
            ],
            [
              -157.80308638405265,
              21.26546617732549,
              93.4256605372128
            ],
            [
              -157.80481564880805,
              21.26547845115217,
              69.0856605372128
            ]
          ]
        ]
      },
      "bbox": [
        -157.8048156,
        21.26546618,
        69.08566054,
        -157.8030792,
        21.26636878,
        93.42566054
      ],
      "properties": {
        "datetime": "2013-09-15T11:21:15Z",
        "pc:count": 104671,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624070.3768,
            "count": 104671,
            "maximum": 624179.2323,
            "minimum": 623999.7923,
            "name": "X",
            "position": 0,
            "stddev": 46.02613351,
            "variance": 2118.404966
          },
          {
            "average": 2352044.478,
            "count": 104671,
            "maximum": 2352096.988,
            "minimum": 2351998.428,
            "name": "Y",
            "position": 1,
            "stddev": 26.55369012,
            "variance": 705.0984591
          },
          {
            "average": 79.44990144,
            "count": 104671,
            "maximum": 93.42566054,
            "minimum": 69.08566054,
            "name": "Z",
            "position": 2,
            "stddev": 3.988298953,
            "variance": 15.90652854
          },
          {
            "average": 12.72590307,
            "count": 104671,
            "maximum": 251,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.97629929,
            "variance": 360.0999346
          },
          {
            "average": 1.867518224,
            "count": 104671,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.061399089,
            "variance": 1.126568025
          },
          {
            "average": 2.715374841,
            "count": 104671,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.410420104,
            "variance": 1.989284869
          },
          {
            "average": 1,
            "count": 104671,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104671,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.196004624,
            "count": 104671,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3969739499,
            "variance": 0.1575883169
          },
          {
            "average": 21.21820604,
            "count": 104671,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.413615971,
            "variance": 1.998310114
          },
          {
            "average": 91.04181674,
            "count": 104671,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.17101941,
            "variance": 4511.945849
          },
          {
            "average": 7,
            "count": 104671,
            "maximum": 7,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63279273.47,
            "count": 104671,
            "maximum": 63279275.73,
            "minimum": 63279271,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.152614669,
            "variance": 1.328520576
          },
          {
            "average": 0,
            "count": 104671,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104671,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104671,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104671,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104671,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.7923,
          2351998.428,
          69.08566054,
          624179.2323,
          2352096.988,
          93.42566054
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.7922810075,
                2351998.4277223093,
                69.0856605372128
              ],
              [
                623999.7922810075,
                2352096.987722309,
                69.0856605372128
              ],
              [
                624179.2322810075,
                2352096.987722309,
                93.4256605372128
              ],
              [
                624179.2322810075,
                2351998.4277223093,
                93.4256605372128
              ],
              [
                623999.7922810075,
                2351998.4277223093,
                69.0856605372128
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T11:21:15+00:00",
        "end_time": "2013-09-15T11:21:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2452.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2452.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2452.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2452.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8048156,
            21.26546618,
            69.08566054,
            -157.8030792,
            21.26636878,
            93.42566054
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.80481564880805,
                  21.26547845115217,
                  69.0856605372128
                ],
                [
                  -157.80480846117263,
                  21.26636878231184,
                  69.0856605372128
                ],
                [
                  -157.8030791860272,
                  21.266356507913425,
                  93.4256605372128
                ],
                [
                  -157.80308638405265,
                  21.26546617732549,
                  93.4256605372128
                ],
                [
                  -157.80481564880805,
                  21.26547845115217,
                  69.0856605372128
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2452.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2452.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T11:21:15Z",
            "pc:count": 104671,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624070.3768,
                "count": 104671,
                "maximum": 624179.2323,
                "minimum": 623999.7923,
                "name": "X",
                "position": 0,
                "stddev": 46.02613351,
                "variance": 2118.404966
              },
              {
                "average": 2352044.478,
                "count": 104671,
                "maximum": 2352096.988,
                "minimum": 2351998.428,
                "name": "Y",
                "position": 1,
                "stddev": 26.55369012,
                "variance": 705.0984591
              },
              {
                "average": 79.44990144,
                "count": 104671,
                "maximum": 93.42566054,
                "minimum": 69.08566054,
                "name": "Z",
                "position": 2,
                "stddev": 3.988298953,
                "variance": 15.90652854
              },
              {
                "average": 12.72590307,
                "count": 104671,
                "maximum": 251,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.97629929,
                "variance": 360.0999346
              },
              {
                "average": 1.867518224,
                "count": 104671,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.061399089,
                "variance": 1.126568025
              },
              {
                "average": 2.715374841,
                "count": 104671,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.410420104,
                "variance": 1.989284869
              },
              {
                "average": 1,
                "count": 104671,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104671,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.196004624,
                "count": 104671,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3969739499,
                "variance": 0.1575883169
              },
              {
                "average": 21.21820604,
                "count": 104671,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.413615971,
                "variance": 1.998310114
              },
              {
                "average": 91.04181674,
                "count": 104671,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.17101941,
                "variance": 4511.945849
              },
              {
                "average": 7,
                "count": 104671,
                "maximum": 7,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63279273.47,
                "count": 104671,
                "maximum": 63279275.73,
                "minimum": 63279271,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.152614669,
                "variance": 1.328520576
              },
              {
                "average": 0,
                "count": 104671,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104671,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104671,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104671,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104671,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.7923,
              2351998.428,
              69.08566054,
              624179.2323,
              2352096.988,
              93.42566054
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.7922810075,
                    2351998.4277223093,
                    69.0856605372128
                  ],
                  [
                    623999.7922810075,
                    2352096.987722309,
                    69.0856605372128
                  ],
                  [
                    624179.2322810075,
                    2352096.987722309,
                    93.4256605372128
                  ],
                  [
                    624179.2322810075,
                    2351998.4277223093,
                    93.4256605372128
                  ],
                  [
                    623999.7922810075,
                    2351998.4277223093,
                    69.0856605372128
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T11:21:15+00:00",
            "end_time": "2013-09-15T11:21:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2180.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.831719681237,
              21.518615150883438,
              -8.349610358812619
            ],
            [
              -157.83164745669137,
              21.527648349846732,
              -8.349610358812619
            ],
            [
              -157.82199296540867,
              21.527580473584663,
              0.510389641187381
            ],
            [
              -157.82206578437015,
              21.518547306459737,
              0.510389641187381
            ],
            [
              -157.831719681237,
              21.518615150883438,
              -8.349610358812619
            ]
          ]
        ]
      },
      "bbox": [
        -157.8317197,
        21.51854731,
        -8.349610359,
        -157.821993,
        21.52764835,
        0.5103896412
      ],
      "properties": {
        "datetime": "2013-09-24T19:29:10Z",
        "pc:count": 10095295,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621535.7688,
            "count": 10095295,
            "maximum": 621999.8269,
            "minimum": 620999.8069,
            "name": "X",
            "position": 0,
            "stddev": 292.8136394,
            "variance": 85739.82744
          },
          {
            "average": 2380546.312,
            "count": 10095295,
            "maximum": 2380998.484,
            "minimum": 2379998.484,
            "name": "Y",
            "position": 1,
            "stddev": 281.0274196,
            "variance": 78976.41055
          },
          {
            "average": -2.100426167,
            "count": 10095295,
            "maximum": 0.5103896412,
            "minimum": -8.349610359,
            "name": "Z",
            "position": 2,
            "stddev": 1.060492123,
            "variance": 1.124643543
          },
          {
            "average": 7.275036539,
            "count": 10095295,
            "maximum": 8882,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.78645777,
            "variance": 432.0768268
          },
          {
            "average": 1.022312473,
            "count": 10095295,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1492144022,
            "variance": 0.02226493781
          },
          {
            "average": 1.040304617,
            "count": 10095295,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1986916015,
            "variance": 0.03947835251
          },
          {
            "average": 1,
            "count": 10095295,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10095295,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 10095295,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.20016187,
            "count": 10095295,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.942920721,
            "variance": 15.54662381
          },
          {
            "average": 88.54345693,
            "count": 10095295,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 70.62415532,
            "variance": 4987.771315
          },
          {
            "average": 3.661904382,
            "count": 10095295,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.164323499,
            "variance": 10.01294321
          },
          {
            "average": 63788914.83,
            "count": 10095295,
            "maximum": 64086150.31,
            "minimum": 63592025.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 111642.7429,
            "variance": 12464102050.0
          },
          {
            "average": 0,
            "count": 10095295,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10095295,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10095295,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10095295,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10095295,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.8069,
          2379998.484,
          -8.349610359,
          621999.8269,
          2380998.484,
          0.5103896412
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.8068583645,
                2379998.4839496277,
                -8.349610358812619
              ],
              [
                620999.8068583645,
                2380998.4839496277,
                -8.349610358812619
              ],
              [
                621999.8268583645,
                2380998.4839496277,
                0.510389641187381
              ],
              [
                621999.8268583645,
                2379998.4839496277,
                0.510389641187381
              ],
              [
                620999.8068583645,
                2379998.4839496277,
                -8.349610358812619
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T19:29:10+00:00",
        "end_time": "2013-09-19T02:13:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2180.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2180.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2180.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2180.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8317197,
            21.51854731,
            -8.349610359,
            -157.821993,
            21.52764835,
            0.5103896412
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.831719681237,
                  21.518615150883438,
                  -8.349610358812619
                ],
                [
                  -157.83164745669137,
                  21.527648349846732,
                  -8.349610358812619
                ],
                [
                  -157.82199296540867,
                  21.527580473584663,
                  0.510389641187381
                ],
                [
                  -157.82206578437015,
                  21.518547306459737,
                  0.510389641187381
                ],
                [
                  -157.831719681237,
                  21.518615150883438,
                  -8.349610358812619
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2180.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2180.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T19:29:10Z",
            "pc:count": 10095295,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621535.7688,
                "count": 10095295,
                "maximum": 621999.8269,
                "minimum": 620999.8069,
                "name": "X",
                "position": 0,
                "stddev": 292.8136394,
                "variance": 85739.82744
              },
              {
                "average": 2380546.312,
                "count": 10095295,
                "maximum": 2380998.484,
                "minimum": 2379998.484,
                "name": "Y",
                "position": 1,
                "stddev": 281.0274196,
                "variance": 78976.41055
              },
              {
                "average": -2.100426167,
                "count": 10095295,
                "maximum": 0.5103896412,
                "minimum": -8.349610359,
                "name": "Z",
                "position": 2,
                "stddev": 1.060492123,
                "variance": 1.124643543
              },
              {
                "average": 7.275036539,
                "count": 10095295,
                "maximum": 8882,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.78645777,
                "variance": 432.0768268
              },
              {
                "average": 1.022312473,
                "count": 10095295,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1492144022,
                "variance": 0.02226493781
              },
              {
                "average": 1.040304617,
                "count": 10095295,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1986916015,
                "variance": 0.03947835251
              },
              {
                "average": 1,
                "count": 10095295,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10095295,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 10095295,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.20016187,
                "count": 10095295,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.942920721,
                "variance": 15.54662381
              },
              {
                "average": 88.54345693,
                "count": 10095295,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 70.62415532,
                "variance": 4987.771315
              },
              {
                "average": 3.661904382,
                "count": 10095295,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.164323499,
                "variance": 10.01294321
              },
              {
                "average": 63788914.83,
                "count": 10095295,
                "maximum": 64086150.31,
                "minimum": 63592025.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 111642.7429,
                "variance": 12464102050.0
              },
              {
                "average": 0,
                "count": 10095295,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10095295,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10095295,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10095295,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10095295,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.8069,
              2379998.484,
              -8.349610359,
              621999.8269,
              2380998.484,
              0.5103896412
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.8068583645,
                    2379998.4839496277,
                    -8.349610358812619
                  ],
                  [
                    620999.8068583645,
                    2380998.4839496277,
                    -8.349610358812619
                  ],
                  [
                    621999.8268583645,
                    2380998.4839496277,
                    0.510389641187381
                  ],
                  [
                    621999.8268583645,
                    2379998.4839496277,
                    0.510389641187381
                  ],
                  [
                    620999.8068583645,
                    2379998.4839496277,
                    -8.349610358812619
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T19:29:10+00:00",
            "end_time": "2013-09-19T02:13:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2468.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.80235753214862,
              21.411540524758433,
              7.488967407439144
            ],
            [
              -157.80229643426438,
              21.419035928104023,
              7.488967407439144
            ],
            [
              -157.79392304378175,
              21.418975855863188,
              50.66896740743914
            ],
            [
              -157.79398456958032,
              21.411480475736177,
              50.66896740743914
            ],
            [
              -157.80235753214862,
              21.411540524758433,
              7.488967407439144
            ]
          ]
        ]
      },
      "bbox": [
        -157.8023575,
        21.41148048,
        7.488967407,
        -157.793923,
        21.41903593,
        50.66896741
      ],
      "properties": {
        "datetime": "2013-09-21T00:51:39Z",
        "pc:count": 2011892,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624719.0313,
            "count": 2011892,
            "maximum": 624999.8345,
            "minimum": 624131.8545,
            "name": "X",
            "position": 0,
            "stddev": 205.2374172,
            "variance": 42122.39741
          },
          {
            "average": 2368723.053,
            "count": 2011892,
            "maximum": 2368998.472,
            "minimum": 2368168.712,
            "name": "Y",
            "position": 1,
            "stddev": 195.1992576,
            "variance": 38102.75018
          },
          {
            "average": 22.26563243,
            "count": 2011892,
            "maximum": 50.66896741,
            "minimum": 7.488967407,
            "name": "Z",
            "position": 2,
            "stddev": 5.812553185,
            "variance": 33.78577453
          },
          {
            "average": 24.70450949,
            "count": 2011892,
            "maximum": 979,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.07152525,
            "variance": 2031.442388
          },
          {
            "average": 1.367362165,
            "count": 2011892,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7249965683,
            "variance": 0.525620024
          },
          {
            "average": 1.735144829,
            "count": 2011892,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.067985599,
            "variance": 1.14059324
          },
          {
            "average": 1,
            "count": 2011892,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2011892,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.220510345,
            "count": 2011892,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4145909049,
            "variance": 0.1718856185
          },
          {
            "average": 19.98053512,
            "count": 2011892,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.104872593,
            "variance": 4.430488632
          },
          {
            "average": 91.39733495,
            "count": 2011892,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.45223475,
            "variance": 4283.995034
          },
          {
            "average": 4.493315248,
            "count": 2011892,
            "maximum": 5,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6846362053,
            "variance": 0.4687267336
          },
          {
            "average": 63759616.82,
            "count": 2011892,
            "maximum": 63759899.94,
            "minimum": 63758215.28,
            "name": "GpsTime",
            "position": 12,
            "stddev": 379.4535307,
            "variance": 143984.982
          },
          {
            "average": 0,
            "count": 2011892,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2011892,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2011892,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2011892,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2011892,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624131.8545,
          2368168.712,
          7.488967407,
          624999.8345,
          2368998.472,
          50.66896741
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624131.8544625717,
                2368168.71168535,
                7.488967407439144
              ],
              [
                624131.8544625717,
                2368998.47168535,
                7.488967407439144
              ],
              [
                624999.8344625717,
                2368998.47168535,
                50.66896740743914
              ],
              [
                624999.8344625717,
                2368168.71168535,
                50.66896740743914
              ],
              [
                624131.8544625717,
                2368168.71168535,
                7.488967407439144
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:51:39+00:00",
        "end_time": "2013-09-21T00:23:35+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2468.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2468.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2468.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2468.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8023575,
            21.41148048,
            7.488967407,
            -157.793923,
            21.41903593,
            50.66896741
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.80235753214862,
                  21.411540524758433,
                  7.488967407439144
                ],
                [
                  -157.80229643426438,
                  21.419035928104023,
                  7.488967407439144
                ],
                [
                  -157.79392304378175,
                  21.418975855863188,
                  50.66896740743914
                ],
                [
                  -157.79398456958032,
                  21.411480475736177,
                  50.66896740743914
                ],
                [
                  -157.80235753214862,
                  21.411540524758433,
                  7.488967407439144
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2468.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2468.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:51:39Z",
            "pc:count": 2011892,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624719.0313,
                "count": 2011892,
                "maximum": 624999.8345,
                "minimum": 624131.8545,
                "name": "X",
                "position": 0,
                "stddev": 205.2374172,
                "variance": 42122.39741
              },
              {
                "average": 2368723.053,
                "count": 2011892,
                "maximum": 2368998.472,
                "minimum": 2368168.712,
                "name": "Y",
                "position": 1,
                "stddev": 195.1992576,
                "variance": 38102.75018
              },
              {
                "average": 22.26563243,
                "count": 2011892,
                "maximum": 50.66896741,
                "minimum": 7.488967407,
                "name": "Z",
                "position": 2,
                "stddev": 5.812553185,
                "variance": 33.78577453
              },
              {
                "average": 24.70450949,
                "count": 2011892,
                "maximum": 979,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.07152525,
                "variance": 2031.442388
              },
              {
                "average": 1.367362165,
                "count": 2011892,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7249965683,
                "variance": 0.525620024
              },
              {
                "average": 1.735144829,
                "count": 2011892,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.067985599,
                "variance": 1.14059324
              },
              {
                "average": 1,
                "count": 2011892,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2011892,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.220510345,
                "count": 2011892,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4145909049,
                "variance": 0.1718856185
              },
              {
                "average": 19.98053512,
                "count": 2011892,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.104872593,
                "variance": 4.430488632
              },
              {
                "average": 91.39733495,
                "count": 2011892,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.45223475,
                "variance": 4283.995034
              },
              {
                "average": 4.493315248,
                "count": 2011892,
                "maximum": 5,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6846362053,
                "variance": 0.4687267336
              },
              {
                "average": 63759616.82,
                "count": 2011892,
                "maximum": 63759899.94,
                "minimum": 63758215.28,
                "name": "GpsTime",
                "position": 12,
                "stddev": 379.4535307,
                "variance": 143984.982
              },
              {
                "average": 0,
                "count": 2011892,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2011892,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2011892,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2011892,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2011892,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624131.8545,
              2368168.712,
              7.488967407,
              624999.8345,
              2368998.472,
              50.66896741
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624131.8544625717,
                    2368168.71168535,
                    7.488967407439144
                  ],
                  [
                    624131.8544625717,
                    2368998.47168535,
                    7.488967407439144
                  ],
                  [
                    624999.8344625717,
                    2368998.47168535,
                    50.66896740743914
                  ],
                  [
                    624999.8344625717,
                    2368168.71168535,
                    50.66896740743914
                  ],
                  [
                    624131.8544625717,
                    2368168.71168535,
                    7.488967407439144
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:51:39+00:00",
            "end_time": "2013-09-21T00:23:35+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj1977.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85124025091585,
              21.491649337972774,
              -5.988554120160442
            ],
            [
              -157.8511693295036,
              21.5006826291271,
              -5.988554120160442
            ],
            [
              -157.8415165637549,
              21.500615959953855,
              35.31144587983956
            ],
            [
              -157.84158808024495,
              21.4915826998274,
              35.31144587983956
            ],
            [
              -157.85124025091585,
              21.491649337972774,
              -5.988554120160442
            ]
          ]
        ]
      },
      "bbox": [
        -157.8512403,
        21.4915827,
        -5.98855412,
        -157.8415166,
        21.50068263,
        35.31144588
      ],
      "properties": {
        "datetime": "2013-09-24T19:22:51Z",
        "pc:count": 6175286,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619477.3283,
            "count": 6175286,
            "maximum": 619999.806,
            "minimum": 618999.786,
            "name": "X",
            "position": 0,
            "stddev": 314.262285,
            "variance": 98760.78378
          },
          {
            "average": 2377457.908,
            "count": 6175286,
            "maximum": 2377998.485,
            "minimum": 2376998.485,
            "name": "Y",
            "position": 1,
            "stddev": 291.73369,
            "variance": 85108.54588
          },
          {
            "average": 3.695624433,
            "count": 6175286,
            "maximum": 35.31144588,
            "minimum": -5.98855412,
            "name": "Z",
            "position": 2,
            "stddev": 7.073347976,
            "variance": 50.03225159
          },
          {
            "average": 4.859727307,
            "count": 6175286,
            "maximum": 7709,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.0140598,
            "variance": 225.4219918
          },
          {
            "average": 1.243528478,
            "count": 6175286,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6669049903,
            "variance": 0.4447622661
          },
          {
            "average": 1.487874246,
            "count": 6175286,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.043163003,
            "variance": 1.088189051
          },
          {
            "average": 1,
            "count": 6175286,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6175286,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.56434633,
            "count": 6175286,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.20163316,
            "variance": 174.2831181
          },
          {
            "average": 20.54626092,
            "count": 6175286,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.311999889,
            "variance": 18.59334304
          },
          {
            "average": 89.70012223,
            "count": 6175286,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.88548305,
            "variance": 5024.751708
          },
          {
            "average": 4.837575944,
            "count": 6175286,
            "maximum": 19,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.461935138,
            "variance": 11.9849949
          },
          {
            "average": 63838674.44,
            "count": 6175286,
            "maximum": 64085771.71,
            "minimum": 63658334.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 106602.1646,
            "variance": 11364021500.0
          },
          {
            "average": 0,
            "count": 6175286,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6175286,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6175286,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6175286,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6175286,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.786,
          2376998.485,
          -5.98855412,
          619999.806,
          2377998.485,
          35.31144588
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.7859741652,
                2376998.485264824,
                -5.988554120160442
              ],
              [
                618999.7859741652,
                2377998.485264824,
                -5.988554120160442
              ],
              [
                619999.8059741652,
                2377998.485264824,
                35.31144587983956
              ],
              [
                619999.8059741652,
                2376998.485264824,
                35.31144587983956
              ],
              [
                618999.7859741652,
                2376998.485264824,
                -5.988554120160442
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T19:22:51+00:00",
        "end_time": "2013-09-19T20:38:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj1977.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj1977.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj1977.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj1977.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8512403,
            21.4915827,
            -5.98855412,
            -157.8415166,
            21.50068263,
            35.31144588
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85124025091585,
                  21.491649337972774,
                  -5.988554120160442
                ],
                [
                  -157.8511693295036,
                  21.5006826291271,
                  -5.988554120160442
                ],
                [
                  -157.8415165637549,
                  21.500615959953855,
                  35.31144587983956
                ],
                [
                  -157.84158808024495,
                  21.4915826998274,
                  35.31144587983956
                ],
                [
                  -157.85124025091585,
                  21.491649337972774,
                  -5.988554120160442
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj1977.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj1977.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T19:22:51Z",
            "pc:count": 6175286,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619477.3283,
                "count": 6175286,
                "maximum": 619999.806,
                "minimum": 618999.786,
                "name": "X",
                "position": 0,
                "stddev": 314.262285,
                "variance": 98760.78378
              },
              {
                "average": 2377457.908,
                "count": 6175286,
                "maximum": 2377998.485,
                "minimum": 2376998.485,
                "name": "Y",
                "position": 1,
                "stddev": 291.73369,
                "variance": 85108.54588
              },
              {
                "average": 3.695624433,
                "count": 6175286,
                "maximum": 35.31144588,
                "minimum": -5.98855412,
                "name": "Z",
                "position": 2,
                "stddev": 7.073347976,
                "variance": 50.03225159
              },
              {
                "average": 4.859727307,
                "count": 6175286,
                "maximum": 7709,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.0140598,
                "variance": 225.4219918
              },
              {
                "average": 1.243528478,
                "count": 6175286,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6669049903,
                "variance": 0.4447622661
              },
              {
                "average": 1.487874246,
                "count": 6175286,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.043163003,
                "variance": 1.088189051
              },
              {
                "average": 1,
                "count": 6175286,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6175286,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.56434633,
                "count": 6175286,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.20163316,
                "variance": 174.2831181
              },
              {
                "average": 20.54626092,
                "count": 6175286,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.311999889,
                "variance": 18.59334304
              },
              {
                "average": 89.70012223,
                "count": 6175286,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.88548305,
                "variance": 5024.751708
              },
              {
                "average": 4.837575944,
                "count": 6175286,
                "maximum": 19,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.461935138,
                "variance": 11.9849949
              },
              {
                "average": 63838674.44,
                "count": 6175286,
                "maximum": 64085771.71,
                "minimum": 63658334.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 106602.1646,
                "variance": 11364021500.0
              },
              {
                "average": 0,
                "count": 6175286,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6175286,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6175286,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6175286,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6175286,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.786,
              2376998.485,
              -5.98855412,
              619999.806,
              2377998.485,
              35.31144588
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.7859741652,
                    2376998.485264824,
                    -5.988554120160442
                  ],
                  [
                    618999.7859741652,
                    2377998.485264824,
                    -5.988554120160442
                  ],
                  [
                    619999.8059741652,
                    2377998.485264824,
                    35.31144587983956
                  ],
                  [
                    619999.8059741652,
                    2376998.485264824,
                    35.31144587983956
                  ],
                  [
                    618999.7859741652,
                    2376998.485264824,
                    -5.988554120160442
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T19:22:51+00:00",
            "end_time": "2013-09-19T20:38:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1883.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85850580524323,
              21.545901817010957,
              0.944974230379273
            ],
            [
              -157.85843513243566,
              21.554935074062755,
              0.944974230379273
            ],
            [
              -157.8507428254034,
              21.554882216622023,
              220.72497423037927
            ],
            [
              -157.85081397381592,
              21.545848984098903,
              220.72497423037927
            ],
            [
              -157.85850580524323,
              21.545901817010957,
              0.944974230379273
            ]
          ]
        ]
      },
      "bbox": [
        -157.8585058,
        21.54584898,
        0.9449742304,
        -157.8507428,
        21.55493507,
        220.7249742
      ],
      "properties": {
        "datetime": "2013-09-22T01:04:43Z",
        "pc:count": 2813070,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618719.1726,
            "count": 2813070,
            "maximum": 618999.8049,
            "minimum": 618203.1849,
            "name": "X",
            "position": 0,
            "stddev": 194.3865302,
            "variance": 37786.12312
          },
          {
            "average": 2383632.731,
            "count": 2813070,
            "maximum": 2383998.491,
            "minimum": 2382998.491,
            "name": "Y",
            "position": 1,
            "stddev": 248.9158884,
            "variance": 61959.11949
          },
          {
            "average": 67.32861344,
            "count": 2813070,
            "maximum": 220.7249742,
            "minimum": 0.9449742304,
            "name": "Z",
            "position": 2,
            "stddev": 49.3240797,
            "variance": 2432.864838
          },
          {
            "average": 14.32018898,
            "count": 2813070,
            "maximum": 886,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.05535046,
            "variance": 731.9919886
          },
          {
            "average": 1.508580661,
            "count": 2813070,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8287439667,
            "variance": 0.6868165623
          },
          {
            "average": 2.017215,
            "count": 2813070,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.166740685,
            "variance": 1.361283825
          },
          {
            "average": 1,
            "count": 2813070,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2813070,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.121341097,
            "count": 2813070,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3265233118,
            "variance": 0.1066174732
          },
          {
            "average": 19.99054663,
            "count": 2813070,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.421384882,
            "variance": 5.863104745
          },
          {
            "average": 90.52669646,
            "count": 2813070,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.26047405,
            "variance": 4523.97137
          },
          {
            "average": 4.350990555,
            "count": 2813070,
            "maximum": 5,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7556478224,
            "variance": 0.5710036316
          },
          {
            "average": 63846607.85,
            "count": 2813070,
            "maximum": 63847083.97,
            "minimum": 63845107.12,
            "name": "GpsTime",
            "position": 12,
            "stddev": 496.5163601,
            "variance": 246528.4958
          },
          {
            "average": 0,
            "count": 2813070,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2813070,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2813070,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2813070,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2813070,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618203.1849,
          2382998.491,
          0.9449742304,
          618999.8049,
          2383998.491,
          220.7249742
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618203.1848916339,
                2382998.4905150314,
                0.944974230379273
              ],
              [
                618203.1848916339,
                2383998.4905150314,
                0.944974230379273
              ],
              [
                618999.804891634,
                2383998.4905150314,
                220.72497423037927
              ],
              [
                618999.804891634,
                2382998.4905150314,
                220.72497423037927
              ],
              [
                618203.1848916339,
                2382998.4905150314,
                0.944974230379273
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:04:43+00:00",
        "end_time": "2013-09-22T00:31:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1883.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1883.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1883.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1883.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8585058,
            21.54584898,
            0.9449742304,
            -157.8507428,
            21.55493507,
            220.7249742
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85850580524323,
                  21.545901817010957,
                  0.944974230379273
                ],
                [
                  -157.85843513243566,
                  21.554935074062755,
                  0.944974230379273
                ],
                [
                  -157.8507428254034,
                  21.554882216622023,
                  220.72497423037927
                ],
                [
                  -157.85081397381592,
                  21.545848984098903,
                  220.72497423037927
                ],
                [
                  -157.85850580524323,
                  21.545901817010957,
                  0.944974230379273
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1883.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1883.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:04:43Z",
            "pc:count": 2813070,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618719.1726,
                "count": 2813070,
                "maximum": 618999.8049,
                "minimum": 618203.1849,
                "name": "X",
                "position": 0,
                "stddev": 194.3865302,
                "variance": 37786.12312
              },
              {
                "average": 2383632.731,
                "count": 2813070,
                "maximum": 2383998.491,
                "minimum": 2382998.491,
                "name": "Y",
                "position": 1,
                "stddev": 248.9158884,
                "variance": 61959.11949
              },
              {
                "average": 67.32861344,
                "count": 2813070,
                "maximum": 220.7249742,
                "minimum": 0.9449742304,
                "name": "Z",
                "position": 2,
                "stddev": 49.3240797,
                "variance": 2432.864838
              },
              {
                "average": 14.32018898,
                "count": 2813070,
                "maximum": 886,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.05535046,
                "variance": 731.9919886
              },
              {
                "average": 1.508580661,
                "count": 2813070,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8287439667,
                "variance": 0.6868165623
              },
              {
                "average": 2.017215,
                "count": 2813070,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.166740685,
                "variance": 1.361283825
              },
              {
                "average": 1,
                "count": 2813070,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2813070,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.121341097,
                "count": 2813070,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3265233118,
                "variance": 0.1066174732
              },
              {
                "average": 19.99054663,
                "count": 2813070,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.421384882,
                "variance": 5.863104745
              },
              {
                "average": 90.52669646,
                "count": 2813070,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.26047405,
                "variance": 4523.97137
              },
              {
                "average": 4.350990555,
                "count": 2813070,
                "maximum": 5,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7556478224,
                "variance": 0.5710036316
              },
              {
                "average": 63846607.85,
                "count": 2813070,
                "maximum": 63847083.97,
                "minimum": 63845107.12,
                "name": "GpsTime",
                "position": 12,
                "stddev": 496.5163601,
                "variance": 246528.4958
              },
              {
                "average": 0,
                "count": 2813070,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2813070,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2813070,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2813070,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2813070,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618203.1849,
              2382998.491,
              0.9449742304,
              618999.8049,
              2383998.491,
              220.7249742
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618203.1848916339,
                    2382998.4905150314,
                    0.944974230379273
                  ],
                  [
                    618203.1848916339,
                    2383998.4905150314,
                    0.944974230379273
                  ],
                  [
                    618999.804891634,
                    2383998.4905150314,
                    220.72497423037927
                  ],
                  [
                    618999.804891634,
                    2382998.4905150314,
                    220.72497423037927
                  ],
                  [
                    618203.1848916339,
                    2382998.4905150314,
                    0.944974230379273
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:04:43+00:00",
            "end_time": "2013-09-22T00:31:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj1657.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.88157175222898,
              21.311175878420425,
              -14.619882612558047
            ],
            [
              -157.8815033350692,
              21.320209459310323,
              -14.619882612558047
            ],
            [
              -157.8718623044241,
              21.320145078836365,
              72.18011738744195
            ],
            [
              -157.87193131105445,
              21.311111528323178,
              72.18011738744195
            ],
            [
              -157.88157175222898,
              21.311175878420425,
              -14.619882612558047
            ]
          ]
        ]
      },
      "bbox": [
        -157.8815718,
        21.31111153,
        -14.61988261,
        -157.8718623,
        21.32020946,
        72.18011739
      ],
      "properties": {
        "datetime": "2013-09-16T11:34:35Z",
        "pc:count": 4019745,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 616593.9623,
            "count": 4019745,
            "maximum": 616999.7772,
            "minimum": 615999.7572,
            "name": "X",
            "position": 0,
            "stddev": 270.5918937,
            "variance": 73219.97295
          },
          {
            "average": 2357523.045,
            "count": 4019745,
            "maximum": 2357998.449,
            "minimum": 2356998.449,
            "name": "Y",
            "position": 1,
            "stddev": 298.7048217,
            "variance": 89224.57053
          },
          {
            "average": 4.733302435,
            "count": 4019745,
            "maximum": 72.18011739,
            "minimum": -14.61988261,
            "name": "Z",
            "position": 2,
            "stddev": 5.578408816,
            "variance": 31.11864492
          },
          {
            "average": 40.34718645,
            "count": 4019745,
            "maximum": 1067,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 64.73759343,
            "variance": 4190.956003
          },
          {
            "average": 1.137204723,
            "count": 4019745,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4388091776,
            "variance": 0.1925534943
          },
          {
            "average": 1.252293864,
            "count": 4019745,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6365682924,
            "variance": 0.4052191909
          },
          {
            "average": 1,
            "count": 4019745,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4019745,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.326885909,
            "count": 4019745,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.342409065,
            "variance": 28.54133461
          },
          {
            "average": 0,
            "count": 4019745,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 96.54438702,
            "count": 4019745,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.3821355,
            "variance": 4406.587914
          },
          {
            "average": 5.888147134,
            "count": 4019745,
            "maximum": 11,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.117798473,
            "variance": 4.485070371
          },
          {
            "average": 63362201.8,
            "count": 4019745,
            "maximum": 63366475.98,
            "minimum": 63359834.32,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1858.443822,
            "variance": 3453813.439
          },
          {
            "average": 0,
            "count": 4019745,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4019745,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4019745,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4019745,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4019745,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          615999.7572,
          2356998.449,
          -14.61988261,
          616999.7772,
          2357998.449,
          72.18011739
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                615999.7572220858,
                2356998.448926465,
                -14.619882612558047
              ],
              [
                615999.7572220858,
                2357998.448926465,
                -14.619882612558047
              ],
              [
                616999.7772220859,
                2357998.448926465,
                72.18011738744195
              ],
              [
                616999.7772220859,
                2356998.448926465,
                72.18011738744195
              ],
              [
                615999.7572220858,
                2356998.448926465,
                -14.619882612558047
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T11:34:35+00:00",
        "end_time": "2013-09-16T09:43:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj1657.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj1657.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj1657.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1657.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8815718,
            21.31111153,
            -14.61988261,
            -157.8718623,
            21.32020946,
            72.18011739
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.88157175222898,
                  21.311175878420425,
                  -14.619882612558047
                ],
                [
                  -157.8815033350692,
                  21.320209459310323,
                  -14.619882612558047
                ],
                [
                  -157.8718623044241,
                  21.320145078836365,
                  72.18011738744195
                ],
                [
                  -157.87193131105445,
                  21.311111528323178,
                  72.18011738744195
                ],
                [
                  -157.88157175222898,
                  21.311175878420425,
                  -14.619882612558047
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj1657.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj1657.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T11:34:35Z",
            "pc:count": 4019745,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 616593.9623,
                "count": 4019745,
                "maximum": 616999.7772,
                "minimum": 615999.7572,
                "name": "X",
                "position": 0,
                "stddev": 270.5918937,
                "variance": 73219.97295
              },
              {
                "average": 2357523.045,
                "count": 4019745,
                "maximum": 2357998.449,
                "minimum": 2356998.449,
                "name": "Y",
                "position": 1,
                "stddev": 298.7048217,
                "variance": 89224.57053
              },
              {
                "average": 4.733302435,
                "count": 4019745,
                "maximum": 72.18011739,
                "minimum": -14.61988261,
                "name": "Z",
                "position": 2,
                "stddev": 5.578408816,
                "variance": 31.11864492
              },
              {
                "average": 40.34718645,
                "count": 4019745,
                "maximum": 1067,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 64.73759343,
                "variance": 4190.956003
              },
              {
                "average": 1.137204723,
                "count": 4019745,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4388091776,
                "variance": 0.1925534943
              },
              {
                "average": 1.252293864,
                "count": 4019745,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6365682924,
                "variance": 0.4052191909
              },
              {
                "average": 1,
                "count": 4019745,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4019745,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.326885909,
                "count": 4019745,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.342409065,
                "variance": 28.54133461
              },
              {
                "average": 0,
                "count": 4019745,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 96.54438702,
                "count": 4019745,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.3821355,
                "variance": 4406.587914
              },
              {
                "average": 5.888147134,
                "count": 4019745,
                "maximum": 11,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.117798473,
                "variance": 4.485070371
              },
              {
                "average": 63362201.8,
                "count": 4019745,
                "maximum": 63366475.98,
                "minimum": 63359834.32,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1858.443822,
                "variance": 3453813.439
              },
              {
                "average": 0,
                "count": 4019745,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4019745,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4019745,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4019745,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4019745,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              615999.7572,
              2356998.449,
              -14.61988261,
              616999.7772,
              2357998.449,
              72.18011739
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    615999.7572220858,
                    2356998.448926465,
                    -14.619882612558047
                  ],
                  [
                    615999.7572220858,
                    2357998.448926465,
                    -14.619882612558047
                  ],
                  [
                    616999.7772220859,
                    2357998.448926465,
                    72.18011738744195
                  ],
                  [
                    616999.7772220859,
                    2356998.448926465,
                    72.18011738744195
                  ],
                  [
                    615999.7572220858,
                    2356998.448926465,
                    -14.619882612558047
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T11:34:35+00:00",
            "end_time": "2013-09-16T09:43:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2571.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.79377474293838,
              21.43704229783436,
              -18.32947170249236
            ],
            [
              -157.79370048054088,
              21.44607545930537,
              -18.32947170249236
            ],
            [
              -157.78405174440775,
              21.44600563158825,
              0.53052829750764
            ],
            [
              -157.78412660462814,
              21.436972502446462,
              0.53052829750764
            ],
            [
              -157.79377474293838,
              21.43704229783436,
              -18.32947170249236
            ]
          ]
        ]
      },
      "bbox": [
        -157.7937747,
        21.4369725,
        -18.3294717,
        -157.7840517,
        21.44607546,
        0.5305282975
      ],
      "properties": {
        "datetime": "2013-09-20T20:00:31Z",
        "pc:count": 1010929,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625518.0923,
            "count": 1010929,
            "maximum": 625999.8219,
            "minimum": 624999.8219,
            "name": "X",
            "position": 0,
            "stddev": 288.4316865,
            "variance": 83192.83775
          },
          {
            "average": 2371583.45,
            "count": 1010929,
            "maximum": 2371998.481,
            "minimum": 2370998.481,
            "name": "Y",
            "position": 1,
            "stddev": 301.7359157,
            "variance": 91044.56282
          },
          {
            "average": -4.300322494,
            "count": 1010929,
            "maximum": 0.5305282975,
            "minimum": -18.3294717,
            "name": "Z",
            "position": 2,
            "stddev": 4.857969963,
            "variance": 23.59987216
          },
          {
            "average": 12.17200614,
            "count": 1010929,
            "maximum": 7684,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.45205082,
            "variance": 647.8068908
          },
          {
            "average": 1.038590247,
            "count": 1010929,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1955369239,
            "variance": 0.0382346886
          },
          {
            "average": 1.071000041,
            "count": 1010929,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2625388932,
            "variance": 0.06892667043
          },
          {
            "average": 1,
            "count": 1010929,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1010929,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1010929,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.66127806,
            "count": 1010929,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.181838831,
            "variance": 10.12409834
          },
          {
            "average": 126.7378322,
            "count": 1010929,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 90.7831327,
            "variance": 8241.577182
          },
          {
            "average": 2.304761264,
            "count": 1010929,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.530489389,
            "variance": 2.34239777
          },
          {
            "average": 63713835.69,
            "count": 1010929,
            "maximum": 63742431.47,
            "minimum": 63659365,
            "name": "GpsTime",
            "position": 12,
            "stddev": 31166.77817,
            "variance": 971368061.3
          },
          {
            "average": 0,
            "count": 1010929,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1010929,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1010929,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1010929,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1010929,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.8219,
          2370998.481,
          -18.3294717,
          625999.8219,
          2371998.481,
          0.5305282975
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.8219010143,
                2370998.481464459,
                -18.32947170249236
              ],
              [
                624999.8219010143,
                2371998.481464459,
                -18.32947170249236
              ],
              [
                625999.8219010143,
                2371998.481464459,
                0.53052829750764
              ],
              [
                625999.8219010143,
                2370998.481464459,
                0.53052829750764
              ],
              [
                624999.8219010143,
                2370998.481464459,
                -18.32947170249236
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:00:31+00:00",
        "end_time": "2013-09-19T20:56:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2571.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2571.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2571.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2571.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7937747,
            21.4369725,
            -18.3294717,
            -157.7840517,
            21.44607546,
            0.5305282975
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.79377474293838,
                  21.43704229783436,
                  -18.32947170249236
                ],
                [
                  -157.79370048054088,
                  21.44607545930537,
                  -18.32947170249236
                ],
                [
                  -157.78405174440775,
                  21.44600563158825,
                  0.53052829750764
                ],
                [
                  -157.78412660462814,
                  21.436972502446462,
                  0.53052829750764
                ],
                [
                  -157.79377474293838,
                  21.43704229783436,
                  -18.32947170249236
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2571.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2571.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:00:31Z",
            "pc:count": 1010929,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625518.0923,
                "count": 1010929,
                "maximum": 625999.8219,
                "minimum": 624999.8219,
                "name": "X",
                "position": 0,
                "stddev": 288.4316865,
                "variance": 83192.83775
              },
              {
                "average": 2371583.45,
                "count": 1010929,
                "maximum": 2371998.481,
                "minimum": 2370998.481,
                "name": "Y",
                "position": 1,
                "stddev": 301.7359157,
                "variance": 91044.56282
              },
              {
                "average": -4.300322494,
                "count": 1010929,
                "maximum": 0.5305282975,
                "minimum": -18.3294717,
                "name": "Z",
                "position": 2,
                "stddev": 4.857969963,
                "variance": 23.59987216
              },
              {
                "average": 12.17200614,
                "count": 1010929,
                "maximum": 7684,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.45205082,
                "variance": 647.8068908
              },
              {
                "average": 1.038590247,
                "count": 1010929,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1955369239,
                "variance": 0.0382346886
              },
              {
                "average": 1.071000041,
                "count": 1010929,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2625388932,
                "variance": 0.06892667043
              },
              {
                "average": 1,
                "count": 1010929,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1010929,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1010929,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.66127806,
                "count": 1010929,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.181838831,
                "variance": 10.12409834
              },
              {
                "average": 126.7378322,
                "count": 1010929,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 90.7831327,
                "variance": 8241.577182
              },
              {
                "average": 2.304761264,
                "count": 1010929,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.530489389,
                "variance": 2.34239777
              },
              {
                "average": 63713835.69,
                "count": 1010929,
                "maximum": 63742431.47,
                "minimum": 63659365,
                "name": "GpsTime",
                "position": 12,
                "stddev": 31166.77817,
                "variance": 971368061.3
              },
              {
                "average": 0,
                "count": 1010929,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1010929,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1010929,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1010929,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1010929,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.8219,
              2370998.481,
              -18.3294717,
              625999.8219,
              2371998.481,
              0.5305282975
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.8219010143,
                    2370998.481464459,
                    -18.32947170249236
                  ],
                  [
                    624999.8219010143,
                    2371998.481464459,
                    -18.32947170249236
                  ],
                  [
                    625999.8219010143,
                    2371998.481464459,
                    0.53052829750764
                  ],
                  [
                    625999.8219010143,
                    2370998.481464459,
                    0.53052829750764
                  ],
                  [
                    624999.8219010143,
                    2370998.481464459,
                    -18.32947170249236
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:00:31+00:00",
            "end_time": "2013-09-19T20:56:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1784.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.87005539393587,
              21.555014195012316,
              -10.491341537733192
            ],
            [
              -157.86998540248584,
              21.564047479008682,
              -10.491341537733192
            ],
            [
              -157.86032839127267,
              21.563981710855952,
              209.14865846226684
            ],
            [
              -157.86039898023006,
              21.554948457348612,
              209.14865846226684
            ],
            [
              -157.87005539393587,
              21.555014195012316,
              -10.491341537733192
            ]
          ]
        ]
      },
      "bbox": [
        -157.8700554,
        21.55494846,
        -10.49134154,
        -157.8603284,
        21.56404748,
        209.1486585
      ],
      "properties": {
        "datetime": "2013-09-23T23:52:33Z",
        "pc:count": 7910874,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617490.5213,
            "count": 7910874,
            "maximum": 617999.808,
            "minimum": 616999.788,
            "name": "X",
            "position": 0,
            "stddev": 277.7383205,
            "variance": 77138.5747
          },
          {
            "average": 2384411.94,
            "count": 7910874,
            "maximum": 2384998.484,
            "minimum": 2383998.484,
            "name": "Y",
            "position": 1,
            "stddev": 274.3178592,
            "variance": 75250.2879
          },
          {
            "average": 29.50458424,
            "count": 7910874,
            "maximum": 209.1486585,
            "minimum": -10.49134154,
            "name": "Z",
            "position": 2,
            "stddev": 40.01305567,
            "variance": 1601.044624
          },
          {
            "average": 8.083667873,
            "count": 7910874,
            "maximum": 8521,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.57781479,
            "variance": 604.0689797
          },
          {
            "average": 1.498040419,
            "count": 7910874,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8712563722,
            "variance": 0.7590876661
          },
          {
            "average": 1.992168501,
            "count": 7910874,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.274159276,
            "variance": 1.623481859
          },
          {
            "average": 1,
            "count": 7910874,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7910874,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.79274389,
            "count": 7910874,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.57484889,
            "variance": 184.2765223
          },
          {
            "average": 20.08492264,
            "count": 7910874,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.048194951,
            "variance": 9.291492459
          },
          {
            "average": 91.66950516,
            "count": 7910874,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.33252992,
            "variance": 4946.664765
          },
          {
            "average": 13.82233758,
            "count": 7910874,
            "maximum": 20,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.748529053,
            "variance": 22.54852817
          },
          {
            "average": 63995255.46,
            "count": 7910874,
            "maximum": 64015553.43,
            "minimum": 63846260.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 53103.09093,
            "variance": 2819938266
          },
          {
            "average": 0,
            "count": 7910874,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7910874,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7910874,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7910874,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7910874,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.788,
          2383998.484,
          -10.49134154,
          617999.808,
          2384998.484,
          209.1486585
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.7880403595,
                2383998.484496682,
                -10.491341537733192
              ],
              [
                616999.7880403595,
                2384998.484496682,
                -10.491341537733192
              ],
              [
                617999.8080403595,
                2384998.484496682,
                209.14865846226684
              ],
              [
                617999.8080403595,
                2383998.484496682,
                209.14865846226684
              ],
              [
                616999.7880403595,
                2383998.484496682,
                -10.491341537733192
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:52:33+00:00",
        "end_time": "2013-09-22T00:51:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1784.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1784.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1784.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1784.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8700554,
            21.55494846,
            -10.49134154,
            -157.8603284,
            21.56404748,
            209.1486585
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.87005539393587,
                  21.555014195012316,
                  -10.491341537733192
                ],
                [
                  -157.86998540248584,
                  21.564047479008682,
                  -10.491341537733192
                ],
                [
                  -157.86032839127267,
                  21.563981710855952,
                  209.14865846226684
                ],
                [
                  -157.86039898023006,
                  21.554948457348612,
                  209.14865846226684
                ],
                [
                  -157.87005539393587,
                  21.555014195012316,
                  -10.491341537733192
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1784.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1784.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:52:33Z",
            "pc:count": 7910874,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617490.5213,
                "count": 7910874,
                "maximum": 617999.808,
                "minimum": 616999.788,
                "name": "X",
                "position": 0,
                "stddev": 277.7383205,
                "variance": 77138.5747
              },
              {
                "average": 2384411.94,
                "count": 7910874,
                "maximum": 2384998.484,
                "minimum": 2383998.484,
                "name": "Y",
                "position": 1,
                "stddev": 274.3178592,
                "variance": 75250.2879
              },
              {
                "average": 29.50458424,
                "count": 7910874,
                "maximum": 209.1486585,
                "minimum": -10.49134154,
                "name": "Z",
                "position": 2,
                "stddev": 40.01305567,
                "variance": 1601.044624
              },
              {
                "average": 8.083667873,
                "count": 7910874,
                "maximum": 8521,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.57781479,
                "variance": 604.0689797
              },
              {
                "average": 1.498040419,
                "count": 7910874,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8712563722,
                "variance": 0.7590876661
              },
              {
                "average": 1.992168501,
                "count": 7910874,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.274159276,
                "variance": 1.623481859
              },
              {
                "average": 1,
                "count": 7910874,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7910874,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.79274389,
                "count": 7910874,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.57484889,
                "variance": 184.2765223
              },
              {
                "average": 20.08492264,
                "count": 7910874,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.048194951,
                "variance": 9.291492459
              },
              {
                "average": 91.66950516,
                "count": 7910874,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.33252992,
                "variance": 4946.664765
              },
              {
                "average": 13.82233758,
                "count": 7910874,
                "maximum": 20,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.748529053,
                "variance": 22.54852817
              },
              {
                "average": 63995255.46,
                "count": 7910874,
                "maximum": 64015553.43,
                "minimum": 63846260.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 53103.09093,
                "variance": 2819938266
              },
              {
                "average": 0,
                "count": 7910874,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7910874,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7910874,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7910874,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7910874,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.788,
              2383998.484,
              -10.49134154,
              617999.808,
              2384998.484,
              209.1486585
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.7880403595,
                    2383998.484496682,
                    -10.491341537733192
                  ],
                  [
                    616999.7880403595,
                    2384998.484496682,
                    -10.491341537733192
                  ],
                  [
                    617999.8080403595,
                    2384998.484496682,
                    209.14865846226684
                  ],
                  [
                    617999.8080403595,
                    2383998.484496682,
                    209.14865846226684
                  ],
                  [
                    616999.7880403595,
                    2383998.484496682,
                    -10.491341537733192
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:52:33+00:00",
            "end_time": "2013-09-22T00:51:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2469.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.803570306296,
              21.419044981917317,
              -8.45127977805842
            ],
            [
              -157.80349671361324,
              21.428078195927952,
              -8.45127977805842
            ],
            [
              -157.7938489274307,
              21.42800898940941,
              88.66872022194158
            ],
            [
              -157.793923124218,
              21.4189758080647,
              88.66872022194158
            ],
            [
              -157.803570306296,
              21.419044981917317,
              -8.45127977805842
            ]
          ]
        ]
      },
      "bbox": [
        -157.8035703,
        21.41897581,
        -8.451279778,
        -157.7938489,
        21.4280782,
        88.66872022
      ],
      "properties": {
        "datetime": "2013-09-21T00:51:25Z",
        "pc:count": 5648237,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624503.2893,
            "count": 5648237,
            "maximum": 624999.8262,
            "minimum": 623999.8062,
            "name": "X",
            "position": 0,
            "stddev": 291.4802465,
            "variance": 84960.73411
          },
          {
            "average": 2369443.738,
            "count": 5648237,
            "maximum": 2369998.466,
            "minimum": 2368998.466,
            "name": "Y",
            "position": 1,
            "stddev": 260.2052937,
            "variance": 67706.79488
          },
          {
            "average": 27.46954827,
            "count": 5648237,
            "maximum": 88.66872022,
            "minimum": -8.451279778,
            "name": "Z",
            "position": 2,
            "stddev": 18.73368603,
            "variance": 350.9509924
          },
          {
            "average": 19.79690424,
            "count": 5648237,
            "maximum": 4166,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 38.99451135,
            "variance": 1520.571916
          },
          {
            "average": 1.474283923,
            "count": 5648237,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8641119168,
            "variance": 0.7466894048
          },
          {
            "average": 1.952224384,
            "count": 5648237,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.299027993,
            "variance": 1.687473726
          },
          {
            "average": 1,
            "count": 5648237,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5648237,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.252529772,
            "count": 5648237,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.719422655,
            "variance": 76.02833144
          },
          {
            "average": 20.1162395,
            "count": 5648237,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.820292308,
            "variance": 3.313464085
          },
          {
            "average": 90.92168813,
            "count": 5648237,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.7103338,
            "variance": 4450.268636
          },
          {
            "average": 3.37429343,
            "count": 5648237,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.029542387,
            "variance": 4.119042301
          },
          {
            "average": 63757879.11,
            "count": 5648237,
            "maximum": 63759885.87,
            "minimum": 63744802.73,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3353.572748,
            "variance": 11246450.18
          },
          {
            "average": 0,
            "count": 5648237,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5648237,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5648237,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5648237,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5648237,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.8062,
          2368998.466,
          -8.451279778,
          624999.8262,
          2369998.466,
          88.66872022
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.8061657558,
                2368998.4663301287,
                -8.45127977805842
              ],
              [
                623999.8061657558,
                2369998.4663301287,
                -8.45127977805842
              ],
              [
                624999.8261657559,
                2369998.4663301287,
                88.66872022194158
              ],
              [
                624999.8261657559,
                2368998.4663301287,
                88.66872022194158
              ],
              [
                623999.8061657558,
                2368998.4663301287,
                -8.45127977805842
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:51:25+00:00",
        "end_time": "2013-09-20T20:40:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2469.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2469.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2469.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2469.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8035703,
            21.41897581,
            -8.451279778,
            -157.7938489,
            21.4280782,
            88.66872022
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.803570306296,
                  21.419044981917317,
                  -8.45127977805842
                ],
                [
                  -157.80349671361324,
                  21.428078195927952,
                  -8.45127977805842
                ],
                [
                  -157.7938489274307,
                  21.42800898940941,
                  88.66872022194158
                ],
                [
                  -157.793923124218,
                  21.4189758080647,
                  88.66872022194158
                ],
                [
                  -157.803570306296,
                  21.419044981917317,
                  -8.45127977805842
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2469.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2469.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:51:25Z",
            "pc:count": 5648237,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624503.2893,
                "count": 5648237,
                "maximum": 624999.8262,
                "minimum": 623999.8062,
                "name": "X",
                "position": 0,
                "stddev": 291.4802465,
                "variance": 84960.73411
              },
              {
                "average": 2369443.738,
                "count": 5648237,
                "maximum": 2369998.466,
                "minimum": 2368998.466,
                "name": "Y",
                "position": 1,
                "stddev": 260.2052937,
                "variance": 67706.79488
              },
              {
                "average": 27.46954827,
                "count": 5648237,
                "maximum": 88.66872022,
                "minimum": -8.451279778,
                "name": "Z",
                "position": 2,
                "stddev": 18.73368603,
                "variance": 350.9509924
              },
              {
                "average": 19.79690424,
                "count": 5648237,
                "maximum": 4166,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 38.99451135,
                "variance": 1520.571916
              },
              {
                "average": 1.474283923,
                "count": 5648237,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8641119168,
                "variance": 0.7466894048
              },
              {
                "average": 1.952224384,
                "count": 5648237,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.299027993,
                "variance": 1.687473726
              },
              {
                "average": 1,
                "count": 5648237,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5648237,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.252529772,
                "count": 5648237,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.719422655,
                "variance": 76.02833144
              },
              {
                "average": 20.1162395,
                "count": 5648237,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.820292308,
                "variance": 3.313464085
              },
              {
                "average": 90.92168813,
                "count": 5648237,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.7103338,
                "variance": 4450.268636
              },
              {
                "average": 3.37429343,
                "count": 5648237,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.029542387,
                "variance": 4.119042301
              },
              {
                "average": 63757879.11,
                "count": 5648237,
                "maximum": 63759885.87,
                "minimum": 63744802.73,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3353.572748,
                "variance": 11246450.18
              },
              {
                "average": 0,
                "count": 5648237,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5648237,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5648237,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5648237,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5648237,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.8062,
              2368998.466,
              -8.451279778,
              624999.8262,
              2369998.466,
              88.66872022
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.8061657558,
                    2368998.4663301287,
                    -8.45127977805842
                  ],
                  [
                    623999.8061657558,
                    2369998.4663301287,
                    -8.45127977805842
                  ],
                  [
                    624999.8261657559,
                    2369998.4663301287,
                    88.66872022194158
                  ],
                  [
                    624999.8261657559,
                    2368998.4663301287,
                    88.66872022194158
                  ],
                  [
                    623999.8061657558,
                    2368998.4663301287,
                    -8.45127977805842
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:51:25+00:00",
            "end_time": "2013-09-20T20:40:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2079.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8414450973963,
              21.509649200906118,
              -1.737155640226593
            ],
            [
              -157.84137350496746,
              21.518682441424613,
              -1.737155640226593
            ],
            [
              -157.83171958470837,
              21.518615152105802,
              48.8028443597734
            ],
            [
              -157.83179177270776,
              21.50958194286439,
              48.8028443597734
            ],
            [
              -157.8414450973963,
              21.509649200906118,
              -1.737155640226593
            ]
          ]
        ]
      },
      "bbox": [
        -157.8414451,
        21.50958194,
        -1.73715564,
        -157.8317196,
        21.51868244,
        48.80284436
      ],
      "properties": {
        "datetime": "2013-09-24T19:14:44Z",
        "pc:count": 9150959,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620403.0722,
            "count": 9150959,
            "maximum": 620999.8169,
            "minimum": 619999.7969,
            "name": "X",
            "position": 0,
            "stddev": 287.6138989,
            "variance": 82721.75486
          },
          {
            "average": 2379418.028,
            "count": 9150959,
            "maximum": 2379998.484,
            "minimum": 2378998.484,
            "name": "Y",
            "position": 1,
            "stddev": 273.4514404,
            "variance": 74775.69026
          },
          {
            "average": 6.367373224,
            "count": 9150959,
            "maximum": 48.80284436,
            "minimum": -1.73715564,
            "name": "Z",
            "position": 2,
            "stddev": 7.463757156,
            "variance": 55.70767089
          },
          {
            "average": 13.3004543,
            "count": 9150959,
            "maximum": 8346,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.86146329,
            "variance": 618.0923572
          },
          {
            "average": 1.575077541,
            "count": 9150959,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9883282428,
            "variance": 0.9767927155
          },
          {
            "average": 2.151482047,
            "count": 9150959,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.491772216,
            "variance": 2.225384345
          },
          {
            "average": 1,
            "count": 9150959,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9150959,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.589035313,
            "count": 9150959,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.34921597,
            "variance": 152.503135
          },
          {
            "average": 20.54288799,
            "count": 9150959,
            "maximum": 40.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.410331689,
            "variance": 29.27168898
          },
          {
            "average": 90.92137305,
            "count": 9150959,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.19075357,
            "variance": 4649.978872
          },
          {
            "average": 5.891699001,
            "count": 9150959,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.493703416,
            "variance": 6.218556727
          },
          {
            "average": 63779735.83,
            "count": 9150959,
            "maximum": 64085284.28,
            "minimum": 63592017.68,
            "name": "GpsTime",
            "position": 12,
            "stddev": 93276.95323,
            "variance": 8700590005
          },
          {
            "average": 0,
            "count": 9150959,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9150959,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9150959,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9150959,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9150959,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.7969,
          2378998.484,
          -1.73715564,
          620999.8169,
          2379998.484,
          48.80284436
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.7968559177,
                2378998.484159727,
                -1.737155640226593
              ],
              [
                619999.7968559177,
                2379998.484159727,
                -1.737155640226593
              ],
              [
                620999.8168559177,
                2379998.484159727,
                48.8028443597734
              ],
              [
                620999.8168559177,
                2378998.484159727,
                48.8028443597734
              ],
              [
                619999.7968559177,
                2378998.484159727,
                -1.737155640226593
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T19:14:44+00:00",
        "end_time": "2013-09-19T02:13:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2079.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2079.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2079.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2079.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8414451,
            21.50958194,
            -1.73715564,
            -157.8317196,
            21.51868244,
            48.80284436
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8414450973963,
                  21.509649200906118,
                  -1.737155640226593
                ],
                [
                  -157.84137350496746,
                  21.518682441424613,
                  -1.737155640226593
                ],
                [
                  -157.83171958470837,
                  21.518615152105802,
                  48.8028443597734
                ],
                [
                  -157.83179177270776,
                  21.50958194286439,
                  48.8028443597734
                ],
                [
                  -157.8414450973963,
                  21.509649200906118,
                  -1.737155640226593
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2079.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2079.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T19:14:44Z",
            "pc:count": 9150959,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620403.0722,
                "count": 9150959,
                "maximum": 620999.8169,
                "minimum": 619999.7969,
                "name": "X",
                "position": 0,
                "stddev": 287.6138989,
                "variance": 82721.75486
              },
              {
                "average": 2379418.028,
                "count": 9150959,
                "maximum": 2379998.484,
                "minimum": 2378998.484,
                "name": "Y",
                "position": 1,
                "stddev": 273.4514404,
                "variance": 74775.69026
              },
              {
                "average": 6.367373224,
                "count": 9150959,
                "maximum": 48.80284436,
                "minimum": -1.73715564,
                "name": "Z",
                "position": 2,
                "stddev": 7.463757156,
                "variance": 55.70767089
              },
              {
                "average": 13.3004543,
                "count": 9150959,
                "maximum": 8346,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.86146329,
                "variance": 618.0923572
              },
              {
                "average": 1.575077541,
                "count": 9150959,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9883282428,
                "variance": 0.9767927155
              },
              {
                "average": 2.151482047,
                "count": 9150959,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.491772216,
                "variance": 2.225384345
              },
              {
                "average": 1,
                "count": 9150959,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9150959,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.589035313,
                "count": 9150959,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.34921597,
                "variance": 152.503135
              },
              {
                "average": 20.54288799,
                "count": 9150959,
                "maximum": 40.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.410331689,
                "variance": 29.27168898
              },
              {
                "average": 90.92137305,
                "count": 9150959,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.19075357,
                "variance": 4649.978872
              },
              {
                "average": 5.891699001,
                "count": 9150959,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.493703416,
                "variance": 6.218556727
              },
              {
                "average": 63779735.83,
                "count": 9150959,
                "maximum": 64085284.28,
                "minimum": 63592017.68,
                "name": "GpsTime",
                "position": 12,
                "stddev": 93276.95323,
                "variance": 8700590005
              },
              {
                "average": 0,
                "count": 9150959,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9150959,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9150959,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9150959,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9150959,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.7969,
              2378998.484,
              -1.73715564,
              620999.8169,
              2379998.484,
              48.80284436
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.7968559177,
                    2378998.484159727,
                    -1.737155640226593
                  ],
                  [
                    619999.7968559177,
                    2379998.484159727,
                    -1.737155640226593
                  ],
                  [
                    620999.8168559177,
                    2379998.484159727,
                    48.8028443597734
                  ],
                  [
                    620999.8168559177,
                    2378998.484159727,
                    48.8028443597734
                  ],
                  [
                    619999.7968559177,
                    2378998.484159727,
                    -1.737155640226593
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T19:14:44+00:00",
            "end_time": "2013-09-19T02:13:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1884.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86039900968333,
              21.55494846118342,
              -18.200223557264188
            ],
            [
              -157.86032842072777,
              21.563981714690843,
              -18.200223557264188
            ],
            [
              -157.85067163848512,
              21.563915388654053,
              108.17977644273583
            ],
            [
              -157.85074282488003,
              21.554882165883782,
              108.17977644273583
            ],
            [
              -157.86039900968333,
              21.55494846118342,
              -18.200223557264188
            ]
          ]
        ]
      },
      "bbox": [
        -157.860399,
        21.55488217,
        -18.20022356,
        -157.8506716,
        21.56398171,
        108.1797764
      ],
      "properties": {
        "datetime": "2013-09-23T23:52:18Z",
        "pc:count": 5062494,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618452.7291,
            "count": 5062494,
            "maximum": 618999.805,
            "minimum": 617999.805,
            "name": "X",
            "position": 0,
            "stddev": 292.3498855,
            "variance": 85468.45554
          },
          {
            "average": 2384481.606,
            "count": 5062494,
            "maximum": 2384998.485,
            "minimum": 2383998.485,
            "name": "Y",
            "position": 1,
            "stddev": 280.5645849,
            "variance": 78716.48631
          },
          {
            "average": 6.537813268,
            "count": 5062494,
            "maximum": 108.1797764,
            "minimum": -18.20022356,
            "name": "Z",
            "position": 2,
            "stddev": 16.53766147,
            "variance": 273.4942468
          },
          {
            "average": 12.05176915,
            "count": 5062494,
            "maximum": 8882,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.88739552,
            "variance": 2105.653068
          },
          {
            "average": 1.156770754,
            "count": 5062494,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5059295859,
            "variance": 0.2559647459
          },
          {
            "average": 1.310907233,
            "count": 5062494,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7760268294,
            "variance": 0.6022176399
          },
          {
            "average": 1,
            "count": 5062494,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5062494,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.61386443,
            "count": 5062494,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.16130589,
            "variance": 173.2199728
          },
          {
            "average": 20.19147613,
            "count": 5062494,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.983681746,
            "variance": 8.902356759
          },
          {
            "average": 91.3553063,
            "count": 5062494,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.61863065,
            "variance": 5129.228256
          },
          {
            "average": 7.349727822,
            "count": 5062494,
            "maximum": 20,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.677402138,
            "variance": 44.58769931
          },
          {
            "average": 63890158.35,
            "count": 5062494,
            "maximum": 64015538.53,
            "minimum": 63832328.73,
            "name": "GpsTime",
            "position": 12,
            "stddev": 74829.46241,
            "variance": 5599448445
          },
          {
            "average": 0,
            "count": 5062494,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5062494,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5062494,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5062494,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5062494,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.805,
          2383998.485,
          -18.20022356,
          618999.805,
          2384998.485,
          108.1797764
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.8049872266,
                2383998.4848988904,
                -18.200223557264188
              ],
              [
                617999.8049872266,
                2384998.4848988904,
                -18.200223557264188
              ],
              [
                618999.8049872266,
                2384998.4848988904,
                108.17977644273583
              ],
              [
                618999.8049872266,
                2383998.4848988904,
                108.17977644273583
              ],
              [
                617999.8049872266,
                2383998.4848988904,
                -18.200223557264188
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:52:18+00:00",
        "end_time": "2013-09-21T20:58:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1884.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1884.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1884.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1884.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.860399,
            21.55488217,
            -18.20022356,
            -157.8506716,
            21.56398171,
            108.1797764
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86039900968333,
                  21.55494846118342,
                  -18.200223557264188
                ],
                [
                  -157.86032842072777,
                  21.563981714690843,
                  -18.200223557264188
                ],
                [
                  -157.85067163848512,
                  21.563915388654053,
                  108.17977644273583
                ],
                [
                  -157.85074282488003,
                  21.554882165883782,
                  108.17977644273583
                ],
                [
                  -157.86039900968333,
                  21.55494846118342,
                  -18.200223557264188
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1884.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1884.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:52:18Z",
            "pc:count": 5062494,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618452.7291,
                "count": 5062494,
                "maximum": 618999.805,
                "minimum": 617999.805,
                "name": "X",
                "position": 0,
                "stddev": 292.3498855,
                "variance": 85468.45554
              },
              {
                "average": 2384481.606,
                "count": 5062494,
                "maximum": 2384998.485,
                "minimum": 2383998.485,
                "name": "Y",
                "position": 1,
                "stddev": 280.5645849,
                "variance": 78716.48631
              },
              {
                "average": 6.537813268,
                "count": 5062494,
                "maximum": 108.1797764,
                "minimum": -18.20022356,
                "name": "Z",
                "position": 2,
                "stddev": 16.53766147,
                "variance": 273.4942468
              },
              {
                "average": 12.05176915,
                "count": 5062494,
                "maximum": 8882,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.88739552,
                "variance": 2105.653068
              },
              {
                "average": 1.156770754,
                "count": 5062494,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5059295859,
                "variance": 0.2559647459
              },
              {
                "average": 1.310907233,
                "count": 5062494,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7760268294,
                "variance": 0.6022176399
              },
              {
                "average": 1,
                "count": 5062494,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5062494,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.61386443,
                "count": 5062494,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.16130589,
                "variance": 173.2199728
              },
              {
                "average": 20.19147613,
                "count": 5062494,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.983681746,
                "variance": 8.902356759
              },
              {
                "average": 91.3553063,
                "count": 5062494,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.61863065,
                "variance": 5129.228256
              },
              {
                "average": 7.349727822,
                "count": 5062494,
                "maximum": 20,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.677402138,
                "variance": 44.58769931
              },
              {
                "average": 63890158.35,
                "count": 5062494,
                "maximum": 64015538.53,
                "minimum": 63832328.73,
                "name": "GpsTime",
                "position": 12,
                "stddev": 74829.46241,
                "variance": 5599448445
              },
              {
                "average": 0,
                "count": 5062494,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5062494,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5062494,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5062494,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5062494,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.805,
              2383998.485,
              -18.20022356,
              618999.805,
              2384998.485,
              108.1797764
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.8049872266,
                    2383998.4848988904,
                    -18.200223557264188
                  ],
                  [
                    617999.8049872266,
                    2384998.4848988904,
                    -18.200223557264188
                  ],
                  [
                    618999.8049872266,
                    2384998.4848988904,
                    108.17977644273583
                  ],
                  [
                    618999.8049872266,
                    2383998.4848988904,
                    108.17977644273583
                  ],
                  [
                    617999.8049872266,
                    2383998.4848988904,
                    -18.200223557264188
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:52:18+00:00",
            "end_time": "2013-09-21T20:58:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2572.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.79370053383883,
              21.44607537007552,
              -16.450307737426336
            ],
            [
              -157.79362623355266,
              21.455108521600444,
              -16.450307737426336
            ],
            [
              -157.78397670636193,
              21.455038660345924,
              0.449692262573663
            ],
            [
              -157.78405160473716,
              21.446005540959625,
              0.449692262573663
            ],
            [
              -157.79370053383883,
              21.44607537007552,
              -16.450307737426336
            ]
          ]
        ]
      },
      "bbox": [
        -157.7937005,
        21.44600554,
        -16.45030774,
        -157.7839767,
        21.45510852,
        0.4496922626
      ],
      "properties": {
        "datetime": "2013-09-20T19:33:29Z",
        "pc:count": 3264132,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625513.0617,
            "count": 3264132,
            "maximum": 625999.8365,
            "minimum": 624999.8165,
            "name": "X",
            "position": 0,
            "stddev": 266.9586689,
            "variance": 71266.93092
          },
          {
            "average": 2372588.696,
            "count": 3264132,
            "maximum": 2372998.472,
            "minimum": 2371998.472,
            "name": "Y",
            "position": 1,
            "stddev": 262.1920194,
            "variance": 68744.65504
          },
          {
            "average": -1.906113967,
            "count": 3264132,
            "maximum": 0.4496922626,
            "minimum": -16.45030774,
            "name": "Z",
            "position": 2,
            "stddev": 1.635690951,
            "variance": 2.675484886
          },
          {
            "average": 10.86218358,
            "count": 3264132,
            "maximum": 8647,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.49855481,
            "variance": 1260.147394
          },
          {
            "average": 1.005371413,
            "count": 3264132,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07413327434,
            "variance": 0.005495742365
          },
          {
            "average": 1.008603206,
            "count": 3264132,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09344847064,
            "variance": 0.008732616666
          },
          {
            "average": 1,
            "count": 3264132,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3264132,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3264132,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.99767346,
            "count": 3264132,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.476649275,
            "variance": 6.133791631
          },
          {
            "average": 90.4743647,
            "count": 3264132,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 72.87449146,
            "variance": 5310.691505
          },
          {
            "average": 6.673125045,
            "count": 3264132,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.532760135,
            "variance": 12.48039417
          },
          {
            "average": 63664689.29,
            "count": 3264132,
            "maximum": 63740809.44,
            "minimum": 63656598.81,
            "name": "GpsTime",
            "position": 12,
            "stddev": 11157.55719,
            "variance": 124491082.4
          },
          {
            "average": 0,
            "count": 3264132,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3264132,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3264132,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3264132,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3264132,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.8165,
          2371998.472,
          -16.45030774,
          625999.8365,
          2372998.472,
          0.4496922626
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.8164535705,
                2371998.471544482,
                -16.450307737426336
              ],
              [
                624999.8164535705,
                2372998.471544482,
                -16.450307737426336
              ],
              [
                625999.8364535705,
                2372998.471544482,
                0.449692262573663
              ],
              [
                625999.8364535705,
                2371998.471544482,
                0.449692262573663
              ],
              [
                624999.8164535705,
                2371998.471544482,
                -16.450307737426336
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:33:29+00:00",
        "end_time": "2013-09-19T20:09:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2572.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2572.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2572.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2572.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7937005,
            21.44600554,
            -16.45030774,
            -157.7839767,
            21.45510852,
            0.4496922626
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.79370053383883,
                  21.44607537007552,
                  -16.450307737426336
                ],
                [
                  -157.79362623355266,
                  21.455108521600444,
                  -16.450307737426336
                ],
                [
                  -157.78397670636193,
                  21.455038660345924,
                  0.449692262573663
                ],
                [
                  -157.78405160473716,
                  21.446005540959625,
                  0.449692262573663
                ],
                [
                  -157.79370053383883,
                  21.44607537007552,
                  -16.450307737426336
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2572.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2572.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:33:29Z",
            "pc:count": 3264132,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625513.0617,
                "count": 3264132,
                "maximum": 625999.8365,
                "minimum": 624999.8165,
                "name": "X",
                "position": 0,
                "stddev": 266.9586689,
                "variance": 71266.93092
              },
              {
                "average": 2372588.696,
                "count": 3264132,
                "maximum": 2372998.472,
                "minimum": 2371998.472,
                "name": "Y",
                "position": 1,
                "stddev": 262.1920194,
                "variance": 68744.65504
              },
              {
                "average": -1.906113967,
                "count": 3264132,
                "maximum": 0.4496922626,
                "minimum": -16.45030774,
                "name": "Z",
                "position": 2,
                "stddev": 1.635690951,
                "variance": 2.675484886
              },
              {
                "average": 10.86218358,
                "count": 3264132,
                "maximum": 8647,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.49855481,
                "variance": 1260.147394
              },
              {
                "average": 1.005371413,
                "count": 3264132,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07413327434,
                "variance": 0.005495742365
              },
              {
                "average": 1.008603206,
                "count": 3264132,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09344847064,
                "variance": 0.008732616666
              },
              {
                "average": 1,
                "count": 3264132,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3264132,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3264132,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.99767346,
                "count": 3264132,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.476649275,
                "variance": 6.133791631
              },
              {
                "average": 90.4743647,
                "count": 3264132,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 72.87449146,
                "variance": 5310.691505
              },
              {
                "average": 6.673125045,
                "count": 3264132,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.532760135,
                "variance": 12.48039417
              },
              {
                "average": 63664689.29,
                "count": 3264132,
                "maximum": 63740809.44,
                "minimum": 63656598.81,
                "name": "GpsTime",
                "position": 12,
                "stddev": 11157.55719,
                "variance": 124491082.4
              },
              {
                "average": 0,
                "count": 3264132,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3264132,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3264132,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3264132,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3264132,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.8165,
              2371998.472,
              -16.45030774,
              625999.8365,
              2372998.472,
              0.4496922626
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.8164535705,
                    2371998.471544482,
                    -16.450307737426336
                  ],
                  [
                    624999.8164535705,
                    2372998.471544482,
                    -16.450307737426336
                  ],
                  [
                    625999.8364535705,
                    2372998.471544482,
                    0.449692262573663
                  ],
                  [
                    625999.8364535705,
                    2371998.471544482,
                    0.449692262573663
                  ],
                  [
                    624999.8164535705,
                    2371998.471544482,
                    -16.450307737426336
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:33:29+00:00",
            "end_time": "2013-09-19T20:09:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2351.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8145251172144,
              21.256513067339,
              4.246261097243178
            ],
            [
              -157.81445279758825,
              21.265546678142485,
              4.246261097243178
            ],
            [
              -157.80481557373736,
              21.26547860139896,
              220.9462610972432
            ],
            [
              -157.80488848071002,
              21.256445022740383,
              220.9462610972432
            ],
            [
              -157.8145251172144,
              21.256513067339,
              4.246261097243178
            ]
          ]
        ]
      },
      "bbox": [
        -157.8145251,
        21.25644502,
        4.246261097,
        -157.8048156,
        21.26554668,
        220.9462611
      ],
      "properties": {
        "datetime": "2013-09-17T12:34:37Z",
        "pc:count": 9638431,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623466.0445,
            "count": 9638431,
            "maximum": 623999.7999,
            "minimum": 622999.7799,
            "name": "X",
            "position": 0,
            "stddev": 292.2257196,
            "variance": 85395.87122
          },
          {
            "average": 2351468.536,
            "count": 9638431,
            "maximum": 2351998.444,
            "minimum": 2350998.424,
            "name": "Y",
            "position": 1,
            "stddev": 294.6061837,
            "variance": 86792.80346
          },
          {
            "average": 85.24327717,
            "count": 9638431,
            "maximum": 220.9462611,
            "minimum": 4.246261097,
            "name": "Z",
            "position": 2,
            "stddev": 34.01705844,
            "variance": 1157.160265
          },
          {
            "average": 10.78859132,
            "count": 9638431,
            "maximum": 763,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.80852698,
            "variance": 392.3777409
          },
          {
            "average": 1.986272455,
            "count": 9638431,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.135450803,
            "variance": 1.289248527
          },
          {
            "average": 2.972622826,
            "count": 9638431,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.534524535,
            "variance": 2.354765548
          },
          {
            "average": 1,
            "count": 9638431,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9638431,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.178600334,
            "count": 9638431,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3830173236,
            "variance": 0.1467022702
          },
          {
            "average": 20.09376758,
            "count": 9638431,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.786584338,
            "variance": 7.765052274
          },
          {
            "average": 90.89288443,
            "count": 9638431,
            "maximum": 204,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.7722638,
            "variance": 4458.535213
          },
          {
            "average": 9.972101891,
            "count": 9638431,
            "maximum": 14,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.153211039,
            "variance": 4.636317779
          },
          {
            "average": 63289562.49,
            "count": 9638431,
            "maximum": 63456477.04,
            "minimum": 63279268.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 38042.86085,
            "variance": 1447259261
          },
          {
            "average": 0,
            "count": 9638431,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9638431,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9638431,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9638431,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9638431,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.7799,
          2350998.424,
          4.246261097,
          623999.7999,
          2351998.444,
          220.9462611
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.7799445401,
                2350998.4244126715,
                4.246261097243178
              ],
              [
                622999.7799445401,
                2351998.444412671,
                4.246261097243178
              ],
              [
                623999.7999445401,
                2351998.444412671,
                220.9462610972432
              ],
              [
                623999.7999445401,
                2350998.4244126715,
                220.9462610972432
              ],
              [
                622999.7799445401,
                2350998.4244126715,
                4.246261097243178
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:34:37+00:00",
        "end_time": "2013-09-15T11:21:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2351.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2351.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2351.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2351.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8145251,
            21.25644502,
            4.246261097,
            -157.8048156,
            21.26554668,
            220.9462611
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8145251172144,
                  21.256513067339,
                  4.246261097243178
                ],
                [
                  -157.81445279758825,
                  21.265546678142485,
                  4.246261097243178
                ],
                [
                  -157.80481557373736,
                  21.26547860139896,
                  220.9462610972432
                ],
                [
                  -157.80488848071002,
                  21.256445022740383,
                  220.9462610972432
                ],
                [
                  -157.8145251172144,
                  21.256513067339,
                  4.246261097243178
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2351.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2351.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:34:37Z",
            "pc:count": 9638431,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623466.0445,
                "count": 9638431,
                "maximum": 623999.7999,
                "minimum": 622999.7799,
                "name": "X",
                "position": 0,
                "stddev": 292.2257196,
                "variance": 85395.87122
              },
              {
                "average": 2351468.536,
                "count": 9638431,
                "maximum": 2351998.444,
                "minimum": 2350998.424,
                "name": "Y",
                "position": 1,
                "stddev": 294.6061837,
                "variance": 86792.80346
              },
              {
                "average": 85.24327717,
                "count": 9638431,
                "maximum": 220.9462611,
                "minimum": 4.246261097,
                "name": "Z",
                "position": 2,
                "stddev": 34.01705844,
                "variance": 1157.160265
              },
              {
                "average": 10.78859132,
                "count": 9638431,
                "maximum": 763,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.80852698,
                "variance": 392.3777409
              },
              {
                "average": 1.986272455,
                "count": 9638431,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.135450803,
                "variance": 1.289248527
              },
              {
                "average": 2.972622826,
                "count": 9638431,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.534524535,
                "variance": 2.354765548
              },
              {
                "average": 1,
                "count": 9638431,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9638431,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.178600334,
                "count": 9638431,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3830173236,
                "variance": 0.1467022702
              },
              {
                "average": 20.09376758,
                "count": 9638431,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.786584338,
                "variance": 7.765052274
              },
              {
                "average": 90.89288443,
                "count": 9638431,
                "maximum": 204,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.7722638,
                "variance": 4458.535213
              },
              {
                "average": 9.972101891,
                "count": 9638431,
                "maximum": 14,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.153211039,
                "variance": 4.636317779
              },
              {
                "average": 63289562.49,
                "count": 9638431,
                "maximum": 63456477.04,
                "minimum": 63279268.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 38042.86085,
                "variance": 1447259261
              },
              {
                "average": 0,
                "count": 9638431,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9638431,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9638431,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9638431,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9638431,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.7799,
              2350998.424,
              4.246261097,
              623999.7999,
              2351998.444,
              220.9462611
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.7799445401,
                    2350998.4244126715,
                    4.246261097243178
                  ],
                  [
                    622999.7799445401,
                    2351998.444412671,
                    4.246261097243178
                  ],
                  [
                    623999.7999445401,
                    2351998.444412671,
                    220.9462610972432
                  ],
                  [
                    623999.7999445401,
                    2350998.4244126715,
                    220.9462610972432
                  ],
                  [
                    622999.7799445401,
                    2350998.4244126715,
                    4.246261097243178
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:34:37+00:00",
            "end_time": "2013-09-15T11:21:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj1978.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85116933048334,
              21.500682521879696,
              -4.560260657734267
            ],
            [
              -157.85109836994138,
              21.50971598391101,
              -4.560260657734267
            ],
            [
              -157.84144500885324,
              21.50964928369601,
              36.179739342265734
            ],
            [
              -157.84151656474174,
              21.50061585270684,
              36.179739342265734
            ],
            [
              -157.85116933048334,
              21.500682521879696,
              -4.560260657734267
            ]
          ]
        ]
      },
      "bbox": [
        -157.8511693,
        21.50061585,
        -4.560260658,
        -157.841445,
        21.50971598,
        36.17973934
      ],
      "properties": {
        "datetime": "2013-09-23T23:47:04Z",
        "pc:count": 5179278,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619505.3752,
            "count": 5179278,
            "maximum": 619999.806,
            "minimum": 618999.786,
            "name": "X",
            "position": 0,
            "stddev": 301.7771711,
            "variance": 91069.46098
          },
          {
            "average": 2378564.557,
            "count": 5179278,
            "maximum": 2378998.493,
            "minimum": 2377998.473,
            "name": "Y",
            "position": 1,
            "stddev": 247.0528357,
            "variance": 61035.10361
          },
          {
            "average": 3.242685784,
            "count": 5179278,
            "maximum": 36.17973934,
            "minimum": -4.560260658,
            "name": "Z",
            "position": 2,
            "stddev": 6.195321967,
            "variance": 38.38201427
          },
          {
            "average": 4.667491492,
            "count": 5179278,
            "maximum": 8941,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 26.47051889,
            "variance": 700.68837
          },
          {
            "average": 1.402393538,
            "count": 5179278,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8835103265,
            "variance": 0.780590497
          },
          {
            "average": 1.808494736,
            "count": 5179278,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.394433266,
            "variance": 1.944444134
          },
          {
            "average": 1,
            "count": 5179278,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5179278,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.63121964,
            "count": 5179278,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.19558244,
            "variance": 174.1233959
          },
          {
            "average": 20.54872608,
            "count": 5179278,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.672337971,
            "variance": 21.83074211
          },
          {
            "average": 89.14227273,
            "count": 5179278,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.00236211,
            "variance": 5041.335426
          },
          {
            "average": 10.50665035,
            "count": 5179278,
            "maximum": 19,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.102897032,
            "variance": 26.03955812
          },
          {
            "average": 63870826.57,
            "count": 5179278,
            "maximum": 64015224.41,
            "minimum": 63656944.18,
            "name": "GpsTime",
            "position": 12,
            "stddev": 113878.3693,
            "variance": 12968282990.0
          },
          {
            "average": 0,
            "count": 5179278,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5179278,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5179278,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5179278,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5179278,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.786,
          2377998.473,
          -4.560260658,
          619999.806,
          2378998.493,
          36.17973934
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.7859599188,
                2377998.473392252,
                -4.560260657734267
              ],
              [
                618999.7859599188,
                2378998.4933922514,
                -4.560260657734267
              ],
              [
                619999.8059599188,
                2378998.4933922514,
                36.179739342265734
              ],
              [
                619999.8059599188,
                2377998.473392252,
                36.179739342265734
              ],
              [
                618999.7859599188,
                2377998.473392252,
                -4.560260657734267
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:47:04+00:00",
        "end_time": "2013-09-19T20:15:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj1978.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj1978.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj1978.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj1978.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8511693,
            21.50061585,
            -4.560260658,
            -157.841445,
            21.50971598,
            36.17973934
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85116933048334,
                  21.500682521879696,
                  -4.560260657734267
                ],
                [
                  -157.85109836994138,
                  21.50971598391101,
                  -4.560260657734267
                ],
                [
                  -157.84144500885324,
                  21.50964928369601,
                  36.179739342265734
                ],
                [
                  -157.84151656474174,
                  21.50061585270684,
                  36.179739342265734
                ],
                [
                  -157.85116933048334,
                  21.500682521879696,
                  -4.560260657734267
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj1978.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj1978.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:47:04Z",
            "pc:count": 5179278,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619505.3752,
                "count": 5179278,
                "maximum": 619999.806,
                "minimum": 618999.786,
                "name": "X",
                "position": 0,
                "stddev": 301.7771711,
                "variance": 91069.46098
              },
              {
                "average": 2378564.557,
                "count": 5179278,
                "maximum": 2378998.493,
                "minimum": 2377998.473,
                "name": "Y",
                "position": 1,
                "stddev": 247.0528357,
                "variance": 61035.10361
              },
              {
                "average": 3.242685784,
                "count": 5179278,
                "maximum": 36.17973934,
                "minimum": -4.560260658,
                "name": "Z",
                "position": 2,
                "stddev": 6.195321967,
                "variance": 38.38201427
              },
              {
                "average": 4.667491492,
                "count": 5179278,
                "maximum": 8941,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 26.47051889,
                "variance": 700.68837
              },
              {
                "average": 1.402393538,
                "count": 5179278,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8835103265,
                "variance": 0.780590497
              },
              {
                "average": 1.808494736,
                "count": 5179278,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.394433266,
                "variance": 1.944444134
              },
              {
                "average": 1,
                "count": 5179278,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5179278,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.63121964,
                "count": 5179278,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.19558244,
                "variance": 174.1233959
              },
              {
                "average": 20.54872608,
                "count": 5179278,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.672337971,
                "variance": 21.83074211
              },
              {
                "average": 89.14227273,
                "count": 5179278,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.00236211,
                "variance": 5041.335426
              },
              {
                "average": 10.50665035,
                "count": 5179278,
                "maximum": 19,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.102897032,
                "variance": 26.03955812
              },
              {
                "average": 63870826.57,
                "count": 5179278,
                "maximum": 64015224.41,
                "minimum": 63656944.18,
                "name": "GpsTime",
                "position": 12,
                "stddev": 113878.3693,
                "variance": 12968282990.0
              },
              {
                "average": 0,
                "count": 5179278,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5179278,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5179278,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5179278,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5179278,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.786,
              2377998.473,
              -4.560260658,
              619999.806,
              2378998.493,
              36.17973934
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.7859599188,
                    2377998.473392252,
                    -4.560260657734267
                  ],
                  [
                    618999.7859599188,
                    2378998.4933922514,
                    -4.560260657734267
                  ],
                  [
                    619999.8059599188,
                    2378998.4933922514,
                    36.179739342265734
                  ],
                  [
                    619999.8059599188,
                    2377998.473392252,
                    36.179739342265734
                  ],
                  [
                    618999.7859599188,
                    2377998.473392252,
                    -4.560260657734267
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:47:04+00:00",
            "end_time": "2013-09-19T20:15:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2470.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8034967071553,
              21.42807812258102,
              -11.672417123200761
            ],
            [
              -157.80342307791997,
              21.43711150679043,
              -11.672417123200761
            ],
            [
              -157.793774694977,
              21.43704226814326,
              37.76758287679924
            ],
            [
              -157.7938489209776,
              21.428008916062332,
              37.76758287679924
            ],
            [
              -157.8034967071553,
              21.42807812258102,
              -11.672417123200761
            ]
          ]
        ]
      },
      "bbox": [
        -157.8034967,
        21.42800892,
        -11.67241712,
        -157.7937747,
        21.43711151,
        37.76758288
      ],
      "properties": {
        "datetime": "2013-09-21T00:32:10Z",
        "pc:count": 833006,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624353.7338,
            "count": 833006,
            "maximum": 624999.8269,
            "minimum": 623999.8069,
            "name": "X",
            "position": 0,
            "stddev": 314.0336242,
            "variance": 98617.11713
          },
          {
            "average": 2370294.171,
            "count": 833006,
            "maximum": 2370998.478,
            "minimum": 2369998.458,
            "name": "Y",
            "position": 1,
            "stddev": 300.7110832,
            "variance": 90427.15557
          },
          {
            "average": 0.6560243646,
            "count": 833006,
            "maximum": 37.76758288,
            "minimum": -11.67241712,
            "name": "Z",
            "position": 2,
            "stddev": 5.399538472,
            "variance": 29.15501571
          },
          {
            "average": 2.848747788,
            "count": 833006,
            "maximum": 7081,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.63638039,
            "variance": 385.5874348
          },
          {
            "average": 1.136535631,
            "count": 833006,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5096603643,
            "variance": 0.2597536869
          },
          {
            "average": 1.279156453,
            "count": 833006,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8270609366,
            "variance": 0.6840297929
          },
          {
            "average": 1,
            "count": 833006,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 833006,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 25.52111269,
            "count": 833006,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.211869522,
            "variance": 84.85854009
          },
          {
            "average": 20.02459301,
            "count": 833006,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.163113151,
            "variance": 4.679058506
          },
          {
            "average": 90.53142354,
            "count": 833006,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 72.04860493,
            "variance": 5191.001472
          },
          {
            "average": 4.94256584,
            "count": 833006,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.915656467,
            "variance": 15.33236557
          },
          {
            "average": 63751806.64,
            "count": 833006,
            "maximum": 63758730.28,
            "minimum": 63742424.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6448.141683,
            "variance": 41578531.17
          },
          {
            "average": 0,
            "count": 833006,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 833006,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 833006,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 833006,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 833006,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.8069,
          2369998.458,
          -11.67241712,
          624999.8269,
          2370998.478,
          37.76758288
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.8068970491,
                2369998.4582160097,
                -11.672417123200761
              ],
              [
                623999.8068970491,
                2370998.478216009,
                -11.672417123200761
              ],
              [
                624999.8268970491,
                2370998.478216009,
                37.76758287679924
              ],
              [
                624999.8268970491,
                2369998.4582160097,
                37.76758287679924
              ],
              [
                623999.8068970491,
                2369998.4582160097,
                -11.672417123200761
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:32:10+00:00",
        "end_time": "2013-09-20T20:00:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2470.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2470.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2470.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2470.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8034967,
            21.42800892,
            -11.67241712,
            -157.7937747,
            21.43711151,
            37.76758288
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8034967071553,
                  21.42807812258102,
                  -11.672417123200761
                ],
                [
                  -157.80342307791997,
                  21.43711150679043,
                  -11.672417123200761
                ],
                [
                  -157.793774694977,
                  21.43704226814326,
                  37.76758287679924
                ],
                [
                  -157.7938489209776,
                  21.428008916062332,
                  37.76758287679924
                ],
                [
                  -157.8034967071553,
                  21.42807812258102,
                  -11.672417123200761
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2470.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2470.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:32:10Z",
            "pc:count": 833006,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624353.7338,
                "count": 833006,
                "maximum": 624999.8269,
                "minimum": 623999.8069,
                "name": "X",
                "position": 0,
                "stddev": 314.0336242,
                "variance": 98617.11713
              },
              {
                "average": 2370294.171,
                "count": 833006,
                "maximum": 2370998.478,
                "minimum": 2369998.458,
                "name": "Y",
                "position": 1,
                "stddev": 300.7110832,
                "variance": 90427.15557
              },
              {
                "average": 0.6560243646,
                "count": 833006,
                "maximum": 37.76758288,
                "minimum": -11.67241712,
                "name": "Z",
                "position": 2,
                "stddev": 5.399538472,
                "variance": 29.15501571
              },
              {
                "average": 2.848747788,
                "count": 833006,
                "maximum": 7081,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.63638039,
                "variance": 385.5874348
              },
              {
                "average": 1.136535631,
                "count": 833006,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5096603643,
                "variance": 0.2597536869
              },
              {
                "average": 1.279156453,
                "count": 833006,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8270609366,
                "variance": 0.6840297929
              },
              {
                "average": 1,
                "count": 833006,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 833006,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 25.52111269,
                "count": 833006,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.211869522,
                "variance": 84.85854009
              },
              {
                "average": 20.02459301,
                "count": 833006,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.163113151,
                "variance": 4.679058506
              },
              {
                "average": 90.53142354,
                "count": 833006,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 72.04860493,
                "variance": 5191.001472
              },
              {
                "average": 4.94256584,
                "count": 833006,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.915656467,
                "variance": 15.33236557
              },
              {
                "average": 63751806.64,
                "count": 833006,
                "maximum": 63758730.28,
                "minimum": 63742424.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6448.141683,
                "variance": 41578531.17
              },
              {
                "average": 0,
                "count": 833006,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 833006,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 833006,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 833006,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 833006,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.8069,
              2369998.458,
              -11.67241712,
              624999.8269,
              2370998.478,
              37.76758288
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.8068970491,
                    2369998.4582160097,
                    -11.672417123200761
                  ],
                  [
                    623999.8068970491,
                    2370998.478216009,
                    -11.672417123200761
                  ],
                  [
                    624999.8268970491,
                    2370998.478216009,
                    37.76758287679924
                  ],
                  [
                    624999.8268970491,
                    2369998.4582160097,
                    37.76758287679924
                  ],
                  [
                    623999.8068970491,
                    2369998.4582160097,
                    -11.672417123200761
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:32:10+00:00",
            "end_time": "2013-09-20T20:00:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2471.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.80342272695773,
              21.437111491814907,
              -17.837792625315867
            ],
            [
              -157.8033490614608,
              21.44614468529993,
              -17.837792625315867
            ],
            [
              -157.79370046754585,
              21.446075417399143,
              0.382207374684132
            ],
            [
              -157.79377472994403,
              21.43704225592813,
              0.382207374684132
            ],
            [
              -157.80342272695773,
              21.437111491814907,
              -17.837792625315867
            ]
          ]
        ]
      },
      "bbox": [
        -157.8034227,
        21.43704226,
        -17.83779263,
        -157.7937005,
        21.44614469,
        0.3822073747
      ],
      "properties": {
        "datetime": "2013-09-20T20:32:25Z",
        "pc:count": 292916,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624652.2721,
            "count": 292916,
            "maximum": 624999.8233,
            "minimum": 623999.8433,
            "name": "X",
            "position": 0,
            "stddev": 262.8867848,
            "variance": 69109.46162
          },
          {
            "average": 2371667.835,
            "count": 292916,
            "maximum": 2371998.477,
            "minimum": 2370998.477,
            "name": "Y",
            "position": 1,
            "stddev": 281.0184265,
            "variance": 78971.35605
          },
          {
            "average": -2.494766638,
            "count": 292916,
            "maximum": 0.3822073747,
            "minimum": -17.83779263,
            "name": "Z",
            "position": 2,
            "stddev": 2.98372932,
            "variance": 8.902640655
          },
          {
            "average": 3.828336451,
            "count": 292916,
            "maximum": 7593,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.49467687,
            "variance": 380.0424261
          },
          {
            "average": 1.060276666,
            "count": 292916,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2438794164,
            "variance": 0.05947716976
          },
          {
            "average": 1.112305234,
            "count": 292916,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3274512239,
            "variance": 0.107224304
          },
          {
            "average": 1,
            "count": 292916,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 292916,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 292916,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.52355805,
            "count": 292916,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.849196048,
            "variance": 8.117918118
          },
          {
            "average": 96.79910964,
            "count": 292916,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 75.73690386,
            "variance": 5736.078606
          },
          {
            "average": 4.048805801,
            "count": 292916,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.682673134,
            "variance": 2.831388875
          },
          {
            "average": 63741919.92,
            "count": 292916,
            "maximum": 63744345.99,
            "minimum": 63739989.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1003.247024,
            "variance": 1006504.591
          },
          {
            "average": 0,
            "count": 292916,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 292916,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 292916,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 292916,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 292916,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.8433,
          2370998.477,
          -17.83779263,
          624999.8233,
          2371998.477,
          0.3822073747
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.8432834537,
                2370998.4768359466,
                -17.837792625315867
              ],
              [
                623999.8432834537,
                2371998.4768359466,
                -17.837792625315867
              ],
              [
                624999.8232834537,
                2371998.4768359466,
                0.382207374684132
              ],
              [
                624999.8232834537,
                2370998.4768359466,
                0.382207374684132
              ],
              [
                623999.8432834537,
                2370998.4768359466,
                -17.837792625315867
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:32:25+00:00",
        "end_time": "2013-09-20T19:19:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2471.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2471.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2471.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2471.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8034227,
            21.43704226,
            -17.83779263,
            -157.7937005,
            21.44614469,
            0.3822073747
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.80342272695773,
                  21.437111491814907,
                  -17.837792625315867
                ],
                [
                  -157.8033490614608,
                  21.44614468529993,
                  -17.837792625315867
                ],
                [
                  -157.79370046754585,
                  21.446075417399143,
                  0.382207374684132
                ],
                [
                  -157.79377472994403,
                  21.43704225592813,
                  0.382207374684132
                ],
                [
                  -157.80342272695773,
                  21.437111491814907,
                  -17.837792625315867
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2471.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2471.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:32:25Z",
            "pc:count": 292916,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624652.2721,
                "count": 292916,
                "maximum": 624999.8233,
                "minimum": 623999.8433,
                "name": "X",
                "position": 0,
                "stddev": 262.8867848,
                "variance": 69109.46162
              },
              {
                "average": 2371667.835,
                "count": 292916,
                "maximum": 2371998.477,
                "minimum": 2370998.477,
                "name": "Y",
                "position": 1,
                "stddev": 281.0184265,
                "variance": 78971.35605
              },
              {
                "average": -2.494766638,
                "count": 292916,
                "maximum": 0.3822073747,
                "minimum": -17.83779263,
                "name": "Z",
                "position": 2,
                "stddev": 2.98372932,
                "variance": 8.902640655
              },
              {
                "average": 3.828336451,
                "count": 292916,
                "maximum": 7593,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.49467687,
                "variance": 380.0424261
              },
              {
                "average": 1.060276666,
                "count": 292916,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2438794164,
                "variance": 0.05947716976
              },
              {
                "average": 1.112305234,
                "count": 292916,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3274512239,
                "variance": 0.107224304
              },
              {
                "average": 1,
                "count": 292916,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 292916,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 292916,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.52355805,
                "count": 292916,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.849196048,
                "variance": 8.117918118
              },
              {
                "average": 96.79910964,
                "count": 292916,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 75.73690386,
                "variance": 5736.078606
              },
              {
                "average": 4.048805801,
                "count": 292916,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.682673134,
                "variance": 2.831388875
              },
              {
                "average": 63741919.92,
                "count": 292916,
                "maximum": 63744345.99,
                "minimum": 63739989.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1003.247024,
                "variance": 1006504.591
              },
              {
                "average": 0,
                "count": 292916,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 292916,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 292916,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 292916,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 292916,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.8433,
              2370998.477,
              -17.83779263,
              624999.8233,
              2371998.477,
              0.3822073747
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.8432834537,
                    2370998.4768359466,
                    -17.837792625315867
                  ],
                  [
                    623999.8432834537,
                    2371998.4768359466,
                    -17.837792625315867
                  ],
                  [
                    624999.8232834537,
                    2371998.4768359466,
                    0.382207374684132
                  ],
                  [
                    624999.8232834537,
                    2370998.4768359466,
                    0.382207374684132
                  ],
                  [
                    623999.8432834537,
                    2370998.4768359466,
                    -17.837792625315867
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:32:25+00:00",
            "end_time": "2013-09-20T19:19:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2472.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.80334926524264,
              21.446144684007393,
              -14.259420411028646
            ],
            [
              -157.80327556203963,
              21.455177867432383,
              -14.259420411028646
            ],
            [
              -157.7936261780618,
              21.455108566252115,
              0.740579588971355
            ],
            [
              -157.79370047835158,
              21.44607541472743,
              0.740579588971355
            ],
            [
              -157.80334926524264,
              21.446144684007393,
              -14.259420411028646
            ]
          ]
        ]
      },
      "bbox": [
        -157.8033493,
        21.44607541,
        -14.25942041,
        -157.7936262,
        21.45517787,
        0.740579589
      ],
      "properties": {
        "datetime": "2013-09-23T22:34:34Z",
        "pc:count": 1476031,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624639.3382,
            "count": 1476031,
            "maximum": 624999.8222,
            "minimum": 623999.8222,
            "name": "X",
            "position": 0,
            "stddev": 257.2393469,
            "variance": 66172.08158
          },
          {
            "average": 2372680.156,
            "count": 1476031,
            "maximum": 2372998.477,
            "minimum": 2371998.477,
            "name": "Y",
            "position": 1,
            "stddev": 233.5268018,
            "variance": 54534.76715
          },
          {
            "average": -4.646882422,
            "count": 1476031,
            "maximum": 0.740579589,
            "minimum": -14.25942041,
            "name": "Z",
            "position": 2,
            "stddev": 4.165406307,
            "variance": 17.3506097
          },
          {
            "average": 12.05849742,
            "count": 1476031,
            "maximum": 8352,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.60942619,
            "variance": 818.499267
          },
          {
            "average": 1.045763266,
            "count": 1476031,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2125044685,
            "variance": 0.04515814914
          },
          {
            "average": 1.059867984,
            "count": 1476031,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2414709,
            "variance": 0.05830819555
          },
          {
            "average": 1,
            "count": 1476031,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1476031,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1476031,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.3711787,
            "count": 1476031,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.398192744,
            "variance": 19.34409941
          },
          {
            "average": 115.0143954,
            "count": 1476031,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 85.23037032,
            "variance": 7264.216026
          },
          {
            "average": 1.992525902,
            "count": 1476031,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.97028073,
            "variance": 3.882006156
          },
          {
            "average": 63708841.19,
            "count": 1476031,
            "maximum": 64010874.01,
            "minimum": 63658448.62,
            "name": "GpsTime",
            "position": 12,
            "stddev": 38961.73889,
            "variance": 1518017097
          },
          {
            "average": 0,
            "count": 1476031,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1476031,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1476031,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1476031,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1476031,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.8222,
          2371998.477,
          -14.25942041,
          624999.8222,
          2372998.477,
          0.740579589
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.822165887,
                2371998.476531575,
                -14.259420411028646
              ],
              [
                623999.822165887,
                2372998.476531575,
                -14.259420411028646
              ],
              [
                624999.822165887,
                2372998.476531575,
                0.740579588971355
              ],
              [
                624999.822165887,
                2371998.476531575,
                0.740579588971355
              ],
              [
                623999.822165887,
                2371998.476531575,
                -14.259420411028646
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T22:34:34+00:00",
        "end_time": "2013-09-19T20:40:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2472.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2472.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2472.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2472.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8033493,
            21.44607541,
            -14.25942041,
            -157.7936262,
            21.45517787,
            0.740579589
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.80334926524264,
                  21.446144684007393,
                  -14.259420411028646
                ],
                [
                  -157.80327556203963,
                  21.455177867432383,
                  -14.259420411028646
                ],
                [
                  -157.7936261780618,
                  21.455108566252115,
                  0.740579588971355
                ],
                [
                  -157.79370047835158,
                  21.44607541472743,
                  0.740579588971355
                ],
                [
                  -157.80334926524264,
                  21.446144684007393,
                  -14.259420411028646
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2472.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2472.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T22:34:34Z",
            "pc:count": 1476031,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624639.3382,
                "count": 1476031,
                "maximum": 624999.8222,
                "minimum": 623999.8222,
                "name": "X",
                "position": 0,
                "stddev": 257.2393469,
                "variance": 66172.08158
              },
              {
                "average": 2372680.156,
                "count": 1476031,
                "maximum": 2372998.477,
                "minimum": 2371998.477,
                "name": "Y",
                "position": 1,
                "stddev": 233.5268018,
                "variance": 54534.76715
              },
              {
                "average": -4.646882422,
                "count": 1476031,
                "maximum": 0.740579589,
                "minimum": -14.25942041,
                "name": "Z",
                "position": 2,
                "stddev": 4.165406307,
                "variance": 17.3506097
              },
              {
                "average": 12.05849742,
                "count": 1476031,
                "maximum": 8352,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.60942619,
                "variance": 818.499267
              },
              {
                "average": 1.045763266,
                "count": 1476031,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2125044685,
                "variance": 0.04515814914
              },
              {
                "average": 1.059867984,
                "count": 1476031,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2414709,
                "variance": 0.05830819555
              },
              {
                "average": 1,
                "count": 1476031,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1476031,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1476031,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.3711787,
                "count": 1476031,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.398192744,
                "variance": 19.34409941
              },
              {
                "average": 115.0143954,
                "count": 1476031,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 85.23037032,
                "variance": 7264.216026
              },
              {
                "average": 1.992525902,
                "count": 1476031,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.97028073,
                "variance": 3.882006156
              },
              {
                "average": 63708841.19,
                "count": 1476031,
                "maximum": 64010874.01,
                "minimum": 63658448.62,
                "name": "GpsTime",
                "position": 12,
                "stddev": 38961.73889,
                "variance": 1518017097
              },
              {
                "average": 0,
                "count": 1476031,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1476031,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1476031,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1476031,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1476031,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.8222,
              2371998.477,
              -14.25942041,
              624999.8222,
              2372998.477,
              0.740579589
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.822165887,
                    2371998.476531575,
                    -14.259420411028646
                  ],
                  [
                    623999.822165887,
                    2372998.476531575,
                    -14.259420411028646
                  ],
                  [
                    624999.822165887,
                    2372998.476531575,
                    0.740579588971355
                  ],
                  [
                    624999.822165887,
                    2371998.476531575,
                    0.740579588971355
                  ],
                  [
                    623999.822165887,
                    2371998.476531575,
                    -14.259420411028646
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T22:34:34+00:00",
            "end_time": "2013-09-19T20:40:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2573.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.79362623296444,
              21.45510854645004,
              -5.661469936287549
            ],
            [
              -157.79355189477735,
              21.464141688028768,
              -5.661469936287549
            ],
            [
              -157.78390176923975,
              21.464071794828623,
              -0.961469936287549
            ],
            [
              -157.78397670577212,
              21.455038685195422,
              -0.961469936287549
            ],
            [
              -157.79362623296444,
              21.45510854645004,
              -5.661469936287549
            ]
          ]
        ]
      },
      "bbox": [
        -157.7936262,
        21.45503869,
        -5.661469936,
        -157.7839018,
        21.46414169,
        -0.9614699363
      ],
      "properties": {
        "datetime": "2013-09-19T20:56:30Z",
        "pc:count": 4451979,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625517.0898,
            "count": 4451979,
            "maximum": 625999.8365,
            "minimum": 624999.8165,
            "name": "X",
            "position": 0,
            "stddev": 284.0252311,
            "variance": 80670.3319
          },
          {
            "average": 2373495.055,
            "count": 4451979,
            "maximum": 2373998.474,
            "minimum": 2372998.474,
            "name": "Y",
            "position": 1,
            "stddev": 283.2917039,
            "variance": 80254.18951
          },
          {
            "average": -3.441898092,
            "count": 4451979,
            "maximum": -0.9614699363,
            "minimum": -5.661469936,
            "name": "Z",
            "position": 2,
            "stddev": 0.7916870864,
            "variance": 0.6267684428
          },
          {
            "average": 11.67630598,
            "count": 4451979,
            "maximum": 8949,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.8025925,
            "variance": 1354.430814
          },
          {
            "average": 1.004838298,
            "count": 4451979,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07012998339,
            "variance": 0.00491821457
          },
          {
            "average": 1.006551019,
            "count": 4451979,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08155618871,
            "variance": 0.006651411917
          },
          {
            "average": 1,
            "count": 4451979,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4451979,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4451979,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.09784832,
            "count": 4451979,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.207819759,
            "variance": 4.87446809
          },
          {
            "average": 90.97383096,
            "count": 4451979,
            "maximum": 250,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 66.9728824,
            "variance": 4485.366977
          },
          {
            "average": 6.259916994,
            "count": 4451979,
            "maximum": 10,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.440606014,
            "variance": 2.075345689
          },
          {
            "average": 63654283.84,
            "count": 4451979,
            "maximum": 63659390.63,
            "minimum": 63594402.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 11820.90901,
            "variance": 139733889.9
          },
          {
            "average": 0,
            "count": 4451979,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4451979,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4451979,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4451979,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4451979,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.8165,
          2372998.474,
          -5.661469936,
          625999.8365,
          2373998.474,
          -0.9614699363
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.8164933359,
                2372998.4742957233,
                -5.661469936287549
              ],
              [
                624999.8164933359,
                2373998.4742957233,
                -5.661469936287549
              ],
              [
                625999.8364933359,
                2373998.4742957233,
                -0.961469936287549
              ],
              [
                625999.8364933359,
                2372998.4742957233,
                -0.961469936287549
              ],
              [
                624999.8164933359,
                2372998.4742957233,
                -5.661469936287549
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:56:30+00:00",
        "end_time": "2013-09-19T02:53:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2573.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2573.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2573.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2573.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7936262,
            21.45503869,
            -5.661469936,
            -157.7839018,
            21.46414169,
            -0.9614699363
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.79362623296444,
                  21.45510854645004,
                  -5.661469936287549
                ],
                [
                  -157.79355189477735,
                  21.464141688028768,
                  -5.661469936287549
                ],
                [
                  -157.78390176923975,
                  21.464071794828623,
                  -0.961469936287549
                ],
                [
                  -157.78397670577212,
                  21.455038685195422,
                  -0.961469936287549
                ],
                [
                  -157.79362623296444,
                  21.45510854645004,
                  -5.661469936287549
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2573.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2573.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:56:30Z",
            "pc:count": 4451979,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625517.0898,
                "count": 4451979,
                "maximum": 625999.8365,
                "minimum": 624999.8165,
                "name": "X",
                "position": 0,
                "stddev": 284.0252311,
                "variance": 80670.3319
              },
              {
                "average": 2373495.055,
                "count": 4451979,
                "maximum": 2373998.474,
                "minimum": 2372998.474,
                "name": "Y",
                "position": 1,
                "stddev": 283.2917039,
                "variance": 80254.18951
              },
              {
                "average": -3.441898092,
                "count": 4451979,
                "maximum": -0.9614699363,
                "minimum": -5.661469936,
                "name": "Z",
                "position": 2,
                "stddev": 0.7916870864,
                "variance": 0.6267684428
              },
              {
                "average": 11.67630598,
                "count": 4451979,
                "maximum": 8949,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.8025925,
                "variance": 1354.430814
              },
              {
                "average": 1.004838298,
                "count": 4451979,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07012998339,
                "variance": 0.00491821457
              },
              {
                "average": 1.006551019,
                "count": 4451979,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08155618871,
                "variance": 0.006651411917
              },
              {
                "average": 1,
                "count": 4451979,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4451979,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4451979,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.09784832,
                "count": 4451979,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.207819759,
                "variance": 4.87446809
              },
              {
                "average": 90.97383096,
                "count": 4451979,
                "maximum": 250,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 66.9728824,
                "variance": 4485.366977
              },
              {
                "average": 6.259916994,
                "count": 4451979,
                "maximum": 10,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.440606014,
                "variance": 2.075345689
              },
              {
                "average": 63654283.84,
                "count": 4451979,
                "maximum": 63659390.63,
                "minimum": 63594402.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 11820.90901,
                "variance": 139733889.9
              },
              {
                "average": 0,
                "count": 4451979,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4451979,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4451979,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4451979,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4451979,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.8165,
              2372998.474,
              -5.661469936,
              625999.8365,
              2373998.474,
              -0.9614699363
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.8164933359,
                    2372998.4742957233,
                    -5.661469936287549
                  ],
                  [
                    624999.8164933359,
                    2373998.4742957233,
                    -5.661469936287549
                  ],
                  [
                    625999.8364933359,
                    2373998.4742957233,
                    -0.961469936287549
                  ],
                  [
                    625999.8364933359,
                    2372998.4742957233,
                    -0.961469936287549
                  ],
                  [
                    624999.8164933359,
                    2372998.4742957233,
                    -5.661469936287549
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:56:30+00:00",
            "end_time": "2013-09-19T02:53:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1885.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86032842211367,
              21.563981704035957,
              -28.21914778614744
            ],
            [
              -157.8602577955696,
              21.57301494775867,
              -28.21914778614744
            ],
            [
              -157.85060041548198,
              21.572948591013912,
              -0.059147786147436
            ],
            [
              -157.85067163987168,
              21.563915377999276,
              -0.059147786147436
            ],
            [
              -157.86032842211367,
              21.563981704035957,
              -28.21914778614744
            ]
          ]
        ]
      },
      "bbox": [
        -157.8603284,
        21.56391538,
        -28.21914779,
        -157.8506004,
        21.57301495,
        -0.05914778615
      ],
      "properties": {
        "datetime": "2013-09-23T23:52:04Z",
        "pc:count": 4668251,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618652.2074,
            "count": 4668251,
            "maximum": 618999.8049,
            "minimum": 617999.8049,
            "name": "X",
            "position": 0,
            "stddev": 229.2981179,
            "variance": 52577.62687
          },
          {
            "average": 2385436.088,
            "count": 4668251,
            "maximum": 2385998.484,
            "minimum": 2384998.484,
            "name": "Y",
            "position": 1,
            "stddev": 264.4981729,
            "variance": 69959.28345
          },
          {
            "average": -6.120171474,
            "count": 4668251,
            "maximum": -0.05914778615,
            "minimum": -28.21914779,
            "name": "Z",
            "position": 2,
            "stddev": 2.359639604,
            "variance": 5.567899063
          },
          {
            "average": 6.68493725,
            "count": 4668251,
            "maximum": 7434,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.216536,
            "variance": 331.8421837
          },
          {
            "average": 1.020492257,
            "count": 4668251,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1435111044,
            "variance": 0.02059543709
          },
          {
            "average": 1.036541523,
            "count": 4668251,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1906099449,
            "variance": 0.03633215109
          },
          {
            "average": 1,
            "count": 4668251,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4668251,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4668251,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.51390241,
            "count": 4668251,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.252536348,
            "variance": 18.08406539
          },
          {
            "average": 95.26813554,
            "count": 4668251,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 67.55413167,
            "variance": 4563.560706
          },
          {
            "average": 7.896501923,
            "count": 4668251,
            "maximum": 20,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.891042415,
            "variance": 34.70438074
          },
          {
            "average": 63895639.97,
            "count": 4668251,
            "maximum": 64015524.59,
            "minimum": 63830301.95,
            "name": "GpsTime",
            "position": 12,
            "stddev": 84571.95371,
            "variance": 7152415355
          },
          {
            "average": 0,
            "count": 4668251,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4668251,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4668251,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4668251,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4668251,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.8049,
          2384998.484,
          -28.21914779,
          618999.8049,
          2385998.484,
          -0.05914778615
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.8048523423,
                2384998.483718385,
                -28.21914778614744
              ],
              [
                617999.8048523423,
                2385998.483718385,
                -28.21914778614744
              ],
              [
                618999.8048523423,
                2385998.483718385,
                -0.059147786147436
              ],
              [
                618999.8048523423,
                2384998.483718385,
                -0.059147786147436
              ],
              [
                617999.8048523423,
                2384998.483718385,
                -28.21914778614744
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:52:04+00:00",
        "end_time": "2013-09-21T20:25:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1885.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1885.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1885.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1885.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8603284,
            21.56391538,
            -28.21914779,
            -157.8506004,
            21.57301495,
            -0.05914778615
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86032842211367,
                  21.563981704035957,
                  -28.21914778614744
                ],
                [
                  -157.8602577955696,
                  21.57301494775867,
                  -28.21914778614744
                ],
                [
                  -157.85060041548198,
                  21.572948591013912,
                  -0.059147786147436
                ],
                [
                  -157.85067163987168,
                  21.563915377999276,
                  -0.059147786147436
                ],
                [
                  -157.86032842211367,
                  21.563981704035957,
                  -28.21914778614744
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1885.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1885.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:52:04Z",
            "pc:count": 4668251,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618652.2074,
                "count": 4668251,
                "maximum": 618999.8049,
                "minimum": 617999.8049,
                "name": "X",
                "position": 0,
                "stddev": 229.2981179,
                "variance": 52577.62687
              },
              {
                "average": 2385436.088,
                "count": 4668251,
                "maximum": 2385998.484,
                "minimum": 2384998.484,
                "name": "Y",
                "position": 1,
                "stddev": 264.4981729,
                "variance": 69959.28345
              },
              {
                "average": -6.120171474,
                "count": 4668251,
                "maximum": -0.05914778615,
                "minimum": -28.21914779,
                "name": "Z",
                "position": 2,
                "stddev": 2.359639604,
                "variance": 5.567899063
              },
              {
                "average": 6.68493725,
                "count": 4668251,
                "maximum": 7434,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.216536,
                "variance": 331.8421837
              },
              {
                "average": 1.020492257,
                "count": 4668251,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1435111044,
                "variance": 0.02059543709
              },
              {
                "average": 1.036541523,
                "count": 4668251,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1906099449,
                "variance": 0.03633215109
              },
              {
                "average": 1,
                "count": 4668251,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4668251,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4668251,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.51390241,
                "count": 4668251,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.252536348,
                "variance": 18.08406539
              },
              {
                "average": 95.26813554,
                "count": 4668251,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 67.55413167,
                "variance": 4563.560706
              },
              {
                "average": 7.896501923,
                "count": 4668251,
                "maximum": 20,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.891042415,
                "variance": 34.70438074
              },
              {
                "average": 63895639.97,
                "count": 4668251,
                "maximum": 64015524.59,
                "minimum": 63830301.95,
                "name": "GpsTime",
                "position": 12,
                "stddev": 84571.95371,
                "variance": 7152415355
              },
              {
                "average": 0,
                "count": 4668251,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4668251,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4668251,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4668251,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4668251,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.8049,
              2384998.484,
              -28.21914779,
              618999.8049,
              2385998.484,
              -0.05914778615
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.8048523423,
                    2384998.483718385,
                    -28.21914778614744
                  ],
                  [
                    617999.8048523423,
                    2385998.483718385,
                    -28.21914778614744
                  ],
                  [
                    618999.8048523423,
                    2385998.483718385,
                    -0.059147786147436
                  ],
                  [
                    618999.8048523423,
                    2384998.483718385,
                    -0.059147786147436
                  ],
                  [
                    617999.8048523423,
                    2384998.483718385,
                    -28.21914778614744
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:52:04+00:00",
            "end_time": "2013-09-21T20:25:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1785.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86998535682446,
              21.564047496778965,
              -18.65294768595517
            ],
            [
              -157.8699153282024,
              21.573080770954405,
              -18.65294768595517
            ],
            [
              -157.86025791220933,
              21.573014973667522,
              0.767052314044832
            ],
            [
              -157.8603285387463,
              21.563981729944462,
              0.767052314044832
            ],
            [
              -157.86998535682446,
              21.564047496778965,
              -18.65294768595517
            ]
          ]
        ]
      },
      "bbox": [
        -157.8699854,
        21.56398173,
        -18.65294769,
        -157.8602579,
        21.57308077,
        0.767052314
      ],
      "properties": {
        "datetime": "2013-09-23T23:29:19Z",
        "pc:count": 3555801,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 617418.8535,
            "count": 3555801,
            "maximum": 617999.7928,
            "minimum": 616999.7928,
            "name": "X",
            "position": 0,
            "stddev": 269.269012,
            "variance": 72505.80081
          },
          {
            "average": 2385602.408,
            "count": 3555801,
            "maximum": 2385998.486,
            "minimum": 2384998.486,
            "name": "Y",
            "position": 1,
            "stddev": 293.7851498,
            "variance": 86309.71426
          },
          {
            "average": -2.924651581,
            "count": 3555801,
            "maximum": 0.767052314,
            "minimum": -18.65294769,
            "name": "Z",
            "position": 2,
            "stddev": 2.483953078,
            "variance": 6.170022892
          },
          {
            "average": 6.266635563,
            "count": 3555801,
            "maximum": 8678,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.62959765,
            "variance": 467.8394946
          },
          {
            "average": 1.028979406,
            "count": 3555801,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1691294275,
            "variance": 0.02860476324
          },
          {
            "average": 1.043924843,
            "count": 3555801,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2070129012,
            "variance": 0.04285434126
          },
          {
            "average": 1,
            "count": 3555801,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3555801,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3555801,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.14289333,
            "count": 3555801,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.168011169,
            "variance": 10.03629477
          },
          {
            "average": 99.04011276,
            "count": 3555801,
            "maximum": 254,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 78.73043306,
            "variance": 6198.481089
          },
          {
            "average": 5.766225669,
            "count": 3555801,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.504998486,
            "variance": 6.275017413
          },
          {
            "average": 63918217.2,
            "count": 3555801,
            "maximum": 64014159.56,
            "minimum": 63844764.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 82105.55872,
            "variance": 6741322772
          },
          {
            "average": 0,
            "count": 3555801,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3555801,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3555801,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3555801,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3555801,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          616999.7928,
          2384998.486,
          -18.65294769,
          617999.7928,
          2385998.486,
          0.767052314
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                616999.7927542485,
                2384998.4864980574,
                -18.65294768595517
              ],
              [
                616999.7927542485,
                2385998.4864980574,
                -18.65294768595517
              ],
              [
                617999.7927542485,
                2385998.4864980574,
                0.767052314044832
              ],
              [
                617999.7927542485,
                2384998.4864980574,
                0.767052314044832
              ],
              [
                616999.7927542485,
                2384998.4864980574,
                -18.65294768595517
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:29:19+00:00",
        "end_time": "2013-09-22T00:26:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1785.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1785.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1785.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1785.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8699854,
            21.56398173,
            -18.65294769,
            -157.8602579,
            21.57308077,
            0.767052314
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86998535682446,
                  21.564047496778965,
                  -18.65294768595517
                ],
                [
                  -157.8699153282024,
                  21.573080770954405,
                  -18.65294768595517
                ],
                [
                  -157.86025791220933,
                  21.573014973667522,
                  0.767052314044832
                ],
                [
                  -157.8603285387463,
                  21.563981729944462,
                  0.767052314044832
                ],
                [
                  -157.86998535682446,
                  21.564047496778965,
                  -18.65294768595517
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1785.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1785.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:29:19Z",
            "pc:count": 3555801,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 617418.8535,
                "count": 3555801,
                "maximum": 617999.7928,
                "minimum": 616999.7928,
                "name": "X",
                "position": 0,
                "stddev": 269.269012,
                "variance": 72505.80081
              },
              {
                "average": 2385602.408,
                "count": 3555801,
                "maximum": 2385998.486,
                "minimum": 2384998.486,
                "name": "Y",
                "position": 1,
                "stddev": 293.7851498,
                "variance": 86309.71426
              },
              {
                "average": -2.924651581,
                "count": 3555801,
                "maximum": 0.767052314,
                "minimum": -18.65294769,
                "name": "Z",
                "position": 2,
                "stddev": 2.483953078,
                "variance": 6.170022892
              },
              {
                "average": 6.266635563,
                "count": 3555801,
                "maximum": 8678,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.62959765,
                "variance": 467.8394946
              },
              {
                "average": 1.028979406,
                "count": 3555801,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1691294275,
                "variance": 0.02860476324
              },
              {
                "average": 1.043924843,
                "count": 3555801,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2070129012,
                "variance": 0.04285434126
              },
              {
                "average": 1,
                "count": 3555801,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3555801,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3555801,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.14289333,
                "count": 3555801,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.168011169,
                "variance": 10.03629477
              },
              {
                "average": 99.04011276,
                "count": 3555801,
                "maximum": 254,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 78.73043306,
                "variance": 6198.481089
              },
              {
                "average": 5.766225669,
                "count": 3555801,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.504998486,
                "variance": 6.275017413
              },
              {
                "average": 63918217.2,
                "count": 3555801,
                "maximum": 64014159.56,
                "minimum": 63844764.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 82105.55872,
                "variance": 6741322772
              },
              {
                "average": 0,
                "count": 3555801,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3555801,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3555801,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3555801,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3555801,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              616999.7928,
              2384998.486,
              -18.65294769,
              617999.7928,
              2385998.486,
              0.767052314
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    616999.7927542485,
                    2384998.4864980574,
                    -18.65294768595517
                  ],
                  [
                    616999.7927542485,
                    2385998.4864980574,
                    -18.65294768595517
                  ],
                  [
                    617999.7927542485,
                    2385998.4864980574,
                    0.767052314044832
                  ],
                  [
                    617999.7927542485,
                    2384998.4864980574,
                    0.767052314044832
                  ],
                  [
                    616999.7927542485,
                    2384998.4864980574,
                    -18.65294768595517
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:29:19+00:00",
            "end_time": "2013-09-22T00:26:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2181.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8316473866948,
              21.52764835361635,
              -12.051840045785486
            ],
            [
              -157.83157512181398,
              21.536681543303263,
              -12.051840045785486
            ],
            [
              -157.8219202292128,
              21.53661363657518,
              0.588159954214515
            ],
            [
              -157.82199308849744,
              21.527580478713364,
              0.588159954214515
            ],
            [
              -157.8316473866948,
              21.52764835361635,
              -12.051840045785486
            ]
          ]
        ]
      },
      "bbox": [
        -157.8316474,
        21.52758048,
        -12.05184005,
        -157.8219202,
        21.53668154,
        0.5881599542
      ],
      "properties": {
        "datetime": "2013-09-22T00:31:02Z",
        "pc:count": 10072822,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621464.0086,
            "count": 10072822,
            "maximum": 621999.8141,
            "minimum": 620999.8141,
            "name": "X",
            "position": 0,
            "stddev": 271.2503962,
            "variance": 73576.77744
          },
          {
            "average": 2381439.23,
            "count": 10072822,
            "maximum": 2381998.484,
            "minimum": 2380998.484,
            "name": "Y",
            "position": 1,
            "stddev": 278.8671612,
            "variance": 77766.89358
          },
          {
            "average": -4.120853809,
            "count": 10072822,
            "maximum": 0.5881599542,
            "minimum": -12.05184005,
            "name": "Z",
            "position": 2,
            "stddev": 2.230300958,
            "variance": 4.974242364
          },
          {
            "average": 6.075279996,
            "count": 10072822,
            "maximum": 8962,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.72360269,
            "variance": 516.3621191
          },
          {
            "average": 1.020274954,
            "count": 10072822,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1426782757,
            "variance": 0.02035709036
          },
          {
            "average": 1.036064769,
            "count": 10072822,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1890891099,
            "variance": 0.03575469147
          },
          {
            "average": 1,
            "count": 10072822,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10072822,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 10072822,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.94509973,
            "count": 10072822,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.180976534,
            "variance": 10.11861171
          },
          {
            "average": 92.76710777,
            "count": 10072822,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 67.70367347,
            "variance": 4583.787402
          },
          {
            "average": 7.251501714,
            "count": 10072822,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.337922811,
            "variance": 28.49341993
          },
          {
            "average": 63810063.21,
            "count": 10072822,
            "maximum": 63845062.41,
            "minimum": 63653237.69,
            "name": "GpsTime",
            "position": 12,
            "stddev": 32160.69821,
            "variance": 1034310509
          },
          {
            "average": 0,
            "count": 10072822,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10072822,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10072822,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10072822,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10072822,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.8141,
          2380998.484,
          -12.05184005,
          621999.8141,
          2381998.484,
          0.5881599542
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.8141051311,
                2380998.4844211657,
                -12.051840045785486
              ],
              [
                620999.8141051311,
                2381998.4844211657,
                -12.051840045785486
              ],
              [
                621999.8141051311,
                2381998.4844211657,
                0.588159954214515
              ],
              [
                621999.8141051311,
                2380998.4844211657,
                0.588159954214515
              ],
              [
                620999.8141051311,
                2380998.4844211657,
                -12.051840045785486
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:31:02+00:00",
        "end_time": "2013-09-19T19:13:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2181.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2181.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2181.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2181.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8316474,
            21.52758048,
            -12.05184005,
            -157.8219202,
            21.53668154,
            0.5881599542
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8316473866948,
                  21.52764835361635,
                  -12.051840045785486
                ],
                [
                  -157.83157512181398,
                  21.536681543303263,
                  -12.051840045785486
                ],
                [
                  -157.8219202292128,
                  21.53661363657518,
                  0.588159954214515
                ],
                [
                  -157.82199308849744,
                  21.527580478713364,
                  0.588159954214515
                ],
                [
                  -157.8316473866948,
                  21.52764835361635,
                  -12.051840045785486
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2181.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2181.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:31:02Z",
            "pc:count": 10072822,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621464.0086,
                "count": 10072822,
                "maximum": 621999.8141,
                "minimum": 620999.8141,
                "name": "X",
                "position": 0,
                "stddev": 271.2503962,
                "variance": 73576.77744
              },
              {
                "average": 2381439.23,
                "count": 10072822,
                "maximum": 2381998.484,
                "minimum": 2380998.484,
                "name": "Y",
                "position": 1,
                "stddev": 278.8671612,
                "variance": 77766.89358
              },
              {
                "average": -4.120853809,
                "count": 10072822,
                "maximum": 0.5881599542,
                "minimum": -12.05184005,
                "name": "Z",
                "position": 2,
                "stddev": 2.230300958,
                "variance": 4.974242364
              },
              {
                "average": 6.075279996,
                "count": 10072822,
                "maximum": 8962,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.72360269,
                "variance": 516.3621191
              },
              {
                "average": 1.020274954,
                "count": 10072822,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1426782757,
                "variance": 0.02035709036
              },
              {
                "average": 1.036064769,
                "count": 10072822,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1890891099,
                "variance": 0.03575469147
              },
              {
                "average": 1,
                "count": 10072822,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10072822,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 10072822,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.94509973,
                "count": 10072822,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.180976534,
                "variance": 10.11861171
              },
              {
                "average": 92.76710777,
                "count": 10072822,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 67.70367347,
                "variance": 4583.787402
              },
              {
                "average": 7.251501714,
                "count": 10072822,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.337922811,
                "variance": 28.49341993
              },
              {
                "average": 63810063.21,
                "count": 10072822,
                "maximum": 63845062.41,
                "minimum": 63653237.69,
                "name": "GpsTime",
                "position": 12,
                "stddev": 32160.69821,
                "variance": 1034310509
              },
              {
                "average": 0,
                "count": 10072822,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10072822,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10072822,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10072822,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10072822,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.8141,
              2380998.484,
              -12.05184005,
              621999.8141,
              2381998.484,
              0.5881599542
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.8141051311,
                    2380998.4844211657,
                    -12.051840045785486
                  ],
                  [
                    620999.8141051311,
                    2381998.4844211657,
                    -12.051840045785486
                  ],
                  [
                    621999.8141051311,
                    2381998.4844211657,
                    0.588159954214515
                  ],
                  [
                    621999.8141051311,
                    2380998.4844211657,
                    0.588159954214515
                  ],
                  [
                    620999.8141051311,
                    2380998.4844211657,
                    -12.051840045785486
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:31:02+00:00",
            "end_time": "2013-09-19T19:13:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj1979.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85109814169112,
              21.50971581024753,
              -1.497305702824207
            ],
            [
              -157.85102714341465,
              21.518749262485603,
              -1.497305702824207
            ],
            [
              -157.84137337980982,
              21.51868253254231,
              158.8426942971758
            ],
            [
              -157.8414449736782,
              21.50964911135941,
              158.8426942971758
            ],
            [
              -157.85109814169112,
              21.50971581024753,
              -1.497305702824207
            ]
          ]
        ]
      },
      "bbox": [
        -157.8510981,
        21.50964911,
        -1.497305703,
        -157.8413734,
        21.51874926,
        158.8426943
      ],
      "properties": {
        "datetime": "2013-09-21T20:17:12Z",
        "pc:count": 3824907,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619690.0572,
            "count": 3824907,
            "maximum": 619999.8097,
            "minimum": 618999.8097,
            "name": "X",
            "position": 0,
            "stddev": 231.0904869,
            "variance": 53402.81315
          },
          {
            "average": 2379506.052,
            "count": 3824907,
            "maximum": 2379998.494,
            "minimum": 2378998.474,
            "name": "Y",
            "position": 1,
            "stddev": 275.5157096,
            "variance": 75908.90625
          },
          {
            "average": 30.12319962,
            "count": 3824907,
            "maximum": 158.8426943,
            "minimum": -1.497305703,
            "name": "Z",
            "position": 2,
            "stddev": 30.98365342,
            "variance": 959.9867795
          },
          {
            "average": 7.201132995,
            "count": 3824907,
            "maximum": 1734,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 13.45149222,
            "variance": 180.9426429
          },
          {
            "average": 1.848357359,
            "count": 3824907,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.071766895,
            "variance": 1.148684278
          },
          {
            "average": 2.697449899,
            "count": 3824907,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.465118161,
            "variance": 2.146571225
          },
          {
            "average": 1,
            "count": 3824907,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3824907,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.60011629,
            "count": 3824907,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.988414835,
            "variance": 63.81477157
          },
          {
            "average": 20.02885674,
            "count": 3824907,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.410917777,
            "variance": 5.812524528
          },
          {
            "average": 90.88218799,
            "count": 3824907,
            "maximum": 202,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.01806938,
            "variance": 4626.457762
          },
          {
            "average": 8.38234263,
            "count": 3824907,
            "maximum": 11,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.193536349,
            "variance": 1.424529016
          },
          {
            "average": 63824590.11,
            "count": 3824907,
            "maximum": 63829832.5,
            "minimum": 63655563.11,
            "name": "GpsTime",
            "position": 12,
            "stddev": 26779.91286,
            "variance": 717163732.7
          },
          {
            "average": 0,
            "count": 3824907,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3824907,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3824907,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3824907,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3824907,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.8097,
          2378998.474,
          -1.497305703,
          619999.8097,
          2379998.494,
          158.8426943
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.8097450563,
                2378998.4743422787,
                -1.497305702824207
              ],
              [
                618999.8097450563,
                2379998.494342278,
                -1.497305702824207
              ],
              [
                619999.8097450563,
                2379998.494342278,
                158.8426942971758
              ],
              [
                619999.8097450563,
                2378998.4743422787,
                158.8426942971758
              ],
              [
                618999.8097450563,
                2378998.4743422787,
                -1.497305702824207
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T20:17:12+00:00",
        "end_time": "2013-09-19T19:52:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj1979.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj1979.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj1979.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj1979.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8510981,
            21.50964911,
            -1.497305703,
            -157.8413734,
            21.51874926,
            158.8426943
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85109814169112,
                  21.50971581024753,
                  -1.497305702824207
                ],
                [
                  -157.85102714341465,
                  21.518749262485603,
                  -1.497305702824207
                ],
                [
                  -157.84137337980982,
                  21.51868253254231,
                  158.8426942971758
                ],
                [
                  -157.8414449736782,
                  21.50964911135941,
                  158.8426942971758
                ],
                [
                  -157.85109814169112,
                  21.50971581024753,
                  -1.497305702824207
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj1979.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj1979.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T20:17:12Z",
            "pc:count": 3824907,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619690.0572,
                "count": 3824907,
                "maximum": 619999.8097,
                "minimum": 618999.8097,
                "name": "X",
                "position": 0,
                "stddev": 231.0904869,
                "variance": 53402.81315
              },
              {
                "average": 2379506.052,
                "count": 3824907,
                "maximum": 2379998.494,
                "minimum": 2378998.474,
                "name": "Y",
                "position": 1,
                "stddev": 275.5157096,
                "variance": 75908.90625
              },
              {
                "average": 30.12319962,
                "count": 3824907,
                "maximum": 158.8426943,
                "minimum": -1.497305703,
                "name": "Z",
                "position": 2,
                "stddev": 30.98365342,
                "variance": 959.9867795
              },
              {
                "average": 7.201132995,
                "count": 3824907,
                "maximum": 1734,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 13.45149222,
                "variance": 180.9426429
              },
              {
                "average": 1.848357359,
                "count": 3824907,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.071766895,
                "variance": 1.148684278
              },
              {
                "average": 2.697449899,
                "count": 3824907,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.465118161,
                "variance": 2.146571225
              },
              {
                "average": 1,
                "count": 3824907,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3824907,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.60011629,
                "count": 3824907,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.988414835,
                "variance": 63.81477157
              },
              {
                "average": 20.02885674,
                "count": 3824907,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.410917777,
                "variance": 5.812524528
              },
              {
                "average": 90.88218799,
                "count": 3824907,
                "maximum": 202,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.01806938,
                "variance": 4626.457762
              },
              {
                "average": 8.38234263,
                "count": 3824907,
                "maximum": 11,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.193536349,
                "variance": 1.424529016
              },
              {
                "average": 63824590.11,
                "count": 3824907,
                "maximum": 63829832.5,
                "minimum": 63655563.11,
                "name": "GpsTime",
                "position": 12,
                "stddev": 26779.91286,
                "variance": 717163732.7
              },
              {
                "average": 0,
                "count": 3824907,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3824907,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3824907,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3824907,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3824907,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.8097,
              2378998.474,
              -1.497305703,
              619999.8097,
              2379998.494,
              158.8426943
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.8097450563,
                    2378998.4743422787,
                    -1.497305702824207
                  ],
                  [
                    618999.8097450563,
                    2379998.494342278,
                    -1.497305702824207
                  ],
                  [
                    619999.8097450563,
                    2379998.494342278,
                    158.8426942971758
                  ],
                  [
                    619999.8097450563,
                    2378998.4743422787,
                    158.8426942971758
                  ],
                  [
                    618999.8097450563,
                    2378998.4743422787,
                    -1.497305702824207
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T20:17:12+00:00",
            "end_time": "2013-09-19T19:52:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2677.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7836767792896,
              21.491171253716423,
              -44.68220890430496
            ],
            [
              -157.78363803399756,
              21.495832680488366,
              -44.68220890430496
            ],
            [
              -157.77874137862355,
              21.495796953342154,
              -31.182208904304957
            ],
            [
              -157.77878028079888,
              21.49113553489634,
              -31.182208904304957
            ],
            [
              -157.7836767792896,
              21.491171253716423,
              -44.68220890430496
            ]
          ]
        ]
      },
      "bbox": [
        -157.7836768,
        21.49113553,
        -44.6822089,
        -157.7787414,
        21.49583268,
        -31.1822089
      ],
      "properties": {
        "datetime": "2013-09-21T02:23:38Z",
        "pc:count": 22628,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626116.7451,
            "count": 22628,
            "maximum": 626507.1515,
            "minimum": 625999.8315,
            "name": "X",
            "position": 0,
            "stddev": 87.4475563,
            "variance": 7647.075102
          },
          {
            "average": 2377121.854,
            "count": 22628,
            "maximum": 2377514.535,
            "minimum": 2376998.495,
            "name": "Y",
            "position": 1,
            "stddev": 89.13543779,
            "variance": 7945.126269
          },
          {
            "average": -35.86738302,
            "count": 22628,
            "maximum": -31.1822089,
            "minimum": -44.6822089,
            "name": "Z",
            "position": 2,
            "stddev": 1.617958362,
            "variance": 2.617789261
          },
          {
            "average": 273.704437,
            "count": 22628,
            "maximum": 878,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 184.3570955,
            "variance": 33987.53866
          },
          {
            "average": 1.000044193,
            "count": 22628,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.006647784231,
            "variance": 4.419303518e-05
          },
          {
            "average": 1.000044193,
            "count": 22628,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.006647784231,
            "variance": 4.419303518e-05
          },
          {
            "average": 1,
            "count": 22628,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22628,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 22628,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.75662135,
            "count": 22628,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.237811996,
            "variance": 67.86154649
          },
          {
            "average": 249.0003977,
            "count": 22628,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.0199398268,
            "variance": 0.0003975966926
          },
          {
            "average": 19.04145307,
            "count": 22628,
            "maximum": 22,
            "minimum": 12,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.294332559,
            "variance": 18.44129213
          },
          {
            "average": 63764594.52,
            "count": 22628,
            "maximum": 63765418.96,
            "minimum": 63762533.63,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1189.903243,
            "variance": 1415869.728
          },
          {
            "average": 0,
            "count": 22628,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22628,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22628,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22628,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22628,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.8315,
          2376998.495,
          -44.6822089,
          626507.1515,
          2377514.535,
          -31.1822089
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.8315044482,
                2376998.495071742,
                -44.68220890430496
              ],
              [
                625999.8315044482,
                2377514.5350717423,
                -44.68220890430496
              ],
              [
                626507.1515044483,
                2377514.5350717423,
                -31.182208904304957
              ],
              [
                626507.1515044483,
                2376998.495071742,
                -31.182208904304957
              ],
              [
                625999.8315044482,
                2376998.495071742,
                -44.68220890430496
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:23:38+00:00",
        "end_time": "2013-09-21T01:35:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2677.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2677.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2677.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2677.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7836768,
            21.49113553,
            -44.6822089,
            -157.7787414,
            21.49583268,
            -31.1822089
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7836767792896,
                  21.491171253716423,
                  -44.68220890430496
                ],
                [
                  -157.78363803399756,
                  21.495832680488366,
                  -44.68220890430496
                ],
                [
                  -157.77874137862355,
                  21.495796953342154,
                  -31.182208904304957
                ],
                [
                  -157.77878028079888,
                  21.49113553489634,
                  -31.182208904304957
                ],
                [
                  -157.7836767792896,
                  21.491171253716423,
                  -44.68220890430496
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2677.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2677.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:23:38Z",
            "pc:count": 22628,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626116.7451,
                "count": 22628,
                "maximum": 626507.1515,
                "minimum": 625999.8315,
                "name": "X",
                "position": 0,
                "stddev": 87.4475563,
                "variance": 7647.075102
              },
              {
                "average": 2377121.854,
                "count": 22628,
                "maximum": 2377514.535,
                "minimum": 2376998.495,
                "name": "Y",
                "position": 1,
                "stddev": 89.13543779,
                "variance": 7945.126269
              },
              {
                "average": -35.86738302,
                "count": 22628,
                "maximum": -31.1822089,
                "minimum": -44.6822089,
                "name": "Z",
                "position": 2,
                "stddev": 1.617958362,
                "variance": 2.617789261
              },
              {
                "average": 273.704437,
                "count": 22628,
                "maximum": 878,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 184.3570955,
                "variance": 33987.53866
              },
              {
                "average": 1.000044193,
                "count": 22628,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.006647784231,
                "variance": 4.419303518e-05
              },
              {
                "average": 1.000044193,
                "count": 22628,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.006647784231,
                "variance": 4.419303518e-05
              },
              {
                "average": 1,
                "count": 22628,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22628,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 22628,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.75662135,
                "count": 22628,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.237811996,
                "variance": 67.86154649
              },
              {
                "average": 249.0003977,
                "count": 22628,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.0199398268,
                "variance": 0.0003975966926
              },
              {
                "average": 19.04145307,
                "count": 22628,
                "maximum": 22,
                "minimum": 12,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.294332559,
                "variance": 18.44129213
              },
              {
                "average": 63764594.52,
                "count": 22628,
                "maximum": 63765418.96,
                "minimum": 63762533.63,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1189.903243,
                "variance": 1415869.728
              },
              {
                "average": 0,
                "count": 22628,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22628,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22628,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22628,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22628,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.8315,
              2376998.495,
              -44.6822089,
              626507.1515,
              2377514.535,
              -31.1822089
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.8315044482,
                    2376998.495071742,
                    -44.68220890430496
                  ],
                  [
                    625999.8315044482,
                    2377514.5350717423,
                    -44.68220890430496
                  ],
                  [
                    626507.1515044483,
                    2377514.5350717423,
                    -31.182208904304957
                  ],
                  [
                    626507.1515044483,
                    2376998.495071742,
                    -31.182208904304957
                  ],
                  [
                    625999.8315044482,
                    2376998.495071742,
                    -44.68220890430496
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:23:38+00:00",
            "end_time": "2013-09-21T01:35:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2473.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.80327557820942,
              21.455177749836135,
              -13.209647223023708
            ],
            [
              -157.80320183580739,
              21.4642111038624,
              -13.209647223023708
            ],
            [
              -157.79355185456305,
              21.464141770898603,
              0.490352776976292
            ],
            [
              -157.7936261942393,
              21.45510844865716,
              0.490352776976292
            ],
            [
              -157.80327557820942,
              21.455177749836135,
              -13.209647223023708
            ]
          ]
        ]
      },
      "bbox": [
        -157.8032756,
        21.45510845,
        -13.20964722,
        -157.7935519,
        21.4642111,
        0.490352777
      ],
      "properties": {
        "datetime": "2013-09-20T19:19:32Z",
        "pc:count": 3291959,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624577.5332,
            "count": 3291959,
            "maximum": 624999.8206,
            "minimum": 623999.8206,
            "name": "X",
            "position": 0,
            "stddev": 267.0890644,
            "variance": 71336.56832
          },
          {
            "average": 2373491.213,
            "count": 3291959,
            "maximum": 2373998.484,
            "minimum": 2372998.464,
            "name": "Y",
            "position": 1,
            "stddev": 284.3018858,
            "variance": 80827.56228
          },
          {
            "average": -1.943140906,
            "count": 3291959,
            "maximum": 0.490352777,
            "minimum": -13.20964722,
            "name": "Z",
            "position": 2,
            "stddev": 2.519502364,
            "variance": 6.347892163
          },
          {
            "average": 7.249123698,
            "count": 3291959,
            "maximum": 8083,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.82478243,
            "variance": 774.2185172
          },
          {
            "average": 1.015465563,
            "count": 3291959,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1260451863,
            "variance": 0.01588738898
          },
          {
            "average": 1.023325928,
            "count": 3291959,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1540776714,
            "variance": 0.02373992882
          },
          {
            "average": 1,
            "count": 3291959,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3291959,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3291959,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.77540746,
            "count": 3291959,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.202972495,
            "variance": 10.25903281
          },
          {
            "average": 91.73674885,
            "count": 3291959,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 72.21531119,
            "variance": 5215.051171
          },
          {
            "average": 6.800814652,
            "count": 3291959,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.406857215,
            "variance": 11.60667608
          },
          {
            "average": 63665382.64,
            "count": 3291959,
            "maximum": 63739972.25,
            "minimum": 63656619.49,
            "name": "GpsTime",
            "position": 12,
            "stddev": 15126.42535,
            "variance": 228808743.7
          },
          {
            "average": 0,
            "count": 3291959,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3291959,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3291959,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3291959,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3291959,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.8206,
          2372998.464,
          -13.20964722,
          624999.8206,
          2373998.484,
          0.490352777
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.8205897108,
                2372998.463501273,
                -13.209647223023708
              ],
              [
                623999.8205897108,
                2373998.4835012727,
                -13.209647223023708
              ],
              [
                624999.8205897108,
                2373998.4835012727,
                0.490352776976292
              ],
              [
                624999.8205897108,
                2372998.463501273,
                0.490352776976292
              ],
              [
                623999.8205897108,
                2372998.463501273,
                -13.209647223023708
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:19:32+00:00",
        "end_time": "2013-09-19T20:10:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2473.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2473.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2473.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2473.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8032756,
            21.45510845,
            -13.20964722,
            -157.7935519,
            21.4642111,
            0.490352777
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.80327557820942,
                  21.455177749836135,
                  -13.209647223023708
                ],
                [
                  -157.80320183580739,
                  21.4642111038624,
                  -13.209647223023708
                ],
                [
                  -157.79355185456305,
                  21.464141770898603,
                  0.490352776976292
                ],
                [
                  -157.7936261942393,
                  21.45510844865716,
                  0.490352776976292
                ],
                [
                  -157.80327557820942,
                  21.455177749836135,
                  -13.209647223023708
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2473.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2473.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:19:32Z",
            "pc:count": 3291959,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624577.5332,
                "count": 3291959,
                "maximum": 624999.8206,
                "minimum": 623999.8206,
                "name": "X",
                "position": 0,
                "stddev": 267.0890644,
                "variance": 71336.56832
              },
              {
                "average": 2373491.213,
                "count": 3291959,
                "maximum": 2373998.484,
                "minimum": 2372998.464,
                "name": "Y",
                "position": 1,
                "stddev": 284.3018858,
                "variance": 80827.56228
              },
              {
                "average": -1.943140906,
                "count": 3291959,
                "maximum": 0.490352777,
                "minimum": -13.20964722,
                "name": "Z",
                "position": 2,
                "stddev": 2.519502364,
                "variance": 6.347892163
              },
              {
                "average": 7.249123698,
                "count": 3291959,
                "maximum": 8083,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.82478243,
                "variance": 774.2185172
              },
              {
                "average": 1.015465563,
                "count": 3291959,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1260451863,
                "variance": 0.01588738898
              },
              {
                "average": 1.023325928,
                "count": 3291959,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1540776714,
                "variance": 0.02373992882
              },
              {
                "average": 1,
                "count": 3291959,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3291959,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3291959,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.77540746,
                "count": 3291959,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.202972495,
                "variance": 10.25903281
              },
              {
                "average": 91.73674885,
                "count": 3291959,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 72.21531119,
                "variance": 5215.051171
              },
              {
                "average": 6.800814652,
                "count": 3291959,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.406857215,
                "variance": 11.60667608
              },
              {
                "average": 63665382.64,
                "count": 3291959,
                "maximum": 63739972.25,
                "minimum": 63656619.49,
                "name": "GpsTime",
                "position": 12,
                "stddev": 15126.42535,
                "variance": 228808743.7
              },
              {
                "average": 0,
                "count": 3291959,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3291959,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3291959,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3291959,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3291959,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.8206,
              2372998.464,
              -13.20964722,
              624999.8206,
              2373998.484,
              0.490352777
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.8205897108,
                    2372998.463501273,
                    -13.209647223023708
                  ],
                  [
                    623999.8205897108,
                    2373998.4835012727,
                    -13.209647223023708
                  ],
                  [
                    624999.8205897108,
                    2373998.4835012727,
                    0.490352776976292
                  ],
                  [
                    624999.8205897108,
                    2372998.463501273,
                    0.490352776976292
                  ],
                  [
                    623999.8205897108,
                    2372998.463501273,
                    -13.209647223023708
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:19:32+00:00",
            "end_time": "2013-09-19T20:10:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2750.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77603851147794,
              21.249078600917166,
              -24.12656769088308
            ],
            [
              -157.77597936363836,
              21.256237679729264,
              -24.12656769088308
            ],
            [
              -157.7663430786163,
              21.25616742790245,
              -10.32656769088308
            ],
            [
              -157.76640269182417,
              21.249008374927975,
              -10.32656769088308
            ],
            [
              -157.77603851147794,
              21.249078600917166,
              -24.12656769088308
            ]
          ]
        ]
      },
      "bbox": [
        -157.7760385,
        21.24900837,
        -24.12656769,
        -157.7663431,
        21.25623768,
        -10.32656769
      ],
      "properties": {
        "datetime": "2013-09-22T19:51:33Z",
        "pc:count": 2625775,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627417.3014,
            "count": 2625775,
            "maximum": 627999.802,
            "minimum": 626999.802,
            "name": "X",
            "position": 0,
            "stddev": 284.748479,
            "variance": 81081.69632
          },
          {
            "average": 2350743.856,
            "count": 2625775,
            "maximum": 2350998.435,
            "minimum": 2350205.915,
            "name": "Y",
            "position": 1,
            "stddev": 184.0614772,
            "variance": 33878.6274
          },
          {
            "average": -16.88215653,
            "count": 2625775,
            "maximum": -10.32656769,
            "minimum": -24.12656769,
            "name": "Z",
            "position": 2,
            "stddev": 1.552777543,
            "variance": 2.411118098
          },
          {
            "average": 177.5331531,
            "count": 2625775,
            "maximum": 1669,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 218.6954134,
            "variance": 47827.68384
          },
          {
            "average": 1.004739934,
            "count": 2625775,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06907087924,
            "variance": 0.00477078636
          },
          {
            "average": 1.007905476,
            "count": 2625775,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08929294082,
            "variance": 0.00797322928
          },
          {
            "average": 1,
            "count": 2625775,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2625775,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2625775,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.91232542,
            "count": 2625775,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.954954353,
            "variance": 35.46148134
          },
          {
            "average": 142.9224751,
            "count": 2625775,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 91.20843177,
            "variance": 8318.978025
          },
          {
            "average": 2.613119555,
            "count": 2625775,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.990321165,
            "variance": 3.961378338
          },
          {
            "average": 63401194.91,
            "count": 2625775,
            "maximum": 63914693.14,
            "minimum": 63378191.47,
            "name": "GpsTime",
            "position": 12,
            "stddev": 107553.517,
            "variance": 11567759010.0
          },
          {
            "average": 0,
            "count": 2625775,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2625775,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2625775,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2625775,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2625775,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.802,
          2350205.915,
          -24.12656769,
          627999.802,
          2350998.435,
          -10.32656769
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.8019821756,
                2350205.9150506593,
                -24.12656769088308
              ],
              [
                626999.8019821756,
                2350998.435050659,
                -24.12656769088308
              ],
              [
                627999.8019821756,
                2350998.435050659,
                -10.32656769088308
              ],
              [
                627999.8019821756,
                2350205.9150506593,
                -10.32656769088308
              ],
              [
                626999.8019821756,
                2350205.9150506593,
                -24.12656769088308
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:51:33+00:00",
        "end_time": "2013-09-16T14:49:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2750.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2750.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2750.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2750.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7760385,
            21.24900837,
            -24.12656769,
            -157.7663431,
            21.25623768,
            -10.32656769
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77603851147794,
                  21.249078600917166,
                  -24.12656769088308
                ],
                [
                  -157.77597936363836,
                  21.256237679729264,
                  -24.12656769088308
                ],
                [
                  -157.7663430786163,
                  21.25616742790245,
                  -10.32656769088308
                ],
                [
                  -157.76640269182417,
                  21.249008374927975,
                  -10.32656769088308
                ],
                [
                  -157.77603851147794,
                  21.249078600917166,
                  -24.12656769088308
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2750.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2750.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:51:33Z",
            "pc:count": 2625775,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627417.3014,
                "count": 2625775,
                "maximum": 627999.802,
                "minimum": 626999.802,
                "name": "X",
                "position": 0,
                "stddev": 284.748479,
                "variance": 81081.69632
              },
              {
                "average": 2350743.856,
                "count": 2625775,
                "maximum": 2350998.435,
                "minimum": 2350205.915,
                "name": "Y",
                "position": 1,
                "stddev": 184.0614772,
                "variance": 33878.6274
              },
              {
                "average": -16.88215653,
                "count": 2625775,
                "maximum": -10.32656769,
                "minimum": -24.12656769,
                "name": "Z",
                "position": 2,
                "stddev": 1.552777543,
                "variance": 2.411118098
              },
              {
                "average": 177.5331531,
                "count": 2625775,
                "maximum": 1669,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 218.6954134,
                "variance": 47827.68384
              },
              {
                "average": 1.004739934,
                "count": 2625775,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06907087924,
                "variance": 0.00477078636
              },
              {
                "average": 1.007905476,
                "count": 2625775,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08929294082,
                "variance": 0.00797322928
              },
              {
                "average": 1,
                "count": 2625775,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2625775,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2625775,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.91232542,
                "count": 2625775,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.954954353,
                "variance": 35.46148134
              },
              {
                "average": 142.9224751,
                "count": 2625775,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 91.20843177,
                "variance": 8318.978025
              },
              {
                "average": 2.613119555,
                "count": 2625775,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.990321165,
                "variance": 3.961378338
              },
              {
                "average": 63401194.91,
                "count": 2625775,
                "maximum": 63914693.14,
                "minimum": 63378191.47,
                "name": "GpsTime",
                "position": 12,
                "stddev": 107553.517,
                "variance": 11567759010.0
              },
              {
                "average": 0,
                "count": 2625775,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2625775,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2625775,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2625775,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2625775,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.802,
              2350205.915,
              -24.12656769,
              627999.802,
              2350998.435,
              -10.32656769
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.8019821756,
                    2350205.9150506593,
                    -24.12656769088308
                  ],
                  [
                    626999.8019821756,
                    2350998.435050659,
                    -24.12656769088308
                  ],
                  [
                    627999.8019821756,
                    2350998.435050659,
                    -10.32656769088308
                  ],
                  [
                    627999.8019821756,
                    2350205.9150506593,
                    -10.32656769088308
                  ],
                  [
                    626999.8019821756,
                    2350205.9150506593,
                    -24.12656769088308
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:51:33+00:00",
            "end_time": "2013-09-16T14:49:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1886.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.86025784201934,
              21.573014940148585,
              -46.46597756686633
            ],
            [
              -157.860187171739,
              21.582048175850126,
              -46.46597756686633
            ],
            [
              -157.85052919351614,
              21.58198178840651,
              -5.005977566866331
            ],
            [
              -157.85060046193206,
              21.572948583406536,
              -5.005977566866331
            ],
            [
              -157.86025784201934,
              21.573014940148585,
              -46.46597756686633
            ]
          ]
        ]
      },
      "bbox": [
        -157.8602578,
        21.57294858,
        -46.46597757,
        -157.8505292,
        21.58204818,
        -5.005977567
      ],
      "properties": {
        "datetime": "2013-09-23T23:29:00Z",
        "pc:count": 1899577,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618284.1995,
            "count": 1899577,
            "maximum": 618999.8,
            "minimum": 617999.8,
            "name": "X",
            "position": 0,
            "stddev": 235.4322183,
            "variance": 55428.32943
          },
          {
            "average": 2386471.089,
            "count": 1899577,
            "maximum": 2386998.483,
            "minimum": 2385998.483,
            "name": "Y",
            "position": 1,
            "stddev": 251.112078,
            "variance": 63057.27574
          },
          {
            "average": -13.10617058,
            "count": 1899577,
            "maximum": -5.005977567,
            "minimum": -46.46597757,
            "name": "Z",
            "position": 2,
            "stddev": 7.847041471,
            "variance": 61.57605984
          },
          {
            "average": 100.1768183,
            "count": 1899577,
            "maximum": 7842,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 239.3768732,
            "variance": 57301.28743
          },
          {
            "average": 1.004859503,
            "count": 1899577,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07094948638,
            "variance": 0.005033829617
          },
          {
            "average": 1.007528518,
            "count": 1899577,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08872984666,
            "variance": 0.007872985688
          },
          {
            "average": 1,
            "count": 1899577,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1899577,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1899577,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.97843764,
            "count": 1899577,
            "maximum": 34.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.688644397,
            "variance": 44.73796387
          },
          {
            "average": 125.6874267,
            "count": 1899577,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 84.98005166,
            "variance": 7221.60918
          },
          {
            "average": 4.34074744,
            "count": 1899577,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.160553729,
            "variance": 4.667992415
          },
          {
            "average": 63843731.1,
            "count": 1899577,
            "maximum": 64014140.6,
            "minimum": 63830302.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 43745.08643,
            "variance": 1913632587
          },
          {
            "average": 0,
            "count": 1899577,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1899577,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1899577,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1899577,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1899577,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.8,
          2385998.483,
          -46.46597757,
          618999.8,
          2386998.483,
          -5.005977567
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.8000490068,
                2385998.482840796,
                -46.46597756686633
              ],
              [
                617999.8000490068,
                2386998.482840796,
                -46.46597756686633
              ],
              [
                618999.8000490068,
                2386998.482840796,
                -5.005977566866331
              ],
              [
                618999.8000490068,
                2385998.482840796,
                -5.005977566866331
              ],
              [
                617999.8000490068,
                2385998.482840796,
                -46.46597756686633
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:29:00+00:00",
        "end_time": "2013-09-21T20:25:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1886.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1886.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1886.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1886.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8602578,
            21.57294858,
            -46.46597757,
            -157.8505292,
            21.58204818,
            -5.005977567
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.86025784201934,
                  21.573014940148585,
                  -46.46597756686633
                ],
                [
                  -157.860187171739,
                  21.582048175850126,
                  -46.46597756686633
                ],
                [
                  -157.85052919351614,
                  21.58198178840651,
                  -5.005977566866331
                ],
                [
                  -157.85060046193206,
                  21.572948583406536,
                  -5.005977566866331
                ],
                [
                  -157.86025784201934,
                  21.573014940148585,
                  -46.46597756686633
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1886.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1886.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:29:00Z",
            "pc:count": 1899577,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618284.1995,
                "count": 1899577,
                "maximum": 618999.8,
                "minimum": 617999.8,
                "name": "X",
                "position": 0,
                "stddev": 235.4322183,
                "variance": 55428.32943
              },
              {
                "average": 2386471.089,
                "count": 1899577,
                "maximum": 2386998.483,
                "minimum": 2385998.483,
                "name": "Y",
                "position": 1,
                "stddev": 251.112078,
                "variance": 63057.27574
              },
              {
                "average": -13.10617058,
                "count": 1899577,
                "maximum": -5.005977567,
                "minimum": -46.46597757,
                "name": "Z",
                "position": 2,
                "stddev": 7.847041471,
                "variance": 61.57605984
              },
              {
                "average": 100.1768183,
                "count": 1899577,
                "maximum": 7842,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 239.3768732,
                "variance": 57301.28743
              },
              {
                "average": 1.004859503,
                "count": 1899577,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07094948638,
                "variance": 0.005033829617
              },
              {
                "average": 1.007528518,
                "count": 1899577,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08872984666,
                "variance": 0.007872985688
              },
              {
                "average": 1,
                "count": 1899577,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1899577,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1899577,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.97843764,
                "count": 1899577,
                "maximum": 34.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.688644397,
                "variance": 44.73796387
              },
              {
                "average": 125.6874267,
                "count": 1899577,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 84.98005166,
                "variance": 7221.60918
              },
              {
                "average": 4.34074744,
                "count": 1899577,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.160553729,
                "variance": 4.667992415
              },
              {
                "average": 63843731.1,
                "count": 1899577,
                "maximum": 64014140.6,
                "minimum": 63830302.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 43745.08643,
                "variance": 1913632587
              },
              {
                "average": 0,
                "count": 1899577,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1899577,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1899577,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1899577,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1899577,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.8,
              2385998.483,
              -46.46597757,
              618999.8,
              2386998.483,
              -5.005977567
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.8000490068,
                    2385998.482840796,
                    -46.46597756686633
                  ],
                  [
                    617999.8000490068,
                    2386998.482840796,
                    -46.46597756686633
                  ],
                  [
                    618999.8000490068,
                    2386998.482840796,
                    -5.005977566866331
                  ],
                  [
                    618999.8000490068,
                    2385998.482840796,
                    -5.005977566866331
                  ],
                  [
                    617999.8000490068,
                    2385998.482840796,
                    -46.46597756686633
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:29:00+00:00",
            "end_time": "2013-09-21T20:25:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2080.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84137348935582,
              21.518682453656893,
              -1.667890905717769
            ],
            [
              -157.84130186023862,
              21.527715684020578,
              -1.667890905717769
            ],
            [
              -157.83164734454334,
              21.527648363300052,
              193.27210909428223
            ],
            [
              -157.83171956909595,
              21.518615164337145,
              193.27210909428223
            ],
            [
              -157.84137348935582,
              21.518682453656893,
              -1.667890905717769
            ]
          ]
        ]
      },
      "bbox": [
        -157.8413735,
        21.51861516,
        -1.667890906,
        -157.8316473,
        21.52771568,
        193.2721091
      ],
      "properties": {
        "datetime": "2013-09-22T00:50:01Z",
        "pc:count": 7105588,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620507.7172,
            "count": 7105588,
            "maximum": 620999.8185,
            "minimum": 619999.7985,
            "name": "X",
            "position": 0,
            "stddev": 284.2565233,
            "variance": 80801.77105
          },
          {
            "average": 2380551.869,
            "count": 7105588,
            "maximum": 2380998.486,
            "minimum": 2379998.486,
            "name": "Y",
            "position": 1,
            "stddev": 278.1656947,
            "variance": 77376.15371
          },
          {
            "average": 18.35365289,
            "count": 7105588,
            "maximum": 193.2721091,
            "minimum": -1.667890906,
            "name": "Z",
            "position": 2,
            "stddev": 25.54726259,
            "variance": 652.662626
          },
          {
            "average": 13.60224643,
            "count": 7105588,
            "maximum": 8581,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.87522754,
            "variance": 833.7787655
          },
          {
            "average": 1.410871134,
            "count": 7105588,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8290193372,
            "variance": 0.6872730614
          },
          {
            "average": 1.82165262,
            "count": 7105588,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.261489789,
            "variance": 1.591356487
          },
          {
            "average": 1,
            "count": 7105588,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7105588,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.503629538,
            "count": 7105588,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.74098806,
            "variance": 162.3327766
          },
          {
            "average": 20.31582915,
            "count": 7105588,
            "maximum": 37.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.274354194,
            "variance": 10.72139539
          },
          {
            "average": 90.47844499,
            "count": 7105588,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.79724715,
            "variance": 4596.466721
          },
          {
            "average": 6.391745905,
            "count": 7105588,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.157631246,
            "variance": 4.655372593
          },
          {
            "average": 63816901.28,
            "count": 7105588,
            "maximum": 63846201.41,
            "minimum": 63592025.88,
            "name": "GpsTime",
            "position": 12,
            "stddev": 50429.35492,
            "variance": 2543119838
          },
          {
            "average": 0,
            "count": 7105588,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7105588,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7105588,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7105588,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7105588,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.7985,
          2379998.486,
          -1.667890906,
          620999.8185,
          2380998.486,
          193.2721091
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.7984629455,
                2379998.485525789,
                -1.667890905717769
              ],
              [
                619999.7984629455,
                2380998.485525789,
                -1.667890905717769
              ],
              [
                620999.8184629455,
                2380998.485525789,
                193.27210909428223
              ],
              [
                620999.8184629455,
                2379998.485525789,
                193.27210909428223
              ],
              [
                619999.7984629455,
                2379998.485525789,
                -1.667890905717769
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:50:01+00:00",
        "end_time": "2013-09-19T02:13:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2080.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2080.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2080.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2080.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8413735,
            21.51861516,
            -1.667890906,
            -157.8316473,
            21.52771568,
            193.2721091
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84137348935582,
                  21.518682453656893,
                  -1.667890905717769
                ],
                [
                  -157.84130186023862,
                  21.527715684020578,
                  -1.667890905717769
                ],
                [
                  -157.83164734454334,
                  21.527648363300052,
                  193.27210909428223
                ],
                [
                  -157.83171956909595,
                  21.518615164337145,
                  193.27210909428223
                ],
                [
                  -157.84137348935582,
                  21.518682453656893,
                  -1.667890905717769
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2080.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2080.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:50:01Z",
            "pc:count": 7105588,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620507.7172,
                "count": 7105588,
                "maximum": 620999.8185,
                "minimum": 619999.7985,
                "name": "X",
                "position": 0,
                "stddev": 284.2565233,
                "variance": 80801.77105
              },
              {
                "average": 2380551.869,
                "count": 7105588,
                "maximum": 2380998.486,
                "minimum": 2379998.486,
                "name": "Y",
                "position": 1,
                "stddev": 278.1656947,
                "variance": 77376.15371
              },
              {
                "average": 18.35365289,
                "count": 7105588,
                "maximum": 193.2721091,
                "minimum": -1.667890906,
                "name": "Z",
                "position": 2,
                "stddev": 25.54726259,
                "variance": 652.662626
              },
              {
                "average": 13.60224643,
                "count": 7105588,
                "maximum": 8581,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.87522754,
                "variance": 833.7787655
              },
              {
                "average": 1.410871134,
                "count": 7105588,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8290193372,
                "variance": 0.6872730614
              },
              {
                "average": 1.82165262,
                "count": 7105588,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.261489789,
                "variance": 1.591356487
              },
              {
                "average": 1,
                "count": 7105588,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7105588,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.503629538,
                "count": 7105588,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.74098806,
                "variance": 162.3327766
              },
              {
                "average": 20.31582915,
                "count": 7105588,
                "maximum": 37.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.274354194,
                "variance": 10.72139539
              },
              {
                "average": 90.47844499,
                "count": 7105588,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.79724715,
                "variance": 4596.466721
              },
              {
                "average": 6.391745905,
                "count": 7105588,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.157631246,
                "variance": 4.655372593
              },
              {
                "average": 63816901.28,
                "count": 7105588,
                "maximum": 63846201.41,
                "minimum": 63592025.88,
                "name": "GpsTime",
                "position": 12,
                "stddev": 50429.35492,
                "variance": 2543119838
              },
              {
                "average": 0,
                "count": 7105588,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7105588,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7105588,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7105588,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7105588,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.7985,
              2379998.486,
              -1.667890906,
              620999.8185,
              2380998.486,
              193.2721091
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.7984629455,
                    2379998.485525789,
                    -1.667890905717769
                  ],
                  [
                    619999.7984629455,
                    2380998.485525789,
                    -1.667890905717769
                  ],
                  [
                    620999.8184629455,
                    2380998.485525789,
                    193.27210909428223
                  ],
                  [
                    620999.8184629455,
                    2379998.485525789,
                    193.27210909428223
                  ],
                  [
                    619999.7984629455,
                    2379998.485525789,
                    -1.667890905717769
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:50:01+00:00",
            "end_time": "2013-09-19T02:13:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1980.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8447288365629,
              21.518705640431047,
              38.08910857802875
            ],
            [
              -157.8446906183721,
              21.5235398711893,
              38.08910857802875
            ],
            [
              -157.84133505651408,
              21.523516608131672,
              149.12910857802876
            ],
            [
              -157.84137338552546,
              21.5186823831653,
              149.12910857802876
            ],
            [
              -157.8447288365629,
              21.518705640431047,
              38.08910857802875
            ]
          ]
        ]
      },
      "bbox": [
        -157.8447288,
        21.51868238,
        38.08910858,
        -157.8413351,
        21.52353987,
        149.1291086
      ],
      "properties": {
        "datetime": "2013-09-21T20:05:38Z",
        "pc:count": 794075,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619873.0435,
            "count": 794075,
            "maximum": 619999.8093,
            "minimum": 619652.2293,
            "name": "X",
            "position": 0,
            "stddev": 92.80799979,
            "variance": 8613.324826
          },
          {
            "average": 2380177.967,
            "count": 794075,
            "maximum": 2380533.638,
            "minimum": 2379998.478,
            "name": "Y",
            "position": 1,
            "stddev": 138.5701068,
            "variance": 19201.67449
          },
          {
            "average": 88.82373144,
            "count": 794075,
            "maximum": 149.1291086,
            "minimum": 38.08910858,
            "name": "Z",
            "position": 2,
            "stddev": 23.27706034,
            "variance": 541.8215379
          },
          {
            "average": 8.859098952,
            "count": 794075,
            "maximum": 313,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.22847942,
            "variance": 263.3635444
          },
          {
            "average": 1.961384,
            "count": 794075,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.110682382,
            "variance": 1.233615354
          },
          {
            "average": 2.921278217,
            "count": 794075,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.467779298,
            "variance": 2.154376069
          },
          {
            "average": 1,
            "count": 794075,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 794075,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.10306835,
            "count": 794075,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3040483212,
            "variance": 0.09244538162
          },
          {
            "average": 19.22217204,
            "count": 794075,
            "maximum": 21,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.095140656,
            "variance": 1.199333056
          },
          {
            "average": 90.9754129,
            "count": 794075,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.39287991,
            "variance": 4541.800263
          },
          {
            "average": 8.842385165,
            "count": 794075,
            "maximum": 9,
            "minimum": 8,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3643797002,
            "variance": 0.1327725659
          },
          {
            "average": 63829061.35,
            "count": 794075,
            "maximum": 63829138.49,
            "minimum": 63828670.31,
            "name": "GpsTime",
            "position": 12,
            "stddev": 167.9264608,
            "variance": 28199.29623
          },
          {
            "average": 0,
            "count": 794075,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 794075,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 794075,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 794075,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 794075,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619652.2293,
          2379998.478,
          38.08910858,
          619999.8093,
          2380533.638,
          149.1291086
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619652.2292756862,
                2379998.477802417,
                38.08910857802875
              ],
              [
                619652.2292756862,
                2380533.637802417,
                38.08910857802875
              ],
              [
                619999.8092756863,
                2380533.637802417,
                149.12910857802876
              ],
              [
                619999.8092756863,
                2379998.477802417,
                149.12910857802876
              ],
              [
                619652.2292756862,
                2379998.477802417,
                38.08910857802875
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T20:05:38+00:00",
        "end_time": "2013-09-21T19:57:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1980.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1980.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1980.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1980.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8447288,
            21.51868238,
            38.08910858,
            -157.8413351,
            21.52353987,
            149.1291086
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8447288365629,
                  21.518705640431047,
                  38.08910857802875
                ],
                [
                  -157.8446906183721,
                  21.5235398711893,
                  38.08910857802875
                ],
                [
                  -157.84133505651408,
                  21.523516608131672,
                  149.12910857802876
                ],
                [
                  -157.84137338552546,
                  21.5186823831653,
                  149.12910857802876
                ],
                [
                  -157.8447288365629,
                  21.518705640431047,
                  38.08910857802875
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1980.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1980.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T20:05:38Z",
            "pc:count": 794075,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619873.0435,
                "count": 794075,
                "maximum": 619999.8093,
                "minimum": 619652.2293,
                "name": "X",
                "position": 0,
                "stddev": 92.80799979,
                "variance": 8613.324826
              },
              {
                "average": 2380177.967,
                "count": 794075,
                "maximum": 2380533.638,
                "minimum": 2379998.478,
                "name": "Y",
                "position": 1,
                "stddev": 138.5701068,
                "variance": 19201.67449
              },
              {
                "average": 88.82373144,
                "count": 794075,
                "maximum": 149.1291086,
                "minimum": 38.08910858,
                "name": "Z",
                "position": 2,
                "stddev": 23.27706034,
                "variance": 541.8215379
              },
              {
                "average": 8.859098952,
                "count": 794075,
                "maximum": 313,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.22847942,
                "variance": 263.3635444
              },
              {
                "average": 1.961384,
                "count": 794075,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.110682382,
                "variance": 1.233615354
              },
              {
                "average": 2.921278217,
                "count": 794075,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.467779298,
                "variance": 2.154376069
              },
              {
                "average": 1,
                "count": 794075,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 794075,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.10306835,
                "count": 794075,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3040483212,
                "variance": 0.09244538162
              },
              {
                "average": 19.22217204,
                "count": 794075,
                "maximum": 21,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.095140656,
                "variance": 1.199333056
              },
              {
                "average": 90.9754129,
                "count": 794075,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.39287991,
                "variance": 4541.800263
              },
              {
                "average": 8.842385165,
                "count": 794075,
                "maximum": 9,
                "minimum": 8,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3643797002,
                "variance": 0.1327725659
              },
              {
                "average": 63829061.35,
                "count": 794075,
                "maximum": 63829138.49,
                "minimum": 63828670.31,
                "name": "GpsTime",
                "position": 12,
                "stddev": 167.9264608,
                "variance": 28199.29623
              },
              {
                "average": 0,
                "count": 794075,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 794075,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 794075,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 794075,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 794075,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619652.2293,
              2379998.478,
              38.08910858,
              619999.8093,
              2380533.638,
              149.1291086
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619652.2292756862,
                    2379998.477802417,
                    38.08910857802875
                  ],
                  [
                    619652.2292756862,
                    2380533.637802417,
                    38.08910857802875
                  ],
                  [
                    619999.8092756863,
                    2380533.637802417,
                    149.12910857802876
                  ],
                  [
                    619999.8092756863,
                    2379998.477802417,
                    149.12910857802876
                  ],
                  [
                    619652.2292756862,
                    2379998.477802417,
                    38.08910857802875
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T20:05:38+00:00",
            "end_time": "2013-09-21T19:57:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2352.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81445265722155,
              21.26554648809237,
              3.661795431089018
            ],
            [
              -157.81438029963542,
              21.274580089008854,
              3.661795431089018
            ],
            [
              -157.80474268094457,
              21.274511981273367,
              147.78179543108902
            ],
            [
              -157.80481562612374,
              21.265478412708422,
              147.78179543108902
            ],
            [
              -157.81445265722155,
              21.26554648809237,
              3.661795431089018
            ]
          ]
        ]
      },
      "bbox": [
        -157.8144527,
        21.26547841,
        3.661795431,
        -157.8047427,
        21.27458009,
        147.7817954
      ],
      "properties": {
        "datetime": "2013-09-15T11:38:35Z",
        "pc:count": 4926604,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623377.1726,
            "count": 4926604,
            "maximum": 623999.7947,
            "minimum": 622999.7947,
            "name": "X",
            "position": 0,
            "stddev": 238.3972837,
            "variance": 56833.26487
          },
          {
            "average": 2352429.391,
            "count": 4926604,
            "maximum": 2352998.443,
            "minimum": 2351998.423,
            "name": "Y",
            "position": 1,
            "stddev": 301.7724638,
            "variance": 91066.61993
          },
          {
            "average": 34.91999048,
            "count": 4926604,
            "maximum": 147.7817954,
            "minimum": 3.661795431,
            "name": "Z",
            "position": 2,
            "stddev": 31.74948306,
            "variance": 1008.029675
          },
          {
            "average": 18.31853504,
            "count": 4926604,
            "maximum": 895,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.04820736,
            "variance": 1299.473254
          },
          {
            "average": 1.545458088,
            "count": 4926604,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8883721934,
            "variance": 0.789205154
          },
          {
            "average": 2.091652993,
            "count": 4926604,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.302235703,
            "variance": 1.695817826
          },
          {
            "average": 1,
            "count": 4926604,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4926604,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.199228109,
            "count": 4926604,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3994199571,
            "variance": 0.1595363021
          },
          {
            "average": 20.15930451,
            "count": 4926604,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.713953344,
            "variance": 7.365542756
          },
          {
            "average": 91.00710083,
            "count": 4926604,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.08280831,
            "variance": 4366.937554
          },
          {
            "average": 6.54507669,
            "count": 4926604,
            "maximum": 10,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.421789832,
            "variance": 2.021486325
          },
          {
            "average": 63279082.72,
            "count": 4926604,
            "maximum": 63280315.14,
            "minimum": 63278208.35,
            "name": "GpsTime",
            "position": 12,
            "stddev": 489.2456365,
            "variance": 239361.2928
          },
          {
            "average": 0,
            "count": 4926604,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4926604,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4926604,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4926604,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4926604,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.7947,
          2351998.423,
          3.661795431,
          623999.7947,
          2352998.443,
          147.7817954
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.7946669485,
                2351998.4234846244,
                3.661795431089018
              ],
              [
                622999.7946669485,
                2352998.443484624,
                3.661795431089018
              ],
              [
                623999.7946669485,
                2352998.443484624,
                147.78179543108902
              ],
              [
                623999.7946669485,
                2351998.4234846244,
                147.78179543108902
              ],
              [
                622999.7946669485,
                2351998.4234846244,
                3.661795431089018
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T11:38:35+00:00",
        "end_time": "2013-09-15T11:03:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2352.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2352.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2352.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2352.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8144527,
            21.26547841,
            3.661795431,
            -157.8047427,
            21.27458009,
            147.7817954
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81445265722155,
                  21.26554648809237,
                  3.661795431089018
                ],
                [
                  -157.81438029963542,
                  21.274580089008854,
                  3.661795431089018
                ],
                [
                  -157.80474268094457,
                  21.274511981273367,
                  147.78179543108902
                ],
                [
                  -157.80481562612374,
                  21.265478412708422,
                  147.78179543108902
                ],
                [
                  -157.81445265722155,
                  21.26554648809237,
                  3.661795431089018
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2352.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2352.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T11:38:35Z",
            "pc:count": 4926604,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623377.1726,
                "count": 4926604,
                "maximum": 623999.7947,
                "minimum": 622999.7947,
                "name": "X",
                "position": 0,
                "stddev": 238.3972837,
                "variance": 56833.26487
              },
              {
                "average": 2352429.391,
                "count": 4926604,
                "maximum": 2352998.443,
                "minimum": 2351998.423,
                "name": "Y",
                "position": 1,
                "stddev": 301.7724638,
                "variance": 91066.61993
              },
              {
                "average": 34.91999048,
                "count": 4926604,
                "maximum": 147.7817954,
                "minimum": 3.661795431,
                "name": "Z",
                "position": 2,
                "stddev": 31.74948306,
                "variance": 1008.029675
              },
              {
                "average": 18.31853504,
                "count": 4926604,
                "maximum": 895,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.04820736,
                "variance": 1299.473254
              },
              {
                "average": 1.545458088,
                "count": 4926604,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8883721934,
                "variance": 0.789205154
              },
              {
                "average": 2.091652993,
                "count": 4926604,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.302235703,
                "variance": 1.695817826
              },
              {
                "average": 1,
                "count": 4926604,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4926604,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.199228109,
                "count": 4926604,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3994199571,
                "variance": 0.1595363021
              },
              {
                "average": 20.15930451,
                "count": 4926604,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.713953344,
                "variance": 7.365542756
              },
              {
                "average": 91.00710083,
                "count": 4926604,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.08280831,
                "variance": 4366.937554
              },
              {
                "average": 6.54507669,
                "count": 4926604,
                "maximum": 10,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.421789832,
                "variance": 2.021486325
              },
              {
                "average": 63279082.72,
                "count": 4926604,
                "maximum": 63280315.14,
                "minimum": 63278208.35,
                "name": "GpsTime",
                "position": 12,
                "stddev": 489.2456365,
                "variance": 239361.2928
              },
              {
                "average": 0,
                "count": 4926604,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4926604,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4926604,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4926604,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4926604,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.7947,
              2351998.423,
              3.661795431,
              623999.7947,
              2352998.443,
              147.7817954
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.7946669485,
                    2351998.4234846244,
                    3.661795431089018
                  ],
                  [
                    622999.7946669485,
                    2352998.443484624,
                    3.661795431089018
                  ],
                  [
                    623999.7946669485,
                    2352998.443484624,
                    147.78179543108902
                  ],
                  [
                    623999.7946669485,
                    2351998.4234846244,
                    147.78179543108902
                  ],
                  [
                    622999.7946669485,
                    2351998.4234846244,
                    3.661795431089018
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T11:38:35+00:00",
            "end_time": "2013-09-15T11:03:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1887.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8601871117845,
              21.582048276276293,
              -50.52425270289065
            ],
            [
              -157.86011740229503,
              21.590955034722118,
              -50.52425270289065
            ],
            [
              -157.85232158244239,
              21.590901469960194,
              -14.564252702890652
            ],
            [
              -157.8523917684173,
              21.581994735877167,
              -14.564252702890652
            ],
            [
              -157.8601871117845,
              21.582048276276293,
              -50.52425270289065
            ]
          ]
        ]
      },
      "bbox": [
        -157.8601871,
        21.58199474,
        -50.5242527,
        -157.8523216,
        21.59095503,
        -14.5642527
      ],
      "properties": {
        "datetime": "2013-09-23T23:11:21Z",
        "pc:count": 173851,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 618201.4104,
            "count": 173851,
            "maximum": 618806.9462,
            "minimum": 617999.8062,
            "name": "X",
            "position": 0,
            "stddev": 145.7578324,
            "variance": 21245.3457
          },
          {
            "average": 2387271.107,
            "count": 173851,
            "maximum": 2387984.494,
            "minimum": 2386998.494,
            "name": "Y",
            "position": 1,
            "stddev": 187.8318926,
            "variance": 35280.8199
          },
          {
            "average": -33.32700213,
            "count": 173851,
            "maximum": -14.5642527,
            "minimum": -50.5242527,
            "name": "Z",
            "position": 2,
            "stddev": 3.52318234,
            "variance": 12.4128138
          },
          {
            "average": 954.2407176,
            "count": 173851,
            "maximum": 4313,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 277.128699,
            "variance": 76800.31578
          },
          {
            "average": 1.001725616,
            "count": 173851,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04164315001,
            "variance": 0.001734151943
          },
          {
            "average": 1.001875169,
            "count": 173851,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04352782804,
            "variance": 0.001894671814
          },
          {
            "average": 1,
            "count": 173851,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 173851,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 173851,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.51785032,
            "count": 173851,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.45448943,
            "variance": 71.47839151
          },
          {
            "average": 248.8705271,
            "count": 173851,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 4.581160037,
            "variance": 20.98702729
          },
          {
            "average": 1.846224641,
            "count": 173851,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9889204147,
            "variance": 0.9779635867
          },
          {
            "average": 63830750.03,
            "count": 173851,
            "maximum": 64013081.2,
            "minimum": 63830316.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1239.614063,
            "variance": 1536643.025
          },
          {
            "average": 0,
            "count": 173851,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 173851,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 173851,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 173851,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 173851,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          617999.8062,
          2386998.494,
          -50.5242527,
          618806.9462,
          2387984.494,
          -14.5642527
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                617999.8061750717,
                2386998.4940030444,
                -50.52425270289065
              ],
              [
                617999.8061750717,
                2387984.4940030444,
                -50.52425270289065
              ],
              [
                618806.9461750716,
                2387984.4940030444,
                -14.564252702890652
              ],
              [
                618806.9461750716,
                2386998.4940030444,
                -14.564252702890652
              ],
              [
                617999.8061750717,
                2386998.4940030444,
                -50.52425270289065
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:11:21+00:00",
        "end_time": "2013-09-21T20:25:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1887.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1887.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1887.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1887.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8601871,
            21.58199474,
            -50.5242527,
            -157.8523216,
            21.59095503,
            -14.5642527
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8601871117845,
                  21.582048276276293,
                  -50.52425270289065
                ],
                [
                  -157.86011740229503,
                  21.590955034722118,
                  -50.52425270289065
                ],
                [
                  -157.85232158244239,
                  21.590901469960194,
                  -14.564252702890652
                ],
                [
                  -157.8523917684173,
                  21.581994735877167,
                  -14.564252702890652
                ],
                [
                  -157.8601871117845,
                  21.582048276276293,
                  -50.52425270289065
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1887.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1887.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:11:21Z",
            "pc:count": 173851,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 618201.4104,
                "count": 173851,
                "maximum": 618806.9462,
                "minimum": 617999.8062,
                "name": "X",
                "position": 0,
                "stddev": 145.7578324,
                "variance": 21245.3457
              },
              {
                "average": 2387271.107,
                "count": 173851,
                "maximum": 2387984.494,
                "minimum": 2386998.494,
                "name": "Y",
                "position": 1,
                "stddev": 187.8318926,
                "variance": 35280.8199
              },
              {
                "average": -33.32700213,
                "count": 173851,
                "maximum": -14.5642527,
                "minimum": -50.5242527,
                "name": "Z",
                "position": 2,
                "stddev": 3.52318234,
                "variance": 12.4128138
              },
              {
                "average": 954.2407176,
                "count": 173851,
                "maximum": 4313,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 277.128699,
                "variance": 76800.31578
              },
              {
                "average": 1.001725616,
                "count": 173851,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04164315001,
                "variance": 0.001734151943
              },
              {
                "average": 1.001875169,
                "count": 173851,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04352782804,
                "variance": 0.001894671814
              },
              {
                "average": 1,
                "count": 173851,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 173851,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 173851,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.51785032,
                "count": 173851,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.45448943,
                "variance": 71.47839151
              },
              {
                "average": 248.8705271,
                "count": 173851,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 4.581160037,
                "variance": 20.98702729
              },
              {
                "average": 1.846224641,
                "count": 173851,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9889204147,
                "variance": 0.9779635867
              },
              {
                "average": 63830750.03,
                "count": 173851,
                "maximum": 64013081.2,
                "minimum": 63830316.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1239.614063,
                "variance": 1536643.025
              },
              {
                "average": 0,
                "count": 173851,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 173851,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 173851,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 173851,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 173851,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              617999.8062,
              2386998.494,
              -50.5242527,
              618806.9462,
              2387984.494,
              -14.5642527
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    617999.8061750717,
                    2386998.4940030444,
                    -50.52425270289065
                  ],
                  [
                    617999.8061750717,
                    2387984.4940030444,
                    -50.52425270289065
                  ],
                  [
                    618806.9461750716,
                    2387984.4940030444,
                    -14.564252702890652
                  ],
                  [
                    618806.9461750716,
                    2386998.4940030444,
                    -14.564252702890652
                  ],
                  [
                    617999.8061750717,
                    2386998.4940030444,
                    -50.52425270289065
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:11:21+00:00",
            "end_time": "2013-09-21T20:25:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1981.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8461858814666,
              21.532539766004906,
              1.915387831387292
            ],
            [
              -157.84615235384422,
              21.536783037459887,
              1.915387831387292
            ],
            [
              -157.8412300691412,
              21.53674891567877,
              227.8753878313873
            ],
            [
              -157.84126373956792,
              21.53250565167247,
              227.8753878313873
            ],
            [
              -157.8461858814666,
              21.532539766004906,
              1.915387831387292
            ]
          ]
        ]
      },
      "bbox": [
        -157.8461859,
        21.53250565,
        1.915387831,
        -157.8412301,
        21.53678304,
        227.8753878
      ],
      "properties": {
        "datetime": "2013-09-22T01:05:08Z",
        "pc:count": 863930,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619809.995,
            "count": 863930,
            "maximum": 619999.8111,
            "minimum": 619489.9911,
            "name": "X",
            "position": 0,
            "stddev": 114.9946248,
            "variance": 13223.76373
          },
          {
            "average": 2381803.543,
            "count": 863930,
            "maximum": 2381998.487,
            "minimum": 2381528.747,
            "name": "Y",
            "position": 1,
            "stddev": 120.8370907,
            "variance": 14601.60249
          },
          {
            "average": 46.60455559,
            "count": 863930,
            "maximum": 227.8753878,
            "minimum": 1.915387831,
            "name": "Z",
            "position": 2,
            "stddev": 49.53438172,
            "variance": 2453.654973
          },
          {
            "average": 20.90146308,
            "count": 863930,
            "maximum": 274,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.12418198,
            "variance": 631.2245204
          },
          {
            "average": 1.260669267,
            "count": 863930,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6178558213,
            "variance": 0.381745816
          },
          {
            "average": 1.521293392,
            "count": 863930,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.917994379,
            "variance": 0.8427136799
          },
          {
            "average": 1,
            "count": 863930,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 863930,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.256643478,
            "count": 863930,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4367812084,
            "variance": 0.1907778241
          },
          {
            "average": 20.1062952,
            "count": 863930,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.882899504,
            "variance": 8.311109549
          },
          {
            "average": 91.2183082,
            "count": 863930,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.2984649,
            "variance": 4263.889518
          },
          {
            "average": 4.67338789,
            "count": 863930,
            "maximum": 5,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4941078697,
            "variance": 0.2441425869
          },
          {
            "average": 63846820.65,
            "count": 863930,
            "maximum": 63847108.06,
            "minimum": 63845973.69,
            "name": "GpsTime",
            "position": 12,
            "stddev": 417.7687816,
            "variance": 174530.7549
          },
          {
            "average": 0,
            "count": 863930,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 863930,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 863930,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 863930,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 863930,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619489.9911,
          2381528.747,
          1.915387831,
          619999.8111,
          2381998.487,
          227.8753878
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619489.9911323265,
                2381528.7468033014,
                1.915387831387292
              ],
              [
                619489.9911323265,
                2381998.4868033016,
                1.915387831387292
              ],
              [
                619999.8111323266,
                2381998.4868033016,
                227.8753878313873
              ],
              [
                619999.8111323266,
                2381528.7468033014,
                227.8753878313873
              ],
              [
                619489.9911323265,
                2381528.7468033014,
                1.915387831387292
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:05:08+00:00",
        "end_time": "2013-09-22T00:46:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1981.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1981.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1981.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1981.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8461859,
            21.53250565,
            1.915387831,
            -157.8412301,
            21.53678304,
            227.8753878
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8461858814666,
                  21.532539766004906,
                  1.915387831387292
                ],
                [
                  -157.84615235384422,
                  21.536783037459887,
                  1.915387831387292
                ],
                [
                  -157.8412300691412,
                  21.53674891567877,
                  227.8753878313873
                ],
                [
                  -157.84126373956792,
                  21.53250565167247,
                  227.8753878313873
                ],
                [
                  -157.8461858814666,
                  21.532539766004906,
                  1.915387831387292
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1981.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1981.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:05:08Z",
            "pc:count": 863930,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619809.995,
                "count": 863930,
                "maximum": 619999.8111,
                "minimum": 619489.9911,
                "name": "X",
                "position": 0,
                "stddev": 114.9946248,
                "variance": 13223.76373
              },
              {
                "average": 2381803.543,
                "count": 863930,
                "maximum": 2381998.487,
                "minimum": 2381528.747,
                "name": "Y",
                "position": 1,
                "stddev": 120.8370907,
                "variance": 14601.60249
              },
              {
                "average": 46.60455559,
                "count": 863930,
                "maximum": 227.8753878,
                "minimum": 1.915387831,
                "name": "Z",
                "position": 2,
                "stddev": 49.53438172,
                "variance": 2453.654973
              },
              {
                "average": 20.90146308,
                "count": 863930,
                "maximum": 274,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.12418198,
                "variance": 631.2245204
              },
              {
                "average": 1.260669267,
                "count": 863930,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6178558213,
                "variance": 0.381745816
              },
              {
                "average": 1.521293392,
                "count": 863930,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.917994379,
                "variance": 0.8427136799
              },
              {
                "average": 1,
                "count": 863930,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 863930,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.256643478,
                "count": 863930,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4367812084,
                "variance": 0.1907778241
              },
              {
                "average": 20.1062952,
                "count": 863930,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.882899504,
                "variance": 8.311109549
              },
              {
                "average": 91.2183082,
                "count": 863930,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.2984649,
                "variance": 4263.889518
              },
              {
                "average": 4.67338789,
                "count": 863930,
                "maximum": 5,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4941078697,
                "variance": 0.2441425869
              },
              {
                "average": 63846820.65,
                "count": 863930,
                "maximum": 63847108.06,
                "minimum": 63845973.69,
                "name": "GpsTime",
                "position": 12,
                "stddev": 417.7687816,
                "variance": 174530.7549
              },
              {
                "average": 0,
                "count": 863930,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 863930,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 863930,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 863930,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 863930,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619489.9911,
              2381528.747,
              1.915387831,
              619999.8111,
              2381998.487,
              227.8753878
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619489.9911323265,
                    2381528.7468033014,
                    1.915387831387292
                  ],
                  [
                    619489.9911323265,
                    2381998.4868033016,
                    1.915387831387292
                  ],
                  [
                    619999.8111323266,
                    2381998.4868033016,
                    227.8753878313873
                  ],
                  [
                    619999.8111323266,
                    2381528.7468033014,
                    227.8753878313873
                  ],
                  [
                    619489.9911323265,
                    2381528.7468033014,
                    1.915387831387292
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:05:08+00:00",
            "end_time": "2013-09-22T00:46:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj1952.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85299682220005,
              21.266407963433718,
              -52.65137520584038
            ],
            [
              -157.85293142293844,
              21.27484692328827,
              -52.65137520584038
            ],
            [
              -157.8432934581881,
              21.274781021522777,
              -12.471375205840378
            ],
            [
              -157.84335940714374,
              21.266342090311483,
              -12.471375205840378
            ],
            [
              -157.85299682220005,
              21.266407963433718,
              -52.65137520584038
            ]
          ]
        ]
      },
      "bbox": [
        -157.8529968,
        21.26634209,
        -52.65137521,
        -157.8432935,
        21.27484692,
        -12.47137521
      ],
      "properties": {
        "datetime": "2013-09-17T12:50:20Z",
        "pc:count": 670368,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619569.7478,
            "count": 670368,
            "maximum": 619999.7871,
            "minimum": 618999.7671,
            "name": "X",
            "position": 0,
            "stddev": 271.3001794,
            "variance": 73603.78733
          },
          {
            "average": 2352669.097,
            "count": 670368,
            "maximum": 2352998.435,
            "minimum": 2352064.255,
            "name": "Y",
            "position": 1,
            "stddev": 208.1000286,
            "variance": 43305.6219
          },
          {
            "average": -25.56508028,
            "count": 670368,
            "maximum": -12.47137521,
            "minimum": -52.65137521,
            "name": "Z",
            "position": 2,
            "stddev": 8.235695896,
            "variance": 67.82668688
          },
          {
            "average": 508.4410771,
            "count": 670368,
            "maximum": 3526,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 449.8494704,
            "variance": 202364.546
          },
          {
            "average": 1.006544167,
            "count": 670368,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08068643434,
            "variance": 0.006510300687
          },
          {
            "average": 1.006700797,
            "count": 670368,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08167511018,
            "variance": 0.006670823622
          },
          {
            "average": 1,
            "count": 670368,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 670368,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 670368,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.446071227,
            "count": 670368,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.100711188,
            "variance": 65.62152175
          },
          {
            "average": 233.6573688,
            "count": 670368,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 50.00891916,
            "variance": 2500.891996
          },
          {
            "average": 12.17803057,
            "count": 670368,
            "maximum": 18,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.771446694,
            "variance": 22.76670356
          },
          {
            "average": 63339845.28,
            "count": 670368,
            "maximum": 63457420.55,
            "minimum": 63281557.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 82026.90652,
            "variance": 6728413393
          },
          {
            "average": 0,
            "count": 670368,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 670368,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 670368,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 670368,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 670368,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.7671,
          2352064.255,
          -52.65137521,
          619999.7871,
          2352998.435,
          -12.47137521
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.7671281467,
                2352064.2545766477,
                -52.65137520584038
              ],
              [
                618999.7671281467,
                2352998.4345766474,
                -52.65137520584038
              ],
              [
                619999.7871281467,
                2352998.4345766474,
                -12.471375205840378
              ],
              [
                619999.7871281467,
                2352064.2545766477,
                -12.471375205840378
              ],
              [
                618999.7671281467,
                2352064.2545766477,
                -52.65137520584038
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:50:20+00:00",
        "end_time": "2013-09-15T11:59:17+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj1952.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj1952.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj1952.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1952.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8529968,
            21.26634209,
            -52.65137521,
            -157.8432935,
            21.27484692,
            -12.47137521
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85299682220005,
                  21.266407963433718,
                  -52.65137520584038
                ],
                [
                  -157.85293142293844,
                  21.27484692328827,
                  -52.65137520584038
                ],
                [
                  -157.8432934581881,
                  21.274781021522777,
                  -12.471375205840378
                ],
                [
                  -157.84335940714374,
                  21.266342090311483,
                  -12.471375205840378
                ],
                [
                  -157.85299682220005,
                  21.266407963433718,
                  -52.65137520584038
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj1952.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj1952.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:50:20Z",
            "pc:count": 670368,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619569.7478,
                "count": 670368,
                "maximum": 619999.7871,
                "minimum": 618999.7671,
                "name": "X",
                "position": 0,
                "stddev": 271.3001794,
                "variance": 73603.78733
              },
              {
                "average": 2352669.097,
                "count": 670368,
                "maximum": 2352998.435,
                "minimum": 2352064.255,
                "name": "Y",
                "position": 1,
                "stddev": 208.1000286,
                "variance": 43305.6219
              },
              {
                "average": -25.56508028,
                "count": 670368,
                "maximum": -12.47137521,
                "minimum": -52.65137521,
                "name": "Z",
                "position": 2,
                "stddev": 8.235695896,
                "variance": 67.82668688
              },
              {
                "average": 508.4410771,
                "count": 670368,
                "maximum": 3526,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 449.8494704,
                "variance": 202364.546
              },
              {
                "average": 1.006544167,
                "count": 670368,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08068643434,
                "variance": 0.006510300687
              },
              {
                "average": 1.006700797,
                "count": 670368,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08167511018,
                "variance": 0.006670823622
              },
              {
                "average": 1,
                "count": 670368,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 670368,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 670368,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.446071227,
                "count": 670368,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.100711188,
                "variance": 65.62152175
              },
              {
                "average": 233.6573688,
                "count": 670368,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 50.00891916,
                "variance": 2500.891996
              },
              {
                "average": 12.17803057,
                "count": 670368,
                "maximum": 18,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.771446694,
                "variance": 22.76670356
              },
              {
                "average": 63339845.28,
                "count": 670368,
                "maximum": 63457420.55,
                "minimum": 63281557.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 82026.90652,
                "variance": 6728413393
              },
              {
                "average": 0,
                "count": 670368,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 670368,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 670368,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 670368,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 670368,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.7671,
              2352064.255,
              -52.65137521,
              619999.7871,
              2352998.435,
              -12.47137521
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.7671281467,
                    2352064.2545766477,
                    -52.65137520584038
                  ],
                  [
                    618999.7671281467,
                    2352998.4345766474,
                    -52.65137520584038
                  ],
                  [
                    619999.7871281467,
                    2352998.4345766474,
                    -12.471375205840378
                  ],
                  [
                    619999.7871281467,
                    2352064.2545766477,
                    -12.471375205840378
                  ],
                  [
                    618999.7671281467,
                    2352064.2545766477,
                    -52.65137520584038
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:50:20+00:00",
            "end_time": "2013-09-15T11:59:17+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2574.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.79355188501043,
              21.46414159267078,
              -8.092217016133743
            ],
            [
              -157.79347750742593,
              21.47317490496619,
              -8.092217016133743
            ],
            [
              -157.78382678327938,
              21.4731049800145,
              0.307782983866257
            ],
            [
              -157.78390175947922,
              21.46407169947036,
              0.307782983866257
            ],
            [
              -157.79355188501043,
              21.46414159267078,
              -8.092217016133743
            ]
          ]
        ]
      },
      "bbox": [
        -157.7935519,
        21.4640717,
        -8.092217016,
        -157.7838268,
        21.4731749,
        0.3077829839
      ],
      "properties": {
        "datetime": "2013-09-19T20:10:26Z",
        "pc:count": 4387580,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625531.8752,
            "count": 4387580,
            "maximum": 625999.8376,
            "minimum": 624999.8176,
            "name": "X",
            "position": 0,
            "stddev": 289.3361332,
            "variance": 83715.398
          },
          {
            "average": 2374525.302,
            "count": 4387580,
            "maximum": 2374998.484,
            "minimum": 2373998.464,
            "name": "Y",
            "position": 1,
            "stddev": 291.6376454,
            "variance": 85052.51621
          },
          {
            "average": -3.304654597,
            "count": 4387580,
            "maximum": 0.3077829839,
            "minimum": -8.092217016,
            "name": "Z",
            "position": 2,
            "stddev": 1.573688085,
            "variance": 2.47649419
          },
          {
            "average": 6.567739847,
            "count": 4387580,
            "maximum": 8722,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 17.70075473,
            "variance": 313.3167179
          },
          {
            "average": 1.061142361,
            "count": 4387580,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2441977674,
            "variance": 0.05963254958
          },
          {
            "average": 1.118512483,
            "count": 4387580,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3323821628,
            "variance": 0.1104779022
          },
          {
            "average": 1,
            "count": 4387580,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4387580,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4387580,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.94655212,
            "count": 4387580,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.153933386,
            "variance": 4.639429032
          },
          {
            "average": 90.32490918,
            "count": 4387580,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 67.36330528,
            "variance": 4537.814898
          },
          {
            "average": 5.800356233,
            "count": 4387580,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.088263223,
            "variance": 4.36084329
          },
          {
            "average": 63607489.2,
            "count": 4387580,
            "maximum": 63656626.33,
            "minimum": 63591921.19,
            "name": "GpsTime",
            "position": 12,
            "stddev": 25297.68172,
            "variance": 639972700.4
          },
          {
            "average": 0,
            "count": 4387580,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4387580,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4387580,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4387580,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4387580,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.8176,
          2373998.464,
          -8.092217016,
          625999.8376,
          2374998.484,
          0.3077829839
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.8175867334,
                2373998.4637476844,
                -8.092217016133743
              ],
              [
                624999.8175867334,
                2374998.483747684,
                -8.092217016133743
              ],
              [
                625999.8375867334,
                2374998.483747684,
                0.307782983866257
              ],
              [
                625999.8375867334,
                2373998.4637476844,
                0.307782983866257
              ],
              [
                624999.8175867334,
                2373998.4637476844,
                -8.092217016133743
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:10:26+00:00",
        "end_time": "2013-09-19T02:12:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2574.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2574.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2574.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2574.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7935519,
            21.4640717,
            -8.092217016,
            -157.7838268,
            21.4731749,
            0.3077829839
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.79355188501043,
                  21.46414159267078,
                  -8.092217016133743
                ],
                [
                  -157.79347750742593,
                  21.47317490496619,
                  -8.092217016133743
                ],
                [
                  -157.78382678327938,
                  21.4731049800145,
                  0.307782983866257
                ],
                [
                  -157.78390175947922,
                  21.46407169947036,
                  0.307782983866257
                ],
                [
                  -157.79355188501043,
                  21.46414159267078,
                  -8.092217016133743
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2574.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2574.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:10:26Z",
            "pc:count": 4387580,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625531.8752,
                "count": 4387580,
                "maximum": 625999.8376,
                "minimum": 624999.8176,
                "name": "X",
                "position": 0,
                "stddev": 289.3361332,
                "variance": 83715.398
              },
              {
                "average": 2374525.302,
                "count": 4387580,
                "maximum": 2374998.484,
                "minimum": 2373998.464,
                "name": "Y",
                "position": 1,
                "stddev": 291.6376454,
                "variance": 85052.51621
              },
              {
                "average": -3.304654597,
                "count": 4387580,
                "maximum": 0.3077829839,
                "minimum": -8.092217016,
                "name": "Z",
                "position": 2,
                "stddev": 1.573688085,
                "variance": 2.47649419
              },
              {
                "average": 6.567739847,
                "count": 4387580,
                "maximum": 8722,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 17.70075473,
                "variance": 313.3167179
              },
              {
                "average": 1.061142361,
                "count": 4387580,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2441977674,
                "variance": 0.05963254958
              },
              {
                "average": 1.118512483,
                "count": 4387580,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3323821628,
                "variance": 0.1104779022
              },
              {
                "average": 1,
                "count": 4387580,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4387580,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4387580,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.94655212,
                "count": 4387580,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.153933386,
                "variance": 4.639429032
              },
              {
                "average": 90.32490918,
                "count": 4387580,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 67.36330528,
                "variance": 4537.814898
              },
              {
                "average": 5.800356233,
                "count": 4387580,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.088263223,
                "variance": 4.36084329
              },
              {
                "average": 63607489.2,
                "count": 4387580,
                "maximum": 63656626.33,
                "minimum": 63591921.19,
                "name": "GpsTime",
                "position": 12,
                "stddev": 25297.68172,
                "variance": 639972700.4
              },
              {
                "average": 0,
                "count": 4387580,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4387580,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4387580,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4387580,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4387580,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.8176,
              2373998.464,
              -8.092217016,
              625999.8376,
              2374998.484,
              0.3077829839
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.8175867334,
                    2373998.4637476844,
                    -8.092217016133743
                  ],
                  [
                    624999.8175867334,
                    2374998.483747684,
                    -8.092217016133743
                  ],
                  [
                    625999.8375867334,
                    2374998.483747684,
                    0.307782983866257
                  ],
                  [
                    625999.8375867334,
                    2373998.4637476844,
                    0.307782983866257
                  ],
                  [
                    624999.8175867334,
                    2373998.4637476844,
                    -8.092217016133743
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:10:26+00:00",
            "end_time": "2013-09-19T02:12:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2474.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.80320181390962,
              21.464210927975806,
              -5.806260506269513
            ],
            [
              -157.8031280337736,
              21.47324427193794,
              -5.806260506269513
            ],
            [
              -157.79347745508926,
              21.473174907306504,
              0.353739493730488
            ],
            [
              -157.793551832677,
              21.464141595011274,
              0.353739493730488
            ],
            [
              -157.80320181390962,
              21.464210927975806,
              -5.806260506269513
            ]
          ]
        ]
      },
      "bbox": [
        -157.8032018,
        21.4641416,
        -5.806260506,
        -157.7934775,
        21.47324427,
        0.3537394937
      ],
      "properties": {
        "datetime": "2013-09-19T20:56:51Z",
        "pc:count": 3488075,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624518.1758,
            "count": 3488075,
            "maximum": 624999.823,
            "minimum": 623999.823,
            "name": "X",
            "position": 0,
            "stddev": 290.340392,
            "variance": 84297.54322
          },
          {
            "average": 2374509.491,
            "count": 3488075,
            "maximum": 2374998.484,
            "minimum": 2373998.464,
            "name": "Y",
            "position": 1,
            "stddev": 292.3766117,
            "variance": 85484.08305
          },
          {
            "average": -0.8349641379,
            "count": 3488075,
            "maximum": 0.3537394937,
            "minimum": -5.806260506,
            "name": "Z",
            "position": 2,
            "stddev": 0.8016867581,
            "variance": 0.642701658
          },
          {
            "average": 3.529782186,
            "count": 3488075,
            "maximum": 8602,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.46221121,
            "variance": 460.6265099
          },
          {
            "average": 1.002650746,
            "count": 3488075,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05176166308,
            "variance": 0.002679269765
          },
          {
            "average": 1.003471256,
            "count": 3488075,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05945979197,
            "variance": 0.003535466861
          },
          {
            "average": 1,
            "count": 3488075,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3488075,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3488075,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.15323299,
            "count": 3488075,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.304349905,
            "variance": 5.310028484
          },
          {
            "average": 89.04075342,
            "count": 3488075,
            "maximum": 250,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 69.88028954,
            "variance": 4883.254866
          },
          {
            "average": 6.177905578,
            "count": 3488075,
            "maximum": 10,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.440861289,
            "variance": 2.076081256
          },
          {
            "average": 63652887.34,
            "count": 3488075,
            "maximum": 63659411.16,
            "minimum": 63594379.05,
            "name": "GpsTime",
            "position": 12,
            "stddev": 14583.30894,
            "variance": 212672899.5
          },
          {
            "average": 0,
            "count": 3488075,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3488075,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3488075,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3488075,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3488075,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.823,
          2373998.464,
          -5.806260506,
          624999.823,
          2374998.484,
          0.3537394937
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.8230075921,
                2373998.46404856,
                -5.806260506269513
              ],
              [
                623999.8230075921,
                2374998.4840485593,
                -5.806260506269513
              ],
              [
                624999.8230075921,
                2374998.4840485593,
                0.353739493730488
              ],
              [
                624999.8230075921,
                2373998.46404856,
                0.353739493730488
              ],
              [
                623999.8230075921,
                2373998.46404856,
                -5.806260506269513
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:56:51+00:00",
        "end_time": "2013-09-19T02:52:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2474.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2474.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2474.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2474.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8032018,
            21.4641416,
            -5.806260506,
            -157.7934775,
            21.47324427,
            0.3537394937
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.80320181390962,
                  21.464210927975806,
                  -5.806260506269513
                ],
                [
                  -157.8031280337736,
                  21.47324427193794,
                  -5.806260506269513
                ],
                [
                  -157.79347745508926,
                  21.473174907306504,
                  0.353739493730488
                ],
                [
                  -157.793551832677,
                  21.464141595011274,
                  0.353739493730488
                ],
                [
                  -157.80320181390962,
                  21.464210927975806,
                  -5.806260506269513
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2474.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2474.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:56:51Z",
            "pc:count": 3488075,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624518.1758,
                "count": 3488075,
                "maximum": 624999.823,
                "minimum": 623999.823,
                "name": "X",
                "position": 0,
                "stddev": 290.340392,
                "variance": 84297.54322
              },
              {
                "average": 2374509.491,
                "count": 3488075,
                "maximum": 2374998.484,
                "minimum": 2373998.464,
                "name": "Y",
                "position": 1,
                "stddev": 292.3766117,
                "variance": 85484.08305
              },
              {
                "average": -0.8349641379,
                "count": 3488075,
                "maximum": 0.3537394937,
                "minimum": -5.806260506,
                "name": "Z",
                "position": 2,
                "stddev": 0.8016867581,
                "variance": 0.642701658
              },
              {
                "average": 3.529782186,
                "count": 3488075,
                "maximum": 8602,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.46221121,
                "variance": 460.6265099
              },
              {
                "average": 1.002650746,
                "count": 3488075,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05176166308,
                "variance": 0.002679269765
              },
              {
                "average": 1.003471256,
                "count": 3488075,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05945979197,
                "variance": 0.003535466861
              },
              {
                "average": 1,
                "count": 3488075,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3488075,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3488075,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.15323299,
                "count": 3488075,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.304349905,
                "variance": 5.310028484
              },
              {
                "average": 89.04075342,
                "count": 3488075,
                "maximum": 250,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 69.88028954,
                "variance": 4883.254866
              },
              {
                "average": 6.177905578,
                "count": 3488075,
                "maximum": 10,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.440861289,
                "variance": 2.076081256
              },
              {
                "average": 63652887.34,
                "count": 3488075,
                "maximum": 63659411.16,
                "minimum": 63594379.05,
                "name": "GpsTime",
                "position": 12,
                "stddev": 14583.30894,
                "variance": 212672899.5
              },
              {
                "average": 0,
                "count": 3488075,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3488075,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3488075,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3488075,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3488075,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.823,
              2373998.464,
              -5.806260506,
              624999.823,
              2374998.484,
              0.3537394937
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.8230075921,
                    2373998.46404856,
                    -5.806260506269513
                  ],
                  [
                    623999.8230075921,
                    2374998.4840485593,
                    -5.806260506269513
                  ],
                  [
                    624999.8230075921,
                    2374998.4840485593,
                    0.353739493730488
                  ],
                  [
                    624999.8230075921,
                    2373998.46404856,
                    0.353739493730488
                  ],
                  [
                    623999.8230075921,
                    2373998.46404856,
                    -5.806260506269513
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:56:51+00:00",
            "end_time": "2013-09-19T02:52:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2182.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8315751776167,
              21.536681521793813,
              -10.594948698369324
            ],
            [
              -157.8315028740077,
              21.54571470177173,
              -10.594948698369324
            ],
            [
              -157.82285000955866,
              21.54565384422272,
              -2.014948698369324
            ],
            [
              -157.82292284617898,
              21.53662069275304,
              -2.014948698369324
            ],
            [
              -157.8315751776167,
              21.536681521793813,
              -10.594948698369324
            ]
          ]
        ]
      },
      "bbox": [
        -157.8315752,
        21.53662069,
        -10.5949487,
        -157.82285,
        21.5457147,
        -2.014948698
      ],
      "properties": {
        "datetime": "2013-09-21T20:59:53Z",
        "pc:count": 1762061,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621209.2965,
            "count": 1762061,
            "maximum": 621895.9683,
            "minimum": 620999.8083,
            "name": "X",
            "position": 0,
            "stddev": 154.3051073,
            "variance": 23810.06613
          },
          {
            "average": 2382299.657,
            "count": 1762061,
            "maximum": 2382998.482,
            "minimum": 2381998.482,
            "name": "Y",
            "position": 1,
            "stddev": 241.6680246,
            "variance": 58403.4341
          },
          {
            "average": -5.901625113,
            "count": 1762061,
            "maximum": -2.014948698,
            "minimum": -10.5949487,
            "name": "Z",
            "position": 2,
            "stddev": 1.24159124,
            "variance": 1.541548808
          },
          {
            "average": 5.953001627,
            "count": 1762061,
            "maximum": 5465,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.61556182,
            "variance": 425.0013892
          },
          {
            "average": 1.010788503,
            "count": 1762061,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1044695148,
            "variance": 0.01091387953
          },
          {
            "average": 1.018584487,
            "count": 1762061,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1366439267,
            "variance": 0.01867156272
          },
          {
            "average": 1,
            "count": 1762061,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1762061,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1762061,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.77411652,
            "count": 1762061,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.636560455,
            "variance": 6.951451035
          },
          {
            "average": 92.19334915,
            "count": 1762061,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 62.8144859,
            "variance": 3945.659638
          },
          {
            "average": 3.824434001,
            "count": 1762061,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.224053124,
            "variance": 4.946412298
          },
          {
            "average": 63830793.36,
            "count": 1762061,
            "maximum": 63832393.38,
            "minimum": 63765512,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1707.819479,
            "variance": 2916647.372
          },
          {
            "average": 0,
            "count": 1762061,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1762061,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1762061,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1762061,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1762061,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.8083,
          2381998.482,
          -10.5949487,
          621895.9683,
          2382998.482,
          -2.014948698
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.8083435501,
                2381998.4819968715,
                -10.594948698369324
              ],
              [
                620999.8083435501,
                2382998.4819968715,
                -10.594948698369324
              ],
              [
                621895.96834355,
                2382998.4819968715,
                -2.014948698369324
              ],
              [
                621895.96834355,
                2381998.4819968715,
                -2.014948698369324
              ],
              [
                620999.8083435501,
                2381998.4819968715,
                -10.594948698369324
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T20:59:53+00:00",
        "end_time": "2013-09-21T02:25:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2182.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2182.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2182.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2182.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8315752,
            21.53662069,
            -10.5949487,
            -157.82285,
            21.5457147,
            -2.014948698
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8315751776167,
                  21.536681521793813,
                  -10.594948698369324
                ],
                [
                  -157.8315028740077,
                  21.54571470177173,
                  -10.594948698369324
                ],
                [
                  -157.82285000955866,
                  21.54565384422272,
                  -2.014948698369324
                ],
                [
                  -157.82292284617898,
                  21.53662069275304,
                  -2.014948698369324
                ],
                [
                  -157.8315751776167,
                  21.536681521793813,
                  -10.594948698369324
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2182.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2182.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T20:59:53Z",
            "pc:count": 1762061,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621209.2965,
                "count": 1762061,
                "maximum": 621895.9683,
                "minimum": 620999.8083,
                "name": "X",
                "position": 0,
                "stddev": 154.3051073,
                "variance": 23810.06613
              },
              {
                "average": 2382299.657,
                "count": 1762061,
                "maximum": 2382998.482,
                "minimum": 2381998.482,
                "name": "Y",
                "position": 1,
                "stddev": 241.6680246,
                "variance": 58403.4341
              },
              {
                "average": -5.901625113,
                "count": 1762061,
                "maximum": -2.014948698,
                "minimum": -10.5949487,
                "name": "Z",
                "position": 2,
                "stddev": 1.24159124,
                "variance": 1.541548808
              },
              {
                "average": 5.953001627,
                "count": 1762061,
                "maximum": 5465,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.61556182,
                "variance": 425.0013892
              },
              {
                "average": 1.010788503,
                "count": 1762061,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1044695148,
                "variance": 0.01091387953
              },
              {
                "average": 1.018584487,
                "count": 1762061,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1366439267,
                "variance": 0.01867156272
              },
              {
                "average": 1,
                "count": 1762061,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1762061,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1762061,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.77411652,
                "count": 1762061,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.636560455,
                "variance": 6.951451035
              },
              {
                "average": 92.19334915,
                "count": 1762061,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 62.8144859,
                "variance": 3945.659638
              },
              {
                "average": 3.824434001,
                "count": 1762061,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.224053124,
                "variance": 4.946412298
              },
              {
                "average": 63830793.36,
                "count": 1762061,
                "maximum": 63832393.38,
                "minimum": 63765512,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1707.819479,
                "variance": 2916647.372
              },
              {
                "average": 0,
                "count": 1762061,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1762061,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1762061,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1762061,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1762061,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.8083,
              2381998.482,
              -10.5949487,
              621895.9683,
              2382998.482,
              -2.014948698
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.8083435501,
                    2381998.4819968715,
                    -10.594948698369324
                  ],
                  [
                    620999.8083435501,
                    2382998.4819968715,
                    -10.594948698369324
                  ],
                  [
                    621895.96834355,
                    2382998.4819968715,
                    -2.014948698369324
                  ],
                  [
                    621895.96834355,
                    2381998.4819968715,
                    -2.014948698369324
                  ],
                  [
                    620999.8083435501,
                    2381998.4819968715,
                    -10.594948698369324
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T20:59:53+00:00",
            "end_time": "2013-09-21T02:25:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj2183.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.83150274557838,
              21.545714796288248,
              -9.83566564466197
            ],
            [
              -157.8314762496221,
              21.549023828347185,
              -9.83566564466197
            ],
            [
              -157.8295748467966,
              21.549010491393304,
              -6.15566564466197
            ],
            [
              -157.8296013858038,
              21.545701461599243,
              -6.15566564466197
            ],
            [
              -157.83150274557838,
              21.545714796288248,
              -9.83566564466197
            ]
          ]
        ]
      },
      "bbox": [
        -157.8315027,
        21.54570146,
        -9.835665645,
        -157.8295748,
        21.54902383,
        -6.155665645
      ],
      "properties": {
        "datetime": "2013-09-21T20:35:52Z",
        "pc:count": 85224,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621064.3706,
            "count": 85224,
            "maximum": 621196.7416,
            "minimum": 620999.8216,
            "name": "X",
            "position": 0,
            "stddev": 50.31378383,
            "variance": 2531.476844
          },
          {
            "average": 2383138.247,
            "count": 85224,
            "maximum": 2383364.813,
            "minimum": 2382998.493,
            "name": "Y",
            "position": 1,
            "stddev": 97.13225824,
            "variance": 9434.675592
          },
          {
            "average": -7.630985038,
            "count": 85224,
            "maximum": -6.155665645,
            "minimum": -9.835665645,
            "name": "Z",
            "position": 2,
            "stddev": 0.5673082499,
            "variance": 0.3218386504
          },
          {
            "average": 4.640019243,
            "count": 85224,
            "maximum": 2917,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.13615005,
            "variance": 366.1922386
          },
          {
            "average": 1.001877405,
            "count": 85224,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04328859853,
            "variance": 0.001873902763
          },
          {
            "average": 1.002968647,
            "count": 85224,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05440467988,
            "variance": 0.002959869193
          },
          {
            "average": 1,
            "count": 85224,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 85224,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 85224,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.83659727,
            "count": 85224,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.14434742,
            "variance": 17.17561553
          },
          {
            "average": 93.48316202,
            "count": 85224,
            "maximum": 250,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 61.8460204,
            "variance": 3824.93024
          },
          {
            "average": 1.173131982,
            "count": 85224,
            "maximum": 2,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3783635531,
            "variance": 0.1431589783
          },
          {
            "average": 63830375.6,
            "count": 85224,
            "maximum": 63830952.94,
            "minimum": 63830252.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 263.2988904,
            "variance": 69326.30567
          },
          {
            "average": 0,
            "count": 85224,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 85224,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 85224,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 85224,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 85224,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.8216,
          2382998.493,
          -9.835665645,
          621196.7416,
          2383364.813,
          -6.155665645
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.8215655941,
                2382998.492559175,
                -9.83566564466197
              ],
              [
                620999.8215655941,
                2383364.8125591753,
                -9.83566564466197
              ],
              [
                621196.741565594,
                2383364.8125591753,
                -6.15566564466197
              ],
              [
                621196.741565594,
                2382998.492559175,
                -6.15566564466197
              ],
              [
                620999.8215655941,
                2382998.492559175,
                -9.83566564466197
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T20:35:52+00:00",
        "end_time": "2013-09-21T20:24:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj2183.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj2183.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj2183.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj2183.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8315027,
            21.54570146,
            -9.835665645,
            -157.8295748,
            21.54902383,
            -6.155665645
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.83150274557838,
                  21.545714796288248,
                  -9.83566564466197
                ],
                [
                  -157.8314762496221,
                  21.549023828347185,
                  -9.83566564466197
                ],
                [
                  -157.8295748467966,
                  21.549010491393304,
                  -6.15566564466197
                ],
                [
                  -157.8296013858038,
                  21.545701461599243,
                  -6.15566564466197
                ],
                [
                  -157.83150274557838,
                  21.545714796288248,
                  -9.83566564466197
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj2183.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj2183.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T20:35:52Z",
            "pc:count": 85224,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621064.3706,
                "count": 85224,
                "maximum": 621196.7416,
                "minimum": 620999.8216,
                "name": "X",
                "position": 0,
                "stddev": 50.31378383,
                "variance": 2531.476844
              },
              {
                "average": 2383138.247,
                "count": 85224,
                "maximum": 2383364.813,
                "minimum": 2382998.493,
                "name": "Y",
                "position": 1,
                "stddev": 97.13225824,
                "variance": 9434.675592
              },
              {
                "average": -7.630985038,
                "count": 85224,
                "maximum": -6.155665645,
                "minimum": -9.835665645,
                "name": "Z",
                "position": 2,
                "stddev": 0.5673082499,
                "variance": 0.3218386504
              },
              {
                "average": 4.640019243,
                "count": 85224,
                "maximum": 2917,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.13615005,
                "variance": 366.1922386
              },
              {
                "average": 1.001877405,
                "count": 85224,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04328859853,
                "variance": 0.001873902763
              },
              {
                "average": 1.002968647,
                "count": 85224,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05440467988,
                "variance": 0.002959869193
              },
              {
                "average": 1,
                "count": 85224,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 85224,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 85224,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.83659727,
                "count": 85224,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.14434742,
                "variance": 17.17561553
              },
              {
                "average": 93.48316202,
                "count": 85224,
                "maximum": 250,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 61.8460204,
                "variance": 3824.93024
              },
              {
                "average": 1.173131982,
                "count": 85224,
                "maximum": 2,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3783635531,
                "variance": 0.1431589783
              },
              {
                "average": 63830375.6,
                "count": 85224,
                "maximum": 63830952.94,
                "minimum": 63830252.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 263.2988904,
                "variance": 69326.30567
              },
              {
                "average": 0,
                "count": 85224,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 85224,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 85224,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 85224,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 85224,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.8216,
              2382998.493,
              -9.835665645,
              621196.7416,
              2383364.813,
              -6.155665645
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.8215655941,
                    2382998.492559175,
                    -9.83566564466197
                  ],
                  [
                    620999.8215655941,
                    2383364.8125591753,
                    -9.83566564466197
                  ],
                  [
                    621196.741565594,
                    2383364.8125591753,
                    -6.15566564466197
                  ],
                  [
                    621196.741565594,
                    2382998.492559175,
                    -6.15566564466197
                  ],
                  [
                    620999.8215655941,
                    2382998.492559175,
                    -9.83566564466197
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T20:35:52+00:00",
            "end_time": "2013-09-21T20:24:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2249.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81717497481227,
              21.246024700283428,
              -49.38672856921255
            ],
            [
              -157.8171632178773,
              21.247497695322753,
              -49.38672856921255
            ],
            [
              -157.81459756814766,
              21.247479679581758,
              -26.986728569212545
            ],
            [
              -157.81460935056447,
              21.24600668591717,
              -26.986728569212545
            ],
            [
              -157.81717497481227,
              21.246024700283428,
              -49.38672856921255
            ]
          ]
        ]
      },
      "bbox": [
        -157.817175,
        21.24600669,
        -49.38672857,
        -157.8145976,
        21.2474977,
        -26.98672857
      ],
      "properties": {
        "datetime": "2013-09-15T12:40:53Z",
        "pc:count": 13704,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622918.5871,
            "count": 13704,
            "maximum": 622999.7622,
            "minimum": 622733.5022,
            "name": "X",
            "position": 0,
            "stddev": 56.75433407,
            "variance": 3221.054436
          },
          {
            "average": 2349955.191,
            "count": 13704,
            "maximum": 2349998.43,
            "minimum": 2349835.37,
            "name": "Y",
            "position": 1,
            "stddev": 31.01033771,
            "variance": 961.641045
          },
          {
            "average": -36.7573751,
            "count": 13704,
            "maximum": -26.98672857,
            "minimum": -49.38672857,
            "name": "Z",
            "position": 2,
            "stddev": 4.05174136,
            "variance": 16.41660805
          },
          {
            "average": 600.0658932,
            "count": 13704,
            "maximum": 1991,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 510.7448141,
            "variance": 260860.2652
          },
          {
            "average": 1.045242265,
            "count": 13704,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2085436684,
            "variance": 0.04349046163
          },
          {
            "average": 1.045242265,
            "count": 13704,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2085436684,
            "variance": 0.04349046163
          },
          {
            "average": 1,
            "count": 13704,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13704,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 13704,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.8425131289,
            "count": 13704,
            "maximum": 22.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.860837813,
            "variance": 14.90606862
          },
          {
            "average": 249.3064069,
            "count": 13704,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.4699537876,
            "variance": 0.2208565624
          },
          {
            "average": 18.15353182,
            "count": 13704,
            "maximum": 19,
            "minimum": 17,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.98817976,
            "variance": 0.9764992381
          },
          {
            "average": 63283691.74,
            "count": 13704,
            "maximum": 63284053.57,
            "minimum": 63283201.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 417.7803686,
            "variance": 174540.4364
          },
          {
            "average": 0,
            "count": 13704,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13704,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13704,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13704,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13704,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622733.5022,
          2349835.37,
          -49.38672857,
          622999.7622,
          2349998.43,
          -26.98672857
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622733.5021875928,
                2349835.370064182,
                -49.38672856921255
              ],
              [
                622733.5021875928,
                2349998.430064182,
                -49.38672856921255
              ],
              [
                622999.7621875928,
                2349998.430064182,
                -26.986728569212545
              ],
              [
                622999.7621875928,
                2349835.370064182,
                -26.986728569212545
              ],
              [
                622733.5021875928,
                2349835.370064182,
                -49.38672856921255
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T12:40:53+00:00",
        "end_time": "2013-09-15T12:26:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2249.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2249.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2249.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2249.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.817175,
            21.24600669,
            -49.38672857,
            -157.8145976,
            21.2474977,
            -26.98672857
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81717497481227,
                  21.246024700283428,
                  -49.38672856921255
                ],
                [
                  -157.8171632178773,
                  21.247497695322753,
                  -49.38672856921255
                ],
                [
                  -157.81459756814766,
                  21.247479679581758,
                  -26.986728569212545
                ],
                [
                  -157.81460935056447,
                  21.24600668591717,
                  -26.986728569212545
                ],
                [
                  -157.81717497481227,
                  21.246024700283428,
                  -49.38672856921255
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2249.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2249.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T12:40:53Z",
            "pc:count": 13704,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622918.5871,
                "count": 13704,
                "maximum": 622999.7622,
                "minimum": 622733.5022,
                "name": "X",
                "position": 0,
                "stddev": 56.75433407,
                "variance": 3221.054436
              },
              {
                "average": 2349955.191,
                "count": 13704,
                "maximum": 2349998.43,
                "minimum": 2349835.37,
                "name": "Y",
                "position": 1,
                "stddev": 31.01033771,
                "variance": 961.641045
              },
              {
                "average": -36.7573751,
                "count": 13704,
                "maximum": -26.98672857,
                "minimum": -49.38672857,
                "name": "Z",
                "position": 2,
                "stddev": 4.05174136,
                "variance": 16.41660805
              },
              {
                "average": 600.0658932,
                "count": 13704,
                "maximum": 1991,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 510.7448141,
                "variance": 260860.2652
              },
              {
                "average": 1.045242265,
                "count": 13704,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2085436684,
                "variance": 0.04349046163
              },
              {
                "average": 1.045242265,
                "count": 13704,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2085436684,
                "variance": 0.04349046163
              },
              {
                "average": 1,
                "count": 13704,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13704,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 13704,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.8425131289,
                "count": 13704,
                "maximum": 22.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.860837813,
                "variance": 14.90606862
              },
              {
                "average": 249.3064069,
                "count": 13704,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.4699537876,
                "variance": 0.2208565624
              },
              {
                "average": 18.15353182,
                "count": 13704,
                "maximum": 19,
                "minimum": 17,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.98817976,
                "variance": 0.9764992381
              },
              {
                "average": 63283691.74,
                "count": 13704,
                "maximum": 63284053.57,
                "minimum": 63283201.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 417.7803686,
                "variance": 174540.4364
              },
              {
                "average": 0,
                "count": 13704,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13704,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13704,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13704,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13704,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622733.5022,
              2349835.37,
              -49.38672857,
              622999.7622,
              2349998.43,
              -26.98672857
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622733.5021875928,
                    2349835.370064182,
                    -49.38672856921255
                  ],
                  [
                    622733.5021875928,
                    2349998.430064182,
                    -49.38672856921255
                  ],
                  [
                    622999.7621875928,
                    2349998.430064182,
                    -26.986728569212545
                  ],
                  [
                    622999.7621875928,
                    2349835.370064182,
                    -26.986728569212545
                  ],
                  [
                    622733.5021875928,
                    2349835.370064182,
                    -49.38672856921255
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T12:40:53+00:00",
            "end_time": "2013-09-15T12:26:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1982.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8508850950419,
              21.536815588511452,
              -3.807944474634333
            ],
            [
              -157.85081398317828,
              21.545849011449647,
              -3.807944474634333
            ],
            [
              -157.84115843144986,
              21.54578218822025,
              96.99205552536566
            ],
            [
              -157.8412301399224,
              21.53674879631308,
              96.99205552536566
            ],
            [
              -157.8508850950419,
              21.536815588511452,
              -3.807944474634333
            ]
          ]
        ]
      },
      "bbox": [
        -157.8508851,
        21.5367488,
        -3.807944475,
        -157.8411584,
        21.54584901,
        96.99205553
      ],
      "properties": {
        "datetime": "2013-09-22T01:05:01Z",
        "pc:count": 4389673,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619550.8484,
            "count": 4389673,
            "maximum": 619999.8039,
            "minimum": 618999.8039,
            "name": "X",
            "position": 0,
            "stddev": 266.5423596,
            "variance": 71044.82945
          },
          {
            "average": 2382547.367,
            "count": 4389673,
            "maximum": 2382998.494,
            "minimum": 2381998.474,
            "name": "Y",
            "position": 1,
            "stddev": 279.4527982,
            "variance": 78093.86642
          },
          {
            "average": 13.51341084,
            "count": 4389673,
            "maximum": 96.99205553,
            "minimum": -3.807944475,
            "name": "Z",
            "position": 2,
            "stddev": 17.07071687,
            "variance": 291.4093744
          },
          {
            "average": 17.99072733,
            "count": 4389673,
            "maximum": 8681,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.68932684,
            "variance": 1273.72805
          },
          {
            "average": 1.280383755,
            "count": 4389673,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6465788294,
            "variance": 0.4180641826
          },
          {
            "average": 1.560995318,
            "count": 4389673,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9601491393,
            "variance": 0.9218863697
          },
          {
            "average": 1,
            "count": 4389673,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389673,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.889327975,
            "count": 4389673,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.464038954,
            "variance": 89.56803332
          },
          {
            "average": 20.10157191,
            "count": 4389673,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.657118596,
            "variance": 7.060279233
          },
          {
            "average": 91.46546633,
            "count": 4389673,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.43576176,
            "variance": 4413.71044
          },
          {
            "average": 3.792777275,
            "count": 4389673,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.099899222,
            "variance": 1.209778298
          },
          {
            "average": 63846242.71,
            "count": 4389673,
            "maximum": 63847101.98,
            "minimum": 63832744.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 962.4633873,
            "variance": 926335.7718
          },
          {
            "average": 0,
            "count": 4389673,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389673,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389673,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389673,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389673,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.8039,
          2381998.474,
          -3.807944475,
          619999.8039,
          2382998.494,
          96.99205553
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.8038997471,
                2381998.4735355144,
                -3.807944474634333
              ],
              [
                618999.8038997471,
                2382998.493535514,
                -3.807944474634333
              ],
              [
                619999.8038997471,
                2382998.493535514,
                96.99205552536566
              ],
              [
                619999.8038997471,
                2381998.4735355144,
                96.99205552536566
              ],
              [
                618999.8038997471,
                2381998.4735355144,
                -3.807944474634333
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:05:01+00:00",
        "end_time": "2013-09-21T21:05:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1982.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1982.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1982.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1982.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8508851,
            21.5367488,
            -3.807944475,
            -157.8411584,
            21.54584901,
            96.99205553
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8508850950419,
                  21.536815588511452,
                  -3.807944474634333
                ],
                [
                  -157.85081398317828,
                  21.545849011449647,
                  -3.807944474634333
                ],
                [
                  -157.84115843144986,
                  21.54578218822025,
                  96.99205552536566
                ],
                [
                  -157.8412301399224,
                  21.53674879631308,
                  96.99205552536566
                ],
                [
                  -157.8508850950419,
                  21.536815588511452,
                  -3.807944474634333
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1982.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1982.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:05:01Z",
            "pc:count": 4389673,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619550.8484,
                "count": 4389673,
                "maximum": 619999.8039,
                "minimum": 618999.8039,
                "name": "X",
                "position": 0,
                "stddev": 266.5423596,
                "variance": 71044.82945
              },
              {
                "average": 2382547.367,
                "count": 4389673,
                "maximum": 2382998.494,
                "minimum": 2381998.474,
                "name": "Y",
                "position": 1,
                "stddev": 279.4527982,
                "variance": 78093.86642
              },
              {
                "average": 13.51341084,
                "count": 4389673,
                "maximum": 96.99205553,
                "minimum": -3.807944475,
                "name": "Z",
                "position": 2,
                "stddev": 17.07071687,
                "variance": 291.4093744
              },
              {
                "average": 17.99072733,
                "count": 4389673,
                "maximum": 8681,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.68932684,
                "variance": 1273.72805
              },
              {
                "average": 1.280383755,
                "count": 4389673,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6465788294,
                "variance": 0.4180641826
              },
              {
                "average": 1.560995318,
                "count": 4389673,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9601491393,
                "variance": 0.9218863697
              },
              {
                "average": 1,
                "count": 4389673,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389673,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.889327975,
                "count": 4389673,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.464038954,
                "variance": 89.56803332
              },
              {
                "average": 20.10157191,
                "count": 4389673,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.657118596,
                "variance": 7.060279233
              },
              {
                "average": 91.46546633,
                "count": 4389673,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.43576176,
                "variance": 4413.71044
              },
              {
                "average": 3.792777275,
                "count": 4389673,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.099899222,
                "variance": 1.209778298
              },
              {
                "average": 63846242.71,
                "count": 4389673,
                "maximum": 63847101.98,
                "minimum": 63832744.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 962.4633873,
                "variance": 926335.7718
              },
              {
                "average": 0,
                "count": 4389673,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389673,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389673,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389673,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389673,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.8039,
              2381998.474,
              -3.807944475,
              619999.8039,
              2382998.494,
              96.99205553
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.8038997471,
                    2381998.4735355144,
                    -3.807944474634333
                  ],
                  [
                    618999.8038997471,
                    2382998.493535514,
                    -3.807944474634333
                  ],
                  [
                    619999.8038997471,
                    2382998.493535514,
                    96.99205552536566
                  ],
                  [
                    619999.8038997471,
                    2381998.4735355144,
                    96.99205552536566
                  ],
                  [
                    618999.8038997471,
                    2381998.4735355144,
                    -3.807944474634333
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:05:01+00:00",
            "end_time": "2013-09-21T21:05:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2353.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81438030948317,
              21.274580039526608,
              2.202818216667836
            ],
            [
              -157.81430791408917,
              21.283613452694564,
              2.202818216667836
            ],
            [
              -157.80543710069406,
              21.283550756584653,
              63.32281821666784
            ],
            [
              -157.8055100365766,
              21.274517374747404,
              63.32281821666784
            ],
            [
              -157.81438030948317,
              21.274580039526608,
              2.202818216667836
            ]
          ]
        ]
      },
      "bbox": [
        -157.8143803,
        21.27451737,
        2.202818217,
        -157.8054371,
        21.28361345,
        63.32281822
      ],
      "properties": {
        "datetime": "2013-09-15T11:10:20Z",
        "pc:count": 2957104,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623308.564,
            "count": 2957104,
            "maximum": 623920.1737,
            "minimum": 622999.7937,
            "name": "X",
            "position": 0,
            "stddev": 207.9443189,
            "variance": 43240.83976
          },
          {
            "average": 2353420.425,
            "count": 2957104,
            "maximum": 2353998.438,
            "minimum": 2352998.438,
            "name": "Y",
            "position": 1,
            "stddev": 254.1683666,
            "variance": 64601.55859
          },
          {
            "average": 19.45817422,
            "count": 2957104,
            "maximum": 63.32281822,
            "minimum": 2.202818217,
            "name": "Z",
            "position": 2,
            "stddev": 12.10434239,
            "variance": 146.5151047
          },
          {
            "average": 22.38180632,
            "count": 2957104,
            "maximum": 907,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.61416548,
            "variance": 1815.9671
          },
          {
            "average": 1.356053084,
            "count": 2957104,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6912163244,
            "variance": 0.4777800071
          },
          {
            "average": 1.713492322,
            "count": 2957104,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.013970446,
            "variance": 1.028136064
          },
          {
            "average": 1,
            "count": 2957104,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2957104,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.211927616,
            "count": 2957104,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4086739016,
            "variance": 0.1670143579
          },
          {
            "average": 19.95419429,
            "count": 2957104,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.357587895,
            "variance": 11.27339647
          },
          {
            "average": 91.12123923,
            "count": 2957104,
            "maximum": 202,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.5972922,
            "variance": 4303.004744
          },
          {
            "average": 2.332878722,
            "count": 2957104,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.095166922,
            "variance": 1.199390586
          },
          {
            "average": 63277767.56,
            "count": 2957104,
            "maximum": 63278620.07,
            "minimum": 63277405.23,
            "name": "GpsTime",
            "position": 12,
            "stddev": 320.1295326,
            "variance": 102482.9177
          },
          {
            "average": 0,
            "count": 2957104,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2957104,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2957104,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2957104,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2957104,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.7937,
          2352998.438,
          2.202818217,
          623920.1737,
          2353998.438,
          63.32281822
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.7936863373,
                2352998.437999571,
                2.202818216667836
              ],
              [
                622999.7936863373,
                2353998.437999571,
                2.202818216667836
              ],
              [
                623920.1736863372,
                2353998.437999571,
                63.32281821666784
              ],
              [
                623920.1736863372,
                2352998.437999571,
                63.32281821666784
              ],
              [
                622999.7936863373,
                2352998.437999571,
                2.202818216667836
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T11:10:20+00:00",
        "end_time": "2013-09-15T10:50:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2353.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2353.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2353.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2353.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8143803,
            21.27451737,
            2.202818217,
            -157.8054371,
            21.28361345,
            63.32281822
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81438030948317,
                  21.274580039526608,
                  2.202818216667836
                ],
                [
                  -157.81430791408917,
                  21.283613452694564,
                  2.202818216667836
                ],
                [
                  -157.80543710069406,
                  21.283550756584653,
                  63.32281821666784
                ],
                [
                  -157.8055100365766,
                  21.274517374747404,
                  63.32281821666784
                ],
                [
                  -157.81438030948317,
                  21.274580039526608,
                  2.202818216667836
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2353.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2353.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T11:10:20Z",
            "pc:count": 2957104,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623308.564,
                "count": 2957104,
                "maximum": 623920.1737,
                "minimum": 622999.7937,
                "name": "X",
                "position": 0,
                "stddev": 207.9443189,
                "variance": 43240.83976
              },
              {
                "average": 2353420.425,
                "count": 2957104,
                "maximum": 2353998.438,
                "minimum": 2352998.438,
                "name": "Y",
                "position": 1,
                "stddev": 254.1683666,
                "variance": 64601.55859
              },
              {
                "average": 19.45817422,
                "count": 2957104,
                "maximum": 63.32281822,
                "minimum": 2.202818217,
                "name": "Z",
                "position": 2,
                "stddev": 12.10434239,
                "variance": 146.5151047
              },
              {
                "average": 22.38180632,
                "count": 2957104,
                "maximum": 907,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.61416548,
                "variance": 1815.9671
              },
              {
                "average": 1.356053084,
                "count": 2957104,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6912163244,
                "variance": 0.4777800071
              },
              {
                "average": 1.713492322,
                "count": 2957104,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.013970446,
                "variance": 1.028136064
              },
              {
                "average": 1,
                "count": 2957104,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2957104,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.211927616,
                "count": 2957104,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4086739016,
                "variance": 0.1670143579
              },
              {
                "average": 19.95419429,
                "count": 2957104,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.357587895,
                "variance": 11.27339647
              },
              {
                "average": 91.12123923,
                "count": 2957104,
                "maximum": 202,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.5972922,
                "variance": 4303.004744
              },
              {
                "average": 2.332878722,
                "count": 2957104,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.095166922,
                "variance": 1.199390586
              },
              {
                "average": 63277767.56,
                "count": 2957104,
                "maximum": 63278620.07,
                "minimum": 63277405.23,
                "name": "GpsTime",
                "position": 12,
                "stddev": 320.1295326,
                "variance": 102482.9177
              },
              {
                "average": 0,
                "count": 2957104,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2957104,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2957104,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2957104,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2957104,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.7937,
              2352998.438,
              2.202818217,
              623920.1737,
              2353998.438,
              63.32281822
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.7936863373,
                    2352998.437999571,
                    2.202818216667836
                  ],
                  [
                    622999.7936863373,
                    2353998.437999571,
                    2.202818216667836
                  ],
                  [
                    623920.1736863372,
                    2353998.437999571,
                    63.32281821666784
                  ],
                  [
                    623920.1736863372,
                    2352998.437999571,
                    63.32281821666784
                  ],
                  [
                    622999.7936863373,
                    2352998.437999571,
                    2.202818216667836
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T11:10:20+00:00",
            "end_time": "2013-09-15T10:50:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2867.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.76513431958028,
              21.400698630367135,
              0.395348767941719
            ],
            [
              -157.7650584442028,
              21.409731911953653,
              0.395348767941719
            ],
            [
              -157.75541221042667,
              21.409660550365935,
              116.27534876794172
            ],
            [
              -157.75548867659907,
              21.4006273021109,
              116.27534876794172
            ],
            [
              -157.76513431958028,
              21.400698630367135,
              0.395348767941719
            ]
          ]
        ]
      },
      "bbox": [
        -157.7651343,
        21.4006273,
        0.3953487679,
        -157.7554122,
        21.40973191,
        116.2753488
      ],
      "properties": {
        "datetime": "2013-09-20T20:51:26Z",
        "pc:count": 7287062,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628465.4016,
            "count": 7287062,
            "maximum": 628999.835,
            "minimum": 627999.835,
            "name": "X",
            "position": 0,
            "stddev": 285.4582338,
            "variance": 81486.40324
          },
          {
            "average": 2367543.77,
            "count": 7287062,
            "maximum": 2367998.473,
            "minimum": 2366998.453,
            "name": "Y",
            "position": 1,
            "stddev": 285.7521542,
            "variance": 81654.29366
          },
          {
            "average": 21.36479116,
            "count": 7287062,
            "maximum": 116.2753488,
            "minimum": 0.3953487679,
            "name": "Z",
            "position": 2,
            "stddev": 24.74645501,
            "variance": 612.3870354
          },
          {
            "average": 13.33541419,
            "count": 7287062,
            "maximum": 878,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.46843385,
            "variance": 460.8936519
          },
          {
            "average": 1.541594678,
            "count": 7287062,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8663622442,
            "variance": 0.7505835382
          },
          {
            "average": 2.083263049,
            "count": 7287062,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.244482113,
            "variance": 1.548735729
          },
          {
            "average": 1,
            "count": 7287062,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7287062,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.157087177,
            "count": 7287062,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3638829677,
            "variance": 0.1324108142
          },
          {
            "average": 20.06941371,
            "count": 7287062,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.034193829,
            "variance": 4.137944533
          },
          {
            "average": 91.35442954,
            "count": 7287062,
            "maximum": 208,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.04971444,
            "variance": 4362.564778
          },
          {
            "average": 5.852743945,
            "count": 7287062,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.536225258,
            "variance": 2.359988043
          },
          {
            "average": 63743003.75,
            "count": 7287062,
            "maximum": 63745486.83,
            "minimum": 63740723.08,
            "name": "GpsTime",
            "position": 12,
            "stddev": 910.3005274,
            "variance": 828647.0502
          },
          {
            "average": 0,
            "count": 7287062,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7287062,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7287062,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7287062,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7287062,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.835,
          2366998.453,
          0.3953487679,
          628999.835,
          2367998.473,
          116.2753488
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8349529409,
                2366998.45345206,
                0.395348767941719
              ],
              [
                627999.8349529409,
                2367998.4734520596,
                0.395348767941719
              ],
              [
                628999.8349529409,
                2367998.4734520596,
                116.27534876794172
              ],
              [
                628999.8349529409,
                2366998.45345206,
                116.27534876794172
              ],
              [
                627999.8349529409,
                2366998.45345206,
                0.395348767941719
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:51:26+00:00",
        "end_time": "2013-09-20T19:32:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2867.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2867.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2867.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2867.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7651343,
            21.4006273,
            0.3953487679,
            -157.7554122,
            21.40973191,
            116.2753488
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.76513431958028,
                  21.400698630367135,
                  0.395348767941719
                ],
                [
                  -157.7650584442028,
                  21.409731911953653,
                  0.395348767941719
                ],
                [
                  -157.75541221042667,
                  21.409660550365935,
                  116.27534876794172
                ],
                [
                  -157.75548867659907,
                  21.4006273021109,
                  116.27534876794172
                ],
                [
                  -157.76513431958028,
                  21.400698630367135,
                  0.395348767941719
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2867.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2867.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:51:26Z",
            "pc:count": 7287062,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628465.4016,
                "count": 7287062,
                "maximum": 628999.835,
                "minimum": 627999.835,
                "name": "X",
                "position": 0,
                "stddev": 285.4582338,
                "variance": 81486.40324
              },
              {
                "average": 2367543.77,
                "count": 7287062,
                "maximum": 2367998.473,
                "minimum": 2366998.453,
                "name": "Y",
                "position": 1,
                "stddev": 285.7521542,
                "variance": 81654.29366
              },
              {
                "average": 21.36479116,
                "count": 7287062,
                "maximum": 116.2753488,
                "minimum": 0.3953487679,
                "name": "Z",
                "position": 2,
                "stddev": 24.74645501,
                "variance": 612.3870354
              },
              {
                "average": 13.33541419,
                "count": 7287062,
                "maximum": 878,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.46843385,
                "variance": 460.8936519
              },
              {
                "average": 1.541594678,
                "count": 7287062,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8663622442,
                "variance": 0.7505835382
              },
              {
                "average": 2.083263049,
                "count": 7287062,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.244482113,
                "variance": 1.548735729
              },
              {
                "average": 1,
                "count": 7287062,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7287062,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.157087177,
                "count": 7287062,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3638829677,
                "variance": 0.1324108142
              },
              {
                "average": 20.06941371,
                "count": 7287062,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.034193829,
                "variance": 4.137944533
              },
              {
                "average": 91.35442954,
                "count": 7287062,
                "maximum": 208,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.04971444,
                "variance": 4362.564778
              },
              {
                "average": 5.852743945,
                "count": 7287062,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.536225258,
                "variance": 2.359988043
              },
              {
                "average": 63743003.75,
                "count": 7287062,
                "maximum": 63745486.83,
                "minimum": 63740723.08,
                "name": "GpsTime",
                "position": 12,
                "stddev": 910.3005274,
                "variance": 828647.0502
              },
              {
                "average": 0,
                "count": 7287062,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7287062,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7287062,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7287062,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7287062,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.835,
              2366998.453,
              0.3953487679,
              628999.835,
              2367998.473,
              116.2753488
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8349529409,
                    2366998.45345206,
                    0.395348767941719
                  ],
                  [
                    627999.8349529409,
                    2367998.4734520596,
                    0.395348767941719
                  ],
                  [
                    628999.8349529409,
                    2367998.4734520596,
                    116.27534876794172
                  ],
                  [
                    628999.8349529409,
                    2366998.45345206,
                    116.27534876794172
                  ],
                  [
                    627999.8349529409,
                    2366998.45345206,
                    0.395348767941719
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:51:26+00:00",
            "end_time": "2013-09-20T19:32:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2475.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.80312802480415,
              21.473244164632362,
              -9.724106774256237
            ],
            [
              -157.80305421225412,
              21.48227749768207,
              -9.724106774256237
            ],
            [
              -157.7934030352928,
              21.48220810212274,
              9.715893225743764
            ],
            [
              -157.79347744612696,
              21.47317480000073,
              9.715893225743764
            ],
            [
              -157.80312802480415,
              21.473244164632362,
              -9.724106774256237
            ]
          ]
        ]
      },
      "bbox": [
        -157.803128,
        21.4731748,
        -9.724106774,
        -157.793403,
        21.4822775,
        9.715893226
      ],
      "properties": {
        "datetime": "2013-09-19T20:10:45Z",
        "pc:count": 4329453,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624506.3035,
            "count": 4329453,
            "maximum": 624999.824,
            "minimum": 623999.824,
            "name": "X",
            "position": 0,
            "stddev": 291.6087786,
            "variance": 85035.67976
          },
          {
            "average": 2375519.358,
            "count": 4329453,
            "maximum": 2375998.492,
            "minimum": 2374998.472,
            "name": "Y",
            "position": 1,
            "stddev": 286.434144,
            "variance": 82044.51883
          },
          {
            "average": -4.509516271,
            "count": 4329453,
            "maximum": 9.715893226,
            "minimum": -9.724106774,
            "name": "Z",
            "position": 2,
            "stddev": 2.671233489,
            "variance": 7.135488354
          },
          {
            "average": 6.613300803,
            "count": 4329453,
            "maximum": 4650,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 17.24019593,
            "variance": 297.2243558
          },
          {
            "average": 1.009702842,
            "count": 4329453,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1112963618,
            "variance": 0.01238688014
          },
          {
            "average": 1.017267077,
            "count": 4329453,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1612339908,
            "variance": 0.0259963998
          },
          {
            "average": 1,
            "count": 4329453,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4329453,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.24555573,
            "count": 4329453,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.508467351,
            "variance": 20.32627785
          },
          {
            "average": 19.53571132,
            "count": 4329453,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.879669803,
            "variance": 15.05183778
          },
          {
            "average": 90.15543857,
            "count": 4329453,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.18932929,
            "variance": 4249.648653
          },
          {
            "average": 5.7924232,
            "count": 4329453,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.137598422,
            "variance": 4.569327013
          },
          {
            "average": 63606295.71,
            "count": 4329453,
            "maximum": 63656645.19,
            "minimum": 63591939.94,
            "name": "GpsTime",
            "position": 12,
            "stddev": 24427.77309,
            "variance": 596716098.3
          },
          {
            "average": 0,
            "count": 4329453,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4329453,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4329453,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4329453,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4329453,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.824,
          2374998.472,
          -9.724106774,
          624999.824,
          2375998.492,
          9.715893226
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.8240277884,
                2374998.4721772857,
                -9.724106774256237
              ],
              [
                623999.8240277884,
                2375998.4921772853,
                -9.724106774256237
              ],
              [
                624999.8240277884,
                2375998.4921772853,
                9.715893225743764
              ],
              [
                624999.8240277884,
                2374998.4721772857,
                9.715893225743764
              ],
              [
                623999.8240277884,
                2374998.4721772857,
                -9.724106774256237
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:10:45+00:00",
        "end_time": "2013-09-19T02:12:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2475.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2475.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2475.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2475.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.803128,
            21.4731748,
            -9.724106774,
            -157.793403,
            21.4822775,
            9.715893226
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.80312802480415,
                  21.473244164632362,
                  -9.724106774256237
                ],
                [
                  -157.80305421225412,
                  21.48227749768207,
                  -9.724106774256237
                ],
                [
                  -157.7934030352928,
                  21.48220810212274,
                  9.715893225743764
                ],
                [
                  -157.79347744612696,
                  21.47317480000073,
                  9.715893225743764
                ],
                [
                  -157.80312802480415,
                  21.473244164632362,
                  -9.724106774256237
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2475.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2475.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:10:45Z",
            "pc:count": 4329453,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624506.3035,
                "count": 4329453,
                "maximum": 624999.824,
                "minimum": 623999.824,
                "name": "X",
                "position": 0,
                "stddev": 291.6087786,
                "variance": 85035.67976
              },
              {
                "average": 2375519.358,
                "count": 4329453,
                "maximum": 2375998.492,
                "minimum": 2374998.472,
                "name": "Y",
                "position": 1,
                "stddev": 286.434144,
                "variance": 82044.51883
              },
              {
                "average": -4.509516271,
                "count": 4329453,
                "maximum": 9.715893226,
                "minimum": -9.724106774,
                "name": "Z",
                "position": 2,
                "stddev": 2.671233489,
                "variance": 7.135488354
              },
              {
                "average": 6.613300803,
                "count": 4329453,
                "maximum": 4650,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 17.24019593,
                "variance": 297.2243558
              },
              {
                "average": 1.009702842,
                "count": 4329453,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1112963618,
                "variance": 0.01238688014
              },
              {
                "average": 1.017267077,
                "count": 4329453,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1612339908,
                "variance": 0.0259963998
              },
              {
                "average": 1,
                "count": 4329453,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4329453,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.24555573,
                "count": 4329453,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.508467351,
                "variance": 20.32627785
              },
              {
                "average": 19.53571132,
                "count": 4329453,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.879669803,
                "variance": 15.05183778
              },
              {
                "average": 90.15543857,
                "count": 4329453,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.18932929,
                "variance": 4249.648653
              },
              {
                "average": 5.7924232,
                "count": 4329453,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.137598422,
                "variance": 4.569327013
              },
              {
                "average": 63606295.71,
                "count": 4329453,
                "maximum": 63656645.19,
                "minimum": 63591939.94,
                "name": "GpsTime",
                "position": 12,
                "stddev": 24427.77309,
                "variance": 596716098.3
              },
              {
                "average": 0,
                "count": 4329453,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4329453,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4329453,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4329453,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4329453,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.824,
              2374998.472,
              -9.724106774,
              624999.824,
              2375998.492,
              9.715893226
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.8240277884,
                    2374998.4721772857,
                    -9.724106774256237
                  ],
                  [
                    623999.8240277884,
                    2375998.4921772853,
                    -9.724106774256237
                  ],
                  [
                    624999.8240277884,
                    2375998.4921772853,
                    9.715893225743764
                  ],
                  [
                    624999.8240277884,
                    2374998.4721772857,
                    9.715893225743764
                  ],
                  [
                    623999.8240277884,
                    2374998.4721772857,
                    -9.724106774256237
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:10:45+00:00",
            "end_time": "2013-09-19T02:12:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2250.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82423324206476,
              21.247547245499266,
              -54.5922241850672
            ],
            [
              -157.8241615488797,
              21.256580717243505,
              -54.5922241850672
            ],
            [
              -157.81452506649686,
              21.256513225559452,
              28.6877758149328
            ],
            [
              -157.81459734673845,
              21.24747978554716,
              28.6877758149328
            ],
            [
              -157.82423324206476,
              21.247547245499266,
              -54.5922241850672
            ]
          ]
        ]
      },
      "bbox": [
        -157.8242332,
        21.24747979,
        -54.59222419,
        -157.8145251,
        21.25658072,
        28.68777581
      ],
      "properties": {
        "datetime": "2013-09-17T12:51:13Z",
        "pc:count": 3609249,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622560.0705,
            "count": 3609249,
            "maximum": 622999.7851,
            "minimum": 621999.7851,
            "name": "X",
            "position": 0,
            "stddev": 272.9488144,
            "variance": 74501.05528
          },
          {
            "average": 2350676.15,
            "count": 3609249,
            "maximum": 2350998.442,
            "minimum": 2349998.442,
            "name": "Y",
            "position": 1,
            "stddev": 213.3585622,
            "variance": 45521.87607
          },
          {
            "average": -5.278964499,
            "count": 3609249,
            "maximum": 28.68777581,
            "minimum": -54.59222419,
            "name": "Z",
            "position": 2,
            "stddev": 6.015376676,
            "variance": 36.18475655
          },
          {
            "average": 34.86723969,
            "count": 3609249,
            "maximum": 8826,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 162.8115533,
            "variance": 26507.60188
          },
          {
            "average": 1.068126915,
            "count": 3609249,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2705706138,
            "variance": 0.07320845706
          },
          {
            "average": 1.09344631,
            "count": 3609249,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3342442099,
            "variance": 0.1117191918
          },
          {
            "average": 1,
            "count": 3609249,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3609249,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.68310194,
            "count": 3609249,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.951347768,
            "variance": 8.710453648
          },
          {
            "average": 18.73932299,
            "count": 3609249,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.644400862,
            "variance": 31.8592611
          },
          {
            "average": 104.2741105,
            "count": 3609249,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 80.73683031,
            "variance": 6518.435769
          },
          {
            "average": 10.68161825,
            "count": 3609249,
            "maximum": 19,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.208551451,
            "variance": 38.54611113
          },
          {
            "average": 63365529.45,
            "count": 3609249,
            "maximum": 63457473.65,
            "minimum": 63281613.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86899.54645,
            "variance": 7551531174
          },
          {
            "average": 0,
            "count": 3609249,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3609249,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3609249,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3609249,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3609249,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.7851,
          2349998.442,
          -54.59222419,
          622999.7851,
          2350998.442,
          28.68777581
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.7850759304,
                2349998.441966148,
                -54.5922241850672
              ],
              [
                621999.7850759304,
                2350998.441966148,
                -54.5922241850672
              ],
              [
                622999.7850759304,
                2350998.441966148,
                28.6877758149328
              ],
              [
                622999.7850759304,
                2349998.441966148,
                28.6877758149328
              ],
              [
                621999.7850759304,
                2349998.441966148,
                -54.5922241850672
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:51:13+00:00",
        "end_time": "2013-09-15T12:00:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2250.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2250.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2250.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2250.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8242332,
            21.24747979,
            -54.59222419,
            -157.8145251,
            21.25658072,
            28.68777581
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82423324206476,
                  21.247547245499266,
                  -54.5922241850672
                ],
                [
                  -157.8241615488797,
                  21.256580717243505,
                  -54.5922241850672
                ],
                [
                  -157.81452506649686,
                  21.256513225559452,
                  28.6877758149328
                ],
                [
                  -157.81459734673845,
                  21.24747978554716,
                  28.6877758149328
                ],
                [
                  -157.82423324206476,
                  21.247547245499266,
                  -54.5922241850672
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2250.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2250.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:51:13Z",
            "pc:count": 3609249,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622560.0705,
                "count": 3609249,
                "maximum": 622999.7851,
                "minimum": 621999.7851,
                "name": "X",
                "position": 0,
                "stddev": 272.9488144,
                "variance": 74501.05528
              },
              {
                "average": 2350676.15,
                "count": 3609249,
                "maximum": 2350998.442,
                "minimum": 2349998.442,
                "name": "Y",
                "position": 1,
                "stddev": 213.3585622,
                "variance": 45521.87607
              },
              {
                "average": -5.278964499,
                "count": 3609249,
                "maximum": 28.68777581,
                "minimum": -54.59222419,
                "name": "Z",
                "position": 2,
                "stddev": 6.015376676,
                "variance": 36.18475655
              },
              {
                "average": 34.86723969,
                "count": 3609249,
                "maximum": 8826,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 162.8115533,
                "variance": 26507.60188
              },
              {
                "average": 1.068126915,
                "count": 3609249,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2705706138,
                "variance": 0.07320845706
              },
              {
                "average": 1.09344631,
                "count": 3609249,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3342442099,
                "variance": 0.1117191918
              },
              {
                "average": 1,
                "count": 3609249,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3609249,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.68310194,
                "count": 3609249,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.951347768,
                "variance": 8.710453648
              },
              {
                "average": 18.73932299,
                "count": 3609249,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.644400862,
                "variance": 31.8592611
              },
              {
                "average": 104.2741105,
                "count": 3609249,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 80.73683031,
                "variance": 6518.435769
              },
              {
                "average": 10.68161825,
                "count": 3609249,
                "maximum": 19,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.208551451,
                "variance": 38.54611113
              },
              {
                "average": 63365529.45,
                "count": 3609249,
                "maximum": 63457473.65,
                "minimum": 63281613.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86899.54645,
                "variance": 7551531174
              },
              {
                "average": 0,
                "count": 3609249,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3609249,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3609249,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3609249,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3609249,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.7851,
              2349998.442,
              -54.59222419,
              622999.7851,
              2350998.442,
              28.68777581
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.7850759304,
                    2349998.441966148,
                    -54.5922241850672
                  ],
                  [
                    621999.7850759304,
                    2350998.441966148,
                    -54.5922241850672
                  ],
                  [
                    622999.7850759304,
                    2350998.441966148,
                    28.6877758149328
                  ],
                  [
                    622999.7850759304,
                    2349998.441966148,
                    28.6877758149328
                  ],
                  [
                    621999.7850759304,
                    2349998.441966148,
                    -54.5922241850672
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:51:13+00:00",
            "end_time": "2013-09-15T12:00:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2575.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.79347752585997,
              21.473174769592315,
              -15.079462142064159
            ],
            [
              -157.7934031150309,
              21.48220807171461,
              -15.079462142064159
            ],
            [
              -157.7837517906767,
              21.482138116161277,
              -2.559462142064159
            ],
            [
              -157.7838268017223,
              21.473104844642105,
              -2.559462142064159
            ],
            [
              -157.79347752585997,
              21.473174769592315,
              -15.079462142064159
            ]
          ]
        ]
      },
      "bbox": [
        -157.7934775,
        21.47310484,
        -15.07946214,
        -157.7837518,
        21.48220807,
        -2.559462142
      ],
      "properties": {
        "datetime": "2013-09-24T20:37:28Z",
        "pc:count": 4389011,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625475.2249,
            "count": 4389011,
            "maximum": 625999.8358,
            "minimum": 624999.8158,
            "name": "X",
            "position": 0,
            "stddev": 279.8074448,
            "variance": 78292.20615
          },
          {
            "average": 2375469.499,
            "count": 4389011,
            "maximum": 2375998.489,
            "minimum": 2374998.469,
            "name": "Y",
            "position": 1,
            "stddev": 286.4219447,
            "variance": 82037.53042
          },
          {
            "average": -7.761579963,
            "count": 4389011,
            "maximum": -2.559462142,
            "minimum": -15.07946214,
            "name": "Z",
            "position": 2,
            "stddev": 2.004001013,
            "variance": 4.016020059
          },
          {
            "average": 9.430328154,
            "count": 4389011,
            "maximum": 7503,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.40181441,
            "variance": 547.6449176
          },
          {
            "average": 1.008426955,
            "count": 4389011,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09231119594,
            "variance": 0.008521356895
          },
          {
            "average": 1.01606535,
            "count": 4389011,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1270554896,
            "variance": 0.01614309743
          },
          {
            "average": 1,
            "count": 4389011,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389011,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4389011,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.8436883,
            "count": 4389011,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.190885873,
            "variance": 26.94529614
          },
          {
            "average": 92.7204639,
            "count": 4389011,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 65.07281976,
            "variance": 4234.471871
          },
          {
            "average": 3.277134644,
            "count": 4389011,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.380223278,
            "variance": 5.665462851
          },
          {
            "average": 63608001.48,
            "count": 4389011,
            "maximum": 64090248.91,
            "minimum": 63591926.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 80874.83163,
            "variance": 6540738391
          },
          {
            "average": 0,
            "count": 4389011,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389011,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389011,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389011,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4389011,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.8158,
          2374998.469,
          -15.07946214,
          625999.8358,
          2375998.489,
          -2.559462142
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.8157922142,
                2374998.468747468,
                -15.079462142064159
              ],
              [
                624999.8157922142,
                2375998.4887474678,
                -15.079462142064159
              ],
              [
                625999.8357922143,
                2375998.4887474678,
                -2.559462142064159
              ],
              [
                625999.8357922143,
                2374998.468747468,
                -2.559462142064159
              ],
              [
                624999.8157922142,
                2374998.468747468,
                -15.079462142064159
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:37:28+00:00",
        "end_time": "2013-09-19T02:12:06+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2575.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2575.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2575.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2575.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7934775,
            21.47310484,
            -15.07946214,
            -157.7837518,
            21.48220807,
            -2.559462142
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.79347752585997,
                  21.473174769592315,
                  -15.079462142064159
                ],
                [
                  -157.7934031150309,
                  21.48220807171461,
                  -15.079462142064159
                ],
                [
                  -157.7837517906767,
                  21.482138116161277,
                  -2.559462142064159
                ],
                [
                  -157.7838268017223,
                  21.473104844642105,
                  -2.559462142064159
                ],
                [
                  -157.79347752585997,
                  21.473174769592315,
                  -15.079462142064159
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2575.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2575.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:37:28Z",
            "pc:count": 4389011,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625475.2249,
                "count": 4389011,
                "maximum": 625999.8358,
                "minimum": 624999.8158,
                "name": "X",
                "position": 0,
                "stddev": 279.8074448,
                "variance": 78292.20615
              },
              {
                "average": 2375469.499,
                "count": 4389011,
                "maximum": 2375998.489,
                "minimum": 2374998.469,
                "name": "Y",
                "position": 1,
                "stddev": 286.4219447,
                "variance": 82037.53042
              },
              {
                "average": -7.761579963,
                "count": 4389011,
                "maximum": -2.559462142,
                "minimum": -15.07946214,
                "name": "Z",
                "position": 2,
                "stddev": 2.004001013,
                "variance": 4.016020059
              },
              {
                "average": 9.430328154,
                "count": 4389011,
                "maximum": 7503,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.40181441,
                "variance": 547.6449176
              },
              {
                "average": 1.008426955,
                "count": 4389011,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09231119594,
                "variance": 0.008521356895
              },
              {
                "average": 1.01606535,
                "count": 4389011,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1270554896,
                "variance": 0.01614309743
              },
              {
                "average": 1,
                "count": 4389011,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389011,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4389011,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.8436883,
                "count": 4389011,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.190885873,
                "variance": 26.94529614
              },
              {
                "average": 92.7204639,
                "count": 4389011,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 65.07281976,
                "variance": 4234.471871
              },
              {
                "average": 3.277134644,
                "count": 4389011,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.380223278,
                "variance": 5.665462851
              },
              {
                "average": 63608001.48,
                "count": 4389011,
                "maximum": 64090248.91,
                "minimum": 63591926.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 80874.83163,
                "variance": 6540738391
              },
              {
                "average": 0,
                "count": 4389011,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389011,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389011,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389011,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4389011,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.8158,
              2374998.469,
              -15.07946214,
              625999.8358,
              2375998.489,
              -2.559462142
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.8157922142,
                    2374998.468747468,
                    -15.079462142064159
                  ],
                  [
                    624999.8157922142,
                    2375998.4887474678,
                    -15.079462142064159
                  ],
                  [
                    625999.8357922143,
                    2375998.4887474678,
                    -2.559462142064159
                  ],
                  [
                    625999.8357922143,
                    2374998.468747468,
                    -2.559462142064159
                  ],
                  [
                    624999.8157922142,
                    2374998.468747468,
                    -15.079462142064159
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:37:28+00:00",
            "end_time": "2013-09-19T02:12:06+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2354.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81430791044312,
              21.28361348450398,
              4.753138079790235
            ],
            [
              -157.81429654842617,
              21.28503082555284,
              4.753138079790235
            ],
            [
              -157.81209689262016,
              21.28501532165451,
              33.05313807979024
            ],
            [
              -157.8121082756979,
              21.283597981757662,
              33.05313807979024
            ],
            [
              -157.81430791044312,
              21.28361348450398,
              4.753138079790235
            ]
          ]
        ]
      },
      "bbox": [
        -157.8143079,
        21.28359798,
        4.75313808,
        -157.8120969,
        21.28503083,
        33.05313808
      ],
      "properties": {
        "datetime": "2013-09-15T10:50:10Z",
        "pc:count": 94851,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623098.8483,
            "count": 94851,
            "maximum": 623228.014,
            "minimum": 622999.794,
            "name": "X",
            "position": 0,
            "stddev": 61.44467665,
            "variance": 3775.448289
          },
          {
            "average": 2354067.755,
            "count": 94851,
            "maximum": 2354155.342,
            "minimum": 2353998.442,
            "name": "Y",
            "position": 1,
            "stddev": 44.6406663,
            "variance": 1992.789087
          },
          {
            "average": 9.25023131,
            "count": 94851,
            "maximum": 33.05313808,
            "minimum": 4.75313808,
            "name": "Z",
            "position": 2,
            "stddev": 4.984791301,
            "variance": 24.84814431
          },
          {
            "average": 22.22298131,
            "count": 94851,
            "maximum": 888,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 43.11228942,
            "variance": 1858.669499
          },
          {
            "average": 1.32459331,
            "count": 94851,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6352367984,
            "variance": 0.4035257901
          },
          {
            "average": 1.645464992,
            "count": 94851,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9200496008,
            "variance": 0.846491268
          },
          {
            "average": 1,
            "count": 94851,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 94851,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.268600226,
            "count": 94851,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.443233816,
            "variance": 0.1964562156
          },
          {
            "average": 27.35083644,
            "count": 94851,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.950533599,
            "variance": 8.705648519
          },
          {
            "average": 91.33857313,
            "count": 94851,
            "maximum": 192,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.61725003,
            "variance": 4305.623501
          },
          {
            "average": 1,
            "count": 94851,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63277408,
            "count": 94851,
            "maximum": 63277410.49,
            "minimum": 63277405.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.322149478,
            "variance": 1.748079242
          },
          {
            "average": 0,
            "count": 94851,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 94851,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 94851,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 94851,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 94851,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.794,
          2353998.442,
          4.75313808,
          623228.014,
          2354155.342,
          33.05313808
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.7940381487,
                2353998.441523524,
                4.753138079790235
              ],
              [
                622999.7940381487,
                2354155.3415235244,
                4.753138079790235
              ],
              [
                623228.0140381487,
                2354155.3415235244,
                33.05313807979024
              ],
              [
                623228.0140381487,
                2353998.441523524,
                33.05313807979024
              ],
              [
                622999.7940381487,
                2353998.441523524,
                4.753138079790235
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:50:10+00:00",
        "end_time": "2013-09-15T10:50:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2354.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2354.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2354.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2354.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8143079,
            21.28359798,
            4.75313808,
            -157.8120969,
            21.28503083,
            33.05313808
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81430791044312,
                  21.28361348450398,
                  4.753138079790235
                ],
                [
                  -157.81429654842617,
                  21.28503082555284,
                  4.753138079790235
                ],
                [
                  -157.81209689262016,
                  21.28501532165451,
                  33.05313807979024
                ],
                [
                  -157.8121082756979,
                  21.283597981757662,
                  33.05313807979024
                ],
                [
                  -157.81430791044312,
                  21.28361348450398,
                  4.753138079790235
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2354.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2354.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:50:10Z",
            "pc:count": 94851,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623098.8483,
                "count": 94851,
                "maximum": 623228.014,
                "minimum": 622999.794,
                "name": "X",
                "position": 0,
                "stddev": 61.44467665,
                "variance": 3775.448289
              },
              {
                "average": 2354067.755,
                "count": 94851,
                "maximum": 2354155.342,
                "minimum": 2353998.442,
                "name": "Y",
                "position": 1,
                "stddev": 44.6406663,
                "variance": 1992.789087
              },
              {
                "average": 9.25023131,
                "count": 94851,
                "maximum": 33.05313808,
                "minimum": 4.75313808,
                "name": "Z",
                "position": 2,
                "stddev": 4.984791301,
                "variance": 24.84814431
              },
              {
                "average": 22.22298131,
                "count": 94851,
                "maximum": 888,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 43.11228942,
                "variance": 1858.669499
              },
              {
                "average": 1.32459331,
                "count": 94851,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6352367984,
                "variance": 0.4035257901
              },
              {
                "average": 1.645464992,
                "count": 94851,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9200496008,
                "variance": 0.846491268
              },
              {
                "average": 1,
                "count": 94851,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 94851,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.268600226,
                "count": 94851,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.443233816,
                "variance": 0.1964562156
              },
              {
                "average": 27.35083644,
                "count": 94851,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.950533599,
                "variance": 8.705648519
              },
              {
                "average": 91.33857313,
                "count": 94851,
                "maximum": 192,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.61725003,
                "variance": 4305.623501
              },
              {
                "average": 1,
                "count": 94851,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63277408,
                "count": 94851,
                "maximum": 63277410.49,
                "minimum": 63277405.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.322149478,
                "variance": 1.748079242
              },
              {
                "average": 0,
                "count": 94851,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 94851,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 94851,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 94851,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 94851,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.794,
              2353998.442,
              4.75313808,
              623228.014,
              2354155.342,
              33.05313808
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.7940381487,
                    2353998.441523524,
                    4.753138079790235
                  ],
                  [
                    622999.7940381487,
                    2354155.3415235244,
                    4.753138079790235
                  ],
                  [
                    623228.0140381487,
                    2354155.3415235244,
                    33.05313807979024
                  ],
                  [
                    623228.0140381487,
                    2353998.441523524,
                    33.05313807979024
                  ],
                  [
                    622999.7940381487,
                    2353998.441523524,
                    4.753138079790235
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:50:10+00:00",
            "end_time": "2013-09-15T10:50:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2751.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77597935450365,
              21.256237574545946,
              -18.836242527718504
            ],
            [
              -157.7759046853657,
              21.265271055872304,
              -18.836242527718504
            ],
            [
              -157.76626781277656,
              21.26520077159457,
              0.683757472281496
            ],
            [
              -157.76634306948847,
              21.256167322718944,
              0.683757472281496
            ],
            [
              -157.77597935450365,
              21.256237574545946,
              -18.836242527718504
            ]
          ]
        ]
      },
      "bbox": [
        -157.7759794,
        21.25616732,
        -18.83624253,
        -157.7662678,
        21.26527106,
        0.6837574723
      ],
      "properties": {
        "datetime": "2013-09-22T20:16:17Z",
        "pc:count": 9892364,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627545.5319,
            "count": 9892364,
            "maximum": 627999.803,
            "minimum": 626999.803,
            "name": "X",
            "position": 0,
            "stddev": 296.6879856,
            "variance": 88023.76082
          },
          {
            "average": 2351531.895,
            "count": 9892364,
            "maximum": 2351998.443,
            "minimum": 2350998.423,
            "name": "Y",
            "position": 1,
            "stddev": 285.3602498,
            "variance": 81430.47216
          },
          {
            "average": -12.37975318,
            "count": 9892364,
            "maximum": 0.6837574723,
            "minimum": -18.83624253,
            "name": "Z",
            "position": 2,
            "stddev": 3.031541098,
            "variance": 9.190241431
          },
          {
            "average": 52.35819274,
            "count": 9892364,
            "maximum": 5579,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 116.6542938,
            "variance": 13608.22426
          },
          {
            "average": 1.004668753,
            "count": 9892364,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06934768264,
            "variance": 0.004809101088
          },
          {
            "average": 1.007467881,
            "count": 9892364,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08745661151,
            "variance": 0.007648658897
          },
          {
            "average": 1,
            "count": 9892364,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9892364,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 9892364,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.16025628,
            "count": 9892364,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.454140828,
            "variance": 19.83937051
          },
          {
            "average": 102.8047115,
            "count": 9892364,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 73.47842591,
            "variance": 5399.079074
          },
          {
            "average": 7.157667773,
            "count": 9892364,
            "maximum": 15,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.069391064,
            "variance": 9.421161503
          },
          {
            "average": 63496075.38,
            "count": 9892364,
            "maximum": 63916177.82,
            "minimum": 63378582.07,
            "name": "GpsTime",
            "position": 12,
            "stddev": 220454.1359,
            "variance": 48600026030.0
          },
          {
            "average": 0,
            "count": 9892364,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9892364,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9892364,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9892364,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9892364,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.803,
          2350998.423,
          -18.83624253,
          627999.803,
          2351998.443,
          0.6837574723
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.8030202586,
                2350998.423414754,
                -18.836242527718504
              ],
              [
                626999.8030202586,
                2351998.443414754,
                -18.836242527718504
              ],
              [
                627999.8030202586,
                2351998.443414754,
                0.683757472281496
              ],
              [
                627999.8030202586,
                2350998.423414754,
                0.683757472281496
              ],
              [
                626999.8030202586,
                2350998.423414754,
                -18.836242527718504
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:16:17+00:00",
        "end_time": "2013-09-16T14:56:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2751.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2751.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2751.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2751.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7759794,
            21.25616732,
            -18.83624253,
            -157.7662678,
            21.26527106,
            0.6837574723
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77597935450365,
                  21.256237574545946,
                  -18.836242527718504
                ],
                [
                  -157.7759046853657,
                  21.265271055872304,
                  -18.836242527718504
                ],
                [
                  -157.76626781277656,
                  21.26520077159457,
                  0.683757472281496
                ],
                [
                  -157.76634306948847,
                  21.256167322718944,
                  0.683757472281496
                ],
                [
                  -157.77597935450365,
                  21.256237574545946,
                  -18.836242527718504
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2751.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2751.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:16:17Z",
            "pc:count": 9892364,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627545.5319,
                "count": 9892364,
                "maximum": 627999.803,
                "minimum": 626999.803,
                "name": "X",
                "position": 0,
                "stddev": 296.6879856,
                "variance": 88023.76082
              },
              {
                "average": 2351531.895,
                "count": 9892364,
                "maximum": 2351998.443,
                "minimum": 2350998.423,
                "name": "Y",
                "position": 1,
                "stddev": 285.3602498,
                "variance": 81430.47216
              },
              {
                "average": -12.37975318,
                "count": 9892364,
                "maximum": 0.6837574723,
                "minimum": -18.83624253,
                "name": "Z",
                "position": 2,
                "stddev": 3.031541098,
                "variance": 9.190241431
              },
              {
                "average": 52.35819274,
                "count": 9892364,
                "maximum": 5579,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 116.6542938,
                "variance": 13608.22426
              },
              {
                "average": 1.004668753,
                "count": 9892364,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06934768264,
                "variance": 0.004809101088
              },
              {
                "average": 1.007467881,
                "count": 9892364,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08745661151,
                "variance": 0.007648658897
              },
              {
                "average": 1,
                "count": 9892364,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9892364,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 9892364,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.16025628,
                "count": 9892364,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.454140828,
                "variance": 19.83937051
              },
              {
                "average": 102.8047115,
                "count": 9892364,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 73.47842591,
                "variance": 5399.079074
              },
              {
                "average": 7.157667773,
                "count": 9892364,
                "maximum": 15,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.069391064,
                "variance": 9.421161503
              },
              {
                "average": 63496075.38,
                "count": 9892364,
                "maximum": 63916177.82,
                "minimum": 63378582.07,
                "name": "GpsTime",
                "position": 12,
                "stddev": 220454.1359,
                "variance": 48600026030.0
              },
              {
                "average": 0,
                "count": 9892364,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9892364,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9892364,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9892364,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9892364,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.803,
              2350998.423,
              -18.83624253,
              627999.803,
              2351998.443,
              0.6837574723
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.8030202586,
                    2350998.423414754,
                    -18.836242527718504
                  ],
                  [
                    626999.8030202586,
                    2351998.443414754,
                    -18.836242527718504
                  ],
                  [
                    627999.8030202586,
                    2351998.443414754,
                    0.683757472281496
                  ],
                  [
                    627999.8030202586,
                    2350998.423414754,
                    0.683757472281496
                  ],
                  [
                    626999.8030202586,
                    2350998.423414754,
                    -18.836242527718504
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:16:17+00:00",
            "end_time": "2013-09-16T14:56:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2081.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84130169952968,
              21.52771566627012,
              -5.355632715943415
            ],
            [
              -157.84123003083604,
              21.536748887237515,
              -5.355632715943415
            ],
            [
              -157.8315751120408,
              21.536681536579195,
              229.2243672840566
            ],
            [
              -157.8316473769222,
              21.527648346892313,
              229.2243672840566
            ],
            [
              -157.84130169952968,
              21.52771566627012,
              -5.355632715943415
            ]
          ]
        ]
      },
      "bbox": [
        -157.8413017,
        21.52764835,
        -5.355632716,
        -157.8315751,
        21.53674889,
        229.2243673
      ],
      "properties": {
        "datetime": "2013-09-22T01:05:10Z",
        "pc:count": 6826204,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620580.238,
            "count": 6826204,
            "maximum": 620999.8151,
            "minimum": 619999.8151,
            "name": "X",
            "position": 0,
            "stddev": 262.8635232,
            "variance": 69097.23182
          },
          {
            "average": 2381435.133,
            "count": 6826204,
            "maximum": 2381998.484,
            "minimum": 2380998.484,
            "name": "Y",
            "position": 1,
            "stddev": 284.408851,
            "variance": 80888.39454
          },
          {
            "average": 14.16790557,
            "count": 6826204,
            "maximum": 229.2243673,
            "minimum": -5.355632716,
            "name": "Z",
            "position": 2,
            "stddev": 30.56970344,
            "variance": 934.5067687
          },
          {
            "average": 8.518137753,
            "count": 6826204,
            "maximum": 8651,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.04453231,
            "variance": 843.5848573
          },
          {
            "average": 1.273576061,
            "count": 6826204,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6843141738,
            "variance": 0.4682858885
          },
          {
            "average": 1.546526591,
            "count": 6826204,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.051529497,
            "variance": 1.105714283
          },
          {
            "average": 1,
            "count": 6826204,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6826204,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.7822661,
            "count": 6826204,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.83837601,
            "variance": 191.5006505
          },
          {
            "average": 20.28897054,
            "count": 6826204,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.691940544,
            "variance": 7.246543891
          },
          {
            "average": 89.31542084,
            "count": 6826204,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.62475366,
            "variance": 4847.606323
          },
          {
            "average": 5.109952325,
            "count": 6826204,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.022615287,
            "variance": 9.136203174
          },
          {
            "average": 63828100.6,
            "count": 6826204,
            "maximum": 63847110.8,
            "minimum": 63653235.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 39508.56942,
            "variance": 1560927058
          },
          {
            "average": 0,
            "count": 6826204,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6826204,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6826204,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6826204,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6826204,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.8151,
          2380998.484,
          -5.355632716,
          620999.8151,
          2381998.484,
          229.2243673
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.8151228984,
                2380998.483684412,
                -5.355632715943415
              ],
              [
                619999.8151228984,
                2381998.483684412,
                -5.355632715943415
              ],
              [
                620999.8151228984,
                2381998.483684412,
                229.2243672840566
              ],
              [
                620999.8151228984,
                2380998.483684412,
                229.2243672840566
              ],
              [
                619999.8151228984,
                2380998.483684412,
                -5.355632715943415
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:05:10+00:00",
        "end_time": "2013-09-19T19:13:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2081.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2081.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2081.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2081.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8413017,
            21.52764835,
            -5.355632716,
            -157.8315751,
            21.53674889,
            229.2243673
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84130169952968,
                  21.52771566627012,
                  -5.355632715943415
                ],
                [
                  -157.84123003083604,
                  21.536748887237515,
                  -5.355632715943415
                ],
                [
                  -157.8315751120408,
                  21.536681536579195,
                  229.2243672840566
                ],
                [
                  -157.8316473769222,
                  21.527648346892313,
                  229.2243672840566
                ],
                [
                  -157.84130169952968,
                  21.52771566627012,
                  -5.355632715943415
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2081.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2081.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:05:10Z",
            "pc:count": 6826204,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620580.238,
                "count": 6826204,
                "maximum": 620999.8151,
                "minimum": 619999.8151,
                "name": "X",
                "position": 0,
                "stddev": 262.8635232,
                "variance": 69097.23182
              },
              {
                "average": 2381435.133,
                "count": 6826204,
                "maximum": 2381998.484,
                "minimum": 2380998.484,
                "name": "Y",
                "position": 1,
                "stddev": 284.408851,
                "variance": 80888.39454
              },
              {
                "average": 14.16790557,
                "count": 6826204,
                "maximum": 229.2243673,
                "minimum": -5.355632716,
                "name": "Z",
                "position": 2,
                "stddev": 30.56970344,
                "variance": 934.5067687
              },
              {
                "average": 8.518137753,
                "count": 6826204,
                "maximum": 8651,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.04453231,
                "variance": 843.5848573
              },
              {
                "average": 1.273576061,
                "count": 6826204,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6843141738,
                "variance": 0.4682858885
              },
              {
                "average": 1.546526591,
                "count": 6826204,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.051529497,
                "variance": 1.105714283
              },
              {
                "average": 1,
                "count": 6826204,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6826204,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.7822661,
                "count": 6826204,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.83837601,
                "variance": 191.5006505
              },
              {
                "average": 20.28897054,
                "count": 6826204,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.691940544,
                "variance": 7.246543891
              },
              {
                "average": 89.31542084,
                "count": 6826204,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.62475366,
                "variance": 4847.606323
              },
              {
                "average": 5.109952325,
                "count": 6826204,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.022615287,
                "variance": 9.136203174
              },
              {
                "average": 63828100.6,
                "count": 6826204,
                "maximum": 63847110.8,
                "minimum": 63653235.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 39508.56942,
                "variance": 1560927058
              },
              {
                "average": 0,
                "count": 6826204,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6826204,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6826204,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6826204,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6826204,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.8151,
              2380998.484,
              -5.355632716,
              620999.8151,
              2381998.484,
              229.2243673
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.8151228984,
                    2380998.483684412,
                    -5.355632715943415
                  ],
                  [
                    619999.8151228984,
                    2381998.483684412,
                    -5.355632715943415
                  ],
                  [
                    620999.8151228984,
                    2381998.483684412,
                    229.2243672840566
                  ],
                  [
                    620999.8151228984,
                    2380998.483684412,
                    229.2243672840566
                  ],
                  [
                    619999.8151228984,
                    2380998.483684412,
                    -5.355632715943415
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:05:10+00:00",
            "end_time": "2013-09-19T19:13:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2369.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81238942688958,
              21.42030763472786,
              0.128561249656876
            ],
            [
              -157.81232608437102,
              21.428141082098414,
              0.128561249656876
            ],
            [
              -157.80349656131474,
              21.428078234360648,
              49.488561249656875
            ],
            [
              -157.8035603820098,
              21.42024481235176,
              49.488561249656875
            ],
            [
              -157.81238942688958,
              21.42030763472786,
              0.128561249656876
            ]
          ]
        ]
      },
      "bbox": [
        -157.8123894,
        21.42024481,
        0.1285612497,
        -157.8034966,
        21.42814108,
        49.48856125
      ],
      "properties": {
        "datetime": "2013-09-21T00:51:18Z",
        "pc:count": 2174285,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623702.3011,
            "count": 2174285,
            "maximum": 623999.8219,
            "minimum": 623084.6219,
            "name": "X",
            "position": 0,
            "stddev": 216.8575774,
            "variance": 47027.20886
          },
          {
            "average": 2369718.231,
            "count": 2174285,
            "maximum": 2369998.471,
            "minimum": 2369131.291,
            "name": "Y",
            "position": 1,
            "stddev": 205.5132121,
            "variance": 42235.68036
          },
          {
            "average": 24.179738,
            "count": 2174285,
            "maximum": 49.48856125,
            "minimum": 0.1285612497,
            "name": "Z",
            "position": 2,
            "stddev": 7.121270363,
            "variance": 50.71249158
          },
          {
            "average": 26.75775899,
            "count": 2174285,
            "maximum": 883,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 43.25132174,
            "variance": 1870.676833
          },
          {
            "average": 1.295177495,
            "count": 2174285,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6615260717,
            "variance": 0.4376167435
          },
          {
            "average": 1.591180549,
            "count": 2174285,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9944370635,
            "variance": 0.9889050732
          },
          {
            "average": 1,
            "count": 2174285,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2174285,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.266645357,
            "count": 2174285,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.6685306902,
            "variance": 0.4469332837
          },
          {
            "average": 19.95078183,
            "count": 2174285,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.068865694,
            "variance": 4.28020526
          },
          {
            "average": 91.67349634,
            "count": 2174285,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.82794856,
            "variance": 4202.662914
          },
          {
            "average": 4.401653417,
            "count": 2174285,
            "maximum": 5,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7638978299,
            "variance": 0.5835398945
          },
          {
            "average": 63759557,
            "count": 2174285,
            "maximum": 63759878.74,
            "minimum": 63758235.18,
            "name": "GpsTime",
            "position": 12,
            "stddev": 418.4649942,
            "variance": 175112.9513
          },
          {
            "average": 0,
            "count": 2174285,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2174285,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2174285,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2174285,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2174285,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623084.6219,
          2369131.291,
          0.1285612497,
          623999.8219,
          2369998.471,
          49.48856125
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623084.6219185025,
                2369131.2907049283,
                0.128561249656876
              ],
              [
                623084.6219185025,
                2369998.470704928,
                0.128561249656876
              ],
              [
                623999.8219185024,
                2369998.470704928,
                49.488561249656875
              ],
              [
                623999.8219185024,
                2369131.2907049283,
                49.488561249656875
              ],
              [
                623084.6219185025,
                2369131.2907049283,
                0.128561249656876
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:51:18+00:00",
        "end_time": "2013-09-21T00:23:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2369.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2369.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2369.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2369.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8123894,
            21.42024481,
            0.1285612497,
            -157.8034966,
            21.42814108,
            49.48856125
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81238942688958,
                  21.42030763472786,
                  0.128561249656876
                ],
                [
                  -157.81232608437102,
                  21.428141082098414,
                  0.128561249656876
                ],
                [
                  -157.80349656131474,
                  21.428078234360648,
                  49.488561249656875
                ],
                [
                  -157.8035603820098,
                  21.42024481235176,
                  49.488561249656875
                ],
                [
                  -157.81238942688958,
                  21.42030763472786,
                  0.128561249656876
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2369.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2369.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:51:18Z",
            "pc:count": 2174285,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623702.3011,
                "count": 2174285,
                "maximum": 623999.8219,
                "minimum": 623084.6219,
                "name": "X",
                "position": 0,
                "stddev": 216.8575774,
                "variance": 47027.20886
              },
              {
                "average": 2369718.231,
                "count": 2174285,
                "maximum": 2369998.471,
                "minimum": 2369131.291,
                "name": "Y",
                "position": 1,
                "stddev": 205.5132121,
                "variance": 42235.68036
              },
              {
                "average": 24.179738,
                "count": 2174285,
                "maximum": 49.48856125,
                "minimum": 0.1285612497,
                "name": "Z",
                "position": 2,
                "stddev": 7.121270363,
                "variance": 50.71249158
              },
              {
                "average": 26.75775899,
                "count": 2174285,
                "maximum": 883,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 43.25132174,
                "variance": 1870.676833
              },
              {
                "average": 1.295177495,
                "count": 2174285,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6615260717,
                "variance": 0.4376167435
              },
              {
                "average": 1.591180549,
                "count": 2174285,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9944370635,
                "variance": 0.9889050732
              },
              {
                "average": 1,
                "count": 2174285,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2174285,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.266645357,
                "count": 2174285,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.6685306902,
                "variance": 0.4469332837
              },
              {
                "average": 19.95078183,
                "count": 2174285,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.068865694,
                "variance": 4.28020526
              },
              {
                "average": 91.67349634,
                "count": 2174285,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.82794856,
                "variance": 4202.662914
              },
              {
                "average": 4.401653417,
                "count": 2174285,
                "maximum": 5,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7638978299,
                "variance": 0.5835398945
              },
              {
                "average": 63759557,
                "count": 2174285,
                "maximum": 63759878.74,
                "minimum": 63758235.18,
                "name": "GpsTime",
                "position": 12,
                "stddev": 418.4649942,
                "variance": 175112.9513
              },
              {
                "average": 0,
                "count": 2174285,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2174285,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2174285,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2174285,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2174285,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623084.6219,
              2369131.291,
              0.1285612497,
              623999.8219,
              2369998.471,
              49.48856125
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623084.6219185025,
                    2369131.2907049283,
                    0.128561249656876
                  ],
                  [
                    623084.6219185025,
                    2369998.470704928,
                    0.128561249656876
                  ],
                  [
                    623999.8219185024,
                    2369998.470704928,
                    49.488561249656875
                  ],
                  [
                    623999.8219185024,
                    2369131.2907049283,
                    49.488561249656875
                  ],
                  [
                    623084.6219185025,
                    2369131.2907049283,
                    0.128561249656876
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:51:18+00:00",
            "end_time": "2013-09-21T00:23:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1983.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8508139769839,
              21.545848925723316,
              -9.958388812432993
            ],
            [
              -157.8507428285718,
              21.55488215824651,
              -9.958388812432993
            ],
            [
              -157.84108667985865,
              21.55481530400902,
              82.04161118756701
            ],
            [
              -157.84115842526114,
              21.54578210249382,
              82.04161118756701
            ],
            [
              -157.8508139769839,
              21.545848925723316,
              -9.958388812432993
            ]
          ]
        ]
      },
      "bbox": [
        -157.850814,
        21.5457821,
        -9.958388812,
        -157.8410867,
        21.55488216,
        82.04161119
      ],
      "properties": {
        "datetime": "2013-09-22T01:04:44Z",
        "pc:count": 4422098,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619438.0885,
            "count": 4422098,
            "maximum": 619999.8046,
            "minimum": 618999.8046,
            "name": "X",
            "position": 0,
            "stddev": 293.4861884,
            "variance": 86134.14277
          },
          {
            "average": 2383470.988,
            "count": 4422098,
            "maximum": 2383998.484,
            "minimum": 2382998.484,
            "name": "Y",
            "position": 1,
            "stddev": 288.835682,
            "variance": 83426.05117
          },
          {
            "average": 6.350248554,
            "count": 4422098,
            "maximum": 82.04161119,
            "minimum": -9.958388812,
            "name": "Z",
            "position": 2,
            "stddev": 15.02244535,
            "variance": 225.6738643
          },
          {
            "average": 15.74983571,
            "count": 4422098,
            "maximum": 8843,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.75415595,
            "variance": 1743.409539
          },
          {
            "average": 1.172262578,
            "count": 4422098,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5201995463,
            "variance": 0.2706075679
          },
          {
            "average": 1.342671736,
            "count": 4422098,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.790571603,
            "variance": 0.6250034595
          },
          {
            "average": 1,
            "count": 4422098,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4422098,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.23027305,
            "count": 4422098,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.8753054,
            "variance": 192.5241
          },
          {
            "average": 20.10874134,
            "count": 4422098,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.347707809,
            "variance": 5.511731956
          },
          {
            "average": 90.36215683,
            "count": 4422098,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.71395232,
            "variance": 4721.607243
          },
          {
            "average": 3.168696623,
            "count": 4422098,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.623553792,
            "variance": 2.635926914
          },
          {
            "average": 63842623.17,
            "count": 4422098,
            "maximum": 63847084.46,
            "minimum": 63831558.55,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5460.813625,
            "variance": 29820485.44
          },
          {
            "average": 0,
            "count": 4422098,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4422098,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4422098,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4422098,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4422098,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.8046,
          2382998.484,
          -9.958388812,
          619999.8046,
          2383998.484,
          82.04161119
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.8046111537,
                2382998.484050655,
                -9.958388812432993
              ],
              [
                618999.8046111537,
                2383998.484050655,
                -9.958388812432993
              ],
              [
                619999.8046111537,
                2383998.484050655,
                82.04161118756701
              ],
              [
                619999.8046111537,
                2382998.484050655,
                82.04161118756701
              ],
              [
                618999.8046111537,
                2382998.484050655,
                -9.958388812432993
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:04:44+00:00",
        "end_time": "2013-09-21T20:45:58+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1983.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1983.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1983.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1983.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.850814,
            21.5457821,
            -9.958388812,
            -157.8410867,
            21.55488216,
            82.04161119
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8508139769839,
                  21.545848925723316,
                  -9.958388812432993
                ],
                [
                  -157.8507428285718,
                  21.55488215824651,
                  -9.958388812432993
                ],
                [
                  -157.84108667985865,
                  21.55481530400902,
                  82.04161118756701
                ],
                [
                  -157.84115842526114,
                  21.54578210249382,
                  82.04161118756701
                ],
                [
                  -157.8508139769839,
                  21.545848925723316,
                  -9.958388812432993
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1983.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1983.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:04:44Z",
            "pc:count": 4422098,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619438.0885,
                "count": 4422098,
                "maximum": 619999.8046,
                "minimum": 618999.8046,
                "name": "X",
                "position": 0,
                "stddev": 293.4861884,
                "variance": 86134.14277
              },
              {
                "average": 2383470.988,
                "count": 4422098,
                "maximum": 2383998.484,
                "minimum": 2382998.484,
                "name": "Y",
                "position": 1,
                "stddev": 288.835682,
                "variance": 83426.05117
              },
              {
                "average": 6.350248554,
                "count": 4422098,
                "maximum": 82.04161119,
                "minimum": -9.958388812,
                "name": "Z",
                "position": 2,
                "stddev": 15.02244535,
                "variance": 225.6738643
              },
              {
                "average": 15.74983571,
                "count": 4422098,
                "maximum": 8843,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.75415595,
                "variance": 1743.409539
              },
              {
                "average": 1.172262578,
                "count": 4422098,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5201995463,
                "variance": 0.2706075679
              },
              {
                "average": 1.342671736,
                "count": 4422098,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.790571603,
                "variance": 0.6250034595
              },
              {
                "average": 1,
                "count": 4422098,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4422098,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.23027305,
                "count": 4422098,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.8753054,
                "variance": 192.5241
              },
              {
                "average": 20.10874134,
                "count": 4422098,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.347707809,
                "variance": 5.511731956
              },
              {
                "average": 90.36215683,
                "count": 4422098,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.71395232,
                "variance": 4721.607243
              },
              {
                "average": 3.168696623,
                "count": 4422098,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.623553792,
                "variance": 2.635926914
              },
              {
                "average": 63842623.17,
                "count": 4422098,
                "maximum": 63847084.46,
                "minimum": 63831558.55,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5460.813625,
                "variance": 29820485.44
              },
              {
                "average": 0,
                "count": 4422098,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4422098,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4422098,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4422098,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4422098,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.8046,
              2382998.484,
              -9.958388812,
              619999.8046,
              2383998.484,
              82.04161119
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.8046111537,
                    2382998.484050655,
                    -9.958388812432993
                  ],
                  [
                    618999.8046111537,
                    2383998.484050655,
                    -9.958388812432993
                  ],
                  [
                    619999.8046111537,
                    2383998.484050655,
                    82.04161118756701
                  ],
                  [
                    619999.8046111537,
                    2382998.484050655,
                    82.04161118756701
                  ],
                  [
                    618999.8046111537,
                    2382998.484050655,
                    -9.958388812432993
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:04:44+00:00",
            "end_time": "2013-09-21T20:45:58+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2576.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7934029949193,
              21.48220802294134,
              -32.197334478891946
            ],
            [
              -157.79332854123916,
              21.491241134770483,
              -32.197334478891946
            ],
            [
              -157.78367681129907,
              21.49117114891237,
              -6.797334478891942
            ],
            [
              -157.78375186359096,
              21.482138068785876,
              -6.797334478891942
            ],
            [
              -157.7934029949193,
              21.48220802294134,
              -32.197334478891946
            ]
          ]
        ]
      },
      "bbox": [
        -157.793403,
        21.48213807,
        -32.19733448,
        -157.7836768,
        21.49124113,
        -6.797334479
      ],
      "properties": {
        "datetime": "2013-09-24T20:37:28Z",
        "pc:count": 2846711,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625378.0403,
            "count": 2846711,
            "maximum": 625999.8283,
            "minimum": 624999.8283,
            "name": "X",
            "position": 0,
            "stddev": 256.9752157,
            "variance": 66036.26146
          },
          {
            "average": 2376392.917,
            "count": 2846711,
            "maximum": 2376998.483,
            "minimum": 2375998.483,
            "name": "Y",
            "position": 1,
            "stddev": 271.5843945,
            "variance": 73758.08332
          },
          {
            "average": -12.16094134,
            "count": 2846711,
            "maximum": -6.797334479,
            "minimum": -32.19733448,
            "name": "Z",
            "position": 2,
            "stddev": 2.380982314,
            "variance": 5.669076778
          },
          {
            "average": 27.30950701,
            "count": 2846711,
            "maximum": 5304,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 52.55285906,
            "variance": 2761.802995
          },
          {
            "average": 1.003678983,
            "count": 2846711,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06084969071,
            "variance": 0.003702684859
          },
          {
            "average": 1.00680329,
            "count": 2846711,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0825889878,
            "variance": 0.006820940906
          },
          {
            "average": 1,
            "count": 2846711,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2846711,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2846711,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.03633882,
            "count": 2846711,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.055916413,
            "variance": 82.00962208
          },
          {
            "average": 119.0324276,
            "count": 2846711,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 81.13281916,
            "variance": 6582.534344
          },
          {
            "average": 5.06630248,
            "count": 2846711,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.367510151,
            "variance": 19.07514492
          },
          {
            "average": 63732933.34,
            "count": 2846711,
            "maximum": 64090248.9,
            "minimum": 63592281.71,
            "name": "GpsTime",
            "position": 12,
            "stddev": 183811.8143,
            "variance": 33786783090.0
          },
          {
            "average": 0,
            "count": 2846711,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2846711,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2846711,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2846711,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2846711,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.8283,
          2375998.483,
          -32.19733448,
          625999.8283,
          2376998.483,
          -6.797334479
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.8282784272,
                2375998.4834443927,
                -32.197334478891946
              ],
              [
                624999.8282784272,
                2376998.4834443927,
                -32.197334478891946
              ],
              [
                625999.8282784272,
                2376998.4834443927,
                -6.797334478891942
              ],
              [
                625999.8282784272,
                2375998.4834443927,
                -6.797334478891942
              ],
              [
                624999.8282784272,
                2375998.4834443927,
                -32.197334478891946
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:37:28+00:00",
        "end_time": "2013-09-19T02:18:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2576.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2576.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2576.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2576.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.793403,
            21.48213807,
            -32.19733448,
            -157.7836768,
            21.49124113,
            -6.797334479
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7934029949193,
                  21.48220802294134,
                  -32.197334478891946
                ],
                [
                  -157.79332854123916,
                  21.491241134770483,
                  -32.197334478891946
                ],
                [
                  -157.78367681129907,
                  21.49117114891237,
                  -6.797334478891942
                ],
                [
                  -157.78375186359096,
                  21.482138068785876,
                  -6.797334478891942
                ],
                [
                  -157.7934029949193,
                  21.48220802294134,
                  -32.197334478891946
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2576.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2576.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:37:28Z",
            "pc:count": 2846711,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625378.0403,
                "count": 2846711,
                "maximum": 625999.8283,
                "minimum": 624999.8283,
                "name": "X",
                "position": 0,
                "stddev": 256.9752157,
                "variance": 66036.26146
              },
              {
                "average": 2376392.917,
                "count": 2846711,
                "maximum": 2376998.483,
                "minimum": 2375998.483,
                "name": "Y",
                "position": 1,
                "stddev": 271.5843945,
                "variance": 73758.08332
              },
              {
                "average": -12.16094134,
                "count": 2846711,
                "maximum": -6.797334479,
                "minimum": -32.19733448,
                "name": "Z",
                "position": 2,
                "stddev": 2.380982314,
                "variance": 5.669076778
              },
              {
                "average": 27.30950701,
                "count": 2846711,
                "maximum": 5304,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 52.55285906,
                "variance": 2761.802995
              },
              {
                "average": 1.003678983,
                "count": 2846711,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06084969071,
                "variance": 0.003702684859
              },
              {
                "average": 1.00680329,
                "count": 2846711,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0825889878,
                "variance": 0.006820940906
              },
              {
                "average": 1,
                "count": 2846711,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2846711,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2846711,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.03633882,
                "count": 2846711,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.055916413,
                "variance": 82.00962208
              },
              {
                "average": 119.0324276,
                "count": 2846711,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 81.13281916,
                "variance": 6582.534344
              },
              {
                "average": 5.06630248,
                "count": 2846711,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.367510151,
                "variance": 19.07514492
              },
              {
                "average": 63732933.34,
                "count": 2846711,
                "maximum": 64090248.9,
                "minimum": 63592281.71,
                "name": "GpsTime",
                "position": 12,
                "stddev": 183811.8143,
                "variance": 33786783090.0
              },
              {
                "average": 0,
                "count": 2846711,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2846711,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2846711,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2846711,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2846711,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.8283,
              2375998.483,
              -32.19733448,
              625999.8283,
              2376998.483,
              -6.797334479
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.8282784272,
                    2375998.4834443927,
                    -32.197334478891946
                  ],
                  [
                    624999.8282784272,
                    2376998.4834443927,
                    -32.197334478891946
                  ],
                  [
                    625999.8282784272,
                    2376998.4834443927,
                    -6.797334478891942
                  ],
                  [
                    625999.8282784272,
                    2375998.4834443927,
                    -6.797334478891942
                  ],
                  [
                    624999.8282784272,
                    2375998.4834443927,
                    -32.197334478891946
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:37:28+00:00",
            "end_time": "2013-09-19T02:18:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2476.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.80305429551967,
              21.482277427469345,
              -13.557674383442222
            ],
            [
              -157.80298043939453,
              21.49131057095368,
              -13.557674383442222
            ],
            [
              -157.79332847185515,
              21.491241142350457,
              -4.717674383442223
            ],
            [
              -157.7934029255396,
              21.482208030521544,
              -4.717674383442223
            ],
            [
              -157.80305429551967,
              21.482277427469345,
              -13.557674383442222
            ]
          ]
        ]
      },
      "bbox": [
        -157.8030543,
        21.48220803,
        -13.55767438,
        -157.7933285,
        21.49131057,
        -4.717674383
      ],
      "properties": {
        "datetime": "2013-09-24T20:37:19Z",
        "pc:count": 4230668,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624503.4224,
            "count": 4230668,
            "maximum": 624999.8355,
            "minimum": 623999.8155,
            "name": "X",
            "position": 0,
            "stddev": 280.9273906,
            "variance": 78920.19881
          },
          {
            "average": 2376493.778,
            "count": 4230668,
            "maximum": 2376998.484,
            "minimum": 2375998.484,
            "name": "Y",
            "position": 1,
            "stddev": 284.1307707,
            "variance": 80730.29484
          },
          {
            "average": -8.490341005,
            "count": 4230668,
            "maximum": -4.717674383,
            "minimum": -13.55767438,
            "name": "Z",
            "position": 2,
            "stddev": 1.455766351,
            "variance": 2.119255669
          },
          {
            "average": 8.238177044,
            "count": 4230668,
            "maximum": 2542,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.58754303,
            "variance": 383.6718421
          },
          {
            "average": 1.005072012,
            "count": 4230668,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07130955564,
            "variance": 0.005085052726
          },
          {
            "average": 1.009468245,
            "count": 4230668,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09732523594,
            "variance": 0.009472201551
          },
          {
            "average": 1,
            "count": 4230668,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4230668,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4230668,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.99780569,
            "count": 4230668,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.255910081,
            "variance": 39.13641095
          },
          {
            "average": 97.69276625,
            "count": 4230668,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 68.30262951,
            "variance": 4665.249198
          },
          {
            "average": 4.731754891,
            "count": 4230668,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.215110882,
            "variance": 17.76715975
          },
          {
            "average": 63688889.4,
            "count": 4230668,
            "maximum": 64090239.21,
            "minimum": 63591946.88,
            "name": "GpsTime",
            "position": 12,
            "stddev": 191585.7847,
            "variance": 36705112900.0
          },
          {
            "average": 0,
            "count": 4230668,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4230668,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4230668,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4230668,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4230668,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.8155,
          2375998.484,
          -13.55767438,
          624999.8355,
          2376998.484,
          -4.717674383
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.8154602738,
                2375998.4843389457,
                -13.557674383442222
              ],
              [
                623999.8154602738,
                2376998.4843389457,
                -13.557674383442222
              ],
              [
                624999.8354602738,
                2376998.4843389457,
                -4.717674383442223
              ],
              [
                624999.8354602738,
                2375998.4843389457,
                -4.717674383442223
              ],
              [
                623999.8154602738,
                2375998.4843389457,
                -13.557674383442222
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:37:19+00:00",
        "end_time": "2013-09-19T02:12:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2476.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2476.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2476.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2476.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8030543,
            21.48220803,
            -13.55767438,
            -157.7933285,
            21.49131057,
            -4.717674383
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.80305429551967,
                  21.482277427469345,
                  -13.557674383442222
                ],
                [
                  -157.80298043939453,
                  21.49131057095368,
                  -13.557674383442222
                ],
                [
                  -157.79332847185515,
                  21.491241142350457,
                  -4.717674383442223
                ],
                [
                  -157.7934029255396,
                  21.482208030521544,
                  -4.717674383442223
                ],
                [
                  -157.80305429551967,
                  21.482277427469345,
                  -13.557674383442222
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2476.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2476.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:37:19Z",
            "pc:count": 4230668,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624503.4224,
                "count": 4230668,
                "maximum": 624999.8355,
                "minimum": 623999.8155,
                "name": "X",
                "position": 0,
                "stddev": 280.9273906,
                "variance": 78920.19881
              },
              {
                "average": 2376493.778,
                "count": 4230668,
                "maximum": 2376998.484,
                "minimum": 2375998.484,
                "name": "Y",
                "position": 1,
                "stddev": 284.1307707,
                "variance": 80730.29484
              },
              {
                "average": -8.490341005,
                "count": 4230668,
                "maximum": -4.717674383,
                "minimum": -13.55767438,
                "name": "Z",
                "position": 2,
                "stddev": 1.455766351,
                "variance": 2.119255669
              },
              {
                "average": 8.238177044,
                "count": 4230668,
                "maximum": 2542,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.58754303,
                "variance": 383.6718421
              },
              {
                "average": 1.005072012,
                "count": 4230668,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07130955564,
                "variance": 0.005085052726
              },
              {
                "average": 1.009468245,
                "count": 4230668,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09732523594,
                "variance": 0.009472201551
              },
              {
                "average": 1,
                "count": 4230668,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4230668,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4230668,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.99780569,
                "count": 4230668,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.255910081,
                "variance": 39.13641095
              },
              {
                "average": 97.69276625,
                "count": 4230668,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 68.30262951,
                "variance": 4665.249198
              },
              {
                "average": 4.731754891,
                "count": 4230668,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.215110882,
                "variance": 17.76715975
              },
              {
                "average": 63688889.4,
                "count": 4230668,
                "maximum": 64090239.21,
                "minimum": 63591946.88,
                "name": "GpsTime",
                "position": 12,
                "stddev": 191585.7847,
                "variance": 36705112900.0
              },
              {
                "average": 0,
                "count": 4230668,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4230668,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4230668,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4230668,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4230668,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.8155,
              2375998.484,
              -13.55767438,
              624999.8355,
              2376998.484,
              -4.717674383
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.8154602738,
                    2375998.4843389457,
                    -13.557674383442222
                  ],
                  [
                    623999.8154602738,
                    2376998.4843389457,
                    -13.557674383442222
                  ],
                  [
                    624999.8354602738,
                    2376998.4843389457,
                    -4.717674383442223
                  ],
                  [
                    624999.8354602738,
                    2375998.4843389457,
                    -4.717674383442223
                  ],
                  [
                    623999.8154602738,
                    2375998.4843389457,
                    -13.557674383442222
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:37:19+00:00",
            "end_time": "2013-09-19T02:12:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2577.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7933285388474,
              21.491241180169926,
              -43.156707399780636
            ],
            [
              -157.79325404591137,
              21.500274282110762,
              -43.156707399780636
            ],
            [
              -157.78360171748312,
              21.500204264476157,
              -10.236707399780634
            ],
            [
              -157.78367680890432,
              21.491171194311548,
              -10.236707399780634
            ],
            [
              -157.7933285388474,
              21.491241180169926,
              -43.156707399780636
            ]
          ]
        ]
      },
      "bbox": [
        -157.7933285,
        21.49117119,
        -43.1567074,
        -157.7836017,
        21.50027428,
        -10.2367074
      ],
      "properties": {
        "datetime": "2013-09-21T02:23:52Z",
        "pc:count": 696746,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625365.8033,
            "count": 696746,
            "maximum": 625999.8285,
            "minimum": 624999.8285,
            "name": "X",
            "position": 0,
            "stddev": 255.2916718,
            "variance": 65173.83771
          },
          {
            "average": 2377388.079,
            "count": 696746,
            "maximum": 2377998.488,
            "minimum": 2376998.488,
            "name": "Y",
            "position": 1,
            "stddev": 276.6978649,
            "variance": 76561.70844
          },
          {
            "average": -21.42874819,
            "count": 696746,
            "maximum": -10.2367074,
            "minimum": -43.1567074,
            "name": "Z",
            "position": 2,
            "stddev": 7.686325731,
            "variance": 59.07960324
          },
          {
            "average": 210.7493864,
            "count": 696746,
            "maximum": 1283,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 182.2048717,
            "variance": 33198.61529
          },
          {
            "average": 1.001165418,
            "count": 696746,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03416037895,
            "variance": 0.00116693149
          },
          {
            "average": 1.001705069,
            "count": 696746,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0417758487,
            "variance": 0.001745221534
          },
          {
            "average": 1,
            "count": 696746,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 696746,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 696746,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.75273819,
            "count": 696746,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.745043364,
            "variance": 94.96587017
          },
          {
            "average": 224.3030947,
            "count": 696746,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 58.6078775,
            "variance": 3434.883305
          },
          {
            "average": 10.16853057,
            "count": 696746,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.257958142,
            "variance": 39.16204011
          },
          {
            "average": 63735780.43,
            "count": 696746,
            "maximum": 63765432.83,
            "minimum": 63653323.96,
            "name": "GpsTime",
            "position": 12,
            "stddev": 47245.82937,
            "variance": 2232168393
          },
          {
            "average": 0,
            "count": 696746,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 696746,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 696746,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 696746,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 696746,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.8285,
          2376998.488,
          -43.1567074,
          625999.8285,
          2377998.488,
          -10.2367074
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.8284874398,
                2376998.4884719006,
                -43.156707399780636
              ],
              [
                624999.8284874398,
                2377998.4884719006,
                -43.156707399780636
              ],
              [
                625999.8284874398,
                2377998.4884719006,
                -10.236707399780634
              ],
              [
                625999.8284874398,
                2376998.4884719006,
                -10.236707399780634
              ],
              [
                624999.8284874398,
                2376998.4884719006,
                -43.156707399780636
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:23:52+00:00",
        "end_time": "2013-09-19T19:15:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2577.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2577.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2577.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2577.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7933285,
            21.49117119,
            -43.1567074,
            -157.7836017,
            21.50027428,
            -10.2367074
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7933285388474,
                  21.491241180169926,
                  -43.156707399780636
                ],
                [
                  -157.79325404591137,
                  21.500274282110762,
                  -43.156707399780636
                ],
                [
                  -157.78360171748312,
                  21.500204264476157,
                  -10.236707399780634
                ],
                [
                  -157.78367680890432,
                  21.491171194311548,
                  -10.236707399780634
                ],
                [
                  -157.7933285388474,
                  21.491241180169926,
                  -43.156707399780636
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2577.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2577.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:23:52Z",
            "pc:count": 696746,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625365.8033,
                "count": 696746,
                "maximum": 625999.8285,
                "minimum": 624999.8285,
                "name": "X",
                "position": 0,
                "stddev": 255.2916718,
                "variance": 65173.83771
              },
              {
                "average": 2377388.079,
                "count": 696746,
                "maximum": 2377998.488,
                "minimum": 2376998.488,
                "name": "Y",
                "position": 1,
                "stddev": 276.6978649,
                "variance": 76561.70844
              },
              {
                "average": -21.42874819,
                "count": 696746,
                "maximum": -10.2367074,
                "minimum": -43.1567074,
                "name": "Z",
                "position": 2,
                "stddev": 7.686325731,
                "variance": 59.07960324
              },
              {
                "average": 210.7493864,
                "count": 696746,
                "maximum": 1283,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 182.2048717,
                "variance": 33198.61529
              },
              {
                "average": 1.001165418,
                "count": 696746,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03416037895,
                "variance": 0.00116693149
              },
              {
                "average": 1.001705069,
                "count": 696746,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0417758487,
                "variance": 0.001745221534
              },
              {
                "average": 1,
                "count": 696746,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 696746,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 696746,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.75273819,
                "count": 696746,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.745043364,
                "variance": 94.96587017
              },
              {
                "average": 224.3030947,
                "count": 696746,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 58.6078775,
                "variance": 3434.883305
              },
              {
                "average": 10.16853057,
                "count": 696746,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.257958142,
                "variance": 39.16204011
              },
              {
                "average": 63735780.43,
                "count": 696746,
                "maximum": 63765432.83,
                "minimum": 63653323.96,
                "name": "GpsTime",
                "position": 12,
                "stddev": 47245.82937,
                "variance": 2232168393
              },
              {
                "average": 0,
                "count": 696746,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 696746,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 696746,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 696746,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 696746,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.8285,
              2376998.488,
              -43.1567074,
              625999.8285,
              2377998.488,
              -10.2367074
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.8284874398,
                    2376998.4884719006,
                    -43.156707399780636
                  ],
                  [
                    624999.8284874398,
                    2377998.4884719006,
                    -43.156707399780636
                  ],
                  [
                    625999.8284874398,
                    2377998.4884719006,
                    -10.236707399780634
                  ],
                  [
                    625999.8284874398,
                    2376998.4884719006,
                    -10.236707399780634
                  ],
                  [
                    624999.8284874398,
                    2376998.4884719006,
                    -43.156707399780636
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:23:52+00:00",
            "end_time": "2013-09-19T19:15:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2370.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81314432359918,
              21.428146772071635,
              -7.705186719756785
            ],
            [
              -157.8130712902843,
              21.43718018801907,
              -7.705186719756785
            ],
            [
              -157.80342304896604,
              21.437111508894617,
              41.21481328024322
            ],
            [
              -157.80349667820315,
              21.428078124685307,
              41.21481328024322
            ],
            [
              -157.81314432359918,
              21.428146772071635,
              -7.705186719756785
            ]
          ]
        ]
      },
      "bbox": [
        -157.8131443,
        21.42807812,
        -7.70518672,
        -157.803423,
        21.43718019,
        41.21481328
      ],
      "properties": {
        "datetime": "2013-09-21T00:51:03Z",
        "pc:count": 5066823,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623414.089,
            "count": 5066823,
            "maximum": 623999.8099,
            "minimum": 622999.8099,
            "name": "X",
            "position": 0,
            "stddev": 276.0230331,
            "variance": 76188.71483
          },
          {
            "average": 2370467.921,
            "count": 5066823,
            "maximum": 2370998.478,
            "minimum": 2369998.458,
            "name": "Y",
            "position": 1,
            "stddev": 292.463779,
            "variance": 85535.06202
          },
          {
            "average": 10.78669652,
            "count": 5066823,
            "maximum": 41.21481328,
            "minimum": -7.70518672,
            "name": "Z",
            "position": 2,
            "stddev": 8.608414473,
            "variance": 74.10479974
          },
          {
            "average": 12.45904465,
            "count": 5066823,
            "maximum": 4755,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.51805662,
            "variance": 601.1351007
          },
          {
            "average": 1.421999348,
            "count": 5066823,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8386381624,
            "variance": 0.7033139674
          },
          {
            "average": 1.845882124,
            "count": 5066823,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.274280987,
            "variance": 1.623792034
          },
          {
            "average": 1,
            "count": 5066823,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5066823,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.150165696,
            "count": 5066823,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.7016272,
            "variance": 114.5248247
          },
          {
            "average": 19.98857859,
            "count": 5066823,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.966246214,
            "variance": 3.866124175
          },
          {
            "average": 91.10848198,
            "count": 5066823,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.94210727,
            "variance": 4481.245725
          },
          {
            "average": 3.036538083,
            "count": 5066823,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.537818791,
            "variance": 2.364886635
          },
          {
            "average": 63758375.56,
            "count": 5066823,
            "maximum": 63759863.85,
            "minimum": 63744779.42,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2155.92169,
            "variance": 4647998.334
          },
          {
            "average": 0,
            "count": 5066823,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5066823,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5066823,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5066823,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5066823,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8099,
          2369998.458,
          -7.70518672,
          623999.8099,
          2370998.478,
          41.21481328
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8098960596,
                2369998.458471843,
                -7.705186719756785
              ],
              [
                622999.8098960596,
                2370998.4784718426,
                -7.705186719756785
              ],
              [
                623999.8098960596,
                2370998.4784718426,
                41.21481328024322
              ],
              [
                623999.8098960596,
                2369998.458471843,
                41.21481328024322
              ],
              [
                622999.8098960596,
                2369998.458471843,
                -7.705186719756785
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:51:03+00:00",
        "end_time": "2013-09-20T20:39:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2370.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2370.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2370.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2370.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8131443,
            21.42807812,
            -7.70518672,
            -157.803423,
            21.43718019,
            41.21481328
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81314432359918,
                  21.428146772071635,
                  -7.705186719756785
                ],
                [
                  -157.8130712902843,
                  21.43718018801907,
                  -7.705186719756785
                ],
                [
                  -157.80342304896604,
                  21.437111508894617,
                  41.21481328024322
                ],
                [
                  -157.80349667820315,
                  21.428078124685307,
                  41.21481328024322
                ],
                [
                  -157.81314432359918,
                  21.428146772071635,
                  -7.705186719756785
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2370.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2370.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:51:03Z",
            "pc:count": 5066823,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623414.089,
                "count": 5066823,
                "maximum": 623999.8099,
                "minimum": 622999.8099,
                "name": "X",
                "position": 0,
                "stddev": 276.0230331,
                "variance": 76188.71483
              },
              {
                "average": 2370467.921,
                "count": 5066823,
                "maximum": 2370998.478,
                "minimum": 2369998.458,
                "name": "Y",
                "position": 1,
                "stddev": 292.463779,
                "variance": 85535.06202
              },
              {
                "average": 10.78669652,
                "count": 5066823,
                "maximum": 41.21481328,
                "minimum": -7.70518672,
                "name": "Z",
                "position": 2,
                "stddev": 8.608414473,
                "variance": 74.10479974
              },
              {
                "average": 12.45904465,
                "count": 5066823,
                "maximum": 4755,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.51805662,
                "variance": 601.1351007
              },
              {
                "average": 1.421999348,
                "count": 5066823,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8386381624,
                "variance": 0.7033139674
              },
              {
                "average": 1.845882124,
                "count": 5066823,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.274280987,
                "variance": 1.623792034
              },
              {
                "average": 1,
                "count": 5066823,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5066823,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.150165696,
                "count": 5066823,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.7016272,
                "variance": 114.5248247
              },
              {
                "average": 19.98857859,
                "count": 5066823,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.966246214,
                "variance": 3.866124175
              },
              {
                "average": 91.10848198,
                "count": 5066823,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.94210727,
                "variance": 4481.245725
              },
              {
                "average": 3.036538083,
                "count": 5066823,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.537818791,
                "variance": 2.364886635
              },
              {
                "average": 63758375.56,
                "count": 5066823,
                "maximum": 63759863.85,
                "minimum": 63744779.42,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2155.92169,
                "variance": 4647998.334
              },
              {
                "average": 0,
                "count": 5066823,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5066823,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5066823,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5066823,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5066823,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8099,
              2369998.458,
              -7.70518672,
              623999.8099,
              2370998.478,
              41.21481328
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8098960596,
                    2369998.458471843,
                    -7.705186719756785
                  ],
                  [
                    622999.8098960596,
                    2370998.4784718426,
                    -7.705186719756785
                  ],
                  [
                    623999.8098960596,
                    2370998.4784718426,
                    41.21481328024322
                  ],
                  [
                    623999.8098960596,
                    2369998.458471843,
                    41.21481328024322
                  ],
                  [
                    622999.8098960596,
                    2369998.458471843,
                    -7.705186719756785
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:51:03+00:00",
            "end_time": "2013-09-20T20:39:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2251.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82416159637282,
              21.256580557138225,
              -5.887529837574768
            ],
            [
              -157.82408986405395,
              21.26561419993812,
              -5.887529837574768
            ],
            [
              -157.81445260163292,
              21.26554667490487,
              84.03247016242523
            ],
            [
              -157.814524921271,
              21.256513064102034,
              84.03247016242523
            ],
            [
              -157.82416159637282,
              21.256580557138225,
              -5.887529837574768
            ]
          ]
        ]
      },
      "bbox": [
        -157.8241616,
        21.25651306,
        -5.887529838,
        -157.8144526,
        21.2656142,
        84.03247016
      ],
      "properties": {
        "datetime": "2013-09-17T12:50:59Z",
        "pc:count": 6830744,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622581.7285,
            "count": 6830744,
            "maximum": 622999.8003,
            "minimum": 621999.7803,
            "name": "X",
            "position": 0,
            "stddev": 282.0952466,
            "variance": 79577.72817
          },
          {
            "average": 2351513.962,
            "count": 6830744,
            "maximum": 2351998.444,
            "minimum": 2350998.424,
            "name": "Y",
            "position": 1,
            "stddev": 281.3308622,
            "variance": 79147.054
          },
          {
            "average": 14.26727068,
            "count": 6830744,
            "maximum": 84.03247016,
            "minimum": -5.887529838,
            "name": "Z",
            "position": 2,
            "stddev": 15.5864283,
            "variance": 242.9367471
          },
          {
            "average": 12.11651835,
            "count": 6830744,
            "maximum": 8982,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.19793022,
            "variance": 911.9149898
          },
          {
            "average": 1.681111457,
            "count": 6830744,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.015194271,
            "variance": 1.030619408
          },
          {
            "average": 2.35427927,
            "count": 6830744,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.484390978,
            "variance": 2.203416576
          },
          {
            "average": 1,
            "count": 6830744,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6830744,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.944021325,
            "count": 6830744,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.28933941,
            "variance": 127.4491842
          },
          {
            "average": 20.01613773,
            "count": 6830744,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.464866356,
            "variance": 6.075566154
          },
          {
            "average": 90.28818003,
            "count": 6830744,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.98792463,
            "variance": 4622.357895
          },
          {
            "average": 12.13206307,
            "count": 6830744,
            "maximum": 18,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.111685787,
            "variance": 4.459216861
          },
          {
            "average": 63289142.12,
            "count": 6830744,
            "maximum": 63457459.91,
            "minimum": 63280010.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 36165.06764,
            "variance": 1307912117
          },
          {
            "average": 0,
            "count": 6830744,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6830744,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6830744,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6830744,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6830744,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.7803,
          2350998.424,
          -5.887529838,
          622999.8003,
          2351998.444,
          84.03247016
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.7802796263,
                2350998.42420689,
                -5.887529837574768
              ],
              [
                621999.7802796263,
                2351998.4442068897,
                -5.887529837574768
              ],
              [
                622999.8002796263,
                2351998.4442068897,
                84.03247016242523
              ],
              [
                622999.8002796263,
                2350998.42420689,
                84.03247016242523
              ],
              [
                621999.7802796263,
                2350998.42420689,
                -5.887529837574768
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:50:59+00:00",
        "end_time": "2013-09-15T11:33:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2251.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2251.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2251.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2251.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8241616,
            21.25651306,
            -5.887529838,
            -157.8144526,
            21.2656142,
            84.03247016
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82416159637282,
                  21.256580557138225,
                  -5.887529837574768
                ],
                [
                  -157.82408986405395,
                  21.26561419993812,
                  -5.887529837574768
                ],
                [
                  -157.81445260163292,
                  21.26554667490487,
                  84.03247016242523
                ],
                [
                  -157.814524921271,
                  21.256513064102034,
                  84.03247016242523
                ],
                [
                  -157.82416159637282,
                  21.256580557138225,
                  -5.887529837574768
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2251.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2251.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:50:59Z",
            "pc:count": 6830744,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622581.7285,
                "count": 6830744,
                "maximum": 622999.8003,
                "minimum": 621999.7803,
                "name": "X",
                "position": 0,
                "stddev": 282.0952466,
                "variance": 79577.72817
              },
              {
                "average": 2351513.962,
                "count": 6830744,
                "maximum": 2351998.444,
                "minimum": 2350998.424,
                "name": "Y",
                "position": 1,
                "stddev": 281.3308622,
                "variance": 79147.054
              },
              {
                "average": 14.26727068,
                "count": 6830744,
                "maximum": 84.03247016,
                "minimum": -5.887529838,
                "name": "Z",
                "position": 2,
                "stddev": 15.5864283,
                "variance": 242.9367471
              },
              {
                "average": 12.11651835,
                "count": 6830744,
                "maximum": 8982,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.19793022,
                "variance": 911.9149898
              },
              {
                "average": 1.681111457,
                "count": 6830744,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.015194271,
                "variance": 1.030619408
              },
              {
                "average": 2.35427927,
                "count": 6830744,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.484390978,
                "variance": 2.203416576
              },
              {
                "average": 1,
                "count": 6830744,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6830744,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.944021325,
                "count": 6830744,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.28933941,
                "variance": 127.4491842
              },
              {
                "average": 20.01613773,
                "count": 6830744,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.464866356,
                "variance": 6.075566154
              },
              {
                "average": 90.28818003,
                "count": 6830744,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.98792463,
                "variance": 4622.357895
              },
              {
                "average": 12.13206307,
                "count": 6830744,
                "maximum": 18,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.111685787,
                "variance": 4.459216861
              },
              {
                "average": 63289142.12,
                "count": 6830744,
                "maximum": 63457459.91,
                "minimum": 63280010.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 36165.06764,
                "variance": 1307912117
              },
              {
                "average": 0,
                "count": 6830744,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6830744,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6830744,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6830744,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6830744,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.7803,
              2350998.424,
              -5.887529838,
              622999.8003,
              2351998.444,
              84.03247016
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.7802796263,
                    2350998.42420689,
                    -5.887529837574768
                  ],
                  [
                    621999.7802796263,
                    2351998.4442068897,
                    -5.887529837574768
                  ],
                  [
                    622999.8002796263,
                    2351998.4442068897,
                    84.03247016242523
                  ],
                  [
                    622999.8002796263,
                    2350998.42420689,
                    84.03247016242523
                  ],
                  [
                    621999.7802796263,
                    2350998.42420689,
                    -5.887529837574768
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:50:59+00:00",
            "end_time": "2013-09-15T11:33:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2578.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.79325402992416,
              21.50027423072329,
              -39.97087661881184
            ],
            [
              -157.79321488156657,
              21.505019495871558,
              -39.97087661881184
            ],
            [
              -157.78777734951203,
              21.50498011284012,
              -18.310876618811847
            ],
            [
              -157.78781667489037,
              21.500234857106864,
              -18.310876618811847
            ],
            [
              -157.79325402992416,
              21.50027423072329,
              -39.97087661881184
            ]
          ]
        ]
      },
      "bbox": [
        -157.793254,
        21.50023486,
        -39.97087662,
        -157.7877773,
        21.5050195,
        -18.31087662
      ],
      "properties": {
        "datetime": "2013-09-21T02:23:59Z",
        "pc:count": 51497,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625159.101,
            "count": 51497,
            "maximum": 625563.1502,
            "minimum": 624999.8302,
            "name": "X",
            "position": 0,
            "stddev": 116.0316139,
            "variance": 13463.33543
          },
          {
            "average": 2378133.801,
            "count": 51497,
            "maximum": 2378523.803,
            "minimum": 2377998.483,
            "name": "Y",
            "position": 1,
            "stddev": 110.136626,
            "variance": 12130.07639
          },
          {
            "average": -33.08141898,
            "count": 51497,
            "maximum": -18.31087662,
            "minimum": -39.97087662,
            "name": "Z",
            "position": 2,
            "stddev": 3.446488181,
            "variance": 11.87828078
          },
          {
            "average": 443.3289318,
            "count": 51497,
            "maximum": 1134,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 229.9698062,
            "variance": 52886.11176
          },
          {
            "average": 1.000038837,
            "count": 51497,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.006231890535,
            "variance": 3.883645964e-05
          },
          {
            "average": 1.000038837,
            "count": 51497,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.006231890535,
            "variance": 3.883645964e-05
          },
          {
            "average": 1,
            "count": 51497,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 51497,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 51497,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.85737307,
            "count": 51497,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.291529062,
            "variance": 86.33251232
          },
          {
            "average": 249.0042138,
            "count": 51497,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.06477779523,
            "variance": 0.004196162755
          },
          {
            "average": 19.7649766,
            "count": 51497,
            "maximum": 22,
            "minimum": 12,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.92594102,
            "variance": 15.41301289
          },
          {
            "average": 63764807.85,
            "count": 51497,
            "maximum": 63765439.53,
            "minimum": 63762553.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1099.273728,
            "variance": 1208402.728
          },
          {
            "average": 0,
            "count": 51497,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 51497,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 51497,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 51497,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 51497,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.8302,
          2377998.483,
          -39.97087662,
          625563.1502,
          2378523.803,
          -18.31087662
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.8301875553,
                2377998.4827962276,
                -39.97087661881184
              ],
              [
                624999.8301875553,
                2378523.802796228,
                -39.97087661881184
              ],
              [
                625563.1501875554,
                2378523.802796228,
                -18.310876618811847
              ],
              [
                625563.1501875554,
                2377998.4827962276,
                -18.310876618811847
              ],
              [
                624999.8301875553,
                2377998.4827962276,
                -39.97087661881184
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:23:59+00:00",
        "end_time": "2013-09-21T01:35:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2578.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2578.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2578.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2578.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.793254,
            21.50023486,
            -39.97087662,
            -157.7877773,
            21.5050195,
            -18.31087662
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.79325402992416,
                  21.50027423072329,
                  -39.97087661881184
                ],
                [
                  -157.79321488156657,
                  21.505019495871558,
                  -39.97087661881184
                ],
                [
                  -157.78777734951203,
                  21.50498011284012,
                  -18.310876618811847
                ],
                [
                  -157.78781667489037,
                  21.500234857106864,
                  -18.310876618811847
                ],
                [
                  -157.79325402992416,
                  21.50027423072329,
                  -39.97087661881184
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2578.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2578.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:23:59Z",
            "pc:count": 51497,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625159.101,
                "count": 51497,
                "maximum": 625563.1502,
                "minimum": 624999.8302,
                "name": "X",
                "position": 0,
                "stddev": 116.0316139,
                "variance": 13463.33543
              },
              {
                "average": 2378133.801,
                "count": 51497,
                "maximum": 2378523.803,
                "minimum": 2377998.483,
                "name": "Y",
                "position": 1,
                "stddev": 110.136626,
                "variance": 12130.07639
              },
              {
                "average": -33.08141898,
                "count": 51497,
                "maximum": -18.31087662,
                "minimum": -39.97087662,
                "name": "Z",
                "position": 2,
                "stddev": 3.446488181,
                "variance": 11.87828078
              },
              {
                "average": 443.3289318,
                "count": 51497,
                "maximum": 1134,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 229.9698062,
                "variance": 52886.11176
              },
              {
                "average": 1.000038837,
                "count": 51497,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.006231890535,
                "variance": 3.883645964e-05
              },
              {
                "average": 1.000038837,
                "count": 51497,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.006231890535,
                "variance": 3.883645964e-05
              },
              {
                "average": 1,
                "count": 51497,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 51497,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 51497,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.85737307,
                "count": 51497,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.291529062,
                "variance": 86.33251232
              },
              {
                "average": 249.0042138,
                "count": 51497,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.06477779523,
                "variance": 0.004196162755
              },
              {
                "average": 19.7649766,
                "count": 51497,
                "maximum": 22,
                "minimum": 12,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.92594102,
                "variance": 15.41301289
              },
              {
                "average": 63764807.85,
                "count": 51497,
                "maximum": 63765439.53,
                "minimum": 63762553.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1099.273728,
                "variance": 1208402.728
              },
              {
                "average": 0,
                "count": 51497,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 51497,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 51497,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 51497,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 51497,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.8302,
              2377998.483,
              -39.97087662,
              625563.1502,
              2378523.803,
              -18.31087662
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.8301875553,
                    2377998.4827962276,
                    -39.97087661881184
                  ],
                  [
                    624999.8301875553,
                    2378523.802796228,
                    -39.97087661881184
                  ],
                  [
                    625563.1501875554,
                    2378523.802796228,
                    -18.310876618811847
                  ],
                  [
                    625563.1501875554,
                    2377998.4827962276,
                    -18.310876618811847
                  ],
                  [
                    624999.8301875553,
                    2377998.4827962276,
                    -39.97087661881184
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:23:59+00:00",
            "end_time": "2013-09-21T01:35:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2649.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78574048470767,
              21.24108094404452,
              -54.12567472163981
            ],
            [
              -157.785689745752,
              21.247274029714443,
              -54.12567472163981
            ],
            [
              -157.78055100118206,
              21.247236945818052,
              -18.465674721639804
            ],
            [
              -157.7806019546934,
              21.241043872014714,
              -18.465674721639804
            ],
            [
              -157.78574048470767,
              21.24108094404452,
              -54.12567472163981
            ]
          ]
        ]
      },
      "bbox": [
        -157.7857405,
        21.24104387,
        -54.12567472,
        -157.780551,
        21.24727403,
        -18.46567472
      ],
      "properties": {
        "datetime": "2013-09-16T14:49:40Z",
        "pc:count": 324205,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626166.2191,
            "count": 324205,
            "maximum": 626533.1005,
            "minimum": 625999.8005,
            "name": "X",
            "position": 0,
            "stddev": 118.4077827,
            "variance": 14020.403
          },
          {
            "average": 2349763.321,
            "count": 324205,
            "maximum": 2349998.435,
            "minimum": 2349312.855,
            "name": "Y",
            "position": 1,
            "stddev": 177.907477,
            "variance": 31651.07036
          },
          {
            "average": -23.89418384,
            "count": 324205,
            "maximum": -18.46567472,
            "minimum": -54.12567472,
            "name": "Z",
            "position": 2,
            "stddev": 6.501907801,
            "variance": 42.27480505
          },
          {
            "average": 526.603288,
            "count": 324205,
            "maximum": 6714,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 575.0354918,
            "variance": 330665.8169
          },
          {
            "average": 1.000545951,
            "count": 324205,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02335924839,
            "variance": 0.0005456544851
          },
          {
            "average": 1.00055212,
            "count": 324205,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02349077833,
            "variance": 0.0005518166665
          },
          {
            "average": 1,
            "count": 324205,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 324205,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 324205,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.392872579,
            "count": 324205,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.592152387,
            "variance": 73.82508264
          },
          {
            "average": 221.7812619,
            "count": 324205,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 66.29542652,
            "variance": 4395.083577
          },
          {
            "average": 9.694165728,
            "count": 324205,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.480562115,
            "variance": 12.11431264
          },
          {
            "average": 63293626.77,
            "count": 324205,
            "maximum": 63378180.66,
            "minimum": 63280256.34,
            "name": "GpsTime",
            "position": 12,
            "stddev": 33005.27433,
            "variance": 1089348134
          },
          {
            "average": 0,
            "count": 324205,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 324205,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 324205,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 324205,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 324205,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.8005,
          2349312.855,
          -54.12567472,
          626533.1005,
          2349998.435,
          -18.46567472
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.8004798122,
                2349312.854565584,
                -54.12567472163981
              ],
              [
                625999.8004798122,
                2349998.434565584,
                -54.12567472163981
              ],
              [
                626533.1004798122,
                2349998.434565584,
                -18.465674721639804
              ],
              [
                626533.1004798122,
                2349312.854565584,
                -18.465674721639804
              ],
              [
                625999.8004798122,
                2349312.854565584,
                -54.12567472163981
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T14:49:40+00:00",
        "end_time": "2013-09-15T11:37:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2649.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2649.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2649.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2649.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7857405,
            21.24104387,
            -54.12567472,
            -157.780551,
            21.24727403,
            -18.46567472
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78574048470767,
                  21.24108094404452,
                  -54.12567472163981
                ],
                [
                  -157.785689745752,
                  21.247274029714443,
                  -54.12567472163981
                ],
                [
                  -157.78055100118206,
                  21.247236945818052,
                  -18.465674721639804
                ],
                [
                  -157.7806019546934,
                  21.241043872014714,
                  -18.465674721639804
                ],
                [
                  -157.78574048470767,
                  21.24108094404452,
                  -54.12567472163981
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2649.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2649.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T14:49:40Z",
            "pc:count": 324205,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626166.2191,
                "count": 324205,
                "maximum": 626533.1005,
                "minimum": 625999.8005,
                "name": "X",
                "position": 0,
                "stddev": 118.4077827,
                "variance": 14020.403
              },
              {
                "average": 2349763.321,
                "count": 324205,
                "maximum": 2349998.435,
                "minimum": 2349312.855,
                "name": "Y",
                "position": 1,
                "stddev": 177.907477,
                "variance": 31651.07036
              },
              {
                "average": -23.89418384,
                "count": 324205,
                "maximum": -18.46567472,
                "minimum": -54.12567472,
                "name": "Z",
                "position": 2,
                "stddev": 6.501907801,
                "variance": 42.27480505
              },
              {
                "average": 526.603288,
                "count": 324205,
                "maximum": 6714,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 575.0354918,
                "variance": 330665.8169
              },
              {
                "average": 1.000545951,
                "count": 324205,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02335924839,
                "variance": 0.0005456544851
              },
              {
                "average": 1.00055212,
                "count": 324205,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02349077833,
                "variance": 0.0005518166665
              },
              {
                "average": 1,
                "count": 324205,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 324205,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 324205,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.392872579,
                "count": 324205,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.592152387,
                "variance": 73.82508264
              },
              {
                "average": 221.7812619,
                "count": 324205,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 66.29542652,
                "variance": 4395.083577
              },
              {
                "average": 9.694165728,
                "count": 324205,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.480562115,
                "variance": 12.11431264
              },
              {
                "average": 63293626.77,
                "count": 324205,
                "maximum": 63378180.66,
                "minimum": 63280256.34,
                "name": "GpsTime",
                "position": 12,
                "stddev": 33005.27433,
                "variance": 1089348134
              },
              {
                "average": 0,
                "count": 324205,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 324205,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 324205,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 324205,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 324205,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.8005,
              2349312.855,
              -54.12567472,
              626533.1005,
              2349998.435,
              -18.46567472
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.8004798122,
                    2349312.854565584,
                    -54.12567472163981
                  ],
                  [
                    625999.8004798122,
                    2349998.434565584,
                    -54.12567472163981
                  ],
                  [
                    626533.1004798122,
                    2349998.434565584,
                    -18.465674721639804
                  ],
                  [
                    626533.1004798122,
                    2349312.854565584,
                    -18.465674721639804
                  ],
                  [
                    625999.8004798122,
                    2349312.854565584,
                    -54.12567472163981
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T14:49:40+00:00",
            "end_time": "2013-09-15T11:37:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj2082.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84123012305412,
              21.536748885402343,
              -8.951894936831675
            ],
            [
              -157.84115841601474,
              21.54578209664523,
              -8.951894936831675
            ],
            [
              -157.8315027075413,
              21.545714713374124,
              26.408105063168325
            ],
            [
              -157.83157501116068,
              21.53668153339677,
              26.408105063168325
            ],
            [
              -157.84123012305412,
              21.536748885402343,
              -8.951894936831675
            ]
          ]
        ]
      },
      "bbox": [
        -157.8412301,
        21.53668153,
        -8.951894937,
        -157.8315027,
        21.5457821,
        26.40810506
      ],
      "properties": {
        "datetime": "2013-09-22T00:50:15Z",
        "pc:count": 3635142,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620557.9584,
            "count": 3635142,
            "maximum": 620999.8256,
            "minimum": 619999.8056,
            "name": "X",
            "position": 0,
            "stddev": 305.8721194,
            "variance": 93557.7534
          },
          {
            "average": 2382495.136,
            "count": 3635142,
            "maximum": 2382998.483,
            "minimum": 2381998.483,
            "name": "Y",
            "position": 1,
            "stddev": 303.6660756,
            "variance": 92213.08548
          },
          {
            "average": -3.348295999,
            "count": 3635142,
            "maximum": 26.40810506,
            "minimum": -8.951894937,
            "name": "Z",
            "position": 2,
            "stddev": 2.265801086,
            "variance": 5.133854563
          },
          {
            "average": 8.40370665,
            "count": 3635142,
            "maximum": 8295,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.20985615,
            "variance": 740.3762718
          },
          {
            "average": 1.020441842,
            "count": 3635142,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1576045622,
            "variance": 0.02483919802
          },
          {
            "average": 1.035141131,
            "count": 3635142,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2201782016,
            "variance": 0.04847844046
          },
          {
            "average": 1,
            "count": 3635142,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3635142,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.55601047,
            "count": 3635142,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.47942415,
            "variance": 12.10639242
          },
          {
            "average": 19.85386789,
            "count": 3635142,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.387464104,
            "variance": 5.699984848
          },
          {
            "average": 90.87687028,
            "count": 3635142,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.04137511,
            "variance": 4766.711477
          },
          {
            "average": 3.991036114,
            "count": 3635142,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.025303655,
            "variance": 4.101854897
          },
          {
            "average": 63835805.99,
            "count": 3635142,
            "maximum": 63846215.56,
            "minimum": 63828640.41,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6141.33229,
            "variance": 37715962.29
          },
          {
            "average": 0,
            "count": 3635142,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3635142,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3635142,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3635142,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3635142,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.8056,
          2381998.483,
          -8.951894937,
          620999.8256,
          2382998.483,
          26.40810506
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.8055735419,
                2381998.48341035,
                -8.951894936831675
              ],
              [
                619999.8055735419,
                2382998.48341035,
                -8.951894936831675
              ],
              [
                620999.8255735419,
                2382998.48341035,
                26.408105063168325
              ],
              [
                620999.8255735419,
                2381998.48341035,
                26.408105063168325
              ],
              [
                619999.8055735419,
                2381998.48341035,
                -8.951894936831675
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:50:15+00:00",
        "end_time": "2013-09-21T19:57:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj2082.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj2082.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj2082.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj2082.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8412301,
            21.53668153,
            -8.951894937,
            -157.8315027,
            21.5457821,
            26.40810506
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84123012305412,
                  21.536748885402343,
                  -8.951894936831675
                ],
                [
                  -157.84115841601474,
                  21.54578209664523,
                  -8.951894936831675
                ],
                [
                  -157.8315027075413,
                  21.545714713374124,
                  26.408105063168325
                ],
                [
                  -157.83157501116068,
                  21.53668153339677,
                  26.408105063168325
                ],
                [
                  -157.84123012305412,
                  21.536748885402343,
                  -8.951894936831675
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj2082.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj2082.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:50:15Z",
            "pc:count": 3635142,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620557.9584,
                "count": 3635142,
                "maximum": 620999.8256,
                "minimum": 619999.8056,
                "name": "X",
                "position": 0,
                "stddev": 305.8721194,
                "variance": 93557.7534
              },
              {
                "average": 2382495.136,
                "count": 3635142,
                "maximum": 2382998.483,
                "minimum": 2381998.483,
                "name": "Y",
                "position": 1,
                "stddev": 303.6660756,
                "variance": 92213.08548
              },
              {
                "average": -3.348295999,
                "count": 3635142,
                "maximum": 26.40810506,
                "minimum": -8.951894937,
                "name": "Z",
                "position": 2,
                "stddev": 2.265801086,
                "variance": 5.133854563
              },
              {
                "average": 8.40370665,
                "count": 3635142,
                "maximum": 8295,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.20985615,
                "variance": 740.3762718
              },
              {
                "average": 1.020441842,
                "count": 3635142,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1576045622,
                "variance": 0.02483919802
              },
              {
                "average": 1.035141131,
                "count": 3635142,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2201782016,
                "variance": 0.04847844046
              },
              {
                "average": 1,
                "count": 3635142,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3635142,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.55601047,
                "count": 3635142,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.47942415,
                "variance": 12.10639242
              },
              {
                "average": 19.85386789,
                "count": 3635142,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.387464104,
                "variance": 5.699984848
              },
              {
                "average": 90.87687028,
                "count": 3635142,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.04137511,
                "variance": 4766.711477
              },
              {
                "average": 3.991036114,
                "count": 3635142,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.025303655,
                "variance": 4.101854897
              },
              {
                "average": 63835805.99,
                "count": 3635142,
                "maximum": 63846215.56,
                "minimum": 63828640.41,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6141.33229,
                "variance": 37715962.29
              },
              {
                "average": 0,
                "count": 3635142,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3635142,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3635142,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3635142,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3635142,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.8056,
              2381998.483,
              -8.951894937,
              620999.8256,
              2382998.483,
              26.40810506
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.8055735419,
                    2381998.48341035,
                    -8.951894936831675
                  ],
                  [
                    619999.8055735419,
                    2382998.48341035,
                    -8.951894936831675
                  ],
                  [
                    620999.8255735419,
                    2382998.48341035,
                    26.408105063168325
                  ],
                  [
                    620999.8255735419,
                    2381998.48341035,
                    26.408105063168325
                  ],
                  [
                    619999.8055735419,
                    2381998.48341035,
                    -8.951894936831675
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:50:15+00:00",
            "end_time": "2013-09-21T19:57:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2477.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8029804332731,
              21.491310539409668,
              -19.197471241922237
            ],
            [
              -157.80290653787978,
              21.500343673062645,
              -19.197471241922237
            ],
            [
              -157.7932539727955,
              21.500274212746838,
              -6.057471241922237
            ],
            [
              -157.7933284657358,
              21.491241110806182,
              -6.057471241922237
            ],
            [
              -157.8029804332731,
              21.491310539409668,
              -19.197471241922237
            ]
          ]
        ]
      },
      "bbox": [
        -157.8029804,
        21.49124111,
        -19.19747124,
        -157.793254,
        21.50034367,
        -6.057471242
      ],
      "properties": {
        "datetime": "2013-09-24T20:37:05Z",
        "pc:count": 2120268,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624415.4801,
            "count": 2120268,
            "maximum": 624999.8361,
            "minimum": 623999.8161,
            "name": "X",
            "position": 0,
            "stddev": 279.4006884,
            "variance": 78064.74469
          },
          {
            "average": 2377355.625,
            "count": 2120268,
            "maximum": 2377998.481,
            "minimum": 2376998.481,
            "name": "Y",
            "position": 1,
            "stddev": 267.1741124,
            "variance": 71382.00632
          },
          {
            "average": -10.4303946,
            "count": 2120268,
            "maximum": -6.057471242,
            "minimum": -19.19747124,
            "name": "Z",
            "position": 2,
            "stddev": 2.496178734,
            "variance": 6.230908272
          },
          {
            "average": 21.3180414,
            "count": 2120268,
            "maximum": 3622,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.67748536,
            "variance": 1574.302844
          },
          {
            "average": 1.002965191,
            "count": 2120268,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0545632874,
            "variance": 0.002977152332
          },
          {
            "average": 1.004826277,
            "count": 2120268,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.06956170311,
            "variance": 0.004838830539
          },
          {
            "average": 1,
            "count": 2120268,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2120268,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2120268,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.30728943,
            "count": 2120268,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.708753236,
            "variance": 59.42487646
          },
          {
            "average": 137.8066061,
            "count": 2120268,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 83.73924639,
            "variance": 7012.261386
          },
          {
            "average": 4.824958449,
            "count": 2120268,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.203036877,
            "variance": 17.66551899
          },
          {
            "average": 63722371.64,
            "count": 2120268,
            "maximum": 64090225.84,
            "minimum": 63592260.26,
            "name": "GpsTime",
            "position": 12,
            "stddev": 167833.2912,
            "variance": 28168013650.0
          },
          {
            "average": 0,
            "count": 2120268,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2120268,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2120268,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2120268,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2120268,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.8161,
          2376998.481,
          -19.19747124,
          624999.8361,
          2377998.481,
          -6.057471242
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.8161211921,
                2376998.4808519725,
                -19.197471241922237
              ],
              [
                623999.8161211921,
                2377998.4808519725,
                -19.197471241922237
              ],
              [
                624999.8361211921,
                2377998.4808519725,
                -6.057471241922237
              ],
              [
                624999.8361211921,
                2376998.4808519725,
                -6.057471241922237
              ],
              [
                623999.8161211921,
                2376998.4808519725,
                -19.197471241922237
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:37:05+00:00",
        "end_time": "2013-09-19T02:17:40+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2477.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2477.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2477.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2477.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8029804,
            21.49124111,
            -19.19747124,
            -157.793254,
            21.50034367,
            -6.057471242
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8029804332731,
                  21.491310539409668,
                  -19.197471241922237
                ],
                [
                  -157.80290653787978,
                  21.500343673062645,
                  -19.197471241922237
                ],
                [
                  -157.7932539727955,
                  21.500274212746838,
                  -6.057471241922237
                ],
                [
                  -157.7933284657358,
                  21.491241110806182,
                  -6.057471241922237
                ],
                [
                  -157.8029804332731,
                  21.491310539409668,
                  -19.197471241922237
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2477.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2477.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:37:05Z",
            "pc:count": 2120268,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624415.4801,
                "count": 2120268,
                "maximum": 624999.8361,
                "minimum": 623999.8161,
                "name": "X",
                "position": 0,
                "stddev": 279.4006884,
                "variance": 78064.74469
              },
              {
                "average": 2377355.625,
                "count": 2120268,
                "maximum": 2377998.481,
                "minimum": 2376998.481,
                "name": "Y",
                "position": 1,
                "stddev": 267.1741124,
                "variance": 71382.00632
              },
              {
                "average": -10.4303946,
                "count": 2120268,
                "maximum": -6.057471242,
                "minimum": -19.19747124,
                "name": "Z",
                "position": 2,
                "stddev": 2.496178734,
                "variance": 6.230908272
              },
              {
                "average": 21.3180414,
                "count": 2120268,
                "maximum": 3622,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.67748536,
                "variance": 1574.302844
              },
              {
                "average": 1.002965191,
                "count": 2120268,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0545632874,
                "variance": 0.002977152332
              },
              {
                "average": 1.004826277,
                "count": 2120268,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.06956170311,
                "variance": 0.004838830539
              },
              {
                "average": 1,
                "count": 2120268,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2120268,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2120268,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.30728943,
                "count": 2120268,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.708753236,
                "variance": 59.42487646
              },
              {
                "average": 137.8066061,
                "count": 2120268,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 83.73924639,
                "variance": 7012.261386
              },
              {
                "average": 4.824958449,
                "count": 2120268,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.203036877,
                "variance": 17.66551899
              },
              {
                "average": 63722371.64,
                "count": 2120268,
                "maximum": 64090225.84,
                "minimum": 63592260.26,
                "name": "GpsTime",
                "position": 12,
                "stddev": 167833.2912,
                "variance": 28168013650.0
              },
              {
                "average": 0,
                "count": 2120268,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2120268,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2120268,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2120268,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2120268,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.8161,
              2376998.481,
              -19.19747124,
              624999.8361,
              2377998.481,
              -6.057471242
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.8161211921,
                    2376998.4808519725,
                    -19.197471241922237
                  ],
                  [
                    623999.8161211921,
                    2377998.4808519725,
                    -19.197471241922237
                  ],
                  [
                    624999.8361211921,
                    2377998.4808519725,
                    -6.057471241922237
                  ],
                  [
                    624999.8361211921,
                    2376998.4808519725,
                    -6.057471241922237
                  ],
                  [
                    623999.8161211921,
                    2376998.4808519725,
                    -19.197471241922237
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:37:05+00:00",
            "end_time": "2013-09-19T02:17:40+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1984.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8507427344564,
              21.554882161443924,
              -13.490178187642387
            ],
            [
              -157.85067154805589,
              21.563915384213914,
              -13.490178187642387
            ],
            [
              -157.84101480195926,
              21.563848498985227,
              0.949821812357612
            ],
            [
              -157.8410865857433,
              21.554815307200972,
              0.949821812357612
            ],
            [
              -157.8507427344564,
              21.554882161443924,
              -13.490178187642387
            ]
          ]
        ]
      },
      "bbox": [
        -157.8507427,
        21.55481531,
        -13.49017819,
        -157.8410148,
        21.56391538,
        0.9498218124
      ],
      "properties": {
        "datetime": "2013-09-23T23:52:03Z",
        "pc:count": 4114870,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619531.2928,
            "count": 4114870,
            "maximum": 619999.8144,
            "minimum": 618999.8144,
            "name": "X",
            "position": 0,
            "stddev": 290.7076274,
            "variance": 84510.92462
          },
          {
            "average": 2384527.986,
            "count": 4114870,
            "maximum": 2384998.484,
            "minimum": 2383998.484,
            "name": "Y",
            "position": 1,
            "stddev": 292.5061263,
            "variance": 85559.83392
          },
          {
            "average": -4.628360521,
            "count": 4114870,
            "maximum": 0.9498218124,
            "minimum": -13.49017819,
            "name": "Z",
            "position": 2,
            "stddev": 2.610121026,
            "variance": 6.812731773
          },
          {
            "average": 6.285729318,
            "count": 4114870,
            "maximum": 8692,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.2579991,
            "variance": 540.9345221
          },
          {
            "average": 1.022129253,
            "count": 4114870,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1486356146,
            "variance": 0.02209254592
          },
          {
            "average": 1.041834614,
            "count": 4114870,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2029549736,
            "variance": 0.04119072129
          },
          {
            "average": 1,
            "count": 4114870,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4114870,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.99977302,
            "count": 4114870,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.07897675664,
            "variance": 0.00623732809
          },
          {
            "average": 19.97318688,
            "count": 4114870,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.122639667,
            "variance": 9.750878489
          },
          {
            "average": 92.14556402,
            "count": 4114870,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.60409287,
            "variance": 4570.313373
          },
          {
            "average": 3.792155038,
            "count": 4114870,
            "maximum": 20,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.851486181,
            "variance": 8.130973442
          },
          {
            "average": 63836723.65,
            "count": 4114870,
            "maximum": 64015523.45,
            "minimum": 63830275.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 25497.64723,
            "variance": 650130014.5
          },
          {
            "average": 0,
            "count": 4114870,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4114870,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4114870,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4114870,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4114870,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.8144,
          2383998.484,
          -13.49017819,
          619999.8144,
          2384998.484,
          0.9498218124
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.8143546815,
                2383998.4844764257,
                -13.490178187642387
              ],
              [
                618999.8143546815,
                2384998.4844764257,
                -13.490178187642387
              ],
              [
                619999.8143546815,
                2384998.4844764257,
                0.949821812357612
              ],
              [
                619999.8143546815,
                2383998.4844764257,
                0.949821812357612
              ],
              [
                618999.8143546815,
                2383998.4844764257,
                -13.490178187642387
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:52:03+00:00",
        "end_time": "2013-09-21T20:24:35+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1984.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1984.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1984.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1984.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8507427,
            21.55481531,
            -13.49017819,
            -157.8410148,
            21.56391538,
            0.9498218124
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8507427344564,
                  21.554882161443924,
                  -13.490178187642387
                ],
                [
                  -157.85067154805589,
                  21.563915384213914,
                  -13.490178187642387
                ],
                [
                  -157.84101480195926,
                  21.563848498985227,
                  0.949821812357612
                ],
                [
                  -157.8410865857433,
                  21.554815307200972,
                  0.949821812357612
                ],
                [
                  -157.8507427344564,
                  21.554882161443924,
                  -13.490178187642387
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1984.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1984.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:52:03Z",
            "pc:count": 4114870,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619531.2928,
                "count": 4114870,
                "maximum": 619999.8144,
                "minimum": 618999.8144,
                "name": "X",
                "position": 0,
                "stddev": 290.7076274,
                "variance": 84510.92462
              },
              {
                "average": 2384527.986,
                "count": 4114870,
                "maximum": 2384998.484,
                "minimum": 2383998.484,
                "name": "Y",
                "position": 1,
                "stddev": 292.5061263,
                "variance": 85559.83392
              },
              {
                "average": -4.628360521,
                "count": 4114870,
                "maximum": 0.9498218124,
                "minimum": -13.49017819,
                "name": "Z",
                "position": 2,
                "stddev": 2.610121026,
                "variance": 6.812731773
              },
              {
                "average": 6.285729318,
                "count": 4114870,
                "maximum": 8692,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.2579991,
                "variance": 540.9345221
              },
              {
                "average": 1.022129253,
                "count": 4114870,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1486356146,
                "variance": 0.02209254592
              },
              {
                "average": 1.041834614,
                "count": 4114870,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2029549736,
                "variance": 0.04119072129
              },
              {
                "average": 1,
                "count": 4114870,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4114870,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.99977302,
                "count": 4114870,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.07897675664,
                "variance": 0.00623732809
              },
              {
                "average": 19.97318688,
                "count": 4114870,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.122639667,
                "variance": 9.750878489
              },
              {
                "average": 92.14556402,
                "count": 4114870,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.60409287,
                "variance": 4570.313373
              },
              {
                "average": 3.792155038,
                "count": 4114870,
                "maximum": 20,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.851486181,
                "variance": 8.130973442
              },
              {
                "average": 63836723.65,
                "count": 4114870,
                "maximum": 64015523.45,
                "minimum": 63830275.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 25497.64723,
                "variance": 650130014.5
              },
              {
                "average": 0,
                "count": 4114870,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4114870,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4114870,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4114870,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4114870,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.8144,
              2383998.484,
              -13.49017819,
              619999.8144,
              2384998.484,
              0.9498218124
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.8143546815,
                    2383998.4844764257,
                    -13.490178187642387
                  ],
                  [
                    618999.8143546815,
                    2384998.4844764257,
                    -13.490178187642387
                  ],
                  [
                    619999.8143546815,
                    2384998.4844764257,
                    0.949821812357612
                  ],
                  [
                    619999.8143546815,
                    2383998.4844764257,
                    0.949821812357612
                  ],
                  [
                    618999.8143546815,
                    2383998.4844764257,
                    -13.490178187642387
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:52:03+00:00",
            "end_time": "2013-09-21T20:24:35+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2868.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7650585093092,
              21.409731838035512,
              1.14263370583032
            ],
            [
              -157.76498257955964,
              21.41876492896728,
              1.14263370583032
            ],
            [
              -157.75533555993482,
              21.418693532589682,
              146.98263370583032
            ],
            [
              -157.75541208261336,
              21.409660475019002,
              146.98263370583032
            ],
            [
              -157.7650585093092,
              21.409731838035512,
              1.14263370583032
            ]
          ]
        ]
      },
      "bbox": [
        -157.7650585,
        21.40966048,
        1.142633706,
        -157.7553356,
        21.41876493,
        146.9826337
      ],
      "properties": {
        "datetime": "2013-09-20T20:11:14Z",
        "pc:count": 8589009,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628480.1543,
            "count": 8589009,
            "maximum": 628999.8483,
            "minimum": 627999.8283,
            "name": "X",
            "position": 0,
            "stddev": 276.9580395,
            "variance": 76705.75563
          },
          {
            "average": 2368487.586,
            "count": 8589009,
            "maximum": 2368998.465,
            "minimum": 2367998.465,
            "name": "Y",
            "position": 1,
            "stddev": 287.4570508,
            "variance": 82631.55608
          },
          {
            "average": 62.00852639,
            "count": 8589009,
            "maximum": 146.9826337,
            "minimum": 1.142633706,
            "name": "Z",
            "position": 2,
            "stddev": 31.75825115,
            "variance": 1008.586516
          },
          {
            "average": 9.718611076,
            "count": 8589009,
            "maximum": 833,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.87186567,
            "variance": 435.6347768
          },
          {
            "average": 1.785688663,
            "count": 8589009,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.014687583,
            "variance": 1.029590892
          },
          {
            "average": 2.571136321,
            "count": 8589009,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.389180754,
            "variance": 1.929823169
          },
          {
            "average": 1,
            "count": 8589009,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8589009,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.101997914,
            "count": 8589009,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3026455849,
            "variance": 0.09159435008
          },
          {
            "average": 20.12366891,
            "count": 8589009,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.051031281,
            "variance": 4.206729315
          },
          {
            "average": 91.08440159,
            "count": 8589009,
            "maximum": 205,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.82705959,
            "variance": 4465.855893
          },
          {
            "average": 2.58954345,
            "count": 8589009,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.293815408,
            "variance": 1.673958311
          },
          {
            "average": 63733291.29,
            "count": 8589009,
            "maximum": 63743074.78,
            "minimum": 63659304.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 20642.69358,
            "variance": 426120798.4
          },
          {
            "average": 0,
            "count": 8589009,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8589009,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8589009,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8589009,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8589009,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.8283,
          2367998.465,
          1.142633706,
          628999.8483,
          2368998.465,
          146.9826337
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8282683357,
                2367998.4652164206,
                1.14263370583032
              ],
              [
                627999.8282683357,
                2368998.4652164206,
                1.14263370583032
              ],
              [
                628999.8482683357,
                2368998.4652164206,
                146.98263370583032
              ],
              [
                628999.8482683357,
                2367998.4652164206,
                146.98263370583032
              ],
              [
                627999.8282683357,
                2367998.4652164206,
                1.14263370583032
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:11:14+00:00",
        "end_time": "2013-09-19T20:55:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2868.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2868.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2868.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2868.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7650585,
            21.40966048,
            1.142633706,
            -157.7553356,
            21.41876493,
            146.9826337
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7650585093092,
                  21.409731838035512,
                  1.14263370583032
                ],
                [
                  -157.76498257955964,
                  21.41876492896728,
                  1.14263370583032
                ],
                [
                  -157.75533555993482,
                  21.418693532589682,
                  146.98263370583032
                ],
                [
                  -157.75541208261336,
                  21.409660475019002,
                  146.98263370583032
                ],
                [
                  -157.7650585093092,
                  21.409731838035512,
                  1.14263370583032
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2868.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2868.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:11:14Z",
            "pc:count": 8589009,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628480.1543,
                "count": 8589009,
                "maximum": 628999.8483,
                "minimum": 627999.8283,
                "name": "X",
                "position": 0,
                "stddev": 276.9580395,
                "variance": 76705.75563
              },
              {
                "average": 2368487.586,
                "count": 8589009,
                "maximum": 2368998.465,
                "minimum": 2367998.465,
                "name": "Y",
                "position": 1,
                "stddev": 287.4570508,
                "variance": 82631.55608
              },
              {
                "average": 62.00852639,
                "count": 8589009,
                "maximum": 146.9826337,
                "minimum": 1.142633706,
                "name": "Z",
                "position": 2,
                "stddev": 31.75825115,
                "variance": 1008.586516
              },
              {
                "average": 9.718611076,
                "count": 8589009,
                "maximum": 833,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.87186567,
                "variance": 435.6347768
              },
              {
                "average": 1.785688663,
                "count": 8589009,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.014687583,
                "variance": 1.029590892
              },
              {
                "average": 2.571136321,
                "count": 8589009,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.389180754,
                "variance": 1.929823169
              },
              {
                "average": 1,
                "count": 8589009,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8589009,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.101997914,
                "count": 8589009,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3026455849,
                "variance": 0.09159435008
              },
              {
                "average": 20.12366891,
                "count": 8589009,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.051031281,
                "variance": 4.206729315
              },
              {
                "average": 91.08440159,
                "count": 8589009,
                "maximum": 205,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.82705959,
                "variance": 4465.855893
              },
              {
                "average": 2.58954345,
                "count": 8589009,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.293815408,
                "variance": 1.673958311
              },
              {
                "average": 63733291.29,
                "count": 8589009,
                "maximum": 63743074.78,
                "minimum": 63659304.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 20642.69358,
                "variance": 426120798.4
              },
              {
                "average": 0,
                "count": 8589009,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8589009,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8589009,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8589009,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8589009,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.8283,
              2367998.465,
              1.142633706,
              628999.8483,
              2368998.465,
              146.9826337
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8282683357,
                    2367998.4652164206,
                    1.14263370583032
                  ],
                  [
                    627999.8282683357,
                    2368998.4652164206,
                    1.14263370583032
                  ],
                  [
                    628999.8482683357,
                    2368998.4652164206,
                    146.98263370583032
                  ],
                  [
                    628999.8482683357,
                    2367998.4652164206,
                    146.98263370583032
                  ],
                  [
                    627999.8282683357,
                    2367998.4652164206,
                    1.14263370583032
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:11:14+00:00",
            "end_time": "2013-09-19T20:55:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2650.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.785689757605,
              21.247274044808176,
              -21.09602820559679
            ],
            [
              -157.78561571613477,
              21.256307388400167,
              -21.09602820559679
            ],
            [
              -157.77597939000444,
              21.256237690546957,
              -9.47602820559679
            ],
            [
              -157.7760540185635,
              21.247204379507057,
              -9.47602820559679
            ],
            [
              -157.785689757605,
              21.247274044808176,
              -21.09602820559679
            ]
          ]
        ]
      },
      "bbox": [
        -157.7856898,
        21.24720438,
        -21.09602821,
        -157.7759794,
        21.25630739,
        -9.476028206
      ],
      "properties": {
        "datetime": "2013-09-22T19:51:36Z",
        "pc:count": 4271380,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626518.6974,
            "count": 4271380,
            "maximum": 626999.7992,
            "minimum": 625999.7992,
            "name": "X",
            "position": 0,
            "stddev": 279.1346162,
            "variance": 77916.13395
          },
          {
            "average": 2350618.84,
            "count": 4271380,
            "maximum": 2350998.436,
            "minimum": 2349998.436,
            "name": "Y",
            "position": 1,
            "stddev": 265.7382715,
            "variance": 70616.82893
          },
          {
            "average": -15.95478427,
            "count": 4271380,
            "maximum": -9.476028206,
            "minimum": -21.09602821,
            "name": "Z",
            "position": 2,
            "stddev": 1.889867308,
            "variance": 3.571598441
          },
          {
            "average": 136.8647353,
            "count": 4271380,
            "maximum": 939,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 185.8440316,
            "variance": 34538.00409
          },
          {
            "average": 1.001135464,
            "count": 4271380,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03367752073,
            "variance": 0.001134175403
          },
          {
            "average": 1.001989053,
            "count": 4271380,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04455442573,
            "variance": 0.001985096852
          },
          {
            "average": 1,
            "count": 4271380,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4271380,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4271380,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.76636925,
            "count": 4271380,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.389252529,
            "variance": 40.82254788
          },
          {
            "average": 141.7880587,
            "count": 4271380,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.69294148,
            "variance": 7866.437869
          },
          {
            "average": 3.669449452,
            "count": 4271380,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.501828793,
            "variance": 6.259147308
          },
          {
            "average": 63410603.17,
            "count": 4271380,
            "maximum": 63914696.61,
            "minimum": 63279494.62,
            "name": "GpsTime",
            "position": 12,
            "stddev": 132954.1139,
            "variance": 17676796390.0
          },
          {
            "average": 0,
            "count": 4271380,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4271380,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4271380,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4271380,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4271380,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.7992,
          2349998.436,
          -21.09602821,
          626999.7992,
          2350998.436,
          -9.476028206
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.7992369437,
                2349998.4362269277,
                -21.09602820559679
              ],
              [
                625999.7992369437,
                2350998.4362269277,
                -21.09602820559679
              ],
              [
                626999.7992369437,
                2350998.4362269277,
                -9.47602820559679
              ],
              [
                626999.7992369437,
                2349998.4362269277,
                -9.47602820559679
              ],
              [
                625999.7992369437,
                2349998.4362269277,
                -21.09602820559679
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:51:36+00:00",
        "end_time": "2013-09-15T11:24:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2650.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2650.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2650.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2650.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7856898,
            21.24720438,
            -21.09602821,
            -157.7759794,
            21.25630739,
            -9.476028206
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.785689757605,
                  21.247274044808176,
                  -21.09602820559679
                ],
                [
                  -157.78561571613477,
                  21.256307388400167,
                  -21.09602820559679
                ],
                [
                  -157.77597939000444,
                  21.256237690546957,
                  -9.47602820559679
                ],
                [
                  -157.7760540185635,
                  21.247204379507057,
                  -9.47602820559679
                ],
                [
                  -157.785689757605,
                  21.247274044808176,
                  -21.09602820559679
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2650.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2650.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:51:36Z",
            "pc:count": 4271380,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626518.6974,
                "count": 4271380,
                "maximum": 626999.7992,
                "minimum": 625999.7992,
                "name": "X",
                "position": 0,
                "stddev": 279.1346162,
                "variance": 77916.13395
              },
              {
                "average": 2350618.84,
                "count": 4271380,
                "maximum": 2350998.436,
                "minimum": 2349998.436,
                "name": "Y",
                "position": 1,
                "stddev": 265.7382715,
                "variance": 70616.82893
              },
              {
                "average": -15.95478427,
                "count": 4271380,
                "maximum": -9.476028206,
                "minimum": -21.09602821,
                "name": "Z",
                "position": 2,
                "stddev": 1.889867308,
                "variance": 3.571598441
              },
              {
                "average": 136.8647353,
                "count": 4271380,
                "maximum": 939,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 185.8440316,
                "variance": 34538.00409
              },
              {
                "average": 1.001135464,
                "count": 4271380,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03367752073,
                "variance": 0.001134175403
              },
              {
                "average": 1.001989053,
                "count": 4271380,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04455442573,
                "variance": 0.001985096852
              },
              {
                "average": 1,
                "count": 4271380,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4271380,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4271380,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.76636925,
                "count": 4271380,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.389252529,
                "variance": 40.82254788
              },
              {
                "average": 141.7880587,
                "count": 4271380,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.69294148,
                "variance": 7866.437869
              },
              {
                "average": 3.669449452,
                "count": 4271380,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.501828793,
                "variance": 6.259147308
              },
              {
                "average": 63410603.17,
                "count": 4271380,
                "maximum": 63914696.61,
                "minimum": 63279494.62,
                "name": "GpsTime",
                "position": 12,
                "stddev": 132954.1139,
                "variance": 17676796390.0
              },
              {
                "average": 0,
                "count": 4271380,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4271380,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4271380,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4271380,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4271380,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.7992,
              2349998.436,
              -21.09602821,
              626999.7992,
              2350998.436,
              -9.476028206
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.7992369437,
                    2349998.4362269277,
                    -21.09602820559679
                  ],
                  [
                    625999.7992369437,
                    2350998.4362269277,
                    -21.09602820559679
                  ],
                  [
                    626999.7992369437,
                    2350998.4362269277,
                    -9.47602820559679
                  ],
                  [
                    626999.7992369437,
                    2349998.4362269277,
                    -9.47602820559679
                  ],
                  [
                    625999.7992369437,
                    2349998.4362269277,
                    -21.09602820559679
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:51:36+00:00",
            "end_time": "2013-09-15T11:24:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2478.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.80290650063097,
              21.500343744408088,
              -44.360300597526745
            ],
            [
              -157.80283257335816,
              21.509375964913104,
              -44.360300597526745
            ],
            [
              -157.79317960385592,
              21.509306474223916,
              -7.540300597526748
            ],
            [
              -157.79325412858913,
              21.500274285484675,
              -7.540300597526748
            ],
            [
              -157.80290650063097,
              21.500343744408088,
              -44.360300597526745
            ]
          ]
        ]
      },
      "bbox": [
        -157.8029065,
        21.50027429,
        -44.3603006,
        -157.7931796,
        21.50937596,
        -7.540300598
      ],
      "properties": {
        "datetime": "2013-09-21T02:24:14Z",
        "pc:count": 448879,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624444.9128,
            "count": 448879,
            "maximum": 624999.8199,
            "minimum": 623999.8199,
            "name": "X",
            "position": 0,
            "stddev": 282.9640951,
            "variance": 80068.67911
          },
          {
            "average": 2378287.329,
            "count": 448879,
            "maximum": 2378998.389,
            "minimum": 2377998.489,
            "name": "Y",
            "position": 1,
            "stddev": 194.0009937,
            "variance": 37636.38555
          },
          {
            "average": -18.59403002,
            "count": 448879,
            "maximum": -7.540300598,
            "minimum": -44.3603006,
            "name": "Z",
            "position": 2,
            "stddev": 7.546453248,
            "variance": 56.94895663
          },
          {
            "average": 105.3202222,
            "count": 448879,
            "maximum": 808,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 85.70922517,
            "variance": 7346.07128
          },
          {
            "average": 1.002606493,
            "count": 448879,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05142237437,
            "variance": 0.002644260586
          },
          {
            "average": 1.004564705,
            "count": 448879,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.06773797791,
            "variance": 0.004588433651
          },
          {
            "average": 1,
            "count": 448879,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 448879,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 448879,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.06708305,
            "count": 448879,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.608125944,
            "variance": 92.31608416
          },
          {
            "average": 245.1364622,
            "count": 448879,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 23.24247168,
            "variance": 540.2124898
          },
          {
            "average": 10.64856231,
            "count": 448879,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.415479051,
            "variance": 29.32741335
          },
          {
            "average": 63744982.46,
            "count": 448879,
            "maximum": 63765454.39,
            "minimum": 63653302.47,
            "name": "GpsTime",
            "position": 12,
            "stddev": 40275.1644,
            "variance": 1622088867
          },
          {
            "average": 0,
            "count": 448879,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 448879,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 448879,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 448879,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 448879,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.8199,
          2377998.489,
          -44.3603006,
          624999.8199,
          2378998.389,
          -7.540300598
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.8199195104,
                2377998.48877926,
                -44.360300597526745
              ],
              [
                623999.8199195104,
                2378998.38877926,
                -44.360300597526745
              ],
              [
                624999.8199195104,
                2378998.38877926,
                -7.540300597526748
              ],
              [
                624999.8199195104,
                2377998.48877926,
                -7.540300597526748
              ],
              [
                623999.8199195104,
                2377998.48877926,
                -44.360300597526745
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:24:14+00:00",
        "end_time": "2013-09-19T19:15:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2478.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2478.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2478.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2478.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8029065,
            21.50027429,
            -44.3603006,
            -157.7931796,
            21.50937596,
            -7.540300598
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.80290650063097,
                  21.500343744408088,
                  -44.360300597526745
                ],
                [
                  -157.80283257335816,
                  21.509375964913104,
                  -44.360300597526745
                ],
                [
                  -157.79317960385592,
                  21.509306474223916,
                  -7.540300597526748
                ],
                [
                  -157.79325412858913,
                  21.500274285484675,
                  -7.540300597526748
                ],
                [
                  -157.80290650063097,
                  21.500343744408088,
                  -44.360300597526745
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2478.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2478.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:24:14Z",
            "pc:count": 448879,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624444.9128,
                "count": 448879,
                "maximum": 624999.8199,
                "minimum": 623999.8199,
                "name": "X",
                "position": 0,
                "stddev": 282.9640951,
                "variance": 80068.67911
              },
              {
                "average": 2378287.329,
                "count": 448879,
                "maximum": 2378998.389,
                "minimum": 2377998.489,
                "name": "Y",
                "position": 1,
                "stddev": 194.0009937,
                "variance": 37636.38555
              },
              {
                "average": -18.59403002,
                "count": 448879,
                "maximum": -7.540300598,
                "minimum": -44.3603006,
                "name": "Z",
                "position": 2,
                "stddev": 7.546453248,
                "variance": 56.94895663
              },
              {
                "average": 105.3202222,
                "count": 448879,
                "maximum": 808,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 85.70922517,
                "variance": 7346.07128
              },
              {
                "average": 1.002606493,
                "count": 448879,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05142237437,
                "variance": 0.002644260586
              },
              {
                "average": 1.004564705,
                "count": 448879,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.06773797791,
                "variance": 0.004588433651
              },
              {
                "average": 1,
                "count": 448879,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 448879,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 448879,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.06708305,
                "count": 448879,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.608125944,
                "variance": 92.31608416
              },
              {
                "average": 245.1364622,
                "count": 448879,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 23.24247168,
                "variance": 540.2124898
              },
              {
                "average": 10.64856231,
                "count": 448879,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.415479051,
                "variance": 29.32741335
              },
              {
                "average": 63744982.46,
                "count": 448879,
                "maximum": 63765454.39,
                "minimum": 63653302.47,
                "name": "GpsTime",
                "position": 12,
                "stddev": 40275.1644,
                "variance": 1622088867
              },
              {
                "average": 0,
                "count": 448879,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 448879,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 448879,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 448879,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 448879,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.8199,
              2377998.489,
              -44.3603006,
              624999.8199,
              2378998.389,
              -7.540300598
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.8199195104,
                    2377998.48877926,
                    -44.360300597526745
                  ],
                  [
                    623999.8199195104,
                    2378998.38877926,
                    -44.360300597526745
                  ],
                  [
                    624999.8199195104,
                    2378998.38877926,
                    -7.540300597526748
                  ],
                  [
                    624999.8199195104,
                    2377998.48877926,
                    -7.540300597526748
                  ],
                  [
                    623999.8199195104,
                    2377998.48877926,
                    -44.360300597526745
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:24:14+00:00",
            "end_time": "2013-09-19T19:15:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2479.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8028324361441,
              21.509377138871688,
              -43.77836220509944
            ],
            [
              -157.80279739513995,
              21.513656668175813,
              -43.77836220509944
            ],
            [
              -157.80078854978333,
              21.51364225007119,
              -33.77836220509944
            ],
            [
              -157.80082364966614,
              21.509362723899677,
              -33.77836220509944
            ],
            [
              -157.8028324361441,
              21.509377138871688,
              -43.77836220509944
            ]
          ]
        ]
      },
      "bbox": [
        -157.8028324,
        21.50936272,
        -43.77836221,
        -157.8007885,
        21.51365667,
        -33.77836221
      ],
      "properties": {
        "datetime": "2013-09-21T02:24:19Z",
        "pc:count": 6899,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624055.0506,
            "count": 6899,
            "maximum": 624207.9331,
            "minimum": 623999.8331,
            "name": "X",
            "position": 0,
            "stddev": 44.84164204,
            "variance": 2010.772861
          },
          {
            "average": 2379223.387,
            "count": 6899,
            "maximum": 2379472.279,
            "minimum": 2378998.519,
            "name": "Y",
            "position": 1,
            "stddev": 150.1511449,
            "variance": 22545.36631
          },
          {
            "average": -37.5487927,
            "count": 6899,
            "maximum": -33.77836221,
            "minimum": -43.77836221,
            "name": "Z",
            "position": 2,
            "stddev": 1.923136694,
            "variance": 3.698454744
          },
          {
            "average": 187.450645,
            "count": 6899,
            "maximum": 696,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 222.2008454,
            "variance": 49373.21571
          },
          {
            "average": 1,
            "count": 6899,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 6899,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 6899,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6899,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 6899,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.98481694,
            "count": 6899,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.135507892,
            "variance": 83.45750444
          },
          {
            "average": 249.0007247,
            "count": 6899,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.02691323938,
            "variance": 0.0007243224538
          },
          {
            "average": 19.36324105,
            "count": 6899,
            "maximum": 22,
            "minimum": 12,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.106330246,
            "variance": 16.86194809
          },
          {
            "average": 63764708.99,
            "count": 6899,
            "maximum": 63765459.94,
            "minimum": 63762574.58,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1165.651279,
            "variance": 1358742.905
          },
          {
            "average": 0,
            "count": 6899,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6899,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6899,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6899,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6899,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          623999.8331,
          2378998.519,
          -43.77836221,
          624207.9331,
          2379472.279,
          -33.77836221
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                623999.833137734,
                2378998.5188421374,
                -43.77836220509944
              ],
              [
                623999.833137734,
                2379472.278842137,
                -43.77836220509944
              ],
              [
                624207.9331377341,
                2379472.278842137,
                -33.77836220509944
              ],
              [
                624207.9331377341,
                2378998.5188421374,
                -33.77836220509944
              ],
              [
                623999.833137734,
                2378998.5188421374,
                -43.77836220509944
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:24:19+00:00",
        "end_time": "2013-09-21T01:36:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2479.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2479.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2479.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2479.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8028324,
            21.50936272,
            -43.77836221,
            -157.8007885,
            21.51365667,
            -33.77836221
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8028324361441,
                  21.509377138871688,
                  -43.77836220509944
                ],
                [
                  -157.80279739513995,
                  21.513656668175813,
                  -43.77836220509944
                ],
                [
                  -157.80078854978333,
                  21.51364225007119,
                  -33.77836220509944
                ],
                [
                  -157.80082364966614,
                  21.509362723899677,
                  -33.77836220509944
                ],
                [
                  -157.8028324361441,
                  21.509377138871688,
                  -43.77836220509944
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2479.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2479.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:24:19Z",
            "pc:count": 6899,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624055.0506,
                "count": 6899,
                "maximum": 624207.9331,
                "minimum": 623999.8331,
                "name": "X",
                "position": 0,
                "stddev": 44.84164204,
                "variance": 2010.772861
              },
              {
                "average": 2379223.387,
                "count": 6899,
                "maximum": 2379472.279,
                "minimum": 2378998.519,
                "name": "Y",
                "position": 1,
                "stddev": 150.1511449,
                "variance": 22545.36631
              },
              {
                "average": -37.5487927,
                "count": 6899,
                "maximum": -33.77836221,
                "minimum": -43.77836221,
                "name": "Z",
                "position": 2,
                "stddev": 1.923136694,
                "variance": 3.698454744
              },
              {
                "average": 187.450645,
                "count": 6899,
                "maximum": 696,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 222.2008454,
                "variance": 49373.21571
              },
              {
                "average": 1,
                "count": 6899,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 6899,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 6899,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6899,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 6899,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.98481694,
                "count": 6899,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.135507892,
                "variance": 83.45750444
              },
              {
                "average": 249.0007247,
                "count": 6899,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.02691323938,
                "variance": 0.0007243224538
              },
              {
                "average": 19.36324105,
                "count": 6899,
                "maximum": 22,
                "minimum": 12,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.106330246,
                "variance": 16.86194809
              },
              {
                "average": 63764708.99,
                "count": 6899,
                "maximum": 63765459.94,
                "minimum": 63762574.58,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1165.651279,
                "variance": 1358742.905
              },
              {
                "average": 0,
                "count": 6899,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6899,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6899,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6899,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6899,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              623999.8331,
              2378998.519,
              -43.77836221,
              624207.9331,
              2379472.279,
              -33.77836221
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    623999.833137734,
                    2378998.5188421374,
                    -43.77836220509944
                  ],
                  [
                    623999.833137734,
                    2379472.278842137,
                    -43.77836220509944
                  ],
                  [
                    624207.9331377341,
                    2379472.278842137,
                    -33.77836220509944
                  ],
                  [
                    624207.9331377341,
                    2378998.5188421374,
                    -33.77836220509944
                  ],
                  [
                    623999.833137734,
                    2378998.5188421374,
                    -43.77836220509944
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:24:19+00:00",
            "end_time": "2013-09-21T01:36:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2752.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77590467595547,
              21.265270982949698,
              -9.75083135861087
            ],
            [
              -157.77582996921564,
              21.274304273226832,
              -9.75083135861087
            ],
            [
              -157.7661925086656,
              21.274233956668187,
              51.289168641389125
            ],
            [
              -157.7662678033711,
              21.26520069867165,
              51.289168641389125
            ],
            [
              -157.77590467595547,
              21.265270982949698,
              -9.75083135861087
            ]
          ]
        ]
      },
      "bbox": [
        -157.7759047,
        21.2652007,
        -9.750831359,
        -157.7661925,
        21.27430427,
        51.28916864
      ],
      "properties": {
        "datetime": "2013-09-22T19:08:40Z",
        "pc:count": 8012226,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627524.32,
            "count": 8012226,
            "maximum": 627999.8041,
            "minimum": 626999.8041,
            "name": "X",
            "position": 0,
            "stddev": 296.882036,
            "variance": 88138.94328
          },
          {
            "average": 2352469.978,
            "count": 8012226,
            "maximum": 2352998.435,
            "minimum": 2351998.435,
            "name": "Y",
            "position": 1,
            "stddev": 284.2857853,
            "variance": 80818.40772
          },
          {
            "average": 0.495512766,
            "count": 8012226,
            "maximum": 51.28916864,
            "minimum": -9.750831359,
            "name": "Z",
            "position": 2,
            "stddev": 6.676743863,
            "variance": 44.57890861
          },
          {
            "average": 10.12382601,
            "count": 8012226,
            "maximum": 8470,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.48382819,
            "variance": 1331.06972
          },
          {
            "average": 1.131032624,
            "count": 8012226,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4866861207,
            "variance": 0.2368633801
          },
          {
            "average": 1.255515259,
            "count": 8012226,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7693989957,
            "variance": 0.5919748145
          },
          {
            "average": 1,
            "count": 8012226,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8012226,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 22.70710861,
            "count": 8012226,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.65176895,
            "variance": 135.7637196
          },
          {
            "average": 19.83803211,
            "count": 8012226,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.49044546,
            "variance": 12.18320951
          },
          {
            "average": 93.06124403,
            "count": 8012226,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.32195966,
            "variance": 4805.534092
          },
          {
            "average": 7.395635745,
            "count": 8012226,
            "maximum": 15,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.806178343,
            "variance": 14.48699358
          },
          {
            "average": 63575764.84,
            "count": 8012226,
            "maximum": 63912120.19,
            "minimum": 63380318.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 254657.5128,
            "variance": 64850448840.0
          },
          {
            "average": 0,
            "count": 8012226,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8012226,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8012226,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8012226,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8012226,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.8041,
          2351998.435,
          -9.750831359,
          627999.8041,
          2352998.435,
          51.28916864
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.8040592417,
                2351998.4353501583,
                -9.75083135861087
              ],
              [
                626999.8040592417,
                2352998.4353501583,
                -9.75083135861087
              ],
              [
                627999.8040592417,
                2352998.4353501583,
                51.289168641389125
              ],
              [
                627999.8040592417,
                2351998.4353501583,
                51.289168641389125
              ],
              [
                626999.8040592417,
                2351998.4353501583,
                -9.75083135861087
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:08:40+00:00",
        "end_time": "2013-09-16T15:25:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2752.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2752.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2752.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2752.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7759047,
            21.2652007,
            -9.750831359,
            -157.7661925,
            21.27430427,
            51.28916864
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77590467595547,
                  21.265270982949698,
                  -9.75083135861087
                ],
                [
                  -157.77582996921564,
                  21.274304273226832,
                  -9.75083135861087
                ],
                [
                  -157.7661925086656,
                  21.274233956668187,
                  51.289168641389125
                ],
                [
                  -157.7662678033711,
                  21.26520069867165,
                  51.289168641389125
                ],
                [
                  -157.77590467595547,
                  21.265270982949698,
                  -9.75083135861087
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2752.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2752.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:08:40Z",
            "pc:count": 8012226,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627524.32,
                "count": 8012226,
                "maximum": 627999.8041,
                "minimum": 626999.8041,
                "name": "X",
                "position": 0,
                "stddev": 296.882036,
                "variance": 88138.94328
              },
              {
                "average": 2352469.978,
                "count": 8012226,
                "maximum": 2352998.435,
                "minimum": 2351998.435,
                "name": "Y",
                "position": 1,
                "stddev": 284.2857853,
                "variance": 80818.40772
              },
              {
                "average": 0.495512766,
                "count": 8012226,
                "maximum": 51.28916864,
                "minimum": -9.750831359,
                "name": "Z",
                "position": 2,
                "stddev": 6.676743863,
                "variance": 44.57890861
              },
              {
                "average": 10.12382601,
                "count": 8012226,
                "maximum": 8470,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.48382819,
                "variance": 1331.06972
              },
              {
                "average": 1.131032624,
                "count": 8012226,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4866861207,
                "variance": 0.2368633801
              },
              {
                "average": 1.255515259,
                "count": 8012226,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7693989957,
                "variance": 0.5919748145
              },
              {
                "average": 1,
                "count": 8012226,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8012226,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 22.70710861,
                "count": 8012226,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.65176895,
                "variance": 135.7637196
              },
              {
                "average": 19.83803211,
                "count": 8012226,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.49044546,
                "variance": 12.18320951
              },
              {
                "average": 93.06124403,
                "count": 8012226,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.32195966,
                "variance": 4805.534092
              },
              {
                "average": 7.395635745,
                "count": 8012226,
                "maximum": 15,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.806178343,
                "variance": 14.48699358
              },
              {
                "average": 63575764.84,
                "count": 8012226,
                "maximum": 63912120.19,
                "minimum": 63380318.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 254657.5128,
                "variance": 64850448840.0
              },
              {
                "average": 0,
                "count": 8012226,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8012226,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8012226,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8012226,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8012226,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.8041,
              2351998.435,
              -9.750831359,
              627999.8041,
              2352998.435,
              51.28916864
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.8040592417,
                    2351998.4353501583,
                    -9.75083135861087
                  ],
                  [
                    626999.8040592417,
                    2352998.4353501583,
                    -9.75083135861087
                  ],
                  [
                    627999.8040592417,
                    2352998.4353501583,
                    51.289168641389125
                  ],
                  [
                    627999.8040592417,
                    2351998.4353501583,
                    51.289168641389125
                  ],
                  [
                    626999.8040592417,
                    2351998.4353501583,
                    -9.75083135861087
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:08:40+00:00",
            "end_time": "2013-09-16T15:25:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj2083.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84115832047493,
              21.545782131443982,
              -12.12006718465162
            ],
            [
              -157.84108657506584,
              21.55481533295881,
              -12.12006718465162
            ],
            [
              -157.83143046275234,
              21.554747919785825,
              0.259932815348381
            ],
            [
              -157.83150280510952,
              21.54571474952046,
              0.259932815348381
            ],
            [
              -157.84115832047493,
              21.545782131443982,
              -12.12006718465162
            ]
          ]
        ]
      },
      "bbox": [
        -157.8411583,
        21.54571475,
        -12.12006718,
        -157.8314305,
        21.55481533,
        0.2599328153
      ],
      "properties": {
        "datetime": "2013-09-22T00:27:03Z",
        "pc:count": 3810881,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620437.9225,
            "count": 3810881,
            "maximum": 620999.8154,
            "minimum": 619999.8154,
            "name": "X",
            "position": 0,
            "stddev": 247.2489253,
            "variance": 61132.03107
          },
          {
            "average": 2383463.335,
            "count": 3810881,
            "maximum": 2383998.487,
            "minimum": 2382998.487,
            "name": "Y",
            "position": 1,
            "stddev": 278.8095951,
            "variance": 77734.7903
          },
          {
            "average": -5.233160149,
            "count": 3810881,
            "maximum": 0.2599328153,
            "minimum": -12.12006718,
            "name": "Z",
            "position": 2,
            "stddev": 1.544531501,
            "variance": 2.385577556
          },
          {
            "average": 5.454741305,
            "count": 3810881,
            "maximum": 8621,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.85306148,
            "variance": 220.6134353
          },
          {
            "average": 1.01668853,
            "count": 3810881,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1292071032,
            "variance": 0.01669447553
          },
          {
            "average": 1.030900729,
            "count": 3810881,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.174954981,
            "variance": 0.03060924539
          },
          {
            "average": 1,
            "count": 3810881,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3810881,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3810881,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.90236186,
            "count": 3810881,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.595569325,
            "variance": 6.736980121
          },
          {
            "average": 90.96181933,
            "count": 3810881,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 65.10946935,
            "variance": 4239.242999
          },
          {
            "average": 2.959573128,
            "count": 3810881,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.604718735,
            "variance": 2.575122217
          },
          {
            "average": 63831348.14,
            "count": 3810881,
            "maximum": 63844823.08,
            "minimum": 63830252.88,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1265.770992,
            "variance": 1602176.203
          },
          {
            "average": 0,
            "count": 3810881,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3810881,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3810881,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3810881,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3810881,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.8154,
          2382998.487,
          -12.12006718,
          620999.8154,
          2383998.487,
          0.2599328153
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.8154392003,
                2382998.48733595,
                -12.12006718465162
              ],
              [
                619999.8154392003,
                2383998.48733595,
                -12.12006718465162
              ],
              [
                620999.8154392003,
                2383998.48733595,
                0.259932815348381
              ],
              [
                620999.8154392003,
                2382998.48733595,
                0.259932815348381
              ],
              [
                619999.8154392003,
                2382998.48733595,
                -12.12006718465162
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:27:03+00:00",
        "end_time": "2013-09-21T20:24:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj2083.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj2083.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj2083.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj2083.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8411583,
            21.54571475,
            -12.12006718,
            -157.8314305,
            21.55481533,
            0.2599328153
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84115832047493,
                  21.545782131443982,
                  -12.12006718465162
                ],
                [
                  -157.84108657506584,
                  21.55481533295881,
                  -12.12006718465162
                ],
                [
                  -157.83143046275234,
                  21.554747919785825,
                  0.259932815348381
                ],
                [
                  -157.83150280510952,
                  21.54571474952046,
                  0.259932815348381
                ],
                [
                  -157.84115832047493,
                  21.545782131443982,
                  -12.12006718465162
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj2083.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj2083.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:27:03Z",
            "pc:count": 3810881,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620437.9225,
                "count": 3810881,
                "maximum": 620999.8154,
                "minimum": 619999.8154,
                "name": "X",
                "position": 0,
                "stddev": 247.2489253,
                "variance": 61132.03107
              },
              {
                "average": 2383463.335,
                "count": 3810881,
                "maximum": 2383998.487,
                "minimum": 2382998.487,
                "name": "Y",
                "position": 1,
                "stddev": 278.8095951,
                "variance": 77734.7903
              },
              {
                "average": -5.233160149,
                "count": 3810881,
                "maximum": 0.2599328153,
                "minimum": -12.12006718,
                "name": "Z",
                "position": 2,
                "stddev": 1.544531501,
                "variance": 2.385577556
              },
              {
                "average": 5.454741305,
                "count": 3810881,
                "maximum": 8621,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.85306148,
                "variance": 220.6134353
              },
              {
                "average": 1.01668853,
                "count": 3810881,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1292071032,
                "variance": 0.01669447553
              },
              {
                "average": 1.030900729,
                "count": 3810881,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.174954981,
                "variance": 0.03060924539
              },
              {
                "average": 1,
                "count": 3810881,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3810881,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3810881,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.90236186,
                "count": 3810881,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.595569325,
                "variance": 6.736980121
              },
              {
                "average": 90.96181933,
                "count": 3810881,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 65.10946935,
                "variance": 4239.242999
              },
              {
                "average": 2.959573128,
                "count": 3810881,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.604718735,
                "variance": 2.575122217
              },
              {
                "average": 63831348.14,
                "count": 3810881,
                "maximum": 63844823.08,
                "minimum": 63830252.88,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1265.770992,
                "variance": 1602176.203
              },
              {
                "average": 0,
                "count": 3810881,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3810881,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3810881,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3810881,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3810881,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.8154,
              2382998.487,
              -12.12006718,
              620999.8154,
              2383998.487,
              0.2599328153
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.8154392003,
                    2382998.48733595,
                    -12.12006718465162
                  ],
                  [
                    619999.8154392003,
                    2383998.48733595,
                    -12.12006718465162
                  ],
                  [
                    620999.8154392003,
                    2383998.48733595,
                    0.259932815348381
                  ],
                  [
                    620999.8154392003,
                    2382998.48733595,
                    0.259932815348381
                  ],
                  [
                    619999.8154392003,
                    2382998.48733595,
                    -12.12006718465162
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:27:03+00:00",
            "end_time": "2013-09-21T20:24:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2371.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81307130464293,
              21.437180137379176,
              -11.262497461620839
            ],
            [
              -157.81299823516838,
              21.446213362567192,
              -11.262497461620839
            ],
            [
              -157.80334939785192,
              21.44614465174188,
              82.77750253837917
            ],
            [
              -157.80342306332795,
              21.437111458255703,
              82.77750253837917
            ],
            [
              -157.81307130464293,
              21.437180137379176,
              -11.262497461620839
            ]
          ]
        ]
      },
      "bbox": [
        -157.8130713,
        21.43711146,
        -11.26249746,
        -157.8033494,
        21.44621336,
        82.77750254
      ],
      "properties": {
        "datetime": "2013-09-21T00:24:20Z",
        "pc:count": 3225007,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623279.8995,
            "count": 3225007,
            "maximum": 623999.8085,
            "minimum": 622999.8085,
            "name": "X",
            "position": 0,
            "stddev": 204.8103606,
            "variance": 41947.2838
          },
          {
            "average": 2371408.406,
            "count": 3225007,
            "maximum": 2371998.473,
            "minimum": 2370998.473,
            "name": "Y",
            "position": 1,
            "stddev": 227.5950948,
            "variance": 51799.52718
          },
          {
            "average": 13.78583645,
            "count": 3225007,
            "maximum": 82.77750254,
            "minimum": -11.26249746,
            "name": "Z",
            "position": 2,
            "stddev": 14.13151339,
            "variance": 199.6996707
          },
          {
            "average": 5.987604678,
            "count": 3225007,
            "maximum": 5756,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.52885477,
            "variance": 241.1453304
          },
          {
            "average": 1.730474073,
            "count": 3225007,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.024551718,
            "variance": 1.049706222
          },
          {
            "average": 2.465899454,
            "count": 3225007,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.442090116,
            "variance": 2.079623901
          },
          {
            "average": 1,
            "count": 3225007,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3225007,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.517784302,
            "count": 3225007,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.05793849,
            "variance": 122.2780037
          },
          {
            "average": 20.03294742,
            "count": 3225007,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.939124053,
            "variance": 3.760202093
          },
          {
            "average": 91.91772855,
            "count": 3225007,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.36694853,
            "variance": 4811.773548
          },
          {
            "average": 6.850109783,
            "count": 3225007,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.69290435,
            "variance": 13.63754254
          },
          {
            "average": 63748768.73,
            "count": 3225007,
            "maximum": 63758260.47,
            "minimum": 63742400.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5835.75346,
            "variance": 34056018.45
          },
          {
            "average": 0,
            "count": 3225007,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3225007,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3225007,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3225007,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3225007,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8085,
          2370998.473,
          -11.26249746,
          623999.8085,
          2371998.473,
          82.77750254
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8084503808,
                2370998.4728549393,
                -11.262497461620839
              ],
              [
                622999.8084503808,
                2371998.4728549393,
                -11.262497461620839
              ],
              [
                623999.8084503808,
                2371998.4728549393,
                82.77750253837917
              ],
              [
                623999.8084503808,
                2370998.4728549393,
                82.77750253837917
              ],
              [
                622999.8084503808,
                2370998.4728549393,
                -11.262497461620839
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:24:20+00:00",
        "end_time": "2013-09-20T20:00:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2371.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2371.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2371.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2371.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8130713,
            21.43711146,
            -11.26249746,
            -157.8033494,
            21.44621336,
            82.77750254
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81307130464293,
                  21.437180137379176,
                  -11.262497461620839
                ],
                [
                  -157.81299823516838,
                  21.446213362567192,
                  -11.262497461620839
                ],
                [
                  -157.80334939785192,
                  21.44614465174188,
                  82.77750253837917
                ],
                [
                  -157.80342306332795,
                  21.437111458255703,
                  82.77750253837917
                ],
                [
                  -157.81307130464293,
                  21.437180137379176,
                  -11.262497461620839
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2371.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2371.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:24:20Z",
            "pc:count": 3225007,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623279.8995,
                "count": 3225007,
                "maximum": 623999.8085,
                "minimum": 622999.8085,
                "name": "X",
                "position": 0,
                "stddev": 204.8103606,
                "variance": 41947.2838
              },
              {
                "average": 2371408.406,
                "count": 3225007,
                "maximum": 2371998.473,
                "minimum": 2370998.473,
                "name": "Y",
                "position": 1,
                "stddev": 227.5950948,
                "variance": 51799.52718
              },
              {
                "average": 13.78583645,
                "count": 3225007,
                "maximum": 82.77750254,
                "minimum": -11.26249746,
                "name": "Z",
                "position": 2,
                "stddev": 14.13151339,
                "variance": 199.6996707
              },
              {
                "average": 5.987604678,
                "count": 3225007,
                "maximum": 5756,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.52885477,
                "variance": 241.1453304
              },
              {
                "average": 1.730474073,
                "count": 3225007,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.024551718,
                "variance": 1.049706222
              },
              {
                "average": 2.465899454,
                "count": 3225007,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.442090116,
                "variance": 2.079623901
              },
              {
                "average": 1,
                "count": 3225007,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3225007,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.517784302,
                "count": 3225007,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.05793849,
                "variance": 122.2780037
              },
              {
                "average": 20.03294742,
                "count": 3225007,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.939124053,
                "variance": 3.760202093
              },
              {
                "average": 91.91772855,
                "count": 3225007,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.36694853,
                "variance": 4811.773548
              },
              {
                "average": 6.850109783,
                "count": 3225007,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.69290435,
                "variance": 13.63754254
              },
              {
                "average": 63748768.73,
                "count": 3225007,
                "maximum": 63758260.47,
                "minimum": 63742400.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5835.75346,
                "variance": 34056018.45
              },
              {
                "average": 0,
                "count": 3225007,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3225007,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3225007,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3225007,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3225007,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8085,
              2370998.473,
              -11.26249746,
              623999.8085,
              2371998.473,
              82.77750254
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8084503808,
                    2370998.4728549393,
                    -11.262497461620839
                  ],
                  [
                    622999.8084503808,
                    2371998.4728549393,
                    -11.262497461620839
                  ],
                  [
                    623999.8084503808,
                    2371998.4728549393,
                    82.77750253837917
                  ],
                  [
                    623999.8084503808,
                    2370998.4728549393,
                    82.77750253837917
                  ],
                  [
                    622999.8084503808,
                    2370998.4728549393,
                    -11.262497461620839
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:24:20+00:00",
            "end_time": "2013-09-20T20:00:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2549.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.79539097933483,
              21.239305792095006,
              -58.30750492962143
            ],
            [
              -157.7953256563712,
              21.247343156604675,
              -58.30750492962143
            ],
            [
              -157.78568968507943,
              21.247274041244882,
              -12.467504929621427
            ],
            [
              -157.78575553015602,
              21.239236705431395,
              -12.467504929621427
            ],
            [
              -157.79539097933483,
              21.239305792095006,
              -58.30750492962143
            ]
          ]
        ]
      },
      "bbox": [
        -157.795391,
        21.23923671,
        -58.30750493,
        -157.7856897,
        21.24734316,
        -12.46750493
      ],
      "properties": {
        "datetime": "2013-09-17T12:34:03Z",
        "pc:count": 2127389,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625405.2671,
            "count": 2127389,
            "maximum": 625999.8068,
            "minimum": 624999.7868,
            "name": "X",
            "position": 0,
            "stddev": 279.227418,
            "variance": 77967.95099
          },
          {
            "average": 2349769.367,
            "count": 2127389,
            "maximum": 2349998.436,
            "minimum": 2349108.696,
            "name": "Y",
            "position": 1,
            "stddev": 190.4599159,
            "variance": 36274.97956
          },
          {
            "average": -20.00370523,
            "count": 2127389,
            "maximum": -12.46750493,
            "minimum": -58.30750493,
            "name": "Z",
            "position": 2,
            "stddev": 6.672392987,
            "variance": 44.52082817
          },
          {
            "average": 297.0275765,
            "count": 2127389,
            "maximum": 6473,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 415.6255613,
            "variance": 172744.6072
          },
          {
            "average": 1.002127961,
            "count": 2127389,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04625381535,
            "variance": 0.002139415434
          },
          {
            "average": 1.002725407,
            "count": 2127389,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05241301123,
            "variance": 0.002747123746
          },
          {
            "average": 1,
            "count": 2127389,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2127389,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2127389,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.38955651,
            "count": 2127389,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.78954156,
            "variance": 95.83512395
          },
          {
            "average": 193.3490565,
            "count": 2127389,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 81.88252192,
            "variance": 6704.747396
          },
          {
            "average": 7.533218889,
            "count": 2127389,
            "maximum": 16,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.703202088,
            "variance": 32.52651406
          },
          {
            "average": 63334270.98,
            "count": 2127389,
            "maximum": 63456443.79,
            "minimum": 63280261.32,
            "name": "GpsTime",
            "position": 12,
            "stddev": 59350.53107,
            "variance": 3522485538
          },
          {
            "average": 0,
            "count": 2127389,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2127389,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2127389,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2127389,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2127389,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.7868,
          2349108.696,
          -58.30750493,
          625999.8068,
          2349998.436,
          -12.46750493
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.786766239,
                2349108.6958903037,
                -58.30750492962143
              ],
              [
                624999.786766239,
                2349998.435890304,
                -58.30750492962143
              ],
              [
                625999.806766239,
                2349998.435890304,
                -12.467504929621427
              ],
              [
                625999.806766239,
                2349108.6958903037,
                -12.467504929621427
              ],
              [
                624999.786766239,
                2349108.6958903037,
                -58.30750492962143
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:34:03+00:00",
        "end_time": "2013-09-15T11:37:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2549.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2549.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2549.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2549.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.795391,
            21.23923671,
            -58.30750493,
            -157.7856897,
            21.24734316,
            -12.46750493
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.79539097933483,
                  21.239305792095006,
                  -58.30750492962143
                ],
                [
                  -157.7953256563712,
                  21.247343156604675,
                  -58.30750492962143
                ],
                [
                  -157.78568968507943,
                  21.247274041244882,
                  -12.467504929621427
                ],
                [
                  -157.78575553015602,
                  21.239236705431395,
                  -12.467504929621427
                ],
                [
                  -157.79539097933483,
                  21.239305792095006,
                  -58.30750492962143
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2549.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2549.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:34:03Z",
            "pc:count": 2127389,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625405.2671,
                "count": 2127389,
                "maximum": 625999.8068,
                "minimum": 624999.7868,
                "name": "X",
                "position": 0,
                "stddev": 279.227418,
                "variance": 77967.95099
              },
              {
                "average": 2349769.367,
                "count": 2127389,
                "maximum": 2349998.436,
                "minimum": 2349108.696,
                "name": "Y",
                "position": 1,
                "stddev": 190.4599159,
                "variance": 36274.97956
              },
              {
                "average": -20.00370523,
                "count": 2127389,
                "maximum": -12.46750493,
                "minimum": -58.30750493,
                "name": "Z",
                "position": 2,
                "stddev": 6.672392987,
                "variance": 44.52082817
              },
              {
                "average": 297.0275765,
                "count": 2127389,
                "maximum": 6473,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 415.6255613,
                "variance": 172744.6072
              },
              {
                "average": 1.002127961,
                "count": 2127389,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04625381535,
                "variance": 0.002139415434
              },
              {
                "average": 1.002725407,
                "count": 2127389,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05241301123,
                "variance": 0.002747123746
              },
              {
                "average": 1,
                "count": 2127389,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2127389,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2127389,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.38955651,
                "count": 2127389,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.78954156,
                "variance": 95.83512395
              },
              {
                "average": 193.3490565,
                "count": 2127389,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 81.88252192,
                "variance": 6704.747396
              },
              {
                "average": 7.533218889,
                "count": 2127389,
                "maximum": 16,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.703202088,
                "variance": 32.52651406
              },
              {
                "average": 63334270.98,
                "count": 2127389,
                "maximum": 63456443.79,
                "minimum": 63280261.32,
                "name": "GpsTime",
                "position": 12,
                "stddev": 59350.53107,
                "variance": 3522485538
              },
              {
                "average": 0,
                "count": 2127389,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2127389,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2127389,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2127389,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2127389,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.7868,
              2349108.696,
              -58.30750493,
              625999.8068,
              2349998.436,
              -12.46750493
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.786766239,
                    2349108.6958903037,
                    -58.30750492962143
                  ],
                  [
                    624999.786766239,
                    2349998.435890304,
                    -58.30750492962143
                  ],
                  [
                    625999.806766239,
                    2349998.435890304,
                    -12.467504929621427
                  ],
                  [
                    625999.806766239,
                    2349108.6958903037,
                    -12.467504929621427
                  ],
                  [
                    624999.786766239,
                    2349108.6958903037,
                    -58.30750492962143
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:34:03+00:00",
            "end_time": "2013-09-15T11:37:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1985.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8506715879384,
              21.563915360342342,
              -24.195009428187625
            ],
            [
              -157.85060036354554,
              21.57294857335683,
              -24.195009428187625
            ],
            [
              -157.84149986113212,
              21.57288553075298,
              -3.015009428187625
            ],
            [
              -157.84157164883558,
              21.56385234690983,
              -3.015009428187625
            ],
            [
              -157.8506715879384,
              21.563915360342342,
              -24.195009428187625
            ]
          ]
        ]
      },
      "bbox": [
        -157.8506716,
        21.56385235,
        -24.19500943,
        -157.8414999,
        21.57294857,
        -3.015009428
      ],
      "properties": {
        "datetime": "2013-09-23T23:52:02Z",
        "pc:count": 3177210,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619291.6619,
            "count": 3177210,
            "maximum": 619942.1502,
            "minimum": 618999.8102,
            "name": "X",
            "position": 0,
            "stddev": 212.7246693,
            "variance": 45251.78495
          },
          {
            "average": 2385347.495,
            "count": 3177210,
            "maximum": 2385998.482,
            "minimum": 2384998.482,
            "name": "Y",
            "position": 1,
            "stddev": 232.2788821,
            "variance": 53953.47908
          },
          {
            "average": -8.827266131,
            "count": 3177210,
            "maximum": -3.015009428,
            "minimum": -24.19500943,
            "name": "Z",
            "position": 2,
            "stddev": 2.603141496,
            "variance": 6.77634565
          },
          {
            "average": 10.4760872,
            "count": 3177210,
            "maximum": 6558,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.56444905,
            "variance": 815.9277497
          },
          {
            "average": 1.015202961,
            "count": 3177210,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1233458019,
            "variance": 0.01521418684
          },
          {
            "average": 1.028528174,
            "count": 3177210,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1681822447,
            "variance": 0.02828526745
          },
          {
            "average": 1,
            "count": 3177210,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3177210,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3177210,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.0499641,
            "count": 3177210,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.174476548,
            "variance": 38.12416064
          },
          {
            "average": 97.94187825,
            "count": 3177210,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 68.15234095,
            "variance": 4644.741577
          },
          {
            "average": 5.820241029,
            "count": 3177210,
            "maximum": 20,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.622047449,
            "variance": 43.85151241
          },
          {
            "average": 63869165.96,
            "count": 3177210,
            "maximum": 64015522.93,
            "minimum": 63830283.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 74602.69633,
            "variance": 5565562299
          },
          {
            "average": 0,
            "count": 3177210,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3177210,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3177210,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3177210,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3177210,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.8102,
          2384998.482,
          -24.19500943,
          619942.1502,
          2385998.482,
          -3.015009428
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.8102443832,
                2384998.4818034754,
                -24.195009428187625
              ],
              [
                618999.8102443832,
                2385998.4818034754,
                -24.195009428187625
              ],
              [
                619942.1502443833,
                2385998.4818034754,
                -3.015009428187625
              ],
              [
                619942.1502443833,
                2384998.4818034754,
                -3.015009428187625
              ],
              [
                618999.8102443832,
                2384998.4818034754,
                -24.195009428187625
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:52:02+00:00",
        "end_time": "2013-09-21T20:24:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1985.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1985.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1985.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1985.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8506716,
            21.56385235,
            -24.19500943,
            -157.8414999,
            21.57294857,
            -3.015009428
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8506715879384,
                  21.563915360342342,
                  -24.195009428187625
                ],
                [
                  -157.85060036354554,
                  21.57294857335683,
                  -24.195009428187625
                ],
                [
                  -157.84149986113212,
                  21.57288553075298,
                  -3.015009428187625
                ],
                [
                  -157.84157164883558,
                  21.56385234690983,
                  -3.015009428187625
                ],
                [
                  -157.8506715879384,
                  21.563915360342342,
                  -24.195009428187625
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1985.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1985.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:52:02Z",
            "pc:count": 3177210,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619291.6619,
                "count": 3177210,
                "maximum": 619942.1502,
                "minimum": 618999.8102,
                "name": "X",
                "position": 0,
                "stddev": 212.7246693,
                "variance": 45251.78495
              },
              {
                "average": 2385347.495,
                "count": 3177210,
                "maximum": 2385998.482,
                "minimum": 2384998.482,
                "name": "Y",
                "position": 1,
                "stddev": 232.2788821,
                "variance": 53953.47908
              },
              {
                "average": -8.827266131,
                "count": 3177210,
                "maximum": -3.015009428,
                "minimum": -24.19500943,
                "name": "Z",
                "position": 2,
                "stddev": 2.603141496,
                "variance": 6.77634565
              },
              {
                "average": 10.4760872,
                "count": 3177210,
                "maximum": 6558,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.56444905,
                "variance": 815.9277497
              },
              {
                "average": 1.015202961,
                "count": 3177210,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1233458019,
                "variance": 0.01521418684
              },
              {
                "average": 1.028528174,
                "count": 3177210,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1681822447,
                "variance": 0.02828526745
              },
              {
                "average": 1,
                "count": 3177210,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3177210,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3177210,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.0499641,
                "count": 3177210,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.174476548,
                "variance": 38.12416064
              },
              {
                "average": 97.94187825,
                "count": 3177210,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 68.15234095,
                "variance": 4644.741577
              },
              {
                "average": 5.820241029,
                "count": 3177210,
                "maximum": 20,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.622047449,
                "variance": 43.85151241
              },
              {
                "average": 63869165.96,
                "count": 3177210,
                "maximum": 64015522.93,
                "minimum": 63830283.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 74602.69633,
                "variance": 5565562299
              },
              {
                "average": 0,
                "count": 3177210,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3177210,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3177210,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3177210,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3177210,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.8102,
              2384998.482,
              -24.19500943,
              619942.1502,
              2385998.482,
              -3.015009428
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.8102443832,
                    2384998.4818034754,
                    -24.195009428187625
                  ],
                  [
                    618999.8102443832,
                    2385998.4818034754,
                    -24.195009428187625
                  ],
                  [
                    619942.1502443833,
                    2385998.4818034754,
                    -3.015009428187625
                  ],
                  [
                    619942.1502443833,
                    2384998.4818034754,
                    -3.015009428187625
                  ],
                  [
                    618999.8102443832,
                    2384998.4818034754,
                    -24.195009428187625
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:52:02+00:00",
            "end_time": "2013-09-21T20:24:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2372.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8129982334248,
              21.446213411561068,
              -14.318786553220004
            ],
            [
              -157.8129251263243,
              21.455246626650933,
              -14.318786553220004
            ],
            [
              -157.80327569291012,
              21.455177884160918,
              1.941213446779996
            ],
            [
              -157.80334939610512,
              21.446144700735505,
              1.941213446779996
            ],
            [
              -157.8129982334248,
              21.446213411561068,
              -14.318786553220004
            ]
          ]
        ]
      },
      "bbox": [
        -157.8129982,
        21.4461447,
        -14.31878655,
        -157.8032757,
        21.45524663,
        1.941213447
      ],
      "properties": {
        "datetime": "2013-09-23T22:34:34Z",
        "pc:count": 587602,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623479.9221,
            "count": 587602,
            "maximum": 623999.8086,
            "minimum": 622999.8086,
            "name": "X",
            "position": 0,
            "stddev": 303.3132149,
            "variance": 91998.90631
          },
          {
            "average": 2372519.221,
            "count": 587602,
            "maximum": 2372998.478,
            "minimum": 2371998.478,
            "name": "Y",
            "position": 1,
            "stddev": 284.7565763,
            "variance": 81086.30773
          },
          {
            "average": -9.094455101,
            "count": 587602,
            "maximum": 1.941213447,
            "minimum": -14.31878655,
            "name": "Z",
            "position": 2,
            "stddev": 4.873224984,
            "variance": 23.74832174
          },
          {
            "average": 27.76330918,
            "count": 587602,
            "maximum": 4307,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.59908622,
            "variance": 1568.087629
          },
          {
            "average": 1.202640563,
            "count": 587602,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4082142791,
            "variance": 0.1666388977
          },
          {
            "average": 1.219383188,
            "count": 587602,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4223808794,
            "variance": 0.1784056073
          },
          {
            "average": 1,
            "count": 587602,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 587602,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 587602,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.41087902,
            "count": 587602,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.660815737,
            "variance": 44.36646629
          },
          {
            "average": 200.9421122,
            "count": 587602,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 82.86351856,
            "variance": 6866.362709
          },
          {
            "average": 5.033003632,
            "count": 587602,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.650448212,
            "variance": 2.7239793
          },
          {
            "average": 63749030.86,
            "count": 587602,
            "maximum": 64010874.01,
            "minimum": 63739964.34,
            "name": "GpsTime",
            "position": 12,
            "stddev": 41255.33547,
            "variance": 1702002705
          },
          {
            "average": 0,
            "count": 587602,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 587602,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 587602,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 587602,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 587602,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8086,
          2371998.478,
          -14.31878655,
          623999.8086,
          2372998.478,
          1.941213447
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8085899903,
                2371998.478279741,
                -14.318786553220004
              ],
              [
                622999.8085899903,
                2372998.478279741,
                -14.318786553220004
              ],
              [
                623999.8085899903,
                2372998.478279741,
                1.941213446779996
              ],
              [
                623999.8085899903,
                2371998.478279741,
                1.941213446779996
              ],
              [
                622999.8085899903,
                2371998.478279741,
                -14.318786553220004
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T22:34:34+00:00",
        "end_time": "2013-09-20T19:19:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2372.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2372.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2372.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2372.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8129982,
            21.4461447,
            -14.31878655,
            -157.8032757,
            21.45524663,
            1.941213447
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8129982334248,
                  21.446213411561068,
                  -14.318786553220004
                ],
                [
                  -157.8129251263243,
                  21.455246626650933,
                  -14.318786553220004
                ],
                [
                  -157.80327569291012,
                  21.455177884160918,
                  1.941213446779996
                ],
                [
                  -157.80334939610512,
                  21.446144700735505,
                  1.941213446779996
                ],
                [
                  -157.8129982334248,
                  21.446213411561068,
                  -14.318786553220004
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2372.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2372.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T22:34:34Z",
            "pc:count": 587602,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623479.9221,
                "count": 587602,
                "maximum": 623999.8086,
                "minimum": 622999.8086,
                "name": "X",
                "position": 0,
                "stddev": 303.3132149,
                "variance": 91998.90631
              },
              {
                "average": 2372519.221,
                "count": 587602,
                "maximum": 2372998.478,
                "minimum": 2371998.478,
                "name": "Y",
                "position": 1,
                "stddev": 284.7565763,
                "variance": 81086.30773
              },
              {
                "average": -9.094455101,
                "count": 587602,
                "maximum": 1.941213447,
                "minimum": -14.31878655,
                "name": "Z",
                "position": 2,
                "stddev": 4.873224984,
                "variance": 23.74832174
              },
              {
                "average": 27.76330918,
                "count": 587602,
                "maximum": 4307,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.59908622,
                "variance": 1568.087629
              },
              {
                "average": 1.202640563,
                "count": 587602,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4082142791,
                "variance": 0.1666388977
              },
              {
                "average": 1.219383188,
                "count": 587602,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4223808794,
                "variance": 0.1784056073
              },
              {
                "average": 1,
                "count": 587602,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 587602,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 587602,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.41087902,
                "count": 587602,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.660815737,
                "variance": 44.36646629
              },
              {
                "average": 200.9421122,
                "count": 587602,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 82.86351856,
                "variance": 6866.362709
              },
              {
                "average": 5.033003632,
                "count": 587602,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.650448212,
                "variance": 2.7239793
              },
              {
                "average": 63749030.86,
                "count": 587602,
                "maximum": 64010874.01,
                "minimum": 63739964.34,
                "name": "GpsTime",
                "position": 12,
                "stddev": 41255.33547,
                "variance": 1702002705
              },
              {
                "average": 0,
                "count": 587602,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 587602,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 587602,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 587602,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 587602,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8086,
              2371998.478,
              -14.31878655,
              623999.8086,
              2372998.478,
              1.941213447
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8085899903,
                    2371998.478279741,
                    -14.318786553220004
                  ],
                  [
                    622999.8085899903,
                    2372998.478279741,
                    -14.318786553220004
                  ],
                  [
                    623999.8085899903,
                    2372998.478279741,
                    1.941213446779996
                  ],
                  [
                    623999.8085899903,
                    2371998.478279741,
                    1.941213446779996
                  ],
                  [
                    622999.8085899903,
                    2371998.478279741,
                    -14.318786553220004
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T22:34:34+00:00",
            "end_time": "2013-09-20T19:19:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj2084.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84108659054263,
              21.554815274730593,
              -11.100258423857206
            ],
            [
              -157.84102126169137,
              21.56303638297163,
              -11.100258423857206
            ],
            [
              -157.83539432383367,
              21.562997152733754,
              -3.780258423857205
            ],
            [
              -157.83545996945415,
              21.554776061029585,
              -3.780258423857205
            ],
            [
              -157.84108659054263,
              21.554815274730593,
              -11.100258423857206
            ]
          ]
        ]
      },
      "bbox": [
        -157.8410866,
        21.55477606,
        -11.10025842,
        -157.8353943,
        21.56303638,
        -3.780258424
      ],
      "properties": {
        "datetime": "2013-09-21T20:46:05Z",
        "pc:count": 1138810,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620182.538,
            "count": 1138810,
            "maximum": 620582.5139,
            "minimum": 619999.8139,
            "name": "X",
            "position": 0,
            "stddev": 138.4680304,
            "variance": 19173.39544
          },
          {
            "average": 2384287.537,
            "count": 1138810,
            "maximum": 2384908.581,
            "minimum": 2383998.481,
            "name": "Y",
            "position": 1,
            "stddev": 208.5376045,
            "variance": 43487.93248
          },
          {
            "average": -6.746257906,
            "count": 1138810,
            "maximum": -3.780258424,
            "minimum": -11.10025842,
            "name": "Z",
            "position": 2,
            "stddev": 1.211169392,
            "variance": 1.466931297
          },
          {
            "average": 6.611079987,
            "count": 1138810,
            "maximum": 8430,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.00834859,
            "variance": 484.3674075
          },
          {
            "average": 1.01144089,
            "count": 1138810,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1072119825,
            "variance": 0.0114944092
          },
          {
            "average": 1.022056357,
            "count": 1138810,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.148134966,
            "variance": 0.02194396815
          },
          {
            "average": 1,
            "count": 1138810,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1138810,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1138810,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.29427029,
            "count": 1138810,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.922565099,
            "variance": 15.38651696
          },
          {
            "average": 92.09361702,
            "count": 1138810,
            "maximum": 250,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 62.48709735,
            "variance": 3904.637335
          },
          {
            "average": 1.558940473,
            "count": 1138810,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8031815094,
            "variance": 0.6451005371
          },
          {
            "average": 63830595.01,
            "count": 1138810,
            "maximum": 63831565.54,
            "minimum": 63830266.71,
            "name": "GpsTime",
            "position": 12,
            "stddev": 401.2346002,
            "variance": 160989.2044
          },
          {
            "average": 0,
            "count": 1138810,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1138810,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1138810,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1138810,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1138810,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.8139,
          2383998.481,
          -11.10025842,
          620582.5139,
          2384908.581,
          -3.780258424
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.8138843976,
                2383998.480878369,
                -11.100258423857206
              ],
              [
                619999.8138843976,
                2384908.5808783686,
                -11.100258423857206
              ],
              [
                620582.5138843976,
                2384908.5808783686,
                -3.780258423857205
              ],
              [
                620582.5138843976,
                2383998.480878369,
                -3.780258423857205
              ],
              [
                619999.8138843976,
                2383998.480878369,
                -11.100258423857206
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T20:46:05+00:00",
        "end_time": "2013-09-21T20:24:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj2084.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj2084.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj2084.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj2084.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8410866,
            21.55477606,
            -11.10025842,
            -157.8353943,
            21.56303638,
            -3.780258424
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84108659054263,
                  21.554815274730593,
                  -11.100258423857206
                ],
                [
                  -157.84102126169137,
                  21.56303638297163,
                  -11.100258423857206
                ],
                [
                  -157.83539432383367,
                  21.562997152733754,
                  -3.780258423857205
                ],
                [
                  -157.83545996945415,
                  21.554776061029585,
                  -3.780258423857205
                ],
                [
                  -157.84108659054263,
                  21.554815274730593,
                  -11.100258423857206
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj2084.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj2084.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T20:46:05Z",
            "pc:count": 1138810,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620182.538,
                "count": 1138810,
                "maximum": 620582.5139,
                "minimum": 619999.8139,
                "name": "X",
                "position": 0,
                "stddev": 138.4680304,
                "variance": 19173.39544
              },
              {
                "average": 2384287.537,
                "count": 1138810,
                "maximum": 2384908.581,
                "minimum": 2383998.481,
                "name": "Y",
                "position": 1,
                "stddev": 208.5376045,
                "variance": 43487.93248
              },
              {
                "average": -6.746257906,
                "count": 1138810,
                "maximum": -3.780258424,
                "minimum": -11.10025842,
                "name": "Z",
                "position": 2,
                "stddev": 1.211169392,
                "variance": 1.466931297
              },
              {
                "average": 6.611079987,
                "count": 1138810,
                "maximum": 8430,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.00834859,
                "variance": 484.3674075
              },
              {
                "average": 1.01144089,
                "count": 1138810,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1072119825,
                "variance": 0.0114944092
              },
              {
                "average": 1.022056357,
                "count": 1138810,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.148134966,
                "variance": 0.02194396815
              },
              {
                "average": 1,
                "count": 1138810,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1138810,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1138810,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.29427029,
                "count": 1138810,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.922565099,
                "variance": 15.38651696
              },
              {
                "average": 92.09361702,
                "count": 1138810,
                "maximum": 250,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 62.48709735,
                "variance": 3904.637335
              },
              {
                "average": 1.558940473,
                "count": 1138810,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8031815094,
                "variance": 0.6451005371
              },
              {
                "average": 63830595.01,
                "count": 1138810,
                "maximum": 63831565.54,
                "minimum": 63830266.71,
                "name": "GpsTime",
                "position": 12,
                "stddev": 401.2346002,
                "variance": 160989.2044
              },
              {
                "average": 0,
                "count": 1138810,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1138810,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1138810,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1138810,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1138810,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.8139,
              2383998.481,
              -11.10025842,
              620582.5139,
              2384908.581,
              -3.780258424
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.8138843976,
                    2383998.480878369,
                    -11.100258423857206
                  ],
                  [
                    619999.8138843976,
                    2384908.5808783686,
                    -11.100258423857206
                  ],
                  [
                    620582.5138843976,
                    2384908.5808783686,
                    -3.780258423857205
                  ],
                  [
                    620582.5138843976,
                    2383998.480878369,
                    -3.780258423857205
                  ],
                  [
                    619999.8138843976,
                    2383998.480878369,
                    -11.100258423857206
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T20:46:05+00:00",
            "end_time": "2013-09-21T20:24:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2150.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.83385168599793,
              21.249817536503187,
              -51.44432018934249
            ],
            [
              -157.8337979200995,
              21.256647587406057,
              -51.44432018934249
            ],
            [
              -157.824161591315,
              21.25658065135152,
              -3.484320189342494
            ],
            [
              -157.82421580057238,
              21.249750624920946,
              -3.484320189342494
            ],
            [
              -157.83385168599793,
              21.249817536503187,
              -51.44432018934249
            ]
          ]
        ]
      },
      "bbox": [
        -157.8338517,
        21.24975062,
        -51.44432019,
        -157.8241616,
        21.25664759,
        -3.484320189
      ],
      "properties": {
        "datetime": "2013-09-17T12:50:55Z",
        "pc:count": 474388,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621718.0327,
            "count": 474388,
            "maximum": 621999.7807,
            "minimum": 620999.8007,
            "name": "X",
            "position": 0,
            "stddev": 251.9249102,
            "variance": 63466.16039
          },
          {
            "average": 2350803.759,
            "count": 474388,
            "maximum": 2350998.435,
            "minimum": 2350242.355,
            "name": "Y",
            "position": 1,
            "stddev": 163.9614571,
            "variance": 26883.35941
          },
          {
            "average": -15.2602043,
            "count": 474388,
            "maximum": -3.484320189,
            "minimum": -51.44432019,
            "name": "Z",
            "position": 2,
            "stddev": 8.304969634,
            "variance": 68.97252063
          },
          {
            "average": 227.9280884,
            "count": 474388,
            "maximum": 3227,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 287.0341957,
            "variance": 82388.62952
          },
          {
            "average": 1.012961964,
            "count": 474388,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1140200004,
            "variance": 0.01300056048
          },
          {
            "average": 1.018815822,
            "count": 474388,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1379222573,
            "variance": 0.01902254905
          },
          {
            "average": 1,
            "count": 474388,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 474388,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 474388,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.809076166,
            "count": 474388,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.35188045,
            "variance": 107.1614288
          },
          {
            "average": 195.4549377,
            "count": 474388,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 80.41133446,
            "variance": 6465.98271
          },
          {
            "average": 14.28465728,
            "count": 474388,
            "maximum": 19,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.545376603,
            "variance": 42.84195488
          },
          {
            "average": 63326638.96,
            "count": 474388,
            "maximum": 63457455.38,
            "minimum": 63282707.42,
            "name": "GpsTime",
            "position": 12,
            "stddev": 74795.27727,
            "variance": 5594333502
          },
          {
            "average": 0,
            "count": 474388,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 474388,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 474388,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 474388,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 474388,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.8007,
          2350242.355,
          -51.44432019,
          621999.7807,
          2350998.435,
          -3.484320189
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.8007268482,
                2350242.3546395795,
                -51.44432018934249
              ],
              [
                620999.8007268482,
                2350998.4346395796,
                -51.44432018934249
              ],
              [
                621999.7807268482,
                2350998.4346395796,
                -3.484320189342494
              ],
              [
                621999.7807268482,
                2350242.3546395795,
                -3.484320189342494
              ],
              [
                620999.8007268482,
                2350242.3546395795,
                -51.44432018934249
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:50:55+00:00",
        "end_time": "2013-09-15T12:18:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2150.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2150.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2150.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2150.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8338517,
            21.24975062,
            -51.44432019,
            -157.8241616,
            21.25664759,
            -3.484320189
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.83385168599793,
                  21.249817536503187,
                  -51.44432018934249
                ],
                [
                  -157.8337979200995,
                  21.256647587406057,
                  -51.44432018934249
                ],
                [
                  -157.824161591315,
                  21.25658065135152,
                  -3.484320189342494
                ],
                [
                  -157.82421580057238,
                  21.249750624920946,
                  -3.484320189342494
                ],
                [
                  -157.83385168599793,
                  21.249817536503187,
                  -51.44432018934249
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2150.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2150.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:50:55Z",
            "pc:count": 474388,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621718.0327,
                "count": 474388,
                "maximum": 621999.7807,
                "minimum": 620999.8007,
                "name": "X",
                "position": 0,
                "stddev": 251.9249102,
                "variance": 63466.16039
              },
              {
                "average": 2350803.759,
                "count": 474388,
                "maximum": 2350998.435,
                "minimum": 2350242.355,
                "name": "Y",
                "position": 1,
                "stddev": 163.9614571,
                "variance": 26883.35941
              },
              {
                "average": -15.2602043,
                "count": 474388,
                "maximum": -3.484320189,
                "minimum": -51.44432019,
                "name": "Z",
                "position": 2,
                "stddev": 8.304969634,
                "variance": 68.97252063
              },
              {
                "average": 227.9280884,
                "count": 474388,
                "maximum": 3227,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 287.0341957,
                "variance": 82388.62952
              },
              {
                "average": 1.012961964,
                "count": 474388,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1140200004,
                "variance": 0.01300056048
              },
              {
                "average": 1.018815822,
                "count": 474388,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1379222573,
                "variance": 0.01902254905
              },
              {
                "average": 1,
                "count": 474388,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 474388,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 474388,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.809076166,
                "count": 474388,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.35188045,
                "variance": 107.1614288
              },
              {
                "average": 195.4549377,
                "count": 474388,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 80.41133446,
                "variance": 6465.98271
              },
              {
                "average": 14.28465728,
                "count": 474388,
                "maximum": 19,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.545376603,
                "variance": 42.84195488
              },
              {
                "average": 63326638.96,
                "count": 474388,
                "maximum": 63457455.38,
                "minimum": 63282707.42,
                "name": "GpsTime",
                "position": 12,
                "stddev": 74795.27727,
                "variance": 5594333502
              },
              {
                "average": 0,
                "count": 474388,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 474388,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 474388,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 474388,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 474388,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.8007,
              2350242.355,
              -51.44432019,
              621999.7807,
              2350998.435,
              -3.484320189
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.8007268482,
                    2350242.3546395795,
                    -51.44432018934249
                  ],
                  [
                    620999.8007268482,
                    2350998.4346395796,
                    -51.44432018934249
                  ],
                  [
                    621999.7807268482,
                    2350998.4346395796,
                    -3.484320189342494
                  ],
                  [
                    621999.7807268482,
                    2350242.3546395795,
                    -3.484320189342494
                  ],
                  [
                    620999.8007268482,
                    2350242.3546395795,
                    -51.44432018934249
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:50:55+00:00",
            "end_time": "2013-09-15T12:18:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2373.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8129251474386,
              21.455246774196464,
              -15.357783798328589
            ],
            [
              -157.8128520041718,
              21.46427979852078,
              -15.357783798328589
            ],
            [
              -157.80320178157018,
              21.46421102302583,
              0.462216201671412
            ],
            [
              -157.80327552102642,
              21.45517803032679,
              0.462216201671412
            ],
            [
              -157.8129251474386,
              21.455246774196464,
              -15.357783798328589
            ]
          ]
        ]
      },
      "bbox": [
        -157.8129251,
        21.45517803,
        -15.3577838,
        -157.8032018,
        21.4642798,
        0.4622162017
      ],
      "properties": {
        "datetime": "2013-09-23T22:34:24Z",
        "pc:count": 850680,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623654.6299,
            "count": 850680,
            "maximum": 623999.8263,
            "minimum": 622999.8063,
            "name": "X",
            "position": 0,
            "stddev": 269.9420078,
            "variance": 72868.68758
          },
          {
            "average": 2373680.975,
            "count": 850680,
            "maximum": 2373998.475,
            "minimum": 2372998.495,
            "name": "Y",
            "position": 1,
            "stddev": 229.3538667,
            "variance": 52603.19617
          },
          {
            "average": -4.317422499,
            "count": 850680,
            "maximum": 0.4622162017,
            "minimum": -15.3577838,
            "name": "Z",
            "position": 2,
            "stddev": 5.678330353,
            "variance": 32.2434356
          },
          {
            "average": 8.964132224,
            "count": 850680,
            "maximum": 3337,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.06489122,
            "variance": 787.6381192
          },
          {
            "average": 1.16013307,
            "count": 850680,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4158576232,
            "variance": 0.1729375627
          },
          {
            "average": 1.170284949,
            "count": 850680,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4251064325,
            "variance": 0.180715479
          },
          {
            "average": 1,
            "count": 850680,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 850680,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 850680,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.98276188,
            "count": 850680,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.929915101,
            "variance": 35.16389311
          },
          {
            "average": 123.576929,
            "count": 850680,
            "maximum": 254,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.99711039,
            "variance": 7920.485659
          },
          {
            "average": 2.439114591,
            "count": 850680,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.679057139,
            "variance": 7.177347156
          },
          {
            "average": 63700388.13,
            "count": 850680,
            "maximum": 64010864.9,
            "minimum": 63658425.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 35862.90704,
            "variance": 1286148102
          },
          {
            "average": 0,
            "count": 850680,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 850680,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 850680,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 850680,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 850680,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8063,
          2372998.495,
          -15.3577838,
          623999.8263,
          2373998.475,
          0.4622162017
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8062782085,
                2372998.4945958965,
                -15.357783798328589
              ],
              [
                622999.8062782085,
                2373998.474595897,
                -15.357783798328589
              ],
              [
                623999.8262782085,
                2373998.474595897,
                0.462216201671412
              ],
              [
                623999.8262782085,
                2372998.4945958965,
                0.462216201671412
              ],
              [
                622999.8062782085,
                2372998.4945958965,
                -15.357783798328589
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T22:34:24+00:00",
        "end_time": "2013-09-19T20:40:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2373.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2373.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2373.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2373.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8129251,
            21.45517803,
            -15.3577838,
            -157.8032018,
            21.4642798,
            0.4622162017
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8129251474386,
                  21.455246774196464,
                  -15.357783798328589
                ],
                [
                  -157.8128520041718,
                  21.46427979852078,
                  -15.357783798328589
                ],
                [
                  -157.80320178157018,
                  21.46421102302583,
                  0.462216201671412
                ],
                [
                  -157.80327552102642,
                  21.45517803032679,
                  0.462216201671412
                ],
                [
                  -157.8129251474386,
                  21.455246774196464,
                  -15.357783798328589
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2373.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2373.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T22:34:24Z",
            "pc:count": 850680,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623654.6299,
                "count": 850680,
                "maximum": 623999.8263,
                "minimum": 622999.8063,
                "name": "X",
                "position": 0,
                "stddev": 269.9420078,
                "variance": 72868.68758
              },
              {
                "average": 2373680.975,
                "count": 850680,
                "maximum": 2373998.475,
                "minimum": 2372998.495,
                "name": "Y",
                "position": 1,
                "stddev": 229.3538667,
                "variance": 52603.19617
              },
              {
                "average": -4.317422499,
                "count": 850680,
                "maximum": 0.4622162017,
                "minimum": -15.3577838,
                "name": "Z",
                "position": 2,
                "stddev": 5.678330353,
                "variance": 32.2434356
              },
              {
                "average": 8.964132224,
                "count": 850680,
                "maximum": 3337,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.06489122,
                "variance": 787.6381192
              },
              {
                "average": 1.16013307,
                "count": 850680,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4158576232,
                "variance": 0.1729375627
              },
              {
                "average": 1.170284949,
                "count": 850680,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4251064325,
                "variance": 0.180715479
              },
              {
                "average": 1,
                "count": 850680,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 850680,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 850680,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.98276188,
                "count": 850680,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.929915101,
                "variance": 35.16389311
              },
              {
                "average": 123.576929,
                "count": 850680,
                "maximum": 254,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.99711039,
                "variance": 7920.485659
              },
              {
                "average": 2.439114591,
                "count": 850680,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.679057139,
                "variance": 7.177347156
              },
              {
                "average": 63700388.13,
                "count": 850680,
                "maximum": 64010864.9,
                "minimum": 63658425.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 35862.90704,
                "variance": 1286148102
              },
              {
                "average": 0,
                "count": 850680,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 850680,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 850680,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 850680,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 850680,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8063,
              2372998.495,
              -15.3577838,
              623999.8263,
              2373998.475,
              0.4622162017
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8062782085,
                    2372998.4945958965,
                    -15.357783798328589
                  ],
                  [
                    622999.8062782085,
                    2373998.474595897,
                    -15.357783798328589
                  ],
                  [
                    623999.8262782085,
                    2373998.474595897,
                    0.462216201671412
                  ],
                  [
                    623999.8262782085,
                    2372998.4945958965,
                    0.462216201671412
                  ],
                  [
                    622999.8062782085,
                    2372998.4945958965,
                    -15.357783798328589
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T22:34:24+00:00",
            "end_time": "2013-09-19T20:40:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2252.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82408986596332,
              21.26561411299199,
              -2.31869865178588
            ],
            [
              -157.82401809736817,
              21.27464756549894,
              -2.31869865178588
            ],
            [
              -157.81438024740564,
              21.27458000820701,
              107.74130134821412
            ],
            [
              -157.81445260354795,
              21.265546587959122,
              107.74130134821412
            ],
            [
              -157.82408986596332,
              21.26561411299199,
              -2.31869865178588
            ]
          ]
        ]
      },
      "bbox": [
        -157.8240899,
        21.26554659,
        -2.318698652,
        -157.8143802,
        21.27464757,
        107.7413013
      ],
      "properties": {
        "datetime": "2013-09-15T11:52:14Z",
        "pc:count": 7351678,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622534.8407,
            "count": 7351678,
            "maximum": 622999.8002,
            "minimum": 621999.7802,
            "name": "X",
            "position": 0,
            "stddev": 274.4071671,
            "variance": 75299.29337
          },
          {
            "average": 2352504.577,
            "count": 7351678,
            "maximum": 2352998.435,
            "minimum": 2351998.435,
            "name": "Y",
            "position": 1,
            "stddev": 281.9031205,
            "variance": 79469.36932
          },
          {
            "average": 8.331250841,
            "count": 7351678,
            "maximum": 107.7413013,
            "minimum": -2.318698652,
            "name": "Z",
            "position": 2,
            "stddev": 9.903030211,
            "variance": 98.07000737
          },
          {
            "average": 16.69450158,
            "count": 7351678,
            "maximum": 2757,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.28968419,
            "variance": 1108.203073
          },
          {
            "average": 1.609756575,
            "count": 7351678,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9329232747,
            "variance": 0.8703458365
          },
          {
            "average": 2.218160806,
            "count": 7351678,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.336208008,
            "variance": 1.78545184
          },
          {
            "average": 1,
            "count": 7351678,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7351678,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.35716567,
            "count": 7351678,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.545645597,
            "variance": 30.75418509
          },
          {
            "average": 20.23805871,
            "count": 7351678,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.924127718,
            "variance": 8.55052291
          },
          {
            "average": 90.948433,
            "count": 7351678,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.76477997,
            "variance": 4457.535845
          },
          {
            "average": 8.295717794,
            "count": 7351678,
            "maximum": 12,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.508302369,
            "variance": 2.274976037
          },
          {
            "average": 63279713.91,
            "count": 7351678,
            "maximum": 63281134.23,
            "minimum": 63278218.16,
            "name": "GpsTime",
            "position": 12,
            "stddev": 564.5884292,
            "variance": 318760.0944
          },
          {
            "average": 0,
            "count": 7351678,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7351678,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7351678,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7351678,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7351678,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.7802,
          2351998.435,
          -2.318698652,
          622999.8002,
          2352998.435,
          107.7413013
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.780153164,
                2351998.434581048,
                -2.31869865178588
              ],
              [
                621999.780153164,
                2352998.434581048,
                -2.31869865178588
              ],
              [
                622999.8001531641,
                2352998.434581048,
                107.74130134821412
              ],
              [
                622999.8001531641,
                2351998.434581048,
                107.74130134821412
              ],
              [
                621999.780153164,
                2351998.434581048,
                -2.31869865178588
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T11:52:14+00:00",
        "end_time": "2013-09-15T11:03:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2252.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2252.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2252.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2252.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8240899,
            21.26554659,
            -2.318698652,
            -157.8143802,
            21.27464757,
            107.7413013
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82408986596332,
                  21.26561411299199,
                  -2.31869865178588
                ],
                [
                  -157.82401809736817,
                  21.27464756549894,
                  -2.31869865178588
                ],
                [
                  -157.81438024740564,
                  21.27458000820701,
                  107.74130134821412
                ],
                [
                  -157.81445260354795,
                  21.265546587959122,
                  107.74130134821412
                ],
                [
                  -157.82408986596332,
                  21.26561411299199,
                  -2.31869865178588
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2252.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2252.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T11:52:14Z",
            "pc:count": 7351678,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622534.8407,
                "count": 7351678,
                "maximum": 622999.8002,
                "minimum": 621999.7802,
                "name": "X",
                "position": 0,
                "stddev": 274.4071671,
                "variance": 75299.29337
              },
              {
                "average": 2352504.577,
                "count": 7351678,
                "maximum": 2352998.435,
                "minimum": 2351998.435,
                "name": "Y",
                "position": 1,
                "stddev": 281.9031205,
                "variance": 79469.36932
              },
              {
                "average": 8.331250841,
                "count": 7351678,
                "maximum": 107.7413013,
                "minimum": -2.318698652,
                "name": "Z",
                "position": 2,
                "stddev": 9.903030211,
                "variance": 98.07000737
              },
              {
                "average": 16.69450158,
                "count": 7351678,
                "maximum": 2757,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.28968419,
                "variance": 1108.203073
              },
              {
                "average": 1.609756575,
                "count": 7351678,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9329232747,
                "variance": 0.8703458365
              },
              {
                "average": 2.218160806,
                "count": 7351678,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.336208008,
                "variance": 1.78545184
              },
              {
                "average": 1,
                "count": 7351678,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7351678,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.35716567,
                "count": 7351678,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.545645597,
                "variance": 30.75418509
              },
              {
                "average": 20.23805871,
                "count": 7351678,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.924127718,
                "variance": 8.55052291
              },
              {
                "average": 90.948433,
                "count": 7351678,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.76477997,
                "variance": 4457.535845
              },
              {
                "average": 8.295717794,
                "count": 7351678,
                "maximum": 12,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.508302369,
                "variance": 2.274976037
              },
              {
                "average": 63279713.91,
                "count": 7351678,
                "maximum": 63281134.23,
                "minimum": 63278218.16,
                "name": "GpsTime",
                "position": 12,
                "stddev": 564.5884292,
                "variance": 318760.0944
              },
              {
                "average": 0,
                "count": 7351678,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7351678,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7351678,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7351678,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7351678,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.7802,
              2351998.435,
              -2.318698652,
              622999.8002,
              2352998.435,
              107.7413013
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.780153164,
                    2351998.434581048,
                    -2.31869865178588
                  ],
                  [
                    621999.780153164,
                    2352998.434581048,
                    -2.31869865178588
                  ],
                  [
                    622999.8001531641,
                    2352998.434581048,
                    107.74130134821412
                  ],
                  [
                    622999.8001531641,
                    2351998.434581048,
                    107.74130134821412
                  ],
                  [
                    621999.780153164,
                    2351998.434581048,
                    -2.31869865178588
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T11:52:14+00:00",
            "end_time": "2013-09-15T11:03:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfj1986.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.85060037501574,
              21.572948688722214,
              -41.218529457849385
            ],
            [
              -157.8505562231883,
              21.578545122470842,
              -41.218529457849385
            ],
            [
              -157.8476316703135,
              21.578524912163846,
              -16.638529457849387
            ],
            [
              -157.8476759343051,
              21.572928484215993,
              -16.638529457849387
            ],
            [
              -157.85060037501574,
              21.572948688722214,
              -41.218529457849385
            ]
          ]
        ]
      },
      "bbox": [
        -157.8506004,
        21.57292848,
        -41.21852946,
        -157.8476317,
        21.57854512,
        -16.63852946
      ],
      "properties": {
        "datetime": "2013-09-23T23:28:52Z",
        "pc:count": 35468,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 619099.5592,
            "count": 35468,
            "maximum": 619302.629,
            "minimum": 618999.809,
            "name": "X",
            "position": 0,
            "stddev": 74.24757719,
            "variance": 5512.702719
          },
          {
            "average": 2386173.203,
            "count": 35468,
            "maximum": 2386618.035,
            "minimum": 2385998.495,
            "name": "Y",
            "position": 1,
            "stddev": 130.9451624,
            "variance": 17146.63557
          },
          {
            "average": -30.17649664,
            "count": 35468,
            "maximum": -16.63852946,
            "minimum": -41.21852946,
            "name": "Z",
            "position": 2,
            "stddev": 4.130061509,
            "variance": 17.05740807
          },
          {
            "average": 511.8019623,
            "count": 35468,
            "maximum": 1129,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 231.3230375,
            "variance": 53510.34767
          },
          {
            "average": 1.007527912,
            "count": 35468,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09150792769,
            "variance": 0.008373700831
          },
          {
            "average": 1.008430134,
            "count": 35468,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1008156587,
            "variance": 0.01016379705
          },
          {
            "average": 1,
            "count": 35468,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35468,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 35468,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.55999652,
            "count": 35468,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.891046286,
            "variance": 79.05070406
          },
          {
            "average": 248.5340025,
            "count": 35468,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 8.63846386,
            "variance": 74.62305786
          },
          {
            "average": 1.176158791,
            "count": 35468,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4918302259,
            "variance": 0.2418969711
          },
          {
            "average": 63830518.21,
            "count": 35468,
            "maximum": 64014132.55,
            "minimum": 63830300.18,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4579.724939,
            "variance": 20973880.52
          },
          {
            "average": 0,
            "count": 35468,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35468,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35468,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35468,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35468,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          618999.809,
          2385998.495,
          -41.21852946,
          619302.629,
          2386618.035,
          -16.63852946
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                618999.8089625192,
                2385998.494565272,
                -41.218529457849385
              ],
              [
                618999.8089625192,
                2386618.034565272,
                -41.218529457849385
              ],
              [
                619302.6289625192,
                2386618.034565272,
                -16.638529457849387
              ],
              [
                619302.6289625192,
                2385998.494565272,
                -16.638529457849387
              ],
              [
                618999.8089625192,
                2385998.494565272,
                -41.218529457849385
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:28:52+00:00",
        "end_time": "2013-09-21T20:25:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfj1986.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfj1986.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfj1986.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1986.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8506004,
            21.57292848,
            -41.21852946,
            -157.8476317,
            21.57854512,
            -16.63852946
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.85060037501574,
                  21.572948688722214,
                  -41.218529457849385
                ],
                [
                  -157.8505562231883,
                  21.578545122470842,
                  -41.218529457849385
                ],
                [
                  -157.8476316703135,
                  21.578524912163846,
                  -16.638529457849387
                ],
                [
                  -157.8476759343051,
                  21.572928484215993,
                  -16.638529457849387
                ],
                [
                  -157.85060037501574,
                  21.572948688722214,
                  -41.218529457849385
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfj1986.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfj1986.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:28:52Z",
            "pc:count": 35468,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 619099.5592,
                "count": 35468,
                "maximum": 619302.629,
                "minimum": 618999.809,
                "name": "X",
                "position": 0,
                "stddev": 74.24757719,
                "variance": 5512.702719
              },
              {
                "average": 2386173.203,
                "count": 35468,
                "maximum": 2386618.035,
                "minimum": 2385998.495,
                "name": "Y",
                "position": 1,
                "stddev": 130.9451624,
                "variance": 17146.63557
              },
              {
                "average": -30.17649664,
                "count": 35468,
                "maximum": -16.63852946,
                "minimum": -41.21852946,
                "name": "Z",
                "position": 2,
                "stddev": 4.130061509,
                "variance": 17.05740807
              },
              {
                "average": 511.8019623,
                "count": 35468,
                "maximum": 1129,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 231.3230375,
                "variance": 53510.34767
              },
              {
                "average": 1.007527912,
                "count": 35468,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09150792769,
                "variance": 0.008373700831
              },
              {
                "average": 1.008430134,
                "count": 35468,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1008156587,
                "variance": 0.01016379705
              },
              {
                "average": 1,
                "count": 35468,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35468,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 35468,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.55999652,
                "count": 35468,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.891046286,
                "variance": 79.05070406
              },
              {
                "average": 248.5340025,
                "count": 35468,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 8.63846386,
                "variance": 74.62305786
              },
              {
                "average": 1.176158791,
                "count": 35468,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4918302259,
                "variance": 0.2418969711
              },
              {
                "average": 63830518.21,
                "count": 35468,
                "maximum": 64014132.55,
                "minimum": 63830300.18,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4579.724939,
                "variance": 20973880.52
              },
              {
                "average": 0,
                "count": 35468,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35468,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35468,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35468,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35468,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              618999.809,
              2385998.495,
              -41.21852946,
              619302.629,
              2386618.035,
              -16.63852946
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    618999.8089625192,
                    2385998.494565272,
                    -41.218529457849385
                  ],
                  [
                    618999.8089625192,
                    2386618.034565272,
                    -41.218529457849385
                  ],
                  [
                    619302.6289625192,
                    2386618.034565272,
                    -16.638529457849387
                  ],
                  [
                    619302.6289625192,
                    2385998.494565272,
                    -16.638529457849387
                  ],
                  [
                    618999.8089625192,
                    2385998.494565272,
                    -41.218529457849385
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:28:52+00:00",
            "end_time": "2013-09-21T20:25:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2050.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8368401065123,
              21.25484893764788,
              -43.88123305285037
            ],
            [
              -157.83682581974043,
              21.25666828661997,
              -43.88123305285037
            ],
            [
              -157.83379820992604,
              21.2566473689279,
              -22.24123305285037
            ],
            [
              -157.8338125338661,
              21.25482802192995,
              -22.24123305285037
            ],
            [
              -157.8368401065123,
              21.25484893764788,
              -43.88123305285037
            ]
          ]
        ]
      },
      "bbox": [
        -157.8368401,
        21.25482802,
        -43.88123305,
        -157.8337982,
        21.25666829,
        -22.24123305
      ],
      "properties": {
        "datetime": "2013-09-15T12:40:19Z",
        "pc:count": 17430,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620882.6415,
            "count": 17430,
            "maximum": 620999.7708,
            "minimum": 620685.5908,
            "name": "X",
            "position": 0,
            "stddev": 80.88059522,
            "variance": 6541.670683
          },
          {
            "average": 2350919.549,
            "count": 17430,
            "maximum": 2350998.41,
            "minimum": 2350797.01,
            "name": "Y",
            "position": 1,
            "stddev": 51.68314522,
            "variance": 2671.1475
          },
          {
            "average": -31.5056381,
            "count": 17430,
            "maximum": -22.24123305,
            "minimum": -43.88123305,
            "name": "Z",
            "position": 2,
            "stddev": 5.311816734,
            "variance": 28.21539702
          },
          {
            "average": 429.4691337,
            "count": 17430,
            "maximum": 2087,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 455.1855694,
            "variance": 207193.9026
          },
          {
            "average": 1.099713138,
            "count": 17430,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.300390719,
            "variance": 0.09023458407
          },
          {
            "average": 1.099713138,
            "count": 17430,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.300390719,
            "variance": 0.09023458407
          },
          {
            "average": 1,
            "count": 17430,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17430,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 17430,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0.1600103266,
            "count": 17430,
            "maximum": 22.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.690598222,
            "variance": 2.858122347
          },
          {
            "average": 249.4456684,
            "count": 17430,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.547688405,
            "variance": 0.299962589
          },
          {
            "average": 19,
            "count": 17430,
            "maximum": 19,
            "minimum": 19,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63284015.88,
            "count": 17430,
            "maximum": 63284019.52,
            "minimum": 63284012.06,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.911872045,
            "variance": 3.655254715
          },
          {
            "average": 0,
            "count": 17430,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17430,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17430,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17430,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 17430,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620685.5908,
          2350797.01,
          -43.88123305,
          620999.7708,
          2350998.41,
          -22.24123305
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620685.5908311923,
                2350797.0102336276,
                -43.88123305285037
              ],
              [
                620685.5908311923,
                2350998.410233628,
                -43.88123305285037
              ],
              [
                620999.7708311923,
                2350998.410233628,
                -22.24123305285037
              ],
              [
                620999.7708311923,
                2350797.0102336276,
                -22.24123305285037
              ],
              [
                620685.5908311923,
                2350797.0102336276,
                -43.88123305285037
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T12:40:19+00:00",
        "end_time": "2013-09-15T12:40:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2050.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2050.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2050.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2050.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8368401,
            21.25482802,
            -43.88123305,
            -157.8337982,
            21.25666829,
            -22.24123305
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8368401065123,
                  21.25484893764788,
                  -43.88123305285037
                ],
                [
                  -157.83682581974043,
                  21.25666828661997,
                  -43.88123305285037
                ],
                [
                  -157.83379820992604,
                  21.2566473689279,
                  -22.24123305285037
                ],
                [
                  -157.8338125338661,
                  21.25482802192995,
                  -22.24123305285037
                ],
                [
                  -157.8368401065123,
                  21.25484893764788,
                  -43.88123305285037
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2050.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2050.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T12:40:19Z",
            "pc:count": 17430,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620882.6415,
                "count": 17430,
                "maximum": 620999.7708,
                "minimum": 620685.5908,
                "name": "X",
                "position": 0,
                "stddev": 80.88059522,
                "variance": 6541.670683
              },
              {
                "average": 2350919.549,
                "count": 17430,
                "maximum": 2350998.41,
                "minimum": 2350797.01,
                "name": "Y",
                "position": 1,
                "stddev": 51.68314522,
                "variance": 2671.1475
              },
              {
                "average": -31.5056381,
                "count": 17430,
                "maximum": -22.24123305,
                "minimum": -43.88123305,
                "name": "Z",
                "position": 2,
                "stddev": 5.311816734,
                "variance": 28.21539702
              },
              {
                "average": 429.4691337,
                "count": 17430,
                "maximum": 2087,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 455.1855694,
                "variance": 207193.9026
              },
              {
                "average": 1.099713138,
                "count": 17430,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.300390719,
                "variance": 0.09023458407
              },
              {
                "average": 1.099713138,
                "count": 17430,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.300390719,
                "variance": 0.09023458407
              },
              {
                "average": 1,
                "count": 17430,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17430,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 17430,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0.1600103266,
                "count": 17430,
                "maximum": 22.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.690598222,
                "variance": 2.858122347
              },
              {
                "average": 249.4456684,
                "count": 17430,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.547688405,
                "variance": 0.299962589
              },
              {
                "average": 19,
                "count": 17430,
                "maximum": 19,
                "minimum": 19,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63284015.88,
                "count": 17430,
                "maximum": 63284019.52,
                "minimum": 63284012.06,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.911872045,
                "variance": 3.655254715
              },
              {
                "average": 0,
                "count": 17430,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17430,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17430,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17430,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 17430,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620685.5908,
              2350797.01,
              -43.88123305,
              620999.7708,
              2350998.41,
              -22.24123305
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620685.5908311923,
                    2350797.0102336276,
                    -43.88123305285037
                  ],
                  [
                    620685.5908311923,
                    2350998.410233628,
                    -43.88123305285037
                  ],
                  [
                    620999.7708311923,
                    2350998.410233628,
                    -22.24123305285037
                  ],
                  [
                    620999.7708311923,
                    2350797.0102336276,
                    -22.24123305285037
                  ],
                  [
                    620685.5908311923,
                    2350797.0102336276,
                    -43.88123305285037
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T12:40:19+00:00",
            "end_time": "2013-09-15T12:40:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2753.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77583003563697,
              21.27430424554487,
              0.845500201776495
            ],
            [
              -157.77579374557928,
              21.278690625879076,
              0.845500201776495
            ],
            [
              -157.7661558053576,
              21.278620293404995,
              55.7255002017765
            ],
            [
              -157.76619238233963,
              21.27423392757832,
              55.7255002017765
            ],
            [
              -157.77583003563697,
              21.27430424554487,
              0.845500201776495
            ]
          ]
        ]
      },
      "bbox": [
        -157.77583,
        21.27423393,
        0.8455002018,
        -157.7661558,
        21.27869063,
        55.7255002
      ],
      "properties": {
        "datetime": "2013-09-22T18:20:21Z",
        "pc:count": 1181742,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627608.0438,
            "count": 1181742,
            "maximum": 627999.8172,
            "minimum": 626999.7972,
            "name": "X",
            "position": 0,
            "stddev": 282.6179314,
            "variance": 79872.89515
          },
          {
            "average": 2353210.664,
            "count": 1181742,
            "maximum": 2353484.012,
            "minimum": 2352998.432,
            "name": "Y",
            "position": 1,
            "stddev": 131.159859,
            "variance": 17202.9086
          },
          {
            "average": 11.0694734,
            "count": 1181742,
            "maximum": 55.7255002,
            "minimum": 0.8455002018,
            "name": "Z",
            "position": 2,
            "stddev": 8.806572737,
            "variance": 77.55572337
          },
          {
            "average": 15.34319251,
            "count": 1181742,
            "maximum": 1180,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.67833324,
            "variance": 1134.23013
          },
          {
            "average": 1.421772265,
            "count": 1181742,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7987166979,
            "variance": 0.6379483635
          },
          {
            "average": 1.846851512,
            "count": 1181742,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.176915449,
            "variance": 1.385129974
          },
          {
            "average": 1,
            "count": 1181742,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1181742,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.245220192,
            "count": 1181742,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4302178588,
            "variance": 0.185087406
          },
          {
            "average": 17.91363215,
            "count": 1181742,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.172561193,
            "variance": 17.41026691
          },
          {
            "average": 92.46603573,
            "count": 1181742,
            "maximum": 199,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.87580862,
            "variance": 4339.622161
          },
          {
            "average": 14.0677339,
            "count": 1181742,
            "maximum": 15,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.204632707,
            "variance": 4.860405374
          },
          {
            "average": 63397324.61,
            "count": 1181742,
            "maximum": 63909221.54,
            "minimum": 63382648.66,
            "name": "GpsTime",
            "position": 12,
            "stddev": 85317.79344,
            "variance": 7279125877
          },
          {
            "average": 0,
            "count": 1181742,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1181742,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1181742,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1181742,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1181742,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.7972,
          2352998.432,
          0.8455002018,
          627999.8172,
          2353484.012,
          55.7255002
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.7971914351,
                2352998.4322324693,
                0.845500201776495
              ],
              [
                626999.7971914351,
                2353484.0122324694,
                0.845500201776495
              ],
              [
                627999.8171914351,
                2353484.0122324694,
                55.7255002017765
              ],
              [
                627999.8171914351,
                2352998.4322324693,
                55.7255002017765
              ],
              [
                626999.7971914351,
                2352998.4322324693,
                0.845500201776495
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:20:21+00:00",
        "end_time": "2013-09-16T16:04:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2753.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2753.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2753.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2753.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.77583,
            21.27423393,
            0.8455002018,
            -157.7661558,
            21.27869063,
            55.7255002
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77583003563697,
                  21.27430424554487,
                  0.845500201776495
                ],
                [
                  -157.77579374557928,
                  21.278690625879076,
                  0.845500201776495
                ],
                [
                  -157.7661558053576,
                  21.278620293404995,
                  55.7255002017765
                ],
                [
                  -157.76619238233963,
                  21.27423392757832,
                  55.7255002017765
                ],
                [
                  -157.77583003563697,
                  21.27430424554487,
                  0.845500201776495
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2753.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2753.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:20:21Z",
            "pc:count": 1181742,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627608.0438,
                "count": 1181742,
                "maximum": 627999.8172,
                "minimum": 626999.7972,
                "name": "X",
                "position": 0,
                "stddev": 282.6179314,
                "variance": 79872.89515
              },
              {
                "average": 2353210.664,
                "count": 1181742,
                "maximum": 2353484.012,
                "minimum": 2352998.432,
                "name": "Y",
                "position": 1,
                "stddev": 131.159859,
                "variance": 17202.9086
              },
              {
                "average": 11.0694734,
                "count": 1181742,
                "maximum": 55.7255002,
                "minimum": 0.8455002018,
                "name": "Z",
                "position": 2,
                "stddev": 8.806572737,
                "variance": 77.55572337
              },
              {
                "average": 15.34319251,
                "count": 1181742,
                "maximum": 1180,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.67833324,
                "variance": 1134.23013
              },
              {
                "average": 1.421772265,
                "count": 1181742,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7987166979,
                "variance": 0.6379483635
              },
              {
                "average": 1.846851512,
                "count": 1181742,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.176915449,
                "variance": 1.385129974
              },
              {
                "average": 1,
                "count": 1181742,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1181742,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.245220192,
                "count": 1181742,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4302178588,
                "variance": 0.185087406
              },
              {
                "average": 17.91363215,
                "count": 1181742,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.172561193,
                "variance": 17.41026691
              },
              {
                "average": 92.46603573,
                "count": 1181742,
                "maximum": 199,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.87580862,
                "variance": 4339.622161
              },
              {
                "average": 14.0677339,
                "count": 1181742,
                "maximum": 15,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.204632707,
                "variance": 4.860405374
              },
              {
                "average": 63397324.61,
                "count": 1181742,
                "maximum": 63909221.54,
                "minimum": 63382648.66,
                "name": "GpsTime",
                "position": 12,
                "stddev": 85317.79344,
                "variance": 7279125877
              },
              {
                "average": 0,
                "count": 1181742,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1181742,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1181742,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1181742,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1181742,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.7972,
              2352998.432,
              0.8455002018,
              627999.8172,
              2353484.012,
              55.7255002
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.7971914351,
                    2352998.4322324693,
                    0.845500201776495
                  ],
                  [
                    626999.7971914351,
                    2353484.0122324694,
                    0.845500201776495
                  ],
                  [
                    627999.8171914351,
                    2353484.0122324694,
                    55.7255002017765
                  ],
                  [
                    627999.8171914351,
                    2352998.4322324693,
                    55.7255002017765
                  ],
                  [
                    626999.7971914351,
                    2352998.4322324693,
                    0.845500201776495
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:20:21+00:00",
            "end_time": "2013-09-16T16:04:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2051.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.842384824803,
              21.256706999754076,
              -51.54154533005436
            ],
            [
              -157.84231420531071,
              21.26574034201605,
              -51.54154533005436
            ],
            [
              -157.8337269319013,
              21.265681130162783,
              -11.361545330054362
            ],
            [
              -157.8337980750324,
              21.256647815666998,
              -11.361545330054362
            ],
            [
              -157.842384824803,
              21.256706999754076,
              -51.54154533005436
            ]
          ]
        ]
      },
      "bbox": [
        -157.8423848,
        21.25664782,
        -51.54154533,
        -157.8337269,
        21.26574034,
        -11.36154533
      ],
      "properties": {
        "datetime": "2013-09-17T12:50:37Z",
        "pc:count": 613083,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620778.7338,
            "count": 613083,
            "maximum": 620999.7845,
            "minimum": 620108.7245,
            "name": "X",
            "position": 0,
            "stddev": 154.8060608,
            "variance": 23964.91647
          },
          {
            "average": 2351677.492,
            "count": 613083,
            "maximum": 2351998.44,
            "minimum": 2350998.46,
            "name": "Y",
            "position": 1,
            "stddev": 253.4877349,
            "variance": 64256.03176
          },
          {
            "average": -20.03227632,
            "count": 613083,
            "maximum": -11.36154533,
            "minimum": -51.54154533,
            "name": "Z",
            "position": 2,
            "stddev": 7.674372164,
            "variance": 58.89598811
          },
          {
            "average": 176.5364575,
            "count": 613083,
            "maximum": 2586,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 224.2125698,
            "variance": 50271.27644
          },
          {
            "average": 1.010016588,
            "count": 613083,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09998913733,
            "variance": 0.009997827585
          },
          {
            "average": 1.010215583,
            "count": 613083,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1012175448,
            "variance": 0.01024499138
          },
          {
            "average": 1,
            "count": 613083,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 613083,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 613083,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6.567852593,
            "count": 613083,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.271129288,
            "variance": 85.95383828
          },
          {
            "average": 210.2121931,
            "count": 613083,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 71.79235221,
            "variance": 5154.141836
          },
          {
            "average": 12.71138655,
            "count": 613083,
            "maximum": 19,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.045997442,
            "variance": 36.55408507
          },
          {
            "average": 63347636.6,
            "count": 613083,
            "maximum": 63457437.85,
            "minimum": 63281944.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 83938.63679,
            "variance": 7045694747
          },
          {
            "average": 0,
            "count": 613083,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 613083,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 613083,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 613083,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 613083,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620108.7245,
          2350998.46,
          -51.54154533,
          620999.7845,
          2351998.44,
          -11.36154533
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620108.724463583,
                2350998.4597878344,
                -51.54154533005436
              ],
              [
                620108.724463583,
                2351998.439787835,
                -51.54154533005436
              ],
              [
                620999.784463583,
                2351998.439787835,
                -11.361545330054362
              ],
              [
                620999.784463583,
                2350998.4597878344,
                -11.361545330054362
              ],
              [
                620108.724463583,
                2350998.4597878344,
                -51.54154533005436
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:50:37+00:00",
        "end_time": "2013-09-15T12:05:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2051.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2051.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2051.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2051.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8423848,
            21.25664782,
            -51.54154533,
            -157.8337269,
            21.26574034,
            -11.36154533
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.842384824803,
                  21.256706999754076,
                  -51.54154533005436
                ],
                [
                  -157.84231420531071,
                  21.26574034201605,
                  -51.54154533005436
                ],
                [
                  -157.8337269319013,
                  21.265681130162783,
                  -11.361545330054362
                ],
                [
                  -157.8337980750324,
                  21.256647815666998,
                  -11.361545330054362
                ],
                [
                  -157.842384824803,
                  21.256706999754076,
                  -51.54154533005436
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2051.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2051.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:50:37Z",
            "pc:count": 613083,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620778.7338,
                "count": 613083,
                "maximum": 620999.7845,
                "minimum": 620108.7245,
                "name": "X",
                "position": 0,
                "stddev": 154.8060608,
                "variance": 23964.91647
              },
              {
                "average": 2351677.492,
                "count": 613083,
                "maximum": 2351998.44,
                "minimum": 2350998.46,
                "name": "Y",
                "position": 1,
                "stddev": 253.4877349,
                "variance": 64256.03176
              },
              {
                "average": -20.03227632,
                "count": 613083,
                "maximum": -11.36154533,
                "minimum": -51.54154533,
                "name": "Z",
                "position": 2,
                "stddev": 7.674372164,
                "variance": 58.89598811
              },
              {
                "average": 176.5364575,
                "count": 613083,
                "maximum": 2586,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 224.2125698,
                "variance": 50271.27644
              },
              {
                "average": 1.010016588,
                "count": 613083,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09998913733,
                "variance": 0.009997827585
              },
              {
                "average": 1.010215583,
                "count": 613083,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1012175448,
                "variance": 0.01024499138
              },
              {
                "average": 1,
                "count": 613083,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 613083,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 613083,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6.567852593,
                "count": 613083,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.271129288,
                "variance": 85.95383828
              },
              {
                "average": 210.2121931,
                "count": 613083,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 71.79235221,
                "variance": 5154.141836
              },
              {
                "average": 12.71138655,
                "count": 613083,
                "maximum": 19,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.045997442,
                "variance": 36.55408507
              },
              {
                "average": 63347636.6,
                "count": 613083,
                "maximum": 63457437.85,
                "minimum": 63281944.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 83938.63679,
                "variance": 7045694747
              },
              {
                "average": 0,
                "count": 613083,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 613083,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 613083,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 613083,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 613083,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620108.7245,
              2350998.46,
              -51.54154533,
              620999.7845,
              2351998.44,
              -11.36154533
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620108.724463583,
                    2350998.4597878344,
                    -51.54154533005436
                  ],
                  [
                    620108.724463583,
                    2351998.439787835,
                    -51.54154533005436
                  ],
                  [
                    620999.784463583,
                    2351998.439787835,
                    -11.361545330054362
                  ],
                  [
                    620999.784463583,
                    2350998.4597878344,
                    -11.361545330054362
                  ],
                  [
                    620108.724463583,
                    2350998.4597878344,
                    -51.54154533005436
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:50:37+00:00",
            "end_time": "2013-09-15T12:05:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2374.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81285200595266,
              21.464279789912954,
              -13.1683727370384
            ],
            [
              -157.8127788235885,
              21.473312984796706,
              -13.1683727370384
            ],
            [
              -157.80312800468934,
              21.473244177716907,
              0.4516272629616
            ],
            [
              -157.80320178335162,
              21.464211014418133,
              0.4516272629616
            ],
            [
              -157.81285200595266,
              21.464279789912954,
              -13.1683727370384
            ]
          ]
        ]
      },
      "bbox": [
        -157.812852,
        21.46421101,
        -13.16837274,
        -157.803128,
        21.47331298,
        0.451627263
      ],
      "properties": {
        "datetime": "2013-09-20T19:34:08Z",
        "pc:count": 1582823,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623541.0636,
            "count": 1582823,
            "maximum": 623999.8261,
            "minimum": 622999.8061,
            "name": "X",
            "position": 0,
            "stddev": 302.4986926,
            "variance": 91505.45902
          },
          {
            "average": 2374515.944,
            "count": 1582823,
            "maximum": 2374998.474,
            "minimum": 2373998.474,
            "name": "Y",
            "position": 1,
            "stddev": 341.0216025,
            "variance": 116295.7334
          },
          {
            "average": -0.2642569326,
            "count": 1582823,
            "maximum": 0.451627263,
            "minimum": -13.16837274,
            "name": "Z",
            "position": 2,
            "stddev": 1.40460442,
            "variance": 1.972913577
          },
          {
            "average": 1.517200597,
            "count": 1582823,
            "maximum": 7483,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.38043896,
            "variance": 337.8405364
          },
          {
            "average": 1.000532593,
            "count": 1582823,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02307183124,
            "variance": 0.000532309397
          },
          {
            "average": 1.001108147,
            "count": 1582823,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03327039761,
            "variance": 0.001106919357
          },
          {
            "average": 1,
            "count": 1582823,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1582823,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1582823,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.89708424,
            "count": 1582823,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.295433505,
            "variance": 5.269014977
          },
          {
            "average": 90.71216175,
            "count": 1582823,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 67.75299958,
            "variance": 4590.468952
          },
          {
            "average": 5.680571359,
            "count": 1582823,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.531129292,
            "variance": 12.46887407
          },
          {
            "average": 63667775.53,
            "count": 1582823,
            "maximum": 63740848.83,
            "minimum": 63656639.31,
            "name": "GpsTime",
            "position": 12,
            "stddev": 16663.54902,
            "variance": 277673865.8
          },
          {
            "average": 0,
            "count": 1582823,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1582823,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1582823,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1582823,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1582823,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8061,
          2373998.474,
          -13.16837274,
          623999.8261,
          2374998.474,
          0.451627263
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8061008994,
                2373998.4736416424,
                -13.1683727370384
              ],
              [
                622999.8061008994,
                2374998.4736416424,
                -13.1683727370384
              ],
              [
                623999.8261008994,
                2374998.4736416424,
                0.4516272629616
              ],
              [
                623999.8261008994,
                2373998.4736416424,
                0.4516272629616
              ],
              [
                622999.8061008994,
                2373998.4736416424,
                -13.1683727370384
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:34:08+00:00",
        "end_time": "2013-09-19T20:10:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2374.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2374.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2374.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2374.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.812852,
            21.46421101,
            -13.16837274,
            -157.803128,
            21.47331298,
            0.451627263
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81285200595266,
                  21.464279789912954,
                  -13.1683727370384
                ],
                [
                  -157.8127788235885,
                  21.473312984796706,
                  -13.1683727370384
                ],
                [
                  -157.80312800468934,
                  21.473244177716907,
                  0.4516272629616
                ],
                [
                  -157.80320178335162,
                  21.464211014418133,
                  0.4516272629616
                ],
                [
                  -157.81285200595266,
                  21.464279789912954,
                  -13.1683727370384
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2374.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2374.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:34:08Z",
            "pc:count": 1582823,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623541.0636,
                "count": 1582823,
                "maximum": 623999.8261,
                "minimum": 622999.8061,
                "name": "X",
                "position": 0,
                "stddev": 302.4986926,
                "variance": 91505.45902
              },
              {
                "average": 2374515.944,
                "count": 1582823,
                "maximum": 2374998.474,
                "minimum": 2373998.474,
                "name": "Y",
                "position": 1,
                "stddev": 341.0216025,
                "variance": 116295.7334
              },
              {
                "average": -0.2642569326,
                "count": 1582823,
                "maximum": 0.451627263,
                "minimum": -13.16837274,
                "name": "Z",
                "position": 2,
                "stddev": 1.40460442,
                "variance": 1.972913577
              },
              {
                "average": 1.517200597,
                "count": 1582823,
                "maximum": 7483,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.38043896,
                "variance": 337.8405364
              },
              {
                "average": 1.000532593,
                "count": 1582823,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02307183124,
                "variance": 0.000532309397
              },
              {
                "average": 1.001108147,
                "count": 1582823,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03327039761,
                "variance": 0.001106919357
              },
              {
                "average": 1,
                "count": 1582823,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1582823,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1582823,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.89708424,
                "count": 1582823,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.295433505,
                "variance": 5.269014977
              },
              {
                "average": 90.71216175,
                "count": 1582823,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 67.75299958,
                "variance": 4590.468952
              },
              {
                "average": 5.680571359,
                "count": 1582823,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.531129292,
                "variance": 12.46887407
              },
              {
                "average": 63667775.53,
                "count": 1582823,
                "maximum": 63740848.83,
                "minimum": 63656639.31,
                "name": "GpsTime",
                "position": 12,
                "stddev": 16663.54902,
                "variance": 277673865.8
              },
              {
                "average": 0,
                "count": 1582823,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1582823,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1582823,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1582823,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1582823,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8061,
              2373998.474,
              -13.16837274,
              623999.8261,
              2374998.474,
              0.451627263
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8061008994,
                    2373998.4736416424,
                    -13.1683727370384
                  ],
                  [
                    622999.8061008994,
                    2374998.4736416424,
                    -13.1683727370384
                  ],
                  [
                    623999.8261008994,
                    2374998.4736416424,
                    0.4516272629616
                  ],
                  [
                    623999.8261008994,
                    2373998.4736416424,
                    0.4516272629616
                  ],
                  [
                    622999.8061008994,
                    2373998.4736416424,
                    -13.1683727370384
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:34:08+00:00",
            "end_time": "2013-09-19T20:10:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2151.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.83379810765527,
              21.256647581188595,
              -22.044974753663734
            ],
            [
              -157.83372696310377,
              21.265681076354518,
              -22.044974753663734
            ],
            [
              -157.82408985525566,
              21.265614105931107,
              0.675025246336265
            ],
            [
              -157.8241615861405,
              21.256580643800476,
              0.675025246336265
            ],
            [
              -157.83379810765527,
              21.256647581188595,
              -22.044974753663734
            ]
          ]
        ]
      },
      "bbox": [
        -157.8337981,
        21.25658064,
        -22.04497475,
        -157.8240899,
        21.26568108,
        0.6750252463
      ],
      "properties": {
        "datetime": "2013-09-17T12:50:55Z",
        "pc:count": 2999530,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621575.9598,
            "count": 2999530,
            "maximum": 621999.7813,
            "minimum": 620999.7813,
            "name": "X",
            "position": 0,
            "stddev": 284.4951912,
            "variance": 80937.51379
          },
          {
            "average": 2351459.681,
            "count": 2999530,
            "maximum": 2351998.434,
            "minimum": 2350998.434,
            "name": "Y",
            "position": 1,
            "stddev": 258.3156864,
            "variance": 66726.99382
          },
          {
            "average": -6.992965682,
            "count": 2999530,
            "maximum": 0.6750252463,
            "minimum": -22.04497475,
            "name": "Z",
            "position": 2,
            "stddev": 4.044190216,
            "variance": 16.3554745
          },
          {
            "average": 32.03436172,
            "count": 2999530,
            "maximum": 1980,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 54.8434088,
            "variance": 3007.799489
          },
          {
            "average": 1.036587065,
            "count": 2999530,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1919862404,
            "variance": 0.03685871652
          },
          {
            "average": 1.05938497,
            "count": 2999530,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.243982903,
            "variance": 0.05952765697
          },
          {
            "average": 1,
            "count": 2999530,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2999530,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2999530,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.65322764,
            "count": 2999530,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.574707735,
            "variance": 43.2267818
          },
          {
            "average": 128.6153614,
            "count": 2999530,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.09163338,
            "variance": 7760.135871
          },
          {
            "average": 8.948840985,
            "count": 2999530,
            "maximum": 19,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.70364009,
            "variance": 32.53151028
          },
          {
            "average": 63382957.65,
            "count": 2999530,
            "maximum": 63457455.42,
            "minimum": 63281129.06,
            "name": "GpsTime",
            "position": 12,
            "stddev": 86197.90664,
            "variance": 7430079109
          },
          {
            "average": 0,
            "count": 2999530,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2999530,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2999530,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2999530,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2999530,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.7813,
          2350998.434,
          -22.04497475,
          621999.7813,
          2351998.434,
          0.6750252463
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.781270009,
                2350998.433807725,
                -22.044974753663734
              ],
              [
                620999.781270009,
                2351998.433807725,
                -22.044974753663734
              ],
              [
                621999.781270009,
                2351998.433807725,
                0.675025246336265
              ],
              [
                621999.781270009,
                2350998.433807725,
                0.675025246336265
              ],
              [
                620999.781270009,
                2350998.433807725,
                -22.044974753663734
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:50:55+00:00",
        "end_time": "2013-09-15T11:52:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2151.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2151.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2151.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2151.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8337981,
            21.25658064,
            -22.04497475,
            -157.8240899,
            21.26568108,
            0.6750252463
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.83379810765527,
                  21.256647581188595,
                  -22.044974753663734
                ],
                [
                  -157.83372696310377,
                  21.265681076354518,
                  -22.044974753663734
                ],
                [
                  -157.82408985525566,
                  21.265614105931107,
                  0.675025246336265
                ],
                [
                  -157.8241615861405,
                  21.256580643800476,
                  0.675025246336265
                ],
                [
                  -157.83379810765527,
                  21.256647581188595,
                  -22.044974753663734
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2151.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2151.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:50:55Z",
            "pc:count": 2999530,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621575.9598,
                "count": 2999530,
                "maximum": 621999.7813,
                "minimum": 620999.7813,
                "name": "X",
                "position": 0,
                "stddev": 284.4951912,
                "variance": 80937.51379
              },
              {
                "average": 2351459.681,
                "count": 2999530,
                "maximum": 2351998.434,
                "minimum": 2350998.434,
                "name": "Y",
                "position": 1,
                "stddev": 258.3156864,
                "variance": 66726.99382
              },
              {
                "average": -6.992965682,
                "count": 2999530,
                "maximum": 0.6750252463,
                "minimum": -22.04497475,
                "name": "Z",
                "position": 2,
                "stddev": 4.044190216,
                "variance": 16.3554745
              },
              {
                "average": 32.03436172,
                "count": 2999530,
                "maximum": 1980,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 54.8434088,
                "variance": 3007.799489
              },
              {
                "average": 1.036587065,
                "count": 2999530,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1919862404,
                "variance": 0.03685871652
              },
              {
                "average": 1.05938497,
                "count": 2999530,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.243982903,
                "variance": 0.05952765697
              },
              {
                "average": 1,
                "count": 2999530,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2999530,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2999530,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.65322764,
                "count": 2999530,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.574707735,
                "variance": 43.2267818
              },
              {
                "average": 128.6153614,
                "count": 2999530,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.09163338,
                "variance": 7760.135871
              },
              {
                "average": 8.948840985,
                "count": 2999530,
                "maximum": 19,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.70364009,
                "variance": 32.53151028
              },
              {
                "average": 63382957.65,
                "count": 2999530,
                "maximum": 63457455.42,
                "minimum": 63281129.06,
                "name": "GpsTime",
                "position": 12,
                "stddev": 86197.90664,
                "variance": 7430079109
              },
              {
                "average": 0,
                "count": 2999530,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2999530,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2999530,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2999530,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2999530,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.7813,
              2350998.434,
              -22.04497475,
              621999.7813,
              2351998.434,
              0.6750252463
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.781270009,
                    2350998.433807725,
                    -22.044974753663734
                  ],
                  [
                    620999.781270009,
                    2351998.433807725,
                    -22.044974753663734
                  ],
                  [
                    621999.781270009,
                    2351998.433807725,
                    0.675025246336265
                  ],
                  [
                    621999.781270009,
                    2350998.433807725,
                    0.675025246336265
                  ],
                  [
                    620999.781270009,
                    2350998.433807725,
                    -22.044974753663734
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:50:55+00:00",
            "end_time": "2013-09-15T11:52:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2052.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84336414636644,
              21.265747521528382,
              -48.104056292917676
            ],
            [
              -157.84329355204974,
              21.274781039136112,
              -48.104056292917676
            ],
            [
              -157.8336558181066,
              21.274714586832165,
              0.075943707082324
            ],
            [
              -157.83372700044794,
              21.26568110052822,
              0.075943707082324
            ],
            [
              -157.84336414636644,
              21.265747521528382,
              -48.104056292917676
            ]
          ]
        ]
      },
      "bbox": [
        -157.8433641,
        21.2656811,
        -48.10405629,
        -157.8336558,
        21.27478104,
        0.07594370708
      ],
      "properties": {
        "datetime": "2013-09-17T12:50:30Z",
        "pc:count": 2000326,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620578.0164,
            "count": 2000326,
            "maximum": 620999.7774,
            "minimum": 619999.7774,
            "name": "X",
            "position": 0,
            "stddev": 271.1374211,
            "variance": 73515.50109
          },
          {
            "average": 2352586.182,
            "count": 2000326,
            "maximum": 2352998.436,
            "minimum": 2351998.436,
            "name": "Y",
            "position": 1,
            "stddev": 286.0532623,
            "variance": 81826.46889
          },
          {
            "average": -10.08837124,
            "count": 2000326,
            "maximum": 0.07594370708,
            "minimum": -48.10405629,
            "name": "Z",
            "position": 2,
            "stddev": 7.966492653,
            "variance": 63.46500519
          },
          {
            "average": 112.8476758,
            "count": 2000326,
            "maximum": 5150,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 189.2254672,
            "variance": 35806.27744
          },
          {
            "average": 1.034573365,
            "count": 2000326,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1856902918,
            "variance": 0.03448088448
          },
          {
            "average": 1.039285097,
            "count": 2000326,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1984729919,
            "variance": 0.03939152851
          },
          {
            "average": 1,
            "count": 2000326,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2000326,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2000326,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.28252331,
            "count": 2000326,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.156088251,
            "variance": 66.52177557
          },
          {
            "average": 144.9381076,
            "count": 2000326,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 94.14501143,
            "variance": 8863.283177
          },
          {
            "average": 11.01917737,
            "count": 2000326,
            "maximum": 18,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.002684371,
            "variance": 16.02148218
          },
          {
            "average": 63312699.86,
            "count": 2000326,
            "maximum": 63457430.45,
            "minimum": 63280344.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 67029.09731,
            "variance": 4492899886
          },
          {
            "average": 0,
            "count": 2000326,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2000326,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2000326,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2000326,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2000326,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.7774,
          2351998.436,
          -48.10405629,
          620999.7774,
          2352998.436,
          0.07594370708
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.7773754303,
                2351998.4364549792,
                -48.104056292917676
              ],
              [
                619999.7773754303,
                2352998.4364549792,
                -48.104056292917676
              ],
              [
                620999.7773754303,
                2352998.4364549792,
                0.075943707082324
              ],
              [
                620999.7773754303,
                2351998.4364549792,
                0.075943707082324
              ],
              [
                619999.7773754303,
                2351998.4364549792,
                -48.104056292917676
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-17T12:50:30+00:00",
        "end_time": "2013-09-15T11:39:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2052.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2052.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2052.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2052.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8433641,
            21.2656811,
            -48.10405629,
            -157.8336558,
            21.27478104,
            0.07594370708
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84336414636644,
                  21.265747521528382,
                  -48.104056292917676
                ],
                [
                  -157.84329355204974,
                  21.274781039136112,
                  -48.104056292917676
                ],
                [
                  -157.8336558181066,
                  21.274714586832165,
                  0.075943707082324
                ],
                [
                  -157.83372700044794,
                  21.26568110052822,
                  0.075943707082324
                ],
                [
                  -157.84336414636644,
                  21.265747521528382,
                  -48.104056292917676
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2052.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2052.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-17T12:50:30Z",
            "pc:count": 2000326,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620578.0164,
                "count": 2000326,
                "maximum": 620999.7774,
                "minimum": 619999.7774,
                "name": "X",
                "position": 0,
                "stddev": 271.1374211,
                "variance": 73515.50109
              },
              {
                "average": 2352586.182,
                "count": 2000326,
                "maximum": 2352998.436,
                "minimum": 2351998.436,
                "name": "Y",
                "position": 1,
                "stddev": 286.0532623,
                "variance": 81826.46889
              },
              {
                "average": -10.08837124,
                "count": 2000326,
                "maximum": 0.07594370708,
                "minimum": -48.10405629,
                "name": "Z",
                "position": 2,
                "stddev": 7.966492653,
                "variance": 63.46500519
              },
              {
                "average": 112.8476758,
                "count": 2000326,
                "maximum": 5150,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 189.2254672,
                "variance": 35806.27744
              },
              {
                "average": 1.034573365,
                "count": 2000326,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1856902918,
                "variance": 0.03448088448
              },
              {
                "average": 1.039285097,
                "count": 2000326,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1984729919,
                "variance": 0.03939152851
              },
              {
                "average": 1,
                "count": 2000326,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2000326,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2000326,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.28252331,
                "count": 2000326,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.156088251,
                "variance": 66.52177557
              },
              {
                "average": 144.9381076,
                "count": 2000326,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 94.14501143,
                "variance": 8863.283177
              },
              {
                "average": 11.01917737,
                "count": 2000326,
                "maximum": 18,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.002684371,
                "variance": 16.02148218
              },
              {
                "average": 63312699.86,
                "count": 2000326,
                "maximum": 63457430.45,
                "minimum": 63280344.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 67029.09731,
                "variance": 4492899886
              },
              {
                "average": 0,
                "count": 2000326,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2000326,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2000326,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2000326,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2000326,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.7774,
              2351998.436,
              -48.10405629,
              620999.7774,
              2352998.436,
              0.07594370708
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.7773754303,
                    2351998.4364549792,
                    -48.104056292917676
                  ],
                  [
                    619999.7773754303,
                    2352998.4364549792,
                    -48.104056292917676
                  ],
                  [
                    620999.7773754303,
                    2352998.4364549792,
                    0.075943707082324
                  ],
                  [
                    620999.7773754303,
                    2351998.4364549792,
                    0.075943707082324
                  ],
                  [
                    619999.7773754303,
                    2351998.4364549792,
                    -48.104056292917676
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-17T12:50:30+00:00",
            "end_time": "2013-09-15T11:39:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2765.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77151989610368,
              21.386123544016908,
              36.01435606245059
            ],
            [
              -157.77147325648127,
              21.39171162544844,
              36.01435606245059
            ],
            [
              -157.76521013445384,
              21.39166562568476,
              190.2543560624506
            ],
            [
              -157.76525700908556,
              21.386077557612236,
              190.2543560624506
            ],
            [
              -157.77151989610368,
              21.386123544016908,
              36.01435606245059
            ]
          ]
        ]
      },
      "bbox": [
        -157.7715199,
        21.38607756,
        36.01435606,
        -157.7652101,
        21.39171163,
        190.2543561
      ],
      "properties": {
        "datetime": "2013-09-21T00:52:43Z",
        "pc:count": 2526764,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627814.6455,
            "count": 2526764,
            "maximum": 627999.8352,
            "minimum": 627350.4752,
            "name": "X",
            "position": 0,
            "stddev": 140.7503426,
            "variance": 19810.65894
          },
          {
            "average": 2365784.375,
            "count": 2526764,
            "maximum": 2365998.465,
            "minimum": 2365379.845,
            "name": "Y",
            "position": 1,
            "stddev": 150.2017324,
            "variance": 22560.56043
          },
          {
            "average": 100.7078491,
            "count": 2526764,
            "maximum": 190.2543561,
            "minimum": 36.01435606,
            "name": "Z",
            "position": 2,
            "stddev": 34.36290143,
            "variance": 1180.808995
          },
          {
            "average": 4.622583273,
            "count": 2526764,
            "maximum": 235,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 9.53950285,
            "variance": 91.00211463
          },
          {
            "average": 2.300091342,
            "count": 2526764,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.212223884,
            "variance": 1.469486746
          },
          {
            "average": 3.600236508,
            "count": 2526764,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.434777991,
            "variance": 2.058587884
          },
          {
            "average": 1,
            "count": 2526764,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2526764,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.062689274,
            "count": 2526764,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2424032837,
            "variance": 0.05875935193
          },
          {
            "average": 20.05280917,
            "count": 2526764,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.9217292,
            "variance": 3.693043116
          },
          {
            "average": 91.24670527,
            "count": 2526764,
            "maximum": 206,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.5984851,
            "variance": 4569.555188
          },
          {
            "average": 4.546341882,
            "count": 2526764,
            "maximum": 5,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.613236054,
            "variance": 0.3760584579
          },
          {
            "average": 63759673.5,
            "count": 2526764,
            "maximum": 63759963.38,
            "minimum": 63758810.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 372.315646,
            "variance": 138618.9403
          },
          {
            "average": 0,
            "count": 2526764,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2526764,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2526764,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2526764,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2526764,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627350.4752,
          2365379.845,
          36.01435606,
          627999.8352,
          2365998.465,
          190.2543561
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627350.4751880935,
                2365379.8452140996,
                36.01435606245059
              ],
              [
                627350.4751880935,
                2365998.4652140997,
                36.01435606245059
              ],
              [
                627999.8351880936,
                2365998.4652140997,
                190.2543560624506
              ],
              [
                627999.8351880936,
                2365379.8452140996,
                190.2543560624506
              ],
              [
                627350.4751880935,
                2365379.8452140996,
                36.01435606245059
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:52:43+00:00",
        "end_time": "2013-09-21T00:33:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2765.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2765.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2765.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2765.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7715199,
            21.38607756,
            36.01435606,
            -157.7652101,
            21.39171163,
            190.2543561
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77151989610368,
                  21.386123544016908,
                  36.01435606245059
                ],
                [
                  -157.77147325648127,
                  21.39171162544844,
                  36.01435606245059
                ],
                [
                  -157.76521013445384,
                  21.39166562568476,
                  190.2543560624506
                ],
                [
                  -157.76525700908556,
                  21.386077557612236,
                  190.2543560624506
                ],
                [
                  -157.77151989610368,
                  21.386123544016908,
                  36.01435606245059
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2765.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2765.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:52:43Z",
            "pc:count": 2526764,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627814.6455,
                "count": 2526764,
                "maximum": 627999.8352,
                "minimum": 627350.4752,
                "name": "X",
                "position": 0,
                "stddev": 140.7503426,
                "variance": 19810.65894
              },
              {
                "average": 2365784.375,
                "count": 2526764,
                "maximum": 2365998.465,
                "minimum": 2365379.845,
                "name": "Y",
                "position": 1,
                "stddev": 150.2017324,
                "variance": 22560.56043
              },
              {
                "average": 100.7078491,
                "count": 2526764,
                "maximum": 190.2543561,
                "minimum": 36.01435606,
                "name": "Z",
                "position": 2,
                "stddev": 34.36290143,
                "variance": 1180.808995
              },
              {
                "average": 4.622583273,
                "count": 2526764,
                "maximum": 235,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 9.53950285,
                "variance": 91.00211463
              },
              {
                "average": 2.300091342,
                "count": 2526764,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.212223884,
                "variance": 1.469486746
              },
              {
                "average": 3.600236508,
                "count": 2526764,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.434777991,
                "variance": 2.058587884
              },
              {
                "average": 1,
                "count": 2526764,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2526764,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.062689274,
                "count": 2526764,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2424032837,
                "variance": 0.05875935193
              },
              {
                "average": 20.05280917,
                "count": 2526764,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.9217292,
                "variance": 3.693043116
              },
              {
                "average": 91.24670527,
                "count": 2526764,
                "maximum": 206,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.5984851,
                "variance": 4569.555188
              },
              {
                "average": 4.546341882,
                "count": 2526764,
                "maximum": 5,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.613236054,
                "variance": 0.3760584579
              },
              {
                "average": 63759673.5,
                "count": 2526764,
                "maximum": 63759963.38,
                "minimum": 63758810.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 372.315646,
                "variance": 138618.9403
              },
              {
                "average": 0,
                "count": 2526764,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2526764,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2526764,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2526764,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2526764,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627350.4752,
              2365379.845,
              36.01435606,
              627999.8352,
              2365998.465,
              190.2543561
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627350.4751880935,
                    2365379.8452140996,
                    36.01435606245059
                  ],
                  [
                    627350.4751880935,
                    2365998.4652140997,
                    36.01435606245059
                  ],
                  [
                    627999.8351880936,
                    2365998.4652140997,
                    190.2543560624506
                  ],
                  [
                    627999.8351880936,
                    2365379.8452140996,
                    190.2543560624506
                  ],
                  [
                    627350.4751880935,
                    2365379.8452140996,
                    36.01435606245059
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:52:43+00:00",
            "end_time": "2013-09-21T00:33:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2375.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81277881900374,
              21.47331296559233,
              -7.412858811237566
            ],
            [
              -157.81270560282942,
              21.482346329895563,
              -7.412858811237566
            ],
            [
              -157.8030541875543,
              21.48227749156196,
              0.367141188762434
            ],
            [
              -157.80312800010586,
              21.47324415851233,
              0.367141188762434
            ],
            [
              -157.81277881900374,
              21.47331296559233,
              -7.412858811237566
            ]
          ]
        ]
      },
      "bbox": [
        -157.8127788,
        21.47324416,
        -7.412858811,
        -157.8030542,
        21.48234633,
        0.3671411888
      ],
      "properties": {
        "datetime": "2013-09-19T20:57:11Z",
        "pc:count": 3760416,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623507.7709,
            "count": 3760416,
            "maximum": 623999.8266,
            "minimum": 622999.8066,
            "name": "X",
            "position": 0,
            "stddev": 293.3940703,
            "variance": 86080.08048
          },
          {
            "average": 2375509.247,
            "count": 3760416,
            "maximum": 2375998.492,
            "minimum": 2374998.472,
            "name": "Y",
            "position": 1,
            "stddev": 290.9947257,
            "variance": 84677.93039
          },
          {
            "average": -1.98815105,
            "count": 3760416,
            "maximum": 0.3671411888,
            "minimum": -7.412858811,
            "name": "Z",
            "position": 2,
            "stddev": 1.389083728,
            "variance": 1.929553603
          },
          {
            "average": 4.656501568,
            "count": 3760416,
            "maximum": 8510,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.81368918,
            "variance": 219.445387
          },
          {
            "average": 1.006479336,
            "count": 3760416,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08054079008,
            "variance": 0.006486818867
          },
          {
            "average": 1.008793974,
            "count": 3760416,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09377789294,
            "variance": 0.008794293204
          },
          {
            "average": 1,
            "count": 3760416,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3760416,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3760416,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.06936253,
            "count": 3760416,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.267793107,
            "variance": 5.142885575
          },
          {
            "average": 88.39400588,
            "count": 3760416,
            "maximum": 250,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 70.68480084,
            "variance": 4996.34107
          },
          {
            "average": 6.141954773,
            "count": 3760416,
            "maximum": 10,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.411645079,
            "variance": 1.992741829
          },
          {
            "average": 63651329.14,
            "count": 3760416,
            "maximum": 63659431.87,
            "minimum": 63594356.59,
            "name": "GpsTime",
            "position": 12,
            "stddev": 17061.87685,
            "variance": 291107641.7
          },
          {
            "average": 0,
            "count": 3760416,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3760416,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3760416,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3760416,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3760416,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8066,
          2374998.472,
          -7.412858811,
          623999.8266,
          2375998.492,
          0.3671411888
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8065920697,
                2374998.471519389,
                -7.412858811237566
              ],
              [
                622999.8065920697,
                2375998.4915193887,
                -7.412858811237566
              ],
              [
                623999.8265920697,
                2375998.4915193887,
                0.367141188762434
              ],
              [
                623999.8265920697,
                2374998.471519389,
                0.367141188762434
              ],
              [
                622999.8065920697,
                2374998.471519389,
                -7.412858811237566
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:57:11+00:00",
        "end_time": "2013-09-19T02:52:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2375.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2375.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2375.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2375.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8127788,
            21.47324416,
            -7.412858811,
            -157.8030542,
            21.48234633,
            0.3671411888
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81277881900374,
                  21.47331296559233,
                  -7.412858811237566
                ],
                [
                  -157.81270560282942,
                  21.482346329895563,
                  -7.412858811237566
                ],
                [
                  -157.8030541875543,
                  21.48227749156196,
                  0.367141188762434
                ],
                [
                  -157.80312800010586,
                  21.47324415851233,
                  0.367141188762434
                ],
                [
                  -157.81277881900374,
                  21.47331296559233,
                  -7.412858811237566
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2375.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2375.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:57:11Z",
            "pc:count": 3760416,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623507.7709,
                "count": 3760416,
                "maximum": 623999.8266,
                "minimum": 622999.8066,
                "name": "X",
                "position": 0,
                "stddev": 293.3940703,
                "variance": 86080.08048
              },
              {
                "average": 2375509.247,
                "count": 3760416,
                "maximum": 2375998.492,
                "minimum": 2374998.472,
                "name": "Y",
                "position": 1,
                "stddev": 290.9947257,
                "variance": 84677.93039
              },
              {
                "average": -1.98815105,
                "count": 3760416,
                "maximum": 0.3671411888,
                "minimum": -7.412858811,
                "name": "Z",
                "position": 2,
                "stddev": 1.389083728,
                "variance": 1.929553603
              },
              {
                "average": 4.656501568,
                "count": 3760416,
                "maximum": 8510,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.81368918,
                "variance": 219.445387
              },
              {
                "average": 1.006479336,
                "count": 3760416,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08054079008,
                "variance": 0.006486818867
              },
              {
                "average": 1.008793974,
                "count": 3760416,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09377789294,
                "variance": 0.008794293204
              },
              {
                "average": 1,
                "count": 3760416,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3760416,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3760416,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.06936253,
                "count": 3760416,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.267793107,
                "variance": 5.142885575
              },
              {
                "average": 88.39400588,
                "count": 3760416,
                "maximum": 250,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 70.68480084,
                "variance": 4996.34107
              },
              {
                "average": 6.141954773,
                "count": 3760416,
                "maximum": 10,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.411645079,
                "variance": 1.992741829
              },
              {
                "average": 63651329.14,
                "count": 3760416,
                "maximum": 63659431.87,
                "minimum": 63594356.59,
                "name": "GpsTime",
                "position": 12,
                "stddev": 17061.87685,
                "variance": 291107641.7
              },
              {
                "average": 0,
                "count": 3760416,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3760416,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3760416,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3760416,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3760416,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8066,
              2374998.472,
              -7.412858811,
              623999.8266,
              2375998.492,
              0.3671411888
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8065920697,
                    2374998.471519389,
                    -7.412858811237566
                  ],
                  [
                    622999.8065920697,
                    2375998.4915193887,
                    -7.412858811237566
                  ],
                  [
                    623999.8265920697,
                    2375998.4915193887,
                    0.367141188762434
                  ],
                  [
                    623999.8265920697,
                    2374998.471519389,
                    0.367141188762434
                  ],
                  [
                    622999.8065920697,
                    2374998.471519389,
                    -7.412858811237566
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:57:11+00:00",
            "end_time": "2013-09-19T02:52:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2651.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78561580946328,
              21.256307383229395,
              -15.039861784609627
            ],
            [
              -157.7855417292286,
              21.26534071648469,
              -15.039861784609627
            ],
            [
              -157.77590462295828,
              21.265270984642196,
              31.90013821539037
            ],
            [
              -157.77597929060678,
              21.25623768398208,
              31.90013821539037
            ],
            [
              -157.78561580946328,
              21.256307383229395,
              -15.039861784609627
            ]
          ]
        ]
      },
      "bbox": [
        -157.7856158,
        21.25623768,
        -15.03986178,
        -157.7759046,
        21.26534072,
        31.90013822
      ],
      "properties": {
        "datetime": "2013-09-22T19:51:36Z",
        "pc:count": 10558072,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626453.8289,
            "count": 10558072,
            "maximum": 626999.8096,
            "minimum": 625999.7896,
            "name": "X",
            "position": 0,
            "stddev": 288.0578627,
            "variance": 82977.33226
          },
          {
            "average": 2351545.116,
            "count": 10558072,
            "maximum": 2351998.436,
            "minimum": 2350998.436,
            "name": "Y",
            "position": 1,
            "stddev": 303.8518522,
            "variance": 92325.94809
          },
          {
            "average": -2.674854884,
            "count": 10558072,
            "maximum": 31.90013822,
            "minimum": -15.03986178,
            "name": "Z",
            "position": 2,
            "stddev": 7.601273269,
            "variance": 57.77935532
          },
          {
            "average": 16.72854476,
            "count": 10558072,
            "maximum": 1679,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 47.58847768,
            "variance": 2264.663208
          },
          {
            "average": 1.164086966,
            "count": 10558072,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5347544812,
            "variance": 0.2859623551
          },
          {
            "average": 1.328136898,
            "count": 10558072,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8362164452,
            "variance": 0.6992579433
          },
          {
            "average": 1,
            "count": 10558072,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10558072,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 21.90224513,
            "count": 10558072,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.16221936,
            "variance": 147.9195798
          },
          {
            "average": 19.7481739,
            "count": 10558072,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.00276581,
            "variance": 9.016602508
          },
          {
            "average": 93.37159597,
            "count": 10558072,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.89693082,
            "variance": 4746.787077
          },
          {
            "average": 7.005525062,
            "count": 10558072,
            "maximum": 11,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.018888039,
            "variance": 4.075908914
          },
          {
            "average": 63460832.4,
            "count": 10558072,
            "maximum": 63914696.58,
            "minimum": 63379291.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 190107.166,
            "variance": 36140734570.0
          },
          {
            "average": 0,
            "count": 10558072,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10558072,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10558072,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10558072,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10558072,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.7896,
          2350998.436,
          -15.03986178,
          626999.8096,
          2351998.436,
          31.90013822
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.789556866,
                2350998.435580126,
                -15.039861784609627
              ],
              [
                625999.789556866,
                2351998.435580126,
                -15.039861784609627
              ],
              [
                626999.8095568661,
                2351998.435580126,
                31.90013821539037
              ],
              [
                626999.8095568661,
                2350998.435580126,
                31.90013821539037
              ],
              [
                625999.789556866,
                2350998.435580126,
                -15.039861784609627
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:51:36+00:00",
        "end_time": "2013-09-16T15:08:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2651.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2651.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2651.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2651.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7856158,
            21.25623768,
            -15.03986178,
            -157.7759046,
            21.26534072,
            31.90013822
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78561580946328,
                  21.256307383229395,
                  -15.039861784609627
                ],
                [
                  -157.7855417292286,
                  21.26534071648469,
                  -15.039861784609627
                ],
                [
                  -157.77590462295828,
                  21.265270984642196,
                  31.90013821539037
                ],
                [
                  -157.77597929060678,
                  21.25623768398208,
                  31.90013821539037
                ],
                [
                  -157.78561580946328,
                  21.256307383229395,
                  -15.039861784609627
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2651.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2651.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:51:36Z",
            "pc:count": 10558072,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626453.8289,
                "count": 10558072,
                "maximum": 626999.8096,
                "minimum": 625999.7896,
                "name": "X",
                "position": 0,
                "stddev": 288.0578627,
                "variance": 82977.33226
              },
              {
                "average": 2351545.116,
                "count": 10558072,
                "maximum": 2351998.436,
                "minimum": 2350998.436,
                "name": "Y",
                "position": 1,
                "stddev": 303.8518522,
                "variance": 92325.94809
              },
              {
                "average": -2.674854884,
                "count": 10558072,
                "maximum": 31.90013822,
                "minimum": -15.03986178,
                "name": "Z",
                "position": 2,
                "stddev": 7.601273269,
                "variance": 57.77935532
              },
              {
                "average": 16.72854476,
                "count": 10558072,
                "maximum": 1679,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 47.58847768,
                "variance": 2264.663208
              },
              {
                "average": 1.164086966,
                "count": 10558072,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5347544812,
                "variance": 0.2859623551
              },
              {
                "average": 1.328136898,
                "count": 10558072,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8362164452,
                "variance": 0.6992579433
              },
              {
                "average": 1,
                "count": 10558072,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10558072,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 21.90224513,
                "count": 10558072,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.16221936,
                "variance": 147.9195798
              },
              {
                "average": 19.7481739,
                "count": 10558072,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.00276581,
                "variance": 9.016602508
              },
              {
                "average": 93.37159597,
                "count": 10558072,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.89693082,
                "variance": 4746.787077
              },
              {
                "average": 7.005525062,
                "count": 10558072,
                "maximum": 11,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.018888039,
                "variance": 4.075908914
              },
              {
                "average": 63460832.4,
                "count": 10558072,
                "maximum": 63914696.58,
                "minimum": 63379291.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 190107.166,
                "variance": 36140734570.0
              },
              {
                "average": 0,
                "count": 10558072,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10558072,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10558072,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10558072,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10558072,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.7896,
              2350998.436,
              -15.03986178,
              626999.8096,
              2351998.436,
              31.90013822
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.789556866,
                    2350998.435580126,
                    -15.039861784609627
                  ],
                  [
                    625999.789556866,
                    2351998.435580126,
                    -15.039861784609627
                  ],
                  [
                    626999.8095568661,
                    2351998.435580126,
                    31.90013821539037
                  ],
                  [
                    626999.8095568661,
                    2350998.435580126,
                    31.90013821539037
                  ],
                  [
                    625999.789556866,
                    2350998.435580126,
                    -15.039861784609627
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:51:36+00:00",
            "end_time": "2013-09-16T15:08:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2152.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.83372695481597,
              21.265681122920938,
              -12.484089189512776
            ],
            [
              -157.8336557724718,
              21.27471460922471,
              -12.484089189512776
            ],
            [
              -157.82401807836845,
              21.274647605003743,
              20.255910810487226
            ],
            [
              -157.82408984696488,
              21.265614152496898,
              20.255910810487226
            ],
            [
              -157.83372695481597,
              21.265681122920938,
              -12.484089189512776
            ]
          ]
        ]
      },
      "bbox": [
        -157.833727,
        21.26561415,
        -12.48408919,
        -157.8240181,
        21.27471461,
        20.25591081
      ],
      "properties": {
        "datetime": "2013-09-15T12:13:00Z",
        "pc:count": 2649088,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621520.2248,
            "count": 2649088,
            "maximum": 621999.7821,
            "minimum": 620999.7821,
            "name": "X",
            "position": 0,
            "stddev": 310.0679451,
            "variance": 96142.13057
          },
          {
            "average": 2352574.496,
            "count": 2649088,
            "maximum": 2352998.439,
            "minimum": 2351998.439,
            "name": "Y",
            "position": 1,
            "stddev": 270.4894061,
            "variance": 73164.51881
          },
          {
            "average": -2.914433859,
            "count": 2649088,
            "maximum": 20.25591081,
            "minimum": -12.48408919,
            "name": "Z",
            "position": 2,
            "stddev": 2.543501347,
            "variance": 6.469399104
          },
          {
            "average": 17.86589158,
            "count": 2649088,
            "maximum": 2191,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 38.71481547,
            "variance": 1498.836937
          },
          {
            "average": 1.071324169,
            "count": 2649088,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2828325466,
            "variance": 0.07999424943
          },
          {
            "average": 1.098276841,
            "count": 2649088,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3541062074,
            "variance": 0.1253912061
          },
          {
            "average": 1,
            "count": 2649088,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2649088,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.32274843,
            "count": 2649088,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.276453196,
            "variance": 18.28805194
          },
          {
            "average": 20.15392131,
            "count": 2649088,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.096125026,
            "variance": 9.585990177
          },
          {
            "average": 97.27397731,
            "count": 2649088,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 81.62978805,
            "variance": 6663.422298
          },
          {
            "average": 10.71107189,
            "count": 2649088,
            "maximum": 15,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.466483543,
            "variance": 2.150573982
          },
          {
            "average": 63280647.61,
            "count": 2649088,
            "maximum": 63282380.72,
            "minimum": 63279236.66,
            "name": "GpsTime",
            "position": 12,
            "stddev": 582.8605362,
            "variance": 339726.4046
          },
          {
            "average": 0,
            "count": 2649088,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2649088,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2649088,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2649088,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2649088,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.7821,
          2351998.439,
          -12.48408919,
          621999.7821,
          2352998.439,
          20.25591081
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.7820918844,
                2351998.4389686575,
                -12.484089189512776
              ],
              [
                620999.7820918844,
                2352998.4389686575,
                -12.484089189512776
              ],
              [
                621999.7820918844,
                2352998.4389686575,
                20.255910810487226
              ],
              [
                621999.7820918844,
                2351998.4389686575,
                20.255910810487226
              ],
              [
                620999.7820918844,
                2351998.4389686575,
                -12.484089189512776
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T12:13:00+00:00",
        "end_time": "2013-09-15T11:20:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2152.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2152.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2152.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2152.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.833727,
            21.26561415,
            -12.48408919,
            -157.8240181,
            21.27471461,
            20.25591081
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.83372695481597,
                  21.265681122920938,
                  -12.484089189512776
                ],
                [
                  -157.8336557724718,
                  21.27471460922471,
                  -12.484089189512776
                ],
                [
                  -157.82401807836845,
                  21.274647605003743,
                  20.255910810487226
                ],
                [
                  -157.82408984696488,
                  21.265614152496898,
                  20.255910810487226
                ],
                [
                  -157.83372695481597,
                  21.265681122920938,
                  -12.484089189512776
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2152.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2152.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T12:13:00Z",
            "pc:count": 2649088,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621520.2248,
                "count": 2649088,
                "maximum": 621999.7821,
                "minimum": 620999.7821,
                "name": "X",
                "position": 0,
                "stddev": 310.0679451,
                "variance": 96142.13057
              },
              {
                "average": 2352574.496,
                "count": 2649088,
                "maximum": 2352998.439,
                "minimum": 2351998.439,
                "name": "Y",
                "position": 1,
                "stddev": 270.4894061,
                "variance": 73164.51881
              },
              {
                "average": -2.914433859,
                "count": 2649088,
                "maximum": 20.25591081,
                "minimum": -12.48408919,
                "name": "Z",
                "position": 2,
                "stddev": 2.543501347,
                "variance": 6.469399104
              },
              {
                "average": 17.86589158,
                "count": 2649088,
                "maximum": 2191,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 38.71481547,
                "variance": 1498.836937
              },
              {
                "average": 1.071324169,
                "count": 2649088,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2828325466,
                "variance": 0.07999424943
              },
              {
                "average": 1.098276841,
                "count": 2649088,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3541062074,
                "variance": 0.1253912061
              },
              {
                "average": 1,
                "count": 2649088,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2649088,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.32274843,
                "count": 2649088,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.276453196,
                "variance": 18.28805194
              },
              {
                "average": 20.15392131,
                "count": 2649088,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.096125026,
                "variance": 9.585990177
              },
              {
                "average": 97.27397731,
                "count": 2649088,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 81.62978805,
                "variance": 6663.422298
              },
              {
                "average": 10.71107189,
                "count": 2649088,
                "maximum": 15,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.466483543,
                "variance": 2.150573982
              },
              {
                "average": 63280647.61,
                "count": 2649088,
                "maximum": 63282380.72,
                "minimum": 63279236.66,
                "name": "GpsTime",
                "position": 12,
                "stddev": 582.8605362,
                "variance": 339726.4046
              },
              {
                "average": 0,
                "count": 2649088,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2649088,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2649088,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2649088,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2649088,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.7821,
              2351998.439,
              -12.48408919,
              621999.7821,
              2352998.439,
              20.25591081
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.7820918844,
                    2351998.4389686575,
                    -12.484089189512776
                  ],
                  [
                    620999.7820918844,
                    2352998.4389686575,
                    -12.484089189512776
                  ],
                  [
                    621999.7820918844,
                    2352998.4389686575,
                    20.255910810487226
                  ],
                  [
                    621999.7820918844,
                    2351998.4389686575,
                    20.255910810487226
                  ],
                  [
                    620999.7820918844,
                    2351998.4389686575,
                    -12.484089189512776
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T12:13:00+00:00",
            "end_time": "2013-09-15T11:20:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2869.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.76498256022606,
              21.418764879160854,
              -0.825770615504027
            ],
            [
              -157.76490650784663,
              21.42779813578275,
              -0.825770615504027
            ],
            [
              -157.75525888698996,
              21.427726705254614,
              179.43422938449595
            ],
            [
              -157.75533554060453,
              21.41869348278231,
              179.43422938449595
            ],
            [
              -157.76498256022606,
              21.418764879160854,
              -0.825770615504027
            ]
          ]
        ]
      },
      "bbox": [
        -157.7649826,
        21.41869348,
        -0.8257706155,
        -157.7552589,
        21.42779814,
        179.4342294
      ],
      "properties": {
        "datetime": "2013-09-20T19:32:28Z",
        "pc:count": 8106233,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628525.5053,
            "count": 8106233,
            "maximum": 628999.8503,
            "minimum": 627999.8303,
            "name": "X",
            "position": 0,
            "stddev": 279.0030267,
            "variance": 77842.68892
          },
          {
            "average": 2369491.15,
            "count": 8106233,
            "maximum": 2369998.48,
            "minimum": 2368998.46,
            "name": "Y",
            "position": 1,
            "stddev": 280.9316058,
            "variance": 78922.56716
          },
          {
            "average": 53.32917177,
            "count": 8106233,
            "maximum": 179.4342294,
            "minimum": -0.8257706155,
            "name": "Z",
            "position": 2,
            "stddev": 38.1983078,
            "variance": 1459.110719
          },
          {
            "average": 12.76171941,
            "count": 8106233,
            "maximum": 1064,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.90014773,
            "variance": 670.8176523
          },
          {
            "average": 1.616618718,
            "count": 8106233,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8753550841,
            "variance": 0.7662465232
          },
          {
            "average": 2.234563699,
            "count": 8106233,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.205049779,
            "variance": 1.452144969
          },
          {
            "average": 1,
            "count": 8106233,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8106233,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.305414241,
            "count": 8106233,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.143826069,
            "variance": 4.595990214
          },
          {
            "average": 20.11927148,
            "count": 8106233,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.125413609,
            "variance": 4.517383009
          },
          {
            "average": 90.70294266,
            "count": 8106233,
            "maximum": 212,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.90883182,
            "variance": 4476.791775
          },
          {
            "average": 5.438219331,
            "count": 8106233,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.967534701,
            "variance": 15.7413316
          },
          {
            "average": 63674370.72,
            "count": 8106233,
            "maximum": 63740748.78,
            "minimum": 63657144.66,
            "name": "GpsTime",
            "position": 12,
            "stddev": 23701.84409,
            "variance": 561777413.3
          },
          {
            "average": 0,
            "count": 8106233,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8106233,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8106233,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8106233,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8106233,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.8303,
          2368998.46,
          -0.8257706155,
          628999.8503,
          2369998.48,
          179.4342294
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8303157613,
                2368998.459718763,
                -0.825770615504027
              ],
              [
                627999.8303157613,
                2369998.4797187624,
                -0.825770615504027
              ],
              [
                628999.8503157613,
                2369998.4797187624,
                179.43422938449595
              ],
              [
                628999.8503157613,
                2368998.459718763,
                179.43422938449595
              ],
              [
                627999.8303157613,
                2368998.459718763,
                -0.825770615504027
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:32:28+00:00",
        "end_time": "2013-09-19T20:19:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2869.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2869.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2869.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2869.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7649826,
            21.41869348,
            -0.8257706155,
            -157.7552589,
            21.42779814,
            179.4342294
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.76498256022606,
                  21.418764879160854,
                  -0.825770615504027
                ],
                [
                  -157.76490650784663,
                  21.42779813578275,
                  -0.825770615504027
                ],
                [
                  -157.75525888698996,
                  21.427726705254614,
                  179.43422938449595
                ],
                [
                  -157.75533554060453,
                  21.41869348278231,
                  179.43422938449595
                ],
                [
                  -157.76498256022606,
                  21.418764879160854,
                  -0.825770615504027
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2869.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2869.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:32:28Z",
            "pc:count": 8106233,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628525.5053,
                "count": 8106233,
                "maximum": 628999.8503,
                "minimum": 627999.8303,
                "name": "X",
                "position": 0,
                "stddev": 279.0030267,
                "variance": 77842.68892
              },
              {
                "average": 2369491.15,
                "count": 8106233,
                "maximum": 2369998.48,
                "minimum": 2368998.46,
                "name": "Y",
                "position": 1,
                "stddev": 280.9316058,
                "variance": 78922.56716
              },
              {
                "average": 53.32917177,
                "count": 8106233,
                "maximum": 179.4342294,
                "minimum": -0.8257706155,
                "name": "Z",
                "position": 2,
                "stddev": 38.1983078,
                "variance": 1459.110719
              },
              {
                "average": 12.76171941,
                "count": 8106233,
                "maximum": 1064,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.90014773,
                "variance": 670.8176523
              },
              {
                "average": 1.616618718,
                "count": 8106233,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8753550841,
                "variance": 0.7662465232
              },
              {
                "average": 2.234563699,
                "count": 8106233,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.205049779,
                "variance": 1.452144969
              },
              {
                "average": 1,
                "count": 8106233,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8106233,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.305414241,
                "count": 8106233,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.143826069,
                "variance": 4.595990214
              },
              {
                "average": 20.11927148,
                "count": 8106233,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.125413609,
                "variance": 4.517383009
              },
              {
                "average": 90.70294266,
                "count": 8106233,
                "maximum": 212,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.90883182,
                "variance": 4476.791775
              },
              {
                "average": 5.438219331,
                "count": 8106233,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.967534701,
                "variance": 15.7413316
              },
              {
                "average": 63674370.72,
                "count": 8106233,
                "maximum": 63740748.78,
                "minimum": 63657144.66,
                "name": "GpsTime",
                "position": 12,
                "stddev": 23701.84409,
                "variance": 561777413.3
              },
              {
                "average": 0,
                "count": 8106233,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8106233,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8106233,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8106233,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8106233,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.8303,
              2368998.46,
              -0.8257706155,
              628999.8503,
              2369998.48,
              179.4342294
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8303157613,
                    2368998.459718763,
                    -0.825770615504027
                  ],
                  [
                    627999.8303157613,
                    2369998.4797187624,
                    -0.825770615504027
                  ],
                  [
                    628999.8503157613,
                    2369998.4797187624,
                    179.43422938449595
                  ],
                  [
                    628999.8503157613,
                    2368998.459718763,
                    179.43422938449595
                  ],
                  [
                    627999.8303157613,
                    2368998.459718763,
                    -0.825770615504027
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:32:28+00:00",
            "end_time": "2013-09-19T20:19:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2053.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84329347606854,
              21.274780922752146,
              -13.235615727427422
            ],
            [
              -157.84322283760542,
              21.28381462335587,
              -13.235615727427422
            ],
            [
              -157.83358451518018,
              21.28374813852465,
              116.74438427257257
            ],
            [
              -157.83365574213326,
              21.2747144704442,
              116.74438427257257
            ],
            [
              -157.84329347606854,
              21.274780922752146,
              -13.235615727427422
            ]
          ]
        ]
      },
      "bbox": [
        -157.8432935,
        21.27471447,
        -13.23561573,
        -157.8335845,
        21.28381462,
        116.7443843
      ],
      "properties": {
        "datetime": "2013-09-15T11:59:24Z",
        "pc:count": 3907620,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620593.3788,
            "count": 3907620,
            "maximum": 620999.7854,
            "minimum": 619999.7854,
            "name": "X",
            "position": 0,
            "stddev": 274.4939737,
            "variance": 75346.94162
          },
          {
            "average": 2353581.047,
            "count": 3907620,
            "maximum": 2353998.444,
            "minimum": 2352998.424,
            "name": "Y",
            "position": 1,
            "stddev": 290.5835404,
            "variance": 84438.79396
          },
          {
            "average": 5.112996208,
            "count": 3907620,
            "maximum": 116.7443843,
            "minimum": -13.23561573,
            "name": "Z",
            "position": 2,
            "stddev": 13.11984329,
            "variance": 172.130288
          },
          {
            "average": 15.80002098,
            "count": 3907620,
            "maximum": 3380,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.55840055,
            "variance": 1564.867054
          },
          {
            "average": 1.312137055,
            "count": 3907620,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7083224613,
            "variance": 0.5017207092
          },
          {
            "average": 1.611598108,
            "count": 3907620,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.081382708,
            "variance": 1.169388562
          },
          {
            "average": 1,
            "count": 3907620,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3907620,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.54447055,
            "count": 3907620,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.8117919,
            "variance": 190.7655954
          },
          {
            "average": 19.96956341,
            "count": 3907620,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.709429256,
            "variance": 7.341006894
          },
          {
            "average": 89.918662,
            "count": 3907620,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.01587117,
            "variance": 5043.253958
          },
          {
            "average": 8.69649275,
            "count": 3907620,
            "maximum": 13,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.579399635,
            "variance": 2.494503209
          },
          {
            "average": 63279864.43,
            "count": 3907620,
            "maximum": 63281564.94,
            "minimum": 63278582.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 606.3634783,
            "variance": 367676.6678
          },
          {
            "average": 0,
            "count": 3907620,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3907620,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3907620,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3907620,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3907620,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.7854,
          2352998.424,
          -13.23561573,
          620999.7854,
          2353998.444,
          116.7443843
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.7853531006,
                2352998.4236298436,
                -13.235615727427422
              ],
              [
                619999.7853531006,
                2353998.443629843,
                -13.235615727427422
              ],
              [
                620999.7853531006,
                2353998.443629843,
                116.74438427257257
              ],
              [
                620999.7853531006,
                2352998.4236298436,
                116.74438427257257
              ],
              [
                619999.7853531006,
                2352998.4236298436,
                -13.235615727427422
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T11:59:24+00:00",
        "end_time": "2013-09-15T11:09:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2053.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2053.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2053.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2053.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8432935,
            21.27471447,
            -13.23561573,
            -157.8335845,
            21.28381462,
            116.7443843
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84329347606854,
                  21.274780922752146,
                  -13.235615727427422
                ],
                [
                  -157.84322283760542,
                  21.28381462335587,
                  -13.235615727427422
                ],
                [
                  -157.83358451518018,
                  21.28374813852465,
                  116.74438427257257
                ],
                [
                  -157.83365574213326,
                  21.2747144704442,
                  116.74438427257257
                ],
                [
                  -157.84329347606854,
                  21.274780922752146,
                  -13.235615727427422
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2053.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2053.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T11:59:24Z",
            "pc:count": 3907620,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620593.3788,
                "count": 3907620,
                "maximum": 620999.7854,
                "minimum": 619999.7854,
                "name": "X",
                "position": 0,
                "stddev": 274.4939737,
                "variance": 75346.94162
              },
              {
                "average": 2353581.047,
                "count": 3907620,
                "maximum": 2353998.444,
                "minimum": 2352998.424,
                "name": "Y",
                "position": 1,
                "stddev": 290.5835404,
                "variance": 84438.79396
              },
              {
                "average": 5.112996208,
                "count": 3907620,
                "maximum": 116.7443843,
                "minimum": -13.23561573,
                "name": "Z",
                "position": 2,
                "stddev": 13.11984329,
                "variance": 172.130288
              },
              {
                "average": 15.80002098,
                "count": 3907620,
                "maximum": 3380,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.55840055,
                "variance": 1564.867054
              },
              {
                "average": 1.312137055,
                "count": 3907620,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7083224613,
                "variance": 0.5017207092
              },
              {
                "average": 1.611598108,
                "count": 3907620,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.081382708,
                "variance": 1.169388562
              },
              {
                "average": 1,
                "count": 3907620,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3907620,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.54447055,
                "count": 3907620,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.8117919,
                "variance": 190.7655954
              },
              {
                "average": 19.96956341,
                "count": 3907620,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.709429256,
                "variance": 7.341006894
              },
              {
                "average": 89.918662,
                "count": 3907620,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.01587117,
                "variance": 5043.253958
              },
              {
                "average": 8.69649275,
                "count": 3907620,
                "maximum": 13,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.579399635,
                "variance": 2.494503209
              },
              {
                "average": 63279864.43,
                "count": 3907620,
                "maximum": 63281564.94,
                "minimum": 63278582.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 606.3634783,
                "variance": 367676.6678
              },
              {
                "average": 0,
                "count": 3907620,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3907620,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3907620,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3907620,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3907620,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.7854,
              2352998.424,
              -13.23561573,
              620999.7854,
              2353998.444,
              116.7443843
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.7853531006,
                    2352998.4236298436,
                    -13.235615727427422
                  ],
                  [
                    619999.7853531006,
                    2353998.443629843,
                    -13.235615727427422
                  ],
                  [
                    620999.7853531006,
                    2353998.443629843,
                    116.74438427257257
                  ],
                  [
                    620999.7853531006,
                    2352998.4236298436,
                    116.74438427257257
                  ],
                  [
                    619999.7853531006,
                    2352998.4236298436,
                    -13.235615727427422
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T11:59:24+00:00",
            "end_time": "2013-09-15T11:09:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2550.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.79532566697225,
              21.2473431534213,
              -19.42288467717858
            ],
            [
              -157.79525221259155,
              21.25637652935893,
              -19.42288467717858
            ],
            [
              -157.7856156542067,
              21.256307381653915,
              36.61711532282142
            ],
            [
              -157.78568969568067,
              21.24727403806213,
              36.61711532282142
            ],
            [
              -157.79532566697225,
              21.2473431534213,
              -19.42288467717858
            ]
          ]
        ]
      },
      "bbox": [
        -157.7953257,
        21.24727404,
        -19.42288468,
        -157.7856157,
        21.25637653,
        36.61711532
      ],
      "properties": {
        "datetime": "2013-09-16T15:24:37Z",
        "pc:count": 12440469,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625416.5108,
            "count": 12440469,
            "maximum": 625999.8057,
            "minimum": 624999.7857,
            "name": "X",
            "position": 0,
            "stddev": 263.6176105,
            "variance": 69494.24458
          },
          {
            "average": 2350543.748,
            "count": 12440469,
            "maximum": 2350998.436,
            "minimum": 2349998.436,
            "name": "Y",
            "position": 1,
            "stddev": 275.5206133,
            "variance": 75911.60833
          },
          {
            "average": -8.226218098,
            "count": 12440469,
            "maximum": 36.61711532,
            "minimum": -19.42288468,
            "name": "Z",
            "position": 2,
            "stddev": 8.017475612,
            "variance": 64.27991519
          },
          {
            "average": 26.86428309,
            "count": 12440469,
            "maximum": 6885,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 62.99863819,
            "variance": 3968.828414
          },
          {
            "average": 1.040401692,
            "count": 12440469,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2532285822,
            "variance": 0.06412471485
          },
          {
            "average": 1.076135715,
            "count": 12440469,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3903734786,
            "variance": 0.1523914528
          },
          {
            "average": 1,
            "count": 12440469,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12440469,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.82358921,
            "count": 12440469,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.487515797,
            "variance": 56.06289281
          },
          {
            "average": 17.64689791,
            "count": 12440469,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.678111906,
            "variance": 44.59717863
          },
          {
            "average": 106.8299783,
            "count": 12440469,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 76.44125242,
            "variance": 5843.265072
          },
          {
            "average": 6.091667766,
            "count": 12440469,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.881250229,
            "variance": 8.301602882
          },
          {
            "average": 63343090.16,
            "count": 12440469,
            "maximum": 63380277.4,
            "minimum": 63279298.65,
            "name": "GpsTime",
            "position": 12,
            "stddev": 47777.93386,
            "variance": 2282730964
          },
          {
            "average": 0,
            "count": 12440469,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12440469,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12440469,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12440469,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12440469,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.7857,
          2349998.436,
          -19.42288468,
          625999.8057,
          2350998.436,
          36.61711532
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.7856688139,
                2349998.4355295403,
                -19.42288467717858
              ],
              [
                624999.7856688139,
                2350998.4355295403,
                -19.42288467717858
              ],
              [
                625999.8056688139,
                2350998.4355295403,
                36.61711532282142
              ],
              [
                625999.8056688139,
                2349998.4355295403,
                36.61711532282142
              ],
              [
                624999.7856688139,
                2349998.4355295403,
                -19.42288467717858
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T15:24:37+00:00",
        "end_time": "2013-09-15T11:21:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2550.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2550.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2550.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2550.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7953257,
            21.24727404,
            -19.42288468,
            -157.7856157,
            21.25637653,
            36.61711532
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.79532566697225,
                  21.2473431534213,
                  -19.42288467717858
                ],
                [
                  -157.79525221259155,
                  21.25637652935893,
                  -19.42288467717858
                ],
                [
                  -157.7856156542067,
                  21.256307381653915,
                  36.61711532282142
                ],
                [
                  -157.78568969568067,
                  21.24727403806213,
                  36.61711532282142
                ],
                [
                  -157.79532566697225,
                  21.2473431534213,
                  -19.42288467717858
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2550.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2550.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T15:24:37Z",
            "pc:count": 12440469,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625416.5108,
                "count": 12440469,
                "maximum": 625999.8057,
                "minimum": 624999.7857,
                "name": "X",
                "position": 0,
                "stddev": 263.6176105,
                "variance": 69494.24458
              },
              {
                "average": 2350543.748,
                "count": 12440469,
                "maximum": 2350998.436,
                "minimum": 2349998.436,
                "name": "Y",
                "position": 1,
                "stddev": 275.5206133,
                "variance": 75911.60833
              },
              {
                "average": -8.226218098,
                "count": 12440469,
                "maximum": 36.61711532,
                "minimum": -19.42288468,
                "name": "Z",
                "position": 2,
                "stddev": 8.017475612,
                "variance": 64.27991519
              },
              {
                "average": 26.86428309,
                "count": 12440469,
                "maximum": 6885,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 62.99863819,
                "variance": 3968.828414
              },
              {
                "average": 1.040401692,
                "count": 12440469,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2532285822,
                "variance": 0.06412471485
              },
              {
                "average": 1.076135715,
                "count": 12440469,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3903734786,
                "variance": 0.1523914528
              },
              {
                "average": 1,
                "count": 12440469,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12440469,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.82358921,
                "count": 12440469,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.487515797,
                "variance": 56.06289281
              },
              {
                "average": 17.64689791,
                "count": 12440469,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.678111906,
                "variance": 44.59717863
              },
              {
                "average": 106.8299783,
                "count": 12440469,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 76.44125242,
                "variance": 5843.265072
              },
              {
                "average": 6.091667766,
                "count": 12440469,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.881250229,
                "variance": 8.301602882
              },
              {
                "average": 63343090.16,
                "count": 12440469,
                "maximum": 63380277.4,
                "minimum": 63279298.65,
                "name": "GpsTime",
                "position": 12,
                "stddev": 47777.93386,
                "variance": 2282730964
              },
              {
                "average": 0,
                "count": 12440469,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12440469,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12440469,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12440469,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12440469,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.7857,
              2349998.436,
              -19.42288468,
              625999.8057,
              2350998.436,
              36.61711532
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.7856688139,
                    2349998.4355295403,
                    -19.42288467717858
                  ],
                  [
                    624999.7856688139,
                    2350998.4355295403,
                    -19.42288467717858
                  ],
                  [
                    625999.8056688139,
                    2350998.4355295403,
                    36.61711532282142
                  ],
                  [
                    625999.8056688139,
                    2349998.4355295403,
                    36.61711532282142
                  ],
                  [
                    624999.7856688139,
                    2349998.4355295403,
                    -19.42288467717858
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T15:24:37+00:00",
            "end_time": "2013-09-15T11:21:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2253.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82401810207188,
              21.274647562746967,
              -0.60640120287421
            ],
            [
              -157.82394629372376,
              21.283681010261283,
              -0.60640120287421
            ],
            [
              -157.81430785671213,
              21.2836134186231,
              116.33359879712579
            ],
            [
              -157.81438025210952,
              21.274580005455313,
              116.33359879712579
            ],
            [
              -157.82401810207188,
              21.274647562746967,
              -0.60640120287421
            ]
          ]
        ]
      },
      "bbox": [
        -157.8240181,
        21.27458001,
        -0.6064012029,
        -157.8143079,
        21.28368101,
        116.3335988
      ],
      "properties": {
        "datetime": "2013-09-15T11:26:07Z",
        "pc:count": 6231221,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622499.8565,
            "count": 6231221,
            "maximum": 622999.7997,
            "minimum": 621999.7797,
            "name": "X",
            "position": 0,
            "stddev": 284.4507817,
            "variance": 80912.24722
          },
          {
            "average": 2353498.624,
            "count": 6231221,
            "maximum": 2353998.434,
            "minimum": 2352998.434,
            "name": "Y",
            "position": 1,
            "stddev": 289.9851444,
            "variance": 84091.38398
          },
          {
            "average": 7.551471333,
            "count": 6231221,
            "maximum": 116.3335988,
            "minimum": -0.6064012029,
            "name": "Z",
            "position": 2,
            "stddev": 11.75688038,
            "variance": 138.2242362
          },
          {
            "average": 21.74895017,
            "count": 6231221,
            "maximum": 903,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.78097783,
            "variance": 1141.154463
          },
          {
            "average": 1.488164037,
            "count": 6231221,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8871401702,
            "variance": 0.7870176816
          },
          {
            "average": 1.976927796,
            "count": 6231221,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.334137859,
            "variance": 1.779923828
          },
          {
            "average": 1,
            "count": 6231221,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6231221,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.304117443,
            "count": 6231221,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.222057279,
            "variance": 1.493423992
          },
          {
            "average": 19.92948612,
            "count": 6231221,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.961217029,
            "variance": 8.76880629
          },
          {
            "average": 91.70560553,
            "count": 6231221,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.26771987,
            "variance": 4259.875257
          },
          {
            "average": 4.052845181,
            "count": 6231221,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.592534474,
            "variance": 2.536166049
          },
          {
            "average": 63278288.95,
            "count": 6231221,
            "maximum": 63279567.09,
            "minimum": 63277399.05,
            "name": "GpsTime",
            "position": 12,
            "stddev": 490.6143226,
            "variance": 240702.4135
          },
          {
            "average": 0,
            "count": 6231221,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6231221,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6231221,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6231221,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6231221,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.7797,
          2352998.434,
          -0.6064012029,
          622999.7997,
          2353998.434,
          116.3335988
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.7796674066,
                2352998.4342727866,
                -0.60640120287421
              ],
              [
                621999.7796674066,
                2353998.4342727866,
                -0.60640120287421
              ],
              [
                622999.7996674066,
                2353998.4342727866,
                116.33359879712579
              ],
              [
                622999.7996674066,
                2352998.4342727866,
                116.33359879712579
              ],
              [
                621999.7796674066,
                2352998.4342727866,
                -0.60640120287421
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T11:26:07+00:00",
        "end_time": "2013-09-15T10:49:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2253.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2253.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2253.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2253.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8240181,
            21.27458001,
            -0.6064012029,
            -157.8143079,
            21.28368101,
            116.3335988
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82401810207188,
                  21.274647562746967,
                  -0.60640120287421
                ],
                [
                  -157.82394629372376,
                  21.283681010261283,
                  -0.60640120287421
                ],
                [
                  -157.81430785671213,
                  21.2836134186231,
                  116.33359879712579
                ],
                [
                  -157.81438025210952,
                  21.274580005455313,
                  116.33359879712579
                ],
                [
                  -157.82401810207188,
                  21.274647562746967,
                  -0.60640120287421
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2253.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2253.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T11:26:07Z",
            "pc:count": 6231221,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622499.8565,
                "count": 6231221,
                "maximum": 622999.7997,
                "minimum": 621999.7797,
                "name": "X",
                "position": 0,
                "stddev": 284.4507817,
                "variance": 80912.24722
              },
              {
                "average": 2353498.624,
                "count": 6231221,
                "maximum": 2353998.434,
                "minimum": 2352998.434,
                "name": "Y",
                "position": 1,
                "stddev": 289.9851444,
                "variance": 84091.38398
              },
              {
                "average": 7.551471333,
                "count": 6231221,
                "maximum": 116.3335988,
                "minimum": -0.6064012029,
                "name": "Z",
                "position": 2,
                "stddev": 11.75688038,
                "variance": 138.2242362
              },
              {
                "average": 21.74895017,
                "count": 6231221,
                "maximum": 903,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.78097783,
                "variance": 1141.154463
              },
              {
                "average": 1.488164037,
                "count": 6231221,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8871401702,
                "variance": 0.7870176816
              },
              {
                "average": 1.976927796,
                "count": 6231221,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.334137859,
                "variance": 1.779923828
              },
              {
                "average": 1,
                "count": 6231221,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6231221,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.304117443,
                "count": 6231221,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.222057279,
                "variance": 1.493423992
              },
              {
                "average": 19.92948612,
                "count": 6231221,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.961217029,
                "variance": 8.76880629
              },
              {
                "average": 91.70560553,
                "count": 6231221,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.26771987,
                "variance": 4259.875257
              },
              {
                "average": 4.052845181,
                "count": 6231221,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.592534474,
                "variance": 2.536166049
              },
              {
                "average": 63278288.95,
                "count": 6231221,
                "maximum": 63279567.09,
                "minimum": 63277399.05,
                "name": "GpsTime",
                "position": 12,
                "stddev": 490.6143226,
                "variance": 240702.4135
              },
              {
                "average": 0,
                "count": 6231221,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6231221,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6231221,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6231221,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6231221,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.7797,
              2352998.434,
              -0.6064012029,
              622999.7997,
              2353998.434,
              116.3335988
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.7796674066,
                    2352998.4342727866,
                    -0.60640120287421
                  ],
                  [
                    621999.7796674066,
                    2353998.4342727866,
                    -0.60640120287421
                  ],
                  [
                    622999.7996674066,
                    2353998.4342727866,
                    116.33359879712579
                  ],
                  [
                    622999.7996674066,
                    2352998.4342727866,
                    116.33359879712579
                  ],
                  [
                    621999.7796674066,
                    2352998.4342727866,
                    -0.60640120287421
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T11:26:07+00:00",
            "end_time": "2013-09-15T10:49:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2376.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81270561137654,
              21.48234616662034,
              -9.823698535809974
            ],
            [
              -157.8126323502775,
              21.491379522375066,
              -9.823698535809974
            ],
            [
              -157.80298033850374,
              21.491310652434617,
              -0.623698535809973
            ],
            [
              -157.8030541961122,
              21.482277328287726,
              -0.623698535809973
            ],
            [
              -157.81270561137654,
              21.48234616662034,
              -9.823698535809974
            ]
          ]
        ]
      },
      "bbox": [
        -157.8127056,
        21.48227733,
        -9.823698536,
        -157.8029803,
        21.49137952,
        -0.6236985358
      ],
      "properties": {
        "datetime": "2013-09-19T20:11:05Z",
        "pc:count": 3989832,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623476.7493,
            "count": 3989832,
            "maximum": 623999.8258,
            "minimum": 622999.8058,
            "name": "X",
            "position": 0,
            "stddev": 274.270425,
            "variance": 75224.26604
          },
          {
            "average": 2376498.227,
            "count": 3989832,
            "maximum": 2376998.493,
            "minimum": 2375998.473,
            "name": "Y",
            "position": 1,
            "stddev": 290.1565663,
            "variance": 84190.83298
          },
          {
            "average": -4.182316049,
            "count": 3989832,
            "maximum": -0.6236985358,
            "minimum": -9.823698536,
            "name": "Z",
            "position": 2,
            "stddev": 1.831083709,
            "variance": 3.352867548
          },
          {
            "average": 6.014884336,
            "count": 3989832,
            "maximum": 7299,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.58553432,
            "variance": 242.9088801
          },
          {
            "average": 1.033442761,
            "count": 3989832,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1812379112,
            "variance": 0.03284718047
          },
          {
            "average": 1.059119782,
            "count": 3989832,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2380794728,
            "variance": 0.05668183538
          },
          {
            "average": 1,
            "count": 3989832,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3989832,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3989832,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.06625411,
            "count": 3989832,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.641936865,
            "variance": 6.979830398
          },
          {
            "average": 93.93770665,
            "count": 3989832,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 68.58583772,
            "variance": 4704.017136
          },
          {
            "average": 5.822263444,
            "count": 3989832,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.140653959,
            "variance": 4.582399374
          },
          {
            "average": 63605753.04,
            "count": 3989832,
            "maximum": 63656665.42,
            "minimum": 63591959.62,
            "name": "GpsTime",
            "position": 12,
            "stddev": 23986.34984,
            "variance": 575344978.9
          },
          {
            "average": 0,
            "count": 3989832,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3989832,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3989832,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3989832,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3989832,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8058,
          2375998.473,
          -9.823698536,
          623999.8258,
          2376998.493,
          -0.6236985358
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8058436799,
                2375998.473438654,
                -9.823698535809974
              ],
              [
                622999.8058436799,
                2376998.4934386536,
                -9.823698535809974
              ],
              [
                623999.82584368,
                2376998.4934386536,
                -0.623698535809973
              ],
              [
                623999.82584368,
                2375998.473438654,
                -0.623698535809973
              ],
              [
                622999.8058436799,
                2375998.473438654,
                -9.823698535809974
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:11:05+00:00",
        "end_time": "2013-09-19T02:12:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2376.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2376.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2376.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2376.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8127056,
            21.48227733,
            -9.823698536,
            -157.8029803,
            21.49137952,
            -0.6236985358
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81270561137654,
                  21.48234616662034,
                  -9.823698535809974
                ],
                [
                  -157.8126323502775,
                  21.491379522375066,
                  -9.823698535809974
                ],
                [
                  -157.80298033850374,
                  21.491310652434617,
                  -0.623698535809973
                ],
                [
                  -157.8030541961122,
                  21.482277328287726,
                  -0.623698535809973
                ],
                [
                  -157.81270561137654,
                  21.48234616662034,
                  -9.823698535809974
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2376.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2376.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:11:05Z",
            "pc:count": 3989832,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623476.7493,
                "count": 3989832,
                "maximum": 623999.8258,
                "minimum": 622999.8058,
                "name": "X",
                "position": 0,
                "stddev": 274.270425,
                "variance": 75224.26604
              },
              {
                "average": 2376498.227,
                "count": 3989832,
                "maximum": 2376998.493,
                "minimum": 2375998.473,
                "name": "Y",
                "position": 1,
                "stddev": 290.1565663,
                "variance": 84190.83298
              },
              {
                "average": -4.182316049,
                "count": 3989832,
                "maximum": -0.6236985358,
                "minimum": -9.823698536,
                "name": "Z",
                "position": 2,
                "stddev": 1.831083709,
                "variance": 3.352867548
              },
              {
                "average": 6.014884336,
                "count": 3989832,
                "maximum": 7299,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.58553432,
                "variance": 242.9088801
              },
              {
                "average": 1.033442761,
                "count": 3989832,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1812379112,
                "variance": 0.03284718047
              },
              {
                "average": 1.059119782,
                "count": 3989832,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2380794728,
                "variance": 0.05668183538
              },
              {
                "average": 1,
                "count": 3989832,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3989832,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3989832,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.06625411,
                "count": 3989832,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.641936865,
                "variance": 6.979830398
              },
              {
                "average": 93.93770665,
                "count": 3989832,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 68.58583772,
                "variance": 4704.017136
              },
              {
                "average": 5.822263444,
                "count": 3989832,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.140653959,
                "variance": 4.582399374
              },
              {
                "average": 63605753.04,
                "count": 3989832,
                "maximum": 63656665.42,
                "minimum": 63591959.62,
                "name": "GpsTime",
                "position": 12,
                "stddev": 23986.34984,
                "variance": 575344978.9
              },
              {
                "average": 0,
                "count": 3989832,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3989832,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3989832,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3989832,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3989832,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8058,
              2375998.473,
              -9.823698536,
              623999.8258,
              2376998.493,
              -0.6236985358
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8058436799,
                    2375998.473438654,
                    -9.823698535809974
                  ],
                  [
                    622999.8058436799,
                    2376998.4934386536,
                    -9.823698535809974
                  ],
                  [
                    623999.82584368,
                    2376998.4934386536,
                    -0.623698535809973
                  ],
                  [
                    623999.82584368,
                    2375998.473438654,
                    -0.623698535809973
                  ],
                  [
                    622999.8058436799,
                    2375998.473438654,
                    -9.823698535809974
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:11:05+00:00",
            "end_time": "2013-09-19T02:12:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2766.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77485535086444,
              21.391736382903172,
              2.428203821242008
            ],
            [
              -157.77478012011693,
              21.40076952708473,
              2.428203821242008
            ],
            [
              -157.76513426781486,
              21.40069875080265,
              177.18820382124198
            ],
            [
              -157.76521008585172,
              21.39166563988942,
              177.18820382124198
            ],
            [
              -157.77485535086444,
              21.391736382903172,
              2.428203821242008
            ]
          ]
        ]
      },
      "bbox": [
        -157.7748554,
        21.39166564,
        2.428203821,
        -157.7651343,
        21.40076953,
        177.1882038
      ],
      "properties": {
        "datetime": "2013-09-21T00:52:32Z",
        "pc:count": 8028821,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627514.1618,
            "count": 8028821,
            "maximum": 627999.8402,
            "minimum": 626999.8202,
            "name": "X",
            "position": 0,
            "stddev": 292.7250612,
            "variance": 85687.96147
          },
          {
            "average": 2366499.74,
            "count": 8028821,
            "maximum": 2366998.467,
            "minimum": 2365998.467,
            "name": "Y",
            "position": 1,
            "stddev": 281.9291424,
            "variance": 79484.04136
          },
          {
            "average": 50.69966584,
            "count": 8028821,
            "maximum": 177.1882038,
            "minimum": 2.428203821,
            "name": "Z",
            "position": 2,
            "stddev": 27.90903622,
            "variance": 778.9143028
          },
          {
            "average": 11.72862018,
            "count": 8028821,
            "maximum": 962,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.61206165,
            "variance": 557.5294553
          },
          {
            "average": 1.791613364,
            "count": 8028821,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.039151976,
            "variance": 1.079836829
          },
          {
            "average": 2.583094953,
            "count": 8028821,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.438905043,
            "variance": 2.070447722
          },
          {
            "average": 1,
            "count": 8028821,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8028821,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.114562649,
            "count": 8028821,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3184934236,
            "variance": 0.1014380609
          },
          {
            "average": 20.04515553,
            "count": 8028821,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.17235789,
            "variance": 4.719138802
          },
          {
            "average": 91.24420671,
            "count": 8028821,
            "maximum": 212,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.85656856,
            "variance": 4469.80076
          },
          {
            "average": 3.347022184,
            "count": 8028821,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.706056519,
            "variance": 2.910628844
          },
          {
            "average": 63758379.68,
            "count": 8028821,
            "maximum": 63759952.64,
            "minimum": 63744870.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2541.045883,
            "variance": 6456914.182
          },
          {
            "average": 0,
            "count": 8028821,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8028821,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8028821,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8028821,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8028821,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.8202,
          2365998.467,
          2.428203821,
          627999.8402,
          2366998.467,
          177.1882038
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.8202144925,
                2365998.466826127,
                2.428203821242008
              ],
              [
                626999.8202144925,
                2366998.466826127,
                2.428203821242008
              ],
              [
                627999.8402144925,
                2366998.466826127,
                177.18820382124198
              ],
              [
                627999.8402144925,
                2365998.466826127,
                177.18820382124198
              ],
              [
                626999.8202144925,
                2365998.466826127,
                2.428203821242008
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:52:32+00:00",
        "end_time": "2013-09-20T20:41:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2766.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2766.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2766.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2766.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7748554,
            21.39166564,
            2.428203821,
            -157.7651343,
            21.40076953,
            177.1882038
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77485535086444,
                  21.391736382903172,
                  2.428203821242008
                ],
                [
                  -157.77478012011693,
                  21.40076952708473,
                  2.428203821242008
                ],
                [
                  -157.76513426781486,
                  21.40069875080265,
                  177.18820382124198
                ],
                [
                  -157.76521008585172,
                  21.39166563988942,
                  177.18820382124198
                ],
                [
                  -157.77485535086444,
                  21.391736382903172,
                  2.428203821242008
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2766.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2766.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:52:32Z",
            "pc:count": 8028821,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627514.1618,
                "count": 8028821,
                "maximum": 627999.8402,
                "minimum": 626999.8202,
                "name": "X",
                "position": 0,
                "stddev": 292.7250612,
                "variance": 85687.96147
              },
              {
                "average": 2366499.74,
                "count": 8028821,
                "maximum": 2366998.467,
                "minimum": 2365998.467,
                "name": "Y",
                "position": 1,
                "stddev": 281.9291424,
                "variance": 79484.04136
              },
              {
                "average": 50.69966584,
                "count": 8028821,
                "maximum": 177.1882038,
                "minimum": 2.428203821,
                "name": "Z",
                "position": 2,
                "stddev": 27.90903622,
                "variance": 778.9143028
              },
              {
                "average": 11.72862018,
                "count": 8028821,
                "maximum": 962,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.61206165,
                "variance": 557.5294553
              },
              {
                "average": 1.791613364,
                "count": 8028821,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.039151976,
                "variance": 1.079836829
              },
              {
                "average": 2.583094953,
                "count": 8028821,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.438905043,
                "variance": 2.070447722
              },
              {
                "average": 1,
                "count": 8028821,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8028821,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.114562649,
                "count": 8028821,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3184934236,
                "variance": 0.1014380609
              },
              {
                "average": 20.04515553,
                "count": 8028821,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.17235789,
                "variance": 4.719138802
              },
              {
                "average": 91.24420671,
                "count": 8028821,
                "maximum": 212,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.85656856,
                "variance": 4469.80076
              },
              {
                "average": 3.347022184,
                "count": 8028821,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.706056519,
                "variance": 2.910628844
              },
              {
                "average": 63758379.68,
                "count": 8028821,
                "maximum": 63759952.64,
                "minimum": 63744870.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2541.045883,
                "variance": 6456914.182
              },
              {
                "average": 0,
                "count": 8028821,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8028821,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8028821,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8028821,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8028821,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.8202,
              2365998.467,
              2.428203821,
              627999.8402,
              2366998.467,
              177.1882038
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.8202144925,
                    2365998.466826127,
                    2.428203821242008
                  ],
                  [
                    626999.8202144925,
                    2366998.466826127,
                    2.428203821242008
                  ],
                  [
                    627999.8402144925,
                    2366998.466826127,
                    177.18820382124198
                  ],
                  [
                    627999.8402144925,
                    2365998.466826127,
                    177.18820382124198
                  ],
                  [
                    626999.8202144925,
                    2365998.466826127,
                    2.428203821242008
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:52:32+00:00",
            "end_time": "2013-09-20T20:41:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2153.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8336557446363,
              21.27471448202941,
              -2.172448751239116
            ],
            [
              -157.83358451768336,
              21.283748150109858,
              -2.172448751239116
            ],
            [
              -157.8239462407539,
              21.283681105990244,
              123.60755124876088
            ],
            [
              -157.82401805054133,
              21.27464747780728,
              123.60755124876088
            ],
            [
              -157.8336557446363,
              21.27471448202941,
              -2.172448751239116
            ]
          ]
        ]
      },
      "bbox": [
        -157.8336557,
        21.27464748,
        -2.172448751,
        -157.8239462,
        21.28374815,
        123.6075512
      ],
      "properties": {
        "datetime": "2013-09-15T11:39:09Z",
        "pc:count": 6444777,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621494.461,
            "count": 6444777,
            "maximum": 621999.7851,
            "minimum": 620999.7851,
            "name": "X",
            "position": 0,
            "stddev": 284.9987657,
            "variance": 81224.29645
          },
          {
            "average": 2353530.226,
            "count": 6444777,
            "maximum": 2353998.445,
            "minimum": 2352998.425,
            "name": "Y",
            "position": 1,
            "stddev": 275.3208239,
            "variance": 75801.55609
          },
          {
            "average": 13.25034203,
            "count": 6444777,
            "maximum": 123.6075512,
            "minimum": -2.172448751,
            "name": "Z",
            "position": 2,
            "stddev": 18.40702538,
            "variance": 338.8185835
          },
          {
            "average": 20.32530435,
            "count": 6444777,
            "maximum": 1784,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 46.18804982,
            "variance": 2133.335946
          },
          {
            "average": 1.547266725,
            "count": 6444777,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8921646682,
            "variance": 0.7959577951
          },
          {
            "average": 2.092737732,
            "count": 6444777,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.304459037,
            "variance": 1.701613379
          },
          {
            "average": 1,
            "count": 6444777,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6444777,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.071550342,
            "count": 6444777,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.552494832,
            "variance": 73.14516785
          },
          {
            "average": 20.16822395,
            "count": 6444777,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.737149525,
            "variance": 7.491987523
          },
          {
            "average": 90.76136133,
            "count": 6444777,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.90843595,
            "variance": 4476.738801
          },
          {
            "average": 6.55399124,
            "count": 6444777,
            "maximum": 10,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.44680565,
            "variance": 2.093246589
          },
          {
            "average": 63279089.86,
            "count": 6444777,
            "maximum": 63280349.05,
            "minimum": 63277976.57,
            "name": "GpsTime",
            "position": 12,
            "stddev": 493.8215931,
            "variance": 243859.7658
          },
          {
            "average": 0,
            "count": 6444777,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6444777,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6444777,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6444777,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6444777,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.7851,
          2352998.425,
          -2.172448751,
          621999.7851,
          2353998.445,
          123.6075512
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.785083925,
                2352998.42491033,
                -2.172448751239116
              ],
              [
                620999.785083925,
                2353998.4449103298,
                -2.172448751239116
              ],
              [
                621999.785083925,
                2353998.4449103298,
                123.60755124876088
              ],
              [
                621999.785083925,
                2352998.42491033,
                123.60755124876088
              ],
              [
                620999.785083925,
                2352998.42491033,
                -2.172448751239116
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T11:39:09+00:00",
        "end_time": "2013-09-15T10:59:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2153.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2153.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2153.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2153.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8336557,
            21.27464748,
            -2.172448751,
            -157.8239462,
            21.28374815,
            123.6075512
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8336557446363,
                  21.27471448202941,
                  -2.172448751239116
                ],
                [
                  -157.83358451768336,
                  21.283748150109858,
                  -2.172448751239116
                ],
                [
                  -157.8239462407539,
                  21.283681105990244,
                  123.60755124876088
                ],
                [
                  -157.82401805054133,
                  21.27464747780728,
                  123.60755124876088
                ],
                [
                  -157.8336557446363,
                  21.27471448202941,
                  -2.172448751239116
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2153.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2153.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T11:39:09Z",
            "pc:count": 6444777,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621494.461,
                "count": 6444777,
                "maximum": 621999.7851,
                "minimum": 620999.7851,
                "name": "X",
                "position": 0,
                "stddev": 284.9987657,
                "variance": 81224.29645
              },
              {
                "average": 2353530.226,
                "count": 6444777,
                "maximum": 2353998.445,
                "minimum": 2352998.425,
                "name": "Y",
                "position": 1,
                "stddev": 275.3208239,
                "variance": 75801.55609
              },
              {
                "average": 13.25034203,
                "count": 6444777,
                "maximum": 123.6075512,
                "minimum": -2.172448751,
                "name": "Z",
                "position": 2,
                "stddev": 18.40702538,
                "variance": 338.8185835
              },
              {
                "average": 20.32530435,
                "count": 6444777,
                "maximum": 1784,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 46.18804982,
                "variance": 2133.335946
              },
              {
                "average": 1.547266725,
                "count": 6444777,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8921646682,
                "variance": 0.7959577951
              },
              {
                "average": 2.092737732,
                "count": 6444777,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.304459037,
                "variance": 1.701613379
              },
              {
                "average": 1,
                "count": 6444777,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6444777,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.071550342,
                "count": 6444777,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.552494832,
                "variance": 73.14516785
              },
              {
                "average": 20.16822395,
                "count": 6444777,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.737149525,
                "variance": 7.491987523
              },
              {
                "average": 90.76136133,
                "count": 6444777,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.90843595,
                "variance": 4476.738801
              },
              {
                "average": 6.55399124,
                "count": 6444777,
                "maximum": 10,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.44680565,
                "variance": 2.093246589
              },
              {
                "average": 63279089.86,
                "count": 6444777,
                "maximum": 63280349.05,
                "minimum": 63277976.57,
                "name": "GpsTime",
                "position": 12,
                "stddev": 493.8215931,
                "variance": 243859.7658
              },
              {
                "average": 0,
                "count": 6444777,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6444777,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6444777,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6444777,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6444777,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.7851,
              2352998.425,
              -2.172448751,
              621999.7851,
              2353998.445,
              123.6075512
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.785083925,
                    2352998.42491033,
                    -2.172448751239116
                  ],
                  [
                    620999.785083925,
                    2353998.4449103298,
                    -2.172448751239116
                  ],
                  [
                    621999.785083925,
                    2353998.4449103298,
                    123.60755124876088
                  ],
                  [
                    621999.785083925,
                    2352998.42491033,
                    123.60755124876088
                  ],
                  [
                    620999.785083925,
                    2352998.42491033,
                    -2.172448751239116
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T11:39:09+00:00",
            "end_time": "2013-09-15T10:59:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2870.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.76490651834922,
              21.427797989957885,
              -7.738703107820241
            ],
            [
              -157.76483048898925,
              21.43683124261262,
              -7.738703107820241
            ],
            [
              -157.75518227220124,
              21.43675977881532,
              30.621296892179757
            ],
            [
              -157.75525889750213,
              21.427726559430816,
              30.621296892179757
            ],
            [
              -157.76490651834922,
              21.427797989957885,
              -7.738703107820241
            ]
          ]
        ]
      },
      "bbox": [
        -157.7649065,
        21.42772656,
        -7.738703108,
        -157.7551823,
        21.43683124,
        30.62129689
      ],
      "properties": {
        "datetime": "2013-09-20T02:18:56Z",
        "pc:count": 3668321,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628571.7539,
            "count": 3668321,
            "maximum": 628999.8494,
            "minimum": 627999.8294,
            "name": "X",
            "position": 0,
            "stddev": 269.3482173,
            "variance": 72548.46217
          },
          {
            "average": 2370400.514,
            "count": 3668321,
            "maximum": 2370998.484,
            "minimum": 2369998.464,
            "name": "Y",
            "position": 1,
            "stddev": 287.6041618,
            "variance": 82716.15391
          },
          {
            "average": 3.733068888,
            "count": 3668321,
            "maximum": 30.62129689,
            "minimum": -7.738703108,
            "name": "Z",
            "position": 2,
            "stddev": 5.18355851,
            "variance": 26.86927883
          },
          {
            "average": 10.36469246,
            "count": 3668321,
            "maximum": 3575,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.89764302,
            "variance": 479.5067699
          },
          {
            "average": 1.373094666,
            "count": 3668321,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7941783549,
            "variance": 0.6307192594
          },
          {
            "average": 1.749954816,
            "count": 3668321,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.217784034,
            "variance": 1.482997954
          },
          {
            "average": 1,
            "count": 3668321,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3668321,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.62043071,
            "count": 3668321,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.44395452,
            "variance": 180.7399132
          },
          {
            "average": 20.05051337,
            "count": 3668321,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.153289178,
            "variance": 4.636654286
          },
          {
            "average": 92.43617502,
            "count": 3668321,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.54075287,
            "variance": 4427.671792
          },
          {
            "average": 6.859012338,
            "count": 3668321,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.535411389,
            "variance": 2.357488134
          },
          {
            "average": 63655577.81,
            "count": 3668321,
            "maximum": 63678736.47,
            "minimum": 63595200.57,
            "name": "GpsTime",
            "position": 12,
            "stddev": 9633.508013,
            "variance": 92804476.63
          },
          {
            "average": 0,
            "count": 3668321,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3668321,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3668321,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3668321,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3668321,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.8294,
          2369998.464,
          -7.738703108,
          628999.8494,
          2370998.484,
          30.62129689
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8293543705,
                2369998.463567757,
                -7.738703107820241
              ],
              [
                627999.8293543705,
                2370998.4835677566,
                -7.738703107820241
              ],
              [
                628999.8493543705,
                2370998.4835677566,
                30.621296892179757
              ],
              [
                628999.8493543705,
                2369998.463567757,
                30.621296892179757
              ],
              [
                627999.8293543705,
                2369998.463567757,
                -7.738703107820241
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:18:56+00:00",
        "end_time": "2013-09-19T03:06:40+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2870.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2870.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2870.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2870.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7649065,
            21.42772656,
            -7.738703108,
            -157.7551823,
            21.43683124,
            30.62129689
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.76490651834922,
                  21.427797989957885,
                  -7.738703107820241
                ],
                [
                  -157.76483048898925,
                  21.43683124261262,
                  -7.738703107820241
                ],
                [
                  -157.75518227220124,
                  21.43675977881532,
                  30.621296892179757
                ],
                [
                  -157.75525889750213,
                  21.427726559430816,
                  30.621296892179757
                ],
                [
                  -157.76490651834922,
                  21.427797989957885,
                  -7.738703107820241
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2870.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2870.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:18:56Z",
            "pc:count": 3668321,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628571.7539,
                "count": 3668321,
                "maximum": 628999.8494,
                "minimum": 627999.8294,
                "name": "X",
                "position": 0,
                "stddev": 269.3482173,
                "variance": 72548.46217
              },
              {
                "average": 2370400.514,
                "count": 3668321,
                "maximum": 2370998.484,
                "minimum": 2369998.464,
                "name": "Y",
                "position": 1,
                "stddev": 287.6041618,
                "variance": 82716.15391
              },
              {
                "average": 3.733068888,
                "count": 3668321,
                "maximum": 30.62129689,
                "minimum": -7.738703108,
                "name": "Z",
                "position": 2,
                "stddev": 5.18355851,
                "variance": 26.86927883
              },
              {
                "average": 10.36469246,
                "count": 3668321,
                "maximum": 3575,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.89764302,
                "variance": 479.5067699
              },
              {
                "average": 1.373094666,
                "count": 3668321,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7941783549,
                "variance": 0.6307192594
              },
              {
                "average": 1.749954816,
                "count": 3668321,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.217784034,
                "variance": 1.482997954
              },
              {
                "average": 1,
                "count": 3668321,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3668321,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.62043071,
                "count": 3668321,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.44395452,
                "variance": 180.7399132
              },
              {
                "average": 20.05051337,
                "count": 3668321,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.153289178,
                "variance": 4.636654286
              },
              {
                "average": 92.43617502,
                "count": 3668321,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.54075287,
                "variance": 4427.671792
              },
              {
                "average": 6.859012338,
                "count": 3668321,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.535411389,
                "variance": 2.357488134
              },
              {
                "average": 63655577.81,
                "count": 3668321,
                "maximum": 63678736.47,
                "minimum": 63595200.57,
                "name": "GpsTime",
                "position": 12,
                "stddev": 9633.508013,
                "variance": 92804476.63
              },
              {
                "average": 0,
                "count": 3668321,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3668321,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3668321,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3668321,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3668321,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.8294,
              2369998.464,
              -7.738703108,
              628999.8494,
              2370998.484,
              30.62129689
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8293543705,
                    2369998.463567757,
                    -7.738703107820241
                  ],
                  [
                    627999.8293543705,
                    2370998.4835677566,
                    -7.738703107820241
                  ],
                  [
                    628999.8493543705,
                    2370998.4835677566,
                    30.621296892179757
                  ],
                  [
                    628999.8493543705,
                    2369998.463567757,
                    30.621296892179757
                  ],
                  [
                    627999.8293543705,
                    2369998.463567757,
                    -7.738703107820241
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:18:56+00:00",
            "end_time": "2013-09-19T03:06:40+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2054.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.84322287217847,
              21.283814487330435,
              -5.522747598995338
            ],
            [
              -157.84315220381845,
              21.29284816335684,
              -5.522747598995338
            ],
            [
              -157.83351329273046,
              21.29278164736044,
              154.15725240100465
            ],
            [
              -157.83358454976195,
              21.283748002501607,
              154.15725240100465
            ],
            [
              -157.84322287217847,
              21.283814487330435,
              -5.522747598995338
            ]
          ]
        ]
      },
      "bbox": [
        -157.8432229,
        21.283748,
        -5.522747599,
        -157.8335133,
        21.29284816,
        154.1572524
      ],
      "properties": {
        "datetime": "2013-09-15T11:32:40Z",
        "pc:count": 6364473,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 620524.0526,
            "count": 6364473,
            "maximum": 620999.7819,
            "minimum": 619999.7819,
            "name": "X",
            "position": 0,
            "stddev": 278.9146015,
            "variance": 77793.35493
          },
          {
            "average": 2354509.338,
            "count": 6364473,
            "maximum": 2354998.449,
            "minimum": 2353998.429,
            "name": "Y",
            "position": 1,
            "stddev": 292.185795,
            "variance": 85372.53878
          },
          {
            "average": 14.32341822,
            "count": 6364473,
            "maximum": 154.1572524,
            "minimum": -5.522747599,
            "name": "Z",
            "position": 2,
            "stddev": 20.5231096,
            "variance": 421.1980275
          },
          {
            "average": 23.69173614,
            "count": 6364473,
            "maximum": 1002,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.04527452,
            "variance": 2308.348404
          },
          {
            "average": 1.486366742,
            "count": 6364473,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8293842076,
            "variance": 0.6878781638
          },
          {
            "average": 1.974804827,
            "count": 6364473,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.214553586,
            "variance": 1.475140413
          },
          {
            "average": 1,
            "count": 6364473,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6364473,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.473242954,
            "count": 6364473,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.059924202,
            "variance": 9.363136121
          },
          {
            "average": 20.10475014,
            "count": 6364473,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.250200079,
            "variance": 10.56380055
          },
          {
            "average": 92.35984818,
            "count": 6364473,
            "maximum": 255,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.96621384,
            "variance": 4484.473796
          },
          {
            "average": 4.720836745,
            "count": 6364473,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.549414083,
            "variance": 2.400684001
          },
          {
            "average": 63278494.24,
            "count": 6364473,
            "maximum": 63279960.34,
            "minimum": 63277370.26,
            "name": "GpsTime",
            "position": 12,
            "stddev": 483.2713634,
            "variance": 233551.2107
          },
          {
            "average": 0,
            "count": 6364473,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6364473,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6364473,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6364473,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6364473,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          619999.7819,
          2353998.429,
          -5.522747599,
          620999.7819,
          2354998.449,
          154.1572524
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                619999.7818766299,
                2353998.428546477,
                -5.522747598995338
              ],
              [
                619999.7818766299,
                2354998.4485464767,
                -5.522747598995338
              ],
              [
                620999.7818766299,
                2354998.4485464767,
                154.15725240100465
              ],
              [
                620999.7818766299,
                2353998.428546477,
                154.15725240100465
              ],
              [
                619999.7818766299,
                2353998.428546477,
                -5.522747598995338
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T11:32:40+00:00",
        "end_time": "2013-09-15T10:49:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2054.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2054.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2054.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2054.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8432229,
            21.283748,
            -5.522747599,
            -157.8335133,
            21.29284816,
            154.1572524
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.84322287217847,
                  21.283814487330435,
                  -5.522747598995338
                ],
                [
                  -157.84315220381845,
                  21.29284816335684,
                  -5.522747598995338
                ],
                [
                  -157.83351329273046,
                  21.29278164736044,
                  154.15725240100465
                ],
                [
                  -157.83358454976195,
                  21.283748002501607,
                  154.15725240100465
                ],
                [
                  -157.84322287217847,
                  21.283814487330435,
                  -5.522747598995338
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2054.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2054.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T11:32:40Z",
            "pc:count": 6364473,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 620524.0526,
                "count": 6364473,
                "maximum": 620999.7819,
                "minimum": 619999.7819,
                "name": "X",
                "position": 0,
                "stddev": 278.9146015,
                "variance": 77793.35493
              },
              {
                "average": 2354509.338,
                "count": 6364473,
                "maximum": 2354998.449,
                "minimum": 2353998.429,
                "name": "Y",
                "position": 1,
                "stddev": 292.185795,
                "variance": 85372.53878
              },
              {
                "average": 14.32341822,
                "count": 6364473,
                "maximum": 154.1572524,
                "minimum": -5.522747599,
                "name": "Z",
                "position": 2,
                "stddev": 20.5231096,
                "variance": 421.1980275
              },
              {
                "average": 23.69173614,
                "count": 6364473,
                "maximum": 1002,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.04527452,
                "variance": 2308.348404
              },
              {
                "average": 1.486366742,
                "count": 6364473,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8293842076,
                "variance": 0.6878781638
              },
              {
                "average": 1.974804827,
                "count": 6364473,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.214553586,
                "variance": 1.475140413
              },
              {
                "average": 1,
                "count": 6364473,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6364473,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.473242954,
                "count": 6364473,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.059924202,
                "variance": 9.363136121
              },
              {
                "average": 20.10475014,
                "count": 6364473,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.250200079,
                "variance": 10.56380055
              },
              {
                "average": 92.35984818,
                "count": 6364473,
                "maximum": 255,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.96621384,
                "variance": 4484.473796
              },
              {
                "average": 4.720836745,
                "count": 6364473,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.549414083,
                "variance": 2.400684001
              },
              {
                "average": 63278494.24,
                "count": 6364473,
                "maximum": 63279960.34,
                "minimum": 63277370.26,
                "name": "GpsTime",
                "position": 12,
                "stddev": 483.2713634,
                "variance": 233551.2107
              },
              {
                "average": 0,
                "count": 6364473,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6364473,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6364473,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6364473,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6364473,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              619999.7819,
              2353998.429,
              -5.522747599,
              620999.7819,
              2354998.449,
              154.1572524
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    619999.7818766299,
                    2353998.428546477,
                    -5.522747598995338
                  ],
                  [
                    619999.7818766299,
                    2354998.4485464767,
                    -5.522747598995338
                  ],
                  [
                    620999.7818766299,
                    2354998.4485464767,
                    154.15725240100465
                  ],
                  [
                    620999.7818766299,
                    2353998.428546477,
                    154.15725240100465
                  ],
                  [
                    619999.7818766299,
                    2353998.428546477,
                    -5.522747598995338
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T11:32:40+00:00",
            "end_time": "2013-09-15T10:49:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2377.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81263218222864,
              21.49137945937746,
              -10.366491898773168
            ],
            [
              -157.81255888341838,
              21.500412624676898,
              -10.366491898773168
            ],
            [
              -157.80290646809786,
              21.500343724463125,
              -2.026491898773168
            ],
            [
              -157.80298036349566,
              21.49131059081043,
              -2.026491898773168
            ],
            [
              -157.81263218222864,
              21.49137945937746,
              -10.366491898773168
            ]
          ]
        ]
      },
      "bbox": [
        -157.8126322,
        21.49131059,
        -10.3664919,
        -157.8029065,
        21.50041262,
        -2.026491899
      ],
      "properties": {
        "datetime": "2013-09-24T20:36:58Z",
        "pc:count": 3216830,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623503.2962,
            "count": 3216830,
            "maximum": 623999.8233,
            "minimum": 622999.8233,
            "name": "X",
            "position": 0,
            "stddev": 287.541484,
            "variance": 82680.10501
          },
          {
            "average": 2377438.665,
            "count": 3216830,
            "maximum": 2377998.487,
            "minimum": 2376998.487,
            "name": "Y",
            "position": 1,
            "stddev": 290.721133,
            "variance": 84518.77715
          },
          {
            "average": -5.809040579,
            "count": 3216830,
            "maximum": -2.026491899,
            "minimum": -10.3664919,
            "name": "Z",
            "position": 2,
            "stddev": 1.471553989,
            "variance": 2.165471141
          },
          {
            "average": 5.84240852,
            "count": 3216830,
            "maximum": 627,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.23616267,
            "variance": 232.140653
          },
          {
            "average": 1.043186615,
            "count": 3216830,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2058120273,
            "variance": 0.0423585906
          },
          {
            "average": 1.05136392,
            "count": 3216830,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2238796316,
            "variance": 0.05012208942
          },
          {
            "average": 1,
            "count": 3216830,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3216830,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3216830,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.60382644,
            "count": 3216830,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.57538336,
            "variance": 12.78336617
          },
          {
            "average": 110.6823307,
            "count": 3216830,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 74.61289508,
            "variance": 5567.084112
          },
          {
            "average": 6.436061278,
            "count": 3216830,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.889135409,
            "variance": 23.90364504
          },
          {
            "average": 63762496.94,
            "count": 3216830,
            "maximum": 64090218.83,
            "minimum": 63591967.45,
            "name": "GpsTime",
            "position": 12,
            "stddev": 232529.0067,
            "variance": 54069738940.0
          },
          {
            "average": 0,
            "count": 3216830,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3216830,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3216830,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3216830,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3216830,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8233,
          2376998.487,
          -10.3664919,
          623999.8233,
          2377998.487,
          -2.026491899
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8233066923,
                2376998.4865972204,
                -10.366491898773168
              ],
              [
                622999.8233066923,
                2377998.4865972204,
                -10.366491898773168
              ],
              [
                623999.8233066923,
                2377998.4865972204,
                -2.026491898773168
              ],
              [
                623999.8233066923,
                2376998.4865972204,
                -2.026491898773168
              ],
              [
                622999.8233066923,
                2376998.4865972204,
                -10.366491898773168
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:36:58+00:00",
        "end_time": "2013-09-19T02:12:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2377.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2377.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2377.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2377.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8126322,
            21.49131059,
            -10.3664919,
            -157.8029065,
            21.50041262,
            -2.026491899
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81263218222864,
                  21.49137945937746,
                  -10.366491898773168
                ],
                [
                  -157.81255888341838,
                  21.500412624676898,
                  -10.366491898773168
                ],
                [
                  -157.80290646809786,
                  21.500343724463125,
                  -2.026491898773168
                ],
                [
                  -157.80298036349566,
                  21.49131059081043,
                  -2.026491898773168
                ],
                [
                  -157.81263218222864,
                  21.49137945937746,
                  -10.366491898773168
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2377.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2377.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:36:58Z",
            "pc:count": 3216830,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623503.2962,
                "count": 3216830,
                "maximum": 623999.8233,
                "minimum": 622999.8233,
                "name": "X",
                "position": 0,
                "stddev": 287.541484,
                "variance": 82680.10501
              },
              {
                "average": 2377438.665,
                "count": 3216830,
                "maximum": 2377998.487,
                "minimum": 2376998.487,
                "name": "Y",
                "position": 1,
                "stddev": 290.721133,
                "variance": 84518.77715
              },
              {
                "average": -5.809040579,
                "count": 3216830,
                "maximum": -2.026491899,
                "minimum": -10.3664919,
                "name": "Z",
                "position": 2,
                "stddev": 1.471553989,
                "variance": 2.165471141
              },
              {
                "average": 5.84240852,
                "count": 3216830,
                "maximum": 627,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.23616267,
                "variance": 232.140653
              },
              {
                "average": 1.043186615,
                "count": 3216830,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2058120273,
                "variance": 0.0423585906
              },
              {
                "average": 1.05136392,
                "count": 3216830,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2238796316,
                "variance": 0.05012208942
              },
              {
                "average": 1,
                "count": 3216830,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3216830,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3216830,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.60382644,
                "count": 3216830,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.57538336,
                "variance": 12.78336617
              },
              {
                "average": 110.6823307,
                "count": 3216830,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 74.61289508,
                "variance": 5567.084112
              },
              {
                "average": 6.436061278,
                "count": 3216830,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.889135409,
                "variance": 23.90364504
              },
              {
                "average": 63762496.94,
                "count": 3216830,
                "maximum": 64090218.83,
                "minimum": 63591967.45,
                "name": "GpsTime",
                "position": 12,
                "stddev": 232529.0067,
                "variance": 54069738940.0
              },
              {
                "average": 0,
                "count": 3216830,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3216830,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3216830,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3216830,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3216830,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8233,
              2376998.487,
              -10.3664919,
              623999.8233,
              2377998.487,
              -2.026491899
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8233066923,
                    2376998.4865972204,
                    -10.366491898773168
                  ],
                  [
                    622999.8233066923,
                    2377998.4865972204,
                    -10.366491898773168
                  ],
                  [
                    623999.8233066923,
                    2377998.4865972204,
                    -2.026491898773168
                  ],
                  [
                    623999.8233066923,
                    2376998.4865972204,
                    -2.026491898773168
                  ],
                  [
                    622999.8233066923,
                    2376998.4865972204,
                    -10.366491898773168
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:36:58+00:00",
            "end_time": "2013-09-19T02:12:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2254.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8239462909811,
              21.28368096250991,
              0.493241770449266
            ],
            [
              -157.823897226125,
              21.28985079721714,
              0.493241770449266
            ],
            [
              -157.8142583873213,
              21.289783183707243,
              115.29324177044927
            ],
            [
              -157.8143078539726,
              21.283613370871716,
              115.29324177044927
            ],
            [
              -157.8239462909811,
              21.28368096250991,
              0.493241770449266
            ]
          ]
        ]
      },
      "bbox": [
        -157.8239463,
        21.28361337,
        0.4932417704,
        -157.8142584,
        21.2898508,
        115.2932418
      ],
      "properties": {
        "datetime": "2013-09-15T10:59:45Z",
        "pc:count": 2000721,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622329.5975,
            "count": 2000721,
            "maximum": 622999.8,
            "minimum": 621999.78,
            "name": "X",
            "position": 0,
            "stddev": 251.5622939,
            "variance": 63283.5877
          },
          {
            "average": 2354193.751,
            "count": 2000721,
            "maximum": 2354681.429,
            "minimum": 2353998.429,
            "name": "Y",
            "position": 1,
            "stddev": 146.0357418,
            "variance": 21326.43789
          },
          {
            "average": 8.192823591,
            "count": 2000721,
            "maximum": 115.2932418,
            "minimum": 0.4932417704,
            "name": "Z",
            "position": 2,
            "stddev": 10.59126172,
            "variance": 112.1748248
          },
          {
            "average": 25.3736598,
            "count": 2000721,
            "maximum": 877,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.51500806,
            "variance": 2353.706007
          },
          {
            "average": 1.392420532,
            "count": 2000721,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7661196465,
            "variance": 0.5869393128
          },
          {
            "average": 1.786829848,
            "count": 2000721,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.146548672,
            "variance": 1.314573858
          },
          {
            "average": 1,
            "count": 2000721,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2000721,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.234220563,
            "count": 2000721,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.42351078,
            "variance": 0.1793613808
          },
          {
            "average": 20.88895853,
            "count": 2000721,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.82410789,
            "variance": 14.62380116
          },
          {
            "average": 91.56269115,
            "count": 2000721,
            "maximum": 200,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.34708371,
            "variance": 4270.24135
          },
          {
            "average": 1.514958857,
            "count": 2000721,
            "maximum": 3,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6825742086,
            "variance": 0.4659075502
          },
          {
            "average": 63277536.24,
            "count": 2000721,
            "maximum": 63277985.19,
            "minimum": 63277387.45,
            "name": "GpsTime",
            "position": 12,
            "stddev": 191.7743991,
            "variance": 36777.42013
          },
          {
            "average": 0,
            "count": 2000721,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2000721,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2000721,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2000721,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2000721,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.78,
          2353998.429,
          0.4932417704,
          622999.8,
          2354681.429,
          115.2932418
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.7799913397,
                2353998.428989131,
                0.493241770449266
              ],
              [
                621999.7799913397,
                2354681.428989131,
                0.493241770449266
              ],
              [
                622999.7999913397,
                2354681.428989131,
                115.29324177044927
              ],
              [
                622999.7999913397,
                2353998.428989131,
                115.29324177044927
              ],
              [
                621999.7799913397,
                2353998.428989131,
                0.493241770449266
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:59:45+00:00",
        "end_time": "2013-09-15T10:49:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2254.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2254.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2254.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2254.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8239463,
            21.28361337,
            0.4932417704,
            -157.8142584,
            21.2898508,
            115.2932418
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8239462909811,
                  21.28368096250991,
                  0.493241770449266
                ],
                [
                  -157.823897226125,
                  21.28985079721714,
                  0.493241770449266
                ],
                [
                  -157.8142583873213,
                  21.289783183707243,
                  115.29324177044927
                ],
                [
                  -157.8143078539726,
                  21.283613370871716,
                  115.29324177044927
                ],
                [
                  -157.8239462909811,
                  21.28368096250991,
                  0.493241770449266
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2254.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2254.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:59:45Z",
            "pc:count": 2000721,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622329.5975,
                "count": 2000721,
                "maximum": 622999.8,
                "minimum": 621999.78,
                "name": "X",
                "position": 0,
                "stddev": 251.5622939,
                "variance": 63283.5877
              },
              {
                "average": 2354193.751,
                "count": 2000721,
                "maximum": 2354681.429,
                "minimum": 2353998.429,
                "name": "Y",
                "position": 1,
                "stddev": 146.0357418,
                "variance": 21326.43789
              },
              {
                "average": 8.192823591,
                "count": 2000721,
                "maximum": 115.2932418,
                "minimum": 0.4932417704,
                "name": "Z",
                "position": 2,
                "stddev": 10.59126172,
                "variance": 112.1748248
              },
              {
                "average": 25.3736598,
                "count": 2000721,
                "maximum": 877,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.51500806,
                "variance": 2353.706007
              },
              {
                "average": 1.392420532,
                "count": 2000721,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7661196465,
                "variance": 0.5869393128
              },
              {
                "average": 1.786829848,
                "count": 2000721,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.146548672,
                "variance": 1.314573858
              },
              {
                "average": 1,
                "count": 2000721,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2000721,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.234220563,
                "count": 2000721,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.42351078,
                "variance": 0.1793613808
              },
              {
                "average": 20.88895853,
                "count": 2000721,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.82410789,
                "variance": 14.62380116
              },
              {
                "average": 91.56269115,
                "count": 2000721,
                "maximum": 200,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.34708371,
                "variance": 4270.24135
              },
              {
                "average": 1.514958857,
                "count": 2000721,
                "maximum": 3,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6825742086,
                "variance": 0.4659075502
              },
              {
                "average": 63277536.24,
                "count": 2000721,
                "maximum": 63277985.19,
                "minimum": 63277387.45,
                "name": "GpsTime",
                "position": 12,
                "stddev": 191.7743991,
                "variance": 36777.42013
              },
              {
                "average": 0,
                "count": 2000721,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2000721,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2000721,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2000721,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2000721,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.78,
              2353998.429,
              0.4932417704,
              622999.8,
              2354681.429,
              115.2932418
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.7799913397,
                    2353998.428989131,
                    0.493241770449266
                  ],
                  [
                    621999.7799913397,
                    2354681.428989131,
                    0.493241770449266
                  ],
                  [
                    622999.7999913397,
                    2354681.428989131,
                    115.29324177044927
                  ],
                  [
                    622999.7999913397,
                    2353998.428989131,
                    115.29324177044927
                  ],
                  [
                    621999.7799913397,
                    2353998.428989131,
                    0.493241770449266
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:59:45+00:00",
            "end_time": "2013-09-15T10:49:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2378.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81255891408733,
              21.500412636309058,
              -34.92868580860517
            ],
            [
              -157.812485576106,
              21.509445791813278,
              -34.92868580860517
            ],
            [
              -157.80283256409763,
              21.509376859913925,
              -3.688685808605168
            ],
            [
              -157.80290649876594,
              21.50034373609702,
              -3.688685808605168
            ],
            [
              -157.81255891408733,
              21.500412636309058,
              -34.92868580860517
            ]
          ]
        ]
      },
      "bbox": [
        -157.8125589,
        21.50034374,
        -34.92868581,
        -157.8028326,
        21.50944579,
        -3.688685809
      ],
      "properties": {
        "datetime": "2013-09-24T20:41:09Z",
        "pc:count": 3042908,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623334.6735,
            "count": 3042908,
            "maximum": 623999.8201,
            "minimum": 622999.8201,
            "name": "X",
            "position": 0,
            "stddev": 244.8675524,
            "variance": 59960.11821
          },
          {
            "average": 2378500.072,
            "count": 3042908,
            "maximum": 2378998.488,
            "minimum": 2377998.488,
            "name": "Y",
            "position": 1,
            "stddev": 282.6726053,
            "variance": 79903.80178
          },
          {
            "average": -6.847840288,
            "count": 3042908,
            "maximum": -3.688685809,
            "minimum": -34.92868581,
            "name": "Z",
            "position": 2,
            "stddev": 3.042452365,
            "variance": 9.256516391
          },
          {
            "average": 10.34309812,
            "count": 3042908,
            "maximum": 7651,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.13580631,
            "variance": 736.3519838
          },
          {
            "average": 1.018455044,
            "count": 3042908,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1359818904,
            "variance": 0.01849107453
          },
          {
            "average": 1.024672451,
            "count": 3042908,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.157034614,
            "variance": 0.02465987
          },
          {
            "average": 1,
            "count": 3042908,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3042908,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3042908,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.90708184,
            "count": 3042908,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.114706948,
            "variance": 26.16022717
          },
          {
            "average": 117.8362731,
            "count": 3042908,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.74317108,
            "variance": 6044.000649
          },
          {
            "average": 5.058393484,
            "count": 3042908,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.259064189,
            "variance": 18.13962776
          },
          {
            "average": 63740280.75,
            "count": 3042908,
            "maximum": 64090469.51,
            "minimum": 63592239.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 180015.2785,
            "variance": 32405500490.0
          },
          {
            "average": 0,
            "count": 3042908,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3042908,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3042908,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3042908,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3042908,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8201,
          2377998.488,
          -34.92868581,
          623999.8201,
          2378998.488,
          -3.688685809
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8201197656,
                2377998.487860728,
                -34.92868580860517
              ],
              [
                622999.8201197656,
                2378998.487860728,
                -34.92868580860517
              ],
              [
                623999.8201197656,
                2378998.487860728,
                -3.688685808605168
              ],
              [
                623999.8201197656,
                2377998.487860728,
                -3.688685808605168
              ],
              [
                622999.8201197656,
                2377998.487860728,
                -34.92868580860517
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:41:09+00:00",
        "end_time": "2013-09-19T02:17:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2378.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2378.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2378.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2378.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8125589,
            21.50034374,
            -34.92868581,
            -157.8028326,
            21.50944579,
            -3.688685809
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81255891408733,
                  21.500412636309058,
                  -34.92868580860517
                ],
                [
                  -157.812485576106,
                  21.509445791813278,
                  -34.92868580860517
                ],
                [
                  -157.80283256409763,
                  21.509376859913925,
                  -3.688685808605168
                ],
                [
                  -157.80290649876594,
                  21.50034373609702,
                  -3.688685808605168
                ],
                [
                  -157.81255891408733,
                  21.500412636309058,
                  -34.92868580860517
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2378.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2378.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:41:09Z",
            "pc:count": 3042908,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623334.6735,
                "count": 3042908,
                "maximum": 623999.8201,
                "minimum": 622999.8201,
                "name": "X",
                "position": 0,
                "stddev": 244.8675524,
                "variance": 59960.11821
              },
              {
                "average": 2378500.072,
                "count": 3042908,
                "maximum": 2378998.488,
                "minimum": 2377998.488,
                "name": "Y",
                "position": 1,
                "stddev": 282.6726053,
                "variance": 79903.80178
              },
              {
                "average": -6.847840288,
                "count": 3042908,
                "maximum": -3.688685809,
                "minimum": -34.92868581,
                "name": "Z",
                "position": 2,
                "stddev": 3.042452365,
                "variance": 9.256516391
              },
              {
                "average": 10.34309812,
                "count": 3042908,
                "maximum": 7651,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.13580631,
                "variance": 736.3519838
              },
              {
                "average": 1.018455044,
                "count": 3042908,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1359818904,
                "variance": 0.01849107453
              },
              {
                "average": 1.024672451,
                "count": 3042908,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.157034614,
                "variance": 0.02465987
              },
              {
                "average": 1,
                "count": 3042908,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3042908,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3042908,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.90708184,
                "count": 3042908,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.114706948,
                "variance": 26.16022717
              },
              {
                "average": 117.8362731,
                "count": 3042908,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.74317108,
                "variance": 6044.000649
              },
              {
                "average": 5.058393484,
                "count": 3042908,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.259064189,
                "variance": 18.13962776
              },
              {
                "average": 63740280.75,
                "count": 3042908,
                "maximum": 64090469.51,
                "minimum": 63592239.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 180015.2785,
                "variance": 32405500490.0
              },
              {
                "average": 0,
                "count": 3042908,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3042908,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3042908,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3042908,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3042908,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8201,
              2377998.488,
              -34.92868581,
              623999.8201,
              2378998.488,
              -3.688685809
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8201197656,
                    2377998.487860728,
                    -34.92868580860517
                  ],
                  [
                    622999.8201197656,
                    2378998.487860728,
                    -34.92868580860517
                  ],
                  [
                    623999.8201197656,
                    2378998.487860728,
                    -3.688685808605168
                  ],
                  [
                    623999.8201197656,
                    2377998.487860728,
                    -3.688685808605168
                  ],
                  [
                    622999.8201197656,
                    2377998.487860728,
                    -34.92868580860517
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:41:09+00:00",
            "end_time": "2013-09-19T02:17:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2652.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78554159375105,
              21.26534067730061,
              -2.886092871199399
            ],
            [
              -157.78546747472745,
              21.274374000213477,
              -2.886092871199399
            ],
            [
              -157.7758299734822,
              21.274304237127804,
              34.893907128800606
            ],
            [
              -157.77590468022163,
              21.265270946850613,
              34.893907128800606
            ],
            [
              -157.78554159375105,
              21.26534067730061,
              -2.886092871199399
            ]
          ]
        ]
      },
      "bbox": [
        -157.7855416,
        21.26527095,
        -2.886092871,
        -157.77583,
        21.274374,
        34.89390713
      ],
      "properties": {
        "datetime": "2013-09-22T18:34:39Z",
        "pc:count": 9276394,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626488.0342,
            "count": 9276394,
            "maximum": 626999.8036,
            "minimum": 625999.8036,
            "name": "X",
            "position": 0,
            "stddev": 276.458771,
            "variance": 76429.45209
          },
          {
            "average": 2352382.365,
            "count": 9276394,
            "maximum": 2352998.431,
            "minimum": 2351998.431,
            "name": "Y",
            "position": 1,
            "stddev": 271.736207,
            "variance": 73840.56619
          },
          {
            "average": 6.040081615,
            "count": 9276394,
            "maximum": 34.89390713,
            "minimum": -2.886092871,
            "name": "Z",
            "position": 2,
            "stddev": 4.703927871,
            "variance": 22.12693741
          },
          {
            "average": 18.67361046,
            "count": 9276394,
            "maximum": 1098,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 37.15365606,
            "variance": 1380.394158
          },
          {
            "average": 1.450085561,
            "count": 9276394,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8317988182,
            "variance": 0.6918892739
          },
          {
            "average": 1.908177359,
            "count": 9276394,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.235362869,
            "variance": 1.526121418
          },
          {
            "average": 1,
            "count": 9276394,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9276394,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.404038681,
            "count": 9276394,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.023928217,
            "variance": 81.43128047
          },
          {
            "average": 19.49626457,
            "count": 9276394,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.443148552,
            "variance": 11.85527195
          },
          {
            "average": 91.41170351,
            "count": 9276394,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.44935065,
            "variance": 4415.516201
          },
          {
            "average": 8.75431229,
            "count": 9276394,
            "maximum": 15,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.629309082,
            "variance": 21.43050258
          },
          {
            "average": 63543164.19,
            "count": 9276394,
            "maximum": 63910079.64,
            "minimum": 63381039.47,
            "name": "GpsTime",
            "position": 12,
            "stddev": 242900.5089,
            "variance": 59000657220.0
          },
          {
            "average": 0,
            "count": 9276394,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9276394,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9276394,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9276394,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9276394,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.8036,
          2351998.431,
          -2.886092871,
          626999.8036,
          2352998.431,
          34.89390713
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.8036475473,
                2351998.4313507425,
                -2.886092871199399
              ],
              [
                625999.8036475473,
                2352998.4313507425,
                -2.886092871199399
              ],
              [
                626999.8036475473,
                2352998.4313507425,
                34.893907128800606
              ],
              [
                626999.8036475473,
                2351998.4313507425,
                34.893907128800606
              ],
              [
                625999.8036475473,
                2351998.4313507425,
                -2.886092871199399
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:34:39+00:00",
        "end_time": "2013-09-16T15:37:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2652.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2652.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2652.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2652.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7855416,
            21.26527095,
            -2.886092871,
            -157.77583,
            21.274374,
            34.89390713
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78554159375105,
                  21.26534067730061,
                  -2.886092871199399
                ],
                [
                  -157.78546747472745,
                  21.274374000213477,
                  -2.886092871199399
                ],
                [
                  -157.7758299734822,
                  21.274304237127804,
                  34.893907128800606
                ],
                [
                  -157.77590468022163,
                  21.265270946850613,
                  34.893907128800606
                ],
                [
                  -157.78554159375105,
                  21.26534067730061,
                  -2.886092871199399
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2652.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2652.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:34:39Z",
            "pc:count": 9276394,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626488.0342,
                "count": 9276394,
                "maximum": 626999.8036,
                "minimum": 625999.8036,
                "name": "X",
                "position": 0,
                "stddev": 276.458771,
                "variance": 76429.45209
              },
              {
                "average": 2352382.365,
                "count": 9276394,
                "maximum": 2352998.431,
                "minimum": 2351998.431,
                "name": "Y",
                "position": 1,
                "stddev": 271.736207,
                "variance": 73840.56619
              },
              {
                "average": 6.040081615,
                "count": 9276394,
                "maximum": 34.89390713,
                "minimum": -2.886092871,
                "name": "Z",
                "position": 2,
                "stddev": 4.703927871,
                "variance": 22.12693741
              },
              {
                "average": 18.67361046,
                "count": 9276394,
                "maximum": 1098,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 37.15365606,
                "variance": 1380.394158
              },
              {
                "average": 1.450085561,
                "count": 9276394,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8317988182,
                "variance": 0.6918892739
              },
              {
                "average": 1.908177359,
                "count": 9276394,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.235362869,
                "variance": 1.526121418
              },
              {
                "average": 1,
                "count": 9276394,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9276394,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.404038681,
                "count": 9276394,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.023928217,
                "variance": 81.43128047
              },
              {
                "average": 19.49626457,
                "count": 9276394,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.443148552,
                "variance": 11.85527195
              },
              {
                "average": 91.41170351,
                "count": 9276394,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.44935065,
                "variance": 4415.516201
              },
              {
                "average": 8.75431229,
                "count": 9276394,
                "maximum": 15,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.629309082,
                "variance": 21.43050258
              },
              {
                "average": 63543164.19,
                "count": 9276394,
                "maximum": 63910079.64,
                "minimum": 63381039.47,
                "name": "GpsTime",
                "position": 12,
                "stddev": 242900.5089,
                "variance": 59000657220.0
              },
              {
                "average": 0,
                "count": 9276394,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9276394,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9276394,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9276394,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9276394,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.8036,
              2351998.431,
              -2.886092871,
              626999.8036,
              2352998.431,
              34.89390713
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.8036475473,
                    2351998.4313507425,
                    -2.886092871199399
                  ],
                  [
                    625999.8036475473,
                    2352998.4313507425,
                    -2.886092871199399
                  ],
                  [
                    626999.8036475473,
                    2352998.4313507425,
                    34.893907128800606
                  ],
                  [
                    626999.8036475473,
                    2351998.4313507425,
                    34.893907128800606
                  ],
                  [
                    625999.8036475473,
                    2351998.4313507425,
                    -2.886092871199399
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:34:39+00:00",
            "end_time": "2013-09-16T15:37:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2270.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82223056525953,
              21.42882309524571,
              1.381209215720212
            ],
            [
              -157.82216300218033,
              21.43724444640255,
              1.381209215720212
            ],
            [
              -157.81307122473405,
              21.43718023946923,
              104.10120921572022
            ],
            [
              -157.81313931060257,
              21.428758915863572,
              104.10120921572022
            ],
            [
              -157.82223056525953,
              21.42882309524571,
              1.381209215720212
            ]
          ]
        ]
      },
      "bbox": [
        -157.8222306,
        21.42875892,
        1.381209216,
        -157.8130712,
        21.43724445,
        104.1012092
      ],
      "properties": {
        "datetime": "2013-09-21T00:50:57Z",
        "pc:count": 3073019,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622644.1582,
            "count": 3073019,
            "maximum": 622999.8166,
            "minimum": 622057.4966,
            "name": "X",
            "position": 0,
            "stddev": 238.4553044,
            "variance": 56860.93217
          },
          {
            "average": 2370743.888,
            "count": 3073019,
            "maximum": 2370998.484,
            "minimum": 2370066.224,
            "name": "Y",
            "position": 1,
            "stddev": 212.9611154,
            "variance": 45352.43667
          },
          {
            "average": 21.39584394,
            "count": 3073019,
            "maximum": 104.1012092,
            "minimum": 1.381209216,
            "name": "Z",
            "position": 2,
            "stddev": 21.03147086,
            "variance": 442.3227665
          },
          {
            "average": 11.11887073,
            "count": 3073019,
            "maximum": 156,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.01809187,
            "variance": 196.5068996
          },
          {
            "average": 1.656210066,
            "count": 3073019,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.019532238,
            "variance": 1.039445983
          },
          {
            "average": 2.311493356,
            "count": 3073019,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.495037625,
            "variance": 2.235137501
          },
          {
            "average": 1,
            "count": 3073019,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3073019,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.121572304,
            "count": 3073019,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3267912386,
            "variance": 0.1067925136
          },
          {
            "average": 20.00852071,
            "count": 3073019,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.868852091,
            "variance": 3.492608137
          },
          {
            "average": 91.81060514,
            "count": 3073019,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.97258556,
            "variance": 4352.382045
          },
          {
            "average": 4.340560537,
            "count": 3073019,
            "maximum": 5,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8338898835,
            "variance": 0.6953723378
          },
          {
            "average": 63759514.5,
            "count": 3073019,
            "maximum": 63759857.81,
            "minimum": 63758254.82,
            "name": "GpsTime",
            "position": 12,
            "stddev": 450.5564941,
            "variance": 203001.1544
          },
          {
            "average": 0,
            "count": 3073019,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3073019,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3073019,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3073019,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3073019,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622057.4966,
          2370066.224,
          1.381209216,
          622999.8166,
          2370998.484,
          104.1012092
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622057.4966465445,
                2370066.2242186125,
                1.381209215720212
              ],
              [
                622057.4966465445,
                2370998.4842186123,
                1.381209215720212
              ],
              [
                622999.8166465446,
                2370998.4842186123,
                104.10120921572022
              ],
              [
                622999.8166465446,
                2370066.2242186125,
                104.10120921572022
              ],
              [
                622057.4966465445,
                2370066.2242186125,
                1.381209215720212
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:50:57+00:00",
        "end_time": "2013-09-21T00:24:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2270.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2270.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2270.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2270.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8222306,
            21.42875892,
            1.381209216,
            -157.8130712,
            21.43724445,
            104.1012092
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82223056525953,
                  21.42882309524571,
                  1.381209215720212
                ],
                [
                  -157.82216300218033,
                  21.43724444640255,
                  1.381209215720212
                ],
                [
                  -157.81307122473405,
                  21.43718023946923,
                  104.10120921572022
                ],
                [
                  -157.81313931060257,
                  21.428758915863572,
                  104.10120921572022
                ],
                [
                  -157.82223056525953,
                  21.42882309524571,
                  1.381209215720212
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2270.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2270.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:50:57Z",
            "pc:count": 3073019,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622644.1582,
                "count": 3073019,
                "maximum": 622999.8166,
                "minimum": 622057.4966,
                "name": "X",
                "position": 0,
                "stddev": 238.4553044,
                "variance": 56860.93217
              },
              {
                "average": 2370743.888,
                "count": 3073019,
                "maximum": 2370998.484,
                "minimum": 2370066.224,
                "name": "Y",
                "position": 1,
                "stddev": 212.9611154,
                "variance": 45352.43667
              },
              {
                "average": 21.39584394,
                "count": 3073019,
                "maximum": 104.1012092,
                "minimum": 1.381209216,
                "name": "Z",
                "position": 2,
                "stddev": 21.03147086,
                "variance": 442.3227665
              },
              {
                "average": 11.11887073,
                "count": 3073019,
                "maximum": 156,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.01809187,
                "variance": 196.5068996
              },
              {
                "average": 1.656210066,
                "count": 3073019,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.019532238,
                "variance": 1.039445983
              },
              {
                "average": 2.311493356,
                "count": 3073019,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.495037625,
                "variance": 2.235137501
              },
              {
                "average": 1,
                "count": 3073019,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3073019,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.121572304,
                "count": 3073019,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3267912386,
                "variance": 0.1067925136
              },
              {
                "average": 20.00852071,
                "count": 3073019,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.868852091,
                "variance": 3.492608137
              },
              {
                "average": 91.81060514,
                "count": 3073019,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.97258556,
                "variance": 4352.382045
              },
              {
                "average": 4.340560537,
                "count": 3073019,
                "maximum": 5,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8338898835,
                "variance": 0.6953723378
              },
              {
                "average": 63759514.5,
                "count": 3073019,
                "maximum": 63759857.81,
                "minimum": 63758254.82,
                "name": "GpsTime",
                "position": 12,
                "stddev": 450.5564941,
                "variance": 203001.1544
              },
              {
                "average": 0,
                "count": 3073019,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3073019,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3073019,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3073019,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3073019,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622057.4966,
              2370066.224,
              1.381209216,
              622999.8166,
              2370998.484,
              104.1012092
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622057.4966465445,
                    2370066.2242186125,
                    1.381209215720212
                  ],
                  [
                    622057.4966465445,
                    2370998.4842186123,
                    1.381209215720212
                  ],
                  [
                    622999.8166465446,
                    2370998.4842186123,
                    104.10120921572022
                  ],
                  [
                    622999.8166465446,
                    2370066.2242186125,
                    104.10120921572022
                  ],
                  [
                    622057.4966465445,
                    2370066.2242186125,
                    1.381209215720212
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:50:57+00:00",
            "end_time": "2013-09-21T00:24:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2154.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8335845231948,
              21.283748005932335,
              -1.794010420529425
            ],
            [
              -157.83351326616165,
              21.292781650791078,
              -1.794010420529425
            ],
            [
              -157.8238744016777,
              21.292714573690123,
              118.80598957947058
            ],
            [
              -157.82394624627466,
              21.283680961813506,
              118.80598957947058
            ],
            [
              -157.8335845231948,
              21.283748005932335,
              -1.794010420529425
            ]
          ]
        ]
      },
      "bbox": [
        -157.8335845,
        21.28368096,
        -1.794010421,
        -157.8238744,
        21.29278165,
        118.8059896
      ],
      "properties": {
        "datetime": "2013-09-15T11:14:36Z",
        "pc:count": 5447742,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621454.2827,
            "count": 5447742,
            "maximum": 621999.7846,
            "minimum": 620999.7846,
            "name": "X",
            "position": 0,
            "stddev": 282.3684752,
            "variance": 79731.95578
          },
          {
            "average": 2354454.998,
            "count": 5447742,
            "maximum": 2354998.449,
            "minimum": 2353998.429,
            "name": "Y",
            "position": 1,
            "stddev": 278.0939516,
            "variance": 77336.24593
          },
          {
            "average": 8.788442873,
            "count": 5447742,
            "maximum": 118.8059896,
            "minimum": -1.794010421,
            "name": "Z",
            "position": 2,
            "stddev": 13.78600501,
            "variance": 190.053934
          },
          {
            "average": 21.90136299,
            "count": 5447742,
            "maximum": 1389,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.5698183,
            "variance": 1728.049793
          },
          {
            "average": 1.450217356,
            "count": 5447742,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8028817926,
            "variance": 0.6446191729
          },
          {
            "average": 1.902188833,
            "count": 5447742,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.184510338,
            "variance": 1.403064742
          },
          {
            "average": 1,
            "count": 5447742,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5447742,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.283300494,
            "count": 5447742,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.485712453,
            "variance": 2.207341492
          },
          {
            "average": 20.06576227,
            "count": 5447742,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.113434573,
            "variance": 9.69347484
          },
          {
            "average": 91.22420243,
            "count": 5447742,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.72806365,
            "variance": 4320.178351
          },
          {
            "average": 2.597792627,
            "count": 5447742,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.320010197,
            "variance": 1.742426921
          },
          {
            "average": 63277848.7,
            "count": 5447742,
            "maximum": 63278876.37,
            "minimum": 63277370.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 392.2797169,
            "variance": 153883.3763
          },
          {
            "average": 0,
            "count": 5447742,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5447742,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5447742,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5447742,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5447742,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.7846,
          2353998.429,
          -1.794010421,
          621999.7846,
          2354998.449,
          118.8059896
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.7846300902,
                2353998.428946606,
                -1.794010420529425
              ],
              [
                620999.7846300902,
                2354998.4489466054,
                -1.794010420529425
              ],
              [
                621999.7846300902,
                2354998.4489466054,
                118.80598957947058
              ],
              [
                621999.7846300902,
                2353998.428946606,
                118.80598957947058
              ],
              [
                620999.7846300902,
                2353998.428946606,
                -1.794010420529425
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T11:14:36+00:00",
        "end_time": "2013-09-15T10:49:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2154.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2154.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2154.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2154.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8335845,
            21.28368096,
            -1.794010421,
            -157.8238744,
            21.29278165,
            118.8059896
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8335845231948,
                  21.283748005932335,
                  -1.794010420529425
                ],
                [
                  -157.83351326616165,
                  21.292781650791078,
                  -1.794010420529425
                ],
                [
                  -157.8238744016777,
                  21.292714573690123,
                  118.80598957947058
                ],
                [
                  -157.82394624627466,
                  21.283680961813506,
                  118.80598957947058
                ],
                [
                  -157.8335845231948,
                  21.283748005932335,
                  -1.794010420529425
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2154.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2154.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T11:14:36Z",
            "pc:count": 5447742,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621454.2827,
                "count": 5447742,
                "maximum": 621999.7846,
                "minimum": 620999.7846,
                "name": "X",
                "position": 0,
                "stddev": 282.3684752,
                "variance": 79731.95578
              },
              {
                "average": 2354454.998,
                "count": 5447742,
                "maximum": 2354998.449,
                "minimum": 2353998.429,
                "name": "Y",
                "position": 1,
                "stddev": 278.0939516,
                "variance": 77336.24593
              },
              {
                "average": 8.788442873,
                "count": 5447742,
                "maximum": 118.8059896,
                "minimum": -1.794010421,
                "name": "Z",
                "position": 2,
                "stddev": 13.78600501,
                "variance": 190.053934
              },
              {
                "average": 21.90136299,
                "count": 5447742,
                "maximum": 1389,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.5698183,
                "variance": 1728.049793
              },
              {
                "average": 1.450217356,
                "count": 5447742,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8028817926,
                "variance": 0.6446191729
              },
              {
                "average": 1.902188833,
                "count": 5447742,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.184510338,
                "variance": 1.403064742
              },
              {
                "average": 1,
                "count": 5447742,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5447742,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.283300494,
                "count": 5447742,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.485712453,
                "variance": 2.207341492
              },
              {
                "average": 20.06576227,
                "count": 5447742,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.113434573,
                "variance": 9.69347484
              },
              {
                "average": 91.22420243,
                "count": 5447742,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.72806365,
                "variance": 4320.178351
              },
              {
                "average": 2.597792627,
                "count": 5447742,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.320010197,
                "variance": 1.742426921
              },
              {
                "average": 63277848.7,
                "count": 5447742,
                "maximum": 63278876.37,
                "minimum": 63277370.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 392.2797169,
                "variance": 153883.3763
              },
              {
                "average": 0,
                "count": 5447742,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5447742,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5447742,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5447742,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5447742,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.7846,
              2353998.429,
              -1.794010421,
              621999.7846,
              2354998.449,
              118.8059896
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.7846300902,
                    2353998.428946606,
                    -1.794010420529425
                  ],
                  [
                    620999.7846300902,
                    2354998.4489466054,
                    -1.794010420529425
                  ],
                  [
                    621999.7846300902,
                    2354998.4489466054,
                    118.80598957947058
                  ],
                  [
                    621999.7846300902,
                    2353998.428946606,
                    118.80598957947058
                  ],
                  [
                    620999.7846300902,
                    2353998.428946606,
                    -1.794010420529425
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T11:14:36+00:00",
            "end_time": "2013-09-15T10:49:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2871.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7648304799245,
              21.436831063773408,
              -4.947659910473472
            ],
            [
              -157.76475441176035,
              21.445864307745154,
              -4.947659910473472
            ],
            [
              -157.7551055985748,
              21.445792810844658,
              36.73234008952653
            ],
            [
              -157.75518226314838,
              21.436759599976156,
              36.73234008952653
            ],
            [
              -157.7648304799245,
              21.436831063773408,
              -4.947659910473472
            ]
          ]
        ]
      },
      "bbox": [
        -157.7648305,
        21.4367596,
        -4.94765991,
        -157.7551056,
        21.44586431,
        36.73234009
      ],
      "properties": {
        "datetime": "2013-09-19T20:09:24Z",
        "pc:count": 5340715,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628535.5832,
            "count": 5340715,
            "maximum": 628999.8504,
            "minimum": 627999.8304,
            "name": "X",
            "position": 0,
            "stddev": 282.0943753,
            "variance": 79577.23656
          },
          {
            "average": 2371519.09,
            "count": 5340715,
            "maximum": 2371998.484,
            "minimum": 2370998.464,
            "name": "Y",
            "position": 1,
            "stddev": 276.9589314,
            "variance": 76706.2497
          },
          {
            "average": 5.391682807,
            "count": 5340715,
            "maximum": 36.73234009,
            "minimum": -4.94765991,
            "name": "Z",
            "position": 2,
            "stddev": 4.21855364,
            "variance": 17.79619481
          },
          {
            "average": 34.77210074,
            "count": 5340715,
            "maximum": 1489,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 46.52304155,
            "variance": 2164.393395
          },
          {
            "average": 1.225670907,
            "count": 5340715,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6271089813,
            "variance": 0.3932656744
          },
          {
            "average": 1.452389802,
            "count": 5340715,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9815903584,
            "variance": 0.9635196316
          },
          {
            "average": 1,
            "count": 5340715,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5340715,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.710576955,
            "count": 5340715,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.233291623,
            "variance": 10.45417472
          },
          {
            "average": 15.47220024,
            "count": 5340715,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.619118736,
            "variance": 74.28920779
          },
          {
            "average": 92.4715099,
            "count": 5340715,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.8881098,
            "variance": 4081.690574
          },
          {
            "average": 5.903422107,
            "count": 5340715,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.906741477,
            "variance": 3.63566306
          },
          {
            "average": 63614995.09,
            "count": 5340715,
            "maximum": 63656564.26,
            "minimum": 63591860.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 28826.95061,
            "variance": 830993081.4
          },
          {
            "average": 0,
            "count": 5340715,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5340715,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5340715,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5340715,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5340715,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.8304,
          2370998.464,
          -4.94765991,
          628999.8504,
          2371998.484,
          36.73234009
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8304498955,
                2370998.4637781093,
                -4.947659910473472
              ],
              [
                627999.8304498955,
                2371998.483778109,
                -4.947659910473472
              ],
              [
                628999.8504498955,
                2371998.483778109,
                36.73234008952653
              ],
              [
                628999.8504498955,
                2370998.4637781093,
                36.73234008952653
              ],
              [
                627999.8304498955,
                2370998.4637781093,
                -4.947659910473472
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:09:24+00:00",
        "end_time": "2013-09-19T02:11:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2871.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2871.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2871.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2871.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7648305,
            21.4367596,
            -4.94765991,
            -157.7551056,
            21.44586431,
            36.73234009
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7648304799245,
                  21.436831063773408,
                  -4.947659910473472
                ],
                [
                  -157.76475441176035,
                  21.445864307745154,
                  -4.947659910473472
                ],
                [
                  -157.7551055985748,
                  21.445792810844658,
                  36.73234008952653
                ],
                [
                  -157.75518226314838,
                  21.436759599976156,
                  36.73234008952653
                ],
                [
                  -157.7648304799245,
                  21.436831063773408,
                  -4.947659910473472
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2871.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2871.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:09:24Z",
            "pc:count": 5340715,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628535.5832,
                "count": 5340715,
                "maximum": 628999.8504,
                "minimum": 627999.8304,
                "name": "X",
                "position": 0,
                "stddev": 282.0943753,
                "variance": 79577.23656
              },
              {
                "average": 2371519.09,
                "count": 5340715,
                "maximum": 2371998.484,
                "minimum": 2370998.464,
                "name": "Y",
                "position": 1,
                "stddev": 276.9589314,
                "variance": 76706.2497
              },
              {
                "average": 5.391682807,
                "count": 5340715,
                "maximum": 36.73234009,
                "minimum": -4.94765991,
                "name": "Z",
                "position": 2,
                "stddev": 4.21855364,
                "variance": 17.79619481
              },
              {
                "average": 34.77210074,
                "count": 5340715,
                "maximum": 1489,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 46.52304155,
                "variance": 2164.393395
              },
              {
                "average": 1.225670907,
                "count": 5340715,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6271089813,
                "variance": 0.3932656744
              },
              {
                "average": 1.452389802,
                "count": 5340715,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9815903584,
                "variance": 0.9635196316
              },
              {
                "average": 1,
                "count": 5340715,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5340715,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.710576955,
                "count": 5340715,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.233291623,
                "variance": 10.45417472
              },
              {
                "average": 15.47220024,
                "count": 5340715,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.619118736,
                "variance": 74.28920779
              },
              {
                "average": 92.4715099,
                "count": 5340715,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.8881098,
                "variance": 4081.690574
              },
              {
                "average": 5.903422107,
                "count": 5340715,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.906741477,
                "variance": 3.63566306
              },
              {
                "average": 63614995.09,
                "count": 5340715,
                "maximum": 63656564.26,
                "minimum": 63591860.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 28826.95061,
                "variance": 830993081.4
              },
              {
                "average": 0,
                "count": 5340715,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5340715,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5340715,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5340715,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5340715,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.8304,
              2370998.464,
              -4.94765991,
              628999.8504,
              2371998.484,
              36.73234009
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8304498955,
                    2370998.4637781093,
                    -4.947659910473472
                  ],
                  [
                    627999.8304498955,
                    2371998.483778109,
                    -4.947659910473472
                  ],
                  [
                    628999.8504498955,
                    2371998.483778109,
                    36.73234008952653
                  ],
                  [
                    628999.8504498955,
                    2370998.4637781093,
                    36.73234008952653
                  ],
                  [
                    627999.8304498955,
                    2370998.4637781093,
                    -4.947659910473472
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:09:24+00:00",
            "end_time": "2013-09-19T02:11:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2973.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75502894938197,
              21.45482574880643,
              -24.081947723700367
            ],
            [
              -157.7549522077532,
              21.46385876198153,
              -24.081947723700367
            ],
            [
              -157.74530223128275,
              21.463786645053506,
              30.078052276299637
            ],
            [
              -157.74537956854167,
              21.45475366505014,
              30.078052276299637
            ],
            [
              -157.75502894938197,
              21.45482574880643,
              -24.081947723700367
            ]
          ]
        ]
      },
      "bbox": [
        -157.7550289,
        21.45475367,
        -24.08194772,
        -157.7453022,
        21.46385876,
        30.07805228
      ],
      "properties": {
        "datetime": "2013-09-21T02:22:27Z",
        "pc:count": 3487527,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629478.243,
            "count": 3487527,
            "maximum": 629999.865,
            "minimum": 628999.845,
            "name": "X",
            "position": 0,
            "stddev": 287.750021,
            "variance": 82800.07456
          },
          {
            "average": 2373414.818,
            "count": 3487527,
            "maximum": 2373998.474,
            "minimum": 2372998.474,
            "name": "Y",
            "position": 1,
            "stddev": 254.6001093,
            "variance": 64821.21565
          },
          {
            "average": -7.066751684,
            "count": 3487527,
            "maximum": 30.07805228,
            "minimum": -24.08194772,
            "name": "Z",
            "position": 2,
            "stddev": 6.574065585,
            "variance": 43.21833832
          },
          {
            "average": 22.98395769,
            "count": 3487527,
            "maximum": 7576,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.43434285,
            "variance": 2345.885568
          },
          {
            "average": 1.0228414,
            "count": 3487527,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1607186214,
            "variance": 0.02583047526
          },
          {
            "average": 1.044310481,
            "count": 3487527,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2311691554,
            "variance": 0.0534391784
          },
          {
            "average": 1,
            "count": 3487527,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3487527,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.54208412,
            "count": 3487527,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.859075856,
            "variance": 61.76507332
          },
          {
            "average": 18.2655957,
            "count": 3487527,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.824168166,
            "variance": 33.92093482
          },
          {
            "average": 99.89685442,
            "count": 3487527,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 72.67460974,
            "variance": 5281.598901
          },
          {
            "average": 9.72573345,
            "count": 3487527,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.806827475,
            "variance": 33.71924532
          },
          {
            "average": 63736004.94,
            "count": 3487527,
            "maximum": 63765347.12,
            "minimum": 63653410.3,
            "name": "GpsTime",
            "position": 12,
            "stddev": 46906.84867,
            "variance": 2200252452
          },
          {
            "average": 0,
            "count": 3487527,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3487527,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3487527,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3487527,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3487527,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.845,
          2372998.474,
          -24.08194772,
          629999.865,
          2373998.474,
          30.07805228
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8450172187,
                2372998.4744656184,
                -24.081947723700367
              ],
              [
                628999.8450172187,
                2373998.4744656184,
                -24.081947723700367
              ],
              [
                629999.8650172187,
                2373998.4744656184,
                30.078052276299637
              ],
              [
                629999.8650172187,
                2372998.4744656184,
                30.078052276299637
              ],
              [
                628999.8450172187,
                2372998.4744656184,
                -24.081947723700367
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:22:27+00:00",
        "end_time": "2013-09-19T19:16:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2973.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2973.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2973.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2973.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7550289,
            21.45475367,
            -24.08194772,
            -157.7453022,
            21.46385876,
            30.07805228
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75502894938197,
                  21.45482574880643,
                  -24.081947723700367
                ],
                [
                  -157.7549522077532,
                  21.46385876198153,
                  -24.081947723700367
                ],
                [
                  -157.74530223128275,
                  21.463786645053506,
                  30.078052276299637
                ],
                [
                  -157.74537956854167,
                  21.45475366505014,
                  30.078052276299637
                ],
                [
                  -157.75502894938197,
                  21.45482574880643,
                  -24.081947723700367
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2973.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2973.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:22:27Z",
            "pc:count": 3487527,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629478.243,
                "count": 3487527,
                "maximum": 629999.865,
                "minimum": 628999.845,
                "name": "X",
                "position": 0,
                "stddev": 287.750021,
                "variance": 82800.07456
              },
              {
                "average": 2373414.818,
                "count": 3487527,
                "maximum": 2373998.474,
                "minimum": 2372998.474,
                "name": "Y",
                "position": 1,
                "stddev": 254.6001093,
                "variance": 64821.21565
              },
              {
                "average": -7.066751684,
                "count": 3487527,
                "maximum": 30.07805228,
                "minimum": -24.08194772,
                "name": "Z",
                "position": 2,
                "stddev": 6.574065585,
                "variance": 43.21833832
              },
              {
                "average": 22.98395769,
                "count": 3487527,
                "maximum": 7576,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.43434285,
                "variance": 2345.885568
              },
              {
                "average": 1.0228414,
                "count": 3487527,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1607186214,
                "variance": 0.02583047526
              },
              {
                "average": 1.044310481,
                "count": 3487527,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2311691554,
                "variance": 0.0534391784
              },
              {
                "average": 1,
                "count": 3487527,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3487527,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.54208412,
                "count": 3487527,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.859075856,
                "variance": 61.76507332
              },
              {
                "average": 18.2655957,
                "count": 3487527,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.824168166,
                "variance": 33.92093482
              },
              {
                "average": 99.89685442,
                "count": 3487527,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 72.67460974,
                "variance": 5281.598901
              },
              {
                "average": 9.72573345,
                "count": 3487527,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.806827475,
                "variance": 33.71924532
              },
              {
                "average": 63736004.94,
                "count": 3487527,
                "maximum": 63765347.12,
                "minimum": 63653410.3,
                "name": "GpsTime",
                "position": 12,
                "stddev": 46906.84867,
                "variance": 2200252452
              },
              {
                "average": 0,
                "count": 3487527,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3487527,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3487527,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3487527,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3487527,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.845,
              2372998.474,
              -24.08194772,
              629999.865,
              2373998.474,
              30.07805228
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8450172187,
                    2372998.4744656184,
                    -24.081947723700367
                  ],
                  [
                    628999.8450172187,
                    2373998.4744656184,
                    -24.081947723700367
                  ],
                  [
                    629999.8650172187,
                    2373998.4744656184,
                    30.078052276299637
                  ],
                  [
                    629999.8650172187,
                    2372998.4744656184,
                    30.078052276299637
                  ],
                  [
                    628999.8450172187,
                    2372998.4744656184,
                    -24.081947723700367
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:22:27+00:00",
            "end_time": "2013-09-19T19:16:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2379.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81248560617456,
              21.50944579114198,
              -39.48684352759477
            ],
            [
              -157.8124122290152,
              21.51847893684689,
              -39.48684352759477
            ],
            [
              -157.8027586202229,
              21.518409973221,
              -4.846843527594771
            ],
            [
              -157.80283259416612,
              21.509376859244366,
              -4.846843527594771
            ],
            [
              -157.81248560617456,
              21.50944579114198,
              -39.48684352759477
            ]
          ]
        ]
      },
      "bbox": [
        -157.8124856,
        21.50937686,
        -39.48684353,
        -157.8027586,
        21.51847894,
        -4.846843528
      ],
      "properties": {
        "datetime": "2013-09-24T20:41:29Z",
        "pc:count": 1969736,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623311.8247,
            "count": 1969736,
            "maximum": 623999.817,
            "minimum": 622999.817,
            "name": "X",
            "position": 0,
            "stddev": 219.4487439,
            "variance": 48157.7512
          },
          {
            "average": 2379413.676,
            "count": 1969736,
            "maximum": 2379998.488,
            "minimum": 2378998.488,
            "name": "Y",
            "position": 1,
            "stddev": 292.7299087,
            "variance": 85690.79943
          },
          {
            "average": -13.40354278,
            "count": 1969736,
            "maximum": -4.846843528,
            "minimum": -39.48684353,
            "name": "Z",
            "position": 2,
            "stddev": 8.183219747,
            "variance": 66.96508543
          },
          {
            "average": 81.02898916,
            "count": 1969736,
            "maximum": 8088,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 221.3212423,
            "variance": 48983.09229
          },
          {
            "average": 1.004962086,
            "count": 1969736,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07046191419,
            "variance": 0.004964881351
          },
          {
            "average": 1.009005268,
            "count": 1969736,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0949235662,
            "variance": 0.009010483421
          },
          {
            "average": 1,
            "count": 1969736,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1969736,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1969736,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.45483142,
            "count": 1969736,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.775332946,
            "variance": 60.45580242
          },
          {
            "average": 171.6834627,
            "count": 1969736,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 85.79424992,
            "variance": 7360.653319
          },
          {
            "average": 11.71651734,
            "count": 1969736,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.151518257,
            "variance": 17.23510383
          },
          {
            "average": 63931978.1,
            "count": 1969736,
            "maximum": 64090489.6,
            "minimum": 63653281.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 172655.4332,
            "variance": 29809898600.0
          },
          {
            "average": 0,
            "count": 1969736,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1969736,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1969736,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1969736,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1969736,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.817,
          2378998.488,
          -39.48684353,
          623999.817,
          2379998.488,
          -4.846843528
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8170055754,
                2378998.4877627445,
                -39.48684352759477
              ],
              [
                622999.8170055754,
                2379998.4877627445,
                -39.48684352759477
              ],
              [
                623999.8170055754,
                2379998.4877627445,
                -4.846843527594771
              ],
              [
                623999.8170055754,
                2378998.4877627445,
                -4.846843527594771
              ],
              [
                622999.8170055754,
                2378998.4877627445,
                -39.48684352759477
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:41:29+00:00",
        "end_time": "2013-09-19T19:14:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2379.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2379.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2379.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2379.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8124856,
            21.50937686,
            -39.48684353,
            -157.8027586,
            21.51847894,
            -4.846843528
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81248560617456,
                  21.50944579114198,
                  -39.48684352759477
                ],
                [
                  -157.8124122290152,
                  21.51847893684689,
                  -39.48684352759477
                ],
                [
                  -157.8027586202229,
                  21.518409973221,
                  -4.846843527594771
                ],
                [
                  -157.80283259416612,
                  21.509376859244366,
                  -4.846843527594771
                ],
                [
                  -157.81248560617456,
                  21.50944579114198,
                  -39.48684352759477
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2379.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2379.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:41:29Z",
            "pc:count": 1969736,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623311.8247,
                "count": 1969736,
                "maximum": 623999.817,
                "minimum": 622999.817,
                "name": "X",
                "position": 0,
                "stddev": 219.4487439,
                "variance": 48157.7512
              },
              {
                "average": 2379413.676,
                "count": 1969736,
                "maximum": 2379998.488,
                "minimum": 2378998.488,
                "name": "Y",
                "position": 1,
                "stddev": 292.7299087,
                "variance": 85690.79943
              },
              {
                "average": -13.40354278,
                "count": 1969736,
                "maximum": -4.846843528,
                "minimum": -39.48684353,
                "name": "Z",
                "position": 2,
                "stddev": 8.183219747,
                "variance": 66.96508543
              },
              {
                "average": 81.02898916,
                "count": 1969736,
                "maximum": 8088,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 221.3212423,
                "variance": 48983.09229
              },
              {
                "average": 1.004962086,
                "count": 1969736,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07046191419,
                "variance": 0.004964881351
              },
              {
                "average": 1.009005268,
                "count": 1969736,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0949235662,
                "variance": 0.009010483421
              },
              {
                "average": 1,
                "count": 1969736,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1969736,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1969736,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.45483142,
                "count": 1969736,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.775332946,
                "variance": 60.45580242
              },
              {
                "average": 171.6834627,
                "count": 1969736,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 85.79424992,
                "variance": 7360.653319
              },
              {
                "average": 11.71651734,
                "count": 1969736,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.151518257,
                "variance": 17.23510383
              },
              {
                "average": 63931978.1,
                "count": 1969736,
                "maximum": 64090489.6,
                "minimum": 63653281.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 172655.4332,
                "variance": 29809898600.0
              },
              {
                "average": 0,
                "count": 1969736,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1969736,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1969736,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1969736,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1969736,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.817,
              2378998.488,
              -39.48684353,
              623999.817,
              2379998.488,
              -4.846843528
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8170055754,
                    2378998.4877627445,
                    -39.48684352759477
                  ],
                  [
                    622999.8170055754,
                    2379998.4877627445,
                    -39.48684352759477
                  ],
                  [
                    623999.8170055754,
                    2379998.4877627445,
                    -4.846843527594771
                  ],
                  [
                    623999.8170055754,
                    2378998.4877627445,
                    -4.846843527594771
                  ],
                  [
                    622999.8170055754,
                    2378998.4877627445,
                    -39.48684352759477
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:41:29+00:00",
            "end_time": "2013-09-19T19:14:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2380.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81241215283706,
              21.518478984297435,
              -39.519203633628386
            ],
            [
              -157.81233873948207,
              21.5275119390237,
              -39.519203633628386
            ],
            [
              -157.80307301881538,
              21.527445730710383,
              -8.119203633628386
            ],
            [
              -157.8031470044562,
              21.51841280655592,
              -8.119203633628386
            ],
            [
              -157.81241215283706,
              21.518478984297435,
              -39.519203633628386
            ]
          ]
        ]
      },
      "bbox": [
        -157.8124122,
        21.51841281,
        -39.51920363,
        -157.803073,
        21.52751194,
        -8.119203634
      ],
      "properties": {
        "datetime": "2013-09-24T20:41:33Z",
        "pc:count": 685189,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623180.5912,
            "count": 685189,
            "maximum": 623959.5849,
            "minimum": 622999.8249,
            "name": "X",
            "position": 0,
            "stddev": 133.2193415,
            "variance": 17747.39295
          },
          {
            "average": 2380335.01,
            "count": 685189,
            "maximum": 2380998.473,
            "minimum": 2379998.493,
            "name": "Y",
            "position": 1,
            "stddev": 222.107258,
            "variance": 49331.63404
          },
          {
            "average": -15.52784001,
            "count": 685189,
            "maximum": -8.119203634,
            "minimum": -39.51920363,
            "name": "Z",
            "position": 2,
            "stddev": 8.832119561,
            "variance": 78.00633594
          },
          {
            "average": 114.1486116,
            "count": 685189,
            "maximum": 5668,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 231.462062,
            "variance": 53574.68614
          },
          {
            "average": 1.001970259,
            "count": 685189,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04437678623,
            "variance": 0.001969299156
          },
          {
            "average": 1.002969983,
            "count": 685189,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05479079924,
            "variance": 0.003002031681
          },
          {
            "average": 1,
            "count": 685189,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 685189,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 685189,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.0358647,
            "count": 685189,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.272152109,
            "variance": 68.42850052
          },
          {
            "average": 162.2538292,
            "count": 685189,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 87.1255021,
            "variance": 7590.853116
          },
          {
            "average": 9.400451554,
            "count": 685189,
            "maximum": 22,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.446562189,
            "variance": 19.7719153
          },
          {
            "average": 64052738.79,
            "count": 685189,
            "maximum": 64090493.01,
            "minimum": 63762879.83,
            "name": "GpsTime",
            "position": 12,
            "stddev": 101116.8623,
            "variance": 10224619840.0
          },
          {
            "average": 0,
            "count": 685189,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 685189,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 685189,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 685189,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 685189,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8249,
          2379998.493,
          -39.51920363,
          623959.5849,
          2380998.473,
          -8.119203634
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.824856324,
                2379998.493075378,
                -39.519203633628386
              ],
              [
                622999.824856324,
                2380998.473075378,
                -39.519203633628386
              ],
              [
                623959.584856324,
                2380998.473075378,
                -8.119203633628386
              ],
              [
                623959.584856324,
                2379998.493075378,
                -8.119203633628386
              ],
              [
                622999.824856324,
                2379998.493075378,
                -39.519203633628386
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:41:33+00:00",
        "end_time": "2013-09-21T01:41:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2380.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2380.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2380.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2380.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8124122,
            21.51841281,
            -39.51920363,
            -157.803073,
            21.52751194,
            -8.119203634
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81241215283706,
                  21.518478984297435,
                  -39.519203633628386
                ],
                [
                  -157.81233873948207,
                  21.5275119390237,
                  -39.519203633628386
                ],
                [
                  -157.80307301881538,
                  21.527445730710383,
                  -8.119203633628386
                ],
                [
                  -157.8031470044562,
                  21.51841280655592,
                  -8.119203633628386
                ],
                [
                  -157.81241215283706,
                  21.518478984297435,
                  -39.519203633628386
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2380.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2380.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:41:33Z",
            "pc:count": 685189,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623180.5912,
                "count": 685189,
                "maximum": 623959.5849,
                "minimum": 622999.8249,
                "name": "X",
                "position": 0,
                "stddev": 133.2193415,
                "variance": 17747.39295
              },
              {
                "average": 2380335.01,
                "count": 685189,
                "maximum": 2380998.473,
                "minimum": 2379998.493,
                "name": "Y",
                "position": 1,
                "stddev": 222.107258,
                "variance": 49331.63404
              },
              {
                "average": -15.52784001,
                "count": 685189,
                "maximum": -8.119203634,
                "minimum": -39.51920363,
                "name": "Z",
                "position": 2,
                "stddev": 8.832119561,
                "variance": 78.00633594
              },
              {
                "average": 114.1486116,
                "count": 685189,
                "maximum": 5668,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 231.462062,
                "variance": 53574.68614
              },
              {
                "average": 1.001970259,
                "count": 685189,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04437678623,
                "variance": 0.001969299156
              },
              {
                "average": 1.002969983,
                "count": 685189,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05479079924,
                "variance": 0.003002031681
              },
              {
                "average": 1,
                "count": 685189,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 685189,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 685189,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.0358647,
                "count": 685189,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.272152109,
                "variance": 68.42850052
              },
              {
                "average": 162.2538292,
                "count": 685189,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 87.1255021,
                "variance": 7590.853116
              },
              {
                "average": 9.400451554,
                "count": 685189,
                "maximum": 22,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.446562189,
                "variance": 19.7719153
              },
              {
                "average": 64052738.79,
                "count": 685189,
                "maximum": 64090493.01,
                "minimum": 63762879.83,
                "name": "GpsTime",
                "position": 12,
                "stddev": 101116.8623,
                "variance": 10224619840.0
              },
              {
                "average": 0,
                "count": 685189,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 685189,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 685189,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 685189,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 685189,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8249,
              2379998.493,
              -39.51920363,
              623959.5849,
              2380998.473,
              -8.119203634
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.824856324,
                    2379998.493075378,
                    -39.519203633628386
                  ],
                  [
                    622999.824856324,
                    2380998.473075378,
                    -39.519203633628386
                  ],
                  [
                    623959.584856324,
                    2380998.473075378,
                    -8.119203633628386
                  ],
                  [
                    623959.584856324,
                    2379998.493075378,
                    -8.119203633628386
                  ],
                  [
                    622999.824856324,
                    2379998.493075378,
                    -39.519203633628386
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:41:33+00:00",
            "end_time": "2013-09-21T01:41:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2974.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75495212816514,
              21.463858743643364,
              -47.225732638431964
            ],
            [
              -157.75488996319248,
              21.4711725875108,
              -47.225732638431964
            ],
            [
              -157.74523969704288,
              21.47110044522171,
              -15.20573263843196
            ],
            [
              -157.74530234469148,
              21.46378662815868,
              -15.20573263843196
            ],
            [
              -157.75495212816514,
              21.463858743643364,
              -47.225732638431964
            ]
          ]
        ]
      },
      "bbox": [
        -157.7549521,
        21.46378663,
        -47.22573264,
        -157.7452397,
        21.47117259,
        -15.20573264
      ],
      "properties": {
        "datetime": "2013-09-21T02:22:38Z",
        "pc:count": 407463,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629488.4216,
            "count": 407463,
            "maximum": 629999.8533,
            "minimum": 628999.8533,
            "name": "X",
            "position": 0,
            "stddev": 295.321495,
            "variance": 87214.78544
          },
          {
            "average": 2374280.066,
            "count": 407463,
            "maximum": 2374808.153,
            "minimum": 2373998.473,
            "name": "Y",
            "position": 1,
            "stddev": 178.5861935,
            "variance": 31893.0285
          },
          {
            "average": -29.72006076,
            "count": 407463,
            "maximum": -15.20573264,
            "minimum": -47.22573264,
            "name": "Z",
            "position": 2,
            "stddev": 5.241506876,
            "variance": 27.47339433
          },
          {
            "average": 357.7984259,
            "count": 407463,
            "maximum": 1059,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 140.1050322,
            "variance": 19629.42003
          },
          {
            "average": 1.000166886,
            "count": 407463,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01291738662,
            "variance": 0.000166858877
          },
          {
            "average": 1.000171795,
            "count": 407463,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01310593941,
            "variance": 0.0001717656478
          },
          {
            "average": 1,
            "count": 407463,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 407463,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 407463,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.41744623,
            "count": 407463,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.331221495,
            "variance": 87.0716946
          },
          {
            "average": 248.7082901,
            "count": 407463,
            "maximum": 251,
            "minimum": 32,
            "name": "UserData",
            "position": 10,
            "stddev": 6.45375485,
            "variance": 41.65095166
          },
          {
            "average": 19.49130841,
            "count": 407463,
            "maximum": 22,
            "minimum": 12,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.027811106,
            "variance": 9.167640096
          },
          {
            "average": 63764662.63,
            "count": 407463,
            "maximum": 63765358,
            "minimum": 63762471.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 802.3499175,
            "variance": 643765.3901
          },
          {
            "average": 0,
            "count": 407463,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 407463,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 407463,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 407463,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 407463,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8533,
          2373998.473,
          -47.22573264,
          629999.8533,
          2374808.153,
          -15.20573264
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8532804818,
                2373998.472501207,
                -47.225732638431964
              ],
              [
                628999.8532804818,
                2374808.152501207,
                -47.225732638431964
              ],
              [
                629999.8532804818,
                2374808.152501207,
                -15.20573263843196
              ],
              [
                629999.8532804818,
                2373998.472501207,
                -15.20573263843196
              ],
              [
                628999.8532804818,
                2373998.472501207,
                -47.225732638431964
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:22:38+00:00",
        "end_time": "2013-09-21T01:34:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2974.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2974.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2974.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2974.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7549521,
            21.46378663,
            -47.22573264,
            -157.7452397,
            21.47117259,
            -15.20573264
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75495212816514,
                  21.463858743643364,
                  -47.225732638431964
                ],
                [
                  -157.75488996319248,
                  21.4711725875108,
                  -47.225732638431964
                ],
                [
                  -157.74523969704288,
                  21.47110044522171,
                  -15.20573263843196
                ],
                [
                  -157.74530234469148,
                  21.46378662815868,
                  -15.20573263843196
                ],
                [
                  -157.75495212816514,
                  21.463858743643364,
                  -47.225732638431964
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2974.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2974.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:22:38Z",
            "pc:count": 407463,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629488.4216,
                "count": 407463,
                "maximum": 629999.8533,
                "minimum": 628999.8533,
                "name": "X",
                "position": 0,
                "stddev": 295.321495,
                "variance": 87214.78544
              },
              {
                "average": 2374280.066,
                "count": 407463,
                "maximum": 2374808.153,
                "minimum": 2373998.473,
                "name": "Y",
                "position": 1,
                "stddev": 178.5861935,
                "variance": 31893.0285
              },
              {
                "average": -29.72006076,
                "count": 407463,
                "maximum": -15.20573264,
                "minimum": -47.22573264,
                "name": "Z",
                "position": 2,
                "stddev": 5.241506876,
                "variance": 27.47339433
              },
              {
                "average": 357.7984259,
                "count": 407463,
                "maximum": 1059,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 140.1050322,
                "variance": 19629.42003
              },
              {
                "average": 1.000166886,
                "count": 407463,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01291738662,
                "variance": 0.000166858877
              },
              {
                "average": 1.000171795,
                "count": 407463,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01310593941,
                "variance": 0.0001717656478
              },
              {
                "average": 1,
                "count": 407463,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 407463,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 407463,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.41744623,
                "count": 407463,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.331221495,
                "variance": 87.0716946
              },
              {
                "average": 248.7082901,
                "count": 407463,
                "maximum": 251,
                "minimum": 32,
                "name": "UserData",
                "position": 10,
                "stddev": 6.45375485,
                "variance": 41.65095166
              },
              {
                "average": 19.49130841,
                "count": 407463,
                "maximum": 22,
                "minimum": 12,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.027811106,
                "variance": 9.167640096
              },
              {
                "average": 63764662.63,
                "count": 407463,
                "maximum": 63765358,
                "minimum": 63762471.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 802.3499175,
                "variance": 643765.3901
              },
              {
                "average": 0,
                "count": 407463,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 407463,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 407463,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 407463,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 407463,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8533,
              2373998.473,
              -47.22573264,
              629999.8533,
              2374808.153,
              -15.20573264
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8532804818,
                    2373998.472501207,
                    -47.225732638431964
                  ],
                  [
                    628999.8532804818,
                    2374808.152501207,
                    -47.225732638431964
                  ],
                  [
                    629999.8532804818,
                    2374808.152501207,
                    -15.20573263843196
                  ],
                  [
                    629999.8532804818,
                    2373998.472501207,
                    -15.20573263843196
                  ],
                  [
                    628999.8532804818,
                    2373998.472501207,
                    -47.225732638431964
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:22:38+00:00",
            "end_time": "2013-09-21T01:34:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2155.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.83351328625514,
              21.292781592246698,
              1.533137583954968
            ],
            [
              -157.83349570477813,
              21.29500978470319,
              1.533137583954968
            ],
            [
              -157.83032465670493,
              21.294987778658374,
              22.27313758395497
            ],
            [
              -157.83034228595596,
              21.29275958874804,
              22.27313758395497
            ],
            [
              -157.83351328625514,
              21.292781592246698,
              1.533137583954968
            ]
          ]
        ]
      },
      "bbox": [
        -157.8335133,
        21.29275959,
        1.533137584,
        -157.8303247,
        21.29500978,
        22.27313758
      ],
      "properties": {
        "datetime": "2013-09-15T10:54:33Z",
        "pc:count": 203722,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621115.878,
            "count": 203722,
            "maximum": 621328.7626,
            "minimum": 620999.7826,
            "name": "X",
            "position": 0,
            "stddev": 77.95279367,
            "variance": 6076.638041
          },
          {
            "average": 2355085.663,
            "count": 203722,
            "maximum": 2355245.102,
            "minimum": 2354998.442,
            "name": "Y",
            "position": 1,
            "stddev": 66.12306746,
            "variance": 4372.26005
          },
          {
            "average": 5.866130682,
            "count": 203722,
            "maximum": 22.27313758,
            "minimum": 1.533137584,
            "name": "Z",
            "position": 2,
            "stddev": 4.252827728,
            "variance": 18.08654369
          },
          {
            "average": 25.91002445,
            "count": 203722,
            "maximum": 771,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.86405501,
            "variance": 2103.511542
          },
          {
            "average": 1.404929266,
            "count": 203722,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7583509647,
            "variance": 0.5750961856
          },
          {
            "average": 1.806093598,
            "count": 203722,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.116632261,
            "variance": 1.246867605
          },
          {
            "average": 1,
            "count": 203722,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 203722,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.224644368,
            "count": 203722,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4173489321,
            "variance": 0.1741801311
          },
          {
            "average": 17.74782303,
            "count": 203722,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.878772285,
            "variance": 15.04487444
          },
          {
            "average": 91.36713757,
            "count": 203722,
            "maximum": 201,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.43380595,
            "variance": 4281.582961
          },
          {
            "average": 1.011844573,
            "count": 203722,
            "maximum": 2,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.1081865799,
            "variance": 0.01170433606
          },
          {
            "average": 63277377.09,
            "count": 203722,
            "maximum": 63277673.31,
            "minimum": 63277369.32,
            "name": "GpsTime",
            "position": 12,
            "stddev": 32.42643129,
            "variance": 1051.473446
          },
          {
            "average": 0,
            "count": 203722,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 203722,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 203722,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 203722,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 203722,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.7826,
          2354998.442,
          1.533137584,
          621328.7626,
          2355245.102,
          22.27313758
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.7825934968,
                2354998.442450709,
                1.533137583954968
              ],
              [
                620999.7825934968,
                2355245.1024507093,
                1.533137583954968
              ],
              [
                621328.7625934968,
                2355245.1024507093,
                22.27313758395497
              ],
              [
                621328.7625934968,
                2354998.442450709,
                22.27313758395497
              ],
              [
                620999.7825934968,
                2354998.442450709,
                1.533137583954968
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T10:54:33+00:00",
        "end_time": "2013-09-15T10:49:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2155.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2155.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2155.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2155.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8335133,
            21.29275959,
            1.533137584,
            -157.8303247,
            21.29500978,
            22.27313758
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.83351328625514,
                  21.292781592246698,
                  1.533137583954968
                ],
                [
                  -157.83349570477813,
                  21.29500978470319,
                  1.533137583954968
                ],
                [
                  -157.83032465670493,
                  21.294987778658374,
                  22.27313758395497
                ],
                [
                  -157.83034228595596,
                  21.29275958874804,
                  22.27313758395497
                ],
                [
                  -157.83351328625514,
                  21.292781592246698,
                  1.533137583954968
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2155.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2155.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T10:54:33Z",
            "pc:count": 203722,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621115.878,
                "count": 203722,
                "maximum": 621328.7626,
                "minimum": 620999.7826,
                "name": "X",
                "position": 0,
                "stddev": 77.95279367,
                "variance": 6076.638041
              },
              {
                "average": 2355085.663,
                "count": 203722,
                "maximum": 2355245.102,
                "minimum": 2354998.442,
                "name": "Y",
                "position": 1,
                "stddev": 66.12306746,
                "variance": 4372.26005
              },
              {
                "average": 5.866130682,
                "count": 203722,
                "maximum": 22.27313758,
                "minimum": 1.533137584,
                "name": "Z",
                "position": 2,
                "stddev": 4.252827728,
                "variance": 18.08654369
              },
              {
                "average": 25.91002445,
                "count": 203722,
                "maximum": 771,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.86405501,
                "variance": 2103.511542
              },
              {
                "average": 1.404929266,
                "count": 203722,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7583509647,
                "variance": 0.5750961856
              },
              {
                "average": 1.806093598,
                "count": 203722,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.116632261,
                "variance": 1.246867605
              },
              {
                "average": 1,
                "count": 203722,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 203722,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.224644368,
                "count": 203722,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4173489321,
                "variance": 0.1741801311
              },
              {
                "average": 17.74782303,
                "count": 203722,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.878772285,
                "variance": 15.04487444
              },
              {
                "average": 91.36713757,
                "count": 203722,
                "maximum": 201,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.43380595,
                "variance": 4281.582961
              },
              {
                "average": 1.011844573,
                "count": 203722,
                "maximum": 2,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.1081865799,
                "variance": 0.01170433606
              },
              {
                "average": 63277377.09,
                "count": 203722,
                "maximum": 63277673.31,
                "minimum": 63277369.32,
                "name": "GpsTime",
                "position": 12,
                "stddev": 32.42643129,
                "variance": 1051.473446
              },
              {
                "average": 0,
                "count": 203722,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 203722,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 203722,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 203722,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 203722,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.7826,
              2354998.442,
              1.533137584,
              621328.7626,
              2355245.102,
              22.27313758
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.7825934968,
                    2354998.442450709,
                    1.533137583954968
                  ],
                  [
                    620999.7825934968,
                    2355245.1024507093,
                    1.533137583954968
                  ],
                  [
                    621328.7625934968,
                    2355245.1024507093,
                    22.27313758395497
                  ],
                  [
                    621328.7625934968,
                    2354998.442450709,
                    22.27313758395497
                  ],
                  [
                    620999.7825934968,
                    2354998.442450709,
                    1.533137583954968
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T10:54:33+00:00",
            "end_time": "2013-09-15T10:49:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3050.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.74707937778638,
              21.25496340092181,
              -20.892960783453397
            ],
            [
              -157.7470703953124,
              21.256025344807448,
              -20.892960783453397
            ],
            [
              -157.74564038566507,
              21.256014709481402,
              -18.332960783453395
            ],
            [
              -157.74564937838315,
              21.254952766178963,
              -18.332960783453395
            ],
            [
              -157.74707937778638,
              21.25496340092181,
              -20.892960783453397
            ]
          ]
        ]
      },
      "bbox": [
        -157.7470794,
        21.25495277,
        -20.89296078,
        -157.7456404,
        21.25602534,
        -18.33296078
      ],
      "properties": {
        "datetime": "2013-09-16T16:36:12Z",
        "pc:count": 12678,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630070.6585,
            "count": 12678,
            "maximum": 630148.2258,
            "minimum": 629999.8258,
            "name": "X",
            "position": 0,
            "stddev": 38.32099136,
            "variance": 1468.498379
          },
          {
            "average": 2350956.639,
            "count": 12678,
            "maximum": 2350998.443,
            "minimum": 2350880.883,
            "name": "Y",
            "position": 1,
            "stddev": 28.06679034,
            "variance": 787.7447198
          },
          {
            "average": -19.32286929,
            "count": 12678,
            "maximum": -18.33296078,
            "minimum": -20.89296078,
            "name": "Z",
            "position": 2,
            "stddev": 0.4221885505,
            "variance": 0.1782431722
          },
          {
            "average": 493.9298785,
            "count": 12678,
            "maximum": 1246,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 291.0680661,
            "variance": 84720.61913
          },
          {
            "average": 1.000315507,
            "count": 12678,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01776041985,
            "variance": 0.0003154325133
          },
          {
            "average": 1.000788768,
            "count": 12678,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0280750416,
            "variance": 0.0007882079609
          },
          {
            "average": 1,
            "count": 12678,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12678,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 12678,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.87804461,
            "count": 12678,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 12.03276119,
            "variance": 144.7873419
          },
          {
            "average": 207.948809,
            "count": 12678,
            "maximum": 250,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 76.13555674,
            "variance": 5796.623
          },
          {
            "average": 19,
            "count": 12678,
            "maximum": 19,
            "minimum": 19,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63384570.76,
            "count": 12678,
            "maximum": 63384572.33,
            "minimum": 63384569.18,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.8667334034,
            "variance": 0.7512267925
          },
          {
            "average": 0,
            "count": 12678,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12678,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12678,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12678,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12678,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8258,
          2350880.883,
          -20.89296078,
          630148.2258,
          2350998.443,
          -18.33296078
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8257741596,
                2350880.882661792,
                -20.892960783453397
              ],
              [
                629999.8257741596,
                2350998.4426617916,
                -20.892960783453397
              ],
              [
                630148.2257741595,
                2350998.4426617916,
                -18.332960783453395
              ],
              [
                630148.2257741595,
                2350880.882661792,
                -18.332960783453395
              ],
              [
                629999.8257741596,
                2350880.882661792,
                -20.892960783453397
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T16:36:12+00:00",
        "end_time": "2013-09-16T16:36:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3050.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3050.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3050.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3050.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7470794,
            21.25495277,
            -20.89296078,
            -157.7456404,
            21.25602534,
            -18.33296078
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.74707937778638,
                  21.25496340092181,
                  -20.892960783453397
                ],
                [
                  -157.7470703953124,
                  21.256025344807448,
                  -20.892960783453397
                ],
                [
                  -157.74564038566507,
                  21.256014709481402,
                  -18.332960783453395
                ],
                [
                  -157.74564937838315,
                  21.254952766178963,
                  -18.332960783453395
                ],
                [
                  -157.74707937778638,
                  21.25496340092181,
                  -20.892960783453397
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3050.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3050.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T16:36:12Z",
            "pc:count": 12678,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630070.6585,
                "count": 12678,
                "maximum": 630148.2258,
                "minimum": 629999.8258,
                "name": "X",
                "position": 0,
                "stddev": 38.32099136,
                "variance": 1468.498379
              },
              {
                "average": 2350956.639,
                "count": 12678,
                "maximum": 2350998.443,
                "minimum": 2350880.883,
                "name": "Y",
                "position": 1,
                "stddev": 28.06679034,
                "variance": 787.7447198
              },
              {
                "average": -19.32286929,
                "count": 12678,
                "maximum": -18.33296078,
                "minimum": -20.89296078,
                "name": "Z",
                "position": 2,
                "stddev": 0.4221885505,
                "variance": 0.1782431722
              },
              {
                "average": 493.9298785,
                "count": 12678,
                "maximum": 1246,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 291.0680661,
                "variance": 84720.61913
              },
              {
                "average": 1.000315507,
                "count": 12678,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01776041985,
                "variance": 0.0003154325133
              },
              {
                "average": 1.000788768,
                "count": 12678,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0280750416,
                "variance": 0.0007882079609
              },
              {
                "average": 1,
                "count": 12678,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12678,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 12678,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.87804461,
                "count": 12678,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 12.03276119,
                "variance": 144.7873419
              },
              {
                "average": 207.948809,
                "count": 12678,
                "maximum": 250,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 76.13555674,
                "variance": 5796.623
              },
              {
                "average": 19,
                "count": 12678,
                "maximum": 19,
                "minimum": 19,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63384570.76,
                "count": 12678,
                "maximum": 63384572.33,
                "minimum": 63384569.18,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.8667334034,
                "variance": 0.7512267925
              },
              {
                "average": 0,
                "count": 12678,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12678,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12678,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12678,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12678,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8258,
              2350880.883,
              -20.89296078,
              630148.2258,
              2350998.443,
              -18.33296078
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8257741596,
                    2350880.882661792,
                    -20.892960783453397
                  ],
                  [
                    629999.8257741596,
                    2350998.4426617916,
                    -20.892960783453397
                  ],
                  [
                    630148.2257741595,
                    2350998.4426617916,
                    -18.332960783453395
                  ],
                  [
                    630148.2257741595,
                    2350880.882661792,
                    -18.332960783453395
                  ],
                  [
                    629999.8257741596,
                    2350880.882661792,
                    -20.892960783453397
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T16:36:12+00:00",
            "end_time": "2013-09-16T16:36:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130924_ncmp_hi_oahu_4qfj2381.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.81233872256203,
              21.527512111318135,
              -44.32442412293266
            ],
            [
              -157.81231007801966,
              21.53103521234864,
              -44.32442412293266
            ],
            [
              -157.8090219649534,
              21.531011772421547,
              -34.244424122932664
            ],
            [
              -157.80905068877448,
              21.527488675608126,
              -34.244424122932664
            ],
            [
              -157.81233872256203,
              21.527512111318135,
              -44.32442412293266
            ]
          ]
        ]
      },
      "bbox": [
        -157.8123387,
        21.52748868,
        -44.32442412,
        -157.809022,
        21.53103521,
        -34.24442412
      ],
      "properties": {
        "datetime": "2013-09-24T19:58:04Z",
        "pc:count": 20249,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 623088.351,
            "count": 20249,
            "maximum": 623340.4065,
            "minimum": 622999.8265,
            "name": "X",
            "position": 0,
            "stddev": 58.9814694,
            "variance": 3478.813732
          },
          {
            "average": 2381121.026,
            "count": 20249,
            "maximum": 2381388.512,
            "minimum": 2380998.492,
            "name": "Y",
            "position": 1,
            "stddev": 95.31410521,
            "variance": 9084.778653
          },
          {
            "average": -39.00073061,
            "count": 20249,
            "maximum": -34.24442412,
            "minimum": -44.32442412,
            "name": "Z",
            "position": 2,
            "stddev": 2.0525532,
            "variance": 4.212974638
          },
          {
            "average": 1158.191466,
            "count": 20249,
            "maximum": 2409,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 356.7138663,
            "variance": 127244.7824
          },
          {
            "average": 1,
            "count": 20249,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 20249,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 20249,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 20249,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 20249,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.357222,
            "count": 20249,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.250042665,
            "variance": 68.06320398
          },
          {
            "average": 249.0011359,
            "count": 20249,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.0336841865,
            "variance": 0.00113462442
          },
          {
            "average": 4.616623043,
            "count": 20249,
            "maximum": 7,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7380298786,
            "variance": 0.5446881017
          },
          {
            "average": 64086861,
            "count": 20249,
            "maximum": 64087884.97,
            "minimum": 64086580.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 328.1353114,
            "variance": 107672.7826
          },
          {
            "average": 0,
            "count": 20249,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 20249,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 20249,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 20249,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 20249,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          622999.8265,
          2380998.492,
          -44.32442412,
          623340.4065,
          2381388.512,
          -34.24442412
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                622999.8264637485,
                2380998.492161218,
                -44.32442412293266
              ],
              [
                622999.8264637485,
                2381388.5121612176,
                -44.32442412293266
              ],
              [
                623340.4064637485,
                2381388.5121612176,
                -34.244424122932664
              ],
              [
                623340.4064637485,
                2380998.492161218,
                -34.244424122932664
              ],
              [
                622999.8264637485,
                2380998.492161218,
                -44.32442412293266
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T19:58:04+00:00",
        "end_time": "2013-09-24T19:36:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130924_ncmp_hi_oahu_4qfj2381.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130924_ncmp_hi_oahu_4qfj2381.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130924_ncmp_hi_oahu_4qfj2381.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130924_ncmp_hi_oahu_4qfj2381.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8123387,
            21.52748868,
            -44.32442412,
            -157.809022,
            21.53103521,
            -34.24442412
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.81233872256203,
                  21.527512111318135,
                  -44.32442412293266
                ],
                [
                  -157.81231007801966,
                  21.53103521234864,
                  -44.32442412293266
                ],
                [
                  -157.8090219649534,
                  21.531011772421547,
                  -34.244424122932664
                ],
                [
                  -157.80905068877448,
                  21.527488675608126,
                  -34.244424122932664
                ],
                [
                  -157.81233872256203,
                  21.527512111318135,
                  -44.32442412293266
                ]
              ]
            ]
          },
          "id": "20130924_ncmp_hi_oahu_4qfj2381.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130924_ncmp_hi_oahu_4qfj2381.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T19:58:04Z",
            "pc:count": 20249,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 623088.351,
                "count": 20249,
                "maximum": 623340.4065,
                "minimum": 622999.8265,
                "name": "X",
                "position": 0,
                "stddev": 58.9814694,
                "variance": 3478.813732
              },
              {
                "average": 2381121.026,
                "count": 20249,
                "maximum": 2381388.512,
                "minimum": 2380998.492,
                "name": "Y",
                "position": 1,
                "stddev": 95.31410521,
                "variance": 9084.778653
              },
              {
                "average": -39.00073061,
                "count": 20249,
                "maximum": -34.24442412,
                "minimum": -44.32442412,
                "name": "Z",
                "position": 2,
                "stddev": 2.0525532,
                "variance": 4.212974638
              },
              {
                "average": 1158.191466,
                "count": 20249,
                "maximum": 2409,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 356.7138663,
                "variance": 127244.7824
              },
              {
                "average": 1,
                "count": 20249,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 20249,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 20249,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 20249,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 20249,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.357222,
                "count": 20249,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.250042665,
                "variance": 68.06320398
              },
              {
                "average": 249.0011359,
                "count": 20249,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.0336841865,
                "variance": 0.00113462442
              },
              {
                "average": 4.616623043,
                "count": 20249,
                "maximum": 7,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7380298786,
                "variance": 0.5446881017
              },
              {
                "average": 64086861,
                "count": 20249,
                "maximum": 64087884.97,
                "minimum": 64086580.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 328.1353114,
                "variance": 107672.7826
              },
              {
                "average": 0,
                "count": 20249,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 20249,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 20249,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 20249,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 20249,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              622999.8265,
              2380998.492,
              -44.32442412,
              623340.4065,
              2381388.512,
              -34.24442412
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    622999.8264637485,
                    2380998.492161218,
                    -44.32442412293266
                  ],
                  [
                    622999.8264637485,
                    2381388.5121612176,
                    -44.32442412293266
                  ],
                  [
                    623340.4064637485,
                    2381388.5121612176,
                    -34.244424122932664
                  ],
                  [
                    623340.4064637485,
                    2380998.492161218,
                    -34.244424122932664
                  ],
                  [
                    622999.8264637485,
                    2380998.492161218,
                    -44.32442412293266
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T19:58:04+00:00",
            "end_time": "2013-09-24T19:36:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2448.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.80092884178336,
              21.2378938795131,
              -43.31857815798273
            ],
            [
              -157.80092518297607,
              21.23834627267976,
              -43.31857815798273
            ],
            [
              -157.80043802561002,
              21.238342809114652,
              -39.27857815798272
            ],
            [
              -157.80044168590274,
              21.237890416028737,
              -39.27857815798272
            ],
            [
              -157.80092884178336,
              21.2378938795131,
              -43.31857815798273
            ]
          ]
        ]
      },
      "bbox": [
        -157.8009288,
        21.23789042,
        -43.31857816,
        -157.800438,
        21.23834627,
        -39.27857816
      ],
      "properties": {
        "datetime": "2013-09-15T12:41:14Z",
        "pc:count": 119,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 624448.2222,
            "count": 119,
            "maximum": 624476.817,
            "minimum": 624426.257,
            "name": "X",
            "position": 0,
            "stddev": 11.96624836,
            "variance": 143.1910997
          },
          {
            "average": 2348978.834,
            "count": 119,
            "maximum": 2348998.118,
            "minimum": 2348948.038,
            "name": "Y",
            "position": 1,
            "stddev": 13.25062344,
            "variance": 175.5790214
          },
          {
            "average": -40.80622522,
            "count": 119,
            "maximum": -39.27857816,
            "minimum": -43.31857816,
            "name": "Z",
            "position": 2,
            "stddev": 0.9415464253,
            "variance": 0.886509671
          },
          {
            "average": 33.40336134,
            "count": 119,
            "maximum": 634,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 133.0295825,
            "variance": 17696.86982
          },
          {
            "average": 1,
            "count": 119,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 119,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 119,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 119,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 119,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.01684035,
            "count": 119,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.68891474,
            "variance": 59.11940988
          },
          {
            "average": 249.0252101,
            "count": 119,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1574255204,
            "variance": 0.02478279447
          },
          {
            "average": 19,
            "count": 119,
            "maximum": 19,
            "minimum": 19,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63284073.97,
            "count": 119,
            "maximum": 63284074.2,
            "minimum": 63284073.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.1712141531,
            "variance": 0.02931428624
          },
          {
            "average": 0,
            "count": 119,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 119,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 119,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 119,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 119,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624426.257,
          2348948.038,
          -43.31857816,
          624476.817,
          2348998.118,
          -39.27857816
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624426.256951065,
                2348948.0382335754,
                -43.31857815798273
              ],
              [
                624426.256951065,
                2348998.1182335755,
                -43.31857815798273
              ],
              [
                624476.8169510651,
                2348998.1182335755,
                -39.27857815798272
              ],
              [
                624476.8169510651,
                2348948.0382335754,
                -39.27857815798272
              ],
              [
                624426.256951065,
                2348948.0382335754,
                -43.31857815798273
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-15T12:41:14+00:00",
        "end_time": "2013-09-15T12:41:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2448.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2448.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2448.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2448.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8009288,
            21.23789042,
            -43.31857816,
            -157.800438,
            21.23834627,
            -39.27857816
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.80092884178336,
                  21.2378938795131,
                  -43.31857815798273
                ],
                [
                  -157.80092518297607,
                  21.23834627267976,
                  -43.31857815798273
                ],
                [
                  -157.80043802561002,
                  21.238342809114652,
                  -39.27857815798272
                ],
                [
                  -157.80044168590274,
                  21.237890416028737,
                  -39.27857815798272
                ],
                [
                  -157.80092884178336,
                  21.2378938795131,
                  -43.31857815798273
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2448.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2448.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-15T12:41:14Z",
            "pc:count": 119,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 624448.2222,
                "count": 119,
                "maximum": 624476.817,
                "minimum": 624426.257,
                "name": "X",
                "position": 0,
                "stddev": 11.96624836,
                "variance": 143.1910997
              },
              {
                "average": 2348978.834,
                "count": 119,
                "maximum": 2348998.118,
                "minimum": 2348948.038,
                "name": "Y",
                "position": 1,
                "stddev": 13.25062344,
                "variance": 175.5790214
              },
              {
                "average": -40.80622522,
                "count": 119,
                "maximum": -39.27857816,
                "minimum": -43.31857816,
                "name": "Z",
                "position": 2,
                "stddev": 0.9415464253,
                "variance": 0.886509671
              },
              {
                "average": 33.40336134,
                "count": 119,
                "maximum": 634,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 133.0295825,
                "variance": 17696.86982
              },
              {
                "average": 1,
                "count": 119,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 119,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 119,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 119,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 119,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.01684035,
                "count": 119,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.68891474,
                "variance": 59.11940988
              },
              {
                "average": 249.0252101,
                "count": 119,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1574255204,
                "variance": 0.02478279447
              },
              {
                "average": 19,
                "count": 119,
                "maximum": 19,
                "minimum": 19,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63284073.97,
                "count": 119,
                "maximum": 63284074.2,
                "minimum": 63284073.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.1712141531,
                "variance": 0.02931428624
              },
              {
                "average": 0,
                "count": 119,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 119,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 119,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 119,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 119,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624426.257,
              2348948.038,
              -43.31857816,
              624476.817,
              2348998.118,
              -39.27857816
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624426.256951065,
                    2348948.0382335754,
                    -43.31857815798273
                  ],
                  [
                    624426.256951065,
                    2348998.1182335755,
                    -43.31857815798273
                  ],
                  [
                    624476.8169510651,
                    2348998.1182335755,
                    -39.27857815798272
                  ],
                  [
                    624476.8169510651,
                    2348948.0382335754,
                    -39.27857815798272
                  ],
                  [
                    624426.256951065,
                    2348948.0382335754,
                    -43.31857815798273
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-15T12:41:14+00:00",
            "end_time": "2013-09-15T12:41:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2653.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78281026098773,
              21.274354832981786,
              2.639284788945412
            ],
            [
              -157.7827958504785,
              21.27610675193261,
              2.639284788945412
            ],
            [
              -157.7758155225323,
              21.27605616396276,
              29.619284788945414
            ],
            [
              -157.77583001553808,
              21.274304249881524,
              29.619284788945414
            ],
            [
              -157.78281026098773,
              21.274354832981786,
              2.639284788945412
            ]
          ]
        ]
      },
      "bbox": [
        -157.7828103,
        21.27430425,
        2.639284789,
        -157.7758155,
        21.27610675,
        29.61928479
      ],
      "properties": {
        "datetime": "2013-09-16T16:14:46Z",
        "pc:count": 232024,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626750.9635,
            "count": 232024,
            "maximum": 626999.7993,
            "minimum": 626275.5193,
            "name": "X",
            "position": 0,
            "stddev": 176.5242815,
            "variance": 31160.82198
          },
          {
            "average": 2353074.279,
            "count": 232024,
            "maximum": 2353192.373,
            "minimum": 2352998.433,
            "name": "Y",
            "position": 1,
            "stddev": 57.35682663,
            "variance": 3289.805561
          },
          {
            "average": 7.263523531,
            "count": 232024,
            "maximum": 29.61928479,
            "minimum": 2.639284789,
            "name": "Z",
            "position": 2,
            "stddev": 3.781719904,
            "variance": 14.30140543
          },
          {
            "average": 21.87605593,
            "count": 232024,
            "maximum": 1095,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 31.04289964,
            "variance": 963.6616181
          },
          {
            "average": 1.349739682,
            "count": 232024,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7242869819,
            "variance": 0.5245916322
          },
          {
            "average": 1.702552322,
            "count": 232024,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.07111419,
            "variance": 1.147285608
          },
          {
            "average": 1,
            "count": 232024,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 232024,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.323888908,
            "count": 232024,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4679592152,
            "variance": 0.2189858271
          },
          {
            "average": 18.0529153,
            "count": 232024,
            "maximum": 22.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.57550946,
            "variance": 6.63324898
          },
          {
            "average": 91.4788858,
            "count": 232024,
            "maximum": 192,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.1093089,
            "variance": 4239.222105
          },
          {
            "average": 15,
            "count": 232024,
            "maximum": 15,
            "minimum": 15,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63383280.5,
            "count": 232024,
            "maximum": 63383286.68,
            "minimum": 63383272.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3.543343477,
            "variance": 12.55528299
          },
          {
            "average": 0,
            "count": 232024,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 232024,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 232024,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 232024,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 232024,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626275.5193,
          2352998.433,
          2.639284789,
          626999.7993,
          2353192.373,
          29.61928479
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626275.5192730789,
                2352998.432728684,
                2.639284788945412
              ],
              [
                626275.5192730789,
                2353192.3727286845,
                2.639284788945412
              ],
              [
                626999.7992730789,
                2353192.3727286845,
                29.619284788945414
              ],
              [
                626999.7992730789,
                2352998.432728684,
                29.619284788945414
              ],
              [
                626275.5192730789,
                2352998.432728684,
                2.639284788945412
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T16:14:46+00:00",
        "end_time": "2013-09-16T16:14:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2653.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2653.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2653.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2653.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7828103,
            21.27430425,
            2.639284789,
            -157.7758155,
            21.27610675,
            29.61928479
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78281026098773,
                  21.274354832981786,
                  2.639284788945412
                ],
                [
                  -157.7827958504785,
                  21.27610675193261,
                  2.639284788945412
                ],
                [
                  -157.7758155225323,
                  21.27605616396276,
                  29.619284788945414
                ],
                [
                  -157.77583001553808,
                  21.274304249881524,
                  29.619284788945414
                ],
                [
                  -157.78281026098773,
                  21.274354832981786,
                  2.639284788945412
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2653.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2653.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T16:14:46Z",
            "pc:count": 232024,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626750.9635,
                "count": 232024,
                "maximum": 626999.7993,
                "minimum": 626275.5193,
                "name": "X",
                "position": 0,
                "stddev": 176.5242815,
                "variance": 31160.82198
              },
              {
                "average": 2353074.279,
                "count": 232024,
                "maximum": 2353192.373,
                "minimum": 2352998.433,
                "name": "Y",
                "position": 1,
                "stddev": 57.35682663,
                "variance": 3289.805561
              },
              {
                "average": 7.263523531,
                "count": 232024,
                "maximum": 29.61928479,
                "minimum": 2.639284789,
                "name": "Z",
                "position": 2,
                "stddev": 3.781719904,
                "variance": 14.30140543
              },
              {
                "average": 21.87605593,
                "count": 232024,
                "maximum": 1095,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 31.04289964,
                "variance": 963.6616181
              },
              {
                "average": 1.349739682,
                "count": 232024,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7242869819,
                "variance": 0.5245916322
              },
              {
                "average": 1.702552322,
                "count": 232024,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.07111419,
                "variance": 1.147285608
              },
              {
                "average": 1,
                "count": 232024,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 232024,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.323888908,
                "count": 232024,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4679592152,
                "variance": 0.2189858271
              },
              {
                "average": 18.0529153,
                "count": 232024,
                "maximum": 22.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.57550946,
                "variance": 6.63324898
              },
              {
                "average": 91.4788858,
                "count": 232024,
                "maximum": 192,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.1093089,
                "variance": 4239.222105
              },
              {
                "average": 15,
                "count": 232024,
                "maximum": 15,
                "minimum": 15,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63383280.5,
                "count": 232024,
                "maximum": 63383286.68,
                "minimum": 63383272.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3.543343477,
                "variance": 12.55528299
              },
              {
                "average": 0,
                "count": 232024,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 232024,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 232024,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 232024,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 232024,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626275.5193,
              2352998.433,
              2.639284789,
              626999.7993,
              2353192.373,
              29.61928479
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626275.5192730789,
                    2352998.432728684,
                    2.639284788945412
                  ],
                  [
                    626275.5192730789,
                    2353192.3727286845,
                    2.639284788945412
                  ],
                  [
                    626999.7992730789,
                    2353192.3727286845,
                    29.619284788945414
                  ],
                  [
                    626999.7992730789,
                    2352998.432728684,
                    29.619284788945414
                  ],
                  [
                    626275.5192730789,
                    2352998.432728684,
                    2.639284788945412
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T16:14:46+00:00",
            "end_time": "2013-09-16T16:14:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2767.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77478012046979,
              21.400769416829938,
              1.978754858743144
            ],
            [
              -157.774704835628,
              21.409802731706193,
              1.978754858743144
            ],
            [
              -157.76505839279417,
              21.40973192213456,
              166.87875485874315
            ],
            [
              -157.76513426817488,
              21.40069864054824,
              166.87875485874315
            ],
            [
              -157.77478012046979,
              21.400769416829938,
              1.978754858743144
            ]
          ]
        ]
      },
      "bbox": [
        -157.7747801,
        21.40069864,
        1.978754859,
        -157.7650584,
        21.40980273,
        166.8787549
      ],
      "properties": {
        "datetime": "2013-09-21T00:33:14Z",
        "pc:count": 10225888,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627484.6363,
            "count": 10225888,
            "maximum": 627999.8403,
            "minimum": 626999.8203,
            "name": "X",
            "position": 0,
            "stddev": 275.0040305,
            "variance": 75627.2168
          },
          {
            "average": 2367490.922,
            "count": 10225888,
            "maximum": 2367998.475,
            "minimum": 2366998.455,
            "name": "Y",
            "position": 1,
            "stddev": 273.2060496,
            "variance": 74641.54552
          },
          {
            "average": 65.89556031,
            "count": 10225888,
            "maximum": 166.8787549,
            "minimum": 1.978754859,
            "name": "Z",
            "position": 2,
            "stddev": 35.44818074,
            "variance": 1256.573518
          },
          {
            "average": 7.7319955,
            "count": 10225888,
            "maximum": 686,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 17.80315752,
            "variance": 316.9524176
          },
          {
            "average": 2.053799533,
            "count": 10225888,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.151779132,
            "variance": 1.326595169
          },
          {
            "average": 3.107483477,
            "count": 10225888,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.497000869,
            "variance": 2.241011602
          },
          {
            "average": 1,
            "count": 10225888,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10225888,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.09204032,
            "count": 10225888,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2890828728,
            "variance": 0.08356890736
          },
          {
            "average": 20.15556983,
            "count": 10225888,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.084589313,
            "variance": 4.345512605
          },
          {
            "average": 91.31870934,
            "count": 10225888,
            "maximum": 202,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.96580875,
            "variance": 4484.419541
          },
          {
            "average": 6.65216967,
            "count": 10225888,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.470064375,
            "variance": 12.04134676
          },
          {
            "average": 63748428.04,
            "count": 10225888,
            "maximum": 63758794.16,
            "minimum": 63743070.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5929.445074,
            "variance": 35158318.88
          },
          {
            "average": 0,
            "count": 10225888,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10225888,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10225888,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10225888,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10225888,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.8203,
          2366998.455,
          1.978754859,
          627999.8403,
          2367998.475,
          166.8787549
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.820273136,
                2366998.4546209946,
                1.978754858743144
              ],
              [
                626999.820273136,
                2367998.474620994,
                1.978754858743144
              ],
              [
                627999.840273136,
                2367998.474620994,
                166.87875485874315
              ],
              [
                627999.840273136,
                2366998.4546209946,
                166.87875485874315
              ],
              [
                626999.820273136,
                2366998.4546209946,
                1.978754858743144
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:33:14+00:00",
        "end_time": "2013-09-20T20:11:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2767.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2767.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2767.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2767.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7747801,
            21.40069864,
            1.978754859,
            -157.7650584,
            21.40980273,
            166.8787549
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77478012046979,
                  21.400769416829938,
                  1.978754858743144
                ],
                [
                  -157.774704835628,
                  21.409802731706193,
                  1.978754858743144
                ],
                [
                  -157.76505839279417,
                  21.40973192213456,
                  166.87875485874315
                ],
                [
                  -157.76513426817488,
                  21.40069864054824,
                  166.87875485874315
                ],
                [
                  -157.77478012046979,
                  21.400769416829938,
                  1.978754858743144
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2767.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2767.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:33:14Z",
            "pc:count": 10225888,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627484.6363,
                "count": 10225888,
                "maximum": 627999.8403,
                "minimum": 626999.8203,
                "name": "X",
                "position": 0,
                "stddev": 275.0040305,
                "variance": 75627.2168
              },
              {
                "average": 2367490.922,
                "count": 10225888,
                "maximum": 2367998.475,
                "minimum": 2366998.455,
                "name": "Y",
                "position": 1,
                "stddev": 273.2060496,
                "variance": 74641.54552
              },
              {
                "average": 65.89556031,
                "count": 10225888,
                "maximum": 166.8787549,
                "minimum": 1.978754859,
                "name": "Z",
                "position": 2,
                "stddev": 35.44818074,
                "variance": 1256.573518
              },
              {
                "average": 7.7319955,
                "count": 10225888,
                "maximum": 686,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 17.80315752,
                "variance": 316.9524176
              },
              {
                "average": 2.053799533,
                "count": 10225888,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.151779132,
                "variance": 1.326595169
              },
              {
                "average": 3.107483477,
                "count": 10225888,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.497000869,
                "variance": 2.241011602
              },
              {
                "average": 1,
                "count": 10225888,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10225888,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.09204032,
                "count": 10225888,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2890828728,
                "variance": 0.08356890736
              },
              {
                "average": 20.15556983,
                "count": 10225888,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.084589313,
                "variance": 4.345512605
              },
              {
                "average": 91.31870934,
                "count": 10225888,
                "maximum": 202,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.96580875,
                "variance": 4484.419541
              },
              {
                "average": 6.65216967,
                "count": 10225888,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.470064375,
                "variance": 12.04134676
              },
              {
                "average": 63748428.04,
                "count": 10225888,
                "maximum": 63758794.16,
                "minimum": 63743070.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5929.445074,
                "variance": 35158318.88
              },
              {
                "average": 0,
                "count": 10225888,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10225888,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10225888,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10225888,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10225888,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.8203,
              2366998.455,
              1.978754859,
              627999.8403,
              2367998.475,
              166.8787549
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.820273136,
                    2366998.4546209946,
                    1.978754858743144
                  ],
                  [
                    626999.820273136,
                    2367998.474620994,
                    1.978754858743144
                  ],
                  [
                    627999.840273136,
                    2367998.474620994,
                    166.87875485874315
                  ],
                  [
                    627999.840273136,
                    2366998.4546209946,
                    166.87875485874315
                  ],
                  [
                    626999.820273136,
                    2366998.4546209946,
                    1.978754858743144
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:33:14+00:00",
            "end_time": "2013-09-20T20:11:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130915_ncmp_hi_oahu_4qfj2551.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.79525220423875,
              21.2563764212711,
              -10.856378023236232
            ],
            [
              -157.79517870991228,
              21.26540996763679,
              -10.856378023236232
            ],
            [
              -157.78554156413475,
              21.265340787487354,
              52.28362197676377
            ],
            [
              -157.78561564586096,
              21.25630727356594,
              52.28362197676377
            ],
            [
              -157.79525220423875,
              21.2563764212711,
              -10.856378023236232
            ]
          ]
        ]
      },
      "bbox": [
        -157.7952522,
        21.25630727,
        -10.85637802,
        -157.7855416,
        21.26540997,
        52.28362198
      ],
      "properties": {
        "datetime": "2013-09-22T18:34:49Z",
        "pc:count": 15706177,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625460.1344,
            "count": 15706177,
            "maximum": 625999.8066,
            "minimum": 624999.7866,
            "name": "X",
            "position": 0,
            "stddev": 284.0138588,
            "variance": 80663.87202
          },
          {
            "average": 2351473.974,
            "count": 15706177,
            "maximum": 2351998.444,
            "minimum": 2350998.424,
            "name": "Y",
            "position": 1,
            "stddev": 281.1702903,
            "variance": 79056.73214
          },
          {
            "average": 13.95233968,
            "count": 15706177,
            "maximum": 52.28362198,
            "minimum": -10.85637802,
            "name": "Z",
            "position": 2,
            "stddev": 11.54314999,
            "variance": 133.2443117
          },
          {
            "average": 19.5505616,
            "count": 15706177,
            "maximum": 8910,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 40.13384878,
            "variance": 1610.725818
          },
          {
            "average": 1.446442759,
            "count": 15706177,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8285012061,
            "variance": 0.6864142486
          },
          {
            "average": 1.897268826,
            "count": 15706177,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.231514864,
            "variance": 1.516628861
          },
          {
            "average": 1,
            "count": 15706177,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15706177,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.855981758,
            "count": 15706177,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.557098212,
            "variance": 91.33812624
          },
          {
            "average": 20.06725227,
            "count": 15706177,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.497318704,
            "variance": 6.236600709
          },
          {
            "average": 91.09346043,
            "count": 15706177,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.29156051,
            "variance": 4394.570995
          },
          {
            "average": 8.567259366,
            "count": 15706177,
            "maximum": 11,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.613492275,
            "variance": 2.603357322
          },
          {
            "average": 63382463.49,
            "count": 15706177,
            "maximum": 63910089.94,
            "minimum": 63279288.94,
            "name": "GpsTime",
            "position": 12,
            "stddev": 96373.62603,
            "variance": 9287875794
          },
          {
            "average": 0,
            "count": 15706177,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15706177,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15706177,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15706177,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 15706177,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.7866,
          2350998.424,
          -10.85637802,
          625999.8066,
          2351998.444,
          52.28362198
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.786626788,
                2350998.4235714506,
                -10.856378023236232
              ],
              [
                624999.786626788,
                2351998.44357145,
                -10.856378023236232
              ],
              [
                625999.806626788,
                2351998.44357145,
                52.28362197676377
              ],
              [
                625999.806626788,
                2350998.4235714506,
                52.28362197676377
              ],
              [
                624999.786626788,
                2350998.4235714506,
                -10.856378023236232
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:34:49+00:00",
        "end_time": "2013-09-15T11:21:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130915_ncmp_hi_oahu_4qfj2551.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130915_ncmp_hi_oahu_4qfj2551.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130915_ncmp_hi_oahu_4qfj2551.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2551.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7952522,
            21.25630727,
            -10.85637802,
            -157.7855416,
            21.26540997,
            52.28362198
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.79525220423875,
                  21.2563764212711,
                  -10.856378023236232
                ],
                [
                  -157.79517870991228,
                  21.26540996763679,
                  -10.856378023236232
                ],
                [
                  -157.78554156413475,
                  21.265340787487354,
                  52.28362197676377
                ],
                [
                  -157.78561564586096,
                  21.25630727356594,
                  52.28362197676377
                ],
                [
                  -157.79525220423875,
                  21.2563764212711,
                  -10.856378023236232
                ]
              ]
            ]
          },
          "id": "20130915_ncmp_hi_oahu_4qfj2551.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130915_ncmp_hi_oahu_4qfj2551.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:34:49Z",
            "pc:count": 15706177,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625460.1344,
                "count": 15706177,
                "maximum": 625999.8066,
                "minimum": 624999.7866,
                "name": "X",
                "position": 0,
                "stddev": 284.0138588,
                "variance": 80663.87202
              },
              {
                "average": 2351473.974,
                "count": 15706177,
                "maximum": 2351998.444,
                "minimum": 2350998.424,
                "name": "Y",
                "position": 1,
                "stddev": 281.1702903,
                "variance": 79056.73214
              },
              {
                "average": 13.95233968,
                "count": 15706177,
                "maximum": 52.28362198,
                "minimum": -10.85637802,
                "name": "Z",
                "position": 2,
                "stddev": 11.54314999,
                "variance": 133.2443117
              },
              {
                "average": 19.5505616,
                "count": 15706177,
                "maximum": 8910,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 40.13384878,
                "variance": 1610.725818
              },
              {
                "average": 1.446442759,
                "count": 15706177,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8285012061,
                "variance": 0.6864142486
              },
              {
                "average": 1.897268826,
                "count": 15706177,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.231514864,
                "variance": 1.516628861
              },
              {
                "average": 1,
                "count": 15706177,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15706177,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.855981758,
                "count": 15706177,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.557098212,
                "variance": 91.33812624
              },
              {
                "average": 20.06725227,
                "count": 15706177,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.497318704,
                "variance": 6.236600709
              },
              {
                "average": 91.09346043,
                "count": 15706177,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.29156051,
                "variance": 4394.570995
              },
              {
                "average": 8.567259366,
                "count": 15706177,
                "maximum": 11,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.613492275,
                "variance": 2.603357322
              },
              {
                "average": 63382463.49,
                "count": 15706177,
                "maximum": 63910089.94,
                "minimum": 63279288.94,
                "name": "GpsTime",
                "position": 12,
                "stddev": 96373.62603,
                "variance": 9287875794
              },
              {
                "average": 0,
                "count": 15706177,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15706177,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15706177,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15706177,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 15706177,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.7866,
              2350998.424,
              -10.85637802,
              625999.8066,
              2351998.444,
              52.28362198
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.786626788,
                    2350998.4235714506,
                    -10.856378023236232
                  ],
                  [
                    624999.786626788,
                    2351998.44357145,
                    -10.856378023236232
                  ],
                  [
                    625999.806626788,
                    2351998.44357145,
                    52.28362197676377
                  ],
                  [
                    625999.806626788,
                    2350998.4235714506,
                    52.28362197676377
                  ],
                  [
                    624999.786626788,
                    2350998.4235714506,
                    -10.856378023236232
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:34:49+00:00",
            "end_time": "2013-09-15T11:21:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3154.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73720272830238,
              21.283052893238562,
              1.217105837806564
            ],
            [
              -157.7371632552032,
              21.28767587376924,
              1.217105837806564
            ],
            [
              -157.7275248736734,
              21.287603301775043,
              104.73710583780655
            ],
            [
              -157.72756464796043,
              21.28298033851747,
              104.73710583780655
            ],
            [
              -157.73720272830238,
              21.283052893238562,
              1.217105837806564
            ]
          ]
        ]
      },
      "bbox": [
        -157.7372027,
        21.28298034,
        1.217105838,
        -157.7275249,
        21.28767587,
        104.7371058
      ],
      "properties": {
        "datetime": "2013-09-22T18:19:32Z",
        "pc:count": 1979263,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631654.2591,
            "count": 1979263,
            "maximum": 631999.8798,
            "minimum": 630999.8598,
            "name": "X",
            "position": 0,
            "stddev": 236.839405,
            "variance": 56092.90375
          },
          {
            "average": 2354195.845,
            "count": 1979263,
            "maximum": 2354510.22,
            "minimum": 2353998.44,
            "name": "Y",
            "position": 1,
            "stddev": 121.6078901,
            "variance": 14788.47893
          },
          {
            "average": 39.32348588,
            "count": 1979263,
            "maximum": 104.7371058,
            "minimum": 1.217105838,
            "name": "Z",
            "position": 2,
            "stddev": 30.48397974,
            "variance": 929.2730206
          },
          {
            "average": 15.8872257,
            "count": 1979263,
            "maximum": 1084,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.10734629,
            "variance": 1232.525763
          },
          {
            "average": 1.606714216,
            "count": 1979263,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9159874232,
            "variance": 0.8390329595
          },
          {
            "average": 2.214241867,
            "count": 1979263,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.30500058,
            "variance": 1.703026514
          },
          {
            "average": 1,
            "count": 1979263,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1979263,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.186255187,
            "count": 1979263,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3893125593,
            "variance": 0.1515642688
          },
          {
            "average": 19.97053391,
            "count": 1979263,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.60445695,
            "variance": 12.9921099
          },
          {
            "average": 91.03708047,
            "count": 1979263,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.71188419,
            "variance": 4450.475493
          },
          {
            "average": 8.653715044,
            "count": 1979263,
            "maximum": 13,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.280048675,
            "variance": 27.87891401
          },
          {
            "average": 63585148.94,
            "count": 1979263,
            "maximum": 63909172.47,
            "minimum": 63381860.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 256155.1533,
            "variance": 65615462590.0
          },
          {
            "average": 0,
            "count": 1979263,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1979263,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1979263,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1979263,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1979263,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8598,
          2353998.44,
          1.217105838,
          631999.8798,
          2354510.22,
          104.7371058
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.859830589,
                2353998.44022515,
                1.217105837806564
              ],
              [
                630999.859830589,
                2354510.22022515,
                1.217105837806564
              ],
              [
                631999.879830589,
                2354510.22022515,
                104.73710583780655
              ],
              [
                631999.879830589,
                2353998.44022515,
                104.73710583780655
              ],
              [
                630999.859830589,
                2353998.44022515,
                1.217105837806564
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:19:32+00:00",
        "end_time": "2013-09-16T15:51:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3154.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3154.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3154.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3154.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7372027,
            21.28298034,
            1.217105838,
            -157.7275249,
            21.28767587,
            104.7371058
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73720272830238,
                  21.283052893238562,
                  1.217105837806564
                ],
                [
                  -157.7371632552032,
                  21.28767587376924,
                  1.217105837806564
                ],
                [
                  -157.7275248736734,
                  21.287603301775043,
                  104.73710583780655
                ],
                [
                  -157.72756464796043,
                  21.28298033851747,
                  104.73710583780655
                ],
                [
                  -157.73720272830238,
                  21.283052893238562,
                  1.217105837806564
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3154.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3154.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:19:32Z",
            "pc:count": 1979263,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631654.2591,
                "count": 1979263,
                "maximum": 631999.8798,
                "minimum": 630999.8598,
                "name": "X",
                "position": 0,
                "stddev": 236.839405,
                "variance": 56092.90375
              },
              {
                "average": 2354195.845,
                "count": 1979263,
                "maximum": 2354510.22,
                "minimum": 2353998.44,
                "name": "Y",
                "position": 1,
                "stddev": 121.6078901,
                "variance": 14788.47893
              },
              {
                "average": 39.32348588,
                "count": 1979263,
                "maximum": 104.7371058,
                "minimum": 1.217105838,
                "name": "Z",
                "position": 2,
                "stddev": 30.48397974,
                "variance": 929.2730206
              },
              {
                "average": 15.8872257,
                "count": 1979263,
                "maximum": 1084,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.10734629,
                "variance": 1232.525763
              },
              {
                "average": 1.606714216,
                "count": 1979263,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9159874232,
                "variance": 0.8390329595
              },
              {
                "average": 2.214241867,
                "count": 1979263,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.30500058,
                "variance": 1.703026514
              },
              {
                "average": 1,
                "count": 1979263,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1979263,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.186255187,
                "count": 1979263,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3893125593,
                "variance": 0.1515642688
              },
              {
                "average": 19.97053391,
                "count": 1979263,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.60445695,
                "variance": 12.9921099
              },
              {
                "average": 91.03708047,
                "count": 1979263,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.71188419,
                "variance": 4450.475493
              },
              {
                "average": 8.653715044,
                "count": 1979263,
                "maximum": 13,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.280048675,
                "variance": 27.87891401
              },
              {
                "average": 63585148.94,
                "count": 1979263,
                "maximum": 63909172.47,
                "minimum": 63381860.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 256155.1533,
                "variance": 65615462590.0
              },
              {
                "average": 0,
                "count": 1979263,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1979263,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1979263,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1979263,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1979263,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8598,
              2353998.44,
              1.217105838,
              631999.8798,
              2354510.22,
              104.7371058
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.859830589,
                    2353998.44022515,
                    1.217105837806564
                  ],
                  [
                    630999.859830589,
                    2354510.22022515,
                    1.217105837806564
                  ],
                  [
                    631999.879830589,
                    2354510.22022515,
                    104.73710583780655
                  ],
                  [
                    631999.879830589,
                    2353998.44022515,
                    104.73710583780655
                  ],
                  [
                    630999.859830589,
                    2353998.44022515,
                    1.217105837806564
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:19:32+00:00",
            "end_time": "2013-09-16T15:51:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2666.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78180306502466,
              21.39467116382474,
              55.986532218040324
            ],
            [
              -157.781752130399,
              21.400820402523753,
              55.986532218040324
            ],
            [
              -157.77477997360742,
              21.400769579906353,
              224.0265322180403
            ],
            [
              -157.77483119190177,
              21.39462035841953,
              224.0265322180403
            ],
            [
              -157.78180306502466,
              21.39467116382474,
              55.986532218040324
            ]
          ]
        ]
      },
      "bbox": [
        -157.7818031,
        21.39462036,
        55.98653222,
        -157.77478,
        21.4008204,
        224.0265322
      ],
      "properties": {
        "datetime": "2013-09-21T00:52:22Z",
        "pc:count": 2005134,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626795.0575,
            "count": 2005134,
            "maximum": 626999.8354,
            "minimum": 626276.9954,
            "name": "X",
            "position": 0,
            "stddev": 158.1345663,
            "variance": 25006.54106
          },
          {
            "average": 2366792.848,
            "count": 2005134,
            "maximum": 2366998.473,
            "minimum": 2366317.733,
            "name": "Y",
            "position": 1,
            "stddev": 164.641436,
            "variance": 27106.80245
          },
          {
            "average": 134.6325746,
            "count": 2005134,
            "maximum": 224.0265322,
            "minimum": 55.98653222,
            "name": "Z",
            "position": 2,
            "stddev": 38.33430531,
            "variance": 1469.518963
          },
          {
            "average": 6.287992723,
            "count": 2005134,
            "maximum": 367,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 14.58365094,
            "variance": 212.6828747
          },
          {
            "average": 2.159737454,
            "count": 2005134,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.193174384,
            "variance": 1.42366511
          },
          {
            "average": 3.317435144,
            "count": 2005134,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.526661239,
            "variance": 2.330694538
          },
          {
            "average": 1,
            "count": 2005134,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2005134,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.066592557,
            "count": 2005134,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2493151004,
            "variance": 0.06215801927
          },
          {
            "average": 19.92886289,
            "count": 2005134,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.765143338,
            "variance": 3.115731005
          },
          {
            "average": 85.52850882,
            "count": 2005134,
            "maximum": 201,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.33676121,
            "variance": 4669.912932
          },
          {
            "average": 4.429986225,
            "count": 2005134,
            "maximum": 5,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6534221026,
            "variance": 0.4269604441
          },
          {
            "average": 63759597.28,
            "count": 2005134,
            "maximum": 63759942.52,
            "minimum": 63758789.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 381.1090591,
            "variance": 145244.1149
          },
          {
            "average": 0,
            "count": 2005134,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2005134,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2005134,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2005134,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2005134,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626276.9954,
          2366317.733,
          55.98653222,
          626999.8354,
          2366998.473,
          224.0265322
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626276.9953570992,
                2366317.732791843,
                55.986532218040324
              ],
              [
                626276.9953570992,
                2366998.472791843,
                55.986532218040324
              ],
              [
                626999.8353570993,
                2366998.472791843,
                224.0265322180403
              ],
              [
                626999.8353570993,
                2366317.732791843,
                224.0265322180403
              ],
              [
                626276.9953570992,
                2366317.732791843,
                55.986532218040324
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:52:22+00:00",
        "end_time": "2013-09-21T00:33:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2666.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2666.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2666.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2666.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7818031,
            21.39462036,
            55.98653222,
            -157.77478,
            21.4008204,
            224.0265322
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78180306502466,
                  21.39467116382474,
                  55.986532218040324
                ],
                [
                  -157.781752130399,
                  21.400820402523753,
                  55.986532218040324
                ],
                [
                  -157.77477997360742,
                  21.400769579906353,
                  224.0265322180403
                ],
                [
                  -157.77483119190177,
                  21.39462035841953,
                  224.0265322180403
                ],
                [
                  -157.78180306502466,
                  21.39467116382474,
                  55.986532218040324
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2666.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2666.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:52:22Z",
            "pc:count": 2005134,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626795.0575,
                "count": 2005134,
                "maximum": 626999.8354,
                "minimum": 626276.9954,
                "name": "X",
                "position": 0,
                "stddev": 158.1345663,
                "variance": 25006.54106
              },
              {
                "average": 2366792.848,
                "count": 2005134,
                "maximum": 2366998.473,
                "minimum": 2366317.733,
                "name": "Y",
                "position": 1,
                "stddev": 164.641436,
                "variance": 27106.80245
              },
              {
                "average": 134.6325746,
                "count": 2005134,
                "maximum": 224.0265322,
                "minimum": 55.98653222,
                "name": "Z",
                "position": 2,
                "stddev": 38.33430531,
                "variance": 1469.518963
              },
              {
                "average": 6.287992723,
                "count": 2005134,
                "maximum": 367,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 14.58365094,
                "variance": 212.6828747
              },
              {
                "average": 2.159737454,
                "count": 2005134,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.193174384,
                "variance": 1.42366511
              },
              {
                "average": 3.317435144,
                "count": 2005134,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.526661239,
                "variance": 2.330694538
              },
              {
                "average": 1,
                "count": 2005134,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2005134,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.066592557,
                "count": 2005134,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2493151004,
                "variance": 0.06215801927
              },
              {
                "average": 19.92886289,
                "count": 2005134,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.765143338,
                "variance": 3.115731005
              },
              {
                "average": 85.52850882,
                "count": 2005134,
                "maximum": 201,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.33676121,
                "variance": 4669.912932
              },
              {
                "average": 4.429986225,
                "count": 2005134,
                "maximum": 5,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6534221026,
                "variance": 0.4269604441
              },
              {
                "average": 63759597.28,
                "count": 2005134,
                "maximum": 63759942.52,
                "minimum": 63758789.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 381.1090591,
                "variance": 145244.1149
              },
              {
                "average": 0,
                "count": 2005134,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2005134,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2005134,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2005134,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2005134,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626276.9954,
              2366317.733,
              55.98653222,
              626999.8354,
              2366998.473,
              224.0265322
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626276.9953570992,
                    2366317.732791843,
                    55.986532218040324
                  ],
                  [
                    626276.9953570992,
                    2366998.472791843,
                    55.986532218040324
                  ],
                  [
                    626999.8353570993,
                    2366998.472791843,
                    224.0265322180403
                  ],
                  [
                    626999.8353570993,
                    2366317.732791843,
                    224.0265322180403
                  ],
                  [
                    626276.9953570992,
                    2366317.732791843,
                    55.986532218040324
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:52:22+00:00",
            "end_time": "2013-09-21T00:33:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3051.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.74707046609373,
              21.256025372360714,
              -19.81462028344175
            ],
            [
              -157.74699403611154,
              21.265058574249977,
              -19.81462028344175
            ],
            [
              -157.73735689690508,
              21.26498663673761,
              -12.07462028344175
            ],
            [
              -157.73743391426467,
              21.255953468387844,
              -12.07462028344175
            ],
            [
              -157.74707046609373,
              21.256025372360714,
              -19.81462028344175
            ]
          ]
        ]
      },
      "bbox": [
        -157.7470705,
        21.25595347,
        -19.81462028,
        -157.7373569,
        21.26505857,
        -12.07462028
      ],
      "properties": {
        "datetime": "2013-09-22T20:16:49Z",
        "pc:count": 4212195,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630406.3327,
            "count": 4212195,
            "maximum": 630999.8584,
            "minimum": 629999.8184,
            "name": "X",
            "position": 0,
            "stddev": 295.98982,
            "variance": 87609.97352
          },
          {
            "average": 2351703.101,
            "count": 4212195,
            "maximum": 2351998.446,
            "minimum": 2350998.446,
            "name": "Y",
            "position": 1,
            "stddev": 194.0677618,
            "variance": 37662.29616
          },
          {
            "average": -15.68968356,
            "count": 4212195,
            "maximum": -12.07462028,
            "minimum": -19.81462028,
            "name": "Z",
            "position": 2,
            "stddev": 1.197599911,
            "variance": 1.434245548
          },
          {
            "average": 110.0544113,
            "count": 4212195,
            "maximum": 1310,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 186.7604283,
            "variance": 34879.4576
          },
          {
            "average": 1.000926833,
            "count": 4212195,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03044541853,
            "variance": 0.0009269235095
          },
          {
            "average": 1.001708136,
            "count": 4212195,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04132876836,
            "variance": 0.001708067094
          },
          {
            "average": 1,
            "count": 4212195,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4212195,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4212195,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.82528721,
            "count": 4212195,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.28156635,
            "variance": 39.45807581
          },
          {
            "average": 116.488743,
            "count": 4212195,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 81.90632508,
            "variance": 6708.646088
          },
          {
            "average": 15.8925686,
            "count": 4212195,
            "maximum": 21,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.908474775,
            "variance": 47.72702371
          },
          {
            "average": 63439980.69,
            "count": 4212195,
            "maximum": 63916209.72,
            "minimum": 63378616.1,
            "name": "GpsTime",
            "position": 12,
            "stddev": 163417.2989,
            "variance": 26705213570.0
          },
          {
            "average": 0,
            "count": 4212195,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4212195,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4212195,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4212195,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4212195,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8184,
          2350998.446,
          -19.81462028,
          630999.8584,
          2351998.446,
          -12.07462028
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8184050699,
                2350998.445653581,
                -19.81462028344175
              ],
              [
                629999.8184050699,
                2351998.445653581,
                -19.81462028344175
              ],
              [
                630999.8584050699,
                2351998.445653581,
                -12.07462028344175
              ],
              [
                630999.8584050699,
                2350998.445653581,
                -12.07462028344175
              ],
              [
                629999.8184050699,
                2350998.445653581,
                -19.81462028344175
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:16:49+00:00",
        "end_time": "2013-09-16T14:56:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3051.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3051.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3051.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3051.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7470705,
            21.25595347,
            -19.81462028,
            -157.7373569,
            21.26505857,
            -12.07462028
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.74707046609373,
                  21.256025372360714,
                  -19.81462028344175
                ],
                [
                  -157.74699403611154,
                  21.265058574249977,
                  -19.81462028344175
                ],
                [
                  -157.73735689690508,
                  21.26498663673761,
                  -12.07462028344175
                ],
                [
                  -157.73743391426467,
                  21.255953468387844,
                  -12.07462028344175
                ],
                [
                  -157.74707046609373,
                  21.256025372360714,
                  -19.81462028344175
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3051.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3051.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:16:49Z",
            "pc:count": 4212195,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630406.3327,
                "count": 4212195,
                "maximum": 630999.8584,
                "minimum": 629999.8184,
                "name": "X",
                "position": 0,
                "stddev": 295.98982,
                "variance": 87609.97352
              },
              {
                "average": 2351703.101,
                "count": 4212195,
                "maximum": 2351998.446,
                "minimum": 2350998.446,
                "name": "Y",
                "position": 1,
                "stddev": 194.0677618,
                "variance": 37662.29616
              },
              {
                "average": -15.68968356,
                "count": 4212195,
                "maximum": -12.07462028,
                "minimum": -19.81462028,
                "name": "Z",
                "position": 2,
                "stddev": 1.197599911,
                "variance": 1.434245548
              },
              {
                "average": 110.0544113,
                "count": 4212195,
                "maximum": 1310,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 186.7604283,
                "variance": 34879.4576
              },
              {
                "average": 1.000926833,
                "count": 4212195,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03044541853,
                "variance": 0.0009269235095
              },
              {
                "average": 1.001708136,
                "count": 4212195,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04132876836,
                "variance": 0.001708067094
              },
              {
                "average": 1,
                "count": 4212195,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4212195,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4212195,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.82528721,
                "count": 4212195,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.28156635,
                "variance": 39.45807581
              },
              {
                "average": 116.488743,
                "count": 4212195,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 81.90632508,
                "variance": 6708.646088
              },
              {
                "average": 15.8925686,
                "count": 4212195,
                "maximum": 21,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.908474775,
                "variance": 47.72702371
              },
              {
                "average": 63439980.69,
                "count": 4212195,
                "maximum": 63916209.72,
                "minimum": 63378616.1,
                "name": "GpsTime",
                "position": 12,
                "stddev": 163417.2989,
                "variance": 26705213570.0
              },
              {
                "average": 0,
                "count": 4212195,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4212195,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4212195,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4212195,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4212195,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8184,
              2350998.446,
              -19.81462028,
              630999.8584,
              2351998.446,
              -12.07462028
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8184050699,
                    2350998.445653581,
                    -19.81462028344175
                  ],
                  [
                    629999.8184050699,
                    2351998.445653581,
                    -19.81462028344175
                  ],
                  [
                    630999.8584050699,
                    2351998.445653581,
                    -12.07462028344175
                  ],
                  [
                    630999.8584050699,
                    2350998.445653581,
                    -12.07462028344175
                  ],
                  [
                    629999.8184050699,
                    2350998.445653581,
                    -19.81462028344175
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:16:49+00:00",
            "end_time": "2013-09-16T14:56:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2171.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.83236434046634,
              21.437776365274022,
              10.942805735396036
            ],
            [
              -157.83229612176677,
              21.446349135284112,
              10.942805735396036
            ],
            [
              -157.82264714412432,
              21.446281548183826,
              219.50280573539604
            ],
            [
              -157.82271592467546,
              21.4377088072686,
              219.50280573539604
            ],
            [
              -157.83236434046634,
              21.437776365274022,
              10.942805735396036
            ]
          ]
        ]
      },
      "bbox": [
        -157.8323643,
        21.43770881,
        10.94280574,
        -157.8226471,
        21.44634914,
        219.5028057
      ],
      "properties": {
        "datetime": "2013-09-21T00:50:36Z",
        "pc:count": 4804240,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621668.8163,
            "count": 4804240,
            "maximum": 621999.8062,
            "minimum": 620999.8062,
            "name": "X",
            "position": 0,
            "stddev": 230.1117148,
            "variance": 52951.40129
          },
          {
            "average": 2371692.924,
            "count": 4804240,
            "maximum": 2371998.477,
            "minimum": 2371049.457,
            "name": "Y",
            "position": 1,
            "stddev": 214.719936,
            "variance": 46104.65091
          },
          {
            "average": 91.11363803,
            "count": 4804240,
            "maximum": 219.5028057,
            "minimum": 10.94280574,
            "name": "Z",
            "position": 2,
            "stddev": 37.46100401,
            "variance": 1403.326821
          },
          {
            "average": 6.583159043,
            "count": 4804240,
            "maximum": 789,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.49830771,
            "variance": 240.1975419
          },
          {
            "average": 2.14026027,
            "count": 4804240,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.182861767,
            "variance": 1.399161961
          },
          {
            "average": 3.28031468,
            "count": 4804240,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.501459372,
            "variance": 2.254380246
          },
          {
            "average": 1,
            "count": 4804240,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4804240,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.074345578,
            "count": 4804240,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.262332475,
            "variance": 0.06881832742
          },
          {
            "average": 20.03502694,
            "count": 4804240,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.019755852,
            "variance": 4.079413702
          },
          {
            "average": 90.83406782,
            "count": 4804240,
            "maximum": 205,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.86460931,
            "variance": 4605.605197
          },
          {
            "average": 4.305855453,
            "count": 4804240,
            "maximum": 5,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7644533526,
            "variance": 0.5843889282
          },
          {
            "average": 63759494.46,
            "count": 4804240,
            "maximum": 63759836.61,
            "minimum": 63758276.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 413.3993777,
            "variance": 170899.0455
          },
          {
            "average": 0,
            "count": 4804240,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4804240,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4804240,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4804240,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4804240,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.8062,
          2371049.457,
          10.94280574,
          621999.8062,
          2371998.477,
          219.5028057
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.80618983,
                2371049.4565185537,
                10.942805735396036
              ],
              [
                620999.80618983,
                2371998.476518553,
                10.942805735396036
              ],
              [
                621999.80618983,
                2371998.476518553,
                219.50280573539604
              ],
              [
                621999.80618983,
                2371049.4565185537,
                219.50280573539604
              ],
              [
                620999.80618983,
                2371049.4565185537,
                10.942805735396036
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:50:36+00:00",
        "end_time": "2013-09-21T00:24:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2171.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2171.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2171.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2171.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8323643,
            21.43770881,
            10.94280574,
            -157.8226471,
            21.44634914,
            219.5028057
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.83236434046634,
                  21.437776365274022,
                  10.942805735396036
                ],
                [
                  -157.83229612176677,
                  21.446349135284112,
                  10.942805735396036
                ],
                [
                  -157.82264714412432,
                  21.446281548183826,
                  219.50280573539604
                ],
                [
                  -157.82271592467546,
                  21.4377088072686,
                  219.50280573539604
                ],
                [
                  -157.83236434046634,
                  21.437776365274022,
                  10.942805735396036
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2171.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2171.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:50:36Z",
            "pc:count": 4804240,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621668.8163,
                "count": 4804240,
                "maximum": 621999.8062,
                "minimum": 620999.8062,
                "name": "X",
                "position": 0,
                "stddev": 230.1117148,
                "variance": 52951.40129
              },
              {
                "average": 2371692.924,
                "count": 4804240,
                "maximum": 2371998.477,
                "minimum": 2371049.457,
                "name": "Y",
                "position": 1,
                "stddev": 214.719936,
                "variance": 46104.65091
              },
              {
                "average": 91.11363803,
                "count": 4804240,
                "maximum": 219.5028057,
                "minimum": 10.94280574,
                "name": "Z",
                "position": 2,
                "stddev": 37.46100401,
                "variance": 1403.326821
              },
              {
                "average": 6.583159043,
                "count": 4804240,
                "maximum": 789,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.49830771,
                "variance": 240.1975419
              },
              {
                "average": 2.14026027,
                "count": 4804240,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.182861767,
                "variance": 1.399161961
              },
              {
                "average": 3.28031468,
                "count": 4804240,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.501459372,
                "variance": 2.254380246
              },
              {
                "average": 1,
                "count": 4804240,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4804240,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.074345578,
                "count": 4804240,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.262332475,
                "variance": 0.06881832742
              },
              {
                "average": 20.03502694,
                "count": 4804240,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.019755852,
                "variance": 4.079413702
              },
              {
                "average": 90.83406782,
                "count": 4804240,
                "maximum": 205,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.86460931,
                "variance": 4605.605197
              },
              {
                "average": 4.305855453,
                "count": 4804240,
                "maximum": 5,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7644533526,
                "variance": 0.5843889282
              },
              {
                "average": 63759494.46,
                "count": 4804240,
                "maximum": 63759836.61,
                "minimum": 63758276.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 413.3993777,
                "variance": 170899.0455
              },
              {
                "average": 0,
                "count": 4804240,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4804240,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4804240,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4804240,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4804240,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.8062,
              2371049.457,
              10.94280574,
              621999.8062,
              2371998.477,
              219.5028057
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.80618983,
                    2371049.4565185537,
                    10.942805735396036
                  ],
                  [
                    620999.80618983,
                    2371998.476518553,
                    10.942805735396036
                  ],
                  [
                    621999.80618983,
                    2371998.476518553,
                    219.50280573539604
                  ],
                  [
                    621999.80618983,
                    2371049.4565185537,
                    219.50280573539604
                  ],
                  [
                    620999.80618983,
                    2371049.4565185537,
                    10.942805735396036
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:50:36+00:00",
            "end_time": "2013-09-21T00:24:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3161.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73154385734043,
              21.350924672628814,
              1.410009623748181
            ],
            [
              -157.7315063963709,
              21.35527968363062,
              1.410009623748181
            ],
            [
              -157.72694158745952,
              21.355245140654354,
              45.63000962374818
            ],
            [
              -157.72697918403495,
              21.350890137285553,
              45.63000962374818
            ],
            [
              -157.73154385734043,
              21.350924672628814,
              1.410009623748181
            ]
          ]
        ]
      },
      "bbox": [
        -157.7315439,
        21.35089014,
        1.410009624,
        -157.7269416,
        21.35527968,
        45.63000962
      ],
      "properties": {
        "datetime": "2013-09-21T00:54:06Z",
        "pc:count": 664336,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631851.232,
            "count": 664336,
            "maximum": 631999.8909,
            "minimum": 631526.4909,
            "name": "X",
            "position": 0,
            "stddev": 117.1034965,
            "variance": 13713.22889
          },
          {
            "average": 2361827.087,
            "count": 664336,
            "maximum": 2361998.468,
            "minimum": 2361516.348,
            "name": "Y",
            "position": 1,
            "stddev": 125.0139243,
            "variance": 15628.48126
          },
          {
            "average": 12.89978112,
            "count": 664336,
            "maximum": 45.63000962,
            "minimum": 1.410009624,
            "name": "Z",
            "position": 2,
            "stddev": 7.766009934,
            "variance": 60.3109103
          },
          {
            "average": 27.14708973,
            "count": 664336,
            "maximum": 874,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 38.58412199,
            "variance": 1488.73447
          },
          {
            "average": 1.526206618,
            "count": 664336,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9346002365,
            "variance": 0.8734776021
          },
          {
            "average": 2.051720816,
            "count": 664336,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.402456948,
            "variance": 1.966885491
          },
          {
            "average": 1,
            "count": 664336,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 664336,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.32067207,
            "count": 664336,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4667352797,
            "variance": 0.2178418213
          },
          {
            "average": 20.06006353,
            "count": 664336,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.782624568,
            "variance": 3.177750352
          },
          {
            "average": 91.58730672,
            "count": 664336,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.47107682,
            "variance": 4286.4619
          },
          {
            "average": 4.813824631,
            "count": 664336,
            "maximum": 5,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3892484157,
            "variance": 0.1515143291
          },
          {
            "average": 63759889.84,
            "count": 664336,
            "maximum": 63760046.46,
            "minimum": 63759226.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 315.972702,
            "variance": 99838.74841
          },
          {
            "average": 0,
            "count": 664336,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 664336,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 664336,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 664336,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 664336,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631526.4909,
          2361516.348,
          1.410009624,
          631999.8909,
          2361998.468,
          45.63000962
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631526.4908701985,
                2361516.348439425,
                1.410009623748181
              ],
              [
                631526.4908701985,
                2361998.4684394253,
                1.410009623748181
              ],
              [
                631999.8908701984,
                2361998.4684394253,
                45.63000962374818
              ],
              [
                631999.8908701984,
                2361516.348439425,
                45.63000962374818
              ],
              [
                631526.4908701985,
                2361516.348439425,
                1.410009623748181
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:54:06+00:00",
        "end_time": "2013-09-21T00:40:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3161.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3161.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3161.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3161.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7315439,
            21.35089014,
            1.410009624,
            -157.7269416,
            21.35527968,
            45.63000962
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73154385734043,
                  21.350924672628814,
                  1.410009623748181
                ],
                [
                  -157.7315063963709,
                  21.35527968363062,
                  1.410009623748181
                ],
                [
                  -157.72694158745952,
                  21.355245140654354,
                  45.63000962374818
                ],
                [
                  -157.72697918403495,
                  21.350890137285553,
                  45.63000962374818
                ],
                [
                  -157.73154385734043,
                  21.350924672628814,
                  1.410009623748181
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3161.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3161.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:54:06Z",
            "pc:count": 664336,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631851.232,
                "count": 664336,
                "maximum": 631999.8909,
                "minimum": 631526.4909,
                "name": "X",
                "position": 0,
                "stddev": 117.1034965,
                "variance": 13713.22889
              },
              {
                "average": 2361827.087,
                "count": 664336,
                "maximum": 2361998.468,
                "minimum": 2361516.348,
                "name": "Y",
                "position": 1,
                "stddev": 125.0139243,
                "variance": 15628.48126
              },
              {
                "average": 12.89978112,
                "count": 664336,
                "maximum": 45.63000962,
                "minimum": 1.410009624,
                "name": "Z",
                "position": 2,
                "stddev": 7.766009934,
                "variance": 60.3109103
              },
              {
                "average": 27.14708973,
                "count": 664336,
                "maximum": 874,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 38.58412199,
                "variance": 1488.73447
              },
              {
                "average": 1.526206618,
                "count": 664336,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9346002365,
                "variance": 0.8734776021
              },
              {
                "average": 2.051720816,
                "count": 664336,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.402456948,
                "variance": 1.966885491
              },
              {
                "average": 1,
                "count": 664336,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 664336,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.32067207,
                "count": 664336,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4667352797,
                "variance": 0.2178418213
              },
              {
                "average": 20.06006353,
                "count": 664336,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.782624568,
                "variance": 3.177750352
              },
              {
                "average": 91.58730672,
                "count": 664336,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.47107682,
                "variance": 4286.4619
              },
              {
                "average": 4.813824631,
                "count": 664336,
                "maximum": 5,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3892484157,
                "variance": 0.1515143291
              },
              {
                "average": 63759889.84,
                "count": 664336,
                "maximum": 63760046.46,
                "minimum": 63759226.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 315.972702,
                "variance": 99838.74841
              },
              {
                "average": 0,
                "count": 664336,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 664336,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 664336,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 664336,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 664336,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631526.4909,
              2361516.348,
              1.410009624,
              631999.8909,
              2361998.468,
              45.63000962
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631526.4908701985,
                    2361516.348439425,
                    1.410009623748181
                  ],
                  [
                    631526.4908701985,
                    2361998.4684394253,
                    1.410009623748181
                  ],
                  [
                    631999.8908701984,
                    2361998.4684394253,
                    45.63000962374818
                  ],
                  [
                    631999.8908701984,
                    2361516.348439425,
                    45.63000962374818
                  ],
                  [
                    631526.4908701985,
                    2361516.348439425,
                    1.410009623748181
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:54:06+00:00",
            "end_time": "2013-09-21T00:40:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2872.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.76475427307082,
              21.445864222485618,
              1.122607078107599
            ],
            [
              -157.76467816760245,
              21.454897277114444,
              1.122607078107599
            ],
            [
              -157.75502895053876,
              21.454825748704703,
              118.9226070781076
            ],
            [
              -157.75510565286336,
              21.445792727012872,
              118.9226070781076
            ],
            [
              -157.76475427307082,
              21.445864222485618,
              1.122607078107599
            ]
          ]
        ]
      },
      "bbox": [
        -157.7647543,
        21.44579273,
        1.122607078,
        -157.755029,
        21.45489728,
        118.9226071
      ],
      "properties": {
        "datetime": "2013-09-19T19:32:49Z",
        "pc:count": 6858191,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628536.4475,
            "count": 6858191,
            "maximum": 628999.8449,
            "minimum": 627999.8449,
            "name": "X",
            "position": 0,
            "stddev": 274.5150416,
            "variance": 75358.50809
          },
          {
            "average": 2372470.525,
            "count": 6858191,
            "maximum": 2372998.474,
            "minimum": 2371998.474,
            "name": "Y",
            "position": 1,
            "stddev": 289.4002167,
            "variance": 83752.48542
          },
          {
            "average": 21.63878817,
            "count": 6858191,
            "maximum": 118.9226071,
            "minimum": 1.122607078,
            "name": "Z",
            "position": 2,
            "stddev": 20.31098829,
            "variance": 412.5362452
          },
          {
            "average": 23.82200744,
            "count": 6858191,
            "maximum": 916,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.96645483,
            "variance": 1366.518783
          },
          {
            "average": 1.48714158,
            "count": 6858191,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8742576405,
            "variance": 0.764326422
          },
          {
            "average": 1.974364523,
            "count": 6858191,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.30617495,
            "variance": 1.706093
          },
          {
            "average": 1,
            "count": 6858191,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6858191,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.24065836,
            "count": 6858191,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4274832634,
            "variance": 0.1827419405
          },
          {
            "average": 19.0248388,
            "count": 6858191,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.324900024,
            "variance": 28.35456026
          },
          {
            "average": 91.64500668,
            "count": 6858191,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.37962965,
            "variance": 4274.495974
          },
          {
            "average": 3.037482625,
            "count": 6858191,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.977154327,
            "variance": 3.909139234
          },
          {
            "average": 63594541.95,
            "count": 6858191,
            "maximum": 63654369.55,
            "minimum": 63591864.06,
            "name": "GpsTime",
            "position": 12,
            "stddev": 10368.54478,
            "variance": 107506720.9
          },
          {
            "average": 0,
            "count": 6858191,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6858191,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6858191,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6858191,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6858191,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.8449,
          2371998.474,
          1.122607078,
          628999.8449,
          2372998.474,
          118.9226071
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8448974318,
                2371998.4744534045,
                1.122607078107599
              ],
              [
                627999.8448974318,
                2372998.4744534045,
                1.122607078107599
              ],
              [
                628999.8448974318,
                2372998.4744534045,
                118.9226070781076
              ],
              [
                628999.8448974318,
                2371998.4744534045,
                118.9226070781076
              ],
              [
                627999.8448974318,
                2371998.4744534045,
                1.122607078107599
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:32:49+00:00",
        "end_time": "2013-09-19T02:11:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2872.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2872.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2872.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2872.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7647543,
            21.44579273,
            1.122607078,
            -157.755029,
            21.45489728,
            118.9226071
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.76475427307082,
                  21.445864222485618,
                  1.122607078107599
                ],
                [
                  -157.76467816760245,
                  21.454897277114444,
                  1.122607078107599
                ],
                [
                  -157.75502895053876,
                  21.454825748704703,
                  118.9226070781076
                ],
                [
                  -157.75510565286336,
                  21.445792727012872,
                  118.9226070781076
                ],
                [
                  -157.76475427307082,
                  21.445864222485618,
                  1.122607078107599
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2872.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2872.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:32:49Z",
            "pc:count": 6858191,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628536.4475,
                "count": 6858191,
                "maximum": 628999.8449,
                "minimum": 627999.8449,
                "name": "X",
                "position": 0,
                "stddev": 274.5150416,
                "variance": 75358.50809
              },
              {
                "average": 2372470.525,
                "count": 6858191,
                "maximum": 2372998.474,
                "minimum": 2371998.474,
                "name": "Y",
                "position": 1,
                "stddev": 289.4002167,
                "variance": 83752.48542
              },
              {
                "average": 21.63878817,
                "count": 6858191,
                "maximum": 118.9226071,
                "minimum": 1.122607078,
                "name": "Z",
                "position": 2,
                "stddev": 20.31098829,
                "variance": 412.5362452
              },
              {
                "average": 23.82200744,
                "count": 6858191,
                "maximum": 916,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.96645483,
                "variance": 1366.518783
              },
              {
                "average": 1.48714158,
                "count": 6858191,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8742576405,
                "variance": 0.764326422
              },
              {
                "average": 1.974364523,
                "count": 6858191,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.30617495,
                "variance": 1.706093
              },
              {
                "average": 1,
                "count": 6858191,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6858191,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.24065836,
                "count": 6858191,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4274832634,
                "variance": 0.1827419405
              },
              {
                "average": 19.0248388,
                "count": 6858191,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.324900024,
                "variance": 28.35456026
              },
              {
                "average": 91.64500668,
                "count": 6858191,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.37962965,
                "variance": 4274.495974
              },
              {
                "average": 3.037482625,
                "count": 6858191,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.977154327,
                "variance": 3.909139234
              },
              {
                "average": 63594541.95,
                "count": 6858191,
                "maximum": 63654369.55,
                "minimum": 63591864.06,
                "name": "GpsTime",
                "position": 12,
                "stddev": 10368.54478,
                "variance": 107506720.9
              },
              {
                "average": 0,
                "count": 6858191,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6858191,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6858191,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6858191,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6858191,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.8449,
              2371998.474,
              1.122607078,
              628999.8449,
              2372998.474,
              118.9226071
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8448974318,
                    2371998.4744534045,
                    1.122607078107599
                  ],
                  [
                    627999.8448974318,
                    2372998.4744534045,
                    1.122607078107599
                  ],
                  [
                    628999.8448974318,
                    2372998.4744534045,
                    118.9226070781076
                  ],
                  [
                    628999.8448974318,
                    2371998.4744534045,
                    118.9226070781076
                  ],
                  [
                    627999.8448974318,
                    2371998.4744534045,
                    1.122607078107599
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:32:49+00:00",
            "end_time": "2013-09-19T02:11:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2271.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8227196776228,
              21.437248268116182,
              0.138306692722935
            ],
            [
              -157.8226472032411,
              21.446281524695262,
              0.138306692722935
            ],
            [
              -157.81299812285312,
              21.446213370962422,
              219.45830669272294
            ],
            [
              -157.81307119233463,
              21.437180145774775,
              219.45830669272294
            ],
            [
              -157.8227196776228,
              21.437248268116182,
              0.138306692722935
            ]
          ]
        ]
      },
      "bbox": [
        -157.8227197,
        21.43718015,
        0.1383066927,
        -157.8129981,
        21.44628152,
        219.4583067
      ],
      "properties": {
        "datetime": "2013-09-21T00:50:41Z",
        "pc:count": 10798067,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622486.6477,
            "count": 10798067,
            "maximum": 622999.8201,
            "minimum": 621999.8001,
            "name": "X",
            "position": 0,
            "stddev": 275.6739273,
            "variance": 75996.11417
          },
          {
            "average": 2371468.517,
            "count": 10798067,
            "maximum": 2371998.474,
            "minimum": 2370998.474,
            "name": "Y",
            "position": 1,
            "stddev": 284.6767226,
            "variance": 81040.83641
          },
          {
            "average": 68.00994545,
            "count": 10798067,
            "maximum": 219.4583067,
            "minimum": 0.1383066927,
            "name": "Z",
            "position": 2,
            "stddev": 40.99363347,
            "variance": 1680.477985
          },
          {
            "average": 4.979602275,
            "count": 10798067,
            "maximum": 406,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 8.291794411,
            "variance": 68.75385456
          },
          {
            "average": 2.174512531,
            "count": 10798067,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.182659041,
            "variance": 1.398682406
          },
          {
            "average": 3.349200741,
            "count": 10798067,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.461299335,
            "variance": 2.135395747
          },
          {
            "average": 1,
            "count": 10798067,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10798067,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.049257983,
            "count": 10798067,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.2208890885,
            "variance": 0.04879198944
          },
          {
            "average": 20.07526273,
            "count": 10798067,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.906186663,
            "variance": 3.633547596
          },
          {
            "average": 91.30364148,
            "count": 10798067,
            "maximum": 209,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.06357623,
            "variance": 4632.650409
          },
          {
            "average": 3.453597667,
            "count": 10798067,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.485251159,
            "variance": 6.176473325
          },
          {
            "average": 63757123.71,
            "count": 10798067,
            "maximum": 63759841.73,
            "minimum": 63744363.94,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4197.821615,
            "variance": 17621706.31
          },
          {
            "average": 0,
            "count": 10798067,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10798067,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10798067,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10798067,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10798067,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.8001,
          2370998.474,
          0.1383066927,
          622999.8201,
          2371998.474,
          219.4583067
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.8000829322,
                2370998.4738724343,
                0.138306692722935
              ],
              [
                621999.8000829322,
                2371998.4738724343,
                0.138306692722935
              ],
              [
                622999.8200829322,
                2371998.4738724343,
                219.45830669272294
              ],
              [
                622999.8200829322,
                2370998.4738724343,
                219.45830669272294
              ],
              [
                621999.8000829322,
                2370998.4738724343,
                0.138306692722935
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:50:41+00:00",
        "end_time": "2013-09-20T20:32:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2271.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2271.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2271.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2271.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8227197,
            21.43718015,
            0.1383066927,
            -157.8129981,
            21.44628152,
            219.4583067
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8227196776228,
                  21.437248268116182,
                  0.138306692722935
                ],
                [
                  -157.8226472032411,
                  21.446281524695262,
                  0.138306692722935
                ],
                [
                  -157.81299812285312,
                  21.446213370962422,
                  219.45830669272294
                ],
                [
                  -157.81307119233463,
                  21.437180145774775,
                  219.45830669272294
                ],
                [
                  -157.8227196776228,
                  21.437248268116182,
                  0.138306692722935
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2271.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2271.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:50:41Z",
            "pc:count": 10798067,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622486.6477,
                "count": 10798067,
                "maximum": 622999.8201,
                "minimum": 621999.8001,
                "name": "X",
                "position": 0,
                "stddev": 275.6739273,
                "variance": 75996.11417
              },
              {
                "average": 2371468.517,
                "count": 10798067,
                "maximum": 2371998.474,
                "minimum": 2370998.474,
                "name": "Y",
                "position": 1,
                "stddev": 284.6767226,
                "variance": 81040.83641
              },
              {
                "average": 68.00994545,
                "count": 10798067,
                "maximum": 219.4583067,
                "minimum": 0.1383066927,
                "name": "Z",
                "position": 2,
                "stddev": 40.99363347,
                "variance": 1680.477985
              },
              {
                "average": 4.979602275,
                "count": 10798067,
                "maximum": 406,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 8.291794411,
                "variance": 68.75385456
              },
              {
                "average": 2.174512531,
                "count": 10798067,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.182659041,
                "variance": 1.398682406
              },
              {
                "average": 3.349200741,
                "count": 10798067,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.461299335,
                "variance": 2.135395747
              },
              {
                "average": 1,
                "count": 10798067,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10798067,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.049257983,
                "count": 10798067,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.2208890885,
                "variance": 0.04879198944
              },
              {
                "average": 20.07526273,
                "count": 10798067,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.906186663,
                "variance": 3.633547596
              },
              {
                "average": 91.30364148,
                "count": 10798067,
                "maximum": 209,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.06357623,
                "variance": 4632.650409
              },
              {
                "average": 3.453597667,
                "count": 10798067,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.485251159,
                "variance": 6.176473325
              },
              {
                "average": 63757123.71,
                "count": 10798067,
                "maximum": 63759841.73,
                "minimum": 63744363.94,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4197.821615,
                "variance": 17621706.31
              },
              {
                "average": 0,
                "count": 10798067,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10798067,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10798067,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10798067,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10798067,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.8001,
              2370998.474,
              0.1383066927,
              622999.8201,
              2371998.474,
              219.4583067
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.8000829322,
                    2370998.4738724343,
                    0.138306692722935
                  ],
                  [
                    621999.8000829322,
                    2371998.4738724343,
                    0.138306692722935
                  ],
                  [
                    622999.8200829322,
                    2371998.4738724343,
                    219.45830669272294
                  ],
                  [
                    622999.8200829322,
                    2370998.4738724343,
                    219.45830669272294
                  ],
                  [
                    621999.8000829322,
                    2370998.4738724343,
                    0.138306692722935
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:50:41+00:00",
            "end_time": "2013-09-20T20:32:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2667.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78442563671155,
              21.40083973170337,
              0.725308635153311
            ],
            [
              -157.7843509407749,
              21.40987290033052,
              0.725308635153311
            ],
            [
              -157.77470479051271,
              21.409802636771193,
              227.46530863515332
            ],
            [
              -157.77478007385162,
              21.40076950255777,
              227.46530863515332
            ],
            [
              -157.78442563671155,
              21.40083973170337,
              0.725308635153311
            ]
          ]
        ]
      },
      "bbox": [
        -157.7844256,
        21.4007695,
        0.7253086352,
        -157.7747048,
        21.4098729,
        227.4653086
      ],
      "properties": {
        "datetime": "2013-09-21T00:52:09Z",
        "pc:count": 9300732,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626545.4243,
            "count": 9300732,
            "maximum": 626999.825,
            "minimum": 625999.825,
            "name": "X",
            "position": 0,
            "stddev": 278.694883,
            "variance": 77670.8378
          },
          {
            "average": 2367469.328,
            "count": 9300732,
            "maximum": 2367998.464,
            "minimum": 2366998.464,
            "name": "Y",
            "position": 1,
            "stddev": 267.4252315,
            "variance": 71516.25444
          },
          {
            "average": 90.72216146,
            "count": 9300732,
            "maximum": 227.4653086,
            "minimum": 0.7253086352,
            "name": "Z",
            "position": 2,
            "stddev": 48.99377203,
            "variance": 2400.389697
          },
          {
            "average": 9.410930451,
            "count": 9300732,
            "maximum": 914,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.56360099,
            "variance": 509.1160896
          },
          {
            "average": 2.082005266,
            "count": 9300732,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.183559096,
            "variance": 1.400812135
          },
          {
            "average": 3.164394802,
            "count": 9300732,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.563085165,
            "variance": 2.443235232
          },
          {
            "average": 1,
            "count": 9300732,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9300732,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.10029845,
            "count": 9300732,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.325338586,
            "variance": 0.1058451956
          },
          {
            "average": 20.14482335,
            "count": 9300732,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.000422272,
            "variance": 4.001689266
          },
          {
            "average": 90.23023338,
            "count": 9300732,
            "maximum": 215,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.41359323,
            "variance": 4544.592552
          },
          {
            "average": 3.250588878,
            "count": 9300732,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.859534999,
            "variance": 3.457870411
          },
          {
            "average": 63758152.16,
            "count": 9300732,
            "maximum": 63759929.41,
            "minimum": 63744847.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2815.36825,
            "variance": 7926298.385
          },
          {
            "average": 0,
            "count": 9300732,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9300732,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9300732,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9300732,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9300732,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.825,
          2366998.464,
          0.7253086352,
          626999.825,
          2367998.464,
          227.4653086
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.82503187,
                2366998.4641485037,
                0.725308635153311
              ],
              [
                625999.82503187,
                2367998.4641485037,
                0.725308635153311
              ],
              [
                626999.82503187,
                2367998.4641485037,
                227.46530863515332
              ],
              [
                626999.82503187,
                2366998.4641485037,
                227.46530863515332
              ],
              [
                625999.82503187,
                2366998.4641485037,
                0.725308635153311
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:52:09+00:00",
        "end_time": "2013-09-20T20:40:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2667.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2667.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2667.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2667.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7844256,
            21.4007695,
            0.7253086352,
            -157.7747048,
            21.4098729,
            227.4653086
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78442563671155,
                  21.40083973170337,
                  0.725308635153311
                ],
                [
                  -157.7843509407749,
                  21.40987290033052,
                  0.725308635153311
                ],
                [
                  -157.77470479051271,
                  21.409802636771193,
                  227.46530863515332
                ],
                [
                  -157.77478007385162,
                  21.40076950255777,
                  227.46530863515332
                ],
                [
                  -157.78442563671155,
                  21.40083973170337,
                  0.725308635153311
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2667.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2667.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:52:09Z",
            "pc:count": 9300732,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626545.4243,
                "count": 9300732,
                "maximum": 626999.825,
                "minimum": 625999.825,
                "name": "X",
                "position": 0,
                "stddev": 278.694883,
                "variance": 77670.8378
              },
              {
                "average": 2367469.328,
                "count": 9300732,
                "maximum": 2367998.464,
                "minimum": 2366998.464,
                "name": "Y",
                "position": 1,
                "stddev": 267.4252315,
                "variance": 71516.25444
              },
              {
                "average": 90.72216146,
                "count": 9300732,
                "maximum": 227.4653086,
                "minimum": 0.7253086352,
                "name": "Z",
                "position": 2,
                "stddev": 48.99377203,
                "variance": 2400.389697
              },
              {
                "average": 9.410930451,
                "count": 9300732,
                "maximum": 914,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.56360099,
                "variance": 509.1160896
              },
              {
                "average": 2.082005266,
                "count": 9300732,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.183559096,
                "variance": 1.400812135
              },
              {
                "average": 3.164394802,
                "count": 9300732,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.563085165,
                "variance": 2.443235232
              },
              {
                "average": 1,
                "count": 9300732,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9300732,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.10029845,
                "count": 9300732,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.325338586,
                "variance": 0.1058451956
              },
              {
                "average": 20.14482335,
                "count": 9300732,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.000422272,
                "variance": 4.001689266
              },
              {
                "average": 90.23023338,
                "count": 9300732,
                "maximum": 215,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.41359323,
                "variance": 4544.592552
              },
              {
                "average": 3.250588878,
                "count": 9300732,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.859534999,
                "variance": 3.457870411
              },
              {
                "average": 63758152.16,
                "count": 9300732,
                "maximum": 63759929.41,
                "minimum": 63744847.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2815.36825,
                "variance": 7926298.385
              },
              {
                "average": 0,
                "count": 9300732,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9300732,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9300732,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9300732,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9300732,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.825,
              2366998.464,
              0.7253086352,
              626999.825,
              2367998.464,
              227.4653086
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.82503187,
                    2366998.4641485037,
                    0.725308635153311
                  ],
                  [
                    625999.82503187,
                    2367998.4641485037,
                    0.725308635153311
                  ],
                  [
                    626999.82503187,
                    2367998.4641485037,
                    227.46530863515332
                  ],
                  [
                    626999.82503187,
                    2366998.4641485037,
                    227.46530863515332
                  ],
                  [
                    625999.82503187,
                    2366998.4641485037,
                    0.725308635153311
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:52:09+00:00",
            "end_time": "2013-09-20T20:40:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3162.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7365843654393,
              21.35531783117182,
              1.103299512756607
            ],
            [
              -157.73650695647606,
              21.36435106482472,
              1.103299512756607
            ],
            [
              -157.72686355513576,
              21.364278207861513,
              97.44329951275661
            ],
            [
              -157.72694155822404,
              21.355245007578546,
              97.44329951275661
            ],
            [
              -157.7365843654393,
              21.35531783117182,
              1.103299512756607
            ]
          ]
        ]
      },
      "bbox": [
        -157.7365844,
        21.35524501,
        1.103299513,
        -157.7268636,
        21.36435106,
        97.44329951
      ],
      "properties": {
        "datetime": "2013-09-21T00:54:00Z",
        "pc:count": 10143128,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631565.9783,
            "count": 10143128,
            "maximum": 631999.894,
            "minimum": 630999.874,
            "name": "X",
            "position": 0,
            "stddev": 252.7806112,
            "variance": 63898.03742
          },
          {
            "average": 2362591.583,
            "count": 10143128,
            "maximum": 2362998.474,
            "minimum": 2361998.454,
            "name": "Y",
            "position": 1,
            "stddev": 248.8373488,
            "variance": 61920.02617
          },
          {
            "average": 47.22401695,
            "count": 10143128,
            "maximum": 97.44329951,
            "minimum": 1.103299513,
            "name": "Z",
            "position": 2,
            "stddev": 19.31606342,
            "variance": 373.1103059
          },
          {
            "average": 10.25890573,
            "count": 10143128,
            "maximum": 882,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.48591116,
            "variance": 599.5598452
          },
          {
            "average": 2.206755253,
            "count": 10143128,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.209376652,
            "variance": 1.462591887
          },
          {
            "average": 3.41367308,
            "count": 10143128,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.511285683,
            "variance": 2.283984415
          },
          {
            "average": 1,
            "count": 10143128,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10143128,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.105920974,
            "count": 10143128,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3077364633,
            "variance": 0.09470173082
          },
          {
            "average": 20.15943604,
            "count": 10143128,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.350194698,
            "variance": 5.52341512
          },
          {
            "average": 91.39239128,
            "count": 10143128,
            "maximum": 209,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.27819785,
            "variance": 4526.355906
          },
          {
            "average": 3.323852169,
            "count": 10143128,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.432007875,
            "variance": 2.050646554
          },
          {
            "average": 63758755.89,
            "count": 10143128,
            "maximum": 63760040.69,
            "minimum": 63745402.66,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1652.766373,
            "variance": 2731636.683
          },
          {
            "average": 0,
            "count": 10143128,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10143128,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10143128,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10143128,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10143128,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.874,
          2361998.454,
          1.103299513,
          631999.894,
          2362998.474,
          97.44329951
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8740210508,
                2361998.453732781,
                1.103299512756607
              ],
              [
                630999.8740210508,
                2362998.4737327807,
                1.103299512756607
              ],
              [
                631999.8940210508,
                2362998.4737327807,
                97.44329951275661
              ],
              [
                631999.8940210508,
                2361998.453732781,
                97.44329951275661
              ],
              [
                630999.8740210508,
                2361998.453732781,
                1.103299512756607
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:54:00+00:00",
        "end_time": "2013-09-20T20:50:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3162.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3162.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3162.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3162.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7365844,
            21.35524501,
            1.103299513,
            -157.7268636,
            21.36435106,
            97.44329951
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7365843654393,
                  21.35531783117182,
                  1.103299512756607
                ],
                [
                  -157.73650695647606,
                  21.36435106482472,
                  1.103299512756607
                ],
                [
                  -157.72686355513576,
                  21.364278207861513,
                  97.44329951275661
                ],
                [
                  -157.72694155822404,
                  21.355245007578546,
                  97.44329951275661
                ],
                [
                  -157.7365843654393,
                  21.35531783117182,
                  1.103299512756607
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3162.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3162.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:54:00Z",
            "pc:count": 10143128,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631565.9783,
                "count": 10143128,
                "maximum": 631999.894,
                "minimum": 630999.874,
                "name": "X",
                "position": 0,
                "stddev": 252.7806112,
                "variance": 63898.03742
              },
              {
                "average": 2362591.583,
                "count": 10143128,
                "maximum": 2362998.474,
                "minimum": 2361998.454,
                "name": "Y",
                "position": 1,
                "stddev": 248.8373488,
                "variance": 61920.02617
              },
              {
                "average": 47.22401695,
                "count": 10143128,
                "maximum": 97.44329951,
                "minimum": 1.103299513,
                "name": "Z",
                "position": 2,
                "stddev": 19.31606342,
                "variance": 373.1103059
              },
              {
                "average": 10.25890573,
                "count": 10143128,
                "maximum": 882,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.48591116,
                "variance": 599.5598452
              },
              {
                "average": 2.206755253,
                "count": 10143128,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.209376652,
                "variance": 1.462591887
              },
              {
                "average": 3.41367308,
                "count": 10143128,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.511285683,
                "variance": 2.283984415
              },
              {
                "average": 1,
                "count": 10143128,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10143128,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.105920974,
                "count": 10143128,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3077364633,
                "variance": 0.09470173082
              },
              {
                "average": 20.15943604,
                "count": 10143128,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.350194698,
                "variance": 5.52341512
              },
              {
                "average": 91.39239128,
                "count": 10143128,
                "maximum": 209,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.27819785,
                "variance": 4526.355906
              },
              {
                "average": 3.323852169,
                "count": 10143128,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.432007875,
                "variance": 2.050646554
              },
              {
                "average": 63758755.89,
                "count": 10143128,
                "maximum": 63760040.69,
                "minimum": 63745402.66,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1652.766373,
                "variance": 2731636.683
              },
              {
                "average": 0,
                "count": 10143128,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10143128,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10143128,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10143128,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10143128,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.874,
              2361998.454,
              1.103299513,
              631999.894,
              2362998.474,
              97.44329951
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8740210508,
                    2361998.453732781,
                    1.103299512756607
                  ],
                  [
                    630999.8740210508,
                    2362998.4737327807,
                    1.103299512756607
                  ],
                  [
                    631999.8940210508,
                    2362998.4737327807,
                    97.44329951275661
                  ],
                  [
                    631999.8940210508,
                    2361998.453732781,
                    97.44329951275661
                  ],
                  [
                    630999.8740210508,
                    2361998.453732781,
                    1.103299512756607
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:54:00+00:00",
            "end_time": "2013-09-20T20:50:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2768.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77470483450767,
              21.409802630268292,
              -11.569648280687808
            ],
            [
              -157.77462949849107,
              21.418835754510063,
              -11.569648280687808
            ],
            [
              -157.76498246192378,
              21.4187649116283,
              134.85035171931221
            ],
            [
              -157.76505839168047,
              21.409731820696923,
              134.85035171931221
            ],
            [
              -157.77470483450767,
              21.409802630268292,
              -11.569648280687808
            ]
          ]
        ]
      },
      "bbox": [
        -157.7747048,
        21.40973182,
        -11.56964828,
        -157.7649825,
        21.41883575,
        134.8503517
      ],
      "properties": {
        "datetime": "2013-09-20T20:51:45Z",
        "pc:count": 5013250,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627609.0451,
            "count": 5013250,
            "maximum": 627999.8405,
            "minimum": 626999.8205,
            "name": "X",
            "position": 0,
            "stddev": 267.4691093,
            "variance": 71539.7244
          },
          {
            "average": 2368349.579,
            "count": 5013250,
            "maximum": 2368998.463,
            "minimum": 2367998.463,
            "name": "Y",
            "position": 1,
            "stddev": 249.8757017,
            "variance": 62437.8663
          },
          {
            "average": 31.03482946,
            "count": 5013250,
            "maximum": 134.8503517,
            "minimum": -11.56964828,
            "name": "Z",
            "position": 2,
            "stddev": 31.79680615,
            "variance": 1011.036882
          },
          {
            "average": 15.75249708,
            "count": 5013250,
            "maximum": 6635,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 34.43575268,
            "variance": 1185.821063
          },
          {
            "average": 1.660064828,
            "count": 5013250,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9799587756,
            "variance": 0.960319202
          },
          {
            "average": 2.324075201,
            "count": 5013250,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.408483655,
            "variance": 1.983826206
          },
          {
            "average": 1,
            "count": 5013250,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5013250,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.11779983,
            "count": 5013250,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.159845021,
            "variance": 51.26338072
          },
          {
            "average": 19.87559573,
            "count": 5013250,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.31571004,
            "variance": 5.362512988
          },
          {
            "average": 91.44433731,
            "count": 5013250,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.29913331,
            "variance": 4529.173344
          },
          {
            "average": 5.88078472,
            "count": 5013250,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.578063022,
            "variance": 2.490282903
          },
          {
            "average": 63743017.66,
            "count": 5013250,
            "maximum": 63745505.43,
            "minimum": 63740742.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 935.1488382,
            "variance": 874503.3495
          },
          {
            "average": 0,
            "count": 5013250,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5013250,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5013250,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5013250,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5013250,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.8205,
          2367998.463,
          -11.56964828,
          627999.8405,
          2368998.463,
          134.8503517
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.8204769362,
                2367998.4633930437,
                -11.569648280687808
              ],
              [
                626999.8204769362,
                2368998.4633930437,
                -11.569648280687808
              ],
              [
                627999.8404769362,
                2368998.4633930437,
                134.85035171931221
              ],
              [
                627999.8404769362,
                2367998.4633930437,
                134.85035171931221
              ],
              [
                626999.8204769362,
                2367998.4633930437,
                -11.569648280687808
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:51:45+00:00",
        "end_time": "2013-09-20T19:32:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2768.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2768.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2768.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2768.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7747048,
            21.40973182,
            -11.56964828,
            -157.7649825,
            21.41883575,
            134.8503517
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77470483450767,
                  21.409802630268292,
                  -11.569648280687808
                ],
                [
                  -157.77462949849107,
                  21.418835754510063,
                  -11.569648280687808
                ],
                [
                  -157.76498246192378,
                  21.4187649116283,
                  134.85035171931221
                ],
                [
                  -157.76505839168047,
                  21.409731820696923,
                  134.85035171931221
                ],
                [
                  -157.77470483450767,
                  21.409802630268292,
                  -11.569648280687808
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2768.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2768.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:51:45Z",
            "pc:count": 5013250,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627609.0451,
                "count": 5013250,
                "maximum": 627999.8405,
                "minimum": 626999.8205,
                "name": "X",
                "position": 0,
                "stddev": 267.4691093,
                "variance": 71539.7244
              },
              {
                "average": 2368349.579,
                "count": 5013250,
                "maximum": 2368998.463,
                "minimum": 2367998.463,
                "name": "Y",
                "position": 1,
                "stddev": 249.8757017,
                "variance": 62437.8663
              },
              {
                "average": 31.03482946,
                "count": 5013250,
                "maximum": 134.8503517,
                "minimum": -11.56964828,
                "name": "Z",
                "position": 2,
                "stddev": 31.79680615,
                "variance": 1011.036882
              },
              {
                "average": 15.75249708,
                "count": 5013250,
                "maximum": 6635,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 34.43575268,
                "variance": 1185.821063
              },
              {
                "average": 1.660064828,
                "count": 5013250,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9799587756,
                "variance": 0.960319202
              },
              {
                "average": 2.324075201,
                "count": 5013250,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.408483655,
                "variance": 1.983826206
              },
              {
                "average": 1,
                "count": 5013250,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5013250,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.11779983,
                "count": 5013250,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.159845021,
                "variance": 51.26338072
              },
              {
                "average": 19.87559573,
                "count": 5013250,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.31571004,
                "variance": 5.362512988
              },
              {
                "average": 91.44433731,
                "count": 5013250,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.29913331,
                "variance": 4529.173344
              },
              {
                "average": 5.88078472,
                "count": 5013250,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.578063022,
                "variance": 2.490282903
              },
              {
                "average": 63743017.66,
                "count": 5013250,
                "maximum": 63745505.43,
                "minimum": 63740742.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 935.1488382,
                "variance": 874503.3495
              },
              {
                "average": 0,
                "count": 5013250,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5013250,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5013250,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5013250,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5013250,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.8205,
              2367998.463,
              -11.56964828,
              627999.8405,
              2368998.463,
              134.8503517
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.8204769362,
                    2367998.4633930437,
                    -11.569648280687808
                  ],
                  [
                    626999.8204769362,
                    2368998.4633930437,
                    -11.569648280687808
                  ],
                  [
                    627999.8404769362,
                    2368998.4633930437,
                    134.85035171931221
                  ],
                  [
                    627999.8404769362,
                    2367998.4633930437,
                    134.85035171931221
                  ],
                  [
                    626999.8204769362,
                    2367998.4633930437,
                    -11.569648280687808
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:51:45+00:00",
            "end_time": "2013-09-20T19:32:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3052.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.74699404433818,
              21.265058434464684,
              -15.641259322925329
            ],
            [
              -157.74691757270375,
              21.274091806792157,
              -15.641259322925329
            ],
            [
              -157.7372798458132,
              21.274019835737846,
              65.39874067707467
            ],
            [
              -157.73735690514079,
              21.26498649695324,
              65.39874067707467
            ],
            [
              -157.74699404433818,
              21.265058434464684,
              -15.641259322925329
            ]
          ]
        ]
      },
      "bbox": [
        -157.746994,
        21.2649865,
        -15.64125932,
        -157.7372798,
        21.27409181,
        65.39874068
      ],
      "properties": {
        "datetime": "2013-09-22T20:17:06Z",
        "pc:count": 10834027,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630504.6091,
            "count": 10834027,
            "maximum": 630999.8577,
            "minimum": 629999.8177,
            "name": "X",
            "position": 0,
            "stddev": 291.2457955,
            "variance": 84824.11341
          },
          {
            "average": 2352559.757,
            "count": 10834027,
            "maximum": 2352998.45,
            "minimum": 2351998.43,
            "name": "Y",
            "position": 1,
            "stddev": 267.1250541,
            "variance": 71355.79451
          },
          {
            "average": -9.887086141,
            "count": 10834027,
            "maximum": 65.39874068,
            "minimum": -15.64125932,
            "name": "Z",
            "position": 2,
            "stddev": 3.87357799,
            "variance": 15.00460644
          },
          {
            "average": 34.61406936,
            "count": 10834027,
            "maximum": 5409,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 95.32717938,
            "variance": 9087.271128
          },
          {
            "average": 1.007729074,
            "count": 10834027,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08923380268,
            "variance": 0.007962671541
          },
          {
            "average": 1.01291145,
            "count": 10834027,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1146957697,
            "variance": 0.01315511958
          },
          {
            "average": 1,
            "count": 10834027,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10834027,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.99999742,
            "count": 10834027,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.008506738341,
            "variance": 7.236459721e-05
          },
          {
            "average": 19.80432298,
            "count": 10834027,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.816838678,
            "variance": 14.5682575
          },
          {
            "average": 95.72213241,
            "count": 10834027,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.39656543,
            "variance": 4542.297032
          },
          {
            "average": 10.80783175,
            "count": 10834027,
            "maximum": 27,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.403909204,
            "variance": 19.39441627
          },
          {
            "average": 63883798.62,
            "count": 10834027,
            "maximum": 63916226.26,
            "minimum": 63379351.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 122893.52,
            "variance": 15102817260.0
          },
          {
            "average": 0,
            "count": 10834027,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10834027,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10834027,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10834027,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10834027,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8177,
          2351998.43,
          -15.64125932,
          630999.8577,
          2352998.45,
          65.39874068
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.817674207,
                2351998.4301731633,
                -15.641259322925329
              ],
              [
                629999.817674207,
                2352998.450173163,
                -15.641259322925329
              ],
              [
                630999.8576742071,
                2352998.450173163,
                65.39874067707467
              ],
              [
                630999.8576742071,
                2351998.4301731633,
                65.39874067707467
              ],
              [
                629999.817674207,
                2351998.4301731633,
                -15.641259322925329
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:17:06+00:00",
        "end_time": "2013-09-16T15:09:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3052.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3052.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3052.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3052.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.746994,
            21.2649865,
            -15.64125932,
            -157.7372798,
            21.27409181,
            65.39874068
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.74699404433818,
                  21.265058434464684,
                  -15.641259322925329
                ],
                [
                  -157.74691757270375,
                  21.274091806792157,
                  -15.641259322925329
                ],
                [
                  -157.7372798458132,
                  21.274019835737846,
                  65.39874067707467
                ],
                [
                  -157.73735690514079,
                  21.26498649695324,
                  65.39874067707467
                ],
                [
                  -157.74699404433818,
                  21.265058434464684,
                  -15.641259322925329
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3052.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3052.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:17:06Z",
            "pc:count": 10834027,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630504.6091,
                "count": 10834027,
                "maximum": 630999.8577,
                "minimum": 629999.8177,
                "name": "X",
                "position": 0,
                "stddev": 291.2457955,
                "variance": 84824.11341
              },
              {
                "average": 2352559.757,
                "count": 10834027,
                "maximum": 2352998.45,
                "minimum": 2351998.43,
                "name": "Y",
                "position": 1,
                "stddev": 267.1250541,
                "variance": 71355.79451
              },
              {
                "average": -9.887086141,
                "count": 10834027,
                "maximum": 65.39874068,
                "minimum": -15.64125932,
                "name": "Z",
                "position": 2,
                "stddev": 3.87357799,
                "variance": 15.00460644
              },
              {
                "average": 34.61406936,
                "count": 10834027,
                "maximum": 5409,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 95.32717938,
                "variance": 9087.271128
              },
              {
                "average": 1.007729074,
                "count": 10834027,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08923380268,
                "variance": 0.007962671541
              },
              {
                "average": 1.01291145,
                "count": 10834027,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1146957697,
                "variance": 0.01315511958
              },
              {
                "average": 1,
                "count": 10834027,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10834027,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.99999742,
                "count": 10834027,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.008506738341,
                "variance": 7.236459721e-05
              },
              {
                "average": 19.80432298,
                "count": 10834027,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.816838678,
                "variance": 14.5682575
              },
              {
                "average": 95.72213241,
                "count": 10834027,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.39656543,
                "variance": 4542.297032
              },
              {
                "average": 10.80783175,
                "count": 10834027,
                "maximum": 27,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.403909204,
                "variance": 19.39441627
              },
              {
                "average": 63883798.62,
                "count": 10834027,
                "maximum": 63916226.26,
                "minimum": 63379351.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 122893.52,
                "variance": 15102817260.0
              },
              {
                "average": 0,
                "count": 10834027,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10834027,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10834027,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10834027,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10834027,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8177,
              2351998.43,
              -15.64125932,
              630999.8577,
              2352998.45,
              65.39874068
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.817674207,
                    2351998.4301731633,
                    -15.641259322925329
                  ],
                  [
                    629999.817674207,
                    2352998.450173163,
                    -15.641259322925329
                  ],
                  [
                    630999.8576742071,
                    2352998.450173163,
                    65.39874067707467
                  ],
                  [
                    630999.8576742071,
                    2351998.4301731633,
                    65.39874067707467
                  ],
                  [
                    629999.817674207,
                    2351998.4301731633,
                    -15.641259322925329
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:17:06+00:00",
            "end_time": "2013-09-16T15:09:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2873.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7646781827703,
              21.45489717991875,
              -16.681203788635916
            ],
            [
              -157.7646020369489,
              21.463930406528938,
              -16.681203788635916
            ],
            [
              -157.75495222255032,
              21.463858845345598,
              32.41879621136408
            ],
            [
              -157.75502896571297,
              21.454825651510188,
              32.41879621136408
            ],
            [
              -157.7646781827703,
              21.45489717991875,
              -16.681203788635916
            ]
          ]
        ]
      },
      "bbox": [
        -157.7646782,
        21.45482565,
        -16.68120379,
        -157.7549522,
        21.46393041,
        32.41879621
      ],
      "properties": {
        "datetime": "2013-09-21T01:34:38Z",
        "pc:count": 5061943,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628460.9891,
            "count": 5061943,
            "maximum": 628999.8434,
            "minimum": 627999.8434,
            "name": "X",
            "position": 0,
            "stddev": 294.2455399,
            "variance": 86580.43775
          },
          {
            "average": 2373449.399,
            "count": 5061943,
            "maximum": 2373998.484,
            "minimum": 2372998.464,
            "name": "Y",
            "position": 1,
            "stddev": 290.0088487,
            "variance": 84105.13234
          },
          {
            "average": 2.620330986,
            "count": 5061943,
            "maximum": 32.41879621,
            "minimum": -16.68120379,
            "name": "Z",
            "position": 2,
            "stddev": 9.725828213,
            "variance": 94.59173444
          },
          {
            "average": 30.49888254,
            "count": 5061943,
            "maximum": 7208,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 58.55579996,
            "variance": 3428.781709
          },
          {
            "average": 1.155212534,
            "count": 5061943,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5256325998,
            "variance": 0.2762896299
          },
          {
            "average": 1.309886145,
            "count": 5061943,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8293717225,
            "variance": 0.6878574541
          },
          {
            "average": 1,
            "count": 5061943,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5061943,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.08443062,
            "count": 5061943,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.69453954,
            "variance": 187.5404133
          },
          {
            "average": 19.69348273,
            "count": 5061943,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.688831991,
            "variance": 13.60748146
          },
          {
            "average": 91.8875254,
            "count": 5061943,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.52010584,
            "variance": 4292.88427
          },
          {
            "average": 3.064403926,
            "count": 5061943,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.883712265,
            "variance": 3.548371898
          },
          {
            "average": 63637281.04,
            "count": 5061943,
            "maximum": 63762478.21,
            "minimum": 63591885.74,
            "name": "GpsTime",
            "position": 12,
            "stddev": 42371.67826,
            "variance": 1795359119
          },
          {
            "average": 0,
            "count": 5061943,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5061943,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5061943,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5061943,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5061943,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.8434,
          2372998.464,
          -16.68120379,
          628999.8434,
          2373998.484,
          32.41879621
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8434104909,
                2372998.463681667,
                -16.681203788635916
              ],
              [
                627999.8434104909,
                2373998.4836816667,
                -16.681203788635916
              ],
              [
                628999.8434104909,
                2373998.4836816667,
                32.41879621136408
              ],
              [
                628999.8434104909,
                2372998.463681667,
                32.41879621136408
              ],
              [
                627999.8434104909,
                2372998.463681667,
                -16.681203788635916
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:34:38+00:00",
        "end_time": "2013-09-19T02:11:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2873.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2873.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2873.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2873.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7646782,
            21.45482565,
            -16.68120379,
            -157.7549522,
            21.46393041,
            32.41879621
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7646781827703,
                  21.45489717991875,
                  -16.681203788635916
                ],
                [
                  -157.7646020369489,
                  21.463930406528938,
                  -16.681203788635916
                ],
                [
                  -157.75495222255032,
                  21.463858845345598,
                  32.41879621136408
                ],
                [
                  -157.75502896571297,
                  21.454825651510188,
                  32.41879621136408
                ],
                [
                  -157.7646781827703,
                  21.45489717991875,
                  -16.681203788635916
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2873.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2873.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:34:38Z",
            "pc:count": 5061943,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628460.9891,
                "count": 5061943,
                "maximum": 628999.8434,
                "minimum": 627999.8434,
                "name": "X",
                "position": 0,
                "stddev": 294.2455399,
                "variance": 86580.43775
              },
              {
                "average": 2373449.399,
                "count": 5061943,
                "maximum": 2373998.484,
                "minimum": 2372998.464,
                "name": "Y",
                "position": 1,
                "stddev": 290.0088487,
                "variance": 84105.13234
              },
              {
                "average": 2.620330986,
                "count": 5061943,
                "maximum": 32.41879621,
                "minimum": -16.68120379,
                "name": "Z",
                "position": 2,
                "stddev": 9.725828213,
                "variance": 94.59173444
              },
              {
                "average": 30.49888254,
                "count": 5061943,
                "maximum": 7208,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 58.55579996,
                "variance": 3428.781709
              },
              {
                "average": 1.155212534,
                "count": 5061943,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5256325998,
                "variance": 0.2762896299
              },
              {
                "average": 1.309886145,
                "count": 5061943,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8293717225,
                "variance": 0.6878574541
              },
              {
                "average": 1,
                "count": 5061943,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5061943,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.08443062,
                "count": 5061943,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.69453954,
                "variance": 187.5404133
              },
              {
                "average": 19.69348273,
                "count": 5061943,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.688831991,
                "variance": 13.60748146
              },
              {
                "average": 91.8875254,
                "count": 5061943,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.52010584,
                "variance": 4292.88427
              },
              {
                "average": 3.064403926,
                "count": 5061943,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.883712265,
                "variance": 3.548371898
              },
              {
                "average": 63637281.04,
                "count": 5061943,
                "maximum": 63762478.21,
                "minimum": 63591885.74,
                "name": "GpsTime",
                "position": 12,
                "stddev": 42371.67826,
                "variance": 1795359119
              },
              {
                "average": 0,
                "count": 5061943,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5061943,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5061943,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5061943,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5061943,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.8434,
              2372998.464,
              -16.68120379,
              628999.8434,
              2373998.484,
              32.41879621
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8434104909,
                    2372998.463681667,
                    -16.681203788635916
                  ],
                  [
                    627999.8434104909,
                    2373998.4836816667,
                    -16.681203788635916
                  ],
                  [
                    628999.8434104909,
                    2373998.4836816667,
                    32.41879621136408
                  ],
                  [
                    628999.8434104909,
                    2372998.463681667,
                    32.41879621136408
                  ],
                  [
                    627999.8434104909,
                    2372998.463681667,
                    -16.681203788635916
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:34:38+00:00",
            "end_time": "2013-09-19T02:11:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2172.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.83229614154072,
              21.446349113265885,
              -11.459049558975181
            ],
            [
              -157.8322242210304,
              21.455382390828795,
              -11.459049558975181
            ],
            [
              -157.82257465190224,
              21.455314772687185,
              192.12095044102483
            ],
            [
              -157.82264716389963,
              21.446281526166807,
              192.12095044102483
            ],
            [
              -157.83229614154072,
              21.446349113265885,
              -11.459049558975181
            ]
          ]
        ]
      },
      "bbox": [
        -157.8322961,
        21.44628153,
        -11.45904956,
        -157.8225747,
        21.45538239,
        192.1209504
      ],
      "properties": {
        "datetime": "2013-09-21T00:50:19Z",
        "pc:count": 9910892,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621448.8476,
            "count": 9910892,
            "maximum": 621999.8042,
            "minimum": 620999.8042,
            "name": "X",
            "position": 0,
            "stddev": 280.4202535,
            "variance": 78635.51859
          },
          {
            "average": 2372448.734,
            "count": 9910892,
            "maximum": 2372998.474,
            "minimum": 2371998.474,
            "name": "Y",
            "position": 1,
            "stddev": 265.1763552,
            "variance": 70318.49936
          },
          {
            "average": 78.54707434,
            "count": 9910892,
            "maximum": 192.1209504,
            "minimum": -11.45904956,
            "name": "Z",
            "position": 2,
            "stddev": 40.06228588,
            "variance": 1604.98675
          },
          {
            "average": 6.852363844,
            "count": 9910892,
            "maximum": 4966,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.62548677,
            "variance": 346.9087572
          },
          {
            "average": 2.153706044,
            "count": 9910892,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.190566808,
            "variance": 1.417449324
          },
          {
            "average": 3.30775353,
            "count": 9910892,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.506438629,
            "variance": 2.269357343
          },
          {
            "average": 1,
            "count": 9910892,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9910892,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.307387973,
            "count": 9910892,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.595681575,
            "variance": 6.737562841
          },
          {
            "average": 20.11126806,
            "count": 9910892,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.836552285,
            "variance": 3.372924297
          },
          {
            "average": 91.52536522,
            "count": 9910892,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.85392156,
            "variance": 4604.15467
          },
          {
            "average": 3.014174103,
            "count": 9910892,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.092250091,
            "variance": 4.377510443
          },
          {
            "average": 63757656.04,
            "count": 9910892,
            "maximum": 63759819.46,
            "minimum": 63744383.69,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3278.639733,
            "variance": 10749478.5
          },
          {
            "average": 0,
            "count": 9910892,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9910892,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9910892,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9910892,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9910892,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.8042,
          2371998.474,
          -11.45904956,
          621999.8042,
          2372998.474,
          192.1209504
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.804158771,
                2371998.4740659613,
                -11.459049558975181
              ],
              [
                620999.804158771,
                2372998.4740659613,
                -11.459049558975181
              ],
              [
                621999.804158771,
                2372998.4740659613,
                192.12095044102483
              ],
              [
                621999.804158771,
                2371998.4740659613,
                192.12095044102483
              ],
              [
                620999.804158771,
                2371998.4740659613,
                -11.459049558975181
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:50:19+00:00",
        "end_time": "2013-09-20T20:33:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2172.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2172.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2172.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2172.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8322961,
            21.44628153,
            -11.45904956,
            -157.8225747,
            21.45538239,
            192.1209504
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.83229614154072,
                  21.446349113265885,
                  -11.459049558975181
                ],
                [
                  -157.8322242210304,
                  21.455382390828795,
                  -11.459049558975181
                ],
                [
                  -157.82257465190224,
                  21.455314772687185,
                  192.12095044102483
                ],
                [
                  -157.82264716389963,
                  21.446281526166807,
                  192.12095044102483
                ],
                [
                  -157.83229614154072,
                  21.446349113265885,
                  -11.459049558975181
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2172.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2172.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:50:19Z",
            "pc:count": 9910892,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621448.8476,
                "count": 9910892,
                "maximum": 621999.8042,
                "minimum": 620999.8042,
                "name": "X",
                "position": 0,
                "stddev": 280.4202535,
                "variance": 78635.51859
              },
              {
                "average": 2372448.734,
                "count": 9910892,
                "maximum": 2372998.474,
                "minimum": 2371998.474,
                "name": "Y",
                "position": 1,
                "stddev": 265.1763552,
                "variance": 70318.49936
              },
              {
                "average": 78.54707434,
                "count": 9910892,
                "maximum": 192.1209504,
                "minimum": -11.45904956,
                "name": "Z",
                "position": 2,
                "stddev": 40.06228588,
                "variance": 1604.98675
              },
              {
                "average": 6.852363844,
                "count": 9910892,
                "maximum": 4966,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.62548677,
                "variance": 346.9087572
              },
              {
                "average": 2.153706044,
                "count": 9910892,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.190566808,
                "variance": 1.417449324
              },
              {
                "average": 3.30775353,
                "count": 9910892,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.506438629,
                "variance": 2.269357343
              },
              {
                "average": 1,
                "count": 9910892,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9910892,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.307387973,
                "count": 9910892,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.595681575,
                "variance": 6.737562841
              },
              {
                "average": 20.11126806,
                "count": 9910892,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.836552285,
                "variance": 3.372924297
              },
              {
                "average": 91.52536522,
                "count": 9910892,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.85392156,
                "variance": 4604.15467
              },
              {
                "average": 3.014174103,
                "count": 9910892,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.092250091,
                "variance": 4.377510443
              },
              {
                "average": 63757656.04,
                "count": 9910892,
                "maximum": 63759819.46,
                "minimum": 63744383.69,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3278.639733,
                "variance": 10749478.5
              },
              {
                "average": 0,
                "count": 9910892,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9910892,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9910892,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9910892,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9910892,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.8042,
              2371998.474,
              -11.45904956,
              621999.8042,
              2372998.474,
              192.1209504
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.804158771,
                    2371998.4740659613,
                    -11.459049558975181
                  ],
                  [
                    620999.804158771,
                    2372998.4740659613,
                    -11.459049558975181
                  ],
                  [
                    621999.804158771,
                    2372998.4740659613,
                    192.12095044102483
                  ],
                  [
                    621999.804158771,
                    2371998.4740659613,
                    192.12095044102483
                  ],
                  [
                    620999.804158771,
                    2371998.4740659613,
                    -11.459049558975181
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:50:19+00:00",
            "end_time": "2013-09-20T20:33:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2552.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7924601520332,
              21.26539037083769,
              2.252464262950419
            ],
            [
              -157.7923944057424,
              21.273449380885584,
              2.252464262950419
            ],
            [
              -157.7854754720168,
              21.273399639355922,
              49.81246426295042
            ],
            [
              -157.78554159469618,
              21.26534065015468,
              49.81246426295042
            ],
            [
              -157.7924601520332,
              21.26539037083769,
              2.252464262950419
            ]
          ]
        ]
      },
      "bbox": [
        -157.7924602,
        21.26534065,
        2.252464263,
        -157.7854755,
        21.27344938,
        49.81246426
      ],
      "properties": {
        "datetime": "2013-09-22T18:20:54Z",
        "pc:count": 3175737,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625755.7184,
            "count": 3175737,
            "maximum": 625999.8036,
            "minimum": 625281.8836,
            "name": "X",
            "position": 0,
            "stddev": 168.1644195,
            "variance": 28279.27198
          },
          {
            "average": 2352342.193,
            "count": 3175737,
            "maximum": 2352890.568,
            "minimum": 2351998.428,
            "name": "Y",
            "position": 1,
            "stddev": 256.4538117,
            "variance": 65768.55754
          },
          {
            "average": 9.495425169,
            "count": 3175737,
            "maximum": 49.81246426,
            "minimum": 2.252464263,
            "name": "Z",
            "position": 2,
            "stddev": 4.968026193,
            "variance": 24.68128425
          },
          {
            "average": 24.26454206,
            "count": 3175737,
            "maximum": 1148,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.41221839,
            "variance": 1798.796269
          },
          {
            "average": 1.386173666,
            "count": 3175737,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7535440883,
            "variance": 0.567828693
          },
          {
            "average": 1.777156925,
            "count": 3175737,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.110539523,
            "variance": 1.233298033
          },
          {
            "average": 1,
            "count": 3175737,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3175737,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.120027572,
            "count": 3175737,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3249938259,
            "variance": 0.1056209869
          },
          {
            "average": 19.48321572,
            "count": 3175737,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.228373557,
            "variance": 10.42239582
          },
          {
            "average": 91.4405793,
            "count": 3175737,
            "maximum": 194,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.53570209,
            "variance": 4294.928249
          },
          {
            "average": 9.047484726,
            "count": 3175737,
            "maximum": 15,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.47951874,
            "variance": 30.02512562
          },
          {
            "average": 63570030.09,
            "count": 3175737,
            "maximum": 63909254.89,
            "minimum": 63381381.31,
            "name": "GpsTime",
            "position": 12,
            "stddev": 252222.2164,
            "variance": 63616046470.0
          },
          {
            "average": 0,
            "count": 3175737,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3175737,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3175737,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3175737,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3175737,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625281.8836,
          2351998.428,
          2.252464263,
          625999.8036,
          2352890.568,
          49.81246426
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625281.883572584,
                2351998.428345079,
                2.252464262950419
              ],
              [
                625281.883572584,
                2352890.5683450787,
                2.252464262950419
              ],
              [
                625999.803572584,
                2352890.5683450787,
                49.81246426295042
              ],
              [
                625999.803572584,
                2351998.428345079,
                49.81246426295042
              ],
              [
                625281.883572584,
                2351998.428345079,
                2.252464262950419
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:20:54+00:00",
        "end_time": "2013-09-16T15:43:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2552.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2552.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2552.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2552.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7924602,
            21.26534065,
            2.252464263,
            -157.7854755,
            21.27344938,
            49.81246426
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7924601520332,
                  21.26539037083769,
                  2.252464262950419
                ],
                [
                  -157.7923944057424,
                  21.273449380885584,
                  2.252464262950419
                ],
                [
                  -157.7854754720168,
                  21.273399639355922,
                  49.81246426295042
                ],
                [
                  -157.78554159469618,
                  21.26534065015468,
                  49.81246426295042
                ],
                [
                  -157.7924601520332,
                  21.26539037083769,
                  2.252464262950419
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2552.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2552.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:20:54Z",
            "pc:count": 3175737,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625755.7184,
                "count": 3175737,
                "maximum": 625999.8036,
                "minimum": 625281.8836,
                "name": "X",
                "position": 0,
                "stddev": 168.1644195,
                "variance": 28279.27198
              },
              {
                "average": 2352342.193,
                "count": 3175737,
                "maximum": 2352890.568,
                "minimum": 2351998.428,
                "name": "Y",
                "position": 1,
                "stddev": 256.4538117,
                "variance": 65768.55754
              },
              {
                "average": 9.495425169,
                "count": 3175737,
                "maximum": 49.81246426,
                "minimum": 2.252464263,
                "name": "Z",
                "position": 2,
                "stddev": 4.968026193,
                "variance": 24.68128425
              },
              {
                "average": 24.26454206,
                "count": 3175737,
                "maximum": 1148,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.41221839,
                "variance": 1798.796269
              },
              {
                "average": 1.386173666,
                "count": 3175737,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7535440883,
                "variance": 0.567828693
              },
              {
                "average": 1.777156925,
                "count": 3175737,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.110539523,
                "variance": 1.233298033
              },
              {
                "average": 1,
                "count": 3175737,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3175737,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.120027572,
                "count": 3175737,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3249938259,
                "variance": 0.1056209869
              },
              {
                "average": 19.48321572,
                "count": 3175737,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.228373557,
                "variance": 10.42239582
              },
              {
                "average": 91.4405793,
                "count": 3175737,
                "maximum": 194,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.53570209,
                "variance": 4294.928249
              },
              {
                "average": 9.047484726,
                "count": 3175737,
                "maximum": 15,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.47951874,
                "variance": 30.02512562
              },
              {
                "average": 63570030.09,
                "count": 3175737,
                "maximum": 63909254.89,
                "minimum": 63381381.31,
                "name": "GpsTime",
                "position": 12,
                "stddev": 252222.2164,
                "variance": 63616046470.0
              },
              {
                "average": 0,
                "count": 3175737,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3175737,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3175737,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3175737,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3175737,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625281.8836,
              2351998.428,
              2.252464263,
              625999.8036,
              2352890.568,
              49.81246426
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625281.883572584,
                    2351998.428345079,
                    2.252464262950419
                  ],
                  [
                    625281.883572584,
                    2352890.5683450787,
                    2.252464262950419
                  ],
                  [
                    625999.803572584,
                    2352890.5683450787,
                    49.81246426295042
                  ],
                  [
                    625999.803572584,
                    2351998.428345079,
                    49.81246426295042
                  ],
                  [
                    625281.883572584,
                    2351998.428345079,
                    2.252464262950419
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:20:54+00:00",
            "end_time": "2013-09-16T15:43:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2769.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77462933685356,
              21.418835721535118,
              -14.301529367676316
            ],
            [
              -157.77455389200597,
              21.42786901254514,
              -14.301529367676316
            ],
            [
              -157.7649064408417,
              21.4277981366882,
              26.618470632323685
            ],
            [
              -157.76498249322532,
              21.41876488006655,
              26.618470632323685
            ],
            [
              -157.77462933685356,
              21.418835721535118,
              -14.301529367676316
            ]
          ]
        ]
      },
      "bbox": [
        -157.7746293,
        21.41876488,
        -14.30152937,
        -157.7649064,
        21.42786901,
        26.61847063
      ],
      "properties": {
        "datetime": "2013-09-20T20:01:18Z",
        "pc:count": 1147590,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627567.0123,
            "count": 1147590,
            "maximum": 627999.8373,
            "minimum": 626999.8373,
            "name": "X",
            "position": 0,
            "stddev": 286.6227779,
            "variance": 82152.61682
          },
          {
            "average": 2369641.846,
            "count": 1147590,
            "maximum": 2369998.48,
            "minimum": 2368998.46,
            "name": "Y",
            "position": 1,
            "stddev": 289.2718295,
            "variance": 83678.19135
          },
          {
            "average": -0.7191687946,
            "count": 1147590,
            "maximum": 26.61847063,
            "minimum": -14.30152937,
            "name": "Z",
            "position": 2,
            "stddev": 3.443251547,
            "variance": 11.85598122
          },
          {
            "average": 6.365928598,
            "count": 1147590,
            "maximum": 3564,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.50964112,
            "variance": 380.6260965
          },
          {
            "average": 1.092868533,
            "count": 1147590,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3932588519,
            "variance": 0.1546525246
          },
          {
            "average": 1.187851062,
            "count": 1147590,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6238325453,
            "variance": 0.3891670446
          },
          {
            "average": 1,
            "count": 1147590,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1147590,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 25.3664523,
            "count": 1147590,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.377074185,
            "variance": 87.92952028
          },
          {
            "average": 19.92115467,
            "count": 1147590,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.539624583,
            "variance": 6.449693022
          },
          {
            "average": 94.75513816,
            "count": 1147590,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 74.34687298,
            "variance": 5527.457522
          },
          {
            "average": 1.897845921,
            "count": 1147590,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.8405281552,
            "variance": 0.7064875797
          },
          {
            "average": 63720560.89,
            "count": 1147590,
            "maximum": 63742478.82,
            "minimum": 63659325.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 28856.46332,
            "variance": 832695475.5
          },
          {
            "average": 0,
            "count": 1147590,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1147590,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1147590,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1147590,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1147590,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.8373,
          2368998.46,
          -14.30152937,
          627999.8373,
          2369998.48,
          26.61847063
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.8372598989,
                2368998.4598736987,
                -14.301529367676316
              ],
              [
                626999.8372598989,
                2369998.479873698,
                -14.301529367676316
              ],
              [
                627999.8372598989,
                2369998.479873698,
                26.618470632323685
              ],
              [
                627999.8372598989,
                2368998.4598736987,
                26.618470632323685
              ],
              [
                626999.8372598989,
                2368998.4598736987,
                -14.301529367676316
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:01:18+00:00",
        "end_time": "2013-09-19T20:55:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2769.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2769.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2769.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2769.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7746293,
            21.41876488,
            -14.30152937,
            -157.7649064,
            21.42786901,
            26.61847063
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77462933685356,
                  21.418835721535118,
                  -14.301529367676316
                ],
                [
                  -157.77455389200597,
                  21.42786901254514,
                  -14.301529367676316
                ],
                [
                  -157.7649064408417,
                  21.4277981366882,
                  26.618470632323685
                ],
                [
                  -157.76498249322532,
                  21.41876488006655,
                  26.618470632323685
                ],
                [
                  -157.77462933685356,
                  21.418835721535118,
                  -14.301529367676316
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2769.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2769.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:01:18Z",
            "pc:count": 1147590,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627567.0123,
                "count": 1147590,
                "maximum": 627999.8373,
                "minimum": 626999.8373,
                "name": "X",
                "position": 0,
                "stddev": 286.6227779,
                "variance": 82152.61682
              },
              {
                "average": 2369641.846,
                "count": 1147590,
                "maximum": 2369998.48,
                "minimum": 2368998.46,
                "name": "Y",
                "position": 1,
                "stddev": 289.2718295,
                "variance": 83678.19135
              },
              {
                "average": -0.7191687946,
                "count": 1147590,
                "maximum": 26.61847063,
                "minimum": -14.30152937,
                "name": "Z",
                "position": 2,
                "stddev": 3.443251547,
                "variance": 11.85598122
              },
              {
                "average": 6.365928598,
                "count": 1147590,
                "maximum": 3564,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.50964112,
                "variance": 380.6260965
              },
              {
                "average": 1.092868533,
                "count": 1147590,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3932588519,
                "variance": 0.1546525246
              },
              {
                "average": 1.187851062,
                "count": 1147590,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6238325453,
                "variance": 0.3891670446
              },
              {
                "average": 1,
                "count": 1147590,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1147590,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 25.3664523,
                "count": 1147590,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.377074185,
                "variance": 87.92952028
              },
              {
                "average": 19.92115467,
                "count": 1147590,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.539624583,
                "variance": 6.449693022
              },
              {
                "average": 94.75513816,
                "count": 1147590,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 74.34687298,
                "variance": 5527.457522
              },
              {
                "average": 1.897845921,
                "count": 1147590,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.8405281552,
                "variance": 0.7064875797
              },
              {
                "average": 63720560.89,
                "count": 1147590,
                "maximum": 63742478.82,
                "minimum": 63659325.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 28856.46332,
                "variance": 832695475.5
              },
              {
                "average": 0,
                "count": 1147590,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1147590,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1147590,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1147590,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1147590,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.8373,
              2368998.46,
              -14.30152937,
              627999.8373,
              2369998.48,
              26.61847063
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.8372598989,
                    2368998.4598736987,
                    -14.301529367676316
                  ],
                  [
                    626999.8372598989,
                    2369998.479873698,
                    -14.301529367676316
                  ],
                  [
                    627999.8372598989,
                    2369998.479873698,
                    26.618470632323685
                  ],
                  [
                    627999.8372598989,
                    2368998.4598736987,
                    26.618470632323685
                  ],
                  [
                    626999.8372598989,
                    2368998.4598736987,
                    -14.301529367676316
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:01:18+00:00",
            "end_time": "2013-09-19T20:55:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2874.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.76460206629142,
              21.463930321905437,
              -45.19960231506742
            ],
            [
              -157.76452588314942,
              21.472963359176752,
              -45.19960231506742
            ],
            [
              -157.7548754709518,
              21.47289176538205,
              -4.539602315067423
            ],
            [
              -157.75495225189843,
              21.463858760724047,
              -4.539602315067423
            ],
            [
              -157.76460206629142,
              21.463930321905437,
              -45.19960231506742
            ]
          ]
        ]
      },
      "bbox": [
        -157.7646021,
        21.46385876,
        -45.19960232,
        -157.7548755,
        21.47296336,
        -4.539602315
      ],
      "properties": {
        "datetime": "2013-09-21T02:22:48Z",
        "pc:count": 1153154,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628387.9685,
            "count": 1153154,
            "maximum": 628999.8404,
            "minimum": 627999.8404,
            "name": "X",
            "position": 0,
            "stddev": 269.3875707,
            "variance": 72569.66325
          },
          {
            "average": 2374328.073,
            "count": 1153154,
            "maximum": 2374998.474,
            "minimum": 2373998.474,
            "name": "Y",
            "position": 1,
            "stddev": 271.5206635,
            "variance": 73723.47071
          },
          {
            "average": -17.72551468,
            "count": 1153154,
            "maximum": -4.539602315,
            "minimum": -45.19960232,
            "name": "Z",
            "position": 2,
            "stddev": 7.397179486,
            "variance": 54.71826435
          },
          {
            "average": 164.0750307,
            "count": 1153154,
            "maximum": 1214,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 189.4794196,
            "variance": 35902.45045
          },
          {
            "average": 1.008276431,
            "count": 1153154,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09120821913,
            "variance": 0.008318939237
          },
          {
            "average": 1.015892066,
            "count": 1153154,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1261970449,
            "variance": 0.01592569415
          },
          {
            "average": 1,
            "count": 1153154,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1153154,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1153154,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.03448518,
            "count": 1153154,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.424657517,
            "variance": 88.82416931
          },
          {
            "average": 174.8717335,
            "count": 1153154,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.24704871,
            "variance": 7787.541605
          },
          {
            "average": 7.703673577,
            "count": 1153154,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.163246299,
            "variance": 37.98560494
          },
          {
            "average": 63715987.97,
            "count": 1153154,
            "maximum": 63765368.65,
            "minimum": 63653388.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 53988.15631,
            "variance": 2914721022
          },
          {
            "average": 0,
            "count": 1153154,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1153154,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1153154,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1153154,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1153154,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.8404,
          2373998.474,
          -45.19960232,
          628999.8404,
          2374998.474,
          -4.539602315
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8404438852,
                2373998.4742900375,
                -45.19960231506742
              ],
              [
                627999.8404438852,
                2374998.4742900375,
                -45.19960231506742
              ],
              [
                628999.8404438852,
                2374998.4742900375,
                -4.539602315067423
              ],
              [
                628999.8404438852,
                2373998.4742900375,
                -4.539602315067423
              ],
              [
                627999.8404438852,
                2373998.4742900375,
                -45.19960231506742
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:22:48+00:00",
        "end_time": "2013-09-19T19:16:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2874.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2874.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2874.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2874.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7646021,
            21.46385876,
            -45.19960232,
            -157.7548755,
            21.47296336,
            -4.539602315
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.76460206629142,
                  21.463930321905437,
                  -45.19960231506742
                ],
                [
                  -157.76452588314942,
                  21.472963359176752,
                  -45.19960231506742
                ],
                [
                  -157.7548754709518,
                  21.47289176538205,
                  -4.539602315067423
                ],
                [
                  -157.75495225189843,
                  21.463858760724047,
                  -4.539602315067423
                ],
                [
                  -157.76460206629142,
                  21.463930321905437,
                  -45.19960231506742
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2874.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2874.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:22:48Z",
            "pc:count": 1153154,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628387.9685,
                "count": 1153154,
                "maximum": 628999.8404,
                "minimum": 627999.8404,
                "name": "X",
                "position": 0,
                "stddev": 269.3875707,
                "variance": 72569.66325
              },
              {
                "average": 2374328.073,
                "count": 1153154,
                "maximum": 2374998.474,
                "minimum": 2373998.474,
                "name": "Y",
                "position": 1,
                "stddev": 271.5206635,
                "variance": 73723.47071
              },
              {
                "average": -17.72551468,
                "count": 1153154,
                "maximum": -4.539602315,
                "minimum": -45.19960232,
                "name": "Z",
                "position": 2,
                "stddev": 7.397179486,
                "variance": 54.71826435
              },
              {
                "average": 164.0750307,
                "count": 1153154,
                "maximum": 1214,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 189.4794196,
                "variance": 35902.45045
              },
              {
                "average": 1.008276431,
                "count": 1153154,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09120821913,
                "variance": 0.008318939237
              },
              {
                "average": 1.015892066,
                "count": 1153154,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1261970449,
                "variance": 0.01592569415
              },
              {
                "average": 1,
                "count": 1153154,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1153154,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1153154,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.03448518,
                "count": 1153154,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.424657517,
                "variance": 88.82416931
              },
              {
                "average": 174.8717335,
                "count": 1153154,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.24704871,
                "variance": 7787.541605
              },
              {
                "average": 7.703673577,
                "count": 1153154,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.163246299,
                "variance": 37.98560494
              },
              {
                "average": 63715987.97,
                "count": 1153154,
                "maximum": 63765368.65,
                "minimum": 63653388.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 53988.15631,
                "variance": 2914721022
              },
              {
                "average": 0,
                "count": 1153154,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1153154,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1153154,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1153154,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1153154,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.8404,
              2373998.474,
              -45.19960232,
              628999.8404,
              2374998.474,
              -4.539602315
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8404438852,
                    2373998.4742900375,
                    -45.19960231506742
                  ],
                  [
                    627999.8404438852,
                    2374998.4742900375,
                    -45.19960231506742
                  ],
                  [
                    628999.8404438852,
                    2374998.4742900375,
                    -4.539602315067423
                  ],
                  [
                    628999.8404438852,
                    2373998.4742900375,
                    -4.539602315067423
                  ],
                  [
                    627999.8404438852,
                    2373998.4742900375,
                    -45.19960231506742
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:22:48+00:00",
            "end_time": "2013-09-19T19:16:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2875.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.76452585767942,
              21.4729634998737,
              -46.7907108059596
            ],
            [
              -157.7644891417984,
              21.477314716976558,
              -46.7907108059596
            ],
            [
              -157.75964178288248,
              21.477278818823137,
              -31.8507108059596
            ],
            [
              -157.7596786445863,
              21.47292760908873,
              -31.8507108059596
            ],
            [
              -157.76452585767942,
              21.4729634998737,
              -46.7907108059596
            ]
          ]
        ]
      },
      "bbox": [
        -157.7645259,
        21.47292761,
        -46.79071081,
        -157.7596418,
        21.47731472,
        -31.85071081
      ],
      "properties": {
        "datetime": "2013-09-21T02:22:57Z",
        "pc:count": 31825,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628146.3672,
            "count": 31825,
            "maximum": 628502.123,
            "minimum": 627999.843,
            "name": "X",
            "position": 0,
            "stddev": 107.4505711,
            "variance": 11545.62523
          },
          {
            "average": 2375097.511,
            "count": 31825,
            "maximum": 2375480.19,
            "minimum": 2374998.49,
            "name": "Y",
            "position": 1,
            "stddev": 87.45834107,
            "variance": 7648.961422
          },
          {
            "average": -37.90396988,
            "count": 31825,
            "maximum": -31.85071081,
            "minimum": -46.79071081,
            "name": "Z",
            "position": 2,
            "stddev": 2.918631944,
            "variance": 8.518412424
          },
          {
            "average": 581.1571092,
            "count": 31825,
            "maximum": 1410,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 345.105848,
            "variance": 119098.0463
          },
          {
            "average": 1.000062844,
            "count": 31825,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.007927275801,
            "variance": 6.284170163e-05
          },
          {
            "average": 1.000377062,
            "count": 31825,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01941472962,
            "variance": 0.0003769317262
          },
          {
            "average": 1,
            "count": 31825,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 31825,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 31825,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.38246772,
            "count": 31825,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.46856578,
            "variance": 89.65373793
          },
          {
            "average": 249.0024823,
            "count": 31825,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.04976184367,
            "variance": 0.002476241086
          },
          {
            "average": 15.65461115,
            "count": 31825,
            "maximum": 22,
            "minimum": 12,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.333527253,
            "variance": 18.77945845
          },
          {
            "average": 63763647.24,
            "count": 31825,
            "maximum": 63765377.57,
            "minimum": 63762492.49,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1186.972577,
            "variance": 1408903.898
          },
          {
            "average": 0,
            "count": 31825,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 31825,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 31825,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 31825,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 31825,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.843,
          2374998.49,
          -46.79071081,
          628502.123,
          2375480.19,
          -31.85071081
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8429599978,
                2374998.489885729,
                -46.7907108059596
              ],
              [
                627999.8429599978,
                2375480.189885729,
                -46.7907108059596
              ],
              [
                628502.1229599979,
                2375480.189885729,
                -31.8507108059596
              ],
              [
                628502.1229599979,
                2374998.489885729,
                -31.8507108059596
              ],
              [
                627999.8429599978,
                2374998.489885729,
                -46.7907108059596
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:22:57+00:00",
        "end_time": "2013-09-21T01:34:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2875.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2875.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2875.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2875.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7645259,
            21.47292761,
            -46.79071081,
            -157.7596418,
            21.47731472,
            -31.85071081
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.76452585767942,
                  21.4729634998737,
                  -46.7907108059596
                ],
                [
                  -157.7644891417984,
                  21.477314716976558,
                  -46.7907108059596
                ],
                [
                  -157.75964178288248,
                  21.477278818823137,
                  -31.8507108059596
                ],
                [
                  -157.7596786445863,
                  21.47292760908873,
                  -31.8507108059596
                ],
                [
                  -157.76452585767942,
                  21.4729634998737,
                  -46.7907108059596
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2875.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2875.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:22:57Z",
            "pc:count": 31825,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628146.3672,
                "count": 31825,
                "maximum": 628502.123,
                "minimum": 627999.843,
                "name": "X",
                "position": 0,
                "stddev": 107.4505711,
                "variance": 11545.62523
              },
              {
                "average": 2375097.511,
                "count": 31825,
                "maximum": 2375480.19,
                "minimum": 2374998.49,
                "name": "Y",
                "position": 1,
                "stddev": 87.45834107,
                "variance": 7648.961422
              },
              {
                "average": -37.90396988,
                "count": 31825,
                "maximum": -31.85071081,
                "minimum": -46.79071081,
                "name": "Z",
                "position": 2,
                "stddev": 2.918631944,
                "variance": 8.518412424
              },
              {
                "average": 581.1571092,
                "count": 31825,
                "maximum": 1410,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 345.105848,
                "variance": 119098.0463
              },
              {
                "average": 1.000062844,
                "count": 31825,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.007927275801,
                "variance": 6.284170163e-05
              },
              {
                "average": 1.000377062,
                "count": 31825,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01941472962,
                "variance": 0.0003769317262
              },
              {
                "average": 1,
                "count": 31825,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 31825,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 31825,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.38246772,
                "count": 31825,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.46856578,
                "variance": 89.65373793
              },
              {
                "average": 249.0024823,
                "count": 31825,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.04976184367,
                "variance": 0.002476241086
              },
              {
                "average": 15.65461115,
                "count": 31825,
                "maximum": 22,
                "minimum": 12,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.333527253,
                "variance": 18.77945845
              },
              {
                "average": 63763647.24,
                "count": 31825,
                "maximum": 63765377.57,
                "minimum": 63762492.49,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1186.972577,
                "variance": 1408903.898
              },
              {
                "average": 0,
                "count": 31825,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 31825,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 31825,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 31825,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 31825,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.843,
              2374998.49,
              -46.79071081,
              628502.123,
              2375480.19,
              -31.85071081
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8429599978,
                    2374998.489885729,
                    -46.7907108059596
                  ],
                  [
                    627999.8429599978,
                    2375480.189885729,
                    -46.7907108059596
                  ],
                  [
                    628502.1229599979,
                    2375480.189885729,
                    -31.8507108059596
                  ],
                  [
                    628502.1229599979,
                    2374998.489885729,
                    -31.8507108059596
                  ],
                  [
                    627999.8429599978,
                    2374998.489885729,
                    -46.7907108059596
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:22:57+00:00",
            "end_time": "2013-09-21T01:34:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2950.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75671899815143,
              21.254631978267057,
              -21.286524016767956
            ],
            [
              -157.7567067047815,
              21.256096627981144,
              -21.286524016767956
            ],
            [
              -157.74707069079054,
              21.25602527899648,
              -18.026524016767958
            ],
            [
              -157.7470830793661,
              21.254560634678835,
              -18.026524016767958
            ],
            [
              -157.75671899815143,
              21.254631978267057,
              -21.286524016767956
            ]
          ]
        ]
      },
      "bbox": [
        -157.756719,
        21.25456063,
        -21.28652402,
        -157.7470707,
        21.25609663,
        -18.02652402
      ],
      "properties": {
        "datetime": "2013-09-16T16:36:12Z",
        "pc:count": 124908,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629291.6008,
            "count": 124908,
            "maximum": 629999.7952,
            "minimum": 628999.8152,
            "name": "X",
            "position": 0,
            "stddev": 254.1445217,
            "variance": 64589.43792
          },
          {
            "average": 2350938.756,
            "count": 124908,
            "maximum": 2350998.435,
            "minimum": 2350836.295,
            "name": "Y",
            "position": 1,
            "stddev": 40.44300509,
            "variance": 1635.636661
          },
          {
            "average": -19.22517078,
            "count": 124908,
            "maximum": -18.02652402,
            "minimum": -21.28652402,
            "name": "Z",
            "position": 2,
            "stddev": 0.4087710761,
            "variance": 0.1670937927
          },
          {
            "average": 307.7446681,
            "count": 124908,
            "maximum": 1236,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 221.6994117,
            "variance": 49150.62917
          },
          {
            "average": 1.000144106,
            "count": 124908,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0120036015,
            "variance": 0.000144086449
          },
          {
            "average": 1.000192141,
            "count": 124908,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01386023217,
            "variance": 0.0001921060357
          },
          {
            "average": 1,
            "count": 124908,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 124908,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 124908,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.80273648,
            "count": 124908,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.266756172,
            "variance": 68.33925761
          },
          {
            "average": 192.1864492,
            "count": 124908,
            "maximum": 250,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 86.37216166,
            "variance": 7460.15031
          },
          {
            "average": 2.885627822,
            "count": 124908,
            "maximum": 19,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.512345397,
            "variance": 30.38595178
          },
          {
            "average": 63378900.75,
            "count": 124908,
            "maximum": 63384572.04,
            "minimum": 63378229.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1939.39562,
            "variance": 3761255.369
          },
          {
            "average": 0,
            "count": 124908,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 124908,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 124908,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 124908,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 124908,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8152,
          2350836.295,
          -21.28652402,
          629999.7952,
          2350998.435,
          -18.02652402
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8151704617,
                2350836.295133681,
                -21.286524016767956
              ],
              [
                628999.8151704617,
                2350998.4351336807,
                -21.286524016767956
              ],
              [
                629999.7951704616,
                2350998.4351336807,
                -18.026524016767958
              ],
              [
                629999.7951704616,
                2350836.295133681,
                -18.026524016767958
              ],
              [
                628999.8151704617,
                2350836.295133681,
                -21.286524016767956
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T16:36:12+00:00",
        "end_time": "2013-09-16T14:50:29+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2950.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2950.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2950.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2950.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.756719,
            21.25456063,
            -21.28652402,
            -157.7470707,
            21.25609663,
            -18.02652402
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75671899815143,
                  21.254631978267057,
                  -21.286524016767956
                ],
                [
                  -157.7567067047815,
                  21.256096627981144,
                  -21.286524016767956
                ],
                [
                  -157.74707069079054,
                  21.25602527899648,
                  -18.026524016767958
                ],
                [
                  -157.7470830793661,
                  21.254560634678835,
                  -18.026524016767958
                ],
                [
                  -157.75671899815143,
                  21.254631978267057,
                  -21.286524016767956
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2950.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2950.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T16:36:12Z",
            "pc:count": 124908,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629291.6008,
                "count": 124908,
                "maximum": 629999.7952,
                "minimum": 628999.8152,
                "name": "X",
                "position": 0,
                "stddev": 254.1445217,
                "variance": 64589.43792
              },
              {
                "average": 2350938.756,
                "count": 124908,
                "maximum": 2350998.435,
                "minimum": 2350836.295,
                "name": "Y",
                "position": 1,
                "stddev": 40.44300509,
                "variance": 1635.636661
              },
              {
                "average": -19.22517078,
                "count": 124908,
                "maximum": -18.02652402,
                "minimum": -21.28652402,
                "name": "Z",
                "position": 2,
                "stddev": 0.4087710761,
                "variance": 0.1670937927
              },
              {
                "average": 307.7446681,
                "count": 124908,
                "maximum": 1236,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 221.6994117,
                "variance": 49150.62917
              },
              {
                "average": 1.000144106,
                "count": 124908,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0120036015,
                "variance": 0.000144086449
              },
              {
                "average": 1.000192141,
                "count": 124908,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01386023217,
                "variance": 0.0001921060357
              },
              {
                "average": 1,
                "count": 124908,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 124908,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 124908,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.80273648,
                "count": 124908,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.266756172,
                "variance": 68.33925761
              },
              {
                "average": 192.1864492,
                "count": 124908,
                "maximum": 250,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 86.37216166,
                "variance": 7460.15031
              },
              {
                "average": 2.885627822,
                "count": 124908,
                "maximum": 19,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.512345397,
                "variance": 30.38595178
              },
              {
                "average": 63378900.75,
                "count": 124908,
                "maximum": 63384572.04,
                "minimum": 63378229.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1939.39562,
                "variance": 3761255.369
              },
              {
                "average": 0,
                "count": 124908,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 124908,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 124908,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 124908,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 124908,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8152,
              2350836.295,
              -21.28652402,
              629999.7952,
              2350998.435,
              -18.02652402
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8151704617,
                    2350836.295133681,
                    -21.286524016767956
                  ],
                  [
                    628999.8151704617,
                    2350998.4351336807,
                    -21.286524016767956
                  ],
                  [
                    629999.7951704616,
                    2350998.4351336807,
                    -18.026524016767958
                  ],
                  [
                    629999.7951704616,
                    2350836.295133681,
                    -18.026524016767958
                  ],
                  [
                    628999.8151704617,
                    2350836.295133681,
                    -21.286524016767956
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T16:36:12+00:00",
            "end_time": "2013-09-16T14:50:29+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2770.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77455394563466,
              21.427869044636314,
              -14.224336775733045
            ],
            [
              -157.77449673403657,
              21.434720836355467,
              -14.224336775733045
            ],
            [
              -157.76484882938323,
              21.434649935345842,
              0.455663224266955
            ],
            [
              -157.76490649446816,
              21.42779816878235,
              0.455663224266955
            ],
            [
              -157.77455394563466,
              21.427869044636314,
              -14.224336775733045
            ]
          ]
        ]
      },
      "bbox": [
        -157.7745539,
        21.42779817,
        -14.22433678,
        -157.7648488,
        21.43472084,
        0.4556632243
      ],
      "properties": {
        "datetime": "2013-09-20T19:32:49Z",
        "pc:count": 919202,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627638.8417,
            "count": 919202,
            "maximum": 627999.8317,
            "minimum": 626999.8317,
            "name": "X",
            "position": 0,
            "stddev": 266.6075715,
            "variance": 71079.5972
          },
          {
            "average": 2370261.07,
            "count": 919202,
            "maximum": 2370757.003,
            "minimum": 2369998.483,
            "name": "Y",
            "position": 1,
            "stddev": 178.8943841,
            "variance": 32003.20068
          },
          {
            "average": -2.987178262,
            "count": 919202,
            "maximum": 0.4556632243,
            "minimum": -14.22433678,
            "name": "Z",
            "position": 2,
            "stddev": 3.955110544,
            "variance": 15.64289941
          },
          {
            "average": 4.635861323,
            "count": 919202,
            "maximum": 6334,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.46034395,
            "variance": 270.9429228
          },
          {
            "average": 1.02660351,
            "count": 919202,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1611918855,
            "variance": 0.02598282395
          },
          {
            "average": 1.037358491,
            "count": 919202,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1901200701,
            "variance": 0.03614564106
          },
          {
            "average": 1,
            "count": 919202,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 919202,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 919202,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.83802153,
            "count": 919202,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.570284375,
            "variance": 6.606361767
          },
          {
            "average": 120.3210002,
            "count": 919202,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.60153119,
            "variance": 7850.23133
          },
          {
            "average": 4.449073218,
            "count": 919202,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.937792912,
            "variance": 15.50621302
          },
          {
            "average": 63677004.6,
            "count": 919202,
            "maximum": 63740769.24,
            "minimum": 63657127.57,
            "name": "GpsTime",
            "position": 12,
            "stddev": 22817.66224,
            "variance": 520645709.9
          },
          {
            "average": 0,
            "count": 919202,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 919202,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 919202,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 919202,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 919202,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.8317,
          2369998.483,
          -14.22433678,
          627999.8317,
          2370757.003,
          0.4556632243
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.8316736331,
                2369998.4833826553,
                -14.224336775733045
              ],
              [
                626999.8316736331,
                2370757.003382655,
                -14.224336775733045
              ],
              [
                627999.8316736331,
                2370757.003382655,
                0.455663224266955
              ],
              [
                627999.8316736331,
                2369998.4833826553,
                0.455663224266955
              ],
              [
                626999.8316736331,
                2369998.4833826553,
                -14.224336775733045
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:32:49+00:00",
        "end_time": "2013-09-19T20:18:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2770.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2770.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2770.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2770.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7745539,
            21.42779817,
            -14.22433678,
            -157.7648488,
            21.43472084,
            0.4556632243
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77455394563466,
                  21.427869044636314,
                  -14.224336775733045
                ],
                [
                  -157.77449673403657,
                  21.434720836355467,
                  -14.224336775733045
                ],
                [
                  -157.76484882938323,
                  21.434649935345842,
                  0.455663224266955
                ],
                [
                  -157.76490649446816,
                  21.42779816878235,
                  0.455663224266955
                ],
                [
                  -157.77455394563466,
                  21.427869044636314,
                  -14.224336775733045
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2770.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2770.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:32:49Z",
            "pc:count": 919202,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627638.8417,
                "count": 919202,
                "maximum": 627999.8317,
                "minimum": 626999.8317,
                "name": "X",
                "position": 0,
                "stddev": 266.6075715,
                "variance": 71079.5972
              },
              {
                "average": 2370261.07,
                "count": 919202,
                "maximum": 2370757.003,
                "minimum": 2369998.483,
                "name": "Y",
                "position": 1,
                "stddev": 178.8943841,
                "variance": 32003.20068
              },
              {
                "average": -2.987178262,
                "count": 919202,
                "maximum": 0.4556632243,
                "minimum": -14.22433678,
                "name": "Z",
                "position": 2,
                "stddev": 3.955110544,
                "variance": 15.64289941
              },
              {
                "average": 4.635861323,
                "count": 919202,
                "maximum": 6334,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.46034395,
                "variance": 270.9429228
              },
              {
                "average": 1.02660351,
                "count": 919202,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1611918855,
                "variance": 0.02598282395
              },
              {
                "average": 1.037358491,
                "count": 919202,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1901200701,
                "variance": 0.03614564106
              },
              {
                "average": 1,
                "count": 919202,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 919202,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 919202,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.83802153,
                "count": 919202,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.570284375,
                "variance": 6.606361767
              },
              {
                "average": 120.3210002,
                "count": 919202,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.60153119,
                "variance": 7850.23133
              },
              {
                "average": 4.449073218,
                "count": 919202,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.937792912,
                "variance": 15.50621302
              },
              {
                "average": 63677004.6,
                "count": 919202,
                "maximum": 63740769.24,
                "minimum": 63657127.57,
                "name": "GpsTime",
                "position": 12,
                "stddev": 22817.66224,
                "variance": 520645709.9
              },
              {
                "average": 0,
                "count": 919202,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 919202,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 919202,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 919202,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 919202,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.8317,
              2369998.483,
              -14.22433678,
              627999.8317,
              2370757.003,
              0.4556632243
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.8316736331,
                    2369998.4833826553,
                    -14.224336775733045
                  ],
                  [
                    626999.8316736331,
                    2370757.003382655,
                    -14.224336775733045
                  ],
                  [
                    627999.8316736331,
                    2370757.003382655,
                    0.455663224266955
                  ],
                  [
                    627999.8316736331,
                    2369998.4833826553,
                    0.455663224266955
                  ],
                  [
                    626999.8316736331,
                    2369998.4833826553,
                    -14.224336775733045
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:32:49+00:00",
            "end_time": "2013-09-19T20:18:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2567.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7924382222901,
              21.40300440317393,
              0.28532085009811
            ],
            [
              -157.7923813190623,
              21.409931056847043,
              0.28532085009811
            ],
            [
              -157.7843509377999,
              21.40987299686168,
              65.62532085009812
            ],
            [
              -157.78440821852573,
              21.40294636404889,
              65.62532085009812
            ],
            [
              -157.7924382222901,
              21.40300440317393,
              0.28532085009811
            ]
          ]
        ]
      },
      "bbox": [
        -157.7924382,
        21.40294636,
        0.2853208501,
        -157.7843509,
        21.40993106,
        65.62532085
      ],
      "properties": {
        "datetime": "2013-09-21T00:52:01Z",
        "pc:count": 1957364,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625742.7943,
            "count": 1957364,
            "maximum": 625999.8253,
            "minimum": 625167.3453,
            "name": "X",
            "position": 0,
            "stddev": 193.8932726,
            "variance": 37594.60116
          },
          {
            "average": 2367736.74,
            "count": 1957364,
            "maximum": 2367998.475,
            "minimum": 2367231.675,
            "name": "Y",
            "position": 1,
            "stddev": 187.3195601,
            "variance": 35088.6176
          },
          {
            "average": 15.79037258,
            "count": 1957364,
            "maximum": 65.62532085,
            "minimum": 0.2853208501,
            "name": "Z",
            "position": 2,
            "stddev": 14.71752606,
            "variance": 216.6055734
          },
          {
            "average": 19.04588518,
            "count": 1957364,
            "maximum": 928,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.4493822,
            "variance": 753.4685834
          },
          {
            "average": 1.481320797,
            "count": 1957364,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8663975088,
            "variance": 0.7506446433
          },
          {
            "average": 1.962448988,
            "count": 1957364,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.283540495,
            "variance": 1.647476203
          },
          {
            "average": 1,
            "count": 1957364,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1957364,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.236307606,
            "count": 1957364,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.502300631,
            "variance": 0.2523059239
          },
          {
            "average": 19.99275321,
            "count": 1957364,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.203999804,
            "variance": 4.857615137
          },
          {
            "average": 91.53580683,
            "count": 1957364,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.71791396,
            "variance": 4318.844215
          },
          {
            "average": 4.518909104,
            "count": 1957364,
            "maximum": 5,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6691801221,
            "variance": 0.4478020358
          },
          {
            "average": 63759640.65,
            "count": 1957364,
            "maximum": 63759921.17,
            "minimum": 63758195.93,
            "name": "GpsTime",
            "position": 12,
            "stddev": 379.4455872,
            "variance": 143978.9536
          },
          {
            "average": 0,
            "count": 1957364,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1957364,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1957364,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1957364,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1957364,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625167.3453,
          2367231.675,
          0.2853208501,
          625999.8253,
          2367998.475,
          65.62532085
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625167.3452574939,
                2367231.6748365588,
                0.28532085009811
              ],
              [
                625167.3452574939,
                2367998.4748365586,
                0.28532085009811
              ],
              [
                625999.8252574939,
                2367998.4748365586,
                65.62532085009812
              ],
              [
                625999.8252574939,
                2367231.6748365588,
                65.62532085009812
              ],
              [
                625167.3452574939,
                2367231.6748365588,
                0.28532085009811
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:52:01+00:00",
        "end_time": "2013-09-21T00:23:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2567.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2567.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2567.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2567.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7924382,
            21.40294636,
            0.2853208501,
            -157.7843509,
            21.40993106,
            65.62532085
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7924382222901,
                  21.40300440317393,
                  0.28532085009811
                ],
                [
                  -157.7923813190623,
                  21.409931056847043,
                  0.28532085009811
                ],
                [
                  -157.7843509377999,
                  21.40987299686168,
                  65.62532085009812
                ],
                [
                  -157.78440821852573,
                  21.40294636404889,
                  65.62532085009812
                ],
                [
                  -157.7924382222901,
                  21.40300440317393,
                  0.28532085009811
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2567.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2567.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:52:01Z",
            "pc:count": 1957364,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625742.7943,
                "count": 1957364,
                "maximum": 625999.8253,
                "minimum": 625167.3453,
                "name": "X",
                "position": 0,
                "stddev": 193.8932726,
                "variance": 37594.60116
              },
              {
                "average": 2367736.74,
                "count": 1957364,
                "maximum": 2367998.475,
                "minimum": 2367231.675,
                "name": "Y",
                "position": 1,
                "stddev": 187.3195601,
                "variance": 35088.6176
              },
              {
                "average": 15.79037258,
                "count": 1957364,
                "maximum": 65.62532085,
                "minimum": 0.2853208501,
                "name": "Z",
                "position": 2,
                "stddev": 14.71752606,
                "variance": 216.6055734
              },
              {
                "average": 19.04588518,
                "count": 1957364,
                "maximum": 928,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.4493822,
                "variance": 753.4685834
              },
              {
                "average": 1.481320797,
                "count": 1957364,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8663975088,
                "variance": 0.7506446433
              },
              {
                "average": 1.962448988,
                "count": 1957364,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.283540495,
                "variance": 1.647476203
              },
              {
                "average": 1,
                "count": 1957364,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1957364,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.236307606,
                "count": 1957364,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.502300631,
                "variance": 0.2523059239
              },
              {
                "average": 19.99275321,
                "count": 1957364,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.203999804,
                "variance": 4.857615137
              },
              {
                "average": 91.53580683,
                "count": 1957364,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.71791396,
                "variance": 4318.844215
              },
              {
                "average": 4.518909104,
                "count": 1957364,
                "maximum": 5,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6691801221,
                "variance": 0.4478020358
              },
              {
                "average": 63759640.65,
                "count": 1957364,
                "maximum": 63759921.17,
                "minimum": 63758195.93,
                "name": "GpsTime",
                "position": 12,
                "stddev": 379.4455872,
                "variance": 143978.9536
              },
              {
                "average": 0,
                "count": 1957364,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1957364,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1957364,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1957364,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1957364,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625167.3453,
              2367231.675,
              0.2853208501,
              625999.8253,
              2367998.475,
              65.62532085
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625167.3452574939,
                    2367231.6748365588,
                    0.28532085009811
                  ],
                  [
                    625167.3452574939,
                    2367998.4748365586,
                    0.28532085009811
                  ],
                  [
                    625999.8252574939,
                    2367998.4748365586,
                    65.62532085009812
                  ],
                  [
                    625999.8252574939,
                    2367231.6748365588,
                    65.62532085009812
                  ],
                  [
                    625167.3452574939,
                    2367231.6748365588,
                    0.28532085009811
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:52:01+00:00",
            "end_time": "2013-09-21T00:23:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2272.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82264718179746,
              21.446281524337703,
              -12.55457531038644
            ],
            [
              -157.82257466980116,
              21.455314770858145,
              -12.55457531038644
            ],
            [
              -157.81292518729023,
              21.45524658706235,
              170.92542468961355
            ],
            [
              -157.8129982943869,
              21.446213371972252,
              170.92542468961355
            ],
            [
              -157.82264718179746,
              21.446281524337703,
              -12.55457531038644
            ]
          ]
        ]
      },
      "bbox": [
        -157.8226472,
        21.44621337,
        -12.55457531,
        -157.8129252,
        21.45531477,
        170.9254247
      ],
      "properties": {
        "datetime": "2013-09-21T00:24:40Z",
        "pc:count": 6763914,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622445.0741,
            "count": 6763914,
            "maximum": 622999.8023,
            "minimum": 621999.8023,
            "name": "X",
            "position": 0,
            "stddev": 239.8959652,
            "variance": 57550.07413
          },
          {
            "average": 2372387.038,
            "count": 6763914,
            "maximum": 2372998.474,
            "minimum": 2371998.474,
            "name": "Y",
            "position": 1,
            "stddev": 236.7726118,
            "variance": 56061.26969
          },
          {
            "average": 51.24630127,
            "count": 6763914,
            "maximum": 170.9254247,
            "minimum": -12.55457531,
            "name": "Z",
            "position": 2,
            "stddev": 34.65912037,
            "variance": 1201.254625
          },
          {
            "average": 7.210120945,
            "count": 6763914,
            "maximum": 4014,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 17.52697177,
            "variance": 307.1947395
          },
          {
            "average": 2.019980295,
            "count": 6763914,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.144709811,
            "variance": 1.310360551
          },
          {
            "average": 3.04289883,
            "count": 6763914,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.491704932,
            "variance": 2.225183604
          },
          {
            "average": 1,
            "count": 6763914,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6763914,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.632494884,
            "count": 6763914,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.929239846,
            "variance": 15.43892577
          },
          {
            "average": 20.1714845,
            "count": 6763914,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.71668484,
            "variance": 2.947006838
          },
          {
            "average": 91.48593344,
            "count": 6763914,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.11422829,
            "variance": 4639.548095
          },
          {
            "average": 7.544493174,
            "count": 6763914,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.960986596,
            "variance": 8.767441623
          },
          {
            "average": 63746788.42,
            "count": 6763914,
            "maximum": 63758280.29,
            "minimum": 63742377.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4761.103789,
            "variance": 22668109.29
          },
          {
            "average": 0,
            "count": 6763914,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6763914,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6763914,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6763914,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6763914,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.8023,
          2371998.474,
          -12.55457531,
          622999.8023,
          2372998.474,
          170.9254247
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.8023054918,
                2371998.473849551,
                -12.55457531038644
              ],
              [
                621999.8023054918,
                2372998.473849551,
                -12.55457531038644
              ],
              [
                622999.8023054918,
                2372998.473849551,
                170.92542468961355
              ],
              [
                622999.8023054918,
                2371998.473849551,
                170.92542468961355
              ],
              [
                621999.8023054918,
                2371998.473849551,
                -12.55457531038644
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:24:40+00:00",
        "end_time": "2013-09-20T19:59:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2272.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2272.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2272.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2272.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8226472,
            21.44621337,
            -12.55457531,
            -157.8129252,
            21.45531477,
            170.9254247
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82264718179746,
                  21.446281524337703,
                  -12.55457531038644
                ],
                [
                  -157.82257466980116,
                  21.455314770858145,
                  -12.55457531038644
                ],
                [
                  -157.81292518729023,
                  21.45524658706235,
                  170.92542468961355
                ],
                [
                  -157.8129982943869,
                  21.446213371972252,
                  170.92542468961355
                ],
                [
                  -157.82264718179746,
                  21.446281524337703,
                  -12.55457531038644
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2272.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2272.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:24:40Z",
            "pc:count": 6763914,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622445.0741,
                "count": 6763914,
                "maximum": 622999.8023,
                "minimum": 621999.8023,
                "name": "X",
                "position": 0,
                "stddev": 239.8959652,
                "variance": 57550.07413
              },
              {
                "average": 2372387.038,
                "count": 6763914,
                "maximum": 2372998.474,
                "minimum": 2371998.474,
                "name": "Y",
                "position": 1,
                "stddev": 236.7726118,
                "variance": 56061.26969
              },
              {
                "average": 51.24630127,
                "count": 6763914,
                "maximum": 170.9254247,
                "minimum": -12.55457531,
                "name": "Z",
                "position": 2,
                "stddev": 34.65912037,
                "variance": 1201.254625
              },
              {
                "average": 7.210120945,
                "count": 6763914,
                "maximum": 4014,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 17.52697177,
                "variance": 307.1947395
              },
              {
                "average": 2.019980295,
                "count": 6763914,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.144709811,
                "variance": 1.310360551
              },
              {
                "average": 3.04289883,
                "count": 6763914,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.491704932,
                "variance": 2.225183604
              },
              {
                "average": 1,
                "count": 6763914,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6763914,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.632494884,
                "count": 6763914,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.929239846,
                "variance": 15.43892577
              },
              {
                "average": 20.1714845,
                "count": 6763914,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.71668484,
                "variance": 2.947006838
              },
              {
                "average": 91.48593344,
                "count": 6763914,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.11422829,
                "variance": 4639.548095
              },
              {
                "average": 7.544493174,
                "count": 6763914,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.960986596,
                "variance": 8.767441623
              },
              {
                "average": 63746788.42,
                "count": 6763914,
                "maximum": 63758280.29,
                "minimum": 63742377.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4761.103789,
                "variance": 22668109.29
              },
              {
                "average": 0,
                "count": 6763914,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6763914,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6763914,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6763914,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6763914,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.8023,
              2371998.474,
              -12.55457531,
              622999.8023,
              2372998.474,
              170.9254247
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.8023054918,
                    2371998.473849551,
                    -12.55457531038644
                  ],
                  [
                    621999.8023054918,
                    2372998.473849551,
                    -12.55457531038644
                  ],
                  [
                    622999.8023054918,
                    2372998.473849551,
                    170.92542468961355
                  ],
                  [
                    622999.8023054918,
                    2371998.473849551,
                    170.92542468961355
                  ],
                  [
                    621999.8023054918,
                    2371998.473849551,
                    -12.55457531038644
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:24:40+00:00",
            "end_time": "2013-09-20T19:59:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2668.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78435094194646,
              21.409872894921712,
              -9.925605317765967
            ],
            [
              -157.78427620255547,
              21.41890605358773,
              -9.925605317765967
            ],
            [
              -157.77462945566535,
              21.4188357556041,
              36.65439468223403
            ],
            [
              -157.77470479168457,
              21.40980263136247,
              36.65439468223403
            ],
            [
              -157.78435094194646,
              21.409872894921712,
              -9.925605317765967
            ]
          ]
        ]
      },
      "bbox": [
        -157.7843509,
        21.40980263,
        -9.925605318,
        -157.7746295,
        21.41890605,
        36.65439468
      ],
      "properties": {
        "datetime": "2013-09-21T00:32:52Z",
        "pc:count": 2441319,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626541.9538,
            "count": 2441319,
            "maximum": 626999.8249,
            "minimum": 625999.8249,
            "name": "X",
            "position": 0,
            "stddev": 290.5788468,
            "variance": 84436.06621
          },
          {
            "average": 2368270.051,
            "count": 2441319,
            "maximum": 2368998.464,
            "minimum": 2367998.464,
            "name": "Y",
            "position": 1,
            "stddev": 210.1692345,
            "variance": 44171.10714
          },
          {
            "average": 4.221276663,
            "count": 2441319,
            "maximum": 36.65439468,
            "minimum": -9.925605318,
            "name": "Z",
            "position": 2,
            "stddev": 6.823977143,
            "variance": 46.56666404
          },
          {
            "average": 13.60613013,
            "count": 2441319,
            "maximum": 7084,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 32.45615606,
            "variance": 1053.402066
          },
          {
            "average": 1.23433521,
            "count": 2441319,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6308290086,
            "variance": 0.3979452381
          },
          {
            "average": 1.473489945,
            "count": 2441319,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9833614829,
            "variance": 0.9669998061
          },
          {
            "average": 1,
            "count": 2441319,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2441319,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.48527702,
            "count": 2441319,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.88081074,
            "variance": 192.6769067
          },
          {
            "average": 19.96976791,
            "count": 2441319,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.167176125,
            "variance": 4.696652356
          },
          {
            "average": 94.29302029,
            "count": 2441319,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 72.51620584,
            "variance": 5258.60011
          },
          {
            "average": 6.284613359,
            "count": 2441319,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.800409895,
            "variance": 14.44311537
          },
          {
            "average": 63749689.84,
            "count": 2441319,
            "maximum": 63758772.93,
            "minimum": 63742473.14,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6242.670474,
            "variance": 38970934.65
          },
          {
            "average": 0,
            "count": 2441319,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2441319,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2441319,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2441319,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2441319,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.8249,
          2367998.464,
          -9.925605318,
          626999.8249,
          2368998.464,
          36.65439468
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.8249150685,
                2367998.463548827,
                -9.925605317765967
              ],
              [
                625999.8249150685,
                2368998.463548827,
                -9.925605317765967
              ],
              [
                626999.8249150685,
                2368998.463548827,
                36.65439468223403
              ],
              [
                626999.8249150685,
                2367998.463548827,
                36.65439468223403
              ],
              [
                625999.8249150685,
                2367998.463548827,
                -9.925605317765967
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:32:52+00:00",
        "end_time": "2013-09-20T20:01:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2668.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2668.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2668.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2668.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7843509,
            21.40980263,
            -9.925605318,
            -157.7746295,
            21.41890605,
            36.65439468
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78435094194646,
                  21.409872894921712,
                  -9.925605317765967
                ],
                [
                  -157.78427620255547,
                  21.41890605358773,
                  -9.925605317765967
                ],
                [
                  -157.77462945566535,
                  21.4188357556041,
                  36.65439468223403
                ],
                [
                  -157.77470479168457,
                  21.40980263136247,
                  36.65439468223403
                ],
                [
                  -157.78435094194646,
                  21.409872894921712,
                  -9.925605317765967
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2668.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2668.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:32:52Z",
            "pc:count": 2441319,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626541.9538,
                "count": 2441319,
                "maximum": 626999.8249,
                "minimum": 625999.8249,
                "name": "X",
                "position": 0,
                "stddev": 290.5788468,
                "variance": 84436.06621
              },
              {
                "average": 2368270.051,
                "count": 2441319,
                "maximum": 2368998.464,
                "minimum": 2367998.464,
                "name": "Y",
                "position": 1,
                "stddev": 210.1692345,
                "variance": 44171.10714
              },
              {
                "average": 4.221276663,
                "count": 2441319,
                "maximum": 36.65439468,
                "minimum": -9.925605318,
                "name": "Z",
                "position": 2,
                "stddev": 6.823977143,
                "variance": 46.56666404
              },
              {
                "average": 13.60613013,
                "count": 2441319,
                "maximum": 7084,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 32.45615606,
                "variance": 1053.402066
              },
              {
                "average": 1.23433521,
                "count": 2441319,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6308290086,
                "variance": 0.3979452381
              },
              {
                "average": 1.473489945,
                "count": 2441319,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9833614829,
                "variance": 0.9669998061
              },
              {
                "average": 1,
                "count": 2441319,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2441319,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.48527702,
                "count": 2441319,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.88081074,
                "variance": 192.6769067
              },
              {
                "average": 19.96976791,
                "count": 2441319,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.167176125,
                "variance": 4.696652356
              },
              {
                "average": 94.29302029,
                "count": 2441319,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 72.51620584,
                "variance": 5258.60011
              },
              {
                "average": 6.284613359,
                "count": 2441319,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.800409895,
                "variance": 14.44311537
              },
              {
                "average": 63749689.84,
                "count": 2441319,
                "maximum": 63758772.93,
                "minimum": 63742473.14,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6242.670474,
                "variance": 38970934.65
              },
              {
                "average": 0,
                "count": 2441319,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2441319,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2441319,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2441319,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2441319,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.8249,
              2367998.464,
              -9.925605318,
              626999.8249,
              2368998.464,
              36.65439468
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.8249150685,
                    2367998.463548827,
                    -9.925605317765967
                  ],
                  [
                    625999.8249150685,
                    2368998.463548827,
                    -9.925605317765967
                  ],
                  [
                    626999.8249150685,
                    2368998.463548827,
                    36.65439468223403
                  ],
                  [
                    626999.8249150685,
                    2367998.463548827,
                    36.65439468223403
                  ],
                  [
                    625999.8249150685,
                    2367998.463548827,
                    -9.925605317765967
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:32:52+00:00",
            "end_time": "2013-09-20T20:01:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2669.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78427627394336,
              21.418906209452917,
              -14.059681374580673
            ],
            [
              -157.7842014703661,
              21.427939357367276,
              -14.059681374580673
            ],
            [
              -157.77455389076496,
              21.427869020409226,
              -1.499681374580672
            ],
            [
              -157.7746293341054,
              21.4188359100616,
              -1.499681374580672
            ],
            [
              -157.78427627394336,
              21.418906209452917,
              -14.059681374580673
            ]
          ]
        ]
      },
      "bbox": [
        -157.7842763,
        21.41883591,
        -14.05968137,
        -157.7745539,
        21.42793936,
        -1.499681375
      ],
      "properties": {
        "datetime": "2013-09-20T20:40:31Z",
        "pc:count": 391451,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626357.8027,
            "count": 391451,
            "maximum": 626999.8374,
            "minimum": 625999.8174,
            "name": "X",
            "position": 0,
            "stddev": 323.1200378,
            "variance": 104406.5588
          },
          {
            "average": 2369597.104,
            "count": 391451,
            "maximum": 2369998.481,
            "minimum": 2368998.481,
            "name": "Y",
            "position": 1,
            "stddev": 300.9233893,
            "variance": 90554.88625
          },
          {
            "average": -7.776839512,
            "count": 391451,
            "maximum": -1.499681375,
            "minimum": -14.05968137,
            "name": "Z",
            "position": 2,
            "stddev": 4.754070074,
            "variance": 22.60118227
          },
          {
            "average": 19.90843043,
            "count": 391451,
            "maximum": 6701,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.09004796,
            "variance": 533.1503147
          },
          {
            "average": 1.034354236,
            "count": 391451,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1823478688,
            "variance": 0.03325074527
          },
          {
            "average": 1.049730362,
            "count": 391451,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2177750626,
            "variance": 0.04742597788
          },
          {
            "average": 1,
            "count": 391451,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 391451,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 391451,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.465522,
            "count": 391451,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.803194196,
            "variance": 23.07067449
          },
          {
            "average": 170.8483539,
            "count": 391451,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 94.24600422,
            "variance": 8882.309312
          },
          {
            "average": 5.630293447,
            "count": 391451,
            "maximum": 9,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.012207811,
            "variance": 4.048980274
          },
          {
            "average": 63742866.7,
            "count": 391451,
            "maximum": 63744831.84,
            "minimum": 63740762.81,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1185.929807,
            "variance": 1406429.508
          },
          {
            "average": 0,
            "count": 391451,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 391451,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 391451,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 391451,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 391451,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.8174,
          2368998.481,
          -14.05968137,
          626999.8374,
          2369998.481,
          -1.499681375
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.8173817224,
                2368998.480745235,
                -14.059681374580673
              ],
              [
                625999.8173817224,
                2369998.480745235,
                -14.059681374580673
              ],
              [
                626999.8373817224,
                2369998.480745235,
                -1.499681374580672
              ],
              [
                626999.8373817224,
                2368998.480745235,
                -1.499681374580672
              ],
              [
                625999.8173817224,
                2368998.480745235,
                -14.059681374580673
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:40:31+00:00",
        "end_time": "2013-09-20T19:32:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2669.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2669.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2669.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2669.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7842763,
            21.41883591,
            -14.05968137,
            -157.7745539,
            21.42793936,
            -1.499681375
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78427627394336,
                  21.418906209452917,
                  -14.059681374580673
                ],
                [
                  -157.7842014703661,
                  21.427939357367276,
                  -14.059681374580673
                ],
                [
                  -157.77455389076496,
                  21.427869020409226,
                  -1.499681374580672
                ],
                [
                  -157.7746293341054,
                  21.4188359100616,
                  -1.499681374580672
                ],
                [
                  -157.78427627394336,
                  21.418906209452917,
                  -14.059681374580673
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2669.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2669.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:40:31Z",
            "pc:count": 391451,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626357.8027,
                "count": 391451,
                "maximum": 626999.8374,
                "minimum": 625999.8174,
                "name": "X",
                "position": 0,
                "stddev": 323.1200378,
                "variance": 104406.5588
              },
              {
                "average": 2369597.104,
                "count": 391451,
                "maximum": 2369998.481,
                "minimum": 2368998.481,
                "name": "Y",
                "position": 1,
                "stddev": 300.9233893,
                "variance": 90554.88625
              },
              {
                "average": -7.776839512,
                "count": 391451,
                "maximum": -1.499681375,
                "minimum": -14.05968137,
                "name": "Z",
                "position": 2,
                "stddev": 4.754070074,
                "variance": 22.60118227
              },
              {
                "average": 19.90843043,
                "count": 391451,
                "maximum": 6701,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.09004796,
                "variance": 533.1503147
              },
              {
                "average": 1.034354236,
                "count": 391451,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1823478688,
                "variance": 0.03325074527
              },
              {
                "average": 1.049730362,
                "count": 391451,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2177750626,
                "variance": 0.04742597788
              },
              {
                "average": 1,
                "count": 391451,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 391451,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 391451,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.465522,
                "count": 391451,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.803194196,
                "variance": 23.07067449
              },
              {
                "average": 170.8483539,
                "count": 391451,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 94.24600422,
                "variance": 8882.309312
              },
              {
                "average": 5.630293447,
                "count": 391451,
                "maximum": 9,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.012207811,
                "variance": 4.048980274
              },
              {
                "average": 63742866.7,
                "count": 391451,
                "maximum": 63744831.84,
                "minimum": 63740762.81,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1185.929807,
                "variance": 1406429.508
              },
              {
                "average": 0,
                "count": 391451,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 391451,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 391451,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 391451,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 391451,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.8174,
              2368998.481,
              -14.05968137,
              626999.8374,
              2369998.481,
              -1.499681375
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.8173817224,
                    2368998.480745235,
                    -14.059681374580673
                  ],
                  [
                    625999.8173817224,
                    2369998.480745235,
                    -14.059681374580673
                  ],
                  [
                    626999.8373817224,
                    2369998.480745235,
                    -1.499681374580672
                  ],
                  [
                    626999.8373817224,
                    2368998.480745235,
                    -1.499681374580672
                  ],
                  [
                    625999.8173817224,
                    2368998.480745235,
                    -14.059681374580673
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:40:31+00:00",
            "end_time": "2013-09-20T19:32:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2771.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77447296744793,
              21.437567819850766,
              -9.0616209339147
            ],
            [
              -157.7744030597906,
              21.44593517654561,
              -9.0616209339147
            ],
            [
              -157.76475421947424,
              21.4458642332564,
              31.0183790660853
            ],
            [
              -157.76482468134134,
              21.437496907008885,
              31.0183790660853
            ],
            [
              -157.77447296744793,
              21.437567819850766,
              -9.0616209339147
            ]
          ]
        ]
      },
      "bbox": [
        -157.774473,
        21.43749691,
        -9.061620934,
        -157.7647542,
        21.44593518,
        31.01837907
      ],
      "properties": {
        "datetime": "2013-09-19T20:33:02Z",
        "pc:count": 2905167,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627571.0567,
            "count": 2905167,
            "maximum": 627999.8504,
            "minimum": 626999.8304,
            "name": "X",
            "position": 0,
            "stddev": 281.2288506,
            "variance": 79089.66641
          },
          {
            "average": 2371708.868,
            "count": 2905167,
            "maximum": 2371998.476,
            "minimum": 2371072.176,
            "name": "Y",
            "position": 1,
            "stddev": 183.8132696,
            "variance": 33787.31808
          },
          {
            "average": 3.726888346,
            "count": 2905167,
            "maximum": 31.01837907,
            "minimum": -9.061620934,
            "name": "Z",
            "position": 2,
            "stddev": 4.591848688,
            "variance": 21.08507437
          },
          {
            "average": 49.68084657,
            "count": 2905167,
            "maximum": 8469,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 61.57966161,
            "variance": 3792.054724
          },
          {
            "average": 1.070170149,
            "count": 2905167,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.322945822,
            "variance": 0.1042940039
          },
          {
            "average": 1.137476778,
            "count": 2905167,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4983554744,
            "variance": 0.2483581789
          },
          {
            "average": 1,
            "count": 2905167,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2905167,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.646074047,
            "count": 2905167,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.58224761,
            "variance": 57.49047882
          },
          {
            "average": 20.22383683,
            "count": 2905167,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.375927628,
            "variance": 5.645032095
          },
          {
            "average": 94.94533464,
            "count": 2905167,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.18990863,
            "variance": 4120.34437
          },
          {
            "average": 5.609894371,
            "count": 2905167,
            "maximum": 8,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.063420096,
            "variance": 1.130862301
          },
          {
            "average": 63654450.42,
            "count": 2905167,
            "maximum": 63657982.61,
            "minimum": 63595220.65,
            "name": "GpsTime",
            "position": 12,
            "stddev": 10139.43544,
            "variance": 102808151.1
          },
          {
            "average": 0,
            "count": 2905167,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2905167,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2905167,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2905167,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2905167,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.8304,
          2371072.176,
          -9.061620934,
          627999.8504,
          2371998.476,
          31.01837907
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.8304425207,
                2371072.175689497,
                -9.0616209339147
              ],
              [
                626999.8304425207,
                2371998.475689497,
                -9.0616209339147
              ],
              [
                627999.8504425207,
                2371998.475689497,
                31.0183790660853
              ],
              [
                627999.8504425207,
                2371072.175689497,
                31.0183790660853
              ],
              [
                626999.8304425207,
                2371072.175689497,
                -9.0616209339147
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:33:02+00:00",
        "end_time": "2013-09-19T03:07:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2771.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2771.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2771.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2771.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.774473,
            21.43749691,
            -9.061620934,
            -157.7647542,
            21.44593518,
            31.01837907
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77447296744793,
                  21.437567819850766,
                  -9.0616209339147
                ],
                [
                  -157.7744030597906,
                  21.44593517654561,
                  -9.0616209339147
                ],
                [
                  -157.76475421947424,
                  21.4458642332564,
                  31.0183790660853
                ],
                [
                  -157.76482468134134,
                  21.437496907008885,
                  31.0183790660853
                ],
                [
                  -157.77447296744793,
                  21.437567819850766,
                  -9.0616209339147
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2771.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2771.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:33:02Z",
            "pc:count": 2905167,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627571.0567,
                "count": 2905167,
                "maximum": 627999.8504,
                "minimum": 626999.8304,
                "name": "X",
                "position": 0,
                "stddev": 281.2288506,
                "variance": 79089.66641
              },
              {
                "average": 2371708.868,
                "count": 2905167,
                "maximum": 2371998.476,
                "minimum": 2371072.176,
                "name": "Y",
                "position": 1,
                "stddev": 183.8132696,
                "variance": 33787.31808
              },
              {
                "average": 3.726888346,
                "count": 2905167,
                "maximum": 31.01837907,
                "minimum": -9.061620934,
                "name": "Z",
                "position": 2,
                "stddev": 4.591848688,
                "variance": 21.08507437
              },
              {
                "average": 49.68084657,
                "count": 2905167,
                "maximum": 8469,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 61.57966161,
                "variance": 3792.054724
              },
              {
                "average": 1.070170149,
                "count": 2905167,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.322945822,
                "variance": 0.1042940039
              },
              {
                "average": 1.137476778,
                "count": 2905167,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4983554744,
                "variance": 0.2483581789
              },
              {
                "average": 1,
                "count": 2905167,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2905167,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.646074047,
                "count": 2905167,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.58224761,
                "variance": 57.49047882
              },
              {
                "average": 20.22383683,
                "count": 2905167,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.375927628,
                "variance": 5.645032095
              },
              {
                "average": 94.94533464,
                "count": 2905167,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.18990863,
                "variance": 4120.34437
              },
              {
                "average": 5.609894371,
                "count": 2905167,
                "maximum": 8,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.063420096,
                "variance": 1.130862301
              },
              {
                "average": 63654450.42,
                "count": 2905167,
                "maximum": 63657982.61,
                "minimum": 63595220.65,
                "name": "GpsTime",
                "position": 12,
                "stddev": 10139.43544,
                "variance": 102808151.1
              },
              {
                "average": 0,
                "count": 2905167,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2905167,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2905167,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2905167,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2905167,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.8304,
              2371072.176,
              -9.061620934,
              627999.8504,
              2371998.476,
              31.01837907
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.8304425207,
                    2371072.175689497,
                    -9.0616209339147
                  ],
                  [
                    626999.8304425207,
                    2371998.475689497,
                    -9.0616209339147
                  ],
                  [
                    627999.8504425207,
                    2371998.475689497,
                    31.0183790660853
                  ],
                  [
                    627999.8504425207,
                    2371072.175689497,
                    31.0183790660853
                  ],
                  [
                    626999.8304425207,
                    2371072.175689497,
                    -9.0616209339147
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:33:02+00:00",
            "end_time": "2013-09-19T03:07:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2670.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78420140703682,
              21.42793924492077,
              -14.473266296915227
            ],
            [
              -157.78414248783542,
              21.435052842620138,
              -14.473266296915227
            ],
            [
              -157.7744946225352,
              21.434982480406706,
              -1.153266296915227
            ],
            [
              -157.77455402039277,
              21.427868909371416,
              -1.153266296915227
            ],
            [
              -157.78420140703682,
              21.42793924492077,
              -14.473266296915227
            ]
          ]
        ]
      },
      "bbox": [
        -157.7842014,
        21.42786891,
        -14.4732663,
        -157.7744946,
        21.43505284,
        -1.153266297
      ],
      "properties": {
        "datetime": "2013-09-20T20:11:54Z",
        "pc:count": 255803,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626580.2162,
            "count": 255803,
            "maximum": 626999.824,
            "minimum": 625999.824,
            "name": "X",
            "position": 0,
            "stddev": 297.484899,
            "variance": 88497.26512
          },
          {
            "average": 2370279.219,
            "count": 255803,
            "maximum": 2370785.968,
            "minimum": 2369998.468,
            "name": "Y",
            "position": 1,
            "stddev": 227.8728085,
            "variance": 51926.01684
          },
          {
            "average": -11.43907592,
            "count": 255803,
            "maximum": -1.153266297,
            "minimum": -14.4732663,
            "name": "Z",
            "position": 2,
            "stddev": 3.420232838,
            "variance": 11.69799267
          },
          {
            "average": 28.32444107,
            "count": 255803,
            "maximum": 549,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 16.54638316,
            "variance": 273.7827955
          },
          {
            "average": 1.019601021,
            "count": 255803,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1390754937,
            "variance": 0.01934199295
          },
          {
            "average": 1.028826871,
            "count": 255803,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1680660143,
            "variance": 0.02824618516
          },
          {
            "average": 1,
            "count": 255803,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 255803,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 255803,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.83237919,
            "count": 255803,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.72415653,
            "variance": 22.31765492
          },
          {
            "average": 228.5602006,
            "count": 255803,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 59.05311907,
            "variance": 3487.270872
          },
          {
            "average": 2.53127993,
            "count": 255803,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.347721024,
            "variance": 1.816351958
          },
          {
            "average": 63738245.79,
            "count": 255803,
            "maximum": 63743114.51,
            "minimum": 63678716.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 12830.92312,
            "variance": 164632588.1
          },
          {
            "average": 0,
            "count": 255803,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 255803,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 255803,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 255803,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 255803,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.824,
          2369998.468,
          -14.4732663,
          626999.824,
          2370785.968,
          -1.153266297
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.824042154,
                2369998.468348665,
                -14.473266296915227
              ],
              [
                625999.824042154,
                2370785.968348665,
                -14.473266296915227
              ],
              [
                626999.824042154,
                2370785.968348665,
                -1.153266296915227
              ],
              [
                626999.824042154,
                2369998.468348665,
                -1.153266296915227
              ],
              [
                625999.824042154,
                2369998.468348665,
                -14.473266296915227
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:11:54+00:00",
        "end_time": "2013-09-20T02:18:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2670.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2670.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2670.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2670.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7842014,
            21.42786891,
            -14.4732663,
            -157.7744946,
            21.43505284,
            -1.153266297
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78420140703682,
                  21.42793924492077,
                  -14.473266296915227
                ],
                [
                  -157.78414248783542,
                  21.435052842620138,
                  -14.473266296915227
                ],
                [
                  -157.7744946225352,
                  21.434982480406706,
                  -1.153266296915227
                ],
                [
                  -157.77455402039277,
                  21.427868909371416,
                  -1.153266296915227
                ],
                [
                  -157.78420140703682,
                  21.42793924492077,
                  -14.473266296915227
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2670.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2670.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:11:54Z",
            "pc:count": 255803,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626580.2162,
                "count": 255803,
                "maximum": 626999.824,
                "minimum": 625999.824,
                "name": "X",
                "position": 0,
                "stddev": 297.484899,
                "variance": 88497.26512
              },
              {
                "average": 2370279.219,
                "count": 255803,
                "maximum": 2370785.968,
                "minimum": 2369998.468,
                "name": "Y",
                "position": 1,
                "stddev": 227.8728085,
                "variance": 51926.01684
              },
              {
                "average": -11.43907592,
                "count": 255803,
                "maximum": -1.153266297,
                "minimum": -14.4732663,
                "name": "Z",
                "position": 2,
                "stddev": 3.420232838,
                "variance": 11.69799267
              },
              {
                "average": 28.32444107,
                "count": 255803,
                "maximum": 549,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 16.54638316,
                "variance": 273.7827955
              },
              {
                "average": 1.019601021,
                "count": 255803,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1390754937,
                "variance": 0.01934199295
              },
              {
                "average": 1.028826871,
                "count": 255803,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1680660143,
                "variance": 0.02824618516
              },
              {
                "average": 1,
                "count": 255803,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 255803,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 255803,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.83237919,
                "count": 255803,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.72415653,
                "variance": 22.31765492
              },
              {
                "average": 228.5602006,
                "count": 255803,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 59.05311907,
                "variance": 3487.270872
              },
              {
                "average": 2.53127993,
                "count": 255803,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.347721024,
                "variance": 1.816351958
              },
              {
                "average": 63738245.79,
                "count": 255803,
                "maximum": 63743114.51,
                "minimum": 63678716.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 12830.92312,
                "variance": 164632588.1
              },
              {
                "average": 0,
                "count": 255803,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 255803,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 255803,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 255803,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 255803,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.824,
              2369998.468,
              -14.4732663,
              626999.824,
              2370785.968,
              -1.153266297
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.824042154,
                    2369998.468348665,
                    -14.473266296915227
                  ],
                  [
                    625999.824042154,
                    2370785.968348665,
                    -14.473266296915227
                  ],
                  [
                    626999.824042154,
                    2370785.968348665,
                    -1.153266296915227
                  ],
                  [
                    626999.824042154,
                    2369998.468348665,
                    -1.153266296915227
                  ],
                  [
                    625999.824042154,
                    2369998.468348665,
                    -14.473266296915227
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:11:54+00:00",
            "end_time": "2013-09-20T02:18:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2173.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8322242449596,
              21.455382378701383,
              -12.123861932828504
            ],
            [
              -157.83215228627347,
              21.46441564659535,
              -12.123861932828504
            ],
            [
              -157.82250231922222,
              21.464347998376713,
              62.7961380671715
            ],
            [
              -157.82257486882227,
              21.455314761919272,
              62.7961380671715
            ],
            [
              -157.8322242449596,
              21.455382378701383,
              -12.123861932828504
            ]
          ]
        ]
      },
      "bbox": [
        -157.8322242,
        21.45531476,
        -12.12386193,
        -157.8225023,
        21.46441565,
        62.79613807
      ],
      "properties": {
        "datetime": "2013-09-23T23:15:02Z",
        "pc:count": 1523261,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 621279.6006,
            "count": 1523261,
            "maximum": 621999.7817,
            "minimum": 620999.8017,
            "name": "X",
            "position": 0,
            "stddev": 185.4888323,
            "variance": 34406.10691
          },
          {
            "average": 2373272.696,
            "count": 1523261,
            "maximum": 2373998.473,
            "minimum": 2372998.473,
            "name": "Y",
            "position": 1,
            "stddev": 247.3192813,
            "variance": 61166.82688
          },
          {
            "average": 10.06440349,
            "count": 1523261,
            "maximum": 62.79613807,
            "minimum": -12.12386193,
            "name": "Z",
            "position": 2,
            "stddev": 14.43823109,
            "variance": 208.4625171
          },
          {
            "average": 9.948757961,
            "count": 1523261,
            "maximum": 5535,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.93775917,
            "variance": 837.393906
          },
          {
            "average": 1.373141569,
            "count": 1523261,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7932122285,
            "variance": 0.6291856394
          },
          {
            "average": 1.752944505,
            "count": 1523261,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.216933642,
            "variance": 1.480927488
          },
          {
            "average": 1,
            "count": 1523261,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1523261,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.91196978,
            "count": 1523261,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.88146149,
            "variance": 192.6949731
          },
          {
            "average": 19.91940549,
            "count": 1523261,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.876451956,
            "variance": 3.521071945
          },
          {
            "average": 95.4808736,
            "count": 1523261,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 73.93007813,
            "variance": 5465.656453
          },
          {
            "average": 6.299510064,
            "count": 1523261,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.995243052,
            "variance": 15.96196705
          },
          {
            "average": 63753881.09,
            "count": 1523261,
            "maximum": 64013302.49,
            "minimum": 63743187.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 32991.16302,
            "variance": 1088416838
          },
          {
            "average": 0,
            "count": 1523261,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1523261,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1523261,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1523261,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1523261,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          620999.8017,
          2372998.473,
          -12.12386193,
          621999.7817,
          2373998.473,
          62.79613807
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                620999.8016890918,
                2372998.472705021,
                -12.123861932828504
              ],
              [
                620999.8016890918,
                2373998.472705021,
                -12.123861932828504
              ],
              [
                621999.7816890918,
                2373998.472705021,
                62.7961380671715
              ],
              [
                621999.7816890918,
                2372998.472705021,
                62.7961380671715
              ],
              [
                620999.8016890918,
                2372998.472705021,
                -12.123861932828504
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T23:15:02+00:00",
        "end_time": "2013-09-20T20:13:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2173.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2173.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2173.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2173.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8322242,
            21.45531476,
            -12.12386193,
            -157.8225023,
            21.46441565,
            62.79613807
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8322242449596,
                  21.455382378701383,
                  -12.123861932828504
                ],
                [
                  -157.83215228627347,
                  21.46441564659535,
                  -12.123861932828504
                ],
                [
                  -157.82250231922222,
                  21.464347998376713,
                  62.7961380671715
                ],
                [
                  -157.82257486882227,
                  21.455314761919272,
                  62.7961380671715
                ],
                [
                  -157.8322242449596,
                  21.455382378701383,
                  -12.123861932828504
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2173.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2173.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T23:15:02Z",
            "pc:count": 1523261,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 621279.6006,
                "count": 1523261,
                "maximum": 621999.7817,
                "minimum": 620999.8017,
                "name": "X",
                "position": 0,
                "stddev": 185.4888323,
                "variance": 34406.10691
              },
              {
                "average": 2373272.696,
                "count": 1523261,
                "maximum": 2373998.473,
                "minimum": 2372998.473,
                "name": "Y",
                "position": 1,
                "stddev": 247.3192813,
                "variance": 61166.82688
              },
              {
                "average": 10.06440349,
                "count": 1523261,
                "maximum": 62.79613807,
                "minimum": -12.12386193,
                "name": "Z",
                "position": 2,
                "stddev": 14.43823109,
                "variance": 208.4625171
              },
              {
                "average": 9.948757961,
                "count": 1523261,
                "maximum": 5535,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.93775917,
                "variance": 837.393906
              },
              {
                "average": 1.373141569,
                "count": 1523261,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7932122285,
                "variance": 0.6291856394
              },
              {
                "average": 1.752944505,
                "count": 1523261,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.216933642,
                "variance": 1.480927488
              },
              {
                "average": 1,
                "count": 1523261,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1523261,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.91196978,
                "count": 1523261,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.88146149,
                "variance": 192.6949731
              },
              {
                "average": 19.91940549,
                "count": 1523261,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.876451956,
                "variance": 3.521071945
              },
              {
                "average": 95.4808736,
                "count": 1523261,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 73.93007813,
                "variance": 5465.656453
              },
              {
                "average": 6.299510064,
                "count": 1523261,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.995243052,
                "variance": 15.96196705
              },
              {
                "average": 63753881.09,
                "count": 1523261,
                "maximum": 64013302.49,
                "minimum": 63743187.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 32991.16302,
                "variance": 1088416838
              },
              {
                "average": 0,
                "count": 1523261,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1523261,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1523261,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1523261,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1523261,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              620999.8017,
              2372998.473,
              -12.12386193,
              621999.7817,
              2373998.473,
              62.79613807
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    620999.8016890918,
                    2372998.472705021,
                    -12.123861932828504
                  ],
                  [
                    620999.8016890918,
                    2373998.472705021,
                    -12.123861932828504
                  ],
                  [
                    621999.7816890918,
                    2373998.472705021,
                    62.7961380671715
                  ],
                  [
                    621999.7816890918,
                    2372998.472705021,
                    62.7961380671715
                  ],
                  [
                    620999.8016890918,
                    2372998.472705021,
                    -12.123861932828504
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T23:15:02+00:00",
            "end_time": "2013-09-20T20:13:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3053.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.74691755452463,
              21.274091613232212,
              -6.338487717243133
            ],
            [
              -157.74684104267016,
              21.283124975098723,
              -6.338487717243133
            ],
            [
              -157.73720272860905,
              21.28305297035888,
              113.52151228275687
            ],
            [
              -157.7372798276467,
              21.274019642177482,
              113.52151228275687
            ],
            [
              -157.74691755452463,
              21.274091613232212,
              -6.338487717243133
            ]
          ]
        ]
      },
      "bbox": [
        -157.7469176,
        21.27401964,
        -6.338487717,
        -157.7372027,
        21.28312498,
        113.5215123
      ],
      "properties": {
        "datetime": "2013-09-22T19:07:55Z",
        "pc:count": 4772085,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630492.1757,
            "count": 4772085,
            "maximum": 630999.8597,
            "minimum": 629999.8197,
            "name": "X",
            "position": 0,
            "stddev": 293.8830315,
            "variance": 86367.2362
          },
          {
            "average": 2353529.573,
            "count": 4772085,
            "maximum": 2353998.449,
            "minimum": 2352998.429,
            "name": "Y",
            "position": 1,
            "stddev": 273.3321731,
            "variance": 74710.47685
          },
          {
            "average": 12.32007019,
            "count": 4772085,
            "maximum": 113.5215123,
            "minimum": -6.338487717,
            "name": "Z",
            "position": 2,
            "stddev": 24.19601935,
            "variance": 585.4473524
          },
          {
            "average": 9.742612296,
            "count": 4772085,
            "maximum": 4128,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.49426121,
            "variance": 811.9229219
          },
          {
            "average": 1.27084199,
            "count": 4772085,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6970717788,
            "variance": 0.4859090647
          },
          {
            "average": 1.5429612,
            "count": 4772085,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.086803834,
            "variance": 1.181142574
          },
          {
            "average": 1,
            "count": 4772085,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4772085,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.30946096,
            "count": 4772085,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.8505615,
            "variance": 191.838054
          },
          {
            "average": 19.94405671,
            "count": 4772085,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.392909057,
            "variance": 11.51183187
          },
          {
            "average": 90.48799864,
            "count": 4772085,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.6999478,
            "variance": 4583.282932
          },
          {
            "average": 7.91127526,
            "count": 4772085,
            "maximum": 15,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.640005105,
            "variance": 21.52964738
          },
          {
            "average": 63606590.22,
            "count": 4772085,
            "maximum": 63912075.8,
            "minimum": 63381098.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 260747.0641,
            "variance": 67989031450.0
          },
          {
            "average": 0,
            "count": 4772085,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4772085,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4772085,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4772085,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4772085,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8197,
          2352998.429,
          -6.338487717,
          630999.8597,
          2353998.449,
          113.5215123
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8197304651,
                2352998.4287618343,
                -6.338487717243133
              ],
              [
                629999.8197304651,
                2353998.448761834,
                -6.338487717243133
              ],
              [
                630999.8597304651,
                2353998.448761834,
                113.52151228275687
              ],
              [
                630999.8597304651,
                2352998.4287618343,
                113.52151228275687
              ],
              [
                629999.8197304651,
                2352998.4287618343,
                -6.338487717243133
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:07:55+00:00",
        "end_time": "2013-09-16T15:38:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3053.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3053.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3053.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3053.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7469176,
            21.27401964,
            -6.338487717,
            -157.7372027,
            21.28312498,
            113.5215123
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.74691755452463,
                  21.274091613232212,
                  -6.338487717243133
                ],
                [
                  -157.74684104267016,
                  21.283124975098723,
                  -6.338487717243133
                ],
                [
                  -157.73720272860905,
                  21.28305297035888,
                  113.52151228275687
                ],
                [
                  -157.7372798276467,
                  21.274019642177482,
                  113.52151228275687
                ],
                [
                  -157.74691755452463,
                  21.274091613232212,
                  -6.338487717243133
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3053.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3053.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:07:55Z",
            "pc:count": 4772085,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630492.1757,
                "count": 4772085,
                "maximum": 630999.8597,
                "minimum": 629999.8197,
                "name": "X",
                "position": 0,
                "stddev": 293.8830315,
                "variance": 86367.2362
              },
              {
                "average": 2353529.573,
                "count": 4772085,
                "maximum": 2353998.449,
                "minimum": 2352998.429,
                "name": "Y",
                "position": 1,
                "stddev": 273.3321731,
                "variance": 74710.47685
              },
              {
                "average": 12.32007019,
                "count": 4772085,
                "maximum": 113.5215123,
                "minimum": -6.338487717,
                "name": "Z",
                "position": 2,
                "stddev": 24.19601935,
                "variance": 585.4473524
              },
              {
                "average": 9.742612296,
                "count": 4772085,
                "maximum": 4128,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.49426121,
                "variance": 811.9229219
              },
              {
                "average": 1.27084199,
                "count": 4772085,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6970717788,
                "variance": 0.4859090647
              },
              {
                "average": 1.5429612,
                "count": 4772085,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.086803834,
                "variance": 1.181142574
              },
              {
                "average": 1,
                "count": 4772085,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4772085,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.30946096,
                "count": 4772085,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.8505615,
                "variance": 191.838054
              },
              {
                "average": 19.94405671,
                "count": 4772085,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.392909057,
                "variance": 11.51183187
              },
              {
                "average": 90.48799864,
                "count": 4772085,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.6999478,
                "variance": 4583.282932
              },
              {
                "average": 7.91127526,
                "count": 4772085,
                "maximum": 15,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.640005105,
                "variance": 21.52964738
              },
              {
                "average": 63606590.22,
                "count": 4772085,
                "maximum": 63912075.8,
                "minimum": 63381098.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 260747.0641,
                "variance": 67989031450.0
              },
              {
                "average": 0,
                "count": 4772085,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4772085,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4772085,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4772085,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4772085,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8197,
              2352998.429,
              -6.338487717,
              630999.8597,
              2353998.449,
              113.5215123
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8197304651,
                    2352998.4287618343,
                    -6.338487717243133
                  ],
                  [
                    629999.8197304651,
                    2353998.448761834,
                    -6.338487717243133
                  ],
                  [
                    630999.8597304651,
                    2353998.448761834,
                    113.52151228275687
                  ],
                  [
                    630999.8597304651,
                    2352998.4287618343,
                    113.52151228275687
                  ],
                  [
                    629999.8197304651,
                    2352998.4287618343,
                    -6.338487717243133
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:07:55+00:00",
            "end_time": "2013-09-16T15:38:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2671.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78412402996426,
              21.43728516590643,
              -15.424614019793117
            ],
            [
              -157.78405176076856,
              21.44600556795441,
              -15.424614019793117
            ],
            [
              -157.77440296516056,
              21.445935164268956,
              10.075385980206883
            ],
            [
              -157.77447582145757,
              21.437214794019653,
              10.075385980206883
            ],
            [
              -157.78412402996426,
              21.43728516590643,
              -15.424614019793117
            ]
          ]
        ]
      },
      "bbox": [
        -157.784124,
        21.43721479,
        -15.42461402,
        -157.774403,
        21.44600557,
        10.07538598
      ],
      "properties": {
        "datetime": "2013-09-20T19:33:09Z",
        "pc:count": 1537686,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626556.5134,
            "count": 1537686,
            "maximum": 626999.8403,
            "minimum": 625999.8203,
            "name": "X",
            "position": 0,
            "stddev": 285.155301,
            "variance": 81313.5457
          },
          {
            "average": 2371713.062,
            "count": 1537686,
            "maximum": 2371998.474,
            "minimum": 2371033.094,
            "name": "Y",
            "position": 1,
            "stddev": 175.9797913,
            "variance": 30968.88696
          },
          {
            "average": -2.11144003,
            "count": 1537686,
            "maximum": 10.07538598,
            "minimum": -15.42461402,
            "name": "Z",
            "position": 2,
            "stddev": 3.444611555,
            "variance": 11.86534876
          },
          {
            "average": 20.535212,
            "count": 1537686,
            "maximum": 8072,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.52596935,
            "variance": 1724.406131
          },
          {
            "average": 1.056686476,
            "count": 1537686,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2328066155,
            "variance": 0.05419892024
          },
          {
            "average": 1.097735819,
            "count": 1537686,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2999186188,
            "variance": 0.08995117792
          },
          {
            "average": 1,
            "count": 1537686,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1537686,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.05813931,
            "count": 1537686,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.91070726,
            "variance": 166.6863619
          },
          {
            "average": 19.96517318,
            "count": 1537686,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.318562821,
            "variance": 5.375733554
          },
          {
            "average": 103.592182,
            "count": 1537686,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 75.97269423,
            "variance": 5771.850269
          },
          {
            "average": 7.014235676,
            "count": 1537686,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.057321124,
            "variance": 9.347212453
          },
          {
            "average": 63663232.81,
            "count": 1537686,
            "maximum": 63740789.32,
            "minimum": 63656578.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 12519.19511,
            "variance": 156730246.2
          },
          {
            "average": 0,
            "count": 1537686,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1537686,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1537686,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1537686,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1537686,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.8203,
          2371033.094,
          -15.42461402,
          626999.8403,
          2371998.474,
          10.07538598
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.8202601363,
                2371033.0944072246,
                -15.424614019793117
              ],
              [
                625999.8202601363,
                2371998.4744072245,
                -15.424614019793117
              ],
              [
                626999.8402601363,
                2371998.4744072245,
                10.075385980206883
              ],
              [
                626999.8402601363,
                2371033.0944072246,
                10.075385980206883
              ],
              [
                625999.8202601363,
                2371033.0944072246,
                -15.424614019793117
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:33:09+00:00",
        "end_time": "2013-09-19T20:09:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2671.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2671.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2671.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2671.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.784124,
            21.43721479,
            -15.42461402,
            -157.774403,
            21.44600557,
            10.07538598
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78412402996426,
                  21.43728516590643,
                  -15.424614019793117
                ],
                [
                  -157.78405176076856,
                  21.44600556795441,
                  -15.424614019793117
                ],
                [
                  -157.77440296516056,
                  21.445935164268956,
                  10.075385980206883
                ],
                [
                  -157.77447582145757,
                  21.437214794019653,
                  10.075385980206883
                ],
                [
                  -157.78412402996426,
                  21.43728516590643,
                  -15.424614019793117
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2671.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2671.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:33:09Z",
            "pc:count": 1537686,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626556.5134,
                "count": 1537686,
                "maximum": 626999.8403,
                "minimum": 625999.8203,
                "name": "X",
                "position": 0,
                "stddev": 285.155301,
                "variance": 81313.5457
              },
              {
                "average": 2371713.062,
                "count": 1537686,
                "maximum": 2371998.474,
                "minimum": 2371033.094,
                "name": "Y",
                "position": 1,
                "stddev": 175.9797913,
                "variance": 30968.88696
              },
              {
                "average": -2.11144003,
                "count": 1537686,
                "maximum": 10.07538598,
                "minimum": -15.42461402,
                "name": "Z",
                "position": 2,
                "stddev": 3.444611555,
                "variance": 11.86534876
              },
              {
                "average": 20.535212,
                "count": 1537686,
                "maximum": 8072,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.52596935,
                "variance": 1724.406131
              },
              {
                "average": 1.056686476,
                "count": 1537686,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2328066155,
                "variance": 0.05419892024
              },
              {
                "average": 1.097735819,
                "count": 1537686,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2999186188,
                "variance": 0.08995117792
              },
              {
                "average": 1,
                "count": 1537686,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1537686,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.05813931,
                "count": 1537686,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.91070726,
                "variance": 166.6863619
              },
              {
                "average": 19.96517318,
                "count": 1537686,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.318562821,
                "variance": 5.375733554
              },
              {
                "average": 103.592182,
                "count": 1537686,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 75.97269423,
                "variance": 5771.850269
              },
              {
                "average": 7.014235676,
                "count": 1537686,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.057321124,
                "variance": 9.347212453
              },
              {
                "average": 63663232.81,
                "count": 1537686,
                "maximum": 63740789.32,
                "minimum": 63656578.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 12519.19511,
                "variance": 156730246.2
              },
              {
                "average": 0,
                "count": 1537686,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1537686,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1537686,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1537686,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1537686,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.8203,
              2371033.094,
              -15.42461402,
              626999.8403,
              2371998.474,
              10.07538598
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.8202601363,
                    2371033.0944072246,
                    -15.424614019793117
                  ],
                  [
                    625999.8202601363,
                    2371998.4744072245,
                    -15.424614019793117
                  ],
                  [
                    626999.8402601363,
                    2371998.4744072245,
                    10.075385980206883
                  ],
                  [
                    626999.8402601363,
                    2371033.0944072246,
                    10.075385980206883
                  ],
                  [
                    625999.8202601363,
                    2371033.0944072246,
                    -15.424614019793117
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:33:09+00:00",
            "end_time": "2013-09-19T20:09:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2568.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.79399744973242,
              21.40994259858744,
              -3.886609469217493
            ],
            [
              -157.79392330429732,
              21.418975789908345,
              -3.886609469217493
            ],
            [
              -157.78427617742375,
              21.41890605907805,
              57.05339053078251
            ],
            [
              -157.78435091681627,
              21.409872900412125,
              57.05339053078251
            ],
            [
              -157.79399744973242,
              21.40994259858744,
              -3.886609469217493
            ]
          ]
        ]
      },
      "bbox": [
        -157.7939974,
        21.4098729,
        -3.886609469,
        -157.7842762,
        21.41897579,
        57.05339053
      ],
      "properties": {
        "datetime": "2013-09-21T00:51:48Z",
        "pc:count": 4922871,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625424.6321,
            "count": 4922871,
            "maximum": 625999.8275,
            "minimum": 624999.8075,
            "name": "X",
            "position": 0,
            "stddev": 258.7054939,
            "variance": 66928.5326
          },
          {
            "average": 2368446.919,
            "count": 4922871,
            "maximum": 2368998.464,
            "minimum": 2367998.464,
            "name": "Y",
            "position": 1,
            "stddev": 271.0097826,
            "variance": 73446.30229
          },
          {
            "average": 11.80169976,
            "count": 4922871,
            "maximum": 57.05339053,
            "minimum": -3.886609469,
            "name": "Z",
            "position": 2,
            "stddev": 7.331185348,
            "variance": 53.74627861
          },
          {
            "average": 22.78328662,
            "count": 4922871,
            "maximum": 5500,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.69026786,
            "variance": 1575.317363
          },
          {
            "average": 1.402180354,
            "count": 4922871,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7717032158,
            "variance": 0.5955258532
          },
          {
            "average": 1.807228952,
            "count": 4922871,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.145648614,
            "variance": 1.312510747
          },
          {
            "average": 1,
            "count": 4922871,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4922871,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.446597118,
            "count": 4922871,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.778864665,
            "variance": 33.39527681
          },
          {
            "average": 20.03392873,
            "count": 4922871,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.212101254,
            "variance": 4.893391957
          },
          {
            "average": 91.33890589,
            "count": 4922871,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.23791669,
            "variance": 4387.461608
          },
          {
            "average": 3.208844798,
            "count": 4922871,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.24076417,
            "variance": 1.539495725
          },
          {
            "average": 63758780.35,
            "count": 4922871,
            "maximum": 63759908.36,
            "minimum": 63744824.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1256.8237,
            "variance": 1579605.813
          },
          {
            "average": 0,
            "count": 4922871,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4922871,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4922871,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4922871,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4922871,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.8075,
          2367998.464,
          -3.886609469,
          625999.8275,
          2368998.464,
          57.05339053
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.8075153623,
                2367998.464176776,
                -3.886609469217493
              ],
              [
                624999.8075153623,
                2368998.464176776,
                -3.886609469217493
              ],
              [
                625999.8275153623,
                2368998.464176776,
                57.05339053078251
              ],
              [
                625999.8275153623,
                2367998.464176776,
                57.05339053078251
              ],
              [
                624999.8075153623,
                2367998.464176776,
                -3.886609469217493
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:51:48+00:00",
        "end_time": "2013-09-20T20:40:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2568.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2568.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2568.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2568.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7939974,
            21.4098729,
            -3.886609469,
            -157.7842762,
            21.41897579,
            57.05339053
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.79399744973242,
                  21.40994259858744,
                  -3.886609469217493
                ],
                [
                  -157.79392330429732,
                  21.418975789908345,
                  -3.886609469217493
                ],
                [
                  -157.78427617742375,
                  21.41890605907805,
                  57.05339053078251
                ],
                [
                  -157.78435091681627,
                  21.409872900412125,
                  57.05339053078251
                ],
                [
                  -157.79399744973242,
                  21.40994259858744,
                  -3.886609469217493
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2568.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2568.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:51:48Z",
            "pc:count": 4922871,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625424.6321,
                "count": 4922871,
                "maximum": 625999.8275,
                "minimum": 624999.8075,
                "name": "X",
                "position": 0,
                "stddev": 258.7054939,
                "variance": 66928.5326
              },
              {
                "average": 2368446.919,
                "count": 4922871,
                "maximum": 2368998.464,
                "minimum": 2367998.464,
                "name": "Y",
                "position": 1,
                "stddev": 271.0097826,
                "variance": 73446.30229
              },
              {
                "average": 11.80169976,
                "count": 4922871,
                "maximum": 57.05339053,
                "minimum": -3.886609469,
                "name": "Z",
                "position": 2,
                "stddev": 7.331185348,
                "variance": 53.74627861
              },
              {
                "average": 22.78328662,
                "count": 4922871,
                "maximum": 5500,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.69026786,
                "variance": 1575.317363
              },
              {
                "average": 1.402180354,
                "count": 4922871,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7717032158,
                "variance": 0.5955258532
              },
              {
                "average": 1.807228952,
                "count": 4922871,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.145648614,
                "variance": 1.312510747
              },
              {
                "average": 1,
                "count": 4922871,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4922871,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.446597118,
                "count": 4922871,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.778864665,
                "variance": 33.39527681
              },
              {
                "average": 20.03392873,
                "count": 4922871,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.212101254,
                "variance": 4.893391957
              },
              {
                "average": 91.33890589,
                "count": 4922871,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.23791669,
                "variance": 4387.461608
              },
              {
                "average": 3.208844798,
                "count": 4922871,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.24076417,
                "variance": 1.539495725
              },
              {
                "average": 63758780.35,
                "count": 4922871,
                "maximum": 63759908.36,
                "minimum": 63744824.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1256.8237,
                "variance": 1579605.813
              },
              {
                "average": 0,
                "count": 4922871,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4922871,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4922871,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4922871,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4922871,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.8075,
              2367998.464,
              -3.886609469,
              625999.8275,
              2368998.464,
              57.05339053
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.8075153623,
                    2367998.464176776,
                    -3.886609469217493
                  ],
                  [
                    624999.8075153623,
                    2368998.464176776,
                    -3.886609469217493
                  ],
                  [
                    625999.8275153623,
                    2368998.464176776,
                    57.05339053078251
                  ],
                  [
                    625999.8275153623,
                    2367998.464176776,
                    57.05339053078251
                  ],
                  [
                    624999.8075153623,
                    2367998.464176776,
                    -3.886609469217493
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:51:48+00:00",
            "end_time": "2013-09-20T20:40:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2273.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82257452384076,
              21.45531482585747,
              -14.963153957334121
            ],
            [
              -157.82250197421925,
              21.46434806231371,
              -14.963153957334121
            ],
            [
              -157.81285208959181,
              21.464279848411064,
              0.476846042665879
            ],
            [
              -157.81292523431605,
              21.455246643422324,
              0.476846042665879
            ],
            [
              -157.82257452384076,
              21.45531482585747,
              -14.963153957334121
            ]
          ]
        ]
      },
      "bbox": [
        -157.8225745,
        21.45524664,
        -14.96315396,
        -157.8128521,
        21.46434806,
        0.4768460427
      ],
      "properties": {
        "datetime": "2013-09-23T22:44:59Z",
        "pc:count": 149917,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622675.4386,
            "count": 149917,
            "maximum": 622999.7974,
            "minimum": 621999.8174,
            "name": "X",
            "position": 0,
            "stddev": 209.0975502,
            "variance": 43721.7855
          },
          {
            "average": 2373584.107,
            "count": 149917,
            "maximum": 2373998.48,
            "minimum": 2372998.48,
            "name": "Y",
            "position": 1,
            "stddev": 298.4017177,
            "variance": 89043.5851
          },
          {
            "average": -5.228057938,
            "count": 149917,
            "maximum": 0.4768460427,
            "minimum": -14.96315396,
            "name": "Z",
            "position": 2,
            "stddev": 4.992697629,
            "variance": 24.92702961
          },
          {
            "average": 13.12204753,
            "count": 149917,
            "maximum": 821,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.09542733,
            "variance": 789.353037
          },
          {
            "average": 1.14287906,
            "count": 149917,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3545898306,
            "variance": 0.1257339479
          },
          {
            "average": 1.203359192,
            "count": 149917,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4135178518,
            "variance": 0.1709970137
          },
          {
            "average": 1,
            "count": 149917,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 149917,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 149917,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.98333345,
            "count": 149917,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.383119191,
            "variance": 28.97797223
          },
          {
            "average": 134.4436655,
            "count": 149917,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 92.88571232,
            "variance": 8627.755553
          },
          {
            "average": 3.977107333,
            "count": 149917,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.67113538,
            "variance": 2.792693457
          },
          {
            "average": 63795121.32,
            "count": 149917,
            "maximum": 64011499.07,
            "minimum": 63739939.95,
            "name": "GpsTime",
            "position": 12,
            "stddev": 107176.2336,
            "variance": 11486745060.0
          },
          {
            "average": 0,
            "count": 149917,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 149917,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 149917,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 149917,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 149917,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.8174,
          2372998.48,
          -14.96315396,
          622999.7974,
          2373998.48,
          0.4768460427
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.8173850789,
                2372998.480051455,
                -14.963153957334121
              ],
              [
                621999.8173850789,
                2373998.480051455,
                -14.963153957334121
              ],
              [
                622999.7973850789,
                2373998.480051455,
                0.476846042665879
              ],
              [
                622999.7973850789,
                2372998.480051455,
                0.476846042665879
              ],
              [
                621999.8173850789,
                2372998.480051455,
                -14.963153957334121
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T22:44:59+00:00",
        "end_time": "2013-09-20T19:18:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2273.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2273.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2273.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2273.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8225745,
            21.45524664,
            -14.96315396,
            -157.8128521,
            21.46434806,
            0.4768460427
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82257452384076,
                  21.45531482585747,
                  -14.963153957334121
                ],
                [
                  -157.82250197421925,
                  21.46434806231371,
                  -14.963153957334121
                ],
                [
                  -157.81285208959181,
                  21.464279848411064,
                  0.476846042665879
                ],
                [
                  -157.81292523431605,
                  21.455246643422324,
                  0.476846042665879
                ],
                [
                  -157.82257452384076,
                  21.45531482585747,
                  -14.963153957334121
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2273.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2273.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T22:44:59Z",
            "pc:count": 149917,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622675.4386,
                "count": 149917,
                "maximum": 622999.7974,
                "minimum": 621999.8174,
                "name": "X",
                "position": 0,
                "stddev": 209.0975502,
                "variance": 43721.7855
              },
              {
                "average": 2373584.107,
                "count": 149917,
                "maximum": 2373998.48,
                "minimum": 2372998.48,
                "name": "Y",
                "position": 1,
                "stddev": 298.4017177,
                "variance": 89043.5851
              },
              {
                "average": -5.228057938,
                "count": 149917,
                "maximum": 0.4768460427,
                "minimum": -14.96315396,
                "name": "Z",
                "position": 2,
                "stddev": 4.992697629,
                "variance": 24.92702961
              },
              {
                "average": 13.12204753,
                "count": 149917,
                "maximum": 821,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.09542733,
                "variance": 789.353037
              },
              {
                "average": 1.14287906,
                "count": 149917,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3545898306,
                "variance": 0.1257339479
              },
              {
                "average": 1.203359192,
                "count": 149917,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4135178518,
                "variance": 0.1709970137
              },
              {
                "average": 1,
                "count": 149917,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 149917,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 149917,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.98333345,
                "count": 149917,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.383119191,
                "variance": 28.97797223
              },
              {
                "average": 134.4436655,
                "count": 149917,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 92.88571232,
                "variance": 8627.755553
              },
              {
                "average": 3.977107333,
                "count": 149917,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.67113538,
                "variance": 2.792693457
              },
              {
                "average": 63795121.32,
                "count": 149917,
                "maximum": 64011499.07,
                "minimum": 63739939.95,
                "name": "GpsTime",
                "position": 12,
                "stddev": 107176.2336,
                "variance": 11486745060.0
              },
              {
                "average": 0,
                "count": 149917,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 149917,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 149917,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 149917,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 149917,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.8174,
              2372998.48,
              -14.96315396,
              622999.7974,
              2373998.48,
              0.4768460427
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.8173850789,
                    2372998.480051455,
                    -14.963153957334121
                  ],
                  [
                    621999.8173850789,
                    2373998.480051455,
                    -14.963153957334121
                  ],
                  [
                    622999.7973850789,
                    2373998.480051455,
                    0.476846042665879
                  ],
                  [
                    622999.7973850789,
                    2372998.480051455,
                    0.476846042665879
                  ],
                  [
                    621999.8173850789,
                    2372998.480051455,
                    -14.963153957334121
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T22:44:59+00:00",
            "end_time": "2013-09-20T19:18:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2274.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.8225020270844,
              21.464348072235495,
              -16.03052059186343
            ],
            [
              -157.82242943984727,
              21.473381298623185,
              -16.03052059186343
            ],
            [
              -157.81277876708714,
              21.47331305184948,
              0.609479408136572
            ],
            [
              -157.81285194945505,
              21.46427985696598,
              0.609479408136572
            ],
            [
              -157.8225020270844,
              21.464348072235495,
              -16.03052059186343
            ]
          ]
        ]
      },
      "bbox": [
        -157.822502,
        21.46427986,
        -16.03052059,
        -157.8127788,
        21.4733813,
        0.6094794081
      ],
      "properties": {
        "datetime": "2013-09-23T22:44:45Z",
        "pc:count": 1042884,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622541.409,
            "count": 1042884,
            "maximum": 622999.8119,
            "minimum": 621999.8119,
            "name": "X",
            "position": 0,
            "stddev": 262.4170704,
            "variance": 68862.71885
          },
          {
            "average": 2374611.62,
            "count": 1042884,
            "maximum": 2374998.481,
            "minimum": 2373998.481,
            "name": "Y",
            "position": 1,
            "stddev": 285.3291746,
            "variance": 81412.7379
          },
          {
            "average": -3.541081076,
            "count": 1042884,
            "maximum": 0.6094794081,
            "minimum": -16.03052059,
            "name": "Z",
            "position": 2,
            "stddev": 5.120625219,
            "variance": 26.22080263
          },
          {
            "average": 6.84779707,
            "count": 1042884,
            "maximum": 8800,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.85889985,
            "variance": 617.9649019
          },
          {
            "average": 1.080816275,
            "count": 1042884,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2827782968,
            "variance": 0.07996356516
          },
          {
            "average": 1.104664565,
            "count": 1042884,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3238562292,
            "variance": 0.1048828572
          },
          {
            "average": 1,
            "count": 1042884,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1042884,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1042884,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.856055,
            "count": 1042884,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.152081104,
            "variance": 26.5439397
          },
          {
            "average": 117.4040497,
            "count": 1042884,
            "maximum": 254,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 87.80445552,
            "variance": 7709.62241
          },
          {
            "average": 2.170346846,
            "count": 1042884,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.949845328,
            "variance": 3.801896802
          },
          {
            "average": 63735130.2,
            "count": 1042884,
            "maximum": 64011485.8,
            "minimum": 63658403.19,
            "name": "GpsTime",
            "position": 12,
            "stddev": 93160.91332,
            "variance": 8678955770
          },
          {
            "average": 0,
            "count": 1042884,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1042884,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1042884,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1042884,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1042884,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.8119,
          2373998.481,
          -16.03052059,
          622999.8119,
          2374998.481,
          0.6094794081
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.8118989298,
                2373998.48110856,
                -16.03052059186343
              ],
              [
                621999.8118989298,
                2374998.48110856,
                -16.03052059186343
              ],
              [
                622999.8118989298,
                2374998.48110856,
                0.609479408136572
              ],
              [
                622999.8118989298,
                2373998.48110856,
                0.609479408136572
              ],
              [
                621999.8118989298,
                2373998.48110856,
                -16.03052059186343
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T22:44:45+00:00",
        "end_time": "2013-09-19T20:40:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2274.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2274.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2274.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2274.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.822502,
            21.46427986,
            -16.03052059,
            -157.8127788,
            21.4733813,
            0.6094794081
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.8225020270844,
                  21.464348072235495,
                  -16.03052059186343
                ],
                [
                  -157.82242943984727,
                  21.473381298623185,
                  -16.03052059186343
                ],
                [
                  -157.81277876708714,
                  21.47331305184948,
                  0.609479408136572
                ],
                [
                  -157.81285194945505,
                  21.46427985696598,
                  0.609479408136572
                ],
                [
                  -157.8225020270844,
                  21.464348072235495,
                  -16.03052059186343
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2274.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2274.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T22:44:45Z",
            "pc:count": 1042884,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622541.409,
                "count": 1042884,
                "maximum": 622999.8119,
                "minimum": 621999.8119,
                "name": "X",
                "position": 0,
                "stddev": 262.4170704,
                "variance": 68862.71885
              },
              {
                "average": 2374611.62,
                "count": 1042884,
                "maximum": 2374998.481,
                "minimum": 2373998.481,
                "name": "Y",
                "position": 1,
                "stddev": 285.3291746,
                "variance": 81412.7379
              },
              {
                "average": -3.541081076,
                "count": 1042884,
                "maximum": 0.6094794081,
                "minimum": -16.03052059,
                "name": "Z",
                "position": 2,
                "stddev": 5.120625219,
                "variance": 26.22080263
              },
              {
                "average": 6.84779707,
                "count": 1042884,
                "maximum": 8800,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.85889985,
                "variance": 617.9649019
              },
              {
                "average": 1.080816275,
                "count": 1042884,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2827782968,
                "variance": 0.07996356516
              },
              {
                "average": 1.104664565,
                "count": 1042884,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3238562292,
                "variance": 0.1048828572
              },
              {
                "average": 1,
                "count": 1042884,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1042884,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1042884,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.856055,
                "count": 1042884,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.152081104,
                "variance": 26.5439397
              },
              {
                "average": 117.4040497,
                "count": 1042884,
                "maximum": 254,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 87.80445552,
                "variance": 7709.62241
              },
              {
                "average": 2.170346846,
                "count": 1042884,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.949845328,
                "variance": 3.801896802
              },
              {
                "average": 63735130.2,
                "count": 1042884,
                "maximum": 64011485.8,
                "minimum": 63658403.19,
                "name": "GpsTime",
                "position": 12,
                "stddev": 93160.91332,
                "variance": 8678955770
              },
              {
                "average": 0,
                "count": 1042884,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1042884,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1042884,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1042884,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1042884,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.8119,
              2373998.481,
              -16.03052059,
              622999.8119,
              2374998.481,
              0.6094794081
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.8118989298,
                    2373998.48110856,
                    -16.03052059186343
                  ],
                  [
                    621999.8118989298,
                    2374998.48110856,
                    -16.03052059186343
                  ],
                  [
                    622999.8118989298,
                    2374998.48110856,
                    0.609479408136572
                  ],
                  [
                    622999.8118989298,
                    2373998.48110856,
                    0.609479408136572
                  ],
                  [
                    621999.8118989298,
                    2373998.48110856,
                    -16.03052059186343
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T22:44:45+00:00",
            "end_time": "2013-09-19T20:40:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2951.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75670675540962,
              21.25609667411616,
              -20.208284926348373
            ],
            [
              -157.7566309128059,
              21.26512990929192,
              -20.208284926348373
            ],
            [
              -157.74699392597935,
              21.26505852415814,
              -11.248284926348372
            ],
            [
              -157.74707035596802,
              21.256025322269213,
              -11.248284926348372
            ],
            [
              -157.75670675540962,
              21.25609667411616,
              -20.208284926348373
            ]
          ]
        ]
      },
      "bbox": [
        -157.7567068,
        21.25602532,
        -20.20828493,
        -157.7469939,
        21.26512991,
        -11.24828493
      ],
      "properties": {
        "datetime": "2013-09-22T20:16:48Z",
        "pc:count": 8571037,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629505.8543,
            "count": 8571037,
            "maximum": 629999.8299,
            "minimum": 628999.8099,
            "name": "X",
            "position": 0,
            "stddev": 285.5569343,
            "variance": 81542.76271
          },
          {
            "average": 2351632.54,
            "count": 8571037,
            "maximum": 2351998.44,
            "minimum": 2350998.44,
            "name": "Y",
            "position": 1,
            "stddev": 239.0362848,
            "variance": 57138.34547
          },
          {
            "average": -15.51168053,
            "count": 8571037,
            "maximum": -11.24828493,
            "minimum": -20.20828493,
            "name": "Z",
            "position": 2,
            "stddev": 1.576184858,
            "variance": 2.484358708
          },
          {
            "average": 132.9111141,
            "count": 8571037,
            "maximum": 5065,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 213.8760934,
            "variance": 45742.98333
          },
          {
            "average": 1.000791386,
            "count": 8571037,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02812875115,
            "variance": 0.0007912266414
          },
          {
            "average": 1.00153797,
            "count": 8571037,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03922845781,
            "variance": 0.001538871903
          },
          {
            "average": 1,
            "count": 8571037,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8571037,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 8571037,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.34949472,
            "count": 8571037,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.596259949,
            "variance": 31.31812542
          },
          {
            "average": 119.3912576,
            "count": 8571037,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 83.30495597,
            "variance": 6939.715689
          },
          {
            "average": 8.875050242,
            "count": 8571037,
            "maximum": 21,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.921660808,
            "variance": 47.90938834
          },
          {
            "average": 63516700.28,
            "count": 8571037,
            "maximum": 63916208.76,
            "minimum": 63378230.05,
            "name": "GpsTime",
            "position": 12,
            "stddev": 233015.0138,
            "variance": 54295996650.0
          },
          {
            "average": 0,
            "count": 8571037,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8571037,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8571037,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8571037,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8571037,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8099,
          2350998.44,
          -20.20828493,
          629999.8299,
          2351998.44,
          -11.24828493
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8098766659,
                2350998.4401992783,
                -20.208284926348373
              ],
              [
                628999.8098766659,
                2351998.4401992783,
                -20.208284926348373
              ],
              [
                629999.829876666,
                2351998.4401992783,
                -11.248284926348372
              ],
              [
                629999.829876666,
                2350998.4401992783,
                -11.248284926348372
              ],
              [
                628999.8098766659,
                2350998.4401992783,
                -20.208284926348373
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:16:48+00:00",
        "end_time": "2013-09-16T14:50:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2951.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2951.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2951.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2951.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7567068,
            21.25602532,
            -20.20828493,
            -157.7469939,
            21.26512991,
            -11.24828493
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75670675540962,
                  21.25609667411616,
                  -20.208284926348373
                ],
                [
                  -157.7566309128059,
                  21.26512990929192,
                  -20.208284926348373
                ],
                [
                  -157.74699392597935,
                  21.26505852415814,
                  -11.248284926348372
                ],
                [
                  -157.74707035596802,
                  21.256025322269213,
                  -11.248284926348372
                ],
                [
                  -157.75670675540962,
                  21.25609667411616,
                  -20.208284926348373
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2951.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2951.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:16:48Z",
            "pc:count": 8571037,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629505.8543,
                "count": 8571037,
                "maximum": 629999.8299,
                "minimum": 628999.8099,
                "name": "X",
                "position": 0,
                "stddev": 285.5569343,
                "variance": 81542.76271
              },
              {
                "average": 2351632.54,
                "count": 8571037,
                "maximum": 2351998.44,
                "minimum": 2350998.44,
                "name": "Y",
                "position": 1,
                "stddev": 239.0362848,
                "variance": 57138.34547
              },
              {
                "average": -15.51168053,
                "count": 8571037,
                "maximum": -11.24828493,
                "minimum": -20.20828493,
                "name": "Z",
                "position": 2,
                "stddev": 1.576184858,
                "variance": 2.484358708
              },
              {
                "average": 132.9111141,
                "count": 8571037,
                "maximum": 5065,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 213.8760934,
                "variance": 45742.98333
              },
              {
                "average": 1.000791386,
                "count": 8571037,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02812875115,
                "variance": 0.0007912266414
              },
              {
                "average": 1.00153797,
                "count": 8571037,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03922845781,
                "variance": 0.001538871903
              },
              {
                "average": 1,
                "count": 8571037,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8571037,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 8571037,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.34949472,
                "count": 8571037,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.596259949,
                "variance": 31.31812542
              },
              {
                "average": 119.3912576,
                "count": 8571037,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 83.30495597,
                "variance": 6939.715689
              },
              {
                "average": 8.875050242,
                "count": 8571037,
                "maximum": 21,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.921660808,
                "variance": 47.90938834
              },
              {
                "average": 63516700.28,
                "count": 8571037,
                "maximum": 63916208.76,
                "minimum": 63378230.05,
                "name": "GpsTime",
                "position": 12,
                "stddev": 233015.0138,
                "variance": 54295996650.0
              },
              {
                "average": 0,
                "count": 8571037,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8571037,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8571037,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8571037,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8571037,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8099,
              2350998.44,
              -20.20828493,
              629999.8299,
              2351998.44,
              -11.24828493
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8098766659,
                    2350998.4401992783,
                    -20.208284926348373
                  ],
                  [
                    628999.8098766659,
                    2351998.4401992783,
                    -20.208284926348373
                  ],
                  [
                    629999.829876666,
                    2351998.4401992783,
                    -11.248284926348372
                  ],
                  [
                    629999.829876666,
                    2350998.4401992783,
                    -11.248284926348372
                  ],
                  [
                    628999.8098766659,
                    2350998.4401992783,
                    -20.208284926348373
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:16:48+00:00",
            "end_time": "2013-09-16T14:50:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3054.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7468410031759,
              21.283124862161387,
              2.970878521691859
            ],
            [
              -157.74681307154106,
              21.286421428871975,
              2.970878521691859
            ],
            [
              -157.73717473550244,
              21.28634941334925,
              136.37087852169185
            ],
            [
              -157.73720288188045,
              21.2830528588652,
              136.37087852169185
            ],
            [
              -157.7468410031759,
              21.283124862161387,
              2.970878521691859
            ]
          ]
        ]
      },
      "bbox": [
        -157.746841,
        21.28305286,
        2.970878522,
        -157.7371747,
        21.28642143,
        136.3708785
      ],
      "properties": {
        "datetime": "2013-09-16T16:15:49Z",
        "pc:count": 845403,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630471.7149,
            "count": 845403,
            "maximum": 630999.8439,
            "minimum": 629999.8239,
            "name": "X",
            "position": 0,
            "stddev": 232.7528635,
            "variance": 54173.89547
          },
          {
            "average": 2354130.223,
            "count": 845403,
            "maximum": 2354363.376,
            "minimum": 2353998.436,
            "name": "Y",
            "position": 1,
            "stddev": 85.08663173,
            "variance": 7239.7349
          },
          {
            "average": 51.36868266,
            "count": 845403,
            "maximum": 136.3708785,
            "minimum": 2.970878522,
            "name": "Z",
            "position": 2,
            "stddev": 43.56347333,
            "variance": 1897.776208
          },
          {
            "average": 16.43423787,
            "count": 845403,
            "maximum": 1155,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.02087767,
            "variance": 1765.75416
          },
          {
            "average": 1.643724945,
            "count": 845403,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9656922519,
            "variance": 0.9325615253
          },
          {
            "average": 2.287983364,
            "count": 845403,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.386156655,
            "variance": 1.921430271
          },
          {
            "average": 1,
            "count": 845403,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 845403,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.163201455,
            "count": 845403,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3695495933,
            "variance": 0.1365669019
          },
          {
            "average": 18.39254659,
            "count": 845403,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.795495173,
            "variance": 14.40578361
          },
          {
            "average": 91.51672989,
            "count": 845403,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.8208753,
            "variance": 4465.029376
          },
          {
            "average": 14.62221331,
            "count": 845403,
            "maximum": 15,
            "minimum": 13,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7828482102,
            "variance": 0.6128513202
          },
          {
            "average": 63383222.3,
            "count": 845403,
            "maximum": 63383349.25,
            "minimum": 63382703.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 247.4066793,
            "variance": 61210.06497
          },
          {
            "average": 0,
            "count": 845403,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 845403,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 845403,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 845403,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 845403,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8239,
          2353998.436,
          2.970878522,
          630999.8439,
          2354363.376,
          136.3708785
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.823927263,
                2353998.4362926525,
                2.970878521691859
              ],
              [
                629999.823927263,
                2354363.376292653,
                2.970878521691859
              ],
              [
                630999.843927263,
                2354363.376292653,
                136.37087852169185
              ],
              [
                630999.843927263,
                2353998.4362926525,
                136.37087852169185
              ],
              [
                629999.823927263,
                2353998.4362926525,
                2.970878521691859
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T16:15:49+00:00",
        "end_time": "2013-09-16T16:05:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3054.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3054.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3054.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3054.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.746841,
            21.28305286,
            2.970878522,
            -157.7371747,
            21.28642143,
            136.3708785
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7468410031759,
                  21.283124862161387,
                  2.970878521691859
                ],
                [
                  -157.74681307154106,
                  21.286421428871975,
                  2.970878521691859
                ],
                [
                  -157.73717473550244,
                  21.28634941334925,
                  136.37087852169185
                ],
                [
                  -157.73720288188045,
                  21.2830528588652,
                  136.37087852169185
                ],
                [
                  -157.7468410031759,
                  21.283124862161387,
                  2.970878521691859
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3054.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3054.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T16:15:49Z",
            "pc:count": 845403,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630471.7149,
                "count": 845403,
                "maximum": 630999.8439,
                "minimum": 629999.8239,
                "name": "X",
                "position": 0,
                "stddev": 232.7528635,
                "variance": 54173.89547
              },
              {
                "average": 2354130.223,
                "count": 845403,
                "maximum": 2354363.376,
                "minimum": 2353998.436,
                "name": "Y",
                "position": 1,
                "stddev": 85.08663173,
                "variance": 7239.7349
              },
              {
                "average": 51.36868266,
                "count": 845403,
                "maximum": 136.3708785,
                "minimum": 2.970878522,
                "name": "Z",
                "position": 2,
                "stddev": 43.56347333,
                "variance": 1897.776208
              },
              {
                "average": 16.43423787,
                "count": 845403,
                "maximum": 1155,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.02087767,
                "variance": 1765.75416
              },
              {
                "average": 1.643724945,
                "count": 845403,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9656922519,
                "variance": 0.9325615253
              },
              {
                "average": 2.287983364,
                "count": 845403,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.386156655,
                "variance": 1.921430271
              },
              {
                "average": 1,
                "count": 845403,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 845403,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.163201455,
                "count": 845403,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3695495933,
                "variance": 0.1365669019
              },
              {
                "average": 18.39254659,
                "count": 845403,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.795495173,
                "variance": 14.40578361
              },
              {
                "average": 91.51672989,
                "count": 845403,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.8208753,
                "variance": 4465.029376
              },
              {
                "average": 14.62221331,
                "count": 845403,
                "maximum": 15,
                "minimum": 13,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7828482102,
                "variance": 0.6128513202
              },
              {
                "average": 63383222.3,
                "count": 845403,
                "maximum": 63383349.25,
                "minimum": 63382703.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 247.4066793,
                "variance": 61210.06497
              },
              {
                "average": 0,
                "count": 845403,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 845403,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 845403,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 845403,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 845403,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8239,
              2353998.436,
              2.970878522,
              630999.8439,
              2354363.376,
              136.3708785
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.823927263,
                    2353998.4362926525,
                    2.970878521691859
                  ],
                  [
                    629999.823927263,
                    2354363.376292653,
                    2.970878521691859
                  ],
                  [
                    630999.843927263,
                    2354363.376292653,
                    136.37087852169185
                  ],
                  [
                    630999.843927263,
                    2353998.4362926525,
                    136.37087852169185
                  ],
                  [
                    629999.823927263,
                    2353998.4362926525,
                    2.970878521691859
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T16:15:49+00:00",
            "end_time": "2013-09-16T16:05:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3163.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73650703284605,
              21.3643508810038,
              4.532287829939904
            ],
            [
              -157.7364295979902,
              21.37338410354567,
              4.532287829939904
            ],
            [
              -157.72678540888577,
              21.37331121181297,
              132.1522878299399
            ],
            [
              -157.72686343865377,
              21.364278022582912,
              132.1522878299399
            ],
            [
              -157.73650703284605,
              21.3643508810038,
              4.532287829939904
            ]
          ]
        ]
      },
      "bbox": [
        -157.736507,
        21.36427802,
        4.53228783,
        -157.7267854,
        21.3733841,
        132.1522878
      ],
      "properties": {
        "datetime": "2013-09-21T00:40:52Z",
        "pc:count": 9207468,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631545.1626,
            "count": 9207468,
            "maximum": 631999.9063,
            "minimum": 630999.8663,
            "name": "X",
            "position": 0,
            "stddev": 279.5532223,
            "variance": 78150.00409
          },
          {
            "average": 2363421.987,
            "count": 9207468,
            "maximum": 2363998.473,
            "minimum": 2362998.453,
            "name": "Y",
            "position": 1,
            "stddev": 278.4926398,
            "variance": 77558.15041
          },
          {
            "average": 56.73424386,
            "count": 9207468,
            "maximum": 132.1522878,
            "minimum": 4.53228783,
            "name": "Z",
            "position": 2,
            "stddev": 27.155189,
            "variance": 737.4042898
          },
          {
            "average": 12.11332084,
            "count": 9207468,
            "maximum": 837,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 26.9567279,
            "variance": 726.665179
          },
          {
            "average": 1.91805782,
            "count": 9207468,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.098715272,
            "variance": 1.207175249
          },
          {
            "average": 2.836116183,
            "count": 9207468,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.476365404,
            "variance": 2.179654806
          },
          {
            "average": 1,
            "count": 9207468,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9207468,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.118023761,
            "count": 9207468,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3226362719,
            "variance": 0.1040941639
          },
          {
            "average": 20.1296369,
            "count": 9207468,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.373796805,
            "variance": 5.63491127
          },
          {
            "average": 91.06819215,
            "count": 9207468,
            "maximum": 199,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.77248852,
            "variance": 4458.565223
          },
          {
            "average": 5.879721439,
            "count": 9207468,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.87098852,
            "variance": 14.98455212
          },
          {
            "average": 63750689.67,
            "count": 9207468,
            "maximum": 63759252.61,
            "minimum": 63742993.39,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6463.821834,
            "variance": 41780992.7
          },
          {
            "average": 0,
            "count": 9207468,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9207468,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9207468,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9207468,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9207468,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8663,
          2362998.453,
          4.53228783,
          631999.9063,
          2363998.473,
          132.1522878
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8662653829,
                2362998.4533206415,
                4.532287829939904
              ],
              [
                630999.8662653829,
                2363998.473320641,
                4.532287829939904
              ],
              [
                631999.9062653829,
                2363998.473320641,
                132.1522878299399
              ],
              [
                631999.9062653829,
                2362998.4533206415,
                132.1522878299399
              ],
              [
                630999.8662653829,
                2362998.4533206415,
                4.532287829939904
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:40:52+00:00",
        "end_time": "2013-09-20T20:09:53+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3163.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3163.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3163.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3163.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.736507,
            21.36427802,
            4.53228783,
            -157.7267854,
            21.3733841,
            132.1522878
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73650703284605,
                  21.3643508810038,
                  4.532287829939904
                ],
                [
                  -157.7364295979902,
                  21.37338410354567,
                  4.532287829939904
                ],
                [
                  -157.72678540888577,
                  21.37331121181297,
                  132.1522878299399
                ],
                [
                  -157.72686343865377,
                  21.364278022582912,
                  132.1522878299399
                ],
                [
                  -157.73650703284605,
                  21.3643508810038,
                  4.532287829939904
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3163.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3163.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:40:52Z",
            "pc:count": 9207468,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631545.1626,
                "count": 9207468,
                "maximum": 631999.9063,
                "minimum": 630999.8663,
                "name": "X",
                "position": 0,
                "stddev": 279.5532223,
                "variance": 78150.00409
              },
              {
                "average": 2363421.987,
                "count": 9207468,
                "maximum": 2363998.473,
                "minimum": 2362998.453,
                "name": "Y",
                "position": 1,
                "stddev": 278.4926398,
                "variance": 77558.15041
              },
              {
                "average": 56.73424386,
                "count": 9207468,
                "maximum": 132.1522878,
                "minimum": 4.53228783,
                "name": "Z",
                "position": 2,
                "stddev": 27.155189,
                "variance": 737.4042898
              },
              {
                "average": 12.11332084,
                "count": 9207468,
                "maximum": 837,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 26.9567279,
                "variance": 726.665179
              },
              {
                "average": 1.91805782,
                "count": 9207468,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.098715272,
                "variance": 1.207175249
              },
              {
                "average": 2.836116183,
                "count": 9207468,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.476365404,
                "variance": 2.179654806
              },
              {
                "average": 1,
                "count": 9207468,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9207468,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.118023761,
                "count": 9207468,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3226362719,
                "variance": 0.1040941639
              },
              {
                "average": 20.1296369,
                "count": 9207468,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.373796805,
                "variance": 5.63491127
              },
              {
                "average": 91.06819215,
                "count": 9207468,
                "maximum": 199,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.77248852,
                "variance": 4458.565223
              },
              {
                "average": 5.879721439,
                "count": 9207468,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.87098852,
                "variance": 14.98455212
              },
              {
                "average": 63750689.67,
                "count": 9207468,
                "maximum": 63759252.61,
                "minimum": 63742993.39,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6463.821834,
                "variance": 41780992.7
              },
              {
                "average": 0,
                "count": 9207468,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9207468,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9207468,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9207468,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9207468,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8663,
              2362998.453,
              4.53228783,
              631999.9063,
              2363998.473,
              132.1522878
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8662653829,
                    2362998.4533206415,
                    4.532287829939904
                  ],
                  [
                    630999.8662653829,
                    2363998.473320641,
                    4.532287829939904
                  ],
                  [
                    631999.9062653829,
                    2363998.473320641,
                    132.1522878299399
                  ],
                  [
                    631999.9062653829,
                    2362998.4533206415,
                    132.1522878299399
                  ],
                  [
                    630999.8662653829,
                    2362998.4533206415,
                    4.532287829939904
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:40:52+00:00",
            "end_time": "2013-09-20T20:09:53+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2672.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78405161754407,
              21.446005589039114,
              -12.071435723917903
            ],
            [
              -157.78397671916946,
              21.45503870842542,
              -12.071435723917903
            ],
            [
              -157.77432750810328,
              21.454968274013552,
              28.9285642760821
            ],
            [
              -157.77440301490856,
              21.445935186758614,
              28.9285642760821
            ],
            [
              -157.78405161754407,
              21.446005589039114,
              -12.071435723917903
            ]
          ]
        ]
      },
      "bbox": [
        -157.7840516,
        21.44593519,
        -12.07143572,
        -157.7743275,
        21.45503871,
        28.92856428
      ],
      "properties": {
        "datetime": "2013-09-19T20:56:10Z",
        "pc:count": 3832087,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626559.57,
            "count": 3832087,
            "maximum": 626999.8351,
            "minimum": 625999.8351,
            "name": "X",
            "position": 0,
            "stddev": 318.145799,
            "variance": 101216.7494
          },
          {
            "average": 2372477.334,
            "count": 3832087,
            "maximum": 2372998.477,
            "minimum": 2371998.477,
            "name": "Y",
            "position": 1,
            "stddev": 271.2146999,
            "variance": 73557.41342
          },
          {
            "average": 1.464006488,
            "count": 3832087,
            "maximum": 28.92856428,
            "minimum": -12.07143572,
            "name": "Z",
            "position": 2,
            "stddev": 4.822332544,
            "variance": 23.25489117
          },
          {
            "average": 13.84735367,
            "count": 3832087,
            "maximum": 8623,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 31.72145384,
            "variance": 1006.250633
          },
          {
            "average": 1.325557849,
            "count": 3832087,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.795110109,
            "variance": 0.6322000855
          },
          {
            "average": 1.645480126,
            "count": 3832087,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.265831053,
            "variance": 1.602328254
          },
          {
            "average": 1,
            "count": 3832087,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3832087,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.84279741,
            "count": 3832087,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.85222999,
            "variance": 191.8842758
          },
          {
            "average": 19.97935565,
            "count": 3832087,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.438573997,
            "variance": 5.946643141
          },
          {
            "average": 92.27262716,
            "count": 3832087,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.33221908,
            "variance": 4669.292164
          },
          {
            "average": 6.248838818,
            "count": 3832087,
            "maximum": 10,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.469692293,
            "variance": 2.159995436
          },
          {
            "average": 63655559.82,
            "count": 3832087,
            "maximum": 63659370.32,
            "minimum": 63594425.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 8159.967208,
            "variance": 66585064.83
          },
          {
            "average": 0,
            "count": 3832087,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3832087,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3832087,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3832087,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3832087,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.8351,
          2371998.477,
          -12.07143572,
          626999.8351,
          2372998.477,
          28.92856428
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.8350850283,
                2371998.4768564366,
                -12.071435723917903
              ],
              [
                625999.8350850283,
                2372998.4768564366,
                -12.071435723917903
              ],
              [
                626999.8350850283,
                2372998.4768564366,
                28.9285642760821
              ],
              [
                626999.8350850283,
                2371998.4768564366,
                28.9285642760821
              ],
              [
                625999.8350850283,
                2371998.4768564366,
                -12.071435723917903
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:56:10+00:00",
        "end_time": "2013-09-19T02:53:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2672.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2672.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2672.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2672.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7840516,
            21.44593519,
            -12.07143572,
            -157.7743275,
            21.45503871,
            28.92856428
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78405161754407,
                  21.446005589039114,
                  -12.071435723917903
                ],
                [
                  -157.78397671916946,
                  21.45503870842542,
                  -12.071435723917903
                ],
                [
                  -157.77432750810328,
                  21.454968274013552,
                  28.9285642760821
                ],
                [
                  -157.77440301490856,
                  21.445935186758614,
                  28.9285642760821
                ],
                [
                  -157.78405161754407,
                  21.446005589039114,
                  -12.071435723917903
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2672.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2672.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:56:10Z",
            "pc:count": 3832087,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626559.57,
                "count": 3832087,
                "maximum": 626999.8351,
                "minimum": 625999.8351,
                "name": "X",
                "position": 0,
                "stddev": 318.145799,
                "variance": 101216.7494
              },
              {
                "average": 2372477.334,
                "count": 3832087,
                "maximum": 2372998.477,
                "minimum": 2371998.477,
                "name": "Y",
                "position": 1,
                "stddev": 271.2146999,
                "variance": 73557.41342
              },
              {
                "average": 1.464006488,
                "count": 3832087,
                "maximum": 28.92856428,
                "minimum": -12.07143572,
                "name": "Z",
                "position": 2,
                "stddev": 4.822332544,
                "variance": 23.25489117
              },
              {
                "average": 13.84735367,
                "count": 3832087,
                "maximum": 8623,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 31.72145384,
                "variance": 1006.250633
              },
              {
                "average": 1.325557849,
                "count": 3832087,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.795110109,
                "variance": 0.6322000855
              },
              {
                "average": 1.645480126,
                "count": 3832087,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.265831053,
                "variance": 1.602328254
              },
              {
                "average": 1,
                "count": 3832087,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3832087,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.84279741,
                "count": 3832087,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.85222999,
                "variance": 191.8842758
              },
              {
                "average": 19.97935565,
                "count": 3832087,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.438573997,
                "variance": 5.946643141
              },
              {
                "average": 92.27262716,
                "count": 3832087,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.33221908,
                "variance": 4669.292164
              },
              {
                "average": 6.248838818,
                "count": 3832087,
                "maximum": 10,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.469692293,
                "variance": 2.159995436
              },
              {
                "average": 63655559.82,
                "count": 3832087,
                "maximum": 63659370.32,
                "minimum": 63594425.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 8159.967208,
                "variance": 66585064.83
              },
              {
                "average": 0,
                "count": 3832087,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3832087,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3832087,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3832087,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3832087,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.8351,
              2371998.477,
              -12.07143572,
              626999.8351,
              2372998.477,
              28.92856428
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.8350850283,
                    2371998.4768564366,
                    -12.071435723917903
                  ],
                  [
                    625999.8350850283,
                    2372998.4768564366,
                    -12.071435723917903
                  ],
                  [
                    626999.8350850283,
                    2372998.4768564366,
                    28.9285642760821
                  ],
                  [
                    626999.8350850283,
                    2371998.4768564366,
                    28.9285642760821
                  ],
                  [
                    625999.8350850283,
                    2371998.4768564366,
                    -12.071435723917903
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:56:10+00:00",
            "end_time": "2013-09-19T02:53:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2772.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7744030738208,
              21.445935182404313,
              -0.289651690799587
            ],
            [
              -157.77432756701924,
              21.45496826965945,
              -0.289651690799587
            ],
            [
              -157.7646781280331,
              21.454897293744565,
              34.01034830920042
            ],
            [
              -157.76475423350402,
              21.445864239115885,
              34.01034830920042
            ],
            [
              -157.7744030738208,
              21.445935182404313,
              -0.289651690799587
            ]
          ]
        ]
      },
      "bbox": [
        -157.7744031,
        21.44586424,
        -0.2896516908,
        -157.7646781,
        21.45496827,
        34.01034831
      ],
      "properties": {
        "datetime": "2013-09-19T20:18:26Z",
        "pc:count": 5278807,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627505.0773,
            "count": 5278807,
            "maximum": 627999.849,
            "minimum": 626999.829,
            "name": "X",
            "position": 0,
            "stddev": 283.4418014,
            "variance": 80339.25476
          },
          {
            "average": 2372522.025,
            "count": 5278807,
            "maximum": 2372998.476,
            "minimum": 2371998.476,
            "name": "Y",
            "position": 1,
            "stddev": 293.2247699,
            "variance": 85980.7657
          },
          {
            "average": 3.553572066,
            "count": 5278807,
            "maximum": 34.01034831,
            "minimum": -0.2896516908,
            "name": "Z",
            "position": 2,
            "stddev": 4.249375909,
            "variance": 18.05719562
          },
          {
            "average": 37.53525598,
            "count": 5278807,
            "maximum": 869,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.91072859,
            "variance": 1841.330628
          },
          {
            "average": 1.091128166,
            "count": 5278807,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4117703433,
            "variance": 0.1695548156
          },
          {
            "average": 1.182368099,
            "count": 5278807,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6575169925,
            "variance": 0.4323285955
          },
          {
            "average": 1,
            "count": 5278807,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5278807,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.481594989,
            "count": 5278807,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.343384208,
            "variance": 1.804681131
          },
          {
            "average": 15.43160876,
            "count": 5278807,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.734098883,
            "variance": 76.2844833
          },
          {
            "average": 92.4352061,
            "count": 5278807,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.30990049,
            "variance": 4008.143501
          },
          {
            "average": 5.842840437,
            "count": 5278807,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.953283975,
            "variance": 3.815318288
          },
          {
            "average": 63614108.94,
            "count": 5278807,
            "maximum": 63657106.25,
            "minimum": 63591881.47,
            "name": "GpsTime",
            "position": 12,
            "stddev": 28628.80523,
            "variance": 819608488.9
          },
          {
            "average": 0,
            "count": 5278807,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5278807,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5278807,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5278807,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5278807,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.829,
          2371998.476,
          -0.2896516908,
          627999.849,
          2372998.476,
          34.01034831
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.8289834284,
                2371998.476326665,
                -0.289651690799587
              ],
              [
                626999.8289834284,
                2372998.476326665,
                -0.289651690799587
              ],
              [
                627999.8489834284,
                2372998.476326665,
                34.01034830920042
              ],
              [
                627999.8489834284,
                2371998.476326665,
                34.01034830920042
              ],
              [
                626999.8289834284,
                2371998.476326665,
                -0.289651690799587
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:18:26+00:00",
        "end_time": "2013-09-19T02:11:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2772.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2772.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2772.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2772.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7744031,
            21.44586424,
            -0.2896516908,
            -157.7646781,
            21.45496827,
            34.01034831
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7744030738208,
                  21.445935182404313,
                  -0.289651690799587
                ],
                [
                  -157.77432756701924,
                  21.45496826965945,
                  -0.289651690799587
                ],
                [
                  -157.7646781280331,
                  21.454897293744565,
                  34.01034830920042
                ],
                [
                  -157.76475423350402,
                  21.445864239115885,
                  34.01034830920042
                ],
                [
                  -157.7744030738208,
                  21.445935182404313,
                  -0.289651690799587
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2772.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2772.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:18:26Z",
            "pc:count": 5278807,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627505.0773,
                "count": 5278807,
                "maximum": 627999.849,
                "minimum": 626999.829,
                "name": "X",
                "position": 0,
                "stddev": 283.4418014,
                "variance": 80339.25476
              },
              {
                "average": 2372522.025,
                "count": 5278807,
                "maximum": 2372998.476,
                "minimum": 2371998.476,
                "name": "Y",
                "position": 1,
                "stddev": 293.2247699,
                "variance": 85980.7657
              },
              {
                "average": 3.553572066,
                "count": 5278807,
                "maximum": 34.01034831,
                "minimum": -0.2896516908,
                "name": "Z",
                "position": 2,
                "stddev": 4.249375909,
                "variance": 18.05719562
              },
              {
                "average": 37.53525598,
                "count": 5278807,
                "maximum": 869,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.91072859,
                "variance": 1841.330628
              },
              {
                "average": 1.091128166,
                "count": 5278807,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4117703433,
                "variance": 0.1695548156
              },
              {
                "average": 1.182368099,
                "count": 5278807,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6575169925,
                "variance": 0.4323285955
              },
              {
                "average": 1,
                "count": 5278807,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5278807,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.481594989,
                "count": 5278807,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.343384208,
                "variance": 1.804681131
              },
              {
                "average": 15.43160876,
                "count": 5278807,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.734098883,
                "variance": 76.2844833
              },
              {
                "average": 92.4352061,
                "count": 5278807,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.30990049,
                "variance": 4008.143501
              },
              {
                "average": 5.842840437,
                "count": 5278807,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.953283975,
                "variance": 3.815318288
              },
              {
                "average": 63614108.94,
                "count": 5278807,
                "maximum": 63657106.25,
                "minimum": 63591881.47,
                "name": "GpsTime",
                "position": 12,
                "stddev": 28628.80523,
                "variance": 819608488.9
              },
              {
                "average": 0,
                "count": 5278807,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5278807,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5278807,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5278807,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5278807,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.829,
              2371998.476,
              -0.2896516908,
              627999.849,
              2372998.476,
              34.01034831
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.8289834284,
                    2371998.476326665,
                    -0.289651690799587
                  ],
                  [
                    626999.8289834284,
                    2372998.476326665,
                    -0.289651690799587
                  ],
                  [
                    627999.8489834284,
                    2372998.476326665,
                    34.01034830920042
                  ],
                  [
                    627999.8489834284,
                    2371998.476326665,
                    34.01034830920042
                  ],
                  [
                    626999.8289834284,
                    2371998.476326665,
                    -0.289651690799587
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:18:26+00:00",
            "end_time": "2013-09-19T02:11:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3062.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.74130340309006,
              21.359938738795055,
              18.44707730062411
            ],
            [
              -157.74126542675992,
              21.364386801451253,
              18.44707730062411
            ],
            [
              -157.7365068761998,
              21.364351054111296,
              94.04707730062412
            ],
            [
              -157.73654499639716,
              21.359902999545643,
              94.04707730062412
            ],
            [
              -157.74130340309006,
              21.359938738795055,
              18.44707730062411
            ]
          ]
        ]
      },
      "bbox": [
        -157.7413034,
        21.359903,
        18.4470773,
        -157.7365069,
        21.3643868,
        94.0470773
      ],
      "properties": {
        "datetime": "2013-09-21T00:53:45Z",
        "pc:count": 1180480,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630829.6076,
            "count": 1180480,
            "maximum": 630999.8824,
            "minimum": 630506.4224,
            "name": "X",
            "position": 0,
            "stddev": 123.4278131,
            "variance": 15234.42504
          },
          {
            "average": 2362838.134,
            "count": 1180480,
            "maximum": 2362998.473,
            "minimum": 2362506.053,
            "name": "Y",
            "position": 1,
            "stddev": 124.1797085,
            "variance": 15420.6
          },
          {
            "average": 56.56884057,
            "count": 1180480,
            "maximum": 94.0470773,
            "minimum": 18.4470773,
            "name": "Z",
            "position": 2,
            "stddev": 10.61306534,
            "variance": 112.637156
          },
          {
            "average": 10.42695683,
            "count": 1180480,
            "maximum": 671,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.21706044,
            "variance": 450.1636537
          },
          {
            "average": 2.095304452,
            "count": 1180480,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.194460862,
            "variance": 1.426736751
          },
          {
            "average": 3.186884996,
            "count": 1180480,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.569965432,
            "variance": 2.464791456
          },
          {
            "average": 1,
            "count": 1180480,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1180480,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.141543271,
            "count": 1180480,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.348581233,
            "variance": 0.121508876
          },
          {
            "average": 19.97089437,
            "count": 1180480,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.162573181,
            "variance": 4.676722763
          },
          {
            "average": 91.1540187,
            "count": 1180480,
            "maximum": 202,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.27354419,
            "variance": 4525.729748
          },
          {
            "average": 4.757125915,
            "count": 1180480,
            "maximum": 5,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4405957745,
            "variance": 0.1941246365
          },
          {
            "average": 63759834.8,
            "count": 1180480,
            "maximum": 63760025.63,
            "minimum": 63758877.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 331.8688714,
            "variance": 110136.9478
          },
          {
            "average": 0,
            "count": 1180480,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1180480,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1180480,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1180480,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1180480,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630506.4224,
          2362506.053,
          18.4470773,
          630999.8824,
          2362998.473,
          94.0470773
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630506.4223546628,
                2362506.052613714,
                18.44707730062411
              ],
              [
                630506.4223546628,
                2362998.4726137137,
                18.44707730062411
              ],
              [
                630999.8823546628,
                2362998.4726137137,
                94.04707730062412
              ],
              [
                630999.8823546628,
                2362506.052613714,
                94.04707730062412
              ],
              [
                630506.4223546628,
                2362506.052613714,
                18.44707730062411
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:53:45+00:00",
        "end_time": "2013-09-21T00:34:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3062.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3062.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3062.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3062.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7413034,
            21.359903,
            18.4470773,
            -157.7365069,
            21.3643868,
            94.0470773
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.74130340309006,
                  21.359938738795055,
                  18.44707730062411
                ],
                [
                  -157.74126542675992,
                  21.364386801451253,
                  18.44707730062411
                ],
                [
                  -157.7365068761998,
                  21.364351054111296,
                  94.04707730062412
                ],
                [
                  -157.73654499639716,
                  21.359902999545643,
                  94.04707730062412
                ],
                [
                  -157.74130340309006,
                  21.359938738795055,
                  18.44707730062411
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3062.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3062.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:53:45Z",
            "pc:count": 1180480,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630829.6076,
                "count": 1180480,
                "maximum": 630999.8824,
                "minimum": 630506.4224,
                "name": "X",
                "position": 0,
                "stddev": 123.4278131,
                "variance": 15234.42504
              },
              {
                "average": 2362838.134,
                "count": 1180480,
                "maximum": 2362998.473,
                "minimum": 2362506.053,
                "name": "Y",
                "position": 1,
                "stddev": 124.1797085,
                "variance": 15420.6
              },
              {
                "average": 56.56884057,
                "count": 1180480,
                "maximum": 94.0470773,
                "minimum": 18.4470773,
                "name": "Z",
                "position": 2,
                "stddev": 10.61306534,
                "variance": 112.637156
              },
              {
                "average": 10.42695683,
                "count": 1180480,
                "maximum": 671,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.21706044,
                "variance": 450.1636537
              },
              {
                "average": 2.095304452,
                "count": 1180480,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.194460862,
                "variance": 1.426736751
              },
              {
                "average": 3.186884996,
                "count": 1180480,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.569965432,
                "variance": 2.464791456
              },
              {
                "average": 1,
                "count": 1180480,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1180480,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.141543271,
                "count": 1180480,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.348581233,
                "variance": 0.121508876
              },
              {
                "average": 19.97089437,
                "count": 1180480,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.162573181,
                "variance": 4.676722763
              },
              {
                "average": 91.1540187,
                "count": 1180480,
                "maximum": 202,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.27354419,
                "variance": 4525.729748
              },
              {
                "average": 4.757125915,
                "count": 1180480,
                "maximum": 5,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4405957745,
                "variance": 0.1941246365
              },
              {
                "average": 63759834.8,
                "count": 1180480,
                "maximum": 63760025.63,
                "minimum": 63758877.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 331.8688714,
                "variance": 110136.9478
              },
              {
                "average": 0,
                "count": 1180480,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1180480,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1180480,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1180480,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1180480,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630506.4224,
              2362506.053,
              18.4470773,
              630999.8824,
              2362998.473,
              94.0470773
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630506.4223546628,
                    2362506.052613714,
                    18.44707730062411
                  ],
                  [
                    630506.4223546628,
                    2362998.4726137137,
                    18.44707730062411
                  ],
                  [
                    630999.8823546628,
                    2362998.4726137137,
                    94.04707730062412
                  ],
                  [
                    630999.8823546628,
                    2362506.052613714,
                    94.04707730062412
                  ],
                  [
                    630506.4223546628,
                    2362506.052613714,
                    18.44707730062411
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:53:45+00:00",
            "end_time": "2013-09-21T00:34:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2275.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82242942467542,
              21.473381194365167,
              -13.83706934891547
            ],
            [
              -157.82235680294514,
              21.482414590246474,
              -13.83706934891547
            ],
            [
              -157.81270553574385,
              21.482346311893927,
              0.382930651084529
            ],
            [
              -157.81277875192222,
              21.4733129475909,
              0.382930651084529
            ],
            [
              -157.82242942467542,
              21.473381194365167,
              -13.83706934891547
            ]
          ]
        ]
      },
      "bbox": [
        -157.8224294,
        21.47331295,
        -13.83706935,
        -157.8127055,
        21.48241459,
        0.3829306511
      ],
      "properties": {
        "datetime": "2013-09-20T19:18:42Z",
        "pc:count": 3923230,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622508.5937,
            "count": 3923230,
            "maximum": 622999.8136,
            "minimum": 621999.8136,
            "name": "X",
            "position": 0,
            "stddev": 284.3185846,
            "variance": 80837.05753
          },
          {
            "average": 2375512.531,
            "count": 3923230,
            "maximum": 2375998.49,
            "minimum": 2374998.47,
            "name": "Y",
            "position": 1,
            "stddev": 276.1896734,
            "variance": 76280.73572
          },
          {
            "average": -1.922700637,
            "count": 3923230,
            "maximum": 0.3829306511,
            "minimum": -13.83706935,
            "name": "Z",
            "position": 2,
            "stddev": 1.28728167,
            "variance": 1.657094098
          },
          {
            "average": 7.522745289,
            "count": 3923230,
            "maximum": 7566,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.82382629,
            "variance": 520.9270465
          },
          {
            "average": 1.007379124,
            "count": 3923230,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08625772567,
            "variance": 0.007440395237
          },
          {
            "average": 1.011728856,
            "count": 3923230,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1087652148,
            "variance": 0.01182987195
          },
          {
            "average": 1,
            "count": 3923230,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3923230,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3923230,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.11426545,
            "count": 3923230,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.234271597,
            "variance": 4.991969571
          },
          {
            "average": 88.95399556,
            "count": 3923230,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 72.3323741,
            "variance": 5231.972342
          },
          {
            "average": 6.948903072,
            "count": 3923230,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.300240596,
            "variance": 10.89158799
          },
          {
            "average": 63663699.73,
            "count": 3923230,
            "maximum": 63739922.93,
            "minimum": 63656659.73,
            "name": "GpsTime",
            "position": 12,
            "stddev": 11187.644,
            "variance": 125163378.4
          },
          {
            "average": 0,
            "count": 3923230,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3923230,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3923230,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3923230,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3923230,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.8136,
          2374998.47,
          -13.83706935,
          622999.8136,
          2375998.49,
          0.3829306511
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.8135577687,
                2374998.469579421,
                -13.83706934891547
              ],
              [
                621999.8135577687,
                2375998.4895794205,
                -13.83706934891547
              ],
              [
                622999.8135577687,
                2375998.4895794205,
                0.382930651084529
              ],
              [
                622999.8135577687,
                2374998.469579421,
                0.382930651084529
              ],
              [
                621999.8135577687,
                2374998.469579421,
                -13.83706934891547
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:18:42+00:00",
        "end_time": "2013-09-19T20:10:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2275.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2275.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2275.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2275.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8224294,
            21.47331295,
            -13.83706935,
            -157.8127055,
            21.48241459,
            0.3829306511
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82242942467542,
                  21.473381194365167,
                  -13.83706934891547
                ],
                [
                  -157.82235680294514,
                  21.482414590246474,
                  -13.83706934891547
                ],
                [
                  -157.81270553574385,
                  21.482346311893927,
                  0.382930651084529
                ],
                [
                  -157.81277875192222,
                  21.4733129475909,
                  0.382930651084529
                ],
                [
                  -157.82242942467542,
                  21.473381194365167,
                  -13.83706934891547
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2275.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2275.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:18:42Z",
            "pc:count": 3923230,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622508.5937,
                "count": 3923230,
                "maximum": 622999.8136,
                "minimum": 621999.8136,
                "name": "X",
                "position": 0,
                "stddev": 284.3185846,
                "variance": 80837.05753
              },
              {
                "average": 2375512.531,
                "count": 3923230,
                "maximum": 2375998.49,
                "minimum": 2374998.47,
                "name": "Y",
                "position": 1,
                "stddev": 276.1896734,
                "variance": 76280.73572
              },
              {
                "average": -1.922700637,
                "count": 3923230,
                "maximum": 0.3829306511,
                "minimum": -13.83706935,
                "name": "Z",
                "position": 2,
                "stddev": 1.28728167,
                "variance": 1.657094098
              },
              {
                "average": 7.522745289,
                "count": 3923230,
                "maximum": 7566,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.82382629,
                "variance": 520.9270465
              },
              {
                "average": 1.007379124,
                "count": 3923230,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08625772567,
                "variance": 0.007440395237
              },
              {
                "average": 1.011728856,
                "count": 3923230,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1087652148,
                "variance": 0.01182987195
              },
              {
                "average": 1,
                "count": 3923230,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3923230,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3923230,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.11426545,
                "count": 3923230,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.234271597,
                "variance": 4.991969571
              },
              {
                "average": 88.95399556,
                "count": 3923230,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 72.3323741,
                "variance": 5231.972342
              },
              {
                "average": 6.948903072,
                "count": 3923230,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.300240596,
                "variance": 10.89158799
              },
              {
                "average": 63663699.73,
                "count": 3923230,
                "maximum": 63739922.93,
                "minimum": 63656659.73,
                "name": "GpsTime",
                "position": 12,
                "stddev": 11187.644,
                "variance": 125163378.4
              },
              {
                "average": 0,
                "count": 3923230,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3923230,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3923230,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3923230,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3923230,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.8136,
              2374998.47,
              -13.83706935,
              622999.8136,
              2375998.49,
              0.3829306511
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.8135577687,
                    2374998.469579421,
                    -13.83706934891547
                  ],
                  [
                    621999.8135577687,
                    2375998.4895794205,
                    -13.83706934891547
                  ],
                  [
                    622999.8135577687,
                    2375998.4895794205,
                    0.382930651084529
                  ],
                  [
                    622999.8135577687,
                    2374998.469579421,
                    0.382930651084529
                  ],
                  [
                    621999.8135577687,
                    2374998.469579421,
                    -13.83706934891547
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:18:42+00:00",
            "end_time": "2013-09-19T20:10:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3263.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7268635946597,
              21.36427809727299,
              2.666756160881185
            ],
            [
              -157.72678556490115,
              21.3733112865035,
              2.666756160881185
            ],
            [
              -157.7171413716068,
              21.37323784315404,
              105.96675616088118
            ],
            [
              -157.71722001094096,
              21.364204686508465,
              105.96675616088118
            ],
            [
              -157.7268635946597,
              21.36427809727299,
              2.666756160881185
            ]
          ]
        ]
      },
      "bbox": [
        -157.7268636,
        21.36420469,
        2.666756161,
        -157.7171414,
        21.37331129,
        105.9667562
      ],
      "properties": {
        "datetime": "2013-09-20T20:50:07Z",
        "pc:count": 9462072,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632533.7981,
            "count": 9462072,
            "maximum": 632999.93,
            "minimum": 631999.89,
            "name": "X",
            "position": 0,
            "stddev": 301.690858,
            "variance": 91017.37381
          },
          {
            "average": 2363460.42,
            "count": 9462072,
            "maximum": 2363998.481,
            "minimum": 2362998.461,
            "name": "Y",
            "position": 1,
            "stddev": 302.7786088,
            "variance": 91674.88594
          },
          {
            "average": 39.73923553,
            "count": 9462072,
            "maximum": 105.9667562,
            "minimum": 2.666756161,
            "name": "Z",
            "position": 2,
            "stddev": 21.7372145,
            "variance": 472.5064943
          },
          {
            "average": 12.23946288,
            "count": 9462072,
            "maximum": 704,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.66944076,
            "variance": 880.2757152
          },
          {
            "average": 1.969544197,
            "count": 9462072,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.098120105,
            "variance": 1.205867764
          },
          {
            "average": 2.939978051,
            "count": 9462072,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.42979699,
            "variance": 2.044319432
          },
          {
            "average": 1,
            "count": 9462072,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9462072,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.118471514,
            "count": 9462072,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3231656321,
            "variance": 0.1044360258
          },
          {
            "average": 20.12443205,
            "count": 9462072,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.007962867,
            "variance": 4.031914874
          },
          {
            "average": 90.91841058,
            "count": 9462072,
            "maximum": 200,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.19307038,
            "variance": 4514.908707
          },
          {
            "average": 6.584899692,
            "count": 9462072,
            "maximum": 10,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.765165964,
            "variance": 3.115810882
          },
          {
            "average": 63743448.41,
            "count": 9462072,
            "maximum": 63745407.53,
            "minimum": 63741402.96,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1050.440645,
            "variance": 1103425.549
          },
          {
            "average": 0,
            "count": 9462072,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9462072,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9462072,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9462072,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9462072,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.89,
          2362998.461,
          2.666756161,
          632999.93,
          2363998.481,
          105.9667562
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.8900217211,
                2362998.4614576977,
                2.666756160881185
              ],
              [
                631999.8900217211,
                2363998.481457697,
                2.666756160881185
              ],
              [
                632999.9300217212,
                2363998.481457697,
                105.96675616088118
              ],
              [
                632999.9300217212,
                2362998.4614576977,
                105.96675616088118
              ],
              [
                631999.8900217211,
                2362998.4614576977,
                2.666756160881185
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:50:07+00:00",
        "end_time": "2013-09-20T19:43:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3263.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3263.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3263.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3263.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7268636,
            21.36420469,
            2.666756161,
            -157.7171414,
            21.37331129,
            105.9667562
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7268635946597,
                  21.36427809727299,
                  2.666756160881185
                ],
                [
                  -157.72678556490115,
                  21.3733112865035,
                  2.666756160881185
                ],
                [
                  -157.7171413716068,
                  21.37323784315404,
                  105.96675616088118
                ],
                [
                  -157.71722001094096,
                  21.364204686508465,
                  105.96675616088118
                ],
                [
                  -157.7268635946597,
                  21.36427809727299,
                  2.666756160881185
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3263.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3263.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:50:07Z",
            "pc:count": 9462072,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632533.7981,
                "count": 9462072,
                "maximum": 632999.93,
                "minimum": 631999.89,
                "name": "X",
                "position": 0,
                "stddev": 301.690858,
                "variance": 91017.37381
              },
              {
                "average": 2363460.42,
                "count": 9462072,
                "maximum": 2363998.481,
                "minimum": 2362998.461,
                "name": "Y",
                "position": 1,
                "stddev": 302.7786088,
                "variance": 91674.88594
              },
              {
                "average": 39.73923553,
                "count": 9462072,
                "maximum": 105.9667562,
                "minimum": 2.666756161,
                "name": "Z",
                "position": 2,
                "stddev": 21.7372145,
                "variance": 472.5064943
              },
              {
                "average": 12.23946288,
                "count": 9462072,
                "maximum": 704,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.66944076,
                "variance": 880.2757152
              },
              {
                "average": 1.969544197,
                "count": 9462072,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.098120105,
                "variance": 1.205867764
              },
              {
                "average": 2.939978051,
                "count": 9462072,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.42979699,
                "variance": 2.044319432
              },
              {
                "average": 1,
                "count": 9462072,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9462072,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.118471514,
                "count": 9462072,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3231656321,
                "variance": 0.1044360258
              },
              {
                "average": 20.12443205,
                "count": 9462072,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.007962867,
                "variance": 4.031914874
              },
              {
                "average": 90.91841058,
                "count": 9462072,
                "maximum": 200,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.19307038,
                "variance": 4514.908707
              },
              {
                "average": 6.584899692,
                "count": 9462072,
                "maximum": 10,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.765165964,
                "variance": 3.115810882
              },
              {
                "average": 63743448.41,
                "count": 9462072,
                "maximum": 63745407.53,
                "minimum": 63741402.96,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1050.440645,
                "variance": 1103425.549
              },
              {
                "average": 0,
                "count": 9462072,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9462072,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9462072,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9462072,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9462072,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.89,
              2362998.461,
              2.666756161,
              632999.93,
              2363998.481,
              105.9667562
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.8900217211,
                    2362998.4614576977,
                    2.666756160881185
                  ],
                  [
                    631999.8900217211,
                    2363998.481457697,
                    2.666756160881185
                  ],
                  [
                    632999.9300217212,
                    2363998.481457697,
                    105.96675616088118
                  ],
                  [
                    632999.9300217212,
                    2362998.4614576977,
                    105.96675616088118
                  ],
                  [
                    631999.8900217211,
                    2362998.4614576977,
                    2.666756160881185
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:50:07+00:00",
            "end_time": "2013-09-20T19:43:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2569.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.79392318363597,
              21.41897583388342,
              -10.009313310314134
            ],
            [
              -157.7938489868523,
              21.428009015228312,
              -10.009313310314134
            ],
            [
              -157.7842014461199,
              21.42793925236056,
              92.09068668968587
            ],
            [
              -157.78427624969828,
              21.418906104446176,
              92.09068668968587
            ],
            [
              -157.79392318363597,
              21.41897583388342,
              -10.009313310314134
            ]
          ]
        ]
      },
      "bbox": [
        -157.7939232,
        21.4189061,
        -10.00931331,
        -157.7842014,
        21.42800902,
        92.09068669
      ],
      "properties": {
        "datetime": "2013-09-21T00:32:31Z",
        "pc:count": 3809663,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625332.8585,
            "count": 3809663,
            "maximum": 625999.82,
            "minimum": 624999.82,
            "name": "X",
            "position": 0,
            "stddev": 265.8237573,
            "variance": 70662.26992
          },
          {
            "average": 2369498.903,
            "count": 3809663,
            "maximum": 2369998.469,
            "minimum": 2368998.469,
            "name": "Y",
            "position": 1,
            "stddev": 248.8512783,
            "variance": 61926.95871
          },
          {
            "average": 17.95427477,
            "count": 3809663,
            "maximum": 92.09068669,
            "minimum": -10.00931331,
            "name": "Z",
            "position": 2,
            "stddev": 20.49921714,
            "variance": 420.2179032
          },
          {
            "average": 15.3960933,
            "count": 3809663,
            "maximum": 8637,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 34.55165959,
            "variance": 1193.81718
          },
          {
            "average": 1.479415371,
            "count": 3809663,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8745488537,
            "variance": 0.7648356975
          },
          {
            "average": 1.958985611,
            "count": 3809663,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.315002564,
            "variance": 1.729231743
          },
          {
            "average": 1,
            "count": 3809663,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3809663,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.376311501,
            "count": 3809663,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.19617244,
            "variance": 148.7466222
          },
          {
            "average": 20.09608886,
            "count": 3809663,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.148483036,
            "variance": 4.615979357
          },
          {
            "average": 91.02179117,
            "count": 3809663,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.14727921,
            "variance": 4644.051663
          },
          {
            "average": 6.817548954,
            "count": 3809663,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.576118441,
            "variance": 12.7886231
          },
          {
            "average": 63748544.1,
            "count": 3809663,
            "maximum": 63758751.25,
            "minimum": 63742447.71,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5842.623914,
            "variance": 34136254.21
          },
          {
            "average": 0,
            "count": 3809663,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3809663,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3809663,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3809663,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3809663,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.82,
          2368998.469,
          -10.00931331,
          625999.82,
          2369998.469,
          92.09068669
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.8199849031,
                2368998.4691408155,
                -10.009313310314134
              ],
              [
                624999.8199849031,
                2369998.4691408155,
                -10.009313310314134
              ],
              [
                625999.8199849031,
                2369998.4691408155,
                92.09068668968587
              ],
              [
                625999.8199849031,
                2368998.4691408155,
                92.09068668968587
              ],
              [
                624999.8199849031,
                2368998.4691408155,
                -10.009313310314134
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:32:31+00:00",
        "end_time": "2013-09-20T20:00:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2569.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2569.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2569.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2569.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7939232,
            21.4189061,
            -10.00931331,
            -157.7842014,
            21.42800902,
            92.09068669
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.79392318363597,
                  21.41897583388342,
                  -10.009313310314134
                ],
                [
                  -157.7938489868523,
                  21.428009015228312,
                  -10.009313310314134
                ],
                [
                  -157.7842014461199,
                  21.42793925236056,
                  92.09068668968587
                ],
                [
                  -157.78427624969828,
                  21.418906104446176,
                  92.09068668968587
                ],
                [
                  -157.79392318363597,
                  21.41897583388342,
                  -10.009313310314134
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2569.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2569.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:32:31Z",
            "pc:count": 3809663,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625332.8585,
                "count": 3809663,
                "maximum": 625999.82,
                "minimum": 624999.82,
                "name": "X",
                "position": 0,
                "stddev": 265.8237573,
                "variance": 70662.26992
              },
              {
                "average": 2369498.903,
                "count": 3809663,
                "maximum": 2369998.469,
                "minimum": 2368998.469,
                "name": "Y",
                "position": 1,
                "stddev": 248.8512783,
                "variance": 61926.95871
              },
              {
                "average": 17.95427477,
                "count": 3809663,
                "maximum": 92.09068669,
                "minimum": -10.00931331,
                "name": "Z",
                "position": 2,
                "stddev": 20.49921714,
                "variance": 420.2179032
              },
              {
                "average": 15.3960933,
                "count": 3809663,
                "maximum": 8637,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 34.55165959,
                "variance": 1193.81718
              },
              {
                "average": 1.479415371,
                "count": 3809663,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8745488537,
                "variance": 0.7648356975
              },
              {
                "average": 1.958985611,
                "count": 3809663,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.315002564,
                "variance": 1.729231743
              },
              {
                "average": 1,
                "count": 3809663,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3809663,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.376311501,
                "count": 3809663,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.19617244,
                "variance": 148.7466222
              },
              {
                "average": 20.09608886,
                "count": 3809663,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.148483036,
                "variance": 4.615979357
              },
              {
                "average": 91.02179117,
                "count": 3809663,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.14727921,
                "variance": 4644.051663
              },
              {
                "average": 6.817548954,
                "count": 3809663,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.576118441,
                "variance": 12.7886231
              },
              {
                "average": 63748544.1,
                "count": 3809663,
                "maximum": 63758751.25,
                "minimum": 63742447.71,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5842.623914,
                "variance": 34136254.21
              },
              {
                "average": 0,
                "count": 3809663,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3809663,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3809663,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3809663,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3809663,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.82,
              2368998.469,
              -10.00931331,
              625999.82,
              2369998.469,
              92.09068669
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.8199849031,
                    2368998.4691408155,
                    -10.009313310314134
                  ],
                  [
                    624999.8199849031,
                    2369998.4691408155,
                    -10.009313310314134
                  ],
                  [
                    625999.8199849031,
                    2369998.4691408155,
                    92.09068668968587
                  ],
                  [
                    625999.8199849031,
                    2368998.4691408155,
                    92.09068668968587
                  ],
                  [
                    624999.8199849031,
                    2368998.4691408155,
                    -10.009313310314134
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:32:31+00:00",
            "end_time": "2013-09-20T20:00:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2673.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78397672891188,
              21.455038590028458,
              -12.477927379561585
            ],
            [
              -157.78390179088223,
              21.464071880323925,
              -12.477927379561585
            ],
            [
              -157.7742519710878,
              21.464001414603775,
              8.762072620438417
            ],
            [
              -157.77432751785366,
              21.45496815561752,
              8.762072620438417
            ],
            [
              -157.78397672891188,
              21.455038590028458,
              -12.477927379561585
            ]
          ]
        ]
      },
      "bbox": [
        -157.7839767,
        21.45496816,
        -12.47792738,
        -157.774252,
        21.46407188,
        8.76207262
      ],
      "properties": {
        "datetime": "2013-09-19T20:10:04Z",
        "pc:count": 4159034,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626491.1789,
            "count": 4159034,
            "maximum": 626999.8342,
            "minimum": 625999.8342,
            "name": "X",
            "position": 0,
            "stddev": 288.3204189,
            "variance": 83128.66396
          },
          {
            "average": 2373527.776,
            "count": 4159034,
            "maximum": 2373998.484,
            "minimum": 2372998.464,
            "name": "Y",
            "position": 1,
            "stddev": 288.8366824,
            "variance": 83426.62909
          },
          {
            "average": -3.050125325,
            "count": 4159034,
            "maximum": 8.76207262,
            "minimum": -12.47792738,
            "name": "Z",
            "position": 2,
            "stddev": 2.097771062,
            "variance": 4.400643427
          },
          {
            "average": 7.288928871,
            "count": 4159034,
            "maximum": 5042,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 22.87007944,
            "variance": 523.0405335
          },
          {
            "average": 1.019609842,
            "count": 4159034,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1405002647,
            "variance": 0.01974032437
          },
          {
            "average": 1.032727311,
            "count": 4159034,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.181491687,
            "variance": 0.03293923245
          },
          {
            "average": 1,
            "count": 4159034,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4159034,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.93176925,
            "count": 4159034,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.380495205,
            "variance": 1.905767011
          },
          {
            "average": 20.10704472,
            "count": 4159034,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.385171238,
            "variance": 5.689041836
          },
          {
            "average": 91.01983513,
            "count": 4159034,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.26384942,
            "variance": 4659.953138
          },
          {
            "average": 5.709142796,
            "count": 4159034,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.065054079,
            "variance": 4.264448347
          },
          {
            "average": 63612574.77,
            "count": 4159034,
            "maximum": 63656604.69,
            "minimum": 63591901.04,
            "name": "GpsTime",
            "position": 12,
            "stddev": 28072.73012,
            "variance": 788078176.6
          },
          {
            "average": 0,
            "count": 4159034,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4159034,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4159034,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4159034,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4159034,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.8342,
          2372998.464,
          -12.47792738,
          626999.8342,
          2373998.484,
          8.76207262
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.8341771958,
                2372998.463742396,
                -12.477927379561585
              ],
              [
                625999.8341771958,
                2373998.4837423954,
                -12.477927379561585
              ],
              [
                626999.8341771958,
                2373998.4837423954,
                8.762072620438417
              ],
              [
                626999.8341771958,
                2372998.463742396,
                8.762072620438417
              ],
              [
                625999.8341771958,
                2372998.463742396,
                -12.477927379561585
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:10:04+00:00",
        "end_time": "2013-09-19T02:11:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2673.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2673.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2673.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2673.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7839767,
            21.45496816,
            -12.47792738,
            -157.774252,
            21.46407188,
            8.76207262
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78397672891188,
                  21.455038590028458,
                  -12.477927379561585
                ],
                [
                  -157.78390179088223,
                  21.464071880323925,
                  -12.477927379561585
                ],
                [
                  -157.7742519710878,
                  21.464001414603775,
                  8.762072620438417
                ],
                [
                  -157.77432751785366,
                  21.45496815561752,
                  8.762072620438417
                ],
                [
                  -157.78397672891188,
                  21.455038590028458,
                  -12.477927379561585
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2673.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2673.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:10:04Z",
            "pc:count": 4159034,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626491.1789,
                "count": 4159034,
                "maximum": 626999.8342,
                "minimum": 625999.8342,
                "name": "X",
                "position": 0,
                "stddev": 288.3204189,
                "variance": 83128.66396
              },
              {
                "average": 2373527.776,
                "count": 4159034,
                "maximum": 2373998.484,
                "minimum": 2372998.464,
                "name": "Y",
                "position": 1,
                "stddev": 288.8366824,
                "variance": 83426.62909
              },
              {
                "average": -3.050125325,
                "count": 4159034,
                "maximum": 8.76207262,
                "minimum": -12.47792738,
                "name": "Z",
                "position": 2,
                "stddev": 2.097771062,
                "variance": 4.400643427
              },
              {
                "average": 7.288928871,
                "count": 4159034,
                "maximum": 5042,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 22.87007944,
                "variance": 523.0405335
              },
              {
                "average": 1.019609842,
                "count": 4159034,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1405002647,
                "variance": 0.01974032437
              },
              {
                "average": 1.032727311,
                "count": 4159034,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.181491687,
                "variance": 0.03293923245
              },
              {
                "average": 1,
                "count": 4159034,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4159034,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.93176925,
                "count": 4159034,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.380495205,
                "variance": 1.905767011
              },
              {
                "average": 20.10704472,
                "count": 4159034,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.385171238,
                "variance": 5.689041836
              },
              {
                "average": 91.01983513,
                "count": 4159034,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.26384942,
                "variance": 4659.953138
              },
              {
                "average": 5.709142796,
                "count": 4159034,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.065054079,
                "variance": 4.264448347
              },
              {
                "average": 63612574.77,
                "count": 4159034,
                "maximum": 63656604.69,
                "minimum": 63591901.04,
                "name": "GpsTime",
                "position": 12,
                "stddev": 28072.73012,
                "variance": 788078176.6
              },
              {
                "average": 0,
                "count": 4159034,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4159034,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4159034,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4159034,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4159034,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.8342,
              2372998.464,
              -12.47792738,
              626999.8342,
              2373998.484,
              8.76207262
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.8341771958,
                    2372998.463742396,
                    -12.477927379561585
                  ],
                  [
                    625999.8341771958,
                    2373998.4837423954,
                    -12.477927379561585
                  ],
                  [
                    626999.8341771958,
                    2373998.4837423954,
                    8.762072620438417
                  ],
                  [
                    626999.8341771958,
                    2372998.463742396,
                    8.762072620438417
                  ],
                  [
                    625999.8341771958,
                    2372998.463742396,
                    -12.477927379561585
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:10:04+00:00",
            "end_time": "2013-09-19T02:11:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2570.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7938489692668,
              21.42800888740077,
              -16.13831885885125
            ],
            [
              -157.79377474326932,
              21.437042239481894,
              -16.13831885885125
            ],
            [
              -157.78412660496292,
              21.436972444094202,
              47.72168114114875
            ],
            [
              -157.78420142854299,
              21.427939124532397,
              47.72168114114875
            ],
            [
              -157.7938489692668,
              21.42800888740077,
              -16.13831885885125
            ]
          ]
        ]
      },
      "bbox": [
        -157.793849,
        21.42793912,
        -16.13831886,
        -157.7841266,
        21.43704224,
        47.72168114
      ],
      "properties": {
        "datetime": "2013-09-20T20:40:08Z",
        "pc:count": 1749901,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 625511.7647,
            "count": 1749901,
            "maximum": 625999.8219,
            "minimum": 624999.8219,
            "name": "X",
            "position": 0,
            "stddev": 215.5435644,
            "variance": 46459.02815
          },
          {
            "average": 2370513.159,
            "count": 1749901,
            "maximum": 2370998.475,
            "minimum": 2369998.455,
            "name": "Y",
            "position": 1,
            "stddev": 247.698139,
            "variance": 61354.36804
          },
          {
            "average": 7.583088324,
            "count": 1749901,
            "maximum": 47.72168114,
            "minimum": -16.13831886,
            "name": "Z",
            "position": 2,
            "stddev": 8.394802387,
            "variance": 70.47270712
          },
          {
            "average": 10.30014155,
            "count": 1749901,
            "maximum": 6983,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.70785746,
            "variance": 824.1410802
          },
          {
            "average": 1.750116149,
            "count": 1749901,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.044833263,
            "variance": 1.091676547
          },
          {
            "average": 2.530120847,
            "count": 1749901,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.49033529,
            "variance": 2.221099277
          },
          {
            "average": 1,
            "count": 1749901,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1749901,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.604581059,
            "count": 1749901,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.77987307,
            "variance": 138.7654096
          },
          {
            "average": 20.10355539,
            "count": 1749901,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.504516296,
            "variance": 6.272601879
          },
          {
            "average": 90.75755314,
            "count": 1749901,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.11590899,
            "variance": 4777.008876
          },
          {
            "average": 5.240611897,
            "count": 1749901,
            "maximum": 9,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.536647224,
            "variance": 2.361284692
          },
          {
            "average": 63742631.06,
            "count": 1749901,
            "maximum": 63744808.75,
            "minimum": 63741246.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 908.7115369,
            "variance": 825756.6573
          },
          {
            "average": 0,
            "count": 1749901,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1749901,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1749901,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1749901,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1749901,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          624999.8219,
          2369998.455,
          -16.13831886,
          625999.8219,
          2370998.475,
          47.72168114
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                624999.8219164242,
                2369998.455004777,
                -16.13831885885125
              ],
              [
                624999.8219164242,
                2370998.4750047764,
                -16.13831885885125
              ],
              [
                625999.8219164242,
                2370998.4750047764,
                47.72168114114875
              ],
              [
                625999.8219164242,
                2369998.455004777,
                47.72168114114875
              ],
              [
                624999.8219164242,
                2369998.455004777,
                -16.13831885885125
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:40:08+00:00",
        "end_time": "2013-09-20T19:40:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2570.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2570.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2570.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2570.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.793849,
            21.42793912,
            -16.13831886,
            -157.7841266,
            21.43704224,
            47.72168114
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7938489692668,
                  21.42800888740077,
                  -16.13831885885125
                ],
                [
                  -157.79377474326932,
                  21.437042239481894,
                  -16.13831885885125
                ],
                [
                  -157.78412660496292,
                  21.436972444094202,
                  47.72168114114875
                ],
                [
                  -157.78420142854299,
                  21.427939124532397,
                  47.72168114114875
                ],
                [
                  -157.7938489692668,
                  21.42800888740077,
                  -16.13831885885125
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2570.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2570.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:40:08Z",
            "pc:count": 1749901,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 625511.7647,
                "count": 1749901,
                "maximum": 625999.8219,
                "minimum": 624999.8219,
                "name": "X",
                "position": 0,
                "stddev": 215.5435644,
                "variance": 46459.02815
              },
              {
                "average": 2370513.159,
                "count": 1749901,
                "maximum": 2370998.475,
                "minimum": 2369998.455,
                "name": "Y",
                "position": 1,
                "stddev": 247.698139,
                "variance": 61354.36804
              },
              {
                "average": 7.583088324,
                "count": 1749901,
                "maximum": 47.72168114,
                "minimum": -16.13831886,
                "name": "Z",
                "position": 2,
                "stddev": 8.394802387,
                "variance": 70.47270712
              },
              {
                "average": 10.30014155,
                "count": 1749901,
                "maximum": 6983,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.70785746,
                "variance": 824.1410802
              },
              {
                "average": 1.750116149,
                "count": 1749901,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.044833263,
                "variance": 1.091676547
              },
              {
                "average": 2.530120847,
                "count": 1749901,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.49033529,
                "variance": 2.221099277
              },
              {
                "average": 1,
                "count": 1749901,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1749901,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.604581059,
                "count": 1749901,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.77987307,
                "variance": 138.7654096
              },
              {
                "average": 20.10355539,
                "count": 1749901,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.504516296,
                "variance": 6.272601879
              },
              {
                "average": 90.75755314,
                "count": 1749901,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.11590899,
                "variance": 4777.008876
              },
              {
                "average": 5.240611897,
                "count": 1749901,
                "maximum": 9,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.536647224,
                "variance": 2.361284692
              },
              {
                "average": 63742631.06,
                "count": 1749901,
                "maximum": 63744808.75,
                "minimum": 63741246.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 908.7115369,
                "variance": 825756.6573
              },
              {
                "average": 0,
                "count": 1749901,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1749901,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1749901,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1749901,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1749901,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              624999.8219,
              2369998.455,
              -16.13831886,
              625999.8219,
              2370998.475,
              47.72168114
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    624999.8219164242,
                    2369998.455004777,
                    -16.13831885885125
                  ],
                  [
                    624999.8219164242,
                    2370998.4750047764,
                    -16.13831885885125
                  ],
                  [
                    625999.8219164242,
                    2370998.4750047764,
                    47.72168114114875
                  ],
                  [
                    625999.8219164242,
                    2369998.455004777,
                    47.72168114114875
                  ],
                  [
                    624999.8219164242,
                    2369998.455004777,
                    -16.13831885885125
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:40:08+00:00",
            "end_time": "2013-09-20T19:40:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2276.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82235679266174,
              21.482414443632535,
              -6.491625523658291
            ],
            [
              -157.82228412699564,
              21.491447830945553,
              -6.491625523658291
            ],
            [
              -157.81263226436582,
              21.491379521034283,
              -1.251625523658291
            ],
            [
              -157.81270552547016,
              21.482346165279843,
              -1.251625523658291
            ],
            [
              -157.82235679266174,
              21.482414443632535,
              -6.491625523658291
            ]
          ]
        ]
      },
      "bbox": [
        -157.8223568,
        21.48234617,
        -6.491625524,
        -157.8126323,
        21.49144783,
        -1.251625524
      ],
      "properties": {
        "datetime": "2013-09-24T20:40:31Z",
        "pc:count": 4783128,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622482.2863,
            "count": 4783128,
            "maximum": 622999.8147,
            "minimum": 621999.8147,
            "name": "X",
            "position": 0,
            "stddev": 284.920867,
            "variance": 81179.90044
          },
          {
            "average": 2376497.064,
            "count": 4783128,
            "maximum": 2376998.493,
            "minimum": 2375998.473,
            "name": "Y",
            "position": 1,
            "stddev": 279.7805515,
            "variance": 78277.15699
          },
          {
            "average": -3.871289102,
            "count": 4783128,
            "maximum": -1.251625524,
            "minimum": -6.491625524,
            "name": "Z",
            "position": 2,
            "stddev": 0.7455647315,
            "variance": 0.5558667688
          },
          {
            "average": 7.961098888,
            "count": 4783128,
            "maximum": 8470,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.88487936,
            "variance": 478.9479445
          },
          {
            "average": 1.012312027,
            "count": 4783128,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1115430373,
            "variance": 0.01244184918
          },
          {
            "average": 1.017437543,
            "count": 4783128,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1324430509,
            "variance": 0.01754116173
          },
          {
            "average": 1,
            "count": 4783128,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4783128,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4783128,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.12514203,
            "count": 4783128,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.704065542,
            "variance": 7.311970455
          },
          {
            "average": 92.15380521,
            "count": 4783128,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 64.99958328,
            "variance": 4224.945827
          },
          {
            "average": 6.077411685,
            "count": 4783128,
            "maximum": 14,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.488418698,
            "variance": 2.21539022
          },
          {
            "average": 63653683.23,
            "count": 4783128,
            "maximum": 64090431.35,
            "minimum": 63594333.43,
            "name": "GpsTime",
            "position": 12,
            "stddev": 34911.72759,
            "variance": 1218828723
          },
          {
            "average": 0,
            "count": 4783128,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4783128,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4783128,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4783128,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4783128,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.8147,
          2375998.473,
          -6.491625524,
          622999.8147,
          2376998.493,
          -1.251625524
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.8147453611,
                2375998.473357816,
                -6.491625523658291
              ],
              [
                621999.8147453611,
                2376998.493357816,
                -6.491625523658291
              ],
              [
                622999.8147453611,
                2376998.493357816,
                -1.251625523658291
              ],
              [
                622999.8147453611,
                2375998.473357816,
                -1.251625523658291
              ],
              [
                621999.8147453611,
                2375998.473357816,
                -6.491625523658291
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:40:31+00:00",
        "end_time": "2013-09-19T02:52:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2276.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2276.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2276.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2276.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8223568,
            21.48234617,
            -6.491625524,
            -157.8126323,
            21.49144783,
            -1.251625524
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82235679266174,
                  21.482414443632535,
                  -6.491625523658291
                ],
                [
                  -157.82228412699564,
                  21.491447830945553,
                  -6.491625523658291
                ],
                [
                  -157.81263226436582,
                  21.491379521034283,
                  -1.251625523658291
                ],
                [
                  -157.81270552547016,
                  21.482346165279843,
                  -1.251625523658291
                ],
                [
                  -157.82235679266174,
                  21.482414443632535,
                  -6.491625523658291
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2276.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2276.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:40:31Z",
            "pc:count": 4783128,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622482.2863,
                "count": 4783128,
                "maximum": 622999.8147,
                "minimum": 621999.8147,
                "name": "X",
                "position": 0,
                "stddev": 284.920867,
                "variance": 81179.90044
              },
              {
                "average": 2376497.064,
                "count": 4783128,
                "maximum": 2376998.493,
                "minimum": 2375998.473,
                "name": "Y",
                "position": 1,
                "stddev": 279.7805515,
                "variance": 78277.15699
              },
              {
                "average": -3.871289102,
                "count": 4783128,
                "maximum": -1.251625524,
                "minimum": -6.491625524,
                "name": "Z",
                "position": 2,
                "stddev": 0.7455647315,
                "variance": 0.5558667688
              },
              {
                "average": 7.961098888,
                "count": 4783128,
                "maximum": 8470,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.88487936,
                "variance": 478.9479445
              },
              {
                "average": 1.012312027,
                "count": 4783128,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1115430373,
                "variance": 0.01244184918
              },
              {
                "average": 1.017437543,
                "count": 4783128,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1324430509,
                "variance": 0.01754116173
              },
              {
                "average": 1,
                "count": 4783128,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4783128,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4783128,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.12514203,
                "count": 4783128,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.704065542,
                "variance": 7.311970455
              },
              {
                "average": 92.15380521,
                "count": 4783128,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 64.99958328,
                "variance": 4224.945827
              },
              {
                "average": 6.077411685,
                "count": 4783128,
                "maximum": 14,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.488418698,
                "variance": 2.21539022
              },
              {
                "average": 63653683.23,
                "count": 4783128,
                "maximum": 64090431.35,
                "minimum": 63594333.43,
                "name": "GpsTime",
                "position": 12,
                "stddev": 34911.72759,
                "variance": 1218828723
              },
              {
                "average": 0,
                "count": 4783128,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4783128,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4783128,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4783128,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4783128,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.8147,
              2375998.473,
              -6.491625524,
              622999.8147,
              2376998.493,
              -1.251625524
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.8147453611,
                    2375998.473357816,
                    -6.491625523658291
                  ],
                  [
                    621999.8147453611,
                    2376998.493357816,
                    -6.491625523658291
                  ],
                  [
                    622999.8147453611,
                    2376998.493357816,
                    -1.251625523658291
                  ],
                  [
                    622999.8147453611,
                    2375998.473357816,
                    -1.251625523658291
                  ],
                  [
                    621999.8147453611,
                    2375998.473357816,
                    -6.491625523658291
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:40:31+00:00",
            "end_time": "2013-09-19T02:52:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2773.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77432755714878,
              21.4549682506458,
              -9.46712962519735
            ],
            [
              -157.7742520118963,
              21.464001328970628,
              -9.46712962519735
            ],
            [
              -157.76460197386146,
              21.463930320679463,
              35.51287037480265
            ],
            [
              -157.76467811816394,
              21.454897274730406,
              35.51287037480265
            ],
            [
              -157.77432755714878,
              21.4549682506458,
              -9.46712962519735
            ]
          ]
        ]
      },
      "bbox": [
        -157.7743276,
        21.45489727,
        -9.467129625,
        -157.764602,
        21.46400133,
        35.51287037
      ],
      "properties": {
        "datetime": "2013-09-19T19:32:27Z",
        "pc:count": 4826025,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627543.42,
            "count": 4826025,
            "maximum": 627999.85,
            "minimum": 626999.83,
            "name": "X",
            "position": 0,
            "stddev": 296.5666884,
            "variance": 87951.80065
          },
          {
            "average": 2373475.182,
            "count": 4826025,
            "maximum": 2373998.474,
            "minimum": 2372998.474,
            "name": "Y",
            "position": 1,
            "stddev": 308.7282833,
            "variance": 95313.15294
          },
          {
            "average": 2.160287085,
            "count": 4826025,
            "maximum": 35.51287037,
            "minimum": -9.467129625,
            "name": "Z",
            "position": 2,
            "stddev": 7.598847625,
            "variance": 57.74248523
          },
          {
            "average": 12.29671562,
            "count": 4826025,
            "maximum": 3309,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.60329646,
            "variance": 818.1485685
          },
          {
            "average": 1.225620878,
            "count": 4826025,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6216902383,
            "variance": 0.3864987524
          },
          {
            "average": 1.451893846,
            "count": 4826025,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9692513919,
            "variance": 0.9394482608
          },
          {
            "average": 1,
            "count": 4826025,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4826025,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.46551334,
            "count": 4826025,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.68452716,
            "variance": 187.2662835
          },
          {
            "average": 19.45197164,
            "count": 4826025,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.566651211,
            "variance": 20.85430328
          },
          {
            "average": 90.4376289,
            "count": 4826025,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.90271922,
            "variance": 4475.973839
          },
          {
            "average": 3.148151947,
            "count": 4826025,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.878049195,
            "variance": 3.52706878
          },
          {
            "average": 63595788.37,
            "count": 4826025,
            "maximum": 63654347.83,
            "minimum": 63591885.48,
            "name": "GpsTime",
            "position": 12,
            "stddev": 13232.94176,
            "variance": 175110747.6
          },
          {
            "average": 0,
            "count": 4826025,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4826025,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4826025,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4826025,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4826025,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.83,
          2372998.474,
          -9.467129625,
          627999.85,
          2373998.474,
          35.51287037
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.830022764,
                2372998.4742299085,
                -9.46712962519735
              ],
              [
                626999.830022764,
                2373998.4742299085,
                -9.46712962519735
              ],
              [
                627999.8500227641,
                2373998.4742299085,
                35.51287037480265
              ],
              [
                627999.8500227641,
                2372998.4742299085,
                35.51287037480265
              ],
              [
                626999.830022764,
                2372998.4742299085,
                -9.46712962519735
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:32:27+00:00",
        "end_time": "2013-09-19T02:11:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2773.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2773.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2773.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2773.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7743276,
            21.45489727,
            -9.467129625,
            -157.764602,
            21.46400133,
            35.51287037
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77432755714878,
                  21.4549682506458,
                  -9.46712962519735
                ],
                [
                  -157.7742520118963,
                  21.464001328970628,
                  -9.46712962519735
                ],
                [
                  -157.76460197386146,
                  21.463930320679463,
                  35.51287037480265
                ],
                [
                  -157.76467811816394,
                  21.454897274730406,
                  35.51287037480265
                ],
                [
                  -157.77432755714878,
                  21.4549682506458,
                  -9.46712962519735
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2773.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2773.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:32:27Z",
            "pc:count": 4826025,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627543.42,
                "count": 4826025,
                "maximum": 627999.85,
                "minimum": 626999.83,
                "name": "X",
                "position": 0,
                "stddev": 296.5666884,
                "variance": 87951.80065
              },
              {
                "average": 2373475.182,
                "count": 4826025,
                "maximum": 2373998.474,
                "minimum": 2372998.474,
                "name": "Y",
                "position": 1,
                "stddev": 308.7282833,
                "variance": 95313.15294
              },
              {
                "average": 2.160287085,
                "count": 4826025,
                "maximum": 35.51287037,
                "minimum": -9.467129625,
                "name": "Z",
                "position": 2,
                "stddev": 7.598847625,
                "variance": 57.74248523
              },
              {
                "average": 12.29671562,
                "count": 4826025,
                "maximum": 3309,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.60329646,
                "variance": 818.1485685
              },
              {
                "average": 1.225620878,
                "count": 4826025,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6216902383,
                "variance": 0.3864987524
              },
              {
                "average": 1.451893846,
                "count": 4826025,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9692513919,
                "variance": 0.9394482608
              },
              {
                "average": 1,
                "count": 4826025,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4826025,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.46551334,
                "count": 4826025,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.68452716,
                "variance": 187.2662835
              },
              {
                "average": 19.45197164,
                "count": 4826025,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.566651211,
                "variance": 20.85430328
              },
              {
                "average": 90.4376289,
                "count": 4826025,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.90271922,
                "variance": 4475.973839
              },
              {
                "average": 3.148151947,
                "count": 4826025,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.878049195,
                "variance": 3.52706878
              },
              {
                "average": 63595788.37,
                "count": 4826025,
                "maximum": 63654347.83,
                "minimum": 63591885.48,
                "name": "GpsTime",
                "position": 12,
                "stddev": 13232.94176,
                "variance": 175110747.6
              },
              {
                "average": 0,
                "count": 4826025,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4826025,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4826025,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4826025,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4826025,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.83,
              2372998.474,
              -9.467129625,
              627999.85,
              2373998.474,
              35.51287037
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.830022764,
                    2372998.4742299085,
                    -9.46712962519735
                  ],
                  [
                    626999.830022764,
                    2373998.4742299085,
                    -9.46712962519735
                  ],
                  [
                    627999.8500227641,
                    2373998.4742299085,
                    35.51287037480265
                  ],
                  [
                    627999.8500227641,
                    2372998.4742299085,
                    35.51287037480265
                  ],
                  [
                    626999.830022764,
                    2372998.4742299085,
                    -9.46712962519735
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:32:27+00:00",
            "end_time": "2013-09-19T02:11:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3063.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7461505279756,
              21.36442318702415,
              1.074117326192109
            ],
            [
              -157.7460736845557,
              21.373456442832698,
              1.074117326192109
            ],
            [
              -157.73642946395776,
              21.373384104636425,
              166.2541173261921
            ],
            [
              -157.73650689882183,
              21.364350882095017,
              166.2541173261921
            ],
            [
              -157.7461505279756,
              21.36442318702415,
              1.074117326192109
            ]
          ]
        ]
      },
      "bbox": [
        -157.7461505,
        21.36435088,
        1.074117326,
        -157.7364295,
        21.37345644,
        166.2541173
      ],
      "properties": {
        "datetime": "2013-09-21T00:53:38Z",
        "pc:count": 7773812,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630476.5034,
            "count": 7773812,
            "maximum": 630999.8802,
            "minimum": 629999.8402,
            "name": "X",
            "position": 0,
            "stddev": 279.0351111,
            "variance": 77860.59323
          },
          {
            "average": 2363528.426,
            "count": 7773812,
            "maximum": 2363998.474,
            "minimum": 2362998.454,
            "name": "Y",
            "position": 1,
            "stddev": 269.9263586,
            "variance": 72860.23909
          },
          {
            "average": 58.80440538,
            "count": 7773812,
            "maximum": 166.2541173,
            "minimum": 1.074117326,
            "name": "Z",
            "position": 2,
            "stddev": 33.57778073,
            "variance": 1127.467359
          },
          {
            "average": 16.25635364,
            "count": 7773812,
            "maximum": 991,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.62052926,
            "variance": 1341.063163
          },
          {
            "average": 1.865519259,
            "count": 7773812,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.118908094,
            "variance": 1.251955324
          },
          {
            "average": 2.731744349,
            "count": 7773812,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.587783932,
            "variance": 2.521057816
          },
          {
            "average": 1,
            "count": 7773812,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7773812,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.132800484,
            "count": 7773812,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3393589996,
            "variance": 0.1151645306
          },
          {
            "average": 20.04564397,
            "count": 7773812,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.03144151,
            "variance": 4.126754607
          },
          {
            "average": 91.49254793,
            "count": 7773812,
            "maximum": 205,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.41389034,
            "variance": 4410.804831
          },
          {
            "average": 3.700519128,
            "count": 7773812,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.338524429,
            "variance": 1.791647647
          },
          {
            "average": 63759016.99,
            "count": 7773812,
            "maximum": 63760018.79,
            "minimum": 63745422.26,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1535.130681,
            "variance": 2356626.208
          },
          {
            "average": 0,
            "count": 7773812,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7773812,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7773812,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7773812,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7773812,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8402,
          2362998.454,
          1.074117326,
          630999.8802,
          2363998.474,
          166.2541173
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8401617892,
                2362998.453553099,
                1.074117326192109
              ],
              [
                629999.8401617892,
                2363998.4735530987,
                1.074117326192109
              ],
              [
                630999.8801617892,
                2363998.4735530987,
                166.2541173261921
              ],
              [
                630999.8801617892,
                2362998.453553099,
                166.2541173261921
              ],
              [
                629999.8401617892,
                2362998.453553099,
                1.074117326192109
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:53:38+00:00",
        "end_time": "2013-09-20T20:50:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3063.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3063.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3063.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3063.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7461505,
            21.36435088,
            1.074117326,
            -157.7364295,
            21.37345644,
            166.2541173
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7461505279756,
                  21.36442318702415,
                  1.074117326192109
                ],
                [
                  -157.7460736845557,
                  21.373456442832698,
                  1.074117326192109
                ],
                [
                  -157.73642946395776,
                  21.373384104636425,
                  166.2541173261921
                ],
                [
                  -157.73650689882183,
                  21.364350882095017,
                  166.2541173261921
                ],
                [
                  -157.7461505279756,
                  21.36442318702415,
                  1.074117326192109
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3063.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3063.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:53:38Z",
            "pc:count": 7773812,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630476.5034,
                "count": 7773812,
                "maximum": 630999.8802,
                "minimum": 629999.8402,
                "name": "X",
                "position": 0,
                "stddev": 279.0351111,
                "variance": 77860.59323
              },
              {
                "average": 2363528.426,
                "count": 7773812,
                "maximum": 2363998.474,
                "minimum": 2362998.454,
                "name": "Y",
                "position": 1,
                "stddev": 269.9263586,
                "variance": 72860.23909
              },
              {
                "average": 58.80440538,
                "count": 7773812,
                "maximum": 166.2541173,
                "minimum": 1.074117326,
                "name": "Z",
                "position": 2,
                "stddev": 33.57778073,
                "variance": 1127.467359
              },
              {
                "average": 16.25635364,
                "count": 7773812,
                "maximum": 991,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.62052926,
                "variance": 1341.063163
              },
              {
                "average": 1.865519259,
                "count": 7773812,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.118908094,
                "variance": 1.251955324
              },
              {
                "average": 2.731744349,
                "count": 7773812,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.587783932,
                "variance": 2.521057816
              },
              {
                "average": 1,
                "count": 7773812,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7773812,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.132800484,
                "count": 7773812,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3393589996,
                "variance": 0.1151645306
              },
              {
                "average": 20.04564397,
                "count": 7773812,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.03144151,
                "variance": 4.126754607
              },
              {
                "average": 91.49254793,
                "count": 7773812,
                "maximum": 205,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.41389034,
                "variance": 4410.804831
              },
              {
                "average": 3.700519128,
                "count": 7773812,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.338524429,
                "variance": 1.791647647
              },
              {
                "average": 63759016.99,
                "count": 7773812,
                "maximum": 63760018.79,
                "minimum": 63745422.26,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1535.130681,
                "variance": 2356626.208
              },
              {
                "average": 0,
                "count": 7773812,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7773812,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7773812,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7773812,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7773812,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8402,
              2362998.454,
              1.074117326,
              630999.8802,
              2363998.474,
              166.2541173
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8401617892,
                    2362998.453553099,
                    1.074117326192109
                  ],
                  [
                    629999.8401617892,
                    2363998.4735530987,
                    1.074117326192109
                  ],
                  [
                    630999.8801617892,
                    2363998.4735530987,
                    166.2541173261921
                  ],
                  [
                    630999.8801617892,
                    2362998.453553099,
                    166.2541173261921
                  ],
                  [
                    629999.8401617892,
                    2362998.453553099,
                    1.074117326192109
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:53:38+00:00",
            "end_time": "2013-09-20T20:50:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2674.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78390182651614,
              21.464071821699125,
              -19.432762672559466
            ],
            [
              -157.7838268518199,
              21.47310492158147,
              -19.432762672559466
            ],
            [
              -157.77417642301035,
              21.47303442537928,
              -2.252762672559466
            ],
            [
              -157.77425200672556,
              21.46400135598121,
              -2.252762672559466
            ],
            [
              -157.78390182651614,
              21.464071821699125,
              -19.432762672559466
            ]
          ]
        ]
      },
      "bbox": [
        -157.7839018,
        21.46400136,
        -19.43276267,
        -157.7741764,
        21.47310492,
        -2.252762673
      ],
      "properties": {
        "datetime": "2013-09-19T19:32:05Z",
        "pc:count": 3716481,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626442.1601,
            "count": 3716481,
            "maximum": 626999.8305,
            "minimum": 625999.8305,
            "name": "X",
            "position": 0,
            "stddev": 278.8865767,
            "variance": 77777.72267
          },
          {
            "average": 2374463.566,
            "count": 3716481,
            "maximum": 2374998.477,
            "minimum": 2373998.477,
            "name": "Y",
            "position": 1,
            "stddev": 288.0880976,
            "variance": 82994.75196
          },
          {
            "average": -7.467113466,
            "count": 3716481,
            "maximum": -2.252762673,
            "minimum": -19.43276267,
            "name": "Z",
            "position": 2,
            "stddev": 2.757788491,
            "variance": 7.605397363
          },
          {
            "average": 19.69778939,
            "count": 3716481,
            "maximum": 768,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 61.25422901,
            "variance": 3752.080571
          },
          {
            "average": 1.027948481,
            "count": 3716481,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1668049948,
            "variance": 0.02782390629
          },
          {
            "average": 1.051924388,
            "count": 3716481,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2256728928,
            "variance": 0.05092825452
          },
          {
            "average": 1,
            "count": 3716481,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3716481,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3716481,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.53353737,
            "count": 3716481,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.128136528,
            "variance": 17.0415112
          },
          {
            "average": 100.5676518,
            "count": 3716481,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 69.60757694,
            "variance": 4845.214767
          },
          {
            "average": 2.859713261,
            "count": 3716481,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.868621065,
            "variance": 3.491744684
          },
          {
            "average": 63594291.61,
            "count": 3716481,
            "maximum": 63654325.71,
            "minimum": 63591906.71,
            "name": "GpsTime",
            "position": 12,
            "stddev": 9851.157224,
            "variance": 97045298.65
          },
          {
            "average": 0,
            "count": 3716481,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3716481,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3716481,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3716481,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3716481,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.8305,
          2373998.477,
          -19.43276267,
          626999.8305,
          2374998.477,
          -2.252762673
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.8305351563,
                2373998.4772241088,
                -19.432762672559466
              ],
              [
                625999.8305351563,
                2374998.4772241088,
                -19.432762672559466
              ],
              [
                626999.8305351563,
                2374998.4772241088,
                -2.252762672559466
              ],
              [
                626999.8305351563,
                2373998.4772241088,
                -2.252762672559466
              ],
              [
                625999.8305351563,
                2373998.4772241088,
                -19.432762672559466
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:32:05+00:00",
        "end_time": "2013-09-19T02:11:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2674.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2674.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2674.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2674.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7839018,
            21.46400136,
            -19.43276267,
            -157.7741764,
            21.47310492,
            -2.252762673
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78390182651614,
                  21.464071821699125,
                  -19.432762672559466
                ],
                [
                  -157.7838268518199,
                  21.47310492158147,
                  -19.432762672559466
                ],
                [
                  -157.77417642301035,
                  21.47303442537928,
                  -2.252762672559466
                ],
                [
                  -157.77425200672556,
                  21.46400135598121,
                  -2.252762672559466
                ],
                [
                  -157.78390182651614,
                  21.464071821699125,
                  -19.432762672559466
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2674.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2674.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:32:05Z",
            "pc:count": 3716481,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626442.1601,
                "count": 3716481,
                "maximum": 626999.8305,
                "minimum": 625999.8305,
                "name": "X",
                "position": 0,
                "stddev": 278.8865767,
                "variance": 77777.72267
              },
              {
                "average": 2374463.566,
                "count": 3716481,
                "maximum": 2374998.477,
                "minimum": 2373998.477,
                "name": "Y",
                "position": 1,
                "stddev": 288.0880976,
                "variance": 82994.75196
              },
              {
                "average": -7.467113466,
                "count": 3716481,
                "maximum": -2.252762673,
                "minimum": -19.43276267,
                "name": "Z",
                "position": 2,
                "stddev": 2.757788491,
                "variance": 7.605397363
              },
              {
                "average": 19.69778939,
                "count": 3716481,
                "maximum": 768,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 61.25422901,
                "variance": 3752.080571
              },
              {
                "average": 1.027948481,
                "count": 3716481,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1668049948,
                "variance": 0.02782390629
              },
              {
                "average": 1.051924388,
                "count": 3716481,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2256728928,
                "variance": 0.05092825452
              },
              {
                "average": 1,
                "count": 3716481,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3716481,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3716481,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.53353737,
                "count": 3716481,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.128136528,
                "variance": 17.0415112
              },
              {
                "average": 100.5676518,
                "count": 3716481,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 69.60757694,
                "variance": 4845.214767
              },
              {
                "average": 2.859713261,
                "count": 3716481,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.868621065,
                "variance": 3.491744684
              },
              {
                "average": 63594291.61,
                "count": 3716481,
                "maximum": 63654325.71,
                "minimum": 63591906.71,
                "name": "GpsTime",
                "position": 12,
                "stddev": 9851.157224,
                "variance": 97045298.65
              },
              {
                "average": 0,
                "count": 3716481,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3716481,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3716481,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3716481,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3716481,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.8305,
              2373998.477,
              -19.43276267,
              626999.8305,
              2374998.477,
              -2.252762673
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.8305351563,
                    2373998.4772241088,
                    -19.432762672559466
                  ],
                  [
                    625999.8305351563,
                    2374998.4772241088,
                    -19.432762672559466
                  ],
                  [
                    626999.8305351563,
                    2374998.4772241088,
                    -2.252762672559466
                  ],
                  [
                    626999.8305351563,
                    2373998.4772241088,
                    -2.252762672559466
                  ],
                  [
                    625999.8305351563,
                    2373998.4772241088,
                    -19.432762672559466
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:32:05+00:00",
            "end_time": "2013-09-19T02:11:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3164.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73642956655067,
              21.373383990348202,
              -2.268772797073005
            ],
            [
              -157.73635222164833,
              21.38241719819992,
              -2.268772797073005
            ],
            [
              -157.7267074307409,
              21.38234427360811,
              56.871227202926995
            ],
            [
              -157.7267853774538,
              21.37331109861405,
              56.871227202926995
            ],
            [
              -157.73642956655067,
              21.373383990348202,
              -2.268772797073005
            ]
          ]
        ]
      },
      "bbox": [
        -157.7364296,
        21.3733111,
        -2.268772797,
        -157.7267074,
        21.3824172,
        56.8712272
      ],
      "properties": {
        "datetime": "2013-09-20T20:50:27Z",
        "pc:count": 5723571,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631535.553,
            "count": 5723571,
            "maximum": 631999.9096,
            "minimum": 630999.8696,
            "name": "X",
            "position": 0,
            "stddev": 294.7634683,
            "variance": 86885.50223
          },
          {
            "average": 2364484.933,
            "count": 5723571,
            "maximum": 2364998.481,
            "minimum": 2363998.461,
            "name": "Y",
            "position": 1,
            "stddev": 296.2672047,
            "variance": 87774.25661
          },
          {
            "average": 8.15674339,
            "count": 5723571,
            "maximum": 56.8712272,
            "minimum": -2.268772797,
            "name": "Z",
            "position": 2,
            "stddev": 6.723683494,
            "variance": 45.20791973
          },
          {
            "average": 31.58296665,
            "count": 5723571,
            "maximum": 862,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 53.4875025,
            "variance": 2860.912924
          },
          {
            "average": 1.390871713,
            "count": 5723571,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7649968696,
            "variance": 0.5852202104
          },
          {
            "average": 1.787039595,
            "count": 5723571,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.14232077,
            "variance": 1.304896741
          },
          {
            "average": 1,
            "count": 5723571,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5723571,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.607799397,
            "count": 5723571,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.388882715,
            "variance": 11.48452605
          },
          {
            "average": 20.21727727,
            "count": 5723571,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.794146349,
            "variance": 7.807253817
          },
          {
            "average": 91.8220043,
            "count": 5723571,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.68595845,
            "variance": 4314.645137
          },
          {
            "average": 6.35552385,
            "count": 5723571,
            "maximum": 10,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.696314804,
            "variance": 2.877483914
          },
          {
            "average": 63743309.95,
            "count": 5723571,
            "maximum": 63745427.8,
            "minimum": 63741379.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1008.386329,
            "variance": 1016842.988
          },
          {
            "average": 0,
            "count": 5723571,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5723571,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5723571,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5723571,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5723571,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8696,
          2363998.461,
          -2.268772797,
          631999.9096,
          2364998.481,
          56.8712272
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8696258714,
                2363998.460816157,
                -2.268772797073005
              ],
              [
                630999.8696258714,
                2364998.4808161566,
                -2.268772797073005
              ],
              [
                631999.9096258715,
                2364998.4808161566,
                56.871227202926995
              ],
              [
                631999.9096258715,
                2363998.460816157,
                56.871227202926995
              ],
              [
                630999.8696258714,
                2363998.460816157,
                -2.268772797073005
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:50:27+00:00",
        "end_time": "2013-09-20T19:42:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3164.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3164.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3164.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3164.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7364296,
            21.3733111,
            -2.268772797,
            -157.7267074,
            21.3824172,
            56.8712272
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73642956655067,
                  21.373383990348202,
                  -2.268772797073005
                ],
                [
                  -157.73635222164833,
                  21.38241719819992,
                  -2.268772797073005
                ],
                [
                  -157.7267074307409,
                  21.38234427360811,
                  56.871227202926995
                ],
                [
                  -157.7267853774538,
                  21.37331109861405,
                  56.871227202926995
                ],
                [
                  -157.73642956655067,
                  21.373383990348202,
                  -2.268772797073005
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3164.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3164.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:50:27Z",
            "pc:count": 5723571,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631535.553,
                "count": 5723571,
                "maximum": 631999.9096,
                "minimum": 630999.8696,
                "name": "X",
                "position": 0,
                "stddev": 294.7634683,
                "variance": 86885.50223
              },
              {
                "average": 2364484.933,
                "count": 5723571,
                "maximum": 2364998.481,
                "minimum": 2363998.461,
                "name": "Y",
                "position": 1,
                "stddev": 296.2672047,
                "variance": 87774.25661
              },
              {
                "average": 8.15674339,
                "count": 5723571,
                "maximum": 56.8712272,
                "minimum": -2.268772797,
                "name": "Z",
                "position": 2,
                "stddev": 6.723683494,
                "variance": 45.20791973
              },
              {
                "average": 31.58296665,
                "count": 5723571,
                "maximum": 862,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 53.4875025,
                "variance": 2860.912924
              },
              {
                "average": 1.390871713,
                "count": 5723571,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7649968696,
                "variance": 0.5852202104
              },
              {
                "average": 1.787039595,
                "count": 5723571,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.14232077,
                "variance": 1.304896741
              },
              {
                "average": 1,
                "count": 5723571,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5723571,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.607799397,
                "count": 5723571,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.388882715,
                "variance": 11.48452605
              },
              {
                "average": 20.21727727,
                "count": 5723571,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.794146349,
                "variance": 7.807253817
              },
              {
                "average": 91.8220043,
                "count": 5723571,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.68595845,
                "variance": 4314.645137
              },
              {
                "average": 6.35552385,
                "count": 5723571,
                "maximum": 10,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.696314804,
                "variance": 2.877483914
              },
              {
                "average": 63743309.95,
                "count": 5723571,
                "maximum": 63745427.8,
                "minimum": 63741379.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1008.386329,
                "variance": 1016842.988
              },
              {
                "average": 0,
                "count": 5723571,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5723571,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5723571,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5723571,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5723571,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8696,
              2363998.461,
              -2.268772797,
              631999.9096,
              2364998.481,
              56.8712272
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8696258714,
                    2363998.460816157,
                    -2.268772797073005
                  ],
                  [
                    630999.8696258714,
                    2364998.4808161566,
                    -2.268772797073005
                  ],
                  [
                    631999.9096258715,
                    2364998.4808161566,
                    56.871227202926995
                  ],
                  [
                    631999.9096258715,
                    2363998.460816157,
                    56.871227202926995
                  ],
                  [
                    630999.8696258714,
                    2363998.460816157,
                    -2.268772797073005
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:50:27+00:00",
            "end_time": "2013-09-20T19:42:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2774.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7742520433488,
              21.464001279541307,
              -34.373145043240285
            ],
            [
              -157.7741764581241,
              21.47303452960086,
              -34.373145043240285
            ],
            [
              -157.7645258206475,
              21.472963489183922,
              -4.633145043240283
            ],
            [
              -157.76460200531713,
              21.463930271252107,
              -4.633145043240283
            ],
            [
              -157.7742520433488,
              21.464001279541307,
              -34.373145043240285
            ]
          ]
        ]
      },
      "bbox": [
        -157.774252,
        21.46393027,
        -34.37314504,
        -157.7645258,
        21.47303453,
        -4.633145043
      ],
      "properties": {
        "datetime": "2013-09-21T01:43:09Z",
        "pc:count": 2415104,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627478.2505,
            "count": 2415104,
            "maximum": 627999.8468,
            "minimum": 626999.8268,
            "name": "X",
            "position": 0,
            "stddev": 286.6955142,
            "variance": 82194.31784
          },
          {
            "average": 2374306.158,
            "count": 2415104,
            "maximum": 2374998.489,
            "minimum": 2373998.469,
            "name": "Y",
            "position": 1,
            "stddev": 244.1977972,
            "variance": 59632.56416
          },
          {
            "average": -12.02148912,
            "count": 2415104,
            "maximum": -4.633145043,
            "minimum": -34.37314504,
            "name": "Z",
            "position": 2,
            "stddev": 5.460518403,
            "variance": 29.81726123
          },
          {
            "average": 83.3236225,
            "count": 2415104,
            "maximum": 1140,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 170.9042275,
            "variance": 29208.25499
          },
          {
            "average": 1.014839113,
            "count": 2415104,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1215951144,
            "variance": 0.01478537184
          },
          {
            "average": 1.030206981,
            "count": 2415104,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1727217719,
            "variance": 0.0298328105
          },
          {
            "average": 1,
            "count": 2415104,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2415104,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2415104,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.14906354,
            "count": 2415104,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.076947133,
            "variance": 65.23707499
          },
          {
            "average": 121.4224572,
            "count": 2415104,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 84.32816186,
            "variance": 7111.238882
          },
          {
            "average": 3.118368402,
            "count": 2415104,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.572637806,
            "variance": 2.473189669
          },
          {
            "average": 63630293.34,
            "count": 2415104,
            "maximum": 63762989.57,
            "minimum": 63592324.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 39490.32617,
            "variance": 1559485861
          },
          {
            "average": 0,
            "count": 2415104,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2415104,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2415104,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2415104,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2415104,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.8268,
          2373998.469,
          -34.37314504,
          627999.8468,
          2374998.489,
          -4.633145043
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.8268064378,
                2373998.468732687,
                -34.373145043240285
              ],
              [
                626999.8268064378,
                2374998.4887326867,
                -34.373145043240285
              ],
              [
                627999.8468064378,
                2374998.4887326867,
                -4.633145043240283
              ],
              [
                627999.8468064378,
                2373998.468732687,
                -4.633145043240283
              ],
              [
                626999.8268064378,
                2373998.468732687,
                -34.373145043240285
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:43:09+00:00",
        "end_time": "2013-09-19T02:18:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2774.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2774.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2774.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2774.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.774252,
            21.46393027,
            -34.37314504,
            -157.7645258,
            21.47303453,
            -4.633145043
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7742520433488,
                  21.464001279541307,
                  -34.373145043240285
                ],
                [
                  -157.7741764581241,
                  21.47303452960086,
                  -34.373145043240285
                ],
                [
                  -157.7645258206475,
                  21.472963489183922,
                  -4.633145043240283
                ],
                [
                  -157.76460200531713,
                  21.463930271252107,
                  -4.633145043240283
                ],
                [
                  -157.7742520433488,
                  21.464001279541307,
                  -34.373145043240285
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2774.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2774.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:43:09Z",
            "pc:count": 2415104,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627478.2505,
                "count": 2415104,
                "maximum": 627999.8468,
                "minimum": 626999.8268,
                "name": "X",
                "position": 0,
                "stddev": 286.6955142,
                "variance": 82194.31784
              },
              {
                "average": 2374306.158,
                "count": 2415104,
                "maximum": 2374998.489,
                "minimum": 2373998.469,
                "name": "Y",
                "position": 1,
                "stddev": 244.1977972,
                "variance": 59632.56416
              },
              {
                "average": -12.02148912,
                "count": 2415104,
                "maximum": -4.633145043,
                "minimum": -34.37314504,
                "name": "Z",
                "position": 2,
                "stddev": 5.460518403,
                "variance": 29.81726123
              },
              {
                "average": 83.3236225,
                "count": 2415104,
                "maximum": 1140,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 170.9042275,
                "variance": 29208.25499
              },
              {
                "average": 1.014839113,
                "count": 2415104,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1215951144,
                "variance": 0.01478537184
              },
              {
                "average": 1.030206981,
                "count": 2415104,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1727217719,
                "variance": 0.0298328105
              },
              {
                "average": 1,
                "count": 2415104,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2415104,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2415104,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.14906354,
                "count": 2415104,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.076947133,
                "variance": 65.23707499
              },
              {
                "average": 121.4224572,
                "count": 2415104,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 84.32816186,
                "variance": 7111.238882
              },
              {
                "average": 3.118368402,
                "count": 2415104,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.572637806,
                "variance": 2.473189669
              },
              {
                "average": 63630293.34,
                "count": 2415104,
                "maximum": 63762989.57,
                "minimum": 63592324.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 39490.32617,
                "variance": 1559485861
              },
              {
                "average": 0,
                "count": 2415104,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2415104,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2415104,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2415104,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2415104,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.8268,
              2373998.469,
              -34.37314504,
              627999.8468,
              2374998.489,
              -4.633145043
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.8268064378,
                    2373998.468732687,
                    -34.373145043240285
                  ],
                  [
                    626999.8268064378,
                    2374998.4887326867,
                    -34.373145043240285
                  ],
                  [
                    627999.8468064378,
                    2374998.4887326867,
                    -4.633145043240283
                  ],
                  [
                    627999.8468064378,
                    2373998.468732687,
                    -4.633145043240283
                  ],
                  [
                    626999.8268064378,
                    2373998.468732687,
                    -34.373145043240285
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:43:09+00:00",
            "end_time": "2013-09-19T02:18:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3365.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7170628820937,
              21.382270687871703,
              -3.166350261530511
            ],
            [
              -157.71698415381834,
              21.391303823595994,
              -3.166350261530511
            ],
            [
              -157.7073388416239,
              21.391229756997138,
              173.2936497384695
            ],
            [
              -157.7074181653588,
              21.382196655027673,
              173.2936497384695
            ],
            [
              -157.7170628820937,
              21.382270687871703,
              -3.166350261530511
            ]
          ]
        ]
      },
      "bbox": [
        -157.7170629,
        21.38219666,
        -3.166350262,
        -157.7073388,
        21.39130382,
        173.2936497
      ],
      "properties": {
        "datetime": "2013-09-20T02:20:46Z",
        "pc:count": 6205783,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633422.0504,
            "count": 6205783,
            "maximum": 633999.9597,
            "minimum": 632999.9197,
            "name": "X",
            "position": 0,
            "stddev": 270.8381012,
            "variance": 73353.27709
          },
          {
            "average": 2365451.331,
            "count": 6205783,
            "maximum": 2365998.488,
            "minimum": 2364998.468,
            "name": "Y",
            "position": 1,
            "stddev": 285.4785134,
            "variance": 81497.98158
          },
          {
            "average": 28.69420498,
            "count": 6205783,
            "maximum": 173.2936497,
            "minimum": -3.166350262,
            "name": "Z",
            "position": 2,
            "stddev": 40.59559222,
            "variance": 1648.002107
          },
          {
            "average": 18.16982579,
            "count": 6205783,
            "maximum": 8120,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.42899338,
            "variance": 1554.645519
          },
          {
            "average": 1.488754602,
            "count": 6205783,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8508355723,
            "variance": 0.7239211711
          },
          {
            "average": 1.978887918,
            "count": 6205783,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.25131837,
            "variance": 1.565797664
          },
          {
            "average": 1,
            "count": 6205783,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6205783,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.423490799,
            "count": 6205783,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.64493781,
            "variance": 135.6045767
          },
          {
            "average": 20.06371199,
            "count": 6205783,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.728039516,
            "variance": 2.986120568
          },
          {
            "average": 90.12383627,
            "count": 6205783,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.90692883,
            "variance": 4611.350983
          },
          {
            "average": 7.572206763,
            "count": 6205783,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.948314568,
            "variance": 3.795929657
          },
          {
            "average": 63658670.17,
            "count": 6205783,
            "maximum": 63678846.89,
            "minimum": 63655063.18,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4319.047258,
            "variance": 18654169.21
          },
          {
            "average": 0,
            "count": 6205783,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6205783,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6205783,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6205783,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6205783,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9197,
          2364998.468,
          -3.166350262,
          633999.9597,
          2365998.488,
          173.2936497
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9196795714,
                2364998.468245581,
                -3.166350261530511
              ],
              [
                632999.9196795714,
                2365998.4882455803,
                -3.166350261530511
              ],
              [
                633999.9596795714,
                2365998.4882455803,
                173.2936497384695
              ],
              [
                633999.9596795714,
                2364998.468245581,
                173.2936497384695
              ],
              [
                632999.9196795714,
                2364998.468245581,
                -3.166350261530511
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:20:46+00:00",
        "end_time": "2013-09-19T19:44:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3365.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3365.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3365.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3365.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7170629,
            21.38219666,
            -3.166350262,
            -157.7073388,
            21.39130382,
            173.2936497
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7170628820937,
                  21.382270687871703,
                  -3.166350261530511
                ],
                [
                  -157.71698415381834,
                  21.391303823595994,
                  -3.166350261530511
                ],
                [
                  -157.7073388416239,
                  21.391229756997138,
                  173.2936497384695
                ],
                [
                  -157.7074181653588,
                  21.382196655027673,
                  173.2936497384695
                ],
                [
                  -157.7170628820937,
                  21.382270687871703,
                  -3.166350261530511
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3365.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3365.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:20:46Z",
            "pc:count": 6205783,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633422.0504,
                "count": 6205783,
                "maximum": 633999.9597,
                "minimum": 632999.9197,
                "name": "X",
                "position": 0,
                "stddev": 270.8381012,
                "variance": 73353.27709
              },
              {
                "average": 2365451.331,
                "count": 6205783,
                "maximum": 2365998.488,
                "minimum": 2364998.468,
                "name": "Y",
                "position": 1,
                "stddev": 285.4785134,
                "variance": 81497.98158
              },
              {
                "average": 28.69420498,
                "count": 6205783,
                "maximum": 173.2936497,
                "minimum": -3.166350262,
                "name": "Z",
                "position": 2,
                "stddev": 40.59559222,
                "variance": 1648.002107
              },
              {
                "average": 18.16982579,
                "count": 6205783,
                "maximum": 8120,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.42899338,
                "variance": 1554.645519
              },
              {
                "average": 1.488754602,
                "count": 6205783,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8508355723,
                "variance": 0.7239211711
              },
              {
                "average": 1.978887918,
                "count": 6205783,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.25131837,
                "variance": 1.565797664
              },
              {
                "average": 1,
                "count": 6205783,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6205783,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.423490799,
                "count": 6205783,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.64493781,
                "variance": 135.6045767
              },
              {
                "average": 20.06371199,
                "count": 6205783,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.728039516,
                "variance": 2.986120568
              },
              {
                "average": 90.12383627,
                "count": 6205783,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.90692883,
                "variance": 4611.350983
              },
              {
                "average": 7.572206763,
                "count": 6205783,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.948314568,
                "variance": 3.795929657
              },
              {
                "average": 63658670.17,
                "count": 6205783,
                "maximum": 63678846.89,
                "minimum": 63655063.18,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4319.047258,
                "variance": 18654169.21
              },
              {
                "average": 0,
                "count": 6205783,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6205783,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6205783,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6205783,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6205783,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9197,
              2364998.468,
              -3.166350262,
              633999.9597,
              2365998.488,
              173.2936497
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9196795714,
                    2364998.468245581,
                    -3.166350261530511
                  ],
                  [
                    632999.9196795714,
                    2365998.4882455803,
                    -3.166350261530511
                  ],
                  [
                    633999.9596795714,
                    2365998.4882455803,
                    173.2936497384695
                  ],
                  [
                    633999.9596795714,
                    2364998.468245581,
                    173.2936497384695
                  ],
                  [
                    632999.9196795714,
                    2364998.468245581,
                    -3.166350261530511
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:20:46+00:00",
            "end_time": "2013-09-19T19:44:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2675.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7838268984003,
              21.473104840458387,
              -40.795162143707515
            ],
            [
              -157.78375188736072,
              21.482138111977868,
              -40.795162143707515
            ],
            [
              -157.77410065071848,
              21.482067588521254,
              -5.955162143707515
            ],
            [
              -157.7741762765868,
              21.47303434284389,
              -5.955162143707515
            ],
            [
              -157.7838268984003,
              21.473104840458387,
              -40.795162143707515
            ]
          ]
        ]
      },
      "bbox": [
        -157.7838269,
        21.47303434,
        -40.79516214,
        -157.7741007,
        21.48213811,
        -5.955162144
      ],
      "properties": {
        "datetime": "2013-09-21T01:42:49Z",
        "pc:count": 2296337,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626383.8858,
            "count": 2296337,
            "maximum": 626999.8458,
            "minimum": 625999.8258,
            "name": "X",
            "position": 0,
            "stddev": 264.6563336,
            "variance": 70042.97489
          },
          {
            "average": 2375392.687,
            "count": 2296337,
            "maximum": 2375998.488,
            "minimum": 2374998.468,
            "name": "Y",
            "position": 1,
            "stddev": 254.2499349,
            "variance": 64643.02937
          },
          {
            "average": -13.11937801,
            "count": 2296337,
            "maximum": -5.955162144,
            "minimum": -40.79516214,
            "name": "Z",
            "position": 2,
            "stddev": 4.694938269,
            "variance": 22.04244535
          },
          {
            "average": 55.11305788,
            "count": 2296337,
            "maximum": 2993,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 122.929418,
            "variance": 15111.64181
          },
          {
            "average": 1.008081566,
            "count": 2296337,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0900959972,
            "variance": 0.008117288711
          },
          {
            "average": 1.015576111,
            "count": 2296337,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1248197983,
            "variance": 0.01557998205
          },
          {
            "average": 1,
            "count": 2296337,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2296337,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2296337,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.16555043,
            "count": 2296337,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.958840119,
            "variance": 80.26081627
          },
          {
            "average": 121.9049112,
            "count": 2296337,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 84.14510682,
            "variance": 7080.399001
          },
          {
            "average": 3.097220051,
            "count": 2296337,
            "maximum": 13,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.61961198,
            "variance": 2.623142965
          },
          {
            "average": 63634218.07,
            "count": 2296337,
            "maximum": 63762969.19,
            "minimum": 63592303.17,
            "name": "GpsTime",
            "position": 12,
            "stddev": 39162.8556,
            "variance": 1533729259
          },
          {
            "average": 0,
            "count": 2296337,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2296337,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2296337,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2296337,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2296337,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.8258,
          2374998.468,
          -40.79516214,
          626999.8458,
          2375998.488,
          -5.955162144
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.8257785006,
                2374998.4682064895,
                -40.795162143707515
              ],
              [
                625999.8257785006,
                2375998.488206489,
                -40.795162143707515
              ],
              [
                626999.8457785007,
                2375998.488206489,
                -5.955162143707515
              ],
              [
                626999.8457785007,
                2374998.4682064895,
                -5.955162143707515
              ],
              [
                625999.8257785006,
                2374998.4682064895,
                -40.795162143707515
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:42:49+00:00",
        "end_time": "2013-09-19T02:18:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2675.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2675.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2675.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2675.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7838269,
            21.47303434,
            -40.79516214,
            -157.7741007,
            21.48213811,
            -5.955162144
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7838268984003,
                  21.473104840458387,
                  -40.795162143707515
                ],
                [
                  -157.78375188736072,
                  21.482138111977868,
                  -40.795162143707515
                ],
                [
                  -157.77410065071848,
                  21.482067588521254,
                  -5.955162143707515
                ],
                [
                  -157.7741762765868,
                  21.47303434284389,
                  -5.955162143707515
                ],
                [
                  -157.7838268984003,
                  21.473104840458387,
                  -40.795162143707515
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2675.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2675.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:42:49Z",
            "pc:count": 2296337,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626383.8858,
                "count": 2296337,
                "maximum": 626999.8458,
                "minimum": 625999.8258,
                "name": "X",
                "position": 0,
                "stddev": 264.6563336,
                "variance": 70042.97489
              },
              {
                "average": 2375392.687,
                "count": 2296337,
                "maximum": 2375998.488,
                "minimum": 2374998.468,
                "name": "Y",
                "position": 1,
                "stddev": 254.2499349,
                "variance": 64643.02937
              },
              {
                "average": -13.11937801,
                "count": 2296337,
                "maximum": -5.955162144,
                "minimum": -40.79516214,
                "name": "Z",
                "position": 2,
                "stddev": 4.694938269,
                "variance": 22.04244535
              },
              {
                "average": 55.11305788,
                "count": 2296337,
                "maximum": 2993,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 122.929418,
                "variance": 15111.64181
              },
              {
                "average": 1.008081566,
                "count": 2296337,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0900959972,
                "variance": 0.008117288711
              },
              {
                "average": 1.015576111,
                "count": 2296337,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1248197983,
                "variance": 0.01557998205
              },
              {
                "average": 1,
                "count": 2296337,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2296337,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2296337,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.16555043,
                "count": 2296337,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.958840119,
                "variance": 80.26081627
              },
              {
                "average": 121.9049112,
                "count": 2296337,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 84.14510682,
                "variance": 7080.399001
              },
              {
                "average": 3.097220051,
                "count": 2296337,
                "maximum": 13,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.61961198,
                "variance": 2.623142965
              },
              {
                "average": 63634218.07,
                "count": 2296337,
                "maximum": 63762969.19,
                "minimum": 63592303.17,
                "name": "GpsTime",
                "position": 12,
                "stddev": 39162.8556,
                "variance": 1533729259
              },
              {
                "average": 0,
                "count": 2296337,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2296337,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2296337,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2296337,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2296337,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.8258,
              2374998.468,
              -40.79516214,
              626999.8458,
              2375998.488,
              -5.955162144
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.8257785006,
                    2374998.4682064895,
                    -40.795162143707515
                  ],
                  [
                    625999.8257785006,
                    2375998.488206489,
                    -40.795162143707515
                  ],
                  [
                    626999.8457785007,
                    2375998.488206489,
                    -5.955162143707515
                  ],
                  [
                    626999.8457785007,
                    2374998.4682064895,
                    -5.955162143707515
                  ],
                  [
                    625999.8257785006,
                    2374998.4682064895,
                    -40.795162143707515
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:42:49+00:00",
            "end_time": "2013-09-19T02:18:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2775.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77417634785112,
              21.4730344781111,
              -46.32915577803563
            ],
            [
              -157.7741008611661,
              21.482051102967297,
              -46.32915577803563
            ],
            [
              -157.76444981586545,
              21.481980033324565,
              -15.709155778035624
            ],
            [
              -157.7645259033868,
              21.472963439114313,
              -15.709155778035624
            ],
            [
              -157.77417634785112,
              21.4730344781111,
              -46.32915577803563
            ]
          ]
        ]
      },
      "bbox": [
        -157.7741763,
        21.47296344,
        -46.32915578,
        -157.7644498,
        21.4820511,
        -15.70915578
      ],
      "properties": {
        "datetime": "2013-09-21T02:23:06Z",
        "pc:count": 491438,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627432.392,
            "count": 491438,
            "maximum": 627999.8383,
            "minimum": 626999.8383,
            "name": "X",
            "position": 0,
            "stddev": 274.2440414,
            "variance": 75209.79424
          },
          {
            "average": 2375332.612,
            "count": 491438,
            "maximum": 2375996.663,
            "minimum": 2374998.483,
            "name": "Y",
            "position": 1,
            "stddev": 212.3031515,
            "variance": 45072.62815
          },
          {
            "average": -30.396279,
            "count": 491438,
            "maximum": -15.70915578,
            "minimum": -46.32915578,
            "name": "Z",
            "position": 2,
            "stddev": 5.411311009,
            "variance": 29.28228683
          },
          {
            "average": 399.2520745,
            "count": 491438,
            "maximum": 1455,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 191.7108179,
            "variance": 36753.03769
          },
          {
            "average": 1.002012461,
            "count": 491438,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04526712329,
            "variance": 0.002049112451
          },
          {
            "average": 1.002930176,
            "count": 491438,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05487376148,
            "variance": 0.003011129699
          },
          {
            "average": 1,
            "count": 491438,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 491438,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 491438,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.967042305,
            "count": 491438,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.787762788,
            "variance": 95.80030039
          },
          {
            "average": 246.2929729,
            "count": 491438,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 20.70143291,
            "variance": 428.5493244
          },
          {
            "average": 9.168983676,
            "count": 491438,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.234309659,
            "variance": 27.39799761
          },
          {
            "average": 63735356.64,
            "count": 491438,
            "maximum": 63765386.8,
            "minimum": 63653367.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 47139.2603,
            "variance": 2222109862
          },
          {
            "average": 0,
            "count": 491438,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 491438,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 491438,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 491438,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 491438,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          626999.8383,
          2374998.483,
          -46.32915578,
          627999.8383,
          2375996.663,
          -15.70915578
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                626999.8382770964,
                2374998.483122401,
                -46.32915577803563
              ],
              [
                626999.8382770964,
                2375996.6631224006,
                -46.32915577803563
              ],
              [
                627999.8382770964,
                2375996.6631224006,
                -15.709155778035624
              ],
              [
                627999.8382770964,
                2374998.483122401,
                -15.709155778035624
              ],
              [
                626999.8382770964,
                2374998.483122401,
                -46.32915577803563
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:23:06+00:00",
        "end_time": "2013-09-19T19:16:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2775.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2775.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2775.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2775.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7741763,
            21.47296344,
            -46.32915578,
            -157.7644498,
            21.4820511,
            -15.70915578
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77417634785112,
                  21.4730344781111,
                  -46.32915577803563
                ],
                [
                  -157.7741008611661,
                  21.482051102967297,
                  -46.32915577803563
                ],
                [
                  -157.76444981586545,
                  21.481980033324565,
                  -15.709155778035624
                ],
                [
                  -157.7645259033868,
                  21.472963439114313,
                  -15.709155778035624
                ],
                [
                  -157.77417634785112,
                  21.4730344781111,
                  -46.32915577803563
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2775.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2775.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:23:06Z",
            "pc:count": 491438,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627432.392,
                "count": 491438,
                "maximum": 627999.8383,
                "minimum": 626999.8383,
                "name": "X",
                "position": 0,
                "stddev": 274.2440414,
                "variance": 75209.79424
              },
              {
                "average": 2375332.612,
                "count": 491438,
                "maximum": 2375996.663,
                "minimum": 2374998.483,
                "name": "Y",
                "position": 1,
                "stddev": 212.3031515,
                "variance": 45072.62815
              },
              {
                "average": -30.396279,
                "count": 491438,
                "maximum": -15.70915578,
                "minimum": -46.32915578,
                "name": "Z",
                "position": 2,
                "stddev": 5.411311009,
                "variance": 29.28228683
              },
              {
                "average": 399.2520745,
                "count": 491438,
                "maximum": 1455,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 191.7108179,
                "variance": 36753.03769
              },
              {
                "average": 1.002012461,
                "count": 491438,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04526712329,
                "variance": 0.002049112451
              },
              {
                "average": 1.002930176,
                "count": 491438,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05487376148,
                "variance": 0.003011129699
              },
              {
                "average": 1,
                "count": 491438,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 491438,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 491438,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.967042305,
                "count": 491438,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.787762788,
                "variance": 95.80030039
              },
              {
                "average": 246.2929729,
                "count": 491438,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 20.70143291,
                "variance": 428.5493244
              },
              {
                "average": 9.168983676,
                "count": 491438,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.234309659,
                "variance": 27.39799761
              },
              {
                "average": 63735356.64,
                "count": 491438,
                "maximum": 63765386.8,
                "minimum": 63653367.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 47139.2603,
                "variance": 2222109862
              },
              {
                "average": 0,
                "count": 491438,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 491438,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 491438,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 491438,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 491438,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              626999.8383,
              2374998.483,
              -46.32915578,
              627999.8383,
              2375996.663,
              -15.70915578
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    626999.8382770964,
                    2374998.483122401,
                    -46.32915577803563
                  ],
                  [
                    626999.8382770964,
                    2375996.6631224006,
                    -46.32915577803563
                  ],
                  [
                    627999.8382770964,
                    2375996.6631224006,
                    -15.709155778035624
                  ],
                  [
                    627999.8382770964,
                    2374998.483122401,
                    -15.709155778035624
                  ],
                  [
                    626999.8382770964,
                    2374998.483122401,
                    -46.32915577803563
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:23:06+00:00",
            "end_time": "2013-09-19T19:16:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2277.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.82228413084903,
              21.49144774655546,
              -8.026460499257219
            ],
            [
              -157.82221142768674,
              21.500480943436628,
              -8.026460499257219
            ],
            [
              -157.81255896941988,
              21.50041260194441,
              -0.366460499257219
            ],
            [
              -157.81263226822475,
              21.491379436644664,
              -0.366460499257219
            ],
            [
              -157.82228413084903,
              21.49144774655546,
              -8.026460499257219
            ]
          ]
        ]
      },
      "bbox": [
        -157.8222841,
        21.49137944,
        -8.026460499,
        -157.812559,
        21.50048094,
        -0.3664604993
      ],
      "properties": {
        "datetime": "2013-09-24T20:40:51Z",
        "pc:count": 5518256,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 622390.4208,
            "count": 5518256,
            "maximum": 622999.8144,
            "minimum": 621999.8144,
            "name": "X",
            "position": 0,
            "stddev": 263.7360253,
            "variance": 69556.69103
          },
          {
            "average": 2377557.507,
            "count": 5518256,
            "maximum": 2377998.484,
            "minimum": 2376998.484,
            "name": "Y",
            "position": 1,
            "stddev": 289.6485824,
            "variance": 83896.30126
          },
          {
            "average": -4.274594497,
            "count": 5518256,
            "maximum": -0.3664604993,
            "minimum": -8.026460499,
            "name": "Z",
            "position": 2,
            "stddev": 1.1388928,
            "variance": 1.29707681
          },
          {
            "average": 7.557383891,
            "count": 5518256,
            "maximum": 8567,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.32506791,
            "variance": 413.1083857
          },
          {
            "average": 1.031246829,
            "count": 5518256,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1775023738,
            "variance": 0.0315070927
          },
          {
            "average": 1.035093334,
            "count": 5518256,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1878769786,
            "variance": 0.03529775908
          },
          {
            "average": 1,
            "count": 5518256,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5518256,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5518256,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.1304079,
            "count": 5518256,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.917222135,
            "variance": 15.34462925
          },
          {
            "average": 97.28339878,
            "count": 5518256,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 68.37972738,
            "variance": 4675.787117
          },
          {
            "average": 8.493765059,
            "count": 5518256,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.568269833,
            "variance": 12.7325496
          },
          {
            "average": 63795976.84,
            "count": 5518256,
            "maximum": 64090451.58,
            "minimum": 63591980.11,
            "name": "GpsTime",
            "position": 12,
            "stddev": 236388.6989,
            "variance": 55879616970.0
          },
          {
            "average": 0,
            "count": 5518256,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5518256,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5518256,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5518256,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5518256,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          621999.8144,
          2376998.484,
          -8.026460499,
          622999.8144,
          2377998.484,
          -0.3664604993
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                621999.8144164959,
                2376998.4840131258,
                -8.026460499257219
              ],
              [
                621999.8144164959,
                2377998.4840131258,
                -8.026460499257219
              ],
              [
                622999.8144164959,
                2377998.4840131258,
                -0.366460499257219
              ],
              [
                622999.8144164959,
                2376998.4840131258,
                -0.366460499257219
              ],
              [
                621999.8144164959,
                2376998.4840131258,
                -8.026460499257219
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-24T20:40:51+00:00",
        "end_time": "2013-09-19T02:13:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2277.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2277.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2277.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2277.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.8222841,
            21.49137944,
            -8.026460499,
            -157.812559,
            21.50048094,
            -0.3664604993
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.82228413084903,
                  21.49144774655546,
                  -8.026460499257219
                ],
                [
                  -157.82221142768674,
                  21.500480943436628,
                  -8.026460499257219
                ],
                [
                  -157.81255896941988,
                  21.50041260194441,
                  -0.366460499257219
                ],
                [
                  -157.81263226822475,
                  21.491379436644664,
                  -0.366460499257219
                ],
                [
                  -157.82228413084903,
                  21.49144774655546,
                  -8.026460499257219
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2277.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2277.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-24T20:40:51Z",
            "pc:count": 5518256,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 622390.4208,
                "count": 5518256,
                "maximum": 622999.8144,
                "minimum": 621999.8144,
                "name": "X",
                "position": 0,
                "stddev": 263.7360253,
                "variance": 69556.69103
              },
              {
                "average": 2377557.507,
                "count": 5518256,
                "maximum": 2377998.484,
                "minimum": 2376998.484,
                "name": "Y",
                "position": 1,
                "stddev": 289.6485824,
                "variance": 83896.30126
              },
              {
                "average": -4.274594497,
                "count": 5518256,
                "maximum": -0.3664604993,
                "minimum": -8.026460499,
                "name": "Z",
                "position": 2,
                "stddev": 1.1388928,
                "variance": 1.29707681
              },
              {
                "average": 7.557383891,
                "count": 5518256,
                "maximum": 8567,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.32506791,
                "variance": 413.1083857
              },
              {
                "average": 1.031246829,
                "count": 5518256,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1775023738,
                "variance": 0.0315070927
              },
              {
                "average": 1.035093334,
                "count": 5518256,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1878769786,
                "variance": 0.03529775908
              },
              {
                "average": 1,
                "count": 5518256,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5518256,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5518256,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.1304079,
                "count": 5518256,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.917222135,
                "variance": 15.34462925
              },
              {
                "average": 97.28339878,
                "count": 5518256,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 68.37972738,
                "variance": 4675.787117
              },
              {
                "average": 8.493765059,
                "count": 5518256,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.568269833,
                "variance": 12.7325496
              },
              {
                "average": 63795976.84,
                "count": 5518256,
                "maximum": 64090451.58,
                "minimum": 63591980.11,
                "name": "GpsTime",
                "position": 12,
                "stddev": 236388.6989,
                "variance": 55879616970.0
              },
              {
                "average": 0,
                "count": 5518256,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5518256,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5518256,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5518256,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5518256,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              621999.8144,
              2376998.484,
              -8.026460499,
              622999.8144,
              2377998.484,
              -0.3664604993
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    621999.8144164959,
                    2376998.4840131258,
                    -8.026460499257219
                  ],
                  [
                    621999.8144164959,
                    2377998.4840131258,
                    -8.026460499257219
                  ],
                  [
                    622999.8144164959,
                    2377998.4840131258,
                    -0.366460499257219
                  ],
                  [
                    622999.8144164959,
                    2376998.4840131258,
                    -0.366460499257219
                  ],
                  [
                    621999.8144164959,
                    2376998.4840131258,
                    -8.026460499257219
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-24T20:40:51+00:00",
            "end_time": "2013-09-19T02:13:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2952.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75663091624975,
              21.265129761703697,
              -15.750134971447888
            ],
            [
              -157.7565550323151,
              21.27416316732323,
              -15.750134971447888
            ],
            [
              -157.7469174577916,
              21.274091748897717,
              25.229865028552116
            ],
            [
              -157.74699392943282,
              21.265058376570593,
              25.229865028552116
            ],
            [
              -157.75663091624975,
              21.265129761703697,
              -15.750134971447888
            ]
          ]
        ]
      },
      "bbox": [
        -157.7566309,
        21.26505838,
        -15.75013497,
        -157.7469175,
        21.27416317,
        25.22986503
      ],
      "properties": {
        "datetime": "2013-09-22T20:16:50Z",
        "pc:count": 14650317,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629456.1384,
            "count": 14650317,
            "maximum": 629999.8296,
            "minimum": 628999.8096,
            "name": "X",
            "position": 0,
            "stddev": 280.3947037,
            "variance": 78621.18984
          },
          {
            "average": 2352475.942,
            "count": 14650317,
            "maximum": 2352998.444,
            "minimum": 2351998.424,
            "name": "Y",
            "position": 1,
            "stddev": 262.0517846,
            "variance": 68671.1378
          },
          {
            "average": -7.357253871,
            "count": 14650317,
            "maximum": 25.22986503,
            "minimum": -15.75013497,
            "name": "Z",
            "position": 2,
            "stddev": 4.206063898,
            "variance": 17.69097351
          },
          {
            "average": 18.66719034,
            "count": 14650317,
            "maximum": 7737,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 59.05181886,
            "variance": 3487.117311
          },
          {
            "average": 1.013056509,
            "count": 14650317,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1228861547,
            "variance": 0.01510100702
          },
          {
            "average": 1.022181977,
            "count": 14650317,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1692132786,
            "variance": 0.02863313367
          },
          {
            "average": 1,
            "count": 14650317,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14650317,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.8377732,
            "count": 14650317,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.121988167,
            "variance": 4.502833781
          },
          {
            "average": 20.06950479,
            "count": 14650317,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.661044784,
            "variance": 13.40324891
          },
          {
            "average": 93.03788328,
            "count": 14650317,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.99108046,
            "variance": 4354.822701
          },
          {
            "average": 8.965699377,
            "count": 14650317,
            "maximum": 15,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.561140391,
            "variance": 12.68172089
          },
          {
            "average": 63718284.96,
            "count": 14650317,
            "maximum": 63916210.14,
            "minimum": 63379349.76,
            "name": "GpsTime",
            "position": 12,
            "stddev": 256435.3689,
            "variance": 65759098450.0
          },
          {
            "average": 0,
            "count": 14650317,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14650317,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14650317,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14650317,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14650317,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8096,
          2351998.424,
          -15.75013497,
          629999.8296,
          2352998.444,
          25.22986503
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8096479333,
                2351998.423859112,
                -15.750134971447888
              ],
              [
                628999.8096479333,
                2352998.4438591115,
                -15.750134971447888
              ],
              [
                629999.8296479334,
                2352998.4438591115,
                25.229865028552116
              ],
              [
                629999.8296479334,
                2351998.423859112,
                25.229865028552116
              ],
              [
                628999.8096479333,
                2351998.423859112,
                -15.750134971447888
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:16:50+00:00",
        "end_time": "2013-09-16T15:09:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2952.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2952.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2952.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2952.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7566309,
            21.26505838,
            -15.75013497,
            -157.7469175,
            21.27416317,
            25.22986503
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75663091624975,
                  21.265129761703697,
                  -15.750134971447888
                ],
                [
                  -157.7565550323151,
                  21.27416316732323,
                  -15.750134971447888
                ],
                [
                  -157.7469174577916,
                  21.274091748897717,
                  25.229865028552116
                ],
                [
                  -157.74699392943282,
                  21.265058376570593,
                  25.229865028552116
                ],
                [
                  -157.75663091624975,
                  21.265129761703697,
                  -15.750134971447888
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2952.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2952.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:16:50Z",
            "pc:count": 14650317,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629456.1384,
                "count": 14650317,
                "maximum": 629999.8296,
                "minimum": 628999.8096,
                "name": "X",
                "position": 0,
                "stddev": 280.3947037,
                "variance": 78621.18984
              },
              {
                "average": 2352475.942,
                "count": 14650317,
                "maximum": 2352998.444,
                "minimum": 2351998.424,
                "name": "Y",
                "position": 1,
                "stddev": 262.0517846,
                "variance": 68671.1378
              },
              {
                "average": -7.357253871,
                "count": 14650317,
                "maximum": 25.22986503,
                "minimum": -15.75013497,
                "name": "Z",
                "position": 2,
                "stddev": 4.206063898,
                "variance": 17.69097351
              },
              {
                "average": 18.66719034,
                "count": 14650317,
                "maximum": 7737,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 59.05181886,
                "variance": 3487.117311
              },
              {
                "average": 1.013056509,
                "count": 14650317,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1228861547,
                "variance": 0.01510100702
              },
              {
                "average": 1.022181977,
                "count": 14650317,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1692132786,
                "variance": 0.02863313367
              },
              {
                "average": 1,
                "count": 14650317,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14650317,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.8377732,
                "count": 14650317,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.121988167,
                "variance": 4.502833781
              },
              {
                "average": 20.06950479,
                "count": 14650317,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.661044784,
                "variance": 13.40324891
              },
              {
                "average": 93.03788328,
                "count": 14650317,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.99108046,
                "variance": 4354.822701
              },
              {
                "average": 8.965699377,
                "count": 14650317,
                "maximum": 15,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.561140391,
                "variance": 12.68172089
              },
              {
                "average": 63718284.96,
                "count": 14650317,
                "maximum": 63916210.14,
                "minimum": 63379349.76,
                "name": "GpsTime",
                "position": 12,
                "stddev": 256435.3689,
                "variance": 65759098450.0
              },
              {
                "average": 0,
                "count": 14650317,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14650317,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14650317,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14650317,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14650317,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8096,
              2351998.424,
              -15.75013497,
              629999.8296,
              2352998.444,
              25.22986503
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8096479333,
                    2351998.423859112,
                    -15.750134971447888
                  ],
                  [
                    628999.8096479333,
                    2352998.4438591115,
                    -15.750134971447888
                  ],
                  [
                    629999.8296479334,
                    2352998.4438591115,
                    25.229865028552116
                  ],
                  [
                    629999.8296479334,
                    2351998.423859112,
                    25.229865028552116
                  ],
                  [
                    628999.8096479333,
                    2351998.423859112,
                    -15.750134971447888
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:16:50+00:00",
            "end_time": "2013-09-16T15:09:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2776.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.77409322227913,
              21.482067838497485,
              -44.61112018149349
            ],
            [
              -157.77408661107245,
              21.48285732746474,
              -44.61112018149349
            ],
            [
              -157.7737785474729,
              21.48285506740495,
              -41.11112018149349
            ],
            [
              -157.773785160354,
              21.482065578526306,
              -41.11112018149349
            ],
            [
              -157.77409322227913,
              21.482067838497485,
              -44.61112018149349
            ]
          ]
        ]
      },
      "bbox": [
        -157.7740932,
        21.48206558,
        -44.61112018,
        -157.7737785,
        21.48285733,
        -41.11112018
      ],
      "properties": {
        "datetime": "2013-09-21T01:42:48Z",
        "pc:count": 23,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 627018.0343,
            "count": 23,
            "maximum": 627032.5352,
            "minimum": 627000.6152,
            "name": "X",
            "position": 0,
            "stddev": 9.709142324,
            "variance": 94.26744467
          },
          {
            "average": 2376020.023,
            "count": 23,
            "maximum": 2376085.922,
            "minimum": 2375998.522,
            "name": "Y",
            "position": 1,
            "stddev": 22.51751821,
            "variance": 507.0386265
          },
          {
            "average": -42.06416366,
            "count": 23,
            "maximum": -41.11112018,
            "minimum": -44.61112018,
            "name": "Z",
            "position": 2,
            "stddev": 0.8612170816,
            "variance": 0.7416948617
          },
          {
            "average": 0,
            "count": 23,
            "maximum": 0,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 23,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 23,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 23,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 23,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 23,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.56556536,
            "count": 23,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.471774324,
            "variance": 89.71450885
          },
          {
            "average": 249,
            "count": 23,
            "maximum": 249,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.17391304,
            "count": 23,
            "maximum": 13,
            "minimum": 12,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3875533879,
            "variance": 0.1501976285
          },
          {
            "average": 63762594.66,
            "count": 23,
            "maximum": 63762968.97,
            "minimum": 63762513.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 174.6640009,
            "variance": 30507.5132
          },
          {
            "average": 0,
            "count": 23,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 23,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 23,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 23,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 23,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627000.6152,
          2375998.522,
          -44.61112018,
          627032.5352,
          2376085.922,
          -41.11112018
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627000.6152159898,
                2375998.521910066,
                -44.61112018149349
              ],
              [
                627000.6152159898,
                2376085.921910066,
                -44.61112018149349
              ],
              [
                627032.5352159897,
                2376085.921910066,
                -41.11112018149349
              ],
              [
                627032.5352159897,
                2375998.521910066,
                -41.11112018149349
              ],
              [
                627000.6152159898,
                2375998.521910066,
                -44.61112018149349
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:42:48+00:00",
        "end_time": "2013-09-21T01:35:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2776.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2776.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2776.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2776.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7740932,
            21.48206558,
            -44.61112018,
            -157.7737785,
            21.48285733,
            -41.11112018
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.77409322227913,
                  21.482067838497485,
                  -44.61112018149349
                ],
                [
                  -157.77408661107245,
                  21.48285732746474,
                  -44.61112018149349
                ],
                [
                  -157.7737785474729,
                  21.48285506740495,
                  -41.11112018149349
                ],
                [
                  -157.773785160354,
                  21.482065578526306,
                  -41.11112018149349
                ],
                [
                  -157.77409322227913,
                  21.482067838497485,
                  -44.61112018149349
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2776.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2776.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:42:48Z",
            "pc:count": 23,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 627018.0343,
                "count": 23,
                "maximum": 627032.5352,
                "minimum": 627000.6152,
                "name": "X",
                "position": 0,
                "stddev": 9.709142324,
                "variance": 94.26744467
              },
              {
                "average": 2376020.023,
                "count": 23,
                "maximum": 2376085.922,
                "minimum": 2375998.522,
                "name": "Y",
                "position": 1,
                "stddev": 22.51751821,
                "variance": 507.0386265
              },
              {
                "average": -42.06416366,
                "count": 23,
                "maximum": -41.11112018,
                "minimum": -44.61112018,
                "name": "Z",
                "position": 2,
                "stddev": 0.8612170816,
                "variance": 0.7416948617
              },
              {
                "average": 0,
                "count": 23,
                "maximum": 0,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 23,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 23,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 23,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 23,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 23,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.56556536,
                "count": 23,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.471774324,
                "variance": 89.71450885
              },
              {
                "average": 249,
                "count": 23,
                "maximum": 249,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.17391304,
                "count": 23,
                "maximum": 13,
                "minimum": 12,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3875533879,
                "variance": 0.1501976285
              },
              {
                "average": 63762594.66,
                "count": 23,
                "maximum": 63762968.97,
                "minimum": 63762513.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 174.6640009,
                "variance": 30507.5132
              },
              {
                "average": 0,
                "count": 23,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 23,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 23,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 23,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 23,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627000.6152,
              2375998.522,
              -44.61112018,
              627032.5352,
              2376085.922,
              -41.11112018
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627000.6152159898,
                    2375998.521910066,
                    -44.61112018149349
                  ],
                  [
                    627000.6152159898,
                    2376085.921910066,
                    -44.61112018149349
                  ],
                  [
                    627032.5352159897,
                    2376085.921910066,
                    -41.11112018149349
                  ],
                  [
                    627032.5352159897,
                    2375998.521910066,
                    -41.11112018149349
                  ],
                  [
                    627000.6152159898,
                    2375998.521910066,
                    -44.61112018149349
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:42:48+00:00",
            "end_time": "2013-09-21T01:35:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2850.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.76637951523594,
              21.251792316487286,
              -21.052255497654674
            ],
            [
              -157.76634308032396,
              21.2561674932826,
              -21.052255497654674
            ],
            [
              -157.7567068335765,
              21.256096693548574,
              -15.372255497654674
            ],
            [
              -157.75674355287268,
              21.251721532750484,
              -15.372255497654674
            ],
            [
              -157.76637951523594,
              21.251792316487286,
              -21.052255497654674
            ]
          ]
        ]
      },
      "bbox": [
        -157.7663795,
        21.25172153,
        -21.0522555,
        -157.7567068,
        21.25616749,
        -15.3722555
      ],
      "properties": {
        "datetime": "2013-09-16T15:02:53Z",
        "pc:count": 973318,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628383.8679,
            "count": 973318,
            "maximum": 628999.8017,
            "minimum": 627999.8017,
            "name": "X",
            "position": 0,
            "stddev": 259.7648411,
            "variance": 67477.77266
          },
          {
            "average": 2350847.657,
            "count": 973318,
            "maximum": 2350998.442,
            "minimum": 2350514.102,
            "name": "Y",
            "position": 1,
            "stddev": 112.23216,
            "variance": 12596.05775
          },
          {
            "average": -17.94942038,
            "count": 973318,
            "maximum": -15.3722555,
            "minimum": -21.0522555,
            "name": "Z",
            "position": 2,
            "stddev": 1.002127944,
            "variance": 1.004260416
          },
          {
            "average": 247.7382079,
            "count": 973318,
            "maximum": 982,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 234.1460575,
            "variance": 54824.37626
          },
          {
            "average": 1.00038939,
            "count": 973318,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01972912749,
            "variance": 0.0003892384714
          },
          {
            "average": 1.000578434,
            "count": 973318,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02404370558,
            "variance": 0.0005780997782
          },
          {
            "average": 1,
            "count": 973318,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 973318,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 973318,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.33462797,
            "count": 973318,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.03165675,
            "variance": 49.44419665
          },
          {
            "average": 163.8527449,
            "count": 973318,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 92.91953561,
            "variance": 8634.040098
          },
          {
            "average": 1.466473444,
            "count": 973318,
            "maximum": 3,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6310330452,
            "variance": 0.3982027042
          },
          {
            "average": 63378394.36,
            "count": 973318,
            "maximum": 63378973.85,
            "minimum": 63378210.71,
            "name": "GpsTime",
            "position": 12,
            "stddev": 233.9764994,
            "variance": 54745.00226
          },
          {
            "average": 0,
            "count": 973318,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 973318,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 973318,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 973318,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 973318,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.8017,
          2350514.102,
          -21.0522555,
          628999.8017,
          2350998.442,
          -15.3722555
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.801748469,
                2350514.102286537,
                -21.052255497654674
              ],
              [
                627999.801748469,
                2350998.442286537,
                -21.052255497654674
              ],
              [
                628999.801748469,
                2350998.442286537,
                -15.372255497654674
              ],
              [
                628999.801748469,
                2350514.102286537,
                -15.372255497654674
              ],
              [
                627999.801748469,
                2350514.102286537,
                -21.052255497654674
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T15:02:53+00:00",
        "end_time": "2013-09-16T14:50:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2850.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2850.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2850.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2850.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7663795,
            21.25172153,
            -21.0522555,
            -157.7567068,
            21.25616749,
            -15.3722555
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.76637951523594,
                  21.251792316487286,
                  -21.052255497654674
                ],
                [
                  -157.76634308032396,
                  21.2561674932826,
                  -21.052255497654674
                ],
                [
                  -157.7567068335765,
                  21.256096693548574,
                  -15.372255497654674
                ],
                [
                  -157.75674355287268,
                  21.251721532750484,
                  -15.372255497654674
                ],
                [
                  -157.76637951523594,
                  21.251792316487286,
                  -21.052255497654674
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2850.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2850.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T15:02:53Z",
            "pc:count": 973318,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628383.8679,
                "count": 973318,
                "maximum": 628999.8017,
                "minimum": 627999.8017,
                "name": "X",
                "position": 0,
                "stddev": 259.7648411,
                "variance": 67477.77266
              },
              {
                "average": 2350847.657,
                "count": 973318,
                "maximum": 2350998.442,
                "minimum": 2350514.102,
                "name": "Y",
                "position": 1,
                "stddev": 112.23216,
                "variance": 12596.05775
              },
              {
                "average": -17.94942038,
                "count": 973318,
                "maximum": -15.3722555,
                "minimum": -21.0522555,
                "name": "Z",
                "position": 2,
                "stddev": 1.002127944,
                "variance": 1.004260416
              },
              {
                "average": 247.7382079,
                "count": 973318,
                "maximum": 982,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 234.1460575,
                "variance": 54824.37626
              },
              {
                "average": 1.00038939,
                "count": 973318,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01972912749,
                "variance": 0.0003892384714
              },
              {
                "average": 1.000578434,
                "count": 973318,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02404370558,
                "variance": 0.0005780997782
              },
              {
                "average": 1,
                "count": 973318,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 973318,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 973318,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.33462797,
                "count": 973318,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.03165675,
                "variance": 49.44419665
              },
              {
                "average": 163.8527449,
                "count": 973318,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 92.91953561,
                "variance": 8634.040098
              },
              {
                "average": 1.466473444,
                "count": 973318,
                "maximum": 3,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6310330452,
                "variance": 0.3982027042
              },
              {
                "average": 63378394.36,
                "count": 973318,
                "maximum": 63378973.85,
                "minimum": 63378210.71,
                "name": "GpsTime",
                "position": 12,
                "stddev": 233.9764994,
                "variance": 54745.00226
              },
              {
                "average": 0,
                "count": 973318,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 973318,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 973318,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 973318,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 973318,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.8017,
              2350514.102,
              -21.0522555,
              628999.8017,
              2350998.442,
              -15.3722555
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.801748469,
                    2350514.102286537,
                    -21.052255497654674
                  ],
                  [
                    627999.801748469,
                    2350998.442286537,
                    -21.052255497654674
                  ],
                  [
                    628999.801748469,
                    2350998.442286537,
                    -15.372255497654674
                  ],
                  [
                    628999.801748469,
                    2350514.102286537,
                    -15.372255497654674
                  ],
                  [
                    627999.801748469,
                    2350514.102286537,
                    -21.052255497654674
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T15:02:53+00:00",
            "end_time": "2013-09-16T14:50:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2676.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.78375178406947,
              21.482138046865483,
              -46.405741404419565
            ],
            [
              -157.78367673177274,
              21.49117112699175,
              -46.405741404419565
            ],
            [
              -157.77402604571375,
              21.491100581810272,
              -13.845741404419563
            ],
            [
              -157.77410170555964,
              21.48206753189809,
              -13.845741404419563
            ],
            [
              -157.78375178406947,
              21.482138046865483,
              -46.405741404419565
            ]
          ]
        ]
      },
      "bbox": [
        -157.7837518,
        21.48206753,
        -46.4057414,
        -157.774026,
        21.49117113,
        -13.8457414
      ],
      "properties": {
        "datetime": "2013-09-21T02:23:30Z",
        "pc:count": 448666,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 626302.0156,
            "count": 448666,
            "maximum": 626999.7365,
            "minimum": 625999.8365,
            "name": "X",
            "position": 0,
            "stddev": 223.4908445,
            "variance": 49948.15757
          },
          {
            "average": 2376379.503,
            "count": 448666,
            "maximum": 2376998.481,
            "minimum": 2375998.481,
            "name": "Y",
            "position": 1,
            "stddev": 258.0902315,
            "variance": 66610.56761
          },
          {
            "average": -26.63392633,
            "count": 448666,
            "maximum": -13.8457414,
            "minimum": -46.4057414,
            "name": "Z",
            "position": 2,
            "stddev": 8.062514138,
            "variance": 65.00413422
          },
          {
            "average": 277.1276562,
            "count": 448666,
            "maximum": 1063,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 190.0327602,
            "variance": 36112.44996
          },
          {
            "average": 1.004205801,
            "count": 448666,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06744770527,
            "variance": 0.004549192946
          },
          {
            "average": 1.0064168,
            "count": 448666,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08710984355,
            "variance": 0.007588124843
          },
          {
            "average": 1,
            "count": 448666,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 448666,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 448666,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.657157179,
            "count": 448666,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.783780916,
            "variance": 95.72236902
          },
          {
            "average": 235.3775726,
            "count": 448666,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 44.24352835,
            "variance": 1957.489801
          },
          {
            "average": 8.617983088,
            "count": 448666,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.73491766,
            "variance": 32.88928057
          },
          {
            "average": 63728995.37,
            "count": 448666,
            "maximum": 63765410.96,
            "minimum": 63653345.64,
            "name": "GpsTime",
            "position": 12,
            "stddev": 50325.27134,
            "variance": 2532632936
          },
          {
            "average": 0,
            "count": 448666,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 448666,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 448666,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 448666,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 448666,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          625999.8365,
          2375998.481,
          -46.4057414,
          626999.7365,
          2376998.481,
          -13.8457414
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                625999.8365364175,
                2375998.481081922,
                -46.405741404419565
              ],
              [
                625999.8365364175,
                2376998.481081922,
                -46.405741404419565
              ],
              [
                626999.7365364174,
                2376998.481081922,
                -13.845741404419563
              ],
              [
                626999.7365364174,
                2375998.481081922,
                -13.845741404419563
              ],
              [
                625999.8365364175,
                2375998.481081922,
                -46.405741404419565
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:23:30+00:00",
        "end_time": "2013-09-19T19:15:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2676.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2676.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2676.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2676.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7837518,
            21.48206753,
            -46.4057414,
            -157.774026,
            21.49117113,
            -13.8457414
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.78375178406947,
                  21.482138046865483,
                  -46.405741404419565
                ],
                [
                  -157.78367673177274,
                  21.49117112699175,
                  -46.405741404419565
                ],
                [
                  -157.77402604571375,
                  21.491100581810272,
                  -13.845741404419563
                ],
                [
                  -157.77410170555964,
                  21.48206753189809,
                  -13.845741404419563
                ],
                [
                  -157.78375178406947,
                  21.482138046865483,
                  -46.405741404419565
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2676.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2676.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:23:30Z",
            "pc:count": 448666,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 626302.0156,
                "count": 448666,
                "maximum": 626999.7365,
                "minimum": 625999.8365,
                "name": "X",
                "position": 0,
                "stddev": 223.4908445,
                "variance": 49948.15757
              },
              {
                "average": 2376379.503,
                "count": 448666,
                "maximum": 2376998.481,
                "minimum": 2375998.481,
                "name": "Y",
                "position": 1,
                "stddev": 258.0902315,
                "variance": 66610.56761
              },
              {
                "average": -26.63392633,
                "count": 448666,
                "maximum": -13.8457414,
                "minimum": -46.4057414,
                "name": "Z",
                "position": 2,
                "stddev": 8.062514138,
                "variance": 65.00413422
              },
              {
                "average": 277.1276562,
                "count": 448666,
                "maximum": 1063,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 190.0327602,
                "variance": 36112.44996
              },
              {
                "average": 1.004205801,
                "count": 448666,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06744770527,
                "variance": 0.004549192946
              },
              {
                "average": 1.0064168,
                "count": 448666,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08710984355,
                "variance": 0.007588124843
              },
              {
                "average": 1,
                "count": 448666,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 448666,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 448666,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.657157179,
                "count": 448666,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.783780916,
                "variance": 95.72236902
              },
              {
                "average": 235.3775726,
                "count": 448666,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 44.24352835,
                "variance": 1957.489801
              },
              {
                "average": 8.617983088,
                "count": 448666,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.73491766,
                "variance": 32.88928057
              },
              {
                "average": 63728995.37,
                "count": 448666,
                "maximum": 63765410.96,
                "minimum": 63653345.64,
                "name": "GpsTime",
                "position": 12,
                "stddev": 50325.27134,
                "variance": 2532632936
              },
              {
                "average": 0,
                "count": 448666,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 448666,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 448666,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 448666,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 448666,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              625999.8365,
              2375998.481,
              -46.4057414,
              626999.7365,
              2376998.481,
              -13.8457414
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    625999.8365364175,
                    2375998.481081922,
                    -46.405741404419565
                  ],
                  [
                    625999.8365364175,
                    2376998.481081922,
                    -46.405741404419565
                  ],
                  [
                    626999.7365364174,
                    2376998.481081922,
                    -13.845741404419563
                  ],
                  [
                    626999.7365364174,
                    2375998.481081922,
                    -13.845741404419563
                  ],
                  [
                    625999.8365364175,
                    2375998.481081922,
                    -46.405741404419565
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:23:30+00:00",
            "end_time": "2013-09-19T19:15:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3264.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72678542856278,
              21.373311122874032,
              2.687017013870289
            ],
            [
              -157.72670748185297,
              21.382344297868237,
              2.687017013870289
            ],
            [
              -157.717062836289,
              21.382270824950645,
              185.2270170138703
            ],
            [
              -157.7171414281549,
              21.37323768099164,
              185.2270170138703
            ],
            [
              -157.72678542856278,
              21.373311122874032,
              2.687017013870289
            ]
          ]
        ]
      },
      "bbox": [
        -157.7267854,
        21.37323768,
        2.687017014,
        -157.7170628,
        21.3823443,
        185.227017
      ],
      "properties": {
        "datetime": "2013-09-20T20:23:06Z",
        "pc:count": 8443601,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632549.5472,
            "count": 8443601,
            "maximum": 632999.9243,
            "minimum": 631999.9043,
            "name": "X",
            "position": 0,
            "stddev": 296.7289761,
            "variance": 88048.08528
          },
          {
            "average": 2364496.431,
            "count": 8443601,
            "maximum": 2364998.483,
            "minimum": 2363998.463,
            "name": "Y",
            "position": 1,
            "stddev": 287.5395262,
            "variance": 82678.97915
          },
          {
            "average": 59.05964539,
            "count": 8443601,
            "maximum": 185.227017,
            "minimum": 2.687017014,
            "name": "Z",
            "position": 2,
            "stddev": 42.66191571,
            "variance": 1820.039052
          },
          {
            "average": 14.62414247,
            "count": 8443601,
            "maximum": 874,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.87926198,
            "variance": 953.5288203
          },
          {
            "average": 1.735293863,
            "count": 8443601,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9711863031,
            "variance": 0.9432028354
          },
          {
            "average": 2.47110362,
            "count": 8443601,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.334207943,
            "variance": 1.780110834
          },
          {
            "average": 1,
            "count": 8443601,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8443601,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.141373805,
            "count": 8443601,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3484067544,
            "variance": 0.1213872665
          },
          {
            "average": 20.15759352,
            "count": 8443601,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.410917263,
            "variance": 5.812522047
          },
          {
            "average": 90.74581236,
            "count": 8443601,
            "maximum": 211,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.94755397,
            "variance": 4481.974982
          },
          {
            "average": 2.838578706,
            "count": 8443601,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.328606813,
            "variance": 1.765196064
          },
          {
            "average": 63737867.27,
            "count": 8443601,
            "maximum": 63743786.68,
            "minimum": 63678842.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 14104.62779,
            "variance": 198940525.1
          },
          {
            "average": 0,
            "count": 8443601,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8443601,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8443601,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8443601,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8443601,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.9043,
          2363998.463,
          2.687017014,
          632999.9243,
          2364998.483,
          185.227017
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.9043048086,
                2363998.4634587625,
                2.687017013870289
              ],
              [
                631999.9043048086,
                2364998.483458762,
                2.687017013870289
              ],
              [
                632999.9243048086,
                2364998.483458762,
                185.2270170138703
              ],
              [
                632999.9243048086,
                2363998.4634587625,
                185.2270170138703
              ],
              [
                631999.9043048086,
                2363998.4634587625,
                2.687017013870289
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:23:06+00:00",
        "end_time": "2013-09-20T02:20:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3264.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3264.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3264.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3264.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7267854,
            21.37323768,
            2.687017014,
            -157.7170628,
            21.3823443,
            185.227017
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72678542856278,
                  21.373311122874032,
                  2.687017013870289
                ],
                [
                  -157.72670748185297,
                  21.382344297868237,
                  2.687017013870289
                ],
                [
                  -157.717062836289,
                  21.382270824950645,
                  185.2270170138703
                ],
                [
                  -157.7171414281549,
                  21.37323768099164,
                  185.2270170138703
                ],
                [
                  -157.72678542856278,
                  21.373311122874032,
                  2.687017013870289
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3264.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3264.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:23:06Z",
            "pc:count": 8443601,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632549.5472,
                "count": 8443601,
                "maximum": 632999.9243,
                "minimum": 631999.9043,
                "name": "X",
                "position": 0,
                "stddev": 296.7289761,
                "variance": 88048.08528
              },
              {
                "average": 2364496.431,
                "count": 8443601,
                "maximum": 2364998.483,
                "minimum": 2363998.463,
                "name": "Y",
                "position": 1,
                "stddev": 287.5395262,
                "variance": 82678.97915
              },
              {
                "average": 59.05964539,
                "count": 8443601,
                "maximum": 185.227017,
                "minimum": 2.687017014,
                "name": "Z",
                "position": 2,
                "stddev": 42.66191571,
                "variance": 1820.039052
              },
              {
                "average": 14.62414247,
                "count": 8443601,
                "maximum": 874,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.87926198,
                "variance": 953.5288203
              },
              {
                "average": 1.735293863,
                "count": 8443601,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9711863031,
                "variance": 0.9432028354
              },
              {
                "average": 2.47110362,
                "count": 8443601,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.334207943,
                "variance": 1.780110834
              },
              {
                "average": 1,
                "count": 8443601,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8443601,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.141373805,
                "count": 8443601,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3484067544,
                "variance": 0.1213872665
              },
              {
                "average": 20.15759352,
                "count": 8443601,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.410917263,
                "variance": 5.812522047
              },
              {
                "average": 90.74581236,
                "count": 8443601,
                "maximum": 211,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.94755397,
                "variance": 4481.974982
              },
              {
                "average": 2.838578706,
                "count": 8443601,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.328606813,
                "variance": 1.765196064
              },
              {
                "average": 63737867.27,
                "count": 8443601,
                "maximum": 63743786.68,
                "minimum": 63678842.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 14104.62779,
                "variance": 198940525.1
              },
              {
                "average": 0,
                "count": 8443601,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8443601,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8443601,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8443601,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8443601,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.9043,
              2363998.463,
              2.687017014,
              632999.9243,
              2364998.483,
              185.227017
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.9043048086,
                    2363998.4634587625,
                    2.687017013870289
                  ],
                  [
                    631999.9043048086,
                    2364998.483458762,
                    2.687017013870289
                  ],
                  [
                    632999.9243048086,
                    2364998.483458762,
                    185.2270170138703
                  ],
                  [
                    632999.9243048086,
                    2363998.4634587625,
                    185.2270170138703
                  ],
                  [
                    631999.9043048086,
                    2363998.4634587625,
                    2.687017013870289
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:23:06+00:00",
            "end_time": "2013-09-20T02:20:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3064.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.74607369841095,
              21.373456354824647,
              -2.076013233315152
            ],
            [
              -157.74599694667685,
              21.382489415055982,
              -2.076013233315152
            ],
            [
              -157.73635213446076,
              21.382417043820322,
              118.46398676668485
            ],
            [
              -157.73642947781875,
              21.37338401662946,
              118.46398676668485
            ],
            [
              -157.74607369841095,
              21.373456354824647,
              -2.076013233315152
            ]
          ]
        ]
      },
      "bbox": [
        -157.7460737,
        21.37338402,
        -2.076013233,
        -157.7363521,
        21.38248942,
        118.4639868
      ],
      "properties": {
        "datetime": "2013-09-21T00:41:12Z",
        "pc:count": 6432284,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630401.2824,
            "count": 6432284,
            "maximum": 630999.8788,
            "minimum": 629999.8388,
            "name": "X",
            "position": 0,
            "stddev": 287.3819848,
            "variance": 82588.40522
          },
          {
            "average": 2364465.157,
            "count": 6432284,
            "maximum": 2364998.464,
            "minimum": 2363998.464,
            "name": "Y",
            "position": 1,
            "stddev": 293.907554,
            "variance": 86381.65031
          },
          {
            "average": 33.17293776,
            "count": 6432284,
            "maximum": 118.4639868,
            "minimum": -2.076013233,
            "name": "Z",
            "position": 2,
            "stddev": 29.21106486,
            "variance": 853.2863101
          },
          {
            "average": 17.42246906,
            "count": 6432284,
            "maximum": 1009,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 34.70580762,
            "variance": 1204.493083
          },
          {
            "average": 1.682142766,
            "count": 6432284,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.995953326,
            "variance": 0.9919230277
          },
          {
            "average": 2.366402043,
            "count": 6432284,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.430847169,
            "variance": 2.047323622
          },
          {
            "average": 1,
            "count": 6432284,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6432284,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.308047344,
            "count": 6432284,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.038945276,
            "variance": 4.157297838
          },
          {
            "average": 20.06854199,
            "count": 6432284,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.197417246,
            "variance": 4.828642554
          },
          {
            "average": 91.39196699,
            "count": 6432284,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.26875857,
            "variance": 4391.548363
          },
          {
            "average": 5.416149536,
            "count": 6432284,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.862798829,
            "variance": 14.92121479
          },
          {
            "average": 63751478.4,
            "count": 6432284,
            "maximum": 63759272.51,
            "minimum": 63743012.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6528.300171,
            "variance": 42618703.12
          },
          {
            "average": 0,
            "count": 6432284,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6432284,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6432284,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6432284,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6432284,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8388,
          2363998.464,
          -2.076013233,
          630999.8788,
          2364998.464,
          118.4639868
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8388028259,
                2363998.4637993854,
                -2.076013233315152
              ],
              [
                629999.8388028259,
                2364998.4637993854,
                -2.076013233315152
              ],
              [
                630999.8788028259,
                2364998.4637993854,
                118.46398676668485
              ],
              [
                630999.8788028259,
                2363998.4637993854,
                118.46398676668485
              ],
              [
                629999.8388028259,
                2363998.4637993854,
                -2.076013233315152
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:41:12+00:00",
        "end_time": "2013-09-20T20:10:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3064.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3064.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3064.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3064.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7460737,
            21.37338402,
            -2.076013233,
            -157.7363521,
            21.38248942,
            118.4639868
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.74607369841095,
                  21.373456354824647,
                  -2.076013233315152
                ],
                [
                  -157.74599694667685,
                  21.382489415055982,
                  -2.076013233315152
                ],
                [
                  -157.73635213446076,
                  21.382417043820322,
                  118.46398676668485
                ],
                [
                  -157.73642947781875,
                  21.37338401662946,
                  118.46398676668485
                ],
                [
                  -157.74607369841095,
                  21.373456354824647,
                  -2.076013233315152
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3064.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3064.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:41:12Z",
            "pc:count": 6432284,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630401.2824,
                "count": 6432284,
                "maximum": 630999.8788,
                "minimum": 629999.8388,
                "name": "X",
                "position": 0,
                "stddev": 287.3819848,
                "variance": 82588.40522
              },
              {
                "average": 2364465.157,
                "count": 6432284,
                "maximum": 2364998.464,
                "minimum": 2363998.464,
                "name": "Y",
                "position": 1,
                "stddev": 293.907554,
                "variance": 86381.65031
              },
              {
                "average": 33.17293776,
                "count": 6432284,
                "maximum": 118.4639868,
                "minimum": -2.076013233,
                "name": "Z",
                "position": 2,
                "stddev": 29.21106486,
                "variance": 853.2863101
              },
              {
                "average": 17.42246906,
                "count": 6432284,
                "maximum": 1009,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 34.70580762,
                "variance": 1204.493083
              },
              {
                "average": 1.682142766,
                "count": 6432284,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.995953326,
                "variance": 0.9919230277
              },
              {
                "average": 2.366402043,
                "count": 6432284,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.430847169,
                "variance": 2.047323622
              },
              {
                "average": 1,
                "count": 6432284,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6432284,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.308047344,
                "count": 6432284,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.038945276,
                "variance": 4.157297838
              },
              {
                "average": 20.06854199,
                "count": 6432284,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.197417246,
                "variance": 4.828642554
              },
              {
                "average": 91.39196699,
                "count": 6432284,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.26875857,
                "variance": 4391.548363
              },
              {
                "average": 5.416149536,
                "count": 6432284,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.862798829,
                "variance": 14.92121479
              },
              {
                "average": 63751478.4,
                "count": 6432284,
                "maximum": 63759272.51,
                "minimum": 63743012.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6528.300171,
                "variance": 42618703.12
              },
              {
                "average": 0,
                "count": 6432284,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6432284,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6432284,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6432284,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6432284,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8388,
              2363998.464,
              -2.076013233,
              630999.8788,
              2364998.464,
              118.4639868
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8388028259,
                    2363998.4637993854,
                    -2.076013233315152
                  ],
                  [
                    629999.8388028259,
                    2364998.4637993854,
                    -2.076013233315152
                  ],
                  [
                    630999.8788028259,
                    2364998.4637993854,
                    118.46398676668485
                  ],
                  [
                    630999.8788028259,
                    2363998.4637993854,
                    118.46398676668485
                  ],
                  [
                    629999.8388028259,
                    2363998.4637993854,
                    -2.076013233315152
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:41:12+00:00",
            "end_time": "2013-09-20T20:10:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3663.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.68829004161202,
              21.36398141115632,
              -21.777607270783054
            ],
            [
              -157.68820961425166,
              21.37301428500492,
              -21.777607270783054
            ],
            [
              -157.6785658322577,
              21.372938624484814,
              -1.537607270783052
            ],
            [
              -157.6786468555909,
              21.36390578528589,
              -1.537607270783052
            ],
            [
              -157.68829004161202,
              21.36398141115632,
              -21.777607270783054
            ]
          ]
        ]
      },
      "bbox": [
        -157.68829,
        21.36390579,
        -21.77760727,
        -157.6785658,
        21.37301429,
        -1.537607271
      ],
      "properties": {
        "datetime": "2013-09-19T20:30:03Z",
        "pc:count": 1151036,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636399.469,
            "count": 1151036,
            "maximum": 637000.0247,
            "minimum": 636000.0047,
            "name": "X",
            "position": 0,
            "stddev": 311.0088112,
            "variance": 96726.48065
          },
          {
            "average": 2363502.819,
            "count": 1151036,
            "maximum": 2363998.493,
            "minimum": 2362998.493,
            "name": "Y",
            "position": 1,
            "stddev": 269.2449881,
            "variance": 72492.86362
          },
          {
            "average": -11.31613653,
            "count": 1151036,
            "maximum": -1.537607271,
            "minimum": -21.77760727,
            "name": "Z",
            "position": 2,
            "stddev": 4.670585269,
            "variance": 21.81436676
          },
          {
            "average": 42.21518701,
            "count": 1151036,
            "maximum": 5273,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 63.7395152,
            "variance": 4062.725798
          },
          {
            "average": 1.027231989,
            "count": 1151036,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1652170147,
            "variance": 0.02729666196
          },
          {
            "average": 1.029598553,
            "count": 1151036,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1722382137,
            "variance": 0.02966600225
          },
          {
            "average": 1,
            "count": 1151036,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1151036,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1151036,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.48289835,
            "count": 1151036,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.510329388,
            "variance": 30.36372997
          },
          {
            "average": 179.1098245,
            "count": 1151036,
            "maximum": 254,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 83.44586726,
            "variance": 6963.212763
          },
          {
            "average": 5.73983785,
            "count": 1151036,
            "maximum": 8,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.375969958,
            "variance": 1.893293326
          },
          {
            "average": 63644331.53,
            "count": 1151036,
            "maximum": 63657803.48,
            "minimum": 63593464.61,
            "name": "GpsTime",
            "position": 12,
            "stddev": 24084.19089,
            "variance": 580048251
          },
          {
            "average": 0,
            "count": 1151036,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1151036,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1151036,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1151036,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1151036,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          636000.0047,
          2362998.493,
          -21.77760727,
          637000.0247,
          2363998.493,
          -1.537607271
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                636000.0046681764,
                2362998.49250501,
                -21.777607270783054
              ],
              [
                636000.0046681764,
                2363998.49250501,
                -21.777607270783054
              ],
              [
                637000.0246681764,
                2363998.49250501,
                -1.537607270783052
              ],
              [
                637000.0246681764,
                2362998.49250501,
                -1.537607270783052
              ],
              [
                636000.0046681764,
                2362998.49250501,
                -21.777607270783054
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:30:03+00:00",
        "end_time": "2013-09-19T02:37:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3663.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3663.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3663.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3663.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.68829,
            21.36390579,
            -21.77760727,
            -157.6785658,
            21.37301429,
            -1.537607271
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.68829004161202,
                  21.36398141115632,
                  -21.777607270783054
                ],
                [
                  -157.68820961425166,
                  21.37301428500492,
                  -21.777607270783054
                ],
                [
                  -157.6785658322577,
                  21.372938624484814,
                  -1.537607270783052
                ],
                [
                  -157.6786468555909,
                  21.36390578528589,
                  -1.537607270783052
                ],
                [
                  -157.68829004161202,
                  21.36398141115632,
                  -21.777607270783054
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3663.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3663.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:30:03Z",
            "pc:count": 1151036,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636399.469,
                "count": 1151036,
                "maximum": 637000.0247,
                "minimum": 636000.0047,
                "name": "X",
                "position": 0,
                "stddev": 311.0088112,
                "variance": 96726.48065
              },
              {
                "average": 2363502.819,
                "count": 1151036,
                "maximum": 2363998.493,
                "minimum": 2362998.493,
                "name": "Y",
                "position": 1,
                "stddev": 269.2449881,
                "variance": 72492.86362
              },
              {
                "average": -11.31613653,
                "count": 1151036,
                "maximum": -1.537607271,
                "minimum": -21.77760727,
                "name": "Z",
                "position": 2,
                "stddev": 4.670585269,
                "variance": 21.81436676
              },
              {
                "average": 42.21518701,
                "count": 1151036,
                "maximum": 5273,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 63.7395152,
                "variance": 4062.725798
              },
              {
                "average": 1.027231989,
                "count": 1151036,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1652170147,
                "variance": 0.02729666196
              },
              {
                "average": 1.029598553,
                "count": 1151036,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1722382137,
                "variance": 0.02966600225
              },
              {
                "average": 1,
                "count": 1151036,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1151036,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1151036,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.48289835,
                "count": 1151036,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.510329388,
                "variance": 30.36372997
              },
              {
                "average": 179.1098245,
                "count": 1151036,
                "maximum": 254,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 83.44586726,
                "variance": 6963.212763
              },
              {
                "average": 5.73983785,
                "count": 1151036,
                "maximum": 8,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.375969958,
                "variance": 1.893293326
              },
              {
                "average": 63644331.53,
                "count": 1151036,
                "maximum": 63657803.48,
                "minimum": 63593464.61,
                "name": "GpsTime",
                "position": 12,
                "stddev": 24084.19089,
                "variance": 580048251
              },
              {
                "average": 0,
                "count": 1151036,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1151036,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1151036,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1151036,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1151036,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              636000.0047,
              2362998.493,
              -21.77760727,
              637000.0247,
              2363998.493,
              -1.537607271
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    636000.0046681764,
                    2362998.49250501,
                    -21.777607270783054
                  ],
                  [
                    636000.0046681764,
                    2363998.49250501,
                    -21.777607270783054
                  ],
                  [
                    637000.0246681764,
                    2363998.49250501,
                    -1.537607270783052
                  ],
                  [
                    637000.0246681764,
                    2362998.49250501,
                    -1.537607270783052
                  ],
                  [
                    636000.0046681764,
                    2362998.49250501,
                    -21.777607270783054
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:30:03+00:00",
            "end_time": "2013-09-19T02:37:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3551.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.69886481451292,
              21.25837136136374,
              -58.98919595643933
            ],
            [
              -157.69880926143188,
              21.26469357916013,
              -58.98919595643933
            ],
            [
              -157.68917252158198,
              21.26461888871209,
              83.83080404356066
            ],
            [
              -157.68922848571404,
              21.258296695263127,
              83.83080404356066
            ],
            [
              -157.69886481451292,
              21.25837136136374,
              -58.98919595643933
            ]
          ]
        ]
      },
      "bbox": [
        -157.6988648,
        21.2582967,
        -58.98919596,
        -157.6891725,
        21.26469358,
        83.83080404
      ],
      "properties": {
        "datetime": "2013-09-22T18:11:58Z",
        "pc:count": 4525042,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635311.0504,
            "count": 4525042,
            "maximum": 635999.9851,
            "minimum": 634999.9651,
            "name": "X",
            "position": 0,
            "stddev": 221.152423,
            "variance": 48908.39421
          },
          {
            "average": 2351853.488,
            "count": 4525042,
            "maximum": 2351998.468,
            "minimum": 2351298.568,
            "name": "Y",
            "position": 1,
            "stddev": 105.855221,
            "variance": 11205.32782
          },
          {
            "average": 48.66005183,
            "count": 4525042,
            "maximum": 83.83080404,
            "minimum": -58.98919596,
            "name": "Z",
            "position": 2,
            "stddev": 30.70914778,
            "variance": 943.0517574
          },
          {
            "average": 96.1760282,
            "count": 4525042,
            "maximum": 8993,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 439.1677683,
            "variance": 192868.3287
          },
          {
            "average": 1.442671029,
            "count": 4525042,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8477340591,
            "variance": 0.7186530349
          },
          {
            "average": 1.884539856,
            "count": 4525042,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.280091267,
            "variance": 1.638633653
          },
          {
            "average": 1,
            "count": 4525042,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4525042,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.264444396,
            "count": 4525042,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.875971959,
            "variance": 78.78287821
          },
          {
            "average": 19.21508192,
            "count": 4525042,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.418557827,
            "variance": 11.68653761
          },
          {
            "average": 102.0994733,
            "count": 4525042,
            "maximum": 255,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 74.40126902,
            "variance": 5535.548832
          },
          {
            "average": 5.782871408,
            "count": 4525042,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.278053361,
            "variance": 10.74563384
          },
          {
            "average": 63203244.36,
            "count": 4525042,
            "maximum": 63908718.13,
            "minimum": 62897274.45,
            "name": "GpsTime",
            "position": 12,
            "stddev": 455689.1726,
            "variance": 207652622000.0
          },
          {
            "average": 0,
            "count": 4525042,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4525042,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4525042,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4525042,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4525042,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9651,
          2351298.568,
          -58.98919596,
          635999.9851,
          2351998.468,
          83.83080404
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9651409527,
                2351298.5675644516,
                -58.98919595643933
              ],
              [
                634999.9651409527,
                2351998.467564452,
                -58.98919595643933
              ],
              [
                635999.9851409527,
                2351998.467564452,
                83.83080404356066
              ],
              [
                635999.9851409527,
                2351298.5675644516,
                83.83080404356066
              ],
              [
                634999.9651409527,
                2351298.5675644516,
                -58.98919595643933
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:11:58+00:00",
        "end_time": "2013-09-11T01:14:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3551.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3551.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3551.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3551.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6988648,
            21.2582967,
            -58.98919596,
            -157.6891725,
            21.26469358,
            83.83080404
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.69886481451292,
                  21.25837136136374,
                  -58.98919595643933
                ],
                [
                  -157.69880926143188,
                  21.26469357916013,
                  -58.98919595643933
                ],
                [
                  -157.68917252158198,
                  21.26461888871209,
                  83.83080404356066
                ],
                [
                  -157.68922848571404,
                  21.258296695263127,
                  83.83080404356066
                ],
                [
                  -157.69886481451292,
                  21.25837136136374,
                  -58.98919595643933
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3551.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3551.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:11:58Z",
            "pc:count": 4525042,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635311.0504,
                "count": 4525042,
                "maximum": 635999.9851,
                "minimum": 634999.9651,
                "name": "X",
                "position": 0,
                "stddev": 221.152423,
                "variance": 48908.39421
              },
              {
                "average": 2351853.488,
                "count": 4525042,
                "maximum": 2351998.468,
                "minimum": 2351298.568,
                "name": "Y",
                "position": 1,
                "stddev": 105.855221,
                "variance": 11205.32782
              },
              {
                "average": 48.66005183,
                "count": 4525042,
                "maximum": 83.83080404,
                "minimum": -58.98919596,
                "name": "Z",
                "position": 2,
                "stddev": 30.70914778,
                "variance": 943.0517574
              },
              {
                "average": 96.1760282,
                "count": 4525042,
                "maximum": 8993,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 439.1677683,
                "variance": 192868.3287
              },
              {
                "average": 1.442671029,
                "count": 4525042,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8477340591,
                "variance": 0.7186530349
              },
              {
                "average": 1.884539856,
                "count": 4525042,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.280091267,
                "variance": 1.638633653
              },
              {
                "average": 1,
                "count": 4525042,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4525042,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.264444396,
                "count": 4525042,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.875971959,
                "variance": 78.78287821
              },
              {
                "average": 19.21508192,
                "count": 4525042,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.418557827,
                "variance": 11.68653761
              },
              {
                "average": 102.0994733,
                "count": 4525042,
                "maximum": 255,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 74.40126902,
                "variance": 5535.548832
              },
              {
                "average": 5.782871408,
                "count": 4525042,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.278053361,
                "variance": 10.74563384
              },
              {
                "average": 63203244.36,
                "count": 4525042,
                "maximum": 63908718.13,
                "minimum": 62897274.45,
                "name": "GpsTime",
                "position": 12,
                "stddev": 455689.1726,
                "variance": 207652622000.0
              },
              {
                "average": 0,
                "count": 4525042,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4525042,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4525042,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4525042,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4525042,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9651,
              2351298.568,
              -58.98919596,
              635999.9851,
              2351998.468,
              83.83080404
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9651409527,
                    2351298.5675644516,
                    -58.98919595643933
                  ],
                  [
                    634999.9651409527,
                    2351998.467564452,
                    -58.98919595643933
                  ],
                  [
                    635999.9851409527,
                    2351998.467564452,
                    83.83080404356066
                  ],
                  [
                    635999.9851409527,
                    2351298.5675644516,
                    83.83080404356066
                  ],
                  [
                    634999.9651409527,
                    2351298.5675644516,
                    -58.98919595643933
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:11:58+00:00",
            "end_time": "2013-09-11T01:14:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3165.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7363522191238,
              21.382417011410396,
              -1.688004440128982
            ],
            [
              -157.7362746885855,
              21.391450213076254,
              -1.688004440128982
            ],
            [
              -157.72662930379042,
              21.39137725513603,
              38.21199555987101
            ],
            [
              -157.72670742822865,
              21.382344086819035,
              38.21199555987101
            ],
            [
              -157.7363522191238,
              21.382417011410396,
              -1.688004440128982
            ]
          ]
        ]
      },
      "bbox": [
        -157.7363522,
        21.38234409,
        -1.68800444,
        -157.7266293,
        21.39145021,
        38.21199556
      ],
      "properties": {
        "datetime": "2013-09-20T20:10:19Z",
        "pc:count": 6168173,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631516.9452,
            "count": 6168173,
            "maximum": 631999.9101,
            "minimum": 630999.8701,
            "name": "X",
            "position": 0,
            "stddev": 283.1058397,
            "variance": 80148.91649
          },
          {
            "average": 2365522.828,
            "count": 6168173,
            "maximum": 2365998.48,
            "minimum": 2364998.46,
            "name": "Y",
            "position": 1,
            "stddev": 283.1080525,
            "variance": 80150.16938
          },
          {
            "average": 5.365252082,
            "count": 6168173,
            "maximum": 38.21199556,
            "minimum": -1.68800444,
            "name": "Z",
            "position": 2,
            "stddev": 3.329057772,
            "variance": 11.08262565
          },
          {
            "average": 33.00750984,
            "count": 6168173,
            "maximum": 1045,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 55.62071586,
            "variance": 3093.664033
          },
          {
            "average": 1.424676318,
            "count": 6168173,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7957819073,
            "variance": 0.633268844
          },
          {
            "average": 1.855694709,
            "count": 6168173,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.180028657,
            "variance": 1.392467632
          },
          {
            "average": 1,
            "count": 6168173,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6168173,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.485348093,
            "count": 6168173,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.786501985,
            "variance": 7.764593315
          },
          {
            "average": 20.09956965,
            "count": 6168173,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.654105156,
            "variance": 7.044274182
          },
          {
            "average": 91.53168434,
            "count": 6168173,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.5415524,
            "variance": 4295.69509
          },
          {
            "average": 2.756064559,
            "count": 6168173,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.24626451,
            "variance": 1.553175228
          },
          {
            "average": 63736212.81,
            "count": 6168173,
            "maximum": 63743019.27,
            "minimum": 63678818.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 16907.35055,
            "variance": 285858502.7
          },
          {
            "average": 0,
            "count": 6168173,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6168173,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6168173,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6168173,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6168173,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8701,
          2364998.46,
          -1.68800444,
          631999.9101,
          2365998.48,
          38.21199556
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.870053774,
                2364998.460141088,
                -1.688004440128982
              ],
              [
                630999.870053774,
                2365998.4801410874,
                -1.688004440128982
              ],
              [
                631999.910053774,
                2365998.4801410874,
                38.21199555987101
              ],
              [
                631999.910053774,
                2364998.460141088,
                38.21199555987101
              ],
              [
                630999.870053774,
                2364998.460141088,
                -1.688004440128982
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:10:19+00:00",
        "end_time": "2013-09-20T02:20:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3165.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3165.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3165.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3165.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7363522,
            21.38234409,
            -1.68800444,
            -157.7266293,
            21.39145021,
            38.21199556
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7363522191238,
                  21.382417011410396,
                  -1.688004440128982
                ],
                [
                  -157.7362746885855,
                  21.391450213076254,
                  -1.688004440128982
                ],
                [
                  -157.72662930379042,
                  21.39137725513603,
                  38.21199555987101
                ],
                [
                  -157.72670742822865,
                  21.382344086819035,
                  38.21199555987101
                ],
                [
                  -157.7363522191238,
                  21.382417011410396,
                  -1.688004440128982
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3165.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3165.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:10:19Z",
            "pc:count": 6168173,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631516.9452,
                "count": 6168173,
                "maximum": 631999.9101,
                "minimum": 630999.8701,
                "name": "X",
                "position": 0,
                "stddev": 283.1058397,
                "variance": 80148.91649
              },
              {
                "average": 2365522.828,
                "count": 6168173,
                "maximum": 2365998.48,
                "minimum": 2364998.46,
                "name": "Y",
                "position": 1,
                "stddev": 283.1080525,
                "variance": 80150.16938
              },
              {
                "average": 5.365252082,
                "count": 6168173,
                "maximum": 38.21199556,
                "minimum": -1.68800444,
                "name": "Z",
                "position": 2,
                "stddev": 3.329057772,
                "variance": 11.08262565
              },
              {
                "average": 33.00750984,
                "count": 6168173,
                "maximum": 1045,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 55.62071586,
                "variance": 3093.664033
              },
              {
                "average": 1.424676318,
                "count": 6168173,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7957819073,
                "variance": 0.633268844
              },
              {
                "average": 1.855694709,
                "count": 6168173,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.180028657,
                "variance": 1.392467632
              },
              {
                "average": 1,
                "count": 6168173,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6168173,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.485348093,
                "count": 6168173,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.786501985,
                "variance": 7.764593315
              },
              {
                "average": 20.09956965,
                "count": 6168173,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.654105156,
                "variance": 7.044274182
              },
              {
                "average": 91.53168434,
                "count": 6168173,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.5415524,
                "variance": 4295.69509
              },
              {
                "average": 2.756064559,
                "count": 6168173,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.24626451,
                "variance": 1.553175228
              },
              {
                "average": 63736212.81,
                "count": 6168173,
                "maximum": 63743019.27,
                "minimum": 63678818.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 16907.35055,
                "variance": 285858502.7
              },
              {
                "average": 0,
                "count": 6168173,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6168173,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6168173,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6168173,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6168173,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8701,
              2364998.46,
              -1.68800444,
              631999.9101,
              2365998.48,
              38.21199556
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.870053774,
                    2364998.460141088,
                    -1.688004440128982
                  ],
                  [
                    630999.870053774,
                    2365998.4801410874,
                    -1.688004440128982
                  ],
                  [
                    631999.910053774,
                    2365998.4801410874,
                    38.21199555987101
                  ],
                  [
                    631999.910053774,
                    2364998.460141088,
                    38.21199555987101
                  ],
                  [
                    630999.870053774,
                    2364998.460141088,
                    -1.688004440128982
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:10:19+00:00",
            "end_time": "2013-09-20T02:20:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3366.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71698401660242,
              21.39130368607001,
              -10.390176510534413
            ],
            [
              -157.71690523624707,
              21.40033681151063,
              -10.390176510534413
            ],
            [
              -157.7072595230702,
              21.400262712589523,
              25.969823489465586
            ],
            [
              -157.70733889731568,
              21.39122962095053,
              25.969823489465586
            ],
            [
              -157.71698401660242,
              21.39130368607001,
              -10.390176510534413
            ]
          ]
        ]
      },
      "bbox": [
        -157.716984,
        21.39122962,
        -10.39017651,
        -157.7072595,
        21.40033681,
        25.96982349
      ],
      "properties": {
        "datetime": "2013-09-19T20:31:02Z",
        "pc:count": 4293028,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633499.6248,
            "count": 4293028,
            "maximum": 633999.954,
            "minimum": 632999.934,
            "name": "X",
            "position": 0,
            "stddev": 293.9943429,
            "variance": 86432.67367
          },
          {
            "average": 2366509.14,
            "count": 4293028,
            "maximum": 2366998.493,
            "minimum": 2365998.473,
            "name": "Y",
            "position": 1,
            "stddev": 295.7875833,
            "variance": 87490.29442
          },
          {
            "average": -1.628034552,
            "count": 4293028,
            "maximum": 25.96982349,
            "minimum": -10.39017651,
            "name": "Z",
            "position": 2,
            "stddev": 3.365977901,
            "variance": 11.32980723
          },
          {
            "average": 10.248454,
            "count": 4293028,
            "maximum": 7597,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 32.52626052,
            "variance": 1057.957623
          },
          {
            "average": 1.14002238,
            "count": 4293028,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4216538562,
            "variance": 0.1777919744
          },
          {
            "average": 1.289145563,
            "count": 4293028,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6260934784,
            "variance": 0.3919930437
          },
          {
            "average": 1,
            "count": 4293028,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4293028,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.25866358,
            "count": 4293028,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.290958047,
            "variance": 68.73998534
          },
          {
            "average": 20.09361618,
            "count": 4293028,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.192951461,
            "variance": 4.809036111
          },
          {
            "average": 88.79956525,
            "count": 4293028,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.63515887,
            "variance": 4849.055351
          },
          {
            "average": 5.949654649,
            "count": 4293028,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.570636691,
            "variance": 2.466899616
          },
          {
            "average": 63629558.42,
            "count": 4293028,
            "maximum": 63657862.77,
            "minimum": 63591757.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 30307.50121,
            "variance": 918544629.7
          },
          {
            "average": 0,
            "count": 4293028,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4293028,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4293028,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4293028,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4293028,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.934,
          2365998.473,
          -10.39017651,
          633999.954,
          2366998.493,
          25.96982349
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9340296427,
                2365998.473137875,
                -10.390176510534413
              ],
              [
                632999.9340296427,
                2366998.4931378746,
                -10.390176510534413
              ],
              [
                633999.9540296427,
                2366998.4931378746,
                25.969823489465586
              ],
              [
                633999.9540296427,
                2365998.473137875,
                25.969823489465586
              ],
              [
                632999.9340296427,
                2365998.473137875,
                -10.390176510534413
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:31:02+00:00",
        "end_time": "2013-09-19T02:09:17+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3366.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3366.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3366.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3366.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.716984,
            21.39122962,
            -10.39017651,
            -157.7072595,
            21.40033681,
            25.96982349
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71698401660242,
                  21.39130368607001,
                  -10.390176510534413
                ],
                [
                  -157.71690523624707,
                  21.40033681151063,
                  -10.390176510534413
                ],
                [
                  -157.7072595230702,
                  21.400262712589523,
                  25.969823489465586
                ],
                [
                  -157.70733889731568,
                  21.39122962095053,
                  25.969823489465586
                ],
                [
                  -157.71698401660242,
                  21.39130368607001,
                  -10.390176510534413
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3366.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3366.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:31:02Z",
            "pc:count": 4293028,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633499.6248,
                "count": 4293028,
                "maximum": 633999.954,
                "minimum": 632999.934,
                "name": "X",
                "position": 0,
                "stddev": 293.9943429,
                "variance": 86432.67367
              },
              {
                "average": 2366509.14,
                "count": 4293028,
                "maximum": 2366998.493,
                "minimum": 2365998.473,
                "name": "Y",
                "position": 1,
                "stddev": 295.7875833,
                "variance": 87490.29442
              },
              {
                "average": -1.628034552,
                "count": 4293028,
                "maximum": 25.96982349,
                "minimum": -10.39017651,
                "name": "Z",
                "position": 2,
                "stddev": 3.365977901,
                "variance": 11.32980723
              },
              {
                "average": 10.248454,
                "count": 4293028,
                "maximum": 7597,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 32.52626052,
                "variance": 1057.957623
              },
              {
                "average": 1.14002238,
                "count": 4293028,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4216538562,
                "variance": 0.1777919744
              },
              {
                "average": 1.289145563,
                "count": 4293028,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6260934784,
                "variance": 0.3919930437
              },
              {
                "average": 1,
                "count": 4293028,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4293028,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.25866358,
                "count": 4293028,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.290958047,
                "variance": 68.73998534
              },
              {
                "average": 20.09361618,
                "count": 4293028,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.192951461,
                "variance": 4.809036111
              },
              {
                "average": 88.79956525,
                "count": 4293028,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.63515887,
                "variance": 4849.055351
              },
              {
                "average": 5.949654649,
                "count": 4293028,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.570636691,
                "variance": 2.466899616
              },
              {
                "average": 63629558.42,
                "count": 4293028,
                "maximum": 63657862.77,
                "minimum": 63591757.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 30307.50121,
                "variance": 918544629.7
              },
              {
                "average": 0,
                "count": 4293028,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4293028,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4293028,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4293028,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4293028,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.934,
              2365998.473,
              -10.39017651,
              633999.954,
              2366998.493,
              25.96982349
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9340296427,
                    2365998.473137875,
                    -10.390176510534413
                  ],
                  [
                    632999.9340296427,
                    2366998.4931378746,
                    -10.390176510534413
                  ],
                  [
                    633999.9540296427,
                    2366998.4931378746,
                    25.969823489465586
                  ],
                  [
                    633999.9540296427,
                    2365998.473137875,
                    25.969823489465586
                  ],
                  [
                    632999.9340296427,
                    2365998.473137875,
                    -10.390176510534413
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:31:02+00:00",
            "end_time": "2013-09-19T02:09:17+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3664.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.68820962415745,
              21.37301427342645,
              -23.38265853576077
            ],
            [
              -157.6881292136566,
              21.38204713600074,
              -23.38265853576077
            ],
            [
              -157.67848482656504,
              21.381971441184188,
              -6.582658535760769
            ],
            [
              -157.67856584216423,
              21.37293861290695,
              -6.582658535760769
            ],
            [
              -157.68820962415745,
              21.37301427342645,
              -23.38265853576077
            ]
          ]
        ]
      },
      "bbox": [
        -157.6882096,
        21.37293861,
        -23.38265854,
        -157.6784848,
        21.38204714,
        -6.582658536
      ],
      "properties": {
        "datetime": "2013-09-19T19:58:22Z",
        "pc:count": 668980,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636300.508,
            "count": 668980,
            "maximum": 637000.0237,
            "minimum": 636000.0037,
            "name": "X",
            "position": 0,
            "stddev": 258.2674693,
            "variance": 66702.08568
          },
          {
            "average": 2364419.122,
            "count": 668980,
            "maximum": 2364998.491,
            "minimum": 2363998.491,
            "name": "Y",
            "position": 1,
            "stddev": 258.886454,
            "variance": 67022.19604
          },
          {
            "average": -12.68397173,
            "count": 668980,
            "maximum": -6.582658536,
            "minimum": -23.38265854,
            "name": "Z",
            "position": 2,
            "stddev": 3.261494642,
            "variance": 10.6373473
          },
          {
            "average": 65.4558776,
            "count": 668980,
            "maximum": 667,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 76.50079955,
            "variance": 5852.372333
          },
          {
            "average": 1.009387426,
            "count": 668980,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09688144847,
            "variance": 0.009386015057
          },
          {
            "average": 1.010940536,
            "count": 668980,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1046680016,
            "variance": 0.01095539055
          },
          {
            "average": 1,
            "count": 668980,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 668980,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 668980,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.09752,
            "count": 668980,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.995748527,
            "variance": 48.94049746
          },
          {
            "average": 188.2034052,
            "count": 668980,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 80.00514687,
            "variance": 6400.823526
          },
          {
            "average": 6.502810248,
            "count": 668980,
            "maximum": 8,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.050057207,
            "variance": 1.102620137
          },
          {
            "average": 63598869.34,
            "count": 668980,
            "maximum": 63655902.04,
            "minimum": 63593464.54,
            "name": "GpsTime",
            "position": 12,
            "stddev": 15995.41666,
            "variance": 255853354.2
          },
          {
            "average": 0,
            "count": 668980,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 668980,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 668980,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 668980,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 668980,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          636000.0037,
          2363998.491,
          -23.38265854,
          637000.0237,
          2364998.491,
          -6.582658536
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                636000.0036517524,
                2363998.491214712,
                -23.38265853576077
              ],
              [
                636000.0036517524,
                2364998.491214712,
                -23.38265853576077
              ],
              [
                637000.0236517524,
                2364998.491214712,
                -6.582658535760769
              ],
              [
                637000.0236517524,
                2363998.491214712,
                -6.582658535760769
              ],
              [
                636000.0036517524,
                2363998.491214712,
                -23.38265853576077
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:58:22+00:00",
        "end_time": "2013-09-19T02:37:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3664.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3664.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3664.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3664.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6882096,
            21.37293861,
            -23.38265854,
            -157.6784848,
            21.38204714,
            -6.582658536
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.68820962415745,
                  21.37301427342645,
                  -23.38265853576077
                ],
                [
                  -157.6881292136566,
                  21.38204713600074,
                  -23.38265853576077
                ],
                [
                  -157.67848482656504,
                  21.381971441184188,
                  -6.582658535760769
                ],
                [
                  -157.67856584216423,
                  21.37293861290695,
                  -6.582658535760769
                ],
                [
                  -157.68820962415745,
                  21.37301427342645,
                  -23.38265853576077
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3664.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3664.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:58:22Z",
            "pc:count": 668980,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636300.508,
                "count": 668980,
                "maximum": 637000.0237,
                "minimum": 636000.0037,
                "name": "X",
                "position": 0,
                "stddev": 258.2674693,
                "variance": 66702.08568
              },
              {
                "average": 2364419.122,
                "count": 668980,
                "maximum": 2364998.491,
                "minimum": 2363998.491,
                "name": "Y",
                "position": 1,
                "stddev": 258.886454,
                "variance": 67022.19604
              },
              {
                "average": -12.68397173,
                "count": 668980,
                "maximum": -6.582658536,
                "minimum": -23.38265854,
                "name": "Z",
                "position": 2,
                "stddev": 3.261494642,
                "variance": 10.6373473
              },
              {
                "average": 65.4558776,
                "count": 668980,
                "maximum": 667,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 76.50079955,
                "variance": 5852.372333
              },
              {
                "average": 1.009387426,
                "count": 668980,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09688144847,
                "variance": 0.009386015057
              },
              {
                "average": 1.010940536,
                "count": 668980,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1046680016,
                "variance": 0.01095539055
              },
              {
                "average": 1,
                "count": 668980,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 668980,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 668980,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.09752,
                "count": 668980,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.995748527,
                "variance": 48.94049746
              },
              {
                "average": 188.2034052,
                "count": 668980,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 80.00514687,
                "variance": 6400.823526
              },
              {
                "average": 6.502810248,
                "count": 668980,
                "maximum": 8,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.050057207,
                "variance": 1.102620137
              },
              {
                "average": 63598869.34,
                "count": 668980,
                "maximum": 63655902.04,
                "minimum": 63593464.54,
                "name": "GpsTime",
                "position": 12,
                "stddev": 15995.41666,
                "variance": 255853354.2
              },
              {
                "average": 0,
                "count": 668980,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 668980,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 668980,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 668980,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 668980,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              636000.0037,
              2363998.491,
              -23.38265854,
              637000.0237,
              2364998.491,
              -6.582658536
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    636000.0036517524,
                    2363998.491214712,
                    -23.38265853576077
                  ],
                  [
                    636000.0036517524,
                    2364998.491214712,
                    -23.38265853576077
                  ],
                  [
                    637000.0236517524,
                    2364998.491214712,
                    -6.582658535760769
                  ],
                  [
                    637000.0236517524,
                    2363998.491214712,
                    -6.582658535760769
                  ],
                  [
                    636000.0036517524,
                    2363998.491214712,
                    -23.38265853576077
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:58:22+00:00",
            "end_time": "2013-09-19T02:37:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3665.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6881292025728,
              21.382047161663294,
              -15.852434772520912
            ],
            [
              -157.68807975552212,
              21.387595321829462,
              -15.852434772520912
            ],
            [
              -157.68653527257692,
              21.387583234197397,
              -10.672434772520912
            ],
            [
              -157.6865847782175,
              21.382035077423616,
              -10.672434772520912
            ],
            [
              -157.6881292025728,
              21.382047161663294,
              -15.852434772520912
            ]
          ]
        ]
      },
      "bbox": [
        -157.6881292,
        21.38203508,
        -15.85243477,
        -157.6865353,
        21.38759532,
        -10.67243477
      ],
      "properties": {
        "datetime": "2013-09-19T02:43:19Z",
        "pc:count": 26167,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636057.1722,
            "count": 26167,
            "maximum": 636160.1448,
            "minimum": 636000.0048,
            "name": "X",
            "position": 0,
            "stddev": 40.20800082,
            "variance": 1616.68333
          },
          {
            "average": 2365073.788,
            "count": 26167,
            "maximum": 2365612.714,
            "minimum": 2364998.494,
            "name": "Y",
            "position": 1,
            "stddev": 76.81283002,
            "variance": 5900.210855
          },
          {
            "average": -12.42468837,
            "count": 26167,
            "maximum": -10.67243477,
            "minimum": -15.85243477,
            "name": "Z",
            "position": 2,
            "stddev": 0.6172531201,
            "variance": 0.3810014142
          },
          {
            "average": 30.2715252,
            "count": 26167,
            "maximum": 412,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 58.1788432,
            "variance": 3384.777796
          },
          {
            "average": 1.001146482,
            "count": 26167,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03384097449,
            "variance": 0.001145211554
          },
          {
            "average": 1.001719723,
            "count": 26167,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04143466517,
            "variance": 0.001716831478
          },
          {
            "average": 1,
            "count": 26167,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 26167,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 26167,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.31220382,
            "count": 26167,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.106084757,
            "variance": 65.70861009
          },
          {
            "average": 129.6610616,
            "count": 26167,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 79.22459793,
            "variance": 6276.536916
          },
          {
            "average": 5.909045745,
            "count": 26167,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6682182759,
            "variance": 0.4465156643
          },
          {
            "average": 63593759.59,
            "count": 26167,
            "maximum": 63593799.62,
            "minimum": 63591726.33,
            "name": "GpsTime",
            "position": 12,
            "stddev": 276.7305959,
            "variance": 76579.82271
          },
          {
            "average": 0,
            "count": 26167,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 26167,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 26167,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 26167,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 26167,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          636000.0048,
          2364998.494,
          -15.85243477,
          636160.1448,
          2365612.714,
          -10.67243477
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                636000.0047772339,
                2364998.4940651315,
                -15.852434772520912
              ],
              [
                636000.0047772339,
                2365612.7140651313,
                -15.852434772520912
              ],
              [
                636160.1447772338,
                2365612.7140651313,
                -10.672434772520912
              ],
              [
                636160.1447772338,
                2364998.4940651315,
                -10.672434772520912
              ],
              [
                636000.0047772339,
                2364998.4940651315,
                -15.852434772520912
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T02:43:19+00:00",
        "end_time": "2013-09-19T02:08:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3665.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3665.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3665.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3665.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6881292,
            21.38203508,
            -15.85243477,
            -157.6865353,
            21.38759532,
            -10.67243477
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6881292025728,
                  21.382047161663294,
                  -15.852434772520912
                ],
                [
                  -157.68807975552212,
                  21.387595321829462,
                  -15.852434772520912
                ],
                [
                  -157.68653527257692,
                  21.387583234197397,
                  -10.672434772520912
                ],
                [
                  -157.6865847782175,
                  21.382035077423616,
                  -10.672434772520912
                ],
                [
                  -157.6881292025728,
                  21.382047161663294,
                  -15.852434772520912
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3665.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3665.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T02:43:19Z",
            "pc:count": 26167,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636057.1722,
                "count": 26167,
                "maximum": 636160.1448,
                "minimum": 636000.0048,
                "name": "X",
                "position": 0,
                "stddev": 40.20800082,
                "variance": 1616.68333
              },
              {
                "average": 2365073.788,
                "count": 26167,
                "maximum": 2365612.714,
                "minimum": 2364998.494,
                "name": "Y",
                "position": 1,
                "stddev": 76.81283002,
                "variance": 5900.210855
              },
              {
                "average": -12.42468837,
                "count": 26167,
                "maximum": -10.67243477,
                "minimum": -15.85243477,
                "name": "Z",
                "position": 2,
                "stddev": 0.6172531201,
                "variance": 0.3810014142
              },
              {
                "average": 30.2715252,
                "count": 26167,
                "maximum": 412,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 58.1788432,
                "variance": 3384.777796
              },
              {
                "average": 1.001146482,
                "count": 26167,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03384097449,
                "variance": 0.001145211554
              },
              {
                "average": 1.001719723,
                "count": 26167,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04143466517,
                "variance": 0.001716831478
              },
              {
                "average": 1,
                "count": 26167,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 26167,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 26167,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.31220382,
                "count": 26167,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.106084757,
                "variance": 65.70861009
              },
              {
                "average": 129.6610616,
                "count": 26167,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 79.22459793,
                "variance": 6276.536916
              },
              {
                "average": 5.909045745,
                "count": 26167,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6682182759,
                "variance": 0.4465156643
              },
              {
                "average": 63593759.59,
                "count": 26167,
                "maximum": 63593799.62,
                "minimum": 63591726.33,
                "name": "GpsTime",
                "position": 12,
                "stddev": 276.7305959,
                "variance": 76579.82271
              },
              {
                "average": 0,
                "count": 26167,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 26167,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 26167,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 26167,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 26167,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              636000.0048,
              2364998.494,
              -15.85243477,
              636160.1448,
              2365612.714,
              -10.67243477
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    636000.0047772339,
                    2364998.4940651315,
                    -15.852434772520912
                  ],
                  [
                    636000.0047772339,
                    2365612.7140651313,
                    -15.852434772520912
                  ],
                  [
                    636160.1447772338,
                    2365612.7140651313,
                    -10.672434772520912
                  ],
                  [
                    636160.1447772338,
                    2364998.4940651315,
                    -10.672434772520912
                  ],
                  [
                    636000.0047772339,
                    2364998.4940651315,
                    -15.852434772520912
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T02:43:19+00:00",
            "end_time": "2013-09-19T02:08:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3751.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.67956658653358,
              21.26108084781218,
              -59.304335426213505
            ],
            [
              -157.6795357052989,
              21.26454372286142,
              -59.304335426213505
            ],
            [
              -157.6725409794953,
              21.26448876401524,
              -39.92433542621351
            ],
            [
              -157.67257202414189,
              21.261025898762156,
              -39.92433542621351
            ],
            [
              -157.67956658653358,
              21.26108084781218,
              -59.304335426213505
            ]
          ]
        ]
      },
      "bbox": [
        -157.6795666,
        21.2610259,
        -59.30433543,
        -157.672541,
        21.26454372,
        -39.92433543
      ],
      "properties": {
        "datetime": "2013-09-11T01:21:20Z",
        "pc:count": 213407,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637236.4833,
            "count": 213407,
            "maximum": 637725.8774,
            "minimum": 637000.0174,
            "name": "X",
            "position": 0,
            "stddev": 161.6590223,
            "variance": 26133.63948
          },
          {
            "average": 2351861.453,
            "count": 213407,
            "maximum": 2351998.476,
            "minimum": 2351615.116,
            "name": "Y",
            "position": 1,
            "stddev": 82.92686841,
            "variance": 6876.865505
          },
          {
            "average": -43.26141369,
            "count": 213407,
            "maximum": -39.92433543,
            "minimum": -59.30433543,
            "name": "Z",
            "position": 2,
            "stddev": 2.146914937,
            "variance": 4.609243745
          },
          {
            "average": 4987.426771,
            "count": 213407,
            "maximum": 8996,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1364.964617,
            "variance": 1863128.406
          },
          {
            "average": 1.002450716,
            "count": 213407,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04944412688,
            "variance": 0.002444721683
          },
          {
            "average": 1.002460088,
            "count": 213407,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0495383434,
            "variance": 0.002454047467
          },
          {
            "average": 1,
            "count": 213407,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 213407,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 213407,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.70334681,
            "count": 213407,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.01595732,
            "variance": 100.3194011
          },
          {
            "average": 249.0209506,
            "count": 213407,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1443598305,
            "variance": 0.02083976067
          },
          {
            "average": 4.999592328,
            "count": 213407,
            "maximum": 6,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.6343441151,
            "variance": 0.4023924563
          },
          {
            "average": 62897319.23,
            "count": 213407,
            "maximum": 62897680.45,
            "minimum": 62896632.52,
            "name": "GpsTime",
            "position": 12,
            "stddev": 225.7622839,
            "variance": 50968.60881
          },
          {
            "average": 0,
            "count": 213407,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 213407,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 213407,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 213407,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 213407,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.0174,
          2351615.116,
          -59.30433543,
          637725.8774,
          2351998.476,
          -39.92433543
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0173890918,
                2351615.116015848,
                -59.304335426213505
              ],
              [
                637000.0173890918,
                2351998.476015848,
                -59.304335426213505
              ],
              [
                637725.8773890919,
                2351998.476015848,
                -39.92433542621351
              ],
              [
                637725.8773890919,
                2351615.116015848,
                -39.92433542621351
              ],
              [
                637000.0173890918,
                2351615.116015848,
                -59.304335426213505
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T01:21:20+00:00",
        "end_time": "2013-09-11T01:03:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3751.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3751.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3751.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3751.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6795666,
            21.2610259,
            -59.30433543,
            -157.672541,
            21.26454372,
            -39.92433543
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.67956658653358,
                  21.26108084781218,
                  -59.304335426213505
                ],
                [
                  -157.6795357052989,
                  21.26454372286142,
                  -59.304335426213505
                ],
                [
                  -157.6725409794953,
                  21.26448876401524,
                  -39.92433542621351
                ],
                [
                  -157.67257202414189,
                  21.261025898762156,
                  -39.92433542621351
                ],
                [
                  -157.67956658653358,
                  21.26108084781218,
                  -59.304335426213505
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3751.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3751.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T01:21:20Z",
            "pc:count": 213407,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637236.4833,
                "count": 213407,
                "maximum": 637725.8774,
                "minimum": 637000.0174,
                "name": "X",
                "position": 0,
                "stddev": 161.6590223,
                "variance": 26133.63948
              },
              {
                "average": 2351861.453,
                "count": 213407,
                "maximum": 2351998.476,
                "minimum": 2351615.116,
                "name": "Y",
                "position": 1,
                "stddev": 82.92686841,
                "variance": 6876.865505
              },
              {
                "average": -43.26141369,
                "count": 213407,
                "maximum": -39.92433543,
                "minimum": -59.30433543,
                "name": "Z",
                "position": 2,
                "stddev": 2.146914937,
                "variance": 4.609243745
              },
              {
                "average": 4987.426771,
                "count": 213407,
                "maximum": 8996,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1364.964617,
                "variance": 1863128.406
              },
              {
                "average": 1.002450716,
                "count": 213407,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04944412688,
                "variance": 0.002444721683
              },
              {
                "average": 1.002460088,
                "count": 213407,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0495383434,
                "variance": 0.002454047467
              },
              {
                "average": 1,
                "count": 213407,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 213407,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 213407,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.70334681,
                "count": 213407,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.01595732,
                "variance": 100.3194011
              },
              {
                "average": 249.0209506,
                "count": 213407,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1443598305,
                "variance": 0.02083976067
              },
              {
                "average": 4.999592328,
                "count": 213407,
                "maximum": 6,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.6343441151,
                "variance": 0.4023924563
              },
              {
                "average": 62897319.23,
                "count": 213407,
                "maximum": 62897680.45,
                "minimum": 62896632.52,
                "name": "GpsTime",
                "position": 12,
                "stddev": 225.7622839,
                "variance": 50968.60881
              },
              {
                "average": 0,
                "count": 213407,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 213407,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 213407,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 213407,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 213407,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.0174,
              2351615.116,
              -59.30433543,
              637725.8774,
              2351998.476,
              -39.92433543
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0173890918,
                    2351615.116015848,
                    -59.304335426213505
                  ],
                  [
                    637000.0173890918,
                    2351998.476015848,
                    -59.304335426213505
                  ],
                  [
                    637725.8773890919,
                    2351998.476015848,
                    -39.92433542621351
                  ],
                  [
                    637725.8773890919,
                    2351615.116015848,
                    -39.92433542621351
                  ],
                  [
                    637000.0173890918,
                    2351615.116015848,
                    -59.304335426213505
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T01:21:20+00:00",
            "end_time": "2013-09-11T01:03:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3752.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.67953562279277,
              21.26454365599447,
              -46.589004424146346
            ],
            [
              -157.67945503787362,
              21.27357678830519,
              -46.589004424146346
            ],
            [
              -157.66981779632127,
              21.273500960686786,
              -30.60900442414634
            ],
            [
              -157.6698989687241,
              21.2644678636086,
              -30.60900442414634
            ],
            [
              -157.67953562279277,
              21.26454365599447,
              -46.589004424146346
            ]
          ]
        ]
      },
      "bbox": [
        -157.6795356,
        21.26446786,
        -46.58900442,
        -157.6698178,
        21.27357679,
        -30.60900442
      ],
      "properties": {
        "datetime": "2013-09-22T18:12:33Z",
        "pc:count": 1596363,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637447.3659,
            "count": 1596363,
            "maximum": 638000.046,
            "minimum": 637000.026,
            "name": "X",
            "position": 0,
            "stddev": 269.5357237,
            "variance": 72649.50634
          },
          {
            "average": 2352543.138,
            "count": 1596363,
            "maximum": 2352998.489,
            "minimum": 2351998.469,
            "name": "Y",
            "position": 1,
            "stddev": 262.7521991,
            "variance": 69038.71813
          },
          {
            "average": -37.80933992,
            "count": 1596363,
            "maximum": -30.60900442,
            "minimum": -46.58900442,
            "name": "Z",
            "position": 2,
            "stddev": 2.42020367,
            "variance": 5.857385806
          },
          {
            "average": 3089.151777,
            "count": 1596363,
            "maximum": 8906,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1102.321563,
            "variance": 1215112.829
          },
          {
            "average": 1.002173691,
            "count": 1596363,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04665280902,
            "variance": 0.002176484589
          },
          {
            "average": 1.00227893,
            "count": 1596363,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04776248828,
            "variance": 0.002281255286
          },
          {
            "average": 1,
            "count": 1596363,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1596363,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1596363,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.34793055,
            "count": 1596363,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.135202547,
            "variance": 83.45192557
          },
          {
            "average": 249.0161248,
            "count": 1596363,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1267833026,
            "variance": 0.01607400582
          },
          {
            "average": 7.854779897,
            "count": 1596363,
            "maximum": 18,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.067234634,
            "variance": 25.67686684
          },
          {
            "average": 63223046.96,
            "count": 1596363,
            "maximum": 63908753.27,
            "minimum": 62897315.17,
            "name": "GpsTime",
            "position": 12,
            "stddev": 400869.9947,
            "variance": 160696752600.0
          },
          {
            "average": 0,
            "count": 1596363,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1596363,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1596363,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1596363,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1596363,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.026,
          2351998.469,
          -46.58900442,
          638000.046,
          2352998.489,
          -30.60900442
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0260122282,
                2351998.468685383,
                -46.589004424146346
              ],
              [
                637000.0260122282,
                2352998.4886853825,
                -46.589004424146346
              ],
              [
                638000.0460122282,
                2352998.4886853825,
                -30.60900442414634
              ],
              [
                638000.0460122282,
                2351998.468685383,
                -30.60900442414634
              ],
              [
                637000.0260122282,
                2351998.468685383,
                -46.589004424146346
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:12:33+00:00",
        "end_time": "2013-09-11T01:15:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3752.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3752.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3752.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3752.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6795356,
            21.26446786,
            -46.58900442,
            -157.6698178,
            21.27357679,
            -30.60900442
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.67953562279277,
                  21.26454365599447,
                  -46.589004424146346
                ],
                [
                  -157.67945503787362,
                  21.27357678830519,
                  -46.589004424146346
                ],
                [
                  -157.66981779632127,
                  21.273500960686786,
                  -30.60900442414634
                ],
                [
                  -157.6698989687241,
                  21.2644678636086,
                  -30.60900442414634
                ],
                [
                  -157.67953562279277,
                  21.26454365599447,
                  -46.589004424146346
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3752.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3752.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:12:33Z",
            "pc:count": 1596363,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637447.3659,
                "count": 1596363,
                "maximum": 638000.046,
                "minimum": 637000.026,
                "name": "X",
                "position": 0,
                "stddev": 269.5357237,
                "variance": 72649.50634
              },
              {
                "average": 2352543.138,
                "count": 1596363,
                "maximum": 2352998.489,
                "minimum": 2351998.469,
                "name": "Y",
                "position": 1,
                "stddev": 262.7521991,
                "variance": 69038.71813
              },
              {
                "average": -37.80933992,
                "count": 1596363,
                "maximum": -30.60900442,
                "minimum": -46.58900442,
                "name": "Z",
                "position": 2,
                "stddev": 2.42020367,
                "variance": 5.857385806
              },
              {
                "average": 3089.151777,
                "count": 1596363,
                "maximum": 8906,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1102.321563,
                "variance": 1215112.829
              },
              {
                "average": 1.002173691,
                "count": 1596363,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04665280902,
                "variance": 0.002176484589
              },
              {
                "average": 1.00227893,
                "count": 1596363,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04776248828,
                "variance": 0.002281255286
              },
              {
                "average": 1,
                "count": 1596363,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1596363,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1596363,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.34793055,
                "count": 1596363,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.135202547,
                "variance": 83.45192557
              },
              {
                "average": 249.0161248,
                "count": 1596363,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1267833026,
                "variance": 0.01607400582
              },
              {
                "average": 7.854779897,
                "count": 1596363,
                "maximum": 18,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.067234634,
                "variance": 25.67686684
              },
              {
                "average": 63223046.96,
                "count": 1596363,
                "maximum": 63908753.27,
                "minimum": 62897315.17,
                "name": "GpsTime",
                "position": 12,
                "stddev": 400869.9947,
                "variance": 160696752600.0
              },
              {
                "average": 0,
                "count": 1596363,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1596363,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1596363,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1596363,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1596363,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.026,
              2351998.469,
              -46.58900442,
              638000.046,
              2352998.489,
              -30.60900442
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0260122282,
                    2351998.468685383,
                    -46.589004424146346
                  ],
                  [
                    637000.0260122282,
                    2352998.4886853825,
                    -46.589004424146346
                  ],
                  [
                    638000.0460122282,
                    2352998.4886853825,
                    -30.60900442414634
                  ],
                  [
                    638000.0460122282,
                    2351998.468685383,
                    -30.60900442414634
                  ],
                  [
                    637000.0260122282,
                    2351998.468685383,
                    -46.589004424146346
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:12:33+00:00",
            "end_time": "2013-09-11T01:15:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2851.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7663430951819,
              21.256167421860585,
              -19.772011257966543
            ],
            [
              -157.76626783997662,
              21.265200690070948,
              -19.772011257966543
            ],
            [
              -157.75663081310486,
              21.265129855881614,
              -7.612011257966543
            ],
            [
              -157.75670665571445,
              21.256096620706142,
              -7.612011257966543
            ],
            [
              -157.7663430951819,
              21.256167421860585,
              -19.772011257966543
            ]
          ]
        ]
      },
      "bbox": [
        -157.7663431,
        21.25609662,
        -19.77201126,
        -157.7566308,
        21.26520069,
        -7.612011258
      ],
      "properties": {
        "datetime": "2013-09-22T20:16:33Z",
        "pc:count": 12044405,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628453.6931,
            "count": 12044405,
            "maximum": 628999.8203,
            "minimum": 627999.8003,
            "name": "X",
            "position": 0,
            "stddev": 278.6488159,
            "variance": 77645.1626
          },
          {
            "average": 2351642.829,
            "count": 12044405,
            "maximum": 2351998.434,
            "minimum": 2350998.434,
            "name": "Y",
            "position": 1,
            "stddev": 268.7902419,
            "variance": 72248.19416
          },
          {
            "average": -13.50138575,
            "count": 12044405,
            "maximum": -7.612011258,
            "minimum": -19.77201126,
            "name": "Z",
            "position": 2,
            "stddev": 2.096550928,
            "variance": 4.395525795
          },
          {
            "average": 78.57632295,
            "count": 12044405,
            "maximum": 7616,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 157.9490552,
            "variance": 24947.90403
          },
          {
            "average": 1.001251203,
            "count": 12044405,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03570543223,
            "variance": 0.001274877891
          },
          {
            "average": 1.002150376,
            "count": 12044405,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.04663309118,
            "variance": 0.002174645193
          },
          {
            "average": 1,
            "count": 12044405,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12044405,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 12044405,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.06076268,
            "count": 12044405,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.600780464,
            "variance": 21.16718088
          },
          {
            "average": 105.9020754,
            "count": 12044405,
            "maximum": 254,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 75.61724992,
            "variance": 5717.968485
          },
          {
            "average": 8.3403626,
            "count": 12044405,
            "maximum": 21,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.59076134,
            "variance": 21.07508968
          },
          {
            "average": 63623108.01,
            "count": 12044405,
            "maximum": 63916193.57,
            "minimum": 63378224.22,
            "name": "GpsTime",
            "position": 12,
            "stddev": 266747.9465,
            "variance": 71154466940.0
          },
          {
            "average": 0,
            "count": 12044405,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12044405,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12044405,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12044405,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12044405,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.8003,
          2350998.434,
          -19.77201126,
          628999.8203,
          2351998.434,
          -7.612011258
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8002684156,
                2350998.4343684334,
                -19.772011257966543
              ],
              [
                627999.8002684156,
                2351998.4343684334,
                -19.772011257966543
              ],
              [
                628999.8202684156,
                2351998.4343684334,
                -7.612011257966543
              ],
              [
                628999.8202684156,
                2350998.4343684334,
                -7.612011257966543
              ],
              [
                627999.8002684156,
                2350998.4343684334,
                -19.772011257966543
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:16:33+00:00",
        "end_time": "2013-09-16T14:50:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2851.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2851.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2851.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2851.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7663431,
            21.25609662,
            -19.77201126,
            -157.7566308,
            21.26520069,
            -7.612011258
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7663430951819,
                  21.256167421860585,
                  -19.772011257966543
                ],
                [
                  -157.76626783997662,
                  21.265200690070948,
                  -19.772011257966543
                ],
                [
                  -157.75663081310486,
                  21.265129855881614,
                  -7.612011257966543
                ],
                [
                  -157.75670665571445,
                  21.256096620706142,
                  -7.612011257966543
                ],
                [
                  -157.7663430951819,
                  21.256167421860585,
                  -19.772011257966543
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2851.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2851.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:16:33Z",
            "pc:count": 12044405,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628453.6931,
                "count": 12044405,
                "maximum": 628999.8203,
                "minimum": 627999.8003,
                "name": "X",
                "position": 0,
                "stddev": 278.6488159,
                "variance": 77645.1626
              },
              {
                "average": 2351642.829,
                "count": 12044405,
                "maximum": 2351998.434,
                "minimum": 2350998.434,
                "name": "Y",
                "position": 1,
                "stddev": 268.7902419,
                "variance": 72248.19416
              },
              {
                "average": -13.50138575,
                "count": 12044405,
                "maximum": -7.612011258,
                "minimum": -19.77201126,
                "name": "Z",
                "position": 2,
                "stddev": 2.096550928,
                "variance": 4.395525795
              },
              {
                "average": 78.57632295,
                "count": 12044405,
                "maximum": 7616,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 157.9490552,
                "variance": 24947.90403
              },
              {
                "average": 1.001251203,
                "count": 12044405,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03570543223,
                "variance": 0.001274877891
              },
              {
                "average": 1.002150376,
                "count": 12044405,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.04663309118,
                "variance": 0.002174645193
              },
              {
                "average": 1,
                "count": 12044405,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12044405,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 12044405,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.06076268,
                "count": 12044405,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.600780464,
                "variance": 21.16718088
              },
              {
                "average": 105.9020754,
                "count": 12044405,
                "maximum": 254,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 75.61724992,
                "variance": 5717.968485
              },
              {
                "average": 8.3403626,
                "count": 12044405,
                "maximum": 21,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.59076134,
                "variance": 21.07508968
              },
              {
                "average": 63623108.01,
                "count": 12044405,
                "maximum": 63916193.57,
                "minimum": 63378224.22,
                "name": "GpsTime",
                "position": 12,
                "stddev": 266747.9465,
                "variance": 71154466940.0
              },
              {
                "average": 0,
                "count": 12044405,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12044405,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12044405,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12044405,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12044405,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.8003,
              2350998.434,
              -19.77201126,
              628999.8203,
              2351998.434,
              -7.612011258
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8002684156,
                    2350998.4343684334,
                    -19.772011257966543
                  ],
                  [
                    627999.8002684156,
                    2351998.4343684334,
                    -19.772011257966543
                  ],
                  [
                    628999.8202684156,
                    2351998.4343684334,
                    -7.612011257966543
                  ],
                  [
                    628999.8202684156,
                    2350998.4343684334,
                    -7.612011257966543
                  ],
                  [
                    627999.8002684156,
                    2350998.4343684334,
                    -19.772011257966543
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:16:33+00:00",
            "end_time": "2013-09-16T14:50:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3367.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71690529688354,
              21.400336578871688,
              -12.72443098935929
            ],
            [
              -157.71682646607468,
              21.409369513366165,
              -12.72443098935929
            ],
            [
              -157.7071801605878,
              21.40929538060119,
              -0.28443098935929
            ],
            [
              -157.7072595837218,
              21.400262479954822,
              -0.28443098935929
            ],
            [
              -157.71690529688354,
              21.400336578871688,
              -12.72443098935929
            ]
          ]
        ]
      },
      "bbox": [
        -157.7169053,
        21.40026248,
        -12.72443099,
        -157.7071802,
        21.40936951,
        -0.2844309894
      ],
      "properties": {
        "datetime": "2013-09-19T19:44:48Z",
        "pc:count": 2187867,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633347.342,
            "count": 2187867,
            "maximum": 633999.948,
            "minimum": 632999.928,
            "name": "X",
            "position": 0,
            "stddev": 247.3970445,
            "variance": 61205.2976
          },
          {
            "average": 2367285.56,
            "count": 2187867,
            "maximum": 2367998.467,
            "minimum": 2366998.467,
            "name": "Y",
            "position": 1,
            "stddev": 210.794143,
            "variance": 44434.17072
          },
          {
            "average": -5.900226086,
            "count": 2187867,
            "maximum": -0.2844309894,
            "minimum": -12.72443099,
            "name": "Z",
            "position": 2,
            "stddev": 2.089438083,
            "variance": 4.365751504
          },
          {
            "average": 8.051543352,
            "count": 2187867,
            "maximum": 217,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.83991937,
            "variance": 393.6224008
          },
          {
            "average": 1.097029207,
            "count": 2187867,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3027549036,
            "variance": 0.09166053165
          },
          {
            "average": 1.207735662,
            "count": 2187867,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4221032217,
            "variance": 0.1781711298
          },
          {
            "average": 1,
            "count": 2187867,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2187867,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2187867,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.74548813,
            "count": 2187867,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.859158159,
            "variance": 8.174785378
          },
          {
            "average": 107.5184812,
            "count": 2187867,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 75.06266068,
            "variance": 5634.403029
          },
          {
            "average": 5.672662918,
            "count": 2187867,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.355780423,
            "variance": 5.549701399
          },
          {
            "average": 63595485.5,
            "count": 2187867,
            "maximum": 63655088.06,
            "minimum": 63591758.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 9775.020268,
            "variance": 95551021.24
          },
          {
            "average": 0,
            "count": 2187867,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2187867,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2187867,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2187867,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2187867,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.928,
          2366998.467,
          -12.72443099,
          633999.948,
          2367998.467,
          -0.2844309894
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9279539848,
                2366998.4673337117,
                -12.72443098935929
              ],
              [
                632999.9279539848,
                2367998.4673337117,
                -12.72443098935929
              ],
              [
                633999.9479539848,
                2367998.4673337117,
                -0.28443098935929
              ],
              [
                633999.9479539848,
                2366998.4673337117,
                -0.28443098935929
              ],
              [
                632999.9279539848,
                2366998.4673337117,
                -12.72443098935929
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:44:48+00:00",
        "end_time": "2013-09-19T02:09:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3367.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3367.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3367.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3367.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7169053,
            21.40026248,
            -12.72443099,
            -157.7071802,
            21.40936951,
            -0.2844309894
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71690529688354,
                  21.400336578871688,
                  -12.72443098935929
                ],
                [
                  -157.71682646607468,
                  21.409369513366165,
                  -12.72443098935929
                ],
                [
                  -157.7071801605878,
                  21.40929538060119,
                  -0.28443098935929
                ],
                [
                  -157.7072595837218,
                  21.400262479954822,
                  -0.28443098935929
                ],
                [
                  -157.71690529688354,
                  21.400336578871688,
                  -12.72443098935929
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3367.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3367.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:44:48Z",
            "pc:count": 2187867,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633347.342,
                "count": 2187867,
                "maximum": 633999.948,
                "minimum": 632999.928,
                "name": "X",
                "position": 0,
                "stddev": 247.3970445,
                "variance": 61205.2976
              },
              {
                "average": 2367285.56,
                "count": 2187867,
                "maximum": 2367998.467,
                "minimum": 2366998.467,
                "name": "Y",
                "position": 1,
                "stddev": 210.794143,
                "variance": 44434.17072
              },
              {
                "average": -5.900226086,
                "count": 2187867,
                "maximum": -0.2844309894,
                "minimum": -12.72443099,
                "name": "Z",
                "position": 2,
                "stddev": 2.089438083,
                "variance": 4.365751504
              },
              {
                "average": 8.051543352,
                "count": 2187867,
                "maximum": 217,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.83991937,
                "variance": 393.6224008
              },
              {
                "average": 1.097029207,
                "count": 2187867,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3027549036,
                "variance": 0.09166053165
              },
              {
                "average": 1.207735662,
                "count": 2187867,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4221032217,
                "variance": 0.1781711298
              },
              {
                "average": 1,
                "count": 2187867,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2187867,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2187867,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.74548813,
                "count": 2187867,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.859158159,
                "variance": 8.174785378
              },
              {
                "average": 107.5184812,
                "count": 2187867,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 75.06266068,
                "variance": 5634.403029
              },
              {
                "average": 5.672662918,
                "count": 2187867,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.355780423,
                "variance": 5.549701399
              },
              {
                "average": 63595485.5,
                "count": 2187867,
                "maximum": 63655088.06,
                "minimum": 63591758.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 9775.020268,
                "variance": 95551021.24
              },
              {
                "average": 0,
                "count": 2187867,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2187867,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2187867,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2187867,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2187867,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.928,
              2366998.467,
              -12.72443099,
              633999.948,
              2367998.467,
              -0.2844309894
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9279539848,
                    2366998.4673337117,
                    -12.72443098935929
                  ],
                  [
                    632999.9279539848,
                    2367998.4673337117,
                    -12.72443098935929
                  ],
                  [
                    633999.9479539848,
                    2367998.4673337117,
                    -0.28443098935929
                  ],
                  [
                    633999.9479539848,
                    2366998.4673337117,
                    -0.28443098935929
                  ],
                  [
                    632999.9279539848,
                    2366998.4673337117,
                    -12.72443098935929
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:44:48+00:00",
            "end_time": "2013-09-19T02:09:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3368.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71682642513628,
              21.409369838794795,
              -11.152481155664347
            ],
            [
              -157.71680830562147,
              21.411445244370256,
              -11.152481155664347
            ],
            [
              -157.71496509703653,
              21.411431120798156,
              -8.412481155664349
            ],
            [
              -157.71498324250476,
              21.409355716705452,
              -8.412481155664349
            ],
            [
              -157.71682642513628,
              21.409369838794795,
              -11.152481155664347
            ]
          ]
        ]
      },
      "bbox": [
        -157.7168264,
        21.40935572,
        -11.15248116,
        -157.7149651,
        21.41144524,
        -8.412481156
      ],
      "properties": {
        "datetime": "2013-09-19T02:09:45Z",
        "pc:count": 13926,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633078.0832,
            "count": 13926,
            "maximum": 633191.0119,
            "minimum": 632999.9319,
            "name": "X",
            "position": 0,
            "stddev": 50.86284448,
            "variance": 2587.028948
          },
          {
            "average": 2368089.466,
            "count": 13926,
            "maximum": 2368228.263,
            "minimum": 2367998.503,
            "name": "Y",
            "position": 1,
            "stddev": 60.09593847,
            "variance": 3611.52182
          },
          {
            "average": -10.01040949,
            "count": 13926,
            "maximum": -8.412481156,
            "minimum": -11.15248116,
            "name": "Z",
            "position": 2,
            "stddev": 0.5022995117,
            "variance": 0.2523047995
          },
          {
            "average": 18.13234238,
            "count": 13926,
            "maximum": 50,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.46370031,
            "variance": 340.9082293
          },
          {
            "average": 1.009622289,
            "count": 13926,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09762369155,
            "variance": 0.009530385152
          },
          {
            "average": 1.009622289,
            "count": 13926,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09762369155,
            "variance": 0.009530385152
          },
          {
            "average": 1,
            "count": 13926,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13926,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 13926,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.42138133,
            "count": 13926,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.088153455,
            "variance": 4.360384853
          },
          {
            "average": 249.1777969,
            "count": 13926,
            "maximum": 251,
            "minimum": 94,
            "name": "UserData",
            "position": 10,
            "stddev": 6.845857492,
            "variance": 46.8657648
          },
          {
            "average": 1,
            "count": 13926,
            "maximum": 1,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63591782.08,
            "count": 13926,
            "maximum": 63591785.11,
            "minimum": 63591778.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.620038619,
            "variance": 2.624525128
          },
          {
            "average": 0,
            "count": 13926,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13926,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13926,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13926,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13926,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9319,
          2367998.503,
          -11.15248116,
          633191.0119,
          2368228.263,
          -8.412481156
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9319032214,
                2367998.503392921,
                -11.152481155664347
              ],
              [
                632999.9319032214,
                2368228.2633929206,
                -11.152481155664347
              ],
              [
                633191.0119032215,
                2368228.2633929206,
                -8.412481155664349
              ],
              [
                633191.0119032215,
                2367998.503392921,
                -8.412481155664349
              ],
              [
                632999.9319032214,
                2367998.503392921,
                -11.152481155664347
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T02:09:45+00:00",
        "end_time": "2013-09-19T02:09:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3368.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3368.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3368.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3368.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7168264,
            21.40935572,
            -11.15248116,
            -157.7149651,
            21.41144524,
            -8.412481156
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71682642513628,
                  21.409369838794795,
                  -11.152481155664347
                ],
                [
                  -157.71680830562147,
                  21.411445244370256,
                  -11.152481155664347
                ],
                [
                  -157.71496509703653,
                  21.411431120798156,
                  -8.412481155664349
                ],
                [
                  -157.71498324250476,
                  21.409355716705452,
                  -8.412481155664349
                ],
                [
                  -157.71682642513628,
                  21.409369838794795,
                  -11.152481155664347
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3368.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3368.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T02:09:45Z",
            "pc:count": 13926,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633078.0832,
                "count": 13926,
                "maximum": 633191.0119,
                "minimum": 632999.9319,
                "name": "X",
                "position": 0,
                "stddev": 50.86284448,
                "variance": 2587.028948
              },
              {
                "average": 2368089.466,
                "count": 13926,
                "maximum": 2368228.263,
                "minimum": 2367998.503,
                "name": "Y",
                "position": 1,
                "stddev": 60.09593847,
                "variance": 3611.52182
              },
              {
                "average": -10.01040949,
                "count": 13926,
                "maximum": -8.412481156,
                "minimum": -11.15248116,
                "name": "Z",
                "position": 2,
                "stddev": 0.5022995117,
                "variance": 0.2523047995
              },
              {
                "average": 18.13234238,
                "count": 13926,
                "maximum": 50,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.46370031,
                "variance": 340.9082293
              },
              {
                "average": 1.009622289,
                "count": 13926,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09762369155,
                "variance": 0.009530385152
              },
              {
                "average": 1.009622289,
                "count": 13926,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09762369155,
                "variance": 0.009530385152
              },
              {
                "average": 1,
                "count": 13926,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13926,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 13926,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.42138133,
                "count": 13926,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.088153455,
                "variance": 4.360384853
              },
              {
                "average": 249.1777969,
                "count": 13926,
                "maximum": 251,
                "minimum": 94,
                "name": "UserData",
                "position": 10,
                "stddev": 6.845857492,
                "variance": 46.8657648
              },
              {
                "average": 1,
                "count": 13926,
                "maximum": 1,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63591782.08,
                "count": 13926,
                "maximum": 63591785.11,
                "minimum": 63591778.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.620038619,
                "variance": 2.624525128
              },
              {
                "average": 0,
                "count": 13926,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13926,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13926,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13926,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13926,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9319,
              2367998.503,
              -11.15248116,
              633191.0119,
              2368228.263,
              -8.412481156
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9319032214,
                    2367998.503392921,
                    -11.152481155664347
                  ],
                  [
                    632999.9319032214,
                    2368228.2633929206,
                    -11.152481155664347
                  ],
                  [
                    633191.0119032215,
                    2368228.2633929206,
                    -8.412481155664349
                  ],
                  [
                    633191.0119032215,
                    2367998.503392921,
                    -8.412481155664349
                  ],
                  [
                    632999.9319032214,
                    2367998.503392921,
                    -11.152481155664347
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T02:09:45+00:00",
            "end_time": "2013-09-19T02:09:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3753.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.67945512350175,
              21.273576753060787,
              -35.95187297569311
            ],
            [
              -157.6793745052327,
              21.282609693723316,
              -35.95187297569311
            ],
            [
              -157.6697364830388,
              21.282533829558318,
              78.5481270243069
            ],
            [
              -157.66981768921073,
              21.273500923925383,
              78.5481270243069
            ],
            [
              -157.67945512350175,
              21.273576753060787,
              -35.95187297569311
            ]
          ]
        ]
      },
      "bbox": [
        -157.6794551,
        21.27350092,
        -35.95187298,
        -157.6697365,
        21.28260969,
        78.54812702
      ],
      "properties": {
        "datetime": "2013-09-22T19:56:22Z",
        "pc:count": 3613881,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637464.8858,
            "count": 3613881,
            "maximum": 638000.0572,
            "minimum": 637000.0172,
            "name": "X",
            "position": 0,
            "stddev": 285.83217,
            "variance": 81700.0294
          },
          {
            "average": 2353706.294,
            "count": 3613881,
            "maximum": 2353998.485,
            "minimum": 2352998.485,
            "name": "Y",
            "position": 1,
            "stddev": 264.8541663,
            "variance": 70147.72942
          },
          {
            "average": -8.404799835,
            "count": 3613881,
            "maximum": 78.54812702,
            "minimum": -35.95187298,
            "name": "Z",
            "position": 2,
            "stddev": 20.07789845,
            "variance": 403.1220063
          },
          {
            "average": 435.4159542,
            "count": 3613881,
            "maximum": 7957,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 750.8110483,
            "variance": 563717.2303
          },
          {
            "average": 1.048832543,
            "count": 3613881,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2623694434,
            "variance": 0.06883772481
          },
          {
            "average": 1.096225637,
            "count": 3613881,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3978507288,
            "variance": 0.1582852024
          },
          {
            "average": 1,
            "count": 3613881,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3613881,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 23.42427269,
            "count": 3613881,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.14164213,
            "variance": 124.1361894
          },
          {
            "average": 18.17639795,
            "count": 3613881,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.786272614,
            "variance": 33.48095076
          },
          {
            "average": 139.5978719,
            "count": 3613881,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 89.67817028,
            "variance": 8042.174224
          },
          {
            "average": 16.73228504,
            "count": 3613881,
            "maximum": 22,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.354594222,
            "variance": 11.25330239
          },
          {
            "average": 63541870.08,
            "count": 3613881,
            "maximum": 63914982.32,
            "minimum": 63382982.18,
            "name": "GpsTime",
            "position": 12,
            "stddev": 242233.5154,
            "variance": 58677075970.0
          },
          {
            "average": 0,
            "count": 3613881,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3613881,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3613881,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3613881,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3613881,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.0172,
          2352998.485,
          -35.95187298,
          638000.0572,
          2353998.485,
          78.54812702
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0171601998,
                2352998.484709585,
                -35.95187297569311
              ],
              [
                637000.0171601998,
                2353998.484709585,
                -35.95187297569311
              ],
              [
                638000.0571601999,
                2353998.484709585,
                78.5481270243069
              ],
              [
                638000.0571601999,
                2352998.484709585,
                78.5481270243069
              ],
              [
                637000.0171601998,
                2352998.484709585,
                -35.95187297569311
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:56:22+00:00",
        "end_time": "2013-09-16T16:09:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3753.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3753.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3753.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3753.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6794551,
            21.27350092,
            -35.95187298,
            -157.6697365,
            21.28260969,
            78.54812702
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.67945512350175,
                  21.273576753060787,
                  -35.95187297569311
                ],
                [
                  -157.6793745052327,
                  21.282609693723316,
                  -35.95187297569311
                ],
                [
                  -157.6697364830388,
                  21.282533829558318,
                  78.5481270243069
                ],
                [
                  -157.66981768921073,
                  21.273500923925383,
                  78.5481270243069
                ],
                [
                  -157.67945512350175,
                  21.273576753060787,
                  -35.95187297569311
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3753.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3753.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:56:22Z",
            "pc:count": 3613881,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637464.8858,
                "count": 3613881,
                "maximum": 638000.0572,
                "minimum": 637000.0172,
                "name": "X",
                "position": 0,
                "stddev": 285.83217,
                "variance": 81700.0294
              },
              {
                "average": 2353706.294,
                "count": 3613881,
                "maximum": 2353998.485,
                "minimum": 2352998.485,
                "name": "Y",
                "position": 1,
                "stddev": 264.8541663,
                "variance": 70147.72942
              },
              {
                "average": -8.404799835,
                "count": 3613881,
                "maximum": 78.54812702,
                "minimum": -35.95187298,
                "name": "Z",
                "position": 2,
                "stddev": 20.07789845,
                "variance": 403.1220063
              },
              {
                "average": 435.4159542,
                "count": 3613881,
                "maximum": 7957,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 750.8110483,
                "variance": 563717.2303
              },
              {
                "average": 1.048832543,
                "count": 3613881,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2623694434,
                "variance": 0.06883772481
              },
              {
                "average": 1.096225637,
                "count": 3613881,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3978507288,
                "variance": 0.1582852024
              },
              {
                "average": 1,
                "count": 3613881,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3613881,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 23.42427269,
                "count": 3613881,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.14164213,
                "variance": 124.1361894
              },
              {
                "average": 18.17639795,
                "count": 3613881,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.786272614,
                "variance": 33.48095076
              },
              {
                "average": 139.5978719,
                "count": 3613881,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 89.67817028,
                "variance": 8042.174224
              },
              {
                "average": 16.73228504,
                "count": 3613881,
                "maximum": 22,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.354594222,
                "variance": 11.25330239
              },
              {
                "average": 63541870.08,
                "count": 3613881,
                "maximum": 63914982.32,
                "minimum": 63382982.18,
                "name": "GpsTime",
                "position": 12,
                "stddev": 242233.5154,
                "variance": 58677075970.0
              },
              {
                "average": 0,
                "count": 3613881,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3613881,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3613881,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3613881,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3613881,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.0172,
              2352998.485,
              -35.95187298,
              638000.0572,
              2353998.485,
              78.54812702
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0171601998,
                    2352998.484709585,
                    -35.95187297569311
                  ],
                  [
                    637000.0171601998,
                    2353998.484709585,
                    -35.95187297569311
                  ],
                  [
                    638000.0571601999,
                    2353998.484709585,
                    78.5481270243069
                  ],
                  [
                    638000.0571601999,
                    2352998.484709585,
                    78.5481270243069
                  ],
                  [
                    637000.0171601998,
                    2352998.484709585,
                    -35.95187297569311
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:56:22+00:00",
            "end_time": "2013-09-16T16:09:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3370.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71666855189892,
              21.427438805932464,
              -49.3059412928141
            ],
            [
              -157.71658960235317,
              21.436468278032738,
              -49.3059412928141
            ],
            [
              -157.71347082620736,
              21.43644434234472,
              -22.525941292814096
            ],
            [
              -157.7135499661544,
              21.42741488122933,
              -22.525941292814096
            ],
            [
              -157.71666855189892,
              21.427438805932464,
              -49.3059412928141
            ]
          ]
        ]
      },
      "bbox": [
        -157.7166686,
        21.42741488,
        -49.30594129,
        -157.7134708,
        21.43646828,
        -22.52594129
      ],
      "properties": {
        "datetime": "2013-09-21T02:21:18Z",
        "pc:count": 54104,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633095.327,
            "count": 54104,
            "maximum": 633323.1912,
            "minimum": 632999.9312,
            "name": "X",
            "position": 0,
            "stddev": 64.91011705,
            "variance": 4213.323296
          },
          {
            "average": 2370694.066,
            "count": 54104,
            "maximum": 2370998.47,
            "minimum": 2369998.85,
            "name": "Y",
            "position": 1,
            "stddev": 203.5552302,
            "variance": 41434.73173
          },
          {
            "average": -29.73679095,
            "count": 54104,
            "maximum": -22.52594129,
            "minimum": -49.30594129,
            "name": "Z",
            "position": 2,
            "stddev": 2.859930605,
            "variance": 8.179203065
          },
          {
            "average": 494.7976675,
            "count": 54104,
            "maximum": 1267,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 152.0716805,
            "variance": 23125.79602
          },
          {
            "average": 1.000110898,
            "count": 54104,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01053030303,
            "variance": 0.0001108872819
          },
          {
            "average": 1.000110898,
            "count": 54104,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01053030303,
            "variance": 0.0001108872819
          },
          {
            "average": 1,
            "count": 54104,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 54104,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 54104,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.89295178,
            "count": 54104,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.501836879,
            "variance": 90.28490407
          },
          {
            "average": 249.0116812,
            "count": 54104,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1076194029,
            "variance": 0.01158193589
          },
          {
            "average": 19.01609862,
            "count": 54104,
            "maximum": 22,
            "minimum": 9,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.986565471,
            "variance": 15.89270425
          },
          {
            "average": 63764541.25,
            "count": 54104,
            "maximum": 63765278.41,
            "minimum": 63761764.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 999.7804925,
            "variance": 999561.0331
          },
          {
            "average": 0,
            "count": 54104,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 54104,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 54104,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 54104,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 54104,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9312,
          2369998.85,
          -49.30594129,
          633323.1912,
          2370998.47,
          -22.52594129
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9312132082,
                2369998.8503363817,
                -49.3059412928141
              ],
              [
                632999.9312132082,
                2370998.470336382,
                -49.3059412928141
              ],
              [
                633323.1912132083,
                2370998.470336382,
                -22.525941292814096
              ],
              [
                633323.1912132083,
                2369998.8503363817,
                -22.525941292814096
              ],
              [
                632999.9312132082,
                2369998.8503363817,
                -49.3059412928141
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:21:18+00:00",
        "end_time": "2013-09-21T01:22:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3370.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3370.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3370.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3370.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7166686,
            21.42741488,
            -49.30594129,
            -157.7134708,
            21.43646828,
            -22.52594129
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71666855189892,
                  21.427438805932464,
                  -49.3059412928141
                ],
                [
                  -157.71658960235317,
                  21.436468278032738,
                  -49.3059412928141
                ],
                [
                  -157.71347082620736,
                  21.43644434234472,
                  -22.525941292814096
                ],
                [
                  -157.7135499661544,
                  21.42741488122933,
                  -22.525941292814096
                ],
                [
                  -157.71666855189892,
                  21.427438805932464,
                  -49.3059412928141
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3370.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3370.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:21:18Z",
            "pc:count": 54104,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633095.327,
                "count": 54104,
                "maximum": 633323.1912,
                "minimum": 632999.9312,
                "name": "X",
                "position": 0,
                "stddev": 64.91011705,
                "variance": 4213.323296
              },
              {
                "average": 2370694.066,
                "count": 54104,
                "maximum": 2370998.47,
                "minimum": 2369998.85,
                "name": "Y",
                "position": 1,
                "stddev": 203.5552302,
                "variance": 41434.73173
              },
              {
                "average": -29.73679095,
                "count": 54104,
                "maximum": -22.52594129,
                "minimum": -49.30594129,
                "name": "Z",
                "position": 2,
                "stddev": 2.859930605,
                "variance": 8.179203065
              },
              {
                "average": 494.7976675,
                "count": 54104,
                "maximum": 1267,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 152.0716805,
                "variance": 23125.79602
              },
              {
                "average": 1.000110898,
                "count": 54104,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01053030303,
                "variance": 0.0001108872819
              },
              {
                "average": 1.000110898,
                "count": 54104,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01053030303,
                "variance": 0.0001108872819
              },
              {
                "average": 1,
                "count": 54104,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 54104,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 54104,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.89295178,
                "count": 54104,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.501836879,
                "variance": 90.28490407
              },
              {
                "average": 249.0116812,
                "count": 54104,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1076194029,
                "variance": 0.01158193589
              },
              {
                "average": 19.01609862,
                "count": 54104,
                "maximum": 22,
                "minimum": 9,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.986565471,
                "variance": 15.89270425
              },
              {
                "average": 63764541.25,
                "count": 54104,
                "maximum": 63765278.41,
                "minimum": 63761764.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 999.7804925,
                "variance": 999561.0331
              },
              {
                "average": 0,
                "count": 54104,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 54104,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 54104,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 54104,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 54104,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9312,
              2369998.85,
              -49.30594129,
              633323.1912,
              2370998.47,
              -22.52594129
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9312132082,
                    2369998.8503363817,
                    -49.3059412928141
                  ],
                  [
                    632999.9312132082,
                    2370998.470336382,
                    -49.3059412928141
                  ],
                  [
                    633323.1912132083,
                    2370998.470336382,
                    -22.525941292814096
                  ],
                  [
                    633323.1912132083,
                    2369998.8503363817,
                    -22.525941292814096
                  ],
                  [
                    632999.9312132082,
                    2369998.8503363817,
                    -49.3059412928141
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:21:18+00:00",
            "end_time": "2013-09-21T01:22:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3371.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7165896345396,
              21.436468482787213,
              -53.22306250994184
            ],
            [
              -157.71651061223932,
              21.445501378383106,
              -53.22306250994184
            ],
            [
              -157.71183438270134,
              21.445465453581814,
              -27.783062509941843
            ],
            [
              -157.71191369094433,
              21.436432574540262,
              -27.783062509941843
            ],
            [
              -157.7165896345396,
              21.436468482787213,
              -53.22306250994184
            ]
          ]
        ]
      },
      "bbox": [
        -157.7165896,
        21.43643257,
        -53.22306251,
        -157.7118344,
        21.44550138,
        -27.78306251
      ],
      "properties": {
        "datetime": "2013-09-21T02:18:11Z",
        "pc:count": 183435,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633137.5278,
            "count": 183435,
            "maximum": 633484.5877,
            "minimum": 632999.9277,
            "name": "X",
            "position": 0,
            "stddev": 94.86831837,
            "variance": 8999.997831
          },
          {
            "average": 2371595.339,
            "count": 183435,
            "maximum": 2371998.493,
            "minimum": 2370998.493,
            "name": "Y",
            "position": 1,
            "stddev": 284.4541017,
            "variance": 80914.13597
          },
          {
            "average": -33.75416644,
            "count": 183435,
            "maximum": -27.78306251,
            "minimum": -53.22306251,
            "name": "Z",
            "position": 2,
            "stddev": 3.821192296,
            "variance": 14.60151056
          },
          {
            "average": 857.759457,
            "count": 183435,
            "maximum": 3182,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 341.7862563,
            "variance": 116817.845
          },
          {
            "average": 1.00010903,
            "count": 183435,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01044122375,
            "variance": 0.0001090191534
          },
          {
            "average": 1.000114482,
            "count": 183435,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01069904141,
            "variance": 0.000114469487
          },
          {
            "average": 1,
            "count": 183435,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 183435,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 183435,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.78469333,
            "count": 183435,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.624425646,
            "variance": 92.62956901
          },
          {
            "average": 249.0080792,
            "count": 183435,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.08982450974,
            "variance": 0.00806844255
          },
          {
            "average": 18.2299125,
            "count": 183435,
            "maximum": 21,
            "minimum": 15,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.366135478,
            "variance": 1.866326145
          },
          {
            "average": 63764349.8,
            "count": 183435,
            "maximum": 63765091.77,
            "minimum": 63763571.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 338.5263777,
            "variance": 114600.1084
          },
          {
            "average": 0,
            "count": 183435,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 183435,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 183435,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 183435,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 183435,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9277,
          2370998.493,
          -53.22306251,
          633484.5877,
          2371998.493,
          -27.78306251
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9276917261,
                2370998.4929751838,
                -53.22306250994184
              ],
              [
                632999.9276917261,
                2371998.4929751838,
                -53.22306250994184
              ],
              [
                633484.587691726,
                2371998.4929751838,
                -27.783062509941843
              ],
              [
                633484.587691726,
                2370998.4929751838,
                -27.783062509941843
              ],
              [
                632999.9276917261,
                2370998.4929751838,
                -53.22306250994184
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:18:11+00:00",
        "end_time": "2013-09-21T01:52:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3371.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3371.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3371.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3371.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7165896,
            21.43643257,
            -53.22306251,
            -157.7118344,
            21.44550138,
            -27.78306251
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7165896345396,
                  21.436468482787213,
                  -53.22306250994184
                ],
                [
                  -157.71651061223932,
                  21.445501378383106,
                  -53.22306250994184
                ],
                [
                  -157.71183438270134,
                  21.445465453581814,
                  -27.783062509941843
                ],
                [
                  -157.71191369094433,
                  21.436432574540262,
                  -27.783062509941843
                ],
                [
                  -157.7165896345396,
                  21.436468482787213,
                  -53.22306250994184
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3371.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3371.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:18:11Z",
            "pc:count": 183435,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633137.5278,
                "count": 183435,
                "maximum": 633484.5877,
                "minimum": 632999.9277,
                "name": "X",
                "position": 0,
                "stddev": 94.86831837,
                "variance": 8999.997831
              },
              {
                "average": 2371595.339,
                "count": 183435,
                "maximum": 2371998.493,
                "minimum": 2370998.493,
                "name": "Y",
                "position": 1,
                "stddev": 284.4541017,
                "variance": 80914.13597
              },
              {
                "average": -33.75416644,
                "count": 183435,
                "maximum": -27.78306251,
                "minimum": -53.22306251,
                "name": "Z",
                "position": 2,
                "stddev": 3.821192296,
                "variance": 14.60151056
              },
              {
                "average": 857.759457,
                "count": 183435,
                "maximum": 3182,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 341.7862563,
                "variance": 116817.845
              },
              {
                "average": 1.00010903,
                "count": 183435,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01044122375,
                "variance": 0.0001090191534
              },
              {
                "average": 1.000114482,
                "count": 183435,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01069904141,
                "variance": 0.000114469487
              },
              {
                "average": 1,
                "count": 183435,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 183435,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 183435,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.78469333,
                "count": 183435,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.624425646,
                "variance": 92.62956901
              },
              {
                "average": 249.0080792,
                "count": 183435,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.08982450974,
                "variance": 0.00806844255
              },
              {
                "average": 18.2299125,
                "count": 183435,
                "maximum": 21,
                "minimum": 15,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.366135478,
                "variance": 1.866326145
              },
              {
                "average": 63764349.8,
                "count": 183435,
                "maximum": 63765091.77,
                "minimum": 63763571.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 338.5263777,
                "variance": 114600.1084
              },
              {
                "average": 0,
                "count": 183435,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 183435,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 183435,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 183435,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 183435,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9277,
              2370998.493,
              -53.22306251,
              633484.5877,
              2371998.493,
              -27.78306251
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9276917261,
                    2370998.4929751838,
                    -53.22306250994184
                  ],
                  [
                    632999.9276917261,
                    2371998.4929751838,
                    -53.22306250994184
                  ],
                  [
                    633484.587691726,
                    2371998.4929751838,
                    -27.783062509941843
                  ],
                  [
                    633484.587691726,
                    2370998.4929751838,
                    -27.783062509941843
                  ],
                  [
                    632999.9276917261,
                    2370998.4929751838,
                    -53.22306250994184
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:18:11+00:00",
            "end_time": "2013-09-21T01:52:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3372.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7165105951658,
              21.445501386737597,
              -55.638719645971776
            ],
            [
              -157.71643153009117,
              21.454534273316725,
              -55.638719645971776
            ],
            [
              -157.70889908869339,
              21.454476318319543,
              -24.438719645971773
            ],
            [
              -157.70897861493083,
              21.445443458540996,
              -24.438719645971773
            ],
            [
              -157.7165105951658,
              21.445501386737597,
              -55.638719645971776
            ]
          ]
        ]
      },
      "bbox": [
        -157.7165106,
        21.44544346,
        -55.63871965,
        -157.7088991,
        21.45453427,
        -24.43871965
      ],
      "properties": {
        "datetime": "2013-09-21T02:04:26Z",
        "pc:count": 351998,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633246.4944,
            "count": 351998,
            "maximum": 633780.5695,
            "minimum": 632999.9295,
            "name": "X",
            "position": 0,
            "stddev": 152.9293448,
            "variance": 23387.38451
          },
          {
            "average": 2372516.592,
            "count": 351998,
            "maximum": 2372998.494,
            "minimum": 2371998.494,
            "name": "Y",
            "position": 1,
            "stddev": 283.6928137,
            "variance": 80481.61255
          },
          {
            "average": -34.41939366,
            "count": 351998,
            "maximum": -24.43871965,
            "minimum": -55.63871965,
            "name": "Z",
            "position": 2,
            "stddev": 4.866526101,
            "variance": 23.68307629
          },
          {
            "average": 1046.358116,
            "count": 351998,
            "maximum": 5907,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 597.1358619,
            "variance": 356571.2376
          },
          {
            "average": 1.000303979,
            "count": 351998,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01743236817,
            "variance": 0.00030388746
          },
          {
            "average": 1.000414775,
            "count": 351998,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02036183252,
            "variance": 0.0004146042234
          },
          {
            "average": 1,
            "count": 351998,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 351998,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 351998,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.17722311,
            "count": 351998,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.636364564,
            "variance": 92.859522
          },
          {
            "average": 249.0076364,
            "count": 351998,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.08760539695,
            "variance": 0.007674705574
          },
          {
            "average": 13.88962153,
            "count": 351998,
            "maximum": 18,
            "minimum": 8,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.076542007,
            "variance": 4.312026709
          },
          {
            "average": 63763177.48,
            "count": 351998,
            "maximum": 63764266.15,
            "minimum": 63760950.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 664.0415404,
            "variance": 440951.1673
          },
          {
            "average": 0,
            "count": 351998,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 351998,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 351998,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 351998,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 351998,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9295,
          2371998.494,
          -55.63871965,
          633780.5695,
          2372998.494,
          -24.43871965
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9294535856,
                2371998.4939145115,
                -55.638719645971776
              ],
              [
                632999.9294535856,
                2372998.4939145115,
                -55.638719645971776
              ],
              [
                633780.5694535855,
                2372998.4939145115,
                -24.438719645971773
              ],
              [
                633780.5694535855,
                2371998.4939145115,
                -24.438719645971773
              ],
              [
                632999.9294535856,
                2371998.4939145115,
                -55.638719645971776
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:04:26+00:00",
        "end_time": "2013-09-21T01:09:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3372.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3372.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3372.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3372.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7165106,
            21.44544346,
            -55.63871965,
            -157.7088991,
            21.45453427,
            -24.43871965
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7165105951658,
                  21.445501386737597,
                  -55.638719645971776
                ],
                [
                  -157.71643153009117,
                  21.454534273316725,
                  -55.638719645971776
                ],
                [
                  -157.70889908869339,
                  21.454476318319543,
                  -24.438719645971773
                ],
                [
                  -157.70897861493083,
                  21.445443458540996,
                  -24.438719645971773
                ],
                [
                  -157.7165105951658,
                  21.445501386737597,
                  -55.638719645971776
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3372.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3372.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:04:26Z",
            "pc:count": 351998,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633246.4944,
                "count": 351998,
                "maximum": 633780.5695,
                "minimum": 632999.9295,
                "name": "X",
                "position": 0,
                "stddev": 152.9293448,
                "variance": 23387.38451
              },
              {
                "average": 2372516.592,
                "count": 351998,
                "maximum": 2372998.494,
                "minimum": 2371998.494,
                "name": "Y",
                "position": 1,
                "stddev": 283.6928137,
                "variance": 80481.61255
              },
              {
                "average": -34.41939366,
                "count": 351998,
                "maximum": -24.43871965,
                "minimum": -55.63871965,
                "name": "Z",
                "position": 2,
                "stddev": 4.866526101,
                "variance": 23.68307629
              },
              {
                "average": 1046.358116,
                "count": 351998,
                "maximum": 5907,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 597.1358619,
                "variance": 356571.2376
              },
              {
                "average": 1.000303979,
                "count": 351998,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01743236817,
                "variance": 0.00030388746
              },
              {
                "average": 1.000414775,
                "count": 351998,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02036183252,
                "variance": 0.0004146042234
              },
              {
                "average": 1,
                "count": 351998,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 351998,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 351998,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.17722311,
                "count": 351998,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.636364564,
                "variance": 92.859522
              },
              {
                "average": 249.0076364,
                "count": 351998,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.08760539695,
                "variance": 0.007674705574
              },
              {
                "average": 13.88962153,
                "count": 351998,
                "maximum": 18,
                "minimum": 8,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.076542007,
                "variance": 4.312026709
              },
              {
                "average": 63763177.48,
                "count": 351998,
                "maximum": 63764266.15,
                "minimum": 63760950.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 664.0415404,
                "variance": 440951.1673
              },
              {
                "average": 0,
                "count": 351998,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 351998,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 351998,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 351998,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 351998,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9295,
              2371998.494,
              -55.63871965,
              633780.5695,
              2372998.494,
              -24.43871965
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9294535856,
                    2371998.4939145115,
                    -55.638719645971776
                  ],
                  [
                    632999.9294535856,
                    2372998.4939145115,
                    -55.638719645971776
                  ],
                  [
                    633780.5694535855,
                    2372998.4939145115,
                    -24.438719645971773
                  ],
                  [
                    633780.5694535855,
                    2371998.4939145115,
                    -24.438719645971773
                  ],
                  [
                    632999.9294535856,
                    2371998.4939145115,
                    -55.638719645971776
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:04:26+00:00",
            "end_time": "2013-09-21T01:09:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3373.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71643146815615,
              21.454534320367472,
              -52.38876313772717
            ],
            [
              -157.71635236028254,
              21.4635671979227,
              -52.38876313772717
            ],
            [
              -157.70814996562711,
              21.463504046409245,
              -7.488763137727169
            ],
            [
              -157.70822957623724,
              21.454471198163684,
              -7.488763137727169
            ],
            [
              -157.71643146815615,
              21.454534320367472,
              -52.38876313772717
            ]
          ]
        ]
      },
      "bbox": [
        -157.7164315,
        21.4544712,
        -52.38876314,
        -157.70815,
        21.4635672,
        -7.488763138
      ],
      "properties": {
        "datetime": "2013-09-21T01:47:57Z",
        "pc:count": 607016,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633232.5574,
            "count": 607016,
            "maximum": 633849.9558,
            "minimum": 632999.9358,
            "name": "X",
            "position": 0,
            "stddev": 183.2335687,
            "variance": 33574.54068
          },
          {
            "average": 2373562.122,
            "count": 607016,
            "maximum": 2373998.499,
            "minimum": 2372998.499,
            "name": "Y",
            "position": 1,
            "stddev": 280.0884569,
            "variance": 78449.54366
          },
          {
            "average": -21.85251253,
            "count": 607016,
            "maximum": -7.488763138,
            "minimum": -52.38876314,
            "name": "Z",
            "position": 2,
            "stddev": 9.042651523,
            "variance": 81.76954656
          },
          {
            "average": 289.8117793,
            "count": 607016,
            "maximum": 5059,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 346.7833801,
            "variance": 120258.7127
          },
          {
            "average": 1.016375186,
            "count": 607016,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1298267622,
            "variance": 0.01685498818
          },
          {
            "average": 1.026641802,
            "count": 607016,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1687765916,
            "variance": 0.02848553789
          },
          {
            "average": 1,
            "count": 607016,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 607016,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 607016,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.90189069,
            "count": 607016,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.07785053,
            "variance": 82.40737024
          },
          {
            "average": 197.9291337,
            "count": 607016,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 80.93953442,
            "variance": 6551.208231
          },
          {
            "average": 7.847910105,
            "count": 607016,
            "maximum": 14,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.568846726,
            "variance": 2.461280049
          },
          {
            "average": 63761050.69,
            "count": 607016,
            "maximum": 63763277.5,
            "minimum": 63760466.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 580.9120928,
            "variance": 337458.8596
          },
          {
            "average": 0,
            "count": 607016,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 607016,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 607016,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 607016,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 607016,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9358,
          2372998.499,
          -52.38876314,
          633849.9558,
          2373998.499,
          -7.488763138
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9358292173,
                2372998.4991755886,
                -52.38876313772717
              ],
              [
                632999.9358292173,
                2373998.4991755886,
                -52.38876313772717
              ],
              [
                633849.9558292173,
                2373998.4991755886,
                -7.488763137727169
              ],
              [
                633849.9558292173,
                2372998.4991755886,
                -7.488763137727169
              ],
              [
                632999.9358292173,
                2372998.4991755886,
                -52.38876313772717
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:47:57+00:00",
        "end_time": "2013-09-21T01:01:06+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3373.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3373.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3373.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3373.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7164315,
            21.4544712,
            -52.38876314,
            -157.70815,
            21.4635672,
            -7.488763138
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71643146815615,
                  21.454534320367472,
                  -52.38876313772717
                ],
                [
                  -157.71635236028254,
                  21.4635671979227,
                  -52.38876313772717
                ],
                [
                  -157.70814996562711,
                  21.463504046409245,
                  -7.488763137727169
                ],
                [
                  -157.70822957623724,
                  21.454471198163684,
                  -7.488763137727169
                ],
                [
                  -157.71643146815615,
                  21.454534320367472,
                  -52.38876313772717
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3373.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3373.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:47:57Z",
            "pc:count": 607016,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633232.5574,
                "count": 607016,
                "maximum": 633849.9558,
                "minimum": 632999.9358,
                "name": "X",
                "position": 0,
                "stddev": 183.2335687,
                "variance": 33574.54068
              },
              {
                "average": 2373562.122,
                "count": 607016,
                "maximum": 2373998.499,
                "minimum": 2372998.499,
                "name": "Y",
                "position": 1,
                "stddev": 280.0884569,
                "variance": 78449.54366
              },
              {
                "average": -21.85251253,
                "count": 607016,
                "maximum": -7.488763138,
                "minimum": -52.38876314,
                "name": "Z",
                "position": 2,
                "stddev": 9.042651523,
                "variance": 81.76954656
              },
              {
                "average": 289.8117793,
                "count": 607016,
                "maximum": 5059,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 346.7833801,
                "variance": 120258.7127
              },
              {
                "average": 1.016375186,
                "count": 607016,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1298267622,
                "variance": 0.01685498818
              },
              {
                "average": 1.026641802,
                "count": 607016,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1687765916,
                "variance": 0.02848553789
              },
              {
                "average": 1,
                "count": 607016,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 607016,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 607016,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.90189069,
                "count": 607016,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.07785053,
                "variance": 82.40737024
              },
              {
                "average": 197.9291337,
                "count": 607016,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 80.93953442,
                "variance": 6551.208231
              },
              {
                "average": 7.847910105,
                "count": 607016,
                "maximum": 14,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.568846726,
                "variance": 2.461280049
              },
              {
                "average": 63761050.69,
                "count": 607016,
                "maximum": 63763277.5,
                "minimum": 63760466.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 580.9120928,
                "variance": 337458.8596
              },
              {
                "average": 0,
                "count": 607016,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 607016,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 607016,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 607016,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 607016,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9358,
              2372998.499,
              -52.38876314,
              633849.9558,
              2373998.499,
              -7.488763138
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9358292173,
                    2372998.4991755886,
                    -52.38876313772717
                  ],
                  [
                    632999.9358292173,
                    2373998.4991755886,
                    -52.38876313772717
                  ],
                  [
                    633849.9558292173,
                    2373998.4991755886,
                    -7.488763137727169
                  ],
                  [
                    633849.9558292173,
                    2372998.4991755886,
                    -7.488763137727169
                  ],
                  [
                    632999.9358292173,
                    2372998.4991755886,
                    -52.38876313772717
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:47:57+00:00",
            "end_time": "2013-09-21T01:01:06+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3265.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72670747672308,
              21.382344213012907,
              0.866149497355693
            ],
            [
              -157.72662935385014,
              21.391377200670288,
              0.866149497355693
            ],
            [
              -157.7169841044611,
              21.391303695160346,
              178.3061494973557
            ],
            [
              -157.7170628311648,
              21.382270740095283,
              178.3061494973557
            ],
            [
              -157.72670747672308,
              21.382344213012907,
              0.866149497355693
            ]
          ]
        ]
      },
      "bbox": [
        -157.7267075,
        21.38227074,
        0.8661494974,
        -157.7169841,
        21.3913772,
        178.3061495
      ],
      "properties": {
        "datetime": "2013-09-20T19:43:06Z",
        "pc:count": 8463862,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632507.2309,
            "count": 8463862,
            "maximum": 632999.9249,
            "minimum": 631999.9049,
            "name": "X",
            "position": 0,
            "stddev": 279.40756,
            "variance": 78068.58457
          },
          {
            "average": 2365479.464,
            "count": 8463862,
            "maximum": 2365998.474,
            "minimum": 2364998.474,
            "name": "Y",
            "position": 1,
            "stddev": 282.2749934,
            "variance": 79679.17189
          },
          {
            "average": 45.47710544,
            "count": 8463862,
            "maximum": 178.3061495,
            "minimum": 0.8661494974,
            "name": "Z",
            "position": 2,
            "stddev": 42.65698888,
            "variance": 1819.618701
          },
          {
            "average": 18.41585425,
            "count": 8463862,
            "maximum": 895,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.17184543,
            "variance": 1100.371329
          },
          {
            "average": 1.76453893,
            "count": 8463862,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.0353473,
            "variance": 1.071944031
          },
          {
            "average": 2.529350431,
            "count": 8463862,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.458997823,
            "variance": 2.128674647
          },
          {
            "average": 1,
            "count": 8463862,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8463862,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.189724502,
            "count": 8463862,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3920830694,
            "variance": 0.1537291333
          },
          {
            "average": 20.07862223,
            "count": 8463862,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.016649267,
            "variance": 4.066874266
          },
          {
            "average": 91.03451616,
            "count": 8463862,
            "maximum": 214,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.46246567,
            "variance": 4417.259343
          },
          {
            "average": 3.73454364,
            "count": 8463862,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.641666753,
            "variance": 13.26173674
          },
          {
            "average": 63686039.93,
            "count": 8463862,
            "maximum": 63741386.45,
            "minimum": 63657231.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 29332.72282,
            "variance": 860408627.9
          },
          {
            "average": 0,
            "count": 8463862,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8463862,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8463862,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8463862,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8463862,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.9049,
          2364998.474,
          0.8661494974,
          632999.9249,
          2365998.474,
          178.3061495
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.9049127381,
                2364998.4740697555,
                0.866149497355693
              ],
              [
                631999.9049127381,
                2365998.4740697555,
                0.866149497355693
              ],
              [
                632999.9249127381,
                2365998.4740697555,
                178.3061494973557
              ],
              [
                632999.9249127381,
                2364998.4740697555,
                178.3061494973557
              ],
              [
                631999.9049127381,
                2364998.4740697555,
                0.866149497355693
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:43:06+00:00",
        "end_time": "2013-09-19T20:20:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3265.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3265.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3265.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3265.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7267075,
            21.38227074,
            0.8661494974,
            -157.7169841,
            21.3913772,
            178.3061495
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72670747672308,
                  21.382344213012907,
                  0.866149497355693
                ],
                [
                  -157.72662935385014,
                  21.391377200670288,
                  0.866149497355693
                ],
                [
                  -157.7169841044611,
                  21.391303695160346,
                  178.3061494973557
                ],
                [
                  -157.7170628311648,
                  21.382270740095283,
                  178.3061494973557
                ],
                [
                  -157.72670747672308,
                  21.382344213012907,
                  0.866149497355693
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3265.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3265.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:43:06Z",
            "pc:count": 8463862,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632507.2309,
                "count": 8463862,
                "maximum": 632999.9249,
                "minimum": 631999.9049,
                "name": "X",
                "position": 0,
                "stddev": 279.40756,
                "variance": 78068.58457
              },
              {
                "average": 2365479.464,
                "count": 8463862,
                "maximum": 2365998.474,
                "minimum": 2364998.474,
                "name": "Y",
                "position": 1,
                "stddev": 282.2749934,
                "variance": 79679.17189
              },
              {
                "average": 45.47710544,
                "count": 8463862,
                "maximum": 178.3061495,
                "minimum": 0.8661494974,
                "name": "Z",
                "position": 2,
                "stddev": 42.65698888,
                "variance": 1819.618701
              },
              {
                "average": 18.41585425,
                "count": 8463862,
                "maximum": 895,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.17184543,
                "variance": 1100.371329
              },
              {
                "average": 1.76453893,
                "count": 8463862,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.0353473,
                "variance": 1.071944031
              },
              {
                "average": 2.529350431,
                "count": 8463862,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.458997823,
                "variance": 2.128674647
              },
              {
                "average": 1,
                "count": 8463862,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8463862,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.189724502,
                "count": 8463862,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3920830694,
                "variance": 0.1537291333
              },
              {
                "average": 20.07862223,
                "count": 8463862,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.016649267,
                "variance": 4.066874266
              },
              {
                "average": 91.03451616,
                "count": 8463862,
                "maximum": 214,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.46246567,
                "variance": 4417.259343
              },
              {
                "average": 3.73454364,
                "count": 8463862,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.641666753,
                "variance": 13.26173674
              },
              {
                "average": 63686039.93,
                "count": 8463862,
                "maximum": 63741386.45,
                "minimum": 63657231.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 29332.72282,
                "variance": 860408627.9
              },
              {
                "average": 0,
                "count": 8463862,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8463862,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8463862,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8463862,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8463862,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.9049,
              2364998.474,
              0.8661494974,
              632999.9249,
              2365998.474,
              178.3061495
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.9049127381,
                    2364998.4740697555,
                    0.866149497355693
                  ],
                  [
                    631999.9049127381,
                    2365998.4740697555,
                    0.866149497355693
                  ],
                  [
                    632999.9249127381,
                    2365998.4740697555,
                    178.3061494973557
                  ],
                  [
                    632999.9249127381,
                    2364998.4740697555,
                    178.3061494973557
                  ],
                  [
                    631999.9049127381,
                    2364998.4740697555,
                    0.866149497355693
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:43:06+00:00",
            "end_time": "2013-09-19T20:20:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2953.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75655507601496,
              21.27416302805778,
              -8.256054059027917
            ],
            [
              -157.75647915158962,
              21.283196423373347,
              -8.256054059027917
            ],
            [
              -157.74684098964266,
              21.283124971501554,
              101.10394594097208
            ],
            [
              -157.74691750150035,
              21.274091609635224,
              101.10394594097208
            ],
            [
              -157.75655507601496,
              21.27416302805778,
              -8.256054059027917
            ]
          ]
        ]
      },
      "bbox": [
        -157.7565551,
        21.27409161,
        -8.256054059,
        -157.746841,
        21.28319642,
        101.1039459
      ],
      "properties": {
        "datetime": "2013-09-22T18:33:55Z",
        "pc:count": 3747492,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629567.3357,
            "count": 3747492,
            "maximum": 629999.8252,
            "minimum": 628999.8052,
            "name": "X",
            "position": 0,
            "stddev": 300.5673274,
            "variance": 90340.71828
          },
          {
            "average": 2353470.801,
            "count": 3747492,
            "maximum": 2353998.448,
            "minimum": 2352998.428,
            "name": "Y",
            "position": 1,
            "stddev": 289.6756651,
            "variance": 83911.99093
          },
          {
            "average": 7.763076757,
            "count": 3747492,
            "maximum": 101.1039459,
            "minimum": -8.256054059,
            "name": "Z",
            "position": 2,
            "stddev": 11.20073367,
            "variance": 125.4564347
          },
          {
            "average": 18.66673284,
            "count": 3747492,
            "maximum": 1142,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.62529719,
            "variance": 2081.667743
          },
          {
            "average": 1.351284005,
            "count": 3747492,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7497683611,
            "variance": 0.5621525953
          },
          {
            "average": 1.708978165,
            "count": 3747492,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.138966759,
            "variance": 1.297245278
          },
          {
            "average": 1,
            "count": 3747492,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3747492,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 7.796328318,
            "count": 3747492,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.82476932,
            "variance": 139.8251694
          },
          {
            "average": 19.43277411,
            "count": 3747492,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.775796252,
            "variance": 14.25663734
          },
          {
            "average": 92.10193698,
            "count": 3747492,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.56074894,
            "variance": 4430.333299
          },
          {
            "average": 9.368452554,
            "count": 3747492,
            "maximum": 15,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.161067459,
            "variance": 26.63661732
          },
          {
            "average": 63545481.97,
            "count": 3747492,
            "maximum": 63910035.32,
            "minimum": 63381096.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 243517.5451,
            "variance": 59300794780.0
          },
          {
            "average": 0,
            "count": 3747492,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3747492,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3747492,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3747492,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3747492,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8052,
          2352998.428,
          -8.256054059,
          629999.8252,
          2353998.448,
          101.1039459
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8052352276,
                2352998.4284073263,
                -8.256054059027917
              ],
              [
                628999.8052352276,
                2353998.448407326,
                -8.256054059027917
              ],
              [
                629999.8252352276,
                2353998.448407326,
                101.10394594097208
              ],
              [
                629999.8252352276,
                2352998.4284073263,
                101.10394594097208
              ],
              [
                628999.8052352276,
                2352998.4284073263,
                -8.256054059027917
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:33:55+00:00",
        "end_time": "2013-09-16T15:38:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2953.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2953.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2953.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2953.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7565551,
            21.27409161,
            -8.256054059,
            -157.746841,
            21.28319642,
            101.1039459
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75655507601496,
                  21.27416302805778,
                  -8.256054059027917
                ],
                [
                  -157.75647915158962,
                  21.283196423373347,
                  -8.256054059027917
                ],
                [
                  -157.74684098964266,
                  21.283124971501554,
                  101.10394594097208
                ],
                [
                  -157.74691750150035,
                  21.274091609635224,
                  101.10394594097208
                ],
                [
                  -157.75655507601496,
                  21.27416302805778,
                  -8.256054059027917
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2953.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2953.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:33:55Z",
            "pc:count": 3747492,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629567.3357,
                "count": 3747492,
                "maximum": 629999.8252,
                "minimum": 628999.8052,
                "name": "X",
                "position": 0,
                "stddev": 300.5673274,
                "variance": 90340.71828
              },
              {
                "average": 2353470.801,
                "count": 3747492,
                "maximum": 2353998.448,
                "minimum": 2352998.428,
                "name": "Y",
                "position": 1,
                "stddev": 289.6756651,
                "variance": 83911.99093
              },
              {
                "average": 7.763076757,
                "count": 3747492,
                "maximum": 101.1039459,
                "minimum": -8.256054059,
                "name": "Z",
                "position": 2,
                "stddev": 11.20073367,
                "variance": 125.4564347
              },
              {
                "average": 18.66673284,
                "count": 3747492,
                "maximum": 1142,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.62529719,
                "variance": 2081.667743
              },
              {
                "average": 1.351284005,
                "count": 3747492,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7497683611,
                "variance": 0.5621525953
              },
              {
                "average": 1.708978165,
                "count": 3747492,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.138966759,
                "variance": 1.297245278
              },
              {
                "average": 1,
                "count": 3747492,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3747492,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 7.796328318,
                "count": 3747492,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.82476932,
                "variance": 139.8251694
              },
              {
                "average": 19.43277411,
                "count": 3747492,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.775796252,
                "variance": 14.25663734
              },
              {
                "average": 92.10193698,
                "count": 3747492,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.56074894,
                "variance": 4430.333299
              },
              {
                "average": 9.368452554,
                "count": 3747492,
                "maximum": 15,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.161067459,
                "variance": 26.63661732
              },
              {
                "average": 63545481.97,
                "count": 3747492,
                "maximum": 63910035.32,
                "minimum": 63381096.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 243517.5451,
                "variance": 59300794780.0
              },
              {
                "average": 0,
                "count": 3747492,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3747492,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3747492,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3747492,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3747492,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8052,
              2352998.428,
              -8.256054059,
              629999.8252,
              2353998.448,
              101.1039459
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8052352276,
                    2352998.4284073263,
                    -8.256054059027917
                  ],
                  [
                    628999.8052352276,
                    2353998.448407326,
                    -8.256054059027917
                  ],
                  [
                    629999.8252352276,
                    2353998.448407326,
                    101.10394594097208
                  ],
                  [
                    629999.8252352276,
                    2352998.4284073263,
                    101.10394594097208
                  ],
                  [
                    628999.8052352276,
                    2352998.4284073263,
                    -8.256054059027917
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:33:55+00:00",
            "end_time": "2013-09-16T15:38:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3374.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71635233528798,
              21.463567213755486,
              -31.798773663036464
            ],
            [
              -157.71632012770746,
              21.467243411677757,
              -31.798773663036464
            ],
            [
              -157.71214094976776,
              21.467211280532382,
              -5.998773663036465
            ],
            [
              -157.71217326166894,
              21.463535088697945,
              -5.998773663036465
            ],
            [
              -157.71635233528798,
              21.463567213755486,
              -31.798773663036464
            ]
          ]
        ]
      },
      "bbox": [
        -157.7163523,
        21.46353509,
        -31.79877366,
        -157.7121409,
        21.46724341,
        -5.998773663
      ],
      "properties": {
        "datetime": "2013-09-21T01:05:38Z",
        "pc:count": 200444,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633094.8552,
            "count": 200444,
            "maximum": 633433.0184,
            "minimum": 632999.9384,
            "name": "X",
            "position": 0,
            "stddev": 77.2421107,
            "variance": 5966.343665
          },
          {
            "average": 2374154.422,
            "count": 200444,
            "maximum": 2374405.481,
            "minimum": 2373998.501,
            "name": "Y",
            "position": 1,
            "stddev": 110.9818082,
            "variance": 12316.96175
          },
          {
            "average": -10.18405095,
            "count": 200444,
            "maximum": -5.998773663,
            "minimum": -31.79877366,
            "name": "Z",
            "position": 2,
            "stddev": 4.437798462,
            "variance": 19.69405519
          },
          {
            "average": 32.78452336,
            "count": 200444,
            "maximum": 1176,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 107.2304112,
            "variance": 11498.36109
          },
          {
            "average": 1.03395961,
            "count": 200444,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1830981348,
            "variance": 0.03352492697
          },
          {
            "average": 1.065120433,
            "count": 200444,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2523170613,
            "variance": 0.06366389943
          },
          {
            "average": 1,
            "count": 200444,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 200444,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 200444,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.3189145,
            "count": 200444,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.182491651,
            "variance": 38.22320302
          },
          {
            "average": 108.4129083,
            "count": 200444,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 76.5982453,
            "variance": 5867.291183
          },
          {
            "average": 6.225539303,
            "count": 200444,
            "maximum": 7,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4179380302,
            "variance": 0.1746721971
          },
          {
            "average": 63760541.56,
            "count": 200444,
            "maximum": 63760738.19,
            "minimum": 63760478.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 104.802561,
            "variance": 10983.5768
          },
          {
            "average": 0,
            "count": 200444,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 200444,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 200444,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 200444,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 200444,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9384,
          2373998.501,
          -31.79877366,
          633433.0184,
          2374405.481,
          -5.998773663
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9384048701,
                2373998.500949501,
                -31.798773663036464
              ],
              [
                632999.9384048701,
                2374405.4809495015,
                -31.798773663036464
              ],
              [
                633433.0184048702,
                2374405.4809495015,
                -5.998773663036465
              ],
              [
                633433.0184048702,
                2373998.500949501,
                -5.998773663036465
              ],
              [
                632999.9384048701,
                2373998.500949501,
                -31.798773663036464
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:05:38+00:00",
        "end_time": "2013-09-21T01:01:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3374.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3374.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3374.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3374.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7163523,
            21.46353509,
            -31.79877366,
            -157.7121409,
            21.46724341,
            -5.998773663
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71635233528798,
                  21.463567213755486,
                  -31.798773663036464
                ],
                [
                  -157.71632012770746,
                  21.467243411677757,
                  -31.798773663036464
                ],
                [
                  -157.71214094976776,
                  21.467211280532382,
                  -5.998773663036465
                ],
                [
                  -157.71217326166894,
                  21.463535088697945,
                  -5.998773663036465
                ],
                [
                  -157.71635233528798,
                  21.463567213755486,
                  -31.798773663036464
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3374.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3374.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:05:38Z",
            "pc:count": 200444,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633094.8552,
                "count": 200444,
                "maximum": 633433.0184,
                "minimum": 632999.9384,
                "name": "X",
                "position": 0,
                "stddev": 77.2421107,
                "variance": 5966.343665
              },
              {
                "average": 2374154.422,
                "count": 200444,
                "maximum": 2374405.481,
                "minimum": 2373998.501,
                "name": "Y",
                "position": 1,
                "stddev": 110.9818082,
                "variance": 12316.96175
              },
              {
                "average": -10.18405095,
                "count": 200444,
                "maximum": -5.998773663,
                "minimum": -31.79877366,
                "name": "Z",
                "position": 2,
                "stddev": 4.437798462,
                "variance": 19.69405519
              },
              {
                "average": 32.78452336,
                "count": 200444,
                "maximum": 1176,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 107.2304112,
                "variance": 11498.36109
              },
              {
                "average": 1.03395961,
                "count": 200444,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1830981348,
                "variance": 0.03352492697
              },
              {
                "average": 1.065120433,
                "count": 200444,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2523170613,
                "variance": 0.06366389943
              },
              {
                "average": 1,
                "count": 200444,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 200444,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 200444,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.3189145,
                "count": 200444,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.182491651,
                "variance": 38.22320302
              },
              {
                "average": 108.4129083,
                "count": 200444,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 76.5982453,
                "variance": 5867.291183
              },
              {
                "average": 6.225539303,
                "count": 200444,
                "maximum": 7,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4179380302,
                "variance": 0.1746721971
              },
              {
                "average": 63760541.56,
                "count": 200444,
                "maximum": 63760738.19,
                "minimum": 63760478.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 104.802561,
                "variance": 10983.5768
              },
              {
                "average": 0,
                "count": 200444,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 200444,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 200444,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 200444,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 200444,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9384,
              2373998.501,
              -31.79877366,
              633433.0184,
              2374405.481,
              -5.998773663
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9384048701,
                    2373998.500949501,
                    -31.798773663036464
                  ],
                  [
                    632999.9384048701,
                    2374405.4809495015,
                    -31.798773663036464
                  ],
                  [
                    633433.0184048702,
                    2374405.4809495015,
                    -5.998773663036465
                  ],
                  [
                    633433.0184048702,
                    2373998.500949501,
                    -5.998773663036465
                  ],
                  [
                    632999.9384048701,
                    2373998.500949501,
                    -31.798773663036464
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:05:38+00:00",
            "end_time": "2013-09-21T01:01:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3450.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70851549007978,
              21.255562126545463,
              -55.96858878127346
            ],
            [
              -157.7085140157117,
              21.255731225641803,
              -55.96858878127346
            ],
            [
              -157.7080509085222,
              21.255727676788226,
              -51.208588781273455
            ],
            [
              -157.70805238341848,
              21.25555857772286,
              -51.208588781273455
            ],
            [
              -157.70851549007978,
              21.255562126545463,
              -55.96858878127346
            ]
          ]
        ]
      },
      "bbox": [
        -157.7085155,
        21.25555858,
        -55.96858878,
        -157.7080509,
        21.25573123,
        -51.20858878
      ],
      "properties": {
        "datetime": "2013-09-11T01:20:26Z",
        "pc:count": 96,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634013.2441,
            "count": 96,
            "maximum": 634049.1297,
            "minimum": 634001.0697,
            "name": "X",
            "position": 0,
            "stddev": 11.23664323,
            "variance": 126.2621512
          },
          {
            "average": 2350991.79,
            "count": 96,
            "maximum": 2350998.097,
            "minimum": 2350979.377,
            "name": "Y",
            "position": 1,
            "stddev": 4.718506843,
            "variance": 22.26430683
          },
          {
            "average": -52.68775545,
            "count": 96,
            "maximum": -51.20858878,
            "minimum": -55.96858878,
            "name": "Z",
            "position": 2,
            "stddev": 0.945804772,
            "variance": 0.8945466667
          },
          {
            "average": 62.85416667,
            "count": 96,
            "maximum": 3017,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 433.1684486,
            "variance": 187634.9048
          },
          {
            "average": 1,
            "count": 96,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 96,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 96,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 96,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.91662498,
            "count": 96,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.988428142,
            "variance": 35.86127162
          },
          {
            "average": 249,
            "count": 96,
            "maximum": 249,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.25,
            "count": 96,
            "maximum": 6,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4352857501,
            "variance": 0.1894736842
          },
          {
            "average": 62897351.14,
            "count": 96,
            "maximum": 62897626.79,
            "minimum": 62897256.29,
            "name": "GpsTime",
            "position": 12,
            "stddev": 157.9865348,
            "variance": 24959.74517
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 96,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634001.0697,
          2350979.377,
          -55.96858878,
          634049.1297,
          2350998.097,
          -51.20858878
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634001.0696772754,
                2350979.377380217,
                -55.96858878127346
              ],
              [
                634001.0696772754,
                2350998.0973802167,
                -55.96858878127346
              ],
              [
                634049.1296772754,
                2350998.0973802167,
                -51.208588781273455
              ],
              [
                634049.1296772754,
                2350979.377380217,
                -51.208588781273455
              ],
              [
                634001.0696772754,
                2350979.377380217,
                -55.96858878127346
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T01:20:26+00:00",
        "end_time": "2013-09-11T01:14:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3450.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3450.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3450.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3450.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7085155,
            21.25555858,
            -55.96858878,
            -157.7080509,
            21.25573123,
            -51.20858878
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70851549007978,
                  21.255562126545463,
                  -55.96858878127346
                ],
                [
                  -157.7085140157117,
                  21.255731225641803,
                  -55.96858878127346
                ],
                [
                  -157.7080509085222,
                  21.255727676788226,
                  -51.208588781273455
                ],
                [
                  -157.70805238341848,
                  21.25555857772286,
                  -51.208588781273455
                ],
                [
                  -157.70851549007978,
                  21.255562126545463,
                  -55.96858878127346
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3450.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3450.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T01:20:26Z",
            "pc:count": 96,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634013.2441,
                "count": 96,
                "maximum": 634049.1297,
                "minimum": 634001.0697,
                "name": "X",
                "position": 0,
                "stddev": 11.23664323,
                "variance": 126.2621512
              },
              {
                "average": 2350991.79,
                "count": 96,
                "maximum": 2350998.097,
                "minimum": 2350979.377,
                "name": "Y",
                "position": 1,
                "stddev": 4.718506843,
                "variance": 22.26430683
              },
              {
                "average": -52.68775545,
                "count": 96,
                "maximum": -51.20858878,
                "minimum": -55.96858878,
                "name": "Z",
                "position": 2,
                "stddev": 0.945804772,
                "variance": 0.8945466667
              },
              {
                "average": 62.85416667,
                "count": 96,
                "maximum": 3017,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 433.1684486,
                "variance": 187634.9048
              },
              {
                "average": 1,
                "count": 96,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 96,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 96,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 96,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.91662498,
                "count": 96,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.988428142,
                "variance": 35.86127162
              },
              {
                "average": 249,
                "count": 96,
                "maximum": 249,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.25,
                "count": 96,
                "maximum": 6,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4352857501,
                "variance": 0.1894736842
              },
              {
                "average": 62897351.14,
                "count": 96,
                "maximum": 62897626.79,
                "minimum": 62897256.29,
                "name": "GpsTime",
                "position": 12,
                "stddev": 157.9865348,
                "variance": 24959.74517
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 96,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634001.0697,
              2350979.377,
              -55.96858878,
              634049.1297,
              2350998.097,
              -51.20858878
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634001.0696772754,
                    2350979.377380217,
                    -55.96858878127346
                  ],
                  [
                    634001.0696772754,
                    2350998.0973802167,
                    -55.96858878127346
                  ],
                  [
                    634049.1296772754,
                    2350998.0973802167,
                    -51.208588781273455
                  ],
                  [
                    634049.1296772754,
                    2350979.377380217,
                    -51.208588781273455
                  ],
                  [
                    634001.0696772754,
                    2350979.377380217,
                    -55.96858878127346
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T01:20:26+00:00",
            "end_time": "2013-09-11T01:14:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3065.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.74599694043962,
              21.382489425735905,
              -0.34724940482041
            ],
            [
              -157.74592000283397,
              21.391522480064598,
              -0.34724940482041
            ],
            [
              -157.73627459922986,
              21.39145007550503,
              100.9127505951796
            ],
            [
              -157.73635212822285,
              21.382417054499857,
              100.9127505951796
            ],
            [
              -157.74599694043962,
              21.382489425735905,
              -0.34724940482041
            ]
          ]
        ]
      },
      "bbox": [
        -157.7459969,
        21.38241705,
        -0.3472494048,
        -157.7362746,
        21.39152248,
        100.9127506
      ],
      "properties": {
        "datetime": "2013-09-20T20:50:47Z",
        "pc:count": 7694711,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630454.1161,
            "count": 7694711,
            "maximum": 630999.8794,
            "minimum": 629999.8394,
            "name": "X",
            "position": 0,
            "stddev": 294.8798713,
            "variance": 86954.13852
          },
          {
            "average": 2365499.824,
            "count": 7694711,
            "maximum": 2365998.465,
            "minimum": 2364998.465,
            "name": "Y",
            "position": 1,
            "stddev": 278.0103966,
            "variance": 77289.7806
          },
          {
            "average": 25.12627817,
            "count": 7694711,
            "maximum": 100.9127506,
            "minimum": -0.3472494048,
            "name": "Z",
            "position": 2,
            "stddev": 23.07927675,
            "variance": 532.6530155
          },
          {
            "average": 14.83653811,
            "count": 7694711,
            "maximum": 885,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 31.27256915,
            "variance": 977.9735815
          },
          {
            "average": 1.688758941,
            "count": 7694711,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9392116121,
            "variance": 0.8821184522
          },
          {
            "average": 2.378750027,
            "count": 7694711,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.288134217,
            "variance": 1.659289762
          },
          {
            "average": 1,
            "count": 7694711,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7694711,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.136064369,
            "count": 7694711,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3428569265,
            "variance": 0.1175508721
          },
          {
            "average": 20.17176509,
            "count": 7694711,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.387917531,
            "variance": 5.702150136
          },
          {
            "average": 90.92130556,
            "count": 7694711,
            "maximum": 199,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.94331507,
            "variance": 4481.407433
          },
          {
            "average": 6.439375306,
            "count": 7694711,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.628503982,
            "variance": 2.652025218
          },
          {
            "average": 63743358.69,
            "count": 7694711,
            "maximum": 63745447.07,
            "minimum": 63740682.65,
            "name": "GpsTime",
            "position": 12,
            "stddev": 968.1980243,
            "variance": 937407.4143
          },
          {
            "average": 0,
            "count": 7694711,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7694711,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7694711,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7694711,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7694711,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8394,
          2364998.465,
          -0.3472494048,
          630999.8794,
          2365998.465,
          100.9127506
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8394400771,
                2364998.4649867862,
                -0.34724940482041
              ],
              [
                629999.8394400771,
                2365998.4649867862,
                -0.34724940482041
              ],
              [
                630999.8794400771,
                2365998.4649867862,
                100.9127505951796
              ],
              [
                630999.8794400771,
                2364998.4649867862,
                100.9127505951796
              ],
              [
                629999.8394400771,
                2364998.4649867862,
                -0.34724940482041
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:50:47+00:00",
        "end_time": "2013-09-20T19:31:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3065.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3065.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3065.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3065.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7459969,
            21.38241705,
            -0.3472494048,
            -157.7362746,
            21.39152248,
            100.9127506
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.74599694043962,
                  21.382489425735905,
                  -0.34724940482041
                ],
                [
                  -157.74592000283397,
                  21.391522480064598,
                  -0.34724940482041
                ],
                [
                  -157.73627459922986,
                  21.39145007550503,
                  100.9127505951796
                ],
                [
                  -157.73635212822285,
                  21.382417054499857,
                  100.9127505951796
                ],
                [
                  -157.74599694043962,
                  21.382489425735905,
                  -0.34724940482041
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3065.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3065.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:50:47Z",
            "pc:count": 7694711,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630454.1161,
                "count": 7694711,
                "maximum": 630999.8794,
                "minimum": 629999.8394,
                "name": "X",
                "position": 0,
                "stddev": 294.8798713,
                "variance": 86954.13852
              },
              {
                "average": 2365499.824,
                "count": 7694711,
                "maximum": 2365998.465,
                "minimum": 2364998.465,
                "name": "Y",
                "position": 1,
                "stddev": 278.0103966,
                "variance": 77289.7806
              },
              {
                "average": 25.12627817,
                "count": 7694711,
                "maximum": 100.9127506,
                "minimum": -0.3472494048,
                "name": "Z",
                "position": 2,
                "stddev": 23.07927675,
                "variance": 532.6530155
              },
              {
                "average": 14.83653811,
                "count": 7694711,
                "maximum": 885,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 31.27256915,
                "variance": 977.9735815
              },
              {
                "average": 1.688758941,
                "count": 7694711,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9392116121,
                "variance": 0.8821184522
              },
              {
                "average": 2.378750027,
                "count": 7694711,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.288134217,
                "variance": 1.659289762
              },
              {
                "average": 1,
                "count": 7694711,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7694711,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.136064369,
                "count": 7694711,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3428569265,
                "variance": 0.1175508721
              },
              {
                "average": 20.17176509,
                "count": 7694711,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.387917531,
                "variance": 5.702150136
              },
              {
                "average": 90.92130556,
                "count": 7694711,
                "maximum": 199,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.94331507,
                "variance": 4481.407433
              },
              {
                "average": 6.439375306,
                "count": 7694711,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.628503982,
                "variance": 2.652025218
              },
              {
                "average": 63743358.69,
                "count": 7694711,
                "maximum": 63745447.07,
                "minimum": 63740682.65,
                "name": "GpsTime",
                "position": 12,
                "stddev": 968.1980243,
                "variance": 937407.4143
              },
              {
                "average": 0,
                "count": 7694711,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7694711,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7694711,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7694711,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7694711,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8394,
              2364998.465,
              -0.3472494048,
              630999.8794,
              2365998.465,
              100.9127506
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8394400771,
                    2364998.4649867862,
                    -0.34724940482041
                  ],
                  [
                    629999.8394400771,
                    2365998.4649867862,
                    -0.34724940482041
                  ],
                  [
                    630999.8794400771,
                    2365998.4649867862,
                    100.9127505951796
                  ],
                  [
                    630999.8794400771,
                    2364998.4649867862,
                    100.9127505951796
                  ],
                  [
                    629999.8394400771,
                    2364998.4649867862,
                    -0.34724940482041
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:50:47+00:00",
            "end_time": "2013-09-20T19:31:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3166.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73627470231804,
              21.391450158189986,
              -2.517101027242068
            ],
            [
              -157.73619711425292,
              21.400483169097498,
              -2.517101027242068
            ],
            [
              -157.72655113662307,
              21.40041017775547,
              32.64289897275793
            ],
            [
              -157.72662931752652,
              21.39137720025073,
              32.64289897275793
            ],
            [
              -157.73627470231804,
              21.391450158189986,
              -2.517101027242068
            ]
          ]
        ]
      },
      "bbox": [
        -157.7362747,
        21.3913772,
        -2.517101027,
        -157.7265511,
        21.40048317,
        32.64289897
      ],
      "properties": {
        "datetime": "2013-09-20T19:42:44Z",
        "pc:count": 6706456,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631487.5684,
            "count": 6706456,
            "maximum": 631999.9087,
            "minimum": 630999.8687,
            "name": "X",
            "position": 0,
            "stddev": 287.7455426,
            "variance": 82797.4973
          },
          {
            "average": 2366508.923,
            "count": 6706456,
            "maximum": 2366998.474,
            "minimum": 2365998.474,
            "name": "Y",
            "position": 1,
            "stddev": 278.6943568,
            "variance": 77670.54449
          },
          {
            "average": 6.306952337,
            "count": 6706456,
            "maximum": 32.64289897,
            "minimum": -2.517101027,
            "name": "Z",
            "position": 2,
            "stddev": 4.785779059,
            "variance": 22.9036812
          },
          {
            "average": 27.17613222,
            "count": 6706456,
            "maximum": 7874,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.47717611,
            "variance": 2350.036603
          },
          {
            "average": 1.48936398,
            "count": 6706456,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8694341869,
            "variance": 0.7559158054
          },
          {
            "average": 1.98328536,
            "count": 6706456,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.292103776,
            "variance": 1.669532168
          },
          {
            "average": 1,
            "count": 6706456,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6706456,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.888903916,
            "count": 6706456,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.635470171,
            "variance": 44.0294644
          },
          {
            "average": 20.09686827,
            "count": 6706456,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.082891963,
            "variance": 4.33843893
          },
          {
            "average": 91.18187967,
            "count": 6706456,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.42278298,
            "variance": 4411.986099
          },
          {
            "average": 4.394729198,
            "count": 6706456,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.884866646,
            "variance": 15.09218886
          },
          {
            "average": 63683080.04,
            "count": 6706456,
            "maximum": 63741364,
            "minimum": 63657209.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 29184.82787,
            "variance": 851754177.9
          },
          {
            "average": 0,
            "count": 6706456,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6706456,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6706456,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6706456,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6706456,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8687,
          2365998.474,
          -2.517101027,
          631999.9087,
          2366998.474,
          32.64289897
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8686789263,
                2365998.4740538415,
                -2.517101027242068
              ],
              [
                630999.8686789263,
                2366998.4740538415,
                -2.517101027242068
              ],
              [
                631999.9086789263,
                2366998.4740538415,
                32.64289897275793
              ],
              [
                631999.9086789263,
                2365998.4740538415,
                32.64289897275793
              ],
              [
                630999.8686789263,
                2365998.4740538415,
                -2.517101027242068
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:42:44+00:00",
        "end_time": "2013-09-19T20:20:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3166.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3166.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3166.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3166.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7362747,
            21.3913772,
            -2.517101027,
            -157.7265511,
            21.40048317,
            32.64289897
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73627470231804,
                  21.391450158189986,
                  -2.517101027242068
                ],
                [
                  -157.73619711425292,
                  21.400483169097498,
                  -2.517101027242068
                ],
                [
                  -157.72655113662307,
                  21.40041017775547,
                  32.64289897275793
                ],
                [
                  -157.72662931752652,
                  21.39137720025073,
                  32.64289897275793
                ],
                [
                  -157.73627470231804,
                  21.391450158189986,
                  -2.517101027242068
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3166.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3166.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:42:44Z",
            "pc:count": 6706456,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631487.5684,
                "count": 6706456,
                "maximum": 631999.9087,
                "minimum": 630999.8687,
                "name": "X",
                "position": 0,
                "stddev": 287.7455426,
                "variance": 82797.4973
              },
              {
                "average": 2366508.923,
                "count": 6706456,
                "maximum": 2366998.474,
                "minimum": 2365998.474,
                "name": "Y",
                "position": 1,
                "stddev": 278.6943568,
                "variance": 77670.54449
              },
              {
                "average": 6.306952337,
                "count": 6706456,
                "maximum": 32.64289897,
                "minimum": -2.517101027,
                "name": "Z",
                "position": 2,
                "stddev": 4.785779059,
                "variance": 22.9036812
              },
              {
                "average": 27.17613222,
                "count": 6706456,
                "maximum": 7874,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.47717611,
                "variance": 2350.036603
              },
              {
                "average": 1.48936398,
                "count": 6706456,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8694341869,
                "variance": 0.7559158054
              },
              {
                "average": 1.98328536,
                "count": 6706456,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.292103776,
                "variance": 1.669532168
              },
              {
                "average": 1,
                "count": 6706456,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6706456,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.888903916,
                "count": 6706456,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.635470171,
                "variance": 44.0294644
              },
              {
                "average": 20.09686827,
                "count": 6706456,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.082891963,
                "variance": 4.33843893
              },
              {
                "average": 91.18187967,
                "count": 6706456,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.42278298,
                "variance": 4411.986099
              },
              {
                "average": 4.394729198,
                "count": 6706456,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.884866646,
                "variance": 15.09218886
              },
              {
                "average": 63683080.04,
                "count": 6706456,
                "maximum": 63741364,
                "minimum": 63657209.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 29184.82787,
                "variance": 851754177.9
              },
              {
                "average": 0,
                "count": 6706456,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6706456,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6706456,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6706456,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6706456,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8687,
              2365998.474,
              -2.517101027,
              631999.9087,
              2366998.474,
              32.64289897
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8686789263,
                    2365998.4740538415,
                    -2.517101027242068
                  ],
                  [
                    630999.8686789263,
                    2366998.4740538415,
                    -2.517101027242068
                  ],
                  [
                    631999.9086789263,
                    2366998.4740538415,
                    32.64289897275793
                  ],
                  [
                    631999.9086789263,
                    2365998.4740538415,
                    32.64289897275793
                  ],
                  [
                    630999.8686789263,
                    2365998.4740538415,
                    -2.517101027242068
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:42:44+00:00",
            "end_time": "2013-09-19T20:20:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2954.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75039300260067,
              21.28315129469565,
              8.938132190384216
            ],
            [
              -157.7503861678061,
              21.28396030703162,
              8.938132190384216
            ],
            [
              -157.74683417593752,
              21.283933909422714,
              120.97813219038423
            ],
            [
              -157.74684103015082,
              21.283124898187044,
              120.97813219038423
            ],
            [
              -157.75039300260067,
              21.28315129469565,
              8.938132190384216
            ]
          ]
        ]
      },
      "bbox": [
        -157.750393,
        21.2831249,
        8.93813219,
        -157.7468342,
        21.28396031,
        120.9781322
      ],
      "properties": {
        "datetime": "2013-09-16T16:15:36Z",
        "pc:count": 167237,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629849.7977,
            "count": 167237,
            "maximum": 629999.8211,
            "minimum": 629631.2811,
            "name": "X",
            "position": 0,
            "stddev": 92.64804154,
            "variance": 8583.659601
          },
          {
            "average": 2354035.56,
            "count": 167237,
            "maximum": 2354088,
            "minimum": 2353998.44,
            "name": "Y",
            "position": 1,
            "stddev": 20.86757254,
            "variance": 435.4555837
          },
          {
            "average": 61.44955215,
            "count": 167237,
            "maximum": 120.9781322,
            "minimum": 8.93813219,
            "name": "Z",
            "position": 2,
            "stddev": 34.16675821,
            "variance": 1167.367367
          },
          {
            "average": 12.65520788,
            "count": 167237,
            "maximum": 966,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.30312543,
            "variance": 858.6731601
          },
          {
            "average": 1.657599694,
            "count": 167237,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8784014422,
            "variance": 0.7715890937
          },
          {
            "average": 2.310320085,
            "count": 167237,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.163617047,
            "variance": 1.354004632
          },
          {
            "average": 1,
            "count": 167237,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 167237,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.144220478,
            "count": 167237,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3513142032,
            "variance": 0.1234216694
          },
          {
            "average": 19.98888406,
            "count": 167237,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.603074747,
            "variance": 2.569848645
          },
          {
            "average": 89.99618505,
            "count": 167237,
            "maximum": 195,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.61655088,
            "variance": 4571.997952
          },
          {
            "average": 15,
            "count": 167237,
            "maximum": 15,
            "minimum": 15,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63383332.09,
            "count": 167237,
            "maximum": 63383336.41,
            "minimum": 63383328.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.839826157,
            "variance": 3.384960289
          },
          {
            "average": 0,
            "count": 167237,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 167237,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 167237,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 167237,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 167237,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629631.2811,
          2353998.44,
          8.93813219,
          629999.8211,
          2354088,
          120.9781322
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629631.2810969516,
                2353998.4402583283,
                8.938132190384216
              ],
              [
                629631.2810969516,
                2354088.000258328,
                8.938132190384216
              ],
              [
                629999.8210969516,
                2354088.000258328,
                120.97813219038423
              ],
              [
                629999.8210969516,
                2353998.4402583283,
                120.97813219038423
              ],
              [
                629631.2810969516,
                2353998.4402583283,
                8.938132190384216
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T16:15:36+00:00",
        "end_time": "2013-09-16T16:15:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2954.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2954.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2954.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2954.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.750393,
            21.2831249,
            8.93813219,
            -157.7468342,
            21.28396031,
            120.9781322
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75039300260067,
                  21.28315129469565,
                  8.938132190384216
                ],
                [
                  -157.7503861678061,
                  21.28396030703162,
                  8.938132190384216
                ],
                [
                  -157.74683417593752,
                  21.283933909422714,
                  120.97813219038423
                ],
                [
                  -157.74684103015082,
                  21.283124898187044,
                  120.97813219038423
                ],
                [
                  -157.75039300260067,
                  21.28315129469565,
                  8.938132190384216
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2954.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2954.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T16:15:36Z",
            "pc:count": 167237,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629849.7977,
                "count": 167237,
                "maximum": 629999.8211,
                "minimum": 629631.2811,
                "name": "X",
                "position": 0,
                "stddev": 92.64804154,
                "variance": 8583.659601
              },
              {
                "average": 2354035.56,
                "count": 167237,
                "maximum": 2354088,
                "minimum": 2353998.44,
                "name": "Y",
                "position": 1,
                "stddev": 20.86757254,
                "variance": 435.4555837
              },
              {
                "average": 61.44955215,
                "count": 167237,
                "maximum": 120.9781322,
                "minimum": 8.93813219,
                "name": "Z",
                "position": 2,
                "stddev": 34.16675821,
                "variance": 1167.367367
              },
              {
                "average": 12.65520788,
                "count": 167237,
                "maximum": 966,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.30312543,
                "variance": 858.6731601
              },
              {
                "average": 1.657599694,
                "count": 167237,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8784014422,
                "variance": 0.7715890937
              },
              {
                "average": 2.310320085,
                "count": 167237,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.163617047,
                "variance": 1.354004632
              },
              {
                "average": 1,
                "count": 167237,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 167237,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.144220478,
                "count": 167237,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3513142032,
                "variance": 0.1234216694
              },
              {
                "average": 19.98888406,
                "count": 167237,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.603074747,
                "variance": 2.569848645
              },
              {
                "average": 89.99618505,
                "count": 167237,
                "maximum": 195,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.61655088,
                "variance": 4571.997952
              },
              {
                "average": 15,
                "count": 167237,
                "maximum": 15,
                "minimum": 15,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63383332.09,
                "count": 167237,
                "maximum": 63383336.41,
                "minimum": 63383328.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.839826157,
                "variance": 3.384960289
              },
              {
                "average": 0,
                "count": 167237,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 167237,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 167237,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 167237,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 167237,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629631.2811,
              2353998.44,
              8.93813219,
              629999.8211,
              2354088,
              120.9781322
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629631.2810969516,
                    2353998.4402583283,
                    8.938132190384216
                  ],
                  [
                    629631.2810969516,
                    2354088.000258328,
                    8.938132190384216
                  ],
                  [
                    629999.8210969516,
                    2354088.000258328,
                    120.97813219038423
                  ],
                  [
                    629999.8210969516,
                    2353998.4402583283,
                    120.97813219038423
                  ],
                  [
                    629631.2810969516,
                    2353998.4402583283,
                    8.938132190384216
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T16:15:36+00:00",
            "end_time": "2013-09-16T16:15:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3552.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.69880933722698,
              21.264693497495355,
              -35.335336593964286
            ],
            [
              -157.69872992741264,
              21.27372669961392,
              -35.335336593964286
            ],
            [
              -157.68909240726927,
              21.27365197289043,
              101.04466340603571
            ],
            [
              -157.6891724046516,
              21.264618805552633,
              101.04466340603571
            ],
            [
              -157.69880933722698,
              21.264693497495355,
              -35.335336593964286
            ]
          ]
        ]
      },
      "bbox": [
        -157.6988093,
        21.26461881,
        -35.33533659,
        -157.6890924,
        21.2737267,
        101.0446634
      ],
      "properties": {
        "datetime": "2013-09-22T18:12:00Z",
        "pc:count": 10827944,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635425.2535,
            "count": 10827944,
            "maximum": 635999.9974,
            "minimum": 634999.9574,
            "name": "X",
            "position": 0,
            "stddev": 291.420159,
            "variance": 84925.70905
          },
          {
            "average": 2352531.381,
            "count": 10827944,
            "maximum": 2352998.478,
            "minimum": 2351998.458,
            "name": "Y",
            "position": 1,
            "stddev": 316.8518547,
            "variance": 100395.0978
          },
          {
            "average": 30.65173059,
            "count": 10827944,
            "maximum": 101.0446634,
            "minimum": -35.33533659,
            "name": "Z",
            "position": 2,
            "stddev": 29.55210836,
            "variance": 873.3271086
          },
          {
            "average": 25.56872385,
            "count": 10827944,
            "maximum": 2676,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 91.02214636,
            "variance": 8285.031128
          },
          {
            "average": 1.43974387,
            "count": 10827944,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.863129029,
            "variance": 0.7449917208
          },
          {
            "average": 1.876610278,
            "count": 10827944,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.322653948,
            "variance": 1.749413466
          },
          {
            "average": 1,
            "count": 10827944,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10827944,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.117095545,
            "count": 10827944,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.10039701,
            "variance": 146.4196077
          },
          {
            "average": 19.84667076,
            "count": 10827944,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.288502297,
            "variance": 10.81424736
          },
          {
            "average": 95.46687515,
            "count": 10827944,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.56003899,
            "variance": 4838.599025
          },
          {
            "average": 15.32603364,
            "count": 10827944,
            "maximum": 20,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.739312556,
            "variance": 22.46108351
          },
          {
            "average": 63391674.33,
            "count": 10827944,
            "maximum": 63908720.74,
            "minimum": 62898042.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 182533.2082,
            "variance": 33318372100.0
          },
          {
            "average": 0,
            "count": 10827944,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10827944,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10827944,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10827944,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10827944,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9574,
          2351998.458,
          -35.33533659,
          635999.9974,
          2352998.478,
          101.0446634
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9573505982,
                2351998.458459587,
                -35.335336593964286
              ],
              [
                634999.9573505982,
                2352998.4784595864,
                -35.335336593964286
              ],
              [
                635999.9973505982,
                2352998.4784595864,
                101.04466340603571
              ],
              [
                635999.9973505982,
                2351998.458459587,
                101.04466340603571
              ],
              [
                634999.9573505982,
                2351998.458459587,
                -35.335336593964286
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:12:00+00:00",
        "end_time": "2013-09-11T01:27:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3552.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3552.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3552.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3552.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6988093,
            21.26461881,
            -35.33533659,
            -157.6890924,
            21.2737267,
            101.0446634
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.69880933722698,
                  21.264693497495355,
                  -35.335336593964286
                ],
                [
                  -157.69872992741264,
                  21.27372669961392,
                  -35.335336593964286
                ],
                [
                  -157.68909240726927,
                  21.27365197289043,
                  101.04466340603571
                ],
                [
                  -157.6891724046516,
                  21.264618805552633,
                  101.04466340603571
                ],
                [
                  -157.69880933722698,
                  21.264693497495355,
                  -35.335336593964286
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3552.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3552.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:12:00Z",
            "pc:count": 10827944,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635425.2535,
                "count": 10827944,
                "maximum": 635999.9974,
                "minimum": 634999.9574,
                "name": "X",
                "position": 0,
                "stddev": 291.420159,
                "variance": 84925.70905
              },
              {
                "average": 2352531.381,
                "count": 10827944,
                "maximum": 2352998.478,
                "minimum": 2351998.458,
                "name": "Y",
                "position": 1,
                "stddev": 316.8518547,
                "variance": 100395.0978
              },
              {
                "average": 30.65173059,
                "count": 10827944,
                "maximum": 101.0446634,
                "minimum": -35.33533659,
                "name": "Z",
                "position": 2,
                "stddev": 29.55210836,
                "variance": 873.3271086
              },
              {
                "average": 25.56872385,
                "count": 10827944,
                "maximum": 2676,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 91.02214636,
                "variance": 8285.031128
              },
              {
                "average": 1.43974387,
                "count": 10827944,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.863129029,
                "variance": 0.7449917208
              },
              {
                "average": 1.876610278,
                "count": 10827944,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.322653948,
                "variance": 1.749413466
              },
              {
                "average": 1,
                "count": 10827944,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10827944,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.117095545,
                "count": 10827944,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.10039701,
                "variance": 146.4196077
              },
              {
                "average": 19.84667076,
                "count": 10827944,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.288502297,
                "variance": 10.81424736
              },
              {
                "average": 95.46687515,
                "count": 10827944,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.56003899,
                "variance": 4838.599025
              },
              {
                "average": 15.32603364,
                "count": 10827944,
                "maximum": 20,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.739312556,
                "variance": 22.46108351
              },
              {
                "average": 63391674.33,
                "count": 10827944,
                "maximum": 63908720.74,
                "minimum": 62898042.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 182533.2082,
                "variance": 33318372100.0
              },
              {
                "average": 0,
                "count": 10827944,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10827944,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10827944,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10827944,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10827944,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9574,
              2351998.458,
              -35.33533659,
              635999.9974,
              2352998.478,
              101.0446634
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9573505982,
                    2351998.458459587,
                    -35.335336593964286
                  ],
                  [
                    634999.9573505982,
                    2352998.4784595864,
                    -35.335336593964286
                  ],
                  [
                    635999.9973505982,
                    2352998.4784595864,
                    101.04466340603571
                  ],
                  [
                    635999.9973505982,
                    2351998.458459587,
                    101.04466340603571
                  ],
                  [
                    634999.9573505982,
                    2351998.458459587,
                    -35.335336593964286
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:12:00+00:00",
            "end_time": "2013-09-11T01:27:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2963.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75174834715386,
              21.368753163077805,
              51.861758119542266
            ],
            [
              -157.75170815800368,
              21.373498426927153,
              51.861758119542266
            ],
            [
              -157.74607363664396,
              21.37345642047481,
              133.28175811954227
            ],
            [
              -157.74611400643687,
              21.368711166826085,
              133.28175811954227
            ],
            [
              -157.75174834715386,
              21.368753163077805,
              51.861758119542266
            ]
          ]
        ]
      },
      "bbox": [
        -157.7517483,
        21.36871117,
        51.86175812,
        -157.7460736,
        21.37349843,
        133.2817581
      ],
      "properties": {
        "datetime": "2013-09-21T00:53:24Z",
        "pc:count": 1216733,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629812.6671,
            "count": 1216733,
            "maximum": 629999.8451,
            "minimum": 629415.5851,
            "name": "X",
            "position": 0,
            "stddev": 144.7242483,
            "variance": 20945.10805
          },
          {
            "average": 2363786.46,
            "count": 1216733,
            "maximum": 2363998.471,
            "minimum": 2363473.151,
            "name": "Y",
            "position": 1,
            "stddev": 145.3298651,
            "variance": 21120.7697
          },
          {
            "average": 77.01339066,
            "count": 1216733,
            "maximum": 133.2817581,
            "minimum": 51.86175812,
            "name": "Z",
            "position": 2,
            "stddev": 15.31619345,
            "variance": 234.5857817
          },
          {
            "average": 14.45675345,
            "count": 1216733,
            "maximum": 617,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.65304496,
            "variance": 658.0787155
          },
          {
            "average": 1.823825769,
            "count": 1216733,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.110701452,
            "variance": 1.233657716
          },
          {
            "average": 2.646010259,
            "count": 1216733,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.598395978,
            "variance": 2.554869704
          },
          {
            "average": 1,
            "count": 1216733,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1216733,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.175027718,
            "count": 1216733,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3799909662,
            "variance": 0.1443931344
          },
          {
            "average": 20.41610616,
            "count": 1216733,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.512629358,
            "variance": 6.313306293
          },
          {
            "average": 91.49203071,
            "count": 1216733,
            "maximum": 205,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.39338847,
            "variance": 4408.082033
          },
          {
            "average": 4.811384256,
            "count": 1216733,
            "maximum": 5,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.405971045,
            "variance": 0.1648124894
          },
          {
            "average": 63759863.22,
            "count": 1216733,
            "maximum": 63760004.73,
            "minimum": 63758855.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 288.0964724,
            "variance": 82999.57741
          },
          {
            "average": 0,
            "count": 1216733,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1216733,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1216733,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1216733,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1216733,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629415.5851,
          2363473.151,
          51.86175812,
          629999.8451,
          2363998.471,
          133.2817581
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629415.5851493116,
                2363473.15111777,
                51.861758119542266
              ],
              [
                629415.5851493116,
                2363998.4711177703,
                51.861758119542266
              ],
              [
                629999.8451493116,
                2363998.4711177703,
                133.28175811954227
              ],
              [
                629999.8451493116,
                2363473.15111777,
                133.28175811954227
              ],
              [
                629415.5851493116,
                2363473.15111777,
                51.861758119542266
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:53:24+00:00",
        "end_time": "2013-09-21T00:34:15+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2963.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2963.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2963.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2963.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7517483,
            21.36871117,
            51.86175812,
            -157.7460736,
            21.37349843,
            133.2817581
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75174834715386,
                  21.368753163077805,
                  51.861758119542266
                ],
                [
                  -157.75170815800368,
                  21.373498426927153,
                  51.861758119542266
                ],
                [
                  -157.74607363664396,
                  21.37345642047481,
                  133.28175811954227
                ],
                [
                  -157.74611400643687,
                  21.368711166826085,
                  133.28175811954227
                ],
                [
                  -157.75174834715386,
                  21.368753163077805,
                  51.861758119542266
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2963.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2963.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:53:24Z",
            "pc:count": 1216733,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629812.6671,
                "count": 1216733,
                "maximum": 629999.8451,
                "minimum": 629415.5851,
                "name": "X",
                "position": 0,
                "stddev": 144.7242483,
                "variance": 20945.10805
              },
              {
                "average": 2363786.46,
                "count": 1216733,
                "maximum": 2363998.471,
                "minimum": 2363473.151,
                "name": "Y",
                "position": 1,
                "stddev": 145.3298651,
                "variance": 21120.7697
              },
              {
                "average": 77.01339066,
                "count": 1216733,
                "maximum": 133.2817581,
                "minimum": 51.86175812,
                "name": "Z",
                "position": 2,
                "stddev": 15.31619345,
                "variance": 234.5857817
              },
              {
                "average": 14.45675345,
                "count": 1216733,
                "maximum": 617,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.65304496,
                "variance": 658.0787155
              },
              {
                "average": 1.823825769,
                "count": 1216733,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.110701452,
                "variance": 1.233657716
              },
              {
                "average": 2.646010259,
                "count": 1216733,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.598395978,
                "variance": 2.554869704
              },
              {
                "average": 1,
                "count": 1216733,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1216733,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.175027718,
                "count": 1216733,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3799909662,
                "variance": 0.1443931344
              },
              {
                "average": 20.41610616,
                "count": 1216733,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.512629358,
                "variance": 6.313306293
              },
              {
                "average": 91.49203071,
                "count": 1216733,
                "maximum": 205,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.39338847,
                "variance": 4408.082033
              },
              {
                "average": 4.811384256,
                "count": 1216733,
                "maximum": 5,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.405971045,
                "variance": 0.1648124894
              },
              {
                "average": 63759863.22,
                "count": 1216733,
                "maximum": 63760004.73,
                "minimum": 63758855.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 288.0964724,
                "variance": 82999.57741
              },
              {
                "average": 0,
                "count": 1216733,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1216733,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1216733,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1216733,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1216733,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629415.5851,
              2363473.151,
              51.86175812,
              629999.8451,
              2363998.471,
              133.2817581
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629415.5851493116,
                    2363473.15111777,
                    51.861758119542266
                  ],
                  [
                    629415.5851493116,
                    2363998.4711177703,
                    51.861758119542266
                  ],
                  [
                    629999.8451493116,
                    2363998.4711177703,
                    133.28175811954227
                  ],
                  [
                    629999.8451493116,
                    2363473.15111777,
                    133.28175811954227
                  ],
                  [
                    629415.5851493116,
                    2363473.15111777,
                    51.861758119542266
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:53:24+00:00",
            "end_time": "2013-09-21T00:34:15+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3754.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6793744800912,
              21.282609566038307,
              -11.149256092803725
            ],
            [
              -157.67929380803687,
              21.291642678251737,
              -11.149256092803725
            ],
            [
              -157.66965519784904,
              21.291566778840703,
              182.1907439071963
            ],
            [
              -157.6697364579057,
              21.282533701872303,
              182.1907439071963
            ],
            [
              -157.6793744800912,
              21.282609566038307,
              -11.149256092803725
            ]
          ]
        ]
      },
      "bbox": [
        -157.6793745,
        21.2825337,
        -11.14925609,
        -157.6696552,
        21.29164268,
        182.1907439
      ],
      "properties": {
        "datetime": "2013-09-22T19:56:23Z",
        "pc:count": 9276515,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637395.627,
            "count": 9276515,
            "maximum": 638000.0599,
            "minimum": 637000.0199,
            "name": "X",
            "position": 0,
            "stddev": 289.4229726,
            "variance": 83765.65704
          },
          {
            "average": 2354568.633,
            "count": 9276515,
            "maximum": 2354998.491,
            "minimum": 2353998.471,
            "name": "Y",
            "position": 1,
            "stddev": 270.092214,
            "variance": 72949.80408
          },
          {
            "average": 55.36497078,
            "count": 9276515,
            "maximum": 182.1907439,
            "minimum": -11.14925609,
            "name": "Z",
            "position": 2,
            "stddev": 48.41968626,
            "variance": 2344.466017
          },
          {
            "average": 16.99041084,
            "count": 9276515,
            "maximum": 7388,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.54399455,
            "variance": 1125.19957
          },
          {
            "average": 1.694111097,
            "count": 9276515,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.021933515,
            "variance": 1.044348108
          },
          {
            "average": 2.38788931,
            "count": 9276515,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.489133929,
            "variance": 2.21751986
          },
          {
            "average": 1,
            "count": 9276515,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9276515,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.272533705,
            "count": 9276515,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.383574809,
            "variance": 54.51717697
          },
          {
            "average": 20.37181997,
            "count": 9276515,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.861431627,
            "variance": 14.91065421
          },
          {
            "average": 91.21698073,
            "count": 9276515,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.30704512,
            "variance": 4396.624233
          },
          {
            "average": 11.8127204,
            "count": 9276515,
            "maximum": 28,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.931885089,
            "variance": 48.05103089
          },
          {
            "average": 63791780.24,
            "count": 9276515,
            "maximum": 63914983.77,
            "minimum": 63384963.15,
            "name": "GpsTime",
            "position": 12,
            "stddev": 221689.0936,
            "variance": 49146054220.0
          },
          {
            "average": 0,
            "count": 9276515,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9276515,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9276515,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9276515,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9276515,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.0199,
          2353998.471,
          -11.14925609,
          638000.0599,
          2354998.491,
          182.1907439
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0198869684,
                2353998.470596909,
                -11.149256092803725
              ],
              [
                637000.0198869684,
                2354998.4905969086,
                -11.149256092803725
              ],
              [
                638000.0598869685,
                2354998.4905969086,
                182.1907439071963
              ],
              [
                638000.0598869685,
                2353998.470596909,
                182.1907439071963
              ],
              [
                637000.0198869684,
                2353998.470596909,
                -11.149256092803725
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:56:23+00:00",
        "end_time": "2013-09-16T16:42:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3754.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3754.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3754.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3754.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6793745,
            21.2825337,
            -11.14925609,
            -157.6696552,
            21.29164268,
            182.1907439
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6793744800912,
                  21.282609566038307,
                  -11.149256092803725
                ],
                [
                  -157.67929380803687,
                  21.291642678251737,
                  -11.149256092803725
                ],
                [
                  -157.66965519784904,
                  21.291566778840703,
                  182.1907439071963
                ],
                [
                  -157.6697364579057,
                  21.282533701872303,
                  182.1907439071963
                ],
                [
                  -157.6793744800912,
                  21.282609566038307,
                  -11.149256092803725
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3754.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3754.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:56:23Z",
            "pc:count": 9276515,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637395.627,
                "count": 9276515,
                "maximum": 638000.0599,
                "minimum": 637000.0199,
                "name": "X",
                "position": 0,
                "stddev": 289.4229726,
                "variance": 83765.65704
              },
              {
                "average": 2354568.633,
                "count": 9276515,
                "maximum": 2354998.491,
                "minimum": 2353998.471,
                "name": "Y",
                "position": 1,
                "stddev": 270.092214,
                "variance": 72949.80408
              },
              {
                "average": 55.36497078,
                "count": 9276515,
                "maximum": 182.1907439,
                "minimum": -11.14925609,
                "name": "Z",
                "position": 2,
                "stddev": 48.41968626,
                "variance": 2344.466017
              },
              {
                "average": 16.99041084,
                "count": 9276515,
                "maximum": 7388,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.54399455,
                "variance": 1125.19957
              },
              {
                "average": 1.694111097,
                "count": 9276515,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.021933515,
                "variance": 1.044348108
              },
              {
                "average": 2.38788931,
                "count": 9276515,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.489133929,
                "variance": 2.21751986
              },
              {
                "average": 1,
                "count": 9276515,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9276515,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.272533705,
                "count": 9276515,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.383574809,
                "variance": 54.51717697
              },
              {
                "average": 20.37181997,
                "count": 9276515,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.861431627,
                "variance": 14.91065421
              },
              {
                "average": 91.21698073,
                "count": 9276515,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.30704512,
                "variance": 4396.624233
              },
              {
                "average": 11.8127204,
                "count": 9276515,
                "maximum": 28,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.931885089,
                "variance": 48.05103089
              },
              {
                "average": 63791780.24,
                "count": 9276515,
                "maximum": 63914983.77,
                "minimum": 63384963.15,
                "name": "GpsTime",
                "position": 12,
                "stddev": 221689.0936,
                "variance": 49146054220.0
              },
              {
                "average": 0,
                "count": 9276515,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9276515,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9276515,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9276515,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9276515,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.0199,
              2353998.471,
              -11.14925609,
              638000.0599,
              2354998.491,
              182.1907439
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0198869684,
                    2353998.470596909,
                    -11.149256092803725
                  ],
                  [
                    637000.0198869684,
                    2354998.4905969086,
                    -11.149256092803725
                  ],
                  [
                    638000.0598869685,
                    2354998.4905969086,
                    182.1907439071963
                  ],
                  [
                    638000.0598869685,
                    2353998.470596909,
                    182.1907439071963
                  ],
                  [
                    637000.0198869684,
                    2353998.470596909,
                    -11.149256092803725
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:56:23+00:00",
            "end_time": "2013-09-16T16:42:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3167.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73619711479392,
              21.400483073682388,
              -6.147796428319015
            ],
            [
              -157.73611946610706,
              21.409516255147373,
              -6.147796428319015
            ],
            [
              -157.7264728967093,
              21.40944323034744,
              27.952203571680986
            ],
            [
              -157.7265511371703,
              21.40041008234069,
              27.952203571680986
            ],
            [
              -157.73619711479392,
              21.400483073682388,
              -6.147796428319015
            ]
          ]
        ]
      },
      "bbox": [
        -157.7361971,
        21.40041008,
        -6.147796428,
        -157.7264729,
        21.40951626,
        27.95220357
      ],
      "properties": {
        "datetime": "2013-09-20T02:20:03Z",
        "pc:count": 4211032,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631491.8415,
            "count": 4211032,
            "maximum": 631999.9087,
            "minimum": 630999.8687,
            "name": "X",
            "position": 0,
            "stddev": 291.5312326,
            "variance": 84990.45957
          },
          {
            "average": 2367509.177,
            "count": 4211032,
            "maximum": 2367998.483,
            "minimum": 2366998.463,
            "name": "Y",
            "position": 1,
            "stddev": 296.312294,
            "variance": 87800.97555
          },
          {
            "average": -2.609098933,
            "count": 4211032,
            "maximum": 27.95220357,
            "minimum": -6.147796428,
            "name": "Z",
            "position": 2,
            "stddev": 2.411514404,
            "variance": 5.815401718
          },
          {
            "average": 15.75242862,
            "count": 4211032,
            "maximum": 8707,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.69822895,
            "variance": 1823.138756
          },
          {
            "average": 1.033091176,
            "count": 4211032,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2330846534,
            "variance": 0.05432845563
          },
          {
            "average": 1.060691298,
            "count": 4211032,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3591633672,
            "variance": 0.1289983243
          },
          {
            "average": 1,
            "count": 4211032,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4211032,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 27.64651895,
            "count": 4211032,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.97905805,
            "variance": 35.74913516
          },
          {
            "average": 20.00094093,
            "count": 4211032,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.923242286,
            "variance": 3.69886089
          },
          {
            "average": 89.93608526,
            "count": 4211032,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.68202229,
            "variance": 4717.220186
          },
          {
            "average": 6.957789682,
            "count": 4211032,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.814970598,
            "variance": 3.294118271
          },
          {
            "average": 63657800.06,
            "count": 4211032,
            "maximum": 63678803.24,
            "minimum": 63595141.13,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4026.638918,
            "variance": 16213820.98
          },
          {
            "average": 0,
            "count": 4211032,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4211032,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4211032,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4211032,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4211032,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8687,
          2366998.463,
          -6.147796428,
          631999.9087,
          2367998.483,
          27.95220357
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8687078368,
                2366998.4634911325,
                -6.147796428319015
              ],
              [
                630999.8687078368,
                2367998.483491132,
                -6.147796428319015
              ],
              [
                631999.9087078369,
                2367998.483491132,
                27.952203571680986
              ],
              [
                631999.9087078369,
                2366998.4634911325,
                27.952203571680986
              ],
              [
                630999.8687078368,
                2366998.4634911325,
                -6.147796428319015
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:20:03+00:00",
        "end_time": "2013-09-19T03:05:41+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3167.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3167.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3167.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3167.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7361971,
            21.40041008,
            -6.147796428,
            -157.7264729,
            21.40951626,
            27.95220357
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73619711479392,
                  21.400483073682388,
                  -6.147796428319015
                ],
                [
                  -157.73611946610706,
                  21.409516255147373,
                  -6.147796428319015
                ],
                [
                  -157.7264728967093,
                  21.40944323034744,
                  27.952203571680986
                ],
                [
                  -157.7265511371703,
                  21.40041008234069,
                  27.952203571680986
                ],
                [
                  -157.73619711479392,
                  21.400483073682388,
                  -6.147796428319015
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3167.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3167.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:20:03Z",
            "pc:count": 4211032,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631491.8415,
                "count": 4211032,
                "maximum": 631999.9087,
                "minimum": 630999.8687,
                "name": "X",
                "position": 0,
                "stddev": 291.5312326,
                "variance": 84990.45957
              },
              {
                "average": 2367509.177,
                "count": 4211032,
                "maximum": 2367998.483,
                "minimum": 2366998.463,
                "name": "Y",
                "position": 1,
                "stddev": 296.312294,
                "variance": 87800.97555
              },
              {
                "average": -2.609098933,
                "count": 4211032,
                "maximum": 27.95220357,
                "minimum": -6.147796428,
                "name": "Z",
                "position": 2,
                "stddev": 2.411514404,
                "variance": 5.815401718
              },
              {
                "average": 15.75242862,
                "count": 4211032,
                "maximum": 8707,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.69822895,
                "variance": 1823.138756
              },
              {
                "average": 1.033091176,
                "count": 4211032,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2330846534,
                "variance": 0.05432845563
              },
              {
                "average": 1.060691298,
                "count": 4211032,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3591633672,
                "variance": 0.1289983243
              },
              {
                "average": 1,
                "count": 4211032,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4211032,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 27.64651895,
                "count": 4211032,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.97905805,
                "variance": 35.74913516
              },
              {
                "average": 20.00094093,
                "count": 4211032,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.923242286,
                "variance": 3.69886089
              },
              {
                "average": 89.93608526,
                "count": 4211032,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.68202229,
                "variance": 4717.220186
              },
              {
                "average": 6.957789682,
                "count": 4211032,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.814970598,
                "variance": 3.294118271
              },
              {
                "average": 63657800.06,
                "count": 4211032,
                "maximum": 63678803.24,
                "minimum": 63595141.13,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4026.638918,
                "variance": 16213820.98
              },
              {
                "average": 0,
                "count": 4211032,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4211032,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4211032,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4211032,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4211032,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8687,
              2366998.463,
              -6.147796428,
              631999.9087,
              2367998.483,
              27.95220357
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8687078368,
                    2366998.4634911325,
                    -6.147796428319015
                  ],
                  [
                    630999.8687078368,
                    2367998.483491132,
                    -6.147796428319015
                  ],
                  [
                    631999.9087078369,
                    2367998.483491132,
                    27.952203571680986
                  ],
                  [
                    631999.9087078369,
                    2366998.4634911325,
                    27.952203571680986
                  ],
                  [
                    630999.8687078368,
                    2366998.4634911325,
                    -6.147796428319015
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:20:03+00:00",
            "end_time": "2013-09-19T03:05:41+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2964.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7557176512677,
              21.37352815170694,
              31.17197793377096
            ],
            [
              -157.7556414809831,
              21.38256124516119,
              31.17197793377096
            ],
            [
              -157.7459968407204,
              21.382489428714837,
              99.61197793377096
            ],
            [
              -157.74607359246104,
              21.373456368483886,
              99.61197793377096
            ],
            [
              -157.7557176512677,
              21.37352815170694,
              31.17197793377096
            ]
          ]
        ]
      },
      "bbox": [
        -157.7557177,
        21.37345637,
        31.17197793,
        -157.7459968,
        21.38256125,
        99.61197793
      ],
      "properties": {
        "datetime": "2013-09-21T00:53:16Z",
        "pc:count": 6208524,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629559.3897,
            "count": 6208524,
            "maximum": 629999.8498,
            "minimum": 628999.8298,
            "name": "X",
            "position": 0,
            "stddev": 285.3352267,
            "variance": 81416.19161
          },
          {
            "average": 2364546.079,
            "count": 6208524,
            "maximum": 2364998.465,
            "minimum": 2363998.465,
            "name": "Y",
            "position": 1,
            "stddev": 273.8374597,
            "variance": 74986.95433
          },
          {
            "average": 51.40257358,
            "count": 6208524,
            "maximum": 99.61197793,
            "minimum": 31.17197793,
            "name": "Z",
            "position": 2,
            "stddev": 10.53098441,
            "variance": 110.9016327
          },
          {
            "average": 25.01951237,
            "count": 6208524,
            "maximum": 817,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.74905934,
            "variance": 1827.482074
          },
          {
            "average": 1.492088941,
            "count": 6208524,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8833714339,
            "variance": 0.7803450902
          },
          {
            "average": 1.984979522,
            "count": 6208524,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.32083289,
            "variance": 1.744599523
          },
          {
            "average": 1,
            "count": 6208524,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6208524,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.213727288,
            "count": 6208524,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4099365338,
            "variance": 0.1680479617
          },
          {
            "average": 20.0762789,
            "count": 6208524,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.492375956,
            "variance": 6.211937904
          },
          {
            "average": 91.79401046,
            "count": 6208524,
            "maximum": 216,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.40133995,
            "variance": 4277.335267
          },
          {
            "average": 3.20425821,
            "count": 6208524,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.528995363,
            "variance": 2.33782682
          },
          {
            "average": 63758620.46,
            "count": 6208524,
            "maximum": 63759996.85,
            "minimum": 63745442.83,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1829.18421,
            "variance": 3345914.874
          },
          {
            "average": 0,
            "count": 6208524,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6208524,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6208524,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6208524,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6208524,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8298,
          2363998.465,
          31.17197793,
          629999.8498,
          2364998.465,
          99.61197793
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.829776345,
                2363998.4653990595,
                31.17197793377096
              ],
              [
                628999.829776345,
                2364998.4653990595,
                31.17197793377096
              ],
              [
                629999.8497763451,
                2364998.4653990595,
                99.61197793377096
              ],
              [
                629999.8497763451,
                2363998.4653990595,
                99.61197793377096
              ],
              [
                628999.829776345,
                2363998.4653990595,
                31.17197793377096
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:53:16+00:00",
        "end_time": "2013-09-20T20:50:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2964.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2964.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2964.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2964.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7557177,
            21.37345637,
            31.17197793,
            -157.7459968,
            21.38256125,
            99.61197793
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7557176512677,
                  21.37352815170694,
                  31.17197793377096
                ],
                [
                  -157.7556414809831,
                  21.38256124516119,
                  31.17197793377096
                ],
                [
                  -157.7459968407204,
                  21.382489428714837,
                  99.61197793377096
                ],
                [
                  -157.74607359246104,
                  21.373456368483886,
                  99.61197793377096
                ],
                [
                  -157.7557176512677,
                  21.37352815170694,
                  31.17197793377096
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2964.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2964.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:53:16Z",
            "pc:count": 6208524,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629559.3897,
                "count": 6208524,
                "maximum": 629999.8498,
                "minimum": 628999.8298,
                "name": "X",
                "position": 0,
                "stddev": 285.3352267,
                "variance": 81416.19161
              },
              {
                "average": 2364546.079,
                "count": 6208524,
                "maximum": 2364998.465,
                "minimum": 2363998.465,
                "name": "Y",
                "position": 1,
                "stddev": 273.8374597,
                "variance": 74986.95433
              },
              {
                "average": 51.40257358,
                "count": 6208524,
                "maximum": 99.61197793,
                "minimum": 31.17197793,
                "name": "Z",
                "position": 2,
                "stddev": 10.53098441,
                "variance": 110.9016327
              },
              {
                "average": 25.01951237,
                "count": 6208524,
                "maximum": 817,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.74905934,
                "variance": 1827.482074
              },
              {
                "average": 1.492088941,
                "count": 6208524,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8833714339,
                "variance": 0.7803450902
              },
              {
                "average": 1.984979522,
                "count": 6208524,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.32083289,
                "variance": 1.744599523
              },
              {
                "average": 1,
                "count": 6208524,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6208524,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.213727288,
                "count": 6208524,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4099365338,
                "variance": 0.1680479617
              },
              {
                "average": 20.0762789,
                "count": 6208524,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.492375956,
                "variance": 6.211937904
              },
              {
                "average": 91.79401046,
                "count": 6208524,
                "maximum": 216,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.40133995,
                "variance": 4277.335267
              },
              {
                "average": 3.20425821,
                "count": 6208524,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.528995363,
                "variance": 2.33782682
              },
              {
                "average": 63758620.46,
                "count": 6208524,
                "maximum": 63759996.85,
                "minimum": 63745442.83,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1829.18421,
                "variance": 3345914.874
              },
              {
                "average": 0,
                "count": 6208524,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6208524,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6208524,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6208524,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6208524,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8298,
              2363998.465,
              31.17197793,
              629999.8498,
              2364998.465,
              99.61197793
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.829776345,
                    2363998.4653990595,
                    31.17197793377096
                  ],
                  [
                    628999.829776345,
                    2364998.4653990595,
                    31.17197793377096
                  ],
                  [
                    629999.8497763451,
                    2364998.4653990595,
                    99.61197793377096
                  ],
                  [
                    629999.8497763451,
                    2363998.4653990595,
                    99.61197793377096
                  ],
                  [
                    628999.829776345,
                    2363998.4653990595,
                    31.17197793377096
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:53:16+00:00",
            "end_time": "2013-09-20T20:50:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3451.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70852497942622,
              21.255735559672793,
              -57.40311175449459
            ],
            [
              -157.70844620794756,
              21.26476772258047,
              -57.40311175449459
            ],
            [
              -157.69880923339804,
              21.264693581482177,
              206.2968882455054
            ],
            [
              -157.69888859210937,
              21.255661453111163,
              206.2968882455054
            ],
            [
              -157.70852497942622,
              21.255735559672793,
              -57.40311175449459
            ]
          ]
        ]
      },
      "bbox": [
        -157.708525,
        21.25566145,
        -57.40311175,
        -157.6988092,
        21.26476772,
        206.2968882
      ],
      "properties": {
        "datetime": "2013-09-22T18:11:43Z",
        "pc:count": 10814342,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634480.3373,
            "count": 10814342,
            "maximum": 634999.968,
            "minimum": 633999.928,
            "name": "X",
            "position": 0,
            "stddev": 297.1984324,
            "variance": 88326.90821
          },
          {
            "average": 2351668.966,
            "count": 10814342,
            "maximum": 2351998.468,
            "minimum": 2350998.568,
            "name": "Y",
            "position": 1,
            "stddev": 170.3728653,
            "variance": 29026.91322
          },
          {
            "average": 90.47364817,
            "count": 10814342,
            "maximum": 206.2968882,
            "minimum": -57.40311175,
            "name": "Z",
            "position": 2,
            "stddev": 51.80444405,
            "variance": 2683.700423
          },
          {
            "average": 61.75847897,
            "count": 10814342,
            "maximum": 8763,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 325.8438921,
            "variance": 106174.242
          },
          {
            "average": 1.522148181,
            "count": 10814342,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9035482845,
            "variance": 0.8163995025
          },
          {
            "average": 2.044289611,
            "count": 10814342,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.358120436,
            "variance": 1.844491117
          },
          {
            "average": 1,
            "count": 10814342,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10814342,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.749837114,
            "count": 10814342,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.618145077,
            "variance": 43.79984426
          },
          {
            "average": 19.81623594,
            "count": 10814342,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.822143638,
            "variance": 7.964494716
          },
          {
            "average": 95.2600443,
            "count": 10814342,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.58438062,
            "variance": 4982.154788
          },
          {
            "average": 7.242340681,
            "count": 10814342,
            "maximum": 18,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.914865279,
            "variance": 24.15590071
          },
          {
            "average": 63272938.2,
            "count": 10814342,
            "maximum": 63908703.95,
            "minimum": 62897256.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 430963.713,
            "variance": 185729721900.0
          },
          {
            "average": 0,
            "count": 10814342,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10814342,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10814342,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10814342,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10814342,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.928,
          2350998.568,
          -57.40311175,
          634999.968,
          2351998.468,
          206.2968882
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.9280477475,
                2350998.567845458,
                -57.40311175449459
              ],
              [
                633999.9280477475,
                2351998.4678454585,
                -57.40311175449459
              ],
              [
                634999.9680477475,
                2351998.4678454585,
                206.2968882455054
              ],
              [
                634999.9680477475,
                2350998.567845458,
                206.2968882455054
              ],
              [
                633999.9280477475,
                2350998.567845458,
                -57.40311175449459
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:11:43+00:00",
        "end_time": "2013-09-11T01:14:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3451.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3451.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3451.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3451.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.708525,
            21.25566145,
            -57.40311175,
            -157.6988092,
            21.26476772,
            206.2968882
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70852497942622,
                  21.255735559672793,
                  -57.40311175449459
                ],
                [
                  -157.70844620794756,
                  21.26476772258047,
                  -57.40311175449459
                ],
                [
                  -157.69880923339804,
                  21.264693581482177,
                  206.2968882455054
                ],
                [
                  -157.69888859210937,
                  21.255661453111163,
                  206.2968882455054
                ],
                [
                  -157.70852497942622,
                  21.255735559672793,
                  -57.40311175449459
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3451.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3451.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:11:43Z",
            "pc:count": 10814342,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634480.3373,
                "count": 10814342,
                "maximum": 634999.968,
                "minimum": 633999.928,
                "name": "X",
                "position": 0,
                "stddev": 297.1984324,
                "variance": 88326.90821
              },
              {
                "average": 2351668.966,
                "count": 10814342,
                "maximum": 2351998.468,
                "minimum": 2350998.568,
                "name": "Y",
                "position": 1,
                "stddev": 170.3728653,
                "variance": 29026.91322
              },
              {
                "average": 90.47364817,
                "count": 10814342,
                "maximum": 206.2968882,
                "minimum": -57.40311175,
                "name": "Z",
                "position": 2,
                "stddev": 51.80444405,
                "variance": 2683.700423
              },
              {
                "average": 61.75847897,
                "count": 10814342,
                "maximum": 8763,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 325.8438921,
                "variance": 106174.242
              },
              {
                "average": 1.522148181,
                "count": 10814342,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9035482845,
                "variance": 0.8163995025
              },
              {
                "average": 2.044289611,
                "count": 10814342,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.358120436,
                "variance": 1.844491117
              },
              {
                "average": 1,
                "count": 10814342,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10814342,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.749837114,
                "count": 10814342,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.618145077,
                "variance": 43.79984426
              },
              {
                "average": 19.81623594,
                "count": 10814342,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.822143638,
                "variance": 7.964494716
              },
              {
                "average": 95.2600443,
                "count": 10814342,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.58438062,
                "variance": 4982.154788
              },
              {
                "average": 7.242340681,
                "count": 10814342,
                "maximum": 18,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.914865279,
                "variance": 24.15590071
              },
              {
                "average": 63272938.2,
                "count": 10814342,
                "maximum": 63908703.95,
                "minimum": 62897256.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 430963.713,
                "variance": 185729721900.0
              },
              {
                "average": 0,
                "count": 10814342,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10814342,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10814342,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10814342,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10814342,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.928,
              2350998.568,
              -57.40311175,
              634999.968,
              2351998.468,
              206.2968882
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.9280477475,
                    2350998.567845458,
                    -57.40311175449459
                  ],
                  [
                    633999.9280477475,
                    2351998.4678454585,
                    -57.40311175449459
                  ],
                  [
                    634999.9680477475,
                    2351998.4678454585,
                    206.2968882455054
                  ],
                  [
                    634999.9680477475,
                    2350998.567845458,
                    206.2968882455054
                  ],
                  [
                    633999.9280477475,
                    2350998.567845458,
                    -57.40311175449459
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:11:43+00:00",
            "end_time": "2013-09-11T01:14:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3266.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72662944440654,
              21.391377204635145,
              -3.457821015168967
            ],
            [
              -157.72655126351088,
              21.40041018214032,
              -3.457821015168967
            ],
            [
              -157.7169052233377,
              21.40033664243643,
              83.78217898483103
            ],
            [
              -157.71698400211793,
              21.391303697654674,
              83.78217898483103
            ],
            [
              -157.72662944440654,
              21.391377204635145,
              -3.457821015168967
            ]
          ]
        ]
      },
      "bbox": [
        -157.7266294,
        21.3913037,
        -3.457821015,
        -157.7169052,
        21.40041018,
        83.78217898
      ],
      "properties": {
        "datetime": "2013-09-20T02:20:24Z",
        "pc:count": 5844803,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632471.4796,
            "count": 5844803,
            "maximum": 632999.9355,
            "minimum": 631999.8955,
            "name": "X",
            "position": 0,
            "stddev": 287.2126006,
            "variance": 82491.07796
          },
          {
            "average": 2366407.546,
            "count": 5844803,
            "maximum": 2366998.474,
            "minimum": 2365998.474,
            "name": "Y",
            "position": 1,
            "stddev": 274.1819039,
            "variance": 75175.71643
          },
          {
            "average": 11.88811108,
            "count": 5844803,
            "maximum": 83.78217898,
            "minimum": -3.457821015,
            "name": "Z",
            "position": 2,
            "stddev": 14.6729224,
            "variance": 215.2946516
          },
          {
            "average": 18.68721786,
            "count": 5844803,
            "maximum": 7754,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.39934831,
            "variance": 1713.906041
          },
          {
            "average": 1.45861751,
            "count": 5844803,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8639134743,
            "variance": 0.7463464911
          },
          {
            "average": 1.918283473,
            "count": 5844803,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.306251446,
            "variance": 1.706292839
          },
          {
            "average": 1,
            "count": 5844803,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5844803,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.396332947,
            "count": 5844803,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.6902227,
            "variance": 161.0417522
          },
          {
            "average": 20.14153702,
            "count": 5844803,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.212650055,
            "variance": 4.895820265
          },
          {
            "average": 90.12542972,
            "count": 5844803,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.04629219,
            "variance": 4630.29788
          },
          {
            "average": 7.560443012,
            "count": 5844803,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.774913454,
            "variance": 3.150317768
          },
          {
            "average": 63658227.88,
            "count": 5844803,
            "maximum": 63678824.81,
            "minimum": 63655082.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3440.36644,
            "variance": 11836121.24
          },
          {
            "average": 0,
            "count": 5844803,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5844803,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5844803,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5844803,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5844803,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.8955,
          2365998.474,
          -3.457821015,
          632999.9355,
          2366998.474,
          83.78217898
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.8955208401,
                2365998.474432545,
                -3.457821015168967
              ],
              [
                631999.8955208401,
                2366998.474432545,
                -3.457821015168967
              ],
              [
                632999.9355208401,
                2366998.474432545,
                83.78217898483103
              ],
              [
                632999.9355208401,
                2365998.474432545,
                83.78217898483103
              ],
              [
                631999.8955208401,
                2365998.474432545,
                -3.457821015168967
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:20:24+00:00",
        "end_time": "2013-09-19T19:44:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3266.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3266.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3266.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3266.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7266294,
            21.3913037,
            -3.457821015,
            -157.7169052,
            21.40041018,
            83.78217898
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72662944440654,
                  21.391377204635145,
                  -3.457821015168967
                ],
                [
                  -157.72655126351088,
                  21.40041018214032,
                  -3.457821015168967
                ],
                [
                  -157.7169052233377,
                  21.40033664243643,
                  83.78217898483103
                ],
                [
                  -157.71698400211793,
                  21.391303697654674,
                  83.78217898483103
                ],
                [
                  -157.72662944440654,
                  21.391377204635145,
                  -3.457821015168967
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3266.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3266.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:20:24Z",
            "pc:count": 5844803,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632471.4796,
                "count": 5844803,
                "maximum": 632999.9355,
                "minimum": 631999.8955,
                "name": "X",
                "position": 0,
                "stddev": 287.2126006,
                "variance": 82491.07796
              },
              {
                "average": 2366407.546,
                "count": 5844803,
                "maximum": 2366998.474,
                "minimum": 2365998.474,
                "name": "Y",
                "position": 1,
                "stddev": 274.1819039,
                "variance": 75175.71643
              },
              {
                "average": 11.88811108,
                "count": 5844803,
                "maximum": 83.78217898,
                "minimum": -3.457821015,
                "name": "Z",
                "position": 2,
                "stddev": 14.6729224,
                "variance": 215.2946516
              },
              {
                "average": 18.68721786,
                "count": 5844803,
                "maximum": 7754,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.39934831,
                "variance": 1713.906041
              },
              {
                "average": 1.45861751,
                "count": 5844803,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8639134743,
                "variance": 0.7463464911
              },
              {
                "average": 1.918283473,
                "count": 5844803,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.306251446,
                "variance": 1.706292839
              },
              {
                "average": 1,
                "count": 5844803,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5844803,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.396332947,
                "count": 5844803,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.6902227,
                "variance": 161.0417522
              },
              {
                "average": 20.14153702,
                "count": 5844803,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.212650055,
                "variance": 4.895820265
              },
              {
                "average": 90.12542972,
                "count": 5844803,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.04629219,
                "variance": 4630.29788
              },
              {
                "average": 7.560443012,
                "count": 5844803,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.774913454,
                "variance": 3.150317768
              },
              {
                "average": 63658227.88,
                "count": 5844803,
                "maximum": 63678824.81,
                "minimum": 63655082.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3440.36644,
                "variance": 11836121.24
              },
              {
                "average": 0,
                "count": 5844803,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5844803,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5844803,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5844803,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5844803,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.8955,
              2365998.474,
              -3.457821015,
              632999.9355,
              2366998.474,
              83.78217898
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.8955208401,
                    2365998.474432545,
                    -3.457821015168967
                  ],
                  [
                    631999.8955208401,
                    2366998.474432545,
                    -3.457821015168967
                  ],
                  [
                    632999.9355208401,
                    2366998.474432545,
                    83.78217898483103
                  ],
                  [
                    632999.9355208401,
                    2365998.474432545,
                    83.78217898483103
                  ],
                  [
                    631999.8955208401,
                    2365998.474432545,
                    -3.457821015168967
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:20:24+00:00",
            "end_time": "2013-09-19T19:44:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3066.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7459198547155,
              21.391522410078625,
              0.308830835006418
            ],
            [
              -157.74584285651096,
              21.400555635015863,
              0.308830835006418
            ],
            [
              -157.73619705439626,
              21.400483198531933,
              54.14883083500642
            ],
            [
              -157.7362746440164,
              21.391450006964348,
              54.14883083500642
            ],
            [
              -157.7459198547155,
              21.391522410078625,
              0.308830835006418
            ]
          ]
        ]
      },
      "bbox": [
        -157.7459199,
        21.39145001,
        0.308830835,
        -157.7361971,
        21.40055564,
        54.14883084
      ],
      "properties": {
        "datetime": "2013-09-20T20:10:37Z",
        "pc:count": 6535421,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630502.2656,
            "count": 6535421,
            "maximum": 630999.8749,
            "minimum": 629999.8549,
            "name": "X",
            "position": 0,
            "stddev": 292.3244074,
            "variance": 85453.55915
          },
          {
            "average": 2366505.291,
            "count": 6535421,
            "maximum": 2366998.477,
            "minimum": 2365998.457,
            "name": "Y",
            "position": 1,
            "stddev": 287.8205292,
            "variance": 82840.65706
          },
          {
            "average": 6.745218624,
            "count": 6535421,
            "maximum": 54.14883084,
            "minimum": 0.308830835,
            "name": "Z",
            "position": 2,
            "stddev": 3.780169644,
            "variance": 14.28968254
          },
          {
            "average": 32.12552734,
            "count": 6535421,
            "maximum": 948,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 53.78198649,
            "variance": 2892.502071
          },
          {
            "average": 1.376762262,
            "count": 6535421,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.742867591,
            "variance": 0.5518522577
          },
          {
            "average": 1.754396236,
            "count": 6535421,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.102275118,
            "variance": 1.215010436
          },
          {
            "average": 1,
            "count": 6535421,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6535421,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.214073432,
            "count": 6535421,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4101780384,
            "variance": 0.1682460232
          },
          {
            "average": 20.05790922,
            "count": 6535421,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.174404078,
            "variance": 4.728033094
          },
          {
            "average": 91.50050471,
            "count": 6535421,
            "maximum": 208,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.28304279,
            "variance": 4261.875676
          },
          {
            "average": 2.73694166,
            "count": 6535421,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.319929177,
            "variance": 1.742213032
          },
          {
            "average": 63735001.47,
            "count": 6535421,
            "maximum": 63743037.62,
            "minimum": 63678797.07,
            "name": "GpsTime",
            "position": 12,
            "stddev": 18632.01212,
            "variance": 347151875.6
          },
          {
            "average": 0,
            "count": 6535421,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6535421,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6535421,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6535421,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6535421,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8549,
          2365998.457,
          0.308830835,
          630999.8749,
          2366998.477,
          54.14883084
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8548578979,
                2365998.457362123,
                0.308830835006418
              ],
              [
                629999.8548578979,
                2366998.4773621224,
                0.308830835006418
              ],
              [
                630999.8748578979,
                2366998.4773621224,
                54.14883083500642
              ],
              [
                630999.8748578979,
                2365998.457362123,
                54.14883083500642
              ],
              [
                629999.8548578979,
                2365998.457362123,
                0.308830835006418
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:10:37+00:00",
        "end_time": "2013-09-20T02:19:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3066.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3066.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3066.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3066.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7459199,
            21.39145001,
            0.308830835,
            -157.7361971,
            21.40055564,
            54.14883084
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7459198547155,
                  21.391522410078625,
                  0.308830835006418
                ],
                [
                  -157.74584285651096,
                  21.400555635015863,
                  0.308830835006418
                ],
                [
                  -157.73619705439626,
                  21.400483198531933,
                  54.14883083500642
                ],
                [
                  -157.7362746440164,
                  21.391450006964348,
                  54.14883083500642
                ],
                [
                  -157.7459198547155,
                  21.391522410078625,
                  0.308830835006418
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3066.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3066.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:10:37Z",
            "pc:count": 6535421,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630502.2656,
                "count": 6535421,
                "maximum": 630999.8749,
                "minimum": 629999.8549,
                "name": "X",
                "position": 0,
                "stddev": 292.3244074,
                "variance": 85453.55915
              },
              {
                "average": 2366505.291,
                "count": 6535421,
                "maximum": 2366998.477,
                "minimum": 2365998.457,
                "name": "Y",
                "position": 1,
                "stddev": 287.8205292,
                "variance": 82840.65706
              },
              {
                "average": 6.745218624,
                "count": 6535421,
                "maximum": 54.14883084,
                "minimum": 0.308830835,
                "name": "Z",
                "position": 2,
                "stddev": 3.780169644,
                "variance": 14.28968254
              },
              {
                "average": 32.12552734,
                "count": 6535421,
                "maximum": 948,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 53.78198649,
                "variance": 2892.502071
              },
              {
                "average": 1.376762262,
                "count": 6535421,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.742867591,
                "variance": 0.5518522577
              },
              {
                "average": 1.754396236,
                "count": 6535421,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.102275118,
                "variance": 1.215010436
              },
              {
                "average": 1,
                "count": 6535421,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6535421,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.214073432,
                "count": 6535421,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4101780384,
                "variance": 0.1682460232
              },
              {
                "average": 20.05790922,
                "count": 6535421,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.174404078,
                "variance": 4.728033094
              },
              {
                "average": 91.50050471,
                "count": 6535421,
                "maximum": 208,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.28304279,
                "variance": 4261.875676
              },
              {
                "average": 2.73694166,
                "count": 6535421,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.319929177,
                "variance": 1.742213032
              },
              {
                "average": 63735001.47,
                "count": 6535421,
                "maximum": 63743037.62,
                "minimum": 63678797.07,
                "name": "GpsTime",
                "position": 12,
                "stddev": 18632.01212,
                "variance": 347151875.6
              },
              {
                "average": 0,
                "count": 6535421,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6535421,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6535421,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6535421,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6535421,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8549,
              2365998.457,
              0.308830835,
              630999.8749,
              2366998.477,
              54.14883084
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8548578979,
                    2365998.457362123,
                    0.308830835006418
                  ],
                  [
                    629999.8548578979,
                    2366998.4773621224,
                    0.308830835006418
                  ],
                  [
                    630999.8748578979,
                    2366998.4773621224,
                    54.14883083500642
                  ],
                  [
                    630999.8748578979,
                    2365998.457362123,
                    54.14883083500642
                  ],
                  [
                    629999.8548578979,
                    2365998.457362123,
                    0.308830835006418
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:10:37+00:00",
            "end_time": "2013-09-20T02:19:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2852.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.76626786332247,
              21.26520059233368,
              -12.433491503275034
            ],
            [
              -157.76619256711473,
              21.274234030995594,
              -12.433491503275034
            ],
            [
              -157.75655495251746,
              21.27416316376526,
              25.286508496724963
            ],
            [
              -157.75663083645696,
              21.265129758145996,
              25.286508496724963
            ],
            [
              -157.76626786332247,
              21.26520059233368,
              -12.433491503275034
            ]
          ]
        ]
      },
      "bbox": [
        -157.7662679,
        21.26512976,
        -12.4334915,
        -157.756555,
        21.27423403,
        25.2865085
      ],
      "properties": {
        "datetime": "2013-09-22T20:09:54Z",
        "pc:count": 13543090,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628536.7678,
            "count": 13543090,
            "maximum": 628999.8179,
            "minimum": 627999.7979,
            "name": "X",
            "position": 0,
            "stddev": 290.0241751,
            "variance": 84114.02212
          },
          {
            "average": 2352374.94,
            "count": 13543090,
            "maximum": 2352998.444,
            "minimum": 2351998.424,
            "name": "Y",
            "position": 1,
            "stddev": 269.5940584,
            "variance": 72680.95632
          },
          {
            "average": -5.187724796,
            "count": 13543090,
            "maximum": 25.2865085,
            "minimum": -12.4334915,
            "name": "Z",
            "position": 2,
            "stddev": 3.972035388,
            "variance": 15.77706513
          },
          {
            "average": 11.11958423,
            "count": 13543090,
            "maximum": 4514,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.17925509,
            "variance": 1308.938499
          },
          {
            "average": 1.018500652,
            "count": 13543090,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1564079295,
            "variance": 0.0244634404
          },
          {
            "average": 1.030379256,
            "count": 13543090,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2216782197,
            "variance": 0.04914123307
          },
          {
            "average": 1,
            "count": 13543090,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13543090,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.62682431,
            "count": 13543090,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.205657304,
            "variance": 10.27623875
          },
          {
            "average": 20.17391897,
            "count": 13543090,
            "maximum": 34.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.274708626,
            "variance": 10.72371659
          },
          {
            "average": 90.98665186,
            "count": 13543090,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.41564376,
            "variance": 4279.206448
          },
          {
            "average": 8.358238408,
            "count": 13543090,
            "maximum": 14,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.805477277,
            "variance": 7.87070275
          },
          {
            "average": 63565670.02,
            "count": 13543090,
            "maximum": 63915794.11,
            "minimum": 63379691.16,
            "name": "GpsTime",
            "position": 12,
            "stddev": 253061.3324,
            "variance": 64040037950.0
          },
          {
            "average": 0,
            "count": 13543090,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13543090,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13543090,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13543090,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13543090,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.7979,
          2351998.424,
          -12.4334915,
          628999.8179,
          2352998.444,
          25.2865085
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.7979305175,
                2351998.423530465,
                -12.433491503275034
              ],
              [
                627999.7979305175,
                2352998.4435304645,
                -12.433491503275034
              ],
              [
                628999.8179305175,
                2352998.4435304645,
                25.286508496724963
              ],
              [
                628999.8179305175,
                2351998.423530465,
                25.286508496724963
              ],
              [
                627999.7979305175,
                2351998.423530465,
                -12.433491503275034
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:09:54+00:00",
        "end_time": "2013-09-16T15:14:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2852.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2852.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2852.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2852.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7662679,
            21.26512976,
            -12.4334915,
            -157.756555,
            21.27423403,
            25.2865085
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.76626786332247,
                  21.26520059233368,
                  -12.433491503275034
                ],
                [
                  -157.76619256711473,
                  21.274234030995594,
                  -12.433491503275034
                ],
                [
                  -157.75655495251746,
                  21.27416316376526,
                  25.286508496724963
                ],
                [
                  -157.75663083645696,
                  21.265129758145996,
                  25.286508496724963
                ],
                [
                  -157.76626786332247,
                  21.26520059233368,
                  -12.433491503275034
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2852.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2852.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:09:54Z",
            "pc:count": 13543090,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628536.7678,
                "count": 13543090,
                "maximum": 628999.8179,
                "minimum": 627999.7979,
                "name": "X",
                "position": 0,
                "stddev": 290.0241751,
                "variance": 84114.02212
              },
              {
                "average": 2352374.94,
                "count": 13543090,
                "maximum": 2352998.444,
                "minimum": 2351998.424,
                "name": "Y",
                "position": 1,
                "stddev": 269.5940584,
                "variance": 72680.95632
              },
              {
                "average": -5.187724796,
                "count": 13543090,
                "maximum": 25.2865085,
                "minimum": -12.4334915,
                "name": "Z",
                "position": 2,
                "stddev": 3.972035388,
                "variance": 15.77706513
              },
              {
                "average": 11.11958423,
                "count": 13543090,
                "maximum": 4514,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.17925509,
                "variance": 1308.938499
              },
              {
                "average": 1.018500652,
                "count": 13543090,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1564079295,
                "variance": 0.0244634404
              },
              {
                "average": 1.030379256,
                "count": 13543090,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2216782197,
                "variance": 0.04914123307
              },
              {
                "average": 1,
                "count": 13543090,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13543090,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.62682431,
                "count": 13543090,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.205657304,
                "variance": 10.27623875
              },
              {
                "average": 20.17391897,
                "count": 13543090,
                "maximum": 34.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.274708626,
                "variance": 10.72371659
              },
              {
                "average": 90.98665186,
                "count": 13543090,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.41564376,
                "variance": 4279.206448
              },
              {
                "average": 8.358238408,
                "count": 13543090,
                "maximum": 14,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.805477277,
                "variance": 7.87070275
              },
              {
                "average": 63565670.02,
                "count": 13543090,
                "maximum": 63915794.11,
                "minimum": 63379691.16,
                "name": "GpsTime",
                "position": 12,
                "stddev": 253061.3324,
                "variance": 64040037950.0
              },
              {
                "average": 0,
                "count": 13543090,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13543090,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13543090,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13543090,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13543090,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.7979,
              2351998.424,
              -12.4334915,
              628999.8179,
              2352998.444,
              25.2865085
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.7979305175,
                    2351998.423530465,
                    -12.433491503275034
                  ],
                  [
                    627999.7979305175,
                    2352998.4435304645,
                    -12.433491503275034
                  ],
                  [
                    628999.8179305175,
                    2352998.4435304645,
                    25.286508496724963
                  ],
                  [
                    628999.8179305175,
                    2351998.423530465,
                    25.286508496724963
                  ],
                  [
                    627999.7979305175,
                    2351998.423530465,
                    -12.433491503275034
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:09:54+00:00",
            "end_time": "2013-09-16T15:14:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3168.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73611931733143,
              21.409516174176805,
              -13.254806927917524
            ],
            [
              -157.7360416111291,
              21.41854916487409,
              -13.254806927917524
            ],
            [
              -157.72639464401212,
              21.41847610801992,
              -2.174806927917524
            ],
            [
              -157.72647294086266,
              21.40944315083456,
              -2.174806927917524
            ],
            [
              -157.73611931733143,
              21.409516174176805,
              -13.254806927917524
            ]
          ]
        ]
      },
      "bbox": [
        -157.7361193,
        21.40944315,
        -13.25480693,
        -157.7263946,
        21.41854916,
        -2.174806928
      ],
      "properties": {
        "datetime": "2013-09-19T20:19:53Z",
        "pc:count": 2629781,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631446.0029,
            "count": 2629781,
            "maximum": 631999.9042,
            "minimum": 630999.8842,
            "name": "X",
            "position": 0,
            "stddev": 284.2171953,
            "variance": 80779.41412
          },
          {
            "average": 2368325.866,
            "count": 2629781,
            "maximum": 2368998.475,
            "minimum": 2367998.475,
            "name": "Y",
            "position": 1,
            "stddev": 237.8988477,
            "variance": 56595.86173
          },
          {
            "average": -4.440588695,
            "count": 2629781,
            "maximum": -2.174806928,
            "minimum": -13.25480693,
            "name": "Z",
            "position": 2,
            "stddev": 1.218191392,
            "variance": 1.483990267
          },
          {
            "average": 14.95022171,
            "count": 2629781,
            "maximum": 8406,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 44.29343513,
            "variance": 1961.908395
          },
          {
            "average": 1.034418075,
            "count": 2629781,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1850252092,
            "variance": 0.03423432804
          },
          {
            "average": 1.03893366,
            "count": 2629781,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1965183605,
            "variance": 0.03861946601
          },
          {
            "average": 1,
            "count": 2629781,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2629781,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2629781,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.09005478,
            "count": 2629781,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.080310601,
            "variance": 4.327692196
          },
          {
            "average": 97.66300236,
            "count": 2629781,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 69.55634763,
            "variance": 4838.085496
          },
          {
            "average": 5.196661623,
            "count": 2629781,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.32292066,
            "variance": 1.750119071
          },
          {
            "average": 63646043.05,
            "count": 2629781,
            "maximum": 63657193.78,
            "minimum": 63591799.73,
            "name": "GpsTime",
            "position": 12,
            "stddev": 22247.1632,
            "variance": 494936270.4
          },
          {
            "average": 0,
            "count": 2629781,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2629781,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2629781,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2629781,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2629781,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8842,
          2367998.475,
          -13.25480693,
          631999.9042,
          2368998.475,
          -2.174806928
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8842022663,
                2367998.4746520463,
                -13.254806927917524
              ],
              [
                630999.8842022663,
                2368998.4746520463,
                -13.254806927917524
              ],
              [
                631999.9042022664,
                2368998.4746520463,
                -2.174806927917524
              ],
              [
                631999.9042022664,
                2367998.4746520463,
                -2.174806927917524
              ],
              [
                630999.8842022663,
                2367998.4746520463,
                -13.254806927917524
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:19:53+00:00",
        "end_time": "2013-09-19T02:09:59+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3168.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3168.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3168.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3168.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7361193,
            21.40944315,
            -13.25480693,
            -157.7263946,
            21.41854916,
            -2.174806928
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73611931733143,
                  21.409516174176805,
                  -13.254806927917524
                ],
                [
                  -157.7360416111291,
                  21.41854916487409,
                  -13.254806927917524
                ],
                [
                  -157.72639464401212,
                  21.41847610801992,
                  -2.174806927917524
                ],
                [
                  -157.72647294086266,
                  21.40944315083456,
                  -2.174806927917524
                ],
                [
                  -157.73611931733143,
                  21.409516174176805,
                  -13.254806927917524
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3168.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3168.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:19:53Z",
            "pc:count": 2629781,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631446.0029,
                "count": 2629781,
                "maximum": 631999.9042,
                "minimum": 630999.8842,
                "name": "X",
                "position": 0,
                "stddev": 284.2171953,
                "variance": 80779.41412
              },
              {
                "average": 2368325.866,
                "count": 2629781,
                "maximum": 2368998.475,
                "minimum": 2367998.475,
                "name": "Y",
                "position": 1,
                "stddev": 237.8988477,
                "variance": 56595.86173
              },
              {
                "average": -4.440588695,
                "count": 2629781,
                "maximum": -2.174806928,
                "minimum": -13.25480693,
                "name": "Z",
                "position": 2,
                "stddev": 1.218191392,
                "variance": 1.483990267
              },
              {
                "average": 14.95022171,
                "count": 2629781,
                "maximum": 8406,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 44.29343513,
                "variance": 1961.908395
              },
              {
                "average": 1.034418075,
                "count": 2629781,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1850252092,
                "variance": 0.03423432804
              },
              {
                "average": 1.03893366,
                "count": 2629781,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1965183605,
                "variance": 0.03861946601
              },
              {
                "average": 1,
                "count": 2629781,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2629781,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2629781,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.09005478,
                "count": 2629781,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.080310601,
                "variance": 4.327692196
              },
              {
                "average": 97.66300236,
                "count": 2629781,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 69.55634763,
                "variance": 4838.085496
              },
              {
                "average": 5.196661623,
                "count": 2629781,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.32292066,
                "variance": 1.750119071
              },
              {
                "average": 63646043.05,
                "count": 2629781,
                "maximum": 63657193.78,
                "minimum": 63591799.73,
                "name": "GpsTime",
                "position": 12,
                "stddev": 22247.1632,
                "variance": 494936270.4
              },
              {
                "average": 0,
                "count": 2629781,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2629781,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2629781,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2629781,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2629781,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8842,
              2367998.475,
              -13.25480693,
              631999.9042,
              2368998.475,
              -2.174806928
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8842022663,
                    2367998.4746520463,
                    -13.254806927917524
                  ],
                  [
                    630999.8842022663,
                    2368998.4746520463,
                    -13.254806927917524
                  ],
                  [
                    631999.9042022664,
                    2368998.4746520463,
                    -2.174806927917524
                  ],
                  [
                    631999.9042022664,
                    2367998.4746520463,
                    -2.174806927917524
                  ],
                  [
                    630999.8842022663,
                    2367998.4746520463,
                    -13.254806927917524
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:19:53+00:00",
            "end_time": "2013-09-19T02:09:59+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3169.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73604161609552,
              21.418549242507616,
              -11.223827755309147
            ],
            [
              -157.73596378044164,
              21.427582216742863,
              -11.223827755309147
            ],
            [
              -157.72631623093355,
              21.427509126462997,
              -2.663827755309146
            ],
            [
              -157.7263946489735,
              21.418476185653482,
              -2.663827755309146
            ],
            [
              -157.73604161609552,
              21.418549242507616,
              -11.223827755309147
            ]
          ]
        ]
      },
      "bbox": [
        -157.7360416,
        21.41847619,
        -11.22382776,
        -157.7263162,
        21.42758222,
        -2.663827755
      ],
      "properties": {
        "datetime": "2013-09-19T19:33:56Z",
        "pc:count": 961270,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631365.9767,
            "count": 961270,
            "maximum": 631999.9036,
            "minimum": 630999.8836,
            "name": "X",
            "position": 0,
            "stddev": 340.4070732,
            "variance": 115876.9755
          },
          {
            "average": 2369579.851,
            "count": 961270,
            "maximum": 2369998.483,
            "minimum": 2368998.483,
            "name": "Y",
            "position": 1,
            "stddev": 287.2829582,
            "variance": 82531.49809
          },
          {
            "average": -4.964201407,
            "count": 961270,
            "maximum": -2.663827755,
            "minimum": -11.22382776,
            "name": "Z",
            "position": 2,
            "stddev": 0.7414734706,
            "variance": 0.5497829076
          },
          {
            "average": 5.149377386,
            "count": 961270,
            "maximum": 456,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 17.05133009,
            "variance": 290.7478579
          },
          {
            "average": 1.096993561,
            "count": 961270,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2980961226,
            "variance": 0.08886129834
          },
          {
            "average": 1.097646863,
            "count": 961270,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2991790702,
            "variance": 0.08950811605
          },
          {
            "average": 1,
            "count": 961270,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 961270,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 961270,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.96343684,
            "count": 961270,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.399858719,
            "variance": 5.75932187
          },
          {
            "average": 128.9198966,
            "count": 961270,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 79.65069033,
            "variance": 6344.232471
          },
          {
            "average": 3.42052181,
            "count": 961270,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.404159713,
            "variance": 5.779983924
          },
          {
            "average": 63592971.75,
            "count": 961270,
            "maximum": 63654436.14,
            "minimum": 63591800.62,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2197.420683,
            "variance": 4828657.659
          },
          {
            "average": 0,
            "count": 961270,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 961270,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 961270,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 961270,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 961270,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8836,
          2368998.483,
          -11.22382776,
          631999.9036,
          2369998.483,
          -2.663827755
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8836182205,
                2368998.483241789,
                -11.223827755309147
              ],
              [
                630999.8836182205,
                2369998.483241789,
                -11.223827755309147
              ],
              [
                631999.9036182205,
                2369998.483241789,
                -2.663827755309146
              ],
              [
                631999.9036182205,
                2368998.483241789,
                -2.663827755309146
              ],
              [
                630999.8836182205,
                2368998.483241789,
                -11.223827755309147
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:33:56+00:00",
        "end_time": "2013-09-19T02:10:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3169.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3169.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3169.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3169.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7360416,
            21.41847619,
            -11.22382776,
            -157.7263162,
            21.42758222,
            -2.663827755
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73604161609552,
                  21.418549242507616,
                  -11.223827755309147
                ],
                [
                  -157.73596378044164,
                  21.427582216742863,
                  -11.223827755309147
                ],
                [
                  -157.72631623093355,
                  21.427509126462997,
                  -2.663827755309146
                ],
                [
                  -157.7263946489735,
                  21.418476185653482,
                  -2.663827755309146
                ],
                [
                  -157.73604161609552,
                  21.418549242507616,
                  -11.223827755309147
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3169.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3169.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:33:56Z",
            "pc:count": 961270,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631365.9767,
                "count": 961270,
                "maximum": 631999.9036,
                "minimum": 630999.8836,
                "name": "X",
                "position": 0,
                "stddev": 340.4070732,
                "variance": 115876.9755
              },
              {
                "average": 2369579.851,
                "count": 961270,
                "maximum": 2369998.483,
                "minimum": 2368998.483,
                "name": "Y",
                "position": 1,
                "stddev": 287.2829582,
                "variance": 82531.49809
              },
              {
                "average": -4.964201407,
                "count": 961270,
                "maximum": -2.663827755,
                "minimum": -11.22382776,
                "name": "Z",
                "position": 2,
                "stddev": 0.7414734706,
                "variance": 0.5497829076
              },
              {
                "average": 5.149377386,
                "count": 961270,
                "maximum": 456,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 17.05133009,
                "variance": 290.7478579
              },
              {
                "average": 1.096993561,
                "count": 961270,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2980961226,
                "variance": 0.08886129834
              },
              {
                "average": 1.097646863,
                "count": 961270,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2991790702,
                "variance": 0.08950811605
              },
              {
                "average": 1,
                "count": 961270,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 961270,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 961270,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.96343684,
                "count": 961270,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.399858719,
                "variance": 5.75932187
              },
              {
                "average": 128.9198966,
                "count": 961270,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 79.65069033,
                "variance": 6344.232471
              },
              {
                "average": 3.42052181,
                "count": 961270,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.404159713,
                "variance": 5.779983924
              },
              {
                "average": 63592971.75,
                "count": 961270,
                "maximum": 63654436.14,
                "minimum": 63591800.62,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2197.420683,
                "variance": 4828657.659
              },
              {
                "average": 0,
                "count": 961270,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 961270,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 961270,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 961270,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 961270,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8836,
              2368998.483,
              -11.22382776,
              631999.9036,
              2369998.483,
              -2.663827755
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8836182205,
                    2368998.483241789,
                    -11.223827755309147
                  ],
                  [
                    630999.8836182205,
                    2369998.483241789,
                    -11.223827755309147
                  ],
                  [
                    631999.9036182205,
                    2369998.483241789,
                    -2.663827755309146
                  ],
                  [
                    631999.9036182205,
                    2368998.483241789,
                    -2.663827755309146
                  ],
                  [
                    630999.8836182205,
                    2368998.483241789,
                    -11.223827755309147
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:33:56+00:00",
            "end_time": "2013-09-19T02:10:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3267.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72655122408418,
              21.400410133126478,
              -10.859022106374795
            ],
            [
              -157.7264729836282,
              21.409443281133466,
              -10.859022106374795
            ],
            [
              -157.71682635152138,
              21.40936970857313,
              0.420977893625206
            ],
            [
              -157.7169051839144,
              21.400336593420477,
              0.420977893625206
            ],
            [
              -157.72655122408418,
              21.400410133126478,
              -10.859022106374795
            ]
          ]
        ]
      },
      "bbox": [
        -157.7265512,
        21.40033659,
        -10.85902211,
        -157.7168264,
        21.40944328,
        0.4209778936
      ],
      "properties": {
        "datetime": "2013-09-19T20:20:15Z",
        "pc:count": 4319485,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632499.3983,
            "count": 4319485,
            "maximum": 632999.9397,
            "minimum": 631999.8997,
            "name": "X",
            "position": 0,
            "stddev": 284.2595836,
            "variance": 80803.51088
          },
          {
            "average": 2367513.467,
            "count": 4319485,
            "maximum": 2367998.489,
            "minimum": 2366998.469,
            "name": "Y",
            "position": 1,
            "stddev": 278.200159,
            "variance": 77395.32847
          },
          {
            "average": -3.700313332,
            "count": 4319485,
            "maximum": 0.4209778936,
            "minimum": -10.85902211,
            "name": "Z",
            "position": 2,
            "stddev": 1.834796822,
            "variance": 3.366479379
          },
          {
            "average": 9.468574147,
            "count": 4319485,
            "maximum": 8844,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.78861011,
            "variance": 887.3612926
          },
          {
            "average": 1.070633652,
            "count": 4319485,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2629904108,
            "variance": 0.0691639562
          },
          {
            "average": 1.141775466,
            "count": 4319485,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3639013338,
            "variance": 0.1324241807
          },
          {
            "average": 1,
            "count": 4319485,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4319485,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4319485,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.08032421,
            "count": 4319485,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.384480427,
            "variance": 5.685746907
          },
          {
            "average": 92.20329738,
            "count": 4319485,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 68.00321561,
            "variance": 4624.437334
          },
          {
            "average": 5.994895225,
            "count": 4319485,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.580072204,
            "variance": 2.496628171
          },
          {
            "average": 63626501.69,
            "count": 4319485,
            "maximum": 63657215.67,
            "minimum": 63591778.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 30425.67947,
            "variance": 925721971.4
          },
          {
            "average": 0,
            "count": 4319485,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4319485,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4319485,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4319485,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4319485,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.8997,
          2366998.469,
          -10.85902211,
          632999.9397,
          2367998.489,
          0.4209778936
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.8996521024,
                2366998.4690399496,
                -10.859022106374795
              ],
              [
                631999.8996521024,
                2367998.489039949,
                -10.859022106374795
              ],
              [
                632999.9396521024,
                2367998.489039949,
                0.420977893625206
              ],
              [
                632999.9396521024,
                2366998.4690399496,
                0.420977893625206
              ],
              [
                631999.8996521024,
                2366998.4690399496,
                -10.859022106374795
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:20:15+00:00",
        "end_time": "2013-09-19T02:09:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3267.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3267.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3267.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3267.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7265512,
            21.40033659,
            -10.85902211,
            -157.7168264,
            21.40944328,
            0.4209778936
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72655122408418,
                  21.400410133126478,
                  -10.859022106374795
                ],
                [
                  -157.7264729836282,
                  21.409443281133466,
                  -10.859022106374795
                ],
                [
                  -157.71682635152138,
                  21.40936970857313,
                  0.420977893625206
                ],
                [
                  -157.7169051839144,
                  21.400336593420477,
                  0.420977893625206
                ],
                [
                  -157.72655122408418,
                  21.400410133126478,
                  -10.859022106374795
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3267.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3267.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:20:15Z",
            "pc:count": 4319485,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632499.3983,
                "count": 4319485,
                "maximum": 632999.9397,
                "minimum": 631999.8997,
                "name": "X",
                "position": 0,
                "stddev": 284.2595836,
                "variance": 80803.51088
              },
              {
                "average": 2367513.467,
                "count": 4319485,
                "maximum": 2367998.489,
                "minimum": 2366998.469,
                "name": "Y",
                "position": 1,
                "stddev": 278.200159,
                "variance": 77395.32847
              },
              {
                "average": -3.700313332,
                "count": 4319485,
                "maximum": 0.4209778936,
                "minimum": -10.85902211,
                "name": "Z",
                "position": 2,
                "stddev": 1.834796822,
                "variance": 3.366479379
              },
              {
                "average": 9.468574147,
                "count": 4319485,
                "maximum": 8844,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.78861011,
                "variance": 887.3612926
              },
              {
                "average": 1.070633652,
                "count": 4319485,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2629904108,
                "variance": 0.0691639562
              },
              {
                "average": 1.141775466,
                "count": 4319485,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3639013338,
                "variance": 0.1324241807
              },
              {
                "average": 1,
                "count": 4319485,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4319485,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4319485,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.08032421,
                "count": 4319485,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.384480427,
                "variance": 5.685746907
              },
              {
                "average": 92.20329738,
                "count": 4319485,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 68.00321561,
                "variance": 4624.437334
              },
              {
                "average": 5.994895225,
                "count": 4319485,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.580072204,
                "variance": 2.496628171
              },
              {
                "average": 63626501.69,
                "count": 4319485,
                "maximum": 63657215.67,
                "minimum": 63591778.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 30425.67947,
                "variance": 925721971.4
              },
              {
                "average": 0,
                "count": 4319485,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4319485,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4319485,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4319485,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4319485,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.8997,
              2366998.469,
              -10.85902211,
              632999.9397,
              2367998.489,
              0.4209778936
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.8996521024,
                    2366998.4690399496,
                    -10.859022106374795
                  ],
                  [
                    631999.8996521024,
                    2367998.489039949,
                    -10.859022106374795
                  ],
                  [
                    632999.9396521024,
                    2367998.489039949,
                    0.420977893625206
                  ],
                  [
                    632999.9396521024,
                    2366998.4690399496,
                    0.420977893625206
                  ],
                  [
                    631999.8996521024,
                    2366998.4690399496,
                    -10.859022106374795
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:20:15+00:00",
            "end_time": "2013-09-19T02:09:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3170.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7359637825736,
              21.427582083419306,
              -13.224741317953349
            ],
            [
              -157.73588597136072,
              21.43661523586481,
              -13.224741317953349
            ],
            [
              -157.72623783189164,
              21.43654211192079,
              2.435258682046652
            ],
            [
              -157.7263162330742,
              21.427508993139995,
              2.435258682046652
            ],
            [
              -157.7359637825736,
              21.427582083419306,
              -13.224741317953349
            ]
          ]
        ]
      },
      "bbox": [
        -157.7359638,
        21.42750899,
        -13.22474132,
        -157.7262378,
        21.43661524,
        2.435258682
      ],
      "properties": {
        "datetime": "2013-09-21T01:33:34Z",
        "pc:count": 2322184,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631293.095,
            "count": 2322184,
            "maximum": 631999.9035,
            "minimum": 630999.8835,
            "name": "X",
            "position": 0,
            "stddev": 181.2509863,
            "variance": 32851.92002
          },
          {
            "average": 2370535.818,
            "count": 2322184,
            "maximum": 2370998.488,
            "minimum": 2369998.468,
            "name": "Y",
            "position": 1,
            "stddev": 273.8251242,
            "variance": 74980.19864
          },
          {
            "average": -4.307101432,
            "count": 2322184,
            "maximum": 2.435258682,
            "minimum": -13.22474132,
            "name": "Z",
            "position": 2,
            "stddev": 1.99567236,
            "variance": 3.982708169
          },
          {
            "average": 6.279169954,
            "count": 2322184,
            "maximum": 4841,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.36688889,
            "variance": 236.1412742
          },
          {
            "average": 1.015919066,
            "count": 2322184,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1259958006,
            "variance": 0.01587494177
          },
          {
            "average": 1.019778364,
            "count": 2322184,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1403529982,
            "variance": 0.01969896409
          },
          {
            "average": 1,
            "count": 2322184,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2322184,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.95322076,
            "count": 2322184,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.132307969,
            "variance": 1.282121336
          },
          {
            "average": 19.97455347,
            "count": 2322184,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.431523097,
            "variance": 5.912304571
          },
          {
            "average": 101.9310369,
            "count": 2322184,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 73.44351549,
            "variance": 5393.949968
          },
          {
            "average": 3.007930896,
            "count": 2322184,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.136144241,
            "variance": 1.290823736
          },
          {
            "average": 63620746.88,
            "count": 2322184,
            "maximum": 63762414.07,
            "minimum": 63591821.48,
            "name": "GpsTime",
            "position": 12,
            "stddev": 34669.66425,
            "variance": 1201985619
          },
          {
            "average": 0,
            "count": 2322184,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2322184,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2322184,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2322184,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2322184,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8835,
          2369998.468,
          -13.22474132,
          631999.9035,
          2370998.488,
          2.435258682
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8835162478,
                2369998.468481318,
                -13.224741317953349
              ],
              [
                630999.8835162478,
                2370998.4884813176,
                -13.224741317953349
              ],
              [
                631999.9035162479,
                2370998.4884813176,
                2.435258682046652
              ],
              [
                631999.9035162479,
                2369998.468481318,
                2.435258682046652
              ],
              [
                630999.8835162478,
                2369998.468481318,
                -13.224741317953349
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:33:34+00:00",
        "end_time": "2013-09-19T02:10:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3170.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3170.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3170.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3170.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7359638,
            21.42750899,
            -13.22474132,
            -157.7262378,
            21.43661524,
            2.435258682
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7359637825736,
                  21.427582083419306,
                  -13.224741317953349
                ],
                [
                  -157.73588597136072,
                  21.43661523586481,
                  -13.224741317953349
                ],
                [
                  -157.72623783189164,
                  21.43654211192079,
                  2.435258682046652
                ],
                [
                  -157.7263162330742,
                  21.427508993139995,
                  2.435258682046652
                ],
                [
                  -157.7359637825736,
                  21.427582083419306,
                  -13.224741317953349
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3170.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3170.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:33:34Z",
            "pc:count": 2322184,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631293.095,
                "count": 2322184,
                "maximum": 631999.9035,
                "minimum": 630999.8835,
                "name": "X",
                "position": 0,
                "stddev": 181.2509863,
                "variance": 32851.92002
              },
              {
                "average": 2370535.818,
                "count": 2322184,
                "maximum": 2370998.488,
                "minimum": 2369998.468,
                "name": "Y",
                "position": 1,
                "stddev": 273.8251242,
                "variance": 74980.19864
              },
              {
                "average": -4.307101432,
                "count": 2322184,
                "maximum": 2.435258682,
                "minimum": -13.22474132,
                "name": "Z",
                "position": 2,
                "stddev": 1.99567236,
                "variance": 3.982708169
              },
              {
                "average": 6.279169954,
                "count": 2322184,
                "maximum": 4841,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.36688889,
                "variance": 236.1412742
              },
              {
                "average": 1.015919066,
                "count": 2322184,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1259958006,
                "variance": 0.01587494177
              },
              {
                "average": 1.019778364,
                "count": 2322184,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1403529982,
                "variance": 0.01969896409
              },
              {
                "average": 1,
                "count": 2322184,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2322184,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.95322076,
                "count": 2322184,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.132307969,
                "variance": 1.282121336
              },
              {
                "average": 19.97455347,
                "count": 2322184,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.431523097,
                "variance": 5.912304571
              },
              {
                "average": 101.9310369,
                "count": 2322184,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 73.44351549,
                "variance": 5393.949968
              },
              {
                "average": 3.007930896,
                "count": 2322184,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.136144241,
                "variance": 1.290823736
              },
              {
                "average": 63620746.88,
                "count": 2322184,
                "maximum": 63762414.07,
                "minimum": 63591821.48,
                "name": "GpsTime",
                "position": 12,
                "stddev": 34669.66425,
                "variance": 1201985619
              },
              {
                "average": 0,
                "count": 2322184,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2322184,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2322184,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2322184,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2322184,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8835,
              2369998.468,
              -13.22474132,
              631999.9035,
              2370998.488,
              2.435258682
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8835162478,
                    2369998.468481318,
                    -13.224741317953349
                  ],
                  [
                    630999.8835162478,
                    2370998.4884813176,
                    -13.224741317953349
                  ],
                  [
                    631999.9035162479,
                    2370998.4884813176,
                    2.435258682046652
                  ],
                  [
                    631999.9035162479,
                    2369998.468481318,
                    2.435258682046652
                  ],
                  [
                    630999.8835162478,
                    2369998.468481318,
                    -13.224741317953349
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:33:34+00:00",
            "end_time": "2013-09-19T02:10:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2965.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7556414793987,
              21.382561139741924,
              0.982715530661253
            ],
            [
              -157.75556512916054,
              21.39159440803,
              0.982715530661253
            ],
            [
              -157.7459198999923,
              21.391522558285242,
              94.48271553066125
            ],
            [
              -157.74599683914286,
              21.38248932329581,
              94.48271553066125
            ],
            [
              -157.7556414793987,
              21.382561139741924,
              0.982715530661253
            ]
          ]
        ]
      },
      "bbox": [
        -157.7556415,
        21.38248932,
        0.9827155307,
        -157.7459199,
        21.39159441,
        94.48271553
      ],
      "properties": {
        "datetime": "2013-09-21T00:41:32Z",
        "pc:count": 6911480,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629531.3756,
            "count": 6911480,
            "maximum": 629999.85,
            "minimum": 628999.83,
            "name": "X",
            "position": 0,
            "stddev": 293.5080587,
            "variance": 86146.98053
          },
          {
            "average": 2365509.214,
            "count": 6911480,
            "maximum": 2365998.474,
            "minimum": 2364998.454,
            "name": "Y",
            "position": 1,
            "stddev": 280.4193828,
            "variance": 78635.03027
          },
          {
            "average": 26.51884208,
            "count": 6911480,
            "maximum": 94.48271553,
            "minimum": 0.9827155307,
            "name": "Z",
            "position": 2,
            "stddev": 17.81133462,
            "variance": 317.2436409
          },
          {
            "average": 20.95450584,
            "count": 6911480,
            "maximum": 863,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.08496554,
            "variance": 1230.954807
          },
          {
            "average": 1.488059576,
            "count": 6911480,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8739306065,
            "variance": 0.763754705
          },
          {
            "average": 1.976264418,
            "count": 6911480,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.301148457,
            "variance": 1.692987308
          },
          {
            "average": 1,
            "count": 6911480,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6911480,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.200788543,
            "count": 6911480,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4005902237,
            "variance": 0.1604725273
          },
          {
            "average": 20.12162141,
            "count": 6911480,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.169539842,
            "variance": 4.706903126
          },
          {
            "average": 91.74043924,
            "count": 6911480,
            "maximum": 199,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.50829552,
            "variance": 4291.336782
          },
          {
            "average": 6.608023896,
            "count": 6911480,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.458800832,
            "variance": 11.9633032
          },
          {
            "average": 63748694.17,
            "count": 6911480,
            "maximum": 63759292.81,
            "minimum": 63743031.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6073.653364,
            "variance": 36889265.19
          },
          {
            "average": 0,
            "count": 6911480,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6911480,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6911480,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6911480,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6911480,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.83,
          2364998.454,
          0.9827155307,
          629999.85,
          2365998.474,
          94.48271553
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8300329612,
                2364998.453730751,
                0.982715530661253
              ],
              [
                628999.8300329612,
                2365998.4737307504,
                0.982715530661253
              ],
              [
                629999.8500329612,
                2365998.4737307504,
                94.48271553066125
              ],
              [
                629999.8500329612,
                2364998.453730751,
                94.48271553066125
              ],
              [
                628999.8300329612,
                2364998.453730751,
                0.982715530661253
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:41:32+00:00",
        "end_time": "2013-09-20T20:10:31+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2965.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2965.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2965.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2965.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7556415,
            21.38248932,
            0.9827155307,
            -157.7459199,
            21.39159441,
            94.48271553
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7556414793987,
                  21.382561139741924,
                  0.982715530661253
                ],
                [
                  -157.75556512916054,
                  21.39159440803,
                  0.982715530661253
                ],
                [
                  -157.7459198999923,
                  21.391522558285242,
                  94.48271553066125
                ],
                [
                  -157.74599683914286,
                  21.38248932329581,
                  94.48271553066125
                ],
                [
                  -157.7556414793987,
                  21.382561139741924,
                  0.982715530661253
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2965.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2965.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:41:32Z",
            "pc:count": 6911480,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629531.3756,
                "count": 6911480,
                "maximum": 629999.85,
                "minimum": 628999.83,
                "name": "X",
                "position": 0,
                "stddev": 293.5080587,
                "variance": 86146.98053
              },
              {
                "average": 2365509.214,
                "count": 6911480,
                "maximum": 2365998.474,
                "minimum": 2364998.454,
                "name": "Y",
                "position": 1,
                "stddev": 280.4193828,
                "variance": 78635.03027
              },
              {
                "average": 26.51884208,
                "count": 6911480,
                "maximum": 94.48271553,
                "minimum": 0.9827155307,
                "name": "Z",
                "position": 2,
                "stddev": 17.81133462,
                "variance": 317.2436409
              },
              {
                "average": 20.95450584,
                "count": 6911480,
                "maximum": 863,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.08496554,
                "variance": 1230.954807
              },
              {
                "average": 1.488059576,
                "count": 6911480,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8739306065,
                "variance": 0.763754705
              },
              {
                "average": 1.976264418,
                "count": 6911480,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.301148457,
                "variance": 1.692987308
              },
              {
                "average": 1,
                "count": 6911480,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6911480,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.200788543,
                "count": 6911480,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4005902237,
                "variance": 0.1604725273
              },
              {
                "average": 20.12162141,
                "count": 6911480,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.169539842,
                "variance": 4.706903126
              },
              {
                "average": 91.74043924,
                "count": 6911480,
                "maximum": 199,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.50829552,
                "variance": 4291.336782
              },
              {
                "average": 6.608023896,
                "count": 6911480,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.458800832,
                "variance": 11.9633032
              },
              {
                "average": 63748694.17,
                "count": 6911480,
                "maximum": 63759292.81,
                "minimum": 63743031.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6073.653364,
                "variance": 36889265.19
              },
              {
                "average": 0,
                "count": 6911480,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6911480,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6911480,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6911480,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6911480,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.83,
              2364998.454,
              0.9827155307,
              629999.85,
              2365998.474,
              94.48271553
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8300329612,
                    2364998.453730751,
                    0.982715530661253
                  ],
                  [
                    628999.8300329612,
                    2365998.4737307504,
                    0.982715530661253
                  ],
                  [
                    629999.8500329612,
                    2365998.4737307504,
                    94.48271553066125
                  ],
                  [
                    629999.8500329612,
                    2364998.453730751,
                    94.48271553066125
                  ],
                  [
                    628999.8300329612,
                    2364998.453730751,
                    0.982715530661253
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:41:32+00:00",
            "end_time": "2013-09-20T20:10:31+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3553.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.69872991052804,
              21.27372654032672,
              6.714239908314653
            ],
            [
              -157.6986504652703,
              21.28275973142817,
              6.714239908314653
            ],
            [
              -157.68901235790094,
              21.282684969919586,
              183.29423990831467
            ],
            [
              -157.6890923903951,
              21.273651813602797,
              183.29423990831467
            ],
            [
              -157.69872991052804,
              21.27372654032672,
              6.714239908314653
            ]
          ]
        ]
      },
      "bbox": [
        -157.6987299,
        21.27365181,
        6.714239908,
        -157.6890124,
        21.28275973,
        183.2942399
      ],
      "properties": {
        "datetime": "2013-09-22T20:18:10Z",
        "pc:count": 12809863,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635560.3567,
            "count": 12809863,
            "maximum": 635999.9992,
            "minimum": 634999.9592,
            "name": "X",
            "position": 0,
            "stddev": 278.0747061,
            "variance": 77325.54218
          },
          {
            "average": 2353437.899,
            "count": 12809863,
            "maximum": 2353998.481,
            "minimum": 2352998.461,
            "name": "Y",
            "position": 1,
            "stddev": 277.997955,
            "variance": 77282.86299
          },
          {
            "average": 53.10158164,
            "count": 12809863,
            "maximum": 183.2942399,
            "minimum": 6.714239908,
            "name": "Z",
            "position": 2,
            "stddev": 26.48165108,
            "variance": 701.2778441
          },
          {
            "average": 20.92000117,
            "count": 12809863,
            "maximum": 892,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.13337377,
            "variance": 1234.353953
          },
          {
            "average": 1.638878886,
            "count": 12809863,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9899477881,
            "variance": 0.9799966232
          },
          {
            "average": 2.278620622,
            "count": 12809863,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.456970709,
            "variance": 2.122763646
          },
          {
            "average": 1,
            "count": 12809863,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12809863,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.105063965,
            "count": 12809863,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3066358357,
            "variance": 0.09402553573
          },
          {
            "average": 19.97217277,
            "count": 12809863,
            "maximum": 34.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.486833502,
            "variance": 12.15800787
          },
          {
            "average": 91.16517874,
            "count": 12809863,
            "maximum": 203,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.9531192,
            "variance": 4349.813933
          },
          {
            "average": 16.1384057,
            "count": 12809863,
            "maximum": 24,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.679759403,
            "variance": 21.90014807
          },
          {
            "average": 63640896.42,
            "count": 12809863,
            "maximum": 63916290.46,
            "minimum": 63383688.87,
            "name": "GpsTime",
            "position": 12,
            "stddev": 264617.8602,
            "variance": 70022611910.0
          },
          {
            "average": 0,
            "count": 12809863,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12809863,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12809863,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12809863,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 12809863,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9592,
          2352998.461,
          6.714239908,
          635999.9992,
          2353998.481,
          183.2942399
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9592478396,
                2352998.4608413354,
                6.714239908314653
              ],
              [
                634999.9592478396,
                2353998.480841335,
                6.714239908314653
              ],
              [
                635999.9992478397,
                2353998.480841335,
                183.29423990831467
              ],
              [
                635999.9992478397,
                2352998.4608413354,
                183.29423990831467
              ],
              [
                634999.9592478396,
                2352998.4608413354,
                6.714239908314653
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:18:10+00:00",
        "end_time": "2013-09-16T16:21:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3553.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3553.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3553.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3553.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6987299,
            21.27365181,
            6.714239908,
            -157.6890124,
            21.28275973,
            183.2942399
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.69872991052804,
                  21.27372654032672,
                  6.714239908314653
                ],
                [
                  -157.6986504652703,
                  21.28275973142817,
                  6.714239908314653
                ],
                [
                  -157.68901235790094,
                  21.282684969919586,
                  183.29423990831467
                ],
                [
                  -157.6890923903951,
                  21.273651813602797,
                  183.29423990831467
                ],
                [
                  -157.69872991052804,
                  21.27372654032672,
                  6.714239908314653
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3553.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3553.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:18:10Z",
            "pc:count": 12809863,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635560.3567,
                "count": 12809863,
                "maximum": 635999.9992,
                "minimum": 634999.9592,
                "name": "X",
                "position": 0,
                "stddev": 278.0747061,
                "variance": 77325.54218
              },
              {
                "average": 2353437.899,
                "count": 12809863,
                "maximum": 2353998.481,
                "minimum": 2352998.461,
                "name": "Y",
                "position": 1,
                "stddev": 277.997955,
                "variance": 77282.86299
              },
              {
                "average": 53.10158164,
                "count": 12809863,
                "maximum": 183.2942399,
                "minimum": 6.714239908,
                "name": "Z",
                "position": 2,
                "stddev": 26.48165108,
                "variance": 701.2778441
              },
              {
                "average": 20.92000117,
                "count": 12809863,
                "maximum": 892,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.13337377,
                "variance": 1234.353953
              },
              {
                "average": 1.638878886,
                "count": 12809863,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9899477881,
                "variance": 0.9799966232
              },
              {
                "average": 2.278620622,
                "count": 12809863,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.456970709,
                "variance": 2.122763646
              },
              {
                "average": 1,
                "count": 12809863,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12809863,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.105063965,
                "count": 12809863,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3066358357,
                "variance": 0.09402553573
              },
              {
                "average": 19.97217277,
                "count": 12809863,
                "maximum": 34.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.486833502,
                "variance": 12.15800787
              },
              {
                "average": 91.16517874,
                "count": 12809863,
                "maximum": 203,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.9531192,
                "variance": 4349.813933
              },
              {
                "average": 16.1384057,
                "count": 12809863,
                "maximum": 24,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.679759403,
                "variance": 21.90014807
              },
              {
                "average": 63640896.42,
                "count": 12809863,
                "maximum": 63916290.46,
                "minimum": 63383688.87,
                "name": "GpsTime",
                "position": 12,
                "stddev": 264617.8602,
                "variance": 70022611910.0
              },
              {
                "average": 0,
                "count": 12809863,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12809863,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12809863,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12809863,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 12809863,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9592,
              2352998.461,
              6.714239908,
              635999.9992,
              2353998.481,
              183.2942399
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9592478396,
                    2352998.4608413354,
                    6.714239908314653
                  ],
                  [
                    634999.9592478396,
                    2353998.480841335,
                    6.714239908314653
                  ],
                  [
                    635999.9992478397,
                    2353998.480841335,
                    183.29423990831467
                  ],
                  [
                    635999.9992478397,
                    2352998.4608413354,
                    183.29423990831467
                  ],
                  [
                    634999.9592478396,
                    2352998.4608413354,
                    6.714239908314653
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:18:10+00:00",
            "end_time": "2013-09-16T16:21:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3755.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.67929381840884,
              21.29164249004356,
              11.471323920073445
            ],
            [
              -157.67921310208288,
              21.300675592277884,
              11.471323920073445
            ],
            [
              -157.66957390365837,
              21.300599657601122,
              147.83132392007346
            ],
            [
              -157.66965520823322,
              21.29156659063376,
              147.83132392007346
            ],
            [
              -157.67929381840884,
              21.29164249004356,
              11.471323920073445
            ]
          ]
        ]
      },
      "bbox": [
        -157.6792938,
        21.29156659,
        11.47132392,
        -157.6695739,
        21.30067559,
        147.8313239
      ],
      "properties": {
        "datetime": "2013-09-22T19:29:15Z",
        "pc:count": 7158580,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637465.8514,
            "count": 7158580,
            "maximum": 638000.059,
            "minimum": 637000.019,
            "name": "X",
            "position": 0,
            "stddev": 297.0922236,
            "variance": 88263.7893
          },
          {
            "average": 2355421.525,
            "count": 7158580,
            "maximum": 2355998.49,
            "minimum": 2354998.47,
            "name": "Y",
            "position": 1,
            "stddev": 272.5261592,
            "variance": 74270.50743
          },
          {
            "average": 41.81439443,
            "count": 7158580,
            "maximum": 147.8313239,
            "minimum": 11.47132392,
            "name": "Z",
            "position": 2,
            "stddev": 24.94328219,
            "variance": 622.1673266
          },
          {
            "average": 24.76234253,
            "count": 7158580,
            "maximum": 869,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 38.60193676,
            "variance": 1490.109522
          },
          {
            "average": 1.584793912,
            "count": 7158580,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9477112268,
            "variance": 0.8981565694
          },
          {
            "average": 2.171777224,
            "count": 7158580,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.404876901,
            "variance": 1.973679107
          },
          {
            "average": 1,
            "count": 7158580,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7158580,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.221430088,
            "count": 7158580,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4152093788,
            "variance": 0.1723988283
          },
          {
            "average": 20.06639941,
            "count": 7158580,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.06209598,
            "variance": 9.376431793
          },
          {
            "average": 91.25026975,
            "count": 7158580,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.75658322,
            "variance": 4323.928237
          },
          {
            "average": 5.772479738,
            "count": 7158580,
            "maximum": 29,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.631731299,
            "variance": 21.45293483
          },
          {
            "average": 63785050.35,
            "count": 7158580,
            "maximum": 63913355.59,
            "minimum": 63381950.35,
            "name": "GpsTime",
            "position": 12,
            "stddev": 224133.7677,
            "variance": 50235945800.0
          },
          {
            "average": 0,
            "count": 7158580,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7158580,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7158580,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7158580,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7158580,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.019,
          2354998.47,
          11.47132392,
          638000.059,
          2355998.49,
          147.8313239
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0189853464,
                2354998.469753569,
                11.471323920073445
              ],
              [
                637000.0189853464,
                2355998.4897535685,
                11.471323920073445
              ],
              [
                638000.0589853465,
                2355998.4897535685,
                147.83132392007346
              ],
              [
                638000.0589853465,
                2354998.469753569,
                147.83132392007346
              ],
              [
                637000.0189853464,
                2354998.469753569,
                11.471323920073445
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:29:15+00:00",
        "end_time": "2013-09-16T15:52:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3755.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3755.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3755.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3755.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6792938,
            21.29156659,
            11.47132392,
            -157.6695739,
            21.30067559,
            147.8313239
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.67929381840884,
                  21.29164249004356,
                  11.471323920073445
                ],
                [
                  -157.67921310208288,
                  21.300675592277884,
                  11.471323920073445
                ],
                [
                  -157.66957390365837,
                  21.300599657601122,
                  147.83132392007346
                ],
                [
                  -157.66965520823322,
                  21.29156659063376,
                  147.83132392007346
                ],
                [
                  -157.67929381840884,
                  21.29164249004356,
                  11.471323920073445
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3755.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3755.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:29:15Z",
            "pc:count": 7158580,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637465.8514,
                "count": 7158580,
                "maximum": 638000.059,
                "minimum": 637000.019,
                "name": "X",
                "position": 0,
                "stddev": 297.0922236,
                "variance": 88263.7893
              },
              {
                "average": 2355421.525,
                "count": 7158580,
                "maximum": 2355998.49,
                "minimum": 2354998.47,
                "name": "Y",
                "position": 1,
                "stddev": 272.5261592,
                "variance": 74270.50743
              },
              {
                "average": 41.81439443,
                "count": 7158580,
                "maximum": 147.8313239,
                "minimum": 11.47132392,
                "name": "Z",
                "position": 2,
                "stddev": 24.94328219,
                "variance": 622.1673266
              },
              {
                "average": 24.76234253,
                "count": 7158580,
                "maximum": 869,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 38.60193676,
                "variance": 1490.109522
              },
              {
                "average": 1.584793912,
                "count": 7158580,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9477112268,
                "variance": 0.8981565694
              },
              {
                "average": 2.171777224,
                "count": 7158580,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.404876901,
                "variance": 1.973679107
              },
              {
                "average": 1,
                "count": 7158580,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7158580,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.221430088,
                "count": 7158580,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4152093788,
                "variance": 0.1723988283
              },
              {
                "average": 20.06639941,
                "count": 7158580,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.06209598,
                "variance": 9.376431793
              },
              {
                "average": 91.25026975,
                "count": 7158580,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.75658322,
                "variance": 4323.928237
              },
              {
                "average": 5.772479738,
                "count": 7158580,
                "maximum": 29,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.631731299,
                "variance": 21.45293483
              },
              {
                "average": 63785050.35,
                "count": 7158580,
                "maximum": 63913355.59,
                "minimum": 63381950.35,
                "name": "GpsTime",
                "position": 12,
                "stddev": 224133.7677,
                "variance": 50235945800.0
              },
              {
                "average": 0,
                "count": 7158580,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7158580,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7158580,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7158580,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7158580,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.019,
              2354998.47,
              11.47132392,
              638000.059,
              2355998.49,
              147.8313239
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0189853464,
                    2354998.469753569,
                    11.471323920073445
                  ],
                  [
                    637000.0189853464,
                    2355998.4897535685,
                    11.471323920073445
                  ],
                  [
                    638000.0589853465,
                    2355998.4897535685,
                    147.83132392007346
                  ],
                  [
                    638000.0589853465,
                    2354998.469753569,
                    147.83132392007346
                  ],
                  [
                    637000.0189853464,
                    2354998.469753569,
                    11.471323920073445
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:29:15+00:00",
            "end_time": "2013-09-16T15:52:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3268.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72647301530566,
              21.409443117317135,
              -15.473421241786525
            ],
            [
              -157.7263947200264,
              21.418475893843752,
              -15.473421241786525
            ],
            [
              -157.71674769491088,
              21.418402289780396,
              -3.473421241786525
            ],
            [
              -157.71682657613206,
              21.40936954623621,
              -3.473421241786525
            ],
            [
              -157.72647301530566,
              21.409443117317135,
              -15.473421241786525
            ]
          ]
        ]
      },
      "bbox": [
        -157.726473,
        21.40936955,
        -15.47342124,
        -157.7167477,
        21.41847589,
        -3.473421242
      ],
      "properties": {
        "datetime": "2013-09-19T19:45:08Z",
        "pc:count": 947911,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632335.2829,
            "count": 947911,
            "maximum": 632999.9165,
            "minimum": 631999.8965,
            "name": "X",
            "position": 0,
            "stddev": 239.3558427,
            "variance": 57291.21942
          },
          {
            "average": 2368222.893,
            "count": 947911,
            "maximum": 2368998.451,
            "minimum": 2367998.471,
            "name": "Y",
            "position": 1,
            "stddev": 182.0822693,
            "variance": 33153.95278
          },
          {
            "average": -6.605017151,
            "count": 947911,
            "maximum": -3.473421242,
            "minimum": -15.47342124,
            "name": "Z",
            "position": 2,
            "stddev": 1.198922564,
            "variance": 1.437415314
          },
          {
            "average": 6.086758145,
            "count": 947911,
            "maximum": 1570,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.91636658,
            "variance": 396.6616579
          },
          {
            "average": 1.067943087,
            "count": 947911,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2539684986,
            "variance": 0.06449999831
          },
          {
            "average": 1.072032079,
            "count": 947911,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2612647609,
            "variance": 0.0682592753
          },
          {
            "average": 1,
            "count": 947911,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 947911,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 947911,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.73604971,
            "count": 947911,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.806003853,
            "variance": 7.873657621
          },
          {
            "average": 133.044943,
            "count": 947911,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 82.18031646,
            "variance": 6753.604413
          },
          {
            "average": 5.787094991,
            "count": 947911,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.27902031,
            "variance": 5.193933576
          },
          {
            "average": 63596780.22,
            "count": 947911,
            "maximum": 63655108.11,
            "minimum": 63591779.57,
            "name": "GpsTime",
            "position": 12,
            "stddev": 12803.34069,
            "variance": 163925532.8
          },
          {
            "average": 0,
            "count": 947911,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 947911,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 947911,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 947911,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 947911,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.8965,
          2367998.471,
          -15.47342124,
          632999.9165,
          2368998.451,
          -3.473421242
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.8965155203,
                2367998.470879103,
                -15.473421241786525
              ],
              [
                631999.8965155203,
                2368998.4508791035,
                -15.473421241786525
              ],
              [
                632999.9165155203,
                2368998.4508791035,
                -3.473421241786525
              ],
              [
                632999.9165155203,
                2367998.470879103,
                -3.473421241786525
              ],
              [
                631999.8965155203,
                2367998.470879103,
                -15.473421241786525
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:45:08+00:00",
        "end_time": "2013-09-19T02:09:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3268.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3268.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3268.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3268.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.726473,
            21.40936955,
            -15.47342124,
            -157.7167477,
            21.41847589,
            -3.473421242
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72647301530566,
                  21.409443117317135,
                  -15.473421241786525
                ],
                [
                  -157.7263947200264,
                  21.418475893843752,
                  -15.473421241786525
                ],
                [
                  -157.71674769491088,
                  21.418402289780396,
                  -3.473421241786525
                ],
                [
                  -157.71682657613206,
                  21.40936954623621,
                  -3.473421241786525
                ],
                [
                  -157.72647301530566,
                  21.409443117317135,
                  -15.473421241786525
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3268.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3268.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:45:08Z",
            "pc:count": 947911,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632335.2829,
                "count": 947911,
                "maximum": 632999.9165,
                "minimum": 631999.8965,
                "name": "X",
                "position": 0,
                "stddev": 239.3558427,
                "variance": 57291.21942
              },
              {
                "average": 2368222.893,
                "count": 947911,
                "maximum": 2368998.451,
                "minimum": 2367998.471,
                "name": "Y",
                "position": 1,
                "stddev": 182.0822693,
                "variance": 33153.95278
              },
              {
                "average": -6.605017151,
                "count": 947911,
                "maximum": -3.473421242,
                "minimum": -15.47342124,
                "name": "Z",
                "position": 2,
                "stddev": 1.198922564,
                "variance": 1.437415314
              },
              {
                "average": 6.086758145,
                "count": 947911,
                "maximum": 1570,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.91636658,
                "variance": 396.6616579
              },
              {
                "average": 1.067943087,
                "count": 947911,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2539684986,
                "variance": 0.06449999831
              },
              {
                "average": 1.072032079,
                "count": 947911,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2612647609,
                "variance": 0.0682592753
              },
              {
                "average": 1,
                "count": 947911,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 947911,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 947911,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.73604971,
                "count": 947911,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.806003853,
                "variance": 7.873657621
              },
              {
                "average": 133.044943,
                "count": 947911,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 82.18031646,
                "variance": 6753.604413
              },
              {
                "average": 5.787094991,
                "count": 947911,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.27902031,
                "variance": 5.193933576
              },
              {
                "average": 63596780.22,
                "count": 947911,
                "maximum": 63655108.11,
                "minimum": 63591779.57,
                "name": "GpsTime",
                "position": 12,
                "stddev": 12803.34069,
                "variance": 163925532.8
              },
              {
                "average": 0,
                "count": 947911,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 947911,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 947911,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 947911,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 947911,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.8965,
              2367998.471,
              -15.47342124,
              632999.9165,
              2368998.451,
              -3.473421242
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.8965155203,
                    2367998.470879103,
                    -15.473421241786525
                  ],
                  [
                    631999.8965155203,
                    2368998.4508791035,
                    -15.473421241786525
                  ],
                  [
                    632999.9165155203,
                    2368998.4508791035,
                    -3.473421241786525
                  ],
                  [
                    632999.9165155203,
                    2367998.470879103,
                    -3.473421241786525
                  ],
                  [
                    631999.8965155203,
                    2367998.470879103,
                    -15.473421241786525
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:45:08+00:00",
            "end_time": "2013-09-19T02:09:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3067.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7458429035379,
              21.400555474382305,
              -4.367415526939283
            ],
            [
              -157.74576584626843,
              21.409588689263266,
              -4.367415526939283
            ],
            [
              -157.73611925982232,
              21.409516217911673,
              37.252584473060715
            ],
            [
              -157.7361969085216,
              21.400483036447362,
              37.252584473060715
            ],
            [
              -157.7458429035379,
              21.400555474382305,
              -4.367415526939283
            ]
          ]
        ]
      },
      "bbox": [
        -157.7458429,
        21.40048304,
        -4.367415527,
        -157.7361193,
        21.40958869,
        37.25258447
      ],
      "properties": {
        "datetime": "2013-09-20T19:42:20Z",
        "pc:count": 5916959,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630454.6425,
            "count": 5916959,
            "maximum": 630999.8901,
            "minimum": 629999.8501,
            "name": "X",
            "position": 0,
            "stddev": 274.0741086,
            "variance": 75116.61702
          },
          {
            "average": 2367475.105,
            "count": 5916959,
            "maximum": 2367998.48,
            "minimum": 2366998.46,
            "name": "Y",
            "position": 1,
            "stddev": 284.4496773,
            "variance": 80911.61891
          },
          {
            "average": 5.727927067,
            "count": 5916959,
            "maximum": 37.25258447,
            "minimum": -4.367415527,
            "name": "Z",
            "position": 2,
            "stddev": 4.505193102,
            "variance": 20.29676489
          },
          {
            "average": 29.04721361,
            "count": 5916959,
            "maximum": 8811,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 53.27515058,
            "variance": 2838.241669
          },
          {
            "average": 1.437941517,
            "count": 5916959,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8132361391,
            "variance": 0.6613530179
          },
          {
            "average": 1.877500757,
            "count": 5916959,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.207917658,
            "variance": 1.459065069
          },
          {
            "average": 1,
            "count": 5916959,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5916959,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.87032359,
            "count": 5916959,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.217208666,
            "variance": 67.52251826
          },
          {
            "average": 20.11263094,
            "count": 5916959,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.137267941,
            "variance": 4.567914253
          },
          {
            "average": 90.87214108,
            "count": 5916959,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.58777154,
            "variance": 4433.931318
          },
          {
            "average": 3.994459316,
            "count": 5916959,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.803730813,
            "variance": 14.4683681
          },
          {
            "average": 63682460.01,
            "count": 5916959,
            "maximum": 63741340.91,
            "minimum": 63657187.49,
            "name": "GpsTime",
            "position": 12,
            "stddev": 27094.08738,
            "variance": 734089570.8
          },
          {
            "average": 0,
            "count": 5916959,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5916959,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5916959,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5916959,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5916959,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8501,
          2366998.46,
          -4.367415527,
          630999.8901,
          2367998.48,
          37.25258447
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8501247375,
                2366998.4595414214,
                -4.367415526939283
              ],
              [
                629999.8501247375,
                2367998.479541421,
                -4.367415526939283
              ],
              [
                630999.8901247375,
                2367998.479541421,
                37.252584473060715
              ],
              [
                630999.8901247375,
                2366998.4595414214,
                37.252584473060715
              ],
              [
                629999.8501247375,
                2366998.4595414214,
                -4.367415526939283
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:42:20+00:00",
        "end_time": "2013-09-19T20:19:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3067.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3067.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3067.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3067.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7458429,
            21.40048304,
            -4.367415527,
            -157.7361193,
            21.40958869,
            37.25258447
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7458429035379,
                  21.400555474382305,
                  -4.367415526939283
                ],
                [
                  -157.74576584626843,
                  21.409588689263266,
                  -4.367415526939283
                ],
                [
                  -157.73611925982232,
                  21.409516217911673,
                  37.252584473060715
                ],
                [
                  -157.7361969085216,
                  21.400483036447362,
                  37.252584473060715
                ],
                [
                  -157.7458429035379,
                  21.400555474382305,
                  -4.367415526939283
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3067.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3067.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:42:20Z",
            "pc:count": 5916959,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630454.6425,
                "count": 5916959,
                "maximum": 630999.8901,
                "minimum": 629999.8501,
                "name": "X",
                "position": 0,
                "stddev": 274.0741086,
                "variance": 75116.61702
              },
              {
                "average": 2367475.105,
                "count": 5916959,
                "maximum": 2367998.48,
                "minimum": 2366998.46,
                "name": "Y",
                "position": 1,
                "stddev": 284.4496773,
                "variance": 80911.61891
              },
              {
                "average": 5.727927067,
                "count": 5916959,
                "maximum": 37.25258447,
                "minimum": -4.367415527,
                "name": "Z",
                "position": 2,
                "stddev": 4.505193102,
                "variance": 20.29676489
              },
              {
                "average": 29.04721361,
                "count": 5916959,
                "maximum": 8811,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 53.27515058,
                "variance": 2838.241669
              },
              {
                "average": 1.437941517,
                "count": 5916959,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8132361391,
                "variance": 0.6613530179
              },
              {
                "average": 1.877500757,
                "count": 5916959,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.207917658,
                "variance": 1.459065069
              },
              {
                "average": 1,
                "count": 5916959,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5916959,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.87032359,
                "count": 5916959,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.217208666,
                "variance": 67.52251826
              },
              {
                "average": 20.11263094,
                "count": 5916959,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.137267941,
                "variance": 4.567914253
              },
              {
                "average": 90.87214108,
                "count": 5916959,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.58777154,
                "variance": 4433.931318
              },
              {
                "average": 3.994459316,
                "count": 5916959,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.803730813,
                "variance": 14.4683681
              },
              {
                "average": 63682460.01,
                "count": 5916959,
                "maximum": 63741340.91,
                "minimum": 63657187.49,
                "name": "GpsTime",
                "position": 12,
                "stddev": 27094.08738,
                "variance": 734089570.8
              },
              {
                "average": 0,
                "count": 5916959,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5916959,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5916959,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5916959,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5916959,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8501,
              2366998.46,
              -4.367415527,
              630999.8901,
              2367998.48,
              37.25258447
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8501247375,
                    2366998.4595414214,
                    -4.367415526939283
                  ],
                  [
                    629999.8501247375,
                    2367998.479541421,
                    -4.367415526939283
                  ],
                  [
                    630999.8901247375,
                    2367998.479541421,
                    37.252584473060715
                  ],
                  [
                    630999.8901247375,
                    2366998.4595414214,
                    37.252584473060715
                  ],
                  [
                    629999.8501247375,
                    2366998.4595414214,
                    -4.367415526939283
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:42:20+00:00",
            "end_time": "2013-09-19T20:19:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3269.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72639462834027,
              21.418476391072318,
              -23.507531848791245
            ],
            [
              -157.72631621186554,
              21.427509151222715,
              -23.507531848791245
            ],
            [
              -157.71666921392404,
              21.427435519755587,
              -4.087531848791244
            ],
            [
              -157.7167481819965,
              21.418402791435362,
              -4.087531848791244
            ],
            [
              -157.72639462834027,
              21.418476391072318,
              -23.507531848791245
            ]
          ]
        ]
      },
      "bbox": [
        -157.7263946,
        21.41840279,
        -23.50753185,
        -157.7166692,
        21.42750915,
        -4.087531849
      ],
      "properties": {
        "datetime": "2013-09-21T01:22:45Z",
        "pc:count": 265421,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632267.3744,
            "count": 265421,
            "maximum": 632999.8656,
            "minimum": 631999.9056,
            "name": "X",
            "position": 0,
            "stddev": 245.9591997,
            "variance": 60495.92794
          },
          {
            "average": 2369436.199,
            "count": 265421,
            "maximum": 2369998.486,
            "minimum": 2368998.506,
            "name": "Y",
            "position": 1,
            "stddev": 250.3283708,
            "variance": 62664.29321
          },
          {
            "average": -8.184451723,
            "count": 265421,
            "maximum": -4.087531849,
            "minimum": -23.50753185,
            "name": "Z",
            "position": 2,
            "stddev": 4.391357278,
            "variance": 19.28401874
          },
          {
            "average": 6.727044959,
            "count": 265421,
            "maximum": 1260,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 15.53899315,
            "variance": 241.460308
          },
          {
            "average": 1.101962543,
            "count": 265421,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3032712148,
            "variance": 0.0919734297
          },
          {
            "average": 1.102297859,
            "count": 265421,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3037604255,
            "variance": 0.09227039611
          },
          {
            "average": 1,
            "count": 265421,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 265421,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 265421,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.84643625,
            "count": 265421,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.07437018,
            "variance": 9.451752003
          },
          {
            "average": 176.036881,
            "count": 265421,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 83.4839961,
            "variance": 6969.577605
          },
          {
            "average": 2.676562894,
            "count": 265421,
            "maximum": 9,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.235801578,
            "variance": 1.527205541
          },
          {
            "average": 63607447.11,
            "count": 265421,
            "maximum": 63761765.35,
            "minimum": 63591800.58,
            "name": "GpsTime",
            "position": 12,
            "stddev": 33634.88203,
            "variance": 1131305289
          },
          {
            "average": 0,
            "count": 265421,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 265421,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 265421,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 265421,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 265421,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.9056,
          2368998.506,
          -23.50753185,
          632999.8656,
          2369998.486,
          -4.087531849
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.9055723215,
                2368998.5059987055,
                -23.507531848791245
              ],
              [
                631999.9055723215,
                2369998.485998706,
                -23.507531848791245
              ],
              [
                632999.8655723215,
                2369998.485998706,
                -4.087531848791244
              ],
              [
                632999.8655723215,
                2368998.5059987055,
                -4.087531848791244
              ],
              [
                631999.9055723215,
                2368998.5059987055,
                -23.507531848791245
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:22:45+00:00",
        "end_time": "2013-09-19T02:10:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3269.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3269.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3269.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3269.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7263946,
            21.41840279,
            -23.50753185,
            -157.7166692,
            21.42750915,
            -4.087531849
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72639462834027,
                  21.418476391072318,
                  -23.507531848791245
                ],
                [
                  -157.72631621186554,
                  21.427509151222715,
                  -23.507531848791245
                ],
                [
                  -157.71666921392404,
                  21.427435519755587,
                  -4.087531848791244
                ],
                [
                  -157.7167481819965,
                  21.418402791435362,
                  -4.087531848791244
                ],
                [
                  -157.72639462834027,
                  21.418476391072318,
                  -23.507531848791245
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3269.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3269.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:22:45Z",
            "pc:count": 265421,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632267.3744,
                "count": 265421,
                "maximum": 632999.8656,
                "minimum": 631999.9056,
                "name": "X",
                "position": 0,
                "stddev": 245.9591997,
                "variance": 60495.92794
              },
              {
                "average": 2369436.199,
                "count": 265421,
                "maximum": 2369998.486,
                "minimum": 2368998.506,
                "name": "Y",
                "position": 1,
                "stddev": 250.3283708,
                "variance": 62664.29321
              },
              {
                "average": -8.184451723,
                "count": 265421,
                "maximum": -4.087531849,
                "minimum": -23.50753185,
                "name": "Z",
                "position": 2,
                "stddev": 4.391357278,
                "variance": 19.28401874
              },
              {
                "average": 6.727044959,
                "count": 265421,
                "maximum": 1260,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 15.53899315,
                "variance": 241.460308
              },
              {
                "average": 1.101962543,
                "count": 265421,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3032712148,
                "variance": 0.0919734297
              },
              {
                "average": 1.102297859,
                "count": 265421,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3037604255,
                "variance": 0.09227039611
              },
              {
                "average": 1,
                "count": 265421,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 265421,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 265421,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.84643625,
                "count": 265421,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.07437018,
                "variance": 9.451752003
              },
              {
                "average": 176.036881,
                "count": 265421,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 83.4839961,
                "variance": 6969.577605
              },
              {
                "average": 2.676562894,
                "count": 265421,
                "maximum": 9,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.235801578,
                "variance": 1.527205541
              },
              {
                "average": 63607447.11,
                "count": 265421,
                "maximum": 63761765.35,
                "minimum": 63591800.58,
                "name": "GpsTime",
                "position": 12,
                "stddev": 33634.88203,
                "variance": 1131305289
              },
              {
                "average": 0,
                "count": 265421,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 265421,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 265421,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 265421,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 265421,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.9056,
              2368998.506,
              -23.50753185,
              632999.8656,
              2369998.486,
              -4.087531849
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.9055723215,
                    2368998.5059987055,
                    -23.507531848791245
                  ],
                  [
                    631999.9055723215,
                    2369998.485998706,
                    -23.507531848791245
                  ],
                  [
                    632999.8655723215,
                    2369998.485998706,
                    -4.087531848791244
                  ],
                  [
                    632999.8655723215,
                    2368998.5059987055,
                    -4.087531848791244
                  ],
                  [
                    631999.9055723215,
                    2368998.5059987055,
                    -23.507531848791245
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:22:45+00:00",
            "end_time": "2013-09-19T02:10:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3171.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7358859579348,
              21.436615061384167,
              -13.85283991342507
            ],
            [
              -157.7358081062352,
              21.445648205384344,
              -13.85283991342507
            ],
            [
              -157.72615937606253,
              21.445575047679135,
              9.78716008657493
            ],
            [
              -157.72623781847713,
              21.43654193743994,
              9.78716008657493
            ],
            [
              -157.7358859579348,
              21.436615061384167,
              -13.85283991342507
            ]
          ]
        ]
      },
      "bbox": [
        -157.735886,
        21.43654194,
        -13.85283991,
        -157.7261594,
        21.44564821,
        9.787160087
      ],
      "properties": {
        "datetime": "2013-09-21T02:21:44Z",
        "pc:count": 3884629,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631465.9748,
            "count": 3884629,
            "maximum": 631999.9051,
            "minimum": 630999.8851,
            "name": "X",
            "position": 0,
            "stddev": 266.3701105,
            "variance": 70953.03577
          },
          {
            "average": 2371531.075,
            "count": 3884629,
            "maximum": 2371998.489,
            "minimum": 2370998.469,
            "name": "Y",
            "position": 1,
            "stddev": 277.3379756,
            "variance": 76916.35273
          },
          {
            "average": -5.516915842,
            "count": 3884629,
            "maximum": 9.787160087,
            "minimum": -13.85283991,
            "name": "Z",
            "position": 2,
            "stddev": 3.197169415,
            "variance": 10.22189227
          },
          {
            "average": 7.932005862,
            "count": 3884629,
            "maximum": 2746,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 20.33672818,
            "variance": 413.5825131
          },
          {
            "average": 1.006799362,
            "count": 3884629,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08628493998,
            "variance": 0.007445090867
          },
          {
            "average": 1.010988952,
            "count": 3884629,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1121104199,
            "variance": 0.01256874626
          },
          {
            "average": 1,
            "count": 3884629,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3884629,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.77039352,
            "count": 3884629,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.509000297,
            "variance": 6.295082492
          },
          {
            "average": 18.99419056,
            "count": 3884629,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.72199071,
            "variance": 22.29719627
          },
          {
            "average": 95.32010753,
            "count": 3884629,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.34788201,
            "variance": 4809.128739
          },
          {
            "average": 10.01812554,
            "count": 3884629,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.185283124,
            "variance": 38.25772732
          },
          {
            "average": 63734851.08,
            "count": 3884629,
            "maximum": 63765304.76,
            "minimum": 63653454.62,
            "name": "GpsTime",
            "position": 12,
            "stddev": 47692.4349,
            "variance": 2274568347
          },
          {
            "average": 0,
            "count": 3884629,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3884629,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3884629,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3884629,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3884629,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8851,
          2370998.469,
          -13.85283991,
          631999.9051,
          2371998.489,
          9.787160087
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8850635493,
                2370998.4691778137,
                -13.85283991342507
              ],
              [
                630999.8850635493,
                2371998.4891778133,
                -13.85283991342507
              ],
              [
                631999.9050635493,
                2371998.4891778133,
                9.78716008657493
              ],
              [
                631999.9050635493,
                2370998.4691778137,
                9.78716008657493
              ],
              [
                630999.8850635493,
                2370998.4691778137,
                -13.85283991342507
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:21:44+00:00",
        "end_time": "2013-09-19T19:17:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3171.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3171.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3171.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3171.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.735886,
            21.43654194,
            -13.85283991,
            -157.7261594,
            21.44564821,
            9.787160087
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7358859579348,
                  21.436615061384167,
                  -13.85283991342507
                ],
                [
                  -157.7358081062352,
                  21.445648205384344,
                  -13.85283991342507
                ],
                [
                  -157.72615937606253,
                  21.445575047679135,
                  9.78716008657493
                ],
                [
                  -157.72623781847713,
                  21.43654193743994,
                  9.78716008657493
                ],
                [
                  -157.7358859579348,
                  21.436615061384167,
                  -13.85283991342507
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3171.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3171.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:21:44Z",
            "pc:count": 3884629,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631465.9748,
                "count": 3884629,
                "maximum": 631999.9051,
                "minimum": 630999.8851,
                "name": "X",
                "position": 0,
                "stddev": 266.3701105,
                "variance": 70953.03577
              },
              {
                "average": 2371531.075,
                "count": 3884629,
                "maximum": 2371998.489,
                "minimum": 2370998.469,
                "name": "Y",
                "position": 1,
                "stddev": 277.3379756,
                "variance": 76916.35273
              },
              {
                "average": -5.516915842,
                "count": 3884629,
                "maximum": 9.787160087,
                "minimum": -13.85283991,
                "name": "Z",
                "position": 2,
                "stddev": 3.197169415,
                "variance": 10.22189227
              },
              {
                "average": 7.932005862,
                "count": 3884629,
                "maximum": 2746,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 20.33672818,
                "variance": 413.5825131
              },
              {
                "average": 1.006799362,
                "count": 3884629,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08628493998,
                "variance": 0.007445090867
              },
              {
                "average": 1.010988952,
                "count": 3884629,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1121104199,
                "variance": 0.01256874626
              },
              {
                "average": 1,
                "count": 3884629,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3884629,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.77039352,
                "count": 3884629,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.509000297,
                "variance": 6.295082492
              },
              {
                "average": 18.99419056,
                "count": 3884629,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.72199071,
                "variance": 22.29719627
              },
              {
                "average": 95.32010753,
                "count": 3884629,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.34788201,
                "variance": 4809.128739
              },
              {
                "average": 10.01812554,
                "count": 3884629,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.185283124,
                "variance": 38.25772732
              },
              {
                "average": 63734851.08,
                "count": 3884629,
                "maximum": 63765304.76,
                "minimum": 63653454.62,
                "name": "GpsTime",
                "position": 12,
                "stddev": 47692.4349,
                "variance": 2274568347
              },
              {
                "average": 0,
                "count": 3884629,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3884629,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3884629,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3884629,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3884629,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8851,
              2370998.469,
              -13.85283991,
              631999.9051,
              2371998.489,
              9.787160087
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8850635493,
                    2370998.4691778137,
                    -13.85283991342507
                  ],
                  [
                    630999.8850635493,
                    2371998.4891778133,
                    -13.85283991342507
                  ],
                  [
                    631999.9050635493,
                    2371998.4891778133,
                    9.78716008657493
                  ],
                  [
                    631999.9050635493,
                    2370998.4691778137,
                    9.78716008657493
                  ],
                  [
                    630999.8850635493,
                    2370998.4691778137,
                    -13.85283991342507
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:21:44+00:00",
            "end_time": "2013-09-19T19:17:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3270.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72631613987355,
              21.42750918295433,
              -28.916679981973516
            ],
            [
              -157.72623774025288,
              21.436542121075945,
              -28.916679981973516
            ],
            [
              -157.71658958354018,
              21.43646845165321,
              17.423320018026487
            ],
            [
              -157.71666856309193,
              21.427435547047708,
              17.423320018026487
            ],
            [
              -157.72631613987355,
              21.42750918295433,
              -28.916679981973516
            ]
          ]
        ]
      },
      "bbox": [
        -157.7263161,
        21.42743555,
        -28.91667998,
        -157.7165896,
        21.43654212,
        17.42332002
      ],
      "properties": {
        "datetime": "2013-09-21T02:21:24Z",
        "pc:count": 1208813,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632545.1594,
            "count": 1208813,
            "maximum": 632999.933,
            "minimum": 631999.913,
            "name": "X",
            "position": 0,
            "stddev": 211.9661862,
            "variance": 44929.66407
          },
          {
            "average": 2370587.516,
            "count": 1208813,
            "maximum": 2370998.49,
            "minimum": 2369998.49,
            "name": "Y",
            "position": 1,
            "stddev": 231.1789512,
            "variance": 53443.70747
          },
          {
            "average": -12.35220055,
            "count": 1208813,
            "maximum": 17.42332002,
            "minimum": -28.91667998,
            "name": "Z",
            "position": 2,
            "stddev": 4.535256219,
            "variance": 20.56854897
          },
          {
            "average": 52.50452469,
            "count": 1208813,
            "maximum": 2350,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 96.57267111,
            "variance": 9326.280805
          },
          {
            "average": 1.015559065,
            "count": 1208813,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.128162083,
            "variance": 0.01642551952
          },
          {
            "average": 1.028157374,
            "count": 1208813,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1764188815,
            "variance": 0.03112362175
          },
          {
            "average": 1,
            "count": 1208813,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1208813,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.72249802,
            "count": 1208813,
            "maximum": 29,
            "minimum": 2,
            "name": "Classification",
            "position": 8,
            "stddev": 2.723151157,
            "variance": 7.415552225
          },
          {
            "average": 16.55605465,
            "count": 1208813,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.408693268,
            "variance": 54.88873595
          },
          {
            "average": 159.5160922,
            "count": 1208813,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 88.13935989,
            "variance": 7768.546762
          },
          {
            "average": 11.3003103,
            "count": 1208813,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.959431007,
            "variance": 24.59595591
          },
          {
            "average": 63751281.08,
            "count": 1208813,
            "maximum": 63765284.27,
            "minimum": 63593207.55,
            "name": "GpsTime",
            "position": 12,
            "stddev": 33451.31809,
            "variance": 1118990682
          },
          {
            "average": 0,
            "count": 1208813,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1208813,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1208813,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1208813,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1208813,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.913,
          2369998.49,
          -28.91667998,
          632999.933,
          2370998.49,
          17.42332002
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.913005657,
                2369998.489571957,
                -28.916679981973516
              ],
              [
                631999.913005657,
                2370998.489571957,
                -28.916679981973516
              ],
              [
                632999.933005657,
                2370998.489571957,
                17.423320018026487
              ],
              [
                632999.933005657,
                2369998.489571957,
                17.423320018026487
              ],
              [
                631999.913005657,
                2369998.489571957,
                -28.916679981973516
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:21:24+00:00",
        "end_time": "2013-09-19T02:33:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3270.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3270.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3270.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3270.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7263161,
            21.42743555,
            -28.91667998,
            -157.7165896,
            21.43654212,
            17.42332002
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72631613987355,
                  21.42750918295433,
                  -28.916679981973516
                ],
                [
                  -157.72623774025288,
                  21.436542121075945,
                  -28.916679981973516
                ],
                [
                  -157.71658958354018,
                  21.43646845165321,
                  17.423320018026487
                ],
                [
                  -157.71666856309193,
                  21.427435547047708,
                  17.423320018026487
                ],
                [
                  -157.72631613987355,
                  21.42750918295433,
                  -28.916679981973516
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3270.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3270.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:21:24Z",
            "pc:count": 1208813,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632545.1594,
                "count": 1208813,
                "maximum": 632999.933,
                "minimum": 631999.913,
                "name": "X",
                "position": 0,
                "stddev": 211.9661862,
                "variance": 44929.66407
              },
              {
                "average": 2370587.516,
                "count": 1208813,
                "maximum": 2370998.49,
                "minimum": 2369998.49,
                "name": "Y",
                "position": 1,
                "stddev": 231.1789512,
                "variance": 53443.70747
              },
              {
                "average": -12.35220055,
                "count": 1208813,
                "maximum": 17.42332002,
                "minimum": -28.91667998,
                "name": "Z",
                "position": 2,
                "stddev": 4.535256219,
                "variance": 20.56854897
              },
              {
                "average": 52.50452469,
                "count": 1208813,
                "maximum": 2350,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 96.57267111,
                "variance": 9326.280805
              },
              {
                "average": 1.015559065,
                "count": 1208813,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.128162083,
                "variance": 0.01642551952
              },
              {
                "average": 1.028157374,
                "count": 1208813,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1764188815,
                "variance": 0.03112362175
              },
              {
                "average": 1,
                "count": 1208813,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1208813,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.72249802,
                "count": 1208813,
                "maximum": 29,
                "minimum": 2,
                "name": "Classification",
                "position": 8,
                "stddev": 2.723151157,
                "variance": 7.415552225
              },
              {
                "average": 16.55605465,
                "count": 1208813,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.408693268,
                "variance": 54.88873595
              },
              {
                "average": 159.5160922,
                "count": 1208813,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 88.13935989,
                "variance": 7768.546762
              },
              {
                "average": 11.3003103,
                "count": 1208813,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.959431007,
                "variance": 24.59595591
              },
              {
                "average": 63751281.08,
                "count": 1208813,
                "maximum": 63765284.27,
                "minimum": 63593207.55,
                "name": "GpsTime",
                "position": 12,
                "stddev": 33451.31809,
                "variance": 1118990682
              },
              {
                "average": 0,
                "count": 1208813,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1208813,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1208813,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1208813,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1208813,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.913,
              2369998.49,
              -28.91667998,
              632999.933,
              2370998.49,
              17.42332002
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.913005657,
                    2369998.489571957,
                    -28.916679981973516
                  ],
                  [
                    631999.913005657,
                    2370998.489571957,
                    -28.916679981973516
                  ],
                  [
                    632999.933005657,
                    2370998.489571957,
                    17.423320018026487
                  ],
                  [
                    632999.933005657,
                    2369998.489571957,
                    17.423320018026487
                  ],
                  [
                    631999.913005657,
                    2369998.489571957,
                    -28.916679981973516
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:21:24+00:00",
            "end_time": "2013-09-19T02:33:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3271.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72623774029856,
              21.43654211569867,
              -30.681030886131957
            ],
            [
              -157.7261592994477,
              21.445575045278922,
              -30.681030886131957
            ],
            [
              -157.716510561283,
              21.445501341871704,
              -10.061030886131954
            ],
            [
              -157.7165895835862,
              21.436468446275953,
              -10.061030886131954
            ],
            [
              -157.72623774029856,
              21.43654211569867,
              -30.681030886131957
            ]
          ]
        ]
      },
      "bbox": [
        -157.7262377,
        21.43646845,
        -30.68103089,
        -157.7165106,
        21.44557505,
        -10.06103089
      ],
      "properties": {
        "datetime": "2013-09-21T02:21:37Z",
        "pc:count": 1109382,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632404.3139,
            "count": 1109382,
            "maximum": 632999.933,
            "minimum": 631999.913,
            "name": "X",
            "position": 0,
            "stddev": 284.9835177,
            "variance": 81215.60538
          },
          {
            "average": 2371481.753,
            "count": 1109382,
            "maximum": 2371998.489,
            "minimum": 2370998.489,
            "name": "Y",
            "position": 1,
            "stddev": 287.697139,
            "variance": 82769.64377
          },
          {
            "average": -17.31457651,
            "count": 1109382,
            "maximum": -10.06103089,
            "minimum": -30.68103089,
            "name": "Z",
            "position": 2,
            "stddev": 4.853878551,
            "variance": 23.56013699
          },
          {
            "average": 202.6643239,
            "count": 1109382,
            "maximum": 1652,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 250.5237614,
            "variance": 62762.15502
          },
          {
            "average": 1.002952094,
            "count": 1109382,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05428616267,
            "variance": 0.002946987457
          },
          {
            "average": 1.003072882,
            "count": 1109382,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.05539720749,
            "variance": 0.003068850598
          },
          {
            "average": 1,
            "count": 1109382,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1109382,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1109382,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.63874089,
            "count": 1109382,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.042562843,
            "variance": 81.76794278
          },
          {
            "average": 188.4738792,
            "count": 1109382,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 80.7447096,
            "variance": 6519.708128
          },
          {
            "average": 18.81536838,
            "count": 1109382,
            "maximum": 22,
            "minimum": 9,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.510315169,
            "variance": 12.32231259
          },
          {
            "average": 63764491.25,
            "count": 1109382,
            "maximum": 63765297.6,
            "minimum": 63761744.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 909.0379011,
            "variance": 826349.9056
          },
          {
            "average": 0,
            "count": 1109382,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1109382,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1109382,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1109382,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1109382,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.913,
          2370998.489,
          -30.68103089,
          632999.933,
          2371998.489,
          -10.06103089
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.9130057628,
                2370998.488976661,
                -30.681030886131957
              ],
              [
                631999.9130057628,
                2371998.488976661,
                -30.681030886131957
              ],
              [
                632999.9330057629,
                2371998.488976661,
                -10.061030886131954
              ],
              [
                632999.9330057629,
                2370998.488976661,
                -10.061030886131954
              ],
              [
                631999.9130057628,
                2370998.488976661,
                -30.681030886131957
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:21:37+00:00",
        "end_time": "2013-09-21T01:22:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3271.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3271.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3271.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3271.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7262377,
            21.43646845,
            -30.68103089,
            -157.7165106,
            21.44557505,
            -10.06103089
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72623774029856,
                  21.43654211569867,
                  -30.681030886131957
                ],
                [
                  -157.7261592994477,
                  21.445575045278922,
                  -30.681030886131957
                ],
                [
                  -157.716510561283,
                  21.445501341871704,
                  -10.061030886131954
                ],
                [
                  -157.7165895835862,
                  21.436468446275953,
                  -10.061030886131954
                ],
                [
                  -157.72623774029856,
                  21.43654211569867,
                  -30.681030886131957
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3271.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3271.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:21:37Z",
            "pc:count": 1109382,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632404.3139,
                "count": 1109382,
                "maximum": 632999.933,
                "minimum": 631999.913,
                "name": "X",
                "position": 0,
                "stddev": 284.9835177,
                "variance": 81215.60538
              },
              {
                "average": 2371481.753,
                "count": 1109382,
                "maximum": 2371998.489,
                "minimum": 2370998.489,
                "name": "Y",
                "position": 1,
                "stddev": 287.697139,
                "variance": 82769.64377
              },
              {
                "average": -17.31457651,
                "count": 1109382,
                "maximum": -10.06103089,
                "minimum": -30.68103089,
                "name": "Z",
                "position": 2,
                "stddev": 4.853878551,
                "variance": 23.56013699
              },
              {
                "average": 202.6643239,
                "count": 1109382,
                "maximum": 1652,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 250.5237614,
                "variance": 62762.15502
              },
              {
                "average": 1.002952094,
                "count": 1109382,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05428616267,
                "variance": 0.002946987457
              },
              {
                "average": 1.003072882,
                "count": 1109382,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.05539720749,
                "variance": 0.003068850598
              },
              {
                "average": 1,
                "count": 1109382,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1109382,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1109382,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.63874089,
                "count": 1109382,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.042562843,
                "variance": 81.76794278
              },
              {
                "average": 188.4738792,
                "count": 1109382,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 80.7447096,
                "variance": 6519.708128
              },
              {
                "average": 18.81536838,
                "count": 1109382,
                "maximum": 22,
                "minimum": 9,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.510315169,
                "variance": 12.32231259
              },
              {
                "average": 63764491.25,
                "count": 1109382,
                "maximum": 63765297.6,
                "minimum": 63761744.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 909.0379011,
                "variance": 826349.9056
              },
              {
                "average": 0,
                "count": 1109382,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1109382,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1109382,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1109382,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1109382,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.913,
              2370998.489,
              -30.68103089,
              632999.933,
              2371998.489,
              -10.06103089
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.9130057628,
                    2370998.488976661,
                    -30.681030886131957
                  ],
                  [
                    631999.9130057628,
                    2371998.488976661,
                    -30.681030886131957
                  ],
                  [
                    632999.9330057629,
                    2371998.488976661,
                    -10.061030886131954
                  ],
                  [
                    632999.9330057629,
                    2370998.488976661,
                    -10.061030886131954
                  ],
                  [
                    631999.9130057628,
                    2370998.488976661,
                    -30.681030886131957
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:21:37+00:00",
            "end_time": "2013-09-21T01:22:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj2853.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7661923995112,
              21.27423389023799,
              -4.156804883911292
            ],
            [
              -157.7661293614691,
              21.28179291276559,
              -4.156804883911292
            ],
            [
              -157.75649144796253,
              21.281722019123706,
              98.6431951160887
            ],
            [
              -157.75655497767175,
              21.27416302442134,
              98.6431951160887
            ],
            [
              -157.7661923995112,
              21.27423389023799,
              -4.156804883911292
            ]
          ]
        ]
      },
      "bbox": [
        -157.7661924,
        21.27416302,
        -4.156804884,
        -157.7564914,
        21.28179291,
        98.64319512
      ],
      "properties": {
        "datetime": "2013-09-22T18:20:20Z",
        "pc:count": 2985535,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628537.4073,
            "count": 2985535,
            "maximum": 628999.8154,
            "minimum": 627999.8154,
            "name": "X",
            "position": 0,
            "stddev": 284.2590763,
            "variance": 80803.22246
          },
          {
            "average": 2353354.421,
            "count": 2985535,
            "maximum": 2353835.228,
            "minimum": 2352998.428,
            "name": "Y",
            "position": 1,
            "stddev": 207.1768349,
            "variance": 42922.24094
          },
          {
            "average": 21.13107485,
            "count": 2985535,
            "maximum": 98.64319512,
            "minimum": -4.156804884,
            "name": "Z",
            "position": 2,
            "stddev": 22.40107329,
            "variance": 501.8080844
          },
          {
            "average": 19.4616928,
            "count": 2985535,
            "maximum": 1202,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.01309553,
            "variance": 1765.100196
          },
          {
            "average": 1.465351771,
            "count": 2985535,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8320236168,
            "variance": 0.6922632989
          },
          {
            "average": 1.940943583,
            "count": 2985535,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.231973262,
            "variance": 1.517758119
          },
          {
            "average": 1,
            "count": 2985535,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2985535,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.381471663,
            "count": 2985535,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.48515841,
            "variance": 56.02759643
          },
          {
            "average": 19.4516921,
            "count": 2985535,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.540536808,
            "variance": 12.53540089
          },
          {
            "average": 91.00735245,
            "count": 2985535,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.28379128,
            "variance": 4393.540987
          },
          {
            "average": 10.92459978,
            "count": 2985535,
            "maximum": 15,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.339682521,
            "variance": 28.51220943
          },
          {
            "average": 63516640.78,
            "count": 2985535,
            "maximum": 63909220.02,
            "minimum": 63381436.34,
            "name": "GpsTime",
            "position": 12,
            "stddev": 229087.6766,
            "variance": 52481163590.0
          },
          {
            "average": 0,
            "count": 2985535,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2985535,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2985535,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2985535,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2985535,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.8154,
          2352998.428,
          -4.156804884,
          628999.8154,
          2353835.228,
          98.64319512
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8154420939,
                2352998.428085147,
                -4.156804883911292
              ],
              [
                627999.8154420939,
                2353835.2280851468,
                -4.156804883911292
              ],
              [
                628999.8154420939,
                2353835.2280851468,
                98.6431951160887
              ],
              [
                628999.8154420939,
                2352998.428085147,
                98.6431951160887
              ],
              [
                627999.8154420939,
                2352998.428085147,
                -4.156804883911292
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:20:20+00:00",
        "end_time": "2013-09-16T15:43:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj2853.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj2853.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj2853.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2853.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7661924,
            21.27416302,
            -4.156804884,
            -157.7564914,
            21.28179291,
            98.64319512
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7661923995112,
                  21.27423389023799,
                  -4.156804883911292
                ],
                [
                  -157.7661293614691,
                  21.28179291276559,
                  -4.156804883911292
                ],
                [
                  -157.75649144796253,
                  21.281722019123706,
                  98.6431951160887
                ],
                [
                  -157.75655497767175,
                  21.27416302442134,
                  98.6431951160887
                ],
                [
                  -157.7661923995112,
                  21.27423389023799,
                  -4.156804883911292
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj2853.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj2853.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:20:20Z",
            "pc:count": 2985535,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628537.4073,
                "count": 2985535,
                "maximum": 628999.8154,
                "minimum": 627999.8154,
                "name": "X",
                "position": 0,
                "stddev": 284.2590763,
                "variance": 80803.22246
              },
              {
                "average": 2353354.421,
                "count": 2985535,
                "maximum": 2353835.228,
                "minimum": 2352998.428,
                "name": "Y",
                "position": 1,
                "stddev": 207.1768349,
                "variance": 42922.24094
              },
              {
                "average": 21.13107485,
                "count": 2985535,
                "maximum": 98.64319512,
                "minimum": -4.156804884,
                "name": "Z",
                "position": 2,
                "stddev": 22.40107329,
                "variance": 501.8080844
              },
              {
                "average": 19.4616928,
                "count": 2985535,
                "maximum": 1202,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.01309553,
                "variance": 1765.100196
              },
              {
                "average": 1.465351771,
                "count": 2985535,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8320236168,
                "variance": 0.6922632989
              },
              {
                "average": 1.940943583,
                "count": 2985535,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.231973262,
                "variance": 1.517758119
              },
              {
                "average": 1,
                "count": 2985535,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2985535,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.381471663,
                "count": 2985535,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.48515841,
                "variance": 56.02759643
              },
              {
                "average": 19.4516921,
                "count": 2985535,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.540536808,
                "variance": 12.53540089
              },
              {
                "average": 91.00735245,
                "count": 2985535,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.28379128,
                "variance": 4393.540987
              },
              {
                "average": 10.92459978,
                "count": 2985535,
                "maximum": 15,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.339682521,
                "variance": 28.51220943
              },
              {
                "average": 63516640.78,
                "count": 2985535,
                "maximum": 63909220.02,
                "minimum": 63381436.34,
                "name": "GpsTime",
                "position": 12,
                "stddev": 229087.6766,
                "variance": 52481163590.0
              },
              {
                "average": 0,
                "count": 2985535,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2985535,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2985535,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2985535,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2985535,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.8154,
              2352998.428,
              -4.156804884,
              628999.8154,
              2353835.228,
              98.64319512
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8154420939,
                    2352998.428085147,
                    -4.156804883911292
                  ],
                  [
                    627999.8154420939,
                    2353835.2280851468,
                    -4.156804883911292
                  ],
                  [
                    628999.8154420939,
                    2353835.2280851468,
                    98.6431951160887
                  ],
                  [
                    628999.8154420939,
                    2352998.428085147,
                    98.6431951160887
                  ],
                  [
                    627999.8154420939,
                    2352998.428085147,
                    -4.156804883911292
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:20:20+00:00",
            "end_time": "2013-09-16T15:43:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130922_ncmp_hi_oahu_4qfj3756.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.67436987341674,
              21.300637432688585,
              17.074544703284378
            ],
            [
              -157.67435746522642,
              21.302020550049356,
              17.074544703284378
            ],
            [
              -157.66956153745951,
              21.301982697868826,
              62.11454470328438
            ],
            [
              -157.6695739904972,
              21.300599583200174,
              62.11454470328438
            ],
            [
              -157.67436987341674,
              21.300637432688585,
              17.074544703284378
            ]
          ]
        ]
      },
      "bbox": [
        -157.6743699,
        21.30059958,
        17.0745447,
        -157.6695615,
        21.30202055,
        62.1145447
      ],
      "properties": {
        "datetime": "2013-09-22T18:18:01Z",
        "pc:count": 209088,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637813.7541,
            "count": 209088,
            "maximum": 638000.05,
            "minimum": 637502.49,
            "name": "X",
            "position": 0,
            "stddev": 131.3956828,
            "variance": 17264.82546
          },
          {
            "average": 2356069.358,
            "count": 209088,
            "maximum": 2356151.601,
            "minimum": 2355998.481,
            "name": "Y",
            "position": 1,
            "stddev": 44.58204052,
            "variance": 1987.558337
          },
          {
            "average": 29.31575922,
            "count": 209088,
            "maximum": 62.1145447,
            "minimum": 17.0745447,
            "name": "Z",
            "position": 2,
            "stddev": 8.566643472,
            "variance": 73.38738037
          },
          {
            "average": 30.1112259,
            "count": 209088,
            "maximum": 926,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 45.91470402,
            "variance": 2108.160045
          },
          {
            "average": 1.385273186,
            "count": 209088,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7579371224,
            "variance": 0.5744686814
          },
          {
            "average": 1.769532446,
            "count": 209088,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.125557833,
            "variance": 1.266880435
          },
          {
            "average": 1,
            "count": 209088,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 209088,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.25137741,
            "count": 209088,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4338060719,
            "variance": 0.188187708
          },
          {
            "average": 21.04761609,
            "count": 209088,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.620265541,
            "variance": 6.865791503
          },
          {
            "average": 91.3558693,
            "count": 209088,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.5015293,
            "variance": 4290.450341
          },
          {
            "average": 2,
            "count": 209088,
            "maximum": 2,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63909076.97,
            "count": 209088,
            "maximum": 63909081.58,
            "minimum": 63909072.82,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2.116967456,
            "variance": 4.481551209
          },
          {
            "average": 0,
            "count": 209088,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 209088,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 209088,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 209088,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 209088,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637502.49,
          2355998.481,
          17.0745447,
          638000.05,
          2356151.601,
          62.1145447
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637502.4900461712,
                2355998.481441472,
                17.074544703284378
              ],
              [
                637502.4900461712,
                2356151.6014414723,
                17.074544703284378
              ],
              [
                638000.0500461713,
                2356151.6014414723,
                62.11454470328438
              ],
              [
                638000.0500461713,
                2355998.481441472,
                62.11454470328438
              ],
              [
                637502.4900461712,
                2355998.481441472,
                17.074544703284378
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:18:01+00:00",
        "end_time": "2013-09-22T18:17:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130922_ncmp_hi_oahu_4qfj3756.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130922_ncmp_hi_oahu_4qfj3756.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130922_ncmp_hi_oahu_4qfj3756.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfj3756.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6743699,
            21.30059958,
            17.0745447,
            -157.6695615,
            21.30202055,
            62.1145447
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.67436987341674,
                  21.300637432688585,
                  17.074544703284378
                ],
                [
                  -157.67435746522642,
                  21.302020550049356,
                  17.074544703284378
                ],
                [
                  -157.66956153745951,
                  21.301982697868826,
                  62.11454470328438
                ],
                [
                  -157.6695739904972,
                  21.300599583200174,
                  62.11454470328438
                ],
                [
                  -157.67436987341674,
                  21.300637432688585,
                  17.074544703284378
                ]
              ]
            ]
          },
          "id": "20130922_ncmp_hi_oahu_4qfj3756.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfj3756.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:18:01Z",
            "pc:count": 209088,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637813.7541,
                "count": 209088,
                "maximum": 638000.05,
                "minimum": 637502.49,
                "name": "X",
                "position": 0,
                "stddev": 131.3956828,
                "variance": 17264.82546
              },
              {
                "average": 2356069.358,
                "count": 209088,
                "maximum": 2356151.601,
                "minimum": 2355998.481,
                "name": "Y",
                "position": 1,
                "stddev": 44.58204052,
                "variance": 1987.558337
              },
              {
                "average": 29.31575922,
                "count": 209088,
                "maximum": 62.1145447,
                "minimum": 17.0745447,
                "name": "Z",
                "position": 2,
                "stddev": 8.566643472,
                "variance": 73.38738037
              },
              {
                "average": 30.1112259,
                "count": 209088,
                "maximum": 926,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 45.91470402,
                "variance": 2108.160045
              },
              {
                "average": 1.385273186,
                "count": 209088,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7579371224,
                "variance": 0.5744686814
              },
              {
                "average": 1.769532446,
                "count": 209088,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.125557833,
                "variance": 1.266880435
              },
              {
                "average": 1,
                "count": 209088,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 209088,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.25137741,
                "count": 209088,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4338060719,
                "variance": 0.188187708
              },
              {
                "average": 21.04761609,
                "count": 209088,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.620265541,
                "variance": 6.865791503
              },
              {
                "average": 91.3558693,
                "count": 209088,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.5015293,
                "variance": 4290.450341
              },
              {
                "average": 2,
                "count": 209088,
                "maximum": 2,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63909076.97,
                "count": 209088,
                "maximum": 63909081.58,
                "minimum": 63909072.82,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2.116967456,
                "variance": 4.481551209
              },
              {
                "average": 0,
                "count": 209088,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 209088,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 209088,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 209088,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 209088,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637502.49,
              2355998.481,
              17.0745447,
              638000.05,
              2356151.601,
              62.1145447
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637502.4900461712,
                    2355998.481441472,
                    17.074544703284378
                  ],
                  [
                    637502.4900461712,
                    2356151.6014414723,
                    17.074544703284378
                  ],
                  [
                    638000.0500461713,
                    2356151.6014414723,
                    62.11454470328438
                  ],
                  [
                    638000.0500461713,
                    2355998.481441472,
                    62.11454470328438
                  ],
                  [
                    637502.4900461712,
                    2355998.481441472,
                    17.074544703284378
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:18:01+00:00",
            "end_time": "2013-09-22T18:17:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3757.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6733768488839,
              21.316163516694335,
              -1.165308553300022
            ],
            [
              -157.6733540880241,
              21.31869651610627,
              -1.165308553300022
            ],
            [
              -157.66941114371434,
              21.31866536296296,
              218.05469144669996
            ],
            [
              -157.66943397216033,
              21.316132367605743,
              218.05469144669996
            ],
            [
              -157.6733768488839,
              21.316163516694335,
              -1.165308553300022
            ]
          ]
        ]
      },
      "bbox": [
        -157.6733768,
        21.31613237,
        -1.165308553,
        -157.6694111,
        21.31869652,
        218.0546914
      ],
      "properties": {
        "datetime": "2013-09-19T18:52:15Z",
        "pc:count": 558537,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637862.4683,
            "count": 558537,
            "maximum": 638000.0611,
            "minimum": 637591.0411,
            "name": "X",
            "position": 0,
            "stddev": 89.94594724,
            "variance": 8090.273426
          },
          {
            "average": 2357892.723,
            "count": 558537,
            "maximum": 2357998.486,
            "minimum": 2357718.066,
            "name": "Y",
            "position": 1,
            "stddev": 71.22978335,
            "variance": 5073.682036
          },
          {
            "average": 54.20356889,
            "count": 558537,
            "maximum": 218.0546914,
            "minimum": -1.165308553,
            "name": "Z",
            "position": 2,
            "stddev": 44.62266736,
            "variance": 1991.182442
          },
          {
            "average": 13.36746536,
            "count": 558537,
            "maximum": 868,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.61458469,
            "variance": 467.1902712
          },
          {
            "average": 1.674685831,
            "count": 558537,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8917344397,
            "variance": 0.7951903109
          },
          {
            "average": 2.348512274,
            "count": 558537,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.185445952,
            "variance": 1.405282106
          },
          {
            "average": 1,
            "count": 558537,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 558537,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.319255484,
            "count": 558537,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.975948072,
            "variance": 3.904370782
          },
          {
            "average": 18.92155991,
            "count": 558537,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.688437431,
            "variance": 2.850820958
          },
          {
            "average": 89.41948519,
            "count": 558537,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.71981415,
            "variance": 4585.973229
          },
          {
            "average": 4.588064891,
            "count": 558537,
            "maximum": 5,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4921839175,
            "variance": 0.2422450087
          },
          {
            "average": 63651708.61,
            "count": 558537,
            "maximum": 63651935.31,
            "minimum": 63651388.34,
            "name": "GpsTime",
            "position": 12,
            "stddev": 265.0189505,
            "variance": 70235.04414
          },
          {
            "average": 0,
            "count": 558537,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 558537,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 558537,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 558537,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 558537,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637591.0411,
          2357718.066,
          -1.165308553,
          638000.0611,
          2357998.486,
          218.0546914
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637591.0411405448,
                2357718.0656489474,
                -1.165308553300022
              ],
              [
                637591.0411405448,
                2357998.4856489473,
                -1.165308553300022
              ],
              [
                638000.0611405448,
                2357998.4856489473,
                218.05469144669996
              ],
              [
                638000.0611405448,
                2357718.0656489474,
                218.05469144669996
              ],
              [
                637591.0411405448,
                2357718.0656489474,
                -1.165308553300022
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T18:52:15+00:00",
        "end_time": "2013-09-19T18:43:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3757.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3757.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3757.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3757.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6733768,
            21.31613237,
            -1.165308553,
            -157.6694111,
            21.31869652,
            218.0546914
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6733768488839,
                  21.316163516694335,
                  -1.165308553300022
                ],
                [
                  -157.6733540880241,
                  21.31869651610627,
                  -1.165308553300022
                ],
                [
                  -157.66941114371434,
                  21.31866536296296,
                  218.05469144669996
                ],
                [
                  -157.66943397216033,
                  21.316132367605743,
                  218.05469144669996
                ],
                [
                  -157.6733768488839,
                  21.316163516694335,
                  -1.165308553300022
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3757.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3757.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T18:52:15Z",
            "pc:count": 558537,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637862.4683,
                "count": 558537,
                "maximum": 638000.0611,
                "minimum": 637591.0411,
                "name": "X",
                "position": 0,
                "stddev": 89.94594724,
                "variance": 8090.273426
              },
              {
                "average": 2357892.723,
                "count": 558537,
                "maximum": 2357998.486,
                "minimum": 2357718.066,
                "name": "Y",
                "position": 1,
                "stddev": 71.22978335,
                "variance": 5073.682036
              },
              {
                "average": 54.20356889,
                "count": 558537,
                "maximum": 218.0546914,
                "minimum": -1.165308553,
                "name": "Z",
                "position": 2,
                "stddev": 44.62266736,
                "variance": 1991.182442
              },
              {
                "average": 13.36746536,
                "count": 558537,
                "maximum": 868,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.61458469,
                "variance": 467.1902712
              },
              {
                "average": 1.674685831,
                "count": 558537,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8917344397,
                "variance": 0.7951903109
              },
              {
                "average": 2.348512274,
                "count": 558537,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.185445952,
                "variance": 1.405282106
              },
              {
                "average": 1,
                "count": 558537,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 558537,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.319255484,
                "count": 558537,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.975948072,
                "variance": 3.904370782
              },
              {
                "average": 18.92155991,
                "count": 558537,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.688437431,
                "variance": 2.850820958
              },
              {
                "average": 89.41948519,
                "count": 558537,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.71981415,
                "variance": 4585.973229
              },
              {
                "average": 4.588064891,
                "count": 558537,
                "maximum": 5,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4921839175,
                "variance": 0.2422450087
              },
              {
                "average": 63651708.61,
                "count": 558537,
                "maximum": 63651935.31,
                "minimum": 63651388.34,
                "name": "GpsTime",
                "position": 12,
                "stddev": 265.0189505,
                "variance": 70235.04414
              },
              {
                "average": 0,
                "count": 558537,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 558537,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 558537,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 558537,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 558537,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637591.0411,
              2357718.066,
              -1.165308553,
              638000.0611,
              2357998.486,
              218.0546914
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637591.0411405448,
                    2357718.0656489474,
                    -1.165308553300022
                  ],
                  [
                    637591.0411405448,
                    2357998.4856489473,
                    -1.165308553300022
                  ],
                  [
                    638000.0611405448,
                    2357998.4856489473,
                    218.05469144669996
                  ],
                  [
                    638000.0611405448,
                    2357718.0656489474,
                    218.05469144669996
                  ],
                  [
                    637591.0411405448,
                    2357718.0656489474,
                    -1.165308553300022
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T18:52:15+00:00",
            "end_time": "2013-09-19T18:43:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3272.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7261592911448,
              21.44557509272352,
              -30.544164183147263
            ],
            [
              -157.72608080903944,
              21.454608013755518,
              -30.544164183147263
            ],
            [
              -157.7164314878998,
              21.45453427589465,
              32.37583581685274
            ],
            [
              -157.716510552977,
              21.445501389315666,
              32.37583581685274
            ],
            [
              -157.7261592911448,
              21.44557509272352,
              -30.544164183147263
            ]
          ]
        ]
      },
      "bbox": [
        -157.7261593,
        21.44550139,
        -30.54416418,
        -157.7164315,
        21.45460801,
        32.37583582
      ],
      "properties": {
        "datetime": "2013-09-21T02:17:52Z",
        "pc:count": 2280955,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632341.8203,
            "count": 2280955,
            "maximum": 632999.9338,
            "minimum": 631999.9138,
            "name": "X",
            "position": 0,
            "stddev": 246.5171727,
            "variance": 60770.71644
          },
          {
            "average": 2372548.993,
            "count": 2280955,
            "maximum": 2372998.494,
            "minimum": 2371998.494,
            "name": "Y",
            "position": 1,
            "stddev": 275.7524606,
            "variance": 76039.41954
          },
          {
            "average": -9.03112169,
            "count": 2280955,
            "maximum": 32.37583582,
            "minimum": -30.54416418,
            "name": "Z",
            "position": 2,
            "stddev": 9.974165245,
            "variance": 99.48397234
          },
          {
            "average": 81.20579406,
            "count": 2280955,
            "maximum": 1641,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 169.1659296,
            "variance": 28617.11172
          },
          {
            "average": 1.02977174,
            "count": 2280955,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1841456218,
            "variance": 0.03390961004
          },
          {
            "average": 1.059298408,
            "count": 2280955,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2693700032,
            "variance": 0.0725601986
          },
          {
            "average": 1,
            "count": 2280955,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2280955,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.91704308,
            "count": 2280955,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.293106127,
            "variance": 53.18939698
          },
          {
            "average": 17.1226062,
            "count": 2280955,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.006620568,
            "variance": 49.09273178
          },
          {
            "average": 121.354096,
            "count": 2280955,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 85.61991059,
            "variance": 7330.76909
          },
          {
            "average": 17.5118606,
            "count": 2280955,
            "maximum": 21,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.487640692,
            "variance": 2.213074827
          },
          {
            "average": 63764173.91,
            "count": 2280955,
            "maximum": 63765072.13,
            "minimum": 63762228.14,
            "name": "GpsTime",
            "position": 12,
            "stddev": 371.676211,
            "variance": 138143.2059
          },
          {
            "average": 0,
            "count": 2280955,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2280955,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2280955,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2280955,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2280955,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.9138,
          2371998.494,
          -30.54416418,
          632999.9338,
          2372998.494,
          32.37583582
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.9138235336,
                2371998.4942357154,
                -30.544164183147263
              ],
              [
                631999.9138235336,
                2372998.4942357154,
                -30.544164183147263
              ],
              [
                632999.9338235336,
                2372998.4942357154,
                32.37583581685274
              ],
              [
                632999.9338235336,
                2371998.4942357154,
                32.37583581685274
              ],
              [
                631999.9138235336,
                2371998.4942357154,
                -30.544164183147263
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:17:52+00:00",
        "end_time": "2013-09-21T01:30:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3272.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3272.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3272.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3272.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7261593,
            21.44550139,
            -30.54416418,
            -157.7164315,
            21.45460801,
            32.37583582
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7261592911448,
                  21.44557509272352,
                  -30.544164183147263
                ],
                [
                  -157.72608080903944,
                  21.454608013755518,
                  -30.544164183147263
                ],
                [
                  -157.7164314878998,
                  21.45453427589465,
                  32.37583581685274
                ],
                [
                  -157.716510552977,
                  21.445501389315666,
                  32.37583581685274
                ],
                [
                  -157.7261592911448,
                  21.44557509272352,
                  -30.544164183147263
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3272.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3272.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:17:52Z",
            "pc:count": 2280955,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632341.8203,
                "count": 2280955,
                "maximum": 632999.9338,
                "minimum": 631999.9138,
                "name": "X",
                "position": 0,
                "stddev": 246.5171727,
                "variance": 60770.71644
              },
              {
                "average": 2372548.993,
                "count": 2280955,
                "maximum": 2372998.494,
                "minimum": 2371998.494,
                "name": "Y",
                "position": 1,
                "stddev": 275.7524606,
                "variance": 76039.41954
              },
              {
                "average": -9.03112169,
                "count": 2280955,
                "maximum": 32.37583582,
                "minimum": -30.54416418,
                "name": "Z",
                "position": 2,
                "stddev": 9.974165245,
                "variance": 99.48397234
              },
              {
                "average": 81.20579406,
                "count": 2280955,
                "maximum": 1641,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 169.1659296,
                "variance": 28617.11172
              },
              {
                "average": 1.02977174,
                "count": 2280955,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1841456218,
                "variance": 0.03390961004
              },
              {
                "average": 1.059298408,
                "count": 2280955,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2693700032,
                "variance": 0.0725601986
              },
              {
                "average": 1,
                "count": 2280955,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2280955,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.91704308,
                "count": 2280955,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.293106127,
                "variance": 53.18939698
              },
              {
                "average": 17.1226062,
                "count": 2280955,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.006620568,
                "variance": 49.09273178
              },
              {
                "average": 121.354096,
                "count": 2280955,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 85.61991059,
                "variance": 7330.76909
              },
              {
                "average": 17.5118606,
                "count": 2280955,
                "maximum": 21,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.487640692,
                "variance": 2.213074827
              },
              {
                "average": 63764173.91,
                "count": 2280955,
                "maximum": 63765072.13,
                "minimum": 63762228.14,
                "name": "GpsTime",
                "position": 12,
                "stddev": 371.676211,
                "variance": 138143.2059
              },
              {
                "average": 0,
                "count": 2280955,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2280955,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2280955,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2280955,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2280955,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.9138,
              2371998.494,
              -30.54416418,
              632999.9338,
              2372998.494,
              32.37583582
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.9138235336,
                    2371998.4942357154,
                    -30.544164183147263
                  ],
                  [
                    631999.9138235336,
                    2372998.4942357154,
                    -30.544164183147263
                  ],
                  [
                    632999.9338235336,
                    2372998.4942357154,
                    32.37583581685274
                  ],
                  [
                    632999.9338235336,
                    2371998.4942357154,
                    32.37583581685274
                  ],
                  [
                    631999.9138235336,
                    2371998.4942357154,
                    -30.544164183147263
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:17:52+00:00",
            "end_time": "2013-09-21T01:30:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3452.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70844619204055,
              21.26476754840768,
              2.013843655936299
            ],
            [
              -157.70836736981224,
              21.27380078506013,
              2.013843655936299
            ],
            [
              -157.6987298076812,
              21.273726609427282,
              202.41384365593632
            ],
            [
              -157.69880921750246,
              21.264693407309057,
              202.41384365593632
            ],
            [
              -157.70844619204055,
              21.26476754840768,
              2.013843655936299
            ]
          ]
        ]
      },
      "bbox": [
        -157.7084462,
        21.26469341,
        2.013843656,
        -157.6987298,
        21.27380079,
        202.4138437
      ],
      "properties": {
        "datetime": "2013-09-22T19:55:30Z",
        "pc:count": 13469284,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634505.821,
            "count": 13469284,
            "maximum": 634999.9699,
            "minimum": 633999.9299,
            "name": "X",
            "position": 0,
            "stddev": 297.1299205,
            "variance": 88286.18963
          },
          {
            "average": 2352478.13,
            "count": 13469284,
            "maximum": 2352998.469,
            "minimum": 2351998.449,
            "name": "Y",
            "position": 1,
            "stddev": 291.7511635,
            "variance": 85118.74141
          },
          {
            "average": 68.68211128,
            "count": 13469284,
            "maximum": 202.4138437,
            "minimum": 2.013843656,
            "name": "Z",
            "position": 2,
            "stddev": 50.01440009,
            "variance": 2501.440216
          },
          {
            "average": 21.86803738,
            "count": 13469284,
            "maximum": 876,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.95629375,
            "variance": 1365.767648
          },
          {
            "average": 1.567000815,
            "count": 13469284,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9328700945,
            "variance": 0.8702466133
          },
          {
            "average": 2.137112856,
            "count": 13469284,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.383855728,
            "variance": 1.915056676
          },
          {
            "average": 1,
            "count": 13469284,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13469284,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.101244877,
            "count": 13469284,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3016527118,
            "variance": 0.09099435853
          },
          {
            "average": 20.17340445,
            "count": 13469284,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.167684029,
            "variance": 4.69885405
          },
          {
            "average": 90.54572834,
            "count": 13469284,
            "maximum": 204,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.93574277,
            "variance": 4347.522175
          },
          {
            "average": 17.29280651,
            "count": 13469284,
            "maximum": 21,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.282981405,
            "variance": 5.212004097
          },
          {
            "average": 63418438.89,
            "count": 13469284,
            "maximum": 63914930.1,
            "minimum": 63383021.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 130247.877,
            "variance": 16964509460.0
          },
          {
            "average": 0,
            "count": 13469284,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13469284,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13469284,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13469284,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13469284,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9299,
          2351998.449,
          2.013843656,
          634999.9699,
          2352998.469,
          202.4138437
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.9298559807,
                2351998.448578543,
                2.013843655936299
              ],
              [
                633999.9298559807,
                2352998.4685785426,
                2.013843655936299
              ],
              [
                634999.9698559807,
                2352998.4685785426,
                202.41384365593632
              ],
              [
                634999.9698559807,
                2351998.448578543,
                202.41384365593632
              ],
              [
                633999.9298559807,
                2351998.448578543,
                2.013843655936299
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:55:30+00:00",
        "end_time": "2013-09-16T16:10:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3452.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3452.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3452.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3452.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7084462,
            21.26469341,
            2.013843656,
            -157.6987298,
            21.27380079,
            202.4138437
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70844619204055,
                  21.26476754840768,
                  2.013843655936299
                ],
                [
                  -157.70836736981224,
                  21.27380078506013,
                  2.013843655936299
                ],
                [
                  -157.6987298076812,
                  21.273726609427282,
                  202.41384365593632
                ],
                [
                  -157.69880921750246,
                  21.264693407309057,
                  202.41384365593632
                ],
                [
                  -157.70844619204055,
                  21.26476754840768,
                  2.013843655936299
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3452.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3452.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:55:30Z",
            "pc:count": 13469284,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634505.821,
                "count": 13469284,
                "maximum": 634999.9699,
                "minimum": 633999.9299,
                "name": "X",
                "position": 0,
                "stddev": 297.1299205,
                "variance": 88286.18963
              },
              {
                "average": 2352478.13,
                "count": 13469284,
                "maximum": 2352998.469,
                "minimum": 2351998.449,
                "name": "Y",
                "position": 1,
                "stddev": 291.7511635,
                "variance": 85118.74141
              },
              {
                "average": 68.68211128,
                "count": 13469284,
                "maximum": 202.4138437,
                "minimum": 2.013843656,
                "name": "Z",
                "position": 2,
                "stddev": 50.01440009,
                "variance": 2501.440216
              },
              {
                "average": 21.86803738,
                "count": 13469284,
                "maximum": 876,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.95629375,
                "variance": 1365.767648
              },
              {
                "average": 1.567000815,
                "count": 13469284,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9328700945,
                "variance": 0.8702466133
              },
              {
                "average": 2.137112856,
                "count": 13469284,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.383855728,
                "variance": 1.915056676
              },
              {
                "average": 1,
                "count": 13469284,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13469284,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.101244877,
                "count": 13469284,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3016527118,
                "variance": 0.09099435853
              },
              {
                "average": 20.17340445,
                "count": 13469284,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.167684029,
                "variance": 4.69885405
              },
              {
                "average": 90.54572834,
                "count": 13469284,
                "maximum": 204,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.93574277,
                "variance": 4347.522175
              },
              {
                "average": 17.29280651,
                "count": 13469284,
                "maximum": 21,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.282981405,
                "variance": 5.212004097
              },
              {
                "average": 63418438.89,
                "count": 13469284,
                "maximum": 63914930.1,
                "minimum": 63383021.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 130247.877,
                "variance": 16964509460.0
              },
              {
                "average": 0,
                "count": 13469284,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13469284,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13469284,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13469284,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13469284,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9299,
              2351998.449,
              2.013843656,
              634999.9699,
              2352998.469,
              202.4138437
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.9298559807,
                    2351998.448578543,
                    2.013843655936299
                  ],
                  [
                    633999.9298559807,
                    2352998.4685785426,
                    2.013843655936299
                  ],
                  [
                    634999.9698559807,
                    2352998.4685785426,
                    202.41384365593632
                  ],
                  [
                    634999.9698559807,
                    2351998.448578543,
                    202.41384365593632
                  ],
                  [
                    633999.9298559807,
                    2351998.448578543,
                    2.013843655936299
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:55:30+00:00",
            "end_time": "2013-09-16T16:10:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3068.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.74576586472625,
              21.409588540257975,
              -4.238614998186513
            ],
            [
              -157.74568874837374,
              21.41862174507814,
              -4.238614998186513
            ],
            [
              -157.73604157053109,
              21.418549240264888,
              38.121385001813486
            ],
            [
              -157.7361192782899,
              21.409516068907923,
              38.121385001813486
            ],
            [
              -157.74576586472625,
              21.409588540257975,
              -4.238614998186513
            ]
          ]
        ]
      },
      "bbox": [
        -157.7457659,
        21.40951607,
        -4.238614998,
        -157.7360416,
        21.41862175,
        38.121385
      ],
      "properties": {
        "datetime": "2013-09-20T02:19:40Z",
        "pc:count": 2516293,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630246.2099,
            "count": 2516293,
            "maximum": 630999.8883,
            "minimum": 629999.8483,
            "name": "X",
            "position": 0,
            "stddev": 260.1497504,
            "variance": 67677.89262
          },
          {
            "average": 2368395.108,
            "count": 2516293,
            "maximum": 2368998.483,
            "minimum": 2367998.463,
            "name": "Y",
            "position": 1,
            "stddev": 278.1361489,
            "variance": 77359.71735
          },
          {
            "average": 5.488812293,
            "count": 2516293,
            "maximum": 38.121385,
            "minimum": -4.238614998,
            "name": "Z",
            "position": 2,
            "stddev": 4.989018299,
            "variance": 24.89030359
          },
          {
            "average": 29.22019932,
            "count": 2516293,
            "maximum": 7807,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 56.7064515,
            "variance": 3215.621642
          },
          {
            "average": 1.419819949,
            "count": 2516293,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8089427933,
            "variance": 0.6543884428
          },
          {
            "average": 1.843350913,
            "count": 2516293,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.210792053,
            "variance": 1.466017396
          },
          {
            "average": 1,
            "count": 2516293,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2516293,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.976369207,
            "count": 2516293,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.519222731,
            "variance": 90.6156014
          },
          {
            "average": 20.06668873,
            "count": 2516293,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.151582124,
            "variance": 4.629305635
          },
          {
            "average": 91.13697451,
            "count": 2516293,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.90591591,
            "variance": 4476.401584
          },
          {
            "average": 8.067424581,
            "count": 2516293,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.716121397,
            "variance": 2.945072649
          },
          {
            "average": 63658577.96,
            "count": 2516293,
            "maximum": 63678780.93,
            "minimum": 63595162.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3356.54753,
            "variance": 11266411.32
          },
          {
            "average": 0,
            "count": 2516293,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2516293,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2516293,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2516293,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2516293,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8483,
          2367998.463,
          -4.238614998,
          630999.8883,
          2368998.483,
          38.121385
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.848343193,
                2367998.463031577,
                -4.238614998186513
              ],
              [
                629999.848343193,
                2368998.4830315765,
                -4.238614998186513
              ],
              [
                630999.888343193,
                2368998.4830315765,
                38.121385001813486
              ],
              [
                630999.888343193,
                2367998.463031577,
                38.121385001813486
              ],
              [
                629999.848343193,
                2367998.463031577,
                -4.238614998186513
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:19:40+00:00",
        "end_time": "2013-09-19T03:06:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3068.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3068.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3068.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3068.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7457659,
            21.40951607,
            -4.238614998,
            -157.7360416,
            21.41862175,
            38.121385
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.74576586472625,
                  21.409588540257975,
                  -4.238614998186513
                ],
                [
                  -157.74568874837374,
                  21.41862174507814,
                  -4.238614998186513
                ],
                [
                  -157.73604157053109,
                  21.418549240264888,
                  38.121385001813486
                ],
                [
                  -157.7361192782899,
                  21.409516068907923,
                  38.121385001813486
                ],
                [
                  -157.74576586472625,
                  21.409588540257975,
                  -4.238614998186513
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3068.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3068.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:19:40Z",
            "pc:count": 2516293,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630246.2099,
                "count": 2516293,
                "maximum": 630999.8883,
                "minimum": 629999.8483,
                "name": "X",
                "position": 0,
                "stddev": 260.1497504,
                "variance": 67677.89262
              },
              {
                "average": 2368395.108,
                "count": 2516293,
                "maximum": 2368998.483,
                "minimum": 2367998.463,
                "name": "Y",
                "position": 1,
                "stddev": 278.1361489,
                "variance": 77359.71735
              },
              {
                "average": 5.488812293,
                "count": 2516293,
                "maximum": 38.121385,
                "minimum": -4.238614998,
                "name": "Z",
                "position": 2,
                "stddev": 4.989018299,
                "variance": 24.89030359
              },
              {
                "average": 29.22019932,
                "count": 2516293,
                "maximum": 7807,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 56.7064515,
                "variance": 3215.621642
              },
              {
                "average": 1.419819949,
                "count": 2516293,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8089427933,
                "variance": 0.6543884428
              },
              {
                "average": 1.843350913,
                "count": 2516293,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.210792053,
                "variance": 1.466017396
              },
              {
                "average": 1,
                "count": 2516293,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2516293,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.976369207,
                "count": 2516293,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.519222731,
                "variance": 90.6156014
              },
              {
                "average": 20.06668873,
                "count": 2516293,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.151582124,
                "variance": 4.629305635
              },
              {
                "average": 91.13697451,
                "count": 2516293,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.90591591,
                "variance": 4476.401584
              },
              {
                "average": 8.067424581,
                "count": 2516293,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.716121397,
                "variance": 2.945072649
              },
              {
                "average": 63658577.96,
                "count": 2516293,
                "maximum": 63678780.93,
                "minimum": 63595162.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3356.54753,
                "variance": 11266411.32
              },
              {
                "average": 0,
                "count": 2516293,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2516293,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2516293,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2516293,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2516293,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8483,
              2367998.463,
              -4.238614998,
              630999.8883,
              2368998.483,
              38.121385
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.848343193,
                    2367998.463031577,
                    -4.238614998186513
                  ],
                  [
                    629999.848343193,
                    2368998.4830315765,
                    -4.238614998186513
                  ],
                  [
                    630999.888343193,
                    2368998.4830315765,
                    38.121385001813486
                  ],
                  [
                    630999.888343193,
                    2367998.463031577,
                    38.121385001813486
                  ],
                  [
                    629999.848343193,
                    2367998.463031577,
                    -4.238614998186513
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:19:40+00:00",
            "end_time": "2013-09-19T03:06:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2864.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.76224027366464,
              21.377113796744467,
              2.411664384360474
            ],
            [
              -157.7621940918176,
              21.382609726561515,
              2.411664384360474
            ],
            [
              -157.7556414496347,
              21.382561249689964,
              59.63166438436048
            ],
            [
              -157.75568787338526,
              21.37706533361832,
              59.63166438436048
            ],
            [
              -157.76224027366464,
              21.377113796744467,
              2.411664384360474
            ]
          ]
        ]
      },
      "bbox": [
        -157.7622403,
        21.37706533,
        2.411664384,
        -157.7556414,
        21.38260973,
        59.63166438
      ],
      "properties": {
        "datetime": "2013-09-21T00:53:04Z",
        "pc:count": 1211740,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628782.6326,
            "count": 1211740,
            "maximum": 628999.833,
            "minimum": 628320.413,
            "name": "X",
            "position": 0,
            "stddev": 149.767877,
            "variance": 22430.41698
          },
          {
            "average": 2364799.676,
            "count": 1211740,
            "maximum": 2364998.466,
            "minimum": 2364390.046,
            "name": "Y",
            "position": 1,
            "stddev": 146.044981,
            "variance": 21329.13649
          },
          {
            "average": 31.37616473,
            "count": 1211740,
            "maximum": 59.63166438,
            "minimum": 2.411664384,
            "name": "Z",
            "position": 2,
            "stddev": 13.29717133,
            "variance": 176.8147655
          },
          {
            "average": 21.31042798,
            "count": 1211740,
            "maximum": 827,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 40.27041959,
            "variance": 1621.706694
          },
          {
            "average": 1.52629442,
            "count": 1211740,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.891329968,
            "variance": 0.7944691119
          },
          {
            "average": 2.052857874,
            "count": 1211740,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.308754952,
            "variance": 1.712839525
          },
          {
            "average": 1,
            "count": 1211740,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1211740,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.203393467,
            "count": 1211740,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4025229167,
            "variance": 0.1620246984
          },
          {
            "average": 19.81393936,
            "count": 1211740,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.093082236,
            "variance": 4.380993247
          },
          {
            "average": 91.67426841,
            "count": 1211740,
            "maximum": 205,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.94568429,
            "variance": 4348.833276
          },
          {
            "average": 4.676594814,
            "count": 1211740,
            "maximum": 5,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.5280129415,
            "variance": 0.2787976664
          },
          {
            "average": 63759762.34,
            "count": 1211740,
            "maximum": 63759984.28,
            "minimum": 63758832.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 341.5056076,
            "variance": 116626.08
          },
          {
            "average": 0,
            "count": 1211740,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1211740,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1211740,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1211740,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1211740,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628320.413,
          2364390.046,
          2.411664384,
          628999.833,
          2364998.466,
          59.63166438
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628320.4130225789,
                2364390.045926121,
                2.411664384360474
              ],
              [
                628320.4130225789,
                2364998.465926121,
                2.411664384360474
              ],
              [
                628999.8330225789,
                2364998.465926121,
                59.63166438436048
              ],
              [
                628999.8330225789,
                2364390.045926121,
                59.63166438436048
              ],
              [
                628320.4130225789,
                2364390.045926121,
                2.411664384360474
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:53:04+00:00",
        "end_time": "2013-09-21T00:33:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2864.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2864.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2864.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2864.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7622403,
            21.37706533,
            2.411664384,
            -157.7556414,
            21.38260973,
            59.63166438
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.76224027366464,
                  21.377113796744467,
                  2.411664384360474
                ],
                [
                  -157.7621940918176,
                  21.382609726561515,
                  2.411664384360474
                ],
                [
                  -157.7556414496347,
                  21.382561249689964,
                  59.63166438436048
                ],
                [
                  -157.75568787338526,
                  21.37706533361832,
                  59.63166438436048
                ],
                [
                  -157.76224027366464,
                  21.377113796744467,
                  2.411664384360474
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2864.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2864.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:53:04Z",
            "pc:count": 1211740,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628782.6326,
                "count": 1211740,
                "maximum": 628999.833,
                "minimum": 628320.413,
                "name": "X",
                "position": 0,
                "stddev": 149.767877,
                "variance": 22430.41698
              },
              {
                "average": 2364799.676,
                "count": 1211740,
                "maximum": 2364998.466,
                "minimum": 2364390.046,
                "name": "Y",
                "position": 1,
                "stddev": 146.044981,
                "variance": 21329.13649
              },
              {
                "average": 31.37616473,
                "count": 1211740,
                "maximum": 59.63166438,
                "minimum": 2.411664384,
                "name": "Z",
                "position": 2,
                "stddev": 13.29717133,
                "variance": 176.8147655
              },
              {
                "average": 21.31042798,
                "count": 1211740,
                "maximum": 827,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 40.27041959,
                "variance": 1621.706694
              },
              {
                "average": 1.52629442,
                "count": 1211740,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.891329968,
                "variance": 0.7944691119
              },
              {
                "average": 2.052857874,
                "count": 1211740,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.308754952,
                "variance": 1.712839525
              },
              {
                "average": 1,
                "count": 1211740,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1211740,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.203393467,
                "count": 1211740,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4025229167,
                "variance": 0.1620246984
              },
              {
                "average": 19.81393936,
                "count": 1211740,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.093082236,
                "variance": 4.380993247
              },
              {
                "average": 91.67426841,
                "count": 1211740,
                "maximum": 205,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.94568429,
                "variance": 4348.833276
              },
              {
                "average": 4.676594814,
                "count": 1211740,
                "maximum": 5,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.5280129415,
                "variance": 0.2787976664
              },
              {
                "average": 63759762.34,
                "count": 1211740,
                "maximum": 63759984.28,
                "minimum": 63758832.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 341.5056076,
                "variance": 116626.08
              },
              {
                "average": 0,
                "count": 1211740,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1211740,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1211740,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1211740,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1211740,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628320.413,
              2364390.046,
              2.411664384,
              628999.833,
              2364998.466,
              59.63166438
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628320.4130225789,
                    2364390.045926121,
                    2.411664384360474
                  ],
                  [
                    628320.4130225789,
                    2364998.465926121,
                    2.411664384360474
                  ],
                  [
                    628999.8330225789,
                    2364998.465926121,
                    59.63166438436048
                  ],
                  [
                    628999.8330225789,
                    2364390.045926121,
                    59.63166438436048
                  ],
                  [
                    628320.4130225789,
                    2364390.045926121,
                    2.411664384360474
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:53:04+00:00",
            "end_time": "2013-09-21T00:33:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2966.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75556511999878,
              21.391594336515308,
              -0.055703992470573
            ],
            [
              -157.75548871334345,
              21.400627414127435,
              -0.055703992470573
            ],
            [
              -157.74584289417297,
              21.400555531046752,
              49.264296007529424
            ],
            [
              -157.7459198908352,
              21.391522486770256,
              49.264296007529424
            ],
            [
              -157.75556511999878,
              21.391594336515308,
              -0.055703992470573
            ]
          ]
        ]
      },
      "bbox": [
        -157.7555651,
        21.39152249,
        -0.05570399247,
        -157.7458429,
        21.40062741,
        49.26429601
      ],
      "properties": {
        "datetime": "2013-09-20T20:51:07Z",
        "pc:count": 5995994,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629514.1774,
            "count": 5995994,
            "maximum": 629999.851,
            "minimum": 628999.831,
            "name": "X",
            "position": 0,
            "stddev": 288.6727315,
            "variance": 83331.94592
          },
          {
            "average": 2366515.084,
            "count": 5995994,
            "maximum": 2366998.466,
            "minimum": 2365998.466,
            "name": "Y",
            "position": 1,
            "stddev": 292.6677008,
            "variance": 85654.3831
          },
          {
            "average": 4.499771398,
            "count": 5995994,
            "maximum": 49.26429601,
            "minimum": -0.05570399247,
            "name": "Z",
            "position": 2,
            "stddev": 3.413787813,
            "variance": 11.65394723
          },
          {
            "average": 23.27092689,
            "count": 5995994,
            "maximum": 873,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.69922983,
            "variance": 1274.43501
          },
          {
            "average": 1.279551147,
            "count": 5995994,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6381717252,
            "variance": 0.4072631508
          },
          {
            "average": 1.559258231,
            "count": 5995994,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9549416541,
            "variance": 0.9119135628
          },
          {
            "average": 1,
            "count": 5995994,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5995994,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.213522562,
            "count": 5995994,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4097934912,
            "variance": 0.1679307055
          },
          {
            "average": 20.03115926,
            "count": 5995994,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.055023106,
            "variance": 4.223119968
          },
          {
            "average": 91.61218257,
            "count": 5995994,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.81830189,
            "variance": 4201.412259
          },
          {
            "average": 5.973934764,
            "count": 5995994,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.569784671,
            "variance": 2.464223915
          },
          {
            "average": 63743079.04,
            "count": 5995994,
            "maximum": 63745467.49,
            "minimum": 63740702.63,
            "name": "GpsTime",
            "position": 12,
            "stddev": 930.5475388,
            "variance": 865918.722
          },
          {
            "average": 0,
            "count": 5995994,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5995994,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5995994,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5995994,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5995994,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.831,
          2365998.466,
          -0.05570399247,
          629999.851,
          2366998.466,
          49.26429601
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.831045486,
                2365998.4658217975,
                -0.055703992470573
              ],
              [
                628999.831045486,
                2366998.4658217975,
                -0.055703992470573
              ],
              [
                629999.851045486,
                2366998.4658217975,
                49.264296007529424
              ],
              [
                629999.851045486,
                2365998.4658217975,
                49.264296007529424
              ],
              [
                628999.831045486,
                2365998.4658217975,
                -0.055703992470573
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:51:07+00:00",
        "end_time": "2013-09-20T19:31:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2966.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2966.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2966.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2966.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7555651,
            21.39152249,
            -0.05570399247,
            -157.7458429,
            21.40062741,
            49.26429601
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75556511999878,
                  21.391594336515308,
                  -0.055703992470573
                ],
                [
                  -157.75548871334345,
                  21.400627414127435,
                  -0.055703992470573
                ],
                [
                  -157.74584289417297,
                  21.400555531046752,
                  49.264296007529424
                ],
                [
                  -157.7459198908352,
                  21.391522486770256,
                  49.264296007529424
                ],
                [
                  -157.75556511999878,
                  21.391594336515308,
                  -0.055703992470573
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2966.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2966.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:51:07Z",
            "pc:count": 5995994,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629514.1774,
                "count": 5995994,
                "maximum": 629999.851,
                "minimum": 628999.831,
                "name": "X",
                "position": 0,
                "stddev": 288.6727315,
                "variance": 83331.94592
              },
              {
                "average": 2366515.084,
                "count": 5995994,
                "maximum": 2366998.466,
                "minimum": 2365998.466,
                "name": "Y",
                "position": 1,
                "stddev": 292.6677008,
                "variance": 85654.3831
              },
              {
                "average": 4.499771398,
                "count": 5995994,
                "maximum": 49.26429601,
                "minimum": -0.05570399247,
                "name": "Z",
                "position": 2,
                "stddev": 3.413787813,
                "variance": 11.65394723
              },
              {
                "average": 23.27092689,
                "count": 5995994,
                "maximum": 873,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.69922983,
                "variance": 1274.43501
              },
              {
                "average": 1.279551147,
                "count": 5995994,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6381717252,
                "variance": 0.4072631508
              },
              {
                "average": 1.559258231,
                "count": 5995994,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9549416541,
                "variance": 0.9119135628
              },
              {
                "average": 1,
                "count": 5995994,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5995994,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.213522562,
                "count": 5995994,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4097934912,
                "variance": 0.1679307055
              },
              {
                "average": 20.03115926,
                "count": 5995994,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.055023106,
                "variance": 4.223119968
              },
              {
                "average": 91.61218257,
                "count": 5995994,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.81830189,
                "variance": 4201.412259
              },
              {
                "average": 5.973934764,
                "count": 5995994,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.569784671,
                "variance": 2.464223915
              },
              {
                "average": 63743079.04,
                "count": 5995994,
                "maximum": 63745467.49,
                "minimum": 63740702.63,
                "name": "GpsTime",
                "position": 12,
                "stddev": 930.5475388,
                "variance": 865918.722
              },
              {
                "average": 0,
                "count": 5995994,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5995994,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5995994,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5995994,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5995994,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.831,
              2365998.466,
              -0.05570399247,
              629999.851,
              2366998.466,
              49.26429601
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.831045486,
                    2365998.4658217975,
                    -0.055703992470573
                  ],
                  [
                    628999.831045486,
                    2366998.4658217975,
                    -0.055703992470573
                  ],
                  [
                    629999.851045486,
                    2366998.4658217975,
                    49.264296007529424
                  ],
                  [
                    629999.851045486,
                    2365998.4658217975,
                    49.264296007529424
                  ],
                  [
                    628999.831045486,
                    2365998.4658217975,
                    -0.055703992470573
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:51:07+00:00",
            "end_time": "2013-09-20T19:31:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3172.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73580815303177,
              21.44564816782959,
              -11.687150374235074
            ],
            [
              -157.73573026238574,
              21.45468112272088,
              -11.687150374235074
            ],
            [
              -157.72608074778222,
              21.45460792969039,
              206.11284962576494
            ],
            [
              -157.72615922989098,
              21.445575008658526,
              206.11284962576494
            ],
            [
              -157.73580815303177,
              21.44564816782959,
              -11.687150374235074
            ]
          ]
        ]
      },
      "bbox": [
        -157.7358082,
        21.44557501,
        -11.68715037,
        -157.7260807,
        21.45468112,
        206.1128496
      ],
      "properties": {
        "datetime": "2013-09-21T02:21:57Z",
        "pc:count": 6074095,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631455.3408,
            "count": 6074095,
            "maximum": 631999.9202,
            "minimum": 630999.8802,
            "name": "X",
            "position": 0,
            "stddev": 281.0133799,
            "variance": 78968.51966
          },
          {
            "average": 2372542.458,
            "count": 6074095,
            "maximum": 2372998.485,
            "minimum": 2371998.485,
            "name": "Y",
            "position": 1,
            "stddev": 282.1401415,
            "variance": 79603.05945
          },
          {
            "average": 49.1092779,
            "count": 6074095,
            "maximum": 206.1128496,
            "minimum": -11.68715037,
            "name": "Z",
            "position": 2,
            "stddev": 42.750051,
            "variance": 1827.566861
          },
          {
            "average": 25.26764695,
            "count": 6074095,
            "maximum": 1061,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.7822829,
            "variance": 1352.936335
          },
          {
            "average": 1.388532283,
            "count": 6074095,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7816553456,
            "variance": 0.6109850794
          },
          {
            "average": 1.777242865,
            "count": 6074095,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.191569099,
            "variance": 1.419836918
          },
          {
            "average": 1,
            "count": 6074095,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6074095,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.614268298,
            "count": 6074095,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.71273354,
            "variance": 59.48625866
          },
          {
            "average": 20.06917539,
            "count": 6074095,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.33299757,
            "variance": 5.44287766
          },
          {
            "average": 90.76875749,
            "count": 6074095,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.2407899,
            "variance": 4256.360667
          },
          {
            "average": 19.43591613,
            "count": 6074095,
            "maximum": 22,
            "minimum": 9,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.683089285,
            "variance": 7.198968111
          },
          {
            "average": 63764649.86,
            "count": 6074095,
            "maximum": 63765317.24,
            "minimum": 63761724.54,
            "name": "GpsTime",
            "position": 12,
            "stddev": 703.4390993,
            "variance": 494826.5664
          },
          {
            "average": 0,
            "count": 6074095,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6074095,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6074095,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6074095,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6074095,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8802,
          2371998.485,
          -11.68715037,
          631999.9202,
          2372998.485,
          206.1128496
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8802473028,
                2371998.4849814298,
                -11.687150374235074
              ],
              [
                630999.8802473028,
                2372998.4849814298,
                -11.687150374235074
              ],
              [
                631999.9202473029,
                2372998.4849814298,
                206.11284962576494
              ],
              [
                631999.9202473029,
                2371998.4849814298,
                206.11284962576494
              ],
              [
                630999.8802473028,
                2371998.4849814298,
                -11.687150374235074
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:21:57+00:00",
        "end_time": "2013-09-21T01:22:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3172.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3172.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3172.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3172.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7358082,
            21.44557501,
            -11.68715037,
            -157.7260807,
            21.45468112,
            206.1128496
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73580815303177,
                  21.44564816782959,
                  -11.687150374235074
                ],
                [
                  -157.73573026238574,
                  21.45468112272088,
                  -11.687150374235074
                ],
                [
                  -157.72608074778222,
                  21.45460792969039,
                  206.11284962576494
                ],
                [
                  -157.72615922989098,
                  21.445575008658526,
                  206.11284962576494
                ],
                [
                  -157.73580815303177,
                  21.44564816782959,
                  -11.687150374235074
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3172.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3172.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:21:57Z",
            "pc:count": 6074095,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631455.3408,
                "count": 6074095,
                "maximum": 631999.9202,
                "minimum": 630999.8802,
                "name": "X",
                "position": 0,
                "stddev": 281.0133799,
                "variance": 78968.51966
              },
              {
                "average": 2372542.458,
                "count": 6074095,
                "maximum": 2372998.485,
                "minimum": 2371998.485,
                "name": "Y",
                "position": 1,
                "stddev": 282.1401415,
                "variance": 79603.05945
              },
              {
                "average": 49.1092779,
                "count": 6074095,
                "maximum": 206.1128496,
                "minimum": -11.68715037,
                "name": "Z",
                "position": 2,
                "stddev": 42.750051,
                "variance": 1827.566861
              },
              {
                "average": 25.26764695,
                "count": 6074095,
                "maximum": 1061,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.7822829,
                "variance": 1352.936335
              },
              {
                "average": 1.388532283,
                "count": 6074095,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7816553456,
                "variance": 0.6109850794
              },
              {
                "average": 1.777242865,
                "count": 6074095,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.191569099,
                "variance": 1.419836918
              },
              {
                "average": 1,
                "count": 6074095,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6074095,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.614268298,
                "count": 6074095,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.71273354,
                "variance": 59.48625866
              },
              {
                "average": 20.06917539,
                "count": 6074095,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.33299757,
                "variance": 5.44287766
              },
              {
                "average": 90.76875749,
                "count": 6074095,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.2407899,
                "variance": 4256.360667
              },
              {
                "average": 19.43591613,
                "count": 6074095,
                "maximum": 22,
                "minimum": 9,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.683089285,
                "variance": 7.198968111
              },
              {
                "average": 63764649.86,
                "count": 6074095,
                "maximum": 63765317.24,
                "minimum": 63761724.54,
                "name": "GpsTime",
                "position": 12,
                "stddev": 703.4390993,
                "variance": 494826.5664
              },
              {
                "average": 0,
                "count": 6074095,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6074095,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6074095,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6074095,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6074095,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8802,
              2371998.485,
              -11.68715037,
              631999.9202,
              2372998.485,
              206.1128496
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8802473028,
                    2371998.4849814298,
                    -11.687150374235074
                  ],
                  [
                    630999.8802473028,
                    2372998.4849814298,
                    -11.687150374235074
                  ],
                  [
                    631999.9202473029,
                    2372998.4849814298,
                    206.11284962576494
                  ],
                  [
                    631999.9202473029,
                    2371998.4849814298,
                    206.11284962576494
                  ],
                  [
                    630999.8802473028,
                    2371998.4849814298,
                    -11.687150374235074
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:21:57+00:00",
            "end_time": "2013-09-21T01:22:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3273.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72608081975736,
              21.4546078721024,
              -26.99240560662365
            ],
            [
              -157.72600229480506,
              21.4636409652377,
              -26.99240560662365
            ],
            [
              -157.71635238917332,
              21.463567192455596,
              98.12759439337636
            ],
            [
              -157.7164314986269,
              21.45453413424262,
              98.12759439337636
            ],
            [
              -157.72608081975736,
              21.4546078721024,
              -26.99240560662365
            ]
          ]
        ]
      },
      "bbox": [
        -157.7260808,
        21.45453413,
        -26.99240561,
        -157.7163524,
        21.46364097,
        98.12759439
      ],
      "properties": {
        "datetime": "2013-09-21T02:00:57Z",
        "pc:count": 3396157,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632429.9008,
            "count": 3396157,
            "maximum": 632999.9328,
            "minimum": 631999.9128,
            "name": "X",
            "position": 0,
            "stddev": 278.2120077,
            "variance": 77401.92121
          },
          {
            "average": 2373506.125,
            "count": 3396157,
            "maximum": 2373998.499,
            "minimum": 2372998.479,
            "name": "Y",
            "position": 1,
            "stddev": 284.8033276,
            "variance": 81112.93543
          },
          {
            "average": 5.247623838,
            "count": 3396157,
            "maximum": 98.12759439,
            "minimum": -26.99240561,
            "name": "Z",
            "position": 2,
            "stddev": 27.17867467,
            "variance": 738.6803567
          },
          {
            "average": 24.85739293,
            "count": 3396157,
            "maximum": 8830,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 59.5449257,
            "variance": 3545.598177
          },
          {
            "average": 1.074518345,
            "count": 3396157,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3248406033,
            "variance": 0.1055214175
          },
          {
            "average": 1.148890054,
            "count": 3396157,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4981285471,
            "variance": 0.2481320494
          },
          {
            "average": 1,
            "count": 3396157,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3396157,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.93173549,
            "count": 3396157,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.5873008,
            "variance": 158.4401414
          },
          {
            "average": 18.09226492,
            "count": 3396157,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.93488614,
            "variance": 35.22287349
          },
          {
            "average": 103.1034505,
            "count": 3396157,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 73.40990405,
            "variance": 5389.014012
          },
          {
            "average": 12.65048377,
            "count": 3396157,
            "maximum": 17,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.847017201,
            "variance": 8.105506943
          },
          {
            "average": 63762746.53,
            "count": 3396157,
            "maximum": 63764057.31,
            "minimum": 63760483.69,
            "name": "GpsTime",
            "position": 12,
            "stddev": 980.5395363,
            "variance": 961457.7822
          },
          {
            "average": 0,
            "count": 3396157,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3396157,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3396157,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3396157,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3396157,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.9128,
          2372998.479,
          -26.99240561,
          632999.9328,
          2373998.499,
          98.12759439
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.9128404132,
                2372998.478545839,
                -26.99240560662365
              ],
              [
                631999.9128404132,
                2373998.4985458385,
                -26.99240560662365
              ],
              [
                632999.9328404132,
                2373998.4985458385,
                98.12759439337636
              ],
              [
                632999.9328404132,
                2372998.478545839,
                98.12759439337636
              ],
              [
                631999.9128404132,
                2372998.478545839,
                -26.99240560662365
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:00:57+00:00",
        "end_time": "2013-09-21T01:01:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3273.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3273.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3273.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3273.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7260808,
            21.45453413,
            -26.99240561,
            -157.7163524,
            21.46364097,
            98.12759439
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72608081975736,
                  21.4546078721024,
                  -26.99240560662365
                ],
                [
                  -157.72600229480506,
                  21.4636409652377,
                  -26.99240560662365
                ],
                [
                  -157.71635238917332,
                  21.463567192455596,
                  98.12759439337636
                ],
                [
                  -157.7164314986269,
                  21.45453413424262,
                  98.12759439337636
                ],
                [
                  -157.72608081975736,
                  21.4546078721024,
                  -26.99240560662365
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3273.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3273.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:00:57Z",
            "pc:count": 3396157,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632429.9008,
                "count": 3396157,
                "maximum": 632999.9328,
                "minimum": 631999.9128,
                "name": "X",
                "position": 0,
                "stddev": 278.2120077,
                "variance": 77401.92121
              },
              {
                "average": 2373506.125,
                "count": 3396157,
                "maximum": 2373998.499,
                "minimum": 2372998.479,
                "name": "Y",
                "position": 1,
                "stddev": 284.8033276,
                "variance": 81112.93543
              },
              {
                "average": 5.247623838,
                "count": 3396157,
                "maximum": 98.12759439,
                "minimum": -26.99240561,
                "name": "Z",
                "position": 2,
                "stddev": 27.17867467,
                "variance": 738.6803567
              },
              {
                "average": 24.85739293,
                "count": 3396157,
                "maximum": 8830,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 59.5449257,
                "variance": 3545.598177
              },
              {
                "average": 1.074518345,
                "count": 3396157,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3248406033,
                "variance": 0.1055214175
              },
              {
                "average": 1.148890054,
                "count": 3396157,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4981285471,
                "variance": 0.2481320494
              },
              {
                "average": 1,
                "count": 3396157,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3396157,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.93173549,
                "count": 3396157,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.5873008,
                "variance": 158.4401414
              },
              {
                "average": 18.09226492,
                "count": 3396157,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.93488614,
                "variance": 35.22287349
              },
              {
                "average": 103.1034505,
                "count": 3396157,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 73.40990405,
                "variance": 5389.014012
              },
              {
                "average": 12.65048377,
                "count": 3396157,
                "maximum": 17,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.847017201,
                "variance": 8.105506943
              },
              {
                "average": 63762746.53,
                "count": 3396157,
                "maximum": 63764057.31,
                "minimum": 63760483.69,
                "name": "GpsTime",
                "position": 12,
                "stddev": 980.5395363,
                "variance": 961457.7822
              },
              {
                "average": 0,
                "count": 3396157,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3396157,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3396157,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3396157,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3396157,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.9128,
              2372998.479,
              -26.99240561,
              632999.9328,
              2373998.499,
              98.12759439
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.9128404132,
                    2372998.478545839,
                    -26.99240560662365
                  ],
                  [
                    631999.9128404132,
                    2373998.4985458385,
                    -26.99240560662365
                  ],
                  [
                    632999.9328404132,
                    2373998.4985458385,
                    98.12759439337636
                  ],
                  [
                    632999.9328404132,
                    2372998.478545839,
                    98.12759439337636
                  ],
                  [
                    631999.9128404132,
                    2372998.478545839,
                    -26.99240560662365
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:00:57+00:00",
            "end_time": "2013-09-21T01:01:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3758.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.67905147848774,
              21.318741439704294,
              -8.631138762154691
            ],
            [
              -157.67897059448129,
              21.327774333244363,
              -8.631138762154691
            ],
            [
              -157.66932963477822,
              21.32769829224869,
              223.88886123784533
            ],
            [
              -157.6694111028507,
              21.31866543442519,
              223.88886123784533
            ],
            [
              -157.67905147848774,
              21.318741439704294,
              -8.631138762154691
            ]
          ]
        ]
      },
      "bbox": [
        -157.6790515,
        21.31866543,
        -8.631138762,
        -157.6693296,
        21.32777433,
        223.8888612
      ],
      "properties": {
        "datetime": "2013-09-20T19:48:44Z",
        "pc:count": 5532340,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637490.6312,
            "count": 5532340,
            "maximum": 638000.0653,
            "minimum": 637000.0253,
            "name": "X",
            "position": 0,
            "stddev": 276.7184148,
            "variance": 76573.0811
          },
          {
            "average": 2358466.308,
            "count": 5532340,
            "maximum": 2358998.494,
            "minimum": 2357998.494,
            "name": "Y",
            "position": 1,
            "stddev": 270.0254905,
            "variance": 72913.76554
          },
          {
            "average": 24.71492583,
            "count": 5532340,
            "maximum": 223.8888612,
            "minimum": -8.631138762,
            "name": "Z",
            "position": 2,
            "stddev": 41.39220642,
            "variance": 1713.314753
          },
          {
            "average": 7.671953459,
            "count": 5532340,
            "maximum": 7574,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.63024221,
            "variance": 385.3464093
          },
          {
            "average": 1.507960827,
            "count": 5532340,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8852450761,
            "variance": 0.7836588447
          },
          {
            "average": 2.01364974,
            "count": 5532340,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.312988801,
            "variance": 1.723939592
          },
          {
            "average": 1,
            "count": 5532340,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5532340,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.35790353,
            "count": 5532340,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.91693271,
            "variance": 193.6810162
          },
          {
            "average": 20.43924681,
            "count": 5532340,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.741662475,
            "variance": 3.033388176
          },
          {
            "average": 89.18455843,
            "count": 5532340,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.02596364,
            "variance": 4764.583657
          },
          {
            "average": 3.229861505,
            "count": 5532340,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.274390884,
            "variance": 1.624072126
          },
          {
            "average": 63644736.7,
            "count": 5532340,
            "maximum": 63741724.22,
            "minimum": 63591114.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 19403.62095,
            "variance": 376500506.1
          },
          {
            "average": 0,
            "count": 5532340,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5532340,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5532340,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5532340,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5532340,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.0253,
          2357998.494,
          -8.631138762,
          638000.0653,
          2358998.494,
          223.8888612
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0253124115,
                2357998.4935955377,
                -8.631138762154691
              ],
              [
                637000.0253124115,
                2358998.4935955377,
                -8.631138762154691
              ],
              [
                638000.0653124115,
                2358998.4935955377,
                223.88886123784533
              ],
              [
                638000.0653124115,
                2357998.4935955377,
                223.88886123784533
              ],
              [
                637000.0253124115,
                2357998.4935955377,
                -8.631138762154691
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:48:44+00:00",
        "end_time": "2013-09-19T01:58:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3758.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3758.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3758.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3758.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6790515,
            21.31866543,
            -8.631138762,
            -157.6693296,
            21.32777433,
            223.8888612
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.67905147848774,
                  21.318741439704294,
                  -8.631138762154691
                ],
                [
                  -157.67897059448129,
                  21.327774333244363,
                  -8.631138762154691
                ],
                [
                  -157.66932963477822,
                  21.32769829224869,
                  223.88886123784533
                ],
                [
                  -157.6694111028507,
                  21.31866543442519,
                  223.88886123784533
                ],
                [
                  -157.67905147848774,
                  21.318741439704294,
                  -8.631138762154691
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3758.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3758.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:48:44Z",
            "pc:count": 5532340,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637490.6312,
                "count": 5532340,
                "maximum": 638000.0653,
                "minimum": 637000.0253,
                "name": "X",
                "position": 0,
                "stddev": 276.7184148,
                "variance": 76573.0811
              },
              {
                "average": 2358466.308,
                "count": 5532340,
                "maximum": 2358998.494,
                "minimum": 2357998.494,
                "name": "Y",
                "position": 1,
                "stddev": 270.0254905,
                "variance": 72913.76554
              },
              {
                "average": 24.71492583,
                "count": 5532340,
                "maximum": 223.8888612,
                "minimum": -8.631138762,
                "name": "Z",
                "position": 2,
                "stddev": 41.39220642,
                "variance": 1713.314753
              },
              {
                "average": 7.671953459,
                "count": 5532340,
                "maximum": 7574,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.63024221,
                "variance": 385.3464093
              },
              {
                "average": 1.507960827,
                "count": 5532340,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8852450761,
                "variance": 0.7836588447
              },
              {
                "average": 2.01364974,
                "count": 5532340,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.312988801,
                "variance": 1.723939592
              },
              {
                "average": 1,
                "count": 5532340,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5532340,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.35790353,
                "count": 5532340,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.91693271,
                "variance": 193.6810162
              },
              {
                "average": 20.43924681,
                "count": 5532340,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.741662475,
                "variance": 3.033388176
              },
              {
                "average": 89.18455843,
                "count": 5532340,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.02596364,
                "variance": 4764.583657
              },
              {
                "average": 3.229861505,
                "count": 5532340,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.274390884,
                "variance": 1.624072126
              },
              {
                "average": 63644736.7,
                "count": 5532340,
                "maximum": 63741724.22,
                "minimum": 63591114.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 19403.62095,
                "variance": 376500506.1
              },
              {
                "average": 0,
                "count": 5532340,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5532340,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5532340,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5532340,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5532340,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.0253,
              2357998.494,
              -8.631138762,
              638000.0653,
              2358998.494,
              223.8888612
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0253124115,
                    2357998.4935955377,
                    -8.631138762154691
                  ],
                  [
                    637000.0253124115,
                    2358998.4935955377,
                    -8.631138762154691
                  ],
                  [
                    638000.0653124115,
                    2358998.4935955377,
                    223.88886123784533
                  ],
                  [
                    638000.0653124115,
                    2357998.4935955377,
                    223.88886123784533
                  ],
                  [
                    637000.0253124115,
                    2357998.4935955377,
                    -8.631138762154691
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:48:44+00:00",
            "end_time": "2013-09-19T01:58:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3069.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7456887326757,
              21.418621707727,
              -5.610112404399311
            ],
            [
              -157.7456114856775,
              21.427654715630315,
              -5.610112404399311
            ],
            [
              -157.7359637191781,
              21.42758217714804,
              27.229887595600694
            ],
            [
              -157.7360415548355,
              21.418549202912967,
              27.229887595600694
            ],
            [
              -157.7456887326757,
              21.418621707727,
              -5.610112404399311
            ]
          ]
        ]
      },
      "bbox": [
        -157.7456887,
        21.4185492,
        -5.610112404,
        -157.7359637,
        21.42765472,
        27.2298876
      ],
      "properties": {
        "datetime": "2013-09-19T20:19:31Z",
        "pc:count": 4620859,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630465.6863,
            "count": 4620859,
            "maximum": 630999.89,
            "minimum": 629999.85,
            "name": "X",
            "position": 0,
            "stddev": 293.9135031,
            "variance": 86385.14729
          },
          {
            "average": 2369552.646,
            "count": 4620859,
            "maximum": 2369998.479,
            "minimum": 2368998.479,
            "name": "Y",
            "position": 1,
            "stddev": 285.7934852,
            "variance": 81677.91619
          },
          {
            "average": 1.515364631,
            "count": 4620859,
            "maximum": 27.2298876,
            "minimum": -5.610112404,
            "name": "Z",
            "position": 2,
            "stddev": 4.812628285,
            "variance": 23.16139101
          },
          {
            "average": 16.98854152,
            "count": 4620859,
            "maximum": 4578,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 37.64111673,
            "variance": 1416.853669
          },
          {
            "average": 1.224091451,
            "count": 4620859,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6173705587,
            "variance": 0.3811464067
          },
          {
            "average": 1.446613065,
            "count": 4620859,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9586882234,
            "variance": 0.9190831097
          },
          {
            "average": 1,
            "count": 4620859,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4620859,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.58111576,
            "count": 4620859,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.88610372,
            "variance": 192.8238766
          },
          {
            "average": 17.91574983,
            "count": 4620859,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.554228019,
            "variance": 42.95790492
          },
          {
            "average": 90.21665041,
            "count": 4620859,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.72068157,
            "variance": 4586.090712
          },
          {
            "average": 5.939019347,
            "count": 4620859,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.721413972,
            "variance": 2.963266062
          },
          {
            "average": 63621492.17,
            "count": 4620859,
            "maximum": 63657171.84,
            "minimum": 63591819.47,
            "name": "GpsTime",
            "position": 12,
            "stddev": 30357.82787,
            "variance": 921597712.7
          },
          {
            "average": 0,
            "count": 4620859,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4620859,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4620859,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4620859,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4620859,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.85,
          2368998.479,
          -5.610112404,
          630999.89,
          2369998.479,
          27.2298876
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8500034342,
                2368998.4789098944,
                -5.610112404399311
              ],
              [
                629999.8500034342,
                2369998.4789098944,
                -5.610112404399311
              ],
              [
                630999.8900034343,
                2369998.4789098944,
                27.229887595600694
              ],
              [
                630999.8900034343,
                2368998.4789098944,
                27.229887595600694
              ],
              [
                629999.8500034342,
                2368998.4789098944,
                -5.610112404399311
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:19:31+00:00",
        "end_time": "2013-09-19T02:10:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3069.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3069.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3069.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3069.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7456887,
            21.4185492,
            -5.610112404,
            -157.7359637,
            21.42765472,
            27.2298876
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7456887326757,
                  21.418621707727,
                  -5.610112404399311
                ],
                [
                  -157.7456114856775,
                  21.427654715630315,
                  -5.610112404399311
                ],
                [
                  -157.7359637191781,
                  21.42758217714804,
                  27.229887595600694
                ],
                [
                  -157.7360415548355,
                  21.418549202912967,
                  27.229887595600694
                ],
                [
                  -157.7456887326757,
                  21.418621707727,
                  -5.610112404399311
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3069.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3069.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:19:31Z",
            "pc:count": 4620859,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630465.6863,
                "count": 4620859,
                "maximum": 630999.89,
                "minimum": 629999.85,
                "name": "X",
                "position": 0,
                "stddev": 293.9135031,
                "variance": 86385.14729
              },
              {
                "average": 2369552.646,
                "count": 4620859,
                "maximum": 2369998.479,
                "minimum": 2368998.479,
                "name": "Y",
                "position": 1,
                "stddev": 285.7934852,
                "variance": 81677.91619
              },
              {
                "average": 1.515364631,
                "count": 4620859,
                "maximum": 27.2298876,
                "minimum": -5.610112404,
                "name": "Z",
                "position": 2,
                "stddev": 4.812628285,
                "variance": 23.16139101
              },
              {
                "average": 16.98854152,
                "count": 4620859,
                "maximum": 4578,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 37.64111673,
                "variance": 1416.853669
              },
              {
                "average": 1.224091451,
                "count": 4620859,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6173705587,
                "variance": 0.3811464067
              },
              {
                "average": 1.446613065,
                "count": 4620859,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9586882234,
                "variance": 0.9190831097
              },
              {
                "average": 1,
                "count": 4620859,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4620859,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.58111576,
                "count": 4620859,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.88610372,
                "variance": 192.8238766
              },
              {
                "average": 17.91574983,
                "count": 4620859,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.554228019,
                "variance": 42.95790492
              },
              {
                "average": 90.21665041,
                "count": 4620859,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.72068157,
                "variance": 4586.090712
              },
              {
                "average": 5.939019347,
                "count": 4620859,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.721413972,
                "variance": 2.963266062
              },
              {
                "average": 63621492.17,
                "count": 4620859,
                "maximum": 63657171.84,
                "minimum": 63591819.47,
                "name": "GpsTime",
                "position": 12,
                "stddev": 30357.82787,
                "variance": 921597712.7
              },
              {
                "average": 0,
                "count": 4620859,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4620859,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4620859,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4620859,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4620859,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.85,
              2368998.479,
              -5.610112404,
              630999.89,
              2369998.479,
              27.2298876
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8500034342,
                    2368998.4789098944,
                    -5.610112404399311
                  ],
                  [
                    629999.8500034342,
                    2369998.4789098944,
                    -5.610112404399311
                  ],
                  [
                    630999.8900034343,
                    2369998.4789098944,
                    27.229887595600694
                  ],
                  [
                    630999.8900034343,
                    2368998.4789098944,
                    27.229887595600694
                  ],
                  [
                    629999.8500034342,
                    2368998.4789098944,
                    -5.610112404399311
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:19:31+00:00",
            "end_time": "2013-09-19T02:10:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3554.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6986503176552,
              21.2827595505578,
              -0.929437383730018
            ],
            [
              -157.69857082220892,
              21.29179273254467,
              -0.929437383730018
            ],
            [
              -157.6889323192507,
              21.291717937769636,
              201.17056261627
            ],
            [
              -157.6890124030522,
              21.28268479054206,
              201.17056261627
            ],
            [
              -157.6986503176552,
              21.2827595505578,
              -0.929437383730018
            ]
          ]
        ]
      },
      "bbox": [
        -157.6986503,
        21.28268479,
        -0.9294373837,
        -157.6889323,
        21.29179273,
        201.1705626
      ],
      "properties": {
        "datetime": "2013-09-22T19:07:00Z",
        "pc:count": 7283781,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635603.301,
            "count": 7283781,
            "maximum": 635999.9947,
            "minimum": 634999.9747,
            "name": "X",
            "position": 0,
            "stddev": 291.20068,
            "variance": 84797.83602
          },
          {
            "average": 2354475.065,
            "count": 7283781,
            "maximum": 2354998.481,
            "minimum": 2353998.461,
            "name": "Y",
            "position": 1,
            "stddev": 251.637122,
            "variance": 63321.24115
          },
          {
            "average": 50.81465123,
            "count": 7283781,
            "maximum": 201.1705626,
            "minimum": -0.9294373837,
            "name": "Z",
            "position": 2,
            "stddev": 47.21276017,
            "variance": 2229.044723
          },
          {
            "average": 25.36773758,
            "count": 7283781,
            "maximum": 1004,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 49.00190963,
            "variance": 2401.187147
          },
          {
            "average": 1.57997378,
            "count": 7283781,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9159604523,
            "variance": 0.8389835502
          },
          {
            "average": 2.16097395,
            "count": 7283781,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.336081459,
            "variance": 1.785113664
          },
          {
            "average": 1,
            "count": 7283781,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7283781,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.189154506,
            "count": 7283781,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.6214347457,
            "variance": 0.3861811432
          },
          {
            "average": 20.05748354,
            "count": 7283781,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.330514431,
            "variance": 11.09232638
          },
          {
            "average": 91.23726276,
            "count": 7283781,
            "maximum": 201,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.18498203,
            "variance": 4380.451846
          },
          {
            "average": 9.468118275,
            "count": 7283781,
            "maximum": 28,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 8.365153103,
            "variance": 69.97578643
          },
          {
            "average": 63766154.57,
            "count": 7283781,
            "maximum": 63912020.33,
            "minimum": 63381916.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 234280.9027,
            "variance": 54887541390.0
          },
          {
            "average": 0,
            "count": 7283781,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7283781,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7283781,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7283781,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7283781,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9747,
          2353998.461,
          -0.9294373837,
          635999.9947,
          2354998.481,
          201.1705626
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9747282567,
                2353998.460945707,
                -0.929437383730018
              ],
              [
                634999.9747282567,
                2354998.4809457064,
                -0.929437383730018
              ],
              [
                635999.9947282567,
                2354998.4809457064,
                201.17056261627
              ],
              [
                635999.9947282567,
                2353998.460945707,
                201.17056261627
              ],
              [
                634999.9747282567,
                2353998.460945707,
                -0.929437383730018
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:07:00+00:00",
        "end_time": "2013-09-16T15:51:56+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3554.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3554.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3554.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3554.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6986503,
            21.28268479,
            -0.9294373837,
            -157.6889323,
            21.29179273,
            201.1705626
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6986503176552,
                  21.2827595505578,
                  -0.929437383730018
                ],
                [
                  -157.69857082220892,
                  21.29179273254467,
                  -0.929437383730018
                ],
                [
                  -157.6889323192507,
                  21.291717937769636,
                  201.17056261627
                ],
                [
                  -157.6890124030522,
                  21.28268479054206,
                  201.17056261627
                ],
                [
                  -157.6986503176552,
                  21.2827595505578,
                  -0.929437383730018
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3554.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3554.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:07:00Z",
            "pc:count": 7283781,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635603.301,
                "count": 7283781,
                "maximum": 635999.9947,
                "minimum": 634999.9747,
                "name": "X",
                "position": 0,
                "stddev": 291.20068,
                "variance": 84797.83602
              },
              {
                "average": 2354475.065,
                "count": 7283781,
                "maximum": 2354998.481,
                "minimum": 2353998.461,
                "name": "Y",
                "position": 1,
                "stddev": 251.637122,
                "variance": 63321.24115
              },
              {
                "average": 50.81465123,
                "count": 7283781,
                "maximum": 201.1705626,
                "minimum": -0.9294373837,
                "name": "Z",
                "position": 2,
                "stddev": 47.21276017,
                "variance": 2229.044723
              },
              {
                "average": 25.36773758,
                "count": 7283781,
                "maximum": 1004,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 49.00190963,
                "variance": 2401.187147
              },
              {
                "average": 1.57997378,
                "count": 7283781,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9159604523,
                "variance": 0.8389835502
              },
              {
                "average": 2.16097395,
                "count": 7283781,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.336081459,
                "variance": 1.785113664
              },
              {
                "average": 1,
                "count": 7283781,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7283781,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.189154506,
                "count": 7283781,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.6214347457,
                "variance": 0.3861811432
              },
              {
                "average": 20.05748354,
                "count": 7283781,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.330514431,
                "variance": 11.09232638
              },
              {
                "average": 91.23726276,
                "count": 7283781,
                "maximum": 201,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.18498203,
                "variance": 4380.451846
              },
              {
                "average": 9.468118275,
                "count": 7283781,
                "maximum": 28,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 8.365153103,
                "variance": 69.97578643
              },
              {
                "average": 63766154.57,
                "count": 7283781,
                "maximum": 63912020.33,
                "minimum": 63381916.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 234280.9027,
                "variance": 54887541390.0
              },
              {
                "average": 0,
                "count": 7283781,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7283781,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7283781,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7283781,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7283781,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9747,
              2353998.461,
              -0.9294373837,
              635999.9947,
              2354998.481,
              201.1705626
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9747282567,
                    2353998.460945707,
                    -0.929437383730018
                  ],
                  [
                    634999.9747282567,
                    2354998.4809457064,
                    -0.929437383730018
                  ],
                  [
                    635999.9947282567,
                    2354998.4809457064,
                    201.17056261627
                  ],
                  [
                    635999.9947282567,
                    2353998.460945707,
                    201.17056261627
                  ],
                  [
                    634999.9747282567,
                    2353998.460945707,
                    -0.929437383730018
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:07:00+00:00",
            "end_time": "2013-09-16T15:51:56+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2865.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.76528589956084,
              21.382632400102107,
              1.320158618839955
            ],
            [
              -157.76521013577104,
              21.391665701662912,
              1.320158618839955
            ],
            [
              -157.75556508140178,
              21.39159440670741,
              89.34015861883995
            ],
            [
              -157.75564143164286,
              21.382561138419497,
              89.34015861883995
            ],
            [
              -157.76528589956084,
              21.382632400102107,
              1.320158618839955
            ]
          ]
        ]
      },
      "bbox": [
        -157.7652859,
        21.38256114,
        1.320158619,
        -157.7555651,
        21.3916657,
        89.34015862
      ],
      "properties": {
        "datetime": "2013-09-21T00:52:55Z",
        "pc:count": 6949482,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628441.6403,
            "count": 6949482,
            "maximum": 628999.835,
            "minimum": 627999.835,
            "name": "X",
            "position": 0,
            "stddev": 300.7070364,
            "variance": 90424.72175
          },
          {
            "average": 2365541.271,
            "count": 6949482,
            "maximum": 2365998.474,
            "minimum": 2364998.454,
            "name": "Y",
            "position": 1,
            "stddev": 270.1442389,
            "variance": 72977.9098
          },
          {
            "average": 18.318617,
            "count": 6949482,
            "maximum": 89.34015862,
            "minimum": 1.320158619,
            "name": "Z",
            "position": 2,
            "stddev": 17.63280383,
            "variance": 310.9157708
          },
          {
            "average": 13.29251231,
            "count": 6949482,
            "maximum": 844,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.96524672,
            "variance": 398.6110766
          },
          {
            "average": 1.614028643,
            "count": 6949482,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.02181497,
            "variance": 1.044105832
          },
          {
            "average": 2.228360473,
            "count": 6949482,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.535813523,
            "variance": 2.358723176
          },
          {
            "average": 1,
            "count": 6949482,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6949482,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.163271162,
            "count": 6949482,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3715210835,
            "variance": 0.1380279155
          },
          {
            "average": 20.15944063,
            "count": 6949482,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.330740876,
            "variance": 5.432353032
          },
          {
            "average": 92.20016701,
            "count": 6949482,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.53264025,
            "variance": 4294.526938
          },
          {
            "average": 3.510921821,
            "count": 6949482,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.538215706,
            "variance": 2.366107559
          },
          {
            "average": 63758678.25,
            "count": 6949482,
            "maximum": 63759975.47,
            "minimum": 63744893.37,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2130.100532,
            "variance": 4537328.275
          },
          {
            "average": 0,
            "count": 6949482,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6949482,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6949482,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6949482,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6949482,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.835,
          2364998.454,
          1.320158619,
          628999.835,
          2365998.474,
          89.34015862
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8349854473,
                2364998.453623574,
                1.320158618839955
              ],
              [
                627999.8349854473,
                2365998.473623574,
                1.320158618839955
              ],
              [
                628999.8349854473,
                2365998.473623574,
                89.34015861883995
              ],
              [
                628999.8349854473,
                2364998.453623574,
                89.34015861883995
              ],
              [
                627999.8349854473,
                2364998.453623574,
                1.320158618839955
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:52:55+00:00",
        "end_time": "2013-09-20T20:41:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2865.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2865.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2865.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2865.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7652859,
            21.38256114,
            1.320158619,
            -157.7555651,
            21.3916657,
            89.34015862
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.76528589956084,
                  21.382632400102107,
                  1.320158618839955
                ],
                [
                  -157.76521013577104,
                  21.391665701662912,
                  1.320158618839955
                ],
                [
                  -157.75556508140178,
                  21.39159440670741,
                  89.34015861883995
                ],
                [
                  -157.75564143164286,
                  21.382561138419497,
                  89.34015861883995
                ],
                [
                  -157.76528589956084,
                  21.382632400102107,
                  1.320158618839955
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2865.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2865.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:52:55Z",
            "pc:count": 6949482,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628441.6403,
                "count": 6949482,
                "maximum": 628999.835,
                "minimum": 627999.835,
                "name": "X",
                "position": 0,
                "stddev": 300.7070364,
                "variance": 90424.72175
              },
              {
                "average": 2365541.271,
                "count": 6949482,
                "maximum": 2365998.474,
                "minimum": 2364998.454,
                "name": "Y",
                "position": 1,
                "stddev": 270.1442389,
                "variance": 72977.9098
              },
              {
                "average": 18.318617,
                "count": 6949482,
                "maximum": 89.34015862,
                "minimum": 1.320158619,
                "name": "Z",
                "position": 2,
                "stddev": 17.63280383,
                "variance": 310.9157708
              },
              {
                "average": 13.29251231,
                "count": 6949482,
                "maximum": 844,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.96524672,
                "variance": 398.6110766
              },
              {
                "average": 1.614028643,
                "count": 6949482,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.02181497,
                "variance": 1.044105832
              },
              {
                "average": 2.228360473,
                "count": 6949482,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.535813523,
                "variance": 2.358723176
              },
              {
                "average": 1,
                "count": 6949482,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6949482,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.163271162,
                "count": 6949482,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3715210835,
                "variance": 0.1380279155
              },
              {
                "average": 20.15944063,
                "count": 6949482,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.330740876,
                "variance": 5.432353032
              },
              {
                "average": 92.20016701,
                "count": 6949482,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.53264025,
                "variance": 4294.526938
              },
              {
                "average": 3.510921821,
                "count": 6949482,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.538215706,
                "variance": 2.366107559
              },
              {
                "average": 63758678.25,
                "count": 6949482,
                "maximum": 63759975.47,
                "minimum": 63744893.37,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2130.100532,
                "variance": 4537328.275
              },
              {
                "average": 0,
                "count": 6949482,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6949482,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6949482,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6949482,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6949482,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.835,
              2364998.454,
              1.320158619,
              628999.835,
              2365998.474,
              89.34015862
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8349854473,
                    2364998.453623574,
                    1.320158618839955
                  ],
                  [
                    627999.8349854473,
                    2365998.473623574,
                    1.320158618839955
                  ],
                  [
                    628999.8349854473,
                    2365998.473623574,
                    89.34015861883995
                  ],
                  [
                    628999.8349854473,
                    2364998.453623574,
                    89.34015861883995
                  ],
                  [
                    627999.8349854473,
                    2364998.453623574,
                    1.320158618839955
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:52:55+00:00",
            "end_time": "2013-09-20T20:41:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3274.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72600235783602,
              21.463640909984026,
              -31.93534036315684
            ],
            [
              -157.72592379315694,
              21.472673813899362,
              -31.93534036315684
            ],
            [
              -157.71627310851807,
              21.47260000424894,
              63.444659636843156
            ],
            [
              -157.71635225921432,
              21.463567135724592,
              63.444659636843156
            ],
            [
              -157.72600235783602,
              21.463640909984026,
              -31.93534036315684
            ]
          ]
        ]
      },
      "bbox": [
        -157.7260024,
        21.46356714,
        -31.93534036,
        -157.7162731,
        21.47267381,
        63.44465964
      ],
      "properties": {
        "datetime": "2013-09-21T01:48:18Z",
        "pc:count": 2119223,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632542.3349,
            "count": 2119223,
            "maximum": 632999.9464,
            "minimum": 631999.9064,
            "name": "X",
            "position": 0,
            "stddev": 243.5125165,
            "variance": 59298.34568
          },
          {
            "average": 2374346.544,
            "count": 2119223,
            "maximum": 2374998.492,
            "minimum": 2373998.492,
            "name": "Y",
            "position": 1,
            "stddev": 223.9668258,
            "variance": 50161.13906
          },
          {
            "average": -7.646236399,
            "count": 2119223,
            "maximum": 63.44465964,
            "minimum": -31.93534036,
            "name": "Z",
            "position": 2,
            "stddev": 12.50964578,
            "variance": 156.4912376
          },
          {
            "average": 45.56657464,
            "count": 2119223,
            "maximum": 5553,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 100.448308,
            "variance": 10089.86258
          },
          {
            "average": 1.027494039,
            "count": 2119223,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1857149184,
            "variance": 0.03449003093
          },
          {
            "average": 1.053249233,
            "count": 2119223,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2757418278,
            "variance": 0.0760335556
          },
          {
            "average": 1,
            "count": 2119223,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2119223,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.42100902,
            "count": 2119223,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.023210435,
            "variance": 64.37190568
          },
          {
            "average": 17.68337237,
            "count": 2119223,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.388498768,
            "variance": 40.8129165
          },
          {
            "average": 112.4152154,
            "count": 2119223,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 79.66183125,
            "variance": 6346.007358
          },
          {
            "average": 7.314629937,
            "count": 2119223,
            "maximum": 14,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.367499747,
            "variance": 1.870055559
          },
          {
            "average": 63760876.01,
            "count": 2119223,
            "maximum": 63763298.06,
            "minimum": 63760482.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 485.9209053,
            "variance": 236119.1262
          },
          {
            "average": 0,
            "count": 2119223,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2119223,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2119223,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2119223,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2119223,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.9064,
          2373998.492,
          -31.93534036,
          632999.9464,
          2374998.492,
          63.44465964
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.9063587243,
                2373998.492376166,
                -31.93534036315684
              ],
              [
                631999.9063587243,
                2374998.492376166,
                -31.93534036315684
              ],
              [
                632999.9463587244,
                2374998.492376166,
                63.444659636843156
              ],
              [
                632999.9463587244,
                2373998.492376166,
                63.444659636843156
              ],
              [
                631999.9063587243,
                2373998.492376166,
                -31.93534036315684
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:48:18+00:00",
        "end_time": "2013-09-21T01:01:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3274.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3274.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3274.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3274.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7260024,
            21.46356714,
            -31.93534036,
            -157.7162731,
            21.47267381,
            63.44465964
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72600235783602,
                  21.463640909984026,
                  -31.93534036315684
                ],
                [
                  -157.72592379315694,
                  21.472673813899362,
                  -31.93534036315684
                ],
                [
                  -157.71627310851807,
                  21.47260000424894,
                  63.444659636843156
                ],
                [
                  -157.71635225921432,
                  21.463567135724592,
                  63.444659636843156
                ],
                [
                  -157.72600235783602,
                  21.463640909984026,
                  -31.93534036315684
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3274.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3274.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:48:18Z",
            "pc:count": 2119223,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632542.3349,
                "count": 2119223,
                "maximum": 632999.9464,
                "minimum": 631999.9064,
                "name": "X",
                "position": 0,
                "stddev": 243.5125165,
                "variance": 59298.34568
              },
              {
                "average": 2374346.544,
                "count": 2119223,
                "maximum": 2374998.492,
                "minimum": 2373998.492,
                "name": "Y",
                "position": 1,
                "stddev": 223.9668258,
                "variance": 50161.13906
              },
              {
                "average": -7.646236399,
                "count": 2119223,
                "maximum": 63.44465964,
                "minimum": -31.93534036,
                "name": "Z",
                "position": 2,
                "stddev": 12.50964578,
                "variance": 156.4912376
              },
              {
                "average": 45.56657464,
                "count": 2119223,
                "maximum": 5553,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 100.448308,
                "variance": 10089.86258
              },
              {
                "average": 1.027494039,
                "count": 2119223,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1857149184,
                "variance": 0.03449003093
              },
              {
                "average": 1.053249233,
                "count": 2119223,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2757418278,
                "variance": 0.0760335556
              },
              {
                "average": 1,
                "count": 2119223,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2119223,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.42100902,
                "count": 2119223,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.023210435,
                "variance": 64.37190568
              },
              {
                "average": 17.68337237,
                "count": 2119223,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.388498768,
                "variance": 40.8129165
              },
              {
                "average": 112.4152154,
                "count": 2119223,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 79.66183125,
                "variance": 6346.007358
              },
              {
                "average": 7.314629937,
                "count": 2119223,
                "maximum": 14,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.367499747,
                "variance": 1.870055559
              },
              {
                "average": 63760876.01,
                "count": 2119223,
                "maximum": 63763298.06,
                "minimum": 63760482.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 485.9209053,
                "variance": 236119.1262
              },
              {
                "average": 0,
                "count": 2119223,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2119223,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2119223,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2119223,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2119223,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.9064,
              2373998.492,
              -31.93534036,
              632999.9464,
              2374998.492,
              63.44465964
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.9063587243,
                    2373998.492376166,
                    -31.93534036315684
                  ],
                  [
                    631999.9063587243,
                    2374998.492376166,
                    -31.93534036315684
                  ],
                  [
                    632999.9463587244,
                    2374998.492376166,
                    63.444659636843156
                  ],
                  [
                    632999.9463587244,
                    2373998.492376166,
                    63.444659636843156
                  ],
                  [
                    631999.9063587243,
                    2373998.492376166,
                    -31.93534036315684
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:48:18+00:00",
            "end_time": "2013-09-21T01:01:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3275.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72592317637518,
              21.472673904096773,
              -39.48834523987599
            ],
            [
              -157.725897479246,
              21.475626223200205,
              -39.48834523987599
            ],
            [
              -157.72229918081976,
              21.47559876642364,
              -27.828345239875993
            ],
            [
              -157.7223249484284,
              21.472646454020488,
              -27.828345239875993
            ],
            [
              -157.72592317637518,
              21.472673904096773,
              -39.48834523987599
            ]
          ]
        ]
      },
      "bbox": [
        -157.7259232,
        21.47264645,
        -39.48834524,
        -157.7222992,
        21.47562622,
        -27.82834524
      ],
      "properties": {
        "datetime": "2013-09-21T01:05:16Z",
        "pc:count": 25041,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632164.6048,
            "count": 25041,
            "maximum": 632372.8302,
            "minimum": 631999.9702,
            "name": "X",
            "position": 0,
            "stddev": 103.9490585,
            "variance": 10805.40677
          },
          {
            "average": 2375075.779,
            "count": 25041,
            "maximum": 2375325.343,
            "minimum": 2374998.503,
            "name": "Y",
            "position": 1,
            "stddev": 60.71671614,
            "variance": 3686.519619
          },
          {
            "average": -32.11419644,
            "count": 25041,
            "maximum": -27.82834524,
            "minimum": -39.48834524,
            "name": "Z",
            "position": 2,
            "stddev": 1.677873072,
            "variance": 2.815258046
          },
          {
            "average": 385.7895851,
            "count": 25041,
            "maximum": 649,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 89.15685919,
            "variance": 7948.94554
          },
          {
            "average": 1.000079869,
            "count": 25041,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.008936768161,
            "variance": 7.986582516e-05
          },
          {
            "average": 1.000079869,
            "count": 25041,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.008936768161,
            "variance": 7.986582516e-05
          },
          {
            "average": 1,
            "count": 25041,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 25041,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 25041,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.27299728,
            "count": 25041,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.88064845,
            "variance": 97.62721379
          },
          {
            "average": 249.012819,
            "count": 25041,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1132029173,
            "variance": 0.0128149005
          },
          {
            "average": 6.210974003,
            "count": 25041,
            "maximum": 7,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4080081136,
            "variance": 0.1664706208
          },
          {
            "average": 63760548.31,
            "count": 25041,
            "maximum": 63760716.14,
            "minimum": 63760499.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 85.7055843,
            "variance": 7345.44718
          },
          {
            "average": 0,
            "count": 25041,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 25041,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 25041,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 25041,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 25041,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.9702,
          2374998.503,
          -39.48834524,
          632372.8302,
          2375325.343,
          -27.82834524
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.970186418,
                2374998.502881211,
                -39.48834523987599
              ],
              [
                631999.970186418,
                2375325.342881211,
                -39.48834523987599
              ],
              [
                632372.8301864181,
                2375325.342881211,
                -27.828345239875993
              ],
              [
                632372.8301864181,
                2374998.502881211,
                -27.828345239875993
              ],
              [
                631999.970186418,
                2374998.502881211,
                -39.48834523987599
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:05:16+00:00",
        "end_time": "2013-09-21T01:01:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3275.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3275.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3275.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3275.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7259232,
            21.47264645,
            -39.48834524,
            -157.7222992,
            21.47562622,
            -27.82834524
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72592317637518,
                  21.472673904096773,
                  -39.48834523987599
                ],
                [
                  -157.725897479246,
                  21.475626223200205,
                  -39.48834523987599
                ],
                [
                  -157.72229918081976,
                  21.47559876642364,
                  -27.828345239875993
                ],
                [
                  -157.7223249484284,
                  21.472646454020488,
                  -27.828345239875993
                ],
                [
                  -157.72592317637518,
                  21.472673904096773,
                  -39.48834523987599
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3275.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3275.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:05:16Z",
            "pc:count": 25041,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632164.6048,
                "count": 25041,
                "maximum": 632372.8302,
                "minimum": 631999.9702,
                "name": "X",
                "position": 0,
                "stddev": 103.9490585,
                "variance": 10805.40677
              },
              {
                "average": 2375075.779,
                "count": 25041,
                "maximum": 2375325.343,
                "minimum": 2374998.503,
                "name": "Y",
                "position": 1,
                "stddev": 60.71671614,
                "variance": 3686.519619
              },
              {
                "average": -32.11419644,
                "count": 25041,
                "maximum": -27.82834524,
                "minimum": -39.48834524,
                "name": "Z",
                "position": 2,
                "stddev": 1.677873072,
                "variance": 2.815258046
              },
              {
                "average": 385.7895851,
                "count": 25041,
                "maximum": 649,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 89.15685919,
                "variance": 7948.94554
              },
              {
                "average": 1.000079869,
                "count": 25041,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.008936768161,
                "variance": 7.986582516e-05
              },
              {
                "average": 1.000079869,
                "count": 25041,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.008936768161,
                "variance": 7.986582516e-05
              },
              {
                "average": 1,
                "count": 25041,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 25041,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 25041,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.27299728,
                "count": 25041,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.88064845,
                "variance": 97.62721379
              },
              {
                "average": 249.012819,
                "count": 25041,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1132029173,
                "variance": 0.0128149005
              },
              {
                "average": 6.210974003,
                "count": 25041,
                "maximum": 7,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4080081136,
                "variance": 0.1664706208
              },
              {
                "average": 63760548.31,
                "count": 25041,
                "maximum": 63760716.14,
                "minimum": 63760499.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 85.7055843,
                "variance": 7345.44718
              },
              {
                "average": 0,
                "count": 25041,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 25041,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 25041,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 25041,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 25041,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.9702,
              2374998.503,
              -39.48834524,
              632372.8302,
              2375325.343,
              -27.82834524
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.970186418,
                    2374998.502881211,
                    -39.48834523987599
                  ],
                  [
                    631999.970186418,
                    2375325.342881211,
                    -39.48834523987599
                  ],
                  [
                    632372.8301864181,
                    2375325.342881211,
                    -27.828345239875993
                  ],
                  [
                    632372.8301864181,
                    2374998.502881211,
                    -27.828345239875993
                  ],
                  [
                    631999.970186418,
                    2374998.502881211,
                    -39.48834523987599
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:05:16+00:00",
            "end_time": "2013-09-21T01:01:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3350.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71819863101658,
              21.251497548317626,
              -58.835594212773806
            ],
            [
              -157.7181613322223,
              21.255808147482895,
              -58.835594212773806
            ],
            [
              -157.7085252887731,
              21.255734594484768,
              -29.475594212773807
            ],
            [
              -157.70856286771993,
              21.25142401168409,
              -29.475594212773807
            ],
            [
              -157.71819863101658,
              21.251497548317626,
              -58.835594212773806
            ]
          ]
        ]
      },
      "bbox": [
        -157.7181986,
        21.25142401,
        -58.83559421,
        -157.7085253,
        21.25580815,
        -29.47559421
      ],
      "properties": {
        "datetime": "2013-09-11T01:26:43Z",
        "pc:count": 288654,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633326.1195,
            "count": 288654,
            "maximum": 633999.8968,
            "minimum": 632999.8968,
            "name": "X",
            "position": 0,
            "stddev": 242.5163395,
            "variance": 58814.1749
          },
          {
            "average": 2350869.506,
            "count": 288654,
            "maximum": 2350998.461,
            "minimum": 2350521.261,
            "name": "Y",
            "position": 1,
            "stddev": 97.08881124,
            "variance": 9426.237268
          },
          {
            "average": -40.26489469,
            "count": 288654,
            "maximum": -29.47559421,
            "minimum": -58.83559421,
            "name": "Z",
            "position": 2,
            "stddev": 5.915465633,
            "variance": 34.99273366
          },
          {
            "average": 2663.583969,
            "count": 288654,
            "maximum": 8997,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1339.348838,
            "variance": 1793855.309
          },
          {
            "average": 1.003880078,
            "count": 288654,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06216941583,
            "variance": 0.003865036264
          },
          {
            "average": 1.005591469,
            "count": 288654,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07456691025,
            "variance": 0.005560224104
          },
          {
            "average": 1,
            "count": 288654,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 288654,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 288654,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.18043787,
            "count": 288654,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.013824142,
            "variance": 81.24902566
          },
          {
            "average": 249.0173114,
            "count": 288654,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.131697902,
            "variance": 0.01734433738
          },
          {
            "average": 5.706312748,
            "count": 288654,
            "maximum": 7,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7464014613,
            "variance": 0.5571151414
          },
          {
            "average": 62897509.67,
            "count": 288654,
            "maximum": 62898003.94,
            "minimum": 62896893.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 277.2688198,
            "variance": 76877.99842
          },
          {
            "average": 0,
            "count": 288654,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 288654,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 288654,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 288654,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 288654,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.8968,
          2350521.261,
          -58.83559421,
          633999.8968,
          2350998.461,
          -29.47559421
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.8968199908,
                2350521.260739748,
                -58.835594212773806
              ],
              [
                632999.8968199908,
                2350998.460739748,
                -58.835594212773806
              ],
              [
                633999.8968199908,
                2350998.460739748,
                -29.475594212773807
              ],
              [
                633999.8968199908,
                2350521.260739748,
                -29.475594212773807
              ],
              [
                632999.8968199908,
                2350521.260739748,
                -58.835594212773806
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-11T01:26:43+00:00",
        "end_time": "2013-09-11T01:08:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3350.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3350.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3350.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3350.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7181986,
            21.25142401,
            -58.83559421,
            -157.7085253,
            21.25580815,
            -29.47559421
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71819863101658,
                  21.251497548317626,
                  -58.835594212773806
                ],
                [
                  -157.7181613322223,
                  21.255808147482895,
                  -58.835594212773806
                ],
                [
                  -157.7085252887731,
                  21.255734594484768,
                  -29.475594212773807
                ],
                [
                  -157.70856286771993,
                  21.25142401168409,
                  -29.475594212773807
                ],
                [
                  -157.71819863101658,
                  21.251497548317626,
                  -58.835594212773806
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3350.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3350.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-11T01:26:43Z",
            "pc:count": 288654,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633326.1195,
                "count": 288654,
                "maximum": 633999.8968,
                "minimum": 632999.8968,
                "name": "X",
                "position": 0,
                "stddev": 242.5163395,
                "variance": 58814.1749
              },
              {
                "average": 2350869.506,
                "count": 288654,
                "maximum": 2350998.461,
                "minimum": 2350521.261,
                "name": "Y",
                "position": 1,
                "stddev": 97.08881124,
                "variance": 9426.237268
              },
              {
                "average": -40.26489469,
                "count": 288654,
                "maximum": -29.47559421,
                "minimum": -58.83559421,
                "name": "Z",
                "position": 2,
                "stddev": 5.915465633,
                "variance": 34.99273366
              },
              {
                "average": 2663.583969,
                "count": 288654,
                "maximum": 8997,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1339.348838,
                "variance": 1793855.309
              },
              {
                "average": 1.003880078,
                "count": 288654,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06216941583,
                "variance": 0.003865036264
              },
              {
                "average": 1.005591469,
                "count": 288654,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07456691025,
                "variance": 0.005560224104
              },
              {
                "average": 1,
                "count": 288654,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 288654,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 288654,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.18043787,
                "count": 288654,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.013824142,
                "variance": 81.24902566
              },
              {
                "average": 249.0173114,
                "count": 288654,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.131697902,
                "variance": 0.01734433738
              },
              {
                "average": 5.706312748,
                "count": 288654,
                "maximum": 7,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7464014613,
                "variance": 0.5571151414
              },
              {
                "average": 62897509.67,
                "count": 288654,
                "maximum": 62898003.94,
                "minimum": 62896893.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 277.2688198,
                "variance": 76877.99842
              },
              {
                "average": 0,
                "count": 288654,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 288654,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 288654,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 288654,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 288654,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.8968,
              2350521.261,
              -58.83559421,
              633999.8968,
              2350998.461,
              -29.47559421
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.8968199908,
                    2350521.260739748,
                    -58.835594212773806
                  ],
                  [
                    632999.8968199908,
                    2350998.460739748,
                    -58.835594212773806
                  ],
                  [
                    633999.8968199908,
                    2350998.460739748,
                    -29.475594212773807
                  ],
                  [
                    633999.8968199908,
                    2350521.260739748,
                    -29.475594212773807
                  ],
                  [
                    632999.8968199908,
                    2350521.260739748,
                    -58.835594212773806
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-11T01:26:43+00:00",
            "end_time": "2013-09-11T01:08:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2967.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75548868346849,
              21.40062738562878,
              -0.319820742455038
            ],
            [
              -157.75541221882588,
              21.409660453222504,
              -0.319820742455038
            ],
            [
              -157.74576580856953,
              21.409588536766694,
              31.140179257544965
            ],
            [
              -157.74584286429987,
              21.400555502546478,
              31.140179257544965
            ],
            [
              -157.75548868346849,
              21.40062738562878,
              -0.319820742455038
            ]
          ]
        ]
      },
      "bbox": [
        -157.7554887,
        21.4005555,
        -0.3198207425,
        -157.7457658,
        21.40966045,
        31.14017926
      ],
      "properties": {
        "datetime": "2013-09-20T20:10:56Z",
        "pc:count": 6510313,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629495.7023,
            "count": 6510313,
            "maximum": 629999.8542,
            "minimum": 628999.8342,
            "name": "X",
            "position": 0,
            "stddev": 291.1530658,
            "variance": 84770.10773
          },
          {
            "average": 2367487.9,
            "count": 6510313,
            "maximum": 2367998.463,
            "minimum": 2366998.463,
            "name": "Y",
            "position": 1,
            "stddev": 292.1442473,
            "variance": 85348.26123
          },
          {
            "average": 5.442779243,
            "count": 6510313,
            "maximum": 31.14017926,
            "minimum": -0.3198207425,
            "name": "Z",
            "position": 2,
            "stddev": 2.973266856,
            "variance": 8.840315798
          },
          {
            "average": 29.4018177,
            "count": 6510313,
            "maximum": 944,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 49.66019312,
            "variance": 2466.134781
          },
          {
            "average": 1.392440271,
            "count": 6510313,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7471222479,
            "variance": 0.5581916533
          },
          {
            "average": 1.785478824,
            "count": 6510313,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.096342804,
            "variance": 1.201967544
          },
          {
            "average": 1,
            "count": 6510313,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6510313,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.190191777,
            "count": 6510313,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3924524032,
            "variance": 0.1540188888
          },
          {
            "average": 20.09099974,
            "count": 6510313,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.260355617,
            "variance": 5.109207517
          },
          {
            "average": 91.12784608,
            "count": 6510313,
            "maximum": 201,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.62227358,
            "variance": 4306.28279
          },
          {
            "average": 2.676502497,
            "count": 6510313,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.330579447,
            "variance": 1.770441664
          },
          {
            "average": 63733986.9,
            "count": 6510313,
            "maximum": 63743056.26,
            "minimum": 63678774.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 19871.94888,
            "variance": 394894352.2
          },
          {
            "average": 0,
            "count": 6510313,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6510313,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6510313,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6510313,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6510313,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8342,
          2366998.463,
          -0.3198207425,
          629999.8542,
          2367998.463,
          31.14017926
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8341675454,
                2366998.462691623,
                -0.319820742455038
              ],
              [
                628999.8341675454,
                2367998.462691623,
                -0.319820742455038
              ],
              [
                629999.8541675454,
                2367998.462691623,
                31.140179257544965
              ],
              [
                629999.8541675454,
                2366998.462691623,
                31.140179257544965
              ],
              [
                628999.8341675454,
                2366998.462691623,
                -0.319820742455038
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:10:56+00:00",
        "end_time": "2013-09-20T02:19:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2967.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2967.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2967.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2967.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7554887,
            21.4005555,
            -0.3198207425,
            -157.7457658,
            21.40966045,
            31.14017926
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75548868346849,
                  21.40062738562878,
                  -0.319820742455038
                ],
                [
                  -157.75541221882588,
                  21.409660453222504,
                  -0.319820742455038
                ],
                [
                  -157.74576580856953,
                  21.409588536766694,
                  31.140179257544965
                ],
                [
                  -157.74584286429987,
                  21.400555502546478,
                  31.140179257544965
                ],
                [
                  -157.75548868346849,
                  21.40062738562878,
                  -0.319820742455038
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2967.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2967.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:10:56Z",
            "pc:count": 6510313,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629495.7023,
                "count": 6510313,
                "maximum": 629999.8542,
                "minimum": 628999.8342,
                "name": "X",
                "position": 0,
                "stddev": 291.1530658,
                "variance": 84770.10773
              },
              {
                "average": 2367487.9,
                "count": 6510313,
                "maximum": 2367998.463,
                "minimum": 2366998.463,
                "name": "Y",
                "position": 1,
                "stddev": 292.1442473,
                "variance": 85348.26123
              },
              {
                "average": 5.442779243,
                "count": 6510313,
                "maximum": 31.14017926,
                "minimum": -0.3198207425,
                "name": "Z",
                "position": 2,
                "stddev": 2.973266856,
                "variance": 8.840315798
              },
              {
                "average": 29.4018177,
                "count": 6510313,
                "maximum": 944,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 49.66019312,
                "variance": 2466.134781
              },
              {
                "average": 1.392440271,
                "count": 6510313,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7471222479,
                "variance": 0.5581916533
              },
              {
                "average": 1.785478824,
                "count": 6510313,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.096342804,
                "variance": 1.201967544
              },
              {
                "average": 1,
                "count": 6510313,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6510313,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.190191777,
                "count": 6510313,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3924524032,
                "variance": 0.1540188888
              },
              {
                "average": 20.09099974,
                "count": 6510313,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.260355617,
                "variance": 5.109207517
              },
              {
                "average": 91.12784608,
                "count": 6510313,
                "maximum": 201,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.62227358,
                "variance": 4306.28279
              },
              {
                "average": 2.676502497,
                "count": 6510313,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.330579447,
                "variance": 1.770441664
              },
              {
                "average": 63733986.9,
                "count": 6510313,
                "maximum": 63743056.26,
                "minimum": 63678774.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 19871.94888,
                "variance": 394894352.2
              },
              {
                "average": 0,
                "count": 6510313,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6510313,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6510313,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6510313,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6510313,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8342,
              2366998.463,
              -0.3198207425,
              629999.8542,
              2367998.463,
              31.14017926
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8341675454,
                    2366998.462691623,
                    -0.319820742455038
                  ],
                  [
                    628999.8341675454,
                    2367998.462691623,
                    -0.319820742455038
                  ],
                  [
                    629999.8541675454,
                    2367998.462691623,
                    31.140179257544965
                  ],
                  [
                    629999.8541675454,
                    2366998.462691623,
                    31.140179257544965
                  ],
                  [
                    628999.8341675454,
                    2366998.462691623,
                    -0.319820742455038
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:10:56+00:00",
            "end_time": "2013-09-20T02:19:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3173.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73573028485376,
              21.454681106487072,
              -21.974231224966644
            ],
            [
              -157.73565235368196,
              21.46371405292401,
              -21.974231224966644
            ],
            [
              -157.72600224686659,
              21.463640825934853,
              206.14576877503336
            ],
            [
              -157.72608077025123,
              21.454607913457924,
              206.14576877503336
            ],
            [
              -157.73573028485376,
              21.454681106487072,
              -21.974231224966644
            ]
          ]
        ]
      },
      "bbox": [
        -157.7357303,
        21.45460791,
        -21.97423122,
        -157.7260022,
        21.46371405,
        206.1457688
      ],
      "properties": {
        "datetime": "2013-09-21T02:17:30Z",
        "pc:count": 5518022,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631500.2986,
            "count": 5518022,
            "maximum": 631999.9179,
            "minimum": 630999.8779,
            "name": "X",
            "position": 0,
            "stddev": 271.9600015,
            "variance": 73962.24243
          },
          {
            "average": 2373395.804,
            "count": 5518022,
            "maximum": 2373998.483,
            "minimum": 2372998.483,
            "name": "Y",
            "position": 1,
            "stddev": 256.1345089,
            "variance": 65604.88666
          },
          {
            "average": 55.15684401,
            "count": 5518022,
            "maximum": 206.1457688,
            "minimum": -21.97423122,
            "name": "Z",
            "position": 2,
            "stddev": 57.23596179,
            "variance": 3275.955323
          },
          {
            "average": 17.02671899,
            "count": 5518022,
            "maximum": 8857,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.33183256,
            "variance": 1546.993053
          },
          {
            "average": 1.469972755,
            "count": 5518022,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8377654477,
            "variance": 0.7018509454
          },
          {
            "average": 1.942965432,
            "count": 5518022,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.248153655,
            "variance": 1.557887546
          },
          {
            "average": 1,
            "count": 5518022,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5518022,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.652193123,
            "count": 5518022,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.80928045,
            "variance": 164.0776657
          },
          {
            "average": 19.52656266,
            "count": 5518022,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.064819831,
            "variance": 16.52276026
          },
          {
            "average": 93.22454314,
            "count": 5518022,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.77088566,
            "variance": 4729.434715
          },
          {
            "average": 17.34000426,
            "count": 5518022,
            "maximum": 21,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.493649285,
            "variance": 2.230988186
          },
          {
            "average": 63764130.91,
            "count": 5518022,
            "maximum": 63765050.82,
            "minimum": 63762207.28,
            "name": "GpsTime",
            "position": 12,
            "stddev": 376.0625156,
            "variance": 141423.0157
          },
          {
            "average": 0,
            "count": 5518022,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5518022,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5518022,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5518022,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5518022,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8779,
          2372998.483,
          -21.97423122,
          631999.9179,
          2373998.483,
          206.1457688
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.877933467,
                2372998.483165576,
                -21.974231224966644
              ],
              [
                630999.877933467,
                2373998.483165576,
                -21.974231224966644
              ],
              [
                631999.9179334671,
                2373998.483165576,
                206.14576877503336
              ],
              [
                631999.9179334671,
                2372998.483165576,
                206.14576877503336
              ],
              [
                630999.877933467,
                2372998.483165576,
                -21.974231224966644
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:17:30+00:00",
        "end_time": "2013-09-21T01:30:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3173.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3173.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3173.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3173.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7357303,
            21.45460791,
            -21.97423122,
            -157.7260022,
            21.46371405,
            206.1457688
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73573028485376,
                  21.454681106487072,
                  -21.974231224966644
                ],
                [
                  -157.73565235368196,
                  21.46371405292401,
                  -21.974231224966644
                ],
                [
                  -157.72600224686659,
                  21.463640825934853,
                  206.14576877503336
                ],
                [
                  -157.72608077025123,
                  21.454607913457924,
                  206.14576877503336
                ],
                [
                  -157.73573028485376,
                  21.454681106487072,
                  -21.974231224966644
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3173.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3173.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:17:30Z",
            "pc:count": 5518022,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631500.2986,
                "count": 5518022,
                "maximum": 631999.9179,
                "minimum": 630999.8779,
                "name": "X",
                "position": 0,
                "stddev": 271.9600015,
                "variance": 73962.24243
              },
              {
                "average": 2373395.804,
                "count": 5518022,
                "maximum": 2373998.483,
                "minimum": 2372998.483,
                "name": "Y",
                "position": 1,
                "stddev": 256.1345089,
                "variance": 65604.88666
              },
              {
                "average": 55.15684401,
                "count": 5518022,
                "maximum": 206.1457688,
                "minimum": -21.97423122,
                "name": "Z",
                "position": 2,
                "stddev": 57.23596179,
                "variance": 3275.955323
              },
              {
                "average": 17.02671899,
                "count": 5518022,
                "maximum": 8857,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.33183256,
                "variance": 1546.993053
              },
              {
                "average": 1.469972755,
                "count": 5518022,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8377654477,
                "variance": 0.7018509454
              },
              {
                "average": 1.942965432,
                "count": 5518022,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.248153655,
                "variance": 1.557887546
              },
              {
                "average": 1,
                "count": 5518022,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5518022,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.652193123,
                "count": 5518022,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.80928045,
                "variance": 164.0776657
              },
              {
                "average": 19.52656266,
                "count": 5518022,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.064819831,
                "variance": 16.52276026
              },
              {
                "average": 93.22454314,
                "count": 5518022,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.77088566,
                "variance": 4729.434715
              },
              {
                "average": 17.34000426,
                "count": 5518022,
                "maximum": 21,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.493649285,
                "variance": 2.230988186
              },
              {
                "average": 63764130.91,
                "count": 5518022,
                "maximum": 63765050.82,
                "minimum": 63762207.28,
                "name": "GpsTime",
                "position": 12,
                "stddev": 376.0625156,
                "variance": 141423.0157
              },
              {
                "average": 0,
                "count": 5518022,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5518022,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5518022,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5518022,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5518022,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8779,
              2372998.483,
              -21.97423122,
              631999.9179,
              2373998.483,
              206.1457688
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.877933467,
                    2372998.483165576,
                    -21.974231224966644
                  ],
                  [
                    630999.877933467,
                    2373998.483165576,
                    -21.974231224966644
                  ],
                  [
                    631999.9179334671,
                    2373998.483165576,
                    206.14576877503336
                  ],
                  [
                    631999.9179334671,
                    2372998.483165576,
                    206.14576877503336
                  ],
                  [
                    630999.877933467,
                    2372998.483165576,
                    -21.974231224966644
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:17:30+00:00",
            "end_time": "2013-09-21T01:30:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3555.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6985708024367,
              21.291792661060548,
              -1.208259833617642
            ],
            [
              -157.69852802314725,
              21.296651688999706,
              -1.208259833617642
            ],
            [
              -157.68888920352134,
              21.29657687553143,
              37.951740166382365
            ],
            [
              -157.68893229948327,
              21.291717866284625,
              37.951740166382365
            ],
            [
              -157.6985708024367,
              21.291792661060548,
              -1.208259833617642
            ]
          ]
        ]
      },
      "bbox": [
        -157.6985708,
        21.29171787,
        -1.208259834,
        -157.6888892,
        21.29665169,
        37.95174017
      ],
      "properties": {
        "datetime": "2013-09-22T18:25:33Z",
        "pc:count": 1441554,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635673.1756,
            "count": 1441554,
            "maximum": 635999.9968,
            "minimum": 634999.9768,
            "name": "X",
            "position": 0,
            "stddev": 254.2136371,
            "variance": 64624.57327
          },
          {
            "average": 2355184.208,
            "count": 1441554,
            "maximum": 2355536.393,
            "minimum": 2354998.473,
            "name": "Y",
            "position": 1,
            "stddev": 127.9980528,
            "variance": 16383.50151
          },
          {
            "average": 9.746727909,
            "count": 1441554,
            "maximum": 37.95174017,
            "minimum": -1.208259834,
            "name": "Z",
            "position": 2,
            "stddev": 6.858299454,
            "variance": 47.0362714
          },
          {
            "average": 39.23998754,
            "count": 1441554,
            "maximum": 1012,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 62.46394531,
            "variance": 3901.744463
          },
          {
            "average": 1.269514704,
            "count": 1441554,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6176241106,
            "variance": 0.381459542
          },
          {
            "average": 1.544238371,
            "count": 1441554,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9240472874,
            "variance": 0.8538633894
          },
          {
            "average": 1,
            "count": 1441554,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1441554,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.228839156,
            "count": 1441554,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.5662961965,
            "variance": 0.3206913822
          },
          {
            "average": 19.97003855,
            "count": 1441554,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.641303775,
            "variance": 6.976485632
          },
          {
            "average": 92.08794329,
            "count": 1441554,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.59919773,
            "variance": 4173.056347
          },
          {
            "average": 5.730743351,
            "count": 1441554,
            "maximum": 11,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.307614367,
            "variance": 18.55554154
          },
          {
            "average": 63698711.45,
            "count": 1441554,
            "maximum": 63909533.37,
            "minimum": 63381917.55,
            "name": "GpsTime",
            "position": 12,
            "stddev": 258225.7286,
            "variance": 66680526900.0
          },
          {
            "average": 0,
            "count": 1441554,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1441554,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1441554,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1441554,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1441554,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9768,
          2354998.473,
          -1.208259834,
          635999.9968,
          2355536.393,
          37.95174017
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9768448118,
                2354998.4730495005,
                -1.208259833617642
              ],
              [
                634999.9768448118,
                2355536.3930495004,
                -1.208259833617642
              ],
              [
                635999.9968448118,
                2355536.3930495004,
                37.951740166382365
              ],
              [
                635999.9968448118,
                2354998.4730495005,
                37.951740166382365
              ],
              [
                634999.9768448118,
                2354998.4730495005,
                -1.208259833617642
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:25:33+00:00",
        "end_time": "2013-09-16T15:51:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3555.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3555.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3555.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3555.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6985708,
            21.29171787,
            -1.208259834,
            -157.6888892,
            21.29665169,
            37.95174017
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6985708024367,
                  21.291792661060548,
                  -1.208259833617642
                ],
                [
                  -157.69852802314725,
                  21.296651688999706,
                  -1.208259833617642
                ],
                [
                  -157.68888920352134,
                  21.29657687553143,
                  37.951740166382365
                ],
                [
                  -157.68893229948327,
                  21.291717866284625,
                  37.951740166382365
                ],
                [
                  -157.6985708024367,
                  21.291792661060548,
                  -1.208259833617642
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3555.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3555.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:25:33Z",
            "pc:count": 1441554,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635673.1756,
                "count": 1441554,
                "maximum": 635999.9968,
                "minimum": 634999.9768,
                "name": "X",
                "position": 0,
                "stddev": 254.2136371,
                "variance": 64624.57327
              },
              {
                "average": 2355184.208,
                "count": 1441554,
                "maximum": 2355536.393,
                "minimum": 2354998.473,
                "name": "Y",
                "position": 1,
                "stddev": 127.9980528,
                "variance": 16383.50151
              },
              {
                "average": 9.746727909,
                "count": 1441554,
                "maximum": 37.95174017,
                "minimum": -1.208259834,
                "name": "Z",
                "position": 2,
                "stddev": 6.858299454,
                "variance": 47.0362714
              },
              {
                "average": 39.23998754,
                "count": 1441554,
                "maximum": 1012,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 62.46394531,
                "variance": 3901.744463
              },
              {
                "average": 1.269514704,
                "count": 1441554,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6176241106,
                "variance": 0.381459542
              },
              {
                "average": 1.544238371,
                "count": 1441554,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9240472874,
                "variance": 0.8538633894
              },
              {
                "average": 1,
                "count": 1441554,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1441554,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.228839156,
                "count": 1441554,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.5662961965,
                "variance": 0.3206913822
              },
              {
                "average": 19.97003855,
                "count": 1441554,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.641303775,
                "variance": 6.976485632
              },
              {
                "average": 92.08794329,
                "count": 1441554,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.59919773,
                "variance": 4173.056347
              },
              {
                "average": 5.730743351,
                "count": 1441554,
                "maximum": 11,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.307614367,
                "variance": 18.55554154
              },
              {
                "average": 63698711.45,
                "count": 1441554,
                "maximum": 63909533.37,
                "minimum": 63381917.55,
                "name": "GpsTime",
                "position": 12,
                "stddev": 258225.7286,
                "variance": 66680526900.0
              },
              {
                "average": 0,
                "count": 1441554,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1441554,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1441554,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1441554,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1441554,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9768,
              2354998.473,
              -1.208259834,
              635999.9968,
              2355536.393,
              37.95174017
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9768448118,
                    2354998.4730495005,
                    -1.208259833617642
                  ],
                  [
                    634999.9768448118,
                    2355536.3930495004,
                    -1.208259833617642
                  ],
                  [
                    635999.9968448118,
                    2355536.3930495004,
                    37.951740166382365
                  ],
                  [
                    635999.9968448118,
                    2354998.4730495005,
                    37.951740166382365
                  ],
                  [
                    634999.9768448118,
                    2354998.4730495005,
                    -1.208259833617642
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:25:33+00:00",
            "end_time": "2013-09-16T15:51:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3759.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.67897051046936,
              21.32777420237298,
              -16.7244679583427
            ],
            [
              -157.67888962469922,
              21.33680726424503,
              -16.7244679583427
            ],
            [
              -157.6692482674805,
              21.336731189501943,
              0.5355320416573
            ],
            [
              -157.66932974358627,
              21.327698162899207,
              0.5355320416573
            ],
            [
              -157.67897051046936,
              21.32777420237298,
              -16.7244679583427
            ]
          ]
        ]
      },
      "bbox": [
        -157.6789705,
        21.32769816,
        -16.72446796,
        -157.6692483,
        21.33680726,
        0.5355320417
      ],
      "properties": {
        "datetime": "2013-09-20T20:08:23Z",
        "pc:count": 5703911,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637469.3462,
            "count": 5703911,
            "maximum": 638000.0541,
            "minimum": 637000.0341,
            "name": "X",
            "position": 0,
            "stddev": 292.4158898,
            "variance": 85507.05264
          },
          {
            "average": 2359452.679,
            "count": 5703911,
            "maximum": 2359998.499,
            "minimum": 2358998.479,
            "name": "Y",
            "position": 1,
            "stddev": 253.3429312,
            "variance": 64182.64078
          },
          {
            "average": -6.72393399,
            "count": 5703911,
            "maximum": 0.5355320417,
            "minimum": -16.72446796,
            "name": "Z",
            "position": 2,
            "stddev": 2.711519161,
            "variance": 7.352336163
          },
          {
            "average": 12.35672471,
            "count": 5703911,
            "maximum": 3263,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.08935402,
            "variance": 1094.90535
          },
          {
            "average": 1.066264709,
            "count": 5703911,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2559878832,
            "variance": 0.06552979634
          },
          {
            "average": 1.122802407,
            "count": 5703911,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3435865989,
            "variance": 0.118051751
          },
          {
            "average": 1,
            "count": 5703911,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5703911,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5703911,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.56787203,
            "count": 5703911,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.500100827,
            "variance": 12.2507058
          },
          {
            "average": 98.24023832,
            "count": 5703911,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 69.3108521,
            "variance": 4803.994219
          },
          {
            "average": 2.99889567,
            "count": 5703911,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.049064825,
            "variance": 1.100537008
          },
          {
            "average": 63670456.68,
            "count": 5703911,
            "maximum": 63742903.29,
            "minimum": 63590501.17,
            "name": "GpsTime",
            "position": 12,
            "stddev": 74260.86097,
            "variance": 5514675472
          },
          {
            "average": 0,
            "count": 5703911,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5703911,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5703911,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5703911,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5703911,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.0341,
          2358998.479,
          -16.72446796,
          638000.0541,
          2359998.499,
          0.5355320417
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0341477108,
                2358998.4791813176,
                -16.7244679583427
              ],
              [
                637000.0341477108,
                2359998.499181317,
                -16.7244679583427
              ],
              [
                638000.0541477108,
                2359998.499181317,
                0.5355320416573
              ],
              [
                638000.0541477108,
                2358998.4791813176,
                0.5355320416573
              ],
              [
                637000.0341477108,
                2358998.4791813176,
                -16.7244679583427
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:08:23+00:00",
        "end_time": "2013-09-19T01:48:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3759.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3759.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3759.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3759.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6789705,
            21.32769816,
            -16.72446796,
            -157.6692483,
            21.33680726,
            0.5355320417
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.67897051046936,
                  21.32777420237298,
                  -16.7244679583427
                ],
                [
                  -157.67888962469922,
                  21.33680726424503,
                  -16.7244679583427
                ],
                [
                  -157.6692482674805,
                  21.336731189501943,
                  0.5355320416573
                ],
                [
                  -157.66932974358627,
                  21.327698162899207,
                  0.5355320416573
                ],
                [
                  -157.67897051046936,
                  21.32777420237298,
                  -16.7244679583427
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3759.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3759.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:08:23Z",
            "pc:count": 5703911,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637469.3462,
                "count": 5703911,
                "maximum": 638000.0541,
                "minimum": 637000.0341,
                "name": "X",
                "position": 0,
                "stddev": 292.4158898,
                "variance": 85507.05264
              },
              {
                "average": 2359452.679,
                "count": 5703911,
                "maximum": 2359998.499,
                "minimum": 2358998.479,
                "name": "Y",
                "position": 1,
                "stddev": 253.3429312,
                "variance": 64182.64078
              },
              {
                "average": -6.72393399,
                "count": 5703911,
                "maximum": 0.5355320417,
                "minimum": -16.72446796,
                "name": "Z",
                "position": 2,
                "stddev": 2.711519161,
                "variance": 7.352336163
              },
              {
                "average": 12.35672471,
                "count": 5703911,
                "maximum": 3263,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.08935402,
                "variance": 1094.90535
              },
              {
                "average": 1.066264709,
                "count": 5703911,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2559878832,
                "variance": 0.06552979634
              },
              {
                "average": 1.122802407,
                "count": 5703911,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3435865989,
                "variance": 0.118051751
              },
              {
                "average": 1,
                "count": 5703911,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5703911,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5703911,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.56787203,
                "count": 5703911,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.500100827,
                "variance": 12.2507058
              },
              {
                "average": 98.24023832,
                "count": 5703911,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 69.3108521,
                "variance": 4803.994219
              },
              {
                "average": 2.99889567,
                "count": 5703911,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.049064825,
                "variance": 1.100537008
              },
              {
                "average": 63670456.68,
                "count": 5703911,
                "maximum": 63742903.29,
                "minimum": 63590501.17,
                "name": "GpsTime",
                "position": 12,
                "stddev": 74260.86097,
                "variance": 5514675472
              },
              {
                "average": 0,
                "count": 5703911,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5703911,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5703911,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5703911,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5703911,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.0341,
              2358998.479,
              -16.72446796,
              638000.0541,
              2359998.499,
              0.5355320417
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0341477108,
                    2358998.4791813176,
                    -16.7244679583427
                  ],
                  [
                    637000.0341477108,
                    2359998.499181317,
                    -16.7244679583427
                  ],
                  [
                    638000.0541477108,
                    2359998.499181317,
                    0.5355320416573
                  ],
                  [
                    638000.0541477108,
                    2358998.4791813176,
                    0.5355320416573
                  ],
                  [
                    637000.0341477108,
                    2358998.4791813176,
                    -16.7244679583427
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:08:23+00:00",
            "end_time": "2013-09-19T01:48:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3070.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.745611491836,
              21.427654688209092,
              -4.192324234118866
            ],
            [
              -157.74553427413838,
              21.436687693530306,
              -4.192324234118866
            ],
            [
              -157.73588591567832,
              21.436615121513146,
              31.727675765881138
            ],
            [
              -157.73596372533837,
              21.427582149727257,
              31.727675765881138
            ],
            [
              -157.745611491836,
              21.427654688209092,
              -4.192324234118866
            ]
          ]
        ]
      },
      "bbox": [
        -157.7456115,
        21.42758215,
        -4.192324234,
        -157.7358859,
        21.43668769,
        31.72767577
      ],
      "properties": {
        "datetime": "2013-09-19T19:45:46Z",
        "pc:count": 4822012,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630487.5072,
            "count": 4822012,
            "maximum": 630999.8894,
            "minimum": 629999.8494,
            "name": "X",
            "position": 0,
            "stddev": 285.4187374,
            "variance": 81463.85564
          },
          {
            "average": 2370504.69,
            "count": 4822012,
            "maximum": 2370998.476,
            "minimum": 2369998.476,
            "name": "Y",
            "position": 1,
            "stddev": 315.4590034,
            "variance": 99514.38285
          },
          {
            "average": 2.881454278,
            "count": 4822012,
            "maximum": 31.72767577,
            "minimum": -4.192324234,
            "name": "Z",
            "position": 2,
            "stddev": 2.84807379,
            "variance": 8.11152431
          },
          {
            "average": 24.80729683,
            "count": 4822012,
            "maximum": 945,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 38.57019654,
            "variance": 1487.660061
          },
          {
            "average": 1.240713213,
            "count": 4822012,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6306975891,
            "variance": 0.3977794489
          },
          {
            "average": 1.482547741,
            "count": 4822012,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9719357205,
            "variance": 0.9446590448
          },
          {
            "average": 1,
            "count": 4822012,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4822012,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 5.817540894,
            "count": 4822012,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.28052193,
            "variance": 105.6891311
          },
          {
            "average": 18.39426693,
            "count": 4822012,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.135605581,
            "variance": 37.64565584
          },
          {
            "average": 92.09120985,
            "count": 4822012,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.48035089,
            "variance": 4157.715651
          },
          {
            "average": 3.560591305,
            "count": 4822012,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.27646867,
            "variance": 5.182309604
          },
          {
            "average": 63594026.44,
            "count": 4822012,
            "maximum": 63655146.83,
            "minimum": 63591821.59,
            "name": "GpsTime",
            "position": 12,
            "stddev": 8000.464122,
            "variance": 64007426.16
          },
          {
            "average": 0,
            "count": 4822012,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4822012,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4822012,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4822012,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4822012,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8494,
          2369998.476,
          -4.192324234,
          630999.8894,
          2370998.476,
          31.72767577
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8493894059,
                2369998.475869314,
                -4.192324234118866
              ],
              [
                629999.8493894059,
                2370998.475869314,
                -4.192324234118866
              ],
              [
                630999.889389406,
                2370998.475869314,
                31.727675765881138
              ],
              [
                630999.889389406,
                2369998.475869314,
                31.727675765881138
              ],
              [
                629999.8493894059,
                2369998.475869314,
                -4.192324234118866
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:45:46+00:00",
        "end_time": "2013-09-19T02:10:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3070.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3070.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3070.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3070.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7456115,
            21.42758215,
            -4.192324234,
            -157.7358859,
            21.43668769,
            31.72767577
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.745611491836,
                  21.427654688209092,
                  -4.192324234118866
                ],
                [
                  -157.74553427413838,
                  21.436687693530306,
                  -4.192324234118866
                ],
                [
                  -157.73588591567832,
                  21.436615121513146,
                  31.727675765881138
                ],
                [
                  -157.73596372533837,
                  21.427582149727257,
                  31.727675765881138
                ],
                [
                  -157.745611491836,
                  21.427654688209092,
                  -4.192324234118866
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3070.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3070.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:45:46Z",
            "pc:count": 4822012,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630487.5072,
                "count": 4822012,
                "maximum": 630999.8894,
                "minimum": 629999.8494,
                "name": "X",
                "position": 0,
                "stddev": 285.4187374,
                "variance": 81463.85564
              },
              {
                "average": 2370504.69,
                "count": 4822012,
                "maximum": 2370998.476,
                "minimum": 2369998.476,
                "name": "Y",
                "position": 1,
                "stddev": 315.4590034,
                "variance": 99514.38285
              },
              {
                "average": 2.881454278,
                "count": 4822012,
                "maximum": 31.72767577,
                "minimum": -4.192324234,
                "name": "Z",
                "position": 2,
                "stddev": 2.84807379,
                "variance": 8.11152431
              },
              {
                "average": 24.80729683,
                "count": 4822012,
                "maximum": 945,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 38.57019654,
                "variance": 1487.660061
              },
              {
                "average": 1.240713213,
                "count": 4822012,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6306975891,
                "variance": 0.3977794489
              },
              {
                "average": 1.482547741,
                "count": 4822012,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9719357205,
                "variance": 0.9446590448
              },
              {
                "average": 1,
                "count": 4822012,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4822012,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 5.817540894,
                "count": 4822012,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.28052193,
                "variance": 105.6891311
              },
              {
                "average": 18.39426693,
                "count": 4822012,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.135605581,
                "variance": 37.64565584
              },
              {
                "average": 92.09120985,
                "count": 4822012,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.48035089,
                "variance": 4157.715651
              },
              {
                "average": 3.560591305,
                "count": 4822012,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.27646867,
                "variance": 5.182309604
              },
              {
                "average": 63594026.44,
                "count": 4822012,
                "maximum": 63655146.83,
                "minimum": 63591821.59,
                "name": "GpsTime",
                "position": 12,
                "stddev": 8000.464122,
                "variance": 64007426.16
              },
              {
                "average": 0,
                "count": 4822012,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4822012,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4822012,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4822012,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4822012,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8494,
              2369998.476,
              -4.192324234,
              630999.8894,
              2370998.476,
              31.72767577
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8493894059,
                    2369998.475869314,
                    -4.192324234118866
                  ],
                  [
                    629999.8493894059,
                    2370998.475869314,
                    -4.192324234118866
                  ],
                  [
                    630999.889389406,
                    2370998.475869314,
                    31.727675765881138
                  ],
                  [
                    630999.889389406,
                    2369998.475869314,
                    31.727675765881138
                  ],
                  [
                    629999.8493894059,
                    2369998.475869314,
                    -4.192324234118866
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:45:46+00:00",
            "end_time": "2013-09-19T02:10:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3351.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71816129984165,
              21.25580810084916,
              -50.43122154942759
            ],
            [
              -157.71808310779508,
              21.264841201354912,
              -50.43122154942759
            ],
            [
              -157.70844609159352,
              21.264767611110713,
              58.588778450572406
            ],
            [
              -157.70852487095468,
              21.255734544896203,
              58.588778450572406
            ],
            [
              -157.71816129984165,
              21.25580810084916,
              -50.43122154942759
            ]
          ]
        ]
      },
      "bbox": [
        -157.7181613,
        21.25573454,
        -50.43122155,
        -157.7084461,
        21.2648412,
        58.58877845
      ],
      "properties": {
        "datetime": "2013-09-22T18:11:27Z",
        "pc:count": 6253106,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633592.464,
            "count": 6253106,
            "maximum": 633999.9402,
            "minimum": 632999.9002,
            "name": "X",
            "position": 0,
            "stddev": 288.9153834,
            "variance": 83472.09877
          },
          {
            "average": 2351637.159,
            "count": 6253106,
            "maximum": 2351998.456,
            "minimum": 2350998.456,
            "name": "Y",
            "position": 1,
            "stddev": 231.1355946,
            "variance": 53423.66308
          },
          {
            "average": 0.8389317872,
            "count": 6253106,
            "maximum": 58.58877845,
            "minimum": -50.43122155,
            "name": "Z",
            "position": 2,
            "stddev": 19.17906295,
            "variance": 367.8364557
          },
          {
            "average": 173.179495,
            "count": 6253106,
            "maximum": 5988,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 381.9490926,
            "variance": 145885.1093
          },
          {
            "average": 1.173628434,
            "count": 6253106,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5448490295,
            "variance": 0.296860465
          },
          {
            "average": 1.345022777,
            "count": 6253106,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8505903173,
            "variance": 0.7235038878
          },
          {
            "average": 1,
            "count": 6253106,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6253106,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.4206807,
            "count": 6253106,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.54505821,
            "variance": 183.468602
          },
          {
            "average": 18.72003511,
            "count": 6253106,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.54722412,
            "variance": 30.77169544
          },
          {
            "average": 116.7571533,
            "count": 6253106,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 84.01685918,
            "variance": 7058.832627
          },
          {
            "average": 12.05598642,
            "count": 6253106,
            "maximum": 18,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.951977351,
            "variance": 35.42603439
          },
          {
            "average": 63343820.73,
            "count": 6253106,
            "maximum": 63908687.27,
            "minimum": 62897253.14,
            "name": "GpsTime",
            "position": 12,
            "stddev": 305341.4917,
            "variance": 93233426550.0
          },
          {
            "average": 0,
            "count": 6253106,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6253106,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6253106,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6253106,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6253106,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9002,
          2350998.456,
          -50.43122155,
          633999.9402,
          2351998.456,
          58.58877845
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9002220114,
                2350998.4556048093,
                -50.43122154942759
              ],
              [
                632999.9002220114,
                2351998.4556048093,
                -50.43122154942759
              ],
              [
                633999.9402220114,
                2351998.4556048093,
                58.588778450572406
              ],
              [
                633999.9402220114,
                2350998.4556048093,
                58.588778450572406
              ],
              [
                632999.9002220114,
                2350998.4556048093,
                -50.43122154942759
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:11:27+00:00",
        "end_time": "2013-09-11T01:14:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3351.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3351.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3351.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3351.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7181613,
            21.25573454,
            -50.43122155,
            -157.7084461,
            21.2648412,
            58.58877845
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71816129984165,
                  21.25580810084916,
                  -50.43122154942759
                ],
                [
                  -157.71808310779508,
                  21.264841201354912,
                  -50.43122154942759
                ],
                [
                  -157.70844609159352,
                  21.264767611110713,
                  58.588778450572406
                ],
                [
                  -157.70852487095468,
                  21.255734544896203,
                  58.588778450572406
                ],
                [
                  -157.71816129984165,
                  21.25580810084916,
                  -50.43122154942759
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3351.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3351.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:11:27Z",
            "pc:count": 6253106,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633592.464,
                "count": 6253106,
                "maximum": 633999.9402,
                "minimum": 632999.9002,
                "name": "X",
                "position": 0,
                "stddev": 288.9153834,
                "variance": 83472.09877
              },
              {
                "average": 2351637.159,
                "count": 6253106,
                "maximum": 2351998.456,
                "minimum": 2350998.456,
                "name": "Y",
                "position": 1,
                "stddev": 231.1355946,
                "variance": 53423.66308
              },
              {
                "average": 0.8389317872,
                "count": 6253106,
                "maximum": 58.58877845,
                "minimum": -50.43122155,
                "name": "Z",
                "position": 2,
                "stddev": 19.17906295,
                "variance": 367.8364557
              },
              {
                "average": 173.179495,
                "count": 6253106,
                "maximum": 5988,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 381.9490926,
                "variance": 145885.1093
              },
              {
                "average": 1.173628434,
                "count": 6253106,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5448490295,
                "variance": 0.296860465
              },
              {
                "average": 1.345022777,
                "count": 6253106,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8505903173,
                "variance": 0.7235038878
              },
              {
                "average": 1,
                "count": 6253106,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6253106,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.4206807,
                "count": 6253106,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.54505821,
                "variance": 183.468602
              },
              {
                "average": 18.72003511,
                "count": 6253106,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.54722412,
                "variance": 30.77169544
              },
              {
                "average": 116.7571533,
                "count": 6253106,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 84.01685918,
                "variance": 7058.832627
              },
              {
                "average": 12.05598642,
                "count": 6253106,
                "maximum": 18,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.951977351,
                "variance": 35.42603439
              },
              {
                "average": 63343820.73,
                "count": 6253106,
                "maximum": 63908687.27,
                "minimum": 62897253.14,
                "name": "GpsTime",
                "position": 12,
                "stddev": 305341.4917,
                "variance": 93233426550.0
              },
              {
                "average": 0,
                "count": 6253106,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6253106,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6253106,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6253106,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6253106,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9002,
              2350998.456,
              -50.43122155,
              633999.9402,
              2351998.456,
              58.58877845
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9002220114,
                    2350998.4556048093,
                    -50.43122154942759
                  ],
                  [
                    632999.9002220114,
                    2351998.4556048093,
                    -50.43122154942759
                  ],
                  [
                    633999.9402220114,
                    2351998.4556048093,
                    58.588778450572406
                  ],
                  [
                    633999.9402220114,
                    2350998.4556048093,
                    58.588778450572406
                  ],
                  [
                    632999.9002220114,
                    2350998.4556048093,
                    -50.43122154942759
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:11:27+00:00",
            "end_time": "2013-09-11T01:14:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3558.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.69796221536663,
              21.324283369508933,
              4.215817906173662
            ],
            [
              -157.6979300665727,
              21.32792220837935,
              4.215817906173662
            ],
            [
              -157.68861140024117,
              21.32784976976218,
              120.81581790617366
            ],
            [
              -157.68864377611044,
              21.324210944636366,
              120.81581790617366
            ],
            [
              -157.69796221536663,
              21.324283369508933,
              4.215817906173662
            ]
          ]
        ]
      },
      "bbox": [
        -157.6979622,
        21.32421094,
        4.215817906,
        -157.6886114,
        21.32792221,
        120.8158179
      ],
      "properties": {
        "datetime": "2013-09-21T00:39:24Z",
        "pc:count": 2467121,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635699.0003,
            "count": 2467121,
            "maximum": 636000.0063,
            "minimum": 635033.4063,
            "name": "X",
            "position": 0,
            "stddev": 215.2844764,
            "variance": 46347.40578
          },
          {
            "average": 2358821.183,
            "count": 2467121,
            "maximum": 2358998.488,
            "minimum": 2358595.648,
            "name": "Y",
            "position": 1,
            "stddev": 116.4548208,
            "variance": 13561.72529
          },
          {
            "average": 19.96849217,
            "count": 2467121,
            "maximum": 120.8158179,
            "minimum": 4.215817906,
            "name": "Z",
            "position": 2,
            "stddev": 15.01728647,
            "variance": 225.5188929
          },
          {
            "average": 20.20633645,
            "count": 2467121,
            "maximum": 1066,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 38.81163344,
            "variance": 1506.34289
          },
          {
            "average": 1.703475427,
            "count": 2467121,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.032462154,
            "variance": 1.0659781
          },
          {
            "average": 2.406090743,
            "count": 2467121,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.500821089,
            "variance": 2.25246394
          },
          {
            "average": 1,
            "count": 2467121,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2467121,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.141222502,
            "count": 2467121,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3482509957,
            "variance": 0.121278756
          },
          {
            "average": 23.1195794,
            "count": 2467121,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.897098574,
            "variance": 47.56996874
          },
          {
            "average": 91.13615303,
            "count": 2467121,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.09162661,
            "variance": 4368.103108
          },
          {
            "average": 3.864016398,
            "count": 2467121,
            "maximum": 10,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.251024927,
            "variance": 1.565063367
          },
          {
            "average": 63692389.24,
            "count": 2467121,
            "maximum": 63759164.31,
            "minimum": 63651004.23,
            "name": "GpsTime",
            "position": 12,
            "stddev": 51743.09558,
            "variance": 2677347940
          },
          {
            "average": 0,
            "count": 2467121,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2467121,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2467121,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2467121,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2467121,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          635033.4063,
          2358595.648,
          4.215817906,
          636000.0063,
          2358998.488,
          120.8158179
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                635033.4062698212,
                2358595.6480627293,
                4.215817906173662
              ],
              [
                635033.4062698212,
                2358998.488062729,
                4.215817906173662
              ],
              [
                636000.0062698213,
                2358998.488062729,
                120.81581790617366
              ],
              [
                636000.0062698213,
                2358595.6480627293,
                120.81581790617366
              ],
              [
                635033.4062698212,
                2358595.6480627293,
                4.215817906173662
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:39:24+00:00",
        "end_time": "2013-09-19T18:36:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3558.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3558.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3558.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3558.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6979622,
            21.32421094,
            4.215817906,
            -157.6886114,
            21.32792221,
            120.8158179
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.69796221536663,
                  21.324283369508933,
                  4.215817906173662
                ],
                [
                  -157.6979300665727,
                  21.32792220837935,
                  4.215817906173662
                ],
                [
                  -157.68861140024117,
                  21.32784976976218,
                  120.81581790617366
                ],
                [
                  -157.68864377611044,
                  21.324210944636366,
                  120.81581790617366
                ],
                [
                  -157.69796221536663,
                  21.324283369508933,
                  4.215817906173662
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3558.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3558.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:39:24Z",
            "pc:count": 2467121,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635699.0003,
                "count": 2467121,
                "maximum": 636000.0063,
                "minimum": 635033.4063,
                "name": "X",
                "position": 0,
                "stddev": 215.2844764,
                "variance": 46347.40578
              },
              {
                "average": 2358821.183,
                "count": 2467121,
                "maximum": 2358998.488,
                "minimum": 2358595.648,
                "name": "Y",
                "position": 1,
                "stddev": 116.4548208,
                "variance": 13561.72529
              },
              {
                "average": 19.96849217,
                "count": 2467121,
                "maximum": 120.8158179,
                "minimum": 4.215817906,
                "name": "Z",
                "position": 2,
                "stddev": 15.01728647,
                "variance": 225.5188929
              },
              {
                "average": 20.20633645,
                "count": 2467121,
                "maximum": 1066,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 38.81163344,
                "variance": 1506.34289
              },
              {
                "average": 1.703475427,
                "count": 2467121,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.032462154,
                "variance": 1.0659781
              },
              {
                "average": 2.406090743,
                "count": 2467121,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.500821089,
                "variance": 2.25246394
              },
              {
                "average": 1,
                "count": 2467121,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2467121,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.141222502,
                "count": 2467121,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3482509957,
                "variance": 0.121278756
              },
              {
                "average": 23.1195794,
                "count": 2467121,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.897098574,
                "variance": 47.56996874
              },
              {
                "average": 91.13615303,
                "count": 2467121,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.09162661,
                "variance": 4368.103108
              },
              {
                "average": 3.864016398,
                "count": 2467121,
                "maximum": 10,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.251024927,
                "variance": 1.565063367
              },
              {
                "average": 63692389.24,
                "count": 2467121,
                "maximum": 63759164.31,
                "minimum": 63651004.23,
                "name": "GpsTime",
                "position": 12,
                "stddev": 51743.09558,
                "variance": 2677347940
              },
              {
                "average": 0,
                "count": 2467121,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2467121,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2467121,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2467121,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2467121,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              635033.4063,
              2358595.648,
              4.215817906,
              636000.0063,
              2358998.488,
              120.8158179
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    635033.4062698212,
                    2358595.6480627293,
                    4.215817906173662
                  ],
                  [
                    635033.4062698212,
                    2358998.488062729,
                    4.215817906173662
                  ],
                  [
                    636000.0062698213,
                    2358998.488062729,
                    120.81581790617366
                  ],
                  [
                    636000.0062698213,
                    2358595.6480627293,
                    120.81581790617366
                  ],
                  [
                    635033.4062698212,
                    2358595.6480627293,
                    4.215817906173662
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:39:24+00:00",
            "end_time": "2013-09-19T18:36:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3174.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73565224532044,
              21.463714098425314,
              -45.55535846088128
            ],
            [
              -157.7355742735933,
              21.472747036402655,
              -45.55535846088128
            ],
            [
              -157.72592376681595,
              21.472673776815085,
              -14.755358460881281
            ],
            [
              -157.7260023314965,
              21.46364087289981,
              -14.755358460881281
            ],
            [
              -157.73565224532044,
              21.463714098425314,
              -45.55535846088128
            ]
          ]
        ]
      },
      "bbox": [
        -157.7356522,
        21.46364087,
        -45.55535846,
        -157.7259238,
        21.47274704,
        -14.75535846
      ],
      "properties": {
        "datetime": "2013-09-21T02:00:35Z",
        "pc:count": 734468,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631547.3876,
            "count": 734468,
            "maximum": 631999.9091,
            "minimum": 630999.8891,
            "name": "X",
            "position": 0,
            "stddev": 281.3680349,
            "variance": 79167.97105
          },
          {
            "average": 2374436.408,
            "count": 734468,
            "maximum": 2374998.488,
            "minimum": 2373998.488,
            "name": "Y",
            "position": 1,
            "stddev": 281.8829456,
            "variance": 79457.99499
          },
          {
            "average": -25.79841834,
            "count": 734468,
            "maximum": -14.75535846,
            "minimum": -45.55535846,
            "name": "Z",
            "position": 2,
            "stddev": 6.081825043,
            "variance": 36.98859585
          },
          {
            "average": 360.1617947,
            "count": 734468,
            "maximum": 1044,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 147.6130551,
            "variance": 21789.61403
          },
          {
            "average": 1.002815643,
            "count": 734468,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.05334643653,
            "variance": 0.00284584229
          },
          {
            "average": 1.004193511,
            "count": 734468,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.06603862456,
            "variance": 0.004361099933
          },
          {
            "average": 1,
            "count": 734468,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 734468,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 734468,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.20562702,
            "count": 734468,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.573563865,
            "variance": 91.65312508
          },
          {
            "average": 237.8135753,
            "count": 734468,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 41.10012353,
            "variance": 1689.220154
          },
          {
            "average": 12.14868041,
            "count": 734468,
            "maximum": 17,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.71298565,
            "variance": 7.360291138
          },
          {
            "average": 63762591.55,
            "count": 734468,
            "maximum": 63764035.67,
            "minimum": 63760503.45,
            "name": "GpsTime",
            "position": 12,
            "stddev": 945.7019594,
            "variance": 894352.1959
          },
          {
            "average": 0,
            "count": 734468,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 734468,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 734468,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 734468,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 734468,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8891,
          2373998.488,
          -45.55535846,
          631999.9091,
          2374998.488,
          -14.75535846
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.889121525,
                2373998.48829319,
                -45.55535846088128
              ],
              [
                630999.889121525,
                2374998.48829319,
                -45.55535846088128
              ],
              [
                631999.909121525,
                2374998.48829319,
                -14.755358460881281
              ],
              [
                631999.909121525,
                2373998.48829319,
                -14.755358460881281
              ],
              [
                630999.889121525,
                2373998.48829319,
                -45.55535846088128
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:00:35+00:00",
        "end_time": "2013-09-21T01:01:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3174.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3174.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3174.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3174.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7356522,
            21.46364087,
            -45.55535846,
            -157.7259238,
            21.47274704,
            -14.75535846
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73565224532044,
                  21.463714098425314,
                  -45.55535846088128
                ],
                [
                  -157.7355742735933,
                  21.472747036402655,
                  -45.55535846088128
                ],
                [
                  -157.72592376681595,
                  21.472673776815085,
                  -14.755358460881281
                ],
                [
                  -157.7260023314965,
                  21.46364087289981,
                  -14.755358460881281
                ],
                [
                  -157.73565224532044,
                  21.463714098425314,
                  -45.55535846088128
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3174.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3174.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:00:35Z",
            "pc:count": 734468,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631547.3876,
                "count": 734468,
                "maximum": 631999.9091,
                "minimum": 630999.8891,
                "name": "X",
                "position": 0,
                "stddev": 281.3680349,
                "variance": 79167.97105
              },
              {
                "average": 2374436.408,
                "count": 734468,
                "maximum": 2374998.488,
                "minimum": 2373998.488,
                "name": "Y",
                "position": 1,
                "stddev": 281.8829456,
                "variance": 79457.99499
              },
              {
                "average": -25.79841834,
                "count": 734468,
                "maximum": -14.75535846,
                "minimum": -45.55535846,
                "name": "Z",
                "position": 2,
                "stddev": 6.081825043,
                "variance": 36.98859585
              },
              {
                "average": 360.1617947,
                "count": 734468,
                "maximum": 1044,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 147.6130551,
                "variance": 21789.61403
              },
              {
                "average": 1.002815643,
                "count": 734468,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.05334643653,
                "variance": 0.00284584229
              },
              {
                "average": 1.004193511,
                "count": 734468,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.06603862456,
                "variance": 0.004361099933
              },
              {
                "average": 1,
                "count": 734468,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 734468,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 734468,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.20562702,
                "count": 734468,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.573563865,
                "variance": 91.65312508
              },
              {
                "average": 237.8135753,
                "count": 734468,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 41.10012353,
                "variance": 1689.220154
              },
              {
                "average": 12.14868041,
                "count": 734468,
                "maximum": 17,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.71298565,
                "variance": 7.360291138
              },
              {
                "average": 63762591.55,
                "count": 734468,
                "maximum": 63764035.67,
                "minimum": 63760503.45,
                "name": "GpsTime",
                "position": 12,
                "stddev": 945.7019594,
                "variance": 894352.1959
              },
              {
                "average": 0,
                "count": 734468,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 734468,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 734468,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 734468,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 734468,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8891,
              2373998.488,
              -45.55535846,
              631999.9091,
              2374998.488,
              -14.75535846
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.889121525,
                    2373998.48829319,
                    -45.55535846088128
                  ],
                  [
                    630999.889121525,
                    2374998.48829319,
                    -45.55535846088128
                  ],
                  [
                    631999.909121525,
                    2374998.48829319,
                    -14.755358460881281
                  ],
                  [
                    631999.909121525,
                    2373998.48829319,
                    -14.755358460881281
                  ],
                  [
                    630999.889121525,
                    2373998.48829319,
                    -45.55535846088128
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:00:35+00:00",
            "end_time": "2013-09-21T01:01:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3175.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73464042612713,
              21.472740082696756,
              -45.77056195759861
            ],
            [
              -157.73461503291395,
              21.47567759842665,
              -45.77056195759861
            ],
            [
              -157.72589811693695,
              21.475611392471908,
              -30.77056195759861
            ],
            [
              -157.72592368515407,
              21.47267388731843,
              -30.77056195759861
            ],
            [
              -157.73464042612713,
              21.472740082696756,
              -45.77056195759861
            ]
          ]
        ]
      },
      "bbox": [
        -157.7346404,
        21.47267389,
        -45.77056196,
        -157.7258981,
        21.4756776,
        -30.77056196
      ],
      "properties": {
        "datetime": "2013-09-21T01:29:51Z",
        "pc:count": 35150,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631770.1824,
            "count": 35150,
            "maximum": 631999.9175,
            "minimum": 631096.6575,
            "name": "X",
            "position": 0,
            "stddev": 174.6074859,
            "variance": 30487.77412
          },
          {
            "average": 2375072.59,
            "count": 35150,
            "maximum": 2375323.701,
            "minimum": 2374998.501,
            "name": "Y",
            "position": 1,
            "stddev": 56.38679995,
            "variance": 3179.471209
          },
          {
            "average": -36.76202056,
            "count": 35150,
            "maximum": -30.77056196,
            "minimum": -45.77056196,
            "name": "Z",
            "position": 2,
            "stddev": 3.207169687,
            "variance": 10.2859374
          },
          {
            "average": 448.2592603,
            "count": 35150,
            "maximum": 1026,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 212.4791444,
            "variance": 45147.38679
          },
          {
            "average": 1,
            "count": 35150,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 35150,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 35150,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35150,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 35150,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.7206001,
            "count": 35150,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.49186678,
            "variance": 90.09553496
          },
          {
            "average": 249.0026743,
            "count": 35150,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.05164472335,
            "variance": 0.00266717745
          },
          {
            "average": 7.252091038,
            "count": 35150,
            "maximum": 11,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9378116957,
            "variance": 0.8794907767
          },
          {
            "average": 63760820.8,
            "count": 35150,
            "maximum": 63762191.95,
            "minimum": 63760503.45,
            "name": "GpsTime",
            "position": 12,
            "stddev": 335.5241247,
            "variance": 112576.4383
          },
          {
            "average": 0,
            "count": 35150,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35150,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35150,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35150,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35150,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631096.6575,
          2374998.501,
          -45.77056196,
          631999.9175,
          2375323.701,
          -30.77056196
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631096.6574834605,
                2374998.5005946937,
                -45.77056195759861
              ],
              [
                631096.6574834605,
                2375323.700594694,
                -45.77056195759861
              ],
              [
                631999.9174834605,
                2375323.700594694,
                -30.77056195759861
              ],
              [
                631999.9174834605,
                2374998.5005946937,
                -30.77056195759861
              ],
              [
                631096.6574834605,
                2374998.5005946937,
                -45.77056195759861
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:29:51+00:00",
        "end_time": "2013-09-21T01:01:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3175.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3175.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3175.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3175.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7346404,
            21.47267389,
            -45.77056196,
            -157.7258981,
            21.4756776,
            -30.77056196
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73464042612713,
                  21.472740082696756,
                  -45.77056195759861
                ],
                [
                  -157.73461503291395,
                  21.47567759842665,
                  -45.77056195759861
                ],
                [
                  -157.72589811693695,
                  21.475611392471908,
                  -30.77056195759861
                ],
                [
                  -157.72592368515407,
                  21.47267388731843,
                  -30.77056195759861
                ],
                [
                  -157.73464042612713,
                  21.472740082696756,
                  -45.77056195759861
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3175.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3175.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:29:51Z",
            "pc:count": 35150,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631770.1824,
                "count": 35150,
                "maximum": 631999.9175,
                "minimum": 631096.6575,
                "name": "X",
                "position": 0,
                "stddev": 174.6074859,
                "variance": 30487.77412
              },
              {
                "average": 2375072.59,
                "count": 35150,
                "maximum": 2375323.701,
                "minimum": 2374998.501,
                "name": "Y",
                "position": 1,
                "stddev": 56.38679995,
                "variance": 3179.471209
              },
              {
                "average": -36.76202056,
                "count": 35150,
                "maximum": -30.77056196,
                "minimum": -45.77056196,
                "name": "Z",
                "position": 2,
                "stddev": 3.207169687,
                "variance": 10.2859374
              },
              {
                "average": 448.2592603,
                "count": 35150,
                "maximum": 1026,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 212.4791444,
                "variance": 45147.38679
              },
              {
                "average": 1,
                "count": 35150,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 35150,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 35150,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35150,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 35150,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.7206001,
                "count": 35150,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.49186678,
                "variance": 90.09553496
              },
              {
                "average": 249.0026743,
                "count": 35150,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.05164472335,
                "variance": 0.00266717745
              },
              {
                "average": 7.252091038,
                "count": 35150,
                "maximum": 11,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9378116957,
                "variance": 0.8794907767
              },
              {
                "average": 63760820.8,
                "count": 35150,
                "maximum": 63762191.95,
                "minimum": 63760503.45,
                "name": "GpsTime",
                "position": 12,
                "stddev": 335.5241247,
                "variance": 112576.4383
              },
              {
                "average": 0,
                "count": 35150,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35150,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35150,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35150,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35150,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631096.6575,
              2374998.501,
              -45.77056196,
              631999.9175,
              2375323.701,
              -30.77056196
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631096.6574834605,
                    2374998.5005946937,
                    -45.77056195759861
                  ],
                  [
                    631096.6574834605,
                    2375323.700594694,
                    -45.77056195759861
                  ],
                  [
                    631999.9174834605,
                    2375323.700594694,
                    -30.77056195759861
                  ],
                  [
                    631999.9174834605,
                    2374998.5005946937,
                    -30.77056195759861
                  ],
                  [
                    631096.6574834605,
                    2374998.5005946937,
                    -45.77056195759861
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:29:51+00:00",
            "end_time": "2013-09-21T01:01:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3453.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70836727139402,
              21.273800647266018,
              0.725720299407978
            ],
            [
              -157.70828841319852,
              21.282833872939932,
              0.725720299407978
            ],
            [
              -157.69865045675746,
              21.282759664218453,
              62.74572029940798
            ],
            [
              -157.69872990201543,
              21.273726473116966,
              62.74572029940798
            ],
            [
              -157.70836727139402,
              21.273800647266018,
              0.725720299407978
            ]
          ]
        ]
      },
      "bbox": [
        -157.7083673,
        21.27372647,
        0.7257202994,
        -157.6986505,
        21.28283387,
        62.7457203
      ],
      "properties": {
        "datetime": "2013-09-22T20:18:10Z",
        "pc:count": 9994483,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634516.8088,
            "count": 9994483,
            "maximum": 634999.9602,
            "minimum": 633999.9402,
            "name": "X",
            "position": 0,
            "stddev": 277.5907408,
            "variance": 77056.61936
          },
          {
            "average": 2353468.587,
            "count": 9994483,
            "maximum": 2353998.473,
            "minimum": 2352998.453,
            "name": "Y",
            "position": 1,
            "stddev": 284.0563225,
            "variance": 80687.99437
          },
          {
            "average": 10.84500746,
            "count": 9994483,
            "maximum": 62.7457203,
            "minimum": 0.7257202994,
            "name": "Z",
            "position": 2,
            "stddev": 7.894410823,
            "variance": 62.32172224
          },
          {
            "average": 37.70755606,
            "count": 9994483,
            "maximum": 925,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 59.12867889,
            "variance": 3496.200667
          },
          {
            "average": 1.306975959,
            "count": 9994483,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6668404023,
            "variance": 0.4446761221
          },
          {
            "average": 1.621220727,
            "count": 9994483,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9990643047,
            "variance": 0.998129485
          },
          {
            "average": 1,
            "count": 9994483,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9994483,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.102350167,
            "count": 9994483,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.30360696,
            "variance": 0.09217718614
          },
          {
            "average": 20.43757454,
            "count": 9994483,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.013347678,
            "variance": 9.08026423
          },
          {
            "average": 91.85565016,
            "count": 9994483,
            "maximum": 213,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.86328443,
            "variance": 4207.245667
          },
          {
            "average": 12.56376483,
            "count": 9994483,
            "maximum": 20,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.3110941,
            "variance": 10.96334414
          },
          {
            "average": 63885442.38,
            "count": 9994483,
            "maximum": 63916290.44,
            "minimum": 63385003.87,
            "name": "GpsTime",
            "position": 12,
            "stddev": 121555.1808,
            "variance": 14775661990.0
          },
          {
            "average": 0,
            "count": 9994483,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9994483,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9994483,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9994483,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9994483,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9402,
          2352998.453,
          0.7257202994,
          634999.9602,
          2353998.473,
          62.7457203
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.940192411,
                2352998.453408665,
                0.725720299407978
              ],
              [
                633999.940192411,
                2353998.4734086646,
                0.725720299407978
              ],
              [
                634999.960192411,
                2353998.4734086646,
                62.74572029940798
              ],
              [
                634999.960192411,
                2352998.453408665,
                62.74572029940798
              ],
              [
                633999.940192411,
                2352998.453408665,
                0.725720299407978
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:18:10+00:00",
        "end_time": "2013-09-16T16:43:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3453.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3453.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3453.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3453.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7083673,
            21.27372647,
            0.7257202994,
            -157.6986505,
            21.28283387,
            62.7457203
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70836727139402,
                  21.273800647266018,
                  0.725720299407978
                ],
                [
                  -157.70828841319852,
                  21.282833872939932,
                  0.725720299407978
                ],
                [
                  -157.69865045675746,
                  21.282759664218453,
                  62.74572029940798
                ],
                [
                  -157.69872990201543,
                  21.273726473116966,
                  62.74572029940798
                ],
                [
                  -157.70836727139402,
                  21.273800647266018,
                  0.725720299407978
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3453.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3453.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:18:10Z",
            "pc:count": 9994483,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634516.8088,
                "count": 9994483,
                "maximum": 634999.9602,
                "minimum": 633999.9402,
                "name": "X",
                "position": 0,
                "stddev": 277.5907408,
                "variance": 77056.61936
              },
              {
                "average": 2353468.587,
                "count": 9994483,
                "maximum": 2353998.473,
                "minimum": 2352998.453,
                "name": "Y",
                "position": 1,
                "stddev": 284.0563225,
                "variance": 80687.99437
              },
              {
                "average": 10.84500746,
                "count": 9994483,
                "maximum": 62.7457203,
                "minimum": 0.7257202994,
                "name": "Z",
                "position": 2,
                "stddev": 7.894410823,
                "variance": 62.32172224
              },
              {
                "average": 37.70755606,
                "count": 9994483,
                "maximum": 925,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 59.12867889,
                "variance": 3496.200667
              },
              {
                "average": 1.306975959,
                "count": 9994483,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6668404023,
                "variance": 0.4446761221
              },
              {
                "average": 1.621220727,
                "count": 9994483,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9990643047,
                "variance": 0.998129485
              },
              {
                "average": 1,
                "count": 9994483,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9994483,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.102350167,
                "count": 9994483,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.30360696,
                "variance": 0.09217718614
              },
              {
                "average": 20.43757454,
                "count": 9994483,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.013347678,
                "variance": 9.08026423
              },
              {
                "average": 91.85565016,
                "count": 9994483,
                "maximum": 213,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.86328443,
                "variance": 4207.245667
              },
              {
                "average": 12.56376483,
                "count": 9994483,
                "maximum": 20,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.3110941,
                "variance": 10.96334414
              },
              {
                "average": 63885442.38,
                "count": 9994483,
                "maximum": 63916290.44,
                "minimum": 63385003.87,
                "name": "GpsTime",
                "position": 12,
                "stddev": 121555.1808,
                "variance": 14775661990.0
              },
              {
                "average": 0,
                "count": 9994483,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9994483,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9994483,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9994483,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9994483,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9402,
              2352998.453,
              0.7257202994,
              634999.9602,
              2353998.473,
              62.7457203
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.940192411,
                    2352998.453408665,
                    0.725720299407978
                  ],
                  [
                    633999.940192411,
                    2353998.4734086646,
                    0.725720299407978
                  ],
                  [
                    634999.960192411,
                    2353998.4734086646,
                    62.74572029940798
                  ],
                  [
                    634999.960192411,
                    2352998.453408665,
                    62.74572029940798
                  ],
                  [
                    633999.940192411,
                    2352998.453408665,
                    0.725720299407978
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:18:10+00:00",
            "end_time": "2013-09-16T16:43:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3250.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.727836073179,
              21.25139476667131,
              -58.46540023794314
            ],
            [
              -157.72779754515685,
              21.255881167081853,
              -58.46540023794314
            ],
            [
              -157.71816126746697,
              21.25580816300172,
              -25.98540023794314
            ],
            [
              -157.7182000870931,
              21.25132177950436,
              -25.98540023794314
            ],
            [
              -157.727836073179,
              21.25139476667131,
              -58.46540023794314
            ]
          ]
        ]
      },
      "bbox": [
        -157.7278361,
        21.25132178,
        -58.46540024,
        -157.7181613,
        21.25588117,
        -25.98540024
      ],
      "properties": {
        "datetime": "2013-09-22T18:11:07Z",
        "pc:count": 635494,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632520.208,
            "count": 635494,
            "maximum": 632999.9035,
            "minimum": 631999.8835,
            "name": "X",
            "position": 0,
            "stddev": 263.6325436,
            "variance": 69502.11806
          },
          {
            "average": 2350830.464,
            "count": 635494,
            "maximum": 2350998.463,
            "minimum": 2350501.803,
            "name": "Y",
            "position": 1,
            "stddev": 109.701663,
            "variance": 12034.45486
          },
          {
            "average": -35.13802357,
            "count": 635494,
            "maximum": -25.98540024,
            "minimum": -58.46540024,
            "name": "Z",
            "position": 2,
            "stddev": 6.512918424,
            "variance": 42.4181064
          },
          {
            "average": 2300.987606,
            "count": 635494,
            "maximum": 8990,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1198.330013,
            "variance": 1435994.82
          },
          {
            "average": 1.004564953,
            "count": 635494,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06768963682,
            "variance": 0.004581886933
          },
          {
            "average": 1.006154267,
            "count": 635494,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0788885641,
            "variance": 0.006223405545
          },
          {
            "average": 1,
            "count": 635494,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 635494,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 635494,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.83810819,
            "count": 635494,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.106979924,
            "variance": 82.93708333
          },
          {
            "average": 248.9697527,
            "count": 635494,
            "maximum": 251,
            "minimum": 94,
            "name": "UserData",
            "position": 10,
            "stddev": 2.466340254,
            "variance": 6.08283425
          },
          {
            "average": 6.019746843,
            "count": 635494,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.404631537,
            "variance": 5.782252829
          },
          {
            "average": 63051422.44,
            "count": 635494,
            "maximum": 63908667.33,
            "minimum": 62897230.05,
            "name": "GpsTime",
            "position": 12,
            "stddev": 356956.1992,
            "variance": 127417728100.0
          },
          {
            "average": 0,
            "count": 635494,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 635494,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 635494,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 635494,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 635494,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.8835,
          2350501.803,
          -58.46540024,
          632999.9035,
          2350998.463,
          -25.98540024
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.8835257171,
                2350501.80251214,
                -58.46540023794314
              ],
              [
                631999.8835257171,
                2350998.46251214,
                -58.46540023794314
              ],
              [
                632999.9035257171,
                2350998.46251214,
                -25.98540023794314
              ],
              [
                632999.9035257171,
                2350501.80251214,
                -25.98540023794314
              ],
              [
                631999.8835257171,
                2350501.80251214,
                -58.46540023794314
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:11:07+00:00",
        "end_time": "2013-09-11T01:13:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3250.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3250.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3250.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3250.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7278361,
            21.25132178,
            -58.46540024,
            -157.7181613,
            21.25588117,
            -25.98540024
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.727836073179,
                  21.25139476667131,
                  -58.46540023794314
                ],
                [
                  -157.72779754515685,
                  21.255881167081853,
                  -58.46540023794314
                ],
                [
                  -157.71816126746697,
                  21.25580816300172,
                  -25.98540023794314
                ],
                [
                  -157.7182000870931,
                  21.25132177950436,
                  -25.98540023794314
                ],
                [
                  -157.727836073179,
                  21.25139476667131,
                  -58.46540023794314
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3250.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3250.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:11:07Z",
            "pc:count": 635494,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632520.208,
                "count": 635494,
                "maximum": 632999.9035,
                "minimum": 631999.8835,
                "name": "X",
                "position": 0,
                "stddev": 263.6325436,
                "variance": 69502.11806
              },
              {
                "average": 2350830.464,
                "count": 635494,
                "maximum": 2350998.463,
                "minimum": 2350501.803,
                "name": "Y",
                "position": 1,
                "stddev": 109.701663,
                "variance": 12034.45486
              },
              {
                "average": -35.13802357,
                "count": 635494,
                "maximum": -25.98540024,
                "minimum": -58.46540024,
                "name": "Z",
                "position": 2,
                "stddev": 6.512918424,
                "variance": 42.4181064
              },
              {
                "average": 2300.987606,
                "count": 635494,
                "maximum": 8990,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1198.330013,
                "variance": 1435994.82
              },
              {
                "average": 1.004564953,
                "count": 635494,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06768963682,
                "variance": 0.004581886933
              },
              {
                "average": 1.006154267,
                "count": 635494,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0788885641,
                "variance": 0.006223405545
              },
              {
                "average": 1,
                "count": 635494,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 635494,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 635494,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.83810819,
                "count": 635494,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.106979924,
                "variance": 82.93708333
              },
              {
                "average": 248.9697527,
                "count": 635494,
                "maximum": 251,
                "minimum": 94,
                "name": "UserData",
                "position": 10,
                "stddev": 2.466340254,
                "variance": 6.08283425
              },
              {
                "average": 6.019746843,
                "count": 635494,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.404631537,
                "variance": 5.782252829
              },
              {
                "average": 63051422.44,
                "count": 635494,
                "maximum": 63908667.33,
                "minimum": 62897230.05,
                "name": "GpsTime",
                "position": 12,
                "stddev": 356956.1992,
                "variance": 127417728100.0
              },
              {
                "average": 0,
                "count": 635494,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 635494,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 635494,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 635494,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 635494,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.8835,
              2350501.803,
              -58.46540024,
              632999.9035,
              2350998.463,
              -25.98540024
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.8835257171,
                    2350501.80251214,
                    -58.46540023794314
                  ],
                  [
                    631999.8835257171,
                    2350998.46251214,
                    -58.46540023794314
                  ],
                  [
                    632999.9035257171,
                    2350998.46251214,
                    -25.98540023794314
                  ],
                  [
                    632999.9035257171,
                    2350501.80251214,
                    -25.98540023794314
                  ],
                  [
                    631999.8835257171,
                    2350501.80251214,
                    -58.46540023794314
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:11:07+00:00",
            "end_time": "2013-09-11T01:13:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3760.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6788896182405,
              21.336807213498776,
              -21.130346426594617
            ],
            [
              -157.67880869934424,
              21.345840084211627,
              -21.130346426594617
            ],
            [
              -157.66916675026013,
              21.345763974279055,
              -4.030346426594615
            ],
            [
              -157.66924826102507,
              21.33673113875549,
              -4.030346426594615
            ],
            [
              -157.6788896182405,
              21.336807213498776,
              -21.130346426594617
            ]
          ]
        ]
      },
      "bbox": [
        -157.6788896,
        21.33673114,
        -21.13034643,
        -157.6691668,
        21.34584008,
        -4.030346427
      ],
      "properties": {
        "datetime": "2013-09-20T19:49:04Z",
        "pc:count": 1072677,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637394.5935,
            "count": 1072677,
            "maximum": 638000.0549,
            "minimum": 637000.0349,
            "name": "X",
            "position": 0,
            "stddev": 308.3246688,
            "variance": 95064.10142
          },
          {
            "average": 2360421.275,
            "count": 1072677,
            "maximum": 2360998.494,
            "minimum": 2359998.494,
            "name": "Y",
            "position": 1,
            "stddev": 291.8012714,
            "variance": 85147.98197
          },
          {
            "average": -11.46775594,
            "count": 1072677,
            "maximum": -4.030346427,
            "minimum": -21.13034643,
            "name": "Z",
            "position": 2,
            "stddev": 3.821718492,
            "variance": 14.60553223
          },
          {
            "average": 39.18426516,
            "count": 1072677,
            "maximum": 5449,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 65.91953967,
            "variance": 4345.38571
          },
          {
            "average": 1.01962753,
            "count": 1072677,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1390924864,
            "variance": 0.01934671978
          },
          {
            "average": 1.023418979,
            "count": 1072677,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1519435196,
            "variance": 0.02308683315
          },
          {
            "average": 1,
            "count": 1072677,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1072677,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1072677,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.18633262,
            "count": 1072677,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.758678637,
            "variance": 33.16237965
          },
          {
            "average": 191.9349114,
            "count": 1072677,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 81.34466627,
            "variance": 6616.954731
          },
          {
            "average": 2.79856378,
            "count": 1072677,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.643875134,
            "variance": 6.990075724
          },
          {
            "average": 63712002.15,
            "count": 1072677,
            "maximum": 63741744.25,
            "minimum": 63590517.08,
            "name": "GpsTime",
            "position": 12,
            "stddev": 34090.08218,
            "variance": 1162133703
          },
          {
            "average": 0,
            "count": 1072677,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1072677,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1072677,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1072677,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1072677,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.0349,
          2359998.494,
          -21.13034643,
          638000.0549,
          2360998.494,
          -4.030346427
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0348647122,
                2359998.4935693825,
                -21.130346426594617
              ],
              [
                637000.0348647122,
                2360998.4935693825,
                -21.130346426594617
              ],
              [
                638000.0548647122,
                2360998.4935693825,
                -4.030346426594615
              ],
              [
                638000.0548647122,
                2359998.4935693825,
                -4.030346426594615
              ],
              [
                637000.0348647122,
                2359998.4935693825,
                -21.130346426594617
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:49:04+00:00",
        "end_time": "2013-09-19T01:48:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3760.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3760.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3760.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3760.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6788896,
            21.33673114,
            -21.13034643,
            -157.6691668,
            21.34584008,
            -4.030346427
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6788896182405,
                  21.336807213498776,
                  -21.130346426594617
                ],
                [
                  -157.67880869934424,
                  21.345840084211627,
                  -21.130346426594617
                ],
                [
                  -157.66916675026013,
                  21.345763974279055,
                  -4.030346426594615
                ],
                [
                  -157.66924826102507,
                  21.33673113875549,
                  -4.030346426594615
                ],
                [
                  -157.6788896182405,
                  21.336807213498776,
                  -21.130346426594617
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3760.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3760.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:49:04Z",
            "pc:count": 1072677,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637394.5935,
                "count": 1072677,
                "maximum": 638000.0549,
                "minimum": 637000.0349,
                "name": "X",
                "position": 0,
                "stddev": 308.3246688,
                "variance": 95064.10142
              },
              {
                "average": 2360421.275,
                "count": 1072677,
                "maximum": 2360998.494,
                "minimum": 2359998.494,
                "name": "Y",
                "position": 1,
                "stddev": 291.8012714,
                "variance": 85147.98197
              },
              {
                "average": -11.46775594,
                "count": 1072677,
                "maximum": -4.030346427,
                "minimum": -21.13034643,
                "name": "Z",
                "position": 2,
                "stddev": 3.821718492,
                "variance": 14.60553223
              },
              {
                "average": 39.18426516,
                "count": 1072677,
                "maximum": 5449,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 65.91953967,
                "variance": 4345.38571
              },
              {
                "average": 1.01962753,
                "count": 1072677,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1390924864,
                "variance": 0.01934671978
              },
              {
                "average": 1.023418979,
                "count": 1072677,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1519435196,
                "variance": 0.02308683315
              },
              {
                "average": 1,
                "count": 1072677,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1072677,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1072677,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.18633262,
                "count": 1072677,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.758678637,
                "variance": 33.16237965
              },
              {
                "average": 191.9349114,
                "count": 1072677,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 81.34466627,
                "variance": 6616.954731
              },
              {
                "average": 2.79856378,
                "count": 1072677,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.643875134,
                "variance": 6.990075724
              },
              {
                "average": 63712002.15,
                "count": 1072677,
                "maximum": 63741744.25,
                "minimum": 63590517.08,
                "name": "GpsTime",
                "position": 12,
                "stddev": 34090.08218,
                "variance": 1162133703
              },
              {
                "average": 0,
                "count": 1072677,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1072677,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1072677,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1072677,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1072677,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.0349,
              2359998.494,
              -21.13034643,
              638000.0549,
              2360998.494,
              -4.030346427
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0348647122,
                    2359998.4935693825,
                    -21.130346426594617
                  ],
                  [
                    637000.0348647122,
                    2360998.4935693825,
                    -21.130346426594617
                  ],
                  [
                    638000.0548647122,
                    2360998.4935693825,
                    -4.030346426594615
                  ],
                  [
                    638000.0548647122,
                    2359998.4935693825,
                    -4.030346426594615
                  ],
                  [
                    637000.0348647122,
                    2359998.4935693825,
                    -21.130346426594617
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:49:04+00:00",
            "end_time": "2013-09-19T01:48:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj2866.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7652101491356,
              21.391665518786272,
              1.525480114403805
            ],
            [
              -157.76513432958635,
              21.40069881036197,
              1.525480114403805
            ],
            [
              -157.75548868659337,
              21.400627482105733,
              62.86548011440381
            ],
            [
              -157.75556509477823,
              21.39159422383212,
              62.86548011440381
            ],
            [
              -157.7652101491356,
              21.391665518786272,
              1.525480114403805
            ]
          ]
        ]
      },
      "bbox": [
        -157.7652101,
        21.39159422,
        1.525480114,
        -157.7554887,
        21.40069881,
        62.86548011
      ],
      "properties": {
        "datetime": "2013-09-21T00:33:36Z",
        "pc:count": 6651812,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 628451.7207,
            "count": 6651812,
            "maximum": 628999.8338,
            "minimum": 627999.8338,
            "name": "X",
            "position": 0,
            "stddev": 302.8817435,
            "variance": 91737.35057
          },
          {
            "average": 2366489.579,
            "count": 6651812,
            "maximum": 2366998.473,
            "minimum": 2365998.453,
            "name": "Y",
            "position": 1,
            "stddev": 290.9976848,
            "variance": 84679.65254
          },
          {
            "average": 7.234435204,
            "count": 6651812,
            "maximum": 62.86548011,
            "minimum": 1.525480114,
            "name": "Z",
            "position": 2,
            "stddev": 9.090749966,
            "variance": 82.64173494
          },
          {
            "average": 14.75973945,
            "count": 6651812,
            "maximum": 947,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.0944041,
            "variance": 327.4074596
          },
          {
            "average": 1.400252442,
            "count": 6651812,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8058916625,
            "variance": 0.6494613717
          },
          {
            "average": 1.800332451,
            "count": 6651812,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.221161023,
            "variance": 1.491234244
          },
          {
            "average": 1,
            "count": 6651812,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6651812,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.18349346,
            "count": 6651812,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3870705785,
            "variance": 0.1498236327
          },
          {
            "average": 20.09602646,
            "count": 6651812,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.837017321,
            "variance": 3.374632636
          },
          {
            "average": 91.89416403,
            "count": 6651812,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.04619542,
            "variance": 4231.007539
          },
          {
            "average": 6.505187459,
            "count": 6651812,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.520645804,
            "variance": 12.39494688
          },
          {
            "average": 63749091.35,
            "count": 6651812,
            "maximum": 63758816.28,
            "minimum": 63743050.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6209.990252,
            "variance": 38563978.93
          },
          {
            "average": 0,
            "count": 6651812,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6651812,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6651812,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6651812,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6651812,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          627999.8338,
          2365998.453,
          1.525480114,
          628999.8338,
          2366998.473,
          62.86548011
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                627999.8337589656,
                2365998.453368798,
                1.525480114403805
              ],
              [
                627999.8337589656,
                2366998.4733687975,
                1.525480114403805
              ],
              [
                628999.8337589656,
                2366998.4733687975,
                62.86548011440381
              ],
              [
                628999.8337589656,
                2365998.453368798,
                62.86548011440381
              ],
              [
                627999.8337589656,
                2365998.453368798,
                1.525480114403805
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:33:36+00:00",
        "end_time": "2013-09-20T20:10:50+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj2866.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj2866.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj2866.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2866.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7652101,
            21.39159422,
            1.525480114,
            -157.7554887,
            21.40069881,
            62.86548011
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7652101491356,
                  21.391665518786272,
                  1.525480114403805
                ],
                [
                  -157.76513432958635,
                  21.40069881036197,
                  1.525480114403805
                ],
                [
                  -157.75548868659337,
                  21.400627482105733,
                  62.86548011440381
                ],
                [
                  -157.75556509477823,
                  21.39159422383212,
                  62.86548011440381
                ],
                [
                  -157.7652101491356,
                  21.391665518786272,
                  1.525480114403805
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj2866.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj2866.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:33:36Z",
            "pc:count": 6651812,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 628451.7207,
                "count": 6651812,
                "maximum": 628999.8338,
                "minimum": 627999.8338,
                "name": "X",
                "position": 0,
                "stddev": 302.8817435,
                "variance": 91737.35057
              },
              {
                "average": 2366489.579,
                "count": 6651812,
                "maximum": 2366998.473,
                "minimum": 2365998.453,
                "name": "Y",
                "position": 1,
                "stddev": 290.9976848,
                "variance": 84679.65254
              },
              {
                "average": 7.234435204,
                "count": 6651812,
                "maximum": 62.86548011,
                "minimum": 1.525480114,
                "name": "Z",
                "position": 2,
                "stddev": 9.090749966,
                "variance": 82.64173494
              },
              {
                "average": 14.75973945,
                "count": 6651812,
                "maximum": 947,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.0944041,
                "variance": 327.4074596
              },
              {
                "average": 1.400252442,
                "count": 6651812,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8058916625,
                "variance": 0.6494613717
              },
              {
                "average": 1.800332451,
                "count": 6651812,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.221161023,
                "variance": 1.491234244
              },
              {
                "average": 1,
                "count": 6651812,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6651812,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.18349346,
                "count": 6651812,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3870705785,
                "variance": 0.1498236327
              },
              {
                "average": 20.09602646,
                "count": 6651812,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.837017321,
                "variance": 3.374632636
              },
              {
                "average": 91.89416403,
                "count": 6651812,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.04619542,
                "variance": 4231.007539
              },
              {
                "average": 6.505187459,
                "count": 6651812,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.520645804,
                "variance": 12.39494688
              },
              {
                "average": 63749091.35,
                "count": 6651812,
                "maximum": 63758816.28,
                "minimum": 63743050.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6209.990252,
                "variance": 38563978.93
              },
              {
                "average": 0,
                "count": 6651812,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6651812,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6651812,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6651812,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6651812,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              627999.8338,
              2365998.453,
              1.525480114,
              628999.8338,
              2366998.473,
              62.86548011
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    627999.8337589656,
                    2365998.453368798,
                    1.525480114403805
                  ],
                  [
                    627999.8337589656,
                    2366998.4733687975,
                    1.525480114403805
                  ],
                  [
                    628999.8337589656,
                    2366998.4733687975,
                    62.86548011440381
                  ],
                  [
                    628999.8337589656,
                    2365998.453368798,
                    62.86548011440381
                  ],
                  [
                    627999.8337589656,
                    2365998.453368798,
                    1.525480114403805
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:33:36+00:00",
            "end_time": "2013-09-20T20:10:50+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3761.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.67880867295946,
              21.34584007882409,
              -29.61378805819716
            ],
            [
              -157.6787277192828,
              21.354872939033708,
              -29.61378805819716
            ],
            [
              -157.66908517678627,
              21.354796793989546,
              -8.513788058197157
            ],
            [
              -157.66916672387578,
              21.34576396889002,
              -8.513788058197157
            ],
            [
              -157.67880867295946,
              21.34584007882409,
              -29.61378805819716
            ]
          ]
        ]
      },
      "bbox": [
        -157.6788087,
        21.34576397,
        -29.61378806,
        -157.6690852,
        21.35487294,
        -8.513788058
      ],
      "properties": {
        "datetime": "2013-09-20T02:27:32Z",
        "pc:count": 500777,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637614.405,
            "count": 500777,
            "maximum": 638000.0576,
            "minimum": 637000.0376,
            "name": "X",
            "position": 0,
            "stddev": 273.8137468,
            "variance": 74973.96796
          },
          {
            "average": 2361389.314,
            "count": 500777,
            "maximum": 2361998.493,
            "minimum": 2360998.493,
            "name": "Y",
            "position": 1,
            "stddev": 275.1290775,
            "variance": 75696.00929
          },
          {
            "average": -18.83836235,
            "count": 500777,
            "maximum": -8.513788058,
            "minimum": -29.61378806,
            "name": "Z",
            "position": 2,
            "stddev": 4.300687174,
            "variance": 18.49591017
          },
          {
            "average": 139.2287266,
            "count": 500777,
            "maximum": 5333,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 149.3963169,
            "variance": 22319.25949
          },
          {
            "average": 1.045774866,
            "count": 500777,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2113057229,
            "variance": 0.04465010853
          },
          {
            "average": 1.045864726,
            "count": 500777,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2115082223,
            "variance": 0.04473572809
          },
          {
            "average": 1,
            "count": 500777,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 500777,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 500777,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.55545718,
            "count": 500777,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.286547428,
            "variance": 86.23996313
          },
          {
            "average": 249.0164205,
            "count": 500777,
            "maximum": 254,
            "minimum": 32,
            "name": "UserData",
            "position": 10,
            "stddev": 6.681262142,
            "variance": 44.63926381
          },
          {
            "average": 6.920757143,
            "count": 500777,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.684034303,
            "variance": 7.204040141
          },
          {
            "average": 63660837.94,
            "count": 500777,
            "maximum": 63679252.68,
            "minimum": 63655940.26,
            "name": "GpsTime",
            "position": 12,
            "stddev": 7469.567621,
            "variance": 55794440.44
          },
          {
            "average": 0,
            "count": 500777,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 500777,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 500777,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 500777,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 500777,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.0376,
          2360998.493,
          -29.61378806,
          638000.0576,
          2361998.493,
          -8.513788058
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0376060312,
                2360998.4929959592,
                -29.61378805819716
              ],
              [
                637000.0376060312,
                2361998.4929959592,
                -29.61378805819716
              ],
              [
                638000.0576060312,
                2361998.4929959592,
                -8.513788058197157
              ],
              [
                638000.0576060312,
                2360998.4929959592,
                -8.513788058197157
              ],
              [
                637000.0376060312,
                2360998.4929959592,
                -29.61378805819716
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:27:32+00:00",
        "end_time": "2013-09-19T19:59:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3761.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3761.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3761.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3761.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6788087,
            21.34576397,
            -29.61378806,
            -157.6690852,
            21.35487294,
            -8.513788058
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.67880867295946,
                  21.34584007882409,
                  -29.61378805819716
                ],
                [
                  -157.6787277192828,
                  21.354872939033708,
                  -29.61378805819716
                ],
                [
                  -157.66908517678627,
                  21.354796793989546,
                  -8.513788058197157
                ],
                [
                  -157.66916672387578,
                  21.34576396889002,
                  -8.513788058197157
                ],
                [
                  -157.67880867295946,
                  21.34584007882409,
                  -29.61378805819716
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3761.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3761.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:27:32Z",
            "pc:count": 500777,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637614.405,
                "count": 500777,
                "maximum": 638000.0576,
                "minimum": 637000.0376,
                "name": "X",
                "position": 0,
                "stddev": 273.8137468,
                "variance": 74973.96796
              },
              {
                "average": 2361389.314,
                "count": 500777,
                "maximum": 2361998.493,
                "minimum": 2360998.493,
                "name": "Y",
                "position": 1,
                "stddev": 275.1290775,
                "variance": 75696.00929
              },
              {
                "average": -18.83836235,
                "count": 500777,
                "maximum": -8.513788058,
                "minimum": -29.61378806,
                "name": "Z",
                "position": 2,
                "stddev": 4.300687174,
                "variance": 18.49591017
              },
              {
                "average": 139.2287266,
                "count": 500777,
                "maximum": 5333,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 149.3963169,
                "variance": 22319.25949
              },
              {
                "average": 1.045774866,
                "count": 500777,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2113057229,
                "variance": 0.04465010853
              },
              {
                "average": 1.045864726,
                "count": 500777,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2115082223,
                "variance": 0.04473572809
              },
              {
                "average": 1,
                "count": 500777,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 500777,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 500777,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.55545718,
                "count": 500777,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.286547428,
                "variance": 86.23996313
              },
              {
                "average": 249.0164205,
                "count": 500777,
                "maximum": 254,
                "minimum": 32,
                "name": "UserData",
                "position": 10,
                "stddev": 6.681262142,
                "variance": 44.63926381
              },
              {
                "average": 6.920757143,
                "count": 500777,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.684034303,
                "variance": 7.204040141
              },
              {
                "average": 63660837.94,
                "count": 500777,
                "maximum": 63679252.68,
                "minimum": 63655940.26,
                "name": "GpsTime",
                "position": 12,
                "stddev": 7469.567621,
                "variance": 55794440.44
              },
              {
                "average": 0,
                "count": 500777,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 500777,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 500777,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 500777,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 500777,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.0376,
              2360998.493,
              -29.61378806,
              638000.0576,
              2361998.493,
              -8.513788058
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0376060312,
                    2360998.4929959592,
                    -29.61378805819716
                  ],
                  [
                    637000.0376060312,
                    2361998.4929959592,
                    -29.61378805819716
                  ],
                  [
                    638000.0576060312,
                    2361998.4929959592,
                    -8.513788058197157
                  ],
                  [
                    638000.0576060312,
                    2360998.4929959592,
                    -8.513788058197157
                  ],
                  [
                    637000.0376060312,
                    2360998.4929959592,
                    -29.61378805819716
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:27:32+00:00",
            "end_time": "2013-09-19T19:59:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3762.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.67872772365538,
              21.354873087608773,
              -42.917556085361795
            ],
            [
              -157.6786467367843,
              21.363905756656592,
              -42.917556085361795
            ],
            [
              -157.66900359933368,
              21.363829576581853,
              -14.237556085361796
            ],
            [
              -157.66908518114911,
              21.354796942564363,
              -14.237556085361796
            ],
            [
              -157.67872772365538,
              21.354873087608773,
              -42.917556085361795
            ]
          ]
        ]
      },
      "bbox": [
        -157.6787277,
        21.35479694,
        -42.91755609,
        -157.6690036,
        21.36390576,
        -14.23755609
      ],
      "properties": {
        "datetime": "2013-09-19T20:29:43Z",
        "pc:count": 536987,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637603.4429,
            "count": 536987,
            "maximum": 638000.057,
            "minimum": 637000.037,
            "name": "X",
            "position": 0,
            "stddev": 263.0028759,
            "variance": 69170.51275
          },
          {
            "average": 2362600.518,
            "count": 536987,
            "maximum": 2362998.489,
            "minimum": 2361998.509,
            "name": "Y",
            "position": 1,
            "stddev": 271.4092106,
            "variance": 73662.9596
          },
          {
            "average": -25.19870226,
            "count": 536987,
            "maximum": -14.23755609,
            "minimum": -42.91755609,
            "name": "Z",
            "position": 2,
            "stddev": 4.795406927,
            "variance": 22.9959276
          },
          {
            "average": 150.2928767,
            "count": 536987,
            "maximum": 3754,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 172.9649801,
            "variance": 29916.88434
          },
          {
            "average": 1.170873783,
            "count": 536987,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3798464707,
            "variance": 0.1442833413
          },
          {
            "average": 1.170886818,
            "count": 536987,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3798626678,
            "variance": 0.1442956464
          },
          {
            "average": 1,
            "count": 536987,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 536987,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 536987,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.48170041,
            "count": 536987,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.558868132,
            "variance": 91.37195997
          },
          {
            "average": 249.0511595,
            "count": 536987,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 6.918125949,
            "variance": 47.86046665
          },
          {
            "average": 5.64917214,
            "count": 536987,
            "maximum": 8,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.502088631,
            "variance": 2.256270256
          },
          {
            "average": 63633626.04,
            "count": 536987,
            "maximum": 63657783.58,
            "minimum": 63593750.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 29204.48634,
            "variance": 852902022.4
          },
          {
            "average": 0,
            "count": 536987,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 536987,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 536987,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 536987,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 536987,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.037,
          2361998.509,
          -42.91755609,
          638000.057,
          2362998.489,
          -14.23755609
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0370144708,
                2361998.509439286,
                -42.917556085361795
              ],
              [
                637000.0370144708,
                2362998.4894392863,
                -42.917556085361795
              ],
              [
                638000.0570144708,
                2362998.4894392863,
                -14.237556085361796
              ],
              [
                638000.0570144708,
                2361998.509439286,
                -14.237556085361796
              ],
              [
                637000.0370144708,
                2361998.509439286,
                -42.917556085361795
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:29:43+00:00",
        "end_time": "2013-09-19T02:42:30+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3762.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3762.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3762.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3762.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6787277,
            21.35479694,
            -42.91755609,
            -157.6690036,
            21.36390576,
            -14.23755609
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.67872772365538,
                  21.354873087608773,
                  -42.917556085361795
                ],
                [
                  -157.6786467367843,
                  21.363905756656592,
                  -42.917556085361795
                ],
                [
                  -157.66900359933368,
                  21.363829576581853,
                  -14.237556085361796
                ],
                [
                  -157.66908518114911,
                  21.354796942564363,
                  -14.237556085361796
                ],
                [
                  -157.67872772365538,
                  21.354873087608773,
                  -42.917556085361795
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3762.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3762.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:29:43Z",
            "pc:count": 536987,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637603.4429,
                "count": 536987,
                "maximum": 638000.057,
                "minimum": 637000.037,
                "name": "X",
                "position": 0,
                "stddev": 263.0028759,
                "variance": 69170.51275
              },
              {
                "average": 2362600.518,
                "count": 536987,
                "maximum": 2362998.489,
                "minimum": 2361998.509,
                "name": "Y",
                "position": 1,
                "stddev": 271.4092106,
                "variance": 73662.9596
              },
              {
                "average": -25.19870226,
                "count": 536987,
                "maximum": -14.23755609,
                "minimum": -42.91755609,
                "name": "Z",
                "position": 2,
                "stddev": 4.795406927,
                "variance": 22.9959276
              },
              {
                "average": 150.2928767,
                "count": 536987,
                "maximum": 3754,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 172.9649801,
                "variance": 29916.88434
              },
              {
                "average": 1.170873783,
                "count": 536987,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3798464707,
                "variance": 0.1442833413
              },
              {
                "average": 1.170886818,
                "count": 536987,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3798626678,
                "variance": 0.1442956464
              },
              {
                "average": 1,
                "count": 536987,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 536987,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 536987,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.48170041,
                "count": 536987,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.558868132,
                "variance": 91.37195997
              },
              {
                "average": 249.0511595,
                "count": 536987,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 6.918125949,
                "variance": 47.86046665
              },
              {
                "average": 5.64917214,
                "count": 536987,
                "maximum": 8,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.502088631,
                "variance": 2.256270256
              },
              {
                "average": 63633626.04,
                "count": 536987,
                "maximum": 63657783.58,
                "minimum": 63593750.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 29204.48634,
                "variance": 852902022.4
              },
              {
                "average": 0,
                "count": 536987,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 536987,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 536987,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 536987,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 536987,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.037,
              2361998.509,
              -42.91755609,
              638000.057,
              2362998.489,
              -14.23755609
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0370144708,
                    2361998.509439286,
                    -42.917556085361795
                  ],
                  [
                    637000.0370144708,
                    2362998.4894392863,
                    -42.917556085361795
                  ],
                  [
                    638000.0570144708,
                    2362998.4894392863,
                    -14.237556085361796
                  ],
                  [
                    638000.0570144708,
                    2361998.509439286,
                    -14.237556085361796
                  ],
                  [
                    637000.0370144708,
                    2361998.509439286,
                    -42.917556085361795
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:29:43+00:00",
            "end_time": "2013-09-19T02:42:30+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3251.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72779763885802,
              21.255880962873306,
              -30.02909198640609
            ],
            [
              -157.7277200326024,
              21.264914278094995,
              -30.02909198640609
            ],
            [
              -157.71808297484154,
              21.264841238501,
              -9.489091986406091
            ],
            [
              -157.71816116845977,
              21.25580795733365,
              -9.489091986406091
            ],
            [
              -157.72779763885802,
              21.255880962873306,
              -30.02909198640609
            ]
          ]
        ]
      },
      "bbox": [
        -157.7277976,
        21.25580796,
        -30.02909199,
        -157.718083,
        21.26491428,
        -9.489091986
      ],
      "properties": {
        "datetime": "2013-09-22T18:11:11Z",
        "pc:count": 3288474,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632556.2245,
            "count": 3288474,
            "maximum": 632999.914,
            "minimum": 631999.874,
            "name": "X",
            "position": 0,
            "stddev": 276.1001583,
            "variance": 76231.29744
          },
          {
            "average": 2351638.055,
            "count": 3288474,
            "maximum": 2351998.46,
            "minimum": 2350998.44,
            "name": "Y",
            "position": 1,
            "stddev": 290.6634692,
            "variance": 84485.25234
          },
          {
            "average": -16.99399747,
            "count": 3288474,
            "maximum": -9.489091986,
            "minimum": -30.02909199,
            "name": "Z",
            "position": 2,
            "stddev": 4.520321725,
            "variance": 20.43330849
          },
          {
            "average": 364.2485366,
            "count": 3288474,
            "maximum": 2831,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 469.1482689,
            "variance": 220100.0982
          },
          {
            "average": 1.000264864,
            "count": 3288474,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01627250505,
            "variance": 0.0002647944207
          },
          {
            "average": 1.000550103,
            "count": 3288474,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02344783001,
            "variance": 0.0005498007322
          },
          {
            "average": 1,
            "count": 3288474,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3288474,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3288474,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.01378228,
            "count": 3288474,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.056136799,
            "variance": 36.67679293
          },
          {
            "average": 148.3518234,
            "count": 3288474,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 91.51408014,
            "variance": 8374.826865
          },
          {
            "average": 15.26020549,
            "count": 3288474,
            "maximum": 20,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.567234212,
            "variance": 20.85962835
          },
          {
            "average": 63374588.95,
            "count": 3288474,
            "maximum": 63908671.82,
            "minimum": 62897986.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 188575.0455,
            "variance": 35560547790.0
          },
          {
            "average": 0,
            "count": 3288474,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3288474,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3288474,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3288474,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3288474,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.874,
          2350998.44,
          -30.02909199,
          632999.914,
          2351998.46,
          -9.489091986
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.8739843826,
                2350998.4398287255,
                -30.02909198640609
              ],
              [
                631999.8739843826,
                2351998.459828725,
                -30.02909198640609
              ],
              [
                632999.9139843826,
                2351998.459828725,
                -9.489091986406091
              ],
              [
                632999.9139843826,
                2350998.4398287255,
                -9.489091986406091
              ],
              [
                631999.8739843826,
                2350998.4398287255,
                -30.02909198640609
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:11:11+00:00",
        "end_time": "2013-09-11T01:26:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3251.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3251.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3251.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3251.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7277976,
            21.25580796,
            -30.02909199,
            -157.718083,
            21.26491428,
            -9.489091986
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72779763885802,
                  21.255880962873306,
                  -30.02909198640609
                ],
                [
                  -157.7277200326024,
                  21.264914278094995,
                  -30.02909198640609
                ],
                [
                  -157.71808297484154,
                  21.264841238501,
                  -9.489091986406091
                ],
                [
                  -157.71816116845977,
                  21.25580795733365,
                  -9.489091986406091
                ],
                [
                  -157.72779763885802,
                  21.255880962873306,
                  -30.02909198640609
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3251.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3251.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:11:11Z",
            "pc:count": 3288474,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632556.2245,
                "count": 3288474,
                "maximum": 632999.914,
                "minimum": 631999.874,
                "name": "X",
                "position": 0,
                "stddev": 276.1001583,
                "variance": 76231.29744
              },
              {
                "average": 2351638.055,
                "count": 3288474,
                "maximum": 2351998.46,
                "minimum": 2350998.44,
                "name": "Y",
                "position": 1,
                "stddev": 290.6634692,
                "variance": 84485.25234
              },
              {
                "average": -16.99399747,
                "count": 3288474,
                "maximum": -9.489091986,
                "minimum": -30.02909199,
                "name": "Z",
                "position": 2,
                "stddev": 4.520321725,
                "variance": 20.43330849
              },
              {
                "average": 364.2485366,
                "count": 3288474,
                "maximum": 2831,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 469.1482689,
                "variance": 220100.0982
              },
              {
                "average": 1.000264864,
                "count": 3288474,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01627250505,
                "variance": 0.0002647944207
              },
              {
                "average": 1.000550103,
                "count": 3288474,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02344783001,
                "variance": 0.0005498007322
              },
              {
                "average": 1,
                "count": 3288474,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3288474,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3288474,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.01378228,
                "count": 3288474,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.056136799,
                "variance": 36.67679293
              },
              {
                "average": 148.3518234,
                "count": 3288474,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 91.51408014,
                "variance": 8374.826865
              },
              {
                "average": 15.26020549,
                "count": 3288474,
                "maximum": 20,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.567234212,
                "variance": 20.85962835
              },
              {
                "average": 63374588.95,
                "count": 3288474,
                "maximum": 63908671.82,
                "minimum": 62897986.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 188575.0455,
                "variance": 35560547790.0
              },
              {
                "average": 0,
                "count": 3288474,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3288474,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3288474,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3288474,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3288474,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.874,
              2350998.44,
              -30.02909199,
              632999.914,
              2351998.46,
              -9.489091986
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.8739843826,
                    2350998.4398287255,
                    -30.02909198640609
                  ],
                  [
                    631999.8739843826,
                    2351998.459828725,
                    -30.02909198640609
                  ],
                  [
                    632999.9139843826,
                    2351998.459828725,
                    -9.489091986406091
                  ],
                  [
                    632999.9139843826,
                    2350998.4398287255,
                    -9.489091986406091
                  ],
                  [
                    631999.8739843826,
                    2350998.4398287255,
                    -30.02909198640609
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:11:11+00:00",
            "end_time": "2013-09-11T01:26:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3763.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6786467935747,
              21.36390579028976,
              -45.453826148349286
            ],
            [
              -157.6785657702377,
              21.372938629488452,
              -45.453826148349286
            ],
            [
              -157.66892242202667,
              21.372862417524367,
              -16.57382614834929
            ],
            [
              -157.6690040418387,
              21.363829613276373,
              -16.57382614834929
            ],
            [
              -157.6786467935747,
              21.36390579028976,
              -45.453826148349286
            ]
          ]
        ]
      },
      "bbox": [
        -157.6786468,
        21.36382961,
        -45.45382615,
        -157.6689224,
        21.37293863,
        -16.57382615
      ],
      "properties": {
        "datetime": "2013-09-19T19:58:44Z",
        "pc:count": 497563,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637376.5595,
            "count": 497563,
            "maximum": 638000.0111,
            "minimum": 637000.0311,
            "name": "X",
            "position": 0,
            "stddev": 238.3515869,
            "variance": 56811.47896
          },
          {
            "average": 2363415.902,
            "count": 497563,
            "maximum": 2363998.493,
            "minimum": 2362998.493,
            "name": "Y",
            "position": 1,
            "stddev": 278.0124776,
            "variance": 77290.93767
          },
          {
            "average": -24.95927002,
            "count": 497563,
            "maximum": -16.57382615,
            "minimum": -45.45382615,
            "name": "Z",
            "position": 2,
            "stddev": 5.03456209,
            "variance": 25.34681544
          },
          {
            "average": 170.5213209,
            "count": 497563,
            "maximum": 3137,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 244.0709758,
            "variance": 59570.64125
          },
          {
            "average": 1.26705161,
            "count": 497563,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4511780149,
            "variance": 0.2035616011
          },
          {
            "average": 1.267065678,
            "count": 497563,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4511852784,
            "variance": 0.2035681554
          },
          {
            "average": 1,
            "count": 497563,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 497563,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 497563,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.49626972,
            "count": 497563,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.448453558,
            "variance": 89.27327464
          },
          {
            "average": 248.4617003,
            "count": 497563,
            "maximum": 254,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 13.35297006,
            "variance": 178.3018094
          },
          {
            "average": 6.352974397,
            "count": 497563,
            "maximum": 8,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.14420541,
            "variance": 1.30920602
          },
          {
            "average": 63599108.42,
            "count": 497563,
            "maximum": 63655924.42,
            "minimum": 63593452.41,
            "name": "GpsTime",
            "position": 12,
            "stddev": 16509.51162,
            "variance": 272563974
          },
          {
            "average": 0,
            "count": 497563,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 497563,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 497563,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 497563,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 497563,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.0311,
          2362998.493,
          -45.45382615,
          638000.0111,
          2363998.493,
          -16.57382615
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0310943014,
                2362998.493112971,
                -45.453826148349286
              ],
              [
                637000.0310943014,
                2363998.493112971,
                -45.453826148349286
              ],
              [
                638000.0110943014,
                2363998.493112971,
                -16.57382614834929
              ],
              [
                638000.0110943014,
                2362998.493112971,
                -16.57382614834929
              ],
              [
                637000.0310943014,
                2362998.493112971,
                -45.453826148349286
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:58:44+00:00",
        "end_time": "2013-09-19T02:37:32+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3763.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3763.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3763.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3763.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6786468,
            21.36382961,
            -45.45382615,
            -157.6689224,
            21.37293863,
            -16.57382615
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6786467935747,
                  21.36390579028976,
                  -45.453826148349286
                ],
                [
                  -157.6785657702377,
                  21.372938629488452,
                  -45.453826148349286
                ],
                [
                  -157.66892242202667,
                  21.372862417524367,
                  -16.57382614834929
                ],
                [
                  -157.6690040418387,
                  21.363829613276373,
                  -16.57382614834929
                ],
                [
                  -157.6786467935747,
                  21.36390579028976,
                  -45.453826148349286
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3763.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3763.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:58:44Z",
            "pc:count": 497563,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637376.5595,
                "count": 497563,
                "maximum": 638000.0111,
                "minimum": 637000.0311,
                "name": "X",
                "position": 0,
                "stddev": 238.3515869,
                "variance": 56811.47896
              },
              {
                "average": 2363415.902,
                "count": 497563,
                "maximum": 2363998.493,
                "minimum": 2362998.493,
                "name": "Y",
                "position": 1,
                "stddev": 278.0124776,
                "variance": 77290.93767
              },
              {
                "average": -24.95927002,
                "count": 497563,
                "maximum": -16.57382615,
                "minimum": -45.45382615,
                "name": "Z",
                "position": 2,
                "stddev": 5.03456209,
                "variance": 25.34681544
              },
              {
                "average": 170.5213209,
                "count": 497563,
                "maximum": 3137,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 244.0709758,
                "variance": 59570.64125
              },
              {
                "average": 1.26705161,
                "count": 497563,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4511780149,
                "variance": 0.2035616011
              },
              {
                "average": 1.267065678,
                "count": 497563,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4511852784,
                "variance": 0.2035681554
              },
              {
                "average": 1,
                "count": 497563,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 497563,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 497563,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.49626972,
                "count": 497563,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.448453558,
                "variance": 89.27327464
              },
              {
                "average": 248.4617003,
                "count": 497563,
                "maximum": 254,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 13.35297006,
                "variance": 178.3018094
              },
              {
                "average": 6.352974397,
                "count": 497563,
                "maximum": 8,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.14420541,
                "variance": 1.30920602
              },
              {
                "average": 63599108.42,
                "count": 497563,
                "maximum": 63655924.42,
                "minimum": 63593452.41,
                "name": "GpsTime",
                "position": 12,
                "stddev": 16509.51162,
                "variance": 272563974
              },
              {
                "average": 0,
                "count": 497563,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 497563,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 497563,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 497563,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 497563,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.0311,
              2362998.493,
              -45.45382615,
              638000.0111,
              2363998.493,
              -16.57382615
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0310943014,
                    2362998.493112971,
                    -45.453826148349286
                  ],
                  [
                    637000.0310943014,
                    2363998.493112971,
                    -45.453826148349286
                  ],
                  [
                    638000.0110943014,
                    2363998.493112971,
                    -16.57382614834929
                  ],
                  [
                    638000.0110943014,
                    2362998.493112971,
                    -16.57382614834929
                  ],
                  [
                    637000.0310943014,
                    2362998.493112971,
                    -45.453826148349286
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:58:44+00:00",
            "end_time": "2013-09-19T02:37:32+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3764.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.67856577298608,
              21.372938603017424,
              -33.68079440649219
            ],
            [
              -157.67854843270356,
              21.374871267927777,
              -33.68079440649219
            ],
            [
              -157.67410674748328,
              21.374836230672972,
              -19.58079440649219
            ],
            [
              -157.67412414677153,
              21.37290356919339,
              -19.58079440649219
            ],
            [
              -157.67856577298608,
              21.372938603017424,
              -33.68079440649219
            ]
          ]
        ]
      },
      "bbox": [
        -157.6785658,
        21.37290357,
        -33.68079441,
        -157.6741067,
        21.37487127,
        -19.58079441
      ],
      "properties": {
        "datetime": "2013-09-19T02:42:59Z",
        "pc:count": 38474,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 637149.1234,
            "count": 38474,
            "maximum": 637460.6108,
            "minimum": 637000.0308,
            "name": "X",
            "position": 0,
            "stddev": 100.2099427,
            "variance": 10042.03262
          },
          {
            "average": 2364092.691,
            "count": 38474,
            "maximum": 2364212.45,
            "minimum": 2363998.49,
            "name": "Y",
            "position": 1,
            "stddev": 61.9989738,
            "variance": 3843.872752
          },
          {
            "average": -25.05243318,
            "count": 38474,
            "maximum": -19.58079441,
            "minimum": -33.68079441,
            "name": "Z",
            "position": 2,
            "stddev": 1.632395845,
            "variance": 2.664716195
          },
          {
            "average": 360.47523,
            "count": 38474,
            "maximum": 1709,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 142.6399493,
            "variance": 20346.15515
          },
          {
            "average": 1.000259916,
            "count": 38474,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01612001815,
            "variance": 0.0002598549851
          },
          {
            "average": 1.000259916,
            "count": 38474,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01612001815,
            "variance": 0.0002598549851
          },
          {
            "average": 1,
            "count": 38474,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 38474,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 38474,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.518697681,
            "count": 38474,
            "maximum": 34.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.35566821,
            "variance": 107.2398641
          },
          {
            "average": 249.0350626,
            "count": 38474,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1870235001,
            "variance": 0.03497778959
          },
          {
            "average": 5.369080418,
            "count": 38474,
            "maximum": 6,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.4825620329,
            "variance": 0.2328661156
          },
          {
            "average": 63593579.45,
            "count": 38474,
            "maximum": 63593779.01,
            "minimum": 63593459.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 150.0777653,
            "variance": 22523.33564
          },
          {
            "average": 0,
            "count": 38474,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 38474,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 38474,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 38474,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 38474,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          637000.0308,
          2363998.49,
          -33.68079441,
          637460.6108,
          2364212.45,
          -19.58079441
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                637000.0308339489,
                2363998.490180249,
                -33.68079440649219
              ],
              [
                637000.0308339489,
                2364212.450180249,
                -33.68079440649219
              ],
              [
                637460.610833949,
                2364212.450180249,
                -19.58079440649219
              ],
              [
                637460.610833949,
                2363998.490180249,
                -19.58079440649219
              ],
              [
                637000.0308339489,
                2363998.490180249,
                -33.68079440649219
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T02:42:59+00:00",
        "end_time": "2013-09-19T02:37:39+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3764.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3764.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3764.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3764.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6785658,
            21.37290357,
            -33.68079441,
            -157.6741067,
            21.37487127,
            -19.58079441
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.67856577298608,
                  21.372938603017424,
                  -33.68079440649219
                ],
                [
                  -157.67854843270356,
                  21.374871267927777,
                  -33.68079440649219
                ],
                [
                  -157.67410674748328,
                  21.374836230672972,
                  -19.58079440649219
                ],
                [
                  -157.67412414677153,
                  21.37290356919339,
                  -19.58079440649219
                ],
                [
                  -157.67856577298608,
                  21.372938603017424,
                  -33.68079440649219
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3764.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3764.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T02:42:59Z",
            "pc:count": 38474,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 637149.1234,
                "count": 38474,
                "maximum": 637460.6108,
                "minimum": 637000.0308,
                "name": "X",
                "position": 0,
                "stddev": 100.2099427,
                "variance": 10042.03262
              },
              {
                "average": 2364092.691,
                "count": 38474,
                "maximum": 2364212.45,
                "minimum": 2363998.49,
                "name": "Y",
                "position": 1,
                "stddev": 61.9989738,
                "variance": 3843.872752
              },
              {
                "average": -25.05243318,
                "count": 38474,
                "maximum": -19.58079441,
                "minimum": -33.68079441,
                "name": "Z",
                "position": 2,
                "stddev": 1.632395845,
                "variance": 2.664716195
              },
              {
                "average": 360.47523,
                "count": 38474,
                "maximum": 1709,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 142.6399493,
                "variance": 20346.15515
              },
              {
                "average": 1.000259916,
                "count": 38474,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01612001815,
                "variance": 0.0002598549851
              },
              {
                "average": 1.000259916,
                "count": 38474,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01612001815,
                "variance": 0.0002598549851
              },
              {
                "average": 1,
                "count": 38474,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 38474,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 38474,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.518697681,
                "count": 38474,
                "maximum": 34.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.35566821,
                "variance": 107.2398641
              },
              {
                "average": 249.0350626,
                "count": 38474,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1870235001,
                "variance": 0.03497778959
              },
              {
                "average": 5.369080418,
                "count": 38474,
                "maximum": 6,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.4825620329,
                "variance": 0.2328661156
              },
              {
                "average": 63593579.45,
                "count": 38474,
                "maximum": 63593779.01,
                "minimum": 63593459.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 150.0777653,
                "variance": 22523.33564
              },
              {
                "average": 0,
                "count": 38474,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 38474,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 38474,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 38474,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 38474,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              637000.0308,
              2363998.49,
              -33.68079441,
              637460.6108,
              2364212.45,
              -19.58079441
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    637000.0308339489,
                    2363998.490180249,
                    -33.68079440649219
                  ],
                  [
                    637000.0308339489,
                    2364212.450180249,
                    -33.68079440649219
                  ],
                  [
                    637460.610833949,
                    2364212.450180249,
                    -19.58079440649219
                  ],
                  [
                    637460.610833949,
                    2363998.490180249,
                    -19.58079440649219
                  ],
                  [
                    637000.0308339489,
                    2363998.490180249,
                    -33.68079440649219
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T02:42:59+00:00",
            "end_time": "2013-09-19T02:37:39+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3852.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.66985057988202,
              21.269843210896422,
              -44.14582909306309
            ],
            [
              -157.66981770546892,
              21.27350099884605,
              -44.14582909306309
            ],
            [
              -157.66248027708482,
              21.273442897128533,
              -35.16582909306309
            ],
            [
              -157.66251333264853,
              21.269785120122986,
              -35.16582909306309
            ],
            [
              -157.66985057988202,
              21.269843210896422,
              -44.14582909306309
            ]
          ]
        ]
      },
      "bbox": [
        -157.6698506,
        21.26978512,
        -44.14582909,
        -157.6624803,
        21.273501,
        -35.16582909
      ],
      "properties": {
        "datetime": "2013-09-22T18:12:40Z",
        "pc:count": 238758,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638241.9617,
            "count": 238758,
            "maximum": 638761.4354,
            "minimum": 638000.0554,
            "name": "X",
            "position": 0,
            "stddev": 182.1103562,
            "variance": 33164.18185
          },
          {
            "average": 2352836.847,
            "count": 238758,
            "maximum": 2352998.493,
            "minimum": 2352593.553,
            "name": "Y",
            "position": 1,
            "stddev": 106.7610102,
            "variance": 11397.9133
          },
          {
            "average": -39.13772444,
            "count": 238758,
            "maximum": -35.16582909,
            "minimum": -44.14582909,
            "name": "Z",
            "position": 2,
            "stddev": 1.753871336,
            "variance": 3.076064664
          },
          {
            "average": 3266.016242,
            "count": 238758,
            "maximum": 7997,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 896.3914549,
            "variance": 803517.6405
          },
          {
            "average": 1.001063839,
            "count": 238758,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03259925454,
            "variance": 0.001062711397
          },
          {
            "average": 1.00108478,
            "count": 238758,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03291820462,
            "variance": 0.001083608195
          },
          {
            "average": 1,
            "count": 238758,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 238758,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 238758,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.77461543,
            "count": 238758,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.755495345,
            "variance": 76.65869874
          },
          {
            "average": 249.0140477,
            "count": 238758,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1179721611,
            "variance": 0.0139174308
          },
          {
            "average": 4.776279748,
            "count": 238758,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.334758007,
            "variance": 28.459643
          },
          {
            "average": 63645705.34,
            "count": 238758,
            "maximum": 63908760.27,
            "minimum": 62898458.54,
            "name": "GpsTime",
            "position": 12,
            "stddev": 378646.5535,
            "variance": 143373212500.0
          },
          {
            "average": 0,
            "count": 238758,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 238758,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 238758,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 238758,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 238758,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.0554,
          2352593.553,
          -44.14582909,
          638761.4354,
          2352998.493,
          -35.16582909
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.0554033944,
                2352593.552988972,
                -44.14582909306309
              ],
              [
                638000.0554033944,
                2352998.4929889725,
                -44.14582909306309
              ],
              [
                638761.4354033943,
                2352998.4929889725,
                -35.16582909306309
              ],
              [
                638761.4354033943,
                2352593.552988972,
                -35.16582909306309
              ],
              [
                638000.0554033944,
                2352593.552988972,
                -44.14582909306309
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:12:40+00:00",
        "end_time": "2013-09-11T01:34:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3852.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3852.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3852.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3852.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6698506,
            21.26978512,
            -44.14582909,
            -157.6624803,
            21.273501,
            -35.16582909
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.66985057988202,
                  21.269843210896422,
                  -44.14582909306309
                ],
                [
                  -157.66981770546892,
                  21.27350099884605,
                  -44.14582909306309
                ],
                [
                  -157.66248027708482,
                  21.273442897128533,
                  -35.16582909306309
                ],
                [
                  -157.66251333264853,
                  21.269785120122986,
                  -35.16582909306309
                ],
                [
                  -157.66985057988202,
                  21.269843210896422,
                  -44.14582909306309
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3852.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3852.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:12:40Z",
            "pc:count": 238758,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638241.9617,
                "count": 238758,
                "maximum": 638761.4354,
                "minimum": 638000.0554,
                "name": "X",
                "position": 0,
                "stddev": 182.1103562,
                "variance": 33164.18185
              },
              {
                "average": 2352836.847,
                "count": 238758,
                "maximum": 2352998.493,
                "minimum": 2352593.553,
                "name": "Y",
                "position": 1,
                "stddev": 106.7610102,
                "variance": 11397.9133
              },
              {
                "average": -39.13772444,
                "count": 238758,
                "maximum": -35.16582909,
                "minimum": -44.14582909,
                "name": "Z",
                "position": 2,
                "stddev": 1.753871336,
                "variance": 3.076064664
              },
              {
                "average": 3266.016242,
                "count": 238758,
                "maximum": 7997,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 896.3914549,
                "variance": 803517.6405
              },
              {
                "average": 1.001063839,
                "count": 238758,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03259925454,
                "variance": 0.001062711397
              },
              {
                "average": 1.00108478,
                "count": 238758,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03291820462,
                "variance": 0.001083608195
              },
              {
                "average": 1,
                "count": 238758,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 238758,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 238758,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.77461543,
                "count": 238758,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.755495345,
                "variance": 76.65869874
              },
              {
                "average": 249.0140477,
                "count": 238758,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1179721611,
                "variance": 0.0139174308
              },
              {
                "average": 4.776279748,
                "count": 238758,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.334758007,
                "variance": 28.459643
              },
              {
                "average": 63645705.34,
                "count": 238758,
                "maximum": 63908760.27,
                "minimum": 62898458.54,
                "name": "GpsTime",
                "position": 12,
                "stddev": 378646.5535,
                "variance": 143373212500.0
              },
              {
                "average": 0,
                "count": 238758,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 238758,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 238758,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 238758,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 238758,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.0554,
              2352593.553,
              -44.14582909,
              638761.4354,
              2352998.493,
              -35.16582909
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.0554033944,
                    2352593.552988972,
                    -44.14582909306309
                  ],
                  [
                    638000.0554033944,
                    2352998.4929889725,
                    -44.14582909306309
                  ],
                  [
                    638761.4354033943,
                    2352998.4929889725,
                    -35.16582909306309
                  ],
                  [
                    638761.4354033943,
                    2352593.552988972,
                    -35.16582909306309
                  ],
                  [
                    638000.0554033944,
                    2352593.552988972,
                    -44.14582909306309
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:12:40+00:00",
            "end_time": "2013-09-11T01:34:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj2968.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75541220896417,
              21.409660413247924,
              -1.60759108013098
            ],
            [
              -157.75533568476274,
              21.41869365148016,
              -1.60759108013098
            ],
            [
              -157.74568868235414,
              21.418621701611663,
              78.59240891986903
            ],
            [
              -157.74576579871044,
              21.40958849679168,
              78.59240891986903
            ],
            [
              -157.75541220896417,
              21.409660413247924,
              -1.60759108013098
            ]
          ]
        ]
      },
      "bbox": [
        -157.7554122,
        21.4095885,
        -1.60759108,
        -157.7456887,
        21.41869365,
        78.59240892
      ],
      "properties": {
        "datetime": "2013-09-20T19:32:08Z",
        "pc:count": 7161359,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629482.6673,
            "count": 7161359,
            "maximum": 629999.8552,
            "minimum": 628999.8352,
            "name": "X",
            "position": 0,
            "stddev": 300.657437,
            "variance": 90394.89442
          },
          {
            "average": 2368530.498,
            "count": 7161359,
            "maximum": 2368998.478,
            "minimum": 2367998.458,
            "name": "Y",
            "position": 1,
            "stddev": 290.8022148,
            "variance": 84565.92812
          },
          {
            "average": 12.00097579,
            "count": 7161359,
            "maximum": 78.59240892,
            "minimum": -1.60759108,
            "name": "Z",
            "position": 2,
            "stddev": 10.35274776,
            "variance": 107.1793862
          },
          {
            "average": 24.55486354,
            "count": 7161359,
            "maximum": 1018,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 46.23750748,
            "variance": 2137.907098
          },
          {
            "average": 1.535772889,
            "count": 7161359,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8819516399,
            "variance": 0.7778386951
          },
          {
            "average": 2.075278868,
            "count": 7161359,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.282454261,
            "variance": 1.644688932
          },
          {
            "average": 1,
            "count": 7161359,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7161359,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.189875972,
            "count": 7161359,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.7431937231,
            "variance": 0.5523369101
          },
          {
            "average": 20.10497738,
            "count": 7161359,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.989547829,
            "variance": 3.958300563
          },
          {
            "average": 91.17751449,
            "count": 7161359,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.01941346,
            "variance": 4358.562954
          },
          {
            "average": 5.042303423,
            "count": 7161359,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.967716149,
            "variance": 15.74277144
          },
          {
            "average": 63677058.79,
            "count": 7161359,
            "maximum": 63740728.88,
            "minimum": 63657165.41,
            "name": "GpsTime",
            "position": 12,
            "stddev": 25572.48912,
            "variance": 653952199.9
          },
          {
            "average": 0,
            "count": 7161359,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7161359,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7161359,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7161359,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7161359,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8352,
          2367998.458,
          -1.60759108,
          629999.8552,
          2368998.478,
          78.59240892
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8352249106,
                2367998.458274646,
                -1.60759108013098
              ],
              [
                628999.8352249106,
                2368998.4782746457,
                -1.60759108013098
              ],
              [
                629999.8552249107,
                2368998.4782746457,
                78.59240891986903
              ],
              [
                629999.8552249107,
                2367998.458274646,
                78.59240891986903
              ],
              [
                628999.8352249106,
                2367998.458274646,
                -1.60759108013098
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:32:08+00:00",
        "end_time": "2013-09-19T20:19:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj2968.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj2968.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj2968.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2968.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7554122,
            21.4095885,
            -1.60759108,
            -157.7456887,
            21.41869365,
            78.59240892
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75541220896417,
                  21.409660413247924,
                  -1.60759108013098
                ],
                [
                  -157.75533568476274,
                  21.41869365148016,
                  -1.60759108013098
                ],
                [
                  -157.74568868235414,
                  21.418621701611663,
                  78.59240891986903
                ],
                [
                  -157.74576579871044,
                  21.40958849679168,
                  78.59240891986903
                ],
                [
                  -157.75541220896417,
                  21.409660413247924,
                  -1.60759108013098
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj2968.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj2968.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:32:08Z",
            "pc:count": 7161359,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629482.6673,
                "count": 7161359,
                "maximum": 629999.8552,
                "minimum": 628999.8352,
                "name": "X",
                "position": 0,
                "stddev": 300.657437,
                "variance": 90394.89442
              },
              {
                "average": 2368530.498,
                "count": 7161359,
                "maximum": 2368998.478,
                "minimum": 2367998.458,
                "name": "Y",
                "position": 1,
                "stddev": 290.8022148,
                "variance": 84565.92812
              },
              {
                "average": 12.00097579,
                "count": 7161359,
                "maximum": 78.59240892,
                "minimum": -1.60759108,
                "name": "Z",
                "position": 2,
                "stddev": 10.35274776,
                "variance": 107.1793862
              },
              {
                "average": 24.55486354,
                "count": 7161359,
                "maximum": 1018,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 46.23750748,
                "variance": 2137.907098
              },
              {
                "average": 1.535772889,
                "count": 7161359,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8819516399,
                "variance": 0.7778386951
              },
              {
                "average": 2.075278868,
                "count": 7161359,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.282454261,
                "variance": 1.644688932
              },
              {
                "average": 1,
                "count": 7161359,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7161359,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.189875972,
                "count": 7161359,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.7431937231,
                "variance": 0.5523369101
              },
              {
                "average": 20.10497738,
                "count": 7161359,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.989547829,
                "variance": 3.958300563
              },
              {
                "average": 91.17751449,
                "count": 7161359,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.01941346,
                "variance": 4358.562954
              },
              {
                "average": 5.042303423,
                "count": 7161359,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.967716149,
                "variance": 15.74277144
              },
              {
                "average": 63677058.79,
                "count": 7161359,
                "maximum": 63740728.88,
                "minimum": 63657165.41,
                "name": "GpsTime",
                "position": 12,
                "stddev": 25572.48912,
                "variance": 653952199.9
              },
              {
                "average": 0,
                "count": 7161359,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7161359,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7161359,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7161359,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7161359,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8352,
              2367998.458,
              -1.60759108,
              629999.8552,
              2368998.478,
              78.59240892
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8352249106,
                    2367998.458274646,
                    -1.60759108013098
                  ],
                  [
                    628999.8352249106,
                    2368998.4782746457,
                    -1.60759108013098
                  ],
                  [
                    629999.8552249107,
                    2368998.4782746457,
                    78.59240891986903
                  ],
                  [
                    629999.8552249107,
                    2367998.458274646,
                    78.59240891986903
                  ],
                  [
                    628999.8352249106,
                    2367998.458274646,
                    -1.60759108013098
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:32:08+00:00",
            "end_time": "2013-09-19T20:19:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3071.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7455342662145,
              21.43668762763471,
              -2.984982613700101
            ],
            [
              -157.74545700713918,
              21.445720805179246,
              -2.984982613700101
            ],
            [
              -157.73580805605613,
              21.445648199617324,
              52.555017386299895
            ],
            [
              -157.73588590775879,
              21.436615055617313,
              52.555017386299895
            ],
            [
              -157.7455342662145,
              21.43668762763471,
              -2.984982613700101
            ]
          ]
        ]
      },
      "bbox": [
        -157.7455343,
        21.43661506,
        -2.984982614,
        -157.7358081,
        21.44572081,
        52.55501739
      ],
      "properties": {
        "datetime": "2013-09-21T01:33:55Z",
        "pc:count": 5953690,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630483.1341,
            "count": 5953690,
            "maximum": 630999.8903,
            "minimum": 629999.8503,
            "name": "X",
            "position": 0,
            "stddev": 280.3548956,
            "variance": 78598.86748
          },
          {
            "average": 2371481.081,
            "count": 5953690,
            "maximum": 2371998.489,
            "minimum": 2370998.469,
            "name": "Y",
            "position": 1,
            "stddev": 289.2541297,
            "variance": 83667.95153
          },
          {
            "average": 5.554649095,
            "count": 5953690,
            "maximum": 52.55501739,
            "minimum": -2.984982614,
            "name": "Z",
            "position": 2,
            "stddev": 3.510423893,
            "variance": 12.32307591
          },
          {
            "average": 32.89561516,
            "count": 5953690,
            "maximum": 4859,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 44.22451446,
            "variance": 1955.807679
          },
          {
            "average": 1.210258344,
            "count": 5953690,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5848621182,
            "variance": 0.3420636973
          },
          {
            "average": 1.420845896,
            "count": 5953690,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9055481066,
            "variance": 0.8200173734
          },
          {
            "average": 1,
            "count": 5953690,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5953690,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.283723875,
            "count": 5953690,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.122475735,
            "variance": 26.23975765
          },
          {
            "average": 20.14110567,
            "count": 5953690,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.608488107,
            "variance": 6.804210206
          },
          {
            "average": 92.11955947,
            "count": 5953690,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.28860211,
            "variance": 4133.024361
          },
          {
            "average": 3.063062907,
            "count": 5953690,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.737896911,
            "variance": 3.020285673
          },
          {
            "average": 63634511.99,
            "count": 5953690,
            "maximum": 63762435.82,
            "minimum": 63591842.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 41419.49732,
            "variance": 1715574758
          },
          {
            "average": 0,
            "count": 5953690,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5953690,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5953690,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5953690,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5953690,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8503,
          2370998.469,
          -2.984982614,
          630999.8903,
          2371998.489,
          52.55501739
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8502690492,
                2370998.46858137,
                -2.984982613700101
              ],
              [
                629999.8502690492,
                2371998.4885813696,
                -2.984982613700101
              ],
              [
                630999.8902690492,
                2371998.4885813696,
                52.555017386299895
              ],
              [
                630999.8902690492,
                2370998.46858137,
                52.555017386299895
              ],
              [
                629999.8502690492,
                2370998.46858137,
                -2.984982613700101
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:33:55+00:00",
        "end_time": "2013-09-19T02:10:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3071.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3071.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3071.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3071.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7455343,
            21.43661506,
            -2.984982614,
            -157.7358081,
            21.44572081,
            52.55501739
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7455342662145,
                  21.43668762763471,
                  -2.984982613700101
                ],
                [
                  -157.74545700713918,
                  21.445720805179246,
                  -2.984982613700101
                ],
                [
                  -157.73580805605613,
                  21.445648199617324,
                  52.555017386299895
                ],
                [
                  -157.73588590775879,
                  21.436615055617313,
                  52.555017386299895
                ],
                [
                  -157.7455342662145,
                  21.43668762763471,
                  -2.984982613700101
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3071.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3071.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:33:55Z",
            "pc:count": 5953690,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630483.1341,
                "count": 5953690,
                "maximum": 630999.8903,
                "minimum": 629999.8503,
                "name": "X",
                "position": 0,
                "stddev": 280.3548956,
                "variance": 78598.86748
              },
              {
                "average": 2371481.081,
                "count": 5953690,
                "maximum": 2371998.489,
                "minimum": 2370998.469,
                "name": "Y",
                "position": 1,
                "stddev": 289.2541297,
                "variance": 83667.95153
              },
              {
                "average": 5.554649095,
                "count": 5953690,
                "maximum": 52.55501739,
                "minimum": -2.984982614,
                "name": "Z",
                "position": 2,
                "stddev": 3.510423893,
                "variance": 12.32307591
              },
              {
                "average": 32.89561516,
                "count": 5953690,
                "maximum": 4859,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 44.22451446,
                "variance": 1955.807679
              },
              {
                "average": 1.210258344,
                "count": 5953690,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5848621182,
                "variance": 0.3420636973
              },
              {
                "average": 1.420845896,
                "count": 5953690,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9055481066,
                "variance": 0.8200173734
              },
              {
                "average": 1,
                "count": 5953690,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5953690,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.283723875,
                "count": 5953690,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.122475735,
                "variance": 26.23975765
              },
              {
                "average": 20.14110567,
                "count": 5953690,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.608488107,
                "variance": 6.804210206
              },
              {
                "average": 92.11955947,
                "count": 5953690,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.28860211,
                "variance": 4133.024361
              },
              {
                "average": 3.063062907,
                "count": 5953690,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.737896911,
                "variance": 3.020285673
              },
              {
                "average": 63634511.99,
                "count": 5953690,
                "maximum": 63762435.82,
                "minimum": 63591842.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 41419.49732,
                "variance": 1715574758
              },
              {
                "average": 0,
                "count": 5953690,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5953690,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5953690,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5953690,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5953690,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8503,
              2370998.469,
              -2.984982614,
              630999.8903,
              2371998.489,
              52.55501739
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8502690492,
                    2370998.46858137,
                    -2.984982613700101
                  ],
                  [
                    629999.8502690492,
                    2371998.4885813696,
                    -2.984982613700101
                  ],
                  [
                    630999.8902690492,
                    2371998.4885813696,
                    52.555017386299895
                  ],
                  [
                    630999.8902690492,
                    2370998.46858137,
                    52.555017386299895
                  ],
                  [
                    629999.8502690492,
                    2370998.46858137,
                    -2.984982613700101
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:33:55+00:00",
            "end_time": "2013-09-19T02:10:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3853.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6698177087599,
              21.273500937116737,
              -41.85501527192312
            ],
            [
              -157.66973650258913,
              21.282533842749725,
              -41.85501527192312
            ],
            [
              -157.66009871511872,
              21.282457428947517,
              -8.955015271923127
            ],
            [
              -157.66018050888533,
              21.27342455878826,
              -8.955015271923127
            ],
            [
              -157.6698177087599,
              21.273500937116737,
              -41.85501527192312
            ]
          ]
        ]
      },
      "bbox": [
        -157.6698177,
        21.27342456,
        -41.85501527,
        -157.6600987,
        21.28253384,
        -8.955015272
      ],
      "properties": {
        "datetime": "2013-09-22T19:56:22Z",
        "pc:count": 1470850,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638479.9278,
            "count": 1470850,
            "maximum": 639000.0751,
            "minimum": 638000.0551,
            "name": "X",
            "position": 0,
            "stddev": 293.4933359,
            "variance": 86138.33824
          },
          {
            "average": 2353543.258,
            "count": 1470850,
            "maximum": 2353998.486,
            "minimum": 2352998.486,
            "name": "Y",
            "position": 1,
            "stddev": 286.9931962,
            "variance": 82365.09467
          },
          {
            "average": -30.45235355,
            "count": 1470850,
            "maximum": -8.955015272,
            "minimum": -41.85501527,
            "name": "Z",
            "position": 2,
            "stddev": 6.433416525,
            "variance": 41.38884819
          },
          {
            "average": 1820.773263,
            "count": 1470850,
            "maximum": 7210,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1088.245911,
            "variance": 1184279.163
          },
          {
            "average": 1.005974776,
            "count": 1470850,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07802112722,
            "variance": 0.006087296292
          },
          {
            "average": 1.006932046,
            "count": 1470850,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08480956774,
            "variance": 0.00719266278
          },
          {
            "average": 1,
            "count": 1470850,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1470850,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1470850,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.30236641,
            "count": 1470850,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.674401653,
            "variance": 75.24524404
          },
          {
            "average": 240.7461284,
            "count": 1470850,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 37.85211747,
            "variance": 1432.782797
          },
          {
            "average": 16.56112452,
            "count": 1470850,
            "maximum": 20,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.075879243,
            "variance": 9.461033118
          },
          {
            "average": 63404150.38,
            "count": 1470850,
            "maximum": 63914982.98,
            "minimum": 63382968.91,
            "name": "GpsTime",
            "position": 12,
            "stddev": 100984.44,
            "variance": 10197857120.0
          },
          {
            "average": 0,
            "count": 1470850,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1470850,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1470850,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1470850,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1470850,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.0551,
          2352998.486,
          -41.85501527,
          639000.0751,
          2353998.486,
          -8.955015272
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.0551194944,
                2352998.4861527574,
                -41.85501527192312
              ],
              [
                638000.0551194944,
                2353998.4861527574,
                -41.85501527192312
              ],
              [
                639000.0751194945,
                2353998.4861527574,
                -8.955015271923127
              ],
              [
                639000.0751194945,
                2352998.4861527574,
                -8.955015271923127
              ],
              [
                638000.0551194944,
                2352998.4861527574,
                -41.85501527192312
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:56:22+00:00",
        "end_time": "2013-09-16T16:09:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3853.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3853.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3853.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3853.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6698177,
            21.27342456,
            -41.85501527,
            -157.6600987,
            21.28253384,
            -8.955015272
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6698177087599,
                  21.273500937116737,
                  -41.85501527192312
                ],
                [
                  -157.66973650258913,
                  21.282533842749725,
                  -41.85501527192312
                ],
                [
                  -157.66009871511872,
                  21.282457428947517,
                  -8.955015271923127
                ],
                [
                  -157.66018050888533,
                  21.27342455878826,
                  -8.955015271923127
                ],
                [
                  -157.6698177087599,
                  21.273500937116737,
                  -41.85501527192312
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3853.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3853.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:56:22Z",
            "pc:count": 1470850,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638479.9278,
                "count": 1470850,
                "maximum": 639000.0751,
                "minimum": 638000.0551,
                "name": "X",
                "position": 0,
                "stddev": 293.4933359,
                "variance": 86138.33824
              },
              {
                "average": 2353543.258,
                "count": 1470850,
                "maximum": 2353998.486,
                "minimum": 2352998.486,
                "name": "Y",
                "position": 1,
                "stddev": 286.9931962,
                "variance": 82365.09467
              },
              {
                "average": -30.45235355,
                "count": 1470850,
                "maximum": -8.955015272,
                "minimum": -41.85501527,
                "name": "Z",
                "position": 2,
                "stddev": 6.433416525,
                "variance": 41.38884819
              },
              {
                "average": 1820.773263,
                "count": 1470850,
                "maximum": 7210,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1088.245911,
                "variance": 1184279.163
              },
              {
                "average": 1.005974776,
                "count": 1470850,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07802112722,
                "variance": 0.006087296292
              },
              {
                "average": 1.006932046,
                "count": 1470850,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08480956774,
                "variance": 0.00719266278
              },
              {
                "average": 1,
                "count": 1470850,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1470850,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1470850,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.30236641,
                "count": 1470850,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.674401653,
                "variance": 75.24524404
              },
              {
                "average": 240.7461284,
                "count": 1470850,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 37.85211747,
                "variance": 1432.782797
              },
              {
                "average": 16.56112452,
                "count": 1470850,
                "maximum": 20,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.075879243,
                "variance": 9.461033118
              },
              {
                "average": 63404150.38,
                "count": 1470850,
                "maximum": 63914982.98,
                "minimum": 63382968.91,
                "name": "GpsTime",
                "position": 12,
                "stddev": 100984.44,
                "variance": 10197857120.0
              },
              {
                "average": 0,
                "count": 1470850,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1470850,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1470850,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1470850,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1470850,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.0551,
              2352998.486,
              -41.85501527,
              639000.0751,
              2353998.486,
              -8.955015272
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.0551194944,
                    2352998.4861527574,
                    -41.85501527192312
                  ],
                  [
                    638000.0551194944,
                    2353998.4861527574,
                    -41.85501527192312
                  ],
                  [
                    639000.0751194945,
                    2353998.4861527574,
                    -8.955015271923127
                  ],
                  [
                    639000.0751194945,
                    2352998.4861527574,
                    -8.955015271923127
                  ],
                  [
                    638000.0551194944,
                    2352998.4861527574,
                    -41.85501527192312
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:56:22+00:00",
            "end_time": "2013-09-16T16:09:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3352.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7180830599495,
              21.264841135705314,
              -10.063689809022117
            ],
            [
              -157.71800482532998,
              21.27387440664497,
              -10.063689809022117
            ],
            [
              -157.70836722151503,
              21.273800782110513,
              39.656310190977884
            ],
            [
              -157.7084460437524,
              21.264767545458593,
              39.656310190977884
            ],
            [
              -157.7180830599495,
              21.264841135705314,
              -10.063689809022117
            ]
          ]
        ]
      },
      "bbox": [
        -157.7180831,
        21.26476755,
        -10.06368981,
        -157.7083672,
        21.27387441,
        39.65631019
      ],
      "properties": {
        "datetime": "2013-09-22T20:17:41Z",
        "pc:count": 8801202,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633498.6278,
            "count": 8801202,
            "maximum": 633999.9452,
            "minimum": 632999.9052,
            "name": "X",
            "position": 0,
            "stddev": 296.2409634,
            "variance": 87758.70838
          },
          {
            "average": 2352498.893,
            "count": 8801202,
            "maximum": 2352998.468,
            "minimum": 2351998.448,
            "name": "Y",
            "position": 1,
            "stddev": 280.0507014,
            "variance": 78428.39536
          },
          {
            "average": -0.6580348553,
            "count": 8801202,
            "maximum": 39.65631019,
            "minimum": -10.06368981,
            "name": "Z",
            "position": 2,
            "stddev": 6.402788315,
            "variance": 40.9956982
          },
          {
            "average": 9.061442517,
            "count": 8801202,
            "maximum": 7871,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.49104734,
            "variance": 649.7934945
          },
          {
            "average": 1.076645326,
            "count": 8801202,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3572284448,
            "variance": 0.1276121617
          },
          {
            "average": 1.1452897,
            "count": 8801202,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5563267173,
            "variance": 0.3094994164
          },
          {
            "average": 1,
            "count": 8801202,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8801202,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 25.22655905,
            "count": 8801202,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.542786223,
            "variance": 91.06476889
          },
          {
            "average": 19.9078968,
            "count": 8801202,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.516790096,
            "variance": 6.334232389
          },
          {
            "average": 90.25091595,
            "count": 8801202,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.42764508,
            "variance": 4546.487321
          },
          {
            "average": 17.06237989,
            "count": 8801202,
            "maximum": 21,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.294892119,
            "variance": 10.85631408
          },
          {
            "average": 63509932.51,
            "count": 8801202,
            "maximum": 63916261.01,
            "minimum": 63383715.66,
            "name": "GpsTime",
            "position": 12,
            "stddev": 225314.0253,
            "variance": 50766409980.0
          },
          {
            "average": 0,
            "count": 8801202,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8801202,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8801202,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8801202,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8801202,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9052,
          2351998.448,
          -10.06368981,
          633999.9452,
          2352998.468,
          39.65631019
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9052456229,
                2351998.448377906,
                -10.063689809022117
              ],
              [
                632999.9052456229,
                2352998.4683779054,
                -10.063689809022117
              ],
              [
                633999.9452456229,
                2352998.4683779054,
                39.656310190977884
              ],
              [
                633999.9452456229,
                2351998.448377906,
                39.656310190977884
              ],
              [
                632999.9052456229,
                2351998.448377906,
                -10.063689809022117
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:17:41+00:00",
        "end_time": "2013-09-16T16:21:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3352.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3352.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3352.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3352.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7180831,
            21.26476755,
            -10.06368981,
            -157.7083672,
            21.27387441,
            39.65631019
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7180830599495,
                  21.264841135705314,
                  -10.063689809022117
                ],
                [
                  -157.71800482532998,
                  21.27387440664497,
                  -10.063689809022117
                ],
                [
                  -157.70836722151503,
                  21.273800782110513,
                  39.656310190977884
                ],
                [
                  -157.7084460437524,
                  21.264767545458593,
                  39.656310190977884
                ],
                [
                  -157.7180830599495,
                  21.264841135705314,
                  -10.063689809022117
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3352.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3352.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:17:41Z",
            "pc:count": 8801202,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633498.6278,
                "count": 8801202,
                "maximum": 633999.9452,
                "minimum": 632999.9052,
                "name": "X",
                "position": 0,
                "stddev": 296.2409634,
                "variance": 87758.70838
              },
              {
                "average": 2352498.893,
                "count": 8801202,
                "maximum": 2352998.468,
                "minimum": 2351998.448,
                "name": "Y",
                "position": 1,
                "stddev": 280.0507014,
                "variance": 78428.39536
              },
              {
                "average": -0.6580348553,
                "count": 8801202,
                "maximum": 39.65631019,
                "minimum": -10.06368981,
                "name": "Z",
                "position": 2,
                "stddev": 6.402788315,
                "variance": 40.9956982
              },
              {
                "average": 9.061442517,
                "count": 8801202,
                "maximum": 7871,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.49104734,
                "variance": 649.7934945
              },
              {
                "average": 1.076645326,
                "count": 8801202,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3572284448,
                "variance": 0.1276121617
              },
              {
                "average": 1.1452897,
                "count": 8801202,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5563267173,
                "variance": 0.3094994164
              },
              {
                "average": 1,
                "count": 8801202,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8801202,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 25.22655905,
                "count": 8801202,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.542786223,
                "variance": 91.06476889
              },
              {
                "average": 19.9078968,
                "count": 8801202,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.516790096,
                "variance": 6.334232389
              },
              {
                "average": 90.25091595,
                "count": 8801202,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.42764508,
                "variance": 4546.487321
              },
              {
                "average": 17.06237989,
                "count": 8801202,
                "maximum": 21,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.294892119,
                "variance": 10.85631408
              },
              {
                "average": 63509932.51,
                "count": 8801202,
                "maximum": 63916261.01,
                "minimum": 63383715.66,
                "name": "GpsTime",
                "position": 12,
                "stddev": 225314.0253,
                "variance": 50766409980.0
              },
              {
                "average": 0,
                "count": 8801202,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8801202,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8801202,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8801202,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8801202,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9052,
              2351998.448,
              -10.06368981,
              633999.9452,
              2352998.468,
              39.65631019
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9052456229,
                    2351998.448377906,
                    -10.063689809022117
                  ],
                  [
                    632999.9052456229,
                    2352998.4683779054,
                    -10.063689809022117
                  ],
                  [
                    633999.9452456229,
                    2352998.4683779054,
                    39.656310190977884
                  ],
                  [
                    633999.9452456229,
                    2351998.448377906,
                    39.656310190977884
                  ],
                  [
                    632999.9052456229,
                    2351998.448377906,
                    -10.063689809022117
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:17:41+00:00",
            "end_time": "2013-09-16T16:21:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3859.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6693297991656,
              21.327698296810063,
              -26.48232416581987
            ],
            [
              -157.66924832469263,
              21.33673114275604,
              -26.48232416581987
            ],
            [
              -157.65960681351908,
              21.336654514018573,
              9.257675834180136
            ],
            [
              -157.65968887844863,
              21.327621703563274,
              9.257675834180136
            ],
            [
              -157.6693297991656,
              21.327698296810063,
              -26.48232416581987
            ]
          ]
        ]
      },
      "bbox": [
        -157.6693298,
        21.3276217,
        -26.48232417,
        -157.6596068,
        21.33673114,
        9.257675834
      ],
      "properties": {
        "datetime": "2013-09-20T19:48:45Z",
        "pc:count": 2981465,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638429.8908,
            "count": 2981465,
            "maximum": 639000.0883,
            "minimum": 638000.0483,
            "name": "X",
            "position": 0,
            "stddev": 288.0415716,
            "variance": 82967.94698
          },
          {
            "average": 2359275.02,
            "count": 2981465,
            "maximum": 2359998.494,
            "minimum": 2358998.494,
            "name": "Y",
            "position": 1,
            "stddev": 239.3735358,
            "variance": 57299.68965
          },
          {
            "average": -11.41795162,
            "count": 2981465,
            "maximum": 9.257675834,
            "minimum": -26.48232417,
            "name": "Z",
            "position": 2,
            "stddev": 3.880971011,
            "variance": 15.06193599
          },
          {
            "average": 40.29918849,
            "count": 2981465,
            "maximum": 6833,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 75.37321699,
            "variance": 5681.12184
          },
          {
            "average": 1.008967404,
            "count": 2981465,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09584103155,
            "variance": 0.009185503329
          },
          {
            "average": 1.016180971,
            "count": 2981465,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1295912458,
            "variance": 0.01679389099
          },
          {
            "average": 1,
            "count": 2981465,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2981465,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.75563356,
            "count": 2981465,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.58524539,
            "variance": 6.683493727
          },
          {
            "average": 17.22814639,
            "count": 2981465,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.058774661,
            "variance": 49.82629971
          },
          {
            "average": 119.9990988,
            "count": 2981465,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 83.11659903,
            "variance": 6908.369034
          },
          {
            "average": 2.035321897,
            "count": 2981465,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.646748389,
            "variance": 2.711780258
          },
          {
            "average": 63677654.64,
            "count": 2981465,
            "maximum": 63741725.95,
            "minimum": 63590485.54,
            "name": "GpsTime",
            "position": 12,
            "stddev": 65216.68168,
            "variance": 4253215569
          },
          {
            "average": 0,
            "count": 2981465,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2981465,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2981465,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2981465,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2981465,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.0483,
          2358998.494,
          -26.48232417,
          639000.0883,
          2359998.494,
          9.257675834
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.0482577101,
                2358998.493956427,
                -26.48232416581987
              ],
              [
                638000.0482577101,
                2359998.493956427,
                -26.48232416581987
              ],
              [
                639000.0882577101,
                2359998.493956427,
                9.257675834180136
              ],
              [
                639000.0882577101,
                2358998.493956427,
                9.257675834180136
              ],
              [
                638000.0482577101,
                2358998.493956427,
                -26.48232416581987
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:48:45+00:00",
        "end_time": "2013-09-19T01:48:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3859.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3859.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3859.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3859.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6693298,
            21.3276217,
            -26.48232417,
            -157.6596068,
            21.33673114,
            9.257675834
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6693297991656,
                  21.327698296810063,
                  -26.48232416581987
                ],
                [
                  -157.66924832469263,
                  21.33673114275604,
                  -26.48232416581987
                ],
                [
                  -157.65960681351908,
                  21.336654514018573,
                  9.257675834180136
                ],
                [
                  -157.65968887844863,
                  21.327621703563274,
                  9.257675834180136
                ],
                [
                  -157.6693297991656,
                  21.327698296810063,
                  -26.48232416581987
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3859.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3859.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:48:45Z",
            "pc:count": 2981465,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638429.8908,
                "count": 2981465,
                "maximum": 639000.0883,
                "minimum": 638000.0483,
                "name": "X",
                "position": 0,
                "stddev": 288.0415716,
                "variance": 82967.94698
              },
              {
                "average": 2359275.02,
                "count": 2981465,
                "maximum": 2359998.494,
                "minimum": 2358998.494,
                "name": "Y",
                "position": 1,
                "stddev": 239.3735358,
                "variance": 57299.68965
              },
              {
                "average": -11.41795162,
                "count": 2981465,
                "maximum": 9.257675834,
                "minimum": -26.48232417,
                "name": "Z",
                "position": 2,
                "stddev": 3.880971011,
                "variance": 15.06193599
              },
              {
                "average": 40.29918849,
                "count": 2981465,
                "maximum": 6833,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 75.37321699,
                "variance": 5681.12184
              },
              {
                "average": 1.008967404,
                "count": 2981465,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09584103155,
                "variance": 0.009185503329
              },
              {
                "average": 1.016180971,
                "count": 2981465,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1295912458,
                "variance": 0.01679389099
              },
              {
                "average": 1,
                "count": 2981465,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2981465,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.75563356,
                "count": 2981465,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.58524539,
                "variance": 6.683493727
              },
              {
                "average": 17.22814639,
                "count": 2981465,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.058774661,
                "variance": 49.82629971
              },
              {
                "average": 119.9990988,
                "count": 2981465,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 83.11659903,
                "variance": 6908.369034
              },
              {
                "average": 2.035321897,
                "count": 2981465,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.646748389,
                "variance": 2.711780258
              },
              {
                "average": 63677654.64,
                "count": 2981465,
                "maximum": 63741725.95,
                "minimum": 63590485.54,
                "name": "GpsTime",
                "position": 12,
                "stddev": 65216.68168,
                "variance": 4253215569
              },
              {
                "average": 0,
                "count": 2981465,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2981465,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2981465,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2981465,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2981465,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.0483,
              2358998.494,
              -26.48232417,
              639000.0883,
              2359998.494,
              9.257675834
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.0482577101,
                    2358998.493956427,
                    -26.48232416581987
                  ],
                  [
                    638000.0482577101,
                    2359998.493956427,
                    -26.48232416581987
                  ],
                  [
                    639000.0882577101,
                    2359998.493956427,
                    9.257675834180136
                  ],
                  [
                    639000.0882577101,
                    2358998.493956427,
                    9.257675834180136
                  ],
                  [
                    638000.0482577101,
                    2358998.493956427,
                    -26.48232416581987
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:48:45+00:00",
            "end_time": "2013-09-19T01:48:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3559.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6982524223468,
              21.327924531928215,
              -6.905779009785764
            ],
            [
              -157.6981727189757,
              21.336957663378136,
              -6.905779009785764
            ],
            [
              -157.68853107673345,
              21.33688269330554,
              39.834220990214234
            ],
            [
              -157.68861137148056,
              21.32784959650073,
              39.834220990214234
            ],
            [
              -157.6982524223468,
              21.327924531928215,
              -6.905779009785764
            ]
          ]
        ]
      },
      "bbox": [
        -157.6982524,
        21.3278496,
        -6.90577901,
        -157.6885311,
        21.33695766,
        39.83422099
      ],
      "properties": {
        "datetime": "2013-09-21T00:39:31Z",
        "pc:count": 10639318,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635467.8747,
            "count": 10639318,
            "maximum": 636000.0094,
            "minimum": 634999.9694,
            "name": "X",
            "position": 0,
            "stddev": 284.6833857,
            "variance": 81044.6301
          },
          {
            "average": 2359513.747,
            "count": 10639318,
            "maximum": 2359998.489,
            "minimum": 2358998.469,
            "name": "Y",
            "position": 1,
            "stddev": 282.6723892,
            "variance": 79903.6796
          },
          {
            "average": 4.144475032,
            "count": 10639318,
            "maximum": 39.83422099,
            "minimum": -6.90577901,
            "name": "Z",
            "position": 2,
            "stddev": 7.666245364,
            "variance": 58.77131798
          },
          {
            "average": 24.45794768,
            "count": 10639318,
            "maximum": 8751,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 47.25843502,
            "variance": 2233.359681
          },
          {
            "average": 1.310848496,
            "count": 10639318,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7452468566,
            "variance": 0.5553928772
          },
          {
            "average": 1.618359842,
            "count": 10639318,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.165967896,
            "variance": 1.359481134
          },
          {
            "average": 1,
            "count": 10639318,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10639318,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.96912998,
            "count": 10639318,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.56675385,
            "variance": 184.0568101
          },
          {
            "average": 20.1473374,
            "count": 10639318,
            "maximum": 39,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.198150778,
            "variance": 10.2281684
          },
          {
            "average": 91.3945564,
            "count": 10639318,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.01958299,
            "variance": 4358.585339
          },
          {
            "average": 3.866702734,
            "count": 10639318,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.852895967,
            "variance": 8.139015398
          },
          {
            "average": 63690154.08,
            "count": 10639318,
            "maximum": 63759171.75,
            "minimum": 63590769.77,
            "name": "GpsTime",
            "position": 12,
            "stddev": 57866.94505,
            "variance": 3348583330
          },
          {
            "average": 0,
            "count": 10639318,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10639318,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10639318,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10639318,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10639318,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9694,
          2358998.469,
          -6.90577901,
          636000.0094,
          2359998.489,
          39.83422099
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9694125863,
                2358998.4689077875,
                -6.905779009785764
              ],
              [
                634999.9694125863,
                2359998.488907787,
                -6.905779009785764
              ],
              [
                636000.0094125863,
                2359998.488907787,
                39.834220990214234
              ],
              [
                636000.0094125863,
                2358998.4689077875,
                39.834220990214234
              ],
              [
                634999.9694125863,
                2358998.4689077875,
                -6.905779009785764
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:39:31+00:00",
        "end_time": "2013-09-19T01:52:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3559.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3559.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3559.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3559.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6982524,
            21.3278496,
            -6.90577901,
            -157.6885311,
            21.33695766,
            39.83422099
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6982524223468,
                  21.327924531928215,
                  -6.905779009785764
                ],
                [
                  -157.6981727189757,
                  21.336957663378136,
                  -6.905779009785764
                ],
                [
                  -157.68853107673345,
                  21.33688269330554,
                  39.834220990214234
                ],
                [
                  -157.68861137148056,
                  21.32784959650073,
                  39.834220990214234
                ],
                [
                  -157.6982524223468,
                  21.327924531928215,
                  -6.905779009785764
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3559.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3559.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:39:31Z",
            "pc:count": 10639318,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635467.8747,
                "count": 10639318,
                "maximum": 636000.0094,
                "minimum": 634999.9694,
                "name": "X",
                "position": 0,
                "stddev": 284.6833857,
                "variance": 81044.6301
              },
              {
                "average": 2359513.747,
                "count": 10639318,
                "maximum": 2359998.489,
                "minimum": 2358998.469,
                "name": "Y",
                "position": 1,
                "stddev": 282.6723892,
                "variance": 79903.6796
              },
              {
                "average": 4.144475032,
                "count": 10639318,
                "maximum": 39.83422099,
                "minimum": -6.90577901,
                "name": "Z",
                "position": 2,
                "stddev": 7.666245364,
                "variance": 58.77131798
              },
              {
                "average": 24.45794768,
                "count": 10639318,
                "maximum": 8751,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 47.25843502,
                "variance": 2233.359681
              },
              {
                "average": 1.310848496,
                "count": 10639318,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7452468566,
                "variance": 0.5553928772
              },
              {
                "average": 1.618359842,
                "count": 10639318,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.165967896,
                "variance": 1.359481134
              },
              {
                "average": 1,
                "count": 10639318,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10639318,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.96912998,
                "count": 10639318,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.56675385,
                "variance": 184.0568101
              },
              {
                "average": 20.1473374,
                "count": 10639318,
                "maximum": 39,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.198150778,
                "variance": 10.2281684
              },
              {
                "average": 91.3945564,
                "count": 10639318,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.01958299,
                "variance": 4358.585339
              },
              {
                "average": 3.866702734,
                "count": 10639318,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.852895967,
                "variance": 8.139015398
              },
              {
                "average": 63690154.08,
                "count": 10639318,
                "maximum": 63759171.75,
                "minimum": 63590769.77,
                "name": "GpsTime",
                "position": 12,
                "stddev": 57866.94505,
                "variance": 3348583330
              },
              {
                "average": 0,
                "count": 10639318,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10639318,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10639318,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10639318,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10639318,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9694,
              2358998.469,
              -6.90577901,
              636000.0094,
              2359998.489,
              39.83422099
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9694125863,
                    2358998.4689077875,
                    -6.905779009785764
                  ],
                  [
                    634999.9694125863,
                    2359998.488907787,
                    -6.905779009785764
                  ],
                  [
                    636000.0094125863,
                    2359998.488907787,
                    39.834220990214234
                  ],
                  [
                    636000.0094125863,
                    2358998.4689077875,
                    39.834220990214234
                  ],
                  [
                    634999.9694125863,
                    2358998.4689077875,
                    -6.905779009785764
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:39:31+00:00",
            "end_time": "2013-09-19T01:52:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3854.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.66973657766914,
              21.282533839209297,
              -23.41524979167793
            ],
            [
              -157.66965531924478,
              21.29156673552017,
              -23.41524979167793
            ],
            [
              -157.6600167509279,
              21.29149028465853,
              33.564750208322074
            ],
            [
              -157.66009859744725,
              21.282457423877634,
              33.564750208322074
            ],
            [
              -157.66973657766914,
              21.282533839209297,
              -23.41524979167793
            ]
          ]
        ]
      },
      "bbox": [
        -157.6697366,
        21.28245742,
        -23.41524979,
        -157.6600168,
        21.29156674,
        33.56475021
      ],
      "properties": {
        "datetime": "2013-09-22T19:56:40Z",
        "pc:count": 4685962,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638436.98,
            "count": 4685962,
            "maximum": 639000.0873,
            "minimum": 638000.0473,
            "name": "X",
            "position": 0,
            "stddev": 291.0761815,
            "variance": 84725.34345
          },
          {
            "average": 2354620.887,
            "count": 4685962,
            "maximum": 2354998.486,
            "minimum": 2353998.486,
            "name": "Y",
            "position": 1,
            "stddev": 275.0061448,
            "variance": 75628.37968
          },
          {
            "average": -0.8249664624,
            "count": 4685962,
            "maximum": 33.56475021,
            "minimum": -23.41524979,
            "name": "Z",
            "position": 2,
            "stddev": 9.502315715,
            "variance": 90.29400396
          },
          {
            "average": 30.07338493,
            "count": 4685962,
            "maximum": 8369,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 77.95416566,
            "variance": 6076.851943
          },
          {
            "average": 1.16373799,
            "count": 4685962,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5299183181,
            "variance": 0.2808134238
          },
          {
            "average": 1.327271967,
            "count": 4685962,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8329843924,
            "variance": 0.693862998
          },
          {
            "average": 1,
            "count": 4685962,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4685962,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.17981302,
            "count": 4685962,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.73932455,
            "variance": 188.7690391
          },
          {
            "average": 19.70866313,
            "count": 4685962,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.565720215,
            "variance": 12.71436065
          },
          {
            "average": 95.36570634,
            "count": 4685962,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.03009285,
            "variance": 4765.153719
          },
          {
            "average": 10.88258099,
            "count": 4685962,
            "maximum": 20,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.642480489,
            "variance": 13.26766411
          },
          {
            "average": 63852037.13,
            "count": 4685962,
            "maximum": 63915000.82,
            "minimum": 63383645.81,
            "name": "GpsTime",
            "position": 12,
            "stddev": 170093.2995,
            "variance": 28931730550.0
          },
          {
            "average": 0,
            "count": 4685962,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4685962,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4685962,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4685962,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4685962,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.0473,
          2353998.486,
          -23.41524979,
          639000.0873,
          2354998.486,
          33.56475021
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.0473330386,
                2353998.4856951786,
                -23.41524979167793
              ],
              [
                638000.0473330386,
                2354998.4856951786,
                -23.41524979167793
              ],
              [
                639000.0873330387,
                2354998.4856951786,
                33.564750208322074
              ],
              [
                639000.0873330387,
                2353998.4856951786,
                33.564750208322074
              ],
              [
                638000.0473330386,
                2353998.4856951786,
                -23.41524979167793
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:56:40+00:00",
        "end_time": "2013-09-16T16:20:45+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3854.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3854.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3854.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3854.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6697366,
            21.28245742,
            -23.41524979,
            -157.6600168,
            21.29156674,
            33.56475021
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.66973657766914,
                  21.282533839209297,
                  -23.41524979167793
                ],
                [
                  -157.66965531924478,
                  21.29156673552017,
                  -23.41524979167793
                ],
                [
                  -157.6600167509279,
                  21.29149028465853,
                  33.564750208322074
                ],
                [
                  -157.66009859744725,
                  21.282457423877634,
                  33.564750208322074
                ],
                [
                  -157.66973657766914,
                  21.282533839209297,
                  -23.41524979167793
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3854.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3854.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:56:40Z",
            "pc:count": 4685962,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638436.98,
                "count": 4685962,
                "maximum": 639000.0873,
                "minimum": 638000.0473,
                "name": "X",
                "position": 0,
                "stddev": 291.0761815,
                "variance": 84725.34345
              },
              {
                "average": 2354620.887,
                "count": 4685962,
                "maximum": 2354998.486,
                "minimum": 2353998.486,
                "name": "Y",
                "position": 1,
                "stddev": 275.0061448,
                "variance": 75628.37968
              },
              {
                "average": -0.8249664624,
                "count": 4685962,
                "maximum": 33.56475021,
                "minimum": -23.41524979,
                "name": "Z",
                "position": 2,
                "stddev": 9.502315715,
                "variance": 90.29400396
              },
              {
                "average": 30.07338493,
                "count": 4685962,
                "maximum": 8369,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 77.95416566,
                "variance": 6076.851943
              },
              {
                "average": 1.16373799,
                "count": 4685962,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5299183181,
                "variance": 0.2808134238
              },
              {
                "average": 1.327271967,
                "count": 4685962,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8329843924,
                "variance": 0.693862998
              },
              {
                "average": 1,
                "count": 4685962,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4685962,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.17981302,
                "count": 4685962,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.73932455,
                "variance": 188.7690391
              },
              {
                "average": 19.70866313,
                "count": 4685962,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.565720215,
                "variance": 12.71436065
              },
              {
                "average": 95.36570634,
                "count": 4685962,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.03009285,
                "variance": 4765.153719
              },
              {
                "average": 10.88258099,
                "count": 4685962,
                "maximum": 20,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.642480489,
                "variance": 13.26766411
              },
              {
                "average": 63852037.13,
                "count": 4685962,
                "maximum": 63915000.82,
                "minimum": 63383645.81,
                "name": "GpsTime",
                "position": 12,
                "stddev": 170093.2995,
                "variance": 28931730550.0
              },
              {
                "average": 0,
                "count": 4685962,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4685962,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4685962,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4685962,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4685962,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.0473,
              2353998.486,
              -23.41524979,
              639000.0873,
              2354998.486,
              33.56475021
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.0473330386,
                    2353998.4856951786,
                    -23.41524979167793
                  ],
                  [
                    638000.0473330386,
                    2354998.4856951786,
                    -23.41524979167793
                  ],
                  [
                    639000.0873330387,
                    2354998.4856951786,
                    33.564750208322074
                  ],
                  [
                    639000.0873330387,
                    2353998.4856951786,
                    33.564750208322074
                  ],
                  [
                    638000.0473330386,
                    2353998.4856951786,
                    -23.41524979167793
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:56:40+00:00",
            "end_time": "2013-09-16T16:20:45+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3454.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70828836369398,
              21.28283380423705,
              -1.046498728599403
            ],
            [
              -157.70820945829374,
              21.29186684006812,
              -1.046498728599403
            ],
            [
              -157.69857091340688,
              21.29179259684019,
              94.9935012714006
            ],
            [
              -157.6986504072576,
              21.28275959551297,
              94.9935012714006
            ],
            [
              -157.70828836369398,
              21.28283380423705,
              -1.046498728599403
            ]
          ]
        ]
      },
      "bbox": [
        -157.7082884,
        21.2827596,
        -1.046498729,
        -157.6985709,
        21.29186684,
        94.99350127
      ],
      "properties": {
        "datetime": "2013-09-22T20:04:35Z",
        "pc:count": 5375569,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634498.9852,
            "count": 5375569,
            "maximum": 634999.9654,
            "minimum": 633999.9454,
            "name": "X",
            "position": 0,
            "stddev": 280.9768741,
            "variance": 78948.00376
          },
          {
            "average": 2354556.859,
            "count": 5375569,
            "maximum": 2354998.466,
            "minimum": 2353998.466,
            "name": "Y",
            "position": 1,
            "stddev": 261.515727,
            "variance": 68390.47545
          },
          {
            "average": 13.50314632,
            "count": 5375569,
            "maximum": 94.99350127,
            "minimum": -1.046498729,
            "name": "Z",
            "position": 2,
            "stddev": 15.93740027,
            "variance": 254.0007274
          },
          {
            "average": 24.19089849,
            "count": 5375569,
            "maximum": 992,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 42.19043223,
            "variance": 1780.032572
          },
          {
            "average": 1.479757027,
            "count": 5375569,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8480051562,
            "variance": 0.719112745
          },
          {
            "average": 1.961876966,
            "count": 5375569,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.25414757,
            "variance": 1.572886127
          },
          {
            "average": 1,
            "count": 5375569,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5375569,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.216961218,
            "count": 5375569,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.8440757842,
            "variance": 0.7124639295
          },
          {
            "average": 20.20194063,
            "count": 5375569,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.726729882,
            "variance": 7.435055851
          },
          {
            "average": 91.40455866,
            "count": 5375569,
            "maximum": 202,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.65805101,
            "variance": 4310.979662
          },
          {
            "average": 5.528979165,
            "count": 5375569,
            "maximum": 13,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.525955435,
            "variance": 12.43236173
          },
          {
            "average": 63765939.14,
            "count": 5375569,
            "maximum": 63915475.76,
            "minimum": 63381898.81,
            "name": "GpsTime",
            "position": 12,
            "stddev": 235044.2119,
            "variance": 55245781530.0
          },
          {
            "average": 0,
            "count": 5375569,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5375569,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5375569,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5375569,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5375569,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9454,
          2353998.466,
          -1.046498729,
          634999.9654,
          2354998.466,
          94.99350127
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.9453908196,
                2353998.4658454806,
                -1.046498728599403
              ],
              [
                633999.9453908196,
                2354998.4658454806,
                -1.046498728599403
              ],
              [
                634999.9653908196,
                2354998.4658454806,
                94.9935012714006
              ],
              [
                634999.9653908196,
                2353998.4658454806,
                94.9935012714006
              ],
              [
                633999.9453908196,
                2353998.4658454806,
                -1.046498728599403
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:04:35+00:00",
        "end_time": "2013-09-16T15:51:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3454.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3454.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3454.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3454.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7082884,
            21.2827596,
            -1.046498729,
            -157.6985709,
            21.29186684,
            94.99350127
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70828836369398,
                  21.28283380423705,
                  -1.046498728599403
                ],
                [
                  -157.70820945829374,
                  21.29186684006812,
                  -1.046498728599403
                ],
                [
                  -157.69857091340688,
                  21.29179259684019,
                  94.9935012714006
                ],
                [
                  -157.6986504072576,
                  21.28275959551297,
                  94.9935012714006
                ],
                [
                  -157.70828836369398,
                  21.28283380423705,
                  -1.046498728599403
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3454.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3454.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:04:35Z",
            "pc:count": 5375569,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634498.9852,
                "count": 5375569,
                "maximum": 634999.9654,
                "minimum": 633999.9454,
                "name": "X",
                "position": 0,
                "stddev": 280.9768741,
                "variance": 78948.00376
              },
              {
                "average": 2354556.859,
                "count": 5375569,
                "maximum": 2354998.466,
                "minimum": 2353998.466,
                "name": "Y",
                "position": 1,
                "stddev": 261.515727,
                "variance": 68390.47545
              },
              {
                "average": 13.50314632,
                "count": 5375569,
                "maximum": 94.99350127,
                "minimum": -1.046498729,
                "name": "Z",
                "position": 2,
                "stddev": 15.93740027,
                "variance": 254.0007274
              },
              {
                "average": 24.19089849,
                "count": 5375569,
                "maximum": 992,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 42.19043223,
                "variance": 1780.032572
              },
              {
                "average": 1.479757027,
                "count": 5375569,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8480051562,
                "variance": 0.719112745
              },
              {
                "average": 1.961876966,
                "count": 5375569,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.25414757,
                "variance": 1.572886127
              },
              {
                "average": 1,
                "count": 5375569,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5375569,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.216961218,
                "count": 5375569,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.8440757842,
                "variance": 0.7124639295
              },
              {
                "average": 20.20194063,
                "count": 5375569,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.726729882,
                "variance": 7.435055851
              },
              {
                "average": 91.40455866,
                "count": 5375569,
                "maximum": 202,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.65805101,
                "variance": 4310.979662
              },
              {
                "average": 5.528979165,
                "count": 5375569,
                "maximum": 13,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.525955435,
                "variance": 12.43236173
              },
              {
                "average": 63765939.14,
                "count": 5375569,
                "maximum": 63915475.76,
                "minimum": 63381898.81,
                "name": "GpsTime",
                "position": 12,
                "stddev": 235044.2119,
                "variance": 55245781530.0
              },
              {
                "average": 0,
                "count": 5375569,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5375569,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5375569,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5375569,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5375569,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9454,
              2353998.466,
              -1.046498729,
              634999.9654,
              2354998.466,
              94.99350127
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.9453908196,
                    2353998.4658454806,
                    -1.046498728599403
                  ],
                  [
                    633999.9453908196,
                    2354998.4658454806,
                    -1.046498728599403
                  ],
                  [
                    634999.9653908196,
                    2354998.4658454806,
                    94.9935012714006
                  ],
                  [
                    634999.9653908196,
                    2353998.4658454806,
                    94.9935012714006
                  ],
                  [
                    633999.9453908196,
                    2353998.4658454806,
                    -1.046498728599403
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:04:35+00:00",
            "end_time": "2013-09-16T15:51:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3860.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.66924822262655,
              21.33673118936024,
              -53.59167057210918
            ],
            [
              -157.66916671185905,
              21.345764024883604,
              -53.59167057210918
            ],
            [
              -157.6595248018852,
              21.345687362247947,
              -13.43167057210918
            ],
            [
              -157.65960690427247,
              21.3366545621548,
              -13.43167057210918
            ],
            [
              -157.66924822262655,
              21.33673118936024,
              -53.59167057210918
            ]
          ]
        ]
      },
      "bbox": [
        -157.6692482,
        21.33665456,
        -53.59167057,
        -157.6595248,
        21.34576402,
        -13.43167057
      ],
      "properties": {
        "datetime": "2013-09-20T02:27:13Z",
        "pc:count": 779581,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638460.0573,
            "count": 779581,
            "maximum": 639000.0788,
            "minimum": 638000.0588,
            "name": "X",
            "position": 0,
            "stddev": 277.0482858,
            "variance": 76755.75265
          },
          {
            "average": 2360466.541,
            "count": 779581,
            "maximum": 2360998.499,
            "minimum": 2359998.499,
            "name": "Y",
            "position": 1,
            "stddev": 284.2500185,
            "variance": 80798.073
          },
          {
            "average": -24.41258337,
            "count": 779581,
            "maximum": -13.43167057,
            "minimum": -53.59167057,
            "name": "Z",
            "position": 2,
            "stddev": 6.507248746,
            "variance": 42.34428624
          },
          {
            "average": 459.5732387,
            "count": 779581,
            "maximum": 6985,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 288.1623501,
            "variance": 83037.54004
          },
          {
            "average": 1.005981418,
            "count": 779581,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07719116469,
            "variance": 0.005958475906
          },
          {
            "average": 1.006148174,
            "count": 779581,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0783328609,
            "variance": 0.006136037097
          },
          {
            "average": 1,
            "count": 779581,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 779581,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 779581,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.3167468,
            "count": 779581,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.78894084,
            "variance": 95.82336277
          },
          {
            "average": 243.6980788,
            "count": 779581,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 28.2225798,
            "variance": 796.5140104
          },
          {
            "average": 7.544475815,
            "count": 779581,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.584558867,
            "variance": 6.679944537
          },
          {
            "average": 63660621.99,
            "count": 779581,
            "maximum": 63679233.19,
            "minimum": 63655961.72,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6780.182247,
            "variance": 45970871.3
          },
          {
            "average": 0,
            "count": 779581,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 779581,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 779581,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 779581,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 779581,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.0588,
          2359998.499,
          -53.59167057,
          639000.0788,
          2360998.499,
          -13.43167057
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.0587998522,
                2359998.4992049513,
                -53.59167057210918
              ],
              [
                638000.0587998522,
                2360998.4992049513,
                -53.59167057210918
              ],
              [
                639000.0787998522,
                2360998.4992049513,
                -13.43167057210918
              ],
              [
                639000.0787998522,
                2359998.4992049513,
                -13.43167057210918
              ],
              [
                638000.0587998522,
                2359998.4992049513,
                -53.59167057210918
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:27:13+00:00",
        "end_time": "2013-09-19T19:59:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3860.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3860.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3860.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3860.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6692482,
            21.33665456,
            -53.59167057,
            -157.6595248,
            21.34576402,
            -13.43167057
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.66924822262655,
                  21.33673118936024,
                  -53.59167057210918
                ],
                [
                  -157.66916671185905,
                  21.345764024883604,
                  -53.59167057210918
                ],
                [
                  -157.6595248018852,
                  21.345687362247947,
                  -13.43167057210918
                ],
                [
                  -157.65960690427247,
                  21.3366545621548,
                  -13.43167057210918
                ],
                [
                  -157.66924822262655,
                  21.33673118936024,
                  -53.59167057210918
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3860.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3860.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:27:13Z",
            "pc:count": 779581,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638460.0573,
                "count": 779581,
                "maximum": 639000.0788,
                "minimum": 638000.0588,
                "name": "X",
                "position": 0,
                "stddev": 277.0482858,
                "variance": 76755.75265
              },
              {
                "average": 2360466.541,
                "count": 779581,
                "maximum": 2360998.499,
                "minimum": 2359998.499,
                "name": "Y",
                "position": 1,
                "stddev": 284.2500185,
                "variance": 80798.073
              },
              {
                "average": -24.41258337,
                "count": 779581,
                "maximum": -13.43167057,
                "minimum": -53.59167057,
                "name": "Z",
                "position": 2,
                "stddev": 6.507248746,
                "variance": 42.34428624
              },
              {
                "average": 459.5732387,
                "count": 779581,
                "maximum": 6985,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 288.1623501,
                "variance": 83037.54004
              },
              {
                "average": 1.005981418,
                "count": 779581,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07719116469,
                "variance": 0.005958475906
              },
              {
                "average": 1.006148174,
                "count": 779581,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0783328609,
                "variance": 0.006136037097
              },
              {
                "average": 1,
                "count": 779581,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 779581,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 779581,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.3167468,
                "count": 779581,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.78894084,
                "variance": 95.82336277
              },
              {
                "average": 243.6980788,
                "count": 779581,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 28.2225798,
                "variance": 796.5140104
              },
              {
                "average": 7.544475815,
                "count": 779581,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.584558867,
                "variance": 6.679944537
              },
              {
                "average": 63660621.99,
                "count": 779581,
                "maximum": 63679233.19,
                "minimum": 63655961.72,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6780.182247,
                "variance": 45970871.3
              },
              {
                "average": 0,
                "count": 779581,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 779581,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 779581,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 779581,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 779581,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.0588,
              2359998.499,
              -53.59167057,
              639000.0788,
              2360998.499,
              -13.43167057
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.0587998522,
                    2359998.4992049513,
                    -53.59167057210918
                  ],
                  [
                    638000.0587998522,
                    2360998.4992049513,
                    -53.59167057210918
                  ],
                  [
                    639000.0787998522,
                    2360998.4992049513,
                    -13.43167057210918
                  ],
                  [
                    639000.0787998522,
                    2359998.4992049513,
                    -13.43167057210918
                  ],
                  [
                    638000.0587998522,
                    2359998.4992049513,
                    -53.59167057210918
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:27:13+00:00",
            "end_time": "2013-09-19T19:59:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3861.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.66916667790056,
              21.34576395722422,
              -57.90620222481492
            ],
            [
              -157.6690851308083,
              21.354796782323593,
              -57.90620222481492
            ],
            [
              -157.65949180371476,
              21.354720476871435,
              -20.566202224814916
            ],
            [
              -157.65957394057787,
              21.345687686961583,
              -20.566202224814916
            ],
            [
              -157.66916667790056,
              21.34576395722422,
              -57.90620222481492
            ]
          ]
        ]
      },
      "bbox": [
        -157.6691667,
        21.34568769,
        -57.90620222,
        -157.6594918,
        21.35479678,
        -20.56620222
      ],
      "properties": {
        "datetime": "2013-09-19T20:45:31Z",
        "pc:count": 307039,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638260.9955,
            "count": 307039,
            "maximum": 638994.9824,
            "minimum": 638000.0624,
            "name": "X",
            "position": 0,
            "stddev": 193.9742664,
            "variance": 37626.01603
          },
          {
            "average": 2361370.814,
            "count": 307039,
            "maximum": 2361998.492,
            "minimum": 2360998.492,
            "name": "Y",
            "position": 1,
            "stddev": 272.0189364,
            "variance": 73994.30177
          },
          {
            "average": -31.40390258,
            "count": 307039,
            "maximum": -20.56620222,
            "minimum": -57.90620222,
            "name": "Z",
            "position": 2,
            "stddev": 6.376921299,
            "variance": 40.66512526
          },
          {
            "average": 644.3576093,
            "count": 307039,
            "maximum": 5108,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 301.4591731,
            "variance": 90877.63302
          },
          {
            "average": 1.000341976,
            "count": 307039,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01848946366,
            "variance": 0.0003418602665
          },
          {
            "average": 1.000384316,
            "count": 307039,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01960024366,
            "variance": 0.0003841695514
          },
          {
            "average": 1,
            "count": 307039,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 307039,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 307039,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.7471831,
            "count": 307039,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.823548645,
            "variance": 96.50210798
          },
          {
            "average": 248.9272601,
            "count": 307039,
            "maximum": 252,
            "minimum": 32,
            "name": "UserData",
            "position": 10,
            "stddev": 3.353319191,
            "variance": 11.24474959
          },
          {
            "average": 6.04053231,
            "count": 307039,
            "maximum": 9,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.107263532,
            "variance": 1.226032528
          },
          {
            "average": 63656032.08,
            "count": 307039,
            "maximum": 63658731.15,
            "minimum": 63595013.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5559.150753,
            "variance": 30904157.1
          },
          {
            "average": 0,
            "count": 307039,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 307039,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 307039,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 307039,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 307039,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.0624,
          2360998.492,
          -57.90620222,
          638994.9824,
          2361998.492,
          -20.56620222
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.0623849621,
                2360998.4917448824,
                -57.90620222481492
              ],
              [
                638000.0623849621,
                2361998.4917448824,
                -57.90620222481492
              ],
              [
                638994.982384962,
                2361998.4917448824,
                -20.566202224814916
              ],
              [
                638994.982384962,
                2360998.4917448824,
                -20.566202224814916
              ],
              [
                638000.0623849621,
                2360998.4917448824,
                -57.90620222481492
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:45:31+00:00",
        "end_time": "2013-09-19T03:03:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3861.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3861.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3861.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3861.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6691667,
            21.34568769,
            -57.90620222,
            -157.6594918,
            21.35479678,
            -20.56620222
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.66916667790056,
                  21.34576395722422,
                  -57.90620222481492
                ],
                [
                  -157.6690851308083,
                  21.354796782323593,
                  -57.90620222481492
                ],
                [
                  -157.65949180371476,
                  21.354720476871435,
                  -20.566202224814916
                ],
                [
                  -157.65957394057787,
                  21.345687686961583,
                  -20.566202224814916
                ],
                [
                  -157.66916667790056,
                  21.34576395722422,
                  -57.90620222481492
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3861.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3861.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:45:31Z",
            "pc:count": 307039,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638260.9955,
                "count": 307039,
                "maximum": 638994.9824,
                "minimum": 638000.0624,
                "name": "X",
                "position": 0,
                "stddev": 193.9742664,
                "variance": 37626.01603
              },
              {
                "average": 2361370.814,
                "count": 307039,
                "maximum": 2361998.492,
                "minimum": 2360998.492,
                "name": "Y",
                "position": 1,
                "stddev": 272.0189364,
                "variance": 73994.30177
              },
              {
                "average": -31.40390258,
                "count": 307039,
                "maximum": -20.56620222,
                "minimum": -57.90620222,
                "name": "Z",
                "position": 2,
                "stddev": 6.376921299,
                "variance": 40.66512526
              },
              {
                "average": 644.3576093,
                "count": 307039,
                "maximum": 5108,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 301.4591731,
                "variance": 90877.63302
              },
              {
                "average": 1.000341976,
                "count": 307039,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01848946366,
                "variance": 0.0003418602665
              },
              {
                "average": 1.000384316,
                "count": 307039,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01960024366,
                "variance": 0.0003841695514
              },
              {
                "average": 1,
                "count": 307039,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 307039,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 307039,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.7471831,
                "count": 307039,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.823548645,
                "variance": 96.50210798
              },
              {
                "average": 248.9272601,
                "count": 307039,
                "maximum": 252,
                "minimum": 32,
                "name": "UserData",
                "position": 10,
                "stddev": 3.353319191,
                "variance": 11.24474959
              },
              {
                "average": 6.04053231,
                "count": 307039,
                "maximum": 9,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.107263532,
                "variance": 1.226032528
              },
              {
                "average": 63656032.08,
                "count": 307039,
                "maximum": 63658731.15,
                "minimum": 63595013.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5559.150753,
                "variance": 30904157.1
              },
              {
                "average": 0,
                "count": 307039,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 307039,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 307039,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 307039,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 307039,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.0624,
              2360998.492,
              -57.90620222,
              638994.9824,
              2361998.492,
              -20.56620222
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.0623849621,
                    2360998.4917448824,
                    -57.90620222481492
                  ],
                  [
                    638000.0623849621,
                    2361998.4917448824,
                    -57.90620222481492
                  ],
                  [
                    638994.982384962,
                    2361998.4917448824,
                    -20.566202224814916
                  ],
                  [
                    638994.982384962,
                    2360998.4917448824,
                    -20.566202224814916
                  ],
                  [
                    638000.0623849621,
                    2360998.4917448824,
                    -57.90620222481492
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:45:31+00:00",
            "end_time": "2013-09-19T03:03:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3862.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6690851311474,
              21.35479694012623,
              -53.179699815181166
            ],
            [
              -157.66900354932892,
              21.363829574143537,
              -53.179699815181166
            ],
            [
              -157.66565745665105,
              21.36380301094018,
              -28.939699815181168
            ],
            [
              -157.66573924461892,
              21.354770389142065,
              -28.939699815181168
            ],
            [
              -157.6690851311474,
              21.35479694012623,
              -53.179699815181166
            ]
          ]
        ]
      },
      "bbox": [
        -157.6690851,
        21.35477039,
        -53.17969982,
        -157.6656575,
        21.36382957,
        -28.93969982
      ],
      "properties": {
        "datetime": "2013-09-19T19:59:06Z",
        "pc:count": 77268,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638092.8458,
            "count": 77268,
            "maximum": 638347.0622,
            "minimum": 638000.0622,
            "name": "X",
            "position": 0,
            "stddev": 71.58450562,
            "variance": 5124.341445
          },
          {
            "average": 2362323.64,
            "count": 77268,
            "maximum": 2362998.489,
            "minimum": 2361998.509,
            "name": "Y",
            "position": 1,
            "stddev": 234.03343,
            "variance": 54771.64635
          },
          {
            "average": -39.3531504,
            "count": 77268,
            "maximum": -28.93969982,
            "minimum": -53.17969982,
            "name": "Z",
            "position": 2,
            "stddev": 4.956679872,
            "variance": 24.56867535
          },
          {
            "average": 583.3186442,
            "count": 77268,
            "maximum": 8733,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 521.3884752,
            "variance": 271845.942
          },
          {
            "average": 1.019128229,
            "count": 77268,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1370710289,
            "variance": 0.01878846697
          },
          {
            "average": 1.019141171,
            "count": 77268,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1371164243,
            "variance": 0.01880091382
          },
          {
            "average": 1,
            "count": 77268,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 77268,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 77268,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.65326918,
            "count": 77268,
            "maximum": 31.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.57146572,
            "variance": 91.61295604
          },
          {
            "average": 249.1816146,
            "count": 77268,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.4160759629,
            "variance": 0.1731192069
          },
          {
            "average": 6.242843092,
            "count": 77268,
            "maximum": 8,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.637314553,
            "variance": 2.680798947
          },
          {
            "average": 63616549.56,
            "count": 77268,
            "maximum": 63655946.95,
            "minimum": 63593747.87,
            "name": "GpsTime",
            "position": 12,
            "stddev": 29031.04098,
            "variance": 842801340.5
          },
          {
            "average": 0,
            "count": 77268,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 77268,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 77268,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 77268,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 77268,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.0622,
          2361998.509,
          -53.17969982,
          638347.0622,
          2362998.489,
          -28.93969982
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.0622020264,
                2361998.5092132543,
                -53.179699815181166
              ],
              [
                638000.0622020264,
                2362998.489213255,
                -53.179699815181166
              ],
              [
                638347.0622020264,
                2362998.489213255,
                -28.939699815181168
              ],
              [
                638347.0622020264,
                2361998.5092132543,
                -28.939699815181168
              ],
              [
                638000.0622020264,
                2361998.5092132543,
                -53.179699815181166
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:59:06+00:00",
        "end_time": "2013-09-19T02:42:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3862.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3862.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3862.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3862.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6690851,
            21.35477039,
            -53.17969982,
            -157.6656575,
            21.36382957,
            -28.93969982
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6690851311474,
                  21.35479694012623,
                  -53.179699815181166
                ],
                [
                  -157.66900354932892,
                  21.363829574143537,
                  -53.179699815181166
                ],
                [
                  -157.66565745665105,
                  21.36380301094018,
                  -28.939699815181168
                ],
                [
                  -157.66573924461892,
                  21.354770389142065,
                  -28.939699815181168
                ],
                [
                  -157.6690851311474,
                  21.35479694012623,
                  -53.179699815181166
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3862.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3862.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:59:06Z",
            "pc:count": 77268,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638092.8458,
                "count": 77268,
                "maximum": 638347.0622,
                "minimum": 638000.0622,
                "name": "X",
                "position": 0,
                "stddev": 71.58450562,
                "variance": 5124.341445
              },
              {
                "average": 2362323.64,
                "count": 77268,
                "maximum": 2362998.489,
                "minimum": 2361998.509,
                "name": "Y",
                "position": 1,
                "stddev": 234.03343,
                "variance": 54771.64635
              },
              {
                "average": -39.3531504,
                "count": 77268,
                "maximum": -28.93969982,
                "minimum": -53.17969982,
                "name": "Z",
                "position": 2,
                "stddev": 4.956679872,
                "variance": 24.56867535
              },
              {
                "average": 583.3186442,
                "count": 77268,
                "maximum": 8733,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 521.3884752,
                "variance": 271845.942
              },
              {
                "average": 1.019128229,
                "count": 77268,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1370710289,
                "variance": 0.01878846697
              },
              {
                "average": 1.019141171,
                "count": 77268,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1371164243,
                "variance": 0.01880091382
              },
              {
                "average": 1,
                "count": 77268,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 77268,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 77268,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.65326918,
                "count": 77268,
                "maximum": 31.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.57146572,
                "variance": 91.61295604
              },
              {
                "average": 249.1816146,
                "count": 77268,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.4160759629,
                "variance": 0.1731192069
              },
              {
                "average": 6.242843092,
                "count": 77268,
                "maximum": 8,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.637314553,
                "variance": 2.680798947
              },
              {
                "average": 63616549.56,
                "count": 77268,
                "maximum": 63655946.95,
                "minimum": 63593747.87,
                "name": "GpsTime",
                "position": 12,
                "stddev": 29031.04098,
                "variance": 842801340.5
              },
              {
                "average": 0,
                "count": 77268,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 77268,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 77268,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 77268,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 77268,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.0622,
              2361998.509,
              -53.17969982,
              638347.0622,
              2362998.489,
              -28.93969982
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.0622020264,
                    2361998.5092132543,
                    -53.179699815181166
                  ],
                  [
                    638000.0622020264,
                    2362998.489213255,
                    -53.179699815181166
                  ],
                  [
                    638347.0622020264,
                    2362998.489213255,
                    -28.939699815181168
                  ],
                  [
                    638347.0622020264,
                    2361998.5092132543,
                    -28.939699815181168
                  ],
                  [
                    638000.0622020264,
                    2361998.5092132543,
                    -53.179699815181166
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:59:06+00:00",
            "end_time": "2013-09-19T02:42:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3863.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6690034139902,
              21.363829890243093,
              -50.14879722374111
            ],
            [
              -157.66899044049998,
              21.36526592615918,
              -50.14879722374111
            ],
            [
              -157.6678419570533,
              21.36525681578001,
              -41.52879722374111
            ],
            [
              -157.66785494180672,
              21.363820780529373,
              -41.52879722374111
            ],
            [
              -157.6690034139902,
              21.363829890243093,
              -50.14879722374111
            ]
          ]
        ]
      },
      "bbox": [
        -157.6690034,
        21.36382078,
        -50.14879722,
        -157.667842,
        21.36526593,
        -41.52879722
      ],
      "properties": {
        "datetime": "2013-09-19T02:42:38Z",
        "pc:count": 1814,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638037.5962,
            "count": 1814,
            "maximum": 638119.1759,
            "minimum": 638000.0759,
            "name": "X",
            "position": 0,
            "stddev": 27.02066882,
            "variance": 730.1165437
          },
          {
            "average": 2363066.374,
            "count": 1814,
            "maximum": 2363157.504,
            "minimum": 2362998.524,
            "name": "Y",
            "position": 1,
            "stddev": 45.34635973,
            "variance": 2056.29234
          },
          {
            "average": -45.19533526,
            "count": 1814,
            "maximum": -41.52879722,
            "minimum": -50.14879722,
            "name": "Z",
            "position": 2,
            "stddev": 1.610085433,
            "variance": 2.592375101
          },
          {
            "average": 262.2155458,
            "count": 1814,
            "maximum": 1865,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 518.2641424,
            "variance": 268597.7213
          },
          {
            "average": 1,
            "count": 1814,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 1814,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 1814,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1814,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1814,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.27443657,
            "count": 1814,
            "maximum": 21,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.79804546,
            "variance": 77.40560392
          },
          {
            "average": 249,
            "count": 1814,
            "maximum": 249,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 6,
            "count": 1814,
            "maximum": 6,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63593756.64,
            "count": 1814,
            "maximum": 63593758.52,
            "minimum": 63593754.14,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1.38178409,
            "variance": 1.909327272
          },
          {
            "average": 0,
            "count": 1814,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1814,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1814,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1814,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1814,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.0759,
          2362998.524,
          -50.14879722,
          638119.1759,
          2363157.504,
          -41.52879722
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.075939929,
                2362998.524324134,
                -50.14879722374111
              ],
              [
                638000.075939929,
                2363157.5043241344,
                -50.14879722374111
              ],
              [
                638119.1759399291,
                2363157.5043241344,
                -41.52879722374111
              ],
              [
                638119.1759399291,
                2362998.524324134,
                -41.52879722374111
              ],
              [
                638000.075939929,
                2362998.524324134,
                -50.14879722374111
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T02:42:38+00:00",
        "end_time": "2013-09-19T02:42:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3863.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3863.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3863.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3863.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6690034,
            21.36382078,
            -50.14879722,
            -157.667842,
            21.36526593,
            -41.52879722
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6690034139902,
                  21.363829890243093,
                  -50.14879722374111
                ],
                [
                  -157.66899044049998,
                  21.36526592615918,
                  -50.14879722374111
                ],
                [
                  -157.6678419570533,
                  21.36525681578001,
                  -41.52879722374111
                ],
                [
                  -157.66785494180672,
                  21.363820780529373,
                  -41.52879722374111
                ],
                [
                  -157.6690034139902,
                  21.363829890243093,
                  -50.14879722374111
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3863.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3863.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T02:42:38Z",
            "pc:count": 1814,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638037.5962,
                "count": 1814,
                "maximum": 638119.1759,
                "minimum": 638000.0759,
                "name": "X",
                "position": 0,
                "stddev": 27.02066882,
                "variance": 730.1165437
              },
              {
                "average": 2363066.374,
                "count": 1814,
                "maximum": 2363157.504,
                "minimum": 2362998.524,
                "name": "Y",
                "position": 1,
                "stddev": 45.34635973,
                "variance": 2056.29234
              },
              {
                "average": -45.19533526,
                "count": 1814,
                "maximum": -41.52879722,
                "minimum": -50.14879722,
                "name": "Z",
                "position": 2,
                "stddev": 1.610085433,
                "variance": 2.592375101
              },
              {
                "average": 262.2155458,
                "count": 1814,
                "maximum": 1865,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 518.2641424,
                "variance": 268597.7213
              },
              {
                "average": 1,
                "count": 1814,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 1814,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 1814,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1814,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1814,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.27443657,
                "count": 1814,
                "maximum": 21,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.79804546,
                "variance": 77.40560392
              },
              {
                "average": 249,
                "count": 1814,
                "maximum": 249,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 6,
                "count": 1814,
                "maximum": 6,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63593756.64,
                "count": 1814,
                "maximum": 63593758.52,
                "minimum": 63593754.14,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1.38178409,
                "variance": 1.909327272
              },
              {
                "average": 0,
                "count": 1814,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1814,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1814,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1814,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1814,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.0759,
              2362998.524,
              -50.14879722,
              638119.1759,
              2363157.504,
              -41.52879722
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.075939929,
                    2362998.524324134,
                    -50.14879722374111
                  ],
                  [
                    638000.075939929,
                    2363157.5043241344,
                    -50.14879722374111
                  ],
                  [
                    638119.1759399291,
                    2363157.5043241344,
                    -41.52879722374111
                  ],
                  [
                    638119.1759399291,
                    2362998.524324134,
                    -41.52879722374111
                  ],
                  [
                    638000.075939929,
                    2362998.524324134,
                    -50.14879722374111
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T02:42:38+00:00",
            "end_time": "2013-09-19T02:42:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3252.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7277199907676,
              21.26491422532614,
              -14.71260231735926
            ],
            [
              -157.72764234533562,
              21.27394734965604,
              -14.71260231735926
            ],
            [
              -157.71800469994793,
              21.27387427600738,
              0.627397682640741
            ],
            [
              -157.71808293301032,
              21.264841185729928,
              0.627397682640741
            ],
            [
              -157.7277199907676,
              21.26491422532614,
              -14.71260231735926
            ]
          ]
        ]
      },
      "bbox": [
        -157.72772,
        21.26484119,
        -14.71260232,
        -157.7180047,
        21.27394735,
        0.6273976826
      ],
      "properties": {
        "datetime": "2013-09-22T20:17:38Z",
        "pc:count": 9208574,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632495.0874,
            "count": 9208574,
            "maximum": 632999.9184,
            "minimum": 631999.8784,
            "name": "X",
            "position": 0,
            "stddev": 286.099868,
            "variance": 81853.13445
          },
          {
            "average": 2352521.179,
            "count": 9208574,
            "maximum": 2352998.454,
            "minimum": 2351998.454,
            "name": "Y",
            "position": 1,
            "stddev": 289.2937184,
            "variance": 83690.85553
          },
          {
            "average": -8.781203573,
            "count": 9208574,
            "maximum": 0.6273976826,
            "minimum": -14.71260232,
            "name": "Z",
            "position": 2,
            "stddev": 2.904136909,
            "variance": 8.434011184
          },
          {
            "average": 27.07084072,
            "count": 9208574,
            "maximum": 5441,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 73.81202973,
            "variance": 5448.215733
          },
          {
            "average": 1.00973256,
            "count": 9208574,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09981794332,
            "variance": 0.009963621808
          },
          {
            "average": 1.016194798,
            "count": 9208574,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1287716613,
            "variance": 0.01658214074
          },
          {
            "average": 1,
            "count": 9208574,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9208574,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 9208574,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.95077781,
            "count": 9208574,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.809449408,
            "variance": 7.893005978
          },
          {
            "average": 92.74152447,
            "count": 9208574,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 65.02998268,
            "variance": 4228.898648
          },
          {
            "average": 16.99653214,
            "count": 9208574,
            "maximum": 21,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.712562846,
            "variance": 13.78312289
          },
          {
            "average": 63614799.91,
            "count": 9208574,
            "maximum": 63916258.08,
            "minimum": 63383729.33,
            "name": "GpsTime",
            "position": 12,
            "stddev": 262858.5334,
            "variance": 69094608570.0
          },
          {
            "average": 0,
            "count": 9208574,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9208574,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9208574,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9208574,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9208574,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.8784,
          2351998.454,
          -14.71260232,
          632999.9184,
          2352998.454,
          0.6273976826
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.8783723512,
                2351998.4540223675,
                -14.71260231735926
              ],
              [
                631999.8783723512,
                2352998.4540223675,
                -14.71260231735926
              ],
              [
                632999.9183723512,
                2352998.4540223675,
                0.627397682640741
              ],
              [
                632999.9183723512,
                2351998.4540223675,
                0.627397682640741
              ],
              [
                631999.8783723512,
                2351998.4540223675,
                -14.71260231735926
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:17:38+00:00",
        "end_time": "2013-09-16T16:22:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3252.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3252.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3252.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3252.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.72772,
            21.26484119,
            -14.71260232,
            -157.7180047,
            21.27394735,
            0.6273976826
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7277199907676,
                  21.26491422532614,
                  -14.71260231735926
                ],
                [
                  -157.72764234533562,
                  21.27394734965604,
                  -14.71260231735926
                ],
                [
                  -157.71800469994793,
                  21.27387427600738,
                  0.627397682640741
                ],
                [
                  -157.71808293301032,
                  21.264841185729928,
                  0.627397682640741
                ],
                [
                  -157.7277199907676,
                  21.26491422532614,
                  -14.71260231735926
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3252.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3252.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:17:38Z",
            "pc:count": 9208574,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632495.0874,
                "count": 9208574,
                "maximum": 632999.9184,
                "minimum": 631999.8784,
                "name": "X",
                "position": 0,
                "stddev": 286.099868,
                "variance": 81853.13445
              },
              {
                "average": 2352521.179,
                "count": 9208574,
                "maximum": 2352998.454,
                "minimum": 2351998.454,
                "name": "Y",
                "position": 1,
                "stddev": 289.2937184,
                "variance": 83690.85553
              },
              {
                "average": -8.781203573,
                "count": 9208574,
                "maximum": 0.6273976826,
                "minimum": -14.71260232,
                "name": "Z",
                "position": 2,
                "stddev": 2.904136909,
                "variance": 8.434011184
              },
              {
                "average": 27.07084072,
                "count": 9208574,
                "maximum": 5441,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 73.81202973,
                "variance": 5448.215733
              },
              {
                "average": 1.00973256,
                "count": 9208574,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09981794332,
                "variance": 0.009963621808
              },
              {
                "average": 1.016194798,
                "count": 9208574,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1287716613,
                "variance": 0.01658214074
              },
              {
                "average": 1,
                "count": 9208574,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9208574,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 9208574,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.95077781,
                "count": 9208574,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.809449408,
                "variance": 7.893005978
              },
              {
                "average": 92.74152447,
                "count": 9208574,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 65.02998268,
                "variance": 4228.898648
              },
              {
                "average": 16.99653214,
                "count": 9208574,
                "maximum": 21,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.712562846,
                "variance": 13.78312289
              },
              {
                "average": 63614799.91,
                "count": 9208574,
                "maximum": 63916258.08,
                "minimum": 63383729.33,
                "name": "GpsTime",
                "position": 12,
                "stddev": 262858.5334,
                "variance": 69094608570.0
              },
              {
                "average": 0,
                "count": 9208574,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9208574,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9208574,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9208574,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9208574,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.8784,
              2351998.454,
              -14.71260232,
              632999.9184,
              2352998.454,
              0.6273976826
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.8783723512,
                    2351998.4540223675,
                    -14.71260231735926
                  ],
                  [
                    631999.8783723512,
                    2352998.4540223675,
                    -14.71260231735926
                  ],
                  [
                    632999.9183723512,
                    2352998.4540223675,
                    0.627397682640741
                  ],
                  [
                    632999.9183723512,
                    2351998.4540223675,
                    0.627397682640741
                  ],
                  [
                    631999.8783723512,
                    2351998.4540223675,
                    -14.71260231735926
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:17:38+00:00",
            "end_time": "2013-09-16T16:22:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3953.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.66016900299462,
              21.27468855803202,
              -44.948256185364826
            ],
            [
              -157.6600986522491,
              21.282457548307306,
              -44.948256185364826
            ],
            [
              -157.6504609076514,
              21.282380583279853,
              -14.668256185364829
            ],
            [
              -157.6505317638302,
              21.27461162373722,
              -14.668256185364829
            ],
            [
              -157.66016900299462,
              21.27468855803202,
              -44.948256185364826
            ]
          ]
        ]
      },
      "bbox": [
        -157.660169,
        21.27461162,
        -44.94825619,
        -157.6504609,
        21.28245755,
        -14.66825619
      ],
      "properties": {
        "datetime": "2013-09-16T16:38:49Z",
        "pc:count": 881331,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 639366.6949,
            "count": 881331,
            "maximum": 640000.1015,
            "minimum": 639000.0815,
            "name": "X",
            "position": 0,
            "stddev": 258.2015788,
            "variance": 66668.05531
          },
          {
            "average": 2353751.914,
            "count": 881331,
            "maximum": 2353998.499,
            "minimum": 2353138.419,
            "name": "Y",
            "position": 1,
            "stddev": 186.7589224,
            "variance": 34878.89509
          },
          {
            "average": -23.82619113,
            "count": 881331,
            "maximum": -14.66825619,
            "minimum": -44.94825619,
            "name": "Z",
            "position": 2,
            "stddev": 6.314329983,
            "variance": 39.87076314
          },
          {
            "average": 850.2703456,
            "count": 881331,
            "maximum": 8457,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1029.037326,
            "variance": 1058917.818
          },
          {
            "average": 1.024411941,
            "count": 881331,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1569850896,
            "variance": 0.02464431836
          },
          {
            "average": 1.028265203,
            "count": 881331,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1708005404,
            "variance": 0.02917282461
          },
          {
            "average": 1,
            "count": 881331,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 881331,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 881331,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.94675376,
            "count": 881331,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.851244863,
            "variance": 61.64204589
          },
          {
            "average": 208.7625625,
            "count": 881331,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 76.02557897,
            "variance": 5779.888658
          },
          {
            "average": 17.09847832,
            "count": 881331,
            "maximum": 19,
            "minimum": 14,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.087130817,
            "variance": 1.181853414
          },
          {
            "average": 63384055.07,
            "count": 881331,
            "maximum": 63384729.82,
            "minimum": 63382968.9,
            "name": "GpsTime",
            "position": 12,
            "stddev": 368.3331451,
            "variance": 135669.3058
          },
          {
            "average": 0,
            "count": 881331,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 881331,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 881331,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 881331,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 881331,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          639000.0815,
          2353138.419,
          -44.94825619,
          640000.1015,
          2353998.499,
          -14.66825619
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                639000.0815302312,
                2353138.419421129,
                -44.948256185364826
              ],
              [
                639000.0815302312,
                2353998.499421129,
                -44.948256185364826
              ],
              [
                640000.1015302312,
                2353998.499421129,
                -14.668256185364829
              ],
              [
                640000.1015302312,
                2353138.419421129,
                -14.668256185364829
              ],
              [
                639000.0815302312,
                2353138.419421129,
                -44.948256185364826
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T16:38:49+00:00",
        "end_time": "2013-09-16T16:09:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3953.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3953.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3953.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3953.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.660169,
            21.27461162,
            -44.94825619,
            -157.6504609,
            21.28245755,
            -14.66825619
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.66016900299462,
                  21.27468855803202,
                  -44.948256185364826
                ],
                [
                  -157.6600986522491,
                  21.282457548307306,
                  -44.948256185364826
                ],
                [
                  -157.6504609076514,
                  21.282380583279853,
                  -14.668256185364829
                ],
                [
                  -157.6505317638302,
                  21.27461162373722,
                  -14.668256185364829
                ],
                [
                  -157.66016900299462,
                  21.27468855803202,
                  -44.948256185364826
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3953.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3953.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T16:38:49Z",
            "pc:count": 881331,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 639366.6949,
                "count": 881331,
                "maximum": 640000.1015,
                "minimum": 639000.0815,
                "name": "X",
                "position": 0,
                "stddev": 258.2015788,
                "variance": 66668.05531
              },
              {
                "average": 2353751.914,
                "count": 881331,
                "maximum": 2353998.499,
                "minimum": 2353138.419,
                "name": "Y",
                "position": 1,
                "stddev": 186.7589224,
                "variance": 34878.89509
              },
              {
                "average": -23.82619113,
                "count": 881331,
                "maximum": -14.66825619,
                "minimum": -44.94825619,
                "name": "Z",
                "position": 2,
                "stddev": 6.314329983,
                "variance": 39.87076314
              },
              {
                "average": 850.2703456,
                "count": 881331,
                "maximum": 8457,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1029.037326,
                "variance": 1058917.818
              },
              {
                "average": 1.024411941,
                "count": 881331,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1569850896,
                "variance": 0.02464431836
              },
              {
                "average": 1.028265203,
                "count": 881331,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1708005404,
                "variance": 0.02917282461
              },
              {
                "average": 1,
                "count": 881331,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 881331,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 881331,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.94675376,
                "count": 881331,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.851244863,
                "variance": 61.64204589
              },
              {
                "average": 208.7625625,
                "count": 881331,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 76.02557897,
                "variance": 5779.888658
              },
              {
                "average": 17.09847832,
                "count": 881331,
                "maximum": 19,
                "minimum": 14,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.087130817,
                "variance": 1.181853414
              },
              {
                "average": 63384055.07,
                "count": 881331,
                "maximum": 63384729.82,
                "minimum": 63382968.9,
                "name": "GpsTime",
                "position": 12,
                "stddev": 368.3331451,
                "variance": 135669.3058
              },
              {
                "average": 0,
                "count": 881331,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 881331,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 881331,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 881331,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 881331,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              639000.0815,
              2353138.419,
              -44.94825619,
              640000.1015,
              2353998.499,
              -14.66825619
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    639000.0815302312,
                    2353138.419421129,
                    -44.948256185364826
                  ],
                  [
                    639000.0815302312,
                    2353998.499421129,
                    -44.948256185364826
                  ],
                  [
                    640000.1015302312,
                    2353998.499421129,
                    -14.668256185364829
                  ],
                  [
                    640000.1015302312,
                    2353138.419421129,
                    -14.668256185364829
                  ],
                  [
                    639000.0815302312,
                    2353138.419421129,
                    -44.948256185364826
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T16:38:49+00:00",
            "end_time": "2013-09-16T16:09:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3072.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.74545690342023,
              21.445720660795775,
              -6.697289552512739
            ],
            [
              -157.7453796044868,
              21.454753829900643,
              -6.697289552512739
            ],
            [
              -157.73573025311362,
              21.454681192236325,
              55.58271044748726
            ],
            [
              -157.73580814531795,
              21.445648056685958,
              55.58271044748726
            ],
            [
              -157.74545690342023,
              21.445720660795775,
              -6.697289552512739
            ]
          ]
        ]
      },
      "bbox": [
        -157.7454569,
        21.44564806,
        -6.697289553,
        -157.7357303,
        21.45475383,
        55.58271045
      ],
      "properties": {
        "datetime": "2013-09-21T02:22:05Z",
        "pc:count": 5995297,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630494.1292,
            "count": 5995297,
            "maximum": 630999.8811,
            "minimum": 629999.8611,
            "name": "X",
            "position": 0,
            "stddev": 292.4258968,
            "variance": 85512.90515
          },
          {
            "average": 2372484.943,
            "count": 5995297,
            "maximum": 2372998.493,
            "minimum": 2371998.473,
            "name": "Y",
            "position": 1,
            "stddev": 277.1330985,
            "variance": 76802.75428
          },
          {
            "average": 13.79539572,
            "count": 5995297,
            "maximum": 55.58271045,
            "minimum": -6.697289553,
            "name": "Z",
            "position": 2,
            "stddev": 9.679892558,
            "variance": 93.70031994
          },
          {
            "average": 32.47299675,
            "count": 5995297,
            "maximum": 5723,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 40.90896086,
            "variance": 1673.543079
          },
          {
            "average": 1.250344228,
            "count": 5995297,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6676059109,
            "variance": 0.4456976523
          },
          {
            "average": 1.500639751,
            "count": 5995297,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.050129614,
            "variance": 1.102772206
          },
          {
            "average": 1,
            "count": 5995297,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5995297,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.445100385,
            "count": 5995297,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.482972991,
            "variance": 30.06299282
          },
          {
            "average": 20.11235597,
            "count": 5995297,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.635781294,
            "variance": 6.94734303
          },
          {
            "average": 91.4628171,
            "count": 5995297,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.46640704,
            "variance": 4155.917637
          },
          {
            "average": 10.2968787,
            "count": 5995297,
            "maximum": 22,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.453892846,
            "variance": 41.65273286
          },
          {
            "average": 63735532.41,
            "count": 5995297,
            "maximum": 63765325.66,
            "minimum": 63653432.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 47386.85862,
            "variance": 2245514370
          },
          {
            "average": 0,
            "count": 5995297,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5995297,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5995297,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5995297,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5995297,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8611,
          2371998.473,
          -6.697289553,
          630999.8811,
          2372998.493,
          55.58271045
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8611460326,
                2371998.472684447,
                -6.697289552512739
              ],
              [
                629999.8611460326,
                2372998.4926844467,
                -6.697289552512739
              ],
              [
                630999.8811460326,
                2372998.4926844467,
                55.58271044748726
              ],
              [
                630999.8811460326,
                2371998.472684447,
                55.58271044748726
              ],
              [
                629999.8611460326,
                2371998.472684447,
                -6.697289552512739
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:22:05+00:00",
        "end_time": "2013-09-19T19:17:12+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3072.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3072.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3072.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3072.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7454569,
            21.44564806,
            -6.697289553,
            -157.7357303,
            21.45475383,
            55.58271045
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.74545690342023,
                  21.445720660795775,
                  -6.697289552512739
                ],
                [
                  -157.7453796044868,
                  21.454753829900643,
                  -6.697289552512739
                ],
                [
                  -157.73573025311362,
                  21.454681192236325,
                  55.58271044748726
                ],
                [
                  -157.73580814531795,
                  21.445648056685958,
                  55.58271044748726
                ],
                [
                  -157.74545690342023,
                  21.445720660795775,
                  -6.697289552512739
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3072.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3072.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:22:05Z",
            "pc:count": 5995297,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630494.1292,
                "count": 5995297,
                "maximum": 630999.8811,
                "minimum": 629999.8611,
                "name": "X",
                "position": 0,
                "stddev": 292.4258968,
                "variance": 85512.90515
              },
              {
                "average": 2372484.943,
                "count": 5995297,
                "maximum": 2372998.493,
                "minimum": 2371998.473,
                "name": "Y",
                "position": 1,
                "stddev": 277.1330985,
                "variance": 76802.75428
              },
              {
                "average": 13.79539572,
                "count": 5995297,
                "maximum": 55.58271045,
                "minimum": -6.697289553,
                "name": "Z",
                "position": 2,
                "stddev": 9.679892558,
                "variance": 93.70031994
              },
              {
                "average": 32.47299675,
                "count": 5995297,
                "maximum": 5723,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 40.90896086,
                "variance": 1673.543079
              },
              {
                "average": 1.250344228,
                "count": 5995297,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6676059109,
                "variance": 0.4456976523
              },
              {
                "average": 1.500639751,
                "count": 5995297,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.050129614,
                "variance": 1.102772206
              },
              {
                "average": 1,
                "count": 5995297,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5995297,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.445100385,
                "count": 5995297,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.482972991,
                "variance": 30.06299282
              },
              {
                "average": 20.11235597,
                "count": 5995297,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.635781294,
                "variance": 6.94734303
              },
              {
                "average": 91.4628171,
                "count": 5995297,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.46640704,
                "variance": 4155.917637
              },
              {
                "average": 10.2968787,
                "count": 5995297,
                "maximum": 22,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.453892846,
                "variance": 41.65273286
              },
              {
                "average": 63735532.41,
                "count": 5995297,
                "maximum": 63765325.66,
                "minimum": 63653432.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 47386.85862,
                "variance": 2245514370
              },
              {
                "average": 0,
                "count": 5995297,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5995297,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5995297,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5995297,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5995297,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8611,
              2371998.473,
              -6.697289553,
              630999.8811,
              2372998.493,
              55.58271045
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8611460326,
                    2371998.472684447,
                    -6.697289552512739
                  ],
                  [
                    629999.8611460326,
                    2372998.4926844467,
                    -6.697289552512739
                  ],
                  [
                    630999.8811460326,
                    2372998.4926844467,
                    55.58271044748726
                  ],
                  [
                    630999.8811460326,
                    2371998.472684447,
                    55.58271044748726
                  ],
                  [
                    629999.8611460326,
                    2371998.472684447,
                    -6.697289552512739
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:22:05+00:00",
            "end_time": "2013-09-19T19:17:12+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3455.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70454067185125,
              21.291838544856834,
              1.834992707447945
            ],
            [
              -157.7045206468671,
              21.29412371736063,
              1.834992707447945
            ],
            [
              -157.69855075700966,
              21.294077663082465,
              94.61499270744795
            ],
            [
              -157.6985708742433,
              21.291792495990848,
              94.61499270744795
            ],
            [
              -157.70454067185125,
              21.291838544856834,
              1.834992707447945
            ]
          ]
        ]
      },
      "bbox": [
        -157.7045407,
        21.2917925,
        1.834992707,
        -157.6985508,
        21.29412372,
        94.61499271
      ],
      "properties": {
        "datetime": "2013-09-22T18:18:47Z",
        "pc:count": 378546,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634765.6284,
            "count": 378546,
            "maximum": 634999.9695,
            "minimum": 634380.5895,
            "name": "X",
            "position": 0,
            "stddev": 160.9596199,
            "variance": 25907.99925
          },
          {
            "average": 2355089.234,
            "count": 378546,
            "maximum": 2355251.435,
            "minimum": 2354998.455,
            "name": "Y",
            "position": 1,
            "stddev": 64.42526509,
            "variance": 4150.614781
          },
          {
            "average": 32.08259453,
            "count": 378546,
            "maximum": 94.61499271,
            "minimum": 1.834992707,
            "name": "Z",
            "position": 2,
            "stddev": 30.75705651,
            "variance": 945.9965253
          },
          {
            "average": 22.87282127,
            "count": 378546,
            "maximum": 921,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.12046884,
            "variance": 1233.447332
          },
          {
            "average": 1.368998748,
            "count": 378546,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7159497883,
            "variance": 0.5125840994
          },
          {
            "average": 1.738103163,
            "count": 378546,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.048589753,
            "variance": 1.099540471
          },
          {
            "average": 1,
            "count": 378546,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 378546,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.2396327,
            "count": 378546,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.426859872,
            "variance": 0.1822093504
          },
          {
            "average": 20.40165006,
            "count": 378546,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.19044694,
            "variance": 10.17895168
          },
          {
            "average": 91.25450804,
            "count": 378546,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.64275557,
            "variance": 4308.971359
          },
          {
            "average": 2.591407649,
            "count": 378546,
            "maximum": 11,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.230004254,
            "variance": 4.972918973
          },
          {
            "average": 63874477.97,
            "count": 378546,
            "maximum": 63909127.27,
            "minimum": 63381917.18,
            "name": "GpsTime",
            "position": 12,
            "stddev": 130629.4363,
            "variance": 17064049630.0
          },
          {
            "average": 0,
            "count": 378546,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 378546,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 378546,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 378546,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 378546,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634380.5895,
          2354998.455,
          1.834992707,
          634999.9695,
          2355251.435,
          94.61499271
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634380.589545963,
                2354998.454715208,
                1.834992707447945
              ],
              [
                634380.589545963,
                2355251.4347152086,
                1.834992707447945
              ],
              [
                634999.9695459629,
                2355251.4347152086,
                94.61499270744795
              ],
              [
                634999.9695459629,
                2354998.454715208,
                94.61499270744795
              ],
              [
                634380.589545963,
                2354998.454715208,
                1.834992707447945
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:18:47+00:00",
        "end_time": "2013-09-16T15:51:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3455.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3455.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3455.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3455.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7045407,
            21.2917925,
            1.834992707,
            -157.6985508,
            21.29412372,
            94.61499271
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70454067185125,
                  21.291838544856834,
                  1.834992707447945
                ],
                [
                  -157.7045206468671,
                  21.29412371736063,
                  1.834992707447945
                ],
                [
                  -157.69855075700966,
                  21.294077663082465,
                  94.61499270744795
                ],
                [
                  -157.6985708742433,
                  21.291792495990848,
                  94.61499270744795
                ],
                [
                  -157.70454067185125,
                  21.291838544856834,
                  1.834992707447945
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3455.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3455.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:18:47Z",
            "pc:count": 378546,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634765.6284,
                "count": 378546,
                "maximum": 634999.9695,
                "minimum": 634380.5895,
                "name": "X",
                "position": 0,
                "stddev": 160.9596199,
                "variance": 25907.99925
              },
              {
                "average": 2355089.234,
                "count": 378546,
                "maximum": 2355251.435,
                "minimum": 2354998.455,
                "name": "Y",
                "position": 1,
                "stddev": 64.42526509,
                "variance": 4150.614781
              },
              {
                "average": 32.08259453,
                "count": 378546,
                "maximum": 94.61499271,
                "minimum": 1.834992707,
                "name": "Z",
                "position": 2,
                "stddev": 30.75705651,
                "variance": 945.9965253
              },
              {
                "average": 22.87282127,
                "count": 378546,
                "maximum": 921,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.12046884,
                "variance": 1233.447332
              },
              {
                "average": 1.368998748,
                "count": 378546,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7159497883,
                "variance": 0.5125840994
              },
              {
                "average": 1.738103163,
                "count": 378546,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.048589753,
                "variance": 1.099540471
              },
              {
                "average": 1,
                "count": 378546,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 378546,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.2396327,
                "count": 378546,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.426859872,
                "variance": 0.1822093504
              },
              {
                "average": 20.40165006,
                "count": 378546,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.19044694,
                "variance": 10.17895168
              },
              {
                "average": 91.25450804,
                "count": 378546,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.64275557,
                "variance": 4308.971359
              },
              {
                "average": 2.591407649,
                "count": 378546,
                "maximum": 11,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.230004254,
                "variance": 4.972918973
              },
              {
                "average": 63874477.97,
                "count": 378546,
                "maximum": 63909127.27,
                "minimum": 63381917.18,
                "name": "GpsTime",
                "position": 12,
                "stddev": 130629.4363,
                "variance": 17064049630.0
              },
              {
                "average": 0,
                "count": 378546,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 378546,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 378546,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 378546,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 378546,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634380.5895,
              2354998.455,
              1.834992707,
              634999.9695,
              2355251.435,
              94.61499271
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634380.589545963,
                    2354998.454715208,
                    1.834992707447945
                  ],
                  [
                    634380.589545963,
                    2355251.4347152086,
                    1.834992707447945
                  ],
                  [
                    634999.9695459629,
                    2355251.4347152086,
                    94.61499270744795
                  ],
                  [
                    634999.9695459629,
                    2354998.454715208,
                    94.61499270744795
                  ],
                  [
                    634380.589545963,
                    2354998.454715208,
                    1.834992707447945
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:18:47+00:00",
            "end_time": "2013-09-16T15:51:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3954.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.66009861705672,
              21.282457400566393,
              -31.370541727242454
            ],
            [
              -157.66001676890127,
              21.291490442004495,
              -31.370541727242454
            ],
            [
              -157.65037843627277,
              21.291413441183895,
              -0.31054172724245
            ],
            [
              -157.65046087246878,
              21.282380435537426,
              -0.31054172724245
            ],
            [
              -157.66009861705672,
              21.282457400566393,
              -31.370541727242454
            ]
          ]
        ]
      },
      "bbox": [
        -157.6600986,
        21.28238044,
        -31.37054173,
        -157.6503784,
        21.29149044,
        -0.3105417272
      ],
      "properties": {
        "datetime": "2013-09-22T19:56:58Z",
        "pc:count": 3183164,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 639440.7482,
            "count": 3183164,
            "maximum": 640000.1053,
            "minimum": 639000.0853,
            "name": "X",
            "position": 0,
            "stddev": 276.5100071,
            "variance": 76457.78403
          },
          {
            "average": 2354568.481,
            "count": 3183164,
            "maximum": 2354998.503,
            "minimum": 2353998.483,
            "name": "Y",
            "position": 1,
            "stddev": 273.4105417,
            "variance": 74753.32432
          },
          {
            "average": -11.55961099,
            "count": 3183164,
            "maximum": -0.3105417272,
            "minimum": -31.37054173,
            "name": "Z",
            "position": 2,
            "stddev": 3.997978873,
            "variance": 15.98383507
          },
          {
            "average": 50.1508942,
            "count": 3183164,
            "maximum": 6973,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 155.6066398,
            "variance": 24213.42634
          },
          {
            "average": 1.023195475,
            "count": 3183164,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1539882376,
            "variance": 0.02371237732
          },
          {
            "average": 1.045750392,
            "count": 3183164,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2146816772,
            "variance": 0.04608822253
          },
          {
            "average": 1,
            "count": 3183164,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3183164,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3183164,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.001224,
            "count": 3183164,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.459610996,
            "variance": 19.88813024
          },
          {
            "average": 104.3906767,
            "count": 3183164,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 74.67336008,
            "variance": 5576.110705
          },
          {
            "average": 14.53519266,
            "count": 3183164,
            "maximum": 20,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.009524952,
            "variance": 16.07629034
          },
          {
            "average": 63691067.25,
            "count": 3183164,
            "maximum": 63915018.23,
            "minimum": 63383634.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 261728.8095,
            "variance": 68501969740.0
          },
          {
            "average": 0,
            "count": 3183164,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3183164,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3183164,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3183164,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3183164,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          639000.0853,
          2353998.483,
          -31.37054173,
          640000.1053,
          2354998.503,
          -0.3105417272
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                639000.0853204038,
                2353998.4830973777,
                -31.370541727242454
              ],
              [
                639000.0853204038,
                2354998.5030973773,
                -31.370541727242454
              ],
              [
                640000.1053204038,
                2354998.5030973773,
                -0.31054172724245
              ],
              [
                640000.1053204038,
                2353998.4830973777,
                -0.31054172724245
              ],
              [
                639000.0853204038,
                2353998.4830973777,
                -31.370541727242454
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:56:58+00:00",
        "end_time": "2013-09-16T16:20:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3954.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3954.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3954.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3954.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6600986,
            21.28238044,
            -31.37054173,
            -157.6503784,
            21.29149044,
            -0.3105417272
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.66009861705672,
                  21.282457400566393,
                  -31.370541727242454
                ],
                [
                  -157.66001676890127,
                  21.291490442004495,
                  -31.370541727242454
                ],
                [
                  -157.65037843627277,
                  21.291413441183895,
                  -0.31054172724245
                ],
                [
                  -157.65046087246878,
                  21.282380435537426,
                  -0.31054172724245
                ],
                [
                  -157.66009861705672,
                  21.282457400566393,
                  -31.370541727242454
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3954.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3954.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:56:58Z",
            "pc:count": 3183164,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 639440.7482,
                "count": 3183164,
                "maximum": 640000.1053,
                "minimum": 639000.0853,
                "name": "X",
                "position": 0,
                "stddev": 276.5100071,
                "variance": 76457.78403
              },
              {
                "average": 2354568.481,
                "count": 3183164,
                "maximum": 2354998.503,
                "minimum": 2353998.483,
                "name": "Y",
                "position": 1,
                "stddev": 273.4105417,
                "variance": 74753.32432
              },
              {
                "average": -11.55961099,
                "count": 3183164,
                "maximum": -0.3105417272,
                "minimum": -31.37054173,
                "name": "Z",
                "position": 2,
                "stddev": 3.997978873,
                "variance": 15.98383507
              },
              {
                "average": 50.1508942,
                "count": 3183164,
                "maximum": 6973,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 155.6066398,
                "variance": 24213.42634
              },
              {
                "average": 1.023195475,
                "count": 3183164,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1539882376,
                "variance": 0.02371237732
              },
              {
                "average": 1.045750392,
                "count": 3183164,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2146816772,
                "variance": 0.04608822253
              },
              {
                "average": 1,
                "count": 3183164,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3183164,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3183164,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.001224,
                "count": 3183164,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.459610996,
                "variance": 19.88813024
              },
              {
                "average": 104.3906767,
                "count": 3183164,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 74.67336008,
                "variance": 5576.110705
              },
              {
                "average": 14.53519266,
                "count": 3183164,
                "maximum": 20,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.009524952,
                "variance": 16.07629034
              },
              {
                "average": 63691067.25,
                "count": 3183164,
                "maximum": 63915018.23,
                "minimum": 63383634.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 261728.8095,
                "variance": 68501969740.0
              },
              {
                "average": 0,
                "count": 3183164,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3183164,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3183164,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3183164,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3183164,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              639000.0853,
              2353998.483,
              -31.37054173,
              640000.1053,
              2354998.503,
              -0.3105417272
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    639000.0853204038,
                    2353998.4830973777,
                    -31.370541727242454
                  ],
                  [
                    639000.0853204038,
                    2354998.5030973773,
                    -31.370541727242454
                  ],
                  [
                    640000.1053204038,
                    2354998.5030973773,
                    -0.31054172724245
                  ],
                  [
                    640000.1053204038,
                    2353998.4830973777,
                    -0.31054172724245
                  ],
                  [
                    639000.0853204038,
                    2353998.4830973777,
                    -31.370541727242454
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:56:58+00:00",
            "end_time": "2013-09-16T16:20:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2969.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75533565238123,
              21.418693470364307,
              -2.231322652076358
            ],
            [
              -157.75525899877368,
              21.42772669283702,
              -2.231322652076358
            ],
            [
              -157.74561140143837,
              21.427654709057936,
              129.02867734792363
            ],
            [
              -157.74568864998457,
              21.418621520494536,
              129.02867734792363
            ],
            [
              -157.75533565238123,
              21.418693470364307,
              -2.231322652076358
            ]
          ]
        ]
      },
      "bbox": [
        -157.7553357,
        21.41862152,
        -2.231322652,
        -157.7456114,
        21.42772669,
        129.0286773
      ],
      "properties": {
        "datetime": "2013-09-20T02:19:18Z",
        "pc:count": 7045105,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629453.0777,
            "count": 7045105,
            "maximum": 629999.8587,
            "minimum": 628999.8387,
            "name": "X",
            "position": 0,
            "stddev": 288.038697,
            "variance": 82966.29095
          },
          {
            "average": 2369468.902,
            "count": 7045105,
            "maximum": 2369998.478,
            "minimum": 2368998.458,
            "name": "Y",
            "position": 1,
            "stddev": 292.9459151,
            "variance": 85817.30918
          },
          {
            "average": 23.45412471,
            "count": 7045105,
            "maximum": 129.0286773,
            "minimum": -2.231322652,
            "name": "Z",
            "position": 2,
            "stddev": 22.49526605,
            "variance": 506.0369946
          },
          {
            "average": 20.95028648,
            "count": 7045105,
            "maximum": 941,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.14750852,
            "variance": 1693.117458
          },
          {
            "average": 1.543484448,
            "count": 7045105,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8695712493,
            "variance": 0.7561541577
          },
          {
            "average": 2.089928397,
            "count": 7045105,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.250476235,
            "variance": 1.563690815
          },
          {
            "average": 1,
            "count": 7045105,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7045105,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.248341934,
            "count": 7045105,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.459571266,
            "variance": 2.130348281
          },
          {
            "average": 20.04986231,
            "count": 7045105,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.077643688,
            "variance": 4.316603293
          },
          {
            "average": 91.28394467,
            "count": 7045105,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.28790342,
            "variance": 4394.08614
          },
          {
            "average": 7.03992091,
            "count": 7045105,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.647060536,
            "variance": 2.712808408
          },
          {
            "average": 63657025.05,
            "count": 7045105,
            "maximum": 63678758.7,
            "minimum": 63595180.71,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5469.725085,
            "variance": 29917892.5
          },
          {
            "average": 0,
            "count": 7045105,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7045105,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7045105,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7045105,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7045105,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8387,
          2368998.458,
          -2.231322652,
          629999.8587,
          2369998.478,
          129.0286773
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8387405002,
                2368998.4582521906,
                -2.231322652076358
              ],
              [
                628999.8387405002,
                2369998.47825219,
                -2.231322652076358
              ],
              [
                629999.8587405002,
                2369998.47825219,
                129.02867734792363
              ],
              [
                629999.8587405002,
                2368998.4582521906,
                129.02867734792363
              ],
              [
                628999.8387405002,
                2368998.4582521906,
                -2.231322652076358
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:19:18+00:00",
        "end_time": "2013-09-19T03:06:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2969.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2969.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2969.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2969.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7553357,
            21.41862152,
            -2.231322652,
            -157.7456114,
            21.42772669,
            129.0286773
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75533565238123,
                  21.418693470364307,
                  -2.231322652076358
                ],
                [
                  -157.75525899877368,
                  21.42772669283702,
                  -2.231322652076358
                ],
                [
                  -157.74561140143837,
                  21.427654709057936,
                  129.02867734792363
                ],
                [
                  -157.74568864998457,
                  21.418621520494536,
                  129.02867734792363
                ],
                [
                  -157.75533565238123,
                  21.418693470364307,
                  -2.231322652076358
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2969.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2969.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:19:18Z",
            "pc:count": 7045105,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629453.0777,
                "count": 7045105,
                "maximum": 629999.8587,
                "minimum": 628999.8387,
                "name": "X",
                "position": 0,
                "stddev": 288.038697,
                "variance": 82966.29095
              },
              {
                "average": 2369468.902,
                "count": 7045105,
                "maximum": 2369998.478,
                "minimum": 2368998.458,
                "name": "Y",
                "position": 1,
                "stddev": 292.9459151,
                "variance": 85817.30918
              },
              {
                "average": 23.45412471,
                "count": 7045105,
                "maximum": 129.0286773,
                "minimum": -2.231322652,
                "name": "Z",
                "position": 2,
                "stddev": 22.49526605,
                "variance": 506.0369946
              },
              {
                "average": 20.95028648,
                "count": 7045105,
                "maximum": 941,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.14750852,
                "variance": 1693.117458
              },
              {
                "average": 1.543484448,
                "count": 7045105,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8695712493,
                "variance": 0.7561541577
              },
              {
                "average": 2.089928397,
                "count": 7045105,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.250476235,
                "variance": 1.563690815
              },
              {
                "average": 1,
                "count": 7045105,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7045105,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.248341934,
                "count": 7045105,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.459571266,
                "variance": 2.130348281
              },
              {
                "average": 20.04986231,
                "count": 7045105,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.077643688,
                "variance": 4.316603293
              },
              {
                "average": 91.28394467,
                "count": 7045105,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.28790342,
                "variance": 4394.08614
              },
              {
                "average": 7.03992091,
                "count": 7045105,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.647060536,
                "variance": 2.712808408
              },
              {
                "average": 63657025.05,
                "count": 7045105,
                "maximum": 63678758.7,
                "minimum": 63595180.71,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5469.725085,
                "variance": 29917892.5
              },
              {
                "average": 0,
                "count": 7045105,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7045105,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7045105,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7045105,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7045105,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8387,
              2368998.458,
              -2.231322652,
              629999.8587,
              2369998.478,
              129.0286773
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8387405002,
                    2368998.4582521906,
                    -2.231322652076358
                  ],
                  [
                    628999.8387405002,
                    2369998.47825219,
                    -2.231322652076358
                  ],
                  [
                    629999.8587405002,
                    2369998.47825219,
                    129.02867734792363
                  ],
                  [
                    629999.8587405002,
                    2368998.4582521906,
                    129.02867734792363
                  ],
                  [
                    628999.8387405002,
                    2368998.4582521906,
                    -2.231322652076358
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:19:18+00:00",
            "end_time": "2013-09-19T03:06:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3353.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71800473192985,
              21.27387426175425,
              -4.369448160731459
            ],
            [
              -157.71792646063878,
              21.282907521789085,
              -4.369448160731459
            ],
            [
              -157.7082884626762,
              21.282833864366967,
              28.090551839268542
            ],
            [
              -157.70836732086866,
              21.27380063869287,
              28.090551839268542
            ],
            [
              -157.71800473192985,
              21.27387426175425,
              -4.369448160731459
            ]
          ]
        ]
      },
      "bbox": [
        -157.7180047,
        21.27380064,
        -4.369448161,
        -157.7082885,
        21.28290752,
        28.09055184
      ],
      "properties": {
        "datetime": "2013-09-22T20:17:54Z",
        "pc:count": 3856594,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633501.147,
            "count": 3856594,
            "maximum": 633999.9351,
            "minimum": 632999.9151,
            "name": "X",
            "position": 0,
            "stddev": 323.5644748,
            "variance": 104693.9694
          },
          {
            "average": 2353520.512,
            "count": 3856594,
            "maximum": 2353998.472,
            "minimum": 2352998.452,
            "name": "Y",
            "position": 1,
            "stddev": 264.6967168,
            "variance": 70064.35189
          },
          {
            "average": 1.793565159,
            "count": 3856594,
            "maximum": 28.09055184,
            "minimum": -4.369448161,
            "name": "Z",
            "position": 2,
            "stddev": 4.10408754,
            "variance": 16.84353454
          },
          {
            "average": 12.30722264,
            "count": 3856594,
            "maximum": 8722,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.54253648,
            "variance": 1125.101754
          },
          {
            "average": 1.198228281,
            "count": 3856594,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6026643545,
            "variance": 0.3632043242
          },
          {
            "average": 1.401173419,
            "count": 3856594,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.955192362,
            "variance": 0.9123924484
          },
          {
            "average": 1,
            "count": 3856594,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3856594,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.79359196,
            "count": 3856594,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.42028825,
            "variance": 180.1041366
          },
          {
            "average": 20.24103475,
            "count": 3856594,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.140197769,
            "variance": 9.860842028
          },
          {
            "average": 90.08765714,
            "count": 3856594,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.88347478,
            "variance": 4883.700047
          },
          {
            "average": 10.21146457,
            "count": 3856594,
            "maximum": 21,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.235372779,
            "variance": 17.93838257
          },
          {
            "average": 63913469.41,
            "count": 3856594,
            "maximum": 63916274.58,
            "minimum": 63385400.99,
            "name": "GpsTime",
            "position": 12,
            "stddev": 12963.57173,
            "variance": 168054191.9
          },
          {
            "average": 0,
            "count": 3856594,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3856594,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3856594,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3856594,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3856594,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9151,
          2352998.452,
          -4.369448161,
          633999.9351,
          2353998.472,
          28.09055184
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9150668022,
                2352998.4524176465,
                -4.369448160731459
              ],
              [
                632999.9150668022,
                2353998.472417646,
                -4.369448160731459
              ],
              [
                633999.9350668022,
                2353998.472417646,
                28.090551839268542
              ],
              [
                633999.9350668022,
                2352998.4524176465,
                28.090551839268542
              ],
              [
                632999.9150668022,
                2352998.4524176465,
                -4.369448160731459
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:17:54+00:00",
        "end_time": "2013-09-16T16:50:00+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3353.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3353.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3353.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3353.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7180047,
            21.27380064,
            -4.369448161,
            -157.7082885,
            21.28290752,
            28.09055184
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71800473192985,
                  21.27387426175425,
                  -4.369448160731459
                ],
                [
                  -157.71792646063878,
                  21.282907521789085,
                  -4.369448160731459
                ],
                [
                  -157.7082884626762,
                  21.282833864366967,
                  28.090551839268542
                ],
                [
                  -157.70836732086866,
                  21.27380063869287,
                  28.090551839268542
                ],
                [
                  -157.71800473192985,
                  21.27387426175425,
                  -4.369448160731459
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3353.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3353.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:17:54Z",
            "pc:count": 3856594,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633501.147,
                "count": 3856594,
                "maximum": 633999.9351,
                "minimum": 632999.9151,
                "name": "X",
                "position": 0,
                "stddev": 323.5644748,
                "variance": 104693.9694
              },
              {
                "average": 2353520.512,
                "count": 3856594,
                "maximum": 2353998.472,
                "minimum": 2352998.452,
                "name": "Y",
                "position": 1,
                "stddev": 264.6967168,
                "variance": 70064.35189
              },
              {
                "average": 1.793565159,
                "count": 3856594,
                "maximum": 28.09055184,
                "minimum": -4.369448161,
                "name": "Z",
                "position": 2,
                "stddev": 4.10408754,
                "variance": 16.84353454
              },
              {
                "average": 12.30722264,
                "count": 3856594,
                "maximum": 8722,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.54253648,
                "variance": 1125.101754
              },
              {
                "average": 1.198228281,
                "count": 3856594,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6026643545,
                "variance": 0.3632043242
              },
              {
                "average": 1.401173419,
                "count": 3856594,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.955192362,
                "variance": 0.9123924484
              },
              {
                "average": 1,
                "count": 3856594,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3856594,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.79359196,
                "count": 3856594,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.42028825,
                "variance": 180.1041366
              },
              {
                "average": 20.24103475,
                "count": 3856594,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.140197769,
                "variance": 9.860842028
              },
              {
                "average": 90.08765714,
                "count": 3856594,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.88347478,
                "variance": 4883.700047
              },
              {
                "average": 10.21146457,
                "count": 3856594,
                "maximum": 21,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.235372779,
                "variance": 17.93838257
              },
              {
                "average": 63913469.41,
                "count": 3856594,
                "maximum": 63916274.58,
                "minimum": 63385400.99,
                "name": "GpsTime",
                "position": 12,
                "stddev": 12963.57173,
                "variance": 168054191.9
              },
              {
                "average": 0,
                "count": 3856594,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3856594,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3856594,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3856594,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3856594,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9151,
              2352998.452,
              -4.369448161,
              633999.9351,
              2353998.472,
              28.09055184
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9150668022,
                    2352998.4524176465,
                    -4.369448160731459
                  ],
                  [
                    632999.9150668022,
                    2353998.472417646,
                    -4.369448160731459
                  ],
                  [
                    633999.9350668022,
                    2353998.472417646,
                    28.090551839268542
                  ],
                  [
                    633999.9350668022,
                    2352998.4524176465,
                    28.090551839268542
                  ],
                  [
                    632999.9150668022,
                    2352998.4524176465,
                    -4.369448160731459
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:17:54+00:00",
            "end_time": "2013-09-16T16:50:00+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3855.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.66965529236387,
              21.2915666840113,
              -2.606196590342371
            ],
            [
              -157.66957398779374,
              21.30059975097887,
              -2.606196590342371
            ],
            [
              -157.6599348310495,
              21.300523264582438,
              93.25380340965762
            ],
            [
              -157.6600167240504,
              21.29149023314829,
              93.25380340965762
            ],
            [
              -157.66965529236387,
              21.2915666840113,
              -2.606196590342371
            ]
          ]
        ]
      },
      "bbox": [
        -157.6696553,
        21.29149023,
        -2.60619659,
        -157.6599348,
        21.30059975,
        93.25380341
      ],
      "properties": {
        "datetime": "2013-09-22T19:42:02Z",
        "pc:count": 8066606,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638492.3582,
            "count": 8066606,
            "maximum": 639000.0902,
            "minimum": 638000.0502,
            "name": "X",
            "position": 0,
            "stddev": 285.4442067,
            "variance": 81478.39512
          },
          {
            "average": 2355468.398,
            "count": 8066606,
            "maximum": 2355998.5,
            "minimum": 2354998.48,
            "name": "Y",
            "position": 1,
            "stddev": 296.2770353,
            "variance": 87780.08165
          },
          {
            "average": 16.26273735,
            "count": 8066606,
            "maximum": 93.25380341,
            "minimum": -2.60619659,
            "name": "Z",
            "position": 2,
            "stddev": 15.94311008,
            "variance": 254.182759
          },
          {
            "average": 28.36107776,
            "count": 8066606,
            "maximum": 8260,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 38.05755111,
            "variance": 1448.377197
          },
          {
            "average": 1.409448038,
            "count": 8066606,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8033607526,
            "variance": 0.6453884988
          },
          {
            "average": 1.819656743,
            "count": 8066606,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.215712593,
            "variance": 1.477957109
          },
          {
            "average": 1,
            "count": 8066606,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8066606,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.374711496,
            "count": 8066606,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.045031174,
            "variance": 4.182152504
          },
          {
            "average": 20.30061871,
            "count": 8066606,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.574296829,
            "variance": 6.627004162
          },
          {
            "average": 91.25111788,
            "count": 8066606,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.40571001,
            "variance": 4277.906902
          },
          {
            "average": 6.027912483,
            "count": 8066606,
            "maximum": 29,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.829027571,
            "variance": 8.003397
          },
          {
            "average": 63843943.47,
            "count": 8066606,
            "maximum": 63914122.43,
            "minimum": 63381966.77,
            "name": "GpsTime",
            "position": 12,
            "stddev": 176084.7148,
            "variance": 31005826780.0
          },
          {
            "average": 0,
            "count": 8066606,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8066606,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8066606,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8066606,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8066606,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.0502,
          2354998.48,
          -2.60619659,
          639000.0902,
          2355998.5,
          93.25380341
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.0501699258,
                2354998.4800167335,
                -2.606196590342371
              ],
              [
                638000.0501699258,
                2355998.500016733,
                -2.606196590342371
              ],
              [
                639000.0901699258,
                2355998.500016733,
                93.25380340965762
              ],
              [
                639000.0901699258,
                2354998.4800167335,
                93.25380340965762
              ],
              [
                638000.0501699258,
                2354998.4800167335,
                -2.606196590342371
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:42:02+00:00",
        "end_time": "2013-09-16T15:52:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3855.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3855.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3855.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3855.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6696553,
            21.29149023,
            -2.60619659,
            -157.6599348,
            21.30059975,
            93.25380341
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.66965529236387,
                  21.2915666840113,
                  -2.606196590342371
                ],
                [
                  -157.66957398779374,
                  21.30059975097887,
                  -2.606196590342371
                ],
                [
                  -157.6599348310495,
                  21.300523264582438,
                  93.25380340965762
                ],
                [
                  -157.6600167240504,
                  21.29149023314829,
                  93.25380340965762
                ],
                [
                  -157.66965529236387,
                  21.2915666840113,
                  -2.606196590342371
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3855.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3855.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:42:02Z",
            "pc:count": 8066606,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638492.3582,
                "count": 8066606,
                "maximum": 639000.0902,
                "minimum": 638000.0502,
                "name": "X",
                "position": 0,
                "stddev": 285.4442067,
                "variance": 81478.39512
              },
              {
                "average": 2355468.398,
                "count": 8066606,
                "maximum": 2355998.5,
                "minimum": 2354998.48,
                "name": "Y",
                "position": 1,
                "stddev": 296.2770353,
                "variance": 87780.08165
              },
              {
                "average": 16.26273735,
                "count": 8066606,
                "maximum": 93.25380341,
                "minimum": -2.60619659,
                "name": "Z",
                "position": 2,
                "stddev": 15.94311008,
                "variance": 254.182759
              },
              {
                "average": 28.36107776,
                "count": 8066606,
                "maximum": 8260,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 38.05755111,
                "variance": 1448.377197
              },
              {
                "average": 1.409448038,
                "count": 8066606,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8033607526,
                "variance": 0.6453884988
              },
              {
                "average": 1.819656743,
                "count": 8066606,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.215712593,
                "variance": 1.477957109
              },
              {
                "average": 1,
                "count": 8066606,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8066606,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.374711496,
                "count": 8066606,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.045031174,
                "variance": 4.182152504
              },
              {
                "average": 20.30061871,
                "count": 8066606,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.574296829,
                "variance": 6.627004162
              },
              {
                "average": 91.25111788,
                "count": 8066606,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.40571001,
                "variance": 4277.906902
              },
              {
                "average": 6.027912483,
                "count": 8066606,
                "maximum": 29,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.829027571,
                "variance": 8.003397
              },
              {
                "average": 63843943.47,
                "count": 8066606,
                "maximum": 63914122.43,
                "minimum": 63381966.77,
                "name": "GpsTime",
                "position": 12,
                "stddev": 176084.7148,
                "variance": 31005826780.0
              },
              {
                "average": 0,
                "count": 8066606,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8066606,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8066606,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8066606,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8066606,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.0502,
              2354998.48,
              -2.60619659,
              639000.0902,
              2355998.5,
              93.25380341
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.0501699258,
                    2354998.4800167335,
                    -2.606196590342371
                  ],
                  [
                    638000.0501699258,
                    2355998.500016733,
                    -2.606196590342371
                  ],
                  [
                    639000.0901699258,
                    2355998.500016733,
                    93.25380340965762
                  ],
                  [
                    639000.0901699258,
                    2354998.4800167335,
                    93.25380340965762
                  ],
                  [
                    638000.0501699258,
                    2354998.4800167335,
                    -2.606196590342371
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:42:02+00:00",
            "end_time": "2013-09-16T15:52:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3073.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7453796012287,
              21.454753737650723,
              -25.76085142304238
            ],
            [
              -157.74530226397152,
              21.46378671765414,
              -25.76085142304238
            ],
            [
              -157.73565231868764,
              21.46371404642334,
              52.07914857695762
            ],
            [
              -157.73573024986163,
              21.454681099986523,
              52.07914857695762
            ],
            [
              -157.7453796012287,
              21.454753737650723,
              -25.76085142304238
            ]
          ]
        ]
      },
      "bbox": [
        -157.7453796,
        21.4546811,
        -25.76085142,
        -157.7356523,
        21.46378672,
        52.07914858
      ],
      "properties": {
        "datetime": "2013-09-21T02:22:17Z",
        "pc:count": 3295002,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630519.8653,
            "count": 3295002,
            "maximum": 630999.8816,
            "minimum": 629999.8616,
            "name": "X",
            "position": 0,
            "stddev": 290.1383188,
            "variance": 84180.24401
          },
          {
            "average": 2373380.623,
            "count": 3295002,
            "maximum": 2373998.482,
            "minimum": 2372998.482,
            "name": "Y",
            "position": 1,
            "stddev": 248.7319027,
            "variance": 61867.5594
          },
          {
            "average": -6.243286675,
            "count": 3295002,
            "maximum": 52.07914858,
            "minimum": -25.76085142,
            "name": "Z",
            "position": 2,
            "stddev": 8.826802341,
            "variance": 77.91243956
          },
          {
            "average": 27.79137949,
            "count": 3295002,
            "maximum": 1689,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 63.15494694,
            "variance": 3988.547323
          },
          {
            "average": 1.055990254,
            "count": 3295002,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2714242748,
            "variance": 0.07367113696
          },
          {
            "average": 1.1159887,
            "count": 3295002,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4157308564,
            "variance": 0.172832145
          },
          {
            "average": 1,
            "count": 3295002,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3295002,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 25.93776878,
            "count": 3295002,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.697708133,
            "variance": 75.65012677
          },
          {
            "average": 18.2094387,
            "count": 3295002,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.711608906,
            "variance": 32.62247629
          },
          {
            "average": 101.1842266,
            "count": 3295002,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 74.00587145,
            "variance": 5476.869009
          },
          {
            "average": 19.39086926,
            "count": 3295002,
            "maximum": 22,
            "minimum": 12,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.894320336,
            "variance": 8.377090209
          },
          {
            "average": 63764638.62,
            "count": 3295002,
            "maximum": 63765337.51,
            "minimum": 63762451.03,
            "name": "GpsTime",
            "position": 12,
            "stddev": 760.0587464,
            "variance": 577689.2979
          },
          {
            "average": 0,
            "count": 3295002,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3295002,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3295002,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3295002,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3295002,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8616,
          2372998.482,
          -25.76085142,
          630999.8816,
          2373998.482,
          52.07914858
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.861565491,
                2372998.4824752444,
                -25.76085142304238
              ],
              [
                629999.861565491,
                2373998.4824752444,
                -25.76085142304238
              ],
              [
                630999.881565491,
                2373998.4824752444,
                52.07914857695762
              ],
              [
                630999.881565491,
                2372998.4824752444,
                52.07914857695762
              ],
              [
                629999.861565491,
                2372998.4824752444,
                -25.76085142304238
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:22:17+00:00",
        "end_time": "2013-09-21T01:34:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3073.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3073.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3073.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3073.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7453796,
            21.4546811,
            -25.76085142,
            -157.7356523,
            21.46378672,
            52.07914858
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7453796012287,
                  21.454753737650723,
                  -25.76085142304238
                ],
                [
                  -157.74530226397152,
                  21.46378671765414,
                  -25.76085142304238
                ],
                [
                  -157.73565231868764,
                  21.46371404642334,
                  52.07914857695762
                ],
                [
                  -157.73573024986163,
                  21.454681099986523,
                  52.07914857695762
                ],
                [
                  -157.7453796012287,
                  21.454753737650723,
                  -25.76085142304238
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3073.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3073.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:22:17Z",
            "pc:count": 3295002,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630519.8653,
                "count": 3295002,
                "maximum": 630999.8816,
                "minimum": 629999.8616,
                "name": "X",
                "position": 0,
                "stddev": 290.1383188,
                "variance": 84180.24401
              },
              {
                "average": 2373380.623,
                "count": 3295002,
                "maximum": 2373998.482,
                "minimum": 2372998.482,
                "name": "Y",
                "position": 1,
                "stddev": 248.7319027,
                "variance": 61867.5594
              },
              {
                "average": -6.243286675,
                "count": 3295002,
                "maximum": 52.07914858,
                "minimum": -25.76085142,
                "name": "Z",
                "position": 2,
                "stddev": 8.826802341,
                "variance": 77.91243956
              },
              {
                "average": 27.79137949,
                "count": 3295002,
                "maximum": 1689,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 63.15494694,
                "variance": 3988.547323
              },
              {
                "average": 1.055990254,
                "count": 3295002,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2714242748,
                "variance": 0.07367113696
              },
              {
                "average": 1.1159887,
                "count": 3295002,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4157308564,
                "variance": 0.172832145
              },
              {
                "average": 1,
                "count": 3295002,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3295002,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 25.93776878,
                "count": 3295002,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.697708133,
                "variance": 75.65012677
              },
              {
                "average": 18.2094387,
                "count": 3295002,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.711608906,
                "variance": 32.62247629
              },
              {
                "average": 101.1842266,
                "count": 3295002,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 74.00587145,
                "variance": 5476.869009
              },
              {
                "average": 19.39086926,
                "count": 3295002,
                "maximum": 22,
                "minimum": 12,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.894320336,
                "variance": 8.377090209
              },
              {
                "average": 63764638.62,
                "count": 3295002,
                "maximum": 63765337.51,
                "minimum": 63762451.03,
                "name": "GpsTime",
                "position": 12,
                "stddev": 760.0587464,
                "variance": 577689.2979
              },
              {
                "average": 0,
                "count": 3295002,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3295002,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3295002,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3295002,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3295002,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8616,
              2372998.482,
              -25.76085142,
              630999.8816,
              2373998.482,
              52.07914858
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.861565491,
                    2372998.4824752444,
                    -25.76085142304238
                  ],
                  [
                    629999.861565491,
                    2373998.4824752444,
                    -25.76085142304238
                  ],
                  [
                    630999.881565491,
                    2373998.4824752444,
                    52.07914857695762
                  ],
                  [
                    630999.881565491,
                    2372998.4824752444,
                    52.07914857695762
                  ],
                  [
                    629999.861565491,
                    2372998.4824752444,
                    -25.76085142304238
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:22:17+00:00",
            "end_time": "2013-09-21T01:34:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3354.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71792654952836,
              21.282907345515348,
              -2.652750494412345
            ],
            [
              -157.7178522733158,
              21.29147449008696,
              -2.652750494412345
            ],
            [
              -157.70821352441064,
              21.291400798708217,
              90.48724950558766
            ],
            [
              -157.70828835882122,
              21.282833686620265,
              90.48724950558766
            ],
            [
              -157.71792654952836,
              21.282907345515348,
              -2.652750494412345
            ]
          ]
        ]
      },
      "bbox": [
        -157.7179265,
        21.28283369,
        -2.652750494,
        -157.7082135,
        21.29147449,
        90.48724951
      ],
      "properties": {
        "datetime": "2013-09-22T18:38:54Z",
        "pc:count": 3393759,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633514.5481,
            "count": 3393759,
            "maximum": 633999.946,
            "minimum": 632999.906,
            "name": "X",
            "position": 0,
            "stddev": 281.8271035,
            "variance": 79426.51625
          },
          {
            "average": 2354367.411,
            "count": 3393759,
            "maximum": 2354946.873,
            "minimum": 2353998.453,
            "name": "Y",
            "position": 1,
            "stddev": 238.3615599,
            "variance": 56816.23326
          },
          {
            "average": 6.471457486,
            "count": 3393759,
            "maximum": 90.48724951,
            "minimum": -2.652750494,
            "name": "Z",
            "position": 2,
            "stddev": 7.860310195,
            "variance": 61.78447637
          },
          {
            "average": 32.83604552,
            "count": 3393759,
            "maximum": 3614,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 59.08706158,
            "variance": 3491.280846
          },
          {
            "average": 1.354633019,
            "count": 3393759,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7272108933,
            "variance": 0.5288356833
          },
          {
            "average": 1.717716844,
            "count": 3393759,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.089475919,
            "variance": 1.186957778
          },
          {
            "average": 1,
            "count": 3393759,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3393759,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.437260572,
            "count": 3393759,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.429905144,
            "variance": 5.904439007
          },
          {
            "average": 20.14269037,
            "count": 3393759,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.384463763,
            "variance": 5.685667437
          },
          {
            "average": 91.78789213,
            "count": 3393759,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.16602858,
            "variance": 4246.611281
          },
          {
            "average": 5.327122226,
            "count": 3393759,
            "maximum": 13,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.801377508,
            "variance": 14.45047096
          },
          {
            "average": 63757238.66,
            "count": 3393759,
            "maximum": 63910334.19,
            "minimum": 63381881.02,
            "name": "GpsTime",
            "position": 12,
            "stddev": 239049.8526,
            "variance": 57144832030.0
          },
          {
            "average": 0,
            "count": 3393759,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3393759,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3393759,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3393759,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3393759,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.906,
          2353998.453,
          -2.652750494,
          633999.946,
          2354946.873,
          90.48724951
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9060029379,
                2353998.4528297605,
                -2.652750494412345
              ],
              [
                632999.9060029379,
                2354946.8728297604,
                -2.652750494412345
              ],
              [
                633999.946002938,
                2354946.8728297604,
                90.48724950558766
              ],
              [
                633999.946002938,
                2353998.4528297605,
                90.48724950558766
              ],
              [
                632999.9060029379,
                2353998.4528297605,
                -2.652750494412345
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:38:54+00:00",
        "end_time": "2013-09-16T15:51:21+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3354.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3354.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3354.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3354.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7179265,
            21.28283369,
            -2.652750494,
            -157.7082135,
            21.29147449,
            90.48724951
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71792654952836,
                  21.282907345515348,
                  -2.652750494412345
                ],
                [
                  -157.7178522733158,
                  21.29147449008696,
                  -2.652750494412345
                ],
                [
                  -157.70821352441064,
                  21.291400798708217,
                  90.48724950558766
                ],
                [
                  -157.70828835882122,
                  21.282833686620265,
                  90.48724950558766
                ],
                [
                  -157.71792654952836,
                  21.282907345515348,
                  -2.652750494412345
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3354.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3354.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:38:54Z",
            "pc:count": 3393759,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633514.5481,
                "count": 3393759,
                "maximum": 633999.946,
                "minimum": 632999.906,
                "name": "X",
                "position": 0,
                "stddev": 281.8271035,
                "variance": 79426.51625
              },
              {
                "average": 2354367.411,
                "count": 3393759,
                "maximum": 2354946.873,
                "minimum": 2353998.453,
                "name": "Y",
                "position": 1,
                "stddev": 238.3615599,
                "variance": 56816.23326
              },
              {
                "average": 6.471457486,
                "count": 3393759,
                "maximum": 90.48724951,
                "minimum": -2.652750494,
                "name": "Z",
                "position": 2,
                "stddev": 7.860310195,
                "variance": 61.78447637
              },
              {
                "average": 32.83604552,
                "count": 3393759,
                "maximum": 3614,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 59.08706158,
                "variance": 3491.280846
              },
              {
                "average": 1.354633019,
                "count": 3393759,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7272108933,
                "variance": 0.5288356833
              },
              {
                "average": 1.717716844,
                "count": 3393759,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.089475919,
                "variance": 1.186957778
              },
              {
                "average": 1,
                "count": 3393759,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3393759,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.437260572,
                "count": 3393759,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.429905144,
                "variance": 5.904439007
              },
              {
                "average": 20.14269037,
                "count": 3393759,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.384463763,
                "variance": 5.685667437
              },
              {
                "average": 91.78789213,
                "count": 3393759,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.16602858,
                "variance": 4246.611281
              },
              {
                "average": 5.327122226,
                "count": 3393759,
                "maximum": 13,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.801377508,
                "variance": 14.45047096
              },
              {
                "average": 63757238.66,
                "count": 3393759,
                "maximum": 63910334.19,
                "minimum": 63381881.02,
                "name": "GpsTime",
                "position": 12,
                "stddev": 239049.8526,
                "variance": 57144832030.0
              },
              {
                "average": 0,
                "count": 3393759,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3393759,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3393759,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3393759,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3393759,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.906,
              2353998.453,
              -2.652750494,
              633999.946,
              2354946.873,
              90.48724951
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9060029379,
                    2353998.4528297605,
                    -2.652750494412345
                  ],
                  [
                    632999.9060029379,
                    2354946.8728297604,
                    -2.652750494412345
                  ],
                  [
                    633999.946002938,
                    2354946.8728297604,
                    90.48724950558766
                  ],
                  [
                    633999.946002938,
                    2353998.4528297605,
                    90.48724950558766
                  ],
                  [
                    632999.9060029379,
                    2353998.4528297605,
                    -2.652750494412345
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:38:54+00:00",
            "end_time": "2013-09-16T15:51:21+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3253.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.727642338732,
              21.273947353305783,
              -6.7269948646193
            ],
            [
              -157.7275646543386,
              21.282980466905162,
              -6.7269948646193
            ],
            [
              -157.71792642361652,
              21.28290735902991,
              21.6930051353807
            ],
            [
              -157.71800469334414,
              21.273874279656727,
              21.6930051353807
            ],
            [
              -157.727642338732,
              21.273947353305783,
              -6.7269948646193
            ]
          ]
        ]
      },
      "bbox": [
        -157.7276423,
        21.27387428,
        -6.726994865,
        -157.7179264,
        21.28298047,
        21.69300514
      ],
      "properties": {
        "datetime": "2013-09-22T20:17:38Z",
        "pc:count": 4580973,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632506.5857,
            "count": 4580973,
            "maximum": 632999.9191,
            "minimum": 631999.8791,
            "name": "X",
            "position": 0,
            "stddev": 282.4643932,
            "variance": 79786.13341
          },
          {
            "average": 2353475.498,
            "count": 4580973,
            "maximum": 2353998.454,
            "minimum": 2352998.454,
            "name": "Y",
            "position": 1,
            "stddev": 307.1009285,
            "variance": 94310.98031
          },
          {
            "average": -0.09872613656,
            "count": 4580973,
            "maximum": 21.69300514,
            "minimum": -6.726994865,
            "name": "Z",
            "position": 2,
            "stddev": 1.999797816,
            "variance": 3.999191306
          },
          {
            "average": 3.26004148,
            "count": 4580973,
            "maximum": 8842,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.9186807,
            "variance": 357.9164794
          },
          {
            "average": 1.089335825,
            "count": 4580973,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4230939184,
            "variance": 0.1790084638
          },
          {
            "average": 1.177170003,
            "count": 4580973,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6827917144,
            "variance": 0.4662045253
          },
          {
            "average": 1,
            "count": 4580973,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4580973,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.85599282,
            "count": 4580973,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.421652875,
            "variance": 55.0809314
          },
          {
            "average": 20.25141453,
            "count": 4580973,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.82032666,
            "variance": 7.954242471
          },
          {
            "average": 90.4035826,
            "count": 4580973,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.04491913,
            "variance": 4630.11102
          },
          {
            "average": 8.199249373,
            "count": 4580973,
            "maximum": 15,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.484273059,
            "variance": 20.10870486
          },
          {
            "average": 63881987.96,
            "count": 4580973,
            "maximum": 63916258.5,
            "minimum": 63381863.01,
            "name": "GpsTime",
            "position": 12,
            "stddev": 123527.0722,
            "variance": 15258937580.0
          },
          {
            "average": 0,
            "count": 4580973,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4580973,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4580973,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4580973,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4580973,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.8791,
          2352998.454,
          -6.726994865,
          632999.9191,
          2353998.454,
          21.69300514
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.8790542636,
                2352998.4544319026,
                -6.7269948646193
              ],
              [
                631999.8790542636,
                2353998.4544319026,
                -6.7269948646193
              ],
              [
                632999.9190542636,
                2353998.4544319026,
                21.6930051353807
              ],
              [
                632999.9190542636,
                2352998.4544319026,
                21.6930051353807
              ],
              [
                631999.8790542636,
                2352998.4544319026,
                -6.7269948646193
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:17:38+00:00",
        "end_time": "2013-09-16T15:51:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3253.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3253.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3253.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3253.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7276423,
            21.27387428,
            -6.726994865,
            -157.7179264,
            21.28298047,
            21.69300514
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.727642338732,
                  21.273947353305783,
                  -6.7269948646193
                ],
                [
                  -157.7275646543386,
                  21.282980466905162,
                  -6.7269948646193
                ],
                [
                  -157.71792642361652,
                  21.28290735902991,
                  21.6930051353807
                ],
                [
                  -157.71800469334414,
                  21.273874279656727,
                  21.6930051353807
                ],
                [
                  -157.727642338732,
                  21.273947353305783,
                  -6.7269948646193
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3253.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3253.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:17:38Z",
            "pc:count": 4580973,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632506.5857,
                "count": 4580973,
                "maximum": 632999.9191,
                "minimum": 631999.8791,
                "name": "X",
                "position": 0,
                "stddev": 282.4643932,
                "variance": 79786.13341
              },
              {
                "average": 2353475.498,
                "count": 4580973,
                "maximum": 2353998.454,
                "minimum": 2352998.454,
                "name": "Y",
                "position": 1,
                "stddev": 307.1009285,
                "variance": 94310.98031
              },
              {
                "average": -0.09872613656,
                "count": 4580973,
                "maximum": 21.69300514,
                "minimum": -6.726994865,
                "name": "Z",
                "position": 2,
                "stddev": 1.999797816,
                "variance": 3.999191306
              },
              {
                "average": 3.26004148,
                "count": 4580973,
                "maximum": 8842,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.9186807,
                "variance": 357.9164794
              },
              {
                "average": 1.089335825,
                "count": 4580973,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4230939184,
                "variance": 0.1790084638
              },
              {
                "average": 1.177170003,
                "count": 4580973,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6827917144,
                "variance": 0.4662045253
              },
              {
                "average": 1,
                "count": 4580973,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4580973,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.85599282,
                "count": 4580973,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.421652875,
                "variance": 55.0809314
              },
              {
                "average": 20.25141453,
                "count": 4580973,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.82032666,
                "variance": 7.954242471
              },
              {
                "average": 90.4035826,
                "count": 4580973,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.04491913,
                "variance": 4630.11102
              },
              {
                "average": 8.199249373,
                "count": 4580973,
                "maximum": 15,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.484273059,
                "variance": 20.10870486
              },
              {
                "average": 63881987.96,
                "count": 4580973,
                "maximum": 63916258.5,
                "minimum": 63381863.01,
                "name": "GpsTime",
                "position": 12,
                "stddev": 123527.0722,
                "variance": 15258937580.0
              },
              {
                "average": 0,
                "count": 4580973,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4580973,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4580973,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4580973,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4580973,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.8791,
              2352998.454,
              -6.726994865,
              632999.9191,
              2353998.454,
              21.69300514
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.8790542636,
                    2352998.4544319026,
                    -6.7269948646193
                  ],
                  [
                    631999.8790542636,
                    2353998.4544319026,
                    -6.7269948646193
                  ],
                  [
                    632999.9190542636,
                    2353998.4544319026,
                    21.6930051353807
                  ],
                  [
                    632999.9190542636,
                    2352998.4544319026,
                    21.6930051353807
                  ],
                  [
                    631999.8790542636,
                    2352998.4544319026,
                    -6.7269948646193
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:17:38+00:00",
            "end_time": "2013-09-16T15:51:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3459.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7078923805633,
              21.328118255254083,
              1.127363134956177
            ],
            [
              -157.70781431453935,
              21.337032004927167,
              1.127363134956177
            ],
            [
              -157.6981726287375,
              21.33695758780493,
              55.78736313495618
            ],
            [
              -157.69825127866673,
              21.32804387203413,
              55.78736313495618
            ],
            [
              -157.7078923805633,
              21.328118255254083,
              1.127363134956177
            ]
          ]
        ]
      },
      "bbox": [
        -157.7078924,
        21.32804387,
        1.127363135,
        -157.6981726,
        21.337032,
        55.78736313
      ],
      "properties": {
        "datetime": "2013-09-21T00:54:57Z",
        "pc:count": 8227066,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634571.5628,
            "count": 8227066,
            "maximum": 634999.9788,
            "minimum": 633999.9388,
            "name": "X",
            "position": 0,
            "stddev": 257.3411962,
            "variance": 66224.49128
          },
          {
            "average": 2359652.979,
            "count": 8227066,
            "maximum": 2359998.481,
            "minimum": 2359011.681,
            "name": "Y",
            "position": 1,
            "stddev": 210.9278934,
            "variance": 44490.5762
          },
          {
            "average": 11.75484628,
            "count": 8227066,
            "maximum": 55.78736313,
            "minimum": 1.127363135,
            "name": "Z",
            "position": 2,
            "stddev": 6.639615063,
            "variance": 44.08448818
          },
          {
            "average": 16.36796897,
            "count": 8227066,
            "maximum": 933,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 31.33797431,
            "variance": 982.068634
          },
          {
            "average": 1.730618303,
            "count": 8227066,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9978736907,
            "variance": 0.9957519026
          },
          {
            "average": 2.461387814,
            "count": 8227066,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.381771563,
            "variance": 1.909292653
          },
          {
            "average": 1,
            "count": 8227066,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8227066,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.132227334,
            "count": 8227066,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3387377743,
            "variance": 0.1147432797
          },
          {
            "average": 20.15974941,
            "count": 8227066,
            "maximum": 36,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.585347004,
            "variance": 12.85471314
          },
          {
            "average": 91.16085005,
            "count": 8227066,
            "maximum": 198,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.98601402,
            "variance": 4487.126074
          },
          {
            "average": 3.446138271,
            "count": 8227066,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.130580375,
            "variance": 1.278211984
          },
          {
            "average": 63724143.45,
            "count": 8227066,
            "maximum": 63760097.96,
            "minimum": 63650241.73,
            "name": "GpsTime",
            "position": 12,
            "stddev": 50686.16919,
            "variance": 2569087747
          },
          {
            "average": 0,
            "count": 8227066,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8227066,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8227066,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8227066,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8227066,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9388,
          2359011.681,
          1.127363135,
          634999.9788,
          2359998.481,
          55.78736313
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.9388406862,
                2359011.680619348,
                1.127363134956177
              ],
              [
                633999.9388406862,
                2359998.4806193477,
                1.127363134956177
              ],
              [
                634999.9788406863,
                2359998.4806193477,
                55.78736313495618
              ],
              [
                634999.9788406863,
                2359011.680619348,
                55.78736313495618
              ],
              [
                633999.9388406862,
                2359011.680619348,
                1.127363134956177
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:54:57+00:00",
        "end_time": "2013-09-19T18:24:01+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3459.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3459.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3459.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3459.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7078924,
            21.32804387,
            1.127363135,
            -157.6981726,
            21.337032,
            55.78736313
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7078923805633,
                  21.328118255254083,
                  1.127363134956177
                ],
                [
                  -157.70781431453935,
                  21.337032004927167,
                  1.127363134956177
                ],
                [
                  -157.6981726287375,
                  21.33695758780493,
                  55.78736313495618
                ],
                [
                  -157.69825127866673,
                  21.32804387203413,
                  55.78736313495618
                ],
                [
                  -157.7078923805633,
                  21.328118255254083,
                  1.127363134956177
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3459.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3459.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:54:57Z",
            "pc:count": 8227066,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634571.5628,
                "count": 8227066,
                "maximum": 634999.9788,
                "minimum": 633999.9388,
                "name": "X",
                "position": 0,
                "stddev": 257.3411962,
                "variance": 66224.49128
              },
              {
                "average": 2359652.979,
                "count": 8227066,
                "maximum": 2359998.481,
                "minimum": 2359011.681,
                "name": "Y",
                "position": 1,
                "stddev": 210.9278934,
                "variance": 44490.5762
              },
              {
                "average": 11.75484628,
                "count": 8227066,
                "maximum": 55.78736313,
                "minimum": 1.127363135,
                "name": "Z",
                "position": 2,
                "stddev": 6.639615063,
                "variance": 44.08448818
              },
              {
                "average": 16.36796897,
                "count": 8227066,
                "maximum": 933,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 31.33797431,
                "variance": 982.068634
              },
              {
                "average": 1.730618303,
                "count": 8227066,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9978736907,
                "variance": 0.9957519026
              },
              {
                "average": 2.461387814,
                "count": 8227066,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.381771563,
                "variance": 1.909292653
              },
              {
                "average": 1,
                "count": 8227066,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8227066,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.132227334,
                "count": 8227066,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3387377743,
                "variance": 0.1147432797
              },
              {
                "average": 20.15974941,
                "count": 8227066,
                "maximum": 36,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.585347004,
                "variance": 12.85471314
              },
              {
                "average": 91.16085005,
                "count": 8227066,
                "maximum": 198,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.98601402,
                "variance": 4487.126074
              },
              {
                "average": 3.446138271,
                "count": 8227066,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.130580375,
                "variance": 1.278211984
              },
              {
                "average": 63724143.45,
                "count": 8227066,
                "maximum": 63760097.96,
                "minimum": 63650241.73,
                "name": "GpsTime",
                "position": 12,
                "stddev": 50686.16919,
                "variance": 2569087747
              },
              {
                "average": 0,
                "count": 8227066,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8227066,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8227066,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8227066,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8227066,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9388,
              2359011.681,
              1.127363135,
              634999.9788,
              2359998.481,
              55.78736313
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.9388406862,
                    2359011.680619348,
                    1.127363134956177
                  ],
                  [
                    633999.9388406862,
                    2359998.4806193477,
                    1.127363134956177
                  ],
                  [
                    634999.9788406863,
                    2359998.4806193477,
                    55.78736313495618
                  ],
                  [
                    634999.9788406863,
                    2359011.680619348,
                    55.78736313495618
                  ],
                  [
                    633999.9388406862,
                    2359011.680619348,
                    1.127363134956177
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:54:57+00:00",
            "end_time": "2013-09-19T18:24:01+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3560.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.69817271198613,
              21.336957496010037,
              -8.254596294571005
            ],
            [
              -157.69809297633464,
              21.34599061681342,
              -8.254596294571005
            ],
            [
              -157.6884507415034,
              21.345915612169993,
              33.885403705429
            ],
            [
              -157.68853106975484,
              21.336882525937597,
              33.885403705429
            ],
            [
              -157.69817271198613,
              21.336957496010037,
              -8.254596294571005
            ]
          ]
        ]
      },
      "bbox": [
        -157.6981727,
        21.33688253,
        -8.254596295,
        -157.6884507,
        21.34599062,
        33.88540371
      ],
      "properties": {
        "datetime": "2013-09-21T00:16:31Z",
        "pc:count": 6546568,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635510.7972,
            "count": 6546568,
            "maximum": 636000.0103,
            "minimum": 634999.9703,
            "name": "X",
            "position": 0,
            "stddev": 276.3762009,
            "variance": 76383.80445
          },
          {
            "average": 2360421.468,
            "count": 6546568,
            "maximum": 2360998.49,
            "minimum": 2359998.47,
            "name": "Y",
            "position": 1,
            "stddev": 287.4451088,
            "variance": 82624.69055
          },
          {
            "average": -3.180955459,
            "count": 6546568,
            "maximum": 33.88540371,
            "minimum": -8.254596295,
            "name": "Z",
            "position": 2,
            "stddev": 3.145032221,
            "variance": 9.891227674
          },
          {
            "average": 19.72598711,
            "count": 6546568,
            "maximum": 8900,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 53.08385044,
            "variance": 2817.895177
          },
          {
            "average": 1.05444135,
            "count": 6546568,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.310057596,
            "variance": 0.09613571282
          },
          {
            "average": 1.094761408,
            "count": 6546568,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.480346524,
            "variance": 0.2307327831
          },
          {
            "average": 1,
            "count": 6546568,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6546568,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 27.53187166,
            "count": 6546568,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 6.225637539,
            "variance": 38.75856277
          },
          {
            "average": 20.14638852,
            "count": 6546568,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.321625088,
            "variance": 5.389943047
          },
          {
            "average": 91.57200231,
            "count": 6546568,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.16246875,
            "variance": 4377.472271
          },
          {
            "average": 5.404050489,
            "count": 6546568,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.68342451,
            "variance": 7.2007671
          },
          {
            "average": 63694361.73,
            "count": 6546568,
            "maximum": 63757791.72,
            "minimum": 63590531.89,
            "name": "GpsTime",
            "position": 12,
            "stddev": 71369.46443,
            "variance": 5093600453
          },
          {
            "average": 0,
            "count": 6546568,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6546568,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6546568,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6546568,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6546568,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9703,
          2359998.47,
          -8.254596295,
          636000.0103,
          2360998.49,
          33.88540371
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9702906955,
                2359998.4703864185,
                -8.254596294571005
              ],
              [
                634999.9702906955,
                2360998.490386418,
                -8.254596294571005
              ],
              [
                636000.0102906956,
                2360998.490386418,
                33.885403705429
              ],
              [
                636000.0102906956,
                2359998.4703864185,
                33.885403705429
              ],
              [
                634999.9702906955,
                2359998.4703864185,
                -8.254596294571005
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:16:31+00:00",
        "end_time": "2013-09-19T01:48:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3560.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3560.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3560.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3560.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6981727,
            21.33688253,
            -8.254596295,
            -157.6884507,
            21.34599062,
            33.88540371
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.69817271198613,
                  21.336957496010037,
                  -8.254596294571005
                ],
                [
                  -157.69809297633464,
                  21.34599061681342,
                  -8.254596294571005
                ],
                [
                  -157.6884507415034,
                  21.345915612169993,
                  33.885403705429
                ],
                [
                  -157.68853106975484,
                  21.336882525937597,
                  33.885403705429
                ],
                [
                  -157.69817271198613,
                  21.336957496010037,
                  -8.254596294571005
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3560.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3560.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:16:31Z",
            "pc:count": 6546568,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635510.7972,
                "count": 6546568,
                "maximum": 636000.0103,
                "minimum": 634999.9703,
                "name": "X",
                "position": 0,
                "stddev": 276.3762009,
                "variance": 76383.80445
              },
              {
                "average": 2360421.468,
                "count": 6546568,
                "maximum": 2360998.49,
                "minimum": 2359998.47,
                "name": "Y",
                "position": 1,
                "stddev": 287.4451088,
                "variance": 82624.69055
              },
              {
                "average": -3.180955459,
                "count": 6546568,
                "maximum": 33.88540371,
                "minimum": -8.254596295,
                "name": "Z",
                "position": 2,
                "stddev": 3.145032221,
                "variance": 9.891227674
              },
              {
                "average": 19.72598711,
                "count": 6546568,
                "maximum": 8900,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 53.08385044,
                "variance": 2817.895177
              },
              {
                "average": 1.05444135,
                "count": 6546568,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.310057596,
                "variance": 0.09613571282
              },
              {
                "average": 1.094761408,
                "count": 6546568,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.480346524,
                "variance": 0.2307327831
              },
              {
                "average": 1,
                "count": 6546568,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6546568,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 27.53187166,
                "count": 6546568,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 6.225637539,
                "variance": 38.75856277
              },
              {
                "average": 20.14638852,
                "count": 6546568,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.321625088,
                "variance": 5.389943047
              },
              {
                "average": 91.57200231,
                "count": 6546568,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.16246875,
                "variance": 4377.472271
              },
              {
                "average": 5.404050489,
                "count": 6546568,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.68342451,
                "variance": 7.2007671
              },
              {
                "average": 63694361.73,
                "count": 6546568,
                "maximum": 63757791.72,
                "minimum": 63590531.89,
                "name": "GpsTime",
                "position": 12,
                "stddev": 71369.46443,
                "variance": 5093600453
              },
              {
                "average": 0,
                "count": 6546568,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6546568,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6546568,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6546568,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6546568,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9703,
              2359998.47,
              -8.254596295,
              636000.0103,
              2360998.49,
              33.88540371
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9702906955,
                    2359998.4703864185,
                    -8.254596294571005
                  ],
                  [
                    634999.9702906955,
                    2360998.490386418,
                    -8.254596294571005
                  ],
                  [
                    636000.0102906956,
                    2360998.490386418,
                    33.885403705429
                  ],
                  [
                    636000.0102906956,
                    2359998.4703864185,
                    33.885403705429
                  ],
                  [
                    634999.9702906955,
                    2359998.4703864185,
                    -8.254596294571005
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:16:31+00:00",
            "end_time": "2013-09-19T01:48:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3955.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.66001681883318,
              21.291490276108355,
              -16.322452721122787
            ],
            [
              -157.6599349258379,
              21.300523307542807,
              -16.322452721122787
            ],
            [
              -157.650295812107,
              21.300446269384153,
              92.55754727887721
            ],
            [
              -157.65037829345295,
              21.291413273745686,
              92.55754727887721
            ],
            [
              -157.66001681883318,
              21.291490276108355,
              -16.322452721122787
            ]
          ]
        ]
      },
      "bbox": [
        -157.6600168,
        21.29141327,
        -16.32245272,
        -157.6502958,
        21.30052331,
        92.55754728
      ],
      "properties": {
        "datetime": "2013-09-22T19:48:32Z",
        "pc:count": 6367807,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 639497.1097,
            "count": 6367807,
            "maximum": 640000.1203,
            "minimum": 639000.0803,
            "name": "X",
            "position": 0,
            "stddev": 291.015019,
            "variance": 84689.74129
          },
          {
            "average": 2355509.897,
            "count": 6367807,
            "maximum": 2355998.505,
            "minimum": 2354998.485,
            "name": "Y",
            "position": 1,
            "stddev": 281.6462097,
            "variance": 79324.58745
          },
          {
            "average": 2.923098099,
            "count": 6367807,
            "maximum": 92.55754728,
            "minimum": -16.32245272,
            "name": "Z",
            "position": 2,
            "stddev": 16.76161594,
            "variance": 280.9517691
          },
          {
            "average": 17.08280606,
            "count": 6367807,
            "maximum": 8438,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 32.73110944,
            "variance": 1071.325525
          },
          {
            "average": 1.105743155,
            "count": 6367807,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4031660912,
            "variance": 0.1625428971
          },
          {
            "average": 1.212030924,
            "count": 6367807,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6251564632,
            "variance": 0.3908206035
          },
          {
            "average": 1,
            "count": 6367807,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6367807,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.6639983,
            "count": 6367807,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.78980614,
            "variance": 190.1587534
          },
          {
            "average": 20.07726582,
            "count": 6367807,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.676567436,
            "variance": 7.164013241
          },
          {
            "average": 91.14579588,
            "count": 6367807,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.15336323,
            "variance": 4244.96074
          },
          {
            "average": 6.829022927,
            "count": 6367807,
            "maximum": 29,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.091550378,
            "variance": 9.557683743
          },
          {
            "average": 63901143.99,
            "count": 6367807,
            "maximum": 63914512.93,
            "minimum": 63381983.74,
            "name": "GpsTime",
            "position": 12,
            "stddev": 74710.43158,
            "variance": 5581648587
          },
          {
            "average": 0,
            "count": 6367807,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6367807,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6367807,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6367807,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6367807,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          639000.0803,
          2354998.485,
          -16.32245272,
          640000.1203,
          2355998.505,
          92.55754728
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                639000.080296125,
                2354998.484688845,
                -16.322452721122787
              ],
              [
                639000.080296125,
                2355998.5046888446,
                -16.322452721122787
              ],
              [
                640000.1202961251,
                2355998.5046888446,
                92.55754727887721
              ],
              [
                640000.1202961251,
                2354998.484688845,
                92.55754727887721
              ],
              [
                639000.080296125,
                2354998.484688845,
                -16.322452721122787
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:48:32+00:00",
        "end_time": "2013-09-16T15:53:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3955.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3955.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3955.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3955.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6600168,
            21.29141327,
            -16.32245272,
            -157.6502958,
            21.30052331,
            92.55754728
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.66001681883318,
                  21.291490276108355,
                  -16.322452721122787
                ],
                [
                  -157.6599349258379,
                  21.300523307542807,
                  -16.322452721122787
                ],
                [
                  -157.650295812107,
                  21.300446269384153,
                  92.55754727887721
                ],
                [
                  -157.65037829345295,
                  21.291413273745686,
                  92.55754727887721
                ],
                [
                  -157.66001681883318,
                  21.291490276108355,
                  -16.322452721122787
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3955.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3955.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:48:32Z",
            "pc:count": 6367807,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 639497.1097,
                "count": 6367807,
                "maximum": 640000.1203,
                "minimum": 639000.0803,
                "name": "X",
                "position": 0,
                "stddev": 291.015019,
                "variance": 84689.74129
              },
              {
                "average": 2355509.897,
                "count": 6367807,
                "maximum": 2355998.505,
                "minimum": 2354998.485,
                "name": "Y",
                "position": 1,
                "stddev": 281.6462097,
                "variance": 79324.58745
              },
              {
                "average": 2.923098099,
                "count": 6367807,
                "maximum": 92.55754728,
                "minimum": -16.32245272,
                "name": "Z",
                "position": 2,
                "stddev": 16.76161594,
                "variance": 280.9517691
              },
              {
                "average": 17.08280606,
                "count": 6367807,
                "maximum": 8438,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 32.73110944,
                "variance": 1071.325525
              },
              {
                "average": 1.105743155,
                "count": 6367807,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4031660912,
                "variance": 0.1625428971
              },
              {
                "average": 1.212030924,
                "count": 6367807,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6251564632,
                "variance": 0.3908206035
              },
              {
                "average": 1,
                "count": 6367807,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6367807,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.6639983,
                "count": 6367807,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.78980614,
                "variance": 190.1587534
              },
              {
                "average": 20.07726582,
                "count": 6367807,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.676567436,
                "variance": 7.164013241
              },
              {
                "average": 91.14579588,
                "count": 6367807,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.15336323,
                "variance": 4244.96074
              },
              {
                "average": 6.829022927,
                "count": 6367807,
                "maximum": 29,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.091550378,
                "variance": 9.557683743
              },
              {
                "average": 63901143.99,
                "count": 6367807,
                "maximum": 63914512.93,
                "minimum": 63381983.74,
                "name": "GpsTime",
                "position": 12,
                "stddev": 74710.43158,
                "variance": 5581648587
              },
              {
                "average": 0,
                "count": 6367807,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6367807,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6367807,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6367807,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6367807,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              639000.0803,
              2354998.485,
              -16.32245272,
              640000.1203,
              2355998.505,
              92.55754728
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    639000.080296125,
                    2354998.484688845,
                    -16.322452721122787
                  ],
                  [
                    639000.080296125,
                    2355998.5046888446,
                    -16.322452721122787
                  ],
                  [
                    640000.1202961251,
                    2355998.5046888446,
                    92.55754727887721
                  ],
                  [
                    640000.1202961251,
                    2354998.484688845,
                    92.55754727887721
                  ],
                  [
                    639000.080296125,
                    2354998.484688845,
                    -16.322452721122787
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:48:32+00:00",
            "end_time": "2013-09-16T15:53:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3074.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.74530225217282,
              21.46378677828547,
              -46.907349344874504
            ],
            [
              -157.74523144744396,
              21.472052670227875,
              -46.907349344874504
            ],
            [
              -157.73558095809648,
              21.471979968267092,
              -20.627349344874503
            ],
            [
              -157.73565230688504,
              21.463714107053796,
              -20.627349344874503
            ],
            [
              -157.74530225217282,
              21.46378677828547,
              -46.907349344874504
            ]
          ]
        ]
      },
      "bbox": [
        -157.7453023,
        21.46371411,
        -46.90734934,
        -157.735581,
        21.47205267,
        -20.62734934
      ],
      "properties": {
        "datetime": "2013-09-21T02:17:10Z",
        "pc:count": 381248,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 630513.4303,
            "count": 381248,
            "maximum": 630999.8827,
            "minimum": 629999.8627,
            "name": "X",
            "position": 0,
            "stddev": 295.6784371,
            "variance": 87425.73816
          },
          {
            "average": 2374259.779,
            "count": 381248,
            "maximum": 2374913.569,
            "minimum": 2373998.489,
            "name": "Y",
            "position": 1,
            "stddev": 161.0383119,
            "variance": 25933.33791
          },
          {
            "average": -30.54561995,
            "count": 381248,
            "maximum": -20.62734934,
            "minimum": -46.90734934,
            "name": "Z",
            "position": 2,
            "stddev": 3.954506579,
            "variance": 15.63812229
          },
          {
            "average": 439.6933754,
            "count": 381248,
            "maximum": 1341,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 136.9146732,
            "variance": 18745.62775
          },
          {
            "average": 1.000049836,
            "count": 381248,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.007059318244,
            "variance": 4.983397406e-05
          },
          {
            "average": 1.000049836,
            "count": 381248,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.007059318244,
            "variance": 4.983397406e-05
          },
          {
            "average": 1,
            "count": 381248,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 381248,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 381248,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.23483995,
            "count": 381248,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.443737989,
            "variance": 89.1841872
          },
          {
            "average": 249.0049233,
            "count": 381248,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.06999341711,
            "variance": 0.004899078438
          },
          {
            "average": 17.6365358,
            "count": 381248,
            "maximum": 21,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.339426006,
            "variance": 1.794062027
          },
          {
            "average": 63764204.78,
            "count": 381248,
            "maximum": 63765030.03,
            "minimum": 63762187.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 334.0729846,
            "variance": 111604.7591
          },
          {
            "average": 0,
            "count": 381248,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 381248,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 381248,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 381248,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 381248,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          629999.8627,
          2373998.489,
          -46.90734934,
          630999.8827,
          2374913.569,
          -20.62734934
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                629999.8627342964,
                2373998.4891968328,
                -46.907349344874504
              ],
              [
                629999.8627342964,
                2374913.569196833,
                -46.907349344874504
              ],
              [
                630999.8827342964,
                2374913.569196833,
                -20.627349344874503
              ],
              [
                630999.8827342964,
                2373998.4891968328,
                -20.627349344874503
              ],
              [
                629999.8627342964,
                2373998.4891968328,
                -46.907349344874504
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T02:17:10+00:00",
        "end_time": "2013-09-21T01:29:47+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3074.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3074.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3074.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3074.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7453023,
            21.46371411,
            -46.90734934,
            -157.735581,
            21.47205267,
            -20.62734934
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.74530225217282,
                  21.46378677828547,
                  -46.907349344874504
                ],
                [
                  -157.74523144744396,
                  21.472052670227875,
                  -46.907349344874504
                ],
                [
                  -157.73558095809648,
                  21.471979968267092,
                  -20.627349344874503
                ],
                [
                  -157.73565230688504,
                  21.463714107053796,
                  -20.627349344874503
                ],
                [
                  -157.74530225217282,
                  21.46378677828547,
                  -46.907349344874504
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3074.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3074.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T02:17:10Z",
            "pc:count": 381248,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 630513.4303,
                "count": 381248,
                "maximum": 630999.8827,
                "minimum": 629999.8627,
                "name": "X",
                "position": 0,
                "stddev": 295.6784371,
                "variance": 87425.73816
              },
              {
                "average": 2374259.779,
                "count": 381248,
                "maximum": 2374913.569,
                "minimum": 2373998.489,
                "name": "Y",
                "position": 1,
                "stddev": 161.0383119,
                "variance": 25933.33791
              },
              {
                "average": -30.54561995,
                "count": 381248,
                "maximum": -20.62734934,
                "minimum": -46.90734934,
                "name": "Z",
                "position": 2,
                "stddev": 3.954506579,
                "variance": 15.63812229
              },
              {
                "average": 439.6933754,
                "count": 381248,
                "maximum": 1341,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 136.9146732,
                "variance": 18745.62775
              },
              {
                "average": 1.000049836,
                "count": 381248,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.007059318244,
                "variance": 4.983397406e-05
              },
              {
                "average": 1.000049836,
                "count": 381248,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.007059318244,
                "variance": 4.983397406e-05
              },
              {
                "average": 1,
                "count": 381248,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 381248,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 381248,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.23483995,
                "count": 381248,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.443737989,
                "variance": 89.1841872
              },
              {
                "average": 249.0049233,
                "count": 381248,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.06999341711,
                "variance": 0.004899078438
              },
              {
                "average": 17.6365358,
                "count": 381248,
                "maximum": 21,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.339426006,
                "variance": 1.794062027
              },
              {
                "average": 63764204.78,
                "count": 381248,
                "maximum": 63765030.03,
                "minimum": 63762187.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 334.0729846,
                "variance": 111604.7591
              },
              {
                "average": 0,
                "count": 381248,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 381248,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 381248,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 381248,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 381248,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              629999.8627,
              2373998.489,
              -46.90734934,
              630999.8827,
              2374913.569,
              -20.62734934
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    629999.8627342964,
                    2373998.4891968328,
                    -46.907349344874504
                  ],
                  [
                    629999.8627342964,
                    2374913.569196833,
                    -46.907349344874504
                  ],
                  [
                    630999.8827342964,
                    2374913.569196833,
                    -20.627349344874503
                  ],
                  [
                    630999.8827342964,
                    2373998.4891968328,
                    -20.627349344874503
                  ],
                  [
                    629999.8627342964,
                    2373998.4891968328,
                    -46.907349344874504
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T02:17:10+00:00",
            "end_time": "2013-09-21T01:29:47+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3359.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71160496317876,
              21.333711239086558,
              6.120212383595117
            ],
            [
              -157.71157570964525,
              21.337060854325262,
              6.120212383595117
            ],
            [
              -157.7078142410581,
              21.337031972330944,
              36.26021238359512
            ],
            [
              -157.70784358028052,
              21.33368236202981,
              36.26021238359512
            ],
            [
              -157.71160496317876,
              21.333711239086558,
              6.120212383595117
            ]
          ]
        ]
      },
      "bbox": [
        -157.711605,
        21.33368236,
        6.120212384,
        -157.7078142,
        21.33706085,
        36.26021238
      ],
      "properties": {
        "datetime": "2013-09-21T00:54:47Z",
        "pc:count": 508899,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633837.9391,
            "count": 508899,
            "maximum": 633999.9465,
            "minimum": 633609.8065,
            "name": "X",
            "position": 0,
            "stddev": 102.9773579,
            "variance": 10604.33623
          },
          {
            "average": 2359874.286,
            "count": 508899,
            "maximum": 2359998.477,
            "minimum": 2359627.657,
            "name": "Y",
            "position": 1,
            "stddev": 95.10732421,
            "variance": 9045.403118
          },
          {
            "average": 16.73962574,
            "count": 508899,
            "maximum": 36.26021238,
            "minimum": 6.120212384,
            "name": "Z",
            "position": 2,
            "stddev": 6.50045759,
            "variance": 42.25594889
          },
          {
            "average": 9.744210541,
            "count": 508899,
            "maximum": 766,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 17.28860499,
            "variance": 298.8958625
          },
          {
            "average": 1.930249421,
            "count": 508899,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.116579204,
            "variance": 1.24674912
          },
          {
            "average": 2.853876702,
            "count": 508899,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.494992263,
            "variance": 2.235001865
          },
          {
            "average": 1,
            "count": 508899,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 508899,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.180045549,
            "count": 508899,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3842257664,
            "variance": 0.1476294396
          },
          {
            "average": 20.62561754,
            "count": 508899,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.801485296,
            "variance": 3.24534927
          },
          {
            "average": 91.21118532,
            "count": 508899,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.75301235,
            "variance": 4590.470683
          },
          {
            "average": 4.938624364,
            "count": 508899,
            "maximum": 5,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.2400182928,
            "variance": 0.05760878088
          },
          {
            "average": 63760026.92,
            "count": 508899,
            "maximum": 63760087,
            "minimum": 63759184.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 214.9032128,
            "variance": 46183.39087
          },
          {
            "average": 0,
            "count": 508899,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 508899,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 508899,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 508899,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 508899,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633609.8065,
          2359627.657,
          6.120212384,
          633999.9465,
          2359998.477,
          36.26021238
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633609.8064912792,
                2359627.657073561,
                6.120212383595117
              ],
              [
                633609.8064912792,
                2359998.4770735614,
                6.120212383595117
              ],
              [
                633999.946491279,
                2359998.4770735614,
                36.26021238359512
              ],
              [
                633999.946491279,
                2359627.657073561,
                36.26021238359512
              ],
              [
                633609.8064912792,
                2359627.657073561,
                6.120212383595117
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:54:47+00:00",
        "end_time": "2013-09-21T00:39:44+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3359.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3359.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3359.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3359.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.711605,
            21.33368236,
            6.120212384,
            -157.7078142,
            21.33706085,
            36.26021238
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71160496317876,
                  21.333711239086558,
                  6.120212383595117
                ],
                [
                  -157.71157570964525,
                  21.337060854325262,
                  6.120212383595117
                ],
                [
                  -157.7078142410581,
                  21.337031972330944,
                  36.26021238359512
                ],
                [
                  -157.70784358028052,
                  21.33368236202981,
                  36.26021238359512
                ],
                [
                  -157.71160496317876,
                  21.333711239086558,
                  6.120212383595117
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3359.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3359.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:54:47Z",
            "pc:count": 508899,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633837.9391,
                "count": 508899,
                "maximum": 633999.9465,
                "minimum": 633609.8065,
                "name": "X",
                "position": 0,
                "stddev": 102.9773579,
                "variance": 10604.33623
              },
              {
                "average": 2359874.286,
                "count": 508899,
                "maximum": 2359998.477,
                "minimum": 2359627.657,
                "name": "Y",
                "position": 1,
                "stddev": 95.10732421,
                "variance": 9045.403118
              },
              {
                "average": 16.73962574,
                "count": 508899,
                "maximum": 36.26021238,
                "minimum": 6.120212384,
                "name": "Z",
                "position": 2,
                "stddev": 6.50045759,
                "variance": 42.25594889
              },
              {
                "average": 9.744210541,
                "count": 508899,
                "maximum": 766,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 17.28860499,
                "variance": 298.8958625
              },
              {
                "average": 1.930249421,
                "count": 508899,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.116579204,
                "variance": 1.24674912
              },
              {
                "average": 2.853876702,
                "count": 508899,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.494992263,
                "variance": 2.235001865
              },
              {
                "average": 1,
                "count": 508899,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 508899,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.180045549,
                "count": 508899,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3842257664,
                "variance": 0.1476294396
              },
              {
                "average": 20.62561754,
                "count": 508899,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.801485296,
                "variance": 3.24534927
              },
              {
                "average": 91.21118532,
                "count": 508899,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.75301235,
                "variance": 4590.470683
              },
              {
                "average": 4.938624364,
                "count": 508899,
                "maximum": 5,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.2400182928,
                "variance": 0.05760878088
              },
              {
                "average": 63760026.92,
                "count": 508899,
                "maximum": 63760087,
                "minimum": 63759184.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 214.9032128,
                "variance": 46183.39087
              },
              {
                "average": 0,
                "count": 508899,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 508899,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 508899,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 508899,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 508899,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633609.8065,
              2359627.657,
              6.120212384,
              633999.9465,
              2359998.477,
              36.26021238
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633609.8064912792,
                    2359627.657073561,
                    6.120212383595117
                  ],
                  [
                    633609.8064912792,
                    2359998.4770735614,
                    6.120212383595117
                  ],
                  [
                    633999.946491279,
                    2359998.4770735614,
                    36.26021238359512
                  ],
                  [
                    633999.946491279,
                    2359627.657073561,
                    36.26021238359512
                  ],
                  [
                    633609.8064912792,
                    2359627.657073561,
                    6.120212383595117
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:54:47+00:00",
            "end_time": "2013-09-21T00:39:44+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3150.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72935608618835,
              21.252169273156085,
              -48.14950513319957
            ],
            [
              -157.72932414926808,
              21.25589255574811,
              -48.14950513319957
            ],
            [
              -157.72779778967342,
              21.255881042685083,
              -25.769505133199573
            ],
            [
              -157.7278297649262,
              21.252157762306144,
              -25.769505133199573
            ],
            [
              -157.72935608618835,
              21.252169273156085,
              -48.14950513319957
            ]
          ]
        ]
      },
      "bbox": [
        -157.7293561,
        21.25215776,
        -48.14950513,
        -157.7277978,
        21.25589256,
        -25.76950513
      ],
      "properties": {
        "datetime": "2013-09-22T18:10:56Z",
        "pc:count": 24262,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631944.7037,
            "count": 24262,
            "maximum": 631999.8583,
            "minimum": 631841.4583,
            "name": "X",
            "position": 0,
            "stddev": 38.48886389,
            "variance": 1481.392644
          },
          {
            "average": 2350842.467,
            "count": 24262,
            "maximum": 2350998.449,
            "minimum": 2350586.269,
            "name": "Y",
            "position": 1,
            "stddev": 101.9058554,
            "variance": 10384.80337
          },
          {
            "average": -32.42017449,
            "count": 24262,
            "maximum": -25.76950513,
            "minimum": -48.14950513,
            "name": "Z",
            "position": 2,
            "stddev": 4.093539032,
            "variance": 16.75706181
          },
          {
            "average": 2037.121466,
            "count": 24262,
            "maximum": 4537,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 523.5837926,
            "variance": 274139.9879
          },
          {
            "average": 1.002225703,
            "count": 24262,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.04712579472,
            "variance": 0.002220840528
          },
          {
            "average": 1.003214904,
            "count": 24262,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0566100737,
            "variance": 0.003204700445
          },
          {
            "average": 1,
            "count": 24262,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24262,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 24262,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.47372594,
            "count": 24262,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.289291552,
            "variance": 68.71235443
          },
          {
            "average": 248.8314236,
            "count": 24262,
            "maximum": 251,
            "minimum": 94,
            "name": "UserData",
            "position": 10,
            "stddev": 4.799875839,
            "variance": 23.03880807
          },
          {
            "average": 7.377751216,
            "count": 24262,
            "maximum": 14,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.223089211,
            "variance": 4.942125638
          },
          {
            "average": 62995246.49,
            "count": 24262,
            "maximum": 63908656.26,
            "minimum": 62897980.5,
            "name": "GpsTime",
            "position": 12,
            "stddev": 284102.6683,
            "variance": 80714326110.0
          },
          {
            "average": 0,
            "count": 24262,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24262,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24262,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24262,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 24262,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631841.4583,
          2350586.269,
          -48.14950513,
          631999.8583,
          2350998.449,
          -25.76950513
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631841.4582631926,
                2350586.2685375935,
                -48.14950513319957
              ],
              [
                631841.4582631926,
                2350998.4485375932,
                -48.14950513319957
              ],
              [
                631999.8582631925,
                2350998.4485375932,
                -25.769505133199573
              ],
              [
                631999.8582631925,
                2350586.2685375935,
                -25.769505133199573
              ],
              [
                631841.4582631926,
                2350586.2685375935,
                -48.14950513319957
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:10:56+00:00",
        "end_time": "2013-09-11T01:26:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3150.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3150.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3150.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3150.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7293561,
            21.25215776,
            -48.14950513,
            -157.7277978,
            21.25589256,
            -25.76950513
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72935608618835,
                  21.252169273156085,
                  -48.14950513319957
                ],
                [
                  -157.72932414926808,
                  21.25589255574811,
                  -48.14950513319957
                ],
                [
                  -157.72779778967342,
                  21.255881042685083,
                  -25.769505133199573
                ],
                [
                  -157.7278297649262,
                  21.252157762306144,
                  -25.769505133199573
                ],
                [
                  -157.72935608618835,
                  21.252169273156085,
                  -48.14950513319957
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3150.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3150.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:10:56Z",
            "pc:count": 24262,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631944.7037,
                "count": 24262,
                "maximum": 631999.8583,
                "minimum": 631841.4583,
                "name": "X",
                "position": 0,
                "stddev": 38.48886389,
                "variance": 1481.392644
              },
              {
                "average": 2350842.467,
                "count": 24262,
                "maximum": 2350998.449,
                "minimum": 2350586.269,
                "name": "Y",
                "position": 1,
                "stddev": 101.9058554,
                "variance": 10384.80337
              },
              {
                "average": -32.42017449,
                "count": 24262,
                "maximum": -25.76950513,
                "minimum": -48.14950513,
                "name": "Z",
                "position": 2,
                "stddev": 4.093539032,
                "variance": 16.75706181
              },
              {
                "average": 2037.121466,
                "count": 24262,
                "maximum": 4537,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 523.5837926,
                "variance": 274139.9879
              },
              {
                "average": 1.002225703,
                "count": 24262,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.04712579472,
                "variance": 0.002220840528
              },
              {
                "average": 1.003214904,
                "count": 24262,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0566100737,
                "variance": 0.003204700445
              },
              {
                "average": 1,
                "count": 24262,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24262,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 24262,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.47372594,
                "count": 24262,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.289291552,
                "variance": 68.71235443
              },
              {
                "average": 248.8314236,
                "count": 24262,
                "maximum": 251,
                "minimum": 94,
                "name": "UserData",
                "position": 10,
                "stddev": 4.799875839,
                "variance": 23.03880807
              },
              {
                "average": 7.377751216,
                "count": 24262,
                "maximum": 14,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.223089211,
                "variance": 4.942125638
              },
              {
                "average": 62995246.49,
                "count": 24262,
                "maximum": 63908656.26,
                "minimum": 62897980.5,
                "name": "GpsTime",
                "position": 12,
                "stddev": 284102.6683,
                "variance": 80714326110.0
              },
              {
                "average": 0,
                "count": 24262,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24262,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24262,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24262,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 24262,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631841.4583,
              2350586.269,
              -48.14950513,
              631999.8583,
              2350998.449,
              -25.76950513
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631841.4582631926,
                    2350586.2685375935,
                    -48.14950513319957
                  ],
                  [
                    631841.4582631926,
                    2350998.4485375932,
                    -48.14950513319957
                  ],
                  [
                    631999.8582631925,
                    2350998.4485375932,
                    -25.769505133199573
                  ],
                  [
                    631999.8582631925,
                    2350586.2685375935,
                    -25.769505133199573
                  ],
                  [
                    631841.4582631926,
                    2350586.2685375935,
                    -48.14950513319957
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:10:56+00:00",
            "end_time": "2013-09-11T01:26:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2970.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7552589934596,
              21.42772666945589,
              -1.125324705570318
            ],
            [
              -157.75518236969708,
              21.436759708179927,
              -1.125324705570318
            ],
            [
              -157.74553417842236,
              21.436687690997466,
              23.59467529442968
            ],
            [
              -157.74561139612587,
              21.427654685676583,
              23.59467529442968
            ],
            [
              -157.7552589934596,
              21.42772666945589,
              -1.125324705570318
            ]
          ]
        ]
      },
      "bbox": [
        -157.755259,
        21.42765469,
        -1.125324706,
        -157.7455342,
        21.43675971,
        23.59467529
      ],
      "properties": {
        "datetime": "2013-09-19T20:19:10Z",
        "pc:count": 5274221,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629512.0683,
            "count": 5274221,
            "maximum": 629999.8593,
            "minimum": 628999.8393,
            "name": "X",
            "position": 0,
            "stddev": 283.7151441,
            "variance": 80494.283
          },
          {
            "average": 2370411.157,
            "count": 5274221,
            "maximum": 2370998.476,
            "minimum": 2369998.476,
            "name": "Y",
            "position": 1,
            "stddev": 307.0334449,
            "variance": 94269.53629
          },
          {
            "average": 3.608581528,
            "count": 5274221,
            "maximum": 23.59467529,
            "minimum": -1.125324706,
            "name": "Z",
            "position": 2,
            "stddev": 3.424044762,
            "variance": 11.72408253
          },
          {
            "average": 11.60855395,
            "count": 5274221,
            "maximum": 850,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.53619388,
            "variance": 652.0971977
          },
          {
            "average": 1.566358899,
            "count": 5274221,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9647591544,
            "variance": 0.930760226
          },
          {
            "average": 2.133826967,
            "count": 5274221,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.445307941,
            "variance": 2.088915045
          },
          {
            "average": 1,
            "count": 5274221,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5274221,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8.104880133,
            "count": 5274221,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.03822621,
            "variance": 144.9188903
          },
          {
            "average": 18.65038053,
            "count": 5274221,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.446799312,
            "variance": 29.66762275
          },
          {
            "average": 91.57749173,
            "count": 5274221,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.3362441,
            "variance": 4268.824793
          },
          {
            "average": 5.805281955,
            "count": 5274221,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.778048413,
            "variance": 3.161456157
          },
          {
            "average": 63624269.3,
            "count": 5274221,
            "maximum": 63657150.79,
            "minimum": 63591840.19,
            "name": "GpsTime",
            "position": 12,
            "stddev": 30552.58528,
            "variance": 933460467.4
          },
          {
            "average": 0,
            "count": 5274221,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5274221,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5274221,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5274221,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5274221,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8393,
          2369998.476,
          -1.125324706,
          629999.8593,
          2370998.476,
          23.59467529
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8393118453,
                2369998.475668326,
                -1.125324705570318
              ],
              [
                628999.8393118453,
                2370998.475668326,
                -1.125324705570318
              ],
              [
                629999.8593118453,
                2370998.475668326,
                23.59467529442968
              ],
              [
                629999.8593118453,
                2369998.475668326,
                23.59467529442968
              ],
              [
                628999.8393118453,
                2369998.475668326,
                -1.125324705570318
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:19:10+00:00",
        "end_time": "2013-09-19T02:10:40+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2970.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2970.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2970.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2970.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.755259,
            21.42765469,
            -1.125324706,
            -157.7455342,
            21.43675971,
            23.59467529
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7552589934596,
                  21.42772666945589,
                  -1.125324705570318
                ],
                [
                  -157.75518236969708,
                  21.436759708179927,
                  -1.125324705570318
                ],
                [
                  -157.74553417842236,
                  21.436687690997466,
                  23.59467529442968
                ],
                [
                  -157.74561139612587,
                  21.427654685676583,
                  23.59467529442968
                ],
                [
                  -157.7552589934596,
                  21.42772666945589,
                  -1.125324705570318
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2970.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2970.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:19:10Z",
            "pc:count": 5274221,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629512.0683,
                "count": 5274221,
                "maximum": 629999.8593,
                "minimum": 628999.8393,
                "name": "X",
                "position": 0,
                "stddev": 283.7151441,
                "variance": 80494.283
              },
              {
                "average": 2370411.157,
                "count": 5274221,
                "maximum": 2370998.476,
                "minimum": 2369998.476,
                "name": "Y",
                "position": 1,
                "stddev": 307.0334449,
                "variance": 94269.53629
              },
              {
                "average": 3.608581528,
                "count": 5274221,
                "maximum": 23.59467529,
                "minimum": -1.125324706,
                "name": "Z",
                "position": 2,
                "stddev": 3.424044762,
                "variance": 11.72408253
              },
              {
                "average": 11.60855395,
                "count": 5274221,
                "maximum": 850,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.53619388,
                "variance": 652.0971977
              },
              {
                "average": 1.566358899,
                "count": 5274221,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9647591544,
                "variance": 0.930760226
              },
              {
                "average": 2.133826967,
                "count": 5274221,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.445307941,
                "variance": 2.088915045
              },
              {
                "average": 1,
                "count": 5274221,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5274221,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8.104880133,
                "count": 5274221,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.03822621,
                "variance": 144.9188903
              },
              {
                "average": 18.65038053,
                "count": 5274221,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.446799312,
                "variance": 29.66762275
              },
              {
                "average": 91.57749173,
                "count": 5274221,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.3362441,
                "variance": 4268.824793
              },
              {
                "average": 5.805281955,
                "count": 5274221,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.778048413,
                "variance": 3.161456157
              },
              {
                "average": 63624269.3,
                "count": 5274221,
                "maximum": 63657150.79,
                "minimum": 63591840.19,
                "name": "GpsTime",
                "position": 12,
                "stddev": 30552.58528,
                "variance": 933460467.4
              },
              {
                "average": 0,
                "count": 5274221,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5274221,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5274221,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5274221,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5274221,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8393,
              2369998.476,
              -1.125324706,
              629999.8593,
              2370998.476,
              23.59467529
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8393118453,
                    2369998.475668326,
                    -1.125324705570318
                  ],
                  [
                    628999.8393118453,
                    2370998.475668326,
                    -1.125324705570318
                  ],
                  [
                    629999.8593118453,
                    2370998.475668326,
                    23.59467529442968
                  ],
                  [
                    629999.8593118453,
                    2369998.475668326,
                    23.59467529442968
                  ],
                  [
                    628999.8393118453,
                    2369998.475668326,
                    -1.125324705570318
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:19:10+00:00",
            "end_time": "2013-09-19T02:10:40+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3151.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73743394689487,
              21.255953504888218,
              -27.296681687357555
            ],
            [
              -157.73735692953716,
              21.264986673238052,
              -27.296681687357555
            ],
            [
              -157.7277200237315,
              21.26491418622962,
              -13.816681687357553
            ],
            [
              -157.7277976284356,
              21.25588105167066,
              -13.816681687357553
            ],
            [
              -157.73743394689487,
              21.255953504888218,
              -27.296681687357555
            ]
          ]
        ]
      },
      "bbox": [
        -157.7374339,
        21.25588105,
        -27.29668169,
        -157.72772,
        21.26498667,
        -13.81668169
      ],
      "properties": {
        "datetime": "2013-09-22T18:10:56Z",
        "pc:count": 1874861,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631428.6017,
            "count": 1874861,
            "maximum": 631999.875,
            "minimum": 630999.855,
            "name": "X",
            "position": 0,
            "stddev": 303.5163593,
            "variance": 92122.18037
          },
          {
            "average": 2351832.118,
            "count": 1874861,
            "maximum": 2351998.45,
            "minimum": 2350998.45,
            "name": "Y",
            "position": 1,
            "stddev": 132.9546125,
            "variance": 17676.92899
          },
          {
            "average": -15.60910506,
            "count": 1874861,
            "maximum": -13.81668169,
            "minimum": -27.29668169,
            "name": "Z",
            "position": 2,
            "stddev": 1.277876539,
            "variance": 1.63296845
          },
          {
            "average": 156.8301149,
            "count": 1874861,
            "maximum": 8966,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 254.372781,
            "variance": 64705.51174
          },
          {
            "average": 1.000561108,
            "count": 1874861,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02368108359,
            "variance": 0.0005607937201
          },
          {
            "average": 1.001055012,
            "count": 1874861,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03246381151,
            "variance": 0.001053899058
          },
          {
            "average": 1,
            "count": 1874861,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1874861,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1874861,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.7384144,
            "count": 1874861,
            "maximum": 30,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.76454023,
            "variance": 22.70084361
          },
          {
            "average": 121.7179812,
            "count": 1874861,
            "maximum": 251,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 84.51782021,
            "variance": 7143.261933
          },
          {
            "average": 19.44234746,
            "count": 1874861,
            "maximum": 21,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.062556319,
            "variance": 1.129025932
          },
          {
            "average": 63384613.8,
            "count": 1874861,
            "maximum": 63908656.22,
            "minimum": 62898362.96,
            "name": "GpsTime",
            "position": 12,
            "stddev": 20351.98415,
            "variance": 414203258.8
          },
          {
            "average": 0,
            "count": 1874861,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1874861,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1874861,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1874861,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1874861,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.855,
          2350998.45,
          -27.29668169,
          631999.875,
          2351998.45,
          -13.81668169
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8549867701,
                2350998.4496669713,
                -27.296681687357555
              ],
              [
                630999.8549867701,
                2351998.4496669713,
                -27.296681687357555
              ],
              [
                631999.8749867701,
                2351998.4496669713,
                -13.816681687357553
              ],
              [
                631999.8749867701,
                2350998.4496669713,
                -13.816681687357553
              ],
              [
                630999.8549867701,
                2350998.4496669713,
                -27.296681687357555
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:10:56+00:00",
        "end_time": "2013-09-11T01:32:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3151.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3151.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3151.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3151.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7374339,
            21.25588105,
            -27.29668169,
            -157.72772,
            21.26498667,
            -13.81668169
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73743394689487,
                  21.255953504888218,
                  -27.296681687357555
                ],
                [
                  -157.73735692953716,
                  21.264986673238052,
                  -27.296681687357555
                ],
                [
                  -157.7277200237315,
                  21.26491418622962,
                  -13.816681687357553
                ],
                [
                  -157.7277976284356,
                  21.25588105167066,
                  -13.816681687357553
                ],
                [
                  -157.73743394689487,
                  21.255953504888218,
                  -27.296681687357555
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3151.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3151.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:10:56Z",
            "pc:count": 1874861,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631428.6017,
                "count": 1874861,
                "maximum": 631999.875,
                "minimum": 630999.855,
                "name": "X",
                "position": 0,
                "stddev": 303.5163593,
                "variance": 92122.18037
              },
              {
                "average": 2351832.118,
                "count": 1874861,
                "maximum": 2351998.45,
                "minimum": 2350998.45,
                "name": "Y",
                "position": 1,
                "stddev": 132.9546125,
                "variance": 17676.92899
              },
              {
                "average": -15.60910506,
                "count": 1874861,
                "maximum": -13.81668169,
                "minimum": -27.29668169,
                "name": "Z",
                "position": 2,
                "stddev": 1.277876539,
                "variance": 1.63296845
              },
              {
                "average": 156.8301149,
                "count": 1874861,
                "maximum": 8966,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 254.372781,
                "variance": 64705.51174
              },
              {
                "average": 1.000561108,
                "count": 1874861,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02368108359,
                "variance": 0.0005607937201
              },
              {
                "average": 1.001055012,
                "count": 1874861,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03246381151,
                "variance": 0.001053899058
              },
              {
                "average": 1,
                "count": 1874861,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1874861,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1874861,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.7384144,
                "count": 1874861,
                "maximum": 30,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.76454023,
                "variance": 22.70084361
              },
              {
                "average": 121.7179812,
                "count": 1874861,
                "maximum": 251,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 84.51782021,
                "variance": 7143.261933
              },
              {
                "average": 19.44234746,
                "count": 1874861,
                "maximum": 21,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.062556319,
                "variance": 1.129025932
              },
              {
                "average": 63384613.8,
                "count": 1874861,
                "maximum": 63908656.22,
                "minimum": 62898362.96,
                "name": "GpsTime",
                "position": 12,
                "stddev": 20351.98415,
                "variance": 414203258.8
              },
              {
                "average": 0,
                "count": 1874861,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1874861,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1874861,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1874861,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1874861,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.855,
              2350998.45,
              -27.29668169,
              631999.875,
              2351998.45,
              -13.81668169
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8549867701,
                    2350998.4496669713,
                    -27.296681687357555
                  ],
                  [
                    630999.8549867701,
                    2351998.4496669713,
                    -27.296681687357555
                  ],
                  [
                    631999.8749867701,
                    2351998.4496669713,
                    -13.816681687357553
                  ],
                  [
                    631999.8749867701,
                    2350998.4496669713,
                    -13.816681687357553
                  ],
                  [
                    630999.8549867701,
                    2350998.4496669713,
                    -27.296681687357555
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:10:56+00:00",
            "end_time": "2013-09-11T01:32:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3254.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72756468158283,
              21.28298050234674,
              -2.761247792915249
            ],
            [
              -157.72750123872825,
              21.29035386462508,
              -2.761247792915249
            ],
            [
              -157.71786252713053,
              21.290280729009666,
              94.21875220708475
            ],
            [
              -157.71792645085833,
              21.282907394472936,
              94.21875220708475
            ],
            [
              -157.72756468158283,
              21.28298050234674,
              -2.761247792915249
            ]
          ]
        ]
      },
      "bbox": [
        -157.7275647,
        21.28290739,
        -2.761247793,
        -157.7178625,
        21.29035386,
        94.21875221
      ],
      "properties": {
        "datetime": "2013-09-22T18:24:44Z",
        "pc:count": 2783651,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632536.0346,
            "count": 2783651,
            "maximum": 632999.9162,
            "minimum": 631999.8762,
            "name": "X",
            "position": 0,
            "stddev": 295.1132243,
            "variance": 87091.81516
          },
          {
            "average": 2354296.009,
            "count": 2783651,
            "maximum": 2354814.718,
            "minimum": 2353998.458,
            "name": "Y",
            "position": 1,
            "stddev": 187.7577075,
            "variance": 35252.95671
          },
          {
            "average": 11.12069805,
            "count": 2783651,
            "maximum": 94.21875221,
            "minimum": -2.761247793,
            "name": "Z",
            "position": 2,
            "stddev": 17.39886137,
            "variance": 302.7203769
          },
          {
            "average": 20.88083384,
            "count": 2783651,
            "maximum": 1008,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.44638846,
            "variance": 1717.803117
          },
          {
            "average": 1.480466122,
            "count": 2783651,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8577729674,
            "variance": 0.7357744636
          },
          {
            "average": 1.966719966,
            "count": 2783651,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.271513545,
            "variance": 1.616746695
          },
          {
            "average": 1,
            "count": 2783651,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2783651,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.216618391,
            "count": 2783651,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 8.642029933,
            "variance": 74.68468136
          },
          {
            "average": 19.66277386,
            "count": 2783651,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.689183201,
            "variance": 7.23170629
          },
          {
            "average": 91.8093026,
            "count": 2783651,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.05336788,
            "variance": 4363.047408
          },
          {
            "average": 6.663357224,
            "count": 2783651,
            "maximum": 13,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.81718246,
            "variance": 23.20524685
          },
          {
            "average": 63662844.31,
            "count": 2783651,
            "maximum": 63909484.01,
            "minimum": 63381863.64,
            "name": "GpsTime",
            "position": 12,
            "stddev": 262953.0711,
            "variance": 69144317610.0
          },
          {
            "average": 0,
            "count": 2783651,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2783651,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2783651,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2783651,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2783651,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.8762,
          2353998.458,
          -2.761247793,
          632999.9162,
          2354814.718,
          94.21875221
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.8761960242,
                2353998.4583323775,
                -2.761247792915249
              ],
              [
                631999.8761960242,
                2354814.7183323773,
                -2.761247792915249
              ],
              [
                632999.9161960243,
                2354814.7183323773,
                94.21875220708475
              ],
              [
                632999.9161960243,
                2353998.4583323775,
                94.21875220708475
              ],
              [
                631999.8761960242,
                2353998.4583323775,
                -2.761247792915249
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:24:44+00:00",
        "end_time": "2013-09-16T15:51:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3254.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3254.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3254.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3254.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7275647,
            21.28290739,
            -2.761247793,
            -157.7178625,
            21.29035386,
            94.21875221
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72756468158283,
                  21.28298050234674,
                  -2.761247792915249
                ],
                [
                  -157.72750123872825,
                  21.29035386462508,
                  -2.761247792915249
                ],
                [
                  -157.71786252713053,
                  21.290280729009666,
                  94.21875220708475
                ],
                [
                  -157.71792645085833,
                  21.282907394472936,
                  94.21875220708475
                ],
                [
                  -157.72756468158283,
                  21.28298050234674,
                  -2.761247792915249
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3254.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3254.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:24:44Z",
            "pc:count": 2783651,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632536.0346,
                "count": 2783651,
                "maximum": 632999.9162,
                "minimum": 631999.8762,
                "name": "X",
                "position": 0,
                "stddev": 295.1132243,
                "variance": 87091.81516
              },
              {
                "average": 2354296.009,
                "count": 2783651,
                "maximum": 2354814.718,
                "minimum": 2353998.458,
                "name": "Y",
                "position": 1,
                "stddev": 187.7577075,
                "variance": 35252.95671
              },
              {
                "average": 11.12069805,
                "count": 2783651,
                "maximum": 94.21875221,
                "minimum": -2.761247793,
                "name": "Z",
                "position": 2,
                "stddev": 17.39886137,
                "variance": 302.7203769
              },
              {
                "average": 20.88083384,
                "count": 2783651,
                "maximum": 1008,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.44638846,
                "variance": 1717.803117
              },
              {
                "average": 1.480466122,
                "count": 2783651,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8577729674,
                "variance": 0.7357744636
              },
              {
                "average": 1.966719966,
                "count": 2783651,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.271513545,
                "variance": 1.616746695
              },
              {
                "average": 1,
                "count": 2783651,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2783651,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.216618391,
                "count": 2783651,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 8.642029933,
                "variance": 74.68468136
              },
              {
                "average": 19.66277386,
                "count": 2783651,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.689183201,
                "variance": 7.23170629
              },
              {
                "average": 91.8093026,
                "count": 2783651,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.05336788,
                "variance": 4363.047408
              },
              {
                "average": 6.663357224,
                "count": 2783651,
                "maximum": 13,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.81718246,
                "variance": 23.20524685
              },
              {
                "average": 63662844.31,
                "count": 2783651,
                "maximum": 63909484.01,
                "minimum": 63381863.64,
                "name": "GpsTime",
                "position": 12,
                "stddev": 262953.0711,
                "variance": 69144317610.0
              },
              {
                "average": 0,
                "count": 2783651,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2783651,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2783651,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2783651,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2783651,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.8762,
              2353998.458,
              -2.761247793,
              632999.9162,
              2354814.718,
              94.21875221
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.8761960242,
                    2353998.4583323775,
                    -2.761247792915249
                  ],
                  [
                    631999.8761960242,
                    2354814.7183323773,
                    -2.761247792915249
                  ],
                  [
                    632999.9161960243,
                    2354814.7183323773,
                    94.21875220708475
                  ],
                  [
                    632999.9161960243,
                    2353998.4583323775,
                    94.21875220708475
                  ],
                  [
                    631999.8761960242,
                    2353998.4583323775,
                    -2.761247792915249
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:24:44+00:00",
            "end_time": "2013-09-16T15:51:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3856.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6695740187806,
              21.30059953900376,
              6.542519866402962
            ],
            [
              -157.66949266968112,
              21.309632595966953,
              6.542519866402962
            ],
            [
              -157.65985292419649,
              21.30955607403685,
              116.32251986640296
            ],
            [
              -157.6599348620501,
              21.300523052609826,
              116.32251986640296
            ],
            [
              -157.6695740187806,
              21.30059953900376,
              6.542519866402962
            ]
          ]
        ]
      },
      "bbox": [
        -157.669574,
        21.30052305,
        6.542519866,
        -157.6598529,
        21.3096326,
        116.3225199
      ],
      "properties": {
        "datetime": "2013-09-22T18:26:22Z",
        "pc:count": 1755555,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638597.335,
            "count": 1755555,
            "maximum": 639000.0872,
            "minimum": 638000.0472,
            "name": "X",
            "position": 0,
            "stddev": 274.7073318,
            "variance": 75464.11813
          },
          {
            "average": 2356157.651,
            "count": 1755555,
            "maximum": 2356998.497,
            "minimum": 2355998.477,
            "name": "Y",
            "position": 1,
            "stddev": 142.180499,
            "variance": 20215.2943
          },
          {
            "average": 54.03917578,
            "count": 1755555,
            "maximum": 116.3225199,
            "minimum": 6.542519866,
            "name": "Z",
            "position": 2,
            "stddev": 26.350259,
            "variance": 694.3361491
          },
          {
            "average": 19.60362791,
            "count": 1755555,
            "maximum": 594,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 26.80276041,
            "variance": 718.3879654
          },
          {
            "average": 1.434708682,
            "count": 1755555,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.749391311,
            "variance": 0.561587337
          },
          {
            "average": 1.869847427,
            "count": 1755555,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.076495168,
            "variance": 1.158841846
          },
          {
            "average": 1,
            "count": 1755555,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1755555,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.242446406,
            "count": 1755555,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4285630067,
            "variance": 0.1836662508
          },
          {
            "average": 19.88937949,
            "count": 1755555,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.657689627,
            "variance": 7.063314153
          },
          {
            "average": 90.73549903,
            "count": 1755555,
            "maximum": 201,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.10612427,
            "variance": 4370.019666
          },
          {
            "average": 4.82753773,
            "count": 1755555,
            "maximum": 29,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.302243168,
            "variance": 18.50929628
          },
          {
            "average": 63749912.17,
            "count": 1755555,
            "maximum": 63909582.92,
            "minimum": 63381972.8,
            "name": "GpsTime",
            "position": 12,
            "stddev": 239970.1092,
            "variance": 57585653330.0
          },
          {
            "average": 0,
            "count": 1755555,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1755555,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1755555,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1755555,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1755555,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.0472,
          2355998.477,
          6.542519866,
          639000.0872,
          2356998.497,
          116.3225199
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.047153329,
                2355998.476524229,
                6.542519866402962
              ],
              [
                638000.047153329,
                2356998.4965242287,
                6.542519866402962
              ],
              [
                639000.087153329,
                2356998.4965242287,
                116.32251986640296
              ],
              [
                639000.087153329,
                2355998.476524229,
                116.32251986640296
              ],
              [
                638000.047153329,
                2355998.476524229,
                6.542519866402962
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:26:22+00:00",
        "end_time": "2013-09-16T15:52:52+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3856.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3856.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3856.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3856.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.669574,
            21.30052305,
            6.542519866,
            -157.6598529,
            21.3096326,
            116.3225199
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6695740187806,
                  21.30059953900376,
                  6.542519866402962
                ],
                [
                  -157.66949266968112,
                  21.309632595966953,
                  6.542519866402962
                ],
                [
                  -157.65985292419649,
                  21.30955607403685,
                  116.32251986640296
                ],
                [
                  -157.6599348620501,
                  21.300523052609826,
                  116.32251986640296
                ],
                [
                  -157.6695740187806,
                  21.30059953900376,
                  6.542519866402962
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3856.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3856.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:26:22Z",
            "pc:count": 1755555,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638597.335,
                "count": 1755555,
                "maximum": 639000.0872,
                "minimum": 638000.0472,
                "name": "X",
                "position": 0,
                "stddev": 274.7073318,
                "variance": 75464.11813
              },
              {
                "average": 2356157.651,
                "count": 1755555,
                "maximum": 2356998.497,
                "minimum": 2355998.477,
                "name": "Y",
                "position": 1,
                "stddev": 142.180499,
                "variance": 20215.2943
              },
              {
                "average": 54.03917578,
                "count": 1755555,
                "maximum": 116.3225199,
                "minimum": 6.542519866,
                "name": "Z",
                "position": 2,
                "stddev": 26.350259,
                "variance": 694.3361491
              },
              {
                "average": 19.60362791,
                "count": 1755555,
                "maximum": 594,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 26.80276041,
                "variance": 718.3879654
              },
              {
                "average": 1.434708682,
                "count": 1755555,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.749391311,
                "variance": 0.561587337
              },
              {
                "average": 1.869847427,
                "count": 1755555,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.076495168,
                "variance": 1.158841846
              },
              {
                "average": 1,
                "count": 1755555,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1755555,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.242446406,
                "count": 1755555,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4285630067,
                "variance": 0.1836662508
              },
              {
                "average": 19.88937949,
                "count": 1755555,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.657689627,
                "variance": 7.063314153
              },
              {
                "average": 90.73549903,
                "count": 1755555,
                "maximum": 201,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.10612427,
                "variance": 4370.019666
              },
              {
                "average": 4.82753773,
                "count": 1755555,
                "maximum": 29,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.302243168,
                "variance": 18.50929628
              },
              {
                "average": 63749912.17,
                "count": 1755555,
                "maximum": 63909582.92,
                "minimum": 63381972.8,
                "name": "GpsTime",
                "position": 12,
                "stddev": 239970.1092,
                "variance": 57585653330.0
              },
              {
                "average": 0,
                "count": 1755555,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1755555,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1755555,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1755555,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1755555,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.0472,
              2355998.477,
              6.542519866,
              639000.0872,
              2356998.497,
              116.3225199
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.047153329,
                    2355998.476524229,
                    6.542519866402962
                  ],
                  [
                    638000.047153329,
                    2356998.4965242287,
                    6.542519866402962
                  ],
                  [
                    639000.087153329,
                    2356998.4965242287,
                    116.32251986640296
                  ],
                  [
                    639000.087153329,
                    2355998.476524229,
                    116.32251986640296
                  ],
                  [
                    638000.047153329,
                    2355998.476524229,
                    6.542519866402962
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:26:22+00:00",
            "end_time": "2013-09-16T15:52:52+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3561.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.69809298215173,
              21.34599055903709,
              -9.731954583248628
            ],
            [
              -157.6980132157818,
              21.3550234885339,
              -9.731954583248628
            ],
            [
              -157.68837038714167,
              21.354948449394747,
              -0.631954583248628
            ],
            [
              -157.68845074732428,
              21.34591555439419,
              -0.631954583248628
            ],
            [
              -157.69809298215173,
              21.34599055903709,
              -9.731954583248628
            ]
          ]
        ]
      },
      "bbox": [
        -157.698093,
        21.34591555,
        -9.731954583,
        -157.6883704,
        21.35502349,
        -0.6319545832
      ],
      "properties": {
        "datetime": "2013-09-20T20:24:12Z",
        "pc:count": 3038722,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635460.5923,
            "count": 3038722,
            "maximum": 636000.0097,
            "minimum": 634999.9697,
            "name": "X",
            "position": 0,
            "stddev": 316.5732979,
            "variance": 100218.6529
          },
          {
            "average": 2361371.902,
            "count": 3038722,
            "maximum": 2361998.484,
            "minimum": 2360998.484,
            "name": "Y",
            "position": 1,
            "stddev": 251.2541936,
            "variance": 63128.66978
          },
          {
            "average": -5.926332239,
            "count": 3038722,
            "maximum": -0.6319545832,
            "minimum": -9.731954583,
            "name": "Z",
            "position": 2,
            "stddev": 1.64334322,
            "variance": 2.700576939
          },
          {
            "average": 11.89932741,
            "count": 3038722,
            "maximum": 8407,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 37.74005091,
            "variance": 1424.311442
          },
          {
            "average": 1.048799462,
            "count": 3038722,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2172328831,
            "variance": 0.04719012549
          },
          {
            "average": 1.055580603,
            "count": 3038722,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2315333143,
            "variance": 0.05360767563
          },
          {
            "average": 1,
            "count": 3038722,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3038722,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3038722,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.7937471,
            "count": 3038722,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.107199985,
            "variance": 4.440291779
          },
          {
            "average": 107.3769354,
            "count": 3038722,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 72.84106652,
            "variance": 5305.820972
          },
          {
            "average": 4.043131619,
            "count": 3038722,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.498677776,
            "variance": 2.246035077
          },
          {
            "average": 63741346.42,
            "count": 3038722,
            "maximum": 63743852.15,
            "minimum": 63679266.59,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6229.235045,
            "variance": 38803369.24
          },
          {
            "average": 0,
            "count": 3038722,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3038722,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3038722,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3038722,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3038722,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9697,
          2360998.484,
          -9.731954583,
          636000.0097,
          2361998.484,
          -0.6319545832
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9697403212,
                2360998.483985679,
                -9.731954583248628
              ],
              [
                634999.9697403212,
                2361998.483985679,
                -9.731954583248628
              ],
              [
                636000.0097403212,
                2361998.483985679,
                -0.631954583248628
              ],
              [
                636000.0097403212,
                2360998.483985679,
                -0.631954583248628
              ],
              [
                634999.9697403212,
                2360998.483985679,
                -9.731954583248628
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:24:12+00:00",
        "end_time": "2013-09-20T02:27:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3561.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3561.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3561.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3561.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.698093,
            21.34591555,
            -9.731954583,
            -157.6883704,
            21.35502349,
            -0.6319545832
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.69809298215173,
                  21.34599055903709,
                  -9.731954583248628
                ],
                [
                  -157.6980132157818,
                  21.3550234885339,
                  -9.731954583248628
                ],
                [
                  -157.68837038714167,
                  21.354948449394747,
                  -0.631954583248628
                ],
                [
                  -157.68845074732428,
                  21.34591555439419,
                  -0.631954583248628
                ],
                [
                  -157.69809298215173,
                  21.34599055903709,
                  -9.731954583248628
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3561.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3561.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:24:12Z",
            "pc:count": 3038722,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635460.5923,
                "count": 3038722,
                "maximum": 636000.0097,
                "minimum": 634999.9697,
                "name": "X",
                "position": 0,
                "stddev": 316.5732979,
                "variance": 100218.6529
              },
              {
                "average": 2361371.902,
                "count": 3038722,
                "maximum": 2361998.484,
                "minimum": 2360998.484,
                "name": "Y",
                "position": 1,
                "stddev": 251.2541936,
                "variance": 63128.66978
              },
              {
                "average": -5.926332239,
                "count": 3038722,
                "maximum": -0.6319545832,
                "minimum": -9.731954583,
                "name": "Z",
                "position": 2,
                "stddev": 1.64334322,
                "variance": 2.700576939
              },
              {
                "average": 11.89932741,
                "count": 3038722,
                "maximum": 8407,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 37.74005091,
                "variance": 1424.311442
              },
              {
                "average": 1.048799462,
                "count": 3038722,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2172328831,
                "variance": 0.04719012549
              },
              {
                "average": 1.055580603,
                "count": 3038722,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2315333143,
                "variance": 0.05360767563
              },
              {
                "average": 1,
                "count": 3038722,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3038722,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3038722,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.7937471,
                "count": 3038722,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.107199985,
                "variance": 4.440291779
              },
              {
                "average": 107.3769354,
                "count": 3038722,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 72.84106652,
                "variance": 5305.820972
              },
              {
                "average": 4.043131619,
                "count": 3038722,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.498677776,
                "variance": 2.246035077
              },
              {
                "average": 63741346.42,
                "count": 3038722,
                "maximum": 63743852.15,
                "minimum": 63679266.59,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6229.235045,
                "variance": 38803369.24
              },
              {
                "average": 0,
                "count": 3038722,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3038722,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3038722,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3038722,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3038722,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9697,
              2360998.484,
              -9.731954583,
              636000.0097,
              2361998.484,
              -0.6319545832
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9697403212,
                    2360998.483985679,
                    -9.731954583248628
                  ],
                  [
                    634999.9697403212,
                    2361998.483985679,
                    -9.731954583248628
                  ],
                  [
                    636000.0097403212,
                    2361998.483985679,
                    -0.631954583248628
                  ],
                  [
                    636000.0097403212,
                    2360998.483985679,
                    -0.631954583248628
                  ],
                  [
                    634999.9697403212,
                    2360998.483985679,
                    -9.731954583248628
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:24:12+00:00",
            "end_time": "2013-09-20T02:27:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3360.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71745585233379,
              21.337105717692857,
              1.053374552516072
            ],
            [
              -157.7173773028471,
              21.34613890676236,
              1.053374552516072
            ],
            [
              -157.70773498053987,
              21.346065008608022,
              36.93337455251607
            ],
            [
              -157.70781412328068,
              21.337031853526184,
              36.93337455251607
            ],
            [
              -157.71745585233379,
              21.337105717692857,
              1.053374552516072
            ]
          ]
        ]
      },
      "bbox": [
        -157.7174559,
        21.33703185,
        1.053374553,
        -157.707735,
        21.34613891,
        36.93337455
      ],
      "properties": {
        "datetime": "2013-09-21T00:54:43Z",
        "pc:count": 6554568,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633599.1433,
            "count": 6554568,
            "maximum": 633999.9588,
            "minimum": 632999.9188,
            "name": "X",
            "position": 0,
            "stddev": 261.4398683,
            "variance": 68350.80472
          },
          {
            "average": 2360554.91,
            "count": 6554568,
            "maximum": 2360998.484,
            "minimum": 2359998.464,
            "name": "Y",
            "position": 1,
            "stddev": 269.3068529,
            "variance": 72526.181
          },
          {
            "average": 10.49961433,
            "count": 6554568,
            "maximum": 36.93337455,
            "minimum": 1.053374553,
            "name": "Z",
            "position": 2,
            "stddev": 5.097054268,
            "variance": 25.97996221
          },
          {
            "average": 16.55714168,
            "count": 6554568,
            "maximum": 999,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 31.01267105,
            "variance": 961.7857656
          },
          {
            "average": 1.70570036,
            "count": 6554568,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.009241808,
            "variance": 1.018569028
          },
          {
            "average": 2.411700664,
            "count": 6554568,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.427187121,
            "variance": 2.036863079
          },
          {
            "average": 1,
            "count": 6554568,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6554568,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.164291834,
            "count": 6554568,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3705402117,
            "variance": 0.1373000485
          },
          {
            "average": 20.04760798,
            "count": 6554568,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.364239949,
            "variance": 5.589630538
          },
          {
            "average": 91.54415135,
            "count": 6554568,
            "maximum": 203,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.84314487,
            "variance": 4468.006016
          },
          {
            "average": 3.598653641,
            "count": 6554568,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.191857353,
            "variance": 1.420523949
          },
          {
            "average": 63759133.55,
            "count": 6554568,
            "maximum": 63760083.38,
            "minimum": 63745364.12,
            "name": "GpsTime",
            "position": 12,
            "stddev": 755.2623963,
            "variance": 570421.2872
          },
          {
            "average": 0,
            "count": 6554568,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6554568,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6554568,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6554568,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6554568,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9188,
          2359998.464,
          1.053374553,
          633999.9588,
          2360998.484,
          36.93337455
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9188142851,
                2359998.4640223687,
                1.053374552516072
              ],
              [
                632999.9188142851,
                2360998.484022368,
                1.053374552516072
              ],
              [
                633999.9588142851,
                2360998.484022368,
                36.93337455251607
              ],
              [
                633999.9588142851,
                2359998.4640223687,
                36.93337455251607
              ],
              [
                632999.9188142851,
                2359998.4640223687,
                1.053374552516072
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:54:43+00:00",
        "end_time": "2013-09-20T20:49:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3360.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3360.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3360.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3360.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7174559,
            21.33703185,
            1.053374553,
            -157.707735,
            21.34613891,
            36.93337455
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71745585233379,
                  21.337105717692857,
                  1.053374552516072
                ],
                [
                  -157.7173773028471,
                  21.34613890676236,
                  1.053374552516072
                ],
                [
                  -157.70773498053987,
                  21.346065008608022,
                  36.93337455251607
                ],
                [
                  -157.70781412328068,
                  21.337031853526184,
                  36.93337455251607
                ],
                [
                  -157.71745585233379,
                  21.337105717692857,
                  1.053374552516072
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3360.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3360.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:54:43Z",
            "pc:count": 6554568,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633599.1433,
                "count": 6554568,
                "maximum": 633999.9588,
                "minimum": 632999.9188,
                "name": "X",
                "position": 0,
                "stddev": 261.4398683,
                "variance": 68350.80472
              },
              {
                "average": 2360554.91,
                "count": 6554568,
                "maximum": 2360998.484,
                "minimum": 2359998.464,
                "name": "Y",
                "position": 1,
                "stddev": 269.3068529,
                "variance": 72526.181
              },
              {
                "average": 10.49961433,
                "count": 6554568,
                "maximum": 36.93337455,
                "minimum": 1.053374553,
                "name": "Z",
                "position": 2,
                "stddev": 5.097054268,
                "variance": 25.97996221
              },
              {
                "average": 16.55714168,
                "count": 6554568,
                "maximum": 999,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 31.01267105,
                "variance": 961.7857656
              },
              {
                "average": 1.70570036,
                "count": 6554568,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.009241808,
                "variance": 1.018569028
              },
              {
                "average": 2.411700664,
                "count": 6554568,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.427187121,
                "variance": 2.036863079
              },
              {
                "average": 1,
                "count": 6554568,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6554568,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.164291834,
                "count": 6554568,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3705402117,
                "variance": 0.1373000485
              },
              {
                "average": 20.04760798,
                "count": 6554568,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.364239949,
                "variance": 5.589630538
              },
              {
                "average": 91.54415135,
                "count": 6554568,
                "maximum": 203,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.84314487,
                "variance": 4468.006016
              },
              {
                "average": 3.598653641,
                "count": 6554568,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.191857353,
                "variance": 1.420523949
              },
              {
                "average": 63759133.55,
                "count": 6554568,
                "maximum": 63760083.38,
                "minimum": 63745364.12,
                "name": "GpsTime",
                "position": 12,
                "stddev": 755.2623963,
                "variance": 570421.2872
              },
              {
                "average": 0,
                "count": 6554568,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6554568,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6554568,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6554568,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6554568,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9188,
              2359998.464,
              1.053374553,
              633999.9588,
              2360998.484,
              36.93337455
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9188142851,
                    2359998.4640223687,
                    1.053374552516072
                  ],
                  [
                    632999.9188142851,
                    2360998.484022368,
                    1.053374552516072
                  ],
                  [
                    633999.9588142851,
                    2360998.484022368,
                    36.93337455251607
                  ],
                  [
                    633999.9588142851,
                    2359998.4640223687,
                    36.93337455251607
                  ],
                  [
                    632999.9188142851,
                    2359998.4640223687,
                    1.053374552516072
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:54:43+00:00",
            "end_time": "2013-09-20T20:49:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3260.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.72169753710511,
              21.3425069829555,
              5.100313158008667
            ],
            [
              -157.72166577532545,
              21.346171498594032,
              5.100313158008667
            ],
            [
              -157.71737722082926,
              21.346138809243463,
              36.88031315800867
            ],
            [
              -157.71740908975406,
              21.342474299694736,
              36.88031315800867
            ],
            [
              -157.72169753710511,
              21.3425069829555,
              5.100313158008667
            ]
          ]
        ]
      },
      "bbox": [
        -157.7216975,
        21.3424743,
        5.100313158,
        -157.7173772,
        21.3461715,
        36.88031316
      ],
      "properties": {
        "datetime": "2013-09-21T00:54:26Z",
        "pc:count": 542149,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632846.2784,
            "count": 542149,
            "maximum": 632999.9274,
            "minimum": 632555.1474,
            "name": "X",
            "position": 0,
            "stddev": 113.1672556,
            "variance": 12806.82775
          },
          {
            "average": 2360858.032,
            "count": 542149,
            "maximum": 2360998.473,
            "minimum": 2360592.793,
            "name": "Y",
            "position": 1,
            "stddev": 104.9619122,
            "variance": 11017.00301
          },
          {
            "average": 14.51623369,
            "count": 542149,
            "maximum": 36.88031316,
            "minimum": 5.100313158,
            "name": "Z",
            "position": 2,
            "stddev": 5.747504176,
            "variance": 33.03380426
          },
          {
            "average": 15.19556985,
            "count": 542149,
            "maximum": 843,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.1878656,
            "variance": 739.1800359
          },
          {
            "average": 1.579549165,
            "count": 542149,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9057799932,
            "variance": 0.8204373961
          },
          {
            "average": 2.157338665,
            "count": 542149,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.288397113,
            "variance": 1.659967121
          },
          {
            "average": 1,
            "count": 542149,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 542149,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.164165202,
            "count": 542149,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.370425757,
            "variance": 0.1372152414
          },
          {
            "average": 20.17898232,
            "count": 542149,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.891495681,
            "variance": 3.57775591
          },
          {
            "average": 91.0289865,
            "count": 542149,
            "maximum": 196,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.74572492,
            "variance": 4454.991795
          },
          {
            "average": 4.873176931,
            "count": 542149,
            "maximum": 5,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.3327749726,
            "variance": 0.1107391824
          },
          {
            "average": 63759953.08,
            "count": 542149,
            "maximum": 63760066.73,
            "minimum": 63759205.53,
            "name": "GpsTime",
            "position": 12,
            "stddev": 283.9845384,
            "variance": 80647.21802
          },
          {
            "average": 0,
            "count": 542149,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 542149,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 542149,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 542149,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 542149,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632555.1474,
          2360592.793,
          5.100313158,
          632999.9274,
          2360998.473,
          36.88031316
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632555.1474080231,
                2360592.7932965625,
                5.100313158008667
              ],
              [
                632555.1474080231,
                2360998.473296562,
                5.100313158008667
              ],
              [
                632999.9274080232,
                2360998.473296562,
                36.88031315800867
              ],
              [
                632999.9274080232,
                2360592.7932965625,
                36.88031315800867
              ],
              [
                632555.1474080231,
                2360592.7932965625,
                5.100313158008667
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:54:26+00:00",
        "end_time": "2013-09-21T00:40:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3260.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3260.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3260.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3260.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7216975,
            21.3424743,
            5.100313158,
            -157.7173772,
            21.3461715,
            36.88031316
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.72169753710511,
                  21.3425069829555,
                  5.100313158008667
                ],
                [
                  -157.72166577532545,
                  21.346171498594032,
                  5.100313158008667
                ],
                [
                  -157.71737722082926,
                  21.346138809243463,
                  36.88031315800867
                ],
                [
                  -157.71740908975406,
                  21.342474299694736,
                  36.88031315800867
                ],
                [
                  -157.72169753710511,
                  21.3425069829555,
                  5.100313158008667
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3260.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3260.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:54:26Z",
            "pc:count": 542149,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632846.2784,
                "count": 542149,
                "maximum": 632999.9274,
                "minimum": 632555.1474,
                "name": "X",
                "position": 0,
                "stddev": 113.1672556,
                "variance": 12806.82775
              },
              {
                "average": 2360858.032,
                "count": 542149,
                "maximum": 2360998.473,
                "minimum": 2360592.793,
                "name": "Y",
                "position": 1,
                "stddev": 104.9619122,
                "variance": 11017.00301
              },
              {
                "average": 14.51623369,
                "count": 542149,
                "maximum": 36.88031316,
                "minimum": 5.100313158,
                "name": "Z",
                "position": 2,
                "stddev": 5.747504176,
                "variance": 33.03380426
              },
              {
                "average": 15.19556985,
                "count": 542149,
                "maximum": 843,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.1878656,
                "variance": 739.1800359
              },
              {
                "average": 1.579549165,
                "count": 542149,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9057799932,
                "variance": 0.8204373961
              },
              {
                "average": 2.157338665,
                "count": 542149,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.288397113,
                "variance": 1.659967121
              },
              {
                "average": 1,
                "count": 542149,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 542149,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.164165202,
                "count": 542149,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.370425757,
                "variance": 0.1372152414
              },
              {
                "average": 20.17898232,
                "count": 542149,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.891495681,
                "variance": 3.57775591
              },
              {
                "average": 91.0289865,
                "count": 542149,
                "maximum": 196,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.74572492,
                "variance": 4454.991795
              },
              {
                "average": 4.873176931,
                "count": 542149,
                "maximum": 5,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.3327749726,
                "variance": 0.1107391824
              },
              {
                "average": 63759953.08,
                "count": 542149,
                "maximum": 63760066.73,
                "minimum": 63759205.53,
                "name": "GpsTime",
                "position": 12,
                "stddev": 283.9845384,
                "variance": 80647.21802
              },
              {
                "average": 0,
                "count": 542149,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 542149,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 542149,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 542149,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 542149,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632555.1474,
              2360592.793,
              5.100313158,
              632999.9274,
              2360998.473,
              36.88031316
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632555.1474080231,
                    2360592.7932965625,
                    5.100313158008667
                  ],
                  [
                    632555.1474080231,
                    2360998.473296562,
                    5.100313158008667
                  ],
                  [
                    632999.9274080232,
                    2360998.473296562,
                    36.88031315800867
                  ],
                  [
                    632999.9274080232,
                    2360592.7932965625,
                    36.88031315800867
                  ],
                  [
                    632555.1474080231,
                    2360592.7932965625,
                    5.100313158008667
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:54:26+00:00",
            "end_time": "2013-09-21T00:40:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3857.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.66949264581856,
              21.30963248877259,
              -8.364516059712543
            ],
            [
              -157.66941125217343,
              21.318665535727675,
              -8.364516059712543
            ],
            [
              -157.6597709176189,
              21.3185889782576,
              216.79548394028745
            ],
            [
              -157.659852900341,
              21.30955596684148,
              216.79548394028745
            ],
            [
              -157.66949264581856,
              21.30963248877259,
              -8.364516059712543
            ]
          ]
        ]
      },
      "bbox": [
        -157.6694926,
        21.30955597,
        -8.36451606,
        -157.6597709,
        21.31866554,
        216.7954839
      ],
      "properties": {
        "datetime": "2013-09-19T19:01:38Z",
        "pc:count": 3532622,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638568.4557,
            "count": 3532622,
            "maximum": 639000.0897,
            "minimum": 638000.0497,
            "name": "X",
            "position": 0,
            "stddev": 258.3113698,
            "variance": 66724.76374
          },
          {
            "average": 2357584.398,
            "count": 3532622,
            "maximum": 2357998.505,
            "minimum": 2356998.485,
            "name": "Y",
            "position": 1,
            "stddev": 248.5223356,
            "variance": 61763.35129
          },
          {
            "average": 21.20400872,
            "count": 3532622,
            "maximum": 216.7954839,
            "minimum": -8.36451606,
            "name": "Z",
            "position": 2,
            "stddev": 35.75943863,
            "variance": 1278.737451
          },
          {
            "average": 20.43970314,
            "count": 3532622,
            "maximum": 2443,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.10336995,
            "variance": 1303.453321
          },
          {
            "average": 1.26357193,
            "count": 3532622,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6463410275,
            "variance": 0.4177567239
          },
          {
            "average": 1.527395798,
            "count": 3532622,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9922460929,
            "variance": 0.9845523089
          },
          {
            "average": 1,
            "count": 3532622,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3532622,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.521546319,
            "count": 3532622,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.68289027,
            "variance": 160.8557056
          },
          {
            "average": 20.10364193,
            "count": 3532622,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.969833723,
            "variance": 3.880244897
          },
          {
            "average": 90.34772642,
            "count": 3532622,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.18230853,
            "variance": 4513.462579
          },
          {
            "average": 4.51748786,
            "count": 3532622,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.147620422,
            "variance": 1.317032632
          },
          {
            "average": 63651718.7,
            "count": 3532622,
            "maximum": 63652498.64,
            "minimum": 63650316.4,
            "name": "GpsTime",
            "position": 12,
            "stddev": 549.9286103,
            "variance": 302421.4764
          },
          {
            "average": 0,
            "count": 3532622,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3532622,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3532622,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3532622,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3532622,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.0497,
          2356998.485,
          -8.36451606,
          639000.0897,
          2357998.505,
          216.7954839
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.0497288482,
                2356998.4846788254,
                -8.364516059712543
              ],
              [
                638000.0497288482,
                2357998.504678825,
                -8.364516059712543
              ],
              [
                639000.0897288482,
                2357998.504678825,
                216.79548394028745
              ],
              [
                639000.0897288482,
                2356998.4846788254,
                216.79548394028745
              ],
              [
                638000.0497288482,
                2356998.4846788254,
                -8.364516059712543
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:01:38+00:00",
        "end_time": "2013-09-19T18:25:16+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3857.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3857.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3857.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3857.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6694926,
            21.30955597,
            -8.36451606,
            -157.6597709,
            21.31866554,
            216.7954839
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.66949264581856,
                  21.30963248877259,
                  -8.364516059712543
                ],
                [
                  -157.66941125217343,
                  21.318665535727675,
                  -8.364516059712543
                ],
                [
                  -157.6597709176189,
                  21.3185889782576,
                  216.79548394028745
                ],
                [
                  -157.659852900341,
                  21.30955596684148,
                  216.79548394028745
                ],
                [
                  -157.66949264581856,
                  21.30963248877259,
                  -8.364516059712543
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3857.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3857.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:01:38Z",
            "pc:count": 3532622,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638568.4557,
                "count": 3532622,
                "maximum": 639000.0897,
                "minimum": 638000.0497,
                "name": "X",
                "position": 0,
                "stddev": 258.3113698,
                "variance": 66724.76374
              },
              {
                "average": 2357584.398,
                "count": 3532622,
                "maximum": 2357998.505,
                "minimum": 2356998.485,
                "name": "Y",
                "position": 1,
                "stddev": 248.5223356,
                "variance": 61763.35129
              },
              {
                "average": 21.20400872,
                "count": 3532622,
                "maximum": 216.7954839,
                "minimum": -8.36451606,
                "name": "Z",
                "position": 2,
                "stddev": 35.75943863,
                "variance": 1278.737451
              },
              {
                "average": 20.43970314,
                "count": 3532622,
                "maximum": 2443,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.10336995,
                "variance": 1303.453321
              },
              {
                "average": 1.26357193,
                "count": 3532622,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6463410275,
                "variance": 0.4177567239
              },
              {
                "average": 1.527395798,
                "count": 3532622,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9922460929,
                "variance": 0.9845523089
              },
              {
                "average": 1,
                "count": 3532622,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3532622,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.521546319,
                "count": 3532622,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.68289027,
                "variance": 160.8557056
              },
              {
                "average": 20.10364193,
                "count": 3532622,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.969833723,
                "variance": 3.880244897
              },
              {
                "average": 90.34772642,
                "count": 3532622,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.18230853,
                "variance": 4513.462579
              },
              {
                "average": 4.51748786,
                "count": 3532622,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.147620422,
                "variance": 1.317032632
              },
              {
                "average": 63651718.7,
                "count": 3532622,
                "maximum": 63652498.64,
                "minimum": 63650316.4,
                "name": "GpsTime",
                "position": 12,
                "stddev": 549.9286103,
                "variance": 302421.4764
              },
              {
                "average": 0,
                "count": 3532622,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3532622,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3532622,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3532622,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3532622,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.0497,
              2356998.485,
              -8.36451606,
              639000.0897,
              2357998.505,
              216.7954839
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.0497288482,
                    2356998.4846788254,
                    -8.364516059712543
                  ],
                  [
                    638000.0497288482,
                    2357998.504678825,
                    -8.364516059712543
                  ],
                  [
                    639000.0897288482,
                    2357998.504678825,
                    216.79548394028745
                  ],
                  [
                    639000.0897288482,
                    2356998.4846788254,
                    216.79548394028745
                  ],
                  [
                    638000.0497288482,
                    2356998.4846788254,
                    -8.364516059712543
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:01:38+00:00",
            "end_time": "2013-09-19T18:25:16+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3956.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.65993492927996,
              21.300523210683583,
              -8.221436556860965
            ],
            [
              -157.6598529930689,
              21.309556051453974,
              -8.221436556860965
            ],
            [
              -157.6502132907078,
              21.309478977496912,
              205.01856344313904
            ],
            [
              -157.65029581555538,
              21.300446172525454,
              205.01856344313904
            ],
            [
              -157.65993492927996,
              21.300523210683583,
              -8.221436556860965
            ]
          ]
        ]
      },
      "bbox": [
        -157.6599349,
        21.30044617,
        -8.221436557,
        -157.6502133,
        21.30955605,
        205.0185634
      ],
      "properties": {
        "datetime": "2013-09-22T18:40:39Z",
        "pc:count": 5526466,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 639586.5204,
            "count": 5526466,
            "maximum": 640000.12,
            "minimum": 639000.08,
            "name": "X",
            "position": 0,
            "stddev": 281.8784616,
            "variance": 79455.46712
          },
          {
            "average": 2356401.901,
            "count": 5526466,
            "maximum": 2356998.494,
            "minimum": 2355998.494,
            "name": "Y",
            "position": 1,
            "stddev": 289.9549914,
            "variance": 84073.89703
          },
          {
            "average": 69.87000308,
            "count": 5526466,
            "maximum": 205.0185634,
            "minimum": -8.221436557,
            "name": "Z",
            "position": 2,
            "stddev": 49.79224516,
            "variance": 2479.267678
          },
          {
            "average": 20.84529824,
            "count": 5526466,
            "maximum": 1032,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.15527921,
            "variance": 737.4091889
          },
          {
            "average": 1.347294998,
            "count": 5526466,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.70431368,
            "variance": 0.4960577598
          },
          {
            "average": 1.694765878,
            "count": 5526466,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.04886832,
            "variance": 1.100124752
          },
          {
            "average": 1,
            "count": 5526466,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5526466,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.219069293,
            "count": 5526466,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.4548830632,
            "variance": 0.2069186012
          },
          {
            "average": 19.93586411,
            "count": 5526466,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.011504321,
            "variance": 4.046149635
          },
          {
            "average": 90.6671703,
            "count": 5526466,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 65.38017215,
            "variance": 4274.56691
          },
          {
            "average": 7.147627978,
            "count": 5526466,
            "maximum": 29,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 6.520403836,
            "variance": 42.51566618
          },
          {
            "average": 63677567,
            "count": 5526466,
            "maximum": 63910439.54,
            "minimum": 63381983.52,
            "name": "GpsTime",
            "position": 12,
            "stddev": 227304.7189,
            "variance": 51667435240.0
          },
          {
            "average": 0,
            "count": 5526466,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5526466,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5526466,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5526466,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5526466,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          639000.08,
          2355998.494,
          -8.221436557,
          640000.12,
          2356998.494,
          205.0185634
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                639000.080030167,
                2355998.4939635824,
                -8.221436556860965
              ],
              [
                639000.080030167,
                2356998.4939635824,
                -8.221436556860965
              ],
              [
                640000.120030167,
                2356998.4939635824,
                205.01856344313904
              ],
              [
                640000.120030167,
                2355998.4939635824,
                205.01856344313904
              ],
              [
                639000.080030167,
                2355998.4939635824,
                -8.221436556860965
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:40:39+00:00",
        "end_time": "2013-09-16T15:53:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3956.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3956.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3956.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3956.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6599349,
            21.30044617,
            -8.221436557,
            -157.6502133,
            21.30955605,
            205.0185634
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.65993492927996,
                  21.300523210683583,
                  -8.221436556860965
                ],
                [
                  -157.6598529930689,
                  21.309556051453974,
                  -8.221436556860965
                ],
                [
                  -157.6502132907078,
                  21.309478977496912,
                  205.01856344313904
                ],
                [
                  -157.65029581555538,
                  21.300446172525454,
                  205.01856344313904
                ],
                [
                  -157.65993492927996,
                  21.300523210683583,
                  -8.221436556860965
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3956.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3956.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:40:39Z",
            "pc:count": 5526466,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 639586.5204,
                "count": 5526466,
                "maximum": 640000.12,
                "minimum": 639000.08,
                "name": "X",
                "position": 0,
                "stddev": 281.8784616,
                "variance": 79455.46712
              },
              {
                "average": 2356401.901,
                "count": 5526466,
                "maximum": 2356998.494,
                "minimum": 2355998.494,
                "name": "Y",
                "position": 1,
                "stddev": 289.9549914,
                "variance": 84073.89703
              },
              {
                "average": 69.87000308,
                "count": 5526466,
                "maximum": 205.0185634,
                "minimum": -8.221436557,
                "name": "Z",
                "position": 2,
                "stddev": 49.79224516,
                "variance": 2479.267678
              },
              {
                "average": 20.84529824,
                "count": 5526466,
                "maximum": 1032,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.15527921,
                "variance": 737.4091889
              },
              {
                "average": 1.347294998,
                "count": 5526466,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.70431368,
                "variance": 0.4960577598
              },
              {
                "average": 1.694765878,
                "count": 5526466,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.04886832,
                "variance": 1.100124752
              },
              {
                "average": 1,
                "count": 5526466,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5526466,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.219069293,
                "count": 5526466,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.4548830632,
                "variance": 0.2069186012
              },
              {
                "average": 19.93586411,
                "count": 5526466,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.011504321,
                "variance": 4.046149635
              },
              {
                "average": 90.6671703,
                "count": 5526466,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 65.38017215,
                "variance": 4274.56691
              },
              {
                "average": 7.147627978,
                "count": 5526466,
                "maximum": 29,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 6.520403836,
                "variance": 42.51566618
              },
              {
                "average": 63677567,
                "count": 5526466,
                "maximum": 63910439.54,
                "minimum": 63381983.52,
                "name": "GpsTime",
                "position": 12,
                "stddev": 227304.7189,
                "variance": 51667435240.0
              },
              {
                "average": 0,
                "count": 5526466,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5526466,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5526466,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5526466,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5526466,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              639000.08,
              2355998.494,
              -8.221436557,
              640000.12,
              2356998.494,
              205.0185634
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    639000.080030167,
                    2355998.4939635824,
                    -8.221436556860965
                  ],
                  [
                    639000.080030167,
                    2356998.4939635824,
                    -8.221436556860965
                  ],
                  [
                    640000.120030167,
                    2356998.4939635824,
                    205.01856344313904
                  ],
                  [
                    640000.120030167,
                    2355998.4939635824,
                    205.01856344313904
                  ],
                  [
                    639000.080030167,
                    2355998.4939635824,
                    -8.221436556860965
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:40:39+00:00",
            "end_time": "2013-09-16T15:53:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3562.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.69801316063482,
              21.355023488350646,
              -9.60174780459466
            ],
            [
              -157.69793336191384,
              21.36405640719803,
              -9.60174780459466
            ],
            [
              -157.68829013109647,
              21.363981335140387,
              0.058252195405339
            ],
            [
              -157.68837052484332,
              21.354948450714588,
              0.058252195405339
            ],
            [
              -157.69801316063482,
              21.355023488350646,
              -9.60174780459466
            ]
          ]
        ]
      },
      "bbox": [
        -157.6980132,
        21.35494845,
        -9.601747805,
        -157.6882901,
        21.36405641,
        0.05825219541
      ],
      "properties": {
        "datetime": "2013-09-20T19:49:43Z",
        "pc:count": 2419559,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635483,
            "count": 2419559,
            "maximum": 635999.9955,
            "minimum": 634999.9755,
            "name": "X",
            "position": 0,
            "stddev": 261.3183478,
            "variance": 68287.27891
          },
          {
            "average": 2362659.899,
            "count": 2419559,
            "maximum": 2362998.484,
            "minimum": 2361998.484,
            "name": "Y",
            "position": 1,
            "stddev": 238.4957157,
            "variance": 56880.20639
          },
          {
            "average": -4.115033598,
            "count": 2419559,
            "maximum": 0.05825219541,
            "minimum": -9.601747805,
            "name": "Z",
            "position": 2,
            "stddev": 1.355098154,
            "variance": 1.836291006
          },
          {
            "average": 10.89511353,
            "count": 2419559,
            "maximum": 8349,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 32.00901769,
            "variance": 1024.577213
          },
          {
            "average": 1.07031612,
            "count": 2419559,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2613529866,
            "variance": 0.06830538359
          },
          {
            "average": 1.085457722,
            "count": 2419559,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2857685029,
            "variance": 0.08166363727
          },
          {
            "average": 1,
            "count": 2419559,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2419559,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2419559,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.09274315,
            "count": 2419559,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.825888648,
            "variance": 3.333869354
          },
          {
            "average": 104.7512344,
            "count": 2419559,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 74.11383814,
            "variance": 5492.861004
          },
          {
            "average": 3.980820472,
            "count": 2419559,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.772672889,
            "variance": 14.23306073
          },
          {
            "average": 63684846.79,
            "count": 2419559,
            "maximum": 63741783.12,
            "minimum": 63657797.61,
            "name": "GpsTime",
            "position": 12,
            "stddev": 29084.7319,
            "variance": 845921629.7
          },
          {
            "average": 0,
            "count": 2419559,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2419559,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2419559,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2419559,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2419559,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9755,
          2361998.484,
          -9.601747805,
          635999.9955,
          2362998.484,
          0.05825219541
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9754592776,
                2361998.4840127234,
                -9.60174780459466
              ],
              [
                634999.9754592776,
                2362998.4840127234,
                -9.60174780459466
              ],
              [
                635999.9954592776,
                2362998.4840127234,
                0.058252195405339
              ],
              [
                635999.9954592776,
                2361998.4840127234,
                0.058252195405339
              ],
              [
                634999.9754592776,
                2361998.4840127234,
                -9.60174780459466
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:49:43+00:00",
        "end_time": "2013-09-19T20:29:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3562.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3562.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3562.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3562.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6980132,
            21.35494845,
            -9.601747805,
            -157.6882901,
            21.36405641,
            0.05825219541
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.69801316063482,
                  21.355023488350646,
                  -9.60174780459466
                ],
                [
                  -157.69793336191384,
                  21.36405640719803,
                  -9.60174780459466
                ],
                [
                  -157.68829013109647,
                  21.363981335140387,
                  0.058252195405339
                ],
                [
                  -157.68837052484332,
                  21.354948450714588,
                  0.058252195405339
                ],
                [
                  -157.69801316063482,
                  21.355023488350646,
                  -9.60174780459466
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3562.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3562.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:49:43Z",
            "pc:count": 2419559,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635483,
                "count": 2419559,
                "maximum": 635999.9955,
                "minimum": 634999.9755,
                "name": "X",
                "position": 0,
                "stddev": 261.3183478,
                "variance": 68287.27891
              },
              {
                "average": 2362659.899,
                "count": 2419559,
                "maximum": 2362998.484,
                "minimum": 2361998.484,
                "name": "Y",
                "position": 1,
                "stddev": 238.4957157,
                "variance": 56880.20639
              },
              {
                "average": -4.115033598,
                "count": 2419559,
                "maximum": 0.05825219541,
                "minimum": -9.601747805,
                "name": "Z",
                "position": 2,
                "stddev": 1.355098154,
                "variance": 1.836291006
              },
              {
                "average": 10.89511353,
                "count": 2419559,
                "maximum": 8349,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 32.00901769,
                "variance": 1024.577213
              },
              {
                "average": 1.07031612,
                "count": 2419559,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2613529866,
                "variance": 0.06830538359
              },
              {
                "average": 1.085457722,
                "count": 2419559,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2857685029,
                "variance": 0.08166363727
              },
              {
                "average": 1,
                "count": 2419559,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2419559,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2419559,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.09274315,
                "count": 2419559,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.825888648,
                "variance": 3.333869354
              },
              {
                "average": 104.7512344,
                "count": 2419559,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 74.11383814,
                "variance": 5492.861004
              },
              {
                "average": 3.980820472,
                "count": 2419559,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.772672889,
                "variance": 14.23306073
              },
              {
                "average": 63684846.79,
                "count": 2419559,
                "maximum": 63741783.12,
                "minimum": 63657797.61,
                "name": "GpsTime",
                "position": 12,
                "stddev": 29084.7319,
                "variance": 845921629.7
              },
              {
                "average": 0,
                "count": 2419559,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2419559,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2419559,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2419559,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2419559,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9755,
              2361998.484,
              -9.601747805,
              635999.9955,
              2362998.484,
              0.05825219541
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9754592776,
                    2361998.4840127234,
                    -9.60174780459466
                  ],
                  [
                    634999.9754592776,
                    2362998.4840127234,
                    -9.60174780459466
                  ],
                  [
                    635999.9954592776,
                    2362998.4840127234,
                    0.058252195405339
                  ],
                  [
                    635999.9954592776,
                    2361998.4840127234,
                    0.058252195405339
                  ],
                  [
                    634999.9754592776,
                    2361998.4840127234,
                    -9.60174780459466
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:49:43+00:00",
            "end_time": "2013-09-19T20:29:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2971.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75518231339007,
              21.436759600349806,
              -0.33435105098393
            ],
            [
              -157.7551056488196,
              21.44579281121848,
              -0.33435105098393
            ],
            [
              -157.74545686303853,
              21.44572076070854,
              31.52564894901607
            ],
            [
              -157.74553412212256,
              21.436687583164463,
              31.52564894901607
            ],
            [
              -157.75518231339007,
              21.436759600349806,
              -0.33435105098393
            ]
          ]
        ]
      },
      "bbox": [
        -157.7551823,
        21.43668758,
        -0.334351051,
        -157.7454569,
        21.44579281,
        31.52564895
      ],
      "properties": {
        "datetime": "2013-09-19T19:33:12Z",
        "pc:count": 5581309,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629497.304,
            "count": 5581309,
            "maximum": 629999.8652,
            "minimum": 628999.8452,
            "name": "X",
            "position": 0,
            "stddev": 296.4798764,
            "variance": 87900.31711
          },
          {
            "average": 2371505.877,
            "count": 5581309,
            "maximum": 2371998.484,
            "minimum": 2370998.464,
            "name": "Y",
            "position": 1,
            "stddev": 295.3349693,
            "variance": 87222.74406
          },
          {
            "average": 5.681333062,
            "count": 5581309,
            "maximum": 31.52564895,
            "minimum": -0.334351051,
            "name": "Z",
            "position": 2,
            "stddev": 3.598944395,
            "variance": 12.95240076
          },
          {
            "average": 35.41983897,
            "count": 5581309,
            "maximum": 930,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 51.499448,
            "variance": 2652.193144
          },
          {
            "average": 1.198212462,
            "count": 5581309,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.559914462,
            "variance": 0.3135042048
          },
          {
            "average": 1.396883419,
            "count": 5581309,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.8603819661,
            "variance": 0.7402571276
          },
          {
            "average": 1,
            "count": 5581309,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5581309,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.85541743,
            "count": 5581309,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.851271052,
            "variance": 14.83228871
          },
          {
            "average": 18.7265477,
            "count": 5581309,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.799560743,
            "variance": 33.63490482
          },
          {
            "average": 92.57820522,
            "count": 5581309,
            "maximum": 197,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 63.79575684,
            "variance": 4069.898591
          },
          {
            "average": 3.320312851,
            "count": 5581309,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.141716524,
            "variance": 4.586949671
          },
          {
            "average": 63594225.71,
            "count": 5581309,
            "maximum": 63654392.19,
            "minimum": 63591842.49,
            "name": "GpsTime",
            "position": 12,
            "stddev": 9048.541327,
            "variance": 81876100.15
          },
          {
            "average": 0,
            "count": 5581309,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5581309,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5581309,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5581309,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5581309,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8452,
          2370998.464,
          -0.334351051,
          629999.8652,
          2371998.484,
          31.52564895
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8452424277,
                2370998.463778117,
                -0.33435105098393
              ],
              [
                628999.8452424277,
                2371998.4837781168,
                -0.33435105098393
              ],
              [
                629999.8652424277,
                2371998.4837781168,
                31.52564894901607
              ],
              [
                629999.8652424277,
                2370998.463778117,
                31.52564894901607
              ],
              [
                628999.8452424277,
                2370998.463778117,
                -0.33435105098393
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:33:12+00:00",
        "end_time": "2013-09-19T02:10:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2971.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2971.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2971.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2971.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7551823,
            21.43668758,
            -0.334351051,
            -157.7454569,
            21.44579281,
            31.52564895
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75518231339007,
                  21.436759600349806,
                  -0.33435105098393
                ],
                [
                  -157.7551056488196,
                  21.44579281121848,
                  -0.33435105098393
                ],
                [
                  -157.74545686303853,
                  21.44572076070854,
                  31.52564894901607
                ],
                [
                  -157.74553412212256,
                  21.436687583164463,
                  31.52564894901607
                ],
                [
                  -157.75518231339007,
                  21.436759600349806,
                  -0.33435105098393
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2971.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2971.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:33:12Z",
            "pc:count": 5581309,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629497.304,
                "count": 5581309,
                "maximum": 629999.8652,
                "minimum": 628999.8452,
                "name": "X",
                "position": 0,
                "stddev": 296.4798764,
                "variance": 87900.31711
              },
              {
                "average": 2371505.877,
                "count": 5581309,
                "maximum": 2371998.484,
                "minimum": 2370998.464,
                "name": "Y",
                "position": 1,
                "stddev": 295.3349693,
                "variance": 87222.74406
              },
              {
                "average": 5.681333062,
                "count": 5581309,
                "maximum": 31.52564895,
                "minimum": -0.334351051,
                "name": "Z",
                "position": 2,
                "stddev": 3.598944395,
                "variance": 12.95240076
              },
              {
                "average": 35.41983897,
                "count": 5581309,
                "maximum": 930,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 51.499448,
                "variance": 2652.193144
              },
              {
                "average": 1.198212462,
                "count": 5581309,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.559914462,
                "variance": 0.3135042048
              },
              {
                "average": 1.396883419,
                "count": 5581309,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.8603819661,
                "variance": 0.7402571276
              },
              {
                "average": 1,
                "count": 5581309,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5581309,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.85541743,
                "count": 5581309,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.851271052,
                "variance": 14.83228871
              },
              {
                "average": 18.7265477,
                "count": 5581309,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.799560743,
                "variance": 33.63490482
              },
              {
                "average": 92.57820522,
                "count": 5581309,
                "maximum": 197,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 63.79575684,
                "variance": 4069.898591
              },
              {
                "average": 3.320312851,
                "count": 5581309,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.141716524,
                "variance": 4.586949671
              },
              {
                "average": 63594225.71,
                "count": 5581309,
                "maximum": 63654392.19,
                "minimum": 63591842.49,
                "name": "GpsTime",
                "position": 12,
                "stddev": 9048.541327,
                "variance": 81876100.15
              },
              {
                "average": 0,
                "count": 5581309,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5581309,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5581309,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5581309,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5581309,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8452,
              2370998.464,
              -0.334351051,
              629999.8652,
              2371998.484,
              31.52564895
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8452424277,
                    2370998.463778117,
                    -0.33435105098393
                  ],
                  [
                    628999.8452424277,
                    2371998.4837781168,
                    -0.33435105098393
                  ],
                  [
                    629999.8652424277,
                    2371998.4837781168,
                    31.52564894901607
                  ],
                  [
                    629999.8652424277,
                    2370998.463778117,
                    31.52564894901607
                  ],
                  [
                    628999.8452424277,
                    2370998.463778117,
                    -0.33435105098393
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:33:12+00:00",
            "end_time": "2013-09-19T02:10:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3152.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73735700670463,
              21.26498652745148,
              -18.413118149403196
            ],
            [
              -157.7372799473831,
              21.274019866236404,
              -18.413118149403196
            ],
            [
              -157.7276422611847,
              21.273947343984926,
              -2.033118149403199
            ],
            [
              -157.72771990817432,
              21.264914038992718,
              -2.033118149403199
            ],
            [
              -157.73735700670463,
              21.26498652745148,
              -18.413118149403196
            ]
          ]
        ]
      },
      "bbox": [
        -157.737357,
        21.26491404,
        -18.41311815,
        -157.7276423,
        21.27401987,
        -2.033118149
      ],
      "properties": {
        "datetime": "2013-09-22T20:17:22Z",
        "pc:count": 10096198,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631487.754,
            "count": 10096198,
            "maximum": 631999.8871,
            "minimum": 630999.8471,
            "name": "X",
            "position": 0,
            "stddev": 287.6125954,
            "variance": 82721.00504
          },
          {
            "average": 2352597.478,
            "count": 10096198,
            "maximum": 2352998.453,
            "minimum": 2351998.433,
            "name": "Y",
            "position": 1,
            "stddev": 288.0077511,
            "variance": 82948.46467
          },
          {
            "average": -10.89706287,
            "count": 10096198,
            "maximum": -2.033118149,
            "minimum": -18.41311815,
            "name": "Z",
            "position": 2,
            "stddev": 2.879160721,
            "variance": 8.289566458
          },
          {
            "average": 40.75074914,
            "count": 10096198,
            "maximum": 7958,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 104.1113825,
            "variance": 10839.17996
          },
          {
            "average": 1.004818844,
            "count": 10096198,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.06990526681,
            "variance": 0.004886746328
          },
          {
            "average": 1.008799451,
            "count": 10096198,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0944295846,
            "variance": 0.008916946447
          },
          {
            "average": 1,
            "count": 10096198,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10096198,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 10096198,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.72743272,
            "count": 10096198,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.437119395,
            "variance": 11.81378974
          },
          {
            "average": 96.26140513,
            "count": 10096198,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 66.74270147,
            "variance": 4454.588199
          },
          {
            "average": 14.05315298,
            "count": 10096198,
            "maximum": 21,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.225429412,
            "variance": 17.85425372
          },
          {
            "average": 63810221.72,
            "count": 10096198,
            "maximum": 63916242.56,
            "minimum": 63384602.92,
            "name": "GpsTime",
            "position": 12,
            "stddev": 211099.3784,
            "variance": 44562947540.0
          },
          {
            "average": 0,
            "count": 10096198,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10096198,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10096198,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10096198,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10096198,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.8471,
          2351998.433,
          -18.41311815,
          631999.8871,
          2352998.453,
          -2.033118149
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8471086544,
                2351998.4334649555,
                -18.413118149403196
              ],
              [
                630999.8471086544,
                2352998.453464955,
                -18.413118149403196
              ],
              [
                631999.8871086545,
                2352998.453464955,
                -2.033118149403199
              ],
              [
                631999.8871086545,
                2351998.4334649555,
                -2.033118149403199
              ],
              [
                630999.8471086544,
                2351998.4334649555,
                -18.413118149403196
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:17:22+00:00",
        "end_time": "2013-09-16T16:36:42+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3152.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3152.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3152.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3152.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.737357,
            21.26491404,
            -18.41311815,
            -157.7276423,
            21.27401987,
            -2.033118149
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73735700670463,
                  21.26498652745148,
                  -18.413118149403196
                ],
                [
                  -157.7372799473831,
                  21.274019866236404,
                  -18.413118149403196
                ],
                [
                  -157.7276422611847,
                  21.273947343984926,
                  -2.033118149403199
                ],
                [
                  -157.72771990817432,
                  21.264914038992718,
                  -2.033118149403199
                ],
                [
                  -157.73735700670463,
                  21.26498652745148,
                  -18.413118149403196
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3152.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3152.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:17:22Z",
            "pc:count": 10096198,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631487.754,
                "count": 10096198,
                "maximum": 631999.8871,
                "minimum": 630999.8471,
                "name": "X",
                "position": 0,
                "stddev": 287.6125954,
                "variance": 82721.00504
              },
              {
                "average": 2352597.478,
                "count": 10096198,
                "maximum": 2352998.453,
                "minimum": 2351998.433,
                "name": "Y",
                "position": 1,
                "stddev": 288.0077511,
                "variance": 82948.46467
              },
              {
                "average": -10.89706287,
                "count": 10096198,
                "maximum": -2.033118149,
                "minimum": -18.41311815,
                "name": "Z",
                "position": 2,
                "stddev": 2.879160721,
                "variance": 8.289566458
              },
              {
                "average": 40.75074914,
                "count": 10096198,
                "maximum": 7958,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 104.1113825,
                "variance": 10839.17996
              },
              {
                "average": 1.004818844,
                "count": 10096198,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.06990526681,
                "variance": 0.004886746328
              },
              {
                "average": 1.008799451,
                "count": 10096198,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0944295846,
                "variance": 0.008916946447
              },
              {
                "average": 1,
                "count": 10096198,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10096198,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 10096198,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.72743272,
                "count": 10096198,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.437119395,
                "variance": 11.81378974
              },
              {
                "average": 96.26140513,
                "count": 10096198,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 66.74270147,
                "variance": 4454.588199
              },
              {
                "average": 14.05315298,
                "count": 10096198,
                "maximum": 21,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.225429412,
                "variance": 17.85425372
              },
              {
                "average": 63810221.72,
                "count": 10096198,
                "maximum": 63916242.56,
                "minimum": 63384602.92,
                "name": "GpsTime",
                "position": 12,
                "stddev": 211099.3784,
                "variance": 44562947540.0
              },
              {
                "average": 0,
                "count": 10096198,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10096198,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10096198,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10096198,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10096198,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.8471,
              2351998.433,
              -18.41311815,
              631999.8871,
              2352998.453,
              -2.033118149
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8471086544,
                    2351998.4334649555,
                    -18.413118149403196
                  ],
                  [
                    630999.8471086544,
                    2352998.453464955,
                    -18.413118149403196
                  ],
                  [
                    631999.8871086545,
                    2352998.453464955,
                    -2.033118149403199
                  ],
                  [
                    631999.8871086545,
                    2351998.4334649555,
                    -2.033118149403199
                  ],
                  [
                    630999.8471086544,
                    2351998.4334649555,
                    -18.413118149403196
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:17:22+00:00",
            "end_time": "2013-09-16T16:36:42+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3460.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70781430527137,
              21.337031860880888,
              -4.348385265938713
            ],
            [
              -157.70773516254172,
              21.34606501596337,
              -4.348385265938713
            ],
            [
              -157.69809288382203,
              21.345990564561713,
              43.47161473406129
            ],
            [
              -157.698172619479,
              21.336957443758596,
              43.47161473406129
            ],
            [
              -157.70781430527137,
              21.337031860880888,
              -4.348385265938713
            ]
          ]
        ]
      },
      "bbox": [
        -157.7078143,
        21.33695744,
        -4.348385266,
        -157.6980929,
        21.34606502,
        43.47161473
      ],
      "properties": {
        "datetime": "2013-09-21T00:54:43Z",
        "pc:count": 9755676,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634445.8081,
            "count": 9755676,
            "maximum": 634999.9799,
            "minimum": 633999.9399,
            "name": "X",
            "position": 0,
            "stddev": 274.6588097,
            "variance": 75437.46175
          },
          {
            "average": 2360510.147,
            "count": 9755676,
            "maximum": 2360998.485,
            "minimum": 2359998.465,
            "name": "Y",
            "position": 1,
            "stddev": 289.6189871,
            "variance": 83879.15771
          },
          {
            "average": 11.45440809,
            "count": 9755676,
            "maximum": 43.47161473,
            "minimum": -4.348385266,
            "name": "Z",
            "position": 2,
            "stddev": 8.603338519,
            "variance": 74.01743367
          },
          {
            "average": 16.24797872,
            "count": 9755676,
            "maximum": 7255,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.71187439,
            "variance": 1739.880465
          },
          {
            "average": 2.007759483,
            "count": 9755676,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.183813161,
            "variance": 1.401413599
          },
          {
            "average": 3.014867447,
            "count": 9755676,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.626273089,
            "variance": 2.64476416
          },
          {
            "average": 1,
            "count": 9755676,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9755676,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.230292601,
            "count": 9755676,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.433508983,
            "variance": 29.52301987
          },
          {
            "average": 20.01516511,
            "count": 9755676,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.191169576,
            "variance": 4.801224112
          },
          {
            "average": 91.29727894,
            "count": 9755676,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.4211442,
            "variance": 4545.610686
          },
          {
            "average": 4.692260895,
            "count": 9755676,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.897565114,
            "variance": 15.19101382
          },
          {
            "average": 63745107.43,
            "count": 9755676,
            "maximum": 63760083.12,
            "minimum": 63591391.64,
            "name": "GpsTime",
            "position": 12,
            "stddev": 29536.20895,
            "variance": 872387638.9
          },
          {
            "average": 0,
            "count": 9755676,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9755676,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9755676,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9755676,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9755676,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9399,
          2359998.465,
          -4.348385266,
          634999.9799,
          2360998.485,
          43.47161473
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.9399327632,
                2359998.4646816053,
                -4.348385265938713
              ],
              [
                633999.9399327632,
                2360998.484681605,
                -4.348385265938713
              ],
              [
                634999.9799327633,
                2360998.484681605,
                43.47161473406129
              ],
              [
                634999.9799327633,
                2359998.4646816053,
                43.47161473406129
              ],
              [
                633999.9399327632,
                2359998.4646816053,
                -4.348385265938713
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:54:43+00:00",
        "end_time": "2013-09-19T02:03:11+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3460.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3460.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3460.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3460.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7078143,
            21.33695744,
            -4.348385266,
            -157.6980929,
            21.34606502,
            43.47161473
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70781430527137,
                  21.337031860880888,
                  -4.348385265938713
                ],
                [
                  -157.70773516254172,
                  21.34606501596337,
                  -4.348385265938713
                ],
                [
                  -157.69809288382203,
                  21.345990564561713,
                  43.47161473406129
                ],
                [
                  -157.698172619479,
                  21.336957443758596,
                  43.47161473406129
                ],
                [
                  -157.70781430527137,
                  21.337031860880888,
                  -4.348385265938713
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3460.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3460.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:54:43Z",
            "pc:count": 9755676,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634445.8081,
                "count": 9755676,
                "maximum": 634999.9799,
                "minimum": 633999.9399,
                "name": "X",
                "position": 0,
                "stddev": 274.6588097,
                "variance": 75437.46175
              },
              {
                "average": 2360510.147,
                "count": 9755676,
                "maximum": 2360998.485,
                "minimum": 2359998.465,
                "name": "Y",
                "position": 1,
                "stddev": 289.6189871,
                "variance": 83879.15771
              },
              {
                "average": 11.45440809,
                "count": 9755676,
                "maximum": 43.47161473,
                "minimum": -4.348385266,
                "name": "Z",
                "position": 2,
                "stddev": 8.603338519,
                "variance": 74.01743367
              },
              {
                "average": 16.24797872,
                "count": 9755676,
                "maximum": 7255,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.71187439,
                "variance": 1739.880465
              },
              {
                "average": 2.007759483,
                "count": 9755676,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.183813161,
                "variance": 1.401413599
              },
              {
                "average": 3.014867447,
                "count": 9755676,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.626273089,
                "variance": 2.64476416
              },
              {
                "average": 1,
                "count": 9755676,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9755676,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.230292601,
                "count": 9755676,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.433508983,
                "variance": 29.52301987
              },
              {
                "average": 20.01516511,
                "count": 9755676,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.191169576,
                "variance": 4.801224112
              },
              {
                "average": 91.29727894,
                "count": 9755676,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.4211442,
                "variance": 4545.610686
              },
              {
                "average": 4.692260895,
                "count": 9755676,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.897565114,
                "variance": 15.19101382
              },
              {
                "average": 63745107.43,
                "count": 9755676,
                "maximum": 63760083.12,
                "minimum": 63591391.64,
                "name": "GpsTime",
                "position": 12,
                "stddev": 29536.20895,
                "variance": 872387638.9
              },
              {
                "average": 0,
                "count": 9755676,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9755676,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9755676,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9755676,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9755676,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9399,
              2359998.465,
              -4.348385266,
              634999.9799,
              2360998.485,
              43.47161473
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.9399327632,
                    2359998.4646816053,
                    -4.348385265938713
                  ],
                  [
                    633999.9399327632,
                    2360998.484681605,
                    -4.348385265938713
                  ],
                  [
                    634999.9799327633,
                    2360998.484681605,
                    43.47161473406129
                  ],
                  [
                    634999.9799327633,
                    2359998.4646816053,
                    43.47161473406129
                  ],
                  [
                    633999.9399327632,
                    2359998.4646816053,
                    -4.348385265938713
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:54:43+00:00",
            "end_time": "2013-09-19T02:03:11+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3261.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7270195686967,
              21.346212017461493,
              1.177563703735018
            ],
            [
              -157.72694159225304,
              21.35524522879561,
              1.177563703735018
            ],
            [
              -157.71729861478016,
              21.35517185085798,
              37.37756370373502
            ],
            [
              -157.71737719418755,
              21.346138672595337,
              37.37756370373502
            ],
            [
              -157.7270195686967,
              21.346212017461493,
              1.177563703735018
            ]
          ]
        ]
      },
      "bbox": [
        -157.7270196,
        21.34613867,
        1.177563704,
        -157.7172986,
        21.35524523,
        37.3775637
      ],
      "properties": {
        "datetime": "2013-09-21T00:54:22Z",
        "pc:count": 7547749,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632536.6907,
            "count": 7547749,
            "maximum": 632999.9303,
            "minimum": 631999.8903,
            "name": "X",
            "position": 0,
            "stddev": 268.0161547,
            "variance": 71832.65916
          },
          {
            "average": 2361601.238,
            "count": 7547749,
            "maximum": 2361998.478,
            "minimum": 2360998.458,
            "name": "Y",
            "position": 1,
            "stddev": 257.8032653,
            "variance": 66462.52358
          },
          {
            "average": 10.92780943,
            "count": 7547749,
            "maximum": 37.3775637,
            "minimum": 1.177563704,
            "name": "Z",
            "position": 2,
            "stddev": 4.509993835,
            "variance": 20.34004439
          },
          {
            "average": 12.68169199,
            "count": 7547749,
            "maximum": 1023,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.40660367,
            "variance": 645.4955101
          },
          {
            "average": 1.838412751,
            "count": 7547749,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.066305841,
            "variance": 1.137008146
          },
          {
            "average": 2.677166795,
            "count": 7547749,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.456781137,
            "variance": 2.122211281
          },
          {
            "average": 1,
            "count": 7547749,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7547749,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.132893396,
            "count": 7547749,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.339459507,
            "variance": 0.1152327569
          },
          {
            "average": 20.08723786,
            "count": 7547749,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.470072593,
            "variance": 6.101258616
          },
          {
            "average": 91.40293576,
            "count": 7547749,
            "maximum": 202,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.28398395,
            "variance": 4527.134497
          },
          {
            "average": 3.474875887,
            "count": 7547749,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.223359251,
            "variance": 1.496607856
          },
          {
            "average": 63759026.98,
            "count": 7547749,
            "maximum": 63760062.07,
            "minimum": 63745383.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 923.6812201,
            "variance": 853186.9963
          },
          {
            "average": 0,
            "count": 7547749,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7547749,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7547749,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7547749,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7547749,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.8903,
          2360998.458,
          1.177563704,
          632999.9303,
          2361998.478,
          37.3775637
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.8902941965,
                2360998.458192432,
                1.177563703735018
              ],
              [
                631999.8902941965,
                2361998.4781924314,
                1.177563703735018
              ],
              [
                632999.9302941966,
                2361998.4781924314,
                37.37756370373502
              ],
              [
                632999.9302941966,
                2360998.458192432,
                37.37756370373502
              ],
              [
                631999.8902941965,
                2360998.458192432,
                1.177563703735018
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:54:22+00:00",
        "end_time": "2013-09-20T20:49:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3261.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3261.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3261.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3261.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7270196,
            21.34613867,
            1.177563704,
            -157.7172986,
            21.35524523,
            37.3775637
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7270195686967,
                  21.346212017461493,
                  1.177563703735018
                ],
                [
                  -157.72694159225304,
                  21.35524522879561,
                  1.177563703735018
                ],
                [
                  -157.71729861478016,
                  21.35517185085798,
                  37.37756370373502
                ],
                [
                  -157.71737719418755,
                  21.346138672595337,
                  37.37756370373502
                ],
                [
                  -157.7270195686967,
                  21.346212017461493,
                  1.177563703735018
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3261.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3261.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:54:22Z",
            "pc:count": 7547749,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632536.6907,
                "count": 7547749,
                "maximum": 632999.9303,
                "minimum": 631999.8903,
                "name": "X",
                "position": 0,
                "stddev": 268.0161547,
                "variance": 71832.65916
              },
              {
                "average": 2361601.238,
                "count": 7547749,
                "maximum": 2361998.478,
                "minimum": 2360998.458,
                "name": "Y",
                "position": 1,
                "stddev": 257.8032653,
                "variance": 66462.52358
              },
              {
                "average": 10.92780943,
                "count": 7547749,
                "maximum": 37.3775637,
                "minimum": 1.177563704,
                "name": "Z",
                "position": 2,
                "stddev": 4.509993835,
                "variance": 20.34004439
              },
              {
                "average": 12.68169199,
                "count": 7547749,
                "maximum": 1023,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.40660367,
                "variance": 645.4955101
              },
              {
                "average": 1.838412751,
                "count": 7547749,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.066305841,
                "variance": 1.137008146
              },
              {
                "average": 2.677166795,
                "count": 7547749,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.456781137,
                "variance": 2.122211281
              },
              {
                "average": 1,
                "count": 7547749,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7547749,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.132893396,
                "count": 7547749,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.339459507,
                "variance": 0.1152327569
              },
              {
                "average": 20.08723786,
                "count": 7547749,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.470072593,
                "variance": 6.101258616
              },
              {
                "average": 91.40293576,
                "count": 7547749,
                "maximum": 202,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.28398395,
                "variance": 4527.134497
              },
              {
                "average": 3.474875887,
                "count": 7547749,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.223359251,
                "variance": 1.496607856
              },
              {
                "average": 63759026.98,
                "count": 7547749,
                "maximum": 63760062.07,
                "minimum": 63745383.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 923.6812201,
                "variance": 853186.9963
              },
              {
                "average": 0,
                "count": 7547749,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7547749,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7547749,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7547749,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7547749,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.8903,
              2360998.458,
              1.177563704,
              632999.9303,
              2361998.478,
              37.3775637
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.8902941965,
                    2360998.458192432,
                    1.177563703735018
                  ],
                  [
                    631999.8902941965,
                    2361998.4781924314,
                    1.177563703735018
                  ],
                  [
                    632999.9302941966,
                    2361998.4781924314,
                    37.37756370373502
                  ],
                  [
                    632999.9302941966,
                    2360998.458192432,
                    37.37756370373502
                  ],
                  [
                    631999.8902941965,
                    2360998.458192432,
                    1.177563703735018
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:54:22+00:00",
            "end_time": "2013-09-20T20:49:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3563.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.69793330488324,
              21.364056456775508,
              -13.011857965817665
            ],
            [
              -157.69785347377675,
              21.37308936497194,
              -13.011857965817665
            ],
            [
              -157.68820964670456,
              21.37301425856318,
              -0.511857965817666
            ],
            [
              -157.68829007406282,
              21.36398138471444,
              -0.511857965817666
            ],
            [
              -157.69793330488324,
              21.364056456775508,
              -13.011857965817665
            ]
          ]
        ]
      },
      "bbox": [
        -157.6979333,
        21.36398138,
        -13.01185797,
        -157.6882096,
        21.37308936,
        -0.5118579658
      ],
      "properties": {
        "datetime": "2013-09-20T02:28:12Z",
        "pc:count": 3364269,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635473.6293,
            "count": 3364269,
            "maximum": 636000.0013,
            "minimum": 634999.9813,
            "name": "X",
            "position": 0,
            "stddev": 291.7046761,
            "variance": 85091.61806
          },
          {
            "average": 2363438.68,
            "count": 3364269,
            "maximum": 2363998.49,
            "minimum": 2362998.49,
            "name": "Y",
            "position": 1,
            "stddev": 281.8172893,
            "variance": 79420.98452
          },
          {
            "average": -4.225054758,
            "count": 3364269,
            "maximum": -0.5118579658,
            "minimum": -13.01185797,
            "name": "Z",
            "position": 2,
            "stddev": 0.8781441665,
            "variance": 0.7711371771
          },
          {
            "average": 11.80170492,
            "count": 3364269,
            "maximum": 8989,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.35491263,
            "variance": 1321.679672
          },
          {
            "average": 1.034257962,
            "count": 3364269,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1858388856,
            "variance": 0.03453609138
          },
          {
            "average": 1.042985564,
            "count": 3364269,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2078348453,
            "variance": 0.04319532293
          },
          {
            "average": 1,
            "count": 3364269,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3364269,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3364269,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.06264431,
            "count": 3364269,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.086804623,
            "variance": 4.354753536
          },
          {
            "average": 97.66960579,
            "count": 3364269,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 67.88620103,
            "variance": 4608.536291
          },
          {
            "average": 7.511470099,
            "count": 3364269,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.212599623,
            "variance": 4.895597092
          },
          {
            "average": 63659488.9,
            "count": 3364269,
            "maximum": 63679292.48,
            "minimum": 63655023.45,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5605.212868,
            "variance": 31418411.3
          },
          {
            "average": 0,
            "count": 3364269,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3364269,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3364269,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3364269,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3364269,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9813,
          2362998.49,
          -13.01185797,
          636000.0013,
          2363998.49,
          -0.5118579658
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9813276073,
                2362998.4895498515,
                -13.011857965817665
              ],
              [
                634999.9813276073,
                2363998.4895498515,
                -13.011857965817665
              ],
              [
                636000.0013276073,
                2363998.4895498515,
                -0.511857965817666
              ],
              [
                636000.0013276073,
                2362998.4895498515,
                -0.511857965817666
              ],
              [
                634999.9813276073,
                2362998.4895498515,
                -13.011857965817665
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:28:12+00:00",
        "end_time": "2013-09-19T19:43:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3563.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3563.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3563.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3563.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6979333,
            21.36398138,
            -13.01185797,
            -157.6882096,
            21.37308936,
            -0.5118579658
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.69793330488324,
                  21.364056456775508,
                  -13.011857965817665
                ],
                [
                  -157.69785347377675,
                  21.37308936497194,
                  -13.011857965817665
                ],
                [
                  -157.68820964670456,
                  21.37301425856318,
                  -0.511857965817666
                ],
                [
                  -157.68829007406282,
                  21.36398138471444,
                  -0.511857965817666
                ],
                [
                  -157.69793330488324,
                  21.364056456775508,
                  -13.011857965817665
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3563.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3563.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:28:12Z",
            "pc:count": 3364269,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635473.6293,
                "count": 3364269,
                "maximum": 636000.0013,
                "minimum": 634999.9813,
                "name": "X",
                "position": 0,
                "stddev": 291.7046761,
                "variance": 85091.61806
              },
              {
                "average": 2363438.68,
                "count": 3364269,
                "maximum": 2363998.49,
                "minimum": 2362998.49,
                "name": "Y",
                "position": 1,
                "stddev": 281.8172893,
                "variance": 79420.98452
              },
              {
                "average": -4.225054758,
                "count": 3364269,
                "maximum": -0.5118579658,
                "minimum": -13.01185797,
                "name": "Z",
                "position": 2,
                "stddev": 0.8781441665,
                "variance": 0.7711371771
              },
              {
                "average": 11.80170492,
                "count": 3364269,
                "maximum": 8989,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.35491263,
                "variance": 1321.679672
              },
              {
                "average": 1.034257962,
                "count": 3364269,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1858388856,
                "variance": 0.03453609138
              },
              {
                "average": 1.042985564,
                "count": 3364269,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2078348453,
                "variance": 0.04319532293
              },
              {
                "average": 1,
                "count": 3364269,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3364269,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3364269,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.06264431,
                "count": 3364269,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.086804623,
                "variance": 4.354753536
              },
              {
                "average": 97.66960579,
                "count": 3364269,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 67.88620103,
                "variance": 4608.536291
              },
              {
                "average": 7.511470099,
                "count": 3364269,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.212599623,
                "variance": 4.895597092
              },
              {
                "average": 63659488.9,
                "count": 3364269,
                "maximum": 63679292.48,
                "minimum": 63655023.45,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5605.212868,
                "variance": 31418411.3
              },
              {
                "average": 0,
                "count": 3364269,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3364269,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3364269,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3364269,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3364269,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9813,
              2362998.49,
              -13.01185797,
              636000.0013,
              2363998.49,
              -0.5118579658
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9813276073,
                    2362998.4895498515,
                    -13.011857965817665
                  ],
                  [
                    634999.9813276073,
                    2363998.4895498515,
                    -13.011857965817665
                  ],
                  [
                    636000.0013276073,
                    2363998.4895498515,
                    -0.511857965817666
                  ],
                  [
                    636000.0013276073,
                    2362998.4895498515,
                    -0.511857965817666
                  ],
                  [
                    634999.9813276073,
                    2362998.4895498515,
                    -13.011857965817665
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:28:12+00:00",
            "end_time": "2013-09-19T19:43:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3858.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.66941125047217,
              21.318665446613462,
              -13.56326099406537
            ],
            [
              -157.66932978240862,
              21.327698304437504,
              -13.56326099406537
            ],
            [
              -157.65968886169117,
              21.32762171118972,
              13.656739005934629
            ],
            [
              -157.65977091592347,
              21.318588889143598,
              13.656739005934629
            ],
            [
              -157.66941125047217,
              21.318665446613462,
              -13.56326099406537
            ]
          ]
        ]
      },
      "bbox": [
        -157.6694113,
        21.31858889,
        -13.56326099,
        -157.6596889,
        21.3276983,
        13.65673901
      ],
      "properties": {
        "datetime": "2013-09-20T19:48:43Z",
        "pc:count": 5145574,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 638514.2464,
            "count": 5145574,
            "maximum": 639000.09,
            "minimum": 638000.05,
            "name": "X",
            "position": 0,
            "stddev": 294.3999087,
            "variance": 86671.30622
          },
          {
            "average": 2358552.737,
            "count": 5145574,
            "maximum": 2358998.495,
            "minimum": 2357998.495,
            "name": "Y",
            "position": 1,
            "stddev": 287.1194745,
            "variance": 82437.59261
          },
          {
            "average": -6.583442453,
            "count": 5145574,
            "maximum": 13.65673901,
            "minimum": -13.56326099,
            "name": "Z",
            "position": 2,
            "stddev": 2.482480776,
            "variance": 6.162710801
          },
          {
            "average": 13.92620862,
            "count": 5145574,
            "maximum": 5169,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 37.0233824,
            "variance": 1370.730845
          },
          {
            "average": 1.022896571,
            "count": 5145574,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1542295109,
            "variance": 0.02378674204
          },
          {
            "average": 1.041911748,
            "count": 5145574,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.20963763,
            "variance": 0.04394793592
          },
          {
            "average": 1,
            "count": 5145574,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5145574,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.91068771,
            "count": 5145574,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.559984921,
            "variance": 2.433552954
          },
          {
            "average": 19.86316462,
            "count": 5145574,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.689784114,
            "variance": 7.234938581
          },
          {
            "average": 90.51979041,
            "count": 5145574,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.51972393,
            "variance": 4424.873671
          },
          {
            "average": 2.387909493,
            "count": 5145574,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.075490195,
            "variance": 1.156679161
          },
          {
            "average": 63638813.47,
            "count": 5145574,
            "maximum": 63741723.99,
            "minimum": 63590485.09,
            "name": "GpsTime",
            "position": 12,
            "stddev": 52261.59552,
            "variance": 2731274366
          },
          {
            "average": 0,
            "count": 5145574,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5145574,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5145574,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5145574,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5145574,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          638000.05,
          2357998.495,
          -13.56326099,
          639000.09,
          2358998.495,
          13.65673901
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                638000.0499886295,
                2357998.4948154613,
                -13.56326099406537
              ],
              [
                638000.0499886295,
                2358998.4948154613,
                -13.56326099406537
              ],
              [
                639000.0899886296,
                2358998.4948154613,
                13.656739005934629
              ],
              [
                639000.0899886296,
                2357998.4948154613,
                13.656739005934629
              ],
              [
                638000.0499886295,
                2357998.4948154613,
                -13.56326099406537
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:48:43+00:00",
        "end_time": "2013-09-19T01:48:05+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3858.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3858.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3858.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3858.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6694113,
            21.31858889,
            -13.56326099,
            -157.6596889,
            21.3276983,
            13.65673901
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.66941125047217,
                  21.318665446613462,
                  -13.56326099406537
                ],
                [
                  -157.66932978240862,
                  21.327698304437504,
                  -13.56326099406537
                ],
                [
                  -157.65968886169117,
                  21.32762171118972,
                  13.656739005934629
                ],
                [
                  -157.65977091592347,
                  21.318588889143598,
                  13.656739005934629
                ],
                [
                  -157.66941125047217,
                  21.318665446613462,
                  -13.56326099406537
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3858.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3858.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:48:43Z",
            "pc:count": 5145574,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 638514.2464,
                "count": 5145574,
                "maximum": 639000.09,
                "minimum": 638000.05,
                "name": "X",
                "position": 0,
                "stddev": 294.3999087,
                "variance": 86671.30622
              },
              {
                "average": 2358552.737,
                "count": 5145574,
                "maximum": 2358998.495,
                "minimum": 2357998.495,
                "name": "Y",
                "position": 1,
                "stddev": 287.1194745,
                "variance": 82437.59261
              },
              {
                "average": -6.583442453,
                "count": 5145574,
                "maximum": 13.65673901,
                "minimum": -13.56326099,
                "name": "Z",
                "position": 2,
                "stddev": 2.482480776,
                "variance": 6.162710801
              },
              {
                "average": 13.92620862,
                "count": 5145574,
                "maximum": 5169,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 37.0233824,
                "variance": 1370.730845
              },
              {
                "average": 1.022896571,
                "count": 5145574,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1542295109,
                "variance": 0.02378674204
              },
              {
                "average": 1.041911748,
                "count": 5145574,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.20963763,
                "variance": 0.04394793592
              },
              {
                "average": 1,
                "count": 5145574,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5145574,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.91068771,
                "count": 5145574,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.559984921,
                "variance": 2.433552954
              },
              {
                "average": 19.86316462,
                "count": 5145574,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.689784114,
                "variance": 7.234938581
              },
              {
                "average": 90.51979041,
                "count": 5145574,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.51972393,
                "variance": 4424.873671
              },
              {
                "average": 2.387909493,
                "count": 5145574,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.075490195,
                "variance": 1.156679161
              },
              {
                "average": 63638813.47,
                "count": 5145574,
                "maximum": 63741723.99,
                "minimum": 63590485.09,
                "name": "GpsTime",
                "position": 12,
                "stddev": 52261.59552,
                "variance": 2731274366
              },
              {
                "average": 0,
                "count": 5145574,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5145574,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5145574,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5145574,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5145574,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              638000.05,
              2357998.495,
              -13.56326099,
              639000.09,
              2358998.495,
              13.65673901
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    638000.0499886295,
                    2357998.4948154613,
                    -13.56326099406537
                  ],
                  [
                    638000.0499886295,
                    2358998.4948154613,
                    -13.56326099406537
                  ],
                  [
                    639000.0899886296,
                    2358998.4948154613,
                    13.656739005934629
                  ],
                  [
                    639000.0899886296,
                    2357998.4948154613,
                    13.656739005934629
                  ],
                  [
                    638000.0499886295,
                    2357998.4948154613,
                    -13.56326099406537
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:48:43+00:00",
            "end_time": "2013-09-19T01:48:05+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3957.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6598529994482,
              21.30955595707922,
              -29.856960456186286
            ],
            [
              -157.65977101673218,
              21.318588968495714,
              -29.856960456186286
            ],
            [
              -157.65013072543172,
              21.318511858736013,
              168.54303954381373
            ],
            [
              -157.6502132970932,
              21.30947888312285,
              168.54303954381373
            ],
            [
              -157.6598529994482,
              21.30955595707922,
              -29.856960456186286
            ]
          ]
        ]
      },
      "bbox": [
        -157.659853,
        21.30947888,
        -29.85696046,
        -157.6501307,
        21.31858897,
        168.5430395
      ],
      "properties": {
        "datetime": "2013-09-20T02:26:30Z",
        "pc:count": 3384859,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 639449.2218,
            "count": 3384859,
            "maximum": 640000.1195,
            "minimum": 639000.0795,
            "name": "X",
            "position": 0,
            "stddev": 265.2820403,
            "variance": 70374.56089
          },
          {
            "average": 2357433.576,
            "count": 3384859,
            "maximum": 2357998.504,
            "minimum": 2356998.484,
            "name": "Y",
            "position": 1,
            "stddev": 292.9033685,
            "variance": 85792.38329
          },
          {
            "average": 0.1662291124,
            "count": 3384859,
            "maximum": 168.5430395,
            "minimum": -29.85696046,
            "name": "Z",
            "position": 2,
            "stddev": 27.17350827,
            "variance": 738.3995519
          },
          {
            "average": 45.00873655,
            "count": 3384859,
            "maximum": 7873,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 155.7857098,
            "variance": 24269.18738
          },
          {
            "average": 1.070341482,
            "count": 3384859,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3195993054,
            "variance": 0.102143716
          },
          {
            "average": 1.141145613,
            "count": 3384859,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.491928024,
            "variance": 0.2419931808
          },
          {
            "average": 1,
            "count": 3384859,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3384859,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 24.83593467,
            "count": 3384859,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.917113625,
            "variance": 98.34914265
          },
          {
            "average": 19.35499874,
            "count": 3384859,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.979253396,
            "variance": 15.83445759
          },
          {
            "average": 102.1031656,
            "count": 3384859,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 75.11608225,
            "variance": 5642.425812
          },
          {
            "average": 3.451574201,
            "count": 3384859,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.386397518,
            "variance": 1.922098079
          },
          {
            "average": 63649590.96,
            "count": 3384859,
            "maximum": 63679190.77,
            "minimum": 63591083.36,
            "name": "GpsTime",
            "position": 12,
            "stddev": 9881.678161,
            "variance": 97647563.28
          },
          {
            "average": 0,
            "count": 3384859,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3384859,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3384859,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3384859,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3384859,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          639000.0795,
          2356998.484,
          -29.85696046,
          640000.1195,
          2357998.504,
          168.5430395
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                639000.0794572495,
                2356998.4835107466,
                -29.856960456186286
              ],
              [
                639000.0794572495,
                2357998.503510746,
                -29.856960456186286
              ],
              [
                640000.1194572495,
                2357998.503510746,
                168.54303954381373
              ],
              [
                640000.1194572495,
                2356998.4835107466,
                168.54303954381373
              ],
              [
                639000.0794572495,
                2356998.4835107466,
                -29.856960456186286
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:26:30+00:00",
        "end_time": "2013-09-19T01:58:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3957.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3957.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3957.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3957.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.659853,
            21.30947888,
            -29.85696046,
            -157.6501307,
            21.31858897,
            168.5430395
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6598529994482,
                  21.30955595707922,
                  -29.856960456186286
                ],
                [
                  -157.65977101673218,
                  21.318588968495714,
                  -29.856960456186286
                ],
                [
                  -157.65013072543172,
                  21.318511858736013,
                  168.54303954381373
                ],
                [
                  -157.6502132970932,
                  21.30947888312285,
                  168.54303954381373
                ],
                [
                  -157.6598529994482,
                  21.30955595707922,
                  -29.856960456186286
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3957.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3957.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:26:30Z",
            "pc:count": 3384859,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 639449.2218,
                "count": 3384859,
                "maximum": 640000.1195,
                "minimum": 639000.0795,
                "name": "X",
                "position": 0,
                "stddev": 265.2820403,
                "variance": 70374.56089
              },
              {
                "average": 2357433.576,
                "count": 3384859,
                "maximum": 2357998.504,
                "minimum": 2356998.484,
                "name": "Y",
                "position": 1,
                "stddev": 292.9033685,
                "variance": 85792.38329
              },
              {
                "average": 0.1662291124,
                "count": 3384859,
                "maximum": 168.5430395,
                "minimum": -29.85696046,
                "name": "Z",
                "position": 2,
                "stddev": 27.17350827,
                "variance": 738.3995519
              },
              {
                "average": 45.00873655,
                "count": 3384859,
                "maximum": 7873,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 155.7857098,
                "variance": 24269.18738
              },
              {
                "average": 1.070341482,
                "count": 3384859,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3195993054,
                "variance": 0.102143716
              },
              {
                "average": 1.141145613,
                "count": 3384859,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.491928024,
                "variance": 0.2419931808
              },
              {
                "average": 1,
                "count": 3384859,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3384859,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 24.83593467,
                "count": 3384859,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.917113625,
                "variance": 98.34914265
              },
              {
                "average": 19.35499874,
                "count": 3384859,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.979253396,
                "variance": 15.83445759
              },
              {
                "average": 102.1031656,
                "count": 3384859,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 75.11608225,
                "variance": 5642.425812
              },
              {
                "average": 3.451574201,
                "count": 3384859,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.386397518,
                "variance": 1.922098079
              },
              {
                "average": 63649590.96,
                "count": 3384859,
                "maximum": 63679190.77,
                "minimum": 63591083.36,
                "name": "GpsTime",
                "position": 12,
                "stddev": 9881.678161,
                "variance": 97647563.28
              },
              {
                "average": 0,
                "count": 3384859,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3384859,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3384859,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3384859,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3384859,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              639000.0795,
              2356998.484,
              -29.85696046,
              640000.1195,
              2357998.504,
              168.5430395
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    639000.0794572495,
                    2356998.4835107466,
                    -29.856960456186286
                  ],
                  [
                    639000.0794572495,
                    2357998.503510746,
                    -29.856960456186286
                  ],
                  [
                    640000.1194572495,
                    2357998.503510746,
                    168.54303954381373
                  ],
                  [
                    640000.1194572495,
                    2356998.4835107466,
                    168.54303954381373
                  ],
                  [
                    639000.0794572495,
                    2356998.4835107466,
                    -29.856960456186286
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:26:30+00:00",
            "end_time": "2013-09-19T01:58:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3361.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71737729374624,
              21.34613881763998,
              0.885219106349254
            ],
            [
              -157.71729871591643,
              21.355171815242972,
              0.885219106349254
            ],
            [
              -157.70765579918108,
              21.355097883182435,
              44.60521910634925
            ],
            [
              -157.70773497144492,
              21.346064919485407,
              44.60521910634925
            ],
            [
              -157.71737729374624,
              21.34613881763998,
              0.885219106349254
            ]
          ]
        ]
      },
      "bbox": [
        -157.7173773,
        21.34606492,
        0.8852191063,
        -157.7076558,
        21.35517182,
        44.60521911
      ],
      "properties": {
        "datetime": "2013-09-21T00:40:11Z",
        "pc:count": 9554659,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633560.3312,
            "count": 9554659,
            "maximum": 633999.9598,
            "minimum": 632999.9198,
            "name": "X",
            "position": 0,
            "stddev": 292.2840241,
            "variance": 85429.95076
          },
          {
            "average": 2361476.543,
            "count": 9554659,
            "maximum": 2361998.474,
            "minimum": 2360998.474,
            "name": "Y",
            "position": 1,
            "stddev": 279.5277381,
            "variance": 78135.75639
          },
          {
            "average": 11.07662838,
            "count": 9554659,
            "maximum": 44.60521911,
            "minimum": 0.8852191063,
            "name": "Z",
            "position": 2,
            "stddev": 6.452894377,
            "variance": 41.63984584
          },
          {
            "average": 13.28356543,
            "count": 9554659,
            "maximum": 908,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 27.74396562,
            "variance": 769.7276282
          },
          {
            "average": 1.911093426,
            "count": 9554659,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.093510533,
            "variance": 1.195765286
          },
          {
            "average": 2.822338819,
            "count": 9554659,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.46166705,
            "variance": 2.136470564
          },
          {
            "average": 1,
            "count": 9554659,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9554659,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.156388522,
            "count": 9554659,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3632233005,
            "variance": 0.1319311661
          },
          {
            "average": 20.18099077,
            "count": 9554659,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.250395204,
            "variance": 5.064278574
          },
          {
            "average": 91.48260446,
            "count": 9554659,
            "maximum": 202,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.48716972,
            "variance": 4554.518077
          },
          {
            "average": 5.622889734,
            "count": 9554659,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.785108573,
            "variance": 14.32704691
          },
          {
            "average": 63751085.67,
            "count": 9554659,
            "maximum": 63759211.47,
            "minimum": 63743823.56,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6584.134564,
            "variance": 43350827.96
          },
          {
            "average": 0,
            "count": 9554659,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9554659,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9554659,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9554659,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9554659,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9198,
          2360998.474,
          0.8852191063,
          633999.9598,
          2361998.474,
          44.60521911
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.91983849,
                2360998.474164408,
                0.885219106349254
              ],
              [
                632999.91983849,
                2361998.474164408,
                0.885219106349254
              ],
              [
                633999.95983849,
                2361998.474164408,
                44.60521910634925
              ],
              [
                633999.95983849,
                2360998.474164408,
                44.60521910634925
              ],
              [
                632999.91983849,
                2360998.474164408,
                0.885219106349254
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:40:11+00:00",
        "end_time": "2013-09-20T20:23:43+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3361.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3361.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3361.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3361.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7173773,
            21.34606492,
            0.8852191063,
            -157.7076558,
            21.35517182,
            44.60521911
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71737729374624,
                  21.34613881763998,
                  0.885219106349254
                ],
                [
                  -157.71729871591643,
                  21.355171815242972,
                  0.885219106349254
                ],
                [
                  -157.70765579918108,
                  21.355097883182435,
                  44.60521910634925
                ],
                [
                  -157.70773497144492,
                  21.346064919485407,
                  44.60521910634925
                ],
                [
                  -157.71737729374624,
                  21.34613881763998,
                  0.885219106349254
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3361.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3361.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:40:11Z",
            "pc:count": 9554659,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633560.3312,
                "count": 9554659,
                "maximum": 633999.9598,
                "minimum": 632999.9198,
                "name": "X",
                "position": 0,
                "stddev": 292.2840241,
                "variance": 85429.95076
              },
              {
                "average": 2361476.543,
                "count": 9554659,
                "maximum": 2361998.474,
                "minimum": 2360998.474,
                "name": "Y",
                "position": 1,
                "stddev": 279.5277381,
                "variance": 78135.75639
              },
              {
                "average": 11.07662838,
                "count": 9554659,
                "maximum": 44.60521911,
                "minimum": 0.8852191063,
                "name": "Z",
                "position": 2,
                "stddev": 6.452894377,
                "variance": 41.63984584
              },
              {
                "average": 13.28356543,
                "count": 9554659,
                "maximum": 908,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 27.74396562,
                "variance": 769.7276282
              },
              {
                "average": 1.911093426,
                "count": 9554659,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.093510533,
                "variance": 1.195765286
              },
              {
                "average": 2.822338819,
                "count": 9554659,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.46166705,
                "variance": 2.136470564
              },
              {
                "average": 1,
                "count": 9554659,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9554659,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.156388522,
                "count": 9554659,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3632233005,
                "variance": 0.1319311661
              },
              {
                "average": 20.18099077,
                "count": 9554659,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.250395204,
                "variance": 5.064278574
              },
              {
                "average": 91.48260446,
                "count": 9554659,
                "maximum": 202,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.48716972,
                "variance": 4554.518077
              },
              {
                "average": 5.622889734,
                "count": 9554659,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.785108573,
                "variance": 14.32704691
              },
              {
                "average": 63751085.67,
                "count": 9554659,
                "maximum": 63759211.47,
                "minimum": 63743823.56,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6584.134564,
                "variance": 43350827.96
              },
              {
                "average": 0,
                "count": 9554659,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9554659,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9554659,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9554659,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9554659,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9198,
              2360998.474,
              0.8852191063,
              633999.9598,
              2361998.474,
              44.60521911
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.91983849,
                    2360998.474164408,
                    0.885219106349254
                  ],
                  [
                    632999.91983849,
                    2361998.474164408,
                    0.885219106349254
                  ],
                  [
                    633999.95983849,
                    2361998.474164408,
                    44.60521910634925
                  ],
                  [
                    633999.95983849,
                    2360998.474164408,
                    44.60521910634925
                  ],
                  [
                    632999.91983849,
                    2360998.474164408,
                    0.885219106349254
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:40:11+00:00",
            "end_time": "2013-09-20T20:23:43+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj4158.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.64049065363875,
              21.318434235418305,
              -57.3271315942273
            ],
            [
              -157.64040742868667,
              21.327466804530218,
              -57.3271315942273
            ],
            [
              -157.6308832872194,
              21.3273895038191,
              -43.1871315942273
            ],
            [
              -157.6309670913006,
              21.318356970765528,
              -43.1871315942273
            ],
            [
              -157.64049065363875,
              21.318434235418305,
              -57.3271315942273
            ]
          ]
        ]
      },
      "bbox": [
        -157.6404907,
        21.31835697,
        -57.32713159,
        -157.6308833,
        21.3274668,
        -43.18713159
      ],
      "properties": {
        "datetime": "2013-09-19T20:51:09Z",
        "pc:count": 342946,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 641341.6098,
            "count": 342946,
            "maximum": 641988.0812,
            "minimum": 641000.1412,
            "name": "X",
            "position": 0,
            "stddev": 224.3355249,
            "variance": 50326.42773
          },
          {
            "average": 2358389.239,
            "count": 342946,
            "maximum": 2358998.488,
            "minimum": 2357998.508,
            "name": "Y",
            "position": 1,
            "stddev": 268.4398289,
            "variance": 72059.94172
          },
          {
            "average": -48.6025258,
            "count": 342946,
            "maximum": -43.18713159,
            "minimum": -57.32713159,
            "name": "Z",
            "position": 2,
            "stddev": 2.173757319,
            "variance": 4.725220883
          },
          {
            "average": 3980.722015,
            "count": 342946,
            "maximum": 9000,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 2482.846134,
            "variance": 6164524.925
          },
          {
            "average": 1.000160375,
            "count": 342946,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01266293213,
            "variance": 0.0001603498502
          },
          {
            "average": 1.000160375,
            "count": 342946,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01266293213,
            "variance": 0.0001603498502
          },
          {
            "average": 1,
            "count": 342946,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 342946,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 342946,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.03877015,
            "count": 342946,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.266524819,
            "variance": 85.86848222
          },
          {
            "average": 249.0056802,
            "count": 342946,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.07526912996,
            "variance": 0.005665441925
          },
          {
            "average": 5.830101532,
            "count": 342946,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.698704191,
            "variance": 2.885595929
          },
          {
            "average": 63652510.42,
            "count": 342946,
            "maximum": 63659069.83,
            "minimum": 63590448.08,
            "name": "GpsTime",
            "position": 12,
            "stddev": 15944.9287,
            "variance": 254240751.3
          },
          {
            "average": 0,
            "count": 342946,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 342946,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 342946,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 342946,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 342946,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          641000.1412,
          2357998.508,
          -57.32713159,
          641988.0812,
          2358998.488,
          -43.18713159
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                641000.1411695563,
                2357998.507640332,
                -57.3271315942273
              ],
              [
                641000.1411695563,
                2358998.4876403324,
                -57.3271315942273
              ],
              [
                641988.0811695562,
                2358998.4876403324,
                -43.1871315942273
              ],
              [
                641988.0811695562,
                2357998.507640332,
                -43.1871315942273
              ],
              [
                641000.1411695563,
                2357998.507640332,
                -57.3271315942273
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:51:09+00:00",
        "end_time": "2013-09-19T01:47:28+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj4158.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj4158.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj4158.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj4158.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6404907,
            21.31835697,
            -57.32713159,
            -157.6308833,
            21.3274668,
            -43.18713159
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.64049065363875,
                  21.318434235418305,
                  -57.3271315942273
                ],
                [
                  -157.64040742868667,
                  21.327466804530218,
                  -57.3271315942273
                ],
                [
                  -157.6308832872194,
                  21.3273895038191,
                  -43.1871315942273
                ],
                [
                  -157.6309670913006,
                  21.318356970765528,
                  -43.1871315942273
                ],
                [
                  -157.64049065363875,
                  21.318434235418305,
                  -57.3271315942273
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj4158.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj4158.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:51:09Z",
            "pc:count": 342946,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 641341.6098,
                "count": 342946,
                "maximum": 641988.0812,
                "minimum": 641000.1412,
                "name": "X",
                "position": 0,
                "stddev": 224.3355249,
                "variance": 50326.42773
              },
              {
                "average": 2358389.239,
                "count": 342946,
                "maximum": 2358998.488,
                "minimum": 2357998.508,
                "name": "Y",
                "position": 1,
                "stddev": 268.4398289,
                "variance": 72059.94172
              },
              {
                "average": -48.6025258,
                "count": 342946,
                "maximum": -43.18713159,
                "minimum": -57.32713159,
                "name": "Z",
                "position": 2,
                "stddev": 2.173757319,
                "variance": 4.725220883
              },
              {
                "average": 3980.722015,
                "count": 342946,
                "maximum": 9000,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 2482.846134,
                "variance": 6164524.925
              },
              {
                "average": 1.000160375,
                "count": 342946,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01266293213,
                "variance": 0.0001603498502
              },
              {
                "average": 1.000160375,
                "count": 342946,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01266293213,
                "variance": 0.0001603498502
              },
              {
                "average": 1,
                "count": 342946,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 342946,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 342946,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.03877015,
                "count": 342946,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.266524819,
                "variance": 85.86848222
              },
              {
                "average": 249.0056802,
                "count": 342946,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.07526912996,
                "variance": 0.005665441925
              },
              {
                "average": 5.830101532,
                "count": 342946,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.698704191,
                "variance": 2.885595929
              },
              {
                "average": 63652510.42,
                "count": 342946,
                "maximum": 63659069.83,
                "minimum": 63590448.08,
                "name": "GpsTime",
                "position": 12,
                "stddev": 15944.9287,
                "variance": 254240751.3
              },
              {
                "average": 0,
                "count": 342946,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 342946,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 342946,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 342946,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 342946,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              641000.1412,
              2357998.508,
              -57.32713159,
              641988.0812,
              2358998.488,
              -43.18713159
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    641000.1411695563,
                    2357998.507640332,
                    -57.3271315942273
                  ],
                  [
                    641000.1411695563,
                    2358998.4876403324,
                    -57.3271315942273
                  ],
                  [
                    641988.0811695562,
                    2358998.4876403324,
                    -43.1871315942273
                  ],
                  [
                    641988.0811695562,
                    2357998.507640332,
                    -43.1871315942273
                  ],
                  [
                    641000.1411695563,
                    2357998.507640332,
                    -57.3271315942273
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:51:09+00:00",
            "end_time": "2013-09-19T01:47:28+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj4159.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6404073031998,
              21.327467168093232,
              -59.471288617286085
            ],
            [
              -157.6403887629398,
              21.329479301845115,
              -59.471288617286085
            ],
            [
              -157.63489596586803,
              21.329434782559836,
              -49.99128861728608
            ],
            [
              -157.63491458093534,
              21.32742265341034,
              -49.99128861728608
            ],
            [
              -157.6404073031998,
              21.327467168093232,
              -59.471288617286085
            ]
          ]
        ]
      },
      "bbox": [
        -157.6404073,
        21.32742265,
        -59.47128862,
        -157.634896,
        21.3294793,
        -49.99128862
      ],
      "properties": {
        "datetime": "2013-09-19T20:05:04Z",
        "pc:count": 4838,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 641148.446,
            "count": 4838,
            "maximum": 641569.9138,
            "minimum": 641000.1538,
            "name": "X",
            "position": 0,
            "stddev": 92.41644833,
            "variance": 8540.799921
          },
          {
            "average": 2359058.457,
            "count": 4838,
            "maximum": 2359221.288,
            "minimum": 2358998.528,
            "name": "Y",
            "position": 1,
            "stddev": 50.98446158,
            "variance": 2599.415322
          },
          {
            "average": -53.86988101,
            "count": 4838,
            "maximum": -49.99128862,
            "minimum": -59.47128862,
            "name": "Z",
            "position": 2,
            "stddev": 1.42809311,
            "variance": 2.039449931
          },
          {
            "average": 109.2128979,
            "count": 4838,
            "maximum": 8420,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 760.8271378,
            "variance": 578857.9336
          },
          {
            "average": 1,
            "count": 4838,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 4838,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 4838,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4838,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4838,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.51473032,
            "count": 4838,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.780400669,
            "variance": 77.0954359
          },
          {
            "average": 249,
            "count": 4838,
            "maximum": 249,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.490905333,
            "count": 4838,
            "maximum": 6,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.5277300782,
            "variance": 0.2784990355
          },
          {
            "average": 63655445.61,
            "count": 4838,
            "maximum": 63656304.57,
            "minimum": 63654915.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 548.7456796,
            "variance": 301121.8209
          },
          {
            "average": 0,
            "count": 4838,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4838,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4838,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4838,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4838,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          641000.1538,
          2358998.528,
          -59.47128862,
          641569.9138,
          2359221.288,
          -49.99128862
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                641000.1538378733,
                2358998.5279991413,
                -59.471288617286085
              ],
              [
                641000.1538378733,
                2359221.287999141,
                -59.471288617286085
              ],
              [
                641569.9138378733,
                2359221.287999141,
                -49.99128861728608
              ],
              [
                641569.9138378733,
                2358998.5279991413,
                -49.99128861728608
              ],
              [
                641000.1538378733,
                2358998.5279991413,
                -59.471288617286085
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:05:04+00:00",
        "end_time": "2013-09-19T19:41:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj4159.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj4159.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj4159.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4159.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6404073,
            21.32742265,
            -59.47128862,
            -157.634896,
            21.3294793,
            -49.99128862
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6404073031998,
                  21.327467168093232,
                  -59.471288617286085
                ],
                [
                  -157.6403887629398,
                  21.329479301845115,
                  -59.471288617286085
                ],
                [
                  -157.63489596586803,
                  21.329434782559836,
                  -49.99128861728608
                ],
                [
                  -157.63491458093534,
                  21.32742265341034,
                  -49.99128861728608
                ],
                [
                  -157.6404073031998,
                  21.327467168093232,
                  -59.471288617286085
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj4159.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4159.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:05:04Z",
            "pc:count": 4838,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 641148.446,
                "count": 4838,
                "maximum": 641569.9138,
                "minimum": 641000.1538,
                "name": "X",
                "position": 0,
                "stddev": 92.41644833,
                "variance": 8540.799921
              },
              {
                "average": 2359058.457,
                "count": 4838,
                "maximum": 2359221.288,
                "minimum": 2358998.528,
                "name": "Y",
                "position": 1,
                "stddev": 50.98446158,
                "variance": 2599.415322
              },
              {
                "average": -53.86988101,
                "count": 4838,
                "maximum": -49.99128862,
                "minimum": -59.47128862,
                "name": "Z",
                "position": 2,
                "stddev": 1.42809311,
                "variance": 2.039449931
              },
              {
                "average": 109.2128979,
                "count": 4838,
                "maximum": 8420,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 760.8271378,
                "variance": 578857.9336
              },
              {
                "average": 1,
                "count": 4838,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 4838,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 4838,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4838,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4838,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.51473032,
                "count": 4838,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.780400669,
                "variance": 77.0954359
              },
              {
                "average": 249,
                "count": 4838,
                "maximum": 249,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.490905333,
                "count": 4838,
                "maximum": 6,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.5277300782,
                "variance": 0.2784990355
              },
              {
                "average": 63655445.61,
                "count": 4838,
                "maximum": 63656304.57,
                "minimum": 63654915.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 548.7456796,
                "variance": 301121.8209
              },
              {
                "average": 0,
                "count": 4838,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4838,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4838,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4838,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4838,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              641000.1538,
              2358998.528,
              -59.47128862,
              641569.9138,
              2359221.288,
              -49.99128862
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    641000.1538378733,
                    2358998.5279991413,
                    -59.471288617286085
                  ],
                  [
                    641000.1538378733,
                    2359221.287999141,
                    -59.471288617286085
                  ],
                  [
                    641569.9138378733,
                    2359221.287999141,
                    -49.99128861728608
                  ],
                  [
                    641569.9138378733,
                    2358998.5279991413,
                    -49.99128861728608
                  ],
                  [
                    641000.1538378733,
                    2358998.5279991413,
                    -59.471288617286085
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:05:04+00:00",
            "end_time": "2013-09-19T19:41:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj4255.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6310604384447,
              21.29572375739691,
              -50.68781897176034
            ],
            [
              -157.63101813788097,
              21.300290530151216,
              -50.68781897176034
            ],
            [
              -157.62771132295518,
              21.300263595280768,
              -45.76781897176034
            ],
            [
              -157.62775372553796,
              21.29569682885696,
              -45.76781897176034
            ],
            [
              -157.6310604384447,
              21.29572375739691,
              -50.68781897176034
            ]
          ]
        ]
      },
      "bbox": [
        -157.6310604,
        21.29569683,
        -50.68781897,
        -157.6277113,
        21.30029053,
        -45.76781897
      ],
      "properties": {
        "datetime": "2013-09-19T19:00:42Z",
        "pc:count": 35688,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 642115.4589,
            "count": 35688,
            "maximum": 642343.2364,
            "minimum": 642000.1564,
            "name": "X",
            "position": 0,
            "stddev": 80.76817234,
            "variance": 6523.497663
          },
          {
            "average": 2355809.362,
            "count": 35688,
            "maximum": 2355998.503,
            "minimum": 2355492.923,
            "name": "Y",
            "position": 1,
            "stddev": 119.8627715,
            "variance": 14367.08398
          },
          {
            "average": -47.93536829,
            "count": 35688,
            "maximum": -45.76781897,
            "minimum": -50.68781897,
            "name": "Z",
            "position": 2,
            "stddev": 0.8893374842,
            "variance": 0.7909211607
          },
          {
            "average": 4688.082997,
            "count": 35688,
            "maximum": 8910,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1167.493955,
            "variance": 1363042.134
          },
          {
            "average": 1.000280206,
            "count": 35688,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01673725084,
            "variance": 0.0002801355658
          },
          {
            "average": 1.000280206,
            "count": 35688,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01673725084,
            "variance": 0.0002801355658
          },
          {
            "average": 1,
            "count": 35688,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35688,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 35688,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.02360554,
            "count": 35688,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.432432637,
            "variance": 55.2410549
          },
          {
            "average": 249.0083221,
            "count": 35688,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.09084656612,
            "variance": 0.008253098575
          },
          {
            "average": 5.222343645,
            "count": 35688,
            "maximum": 6,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7139924123,
            "variance": 0.5097851648
          },
          {
            "average": 63651999.62,
            "count": 35688,
            "maximum": 63652442.94,
            "minimum": 63651327.44,
            "name": "GpsTime",
            "position": 12,
            "stddev": 399.7407556,
            "variance": 159792.6717
          },
          {
            "average": 0,
            "count": 35688,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35688,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35688,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35688,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 35688,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          642000.1564,
          2355492.923,
          -50.68781897,
          642343.2364,
          2355998.503,
          -45.76781897
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                642000.1564255175,
                2355492.9234605096,
                -50.68781897176034
              ],
              [
                642000.1564255175,
                2355998.5034605097,
                -50.68781897176034
              ],
              [
                642343.2364255176,
                2355998.5034605097,
                -45.76781897176034
              ],
              [
                642343.2364255176,
                2355492.9234605096,
                -45.76781897176034
              ],
              [
                642000.1564255175,
                2355492.9234605096,
                -50.68781897176034
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:00:42+00:00",
        "end_time": "2013-09-19T18:42:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj4255.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj4255.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj4255.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4255.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6310604,
            21.29569683,
            -50.68781897,
            -157.6277113,
            21.30029053,
            -45.76781897
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6310604384447,
                  21.29572375739691,
                  -50.68781897176034
                ],
                [
                  -157.63101813788097,
                  21.300290530151216,
                  -50.68781897176034
                ],
                [
                  -157.62771132295518,
                  21.300263595280768,
                  -45.76781897176034
                ],
                [
                  -157.62775372553796,
                  21.29569682885696,
                  -45.76781897176034
                ],
                [
                  -157.6310604384447,
                  21.29572375739691,
                  -50.68781897176034
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj4255.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4255.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:00:42Z",
            "pc:count": 35688,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 642115.4589,
                "count": 35688,
                "maximum": 642343.2364,
                "minimum": 642000.1564,
                "name": "X",
                "position": 0,
                "stddev": 80.76817234,
                "variance": 6523.497663
              },
              {
                "average": 2355809.362,
                "count": 35688,
                "maximum": 2355998.503,
                "minimum": 2355492.923,
                "name": "Y",
                "position": 1,
                "stddev": 119.8627715,
                "variance": 14367.08398
              },
              {
                "average": -47.93536829,
                "count": 35688,
                "maximum": -45.76781897,
                "minimum": -50.68781897,
                "name": "Z",
                "position": 2,
                "stddev": 0.8893374842,
                "variance": 0.7909211607
              },
              {
                "average": 4688.082997,
                "count": 35688,
                "maximum": 8910,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1167.493955,
                "variance": 1363042.134
              },
              {
                "average": 1.000280206,
                "count": 35688,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01673725084,
                "variance": 0.0002801355658
              },
              {
                "average": 1.000280206,
                "count": 35688,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01673725084,
                "variance": 0.0002801355658
              },
              {
                "average": 1,
                "count": 35688,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35688,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 35688,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.02360554,
                "count": 35688,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.432432637,
                "variance": 55.2410549
              },
              {
                "average": 249.0083221,
                "count": 35688,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.09084656612,
                "variance": 0.008253098575
              },
              {
                "average": 5.222343645,
                "count": 35688,
                "maximum": 6,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7139924123,
                "variance": 0.5097851648
              },
              {
                "average": 63651999.62,
                "count": 35688,
                "maximum": 63652442.94,
                "minimum": 63651327.44,
                "name": "GpsTime",
                "position": 12,
                "stddev": 399.7407556,
                "variance": 159792.6717
              },
              {
                "average": 0,
                "count": 35688,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35688,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35688,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35688,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 35688,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              642000.1564,
              2355492.923,
              -50.68781897,
              642343.2364,
              2355998.503,
              -45.76781897
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    642000.1564255175,
                    2355492.9234605096,
                    -50.68781897176034
                  ],
                  [
                    642000.1564255175,
                    2355998.5034605097,
                    -50.68781897176034
                  ],
                  [
                    642343.2364255176,
                    2355998.5034605097,
                    -45.76781897176034
                  ],
                  [
                    642343.2364255176,
                    2355492.9234605096,
                    -45.76781897176034
                  ],
                  [
                    642000.1564255175,
                    2355492.9234605096,
                    -50.68781897176034
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:00:42+00:00",
            "end_time": "2013-09-19T18:42:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3564.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.69785345946426,
              21.37308931744482,
              -14.880633883604467
            ],
            [
              -157.697773654882,
              21.382122213955014,
              -14.880633883604467
            ],
            [
              -157.6881292218952,
              21.38204707360979,
              0.459366116395533
            ],
            [
              -157.6882096323952,
              21.373014211035393,
              0.459366116395533
            ],
            [
              -157.69785345946426,
              21.37308931744482,
              -14.880633883604467
            ]
          ]
        ]
      },
      "bbox": [
        -157.6978535,
        21.37301421,
        -14.88063388,
        -157.6881292,
        21.38212221,
        0.4593661164
      ],
      "properties": {
        "datetime": "2013-09-19T20:30:23Z",
        "pc:count": 3574803,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635466.5424,
            "count": 3574803,
            "maximum": 636000.0029,
            "minimum": 634999.9829,
            "name": "X",
            "position": 0,
            "stddev": 287.9281214,
            "variance": 82902.60309
          },
          {
            "average": 2364540.029,
            "count": 3574803,
            "maximum": 2364998.484,
            "minimum": 2363998.484,
            "name": "Y",
            "position": 1,
            "stddev": 288.6159933,
            "variance": 83299.19161
          },
          {
            "average": -4.622851651,
            "count": 3574803,
            "maximum": 0.4593661164,
            "minimum": -14.88063388,
            "name": "Z",
            "position": 2,
            "stddev": 2.483723972,
            "variance": 6.168884771
          },
          {
            "average": 10.10872935,
            "count": 3574803,
            "maximum": 8808,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.17259513,
            "variance": 1100.421067
          },
          {
            "average": 1.041549422,
            "count": 3574803,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2027874046,
            "variance": 0.04112273148
          },
          {
            "average": 1.074353748,
            "count": 3574803,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2680345446,
            "variance": 0.07184251712
          },
          {
            "average": 1,
            "count": 3574803,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3574803,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3574803,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.98104593,
            "count": 3574803,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.69430463,
            "variance": 7.259277438
          },
          {
            "average": 94.0537059,
            "count": 3574803,
            "maximum": 254,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 69.11393163,
            "variance": 4776.735546
          },
          {
            "average": 5.958370853,
            "count": 3574803,
            "maximum": 8,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.443006885,
            "variance": 2.082268869
          },
          {
            "average": 63634475.54,
            "count": 3574803,
            "maximum": 63657823.16,
            "minimum": 63593793.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 29166.69437,
            "variance": 850696060.3
          },
          {
            "average": 0,
            "count": 3574803,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3574803,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3574803,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3574803,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3574803,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9829,
          2363998.484,
          -14.88063388,
          636000.0029,
          2364998.484,
          0.4593661164
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9828552052,
                2363998.4843009505,
                -14.880633883604467
              ],
              [
                634999.9828552052,
                2364998.4843009505,
                -14.880633883604467
              ],
              [
                636000.0028552052,
                2364998.4843009505,
                0.459366116395533
              ],
              [
                636000.0028552052,
                2363998.4843009505,
                0.459366116395533
              ],
              [
                634999.9828552052,
                2363998.4843009505,
                -14.880633883604467
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:30:23+00:00",
        "end_time": "2013-09-19T02:43:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3564.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3564.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3564.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3564.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6978535,
            21.37301421,
            -14.88063388,
            -157.6881292,
            21.38212221,
            0.4593661164
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.69785345946426,
                  21.37308931744482,
                  -14.880633883604467
                ],
                [
                  -157.697773654882,
                  21.382122213955014,
                  -14.880633883604467
                ],
                [
                  -157.6881292218952,
                  21.38204707360979,
                  0.459366116395533
                ],
                [
                  -157.6882096323952,
                  21.373014211035393,
                  0.459366116395533
                ],
                [
                  -157.69785345946426,
                  21.37308931744482,
                  -14.880633883604467
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3564.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3564.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:30:23Z",
            "pc:count": 3574803,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635466.5424,
                "count": 3574803,
                "maximum": 636000.0029,
                "minimum": 634999.9829,
                "name": "X",
                "position": 0,
                "stddev": 287.9281214,
                "variance": 82902.60309
              },
              {
                "average": 2364540.029,
                "count": 3574803,
                "maximum": 2364998.484,
                "minimum": 2363998.484,
                "name": "Y",
                "position": 1,
                "stddev": 288.6159933,
                "variance": 83299.19161
              },
              {
                "average": -4.622851651,
                "count": 3574803,
                "maximum": 0.4593661164,
                "minimum": -14.88063388,
                "name": "Z",
                "position": 2,
                "stddev": 2.483723972,
                "variance": 6.168884771
              },
              {
                "average": 10.10872935,
                "count": 3574803,
                "maximum": 8808,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.17259513,
                "variance": 1100.421067
              },
              {
                "average": 1.041549422,
                "count": 3574803,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2027874046,
                "variance": 0.04112273148
              },
              {
                "average": 1.074353748,
                "count": 3574803,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2680345446,
                "variance": 0.07184251712
              },
              {
                "average": 1,
                "count": 3574803,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3574803,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3574803,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.98104593,
                "count": 3574803,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.69430463,
                "variance": 7.259277438
              },
              {
                "average": 94.0537059,
                "count": 3574803,
                "maximum": 254,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 69.11393163,
                "variance": 4776.735546
              },
              {
                "average": 5.958370853,
                "count": 3574803,
                "maximum": 8,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.443006885,
                "variance": 2.082268869
              },
              {
                "average": 63634475.54,
                "count": 3574803,
                "maximum": 63657823.16,
                "minimum": 63593793.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 29166.69437,
                "variance": 850696060.3
              },
              {
                "average": 0,
                "count": 3574803,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3574803,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3574803,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3574803,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3574803,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9829,
              2363998.484,
              -14.88063388,
              636000.0029,
              2364998.484,
              0.4593661164
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9828552052,
                    2363998.4843009505,
                    -14.880633883604467
                  ],
                  [
                    634999.9828552052,
                    2364998.4843009505,
                    -14.880633883604467
                  ],
                  [
                    636000.0028552052,
                    2364998.4843009505,
                    0.459366116395533
                  ],
                  [
                    636000.0028552052,
                    2363998.4843009505,
                    0.459366116395533
                  ],
                  [
                    634999.9828552052,
                    2363998.4843009505,
                    -14.880633883604467
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:30:23+00:00",
            "end_time": "2013-09-19T02:43:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj4256.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.63101809677042,
              21.300290685678373,
              -50.60856213979545
            ],
            [
              -157.63093775398195,
              21.30896102522456,
              -50.60856213979545
            ],
            [
              -157.627688387538,
              21.30893454858247,
              -44.928562139795446
            ],
            [
              -157.62776892069527,
              21.300264220846884,
              -44.928562139795446
            ],
            [
              -157.63101809677042,
              21.300290685678373,
              -50.60856213979545
            ]
          ]
        ]
      },
      "bbox": [
        -157.6310181,
        21.30026422,
        -50.60856214,
        -157.6276884,
        21.30896103,
        -44.92856214
      ],
      "properties": {
        "datetime": "2013-09-22T18:31:00Z",
        "pc:count": 40738,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 642115.804,
            "count": 40738,
            "maximum": 642337.2605,
            "minimum": 642000.1605,
            "name": "X",
            "position": 0,
            "stddev": 85.86198338,
            "variance": 7372.280189
          },
          {
            "average": 2356349.751,
            "count": 40738,
            "maximum": 2356958.401,
            "minimum": 2355998.521,
            "name": "Y",
            "position": 1,
            "stddev": 239.938806,
            "variance": 57570.63064
          },
          {
            "average": -47.86807022,
            "count": 40738,
            "maximum": -44.92856214,
            "minimum": -50.60856214,
            "name": "Z",
            "position": 2,
            "stddev": 1.033896806,
            "variance": 1.068942606
          },
          {
            "average": 4640.964309,
            "count": 40738,
            "maximum": 8928,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1458.938758,
            "variance": 2128502.301
          },
          {
            "average": 1.000294565,
            "count": 40738,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01716058655,
            "variance": 0.0002944857308
          },
          {
            "average": 1.000294565,
            "count": 40738,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01716058655,
            "variance": 0.0002944857308
          },
          {
            "average": 1,
            "count": 40738,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 40738,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 40738,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.14315839,
            "count": 40738,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.475011367,
            "variance": 71.82581768
          },
          {
            "average": 249.0069714,
            "count": 40738,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.0832042541,
            "variance": 0.006922947901
          },
          {
            "average": 3.142545044,
            "count": 40738,
            "maximum": 5,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.143326698,
            "variance": 1.307195938
          },
          {
            "average": 63656760.02,
            "count": 40738,
            "maximum": 63909860.91,
            "minimum": 63650369.12,
            "name": "GpsTime",
            "position": 12,
            "stddev": 38131.62052,
            "variance": 1454020483
          },
          {
            "average": 0,
            "count": 40738,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 40738,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 40738,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 40738,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 40738,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          642000.1605,
          2355998.521,
          -50.60856214,
          642337.2605,
          2356958.401,
          -44.92856214
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                642000.160540919,
                2355998.520714401,
                -50.60856213979545
              ],
              [
                642000.160540919,
                2356958.4007144007,
                -50.60856213979545
              ],
              [
                642337.2605409191,
                2356958.4007144007,
                -44.928562139795446
              ],
              [
                642337.2605409191,
                2355998.520714401,
                -44.928562139795446
              ],
              [
                642000.160540919,
                2355998.520714401,
                -50.60856213979545
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:31:00+00:00",
        "end_time": "2013-09-19T18:26:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj4256.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj4256.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj4256.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4256.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6310181,
            21.30026422,
            -50.60856214,
            -157.6276884,
            21.30896103,
            -44.92856214
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.63101809677042,
                  21.300290685678373,
                  -50.60856213979545
                ],
                [
                  -157.63093775398195,
                  21.30896102522456,
                  -50.60856213979545
                ],
                [
                  -157.627688387538,
                  21.30893454858247,
                  -44.928562139795446
                ],
                [
                  -157.62776892069527,
                  21.300264220846884,
                  -44.928562139795446
                ],
                [
                  -157.63101809677042,
                  21.300290685678373,
                  -50.60856213979545
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj4256.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4256.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:31:00Z",
            "pc:count": 40738,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 642115.804,
                "count": 40738,
                "maximum": 642337.2605,
                "minimum": 642000.1605,
                "name": "X",
                "position": 0,
                "stddev": 85.86198338,
                "variance": 7372.280189
              },
              {
                "average": 2356349.751,
                "count": 40738,
                "maximum": 2356958.401,
                "minimum": 2355998.521,
                "name": "Y",
                "position": 1,
                "stddev": 239.938806,
                "variance": 57570.63064
              },
              {
                "average": -47.86807022,
                "count": 40738,
                "maximum": -44.92856214,
                "minimum": -50.60856214,
                "name": "Z",
                "position": 2,
                "stddev": 1.033896806,
                "variance": 1.068942606
              },
              {
                "average": 4640.964309,
                "count": 40738,
                "maximum": 8928,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1458.938758,
                "variance": 2128502.301
              },
              {
                "average": 1.000294565,
                "count": 40738,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01716058655,
                "variance": 0.0002944857308
              },
              {
                "average": 1.000294565,
                "count": 40738,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01716058655,
                "variance": 0.0002944857308
              },
              {
                "average": 1,
                "count": 40738,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 40738,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 40738,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.14315839,
                "count": 40738,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.475011367,
                "variance": 71.82581768
              },
              {
                "average": 249.0069714,
                "count": 40738,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.0832042541,
                "variance": 0.006922947901
              },
              {
                "average": 3.142545044,
                "count": 40738,
                "maximum": 5,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.143326698,
                "variance": 1.307195938
              },
              {
                "average": 63656760.02,
                "count": 40738,
                "maximum": 63909860.91,
                "minimum": 63650369.12,
                "name": "GpsTime",
                "position": 12,
                "stddev": 38131.62052,
                "variance": 1454020483
              },
              {
                "average": 0,
                "count": 40738,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 40738,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 40738,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 40738,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 40738,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              642000.1605,
              2355998.521,
              -50.60856214,
              642337.2605,
              2356958.401,
              -44.92856214
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    642000.160540919,
                    2355998.520714401,
                    -50.60856213979545
                  ],
                  [
                    642000.160540919,
                    2356958.4007144007,
                    -50.60856213979545
                  ],
                  [
                    642337.2605409191,
                    2356958.4007144007,
                    -44.928562139795446
                  ],
                  [
                    642337.2605409191,
                    2355998.520714401,
                    -44.928562139795446
                  ],
                  [
                    642000.160540919,
                    2355998.520714401,
                    -50.60856213979545
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:31:00+00:00",
            "end_time": "2013-09-19T18:26:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj4257.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.63090068403378,
              21.312911262267832,
              -49.373698759210164
            ],
            [
              -157.6308871187766,
              21.314374382703292,
              -49.373698759210164
            ],
            [
              -157.6306594329304,
              21.314372529058502,
              -47.67369875921016
            ],
            [
              -157.63067300043946,
              21.31290940876255,
              -47.67369875921016
            ],
            [
              -157.63090068403378,
              21.312911262267832,
              -49.373698759210164
            ]
          ]
        ]
      },
      "bbox": [
        -157.6309007,
        21.31290941,
        -49.37369876,
        -157.6306594,
        21.31437438,
        -47.67369876
      ],
      "properties": {
        "datetime": "2013-09-19T20:28:03Z",
        "pc:count": 388,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 642010.2108,
            "count": 388,
            "maximum": 642023.8274,
            "minimum": 642000.2074,
            "name": "X",
            "position": 0,
            "stddev": 6.457848481,
            "variance": 41.70380701
          },
          {
            "average": 2357480.808,
            "count": 388,
            "maximum": 2357557.706,
            "minimum": 2357395.726,
            "name": "Y",
            "position": 1,
            "stddev": 38.62126951,
            "variance": 1491.602458
          },
          {
            "average": -48.53862144,
            "count": 388,
            "maximum": -47.67369876,
            "minimum": -49.37369876,
            "name": "Z",
            "position": 2,
            "stddev": 0.2724863872,
            "variance": 0.07424883122
          },
          {
            "average": 4487.378866,
            "count": 388,
            "maximum": 8984,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 3962.956302,
            "variance": 15705022.65
          },
          {
            "average": 1.007731959,
            "count": 388,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08770404962,
            "variance": 0.00769200032
          },
          {
            "average": 1.007731959,
            "count": 388,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08770404962,
            "variance": 0.00769200032
          },
          {
            "average": 1,
            "count": 388,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 388,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 388,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.2475516,
            "count": 388,
            "maximum": 21,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.143801551,
            "variance": 51.0339006
          },
          {
            "average": 249.0231959,
            "count": 388,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1507195242,
            "variance": 0.02271637497
          },
          {
            "average": 8,
            "count": 388,
            "maximum": 8,
            "minimum": 8,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 63657683.2,
            "count": 388,
            "maximum": 63657683.39,
            "minimum": 63657683.09,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.08787751702,
            "variance": 0.007722457997
          },
          {
            "average": 0,
            "count": 388,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 388,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 388,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 388,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 388,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          642000.2074,
          2357395.726,
          -49.37369876,
          642023.8274,
          2357557.706,
          -47.67369876
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                642000.2073771183,
                2357395.7261478473,
                -49.373698759210164
              ],
              [
                642000.2073771183,
                2357557.7061478477,
                -49.373698759210164
              ],
              [
                642023.8273771184,
                2357557.7061478477,
                -47.67369875921016
              ],
              [
                642023.8273771184,
                2357395.7261478473,
                -47.67369875921016
              ],
              [
                642000.2073771183,
                2357395.7261478473,
                -49.373698759210164
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:28:03+00:00",
        "end_time": "2013-09-19T20:28:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj4257.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj4257.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj4257.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4257.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6309007,
            21.31290941,
            -49.37369876,
            -157.6306594,
            21.31437438,
            -47.67369876
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.63090068403378,
                  21.312911262267832,
                  -49.373698759210164
                ],
                [
                  -157.6308871187766,
                  21.314374382703292,
                  -49.373698759210164
                ],
                [
                  -157.6306594329304,
                  21.314372529058502,
                  -47.67369875921016
                ],
                [
                  -157.63067300043946,
                  21.31290940876255,
                  -47.67369875921016
                ],
                [
                  -157.63090068403378,
                  21.312911262267832,
                  -49.373698759210164
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj4257.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4257.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:28:03Z",
            "pc:count": 388,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 642010.2108,
                "count": 388,
                "maximum": 642023.8274,
                "minimum": 642000.2074,
                "name": "X",
                "position": 0,
                "stddev": 6.457848481,
                "variance": 41.70380701
              },
              {
                "average": 2357480.808,
                "count": 388,
                "maximum": 2357557.706,
                "minimum": 2357395.726,
                "name": "Y",
                "position": 1,
                "stddev": 38.62126951,
                "variance": 1491.602458
              },
              {
                "average": -48.53862144,
                "count": 388,
                "maximum": -47.67369876,
                "minimum": -49.37369876,
                "name": "Z",
                "position": 2,
                "stddev": 0.2724863872,
                "variance": 0.07424883122
              },
              {
                "average": 4487.378866,
                "count": 388,
                "maximum": 8984,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 3962.956302,
                "variance": 15705022.65
              },
              {
                "average": 1.007731959,
                "count": 388,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08770404962,
                "variance": 0.00769200032
              },
              {
                "average": 1.007731959,
                "count": 388,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08770404962,
                "variance": 0.00769200032
              },
              {
                "average": 1,
                "count": 388,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 388,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 388,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.2475516,
                "count": 388,
                "maximum": 21,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.143801551,
                "variance": 51.0339006
              },
              {
                "average": 249.0231959,
                "count": 388,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1507195242,
                "variance": 0.02271637497
              },
              {
                "average": 8,
                "count": 388,
                "maximum": 8,
                "minimum": 8,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 63657683.2,
                "count": 388,
                "maximum": 63657683.39,
                "minimum": 63657683.09,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.08787751702,
                "variance": 0.007722457997
              },
              {
                "average": 0,
                "count": 388,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 388,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 388,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 388,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 388,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              642000.2074,
              2357395.726,
              -49.37369876,
              642023.8274,
              2357557.706,
              -47.67369876
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    642000.2073771183,
                    2357395.7261478473,
                    -49.373698759210164
                  ],
                  [
                    642000.2073771183,
                    2357557.7061478477,
                    -49.373698759210164
                  ],
                  [
                    642023.8273771184,
                    2357557.7061478477,
                    -47.67369875921016
                  ],
                  [
                    642023.8273771184,
                    2357395.7261478473,
                    -47.67369875921016
                  ],
                  [
                    642000.2073771183,
                    2357395.7261478473,
                    -49.373698759210164
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:28:03+00:00",
            "end_time": "2013-09-19T20:28:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0000.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.03137045545049,
              21.700574162972593,
              -30.699214517540064
            ],
            [
              -158.0313245001522,
              21.707443668237964,
              -30.699214517540064
            ],
            [
              -158.0235438411134,
              21.707398012968056,
              -7.759214517540061
            ],
            [
              -158.02359016619573,
              21.700528523366508,
              -7.759214517540061
            ],
            [
              -158.03137045545049,
              21.700574162972593,
              -30.699214517540064
            ]
          ]
        ]
      },
      "bbox": [
        -158.0313705,
        21.70052852,
        -30.69921452,
        -158.0235438,
        21.70744367,
        -7.759214518
      ],
      "properties": {
        "datetime": "2013-09-09T21:27:08Z",
        "pc:count": 577606,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 600765.0664,
            "count": 577606,
            "maximum": 600999.67,
            "minimum": 600194.79,
            "name": "X",
            "position": 0,
            "stddev": 167.4767316,
            "variance": 28048.45561
          },
          {
            "average": 2400165.23,
            "count": 577606,
            "maximum": 2400758.925,
            "minimum": 2399998.485,
            "name": "Y",
            "position": 1,
            "stddev": 139.1236669,
            "variance": 19355.3947
          },
          {
            "average": -13.77041097,
            "count": 577606,
            "maximum": -7.759214518,
            "minimum": -30.69921452,
            "name": "Z",
            "position": 2,
            "stddev": 5.338121766,
            "variance": 28.49554399
          },
          {
            "average": 65.85332909,
            "count": 577606,
            "maximum": 6321,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 112.0174203,
            "variance": 12547.90245
          },
          {
            "average": 1.011616915,
            "count": 577606,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1112444451,
            "variance": 0.01237532656
          },
          {
            "average": 1.017814912,
            "count": 577606,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1419869375,
            "variance": 0.02016029043
          },
          {
            "average": 1,
            "count": 577606,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 577606,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 577606,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.46178349,
            "count": 577606,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.697307715,
            "variance": 75.64316149
          },
          {
            "average": 131.5507041,
            "count": 577606,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.0650132,
            "variance": 7755.44655
          },
          {
            "average": 1.859991067,
            "count": 577606,
            "maximum": 4,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7728832351,
            "variance": 0.5973484952
          },
          {
            "average": 62796513.53,
            "count": 577606,
            "maximum": 62797228.56,
            "minimum": 62796268.79,
            "name": "GpsTime",
            "position": 12,
            "stddev": 260.2652244,
            "variance": 67737.98704
          },
          {
            "average": 0,
            "count": 577606,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 577606,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 577606,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 577606,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 577606,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          600194.79,
          2399998.485,
          -30.69921452,
          600999.67,
          2400758.925,
          -7.759214518
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                600194.78998351,
                2399998.4854142624,
                -30.699214517540064
              ],
              [
                600194.78998351,
                2400758.925414263,
                -30.699214517540064
              ],
              [
                600999.6699835099,
                2400758.925414263,
                -7.759214517540061
              ],
              [
                600999.6699835099,
                2399998.4854142624,
                -7.759214517540061
              ],
              [
                600194.78998351,
                2399998.4854142624,
                -30.699214517540064
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:27:08+00:00",
        "end_time": "2013-09-09T21:11:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0000.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0000.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0000.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0000.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0313705,
            21.70052852,
            -30.69921452,
            -158.0235438,
            21.70744367,
            -7.759214518
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.03137045545049,
                  21.700574162972593,
                  -30.699214517540064
                ],
                [
                  -158.0313245001522,
                  21.707443668237964,
                  -30.699214517540064
                ],
                [
                  -158.0235438411134,
                  21.707398012968056,
                  -7.759214517540061
                ],
                [
                  -158.02359016619573,
                  21.700528523366508,
                  -7.759214517540061
                ],
                [
                  -158.03137045545049,
                  21.700574162972593,
                  -30.699214517540064
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0000.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0000.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:27:08Z",
            "pc:count": 577606,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 600765.0664,
                "count": 577606,
                "maximum": 600999.67,
                "minimum": 600194.79,
                "name": "X",
                "position": 0,
                "stddev": 167.4767316,
                "variance": 28048.45561
              },
              {
                "average": 2400165.23,
                "count": 577606,
                "maximum": 2400758.925,
                "minimum": 2399998.485,
                "name": "Y",
                "position": 1,
                "stddev": 139.1236669,
                "variance": 19355.3947
              },
              {
                "average": -13.77041097,
                "count": 577606,
                "maximum": -7.759214518,
                "minimum": -30.69921452,
                "name": "Z",
                "position": 2,
                "stddev": 5.338121766,
                "variance": 28.49554399
              },
              {
                "average": 65.85332909,
                "count": 577606,
                "maximum": 6321,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 112.0174203,
                "variance": 12547.90245
              },
              {
                "average": 1.011616915,
                "count": 577606,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1112444451,
                "variance": 0.01237532656
              },
              {
                "average": 1.017814912,
                "count": 577606,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1419869375,
                "variance": 0.02016029043
              },
              {
                "average": 1,
                "count": 577606,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 577606,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 577606,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.46178349,
                "count": 577606,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.697307715,
                "variance": 75.64316149
              },
              {
                "average": 131.5507041,
                "count": 577606,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.0650132,
                "variance": 7755.44655
              },
              {
                "average": 1.859991067,
                "count": 577606,
                "maximum": 4,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7728832351,
                "variance": 0.5973484952
              },
              {
                "average": 62796513.53,
                "count": 577606,
                "maximum": 62797228.56,
                "minimum": 62796268.79,
                "name": "GpsTime",
                "position": 12,
                "stddev": 260.2652244,
                "variance": 67737.98704
              },
              {
                "average": 0,
                "count": 577606,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 577606,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 577606,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 577606,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 577606,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              600194.79,
              2399998.485,
              -30.69921452,
              600999.67,
              2400758.925,
              -7.759214518
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    600194.78998351,
                    2399998.4854142624,
                    -30.699214517540064
                  ],
                  [
                    600194.78998351,
                    2400758.925414263,
                    -30.699214517540064
                  ],
                  [
                    600999.6699835099,
                    2400758.925414263,
                    -7.759214517540061
                  ],
                  [
                    600999.6699835099,
                    2399998.4854142624,
                    -7.759214517540061
                  ],
                  [
                    600194.78998351,
                    2399998.4854142624,
                    -30.699214517540064
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:27:08+00:00",
            "end_time": "2013-09-09T21:11:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj2972.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.75510567238496,
              21.445792741646613,
              -3.354442626587712
            ],
            [
              -157.7550289700615,
              21.454825763338498,
              -3.354442626587712
            ],
            [
              -157.74537958922016,
              21.45475367958334,
              73.8255573734123
            ],
            [
              -157.7454568866084,
              21.445720691138245,
              73.8255573734123
            ],
            [
              -157.75510567238496,
              21.445792741646613,
              -3.354442626587712
            ]
          ]
        ]
      },
      "bbox": [
        -157.7551057,
        21.44572069,
        -3.354442627,
        -157.7453796,
        21.45482576,
        73.82555737
      ],
      "properties": {
        "datetime": "2013-09-21T01:34:16Z",
        "pc:count": 6525151,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 629496.0469,
            "count": 6525151,
            "maximum": 629999.8629,
            "minimum": 628999.8429,
            "name": "X",
            "position": 0,
            "stddev": 290.0746315,
            "variance": 84143.29181
          },
          {
            "average": 2372492.686,
            "count": 6525151,
            "maximum": 2372998.476,
            "minimum": 2371998.476,
            "name": "Y",
            "position": 1,
            "stddev": 283.1721926,
            "variance": 80186.49068
          },
          {
            "average": 9.464458404,
            "count": 6525151,
            "maximum": 73.82555737,
            "minimum": -3.354442627,
            "name": "Z",
            "position": 2,
            "stddev": 9.278097956,
            "variance": 86.08310168
          },
          {
            "average": 28.96486242,
            "count": 6525151,
            "maximum": 6534,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.51264519,
            "variance": 1333.173259
          },
          {
            "average": 1.33194251,
            "count": 6525151,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.7624098346,
            "variance": 0.5812687559
          },
          {
            "average": 1.663998734,
            "count": 6525151,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.185132504,
            "variance": 1.404539053
          },
          {
            "average": 1,
            "count": 6525151,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6525151,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.787165079,
            "count": 6525151,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 3.673974377,
            "variance": 13.49808772
          },
          {
            "average": 20.16739285,
            "count": 6525151,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.652853901,
            "variance": 7.03763382
          },
          {
            "average": 91.71529732,
            "count": 6525151,
            "maximum": 250,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.61539547,
            "variance": 4175.149332
          },
          {
            "average": 3.005368611,
            "count": 6525151,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.816964743,
            "variance": 3.301360878
          },
          {
            "average": 63639097.06,
            "count": 6525151,
            "maximum": 63762456.9,
            "minimum": 63591864.06,
            "name": "GpsTime",
            "position": 12,
            "stddev": 40874.36309,
            "variance": 1670713558
          },
          {
            "average": 0,
            "count": 6525151,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6525151,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6525151,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6525151,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6525151,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          628999.8429,
          2371998.476,
          -3.354442627,
          629999.8629,
          2372998.476,
          73.82555737
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                628999.8428614312,
                2371998.476057254,
                -3.354442626587712
              ],
              [
                628999.8428614312,
                2372998.476057254,
                -3.354442626587712
              ],
              [
                629999.8628614312,
                2372998.476057254,
                73.8255573734123
              ],
              [
                629999.8628614312,
                2371998.476057254,
                73.8255573734123
              ],
              [
                628999.8428614312,
                2371998.476057254,
                -3.354442626587712
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T01:34:16+00:00",
        "end_time": "2013-09-19T02:11:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj2972.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj2972.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj2972.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2972.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7551057,
            21.44572069,
            -3.354442627,
            -157.7453796,
            21.45482576,
            73.82555737
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.75510567238496,
                  21.445792741646613,
                  -3.354442626587712
                ],
                [
                  -157.7550289700615,
                  21.454825763338498,
                  -3.354442626587712
                ],
                [
                  -157.74537958922016,
                  21.45475367958334,
                  73.8255573734123
                ],
                [
                  -157.7454568866084,
                  21.445720691138245,
                  73.8255573734123
                ],
                [
                  -157.75510567238496,
                  21.445792741646613,
                  -3.354442626587712
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj2972.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj2972.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T01:34:16Z",
            "pc:count": 6525151,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 629496.0469,
                "count": 6525151,
                "maximum": 629999.8629,
                "minimum": 628999.8429,
                "name": "X",
                "position": 0,
                "stddev": 290.0746315,
                "variance": 84143.29181
              },
              {
                "average": 2372492.686,
                "count": 6525151,
                "maximum": 2372998.476,
                "minimum": 2371998.476,
                "name": "Y",
                "position": 1,
                "stddev": 283.1721926,
                "variance": 80186.49068
              },
              {
                "average": 9.464458404,
                "count": 6525151,
                "maximum": 73.82555737,
                "minimum": -3.354442627,
                "name": "Z",
                "position": 2,
                "stddev": 9.278097956,
                "variance": 86.08310168
              },
              {
                "average": 28.96486242,
                "count": 6525151,
                "maximum": 6534,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.51264519,
                "variance": 1333.173259
              },
              {
                "average": 1.33194251,
                "count": 6525151,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.7624098346,
                "variance": 0.5812687559
              },
              {
                "average": 1.663998734,
                "count": 6525151,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.185132504,
                "variance": 1.404539053
              },
              {
                "average": 1,
                "count": 6525151,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6525151,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.787165079,
                "count": 6525151,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 3.673974377,
                "variance": 13.49808772
              },
              {
                "average": 20.16739285,
                "count": 6525151,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.652853901,
                "variance": 7.03763382
              },
              {
                "average": 91.71529732,
                "count": 6525151,
                "maximum": 250,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.61539547,
                "variance": 4175.149332
              },
              {
                "average": 3.005368611,
                "count": 6525151,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.816964743,
                "variance": 3.301360878
              },
              {
                "average": 63639097.06,
                "count": 6525151,
                "maximum": 63762456.9,
                "minimum": 63591864.06,
                "name": "GpsTime",
                "position": 12,
                "stddev": 40874.36309,
                "variance": 1670713558
              },
              {
                "average": 0,
                "count": 6525151,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6525151,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6525151,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6525151,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6525151,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              628999.8429,
              2371998.476,
              -3.354442627,
              629999.8629,
              2372998.476,
              73.82555737
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    628999.8428614312,
                    2371998.476057254,
                    -3.354442626587712
                  ],
                  [
                    628999.8428614312,
                    2372998.476057254,
                    -3.354442626587712
                  ],
                  [
                    629999.8628614312,
                    2372998.476057254,
                    73.8255573734123
                  ],
                  [
                    629999.8628614312,
                    2371998.476057254,
                    73.8255573734123
                  ],
                  [
                    628999.8428614312,
                    2371998.476057254,
                    -3.354442626587712
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T01:34:16+00:00",
            "end_time": "2013-09-19T02:11:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3958.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.65977096724302,
              21.318588837778638,
              -32.639492158445
            ],
            [
              -157.65968891137314,
              21.327621840481324,
              -32.639492158445
            ],
            [
              -157.6500482266896,
              21.32754469624748,
              97.640507841555
            ],
            [
              -157.650130868749,
              21.318511729564204,
              97.640507841555
            ],
            [
              -157.65977096724302,
              21.318588837778638,
              -32.639492158445
            ]
          ]
        ]
      },
      "bbox": [
        -157.659771,
        21.31851173,
        -32.63949216,
        -157.6500482,
        21.32762184,
        97.64050784
      ],
      "properties": {
        "datetime": "2013-09-20T19:28:48Z",
        "pc:count": 4440978,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 639389.5503,
            "count": 4440978,
            "maximum": 640000.1047,
            "minimum": 639000.0847,
            "name": "X",
            "position": 0,
            "stddev": 235.7678182,
            "variance": 55586.46409
          },
          {
            "average": 2358532.155,
            "count": 4440978,
            "maximum": 2358998.509,
            "minimum": 2357998.489,
            "name": "Y",
            "position": 1,
            "stddev": 261.6979456,
            "variance": 68485.81472
          },
          {
            "average": -5.27666477,
            "count": 4440978,
            "maximum": 97.64050784,
            "minimum": -32.63949216,
            "name": "Z",
            "position": 2,
            "stddev": 13.07448988,
            "variance": 170.9422856
          },
          {
            "average": 76.72286758,
            "count": 4440978,
            "maximum": 7853,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 243.240511,
            "variance": 59165.9462
          },
          {
            "average": 1.038532053,
            "count": 4440978,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2104933644,
            "variance": 0.04430745646
          },
          {
            "average": 1.075278463,
            "count": 4440978,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3067387788,
            "variance": 0.09408867843
          },
          {
            "average": 1,
            "count": 4440978,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4440978,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 24.9215684,
            "count": 4440978,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.816270018,
            "variance": 96.35915706
          },
          {
            "average": 19.13615767,
            "count": 4440978,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.190130321,
            "variance": 17.5571921
          },
          {
            "average": 105.5010495,
            "count": 4440978,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 77.40754716,
            "variance": 5991.928357
          },
          {
            "average": 2.148669505,
            "count": 4440978,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.530445995,
            "variance": 2.342264944
          },
          {
            "average": 63642194.08,
            "count": 4440978,
            "maximum": 63740528.34,
            "minimum": 63590469.75,
            "name": "GpsTime",
            "position": 12,
            "stddev": 56827.70142,
            "variance": 3229387649
          },
          {
            "average": 0,
            "count": 4440978,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4440978,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4440978,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4440978,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4440978,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          639000.0847,
          2357998.489,
          -32.63949216,
          640000.1047,
          2358998.509,
          97.64050784
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                639000.0847137416,
                2357998.489084118,
                -32.639492158445
              ],
              [
                639000.0847137416,
                2358998.5090841176,
                -32.639492158445
              ],
              [
                640000.1047137416,
                2358998.5090841176,
                97.640507841555
              ],
              [
                640000.1047137416,
                2357998.489084118,
                97.640507841555
              ],
              [
                639000.0847137416,
                2357998.489084118,
                -32.639492158445
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:28:48+00:00",
        "end_time": "2013-09-19T01:47:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3958.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3958.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3958.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3958.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.659771,
            21.31851173,
            -32.63949216,
            -157.6500482,
            21.32762184,
            97.64050784
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.65977096724302,
                  21.318588837778638,
                  -32.639492158445
                ],
                [
                  -157.65968891137314,
                  21.327621840481324,
                  -32.639492158445
                ],
                [
                  -157.6500482266896,
                  21.32754469624748,
                  97.640507841555
                ],
                [
                  -157.650130868749,
                  21.318511729564204,
                  97.640507841555
                ],
                [
                  -157.65977096724302,
                  21.318588837778638,
                  -32.639492158445
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3958.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3958.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:28:48Z",
            "pc:count": 4440978,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 639389.5503,
                "count": 4440978,
                "maximum": 640000.1047,
                "minimum": 639000.0847,
                "name": "X",
                "position": 0,
                "stddev": 235.7678182,
                "variance": 55586.46409
              },
              {
                "average": 2358532.155,
                "count": 4440978,
                "maximum": 2358998.509,
                "minimum": 2357998.489,
                "name": "Y",
                "position": 1,
                "stddev": 261.6979456,
                "variance": 68485.81472
              },
              {
                "average": -5.27666477,
                "count": 4440978,
                "maximum": 97.64050784,
                "minimum": -32.63949216,
                "name": "Z",
                "position": 2,
                "stddev": 13.07448988,
                "variance": 170.9422856
              },
              {
                "average": 76.72286758,
                "count": 4440978,
                "maximum": 7853,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 243.240511,
                "variance": 59165.9462
              },
              {
                "average": 1.038532053,
                "count": 4440978,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2104933644,
                "variance": 0.04430745646
              },
              {
                "average": 1.075278463,
                "count": 4440978,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3067387788,
                "variance": 0.09408867843
              },
              {
                "average": 1,
                "count": 4440978,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4440978,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 24.9215684,
                "count": 4440978,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.816270018,
                "variance": 96.35915706
              },
              {
                "average": 19.13615767,
                "count": 4440978,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.190130321,
                "variance": 17.5571921
              },
              {
                "average": 105.5010495,
                "count": 4440978,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 77.40754716,
                "variance": 5991.928357
              },
              {
                "average": 2.148669505,
                "count": 4440978,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.530445995,
                "variance": 2.342264944
              },
              {
                "average": 63642194.08,
                "count": 4440978,
                "maximum": 63740528.34,
                "minimum": 63590469.75,
                "name": "GpsTime",
                "position": 12,
                "stddev": 56827.70142,
                "variance": 3229387649
              },
              {
                "average": 0,
                "count": 4440978,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4440978,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4440978,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4440978,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4440978,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              639000.0847,
              2357998.489,
              -32.63949216,
              640000.1047,
              2358998.509,
              97.64050784
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    639000.0847137416,
                    2357998.489084118,
                    -32.639492158445
                  ],
                  [
                    639000.0847137416,
                    2358998.5090841176,
                    -32.639492158445
                  ],
                  [
                    640000.1047137416,
                    2358998.5090841176,
                    97.640507841555
                  ],
                  [
                    640000.1047137416,
                    2357998.489084118,
                    97.640507841555
                  ],
                  [
                    639000.0847137416,
                    2357998.489084118,
                    -32.639492158445
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:28:48+00:00",
            "end_time": "2013-09-19T01:47:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3153.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.73727994033524,
              21.27401973076182,
              -8.086303229582374
            ],
            [
              -157.73720284130405,
              21.28305305894351,
              -8.086303229582374
            ],
            [
              -157.72756456819354,
              21.282980502771778,
              32.33369677041763
            ],
            [
              -157.72764225414568,
              21.273947208510375,
              32.33369677041763
            ],
            [
              -157.73727994033524,
              21.27401973076182,
              -8.086303229582374
            ]
          ]
        ]
      },
      "bbox": [
        -157.7372799,
        21.27394721,
        -8.08630323,
        -157.7275646,
        21.28305306,
        32.33369677
      ],
      "properties": {
        "datetime": "2013-09-22T20:10:49Z",
        "pc:count": 5052157,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 631485.1959,
            "count": 5052157,
            "maximum": 631999.888,
            "minimum": 630999.848,
            "name": "X",
            "position": 0,
            "stddev": 286.6941412,
            "variance": 82193.53057
          },
          {
            "average": 2353477.421,
            "count": 5052157,
            "maximum": 2353998.458,
            "minimum": 2352998.438,
            "name": "Y",
            "position": 1,
            "stddev": 308.7936132,
            "variance": 95353.49556
          },
          {
            "average": 0.5276124722,
            "count": 5052157,
            "maximum": 32.33369677,
            "minimum": -8.08630323,
            "name": "Z",
            "position": 2,
            "stddev": 4.271674989,
            "variance": 18.24720721
          },
          {
            "average": 10.61935783,
            "count": 5052157,
            "maximum": 4268,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 33.59086379,
            "variance": 1128.34613
          },
          {
            "average": 1.147019184,
            "count": 5052157,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5041662901,
            "variance": 0.2541836481
          },
          {
            "average": 1.292236761,
            "count": 5052157,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.7925476898,
            "variance": 0.6281318406
          },
          {
            "average": 1,
            "count": 5052157,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5052157,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 21.05472435,
            "count": 5052157,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.56404471,
            "variance": 157.8552194
          },
          {
            "average": 20.17228915,
            "count": 5052157,
            "maximum": 31.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.058392698,
            "variance": 9.353765895
          },
          {
            "average": 90.70826362,
            "count": 5052157,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.01213455,
            "variance": 4490.626177
          },
          {
            "average": 6.742376573,
            "count": 5052157,
            "maximum": 14,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.913737142,
            "variance": 15.31733842
          },
          {
            "average": 63775596.13,
            "count": 5052157,
            "maximum": 63915849.29,
            "minimum": 63381467.74,
            "name": "GpsTime",
            "position": 12,
            "stddev": 230854.8071,
            "variance": 53293941950.0
          },
          {
            "average": 0,
            "count": 5052157,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5052157,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5052157,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5052157,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5052157,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          630999.848,
          2352998.438,
          -8.08630323,
          631999.888,
          2353998.458,
          32.33369677
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                630999.8479598573,
                2352998.438474277,
                -8.086303229582374
              ],
              [
                630999.8479598573,
                2353998.4584742766,
                -8.086303229582374
              ],
              [
                631999.8879598574,
                2353998.4584742766,
                32.33369677041763
              ],
              [
                631999.8879598574,
                2352998.438474277,
                32.33369677041763
              ],
              [
                630999.8479598573,
                2352998.438474277,
                -8.086303229582374
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T20:10:49+00:00",
        "end_time": "2013-09-16T15:44:27+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3153.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3153.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3153.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3153.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7372799,
            21.27394721,
            -8.08630323,
            -157.7275646,
            21.28305306,
            32.33369677
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.73727994033524,
                  21.27401973076182,
                  -8.086303229582374
                ],
                [
                  -157.73720284130405,
                  21.28305305894351,
                  -8.086303229582374
                ],
                [
                  -157.72756456819354,
                  21.282980502771778,
                  32.33369677041763
                ],
                [
                  -157.72764225414568,
                  21.273947208510375,
                  32.33369677041763
                ],
                [
                  -157.73727994033524,
                  21.27401973076182,
                  -8.086303229582374
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3153.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3153.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T20:10:49Z",
            "pc:count": 5052157,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 631485.1959,
                "count": 5052157,
                "maximum": 631999.888,
                "minimum": 630999.848,
                "name": "X",
                "position": 0,
                "stddev": 286.6941412,
                "variance": 82193.53057
              },
              {
                "average": 2353477.421,
                "count": 5052157,
                "maximum": 2353998.458,
                "minimum": 2352998.438,
                "name": "Y",
                "position": 1,
                "stddev": 308.7936132,
                "variance": 95353.49556
              },
              {
                "average": 0.5276124722,
                "count": 5052157,
                "maximum": 32.33369677,
                "minimum": -8.08630323,
                "name": "Z",
                "position": 2,
                "stddev": 4.271674989,
                "variance": 18.24720721
              },
              {
                "average": 10.61935783,
                "count": 5052157,
                "maximum": 4268,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 33.59086379,
                "variance": 1128.34613
              },
              {
                "average": 1.147019184,
                "count": 5052157,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5041662901,
                "variance": 0.2541836481
              },
              {
                "average": 1.292236761,
                "count": 5052157,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.7925476898,
                "variance": 0.6281318406
              },
              {
                "average": 1,
                "count": 5052157,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5052157,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 21.05472435,
                "count": 5052157,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.56404471,
                "variance": 157.8552194
              },
              {
                "average": 20.17228915,
                "count": 5052157,
                "maximum": 31.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.058392698,
                "variance": 9.353765895
              },
              {
                "average": 90.70826362,
                "count": 5052157,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.01213455,
                "variance": 4490.626177
              },
              {
                "average": 6.742376573,
                "count": 5052157,
                "maximum": 14,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.913737142,
                "variance": 15.31733842
              },
              {
                "average": 63775596.13,
                "count": 5052157,
                "maximum": 63915849.29,
                "minimum": 63381467.74,
                "name": "GpsTime",
                "position": 12,
                "stddev": 230854.8071,
                "variance": 53293941950.0
              },
              {
                "average": 0,
                "count": 5052157,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5052157,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5052157,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5052157,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5052157,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              630999.848,
              2352998.438,
              -8.08630323,
              631999.888,
              2353998.458,
              32.33369677
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    630999.8479598573,
                    2352998.438474277,
                    -8.086303229582374
                  ],
                  [
                    630999.8479598573,
                    2353998.4584742766,
                    -8.086303229582374
                  ],
                  [
                    631999.8879598574,
                    2353998.4584742766,
                    32.33369677041763
                  ],
                  [
                    631999.8879598574,
                    2352998.438474277,
                    32.33369677041763
                  ],
                  [
                    630999.8479598573,
                    2352998.438474277,
                    -8.086303229582374
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T20:10:49+00:00",
            "end_time": "2013-09-16T15:44:27+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0100.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.02359012717758,
              21.700528595596907,
              -30.659055370417477
            ],
            [
              -158.02352920455002,
              21.70956216654212,
              -30.659055370417477
            ],
            [
              -158.01386222987998,
              21.709504929502295,
              0.400944629582526
            ],
            [
              -158.0139237562313,
              21.700471384501284,
              0.400944629582526
            ],
            [
              -158.02359012717758,
              21.700528595596907,
              -30.659055370417477
            ]
          ]
        ]
      },
      "bbox": [
        -158.0235901,
        21.70047138,
        -30.65905537,
        -158.0138622,
        21.70956217,
        0.4009446296
      ],
      "properties": {
        "datetime": "2013-09-23T00:27:59Z",
        "pc:count": 2947030,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 601617.2041,
            "count": 2947030,
            "maximum": 601999.674,
            "minimum": 600999.674,
            "name": "X",
            "position": 0,
            "stddev": 270.7750394,
            "variance": 73319.12195
          },
          {
            "average": 2400312.176,
            "count": 2947030,
            "maximum": 2400998.493,
            "minimum": 2399998.493,
            "name": "Y",
            "position": 1,
            "stddev": 218.2396068,
            "variance": 47628.52598
          },
          {
            "average": -8.717094206,
            "count": 2947030,
            "maximum": 0.4009446296,
            "minimum": -30.65905537,
            "name": "Z",
            "position": 2,
            "stddev": 4.172208134,
            "variance": 17.40732071
          },
          {
            "average": 22.30928121,
            "count": 2947030,
            "maximum": 7937,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 63.79290602,
            "variance": 4069.534859
          },
          {
            "average": 1.015004259,
            "count": 2947030,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1245202426,
            "variance": 0.01550529082
          },
          {
            "average": 1.027571148,
            "count": 2947030,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1709232741,
            "variance": 0.02921476562
          },
          {
            "average": 1,
            "count": 2947030,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2947030,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2947030,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.58970789,
            "count": 2947030,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.523346445,
            "variance": 30.50735595
          },
          {
            "average": 99.38022076,
            "count": 2947030,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 72.02768985,
            "variance": 5187.988105
          },
          {
            "average": 4.639841468,
            "count": 2947030,
            "maximum": 11,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.378149984,
            "variance": 1.899297378
          },
          {
            "average": 62812467.42,
            "count": 2947030,
            "maximum": 63931279.88,
            "minimum": 62796282.21,
            "name": "GpsTime",
            "position": 12,
            "stddev": 129424.0683,
            "variance": 16750589450.0
          },
          {
            "average": 0,
            "count": 2947030,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2947030,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2947030,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2947030,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2947030,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          600999.674,
          2399998.493,
          -30.65905537,
          601999.674,
          2400998.493,
          0.4009446296
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                600999.6739694487,
                2399998.493435153,
                -30.659055370417477
              ],
              [
                600999.6739694487,
                2400998.493435153,
                -30.659055370417477
              ],
              [
                601999.6739694487,
                2400998.493435153,
                0.400944629582526
              ],
              [
                601999.6739694487,
                2399998.493435153,
                0.400944629582526
              ],
              [
                600999.6739694487,
                2399998.493435153,
                -30.659055370417477
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:27:59+00:00",
        "end_time": "2013-09-09T21:11:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0100.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0100.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0100.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0100.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0235901,
            21.70047138,
            -30.65905537,
            -158.0138622,
            21.70956217,
            0.4009446296
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.02359012717758,
                  21.700528595596907,
                  -30.659055370417477
                ],
                [
                  -158.02352920455002,
                  21.70956216654212,
                  -30.659055370417477
                ],
                [
                  -158.01386222987998,
                  21.709504929502295,
                  0.400944629582526
                ],
                [
                  -158.0139237562313,
                  21.700471384501284,
                  0.400944629582526
                ],
                [
                  -158.02359012717758,
                  21.700528595596907,
                  -30.659055370417477
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0100.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0100.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:27:59Z",
            "pc:count": 2947030,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 601617.2041,
                "count": 2947030,
                "maximum": 601999.674,
                "minimum": 600999.674,
                "name": "X",
                "position": 0,
                "stddev": 270.7750394,
                "variance": 73319.12195
              },
              {
                "average": 2400312.176,
                "count": 2947030,
                "maximum": 2400998.493,
                "minimum": 2399998.493,
                "name": "Y",
                "position": 1,
                "stddev": 218.2396068,
                "variance": 47628.52598
              },
              {
                "average": -8.717094206,
                "count": 2947030,
                "maximum": 0.4009446296,
                "minimum": -30.65905537,
                "name": "Z",
                "position": 2,
                "stddev": 4.172208134,
                "variance": 17.40732071
              },
              {
                "average": 22.30928121,
                "count": 2947030,
                "maximum": 7937,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 63.79290602,
                "variance": 4069.534859
              },
              {
                "average": 1.015004259,
                "count": 2947030,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1245202426,
                "variance": 0.01550529082
              },
              {
                "average": 1.027571148,
                "count": 2947030,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1709232741,
                "variance": 0.02921476562
              },
              {
                "average": 1,
                "count": 2947030,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2947030,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2947030,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.58970789,
                "count": 2947030,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.523346445,
                "variance": 30.50735595
              },
              {
                "average": 99.38022076,
                "count": 2947030,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 72.02768985,
                "variance": 5187.988105
              },
              {
                "average": 4.639841468,
                "count": 2947030,
                "maximum": 11,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.378149984,
                "variance": 1.899297378
              },
              {
                "average": 62812467.42,
                "count": 2947030,
                "maximum": 63931279.88,
                "minimum": 62796282.21,
                "name": "GpsTime",
                "position": 12,
                "stddev": 129424.0683,
                "variance": 16750589450.0
              },
              {
                "average": 0,
                "count": 2947030,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2947030,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2947030,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2947030,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2947030,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              600999.674,
              2399998.493,
              -30.65905537,
              601999.674,
              2400998.493,
              0.4009446296
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    600999.6739694487,
                    2399998.493435153,
                    -30.659055370417477
                  ],
                  [
                    600999.6739694487,
                    2400998.493435153,
                    -30.659055370417477
                  ],
                  [
                    601999.6739694487,
                    2400998.493435153,
                    0.400944629582526
                  ],
                  [
                    601999.6739694487,
                    2399998.493435153,
                    0.400944629582526
                  ],
                  [
                    600999.6739694487,
                    2399998.493435153,
                    -30.659055370417477
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:27:59+00:00",
            "end_time": "2013-09-09T21:11:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3565.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6977737145945,
              21.382122193211508,
              -15.841499546225833
            ],
            [
              -157.69769379699792,
              21.391155080482907,
              -15.841499546225833
            ],
            [
              -157.6880487685527,
              21.391079905814916,
              62.91850045377417
            ],
            [
              -157.68812928160875,
              21.382047052869794,
              62.91850045377417
            ],
            [
              -157.6977737145945,
              21.382122193211508,
              -15.841499546225833
            ]
          ]
        ]
      },
      "bbox": [
        -157.6977737,
        21.38204705,
        -15.84149955,
        -157.6880488,
        21.39115508,
        62.91850045
      ],
      "properties": {
        "datetime": "2013-09-19T19:44:08Z",
        "pc:count": 3046103,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635345.8706,
            "count": 3046103,
            "maximum": 635999.9967,
            "minimum": 634999.9767,
            "name": "X",
            "position": 0,
            "stddev": 229.9641592,
            "variance": 52883.51452
          },
          {
            "average": 2365427.144,
            "count": 3046103,
            "maximum": 2365998.482,
            "minimum": 2364998.482,
            "name": "Y",
            "position": 1,
            "stddev": 271.0183256,
            "variance": 73450.93279
          },
          {
            "average": -5.727429165,
            "count": 3046103,
            "maximum": 62.91850045,
            "minimum": -15.84149955,
            "name": "Z",
            "position": 2,
            "stddev": 5.114592517,
            "variance": 26.15905662
          },
          {
            "average": 9.156219603,
            "count": 3046103,
            "maximum": 1387,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 25.35662162,
            "variance": 642.9582602
          },
          {
            "average": 1.068438592,
            "count": 3046103,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2638335733,
            "variance": 0.06960815439
          },
          {
            "average": 1.143503027,
            "count": 3046103,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3762577068,
            "variance": 0.1415698619
          },
          {
            "average": 1,
            "count": 3046103,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3046103,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.15265308,
            "count": 3046103,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.779151349,
            "variance": 22.84028761
          },
          {
            "average": 18.79697448,
            "count": 3046103,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.339109439,
            "variance": 28.5060896
          },
          {
            "average": 93.37468431,
            "count": 3046103,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.29599059,
            "variance": 4133.974406
          },
          {
            "average": 5.416773497,
            "count": 3046103,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.435860835,
            "variance": 5.933418007
          },
          {
            "average": 63596246.65,
            "count": 3046103,
            "maximum": 63655048.89,
            "minimum": 63591726.33,
            "name": "GpsTime",
            "position": 12,
            "stddev": 12136.31901,
            "variance": 147290239.2
          },
          {
            "average": 0,
            "count": 3046103,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3046103,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3046103,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3046103,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3046103,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9767,
          2364998.482,
          -15.84149955,
          635999.9967,
          2365998.482,
          62.91850045
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9766831514,
                2364998.4819533583,
                -15.841499546225833
              ],
              [
                634999.9766831514,
                2365998.4819533583,
                -15.841499546225833
              ],
              [
                635999.9966831515,
                2365998.4819533583,
                62.91850045377417
              ],
              [
                635999.9966831515,
                2364998.4819533583,
                62.91850045377417
              ],
              [
                634999.9766831514,
                2364998.4819533583,
                -15.841499546225833
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:44:08+00:00",
        "end_time": "2013-09-19T02:08:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3565.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3565.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3565.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3565.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6977737,
            21.38204705,
            -15.84149955,
            -157.6880488,
            21.39115508,
            62.91850045
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6977737145945,
                  21.382122193211508,
                  -15.841499546225833
                ],
                [
                  -157.69769379699792,
                  21.391155080482907,
                  -15.841499546225833
                ],
                [
                  -157.6880487685527,
                  21.391079905814916,
                  62.91850045377417
                ],
                [
                  -157.68812928160875,
                  21.382047052869794,
                  62.91850045377417
                ],
                [
                  -157.6977737145945,
                  21.382122193211508,
                  -15.841499546225833
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3565.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3565.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:44:08Z",
            "pc:count": 3046103,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635345.8706,
                "count": 3046103,
                "maximum": 635999.9967,
                "minimum": 634999.9767,
                "name": "X",
                "position": 0,
                "stddev": 229.9641592,
                "variance": 52883.51452
              },
              {
                "average": 2365427.144,
                "count": 3046103,
                "maximum": 2365998.482,
                "minimum": 2364998.482,
                "name": "Y",
                "position": 1,
                "stddev": 271.0183256,
                "variance": 73450.93279
              },
              {
                "average": -5.727429165,
                "count": 3046103,
                "maximum": 62.91850045,
                "minimum": -15.84149955,
                "name": "Z",
                "position": 2,
                "stddev": 5.114592517,
                "variance": 26.15905662
              },
              {
                "average": 9.156219603,
                "count": 3046103,
                "maximum": 1387,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 25.35662162,
                "variance": 642.9582602
              },
              {
                "average": 1.068438592,
                "count": 3046103,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2638335733,
                "variance": 0.06960815439
              },
              {
                "average": 1.143503027,
                "count": 3046103,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3762577068,
                "variance": 0.1415698619
              },
              {
                "average": 1,
                "count": 3046103,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3046103,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.15265308,
                "count": 3046103,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.779151349,
                "variance": 22.84028761
              },
              {
                "average": 18.79697448,
                "count": 3046103,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.339109439,
                "variance": 28.5060896
              },
              {
                "average": 93.37468431,
                "count": 3046103,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.29599059,
                "variance": 4133.974406
              },
              {
                "average": 5.416773497,
                "count": 3046103,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.435860835,
                "variance": 5.933418007
              },
              {
                "average": 63596246.65,
                "count": 3046103,
                "maximum": 63655048.89,
                "minimum": 63591726.33,
                "name": "GpsTime",
                "position": 12,
                "stddev": 12136.31901,
                "variance": 147290239.2
              },
              {
                "average": 0,
                "count": 3046103,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3046103,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3046103,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3046103,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3046103,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9767,
              2364998.482,
              -15.84149955,
              635999.9967,
              2365998.482,
              62.91850045
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9766831514,
                    2364998.4819533583,
                    -15.841499546225833
                  ],
                  [
                    634999.9766831514,
                    2365998.4819533583,
                    -15.841499546225833
                  ],
                  [
                    635999.9966831515,
                    2365998.4819533583,
                    62.91850045377417
                  ],
                  [
                    635999.9966831515,
                    2364998.4819533583,
                    62.91850045377417
                  ],
                  [
                    634999.9766831514,
                    2364998.4819533583,
                    -15.841499546225833
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:44:08+00:00",
            "end_time": "2013-09-19T02:08:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0101.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0164281369822,
              21.709520242275048,
              -36.11284317579434
            ],
            [
              -158.01641117338966,
              21.712016572242383,
              -36.11284317579434
            ],
            [
              -158.01384532385356,
              21.712001323525584,
              -21.992843175794334
            ],
            [
              -158.01386233173875,
              21.709504995469228,
              -21.992843175794334
            ],
            [
              -158.0164281369822,
              21.709520242275048,
              -36.11284317579434
            ]
          ]
        ]
      },
      "bbox": [
        -158.0164281,
        21.709505,
        -36.11284318,
        -158.0138453,
        21.71201657,
        -21.99284318
      ],
      "properties": {
        "datetime": "2013-09-09T21:26:48Z",
        "pc:count": 22540,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 601901.4118,
            "count": 22540,
            "maximum": 601999.6634,
            "minimum": 601734.2434,
            "name": "X",
            "position": 0,
            "stddev": 69.22855921,
            "variance": 4792.59341
          },
          {
            "average": 2401098.585,
            "count": 22540,
            "maximum": 2401274.841,
            "minimum": 2400998.501,
            "name": "Y",
            "position": 1,
            "stddev": 73.34263278,
            "variance": 5379.141783
          },
          {
            "average": -28.3187682,
            "count": 22540,
            "maximum": -21.99284318,
            "minimum": -36.11284318,
            "name": "Z",
            "position": 2,
            "stddev": 1.502068621,
            "variance": 2.256210143
          },
          {
            "average": 392.3125555,
            "count": 22540,
            "maximum": 723,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 89.47131967,
            "variance": 8005.117044
          },
          {
            "average": 1.006166815,
            "count": 22540,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07828829331,
            "variance": 0.006129056869
          },
          {
            "average": 1.008030169,
            "count": 22540,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08974838985,
            "variance": 0.008054773481
          },
          {
            "average": 1,
            "count": 22540,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22540,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 22540,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.4084244,
            "count": 22540,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.275453887,
            "variance": 86.03404482
          },
          {
            "average": 249.0276841,
            "count": 22540,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1651479379,
            "variance": 0.02727384138
          },
          {
            "average": 3.086512866,
            "count": 22540,
            "maximum": 4,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.2811261217,
            "variance": 0.07903189632
          },
          {
            "average": 62797005.89,
            "count": 22540,
            "maximum": 62797208.21,
            "minimum": 62796983.04,
            "name": "GpsTime",
            "position": 12,
            "stddev": 61.84569582,
            "variance": 3824.890092
          },
          {
            "average": 0,
            "count": 22540,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22540,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22540,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22540,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22540,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          601734.2434,
          2400998.501,
          -36.11284318,
          601999.6634,
          2401274.841,
          -21.99284318
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                601734.2433865936,
                2400998.500670215,
                -36.11284317579434
              ],
              [
                601734.2433865936,
                2401274.840670215,
                -36.11284317579434
              ],
              [
                601999.6633865936,
                2401274.840670215,
                -21.992843175794334
              ],
              [
                601999.6633865936,
                2400998.500670215,
                -21.992843175794334
              ],
              [
                601734.2433865936,
                2400998.500670215,
                -36.11284317579434
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:26:48+00:00",
        "end_time": "2013-09-09T21:23:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0101.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0101.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0101.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0101.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0164281,
            21.709505,
            -36.11284318,
            -158.0138453,
            21.71201657,
            -21.99284318
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0164281369822,
                  21.709520242275048,
                  -36.11284317579434
                ],
                [
                  -158.01641117338966,
                  21.712016572242383,
                  -36.11284317579434
                ],
                [
                  -158.01384532385356,
                  21.712001323525584,
                  -21.992843175794334
                ],
                [
                  -158.01386233173875,
                  21.709504995469228,
                  -21.992843175794334
                ],
                [
                  -158.0164281369822,
                  21.709520242275048,
                  -36.11284317579434
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0101.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0101.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:26:48Z",
            "pc:count": 22540,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 601901.4118,
                "count": 22540,
                "maximum": 601999.6634,
                "minimum": 601734.2434,
                "name": "X",
                "position": 0,
                "stddev": 69.22855921,
                "variance": 4792.59341
              },
              {
                "average": 2401098.585,
                "count": 22540,
                "maximum": 2401274.841,
                "minimum": 2400998.501,
                "name": "Y",
                "position": 1,
                "stddev": 73.34263278,
                "variance": 5379.141783
              },
              {
                "average": -28.3187682,
                "count": 22540,
                "maximum": -21.99284318,
                "minimum": -36.11284318,
                "name": "Z",
                "position": 2,
                "stddev": 1.502068621,
                "variance": 2.256210143
              },
              {
                "average": 392.3125555,
                "count": 22540,
                "maximum": 723,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 89.47131967,
                "variance": 8005.117044
              },
              {
                "average": 1.006166815,
                "count": 22540,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07828829331,
                "variance": 0.006129056869
              },
              {
                "average": 1.008030169,
                "count": 22540,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08974838985,
                "variance": 0.008054773481
              },
              {
                "average": 1,
                "count": 22540,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22540,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 22540,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.4084244,
                "count": 22540,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.275453887,
                "variance": 86.03404482
              },
              {
                "average": 249.0276841,
                "count": 22540,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1651479379,
                "variance": 0.02727384138
              },
              {
                "average": 3.086512866,
                "count": 22540,
                "maximum": 4,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.2811261217,
                "variance": 0.07903189632
              },
              {
                "average": 62797005.89,
                "count": 22540,
                "maximum": 62797208.21,
                "minimum": 62796983.04,
                "name": "GpsTime",
                "position": 12,
                "stddev": 61.84569582,
                "variance": 3824.890092
              },
              {
                "average": 0,
                "count": 22540,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22540,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22540,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22540,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22540,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              601734.2434,
              2400998.501,
              -36.11284318,
              601999.6634,
              2401274.841,
              -21.99284318
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    601734.2433865936,
                    2400998.500670215,
                    -36.11284317579434
                  ],
                  [
                    601734.2433865936,
                    2401274.840670215,
                    -36.11284317579434
                  ],
                  [
                    601999.6633865936,
                    2401274.840670215,
                    -21.992843175794334
                  ],
                  [
                    601999.6633865936,
                    2400998.500670215,
                    -21.992843175794334
                  ],
                  [
                    601734.2433865936,
                    2400998.500670215,
                    -36.11284317579434
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:26:48+00:00",
            "end_time": "2013-09-09T21:23:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3461.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7077350202041,
              21.34606491157581,
              -6.911825023486852
            ],
            [
              -157.7076558479433,
              21.355097875273017,
              -6.911825023486852
            ],
            [
              -157.69801316795667,
              21.355023391157577,
              48.42817497651315
            ],
            [
              -157.69809293432925,
              21.345990461660826,
              48.42817497651315
            ],
            [
              -157.7077350202041,
              21.34606491157581,
              -6.911825023486852
            ]
          ]
        ]
      },
      "bbox": [
        -157.707735,
        21.34599046,
        -6.911825023,
        -157.6980132,
        21.35509788,
        48.42817498
      ],
      "properties": {
        "datetime": "2013-09-21T00:16:09Z",
        "pc:count": 5561459,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634380.2608,
            "count": 5561459,
            "maximum": 634999.9748,
            "minimum": 633999.9548,
            "name": "X",
            "position": 0,
            "stddev": 306.1414621,
            "variance": 93722.59479
          },
          {
            "average": 2361389.809,
            "count": 5561459,
            "maximum": 2361998.473,
            "minimum": 2360998.473,
            "name": "Y",
            "position": 1,
            "stddev": 269.2503562,
            "variance": 72495.75431
          },
          {
            "average": 8.86398508,
            "count": 5561459,
            "maximum": 48.42817498,
            "minimum": -6.911825023,
            "name": "Z",
            "position": 2,
            "stddev": 13.08311344,
            "variance": 171.1678573
          },
          {
            "average": 14.79180337,
            "count": 5561459,
            "maximum": 8522,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 51.98714097,
            "variance": 2702.662826
          },
          {
            "average": 1.790172687,
            "count": 5561459,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.131090352,
            "variance": 1.279365385
          },
          {
            "average": 2.572806884,
            "count": 5561459,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.665095972,
            "variance": 2.772544598
          },
          {
            "average": 1,
            "count": 5561459,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5561459,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.87459945,
            "count": 5561459,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.58813685,
            "variance": 184.6374631
          },
          {
            "average": 20.15283869,
            "count": 5561459,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.679056793,
            "variance": 2.819231714
          },
          {
            "average": 92.54014567,
            "count": 5561459,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.37153829,
            "variance": 4538.924172
          },
          {
            "average": 7.570903966,
            "count": 5561459,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.852036514,
            "variance": 3.43003925
          },
          {
            "average": 63744371.08,
            "count": 5561459,
            "maximum": 63757769.94,
            "minimum": 63741447.83,
            "name": "GpsTime",
            "position": 12,
            "stddev": 2106.3695,
            "variance": 4436792.47
          },
          {
            "average": 0,
            "count": 5561459,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5561459,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5561459,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5561459,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5561459,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9548,
          2360998.473,
          -6.911825023,
          634999.9748,
          2361998.473,
          48.42817498
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.9547890163,
                2360998.4732473087,
                -6.911825023486852
              ],
              [
                633999.9547890163,
                2361998.4732473087,
                -6.911825023486852
              ],
              [
                634999.9747890163,
                2361998.4732473087,
                48.42817497651315
              ],
              [
                634999.9747890163,
                2360998.4732473087,
                48.42817497651315
              ],
              [
                633999.9547890163,
                2360998.4732473087,
                -6.911825023486852
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:16:09+00:00",
        "end_time": "2013-09-20T19:44:07+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3461.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3461.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3461.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3461.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.707735,
            21.34599046,
            -6.911825023,
            -157.6980132,
            21.35509788,
            48.42817498
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7077350202041,
                  21.34606491157581,
                  -6.911825023486852
                ],
                [
                  -157.7076558479433,
                  21.355097875273017,
                  -6.911825023486852
                ],
                [
                  -157.69801316795667,
                  21.355023391157577,
                  48.42817497651315
                ],
                [
                  -157.69809293432925,
                  21.345990461660826,
                  48.42817497651315
                ],
                [
                  -157.7077350202041,
                  21.34606491157581,
                  -6.911825023486852
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3461.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3461.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:16:09Z",
            "pc:count": 5561459,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634380.2608,
                "count": 5561459,
                "maximum": 634999.9748,
                "minimum": 633999.9548,
                "name": "X",
                "position": 0,
                "stddev": 306.1414621,
                "variance": 93722.59479
              },
              {
                "average": 2361389.809,
                "count": 5561459,
                "maximum": 2361998.473,
                "minimum": 2360998.473,
                "name": "Y",
                "position": 1,
                "stddev": 269.2503562,
                "variance": 72495.75431
              },
              {
                "average": 8.86398508,
                "count": 5561459,
                "maximum": 48.42817498,
                "minimum": -6.911825023,
                "name": "Z",
                "position": 2,
                "stddev": 13.08311344,
                "variance": 171.1678573
              },
              {
                "average": 14.79180337,
                "count": 5561459,
                "maximum": 8522,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 51.98714097,
                "variance": 2702.662826
              },
              {
                "average": 1.790172687,
                "count": 5561459,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.131090352,
                "variance": 1.279365385
              },
              {
                "average": 2.572806884,
                "count": 5561459,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.665095972,
                "variance": 2.772544598
              },
              {
                "average": 1,
                "count": 5561459,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5561459,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.87459945,
                "count": 5561459,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.58813685,
                "variance": 184.6374631
              },
              {
                "average": 20.15283869,
                "count": 5561459,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.679056793,
                "variance": 2.819231714
              },
              {
                "average": 92.54014567,
                "count": 5561459,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.37153829,
                "variance": 4538.924172
              },
              {
                "average": 7.570903966,
                "count": 5561459,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.852036514,
                "variance": 3.43003925
              },
              {
                "average": 63744371.08,
                "count": 5561459,
                "maximum": 63757769.94,
                "minimum": 63741447.83,
                "name": "GpsTime",
                "position": 12,
                "stddev": 2106.3695,
                "variance": 4436792.47
              },
              {
                "average": 0,
                "count": 5561459,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5561459,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5561459,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5561459,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5561459,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9548,
              2360998.473,
              -6.911825023,
              634999.9748,
              2361998.473,
              48.42817498
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.9547890163,
                    2360998.4732473087,
                    -6.911825023486852
                  ],
                  [
                    633999.9547890163,
                    2361998.4732473087,
                    -6.911825023486852
                  ],
                  [
                    634999.9747890163,
                    2361998.4732473087,
                    48.42817497651315
                  ],
                  [
                    634999.9747890163,
                    2360998.4732473087,
                    48.42817497651315
                  ],
                  [
                    633999.9547890163,
                    2360998.4732473087,
                    -6.911825023486852
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:16:09+00:00",
            "end_time": "2013-09-20T19:44:07+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfk0602.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.97513032397177,
              21.71830378759349,
              -41.79234158544867
            ],
            [
              -157.9750856549638,
              21.724608392038984,
              -41.79234158544867
            ],
            [
              -157.96541782191696,
              21.7245482901569,
              -29.472341585448664
            ],
            [
              -157.96546291267185,
              21.71824370474385,
              -29.472341585448664
            ],
            [
              -157.97513032397177,
              21.71830378759349,
              -41.79234158544867
            ]
          ]
        ]
      },
      "bbox": [
        -157.9751303,
        21.7182437,
        -41.79234159,
        -157.9654178,
        21.72460839,
        -29.47234159
      ],
      "properties": {
        "datetime": "2013-09-23T00:23:43Z",
        "pc:count": 185315,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 606734.2266,
            "count": 185315,
            "maximum": 606999.7115,
            "minimum": 605999.7115,
            "name": "X",
            "position": 0,
            "stddev": 194.9727995,
            "variance": 38014.39254
          },
          {
            "average": 2402207.317,
            "count": 185315,
            "maximum": 2402696.415,
            "minimum": 2401998.495,
            "name": "Y",
            "position": 1,
            "stddev": 162.2459194,
            "variance": 26323.73837
          },
          {
            "average": -34.6259516,
            "count": 185315,
            "maximum": -29.47234159,
            "minimum": -41.79234159,
            "name": "Z",
            "position": 2,
            "stddev": 2.529349489,
            "variance": 6.397608838
          },
          {
            "average": 447.4143216,
            "count": 185315,
            "maximum": 4200,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 320.4865568,
            "variance": 102711.6331
          },
          {
            "average": 1.001527129,
            "count": 185315,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03904875908,
            "variance": 0.001524805586
          },
          {
            "average": 1.001548714,
            "count": 185315,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03932332869,
            "variance": 0.001546324179
          },
          {
            "average": 1,
            "count": 185315,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 185315,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 185315,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.55341544,
            "count": 185315,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.80223364,
            "variance": 60.87484977
          },
          {
            "average": 249.0681003,
            "count": 185315,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.2563353214,
            "variance": 0.06570779702
          },
          {
            "average": 6.275336589,
            "count": 185315,
            "maximum": 10,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.146039851,
            "variance": 4.605487043
          },
          {
            "average": 63883730.13,
            "count": 185315,
            "maximum": 63931023.13,
            "minimum": 63845606.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 41714.03342,
            "variance": 1740060584
          },
          {
            "average": 0,
            "count": 185315,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 185315,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 185315,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 185315,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 185315,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          605999.7115,
          2401998.495,
          -41.79234159,
          606999.7115,
          2402696.415,
          -29.47234159
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                605999.7114775875,
                2401998.4952964876,
                -41.79234158544867
              ],
              [
                605999.7114775875,
                2402696.4152964875,
                -41.79234158544867
              ],
              [
                606999.7114775875,
                2402696.4152964875,
                -29.472341585448664
              ],
              [
                606999.7114775875,
                2401998.4952964876,
                -29.472341585448664
              ],
              [
                605999.7114775875,
                2401998.4952964876,
                -41.79234158544867
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:23:43+00:00",
        "end_time": "2013-09-22T00:40:06+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfk0602.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfk0602.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfk0602.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0602.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9751303,
            21.7182437,
            -41.79234159,
            -157.9654178,
            21.72460839,
            -29.47234159
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.97513032397177,
                  21.71830378759349,
                  -41.79234158544867
                ],
                [
                  -157.9750856549638,
                  21.724608392038984,
                  -41.79234158544867
                ],
                [
                  -157.96541782191696,
                  21.7245482901569,
                  -29.472341585448664
                ],
                [
                  -157.96546291267185,
                  21.71824370474385,
                  -29.472341585448664
                ],
                [
                  -157.97513032397177,
                  21.71830378759349,
                  -41.79234158544867
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfk0602.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0602.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:23:43Z",
            "pc:count": 185315,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 606734.2266,
                "count": 185315,
                "maximum": 606999.7115,
                "minimum": 605999.7115,
                "name": "X",
                "position": 0,
                "stddev": 194.9727995,
                "variance": 38014.39254
              },
              {
                "average": 2402207.317,
                "count": 185315,
                "maximum": 2402696.415,
                "minimum": 2401998.495,
                "name": "Y",
                "position": 1,
                "stddev": 162.2459194,
                "variance": 26323.73837
              },
              {
                "average": -34.6259516,
                "count": 185315,
                "maximum": -29.47234159,
                "minimum": -41.79234159,
                "name": "Z",
                "position": 2,
                "stddev": 2.529349489,
                "variance": 6.397608838
              },
              {
                "average": 447.4143216,
                "count": 185315,
                "maximum": 4200,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 320.4865568,
                "variance": 102711.6331
              },
              {
                "average": 1.001527129,
                "count": 185315,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03904875908,
                "variance": 0.001524805586
              },
              {
                "average": 1.001548714,
                "count": 185315,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03932332869,
                "variance": 0.001546324179
              },
              {
                "average": 1,
                "count": 185315,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 185315,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 185315,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.55341544,
                "count": 185315,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.80223364,
                "variance": 60.87484977
              },
              {
                "average": 249.0681003,
                "count": 185315,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.2563353214,
                "variance": 0.06570779702
              },
              {
                "average": 6.275336589,
                "count": 185315,
                "maximum": 10,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.146039851,
                "variance": 4.605487043
              },
              {
                "average": 63883730.13,
                "count": 185315,
                "maximum": 63931023.13,
                "minimum": 63845606.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 41714.03342,
                "variance": 1740060584
              },
              {
                "average": 0,
                "count": 185315,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 185315,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 185315,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 185315,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 185315,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              605999.7115,
              2401998.495,
              -41.79234159,
              606999.7115,
              2402696.415,
              -29.47234159
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    605999.7114775875,
                    2401998.4952964876,
                    -41.79234158544867
                  ],
                  [
                    605999.7114775875,
                    2402696.4152964875,
                    -41.79234158544867
                  ],
                  [
                    606999.7114775875,
                    2402696.4152964875,
                    -29.472341585448664
                  ],
                  [
                    606999.7114775875,
                    2401998.4952964876,
                    -29.472341585448664
                  ],
                  [
                    605999.7114775875,
                    2401998.4952964876,
                    -41.79234158544867
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:23:43+00:00",
            "end_time": "2013-09-22T00:40:06+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3959.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.659688907028,
              21.32762171515226,
              -56.2374706620965
            ],
            [
              -157.65960684210017,
              21.336654525607653,
              -56.2374706620965
            ],
            [
              -157.64996556721476,
              21.336577345611847,
              113.8025293379035
            ],
            [
              -157.65004822235267,
              21.327544570918594,
              113.8025293379035
            ],
            [
              -157.659688907028,
              21.32762171515226,
              -56.2374706620965
            ]
          ]
        ]
      },
      "bbox": [
        -157.6596889,
        21.32754457,
        -56.23747066,
        -157.6499656,
        21.33665453,
        113.8025293
      ],
      "properties": {
        "datetime": "2013-09-20T19:24:54Z",
        "pc:count": 1690624,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 639346.4136,
            "count": 1690624,
            "maximum": 640000.1053,
            "minimum": 639000.0853,
            "name": "X",
            "position": 0,
            "stddev": 239.4825626,
            "variance": 57351.89777
          },
          {
            "average": 2359289.821,
            "count": 1690624,
            "maximum": 2359998.495,
            "minimum": 2358998.495,
            "name": "Y",
            "position": 1,
            "stddev": 227.1914851,
            "variance": 51615.97091
          },
          {
            "average": 10.98333246,
            "count": 1690624,
            "maximum": 113.8025293,
            "minimum": -56.23747066,
            "name": "Z",
            "position": 2,
            "stddev": 32.56702126,
            "variance": 1060.610874
          },
          {
            "average": 231.8178347,
            "count": 1690624,
            "maximum": 8241,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 512.1458212,
            "variance": 262293.3421
          },
          {
            "average": 1.030523641,
            "count": 1690624,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2162232728,
            "variance": 0.04675250368
          },
          {
            "average": 1.058719147,
            "count": 1690624,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3387772401,
            "variance": 0.1147700184
          },
          {
            "average": 1,
            "count": 1690624,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1690624,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.11242831,
            "count": 1690624,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.24098866,
            "variance": 175.3237808
          },
          {
            "average": 17.83096748,
            "count": 1690624,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.545703468,
            "variance": 42.84623389
          },
          {
            "average": 139.9567799,
            "count": 1690624,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 89.55133174,
            "variance": 8019.441017
          },
          {
            "average": 5.72823703,
            "count": 1690624,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.934403561,
            "variance": 15.47953138
          },
          {
            "average": 63662945.08,
            "count": 1690624,
            "maximum": 63740294.01,
            "minimum": 63590483.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 19064.48475,
            "variance": 363454578.8
          },
          {
            "average": 0,
            "count": 1690624,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1690624,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1690624,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1690624,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1690624,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          639000.0853,
          2358998.495,
          -56.23747066,
          640000.1053,
          2359998.495,
          113.8025293
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                639000.085282499,
                2358998.4952140963,
                -56.2374706620965
              ],
              [
                639000.085282499,
                2359998.4952140963,
                -56.2374706620965
              ],
              [
                640000.105282499,
                2359998.4952140963,
                113.8025293379035
              ],
              [
                640000.105282499,
                2358998.4952140963,
                113.8025293379035
              ],
              [
                639000.085282499,
                2358998.4952140963,
                -56.2374706620965
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:24:54+00:00",
        "end_time": "2013-09-19T01:48:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3959.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3959.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3959.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3959.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6596889,
            21.32754457,
            -56.23747066,
            -157.6499656,
            21.33665453,
            113.8025293
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.659688907028,
                  21.32762171515226,
                  -56.2374706620965
                ],
                [
                  -157.65960684210017,
                  21.336654525607653,
                  -56.2374706620965
                ],
                [
                  -157.64996556721476,
                  21.336577345611847,
                  113.8025293379035
                ],
                [
                  -157.65004822235267,
                  21.327544570918594,
                  113.8025293379035
                ],
                [
                  -157.659688907028,
                  21.32762171515226,
                  -56.2374706620965
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3959.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3959.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:24:54Z",
            "pc:count": 1690624,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 639346.4136,
                "count": 1690624,
                "maximum": 640000.1053,
                "minimum": 639000.0853,
                "name": "X",
                "position": 0,
                "stddev": 239.4825626,
                "variance": 57351.89777
              },
              {
                "average": 2359289.821,
                "count": 1690624,
                "maximum": 2359998.495,
                "minimum": 2358998.495,
                "name": "Y",
                "position": 1,
                "stddev": 227.1914851,
                "variance": 51615.97091
              },
              {
                "average": 10.98333246,
                "count": 1690624,
                "maximum": 113.8025293,
                "minimum": -56.23747066,
                "name": "Z",
                "position": 2,
                "stddev": 32.56702126,
                "variance": 1060.610874
              },
              {
                "average": 231.8178347,
                "count": 1690624,
                "maximum": 8241,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 512.1458212,
                "variance": 262293.3421
              },
              {
                "average": 1.030523641,
                "count": 1690624,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2162232728,
                "variance": 0.04675250368
              },
              {
                "average": 1.058719147,
                "count": 1690624,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3387772401,
                "variance": 0.1147700184
              },
              {
                "average": 1,
                "count": 1690624,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1690624,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.11242831,
                "count": 1690624,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.24098866,
                "variance": 175.3237808
              },
              {
                "average": 17.83096748,
                "count": 1690624,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.545703468,
                "variance": 42.84623389
              },
              {
                "average": 139.9567799,
                "count": 1690624,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 89.55133174,
                "variance": 8019.441017
              },
              {
                "average": 5.72823703,
                "count": 1690624,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.934403561,
                "variance": 15.47953138
              },
              {
                "average": 63662945.08,
                "count": 1690624,
                "maximum": 63740294.01,
                "minimum": 63590483.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 19064.48475,
                "variance": 363454578.8
              },
              {
                "average": 0,
                "count": 1690624,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1690624,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1690624,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1690624,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1690624,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              639000.0853,
              2358998.495,
              -56.23747066,
              640000.1053,
              2359998.495,
              113.8025293
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    639000.085282499,
                    2358998.4952140963,
                    -56.2374706620965
                  ],
                  [
                    639000.085282499,
                    2359998.4952140963,
                    -56.2374706620965
                  ],
                  [
                    640000.105282499,
                    2359998.4952140963,
                    113.8025293379035
                  ],
                  [
                    640000.105282499,
                    2358998.4952140963,
                    113.8025293379035
                  ],
                  [
                    639000.085282499,
                    2358998.4952140963,
                    -56.2374706620965
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:24:54+00:00",
            "end_time": "2013-09-19T01:48:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3566.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.69769379408865,
              21.391155125938315,
              -10.941507528826026
            ],
            [
              -157.69766273124802,
              21.394664580505335,
              -10.941507528826026
            ],
            [
              -157.6958685525079,
              21.39465063631905,
              9.878492471173974
            ],
            [
              -157.69589965831923,
              21.391141184225763,
              9.878492471173974
            ],
            [
              -157.69769379408865,
              21.391155125938315,
              -10.941507528826026
            ]
          ]
        ]
      },
      "bbox": [
        -157.6976938,
        21.39114118,
        -10.94150753,
        -157.6958686,
        21.39466458,
        9.878492471
      ],
      "properties": {
        "datetime": "2013-09-19T02:43:39Z",
        "pc:count": 104404,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 635084.8249,
            "count": 104404,
            "maximum": 635185.9969,
            "minimum": 634999.9769,
            "name": "X",
            "position": 0,
            "stddev": 51.3812272,
            "variance": 2640.030509
          },
          {
            "average": 2366116.258,
            "count": 104404,
            "maximum": 2366387.007,
            "minimum": 2365998.487,
            "name": "Y",
            "position": 1,
            "stddev": 102.7201258,
            "variance": 10551.42425
          },
          {
            "average": -7.21352862,
            "count": 104404,
            "maximum": 9.878492471,
            "minimum": -10.94150753,
            "name": "Z",
            "position": 2,
            "stddev": 3.255332758,
            "variance": 10.59719136
          },
          {
            "average": 11.39818398,
            "count": 104404,
            "maximum": 714,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 28.48951204,
            "variance": 811.6522963
          },
          {
            "average": 1.0149228,
            "count": 104404,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1244414271,
            "variance": 0.01548566878
          },
          {
            "average": 1.028514233,
            "count": 104404,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1735372028,
            "variance": 0.03011516075
          },
          {
            "average": 1,
            "count": 104404,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104404,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.96387112,
            "count": 104404,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.232548551,
            "variance": 52.30975855
          },
          {
            "average": 18.87941649,
            "count": 104404,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.219011733,
            "variance": 17.80006
          },
          {
            "average": 111.3095954,
            "count": 104404,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.55667615,
            "variance": 5120.357901
          },
          {
            "average": 1.939044481,
            "count": 104404,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.952806799,
            "variance": 3.813454394
          },
          {
            "average": 63592130.82,
            "count": 104404,
            "maximum": 63593819.55,
            "minimum": 63591737.18,
            "name": "GpsTime",
            "position": 12,
            "stddev": 810.9844513,
            "variance": 657695.7803
          },
          {
            "average": 0,
            "count": 104404,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104404,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104404,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104404,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 104404,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          634999.9769,
          2365998.487,
          -10.94150753,
          635185.9969,
          2366387.007,
          9.878492471
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                634999.9769430617,
                2365998.4869877286,
                -10.941507528826026
              ],
              [
                634999.9769430617,
                2366387.006987728,
                -10.941507528826026
              ],
              [
                635185.9969430617,
                2366387.006987728,
                9.878492471173974
              ],
              [
                635185.9969430617,
                2365998.4869877286,
                9.878492471173974
              ],
              [
                634999.9769430617,
                2365998.4869877286,
                -10.941507528826026
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T02:43:39+00:00",
        "end_time": "2013-09-19T02:08:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3566.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3566.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3566.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3566.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6976938,
            21.39114118,
            -10.94150753,
            -157.6958686,
            21.39466458,
            9.878492471
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.69769379408865,
                  21.391155125938315,
                  -10.941507528826026
                ],
                [
                  -157.69766273124802,
                  21.394664580505335,
                  -10.941507528826026
                ],
                [
                  -157.6958685525079,
                  21.39465063631905,
                  9.878492471173974
                ],
                [
                  -157.69589965831923,
                  21.391141184225763,
                  9.878492471173974
                ],
                [
                  -157.69769379408865,
                  21.391155125938315,
                  -10.941507528826026
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3566.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3566.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T02:43:39Z",
            "pc:count": 104404,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 635084.8249,
                "count": 104404,
                "maximum": 635185.9969,
                "minimum": 634999.9769,
                "name": "X",
                "position": 0,
                "stddev": 51.3812272,
                "variance": 2640.030509
              },
              {
                "average": 2366116.258,
                "count": 104404,
                "maximum": 2366387.007,
                "minimum": 2365998.487,
                "name": "Y",
                "position": 1,
                "stddev": 102.7201258,
                "variance": 10551.42425
              },
              {
                "average": -7.21352862,
                "count": 104404,
                "maximum": 9.878492471,
                "minimum": -10.94150753,
                "name": "Z",
                "position": 2,
                "stddev": 3.255332758,
                "variance": 10.59719136
              },
              {
                "average": 11.39818398,
                "count": 104404,
                "maximum": 714,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 28.48951204,
                "variance": 811.6522963
              },
              {
                "average": 1.0149228,
                "count": 104404,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1244414271,
                "variance": 0.01548566878
              },
              {
                "average": 1.028514233,
                "count": 104404,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1735372028,
                "variance": 0.03011516075
              },
              {
                "average": 1,
                "count": 104404,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104404,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.96387112,
                "count": 104404,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.232548551,
                "variance": 52.30975855
              },
              {
                "average": 18.87941649,
                "count": 104404,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.219011733,
                "variance": 17.80006
              },
              {
                "average": 111.3095954,
                "count": 104404,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.55667615,
                "variance": 5120.357901
              },
              {
                "average": 1.939044481,
                "count": 104404,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.952806799,
                "variance": 3.813454394
              },
              {
                "average": 63592130.82,
                "count": 104404,
                "maximum": 63593819.55,
                "minimum": 63591737.18,
                "name": "GpsTime",
                "position": 12,
                "stddev": 810.9844513,
                "variance": 657695.7803
              },
              {
                "average": 0,
                "count": 104404,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104404,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104404,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104404,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 104404,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              634999.9769,
              2365998.487,
              -10.94150753,
              635185.9969,
              2366387.007,
              9.878492471
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    634999.9769430617,
                    2365998.4869877286,
                    -10.941507528826026
                  ],
                  [
                    634999.9769430617,
                    2366387.006987728,
                    -10.941507528826026
                  ],
                  [
                    635185.9969430617,
                    2366387.006987728,
                    9.878492471173974
                  ],
                  [
                    635185.9969430617,
                    2365998.4869877286,
                    9.878492471173974
                  ],
                  [
                    634999.9769430617,
                    2365998.4869877286,
                    -10.941507528826026
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T02:43:39+00:00",
            "end_time": "2013-09-19T02:08:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3651.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.68920518417838,
              21.26092091044708,
              -60.29047534527088
            ],
            [
              -157.6891724459875,
              21.264619018138298,
              -60.29047534527088
            ],
            [
              -157.67953574840615,
              21.264543776866685,
              -32.13047534527088
            ],
            [
              -157.67956872704485,
              21.26084568351838,
              -32.13047534527088
            ],
            [
              -157.68920518417838,
              21.26092091044708,
              -60.29047534527088
            ]
          ]
        ]
      },
      "bbox": [
        -157.6892052,
        21.26084568,
        -60.29047535,
        -157.6795357,
        21.26461902,
        -32.13047535
      ],
      "properties": {
        "datetime": "2013-09-22T18:11:58Z",
        "pc:count": 520245,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636527.6771,
            "count": 520245,
            "maximum": 637000.0129,
            "minimum": 635999.9929,
            "name": "X",
            "position": 0,
            "stddev": 276.2549442,
            "variance": 76316.79419
          },
          {
            "average": 2351835.64,
            "count": 520245,
            "maximum": 2351998.482,
            "minimum": 2351589.082,
            "name": "Y",
            "position": 1,
            "stddev": 97.43270004,
            "variance": 9493.131038
          },
          {
            "average": -39.50109125,
            "count": 520245,
            "maximum": -32.13047535,
            "minimum": -60.29047535,
            "name": "Z",
            "position": 2,
            "stddev": 5.078953152,
            "variance": 25.79576512
          },
          {
            "average": 2975.555204,
            "count": 520245,
            "maximum": 8999,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1522.779608,
            "variance": 2318857.734
          },
          {
            "average": 1.007617565,
            "count": 520245,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08703407056,
            "variance": 0.007574929438
          },
          {
            "average": 1.009259099,
            "count": 520245,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.09589813291,
            "variance": 0.009196451895
          },
          {
            "average": 1,
            "count": 520245,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 520245,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 520245,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.33088902,
            "count": 520245,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.584554725,
            "variance": 91.86368928
          },
          {
            "average": 249.0367346,
            "count": 520245,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1925233295,
            "variance": 0.0370652324
          },
          {
            "average": 5.627863795,
            "count": 520245,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9614113767,
            "variance": 0.9243118353
          },
          {
            "average": 62901303.91,
            "count": 520245,
            "maximum": 63908718.13,
            "minimum": 62896950.09,
            "name": "GpsTime",
            "position": 12,
            "stddev": 61538.59359,
            "variance": 3786998500
          },
          {
            "average": 0,
            "count": 520245,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 520245,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 520245,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 520245,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 520245,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          635999.9929,
          2351589.082,
          -60.29047535,
          637000.0129,
          2351998.482,
          -32.13047535
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                635999.9928660872,
                2351589.081956728,
                -60.29047534527088
              ],
              [
                635999.9928660872,
                2351998.4819567283,
                -60.29047534527088
              ],
              [
                637000.0128660873,
                2351998.4819567283,
                -32.13047534527088
              ],
              [
                637000.0128660873,
                2351589.081956728,
                -32.13047534527088
              ],
              [
                635999.9928660872,
                2351589.081956728,
                -60.29047534527088
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:11:58+00:00",
        "end_time": "2013-09-11T01:09:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3651.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3651.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3651.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3651.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6892052,
            21.26084568,
            -60.29047535,
            -157.6795357,
            21.26461902,
            -32.13047535
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.68920518417838,
                  21.26092091044708,
                  -60.29047534527088
                ],
                [
                  -157.6891724459875,
                  21.264619018138298,
                  -60.29047534527088
                ],
                [
                  -157.67953574840615,
                  21.264543776866685,
                  -32.13047534527088
                ],
                [
                  -157.67956872704485,
                  21.26084568351838,
                  -32.13047534527088
                ],
                [
                  -157.68920518417838,
                  21.26092091044708,
                  -60.29047534527088
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3651.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3651.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:11:58Z",
            "pc:count": 520245,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636527.6771,
                "count": 520245,
                "maximum": 637000.0129,
                "minimum": 635999.9929,
                "name": "X",
                "position": 0,
                "stddev": 276.2549442,
                "variance": 76316.79419
              },
              {
                "average": 2351835.64,
                "count": 520245,
                "maximum": 2351998.482,
                "minimum": 2351589.082,
                "name": "Y",
                "position": 1,
                "stddev": 97.43270004,
                "variance": 9493.131038
              },
              {
                "average": -39.50109125,
                "count": 520245,
                "maximum": -32.13047535,
                "minimum": -60.29047535,
                "name": "Z",
                "position": 2,
                "stddev": 5.078953152,
                "variance": 25.79576512
              },
              {
                "average": 2975.555204,
                "count": 520245,
                "maximum": 8999,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1522.779608,
                "variance": 2318857.734
              },
              {
                "average": 1.007617565,
                "count": 520245,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08703407056,
                "variance": 0.007574929438
              },
              {
                "average": 1.009259099,
                "count": 520245,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.09589813291,
                "variance": 0.009196451895
              },
              {
                "average": 1,
                "count": 520245,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 520245,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 520245,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.33088902,
                "count": 520245,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.584554725,
                "variance": 91.86368928
              },
              {
                "average": 249.0367346,
                "count": 520245,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1925233295,
                "variance": 0.0370652324
              },
              {
                "average": 5.627863795,
                "count": 520245,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9614113767,
                "variance": 0.9243118353
              },
              {
                "average": 62901303.91,
                "count": 520245,
                "maximum": 63908718.13,
                "minimum": 62896950.09,
                "name": "GpsTime",
                "position": 12,
                "stddev": 61538.59359,
                "variance": 3786998500
              },
              {
                "average": 0,
                "count": 520245,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 520245,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 520245,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 520245,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 520245,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              635999.9929,
              2351589.082,
              -60.29047535,
              637000.0129,
              2351998.482,
              -32.13047535
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    635999.9928660872,
                    2351589.081956728,
                    -60.29047534527088
                  ],
                  [
                    635999.9928660872,
                    2351998.4819567283,
                    -60.29047534527088
                  ],
                  [
                    637000.0128660873,
                    2351998.4819567283,
                    -32.13047534527088
                  ],
                  [
                    637000.0128660873,
                    2351589.081956728,
                    -32.13047534527088
                  ],
                  [
                    635999.9928660872,
                    2351589.081956728,
                    -60.29047534527088
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:11:58+00:00",
            "end_time": "2013-09-11T01:09:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3960.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6596069204799,
              21.336654551166752,
              -56.452582499735755
            ],
            [
              -157.65952807334574,
              21.345329291261546,
              -56.452582499735755
            ],
            [
              -157.65036349124395,
              21.345255912015922,
              -26.172582499735753
            ],
            [
              -157.6504428781276,
              21.336581204512353,
              -26.172582499735753
            ],
            [
              -157.6596069204799,
              21.336654551166752,
              -56.452582499735755
            ]
          ]
        ]
      },
      "bbox": [
        -157.6596069,
        21.3365812,
        -56.4525825,
        -157.6503635,
        21.34532929,
        -26.1725825
      ],
      "properties": {
        "datetime": "2013-09-19T20:45:54Z",
        "pc:count": 121778,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 639187.2251,
            "count": 121778,
            "maximum": 639950.5971,
            "minimum": 639000.0771,
            "name": "X",
            "position": 0,
            "stddev": 146.3219332,
            "variance": 21410.10813
          },
          {
            "average": 2360246.85,
            "count": 121778,
            "maximum": 2360958.858,
            "minimum": 2359998.498,
            "name": "Y",
            "position": 1,
            "stddev": 181.3991536,
            "variance": 32905.65292
          },
          {
            "average": -37.87128662,
            "count": 121778,
            "maximum": -26.1725825,
            "minimum": -56.4525825,
            "name": "Z",
            "position": 2,
            "stddev": 6.330023022,
            "variance": 40.06919146
          },
          {
            "average": 817.2557523,
            "count": 121778,
            "maximum": 7135,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 506.0222125,
            "variance": 256058.4795
          },
          {
            "average": 1.000402372,
            "count": 121778,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02005524691,
            "variance": 0.0004022129285
          },
          {
            "average": 1.000459853,
            "count": 121778,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02143934432,
            "variance": 0.000459645485
          },
          {
            "average": 1,
            "count": 121778,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 121778,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 121778,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.2011934,
            "count": 121778,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.419092672,
            "variance": 88.71930677
          },
          {
            "average": 249.0101414,
            "count": 121778,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1005203116,
            "variance": 0.01010433304
          },
          {
            "average": 6.841284961,
            "count": 121778,
            "maximum": 9,
            "minimum": 5,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9245156478,
            "variance": 0.8547291831
          },
          {
            "average": 63657082.6,
            "count": 121778,
            "maximum": 63658754.46,
            "minimum": 63655964.12,
            "name": "GpsTime",
            "position": 12,
            "stddev": 648.1096401,
            "variance": 420046.1055
          },
          {
            "average": 0,
            "count": 121778,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 121778,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 121778,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 121778,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 121778,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          639000.0771,
          2359998.498,
          -56.4525825,
          639950.5971,
          2360958.858,
          -26.1725825
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                639000.0771292537,
                2359998.4979742686,
                -56.452582499735755
              ],
              [
                639000.0771292537,
                2360958.857974269,
                -56.452582499735755
              ],
              [
                639950.5971292537,
                2360958.857974269,
                -26.172582499735753
              ],
              [
                639950.5971292537,
                2359998.4979742686,
                -26.172582499735753
              ],
              [
                639000.0771292537,
                2359998.4979742686,
                -56.452582499735755
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:45:54+00:00",
        "end_time": "2013-09-19T19:59:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3960.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3960.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3960.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3960.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6596069,
            21.3365812,
            -56.4525825,
            -157.6503635,
            21.34532929,
            -26.1725825
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6596069204799,
                  21.336654551166752,
                  -56.452582499735755
                ],
                [
                  -157.65952807334574,
                  21.345329291261546,
                  -56.452582499735755
                ],
                [
                  -157.65036349124395,
                  21.345255912015922,
                  -26.172582499735753
                ],
                [
                  -157.6504428781276,
                  21.336581204512353,
                  -26.172582499735753
                ],
                [
                  -157.6596069204799,
                  21.336654551166752,
                  -56.452582499735755
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3960.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3960.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:45:54Z",
            "pc:count": 121778,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 639187.2251,
                "count": 121778,
                "maximum": 639950.5971,
                "minimum": 639000.0771,
                "name": "X",
                "position": 0,
                "stddev": 146.3219332,
                "variance": 21410.10813
              },
              {
                "average": 2360246.85,
                "count": 121778,
                "maximum": 2360958.858,
                "minimum": 2359998.498,
                "name": "Y",
                "position": 1,
                "stddev": 181.3991536,
                "variance": 32905.65292
              },
              {
                "average": -37.87128662,
                "count": 121778,
                "maximum": -26.1725825,
                "minimum": -56.4525825,
                "name": "Z",
                "position": 2,
                "stddev": 6.330023022,
                "variance": 40.06919146
              },
              {
                "average": 817.2557523,
                "count": 121778,
                "maximum": 7135,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 506.0222125,
                "variance": 256058.4795
              },
              {
                "average": 1.000402372,
                "count": 121778,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02005524691,
                "variance": 0.0004022129285
              },
              {
                "average": 1.000459853,
                "count": 121778,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02143934432,
                "variance": 0.000459645485
              },
              {
                "average": 1,
                "count": 121778,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 121778,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 121778,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.2011934,
                "count": 121778,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.419092672,
                "variance": 88.71930677
              },
              {
                "average": 249.0101414,
                "count": 121778,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1005203116,
                "variance": 0.01010433304
              },
              {
                "average": 6.841284961,
                "count": 121778,
                "maximum": 9,
                "minimum": 5,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9245156478,
                "variance": 0.8547291831
              },
              {
                "average": 63657082.6,
                "count": 121778,
                "maximum": 63658754.46,
                "minimum": 63655964.12,
                "name": "GpsTime",
                "position": 12,
                "stddev": 648.1096401,
                "variance": 420046.1055
              },
              {
                "average": 0,
                "count": 121778,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 121778,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 121778,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 121778,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 121778,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              639000.0771,
              2359998.498,
              -56.4525825,
              639950.5971,
              2360958.858,
              -26.1725825
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    639000.0771292537,
                    2359998.4979742686,
                    -56.452582499735755
                  ],
                  [
                    639000.0771292537,
                    2360958.857974269,
                    -56.452582499735755
                  ],
                  [
                    639950.5971292537,
                    2360958.857974269,
                    -26.172582499735753
                  ],
                  [
                    639950.5971292537,
                    2359998.4979742686,
                    -26.172582499735753
                  ],
                  [
                    639000.0771292537,
                    2359998.4979742686,
                    -56.452582499735755
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:45:54+00:00",
            "end_time": "2013-09-19T19:59:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj4053.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6504914911327,
              21.279009689456423,
              -46.850609847984025
            ],
            [
              -157.65046074141708,
              21.282380380992745,
              -46.850609847984025
            ],
            [
              -157.6480798872528,
              21.282361283026663,
              -28.050609847984028
            ],
            [
              -157.64811069115405,
              21.278990594804444,
              -28.050609847984028
            ],
            [
              -157.6504914911327,
              21.279009689456423,
              -46.850609847984025
            ]
          ]
        ]
      },
      "bbox": [
        -157.6504915,
        21.27899059,
        -46.85060985,
        -157.6480799,
        21.28238038,
        -28.05060985
      ],
      "properties": {
        "datetime": "2013-09-16T16:31:15Z",
        "pc:count": 22084,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 640088.9864,
            "count": 22084,
            "maximum": 640247.159,
            "minimum": 640000.119,
            "name": "X",
            "position": 0,
            "stddev": 64.99325546,
            "variance": 4224.123255
          },
          {
            "average": 2353871.566,
            "count": 22084,
            "maximum": 2353998.477,
            "minimum": 2353625.317,
            "name": "Y",
            "position": 1,
            "stddev": 70.55762231,
            "variance": 4978.378067
          },
          {
            "average": -38.17412733,
            "count": 22084,
            "maximum": -28.05060985,
            "minimum": -46.85060985,
            "name": "Z",
            "position": 2,
            "stddev": 3.497644672,
            "variance": 12.23351825
          },
          {
            "average": 3241.634079,
            "count": 22084,
            "maximum": 8998,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 2183.725051,
            "variance": 4768655.096
          },
          {
            "average": 1.049990944,
            "count": 22084,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2212308258,
            "variance": 0.0489430783
          },
          {
            "average": 1.053070096,
            "count": 22084,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2305517155,
            "variance": 0.05315409353
          },
          {
            "average": 1,
            "count": 22084,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22084,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 22084,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.1992535,
            "count": 22084,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.30914616,
            "variance": 106.2784946
          },
          {
            "average": 249.1782739,
            "count": 22084,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.4206299737,
            "variance": 0.1769295748
          },
          {
            "average": 17.06642818,
            "count": 22084,
            "maximum": 18,
            "minimum": 17,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.2490347125,
            "variance": 0.06201828805
          },
          {
            "average": 63384118.43,
            "count": 22084,
            "maximum": 63384275.34,
            "minimum": 63384105.05,
            "name": "GpsTime",
            "position": 12,
            "stddev": 41.79637512,
            "variance": 1746.936973
          },
          {
            "average": 0,
            "count": 22084,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22084,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22084,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22084,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 22084,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          640000.119,
          2353625.317,
          -46.85060985,
          640247.159,
          2353998.477,
          -28.05060985
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                640000.1189691001,
                2353625.317175593,
                -46.850609847984025
              ],
              [
                640000.1189691001,
                2353998.4771755934,
                -46.850609847984025
              ],
              [
                640247.1589691001,
                2353998.4771755934,
                -28.050609847984028
              ],
              [
                640247.1589691001,
                2353625.317175593,
                -28.050609847984028
              ],
              [
                640000.1189691001,
                2353625.317175593,
                -46.850609847984025
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-16T16:31:15+00:00",
        "end_time": "2013-09-16T16:28:25+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj4053.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj4053.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj4053.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4053.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6504915,
            21.27899059,
            -46.85060985,
            -157.6480799,
            21.28238038,
            -28.05060985
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6504914911327,
                  21.279009689456423,
                  -46.850609847984025
                ],
                [
                  -157.65046074141708,
                  21.282380380992745,
                  -46.850609847984025
                ],
                [
                  -157.6480798872528,
                  21.282361283026663,
                  -28.050609847984028
                ],
                [
                  -157.64811069115405,
                  21.278990594804444,
                  -28.050609847984028
                ],
                [
                  -157.6504914911327,
                  21.279009689456423,
                  -46.850609847984025
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj4053.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4053.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-16T16:31:15Z",
            "pc:count": 22084,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 640088.9864,
                "count": 22084,
                "maximum": 640247.159,
                "minimum": 640000.119,
                "name": "X",
                "position": 0,
                "stddev": 64.99325546,
                "variance": 4224.123255
              },
              {
                "average": 2353871.566,
                "count": 22084,
                "maximum": 2353998.477,
                "minimum": 2353625.317,
                "name": "Y",
                "position": 1,
                "stddev": 70.55762231,
                "variance": 4978.378067
              },
              {
                "average": -38.17412733,
                "count": 22084,
                "maximum": -28.05060985,
                "minimum": -46.85060985,
                "name": "Z",
                "position": 2,
                "stddev": 3.497644672,
                "variance": 12.23351825
              },
              {
                "average": 3241.634079,
                "count": 22084,
                "maximum": 8998,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 2183.725051,
                "variance": 4768655.096
              },
              {
                "average": 1.049990944,
                "count": 22084,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2212308258,
                "variance": 0.0489430783
              },
              {
                "average": 1.053070096,
                "count": 22084,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2305517155,
                "variance": 0.05315409353
              },
              {
                "average": 1,
                "count": 22084,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22084,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 22084,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.1992535,
                "count": 22084,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.30914616,
                "variance": 106.2784946
              },
              {
                "average": 249.1782739,
                "count": 22084,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.4206299737,
                "variance": 0.1769295748
              },
              {
                "average": 17.06642818,
                "count": 22084,
                "maximum": 18,
                "minimum": 17,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.2490347125,
                "variance": 0.06201828805
              },
              {
                "average": 63384118.43,
                "count": 22084,
                "maximum": 63384275.34,
                "minimum": 63384105.05,
                "name": "GpsTime",
                "position": 12,
                "stddev": 41.79637512,
                "variance": 1746.936973
              },
              {
                "average": 0,
                "count": 22084,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22084,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22084,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22084,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 22084,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              640000.119,
              2353625.317,
              -46.85060985,
              640247.159,
              2353998.477,
              -28.05060985
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    640000.1189691001,
                    2353625.317175593,
                    -46.850609847984025
                  ],
                  [
                    640000.1189691001,
                    2353998.4771755934,
                    -46.850609847984025
                  ],
                  [
                    640247.1589691001,
                    2353998.4771755934,
                    -28.050609847984028
                  ],
                  [
                    640247.1589691001,
                    2353625.317175593,
                    -28.050609847984028
                  ],
                  [
                    640000.1189691001,
                    2353625.317175593,
                    -46.850609847984025
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-16T16:31:15+00:00",
            "end_time": "2013-09-16T16:28:25+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj4054.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.65046081237392,
              21.282380636032755,
              -49.879461657043436
            ],
            [
              -157.6503783778225,
              21.291413461022383,
              -49.879461657043436
            ],
            [
              -157.640740088436,
              21.291335908725948,
              -13.279461657043438
            ],
            [
              -157.64082311096232,
              21.282303119788867,
              -13.279461657043438
            ],
            [
              -157.65046081237392,
              21.282380636032755,
              -49.879461657043436
            ]
          ]
        ]
      },
      "bbox": [
        -157.6504608,
        21.28230312,
        -49.87946166,
        -157.6407401,
        21.29141346,
        -13.27946166
      ],
      "properties": {
        "datetime": "2013-09-22T19:57:13Z",
        "pc:count": 511427,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 640296.6653,
            "count": 511427,
            "maximum": 641000.1314,
            "minimum": 640000.1114,
            "name": "X",
            "position": 0,
            "stddev": 251.8741976,
            "variance": 63440.61144
          },
          {
            "average": 2354677.815,
            "count": 511427,
            "maximum": 2354998.505,
            "minimum": 2353998.505,
            "name": "Y",
            "position": 1,
            "stddev": 208.6312323,
            "variance": 43526.99108
          },
          {
            "average": -26.46730827,
            "count": 511427,
            "maximum": -13.27946166,
            "minimum": -49.87946166,
            "name": "Z",
            "position": 2,
            "stddev": 10.27135662,
            "variance": 105.5007669
          },
          {
            "average": 1313.941346,
            "count": 511427,
            "maximum": 9000,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 2002.166594,
            "variance": 4008671.071
          },
          {
            "average": 1.042123314,
            "count": 511427,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2099331867,
            "variance": 0.04407194286
          },
          {
            "average": 1.052625301,
            "count": 511427,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2404700584,
            "variance": 0.05782584898
          },
          {
            "average": 1,
            "count": 511427,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 511427,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 511427,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 15.10926034,
            "count": 511427,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.546271588,
            "variance": 73.03875806
          },
          {
            "average": 202.5814652,
            "count": 511427,
            "maximum": 255,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 79.46843922,
            "variance": 6315.232833
          },
          {
            "average": 16.73039163,
            "count": 511427,
            "maximum": 20,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.700455009,
            "variance": 13.69336727
          },
          {
            "average": 63571095.26,
            "count": 511427,
            "maximum": 63915033.98,
            "minimum": 63383634.04,
            "name": "GpsTime",
            "position": 12,
            "stddev": 253084.5556,
            "variance": 64051792270.0
          },
          {
            "average": 0,
            "count": 511427,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 511427,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 511427,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 511427,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 511427,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          640000.1114,
          2353998.505,
          -49.87946166,
          641000.1314,
          2354998.505,
          -13.27946166
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                640000.1113656609,
                2353998.505345362,
                -49.879461657043436
              ],
              [
                640000.1113656609,
                2354998.505345362,
                -49.879461657043436
              ],
              [
                641000.1313656609,
                2354998.505345362,
                -13.279461657043438
              ],
              [
                641000.1313656609,
                2353998.505345362,
                -13.279461657043438
              ],
              [
                640000.1113656609,
                2353998.505345362,
                -49.879461657043436
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:57:13+00:00",
        "end_time": "2013-09-16T16:20:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj4054.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj4054.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj4054.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4054.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6504608,
            21.28230312,
            -49.87946166,
            -157.6407401,
            21.29141346,
            -13.27946166
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.65046081237392,
                  21.282380636032755,
                  -49.879461657043436
                ],
                [
                  -157.6503783778225,
                  21.291413461022383,
                  -49.879461657043436
                ],
                [
                  -157.640740088436,
                  21.291335908725948,
                  -13.279461657043438
                ],
                [
                  -157.64082311096232,
                  21.282303119788867,
                  -13.279461657043438
                ],
                [
                  -157.65046081237392,
                  21.282380636032755,
                  -49.879461657043436
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj4054.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4054.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:57:13Z",
            "pc:count": 511427,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 640296.6653,
                "count": 511427,
                "maximum": 641000.1314,
                "minimum": 640000.1114,
                "name": "X",
                "position": 0,
                "stddev": 251.8741976,
                "variance": 63440.61144
              },
              {
                "average": 2354677.815,
                "count": 511427,
                "maximum": 2354998.505,
                "minimum": 2353998.505,
                "name": "Y",
                "position": 1,
                "stddev": 208.6312323,
                "variance": 43526.99108
              },
              {
                "average": -26.46730827,
                "count": 511427,
                "maximum": -13.27946166,
                "minimum": -49.87946166,
                "name": "Z",
                "position": 2,
                "stddev": 10.27135662,
                "variance": 105.5007669
              },
              {
                "average": 1313.941346,
                "count": 511427,
                "maximum": 9000,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 2002.166594,
                "variance": 4008671.071
              },
              {
                "average": 1.042123314,
                "count": 511427,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2099331867,
                "variance": 0.04407194286
              },
              {
                "average": 1.052625301,
                "count": 511427,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2404700584,
                "variance": 0.05782584898
              },
              {
                "average": 1,
                "count": 511427,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 511427,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 511427,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 15.10926034,
                "count": 511427,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.546271588,
                "variance": 73.03875806
              },
              {
                "average": 202.5814652,
                "count": 511427,
                "maximum": 255,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 79.46843922,
                "variance": 6315.232833
              },
              {
                "average": 16.73039163,
                "count": 511427,
                "maximum": 20,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.700455009,
                "variance": 13.69336727
              },
              {
                "average": 63571095.26,
                "count": 511427,
                "maximum": 63915033.98,
                "minimum": 63383634.04,
                "name": "GpsTime",
                "position": 12,
                "stddev": 253084.5556,
                "variance": 64051792270.0
              },
              {
                "average": 0,
                "count": 511427,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 511427,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 511427,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 511427,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 511427,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              640000.1114,
              2353998.505,
              -49.87946166,
              641000.1314,
              2354998.505,
              -13.27946166
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    640000.1113656609,
                    2353998.505345362,
                    -49.879461657043436
                  ],
                  [
                    640000.1113656609,
                    2354998.505345362,
                    -49.879461657043436
                  ],
                  [
                    641000.1313656609,
                    2354998.505345362,
                    -13.279461657043438
                  ],
                  [
                    641000.1313656609,
                    2353998.505345362,
                    -13.279461657043438
                  ],
                  [
                    640000.1113656609,
                    2353998.505345362,
                    -49.879461657043436
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:57:13+00:00",
            "end_time": "2013-09-16T16:20:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfk0700.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9655919985819,
              21.700176795288577,
              -9.99153431052837
            ],
            [
              -157.96552745253925,
              21.709210387215432,
              -9.99153431052837
            ],
            [
              -157.95586048508497,
              21.709149766981493,
              17.548465689471627
            ],
            [
              -157.95592563492283,
              21.700116202569475,
              17.548465689471627
            ],
            [
              -157.9655919985819,
              21.700176795288577,
              -9.99153431052837
            ]
          ]
        ]
      },
      "bbox": [
        -157.965592,
        21.7001162,
        -9.991534311,
        -157.9558605,
        21.70921039,
        17.54846569
      ],
      "properties": {
        "datetime": "2013-09-23T00:45:43Z",
        "pc:count": 2945094,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 607412.9854,
            "count": 2945094,
            "maximum": 607999.7354,
            "minimum": 606999.7154,
            "name": "X",
            "position": 0,
            "stddev": 295.428894,
            "variance": 87278.23142
          },
          {
            "average": 2400380.472,
            "count": 2945094,
            "maximum": 2400998.505,
            "minimum": 2399998.485,
            "name": "Y",
            "position": 1,
            "stddev": 275.1933583,
            "variance": 75731.38446
          },
          {
            "average": 1.162377116,
            "count": 2945094,
            "maximum": 17.54846569,
            "minimum": -9.991534311,
            "name": "Z",
            "position": 2,
            "stddev": 3.591615276,
            "variance": 12.89970029
          },
          {
            "average": 26.59517625,
            "count": 2945094,
            "maximum": 8514,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 50.89260711,
            "variance": 2590.057459
          },
          {
            "average": 1.075088945,
            "count": 2945094,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3380760008,
            "variance": 0.1142953823
          },
          {
            "average": 1.13752634,
            "count": 2945094,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.5058463581,
            "variance": 0.255880538
          },
          {
            "average": 1,
            "count": 2945094,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2945094,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.4737095,
            "count": 2945094,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.77054136,
            "variance": 189.6278093
          },
          {
            "average": 20.06444351,
            "count": 2945094,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.00716127,
            "variance": 9.043018901
          },
          {
            "average": 94.48331632,
            "count": 2945094,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.72217363,
            "variance": 4586.292802
          },
          {
            "average": 7.241089419,
            "count": 2945094,
            "maximum": 15,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.003470228,
            "variance": 4.013892953
          },
          {
            "average": 63850437.04,
            "count": 2945094,
            "maximum": 63932343.66,
            "minimum": 63845397.23,
            "name": "GpsTime",
            "position": 12,
            "stddev": 14250.12326,
            "variance": 203066012.8
          },
          {
            "average": 0,
            "count": 2945094,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2945094,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2945094,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2945094,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2945094,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          606999.7154,
          2399998.485,
          -9.991534311,
          607999.7354,
          2400998.505,
          17.54846569
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                606999.7154220645,
                2399998.484586088,
                -9.99153431052837
              ],
              [
                606999.7154220645,
                2400998.5045860875,
                -9.99153431052837
              ],
              [
                607999.7354220646,
                2400998.5045860875,
                17.548465689471627
              ],
              [
                607999.7354220646,
                2399998.484586088,
                17.548465689471627
              ],
              [
                606999.7154220645,
                2399998.484586088,
                -9.99153431052837
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:45:43+00:00",
        "end_time": "2013-09-22T00:36:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfk0700.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfk0700.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfk0700.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0700.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.965592,
            21.7001162,
            -9.991534311,
            -157.9558605,
            21.70921039,
            17.54846569
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9655919985819,
                  21.700176795288577,
                  -9.99153431052837
                ],
                [
                  -157.96552745253925,
                  21.709210387215432,
                  -9.99153431052837
                ],
                [
                  -157.95586048508497,
                  21.709149766981493,
                  17.548465689471627
                ],
                [
                  -157.95592563492283,
                  21.700116202569475,
                  17.548465689471627
                ],
                [
                  -157.9655919985819,
                  21.700176795288577,
                  -9.99153431052837
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfk0700.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0700.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:45:43Z",
            "pc:count": 2945094,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 607412.9854,
                "count": 2945094,
                "maximum": 607999.7354,
                "minimum": 606999.7154,
                "name": "X",
                "position": 0,
                "stddev": 295.428894,
                "variance": 87278.23142
              },
              {
                "average": 2400380.472,
                "count": 2945094,
                "maximum": 2400998.505,
                "minimum": 2399998.485,
                "name": "Y",
                "position": 1,
                "stddev": 275.1933583,
                "variance": 75731.38446
              },
              {
                "average": 1.162377116,
                "count": 2945094,
                "maximum": 17.54846569,
                "minimum": -9.991534311,
                "name": "Z",
                "position": 2,
                "stddev": 3.591615276,
                "variance": 12.89970029
              },
              {
                "average": 26.59517625,
                "count": 2945094,
                "maximum": 8514,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 50.89260711,
                "variance": 2590.057459
              },
              {
                "average": 1.075088945,
                "count": 2945094,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3380760008,
                "variance": 0.1142953823
              },
              {
                "average": 1.13752634,
                "count": 2945094,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.5058463581,
                "variance": 0.255880538
              },
              {
                "average": 1,
                "count": 2945094,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2945094,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.4737095,
                "count": 2945094,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.77054136,
                "variance": 189.6278093
              },
              {
                "average": 20.06444351,
                "count": 2945094,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.00716127,
                "variance": 9.043018901
              },
              {
                "average": 94.48331632,
                "count": 2945094,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.72217363,
                "variance": 4586.292802
              },
              {
                "average": 7.241089419,
                "count": 2945094,
                "maximum": 15,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.003470228,
                "variance": 4.013892953
              },
              {
                "average": 63850437.04,
                "count": 2945094,
                "maximum": 63932343.66,
                "minimum": 63845397.23,
                "name": "GpsTime",
                "position": 12,
                "stddev": 14250.12326,
                "variance": 203066012.8
              },
              {
                "average": 0,
                "count": 2945094,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2945094,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2945094,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2945094,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2945094,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              606999.7154,
              2399998.485,
              -9.991534311,
              607999.7354,
              2400998.505,
              17.54846569
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    606999.7154220645,
                    2399998.484586088,
                    -9.99153431052837
                  ],
                  [
                    606999.7154220645,
                    2400998.5045860875,
                    -9.99153431052837
                  ],
                  [
                    607999.7354220646,
                    2400998.5045860875,
                    17.548465689471627
                  ],
                  [
                    607999.7354220646,
                    2399998.484586088,
                    17.548465689471627
                  ],
                  [
                    606999.7154220645,
                    2399998.484586088,
                    -9.99153431052837
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:45:43+00:00",
            "end_time": "2013-09-22T00:36:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130910_ncmp_hi_oahu_4qfj3652.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.68917242689471,
              21.26461885041756,
              -40.70633951188271
            ],
            [
              -157.68909242951355,
              21.273652017755385,
              -40.70633951188271
            ],
            [
              -157.67945514441195,
              21.27357674145658,
              68.9536604881173
            ],
            [
              -157.67953572932436,
              21.26454360914542,
              68.9536604881173
            ],
            [
              -157.68917242689471,
              21.26461885041756,
              -40.70633951188271
            ]
          ]
        ]
      },
      "bbox": [
        -157.6891724,
        21.26454361,
        -40.70633951,
        -157.6794551,
        21.27365202,
        68.95366049
      ],
      "properties": {
        "datetime": "2013-09-22T18:12:16Z",
        "pc:count": 2652744,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636376.1112,
            "count": 2652744,
            "maximum": 637000.015,
            "minimum": 635999.995,
            "name": "X",
            "position": 0,
            "stddev": 305.2626809,
            "variance": 93185.30438
          },
          {
            "average": 2352560.683,
            "count": 2652744,
            "maximum": 2352998.483,
            "minimum": 2351998.463,
            "name": "Y",
            "position": 1,
            "stddev": 291.3110543,
            "variance": 84862.13035
          },
          {
            "average": -13.77688094,
            "count": 2652744,
            "maximum": 68.95366049,
            "minimum": -40.70633951,
            "name": "Z",
            "position": 2,
            "stddev": 29.01112816,
            "variance": 841.645557
          },
          {
            "average": 1142.913774,
            "count": 2652744,
            "maximum": 5534,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1115.249329,
            "variance": 1243781.066
          },
          {
            "average": 1.039210342,
            "count": 2652744,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2496515129,
            "variance": 0.06232587788
          },
          {
            "average": 1.076460073,
            "count": 2652744,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3899325601,
            "variance": 0.1520474014
          },
          {
            "average": 1,
            "count": 2652744,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2652744,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 21.88789043,
            "count": 2652744,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.13556044,
            "variance": 147.2718273
          },
          {
            "average": 16.52389175,
            "count": 2652744,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.700963842,
            "variance": 59.30484409
          },
          {
            "average": 190.6838425,
            "count": 2652744,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 85.05213761,
            "variance": 7233.866112
          },
          {
            "average": 12.40489433,
            "count": 2652744,
            "maximum": 18,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 5.817492417,
            "variance": 33.84321802
          },
          {
            "average": 63328069.78,
            "count": 2652744,
            "maximum": 63908736.85,
            "minimum": 62897664.27,
            "name": "GpsTime",
            "position": 12,
            "stddev": 296631.7028,
            "variance": 87990367110.0
          },
          {
            "average": 0,
            "count": 2652744,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2652744,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2652744,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2652744,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2652744,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          635999.995,
          2351998.463,
          -40.70633951,
          637000.015,
          2352998.483,
          68.95366049
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                635999.9950013295,
                2351998.463406875,
                -40.70633951188271
              ],
              [
                635999.9950013295,
                2352998.4834068744,
                -40.70633951188271
              ],
              [
                637000.0150013295,
                2352998.4834068744,
                68.9536604881173
              ],
              [
                637000.0150013295,
                2351998.463406875,
                68.9536604881173
              ],
              [
                635999.9950013295,
                2351998.463406875,
                -40.70633951188271
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:12:16+00:00",
        "end_time": "2013-09-11T01:21:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130910_ncmp_hi_oahu_4qfj3652.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130910_ncmp_hi_oahu_4qfj3652.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130910_ncmp_hi_oahu_4qfj3652.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3652.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6891724,
            21.26454361,
            -40.70633951,
            -157.6794551,
            21.27365202,
            68.95366049
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.68917242689471,
                  21.26461885041756,
                  -40.70633951188271
                ],
                [
                  -157.68909242951355,
                  21.273652017755385,
                  -40.70633951188271
                ],
                [
                  -157.67945514441195,
                  21.27357674145658,
                  68.9536604881173
                ],
                [
                  -157.67953572932436,
                  21.26454360914542,
                  68.9536604881173
                ],
                [
                  -157.68917242689471,
                  21.26461885041756,
                  -40.70633951188271
                ]
              ]
            ]
          },
          "id": "20130910_ncmp_hi_oahu_4qfj3652.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130910_ncmp_hi_oahu_4qfj3652.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:12:16Z",
            "pc:count": 2652744,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636376.1112,
                "count": 2652744,
                "maximum": 637000.015,
                "minimum": 635999.995,
                "name": "X",
                "position": 0,
                "stddev": 305.2626809,
                "variance": 93185.30438
              },
              {
                "average": 2352560.683,
                "count": 2652744,
                "maximum": 2352998.483,
                "minimum": 2351998.463,
                "name": "Y",
                "position": 1,
                "stddev": 291.3110543,
                "variance": 84862.13035
              },
              {
                "average": -13.77688094,
                "count": 2652744,
                "maximum": 68.95366049,
                "minimum": -40.70633951,
                "name": "Z",
                "position": 2,
                "stddev": 29.01112816,
                "variance": 841.645557
              },
              {
                "average": 1142.913774,
                "count": 2652744,
                "maximum": 5534,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1115.249329,
                "variance": 1243781.066
              },
              {
                "average": 1.039210342,
                "count": 2652744,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2496515129,
                "variance": 0.06232587788
              },
              {
                "average": 1.076460073,
                "count": 2652744,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3899325601,
                "variance": 0.1520474014
              },
              {
                "average": 1,
                "count": 2652744,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2652744,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 21.88789043,
                "count": 2652744,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.13556044,
                "variance": 147.2718273
              },
              {
                "average": 16.52389175,
                "count": 2652744,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.700963842,
                "variance": 59.30484409
              },
              {
                "average": 190.6838425,
                "count": 2652744,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 85.05213761,
                "variance": 7233.866112
              },
              {
                "average": 12.40489433,
                "count": 2652744,
                "maximum": 18,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 5.817492417,
                "variance": 33.84321802
              },
              {
                "average": 63328069.78,
                "count": 2652744,
                "maximum": 63908736.85,
                "minimum": 62897664.27,
                "name": "GpsTime",
                "position": 12,
                "stddev": 296631.7028,
                "variance": 87990367110.0
              },
              {
                "average": 0,
                "count": 2652744,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2652744,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2652744,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2652744,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2652744,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              635999.995,
              2351998.463,
              -40.70633951,
              637000.015,
              2352998.483,
              68.95366049
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    635999.9950013295,
                    2351998.463406875,
                    -40.70633951188271
                  ],
                  [
                    635999.9950013295,
                    2352998.4834068744,
                    -40.70633951188271
                  ],
                  [
                    637000.0150013295,
                    2352998.4834068744,
                    68.9536604881173
                  ],
                  [
                    637000.0150013295,
                    2351998.463406875,
                    68.9536604881173
                  ],
                  [
                    635999.9950013295,
                    2351998.463406875,
                    -40.70633951188271
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:12:16+00:00",
            "end_time": "2013-09-11T01:21:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj4055.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6503783983777,
              21.29141331299808,
              -46.70159961225922
            ],
            [
              -157.65029591703808,
              21.300446308636896,
              -46.70159961225922
            ],
            [
              -157.64065684662856,
              21.300368718727093,
              3.31840038774078
            ],
            [
              -157.64073991623926,
              21.291335759146804,
              3.31840038774078
            ],
            [
              -157.6503783983777,
              21.29141331299808,
              -46.70159961225922
            ]
          ]
        ]
      },
      "bbox": [
        -157.6503784,
        21.29133576,
        -46.70159961,
        -157.6406568,
        21.30044631,
        3.318400388
      ],
      "properties": {
        "datetime": "2013-09-22T19:57:13Z",
        "pc:count": 1537487,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 640335.396,
            "count": 1537487,
            "maximum": 641000.1494,
            "minimum": 640000.1094,
            "name": "X",
            "position": 0,
            "stddev": 304.7339196,
            "variance": 92862.76173
          },
          {
            "average": 2355558.247,
            "count": 1537487,
            "maximum": 2355998.509,
            "minimum": 2354998.489,
            "name": "Y",
            "position": 1,
            "stddev": 260.0565824,
            "variance": 67629.42605
          },
          {
            "average": -22.36318445,
            "count": 1537487,
            "maximum": 3.318400388,
            "minimum": -46.70159961,
            "name": "Z",
            "position": 2,
            "stddev": 11.1004311,
            "variance": 123.2195707
          },
          {
            "average": 667.6295084,
            "count": 1537487,
            "maximum": 8412,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 871.8611067,
            "variance": 760141.7894
          },
          {
            "average": 1.018199178,
            "count": 1537487,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1361826331,
            "variance": 0.01854570955
          },
          {
            "average": 1.032387266,
            "count": 1537487,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1825826336,
            "variance": 0.03333641809
          },
          {
            "average": 1,
            "count": 1537487,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1537487,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.99629265,
            "count": 1537487,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.316448041,
            "variance": 0.1001393626
          },
          {
            "average": 15.50863876,
            "count": 1537487,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.332351027,
            "variance": 69.42807363
          },
          {
            "average": 179.8487252,
            "count": 1537487,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 88.64563349,
            "variance": 7858.048337
          },
          {
            "average": 7.900780299,
            "count": 1537487,
            "maximum": 20,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.155269461,
            "variance": 4.64518645
          },
          {
            "average": 63912139.82,
            "count": 1537487,
            "maximum": 63915033.99,
            "minimum": 63384924.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 18156.5645,
            "variance": 329660834.6
          },
          {
            "average": 0,
            "count": 1537487,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1537487,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1537487,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1537487,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1537487,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          640000.1094,
          2354998.489,
          -46.70159961,
          641000.1494,
          2355998.509,
          3.318400388
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                640000.1093733064,
                2354998.488940932,
                -46.70159961225922
              ],
              [
                640000.1093733064,
                2355998.5089409314,
                -46.70159961225922
              ],
              [
                641000.1493733064,
                2355998.5089409314,
                3.31840038774078
              ],
              [
                641000.1493733064,
                2354998.488940932,
                3.31840038774078
              ],
              [
                640000.1093733064,
                2354998.488940932,
                -46.70159961225922
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:57:13+00:00",
        "end_time": "2013-09-16T16:42:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj4055.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj4055.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj4055.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4055.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6503784,
            21.29133576,
            -46.70159961,
            -157.6406568,
            21.30044631,
            3.318400388
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6503783983777,
                  21.29141331299808,
                  -46.70159961225922
                ],
                [
                  -157.65029591703808,
                  21.300446308636896,
                  -46.70159961225922
                ],
                [
                  -157.64065684662856,
                  21.300368718727093,
                  3.31840038774078
                ],
                [
                  -157.64073991623926,
                  21.291335759146804,
                  3.31840038774078
                ],
                [
                  -157.6503783983777,
                  21.29141331299808,
                  -46.70159961225922
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj4055.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4055.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:57:13Z",
            "pc:count": 1537487,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 640335.396,
                "count": 1537487,
                "maximum": 641000.1494,
                "minimum": 640000.1094,
                "name": "X",
                "position": 0,
                "stddev": 304.7339196,
                "variance": 92862.76173
              },
              {
                "average": 2355558.247,
                "count": 1537487,
                "maximum": 2355998.509,
                "minimum": 2354998.489,
                "name": "Y",
                "position": 1,
                "stddev": 260.0565824,
                "variance": 67629.42605
              },
              {
                "average": -22.36318445,
                "count": 1537487,
                "maximum": 3.318400388,
                "minimum": -46.70159961,
                "name": "Z",
                "position": 2,
                "stddev": 11.1004311,
                "variance": 123.2195707
              },
              {
                "average": 667.6295084,
                "count": 1537487,
                "maximum": 8412,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 871.8611067,
                "variance": 760141.7894
              },
              {
                "average": 1.018199178,
                "count": 1537487,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1361826331,
                "variance": 0.01854570955
              },
              {
                "average": 1.032387266,
                "count": 1537487,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1825826336,
                "variance": 0.03333641809
              },
              {
                "average": 1,
                "count": 1537487,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1537487,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.99629265,
                "count": 1537487,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.316448041,
                "variance": 0.1001393626
              },
              {
                "average": 15.50863876,
                "count": 1537487,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.332351027,
                "variance": 69.42807363
              },
              {
                "average": 179.8487252,
                "count": 1537487,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 88.64563349,
                "variance": 7858.048337
              },
              {
                "average": 7.900780299,
                "count": 1537487,
                "maximum": 20,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.155269461,
                "variance": 4.64518645
              },
              {
                "average": 63912139.82,
                "count": 1537487,
                "maximum": 63915033.99,
                "minimum": 63384924.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 18156.5645,
                "variance": 329660834.6
              },
              {
                "average": 0,
                "count": 1537487,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1537487,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1537487,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1537487,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1537487,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              640000.1094,
              2354998.489,
              -46.70159961,
              641000.1494,
              2355998.509,
              3.318400388
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    640000.1093733064,
                    2354998.488940932,
                    -46.70159961225922
                  ],
                  [
                    640000.1093733064,
                    2355998.5089409314,
                    -46.70159961225922
                  ],
                  [
                    641000.1493733064,
                    2355998.5089409314,
                    3.31840038774078
                  ],
                  [
                    641000.1493733064,
                    2354998.488940932,
                    3.31840038774078
                  ],
                  [
                    640000.1093733064,
                    2354998.488940932,
                    -46.70159961225922
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:57:13+00:00",
            "end_time": "2013-09-16T16:42:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0200.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.01392383035034,
              21.700471391107154,
              -33.49988417827483
            ],
            [
              -158.0138623040037,
              21.70950493610835,
              -33.49988417827483
            ],
            [
              -158.00419516869295,
              21.709447134221435,
              6.940115821725165
            ],
            [
              -158.00425729877028,
              21.70041361543005,
              6.940115821725165
            ],
            [
              -158.01392383035034,
              21.700471391107154,
              -33.49988417827483
            ]
          ]
        ]
      },
      "bbox": [
        -158.0139238,
        21.70041362,
        -33.49988418,
        -158.0041952,
        21.70950494,
        6.940115822
      ],
      "properties": {
        "datetime": "2013-09-23T00:37:00Z",
        "pc:count": 5182248,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 602511.8651,
            "count": 5182248,
            "maximum": 602999.6863,
            "minimum": 601999.6663,
            "name": "X",
            "position": 0,
            "stddev": 280.2431212,
            "variance": 78536.20699
          },
          {
            "average": 2400479.36,
            "count": 5182248,
            "maximum": 2400998.494,
            "minimum": 2399998.494,
            "name": "Y",
            "position": 1,
            "stddev": 280.0298968,
            "variance": 78416.74309
          },
          {
            "average": -5.88130357,
            "count": 5182248,
            "maximum": 6.940115822,
            "minimum": -33.49988418,
            "name": "Z",
            "position": 2,
            "stddev": 4.077823866,
            "variance": 16.62864748
          },
          {
            "average": 13.93503804,
            "count": 5182248,
            "maximum": 8944,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 47.55437022,
            "variance": 2261.418127
          },
          {
            "average": 1.015151726,
            "count": 5182248,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1248267327,
            "variance": 0.0155817132
          },
          {
            "average": 1.023204023,
            "count": 5182248,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1551078092,
            "variance": 0.02405843247
          },
          {
            "average": 1,
            "count": 5182248,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5182248,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.87909764,
            "count": 5182248,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.828473986,
            "variance": 3.343317119
          },
          {
            "average": 19.54169744,
            "count": 5182248,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.937078358,
            "variance": 15.500586
          },
          {
            "average": 97.75562497,
            "count": 5182248,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 71.37590074,
            "variance": 5094.519207
          },
          {
            "average": 8.062872908,
            "count": 5182248,
            "maximum": 13,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.866052922,
            "variance": 3.482153506
          },
          {
            "average": 63154718.81,
            "count": 5182248,
            "maximum": 63931820.42,
            "minimum": 62796984.13,
            "name": "GpsTime",
            "position": 12,
            "stddev": 525867.6565,
            "variance": 276536792100.0
          },
          {
            "average": 0,
            "count": 5182248,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5182248,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5182248,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5182248,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5182248,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          601999.6663,
          2399998.494,
          -33.49988418,
          602999.6863,
          2400998.494,
          6.940115822
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                601999.666297366,
                2399998.494117584,
                -33.49988417827483
              ],
              [
                601999.666297366,
                2400998.494117584,
                -33.49988417827483
              ],
              [
                602999.686297366,
                2400998.494117584,
                6.940115821725165
              ],
              [
                602999.686297366,
                2399998.494117584,
                6.940115821725165
              ],
              [
                601999.666297366,
                2399998.494117584,
                -33.49988417827483
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:37:00+00:00",
        "end_time": "2013-09-09T21:23:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0200.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0200.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0200.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0200.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0139238,
            21.70041362,
            -33.49988418,
            -158.0041952,
            21.70950494,
            6.940115822
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.01392383035034,
                  21.700471391107154,
                  -33.49988417827483
                ],
                [
                  -158.0138623040037,
                  21.70950493610835,
                  -33.49988417827483
                ],
                [
                  -158.00419516869295,
                  21.709447134221435,
                  6.940115821725165
                ],
                [
                  -158.00425729877028,
                  21.70041361543005,
                  6.940115821725165
                ],
                [
                  -158.01392383035034,
                  21.700471391107154,
                  -33.49988417827483
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0200.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0200.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:37:00Z",
            "pc:count": 5182248,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 602511.8651,
                "count": 5182248,
                "maximum": 602999.6863,
                "minimum": 601999.6663,
                "name": "X",
                "position": 0,
                "stddev": 280.2431212,
                "variance": 78536.20699
              },
              {
                "average": 2400479.36,
                "count": 5182248,
                "maximum": 2400998.494,
                "minimum": 2399998.494,
                "name": "Y",
                "position": 1,
                "stddev": 280.0298968,
                "variance": 78416.74309
              },
              {
                "average": -5.88130357,
                "count": 5182248,
                "maximum": 6.940115822,
                "minimum": -33.49988418,
                "name": "Z",
                "position": 2,
                "stddev": 4.077823866,
                "variance": 16.62864748
              },
              {
                "average": 13.93503804,
                "count": 5182248,
                "maximum": 8944,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 47.55437022,
                "variance": 2261.418127
              },
              {
                "average": 1.015151726,
                "count": 5182248,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1248267327,
                "variance": 0.0155817132
              },
              {
                "average": 1.023204023,
                "count": 5182248,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1551078092,
                "variance": 0.02405843247
              },
              {
                "average": 1,
                "count": 5182248,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5182248,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.87909764,
                "count": 5182248,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.828473986,
                "variance": 3.343317119
              },
              {
                "average": 19.54169744,
                "count": 5182248,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.937078358,
                "variance": 15.500586
              },
              {
                "average": 97.75562497,
                "count": 5182248,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 71.37590074,
                "variance": 5094.519207
              },
              {
                "average": 8.062872908,
                "count": 5182248,
                "maximum": 13,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.866052922,
                "variance": 3.482153506
              },
              {
                "average": 63154718.81,
                "count": 5182248,
                "maximum": 63931820.42,
                "minimum": 62796984.13,
                "name": "GpsTime",
                "position": 12,
                "stddev": 525867.6565,
                "variance": 276536792100.0
              },
              {
                "average": 0,
                "count": 5182248,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5182248,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5182248,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5182248,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5182248,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              601999.6663,
              2399998.494,
              -33.49988418,
              602999.6863,
              2400998.494,
              6.940115822
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    601999.666297366,
                    2399998.494117584,
                    -33.49988417827483
                  ],
                  [
                    601999.666297366,
                    2400998.494117584,
                    -33.49988417827483
                  ],
                  [
                    602999.686297366,
                    2400998.494117584,
                    6.940115821725165
                  ],
                  [
                    602999.686297366,
                    2399998.494117584,
                    6.940115821725165
                  ],
                  [
                    601999.666297366,
                    2399998.494117584,
                    -33.49988417827483
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:37:00+00:00",
            "end_time": "2013-09-09T21:23:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3262.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7269416145724,
              21.355245061587876,
              -0.096004815765092
            ],
            [
              -157.7268636114875,
              21.36427826187098,
              -0.096004815765092
            ],
            [
              -157.71722002775758,
              21.364204851106898,
              81.16399518423492
            ],
            [
              -157.71729863711067,
              21.35517168365206,
              81.16399518423492
            ],
            [
              -157.7269416145724,
              21.355245061587876,
              -0.096004815765092
            ]
          ]
        ]
      },
      "bbox": [
        -157.7269416,
        21.35517168,
        -0.09600481577,
        -157.71722,
        21.36427826,
        81.16399518
      ],
      "properties": {
        "datetime": "2013-09-21T00:40:32Z",
        "pc:count": 11222028,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 632532.9286,
            "count": 11222028,
            "maximum": 632999.9281,
            "minimum": 631999.8881,
            "name": "X",
            "position": 0,
            "stddev": 281.0444812,
            "variance": 78986.00044
          },
          {
            "average": 2362553.168,
            "count": 11222028,
            "maximum": 2362998.48,
            "minimum": 2361998.46,
            "name": "Y",
            "position": 1,
            "stddev": 286.0433748,
            "variance": 81820.81228
          },
          {
            "average": 13.49303171,
            "count": 11222028,
            "maximum": 81.16399518,
            "minimum": -0.09600481577,
            "name": "Z",
            "position": 2,
            "stddev": 8.535462326,
            "variance": 72.85411711
          },
          {
            "average": 8.694834392,
            "count": 11222028,
            "maximum": 925,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 19.74992234,
            "variance": 390.0594326
          },
          {
            "average": 2.128387222,
            "count": 11222028,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.145586704,
            "variance": 1.312368896
          },
          {
            "average": 3.257265977,
            "count": 11222028,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.383690923,
            "variance": 1.91460057
          },
          {
            "average": 1,
            "count": 11222028,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11222028,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.132584324,
            "count": 11222028,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.8355067433,
            "variance": 0.6980715181
          },
          {
            "average": 20.08602246,
            "count": 11222028,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.086313591,
            "variance": 4.352704401
          },
          {
            "average": 91.17430361,
            "count": 11222028,
            "maximum": 201,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.8295717,
            "variance": 4600.850797
          },
          {
            "average": 6.349413404,
            "count": 11222028,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.718927504,
            "variance": 13.83042178
          },
          {
            "average": 63749621.15,
            "count": 11222028,
            "maximum": 63759232.3,
            "minimum": 63742974.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 6297.431236,
            "variance": 39657640.17
          },
          {
            "average": 0,
            "count": 11222028,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11222028,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11222028,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11222028,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 11222028,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          631999.8881,
          2361998.46,
          -0.09600481577,
          632999.9281,
          2362998.48,
          81.16399518
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                631999.8881293865,
                2361998.4596642004,
                -0.096004815765092
              ],
              [
                631999.8881293865,
                2362998.4796642,
                -0.096004815765092
              ],
              [
                632999.9281293865,
                2362998.4796642,
                81.16399518423492
              ],
              [
                632999.9281293865,
                2361998.4596642004,
                81.16399518423492
              ],
              [
                631999.8881293865,
                2361998.4596642004,
                -0.096004815765092
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:40:32+00:00",
        "end_time": "2013-09-20T20:09:34+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3262.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3262.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3262.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3262.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7269416,
            21.35517168,
            -0.09600481577,
            -157.71722,
            21.36427826,
            81.16399518
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7269416145724,
                  21.355245061587876,
                  -0.096004815765092
                ],
                [
                  -157.7268636114875,
                  21.36427826187098,
                  -0.096004815765092
                ],
                [
                  -157.71722002775758,
                  21.364204851106898,
                  81.16399518423492
                ],
                [
                  -157.71729863711067,
                  21.35517168365206,
                  81.16399518423492
                ],
                [
                  -157.7269416145724,
                  21.355245061587876,
                  -0.096004815765092
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3262.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3262.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:40:32Z",
            "pc:count": 11222028,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 632532.9286,
                "count": 11222028,
                "maximum": 632999.9281,
                "minimum": 631999.8881,
                "name": "X",
                "position": 0,
                "stddev": 281.0444812,
                "variance": 78986.00044
              },
              {
                "average": 2362553.168,
                "count": 11222028,
                "maximum": 2362998.48,
                "minimum": 2361998.46,
                "name": "Y",
                "position": 1,
                "stddev": 286.0433748,
                "variance": 81820.81228
              },
              {
                "average": 13.49303171,
                "count": 11222028,
                "maximum": 81.16399518,
                "minimum": -0.09600481577,
                "name": "Z",
                "position": 2,
                "stddev": 8.535462326,
                "variance": 72.85411711
              },
              {
                "average": 8.694834392,
                "count": 11222028,
                "maximum": 925,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 19.74992234,
                "variance": 390.0594326
              },
              {
                "average": 2.128387222,
                "count": 11222028,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.145586704,
                "variance": 1.312368896
              },
              {
                "average": 3.257265977,
                "count": 11222028,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.383690923,
                "variance": 1.91460057
              },
              {
                "average": 1,
                "count": 11222028,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11222028,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.132584324,
                "count": 11222028,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.8355067433,
                "variance": 0.6980715181
              },
              {
                "average": 20.08602246,
                "count": 11222028,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.086313591,
                "variance": 4.352704401
              },
              {
                "average": 91.17430361,
                "count": 11222028,
                "maximum": 201,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.8295717,
                "variance": 4600.850797
              },
              {
                "average": 6.349413404,
                "count": 11222028,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.718927504,
                "variance": 13.83042178
              },
              {
                "average": 63749621.15,
                "count": 11222028,
                "maximum": 63759232.3,
                "minimum": 63742974.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 6297.431236,
                "variance": 39657640.17
              },
              {
                "average": 0,
                "count": 11222028,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11222028,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11222028,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11222028,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 11222028,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              631999.8881,
              2361998.46,
              -0.09600481577,
              632999.9281,
              2362998.48,
              81.16399518
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    631999.8881293865,
                    2361998.4596642004,
                    -0.096004815765092
                  ],
                  [
                    631999.8881293865,
                    2362998.4796642,
                    -0.096004815765092
                  ],
                  [
                    632999.9281293865,
                    2362998.4796642,
                    81.16399518423492
                  ],
                  [
                    632999.9281293865,
                    2361998.4596642004,
                    81.16399518423492
                  ],
                  [
                    631999.8881293865,
                    2361998.4596642004,
                    -0.096004815765092
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:40:32+00:00",
            "end_time": "2013-09-20T20:09:34+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3462.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7076559055759,
              21.355097830041398,
              -8.445833293099636
            ],
            [
              -157.7075767005956,
              21.36413096367112,
              -8.445833293099636
            ],
            [
              -157.69793323241802,
              21.364056443939592,
              23.754166706900367
            ],
            [
              -157.69801303274272,
              21.35502334443423,
              23.754166706900367
            ],
            [
              -157.7076559055759,
              21.355097830041398,
              -8.445833293099636
            ]
          ]
        ]
      },
      "bbox": [
        -157.7076559,
        21.35502334,
        -8.445833293,
        -157.6979332,
        21.36413096,
        23.75416671
      ],
      "properties": {
        "datetime": "2013-09-20T20:23:49Z",
        "pc:count": 3415039,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634453.4418,
            "count": 3415039,
            "maximum": 634999.9889,
            "minimum": 633999.9489,
            "name": "X",
            "position": 0,
            "stddev": 271.3549324,
            "variance": 73633.49935
          },
          {
            "average": 2362517.032,
            "count": 3415039,
            "maximum": 2362998.488,
            "minimum": 2361998.468,
            "name": "Y",
            "position": 1,
            "stddev": 269.8623921,
            "variance": 72825.71065
          },
          {
            "average": -5.227399785,
            "count": 3415039,
            "maximum": 23.75416671,
            "minimum": -8.445833293,
            "name": "Z",
            "position": 2,
            "stddev": 1.372708581,
            "variance": 1.88432885
          },
          {
            "average": 15.09615059,
            "count": 3415039,
            "maximum": 7972,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 44.9416829,
            "variance": 2019.754862
          },
          {
            "average": 1.039140988,
            "count": 3415039,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1992875989,
            "variance": 0.03971554707
          },
          {
            "average": 1.040492949,
            "count": 3415039,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2080402793,
            "variance": 0.0432807578
          },
          {
            "average": 1,
            "count": 3415039,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3415039,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.74012742,
            "count": 3415039,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.665640195,
            "variance": 7.105637648
          },
          {
            "average": 19.92821123,
            "count": 3415039,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.061104315,
            "variance": 4.248150995
          },
          {
            "average": 99.92971471,
            "count": 3415039,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.69839194,
            "variance": 4583.072271
          },
          {
            "average": 3.371803367,
            "count": 3415039,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.373771886,
            "variance": 1.887249194
          },
          {
            "average": 63741053.84,
            "count": 3415039,
            "maximum": 63743829.85,
            "minimum": 63678884.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 5601.35928,
            "variance": 31375225.79
          },
          {
            "average": 0,
            "count": 3415039,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3415039,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3415039,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3415039,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3415039,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9489,
          2361998.468,
          -8.445833293,
          634999.9889,
          2362998.488,
          23.75416671
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.9488536087,
                2361998.4681911515,
                -8.445833293099636
              ],
              [
                633999.9488536087,
                2362998.488191151,
                -8.445833293099636
              ],
              [
                634999.9888536087,
                2362998.488191151,
                23.754166706900367
              ],
              [
                634999.9888536087,
                2361998.4681911515,
                23.754166706900367
              ],
              [
                633999.9488536087,
                2361998.4681911515,
                -8.445833293099636
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:23:49+00:00",
        "end_time": "2013-09-20T02:21:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3462.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3462.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3462.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3462.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7076559,
            21.35502334,
            -8.445833293,
            -157.6979332,
            21.36413096,
            23.75416671
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7076559055759,
                  21.355097830041398,
                  -8.445833293099636
                ],
                [
                  -157.7075767005956,
                  21.36413096367112,
                  -8.445833293099636
                ],
                [
                  -157.69793323241802,
                  21.364056443939592,
                  23.754166706900367
                ],
                [
                  -157.69801303274272,
                  21.35502334443423,
                  23.754166706900367
                ],
                [
                  -157.7076559055759,
                  21.355097830041398,
                  -8.445833293099636
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3462.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3462.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:23:49Z",
            "pc:count": 3415039,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634453.4418,
                "count": 3415039,
                "maximum": 634999.9889,
                "minimum": 633999.9489,
                "name": "X",
                "position": 0,
                "stddev": 271.3549324,
                "variance": 73633.49935
              },
              {
                "average": 2362517.032,
                "count": 3415039,
                "maximum": 2362998.488,
                "minimum": 2361998.468,
                "name": "Y",
                "position": 1,
                "stddev": 269.8623921,
                "variance": 72825.71065
              },
              {
                "average": -5.227399785,
                "count": 3415039,
                "maximum": 23.75416671,
                "minimum": -8.445833293,
                "name": "Z",
                "position": 2,
                "stddev": 1.372708581,
                "variance": 1.88432885
              },
              {
                "average": 15.09615059,
                "count": 3415039,
                "maximum": 7972,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 44.9416829,
                "variance": 2019.754862
              },
              {
                "average": 1.039140988,
                "count": 3415039,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1992875989,
                "variance": 0.03971554707
              },
              {
                "average": 1.040492949,
                "count": 3415039,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2080402793,
                "variance": 0.0432807578
              },
              {
                "average": 1,
                "count": 3415039,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3415039,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.74012742,
                "count": 3415039,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.665640195,
                "variance": 7.105637648
              },
              {
                "average": 19.92821123,
                "count": 3415039,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.061104315,
                "variance": 4.248150995
              },
              {
                "average": 99.92971471,
                "count": 3415039,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.69839194,
                "variance": 4583.072271
              },
              {
                "average": 3.371803367,
                "count": 3415039,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.373771886,
                "variance": 1.887249194
              },
              {
                "average": 63741053.84,
                "count": 3415039,
                "maximum": 63743829.85,
                "minimum": 63678884.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 5601.35928,
                "variance": 31375225.79
              },
              {
                "average": 0,
                "count": 3415039,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3415039,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3415039,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3415039,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3415039,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9489,
              2361998.468,
              -8.445833293,
              634999.9889,
              2362998.488,
              23.75416671
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.9488536087,
                    2361998.4681911515,
                    -8.445833293099636
                  ],
                  [
                    633999.9488536087,
                    2362998.488191151,
                    -8.445833293099636
                  ],
                  [
                    634999.9888536087,
                    2362998.488191151,
                    23.754166706900367
                  ],
                  [
                    634999.9888536087,
                    2361998.4681911515,
                    23.754166706900367
                  ],
                  [
                    633999.9488536087,
                    2361998.4681911515,
                    -8.445833293099636
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:23:49+00:00",
            "end_time": "2013-09-20T02:21:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj4056.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.65029590010195,
              21.30044626005666,
              -39.658564537503494
            ],
            [
              -157.65021337525917,
              21.309479065028334,
              -39.658564537503494
            ],
            [
              -157.6405739091066,
              21.309401440613335,
              150.7414354624965
            ],
            [
              -157.64065702246893,
              21.300368671703307,
              150.7414354624965
            ],
            [
              -157.65029590010195,
              21.30044626005666,
              -39.658564537503494
            ]
          ]
        ]
      },
      "bbox": [
        -157.6502959,
        21.30036867,
        -39.65856454,
        -157.6405739,
        21.30947907,
        150.7414355
      ],
      "properties": {
        "datetime": "2013-09-22T19:28:39Z",
        "pc:count": 2454653,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 640333.0795,
            "count": 2454653,
            "maximum": 641000.1312,
            "minimum": 640000.1112,
            "name": "X",
            "position": 0,
            "stddev": 296.3176043,
            "variance": 87804.12259
          },
          {
            "average": 2356540.645,
            "count": 2454653,
            "maximum": 2356998.504,
            "minimum": 2355998.504,
            "name": "Y",
            "position": 1,
            "stddev": 255.9281304,
            "variance": 65499.20795
          },
          {
            "average": -2.644510681,
            "count": 2454653,
            "maximum": 150.7414355,
            "minimum": -39.65856454,
            "name": "Z",
            "position": 2,
            "stddev": 36.62715128,
            "variance": 1341.548211
          },
          {
            "average": 513.2796281,
            "count": 2454653,
            "maximum": 5362,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 765.8010296,
            "variance": 586451.2169
          },
          {
            "average": 1.069553212,
            "count": 2454653,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3005884878,
            "variance": 0.09035343898
          },
          {
            "average": 1.137928253,
            "count": 2454653,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4502919372,
            "variance": 0.2027628287
          },
          {
            "average": 1,
            "count": 2454653,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2454653,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.62541304,
            "count": 2454653,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 12.7596397,
            "variance": 162.8084052
          },
          {
            "average": 16.43807994,
            "count": 2454653,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.867760934,
            "variance": 61.90166212
          },
          {
            "average": 158.0587541,
            "count": 2454653,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 91.48697307,
            "variance": 8369.866242
          },
          {
            "average": 5.245545093,
            "count": 2454653,
            "maximum": 12,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.878187362,
            "variance": 8.283962491
          },
          {
            "average": 63709744.11,
            "count": 2454653,
            "maximum": 63913319.8,
            "minimum": 63382000.6,
            "name": "GpsTime",
            "position": 12,
            "stddev": 185899.3573,
            "variance": 34558571050.0
          },
          {
            "average": 0,
            "count": 2454653,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2454653,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2454653,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2454653,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2454653,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          640000.1112,
          2355998.504,
          -39.65856454,
          641000.1312,
          2356998.504,
          150.7414355
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                640000.1111763036,
                2355998.5035781655,
                -39.658564537503494
              ],
              [
                640000.1111763036,
                2356998.5035781655,
                -39.658564537503494
              ],
              [
                641000.1311763036,
                2356998.5035781655,
                150.7414354624965
              ],
              [
                641000.1311763036,
                2355998.5035781655,
                150.7414354624965
              ],
              [
                640000.1111763036,
                2355998.5035781655,
                -39.658564537503494
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:28:39+00:00",
        "end_time": "2013-09-16T15:53:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj4056.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj4056.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj4056.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4056.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6502959,
            21.30036867,
            -39.65856454,
            -157.6405739,
            21.30947907,
            150.7414355
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.65029590010195,
                  21.30044626005666,
                  -39.658564537503494
                ],
                [
                  -157.65021337525917,
                  21.309479065028334,
                  -39.658564537503494
                ],
                [
                  -157.6405739091066,
                  21.309401440613335,
                  150.7414354624965
                ],
                [
                  -157.64065702246893,
                  21.300368671703307,
                  150.7414354624965
                ],
                [
                  -157.65029590010195,
                  21.30044626005666,
                  -39.658564537503494
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj4056.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4056.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:28:39Z",
            "pc:count": 2454653,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 640333.0795,
                "count": 2454653,
                "maximum": 641000.1312,
                "minimum": 640000.1112,
                "name": "X",
                "position": 0,
                "stddev": 296.3176043,
                "variance": 87804.12259
              },
              {
                "average": 2356540.645,
                "count": 2454653,
                "maximum": 2356998.504,
                "minimum": 2355998.504,
                "name": "Y",
                "position": 1,
                "stddev": 255.9281304,
                "variance": 65499.20795
              },
              {
                "average": -2.644510681,
                "count": 2454653,
                "maximum": 150.7414355,
                "minimum": -39.65856454,
                "name": "Z",
                "position": 2,
                "stddev": 36.62715128,
                "variance": 1341.548211
              },
              {
                "average": 513.2796281,
                "count": 2454653,
                "maximum": 5362,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 765.8010296,
                "variance": 586451.2169
              },
              {
                "average": 1.069553212,
                "count": 2454653,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3005884878,
                "variance": 0.09035343898
              },
              {
                "average": 1.137928253,
                "count": 2454653,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4502919372,
                "variance": 0.2027628287
              },
              {
                "average": 1,
                "count": 2454653,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2454653,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.62541304,
                "count": 2454653,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 12.7596397,
                "variance": 162.8084052
              },
              {
                "average": 16.43807994,
                "count": 2454653,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.867760934,
                "variance": 61.90166212
              },
              {
                "average": 158.0587541,
                "count": 2454653,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 91.48697307,
                "variance": 8369.866242
              },
              {
                "average": 5.245545093,
                "count": 2454653,
                "maximum": 12,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.878187362,
                "variance": 8.283962491
              },
              {
                "average": 63709744.11,
                "count": 2454653,
                "maximum": 63913319.8,
                "minimum": 63382000.6,
                "name": "GpsTime",
                "position": 12,
                "stddev": 185899.3573,
                "variance": 34558571050.0
              },
              {
                "average": 0,
                "count": 2454653,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2454653,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2454653,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2454653,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2454653,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              640000.1112,
              2355998.504,
              -39.65856454,
              641000.1312,
              2356998.504,
              150.7414355
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    640000.1111763036,
                    2355998.5035781655,
                    -39.658564537503494
                  ],
                  [
                    640000.1111763036,
                    2356998.5035781655,
                    -39.658564537503494
                  ],
                  [
                    641000.1311763036,
                    2356998.5035781655,
                    150.7414354624965
                  ],
                  [
                    641000.1311763036,
                    2355998.5035781655,
                    150.7414354624965
                  ],
                  [
                    640000.1111763036,
                    2355998.5035781655,
                    -39.658564537503494
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:28:39+00:00",
            "end_time": "2013-09-16T15:53:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfk0701.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.96552738162154,
              21.709210304783298,
              -37.367741241206765
            ],
            [
              -157.96546280301712,
              21.71824370599013,
              -37.367741241206765
            ],
            [
              -157.95579542484063,
              21.718183059450514,
              0.552258758793236
            ],
            [
              -157.9558606075081,
              21.709149685763453,
              0.552258758793236
            ],
            [
              -157.96552738162154,
              21.709210304783298,
              -37.367741241206765
            ]
          ]
        ]
      },
      "bbox": [
        -157.9655274,
        21.70914969,
        -37.36774124,
        -157.9557954,
        21.71824371,
        0.5522587588
      ],
      "properties": {
        "datetime": "2013-09-23T00:45:43Z",
        "pc:count": 4063476,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 607439.0732,
            "count": 4063476,
            "maximum": 607999.7228,
            "minimum": 606999.7228,
            "name": "X",
            "position": 0,
            "stddev": 269.6412693,
            "variance": 72706.41409
          },
          {
            "average": 2401332.422,
            "count": 4063476,
            "maximum": 2401998.496,
            "minimum": 2400998.496,
            "name": "Y",
            "position": 1,
            "stddev": 226.2949103,
            "variance": 51209.38642
          },
          {
            "average": -11.68081796,
            "count": 4063476,
            "maximum": 0.5522587588,
            "minimum": -37.36774124,
            "name": "Z",
            "position": 2,
            "stddev": 7.862554832,
            "variance": 61.81976848
          },
          {
            "average": 70.24753512,
            "count": 4063476,
            "maximum": 7800,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 153.948718,
            "variance": 23700.20777
          },
          {
            "average": 1.016782676,
            "count": 4063476,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1321467366,
            "variance": 0.01746275999
          },
          {
            "average": 1.025132916,
            "count": 4063476,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1623356877,
            "variance": 0.02635287549
          },
          {
            "average": 1,
            "count": 4063476,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4063476,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 4063476,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 17.89878818,
            "count": 4063476,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 6.486520419,
            "variance": 42.07494714
          },
          {
            "average": 123.0880852,
            "count": 4063476,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 83.13174303,
            "variance": 6910.8867
          },
          {
            "average": 8.412053375,
            "count": 4063476,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.94647316,
            "variance": 24.46759673
          },
          {
            "average": 63884404.12,
            "count": 4063476,
            "maximum": 63932343.43,
            "minimum": 63844483.15,
            "name": "GpsTime",
            "position": 12,
            "stddev": 42525.98196,
            "variance": 1808459142
          },
          {
            "average": 0,
            "count": 4063476,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4063476,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4063476,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4063476,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4063476,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          606999.7228,
          2400998.496,
          -37.36774124,
          607999.7228,
          2401998.496,
          0.5522587588
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                606999.7228189005,
                2400998.495510238,
                -37.367741241206765
              ],
              [
                606999.7228189005,
                2401998.495510238,
                -37.367741241206765
              ],
              [
                607999.7228189005,
                2401998.495510238,
                0.552258758793236
              ],
              [
                607999.7228189005,
                2400998.495510238,
                0.552258758793236
              ],
              [
                606999.7228189005,
                2400998.495510238,
                -37.367741241206765
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:45:43+00:00",
        "end_time": "2013-09-22T00:21:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfk0701.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfk0701.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfk0701.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0701.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9655274,
            21.70914969,
            -37.36774124,
            -157.9557954,
            21.71824371,
            0.5522587588
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.96552738162154,
                  21.709210304783298,
                  -37.367741241206765
                ],
                [
                  -157.96546280301712,
                  21.71824370599013,
                  -37.367741241206765
                ],
                [
                  -157.95579542484063,
                  21.718183059450514,
                  0.552258758793236
                ],
                [
                  -157.9558606075081,
                  21.709149685763453,
                  0.552258758793236
                ],
                [
                  -157.96552738162154,
                  21.709210304783298,
                  -37.367741241206765
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfk0701.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0701.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:45:43Z",
            "pc:count": 4063476,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 607439.0732,
                "count": 4063476,
                "maximum": 607999.7228,
                "minimum": 606999.7228,
                "name": "X",
                "position": 0,
                "stddev": 269.6412693,
                "variance": 72706.41409
              },
              {
                "average": 2401332.422,
                "count": 4063476,
                "maximum": 2401998.496,
                "minimum": 2400998.496,
                "name": "Y",
                "position": 1,
                "stddev": 226.2949103,
                "variance": 51209.38642
              },
              {
                "average": -11.68081796,
                "count": 4063476,
                "maximum": 0.5522587588,
                "minimum": -37.36774124,
                "name": "Z",
                "position": 2,
                "stddev": 7.862554832,
                "variance": 61.81976848
              },
              {
                "average": 70.24753512,
                "count": 4063476,
                "maximum": 7800,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 153.948718,
                "variance": 23700.20777
              },
              {
                "average": 1.016782676,
                "count": 4063476,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1321467366,
                "variance": 0.01746275999
              },
              {
                "average": 1.025132916,
                "count": 4063476,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1623356877,
                "variance": 0.02635287549
              },
              {
                "average": 1,
                "count": 4063476,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4063476,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 4063476,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 17.89878818,
                "count": 4063476,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 6.486520419,
                "variance": 42.07494714
              },
              {
                "average": 123.0880852,
                "count": 4063476,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 83.13174303,
                "variance": 6910.8867
              },
              {
                "average": 8.412053375,
                "count": 4063476,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.94647316,
                "variance": 24.46759673
              },
              {
                "average": 63884404.12,
                "count": 4063476,
                "maximum": 63932343.43,
                "minimum": 63844483.15,
                "name": "GpsTime",
                "position": 12,
                "stddev": 42525.98196,
                "variance": 1808459142
              },
              {
                "average": 0,
                "count": 4063476,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4063476,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4063476,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4063476,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4063476,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              606999.7228,
              2400998.496,
              -37.36774124,
              607999.7228,
              2401998.496,
              0.5522587588
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    606999.7228189005,
                    2400998.495510238,
                    -37.367741241206765
                  ],
                  [
                    606999.7228189005,
                    2401998.495510238,
                    -37.367741241206765
                  ],
                  [
                    607999.7228189005,
                    2401998.495510238,
                    0.552258758793236
                  ],
                  [
                    607999.7228189005,
                    2400998.495510238,
                    0.552258758793236
                  ],
                  [
                    606999.7228189005,
                    2400998.495510238,
                    -37.367741241206765
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:45:43+00:00",
            "end_time": "2013-09-22T00:21:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0201.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.01386220683528,
              21.70950487970517,
              -37.825722000116926
            ],
            [
              -158.0138006481875,
              21.718538414672622,
              -37.825722000116926
            ],
            [
              -158.0041331022362,
              21.718480587715618,
              -8.545722000116925
            ],
            [
              -158.00419526486712,
              21.70944707897439,
              -8.545722000116925
            ],
            [
              -158.01386220683528,
              21.70950487970517,
              -37.825722000116926
            ]
          ]
        ]
      },
      "bbox": [
        -158.0138622,
        21.70944708,
        -37.825722,
        -158.0041331,
        21.71853841,
        -8.545722
      ],
      "properties": {
        "datetime": "2013-09-23T00:14:06Z",
        "pc:count": 979064,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 602682.6111,
            "count": 979064,
            "maximum": 602999.6764,
            "minimum": 601999.6764,
            "name": "X",
            "position": 0,
            "stddev": 233.355248,
            "variance": 54454.67176
          },
          {
            "average": 2401254.226,
            "count": 979064,
            "maximum": 2401998.488,
            "minimum": 2400998.488,
            "name": "Y",
            "position": 1,
            "stddev": 208.7287928,
            "variance": 43567.70894
          },
          {
            "average": -19.06764378,
            "count": 979064,
            "maximum": -8.545722,
            "minimum": -37.825722,
            "name": "Z",
            "position": 2,
            "stddev": 8.14292655,
            "variance": 66.30725279
          },
          {
            "average": 308.0750942,
            "count": 979064,
            "maximum": 6081,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 381.6240867,
            "variance": 145636.9435
          },
          {
            "average": 1.00812,
            "count": 979064,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.09370859127,
            "variance": 0.008781300077
          },
          {
            "average": 1.012632473,
            "count": 979064,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1232385793,
            "variance": 0.01518774744
          },
          {
            "average": 1,
            "count": 979064,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 979064,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 979064,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.82876136,
            "count": 979064,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.187299603,
            "variance": 84.406474
          },
          {
            "average": 166.820359,
            "count": 979064,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 91.66710816,
            "variance": 8402.858718
          },
          {
            "average": 5.177170236,
            "count": 979064,
            "maximum": 8,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.2988848,
            "variance": 1.687101722
          },
          {
            "average": 62812710.14,
            "count": 979064,
            "maximum": 63930446.32,
            "minimum": 62796984.61,
            "name": "GpsTime",
            "position": 12,
            "stddev": 129479.4985,
            "variance": 16764940540.0
          },
          {
            "average": 0,
            "count": 979064,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 979064,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 979064,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 979064,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 979064,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          601999.6764,
          2400998.488,
          -37.825722,
          602999.6764,
          2401998.488,
          -8.545722
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                601999.6763883049,
                2400998.487938084,
                -37.825722000116926
              ],
              [
                601999.6763883049,
                2401998.487938084,
                -37.825722000116926
              ],
              [
                602999.6763883049,
                2401998.487938084,
                -8.545722000116925
              ],
              [
                602999.6763883049,
                2400998.487938084,
                -8.545722000116925
              ],
              [
                601999.6763883049,
                2400998.487938084,
                -37.825722000116926
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:14:06+00:00",
        "end_time": "2013-09-09T21:23:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0201.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0201.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0201.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0201.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0138622,
            21.70944708,
            -37.825722,
            -158.0041331,
            21.71853841,
            -8.545722
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.01386220683528,
                  21.70950487970517,
                  -37.825722000116926
                ],
                [
                  -158.0138006481875,
                  21.718538414672622,
                  -37.825722000116926
                ],
                [
                  -158.0041331022362,
                  21.718480587715618,
                  -8.545722000116925
                ],
                [
                  -158.00419526486712,
                  21.70944707897439,
                  -8.545722000116925
                ],
                [
                  -158.01386220683528,
                  21.70950487970517,
                  -37.825722000116926
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0201.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0201.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:14:06Z",
            "pc:count": 979064,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 602682.6111,
                "count": 979064,
                "maximum": 602999.6764,
                "minimum": 601999.6764,
                "name": "X",
                "position": 0,
                "stddev": 233.355248,
                "variance": 54454.67176
              },
              {
                "average": 2401254.226,
                "count": 979064,
                "maximum": 2401998.488,
                "minimum": 2400998.488,
                "name": "Y",
                "position": 1,
                "stddev": 208.7287928,
                "variance": 43567.70894
              },
              {
                "average": -19.06764378,
                "count": 979064,
                "maximum": -8.545722,
                "minimum": -37.825722,
                "name": "Z",
                "position": 2,
                "stddev": 8.14292655,
                "variance": 66.30725279
              },
              {
                "average": 308.0750942,
                "count": 979064,
                "maximum": 6081,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 381.6240867,
                "variance": 145636.9435
              },
              {
                "average": 1.00812,
                "count": 979064,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.09370859127,
                "variance": 0.008781300077
              },
              {
                "average": 1.012632473,
                "count": 979064,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1232385793,
                "variance": 0.01518774744
              },
              {
                "average": 1,
                "count": 979064,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 979064,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 979064,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.82876136,
                "count": 979064,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.187299603,
                "variance": 84.406474
              },
              {
                "average": 166.820359,
                "count": 979064,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 91.66710816,
                "variance": 8402.858718
              },
              {
                "average": 5.177170236,
                "count": 979064,
                "maximum": 8,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.2988848,
                "variance": 1.687101722
              },
              {
                "average": 62812710.14,
                "count": 979064,
                "maximum": 63930446.32,
                "minimum": 62796984.61,
                "name": "GpsTime",
                "position": 12,
                "stddev": 129479.4985,
                "variance": 16764940540.0
              },
              {
                "average": 0,
                "count": 979064,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 979064,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 979064,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 979064,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 979064,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              601999.6764,
              2400998.488,
              -37.825722,
              602999.6764,
              2401998.488,
              -8.545722
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    601999.6763883049,
                    2400998.487938084,
                    -37.825722000116926
                  ],
                  [
                    601999.6763883049,
                    2401998.487938084,
                    -37.825722000116926
                  ],
                  [
                    602999.6763883049,
                    2401998.487938084,
                    -8.545722000116925
                  ],
                  [
                    602999.6763883049,
                    2400998.487938084,
                    -8.545722000116925
                  ],
                  [
                    601999.6763883049,
                    2400998.487938084,
                    -37.825722000116926
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:14:06+00:00",
            "end_time": "2013-09-09T21:23:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130920_ncmp_hi_oahu_4qfj3362.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.7172987146575,
              21.35517171930462,
              -4.898536698348128
            ],
            [
              -157.7172201053091,
              21.364204886759687,
              -4.898536698348128
            ],
            [
              -157.70757659294165,
              21.36413092087372,
              47.36146330165187
            ],
            [
              -157.70765579792845,
              21.355097787244326,
              47.36146330165187
            ],
            [
              -157.7172987146575,
              21.35517171930462,
              -4.898536698348128
            ]
          ]
        ]
      },
      "bbox": [
        -157.7172987,
        21.35509779,
        -4.898536698,
        -157.7075766,
        21.36420489,
        47.3614633
      ],
      "properties": {
        "datetime": "2013-09-21T00:15:48Z",
        "pc:count": 9572616,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633489.5202,
            "count": 9572616,
            "maximum": 633999.9601,
            "minimum": 632999.9201,
            "name": "X",
            "position": 0,
            "stddev": 268.9653257,
            "variance": 72342.34643
          },
          {
            "average": 2362460.629,
            "count": 9572616,
            "maximum": 2362998.484,
            "minimum": 2361998.464,
            "name": "Y",
            "position": 1,
            "stddev": 283.3982073,
            "variance": 80314.54388
          },
          {
            "average": 11.76394972,
            "count": 9572616,
            "maximum": 47.3614633,
            "minimum": -4.898536698,
            "name": "Z",
            "position": 2,
            "stddev": 9.214221514,
            "variance": 84.90187811
          },
          {
            "average": 12.8506635,
            "count": 9572616,
            "maximum": 7608,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 34.94596537,
            "variance": 1221.220495
          },
          {
            "average": 2.119682436,
            "count": 9572616,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.202803575,
            "variance": 1.44673644
          },
          {
            "average": 3.23939924,
            "count": 9572616,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.589747862,
            "variance": 2.527298264
          },
          {
            "average": 1,
            "count": 9572616,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9572616,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.953135486,
            "count": 9572616,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 4.71504708,
            "variance": 22.23166897
          },
          {
            "average": 20.08454923,
            "count": 9572616,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.852962088,
            "variance": 3.433468501
          },
          {
            "average": 91.36341424,
            "count": 9572616,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.53518377,
            "variance": 4561.001047
          },
          {
            "average": 6.961377747,
            "count": 9572616,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.352069055,
            "variance": 1.828090729
          },
          {
            "average": 63743710.55,
            "count": 9572616,
            "maximum": 63757748.04,
            "minimum": 63741426.19,
            "name": "GpsTime",
            "position": 12,
            "stddev": 1013.014744,
            "variance": 1026198.871
          },
          {
            "average": 0,
            "count": 9572616,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9572616,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9572616,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9572616,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 9572616,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9201,
          2361998.464,
          -4.898536698,
          633999.9601,
          2362998.484,
          47.3614633
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9200556045,
                2361998.463545296,
                -4.898536698348128
              ],
              [
                632999.9200556045,
                2362998.4835452954,
                -4.898536698348128
              ],
              [
                633999.9600556046,
                2362998.4835452954,
                47.36146330165187
              ],
              [
                633999.9600556046,
                2361998.463545296,
                47.36146330165187
              ],
              [
                632999.9200556045,
                2361998.463545296,
                -4.898536698348128
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:15:48+00:00",
        "end_time": "2013-09-20T19:43:46+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130920_ncmp_hi_oahu_4qfj3362.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130920_ncmp_hi_oahu_4qfj3362.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130920_ncmp_hi_oahu_4qfj3362.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3362.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7172987,
            21.35509779,
            -4.898536698,
            -157.7075766,
            21.36420489,
            47.3614633
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.7172987146575,
                  21.35517171930462,
                  -4.898536698348128
                ],
                [
                  -157.7172201053091,
                  21.364204886759687,
                  -4.898536698348128
                ],
                [
                  -157.70757659294165,
                  21.36413092087372,
                  47.36146330165187
                ],
                [
                  -157.70765579792845,
                  21.355097787244326,
                  47.36146330165187
                ],
                [
                  -157.7172987146575,
                  21.35517171930462,
                  -4.898536698348128
                ]
              ]
            ]
          },
          "id": "20130920_ncmp_hi_oahu_4qfj3362.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130920_ncmp_hi_oahu_4qfj3362.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:15:48Z",
            "pc:count": 9572616,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633489.5202,
                "count": 9572616,
                "maximum": 633999.9601,
                "minimum": 632999.9201,
                "name": "X",
                "position": 0,
                "stddev": 268.9653257,
                "variance": 72342.34643
              },
              {
                "average": 2362460.629,
                "count": 9572616,
                "maximum": 2362998.484,
                "minimum": 2361998.464,
                "name": "Y",
                "position": 1,
                "stddev": 283.3982073,
                "variance": 80314.54388
              },
              {
                "average": 11.76394972,
                "count": 9572616,
                "maximum": 47.3614633,
                "minimum": -4.898536698,
                "name": "Z",
                "position": 2,
                "stddev": 9.214221514,
                "variance": 84.90187811
              },
              {
                "average": 12.8506635,
                "count": 9572616,
                "maximum": 7608,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 34.94596537,
                "variance": 1221.220495
              },
              {
                "average": 2.119682436,
                "count": 9572616,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.202803575,
                "variance": 1.44673644
              },
              {
                "average": 3.23939924,
                "count": 9572616,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.589747862,
                "variance": 2.527298264
              },
              {
                "average": 1,
                "count": 9572616,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9572616,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.953135486,
                "count": 9572616,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 4.71504708,
                "variance": 22.23166897
              },
              {
                "average": 20.08454923,
                "count": 9572616,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.852962088,
                "variance": 3.433468501
              },
              {
                "average": 91.36341424,
                "count": 9572616,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.53518377,
                "variance": 4561.001047
              },
              {
                "average": 6.961377747,
                "count": 9572616,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.352069055,
                "variance": 1.828090729
              },
              {
                "average": 63743710.55,
                "count": 9572616,
                "maximum": 63757748.04,
                "minimum": 63741426.19,
                "name": "GpsTime",
                "position": 12,
                "stddev": 1013.014744,
                "variance": 1026198.871
              },
              {
                "average": 0,
                "count": 9572616,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9572616,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9572616,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9572616,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 9572616,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9201,
              2361998.464,
              -4.898536698,
              633999.9601,
              2362998.484,
              47.3614633
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9200556045,
                    2361998.463545296,
                    -4.898536698348128
                  ],
                  [
                    632999.9200556045,
                    2362998.4835452954,
                    -4.898536698348128
                  ],
                  [
                    633999.9600556046,
                    2362998.4835452954,
                    47.36146330165187
                  ],
                  [
                    633999.9600556046,
                    2361998.463545296,
                    47.36146330165187
                  ],
                  [
                    632999.9200556045,
                    2361998.463545296,
                    -4.898536698348128
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:15:48+00:00",
            "end_time": "2013-09-20T19:43:46+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0202.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.00468529264597,
              21.71848407480563,
              -39.20523178908923
            ],
            [
              -158.0046815713805,
              21.719025001080183,
              -39.20523178908923
            ],
            [
              -158.00413013337982,
              21.719021687376713,
              -35.78523178908923
            ],
            [
              -158.00413385670873,
              21.71848076119219,
              -35.78523178908923
            ],
            [
              -158.00468529264597,
              21.71848407480563,
              -39.20523178908923
            ]
          ]
        ]
      },
      "bbox": [
        -158.0046853,
        21.71848076,
        -39.20523179,
        -158.0041301,
        21.719025,
        -35.78523179
      ],
      "properties": {
        "datetime": "2013-09-09T21:26:27Z",
        "pc:count": 1612,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 602973.0052,
            "count": 1612,
            "maximum": 602999.5982,
            "minimum": 602942.5582,
            "name": "X",
            "position": 0,
            "stddev": 14.28043785,
            "variance": 203.9309053
          },
          {
            "average": 2402017.582,
            "count": 1612,
            "maximum": 2402058.387,
            "minimum": 2401998.507,
            "name": "Y",
            "position": 1,
            "stddev": 12.81467696,
            "variance": 164.2159457
          },
          {
            "average": -36.9023968,
            "count": 1612,
            "maximum": -35.78523179,
            "minimum": -39.20523179,
            "name": "Z",
            "position": 2,
            "stddev": 0.4817779147,
            "variance": 0.2321099591
          },
          {
            "average": 731.264268,
            "count": 1612,
            "maximum": 1160,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 176.9777371,
            "variance": 31321.11944
          },
          {
            "average": 1.000620347,
            "count": 1612,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02490677407,
            "variance": 0.0006203473945
          },
          {
            "average": 1.000620347,
            "count": 1612,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02490677407,
            "variance": 0.0006203473945
          },
          {
            "average": 1,
            "count": 1612,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1612,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1612,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.69614645,
            "count": 1612,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.630966283,
            "variance": 92.75551154
          },
          {
            "average": 249.0254342,
            "count": 1612,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1574888211,
            "variance": 0.02480272876
          },
          {
            "average": 4,
            "count": 1612,
            "maximum": 4,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62797185.98,
            "count": 1612,
            "maximum": 62797187.43,
            "minimum": 62797184.31,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.798451807,
            "variance": 0.6375252881
          },
          {
            "average": 0,
            "count": 1612,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1612,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1612,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1612,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1612,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          602942.5582,
          2401998.507,
          -39.20523179,
          602999.5982,
          2402058.387,
          -35.78523179
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                602942.5582261083,
                2401998.5066389837,
                -39.20523178908923
              ],
              [
                602942.5582261083,
                2402058.3866389836,
                -39.20523178908923
              ],
              [
                602999.5982261084,
                2402058.3866389836,
                -35.78523178908923
              ],
              [
                602999.5982261084,
                2401998.5066389837,
                -35.78523178908923
              ],
              [
                602942.5582261083,
                2401998.5066389837,
                -39.20523178908923
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:26:27+00:00",
        "end_time": "2013-09-09T21:26:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0202.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0202.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0202.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0202.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0046853,
            21.71848076,
            -39.20523179,
            -158.0041301,
            21.719025,
            -35.78523179
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.00468529264597,
                  21.71848407480563,
                  -39.20523178908923
                ],
                [
                  -158.0046815713805,
                  21.719025001080183,
                  -39.20523178908923
                ],
                [
                  -158.00413013337982,
                  21.719021687376713,
                  -35.78523178908923
                ],
                [
                  -158.00413385670873,
                  21.71848076119219,
                  -35.78523178908923
                ],
                [
                  -158.00468529264597,
                  21.71848407480563,
                  -39.20523178908923
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0202.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0202.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:26:27Z",
            "pc:count": 1612,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 602973.0052,
                "count": 1612,
                "maximum": 602999.5982,
                "minimum": 602942.5582,
                "name": "X",
                "position": 0,
                "stddev": 14.28043785,
                "variance": 203.9309053
              },
              {
                "average": 2402017.582,
                "count": 1612,
                "maximum": 2402058.387,
                "minimum": 2401998.507,
                "name": "Y",
                "position": 1,
                "stddev": 12.81467696,
                "variance": 164.2159457
              },
              {
                "average": -36.9023968,
                "count": 1612,
                "maximum": -35.78523179,
                "minimum": -39.20523179,
                "name": "Z",
                "position": 2,
                "stddev": 0.4817779147,
                "variance": 0.2321099591
              },
              {
                "average": 731.264268,
                "count": 1612,
                "maximum": 1160,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 176.9777371,
                "variance": 31321.11944
              },
              {
                "average": 1.000620347,
                "count": 1612,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02490677407,
                "variance": 0.0006203473945
              },
              {
                "average": 1.000620347,
                "count": 1612,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02490677407,
                "variance": 0.0006203473945
              },
              {
                "average": 1,
                "count": 1612,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1612,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1612,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.69614645,
                "count": 1612,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.630966283,
                "variance": 92.75551154
              },
              {
                "average": 249.0254342,
                "count": 1612,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1574888211,
                "variance": 0.02480272876
              },
              {
                "average": 4,
                "count": 1612,
                "maximum": 4,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62797185.98,
                "count": 1612,
                "maximum": 62797187.43,
                "minimum": 62797184.31,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.798451807,
                "variance": 0.6375252881
              },
              {
                "average": 0,
                "count": 1612,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1612,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1612,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1612,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1612,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              602942.5582,
              2401998.507,
              -39.20523179,
              602999.5982,
              2402058.387,
              -35.78523179
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    602942.5582261083,
                    2401998.5066389837,
                    -39.20523178908923
                  ],
                  [
                    602942.5582261083,
                    2402058.3866389836,
                    -39.20523178908923
                  ],
                  [
                    602999.5982261084,
                    2402058.3866389836,
                    -35.78523178908923
                  ],
                  [
                    602999.5982261084,
                    2401998.5066389837,
                    -35.78523178908923
                  ],
                  [
                    602942.5582261083,
                    2401998.5066389837,
                    -39.20523178908923
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:26:27+00:00",
            "end_time": "2013-09-09T21:26:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj4057.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.65021334002859,
              21.309478936226533,
              -45.074241052036626
            ],
            [
              -157.65013076836954,
              21.31851191183981,
              -45.074241052036626
            ],
            [
              -157.6404907134228,
              21.318434251356287,
              150.3457589479634
            ],
            [
              -157.6405738738846,
              21.309401311809964,
              150.3457589479634
            ],
            [
              -157.65021334002859,
              21.309478936226533,
              -45.074241052036626
            ]
          ]
        ]
      },
      "bbox": [
        -157.6502133,
        21.30940131,
        -45.07424105,
        -157.6404907,
        21.31851191,
        150.3457589
      ],
      "properties": {
        "datetime": "2013-09-22T18:17:16Z",
        "pc:count": 1106304,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 640452.6244,
            "count": 1106304,
            "maximum": 641000.135,
            "minimum": 640000.115,
            "name": "X",
            "position": 0,
            "stddev": 309.324511,
            "variance": 95681.65309
          },
          {
            "average": 2357486.968,
            "count": 1106304,
            "maximum": 2357998.509,
            "minimum": 2356998.489,
            "name": "Y",
            "position": 1,
            "stddev": 317.9391506,
            "variance": 101085.3035
          },
          {
            "average": -23.00375263,
            "count": 1106304,
            "maximum": 150.3457589,
            "minimum": -45.07424105,
            "name": "Z",
            "position": 2,
            "stddev": 32.89325005,
            "variance": 1081.965899
          },
          {
            "average": 1633.037715,
            "count": 1106304,
            "maximum": 8449,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1056.718974,
            "variance": 1116654.99
          },
          {
            "average": 1.040822414,
            "count": 1106304,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2577378468,
            "variance": 0.06642879766
          },
          {
            "average": 1.08085933,
            "count": 1106304,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4017556657,
            "variance": 0.161407615
          },
          {
            "average": 1,
            "count": 1106304,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1106304,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 25.2788004,
            "count": 1106304,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.460851884,
            "variance": 89.50771838
          },
          {
            "average": 13.05933295,
            "count": 1106304,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.509549032,
            "variance": 90.4315228
          },
          {
            "average": 223.0060191,
            "count": 1106304,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.01520301,
            "variance": 4097.946216
          },
          {
            "average": 3.055748691,
            "count": 1106304,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.169198516,
            "variance": 4.705422203
          },
          {
            "average": 63633615.18,
            "count": 1106304,
            "maximum": 63909036.52,
            "minimum": 63382184.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 40262.66023,
            "variance": 1621081809
          },
          {
            "average": 0,
            "count": 1106304,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1106304,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1106304,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1106304,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1106304,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          640000.115,
          2356998.489,
          -45.07424105,
          641000.135,
          2357998.509,
          150.3457589
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                640000.1149530266,
                2356998.4893511618,
                -45.074241052036626
              ],
              [
                640000.1149530266,
                2357998.5093511613,
                -45.074241052036626
              ],
              [
                641000.1349530267,
                2357998.5093511613,
                150.3457589479634
              ],
              [
                641000.1349530267,
                2356998.4893511618,
                150.3457589479634
              ],
              [
                640000.1149530266,
                2356998.4893511618,
                -45.074241052036626
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:17:16+00:00",
        "end_time": "2013-09-16T15:56:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj4057.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj4057.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj4057.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4057.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6502133,
            21.30940131,
            -45.07424105,
            -157.6404907,
            21.31851191,
            150.3457589
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.65021334002859,
                  21.309478936226533,
                  -45.074241052036626
                ],
                [
                  -157.65013076836954,
                  21.31851191183981,
                  -45.074241052036626
                ],
                [
                  -157.6404907134228,
                  21.318434251356287,
                  150.3457589479634
                ],
                [
                  -157.6405738738846,
                  21.309401311809964,
                  150.3457589479634
                ],
                [
                  -157.65021334002859,
                  21.309478936226533,
                  -45.074241052036626
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj4057.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4057.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:17:16Z",
            "pc:count": 1106304,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 640452.6244,
                "count": 1106304,
                "maximum": 641000.135,
                "minimum": 640000.115,
                "name": "X",
                "position": 0,
                "stddev": 309.324511,
                "variance": 95681.65309
              },
              {
                "average": 2357486.968,
                "count": 1106304,
                "maximum": 2357998.509,
                "minimum": 2356998.489,
                "name": "Y",
                "position": 1,
                "stddev": 317.9391506,
                "variance": 101085.3035
              },
              {
                "average": -23.00375263,
                "count": 1106304,
                "maximum": 150.3457589,
                "minimum": -45.07424105,
                "name": "Z",
                "position": 2,
                "stddev": 32.89325005,
                "variance": 1081.965899
              },
              {
                "average": 1633.037715,
                "count": 1106304,
                "maximum": 8449,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1056.718974,
                "variance": 1116654.99
              },
              {
                "average": 1.040822414,
                "count": 1106304,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2577378468,
                "variance": 0.06642879766
              },
              {
                "average": 1.08085933,
                "count": 1106304,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4017556657,
                "variance": 0.161407615
              },
              {
                "average": 1,
                "count": 1106304,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1106304,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 25.2788004,
                "count": 1106304,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.460851884,
                "variance": 89.50771838
              },
              {
                "average": 13.05933295,
                "count": 1106304,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.509549032,
                "variance": 90.4315228
              },
              {
                "average": 223.0060191,
                "count": 1106304,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.01520301,
                "variance": 4097.946216
              },
              {
                "average": 3.055748691,
                "count": 1106304,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.169198516,
                "variance": 4.705422203
              },
              {
                "average": 63633615.18,
                "count": 1106304,
                "maximum": 63909036.52,
                "minimum": 63382184.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 40262.66023,
                "variance": 1621081809
              },
              {
                "average": 0,
                "count": 1106304,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1106304,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1106304,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1106304,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1106304,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              640000.115,
              2356998.489,
              -45.07424105,
              641000.135,
              2357998.509,
              150.3457589
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    640000.1149530266,
                    2356998.4893511618,
                    -45.074241052036626
                  ],
                  [
                    640000.1149530266,
                    2357998.5093511613,
                    -45.074241052036626
                  ],
                  [
                    641000.1349530267,
                    2357998.5093511613,
                    150.3457589479634
                  ],
                  [
                    641000.1349530267,
                    2356998.4893511618,
                    150.3457589479634
                  ],
                  [
                    640000.1149530266,
                    2356998.4893511618,
                    -45.074241052036626
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:17:16+00:00",
            "end_time": "2013-09-16T15:56:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfk0702.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.96546272197781,
              21.718243680851245,
              -41.56870156584609
            ],
            [
              -157.9654181882306,
              21.724470398448993,
              -41.56870156584609
            ],
            [
              -157.9557544539721,
              21.7244097585297,
              -31.468701565846093
            ],
            [
              -157.9557994040949,
              21.718183059896877,
              -31.468701565846093
            ],
            [
              -157.96546272197781,
              21.718243680851245,
              -41.56870156584609
            ]
          ]
        ]
      },
      "bbox": [
        -157.9654627,
        21.71818306,
        -41.56870157,
        -157.9557545,
        21.7244704,
        -31.46870157
      ],
      "properties": {
        "datetime": "2013-09-23T00:33:00Z",
        "pc:count": 211062,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 607340.3192,
            "count": 211062,
            "maximum": 607999.3112,
            "minimum": 606999.7312,
            "name": "X",
            "position": 0,
            "stddev": 243.775879,
            "variance": 59426.67916
          },
          {
            "average": 2402163.609,
            "count": 211062,
            "maximum": 2402687.793,
            "minimum": 2401998.493,
            "name": "Y",
            "position": 1,
            "stddev": 136.1378225,
            "variance": 18533.50673
          },
          {
            "average": -35.96054903,
            "count": 211062,
            "maximum": -31.46870157,
            "minimum": -41.56870157,
            "name": "Z",
            "position": 2,
            "stddev": 1.496837154,
            "variance": 2.240521467
          },
          {
            "average": 574.4905336,
            "count": 211062,
            "maximum": 3512,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 232.8753859,
            "variance": 54230.94534
          },
          {
            "average": 1.001165534,
            "count": 211062,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03412010175,
            "variance": 0.001164181344
          },
          {
            "average": 1.001184486,
            "count": 211062,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03439605607,
            "variance": 0.001183088673
          },
          {
            "average": 1,
            "count": 211062,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 211062,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 211062,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.07637139,
            "count": 211062,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.427444046,
            "variance": 71.02181316
          },
          {
            "average": 249.0496537,
            "count": 211062,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.2188586057,
            "variance": 0.04789908928
          },
          {
            "average": 5.644005079,
            "count": 211062,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.756670997,
            "variance": 14.11257698
          },
          {
            "average": 63881560.99,
            "count": 211062,
            "maximum": 63931580.58,
            "minimum": 63844482.05,
            "name": "GpsTime",
            "position": 12,
            "stddev": 42224.61021,
            "variance": 1782917707
          },
          {
            "average": 0,
            "count": 211062,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 211062,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 211062,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 211062,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 211062,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          606999.7312,
          2401998.493,
          -41.56870157,
          607999.3112,
          2402687.793,
          -31.46870157
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                606999.7312198649,
                2401998.492783494,
                -41.56870156584609
              ],
              [
                606999.7312198649,
                2402687.7927834936,
                -41.56870156584609
              ],
              [
                607999.311219865,
                2402687.7927834936,
                -31.468701565846093
              ],
              [
                607999.311219865,
                2401998.492783494,
                -31.468701565846093
              ],
              [
                606999.7312198649,
                2401998.492783494,
                -41.56870156584609
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:33:00+00:00",
        "end_time": "2013-09-22T00:21:22+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfk0702.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfk0702.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfk0702.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0702.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9654627,
            21.71818306,
            -41.56870157,
            -157.9557545,
            21.7244704,
            -31.46870157
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.96546272197781,
                  21.718243680851245,
                  -41.56870156584609
                ],
                [
                  -157.9654181882306,
                  21.724470398448993,
                  -41.56870156584609
                ],
                [
                  -157.9557544539721,
                  21.7244097585297,
                  -31.468701565846093
                ],
                [
                  -157.9557994040949,
                  21.718183059896877,
                  -31.468701565846093
                ],
                [
                  -157.96546272197781,
                  21.718243680851245,
                  -41.56870156584609
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfk0702.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0702.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:33:00Z",
            "pc:count": 211062,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 607340.3192,
                "count": 211062,
                "maximum": 607999.3112,
                "minimum": 606999.7312,
                "name": "X",
                "position": 0,
                "stddev": 243.775879,
                "variance": 59426.67916
              },
              {
                "average": 2402163.609,
                "count": 211062,
                "maximum": 2402687.793,
                "minimum": 2401998.493,
                "name": "Y",
                "position": 1,
                "stddev": 136.1378225,
                "variance": 18533.50673
              },
              {
                "average": -35.96054903,
                "count": 211062,
                "maximum": -31.46870157,
                "minimum": -41.56870157,
                "name": "Z",
                "position": 2,
                "stddev": 1.496837154,
                "variance": 2.240521467
              },
              {
                "average": 574.4905336,
                "count": 211062,
                "maximum": 3512,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 232.8753859,
                "variance": 54230.94534
              },
              {
                "average": 1.001165534,
                "count": 211062,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03412010175,
                "variance": 0.001164181344
              },
              {
                "average": 1.001184486,
                "count": 211062,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03439605607,
                "variance": 0.001183088673
              },
              {
                "average": 1,
                "count": 211062,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 211062,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 211062,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.07637139,
                "count": 211062,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.427444046,
                "variance": 71.02181316
              },
              {
                "average": 249.0496537,
                "count": 211062,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.2188586057,
                "variance": 0.04789908928
              },
              {
                "average": 5.644005079,
                "count": 211062,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.756670997,
                "variance": 14.11257698
              },
              {
                "average": 63881560.99,
                "count": 211062,
                "maximum": 63931580.58,
                "minimum": 63844482.05,
                "name": "GpsTime",
                "position": 12,
                "stddev": 42224.61021,
                "variance": 1782917707
              },
              {
                "average": 0,
                "count": 211062,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 211062,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 211062,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 211062,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 211062,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              606999.7312,
              2401998.493,
              -41.56870157,
              607999.3112,
              2402687.793,
              -31.46870157
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    606999.7312198649,
                    2401998.492783494,
                    -41.56870156584609
                  ],
                  [
                    606999.7312198649,
                    2402687.7927834936,
                    -41.56870156584609
                  ],
                  [
                    607999.311219865,
                    2402687.7927834936,
                    -31.468701565846093
                  ],
                  [
                    607999.311219865,
                    2401998.492783494,
                    -31.468701565846093
                  ],
                  [
                    606999.7312198649,
                    2401998.492783494,
                    -41.56870156584609
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:33:00+00:00",
            "end_time": "2013-09-22T00:21:22+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj4058.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.65013083281426,
              21.318511748258256,
              -50.5839047949
            ],
            [
              -157.65004819075259,
              21.32754471494137,
              -50.5839047949
            ],
            [
              -157.64040735679646,
              21.32746701664186,
              -28.183904794899995
            ],
            [
              -157.64049058508112,
              21.3184340862203,
              -28.183904794899995
            ],
            [
              -157.65013083281426,
              21.318511748258256,
              -50.5839047949
            ]
          ]
        ]
      },
      "bbox": [
        -157.6501308,
        21.31843409,
        -50.58390479,
        -157.6404074,
        21.32754471,
        -28.18390479
      ],
      "properties": {
        "datetime": "2013-09-20T02:26:33Z",
        "pc:count": 1059185,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 640461.2132,
            "count": 1059185,
            "maximum": 641000.1484,
            "minimum": 640000.1084,
            "name": "X",
            "position": 0,
            "stddev": 279.8828508,
            "variance": 78334.41019
          },
          {
            "average": 2358420.745,
            "count": 1059185,
            "maximum": 2358998.511,
            "minimum": 2357998.491,
            "name": "Y",
            "position": 1,
            "stddev": 278.5184855,
            "variance": 77572.54674
          },
          {
            "average": -38.27894873,
            "count": 1059185,
            "maximum": -28.18390479,
            "minimum": -50.58390479,
            "name": "Z",
            "position": 2,
            "stddev": 4.233086836,
            "variance": 17.91902416
          },
          {
            "average": 2302.910652,
            "count": 1059185,
            "maximum": 8428,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 871.2175162,
            "variance": 759019.9606
          },
          {
            "average": 1.00035499,
            "count": 1059185,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0189378122,
            "variance": 0.0003586407308
          },
          {
            "average": 1.000404084,
            "count": 1059185,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02019152945,
            "variance": 0.0004076978617
          },
          {
            "average": 1,
            "count": 1059185,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1059185,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1059185,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.60467376,
            "count": 1059185,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.72811838,
            "variance": 94.63628721
          },
          {
            "average": 249.0067533,
            "count": 1059185,
            "maximum": 252,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.08226863726,
            "variance": 0.006768128677
          },
          {
            "average": 5.763731548,
            "count": 1059185,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.545360258,
            "variance": 12.56957936
          },
          {
            "average": 63641809.68,
            "count": 1059185,
            "maximum": 63679193.87,
            "minimum": 63590453.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 32373.45316,
            "variance": 1048040470
          },
          {
            "average": 0,
            "count": 1059185,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1059185,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1059185,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1059185,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1059185,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          640000.1084,
          2357998.491,
          -50.58390479,
          641000.1484,
          2358998.511,
          -28.18390479
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                640000.1084234499,
                2357998.491185475,
                -50.5839047949
              ],
              [
                640000.1084234499,
                2358998.5111854747,
                -50.5839047949
              ],
              [
                641000.14842345,
                2358998.5111854747,
                -28.183904794899995
              ],
              [
                641000.14842345,
                2357998.491185475,
                -28.183904794899995
              ],
              [
                640000.1084234499,
                2357998.491185475,
                -50.5839047949
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:26:33+00:00",
        "end_time": "2013-09-19T01:47:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj4058.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj4058.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj4058.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj4058.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6501308,
            21.31843409,
            -50.58390479,
            -157.6404074,
            21.32754471,
            -28.18390479
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.65013083281426,
                  21.318511748258256,
                  -50.5839047949
                ],
                [
                  -157.65004819075259,
                  21.32754471494137,
                  -50.5839047949
                ],
                [
                  -157.64040735679646,
                  21.32746701664186,
                  -28.183904794899995
                ],
                [
                  -157.64049058508112,
                  21.3184340862203,
                  -28.183904794899995
                ],
                [
                  -157.65013083281426,
                  21.318511748258256,
                  -50.5839047949
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj4058.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj4058.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:26:33Z",
            "pc:count": 1059185,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 640461.2132,
                "count": 1059185,
                "maximum": 641000.1484,
                "minimum": 640000.1084,
                "name": "X",
                "position": 0,
                "stddev": 279.8828508,
                "variance": 78334.41019
              },
              {
                "average": 2358420.745,
                "count": 1059185,
                "maximum": 2358998.511,
                "minimum": 2357998.491,
                "name": "Y",
                "position": 1,
                "stddev": 278.5184855,
                "variance": 77572.54674
              },
              {
                "average": -38.27894873,
                "count": 1059185,
                "maximum": -28.18390479,
                "minimum": -50.58390479,
                "name": "Z",
                "position": 2,
                "stddev": 4.233086836,
                "variance": 17.91902416
              },
              {
                "average": 2302.910652,
                "count": 1059185,
                "maximum": 8428,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 871.2175162,
                "variance": 759019.9606
              },
              {
                "average": 1.00035499,
                "count": 1059185,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0189378122,
                "variance": 0.0003586407308
              },
              {
                "average": 1.000404084,
                "count": 1059185,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02019152945,
                "variance": 0.0004076978617
              },
              {
                "average": 1,
                "count": 1059185,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1059185,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1059185,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.60467376,
                "count": 1059185,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.72811838,
                "variance": 94.63628721
              },
              {
                "average": 249.0067533,
                "count": 1059185,
                "maximum": 252,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.08226863726,
                "variance": 0.006768128677
              },
              {
                "average": 5.763731548,
                "count": 1059185,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.545360258,
                "variance": 12.56957936
              },
              {
                "average": 63641809.68,
                "count": 1059185,
                "maximum": 63679193.87,
                "minimum": 63590453.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 32373.45316,
                "variance": 1048040470
              },
              {
                "average": 0,
                "count": 1059185,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1059185,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1059185,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1059185,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1059185,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              640000.1084,
              2357998.491,
              -50.58390479,
              641000.1484,
              2358998.511,
              -28.18390479
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    640000.1084234499,
                    2357998.491185475,
                    -50.5839047949
                  ],
                  [
                    640000.1084234499,
                    2358998.5111854747,
                    -50.5839047949
                  ],
                  [
                    641000.14842345,
                    2358998.5111854747,
                    -28.183904794899995
                  ],
                  [
                    641000.14842345,
                    2357998.491185475,
                    -28.183904794899995
                  ],
                  [
                    640000.1084234499,
                    2357998.491185475,
                    -50.5839047949
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:26:33+00:00",
            "end_time": "2013-09-19T01:47:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3463.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70757668879256,
              21.364130824452552,
              -6.844181272395678
            ],
            [
              -157.7074974526383,
              21.373163947353884,
              -6.844181272395678
            ],
            [
              -157.697853387916,
              21.373089393575157,
              1.755818727604321
            ],
            [
              -157.6979332206242,
              21.36405630472081,
              1.755818727604321
            ],
            [
              -157.70757668879256,
              21.364130824452552,
              -6.844181272395678
            ]
          ]
        ]
      },
      "bbox": [
        -157.7075767,
        21.3640563,
        -6.844181272,
        -157.6978534,
        21.37316395,
        1.755818728
      ],
      "properties": {
        "datetime": "2013-09-20T19:43:52Z",
        "pc:count": 4219713,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634507.9889,
            "count": 4219713,
            "maximum": 634999.9902,
            "minimum": 633999.9502,
            "name": "X",
            "position": 0,
            "stddev": 287.9758832,
            "variance": 82930.10929
          },
          {
            "average": 2363499.541,
            "count": 4219713,
            "maximum": 2363998.493,
            "minimum": 2362998.473,
            "name": "Y",
            "position": 1,
            "stddev": 282.8545771,
            "variance": 80006.71177
          },
          {
            "average": -3.149040579,
            "count": 4219713,
            "maximum": 1.755818728,
            "minimum": -6.844181272,
            "name": "Z",
            "position": 2,
            "stddev": 0.7750559223,
            "variance": 0.6007116827
          },
          {
            "average": 17.26256241,
            "count": 4219713,
            "maximum": 8493,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 43.75617044,
            "variance": 1914.602452
          },
          {
            "average": 1.011022077,
            "count": 4219713,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1065671071,
            "variance": 0.01135654832
          },
          {
            "average": 1.012606782,
            "count": 4219713,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1140238828,
            "variance": 0.01300144584
          },
          {
            "average": 1,
            "count": 4219713,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4219713,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.99520299,
            "count": 4219713,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3627576051,
            "variance": 0.13159308
          },
          {
            "average": 20.11549132,
            "count": 4219713,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.131175514,
            "variance": 4.541909073
          },
          {
            "average": 90.18726274,
            "count": 4219713,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.64273106,
            "variance": 4711.824528
          },
          {
            "average": 3.606601444,
            "count": 4219713,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.551690905,
            "variance": 12.61450829
          },
          {
            "average": 63690656.44,
            "count": 4219713,
            "maximum": 63741432.36,
            "minimum": 63657277.32,
            "name": "GpsTime",
            "position": 12,
            "stddev": 31830.64343,
            "variance": 1013189861
          },
          {
            "average": 0,
            "count": 4219713,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4219713,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4219713,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4219713,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4219713,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9502,
          2362998.473,
          -6.844181272,
          634999.9902,
          2363998.493,
          1.755818728
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.9502041197,
                2362998.472789943,
                -6.844181272395678
              ],
              [
                633999.9502041197,
                2363998.492789943,
                -6.844181272395678
              ],
              [
                634999.9902041197,
                2363998.492789943,
                1.755818727604321
              ],
              [
                634999.9902041197,
                2362998.472789943,
                1.755818727604321
              ],
              [
                633999.9502041197,
                2362998.472789943,
                -6.844181272395678
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:43:52+00:00",
        "end_time": "2013-09-19T20:21:17+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3463.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3463.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3463.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3463.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7075767,
            21.3640563,
            -6.844181272,
            -157.6978534,
            21.37316395,
            1.755818728
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70757668879256,
                  21.364130824452552,
                  -6.844181272395678
                ],
                [
                  -157.7074974526383,
                  21.373163947353884,
                  -6.844181272395678
                ],
                [
                  -157.697853387916,
                  21.373089393575157,
                  1.755818727604321
                ],
                [
                  -157.6979332206242,
                  21.36405630472081,
                  1.755818727604321
                ],
                [
                  -157.70757668879256,
                  21.364130824452552,
                  -6.844181272395678
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3463.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3463.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:43:52Z",
            "pc:count": 4219713,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634507.9889,
                "count": 4219713,
                "maximum": 634999.9902,
                "minimum": 633999.9502,
                "name": "X",
                "position": 0,
                "stddev": 287.9758832,
                "variance": 82930.10929
              },
              {
                "average": 2363499.541,
                "count": 4219713,
                "maximum": 2363998.493,
                "minimum": 2362998.473,
                "name": "Y",
                "position": 1,
                "stddev": 282.8545771,
                "variance": 80006.71177
              },
              {
                "average": -3.149040579,
                "count": 4219713,
                "maximum": 1.755818728,
                "minimum": -6.844181272,
                "name": "Z",
                "position": 2,
                "stddev": 0.7750559223,
                "variance": 0.6007116827
              },
              {
                "average": 17.26256241,
                "count": 4219713,
                "maximum": 8493,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 43.75617044,
                "variance": 1914.602452
              },
              {
                "average": 1.011022077,
                "count": 4219713,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1065671071,
                "variance": 0.01135654832
              },
              {
                "average": 1.012606782,
                "count": 4219713,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1140238828,
                "variance": 0.01300144584
              },
              {
                "average": 1,
                "count": 4219713,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4219713,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.99520299,
                "count": 4219713,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3627576051,
                "variance": 0.13159308
              },
              {
                "average": 20.11549132,
                "count": 4219713,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.131175514,
                "variance": 4.541909073
              },
              {
                "average": 90.18726274,
                "count": 4219713,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.64273106,
                "variance": 4711.824528
              },
              {
                "average": 3.606601444,
                "count": 4219713,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.551690905,
                "variance": 12.61450829
              },
              {
                "average": 63690656.44,
                "count": 4219713,
                "maximum": 63741432.36,
                "minimum": 63657277.32,
                "name": "GpsTime",
                "position": 12,
                "stddev": 31830.64343,
                "variance": 1013189861
              },
              {
                "average": 0,
                "count": 4219713,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4219713,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4219713,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4219713,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4219713,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9502,
              2362998.473,
              -6.844181272,
              634999.9902,
              2363998.493,
              1.755818728
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.9502041197,
                    2362998.472789943,
                    -6.844181272395678
                  ],
                  [
                    633999.9502041197,
                    2363998.492789943,
                    -6.844181272395678
                  ],
                  [
                    634999.9902041197,
                    2363998.492789943,
                    1.755818727604321
                  ],
                  [
                    634999.9902041197,
                    2362998.472789943,
                    1.755818727604321
                  ],
                  [
                    633999.9502041197,
                    2362998.472789943,
                    -6.844181272395678
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:43:52+00:00",
            "end_time": "2013-09-19T20:21:17+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj4059.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.65004815196616,
              21.32754462014396,
              -58.74962070365028
            ],
            [
              -157.64997520418825,
              21.335516766966634,
              -58.74962070365028
            ],
            [
              -157.64033423521724,
              21.33543903997936,
              -28.989620703650274
            ],
            [
              -157.64040770363346,
              21.327466924961406,
              -28.989620703650274
            ],
            [
              -157.65004815196616,
              21.32754462014396,
              -58.74962070365028
            ]
          ]
        ]
      },
      "bbox": [
        -157.6500482,
        21.32746692,
        -58.7496207,
        -157.6403342,
        21.33551677,
        -28.9896207
      ],
      "properties": {
        "datetime": "2013-09-19T20:46:18Z",
        "pc:count": 169377,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 640271.7951,
            "count": 169377,
            "maximum": 641000.1125,
            "minimum": 640000.1125,
            "name": "X",
            "position": 0,
            "stddev": 223.7742049,
            "variance": 50074.89477
          },
          {
            "average": 2359215.893,
            "count": 169377,
            "maximum": 2359881.081,
            "minimum": 2358998.501,
            "name": "Y",
            "position": 1,
            "stddev": 168.9733194,
            "variance": 28551.98268
          },
          {
            "average": -42.29540159,
            "count": 169377,
            "maximum": -28.9896207,
            "minimum": -58.7496207,
            "name": "Z",
            "position": 2,
            "stddev": 5.664933855,
            "variance": 32.09147558
          },
          {
            "average": 1891.359435,
            "count": 169377,
            "maximum": 8861,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1099.210309,
            "variance": 1208263.304
          },
          {
            "average": 1.006636084,
            "count": 169377,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.08198764445,
            "variance": 0.006721973843
          },
          {
            "average": 1.007498066,
            "count": 169377,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08701596355,
            "variance": 0.007571777912
          },
          {
            "average": 1,
            "count": 169377,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 169377,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 169377,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 11.83933826,
            "count": 169377,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.506295983,
            "variance": 90.36966332
          },
          {
            "average": 249.023368,
            "count": 169377,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1539729365,
            "variance": 0.02370766517
          },
          {
            "average": 6.842564221,
            "count": 169377,
            "maximum": 9,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.9967765729,
            "variance": 0.9935635362
          },
          {
            "average": 63657098.97,
            "count": 169377,
            "maximum": 63658778.51,
            "minimum": 63654923.66,
            "name": "GpsTime",
            "position": 12,
            "stddev": 713.0901004,
            "variance": 508497.4913
          },
          {
            "average": 0,
            "count": 169377,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 169377,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 169377,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 169377,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 169377,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          640000.1125,
          2358998.501,
          -58.7496207,
          641000.1125,
          2359881.081,
          -28.9896207
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                640000.1125364003,
                2358998.500725905,
                -58.74962070365028
              ],
              [
                640000.1125364003,
                2359881.080725905,
                -58.74962070365028
              ],
              [
                641000.1125364003,
                2359881.080725905,
                -28.989620703650274
              ],
              [
                641000.1125364003,
                2358998.500725905,
                -28.989620703650274
              ],
              [
                640000.1125364003,
                2358998.500725905,
                -58.74962070365028
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:46:18+00:00",
        "end_time": "2013-09-19T19:42:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj4059.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj4059.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj4059.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4059.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6500482,
            21.32746692,
            -58.7496207,
            -157.6403342,
            21.33551677,
            -28.9896207
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.65004815196616,
                  21.32754462014396,
                  -58.74962070365028
                ],
                [
                  -157.64997520418825,
                  21.335516766966634,
                  -58.74962070365028
                ],
                [
                  -157.64033423521724,
                  21.33543903997936,
                  -28.989620703650274
                ],
                [
                  -157.64040770363346,
                  21.327466924961406,
                  -28.989620703650274
                ],
                [
                  -157.65004815196616,
                  21.32754462014396,
                  -58.74962070365028
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj4059.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4059.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:46:18Z",
            "pc:count": 169377,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 640271.7951,
                "count": 169377,
                "maximum": 641000.1125,
                "minimum": 640000.1125,
                "name": "X",
                "position": 0,
                "stddev": 223.7742049,
                "variance": 50074.89477
              },
              {
                "average": 2359215.893,
                "count": 169377,
                "maximum": 2359881.081,
                "minimum": 2358998.501,
                "name": "Y",
                "position": 1,
                "stddev": 168.9733194,
                "variance": 28551.98268
              },
              {
                "average": -42.29540159,
                "count": 169377,
                "maximum": -28.9896207,
                "minimum": -58.7496207,
                "name": "Z",
                "position": 2,
                "stddev": 5.664933855,
                "variance": 32.09147558
              },
              {
                "average": 1891.359435,
                "count": 169377,
                "maximum": 8861,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1099.210309,
                "variance": 1208263.304
              },
              {
                "average": 1.006636084,
                "count": 169377,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.08198764445,
                "variance": 0.006721973843
              },
              {
                "average": 1.007498066,
                "count": 169377,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08701596355,
                "variance": 0.007571777912
              },
              {
                "average": 1,
                "count": 169377,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 169377,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 169377,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 11.83933826,
                "count": 169377,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.506295983,
                "variance": 90.36966332
              },
              {
                "average": 249.023368,
                "count": 169377,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1539729365,
                "variance": 0.02370766517
              },
              {
                "average": 6.842564221,
                "count": 169377,
                "maximum": 9,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.9967765729,
                "variance": 0.9935635362
              },
              {
                "average": 63657098.97,
                "count": 169377,
                "maximum": 63658778.51,
                "minimum": 63654923.66,
                "name": "GpsTime",
                "position": 12,
                "stddev": 713.0901004,
                "variance": 508497.4913
              },
              {
                "average": 0,
                "count": 169377,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 169377,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 169377,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 169377,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 169377,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              640000.1125,
              2358998.501,
              -58.7496207,
              641000.1125,
              2359881.081,
              -28.9896207
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    640000.1125364003,
                    2358998.500725905,
                    -58.74962070365028
                  ],
                  [
                    640000.1125364003,
                    2359881.080725905,
                    -58.74962070365028
                  ],
                  [
                    641000.1125364003,
                    2359881.080725905,
                    -28.989620703650274
                  ],
                  [
                    641000.1125364003,
                    2358998.500725905,
                    -28.989620703650274
                  ],
                  [
                    640000.1125364003,
                    2358998.500725905,
                    -58.74962070365028
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:46:18+00:00",
            "end_time": "2013-09-19T19:42:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfk0800.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.95592565943542,
              21.700116294851473,
              -23.706040243493078
            ],
            [
              -157.9558605109021,
              21.70914967859589,
              -23.706040243493078
            ],
            [
              -157.94619377113895,
              21.70908849597365,
              -0.926040243493077
            ],
            [
              -157.9462595234928,
              21.700055139993417,
              -0.926040243493077
            ],
            [
              -157.95592565943542,
              21.700116294851473,
              -23.706040243493078
            ]
          ]
        ]
      },
      "bbox": [
        -157.9559257,
        21.70005514,
        -23.70604024,
        -157.9461938,
        21.70914968,
        -0.9260402435
      ],
      "properties": {
        "datetime": "2013-09-22T01:12:06Z",
        "pc:count": 1562211,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608461.2086,
            "count": 1562211,
            "maximum": 608999.7328,
            "minimum": 607999.7328,
            "name": "X",
            "position": 0,
            "stddev": 280.6320584,
            "variance": 78754.35222
          },
          {
            "average": 2400462.65,
            "count": 1562211,
            "maximum": 2400998.495,
            "minimum": 2399998.495,
            "name": "Y",
            "position": 1,
            "stddev": 328.321203,
            "variance": 107794.8124
          },
          {
            "average": -8.153926739,
            "count": 1562211,
            "maximum": -0.9260402435,
            "minimum": -23.70604024,
            "name": "Z",
            "position": 2,
            "stddev": 3.85164489,
            "variance": 14.83516836
          },
          {
            "average": 15.4366478,
            "count": 1562211,
            "maximum": 2012,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 32.375036,
            "variance": 1048.142956
          },
          {
            "average": 1.033775207,
            "count": 1562211,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.186233304,
            "variance": 0.03468284352
          },
          {
            "average": 1.035043282,
            "count": 1562211,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1900114115,
            "variance": 0.03610433652
          },
          {
            "average": 1,
            "count": 1562211,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1562211,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1562211,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.97756012,
            "count": 1562211,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 4.918173606,
            "variance": 24.18843162
          },
          {
            "average": 134.0692166,
            "count": 1562211,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 82.70997318,
            "variance": 6840.939664
          },
          {
            "average": 2.937160217,
            "count": 1562211,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.576173906,
            "variance": 2.484324183
          },
          {
            "average": 63844024.91,
            "count": 1562211,
            "maximum": 63847526.34,
            "minimum": 63833026.85,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4098.107068,
            "variance": 16794481.54
          },
          {
            "average": 0,
            "count": 1562211,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1562211,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1562211,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1562211,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1562211,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          607999.7328,
          2399998.495,
          -23.70604024,
          608999.7328,
          2400998.495,
          -0.9260402435
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                607999.732817426,
                2399998.494784193,
                -23.706040243493078
              ],
              [
                607999.732817426,
                2400998.494784193,
                -23.706040243493078
              ],
              [
                608999.732817426,
                2400998.494784193,
                -0.926040243493077
              ],
              [
                608999.732817426,
                2399998.494784193,
                -0.926040243493077
              ],
              [
                607999.732817426,
                2399998.494784193,
                -23.706040243493078
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T01:12:06+00:00",
        "end_time": "2013-09-21T21:10:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfk0800.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfk0800.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfk0800.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0800.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9559257,
            21.70005514,
            -23.70604024,
            -157.9461938,
            21.70914968,
            -0.9260402435
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.95592565943542,
                  21.700116294851473,
                  -23.706040243493078
                ],
                [
                  -157.9558605109021,
                  21.70914967859589,
                  -23.706040243493078
                ],
                [
                  -157.94619377113895,
                  21.70908849597365,
                  -0.926040243493077
                ],
                [
                  -157.9462595234928,
                  21.700055139993417,
                  -0.926040243493077
                ],
                [
                  -157.95592565943542,
                  21.700116294851473,
                  -23.706040243493078
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfk0800.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0800.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T01:12:06Z",
            "pc:count": 1562211,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608461.2086,
                "count": 1562211,
                "maximum": 608999.7328,
                "minimum": 607999.7328,
                "name": "X",
                "position": 0,
                "stddev": 280.6320584,
                "variance": 78754.35222
              },
              {
                "average": 2400462.65,
                "count": 1562211,
                "maximum": 2400998.495,
                "minimum": 2399998.495,
                "name": "Y",
                "position": 1,
                "stddev": 328.321203,
                "variance": 107794.8124
              },
              {
                "average": -8.153926739,
                "count": 1562211,
                "maximum": -0.9260402435,
                "minimum": -23.70604024,
                "name": "Z",
                "position": 2,
                "stddev": 3.85164489,
                "variance": 14.83516836
              },
              {
                "average": 15.4366478,
                "count": 1562211,
                "maximum": 2012,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 32.375036,
                "variance": 1048.142956
              },
              {
                "average": 1.033775207,
                "count": 1562211,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.186233304,
                "variance": 0.03468284352
              },
              {
                "average": 1.035043282,
                "count": 1562211,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1900114115,
                "variance": 0.03610433652
              },
              {
                "average": 1,
                "count": 1562211,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1562211,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1562211,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.97756012,
                "count": 1562211,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 4.918173606,
                "variance": 24.18843162
              },
              {
                "average": 134.0692166,
                "count": 1562211,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 82.70997318,
                "variance": 6840.939664
              },
              {
                "average": 2.937160217,
                "count": 1562211,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.576173906,
                "variance": 2.484324183
              },
              {
                "average": 63844024.91,
                "count": 1562211,
                "maximum": 63847526.34,
                "minimum": 63833026.85,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4098.107068,
                "variance": 16794481.54
              },
              {
                "average": 0,
                "count": 1562211,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1562211,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1562211,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1562211,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1562211,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              607999.7328,
              2399998.495,
              -23.70604024,
              608999.7328,
              2400998.495,
              -0.9260402435
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    607999.732817426,
                    2399998.494784193,
                    -23.706040243493078
                  ],
                  [
                    607999.732817426,
                    2400998.494784193,
                    -23.706040243493078
                  ],
                  [
                    608999.732817426,
                    2400998.494784193,
                    -0.926040243493077
                  ],
                  [
                    608999.732817426,
                    2399998.494784193,
                    -0.926040243493077
                  ],
                  [
                    607999.732817426,
                    2399998.494784193,
                    -23.706040243493078
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T01:12:06+00:00",
            "end_time": "2013-09-21T21:10:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj4154.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.64076074553228,
              21.28901245197034,
              -50.24780363547003
            ],
            [
              -157.6407393927729,
              21.291335142361074,
              -50.24780363547003
            ],
            [
              -157.63904251399038,
              21.291321431679254,
              -43.767803635470024
            ],
            [
              -157.63906389337097,
              21.288998742927706,
              -43.767803635470024
            ],
            [
              -157.64076074553228,
              21.28901245197034,
              -50.24780363547003
            ]
          ]
        ]
      },
      "bbox": [
        -157.6407607,
        21.28899874,
        -50.24780364,
        -157.6390425,
        21.29133514,
        -43.76780364
      ],
      "properties": {
        "datetime": "2013-09-22T19:57:14Z",
        "pc:count": 3576,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 641057.6614,
            "count": 3576,
            "maximum": 641176.2643,
            "minimum": 641000.2043,
            "name": "X",
            "position": 0,
            "stddev": 42.08892441,
            "variance": 1771.477558
          },
          {
            "average": 2354916.242,
            "count": 3576,
            "maximum": 2354998.421,
            "minimum": 2354741.281,
            "name": "Y",
            "position": 1,
            "stddev": 67.34251342,
            "variance": 4535.014114
          },
          {
            "average": -47.06134111,
            "count": 3576,
            "maximum": -43.76780364,
            "minimum": -50.24780364,
            "name": "Z",
            "position": 2,
            "stddev": 1.392516317,
            "variance": 1.939101693
          },
          {
            "average": 4234.783837,
            "count": 3576,
            "maximum": 8984,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 2565.822739,
            "variance": 6583446.328
          },
          {
            "average": 1.000838926,
            "count": 3576,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0289561193,
            "variance": 0.0008384568452
          },
          {
            "average": 1.000838926,
            "count": 3576,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.0289561193,
            "variance": 0.0008384568452
          },
          {
            "average": 1,
            "count": 3576,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3576,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 3576,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 13.48398655,
            "count": 3576,
            "maximum": 22.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.316747506,
            "variance": 69.16828908
          },
          {
            "average": 249.0142617,
            "count": 3576,
            "maximum": 250,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1185844847,
            "variance": 0.01406228
          },
          {
            "average": 15.51454139,
            "count": 3576,
            "maximum": 20,
            "minimum": 12,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.970987225,
            "variance": 15.76873954
          },
          {
            "average": 63682147.21,
            "count": 3576,
            "maximum": 63915034.01,
            "minimum": 63384924.82,
            "name": "GpsTime",
            "position": 12,
            "stddev": 263131.377,
            "variance": 69238121570.0
          },
          {
            "average": 0,
            "count": 3576,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3576,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3576,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3576,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3576,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          641000.2043,
          2354741.281,
          -50.24780364,
          641176.2643,
          2354998.421,
          -43.76780364
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                641000.2042699205,
                2354741.2811309057,
                -50.24780363547003
              ],
              [
                641000.2042699205,
                2354998.4211309054,
                -50.24780363547003
              ],
              [
                641176.2642699205,
                2354998.4211309054,
                -43.767803635470024
              ],
              [
                641176.2642699205,
                2354741.2811309057,
                -43.767803635470024
              ],
              [
                641000.2042699205,
                2354741.2811309057,
                -50.24780363547003
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:57:14+00:00",
        "end_time": "2013-09-16T16:42:04+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj4154.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj4154.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj4154.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4154.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6407607,
            21.28899874,
            -50.24780364,
            -157.6390425,
            21.29133514,
            -43.76780364
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.64076074553228,
                  21.28901245197034,
                  -50.24780363547003
                ],
                [
                  -157.6407393927729,
                  21.291335142361074,
                  -50.24780363547003
                ],
                [
                  -157.63904251399038,
                  21.291321431679254,
                  -43.767803635470024
                ],
                [
                  -157.63906389337097,
                  21.288998742927706,
                  -43.767803635470024
                ],
                [
                  -157.64076074553228,
                  21.28901245197034,
                  -50.24780363547003
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj4154.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4154.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:57:14Z",
            "pc:count": 3576,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 641057.6614,
                "count": 3576,
                "maximum": 641176.2643,
                "minimum": 641000.2043,
                "name": "X",
                "position": 0,
                "stddev": 42.08892441,
                "variance": 1771.477558
              },
              {
                "average": 2354916.242,
                "count": 3576,
                "maximum": 2354998.421,
                "minimum": 2354741.281,
                "name": "Y",
                "position": 1,
                "stddev": 67.34251342,
                "variance": 4535.014114
              },
              {
                "average": -47.06134111,
                "count": 3576,
                "maximum": -43.76780364,
                "minimum": -50.24780364,
                "name": "Z",
                "position": 2,
                "stddev": 1.392516317,
                "variance": 1.939101693
              },
              {
                "average": 4234.783837,
                "count": 3576,
                "maximum": 8984,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 2565.822739,
                "variance": 6583446.328
              },
              {
                "average": 1.000838926,
                "count": 3576,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0289561193,
                "variance": 0.0008384568452
              },
              {
                "average": 1.000838926,
                "count": 3576,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.0289561193,
                "variance": 0.0008384568452
              },
              {
                "average": 1,
                "count": 3576,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3576,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 3576,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 13.48398655,
                "count": 3576,
                "maximum": 22.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.316747506,
                "variance": 69.16828908
              },
              {
                "average": 249.0142617,
                "count": 3576,
                "maximum": 250,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1185844847,
                "variance": 0.01406228
              },
              {
                "average": 15.51454139,
                "count": 3576,
                "maximum": 20,
                "minimum": 12,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.970987225,
                "variance": 15.76873954
              },
              {
                "average": 63682147.21,
                "count": 3576,
                "maximum": 63915034.01,
                "minimum": 63384924.82,
                "name": "GpsTime",
                "position": 12,
                "stddev": 263131.377,
                "variance": 69238121570.0
              },
              {
                "average": 0,
                "count": 3576,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3576,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3576,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3576,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3576,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              641000.2043,
              2354741.281,
              -50.24780364,
              641176.2643,
              2354998.421,
              -43.76780364
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    641000.2042699205,
                    2354741.2811309057,
                    -50.24780363547003
                  ],
                  [
                    641000.2042699205,
                    2354998.4211309054,
                    -50.24780363547003
                  ],
                  [
                    641176.2642699205,
                    2354998.4211309054,
                    -43.767803635470024
                  ],
                  [
                    641176.2642699205,
                    2354741.2811309057,
                    -43.767803635470024
                  ],
                  [
                    641000.2042699205,
                    2354741.2811309057,
                    -50.24780363547003
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:57:14+00:00",
            "end_time": "2013-09-16T16:42:04+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0300.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0042573130324,
              21.700413630594817,
              -10.519450803152449
            ],
            [
              -158.00419518295593,
              21.709447149386218,
              -10.519450803152449
            ],
            [
              -157.9945282739962,
              21.70938878496858,
              37.84054919684755
            ],
            [
              -157.99459100778574,
              21.700355292651622,
              37.84054919684755
            ],
            [
              -158.0042573130324,
              21.700413630594817,
              -10.519450803152449
            ]
          ]
        ]
      },
      "bbox": [
        -158.0042573,
        21.70035529,
        -10.5194508,
        -157.9945283,
        21.70944715,
        37.8405492
      ],
      "properties": {
        "datetime": "2013-09-23T00:41:43Z",
        "pc:count": 4456704,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 603574.3065,
            "count": 4456704,
            "maximum": 603999.6848,
            "minimum": 602999.6848,
            "name": "X",
            "position": 0,
            "stddev": 287.3349746,
            "variance": 82561.38764
          },
          {
            "average": 2400518.739,
            "count": 4456704,
            "maximum": 2400998.496,
            "minimum": 2399998.496,
            "name": "Y",
            "position": 1,
            "stddev": 293.051798,
            "variance": 85879.35633
          },
          {
            "average": 3.303823181,
            "count": 4456704,
            "maximum": 37.8405492,
            "minimum": -10.5194508,
            "name": "Z",
            "position": 2,
            "stddev": 8.480370023,
            "variance": 71.91667573
          },
          {
            "average": 16.66607161,
            "count": 4456704,
            "maximum": 8211,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 39.19483964,
            "variance": 1536.235454
          },
          {
            "average": 1.400407117,
            "count": 4456704,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.8589561982,
            "variance": 0.7378057504
          },
          {
            "average": 1.742334918,
            "count": 4456704,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.297946031,
            "variance": 1.684663899
          },
          {
            "average": 1,
            "count": 4456704,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4456704,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 14.01569546,
            "count": 4456704,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 13.8626851,
            "variance": 192.1740381
          },
          {
            "average": 19.95030664,
            "count": 4456704,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.944645843,
            "variance": 8.670939141
          },
          {
            "average": 94.14859681,
            "count": 4456704,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.19902943,
            "variance": 4515.709556
          },
          {
            "average": 10.89872089,
            "count": 4456704,
            "maximum": 14,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.825090741,
            "variance": 3.330956213
          },
          {
            "average": 63757434.23,
            "count": 4456704,
            "maximum": 63932103.31,
            "minimum": 62798468.37,
            "name": "GpsTime",
            "position": 12,
            "stddev": 408249.8156,
            "variance": 166667911900.0
          },
          {
            "average": 0,
            "count": 4456704,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4456704,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4456704,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4456704,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4456704,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          602999.6848,
          2399998.496,
          -10.5194508,
          603999.6848,
          2400998.496,
          37.8405492
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                602999.6848111916,
                2399998.4957867535,
                -10.519450803152449
              ],
              [
                602999.6848111916,
                2400998.4957867535,
                -10.519450803152449
              ],
              [
                603999.6848111916,
                2400998.4957867535,
                37.84054919684755
              ],
              [
                603999.6848111916,
                2399998.4957867535,
                37.84054919684755
              ],
              [
                602999.6848111916,
                2399998.4957867535,
                -10.519450803152449
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:41:43+00:00",
        "end_time": "2013-09-09T21:47:48+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0300.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0300.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0300.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0300.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0042573,
            21.70035529,
            -10.5194508,
            -157.9945283,
            21.70944715,
            37.8405492
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0042573130324,
                  21.700413630594817,
                  -10.519450803152449
                ],
                [
                  -158.00419518295593,
                  21.709447149386218,
                  -10.519450803152449
                ],
                [
                  -157.9945282739962,
                  21.70938878496858,
                  37.84054919684755
                ],
                [
                  -157.99459100778574,
                  21.700355292651622,
                  37.84054919684755
                ],
                [
                  -158.0042573130324,
                  21.700413630594817,
                  -10.519450803152449
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0300.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0300.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:41:43Z",
            "pc:count": 4456704,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 603574.3065,
                "count": 4456704,
                "maximum": 603999.6848,
                "minimum": 602999.6848,
                "name": "X",
                "position": 0,
                "stddev": 287.3349746,
                "variance": 82561.38764
              },
              {
                "average": 2400518.739,
                "count": 4456704,
                "maximum": 2400998.496,
                "minimum": 2399998.496,
                "name": "Y",
                "position": 1,
                "stddev": 293.051798,
                "variance": 85879.35633
              },
              {
                "average": 3.303823181,
                "count": 4456704,
                "maximum": 37.8405492,
                "minimum": -10.5194508,
                "name": "Z",
                "position": 2,
                "stddev": 8.480370023,
                "variance": 71.91667573
              },
              {
                "average": 16.66607161,
                "count": 4456704,
                "maximum": 8211,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 39.19483964,
                "variance": 1536.235454
              },
              {
                "average": 1.400407117,
                "count": 4456704,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.8589561982,
                "variance": 0.7378057504
              },
              {
                "average": 1.742334918,
                "count": 4456704,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.297946031,
                "variance": 1.684663899
              },
              {
                "average": 1,
                "count": 4456704,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4456704,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 14.01569546,
                "count": 4456704,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 13.8626851,
                "variance": 192.1740381
              },
              {
                "average": 19.95030664,
                "count": 4456704,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.944645843,
                "variance": 8.670939141
              },
              {
                "average": 94.14859681,
                "count": 4456704,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.19902943,
                "variance": 4515.709556
              },
              {
                "average": 10.89872089,
                "count": 4456704,
                "maximum": 14,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.825090741,
                "variance": 3.330956213
              },
              {
                "average": 63757434.23,
                "count": 4456704,
                "maximum": 63932103.31,
                "minimum": 62798468.37,
                "name": "GpsTime",
                "position": 12,
                "stddev": 408249.8156,
                "variance": 166667911900.0
              },
              {
                "average": 0,
                "count": 4456704,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4456704,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4456704,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4456704,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4456704,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              602999.6848,
              2399998.496,
              -10.5194508,
              603999.6848,
              2400998.496,
              37.8405492
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    602999.6848111916,
                    2399998.4957867535,
                    -10.519450803152449
                  ],
                  [
                    602999.6848111916,
                    2400998.4957867535,
                    -10.519450803152449
                  ],
                  [
                    603999.6848111916,
                    2400998.4957867535,
                    37.84054919684755
                  ],
                  [
                    603999.6848111916,
                    2399998.4957867535,
                    37.84054919684755
                  ],
                  [
                    602999.6848111916,
                    2399998.4957867535,
                    -10.519450803152449
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:41:43+00:00",
            "end_time": "2013-09-09T21:47:48+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj4155.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6407400145507,
              21.29133648957862,
              -48.07779208741515
            ],
            [
              -157.64065695159,
              21.300368726536576,
              -48.07779208741515
            ],
            [
              -157.6310181175841,
              21.300290586454604,
              -37.517792087415145
            ],
            [
              -157.63110176867806,
              21.291258385814043,
              -37.517792087415145
            ],
            [
              -157.6407400145507,
              21.29133648957862,
              -48.07779208741515
            ]
          ]
        ]
      },
      "bbox": [
        -157.64074,
        21.29125839,
        -48.07779209,
        -157.6310181,
        21.30036873,
        -37.51779209
      ],
      "properties": {
        "datetime": "2013-09-22T19:57:14Z",
        "pc:count": 409837,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 641386.8299,
            "count": 409837,
            "maximum": 642000.1585,
            "minimum": 641000.1385,
            "name": "X",
            "position": 0,
            "stddev": 286.3934045,
            "variance": 82021.18215
          },
          {
            "average": 2355781.083,
            "count": 409837,
            "maximum": 2355998.51,
            "minimum": 2354998.57,
            "name": "Y",
            "position": 1,
            "stddev": 185.313655,
            "variance": 34341.15073
          },
          {
            "average": -43.32227997,
            "count": 409837,
            "maximum": -37.51779209,
            "minimum": -48.07779209,
            "name": "Z",
            "position": 2,
            "stddev": 1.711999161,
            "variance": 2.930941127
          },
          {
            "average": 3150.825511,
            "count": 409837,
            "maximum": 8997,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1111.87346,
            "variance": 1236262.592
          },
          {
            "average": 1.000231799,
            "count": 409837,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01522321602,
            "variance": 0.000231746306
          },
          {
            "average": 1.000231799,
            "count": 409837,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01522321602,
            "variance": 0.000231746306
          },
          {
            "average": 1,
            "count": 409837,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 409837,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 409837,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.45593784,
            "count": 409837,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.132938901,
            "variance": 83.41057297
          },
          {
            "average": 249.0162333,
            "count": 409837,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1266802372,
            "variance": 0.01604788249
          },
          {
            "average": 7.642970254,
            "count": 409837,
            "maximum": 12,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.832049652,
            "variance": 3.356405927
          },
          {
            "average": 63840181.14,
            "count": 409837,
            "maximum": 63915034,
            "minimum": 63651328.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 117230.3545,
            "variance": 13742956030.0
          },
          {
            "average": 0,
            "count": 409837,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 409837,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 409837,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 409837,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 409837,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          641000.1385,
          2354998.57,
          -48.07779209,
          642000.1585,
          2355998.51,
          -37.51779209
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                641000.1384770381,
                2354998.5697115776,
                -48.07779208741515
              ],
              [
                641000.1384770381,
                2355998.509711578,
                -48.07779208741515
              ],
              [
                642000.1584770381,
                2355998.509711578,
                -37.517792087415145
              ],
              [
                642000.1584770381,
                2354998.5697115776,
                -37.517792087415145
              ],
              [
                641000.1384770381,
                2354998.5697115776,
                -48.07779208741515
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:57:14+00:00",
        "end_time": "2013-09-19T18:42:08+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj4155.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj4155.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj4155.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4155.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.64074,
            21.29125839,
            -48.07779209,
            -157.6310181,
            21.30036873,
            -37.51779209
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6407400145507,
                  21.29133648957862,
                  -48.07779208741515
                ],
                [
                  -157.64065695159,
                  21.300368726536576,
                  -48.07779208741515
                ],
                [
                  -157.6310181175841,
                  21.300290586454604,
                  -37.517792087415145
                ],
                [
                  -157.63110176867806,
                  21.291258385814043,
                  -37.517792087415145
                ],
                [
                  -157.6407400145507,
                  21.29133648957862,
                  -48.07779208741515
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj4155.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj4155.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:57:14Z",
            "pc:count": 409837,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 641386.8299,
                "count": 409837,
                "maximum": 642000.1585,
                "minimum": 641000.1385,
                "name": "X",
                "position": 0,
                "stddev": 286.3934045,
                "variance": 82021.18215
              },
              {
                "average": 2355781.083,
                "count": 409837,
                "maximum": 2355998.51,
                "minimum": 2354998.57,
                "name": "Y",
                "position": 1,
                "stddev": 185.313655,
                "variance": 34341.15073
              },
              {
                "average": -43.32227997,
                "count": 409837,
                "maximum": -37.51779209,
                "minimum": -48.07779209,
                "name": "Z",
                "position": 2,
                "stddev": 1.711999161,
                "variance": 2.930941127
              },
              {
                "average": 3150.825511,
                "count": 409837,
                "maximum": 8997,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1111.87346,
                "variance": 1236262.592
              },
              {
                "average": 1.000231799,
                "count": 409837,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01522321602,
                "variance": 0.000231746306
              },
              {
                "average": 1.000231799,
                "count": 409837,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01522321602,
                "variance": 0.000231746306
              },
              {
                "average": 1,
                "count": 409837,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 409837,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 409837,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.45593784,
                "count": 409837,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.132938901,
                "variance": 83.41057297
              },
              {
                "average": 249.0162333,
                "count": 409837,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1266802372,
                "variance": 0.01604788249
              },
              {
                "average": 7.642970254,
                "count": 409837,
                "maximum": 12,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.832049652,
                "variance": 3.356405927
              },
              {
                "average": 63840181.14,
                "count": 409837,
                "maximum": 63915034,
                "minimum": 63651328.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 117230.3545,
                "variance": 13742956030.0
              },
              {
                "average": 0,
                "count": 409837,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 409837,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 409837,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 409837,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 409837,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              641000.1385,
              2354998.57,
              -48.07779209,
              642000.1585,
              2355998.51,
              -37.51779209
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    641000.1384770381,
                    2354998.5697115776,
                    -48.07779208741515
                  ],
                  [
                    641000.1384770381,
                    2355998.509711578,
                    -48.07779208741515
                  ],
                  [
                    642000.1584770381,
                    2355998.509711578,
                    -37.517792087415145
                  ],
                  [
                    642000.1584770381,
                    2354998.5697115776,
                    -37.517792087415145
                  ],
                  [
                    641000.1384770381,
                    2354998.5697115776,
                    -48.07779208741515
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:57:14+00:00",
            "end_time": "2013-09-19T18:42:08+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfk0801.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.95586053226373,
              21.709149656372215,
              -37.01756666781054
            ],
            [
              -157.95579621674526,
              21.718062886255066,
              -37.01756666781054
            ],
            [
              -157.94819614111506,
              21.718014812776282,
              -6.917566667810537
            ],
            [
              -157.9482609252296,
              21.709101604416354,
              -6.917566667810537
            ],
            [
              -157.95586053226373,
              21.709149656372215,
              -37.01756666781054
            ]
          ]
        ]
      },
      "bbox": [
        -157.9558605,
        21.7091016,
        -37.01756667,
        -157.9481961,
        21.71806289,
        -6.917566668
      ],
      "properties": {
        "datetime": "2013-09-23T00:45:28Z",
        "pc:count": 496401,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 608242.7488,
            "count": 496401,
            "maximum": 608785.8906,
            "minimum": 607999.7306,
            "name": "X",
            "position": 0,
            "stddev": 180.6660969,
            "variance": 32640.23856
          },
          {
            "average": 2401207.504,
            "count": 496401,
            "maximum": 2401985.192,
            "minimum": 2400998.492,
            "name": "Y",
            "position": 1,
            "stddev": 196.5122477,
            "variance": 38617.06351
          },
          {
            "average": -16.99545209,
            "count": 496401,
            "maximum": -6.917566668,
            "minimum": -37.01756667,
            "name": "Z",
            "position": 2,
            "stddev": 7.55676561,
            "variance": 57.10470649
          },
          {
            "average": 131.9911483,
            "count": 496401,
            "maximum": 8176,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 191.0409242,
            "variance": 36496.63473
          },
          {
            "average": 1.010640591,
            "count": 496401,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1061542634,
            "variance": 0.01126872764
          },
          {
            "average": 1.012669193,
            "count": 496401,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1186422945,
            "variance": 0.01407599405
          },
          {
            "average": 1,
            "count": 496401,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 496401,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 496401,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.82148392,
            "count": 496401,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.457285892,
            "variance": 55.61111287
          },
          {
            "average": 165.6792452,
            "count": 496401,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 87.55442674,
            "variance": 7665.777642
          },
          {
            "average": 2.837774299,
            "count": 496401,
            "maximum": 15,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.703727665,
            "variance": 7.310143285
          },
          {
            "average": 63844786.95,
            "count": 496401,
            "maximum": 63932328.54,
            "minimum": 63833036.79,
            "name": "GpsTime",
            "position": 12,
            "stddev": 15054.2759,
            "variance": 226631222.8
          },
          {
            "average": 0,
            "count": 496401,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 496401,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 496401,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 496401,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 496401,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          607999.7306,
          2400998.492,
          -37.01756667,
          608785.8906,
          2401985.192,
          -6.917566668
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                607999.7306243061,
                2400998.492309234,
                -37.01756666781054
              ],
              [
                607999.7306243061,
                2401985.1923092343,
                -37.01756666781054
              ],
              [
                608785.890624306,
                2401985.1923092343,
                -6.917566667810537
              ],
              [
                608785.890624306,
                2400998.492309234,
                -6.917566667810537
              ],
              [
                607999.7306243061,
                2400998.492309234,
                -37.01756666781054
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:45:28+00:00",
        "end_time": "2013-09-21T21:10:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfk0801.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfk0801.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfk0801.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0801.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9558605,
            21.7091016,
            -37.01756667,
            -157.9481961,
            21.71806289,
            -6.917566668
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.95586053226373,
                  21.709149656372215,
                  -37.01756666781054
                ],
                [
                  -157.95579621674526,
                  21.718062886255066,
                  -37.01756666781054
                ],
                [
                  -157.94819614111506,
                  21.718014812776282,
                  -6.917566667810537
                ],
                [
                  -157.9482609252296,
                  21.709101604416354,
                  -6.917566667810537
                ],
                [
                  -157.95586053226373,
                  21.709149656372215,
                  -37.01756666781054
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfk0801.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0801.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:45:28Z",
            "pc:count": 496401,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 608242.7488,
                "count": 496401,
                "maximum": 608785.8906,
                "minimum": 607999.7306,
                "name": "X",
                "position": 0,
                "stddev": 180.6660969,
                "variance": 32640.23856
              },
              {
                "average": 2401207.504,
                "count": 496401,
                "maximum": 2401985.192,
                "minimum": 2400998.492,
                "name": "Y",
                "position": 1,
                "stddev": 196.5122477,
                "variance": 38617.06351
              },
              {
                "average": -16.99545209,
                "count": 496401,
                "maximum": -6.917566668,
                "minimum": -37.01756667,
                "name": "Z",
                "position": 2,
                "stddev": 7.55676561,
                "variance": 57.10470649
              },
              {
                "average": 131.9911483,
                "count": 496401,
                "maximum": 8176,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 191.0409242,
                "variance": 36496.63473
              },
              {
                "average": 1.010640591,
                "count": 496401,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1061542634,
                "variance": 0.01126872764
              },
              {
                "average": 1.012669193,
                "count": 496401,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1186422945,
                "variance": 0.01407599405
              },
              {
                "average": 1,
                "count": 496401,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 496401,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 496401,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.82148392,
                "count": 496401,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.457285892,
                "variance": 55.61111287
              },
              {
                "average": 165.6792452,
                "count": 496401,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 87.55442674,
                "variance": 7665.777642
              },
              {
                "average": 2.837774299,
                "count": 496401,
                "maximum": 15,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.703727665,
                "variance": 7.310143285
              },
              {
                "average": 63844786.95,
                "count": 496401,
                "maximum": 63932328.54,
                "minimum": 63833036.79,
                "name": "GpsTime",
                "position": 12,
                "stddev": 15054.2759,
                "variance": 226631222.8
              },
              {
                "average": 0,
                "count": 496401,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 496401,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 496401,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 496401,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 496401,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              607999.7306,
              2400998.492,
              -37.01756667,
              608785.8906,
              2401985.192,
              -6.917566668
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    607999.7306243061,
                    2400998.492309234,
                    -37.01756666781054
                  ],
                  [
                    607999.7306243061,
                    2401985.1923092343,
                    -37.01756666781054
                  ],
                  [
                    608785.890624306,
                    2401985.1923092343,
                    -6.917566667810537
                  ],
                  [
                    608785.890624306,
                    2400998.492309234,
                    -6.917566667810537
                  ],
                  [
                    607999.7306243061,
                    2400998.492309234,
                    -37.01756666781054
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:45:28+00:00",
            "end_time": "2013-09-21T21:10:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj4156.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.64065689893422,
              21.300368720548416,
              -48.675691117414146
            ],
            [
              -157.64057378556413,
              21.309401489457933,
              -48.675691117414146
            ],
            [
              -157.63093436314395,
              21.309323313047923,
              -35.895691117414145
            ],
            [
              -157.63101806492892,
              21.30029058046345,
              -35.895691117414145
            ],
            [
              -157.64065689893422,
              21.300368720548416,
              -48.675691117414146
            ]
          ]
        ]
      },
      "bbox": [
        -157.6406569,
        21.30029058,
        -48.67569112,
        -157.6309344,
        21.30940149,
        -35.89569112
      ],
      "properties": {
        "datetime": "2013-09-22T19:35:33Z",
        "pc:count": 1171759,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 641434.2616,
            "count": 1171759,
            "maximum": 642000.1639,
            "minimum": 641000.1439,
            "name": "X",
            "position": 0,
            "stddev": 263.0907003,
            "variance": 69216.71658
          },
          {
            "average": 2356443.699,
            "count": 1171759,
            "maximum": 2356998.509,
            "minimum": 2355998.509,
            "name": "Y",
            "position": 1,
            "stddev": 273.0757942,
            "variance": 74570.3894
          },
          {
            "average": -42.07303793,
            "count": 1171759,
            "maximum": -35.89569112,
            "minimum": -48.67569112,
            "name": "Z",
            "position": 2,
            "stddev": 2.157803023,
            "variance": 4.656113884
          },
          {
            "average": 3186.276833,
            "count": 1171759,
            "maximum": 8999,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1108.409607,
            "variance": 1228571.856
          },
          {
            "average": 1.000532533,
            "count": 1171759,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.02307053482,
            "variance": 0.0005322495768
          },
          {
            "average": 1.000532533,
            "count": 1171759,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.02307053482,
            "variance": 0.0005322495768
          },
          {
            "average": 1,
            "count": 1171759,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1171759,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1171759,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.5838216,
            "count": 1171759,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.480375917,
            "variance": 89.87752753
          },
          {
            "average": 249.0110227,
            "count": 1171759,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1048576601,
            "variance": 0.01099512889
          },
          {
            "average": 4.359717314,
            "count": 1171759,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.11389072,
            "variance": 4.468533974
          },
          {
            "average": 63750899.96,
            "count": 1171759,
            "maximum": 63913733.12,
            "minimum": 63382016.46,
            "name": "GpsTime",
            "position": 12,
            "stddev": 144017.8214,
            "variance": 20741132870.0
          },
          {
            "average": 0,
            "count": 1171759,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1171759,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1171759,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1171759,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1171759,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          641000.1439,
          2355998.509,
          -48.67569112,
          642000.1639,
          2356998.509,
          -35.89569112
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                641000.1439453186,
                2355998.5090957778,
                -48.675691117414146
              ],
              [
                641000.1439453186,
                2356998.5090957778,
                -48.675691117414146
              ],
              [
                642000.1639453187,
                2356998.5090957778,
                -35.895691117414145
              ],
              [
                642000.1639453187,
                2355998.5090957778,
                -35.895691117414145
              ],
              [
                641000.1439453186,
                2355998.5090957778,
                -48.675691117414146
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:35:33+00:00",
        "end_time": "2013-09-16T15:53:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj4156.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj4156.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj4156.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4156.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6406569,
            21.30029058,
            -48.67569112,
            -157.6309344,
            21.30940149,
            -35.89569112
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.64065689893422,
                  21.300368720548416,
                  -48.675691117414146
                ],
                [
                  -157.64057378556413,
                  21.309401489457933,
                  -48.675691117414146
                ],
                [
                  -157.63093436314395,
                  21.309323313047923,
                  -35.895691117414145
                ],
                [
                  -157.63101806492892,
                  21.30029058046345,
                  -35.895691117414145
                ],
                [
                  -157.64065689893422,
                  21.300368720548416,
                  -48.675691117414146
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj4156.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4156.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:35:33Z",
            "pc:count": 1171759,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 641434.2616,
                "count": 1171759,
                "maximum": 642000.1639,
                "minimum": 641000.1439,
                "name": "X",
                "position": 0,
                "stddev": 263.0907003,
                "variance": 69216.71658
              },
              {
                "average": 2356443.699,
                "count": 1171759,
                "maximum": 2356998.509,
                "minimum": 2355998.509,
                "name": "Y",
                "position": 1,
                "stddev": 273.0757942,
                "variance": 74570.3894
              },
              {
                "average": -42.07303793,
                "count": 1171759,
                "maximum": -35.89569112,
                "minimum": -48.67569112,
                "name": "Z",
                "position": 2,
                "stddev": 2.157803023,
                "variance": 4.656113884
              },
              {
                "average": 3186.276833,
                "count": 1171759,
                "maximum": 8999,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1108.409607,
                "variance": 1228571.856
              },
              {
                "average": 1.000532533,
                "count": 1171759,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.02307053482,
                "variance": 0.0005322495768
              },
              {
                "average": 1.000532533,
                "count": 1171759,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.02307053482,
                "variance": 0.0005322495768
              },
              {
                "average": 1,
                "count": 1171759,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1171759,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1171759,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.5838216,
                "count": 1171759,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.480375917,
                "variance": 89.87752753
              },
              {
                "average": 249.0110227,
                "count": 1171759,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1048576601,
                "variance": 0.01099512889
              },
              {
                "average": 4.359717314,
                "count": 1171759,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.11389072,
                "variance": 4.468533974
              },
              {
                "average": 63750899.96,
                "count": 1171759,
                "maximum": 63913733.12,
                "minimum": 63382016.46,
                "name": "GpsTime",
                "position": 12,
                "stddev": 144017.8214,
                "variance": 20741132870.0
              },
              {
                "average": 0,
                "count": 1171759,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1171759,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1171759,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1171759,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1171759,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              641000.1439,
              2355998.509,
              -48.67569112,
              642000.1639,
              2356998.509,
              -35.89569112
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    641000.1439453186,
                    2355998.5090957778,
                    -48.675691117414146
                  ],
                  [
                    641000.1439453186,
                    2356998.5090957778,
                    -48.675691117414146
                  ],
                  [
                    642000.1639453187,
                    2356998.5090957778,
                    -35.895691117414145
                  ],
                  [
                    642000.1639453187,
                    2355998.5090957778,
                    -35.895691117414145
                  ],
                  [
                    641000.1439453186,
                    2355998.5090957778,
                    -48.675691117414146
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:35:33+00:00",
            "end_time": "2013-09-16T15:53:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfk0900.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.94625940107028,
              21.700055143784272,
              -26.27838526138582
            ],
            [
              -157.94621120664152,
              21.70667677536956,
              -26.27838526138582
            ],
            [
              -157.93934099701224,
              21.70663295434273,
              -8.698385261385821
            ],
            [
              -157.93938950601847,
              21.70001133733254,
              -8.698385261385821
            ],
            [
              -157.94625940107028,
              21.700055143784272,
              -26.27838526138582
            ]
          ]
        ]
      },
      "bbox": [
        -157.9462594,
        21.70001134,
        -26.27838526,
        -157.939341,
        21.70667678,
        -8.698385261
      ],
      "properties": {
        "datetime": "2013-09-22T00:22:04Z",
        "pc:count": 375198,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 609257.1505,
            "count": 375198,
            "maximum": 609710.4655,
            "minimum": 608999.7455,
            "name": "X",
            "position": 0,
            "stddev": 164.7595141,
            "variance": 27145.69747
          },
          {
            "average": 2400268.749,
            "count": 375198,
            "maximum": 2400731.515,
            "minimum": 2399998.495,
            "name": "Y",
            "position": 1,
            "stddev": 183.9456698,
            "variance": 33836.00944
          },
          {
            "average": -14.15119898,
            "count": 375198,
            "maximum": -8.698385261,
            "minimum": -26.27838526,
            "name": "Z",
            "position": 2,
            "stddev": 1.512910594,
            "variance": 2.288898467
          },
          {
            "average": 52.86434896,
            "count": 375198,
            "maximum": 5996,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 60.94406438,
            "variance": 3714.178983
          },
          {
            "average": 1.004592242,
            "count": 375198,
            "maximum": 3,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.0679642572,
            "variance": 0.004619140257
          },
          {
            "average": 1.005210582,
            "count": 375198,
            "maximum": 3,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.07247580785,
            "variance": 0.005252742724
          },
          {
            "average": 1,
            "count": 375198,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 375198,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 375198,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.74951928,
            "count": 375198,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.194468487,
            "variance": 51.76037681
          },
          {
            "average": 180.2144681,
            "count": 375198,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 77.31234889,
            "variance": 5977.19929
          },
          {
            "average": 4.998102335,
            "count": 375198,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.440479436,
            "variance": 2.074981007
          },
          {
            "average": 63833741.87,
            "count": 375198,
            "maximum": 63844524.22,
            "minimum": 63832029.98,
            "name": "GpsTime",
            "position": 12,
            "stddev": 3698.748458,
            "variance": 13680740.16
          },
          {
            "average": 0,
            "count": 375198,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 375198,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 375198,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 375198,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 375198,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          608999.7455,
          2399998.495,
          -26.27838526,
          609710.4655,
          2400731.515,
          -8.698385261
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                608999.7454791054,
                2399998.495289957,
                -26.27838526138582
              ],
              [
                608999.7454791054,
                2400731.5152899567,
                -26.27838526138582
              ],
              [
                609710.4654791054,
                2400731.5152899567,
                -8.698385261385821
              ],
              [
                609710.4654791054,
                2399998.495289957,
                -8.698385261385821
              ],
              [
                608999.7454791054,
                2399998.495289957,
                -26.27838526138582
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T00:22:04+00:00",
        "end_time": "2013-09-21T20:53:49+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfk0900.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfk0900.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfk0900.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0900.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9462594,
            21.70001134,
            -26.27838526,
            -157.939341,
            21.70667678,
            -8.698385261
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.94625940107028,
                  21.700055143784272,
                  -26.27838526138582
                ],
                [
                  -157.94621120664152,
                  21.70667677536956,
                  -26.27838526138582
                ],
                [
                  -157.93934099701224,
                  21.70663295434273,
                  -8.698385261385821
                ],
                [
                  -157.93938950601847,
                  21.70001133733254,
                  -8.698385261385821
                ],
                [
                  -157.94625940107028,
                  21.700055143784272,
                  -26.27838526138582
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfk0900.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0900.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T00:22:04Z",
            "pc:count": 375198,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 609257.1505,
                "count": 375198,
                "maximum": 609710.4655,
                "minimum": 608999.7455,
                "name": "X",
                "position": 0,
                "stddev": 164.7595141,
                "variance": 27145.69747
              },
              {
                "average": 2400268.749,
                "count": 375198,
                "maximum": 2400731.515,
                "minimum": 2399998.495,
                "name": "Y",
                "position": 1,
                "stddev": 183.9456698,
                "variance": 33836.00944
              },
              {
                "average": -14.15119898,
                "count": 375198,
                "maximum": -8.698385261,
                "minimum": -26.27838526,
                "name": "Z",
                "position": 2,
                "stddev": 1.512910594,
                "variance": 2.288898467
              },
              {
                "average": 52.86434896,
                "count": 375198,
                "maximum": 5996,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 60.94406438,
                "variance": 3714.178983
              },
              {
                "average": 1.004592242,
                "count": 375198,
                "maximum": 3,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.0679642572,
                "variance": 0.004619140257
              },
              {
                "average": 1.005210582,
                "count": 375198,
                "maximum": 3,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.07247580785,
                "variance": 0.005252742724
              },
              {
                "average": 1,
                "count": 375198,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 375198,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 375198,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.74951928,
                "count": 375198,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.194468487,
                "variance": 51.76037681
              },
              {
                "average": 180.2144681,
                "count": 375198,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 77.31234889,
                "variance": 5977.19929
              },
              {
                "average": 4.998102335,
                "count": 375198,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.440479436,
                "variance": 2.074981007
              },
              {
                "average": 63833741.87,
                "count": 375198,
                "maximum": 63844524.22,
                "minimum": 63832029.98,
                "name": "GpsTime",
                "position": 12,
                "stddev": 3698.748458,
                "variance": 13680740.16
              },
              {
                "average": 0,
                "count": 375198,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 375198,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 375198,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 375198,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 375198,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              608999.7455,
              2399998.495,
              -26.27838526,
              609710.4655,
              2400731.515,
              -8.698385261
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    608999.7454791054,
                    2399998.495289957,
                    -26.27838526138582
                  ],
                  [
                    608999.7454791054,
                    2400731.5152899567,
                    -26.27838526138582
                  ],
                  [
                    609710.4654791054,
                    2400731.5152899567,
                    -8.698385261385821
                  ],
                  [
                    609710.4654791054,
                    2399998.495289957,
                    -8.698385261385821
                  ],
                  [
                    608999.7454791054,
                    2399998.495289957,
                    -26.27838526138582
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T00:22:04+00:00",
            "end_time": "2013-09-21T20:53:49+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj4157.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6405738146976,
              21.309401346500955,
              -50.533721559844
            ],
            [
              -157.64049065423202,
              21.31843428604701,
              -50.533721559844
            ],
            [
              -157.63085122153643,
              21.31835607801714,
              -38.85372155984399
            ],
            [
              -157.6309349706391,
              21.30932317480016,
              -38.85372155984399
            ],
            [
              -157.6405738146976,
              21.309401346500955,
              -50.533721559844
            ]
          ]
        ]
      },
      "bbox": [
        -157.6405738,
        21.30932317,
        -50.53372156,
        -157.6308512,
        21.31843429,
        -38.85372156
      ],
      "properties": {
        "datetime": "2013-09-19T20:51:10Z",
        "pc:count": 748195,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 641363.7328,
            "count": 748195,
            "maximum": 642000.1011,
            "minimum": 641000.1411,
            "name": "X",
            "position": 0,
            "stddev": 230.8082084,
            "variance": 53272.42907
          },
          {
            "average": 2357518.687,
            "count": 748195,
            "maximum": 2357998.513,
            "minimum": 2356998.493,
            "name": "Y",
            "position": 1,
            "stddev": 281.0543591,
            "variance": 78991.55277
          },
          {
            "average": -44.87970533,
            "count": 748195,
            "maximum": -38.85372156,
            "minimum": -50.53372156,
            "name": "Z",
            "position": 2,
            "stddev": 1.812980989,
            "variance": 3.286900065
          },
          {
            "average": 3998.52307,
            "count": 748195,
            "maximum": 9000,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 1546.292276,
            "variance": 2391019.803
          },
          {
            "average": 1.000326118,
            "count": 748195,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.01805580997,
            "variance": 0.0003260122738
          },
          {
            "average": 1.000338147,
            "count": 748195,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.01838568054,
            "variance": 0.0003380332491
          },
          {
            "average": 1,
            "count": 748195,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 748195,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 748195,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.21415592,
            "count": 748195,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.453471557,
            "variance": 89.36812448
          },
          {
            "average": 249.0079952,
            "count": 748195,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.08934269728,
            "variance": 0.007982117556
          },
          {
            "average": 5.766999245,
            "count": 748195,
            "maximum": 12,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.402567635,
            "variance": 11.57746651
          },
          {
            "average": 63635957.06,
            "count": 748195,
            "maximum": 63659070.13,
            "minimum": 63382184.71,
            "name": "GpsTime",
            "position": 12,
            "stddev": 31552.65273,
            "variance": 995569894.4
          },
          {
            "average": 0,
            "count": 748195,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 748195,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 748195,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 748195,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 748195,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          641000.1411,
          2356998.493,
          -50.53372156,
          642000.1011,
          2357998.513,
          -38.85372156
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                641000.1410596538,
                2356998.493244398,
                -50.533721559844
              ],
              [
                641000.1410596538,
                2357998.5132443975,
                -50.533721559844
              ],
              [
                642000.1010596538,
                2357998.5132443975,
                -38.85372155984399
              ],
              [
                642000.1010596538,
                2356998.493244398,
                -38.85372155984399
              ],
              [
                641000.1410596538,
                2356998.493244398,
                -50.533721559844
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:51:10+00:00",
        "end_time": "2013-09-16T15:56:24+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj4157.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj4157.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj4157.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4157.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6405738,
            21.30932317,
            -50.53372156,
            -157.6308512,
            21.31843429,
            -38.85372156
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6405738146976,
                  21.309401346500955,
                  -50.533721559844
                ],
                [
                  -157.64049065423202,
                  21.31843428604701,
                  -50.533721559844
                ],
                [
                  -157.63085122153643,
                  21.31835607801714,
                  -38.85372155984399
                ],
                [
                  -157.6309349706391,
                  21.30932317480016,
                  -38.85372155984399
                ],
                [
                  -157.6405738146976,
                  21.309401346500955,
                  -50.533721559844
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj4157.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj4157.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:51:10Z",
            "pc:count": 748195,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 641363.7328,
                "count": 748195,
                "maximum": 642000.1011,
                "minimum": 641000.1411,
                "name": "X",
                "position": 0,
                "stddev": 230.8082084,
                "variance": 53272.42907
              },
              {
                "average": 2357518.687,
                "count": 748195,
                "maximum": 2357998.513,
                "minimum": 2356998.493,
                "name": "Y",
                "position": 1,
                "stddev": 281.0543591,
                "variance": 78991.55277
              },
              {
                "average": -44.87970533,
                "count": 748195,
                "maximum": -38.85372156,
                "minimum": -50.53372156,
                "name": "Z",
                "position": 2,
                "stddev": 1.812980989,
                "variance": 3.286900065
              },
              {
                "average": 3998.52307,
                "count": 748195,
                "maximum": 9000,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 1546.292276,
                "variance": 2391019.803
              },
              {
                "average": 1.000326118,
                "count": 748195,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.01805580997,
                "variance": 0.0003260122738
              },
              {
                "average": 1.000338147,
                "count": 748195,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.01838568054,
                "variance": 0.0003380332491
              },
              {
                "average": 1,
                "count": 748195,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 748195,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 748195,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.21415592,
                "count": 748195,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.453471557,
                "variance": 89.36812448
              },
              {
                "average": 249.0079952,
                "count": 748195,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.08934269728,
                "variance": 0.007982117556
              },
              {
                "average": 5.766999245,
                "count": 748195,
                "maximum": 12,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.402567635,
                "variance": 11.57746651
              },
              {
                "average": 63635957.06,
                "count": 748195,
                "maximum": 63659070.13,
                "minimum": 63382184.71,
                "name": "GpsTime",
                "position": 12,
                "stddev": 31552.65273,
                "variance": 995569894.4
              },
              {
                "average": 0,
                "count": 748195,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 748195,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 748195,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 748195,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 748195,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              641000.1411,
              2356998.493,
              -50.53372156,
              642000.1011,
              2357998.513,
              -38.85372156
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    641000.1410596538,
                    2356998.493244398,
                    -50.533721559844
                  ],
                  [
                    641000.1410596538,
                    2357998.5132443975,
                    -50.533721559844
                  ],
                  [
                    642000.1010596538,
                    2357998.5132443975,
                    -38.85372155984399
                  ],
                  [
                    642000.1010596538,
                    2356998.493244398,
                    -38.85372155984399
                  ],
                  [
                    641000.1410596538,
                    2356998.493244398,
                    -50.533721559844
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:51:10+00:00",
            "end_time": "2013-09-16T15:56:24+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3653.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.68909248007836,
              21.273651848369976,
              -31.33978950254577
            ],
            [
              -157.6890124475895,
              21.282685004687057,
              -31.33978950254577
            ],
            [
              -157.67937438235748,
              21.28260969188464,
              246.6002104974542
            ],
            [
              -157.6794550022461,
              21.27357657056363,
              246.6002104974542
            ],
            [
              -157.68909248007836,
              21.273651848369976,
              -31.33978950254577
            ]
          ]
        ]
      },
      "bbox": [
        -157.6890925,
        21.27357657,
        -31.3397895,
        -157.6793744,
        21.282685,
        246.6002105
      ],
      "properties": {
        "datetime": "2013-09-22T19:56:07Z",
        "pc:count": 13049897,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636406.2151,
            "count": 13049897,
            "maximum": 637000.0299,
            "minimum": 635999.9899,
            "name": "X",
            "position": 0,
            "stddev": 269.7176335,
            "variance": 72747.60182
          },
          {
            "average": 2353640.601,
            "count": 13049897,
            "maximum": 2353998.485,
            "minimum": 2352998.465,
            "name": "Y",
            "position": 1,
            "stddev": 250.4246572,
            "variance": 62712.50892
          },
          {
            "average": 79.54243972,
            "count": 13049897,
            "maximum": 246.6002105,
            "minimum": -31.3397895,
            "name": "Z",
            "position": 2,
            "stddev": 56.00053767,
            "variance": 3136.060219
          },
          {
            "average": 34.36235052,
            "count": 13049897,
            "maximum": 4723,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 130.2664693,
            "variance": 16969.35302
          },
          {
            "average": 1.415629257,
            "count": 13049897,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.797784853,
            "variance": 0.6364606717
          },
          {
            "average": 1.831664112,
            "count": 13049897,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.198948484,
            "variance": 1.437477467
          },
          {
            "average": 1,
            "count": 13049897,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13049897,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.053268466,
            "count": 13049897,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.130110604,
            "variance": 50.83847722
          },
          {
            "average": 19.78390226,
            "count": 13049897,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.863040155,
            "variance": 8.196998932
          },
          {
            "average": 95.14801856,
            "count": 13049897,
            "maximum": 254,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 69.69478713,
            "variance": 4857.363353
          },
          {
            "average": 17.24092359,
            "count": 13049897,
            "maximum": 23,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 4.415851119,
            "variance": 19.49974111
          },
          {
            "average": 63574459,
            "count": 13049897,
            "maximum": 63914967.73,
            "minimum": 63383674.01,
            "name": "GpsTime",
            "position": 12,
            "stddev": 253814.4188,
            "variance": 64421759180.0
          },
          {
            "average": 0,
            "count": 13049897,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13049897,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13049897,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13049897,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 13049897,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          635999.9899,
          2352998.465,
          -31.3397895,
          637000.0299,
          2353998.485,
          246.6002105
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                635999.9899104978,
                2352998.4646127243,
                -31.33978950254577
              ],
              [
                635999.9899104978,
                2353998.484612724,
                -31.33978950254577
              ],
              [
                637000.0299104978,
                2353998.484612724,
                246.6002104974542
              ],
              [
                637000.0299104978,
                2352998.4646127243,
                246.6002104974542
              ],
              [
                635999.9899104978,
                2352998.4646127243,
                -31.33978950254577
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:56:07+00:00",
        "end_time": "2013-09-16T16:21:14+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3653.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3653.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3653.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3653.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6890925,
            21.27357657,
            -31.3397895,
            -157.6793744,
            21.282685,
            246.6002105
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.68909248007836,
                  21.273651848369976,
                  -31.33978950254577
                ],
                [
                  -157.6890124475895,
                  21.282685004687057,
                  -31.33978950254577
                ],
                [
                  -157.67937438235748,
                  21.28260969188464,
                  246.6002104974542
                ],
                [
                  -157.6794550022461,
                  21.27357657056363,
                  246.6002104974542
                ],
                [
                  -157.68909248007836,
                  21.273651848369976,
                  -31.33978950254577
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3653.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3653.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:56:07Z",
            "pc:count": 13049897,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636406.2151,
                "count": 13049897,
                "maximum": 637000.0299,
                "minimum": 635999.9899,
                "name": "X",
                "position": 0,
                "stddev": 269.7176335,
                "variance": 72747.60182
              },
              {
                "average": 2353640.601,
                "count": 13049897,
                "maximum": 2353998.485,
                "minimum": 2352998.465,
                "name": "Y",
                "position": 1,
                "stddev": 250.4246572,
                "variance": 62712.50892
              },
              {
                "average": 79.54243972,
                "count": 13049897,
                "maximum": 246.6002105,
                "minimum": -31.3397895,
                "name": "Z",
                "position": 2,
                "stddev": 56.00053767,
                "variance": 3136.060219
              },
              {
                "average": 34.36235052,
                "count": 13049897,
                "maximum": 4723,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 130.2664693,
                "variance": 16969.35302
              },
              {
                "average": 1.415629257,
                "count": 13049897,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.797784853,
                "variance": 0.6364606717
              },
              {
                "average": 1.831664112,
                "count": 13049897,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.198948484,
                "variance": 1.437477467
              },
              {
                "average": 1,
                "count": 13049897,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13049897,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.053268466,
                "count": 13049897,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.130110604,
                "variance": 50.83847722
              },
              {
                "average": 19.78390226,
                "count": 13049897,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.863040155,
                "variance": 8.196998932
              },
              {
                "average": 95.14801856,
                "count": 13049897,
                "maximum": 254,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 69.69478713,
                "variance": 4857.363353
              },
              {
                "average": 17.24092359,
                "count": 13049897,
                "maximum": 23,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 4.415851119,
                "variance": 19.49974111
              },
              {
                "average": 63574459,
                "count": 13049897,
                "maximum": 63914967.73,
                "minimum": 63383674.01,
                "name": "GpsTime",
                "position": 12,
                "stddev": 253814.4188,
                "variance": 64421759180.0
              },
              {
                "average": 0,
                "count": 13049897,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13049897,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13049897,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13049897,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 13049897,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              635999.9899,
              2352998.465,
              -31.3397895,
              637000.0299,
              2353998.485,
              246.6002105
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    635999.9899104978,
                    2352998.4646127243,
                    -31.33978950254577
                  ],
                  [
                    635999.9899104978,
                    2353998.484612724,
                    -31.33978950254577
                  ],
                  [
                    637000.0299104978,
                    2353998.484612724,
                    246.6002104974542
                  ],
                  [
                    637000.0299104978,
                    2352998.4646127243,
                    246.6002104974542
                  ],
                  [
                    635999.9899104978,
                    2352998.4646127243,
                    -31.33978950254577
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:56:07+00:00",
            "end_time": "2013-09-16T16:21:14+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0301.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.00419521375179,
              21.709447123631637,
              -39.109857095305415
            ],
            [
              -158.00413305111755,
              21.71848063237268,
              -39.109857095305415
            ],
            [
              -157.99446553816747,
              21.718422241469963,
              -1.909857095305409
            ],
            [
              -157.99452830479368,
              21.70938875921585,
              -1.909857095305409
            ],
            [
              -158.00419521375179,
              21.709447123631637,
              -39.109857095305415
            ]
          ]
        ]
      },
      "bbox": [
        -158.0041952,
        21.70938876,
        -39.1098571,
        -157.9944655,
        21.71848063,
        -1.909857095
      ],
      "properties": {
        "datetime": "2013-09-23T00:22:50Z",
        "pc:count": 2280388,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 603506.0691,
            "count": 2280388,
            "maximum": 603999.6816,
            "minimum": 602999.6816,
            "name": "X",
            "position": 0,
            "stddev": 278.7634861,
            "variance": 77709.08117
          },
          {
            "average": 2401334.041,
            "count": 2280388,
            "maximum": 2401998.493,
            "minimum": 2400998.493,
            "name": "Y",
            "position": 1,
            "stddev": 257.6644724,
            "variance": 66390.98033
          },
          {
            "average": -14.49016741,
            "count": 2280388,
            "maximum": -1.909857095,
            "minimum": -39.1098571,
            "name": "Z",
            "position": 2,
            "stddev": 8.751777447,
            "variance": 76.59360848
          },
          {
            "average": 127.8562876,
            "count": 2280388,
            "maximum": 8932,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 242.5791531,
            "variance": 58844.64551
          },
          {
            "average": 1.013030239,
            "count": 2280388,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1163132187,
            "variance": 0.01352876485
          },
          {
            "average": 1.017374236,
            "count": 2280388,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.1374522582,
            "variance": 0.0188931233
          },
          {
            "average": 1,
            "count": 2280388,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2280388,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2280388,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 16.53405122,
            "count": 2280388,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 7.763262535,
            "variance": 60.26824519
          },
          {
            "average": 150.5039344,
            "count": 2280388,
            "maximum": 253,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 90.06317295,
            "variance": 8111.375122
          },
          {
            "average": 7.704287604,
            "count": 2280388,
            "maximum": 10,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.200454391,
            "variance": 1.441090744
          },
          {
            "average": 63111663.73,
            "count": 2280388,
            "maximum": 63930970.15,
            "minimum": 62797180.78,
            "name": "GpsTime",
            "position": 12,
            "stddev": 506171.2631,
            "variance": 256209347600.0
          },
          {
            "average": 0,
            "count": 2280388,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2280388,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2280388,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2280388,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2280388,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          602999.6816,
          2400998.493,
          -39.1098571,
          603999.6816,
          2401998.493,
          -1.909857095
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                602999.6816439581,
                2400998.492915385,
                -39.109857095305415
              ],
              [
                602999.6816439581,
                2401998.492915385,
                -39.109857095305415
              ],
              [
                603999.6816439581,
                2401998.492915385,
                -1.909857095305409
              ],
              [
                603999.6816439581,
                2400998.492915385,
                -1.909857095305409
              ],
              [
                602999.6816439581,
                2400998.492915385,
                -39.109857095305415
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:22:50+00:00",
        "end_time": "2013-09-09T21:26:20+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0301.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0301.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0301.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0301.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0041952,
            21.70938876,
            -39.1098571,
            -157.9944655,
            21.71848063,
            -1.909857095
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.00419521375179,
                  21.709447123631637,
                  -39.109857095305415
                ],
                [
                  -158.00413305111755,
                  21.71848063237268,
                  -39.109857095305415
                ],
                [
                  -157.99446553816747,
                  21.718422241469963,
                  -1.909857095305409
                ],
                [
                  -157.99452830479368,
                  21.70938875921585,
                  -1.909857095305409
                ],
                [
                  -158.00419521375179,
                  21.709447123631637,
                  -39.109857095305415
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0301.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0301.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:22:50Z",
            "pc:count": 2280388,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 603506.0691,
                "count": 2280388,
                "maximum": 603999.6816,
                "minimum": 602999.6816,
                "name": "X",
                "position": 0,
                "stddev": 278.7634861,
                "variance": 77709.08117
              },
              {
                "average": 2401334.041,
                "count": 2280388,
                "maximum": 2401998.493,
                "minimum": 2400998.493,
                "name": "Y",
                "position": 1,
                "stddev": 257.6644724,
                "variance": 66390.98033
              },
              {
                "average": -14.49016741,
                "count": 2280388,
                "maximum": -1.909857095,
                "minimum": -39.1098571,
                "name": "Z",
                "position": 2,
                "stddev": 8.751777447,
                "variance": 76.59360848
              },
              {
                "average": 127.8562876,
                "count": 2280388,
                "maximum": 8932,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 242.5791531,
                "variance": 58844.64551
              },
              {
                "average": 1.013030239,
                "count": 2280388,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1163132187,
                "variance": 0.01352876485
              },
              {
                "average": 1.017374236,
                "count": 2280388,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.1374522582,
                "variance": 0.0188931233
              },
              {
                "average": 1,
                "count": 2280388,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2280388,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2280388,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 16.53405122,
                "count": 2280388,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 7.763262535,
                "variance": 60.26824519
              },
              {
                "average": 150.5039344,
                "count": 2280388,
                "maximum": 253,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 90.06317295,
                "variance": 8111.375122
              },
              {
                "average": 7.704287604,
                "count": 2280388,
                "maximum": 10,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.200454391,
                "variance": 1.441090744
              },
              {
                "average": 63111663.73,
                "count": 2280388,
                "maximum": 63930970.15,
                "minimum": 62797180.78,
                "name": "GpsTime",
                "position": 12,
                "stddev": 506171.2631,
                "variance": 256209347600.0
              },
              {
                "average": 0,
                "count": 2280388,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2280388,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2280388,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2280388,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2280388,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              602999.6816,
              2400998.493,
              -39.1098571,
              603999.6816,
              2401998.493,
              -1.909857095
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    602999.6816439581,
                    2400998.492915385,
                    -39.109857095305415
                  ],
                  [
                    602999.6816439581,
                    2401998.492915385,
                    -39.109857095305415
                  ],
                  [
                    603999.6816439581,
                    2401998.492915385,
                    -1.909857095305409
                  ],
                  [
                    603999.6816439581,
                    2400998.492915385,
                    -1.909857095305409
                  ],
                  [
                    602999.6816439581,
                    2400998.492915385,
                    -39.109857095305415
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:22:50+00:00",
            "end_time": "2013-09-09T21:26:20+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3464.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70749746948815,
              21.37316373413621,
              -9.26047012047141
            ],
            [
              -157.70741827006265,
              21.382196844880333,
              -9.26047012047141
            ],
            [
              -157.697773598597,
              21.38212225752715,
              61.93952987952859
            ],
            [
              -157.6978534047799,
              21.373089180359152,
              61.93952987952859
            ],
            [
              -157.70749746948815,
              21.37316373413621,
              -9.26047012047141
            ]
          ]
        ]
      },
      "bbox": [
        -157.7074975,
        21.37308918,
        -9.26047012,
        -157.6977736,
        21.38219684,
        61.93952988
      ],
      "properties": {
        "datetime": "2013-09-20T02:28:32Z",
        "pc:count": 4387079,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634454.0466,
            "count": 4387079,
            "maximum": 634999.9887,
            "minimum": 633999.9487,
            "name": "X",
            "position": 0,
            "stddev": 306.8104702,
            "variance": 94132.66463
          },
          {
            "average": 2364492.781,
            "count": 4387079,
            "maximum": 2364998.489,
            "minimum": 2363998.469,
            "name": "Y",
            "position": 1,
            "stddev": 280.0792001,
            "variance": 78444.35833
          },
          {
            "average": 0.8121059102,
            "count": 4387079,
            "maximum": 61.93952988,
            "minimum": -9.26047012,
            "name": "Z",
            "position": 2,
            "stddev": 8.583038682,
            "variance": 73.66855301
          },
          {
            "average": 19.23266574,
            "count": 4387079,
            "maximum": 8882,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 48.04620219,
            "variance": 2308.437545
          },
          {
            "average": 1.180906248,
            "count": 4387079,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.5955423064,
            "variance": 0.3546706388
          },
          {
            "average": 1.362702837,
            "count": 4387079,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.9577849793,
            "variance": 0.9173520665
          },
          {
            "average": 1,
            "count": 4387079,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4387079,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 23.08634287,
            "count": 4387079,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 11.36970711,
            "variance": 129.2702398
          },
          {
            "average": 19.99065956,
            "count": 4387079,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.959254471,
            "variance": 3.838678083
          },
          {
            "average": 88.90624194,
            "count": 4387079,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.15822484,
            "variance": 4922.176513
          },
          {
            "average": 7.436599842,
            "count": 4387079,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.048520302,
            "variance": 4.196435426
          },
          {
            "average": 63658779.91,
            "count": 4387079,
            "maximum": 63679312.9,
            "minimum": 63655043.24,
            "name": "GpsTime",
            "position": 12,
            "stddev": 4703.722012,
            "variance": 22125000.77
          },
          {
            "average": 0,
            "count": 4387079,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4387079,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4387079,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4387079,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4387079,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9487,
          2363998.469,
          -9.26047012,
          634999.9887,
          2364998.489,
          61.93952988
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.9486509624,
                2363998.469172704,
                -9.26047012047141
              ],
              [
                633999.9486509624,
                2364998.4891727036,
                -9.26047012047141
              ],
              [
                634999.9886509625,
                2364998.4891727036,
                61.93952987952859
              ],
              [
                634999.9886509625,
                2363998.469172704,
                61.93952987952859
              ],
              [
                633999.9486509624,
                2363998.469172704,
                -9.26047012047141
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:28:32+00:00",
        "end_time": "2013-09-19T19:44:03+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3464.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3464.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3464.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3464.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7074975,
            21.37308918,
            -9.26047012,
            -157.6977736,
            21.38219684,
            61.93952988
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70749746948815,
                  21.37316373413621,
                  -9.26047012047141
                ],
                [
                  -157.70741827006265,
                  21.382196844880333,
                  -9.26047012047141
                ],
                [
                  -157.697773598597,
                  21.38212225752715,
                  61.93952987952859
                ],
                [
                  -157.6978534047799,
                  21.373089180359152,
                  61.93952987952859
                ],
                [
                  -157.70749746948815,
                  21.37316373413621,
                  -9.26047012047141
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3464.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3464.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:28:32Z",
            "pc:count": 4387079,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634454.0466,
                "count": 4387079,
                "maximum": 634999.9887,
                "minimum": 633999.9487,
                "name": "X",
                "position": 0,
                "stddev": 306.8104702,
                "variance": 94132.66463
              },
              {
                "average": 2364492.781,
                "count": 4387079,
                "maximum": 2364998.489,
                "minimum": 2363998.469,
                "name": "Y",
                "position": 1,
                "stddev": 280.0792001,
                "variance": 78444.35833
              },
              {
                "average": 0.8121059102,
                "count": 4387079,
                "maximum": 61.93952988,
                "minimum": -9.26047012,
                "name": "Z",
                "position": 2,
                "stddev": 8.583038682,
                "variance": 73.66855301
              },
              {
                "average": 19.23266574,
                "count": 4387079,
                "maximum": 8882,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 48.04620219,
                "variance": 2308.437545
              },
              {
                "average": 1.180906248,
                "count": 4387079,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.5955423064,
                "variance": 0.3546706388
              },
              {
                "average": 1.362702837,
                "count": 4387079,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.9577849793,
                "variance": 0.9173520665
              },
              {
                "average": 1,
                "count": 4387079,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4387079,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 23.08634287,
                "count": 4387079,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 11.36970711,
                "variance": 129.2702398
              },
              {
                "average": 19.99065956,
                "count": 4387079,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.959254471,
                "variance": 3.838678083
              },
              {
                "average": 88.90624194,
                "count": 4387079,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.15822484,
                "variance": 4922.176513
              },
              {
                "average": 7.436599842,
                "count": 4387079,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.048520302,
                "variance": 4.196435426
              },
              {
                "average": 63658779.91,
                "count": 4387079,
                "maximum": 63679312.9,
                "minimum": 63655043.24,
                "name": "GpsTime",
                "position": 12,
                "stddev": 4703.722012,
                "variance": 22125000.77
              },
              {
                "average": 0,
                "count": 4387079,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4387079,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4387079,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4387079,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4387079,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9487,
              2363998.469,
              -9.26047012,
              634999.9887,
              2364998.489,
              61.93952988
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.9486509624,
                    2363998.469172704,
                    -9.26047012047141
                  ],
                  [
                    633999.9486509624,
                    2364998.4891727036,
                    -9.26047012047141
                  ],
                  [
                    634999.9886509625,
                    2364998.4891727036,
                    61.93952987952859
                  ],
                  [
                    634999.9886509625,
                    2363998.469172704,
                    61.93952987952859
                  ],
                  [
                    633999.9486509624,
                    2363998.469172704,
                    -9.26047012047141
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:28:32+00:00",
            "end_time": "2013-09-19T19:44:03+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0302.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -158.0041328292363,
              21.71848069732741,
              -47.71079526780903
            ],
            [
              -158.0040929546544,
              21.72427279717188,
              -47.71079526780903
            ],
            [
              -157.9944252476439,
              21.724214390440412,
              -30.53079526780903
            ],
            [
              -157.9944655096325,
              21.71842230758504,
              -30.53079526780903
            ],
            [
              -158.0041328292363,
              21.71848069732741,
              -47.71079526780903
            ]
          ]
        ]
      },
      "bbox": [
        -158.0041328,
        21.71842231,
        -47.71079527,
        -157.9944252,
        21.7242728,
        -30.53079527
      ],
      "properties": {
        "datetime": "2013-09-09T21:51:49Z",
        "pc:count": 123628,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 603657.8735,
            "count": 123628,
            "maximum": 603999.6845,
            "minimum": 602999.7045,
            "name": "X",
            "position": 0,
            "stddev": 245.316051,
            "variance": 60179.96488
          },
          {
            "average": 2402125.2,
            "count": 123628,
            "maximum": 2402639.68,
            "minimum": 2401998.5,
            "name": "Y",
            "position": 1,
            "stddev": 97.20051269,
            "variance": 9447.939668
          },
          {
            "average": -36.45441136,
            "count": 123628,
            "maximum": -30.53079527,
            "minimum": -47.71079527,
            "name": "Z",
            "position": 2,
            "stddev": 2.530483966,
            "variance": 6.403349101
          },
          {
            "average": 604.2245284,
            "count": 123628,
            "maximum": 6987,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 253.0268739,
            "variance": 64022.59891
          },
          {
            "average": 1.001520691,
            "count": 123628,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03896653546,
            "variance": 0.001518390886
          },
          {
            "average": 1.00159349,
            "count": 123628,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03988688764,
            "variance": 0.001590963806
          },
          {
            "average": 1,
            "count": 123628,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 123628,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 123628,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.3897574,
            "count": 123628,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.406970298,
            "variance": 88.49109018
          },
          {
            "average": 249.0380173,
            "count": 123628,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.194468359,
            "variance": 0.03781794264
          },
          {
            "average": 5.787151778,
            "count": 123628,
            "maximum": 8,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.024492822,
            "variance": 1.049585543
          },
          {
            "average": 62797937.5,
            "count": 123628,
            "maximum": 62798709.46,
            "minimum": 62797179.93,
            "name": "GpsTime",
            "position": 12,
            "stddev": 412.2321882,
            "variance": 169935.377
          },
          {
            "average": 0,
            "count": 123628,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 123628,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 123628,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 123628,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 123628,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          602999.7045,
          2401998.5,
          -47.71079527,
          603999.6845,
          2402639.68,
          -30.53079527
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                602999.7045479456,
                2401998.500253142,
                -47.71079526780903
              ],
              [
                602999.7045479456,
                2402639.6802531416,
                -47.71079526780903
              ],
              [
                603999.6845479456,
                2402639.6802531416,
                -30.53079526780903
              ],
              [
                603999.6845479456,
                2401998.500253142,
                -30.53079526780903
              ],
              [
                602999.7045479456,
                2401998.500253142,
                -47.71079526780903
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:51:49+00:00",
        "end_time": "2013-09-09T21:26:19+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0302.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0302.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0302.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0302.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -158.0041328,
            21.71842231,
            -47.71079527,
            -157.9944252,
            21.7242728,
            -30.53079527
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -158.0041328292363,
                  21.71848069732741,
                  -47.71079526780903
                ],
                [
                  -158.0040929546544,
                  21.72427279717188,
                  -47.71079526780903
                ],
                [
                  -157.9944252476439,
                  21.724214390440412,
                  -30.53079526780903
                ],
                [
                  -157.9944655096325,
                  21.71842230758504,
                  -30.53079526780903
                ],
                [
                  -158.0041328292363,
                  21.71848069732741,
                  -47.71079526780903
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0302.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0302.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:51:49Z",
            "pc:count": 123628,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 603657.8735,
                "count": 123628,
                "maximum": 603999.6845,
                "minimum": 602999.7045,
                "name": "X",
                "position": 0,
                "stddev": 245.316051,
                "variance": 60179.96488
              },
              {
                "average": 2402125.2,
                "count": 123628,
                "maximum": 2402639.68,
                "minimum": 2401998.5,
                "name": "Y",
                "position": 1,
                "stddev": 97.20051269,
                "variance": 9447.939668
              },
              {
                "average": -36.45441136,
                "count": 123628,
                "maximum": -30.53079527,
                "minimum": -47.71079527,
                "name": "Z",
                "position": 2,
                "stddev": 2.530483966,
                "variance": 6.403349101
              },
              {
                "average": 604.2245284,
                "count": 123628,
                "maximum": 6987,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 253.0268739,
                "variance": 64022.59891
              },
              {
                "average": 1.001520691,
                "count": 123628,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03896653546,
                "variance": 0.001518390886
              },
              {
                "average": 1.00159349,
                "count": 123628,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03988688764,
                "variance": 0.001590963806
              },
              {
                "average": 1,
                "count": 123628,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 123628,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 123628,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.3897574,
                "count": 123628,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.406970298,
                "variance": 88.49109018
              },
              {
                "average": 249.0380173,
                "count": 123628,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.194468359,
                "variance": 0.03781794264
              },
              {
                "average": 5.787151778,
                "count": 123628,
                "maximum": 8,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.024492822,
                "variance": 1.049585543
              },
              {
                "average": 62797937.5,
                "count": 123628,
                "maximum": 62798709.46,
                "minimum": 62797179.93,
                "name": "GpsTime",
                "position": 12,
                "stddev": 412.2321882,
                "variance": 169935.377
              },
              {
                "average": 0,
                "count": 123628,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 123628,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 123628,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 123628,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 123628,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              602999.7045,
              2401998.5,
              -47.71079527,
              603999.6845,
              2402639.68,
              -30.53079527
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    602999.7045479456,
                    2401998.500253142,
                    -47.71079526780903
                  ],
                  [
                    602999.7045479456,
                    2402639.6802531416,
                    -47.71079526780903
                  ],
                  [
                    603999.6845479456,
                    2402639.6802531416,
                    -30.53079526780903
                  ],
                  [
                    603999.6845479456,
                    2401998.500253142,
                    -30.53079526780903
                  ],
                  [
                    602999.7045479456,
                    2401998.500253142,
                    -47.71079526780903
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:51:49+00:00",
            "end_time": "2013-09-09T21:26:19+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130922_ncmp_hi_oahu_4qfk0400.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.99459099463675,
              21.70035528339921,
              -5.330942239679615
            ],
            [
              -157.9945282608464,
              21.709388775716146,
              -5.330942239679615
            ],
            [
              -157.98486119187743,
              21.70932984643957,
              41.74905776032038
            ],
            [
              -157.98492452938703,
              21.70029638086285,
              41.74905776032038
            ],
            [
              -157.99459099463675,
              21.70035528339921,
              -5.330942239679615
            ]
          ]
        ]
      },
      "bbox": [
        -157.994591,
        21.70029638,
        -5.33094224,
        -157.9848612,
        21.70938878,
        41.74905776
      ],
      "properties": {
        "datetime": "2013-09-23T00:46:26Z",
        "pc:count": 6501317,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 604544.3606,
            "count": 6501317,
            "maximum": 604999.7062,
            "minimum": 603999.6862,
            "name": "X",
            "position": 0,
            "stddev": 295.6961838,
            "variance": 87436.2331
          },
          {
            "average": 2400443.658,
            "count": 6501317,
            "maximum": 2400998.495,
            "minimum": 2399998.495,
            "name": "Y",
            "position": 1,
            "stddev": 244.0865571,
            "variance": 59578.24736
          },
          {
            "average": 7.608574283,
            "count": 6501317,
            "maximum": 41.74905776,
            "minimum": -5.33094224,
            "name": "Z",
            "position": 2,
            "stddev": 7.466187607,
            "variance": 55.74395739
          },
          {
            "average": 18.38203198,
            "count": 6501317,
            "maximum": 7088,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 38.04455517,
            "variance": 1447.388178
          },
          {
            "average": 1.868363133,
            "count": 6501317,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.17024772,
            "variance": 1.369479727
          },
          {
            "average": 2.735167044,
            "count": 6501317,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.711898575,
            "variance": 2.930596731
          },
          {
            "average": 1,
            "count": 6501317,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6501317,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 4.951516439,
            "count": 6501317,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 9.525656588,
            "variance": 90.73813342
          },
          {
            "average": 20.28093854,
            "count": 6501317,
            "maximum": 25.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.733223712,
            "variance": 7.470511858
          },
          {
            "average": 91.87133468,
            "count": 6501317,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.79013318,
            "variance": 4595.502157
          },
          {
            "average": 13.0338333,
            "count": 6501317,
            "maximum": 15,
            "minimum": 9,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.245664542,
            "variance": 1.551680151
          },
          {
            "average": 63931820.35,
            "count": 6501317,
            "maximum": 63932386.71,
            "minimum": 63930715.69,
            "name": "GpsTime",
            "position": 12,
            "stddev": 355.2326402,
            "variance": 126190.2287
          },
          {
            "average": 0,
            "count": 6501317,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6501317,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6501317,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6501317,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 6501317,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          603999.6862,
          2399998.495,
          -5.33094224,
          604999.7062,
          2400998.495,
          41.74905776
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                603999.686178074,
                2399998.49477139,
                -5.330942239679615
              ],
              [
                603999.686178074,
                2400998.49477139,
                -5.330942239679615
              ],
              [
                604999.706178074,
                2400998.49477139,
                41.74905776032038
              ],
              [
                604999.706178074,
                2399998.49477139,
                41.74905776032038
              ],
              [
                603999.686178074,
                2399998.49477139,
                -5.330942239679615
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:46:26+00:00",
        "end_time": "2013-09-23T00:18:35+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130922_ncmp_hi_oahu_4qfk0400.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130922_ncmp_hi_oahu_4qfk0400.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130922_ncmp_hi_oahu_4qfk0400.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfk0400.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.994591,
            21.70029638,
            -5.33094224,
            -157.9848612,
            21.70938878,
            41.74905776
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.99459099463675,
                  21.70035528339921,
                  -5.330942239679615
                ],
                [
                  -157.9945282608464,
                  21.709388775716146,
                  -5.330942239679615
                ],
                [
                  -157.98486119187743,
                  21.70932984643957,
                  41.74905776032038
                ],
                [
                  -157.98492452938703,
                  21.70029638086285,
                  41.74905776032038
                ],
                [
                  -157.99459099463675,
                  21.70035528339921,
                  -5.330942239679615
                ]
              ]
            ]
          },
          "id": "20130922_ncmp_hi_oahu_4qfk0400.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfk0400.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:46:26Z",
            "pc:count": 6501317,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 604544.3606,
                "count": 6501317,
                "maximum": 604999.7062,
                "minimum": 603999.6862,
                "name": "X",
                "position": 0,
                "stddev": 295.6961838,
                "variance": 87436.2331
              },
              {
                "average": 2400443.658,
                "count": 6501317,
                "maximum": 2400998.495,
                "minimum": 2399998.495,
                "name": "Y",
                "position": 1,
                "stddev": 244.0865571,
                "variance": 59578.24736
              },
              {
                "average": 7.608574283,
                "count": 6501317,
                "maximum": 41.74905776,
                "minimum": -5.33094224,
                "name": "Z",
                "position": 2,
                "stddev": 7.466187607,
                "variance": 55.74395739
              },
              {
                "average": 18.38203198,
                "count": 6501317,
                "maximum": 7088,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 38.04455517,
                "variance": 1447.388178
              },
              {
                "average": 1.868363133,
                "count": 6501317,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.17024772,
                "variance": 1.369479727
              },
              {
                "average": 2.735167044,
                "count": 6501317,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.711898575,
                "variance": 2.930596731
              },
              {
                "average": 1,
                "count": 6501317,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6501317,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 4.951516439,
                "count": 6501317,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 9.525656588,
                "variance": 90.73813342
              },
              {
                "average": 20.28093854,
                "count": 6501317,
                "maximum": 25.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.733223712,
                "variance": 7.470511858
              },
              {
                "average": 91.87133468,
                "count": 6501317,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.79013318,
                "variance": 4595.502157
              },
              {
                "average": 13.0338333,
                "count": 6501317,
                "maximum": 15,
                "minimum": 9,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.245664542,
                "variance": 1.551680151
              },
              {
                "average": 63931820.35,
                "count": 6501317,
                "maximum": 63932386.71,
                "minimum": 63930715.69,
                "name": "GpsTime",
                "position": 12,
                "stddev": 355.2326402,
                "variance": 126190.2287
              },
              {
                "average": 0,
                "count": 6501317,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6501317,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6501317,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6501317,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 6501317,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              603999.6862,
              2399998.495,
              -5.33094224,
              604999.7062,
              2400998.495,
              41.74905776
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    603999.686178074,
                    2399998.49477139,
                    -5.330942239679615
                  ],
                  [
                    603999.686178074,
                    2400998.49477139,
                    -5.330942239679615
                  ],
                  [
                    604999.706178074,
                    2400998.49477139,
                    41.74905776032038
                  ],
                  [
                    604999.706178074,
                    2399998.49477139,
                    41.74905776032038
                  ],
                  [
                    603999.686178074,
                    2399998.49477139,
                    -5.330942239679615
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:46:26+00:00",
            "end_time": "2013-09-23T00:18:35+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3363.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71722014109386,
              21.364204804963574,
              -5.51622231540675
            ],
            [
              -157.71714150334046,
              21.373237780950053,
              -5.51622231540675
            ],
            [
              -157.70749739415865,
              21.37316378132228,
              43.80377768459325
            ],
            [
              -157.70757662873163,
              21.364130839079923,
              43.80377768459325
            ],
            [
              -157.71722014109386,
              21.364204804963574,
              -5.51622231540675
            ]
          ]
        ]
      },
      "bbox": [
        -157.7172201,
        21.36413084,
        -5.516222315,
        -157.7074974,
        21.37323778,
        43.80377768
      ],
      "properties": {
        "datetime": "2013-09-20T20:23:28Z",
        "pc:count": 10478593,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633431.881,
            "count": 10478593,
            "maximum": 633999.9564,
            "minimum": 632999.9164,
            "name": "X",
            "position": 0,
            "stddev": 279.4650883,
            "variance": 78100.73561
          },
          {
            "average": 2363524.543,
            "count": 10478593,
            "maximum": 2363998.474,
            "minimum": 2362998.474,
            "name": "Y",
            "position": 1,
            "stddev": 297.9732739,
            "variance": 88788.07198
          },
          {
            "average": 10.06404386,
            "count": 10478593,
            "maximum": 43.80377768,
            "minimum": -5.516222315,
            "name": "Z",
            "position": 2,
            "stddev": 7.490314613,
            "variance": 56.104813
          },
          {
            "average": 11.33476584,
            "count": 10478593,
            "maximum": 6895,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 31.04785496,
            "variance": 963.9692974
          },
          {
            "average": 2.15317524,
            "count": 10478593,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.207433169,
            "variance": 1.457894858
          },
          {
            "average": 3.305413427,
            "count": 10478593,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.555668133,
            "variance": 2.42010334
          },
          {
            "average": 1,
            "count": 10478593,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10478593,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 2.305883433,
            "count": 10478593,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.624976128,
            "variance": 31.64035644
          },
          {
            "average": 20.04940836,
            "count": 10478593,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.091839051,
            "variance": 4.375790614
          },
          {
            "average": 91.214278,
            "count": 10478593,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.5586003,
            "variance": 4564.164474
          },
          {
            "average": 3.324714015,
            "count": 10478593,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.476152858,
            "variance": 2.179027261
          },
          {
            "average": 63738895.24,
            "count": 10478593,
            "maximum": 63743808.65,
            "minimum": 63678862.7,
            "name": "GpsTime",
            "position": 12,
            "stddev": 12614.52969,
            "variance": 159126359.3
          },
          {
            "average": 0,
            "count": 10478593,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10478593,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10478593,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10478593,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10478593,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9164,
          2362998.474,
          -5.516222315,
          633999.9564,
          2363998.474,
          43.80377768
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.9164187773,
                2362998.474460355,
                -5.51622231540675
              ],
              [
                632999.9164187773,
                2363998.474460355,
                -5.51622231540675
              ],
              [
                633999.9564187774,
                2363998.474460355,
                43.80377768459325
              ],
              [
                633999.9564187774,
                2362998.474460355,
                43.80377768459325
              ],
              [
                632999.9164187773,
                2362998.474460355,
                -5.51622231540675
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:23:28+00:00",
        "end_time": "2013-09-20T02:21:02+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3363.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3363.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3363.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3363.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7172201,
            21.36413084,
            -5.516222315,
            -157.7074974,
            21.37323778,
            43.80377768
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71722014109386,
                  21.364204804963574,
                  -5.51622231540675
                ],
                [
                  -157.71714150334046,
                  21.373237780950053,
                  -5.51622231540675
                ],
                [
                  -157.70749739415865,
                  21.37316378132228,
                  43.80377768459325
                ],
                [
                  -157.70757662873163,
                  21.364130839079923,
                  43.80377768459325
                ],
                [
                  -157.71722014109386,
                  21.364204804963574,
                  -5.51622231540675
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3363.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3363.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:23:28Z",
            "pc:count": 10478593,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633431.881,
                "count": 10478593,
                "maximum": 633999.9564,
                "minimum": 632999.9164,
                "name": "X",
                "position": 0,
                "stddev": 279.4650883,
                "variance": 78100.73561
              },
              {
                "average": 2363524.543,
                "count": 10478593,
                "maximum": 2363998.474,
                "minimum": 2362998.474,
                "name": "Y",
                "position": 1,
                "stddev": 297.9732739,
                "variance": 88788.07198
              },
              {
                "average": 10.06404386,
                "count": 10478593,
                "maximum": 43.80377768,
                "minimum": -5.516222315,
                "name": "Z",
                "position": 2,
                "stddev": 7.490314613,
                "variance": 56.104813
              },
              {
                "average": 11.33476584,
                "count": 10478593,
                "maximum": 6895,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 31.04785496,
                "variance": 963.9692974
              },
              {
                "average": 2.15317524,
                "count": 10478593,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.207433169,
                "variance": 1.457894858
              },
              {
                "average": 3.305413427,
                "count": 10478593,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.555668133,
                "variance": 2.42010334
              },
              {
                "average": 1,
                "count": 10478593,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10478593,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 2.305883433,
                "count": 10478593,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.624976128,
                "variance": 31.64035644
              },
              {
                "average": 20.04940836,
                "count": 10478593,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.091839051,
                "variance": 4.375790614
              },
              {
                "average": 91.214278,
                "count": 10478593,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.5586003,
                "variance": 4564.164474
              },
              {
                "average": 3.324714015,
                "count": 10478593,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.476152858,
                "variance": 2.179027261
              },
              {
                "average": 63738895.24,
                "count": 10478593,
                "maximum": 63743808.65,
                "minimum": 63678862.7,
                "name": "GpsTime",
                "position": 12,
                "stddev": 12614.52969,
                "variance": 159126359.3
              },
              {
                "average": 0,
                "count": 10478593,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10478593,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10478593,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10478593,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10478593,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9164,
              2362998.474,
              -5.516222315,
              633999.9564,
              2363998.474,
              43.80377768
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.9164187773,
                    2362998.474460355,
                    -5.51622231540675
                  ],
                  [
                    632999.9164187773,
                    2363998.474460355,
                    -5.51622231540675
                  ],
                  [
                    633999.9564187774,
                    2363998.474460355,
                    43.80377768459325
                  ],
                  [
                    633999.9564187774,
                    2362998.474460355,
                    43.80377768459325
                  ],
                  [
                    632999.9164187773,
                    2362998.474460355,
                    -5.51622231540675
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:23:28+00:00",
            "end_time": "2013-09-20T02:21:02+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3465.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70741828385,
              21.382196827305723,
              -6.782358946203331
            ],
            [
              -157.70733896170847,
              21.391229748617103,
              -6.782358946203331
            ],
            [
              -157.69769369478232,
              21.39115512722437,
              52.21764105379667
            ],
            [
              -157.69777361238545,
              21.382122239953386,
              52.21764105379667
            ],
            [
              -157.70741828385,
              21.382196827305723,
              -6.782358946203331
            ]
          ]
        ]
      },
      "bbox": [
        -157.7074183,
        21.38212224,
        -6.782358946,
        -157.6976937,
        21.39122975,
        52.21764105
      ],
      "properties": {
        "datetime": "2013-09-19T20:30:42Z",
        "pc:count": 3901088,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634526.2299,
            "count": 3901088,
            "maximum": 634999.9872,
            "minimum": 633999.9472,
            "name": "X",
            "position": 0,
            "stddev": 290.855946,
            "variance": 84597.18134
          },
          {
            "average": 2365495.199,
            "count": 3901088,
            "maximum": 2365998.487,
            "minimum": 2364998.487,
            "name": "Y",
            "position": 1,
            "stddev": 293.0529774,
            "variance": 85880.04756
          },
          {
            "average": -1.608535433,
            "count": 3901088,
            "maximum": 52.21764105,
            "minimum": -6.782358946,
            "name": "Z",
            "position": 2,
            "stddev": 3.381964382,
            "variance": 11.43768308
          },
          {
            "average": 11.91314321,
            "count": 3901088,
            "maximum": 8954,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.59613948,
            "variance": 1339.277425
          },
          {
            "average": 1.053704761,
            "count": 3901088,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2327563862,
            "variance": 0.05417553532
          },
          {
            "average": 1.106564117,
            "count": 3901088,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3254663113,
            "variance": 0.1059283198
          },
          {
            "average": 1,
            "count": 3901088,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3901088,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.05284833,
            "count": 3901088,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 5.035417868,
            "variance": 25.35543311
          },
          {
            "average": 19.98168531,
            "count": 3901088,
            "maximum": 34.9980011,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.309234392,
            "variance": 10.95103226
          },
          {
            "average": 88.53209361,
            "count": 3901088,
            "maximum": 251,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 70.76261114,
            "variance": 5007.347136
          },
          {
            "average": 5.792922385,
            "count": 3901088,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.59215524,
            "variance": 2.534958309
          },
          {
            "average": 63632961.7,
            "count": 3901088,
            "maximum": 63657842.43,
            "minimum": 63591735.84,
            "name": "GpsTime",
            "position": 12,
            "stddev": 29599.72399,
            "variance": 876143660.1
          },
          {
            "average": 0,
            "count": 3901088,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3901088,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3901088,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3901088,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3901088,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9472,
          2364998.487,
          -6.782358946,
          634999.9872,
          2365998.487,
          52.21764105
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.9472374736,
                2364998.4872154593,
                -6.782358946203331
              ],
              [
                633999.9472374736,
                2365998.4872154593,
                -6.782358946203331
              ],
              [
                634999.9872374736,
                2365998.4872154593,
                52.21764105379667
              ],
              [
                634999.9872374736,
                2364998.4872154593,
                52.21764105379667
              ],
              [
                633999.9472374736,
                2364998.4872154593,
                -6.782358946203331
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T20:30:42+00:00",
        "end_time": "2013-09-19T02:08:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3465.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3465.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3465.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3465.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7074183,
            21.38212224,
            -6.782358946,
            -157.6976937,
            21.39122975,
            52.21764105
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70741828385,
                  21.382196827305723,
                  -6.782358946203331
                ],
                [
                  -157.70733896170847,
                  21.391229748617103,
                  -6.782358946203331
                ],
                [
                  -157.69769369478232,
                  21.39115512722437,
                  52.21764105379667
                ],
                [
                  -157.69777361238545,
                  21.382122239953386,
                  52.21764105379667
                ],
                [
                  -157.70741828385,
                  21.382196827305723,
                  -6.782358946203331
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3465.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3465.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T20:30:42Z",
            "pc:count": 3901088,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634526.2299,
                "count": 3901088,
                "maximum": 634999.9872,
                "minimum": 633999.9472,
                "name": "X",
                "position": 0,
                "stddev": 290.855946,
                "variance": 84597.18134
              },
              {
                "average": 2365495.199,
                "count": 3901088,
                "maximum": 2365998.487,
                "minimum": 2364998.487,
                "name": "Y",
                "position": 1,
                "stddev": 293.0529774,
                "variance": 85880.04756
              },
              {
                "average": -1.608535433,
                "count": 3901088,
                "maximum": 52.21764105,
                "minimum": -6.782358946,
                "name": "Z",
                "position": 2,
                "stddev": 3.381964382,
                "variance": 11.43768308
              },
              {
                "average": 11.91314321,
                "count": 3901088,
                "maximum": 8954,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.59613948,
                "variance": 1339.277425
              },
              {
                "average": 1.053704761,
                "count": 3901088,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2327563862,
                "variance": 0.05417553532
              },
              {
                "average": 1.106564117,
                "count": 3901088,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3254663113,
                "variance": 0.1059283198
              },
              {
                "average": 1,
                "count": 3901088,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3901088,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.05284833,
                "count": 3901088,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 5.035417868,
                "variance": 25.35543311
              },
              {
                "average": 19.98168531,
                "count": 3901088,
                "maximum": 34.9980011,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.309234392,
                "variance": 10.95103226
              },
              {
                "average": 88.53209361,
                "count": 3901088,
                "maximum": 251,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 70.76261114,
                "variance": 5007.347136
              },
              {
                "average": 5.792922385,
                "count": 3901088,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.59215524,
                "variance": 2.534958309
              },
              {
                "average": 63632961.7,
                "count": 3901088,
                "maximum": 63657842.43,
                "minimum": 63591735.84,
                "name": "GpsTime",
                "position": 12,
                "stddev": 29599.72399,
                "variance": 876143660.1
              },
              {
                "average": 0,
                "count": 3901088,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3901088,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3901088,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3901088,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3901088,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9472,
              2364998.487,
              -6.782358946,
              634999.9872,
              2365998.487,
              52.21764105
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.9472374736,
                    2364998.4872154593,
                    -6.782358946203331
                  ],
                  [
                    633999.9472374736,
                    2365998.4872154593,
                    -6.782358946203331
                  ],
                  [
                    634999.9872374736,
                    2365998.4872154593,
                    52.21764105379667
                  ],
                  [
                    634999.9872374736,
                    2364998.4872154593,
                    52.21764105379667
                  ],
                  [
                    633999.9472374736,
                    2364998.4872154593,
                    -6.782358946203331
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T20:30:42+00:00",
            "end_time": "2013-09-19T02:08:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3466.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70733897806548,
              21.391229719899492,
              -12.44048258462287
            ],
            [
              -157.70725960541247,
              21.400262630880544,
              -12.44048258462287
            ],
            [
              -157.6976137444007,
              21.400187975413637,
              68.83951741537713
            ],
            [
              -157.6976937111411,
              21.391155098507795,
              68.83951741537713
            ],
            [
              -157.70733897806548,
              21.391229719899492,
              -12.44048258462287
            ]
          ]
        ]
      },
      "bbox": [
        -157.707339,
        21.3911551,
        -12.44048258,
        -157.6976137,
        21.40026263,
        68.83951742
      ],
      "properties": {
        "datetime": "2013-09-19T19:44:28Z",
        "pc:count": 2721400,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634396.8604,
            "count": 2721400,
            "maximum": 634999.9856,
            "minimum": 633999.9456,
            "name": "X",
            "position": 0,
            "stddev": 274.6799071,
            "variance": 75449.05139
          },
          {
            "average": 2366381.188,
            "count": 2721400,
            "maximum": 2366998.484,
            "minimum": 2365998.484,
            "name": "Y",
            "position": 1,
            "stddev": 250.8552502,
            "variance": 62928.35657
          },
          {
            "average": -2.977313433,
            "count": 2721400,
            "maximum": 68.83951742,
            "minimum": -12.44048258,
            "name": "Z",
            "position": 2,
            "stddev": 8.959664127,
            "variance": 80.27558128
          },
          {
            "average": 8.562543176,
            "count": 2721400,
            "maximum": 4399,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.14676441,
            "variance": 535.7727025
          },
          {
            "average": 1.072829793,
            "count": 2721400,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.278785098,
            "variance": 0.07772113084
          },
          {
            "average": 1.150471081,
            "count": 2721400,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.4015071634,
            "variance": 0.1612080022
          },
          {
            "average": 1,
            "count": 2721400,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2721400,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.94696223,
            "count": 2721400,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.263586481,
            "variance": 52.75968856
          },
          {
            "average": 19.68582436,
            "count": 2721400,
            "maximum": 28.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.176586167,
            "variance": 10.09069968
          },
          {
            "average": 96.61608731,
            "count": 2721400,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.81358204,
            "variance": 4735.309074
          },
          {
            "average": 4.971756449,
            "count": 2721400,
            "maximum": 8,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.625486341,
            "variance": 6.893178525
          },
          {
            "average": 63595366.45,
            "count": 2721400,
            "maximum": 63655068.68,
            "minimum": 63591737.48,
            "name": "GpsTime",
            "position": 12,
            "stddev": 10489.82221,
            "variance": 110036370
          },
          {
            "average": 0,
            "count": 2721400,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2721400,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2721400,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2721400,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2721400,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9456,
          2365998.484,
          -12.44048258,
          634999.9856,
          2366998.484,
          68.83951742
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.9455678205,
                2365998.4840225,
                -12.44048258462287
              ],
              [
                633999.9455678205,
                2366998.4840225,
                -12.44048258462287
              ],
              [
                634999.9855678205,
                2366998.4840225,
                68.83951741537713
              ],
              [
                634999.9855678205,
                2365998.4840225,
                68.83951741537713
              ],
              [
                633999.9455678205,
                2365998.4840225,
                -12.44048258462287
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T19:44:28+00:00",
        "end_time": "2013-09-19T02:08:57+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3466.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3466.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3466.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3466.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.707339,
            21.3911551,
            -12.44048258,
            -157.6976137,
            21.40026263,
            68.83951742
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70733897806548,
                  21.391229719899492,
                  -12.44048258462287
                ],
                [
                  -157.70725960541247,
                  21.400262630880544,
                  -12.44048258462287
                ],
                [
                  -157.6976137444007,
                  21.400187975413637,
                  68.83951741537713
                ],
                [
                  -157.6976937111411,
                  21.391155098507795,
                  68.83951741537713
                ],
                [
                  -157.70733897806548,
                  21.391229719899492,
                  -12.44048258462287
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3466.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3466.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T19:44:28Z",
            "pc:count": 2721400,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634396.8604,
                "count": 2721400,
                "maximum": 634999.9856,
                "minimum": 633999.9456,
                "name": "X",
                "position": 0,
                "stddev": 274.6799071,
                "variance": 75449.05139
              },
              {
                "average": 2366381.188,
                "count": 2721400,
                "maximum": 2366998.484,
                "minimum": 2365998.484,
                "name": "Y",
                "position": 1,
                "stddev": 250.8552502,
                "variance": 62928.35657
              },
              {
                "average": -2.977313433,
                "count": 2721400,
                "maximum": 68.83951742,
                "minimum": -12.44048258,
                "name": "Z",
                "position": 2,
                "stddev": 8.959664127,
                "variance": 80.27558128
              },
              {
                "average": 8.562543176,
                "count": 2721400,
                "maximum": 4399,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.14676441,
                "variance": 535.7727025
              },
              {
                "average": 1.072829793,
                "count": 2721400,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.278785098,
                "variance": 0.07772113084
              },
              {
                "average": 1.150471081,
                "count": 2721400,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.4015071634,
                "variance": 0.1612080022
              },
              {
                "average": 1,
                "count": 2721400,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2721400,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.94696223,
                "count": 2721400,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.263586481,
                "variance": 52.75968856
              },
              {
                "average": 19.68582436,
                "count": 2721400,
                "maximum": 28.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.176586167,
                "variance": 10.09069968
              },
              {
                "average": 96.61608731,
                "count": 2721400,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.81358204,
                "variance": 4735.309074
              },
              {
                "average": 4.971756449,
                "count": 2721400,
                "maximum": 8,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.625486341,
                "variance": 6.893178525
              },
              {
                "average": 63595366.45,
                "count": 2721400,
                "maximum": 63655068.68,
                "minimum": 63591737.48,
                "name": "GpsTime",
                "position": 12,
                "stddev": 10489.82221,
                "variance": 110036370
              },
              {
                "average": 0,
                "count": 2721400,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2721400,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2721400,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2721400,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2721400,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9456,
              2365998.484,
              -12.44048258,
              634999.9856,
              2366998.484,
              68.83951742
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.9455678205,
                    2365998.4840225,
                    -12.44048258462287
                  ],
                  [
                    633999.9455678205,
                    2366998.4840225,
                    -12.44048258462287
                  ],
                  [
                    634999.9855678205,
                    2366998.4840225,
                    68.83951741537713
                  ],
                  [
                    634999.9855678205,
                    2365998.4840225,
                    68.83951741537713
                  ],
                  [
                    633999.9455678205,
                    2365998.4840225,
                    -12.44048258462287
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T19:44:28+00:00",
            "end_time": "2013-09-19T02:08:57+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0401.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9945282074737,
              21.709388803622044,
              -35.2106273370939
            ],
            [
              -157.99446544084125,
              21.71842228587584,
              -35.2106273370939
            ],
            [
              -157.98479796120736,
              21.71836333103253,
              0.589372662906108
            ],
            [
              -157.9848613318402,
              21.709329875526482,
              0.589372662906108
            ],
            [
              -157.9945282074737,
              21.709388803622044,
              -35.2106273370939
            ]
          ]
        ]
      },
      "bbox": [
        -157.9945282,
        21.70932988,
        -35.21062734,
        -157.984798,
        21.71842229,
        0.5893726629
      ],
      "properties": {
        "datetime": "2013-09-23T00:27:21Z",
        "pc:count": 1526871,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 604538.4754,
            "count": 1526871,
            "maximum": 604999.6917,
            "minimum": 603999.6917,
            "name": "X",
            "position": 0,
            "stddev": 303.0902829,
            "variance": 91863.71956
          },
          {
            "average": 2401352.345,
            "count": 1526871,
            "maximum": 2401998.498,
            "minimum": 2400998.498,
            "name": "Y",
            "position": 1,
            "stddev": 261.9466954,
            "variance": 68616.07121
          },
          {
            "average": -8.947630437,
            "count": 1526871,
            "maximum": 0.5893726629,
            "minimum": -35.21062734,
            "name": "Z",
            "position": 2,
            "stddev": 8.309348028,
            "variance": 69.04526465
          },
          {
            "average": 45.33592753,
            "count": 1526871,
            "maximum": 8910,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 116.509983,
            "variance": 13574.57615
          },
          {
            "average": 1.04069237,
            "count": 1526871,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2029466236,
            "variance": 0.04118733203
          },
          {
            "average": 1.045728159,
            "count": 1526871,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2155151795,
            "variance": 0.04644679259
          },
          {
            "average": 1,
            "count": 1526871,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1526871,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 1526871,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.76571365,
            "count": 1526871,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.259601781,
            "variance": 27.6634109
          },
          {
            "average": 138.0177566,
            "count": 1526871,
            "maximum": 254,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 88.70862083,
            "variance": 7869.21941
          },
          {
            "average": 8.953579575,
            "count": 1526871,
            "maximum": 11,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.31917252,
            "variance": 1.740216137
          },
          {
            "average": 63802847.22,
            "count": 1526871,
            "maximum": 63931241.2,
            "minimum": 62798490.23,
            "name": "GpsTime",
            "position": 12,
            "stddev": 358266.7924,
            "variance": 128355094500.0
          },
          {
            "average": 0,
            "count": 1526871,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1526871,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1526871,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1526871,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 1526871,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          603999.6917,
          2400998.498,
          -35.21062734,
          604999.6917,
          2401998.498,
          0.5893726629
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                603999.6916789757,
                2400998.497896264,
                -35.2106273370939
              ],
              [
                603999.6916789757,
                2401998.497896264,
                -35.2106273370939
              ],
              [
                604999.6916789757,
                2401998.497896264,
                0.589372662906108
              ],
              [
                604999.6916789757,
                2400998.497896264,
                0.589372662906108
              ],
              [
                603999.6916789757,
                2400998.497896264,
                -35.2106273370939
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:27:21+00:00",
        "end_time": "2013-09-09T21:48:10+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0401.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0401.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0401.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0401.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9945282,
            21.70932988,
            -35.21062734,
            -157.984798,
            21.71842229,
            0.5893726629
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9945282074737,
                  21.709388803622044,
                  -35.2106273370939
                ],
                [
                  -157.99446544084125,
                  21.71842228587584,
                  -35.2106273370939
                ],
                [
                  -157.98479796120736,
                  21.71836333103253,
                  0.589372662906108
                ],
                [
                  -157.9848613318402,
                  21.709329875526482,
                  0.589372662906108
                ],
                [
                  -157.9945282074737,
                  21.709388803622044,
                  -35.2106273370939
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0401.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0401.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:27:21Z",
            "pc:count": 1526871,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 604538.4754,
                "count": 1526871,
                "maximum": 604999.6917,
                "minimum": 603999.6917,
                "name": "X",
                "position": 0,
                "stddev": 303.0902829,
                "variance": 91863.71956
              },
              {
                "average": 2401352.345,
                "count": 1526871,
                "maximum": 2401998.498,
                "minimum": 2400998.498,
                "name": "Y",
                "position": 1,
                "stddev": 261.9466954,
                "variance": 68616.07121
              },
              {
                "average": -8.947630437,
                "count": 1526871,
                "maximum": 0.5893726629,
                "minimum": -35.21062734,
                "name": "Z",
                "position": 2,
                "stddev": 8.309348028,
                "variance": 69.04526465
              },
              {
                "average": 45.33592753,
                "count": 1526871,
                "maximum": 8910,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 116.509983,
                "variance": 13574.57615
              },
              {
                "average": 1.04069237,
                "count": 1526871,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2029466236,
                "variance": 0.04118733203
              },
              {
                "average": 1.045728159,
                "count": 1526871,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2155151795,
                "variance": 0.04644679259
              },
              {
                "average": 1,
                "count": 1526871,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1526871,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 1526871,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.76571365,
                "count": 1526871,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.259601781,
                "variance": 27.6634109
              },
              {
                "average": 138.0177566,
                "count": 1526871,
                "maximum": 254,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 88.70862083,
                "variance": 7869.21941
              },
              {
                "average": 8.953579575,
                "count": 1526871,
                "maximum": 11,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.31917252,
                "variance": 1.740216137
              },
              {
                "average": 63802847.22,
                "count": 1526871,
                "maximum": 63931241.2,
                "minimum": 62798490.23,
                "name": "GpsTime",
                "position": 12,
                "stddev": 358266.7924,
                "variance": 128355094500.0
              },
              {
                "average": 0,
                "count": 1526871,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1526871,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1526871,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1526871,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 1526871,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              603999.6917,
              2400998.498,
              -35.21062734,
              604999.6917,
              2401998.498,
              0.5893726629
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    603999.6916789757,
                    2400998.497896264,
                    -35.2106273370939
                  ],
                  [
                    603999.6916789757,
                    2401998.497896264,
                    -35.2106273370939
                  ],
                  [
                    604999.6916789757,
                    2401998.497896264,
                    0.589372662906108
                  ],
                  [
                    604999.6916789757,
                    2400998.497896264,
                    0.589372662906108
                  ],
                  [
                    603999.6916789757,
                    2400998.497896264,
                    -35.2106273370939
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:27:21+00:00",
            "end_time": "2013-09-09T21:48:10+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3467.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.70725956979194,
              21.400262673570367,
              -11.974124343349297
            ],
            [
              -157.70723772710755,
              21.40274744491072,
              -11.974124343349297
            ],
            [
              -157.70492836426132,
              21.402729619911565,
              -7.514124343349296
            ],
            [
              -157.70495024600515,
              21.40024485081011,
              -7.514124343349296
            ],
            [
              -157.70725956979194,
              21.400262673570367,
              -11.974124343349297
            ]
          ]
        ]
      },
      "bbox": [
        -157.7072596,
        21.40024485,
        -11.97412434,
        -157.7049284,
        21.40274744,
        -7.514124343
      ],
      "properties": {
        "datetime": "2013-09-19T02:43:58Z",
        "pc:count": 41043,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 634075.1761,
            "count": 41043,
            "maximum": 634239.3692,
            "minimum": 633999.9492,
            "name": "X",
            "position": 0,
            "stddev": 57.00518769,
            "variance": 3249.591424
          },
          {
            "average": 2367073.261,
            "count": 41043,
            "maximum": 2367273.569,
            "minimum": 2366998.489,
            "name": "Y",
            "position": 1,
            "stddev": 62.71894237,
            "variance": 3933.665732
          },
          {
            "average": -9.637637244,
            "count": 41043,
            "maximum": -7.514124343,
            "minimum": -11.97412434,
            "name": "Z",
            "position": 2,
            "stddev": 0.8534173973,
            "variance": 0.7283212541
          },
          {
            "average": 20.6485637,
            "count": 41043,
            "maximum": 99,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 29.07120661,
            "variance": 845.1350539
          },
          {
            "average": 1.006407914,
            "count": 41043,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.07979352997,
            "variance": 0.006367007424
          },
          {
            "average": 1.007650513,
            "count": 41043,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.08713304488,
            "variance": 0.00759216751
          },
          {
            "average": 1,
            "count": 41043,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 41043,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 41043,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 18.15693159,
            "count": 41043,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.453783688,
            "variance": 11.92862177
          },
          {
            "average": 161.8567113,
            "count": 41043,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 80.61385848,
            "variance": 6498.59418
          },
          {
            "average": 1.728504252,
            "count": 41043,
            "maximum": 6,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.764051766,
            "variance": 3.111878633
          },
          {
            "average": 63592063.48,
            "count": 41043,
            "maximum": 63593838.97,
            "minimum": 63591757.16,
            "name": "GpsTime",
            "position": 12,
            "stddev": 732.6444307,
            "variance": 536767.8618
          },
          {
            "average": 0,
            "count": 41043,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 41043,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 41043,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 41043,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 41043,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          633999.9492,
          2366998.489,
          -11.97412434,
          634239.3692,
          2367273.569,
          -7.514124343
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                633999.949221638,
                2366998.4887786186,
                -11.974124343349297
              ],
              [
                633999.949221638,
                2367273.5687786187,
                -11.974124343349297
              ],
              [
                634239.369221638,
                2367273.5687786187,
                -7.514124343349296
              ],
              [
                634239.369221638,
                2366998.4887786186,
                -7.514124343349296
              ],
              [
                633999.949221638,
                2366998.4887786186,
                -11.974124343349297
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-19T02:43:58+00:00",
        "end_time": "2013-09-19T02:09:17+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3467.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3467.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3467.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3467.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7072596,
            21.40024485,
            -11.97412434,
            -157.7049284,
            21.40274744,
            -7.514124343
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.70725956979194,
                  21.400262673570367,
                  -11.974124343349297
                ],
                [
                  -157.70723772710755,
                  21.40274744491072,
                  -11.974124343349297
                ],
                [
                  -157.70492836426132,
                  21.402729619911565,
                  -7.514124343349296
                ],
                [
                  -157.70495024600515,
                  21.40024485081011,
                  -7.514124343349296
                ],
                [
                  -157.70725956979194,
                  21.400262673570367,
                  -11.974124343349297
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3467.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3467.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-19T02:43:58Z",
            "pc:count": 41043,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 634075.1761,
                "count": 41043,
                "maximum": 634239.3692,
                "minimum": 633999.9492,
                "name": "X",
                "position": 0,
                "stddev": 57.00518769,
                "variance": 3249.591424
              },
              {
                "average": 2367073.261,
                "count": 41043,
                "maximum": 2367273.569,
                "minimum": 2366998.489,
                "name": "Y",
                "position": 1,
                "stddev": 62.71894237,
                "variance": 3933.665732
              },
              {
                "average": -9.637637244,
                "count": 41043,
                "maximum": -7.514124343,
                "minimum": -11.97412434,
                "name": "Z",
                "position": 2,
                "stddev": 0.8534173973,
                "variance": 0.7283212541
              },
              {
                "average": 20.6485637,
                "count": 41043,
                "maximum": 99,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 29.07120661,
                "variance": 845.1350539
              },
              {
                "average": 1.006407914,
                "count": 41043,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.07979352997,
                "variance": 0.006367007424
              },
              {
                "average": 1.007650513,
                "count": 41043,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.08713304488,
                "variance": 0.00759216751
              },
              {
                "average": 1,
                "count": 41043,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 41043,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 41043,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 18.15693159,
                "count": 41043,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.453783688,
                "variance": 11.92862177
              },
              {
                "average": 161.8567113,
                "count": 41043,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 80.61385848,
                "variance": 6498.59418
              },
              {
                "average": 1.728504252,
                "count": 41043,
                "maximum": 6,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.764051766,
                "variance": 3.111878633
              },
              {
                "average": 63592063.48,
                "count": 41043,
                "maximum": 63593838.97,
                "minimum": 63591757.16,
                "name": "GpsTime",
                "position": 12,
                "stddev": 732.6444307,
                "variance": 536767.8618
              },
              {
                "average": 0,
                "count": 41043,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 41043,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 41043,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 41043,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 41043,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              633999.9492,
              2366998.489,
              -11.97412434,
              634239.3692,
              2367273.569,
              -7.514124343
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    633999.949221638,
                    2366998.4887786186,
                    -11.974124343349297
                  ],
                  [
                    633999.949221638,
                    2367273.5687786187,
                    -11.974124343349297
                  ],
                  [
                    634239.369221638,
                    2367273.5687786187,
                    -7.514124343349296
                  ],
                  [
                    634239.369221638,
                    2366998.4887786186,
                    -7.514124343349296
                  ],
                  [
                    633999.949221638,
                    2366998.4887786186,
                    -11.974124343349297
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-19T02:43:58+00:00",
            "end_time": "2013-09-19T02:09:17+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0402.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.99446543672937,
              21.71842233653715,
              -52.29583190532618
            ],
            [
              -157.99440305310404,
              21.727396187402338,
              -52.29583190532618
            ],
            [
              -157.98473497297616,
              21.72733720602499,
              -29.23583190532618
            ],
            [
              -157.98479795709207,
              21.718363381693475,
              -29.23583190532618
            ],
            [
              -157.99446543672937,
              21.71842233653715,
              -52.29583190532618
            ]
          ]
        ]
      },
      "bbox": [
        -157.9944654,
        21.71836338,
        -52.29583191,
        -157.984735,
        21.72739619,
        -29.23583191
      ],
      "properties": {
        "datetime": "2013-09-23T00:10:25Z",
        "pc:count": 210318,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 604455.0186,
            "count": 210318,
            "maximum": 604999.6921,
            "minimum": 603999.6921,
            "name": "X",
            "position": 0,
            "stddev": 283.0355295,
            "variance": 80109.11094
          },
          {
            "average": 2402208.44,
            "count": 210318,
            "maximum": 2402991.904,
            "minimum": 2401998.504,
            "name": "Y",
            "position": 1,
            "stddev": 156.9262455,
            "variance": 24625.84652
          },
          {
            "average": -36.08428354,
            "count": 210318,
            "maximum": -29.23583191,
            "minimum": -52.29583191,
            "name": "Z",
            "position": 2,
            "stddev": 3.026380445,
            "variance": 9.158978596
          },
          {
            "average": 664.2495935,
            "count": 210318,
            "maximum": 8763,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 323.1773276,
            "variance": 104443.5851
          },
          {
            "average": 1.001397883,
            "count": 210318,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03736222377,
            "variance": 0.001395935765
          },
          {
            "average": 1.001531015,
            "count": 210318,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03909831455,
            "variance": 0.001528678201
          },
          {
            "average": 1,
            "count": 210318,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 210318,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 210318,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 10.32253528,
            "count": 210318,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.631903867,
            "variance": 92.77357211
          },
          {
            "average": 249.0324033,
            "count": 210318,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1799986874,
            "variance": 0.03239952748
          },
          {
            "average": 7.846161527,
            "count": 210318,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.070900848,
            "variance": 1.146828626
          },
          {
            "average": 62957714.3,
            "count": 210318,
            "maximum": 63930225.9,
            "minimum": 62797913.58,
            "name": "GpsTime",
            "position": 12,
            "stddev": 393019.0195,
            "variance": 154463949700.0
          },
          {
            "average": 0,
            "count": 210318,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 210318,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 210318,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 210318,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 210318,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          603999.6921,
          2401998.504,
          -52.29583191,
          604999.6921,
          2402991.904,
          -29.23583191
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                603999.6920678739,
                2401998.5035069645,
                -52.29583190532618
              ],
              [
                603999.6920678739,
                2402991.903506965,
                -52.29583190532618
              ],
              [
                604999.6920678739,
                2402991.903506965,
                -29.23583190532618
              ],
              [
                604999.6920678739,
                2401998.5035069645,
                -29.23583190532618
              ],
              [
                603999.6920678739,
                2401998.5035069645,
                -52.29583190532618
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:10:25+00:00",
        "end_time": "2013-09-09T21:38:33+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0402.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0402.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0402.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0402.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9944654,
            21.71836338,
            -52.29583191,
            -157.984735,
            21.72739619,
            -29.23583191
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.99446543672937,
                  21.71842233653715,
                  -52.29583190532618
                ],
                [
                  -157.99440305310404,
                  21.727396187402338,
                  -52.29583190532618
                ],
                [
                  -157.98473497297616,
                  21.72733720602499,
                  -29.23583190532618
                ],
                [
                  -157.98479795709207,
                  21.718363381693475,
                  -29.23583190532618
                ],
                [
                  -157.99446543672937,
                  21.71842233653715,
                  -52.29583190532618
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0402.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0402.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:10:25Z",
            "pc:count": 210318,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 604455.0186,
                "count": 210318,
                "maximum": 604999.6921,
                "minimum": 603999.6921,
                "name": "X",
                "position": 0,
                "stddev": 283.0355295,
                "variance": 80109.11094
              },
              {
                "average": 2402208.44,
                "count": 210318,
                "maximum": 2402991.904,
                "minimum": 2401998.504,
                "name": "Y",
                "position": 1,
                "stddev": 156.9262455,
                "variance": 24625.84652
              },
              {
                "average": -36.08428354,
                "count": 210318,
                "maximum": -29.23583191,
                "minimum": -52.29583191,
                "name": "Z",
                "position": 2,
                "stddev": 3.026380445,
                "variance": 9.158978596
              },
              {
                "average": 664.2495935,
                "count": 210318,
                "maximum": 8763,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 323.1773276,
                "variance": 104443.5851
              },
              {
                "average": 1.001397883,
                "count": 210318,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03736222377,
                "variance": 0.001395935765
              },
              {
                "average": 1.001531015,
                "count": 210318,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03909831455,
                "variance": 0.001528678201
              },
              {
                "average": 1,
                "count": 210318,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 210318,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 210318,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 10.32253528,
                "count": 210318,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.631903867,
                "variance": 92.77357211
              },
              {
                "average": 249.0324033,
                "count": 210318,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1799986874,
                "variance": 0.03239952748
              },
              {
                "average": 7.846161527,
                "count": 210318,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.070900848,
                "variance": 1.146828626
              },
              {
                "average": 62957714.3,
                "count": 210318,
                "maximum": 63930225.9,
                "minimum": 62797913.58,
                "name": "GpsTime",
                "position": 12,
                "stddev": 393019.0195,
                "variance": 154463949700.0
              },
              {
                "average": 0,
                "count": 210318,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 210318,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 210318,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 210318,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 210318,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              603999.6921,
              2401998.504,
              -52.29583191,
              604999.6921,
              2402991.904,
              -29.23583191
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    603999.6920678739,
                    2401998.5035069645,
                    -52.29583190532618
                  ],
                  [
                    603999.6920678739,
                    2402991.903506965,
                    -52.29583190532618
                  ],
                  [
                    604999.6920678739,
                    2402991.903506965,
                    -29.23583190532618
                  ],
                  [
                    604999.6920678739,
                    2401998.5035069645,
                    -29.23583190532618
                  ],
                  [
                    603999.6920678739,
                    2401998.5035069645,
                    -52.29583190532618
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:10:25+00:00",
            "end_time": "2013-09-09T21:38:33+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0403.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.98575395254147,
              21.727412930013333,
              -53.62501051659709
            ],
            [
              -157.9857489295153,
              21.728129101362402,
              -53.62501051659709
            ],
            [
              -157.98473455060048,
              21.728122886331334,
              -51.205010516597085
            ],
            [
              -157.9847395786545,
              21.727406715205834,
              -51.205010516597085
            ],
            [
              -157.98575395254147,
              21.727412930013333,
              -53.62501051659709
            ]
          ]
        ]
      },
      "bbox": [
        -157.985754,
        21.72740672,
        -53.62501052,
        -157.9847346,
        21.7281291,
        -51.20501052
      ],
      "properties": {
        "datetime": "2013-09-09T21:51:29Z",
        "pc:count": 30,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 604958.5812,
            "count": 30,
            "maximum": 604999.1652,
            "minimum": 604894.2452,
            "name": "X",
            "position": 0,
            "stddev": 32.72616865,
            "variance": 1071.002114
          },
          {
            "average": 2403033.576,
            "count": 30,
            "maximum": 2403078.875,
            "minimum": 2402999.595,
            "name": "Y",
            "position": 1,
            "stddev": 25.84545591,
            "variance": 667.9875913
          },
          {
            "average": -52.27701052,
            "count": 30,
            "maximum": -51.20501052,
            "minimum": -53.62501052,
            "name": "Z",
            "position": 2,
            "stddev": 0.6455705843,
            "variance": 0.4167613793
          },
          {
            "average": 0,
            "count": 30,
            "maximum": 0,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 30,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 30,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 30,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 30,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 30,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.400200081,
            "count": 30,
            "maximum": 22.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 10.25087264,
            "variance": 105.0803898
          },
          {
            "average": 249,
            "count": 30,
            "maximum": 249,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8,
            "count": 30,
            "maximum": 8,
            "minimum": 8,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62798687.94,
            "count": 30,
            "maximum": 62798689.16,
            "minimum": 62798686.63,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.7479797387,
            "variance": 0.5594736894
          },
          {
            "average": 0,
            "count": 30,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 30,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 30,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 30,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 30,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          604894.2452,
          2402999.595,
          -53.62501052,
          604999.1652,
          2403078.875,
          -51.20501052
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                604894.245234956,
                2402999.594702725,
                -53.62501051659709
              ],
              [
                604894.245234956,
                2403078.874702725,
                -53.62501051659709
              ],
              [
                604999.165234956,
                2403078.874702725,
                -51.205010516597085
              ],
              [
                604999.165234956,
                2402999.594702725,
                -51.205010516597085
              ],
              [
                604894.245234956,
                2402999.594702725,
                -53.62501051659709
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:51:29+00:00",
        "end_time": "2013-09-09T21:51:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0403.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0403.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0403.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0403.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.985754,
            21.72740672,
            -53.62501052,
            -157.9847346,
            21.7281291,
            -51.20501052
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.98575395254147,
                  21.727412930013333,
                  -53.62501051659709
                ],
                [
                  -157.9857489295153,
                  21.728129101362402,
                  -53.62501051659709
                ],
                [
                  -157.98473455060048,
                  21.728122886331334,
                  -51.205010516597085
                ],
                [
                  -157.9847395786545,
                  21.727406715205834,
                  -51.205010516597085
                ],
                [
                  -157.98575395254147,
                  21.727412930013333,
                  -53.62501051659709
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0403.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0403.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:51:29Z",
            "pc:count": 30,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 604958.5812,
                "count": 30,
                "maximum": 604999.1652,
                "minimum": 604894.2452,
                "name": "X",
                "position": 0,
                "stddev": 32.72616865,
                "variance": 1071.002114
              },
              {
                "average": 2403033.576,
                "count": 30,
                "maximum": 2403078.875,
                "minimum": 2402999.595,
                "name": "Y",
                "position": 1,
                "stddev": 25.84545591,
                "variance": 667.9875913
              },
              {
                "average": -52.27701052,
                "count": 30,
                "maximum": -51.20501052,
                "minimum": -53.62501052,
                "name": "Z",
                "position": 2,
                "stddev": 0.6455705843,
                "variance": 0.4167613793
              },
              {
                "average": 0,
                "count": 30,
                "maximum": 0,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 30,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 30,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 30,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 30,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 30,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.400200081,
                "count": 30,
                "maximum": 22.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 10.25087264,
                "variance": 105.0803898
              },
              {
                "average": 249,
                "count": 30,
                "maximum": 249,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8,
                "count": 30,
                "maximum": 8,
                "minimum": 8,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62798687.94,
                "count": 30,
                "maximum": 62798689.16,
                "minimum": 62798686.63,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.7479797387,
                "variance": 0.5594736894
              },
              {
                "average": 0,
                "count": 30,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 30,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 30,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 30,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 30,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              604894.2452,
              2402999.595,
              -53.62501052,
              604999.1652,
              2403078.875,
              -51.20501052
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    604894.245234956,
                    2402999.594702725,
                    -53.62501051659709
                  ],
                  [
                    604894.245234956,
                    2403078.874702725,
                    -53.62501051659709
                  ],
                  [
                    604999.165234956,
                    2403078.874702725,
                    -51.205010516597085
                  ],
                  [
                    604999.165234956,
                    2402999.594702725,
                    -51.205010516597085
                  ],
                  [
                    604894.245234956,
                    2402999.594702725,
                    -53.62501051659709
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:51:29+00:00",
            "end_time": "2013-09-09T21:51:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3654.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.68901245489107,
              21.282684820524825,
              29.36312237699633
            ],
            [
              -157.68893237109265,
              21.291717967752554,
              29.36312237699633
            ],
            [
              -157.67929371761142,
              21.29164261993662,
              358.6831223769963
            ],
            [
              -157.67937438967104,
              21.282609507723453,
              358.6831223769963
            ],
            [
              -157.68901245489107,
              21.282684820524825,
              29.36312237699633
            ]
          ]
        ]
      },
      "bbox": [
        -157.6890125,
        21.28260951,
        29.36312238,
        -157.6792937,
        21.29171797,
        358.6831224
      ],
      "properties": {
        "datetime": "2013-09-22T19:49:14Z",
        "pc:count": 14736144,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636569.3273,
            "count": 14736144,
            "maximum": 637000.0293,
            "minimum": 635999.9893,
            "name": "X",
            "position": 0,
            "stddev": 288.0737717,
            "variance": 82986.49795
          },
          {
            "average": 2354559.071,
            "count": 14736144,
            "maximum": 2354998.484,
            "minimum": 2353998.464,
            "name": "Y",
            "position": 1,
            "stddev": 254.5388054,
            "variance": 64790.00346
          },
          {
            "average": 140.6513376,
            "count": 14736144,
            "maximum": 358.6831224,
            "minimum": 29.36312238,
            "name": "Z",
            "position": 2,
            "stddev": 61.71556328,
            "variance": 3808.810751
          },
          {
            "average": 9.290198033,
            "count": 14736144,
            "maximum": 775,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 18.66143198,
            "variance": 348.2490435
          },
          {
            "average": 1.947948052,
            "count": 14736144,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.1233486,
            "variance": 1.261912077
          },
          {
            "average": 2.896435255,
            "count": 14736144,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.529022033,
            "variance": 2.337908378
          },
          {
            "average": 1,
            "count": 14736144,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14736144,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.1050251,
            "count": 14736144,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3065857709,
            "variance": 0.0939948349
          },
          {
            "average": 20.40891566,
            "count": 14736144,
            "maximum": 33,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.68736234,
            "variance": 7.221916348
          },
          {
            "average": 90.42668496,
            "count": 14736144,
            "maximum": 200,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.22210638,
            "variance": 4518.811586
          },
          {
            "average": 16.43467049,
            "count": 14736144,
            "maximum": 29,
            "minimum": 3,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 9.586971329,
            "variance": 91.91001926
          },
          {
            "average": 63615821.27,
            "count": 14736144,
            "maximum": 63914554.58,
            "minimum": 63385451.65,
            "name": "GpsTime",
            "position": 12,
            "stddev": 260103.529,
            "variance": 67653845800.0
          },
          {
            "average": 0,
            "count": 14736144,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14736144,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14736144,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14736144,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 14736144,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          635999.9893,
          2353998.464,
          29.36312238,
          637000.0293,
          2354998.484,
          358.6831224
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                635999.9893222952,
                2353998.464220059,
                29.36312237699633
              ],
              [
                635999.9893222952,
                2354998.4842200587,
                29.36312237699633
              ],
              [
                637000.0293222952,
                2354998.4842200587,
                358.6831223769963
              ],
              [
                637000.0293222952,
                2353998.464220059,
                358.6831223769963
              ],
              [
                635999.9893222952,
                2353998.464220059,
                29.36312237699633
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T19:49:14+00:00",
        "end_time": "2013-09-16T16:50:51+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3654.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3654.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3654.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3654.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6890125,
            21.28260951,
            29.36312238,
            -157.6792937,
            21.29171797,
            358.6831224
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.68901245489107,
                  21.282684820524825,
                  29.36312237699633
                ],
                [
                  -157.68893237109265,
                  21.291717967752554,
                  29.36312237699633
                ],
                [
                  -157.67929371761142,
                  21.29164261993662,
                  358.6831223769963
                ],
                [
                  -157.67937438967104,
                  21.282609507723453,
                  358.6831223769963
                ],
                [
                  -157.68901245489107,
                  21.282684820524825,
                  29.36312237699633
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3654.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3654.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T19:49:14Z",
            "pc:count": 14736144,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636569.3273,
                "count": 14736144,
                "maximum": 637000.0293,
                "minimum": 635999.9893,
                "name": "X",
                "position": 0,
                "stddev": 288.0737717,
                "variance": 82986.49795
              },
              {
                "average": 2354559.071,
                "count": 14736144,
                "maximum": 2354998.484,
                "minimum": 2353998.464,
                "name": "Y",
                "position": 1,
                "stddev": 254.5388054,
                "variance": 64790.00346
              },
              {
                "average": 140.6513376,
                "count": 14736144,
                "maximum": 358.6831224,
                "minimum": 29.36312238,
                "name": "Z",
                "position": 2,
                "stddev": 61.71556328,
                "variance": 3808.810751
              },
              {
                "average": 9.290198033,
                "count": 14736144,
                "maximum": 775,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 18.66143198,
                "variance": 348.2490435
              },
              {
                "average": 1.947948052,
                "count": 14736144,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.1233486,
                "variance": 1.261912077
              },
              {
                "average": 2.896435255,
                "count": 14736144,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.529022033,
                "variance": 2.337908378
              },
              {
                "average": 1,
                "count": 14736144,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14736144,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.1050251,
                "count": 14736144,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3065857709,
                "variance": 0.0939948349
              },
              {
                "average": 20.40891566,
                "count": 14736144,
                "maximum": 33,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.68736234,
                "variance": 7.221916348
              },
              {
                "average": 90.42668496,
                "count": 14736144,
                "maximum": 200,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.22210638,
                "variance": 4518.811586
              },
              {
                "average": 16.43467049,
                "count": 14736144,
                "maximum": 29,
                "minimum": 3,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 9.586971329,
                "variance": 91.91001926
              },
              {
                "average": 63615821.27,
                "count": 14736144,
                "maximum": 63914554.58,
                "minimum": 63385451.65,
                "name": "GpsTime",
                "position": 12,
                "stddev": 260103.529,
                "variance": 67653845800.0
              },
              {
                "average": 0,
                "count": 14736144,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14736144,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14736144,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14736144,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 14736144,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              635999.9893,
              2353998.464,
              29.36312238,
              637000.0293,
              2354998.484,
              358.6831224
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    635999.9893222952,
                    2353998.464220059,
                    29.36312237699633
                  ],
                  [
                    635999.9893222952,
                    2354998.4842200587,
                    29.36312237699633
                  ],
                  [
                    637000.0293222952,
                    2354998.4842200587,
                    358.6831223769963
                  ],
                  [
                    637000.0293222952,
                    2353998.464220059,
                    358.6831223769963
                  ],
                  [
                    635999.9893222952,
                    2353998.464220059,
                    29.36312237699633
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T19:49:14+00:00",
            "end_time": "2013-09-16T16:50:51+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130922_ncmp_hi_oahu_4qfk0500.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.98491956787763,
              21.701013641160948,
              -1.328653167186808
            ],
            [
              -157.98486125815938,
              21.709329849203044,
              -1.328653167186808
            ],
            [
              -157.97519422283307,
              21.70927035624178,
              46.771346832813194
            ],
            [
              -157.9752530883408,
              21.70095417306112,
              46.771346832813194
            ],
            [
              -157.98491956787763,
              21.701013641160948,
              -1.328653167186808
            ]
          ]
        ]
      },
      "bbox": [
        -157.9849196,
        21.70095417,
        -1.328653167,
        -157.9751942,
        21.70932985,
        46.77134683
      ],
      "properties": {
        "datetime": "2013-09-23T00:46:13Z",
        "pc:count": 8150209,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 605459.2545,
            "count": 8150209,
            "maximum": 605999.7193,
            "minimum": 604999.6993,
            "name": "X",
            "position": 0,
            "stddev": 268.5094972,
            "variance": 72097.35008
          },
          {
            "average": 2400628.042,
            "count": 8150209,
            "maximum": 2400998.495,
            "minimum": 2400077.895,
            "name": "Y",
            "position": 1,
            "stddev": 205.1308924,
            "variance": 42078.68301
          },
          {
            "average": 11.3929714,
            "count": 8150209,
            "maximum": 46.77134683,
            "minimum": -1.328653167,
            "name": "Z",
            "position": 2,
            "stddev": 8.174125919,
            "variance": 66.81633454
          },
          {
            "average": 11.63159251,
            "count": 8150209,
            "maximum": 1303,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 30.0120456,
            "variance": 900.7228812
          },
          {
            "average": 2.26482462,
            "count": 8150209,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.245273979,
            "variance": 1.550707282
          },
          {
            "average": 3.530234746,
            "count": 8150209,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.585981016,
            "variance": 2.515335783
          },
          {
            "average": 1,
            "count": 8150209,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8150209,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.146451091,
            "count": 8150209,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.100968332,
            "variance": 1.212131267
          },
          {
            "average": 20.21097476,
            "count": 8150209,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.727967798,
            "variance": 7.441808309
          },
          {
            "average": 91.74046874,
            "count": 8150209,
            "maximum": 211,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.60505563,
            "variance": 4570.443547
          },
          {
            "average": 13.72397395,
            "count": 8150209,
            "maximum": 15,
            "minimum": 11,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.103819195,
            "variance": 1.218416815
          },
          {
            "average": 63932016.52,
            "count": 8150209,
            "maximum": 63932373.75,
            "minimum": 63931229.13,
            "name": "GpsTime",
            "position": 12,
            "stddev": 313.9305363,
            "variance": 98552.38159
          },
          {
            "average": 0,
            "count": 8150209,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8150209,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8150209,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8150209,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 8150209,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          604999.6993,
          2400077.895,
          -1.328653167,
          605999.7193,
          2400998.495,
          46.77134683
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                604999.6993197452,
                2400077.8950323523,
                -1.328653167186808
              ],
              [
                604999.6993197452,
                2400998.495032352,
                -1.328653167186808
              ],
              [
                605999.7193197452,
                2400998.495032352,
                46.771346832813194
              ],
              [
                605999.7193197452,
                2400077.8950323523,
                46.771346832813194
              ],
              [
                604999.6993197452,
                2400077.8950323523,
                -1.328653167186808
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:46:13+00:00",
        "end_time": "2013-09-23T00:27:09+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130922_ncmp_hi_oahu_4qfk0500.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130922_ncmp_hi_oahu_4qfk0500.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130922_ncmp_hi_oahu_4qfk0500.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfk0500.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9849196,
            21.70095417,
            -1.328653167,
            -157.9751942,
            21.70932985,
            46.77134683
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.98491956787763,
                  21.701013641160948,
                  -1.328653167186808
                ],
                [
                  -157.98486125815938,
                  21.709329849203044,
                  -1.328653167186808
                ],
                [
                  -157.97519422283307,
                  21.70927035624178,
                  46.771346832813194
                ],
                [
                  -157.9752530883408,
                  21.70095417306112,
                  46.771346832813194
                ],
                [
                  -157.98491956787763,
                  21.701013641160948,
                  -1.328653167186808
                ]
              ]
            ]
          },
          "id": "20130922_ncmp_hi_oahu_4qfk0500.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130922_ncmp_hi_oahu_4qfk0500.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:46:13Z",
            "pc:count": 8150209,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 605459.2545,
                "count": 8150209,
                "maximum": 605999.7193,
                "minimum": 604999.6993,
                "name": "X",
                "position": 0,
                "stddev": 268.5094972,
                "variance": 72097.35008
              },
              {
                "average": 2400628.042,
                "count": 8150209,
                "maximum": 2400998.495,
                "minimum": 2400077.895,
                "name": "Y",
                "position": 1,
                "stddev": 205.1308924,
                "variance": 42078.68301
              },
              {
                "average": 11.3929714,
                "count": 8150209,
                "maximum": 46.77134683,
                "minimum": -1.328653167,
                "name": "Z",
                "position": 2,
                "stddev": 8.174125919,
                "variance": 66.81633454
              },
              {
                "average": 11.63159251,
                "count": 8150209,
                "maximum": 1303,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 30.0120456,
                "variance": 900.7228812
              },
              {
                "average": 2.26482462,
                "count": 8150209,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.245273979,
                "variance": 1.550707282
              },
              {
                "average": 3.530234746,
                "count": 8150209,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.585981016,
                "variance": 2.515335783
              },
              {
                "average": 1,
                "count": 8150209,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8150209,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.146451091,
                "count": 8150209,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.100968332,
                "variance": 1.212131267
              },
              {
                "average": 20.21097476,
                "count": 8150209,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.727967798,
                "variance": 7.441808309
              },
              {
                "average": 91.74046874,
                "count": 8150209,
                "maximum": 211,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.60505563,
                "variance": 4570.443547
              },
              {
                "average": 13.72397395,
                "count": 8150209,
                "maximum": 15,
                "minimum": 11,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.103819195,
                "variance": 1.218416815
              },
              {
                "average": 63932016.52,
                "count": 8150209,
                "maximum": 63932373.75,
                "minimum": 63931229.13,
                "name": "GpsTime",
                "position": 12,
                "stddev": 313.9305363,
                "variance": 98552.38159
              },
              {
                "average": 0,
                "count": 8150209,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8150209,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8150209,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8150209,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 8150209,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              604999.6993,
              2400077.895,
              -1.328653167,
              605999.7193,
              2400998.495,
              46.77134683
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    604999.6993197452,
                    2400077.8950323523,
                    -1.328653167186808
                  ],
                  [
                    604999.6993197452,
                    2400998.495032352,
                    -1.328653167186808
                  ],
                  [
                    605999.7193197452,
                    2400998.495032352,
                    46.771346832813194
                  ],
                  [
                    605999.7193197452,
                    2400077.8950323523,
                    46.771346832813194
                  ],
                  [
                    604999.6993197452,
                    2400077.8950323523,
                    -1.328653167186808
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:46:13+00:00",
            "end_time": "2013-09-23T00:27:09+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3364.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.71714146828998,
              21.3732377190022,
              -1.978962528065665
            ],
            [
              -157.71706287642644,
              21.382270862961295,
              -1.978962528065665
            ],
            [
              -157.70741815967997,
              21.382196830116364,
              140.20103747193434
            ],
            [
              -157.7074973591124,
              21.37316371937261,
              140.20103747193434
            ],
            [
              -157.71714146828998,
              21.3732377190022,
              -1.978962528065665
            ]
          ]
        ]
      },
      "bbox": [
        -157.7171415,
        21.37316372,
        -1.978962528,
        -157.7074182,
        21.38227086,
        140.2010375
      ],
      "properties": {
        "datetime": "2013-09-20T19:43:29Z",
        "pc:count": 10691680,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 633478.9338,
            "count": 10691680,
            "maximum": 633999.9601,
            "minimum": 632999.9201,
            "name": "X",
            "position": 0,
            "stddev": 291.9355144,
            "variance": 85226.34456
          },
          {
            "average": 2364477.012,
            "count": 10691680,
            "maximum": 2364998.488,
            "minimum": 2363998.468,
            "name": "Y",
            "position": 1,
            "stddev": 277.6356616,
            "variance": 77081.5606
          },
          {
            "average": 32.98073885,
            "count": 10691680,
            "maximum": 140.2010375,
            "minimum": -1.978962528,
            "name": "Z",
            "position": 2,
            "stddev": 29.70653798,
            "variance": 882.4783988
          },
          {
            "average": 9.709928655,
            "count": 10691680,
            "maximum": 5163,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 23.31086464,
            "variance": 543.3964102
          },
          {
            "average": 2.05201278,
            "count": 10691680,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.118719624,
            "variance": 1.251533598
          },
          {
            "average": 3.104594414,
            "count": 10691680,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.413133315,
            "variance": 1.996945766
          },
          {
            "average": 1,
            "count": 10691680,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10691680,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.191190253,
            "count": 10691680,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 1.423683456,
            "variance": 2.026874582
          },
          {
            "average": 20.06594701,
            "count": 10691680,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 1.865496878,
            "variance": 3.4800786
          },
          {
            "average": 90.99780895,
            "count": 10691680,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.58664642,
            "variance": 4567.954774
          },
          {
            "average": 3.652288041,
            "count": 10691680,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.597918061,
            "variance": 12.94501437
          },
          {
            "average": 63691691.04,
            "count": 10691680,
            "maximum": 63741409.43,
            "minimum": 63657255.38,
            "name": "GpsTime",
            "position": 12,
            "stddev": 32576.68924,
            "variance": 1061240682
          },
          {
            "average": 0,
            "count": 10691680,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10691680,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10691680,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10691680,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 10691680,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          632999.9201,
          2363998.468,
          -1.978962528,
          633999.9601,
          2364998.488,
          140.2010375
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                632999.920108994,
                2363998.4676324995,
                -1.978962528065665
              ],
              [
                632999.920108994,
                2364998.487632499,
                -1.978962528065665
              ],
              [
                633999.960108994,
                2364998.487632499,
                140.20103747193434
              ],
              [
                633999.960108994,
                2363998.4676324995,
                140.20103747193434
              ],
              [
                632999.920108994,
                2363998.4676324995,
                -1.978962528065665
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:43:29+00:00",
        "end_time": "2013-09-19T20:20:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3364.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3364.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3364.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3364.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.7171415,
            21.37316372,
            -1.978962528,
            -157.7074182,
            21.38227086,
            140.2010375
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.71714146828998,
                  21.3732377190022,
                  -1.978962528065665
                ],
                [
                  -157.71706287642644,
                  21.382270862961295,
                  -1.978962528065665
                ],
                [
                  -157.70741815967997,
                  21.382196830116364,
                  140.20103747193434
                ],
                [
                  -157.7074973591124,
                  21.37316371937261,
                  140.20103747193434
                ],
                [
                  -157.71714146828998,
                  21.3732377190022,
                  -1.978962528065665
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3364.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3364.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:43:29Z",
            "pc:count": 10691680,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 633478.9338,
                "count": 10691680,
                "maximum": 633999.9601,
                "minimum": 632999.9201,
                "name": "X",
                "position": 0,
                "stddev": 291.9355144,
                "variance": 85226.34456
              },
              {
                "average": 2364477.012,
                "count": 10691680,
                "maximum": 2364998.488,
                "minimum": 2363998.468,
                "name": "Y",
                "position": 1,
                "stddev": 277.6356616,
                "variance": 77081.5606
              },
              {
                "average": 32.98073885,
                "count": 10691680,
                "maximum": 140.2010375,
                "minimum": -1.978962528,
                "name": "Z",
                "position": 2,
                "stddev": 29.70653798,
                "variance": 882.4783988
              },
              {
                "average": 9.709928655,
                "count": 10691680,
                "maximum": 5163,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 23.31086464,
                "variance": 543.3964102
              },
              {
                "average": 2.05201278,
                "count": 10691680,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.118719624,
                "variance": 1.251533598
              },
              {
                "average": 3.104594414,
                "count": 10691680,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.413133315,
                "variance": 1.996945766
              },
              {
                "average": 1,
                "count": 10691680,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10691680,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.191190253,
                "count": 10691680,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 1.423683456,
                "variance": 2.026874582
              },
              {
                "average": 20.06594701,
                "count": 10691680,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 1.865496878,
                "variance": 3.4800786
              },
              {
                "average": 90.99780895,
                "count": 10691680,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.58664642,
                "variance": 4567.954774
              },
              {
                "average": 3.652288041,
                "count": 10691680,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.597918061,
                "variance": 12.94501437
              },
              {
                "average": 63691691.04,
                "count": 10691680,
                "maximum": 63741409.43,
                "minimum": 63657255.38,
                "name": "GpsTime",
                "position": 12,
                "stddev": 32576.68924,
                "variance": 1061240682
              },
              {
                "average": 0,
                "count": 10691680,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10691680,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10691680,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10691680,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 10691680,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              632999.9201,
              2363998.468,
              -1.978962528,
              633999.9601,
              2364998.488,
              140.2010375
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    632999.920108994,
                    2363998.4676324995,
                    -1.978962528065665
                  ],
                  [
                    632999.920108994,
                    2364998.487632499,
                    -1.978962528065665
                  ],
                  [
                    633999.960108994,
                    2364998.487632499,
                    140.20103747193434
                  ],
                  [
                    633999.960108994,
                    2363998.4676324995,
                    140.20103747193434
                  ],
                  [
                    632999.920108994,
                    2363998.4676324995,
                    -1.978962528065665
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:43:29+00:00",
            "end_time": "2013-09-19T20:20:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfk0501.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.98486127789982,
              21.709329823104994,
              -31.3422369828599
            ],
            [
              -157.9847979072638,
              21.71836327861095,
              -31.3422369828599
            ],
            [
              -157.97513026791862,
              21.71830375864174,
              17.6577630171401
            ],
            [
              -157.9751942425752,
              21.70927033014495,
              17.6577630171401
            ],
            [
              -157.98486127789982,
              21.709329823104994,
              -31.3422369828599
            ]
          ]
        ]
      },
      "bbox": [
        -157.9848613,
        21.70927033,
        -31.34223698,
        -157.9751303,
        21.71836328,
        17.65776302
      ],
      "properties": {
        "datetime": "2013-09-23T00:36:19Z",
        "pc:count": 2367377,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 605528.6024,
            "count": 2367377,
            "maximum": 605999.7173,
            "minimum": 604999.6973,
            "name": "X",
            "position": 0,
            "stddev": 290.6192352,
            "variance": 84459.5399
          },
          {
            "average": 2401292.809,
            "count": 2367377,
            "maximum": 2401998.492,
            "minimum": 2400998.492,
            "name": "Y",
            "position": 1,
            "stddev": 215.0140701,
            "variance": 46231.05034
          },
          {
            "average": -3.149740321,
            "count": 2367377,
            "maximum": 17.65776302,
            "minimum": -31.34223698,
            "name": "Z",
            "position": 2,
            "stddev": 6.476824241,
            "variance": 41.94925225
          },
          {
            "average": 25.11772945,
            "count": 2367377,
            "maximum": 8947,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 85.26242785,
            "variance": 7269.681603
          },
          {
            "average": 1.097046225,
            "count": 2367377,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.4208640375,
            "variance": 0.177126538
          },
          {
            "average": 1.171606804,
            "count": 2367377,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.6601639438,
            "variance": 0.4358164327
          },
          {
            "average": 1,
            "count": 2367377,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2367377,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 23.75243149,
            "count": 2367377,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 10.86374997,
            "variance": 118.0210634
          },
          {
            "average": 19.87822659,
            "count": 2367377,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.117097894,
            "variance": 9.716299282
          },
          {
            "average": 109.2249625,
            "count": 2367377,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 80.03298804,
            "variance": 6405.279175
          },
          {
            "average": 10.66120056,
            "count": 2367377,
            "maximum": 13,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.196502472,
            "variance": 1.431618167
          },
          {
            "average": 63929704.88,
            "count": 2367377,
            "maximum": 63931779.8,
            "minimum": 63849218.42,
            "name": "GpsTime",
            "position": 12,
            "stddev": 10795.93517,
            "variance": 116552216.2
          },
          {
            "average": 0,
            "count": 2367377,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2367377,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2367377,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2367377,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2367377,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          604999.6973,
          2400998.492,
          -31.34223698,
          605999.7173,
          2401998.492,
          17.65776302
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                604999.6972966915,
                2400998.49213005,
                -31.3422369828599
              ],
              [
                604999.6972966915,
                2401998.49213005,
                -31.3422369828599
              ],
              [
                605999.7172966915,
                2401998.49213005,
                17.6577630171401
              ],
              [
                605999.7172966915,
                2400998.49213005,
                17.6577630171401
              ],
              [
                604999.6972966915,
                2400998.49213005,
                -31.3422369828599
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:36:19+00:00",
        "end_time": "2013-09-22T01:40:18+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfk0501.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfk0501.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfk0501.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0501.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9848613,
            21.70927033,
            -31.34223698,
            -157.9751303,
            21.71836328,
            17.65776302
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.98486127789982,
                  21.709329823104994,
                  -31.3422369828599
                ],
                [
                  -157.9847979072638,
                  21.71836327861095,
                  -31.3422369828599
                ],
                [
                  -157.97513026791862,
                  21.71830375864174,
                  17.6577630171401
                ],
                [
                  -157.9751942425752,
                  21.70927033014495,
                  17.6577630171401
                ],
                [
                  -157.98486127789982,
                  21.709329823104994,
                  -31.3422369828599
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfk0501.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0501.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:36:19Z",
            "pc:count": 2367377,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 605528.6024,
                "count": 2367377,
                "maximum": 605999.7173,
                "minimum": 604999.6973,
                "name": "X",
                "position": 0,
                "stddev": 290.6192352,
                "variance": 84459.5399
              },
              {
                "average": 2401292.809,
                "count": 2367377,
                "maximum": 2401998.492,
                "minimum": 2400998.492,
                "name": "Y",
                "position": 1,
                "stddev": 215.0140701,
                "variance": 46231.05034
              },
              {
                "average": -3.149740321,
                "count": 2367377,
                "maximum": 17.65776302,
                "minimum": -31.34223698,
                "name": "Z",
                "position": 2,
                "stddev": 6.476824241,
                "variance": 41.94925225
              },
              {
                "average": 25.11772945,
                "count": 2367377,
                "maximum": 8947,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 85.26242785,
                "variance": 7269.681603
              },
              {
                "average": 1.097046225,
                "count": 2367377,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.4208640375,
                "variance": 0.177126538
              },
              {
                "average": 1.171606804,
                "count": 2367377,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.6601639438,
                "variance": 0.4358164327
              },
              {
                "average": 1,
                "count": 2367377,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2367377,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 23.75243149,
                "count": 2367377,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 10.86374997,
                "variance": 118.0210634
              },
              {
                "average": 19.87822659,
                "count": 2367377,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.117097894,
                "variance": 9.716299282
              },
              {
                "average": 109.2249625,
                "count": 2367377,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 80.03298804,
                "variance": 6405.279175
              },
              {
                "average": 10.66120056,
                "count": 2367377,
                "maximum": 13,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.196502472,
                "variance": 1.431618167
              },
              {
                "average": 63929704.88,
                "count": 2367377,
                "maximum": 63931779.8,
                "minimum": 63849218.42,
                "name": "GpsTime",
                "position": 12,
                "stddev": 10795.93517,
                "variance": 116552216.2
              },
              {
                "average": 0,
                "count": 2367377,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2367377,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2367377,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2367377,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2367377,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              604999.6973,
              2400998.492,
              -31.34223698,
              605999.7173,
              2401998.492,
              17.65776302
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    604999.6972966915,
                    2400998.49213005,
                    -31.3422369828599
                  ],
                  [
                    604999.6972966915,
                    2401998.49213005,
                    -31.3422369828599
                  ],
                  [
                    605999.7172966915,
                    2401998.49213005,
                    17.6577630171401
                  ],
                  [
                    605999.7172966915,
                    2400998.49213005,
                    17.6577630171401
                  ],
                  [
                    604999.6972966915,
                    2400998.49213005,
                    -31.3422369828599
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:36:19+00:00",
            "end_time": "2013-09-22T01:40:18+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0502.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.98479789082458,
              21.718363440992878,
              -51.5204999688147
            ],
            [
              -157.98473450081437,
              21.727395079343044,
              -51.5204999688147
            ],
            [
              -157.97506703044027,
              21.72733553721616,
              -28.460499968814695
            ],
            [
              -157.9751310248629,
              21.71830392580635,
              -28.460499968814695
            ],
            [
              -157.98479789082458,
              21.718363440992878,
              -51.5204999688147
            ]
          ]
        ]
      },
      "bbox": [
        -157.9847979,
        21.71830393,
        -51.52049997,
        -157.975067,
        21.72739508,
        -28.46049997
      ],
      "properties": {
        "datetime": "2013-09-23T00:18:07Z",
        "pc:count": 45662,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 605362.3417,
            "count": 45662,
            "maximum": 605999.6389,
            "minimum": 604999.6989,
            "name": "X",
            "position": 0,
            "stddev": 293.8278471,
            "variance": 86334.80373
          },
          {
            "average": 2402271.918,
            "count": 45662,
            "maximum": 2402998.31,
            "minimum": 2401998.51,
            "name": "Y",
            "position": 1,
            "stddev": 186.4380358,
            "variance": 34759.14118
          },
          {
            "average": -34.58620625,
            "count": 45662,
            "maximum": -28.46049997,
            "minimum": -51.52049997,
            "name": "Z",
            "position": 2,
            "stddev": 3.561297515,
            "variance": 12.68283999
          },
          {
            "average": 298.777824,
            "count": 45662,
            "maximum": 4411,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 276.5667089,
            "variance": 76489.14446
          },
          {
            "average": 1.001248303,
            "count": 45662,
            "maximum": 2,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.03530965577,
            "variance": 0.001246771791
          },
          {
            "average": 1.001379703,
            "count": 45662,
            "maximum": 2,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.03711912754,
            "variance": 0.001377829629
          },
          {
            "average": 1,
            "count": 45662,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 45662,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 45662,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 12.1581674,
            "count": 45662,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 9.071484565,
            "variance": 82.29183221
          },
          {
            "average": 249.0166659,
            "count": 45662,
            "maximum": 251,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0.1285299393,
            "variance": 0.0165199453
          },
          {
            "average": 6.362993299,
            "count": 45662,
            "maximum": 9,
            "minimum": 6,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0.7306842834,
            "variance": 0.533899522
          },
          {
            "average": 63859437.87,
            "count": 45662,
            "maximum": 63930687.84,
            "minimum": 62798686.35,
            "name": "GpsTime",
            "position": 12,
            "stddev": 273651.0844,
            "variance": 74884915970.0
          },
          {
            "average": 0,
            "count": 45662,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 45662,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 45662,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 45662,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 45662,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          604999.6989,
          2401998.51,
          -51.52049997,
          605999.6389,
          2402998.31,
          -28.46049997
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                604999.6988792326,
                2401998.510116054,
                -51.5204999688147
              ],
              [
                604999.6988792326,
                2402998.310116054,
                -51.5204999688147
              ],
              [
                605999.6388792326,
                2402998.310116054,
                -28.460499968814695
              ],
              [
                605999.6388792326,
                2401998.510116054,
                -28.460499968814695
              ],
              [
                604999.6988792326,
                2401998.510116054,
                -51.5204999688147
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:18:07+00:00",
        "end_time": "2013-09-09T21:51:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0502.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0502.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0502.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0502.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9847979,
            21.71830393,
            -51.52049997,
            -157.975067,
            21.72739508,
            -28.46049997
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.98479789082458,
                  21.718363440992878,
                  -51.5204999688147
                ],
                [
                  -157.98473450081437,
                  21.727395079343044,
                  -51.5204999688147
                ],
                [
                  -157.97506703044027,
                  21.72733553721616,
                  -28.460499968814695
                ],
                [
                  -157.9751310248629,
                  21.71830392580635,
                  -28.460499968814695
                ],
                [
                  -157.98479789082458,
                  21.718363440992878,
                  -51.5204999688147
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0502.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0502.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:18:07Z",
            "pc:count": 45662,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 605362.3417,
                "count": 45662,
                "maximum": 605999.6389,
                "minimum": 604999.6989,
                "name": "X",
                "position": 0,
                "stddev": 293.8278471,
                "variance": 86334.80373
              },
              {
                "average": 2402271.918,
                "count": 45662,
                "maximum": 2402998.31,
                "minimum": 2401998.51,
                "name": "Y",
                "position": 1,
                "stddev": 186.4380358,
                "variance": 34759.14118
              },
              {
                "average": -34.58620625,
                "count": 45662,
                "maximum": -28.46049997,
                "minimum": -51.52049997,
                "name": "Z",
                "position": 2,
                "stddev": 3.561297515,
                "variance": 12.68283999
              },
              {
                "average": 298.777824,
                "count": 45662,
                "maximum": 4411,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 276.5667089,
                "variance": 76489.14446
              },
              {
                "average": 1.001248303,
                "count": 45662,
                "maximum": 2,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.03530965577,
                "variance": 0.001246771791
              },
              {
                "average": 1.001379703,
                "count": 45662,
                "maximum": 2,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.03711912754,
                "variance": 0.001377829629
              },
              {
                "average": 1,
                "count": 45662,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 45662,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 45662,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 12.1581674,
                "count": 45662,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 9.071484565,
                "variance": 82.29183221
              },
              {
                "average": 249.0166659,
                "count": 45662,
                "maximum": 251,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0.1285299393,
                "variance": 0.0165199453
              },
              {
                "average": 6.362993299,
                "count": 45662,
                "maximum": 9,
                "minimum": 6,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0.7306842834,
                "variance": 0.533899522
              },
              {
                "average": 63859437.87,
                "count": 45662,
                "maximum": 63930687.84,
                "minimum": 62798686.35,
                "name": "GpsTime",
                "position": 12,
                "stddev": 273651.0844,
                "variance": 74884915970.0
              },
              {
                "average": 0,
                "count": 45662,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 45662,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 45662,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 45662,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 45662,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              604999.6989,
              2401998.51,
              -51.52049997,
              605999.6389,
              2402998.31,
              -28.46049997
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    604999.6988792326,
                    2401998.510116054,
                    -51.5204999688147
                  ],
                  [
                    604999.6988792326,
                    2402998.310116054,
                    -51.5204999688147
                  ],
                  [
                    605999.6388792326,
                    2402998.310116054,
                    -28.460499968814695
                  ],
                  [
                    605999.6388792326,
                    2401998.510116054,
                    -28.460499968814695
                  ],
                  [
                    604999.6988792326,
                    2401998.510116054,
                    -51.5204999688147
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:18:07+00:00",
            "end_time": "2013-09-09T21:51:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130909_ncmp_hi_oahu_4qfk0503.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.98472923240604,
              21.727400288000126,
              -53.70011384517162
            ],
            [
              -157.98472151765634,
              21.72849911561689,
              -53.70011384517162
            ],
            [
              -157.98217899106044,
              21.72848351001185,
              -49.28011384517162
            ],
            [
              -157.98218672514605,
              21.72738468325643,
              -49.28011384517162
            ],
            [
              -157.98472923240604,
              21.727400288000126,
              -53.70011384517162
            ]
          ]
        ]
      },
      "bbox": [
        -157.9847292,
        21.72738468,
        -53.70011385,
        -157.982179,
        21.72849912,
        -49.28011385
      ],
      "properties": {
        "datetime": "2013-09-09T21:51:28Z",
        "pc:count": 245,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 605141.1751,
            "count": 245,
            "maximum": 605263.22,
            "minimum": 605000.24,
            "name": "X",
            "position": 0,
            "stddev": 61.88452575,
            "variance": 3829.694527
          },
          {
            "average": 2403050.989,
            "count": 245,
            "maximum": 2403120.53,
            "minimum": 2402998.89,
            "name": "Y",
            "position": 1,
            "stddev": 31.88056436,
            "variance": 1016.370384
          },
          {
            "average": -51.19721589,
            "count": 245,
            "maximum": -49.28011385,
            "minimum": -53.70011385,
            "name": "Z",
            "position": 2,
            "stddev": 0.9541618123,
            "variance": 0.9104247641
          },
          {
            "average": 0.04081632653,
            "count": 245,
            "maximum": 5,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 0.4508272757,
            "variance": 0.2032452325
          },
          {
            "average": 1,
            "count": 245,
            "maximum": 1,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 245,
            "maximum": 1,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1,
            "count": 245,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 245,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 245,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 9.942783644,
            "count": 245,
            "maximum": 19.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 8.295459526,
            "variance": 68.81464874
          },
          {
            "average": 249,
            "count": 245,
            "maximum": 249,
            "minimum": 249,
            "name": "UserData",
            "position": 10,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 8,
            "count": 245,
            "maximum": 8,
            "minimum": 8,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 62798687.25,
            "count": 245,
            "maximum": 62798688.75,
            "minimum": 62798686.37,
            "name": "GpsTime",
            "position": 12,
            "stddev": 0.5732544154,
            "variance": 0.3286206247
          },
          {
            "average": 0,
            "count": 245,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 245,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 245,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 245,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 245,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          605000.24,
          2402998.89,
          -53.70011385,
          605263.22,
          2403120.53,
          -49.28011385
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                605000.240002374,
                2402998.890263357,
                -53.70011384517162
              ],
              [
                605000.240002374,
                2403120.530263357,
                -53.70011384517162
              ],
              [
                605263.220002374,
                2403120.530263357,
                -49.28011384517162
              ],
              [
                605263.220002374,
                2402998.890263357,
                -49.28011384517162
              ],
              [
                605000.240002374,
                2402998.890263357,
                -53.70011384517162
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-09T21:51:28+00:00",
        "end_time": "2013-09-09T21:51:26+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130909_ncmp_hi_oahu_4qfk0503.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130909_ncmp_hi_oahu_4qfk0503.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130909_ncmp_hi_oahu_4qfk0503.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0503.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9847292,
            21.72738468,
            -53.70011385,
            -157.982179,
            21.72849912,
            -49.28011385
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.98472923240604,
                  21.727400288000126,
                  -53.70011384517162
                ],
                [
                  -157.98472151765634,
                  21.72849911561689,
                  -53.70011384517162
                ],
                [
                  -157.98217899106044,
                  21.72848351001185,
                  -49.28011384517162
                ],
                [
                  -157.98218672514605,
                  21.72738468325643,
                  -49.28011384517162
                ],
                [
                  -157.98472923240604,
                  21.727400288000126,
                  -53.70011384517162
                ]
              ]
            ]
          },
          "id": "20130909_ncmp_hi_oahu_4qfk0503.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130909_ncmp_hi_oahu_4qfk0503.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-09T21:51:28Z",
            "pc:count": 245,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 605141.1751,
                "count": 245,
                "maximum": 605263.22,
                "minimum": 605000.24,
                "name": "X",
                "position": 0,
                "stddev": 61.88452575,
                "variance": 3829.694527
              },
              {
                "average": 2403050.989,
                "count": 245,
                "maximum": 2403120.53,
                "minimum": 2402998.89,
                "name": "Y",
                "position": 1,
                "stddev": 31.88056436,
                "variance": 1016.370384
              },
              {
                "average": -51.19721589,
                "count": 245,
                "maximum": -49.28011385,
                "minimum": -53.70011385,
                "name": "Z",
                "position": 2,
                "stddev": 0.9541618123,
                "variance": 0.9104247641
              },
              {
                "average": 0.04081632653,
                "count": 245,
                "maximum": 5,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 0.4508272757,
                "variance": 0.2032452325
              },
              {
                "average": 1,
                "count": 245,
                "maximum": 1,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 245,
                "maximum": 1,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1,
                "count": 245,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 245,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 245,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 9.942783644,
                "count": 245,
                "maximum": 19.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 8.295459526,
                "variance": 68.81464874
              },
              {
                "average": 249,
                "count": 245,
                "maximum": 249,
                "minimum": 249,
                "name": "UserData",
                "position": 10,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 8,
                "count": 245,
                "maximum": 8,
                "minimum": 8,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 62798687.25,
                "count": 245,
                "maximum": 62798688.75,
                "minimum": 62798686.37,
                "name": "GpsTime",
                "position": 12,
                "stddev": 0.5732544154,
                "variance": 0.3286206247
              },
              {
                "average": 0,
                "count": 245,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 245,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 245,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 245,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 245,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              605000.24,
              2402998.89,
              -53.70011385,
              605263.22,
              2403120.53,
              -49.28011385
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    605000.240002374,
                    2402998.890263357,
                    -53.70011384517162
                  ],
                  [
                    605000.240002374,
                    2403120.530263357,
                    -53.70011384517162
                  ],
                  [
                    605263.220002374,
                    2403120.530263357,
                    -49.28011384517162
                  ],
                  [
                    605263.220002374,
                    2402998.890263357,
                    -49.28011384517162
                  ],
                  [
                    605000.240002374,
                    2402998.890263357,
                    -53.70011384517162
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-09T21:51:28+00:00",
            "end_time": "2013-09-09T21:51:26+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130916_ncmp_hi_oahu_4qfj3655.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.68893236669703,
              21.29171786740743,
              3.674337701946428
            ],
            [
              -157.68886662488944,
              21.29912958967942,
              3.674337701946428
            ],
            [
              -157.67922748844256,
              21.299054213137698,
              146.41433770194644
            ],
            [
              -157.67929371322236,
              21.291642519591576,
              146.41433770194644
            ],
            [
              -157.68893236669703,
              21.29171786740743,
              3.674337701946428
            ]
          ]
        ]
      },
      "bbox": [
        -157.6889324,
        21.29164252,
        3.674337702,
        -157.6792275,
        21.29912959,
        146.4143377
      ],
      "properties": {
        "datetime": "2013-09-22T18:39:49Z",
        "pc:count": 5716602,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636593.6062,
            "count": 5716602,
            "maximum": 637000.0299,
            "minimum": 635999.9899,
            "name": "X",
            "position": 0,
            "stddev": 269.6361678,
            "variance": 72703.66298
          },
          {
            "average": 2355299.626,
            "count": 5716602,
            "maximum": 2355818.993,
            "minimum": 2354998.473,
            "name": "Y",
            "position": 1,
            "stddev": 200.1930072,
            "variance": 40077.24014
          },
          {
            "average": 59.89723989,
            "count": 5716602,
            "maximum": 146.4143377,
            "minimum": 3.674337702,
            "name": "Z",
            "position": 2,
            "stddev": 30.20541092,
            "variance": 912.3668487
          },
          {
            "average": 22.01125144,
            "count": 5716602,
            "maximum": 945,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 41.83458479,
            "variance": 1750.132485
          },
          {
            "average": 1.632395084,
            "count": 5716602,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.9512379566,
            "variance": 0.9048536501
          },
          {
            "average": 2.264454653,
            "count": 5716602,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.376520054,
            "variance": 1.894807459
          },
          {
            "average": 1,
            "count": 5716602,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5716602,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.181094468,
            "count": 5716602,
            "maximum": 2,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 0.3850964656,
            "variance": 0.1482992878
          },
          {
            "average": 20.0710535,
            "count": 5716602,
            "maximum": 27,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.683779144,
            "variance": 7.202670496
          },
          {
            "average": 91.16805333,
            "count": 5716602,
            "maximum": 213,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 66.24144736,
            "variance": 4387.929348
          },
          {
            "average": 8.354711243,
            "count": 5716602,
            "maximum": 29,
            "minimum": 2,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 8.453486279,
            "variance": 71.46143027
          },
          {
            "average": 63696175.33,
            "count": 5716602,
            "maximum": 63910389.33,
            "minimum": 63381933.2,
            "name": "GpsTime",
            "position": 12,
            "stddev": 258065.7854,
            "variance": 66597949620.0
          },
          {
            "average": 0,
            "count": 5716602,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5716602,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5716602,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5716602,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5716602,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          635999.9899,
          2354998.473,
          3.674337702,
          637000.0299,
          2355818.993,
          146.4143377
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                635999.989870643,
                2354998.4731158423,
                3.674337701946428
              ],
              [
                635999.989870643,
                2355818.993115842,
                3.674337701946428
              ],
              [
                637000.029870643,
                2355818.993115842,
                146.41433770194644
              ],
              [
                637000.029870643,
                2354998.4731158423,
                146.41433770194644
              ],
              [
                635999.989870643,
                2354998.4731158423,
                3.674337701946428
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-22T18:39:49+00:00",
        "end_time": "2013-09-16T15:52:13+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130916_ncmp_hi_oahu_4qfj3655.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130916_ncmp_hi_oahu_4qfj3655.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130916_ncmp_hi_oahu_4qfj3655.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3655.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6889324,
            21.29164252,
            3.674337702,
            -157.6792275,
            21.29912959,
            146.4143377
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.68893236669703,
                  21.29171786740743,
                  3.674337701946428
                ],
                [
                  -157.68886662488944,
                  21.29912958967942,
                  3.674337701946428
                ],
                [
                  -157.67922748844256,
                  21.299054213137698,
                  146.41433770194644
                ],
                [
                  -157.67929371322236,
                  21.291642519591576,
                  146.41433770194644
                ],
                [
                  -157.68893236669703,
                  21.29171786740743,
                  3.674337701946428
                ]
              ]
            ]
          },
          "id": "20130916_ncmp_hi_oahu_4qfj3655.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130916_ncmp_hi_oahu_4qfj3655.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-22T18:39:49Z",
            "pc:count": 5716602,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636593.6062,
                "count": 5716602,
                "maximum": 637000.0299,
                "minimum": 635999.9899,
                "name": "X",
                "position": 0,
                "stddev": 269.6361678,
                "variance": 72703.66298
              },
              {
                "average": 2355299.626,
                "count": 5716602,
                "maximum": 2355818.993,
                "minimum": 2354998.473,
                "name": "Y",
                "position": 1,
                "stddev": 200.1930072,
                "variance": 40077.24014
              },
              {
                "average": 59.89723989,
                "count": 5716602,
                "maximum": 146.4143377,
                "minimum": 3.674337702,
                "name": "Z",
                "position": 2,
                "stddev": 30.20541092,
                "variance": 912.3668487
              },
              {
                "average": 22.01125144,
                "count": 5716602,
                "maximum": 945,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 41.83458479,
                "variance": 1750.132485
              },
              {
                "average": 1.632395084,
                "count": 5716602,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.9512379566,
                "variance": 0.9048536501
              },
              {
                "average": 2.264454653,
                "count": 5716602,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.376520054,
                "variance": 1.894807459
              },
              {
                "average": 1,
                "count": 5716602,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5716602,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.181094468,
                "count": 5716602,
                "maximum": 2,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 0.3850964656,
                "variance": 0.1482992878
              },
              {
                "average": 20.0710535,
                "count": 5716602,
                "maximum": 27,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.683779144,
                "variance": 7.202670496
              },
              {
                "average": 91.16805333,
                "count": 5716602,
                "maximum": 213,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 66.24144736,
                "variance": 4387.929348
              },
              {
                "average": 8.354711243,
                "count": 5716602,
                "maximum": 29,
                "minimum": 2,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 8.453486279,
                "variance": 71.46143027
              },
              {
                "average": 63696175.33,
                "count": 5716602,
                "maximum": 63910389.33,
                "minimum": 63381933.2,
                "name": "GpsTime",
                "position": 12,
                "stddev": 258065.7854,
                "variance": 66597949620.0
              },
              {
                "average": 0,
                "count": 5716602,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5716602,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5716602,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5716602,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5716602,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              635999.9899,
              2354998.473,
              3.674337702,
              637000.0299,
              2355818.993,
              146.4143377
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    635999.989870643,
                    2354998.4731158423,
                    3.674337701946428
                  ],
                  [
                    635999.989870643,
                    2355818.993115842,
                    3.674337701946428
                  ],
                  [
                    637000.029870643,
                    2355818.993115842,
                    146.41433770194644
                  ],
                  [
                    637000.029870643,
                    2354998.4731158423,
                    146.41433770194644
                  ],
                  [
                    635999.989870643,
                    2354998.4731158423,
                    3.674337701946428
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-22T18:39:49+00:00",
            "end_time": "2013-09-16T15:52:13+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfk0600.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.97525827860767,
              21.70023681732895,
              -2.766123485283266
            ],
            [
              -157.9751943361174,
              21.70927043656941,
              -2.766123485283266
            ],
            [
              -157.9655273354208,
              21.709210379804762,
              24.153876514716735
            ],
            [
              -157.9655918814708,
              21.700176787878227,
              24.153876514716735
            ],
            [
              -157.97525827860767,
              21.70023681732895,
              -2.766123485283266
            ]
          ]
        ]
      },
      "bbox": [
        -157.9752583,
        21.70017679,
        -2.766123485,
        -157.9655273,
        21.70927044,
        24.15387651
      ],
      "properties": {
        "datetime": "2013-09-23T00:45:58Z",
        "pc:count": 4810319,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 606583.2407,
            "count": 4810319,
            "maximum": 606999.7275,
            "minimum": 605999.7075,
            "name": "X",
            "position": 0,
            "stddev": 263.290013,
            "variance": 69321.63095
          },
          {
            "average": 2400683.793,
            "count": 4810319,
            "maximum": 2400998.504,
            "minimum": 2399998.484,
            "name": "Y",
            "position": 1,
            "stddev": 235.3640003,
            "variance": 55396.21265
          },
          {
            "average": 3.432808438,
            "count": 4810319,
            "maximum": 24.15387651,
            "minimum": -2.766123485,
            "name": "Z",
            "position": 2,
            "stddev": 2.171644864,
            "variance": 4.716041414
          },
          {
            "average": 39.55661444,
            "count": 4810319,
            "maximum": 6815,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 56.34493707,
            "variance": 3174.751934
          },
          {
            "average": 1.237598795,
            "count": 4810319,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.6498837018,
            "variance": 0.4223488258
          },
          {
            "average": 1.475540603,
            "count": 4810319,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.010423766,
            "variance": 1.020956186
          },
          {
            "average": 1,
            "count": 4810319,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4810319,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 1.497849103,
            "count": 4810319,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.583104213,
            "variance": 6.672427373
          },
          {
            "average": 20.23459484,
            "count": 4810319,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.833027213,
            "variance": 8.026043189
          },
          {
            "average": 91.91256172,
            "count": 4810319,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 64.24212444,
            "variance": 4127.050552
          },
          {
            "average": 11.34913755,
            "count": 4810319,
            "maximum": 15,
            "minimum": 7,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.663370446,
            "variance": 7.093542132
          },
          {
            "average": 63882585.62,
            "count": 4810319,
            "maximum": 63932358.67,
            "minimum": 63847755.22,
            "name": "GpsTime",
            "position": 12,
            "stddev": 40583.41413,
            "variance": 1647013502
          },
          {
            "average": 0,
            "count": 4810319,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4810319,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4810319,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4810319,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 4810319,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          605999.7075,
          2399998.484,
          -2.766123485,
          606999.7275,
          2400998.504,
          24.15387651
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                605999.7075425494,
                2399998.483846682,
                -2.766123485283266
              ],
              [
                605999.7075425494,
                2400998.5038466817,
                -2.766123485283266
              ],
              [
                606999.7275425494,
                2400998.5038466817,
                24.153876514716735
              ],
              [
                606999.7275425494,
                2399998.483846682,
                24.153876514716735
              ],
              [
                605999.7075425494,
                2399998.483846682,
                -2.766123485283266
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:45:58+00:00",
        "end_time": "2013-09-22T01:15:55+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfk0600.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfk0600.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfk0600.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0600.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9752583,
            21.70017679,
            -2.766123485,
            -157.9655273,
            21.70927044,
            24.15387651
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.97525827860767,
                  21.70023681732895,
                  -2.766123485283266
                ],
                [
                  -157.9751943361174,
                  21.70927043656941,
                  -2.766123485283266
                ],
                [
                  -157.9655273354208,
                  21.709210379804762,
                  24.153876514716735
                ],
                [
                  -157.9655918814708,
                  21.700176787878227,
                  24.153876514716735
                ],
                [
                  -157.97525827860767,
                  21.70023681732895,
                  -2.766123485283266
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfk0600.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0600.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:45:58Z",
            "pc:count": 4810319,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 606583.2407,
                "count": 4810319,
                "maximum": 606999.7275,
                "minimum": 605999.7075,
                "name": "X",
                "position": 0,
                "stddev": 263.290013,
                "variance": 69321.63095
              },
              {
                "average": 2400683.793,
                "count": 4810319,
                "maximum": 2400998.504,
                "minimum": 2399998.484,
                "name": "Y",
                "position": 1,
                "stddev": 235.3640003,
                "variance": 55396.21265
              },
              {
                "average": 3.432808438,
                "count": 4810319,
                "maximum": 24.15387651,
                "minimum": -2.766123485,
                "name": "Z",
                "position": 2,
                "stddev": 2.171644864,
                "variance": 4.716041414
              },
              {
                "average": 39.55661444,
                "count": 4810319,
                "maximum": 6815,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 56.34493707,
                "variance": 3174.751934
              },
              {
                "average": 1.237598795,
                "count": 4810319,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.6498837018,
                "variance": 0.4223488258
              },
              {
                "average": 1.475540603,
                "count": 4810319,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.010423766,
                "variance": 1.020956186
              },
              {
                "average": 1,
                "count": 4810319,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4810319,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 1.497849103,
                "count": 4810319,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.583104213,
                "variance": 6.672427373
              },
              {
                "average": 20.23459484,
                "count": 4810319,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.833027213,
                "variance": 8.026043189
              },
              {
                "average": 91.91256172,
                "count": 4810319,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 64.24212444,
                "variance": 4127.050552
              },
              {
                "average": 11.34913755,
                "count": 4810319,
                "maximum": 15,
                "minimum": 7,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.663370446,
                "variance": 7.093542132
              },
              {
                "average": 63882585.62,
                "count": 4810319,
                "maximum": 63932358.67,
                "minimum": 63847755.22,
                "name": "GpsTime",
                "position": 12,
                "stddev": 40583.41413,
                "variance": 1647013502
              },
              {
                "average": 0,
                "count": 4810319,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4810319,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4810319,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4810319,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 4810319,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              605999.7075,
              2399998.484,
              -2.766123485,
              606999.7275,
              2400998.504,
              24.15387651
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    605999.7075425494,
                    2399998.483846682,
                    -2.766123485283266
                  ],
                  [
                    605999.7075425494,
                    2400998.5038466817,
                    -2.766123485283266
                  ],
                  [
                    606999.7275425494,
                    2400998.5038466817,
                    24.153876514716735
                  ],
                  [
                    606999.7275425494,
                    2399998.483846682,
                    24.153876514716735
                  ],
                  [
                    605999.7075425494,
                    2399998.483846682,
                    -2.766123485283266
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:45:58+00:00",
            "end_time": "2013-09-22T01:15:55+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130921_ncmp_hi_oahu_4qfk0601.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.9751943472652,
              21.709270253907032,
              -34.01081196905005
            ],
            [
              -157.97513037133555,
              21.71830386307266,
              -34.01081196905005
            ],
            [
              -157.9654627666826,
              21.718243779018287,
              11.289188030949951
            ],
            [
              -157.96552734658079,
              21.709210197143516,
              11.289188030949951
            ],
            [
              -157.9751943472652,
              21.709270253907032,
              -34.01081196905005
            ]
          ]
        ]
      },
      "bbox": [
        -157.9751943,
        21.7092102,
        -34.01081197,
        -157.9654628,
        21.71830386,
        11.28918803
      ],
      "properties": {
        "datetime": "2013-09-23T00:45:46Z",
        "pc:count": 3949629,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 606497.8814,
            "count": 3949629,
            "maximum": 606999.7265,
            "minimum": 605999.7065,
            "name": "X",
            "position": 0,
            "stddev": 282.6686353,
            "variance": 79901.55739
          },
          {
            "average": 2401381.878,
            "count": 3949629,
            "maximum": 2401998.504,
            "minimum": 2400998.484,
            "name": "Y",
            "position": 1,
            "stddev": 228.9467085,
            "variance": 52416.59536
          },
          {
            "average": -8.398179269,
            "count": 3949629,
            "maximum": 11.28918803,
            "minimum": -34.01081197,
            "name": "Z",
            "position": 2,
            "stddev": 7.587644779,
            "variance": 57.5723533
          },
          {
            "average": 39.81365338,
            "count": 3949629,
            "maximum": 8892,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 86.67617208,
            "variance": 7512.758806
          },
          {
            "average": 1.026094096,
            "count": 3949629,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.1718195052,
            "variance": 0.02952194238
          },
          {
            "average": 1.039071265,
            "count": 3949629,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2211762786,
            "variance": 0.0489189462
          },
          {
            "average": 1,
            "count": 3949629,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3949629,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 26.71006745,
            "count": 3949629,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.640884852,
            "variance": 58.38312132
          },
          {
            "average": 18.86020285,
            "count": 3949629,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 5.164673038,
            "variance": 26.67384758
          },
          {
            "average": 115.9833369,
            "count": 3949629,
            "maximum": 253,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 80.56660858,
            "variance": 6490.978419
          },
          {
            "average": 10.43313486,
            "count": 3949629,
            "maximum": 15,
            "minimum": 4,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.338412792,
            "variance": 5.468174387
          },
          {
            "average": 63901891.1,
            "count": 3949629,
            "maximum": 63932346.06,
            "minimum": 63846554.97,
            "name": "GpsTime",
            "position": 12,
            "stddev": 39774.01025,
            "variance": 1581971891
          },
          {
            "average": 0,
            "count": 3949629,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3949629,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3949629,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3949629,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 3949629,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          605999.7065,
          2400998.484,
          -34.01081197,
          606999.7265,
          2401998.504,
          11.28918803
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                605999.7065231779,
                2400998.4836192336,
                -34.01081196905005
              ],
              [
                605999.7065231779,
                2401998.503619233,
                -34.01081196905005
              ],
              [
                606999.7265231779,
                2401998.503619233,
                11.289188030949951
              ],
              [
                606999.7265231779,
                2400998.4836192336,
                11.289188030949951
              ],
              [
                605999.7065231779,
                2400998.4836192336,
                -34.01081196905005
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-23T00:45:46+00:00",
        "end_time": "2013-09-22T00:55:54+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130921_ncmp_hi_oahu_4qfk0601.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130921_ncmp_hi_oahu_4qfk0601.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130921_ncmp_hi_oahu_4qfk0601.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0601.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.9751943,
            21.7092102,
            -34.01081197,
            -157.9654628,
            21.71830386,
            11.28918803
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.9751943472652,
                  21.709270253907032,
                  -34.01081196905005
                ],
                [
                  -157.97513037133555,
                  21.71830386307266,
                  -34.01081196905005
                ],
                [
                  -157.9654627666826,
                  21.718243779018287,
                  11.289188030949951
                ],
                [
                  -157.96552734658079,
                  21.709210197143516,
                  11.289188030949951
                ],
                [
                  -157.9751943472652,
                  21.709270253907032,
                  -34.01081196905005
                ]
              ]
            ]
          },
          "id": "20130921_ncmp_hi_oahu_4qfk0601.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130921_ncmp_hi_oahu_4qfk0601.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-23T00:45:46Z",
            "pc:count": 3949629,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 606497.8814,
                "count": 3949629,
                "maximum": 606999.7265,
                "minimum": 605999.7065,
                "name": "X",
                "position": 0,
                "stddev": 282.6686353,
                "variance": 79901.55739
              },
              {
                "average": 2401381.878,
                "count": 3949629,
                "maximum": 2401998.504,
                "minimum": 2400998.484,
                "name": "Y",
                "position": 1,
                "stddev": 228.9467085,
                "variance": 52416.59536
              },
              {
                "average": -8.398179269,
                "count": 3949629,
                "maximum": 11.28918803,
                "minimum": -34.01081197,
                "name": "Z",
                "position": 2,
                "stddev": 7.587644779,
                "variance": 57.5723533
              },
              {
                "average": 39.81365338,
                "count": 3949629,
                "maximum": 8892,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 86.67617208,
                "variance": 7512.758806
              },
              {
                "average": 1.026094096,
                "count": 3949629,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.1718195052,
                "variance": 0.02952194238
              },
              {
                "average": 1.039071265,
                "count": 3949629,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2211762786,
                "variance": 0.0489189462
              },
              {
                "average": 1,
                "count": 3949629,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3949629,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 26.71006745,
                "count": 3949629,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.640884852,
                "variance": 58.38312132
              },
              {
                "average": 18.86020285,
                "count": 3949629,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 5.164673038,
                "variance": 26.67384758
              },
              {
                "average": 115.9833369,
                "count": 3949629,
                "maximum": 253,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 80.56660858,
                "variance": 6490.978419
              },
              {
                "average": 10.43313486,
                "count": 3949629,
                "maximum": 15,
                "minimum": 4,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.338412792,
                "variance": 5.468174387
              },
              {
                "average": 63901891.1,
                "count": 3949629,
                "maximum": 63932346.06,
                "minimum": 63846554.97,
                "name": "GpsTime",
                "position": 12,
                "stddev": 39774.01025,
                "variance": 1581971891
              },
              {
                "average": 0,
                "count": 3949629,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3949629,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3949629,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3949629,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 3949629,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              605999.7065,
              2400998.484,
              -34.01081197,
              606999.7265,
              2401998.504,
              11.28918803
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    605999.7065231779,
                    2400998.4836192336,
                    -34.01081196905005
                  ],
                  [
                    605999.7065231779,
                    2401998.503619233,
                    -34.01081196905005
                  ],
                  [
                    606999.7265231779,
                    2401998.503619233,
                    11.289188030949951
                  ],
                  [
                    606999.7265231779,
                    2400998.4836192336,
                    11.289188030949951
                  ],
                  [
                    605999.7065231779,
                    2400998.4836192336,
                    -34.01081196905005
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-23T00:45:46+00:00",
            "end_time": "2013-09-22T00:55:54+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3658.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6886669010806,
              21.321615933163972,
              -2.393411738287966
            ],
            [
              -157.6886114693502,
              21.32784973758087,
              -2.393411738287966
            ],
            [
              -157.67897046199755,
              21.327774249502134,
              222.82658826171203
            ],
            [
              -157.67902629769063,
              21.32154046948538,
              222.82658826171203
            ],
            [
              -157.6886669010806,
              21.321615933163972,
              -2.393411738287966
            ]
          ]
        ]
      },
      "bbox": [
        -157.6886669,
        21.32154047,
        -2.393411738,
        -157.6789705,
        21.32784974,
        222.8265883
      ],
      "properties": {
        "datetime": "2013-09-21T00:19:55Z",
        "pc:count": 5698776,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636494.344,
            "count": 5698776,
            "maximum": 637000.0391,
            "minimum": 635999.9991,
            "name": "X",
            "position": 0,
            "stddev": 287.8469395,
            "variance": 82855.86059
          },
          {
            "average": 2358676.523,
            "count": 5698776,
            "maximum": 2358998.484,
            "minimum": 2358308.364,
            "name": "Y",
            "position": 1,
            "stddev": 149.4065553,
            "variance": 22322.31877
          },
          {
            "average": 36.27700013,
            "count": 5698776,
            "maximum": 222.8265883,
            "minimum": -2.393411738,
            "name": "Z",
            "position": 2,
            "stddev": 37.90057982,
            "variance": 1436.45395
          },
          {
            "average": 10.26871595,
            "count": 5698776,
            "maximum": 8966,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 24.79677786,
            "variance": 614.8801922
          },
          {
            "average": 1.950137538,
            "count": 5698776,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 1.125978048,
            "variance": 1.267826565
          },
          {
            "average": 2.901021904,
            "count": 5698776,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 1.51814605,
            "variance": 2.30476743
          },
          {
            "average": 1,
            "count": 5698776,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5698776,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 3.567927394,
            "count": 5698776,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 7.895799573,
            "variance": 62.34365089
          },
          {
            "average": 20.53136374,
            "count": 5698776,
            "maximum": 37.0019989,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 3.328776706,
            "variance": 11.08075436
          },
          {
            "average": 90.17173442,
            "count": 5698776,
            "maximum": 249,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 67.84118362,
            "variance": 4602.426195
          },
          {
            "average": 4.194806218,
            "count": 5698776,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.657974715,
            "variance": 2.748880156
          },
          {
            "average": 63659981.68,
            "count": 5698776,
            "maximum": 63757995.89,
            "minimum": 63650278.93,
            "name": "GpsTime",
            "position": 12,
            "stddev": 27867.56036,
            "variance": 776600920.4
          },
          {
            "average": 0,
            "count": 5698776,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5698776,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5698776,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5698776,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5698776,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          635999.9991,
          2358308.364,
          -2.393411738,
          637000.0391,
          2358998.484,
          222.8265883
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                635999.9991314737,
                2358308.364440626,
                -2.393411738287966
              ],
              [
                635999.9991314737,
                2358998.484440626,
                -2.393411738287966
              ],
              [
                637000.0391314737,
                2358998.484440626,
                222.82658826171203
              ],
              [
                637000.0391314737,
                2358308.364440626,
                222.82658826171203
              ],
              [
                635999.9991314737,
                2358308.364440626,
                -2.393411738287966
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-21T00:19:55+00:00",
        "end_time": "2013-09-19T18:24:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3658.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3658.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3658.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3658.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6886669,
            21.32154047,
            -2.393411738,
            -157.6789705,
            21.32784974,
            222.8265883
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6886669010806,
                  21.321615933163972,
                  -2.393411738287966
                ],
                [
                  -157.6886114693502,
                  21.32784973758087,
                  -2.393411738287966
                ],
                [
                  -157.67897046199755,
                  21.327774249502134,
                  222.82658826171203
                ],
                [
                  -157.67902629769063,
                  21.32154046948538,
                  222.82658826171203
                ],
                [
                  -157.6886669010806,
                  21.321615933163972,
                  -2.393411738287966
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3658.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3658.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-21T00:19:55Z",
            "pc:count": 5698776,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636494.344,
                "count": 5698776,
                "maximum": 637000.0391,
                "minimum": 635999.9991,
                "name": "X",
                "position": 0,
                "stddev": 287.8469395,
                "variance": 82855.86059
              },
              {
                "average": 2358676.523,
                "count": 5698776,
                "maximum": 2358998.484,
                "minimum": 2358308.364,
                "name": "Y",
                "position": 1,
                "stddev": 149.4065553,
                "variance": 22322.31877
              },
              {
                "average": 36.27700013,
                "count": 5698776,
                "maximum": 222.8265883,
                "minimum": -2.393411738,
                "name": "Z",
                "position": 2,
                "stddev": 37.90057982,
                "variance": 1436.45395
              },
              {
                "average": 10.26871595,
                "count": 5698776,
                "maximum": 8966,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 24.79677786,
                "variance": 614.8801922
              },
              {
                "average": 1.950137538,
                "count": 5698776,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 1.125978048,
                "variance": 1.267826565
              },
              {
                "average": 2.901021904,
                "count": 5698776,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 1.51814605,
                "variance": 2.30476743
              },
              {
                "average": 1,
                "count": 5698776,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5698776,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 3.567927394,
                "count": 5698776,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 7.895799573,
                "variance": 62.34365089
              },
              {
                "average": 20.53136374,
                "count": 5698776,
                "maximum": 37.0019989,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 3.328776706,
                "variance": 11.08075436
              },
              {
                "average": 90.17173442,
                "count": 5698776,
                "maximum": 249,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 67.84118362,
                "variance": 4602.426195
              },
              {
                "average": 4.194806218,
                "count": 5698776,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.657974715,
                "variance": 2.748880156
              },
              {
                "average": 63659981.68,
                "count": 5698776,
                "maximum": 63757995.89,
                "minimum": 63650278.93,
                "name": "GpsTime",
                "position": 12,
                "stddev": 27867.56036,
                "variance": 776600920.4
              },
              {
                "average": 0,
                "count": 5698776,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5698776,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5698776,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5698776,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5698776,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              635999.9991,
              2358308.364,
              -2.393411738,
              637000.0391,
              2358998.484,
              222.8265883
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    635999.9991314737,
                    2358308.364440626,
                    -2.393411738287966
                  ],
                  [
                    635999.9991314737,
                    2358998.484440626,
                    -2.393411738287966
                  ],
                  [
                    637000.0391314737,
                    2358998.484440626,
                    222.82658826171203
                  ],
                  [
                    637000.0391314737,
                    2358308.364440626,
                    222.82658826171203
                  ],
                  [
                    635999.9991314737,
                    2358308.364440626,
                    -2.393411738287966
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-21T00:19:55+00:00",
            "end_time": "2013-09-19T18:24:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3659.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6886114602106,
              21.32784964480285,
              -7.659806562816682
            ],
            [
              -157.68853116546876,
              21.33688274160792,
              -7.659806562816682
            ],
            [
              -157.67888956709058,
              21.336807218595798,
              17.60019343718332
            ],
            [
              -157.6789704528641,
              21.3277741567239,
              17.60019343718332
            ],
            [
              -157.6886114602106,
              21.32784964480285,
              -7.659806562816682
            ]
          ]
        ]
      },
      "bbox": [
        -157.6886115,
        21.32777416,
        -7.659806563,
        -157.6788896,
        21.33688274,
        17.60019344
      ],
      "properties": {
        "datetime": "2013-09-20T20:48:51Z",
        "pc:count": 7437008,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636474.5528,
            "count": 7437008,
            "maximum": 637000.0402,
            "minimum": 636000.0002,
            "name": "X",
            "position": 0,
            "stddev": 292.6990955,
            "variance": 85672.76049
          },
          {
            "average": 2359545.321,
            "count": 7437008,
            "maximum": 2359998.494,
            "minimum": 2358998.474,
            "name": "Y",
            "position": 1,
            "stddev": 280.3906564,
            "variance": 78618.92018
          },
          {
            "average": -2.733561476,
            "count": 7437008,
            "maximum": 17.60019344,
            "minimum": -7.659806563,
            "name": "Z",
            "position": 2,
            "stddev": 1.193932272,
            "variance": 1.42547427
          },
          {
            "average": 11.743595,
            "count": 7437008,
            "maximum": 8988,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 35.15861151,
            "variance": 1236.127963
          },
          {
            "average": 1.059326009,
            "count": 7437008,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2485348915,
            "variance": 0.06176959231
          },
          {
            "average": 1.100888287,
            "count": 7437008,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3212577577,
            "variance": 0.1032065469
          },
          {
            "average": 1,
            "count": 7437008,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7437008,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 28.84234708,
            "count": 7437008,
            "maximum": 29,
            "minimum": 1,
            "name": "Classification",
            "position": 8,
            "stddev": 2.085973597,
            "variance": 4.351285849
          },
          {
            "average": 20.08438119,
            "count": 7437008,
            "maximum": 28.99799919,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.250703404,
            "variance": 5.065665813
          },
          {
            "average": 89.86814012,
            "count": 7437008,
            "maximum": 252,
            "minimum": 0,
            "name": "UserData",
            "position": 10,
            "stddev": 68.88564183,
            "variance": 4745.23165
          },
          {
            "average": 4.363086203,
            "count": 7437008,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 2.623456787,
            "variance": 6.882525511
          },
          {
            "average": 63667276.07,
            "count": 7437008,
            "maximum": 63745331.19,
            "minimum": 63590516.48,
            "name": "GpsTime",
            "position": 12,
            "stddev": 68101.91603,
            "variance": 4637870966
          },
          {
            "average": 0,
            "count": 7437008,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7437008,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7437008,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7437008,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 7437008,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          636000.0002,
          2358998.474,
          -7.659806563,
          637000.0402,
          2359998.494,
          17.60019344
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                636000.0001649545,
                2358998.4741781326,
                -7.659806562816682
              ],
              [
                636000.0001649545,
                2359998.494178132,
                -7.659806562816682
              ],
              [
                637000.0401649545,
                2359998.494178132,
                17.60019343718332
              ],
              [
                637000.0401649545,
                2358998.4741781326,
                17.60019343718332
              ],
              [
                636000.0001649545,
                2358998.4741781326,
                -7.659806562816682
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:48:51+00:00",
        "end_time": "2013-09-19T01:48:36+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3659.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3659.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3659.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3659.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6886115,
            21.32777416,
            -7.659806563,
            -157.6788896,
            21.33688274,
            17.60019344
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6886114602106,
                  21.32784964480285,
                  -7.659806562816682
                ],
                [
                  -157.68853116546876,
                  21.33688274160792,
                  -7.659806562816682
                ],
                [
                  -157.67888956709058,
                  21.336807218595798,
                  17.60019343718332
                ],
                [
                  -157.6789704528641,
                  21.3277741567239,
                  17.60019343718332
                ],
                [
                  -157.6886114602106,
                  21.32784964480285,
                  -7.659806562816682
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3659.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3659.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:48:51Z",
            "pc:count": 7437008,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636474.5528,
                "count": 7437008,
                "maximum": 637000.0402,
                "minimum": 636000.0002,
                "name": "X",
                "position": 0,
                "stddev": 292.6990955,
                "variance": 85672.76049
              },
              {
                "average": 2359545.321,
                "count": 7437008,
                "maximum": 2359998.494,
                "minimum": 2358998.474,
                "name": "Y",
                "position": 1,
                "stddev": 280.3906564,
                "variance": 78618.92018
              },
              {
                "average": -2.733561476,
                "count": 7437008,
                "maximum": 17.60019344,
                "minimum": -7.659806563,
                "name": "Z",
                "position": 2,
                "stddev": 1.193932272,
                "variance": 1.42547427
              },
              {
                "average": 11.743595,
                "count": 7437008,
                "maximum": 8988,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 35.15861151,
                "variance": 1236.127963
              },
              {
                "average": 1.059326009,
                "count": 7437008,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2485348915,
                "variance": 0.06176959231
              },
              {
                "average": 1.100888287,
                "count": 7437008,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3212577577,
                "variance": 0.1032065469
              },
              {
                "average": 1,
                "count": 7437008,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7437008,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 28.84234708,
                "count": 7437008,
                "maximum": 29,
                "minimum": 1,
                "name": "Classification",
                "position": 8,
                "stddev": 2.085973597,
                "variance": 4.351285849
              },
              {
                "average": 20.08438119,
                "count": 7437008,
                "maximum": 28.99799919,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.250703404,
                "variance": 5.065665813
              },
              {
                "average": 89.86814012,
                "count": 7437008,
                "maximum": 252,
                "minimum": 0,
                "name": "UserData",
                "position": 10,
                "stddev": 68.88564183,
                "variance": 4745.23165
              },
              {
                "average": 4.363086203,
                "count": 7437008,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 2.623456787,
                "variance": 6.882525511
              },
              {
                "average": 63667276.07,
                "count": 7437008,
                "maximum": 63745331.19,
                "minimum": 63590516.48,
                "name": "GpsTime",
                "position": 12,
                "stddev": 68101.91603,
                "variance": 4637870966
              },
              {
                "average": 0,
                "count": 7437008,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7437008,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7437008,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7437008,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 7437008,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              636000.0002,
              2358998.474,
              -7.659806563,
              637000.0402,
              2359998.494,
              17.60019344
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    636000.0001649545,
                    2358998.4741781326,
                    -7.659806562816682
                  ],
                  [
                    636000.0001649545,
                    2359998.494178132,
                    -7.659806562816682
                  ],
                  [
                    637000.0401649545,
                    2359998.494178132,
                    17.60019343718332
                  ],
                  [
                    637000.0401649545,
                    2358998.4741781326,
                    17.60019343718332
                  ],
                  [
                    636000.0001649545,
                    2358998.4741781326,
                    -7.659806562816682
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:48:51+00:00",
            "end_time": "2013-09-19T01:48:36+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130918_ncmp_hi_oahu_4qfj3660.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.688531181271,
              21.336882554038088,
              -9.859578665763866
            ],
            [
              -157.68845085302635,
              21.34591564027085,
              -9.859578665763866
            ],
            [
              -157.67880866238852,
              21.34584008239773,
              0.100421334236135
            ],
            [
              -157.6788895829051,
              21.336807031027504,
              0.100421334236135
            ],
            [
              -157.688531181271,
              21.336882554038088,
              -9.859578665763866
            ]
          ]
        ]
      },
      "bbox": [
        -157.6885312,
        21.33680703,
        -9.859578666,
        -157.6788087,
        21.34591564,
        0.1004213342
      ],
      "properties": {
        "datetime": "2013-09-20T20:24:34Z",
        "pc:count": 5389583,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636480.7276,
            "count": 5389583,
            "maximum": 637000.0387,
            "minimum": 635999.9987,
            "name": "X",
            "position": 0,
            "stddev": 278.6027926,
            "variance": 77619.51605
          },
          {
            "average": 2360433.33,
            "count": 5389583,
            "maximum": 2360998.493,
            "minimum": 2359998.473,
            "name": "Y",
            "position": 1,
            "stddev": 288.9335305,
            "variance": 83482.58503
          },
          {
            "average": -3.798920542,
            "count": 5389583,
            "maximum": 0.1004213342,
            "minimum": -9.859578666,
            "name": "Z",
            "position": 2,
            "stddev": 1.471771836,
            "variance": 2.166112339
          },
          {
            "average": 11.20485889,
            "count": 5389583,
            "maximum": 8385,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 32.94399719,
            "variance": 1085.306951
          },
          {
            "average": 1.093701683,
            "count": 5389583,
            "maximum": 5,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.3018405244,
            "variance": 0.09110770218
          },
          {
            "average": 1.164098595,
            "count": 5389583,
            "maximum": 5,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3852321327,
            "variance": 0.1484037961
          },
          {
            "average": 1,
            "count": 5389583,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5389583,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 5389583,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 20.04686683,
            "count": 5389583,
            "maximum": 25.00200081,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.068223622,
            "variance": 4.277548952
          },
          {
            "average": 91.72787579,
            "count": 5389583,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 67.54365511,
            "variance": 4562.145346
          },
          {
            "average": 3.243998098,
            "count": 5389583,
            "maximum": 7,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.585864509,
            "variance": 2.514966242
          },
          {
            "average": 63716703.75,
            "count": 5389583,
            "maximum": 63743874.28,
            "minimum": 63590517.93,
            "name": "GpsTime",
            "position": 12,
            "stddev": 56085.01441,
            "variance": 3145528842
          },
          {
            "average": 0,
            "count": 5389583,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5389583,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5389583,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5389583,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 5389583,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          635999.9987,
          2359998.473,
          -9.859578666,
          637000.0387,
          2360998.493,
          0.1004213342
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                635999.9986989996,
                2359998.4734007614,
                -9.859578665763866
              ],
              [
                635999.9986989996,
                2360998.493400761,
                -9.859578665763866
              ],
              [
                637000.0386989997,
                2360998.493400761,
                0.100421334236135
              ],
              [
                637000.0386989997,
                2359998.4734007614,
                0.100421334236135
              ],
              [
                635999.9986989996,
                2359998.4734007614,
                -9.859578665763866
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T20:24:34+00:00",
        "end_time": "2013-09-19T01:48:37+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130918_ncmp_hi_oahu_4qfj3660.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130918_ncmp_hi_oahu_4qfj3660.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130918_ncmp_hi_oahu_4qfj3660.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3660.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6885312,
            21.33680703,
            -9.859578666,
            -157.6788087,
            21.34591564,
            0.1004213342
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.688531181271,
                  21.336882554038088,
                  -9.859578665763866
                ],
                [
                  -157.68845085302635,
                  21.34591564027085,
                  -9.859578665763866
                ],
                [
                  -157.67880866238852,
                  21.34584008239773,
                  0.100421334236135
                ],
                [
                  -157.6788895829051,
                  21.336807031027504,
                  0.100421334236135
                ],
                [
                  -157.688531181271,
                  21.336882554038088,
                  -9.859578665763866
                ]
              ]
            ]
          },
          "id": "20130918_ncmp_hi_oahu_4qfj3660.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130918_ncmp_hi_oahu_4qfj3660.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T20:24:34Z",
            "pc:count": 5389583,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636480.7276,
                "count": 5389583,
                "maximum": 637000.0387,
                "minimum": 635999.9987,
                "name": "X",
                "position": 0,
                "stddev": 278.6027926,
                "variance": 77619.51605
              },
              {
                "average": 2360433.33,
                "count": 5389583,
                "maximum": 2360998.493,
                "minimum": 2359998.473,
                "name": "Y",
                "position": 1,
                "stddev": 288.9335305,
                "variance": 83482.58503
              },
              {
                "average": -3.798920542,
                "count": 5389583,
                "maximum": 0.1004213342,
                "minimum": -9.859578666,
                "name": "Z",
                "position": 2,
                "stddev": 1.471771836,
                "variance": 2.166112339
              },
              {
                "average": 11.20485889,
                "count": 5389583,
                "maximum": 8385,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 32.94399719,
                "variance": 1085.306951
              },
              {
                "average": 1.093701683,
                "count": 5389583,
                "maximum": 5,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.3018405244,
                "variance": 0.09110770218
              },
              {
                "average": 1.164098595,
                "count": 5389583,
                "maximum": 5,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3852321327,
                "variance": 0.1484037961
              },
              {
                "average": 1,
                "count": 5389583,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5389583,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 5389583,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 20.04686683,
                "count": 5389583,
                "maximum": 25.00200081,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.068223622,
                "variance": 4.277548952
              },
              {
                "average": 91.72787579,
                "count": 5389583,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 67.54365511,
                "variance": 4562.145346
              },
              {
                "average": 3.243998098,
                "count": 5389583,
                "maximum": 7,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.585864509,
                "variance": 2.514966242
              },
              {
                "average": 63716703.75,
                "count": 5389583,
                "maximum": 63743874.28,
                "minimum": 63590517.93,
                "name": "GpsTime",
                "position": 12,
                "stddev": 56085.01441,
                "variance": 3145528842
              },
              {
                "average": 0,
                "count": 5389583,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5389583,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5389583,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5389583,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 5389583,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              635999.9987,
              2359998.473,
              -9.859578666,
              637000.0387,
              2360998.493,
              0.1004213342
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    635999.9986989996,
                    2359998.4734007614,
                    -9.859578665763866
                  ],
                  [
                    635999.9986989996,
                    2360998.493400761,
                    -9.859578665763866
                  ],
                  [
                    637000.0386989997,
                    2360998.493400761,
                    0.100421334236135
                  ],
                  [
                    637000.0386989997,
                    2359998.4734007614,
                    0.100421334236135
                  ],
                  [
                    635999.9986989996,
                    2359998.4734007614,
                    -9.859578665763866
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T20:24:34+00:00",
            "end_time": "2013-09-19T01:48:37+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3661.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6884508038601,
              21.345915568081416,
              -14.868223615259753
            ],
            [
              -157.68837044368092,
              21.354948463082167,
              -14.868223615259753
            ],
            [
              -157.6787278523946,
              21.354872871932518,
              -0.588223615259752
            ],
            [
              -157.67880880606285,
              21.34584001172234,
              -0.588223615259752
            ],
            [
              -157.6884508038601,
              21.345915568081416,
              -14.868223615259753
            ]
          ]
        ]
      },
      "bbox": [
        -157.6884508,
        21.34584001,
        -14.86822362,
        -157.6787279,
        21.35494846,
        -0.5882236153
      ],
      "properties": {
        "datetime": "2013-09-20T19:49:23Z",
        "pc:count": 2765255,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636331.3346,
            "count": 2765255,
            "maximum": 637000.0239,
            "minimum": 636000.0039,
            "name": "X",
            "position": 0,
            "stddev": 214.6713457,
            "variance": 46083.78665
          },
          {
            "average": 2361441.549,
            "count": 2765255,
            "maximum": 2361998.485,
            "minimum": 2360998.485,
            "name": "Y",
            "position": 1,
            "stddev": 284.6772208,
            "variance": 81041.12006
          },
          {
            "average": -4.263969053,
            "count": 2765255,
            "maximum": -0.5882236153,
            "minimum": -14.86822362,
            "name": "Z",
            "position": 2,
            "stddev": 1.330958431,
            "variance": 1.771450344
          },
          {
            "average": 8.164997803,
            "count": 2765255,
            "maximum": 1146,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 21.85730801,
            "variance": 477.7419134
          },
          {
            "average": 1.078324422,
            "count": 2765255,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2753302758,
            "variance": 0.07580676075
          },
          {
            "average": 1.124328136,
            "count": 2765255,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.3401306664,
            "variance": 0.1156888702
          },
          {
            "average": 1,
            "count": 2765255,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2765255,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 2765255,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.93317207,
            "count": 2765255,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.096605158,
            "variance": 4.395753188
          },
          {
            "average": 99.64909023,
            "count": 2765255,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 70.0739293,
            "variance": 4910.355567
          },
          {
            "average": 1.820646559,
            "count": 2765255,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 1.499318139,
            "variance": 2.247954881
          },
          {
            "average": 63714524.03,
            "count": 2765255,
            "maximum": 63741763.41,
            "minimum": 63657778.12,
            "name": "GpsTime",
            "position": 12,
            "stddev": 31118.08605,
            "variance": 968335279.3
          },
          {
            "average": 0,
            "count": 2765255,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2765255,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2765255,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2765255,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 2765255,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          636000.0039,
          2360998.485,
          -14.86822362,
          637000.0239,
          2361998.485,
          -0.5882236153
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                636000.003864503,
                2360998.485451976,
                -14.868223615259753
              ],
              [
                636000.003864503,
                2361998.485451976,
                -14.868223615259753
              ],
              [
                637000.023864503,
                2361998.485451976,
                -0.588223615259752
              ],
              [
                637000.023864503,
                2360998.485451976,
                -0.588223615259752
              ],
              [
                636000.003864503,
                2360998.485451976,
                -14.868223615259753
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T19:49:23+00:00",
        "end_time": "2013-09-19T20:29:38+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3661.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3661.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3661.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3661.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6884508,
            21.34584001,
            -14.86822362,
            -157.6787279,
            21.35494846,
            -0.5882236153
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6884508038601,
                  21.345915568081416,
                  -14.868223615259753
                ],
                [
                  -157.68837044368092,
                  21.354948463082167,
                  -14.868223615259753
                ],
                [
                  -157.6787278523946,
                  21.354872871932518,
                  -0.588223615259752
                ],
                [
                  -157.67880880606285,
                  21.34584001172234,
                  -0.588223615259752
                ],
                [
                  -157.6884508038601,
                  21.345915568081416,
                  -14.868223615259753
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3661.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3661.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T19:49:23Z",
            "pc:count": 2765255,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636331.3346,
                "count": 2765255,
                "maximum": 637000.0239,
                "minimum": 636000.0039,
                "name": "X",
                "position": 0,
                "stddev": 214.6713457,
                "variance": 46083.78665
              },
              {
                "average": 2361441.549,
                "count": 2765255,
                "maximum": 2361998.485,
                "minimum": 2360998.485,
                "name": "Y",
                "position": 1,
                "stddev": 284.6772208,
                "variance": 81041.12006
              },
              {
                "average": -4.263969053,
                "count": 2765255,
                "maximum": -0.5882236153,
                "minimum": -14.86822362,
                "name": "Z",
                "position": 2,
                "stddev": 1.330958431,
                "variance": 1.771450344
              },
              {
                "average": 8.164997803,
                "count": 2765255,
                "maximum": 1146,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 21.85730801,
                "variance": 477.7419134
              },
              {
                "average": 1.078324422,
                "count": 2765255,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2753302758,
                "variance": 0.07580676075
              },
              {
                "average": 1.124328136,
                "count": 2765255,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.3401306664,
                "variance": 0.1156888702
              },
              {
                "average": 1,
                "count": 2765255,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2765255,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 2765255,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.93317207,
                "count": 2765255,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.096605158,
                "variance": 4.395753188
              },
              {
                "average": 99.64909023,
                "count": 2765255,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 70.0739293,
                "variance": 4910.355567
              },
              {
                "average": 1.820646559,
                "count": 2765255,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 1.499318139,
                "variance": 2.247954881
              },
              {
                "average": 63714524.03,
                "count": 2765255,
                "maximum": 63741763.41,
                "minimum": 63657778.12,
                "name": "GpsTime",
                "position": 12,
                "stddev": 31118.08605,
                "variance": 968335279.3
              },
              {
                "average": 0,
                "count": 2765255,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2765255,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2765255,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2765255,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 2765255,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              636000.0039,
              2360998.485,
              -14.86822362,
              637000.0239,
              2361998.485,
              -0.5882236153
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    636000.003864503,
                    2360998.485451976,
                    -14.868223615259753
                  ],
                  [
                    636000.003864503,
                    2361998.485451976,
                    -14.868223615259753
                  ],
                  [
                    637000.023864503,
                    2361998.485451976,
                    -0.588223615259752
                  ],
                  [
                    637000.023864503,
                    2360998.485451976,
                    -0.588223615259752
                  ],
                  [
                    636000.003864503,
                    2360998.485451976,
                    -14.868223615259753
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T19:49:23+00:00",
            "end_time": "2013-09-19T20:29:38+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json"
      ],
      "id": "20130919_ncmp_hi_oahu_4qfj3662.copc",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -157.6883704256056,
              21.35494840661223,
              -19.087274619871053
            ],
            [
              -157.68829003024447,
              21.363981471695304,
              -19.087274619871053
            ],
            [
              -157.67864684421943,
              21.36390584582403,
              -0.947274619871052
            ],
            [
              -157.67872783432304,
              21.354872815461736,
              -0.947274619871052
            ],
            [
              -157.6883704256056,
              21.35494840661223,
              -19.087274619871053
            ]
          ]
        ]
      },
      "bbox": [
        -157.6883704,
        21.35487282,
        -19.08727462,
        -157.6786468,
        21.36398147,
        -0.9472746199
      ],
      "properties": {
        "datetime": "2013-09-20T02:27:52Z",
        "pc:count": 492732,
        "pc:encoding": ".laz",
        "pc:schemas": [
          {
            "name": "X",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Y",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Z",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "Intensity",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "ReturnNumber",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "NumberOfReturns",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanDirectionFlag",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "EdgeOfFlightLine",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Classification",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Synthetic",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "KeyPoint",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Withheld",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "Overlap",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "ScanAngleRank",
            "size": 4,
            "type": "floating"
          },
          {
            "name": "UserData",
            "size": 1,
            "type": "unsigned"
          },
          {
            "name": "PointSourceId",
            "size": 2,
            "type": "unsigned"
          },
          {
            "name": "GpsTime",
            "size": 8,
            "type": "floating"
          },
          {
            "name": "ScanChannel",
            "size": 1,
            "type": "unsigned"
          }
        ],
        "pc:statistics": [
          {
            "average": 636301.4495,
            "count": 492732,
            "maximum": 637000.0258,
            "minimum": 636000.0058,
            "name": "X",
            "position": 0,
            "stddev": 248.9383516,
            "variance": 61970.30288
          },
          {
            "average": 2362298.373,
            "count": 492732,
            "maximum": 2362998.499,
            "minimum": 2361998.479,
            "name": "Y",
            "position": 1,
            "stddev": 286.4997186,
            "variance": 82082.08878
          },
          {
            "average": -5.376896321,
            "count": 492732,
            "maximum": -0.9472746199,
            "minimum": -19.08727462,
            "name": "Z",
            "position": 2,
            "stddev": 3.833499962,
            "variance": 14.69572196
          },
          {
            "average": 18.35488054,
            "count": 492732,
            "maximum": 4982,
            "minimum": 0,
            "name": "Intensity",
            "position": 3,
            "stddev": 36.20938044,
            "variance": 1311.119232
          },
          {
            "average": 1.043051801,
            "count": 492732,
            "maximum": 4,
            "minimum": 1,
            "name": "ReturnNumber",
            "position": 4,
            "stddev": 0.2062373421,
            "variance": 0.04253384128
          },
          {
            "average": 1.045095508,
            "count": 492732,
            "maximum": 4,
            "minimum": 1,
            "name": "NumberOfReturns",
            "position": 5,
            "stddev": 0.2116199684,
            "variance": 0.04478301103
          },
          {
            "average": 1,
            "count": 492732,
            "maximum": 1,
            "minimum": 1,
            "name": "ScanDirectionFlag",
            "position": 6,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 492732,
            "maximum": 0,
            "minimum": 0,
            "name": "EdgeOfFlightLine",
            "position": 7,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 29,
            "count": 492732,
            "maximum": 29,
            "minimum": 29,
            "name": "Classification",
            "position": 8,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 19.71389093,
            "count": 492732,
            "maximum": 24,
            "minimum": 0,
            "name": "ScanAngleRank",
            "position": 9,
            "stddev": 2.422767906,
            "variance": 5.869804326
          },
          {
            "average": 134.13855,
            "count": 492732,
            "maximum": 252,
            "minimum": 1,
            "name": "UserData",
            "position": 10,
            "stddev": 86.64928269,
            "variance": 7508.09819
          },
          {
            "average": 5.747172905,
            "count": 492732,
            "maximum": 10,
            "minimum": 1,
            "name": "PointSourceId",
            "position": 11,
            "stddev": 3.893344128,
            "variance": 15.1581285
          },
          {
            "average": 63666413.53,
            "count": 492732,
            "maximum": 63679272.43,
            "minimum": 63655003,
            "name": "GpsTime",
            "position": 12,
            "stddev": 10107.57848,
            "variance": 102163142.6
          },
          {
            "average": 0,
            "count": 492732,
            "maximum": 0,
            "minimum": 0,
            "name": "ScanChannel",
            "position": 13,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 492732,
            "maximum": 0,
            "minimum": 0,
            "name": "Synthetic",
            "position": 14,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 492732,
            "maximum": 0,
            "minimum": 0,
            "name": "KeyPoint",
            "position": 15,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 492732,
            "maximum": 0,
            "minimum": 0,
            "name": "Withheld",
            "position": 16,
            "stddev": 0,
            "variance": 0
          },
          {
            "average": 0,
            "count": 492732,
            "maximum": 0,
            "minimum": 0,
            "name": "Overlap",
            "position": 17,
            "stddev": 0,
            "variance": 0
          }
        ],
        "pc:type": "lidar",
        "proj:bbox": [
          636000.0058,
          2361998.479,
          -19.08727462,
          637000.0258,
          2362998.499,
          -0.9472746199
        ],
        "proj:geometry": {
          "type": "Polygon",
          "coordinates": [
            [
              [
                636000.0057910474,
                2361998.4792164466,
                -19.087274619871053
              ],
              [
                636000.0057910474,
                2362998.499216446,
                -19.087274619871053
              ],
              [
                637000.0257910474,
                2362998.499216446,
                -0.947274619871052
              ],
              [
                637000.0257910474,
                2361998.4792164466,
                -0.947274619871052
              ],
              [
                636000.0057910474,
                2361998.4792164466,
                -19.087274619871053
              ]
            ]
          ]
        },
        "proj:projjson": {
          "type": "CompoundCRS",
          "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
          "components": [
            {
              "type": "ProjectedCRS",
              "name": "NAD83(PA11) / UTM zone 4N",
              "base_crs": {
                "type": "GeographicCRS",
                "name": "NAD83(PA11)",
                "datum": {
                  "type": "GeodeticReferenceFrame",
                  "name": "NAD83 (National Spatial Reference System PA11)",
                  "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                  }
                },
                "coordinate_system": {
                  "subtype": "ellipsoidal",
                  "axis": [
                    {
                      "name": "Geodetic latitude",
                      "abbreviation": "Lat",
                      "direction": "north",
                      "unit": "degree"
                    },
                    {
                      "name": "Geodetic longitude",
                      "abbreviation": "Lon",
                      "direction": "east",
                      "unit": "degree"
                    }
                  ]
                },
                "id": {
                  "authority": "EPSG",
                  "code": 6322
                }
              },
              "conversion": {
                "name": "UTM zone 4N",
                "method": {
                  "name": "Transverse Mercator",
                  "id": {
                    "authority": "EPSG",
                    "code": 9807
                  }
                },
                "parameters": [
                  {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8801
                    }
                  },
                  {
                    "name": "Longitude of natural origin",
                    "value": -159,
                    "unit": "degree",
                    "id": {
                      "authority": "EPSG",
                      "code": 8802
                    }
                  },
                  {
                    "name": "Scale factor at natural origin",
                    "value": 0.9996,
                    "unit": "unity",
                    "id": {
                      "authority": "EPSG",
                      "code": 8805
                    }
                  },
                  {
                    "name": "False easting",
                    "value": 500000,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8806
                    }
                  },
                  {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                      "authority": "EPSG",
                      "code": 8807
                    }
                  }
                ]
              },
              "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                  {
                    "name": "Easting",
                    "abbreviation": "",
                    "direction": "east",
                    "unit": "metre"
                  },
                  {
                    "name": "Northing",
                    "abbreviation": "",
                    "direction": "north",
                    "unit": "metre"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6634
              }
            },
            {
              "type": "VerticalCRS",
              "name": "Hawaii GPS-derived Ortho height (m)",
              "datum": {
                "type": "VerticalReferenceFrame",
                "name": "NAD83 Ellipsoid + Geoid"
              },
              "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                  {
                    "name": "Gravity-related height",
                    "abbreviation": "",
                    "direction": "up",
                    "unit": "metre"
                  }
                ]
              }
            }
          ]
        },
        "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
        "start_time": "2013-09-20T02:27:52+00:00",
        "end_time": "2013-09-19T19:43:23+00:00",
        "license": "CC-BY-1.0"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/stac/20130919_ncmp_hi_oahu_4qfj3662.copc.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "20130919_ncmp_hi_oahu_4qfj3662.copc": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/5012/20130919_ncmp_hi_oahu_4qfj3662.copc.laz",
          "type": "Feature",
          "assets": {
            "data": {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3662.copc.laz",
              "title": "Pointcloud data"
            }
          },
          "bbox": [
            -157.6883704,
            21.35487282,
            -19.08727462,
            -157.6786468,
            21.36398147,
            -0.9472746199
          ],
          "geometry": {
            "type": "Polygon",
            "coordinates": [
              [
                [
                  -157.6883704256056,
                  21.35494840661223,
                  -19.087274619871053
                ],
                [
                  -157.68829003024447,
                  21.363981471695304,
                  -19.087274619871053
                ],
                [
                  -157.67864684421943,
                  21.36390584582403,
                  -0.947274619871052
                ],
                [
                  -157.67872783432304,
                  21.354872815461736,
                  -0.947274619871052
                ],
                [
                  -157.6883704256056,
                  21.35494840661223,
                  -19.087274619871053
                ]
              ]
            ]
          },
          "id": "20130919_ncmp_hi_oahu_4qfj3662.copc",
          "links": [
            {
              "href": "/san1/reef/lidar1_z/geoid12b/data/5012/20130919_ncmp_hi_oahu_4qfj3662.copc.laz",
              "rel": "derived_from"
            }
          ],
          "properties": {
            "datetime": "2013-09-20T02:27:52Z",
            "pc:count": 492732,
            "pc:encoding": ".laz",
            "pc:schemas": [
              {
                "name": "X",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Y",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Z",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "Intensity",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "ReturnNumber",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "NumberOfReturns",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanDirectionFlag",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "EdgeOfFlightLine",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Classification",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Synthetic",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "KeyPoint",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Withheld",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "Overlap",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "ScanAngleRank",
                "size": 4,
                "type": "floating"
              },
              {
                "name": "UserData",
                "size": 1,
                "type": "unsigned"
              },
              {
                "name": "PointSourceId",
                "size": 2,
                "type": "unsigned"
              },
              {
                "name": "GpsTime",
                "size": 8,
                "type": "floating"
              },
              {
                "name": "ScanChannel",
                "size": 1,
                "type": "unsigned"
              }
            ],
            "pc:statistics": [
              {
                "average": 636301.4495,
                "count": 492732,
                "maximum": 637000.0258,
                "minimum": 636000.0058,
                "name": "X",
                "position": 0,
                "stddev": 248.9383516,
                "variance": 61970.30288
              },
              {
                "average": 2362298.373,
                "count": 492732,
                "maximum": 2362998.499,
                "minimum": 2361998.479,
                "name": "Y",
                "position": 1,
                "stddev": 286.4997186,
                "variance": 82082.08878
              },
              {
                "average": -5.376896321,
                "count": 492732,
                "maximum": -0.9472746199,
                "minimum": -19.08727462,
                "name": "Z",
                "position": 2,
                "stddev": 3.833499962,
                "variance": 14.69572196
              },
              {
                "average": 18.35488054,
                "count": 492732,
                "maximum": 4982,
                "minimum": 0,
                "name": "Intensity",
                "position": 3,
                "stddev": 36.20938044,
                "variance": 1311.119232
              },
              {
                "average": 1.043051801,
                "count": 492732,
                "maximum": 4,
                "minimum": 1,
                "name": "ReturnNumber",
                "position": 4,
                "stddev": 0.2062373421,
                "variance": 0.04253384128
              },
              {
                "average": 1.045095508,
                "count": 492732,
                "maximum": 4,
                "minimum": 1,
                "name": "NumberOfReturns",
                "position": 5,
                "stddev": 0.2116199684,
                "variance": 0.04478301103
              },
              {
                "average": 1,
                "count": 492732,
                "maximum": 1,
                "minimum": 1,
                "name": "ScanDirectionFlag",
                "position": 6,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 492732,
                "maximum": 0,
                "minimum": 0,
                "name": "EdgeOfFlightLine",
                "position": 7,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 29,
                "count": 492732,
                "maximum": 29,
                "minimum": 29,
                "name": "Classification",
                "position": 8,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 19.71389093,
                "count": 492732,
                "maximum": 24,
                "minimum": 0,
                "name": "ScanAngleRank",
                "position": 9,
                "stddev": 2.422767906,
                "variance": 5.869804326
              },
              {
                "average": 134.13855,
                "count": 492732,
                "maximum": 252,
                "minimum": 1,
                "name": "UserData",
                "position": 10,
                "stddev": 86.64928269,
                "variance": 7508.09819
              },
              {
                "average": 5.747172905,
                "count": 492732,
                "maximum": 10,
                "minimum": 1,
                "name": "PointSourceId",
                "position": 11,
                "stddev": 3.893344128,
                "variance": 15.1581285
              },
              {
                "average": 63666413.53,
                "count": 492732,
                "maximum": 63679272.43,
                "minimum": 63655003,
                "name": "GpsTime",
                "position": 12,
                "stddev": 10107.57848,
                "variance": 102163142.6
              },
              {
                "average": 0,
                "count": 492732,
                "maximum": 0,
                "minimum": 0,
                "name": "ScanChannel",
                "position": 13,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 492732,
                "maximum": 0,
                "minimum": 0,
                "name": "Synthetic",
                "position": 14,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 492732,
                "maximum": 0,
                "minimum": 0,
                "name": "KeyPoint",
                "position": 15,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 492732,
                "maximum": 0,
                "minimum": 0,
                "name": "Withheld",
                "position": 16,
                "stddev": 0,
                "variance": 0
              },
              {
                "average": 0,
                "count": 492732,
                "maximum": 0,
                "minimum": 0,
                "name": "Overlap",
                "position": 17,
                "stddev": 0,
                "variance": 0
              }
            ],
            "pc:type": "lidar",
            "proj:bbox": [
              636000.0058,
              2361998.479,
              -19.08727462,
              637000.0258,
              2362998.499,
              -0.9472746199
            ],
            "proj:geometry": {
              "type": "Polygon",
              "coordinates": [
                [
                  [
                    636000.0057910474,
                    2361998.4792164466,
                    -19.087274619871053
                  ],
                  [
                    636000.0057910474,
                    2362998.499216446,
                    -19.087274619871053
                  ],
                  [
                    637000.0257910474,
                    2362998.499216446,
                    -0.947274619871052
                  ],
                  [
                    637000.0257910474,
                    2361998.4792164466,
                    -0.947274619871052
                  ],
                  [
                    636000.0057910474,
                    2361998.4792164466,
                    -19.087274619871053
                  ]
                ]
              ]
            },
            "proj:projjson": {
              "type": "CompoundCRS",
              "name": "NAD83(PA11) / UTM zone 4N + Hawaii GPS-derived Ortho height (m)",
              "components": [
                {
                  "type": "ProjectedCRS",
                  "name": "NAD83(PA11) / UTM zone 4N",
                  "base_crs": {
                    "type": "GeographicCRS",
                    "name": "NAD83(PA11)",
                    "datum": {
                      "type": "GeodeticReferenceFrame",
                      "name": "NAD83 (National Spatial Reference System PA11)",
                      "ellipsoid": {
                        "name": "GRS 1980",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257222101
                      }
                    },
                    "coordinate_system": {
                      "subtype": "ellipsoidal",
                      "axis": [
                        {
                          "name": "Geodetic latitude",
                          "abbreviation": "Lat",
                          "direction": "north",
                          "unit": "degree"
                        },
                        {
                          "name": "Geodetic longitude",
                          "abbreviation": "Lon",
                          "direction": "east",
                          "unit": "degree"
                        }
                      ]
                    },
                    "id": {
                      "authority": "EPSG",
                      "code": 6322
                    }
                  },
                  "conversion": {
                    "name": "UTM zone 4N",
                    "method": {
                      "name": "Transverse Mercator",
                      "id": {
                        "authority": "EPSG",
                        "code": 9807
                      }
                    },
                    "parameters": [
                      {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8801
                        }
                      },
                      {
                        "name": "Longitude of natural origin",
                        "value": -159,
                        "unit": "degree",
                        "id": {
                          "authority": "EPSG",
                          "code": 8802
                        }
                      },
                      {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                          "authority": "EPSG",
                          "code": 8805
                        }
                      },
                      {
                        "name": "False easting",
                        "value": 500000,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8806
                        }
                      },
                      {
                        "name": "False northing",
                        "value": 0,
                        "unit": "metre",
                        "id": {
                          "authority": "EPSG",
                          "code": 8807
                        }
                      }
                    ]
                  },
                  "coordinate_system": {
                    "subtype": "Cartesian",
                    "axis": [
                      {
                        "name": "Easting",
                        "abbreviation": "",
                        "direction": "east",
                        "unit": "metre"
                      },
                      {
                        "name": "Northing",
                        "abbreviation": "",
                        "direction": "north",
                        "unit": "metre"
                      }
                    ]
                  },
                  "id": {
                    "authority": "EPSG",
                    "code": 6634
                  }
                },
                {
                  "type": "VerticalCRS",
                  "name": "Hawaii GPS-derived Ortho height (m)",
                  "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "NAD83 Ellipsoid + Geoid"
                  },
                  "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                      {
                        "name": "Gravity-related height",
                        "abbreviation": "",
                        "direction": "up",
                        "unit": "metre"
                      }
                    ]
                  }
                }
              ]
            },
            "proj:wkt2": "PROJCS[\"NAD83(PA11) / UTM zone 4N\",GEOGCS[\"NAD83(PA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_PA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1117\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6322\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-159],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"6634\"]]",
            "start_time": "2013-09-20T02:27:52+00:00",
            "end_time": "2013-09-19T19:43:23+00:00",
            "license": "CC-BY-1.0"
          },
          "stac_extensions": [
            "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json",
            "https://stac-extensions.github.io/projection/v1.1.0/schema.json"
          ],
          "stac_version": "1.0.0"
        }
      }
    }
  ]
}